title: [Expression and purification of mouse B lymphocyte chemoattractant].
abstract: A DNA fragment encoding mouse B Lymphocyte Chemoattractant (BLC, MV10Kda) was obtained by PCR. The amplified fragment was inserted into prokaryotic expression vector PQE30. Recombinant protein was expressed in E. Coli XL-1 blue and purified by affinity chromatography on a nickel-nitrilotriacetic acid gel matrix. Then it was identified by sequence analysis and Western blot analysis. The fragment inserted into prokaryotic expression vector PQE30 was identified to be BLC gene fragment by sequence analysis. And a specfic band was shown by Western blot analysis. These findings provide the evidence that the recombinant protein obtained and purified in this study using gene engineering method is mouse B Lymphocyte Chemoattractant.
authors.affiliation: Key Laboratory of Biotherapy of Human Diseases of Ministry of National Education, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.
authors.forename: Yu
authors.initials: Y
authors.lastname: Jiang
authors.forename: Yanjun
authors.initials: Y
authors.lastname: Wen
authors.forename: Jiyan
authors.initials: J
authors.lastname: Liu
authors.forename: Chunhua
authors.initials: C
authors.lastname: Zou
authors.forename: Ling
authors.initials: L
authors.lastname: Tiang
authors.forename: Yuquan
authors.initials: Y
authors.lastname: Wei
mesh_terms: D000818:Animals; D054382:Chemokine CXCL13; D019743:Chemokines, CXC / Q000096:biosynthesis* / Q000235:genetics / Q000302:isolation & purification; D004926:Escherichia coli / Q000235:genetics; D005822:Genetic Vectors; D051379:Mice; D008807:Mice, Inbred BALB C; D010957:Plasmids / Q000235:genetics; D011387:Prokaryotic Cells / Q000378:metabolism; D011994:Recombinant Proteins / Q000096:biosynthesis / Q000235:genetics / Q000302:isolation & purification; D017422:Sequence Analysis, DNA
chemical_list: D054382:Chemokine CXCL13; D019743:Chemokines, CXC; C486386:Cxcl13 protein, mouse; D011994:Recombinant Proteins