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Publisher: Medknow Publishers   (Total: 355 journals)

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Showing 1 - 200 of 355 Journals sorted alphabetically
Advanced Arab Academy of Audio-Vestibulogy J.     Open Access  
Advances in Human Biology     Open Access   (Followers: 1)
African J. for Infertility and Assisted Conception     Open Access  
African J. of Business Ethics     Open Access   (Followers: 6)
African J. of Medical and Health Sciences     Open Access   (Followers: 1)
African J. of Paediatric Surgery     Open Access   (Followers: 7, SJR: 0.269, h-index: 10)
African J. of Trauma     Open Access  
Ain-Shams J. of Anaesthesiology     Open Access   (Followers: 3)
Al-Azhar Assiut Medical J.     Open Access  
Al-Basar Intl. J. of Ophthalmology     Open Access   (Followers: 1)
Ancient Science of Life     Open Access   (Followers: 6)
Anesthesia : Essays and Researches     Open Access   (Followers: 7)
Annals of African Medicine     Open Access   (Followers: 1, SJR: 0.331, h-index: 15)
Annals of Bioanthropology     Open Access   (Followers: 3)
Annals of Cardiac Anaesthesia     Open Access   (Followers: 13, SJR: 0.408, h-index: 15)
Annals of Indian Academy of Neurology     Open Access   (Followers: 3, SJR: 0.308, h-index: 14)
Annals of Maxillofacial Surgery     Open Access   (Followers: 6)
Annals of Medical and Health Sciences Research     Open Access   (Followers: 7)
Annals of Nigerian Medicine     Open Access   (Followers: 1)
Annals of Pediatric Cardiology     Open Access   (Followers: 7, SJR: 0.441, h-index: 10)
Annals of Saudi Medicine     Open Access   (SJR: 0.24, h-index: 29)
Annals of Thoracic Medicine     Open Access   (Followers: 4, SJR: 0.388, h-index: 19)
Annals of Tropical Medicine and Public Health     Open Access   (Followers: 15, SJR: 0.148, h-index: 5)
APOS Trends in Orthodontics     Open Access   (Followers: 1)
Arab J. of Interventional Radiology     Open Access  
Archives of Intl. Surgery     Open Access   (Followers: 9)
Archives of Medicine and Health Sciences     Open Access   (Followers: 3)
Archives of Pharmacy Practice     Open Access   (Followers: 5)
Asia Pacific J. of Clinical Trials : Nervous System Diseases     Open Access  
Asia-Pacific J. of Oncology Nursing     Open Access   (Followers: 3)
Asian J. of Andrology     Open Access   (Followers: 1, SJR: 0.879, h-index: 49)
Asian J. of Neurosurgery     Open Access   (Followers: 2)
Asian J. of Oncology     Open Access   (Followers: 1)
Asian J. of Transfusion Science     Open Access   (Followers: 2, SJR: 0.362, h-index: 10)
Astrocyte     Open Access  
Avicenna J. of Medicine     Open Access   (Followers: 1)
AYU : An international quarterly journal of research in Ayurveda     Open Access   (Followers: 6)
Benha Medical J.     Open Access  
BLDE University J. of Health Sciences     Open Access  
Brain Circulation     Open Access  
Bulletin of Faculty of Physical Therapy     Open Access   (Followers: 1)
Cancer Translational Medicine     Open Access   (Followers: 1)
CHRISMED J. of Health and Research     Open Access  
Clinical Dermatology Review     Open Access   (Followers: 1)
Clinical Trials in Degenerative Diseases     Open Access  
Clinical Trials in Orthopedic Disorders     Open Access   (Followers: 1)
Community Acquired Infection     Open Access  
Conservation and Society     Open Access   (Followers: 12, SJR: 0.82, h-index: 12)
Contemporary Clinical Dentistry     Open Access   (Followers: 4)
Current Medical Issues     Open Access   (Followers: 1)
CytoJ.     Open Access   (Followers: 2, SJR: 0.339, h-index: 19)
Delta J. of Ophthalmology     Open Access  
Dental Hypotheses     Open Access   (Followers: 3, SJR: 0.131, h-index: 4)
Dental Research J.     Open Access   (Followers: 9)
Dentistry and Medical Research     Open Access  
Digital Medicine     Open Access  
Drug Development and Therapeutics     Open Access  
Education for Health     Open Access   (Followers: 5, SJR: 0.205, h-index: 22)
Egyptian J. of Bronchology     Open Access  
Egyptian J. of Cardiothoracic Anesthesia     Open Access  
Egyptian J. of Cataract and Refractive Surgery     Open Access   (Followers: 1)
Egyptian J. of Dermatology and Venerology     Open Access   (Followers: 1)
Egyptian J. of Haematology     Open Access  
Egyptian J. of Internal Medicine     Open Access   (Followers: 1)
Egyptian J. of Neurology, Psychiatry and Neurosurgery     Open Access   (Followers: 1, SJR: 0.121, h-index: 3)
Egyptian J. of Obesity, Diabetes and Endocrinology     Open Access  
Egyptian J. of Otolaryngology     Open Access   (Followers: 1)
Egyptian J. of Psychiatry     Open Access   (Followers: 2)
Egyptian J. of Surgery     Open Access   (Followers: 1)
Egyptian Orthopaedic J.     Open Access  
Egyptian Pharmaceutical J.     Open Access  
Egyptian Retina J.     Open Access  
Egyptian Rheumatology and Rehabilitation     Open Access  
Endodontology     Open Access  
Endoscopic Ultrasound     Open Access   (SJR: 0.473, h-index: 8)
Environmental Disease     Open Access  
European J. of Dentistry     Open Access   (Followers: 2, SJR: 0.496, h-index: 11)
European J. of General Dentistry     Open Access   (Followers: 1)
European J. of Prosthodontics     Open Access   (Followers: 2)
European J. of Psychology and Educational Studies     Open Access   (Followers: 7)
Fertility Science and Research     Open Access  
Formosan J. of Surgery     Open Access   (SJR: 0.107, h-index: 5)
Genome Integrity     Open Access   (Followers: 4, SJR: 1.227, h-index: 12)
Global J. of Transfusion Medicine     Open Access   (Followers: 1)
Heart India     Open Access   (Followers: 1)
Heart Views     Open Access   (Followers: 2)
Hepatitis B Annual     Open Access   (Followers: 3)
IJS Short Reports     Open Access  
Indian Anaesthetists Forum     Open Access  
Indian Dermatology Online J.     Open Access   (Followers: 3)
Indian J. of Allergy, Asthma and Immunology     Open Access   (Followers: 1)
Indian J. of Anaesthesia     Open Access   (Followers: 8, SJR: 0.302, h-index: 13)
Indian J. of Burns     Open Access   (Followers: 1)
Indian J. of Cancer     Open Access   (SJR: 0.318, h-index: 26)
Indian J. of Cerebral Palsy     Open Access   (Followers: 1)
Indian J. of Community Medicine     Open Access   (Followers: 2, SJR: 0.618, h-index: 16)
Indian J. of Critical Care Medicine     Open Access   (Followers: 2, SJR: 0.307, h-index: 16)
Indian J. of Dental Research     Open Access   (Followers: 4, SJR: 0.243, h-index: 24)
Indian J. of Dental Sciences     Open Access  
Indian J. of Dentistry     Open Access   (Followers: 1)
Indian J. of Dermatology     Open Access   (Followers: 2, SJR: 0.448, h-index: 16)
Indian J. of Dermatology, Venereology and Leprology     Open Access   (Followers: 3, SJR: 0.563, h-index: 29)
Indian J. of Dermatopathology and Diagnostic Dermatology     Open Access  
Indian J. of Drugs in Dermatology     Open Access   (Followers: 1)
Indian J. of Endocrinology and Metabolism     Open Access   (Followers: 4)
Indian J. of Health Sciences     Open Access   (Followers: 2)
Indian J. of Medical and Paediatric Oncology     Open Access   (SJR: 0.292, h-index: 9)
Indian J. of Medical Microbiology     Open Access   (Followers: 1, SJR: 0.53, h-index: 34)
Indian J. of Medical Research     Open Access   (Followers: 4, SJR: 0.716, h-index: 60)
Indian J. of Medical Sciences     Open Access   (Followers: 2, SJR: 0.207, h-index: 31)
Indian J. of Multidisciplinary Dentistry     Open Access   (Followers: 1)
Indian J. of Nephrology     Open Access   (Followers: 1, SJR: 0.233, h-index: 12)
Indian J. of Nuclear Medicine     Open Access   (Followers: 2, SJR: 0.213, h-index: 5)
Indian J. of Occupational and Environmental Medicine     Open Access   (Followers: 4, SJR: 0.203, h-index: 13)
Indian J. of Ophthalmology     Open Access   (Followers: 5, SJR: 0.536, h-index: 34)
Indian J. of Oral Health and Research     Open Access  
Indian J. of Oral Sciences     Open Access   (Followers: 1)
Indian J. of Orthopaedics     Open Access   (Followers: 9, SJR: 0.393, h-index: 15)
Indian J. of Otology     Open Access   (Followers: 1, SJR: 0.218, h-index: 5)
Indian J. of Paediatric Dermatology     Open Access   (Followers: 2)
Indian J. of Pain     Open Access   (Followers: 1)
Indian J. of Palliative Care     Open Access   (Followers: 5, SJR: 0.35, h-index: 12)
Indian J. of Pathology and Microbiology     Open Access   (Followers: 1, SJR: 0.285, h-index: 22)
Indian J. of Pharmacology     Open Access   (SJR: 0.347, h-index: 44)
Indian J. of Plastic Surgery     Open Access   (Followers: 12, SJR: 0.303, h-index: 13)
Indian J. of Psychiatry     Open Access   (Followers: 3, SJR: 0.496, h-index: 15)
Indian J. of Psychological Medicine     Open Access   (Followers: 1, SJR: 0.344, h-index: 9)
Indian J. of Public Health     Open Access   (Followers: 1, SJR: 0.444, h-index: 17)
Indian J. of Radiology and Imaging     Open Access   (Followers: 4, SJR: 0.253, h-index: 14)
Indian J. of Research in Homoeopathy     Open Access  
Indian J. of Rheumatology     Open Access   (SJR: 0.169, h-index: 7)
Indian J. of Sexually Transmitted Diseases and AIDS     Open Access   (Followers: 2, SJR: 0.313, h-index: 9)
Indian J. of Social Psychiatry     Open Access   (Followers: 2)
Indian J. of Urology     Open Access   (Followers: 3, SJR: 0.366, h-index: 16)
Indian J. of Vascular and Endovascular Surgery     Open Access   (Followers: 2)
Industrial Psychiatry J.     Open Access   (Followers: 2)
Intl. J. of Academic Medicine     Open Access  
Intl. J. of Advanced Medical and Health Research     Open Access  
Intl. J. of Applied and Basic Medical Research     Open Access  
Intl. J. of Clinical and Experimental Physiology     Open Access   (Followers: 1)
Intl. J. of Critical Illness and Injury Science     Open Access   (Followers: 1)
Intl. J. of Educational and Psychological Researches     Open Access   (Followers: 3)
Intl. J. of Environmental Health Engineering     Open Access   (Followers: 1)
Intl. J. of Forensic Odontology     Open Access   (Followers: 1)
Intl. J. of Green Pharmacy     Open Access   (Followers: 4, SJR: 0.229, h-index: 13)
Intl. J. of Health & Allied Sciences     Open Access   (Followers: 3)
Intl. J. of Health System and Disaster Management     Open Access   (Followers: 2)
Intl. J. of Heart Rhythm     Open Access  
Intl. J. of Medicine and Public Health     Open Access   (Followers: 7)
Intl. J. of Mycobacteriology     Open Access   (SJR: 0.239, h-index: 4)
Intl. J. of Noncommunicable Diseases     Open Access  
Intl. J. of Nutrition, Pharmacology, Neurological Diseases     Open Access   (Followers: 4)
Intl. J. of Oral Health Sciences     Open Access   (Followers: 1)
Intl. J. of Orthodontic Rehabilitation     Open Access  
Intl. J. of Pedodontic Rehabilitation     Open Access  
Intl. J. of Pharmaceutical Investigation     Open Access   (Followers: 1)
Intl. J. of Preventive Medicine     Open Access   (Followers: 1, SJR: 0.523, h-index: 15)
Intl. J. of Shoulder Surgery     Open Access   (Followers: 7, SJR: 0.611, h-index: 9)
Intl. J. of Trichology     Open Access   (SJR: 0.37, h-index: 10)
Intl. J. of Yoga     Open Access   (Followers: 15)
Intl. J. of Yoga : Philosophy, Psychology and Parapsychology     Open Access   (Followers: 6)
Iranian J. of Nursing and Midwifery Research     Open Access   (Followers: 2)
Iraqi J. of Hematology     Open Access  
J. of Academy of Medical Sciences     Open Access  
J. of Advanced Pharmaceutical Technology & Research     Open Access   (Followers: 4, SJR: 0.427, h-index: 15)
J. of Anaesthesiology Clinical Pharmacology     Open Access   (Followers: 8, SJR: 0.416, h-index: 14)
J. of Applied Hematology     Open Access  
J. of Association of Chest Physicians     Open Access   (Followers: 2)
J. of Basic and Clinical Reproductive Sciences     Open Access   (Followers: 1)
J. of Cancer Research and Therapeutics     Open Access   (Followers: 4, SJR: 0.359, h-index: 21)
J. of Carcinogenesis     Open Access   (Followers: 1, SJR: 1.152, h-index: 26)
J. of Cardiothoracic Trauma     Open Access  
J. of Cardiovascular Disease Research     Open Access   (Followers: 3, SJR: 0.351, h-index: 13)
J. of Cardiovascular Echography     Open Access   (SJR: 0.134, h-index: 2)
J. of Cleft Lip Palate and Craniofacial Anomalies     Open Access   (Followers: 2)
J. of Clinical and Preventive Cardiology     Open Access   (Followers: 1)
J. of Clinical Imaging Science     Open Access   (Followers: 1, SJR: 0.277, h-index: 8)
J. of Clinical Neonatology     Open Access   (Followers: 1)
J. of Clinical Ophthalmology and Research     Open Access   (Followers: 2)
J. of Clinical Sciences     Open Access  
J. of Conservative Dentistry     Open Access   (Followers: 4, SJR: 0.532, h-index: 10)
J. of Craniovertebral Junction and Spine     Open Access   (Followers: 4, SJR: 0.199, h-index: 9)
J. of Current Medical Research and Practice     Open Access  
J. of Current Research in Scientific Medicine     Open Access  
J. of Cutaneous and Aesthetic Surgery     Open Access   (Followers: 1)
J. of Cytology     Open Access   (Followers: 1, SJR: 0.274, h-index: 9)
J. of Dental and Allied Sciences     Open Access   (Followers: 1)
J. of Dental Implants     Open Access   (Followers: 7)
J. of Dental Lasers     Open Access   (Followers: 2)
J. of Dental Research and Review     Open Access   (Followers: 1)
J. of Digestive Endoscopy     Open Access   (Followers: 3)
J. of Dr. NTR University of Health Sciences     Open Access  
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J. of Education and Ethics in Dentistry     Open Access   (Followers: 5)
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J. of Emergencies, Trauma and Shock     Open Access   (Followers: 9, SJR: 0.353, h-index: 14)
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Journal Cover Genome Integrity
  [SJR: 1.227]   [H-I: 12]   [4 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2041-9414
   Published by Medknow Publishers Homepage  [355 journals]
  • Strengthening biological dosimetry in member states of the international
           atomic energy agency

    • Authors: Prakash Hande, Rajesh Sharan, Oleg Belyakov
      Pages: 1 - 1
      Abstract: Prakash Hande, Rajesh Sharan, Oleg Belyakov
      Genome Integrity 2016 7(1):1-1

      Citation: Genome Integrity 2016 7(1):1-1
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197170
      Issue No: Vol. 7, No. 1 (2016)
       
  • Calibration curve for dicentric chromosomes induced in human blood
           lymphocytes exposed to gamma rays at a dose rate of 12.5 mgy/s

    • Authors: Tran Que, Pham Ngoc Duy, Bui Thi Kim Luyen
      Pages: 2 - 2
      Abstract: Tran Que, Pham Ngoc Duy, Bui Thi Kim Luyen
      Genome Integrity 2016 7(1):2-2
      To develop a calibration curve for induction of dicentric chromosomes by radiation, we have used a 60Co gamma-ray source with dose rate of 12.5 mGy/s. Whole blood from 15 healthy donors was collected. Whole blood from each donor was divided equally into 8 parts for exposing to supposedly physical doses 0, 0.30, 0.50, 1.00, 1.50, 2.00, 3.00 and 4.00 Gy for a independent calibration curve. Whole blood from 15 donors was used to calibrate dose – effect and statistical for general calibration curve. Using Poisson test (U-test) for the distribution of dicentric chromosomes in the metaphases to determine the uniformity of the radiation field. The average from 15 independent calibration curves of linear correlated coefficient was determined to be r (y, d) = 0.5136 ± 0.0038. The model equation derived is y = aD + bD2 + C. The calibration equation of dose-effect was y = 1.01D + 4.43D2 + 0.56.
      Citation: Genome Integrity 2016 7(1):2-2
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197171
      Issue No: Vol. 7, No. 1 (2016)
       
  • Towards establishing capacity for biological dosimetry at ghana atomic
           energy commission

    • Authors: Daniel Gyingiri Achel, Elom Achoribo, Sandra Agbenyegah, Rudolph M Adaboro, Shadrack Donkor, Nana A K Adu-Bobi, Akwasi A Agyekum, Felicia Akuamoa, Samuel N Tagoe, Kofi A Kyei, Joel Yarney, Antonio Serafin, John M Akudugu
      Pages: 3 - 3
      Abstract: Daniel Gyingiri Achel, Elom Achoribo, Sandra Agbenyegah, Rudolph M Adaboro, Shadrack Donkor, Nana A K Adu-Bobi, Akwasi A Agyekum, Felicia Akuamoa, Samuel N Tagoe, Kofi A Kyei, Joel Yarney, Antonio Serafin, John M Akudugu
      Genome Integrity 2016 7(1):3-3
      The aim of this study was not only to obtain basic technical prerequisites for the establishment of capacity of biological dosimetry at the Ghana Atomic Energy Commission (GAEC) but also to stimulate interest in biological dosimetry research in Ghana and Sub-Saharan Africa. Peripheral blood from four healthy donors was exposed to different doses (0–6 Gy) of gamma rays from a radiotherapy machine and lymphocytes were subsequently stimulated, cultured, and processed according to standard protocols for 48–50 h. Processed cells were analyzed for the frequencies of dicentric and centric ring chromosomes. Radiation dose delivered to the experimental model was verified using GafChromic® EBT films in parallel experiments. Basic technical prerequisites for the establishment of capacity of biological dosimetry in the GAEC have been realized and expertise in the dicentric chromosome assay consolidated. We successfully obtained preliminary cytogenetic data for a dose-response relationship of the irradiated blood lymphocytes. The data strongly indicate the existence of significant linear (α) and quadratic (β) components and are consistent with those published for the production of chromosome aberrations in comparable absorbed dose ranges.
      Citation: Genome Integrity 2016 7(1):3-3
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197173
      Issue No: Vol. 7, No. 1 (2016)
       
  • Enhancing cytogenetic biological dosimetry capabilities of the philippines
           for nuclear incident preparedness

    • Authors: Celia O Asaad, Gloriamaris L Caraos, Gerardo Jose M Robles, Anie Day D. C. Asa, Maria Lucia C Cobar, Al-Ahmadgaid Asaad
      Pages: 4 - 4
      Abstract: Celia O Asaad, Gloriamaris L Caraos, Gerardo Jose M Robles, Anie Day D. C. Asa, Maria Lucia C Cobar, Al-Ahmadgaid Asaad
      Genome Integrity 2016 7(1):4-4
      The utility of a biological dosimeter based on the analysis of dicentrics is invaluable in the event of a radiological emergency wherein the estimated absorbed dose of an exposed individual is crucial in the proper medical management of patients. The technique is also used for routine monitoring of occupationally exposed workers to determine radiation exposure. An in vitro irradiation study of human peripheral blood lymphocytes was conducted to establish a dose-response curve for radiation-induced dicentric aberrations. Blood samples were collected from volunteer donors and together with optically stimulated luminescence (OSL) dosimeters and were irradiated at 0, 0.1, 0.25, 0.5, 0.75, 1, 2, 4, and 6 Gy using a cobalt-60 radiotherapy unit. Blood samples were cultured for 48 h, and the metaphase chromosomes were prepared following the procedure of the International Atomic Energy Agency's Emergency Preparedness and Response – Biodosimetry 2011 manual. At least 100 metaphases were scored for dicentric aberrations at each dose point. The data were analyzed using R language program. The results indicated that the distribution of dicentric cells followed a Poisson distribution and the dose-response curve was established using the estimated model, Ydic = 0.0003 (±0.0003) +0.0336 (±0.0115) × D + 0.0236 (±0.0054) × D2. In this study, the reliability of the dose-response curve in estimating the absorbed dose was also validated for 2 and 4 Gy using OSL dosimeters. The data were fitted into the constructed curve. The result of the validation study showed that the obtained estimate for the absorbed exposure doses was close to the true exposure doses.
      Citation: Genome Integrity 2016 7(1):4-4
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197163
      Issue No: Vol. 7, No. 1 (2016)
       
  • Chromosomal aberrations in human peripheral blood lymphocytes after
           exposure to ionizing radiation

    • Authors: Tae Ho Ryu, Jin-Hong Kim, Jin Kyu Kim
      Pages: 5 - 5
      Abstract: Tae Ho Ryu, Jin-Hong Kim, Jin Kyu Kim
      Genome Integrity 2016 7(1):5-5
      Biological dosimetry using chromosome aberration analyses in human peripheral blood lymphocytes is suitable and useful tool for estimating the dose when a nuclear or radiological emergency is investigated. Blood samples from five healthy donors were obtained to establish dose-response calibration curves for chromosomal aberrations after exposure to ionizing radiation. In this work, dicentric assay and CBMN assay were compared considering the sensitivity and accuracy of dose estimation. In a total of 21,688 analyzed metaphase spreads, 10,969 dicentric chromosomes, 563 centric rings and 11,364 acentric chromosomes were found. The number of metaphase cells decreased with increasing radiation dose. The centric rings were not found in the non-irradiated control. There was no relationship between radiation dose and acentric ring induction. The frequency of total MN increased in a dose-dependent manner. In comparison with the control value, MN increased about 9, 32, 75, 87, and 52 fold higher after treatment with 1, 2, 3, 4, and 5 Gy, respectively. The results revealed that the mean frequency of chromosomal aberrations, both in dicentric and in micronuclei analyses increased with increasing radiation dose.
      Citation: Genome Integrity 2016 7(1):5-5
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197172
      Issue No: Vol. 7, No. 1 (2016)
       
  • Intercomparison in cytogenetic dosimetry among 22 laboratories in China

    • Authors: Jian Xiang Liu, Yan Pan, Jian Lei Ruan, Chunnan Piao, Xu Su
      Pages: 6 - 6
      Abstract: Jian Xiang Liu, Yan Pan, Jian Lei Ruan, Chunnan Piao, Xu Su
      Genome Integrity 2016 7(1):6-6
      As part of a regional International Atomic Energy Agency-coordinated research project with the support from the National Health and Family Planning Commission of China, 22 laboratories participated in the intercomparison in cytogenetic dosimetry in China. Slides for chromosomal aberrations were prepared by the Department of Radiation Epidemiology, National Institute for Radiological Protection, which organized the exercise. Slides were sent to the other participating laboratories through Express Mail Service. For estimates of dose, each laboratory scored the frequency of dicentrics plus centric rings chromosomes. The whole blood samples were irradiated with 60Co γ-rays (1.3 Gy, 2.4 Gy and 1.5 Gy, 2.6 Gy). Each laboratory got one group of the slides. Ten of the 44 estimates of dose fell within ±5% of the true physical dose, 12 fell within ±5–10%, 9 fell within ±10–15%, 12 fell within ±15–20%, while only one sample fell ± >20%. The evaluation of the respective dose was achieved by 21 laboratories.
      Citation: Genome Integrity 2016 7(1):6-6
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197164
      Issue No: Vol. 7, No. 1 (2016)
       
  • Establishment of a dose-response curve for X-ray-induced micronuclei in
           human lymphocytes

    • Authors: Yanti Lusiyanti, Zubaidah Alatas, Mukh Syaifudin, Sofiati Purnami
      Pages: 7 - 7
      Abstract: Yanti Lusiyanti, Zubaidah Alatas, Mukh Syaifudin, Sofiati Purnami
      Genome Integrity 2016 7(1):7-7
      The cytokinesis-block micronucleus assay in peripheral blood lymphocytes is an established technique for biodosimetry. The aim of this project was to generate a X-ray induced micronuclei (MN) curve for peripheral blood lymphocytes taken from five healthy donors. The blood samples were irradiated with X-rays of 122 KeV at a dose rate of 0.652 Gy/min to doses of 0.5, 1, 2, 3, and 4 Gy. The blood samples were then cultured for 72 h at 37°C and processed following the International Atomic Energy Agency standard procedure with slight modifications. The result showed that the yields of MN frequencies were increased with the increase of radiation dose. Reconstruction of the relationship of MN with dose was fitted to a linear-quadratic model using Chromosome Aberration Calculation Software version 2.0. Due to their advantages, mainly, the dependence on radiation dose and dose rate, despite their limitation, these curves will be useful as alternative method for in vitro dose reconstruction and can support the preparedness for public or occupational radiation overexposure and protection. The results reported here also give us confidence to apply the obtained calibration curve of MN for future biological dosimetry requirements in Indonesia.
      Citation: Genome Integrity 2016 7(1):7-7
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197162
      Issue No: Vol. 7, No. 1 (2016)
       
  • Establishment of dose-response curves for dicentrics and premature
           chromosome condensation for radiological emergency preparedness in
           Thailand

    • Authors: Benchawan Rungsimaphorn, Budsaba Rerkamnuaychoke, Wanwisa Sudprasert
      Pages: 8 - 8
      Abstract: Benchawan Rungsimaphorn, Budsaba Rerkamnuaychoke, Wanwisa Sudprasert
      Genome Integrity 2016 7(1):8-8
      The in vitro dose calibration curves using conventional biological dosimetry – dicentric chromosome assay (DCA) and premature chromosome condensation (PCC) assay – were performed for the first time in Thailand for reconstruction of radiation dose in the exposed individuals. The peripheral blood lymphocyte samples from healthy donors were irradiated with 137Cs source at a dose rate of 0.652 Gy/min to doses of 0.1, 0.25, 0.5, 0.75, 1, 2, 3, 4, and 5 Gy for DCA technique, and 5, 10, 15, 20, and 25 Gy for PCC technique. The blood samples were cultured and processed following the standard procedure as prescribed in the International Atomic Energy Agency report with slight modifications. The yield of dicentrics with dose from at least 1000 metaphases or 100 dicentrics was fitted to a linear quadratic model using Chromosome Aberration Calculation Software (CABAS, version 2.0) whereas those of PCC rings with dose from 100 rings was fitted to a linear quadratic equation at doses from 0 to 15 Gy. These curves will be useful for in vitro dose reconstruction and can support the preparedness for overexposure to radiation among public or occupational workers and eventual radiological accident in Thailand.
      Citation: Genome Integrity 2016 7(1):8-8
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197165
      Issue No: Vol. 7, No. 1 (2016)
       
  • Construction of calibration curve for premature chromosome condensation
           assay for dose assessment

    • Authors: Elizaveta G Neronova
      Pages: 9 - 9
      Abstract: Elizaveta G Neronova
      Genome Integrity 2016 7(1):9-9
      Cytogenetic dosimetry plays an important role in the triage and medical management of affected people in radiological incidents/accidents. Cytogenetic biodosimetry uses different methods to estimate the absorbed dose in the exposed individuals, and each approach has its advantages and disadvantages. Premature chromosome condensation (PCC) assay presents several advantages that hopefully fulfill the gaps identified in the other cytogenetic methods. To introduce this technique into the panel of other cytogenetic methods, a calibration curve for PCC after γ-irradiation was generated for our laboratory.
      Citation: Genome Integrity 2016 7(1):9-9
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197166
      Issue No: Vol. 7, No. 1 (2016)
       
  • Study on γH2AX expression of lymphocytes as a biomarker in
           radiation biodosimetry

    • Authors: Yan Pan, Gang Gao, Jian Lei Ruan, Jian Xiang Liu
      Pages: 10 - 10
      Abstract: Yan Pan, Gang Gao, Jian Lei Ruan, Jian Xiang Liu
      Genome Integrity 2016 7(1):10-10
      Flow cytometry analysis was used to detect the changes of γH2AX protein expression in human peripheral blood lymphocytes. In the dose-effect study, the expression of γH2AX was detected 1 h after irradiation with 60Co γ-rays at doses of 0, 0.5, 1, 2, 4, and 6 Gy. Blood was cultivated for 0, 1, 2, 4, 6, 12, and 24 h after 4 Gy 60Co γ-rays irradiation for the time-effect study. At the same time, the blood was divided into four treatment groups (ultraviolet [UV] irradiation, 60Co γ-rays irradiation, UV plus 60Co γ-rays irradiation, and control group) to detect the changes of protein expression of γH2AX. The results showed that the γH2AX protein expression was in dose-effect and time-effect relationship with 60Co γ-rays. The peak expression of γH2AX was at 1 h after 60Co γ-ray irradiation and began to decrease quickly. Compared to irradiation with 60Co γ-rays alone, the expression of γH2AX was not significantly changed after irradiation with 60Co γ-rays plus UV. Dose rate did not significantly change the expression of γH2AX. The expression of γH2AX induced by 60Co γ-rays was basically consistent with the mice in vivo and in vitro. The results revealed that the detection of γH2AX protein expression changes in peripheral blood lymphocyte by flow cytometry analysis is reasonable and may be useful for biodosimetry.
      Citation: Genome Integrity 2016 7(1):10-10
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197167
      Issue No: Vol. 7, No. 1 (2016)
       
  • Strong correlation among three biodosimetry techniques following exposures
           to ionizing radiation

    • Authors: Chang-Mo Kang, Hyun Jin Yun, Hanna Kim, Cha Soon Kim
      Pages: 11 - 11
      Abstract: Chang-Mo Kang, Hyun Jin Yun, Hanna Kim, Cha Soon Kim
      Genome Integrity 2016 7(1):11-11
      Three in vitro dose calibration curves for biodosimetry such as dicentric chromosome assay, fluorescence in situ hybridization (FISH) assay for translocation, and micronuclei (MNs) in binucleated cell assay were established after exposure to ionizing radiation. Peripheral blood lymphocyte samples obtained from healthy donors were irradiated with 60Co source at a dose rate of 0.5 Gy/min to doses of 0.1–6 Gy. The results from three in vitro dose calibration curves for biodosimetry were analyzed to understand the relationship among biodosimetry assay techniques. Our comparison demonstrates that there is a very strong positive correlation among the dicentric assay, FISH, and MNs analysis, and these three biodosimetry assays strongly support the in vitro dose reconstruction and the emergency preparedness of public or occupational radiation overexposure.
      Citation: Genome Integrity 2016 7(1):11-11
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197168
      Issue No: Vol. 7, No. 1 (2016)
       
  • Biodosimetry of persons chronically exposed to low and therapeutic doses
           of ionizing radiation

    • Authors: Alla Zedginidze, Ema Namchevadze, George Ormocadze, Archil Kapanadze, Tamara Nikuradze, Darejan Lomidze
      Pages: 12 - 12
      Abstract: Alla Zedginidze, Ema Namchevadze, George Ormocadze, Archil Kapanadze, Tamara Nikuradze, Darejan Lomidze
      Genome Integrity 2016 7(1):12-12
      Dynamic changes of the chromosomal aberrations and the DNA damage were analyzed in individuals exposed to low and therapeutic doses of radiation. The investigation included 37 persons living in areas where the radioactive sources were discovered 10–12 years ago. It was established by biodosimetry methods that the examined persons had absorbed dose of 0.2–0.7 Gy or had increased number of chromosomal aberrations, though insufficient to determine a dose. Clinical examination, chromosomal analysis, and assay of DNA damage by the comet (single-cell gel electrophoresis) assay were carried out. There was no correlation between the doses received 10 years ago and the cytogenetic changes with clinical outcome. The effect of the local fractionated gamma-irradiation with doses of 40–70 Gy was studied in cancer patients with localized head and neck tumors. The study of chromosomal abnormalities, the DNA damages by the comet assay, and the micronuclei detection of the buccal cells revealed a statistically significant correlation between the initial cytogenetic indices in cancer patients and their dynamic changes during and after the radiation exposure. In addition, the correlation was detected between the initial cytogenetic parameters and the functional stage of red blood system. Our results allow us to conclude that there is a need for further research to estimate the individual radiation risk to optimize and individualize the subsequent medical management of radiotherapy.
      Citation: Genome Integrity 2016 7(1):12-12
      PubDate: Fri,30 Dec 2016
      DOI: 10.4103/2041-9414.197169
      Issue No: Vol. 7, No. 1 (2016)
       
 
 
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