title: Cytokine secretion profiling of human mesenchymal stem cells by antibody array.
abstract: Mesenchymal stem cells (MSCs) provide not only cell sources for connective tissues but also the control of hematopoiesis and immune response. A multitude of cytokines and growth factors secreted from MSCs are known to confer such multifunctional functionality, but their overall spectrum and the respective expression strength have not been thoroughly illustrated. In this study, we have obtained the comprehensive cytokine secretion profile of human bone marrow (BM)-derived MSCs, with the use of an antibody array recognizing 120 cytokines and chemokines. The array membrane incubated with the secretion media of the cells featured a predominant hybridization signal for IL-6 and moderately elevated signals for IL-8, TIMP-2, MCP-1, VEGF and OPG. This cytokine secretion profile was found to be common to all cell lines from three different donors, and also similar but not identical to that of umbilical cord blood-derived cells, suggesting that the trophic nature of the MSCs might depend slightly on the cell origin but not on individuality of the donors. Our results here may provide the molecular basis for further studies on MSC-assisted biological processes, such as connective tissue homeostasis, hematopoiesis and immune modulation.
authors.affiliation: Biotherapeutic Division, GenExel-Sein Inc.
authors.forename: Chae Woon
authors.initials: CW
authors.lastname: Park
authors.affiliation: Antibody Engineering Research Unit, KRIBB ; College of Pharmacy, Chungnam National University, Daejeon.
authors.forename: Keun-Soo
authors.initials: KS
authors.lastname: Kim
authors.affiliation: Biotherapeutic Division, GenExel-Sein Inc.
authors.forename: Sohyun
authors.initials: S
authors.lastname: Bae
authors.affiliation: Biotherapeutic Division, GenExel-Sein Inc.
authors.forename: Hye Kyeong
authors.initials: HK
authors.lastname: Son
authors.affiliation: College of Pharmacy, Chungnam National University, Daejeon.
authors.forename: Pyung-Keun
authors.initials: PK
authors.lastname: Myung
authors.affiliation: Antibody Engineering Research Unit, KRIBB.
authors.forename: Hyo Jeong
authors.initials: HJ
authors.lastname: Hong
authors.affiliation: Biotherapeutic Division, GenExel-Sein Inc.
authors.forename: Hoeon
authors.initials: H
authors.lastname: Kim
keywords: Antibody array; Cytokine secretion profile; Mesenchymal stem cells