نتایج جستجو برای: hfe gene

تعداد نتایج: 1142155  

Gholam Ali Jafari , Kambiz Davari , Koorosh Kamali , Majid Farshdousti Hagh , Mohammad Soleiman Soltanpour ,

Background: Co-inheritance of hemochromatosis (HFE) gene mutations may play an essential role in the pathogenesis of iron overload in beta-thalassemia major (BTM) patients. The present study aimed to investigate the prevalence of HFE C282Y and H63D mutations in BTM patients and their correlation with some demographic data and biochemical iron markers. Materials and Methods: The study populat...

Journal: :The Journal of nutrition 2011
Wint Nandar James R Connor

Iron accumulation in the brain and increased oxidative stress are consistent observations in many neurodegenerative diseases. Thus, we have begun examination into gene mutations or allelic variants that could be associated with loss of iron homeostasis. One of the mechanisms leading to iron overload is a mutation in the HFE gene, which is involved in iron metabolism. The 2 most common HFE gene ...

Journal: :فصلنامه علوم پزشکی دانشگاه آزاد اسلامی واحد پزشکی تهران 0
آگاه محمدرضا agah mr research center for gastroenterology and liver diseases, shaheed beheshti university of medical sciences, tehran, iranمرکز تحقیقات بیماری های گوارش و کبد، دانشگاه علوم پزشکی شهید بهشتی ظفرقندی مریم zafarghandi m research center for gastroenterology and liver diseases, shaheed beheshti university of medical sciences, tehran, iranمرکز تحقیقات بیماری های گوارش و کبد، دانشگاه علوم پزشکی شهید بهشتی مطهری زهرا motahari z research center for gastroenterology and liver diseases, shaheed beheshti university of medical sciences, tehran, iranمرکز تحقیقات بیماری های گوارش و کبد، دانشگاه علوم پزشکی شهید بهشتی جزایری هانیه السادات jazaeri h research center for gastroenterology and liver diseases, shaheed beheshti university of medical sciences, tehran, iranمرکز تحقیقات بیماری های گوارش و کبد، دانشگاه علوم پزشکی شهید بهشتی زالی محمدرضا hajibeigi b research center of iranian blood transfusion organization, tehran, iranمرکز تحقیقات سازمان انتقال خون ایران حاجی بیگی بشیر attarchy z research center of iranian blood transfusion organization, tehran, iranمرکز تحقیقات سازمان انتقال خون ایران عطارچی زهره

background: there are no data on the frequency and biochemical expression of the hemochromatosis associated mutations, c282y and h63d, in iranian adult population. this is the first study among iranians that may advocate a screening program. materials and methods: we investigated the frequency of the c282y/h63d hfe gene mutations in a group of 1029 randomly selected iranian blood donors as well...

Journal: :iranian red crescent medical journal 0
sina gerayli department of biology, faculty of sciences, ferdowsi university of mashhad, mashhad, ir iran; department of biology, western university, london, ontario, n6a 5b7, canada alireza pasdar department of modern sciences and technologies, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran; division of applied medicine, medical school, university of aberdeen, foresterhill, aberdeen, ab25 2zd, uk mohammad taghi shakeri department of biostatistics, public health school, mashhad university of medical sciences, mashhad, ir iran samaneh sepahi targeted drug delivery research center, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran seyed mousalreza hoseini department of gastroenterology and hepatology, ghaem hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran mitra ahadi department of gastroenterology and hepatology, ghaem hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran

conclusions polymorphism in the hemochromatosis gene may confer some degree of risk for hcv infection, and individuals carrying the h and c alleles may be susceptible to this disease; however, a larger sample of hcv patients and healthy individuals may be necessary to further illustrate the role of these polymorphisms in hcv. patients and methods hfe gene polymorphisms were examined in a total ...

Journal: :Blood 2000
G Montosi P Paglia C Garuti C A Guzman J M Bastin M P Colombo A Pietrangelo

Hereditary hemochromatosis (HC) is one of the most common single-gene hereditary diseases. A phenotypic hallmark of HC is low iron in reticuloendothelial cells in spite of body iron overload. Most patients with HC have the same mutation, a change of cysteine at position 282 to tyrosine (C282Y) in the HFE protein. The role of HFE in iron metabolism and the basis for the phenotypic abnormalities ...

Journal: :Stroke 2002
Omer T Njajou Monika Hollander Peter J Koudstaal Albert Hofman Jacqueline C M Witteman Monique M B Breteler Cornelia M van Duijn

BACKGROUND AND PURPOSE Increased serum iron is found to be a risk factor for stroke. Carriers of HFE C282Y and H63D mutations have elevated serum iron levels and may have an increased risk for stroke. We studied the association between HFE gene mutations, carotid atherosclerosis, and stroke. METHODS We compared the frequency of the HFE C282Y and H63D gene mutations in 202 prevalent and incide...

2017
Sang Y Lee Junjia Zhu Anna C Salzberg Bo Zhang Dajiang J Liu Joshua E Muscat Sara T Langan James R Connor

Human hemochromatosis protein (HFE) is involved in iron metabolism. Two major HFE polymorphisms, H63D and C282Y, have been associated with an increased risk of cancers. Previously, we reported decreased gender effects in overall survival based on H63D or C282Y HFE polymorphisms patients with glioblastoma multiforme (GBM). However, the effect of other single nucleotide variation (SNV) in the HFE...

2016
Laurence Britton Lesley Jaskowski Kim Bridle Nishreen Santrampurwala Janske Reiling Nick Musgrave V. Nathan Subramaniam Darrell Crawford

Heterozygous mutations of the Hfe gene have been proposed as cofactors in the development and progression of nonalcoholic fatty liver disease (NAFLD). Homozygous Hfe deletion previously has been shown to lead to dysregulated hepatic lipid metabolism and accentuated liver injury in a dietary mouse model of NAFLD We sought to establish whether heterozygous deletion of Hfe is sufficient to promote...

Journal: :Annals of internal medicine 2000
H B El-Serag J M Inadomi K V Kowdley

BACKGROUND Screening for hereditary hemochromatosis is traditionally done by using serum iron studies. However, mutation analysis of the hemochromatosis-associated HFE gene has recently become available. OBJECTIVE To compare the cost-effectiveness of no screening with four screening strategies that incorporate HFE gene testing or serum iron studies. DESIGN Cost-effectiveness analysis. DAT...

Journal: :Journal of the National Cancer Institute 2003
Nicholas J Shaheen Lawrence M Silverman Temitope Keku Laura B Lawrence Elizabeth M Rohlfs Christopher F Martin Joseph Galanko Robert S Sandler

BACKGROUND Iron is a pro-oxidant that may promote carcinogenesis. Mutations in the hemochromatosis (HFE) gene are associated with increased total body iron stores in some individuals. We assessed the risk of colon cancer among individuals with and without HFE gene mutations. METHODS We performed a population-based, case-control study in North Carolina. Case patients with colon cancer and cont...

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