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Investigation on occupant presence and appliance operation schedules for university campus in south China sub-tropical area

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Building Simulation 2024年第2期17卷 301-318页

作者： Siwei Lou Zhongyuan Lin Yukai Zou Dawei Xia Yu Huang Zhuohong Li Zhaowen Gu School of Civil Engineering Guangzhou UniversityGuangzhou Higher Edu.Mega CenterGuangzhouChina School of Architecture and Urban Planning Guangzhou UniversityGuangzhou Higher Edu.Mega CenterGuangzhouChina

Building occupant presence during varying periods is crucial to the performance studies of buildings and city regions.However,the understanding of the building occupancies on the university campus remains limited.To address this gap,our study employs field measurements,payment records,course arrangements,and building access systems to depict the occupancy patterns of the canteen,dormitory,library,and teaching and lab buildings during weekdays and weekends.We found that the occupancy rates across different buildings are somehow interrelated,given that the total number of occupants on campus is generally constant.Notably,dormitory occupancy rates tend to be low during the morning and afternoon course hours,which inversely correlates with the high occupancy rates in the teaching and lab buildings during these periods.Similarly,canteens experience surges in occupancy during meal times,which coincide with a decrease in library usage.Moreover,we established appliance operation schedules for dormitories through surveys and on-site investigations.Water dispensers and electronic devices were identified as the primary energy consumers for both male and female occupants,with desk-top fans and hairdryers being significant energy users for male and female occupants,respectively.These findings are essential for energy studies within a campus setting,underlining the importance of considering occupant behaviors on a regional scale.

关键词： building occupant behavior university campus occupancy schedule appliance operation schedule

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An Outbreak of Serogroup Y Meningococcal Meningitis in a Private Secondary Vocational School-guangzhou City,Guangdong Province,China,2023

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China CDC weekly 2024年第12期6卷 242-246,I0005页

作者： Xiang Zeng Qing He Yilan Li Yong Zhou Xiaoping Shao Pei Hu Jian Liang Yudan Song Chao Ma Lijie Zhang Limei Sun Lei Luo Chinese Field Epidemiology Training Program Chinese Center for Disease Control and PreventionBeijingChina Zhuhai center for Disease Control and Prevention Zhuhai CityGuangdong ProvinceChina Guangdong center for Disease Control and Prevention Guangzhou CityGuangdong ProvinceChina guangzhou center for Disease Control and Prevention Guangzhou CityGuangdong ProvinceChina Institute of Public Health Guangzhou Medical University&Guangzhou Center for Disease Control and PreventionGuangzhou CityGuangdong ProvinceChina Department of the National Immunization Programme Chinese Center for Disease Control and PreventionBeijingChina

What is already known about this topic?The inclusion of meningococcal vaccines in the National Immunization Program(NIP)over several years has significantly reduced the incidence of meningococcal meningitis in China to historic lows.Worldwide,there has been a diversification of meningococcal serogroups,leading to a shift in dominant serogroups in China from serogroup A to serogroups C and B,accompanied by a rise in reports of serogroups Y and W.What is added by this report?An outbreak of serogroup Y Neisseria meningitidis(Nm)in a secondary vocational school involved a single confirmed severe case and 24 individuals with laboratory-confirmed Nm carriage.Epidemiological investigation revealed that the outbreak was localized to the classroom of the confirmed case.Prolonged close contact within a confined space was identified as a significant risk factor for Nm transmission.The genotype sequence identified was type 1655(ST-1655),which is categorized under clonal complex 23(CC-23)and bears resemblance to 8 previously confirmed cases of serogroup Y meningococcal meningitis within Guangdong Province.This suggests that serogroup Y infections continue to sporadically emerge and have become prevalent strains.What are the implications for public health practice?This outbreak underscores the critical need to enhance surveillance of meningococcal serogroups and population carrier,and advocate for vaccination with MenY-containing vaccines.

关键词： break Secondary Guangdong

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Transcriptional regulation in the development and dysfunction of neocortical projection neurons

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Neural Regeneration Research 2024年第2期19卷 246-254页

作者： Ningxin Wang Rong Wan Ke Tang Precise Genome Engineering center School of Life SciencesGuangzhou UniversityGuangzhouGuangdong ProvinceChina

Glutamatergic projection neurons generate sophisticated excitatory circuits to integrate and transmit information among different cortical areas,and between the neocortex and other regions of the brain and spinal cord.Appropriate development of cortical projection neurons is regulated by certain essential events such as neural fate determination,proliferation,specification,differentiation,migration,survival,axonogenesis,and synaptogenesis.These processes are precisely regulated in a tempo-spatial manner by intrinsic factors,extrinsic signals,and neural activities.The generation of correct subtypes and precise connections of projection neurons is imperative not only to support the basic cortical functions(such as sensory information integration,motor coordination,and cognition)but also to prevent the onset and progression of neurodevelopmental disorders(such as intellectual disability,autism spectrum disorders,anxiety,and depression).This review mainly focuses on the recent progress of transcriptional regulations on the development and diversity of neocortical projection neurons and the clinical relevance of the failure of transcriptional modulations.

关键词： autism spectrum disorders cognition differentiation excitatory circuits intellectual disability neocortex neurodevelopmental disorders projection neuron specification transcriptional regulation

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Novel de novo TRPV4 mutation identified in a Chinese family with metatropic dysplasia inhibits chondrogenic differentiation

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Genes & Diseases 2024年第3期11卷 83-86页

作者： Ping Wei Weizhe Shi Tianying Nong Caixia Xian Xia Li Zhaohui Li Xin Li Jianping Wu Liyuan Shang Fulong Xu Yibo Xu Hongwen Xu Mingwei Zhu guangzhou Institute of Pediatrics Guangzhou Women and Children's Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouGuangdong 510623China Department of Pediatric Orthopedics Guangzhou Women and Children's Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouGuangdong 510623China

Metatropicdysplasia(MD,MIM156530)is a rare congenital bone dysplasia primarily characterized by severe platyspondyly with long and wide vertebral bodies and dumbbell deformity of the tubular bones.MD can be caused by heterozygous mutations in the gene encoding transient receptor potential vanilloid family member 4(TRPV4).We identifieda novel de novo mutation,c.2353T>C,in the TRPV4 gene,in a Chinese family with mild MD.

关键词： TRPV4 dysplasia congenital

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FGF7 enhances the expression of ACE2 in human islet organoids aggravating SARS-CoV-2 infection

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Signal Transduction and Targeted Therapy 2024年第5期9卷 2260-2274页

作者： Hao Meng Zhiying Liao Yanting Ji Dong Wang Yang Han Chaolin Huang Xujuan Hu Jingyi Chen Hengrui Zhang Zonghong Li Changliang Wang Hui Sun Jiaqi Sun Lihua Chen Jiaxiang Yin Jincun Zhao Tao Xu Huisheng Liu School of Biomedical Engineering Guangzhou Medical UniversityGuangzhou 511495 GuangdongChina guangzhou National Laboratory Guangzhou 510320 GuangdongChina State Key Laboratory of Respiratory Disease National Clinical Research Center for Respiratory DiseaseGuangzhou Institute of Respiratory HealthThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510120China center for Translational Medicine Wuhan Jinyintan HospitalWuhan 430023 HubeiChina School of Biomedical Sciences and Engineering South China University of TechnologyGuangzhou 510006 GuangdongChina

The angiotensin-converting enzyme 2(ACE2)is a primary cell surface viral binding receptor for SARS-CoV-2,so finding new regulatory molecules to modulate ACE2 expression levels is a promising strategy against COVID-19.In the current study,we utilized islet organoids derived from human embryonic stem cells(hESCs),animal models and COVID-19 patients to discover that fibroblast growth factor 7(FGF7)enhances ACE2 expression within the islets,facilitating SARS-CoV-2 infection and resulting in impaired insulin secretion.Using hESC-derived islet organoids,we demonstrated that FGF7 interacts with FGF receptor 2(FGFR2)and FGFR1 to upregulate ACE2 expression predominantly inβcells.This upregulation increases both insulin secretion and susceptibility ofβcells to SARS-CoV-2 infection.Inhibiting FGFR counteracts the FGF7-induced ACE2 upregulation,subsequently reducing viral infection and replication in the islets.Furthermore,retrospective clinical data revealed that diabetic patients with severe COVID-19 symptoms exhibited elevated serum FGF7 levels compared to those with mild symptoms.Finally,animal experiments indicated that SARS-CoV-2 infection increased pancreatic FGF7 levels,resulting in a reduction of insulin concentrations in situ.Taken together,our research offers a potential regulatory strategy for ACE2 by controlling FGF7,thereby protecting islets from SARS-CoV-2 infection and preventing the progression of diabetes in the context of COVID-19.

关键词： ACE2 FGF7 islet

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Gp78 regulates PMP22 and causes ER stress and autophagy in EV71-VP1-overexpressing mouse Schwann cells

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BIOCELL 2024年第4期48卷 653-664页

作者： DANPING ZHU GUANGMING LIU KUAN FENG SUYUN LI DANDAN HU SIDA YANG PEIQING LI Pediatric Emergency Department Guangzhou Women and Children’s Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouChina Department of Child Health Care Guangzhou Women and Children’s Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouChina Pediatric Neurology Department Guangzhou Women and Children’s Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouChina

Background:During Enterovirus type 71(EV71)infection,the structural viral protein 1(VP1)activates endoplasmic reticulum(ER)stress associated with peripheral myelin protein 22(PMP22)accumulation and induces autophagy.However,the speciﬁc mechanism behind this process remains elusive.Methods:In this research,we used the VP1-overexpressing mouse Schwann cells(SCs)models co-transfected with a PMP22 silencing or Autocrine motility factor receptor(AMFR/gp78)overexpressing vector to explore the regulation of gp78 on PMP22 and its relationship with autophagy and apoptosis.Results:The activity of gp78 could be inﬂuenced by EV71-VP1,leading to a decrease in the ubiquitination and degradation of PMP22,resulting in PMP22 accumulation in ER.In VP1-overexpressing mouse SCs,all three ER stress sensors,including pancreatic endoplasmic reticulum kinase(PERK),activating transcription factor 6(ATF6)and inositol-requiring enzyme 1(IRE1)and the related downstream signals(C/EBP-homologous protein(CHOP)and Caspase 12)were activated,as well as the ER-resident chaperone Glucose-regulated protein 78(GRP78).In addition,VP1 upregulated the autophagy marker Microtubule-associated protein 1 light chain 3 beta(LC3B),while PMP22 silencing or gp78 overexpression reversed the phenomenon.Meanwhile,PMP22 silencing or gp78 overexpression increased proliferation of EV71-VP1-transfected mouse SCs.Conclusion:Gp78 could regulate PMP22 accumulation through ubiquitination degradation and cause ER stress and autophagy in EV71-VP1-overexpressing mouse SCs.Therefore,the gp78/PMP22/ER stress axis might emerge as a promising therapeutic target for myelin and neuronal damage induced by EV71 infection.

关键词： Enterovirus type 71 AMFR/gp78 PMP22 Autophagy Schwann cells

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Advancements of Macrophages Involvement in Pathological Progression of Colitis-Associated Colorectal Cancer and Associated Pharmacological Interventions

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Chinese Journal of Integrative Medicine 2024年第6期30卷 565-576页

作者： KE Jun-yu SONG Jin-bin LI Long HE Zhen-fan HUANG Zhuo-jian LIU Zheng-lin CHEN Gui-rong WANG Hai-yan WEN Su-ru ZHOU Heng-li MA Hui-lin DU Qun WU Yong-qiang LI Yan-wu CHEN Xin-lin School of Basic Medical Sciences Guangzhou University of Chinese MedicineGuangzhou510006China Department of Surgery II Gaozhou Hospital of Traditional Chinese Medicine Affiliated to Guangzhou University of Chinese MedicineGaozhou525200China Science and Technology Innovation center Guangzhou University of Chinese MedicineGuangzhou510405China The First Clinical Medical College of guangzhou University of Traditional Chinese Medicine Guangzhou510405China

Intestinal macrophages play crucial roles in both intestinal inflammation and immune homeostasis. They can adopt two distinct phenotypes, primarily determined by environmental cues. These phenotypes encompass the classically activated pro-inflammatory M1 phenotype, as well as the alternatively activated anti-inflammatory M2 phenotype. In regular conditions, intestinal macrophages serve to shield the gut from inflammatory harm. However, when a combination of genetic and environmental elements influences the polarization of these macrophages, it can result in an M1/M2 macrophage activation imbalance, subsequently leading to a loss of control over intestinal inflammation. This shift transforms normal inflammatory responses into pathological damage within the intestines. In patients with ulcerative colitis-associated colorectal cancer (UC-CRC), disorders related to intestinal inflammation are closely correlated with an imbalance in the polarization of intestinal M1/M2 macrophages. Therefore, reinstating the equilibrium in M1/M2 macrophage polarization could potentially serve as an effective approach to the prevention and treatment of UC-CRC. This paper aims to scrutinize the clinical evidence regarding Chinese medicine (CM) in the treatment of UC-CRC, the pivotal role of macrophage polarization in UC-CRC pathogenesis, and the potential mechanisms through which CM regulates macrophage polarization to address UC-CRC. Our objective is to offer fresh perspectives for clinical application, fundamental research, and pharmaceutical advancement in UC-CRC.

关键词： macrophage ulcerative colitis colon cancer Chinese medicine

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Aquaporin-3 promotes proliferation and inflammation in hepatocellular carcinoma

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Genes & Diseases 2024年第4期11卷 45-48页

作者： Yao Wang Yalan Wu Xueying Li Weiwei Song Fengling Zheng Xiaoying Mo Yi Luo Yun Li Song Chen Huanhuan Luo School of Basic Medical Sciences Guangzhou University of Chinese MedicineGuangzhouGuangdong 510006China The School of Health Guangzhou Vocational University of Science andTechnologyGuangzhouGuangdong 510555China Zhongshan Hospital of Traditional Chinese Medicine ZhongshanGuangdong 528401China The Journal center Guangzhou University of Chinese MedicineGuangzhouGuangdong 510006China Jiangsu Vocational College of Medicine YanchengJiangsu 224005China Science and Technology Innovation center Guangzhou University of Chinese MedicineGuangzhouGuangdong 510006China State Key Laboratory of Dampness Syndrome of Chinese Medicine GuangzhouGuangdong 510006China

Carcinogenesis is closely associated with inflammation.Studies have shown that lipopolysaccharides(LPS)can contribute to hepatocellular carcinoma(HC)development by inducing IL-6 and TNF-αproduction from the hepatic progenitor cells.1 Aquaporin 3(AQP3),a water channel protein,has recently been found to play a critical role in cancer-associated inflammation.

关键词： inflammation. hepatocellular inflammation

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The function of doping nitrogen on removing fluoride with decomposing La-MOF-NH_2:Density functional theory calculation and experiments

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Journal of Environmental Sciences 2024年第1期135卷 118-129页

作者： Hongguo Zhang KuilinWan Jia Yan Qian Li Yufang Guo Lei Huang Samuel Raj Babu Arulmani Jian Luo School of Environmental Science and Engineering Guangzhou UniversityGuangzhou 510006China guangzhou University-Linkoping University Research center on Urban Sustainable Development Guangzhou UniversityGuangzhou 510006China School of Civil and Environmental Engineering Georgia Institute of TechnologyAtlantaGA 30332USA

Fluoride is an important pollutant in wastewater,and adsorption is an effective way to remove fluoride.Because nitrogen plays an important role in adsorbent materials,computational models were developed to understand the changes in work function resulting from nitrogen doping.La-N-C-800℃,was prepared by pyrolyzing La-MOF-NH_(2)to verify the influence on the performance of removing fluoride by electrosorption.Material and electrochemical performance tests were performed to characterize La-N-C-800℃.Adsorption kinetics,adsorption thermodynamics,initial concentrations,pH,and ions competition were investigated using La-N-C-800℃for fluoride removal.In addition,density functional theory was applied to evaluate the function of nitrogen.When nitrogen atoms were added,the density of states,partial density of states,populations,and different orbits of charge were calculated to discover deep changes.Nitrogen strengthened the carbon structure and La_(2)O_(3)structure to remove fluoride.In addition,nitrogen can also act as an adsorption site in the carbon structure.These results provide design ideas for improving the performance of adsorbent materials by doping elements.

关键词： Capacitive deionization Fluoride La-MOFs Doping nitrogen

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MicroRNA-206 functions as a potential oligonucleotide therapeutics in preterm birth

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中华医学杂志(英文版) 2024年第8期137卷 1000-1002页

作者： Deng Wenfeng Chen Lina Wen Bolun Wang Xiaodi Wang Lele Yang Fan Chen Yunshan Bao Junjie Zhang Guozheng Ji Kaiyuan Liu Huishu guangzhou Key Laboratory of Maternal-Fetal Medicine Department of Obstetrics and Gynecology guangzhou Women and Children’s Medical center guangzhou Medical University guangzhou Guangdong 510623 China

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