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RISS 인기검색어
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- 저자 : Jinawath, Natini (검색결과 2 건)
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Vorachai Sirikulchayanonta,Arthit Jinawath,Suphaneewan Jaovisidha 대한영상의학회 2010 Korean Journal of Radiology Vol.11 No.6
An epithelioid hemangioma involving three contiguous bones in continuity has, to the best of our knowledge, not been reported in the literature. A case of a 48-year-old man presented with radiating pain to the lower thoracic region for two years. A radiograph and CT scan revealed both permeative osteolytic and multiple trabeculated lesions involving the left posterior part of the 10th rib as well as the 9th and 10th vertebral bodies in continuity and was misled as a malignant or infectious lesion. The histopathology and immuno-histochemistry of the lesion confirmed the diagnosis of an epithelioid hemangioma. The lesion was still stable as of three years after surgery.
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Choi, Jung Hye,Sheu, Jim Jinn-Chyuan,Guan, Bin,Jinawath, Natini,Markowski, Paul,Wang, Tian-Li,Shih, Ie-Ming American Association for Cancer Research 2009 Cancer Research Vol.69 No.4
<P>The chromosome 11q13.5 locus is frequently amplified in several types of human cancer. We have previously shown that 11q13.5 amplification was associated with significantly shorter overall survival in ovarian cancer patients, but the molecular mechanisms of how amplification of this locus contributes to disease aggressiveness remain unclear. Because ovarian cancer mortality is primarily related to resistance of chemotherapeutic agents, we screened the top six candidate genes within this amplicon for their contribution to drug resistance. Rsf-1 (also known as HBXAP) was found to be the only gene in which gene knockdown sensitized tumor cells to paclitaxel. Rsf-1 has been known to interact with hSNF2H to form an ISWI chromatin remodeling complex. We found that Rsf-1 was up-regulated in paclitaxel-resistant ovarian cancer cell lines, and Rsf-1 immunoreactivity in primary ovarian carcinoma tissues correlated with in vitro paclitaxel resistance. Ectopic expression of Rsf-1 significantly enhanced paclitaxel resistance in ovarian cancer cells. Down-regulation of hSNF2H or disruption of hSNF2H and Rsf-1 interaction enhanced paclitaxel sensitivity in tumor cells with Rsf-1 up-regulation. Rsf-1 expression altered expression in several genes and activated certain signaling pathways that may contribute to drug resistance. In conclusion, our results suggest that Rsf-1 is the major gene within the 11q13.5 amplicon that contributes to paclitaxel resistance, and the formation of the Rsf-1/hSNF2H complex is required for inducing this phenotype.</P>
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