Androgen effects on bone and muscle.

The study reviews androgen receptor presence in bone cells. It analyzes enzyme activity affecting testosterone metabolism. Researchers examine how testosterone converts to estradiol in bone tissue. They assess periosteal cell function and enzyme absence. The study evaluates androgen effects on osteoblast differentiation. It looks at osteoclast recruitment and activity under androgen influence. Researchers compare BMD in women with and without excess androgens. They assess the impact of androgen therapy on BMD and muscle strength.

Testosterone increases bone mineral density in premenopausal women. Women with high androgen levels, like those with PCOS, show higher BMD. Combined androgen and estrogen therapy improves BMD more than estrogen alone. Subcutaneous testosterone implants are effective in raising BMD. Androgenic progestins add to BMD when paired with estrogen therapy. These progestins also protect the endometrium in estrogen-treated women. Androgens enhance muscle mass and physical activity. Mechanical loading with hormone therapy boosts bone formation more than either alone.

Androgens influence bone health through direct and indirect pathways. They regulate osteoblast and osteoclast activity via growth factors. Testosterone remains active in periosteal regions without conversion. Androgen therapy improves bone mineral density in women. Combined hormone treatments yield greater BMD gains than single therapies. Androgenic progestins offer dual benefits for bone and endometrial health. Muscle mass and physical activity from androgens stimulate bone formation. Mechanical loading enhances the effects of hormone treatments on bone.