Myocardial depressant factor

Myocardial depressant factor (MDF) or Myocardial Toxic factor (MTF) is a low-molecular-weight peptide[1] released from the pancreas into the blood in mammals during various shock states.[2]

MDF is a significant mediator of shock pathophysiology, reducing myocardial contractility, constricting splanchnic arteries and impairing phagocytosis by the reticuloendothelial system. Survival can be improved by preventing its release or blocking its activity, for example using glucocorticoids, prostaglandins, aprotinin, captopril, imidazole or lidocaine.

References
  1. Myocardial+Depressant+Factor at the US National Library of Medicine Medical Subject Headings (MeSH)
  2. Lefer AM (July 1982). "The pathophysiologic role of myocardial depressant factor as a mediator of circulatory shock". Klin. Wochenschr. 60 (14): 713–6. doi:10.1007/BF01716561. PMID 6181287.
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