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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
1981-8-10
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pubmed:abstractText |
Significant CRF activity was found in a fraction with Rf = 0.82-0.7 or VE/VT = 0.41-0.48 obtained by gel filtration of acid extracts of pig hypothalami on Sephadex G-25. The activity of this fraction decreased markedly during subsequent purification, particularly in the last two steps. From this fraction, a heptapeptide with significant ACTH releasing activity in vitro, was isolated in pure state, and its amino acid sequence was established as H-Phe-Ile-Tyr-His-Ser-Tyr-Lys-OH. This heptapeptide was synthesized by solid phase methods. The CRF activity of synthetic heptapeptide in vitro was low but could be potentiated by a cofactor fraction from rat hypothalamic extract.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0018-5043
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
13
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
228-32
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pubmed:dateRevised |
2009-2-19
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pubmed:meshHeading |
pubmed-meshheading:6263778-Adrenocorticotropic Hormone,
pubmed-meshheading:6263778-Amino Acid Sequence,
pubmed-meshheading:6263778-Animals,
pubmed-meshheading:6263778-Chromatography, Gel,
pubmed-meshheading:6263778-Corticotropin-Releasing Hormone,
pubmed-meshheading:6263778-Hypothalamus,
pubmed-meshheading:6263778-Peptides,
pubmed-meshheading:6263778-Swine
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pubmed:year |
1981
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pubmed:articleTitle |
Isolation, structure and synthesis of a heptapeptide with in vitro ACTH-releasing activity from porcine hypothalamus.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.
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