نتایج جستجو برای: cdh1
تعداد نتایج: 1516 فیلتر نتایج به سال:
background: aberrant methylation of cytosine-guanine dinucleotide islands leads to inactivation of tumor suppressor genes in breast cancer. tumor suppressor genes are unmethylated in normal tissue and often become hypermethylated during tumor formation, leading to gene silencing. we investigated the association between e-cadherin ( cdh1) and estrogen receptor-α (esrα) gene promoter methylation ...
BACKGROUND The reported penetrance of germline CDH1 mutations is high in families with hereditary diffuse gastric cancer (HDGC). Men and women have a 70% and 56%, respectively, cumulative risk of developing diffuse gastric cancer by age 80. Women additionally have a 42% cumulative risk of developing breast cancer. Due to the high penetrance of these mutations, prophylactic total gastrectomy is ...
The E3 ubiquitin ligase and tumor suppressor APC/CCdh1 is crucial for cell cycle progression, development and differentiation in many cell types. However, little is known about the role of Cdh1 in hematopoiesis. Here we analyzed Cdh1 expression and function in malignant hematopoiesis. We found a significant decrease of Cdh1 in primary acute myeloid leukemia (AML) blasts compared to normal CD34+...
BACKGROUND/AIM To identify promoter methylation as a major silencing mechanism in potential precursor lesions of sporadic diffuse gastric cancer (DGC), we investigated promoter methylation of CDH1 (E-Cadherin gene) in a series of DGCs and matched normal mucosa. MATERIALS AND METHODS The extent of CDH1 gene promoter methylation was explored using methylation-specific polymerase chain reaction ...
مقدمه: اندومتریوز یک بیماری زنانه خوش خیم، وابسته به استروژن و از علت های شایع ناباروری می باشد. اندومتریوز با حضور استروما و غدد اپی تلیوم خارج از حفره رحمی تشخیص داده می شود. مشاهدات کلینیکی نشان می دهند که اندومتریوز یک بیماری تهاجمی است. تصور می شود بیان ناهنجار مولکولهای چسبنده، از قبیل کادهرین ها، نقش تعیین کننده ای در تهاجم و متاستاز محدود دارند. کادهرین ها مولکولهای چسبنده سلول - سلول ه...
IMPORTANCE E-cadherin (CDH1) is a cancer predisposition gene mutated in families meeting clinically defined hereditary diffuse gastric cancer (HDGC). Reliable estimates of cancer risk and spectrum in germline mutation carriers are essential for management. For families without CDH1 mutations, genetic-based risk stratification has not been possible, resulting in limited clinical options. OBJEC...
The importance of loss of the cell-cell adhesion molecule E-cadherin (encoded by CDH1) to tumor progression is well established. However, CDH1 germ-line mutations predispose to the cancer susceptibility syndrome hereditary diffuse gastric cancer (HDGC), suggesting a role for E-cadherin in tumor initiation. The earliest indications of cancer in the stomachs of CDH1 mutation carriers are microsco...
BACKGROUND E-cadherin/CDH1 is one of the proteins involved in cell adhesion, and it is known that decreased expression of E-cadherin induces lymph node metastasis in esophageal cancer. Beta catenin/CTNNB1, which is an important component of the Wnt signaling pathway, binds to E-cadherin at the cell membrane, where the complex of these two proteins functions in the stabilization of cell adhesion...
The anaphase-promoting complex/cyclosome (APC/C) controls a variety of cellular processes through its ability to target numerous protein substrates for timely degradation. Substrate selection by this ubiquitin ligase depends on related activator proteins, Cdc20 and Cdh1, which bind and activate the APC/C at distinct cell cycle stages. Biochemical and structural studies revealed that Cdc20 and C...
Hereditary diffuse gastric cancer is a cancer predisposition syndrome associated with germline mutations of the E-cadherin gene (CDH1; NM_004360). Male CDH1 germline mutation carriers have by the age of 80 years an estimated 70% cumulative incidence of gastric cancer, females of 56% for gastric and of 42% for lobular breast cancer. Metastatic HDGC has a poor prognosis which is worse than for sp...
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