1.Five-year survival analysis and influencing factors of elderly lung cancer patients with chronic obstructive pulmonary disease in Mianyang City
Haishi XUE ; Ling HUANG ; Junjie XIA ; Yu QIU ; Ke GE ; Jincheng WANG ; Yuting CHEN ; Runjiao CHEN ; Lingna LI ; An LAN ; Yan HOU
Journal of Public Health and Preventive Medicine 2026;37(1):138-141
Objective To study the five-year survival status and influencing factors of elderly patients with lung cancer complicated with chronic obstructive pulmonary disease (COPD). Methods A cohort study was conducted to follow up 450 patients with lung cancer and chronic obstructive pulmonary disease who were hospitalized in our hospital from January 2018 to December 2023. The endpoint of the follow-up was the end of a five-year period or death. The Life Tables method was used to calculate survival rates and plot survival curves. The Cox proportional hazards model was used to analyze the influencing factors of five-year survival. Results The results indicated that the overall five-year survival rate of patients was 4.89%, and it decreased year by year. Cox regression analysis showed that age, gender, family functioning, and psychological status significantly influenced patient survival rate (all P<0.05). Stratified analysis found that the smoking status, family functioning, and psychological status of male patients all had an impact on survival rate (all P<0.05), while the psychological status of female patients had a more significant impact on survival (P=0.008). Conclusion This study provides a scientific basis for comprehensive intervention of elderly lung cancer patients with COPD. It is recommended that clinical attention should be paid to psychological and family factors to improve patient prognosis.
2.Evaluation of CARIFS Score and Negative Antigen Conversion Rate of Qingxuan Daozhi Formula in Treatment of Influenza in Children (Heat Accumulation in Lung and Stomach Syndrome):A Multi-center Randomized Controlled Clinical Study
Jing WANG ; Liqun WU ; Tiegang LIU ; Yongning CAO ; Jing QIU ; Jing LI ; Huaqing TAN ; Ying ZHANG ; Xulei GOU ; Jia WANG ; Jing LI ; Haipeng CHEN ; Xueying QIN ; Yuanshuo TIAN ; Yang WANG ; Chen BAI ; Zhendong WANG ; Qianqian LI ; He YU ; Xueyan MA ; Fei DONG ; Lin JIANG ; Yingqi XU ; Jianping LIU ; Xiaohong GU
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(13):188-196
ObjectiveThis paper aims to observe the syndrome improvement and negative antigen conversion rate of Qingxuan Daozhi formula in the treatment of influenza in children (heat accumulation in the lung and stomach syndrome). MethodsThrough a multi-center randomized controlled methodology design,confirmed influenza cases were collected from October 2022 to April 2023 in the pediatrics department of eight hospitals,such as Dongfang Hospital of Beijing University of Chinese Medicine. A total of 180 children with influenza and heat accumulation in the lung and stomach syndrome conforming to the standard were recruited through the clinic. The sick children meeting the inclusion criteria were randomly divided into groups by a block-randomized method. The children in the experimental group were treated with Qingxuan Daozhi formula for five days,and those in the control group were treated with Oseltamivir Phosphate Granules for five days. The primary efficacy indicator was the negative conversion rate of influenza antigen detection. Secondary efficacy indicators were the Canadian acute respiratory illness and flu scale (CARIFS) and the incidence of complications,severe cases, and critical cases. Follow-up observation was conducted on the day of enrollment,48 hours after medication,72 hours after medication, and (6+1) d after medication. ResultsOne hundred and eighty participants were randomly assigned to the experimental group (90 cases) or the control group (90 cases). All participants were followed up during the study. Comparison of influenza antigen detection results in the primary efficacy indicators showed that the average time of negative influenza antigen conversion in the experimental group was (5.29±1.25) d,and that in the control group was (5.40±1.68) d,without a statistically significant difference. After five days of intervention,52 cases in the experimental group and 51 cases in the control group converted to negative,without a statistically significant difference. CARIFS score results in the secondary efficacy indicators showed that during 72 hours after intervention,there were statistically significant differences between the experimental group and the control group in three dimensions, including headache,muscle soreness, and the need for extra care (P<0.05). On the (6+1) days after the intervention,the differences in both the experimental group and the control group were statistically significant in 10 dimensions, including sore throat,bad sleep,uncomfortable feeling,poor spirit and fatigue,crying more than usual,the need for extra care,symptom,function,influence on parents,and total score (P<0.05). The comparison results within the group in the dimensional scores of symptom, function, and influence on parents,as well as the CARIFS total score showed that with the delay of follow-up time,scores of both groups decreased significantly,with a statistically significant difference (P<0.01). Inter-group comparison results showed that the mean score of the experimental group was higher than that of the control group at the time of enrollment. With the progress of intervention,the score of the experimental group was significantly decreased compared with that of the control group. At the end of follow-up,the mean score of the experimental group was lower than that of the control group,with no statistically significant difference. In terms of the incidence of complications,severe cases, and critical cases, there were no complications,severe cases, and critical cases in the two groups,without a statistically significant difference. ConclusionThe symptom improvement effect and negative antigen conversion rate of Qingxuan Daozhi formula in the treatment of influenza in children (heat accumulation in the lung and stomach syndrome) are not inferior to Oseltamivir Phosphate granules, and children's acceptance is better. It can be more widely used in clinical treatment of influenza in children (heat accumulation in the lung and stomach syndrome).
3.Research on the role of 7-dehydrocholesterol reductase in promoting the proliferation, migration, and invasion of lung adenocarcinoma cells
Jing TANG ; Ping QIU ; Renjie CHEN ; Yaqing LIU ; Hui LIU ; Yu LIU ; Liwen CHEN
Acta Universitatis Medicinalis Anhui 2026;61(5):819-826
ObjectiveTo investigate the effects of 7-dehydrocholesterol reductase (DHCR7) in promoting proliferation, migration, and invasion of lung adenocarcinoma cells and the underlying signaling mechanisms. MethodsThe expression level of DHCR7 in lung adenocarcinoma and its prognosis were analyzed by using public databases. DHCR7 protein expression levels in the lung adenocarcinoma cell lines H1299 and A549 were assessed by Western blot, using the normal lung epithelial cell line BEAS-2B as a control. Small interfering RNA (siRNA) was used to knock down DHCR7 expression in H1299 and A549 cells. Assays including colony formation, CCK-8, wound healing, and Transwell experiments were conducted to assess the proliferation, migration, and invasion of the knockdown cells. Next, Western blot was employed to assess the phosphorylation levels of key signaling molecules in the phosphoinositide 3-kinase/protein kinase B (PI3K/AKT), janus kinase/signal transducer and activator of transcription 3 (JAK/STAT3),mitogen-activated protein kinase/extracellular signal-regulated kinase pathway (MAPK/ERK) (p-AKT, p-STAT3, p-ERK). ResultsBioinformatics results indicated that both DHCR7 mRNA and protein were highly expressed in lung adenocarcinoma compared with normal tissues adjacent to cancer. Furthermore, higher DHCR7 mRNA level was associated with poor prognosis (P<0.001). The expression levels of DHCR7 were significantly higher in both H1299 and A549 cells than that in BEAS-2B cells (P<0.05, P<0.01). Compared with si-control, the proliferation, migration, and invasion abilities of si-DHCR7 H1299 and A549 cells significantly decreased. Among the phosphorylated signaling molecules detected, p-ERK was significantly downregulated (P<0.000 1, P<0.01) whereas p-AKT and p-STAT3 levels were not significantly changed. ConclusionDHCR7 has prominent effects in promoting the proliferation, migration, and invasion of lung adenocarcinoma cells, and the underlying mechanisms are related to the MAPK/ERK signaling pathway.
4.Expert consensus on the application of artificial intelligence in lung cancer screening, diagnosis, and treatment (2026 edition)
Wenzhao ZHONG ; Haibo WANG ; Yi HU ; Hao ZHANG ; Jigang DAI ; Junqiang FAN ; Guibin QIAO ; Fan YANG ; Jian HU ; Fengwei TAN ; Xuening YANG ; Qiang PU ; Zihao CHEN ; Hongxia TIAN ; Lunxu LIU ; Hecheng LI ; Xiaolong YAN ; Zongyang YU ; Zhenbin QIU ; Yihua SUN ; Jing HU ; Yuhang SHI ; Zhifei GUO ; Peng ZHANG ; Kezhong CHEN ; Shugeng GAO ; Yilong WU
Chinese Journal of Clinical Thoracic and Cardiovascular Surgery 2026;33(06):848-856
With the continuous deepening of the concept of precision diagnosis and treatment for lung cancer, how to achieve higher efficiency and accuracy in the screening, diagnosis, and treatment pathways in clinical practice has become an important issue that urgently needs to be overcome. The current clinical difficulty lies in the fact that despite continuous advancements in imaging and molecular diagnostic technologies, there are still limitations in manual efficiency and subjective experience when it comes to massive data analysis and multi-scale feature extraction. Artificial intelligence (AI), especially algorithm systems based on deep learning, is an innovative technology capable of deeply empowering medical big data. This method utilizes algorithms such as convolutional neural networks, combined with radiomics, pathomics, and multi-modal data fusion analysis, demonstrating immense potential in early precise detection and benign-malignant differentiation of pulmonary nodules, digital pathological subtype recognition and non-invasive prediction of driver genes, precise 3D surgical planning and automatic delineation of radiotherapy target volumes, as well as dynamic risk warning during follow-up. This innovative technology provides a brand-new solution for realizing intelligent and individualized lung cancer diagnosis and treatment models. This consensus, based on the latest evidence from evidence-based medicine and combined with the development trends in the AI field and real-world clinical needs, was ultimately formed by gathering the consensus opinions of multidisciplinary experts in radiology, pathology, thoracic surgery, and other fields. The main content covers the application specifications of AI in the three core scenarios of lung cancer screening, diagnosis, and treatment, the technical standards for data collection and algorithm validation, as well as the ethical and regulatory challenges faced at the current stage. It aims to clarify the applicable boundaries of AI as a clinical auxiliary decision support tool, providing scientific guidance and standardized exploration directions for peers currently engaged in or planning to carry out AI-assisted clinical diagnosis, treatment, and translation of lung cancer.
5.Danggui Shaoyaosan Alleviates Cognitive Impairment by Regulating Ketone Body Metabolism and Glutamate/AMPAR Pathway
Shasha WANG ; Xin WANG ; Kexin GONG ; Yi QIU ; Yanzi YU ; Jiaqun SUN ; Wenxuan CHEN ; Huifei WU ; Weirong LI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(18):44-52
ObjectiveTo investigate whether the effect of Danggui Shaoyaosan (DSS) on cognitive impairment is related to its promotion of ketone body metabolism in the brain and regulation of glutamate/α-amino-3-hydroxy-5-methyl-4-isox-azolepropionic acid receptor (AMPAR) pathway. MethodsMale APP/PS1 mice were randomized into model, low-dose (3.2 g
6.Effects of platelet-rich fibrin extract on injured endometrial stromal cells induced by mifepristone and its mechanism study
Ping QIU ; Jing TANG ; Yu LIU ; Hui LIU ; Yaqing LIU ; Renjie CHEN ; Jun SHEN ; Liwen CHEN
Acta Universitatis Medicinalis Anhui 2026;61(8):1364-1374
ObjectiveTo investigate the biological reparative effects of platelet-rich fibrin (PRF) extract on injured endometrial stromal cells (ESCs) induced by mifepristone and the underlying molecular mechanisms. MethodsAn ESCs injury model was established using mifepristone treatment. Cells were divided into four groups: untreated control (Con), mifepristone-injured group (M), mifepristone treatment+PRF extract group (M+P), and mifepristone treatment+PRF extract+growth factor inhibitors treatment group, including M+P+T, M+P+Me, and M+P+CJ. Cell viability was detected using the CCK-8 assay, and migration ability was evaluated via the scratch wound healing assay. The release kinetics of growth factors, including vascular endothelial growth factor (VEGF), platelet-derived growth factor-BB (PDGF-BB), and transforming growth factor-beta 1 (TGF-β1) from PRF extract were measured by ELISA. The mRNA and protein expression levels of apoptosis-related factors (Bcl-2, Bax, and Caspase-3) were analyzed by RT-qPCR and Western blot, respectively. ResultsVEGF, PDGF-BB, and TGF-β1 were continuously released from the PRF extract over two weeks, with peak release observed on days 3-7. The extract significantly restored the proliferation and migration of mifepristone-injured ESCs (all P<0.000 1). PRF extract up-regulated the mRNA and protein expression of the anti-apoptotic factor Bcl-2 (all P<0.000 1) and down-regulated that of the pro-apoptotic factors Bax and Caspase-3 (all P<0.000 1) in mifepristone-injured ESCs. Inhibitors of VEGF, PDGF-BB, and TGF-β1 (Tanshinone IIA, Methylnissolin, and CJJ300) significantly reversed the protective effects of PRF extract on mifepristone-injured ESCs (all P<0.05). ConclusionPRF extract promotes the repair of injured ESCs by enhancing cell proliferation, attenuating apoptosis, and increasing migration capacity, which involve multiple growth factors, including VEGF, PDGF-BB, and TGF-β1.
7.Clinical Efficacy of Yishen Jiangtang Decoction Combined with Conventional Western Medicine Treatment for Diabetic Kidney Disease with Pattern of Qi-Yin Deficiency Combined with Dampness-heat and Blood Stasis
Yunjie YANG ; Yasheng DENG ; Kaiying HE ; Qi ZHANG ; Yongxin YU ; Yaqing RUAN ; Zhuang HAN ; Qiwei CHEN ; Yi WEI ; Qiu CHEN ; Jing WU ; Mingqian JIANG ; Shiwei RUAN ; Jianting WANG ; Yuliang QIU ; Lixiang ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(21):157-167
ObjectiveTo observe the clinical efficacy and safety of Yishen Jiangtang decoction combined with conventional Western medicine treatment in managing stage G3A3 diabetic kidney disease (DKD) in the patients with the pattern of Qi-Yin deficiency combined with dampness-heat and blood stasis, and to explore its mechanism of inhibiting the endoplasmic reticulum stress (ERS)-apoptosis axis and delaying renal fibrosis (RF). MethodsA single-center, randomized, parallel-controlled clinical trial was conducted. A total of 78 patients diagnosed with stage G3A3 DKD and traditional Chinese medicine (TCM) pattern of Qi-Yin deficiency combined with dampness-heat and blood stasis and treated in the Department of Nephrology and the Department of Endocrinology of the People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine from March 2025 to February 2026 were enrolled. They were randomly assigned at a 1∶1 ratio into a control group (conventional Western medicine treatment) and an experimental group (Yishen Jiangtang decoction combined with conventional Western medicine treatment), with 39 patients in each group. The treatment lasted for 12 weeks. Basic demographic data and medical history were collected before and after treatment. The two groups before and after treatment were compared in terms of the following parameters: Blood urea nitrogen (BUN), serum creatinine (SCr), estimated glomerular filtration rate (eGFR), urinary albumin-to-creatinine ratio (UACR), fasting blood glucose (FBG), triglycerides (TG), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C). Enzyme-linked immunosorbent assay (ELISA) kits were used to measure serum glucose-regulated protein 78 (GRP78), serum cysteinyl aspartate-specific protease-3 (Caspase-3), and serum and urinary transforming growth factor-β1 (TGF-β1) levels before and after treatment. TCM symptom scores, TCM syndrome efficacy, and overall clinical efficacy were evaluated before and after treatment. Spearman correlation analysis was performed to explore the correlations of serum levels of GRP78 and Caspase-3, as well as serum and urinary levels of TGF-β1, with renal function, proteinuria, and glucose and lipid metabolism indicators in patients with DKD. In addition, safety indicators were also monitored. ResultsA total of 75 patients completed the study (38 in the control group and 37 in the experimental group). ① Baseline data: The two groups were comparable in terms of sex and age, with no statistically significant difference. ② Efficacy outcomes: Compared with baseline levels, both groups showed reductions in BUN, SCr, UACR, FBG, TG, TC, LDL-C, and TCM symptom scores (P<0.01) and increases in eGFR level (P<0.01). Moreover, the experimental group outperformed the control group in altering the indicators above (P<0.05). Regarding TCM syndrome efficacy, the total response rate in the experimental group was 83.78%, which was higher than that (57.89%) in the control group (P<0.05). Regarding overall clinical efficacy, the total response rate in the experimental group was 78.38%, which was higher than that (50.00%) in the control group (P<0.05). ③ Mechanism outcomes: Compared with baseline levels, both groups showed declined serum levels of GRP78, Caspase-3, and TGF-β1 and urinary level of TGF-β1 after treatment (P<0.01). Moreover, the experimental group showed greater declines than the control group (P<0.05). The serum levels of GRP78, Caspase-3,and TGF-β1 and the urinary level of TGF-β1 in DKD patients showed positive correlations with BUN, SCr, UACR, and FBG and negative correlations with eGFR (P<0.05). ④ Safety outcomes: Neither group showed drug-related adverse reactions, and laboratory safety parameters remained within normal ranges. ConclusionYishen Jiangtang decoction combined with conventional Western medicine treatment may safely and effectively alleviate clinical symptoms, correct glucose and lipid metabolism disorders, and protect the renal function in patients with stage G3A3 DKD and the pattern of Qi-Yin deficiency combined with dampness-heat and blood stasis. The mechanism may be associated with inhibition of the ERS-apoptosis axis and delay of the RF process.
8.Clinical Efficacy of Yishen Jiangtang Decoction Combined with Conventional Western Medicine Treatment for Diabetic Kidney Disease with Pattern of Qi-Yin Deficiency Combined with Dampness-heat and Blood Stasis
Yunjie YANG ; Yasheng DENG ; Kaiying HE ; Qi ZHANG ; Yongxin YU ; Yaqing RUAN ; Zhuang HAN ; Qiwei CHEN ; Yi WEI ; Qiu CHEN ; Jing WU ; Mingqian JIANG ; Shiwei RUAN ; Jianting WANG ; Yuliang QIU ; Lixiang ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(21):157-167
ObjectiveTo observe the clinical efficacy and safety of Yishen Jiangtang decoction combined with conventional Western medicine treatment in managing stage G3A3 diabetic kidney disease (DKD) in the patients with the pattern of Qi-Yin deficiency combined with dampness-heat and blood stasis, and to explore its mechanism of inhibiting the endoplasmic reticulum stress (ERS)-apoptosis axis and delaying renal fibrosis (RF). MethodsA single-center, randomized, parallel-controlled clinical trial was conducted. A total of 78 patients diagnosed with stage G3A3 DKD and traditional Chinese medicine (TCM) pattern of Qi-Yin deficiency combined with dampness-heat and blood stasis and treated in the Department of Nephrology and the Department of Endocrinology of the People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine from March 2025 to February 2026 were enrolled. They were randomly assigned at a 1∶1 ratio into a control group (conventional Western medicine treatment) and an experimental group (Yishen Jiangtang decoction combined with conventional Western medicine treatment), with 39 patients in each group. The treatment lasted for 12 weeks. Basic demographic data and medical history were collected before and after treatment. The two groups before and after treatment were compared in terms of the following parameters: Blood urea nitrogen (BUN), serum creatinine (SCr), estimated glomerular filtration rate (eGFR), urinary albumin-to-creatinine ratio (UACR), fasting blood glucose (FBG), triglycerides (TG), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C). Enzyme-linked immunosorbent assay (ELISA) kits were used to measure serum glucose-regulated protein 78 (GRP78), serum cysteinyl aspartate-specific protease-3 (Caspase-3), and serum and urinary transforming growth factor-β1 (TGF-β1) levels before and after treatment. TCM symptom scores, TCM syndrome efficacy, and overall clinical efficacy were evaluated before and after treatment. Spearman correlation analysis was performed to explore the correlations of serum levels of GRP78 and Caspase-3, as well as serum and urinary levels of TGF-β1, with renal function, proteinuria, and glucose and lipid metabolism indicators in patients with DKD. In addition, safety indicators were also monitored. ResultsA total of 75 patients completed the study (38 in the control group and 37 in the experimental group). ① Baseline data: The two groups were comparable in terms of sex and age, with no statistically significant difference. ② Efficacy outcomes: Compared with baseline levels, both groups showed reductions in BUN, SCr, UACR, FBG, TG, TC, LDL-C, and TCM symptom scores (P<0.01) and increases in eGFR level (P<0.01). Moreover, the experimental group outperformed the control group in altering the indicators above (P<0.05). Regarding TCM syndrome efficacy, the total response rate in the experimental group was 83.78%, which was higher than that (57.89%) in the control group (P<0.05). Regarding overall clinical efficacy, the total response rate in the experimental group was 78.38%, which was higher than that (50.00%) in the control group (P<0.05). ③ Mechanism outcomes: Compared with baseline levels, both groups showed declined serum levels of GRP78, Caspase-3, and TGF-β1 and urinary level of TGF-β1 after treatment (P<0.01). Moreover, the experimental group showed greater declines than the control group (P<0.05). The serum levels of GRP78, Caspase-3,and TGF-β1 and the urinary level of TGF-β1 in DKD patients showed positive correlations with BUN, SCr, UACR, and FBG and negative correlations with eGFR (P<0.05). ④ Safety outcomes: Neither group showed drug-related adverse reactions, and laboratory safety parameters remained within normal ranges. ConclusionYishen Jiangtang decoction combined with conventional Western medicine treatment may safely and effectively alleviate clinical symptoms, correct glucose and lipid metabolism disorders, and protect the renal function in patients with stage G3A3 DKD and the pattern of Qi-Yin deficiency combined with dampness-heat and blood stasis. The mechanism may be associated with inhibition of the ERS-apoptosis axis and delay of the RF process.
9.Availability and use of child safety seats among children aged 0-3 years
CHEN Bo ; WANG Xihui ; QIU Fengqian ; YU Yan ; GAO Shuna ; HE Lihua ; LI Weiyi ; JI Yunfang ; CHEN Weihua
Journal of Preventive Medicine 2025;37(1):21-25
Objective:
To investigate the availability and use of child safety seats among children aged 0-3 years, so as to provide the basis for improving riding safety for children.
Methods:
Parents of children aged 0-3 years in Huangpu District, Shanghai Municipality, were recruited using the stratified multistage random sampling method from May to July 2024. Demographic information, family travel patterns, the use of child safety seat and related health beliefs were collected using questionnaire surveys. Factors affecting the use of child safety seats were identified using a multivariable logistic regression model.
Results:
Totally 514 valid questionnaires were recovered, with an effective rate of 96.98%. The respondents included 122 fathers (23.74%) and 392 mothers (76.26%), with a median age of 34.00 (interquartile range, 5.00) years. There were 446 families equipping with child safety seats, accounting for 86.77%; and 169 families using child safety seats, accounting for 32.88%. Multivariable logistic regression analysis showed that the parents who had children aged >1-2 years (OR=0.597, 95%CI: 0.366-0.973), travelled 2-4 times per month (OR=0.359, 95%CI: 0.213-0.607) or once per month or less (OR=0.384, 95%CI: 0.202-0.729), and scored high in perceived barrier (OR=0.634, 95%CI: 0.486-0.827) were less likely to use child safety seats; the parents who had children with local household registration (OR=2.506, 95%CI: 1.356-4.633), travelled 5-<10 km (OR=1.887, 95%CI: 1.148-3.101) or ≥10 km (OR=2.319, 95%CI: 1.355-3.967), always wore seat belts (OR=2.342, 95%CI: 1.212-4.524), scored high in perceived susceptibility (OR=1.392, 95%CI: 1.091-1.778) and self-efficacy (OR=1.413, 95%CI: 1.156-1.727) were more likely to use child safety seats.
Conclusions
Equipping family cars with child safety seats and using them can prevent and reduce traffic injuries among children aged 0-3 years. It is recommended to strengthen publicity to promote the use of child safety seats.
10.Effects of the prolyl hydroxylase 2 inhibitor cpd17 on mouse osteogenic precursor cells
Zhongqiu DU ; Xiaoyang QI ; Ping YANG ; Jianglin YU ; Yixin CHEN ; Linjian ZHANG ; Xusheng QIU
Chinese Journal of Tissue Engineering Research 2025;29(2):238-244
BACKGROUND:Prolyl hydroxylase domain 2(PHD2)inhibitors can regulate bone metabolism and relieve osteoporosis in ovariectomized rats.cpd17 is a small molecule oral PHD2 inhibitor newly developed by China Pharmaceutical University.It is effective in the treatment of renal anemia with few side effects,but its effect on bone formation and bone resorption is still unclear. OBJECTIVE:To investigate the effects of cpd17 on mouse osteogenic precursor cells. METHODS:Osteogenic precursor cells were treated with cpd17.Alkaline phosphatase activity and extracellular matrix mineralization were measured,and the expression levels of osteogenesis-and osteoclastogenesis-related markers,as well as PHD2 and hypoxia-inducible factor 1α,were detected.After inhibition of the hypoxia-inducible factor 1α pathway using LW6(a hypoxia-inducible factor 1α pathway inhibitor),alkaline phosphatase activity and extracellular matrix mineralization were detected again,as well as the expression levels of osteogenesis-and osteoclastogenesis-related markers,PHD2 and hypoxia-inducible factor 1α. RESULTS AND CONCLUSION:cpd17 significantly enhanced alkaline phosphatase activity and extracellular matrix mineralization,up-regulated the expression of osteogenesis-related markers,down-regulated the expression of osteoclastogenesis-related markers,up-regulated the expression of hypoxia-inducible factor 1α,down-regulate the expression of PHD2.However,cpd17's effects were significantly attenuated by LW6.To conclude,the PHD2 inhibitor cpd17 promotes osteogenic differentiation and inhibits osteoclastic differentiation through activation of the hypoxia-inducible factor 1α signaling pathway.


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