Document Detail


Effects of electro-acupuncture on oestrogen levels, body weight, articular cartilage histology and MMP-13 expression in ovariectomised rabbits.
MedLine Citation:
PMID:  23519019     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Electro-acupuncture (EA) treatment has been shown to decrease pain and improve the function of ovariectomised (OVX) rats with osteoarthritis (OA); however, the underlying mechanisms remain unclear. OBJECT: We used OVX rabbits to replicate natural human menopausal processes and to evaluate whether EA could be used to prevent and treat postmenopausal OA. METHODS: The rabbits were randomly divided into four groups of eight: a normal control group (NC), an OVX group, an ERT group (oestrogen replacement therapy after OVX) and an EA group (EA therapy after OVX). After the interventions, all of the animals were killed. Serum oestrogen levels and body weight were measured. The transcription of matrix metalloproteinase-13 (MMP-13) mRNA was detected using reverse transcriptase-PCR. Modified Mankin scores were used for histological assessment. Expression of MMP-13 in cartilage was determined by immunohistochemistry. RESULTS: Both the EA group and the ERT group had increased serum oestrogen levels (p=0.028, p=0.037 respectively), as well as decreased expression of MMP-13 (p=0.000, p=0.000, respectively), relative to the OVX group. The body weight of the EA group was lower than that of the OVX group and the NC group (p=0.007), as well as the ERT group (p=0.010). CONCLUSIONS: EA could be a new method for preventing and treating postmenopausal OA by producing endogenous sex hormones that inhibit the expression of MMP-13 and cause weight loss with no side effects and a relatively low cost.
Authors:
Yuxi Qin; Jing He; Lu Xia; Hua Guo; Chengqi He
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-3-21
Journal Detail:
Title:  Acupuncture in medicine : journal of the British Medical Acupuncture Society     Volume:  -     ISSN:  1759-9873     ISO Abbreviation:  Acupunct Med     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-3-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9304117     Medline TA:  Acupunct Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Rehabilitation Key Laboratory of Sichuan Province, Department of Rehabilitation, West China Hospital, Sichuan University, , Chengdu, Sichuan Province, People's Republic of China.
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