Assessing the effects of probiotic supplementation, single strain versus mixed strains, on femoral mineral density and osteoblastic gene mRNA expression in rats
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View abstract on PubMed
Summary
This summary is machine-generated.Single-strain probiotics like Lactobacillus helveticus and Bifidobacterium longum show superior efficacy in improving bone health and reducing bone loss compared to mixed strains. These findings suggest probiotics are a promising therapeutic for osteoporosis.
Area Of Science
- Microbiology
- Bone Biology
- Nutritional Science
Background
- Osteoporosis is a prevalent bone disease, increasing fracture risk, especially in postmenopausal women.
- Current treatments have limitations, necessitating novel therapeutic strategies.
- Probiotics are being explored for their potential health benefits, including bone health.
Purpose Of The Study
- To evaluate the efficacy of single-strain versus mixed-strain probiotic supplementation on bone health.
- To investigate the effects of Lactobacillus helveticus and Bifidobacterium longum on bone metabolism in an ovariectomized rat model.
Main Methods
- An ovariectomy (OVX) rat model was used to induce bone loss.
- Rats were supplemented daily with single strains (L. helveticus or B. longum) or a mixed strain of probiotics.
- Bone formation and resorption markers were assessed over 16 weeks.
Main Results
- Both single-strain and mixed-strain probiotics increased osteoblastic gene expression and serum osteocalcin.
- Probiotic supplementation reduced bone resorption markers (CTX).
- Single-strain probiotics demonstrated superior efficacy in improving bone health compared to mixed strains.
Conclusions
- Lactobacillus helveticus and Bifidobacterium longum supplementation effectively reduces bone resorption and enhances bone health in OVX rats.
- Single-strain probiotic administration is more effective than mixed-strain for improving bone health.
- Probiotics hold potential as a therapeutic intervention for osteoporosis, meriting human clinical trials.
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