Summary
In this communication we describe the immunocytochemical cross-reactivity between antisera to various human pituitary hormones and specific hormone producing cell types in the pituitary gland of sexually mature male platyfish (Xiphophorus maculatus). Antisera to human pituitary hormones cross-reacted either with cells known to produce corresponding hormones (or hormone subunits) in the platyfish (e.g., ACTH, prolactin, TSH β, LH α, FSH α, TSH α) or with no pituitary cells at all (e.g., LH β, FSH β). The one exception was antiserum to human growth hormone which cross-reacted with MSH and ACTH producing cells. The platyfish pituitary is proposed as a test system for immunocytochemically screening antisera for purity and specificity in order to determine their applicability in particular studies.
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Margolis-Kazan, H., Schreibman, M.P. Cross-reactivity between human and fish pituitary hormones as demonstrated by immunocytochemistry. Cell Tissue Res. 221, 257–267 (1981). https://doi.org/10.1007/BF00216730
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DOI: https://doi.org/10.1007/BF00216730