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  • Title: Effects of Balsamodendron mukul Gum Resin Extract on Articular Cartilage in Papain-induced Osteoarthritis.
    Author: Manjhi J, Gupta M, Sinha A, Rawat B, Rai DV.
    Journal: Altern Ther Health Med; 2016 Jul; 22(4):50-8. PubMed ID: 27548493.
    Abstract:
    Context • Osteoarthritis (OA) is one of the most prevalent chronic diseases of the musculoskeleton, causing functional disability among older adults. Management of OA includes conventional pharmacological treatments consisting primarily of nonsteroidal anti-inflammatory drugs (NSAIDs), acetaminophen, physiotherapy, and surgical procedures. The medications are not ideal therapeutic agents; NSAIDs in particular can cause serious side effects. Objective • The study was conducted to investigate the effects of Balsamodendron mukul (BDM) gum resin extract on cartilage damage and microstructural changes in the subchondral bone of rats with papain-induced, osteoarthritic knee joints. Design • The authors designed a parallel randomized, controlled study to examine the effects of 3 concentrations of BDM on OA in a murine model. Setting • The present study was undertaken at the research laboratory, Faculty of Biological Engineering, Shobhit University (Modipuram, Meerut, India). Intervention • OA was induced by intra-articular injections of 0.2 mL of 4% papain solution and 0.1 mL of 0.03 M cysteine through the patellar ligament using a 26-gauge, 1.27-cm needle. The rats in the sham group received same volume of isotonic sodium chloride solution. The rats were divided into 6 groups : (1) control group-fresh rats, with ages and genders similar to those of the other groups but with no induction of OA and no treatments; (2) sham group-rats receiving a sham induction of OA using an intra-articular injection of saline of the same volume as the papain given to all OA rats but no treatments; (3) OA group-rats induced with OA but receiving no treatments; (4) OA + BDM (10%) group-rats induced with OA that received a 10% dose of BDM; (5) OA + BDM (20%) group-rats induced with OA that received a 20% dose of BDM; and (6) OA + BDM (40%) group-rats induced with OA that received a 40% dose of BDM. Rats in the treatment groups were fed their respective doses of BDM extract for 30 d. Outcome Measures • The articular cartilages from the knee joints and epiphyseal bones of the femur and tibia were extracted from the right- and left-side limbs to perform the biochemical, microarchitectural, and histological analyses. Results • The total protein and collagen content of the articular cartilage of the knees were significantly higher in all treated groups when compared with the OA group of rats. The histological analysis revealed a thicker cartilage and a higher trabecular density of the subchondral bone (epiphyseal bone) in BDM-treated rats. Conclusions • The oral dose of BDM gum resin extract was shown to relieve OA pain, regenerate the cartilaginous matrix, and increase the subchondral bone components. On the basis of the findings, the research team suggests that the BDM gum resin extract may be used for therapeutic interventions for reversal of OA and reduction in its related inflammatory pain.
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