Document Detail


In vitro immunomodulatory activities of a newly concocted traditional Chinese medicine formula: VI-28.
MedLine Citation:
PMID:  16909439     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Previous studies have suggested that Vigconic VI-28, an anti-aging traditional Chinese medicine (TCM) formula containing Radix Ginseng and Cornu Cervi Pantotrichum, possesses immunological efficacy. This in vitro study further investigated the immunomodulatory effects of the hot water extracts of VI-28. The study included (1) colorimetric 5-bromo-2'-deoxy-uridine proliferation ELISA for estimating mitogenicity in human peripheral blood mononuclear cells (PBMC), (2) immunofluorescence staining for measuring the expression of IL-2 receptor alpha (CD25) on lymphocytes, (3) cytometric bead array (CBA) for quantifying cytokine liberation from PBMC, and (4) intracellular immunophenotyping for macrophage phagocytosis and hydrogen peroxide (H(2)O(2)) production from monocytes. The results demonstrated that VI-28 (1) could dose-dependently inhibited the proliferation of unstimulated and lipopolysaccharide-activated PBMC but enhanced the proliferation of phytohemagglutinin-activated PBMC at concentrations of <1 mg/mL, (2) significantly augmented the expression of CD25 on lymphocytes at concentrations of 0.4 mg/mL or above (p < 0.05), (3) dose dependently (0.1-1.0 mg/mL) activated macrophage phagocytosis and monocyte synthesis of H(2)O(2) and (4) significantly increased the production of cytokines IL-8, IL-10, IL-12 and IL-1beta at various concentrations of VI-28 (p < 0.05). The results suggest that VI-28 is a potential immunomodulator which probably acts through the activation of lymphocytes and monocytes.
Authors:
S K W Lee; C K Wong; P M K Poon; P S P Ip; C T Che; K P Fung; P C Leung; C W K Lam
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Phytotherapy research : PTR     Volume:  20     ISSN:  0951-418X     ISO Abbreviation:  Phytother Res     Publication Date:  2006 Oct 
Date Detail:
Created Date:  2006-09-27     Completed Date:  2007-01-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8904486     Medline TA:  Phytother Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  883-8     Citation Subset:  IM    
Copyright Information:
Copyright 2006 John Wiley & Sons, Ltd.
Affiliation:
Department of Chemical Pathology, The Chinese University of Hong Kong, Shatin, NT, Hong Kong.
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MeSH Terms
Descriptor/Qualifier:
Cells, Cultured
Cytokines / metabolism
Drug Combinations
Drugs, Chinese Herbal / isolation & purification,  pharmacology*
Enzyme-Linked Immunosorbent Assay
Humans
Hydrogen Peroxide / metabolism
Immunologic Factors / isolation & purification,  pharmacology*
Interleukin-2 Receptor alpha Subunit / immunology
Lymphocytes / drug effects,  immunology
Mitogens / isolation & purification,  pharmacology
Monocytes / drug effects,  immunology
Panax / chemistry
Phagocytosis / drug effects
Plants, Medicinal / chemistry
Chemical
Reg. No./Substance:
0/Cytokines; 0/Drug Combinations; 0/Drugs, Chinese Herbal; 0/Immunologic Factors; 0/Interleukin-2 Receptor alpha Subunit; 0/Mitogens; 0/vigconic VI-28; 7722-84-1/Hydrogen Peroxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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