We investigated a prognostic significance and the mechanism of aberrant nuclear expression of EZH2, a histone methyltransferase, in human renal cell carcinoma (RCC). We found nuclear EZH2 in 48 of 100 RCCs and it was significantly correlated with worse survival in RCC patients. We detected a decreased expression of miR-101 in 15 of 54 RCCs. We found that re-expression of miR-101 resulted in EZH2 depletion and decreased renal cancer cell proliferation. Our results show nuclear EZH2 as a prognostic marker of worse survival in human RCC, and identify miR-101 as a negative regulator of EZH2 expression and renal cancer cell proliferation.
Posterior retroperitoneoscopic partial nephrectomy using a microwave tissue coagulator can be a safe and less invasive method for the treatment of small posterior renal tumors.
A 67-year-old Japanese woman first visited to the hospital in regard to episodes of a 6 months history of difficulty on urination. Her perineum was mild whitish, and labia majorae were all adhered with only a pinhole-sized opening. A labial incision was performed under a spinal anesthesia. Pathological finding of the skin biopsy specimen was lichen sclerosus et atrophicus (LSA). In view of that LSA occasionally develops into squamous cell carcinoma, urologists should be care of LSA in labial adhesion case.
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