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hpa023370

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Noelia Muñoz-Martín et al.

Development (Cambridge, England), 146(3) (2019-01-16)

Myc is considered an essential transcription factor for heart development, but cardiac defects have only been studied in global Myc loss-of-function models. Here, we eliminated Myc by recombining a Myc floxed allele with the Nkx2.5Cre driver. We observed no anatomical

Distinct epigenetic programs regulate cardiac myocyte development and disease in the human heart in vivo.

Ralf Gilsbach et al.

Nature communications, 9(1), 391-391 (2018-01-28)

Epigenetic mechanisms and transcription factor networks essential for differentiation of cardiac myocytes have been uncovered. However, reshaping of the epigenome of these terminally differentiated cells during fetal development, postnatal maturation, and in disease remains unknown. Here, we investigate the dynamics

Dynamic DNA methylation orchestrates cardiomyocyte development, maturation and disease.

Ralf Gilsbach et al.

Nature communications, 5, 5288-5288 (2014-10-23)

The heart is a highly specialized organ with essential function for the organism throughout life. The significance of DNA methylation in shaping the phenotype of the heart remains only partially known. Here we generate and analyse DNA methylomes from highly

Plantar mechanical stimulation prevents calcineurin-NFATc1 inactivation and slow-to-fast fiber type shift in rat soleus muscle under hindlimb unloading.

Kristina Sharlo et al.

Journal of applied physiology (Bethesda, Md. : 1985), 126(6), 1769-1781 (2019-05-03)

The prevailing myosin isoform [myosin heavy chain (MyHC)] in a skeletal muscle determines contractile properties of the muscle. Under actual or simulated microgravity conditions such as human bed rest or rat hindlimb unloading, decrease in expression of MyHC of the

Epicardial FSTL1 reconstitution regenerates the adult mammalian heart.

Ke Wei et al.

Nature, 525(7570), 479-485 (2015-09-17)

The elucidation of factors that activate the regeneration of the adult mammalian heart is of major scientific and therapeutic importance. Here we found that epicardial cells contain a potent cardiogenic activity identified as follistatin-like 1 (Fstl1). Epicardial Fstl1 declines following

Genomic Reorganization of Lamin-Associated Domains in Cardiac Myocytes Is Associated With Differential Gene Expression and DNA Methylation in Human Dilated Cardiomyopathy.

Sirisha M Cheedipudi et al.

Circulation research, 124(8), 1198-1213 (2019-02-12)

LMNA (Lamin A/C), a nuclear membrane protein, interacts with genome through lamin-associated domains (LADs) and regulates gene expression. Mutations in the LMNA gene cause a diverse array of diseases, including dilated cardiomyopathy (DCM). DCM is the leading cause of death

Cardiac Myocyte De Novo DNA Methyltransferases 3a/3b Are Dispensable for Cardiac Function and Remodeling after Chronic Pressure Overload in Mice.

Thomas G Nührenberg et al.

PloS one, 10(6), e0131019-e0131019 (2015-06-23)

Recent studies reported altered DNA methylation in failing human hearts. This may suggest a role for de novo DNA methylation in the development of heart failure. Here, we tested whether cardiomyocyte-specific loss of de novo DNA methyltransferases Dnmt3a and Dnmt3b

Assembly of centrosomal proteins and microtubule organization depends on PCM-1.

Alexander Dammermann et al.

The Journal of cell biology, 159(2), 255-266 (2002-10-31)

The protein PCM-1 localizes to cytoplasmic granules known as "centriolar satellites" that are partly enriched around the centrosome. We inhibited PCM-1 function using a variety of approaches: microinjection of antibodies into cultured cells, overexpression of a PCM-1 deletion mutant, and

Identification of atrial fibrillation associated genes and functional non-coding variants.

Antoinette F van Ouwerkerk et al.

Nature communications, 10(1), 4755-4755 (2019-10-20)

Disease-associated genetic variants that lie in non-coding regions found by genome-wide association studies are thought to alter the functionality of transcription regulatory elements and target gene expression. To uncover causal genetic variants, variant regulatory elements and their target genes, here

RBM14 prevents assembly of centriolar protein complexes and maintains mitotic spindle integrity.

Gen Shiratsuchi et al.

The EMBO journal, 34(1), 97-114 (2014-11-12)

Formation of a new centriole adjacent to a pre-existing centriole occurs only once per cell cycle. Despite being crucial for genome integrity, the mechanisms controlling centriole biogenesis remain elusive. Here, we identify RBM14 as a novel suppressor of assembly of

Alterations in sarcomere function modify the hyperplastic to hypertrophic transition phase of mammalian cardiomyocyte development.

Benjamin R Nixon et al.

JCI insight, 2(4), e90656-e90656 (2017-02-28)

It remains unclear how perturbations in cardiomyocyte sarcomere function alter postnatal heart development. We utilized murine models that allowed manipulation of cardiac myosin-binding protein C (MYBPC3) expression at critical stages of cardiac ontogeny to study the response of the postnatal

YAP Partially Reprograms Chromatin Accessibility to Directly Induce Adult Cardiogenesis In Vivo.

Tanner O Monroe et al.

Developmental cell, 48(6), 765-779 (2019-02-19)

Specialized adult somatic cells, such as cardiomyocytes (CMs), are highly differentiated with poor renewal capacity, an integral reason underlying organ failure in disease and aging. Among the least renewable cells in the human body, CMs renew approximately 1% annually. Consistent

NEK7 is required for G1 progression and procentriole formation.

Akshari Gupta et al.

Molecular biology of the cell, 28(15), 2123-2134 (2017-05-26)

The decision to commit to the cell cycle is made during G1 through the concerted action of various cyclin-CDK complexes. Not only DNA replication, but also centriole duplication is initiated as cells enter the S-phase. The NIMA-related kinase NEK7 is

Lamin A/C Assembly Defects in LMNA-Congenital Muscular Dystrophy Is Responsible for the Increased Severity of the Disease Compared with Emery-Dreifuss Muscular Dystrophy.

Anne T Bertrand et al.

Cells, 9(4) (2020-04-05)

LMNA encodes for Lamin A/C, type V intermediate filaments that polymerize under the inner nuclear membrane to form the nuclear lamina. A small fraction of Lamin A/C, less polymerized, is also found in the nucleoplasm. Lamin A/C functions include roles

Hippo pathway deficiency reverses systolic heart failure after infarction.

John P Leach et al.

Nature, 550(7675), 260-264 (2017-10-05)

Mammalian organs vary widely in regenerative capacity. Poorly regenerative organs, such as the heart are particularly vulnerable to organ failure. Once established, heart failure commonly results in mortality. The Hippo pathway, a kinase cascade that prevents adult cardiomyocyte proliferation and

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MOF Acetyl Transferase Regulates Transcription and Respiration in Mitochondria.

Aindrila Chatterjee et al.

Cell, 167(3), 722-738 (2016-10-22)

A functional crosstalk between epigenetic regulators and metabolic control could provide a mechanism to adapt cellular responses to environmental cues. We report that the well-known nuclear MYST family acetyl transferase MOF and a subset of its non-specific lethal complex partners

Recruitment of PCM1 to the centrosome by the cooperative action of DISC1 and BBS4: a candidate for psychiatric illnesses.

Atsushi Kamiya et al.

Archives of general psychiatry, 65(9), 996-1006 (2008-09-03)

A role for the centrosome has been suggested in the pathology of major mental illnesses, especially schizophrenia (SZ). To show that pericentriolar material 1 protein (PCM1) forms a complex at the centrosome with disrupted-in-schizophrenia 1 (DISC1) and Bardet-Biedl syndrome 4

Deciphering the Epigenetic Code of Cardiac Myocyte Transcription.

Sebastian Preissl et al.

Circulation research, 117(5), 413-423 (2015-06-25)

Epigenetic mechanisms are crucial for cell identity and transcriptional control. The heart consists of different cell types, including cardiac myocytes, endothelial cells, fibroblasts, and others. Therefore, cell type-specific analysis is needed to gain mechanistic insight into the regulation of gene

Genetic association and brain morphology studies and the chromosome 8p22 pericentriolar material 1 (PCM1) gene in susceptibility to schizophrenia.

Hugh M D Gurling et al.

Archives of general psychiatry, 63(8), 844-854 (2006-08-09)

There is evidence of linkage to a schizophrenia susceptibility locus on chromosome 8p21-22 found by several family linkage studies. To fine map and identify a susceptibility gene for schizophrenia on chromosome 8p22 and to investigate the effect of this genetic

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