Investigation of Lake Hzvz Mineral Water Balneotherapy and Hzvz Mud Treatment in Murine Osteoarthritis and Rheumatoid Arthritis Models
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Authors


Lab
Department of Pharmacology and Pharmacotherapy, Medical School, University of PŽcs, H-7624, PŽcs, Szigeti U. 12, Hungary

Journal
Evidence-based Complementary and Alternative Medicine (EVID-BASED COMPL ALT)

Abstract
Arthritic diseases are the most frequent causes of chronic pain and disability. Rheumatoid arthritis (RA) is an autoimmune disease characterized by synovial inflammation and progressive structural joint damage. Osteoarthritis is a degenerative process of the articular cartilage associated with hypertrophic changes in the bone. The aim of the present study was to investigate the anti-inflammatory and analgesic effects of HŽv’z thermal water and mud in monosodium iodoacetate- (MIA-) (25 mg/ml, 20 _ l i.a.) induced osteoarthritis and Complete FreundÕs adjuvant- (CFA-) (1 mg/ml, 50Ð50 _ l s.c) induced rheumatoid arthritis murine models. The mechanonociceptive threshold of female NMRI mice (n=6Ð 8 mice/ group) was measured by aesthesiometry, and paw volume was monitored with plethysmometry, knee joint diameter with digital micrometer, and dynamic weight bearing on the hind limbs with a Bioseb instrument. Periarticular bone destruction was assessed by SkyScan 1176 in vivo micro-CT. Inflammatory cytokines were detected by ELISA in plasma samples. Treatments (30 min, every working day) with tap water, sand, and a combined therapy of tap water and sand served as controls. HŽv’z medicinal water and combined treatment with water and mud significantly decreased the mechanical hyperalgesia and knee oedema in MIA-induced osteoarthritis model. However, balneotherapy did not influence mechanical hyperalgesia, weight bearing, or oedema formation induced by CFA. Neither medicinal water nor mud treatment ameliorated deep structural damage of the bones or the joints in the animal models. On the basis of the present findings, we conclude that balneotherapy is an effective complementary treatment to reduce the pain sensation and swelling in degenerative joint diseases such as osteoarthritis. Our experimental data are in agreement with the previous human studies that also confirmed antinociceptive and anti-inflammatory effects of thermal water and HŽv’z mud treatments.

BIOSEB Instruments Used:
Dynamic Weight Bearing 2.0 (BIO-DWB-DUAL)

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