نتایج جستجو برای: پروتئین انسانی bcl11a
تعداد نتایج: 55730 فیلتر نتایج به سال:
هدف: bmp-7 عامل رشد چند منظورهای است که اغلب به دلیل خواص استخوانزایی خود شناخته شده است. به دلیل قیمت بالا، دسترسی به این پروتئین برای مصارف درمانی محدود است. تاکنون تولید هترولوگ پروتئین نوترکیب bmp-7 در تعدادی از سیستمهای بیانی انجام یافته است. در مطالعه حاضر شکل جدیدی از پروتئین در میزبانهای پروکاریوتی و یوکاریوتی بیان شده است. مواد و روشها: برای بیان در سیستم بیانی پروکاریوتی، پروتئین...
The Ldb1/GATA-1/TAL1/LMO2 complex mediates long-range interaction between the -globin locus control region (LCR) and gene in adult mouse erythroid cells, but whether this complex mediates chromatin interactions at other developmental stages or in human cells is unknown. We investigated NLI (Ldb1 homolog) complex occupancy and chromatin conformation of the -globin locus in human erythroid cells....
Fetal hemoglobin (HbF) is a recognized modulator of sickle cell disease (SCD) severity. HbF levels are strongly influenced by genetic variants at three major genetic loci, Xmn1-HBG2, HMIP-2, and BCL11A, but the effect of these loci on the hematological phenotype in SCD, has so far not been investigated. In a cohort of individuals with SCD in Tanzania (HbSS and HbS/β° thalassemia, n = 726, aged ...
The human embryonic, fetal and adult β-like globin genes provide a paradigm for tissue- and developmental stage-specific gene regulation. The fetal γ-globin gene is expressed in fetal erythroid cells but is repressed in adult erythroid cells. The molecular mechanism underlying this transcriptional switch during erythroid development is not completely understood. Here, we used a combination of i...
This study aimed to evaluate correlations between lymphovascular invasion (LVI) and the expression of estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor-2 (HER-2), Ki-67, CK5/6, epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), E-cadherin, BCL11A and P53 in invasive breast cancer and to identify predictors of LVI based on...
OBJECTIVES β-thalassemia is one of the most common genetic disorders in the world. As one of the promising treatment strategies, fetal hemoglobin (Hb F) can be induced. The present study was an attempt to reactivate the γ-globin gene by introducing a gene construct containing KLF1 binding sites to the K562 cell line. MATERIALS AND METHODS A plasmid containing a 192 bp sequence with two repeat...
Fetal hemoglobin (HbF) is regulated as a multigenic trait. By genome-wide association study, we confirmed that HBS1L-MYB intergenic polymorphisms (HMIP) and BCL11A polymorphisms are highly associated with HbF in Chinese β-thalassemia heterozygotes. In this population, the variance in HbF resulting from the HMIP is 13.5%; that resulting from the BCL11A polymorphism is 6.4%. To identify the funct...
UNLABELLED Although increased fetal hemoglobin (HbF) levels have proven benefit for people with β-hemoglobinopathies, all current HbF-inducing agents have limitations. We previously reported that drugs that activate the NRF2 antioxidant response signaling pathway increase HbF in primary human erythroid cells. In an attempt to increase HbF levels achieved with NRF2 activators, in the present stu...
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