MORF4L2

Last update 08 May 2025

Basic Info

Synonyms

KIAA0026, MORF-related gene X protein, MORF4L2

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Introduction

Component of the NuA4 histone acetyltransferase complex which is involved in transcriptional activation of select genes principally by acetylation of nucleosomal histone H4 and H2A. This modification may both alter nucleosome - DNA interactions and promote interaction of the modified histones with other proteins which positively regulate transcription. This complex may be required for the activation of transcriptional programs associated with oncogene and proto-oncogene mediated growth induction, tumor suppressor mediated growth arrest and replicative senescence, apoptosis, and DNA repair. The NuA4 complex ATPase and helicase activities seem to be, at least in part, contributed by the association of RUVBL1 and RUVBL2 with EP400. NuA4 may also play a direct role in DNA repair when directly recruited to sites of DNA damage. Also a component of the MSIN3A complex which acts to repress transcription by deacetylation of nucleosomal histones.

100 Clinical Results associated with MORF4L2

100 Translational Medicine associated with MORF4L2

0 Patents (Medical) associated with MORF4L2

Literatures (Medical) associated with MORF4L2

17 Dec 2024·Journal of the American Heart Association

Differential Expression Analyses on Human Aortic Tissue Reveal Novel Genes and Pathways Associated With Abdominal Aortic Aneurysm Onset and Progression

Article

Author: Peypoch, Olga ; Nieto, Lluís ; Viñuela, Ana ; Temprano‐Sagrera, Gerard ; Sabater‐Lleal, Maria ; de la Rosa Estadella, Mireia ; Davtian, David ; Camacho, Mercedes ; Calsina Juscafresa, Laura ; Soto, Begoña ; Dilmé, Jaume ; Escudero, José Román ; Brown, Andrew

BackgroundAbdominal aortic aneurysms (AAAs) are focal dilatations of the abdominal aorta that expand progressively, increasing their risk of rupture. Rupture of an AAA is associated with high mortality rates, but the mechanisms underlying the initiation, expansion, and rupture of AAAs are not yet fully understood. We aimed to characterize the pathophysiology of AAAs and identify new genes associated with AAA initiation and progression.Methods and Results This study used RNA sequencing data on 140 samples, becoming the largest RNA sequencing data set for differential expression studies of AAAs. We performed differential expression analyses and analyses of differential splicing between dilated and nondilated aortic tissue samples, and between AAAs of different diameters. We identified 3002 differentially expressed genes between AAAs and controls that were independent of ischemic time, 1425 of which were new. Additionally, 8 genes ( EXTL3 , ZFR , DUSP8 , DISP1 , USP33 , VPS37C , ZNF784 , RFX1 ) were differentially expressed between AAAs of varying diameters and between AAAs and control samples. Finally, 7 genes ( SPP1 , FHL1 , GNAS , MORF4L2 , HMGN1 , ARL1 , RNASE4 ) with differential splicing patterns were also differentially expressed genes between AAAs and controls, suggesting that splicing differences in these genes may contribute to the observed expression changes and disease development. ConclusionsThis study identifies new genes and splicing patterns associated with AAAs and validates previous relevant pathways on AAAs. These findings contribute to the understanding of the complex mechanisms underlying AAAs and may provide potential targets to limit AAA progression and mortality risk.

01 Oct 2024·Proceedings of the National Academy of Sciences

miR-96-5p expression is sufficient to induce and maintain the senescent cell fate in the absence of stress

Article

Author: Adige, Tanvi ; Robbins, Paul D. ; Niedernhofer, Laura J. ; Santiago, Fernando E. ; Mahmud, Shamsed ; Dong, Xiao

Senescence is a cell fate driven by different types of stress that results in exit from the cell cycle and expression of an inflammatory senescence-associated secretory phenotype (SASP). Here, we demonstrate that stable overexpression of miR-96-5p was sufficient to induce cellular senescence in the absence of genotoxic stress, inducing expression of certain markers of early senescence including SASP factors while repressing markers of deep senescence including LINE-1 and type 1 interferons. Stable miR-96-5p overexpression led to genome-wide changes in heterochromatin followed by epigenetic activation of p16 Ink4a , p21 Cip1 , and SASP expression, induction of a marker of DNA damage, and induction of a transcriptional signature similar to other senescent lung and endothelial cell types. Expression of miR-96-5p significantly increased following senescence induction in culture cells and with aging in tissues from naturally aged and Ercc1−/Δ progeroid mice. Mechanistically, miR-96-5p directly suppressed expression of SIN3B and SIN3 corepressor complex constituents KDM5A and MORF4L2, and siRNA-mediated knockdown of these transcriptional regulators recapitulated the senescent phenotype. In addition, pharmacologic inhibition of the SIN3 complex suppressed senescence and SASP markers. These results clearly demonstrate that a single microRNA is sufficient to drive early senescence in the absence of genotoxic stress through targeting epigenetic and transcriptional regulators, identifying novel targets for the development of senotherapeutics.

01 Sep 2023·Annals of clinical and translational neurology

Microdeletion in distal PLP1 enhancers causes hereditary spastic paraplegia 2.

Article

Author: Guo, Jifeng ; Sun, Qiying ; Xu, Qian ; Li, Jinchen ; Zhou, Xun ; Zeng, Sheng ; Wang, Yige ; Tang, Beisha ; Liu, Zhenhua ; Yan, Xinxiang ; He, Runcheng

OBJECTIVESHereditary spastic paraplegia (HSP) is a genetically heterogeneous disease caused by over 70 genes, with a significant number of patients still genetically unsolved. In this study, we recruited a suspected HSP family characterized by spasticity, developmental delay, ataxia and hypomyelination, and intended to reveal its molecular etiology by whole exome sequencing (WES) and long-read sequencing (LRS) analyses.METHODSWES was performed on 13 individuals of the family to identify the causative mutations, including analyses of SNVs (single-nucleotide variants) and CNVs (copy number variants). Accurate circular consensus (CCS) long-read sequencing (LRS) was used to verify the findings of CNV analysis from WES.RESULTSSNVs analysis identified a missense variant c.195G>T (p.E65D) of MORF4L2 at Xq22.2 co-segregating in this family from WES data. Further CNVs analysis revealed a microdeletion, which was adjacent to the MORF4L2 gene, also co-segregating in this family. LRS verified this microdeletion and confirmed the deletion range (chrX: 103,690,507-103,715,018, hg38) with high resolution at nucleotide level accuracy.INTERPRETATIONSIn this study, we identified an Xq22.2 microdeletion (about 24.5 kb), which contains distal enhancers of the PLP1 gene, as a likely cause of SPG2 in this family. The lack of distal enhancers may result in transcriptional repression of PLP1 in oligodendrocytes, potentially affecting its role in the maintenance of myelin, and causing SPG2 phenotype. This study has highlighted the importance of noncoding genomic alterations in the genetic etiology of SPG2.

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MORF4L2

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