نتایج جستجو برای: single nucleotide poly morphism
تعداد نتایج: 1025175 فیلتر نتایج به سال:
background hepatitis b virus (hbv) infection is a serious public health problem in china and worldwide. mother-to-child transmission is one of hbv’s main transmission routes in highly endemic regions. genome-wide association studies (gwas) identify single nucleotide polymorphisms (snps) at hla loci as associated with hbv infection. however, the mechanisms of hbv perinatal transmission and break...
objective(s):organic anion transporter polypeptide 1b1 (oatp1b1) encoded by solute carrier organic transporter 1b1 (slco1b1) gene; a transporter involved in the uptake of drugs and endogenous compounds is present in hepatocyte sinusoidal membrane. aim of this study was to investigate the frequencies of functionally significant snps (388a>g and 521t>c) and their haplotypes in 6 ethnic groups of ...
conclusions rs1595065 could be recommended as a risk factor in regulating her4 expression and affecting her2 positivity incidence among bc patients. methods overall, 156 patients and controls were genotyped using rflp-pcr. armitage test for trend was utilized to investigate the association between rs1595065 and susceptibility to bc. the possible change in the interaction between rs1595065 and m...
in the present research, molecular detection of bovine leukocyte adhesion deficiency (blad) and complex vertebral malformation (cvm)in a population of iranian holstein cows has been carried outusing milk somatic cells by polymerase chain reaction-restriction fragment length polymorphism(pcr-rflp). the blad and cvm are monogenic and autosomal recessive heredity lethal syndrome in holstein-friesi...
مطالعات گذشته اثر محافظتی ویتامین d در برابر سرطان پستان را گزارش کردند که این اثر توسط گیرنده ویتامین d (vdr) میانجی گری می شود. شواهد زیادی وجود دارد که نشان می دهد که شیوع سرطان پستان با انواع پلی مورفیسم روی ژن vdr ارتباط دارد. هدف این مطالعه، بررسی ارتباط بین پلی مورفیسم در توالی poly(a) ژن vdr با سطح ویتامین d (25-هیدروکسی ویتامین d) سرم و خطر ابتلا به سرطان پستان می باشد. واکنش چند شکلی ...
Objective(s): To investigate the association of single nucleotide polymorphisms (SNPs) in the peroxisome proliferator-activated receptors gamma (PPARG) with essential hypertension (EH) and additional role of gene– high-density lipoprotein cholesterol (HDL) interaction. Materials and Methods:A total of 1640 patients with EH (806 males, 834 females), with a mean age of 52.5±12.6 years, were selec...
The structural property of a poly( dG-dC) or poly( dA-dT) nucleotide is investigated. At low force and room temperatures, the polymer takes on compact hairpin structures. An abrupt transition from hairpin to random coil occurs at certain critical forces, its high cooperativity is related to the unfavorable formation of hairpin and other kinds of looped structures. It is hence necessary to consi...
conventional methods for fungal identification in the clinical laboratory rely on morphological andphysiological tests. these tests often need several days or weeks to complete and are frequentlyunspecific. molecular identification mostly implies sequencing, which is relatively expensive andtime-consuming, as well as impractical for large numbers of isolates. the rolling circleamplification app...
background: breast cancer is the first leading cause of cancer-related death in women. pesticides which are excessively used in northern iran are one of the most important risk factors for breast cancer incidence. the cytochrome p450 1a1 (cyp1a1) is a key enzyme in xenobiotics metabolism and snps of its coding gene has been verified to be important in cancer susceptibility. the aim of this stud...
introduction: using addictive drugs can change the amount of neurotransmitters, especially dopamine and glutamate. glutamate has been known to trigger the relapse and tendency toward addictive drugs. the glutamate receptor ionotropic nmda type subunit 1 (grin1) contains the single- nucleotide polymorphism c1001g (rs11146020) and encodes n-methyl-d-aspartic acid (ndma) receptor subunit 1 (nr1). ...
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