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Prostatic anatomical parameters correlate with clinical characteristics suggestive of benign prostatic hyperplasia

Asian Journal of Andrology 2021年第1期23卷 64-68页

作者： Ye Tian Hong-Ming Liu Bing yang xiu-shu yang Zhao-Lin Sun Fa Sun Guang-Heng Luo shu-Jie Xia Department of Urology Shanghai General HospitalShanghai Jiaotong UniversityShanghai 200080China Department of Urology Guizhou Provincial People's HospitalGuiyang 550002China.

We conducted the present study to assess the correlation of the prostatic anatomical parameters,especially the ratio of peripheral zone thickness and transitional zone thickness,with clinical and uroflowmetry characteristics suggestive of benign prostate hyperplasia(BPH).A total of 468 consecutive patients with a detailed medical history were *** patients were evaluated by scoring subjective symptoms with the International Prostate Symptom Score(IPSS)and quality of life(QoL).The prostatic anatomical parameters were measured using transrectal ultrasonography,and postvoid residual urine and maximum flow rate(Q_(max))values were also *** correlation analysis revealed that both total prostate volume(TPV;r=0.160,P0.05).Peripheral to transitional zone index(PTI)was found negatively correlated with total IPSS(r=-0.113,P=0.024),storage IPSS(r=-0.103,P=0.041),and voiding IPSS(r=-0.123,P-0.014).As regards the uroflowmetry characteristics,PTI(r=0.157,P=0.007)was indicated to be positively correlated with Q_(max)and negatively correlated with TZI(r=-0.119,P=0.042)and TZT(r=-0.118,P=0.045),but not correlated with TPV,TZV,or peripheral zone thickness(PZT)(all P>0.05).Postvoid residual urine(PVR)had not correlated with all the prostatic anatomical variables(all P>0.05).This is the first study that formally proposed the concept of PTI,which is an easy-to-measure prostate anatomical parameter which significantly correlates with total IPSS,storage IPSS,voiding IPSS,and Q_(max),suggesting that PTI would be useful in evaluating and managing men with lower urinary tract symptoms(LUTS)/***,well-designed studies are mandatory to verify the clinical utility of PTI.

关键词： benign prostatic hyperplasia lower urinary tract symptoms peripheral zone thickness transrectal ultrasound

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Re-epithelialization resulted from prostate basal cells in canine prostatic urethra may represent the ideal healing method after two-micron laser resection of the prostate

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Asian Journal of Andrology 2015年第5期17卷 831-838,I0010-I0011页

作者： Ying Cao Guang-Heng Luo Lei Luo xiu-shu yang Jian-Xin Hu Hua Shi Ping Huang Zhao-Lin Sun shu-Jie Xia Department of Urology Shanghai First People's Hospital Shanghai Jiaotong University Shanghai 200080 China Department of Urology Guizhou Provincial People's Hospital Guiyang 550002 China Department of Pathology Guizhou Provincial People's Hospital Guiyang 550002 China

The purpose of this study is to characterize the re-epithelialization of wound healing in canine prostatic urethra and to evaluate the effect of this re-epithelialization way after two-micron laser resection of the prostate （TmLRP）. TmLRP and partial bladder neck mucosa were performed in 15 healthy adult male crossbred canines. Wound specimens were harvested at 3 days, and 1, 2, 3, and 4 weeks after operation, respectively. The histopathologic characteristics were observed by hematoxylin and eosin staining. The expression of cytokeratin 14 （CK14）, CK5, CK18, synaptophysin （Syn）, chromogranin A （CgA）, uroplakin, transforming growth factor-β1 （TGF-β1）, and TGF-β type Ⅱ receptor in prostatic urethra wound were examined by immunohistochemistry and real-time polymerase chain reaction, respectively. Van Gieson staining was performed to determine the expression of collagen fibers in prostatic urethra and bladder neck would. The results showed that the re-epithelialization of the prostatic urethra resulted from the mobilization of proliferating epithelial cells from residual prostate tissue under the wound. The proliferating cells expressed CK14, CK5, but not CK18, Syn, and CgA and re-epithelialize expressed uroplakin since 3 weeks. There were enhanced TGF-β1 and TGF-β type Ⅱ receptor expression in proliferating cells and regenerated cells, which correlated with specific phases of re-epithelialization. Compared with the re-epithelialization of the bladder neck, re-epithelialization of canine prostatic urethra was faster, and the expression of collagen fibers was relatively low. In conclusion, re-epithelialization in canine prostatic urethra resulted from prostate basal cells after TmLRP and this re-epithelialization way may represent the ideal healing method from anatomic repair to functional recovery after injury.

关键词： basal cell benign prostate hyperplasia re-epithelialization two-micron laser wound healing

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Re-epithelialization of the prostatic urethra after two-micron laser resection of the prostate

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Asian Journal of Andrology 2016年第1期18卷 151-153页

作者： Guang-Heng Luo Hong Liu Lei Luo Jun Liu xiu-shu yang Yan-Dong Wang Zhao-Lin Sun shu-Jie Xia Department of Urology Surgery Guizhou Province People's Hospital Guiyang China Department of Urology Surgery Institute of Urology Shanghai JiaoTong University Shanghai China Department of Physiology North Sichuan Medical College Nanchong China Department of Research and Education Guizhou Province People's Hospital Guiyang China

Dear Editor, Benign prostatic hyperplasia （BPH） is the most common genitourinary tract disease in elderly *** two-micron laser combines the advantages of efficient resection and rapid vaporization, resulting in high-performance resection and excellent hemostasis in resection of the prostate adenoma, which makes it an effective and promising modality in BPH treatment. However, severe edema and necrosis of the remaining prostatic tissue after vaporesection of the prostatic adenoma may cause severe irritative and/or obstructive symptoms and may even result in the need for a second operation. Rapid wound re-epithelialization in the prostatic urethra can, however, reduce the incidence of postoperative complications after transurethral resection of the prostate （TURP）.

关键词： STEM-CELLS

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Ureteroscopic holmium laser to transect the greater omentum to remove an abdominal drain:Four case reports

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World Journal of Clinical Cases 2021年第31期9卷 9584-9591页

作者： Hong-Ming Liu Guang-Heng Luo Xiao-Fei yang Zhu-Gang Chu Tian Ye Zhi-Yong Su Li Kai xiu-shu yang Zhen Wang Department of Urology Guizhou Provincial People’s HospitalGuiyang 550002Guizhou ProvinceChina Department of Urology The Affiliated Hospital of Guizhou Medical UniversityGuiyang 550000Guizhou ProvinceChina Department of General Surgery Guizhou Provincial People’s HospitalGuiyang 550002Guizhou ProvinceChina

BACKGROUND Drainage tube removal is difficult when the greater omentum becomes incarcerated in the drainage tube through the side ***,known removal methods are either ineffective or will cause additional damage to the patient in a secondary *** and the holmium laser have been used in various surgical techniques in urology,and in theory,they are expected to be a good strategy for solving the problem of tissue *** SUMMARY Four patients diagnosed with difficult removal of an abdominal drainage tube following abdominal surgery are *** patients underwent surgery to remove the incarcerated greater omentum in the drainage tube using a holmium laser and a ureteroscope,and a new 16-F drain was then placed in the abdominal or pelvic *** efficacy of this technique was evaluated by intraoperative conditions,success rate,and operating time;safety was evaluated by perioperative conditions and the probability of postoperative *** four operations went smoothly,and the drains were successfully removed in all *** average operating time was 24.5 ***,the average irrigation volume was 892.0 mL,the average drainage volume was 638.5 mL,and no bleeding or damage to surrounding tissues was ***,the average drainage volume was 32.8 mL and the new drains were removed within 36 *** patients were able to get out of bed and move around within 12 *** visual analogue pain scores were all below *** average follow-up duration was 12.5 mo and no complications such as fever or bleeding were *** Ureteroscopic holmium laser surgery is an effective,safe and minimally invasive technique for removing drains where the greater omentum is incarcerated in the abdominal drain.

关键词： Ureteroscope Holmium laser Drainage Greater omentum Complication of abdominal surgery Case report

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Changes in the Non-targeted Metabolomic Profile of Three-year-old Toddlers with Elevated Exposure to Polycyclic Aromatic Hydrocarbons

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Biomedical and Environmental Sciences 2024年第5期37卷 479-493页

作者： LI yang LIN Dan ZHANG xiu Qin JU Guang xiu SU Ya ZHANG Qian DUAN Hai Ping YU Wei Sen WANG Bing Ling PANG shu Tao Department of Epidemiology and Health Statistics School of Public HealthQingdao UniversityQingdao 266021ShandongChina Department of Environmental Health Qingdao Municipal Center for Disease Control and PreventionQingdao Institute of Preventive MedicineQingdao 266033ShandongChina Physicochemical Laboratory Qingdao Municipal Center for Disease Control and PreventionQingdao Institute of Preventive MedicineQingdao 266033ShandongChina Section of Child Health Care Huangdao Maternity and Child Health Care Hospital of QingdaoQingdao 266499ShandongChina Qingdao Blood Center Qingdao 266071ShandongChina

Objective To investigate changes in the urinary metabolite profiles of children exposed to polycyclic aromatic hydrocarbons(PAHs)during critical brain development and explore their potential link with the intestinal *** Liquid chromatography-tandem mass spectrometry was used to determine ten hydroxyl metabolites of PAHs(OH-PAHs)in 36-month-old ***,37 children were categorized into low-and high-exposure groups based on the sum of the ten ***-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry was used to identify non-targeted metabolites in the urine ***,fecal flora abundance was assessed by 16S rRNA gene sequencing using Illumina *** The concentrations of 21 metabolites were significantly higher in the high exposure group than in the low exposure group(variable importance for projection>1,P<0.05).Most of these metabolites were positively correlated with the hydroxyl metabolites of naphthalene,fluorine,and phenanthrene(r=0.336–0.531).The identified differential metabolites primarily belonged to pathways associated with inflammation or proinflammatory states,including amino acid,lipid,and nucleotide ***,these distinct metabolites were significantly associated with specific intestinal flora abundances(r=0.34–0.55),which were mainly involved in *** Higher PAH exposure in young children affected metabolic homeostasis,particularly that of certain gut microbiota-derived *** investigation is needed to explore the potential influence of PAHs on the gut microbiota and their possible association with neurodevelopmental outcomes.

关键词： Child Gut microbiota Non-targeted metabolomics Polycyclic aromatic hydrocarbons Urinary metabolite profile

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Surgical approaches to correct corneal astigmatism at time of cataract surgery: a mini-review

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International Journal of Ophthalmology(English edition) 2024年第7期17卷 1370-1374页

作者： Xiao-Lei Yin Zhi-yang Ji xiu-Xin Li Xue-Mei Liang shu-Xing Ji Department of Ophthalmology the 305 Hospital of PLABeijing 100017China Department of Ophthalmology Daping HospitalArmy Medical UniversityChongqing 400042China Department of Medical Administration the 305 Hospital of PLABeijing 100017China

Among refractive errors,astigmatism is the most common optical aberration,where refraction changes in different meridians of the *** causes blurred vision at any distance and includes corneal,lenticular,and retinal *** surgery used to cause a progressive increase in the pre-exisiting corneal astigmatism because of creating a surgically induced astigmatism,for example,a large size surgery *** development of surgical techniques during last decades has made cataract surgery interchange to treat preoperative corneal astigmatism at time of ***,three surgical approaches can be *** placing a sutureless clear corneal incision on the steep meridian of the cornea,a preoperative corneal astigmatism less than 1.0 D can be *** or paired peripheral corneal relaxing incisions(PCRIs)provide 1.0-3.0 D corneal astigmatism *** are typically used for treating 1.0-1.5 D of regular corneal astigmatism,if more than 2.0 D,the risk of overcorrection and irregular astigmatism is *** toric intraocular lenses(IOLs)are unavailable in markets,PCRIs are still a reasonable option for patients with up to 3.0 D of pre-existing corneal *** IOLs implantation can correct 1.0-4.5 D of corneal *** IOLs are approved to correct a high degree of corneal astigmatism with cylinder power up to 12.0 *** approaches can be used alone or in combination.

关键词： cornea astigmatism cataract surgery peripheral corneal relaxing incisions toric intraocular lens

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Comparative studies on Fenton-like reactions catalyzed by Fe_(3)O_(4) loaded inside and outside halloysite nanotubes for the removal of organic pollutants

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Frontiers of Materials Science 2024年第1期18卷 15-28页

作者： yang Li Jia-Qi Zhou Huan-Yan Xu Li-Min Dong Mao-Chang Cao Lian-Wei Shan Li-Guo Jin xiu-Lan He shu-Yan Qi Heilongjiang Provincial Key Laboratory of CO_(2) Resource Utilization and Energy Catalytic Materials School of Materials Science and Chemical EngineeringHarbin University of Science and TechnologyHarbin 150040China

In this work,Fe_(3)O_(4) nanoparticles(NPs)loaded inside and outside halloysite nanotubes(HNTs)were prepared and developed as the heterogeneous Fenton-like catalysts for the removal of representative organic *** results indicated that the samples with Fe_(3)O_(4) NPs loaded outside the HNTs lumen(Fe_(3)O_(4)/HNTs)and inside the HNTs lumen(Fe_(3)O_(4)@HNTs)were successfully *** samples had typical magnetic hysteresis loops,while Fe_(3)O_(4)@HNTs exhibited higher magnetization *** comparative experiments showed that Fe_(3)O_(4)@HNTs had better Fenton-like catalytic ability than that of Fe_(3)O_(4)/HNTs in the degradation of various organic *** Rhodamine B(RhB)as an example,the adsorption thermodynamics and kinetics of RhB onto Fe_(3)O_(4)/HNTs and Fe_(3)O_(4)@HNTs were also *** comparative results demonstrated that the adsorption ability of Fe_(3)O_(4)/HNTs was better than that of Fe_(3)O_(4)@***,the dissolved concentration of Fe^(2+)and production amount of hydroxyl radical(·OH)in the Fe_(3)O_(4)@HNTs-H_(2)O_(2) system were significantly higher than those in the Fe_(3)O_(4)/HNTs-H_(2)O_(2) *** on aforementioned comparison,the nano-confinement effect in the Fe_(3)O_(4)@HNTs-H_(2)O_(2) system was *** work provides meaningful guidance for the cheap and convenient design of nanoreactors for Fenton-like applications.

关键词： Fe_(3)O_(4) halloysite nanotube adsorption Fenton-like reaction mechanism

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Advance in reversible Zn anodes promoted by 2D materials

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Rare Metals 2024年第4期43卷 1350-1369页

作者： shu-Yuan Lei Jin-xiu Feng Yu-Chao Chen Dong Zheng Wen-Xian Liu Wen-Hui Shi Fang-Fang Wu Xie-Hong Cao School of Materials Science and Engineering Zhejiang University of TechnologyHangzhou310014China Center for Membrane Separation and Water Science and Technology College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014China

With the growing energy demand associated with high safety and low-cost requirement,aqueous zinc-ion batteries(AZIBs)have been considered as one of the most promising next-generation ***,some key issues,such as uncontrollable dendrites growth,severe corrosion,hydrogen evolution and side reactions of Zn anodes during charge/discharge process,have hindered its pragmatic ***-dimensional(2D)materials hold advantages of unique physical and chemical properties,large surface areas and abundant active sites,which have been successfully used to overcome the above shortcomings of Zn anodes in recent *** this review,the issues and challenges of Zn anodes are ***,the state-of-the-art progress on Zn anodes modification based on 2D materials such as graphene,2D metal carbides and nitrides(MXenes),2D metal-organic frameworks(MOFs),2D covalent organic frameworks(COFs),2D transition metal compounds and other 2D materials is discussed in ***,the perspectives of employing 2D materials in highly reversible Zn anodes are summarized and discussed.

关键词： 2D materials Aqueous zinc-ion battery Zn anodes Dendrites growth

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Crosstalk among Oxidative Stress,Autophagy,and Apoptosis in the Protective Effects of Ginsenoside Rb1 on Brain Microvascular Endothelial Cells:A Mixed Computational and Experimental Study

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Current Medical Science 2024年第3期44卷 578-588页

作者： Yi-miao LUO shu-sen LIU Ming ZHAO Wei WEI Jiu-xiu YAO Jia-hui SUN Yu CAO Hao LI Department of Geriatrics Peking University Traditional Chinese Medicine Clinical Medical School (Xiyuan)Beijing100901China Department of Integration of Chinese and Western Medicine Peking University Health Science CenterBeijing100191China School of Pharmacy Harbin University of CommerceHarbin150028China Xiyuan Hospital China Academy of Chinese Medical ScienceBeijing100901China Wangjing Hospital China Academy of Chinese Medical ScienceBeijing100102China

Objective Brain microvascular endothelial cells (BMECs) were found to shift from their usually inactive state to an active state in ischemic stroke (IS) and cause neuronal damage. Ginsenoside Rb1 (GRb1),a component derived from medicinal plants,is known for its pharmacological benefits in IS,but its protective effects on BMECs have yet to be explored. This study aimed to investigate the potential protective effects of GRb1 on BMECs. Methods An in vitro oxygen-glucose deprivation/reperfusion (OGD/R) model was established to mimic ischemia-reperfusion (I/R) injury. Bulk RNA-sequencing data were analyzed by using the Human Autophagy Database and various bioinformatic tools,including gene set enrichment analysis (GSEA),Gene Ontology (GO) classification and enrichment analysis,Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis,protein-protein interaction network analysis,and molecular docking. Experimental validation was also performed to ensure the reliability of our findings. Results Rb1 had a protective effect on BMECs subjected to OGD/R injury. Specifically,GRb1 was found to modulate the interplay between oxidative stress,apoptosis,and autophagy in BMECs. Key targets such as sequestosome 1 (SQSTM1/p62),autophagy related 5 (ATG5),and hypoxia-inducible factor 1-alpha (HIF-1α) were identified,highlighting their potential roles in mediating the protective effects of GRb1 against IS-induced damage. Conclusion GRbl protects BMECs against OGD/R injury by influencing oxidative stress,apoptosis,and autophagy. The identification of SQSTM1/p62,ATG5,and HIF-1α as promising targets further supports the potential of GRb1 as a therapeutic agent for IS,providing a foundation for future research into its mechanisms and applications in IS treatment.

关键词： ischemic stroke ginsenoside Rb1 brain microvascular endothelial cells oxidative stress autophagy apoptosis bioinformatic analysis

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Effects of Helicobacter pylori and Moluodan on the Wnt/β-catenin signaling pathway in mice with precancerous gastric cancer lesions

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World Journal of Gastrointestinal Oncology 2024年第3期16卷 979-990页

作者： Yi-Mei Wang Zheng-Wei Luo Yu-Lin shu xiu Zhou Lin-Qing Wang Chun-Hong Liang Chao-Qun Wu Chang-Ping Li Department of Gastroenterology The Affiliated Hospital of Southwest Medical UniversityLuzhou 646000Sichuan ProvinceChina

BACKGROUND Helicobacter pylori(***)is the primary risk factor for gastric cancer(GC),the Wnt/β-Catenin signaling pathway is closely linked to *** has a high mortality rate and treatment cost,and there are no drugs to prevent the progression of gastric precancerous lesions to ***,it is necessary to find a novel drug that is inexpensive and preventive to against *** To explore the effects of *** and Moluodan on the Wnt/β-Catenin signaling pathway and precancerous lesions of GC(PLGC).METHODS Mice were divided into the control,N-methyl-N-nitrosourea(MNU),***+MNU,and Moluodan *** first created an *** infection model in the ***+MNU and Moluodan groups.A PLGC model was created in the remaining three groups except for the control *** was fed to mice in the Moloudan group ad *** general condition of mice were observed during the whole experiment *** tissues of mice were grossly and microscopically *** quantitative real-time PCR(qRT-PCR)and Western blotting analysis,the expression of relevant genes were *** Mice in the ***+MNU group showed the worst performance in general condition,gastric tissue visual and microscopic observation,followed by the MNU group,Moluodan group and the control ***-PCR and Western blotting analysis were used to detect the expression of relevant genes,the results showed that the ***+MNU group had the highest expression,followed by the MNU group,Moluodan group and the control *** *** can activate the Wnt/β-catenin signaling pathway,thereby facilitating the development and progression of *** suppressed the activation of the Wnt/β-catenin signaling pathway,thereby decreasing the progression of PLGC.

关键词： Helicobacter pylori Gastric cancer Wnt/β-catenin signaling pathway Moluodan

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