FAEE exerts a protective effect against osteoporosis by regulating the MAPK signalling pathway

Area of Science:

• Biochemistry
• Pharmacology
• Cell Biology

Background:

• Ferulic acid ethyl ester (FAEE), abundant in Ligusticum chuanxiong and grains, exhibits various biological activities.
• The impact of FAEE on osteoporosis has not been previously investigated.

Purpose of the Study:

• To determine if FAEE can inhibit osteoclastogenesis.
• To evaluate FAEE's efficacy in alleviating ovariectomy-induced osteoporosis.
• To investigate the role of the mitogen-activated protein kinase (MAPK) pathway in FAEE's effects.

Main Methods:

• RAW 264.7 cells were stimulated with RANKL and treated with FAEE to assess osteoclast formation.
• Osteoclast-specific gene and protein expression, along with MAPK signaling, were analyzed.
• Ovariectomized (OVX) rats received FAEE treatment for 12 weeks, followed by histological analysis and cytokine measurements.

Main Results:

• FAEE significantly suppressed RANKL-induced osteoclast formation and the expression of osteoclast-specific markers.
• FAEE inhibited the MAPK signaling pathway, including ERK, JNK, and p38.
• In OVX rats, FAEE treatment helped maintain calcium balance, increased estradiol levels, and reduced bone loss, indicated by improved BMD and BMC.

Conclusions:

• FAEE demonstrates potential in ameliorating osteoporosis by acting through the MAPK signaling pathway.
• FAEE is a promising therapeutic candidate for the treatment of osteoporosis.