Linked Life Data

1508327

Source:http://linkedlifedata.com/resource/pubmed/id/1508327

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1992-9-24
pubmed:abstractText
Chromogranin A (CgA) is a useful probe of human neuroendocrine neoplasia and exocytotic sympathoadrenal activity, but the application of CgA immunoassays has not been widespread because of limited availability of purified human CgA. Here we describe a rapid, high yield isolation of human CgA. After obtaining and lysing pheochromocytoma chromaffin granules, the soluble core proteins (chromogranins) were depleted of dopamine-beta-hydroxylase by passage over a concanavalin A-Sepharose affinity column, then lyophilized, resuspended in volatile buffer, and gel filtered on Sephacryl S-300. SDS-PAGE-analyzed column fractions contained homogeneous human CgA, which was verified structurally (N-terminal amino acid sequence) and immunologically (radioimmunoassay and immunoblot). The overall 22.6 mg yield of purified CgA represented 5.7% of the starting vesicle core protein. This preparation will be useful in evaluating the sympathoadrenal system and endocrine neoplasia in man.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0143-4179
pubmed:author
pubmed:issnType
Print
pubmed:volume
22
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
235-40
pubmed:dateRevised
2007-4-17
pubmed:meshHeading
pubmed:year
1992
pubmed:articleTitle
Rapid, high-yield isolation of human chromogranin A from chromaffin granules of pheochromocytomas.
pubmed:affiliation
Institute of Cancer Research, University of Trondheim, Norway.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't