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Placenta-derived mesenchymal stem cells attenuate secondary brain injury after controlled cortical impact in rats by inhibiting matrix metalloproteinases

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BIOCELL 2024年第1期48卷 149-162页

作者： PING YANG YUANXIANG LAN ZHONG ZENG YAN WANG HECHUN XIA department of Neurosurgery School of Clinical MedicineNingxia Medical UniversityYinchuanChina Key Laboratory of Ningxia Stem Cell and Regenerative medicine General Hospital of Ningxia Medical UniversityYinchuanChina department of Neurosurgery Xi’an International Medical Center HospitalXi’anChina

Background:As a form of biological therapy,placenta-derived mesenchymal stem cells(PDMSCs)exhibit considerable promise in addressing the complex pathological processes of traumaticbrain injury(TBI)due to their multi-target and multi-pathway mode of ***&Methods:This study investigates the protective mechanisms and benefits of PDMSCs in mitigating the effects of controlled cortical impact(CCI)in rats and glutamate-induced oxidative stress injury in HT22 cells in *** primary objective is to provide evidence supporting the clinical application of ***:In the in vivo arm of our investigation,we observed a swift elevation of matrix metalloproteinase-9(MMP-9)in the proximal cortex of injured brain tissues after ***,distinguished by their heightened expression of metalloproteinase tissue inhibitors-1 and-2(TIMP-1 and TIMP-2):were intravenously administered via the caudal *** intervention yielded significant reductions in the permeability of the blood-brain barrier(BBB):the extent of brain edema,the levels of inflammatory cytokines IL-1βand TNF-αin damaged brain tissue,and the activation status of microglia in CCI-afflicted *** the realm of in vitro experiments,PDMSC-conditioned media demonstrated substantial reductions in mortality rates and cleaved caspase-3 levels in glutamate-induced HT22 cells compared with conventional ***,this advantage was negated upon the introduction of neutralizing antibodies targeting TIMP-1 and ***:Collectively,our findings underscore the potential of PDMSCs in alleviating oxidative stress injury and secondary brain injury in the pathological process of TBI.

关键词： Traumatic brain injury Mesenchymal stem cells Oxidative stress Matrix metalloproteinases

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Association between body mass index and in vitro fertilization/intra-cytoplasmic sperm injection outcomes:An analysis of 15,124 normal ovarian responders in China

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Chinese Medical Journal 2024年第7期137卷 837-845页

作者： Danlei Zheng Yuanyuan Wang Lixue Chen Lin Zeng Rong Li department of Obstetrics and Gynecology Center for Reproductive MedicinePeking University Third HospitalBeijing 100191China Research Center of clinical Epidemiology Peking University Third HospitalBeijing 100191China

Background:High body mass index(BMI)results in decreased fecundity,and women with high BMI have reduced rates of clinical pregnancy and live birth in in vitro fertilization/intra-cytoplasmic sperm injection(IVF/ICSI).Meanwhile,ovarian responses show great heterogeneity in patients with a high *** study aimed to analyze the effects of a high BMI on IVF/ICSI outcomes in the Chinese female with normal ovarian ***:We performed a retrospective cohort study comprising 15,124 patients from the medical record system of the Reproductive Center of Peking University Third Hospital,with 3530(23.3%)in the overweight group and 1380(9.1%)in the obese group,who had a normal ovarian response(5-15 oocytes retrieved)and underwent fresh embryo transfer(ET)cycles from January 2017 to December 2018,followed by linked frozen-thawed embryo transfer(FET)cycles from January 2017 to December *** live birth rate(CLBR)was used as the primary ***,a generalized additive model was applied to visually illustrate the curvilinear relationship between BMI and the *** used a decision tree to identify the specific population where high BMI had the greatest effect on IVF/ICSI ***:High BMI was associated with poor IVF/ICSI outcomes,both in cumulative cycles and in separate fresh ET or FET *** cumulative cycles,compared with the normal weight group,obesity was correlated with a lower positive pregnancy test rate(adjusted odds ratio[aOR]:0.809,95%confidence interval[CI]:0.682-0.960),lower clinical pregnancy rate(aOR:0.766,95%CI:0.646-0.907),lower live birth rate(aOR:0.706,95%CI:0.595-0.838),higher cesarean section rate(aOR:2.066,95%CI:1.533-2.785),and higher rate of large for gestational age(aOR:2.273,95%CI:1.547-3.341).In the generalized additive model,we found that CLBR declined with increasing BMI,with 24 kg/m^(2)as an inflection *** the decision tree,BMI only made a difference in the population aged≤34.5 years,with anti-Muller

关键词： Obesity Body mass index fertilization Live birth Decision trees Normal ovarian response

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Comparison of various prediction models in the effect of laparoscopic sleeve gastrectomy on type 2 diabetes mellitus in the Chinese population 5 years after surgery

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Chinese Medical Journal 2024年第3期137卷 320-328页

作者： Chengyuan Yu Liang Wang Guangzhong Xu Guanyang Chen Qing Sang Qiqige Wuyun Zheng Wang Chenxu Tian Nengwei Zhang Surgery Centre of Diabetes Mellitus Peking University Ninth School of Clinical MedicineBeijing 100038China department of Surgery Beijing Shijitan HospitalCapital Medical UniversityBeijing 100038China

Background:The effect of bariatric surgery on type 2 diabetes mellitus(T2DM)control can be assessed based on predictive models of T2DM *** models have been externally verified ***,long-term validated results after laparoscopic sleeve gastrectomy(LSG)surgery are *** best model for the Chinese population is also ***:We retrospectively analyzed Chinese population data 5 years after LSG at Beijing Shijitan Hospital in China between March 2009 and December *** independent t-test,Mann–Whitney U test,and chi-squared test were used to compare characteristics between T2DM remission and non-remission *** evaluated the predictive efficacy of each model for longterm T2DM remission after LSG by calculating the area under the curve(AUC),sensitivity,specificity,Youden index,positive predictive value(PPV),negative predictive value(NPV),and predicted-to-observed ratio,and performed calibration using Hosmer–Lemeshow test for 11 prediction ***:We enrolled 108 patients,including 44(40.7%)men,with a mean age of 35.5 *** mean body mass index was 40.3±9.1 kg/m^(2),the percentage of excess weight loss(%EWL)was(75.9±30.4)%,and the percentage of total weight loss(%TWL)was(29.1±10.6)%.The mean glycated hemoglobin A1c(HbA1c)level was(7.3±1.8)%preoperatively and decreased to(5.9±1.0)%5 years after *** 5-year postoperative complete and partial remission rates of T2DM were 50.9%[55/108]and 27.8%[30/108],*** models,i.e.,"ABCD",individualized metabolic surgery(IMS),advanced-DiaRem,DiaBetter,Dixon et al’s regression model,and Panunzi et al’s regression model,showed a good discrimination ability(all AUC>0.8).The"ABCD"(sensitivity,74%;specificity,80%;AUC,0.82[95%confidence interval[CI]:0.74–0.89]),IMS(sensitivity,78%;specificity,84%;AUC,0.82[95%CI:0.73–0.89]),and Panunzi et al’s regression models(sensitivity,78%;specificity,91%;AUC,0.86[95%CI:0.78–0.92])showed good *** the Hosmer–Lemeshow g

关键词： Type 2 diabetes mellitus Risk prediction models External validation Sleeve gastrectomy Bariatric surgery

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HIF-1α facilitates glioma proliferation and invasion by activating pyroptosis signaling axis

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中华神经外科杂志(英文) 2024年第2期10卷 1-9页

作者： Wang Xin-Wei Fu Hao Zhang Ya-Min The First Central clinical School Tianjin Medical University Tianjin China department of General medicine Characteristic Medical Center of PAP Tianjin China

Background HIF-1α is thought to be a novel regulator which contributes to carcinogenesis. However, the mechanism underlying the effect of HIF-1α in gliomas remains largely *** In the research, we demonstrate that HIF-lα mRNA and protein levels are elevated in glioma cells. The colony formation assays, transwell assays, and wound-healing assays showed that overexpression of HIF-1α promoted proliferation and invasion of glioma *** Overexpression of HIF-lα also increased the expression of inflammatory factors related to pyrolysis (TNF-α, IL-10, and IL-1β) and protein related to pyrolysis signal pathway (NLRP3, ASC, caspase-1, GSDMD, and GSDME).Conclusions Therefore, we speculate that HIF-1α promotes the proliferation and invasion of glial cells by regulating pyrolysis pathway. These results might provide a novel strategy and target for treatment of glioma.

关键词： Glial cells Hypoxia-inducing factor 1α SHG44 cells Pyroptosis

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Traditional Chinese medicine Integrated Responsive Microneedles for Systemic Sclerosis Treatment

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Research 2024年第1期2023卷 139-147页

作者： Xi Luan Xiaoxuan Zhang Min Nie Yuanjin Zhao department of Rheumatology and Immunology Nanjing Drum Tower HospitalSchool of PharmacyClinical College of Traditional Chinese and Western MedicineNanjing University of Chinese MedicineNanjing 210023China State Key Laboratory of Bioelectronics School of Biological Science and Medical EngineeringSoutheast UniversityNanjing 210096China

Traditional Chinese medicine,such as Tripterygium wilfordii and Paeonia lactiflora,has potential values in treating systemic sclerosis(SSc)and other autoimmune diseases,while their toxic side effect elimination and precise tropical drug delivery are still ***,we present multiple traditional Chinese medicine integrated photoresponsive black phosphorus(BP)microneedles(MNs)with the desired features for the SSc *** employing a template-assisted layer-by-layer curing method,such MNs with triptolide(TP)/paeoniflorin(Pae)needle tips and BP-hydrogel needle bottoms could be well *** combined administration of TP and Pae can not only provide anti-inflammatory,detoxification,and immunomodulatory effects to treat skin lesions in the early stage of SSc but also remarkably reduce the toxicity of single drug ***,the additive BPs possess good biocompatibility and near-infrared(NIR)responsiveness,imparting the MN photothermal-controlled drug release *** on these features,we have demonstrated that the traditional Chinese medicine integrated responsive MNs could effectively improve skin fibrosis and telangiectasia,reduce collagen deposition,and reduce epidermal thickness in the SSc mouse *** results indicated that the proposed Chinese medicine integrated responsive MNs had enormous potential in clinical therapy of SSc and other diseases.

关键词： needle precise template

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clinical practice of sepsis-induced immunosuppression:Current immunotherapy and future options

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Chinese Journal of Traumatology 2024年第2期27卷 63-70页

作者： Fei Pei Bin Gu Shu-Min Miao Xiang-Dong Guan Jian-Feng Wu department of Critical Care medicine The First Affiliated HospitalSun Yat-sen UniversityGuangzhou510080China Guangdong clinical Research Center for Critical Care medicine Guangzhou510080China

Sepsis is a potentially fatal condition characterized by the failure of one or more organs due to a disordered host response to *** development of sepsis is closely linked to immune *** a result,immunotherapy has gained traction as a promising approach to sepsis treatment,as it holds the potential to reverse immunosuppression and restore immune balance,thereby improving the prognosis of septic ***,due to the highly heterogeneous nature of sepsis,it is crucial to carefully select the appropriate patient population for *** review summarizes the current and evolved treatments for sepsis-induced immunosuppression to enhance clinicians'understanding and practical application of immunotherapy in the management of sepsis.

关键词： Sepsis Sepsis-induced immunosuppression Immunotherapy Enrichment Classifier

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Four centrosome-related genes to predict the prognosis and drug sensitivity of patients with colon cancer

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 1908-1924页

作者： Hui-Yan Wang Yan Diao Pei-Zhu Tan Huan Liang department of clinical Laboratory Harbin Medical University Cancer HospitalHarbin 150086Heilongjiang ProvinceChina department of clinical Laboratory Heilongjiang Province HospitalHarbin 150000Heilongjiang ProvinceChina Translational medicine Center of Northern China Harbin Medical UniversityHarbin 150081Heilongjiang ProvinceChina

BACKGROUND As the primary microtubule organizing center in animal cells,centrosome abnormalities are involved in human colon *** To explore the role of centrosome-related genes(CRGs)in colon *** CRGs were collected from public *** clustering analysis was performed to separate the Cancer Genome Atlas *** Cox and least absolute shrinkage selection operator regression analyses were performed to identify candidate prognostic CRGs and construct a centrosome-related signature(CRS)to score colon cancer patients.A nomogram was developed to evaluate the CRS risk in colon cancer *** integrated bioinformatics analysis was conducted to explore the correlation between the CRS and tumor immune microenvironment and response to immunotherapy,chemotherapy,and targeted ***-cell transcriptome analysis was conducted to examine the immune cell landscape of core prognostic *** A total of 726 CRGs were collected from public databases.A CRS was constructed,which consisted of the following four genes:TSC1,AXIN2,COPS7A,and *** cancer patients with a high-risk signature had poor *** with a high-risk signature exhibited decreased levels of plasma cells and activated memory CD4+T *** treatment response,patients with a high-risk signature were resistant to immunotherapy,chemotherapy,and targeted ***7A expression was relatively high in endothelial cells and ***1 expression was high in endothelial cells,fibroblasts,and malignant *** We constructed a centrosome-related prognostic signature that can accurately predict the prognosis of colon cancer patients,contributing to the development of individualized treatment for colon cancer.

关键词： Colon cancer Centrosome Signature Prognostic Immune microenvironment Therapy

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Amyloid-beta and tau protein beyond Alzheimer's disease

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Neural Regeneration Research 2024年第6期19卷 1262-1276页

作者： Morteza Abyadeh Vivek Gupta Joao A.Paulo Arezoo Gohari Mahmoudabad Sina Shadfar Shahab Mirshahvaladi Veer Gupta Christine T.O.Nguyen David I.Finkelstein Yuyi You Paul A.Haynes Ghasem H.Salekdeh Stuart L.Graham Mehdi Mirzaei ProGene Technologies Pty Ltd. 2. department of clinical medicine Faculty of Medicine Health and Human Sciences Macquarie Medical School Macquarie University department of Cell Biology Harvard Medical School School of medicine Deakin University department of Optometry and Vision Sciences School of Health Sciences Faculty of Medicine Dentistry and Health Sciences University of Melbourne The Florey Institute of Neuroscience and Mental Health The University of Melbourne School of Natural Sciences Macquarie University

The aggregation of amyloid-beta peptide and tau protein dysregulation are implicated to play key roles in Alzheimer’s disease pathogenesis and are considered the main pathological hallmarks of this devastating disease. Physiologically, these two proteins are produced and expressed within the normal human body. However, under pathological conditions, abnormal expression, posttranslational modifications, conformational changes, and truncation can make these proteins prone to aggregation, triggering specific disease-related cascades. Recent studies have indicated associations between aberrant behavior of amyloid-beta and tau proteins and various neurological diseases, such as Alzheimer’s disease, Parkinson’s disease, and amyotrophic lateral sclerosis, as well as retinal neurodegenerative diseases like Glaucoma and age-related macular degeneration. Additionally, these proteins have been linked to cardiovascular disease, cancer, traumatic brain injury, and diabetes, which are all leading causes of morbidity and mortality. In this comprehensive review, we provide an overview of the connections between amyloid-beta and tau proteins and a spectrum of disorders.

关键词： amyloid-beta cancer cardiovascular diseases diabetes neurodegeneration Tau traumatic brain injury

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Distribution of Traditional Chinese medicine syndromes in diabetic kidney disease chronic kidney disease 1-5: a correlation study

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Journal of Traditional Chinese medicine 2024年第3期44卷 572-580页

作者： LI Shuang DUAN Shuwei DONG Zheyi QU Yilun LUO Yayong KE Jianghua WANG Conghui PENG Yangzhi ZHOU Xuefeng CHEN Xiangmei department of Nephrology First Medical Center of Chinese PLA General HospitalNephrology Institute of the Chinese People's Liberation ArmyNational Key Laboratory of Kidney DiseasesNational Clinical Research Center for Kidney DiseasesBeijing Key Laboratory of Kidney Disease Research School of clinical medicine Guangdong Pharmaceutical University Basic Medical College Chengdu University of Traditional Chinese Medicine

OBJECTIVE: To analyze the distribution of Traditional Chinese medicine(TCM) syndromes in patients with diabetic kidney disease(DKD) and its related ***: We enrolled 435 patients with DKD, who were not undergoing dialysis, admitted to the department of Nephrology, First Medical Center, Chinese PLA General Hospital from April 2020 to August *** of their TCM syndromes and related factors was carried ***: The 435 patients included 109, 117, 86, and 123 chronic kidney disease(CKD) 1-2, CKD3, CKD4, and CKD5 cases, respectively. With the progression of CKD1-5, the proportion of Yin deficiency and dry heat syndrome,and that of Qi and Yin deficiency syndrome showed a downward trend, whereas the proportion of spleen-kidney Yang deficiency, blood deficiency, blood stasis, water stagnation, and phlegm turbidity syndromes showed an upward trend; the differences were statistically significant(P < 0.05). Multivariate logistic regression analysis showed that Yin deficiency and dry heat syndrome was positively correlated with hemoglobin [odds ratio(OR) =1.022, P = 0.005], albumin(OR = 1.058, P = 0.006), and estimated glomerular filtration rate(eGFR)(OR = 1.020,P < 0.001) but negatively correlated with male sex(OR =0.277, P = 0.004). Qi and Yin deficiency syndrome was positively correlated with albumin(OR = 1.056, P < 0.001)and eGFR(OR = 1.008, P = 0.022) but negatively correlated with age(OR = 0.977, P = 0.023). Liver-kidney Yin deficiency syndrome was positively correlated with age(OR = 1.028, P = 0.021) and glycosylated hemoglobin(OR = 1.223, P = 0.007) but negatively correlated with total cholesterol(OR = 0.792, P = 0.006).Spleen-kidney Yang deficiency syndrome was negatively correlated with hemoglobin(OR = 0.977, P < 0.001),albumin(OR = 0.891, P < 0.001), and eGFR(OR = 0.978,P < 0.001) but positively correlated with high density lipoprotein(OR = 3.376, P = 0.001). CONCLUSION: With CKD1-5 progression, TCM syndromes changed from Yin deficiency and dry

关键词： albumins correlation of data diabetic nephropathies glomerular filtration rate hemoglobins syndrome and complex

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Proteomic profiling of cerebrospinal fluid in pediatric myelin oligodendrocyte glycoprotein antibody-associated disease

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World Journal of Pediatrics 2024年第3期20卷 259-271页

作者： Yi-Long Wang Meng-Ying Zhu Zhe-Feng Yuan Xiao-Yan Ren Xiao-Tong Guo Yi Hua Lu Xu Cong-Ying Zhao Li-Hua Jiang Xin Zhang Guo-Xia Sheng Pei-Fang Jiang Zheng-Yan Zhao Feng Gao department of Neurology Children's HospitalZhejiang University School of MedicineHangzhou 310052China Children's Hospital Zhejiang University School of MedicineHangzhou 310052China Children's Hospital National Clinical Research Center for Child HealthZhejiang University School of MedicineHangzhou 310052China

Background Myelin oligodendrocyte glycoprotein(MOG)antibody-associated disease(MOGAD)is an autoimmune demy-elinating disorder of the central nervous *** Extracted proteins from 34 cerebrospinal fluid(CSF)samples[patients with MOGAD(MOG group,n=12);healthy controls(HC group,n=12);patients with MOG seronegative and metagenomics next-generation sequencing-negative inflammatory neurological diseases(IND group,n=10)]were processed and subjected to label-free quantitative *** partial least squares-discriminant analysis(PLS-DA)and orthogonal PLS-DA(O-PLS-DA)models were also performed based on proteomics *** analysis of differentially expressed proteins(DEPs)was performed using Gene Ontology,InterPro,and Kyoto Encyclopedia Genes and *** enzyme-linked immunosorbent assay was used to determine the complement levels in serum from patients with *** Four hundred and twenty-nine DEPs(149 upregulated and 280 downregulated proteins)were identified in the MOG group compared to the HC group according to the P value and fold change(FC).Using the O-PLS-DA model,872 differentially abundant proteins were identified with variable importance projection(VIP)scores>*** proteins(gamma-glutamyl hydrolase,cathepsin F,interalpha-trypsin inhibitor heavy chain 5,latent transforming growth factor beta-binding protein 4 and leukocyte-associated immunoglobulin-like receptor 1)overlapping between the top 30 DEPs with top-ranked P value and FC and top 30 proteins in PLS-DA VIP lists were *** analysis revealed that the dysregulated proteins in the MOG group were primarily involved in complement and coagulation cascades,cell adhesion,axon guidance,and glycosphingolipid biosynthesis compared to the HC *** The proteomic alterations in CSF samples from children with MOGAD identified in the current study might provide opportunities for developing novel biomarker candidates.

关键词： Acute disseminated encephalomyelitis Cerebrospinal fluid Complement cascades Myelin oligodendrocyte glycoprotein-associated disease Proteomics

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