ArticleAsian Pacific journal of cancer prevention : APJCP2020
Modulatory Role of Single Nucleotide Polymorphisms of Distinct Genetic Pathways on Clinical Behavior of Medullary Thyroid Carcinoma.
Article in Asian Pacific journal of cancer prevention : APJCP, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 2 citations in OpenAlex.
- Modifier Role of CommonInternational journal of molecular sciences · 2021Trial
- Molecular Basis and Natural History of Medullary Thyroid Cancer: It is (Almost) All in theCancers · 2023Review
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4 authors at 1 institution in 1 country.
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Abstract
backgroundRole of RET proto-oncogene as predisposing gene for Medullary Thyroid Carcinoma is well established which provides the basis for clinical management of patients. However clinical behavior of MTC varies considerably among patients. Several studies have investigated whether SNPs in low penetrance genes could modulate the clinical behavior of MTC but with conflicting or inconclusive results. The present study aimed to investigate the modifier effect of 13 SNPs of three distinct genetic pathways -Detoxification, Cell cycle regulation and RET on the clinico-pathological features of hereditary and sporadic MTC.
methodsSNPs were genotyped using RFLP or TaqMan method. The genotypes were correlated with various clinico-pathological parameters (age and calcitonin levels at MTC diagnosis, tumor volume, nodal and distant metastasis).
resultsNodal metastasis was the only clinico-pathological parameter showing significant association with any SNP. In the hereditary MTC group (n=77), incidence of nodal metastases was significantly higher in wild type allele for Cyp1A1m1, CDKN2A and CDKN2C (p=0.01 for all three). In sporadic MTC group (n=361) CDKN2C wild type allele had higher nodal metastasis (p=0.03).
conclusionIn this largest MTC cohort with comprehensive analysis of modulatory role of 13 most frequently studied SNPs with MTC clinical outcome, we observed a statistically significant association of few SNPs with nodal metastasis. However as these SNPs did not show association with any other clinico-pathological parameters like tumor volume or Calcitonin, they may not be true modifier of MTC. Additional large cohort studies with clinico-pathological details and long-term follow-up are needed to identify genetic modifiers of MTC behavior.
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