title: Immunomodulating effects of CKBM on the cytokine production in peripheral blood mononuclear cells (PBMCs) from healthy volunteers.
abstract: The current study investigated the immunomodulating effect of CKBM on cytokine induction in peripheral blood mononuclear cells (PBMCs) isolated from 20 healthy volunteers. Cytometric Bead Analysis (CBA) was used to study IL-2, IL-4, IL-6, IL-10, TNF-alpha and IFN-gamma. TNF-alpha and IL-6 were significantly increased in a CKBM dose- and time-dependent manner. Flow cytometry analysis showed an increased intracellular staining of IL-6 but not of TNF-alpha in CKBM treated PBMCs. In addition, MTT cell cytotoxicity assay showed that CKBM concentrations below 5% did not significantly affect the metabolic activities of PBMCs. The current study indicated that CKBM may modulate the immune response by inducing the secretions of TNF-alpha and IL-6, which are cytokine mediators of innate immunity and inflammation preparing or "priming" the body to combat diseases.
authors.affiliation: The University of Hong Kong, Hong Kong Special Administrative Region, China. bpchan@hkucc.hku.hk
authors.forename: B P
authors.initials: BP
authors.lastname: Chan
authors.forename: W F
authors.initials: WF
authors.lastname: Yuen
authors.forename: W H
authors.initials: WH
authors.lastname: Lee
authors.forename: S N
authors.initials: SN
authors.lastname: Wong
authors.forename: T Y
authors.initials: TY
authors.lastname: Chung
authors.forename: Y J
authors.initials: YJ
authors.lastname: Wu
authors.forename: S F
authors.initials: SF
authors.lastname: Pang
mesh_terms: D000328:Adult; D002470:Cell Survival / Q000187:drug effects; D016207:Cytokines / Q000096:biosynthesis*; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D007155:Immunologic Factors / Q000008:administration & dosage / Q000494:pharmacology* / Q000633:toxicity; D066298:In Vitro Techniques; D007371:Interferon-gamma / Q000096:biosynthesis; D015850:Interleukin-6 / Q000096:biosynthesis; D007963:Leukocytes, Mononuclear / Q000187:drug effects* / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D010936:Plant Extracts / Q000008:administration & dosage / Q000494:pharmacology* / Q000633:toxicity; D047889:Receptors, Tumor Necrosis Factor, Type II / Q000096:biosynthesis; D014409:Tumor Necrosis Factor-alpha / Q000096:biosynthesis
chemical_list: D016207:Cytokines; D007155:Immunologic Factors; D015850:Interleukin-6; D010936:Plant Extracts; D047889:Receptors, Tumor Necrosis Factor, Type II; D014409:Tumor Necrosis Factor-alpha; D007371:Interferon-gamma