نتایج جستجو برای: q27
تعداد نتایج: 214 فیلتر نتایج به سال:
Basal cell carcinoma is the most common human cancer with increasing incidence reported worldwide. Despite the aberrant signaling role of the Hedgehog pathway, little is known about the genetic mechanisms underlying basal cell carcinomas. Towards a better understanding of global genetic events, we have employed the Affymetrix Mapping 10K single nucleotide polymorphism (SNP) microarray technique...
The development of human breast cancer is a complex multi-step process that depends on various exogenous and endogenous factors that modulate the transformation of normal human breast epithelial cells into neoplastic ones. Using a spontaneously-immortalized human breast epithelial (MCF-10F) cell line, we have shown previously that radiation, in combination with estrogen, induces a stepwise neop...
A positive family history is a recognized cardiovascular risk factor, and genome-wide scans may reveal susceptibility loci for coronary artery disease. The acute coronary syndrome, consisting of myocardial infarction and unstable angina, is the most important manifestation of coronary disease and is characterized by atherosclerotic plaque disruption and coronary thrombosis. From approximately 6...
در مطالعهی حاضر، با توجه به بحث اجرای مرحله دوم هدفمندی یارانهها از یک طرف و اهمیت اشتغال از طرف دیگر، به پیشبینی اشتغال بخشهای اقتصادی ایران از جمله بخش کشاورزی پس از آزادسازی کامل قیمت حاملهای انرژی پرداخته شده است. برای این منظور از جدیدترین جدول داده- ستانده موجود(جدول 65 بخشی سال 1385) استفاده شد. بر اساس نتایج، اشتغال کل 232/6 درصد کاهش یافت. بیشترین کاهش اشتغال در بخش انواع کود و ...
Hemophilia B is an X-linked disease caused by a functional deficiency in coagulation factor IX. A cDNA clone corresponding to factor IX has been used to detect homologous sequences in the human genome. All DNA fragments hybridizing to the probe, under medium- or high-stringency conditions, are X-linked, and the patterns obtained suggest that a single large (greater than or equal to 20 kilobases...
Ring chromosome 6, especially if it is de novo, is a rare occurrence. The phenotype of patients with ring chromosome 6 can be highly variable ranging from almost normal to severe malformations and mental retardation. The size and structure of the ring chromosome as well as the level of mosaicism are important factors in determining the clinical phenotype. Here we report an eight month-old child...
Streptococcus pneumoniae is a major human pathogen responsible for massive global morbidity and mortality. The pneumococcus attaches a variety of proteins to its cell surface, many of which contribute to virulence; one such family are the polyhistidine triad (Pht) proteins PhtA, PhtB, PhtD, and PhtE. In this study, we have examined the mechanism of Pht surface attachment using PhtD as a model. ...
Translocations involving chromosome 11q23 frequently occur in pediatric acute myeloid leukemia (AML) and are associated with poor prognosis. In most cases, the MLL gene is involved, and more than 50 translocation partners have been described. Clinical outcome data of the 11q23-rearranged subgroups are scarce because most 11q23 series are too small for meaningful analysis of subgroups, although ...
Partner sites of 14q32 translocations found in B-cell malignancies were detected by fluorescence in situ hybridization (FISH) using yeast artificial chromosome (YAC) clones, Y20 and Y6, containing the human Ig heavy chain (IgH) gene locus. Y20 spans a 160-kb upstream and 40-kb downstream region of the JH segments on chromosome band 14q32.33. Y6 is 300-kb upstream of Y20, and spans a further 320...
CD5(+) diffuse large B-cell lymphomas (DLBLs) have recently been described as a particular subgroup of DLBLs. Classical banding and interphase cytogenetic analyses targeting ATM, TP53, and P16(INK4a) genes and the D13S25 locus from 13 CD5(+) DLBLs were compared with 55 CD5(-) DLBLs. Additionally, analysis of somatic mutations of the immunoglobulin heavy chain variable region (IgVH) genes were p...
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