Pten breast cancer survival

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J Environ Pathol Toxicol Oncol. These results suggest that PTEN may play important roles in colorectal cancer cell proliferation and migration. Exp Hematol. In response to nutrients and growth factors, mTORC1 is known to control cellular growth by regulating the translational regulators S6 kinase 1 and 4E binding protein 1, whereas mTORC2 mediates cell proliferation and survival by activating Akt through phosphorylation at Ser Studies have shown that the deregulation of mTORC2 leads to the development of myeloproliferative disorder and leukemia in the phosphatase and tensin homolog deleted on chromosome ten PTEN -deleted mouse model. However, the mechanism by which mTORC2 specifically affects leukemogenesis is still not fully understood.
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Understanding Breast Cancer Survival Rates

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PTEN | Cancer Genetics Web

Common features of this condition include a large head size macrocephaly , multiple noncancerous tumors and tumor-like growths called hamartomas, and dark freckles on the penis in males. Bannayan-Riley-Ruvalcaba syndrome is one of several related conditions that are often considered together as PTEN hamartoma tumor syndrome described below. Other mutations result in an abnormally short enzyme or reduce the amount of enzyme that is produced. In about 10 percent of cases, Bannayan-Riley-Ruvalcaba syndrome results from the deletion of a large amount of genetic material that includes part or all of the PTEN gene. All of these genetic changes prevent the PTEN enzyme from regulating cell proliferation effectively, which can lead to uncontrolled cell growth and the formation of hamartomas and other types of tumors. Cowden syndrome Researchers have identified more than mutations in the PTEN gene that can cause Cowden syndrome or a similar disorder called Cowden-like syndrome.
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PTEN deficiency: a role in mammary carcinogenesis

Since these molecules have previously been shown to mediate antagonistic mechanisms, their associations with clinicopathologic features were examined. Cowden's disease is a hereditary cancer predisposition syndrome that is associated with an elevated risk of breast and thyroid cancer. In the present study, the frequency of breast cancer with loss of PTEN expression was
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Introduction Hereditary predisposition to breast cancer is caused by variation in multiple genes affecting the cancer risk with varying penetrance. Mutations in the main high penetrance genes BRCA1 and BRCA2 are mostly found in families with multiple breast cancer cases particularly with early onset and with ovarian cancer [ 1 , 2 ], and may also affect breast cancer survival among the mutation carriers [ 3 , 4 ]. Strong familial breast cancer predisposition is also present in rare cancer syndromes. Rare germline mutations in the TP53 gene cause Li-Fraumeni syndrome with highly increased risk for various malignancies, including breast cancer [ 5 ]; whereas a common TP53 variant in the population, R72P with functional effect on p53 protein, has been shown to affect breast cancer survival [ 6 , 7 ].

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