Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1983-2-25
pubmed:abstractText
Reverse phase high performance liquid chromatography (HPLC) followed by RIA of the chromatographic fractions was used to separate and quantify, respectively, the alpha MSH-like peptides stored in the intermediate lobe (IL) of the rat pituitary gland and released from IL cells in vitro. Immunoreactive material eluting with the same HPLC retention time as N,O-diacetyl alpha MSH accounted for approximately 80% of the total immunoreactive alpha MSH (IR-alpha MSH) in either the neurointermediate lobe or dispersed IL cells. The remainder of the IR-alpha MSH coeluted with either synthetic desacetyl alpha MSH or alpha MSH. Furthermore, the predominant alpha MSH-like compound released in vitro from dispersed IL cells eluted from the HPLC column with the same retention time as synthetic N,O-diacetyl alpha MSH. Treatment of dispersed IL cells with drugs known to enhance (l-isoproterenol or A 23187) or to inhibit (apomorphine or lisuride) the release of IR-alpha MSH revealed that N,O-diacetyl alpha MSH was the primary form released. Finally, an evaluation of the stability of the alpha MSH-like peptides indicated that N,O-diacetyl alpha MSH was readily converted to alpha MSH in the presence of 0.1 N hydrochloric acid.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0013-7227
pubmed:author
pubmed:issnType
Print
pubmed:volume
112
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
435-41
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1983
pubmed:articleTitle
alpha-Melanocyte-stimulating hormone-like peptides in the intermediate lobe of the rat pituitary gland: characterization of content and release in vitro.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.