The right auricle of the heart is an endocrine organ. Cardiodilatin as a peptide hormone candidate
- PMID: 6689515
- DOI: 10.1007/BF00304269
The right auricle of the heart is an endocrine organ. Cardiodilatin as a peptide hormone candidate
Abstract
A new polypeptide hormone candidate regulating vascular smooth muscle function was extracted from porcine atrial tissue. The purification steps were followed by a bioassay. The hormonally active substance has been analyzed and found to be a small polypeptide exhibiting a molecular weight of about 7500 and is named "cardiodilatin" (CDD). Further chemical data on this new hormone will be published elsewhere. A partial amino acid sequence of cardiodilatin is offered and shows that among the well known hormones or neuropeptides, none exhibit a homologue partial sequence.
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