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The current situation of semen analysis in China,based on a survey of 296 laboratories

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Asian Journal of Andrology 2024年第2期26卷 220-221页

作者： Long-Long Fu Ying Liu Xiao-Wei Wang Fang Zhou Ying Guo Wen-Hong Lu Yi-Qun Gu National health Commission Key Laboratory of Male Reproductive health Reproductive Health Research CenterNational Research Institute for Family PlanningBeijing 100081China Institute of Pediatric research Children's Hospitalof Soochow UniversitySuzhou 215025China

Dear Editor,Semen analysis is a basic test to assess male fertility and is a fundamental test in assisted reproductive *** the first publication of World health Organization(WHO)Laboratory Manual of Human Semen and Sperm-Cervical Mucus Interaction in 1980,to the publication of the WHO Manual,6th edition in 2021,these 40 years have been recognized as providing a global standard that is widely used in research and clinical laboratories *** WHO Manual,6th edition in Chinese,which we have been authorized by the WHO to translate,will be published soon.

关键词： technology. analysis translate

Pan-cancer immunogenic death analysis identifies key roles of CXCR3 and CCL18 in hepatocellular carcinoma

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Genes & Diseases 2024年第2期11卷 568-570页

作者： Jia Guo Xin Sun Guowei Pan Ce Li Xin He Xiaofang Che Zan Teng Xiujuan Qu Yunpeng Liu Bowen Yang Department of Medical Oncology Provincial Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning ProvinceLiaoning Provincial Clinical Research Center for CancerClinical Cancer Research Center of ShenyangThe First Hospital of China Medical UniversityShenyangLiaoning 110001China research center for Universal health School of Public HealthChina Medical UniversityShenyangLiaoning 110122China

Immunogenic death is a form of programmed cell death that is common in the development and progression of ***,its impact on tumor progression differs depending on the location of the ***,it also plays an important role in antitumor immunity because the process of immunogenic death can release substances that activate immunity.1 Therefore,in this study,the key mechanism of mediating immunogenic death in hepatocellular carcinoma(HCC)was found from the excavation of the immunogenic death characteristics of pan-cancer and the in-depth investigation of its effects on different tumor types(Fig.1A).

关键词： death CXCR3 immunity

NLRP3 activation in macrophages promotes acute intestinal injury in neonatal necrotizing enterocolitis

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World Journal of Pediatrics 2024年第2期20卷 153-164页

作者： Bo Shi Cheng-Jie Lyu Zhen-Kai Le Hao-Sen Ji Yi Xiao Yuan-Yuan Zhang Shou-Jiang Huang Lin-Jun Yu Qiang Shu Jin-Fa Tou Deng-Ming Lai Department of Neonatal Surgery Children’s HospitalZhejiang University School of MedicineNational Clinical Research Center for Child HealthHangzhou 310052China Department of Pulmonology Children’s HospitalZhejiang University School of MedicineNational Clinical Research Center for Child HealthHangzhou 310052China Department of Thoracic and Cardiovascular Surgery Children’s HospitalZhejiang University School of MedicineNational Clinical Research Center for Child HealthHangzhou 310052China

Background Macrophages are involved in various immune inflammatory disease *** study aimed to investigate the role and mechanism of macrophages in regulating acute intestinal injury in neonatal necrotizing enterocolitis(NEC).Methods CD68,nucleotide-binding oligomerization domain,leucine-rich repeat,and pyrin domain-containing 3(NLRP3),cysteine aspartate-specific protease-1(caspase-1),and interleukin-1β(IL-1β)in paraffin sections of intestinal tissues from NEC and control patients were detected with immunohistochemistry,immunofluorescence,and western *** pet milk,hypoxia and cold stimulation were used to establish a mouse(wild type and Nlrp3^(-/-))model of *** mouse macrophage(RAW 264.7)and rat intestinal epithelial cell-6 lines were also cultured followed by various ***,intestinal epithelial cell injuries,and IL-1β release were *** Compared to the gut“healthy”patients,the intestinal lamina propria of NEC patients had high macrophage infiltration and high NLRP3,caspase-1,and IL-1β ***,in vivo,the survival rate of Nlrp3^(-/-)NEC mice was dramatically improved,the proportion of intestinal macrophages was reduced,and intestinal injury was decreased compared to those of wild-type NEC ***3,caspase-1,and IL-1β derived from macrophages or supernatant from cocultures of macrophages and intestinal epithelial cells also caused intestinal epithelial cell *** Macrophage activation may be essential for NEC ***3/caspase-1/IL-1β cellular signals derived from macrophages may be the underlying mechanism of NEC development,and all these may be therapeutic targets for developing treatments for NEC.

关键词： Caspase-1 Interleukin-1β Macrophage Necrotizing enterocolitis NLRP3

P-aminobenzoic acid promotes retinal regeneration through activation of Ascl1a in zebrafish

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Neural Regeneration research 2024年第8期19卷 1849-1856页

作者： Meihui He Mingfang Xia Qian Yang Xingyi Chen Haibo Li Xiaobo Xia Eye center of Xiangya Hospital Central South UniversityChangshaHunan ProvinceChina Hunan Key Laboratory of Ophthalmology ChangshaHunan ProvinceChina National Clinical research center for geriatric Disorders Xiangya HospitalCentral South UniversityChangshaHunan ProvinceChina

The retina of zebrafish can regenerate completely after injury.M ultiple studies have demonstrated that metabolic alte rations occur during retinal damage;however to date no study has identified a link between metabolites and retinal regeneration of ***,we performed an unbiased metabolome sequencing in the N-methyl-D-aspartic acid-damaged retinas of zebrafish to demonstrate the metabolomic mechanism of retinal *** the differentially-ex pressed metabolites,we found a significant decrease in p-aminobenzoic acid in the N-methyl-D-aspartic acid-damaged retinas of ***,we investigated the role of p-aminobenzoic acid in retinal regeneration in adult *** rtantly,p-aminobenzoic acid activated Achaetescute complex-like 1a expression,thereby promoting Müller glia reprogramming and division,as well as Müller glia-derived progenitor cell ***,we eliminated folic acid and inflammation as downstream effectors of PABA and demonstrated that PABA had little effect on Müller glia *** together,these findings show that PABA contributes to retinal regeneration through activation of Achaetescute complex-like 1a expression in the N-methyl-Daspartic acid-damaged retinas of zebrafish.

关键词： Achaetescute complex-like 1a(Ascl1a) metabolomics Müller glia p-aminobenzoic acid(PABA) retina regeneration zebrafish

p38 MAPK inhibitor SB202190 suppresses ferroptosis in the glutamate-induced retinal excitotoxicity glaucoma model

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Neural Regeneration research 2024年第10期19卷 2299-2309页

作者： Lemeng Feng Chao Wang Cheng Zhang Wulong Zhang Weiming Zhu Ye He Zhaohua Xia Weitao Song National Clinical research center for geriatric Diseases Xiangya Hospital of Central South UniversityChangshaHunan ProvinceChina Eye center of Xiangya Hospital Central South UniversityChangshaHunan ProvinceChina Hunan Key Laboratory of Ophthalmology ChangshaHunan ProvinceChina

Glutamate excitotoxicity has been shown to play an important role in glaucoma, and glutamate can induce ferroptosis. The p38 mitogenactivated protein kinase(MAPK) pathway inhibitor SB202190 has a potential ability to suppress ferroptosis, and its downstream targets, such as p53, have been shown to be associated with ferroptosis. However, whether ferroptosis also occurs in retinal ganglion cells in response to glutamate excitotoxicity and whether inhibition of ferroptosis reduces the loss of retinal ganglion cells induced by glutamate excitotoxicity remain unclear. This study investigated ferroptosis in a glutamate-induced glaucoma rat model and explored the effects and molecular mechanisms of SB202190 on retinal ganglion cells. A glutamate-induced excitotoxicity model in R28 cells and an N-methyl-D-aspartate-induced glaucoma model in rats were used. In vitro experiments showed that glutamate induced the accumulation of iron and lipid peroxide and morphological changes of mitochondria in R28 cells, and SB202190 inhibited these changes. Glutamate induced the levels of p-p38 MAPK/p38 MAPK and SAT1 and decreased the expression levels of ferritin light chain, SLC7A11, and GPX4. SB202190 inhibited the expression of iron death-related proteins induced by glutamate. In vivo experiments showed that SB202190 attenuated N-methyl-D-aspartate-induced damage to rat retinal ganglion cells and improved visual function. These results suggest that SB202190 can inhibit ferroptosis and protect retinal ganglion cells by regulating ferritin light chain, SAT1, and SLC7A11/Gpx4 pathways and may represent a potential retina protectant.

关键词： ferroptosis glaucoma glutamate excitotoxicity p38 MAPK retinal ganglion cell SB202190

Cellular precision modulation of JAK1:tailoring therapies for allergic lung inflammation

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Signal Transduction and Targeted Therapy 2024年第7期9卷 2843-2844页

作者： Xiaocheng Yan Siegfried Ussar research Unit Adipocytes&Metabolism(ADM) Helmholtz Diabetes CenterHelmholtz Zentrum MünchenGerman Research Center for Environmental Health GmbH85764 NeuherbergGermany German center for Diabetes research(DZD) 85764 NeuherbergGermany

In a recent publication published in Cell,Tamari et *** a previously unrecognized role of JAK1 signaling in vagal sensory neurons regulating the immune response to allergic lung inflammation.1 The authors show that sensory neuromodulation could be an important therapeutic avenue for the treatment of lung *** is now well established that the number of patients suffering from allergic disorders,like those suffering from obesity and the metabolic syndrome,is rapidly increasing world-wide,accelerating the burden on individual health and healthcare ***,basic and clinical researchers urgently need to develop novel therapeutics and approaches to limit or prevent disease development or progression.

关键词： JAK1 allergic lung

CBE Clima Tool:A free and open-source web application for climate analysis tailored to sustainable building design

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Building Simulation 2024年第3期17卷 493-508页

作者： Giovanni Betti Federico Tartarini Christine Nguyen Stefano Schiavon center for the Built Environment University of California BerkeleyBerkeleyUSA Berkeley Education Alliance for research in Singapore SingaporeSingapore Heat and health research Incubator Faculty of Medicine and HealthThe University of SydneyCamperdownAustralia College of Letters and Sciences University of California BerkeleyBerkeleyUSA

Climate-responsive building design holds immense potential for enhancing comfort,energy efficiency,and environmental ***,many social,cultural,and economic obstacles might prevent the wide adoption of designing climate-adapted *** of these obstacles can be removed by enabling practitioners to easily access,visualize and analyze local climate *** CBE Clima Tool(Clima)is a free and open-source web application that offers easy access to publicly available weather files and has been created for building energy simulation and *** provides a series of interactive visualizations of the variables contained in the EnergyPlus Weather Files and several derived ones like the UTCI or the adaptive comfort *** is aimed at students,educators,and practitioners in the architecture and engineering *** its inception,Clima’s user base has exhibited robust growth,attracting over 25,000 unique users annually from across 70 *** tool is poised to revolutionize climate-adaptive building design,transcending geographical boundaries and fostering innovation in the architecture and engineering fields.

关键词： architectural design climate analysis sustainable building design web application building energy simulation open-source software

Transplantation of fibrin-thrombin encapsulated human induced neural stem cells promotes functional recovery of spinal cord injury rats through modulation of the microenvironment

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Neural Regeneration research 2024年第2期19卷 440-446页

作者： Sumei Liu Baoguo Liu Qian Li Tianqi Zheng Bochao Liu Mo Li Zhiguo Chen Cell Therapy center Beijing Institute of GeriatricsXuanwu HospitalCapital Medical UniversityNational Clinical Research Center for Geriatric Diseasesand Key Laboratory of Neurodegenerative DiseasesMinistry of EducationBeijingChina center of Neural Injury and Repair Beijing Institute for Brain DisordersBeijingChina center of Parkinson’s Disease Beijing Institute for Brain DisordersBeijingChina

Recent studies have mostly focused on engraftment of cells at the lesioned spinal cord,with the expectation that differentiated neurons facilitate *** a few studies have attempted to use transplanted cells and/or biomaterials as major modulators of the spinal cord injury ***,we aimed to investigate the role of microenvironment modulation by cell graft on functional recovery after spinal cord *** neural stem cells reprogrammed from human peripheral blood mononuclear cells,and/or thrombin plus fibrinogen,were transplanted into the lesion site of an immunosuppressed rat spinal cord injury ***,Beattie and Bresnahan score,electrophysiological function,and immunofluorescence/histological analyses showed that transplantation facilitates motor and electrophysiological function,reduces lesion volume,and promotes axonal neurofilament expression at the lesion *** of the graft and niche components revealed that although the graft only survived for a relatively short period(up to 15 days),it still had a crucial impact on the ***,induced neural stem cells and human fibrin reduced the number of infiltrated immune cells,biased microglia towards a regenerative M2 phenotype,and changed the cytokine expression profile at the lesion ***-induced changes of the microenvironment during the acute and subacute stages might have disrupted the inflammatory cascade chain reactions,which may have exerted a long-term impact on the functional recovery of spinal cord injury rats.

关键词： biomaterial fibrinogen functional recovery induced neural stem cell transplantation microenvironment microglia spinal cord injury thrombin

Subnormal Serum Liver Enzyme Levels:A Review of Pathophysiology and Clinical Significance

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Journal of Clinical and Translational Hepatology 2024年第4期12卷 428-435页

作者： Elham M.Youssef George Y.Wu Biochemistry Department National Research CenterCairoEgypt Department of Medicine Division of Gastroenterology-HepatologyUniversity of Connecticut Health CenterFarmingtonCTUSA

Subnormal levels of liver enzymes,below the lower limit of normal on local laboratory reports,can be useful *** instance,subnormal levels of aminotransferases can be observed in vitamin B6 deficiency and chronic kidney *** alkaline phosphatase levels may indicate the presence of hypophosphatasia,Wilson's disease,deficiencies of divalent ions,or *** levels of gamma glutamyl transferase may be seen in cases of acute intrahepatic cholestasis,the use of certain medications,and in bone ***,subnormal levels of 5'-nucleotidase have been reported in lead poisoning and nonspherocytic hemolytic *** aim of this review is to bring attention to the fact that subnormal levels of these enzymes should not be ignored as they may indicate pathological conditions and provide a means of early diagnosis.

关键词： Transaminases Vitamin B6 Celiac disease Renal insufficiency Hepatolenticular Degeneration Crohn disease Malnutrition Clofibrate Bone diseases Lead poisoning Anemia Hemolytic