نتایج جستجو برای: cdkn2a
تعداد نتایج: 2929 فیلتر نتایج به سال:
AIM CDKN2A/2B near chromosome 9p21 has been proposed as a potential genetic etiology for both atherosclerosis and arterial calcification. DNA methylation, which can change the expression of CDKN2A/2B, may be an underlying mechanism for this association. This study aimed to evaluate whether CDKN2A/2B methylation is related to aortic arch calcification (AAC) in patients with ischemic stroke. ME...
The amplification of YWHAZ was commonly seen in bladder cancer. We explore the biological significance of YWHAZ amplification on bladder cancer, and the correlation with important other molecular events. The Cancer Genome Atlas (TCGA) database was exploited to study the impact of YWHAZ amplification on either CDKN2A or TP53 mutations. The Database for Annotation, Visualization and Integrated Di...
Clinical predictors for germline mutations of candidate genes in large clinic based population of patients with cutaneous malignant melanoma (CMM) are widely awaited. Using denaturing high-performance liquid chromatography (DHPLC) analysis and DNA sequencing, 557 consecutively-collected CMM patients originating from South Italy were screened for CDKN2A germline mutations; subsets of them were s...
PURPOSE The 9p21 locus, encoding three important tumor suppressors (p16/CDKN2A, p14/ARF, and p15/CDKN2B), is a major target of inactivation in the pathogenesis of many human tumors. PATIENTS AND METHODS To explore, at high resolution, the frequency and size of alterations affecting this locus in adult BCR-ABL1-positive acute lymphoblastic leukemia (ALL) and to investigate their prognostic val...
BACKGROUND In patients with cutaneous melanoma, early age at disease onset is characteristic in familial cases and in individuals with multiple primary melanomas. Both subsets of patients with melanoma are at risk for harboring germline CDKN2A or CDK4 mutations. OBJECTIVE We set out to prospectively determine the prevalence of CDKN2A and CDK4 mutations in a group of young patients with melano...
Approximately 5% to 10% of cases of cutaneous melanoma occur in families that have a hereditary predisposition for this disease. In 20% to 40% of such melanoma families, germline mutations in the CDKN2A gene have been identified. Apart from a high risk of melanoma, a proportion of kindreds that have familial melanoma also have an increased risk of pancreatic carcinoma. Guidelines for management...
There is increasing evidence from genome-wide association studies for a strong inherited genetic basis of susceptibility to acute lymphoblastic leukaemia (ALL) in children, yet the effects of protein-coding variants on ALL risk have not been systematically evaluated. Here we show a missense variant in CDKN2A associated with the development of ALL at genome-wide significance (rs3731249, P=9.4 × ...
Certain anatomic and functional parameters of the eye change with increasing chronological age. They may, therefore, serve as potential biomarkers of ageing. We investigated associations between four such ocular parameters (lens density, retinal vessel calibre, corneal endothelial cells and retinal nerve fibre layer thickness) and two 'cellular' biomarkers of ageing (leukocyte telomere length a...
Mutations in Cyclin-Dependent Kinase Inhibitor 2A (CDKN2A) and Cyclin-Dependent Kinase 4 (CDK4) contribute to susceptibility in approximately 40% of high-density cutaneous melanoma (CMM) families and about 2% of unselected CMM cases. BRCA-1 associated protein-1 (BAP1) has been more recently shown to predispose to CMM and uveal melanoma (UMM) in some families; however, its contribution to CMM de...
Transformation and immortalization require the inactivation of key cell cycle regulatory genes. We examined 19 bladder cancer cell lines derived from 17 patients for alterations in TP53, RB1, CDKN2A, and ARF. Twelve cell lines had a mutation in exons 5-11 of TP53 and, with only one exception, a concomitant loss of RB1 protein expression. Another group of seven cell lines had a wild-type TP53 ge...
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