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Effects of diosgenin on the skeletal system in rats with experimental type 1 diabetes
Piotr Londzin1, Ewa Kisiel-Nawrot1, Sonia Kocik1
1Department of Pharmacology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, Jagiellońska 4, 41-200, Sosnowiec, Poland.
Abstract:
There is a great interest in substances of plant origin, which may exert health-promoting activities in diabetes and its complications. Previous studies suggested that diosgenin may favorably affect both glucose metabolism and osteoporosis. The aim of the study was to investigate the effects of diosgenin on the skeletal disorders induced by experimental type 1 diabetes (T1D) in rats. The experiments were performed on 3-month-old female rats, divided into three groups: I - healthy control rats, II - streptozotocin-induced diabetic control rats, III - diabetic rats receiving diosgenin. T1D was induced by a single streptozotocin injection (60 mg/kg i.p.). Diosgenin administration (50 mg/kg/day p.o.) started two weeks later and lasted four weeks. Serum bone turnover markers and other biochemical parameters, bone mass and mineralization, mechanical properties and histomorphometric parameters were examined. Diabetes induced profound metabolic disturbances and disorders of cancellous bone microarchitecture and strength. Diosgenin did not favorably affect the serum bone turnover markers and other biochemical parameters, bone mass, mineralization and mechanical properties in the diabetic rats. However, it counteracted the effect of diabetes on the growth plate and cancellous bone microarchitecture in the distal femur, indicating some limited beneficial influence on the skeleton.
Insights
Diosgenin, a plant-derived compound, did not improve bone health markers in diabetic rats. However, it showed limited benefits by counteracting diabetes-induced damage to bone microarchitecture.
Area of Science:
- Biochemistry
- Endocrinology
- Orthopedics
Background:
- Plant-derived compounds are of interest for managing diabetes and its complications.
- Diosgenin has shown potential benefits for glucose metabolism and osteoporosis in prior research.
- Type 1 diabetes (T1D) is known to negatively impact bone health.
Purpose of the Study:
- To investigate the effects of diosgenin on skeletal disorders in rats with experimentally induced type 1 diabetes.
- To assess diosgenin's impact on bone metabolism, structure, and mechanical properties in a diabetic model.
Main Methods:
- Female rats were divided into healthy control, diabetic control, and diosgenin-treated diabetic groups.
- Type 1 diabetes was induced using streptozotocin.
- Diosgenin was administered orally for four weeks, starting two weeks post-diabetes induction.
- Evaluations included serum markers, bone mass, mineralization, mechanical testing, and histomorphometry.
Main Results:
- Diabetes caused significant metabolic disturbances and impaired cancellous bone microarchitecture and strength.
- Diosgenin did not improve serum bone turnover markers, biochemical parameters, bone mass, mineralization, or mechanical properties in diabetic rats.
- Diosgenin partially counteracted diabetes-induced changes in the growth plate and distal femur cancellous bone microarchitecture.
Conclusions:
- Diosgenin demonstrated a limited beneficial effect on the skeletal structure of diabetic rats, particularly in the distal femur.
- Further research is needed to understand the mechanisms and potential therapeutic applications of diosgenin in diabetic bone disease.
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