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RMRP, RMST, FTX and IPW: novel potential long non-coding RNAs in medullary thyroid cancer

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Date

2021-01-06

Authors

Luzón-Toro, Berta
Villalba-Benito, Leticia
Fernández, Raquel María
Torroglosa, Ana
Antiñolo, Guillermo
Borrego, Salud

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BMC, Springer Nature
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Abstract

The relevant role of long non-coding RNAs (lncRNAs) in cancer is currently a matter of increasing interest. Medullary thyroid cancer (MTC) is a rare neuroendocrine tumor (2-5% of all thyroid cancer) derived from the parafollicular C-cells which secrete calcitonin. About 75% of all medullary thyroid cancers are believed to be sporadic medullary thyroid cancer (sMTC), whereas the remaining 25% correspond to inherited cancer syndromes known as Multiple Endocrine Neoplasia type 2 (MEN2). MEN2 syndrome, with autosomal dominant inheritance is caused by germline gain of function mutations in RET proto-oncogene. To date no lncRNA has been associated to MEN2 syndrome and only two articles have been published relating long non-coding RNA (lncRNA) to MTC: the first one linked MALAT1 with sMTC and, in the other, our group determined some new lncRNAs in a small group of sMTC cases in fresh tissue (RMST, FTX, IPW, PRNCR1, ADAMTS9-AS2 and RMRP). The aim of the current study is to validate such novel lncRNAs previously described by our group by using a larger cohort of patients, in order to discern their potential role in the disease. Here we have tested three up-regulated (RMST, FTX, IPW) and one down-regulated (RMRP) lncRNAs in our samples (formalin fixed paraffin embedded tissues from twenty-one MEN2 and ten sMTC patients) by RT-qPCR analysis. The preliminary results reinforce the potential role of RMST, FTX, IPW and RMRP in the pathogenesis of MTC.

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Medical Subject Headings::Diseases::Neoplasms::Neoplasms by Histologic Type::Neoplasms, Glandular and Epithelial::Carcinoma::Adenocarcinoma::Carcinoma, Neuroendocrine
Medical Subject Headings::Organisms::Eukaryota::Animals::Chordata::Vertebrates::Mammals::Primates::Haplorhini::Catarrhini::Hominidae::Humans
Medical Subject Headings::Phenomena and Processes::Genetic Phenomena::Genetic Structures::Genome::Genome Components::Genes::Genes, Neoplasm::Oncogenes::Proto-Oncogenes
Medical Subject Headings::Chemicals and Drugs::Enzymes and Coenzymes::Enzymes::Transferases::Phosphotransferases::Phosphotransferases (Alcohol Group Acceptor)::Protein Kinases::Protein-Tyrosine Kinases::Receptor Protein-Tyrosine Kinases::Proto-Oncogene Proteins c-ret
Medical Subject Headings::Diseases::Neoplasms::Neoplasms by Histologic Type::Neoplasms, Glandular and Epithelial::Carcinoma::Adenocarcinoma::Carcinoma, Neuroendocrine::Carcinoma, Medullary
Medical Subject Headings::Diseases::Endocrine System Diseases::Endocrine Gland Neoplasms::Multiple Endocrine Neoplasia::Multiple Endocrine Neoplasia Type 2a
Medical Subject Headings::Chemicals and Drugs::Nucleic Acids, Nucleotides, and Nucleosides::Nucleic Acids::RNA::RNA, Untranslated::RNA, Long Noncoding
Medical Subject Headings::Chemicals and Drugs::Hormones, Hormone Substitutes, and Hormone Antagonists::Hormones::Peptide Hormones::Calcitonin
Medical Subject Headings::Diseases::Neoplasms::Neoplasms by Histologic Type::Neoplasms, Germ Cell and Embryonal::Neuroectodermal Tumors::Neuroendocrine Tumors
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Diagnosis::Diagnostic Techniques and Procedures::Clinical Laboratory Techniques::Cytological Techniques::Histocytological Preparation Techniques::Tissue Embedding::Paraffin Embedding
Medical Subject Headings::Diseases::Neoplasms::Neoplasms by Site::Endocrine Gland Neoplasms::Thyroid Neoplasms
Medical Subject Headings::Chemicals and Drugs::Organic Chemicals::Aldehydes::Formaldehyde

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lncRNA, MTC, MEN2, RMST, FTX, IPW, RMRP, RET proto-oncogene, Thyroid neoplasms, ARN largo no codificante, Neoplasias de la tiroides, Neoplasia endocrina múltiple tipo 2a

Citation

Luzón-Toro B, Villalba-Benito L, Fernández RM, Torroglosa A, Antiñolo G, Borrego S. RMRP, RMST, FTX and IPW: novel potential long non-coding RNAs in medullary thyroid cancer. Orphanet J Rare Dis. 2021 Jan 6;16(1):4.