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Self-assembly of differentiated dental pulp stem cells facilitates spheroid human dental organoid formation and prevascularization

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World Journal of Stem Cells 2024年第3期16卷 287-304页

作者： Fei Liu Jing Xiao Lei-hui Chen Yu-yue Pan Jun-Zhang Tian Zhi-Ren Zhang Xiao-Chun Bai School of Basic Medical Sciences Southern Medical UniversityGuangzhou 510515Guangdong ProvinceChina Department of Health Management Guangdong Second Provincial General HospitalGuangzhou 510317Guangdong ProvinceChina guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment Zhuhai People’s Hospital Affiliated with Jinan UniversityZhuhai 519000Guangdong ProvinceChina Centre of Reproduction Development and AgingFaculty of Health SciencesUniversity of MacaoMacao 999078China Department of Stomatology Guangdong Second Provincial General HospitalGuangzhou 510317Guangdong ProvinceChina Zhuhai Institute of Translational Medicine Zhuhai Hospital Affiliated with Jinan UniversityZhuhai 519000Guangdong ProvinceChina Department of Cell Biology School of Basic Medical SciencesSouthern Medical UniversityGuangzhou 510515Guangdong ProvinceChina

BACKGROUND The self-assembly of solid organs from stem cells has the potential to greatly expand the applicability of regenerative *** cells can self-organise into microsized organ units,partially modelling tissue function and *** pulp organoids have been used to recapitulate the processes of tooth development and related ***,the lack of vasculature limits the utility of dental pulp *** To improve survival and aid in recovery after stem cell transplantation,we demonstrated the three-dimensional(3D)self-assembly of adult stem cell-human dental pulp stem cells(hDPSCs)and endothelial cells(ECs)into a novel type of spheroid-shaped dental pulp organoid in vitro under hypoxia and conditioned medium(CM).METHODS During culture,primary hDPSCs were induced to differentiate into ECs by exposing them to a hypoxic environment and *** hypoxic pretreated hDPSCs were then mixed with ECs at specific ratios and conditioned in a 3D environment to produce prevascularized dental pulp *** biological characteristics of the organoids were analysed,and the regulatory pathways associated with angiogenesis were *** The combination of these two agents resulted in prevascularized human dental pulp organoids(Vorganoids)that more closely resembled dental pulp tissue in terms of morphology and ***-cell RNA sequencing of dental pulp tissue and RNA sequencing of Vorganoids were integrated to analyse key regulatory pathways associated with *** biomarkers forkhead box protein O1 and fibroblast growth factor 2 were identified to be involved in the regulation of *** In this innovative study,we effectively established an in vitro model of Vorganoids and used it to elucidate new mechanisms of angiogenesis during regeneration,facilitating the development of clinical treatment strategies.

关键词： Human dental pulp stem cells Prevascularized organoids Integrated analyses Angiogenesis Forkhead box protein O1

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Magnetic resonance imaging of knees:a novel approach to predict recombinant human growth hormone therapy response in short-stature children in late puberty

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World Journal of Pediatrics 2024年第7期20卷 723-734页

作者： Xi Bai Zhi‑Bo Zhou Xiao‑Yuan Guo Yi‑Ling He yue‑Lun Zhang Feng‑Dan Wang Feng Feng Hong‑Bo Yang Shi Chen Feng‑Ying Gong hui‑Juan Zhu hui Pan Department of Endocrinology Shandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina Key Laboratory of Endocrinology of National Health Commission Department of EndocrinologyState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing 100730China Medical Research Center Peking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Department of Radiology Peking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina

Background There is no appropriate tool to predict recombinant human growth hormone(rhGH)response before therapy initiation in short-stature children in late *** current study aimed to explore the associations between magnetic resonance imaging(MRI)stages of the knee growth plates and rhGH response in short-stature children in late *** In this prospective cohort study,short-stature children in late puberty were treated with rhGH and followed up for 6 *** proposed a novel knee MRI staging system according to the growth plate states of distal femurs or proximal tibias and divided the participants into three groups:unclosed growth plate group,marginally closed growth plate group,and nearly closed growth plate *** primary outcomes were height gain and growth velocity(GV),which were assessed three months *** Fifty participants were enrolled,including 23 boys and 27 *** and height gain after 6 months of rhGH therapy decreased successively in the three groups with an increased degree of growth plate fusion,especially when grouped by proximal tibias(GV_(1-3 mon)from 9.38 to 6.08 to 4.56 cm/year,GV_(4-6 mon)from 6.75 to 4.92 to 3.25 cm/year,and height gain from 4.03 to 2.75 to 1.95 cm,all P<0.001).Moreover,the MRI stages of growth plates independently served as a significant variable for GV and height gain after therapy,especially when grouped by proximal tibias(all P<0.01).Conclusion The MRI staging method is expected to be an effective tool for predicting rhGH response before therapy initiation in short-stature children in late puberty.

关键词： Growth hormone Growth velocity Late puberty Magnetic resonance imaging Short stature

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Application prospects of urine-derived stem cells in neurological and musculoskeletal diseases

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World Journal of Orthopedics 2024年第10期15卷 918-931页

作者： hui-Si Yang yue-Xiang Zheng Xue Bai Xiu-Ying He Ting-Hua Wang Department of Neurology and National Traditional Chinese Medicine Clinical Research Base The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical UniversityLuzhou 646000Sichuan ProvinceChina Department of Anesthesiology Institute of Neurological DiseaseWest China HospitalSichuan UniversityChengdu 610041Sichuan ProvinceChina Department of Anesthesiology Institute of Neurological DiseaseTranslational Neuroscience CenterWest China HospitalSichuan UniversityChengdu 610041Sichuan ProvinceChina

Urine-derived stem cells(USCs)are derived from urine and harbor the potential of proliferation and multidirectional ***,USCs could be reprogrammed into pluripotent stem cells[namely urine-derived induced pluripotent stem cells(UiPSCs)]through transcription factors,such as octamer binding transcription factor 4,sex determining region Y-box 2,kruppel-like factor 4,myelocytomatosis oncogene,and Nanog homeobox and protein lin-28,in which the first four are known as Yamanaka *** evidence supports that USCs and UiPSCs possess high potential of neurogenic,myogenic,and osteogenic differentiation,indicating that they may play a crucial role in the treatment of neurological and musculoskeletal ***,we summarized the origin and physiological characteristics of USCs and UiPSCs and their therapeutic application in neurological and musculoskeletal disorders in this review,which not only contributes to deepen our understanding of hallmarks of USCs and UiPSCs but also provides the theoretical basis for the treatment of neurological and musculoskeletal disorders with USCs and UiPSCs.

关键词： Urine-derived stem cells Urine-derived induced pluripotent stem cells Neurological diseases Musculoskeletal diseases Treatment prospect

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绵羊胚胎肌源性干细胞的生物学特性

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中国兽医学报 2017年第10期37卷 1973-1979页

作者：张萍马月辉关伟军中国农业科学院北京畜牧兽医研究所北京100193

为研究绵羊胚胎肌源性干细胞的生物学特性,取30日龄的绵羊胚胎,采用联合酶消化法及差速贴壁法分离培养获得均质的肌源性干细胞,并对其进行一系列生物学特性检测。结果显示,绵羊肌源性干细胞能传代培养至35代以上;免疫荧光染色和RT-PCR... 详细信息

为研究绵羊胚胎肌源性干细胞的生物学特性,取30日龄的绵羊胚胎,采用联合酶消化法及差速贴壁法分离培养获得均质的肌源性干细胞,并对其进行一系列生物学特性检测。结果显示,绵羊肌源性干细胞能传代培养至35代以上;免疫荧光染色和RT-PCR鉴定肌源性干细胞表面标记物Sca-1、CD34、CD144和Desmin呈阳性表达;生长曲线和细胞周期结果显示绵羊肌源性干细胞具有较强自我更新能力;通过不同的诱导方法可以将肌源性干细胞成功地诱导为肝样细胞和胰岛样细胞,Schiff染色和双硫腙染色均呈阳性,RT-PCR检测肝样细胞特异性标记物AFP和ALB以及胰岛样细胞特异性标记物Insulin均呈阳性表达,进一步证明了其诱导分化潜能。结果表明,本试验成功地分离培养获得了均质并具有较强自我更新潜能的绵羊肌源性干细胞,这种干细胞具有向肝样细胞和胰岛样细胞分化的潜能,这为临床治疗提供了潜在的理论基础和大量的种子细胞。

关键词：绵羊肌源性干细胞分离培养诱导分化细胞周期

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taBOX: A water-soluble tetraanionic rectangular molecular container for conjugated molecules and taste masking for berberine and palmatine

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Chinese Chemical Letters 2024年第5期35卷 175-178页

作者： Qihan Lin Jiabin Xing yue-Yang Liu Gang Wu Shi-Jia Liu hui Wang Wei Zhou Zhan-Ting Li Dan-Wei Zhang Department of Chemistry Shanghai Key Laboratory of Molecular Catalysis and Innovative MaterialsFudan UniversityShanghai 200438China

A water-soluble macrocycle that bears four carboxylate anions has been designed and prepared,which forms a rectangular cavity that can efficiently encapsulate discrete electron-deficient aromatic compounds,including berberine and *** macrocycle is revealed to be highly biocompatible and able to inhibit the bitter taste of the two drugs.

关键词： Macrocycle Multianion Molecular container Molecular recognition Bitter taste masking

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Dynamic Treatment Strategy of Chinese Medicine for Metastatic Colorectal Cancer Based on Machine Learning Algorithm

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Chinese Journal of Integrative Medicine 2024年第11期30卷 993-1000页

作者： XU Yu-ying LI Qiu-yan YI Dan-hui CHEN yue ZHAI Jia-wei ZHANG Tong SUN Ling-yun YANG Yu-fei Department of Oncology Xiyuan Hospital China Academy of Chinese Medical Sciences School of Statistics Renmin University of China Graduate School Beijing University of Chinese Medicine

Objective: To establish the dynamic treatment strategy of Chinese medicine(CM) for metastatic colorectal cancer(m CRC) by machine learning algorithm, in order to provide a reference for the selection of CM treatment strategies for m CRC. Methods: From the outpatient cases of m CRC in the Department of Oncology at Xiyuan Hospital, China Academy of Chinese Medical Sciences, 197 cases that met the inclusion criteria were screened. According to different CM intervention strategies, the patients were divided into 3 groups: CM treatment alone, equal emphasis on Chinese and Western medicine treatment(CM combined with local treatment of tumors, oral chemotherapy, or targeted drugs), and CM assisted Western medicine treatment(CM combined with intravenous regimen of Western medicine). The survival time of patients undergoing CM intervention was taken as the final evaluation index. Factors affecting the choice of CM intervention scheme were screened as decision variables. The dynamic CM intervention and treatment strategy for m CRC was explored based on the cost-sensitive classification learning algorithm for survival(CSCLSurv). Patients' survival was estimated using the Kaplan-Meier method, and the survival time of patients who received the model-recommended treatment plan were compared with those who received actual treatment plan. Results: Using the survival time of patients undergoing CM intervention as the evaluation index, a dynamic CM intervention therapy strategy for m CRC was established based on *** CM intervention strategies for m CRC can be selected according to dynamic decision variables, such as gender, age, Eastern Cooperative Oncology Group score, tumor site, metastatic site, genotyping, and the stage of Western medicine treatment at the patient's first visit. The median survival time of patients who received the modelrecommended treatment plan was 35 months, while those who receive the actual treatment plan was 26.0 months(P=0.06). Conclusions:

关键词： Chinese medicine cost sensitive classification learning for survival dynamic treatment strategy metastatic colorectal cancer

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Clinical practice guideline for acupuncture and moxibustion: Female urinary incontinence

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Journal of Integrative Medicine 2024年第3期22卷 258-269页

作者： Chao Yang Shan-ze Wang Sheng Chen Shuo Du guan-qun Wang Wei Guo Xiao-long Xie Bi-hui Peng Shi-hao Du Ji-ping Zhao Department of Acupuncture and Moxibustion Dongzhimen HospitalBeijing University of Chinese MedicineBeijing 100700China Department of Acupuncture and Moxibustion Guangdong provincial hospital of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Shanghai Ninth People’s Hospital Shanghai Jiao Tong University School of MedicineShanghai 200011China Institute of Acupuncture and Moxibustion China Academy of Chinese Medical SciencesBeijing 100700China

Urinary incontinence (UI) is a common problem *** has a major impact on physical and social activities and interpersonal *** is common in women,but is under-reported and *** affects the quality of life of female patients *** and moxibustion have been proposed as potentially effective interventions for female ***,for the benefit of acupuncture practitioners around the world,the World Federation of Acupuncture-moxibustion Societies initiated a project to develop a clinical practice guideline (CPG) for the use of acupuncture and moxibustion to treat female *** CPG was developed according to the Grading of Recommendations Assessment,Development,and Evaluation (GRADE) methodology,referring to the principles of the World Health Organization Handbook for Guideline *** the development of the CPG,the guideline development group (GDG) played an important *** clinical questions,recommendations and therapeutic protocols were all formulated by GDG using the modified Delphi *** CPG contains ten recommendations about the use of acupuncture and moxibustion interventions for ten clinical questions,which include nine conditional recommendations for the intervention and one conditional recommendation for either the intervention or the *** CPG also provides one protocol for conventional filiform needle therapy,two therapy protocols for deep needling stimulation on lumbosacral acupoints,and four moxibustion therapy protocols,based on the protocols presented in randomized controlled trials reviewed by the GDG.

关键词： Acupuncture Clinical practice guideline Female urinary incontinence Moxibustion GRADE

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Clinical heterogeneity and five phenotypes identified in pediatric Behçet’s syndrome: a cohort study from Shanghai Behçet’s syndrome database

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World Journal of Pediatrics 2024年第8期20卷 801-808页

作者： Dan Hu Chun-hui She Hua-Fang Bao Jun Zou Jian-Fei Cai Jing‑Fen Ye Yan Shen Hai‑Fen Ma Dan Luo Jian-Long guan Department of Rheumatology and Immunology Huadong Hospital Affiliated to Fudan University221 Yan’an West Road200040ShanghaiChina

Objectives Behçet’s syndrome(BS)is a rare disease of unknown etiology,with limited reports especially in pediatric *** clinical characteristics and phenotypes of pediatric BS as a highly heterogeneous variable vessel vasculitis were investigated in this *** A cross-sectional study was conducted to compare clinical variables and descriptive characteristics of BS by age of onset and *** analysis was then performed to identify the phenotypes of pediatric *** A total of 2082 BS patients were included in this study,1834 adults and 248 *** with adult-onset BS,pediatric BS had a higher incidence of folliculitis[relative risks(RR)and 95%confidence interval(CI)1.3(1.0–1.5)],uveitis of the left eye[RR and 95%CI 2.3(1.0–5.0)],intestinal ulcer complications[RR and 95%CI 2.1(1.1–4.2)],pericarditis[RR and 95%CI 2.5(1.0–6.2)],and psychiatric disorders[RR and 95%CI 2.8(1.0–7.9)],while the incidence of thrombocytopenia was lower[RR 0.2(0.1–1.0)].Among pediatric BS,females had more genital ulcers,while males were more likely to have skin lesions,panuveitis,vascular involvement,venous lesions,cardiac involvement,and aortic *** analysis classified pediatric BS into five clusters(C1–C5):C1(n=61,24.6%)showed gastrointestinal(GI)involvement;C2(n=44,17.7%)was the central nervous system(CNS)type where 23 cases overlapped joint involvement;in C3(n=35,14.1%),all patients presented with arthritis or arthralgia;all patients in C4(n=29,11.7%)manifested ocular involvement,with a few patients overlapping with GI involvement or joint damage;C5(n=79,31.9%)was the mucocutaneous type,presenting both oral ulcers,genital ulcers,and skin *** The clinical features of pediatric and adult BS differ *** and female pediatric BS also have a distinct *** phenotypes including GI,CNS,joint,ocular,and mucocutaneous types were identified for pediatric BS.

关键词： Behget's syndrome Clinical manifestation Cluster analysis-Pediatric Phenotype

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Clinical practice guideline for acupuncture and moxibustion:Allergic rhinitis

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Journal of Integrative Medicine 2024年第3期22卷 245-257页

作者： Shi-hao Du Sheng Chen Shan-ze Wang guan-qun Wang Shuo Du Wei Guo Xiao-long Xie Bi-hui Peng Chao Yang Ji-ping Zhao Institute of Acupuncture and Moxibustion China Academy of Chinese Medical SciencesBeijing 100700China Department of Acupuncture and Moxibustion Dongzhimen HospitalBeijing University of Chinese MedicineBeijing 100700China Department of Acupuncture and Moxibustion Guangdong Provincial Hospital of Chinese MedicineGuangzhou 510120Guangdong ProvinceChina Department of Traditional Chinese Medicine Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai 200011China

Acupuncture is one of the most effective complementary therapies for allergic rhinitis(AR)and has been recommended by several clinical practice guidelines(CPGs)for ***,these CPGs mentioned acupuncture without making recommendations for clinical implementation and therapeutic protocols,therefore limiting the applicability of acupuncture therapies for ***,for the benefit of acupuncture practitioners around the world,the World Federation of Acupuncture-moxibustion Societies have initiated a project to develop the CPG for the use of acupuncture and moxibustion to treat *** CPG was developed according to the Grading of Recommendations Assessment,Development,and Evaluation(GRADE)methodology,referring to the principles of the World Health Organization Handbook for Guideline *** the development of the CPG,the guideline development group(GDG)played an important *** clinical questions,recommendations and therapeutic protocols were all formulated by the GDG using the modified Delphi *** CPG contains recommendations for 15 clinical questions about the use of acupuncture and moxibustion *** include one strong recommendation for the intervention based on high-quality evidence,three conditional recommendations for either the intervention or standard care,and 11 conditional recommendations for the intervention based on very low quality of *** CPG also provides one filiform needle acupuncture protocol and five moxibustion protocols extracted based on the protocols presented in randomized controlled trials reviewed by the GDG.

关键词： Clinical practice guideline Allergic rhinitis Acupuncture Moxibustion GRADE

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本科层次职业教育试点困境及其破解策略——基于政策网络理论的视角

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高等教育研究 2024年第2期45卷 68-78页

作者：管辉华中科技大学教育科学研究院

本科层次职业教育试点是探索职业本科教育发展路径的重要举措。从政策网络视角来看，当前试点困境包括：多元主体利益差异大且协作程度低，制约试点工作整体推进；中央和地方政府职责不清且规范缺位，致使政策变通和执行损耗；试点院校... 详细信息

本科层次职业教育试点是探索职业本科教育发展路径的重要举措。从政策网络视角来看，当前试点困境包括：多元主体利益差异大且协作程度低，制约试点工作整体推进；中央和地方政府职责不清且规范缺位，致使政策变通和执行损耗；试点院校基础薄弱且内部分化，导致办学实践偏离类型定位；专家和社会力量参与不足且话语权弱，影响了政策落地和试点走向。为此，需着重从推进理念转变、明确职责分工、强化统筹部署等方面着手破解。

关键词：职业教育职业本科教育职业技术大学

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