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Article

Postnatal expression of myosin isoforms in an expiratory muscle--external abdominal oblique.

Journal of applied physiology (Bethesda, Md. : 1985) - 1 Nov 1992

Watchko J F, Daood M J, Vazquez R L, Brozanski B S, LaFramboise W A, Guthrie R D, Sieck G C

Abstract excerpt

We studied the postnatal expression of heavy-chain (MHC) and native myosin isoforms in an expiratory abdominal muscle of the rat, the external abdominal oblique (EO). Moreover, we contrasted EO myosin expression with that of the costal diaphragm (DIA) to draw inspiratory vs. expiratory muscle comparisons during development. Examination of MHC gels demonstrated a mature phenotype of slow and adult fast myosin...

Topics

Abdominal Muscles
Animals
Animals, Newborn
Densitometry
Electrophoresis
Muscle Development
Myosins
Phenotype
Rats
Rats, Sprague-Dawley
Respiratory Muscles

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Identifiers

PMID: 1474062
DOI: 10.1152/jappl.1992.73.5.1860

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 29 Aug 2026. Prepared record publication-1474062-2026-08-29.1. Manifest publication-graph-cohort-2026-08-29.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 29 Aug 2026.

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