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Clinical significance of platelet mononuclear cell aggregates in patients with sepsis and acute respiratory distress syndrome

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World Journal of Clinical Cases 2024年第5期12卷 966-972页

作者： Chong-Min Huang juan-juan Li Wei-Ke Wei Department of Intensive Medicine The Second People's Hospital of Haining CityHaining 314419Zhejiang ProvinceChina Department of Integrated Traditional Chinese and Western Medicine Qingyang HospitalHangzhou 310023Zhejiang ProvinceChina

BACKGROUND The diagnosis of sepsis combined with acute respiratory distress syndrome(ARDS)has increased owing to the enhanced awareness among medical profes-sionals and the continuous development of modern medical technologies,while early diagnosis of ARDS still lacks specific biomarkers.One of the main patho-genic mechanisms of sepsis-associated ARDS involves the actions of various pathological injuries and inflammatory factors,such as platelet and white blood cells activation,leading to an increase of surface adhesion molecules.These adhesion molecules further form platelet-white blood cell aggregates,including platelet-mononuclear cell aggregates(PMAs).PMAs has been identified as one of the markers of platelet activation,here we hypothesize that PMAs might play a potential biomarker for the early diagnosis of this complication.METHODS We selected 72 hospitalized patients diagnosed with sepsis as the study population between March 2019 and March 2022.Among them,30 patients with sepsis and ARDS formed the study group,while 42 sepsis patients without ARDS comprised the control group.After diagnosis,venous blood samples were imme-diately collected from all patients.Flow cytometry was employed to analyze the expression of PMAs,platelet neutrophil aggregates(PNAs),and platelet aggregates(PLyAs)in the serum.Additionally,the Acute Physiology and Chronic Health Evaluation(APACHE)II score was calculated for each patient,and receiver operating characteristic curves were generated to assess diagnostic value.RESULTS The study found that the levels of PNAs and PLyAs in the serum of the study group were higher than those in the control group,but the difference was not statistically significant(P>0.05).However,the expression of PMAs in the serum of the study group was significantly upregulated(P<0.05)and positively correlated with the APACHE II score(r=0.671,P<0.05).When using PMAs as a diagnostic indicator,the area under the curve value was 0.957,indicating a high diagnostic value(P<0.05).Furthermore,the optimal cutoff value

关键词： Sepsis Acute respiratory distress syndrome Platelet leukocyte aggregates Platelet mononuclear cell aggregates,Biomarker

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Early life 1000 days: opportunities for preventing adult diseases

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Chinese Medical Journal 2022年第5期135卷 516-518页

作者： juan juan Huixia Yang Department of Obstetrics and Gynecology Peking University First HospitalBeijing 100034China

With the rapid socioeconomic development, improvements in living standards, and changes in lifestyle, adult diseases, such as cardiovascular diseases, type 2 diabetes mellitus (T2DM), hypertension, obesity, and so on, are increasing dramatically over the past decades, which have caused a huge economic and health burden at both population and individual levels in China.[1] The increased burden of adult diseases has become the main public health issue, and prevention of adult diseases in China has become a formidable task during recent years. In 2016, China has put forward the concept of whole life-course health and efforts have been made on shifting the focus from treating diseases to prevention. In view of the poor effects of prevention of diseases in adulthood, it is suggested that prevention and management of adult diseases should be extended to early life, which is the critical window for physiological programming and has profound and enduring effects on the whole life-cycle health.[2,3,4] In 2018, an article named "To Prevent Cardiovascular Disease, Pay Attention to Pregnancy Complications" published in Journal of the American Medical Association (JAMA) also illustrated that pregnancy is a window to future health[5].

关键词： diseases prevention cardiovascular

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TOPK Inhibition Enhances the Sensitivity of Colorectal Cancer Cells to Radiotherapy by Reducing the DNA Damage Response

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Current Medical Science 2024年第3期44卷 545-553页

作者： Shi-gui PANG Xin ZHANG Zhao-xin LI Li-fei HE Feng CHEN Ming-long LIU Ying-ze HUANG Jian-mei MO Kong-lan LUO juan-juan XIAO Feng ZHU Department of Oncology The Affiliated Hospital of Guilin Medical UniversityGuilin541001China Cancer Research Institute The Affiliated Hospital of Guilin Medical UniversityGuilin541001China Translational Medical Center Huaihe HospitalHenan UniversityKaifeng475000China Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair The Affiliated Hospital of Guilin Medical UniversityGuilin541001China

Objective Abnormal expression of T-lymphokine-activated killer cell-originated protein kinase(TOPK)was reported to be closely related to the resistance of prostate cancer to radiotherapy and to targeted drug resistance in lung cancer.However,the role of TOPK inhibition in enhancing radiosensitivity of colorectal cancer(CRC)cells is unclear.This study aimed to evaluate the radiosensitization of TOPK knockdown in CRC cells.Methods The expression of TOPK was detected in CRC tissues by immunohistochemistry,and the effect of TOPK knockdown was detected in CRC cells by Western blotting.CCK-8 and clonogenic assays were used to detect the growth and clonogenic ability of CRC cells after TOPK knockdown combined with radiotherapy in CRC cells.Furthermore,proteomic analysis showed that the phosphorylation of TOPK downstream proteins changed after radiotherapy.DNA damage was detected by the comet assay.Changes in the DNA damage response signaling pathway were analyzed by Western blotting,and apoptosis was detected by flow cytometry.Results The expression of TOPK was significantly greater in CRC tissues at grades 2–4 than in those at grade 1.After irradiation,CRC cells with genetically silenced TOPK had shorter comet tails and reduced expression levels of DNA damage response-associated proteins,including phospho-cyclin-dependent kinase 1(p-CDK1),phospho-ataxia telangiectasia-mutated(p-ATM),poly ADP-ribose polymerase(PARP),and meiotic recombination 11 homolog 1(MRE11).Conclusions TOPK was overexpressed in patients with moderately to poorly differentiated CRC.Moreover,TOPK knockdown significantly enhanced the radiosensitivity of CRC cells by reducing the DNA damage response.

关键词： T-lymphokine-activated killer cell-originated protein kinase colorectal cancer DNA damage response radiosensitivity

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Qualitative exploration of home life experiences and care needs among elderly patients with temporary intestinal stomas

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World Journal of Gastroenterology 2024年第22期30卷 2893-2901页

作者： Si-Meng Wang Jian-Ling Jiang Rui Li juan-juan Wang Chun-Hong Gu Jia Zeng Xiao-Hui Wei Mei Chen Wuxi Medical College of Jiangnan University Jiangnan UniversityWuxi 214122Jiangsu ProvinceChina Department of Gastrointestinal Surgery Tongren Hospital Shanghai Jiao Tong University School of MedicineShanghai 200335China Department of Nursing Tong Ren Hospital Shanghai Jiao Tong University School of MedicineShanghai 200335China

BACKGROUND This study employed a phenomenological research approach within qualitative research to explore the challenges encountered by elderly individuals with temporary colostomies in managing their daily lives and care needs.Protecting the anus surgery combined with temporary colostomy has emerged as a prevalent treatment modality for low rectal cancer.However,the ileostomy is susceptible to peri-stoma skin complications,as well as fluid,electrolyte,and nutritional imbalances,posing challenges to effective management.The successful selfmanagement of patients is intricately linked to their adjustment to temporary colostomy;nonetheless,there remains a dearth of research examining the factors influencing self-care among temporary colostomy patients and the obstacles they confront.AIM To investigate the lived experiences,perceptions,and care requirements of temporary colostomy patients within their home environment,with the ultimate goal of formulating a standardized management protocol.METHODS Over the period of June to August 2023,a purposive sampling technique was utilized to select 12 patients with temporary intestinal stomas from a tertiary hospital in Shanghai,China.Employing a phenomenological research approach,a semi-structured interview guide was developed,and qualitative interviews were conducted using in-depth interview techniques.The acquired data underwent coding,analysis,organization,and summarization following Colaizzi’s seven-step method.RESULTS The findings of this study revealed that the experiences and needs of patients with temporary intestinal stomas can be delineated into four principal themes:Firstly,Temporary colostomy patients bear various burdens and concerns about the uncertainty of disease progression;secondly,patients exhibit limited self-care capabilities and face information deficits,resulting in heightened reliance on healthcare professionals;thirdly,patients demonstrate the potential for internal motivation through proactive self-adjustment;and finally,patients express a significa

关键词： Elderly Temporary intestinal stomas Life experiences Intestinal ostomy complications Qualitative study

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Prohibitin 1 inhibits cell proliferation and induces apoptosis via the p53-mediated mitochondrial pathway in vitro

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World Journal of Gastrointestinal Oncology 2024年第2期16卷 398-413页

作者： juan-juan Shi Yi-Kai Wang Mu-Qi Wang Jiang Deng Ning Gao Mei Li Ya-Ping Li Xin Zhang Xiao-Li Jia Xiong-Tao Liu Shuang-Suo Dang Wen-Jun Wang Department of Infectious Diseases The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi'an 710004Shaanxi ProvinceChina Department of Operating Room The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi'an 710004Shaanxi ProvinceChina

BACKGROUND Prohibitin 1(PHB1)has been identified as an antiproliferative protein that is highly conserved and ubiquitously expressed,and it participates in a variety of essential cellular functions,including apoptosis,cell cycle regulation,prolifera-tion,and survival.Emerging evidence indicates that PHB1 may play an important role in the progression of hepatocellular carcinoma(HCC).However,the role of PHB1 in HCC is controversial.AIM To investigate the effects of PHB1 on the proliferation and apoptosis of human HCC cells and the relevant mechanisms in vitro.METHODS HCC patients and healthy individuals were enrolled in this study according to the inclusion and exclusion criteria;then,PHB1 levels in the sera and liver tissues of these participates were determined using ELISA,RT-PCR,and immunohistoche-mistry.Human HepG2 and SMMC-7721 cells were transfected with the pEGFP-PHB1 plasmid and PHB1-specific shRNA(shRNA-PHB1)for 24-72 h.Cell prolif-eration was analysed with an MTT assay.Cell cycle progression and apoptosis were analysed using flow cytometry(FACS).The mRNA and protein expression levels of the cell cycle-related molecules p21,Cyclin A2,Cyclin E1,and CDK2 and the cell apoptosis-related molecules cytochrome C(Cyt C),p53,Bcl-2,Bax,caspase 3,and caspase 9 were measured by real-time PCR and Western blot,respectively.RESULTS Decreased levels of PHB1 were found in the sera and liver tissues of HCC patients compared to those of healthy individuals,and decreased PHB1 was positively correlated with low differentiation,TNM stage III-IV,and alpha-fetoprotein≥400μg/L.Overexpression of PHB1 significantly inhibited human HCC cell proliferation in a time-dependent manner.FACS revealed that the overexpression of PHB1 arrested HCC cells in the G0/G1 phase of the cell cycle and induced apoptosis.The proportion of cells in the G0/G1 phase was significantly increased and the proportion of cells in the S phase was decreased in HepG2 cells that were transfected with pEGFP-PHB1 compared with untreated control and empty vector-trans

关键词： Prohibitin 1 Hepatocellular carcinoma cells Apoptosis Cell cycle Mitochondrial pathway

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Human-like adrenal features in Chinese tree shrews revealed by multi-omics analysis of adrenal cell populations and steroid synthesis

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Zoological Research 2024年第3期45卷 617-632页

作者： Jing-Hang Jiang Yi-Fu Wang Jie Zheng Yi-Ming Lei Zhong-Yuan Chen Yi Guo Ya-Jie Guo Bing-Qian Guo Yu-Fang Lv Hong-Hong Wang juan-juan Xie Yi-Xuan Liu Ting-Wei Jin Bi-Qi Li Xiao-Shu Zhu Yong-Hua Jiang Zeng-Nan Mo Center for Genomic and Personalized Medicine Guangxi Collaborative Innovation Center for Genomic and Personalized MedicineGuangxi Key Laboratory for Genomic and Personalized MedicineGuangxi Medical UniversityNanningGuangxi 530021China Department of Urology First Affiliated Hospital of Guangxi Medical UniversityNanningGuangxi 530021China Reproductive Medicine Center Jingmen People’s HospitalJingChu University of Technology Affiliated Central HospitalJingmenHubei 448000China School of Computer Science and Engineering Yulin Normal UniversityYulinGuangxi 537000China Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry Guangxi Medical UniversityNanningGuangxi 530021China Department of Pathology Second Affiliated Hospital of Guangxi Medical UniversityNanningGuangxi 530007China Department of Obstetrics and Gynecology Second Affiliated Hospital of Guangxi Medical UniversityNanningGuangxi 530007China

The Chinese tree shrew(Tupaia belangeri chinensis)has emerged as a promising model for investigating adrenal steroid synthesis,but it is unclear whether the same cells produce steroid hormones and whether their production is regulated in the same way as in humans.Here,we comprehensively mapped the cell types and pathways of steroid metabolism in the adrenal gland of Chinese tree shrews using single-cell RNA sequencing,spatial transcriptome analysis,mass spectrometry,and immunohistochemistry.We compared the transcriptomes of various adrenal cell types across tree shrews,humans,macaques,and mice.Results showed that tree shrew adrenal glands expressed many of the same key enzymes for steroid synthesis as humans,including CYP11B2,CYP11B1,CYB5A,and CHGA.Biochemical analysis confirmed the production of aldosterone,cortisol,and dehydroepiandrosterone but not dehydroepiandrosterone sulfate in the tree shrew adrenal glands.Furthermore,genes in adrenal cell types in tree shrews were correlated with genetic risk factors for polycystic ovary syndrome,primary aldosteronism,hypertension,and related disorders in humans based on genome-wide association studies.Overall,this study suggests that the adrenal glands of Chinese tree shrews may consist of closely related cell populations with functional similarity to those of the human adrenal gland.Our comprehensive results(publicly available at http://***:16245/scAGMap/)should facilitate the advancement of this animal model for the investigation of adrenal gland disorders.

关键词： Tree shrew Adrenal gland Dehydroepiandrosterone Genome-wide association studies Disease model

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Exploring the Optimal Diagnostic Thresholds of Hyperglycemia During Pregnancy

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Maternal-Fetal Medicine 2023年第1期5卷 1-3页

作者： Xinyu Shu juan juan Huixia Yang Department of Obstetrics and Gynecology Peking University First HospitalBeijing 100034China Beijing Key Laboratory of Maternal Fetal Medicine of Gestational Diabetes Mellitus Beijing 100034China

Gestational diabetes mellitus(GDM)is a specific disease during pregnancy that is characterized by the onset of abnormal maternal glucose tolerance,1 which was first discovered by O’Sullivan and Mahan2 in 1964.Since then,the gradual understanding of the impact of GDM on the long-term risk of maternal diabetes and other metabolic diseases has led to modifications in the diagnostic criteria of GDM by different associations and organizations.

关键词： pregnancy diseases Sullivan

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Valley transport in Kekulé structures of graphene

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Chinese Physics B 2024年第1期33卷 44-53页

作者：王娟娟汪军 Department of Physics College of SciencesNanjing Agricultural UniversityNanjing 210095China Department of Physics Southeast UniversityNanjing 210096China

Valleytronics is an emergent discipline in condensed matter physics and offers a new way to encode and manipulate information based on the valley degree of freedom in materials. Among the various materials being studied, Kekulé distorted graphene has emerged as a promising material for valleytronics applications. Graphene can be artificially distorted to form the Kekulé structures rendering the valley-related interaction. In this work, we review the recent progress of research on Kekulé structures of graphene and focus on the modified electronic bands due to different Kekulé distortions as well as their effects on the transport properties of electrons. We systematically discuss how the valley-related interaction in the Kekulé structures was used to control and affect the valley transport including the valley generation, manipulation, and detection. This article summarizes the current challenges and prospects for further research on Kekulé distorted graphene and its potential applications in valleytronics.

关键词： graphene Y-shaped Kekulé(Y-Kek)lattice distortion structure O-Kekulé(O-Kek)structure valley current

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美国糖尿病学会2024年“妊娠期高血糖诊治指南”解读

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中华围产医学杂志 2024年第1期27卷 19-23页

作者：隽娟杨慧霞北京大学第一医院妇产科北京100034

2023年12月, 美国糖尿病学会(American Diabetes Association, ADA)基于最新的循证医学证据更新了2024年"糖尿病诊治指南"[1, 2], 并发表在Diabetes Care杂志上(更新点汇总见表1)。本文针对其中妊娠期高血糖更新的内容介绍和解读如下, ... 详细信息

2023年12月, 美国糖尿病学会(American Diabetes Association, ADA)基于最新的循证医学证据更新了2024年"糖尿病诊治指南"[1, 2], 并发表在Diabetes Care杂志上(更新点汇总见表1)。本文针对其中妊娠期高血糖更新的内容介绍和解读如下, 以期为临床实践提供参考依据。

关键词：美国糖尿病学会妊娠期高血糖循证医学证据临床实践糖尿病诊治 ADA

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Risk of gestational diabetes recurrence and the development of type 2 diabetes among women with a history of gestational diabetes and risk factors: a study among 18 clinical centers in China

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Chinese Medical Journal 2022年第6期135卷 665-671页

作者： Yumei Wei juan juan Rina Su Geng Song Xu Chen Ruiqin Shan Ying Li Shihong Cui Shangrong Fan Ling Feng Zishan You Haixia Meng Yan Cai Cuilin Zhang Huixia Yang Department of Obstetrics and Gynecology Peking University First HospitalBeijing 100034China Department of Obstetrics Tianjin Central Obstetrics and Gynecology HospitalTianjin 300199China Department of Obstetrics Jinan Maternal and Child Health HospitalJinanShandong 250000China Department of Obstetrics Dalian Maternity HospitalDalianLiaoning 116033China Department of Obstetrics and Gynecology The Third Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan 450052China Department of Obstetrics Shenzhen Peking University HospitalShenzhenGuangdong 518036China Department of Obstetrics and Gynecology Tongji Hospital Affiliated to Huazhong University of Science and TechnologyWuhanHubei 430030China Department of Obstetrics and Gynecology Suzhou Jiulong Hospital Affiliated to Shanghai Jiaotong UniversitySuzhouJiangsu 320571China Department of Obstetrics Affiliated Hospital of Inner Mongolia Medical UniversityHuhhotInner Mongolia 010050China Department of Obstetrics and Gynecology The Fourth Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiang 150001China Epidemiology Branch Division of Intramural Population Health ResearchEunice Kennedy Shriver National Institute of Child Health and Human DevelopmentNational Institutes of HealthBethesdaMD 20817USA

Background:Gestational diabetes mellitus(GDM)brings health issues for both mothers and offspring,and GDM prevention is as important as GDM management.It was shown that a history of GDM was significantly associated with a higher maternal risk for GDM recurrence.The incidence of GDM recurrence was unclear because of the incidence of second-child was low before 2016 in China.We aim to investigate the prevalence of GDM recurrence and its associated high-risk factors which may be useful for the prediction of GDM recurrence in China.Methods:A retrospective study was conducted which enrolled participants who underwent regular prenatal examination and delivered twice in the same hospital of 18 research centers.All participants were enrolled from January 2018 to October 2018,where they delivered the second baby during this period.A total of 6204 women were enrolled in this study,and 1002 women with a history of GDM were analyzed further.All participants enrolled in the study had an oral glucose tolerance test(OGTT)result at 24 to 28 weeks and were diagnosed as GDM in the first pregnancy according to the OGTT value(when any one of the following values is met or exceeded to the 75-g OGTT:0 h[fasting],≥5.10 mmol/L;1 h,≥10.00 mmol/L;and 2 h,≥8.50 mmol/L).The prevalence of GDM recurrence and development of type 2 diabetes mellitus were calculated,and its related risk factors were analyzed.Results:In 6204 participants,there are 1002 women(1002/6204,16.15%)with a history of GDM and 5202 women(5202/6204,83.85%)without a history of GDM.There are significant differences in age(32.43±4.03 years vs.33.00±3.34 years vs.32.19±3.37 years,P<0.001),pregnancy interval(4.06±1.44 years vs.3.52±1.43 years vs.3.38±1.35 years,P=0.004),prepregnancy body mass index(BMI)(27.40±4.62 kg/m^(2)vs.23.50±3.52 kg/m^(2)vs.22.55±3.47 kg/m^(2),P<0.001),history of delivered macrosomia(22.7%vs.11.0%vs.6.2%,P<0.001)among the development of diabetes mellitus(DM),recurrence of GDM,and normal women.Moreover,it seems so important in the degree of abnormal glucose

关键词： Gestational diabetes mellitus Recurrence Risk factors Multipara Primipara

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