摘要
Objectives: To investigate the mechanism of Liuwei Dihuang Pill(六味地黄丸, LDP) in treating postmenopausal osteoporosis(PMOP) with Shen(Kidney) yin deficiency. Methods: In this study, 205 cases of PMOP were divided into the PMOP Shen-yin deficiency group(Group A), PMOP Shen-yang deficiency group(Group B), PMOP without Shen deficiency group(Group C), and control group(Group N). Real-time polymerase chain reaction(RT-PCR) and Western blot techniques were used to observe the effects of LDP treatment on the cardiotrophin-like cytokine factor 1(CLCF1), ankyrin repeat and SOCS box containing 1(ASB1), and prokineticin 2(PROK2) genes and the Janus kinase/signal transducer and activator of transcription(JAK/STAT) signaling pathway. Results: The m RNA(P<0.05) and protein(P<0.01) expression levels of the CLCF1 gene in Group A were significantly lower than the corresponding levels in Group N. After LDP treatment for 3 months, the m RNA expression levels of the CLCF1 gene were obviously up-regulated(P<0.01). After 6-month treatment, the expression levels of CLCF1 m RNA and protein were significantly up-regulated(both P<0.01), and the average bone density of the top femur had significantly increased(P<0.05). In vitro, CLCF1 overexpression resulted in a significant increase in the total protein and phosphorylated protein levels of JAK2 and STAT3. Conclusions: The CLCF1 gene is an important gene associated with PMOP Shen-yin deficiency and the therapeutic effects of LDP may be mediated by up-regulation of CLCF1 gene expression and activation of the JAK/STAT signaling pathway.
Objectives: To investigate the mechanism of Liuwei Dihuang Pill(六味地黄丸, LDP) in treating postmenopausal osteoporosis(PMOP) with Shen(Kidney) yin deficiency. Methods: In this study, 205 cases of PMOP were divided into the PMOP Shen-yin deficiency group(Group A), PMOP Shen-yang deficiency group(Group B), PMOP without Shen deficiency group(Group C), and control group(Group N). Real-time polymerase chain reaction(RT-PCR) and Western blot techniques were used to observe the effects of LDP treatment on the cardiotrophin-like cytokine factor 1(CLCF1), ankyrin repeat and SOCS box containing 1(ASB1), and prokineticin 2(PROK2) genes and the Janus kinase/signal transducer and activator of transcription(JAK/STAT) signaling pathway. Results: The m RNA(P<0.05) and protein(P<0.01) expression levels of the CLCF1 gene in Group A were significantly lower than the corresponding levels in Group N. After LDP treatment for 3 months, the m RNA expression levels of the CLCF1 gene were obviously up-regulated(P<0.01). After 6-month treatment, the expression levels of CLCF1 m RNA and protein were significantly up-regulated(both P<0.01), and the average bone density of the top femur had significantly increased(P<0.05). In vitro, CLCF1 overexpression resulted in a significant increase in the total protein and phosphorylated protein levels of JAK2 and STAT3. Conclusions: The CLCF1 gene is an important gene associated with PMOP Shen-yin deficiency and the therapeutic effects of LDP may be mediated by up-regulation of CLCF1 gene expression and activation of the JAK/STAT signaling pathway.
引文
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