Cannabinoid receptors play an important role in regulating bone mass and bone turnover. Studies in our laboratories have shown that young mice lacking type 1 cannabinoid receptor (CNR1-/-) had increased bone mass and were resistant to ovariectomy-induced bone loss. Other workers have reported that type 2 cannabinoid receptor knockout mice (CNR2-/-) develop age-related osteoporosis. The aim of this PhD thesis was to further investigate the role of CNR2 in bone metabolism in vitro and in vivo, using genetic and pharmacological approaches.
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