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Journal Cover American Journal of Medical and Biological Research
  [5 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2328-4080 - ISSN (Online) 2328-4099
   Published by Science and Education Publishing Homepage  [72 journals]
  • Characterization of Pollen Specific Proteins SF3 and SF21 from Sunflower
           (Helianthus annuus L.) for the Allergenicity Potential

    • Authors: Ezekiel Amri
      Pages: 13 - 19
      Abstract: Pollen from different type of plants carry different proteins that are more likely to become allergenic than others. In this study pollen specific proteins SF3 and SF21 from Sunflower (Helianthus annuus) were in-silico characterized for allergenicity potential. Bioinformatics allergen prediction tools were employed for prediction of SF3 and SF21 as candidate allergens. The phylogenetic relationship between the pollen specific proteins and protein allergens of Asteraceae family was also analyzed to unveil their similarity. The results by Bepipred Linear Epitope prediction demonstrated a good number of epitopes in pollen specific protein SF3 and SF21 signifying that both are potential allergens. However, further analysis through ConSurf revealed the presence of allergen-specific patches with remarkably higher proportion of surface-exposed hydrophobic residue in SF3 than SF21. Further prediction by AlgPred and ProAp methods with Support Vector Machines (SVMs) revealed that only SF3 contained IgE epitope thus confirming it as a potential allergen. The phylogenetic analysis revealed a close identity of SF3 with the major allergen of Ambrosia artemisiifolia pollen, Amb a 3. The study has demonstrated high allergenic activity of SF3 protein with shared similarity with the pollen protein allergens of Asteraceae family. This study forms a basis in predicting cross-reactivity of pollen specific proteins, designing of therapeutic procedures and evaluating the allergenic potential of novel proteins.
      PubDate: 2016-4-8
      Issue No: Vol. 4, No. 2 (2016)
       
  • Plasma Cytokine Profiles as Predictive Biomarkers of HIV and Aids
           Progression among HIV Patients Attending Nakuru Provincial General
           Hospital, Kenya

    • Authors: Jane Nyambura Mugwe; Michael M. Gicheru, Joseph Mwatha
      Pages: 20 - 25
      Abstract: Introduction: Cytokines are produced by many cell types, mostly cells of the immune system, and act on diverse targets, often the white blood cells. They play a central role in the pathogenesis of many diseases including Acquired Immunodeficiency Disease Syndrome (AIDS). They reflect the local or systemic inflammatory setting, and could serve as predictive biomarkers in Human Immunodeficiency Virus (HIV) disease progression. Objective: The aim of this study was to identify cytokines measureable in blood plasma in recently diagnosed HIV individuals before the commencement of antiretroviral therapy. Study Population: Eighty individuals, both males and females, were recruited for this study that comprised of forty newly diagnosed with HIV-1; twenty HIV negative individuals; and twenty HIV positive individuals currently on highly active antiretroviral therapy (HAART). Method: Cytokines were measured using multiplex cytokine immunoassay. Five types of cytokines were detected. Data analyses were performed using Graph Pad Prism 6. Independent sample T tests were used to compare the cytokine means while Spearman Rank tests were used to test for correlations. Statistical analysis were done using SPSS version 17. Results: The study showed significantly (p=
      PubDate: 2016-5-26
      Issue No: Vol. 4, No. 2 (2016)
       
 
 
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