1.Traditional Chinese Medicine Regulates Oxidative Stress to Prevent and Treat Osteoporosis: A Review
Hu YANG ; Yu ZHENG ; Chengming JIA ; Tong WANG ; Guangfei ZHANG ; Yaoyao JI
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(15):277-285
Osteoporosis is a common bone metabolic disease, which is mainly characterized by the decrease in the number of bone trabeculae and the destruction of bone tissue microstructure, leading to increased bone fragility and fracture risks. This disease is common in postmenopausal women, elderly men, diabetes patients, and obese people. Due to the lack of awareness to prevent bone losses and the limitations of bone mass measurement methods, osteoporosis is only concerned when there are serious complications, which imposes a heavy burden on both patients and medical resources. Oxidative stress refers to the excessive production of highly active molecules such as reactive oxygen species and reactive nitrogen in the body subjected to harmful stimuli, leading to the imbalance between the oxidative and antioxidant systems and causing oxidative damage. Studies have shown that oxidative stress can increase the generation and activity of osteoclasts and inhibit the differentiation of osteoblasts, thus playing a role in the occurrence and development of osteoporosis. Traditional Chinese medicine (TCM) is considered an effective antioxidant that can alleviate oxidative stress-induced osteoporosis by regulating a variety of signaling pathways. Studies have shown that TCM can alleviate oxidative stress and promote bone angiogenesis and osteogenesis by regulating the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (Akt), nuclear factor-kappa B, and nuclear factor erythroid 2-related factor (Nrf2) signaling pathways. TCM alleviates oxidative stress and promotes osteogenesis by regulating the Nrf2, PI3K/Akt/mammalian target of rapamycin, and secreted glycoprotein Wnt/β-catenin signaling pathways. In addition, TCM regulates NF-κB, mitogen-activated protein kinase, and receptor activator of nuclear factor kappa B (RANK)/RANK ligand/osteoprotegerin signaling pathway to alleviate excessive bone resorption induced by oxidative stress. This paper systematically summarizes the literature on the prevention and treatment of osteoporosis by TCM or its active ingredients via the above-mentioned signaling pathways to reduce oxidative stress in recent years. It briefs the possible molecular mechanisms of oxidative stress regulation-related signaling pathways to cause osteoporosis. In addition, this paper discusses the effects and mechanisms of TCM on bone angiogenesis, osteogenesis, and bone resorption by reducing oxidative stress through the regulation of related signaling pathways, aiming to provide a theoretical basis for the research and clinical treatment of osteoporosis.
2.Electroencephalography applied in autism spectrum disorder research in decade:a bibliometrics analysis
Zhe ZHANG ; Xianwen DONG ; Chengming XU ; Wenjing HU ; Tingli HE ; Xinxin CUI ; Hongyan XU ; Zhangying ZHOU ; Ya'nan HAN
Chinese Journal of Rehabilitation Theory and Practice 2024;30(6):693-700
Objective To analyze the current state,research hotspots,and development trends of electroencephalography(EEG)applied in the field of autism spectrum disorder(ASD). Methods Relevant literature from the Web of Science core collection database from January,2014 to January,2024 were retrieved and analyzed using CiteSpace 6.2.R4. Results A total of 1 509 articles were included,with an increasing trend in publication volume over the years.The United States ranked highest in both publication volume and node centrality.The primary journals in this field were concentrated in clinical medicine,immunology and psychology.Keyword co-occurrence and clustering indicated that research primarily focused on the correlation between core symptoms of ASD and EEG indicators,differential diagnosis of ASD and its comorbidities,brain functional connectivity,and assessment of rehabilitation efficacy.Keywords bursted in the past three years mainly included artificial intelligence and machine learning. Conclusion The researches in EEG technology in the field of ASD is generally increasing.Future researches may focus on exploring the brain network mechanisms of ASD using EEG combined with multimodal neuroimaging,and machine learning technologies.
3.Efficacy and safety of carboplatin+etoposide regimens combined with abiraterone+prednisone in patients with metastatic castration-resistant prostate cancer
Xie CHENGMING ; Hu LINJUN ; Tian JUN ; Bai HONGSONG ; Shan XINGLI ; Chen YONGHAI ; Ning HOUSHAN ; Xing SIJIA ; Ni DONGLIN
Chinese Journal of Clinical Oncology 2024;51(10):510-513
Objective:To assess the efficacy and toxicities of carboplatin+etoposide(CE)regimens combined with abiraterone+prednisone(AAP)in patients with metastatic castration-resistant prostate cancer(mCRPC)after progression with docetaxel+prednisone(DP)regimens chemotherapy and novel hormone therapy(NHT).Methods:Retrospective analysis of mCRPC treated with DP regimens chemotherapy and/or NHT after progression,received CE regimens with AAP every 3 weeks for one cycle×6 cycles.The outcome were prostate specific an-tigen(PSA)response rate,time to PSA progression(TTPP),radiographic progression-free survival(rPFS),30%reduction in PSA,90%reduc-tion in PSA,the objective response remission rate and overall survival(OS).Results:From March 2019 to February 2024,37 eligible mCRPC patients were admitted to Cancer Hospital of Huanxing Chaoyang District Beijing and National Cancer Center/National Cancer Clinical Re-search Center/Cancer Hospital.After progression,CE regimens combined with AAP regimens was used for treatment.The median follow-up was 12.0(3.0-57.0)months.The median treatment cycle was 4 cycles.The PSA response rate was 42.1%.The median TTPP was 4.0 months;the median rPFS was 8.9 months and the median OS was 15.0 months.The objective remission rate was 24.3%,the proportion of 30%de-crease in PSA was 59.5%,and the proportion of 90%decrease in PSA was 16.2%.As for treatment side effects,10 cases had grade 3 or higher adverse reactions.Conclusions:CE regimens combined with AAP for mCRPC patients who failed DP regimens chemotherapy and/or NHT initially showed good clinical efficacy and tolerability.Additional sample size and follow-up time are needed to further validate the effic-acy.
4.Utilization of health management services in new urban population and its influence factors
Chengming YUAN ; Xuewen ZHANG ; Runxuan HU ; Shumeng YAO ; Lei SUN ; Chaofan SUN ; Daoxing LIU
Chinese Journal of Health Management 2023;17(2):111-117
Objective:To investigate the utilization of health management services and its influencing factors among new urban population.Methods:It is a cross-sectional study. From July 2020 to March 2021, a stratified random sampling method was used to extract 1978 new urban population in Jining city, and an anonymous self-administered questionnaire survey was conducted using a self-made questionnaire ′Residents Health Questionnaire′. The survey included general demographic characteristics, personal behavior lifestyle and medical care status. The χ2 test and binary logistic regression were used to analyze the factors influencing the utilization of health management services by new urban population. Results:The overall utilization of health management services in the new urban population was 47.22%. There were significant differences in utilization of health management services among new urban population with different gender, age, education level, occupation and monthly income. Binary logistic regression analysis showed that female ( OR=1.354, 95% CI: 1.094-1.676), people aged over 60 years ( OR=1.873, 95% CI: 1.413-2.483), people with a mean monthly income over 3 000 yuan ( OR=1.498, 95% CI: 1.123-1.997), people engaged in light manual labor ( OR=1.596, 95% CI: 1.003-2.539), people who exercise regularly( OR=2.400, 95% CI: 2.028-2.841) and people having social basic medical insurance ( OR=2.633, 95% CI: 2.042-3.394) had better utilization of health management projects. People who sat more than 3 hours a day ( OR=0.630, 95% CI: 0.532-0.745) had lower utilization of health management care. Conclusion:The utilization of health management projects in the new urban population is low. Gender, age, monthly income, physical exercise, sedentary time, daily labor intensity and social basic medical insurance status are the main influencing factors.
5.Advances in several important antimicrobial lipopeptids from Bacillus spp.
Daoming LI ; Ying WANG ; Chao CHEN ; Mingbai ZENG ; Qianru LI ; Qingyun JIA ; Xiuli LIU ; Yongyue HOU ; Chengming FAN ; Yuhong CHEN ; Zanmin HU
Chinese Journal of Biotechnology 2022;38(5):1768-1783
Bacillus spp. are probiotics and can secrete a variety of natural antimicrobiol active substances, of which lipopeptides are an important class. Up to now, about 90 lipopeptides have been identified, and most of them are cyclic lipopeptides. surfactin, iturin, fengycin, bacillomycin and polymyxins are widely studied, and the first three have huge potential for application due to their properties of surfactants and anti-fungal, anti-bacterial, anti-viral, anti-tumor and anti-inflammatory functions. In this paper, the research progress in the structure, function, synthesis regulation, separation, purification and production of surfactin, iturin and fengycin was reviewed. Synthetic biology is a vital means to increase the yield of lipopeptides, and in the future, lipopeptides can be used in crop cultivation, animal farming, food, medicine and petroleum industries as well as environmental protection. Future research should be strengthened on the discovery of new lipopeptides, synthesis of high-activity lipopeptides, economical production of lipopeptides on a large scale and their safety evaluation.
Anti-Bacterial Agents
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Anti-Infective Agents/pharmacology*
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Bacillus
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Bacillus subtilis
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Lipopeptides/pharmacology*
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Peptides, Cyclic/pharmacology*
6.Treatment of acetabular anterior column fracture with percutaneous screw fixation with laser-assisted axial fluoroscopy
Juzheng HU ; Zhanying SHI ; Renchong WANG ; Hao WU ; You XIE ; Chunhua MAO ; Boyu LIU ; Jingli TANG ; Chengming ZHU ; Dan ZHOU ; Bing LI
Chinese Journal of Orthopaedics 2020;40(5):302-309
Objective:To investigate the feasibility and clinical efficacy of percutaneous screw fixation for acetabular anterior column fracture with laser-assisted axial fluoroscopy.Methods:Data of 20 patients (22 sided) with acetabular anterior column fracture treated by percutaneous screw fixation with laser-assisted axial fluoroscopy from January 2017 to December 2018 were retrospectively analyzed. There were 11 males and 9 females with an average of 42.1±3.2 years (range, 24-68 years). There were 7 cases of unilateral acetabular anterior column fracture, 2 cases of bilateral acetabular anterior column fracture (4 sides), 7 cases of anterior column with ipsilateral sacral fracture, and 4 cases of anterior column with sacroiliac joint injury. There were 3 hips of Area I, 6 Area II, 13 Area III of acetabular anterior column fractures according to Nakatani partition. The time from injury to surgery was 5 days (range, 3-11 days). All patients with acetabular anterior column fractures were fixed by percutaneous screw fixation with laser-assisted axial fluoroscopy, and patients with sacral fracture or sacroiliac joint injury were fixed by percutaneous sacroiliac screws with Starr frame-assisted reduction. The time of operation, the number of intraoperative fluoroscopy and the amount of intraoperative bleeding were recorded. Matta scoring criteria were used to assess fracture reduction quality, and hip function was assessed at the last follow-up according to the modified Merle D' Aubigné and Postel scoring system.Results:The average operative time was 22±10 min (range, 20-40 min) with an average times of intraoperative fluoroscopy of 30±8 times (range, 21-45 times), and the amount of intraoperative blood loss was 20±5 ml (range, 10-40 ml). 20 patients were followed up after operation for a period of 14±3.1 months (range, 12-18 months). The quality of postoperative fracture reduction was assessed according to the Matta acetabular fracture reduction criteria: anatomical reduction in 18 hips, satisfactory reduction in 2 hips, unsatisfactory reduction in 2 hips, with an excellent and good rate of 91% (20/22). The fracture healing time was 13±2.2 weeks (range, 11-16 weeks). At the lastest follow-up, hip function was assessed according to the modified Merle D' Aubigné and Postel scoring system: excellent 18, good 3, fair 1, and the satisfactory rate was 95%(21/22). No major neurological, vascular injury, wound infection and ectopic ossification were found during follow-up.Conclusion:Using laser-assisted axial fluoroscopy percutaneous screw to treat acetabular anterior column fracture, the operation is simple. And there is low risk to damage important blood vessels and nerves. This method can shorten the operation time of acetabular anterior column fracture, reduce the amount of blood loss during the operation, and the outcome is satisfactory.
7.An experimental study of blood clearance, tissue distribution and safety of high dose intravenous fish oilmedium chain triglycerides lipid emulsion in mice
Qiulin ZHUANG ; Chengming HU ; Deckelbuam J RICHARD ; Huanzhong DING ; Guohao WU
Chinese Journal of Clinical Nutrition 2019;27(1):51-56
Objective To evaluate the blood clearance,tissue uptake and distribution as well as safety of high dose-40 mg intravenous fish oil/'medium chain triglycerides (FO/MCT:2 ∶ 8,wt/wt) lipid emulsions iu mice by measuriug the contents of triglycerides (TG) and free fatty acids (FFA) level in blood.Methods FO/MCT emulsions were radiolabeled with nondegradable [3H] cholesteryl ether to trace core particle metabolism in C57BL/6J mice following a bolus injection.For high dose,TG was 40 mg,100 times of low dose.Blood samples were obtained within 25 min to analyze TG and FFA concentrations;extracted organs were used to measure the tissue distribution of lipid emulsions.Results No animal in either group died,and no fat overload syndrome evidence was found after high dose injection.Compared with low dose,high dose injection increased the plasma TG and FFA concentrations rapidly;the emulsions were cleared significantly slower during 25 min after administration in mice;blood has a higher uptake ratio in organs,but heart has a lower one;there was no significant difference in liver and lung uptake ratio between the two groups.Conclusions High dose injection of FO/MCT is not fatal in mice.The animals only experience hypertriglyceridemia and high level of free fatty acids during a significant slower blood clearance period compared to low dose.Although blood clearance is slower,the blood uptake rate increases for further metabolism and clearance.Heart and lung functions are not affected as a lower cardiac and pulmonary uptake;blood uptakes more emulsions to further metabolize.FO/MCT may not induce fat overload syndrome in mice when administered with a super high dose.
8.Minimally invasive posterior reconstructive plating by parallel Kirschner wires for unstable posterior pelvic fractures
Chengming ZHU ; Zhanying SHI ; Juzheng HU ; Renchong WANG ; Jianming HE ; Yongbao QIN
Chinese Journal of Orthopaedic Trauma 2019;21(6):504-510
Objective To explore the clinical efficacy of minimally invasive posterior reconstructive plating by parallel Kirschner wires in the treatment of unstable posterior pelvic fractures.Methods From January 2013 to December 2016,29 patients with unstable posterior pelvic fracture were treated at Trauma Center,Liuzhou Workers' Hospital.They were 22 men and 7 women,aged from 19 to 65 years (mean,44.2 years).By the Tile classification,10 cases were classified as type B and 19 as type C.The delay from injury to surgery ranged from 4 to 14 days (mean,8.7 days).All the patients received minimally invasive posterior fixation with a U-shaped reconstructive plate and parallel Kirschner wires.The length of incision,intraoperative bleeding,operation time,quality of fracture reduction,curative effects and complications at the last follow-up were recorded.Results The length of intraoperative unilateral incision ranged from 2.3 to 3.4 cm (average,2.99 cm);the volume of intraoperative bleeding ranged from 47 to 88 mL (average,69.9 mL);the average operation time ranged from 17 to 34 min (average,25.2 min).One patient was lost to the follow-up.The other 28 patients were followed up for 14 to 26 months (average,18.3 months).The fracture healing time ranged from 8 to 15 months (average,10.1 months).According to the Matta criteria for fracture reduction,17 cases were rated as excellent at the last follow-up,9 as good,one as fair and one as poor,giving an excellent to good rate of 92.9%.According to the Pohlemann functional scoring,14 cases were rated as excellent,11 as good,2 as fair and one as poor,giving an excellent to good rate of 89.3%.Conclusion In the treatment of unstable posterior pelvic fractures,minimally invasive posterior reconstructive plating by parallel Kirschner wires presents advantages of high security,limited surgical trauma,good curative effects and limited postoperative complications.
9.Docetaxel tolerance to metastatic castration-resistant prostate cancer and the correlation between dose and prognosis
Linjun HU ; Changling LI ; Jianzhong SHOU ; Jun TIAN ; Dong WANG ; Zhendong XIAO ; Zejun XIAO ; Xingang BI ; Kaopeng GUAN ; Hongsong BAI ; Chengming XIE ; Xingli SHAN ; Dehu LU ; Xiang AO ; Yonghai CHEN
Chinese Journal of Urology 2019;40(1):31-36
Objective To investigate the dose of docetaxel appropriate for patients with metastatic castration-resistant prostate cancer and its affects to the prognosis.Methods A retrospective analysis was performed on the clinical data of 75 patients with metastatic castration-resistant prostate cancer admitted from March 2010 to July 2016 who received docetaxel combined with prednisone chemotherapy.The patients were divided into the low-dose group (n =43,docetaxel < 65 mg/m2),the middle-dose group (n =21,docetaxel 65-70 mg/m2) and the high-dose group (n =11,docetaxel > 70 mg/m2).The median age in the low-dose group,middle-dose group and high-dose group was 67 (53-80),66 (56-78) and 61 (47-76) years old,respectively.Among 75 patients with bone metastasis,2 patients had no evidence of bone metastasis in the low-dose group.The lymph node metastasis was found in 26,13 and 6 cases in each group,respectively.And visceral and other metastasis were founded in 11,4 and 2 cases,respectively.The Gleason score in the low-dose group was≤7 points in 15 cases,≥8 points in 22 cases and no score in 6 cases.The Gleason score inthe middle-dose group was ≤7 points in 4 cases,≥8 points in 13 cases and no score in 4 cases.The Gleason score in the high-dose group was ≤7 points in 3 cases,≥8 points in 5 cases and no score in 3 cases.The number of patients with pain in the low-dose group,middle-dose group and high-dose group was 36,12 and 9,respectively,there were no significant differences in the above indicators (P > 0.05),except age,which showed relatively more aged patients in the low-dose group,(P =0.045).Kaplan-Meier method was used to compare the overall survival (OS),progression-free survival (PFS) and the incidence of ≥CTCAE-4 grade 3 adverse reactions between the two groups.The Cox regression model was adopted to analyzed the factors that might affect patient prognosis,including the effective time of first-line endocrine therapy,hemoglobin level,ECOG score,pain score,number of cycles of chemotherapy,age,dose of docetaxel and alkaline phosphatase (ALP).Kaplan-Meier method was used to analyze the effect of dose of docetaxel on the prognosis,and log-rank method was used to test the significance of the results.Results The median OS was respectively 24.1,18.5 and 23.5 months in the low-dose group,middle-dose group and high-dose group,respectively.The median PFS was 5.3 months in all three groups,which didn't show statistically significant differences.The incidence of grade 3/4 adverse reactions in the low-dose group,middle-dose group and high-dose group was 15 cases (34.9%),8 cases (38.1%) and 5 cases (45.5%) respectively.It showed an increasing trend,but no statistically significant difference.The single factors related to OS mainly include the effective time of first-line endocrine therapy,hemoglobin level,ECOG score,pain score,number of cycles of chemotherapy,there was no significant correlation with age,docetaxel dose,ALP and PSA value.Conclusions It is common to receive lower doses of docetaxel in clinical practice for patients with metastatic castration-resistant prostate cancer in China.The efficacy of low-dose docetaxel is similar to that of high doses (standard dosage).There was no significant correlation between the OS and the actual dose of docetaxel in the tolerable range.
10.Advances in haplotype analysis technique.
Shuangshuang LI ; Yingxin ZHANG ; Chengming FAN ; Yuhong CHEN ; Chuanliang DENG ; Zanmin HU
Chinese Journal of Biotechnology 2018;34(6):852-861
Haplotype is the combination of a series of genetic mutations that coexist on a single chromosome, each of which has its own unique haplotypes. As a common data analysis method, the analysis of haplotype is effective for the localization of heterozygosis SNPs on single chromosome, the excavation of disease genes and the search of maladies treatments. It mainly includes indirect computational inferential method and direct experimental method. In this review we introduced various haplotype analysis methods and applications, especially two important ones: single-molecule dilution and contiguity-preserving transposition sequencing common technology. Meanwhile, further research prospects on haplotype sequencing were proposed.

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