Preprint Brief Report Version 1 Preserved in Portico This version is not peer-reviewed

Effect of M694V mutation in the MEFV gene, associated with Familial Mediterranean fever, on the morphology of iPSC-derived macrophages

Version 1 : Received: 19 March 2024 / Approved: 20 March 2024 / Online: 20 March 2024 (08:24:36 CET)

How to cite: Grigor’eva, E.V.; Karapetyan, L.V.; Malakhova, A.A.; Medvedev, S.P.; Minina, J.M.; Hayrapetyan, V.H.; Vardanyan, V.S.; Zakian, S.M.; Arakelyan, A.; Zakharyan, R. Effect of M694V mutation in the MEFV gene, associated with Familial Mediterranean fever, on the morphology of iPSC-derived macrophages. Preprints 2024, 2024031184. https://doi.org/10.20944/preprints202403.1184.v1 Grigor’eva, E.V.; Karapetyan, L.V.; Malakhova, A.A.; Medvedev, S.P.; Minina, J.M.; Hayrapetyan, V.H.; Vardanyan, V.S.; Zakian, S.M.; Arakelyan, A.; Zakharyan, R. Effect of M694V mutation in the MEFV gene, associated with Familial Mediterranean fever, on the morphology of iPSC-derived macrophages. Preprints 2024, 2024031184. https://doi.org/10.20944/preprints202403.1184.v1

Abstract

Familial Mediterranean fever (FMF) is a systemic autoinflammatory disorder caused by inherited mutations in the MEFV (Mediterranean FeVer) gene located on chromosome 16 (16p13.3) and coding pyrin protein. Despite the existing data on MEFV mutations, the exact mechanism of their effect on the development of pathological processes leading to autoinflammation observed in FMF, remains unclear. Induced pluripotent stem cells (iPSCs) are considered an important tool for studying the molecular genetic mechanisms of various diseases due to their ability to differentiate into any cell type, including macrophages, which contribute to the development of FMF. In this study, we developed iPSCs of an Armenian patient with FMF having M694V, p.(Met694Val) (c.2080A>G, rs61752717) pathogenic mutation in exon 10 of the MEFV gene. As a result of direct differentiation, macrophages expressing CD14 and CD45 surface markers were obtained. In addition, we found that the morphology of patient macrophages derived from iPSCs with MEFV mutation was significantly different from that of differentiated from iPSCs of a healthy donor carrying wild-type MEFV gene.

Keywords

Familial Mediterranean fever; macrophages; patient-specific induced pluripotent stem cells; differentiation; MEFV gene

Subject

Biology and Life Sciences, Cell and Developmental Biology

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