PMID- 21139932 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20110714 LR - 20211020 IS - 2036-3613 (Electronic) IS - 2036-3605 (Print) IS - 2036-3605 (Linking) VI - 1 IP - 2 DP - 2009 Dec 28 TI - Temsirolimus in the treatment of renal cell carcinoma associated with Xp11.2 translocation/TFE gene fusion proteins: a case report and review of literature. PG - e53 LID - 10.4081/rt.2009.e53 [doi] LID - e53 AB - Xp11.2 translocation renal cell carcinomas (TRCCs) are a rare family of tumors newly recognized by the World Health Organization (WHO) in 2004. These tumors result in the fusion of partner genes to the TFE3 gene located on Xp11.2. They are most common in the pediatric population, but have been recently implicated in adult renal cell carcinoma (RCC) presenting at an early age. TFE3-mediated direct transcriptional upregulation of the Met tyrosine kinase receptor triggers dramatic activation of downstream signaling pathways including the protein kinase B (Akt)/phosphatidylinositol-3 kinase (PI3K) and mammalian target of rapamycin (mTOR) pathways. Temsirolimus is an inhibitor of mammalian target of rapamycin (mTOR) kinase, a component of intracellular signaling pathways involved in the growth and proliferation of malignant cells. Here we present a case of a 22-year old female who has been treated with temsirolimus for her Xp11.2/TFE3 gene fusion RCC. FAU - Parikh, Jigarkumar AU - Parikh J AD - Department of Medicine; FAU - Coleman, Teresa AU - Coleman T FAU - Messias, Nidia AU - Messias N FAU - Brown, James AU - Brown J LA - eng PT - Case Reports DEP - 20091228 PL - England TA - Rare Tumors JT - Rare tumors JID - 101526926 PMC - PMC2994474 OTO - NOTNLM OT - Xp11.2 translocation OT - renal cell carcinoma OT - temsirolimus. EDAT- 2009/01/01 00:00 MHDA- 2009/01/01 00:01 PMCR- 2009/12/28 CRDT- 2010/12/09 06:00 PHST- 2009/10/12 00:00 [received] PHST- 2009/10/16 00:00 [accepted] PHST- 2010/12/09 06:00 [entrez] PHST- 2009/01/01 00:00 [pubmed] PHST- 2009/01/01 00:01 [medline] PHST- 2009/12/28 00:00 [pmc-release] AID - rt.2009.e53 [pii] AID - 10.4081/rt.2009.e53 [doi] PST - epublish SO - Rare Tumors. 2009 Dec 28;1(2):e53. doi: 10.4081/rt.2009.e53.