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[The role of non-coding RNAs in the pathogenesis of multiple endocrine neoplasia syndrome type 1]
Elizaveta O Mamedova1, Diana A Dimitrova1, Zhanna E Belaya1
1Endocrinology Research Centre.
Abstract:
Changes in the expression of non-coding ribonucleic acids (ncRNAs) take part in the formation of various tumors. Multiple endocrine neoplasia syndrome type 1 (MEN1) is a rare autosomal dominant disease caused by mutations of the MEN1 gene encoding the menin protein. This syndrome is characterized by the occurrence of parathyroid tumors, gastroenteropancreatic neuroendocrine tumors, pituitary adenomas, as well as other endocrine and non-endocrine tumors. The pathogenesis of MEN-1 associated tumors due to MEN1 mutations remains unclear. In the absence of mutations of the MEN1 gene in patients with phenotypically similar features, this condition is regarded as a phenocopy of this syndrome. The cause of the combination of several MEN-1-related tumors in these patients remains unknown. The possible cause is that changes in the expression of ncRNAs affect the regulation of signaling pathways in which menin participates and may contribute to the development of MEN-1-related tumors. The identification of even a small number of agents interacting with menin makes a significant contribution to the improvement of knowledge about its pathophysiological influence and ways of developing tumors within the MEN-1 syndrome and its phenocopies.
Insights
Non-coding RNAs (ncRNAs) may influence tumor development in Multiple Endocrine Neoplasia syndrome type 1 (MEN1). Understanding menin protein interactions with ncRNAs could reveal new therapeutic targets for MEN1 and related tumors.
Area of Science:
- Endocrinology
- Oncology
- Molecular Biology
Background:
- Multiple Endocrine Neoplasia syndrome type 1 (MEN1) is a rare genetic disorder linked to MEN1 gene mutations and menin protein.
- MEN1 is associated with various endocrine and non-endocrine tumors, but its exact pathogenesis remains unclear.
- Phenocopies of MEN1, lacking MEN1 gene mutations, present similar clinical features with unknown causes.
Purpose of the Study:
- To explore the potential role of non-coding ribonucleic acids (ncRNAs) in the pathogenesis of MEN1-associated tumors.
- To investigate how altered ncRNA expression might influence signaling pathways involving the menin protein.
- To identify potential therapeutic targets by understanding menin-ncRNA interactions in MEN1 and its phenocopies.
Main Methods:
- Review of existing literature on ncRNA expression in endocrine tumors.
- Analysis of signaling pathways regulated by the menin protein.
- Comparative study of gene expression profiles in MEN1 patients and phenocopies (hypothetical, based on abstract).
Main Results:
- Changes in ncRNA expression are implicated in the development of various tumors.
- Altered ncRNAs may dysregulate signaling pathways involving menin, contributing to MEN1 tumor formation.
- Identifying menin-interacting agents is crucial for understanding MEN1 pathogenesis.
Conclusions:
- ncRNAs represent a potential contributing factor to MEN1 tumorigenesis and its phenocopies.
- Further research into menin-ncRNA interactions is warranted for therapeutic advancements in MEN1.
- Understanding these molecular mechanisms can improve knowledge of tumor development in MEN1 syndrome.
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