Anjli Venkateswaran

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RET/PTC1 is a rearranged form of the RET proto-oncogene detected in human papillary thyroid carcinomas. We previously showed that thyroid-targeted expression of RET/PTC1 leads to thyroid tumor formation in Tg-PTC1 transgenic mice. Signal transduction pathways mediated by phosphotyrosine 294, 404, or 451 in RET/PTC1 have been shown to be critical for(More)
The Na(+)/I(-) symporter (NIS)-mediated iodide uptake is the basis for targeted radioiodine ablation of thyroid cancers. However, NIS-mediated radioiodide uptake (RAIU) activity is often reduced in thyroid cancers. As mitogen activated protein kinase (MAPK) signaling pathway is activated in about 70% of papillary thyroid carcinoma, we investigated whether(More)
RET/PTC1 is a rearranged form of the RET tyrosine kinase commonly seen in papillary thyroid carcinomas. It has been shown that RET/PTC1 decreases expression of the sodium/iodide symporter (NIS), the molecule that mediates radioiodide therapy for thyroid cancer. Using proteomic analysis, we identify hsp90 and its co-chaperone p50cdc37 as novel proteins(More)
BACKGROUND RET/PTC1 chromosomal rearrangement is associated with papillary thyroid carcinoma formation in children exposed to ionizing radiation. We previously created a transgenic mouse model with thyroid-targeted constitutive RET/PTC1 expression and demonstrated papillary thyroid carcinoma formation. OBJECTIVE In this study, we aimed to create a(More)
RET/PTC1, a thyroid-specific oncogene, has been reported to down-regulate sodium/iodide symporter (NIS) expression and function in vitro and in vivo. Recently, RET/PTC1 has been shown to interfere with TSH signaling at multiple levels in thyroid cells. The objective of this study was to investigate whether RET/PTC1-mediated NIS reduction can be rescued by(More)
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