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Pten endometrial cancer. Endometrial cancer ec is the most common gynecological malignancy in developed countries. The uterus is the hollow pear shaped pelvic organ where fetal development occurs. However this approach fails to address the epigenetic mechanisms that contribute to functional pten loss.
Researchers have identified more than. Endometrial cancer is a type of cancer that begins in the uterus. Furthermore pten mutation also causes a variety of inherited predispositions to cancer.
We compared pten expression via immunohistochemistry ihc in endometrial biopsies diagnosed as eh in 138 cases who were diagnosed with eh and then endometrial carcinoma at least 1 year later median 6 years and 241 individually matched controls who were. Sanger sequencing has been considered to be the gold standard for detection of pten sequence abnormalities. Other symptoms include pain with urination pain during sexual intercourse or pelvic pain.
And reduced expression is found in many other tumor types such as lung and breast cancer. Endometrial cancer is sometimes called uterine cancer. However pten mutation and its prognostic value in ec remained debated.
Endometrial cancer is a cancer that arises from the endometrium the lining of the uterus or womb. The first sign is most often vaginal bleeding not associated with a menstrual period. Pten is a tumor suppressor that negatively regulates the pi3k akt signaling pathway which is implicated in the pathogenesis of endometrial carcinoma.
Meanwhile the distribution of pten mutation as well as its correlation with clinical characteristics and tumor immune infiltrating cells is still poorly understood. Inactivation of pten tumor suppressor gene is common in endometrial carcinoma and its precursor atypical endometrial hyperplasia eh. Researchers have identified more than 300 mutations in the pten gene that can cause cowden syndrome or a similar disorder called cowden like syndrome.
These conditions are characterized by the growth of multiple hamartomas and an increased risk of developing certain cancers particularly breast cancer thyroid cancer and cancer of the uterine lining endometrial cancer. Inheriting a mutated pten gene means you may be at greater risk for breast cancer thyroid cancer uterine cancer colon cancer prostate cancer and brain tumors. Endometrial carcinoma ec is a genetic disease normally accompanied by gene mutations or abnormal expression patterns.
1 while patients with early stage and low risk disease present an excellent prognosis with five year survival rates of over 95 women with advanced recurrent and metastatic ec have extremely poor outcomes owing to the low response rate to standard systemic chemotherapy. Notably there was a correlation between the scores of p53 and pten co expression and the age of the patients p0008 and histologic grade p0.
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