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. 1986 Oct;64(1):13-20.
doi: 10.1016/0016-6480(86)90022-5.

[Evidence of apparent vasopressin and oxytocin peptides in the brain of the leech Rhynchobdelle Theromyzon tessulatum (O.F.M.)]

[Article in French]
J Malecha, G Tramu, C Cardon, M Verger-Bocquet

[Evidence of apparent vasopressin and oxytocin peptides in the brain of the leech Rhynchobdelle Theromyzon tessulatum (O.F.M.)]

[Article in French]
J Malecha et al. Gen Comp Endocrinol. 1986 Oct.

Abstract

Vasopressin- and oxytocin-immunoreactive cells have been demonstrated in the brain of the leech Theromyzon tessulatum. A mapping of their localization in the different compartments of the brain has been undertaken. The cells immunohistochemically identified have been compared to previously described cell types defined by classical staining methods for neurosecretory material. Preliminary results obtained with high performance liquid chromatography confirm the presence in brain homogenates of substances with chromatographic properties similar to that of vertebrate nonapeptides. The possible role of these vasopressin- and oxytocin-like substances in osmoregulation is discussed.

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