Green tea extract suppresses osteoclastogenesis and opposes glucocorticoid-induced osteoporosis in rats

Saad, Dalia A.; Mohamed, Abd El-Hamid A; Elgohary, Shimaa Abdelraouf

doi:10.4103/jasmr.jasmr_10_19

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“…Group II (Dexamethasone group) (n=10): injected with dexamethasone Sodium Phosphate (7mg/ kg, once a week IM for 4 weeks) [18] .…”

Section: Experimental Designmentioning

confidence: 99%

The Putative Role of Nigella Sativa Oil Versus Calcium and Vitamin D in Modulating the Glucocorticoid-Induced Osteoporosis in Rats: Histological and Immunohistochemical Study.

Elsyade,

Abd Elfatah,

Shawky

et al. 2023

Ain Shams Medical Journal

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Background: Glucocorticoid is the most common cause of medication-induced osteoporosis. Aim of the work:Comparing the role of Nigella sativa (NS) versus calcium and vitamin D (Ca+Vit D) in the protection from Glucocorticoid-induced osteoporosis in a rat model. Material and Methods:Fifty-one male albino rats weighing 120-150 gm were divided into 4 groups: Group I (Control), Group II (dexamethasone group), Group III (dexamethasone plus Ca+Vit D), and Group IV (dexamethasone plus NS oil). Results: Rats of group II revealed erosion cavities in compactbone with eroded surface and widened Haversian canal and osteocyte lacunae. The cancellous bone showed thin disconnected bone trabeculae containing empty lacunae with wide bone marrow spaces. Areas of faintly stained bone matrix and minor fractures could be detected. These results were confirmed by a significant decrease in the thickness and number of lacunae containing osteocytes in cortical and cancellous bone. Also, there was an apparent decrease in osteopontin and an increase in caspase-3immune reaction. Moreover, a significant increase in alkaline phosphatase and IL6 was detected. Groups III and IV showed improvement in cortical and trabecular bone structure. The expression of osteopontin, caspase-3, alkaline phosphatase, and IL6 was also improved. Conclusion:This study demonstrated that supplementation of NS oil was better than calcium and vitamin D in osteoporotic lesions of rat femur due to its effect on bone remodeling. It acts as a calcium source and has antioxidant effects. So, it is recommended to use NS in the protection of glucocorticoid-induced osteoporosis.

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“…Group II (Dexamethasone group) (n=10): injected with dexamethasone Sodium Phosphate (7mg/ kg, once a week IM for 4 weeks) [18] .…”

Section: Experimental Designmentioning

confidence: 99%

The Putative Role of Nigella Sativa Oil Versus Calcium and Vitamin D in Modulating the Glucocorticoid-Induced Osteoporosis in Rats: Histological and Immunohistochemical Study.

Elsyade,

Abd Elfatah,

Shawky

et al. 2023

Ain Shams Medical Journal

View full text Add to dashboard Cite

show abstract

Green tea extract suppresses osteoclastogenesis and opposes glucocorticoid-induced osteoporosis in rats

Cited by 1 publication

References 0 publications

The Putative Role of Nigella Sativa Oil Versus Calcium and Vitamin D in Modulating the Glucocorticoid-Induced Osteoporosis in Rats: Histological and Immunohistochemical Study.

The Putative Role of Nigella Sativa Oil Versus Calcium and Vitamin D in Modulating the Glucocorticoid-Induced Osteoporosis in Rats: Histological and Immunohistochemical Study.

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