Myosin heavy chain is stabilized by BCL-2 interacting cell death suppressor (BIS) in skeletal muscle

Jin Hong, Jun Sub Park, Hyun Lee, Jaemin Jeong, Hye Hyeon Yun, Hye Yun Kim, Young-Gyu Ko, Jeong Hwa Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

BCL-2 interacting cell death suppressor (BIS), which is ubiquitously expressed, has important roles in various cellular processes, such as apoptosis, the cellular stress response, migration and invasion and protein quality control. In particular, BIS is highly expressed in skeletal and cardiac muscles, and BIS gene mutations result in human myopathy. In this study, we show that mRNA and protein levels of BIS were markedly increased during skeletal myogenesis in C2C12 cells and mouse satellite cells. BIS knockdown did not prevent the early stage of skeletal myogenesis, but did induce muscle atrophy and a decrease in the diameter of myotubes. BIS knockdown significantly suppressed the expression level of myosin heavy chain (MyHC) without changing the expression levels of myogenic marker proteins, such as Mgn, Cav-3 and MG53. In addition, BIS endogenously interacted with MyHC, and BIS knockdown induced MyHC ubiquitination and degradation. From these data, we conclude that molecular association of MyHC and BIS is necessary for MyHC stabilization in skeletal muscle.

Original languageEnglish
Pages (from-to)e225
JournalExperimental & molecular medicine
Volume48
DOIs
Publication statusPublished - 2016 Apr 1

Fingerprint

Myosin Heavy Chains
Cell death
Muscle
Skeletal Muscle
Cell Death
Muscle Development
Proteins
Muscular Atrophy
Ubiquitination
Skeletal Muscle Fibers
Muscular Diseases
Quality Control
Quality control
Myocardium
Stabilization
Genes
Association reactions
Satellites
Apoptosis
Degradation

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Clinical Biochemistry

Cite this

Myosin heavy chain is stabilized by BCL-2 interacting cell death suppressor (BIS) in skeletal muscle. / Hong, Jin; Park, Jun Sub; Lee, Hyun; Jeong, Jaemin; Hyeon Yun, Hye; Yun Kim, Hye; Ko, Young-Gyu; Lee, Jeong Hwa.

In: Experimental & molecular medicine, Vol. 48, 01.04.2016, p. e225.

Research output: Contribution to journalArticle

Hong, Jin ; Park, Jun Sub ; Lee, Hyun ; Jeong, Jaemin ; Hyeon Yun, Hye ; Yun Kim, Hye ; Ko, Young-Gyu ; Lee, Jeong Hwa. / Myosin heavy chain is stabilized by BCL-2 interacting cell death suppressor (BIS) in skeletal muscle. In: Experimental & molecular medicine. 2016 ; Vol. 48. pp. e225.
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