نتایج جستجو برای: polymorphisms

تعداد نتایج: 66841  

Journal: :Nowotwory 2023

Introduction. Triple-negative breast cancer (TNBC) is characterized by a lack of oestrogen, progesterone and human epidermal growth factor receptors. It the one most heterogeneous highly-aggressive cancers, resulting in fast progression. In humans, lymphocyte activation gene 3 ( LAG3 ) located on chromosome 12p13 encodes an immune-regulatory molecule. The aim study was to perform molecular anal...

Journal: :Journal of Clinical and Experimental Investigations 2022

The distribution of factor V Leiden G1691A, II G20210A, MTHFR C677T, and H1299R polymorphisms known to predispose thrombophilia in 215 cases 40 controls admitted with indication recurrent pregnancy loss (RPL) was investigated. Genotyping performed by melting curve analysis using simultaneous PCR (RT-PCR). There no difference between genotype allele frequencies the case control groups terms exam...

Journal: :modares journal of medical sciences: pathobiology 2008
bahareh abd nikfarjam zahra amirghofran eskandar kamali

objective: in peripheral blood polymorphonuclear and mononuclear cells nitric oxide (no) could be synthesized by an enzyme called inducible no synthase (inos). inos gene (nos2a) is located on chromosome 17 at position 17q11.2-q12. no is released during inflammatory responses. in the present studies the frequency of nos2a gene polymorphisms and their effects on no production were investigated in...

Journal: :hepatitis monthly 0
zhifeng lin department of epidemiology and health statistics, school of public health, guangdong pharmaceutical university, guangzhou, china junguo zhang department of epidemiology and health statistics, school of public health, guangdong pharmaceutical university, guangzhou, china xiaomin ma department of epidemiology and health statistics, school of public health, guangdong pharmaceutical university, guangzhou, china shuo yang department of epidemiology and health statistics, school of public health, guangdong pharmaceutical university, guangzhou, china nana tian department of epidemiology and health statistics, school of public health, guangdong pharmaceutical university, guangzhou, china xinqi lin department of epidemiology and health statistics, school of public health, guangdong pharmaceutical university, guangzhou, china

conclusions this study supports the idea that the ifnl3 gene is an important predictor of the response of chb patients to ifn therapy. results nine studies of 1602 chb patients receiving ifn treatment were included. under the random-effects model, patients expressing the variant rs12980275 showed a significantly increased response to ifn therapy (or = 2.85; 95% ci = 1.14 - 4.60). in the subgrou...

Journal: :iranian journal of medical sciences 0
shekufeh golkhu mahboobe ghaed narges mohammad taghvaie mohammad ali boroumand gholamreza davoodi alireza aminzadegan

estrogen might play an important role in the pathogenesis of diabetes mellitus type 2. estrogens inhibit diabetes via distinct mechanisms particularly by reducing both hyperglycemia and plasma insulin levels. estrogen exerts its physiological effects mainly through estrogen receptors including α and β types. estrogen receptors are found in many tissues that participate in the pathogenesis of ty...

Journal: :International Journal of Technology: IJ Tech 2022

Hypertension has relatively large morbidity and mortality rates throughout the world, including in Indonesia. The prevalence of hypertension tends to be greater patients with a family history hypertension. This is thought influenced by polymorphisms

بیرانوند, الهام , جیواد, فرشته , حسن نیا, هادی , رفیعی, علیرضا , عابدیان کناری, سعید , غفاری, جواد , یزدانی, جمشید ,

Background and purpose: Âllergic rhinitis is one symptomatic nasal disorders induced after contact with allergen in atopic individuals. Ït leads to ÏgË-mediated inflammation of the membranes lining the nose. Ïn addition to environmental factors, genetic predispositions play an important part in susceptibility to this disease. The aim of the present study was to determine the association betwe...

Journal: :hepatitis monthly 0
tatiana kuznetsova department of virology, national institute for health development, tallinn, estonia tatjana tallo department of virology, national institute for health development, tallinn, estonia; department of diagnostics and vaccine, unit for molecular typing, swedish institute for communicable disease control, stockholm, sweden vadim brjalin department of internal medicine, west-tallinn central hospital, tallinn, estonia; department of internal medicine, west-tallinn central hospital, paldiski road 68, 10617, tallinn, estonia. tel: +372-6511472, fax: +-372-6511472 irina reshetnjak department of virology, national institute for health development, tallinn, estonia riina salupere department of internal medicine, university of tartu, tartu, estonia ljudmilla priimagi department of virology, national institute for health development, tallinn, estonia

objectives analysis of ns5a polymorphisms in hcv genotype 1b pre-treatment serum samples from estonian patients and their effect on the treatment response. patients and methods twenty-nine complete ns5a sequences obtained from patients with chronic hcv-1b infection who had received combined therapy with pegifnα-2a/rbv were analyzed and compared with the prototype strain hcv-j. twelve patients a...

Journal: :international journal of reproductive biomedicine 0
zohreh hojati fatemeh nouri emamzadeh fariba dehghanian

background: some dynamic changes occurs during spermatogenesis such as histone removal and its replacement with transition nuclear protein and protamine. these proteins are required for packing and condensation of sperm chromatin. jhdm2a is a histone demethylase that directly binds to promoter regions of tnp1 and prm1 genes and controls their expression by removing h3k9 at their promoters.objec...

Journal: :iranian journal of cancer prevention 0
nf osman tl holyoake a zeineldin aa elkordy ig mcquaker

abstract objectives: tumour necrosis factor α (tnfα) and lymphotoxin α (ltα) have been implicated in the pathogenesis of lymphoproliferative disorders. patients with b-cell non-hodgkin’s lymphoma (nhl) often have high serum levels of tnf which may be associated with a poor outcome. tnfα and ltα polymorphisms are known to influence expression of these cytokines and may explain the variable respo...

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