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Cheung, L.W., Henessy, B.T., Li, J., Yu, S., Myers, A.P., Djordjevic, B., Lu, Y., Stemke-Hale, K., Zhang, F., Ju, Z., Cantley, L.C., Scherer, S.E., Liang, H., Lu, K.H., Broaddus, R.R. and Mills, G.B. (2011) High Frequency of PI3KR1 and PI3KR2 Mutations in Endometrial Cancer Elucidates a Novel Mechanism for Regulation of PTEN Protein Stability. Cancer Discovery, 1, 170-185.
https://doi.org/10.1158/2159-8290.CD-11-0039

has been cited by the following article:

• TITLE: Conservative Medroxyprogesterone Acetate Therapy in Early Stage of Endometrial Carcinoma Associated with Phosphatase and Tensin Homolog Expression

  AUTHORS: Kenji Niwa, Minako Mori, Tatsuhiko Miyazaki, Takuji Tanaka, Ken-Ichiro Morishige

  KEYWORDS: Endometrial Cancer, Medroxyprogesterone Acetate, Conservative Therapy, High Relapse Rate, PTEN Retain

  JOURNAL NAME: Open Journal of Pathology, Vol.7 No.1, December 8, 2016

  ABSTRACT: Young patients with the endometrial cancer IA who desire to preserve fertility, can select the conservative therapy with progestin. However, the therapy involves risks of progression and relapse. We examined immunohistochemical analyses of phosphatase and tension homolog (PTEN) and p53 expressions to predict the early relapse, and pregnancy and delivery. Twenty women with endometrial cancer, FIGO IA (1988) (FIGO staging was essentially defined post-surgically), instead of the pathogical specimen before surgery without myometrial invasion were estimated by MRI under 40 years at Gifu University Hospital, Japan from 1988 to 2009. Patients were treated with medroxyprogesterone acetate (MPA, 400 - 600 mg/day) for 4 - 10 months, with whole wall endometrial curettage performed every four weeks. Response to the therapy, pregnancy, delivery and relapse of disease during follow-up over a 72-month period. Immunohistochemical expression of PTEN and p53 was also evaluated with pregnancy, delivery and relapse rate. All patients had pathological complete remissions within 4 - 10 months. Relapse rate was high (60%) in more than 72 months. Immunohistochemical PTEN retain in tumor cells before MPA treatment (8/10) was significant better correlation with pregnancy and delivery rate than of lost cases (1/5) in non-obese women (P