{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,6]],"date-time":"2025-11-06T11:57:07Z","timestamp":1762430227531,"version":"3.33.0"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2007,9,4]],"date-time":"2007-09-04T00:00:00Z","timestamp":1188864000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal Cellular Physiology"],"published-print":{"date-parts":[[2008,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Oral administration of ajulemic acid (AjA), a cannabinoid acid devoid of psychoactivity, prevents joint tissue injury in rats with adjuvant induced arthritis. Because activation of osteoclasts is central to the pathogenesis of bone erosion in patients with rheumatoid arthritis (RA), we investigated the influence of AjA on osteoclast differentiation and survival. Osteoclast cultures were established by stimulation of RAW264.7 cells and primary mouse bone marrow cultures with receptor activator of NF\u2010\u03baB ligand (RANKL). Simultaneous addition of AjA (15 and 30 \u00b5M) and RANKL to both culture systems significantly suppressed development of multinucleated osteoclasts (osteoclastogenesis) in a dose dependent manner, as determined by quantification of multinuclear, tartrate\u2010resistant acid phosphatase (TRAP)\u2010positive cells. AjA impaired growth of RAW264.7 monocytes and prevented further osteoclast formation in cultures in which osteoclastogenesis had already begun. Reduction by AjA of both monocyte growth and osteoclast formation was associated with apoptosis, assayed by annexin V and propidium iodide staining, and caspase activity. The anti\u2010osteoclastogenic effects of AjA did not require the continuous presence of AjA in the cell cultures. Based on these findings, we propose that AjA or other nonpsychoactive synthetic analogs of<jats:italic>Cannabis<\/jats:italic>constituents may be useful therapy for diseases such as RA and osteoporosis in which bone resorption is a central feature. J. Cell. Physiol. 214: 714\u2013720, 2008. \u00a9 2007 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/jcp.21263","type":"journal-article","created":{"date-parts":[[2007,9,4]],"date-time":"2007-09-04T16:17:51Z","timestamp":1188922671000},"page":"714-720","source":"Crossref","is-referenced-by-count":32,"title":["Ajulemic acid, a nonpsychoactive cannabinoid acid, suppresses osteoclastogenesis in mononuclear precursor cells and induces apoptosis in mature osteoclast\u2010like cells"],"prefix":"10.1002","volume":"214","author":[{"given":"Kerri L.","family":"George","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura H.","family":"Saltman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gary S.","family":"Stein","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jane 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