Article ; Online: A pilot study: effect of irisin on trabecular bone in a streptozotocin-induced animal model of type 1 diabetic osteopathy utilizing a micro-CT.
2023 Volume 11, Page(s) e16278
Abstract: Background: Osteoporosis is a significant co-morbidity of type 1 diabetes mellitus (DM1) leading to increased fracture risk. Exercise-induced hormone 'irisin' in low dosage has been shown to have a beneficial effect on bone metabolism by increasing ... ...
Abstract | Background: Osteoporosis is a significant co-morbidity of type 1 diabetes mellitus (DM1) leading to increased fracture risk. Exercise-induced hormone 'irisin' in low dosage has been shown to have a beneficial effect on bone metabolism by increasing osteoblast differentiation and reducing osteoclast maturation, and inhibiting apoptosis and inflammation. We investigated the role of irisin in treating diabetic osteopathy by observing its effect on trabecular bone. Methods: DM1 was induced by intraperitoneal injection of streptozotocin 60 mg/kg body weight. Irisin in low dosage (5 µg twice a week for 6 weeks I/P) was injected into half of the control and 4-week diabetic male Wistar rats. Animals were sacrificed six months after induction of diabetes. The trabecular bone in the femoral head and neck was analyzed using a micro-CT technique. Bone turnover markers were measured using ELISA, Western blot, and RT-PCR techniques. Results: It was found that DM1 deteriorates the trabecular bone microstructure by increasing trabecular separation (Tb-Sp) and decreasing trabecular thickness (Tb-Th), bone volume fraction (BV/TV), and bone mineral density (BMD). Irisin treatment positively affects bone quality by increasing trabecular number Conclusions: This is the first pilot study to our knowledge that shows that a low dose of irisin marginally improves the trabecular bone in DM1 and is an effective peptide in reducing sclerostin levels. |
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MeSH term(s) | Rats ; Animals ; Male ; X-Ray Microtomography ; Fibronectins ; Pilot Projects ; Streptozocin ; Osteocalcin ; Diabetes Mellitus, Type 1/drug therapy ; Cancellous Bone/diagnostic imaging ; Rats, Wistar ; Models, Animal |
Chemical Substances | Fibronectins ; Streptozocin (5W494URQ81) ; Osteocalcin (104982-03-8) |
Language | English |
Publishing date | 2023-10-17 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2703241-3 |
ISSN | 2167-8359 ; 2167-8359 |
ISSN (online) | 2167-8359 |
ISSN | 2167-8359 |
DOI | 10.7717/peerj.16278 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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