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Long-term outcome of stem cell transplantation with and without anti-tumor necrotic factor therapy in perianal fistula with Crohn’s disease

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World Journal of Stem Cells 2024年第3期16卷 257-266页

作者： Min Young Park Yong sik Yoon Jae Ha Park Jong Lyul Lee ch.ng sik yu Division of Colon and Rectal Surgery Department of SurgeryYonsei University College of MedicineSeoul 03722South Korea Division of Colon and Rectal Surgery Department of SurgeryUniversity of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea

BACKGROUND Stem cell transplantation is a promising therapeutic option for curing perianal fistula in Crohn’s disease(CD).Anti-tumor necrotic factor(TNF)therapy combined with drainage procedure is effective as ***,previous studies are limited to proving whether the combination treatment of biologics and stem cell transplantation improves the effect of fistula *** This study aimed to evaluate the long-term outcomes of stem cell transplantation and compare Crohn’s perianal fistula(CPF)closure rates after stem cell transplantation with and without anti-TNF therapy,and to identify the factors affecting CPF closure and *** The patients with CD who underwent stem cell transplantation for treating perianal fistula in our institution between Jun 2014 and December 2022 were *** data were compared according to anti-TNF therapy and CPF *** A total of 65 patients were *** median age of females was 26 years(range:21-31)and that of males was 29(44.6%).The mean follow-up duration was 65.88±32.65 months,and complete closure was observed in 50(76.9%)*** closure rates were similar after stem cell transplantation with and without anti-TNF therapy(66.7%vs 81.6%at 3 year,P=0.098).The patients with fistula closure had short fistulous tract and infrequent proctitis and anorectal stricture(P=0.027,0.002,and 0.008,respectively).Clinical factors such as complexity,number of fistulas,presence of concurrent abscess,and medication were not significant for *** cumulative 1-,2-,and 3-year closure rates were 66.2%,73.8%,and 75.4%,*** Anti-TNF therapy does not increase CPF closure rates in patients with stem cell ***,both refractory and non-refractory CPF have similar closure rates after additional anti-TNF *** tract length,proctitis,and anal stricture are risk factors for non-closure in patients with CPF after stem cell transplantation.

关键词： Crohn’s disease Anus Fistula Stem cell transplantation Tumor necrosis factor-alpha inhibitors Infliximab

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Short- and long-term outcomes of surgical treatment in patients with intestinal Behcet’s disease

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World Journal of Gastrointestinal Surgery 2024年第2期16卷 429-437页

BACKGROUND Behcet’s disease(BD),a chronic vasculitic disorder affecting multiple organs,is characterized by recurrent oral and genital ulcers,arthritis,vasculitis,and intes-tinal *** intestinal involvement of BD is common in East Asia,the efficacy and long-term outcomes of surgical treatment of intestinal BD still remain to be *** To evaluate the postoperative clinical course of intestinal BD and determine factors associated with its *** Data from patients who underwent surgical treatment for intestinal BD between January 2010 and August 2021 were retrospectively ***’demo-graphics,clinical features,postoperative course,complications,and follow-up data were *** We analyzed 39 surgeries in 31 *** mean patient age was 45.1 years,and the mean interval between the diagnosis of intestinal BD and surgical treatment was 4.9 years(range 1.0-8.0 years).The most common indication for surgery was medical intractability(n=16,41.0%),followed by fistula or abscess(n=11,28.2%).Laparoscopic approaches were used in 19 patients(48.7%),and 5 patients(12.8%)underwent emergency *** most common surgical procedure was ileocecal resection(n=18,46.2%),followed by right colectomy(n=11,28.2%).A diverting stoma was created in only one patient(2.6%).During a mean follow-up period of 45(range 8-72)months,eight cases(20.5%)of recurrence in five patients required *** interval between operations was 12.1 months(range 6.3-17.8 mo).Four patients(10.3%)experienced recurrence within 1 year postoperatively,and all eight recurrences occurred within 2 years of the initial *** reoperation rates at 1 and 3 years were 10.3%and 20.5%,respectively.A redo ileocolic anastomosis was performed in all recurrent *** multivariate Cox regression analysis,emergency surgery[hazard ratio(HR)9.357,95%confidence interval(CI):1.608-54.453,P=0.013]and elevated C-reactive protein(CRP)levels(HR 1.154,95%CI:1.002–1.328,

关键词： Behcet syndrome Intestinal General surgery Recurrence Risk factors

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CD200Rhigghh neutrophils with dysfunctional autophagy establish systemic immunosuppression by increasing regulatory T cells

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Cellular & Molecular Immunology 2024年第4期21卷 349-361页

作者： Ye Seon Kim yu Sun Jeong Geon Ho Bae Ji Hyeon Kang Mingyu Lee Brian A.Zabel Yoe-sik Bae Department of Biological Sciences Sungkyunkwan UniversitySuwon16419Republic of Korea Department of Health Science and Technology SAIHSTSungkyunkwan UniversitySeoul06351Republic of Korea Palo Alto Veterans Institute for Research Veterans Affairs HospitalPalo AltoCA94304USA

Distinct neutrophil populations arise during certain pathological *** generation of dysfunctional neutrophils during sepsis and their contribution to septicemia-related systemic immune suppression remain *** this study,using an experimental sepsis model that features immunosuppression,we identified a novel population of pathogenic CD200R^(high) neutrophils that are generated during the initial stages of sepsis and contribute to systemic immune suppression by enhancing regulatory T(T_(reg))*** to their CD200R^(low)counterparts,sepsis-generated CD200Rhigh neutrophils exhibit impaired autophagy and dysfunction,with reduced chemotactic migration,superoxide anion production,and TNF-α*** soluble CD200 blocks autophagy and neutrophil maturation in the bone marrow during experimental sepsis,and recombinant CD200 treatment in vitro can induce neutrophil dysfunction similar to that observed in CD200R^(high) *** administration of anα-CD200R antibody effectively reversed neutrophil dysfunction by enhancing autophagy and protecting against a secondary infection challenge,leading to increased *** analysis revealed that CD200R^(high) neutrophils expressed high levels of Igf1,which elicits the generation of Treg cells,while the administration of anα-CD200R antibody inhibited Treg cell generation in a secondary infection *** together,our findings revealed a novel CD200R^(high) neutrophil population that mediates the pathogenesis of sepsis-induced systemic immunosuppression by generating Treg cells.

关键词： Sepsis Neutrophils CD200R Autophagy IGF-1 Regulatory T cells

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New anti-mesenteric delta-shaped stapled anastomosis: Technical report with short-term postoperative outcomes in patients with Crohn’s disease

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World Journal of Gastrointestinal Surgery 2024年第8期16卷 2592-2601页

作者： Jong Lyul Lee Yong sik Yoon Hyun Gu Lee Young Il Kim Min Hyun Kim chan Wook Kim In Ja Park Seok-Byung Lim ch.ng sik yu Division of Colon and Rectal Surgery Department of SurgeryUniversity of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea Department of Surgery Gangdong Kyung Hee University HospitalSeoul 05278South Korea

BACKGROUND Medical treatment for Crohn’s disease(CD)has continuously improved,which has led to a decrease in surgical recurrence *** these advancements,25%of patients will undergo repeat intestinal *** of CD com-monly occurs on the mesentery side of the anastomosis *** To compare the new anti-mesenteric side-to-side delta-shaped stapled anasto-mosis(DSA)with the conventional stapled functional end-to-end anastomosis(CSA).METHODS This retrospective study included CD patients who underwent ileo-ileal or ileo-colic anastomosis between January 2020 and December *** DSA technique employed a stapler to maintain the concept of anti-mesentery side-to-side ana-stomosis by performing a 90°vertical closure of the open window compared with the CSA *** the corner where the open window is closed,the DSA avoids forming a pouch and creates an anastomosis resembling a delta shape within the intestinal *** compared demographics,preoperative condition,operative findings,and operative outcomes for the two *** The study included 175 patients,including 92 in the DSA group and 83 in the CSA *** two groups were similar in baseline characteristics,preoperative medical treatment,and operative findings except for the Montreal classification *** 30-days postoperative complication rate was signi-ficantly lower in the DSA group compared with the CSA group(16.3%vs 32.5%,P=0.009).Ileus incidence was significantly lower in the DSA group than in the CSA group(4.3%vs 14.5%,P=0.033),and the hospital stay was shorter in the DSA group than in the CSA group(5.67±1.53 days vs 7.39±3.68 days,P=0.001).CONCLUSION The DSA technique was feasible and showed comparable postoperative outcomes with lower short-term complic-ations compared with the CSA *** studies on CD recurrence and long-term complications are warranted.

关键词： Crohn’s disease Surgery Anastomosis Complication Recurrence

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Clinical significance of surgical resection for hepatocellular carcinoma with portal vein invasion:a nationwide cohort study

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Hepatobiliary Surgery and Nutrition 2024年第5期13卷 814-823,I0006-I0008页

作者： Hye-Sung Jo Pyoung-Jae Park Young-Dong yu Yoo Jin choi Se Hyeon yu Dong-sik Kim Korean Liver Cancer Association Division of HBP Surgery and Liver Transplantation Department of SurgeryKorea University College of MedicineSeoulRepublic of Korea Division of Transplantation and Vascular Surgery Department of SurgeryKorea University Guro HospitalKorea University College of MedicineSeoulRepublic of Korea

Background:Hepatocellular carcinoma(HCC)with portal vein invasion(PVI)is considered an advanced stage with a poor *** current guidelines recommend systemic treatment for HCC with PVI,surgical resection could produce acceptable outcomes in selected *** study aimed to identify the clinical significance of surgical resection for HCC with PVI patients using a large-scale nationwide ***:This retrospective,multicenter,observational cohort analyzed data from the Korean Primary Liver Cancer Registry.A total of 16,781 patients who were newly diagnosed with HCC between 2008 and 2018 were enrolled in this *** with worse child-Turcotte-Pugh scores(≥7)or performance status(≥2)were *** them,998 patients who received treatment for HCC with PVI were included in the analysis and were divided into two groups:resection group of 151(15.1%)and palliative group of 847(84.9%)who received transarterial and systemic therapy according to the treatment *** match.ng the number and size of the tumors and model for end-stage liver disease(MELD)score between the groups,the final study cohort for analysis comprised 151(26.6%)patients in the resection group and 417(73.4%)in the palliative *** primary endpoints were overall survival(OS)and cancer-specific survival(CSS).Results:The number and maximum size of HCC did not differ between the resection and palliative groups after match.ng[1(range,1-5)vs.1(range,1-6),P=0.11 and 5.5(range,1.2-20.6)vs.6.0(range,1.0-20.5)cm,P=0.24,respectively].Tumor markers,including alpha-fetoprotein(AFP)and protein induced by vitamin K absence or antagonist-II(PIVKA-II),also did not differ between the groups(P=0.29 and P=0.36,respectively).The 5-year OS and CSS rates of the resection and palliative groups were 44.8%and 17.4%(P<0.001)and 47.7%and 18.6%(P<0.001),*** analysis showed that palliative treatment intent was the most significant risk factor for OS and CSS[odds ratio(OR

关键词： Hepatocellular carcinoma(HCC) portal vein invasion(PVI) overall survival(OS) cancer-specific survival(CSS) surgical resection

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Effects of Using Softwood Pellet Biochar Prepared at Different Temperatures with Grass chippings on Retention of Heavy Metals in Contaminated Soils

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Open Journal of Polymer chemistry 2024年第3期14卷 146-166页

作者： Kyari Umar Dunoma Limin Ma Xingquan Shu Haiyan yu Weiwei Zhang ch.ngch.ng Bu Yong-sik Wang Jiahong Luo Guangyao chen Jinpeng yu Ru Zhang yuchen Han Haoyu Zeng Matthew S. Wisseh Amina Grema Mustafa Mohammad Auwal Saidu Mufidat Mamman Khan College of Environmental Science and Engineering Tongji University Shanghai China Key Laboratory of Yangtze River Water Environment Ministry of Education Tongji University Shanghai China Environmental Assessment Department Federal Ministry of Environment Abuja Nigeria

Heavy metals have been viewed as hazardous environmental pollutants, and anthropogenic activities due to their high toxicity and persistent nature in the environment. Anthropogenic activities such as artisanal mining, industrial activities, improper usage of fertilizers and pesticides, and indiscriminate open waste disposal bring about an increase in the presence of heavy metals in the environment. In the Keffi Metropolis, different elements lead to land contamination which debilitates soil quality, plant survival, human well-being, and the environment as a result of extensive dispersion or quantity of heavy metals in the soil and water. In recent years, biochar has emerged as a promising soil amendment for mitigating heavy metal pollution due to its unique physicochemical properties. This paper provides the effects of softwood pellet biochar on the retention of heavy metals in contaminated soils. A microcosm experiment was carried out to investigate the effects of biochar on the retention of heavy metals in contaminated soils. This research aimed to give an overview of the effects of softwood biochar at different temperatures (550˚C and 700˚C) on the retention of heavy metals and metalloids released from the soil during water inundation. The results show that the addition of organic matter (grass chippings) minimizes heavy metal mobilization. Also, biochar at high temperatures is more effective than those at low temperatures. The expected outcome of the research analysis includes providing insights into the role of biochar in retaining heavy metal contamination and further understanding the use of biochar as a sorbent for the management of contaminated soil.

关键词： Softwood Biochar Heavy Metal Contaminated Soil Grass chips Keffi Metropolis Microcosm

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闪动疗法改善早期创伤经历者抑郁情绪的个案研究

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中国临床心理学杂志 2024年第2期32卷 475-479页

作者：凌辉周玉霞王馨雨颜雅琴黄锡林张建人湖南师范大学认知与人类行为湖南省重点实验室长沙410082 湖南省心理健康教育研究基地长沙410081 湖南第一师范学院心理健康教育中心长沙410205 美国加州州立大学东湾分校旧金山94707 海南省妇女儿童医学中心海口570206

目的:探究闪动疗法对早期创伤经历者抑郁情绪的干预效果。方法:采用单被试实验设计对一名个案的早期创伤记忆进行闪动疗法干预,结合问卷、访谈、观察等多种方式评估干预效果。使用中文版儿童期创伤问卷和抑郁自评量表筛选个案,在干预前... 详细信息

目的:探究闪动疗法对早期创伤经历者抑郁情绪的干预效果。方法:采用单被试实验设计对一名个案的早期创伤记忆进行闪动疗法干预,结合问卷、访谈、观察等多种方式评估干预效果。使用中文版儿童期创伤问卷和抑郁自评量表筛选个案,在干预前后及追踪期对个案的抑郁情绪进行评估,在干预过程中用主观痛苦感觉单位量表对个案创伤事件的主观痛苦感进行评估。结果:定量和定性评估结果表明,个案在干预后及追踪期的抑郁情绪水平显著低于干预前。结论:闪动疗法能有效改善早期创伤经历者的抑郁情绪。

关键词：闪动疗法早期创伤经历者抑郁个案研究

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Current issues in locally advanced colorectal cancer treated by preoperative chemoradiotherapy

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World Journal of Gastroenterology 2014年第8期20卷 2023-2029页

作者： In Ja Park ch.ng sik yu Department of Colon and Rectal Surgery Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 138-736South Korea

In patients with locally advanced rectal cancer, preoperative chemoradiotherapy has proven to significantly improve local control and cause lower treatment-related toxicity compared with postoperative adjuvant treatment. Preoperative chemoradiotherapy followed by total mesorectal excision or tumor specific mesorectal excision has evolved as the standard treatment for locally advanced rectal cancer. The paradigm shift from postoperative to preoperative therapy has raised a series of concerns however that have practical clinical implications. These include the method used to predict patients who will show good response, sphincter preservation, the application of conservative management such as local excision or “wait-and-watch” in patients obtaining a good response following preoperative chemoradiotherapy, and the role of adjuvant chemotherapy. This review addresses these current issues in patients with locally advanced rectal cancer treated by preoperative chemoradiotherapy.

关键词： Colorectal cancer Rectal cancer Preoperative chemoradiotherapy Conservative Response

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Paleo-shoreline ch.nges in moraine dammed lake Khagiin Khar, Khentey Mountains, Central Mongolia

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Journal of Mountain Science 2019年第6期16卷 1215-1230页

作者： OH Jeong-sik SEOng Yeong Bae HOng Seongchan yu Byung Yong Department of Geography Education Korea UniversityAnam-Ro 145Seongbuk-GuSeoul 02841Korea AMS Laboratory Advanced Analysis CenterKorea Institute of Science and TechnologySeoul 02791Korea

The formation and evolution of glacier moraine-dammed lakes are closely related to past glacier expansion and retreat. Geomorphic markers such as lacustrine terraces and beach ridges observed in these lakes provide important evidence for regional paleoenvironment reconstruction. We document the magnitude of paleo-shoreline fluctuations and timings of highstands of lake water by using cosmogenic 10Be surface exposure dating and optically stimulated luminescence(OSL) dating on samples collected from lacustrine sediment and bedrock strath in Lake Khagiin Khar. The lake was initially impounded by glacier moraine at the Global Last Glacial maximum(gLGM;21–19 ka), and the lake reached its maximum paleo-shoreline level of 1840 m at sea level(a.s.l.). At that time, the stored lake water amount was up to seven times greater and the surface area was three times larger than the present values. The paleolake experienced higher shoreline levels at 1832, 1822, and 1817 m a.s.l. and reached the present lake level after 0.4 ka. We interpret that decrease in the paleolake level was caused by spillover. The increase in melt water after the gLGM and the Late Glacial exceeded the storage threshold of the lake, and the paleolake water overflowed across the lowest drainage divides. The lake spilled over across the lowest bedrock ridge at 15.9 ± 0.6 ka, and the outlet was incised since that time at a rate of 3.72 ± 0.15 mm/yr. The initial stream of the Khiidiin Pass River was disturbed by LGM moraine damming and was rerouted into the present course running through moraine after the spillover at 15.9 ± 0.6 ka.

关键词： Moraine-dammed lake Lake Khagiin Khar Shoreline Spillover 10Be exposure dating

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Short-term and long-term outcomes of laparoscopic vs open ileocolic resection in patients with Crohn's disease: Propensityscore match.ng analysis

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World Journal of Gastroenterology 2021年第41期27卷 7159-7172页

作者： Shin Jeong Pak Young Il Kim Yong sik Yoon Jong Lyul Lee Jung Bok Lee ch.ng sik yu Department of Colon and Rectal Surgery University of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea Department of Clinical Epidemiology and Biostatistics University of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea

BACKGROUND Laparoscopic ileocolic resection(LICR)is the preferred surgical approach for primary ileocolic Crohn’s disease(CD)because it has greater recovery benefits than open ICR(OICR).AIM To compare short-and long-term outcomes in patients who underwent LICR and *** Patients who underwent ICR for primary CD from 2006 to 2017 at a single tertiary center specializing in CD were *** who underwent LICR and OICR were subjected to propensity-score match.ng *** were propensityscore matched 1:1 by factors potentially associated with 30-d perioperative *** included demographic characteristics and disease-and treatment-related *** were compared using univariate and multivariate ***-term surgical recurrence-free survival(SRFS)in the two groups was determined by the Kaplan-Meier method and compared by the log-rank *** During the study period,348 patients underwent ICR,211 by the open approach and 137 ***-score match.ng yielded 102 pairs of *** rate of postoperative complication was significantly lower(14%versus 32%,P=0.003),postoperative hospital stay significantly shorter(8 d versus 13 d,P=0.003),and postoperative pain on day 7 significantly lower(1.4 versus 2.3,Pched patients who underwent LICR than in those who underwent *** analysis showed that postoperative complications were significantly associated with preoperative treatment with biologics[odds ratio(OR):3.14,P=0.01]and an open approach to surgery(OR:2.86,P=0.005).The 5-and 10-year SRFS rates in the matched pairs were 92.9%and 83.3%,respectively,with SRFS rates not differing significantly between the OICR and LICR *** performance of additional procedures was an independent risk factor for surgical recurrence[hazard ratio(HR):3.28,P=0.02].CONCLUSION LICR yielded better short-term outcomes and postoperative recovery than OICR,with no differences in long-ter

关键词： Crohn’s disease Laparoscopic Surgery Postoperative complications Recurrence Propensity score Retrospective study

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