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beta-Lipotropin: localization of cells and axons in rat brain by immunocytochemistry.
TLDR
The question of the exact relationship of beta-lipotropin and methionine-enkephalin remains open, because some brain areas contain both substances and some areas contain only one or the other. Expand
Preparation of ovine interstitial cell-stimulating hormone in high yield.
TLDR
The preparation obtained by this procedure has been characterized with respect to biological activity, molecular weight, amino acid composition, and carbohydrate content and shows it to be identical with previously described preparations of purified ICSH. Expand
Reduction of sulfoxides in peptides and proteins.
TLDR
N -methylmercaptoacetamide was found to be the reducing agent of choice as it was the reagent with the highest rate of reduction having no adverse interaction with other residues in peptides and proteins. Expand
Isolation and structure of an untriakontapeptide with opiate activity from camel pituitary glands.
  • C. Li, D. Chung
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences…
  • 1 April 1976
TLDR
The structure has been determined and shown to be identical to the sequence of carboxyl-terminal 31 amino acids of ovine beta-lipotropin, and the peptide possesses very low lipotropic activity but significant opiate activity. Expand
Bioassay of hypophyseal growth hormone; the tibia test.
TLDR
This paper attempts to standardize the procedure and apply it to the assay of pure and crystalline growth hormone, finding that the method is highly sensitive and simple as compared to other techniques. Expand
beta-endorphin is a potent analgesic agent.
beta-Endorphin, an opiate-like peptide, has potent antinociceptive properties when it is administered directly into the brain and assayed in the the tail-flick, hot-plate, and writhing tests in miceExpand
Specific insulin-like growth factor (IGF) I- and II-binding sites on rat granulosa cells: relation to IGF action.
TLDR
It is shown that rat granulosa cells possess specific IGF-I and IGF-II-binding sites that may mediate the gonadotropin-enhancing actions of the insulin-like peptides, and a novel insulin effect, enhancement of LH/hCG receptor induction is shown. Expand
Studies on pituitary lactogenic hormone. The primary structure of the porcine hormone.
  • C. Li
  • Chemistry, Medicine
  • International journal of peptide and protein…
  • 12 January 2009
TLDR
A high degree of homology exists between the known structure of ovine prolactin and the porcine lactogenic hormone, which led to a re-examination of residues 82-90 in the ovine Prolactin structure, where an extra leucine was found in position 88. Expand
Appearance of beta-endorphin-like immunoreactivity in human ventricular cerebrospinal fluid upon analgesic electrical stimulation.
TLDR
The results suggest that beta-endorphin-like material can be released into the ventricular system and may contribute to the pain blockade that results from periventricular stimulation. Expand
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