Purification of human lung leukotriene C4 synthase and preparation of a polyclonal antibody.
Purification of human lung leukotriene C4 synthase and preparation of a polyclonal antibody.
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人肺白三烯C4合酶的纯化及多克隆抗体的制备。
DOI:
10.1164/ajrccm.152.1.7599836
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发表时间:
1995
期刊:
影响因子:
--
通讯作者:
Austen,KF
中科院分区:
文献类型:
--
作者:
Penrose,JF;Spector,J;Lam,BK;Friend,DS;Xu,K;Jack,RM;Austen,KF
Leukotriene (LT) C4 synthase is an integral membrane protein that catalyzes the conjugation of LTA4 to reduced glutathione to form LTC4. LTC4 synthase has been cloned and characterized from transformed cell lines, but the protein has not been defined from a tissue source. LTC4 synthase was purified to homogeneity from human lung tissue, utilizing S-hexyl glutathione chromatography followed by LTC4 affinity chromatography. A greater than 100,000-fold purification with a yield of 8 to 25% (n = 4) was achieved. The purified LTC4 synthase migrated in sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) as an 18-kD protein, and its 19 N-terminal amino acid sequence is identical to that of purified LTC4 synthase from KG-1 myeloid cells or from expression cloning of a KG-1 library in COS cells. Using a rabbit polyclonal IgG raised against purified LTC4 synthase, SDS-PAGE immunoblotting of LTC4 synthase from human lung tissue, eosinophils, KG-1 cells, and platelets showed an 18-kD protein. Immunofluorescence staining of alveolar macrophages in human lung sections with the anti-LTC4 synthase IgG revealed LTC4 synthase to be largely perinuclear in distribution. Thus, LTC4 synthase, the biosynthetic enzyme responsible for the formation of cysteinyl LTs, is present in lung tissue in a form apparently identical to that of hematopoietic cells.
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DOI:
10.1016/s0021-9258(19)57499-3
发表时间:
1986
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Natsuo Ueda;Shuji KanekoS;Tanihiro Yoshimoto;Shozo Yamamotog
通讯作者:
Shozo Yamamotog
DOI:
--
发表时间:
1986
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
MacGlashanJr,DW;Peters,SP;Warner,J;Lichtenstein,LM
通讯作者:
Lichtenstein,LM
DOI:
10.1016/s0021-9258(19)57375-6
发表时间:
1988-01
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Jacques A. MacloufS;R. C. Murphy
通讯作者:
Jacques A. MacloufS;R. C. Murphy
DOI:
10.1073/pnas.83.4.857
发表时间:
1986
影响因子:
11.1
作者:
C. Rouzer;T. Matsumoto;B. Samuelsson
通讯作者:
B. Samuelsson
DOI:
10.1073/pnas.82.24.8399
发表时间:
1985
影响因子:
11.1
作者:
Yoshimoto,T;Soberman,RJ;Lewis,RA;Austen,KF
通讯作者:
Austen,KF