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miR-30a-5p/PHTF2 axis regulates the tumorigenesis and metastasis of lung adenocarcinoma

BIOCELL 2024年第4期48卷 581-590页

作者： LIJUAN ZHANG QINGYIN MENG LI ZHUANG QUAN GONG XIANDA HUANG XUEQIN LI SHIJUAN LI GUOQIN WANG XICAI WANG Department of Rehabilitation and Palliative Medicine The Third Affiliated Hospital of Kunming Medical UniversityYunnan Cancer HospitalKunmingChina Department of Pathology The Third Affiliated Hospital of Kunming Medical UniversityYunnan Cancer HospitalKunmingChina Emergency Department(Outpatient Chemotherapy Center) The Third Affiliated Hospital of Kunming Medical UniversityYunnan Cancer HospitalKunmingChina Department of Cancer BioTreatment Center The Third Affiliated Hospital of Kunming Medical UniversityYunnan Cancer HospitalKunmingChina Department of Cancer Institute The Third Affiliated Hospital of Kunming Medical UniversityYunnan Cancer HospitalKunmingChina

Background:Lung adenocarcinoma is a very pervasive histological form of lung cancers,and inhibiting metastasis is crucial for effective *** this investigation,we explored the functional interaction of miR-30a-5p and the putative transcription factor 2 of the homeodomain(PHTF2)in dictating the aggressiveness and metastasis of lung ***:We collected clinical samples to evaluate the expression patterns of miR-30a-5p and PHTF2 in lung adenocarcinoma along with normal *** experiments including cell count kit(CCK)-8 growth assay,apoptosis analysis,migration and invasion examinations were performed to assess the aggressiveness of lung adenocarcinoma ***,we examined tumorigenesis and metastasis in a nude mouse ***:MiR-30a-5p exhibited downregulation pattern in lung adenocarcinoma *** of miR-30a-5p mimic in lung adenocarcinoma cells resulted in the suppression of malignant ***,the administration of miR-30a-5p mimic also curbed tumorigenesis and metastasis of lung adenocarcinoma cells in animal ***,PHTF2 was found to be a molecular target of *** PHTF2 counteracted the tumor-suppressive effect of the miR-30a-5p ***:miR-30a-5p functions as a tumor-suppressive molecule while PHTF2 acts as an oncogenic factor in the development and metastasis of lung ***,targeting miR-30a-5p and PHTF2 could be developed into a promising therapeutic approach for inhibiting metastasis in lung adenocarcinoma.

关键词： Lung cancer Malignant phenotype tumor formation tumor suppressor Oncogene

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Loss of heterozygosity for chromosomes 16q in Wilms tumors predicts outcomes:A meta-analysis

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 2159-2167页

作者： Yuan-Hua Song Wen-Ling Li Zhen Yang Yan Gao Zhi-Ping Feng Department of Oncology Kunming Children's HospitalKunming 650103Yunnan ProvinceChina Department of Nuclear Medicine The Third Affiliated Hospital of Kunming Medical University(Yunnan Cancer Hospital)Kunming 650118Yunnan ProvinceChina

BACKGROUND The research findings suggest that the prognosis of children with Wilms tumor(WT)is affected by various *** scholars have indicated that loss of heterozygosity(LOH)on chromosome 16q is associated with a poor prognosis in patients with *** To further elucidate this relationship,we conducted a *** This meta-analysis was registered in INPLASY(INPLASY2023100060).We systematically searched databases including Embase,PubMed,Web of Science,Cochrane,and Google Scholar up to May 31,2020,for randomized trials reporting any intrapartum fetal surveillance *** meta-analysis was performed within a frequentist framework,and the quality and network inconsistency of trials were *** ratios and 95%CIs were calculated to report the relationship between event-free survival and 16q LOH in patients with *** Eleven cohort studies were included in this meta-analysis to estimate the relationship between event-free survival and 16q LOH in patients with WT(I^(2)=25%,P<0.001).As expected,16q LOH can serve as an effective predictor of eventfree survival in patients with WT(risk ratio=1.95,95%CI:1.52–2.49,P<0.001).CONCLUSION In pediatric patients with WT,there exists a partial correlation between 16q LOH and an unfavorable treatment *** detection of 16q chromosome LOH warrants increased attention to the patient’s prognosis.

关键词： Loss of heterozygosity Wilms tumor Survival time Chromosomes 16q

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Identification of tumor-suppressor genes in lung squamous cell carcinoma through integrated bioinformatics analyses

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Oncology Research 2024年第1期32卷 187-197页

作者： HENG LI YOUMING LEI GAOFENG LI YUNCHAO HUANG The 2nd Department of Thoracic Surgery The Third Affiliated Hospital of Kunming Medical UniversityYunnan Tumor HospitalKunming650118China The 1st Department of Thoracic Surgery The Third Affiliated Hospital of Kunming Medical UniversityYunnan Tumor HospitalKunming650118China Department of Geriatric Thoracic Surgery The First Affiliated Hospital of Kunming Medical UniversityKunming650032China

Lung cancer is a prevalent malignancy,and fatalities of the disease exceed 400,000 cases *** squamous cell carcinoma(LUSC)has been recognized as the most common pathological form of lung *** comprehensive understanding of molecular features related to LUSC progression has great significance in LUSC prognosis assessment and clinical *** this study,we aim to identify a panel of signature genes closely associated with LUSC,which can provide novel insights into the progression of *** expression profiles were retrieved from public resources including gene expression omnibus(GEO)and the cancer genome atlas(TCGA)*** expressed genes(DEGs)between LUSC specimens and normal lung tissues were identified by bioinformatics analyses.A total of 66 DEGs were identified based on two cohorts of *** plugin of Cytoscape software was utilized for the further analyses of the top 10 candidate hub genes including OGN,ABI3BP,MAMDC2,FGF7,FAM107A,SPARCL1,DCN,COL14A1,and MFAP4 and CHRDL1,which showed significant downregulation in *** LUSC cell lines were used to validate the functions of CHRDL1 and FAM107A through overexpression ***,our data revealed novel candidate tumor-suppressor genes in LUSC,suggesting previously unappreciated mechanisms in the progression of LUSC.

关键词： LUSC DEGs WGCNA PPI network tumor-suppressor

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Changes in macrophage infiltration and podocyte injury in lupus nephritis patients with repeated renal biopsy: Report of three cases

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World Journal of Clinical Cases 2024年第1期12卷 188-195页

作者： Shi-Yuan Liu Hao Chen Li-Jia He Chun-Kai Huang Pu Wang Zhang-Ru Rui Jue Wu Yang Yuan Yue Zhang Wen-Ju Wang Xiao-Dan Wang Central Laboratory Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan ProvinceYan'an Hospital Affiliated to Kunming Medical UniversityKunming 650051Yunnan ProvinceChina Department of Nephropathy Yan'an Hospital Affiliated to Kunming Medical UniversityKunming 650051Yunnan ProvinceChina

BACKGROUND In this study,we retrospectively analysed macrophage infiltration and podocyte injury in three patients with diffuse proliferative lupus nephritis(LN)who un-derwent repeated renal *** SUMMARY Clinical data of three diffuse proliferative LN patients with different pathological characteristics(case 1 was LN IV-G(A),case 2 was LN IV-G(A)+V,and case 3 was LN IV-G(A)+thrombotic microangiopathy)were *** patients underwent repeated renal biopsies 6 mo later,and renal biopsy specimens were *** infiltration was assessed by CD68 expression detected by immunohistochemical staining,and an immunofluorescence assay was used to detect podocin expression to assess podocyte *** treatment,Case 1 changed to LN III-(A),Case 2 remained as type V LN lesions,and Case 3,which changed to LN IV-S(A),had the worst *** observed reduced macro-phage infiltration after ***,two of the patients with active lesions after treatment still showed macrophage infiltration in the renal *** treatment,the three patients showed discontinuous expression of ***,the integrity of podocin was restored after treatment in Case *** It may be possible to reverse podocyte damage and decrease the infiltrating ma-crophages in LN patients through effective treatment.

关键词： Lupus nephritis Macrophage Podocyte Repeat renal biopsy Thrombotic microangiopathy Case report

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Ocular surface changes in moderate-to-severe acne vulgaris

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International Journal of Ophthalmology(English edition) 2024年第6期17卷 1049-1057页

作者： Ci-Yi Pan Dong-Jie Sun Han-Ling Li Li Ma Min Zhang Song-Yuan Tang Hui Zhang Department of Ophthalmology First Affiliated Hospital of Kunming Medical UniversityKunming 650032Yunnan ProvinceChina Department of Dermatology First Affiliated Hospital of Kunming Medical UniversityKunming 650032Yunnan ProvinceChina Department of Stomatology the First People’s Hospital of Yunnan ProvinceKunming 650100Yunnan ProvinceChina Institute of Health Studies School of Public HealthKunming Medical UniversityKunming 650500Yunnan ProvinceChina

AIM:To investigate ocular surface disorders and tear function changes in patients with acne vulgaris and explore the potential relationship between acne vulgaris and dry ***:This cross-sectional study included right eyes of 53 patients with acne vulgaris and 54 healthy *** participants completed the Ocular Surface Disease Index(OSDI)*** following ocular surface-related parameters were measured:tear meniscus height(TMH),noninvasive tear breakup time(NIBUT),Schirmer I test(SIT),lipid layer thickness(LLT)score of the tear film,meibum score,meibomian gland orifice obstruction score,the ratio of meibomian gland loss,conjunctival hyperemia score,and corneal fluorescein staining(CFS)***:The stability of the tear film decreased in acne vulgaris *** the acne group,the TMH and NIBUT were lower,whereas the OSDI,meibum score,meibomian gland orifice obstruction score,ratio of meibomian gland loss,and conjunctival hyperemia score were higher compared with controls(P0.05).In two dry eye groups,the TMH,NIBUT,and LLT score were lower in the acne with dry eye(acne-DE)group,and the meibum score,meibomian gland orifice obstruction score,ratio of meibomian gland loss and conjunctival hyperemia score in the acne-DE group were higher(P0.05).CONCLUSION:Patients with moderate-to-severe acne vulgaris are more likely to experience dry eye than those without acne *** tear film stability and meibomian gland structure dysfunction are more pronounced in patients with moderate-to-severe acne and dry eye.

关键词： acne vulgaris meibomian gland dysfunction dry eye tear film

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Thoracic spinal cord injury and paraplegia caused by intradural cement leakage after percutaneous kyphoplasty: A case report

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World Journal of Clinical Cases 2024年第10期12卷 1837-1843页

作者： Zi Mao Zhi-Hong Xiong Jun-Feng Li Department of Pain Management The Affiliated Hospital of Yunnan UniversityKunming 650000Yunnan ProvinceChina Department of medical Administration The Affiliated Hospital of Yunnan UniversityKunming 650000Yunnan ProvinceChina

BACKGROUND Percutaneous kyphoplasty(PKP)is a pivotal intervention for osteoporotic fractures,pathological vertebral compression fractures,and vertebral bone *** its efficacy,the procedure presents challenges,notably complications arising from intradural cement *** and accurate diagnosis,coupled with emergent intervention is imperative to improve patient *** case report illuminates the intricacies and potential complications associated with PKP,emphasizing the critical need for vigilant monitoring,prompt diagnosis,and immediate intervention to mitigate adverse *** SUMMARY A 58-year-old male patient,experiencing a T7 osteoporosis-related pathological compression fracture,underwent PKP at a local *** weeks postprocedure,the patient developed paraplegic and dysuric symptoms,necessitating emergency decompression *** improvement was achieved,marked by the restoration of muscle strength,sensation,and *** PKP Intradural cement leakage following PKP is unusual and potentially *** imaging examinations,urgent evaluation,and the decompression surgery are essential,which help alleviate symptoms associated with spinal damage,markedly improving the overall prognosis.

关键词： Percutaneous kyphoplasty Intradural cement leakage Complication Decompression surgery Case report

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Genetic and immunologic characteristics of colorectal cancer patients with KRAS mutations and predictive significance of tumor immune microenvironment in adjuvant chemotherapy

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Genes & Diseases 2024年第3期11卷 43-46页

作者： Zhengqi Wen Wenliang Li Chengmin Shi Junrui Ma Sihui Zhao Ruize Zhou Xihong Liu Rong Yang Zhiping Zhang Hushan Zhang Bo Li Department of Oncology The First Affiliated Hospital of Kunming Medical UniversityKunmingYunnan 650032China The third Affliated hospital of kunming medical university(yunnan Cancer Center) KunmingYunnan 650021China Gastrointestinal and Hernia Surgery The First Affiliated Hospital of Kunming Medical UniversityKunmingYunnan 650032China School of Nursing Yunnan University of Chinese MedicineKunmingYunnan 650022China Department of General Surgery The First People's Hospital of Yunnan ProvinceKunmingYunnan 650000China Department of General Surgery The Affiliated Hospital of Yunnan UniversityYunnan 650011China medical Department 3D Medicines Inc.Shanghai 201114China Zhaotong Health Vocational College ZhaotongYunnan 657000China

Colorectal cancer(CRC)is one of the most common cancers around the world,and it is one of the leading causes of cancer-related death.1 Although anti-EGFR therapy and immune checkpoint inhibitor(ICl)therapy are becoming more and more important for colorectal therapy,however,clinical outcomes of current treatments for metastatic CRC,especially with ICls,have been shown to be affected by the status of ***,KRAS mutation status detection has become a very important diagnostic factor for managing metastatic CRC patients.

关键词： KRAS colorectal patients

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Classification of anatomical morphology of cystic duct and its association with gallstone

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World Journal of Gastrointestinal Surgery 2024年第2期16卷 307-317页

作者： Jia-Hai Zhu Song-Ling Zhao Qiang Kang Ya Zhu Li-Xin Liu Hao Zou Department of Hepatobiliary Pancreatic Surgery The Second Affiliated Hospital of Kunming Medical UniversityKunming 650106Yunnan ProvinceChina Department of Hepatobiliary Surgery The Second Affiliated HospitalKunming Medical UniversityKunming 650106Yunnan ProvinceChina

BACKGROUND Gallstones are common lesions that often require surgical ***-scopic cholecystectomy is the treatment of choice for symptomatic ***,the anatomical morphology of the cystic duct(CD),needs to be accurately recognized,especially when anatomical variations occur in the CD,which is otherwise prone to bile duct ***,at present,there is no optimal classification system for CD morphology applicable in clinical practice,and the relationship between anatomical variations in CDs and gallstones remains to be *** To create a more comprehensive clinically applicable classification of the morphology of CD and to explore the correlations between anatomic variants of CD and *** A total of 300 patients were retrospectively enrolled from October 2021 to January *** patients were divided into two groups:The gallstone group and the nongallstone *** clinical data and anatomical data of the CD based on magnetic resonance cholangiopancreatography(MRCP)were collected and analyzed to propose a morphological classification system of the CD and to explore its relationship with *** analysis was performed using logistic regression analyses to identify the independent risk factors using variables that were significant in the univariate *** Of the 300 patients enrolled in this study,200(66.7%)had *** mean age was 48.10±13.30 years,142(47.3%)were male,and 158(52.7%)were female.A total of 55.7%of the patients had a body mass index(BMI)≥24 kg/*** on the MRCP,the CD anatomical typology is divided into four types:Type I:Linear,type II:n-shaped,type III:S-shaped,and type IV:*** analysis revealed differences between the gallstone and nongallstone groups in relation to sex,BMI,cholesterol,triglycerides,morphology of CD,site of CD insertion into the extrahepatic bile duct,length of CD,and angle between the common hepatic duct and *** to

关键词： Cystic duct Gallstone Classification Anatomy Magnetic resonance cholangiopancreatography Risk factor

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HepG2.2.15-derived exosomes facilitate the activation and fibrosis of hepatic stellate cells

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World Journal of Gastroenterology 2024年第19期30卷 2553-2563页

作者： Yang Gao Li Li Sheng-Ning Zhang Yuan-Yi Mang Xi-Bing Zhang Shi-Ming Feng Department of Hepatobiliary Pancreatic and Vascular Surgery The Affiliated Calmette Hospital of Kunming Medical University and The First Hospital of KunmingKunming 650011Yunnan ProvinceChina

BACKGROUND The role of exosomes derived from HepG2.2.15 cells,which express hepatitis B virus(HBV)-related proteins,in triggering the activation of LX2 liver stellate cells and promoting liver fibrosis and cell proliferation remains *** focus was on comprehending the relationship and influence of differentially expressed microRNAs(DE-miRNAs)within these *** To elucidate the effect of exosomes derived from HepG2.2.15 cells on the activation of hepatic stellate cell(HSC)LX2 and the progression of liver *** Exosomes from HepG2.2.15 cells,which express HBV-related proteins,were isolated from parental HepG2 and WRL68 *** blotting was used to confirm the presence of the exosomal marker protein *** activation of HSCs was assessed using oil red staining,whereas DiI staining facilitated the observation of exosomal uptake by LX2 ***,we evaluated LX2 cell proliferation and fibrosis marker expression using 5-ethynyl-2′-deoxyuracil staining and western blotting,***-miRNAs were analyzed using *** Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathways were used to annotate the target genes of *** Exosomes from HepG2.2.15 cells were found to induced activation and enhanced proliferation and fibrosis in LX2 cells.A total of 27 miRNAs were differentially expressed in exosomes from HepG2.2.15 *** analysis indicated that these DE-miRNA target genes were associated with cell differentiation,intracellular signal transduction,negative regulation of apoptosis,extracellular exosomes,and RNA *** pathway analysis highlighted ubiquitin-mediated proteolysis,the MAPK signaling pathway,viral carcinogenesis,and the toll-like receptor signaling pathway,among others,as enriched in these *** These findings suggest that exosomes from HepG2.2.15 cells play a substantial role in the activation,proliferation,and fibrosis of LX2 cells and that DE-miRNAs within these exos

关键词： Hepatic stellate cells Liver fibrosis Exosomes Small RNA sequencing HepG2.2.15

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Effect of the extrahepatic bile duct anatomy on choledocholithiasis and its clinical significance

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World Journal of Gastrointestinal Surgery 2024年第5期16卷 1363-1370页

作者： Zheng Cao Jia Zhou Li Wei Hai-Yu He Jun Li Department of Gastroenterology The Second Affiliated Hospital of Kunming Medical UniversityKunming 650000Yunnan ProvinceChina

BACKGROUND A comprehensive understanding of the extrahepatic bile duct anatomy is vital to guide surgical procedures and perform endoscopic retrograde *** irregularities within the extrahepatic bile duct may increase susceptibility to bile duct *** To investigate the anatomical risk factors associated with extrahepatic bile ducts in patients diagnosed with choledocholithiasis,with a specific focus on preventing stone recurrence after surgical intervention and endoscopic *** We retrospectively analyzed the medical records of 124 patients without choledocholithiasis and 108 with confirmed choledocholithiasis who underwent magnetic resonance cholangiopancreatography examinations at our center between January 2022 and October *** regression analyses were conducted to identify the anatomical risk factors influencing the incidence of common bile duct *** Multivariate logistic regression analysis revealed that several factors independently contributed to choledocholithiasis *** independent risk factors for choledocholithiasis were diameter of the common hepatic[adjusted odds ratio(aOR)=1.43,95%confidence interval(CI):1.07-1.92,adjusted P value=0.016]and common bile(aOR=1.68,95%CI:1.27-2.23,adjusted P value<0.001)ducts,length of the common hepatic duct(aOR=0.92,95%CI:0.84-0.99,adjusted P value=0.034),and angle of the common bile duct(aOR=0.92,95%CI:0.89–0.95,adjusted P value<0.001).The anatomical features of the extrahepatic bile duct were directly associated with choledocholithiasis *** risk factors include an enlarged diameter of the common hepatic and bile ducts,a shorter length of the common hepatic duct,and a reduced angle of the common bile duct.

关键词： Bile ducts Extrahepatic Choledocholithiasis Cholangiopancreatography Magnetic resonance Cholangiopancreatography Endoscopic retrograde

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