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Estrogen restores disordered lipid metabolism in visceral fat of prediabetic mice

World Journal of Diabetes 2024年第5期15卷 988-1000页

作者： Su-Huan Liu Zhao-Shui Shangguan Paiziliya Maitiaximu Zhi-Peng Li Xin-Xin Chen Can-Dong Li Research Base of Chinese medicine Syndrome Fujian University of Traditional Chinese MedicineFuzhou 350122Fujian ProvinceChina Research Center for translational medicine The First Affiliated Hospital of Xiamen UniversitySchool of MedicineXiamen UniversityXiamen 361003Fujian ProvinceChina

BACKGROUND Visceral obesity is increasingly prevalent among adolescents and young adults and is commonly recognized as a risk factor for type 2 ***[17β-estradiol(E2)]is known to offer protection against obesity via diverse me-chanisms,while its specific effects on visceral adipose tissue(VAT)remain to be fully *** To investigate the impact of E2 on the gene expression profile within VAT of a mouse model of *** Metabolic parameters were collected,encompassing body weight,weights of visceral and subcutaneous adipose tissues(VAT and SAT),random blood glucose levels,glucose tolerance,insulin tolerance,and overall body *** gene expression profiles of VAT were quantified utilizing the Whole Mouse Genome Oligo Microarray and subsequently analyzed through Agilent Feature Extraction *** and pathway analyses were conducted employing Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses,*** Feeding a high-fat diet(HFD)moderately increased the weights of both VAT and SAT,but this increase was mitigated by the protective effect of endogenous ***,ovariectomy(OVX)led to a significant increase in VAT weight and the VAT/SAT weight ratio,and this increase was also reversed with E2 ***,OVX diminished the expression of genes involved in lipid metabolism compared to HFD feeding alone,signaling a widespread reduction in lipid metabolic activity,which was completely counteracted by E2 *** study provides a comprehensive insight into E2's local and direct protective effects against visceral adiposity in VAT at the gene *** In conclusion,the present study demonstrated that the HFD-induced over-nutritional challenge disrupted the gene expression profile of visceral fat,leading to a universally decreased lipid metabolic status in E2 deficient mice.E2 treatment effectively reversed this condition,shedding light on the mechanistic role and thera

关键词： Estrogen Obesity,Visceral adiposity Energy metabolism Type 2 diabetes

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Deficiency of Trp53 and Rb1 in myeloid cell lineage spontaneously develops acute myeloid leukemia in a mouse model

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Genes & Diseases 2024年第1期11卷 4-6页

作者： Yang Li Shu-ting Yang Shuying Yang Department of Basic&translational Sciences School of Dental MedicineUniversity of PennsylvaniaPhiladelphiaPA 19104USA Department of Orthopaedic Surgery School of MedicineJohns Hopkins University BaltimoreMD 21205USA Center for Innovation&Precision Dentistry School of Dental MedicineSchool of Engineering and Applied SciencesUniversity of PennsylvaniaPhiladelphiaPA 19104USA The Penn Center for Musculoskeletal Disorders School of MedicineUniversity of PennsylvaniaPhiladelphiaPA 19104USA

Acute myeloid leukemia(AML)is a rapidly lethal blood cancer characterized by aberrant proliferation and differentiation of myeloid progenitors in the hematopoietic *** recent decades,AML patients are significantly *** 2019 alone,21,450 new AML cases were diagnosed in the United States,with an estimated 10,920 deaths due to ***’s worse,AML occurs with an increasing incidence with advanced age,and the survival rate remains dismal with a median overall survival of only 5e10 *** great advances in allogenic transplant and chemotherapy,the therapeutic outcomes are unfavorable due to the disease relapse and mortality *** importantly,the development of more specific and effective therapies was hampered in part by the lack of proper animal models for ***,management and elucidation of the pathological mechanism of AML remain an ongoing challenge,and the development of effective AML mouse models and treatment options are urgently needed.

关键词： myeloid Acute leukemia

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Elevated brain temperature under severe heat exposure impairs cortical motor activity and executive function

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Journal of Sport and Health Science 2024年第2期13卷 233-244页

作者： Xiang Ren Tan Mary C.Stephenson Sharifah Badriyah Alhadad Kelvin W.Z.Loh Tuck Wah Soong Jason K.W.Lee Ivan C.C.Low Health and Social Sciences Singapore Institute of TechnologySingapore 138683Singapore Human Potential translational Research Programme Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117597Singapore Centre for translational Magnetic Resonance Research Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117549Singapore Department of Physiology Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117593Singapore Heat Resilience and Performance Centre Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117510Singapore N.1 Institute for Health National University of SingaporeSingapore 117456Singapore Campus for Research Excellence and Technological Enterprise(CREATE) Singapore 138602Singapore

Background:Excessive heat exposure can lead to hyperthermia in humans,which impairs physical performance and disrupts cognitive *** heat is a known physiological stressor,it is unclear how severe heat stress affects brain physiology and ***:Eleven healthy participants were subjected to heat stress from prolonged exercise or warm water immersion until their rectal temperatures(T_(re))attained 39.5℃,inducing exertional or passive hyperthermia,*** a separate trial,blended ice was ingested before and during exercise as a cooling *** were compared to a control condition with seated rest(normothermic).Brain temperature(T_(br)),cerebral perfusion,and task-based brain activity were assessed using magnetic resonance imaging ***:T_(br)in motor cortex was found to be tightly regulated at rest(37.3℃±0.4℃(mean±SD))despite fluctuations in T_(re).With the development of hyperthermia,T_(br)increases and dovetails with the rising T_(re).Bilateral motor cortical activity was suppressed during high-intensity plantarflexion tasks,implying a reduced central motor drive in hyperthermic participants(T_(re)=38.5℃±0.1℃).Global gray matter perfusion and regional perfusion in sensorimotor cortex were reduced with passive *** function was poorer under a passive hyperthermic state,and this could relate to compromised visual processing as indicated by the reduced activation of left lateral-occipital ***,ingestion of blended ice before and during exercise alleviated the rise in both T_(re)and T_(bc)and mitigated heat-related neural ***:Severe heat exposure elevates T_(br),disrupts motor cortical activity and executive function,and this can lead to impairment of physical and cognitive performance.

关键词： Brain functional activity Cognition Heat stress Hyperthermia Motor function

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Current Immunotherapy Strategies for Rheumatoid Arthritis:The Immunoengineering and Delivery Systems

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Research 2024年第3期2023卷 169-189页

作者： Chenyu Zhang Peixiang Ma An Qin Liao Wang Kerong Dai Yuanyuan Liu Jie Zhao Zuyan Lu school of medicine Shanghai UniversityShanghaiChina Clinical and translational Research Center for 3D Printing Technology Shanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Shanghai Key Laboratory of Orthopedic Implants Department of Orthopedic SurgeryShanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Shanghai Frontiers Science Center of Degeneration and Regeneration in Skeletal System ShanghaiChina.

Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease accompanied by persistent multiarticular synovitis and cartilage degradation. The present clinical treatments are limited to disease-modifying anti-rheumatic drugs (DMARDs) and aims to relieve pain and control the inflammation of RA. Despite considerable advances in the research of RA, the employment of current clinical procedure is enormous, hindered by systemic side effect, frequent administration, tolerance from long-lasting administration, and high costs. Emerging immunoengineering-based strategies, such as multiple immune-active nanotechnologies via mechanism-based immunology approaches, have been developed to improve specific targeting and to reduce adverse reactions for RA treatments. Here, we review recent studies in immunoengineering for the treatment of RA. The prospect of future immunoengineering treatment for RA has also been discussed.

关键词： drugs Rheumatoid treatment

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Multifunctional electroactive bio-adhesive for robustly-integrated wound therapy and postoperative wound-status warning and assessment

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Nano Research 2024年第5期17卷 4359-4370页

作者： Ouyang Yue Xuechuan Wang Mengdi Hou Siwei Sun Manhui Zheng Xiaoliang Zou Zhongxue Bai Chunlin Liu Xinhua Liu College of Bioresources Chemical and Materials Engineering Shaanxi University of Science&TechnologyXi’an 710021China College of Pharmacy Shaanxi University of Chinese MedicineXi’an 710021China Institute of Basic and translational medicine Xi’an Medical UniversityXi’an 710021China school of Mechanical Engineering Chengdu UniversityChengdu 610000China

Wound abnormalities such as secondary wound laceration and inflammation are common postoperative health hazards during clinical *** continuous treatment,healing induction,and real-time visualization of wound status and complications,including wound re-tearing,inflammation,and morphology,are key focal points for comprehensive ***,an on-demand quadruple energy dissipative strategy was proposed for the nanoengineering of a physically and chemically synergistic double-layer gelatin-based bio-adhesive(DLGel)by combining a multi-network adhesive layer and a versatile electroactive energy dissipative layer based on contrivable interlocking micro-pillar arrays and crosslinked polymer *** subtly multiple energy dissipation designs enable DLGel with robust adhesive strength to omnipotently wet and dynamic tissue,providing a basis for reliable wound *** achieves comprehensive wound-healing induction through electrical stimulation and possesses reversible underwater light/thermal adhesion,excellent hemostatic performance,outstanding antimicrobial properties,and self-repair ***,a novel deep-learning strategy is creatively established to respond to mechanical deformation due to wound *** strategy translates biological information into visual graphics,providing real-time early warning and assessment of postoperative wound-abnormality/-morphology,such as laceration,inflammation,and ***,DLGel and its associated signal collection and processing protocol enable the integration of reliable wound closure,wound healing,and real-time postoperative wound-status warning and assessment within the unobservable and undetectable“black box”regions in a context of non-clinical comprehensive therapy.

关键词： electroactive bio-adhesive quadruple energy dissipation comprehensive wound therapy postoperative wound-status warning and assessment

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Cross-sectional network analysis of plasma proteins/metabolites correlated with pathogenesis and therapeutic response in acute promyelocytic leukemia

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Frontiers of medicine 2024年第2期18卷 327-343页

作者： Niu Qiao Yizhu Lyu Feng Liu Yuliang Zhang Xiaolin Ma Xiaojing Lin Junyu Wang Yinyin Xie Ruihong Zhang Jing Qiao Hongming Zhu Li Chen Hai Fang Tong Yin Zhu Chen Qiang Tian Saijuan Chen Shanghai Institute of Hematology State Key Laboratory of Medical GenomicsNational Research Center for Translational Medicine at ShanghaiRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai200025China Department of Hematology Second Hospital of Dalian Medical UniversityDalian116021China

The treatment of PML/RARA+acute promyelocytic leukemia(APL)with all-trans-retinoic acid and arsenic trioxide(ATRA/ATO)has been recognized as a model for translational medicine *** an altered microenvironment is a general cancer hallmark,how APL blasts shape their plasma composition is poorly ***,we reported a cross-sectional correlation network to interpret multilayered datasets on clinical parameters,proteomes,and metabolomes of paired plasma samples from patients with APL before or after ATRA/ATO induction *** study revealed the two prominent features of the APL plasma,suggesting a possible involvement of APL blasts in modulating plasma *** was characterized by altered secretory protein and metabolite profiles correlating with heightened proliferation and energy consumption in APL blasts,and the other featured APL plasma-enriched proteins or enzymes catalyzing plasma-altered metabolites that were potential trans-regulatory targets of PML/***,results indicated heightened interferon-gamma signaling characterizing a tumor-suppressing function of the immune system at the first hematological complete remission stage,which likely resulted from therapy-induced cell death or senescence and ensuing supraphysiological levels of intracellular ***,our work sheds new light on the pathophysiology and treatment of APL and provides an information-rich reference data cohort for the exploratory and translational study of leukemia microenvironment.

关键词： acute promyelocytic leukemia plasma proteomics plasma metabolomics cross-sectional correlation network pathogenesis treatment

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Alleviative effects of Bacillus coagulans strains on irritable bowel syndrome-unraveling strain specificity through physiological and genomic analysis

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Food Science and Human Wellness 2024年第4期13卷 1845-1855页

作者： Jiang Cao Leilei Yu Jianxin Zhao Hao Zhang Wei Chen Yuzheng Xue Qixiao Zhai State Key Laboratory of Food Science and Technology Jiangnan UniversityWuxi 214122China school of Food Science and Technology Jiangnan UniversityWuxi 214122China National Engineering Research Center for Functional Food Jiangnan UniversityWuxi 214122China Wuxi translational medicine Research Center and Jiangsu translational medicine Research Institute Wuxi Branch Wuxi 214122China Department of Gastroenterology Affiliated Hospital of Jiangnan UniversityWuxi 214122China

The high intraspecies heterogeneity of Baciillus coagulans leads to significant phenotypic differences among different ***,6 *** strains were tested in the present study using an irritable bowel syndrome(IBS)animal model to determine whether the IBS-alleviating effects of *** strains are *** results of this study showed that the ingestion of *** GBI-30,6086,and *** CCFM1041 significantly alleviated IBS symptoms in *** contrast,other *** strains showed no or limited alleviating effects on IBS *** to our experimental results,the two main common features of these strains were as follows:1)The resistance of vegetative cells to bile salts,and 2)ability to synthesize specific lipids and secondary *** strains based on these two indicators may greatly reduce costs and provide a basis for mining new functional *** *** results also suggest that administration of *** could significantly regulate microbiota dysbiosis in animal ***,the close relationships between the gut microbiota,gut microbiota metabolites,and IBS were further confirmed in this study.

关键词： Baciillus coagulans Irritable bowel syndrome Resistance to bile salts Comparative genomic analysis Gut microbiota

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Fucosyltransferase 8 regulates adult neurogenesis and cognition of mice by modulating the Itga6-PI3K/Akt signaling pathway

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Science China(Life Sciences) 2024年第7期67卷 1427-1440页

作者： Hongfeng Guo Qihang Sun Xiaoli Huang Xiaohao Wang Feng Zhang Wenzheng Qu Jinling Liu Xuejun Cheng Qiang Zhu Wen Yi Qiang Shu Xuekun Li The Children’s Hospital National Clinical Research Center for Child HealthSchool of MedicineZhejiang UniversityHangzhou 310052China The Institute of translational medicine School of MedicineZhejiang UniversityHangzhou 310029China College of Life Sciences Zhejiang UniversityHangzhou 310058China Binjiang Institute of Zhejiang University Hangzhou 310053China Zhejiang University Cancer Center Zhejiang UniversityHangzhou 310029China

Fucosyltransferase 8(Fut8)and core fucosylation play critical roles in regulating various biological processes,including immune response,signal transduction,proteasomal degradation,and energy ***,the function and underlying mechanism of Fut8 and core fucosylation in regulating adult neurogenesis remains *** have shown that Fut8 and core fucosylation display dynamic features during the differentiation of adult neural stem/progenitor cells(aNSPCs)and postnatal brain ***8 depletion reduces the proliferation of a NSPCs and inhibits neuronal differentiation of aNSPCs in vitro and in vivo,***,Fut8 deficiency impairs learning and memory in ***,Fut8 directly interacts with integrinα6(Itga6),an upstream regulator of the PI3kAkt signaling pathway,and catalyzes core fucosylation of *** of Fut8 enhances the ubiquitination of Itga6 by promoting the binding of ubiquitin ligase Trim21 to *** levels of Itga6 inhibit the activity of the PI3K/Akt signaling ***,the Akt agonist SC79 can rescue neurogenic and behavioral deficits caused by Fut8 *** summary,our study uncovers an essential function of Fut8 and core fucosylation in regulating adult neurogenesis and sheds light on the underlying mechanisms.

关键词： Fut8 adult neural stem/progenitor cells neurogenesis Itga6 PI3K/Akt

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Raising New Hope for Controlling Seizures in Focal Cortical Dysplasia with Gene Therapy

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Neuroscience Bulletin 2024年第7期40卷 1028-1030页

作者： Yuanzhi Yang Yang Zheng Zhong Chen Cenglin Xu Key Laboratory of Neuropharmacology and translational medicine of Zhejiang Province School of Pharmaceutical SciencesXinhua Hospital of Zhejiang ProvinceThe Second Affiliated Hospital of Zhejiang Chinese Medical UniversityZhejiang Chinese Medical UniversityHangzhou310053China

Focal cortical dysplasia(FCD)is characterized by abnormal cortical development and pharmacoresistant epilepsy,often accompanied by cognitive and behavioral malfunctions[1].According to the International League against Epilepsy(ILAE)classification proposed by Najm,Imad et *** 2022,FCD can be further divided into isolated forms(FCD type Ⅰ and Ⅱ)and another type associated with a principal lesion(FCD type Ⅲ)[2].

关键词： epilepsy al. Therapy

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Advancements in personalized stem cell models for aging-related neurodegenerative disorders

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Neural Regeneration Research 2024年第11期19卷 2333-2334页

作者： Mingxi Weng Ralf Jauch school of Biomedical Sciences Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionChina Center for translational Stem Cell Biology Hong Kong Special Administrative RegionChina

Neurodegenerative diseases(NDDs)are a class of disorders characterized by the gradual loss or malfunction of specific cell populations in the nervous system,which can be triggered by genetic or environmental *** a result,patients often experience a decline in mobility,sensation,memory,and cognition,which can ultimately lead to a fatal *** global incidence of NDDs,including Alzheimer’s disease,Parkinson’s disease,Huntington’s disease,amyotrophic lateral sclerosis(ALS),and multiple sclerosis,is increasing.

关键词： degenerative Huntington sensation

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