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    - UROLOGY, NEPHROLOGY AND ANDROLOGY (155 journals)

UROLOGY, NEPHROLOGY AND ANDROLOGY (155 journals)                     

Showing 1 - 155 of 155 Journals sorted alphabetically
Acta Urológica Portuguesa     Open Access   (Followers: 1)
Actas Urológicas Españolas     Full-text available via subscription   (Followers: 3)
Actas Urológicas Españolas (English Edition)     Full-text available via subscription   (Followers: 1)
Advances in Chronic Kidney Disease     Full-text available via subscription   (Followers: 11)
Advances in Urology     Open Access   (Followers: 13)
African Journal of Nephrology     Open Access  
African Journal of Urology     Open Access   (Followers: 7)
AJP Renal Physiology     Hybrid Journal   (Followers: 8)
Aktuelle Urologie     Hybrid Journal   (Followers: 11)
American Journal of Kidney Diseases     Hybrid Journal   (Followers: 42)
American Journal of Men's Health     Open Access   (Followers: 9)
American Journal of Nephrology     Full-text available via subscription   (Followers: 36)
Andrologia     Hybrid Journal   (Followers: 2)
Andrology     Hybrid Journal   (Followers: 4)
Andrology & Gynecology : Current Research     Hybrid Journal   (Followers: 4)
Andrology and Genital Surgery     Open Access   (Followers: 7)
Andrology-Open Access     Open Access  
Annales d'Urologie     Full-text available via subscription  
Arab Journal of Nephrology and Transplantation     Open Access   (Followers: 1)
Arab Journal of Urology     Open Access   (Followers: 7)
Archives of Clinical Nephrology     Open Access   (Followers: 2)
Archivio Italiano di Urologia e Andrologia     Open Access   (Followers: 1)
Archivos Españoles de Urología     Open Access  
Asian Journal of Andrology     Open Access   (Followers: 1)
Asian Journal of Urology     Open Access   (Followers: 3)
Bangladesh Journal of Urology     Open Access   (Followers: 5)
BANTAO Journal     Open Access  
Basic and Clinical Andrology     Open Access  
BJU International     Hybrid Journal   (Followers: 35)
BMC Nephrology     Open Access   (Followers: 9)
BMC Urology     Open Access   (Followers: 15)
Canadian Journal of Kidney Health and Disease     Open Access   (Followers: 6)
Canadian Urological Association Journal     Open Access   (Followers: 2)
Cancer Urology     Open Access   (Followers: 2)
Cardiorenal Medicine     Full-text available via subscription   (Followers: 1)
Case Reports in Nephrology     Open Access   (Followers: 5)
Case Reports in Nephrology and Dialysis     Open Access   (Followers: 9)
Case Reports in Urology     Open Access   (Followers: 12)
Clinical and Experimental Nephrology     Hybrid Journal   (Followers: 4)
Clinical Journal of the American Society of Nephrology     Full-text available via subscription   (Followers: 19)
Clinical Medicine Insights : Urology     Open Access   (Followers: 3)
Clinical Nephrology     Full-text available via subscription   (Followers: 8)
Clinical Nephrology and Urology Science     Open Access   (Followers: 6)
Clinical Queries: Nephrology     Hybrid Journal   (Followers: 1)
Cuadernos de Cirugía     Open Access   (Followers: 3)
Current Opinion in Nephrology & Hypertension     Hybrid Journal   (Followers: 10)
Current Opinion in Urology     Hybrid Journal   (Followers: 12)
Current Urology     Open Access   (Followers: 10)
Current Urology Reports     Hybrid Journal   (Followers: 5)
Der Nephrologe     Hybrid Journal  
Der Urologe     Hybrid Journal   (Followers: 7)
EMC - Urología     Full-text available via subscription  
Enfermería Nefrológica     Open Access   (Followers: 1)
European Urology     Full-text available via subscription   (Followers: 38)
European Urology Focus     Hybrid Journal   (Followers: 6)
European Urology Supplements     Full-text available via subscription   (Followers: 15)
Forum Nefrologiczne     Full-text available via subscription  
Geriatric Nephrology and Urology     Hybrid Journal   (Followers: 7)
Giornale di Clinica Nefrologica e Dialisi     Open Access  
Herald Urology     Open Access   (Followers: 2)
Hong Kong Journal of Nephrology     Open Access   (Followers: 3)
Human Andrology     Partially Free   (Followers: 2)
IJU Case Reports     Open Access  
Indian Journal of Nephrology     Open Access   (Followers: 2)
Indian Journal of Urology     Open Access   (Followers: 5)
International Brazilian Journal of Urology     Open Access   (Followers: 5)
International Journal of Nephrology     Open Access   (Followers: 2)
International Journal of Nephrology and Renovascular Disease     Open Access   (Followers: 2)
International Journal of Urology     Hybrid Journal   (Followers: 12)
International Urology and Nephrology     Hybrid Journal   (Followers: 7)
Jornal Brasileiro de Nefrologia     Open Access  
Journal für Urologie und Urogynäkologie/Österreich     Hybrid Journal  
Journal of Clinical Nephrology     Open Access   (Followers: 1)
Journal of Clinical Urology     Hybrid Journal   (Followers: 14)
Journal of Endoluminal Endourology     Open Access  
Journal of Endourology     Hybrid Journal   (Followers: 2)
Journal of Endourology Case Reports     Hybrid Journal  
Journal of Genital System & Disorders     Hybrid Journal   (Followers: 3)
Journal of Integrative Nephrology and Andrology     Open Access   (Followers: 2)
Journal of Kidney Cancer and VHL     Open Access  
Journal of Lower Genital Tract Disease     Hybrid Journal  
Journal of Nephrology     Hybrid Journal   (Followers: 4)
Journal of Nephrology Research     Open Access   (Followers: 3)
Journal of Pediatric Nephrology     Open Access   (Followers: 3)
Journal of Renal Care     Hybrid Journal   (Followers: 8)
Journal of Renal Nursing     Full-text available via subscription   (Followers: 12)
Journal of Renal Nutrition     Hybrid Journal   (Followers: 28)
Journal of Renal Nutrition and Metabolism     Open Access   (Followers: 1)
Journal of the American Society of Nephrology     Full-text available via subscription   (Followers: 27)
Journal of The Egyptian Society of Nephrology and Transplantation     Open Access  
Journal of Translational Neurosciences     Open Access  
Journal of Urology     Full-text available via subscription   (Followers: 53)
Journal of Urology & Nephrology     Open Access   (Followers: 2)
Kidney Disease and Transplantation     Open Access   (Followers: 4)
Kidney Diseases     Open Access   (Followers: 3)
Kidney International     Hybrid Journal   (Followers: 44)
Kidney International Reports     Open Access   (Followers: 3)
Kidney Medicine     Open Access  
Kidney Research Journal     Open Access   (Followers: 6)
Kidneys (Počki)     Open Access   (Followers: 1)
Nature Reviews Nephrology     Full-text available via subscription   (Followers: 19)
Nature Reviews Urology     Full-text available via subscription   (Followers: 13)
Nefrología (English Edition)     Open Access  
Nefrología (Madrid)     Open Access  
Nephro-Urology Monthly     Open Access   (Followers: 1)
Nephrology     Hybrid Journal   (Followers: 12)
Nephrology Dialysis Transplantation     Hybrid Journal   (Followers: 25)
Nephron     Hybrid Journal   (Followers: 4)
Nephron Clinical Practice     Full-text available via subscription   (Followers: 4)
Nephron Experimental Nephrology     Full-text available via subscription   (Followers: 4)
Nephron Extra     Open Access   (Followers: 1)
Nephron Physiology     Full-text available via subscription   (Followers: 4)
Neurourology and Urodynamics     Hybrid Journal   (Followers: 1)
OA Nephrology     Open Access   (Followers: 2)
Open Access Journal of Urology     Open Access   (Followers: 6)
Open Journal of Nephrology     Open Access   (Followers: 5)
Open Journal of Urology     Open Access   (Followers: 7)
Open Urology & Nephrology Journal     Open Access  
Pediatric Urology Case Reports     Open Access   (Followers: 7)
Portuguese Journal of Nephrology & Hypertension     Open Access   (Followers: 1)
Progrès en Urologie     Full-text available via subscription  
Progrès en Urologie - FMC     Full-text available via subscription  
Prostate Cancer and Prostatic Diseases     Hybrid Journal   (Followers: 6)
Renal Failure     Open Access   (Followers: 12)
Renal Replacement Therapy     Open Access   (Followers: 4)
Research and Reports in Urology     Open Access   (Followers: 4)
Revista de Nefrología, Diálisis y Trasplante     Open Access   (Followers: 1)
Revista Mexicana de Urología     Open Access   (Followers: 1)
Revista Urologia Colombiana     Open Access  
Saudi Journal of Kidney Diseases and Transplantation     Open Access   (Followers: 2)
Scandinavian Journal of Urology     Hybrid Journal   (Followers: 8)
Seminars in Nephrology     Hybrid Journal   (Followers: 11)
The Prostate     Hybrid Journal   (Followers: 8)
Therapeutic Advances in Urology     Open Access   (Followers: 4)
Trends in Urology & Men's Health     Partially Free   (Followers: 1)
Ukrainian Journal of Nephrology and Dialysis     Open Access   (Followers: 1)
Uro-News     Hybrid Journal   (Followers: 2)
Urolithiasis     Hybrid Journal   (Followers: 2)
Urologia Internationalis     Full-text available via subscription   (Followers: 2)
Urologia Journal     Hybrid Journal  
Urologic Clinics of North America     Full-text available via subscription   (Followers: 4)
Urologic Nursing     Full-text available via subscription   (Followers: 4)
Urologic Radiology     Hybrid Journal  
Urological Science     Open Access  
Urologicheskie Vedomosti     Open Access  
Urologie in der Praxis     Hybrid Journal  
Urologie Scan     Hybrid Journal  
Urology     Hybrid Journal   (Followers: 34)
Urology Annals     Open Access   (Followers: 4)
Urology Case Reports     Open Access   (Followers: 3)
Urology Practice     Full-text available via subscription   (Followers: 2)
Urology Times     Free   (Followers: 3)
Urology Video Journal     Open Access   (Followers: 1)
World Journal of Nephrology and Urology     Open Access   (Followers: 15)
World Journal of Urology     Hybrid Journal   (Followers: 12)

           

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Journal Cover
Asian Journal of Andrology
Journal Prestige (SJR): 0.856
Citation Impact (citeScore): 2
Number of Followers: 1  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1008-682X - ISSN (Online) 1745-7262
Published by Medknow Publishers Homepage  [427 journals]
  • Enzalutamide: a new indication for nonmetastatic castration-resistant
           prostate cancer

    • Authors: Logan P Rhea, Brinda Gupta, Jeanny B Aragon-Ching
      Pages: 107 - 108
      Abstract: Logan P Rhea, Brinda Gupta, Jeanny B Aragon-Ching
      Asian Journal of Andrology 2019 21(2):107-108

      Citation: Asian Journal of Andrology 2019 21(2):107-108
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_88_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Regulation of anti-Müllerian hormone (AMH) in males and the
           associations of serum AMH with the disorders of male fertility

    • Authors: Hui-Yu Xu, Hong-Xian Zhang, Zhen Xiao, Jie Qiao, Rong Li
      Pages: 109 - 114
      Abstract: Hui-Yu Xu, Hong-Xian Zhang, Zhen Xiao, Jie Qiao, Rong Li
      Asian Journal of Andrology 2019 21(2):109-114
      Anti-Müllerian hormone (AMH) is a functional marker of fetal Sertoli cells. The germ cell number in adults depends on the number of Sertoli cells produced during perinatal development. Recently, AMH has received increasing attention in research of disorders related to male fertility. This paper reviews and summarizes the articles on the regulation of AMH in males and the serum levels of AMH in male fertility-related disorders. We have determined that follicle-stimulating hormone (FSH) promotes AMH transcription in the absence of androgen signaling. Testosterone inhibits the transcriptional activation of AMH. The undetectable levels of serum AMH and testosterone levels indicate a lack of functional testicular tissue, for example, that in patients with anorchia or severe Klinefelter syndrome suffering from impaired spermatogenesis. The normal serum testosterone level and undetectable AMH are highly suggestive of persistent Müllerian duct syndrome (PMDS), combined with clinical manifestations. The levels of both AMH and testosterone are always subnormal in patients with mixed disorders of sex development (DSD). Mixed DSD is an early-onset complete type of disorder with fetal hypogonadism resulting from the dysfunction of both Leydig and Sertoli cells. Serum AMH levels are varying in patients with male fertility-related disorders, including pubertal delay, severe congenital hypogonadotropic hypogonadism, nonobstructive azoospermia, Klinefelter syndrome, varicocele, McCune-Albright syndrome, and male senescence.
      Citation: Asian Journal of Andrology 2019 21(2):109-114
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_83_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • The current status of hormone treatment for prostate cancer patients in
           Korean real-world practice: a multi-institutional observational study

    • Authors: Jung Kwon Kim, Jung Jun Kim, Taek Won Gang, Tae Kyun Kwon, Hong Sup Kim, Seung Chul Park, Jae-Shin Park, Jong-Yeon Park, Seok Joong Yoon, Youn-Soo Jeon, Jin Seon Cho, Kwan Joong Joo, Sung-Hoo Hong, Seok-Soo Byun, the Korean Urological Oncology Society
      Pages: 115 - 120
      Abstract: Jung Kwon Kim, Jung Jun Kim, Taek Won Gang, Tae Kyun Kwon, Hong Sup Kim, Seung Chul Park, Jae-Shin Park, Jong-Yeon Park, Seok Joong Yoon, Youn-Soo Jeon, Jin Seon Cho, Kwan Joong Joo, Sung-Hoo Hong, Seok-Soo Byun, the Korean Urological Oncology Society
      Asian Journal of Andrology 2019 21(2):115-120
      We aimed to evaluate the current nationwide trend, efficacy, safety, and quality of life (QoL) profiles of hormone treatment in real-world practice settings for prostate cancer (PCa) patients in Korea. A total of 292 men with any biopsy-proven PCa (TanyNanyMany) from 12 institutions in Korea were included in this multi-institutional, observational study of prospectively collected data. All luteinizing hormone-releasing hormone (LHRH) agonists were allowed to be investigational drugs. Efficacy was defined as (1) the rate of castration (serum testosterone ≤50 ng dl−1) at 4-week visit and (2) breakthrough (serum testosterone >50 ng dl−1 after castration). Safety assessments included routine examinations for potential adverse events, laboratory tests, blood pressure, body weight, and bone mineral density (BMD, at baseline and at the last follow-up visit). QoL was assessed using the Expanded Prostate Cancer Index Composite-26 (EPIC-26). The most common initial therapeutic regimen was LHRH agonist with anti-androgen (78.0%), and the most commonly used LHRH agonist for combination and monotherapy was leuprolide (64.0% for combination and 58.0% for monotherapy). The castration and breakthrough rates were 78.4% and 6.6%, respectively. The laboratory results related to dyslipidemia worsened after 4 weeks of hormone treatment. In addition, the mean BMD T-score was significantly lower at the last follow-up (mean: −1.950) compared to baseline (mean: −0.195). The mean total EPIC-26 score decreased from 84.8 (standard deviation [s.d.]: 12.2) to 78.3 (s.d.: 8.1), with significant deterioration only in the urinary domain (mean: 23.5 at baseline and 21.9 at the 4-week visit). These findings demonstrate the nationwide trend of current practice settings in hormone treatment for PCa in Korea.
      Citation: Asian Journal of Andrology 2019 21(2):115-120
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_95_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Proteomic analysis reveals dysregulated cell signaling in ejaculated
           spermatozoa from infertile men

    • Authors: Luna Samanta, Rakesh Sharma, Zhihong Cui, Ashok Agarwal
      Pages: 121 - 130
      Abstract: Luna Samanta, Rakesh Sharma, Zhihong Cui, Ashok Agarwal
      Asian Journal of Andrology 2019 21(2):121-130
      Dysfunctional sperm maturation is the primary reason for the poor sperm motility and morphology in infertile men. Spermatozoa from infertile men were fractioned on three-layer density gradient (80%, 60%, and 40%). Fraction 1 (F1) refers to the least mature stage having the lowest density, whereas the fraction 4 (F4) includes the most dense and morphologically mature motile spermatozoa. Fraction 2 (F2) and fraction 3 (F3) represent the intermediate stages. Proteins were extracted and separated by 1-dimensional gel. Bands were digested with trypsin and analyzed on a LTQ-Orbitrap Elite hybrid mass spectrometer system. Functional annotations of proteins were obtained using bioinformatics tools and pathway databases. A total of 1585 proteins were detected in the four fractions of spermatozoa. A dysregulated protein turnover and protein folding may lead to accumulation of defective proteins or proteins that otherwise would have been eliminated during the process of maturation, resulting in the impairment of sperm function. Aberrant chaperone expression may be a major contributing factor to the defective sperm function. Androgen receptor was predicted as a transcription regulator in one of the networks and the affected pathways were chaperone-mediated stress response, proteosomal pathway, and sperm function. The downregulation of key pathways and proteins which compromises the fertilizing potential of spermatozoa may provide insight into the mechanisms that lead to male infertility.
      Citation: Asian Journal of Andrology 2019 21(2):121-130
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_56_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Clinical activity of abiraterone plus prednisone in docetaxel-naοve
           and docetaxel-resistant Chinese patients with metastatic
           castration-resistant prostate cancer

    • Authors: Guo-Wen Lin, Gao-Xiang Li, Bo Dai, Ding-Wei Ye, Yun-Yi Kong, Yue Wang, Yi-Jun Shen
      Pages: 131 - 136
      Abstract: Guo-Wen Lin, Gao-Xiang Li, Bo Dai, Ding-Wei Ye, Yun-Yi Kong, Yue Wang, Yi-Jun Shen
      Asian Journal of Andrology 2019 21(2):131-136
      This study investigated the clinical activity of abiraterone plus prednisone in docetaxel-naïve and docetaxel-resistant Chinese patients with metastatic castration-resistant prostate cancer (mCRPC). A total of 146 patients with docetaxel-naïve group (103 cases) and docetaxel-resistant group (43 cases) were enrolled from the Shanghai Cancer Center (Shanghai, China) in this retrospective cohort study. The efficacy endpoints were prostate-specific antigen response rate, prostate-specific antigen progression-free survival, clinical/radiographic progression-free survival, and overall survival in response to abiraterone plus prednisone. Significantly higher prostate-specific antigen response rate was found in docetaxel-naïve group (54.4%, 56/103) compared to docetaxel-resistant group (34.9%, 15/43) (P = 0.047). In addition, significantly higher median prostate-specific antigen progression-free survival (14.0 vs 7.7 months, P = 0.005), clinical or radiographic progression-free survival (17.0 vs 12.5 months, P = 0.003), and overall survival (27.0 vs 18.0 months, P = 0.016) were found in docetaxel-naïve group compared to docetaxel-resistant group, respectively. The univariate and multivariate analyses indicated that lower albumin and visceral metastases were independent significant predictors for shorter overall survival. To sum up, our data suggested that abiraterone plus prednisone was efficient in both docetaxel-naïve and docetaxel-resistant Chinese patients. Moreover, higher PSA response rate and longer overall survival were observed in the docetaxel-naïve group, which suggested that abiraterone was more effective for docetaxel- naïve patients than for docetaxel failures.
      Citation: Asian Journal of Andrology 2019 21(2):131-136
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_85_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Predictive significance of serum inhibin B on testicular haploid gamete
           retrieval outcomes in nonobstructive azoospermic men

    • Authors: Zhi-Guo Zhu, Zhi-Gang Zhao, Qing-Yang Pang, Tong Chen, Jian-Min Zhang, Tai-Jian Zhang, Chao Xu, Hao-Bo Zhang, Wen Liu, Xu-Jun Xuan
      Pages: 137 - 142
      Abstract: Zhi-Guo Zhu, Zhi-Gang Zhao, Qing-Yang Pang, Tong Chen, Jian-Min Zhang, Tai-Jian Zhang, Chao Xu, Hao-Bo Zhang, Wen Liu, Xu-Jun Xuan
      Asian Journal of Andrology 2019 21(2):137-142
      The purpose of this study was to determine the diagnostic accuracy of serum inhibin B (INHB) as a predictor of the retrieval outcome of testicular haploid gametes (spermatids and testicular spermatozoa) in nonobstructive azoospermic men. Serum hormone levels, testicular volume, and histological evaluation were performed in 403 Chinese nonobstructive azoospermic men. Testicular haploid gamete was successfully retrieved in 213 of 403 patients (52.85%). The haploid gamete group always had higher INHB levels than the non-haploid gamete group. According to the receiver operating characteristic (ROC) curve analysis, INHB was a good predictor of testicular haploid gamete retrieval outcome in all patients (sensitivity: 77.93% and specificity: 91.58%) and patients with normal follicle-stimulating hormone (FSH; sensitivity: 88.52% and specificity: 70.83%). The area under the ROC curve (AUC) of INHB was similar to that of FSH in all patients or patients with normal FSH. In patients with elevated FSH, INHB was superior to FSH in predicting the presence of haploid gamete (AUC: 0.73 vs 0.55, P < 0.05), with a sensitivity of 60.00% and a specificity of 80.28%. It concluded that serum INHB as an effective marker for spermatogenesis was a significant predictor of testicular haploid gamete retrieval outcomes in nonobstructive azoospermic men. Especially, INHB is superior to FSH in predicting the presence of haploid gamete in the patients with elevated FSH.
      Citation: Asian Journal of Andrology 2019 21(2):137-142
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_94_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Novel noninvasive quantification of penile corpus cavernosum lesions in
           hyperlipidemia-induced erectile dysfunction in rabbits by two-dimensional
           shear-wave elastography

    • Authors: Jian-Lin Hu, Hui-Xing Chen, Hui-Rong Chen, Yu Wu, Xiao-Wen Sun, Zheng Li, Jin-Fang Xing
      Pages: 143 - 149
      Abstract: Jian-Lin Hu, Hui-Xing Chen, Hui-Rong Chen, Yu Wu, Xiao-Wen Sun, Zheng Li, Jin-Fang Xing
      Asian Journal of Andrology 2019 21(2):143-149
      Structural alterations in fibroelastic components of the penile corpus cavernousum (CC) may impair its compliance, resulting in venous leakage and erectile dysfunction (ED). Our study evaluated the effectiveness of noninvasive two-dimensional shear-wave elastography (2-D SWE) in quantifying penile CC lesions in rabbits with hyperlipidemia-induced ED. A total of 12 New Zealand white rabbits were randomly divided into two groups. Six were fed a high-cholesterol diet containing 2% cholesterol and 8.5% lard for 10 weeks and the other six were fed normal diet as controls. We measured the shear-wave elastic quantitative (SWQ) value of penile CC by 2-D SWE. Erectile function was investigated by intracavernous injection of papaverine, and immunohistochemical (IHC) staining and the western blot analysis to determine the penile CC lesions. After 10 weeks, the SWQ values obtained from penile CC were remarkably higher in the high-cholesterol-fed compared with the control group, and the ΔICP (ICP plateau minus ICP baseline)/MAP (ICP: intracavernous pressure, MAP: mean arterial pressure) was markedly decreased. The IHC staining and western blot revealed extracellular matrix (ECM) accumulation in penile cavernous tissues, and the smooth muscle cell (SMC) phenotypic transition was affected, as indicated by reduced alpha-smooth muscle actin and calponin-1 expression and increased phospho-myosin light chain20 (p-MLC20)/MLC20 and osteopontin expression. Hyperlipidemia resulted in ECM accumulation accompanied with SMC phenotypic transition in penile CC and impaired the erectile function eventually. These might, in turn, lead to variations in the SWQ values. It suggests that 2-D SWE may be a novel, noninvasive and effective approach that distinguishes penile CC lesions secondary to hyperlipidemia from normal.
      Citation: Asian Journal of Andrology 2019 21(2):143-149
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_78_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Outcomes of men aged ≤50 years treated with radical prostatectomy: a
           retrospective analysis

    • Authors: Byeongdo Song, Hakmin Lee, Min Seung Lee, Sung Kyu Hong
      Pages: 150 - 155
      Abstract: Byeongdo Song, Hakmin Lee, Min Seung Lee, Sung Kyu Hong
      Asian Journal of Andrology 2019 21(2):150-155
      Previous studies investigating prostate cancer (PCa) features in younger men have reported conflicting findings. This study aimed to investigate pathologic outcomes and biochemical recurrence (BCR) status in younger men who underwent radical prostatectomy (RP) for PCa. Records of 2057 patients who underwent RP at Seoul National University Bundang Hospital (Seongnam, Korea) between 2006 and 2015 were reviewed; patients were divided according to age into the younger and older groups (men aged ≤50 and >50 years, respectively). Postoperative BCR status and functional outcomes and clinicopathologic features were compared between both groups. All analyses were repeated after propensity score matching. Younger men were more likely to have low-risk disease (P < 0.001), lower pathologic Gleason score (P < 0.001) and pathologic stages (P < 0.001) than older men. The pathologic Gleason score (P = 0.002) and rates of extracapsular extension (P = 0.004) were lower in younger men after propensity score matching. In multivariate analysis, age at RP was not an independent predictor of BCR-free survival after RP (P = 0.669). Moreover, at 1 year after RP, younger men with preoperative 5-item International Index of Erectile Function score ≥22 (n = 228) showed more favorable results for urinary continence (defined as nonuse of pads daily) (99.4% vs 95%, P = 0.009) and erections sufficient for vaginal intercourse (81.8% vs 55.5%, P = 0.001). Younger men had more favorable clinicopathologic features at RP than their older counterparts. Although age was not an independent predictor of BCR status outcome, younger men had better functional outcomes following RP.
      Citation: Asian Journal of Andrology 2019 21(2):150-155
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_92_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Psychological burden prediction based on demographic variables among
           infertile men with sexual dysfunction

    • Authors: Hai-Ming Cao, Zi Wan, Yong Gao, Jun-Long Zhang, Yan Zhang, Hai-Peng Xiao, Xiang-An Tu, Xiang-Zhou Sun, Chun-Hua Deng
      Pages: 156 - 162
      Abstract: Hai-Ming Cao, Zi Wan, Yong Gao, Jun-Long Zhang, Yan Zhang, Hai-Peng Xiao, Xiang-An Tu, Xiang-Zhou Sun, Chun-Hua Deng
      Asian Journal of Andrology 2019 21(2):156-162
      There has been increasing interest in the psycho-socio-relational and sexual disorders of infertility, as the risk of psychological burden among infertile men with sexual dysfunctions is significant. The purpose of this study was to develop and to validate a predictive model to estimate individual psychological burden among infertile men with sexual dysfunction and study the association between them. Comprehensive data were collected for infertile men (n = 480) who sought treatment for infertility in a reproductive medicine center between June 2012 and December 2013. Using independent predictors of psychological burden from the least absolute shrinkage and selection operator, univariable and multivariable analyses were developed into two models. Predictive accuracy was compared between the models. We explored the association between sexual dysfunction and psychological burden. A total of 480 patients were analyzed using 10-fold cross-validation. Independent predictors of psychological burden were incorporated into a model to measure anxiety (corrected-area under curve (AUC): 77.3%) and a model to measure depression (corrected-AUC: 70.2%). Anxiety and depression were both associated with erectile dysfunction (P < 0.05), with anxiety demonstrating the strongest association. Only anxiety was associated with premature ejaculation (P < 0.05). Premature ejaculation was not found to be associated with depression (P > 0.05). Predictive models for psychological burden among infertile men with sexual dysfunction are presented, and we found that there is an association between psychological burden and sexual dysfunction. According to the models, proper counseling and treatment of sexual dysfunction in infertile men may reduce the psychological burden, help attain natural pregnancy, and improve the quality of life.
      Citation: Asian Journal of Andrology 2019 21(2):156-162
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_86_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • The preoperative serum cystatin-C as an independent prognostic factor for
           survival in upper tract urothelial carcinoma

    • Authors: Ping Tan, Ming Shi, Jie Chen, Hang Xu, Nan Xie, Huan Xu, Yong Jiang, Jian-Zhong Ai, Liang-Ren Liu, Lu Yang, Qiang Wei
      Pages: 163 - 169
      Abstract: Ping Tan, Ming Shi, Jie Chen, Hang Xu, Nan Xie, Huan Xu, Yong Jiang, Jian-Zhong Ai, Liang-Ren Liu, Lu Yang, Qiang Wei
      Asian Journal of Andrology 2019 21(2):163-169
      Cystatin-C (Cys-C) has been reported as a valuable prognostic biomarker in various malignancies. However, its effect on upper tract urothelial carcinoma (UTUC) patients has not been investigated before. Thus, to explore the impact of Cys-C on survival outcomes in patients undergoing radical nephroureterectomy (RNU), a total of 538 patients with UTUC who underwent RNU between 2005 and 2014 in our center (West China Hospital, Chengdu, China) were included in this study. Kaplan–Meier method and Cox regression analyses were performed to assess the relationship between Cys-C and survival outcomes using SPSS version 22.0. The cutoff value of Cys-C was set as 1.4 mg l−1 using the receiver operating characteristic (ROC) curves and Youden index. The mean age of patients included was 66.1 ± 11.1 years, and the median follow-up duration was 38 (interquartile range: 19–56) months. Overall, 162 (30.1%) patients had elevated Cys-C, and they were much older and had worse renal function than those with Cys-C <1.4 mg l−1 (both P < 0.001). Meanwhile, Kaplan–Meier analysis revealed that the group with elevated Cys-C had worse cancer-specific survival (CSS, P = 0.001), disease recurrence-free survival (RFS, P = 0.003), and overall survival (OS, P < 0.001). Multivariable Cox analysis suggested that the elevated Cys-C was identified as an independent prognostic predictor of CSS (hazard ratio [HR]: 1.997, 95% confidential interval [CI]: 1.331–2.996), RFS (HR: 1.429, 95% CI: 1.009–2.023), and OS (HR: 1.989, 95% CI: 1.366–2.896). In conclusion, our result revealed that the elevated preoperative serum Cys-C was significantly associated with worse outcomes in UTUC patients undergoing RNU.
      Citation: Asian Journal of Andrology 2019 21(2):163-169
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_84_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • The therapeutic effect of pelvic floor muscle exercise on urinary
           incontinence after radical prostatectomy: a meta-analysis

    • Authors: Mei-Li-Yang Wu, Cheng-Shuang Wang, Qi Xiao, Chao-Hua Peng, Tie-Ying Zeng
      Pages: 170 - 176
      Abstract: Mei-Li-Yang Wu, Cheng-Shuang Wang, Qi Xiao, Chao-Hua Peng, Tie-Ying Zeng
      Asian Journal of Andrology 2019 21(2):170-176
      Pelvic floor muscle exercise (PFME) is the most common conservative management for urinary incontinence (UI) after radical prostatectomy (RP). However, whether the PFME guided by a therapist (G-PFME) can contribute to the recovery of urinary continence for patients after RP is still controversial. We performed this meta-analysis to investigate the effectiveness of G-PFME on UI after RP and to explore whether the additional preoperative G-PFME is superior to postoperative G-PFME alone. Literature search was conducted on Cochrane Library, Embase, Web of Science, and PubMed, to obtain all relevant randomized controlled trials published before March 1, 2018. Outcome data were pooled and analyzed with Review Manager 5.3 to compare the continence rates of G-PFME with control and to compare additional preoperative G-PFME with postoperative G-PFME. Twenty-two articles with 2647 patients were included. The continence rates of G-PFME were all superior to control at different follow-up time points, with the odds ratio (OR) (95% confidence interval [CI]) of 2.79 (1.53–5.07), 2.80 (1.87–4.19), 2.93 (1.19–7.22), 4.11 (2.24–7.55), and 2.41 (1.33–4.36) at 1 month, 3 months, 4 months, 6 months, and 12 months after surgery, respectively. However, there was no difference between additional preoperative G-PFME and postoperative G-PFME, with the OR (95% CI) of 1.70 (0.56–5.11) and 1.35 (0.41–4.40) at 1 month and 3 months after RP, respectively. G-PFME could improve the recovery of urinary continence at both early and long-term stages. Starting the PFME preoperatively might not produce extra benefits for patients at early stage, compared with postoperative PFME.
      Citation: Asian Journal of Andrology 2019 21(2):170-176
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_89_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • The applied research of simultaneous image acquisition of T2-weighted
           imaging (T2WI) and diffusion-weighted imaging (DWI) in the assessment of
           patients with prostate cancer

    • Authors: Yi Liu, Wei Wang, Xiu-Bo Qin, Hui-Hui Wang, Ge Gao, Xiao-Dong Zhang, Xiao-Ying Wang
      Pages: 177 - 182
      Abstract: Yi Liu, Wei Wang, Xiu-Bo Qin, Hui-Hui Wang, Ge Gao, Xiao-Dong Zhang, Xiao-Ying Wang
      Asian Journal of Andrology 2019 21(2):177-182
      We aimed to evaluate the feasibility of simultaneous image acquisition of multiple instantaneous switchable scan (MISS) for prostate magnetic resonance imaging (MRI) on 3T. Fifty-three patients were scanned with MRI due to suspected prostate cancer. Twenty-eight of them got histological results. First, two readers assessed the structure delineation and image quality based on images of conventional T2-weighted imaging (T2WI) and diffusion-weighted imaging (DWI) (CTD). Second, two readers identified the index lesion together, and then, reader one evaluated the contrast of index lesion on T2WI and signal ratio on apparent diffusion coefficient map. Third, they assigned Prostate Imaging Reporting and Data System (PI-RADS) score in consensus for the index lesion. After 4 weeks, the images of MISS were reviewed by the same readers following the same process. Finally, two readers gave preference for image interpretation, respectively. Kappa coefficient, Wilcoxon signed-rank test, paired-sample t-test, Bland–Altman analysis, and receiver operating characteristic (ROC) analysis were used for statistical analysis. The acquisition time of CTD was 6 min and 10 s, while the acquisition time of MISS was 4 min and 30 s. Interobserver agreements for image evaluation were κ = 0.65 and κ = 0.80 for CTD and MISS, respectively. MISS-T2WI showed better delineation for seminal vesicles than CTD-T2WI (reader 1: P < 0.001, reader 2: P = 0.001). The index lesion demonstrated higher contrast in MISS-T2WI (P < 0.001). The PI-RADS scores based on CTD and MISS exhibited high ability in predicting clinically significant cancer (area under curve [AUC] = 0.828 vs 0.854). Readers preferred to use MISS in 41.5%–47.2% of cases. MISS showed comparable performance to conventional technique with less acquisition time.
      Citation: Asian Journal of Andrology 2019 21(2):177-182
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_82_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Novel DPY19L2 variants in globozoospermic patients and the overcoming this
           male infertility

    • Authors: Yong-Liang Shang, Fu-Xi Zhu, Jie Yan, Liang Chen, Wen-Hao Tang, Sai Xiao, Wei-Ke Mo, Zhi-Guo Zhang, Xiao-Jin He, Jie Qiao, Yun-Xia Cao, Wei Li
      Pages: 183 - 189
      Abstract: Yong-Liang Shang, Fu-Xi Zhu, Jie Yan, Liang Chen, Wen-Hao Tang, Sai Xiao, Wei-Ke Mo, Zhi-Guo Zhang, Xiao-Jin He, Jie Qiao, Yun-Xia Cao, Wei Li
      Asian Journal of Andrology 2019 21(2):183-189
      Globozoospermia has been reported to be a rare but severe causation of male infertility, which results from the failure of acrosome biogenesis and sperm head shaping. Variants of dpy-19-like 2 (DPY19L2) are highly related to globozoospermia, but related investigations have been mainly performed in patients from Western countries. Here, we performed a screening of DPY19L2 variants in a cohort of Chinese globozoospermic patients and found that five of nine patients carried DPY19L2 deletions and the other four patients contained novel DPY19L2 point mutations, as revealed by whole-exome sequencing. Patient 3 (P3) contained a heterozygous variant (c.2126+5G>A), P6 contained a homozygous nonsense mutation (c.1720C>T, p.Arg574*), P8 contained compound heterozygous variants (c.1182-1184delATC, p.Leu394_Ser395delinsPhe; c.368A>T, p.His123Arg), and P9 contained a heterozygous variant (c.1182-1184delATCTT, frameshift). We also reported intracytoplasmic sperm injection (ICSI) outcomes in the related patients, finding that ICSI followed by assisted oocyte activation (AOA) with calcium ionophore achieved high rates of live births. In summary, the infertility of these patients results from DPY19L2 dysfunction and can be treated by ICSI together with AOA.
      Citation: Asian Journal of Andrology 2019 21(2):183-189
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_79_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Direct modification of spermatogonial stem cells using lentivirus vectors
           in vivo leads to efficient generation of transgenic rats

    • Authors: Bang-Jin Kim, Yong-Hee Kim, Myeong-Geun Oh, Ki-Jung Kim, Sang-Eun Jung, Ju-Hee Jin, Sun-Uk Kim, Kwan-Sik Min, Buom-Yong Ryu
      Pages: 190 - 195
      Abstract: Bang-Jin Kim, Yong-Hee Kim, Myeong-Geun Oh, Ki-Jung Kim, Sang-Eun Jung, Ju-Hee Jin, Sun-Uk Kim, Kwan-Sik Min, Buom-Yong Ryu
      Asian Journal of Andrology 2019 21(2):190-195
      Spermatogonial stem cells (SSCs) transmit genetic information to the next progeny in males. Thus, SSCs are a potential target for germline modifications to generate transgenic animals. In this study, we report a technique for the generation of transgenic rats by in vivo manipulation of SSCs with a high success rate. SSCs in juvenile rats were transduced in vivo with high titers of lentivirus harboring enhanced green fluorescent protein and mated with wild-type females to create founder rats. These founder rats expressed the transgene and passed on the transgene with an overall success rate of 50.0%. Subsequent generations of progeny from the founder rats both expressed and passed on the transgene. Thus, direct modification of SSCs in juvenile rats is an effective means of generating transgenic rats through the male germline. This technology could be adapted to larger animals, in which existing methods for gene modification are inadequate or inapplicable, resulting in the generation of transgenic animals in a variety of species.
      Citation: Asian Journal of Andrology 2019 21(2):190-195
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_80_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • The role of tumor size, ultrasonographic findings, and serum tumor markers
           in predicting the likelihood of malignant testicular histology

    • Authors: Gang Song, Geng-Yan Xiong, Yu Fan, Cong Huang, Yong-Ming Kang, Guang-Jie Ji, Jin-Chao Chen, Zhong-Cheng Xin, Li-Qun Zhou
      Pages: 196 - 200
      Abstract: Gang Song, Geng-Yan Xiong, Yu Fan, Cong Huang, Yong-Ming Kang, Guang-Jie Ji, Jin-Chao Chen, Zhong-Cheng Xin, Li-Qun Zhou
      Asian Journal of Andrology 2019 21(2):196-200
      The clinical predictive factors for malignant testicular histology remain unclear because of the low prevalence. Therefore, the aim of this study was to investigate predictors of malignant histology for testicular masses and decide more testis-sparing surgeries before surgery. This retrospective study enrolled 325 consecutive testicular mass patients who underwent radical orchiectomy (310/325) or testicular preserving surgery (15/325) from January 2001 to June 2016. The clinicopathological factors, including tumor diameter, cryptorchidism history, ultrasound findings, serum alpha-fetoprotein, and human chorionic gonadotropin (HCG) levels, were collected retrospectively for statistical analysis. A predictive nomogram was also generated to evaluate the quantitative probability. Among all patients, 247 (76.0%) were diagnosed with a malignant testicular tumor and 78 (24.0%) with benign histology. Larger tumor diameter (per cm increased, hazard ratio [HR] = 1.284, P = 0.036), lower ultrasound echo (HR = 3.191, P = 0.001), higher ultrasound blood flow (HR = 3.320, P < 0.001), and abnormal blood HCG (HR = 10.550, P < 0.001) were significant predictive factors for malignant disease in all testicular mass patients. The nomogram generated was well calibrated for all predictions of malignant probability, and the accuracy of the model nomogram measured by Harrell's C statistic (C-index) was 0.92. According to our data, the proportion of patients who underwent radical orchiectomy for benign tumors (24.0%) was much larger than generally believed (10.0%). Our results indicated that the diameter, ultrasonic echo, ultrasonic blood flow, and serum HCG levels could predict the malignancy in testicular mass patients.
      Citation: Asian Journal of Andrology 2019 21(2):196-200
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_119_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Resveratrol attenuates metabolic, sperm, and testicular changes in adult
           Wistar rats fed a diet rich in lipids and simple carbohydrates

    • Authors: Fabiana A de Oliveira, Waldemar S Costa, Francisco J B Sampaio, Bianca M Gregorio
      Pages: 201 - 207
      Abstract: Fabiana A de Oliveira, Waldemar S Costa, Francisco J B Sampaio, Bianca M Gregorio
      Asian Journal of Andrology 2019 21(2):201-207
      High-fat diets affect male reproduction and sexual function. Therefore, we evaluated the effects of prolonged resveratrol administration on the metabolic, sperm, and testicular parameters of rats fed a cafeteria diet. Male Wistar rats were divided at weaning into control (C, n = 20) and cafeteria (CAF, n = 16) groups. At 3 months, half of them were given daily supplementations of resveratrol (C-R, n = 10; CAF-R, n = 8) at a dosage of 30 mg kg−1 body mass for 2 months. Animals were killed at 5 months of age, and blood, spermatozoa, and testes were collected for further analysis. Data were analyzed by one-way ANOVA, and P < 0.05 was considered statistically significant. The CAF diet promoted hyperglycemia (P < 0.0001), and treatment with resveratrol reversed this condition (P < 0.0001). The CAF diet reduced sperm viability and motility, while resveratrol improved these parameters (P < 0.05). Regarding testicular morphology, the height of the seminiferous epithelium was reduced in the CAF group compared with that of the C group (P = 0.0007). Spermatogenic cell proliferation was also reduced in the CAF group compared with that of the C group. However, the CAF-R showed an increase in cell proliferation rate compared with that of the untreated CAF group (P = 0.0024). Although it did not modify body mass, the consumption of a CAF diet promoted hyperglycemia, adverse testicular morphology remodeling, and abnormal sperm, which were attenuated by treatment with resveratrol, thus suggesting a protective effect of this antioxidant on spermatogenesis.
      Citation: Asian Journal of Andrology 2019 21(2):201-207
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_67_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Protein supplementation intake for bodybuilding and resistance training
           may impact sperm quality of subfertile men undergoing fertility treatment:
           a pilot study

    • Authors: Shathmigha Ketheeswaran, Thor Haahr, Betina Povlsen, Rita Laursen, Birgit Alsbjerg, Helle Elbaek, Sandro C Esteves, Peter Humaidan
      Pages: 208 - 211
      Abstract: Shathmigha Ketheeswaran, Thor Haahr, Betina Povlsen, Rita Laursen, Birgit Alsbjerg, Helle Elbaek, Sandro C Esteves, Peter Humaidan
      Asian Journal of Andrology 2019 21(2):208-211

      Citation: Asian Journal of Andrology 2019 21(2):208-211
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_49_18
      Issue No: Vol. 21, No. 2 (2019)
       
  • Separate Chinese lines for prostate cancer?

    • Authors: Finn Edler von Eyben
      Pages: 212 - 212
      Abstract: Finn Edler von Eyben
      Asian Journal of Andrology 2019 21(2):212-212

      Citation: Asian Journal of Andrology 2019 21(2):212-212
      PubDate: Wed,20 Feb 2019
      DOI: 10.4103/aja.aja_71_18
      Issue No: Vol. 21, No. 2 (2019)
       
 
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