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Factors associated with recurrence of clubfoot treated by the Ponseti method

World Journal of Clinical Cases 2016年第10期4卷 318-322页

作者： Mohammad Reza Azarpira Mohammad Jafar Emami Amir Reza Vosoughi Keivan Rahbari bone and joint diseases research center Shiraz University of Medical Sciences

AIM To assess several associated factors on the recurrence of clubfoot after successful correction by the Ponseti method. METHODS A total of 115 children with 196 clubfeet deformities, treated by the Ponseti method, were evaluated. Demographic data, family history of clubfoot in firstdegree relatives, maternal educational level and brace compliance were enquired. Based on their medical files, the characteristics of the patients at the time of presentation such as age, possible associated neuromuscular disease or especial syndrome, severity of the deformity according to the Dimeglio grade and Pirani score, residual deformity after previous Ponseti method and number of casts needed for the correction were *** There were 83 boys(72.2%) and 32 girls(27.8%) with a male to female ratio of 2.6. The mean age at the initiation of treatment was 5.4 d(range: 1 to 60 d). The average number of casts applied to achieve complete correction of all clubfoot deformities was 4.2. Follow-up range was 11 to 60 mo. In total, 39 feet had recurrence with a minimum Dimeglio grade of 1 or Pirani score of 0.5 at the follow-up visit. More recurrence was observed in non-idiopathic clubfoot deformities(P = 0.001), noncompliance to wear braces(P < 0.001), low educational level of mother(P = 0.033), increased number of casts(P < 0.001), and more follow-up periods(P < 0.001). No increase in the possibility of recurrence was observed when the previous unsuccessful casting was further treated using the Ponseti method(P = 0.091). Also, no significant correlation was found for variables of age(P = 0.763), Dimeglio grade(P = 0.875), and Pirani score(P = 0.624) obtaining at the beginning of the serial casting. CONCLUSION Using the Ponseti method, non-idiopathic clubfoot, noncompliance to wear braces, low educational level of mother, increased number of casts and more followup periods had more association to possible increase in recurrence rate after correction of clubfoot deformity.

关键词： Clubfoot Recurrence Cast Talipes equinovarus Ponseti

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Recurrent aneurysmal bone cyst of talus resulted in tibiotalocalcaneal arthrodesis

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World Journal of Clinical Cases 2017年第9期5卷 364-367页

作者： Amir R Vosoughi Kamran Mozaffarian Mohammad A Erfani bone and joint diseases research center Department of Orthopedic SurgeryShiraz University of Medical Sciences

Aneurysmal bone cyst(ABC), a locally benign aggressive lytic lesion of either primary or secondary origin, seldom involves the talus. Herein, we present a 25-year-old man with recurrent ABC of the talus after curettage and bone grafting, which was managed by total resection followed by filling the defect using fibular graft and finally tibiotalocalcaneal arthrodesis due to articular surface involvement. At 18 mo postoperatively, no recurrence was detected. Arthrodesis might be a good option in cases with recurrent ABC of the talus especially with articular surface involvement.

关键词： Aneurysmal bone cyst Tibiotalocalcaneal arthrodesis bone tumor Talus

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Storage time affects the level and diagnostic efficacy of plasma biomarkers for neurodegenerative diseases

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Neural Regeneration research 2025年第8期20卷 2373-2381页

作者： Lifang Zhao Mingkai Zhang Qimeng Li Xuemin Wang Jie Lu Ying Han Yanning Cai Department of Clinical Biobank Xuanwu HospitalCapital Medical UniversityBeijingChina Beijing Geriatric Medical research center BeijingChina Department of Neurology Xuanwu HospitalCapital Medical UniversityBeijingChina Department of Radiology and Nuclear Medicine Xuanwu HospitalCapital Medical UniversityBeijingChina Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics BeijingChina Key Laboratory of Neurodegenerative diseases Ministry of EducationBeijingChina School of Biomedical Engineering Hainan UniversityHaikouHainan ProvinceChina center of Alzheimer’s Disease Beijing Institute for Brain DisordersBeijingChina National Clinical research center for Geriatric diseases BeijingChina Institute of Biomedical Engineering Shenzhen Bay LaboratoryGaoke Innovation CenterShenzhenGuangdong ProvinceChina Department of Neurobiology Xuanwu HospitalCapital Medical UniversityBeijingChina

Several promising plasma biomarker proteins,such as amyloid-β(Aβ),tau,neurofilament light chain,and glial fibrillary acidic protein,are widely used for the diagnosis of neurodegenerative ***,little is known about the long-term stability of these biomarker proteins in plasma samples stored at-80°*** aimed to explore how storage time would affect the diagnostic accuracy of these biomarkers using a large *** samples from 229 cognitively unimpaired individuals,encompassing healthy controls and those experiencing subjective cognitive decline,as well as 99 patients with cognitive impairment,comprising those with mild cognitive impairment and dementia,were acquired from the Sino Longitudinal Study on Cognitive Decline *** samples were stored at-80°C for up to 6 years before being used in this *** results showed that plasma levels of Aβ42,Aβ40,neurofilament light chain,and glial fibrillary acidic protein were not significantly correlated with sample storage ***,the level of total tau showed a negative correlation with sample storage ***,in individuals without cognitive impairment,plasma levels of total protein and tau phosphorylated protein threonine 181(p-tau181)also showed a negative correlation with sample storage *** was not observed in individuals with cognitive ***,we speculate that the diagnostic accuracy of plasma p-tau181 and the p-tau181 to total tau ratio may be influenced by sample storage ***,caution is advised when using these plasma biomarkers for the identification of neurodegenerative diseases,such as Alzheimer's ***,in cohort studies,it is important to consider the impact of storage time on the overall results.

关键词： Alzheimer’s disease amyloid-β diagnostic ability glial fibrillary acidic protein neurodegeneration neurofilament light chain plasma biomarkers single molecule array storage time tau

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ABO blood type and ABO gene with susceptibility to deep vein thrombosis following orthopedic surgery: a casecontrol study in Chinese Han population

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Science China(Life Sciences) 2015年第4期58卷 390-391页

作者： SUN Ye MAO Ping LU JingWei DAI Jin TENG HuaJian JIANG Qing The center of Diagnosis and Treatment for joint Disease Drum Tower Hospital Affiliated to Medical School of Nanjing University joint research center for bone and joint Disease Model Animal Research Center Nanjing University

The ABO gene encodes a glycosyltransferase with three main alleles （A, B, and O）. The ABO blood group molecules are expressed in varieties of human tissues. Individuals with type O blood group have about 25% lower plasma FVIII and VWF levels [1]. Increased plasma FVIII and VWF levels are associated with an increased risk for VTE, and non-O blood group type is associated with an increased VTE risk which is independent of FVIII [2]. Yet the risk of ABO blood group type has not been studied in Asian population. In a genome-wide association study and subsequent replication studies, two single-nucleotide polymorphisms （SNPs） in ABO, rs657152 and rs505922 were associated with VTE [3]. However, there has been no study regarding the association between ABO gene and acute deep vein thrombosis （DVT） in Chinese population. We hypothesized that ABO blood type and ABO gene associated with acute DVT after orthopedic surgery and carried out a case-control study in patients after orthopedic surgery in Han Chinese population.

关键词： ABO血型中国汉族人群静脉血栓等位基因骨科手术血栓形成病例易感性

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C-X-C chemokine receptor type 5+CD8+T cells as immune regulators in hepatitis Be antigen-positive chronic hepatitis B under interferonalpha treatment

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World Journal of Gastroenterology 2025年第3期31卷 73-83页

作者： Zhen-Yu Xu Zhong-Shang Dai Guo-Zhong Gong Min Zhang Department of Infectious diseases Second Xiangya HospitalCentral South UniversityChangsha 410011Hunan ProvinceChina Institute of Hepatology and Department of Infectious diseases The Second Xiangya HospitalCentral South UniversityChangsha 410011Hunan ProvinceChina

BACKGROUND C-X-C chemokine receptor type 5(CXCR5)+CD8+T cells represent a unique immune subset with dual roles,functioning as cytotoxic cells in persistent viral infections while promoting B cell *** their importance,the specific role of CXCR5+CD8+T cells in chronic hepatitis B(CHB),particularly during interferon-alpha(IFN-α)treatment,is not fully *** study aims to elucidate the relationship between CXCR5+CD8+T cells and sustained serologic response(SR)in patients undergoing 48 weeks of pegylated IFN-α(peg-IFN-α)treatment for *** To elucidate the relationship between CXCR5+CD8+T cells and sustained SR in patients undergoing 48 weeks of peg-IFN-αtreatment for *** This study enrolled 60 patients with hepatitis Be antigen(HBeAg)-positive CHB undergoing 48 weeks of peg-IFN-α*** were assessed for eligibility based on criteria such as persistent HBsAg-positive status for at least six months,HBeAb-negative,hepatitis B virus DNA levels exceeding 2×104 copies/mL,and alanine aminotransferase(ALT)levels between 2 and 10 times the upper limit of *** samples were collected at baseline and at weeks 12,24,48,and a 24-week treatment-free follow-up(week 72)to measure serum interleukin(IL)-21 concentration via ELISA and to analyze CXCR5 and programmed death-ligand 1(PD-L1)expression on CD8+T cells by flow cytometry,CXCR5 is a chemokine receptor that directs immune cells to specific tissues,while PD-L1 is a protein that regulates immune responses by inhibiting T cell *** Patients with CHB exhibited significantly lower levels of circulating CXCR5+CD8+T cells compared to healthy controls(P<0.01).Notably,CXCR5+CD8+T cells were prominently expressed in patients who achieved sustained SR compared to non-SR(NSR).A significant correlation was observed between CXCR5 and PD-L1 expression(r=-0.189,P=0.002).However,there was no significant correlation between serum IL-21 levels and CXCR5+CD8+lymphocytes(r=-0.03,P=0.62

关键词： C-X-C chemokine receptor type 5 Programmed death-ligand 1 Interleukin-21 Pegylated interferon-alpha Chronic hepatitis B

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Stem cell-based bone and dental regeneration: a view of microenvironmental modulation

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International Journal of Oral Science 2019年第3期11卷 161-175页

作者： Chenxi Zheng Ji Chen Shiyu Liu Yan Jin State Key Laboratory of Military Stomatology & National Clinical research center for Oral diseases & Shaanxi International joint research center for Oral diseases Center for Tissue Engineering School of Stomatology The Fourth Military Medical University

In modern medicine,bone and dental loss and defects are common and widespread morbidities,for which regenerative therapy has shown great *** stem cells,obtained from various sources and playing an essential role in organ development and postnatal repair,have exhibited enormous potential for regenerating bone and dental ***,mesenchymal stem cells (MSCs)-based bone and dental regeneration mainly includes two strategies: the rescue or mobilization of endogenous MSCs and the application of exogenous MSCs in cytotherapy or tissue ***,the efficacy of MSCbased regeneration is not always fulfilled,especially in diseased ***,the diseased microenvironment not only impairs the regenerative potential of resident MSCs but also controls the therapeutic efficacy of exogenous MSCs,both as donors and ***,approaches targeting a diseased microenvironment have been established,including improving the diseased niche to restore endogenous MSCs,enhancing MSC resistance to a diseased microenvironment and renormalizing the microenvironment to guarantee MSC-mediated ***,the application of extracellular vesicles (EVs) as cell-free therapy has emerged as a promising therapeutic *** this review,we summarize current knowledge regarding the tactics of MSC-based bone and dental regeneration and the decisive role of the microenvironment,emphasizing the therapeutic potential of microenvironment-targeting strategies in bone and dental regenerative medicine.

关键词： stem cells cytotherapy microenvironment

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Effect of esculetin on bone metabolism in ovariectomized rats

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Journal of Traditional Chinese Medicine 2018年第6期38卷 896-903页

作者： Liu Meijie Wang Ruihai Li Yan Bai Dong Pan Jinghua Liu Hong Wang Shaojun Wu Jiaying Sun Gang Miao Qing Ju Dahong Liu Limei bone and joint diseases Laboratory Experimental Research CenterChina Academy of Chinese Medicine Science 100700China The Basic research center of Recipe and Syndrome in Traditional Chinese Medicine Institute of Basic Theory for Chinese MedicineChina Academy of Chinese Medicine ScienceBeijing 100700China

OBJECTIVE: To determine the effect of an esculetin formulation(at 97.4% purity) on osteoporosis, and to investigate the potential underlying molecular mechanism(s).METHODS: Sixty specific pathogen free-grade female Wistar rats were randomly assigned to three groups: blank control(n = 12), sham(n = 12), and model(n = 36). The model group were bilaterally ovariectomized. The sham group had the tissue surrounding the ovaries removed, while the ovaries were retained. After 3 months, the model group was randomly divided into three subgroups: OVX(n = 12), positive control(n = 12), and esculetin(n =12). The positive control group and the esculetin group were intragastrically administered diethylstilbestrol(0.046 mgkd^(-1)), respec·kg^(-1)tively,·d^(-1)) or esculetin(384 mgg^(-1) once per day for 6 consecu··-tive days; medication administration was then stopped for 1 d, before being administered for another 6 consecutive days. All rats were treated for 3months. Samples were collected at the end of the treatment period. An Osteocore3 Digital 2D bone densitometer was used to test the bone mineral density, and histomorphometric analysis was performed to measure bone mass, bone formation,and bone resorption. Enzyme-linked immunosorbent assay analysis was used to measure the serum concentrations of interleukin-6(IL-6), osteoprotegerin(OPG), and receptor activator of nuclear factor-kappa B ligand(RANKL). Immunohistochemistry and in situ hybridization were performed to detect the protein and mRNA expressions of OPG and RANKL in osteoblasts and bone marrow stromal ***: Compared with the OVX group, the esculetin group had significantly greater femoral bone mineral density and tibial trabecular bone volume,and significantly smaller trabecular resorption surface. The percentage of trabecular formation surface, average osteoid width, trabecular bone mineralization rate, and cortical bone mineralization rate did not significantly differ between groups. Compared with the sham g

关键词： Esculetin Osteoporosis Osteoprotegerin RANK ligand bone resorption

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Prevalence of Helicobacter pylori infection in Chinese military personnel:A cross-sectional,multicenter-based study

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World Journal of Gastroenterology 2025年第3期31卷 42-49页

作者： Han-Chen Min Chun-Yan Zhang Fang-Yu Wang Xiao-Hui Yu Shan-Hong Tang Hong-Wu Zhu Ya-Gang Zhao Ji-Luo Liu Jian Wang Jing-Han Guo Xiao-Mei Zhang Yun-Sheng Yang Chinese People’s Liberation Army Medical School Chinese People’s Liberation Army General HospitalBeijing 100853China Department of Gastroenterology and Hepatology The First Medical CenterChinese People’s Liberation Army General HospitalBeijing 100853China Sixth Healthcare Department The Second Medical CenterChinese People’s Liberation Army General HospitalBeijing 100853China Department of Gastroenterology The 940th Hospital of Joint Logistic Support Force of Chinese People’s Liberation ArmyLanzhou 730050Gansu ProvinceChina Department of Gastroenterology General Hospital of Western Theater CommandChengdu 610011Sichuan ProvinceChina Department of Gastroenterology General Hospital of Southern Theater CommandGuangzhou 510010Guangdong ProvinceChina Department of Epidemiology Naval Medical UniversityShanghai 200433China School of Medicine Nankai UniversityTianjin 300071China National Clinical research center for Geriatric diseases Chinese People’s Liberation Army General HospitalBeijing 100853China

BACKGROUND Helicobacter pylori(***)infection is a prevalent disease encountered in military internal medicine and recognized as the main cause of dyspepsia,gastritis,and peptic ulcer,which are common diseases in military *** guidelines in China state all patients with evidence of active infection with *** are offered ***,the prevalence of *** infection and its regional distribution in the military population remain unclear,which hinders effective prevention and treatment *** the prevalence of *** infection in the military population will aid in the development of customized strategies to better manage this infectious *** To investigate the prevalence of *** infection in the Chinese military population in different geographic *** This multicenter,retrospective study included 22421 individuals from five tertiary hospitals located in north,east,southwest,and northwest cities of *** infection was identified using the urea breath test,which had been performed between January 2020 and December *** Of the 22421 military service members,7416(33.1%)were urea breath *** highest prevalence of *** was in the 30-39 years age group for military personnel,with an infection rate of 34.9%.The majority of infected subjects were younger than 40-years-old,accounting for 70.4%of the infected *** individuals serviced in Lanzhou and Chengdu showed a higher infection prevalence than those in Beijing,Nanjing,and Guangzhou,with prevalence rates of 44.3%,37.9%,29.0%,31.1%,and 32.3%,*** *** infection remains a common infectious disease among military personnel in China and has a relatively high prevalence rate in northwest China.

关键词： Helicobacter pylori Prevalence Military personnel Urea breath test Multicenter study

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Assessment of volumetric bone mineral density of the femoral neck in postmenopausal women with and without vertebral fractures using quantitative multi-slice CT

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2009年第7期10卷 499-504页

作者： Sheng-yong WU Hui-hui JIA Didier HANS Jing LAN Li-ying WANG Jing-xue LI Yue-zeng CAI Department of Radiology Tianjin First Central Hospital Tianjin 300192 China Department of Radiology General Hospital of Tianjin Medical University Tianjin 300052 China center of bone diseases Department of bone and joint Lausanne University Hospital 1011 Lausanne Switzerland

Objective： To demonstrate the validity and reliability of volumetric quantitative computed tomography （vQCT） with multi-slice computed tomography （MSCT） and dual energy X-ray absorptiometry （DXA） for hip bone mineral density （BMD） measurements, and to compare the differences between the two techniques in discriminating postmenopausal women with osteoporosis-related vertebral fractures from those without. Methods： Ninety subjects were enrolled and divided into three groups based on the BMD values of the lumbar spine and/or the femoral neck by DXA. Groups 1 and 2 consisted of postmenopausal women with BMD changes 〈-2SD, with and without radiographically confirmed vertebral fracture （n= 11 and 33, respectively）. Group 3 comprised normal controls with BMD changes 〉-ISD （n-46）. Post-MSCT （GE, LightSpeed16） scan reconstructed images of the abdominal-pelvic region, 1.25 mm thick per slice, were processed by OsteoCAD software to calculate the following parameters： volumetric BMD values of trabecular bone （TRAB）, cortical bone （CORT）, and integral bone （INTGL） of the left femoral neck, femoral neck axis length （NAL）, and minimum cross-section area （mCSA）. DXA BMD measurements of the lumbar spine （AP-SPINE） and the left femoral neck （NECK） also were performed for each subject. Results： The values of all seven parameters were significantly lower in subjects of Groups 1 and 2 than in normal postmenopausal women （P〈0.05, respectively）. Comparing Groups 1 and 2, 3D-TRAB and 3D-INTGL were significantly lower in postmenopausal women with vertebral fracture（s） [（109.8±9.61） and （243.3±33.0） mg/cm^3, respectively] than in those without [（148.9±7.47） and （285.4±17.8） mg/cm^3, respectively] （P〈0.05, respectively）, but no significant differences were evident in AP-SPINE or NECK BMD. Conclusion： the femoral neck-derived volumetric BMD parameters using vQCT appeared better than the DXA-derived ones in discriminating osteoporotic postmenopausal women with vertebral fractures from those wit

关键词： Osteoporosis bone mineral density (BMD) Volumetric QCT Hip fracture Postmenopausal women

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Hereditary severe insulin resistance syndrome:Pathogenesis,pathophysiology,and clinical management

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Genes & diseases 2023年第5期10卷 1846-1856页

作者： Junaid Iqbal Hong-Li Jiang Hui-Xuan Wu Long Li Ying-Hui Zhou Nan Hu Fen Xiao Ting Wang Shi-Na Xu Hou-De Zhou National Clinical research center for Metabolic diseases Hunan Provincial Key Laboratory for Metabolic Bone Diseasesand Department of Endocrinology and MetabolismThe Second XiangYa Hospital of Central South UniversityChangshaHunan 410011China

Severe insulin resistance has been linked to some of the most globally prevalent disorders,such as diabetes mellitus,nonalcoholic fatty liver disease,polycystic ovarian syndrome,and *** severe insulin resistance syndrome(H-SIRS)is a rare disorder classified into four principal categories:primary insulin receptor defects,lipodystrophies,complex syndromes,and obesity-related *** such as INSR,AKT2,TBC1D4,AGPAT2,BSCL2,CAV1,PTRF,LMNA,PPARG,PLIN1,CIDEC,LIPE,PCYT1A,MC4R,LEP,POMC,SH2B1,RECQL2,RECQL3,ALMS1,PCNT,ZMPSTE24,PIK3R1,and POLD1 have been linked to *** clinical features include insulin resistance,hyperglycemia,hyperandrogenism,severe dyslipidemia,fatty liver,abnormal topography of adipose tissue,and low serum leptin and adiponectin *** of H-SIRS is based on the presence of typical clinical features associated with the various H-SIRS forms and the identification of mutations in H-SIRS-linked genes by genetic *** therapy,insulin sensitization,exogenous insulin therapy,and leptin replacement therapy have widely been adopted to manage *** rarity of H-SIRS,its highly variable clinical presentation,refusal to be tested for genetic mutations by patients’family members who are not severely sick,unavailability of genetic testing,and testing expenses contribute to the delayed or underdiagnoses of *** diagnosis facilitates early management of the condition,which results in improved glycemic control and delayed onset of diabetes and other complications related to severe insulin *** use of updated genetic sequencing technologies is recommended,and long-term studies are required for genotype–phenotype differentiation and formulation of diagnostic and treatment protocols.

关键词： Diabetes Genetics Insulin resistance Lipodystrophy Pathophysiology Therapy

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