نتایج جستجو برای: sporadic breast tumor
تعداد نتایج: 653595 فیلتر نتایج به سال:
breast cancer is the most common cause of cancer-related death in female, after lung cancer. angiogenesis is essential for tumor growth and metastasis; therefore, antiangiogenesis strategies for treatment of cancer are currently an issue of interest. the role of vascular endothelial growth factor that assumed to be most potent angiogenesis factor is ambiguous in breast cancer. this study descri...
background: in recent years, epidemiologic and laboratory studies have implied that vitamin d deficiency has a role in the pathogenesis of breast cancer. it has shown that vitamin d can prevent tumor progression induced by carcinogens and inhibit the carcinogenic effects of high fat diet on breast tissue and growth of tumor cells. this study aimed to evaluate serum 25-hydroxyvitamin d level and...
Most inherited cancer syndromes are characterized by the familial clustering of cancers at several organ sites. To determine if cancers, other than pancreatic cancer, cluster in pancreatic cancer kindreds, we examined mortality patterns among the relatives of National Familial Pancreatic Tumor Registry probands. Over 200,000 person-years of follow-up from 8,564 first-degree relatives of proband...
breast cancer patients are susceptible to infections such as candidiasis. due to the importance and the role of matrix metalloproteinases (mmp) in breast cancer progression and its correlation with tumor metastasis, we analyzed the serum level of mmps -2, -3, -9 and tissue inhibitor of matrix metalloproteinase-1 (timp-1) in breast cancer bearing mice in the presence of systemic candida ...
PTEN is a well-described predisposition gene for Cowden syndrome (CS), a familial cancer syndrome characterized by a high risk of breast and other cancers. KLLN, which shares a bidirectional promoter with PTEN, causes cell cycle arrest and apoptosis. We previously identified germline hypermethylation of the KLLN promoter in 37% of PTEN mutation-negative CS/CS-like (CSL) patients. Patients with ...
Background: Breast cancer may be induced by activation of protooncogenes to oncogenes and in many cases inactivation of tumor suppressor genes. Ataxia telangiectasia mutated (ATM) is an important tumor suppressor gene which plays central roles in the maintenance of genomic integrity by activating cell cycle checkpoints and promoting repair of double-strand breaks of DNA. In breast cancer, decre...
Chemotherapy is still the leader option for cancer treatment. Nevertheless some patients develop chemotherapy resistance. One major research goal is to identify the critical genes involved in chemotherapy response to predict the best therapy option for patients. Germline mutations in the BReast Cancer susceptibility gene (BRCA1) are associated to increased risk of developing breast, ovarian and...
Background & Objectives: Breast cancer is nowadays one of the most harmful threats to women’s health. However, exercise training plays an adjuvant role in breast cancer (Adjuvant also means preventive. So, no need to repeat preventing.). Therefore, the aim of this study is to investigate the effect of 6-week endurance training on the levels of interleukin-8 in the tumor and Interleukin-17 in th...
Epimutation is defined as abnormal transcriptional repression of active genes and/or abnormal activation of usually repressed genes caused by errors in epigenetic gene repression. Epimutation arises in somatic cells and the germline, and constitutional epimutation may also occur. Epimutation is the first step of tumorigenesis and can be a direct c...
Paraneoplastic syndromes (PNS) are a heterogeneous group of symptoms which are indirectly caused by primary or metastatic tumor. Paraneoplastic polyneuropathy (PNP) is mostly related to small cell lung cancer (5%), prostate, gastric, and breast cancer. Only sporadic cases have been reported to be associated with endometrial cancer. We present a case of a premenopausal woman with severe vasculit...
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