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Publisher: Oxford University Press   (Total: 370 journals)

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Showing 1 - 200 of 370 Journals sorted alphabetically
Acta Biochimica et Biophysica Sinica     Hybrid Journal   (Followers: 6, SJR: 0.881, h-index: 38)
Adaptation     Hybrid Journal   (Followers: 8, SJR: 0.111, h-index: 4)
Aesthetic Surgery J.     Hybrid Journal   (Followers: 6, SJR: 1.538, h-index: 35)
African Affairs     Hybrid Journal   (Followers: 60, SJR: 1.512, h-index: 46)
Age and Ageing     Hybrid Journal   (Followers: 84, SJR: 1.611, h-index: 107)
Alcohol and Alcoholism     Hybrid Journal   (Followers: 15, SJR: 0.935, h-index: 80)
American Entomologist     Full-text available via subscription   (Followers: 6)
American Historical Review     Hybrid Journal   (Followers: 142, SJR: 0.652, h-index: 43)
American J. of Agricultural Economics     Hybrid Journal   (Followers: 40, SJR: 1.441, h-index: 77)
American J. of Epidemiology     Hybrid Journal   (Followers: 167, SJR: 3.047, h-index: 201)
American J. of Hypertension     Hybrid Journal   (Followers: 23, SJR: 1.397, h-index: 111)
American J. of Jurisprudence     Hybrid Journal   (Followers: 16)
American J. of Legal History     Full-text available via subscription   (Followers: 6, SJR: 0.151, h-index: 7)
American Law and Economics Review     Hybrid Journal   (Followers: 25, SJR: 0.824, h-index: 23)
American Literary History     Hybrid Journal   (Followers: 12, SJR: 0.185, h-index: 22)
Analysis     Hybrid Journal   (Followers: 23)
Annals of Botany     Hybrid Journal   (Followers: 35, SJR: 1.912, h-index: 124)
Annals of Occupational Hygiene     Hybrid Journal   (Followers: 27, SJR: 0.837, h-index: 57)
Annals of Oncology     Hybrid Journal   (Followers: 49, SJR: 4.362, h-index: 173)
Annals of the Entomological Society of America     Full-text available via subscription   (Followers: 8, SJR: 0.642, h-index: 53)
Annals of Work Exposures and Health     Hybrid Journal  
AoB Plants     Open Access   (Followers: 3, SJR: 0.78, h-index: 10)
Applied Economic Perspectives and Policy     Hybrid Journal   (Followers: 19, SJR: 0.884, h-index: 31)
Applied Linguistics     Hybrid Journal   (Followers: 51, SJR: 1.749, h-index: 63)
Applied Mathematics Research eXpress     Hybrid Journal   (Followers: 1, SJR: 0.779, h-index: 11)
Arbitration Intl.     Full-text available via subscription   (Followers: 20)
Arbitration Law Reports and Review     Hybrid Journal   (Followers: 13)
Archives of Clinical Neuropsychology     Hybrid Journal   (Followers: 26, SJR: 0.96, h-index: 71)
Aristotelian Society Supplementary Volume     Hybrid Journal   (Followers: 2, SJR: 0.102, h-index: 20)
Arthropod Management Tests     Hybrid Journal   (Followers: 2)
Astronomy & Geophysics     Hybrid Journal   (Followers: 47, SJR: 0.144, h-index: 15)
Behavioral Ecology     Hybrid Journal   (Followers: 48, SJR: 1.698, h-index: 92)
Bioinformatics     Hybrid Journal   (Followers: 307, SJR: 4.643, h-index: 271)
Biology Methods and Protocols     Hybrid Journal  
Biology of Reproduction     Full-text available via subscription   (Followers: 9, SJR: 1.646, h-index: 149)
Biometrika     Hybrid Journal   (Followers: 19, SJR: 2.801, h-index: 90)
BioScience     Hybrid Journal   (Followers: 29, SJR: 2.374, h-index: 154)
Bioscience Horizons : The National Undergraduate Research J.     Open Access   (Followers: 1, SJR: 0.213, h-index: 9)
Biostatistics     Hybrid Journal   (Followers: 16, SJR: 1.955, h-index: 55)
BJA : British J. of Anaesthesia     Hybrid Journal   (Followers: 145, SJR: 2.314, h-index: 133)
BJA Education     Hybrid Journal   (Followers: 63, SJR: 0.272, h-index: 20)
Brain     Hybrid Journal   (Followers: 60, SJR: 6.097, h-index: 264)
Briefings in Bioinformatics     Hybrid Journal   (Followers: 46, SJR: 4.086, h-index: 73)
Briefings in Functional Genomics     Hybrid Journal   (Followers: 4, SJR: 1.771, h-index: 50)
British J. for the Philosophy of Science     Hybrid Journal   (Followers: 34, SJR: 1.267, h-index: 38)
British J. of Aesthetics     Hybrid Journal   (Followers: 25, SJR: 0.217, h-index: 18)
British J. of Criminology     Hybrid Journal   (Followers: 525, SJR: 1.373, h-index: 62)
British J. of Social Work     Hybrid Journal   (Followers: 82, SJR: 0.771, h-index: 53)
British Medical Bulletin     Hybrid Journal   (Followers: 7, SJR: 1.391, h-index: 84)
British Yearbook of Intl. Law     Hybrid Journal   (Followers: 27)
Bulletin of the London Mathematical Society     Hybrid Journal   (Followers: 3, SJR: 1.474, h-index: 31)
Cambridge J. of Economics     Hybrid Journal   (Followers: 58, SJR: 0.957, h-index: 59)
Cambridge J. of Regions, Economy and Society     Hybrid Journal   (Followers: 11, SJR: 1.067, h-index: 22)
Cambridge Quarterly     Hybrid Journal   (Followers: 11, SJR: 0.1, h-index: 7)
Capital Markets Law J.     Hybrid Journal   (Followers: 1)
Carcinogenesis     Hybrid Journal   (Followers: 2, SJR: 2.439, h-index: 167)
Cardiovascular Research     Hybrid Journal   (Followers: 11, SJR: 2.897, h-index: 175)
Cerebral Cortex     Hybrid Journal   (Followers: 41, SJR: 4.827, h-index: 192)
CESifo Economic Studies     Hybrid Journal   (Followers: 16, SJR: 0.501, h-index: 19)
Chemical Senses     Hybrid Journal   (Followers: 1, SJR: 1.436, h-index: 76)
Children and Schools     Hybrid Journal   (Followers: 6, SJR: 0.211, h-index: 18)
Chinese J. of Comparative Law     Hybrid Journal   (Followers: 3)
Chinese J. of Intl. Law     Hybrid Journal   (Followers: 21, SJR: 0.737, h-index: 11)
Chinese J. of Intl. Politics     Hybrid Journal   (Followers: 9, SJR: 1.238, h-index: 15)
Christian Bioethics: Non-Ecumenical Studies in Medical Morality     Hybrid Journal   (Followers: 11, SJR: 0.191, h-index: 8)
Classical Receptions J.     Hybrid Journal   (Followers: 22, SJR: 0.1, h-index: 3)
Clinical Infectious Diseases     Hybrid Journal   (Followers: 58, SJR: 4.742, h-index: 261)
Clinical Kidney J.     Open Access   (Followers: 4, SJR: 0.338, h-index: 19)
Community Development J.     Hybrid Journal   (Followers: 24, SJR: 0.47, h-index: 28)
Computer J.     Hybrid Journal   (Followers: 7, SJR: 0.371, h-index: 47)
Conservation Physiology     Open Access   (Followers: 2)
Contemporary Women's Writing     Hybrid Journal   (Followers: 11, SJR: 0.111, h-index: 3)
Contributions to Political Economy     Hybrid Journal   (Followers: 6, SJR: 0.313, h-index: 10)
Critical Values     Full-text available via subscription  
Current Legal Problems     Hybrid Journal   (Followers: 26)
Current Zoology     Full-text available via subscription   (SJR: 0.999, h-index: 20)
Database : The J. of Biological Databases and Curation     Open Access   (Followers: 11, SJR: 1.068, h-index: 24)
Digital Scholarship in the Humanities     Hybrid Journal   (Followers: 12)
Diplomatic History     Hybrid Journal   (Followers: 19, SJR: 0.296, h-index: 22)
DNA Research     Open Access   (Followers: 4, SJR: 2.42, h-index: 77)
Dynamics and Statistics of the Climate System     Open Access   (Followers: 3)
Early Music     Hybrid Journal   (Followers: 14, SJR: 0.124, h-index: 11)
Economic Policy     Hybrid Journal   (Followers: 61, SJR: 2.052, h-index: 52)
ELT J.     Hybrid Journal   (Followers: 25, SJR: 1.26, h-index: 23)
English Historical Review     Hybrid Journal   (Followers: 50, SJR: 0.311, h-index: 10)
English: J. of the English Association     Hybrid Journal   (Followers: 13, SJR: 0.144, h-index: 3)
Environmental Entomology     Full-text available via subscription   (Followers: 11, SJR: 0.791, h-index: 66)
Environmental Epigenetics     Open Access   (Followers: 1)
Environmental History     Hybrid Journal   (Followers: 25, SJR: 0.197, h-index: 25)
EP-Europace     Hybrid Journal   (Followers: 2, SJR: 2.201, h-index: 71)
Epidemiologic Reviews     Hybrid Journal   (Followers: 10, SJR: 3.917, h-index: 81)
ESHRE Monographs     Hybrid Journal  
Essays in Criticism     Hybrid Journal   (Followers: 16, SJR: 0.1, h-index: 6)
European Heart J.     Hybrid Journal   (Followers: 49, SJR: 6.997, h-index: 227)
European Heart J. - Cardiovascular Imaging     Hybrid Journal   (Followers: 8, SJR: 2.044, h-index: 58)
European Heart J. - Cardiovascular Pharmacotherapy     Full-text available via subscription   (Followers: 1)
European Heart J. - Quality of Care and Clinical Outcomes     Hybrid Journal  
European Heart J. Supplements     Hybrid Journal   (Followers: 7, SJR: 0.152, h-index: 31)
European J. of Cardio-Thoracic Surgery     Hybrid Journal   (Followers: 8, SJR: 1.568, h-index: 104)
European J. of Intl. Law     Hybrid Journal   (Followers: 157, SJR: 0.722, h-index: 38)
European J. of Orthodontics     Hybrid Journal   (Followers: 4, SJR: 1.09, h-index: 60)
European J. of Public Health     Hybrid Journal   (Followers: 22, SJR: 1.284, h-index: 64)
European Review of Agricultural Economics     Hybrid Journal   (Followers: 11, SJR: 1.549, h-index: 42)
European Review of Economic History     Hybrid Journal   (Followers: 28, SJR: 0.628, h-index: 24)
European Sociological Review     Hybrid Journal   (Followers: 41, SJR: 2.061, h-index: 53)
Evolution, Medicine, and Public Health     Open Access   (Followers: 11)
Family Practice     Hybrid Journal   (Followers: 11, SJR: 1.048, h-index: 77)
Fems Microbiology Ecology     Hybrid Journal   (Followers: 8, SJR: 1.687, h-index: 115)
Fems Microbiology Letters     Hybrid Journal   (Followers: 20, SJR: 1.126, h-index: 118)
Fems Microbiology Reviews     Hybrid Journal   (Followers: 25, SJR: 7.587, h-index: 150)
Fems Yeast Research     Hybrid Journal   (Followers: 13, SJR: 1.213, h-index: 66)
Foreign Policy Analysis     Hybrid Journal   (Followers: 22, SJR: 0.859, h-index: 10)
Forestry: An Intl. J. of Forest Research     Hybrid Journal   (Followers: 16, SJR: 0.903, h-index: 44)
Forum for Modern Language Studies     Hybrid Journal   (Followers: 6, SJR: 0.108, h-index: 6)
French History     Hybrid Journal   (Followers: 31, SJR: 0.123, h-index: 10)
French Studies     Hybrid Journal   (Followers: 19, SJR: 0.119, h-index: 7)
French Studies Bulletin     Hybrid Journal   (Followers: 10, SJR: 0.102, h-index: 3)
Gastroenterology Report     Open Access   (Followers: 2)
Genome Biology and Evolution     Open Access   (Followers: 10, SJR: 3.22, h-index: 39)
Geophysical J. Intl.     Hybrid Journal   (Followers: 34, SJR: 1.839, h-index: 119)
German History     Hybrid Journal   (Followers: 25, SJR: 0.437, h-index: 13)
GigaScience     Open Access   (Followers: 3)
Global Summitry     Hybrid Journal  
Glycobiology     Hybrid Journal   (Followers: 14, SJR: 1.692, h-index: 101)
Health and Social Work     Hybrid Journal   (Followers: 48, SJR: 0.505, h-index: 40)
Health Education Research     Hybrid Journal   (Followers: 12, SJR: 0.814, h-index: 80)
Health Policy and Planning     Hybrid Journal   (Followers: 19, SJR: 1.628, h-index: 66)
Health Promotion Intl.     Hybrid Journal   (Followers: 21, SJR: 0.664, h-index: 60)
History Workshop J.     Hybrid Journal   (Followers: 26, SJR: 0.313, h-index: 20)
Holocaust and Genocide Studies     Hybrid Journal   (Followers: 24, SJR: 0.115, h-index: 13)
Human Molecular Genetics     Hybrid Journal   (Followers: 9, SJR: 4.288, h-index: 233)
Human Reproduction     Hybrid Journal   (Followers: 78, SJR: 2.271, h-index: 179)
Human Reproduction Update     Hybrid Journal   (Followers: 18, SJR: 4.678, h-index: 128)
Human Rights Law Review     Hybrid Journal   (Followers: 59, SJR: 0.7, h-index: 21)
ICES J. of Marine Science: J. du Conseil     Hybrid Journal   (Followers: 54, SJR: 1.233, h-index: 88)
ICSID Review     Hybrid Journal   (Followers: 10)
ILAR J.     Hybrid Journal   (Followers: 1, SJR: 1.099, h-index: 51)
IMA J. of Applied Mathematics     Hybrid Journal   (SJR: 0.329, h-index: 26)
IMA J. of Management Mathematics     Hybrid Journal   (Followers: 2, SJR: 0.351, h-index: 20)
IMA J. of Mathematical Control and Information     Hybrid Journal   (Followers: 2, SJR: 0.661, h-index: 28)
IMA J. of Numerical Analysis - advance access     Hybrid Journal   (SJR: 2.032, h-index: 44)
Industrial and Corporate Change     Hybrid Journal   (Followers: 8, SJR: 1.37, h-index: 81)
Industrial Law J.     Hybrid Journal   (Followers: 29, SJR: 0.184, h-index: 15)
Information and Inference     Free  
Integrative and Comparative Biology     Hybrid Journal   (Followers: 8, SJR: 1.911, h-index: 90)
Interacting with Computers     Hybrid Journal   (Followers: 10, SJR: 0.529, h-index: 59)
Interactive CardioVascular and Thoracic Surgery     Hybrid Journal   (Followers: 5, SJR: 0.743, h-index: 35)
Intl. Affairs     Hybrid Journal   (Followers: 52, SJR: 1.264, h-index: 53)
Intl. Data Privacy Law     Hybrid Journal   (Followers: 29)
Intl. Health     Hybrid Journal   (Followers: 5, SJR: 0.835, h-index: 15)
Intl. Immunology     Hybrid Journal   (Followers: 3, SJR: 1.613, h-index: 111)
Intl. J. for Quality in Health Care     Hybrid Journal   (Followers: 33, SJR: 1.593, h-index: 69)
Intl. J. of Constitutional Law     Hybrid Journal   (Followers: 60, SJR: 0.613, h-index: 19)
Intl. J. of Epidemiology     Hybrid Journal   (Followers: 156, SJR: 4.381, h-index: 145)
Intl. J. of Law and Information Technology     Hybrid Journal   (Followers: 4, SJR: 0.247, h-index: 8)
Intl. J. of Law, Policy and the Family     Hybrid Journal   (Followers: 29, SJR: 0.307, h-index: 15)
Intl. J. of Lexicography     Hybrid Journal   (Followers: 8, SJR: 0.404, h-index: 18)
Intl. J. of Low-Carbon Technologies     Open Access   (Followers: 1, SJR: 0.457, h-index: 12)
Intl. J. of Neuropsychopharmacology     Open Access   (Followers: 3, SJR: 1.69, h-index: 79)
Intl. J. of Public Opinion Research     Hybrid Journal   (Followers: 9, SJR: 0.906, h-index: 33)
Intl. J. of Refugee Law     Hybrid Journal   (Followers: 33, SJR: 0.231, h-index: 21)
Intl. J. of Transitional Justice     Hybrid Journal   (Followers: 13, SJR: 0.833, h-index: 12)
Intl. Mathematics Research Notices     Hybrid Journal   (Followers: 1, SJR: 2.052, h-index: 42)
Intl. Political Sociology     Hybrid Journal   (Followers: 31, SJR: 1.339, h-index: 19)
Intl. Relations of the Asia-Pacific     Hybrid Journal   (Followers: 18, SJR: 0.539, h-index: 17)
Intl. Studies Perspectives     Hybrid Journal   (Followers: 7, SJR: 0.998, h-index: 28)
Intl. Studies Quarterly     Hybrid Journal   (Followers: 38, SJR: 2.184, h-index: 68)
Intl. Studies Review     Hybrid Journal   (Followers: 18, SJR: 0.783, h-index: 38)
ISLE: Interdisciplinary Studies in Literature and Environment     Hybrid Journal   (Followers: 1, SJR: 0.155, h-index: 4)
ITNOW     Hybrid Journal   (Followers: 2, SJR: 0.102, h-index: 4)
J. of African Economies     Hybrid Journal   (Followers: 15, SJR: 0.647, h-index: 30)
J. of American History     Hybrid Journal   (Followers: 40, SJR: 0.286, h-index: 34)
J. of Analytical Toxicology     Hybrid Journal   (Followers: 13, SJR: 1.038, h-index: 60)
J. of Antimicrobial Chemotherapy     Hybrid Journal   (Followers: 12, SJR: 2.157, h-index: 149)
J. of Antitrust Enforcement     Hybrid Journal   (Followers: 1)
J. of Applied Poultry Research     Hybrid Journal   (Followers: 3, SJR: 0.563, h-index: 43)
J. of Biochemistry     Hybrid Journal   (Followers: 43, SJR: 1.341, h-index: 96)
J. of Chromatographic Science     Hybrid Journal   (Followers: 16, SJR: 0.448, h-index: 42)
J. of Church and State     Hybrid Journal   (Followers: 11, SJR: 0.167, h-index: 11)
J. of Competition Law and Economics     Hybrid Journal   (Followers: 35, SJR: 0.442, h-index: 16)
J. of Complex Networks     Hybrid Journal   (Followers: 1, SJR: 1.165, h-index: 5)
J. of Conflict and Security Law     Hybrid Journal   (Followers: 13, SJR: 0.196, h-index: 15)
J. of Consumer Research     Full-text available via subscription   (Followers: 43, SJR: 4.896, h-index: 121)
J. of Crohn's and Colitis     Hybrid Journal   (Followers: 10, SJR: 1.543, h-index: 37)
J. of Cybersecurity     Hybrid Journal   (Followers: 3)
J. of Deaf Studies and Deaf Education     Hybrid Journal   (Followers: 9, SJR: 0.69, h-index: 36)
J. of Design History     Hybrid Journal   (Followers: 16, SJR: 0.166, h-index: 14)
J. of Economic Entomology     Full-text available via subscription   (Followers: 6, SJR: 0.894, h-index: 76)
J. of Economic Geography     Hybrid Journal   (Followers: 40, SJR: 2.909, h-index: 69)
J. of Environmental Law     Hybrid Journal   (Followers: 23, SJR: 0.457, h-index: 20)
J. of European Competition Law & Practice     Hybrid Journal   (Followers: 19)
J. of Experimental Botany     Hybrid Journal   (Followers: 14, SJR: 2.798, h-index: 163)
J. of Financial Econometrics     Hybrid Journal   (Followers: 23, SJR: 1.314, h-index: 27)
J. of Global Security Studies     Hybrid Journal   (Followers: 3)
J. of Heredity     Hybrid Journal   (Followers: 4, SJR: 1.024, h-index: 76)
J. of Hindu Studies     Hybrid Journal   (Followers: 7, SJR: 0.186, h-index: 3)
J. of Hip Preservation Surgery     Open Access  
J. of Human Rights Practice     Hybrid Journal   (Followers: 20, SJR: 0.399, h-index: 10)
J. of Infectious Diseases     Hybrid Journal   (Followers: 40, SJR: 4, h-index: 209)
J. of Insect Science     Open Access   (Followers: 8, SJR: 0.388, h-index: 31)

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Journal Cover Bioscience Horizons : The National Undergraduate Research Journal
  [SJR: 0.213]   [H-I: 9]   [1 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Online) 1754-7431
   Published by Oxford University Press Homepage  [370 journals]
  • Corrigendum to: “Genetic polymorphisms as predictive markers for statin
           therapy: a route to improved cardiovascular patient outcomes'” (DOI:
           https://doi.org/10.1093/biohorizons/hzx010)

    • PubDate: 2017-09-12
      DOI: 10.1093/biohorizons/hzx011
      Issue No: Vol. 10 (2017)
       
  • ‘Genome’ doesn’t cover it: introducing gene systems hypothesis and
           functional gene systems

    • Authors: Fredrickson JO.
      Abstract: AbstractTraditionally, the genes which contribute to the phenotype of a eukaryotic organism were considered to be housed within its nuclear genome, but today this is often understood to not be the case. In order to better understand how high-level complex phenotypic expressions arise I propose a conceptual framework composed of core systems biology ideas integrated with current understanding of genetic systems: gene systems hypothesis (GSH). The implications of this GSH framework allow for an organism level functional gene system (O-FGS) definition which incorporates the integration of macro- and micro-symbiont gene systems. In support of the proposed O-FGS definition a brief review of current literature is presented which demonstrates the influence of micro- and macro-symbionts in plant and animal development, growth and persistence.
      PubDate: 2017-06-13
      DOI: 10.1093/biohorizons/hzx005
      Issue No: Vol. 10 (2017)
       
  • Genetic polymorphisms as predictive markers for statin therapy: a route to
           improved cardiovascular patient outcomes'

    • Authors: Kansu BB. ; Lang DD.
      Abstract: AbstractCardiovascular disease (CVD) is a leading cause of morbidity and mortality worldwide. A significant risk factor for developing CVD is the presence of high plasma levels of low-density lipoprotein (LDL) cholesterol. With regard to pharmacological intervention, ‘fat busting’ statins are seen as the wonder drugs for lipid lowering and reducing the risk of myocardial infraction and stroke. However, there is wide inter-patient variability in measureable responses to these HMG-CoA reductase inhibitors, with individual patient genotypes being increasingly recognized as important contributors to this phenomenon. In recent years there have been great advances in our understanding of how personal genetics plays a role in controlling responses to drug therapies. Nevertheless, to date, there is no clinical application of identifying genetic markers that may predict responses to statins and subsequently modify cardiovascular outcomes. This review discusses the current literature regarding the potential roles of individual genetic polymorphisms in influencing responses to statins, and whether this can translate into clinical benefits for patients. While the significance of individual single nucleotide polymorphisms is yet to be established, it is suggested from genome-wide association studies that combinations of polymorphisms could be of greater clinical relevance. Further studies investigating the long-term influence of personal genetics on responses to statins and hard clinical outcomes are essential. As technology advances and the cost of genome sequencing falls, it will become increasingly easier to use individual genetic profiles to predict drug responses, tailor treatments and provide clinical benefit across populations.
      PubDate: 2017-08-22
      DOI: 10.1093/biohorizons/hzx010
       
  • The application of magnetic nanoparticles in the treatment and monitoring
           of cancer and infectious diseases

    • Authors: Williams HM.
      Abstract: AbstractMagnetic nanoparticles (MNPs) have shown promise in a number of biomedical applications, including: magnetic hyperthermia, enhancing magnetic resonance imaging (MRI) data, supplementing tissue engineering efforts and improving the delivery of drugs to difficult to reach microniches. Their inclusion in the treatment pathways of various pathologies highlights a growing trend towards the integration of novel biotechnologies in healthcare and therapeutic settings. Superparamagnetic nanoparticles (SPNs) allow clinicians to produce a localized thermo-ablative effect leading to the destruction of bacterial biofilms and cancer cells. In addition, through the physical disruption of bacterial membranes, SPNs can sensitize resistant bacterial cells to antibacterial compounds. MNPs have also improved the delivery of bactericidal compounds to restricted microniches, and could, therefore, potentially be used in the treatment of conditions that require therapeutic interventions to cross the blood–brain barrier. Furthermore, MNPs have been investigated as novel MRI contrast agents due to their unique combination of favourable magnetic properties, biodegradability, and surface functionality.
      PubDate: 2017-08-09
      DOI: 10.1093/biohorizons/hzx009
       
  • The role of epigenetics in human evolution

    • Authors: Osborne A.
      Abstract: AbstractThis review aims to highlight the key areas in which changes to the epigenome have played an important role in the evolution and development of our species. Firstly, there will be a brief introduction into the topic of epigenetics to outline the current understanding of the subject and inform the reader of the basic mechanisms and functions of the epigenome. This will lead on to more focussed detail on the role played by epigenetic changes in the rapid evolution of our species and emergence from our ancestor species, as well as the Human Accelerated Regions that played a role in this. The discussion highlights how epigenetics has helped and hindered our species’ development via changes to the epigenome in more modern times, discussing case examples of documented instances where it is shown that epigenetics has played a role in the evolution of humanity.
      PubDate: 2017-07-28
      DOI: 10.1093/biohorizons/hzx007
       
  • An investigation into the relative resistances of common bacterial
           pathogens to quaternary ammonium cation disinfectants

    • Authors: Wickham G.
      Abstract: AbstractBenzalkonium chloride is a common quaternary ammonium cation-based disinfectant used as an industrial-grade biocide, but little independent work has been undertaken quantifying the concentrations required for sterilization. This study investigated relative differences in resistance between common Gram-negative and Gram-positive bacterial pathogens and determined the complete sterilization concentrations for each. A membrane filtration methodology was used to quantify an enriched isolate of deionized water, which was subjected to various concentrations of disinfectant incubated on MacConkey agar. The colony forming units at each concentration were compared to an untreated control. Three main trends, defined as ‘phases of inhibition’, were observed across all isolates studied. Phase I occurred from 0 to 1 mL disinfectant/L water and displayed a moderate, consistent rate of inhibition. Phase II occurred from 0.1% to 0.4% biocide in solution and was characterized by a dramatic increase in inhibition and a divergence of inhibition rates for each organism. Phase III occurred from 0.4% biocide in solution onward and was characterized by the gradual decline in rate of inhibition until each organism reached total inhibition. It was found that the Gram-negative group, comprising Escherichia coli and Pseudomonas aeruginosa, was generally more resistant than the Gram-positive group, comprising Enterococcus faecalis and Staphylococcus aureus, p < 0.001, with the individual Gram-negative organisms, having the highest complete sterilization concentrations. It was also observed that a variation in resistance existed between organisms of the same Gram stain group. This resulted in some organisms exhibiting resistances comparable to that of organisms of the opposite group, namely between the E. faecalis and P. aeruginosa, which exhibited no significance difference, p = 0.080. Therefore, a model is proposed in which the Gram stain groups can be generalized as being distinct in terms of intrinsic resistance, but also that the range of resistance exists as a spectrum within each group which can cause a similarity between individual organisms of different groups.
      PubDate: 2017-07-28
      DOI: 10.1093/biohorizons/hzx008
       
  • Bioscience Horizons Editorial: Celebrating 10 years

    • PubDate: 2017-07-10
      DOI: 10.1093/biohorizons/hzx006
       
  • Corrigendum to: ‘Changing Plastid Dynamics within Early Root and Shoot
           Apical Meristem-Derived Tissue of A. thaliana’, Lawrence Bramham and
           

    • PubDate: 2017-04-20
      DOI: 10.1093/biohorizons/hzx002
       
  • The potential mechanism of musicogenic epilepsy and future research
           avenues

    • Authors: Ellis L.
      Abstract: <span class="paragraphSection"><div class="boxTitle">Abstract</div>Musicogenic epilepsy is a rare form of reflex epilepsy in which seizures are triggered by certain pieces of music. Musical processing involves interpretation of perceptual elements such as tempo and pitch, and also emotional associations and memory formation. It is hypothesized that the emotional impact of music is more likely to precipitate musicogenic seizures through involvement of the mesolimbic system. This may link these seizures to other types of reflex seizures that also involve emotional responses. Current treatment is restricted to anti-epileptic drugs and surgery, which is not always an option for patients due to eligibility or availability, for example in developing countries. The scientific literature on this topic is very limited. Individual case studies have stated that patients report techniques they use to stop seizures such as distraction, but these have not been explored. Online forums seem to suggest the condition is more common than the scientific literature states, and so may be a useful resource to consider. After describing the normal processing of music and how this pathway may be affected in musicogenic epilepsy, the review discusses the potential relationship between musicogenic and other seizures, and why this is relevant. New avenues for research into alternative interventions for patients could be opened by considering information on forums and case reports, and methods of doing this are discussed.</span>
      PubDate: 2017-03-28
      DOI: 10.1093/biohorizons/hzx004
       
  • High salt diets in young university adults and the correlation with blood
           pressure, protein intake and fat free mass

    • Authors: Jia Jiet L; Soma R. M.
      Abstract: <span class="paragraphSection"><div class="boxTitle">Abstract</div>The diet of young university adults in Malaysia is mainly dependent on the food providers in and around the campus. Limited Malaysian studies have employed 24-h urinary sodium to estimate dietary salt intake in young adults. The fifth National Health and Morbidity Survey (NHMS), Malaysia (2015) concluded that 30.3% of Malaysian adults aged 18 years and above have hypertension. The objective of this study was to investigate the dietary salt intake and blood pressure of young university adults and the relationship between these two variables. This study also estimated the macronutrient content of the foods frequently consumed by the study participants to explore the relationship between the macronutrients, salt and blood pressure. Twenty-eight participants aged between 18 and 25 years old were recruited. Blood pressure was measured using a digital blood pressure monitor. Anthropometric measurements of participants were taken using standard procedures. Twenty-four-hour urinary sodium was analysed using atomic absorption spectrophotometry (AAS). Food intake of the participants was surveyed by an interviewer-administered questionnaire to identify the sources of dietary salt. The mean salt intake of the participants was 10.80 ± 0.78 g/day (ranging from 5.71 g/day to 20.02 g/day), exceeding the recommendation of 5 g/day set by the National Coordinating Committee on Food and Nutrition Malaysia by 116%. The mean systolic blood pressure (SBP) was 104.43 ± 1.68 mmHg, and the mean diastolic blood pressure (DBP) was 66.46 ± 1.23 mmHg. A positive correlation was found between salt intake and SBP, though it was not statistically significant (<span style="font-style:italic;">r</span> = 0.21, <span style="font-style:italic;">p</span> = 0.30). Salt intake was significantly associated with body weight (<span style="font-style:italic;">r</span> = 0.47, <span style="font-style:italic;">p</span> = 0.01), body mass index (BMI) (<span style="font-style:italic;">r</span> = 0.45, <span style="font-style:italic;">p</span> = 0.02) and fat free mass (<span style="font-style:italic;">r</span> = 0.44, <span style="font-style:italic;">p</span> = 0.02); SBP was also significantly correlated with body weight (<span style="font-style:italic;">r</span> = 0.61, <span style="font-style:italic;">p</span> = 0.00), BMI (<span style="font-style:italic;">r</span> = 0.54, <span style="font-style:italic;">p</span> = 0.00) and fat free mass (<span style="font-style:italic;">r</span> = 0.56, <span style="font-style:italic;">p</span> = 0.00). The sodium content of the food products was significantly correlated with energy-adjusted protein content of the food (<span style="font-style:italic;">r</span> = 0.67, <span style="font-style:italic;">p</span> = 0.00). Individuals who consumed more than 10 g/day of salt were frequent consumers of ‘dried anchovies/cuttlefish/prawns’, ‘instant meals’, ‘fried rice/noodles’, ‘noodles with soup’ and ‘noodles with soy sauce’. Educating the local food providers to modify their recipes with reduced salt could be part of an integrated strategy to reduce salt intake among the population.</span>
      PubDate: 2017-03-22
      DOI: 10.1093/biohorizons/hzx003
       
  • Changing Plastid Dynamics within Early Root and Shoot Apical
           Meristem-Derived Tissue of A. thaliana †

    • Authors: Bramham L. ; Pyke K.
      Abstract: AbstractWhilst plastids are fundamental to many aspects of plant biology and the production of enhanced crop cultivars, research into the dynamics of non-green plastids has remained somewhat disregarded by the scientific community compared to chloroplasts. They are equally pivotal to normal plant development however, and are now increasingly becoming the focus of research made possible by genetic manipulation and reporter gene constructs.The total plastid content of all plant cells originates from small, undifferentiated plastids termed proplastids found within the meristematic regions of both root and shoot tissue. The cellular regulatory mechanisms controlling the development of plastids in young tissues are poorly understood, especially in the case of non-green plastids in roots. This investigation consequently aimed to elucidate the differences in plastid content, morphology and subcellular localization within epidermal cells derived from the root and shoot apical meristems (RAM and SAM respectively) of Arabidopsis thaliana.Quantification of non-green plastids was facilitated via the use of confocal laser scanning microscopy in conjunction with the expression of plastid-targeted green fluorescent protein driven by a constitutive promoter. Characterization of early seedling development and tissue diversification was also achieved by assessing epidermal cell size relative to developmental progression, ultimately facilitating comparative analyses of plastid dynamics on both a temporal and tissue-varietal basis.The number of plastids in epidermal cells within RAM-derived tissue was shown to increase across regions of cell division before being regulated throughout subsequent zones of elongation and maturing root tissue. In contrast, epidermal cells of the hypocotyl exhibit a more generalized increase in plastid number and less strict maintenance of cell plan area coverage during tissue expansion.The findings presented here suggest the functioning of distinct mechanisms regulating plastid division and growth in relation to cell size within shoot and root apical meristem-derived tissues.
      PubDate: 2017-02-18
      DOI: 10.1093/biohorizons/hzx001
       
  • Evolution of salivary secretions in haematophagous animals

    • Authors: Ware FL; Luck MR.
      Abstract: AbstractHaemostasis is the prevention of blood fluidity in vertebrates and is the first stage of wound healing. Haematophagous animals use the blood of vertebrates as their sole source of nutrition and have evolved many salivary constituents to counteract the haemostatic response of their prey. These animals and their saliva have been studied for many years, with some applications in medicine. The purpose of this study is to compare the salivary constituents of leeches (Hirudinae), ticks (Argasidae and Ixodidae) and vampire bats (Desmodontinae) and to consider their evolutionary origin. Salivary constituents include plasminogen activators (PAs), anticoagulants (activated factor X, FXa; inhibitors), vasodilators, platelet aggregation inhibitors (PAgI) and thrombin inhibitors. The animals studied all tend to possess an anticoagulant and a form of apyrase (PAgI) to assist with blood feeding. Ticks and vampire bats have a form of PA but the leech does not. The vampire bat has a PAgI but no vasodilator. The animals studied are from taxonomically unrelated groups but exploit similar mechanisms of action to facilitate their haematophagy. Given that the haematophagous lifestyle of these animals developed much later than their common ancestors, we conclude that their mechanisms for haematophagy have arisen by convergent evolution. Some molecules, e.g. serine proteases found in invertebrate saliva, are probably derived from a common ancestral gene. The possible paths that have led to evolution of vampire bat salivary components are considered. Further research into the homology of these salivary constituents is required to give insight into how these animals adapted to haematophagy and their further therapeutic potential.
      PubDate: 2017-02-14
      DOI: 10.1093/biohorizons/hzw015
       
 
 
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