Release from the brain and acquisition by the corpus cardiacum of a neurohormone in vitro

Release from the brain and acquisition by the corpus cardiacum of a neurohormone in vitro

Hindgut stimulating neurohormone (HSN) was synthesized and stored by cultured brains of the cockroach, Leucophaea maderae. The presence of either HSN or cultured corpora cardiaca in the medium caused the brains to release their accumulated HSN. The corpora cardiaca were able to sequester HSN from th...

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Veröffentlicht in:Journal of insect physiology 1974-10, Vol.20 (10), p.2087-2093
Hauptverfasser: Marks, E.P., Holman, G.M.
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Brain - metabolism
Cockroaches - metabolism
Cockroaches - physiology
Insect Hormones - metabolism
Invertebrate Hormones - metabolism
Neurosecretion
Neurosecretory Systems - metabolism
Organ Culture Techniques
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Zusammenfassung:Hindgut stimulating neurohormone (HSN) was synthesized and stored by cultured brains of the cockroach, Leucophaea maderae. The presence of either HSN or cultured corpora cardiaca in the medium caused the brains to release their accumulated HSN. The corpora cardiaca were able to sequester HSN from the medium when the concentration was above a threshold level. Thus, the corpus cardiacum may provide an homeostatic mechanism for maintaining physiological levels of neurohormone.
ISSN:0022-1910
1879-1611
DOI:10.1016/0022-1910(74)90116-4