Journal
PATHOLOGY & ONCOLOGY RESEARCH
Volume 26, Issue 1, Pages 507-513Publisher
SPRINGER
DOI: 10.1007/s12253-018-0540-3
Keywords
Thyroid Cancer; TSH; Papillary thyroid cancer; Kashmir Valley; RET; PTC rearrangement
Funding
- Department of Biotechnology, Ministry of Science and Technology, Govt. of India [BT/PR4626/MED/30/702/2012 dated: 07.08.2013] Funding Source: Medline
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Rearranged during transfection (RET) is a proto oncogene implicated in thyroid carcinogenesis of papillary type (PTC). The RET proto-oncogene in PTC is constitutively activated by fusion of its tyrosine kinase domain with the 5 ' region of another gene thereby generating chimeric products collectively named RET/PTCs. RET/PTC1 and RET/PTC3 are best characterized among all RET/PTC rearrangements. Kashmir valley has witnessed an alarming increase in thyroid cancer incidence in young women. Therefore, we investigated the occurrence of RET/PTC 1 & 3 rearrangements by semi quantitative and qPCR in thyroid cancer patients (n = 48) of Kashmiri population and interrelated results with various clinicopathological characteristics. We observed that all the RET/PTC rearrangements were confined to PTC cases (10/40). Presence of RET/PTC rearrangement significantly correlated with gender, elevated TSH levels and lymph node metastasis. Overall, our study advocates that RET/PTC3 rearrangement is a frequent event in the carcinogenesis of thyroid gland in Kashmiri population although a study with a larger sample size is needed to get a clear scenario.
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