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Two plant NLR proteins confer strain-specific resistance conditioned by an effector from Pseudomonas syringae ***

Journal of Genetics and Genomics 2022年第8期49卷 823-832页

作者： Xiaojuan Zheng Zhaoyang Zhou Zhen Gong Meijuan Hu Ye Jin ahn Xiaojuan Zhang Yan Zhao Guoshu Gong Jian Zhang Jianru Zuo Guan-Zhu Han Sohn Kee hoon Jian-Min Zhou State Key Laboratory of Plant Genomics Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China CAS Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijing 100049China College of Horticulture China Agricultural UniversityBeijing 100193China College of Life Sciences Jiangsu Key Laboratory for Microbes and Functional GenomicsNanjing Normal UniversityNanjingJiangsu 210023China Department of Life Sciences Pohang University of Science and TechnologyPohang 37673Republic of Korea School of Interdisciplinary Bioscience and Bioengineering Pohang University of Science and TechnologyPohang 37673Republic of Korea Plant Protection Department and Major Crop Disease Laboratory College of AgronomySichuan Agricultural UniversityChengduSichuan 611130China Hainan Yazhou Bay Seed Laboratory SanyaHainan 572025China

Pseudomonas syringae ***(Psa)causes bacterial canker,a devastating disease threatening the Actinidia fruit *** a search for non-host resistance genes against Psa,we find that the nucleotidebinding leucine-rich repeat receptor(NLR)protein ZAR1 from both Arabidopsis and Nicotiana benthamiana(Nb)recognizes Hop Z5 and triggers cell *** recognition requires ZED1 in Arabidopsis and JIM2 in Nb plants,which are members of the ZRK pseudokinases and known components of the ZAR1 ***,Arabidopsis ZAR1 and RPM1,another NLR known to recognize Hop Z5,confer disease resistance to Hop Z5 in a strain-specific ***,ZAR1,but not RPM1,is solely required for resistance to *** ES4326(Psm)carrying hop Z5,whereas RPM1 is primarily required for resistance to *** DC3000(Pst)carrying hop ***,the ZAR1-mediated resistance to Psm hop Z5 in Arabidopsis is insensitive to SOBER1,which encodes a deacetylase known to suppress the RPM1-mediated resistance to Pst hop *** addition,hop Z5 enhances *** virulence in the absence of ZAR1 or RPM1 and that SOBER1 abolishes such virulence *** the study suggests that ZAR1 may be used for improving Psa resistance in Actinidia and uncovers previously unknown complexity of effectortriggered immunity and effector-triggered virulence.

关键词： NLR ZAR1 Pseudomonas syringae pv.actinidiae Immunity Disease resistance

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A combination of immunoadjuvant nanocomplexes and dendritic cell vaccines in the presence of immune checkpoint blockade for effective cancer immunotherapy

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Cellular & Molecular Immunology 2021年第6期18卷 1599-1601页

作者： Manh-Cuong Vo Seo-Yeon ahn Tan-Huy Chu Saji Uthaman Shammer Pillarisetti Tung Nguyen Thanh Uong Thangaraj Jaya Lakshmi Mihee Kim Ga-Young Song Sung-hoon Jung Deok-Hwan Yang Jae-Sook ahn Hyeoung-Joon Kim In-Kyu Park Je-Jung Lee Institute of Research and Development Duy Tan UniversityDanangVietnam Research Center for Cancer Immunotherapy Chonnam National University Hwasun HospitalHwasunJeollanamdoRepublic of Korea Department of Hematology-Oncology Chonnam National University Hwasun HospitalChonnam National University Medical SchoolGwangjuRepublic of Korea Department of Polymer Science and Engineering Chungnam National UniversityDaejeonRepublic of Korea Department of Biomedical Science Chonnam National University Medical SchoolGwangjuRepublic of Korea Department of Radiation Oncology Chonnam National University Hwasun HospitalChonnam National University Medical SchoolGwangjuSouth Korea View author publications

Nanovaccines are used as delivery platforms for antigens and adjuvants, which activate antigen-presenting cells (APCs) and enhance anticancer immune responses.1,2 Researchers have recently developed a self-assembled nanocomplex using a polysorbitol-co-PEI (PSPEI) polymer complexed with poly(I:C) (PIC). By binding to different surface proteins, this nanocomplex enhances the intracellular delivery of cargos and induces potent anticancer immune responses against melanoma cells.3 We have previously demonstrated that PD-1/PD-L1 blockade enhanced the efficacy of DC-based cancer immunotherapy.4,5 Moreover, the combination of nanomedicines and PD-L1 blockade has been reported to enhance CD8+ T cell activation and inhibit immunosuppressive cells within the tumor microenvironment.6 In the present study, we investigated the therapeutic efficacy of a combinatorial treatment comprising the immunoadjuvant nanocomplex PSPEI-PIC, a DC vaccine, and PD-L1 blockade in a murine colon cancer model.

关键词： adjuvant vaccines immunotherapy

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Spatial and spectral measurement of laser-driven protons through radioactivation

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Nuclear Science and Techniques 2023年第12期34卷 30-39页

作者： Yin‑Ren Shou Xue‑Zhi Wu Gwang‑Eun ahn Seung Yeon Kim Seong hoon Kim Hwang Woon Lee Jin Woo Yoon Jae Hee Sung Seong Ku Lee Xue‑Qing Yan Il Woo Choi Chang Hee Nam Center for Relativistic Laser Science Institute for Basic ScienceGwangju 61005Republic of Korea School of Physics Peking UniversityBeijing 100871China Advanced Photonics Research Institute Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Department of Physics and Photon Science Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea

The simultaneous measurement of the spatial profile and spectrum of laser-accelerated protons is important for further optimization of the beam qualities and *** report a detailed study regarding the underlying physics and regular procedure of such a measurement through the radioactivation of a stack composed of aluminum,copper,and CR-39 plates as well as radiochromic films(RCFs).After being radioactivated,the copper plates are placed on imaging plates(IPs)to detect the positrons emitted by the reaction products through contact *** spectrum and energy-dependent spatial profile of the protons are then obtained from the IPs and confirmed by the measured ones from the RCFs and CR-39 *** also discuss the detection range,influence of electrons,radiation safety,and spatial resolution of this ***,insights regarding the extension of the current method to online measurements and dynamic proton imaging are also provided.

关键词： Laser-driven proton acceleration Proton-induced nuclear reaction Radioactivation measurement Contact imaging

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Calcium channel blocker monotherapy versus combination with reninangiotensin system inhibitors on the development of new-onset diabetes mellitus in hypertensive Korean patients

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Journal of Geriatric Cardiology 2019年第6期16卷 439-447页

作者： Yong hoon Kim Ae-Young Her Seung-Woon Rha Byoung Geol Choi Se Yeon Choi Jae Kyeong Byun Yoonjee Park Dong Oh Kang Won Young Jang Woohyeun Kim Woong Gil Choi Tae Soo Kang Jihun ahn sang-Ho Park Ji Young Park Min-Ho Lee Cheol Ung Choi Chang Gyu Park Hong Seog Seo Division of Cardiology Department of Internal Medicine Kangwon National University School of Medicine Chuncheon South Korea Cardiovascular Center Korea University Guro Hospital Seoul South Korea Department of Medicine Korea University Graduate School Seoul South Korea Cardiology Department Konkuk University Chungju Hospital Chungju South Korea Department of Internal Medicine Cardiovascular Division Dankook University Hospital Cheonan South Korea Department of Cardiology Soonchunhyang University Gumi Hospital Gumi South Korea Cardiology Department Soonchunhyang University Cheonan Hospital Cheonan South Korea Division of Cardiology Department of Internal Medicine Cardiovascular Center Nowon Eulji Medical Center Eulji University Seoul South Korea Department of Cardiology Soonchunhyang University College of Medicine Seoul South Korea

Background In real practice, two or more antihypertensive drugs are needed to achieve target blood pressure. We investigated the comparative beneficial actions of combination therapy of renin-angiotensin system inhibitors (RASI), with calcium channel blockers (CCB) over CCB monotherapy on the development of new-onset diabetes mellitus (NODM) in Korean patients during four-year follow-up periods. Methods A total of 3208 consecutive hypertensive patients without a history of diabetes mellitus who had been prescribed CCB were retrospectively enrolled from January 2004 to December 2012. These patients were divided into the two groups according to the additional use of RASI (the RASI group, n = 1221 and the no RASI group, n = 1987). Primary endpoint was NODM, defined as a fasting blood glucose ≥ 126 mg/dL or hemoglobin A1c ≥ 6.5%. Secondary endpoint was major adverse cardiac events (MACE) defined as total death, myocardial infarction (MI) and percutaneous coronary intervention (PCI). Results After propensity score-matched (PSM) analysis, two propensity- matched groups (939 pairs, n = 1878, C-statistic = 0.743) were generated. The incidences of NODM (HR = 1.009, 95% CI: 0.700–1.452, P = 0.962), MACE (HR = 0.877, 95% CI: 0.544–1.413, P = 0.589), total death, MI, PCI were similar between the two groups after PSM during four years. Conclusions The use of RASI in addition to CCB showed comparable incidences of NODM and MACE compared to CCB monotherapy in non-diabetic hypertensive Korean patients during four-year follow-up period. However, large-scaled randomized controlled clinical trials will be required for a more definitive conclusion.

关键词： Calcium channel blocker Diabetes mellitus Renin-angiotensin system inhibitors

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Leptomeningeal seeding after surgical resection or stereotactic radiosurgery for brain metastases: Analysis of risk factors

Leptomeningeal seeding after surgical resection or stereotac...

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第五届韩-中神经肿瘤会议

作者： Jun Hyong ahn sang Hyun Lee Heon Yoo Seung hoon Lee Jungnam Joo Sohee Kim Ho-Shin Gwak Department of Neurosurgery Seoul National University College of Medicine National Cancer Center Korea Department of diagnostic radiology National Cancer Center Korea Neuro-oncology Clinic and National Cancer Center Korea Department of Medical statistics National Cancer Center Korea

Background: Leptomeningeal seeding （LMS） is a devastating complication of malignancy. Among several pathogenesis, surgical spillage has been one of the iatrogenic factors for the development of LMS. We retrospectively analyzed various surgical factors affecting the development of LMS. Patients and Methods: We identified 294 patients with brain metastasis who had been treated using surgery between 2001 and 2009. We classified the tumor location into subcortical, pial, epipial, juxtaventricular and ventricular. The description of surgical resection was divided into piecemeal and en-bloc and the risk of using cavitron ultrasonic aspirator （CUSA） were investigated. Results: A total 44 of the 294 patients （15%） developed LMS after undergoing index procedure. The median time to LMS development was 6months （range, 1.0-42.0）. Among the 294 surgical patients, seven out of 101 en-bloc removal patients （6.9%） developed LMS, whereas 37 out of 193 piecemeal removal patients （19.2%） developed LMS, and the incidence of LMS was significantly different between these two surgical resection modes （p = 0.005）.The adjusted hazard ratio （HR） for patients whose tumors were resected by piecemeal compared to en-bloc was 3.12 （95% CI, 1.4-7.0;p = 0.006）. The incidence of LMS was significantly higher （p ＜ 0.001） in patients whose tumors were resected by CUSA, and the HR of using CUSA was 4.18 （95% CI, 1.9-9.4;p = 0.001）. The location of tumor at high-risk of CSF exposure （epipial and ventricular） conferred increased risk of LMS after the treatment compared to low-risk group with the HR 2.52 （95% CI, 1.4-4.7;p = 0.004）. On the other hand, the location of tumor at low-risk of CSF exposure （subcortical） showed significantly reduced risk of LSM compared to the other locations （HR=0.27;95% CI 0.12-0.65;p-value = 0.003）. Conclusion: The piecemeal resection mode and the use of CUSA were found to increase risk of LMS in this retrospective study. Therefore, the piecemeal resection using CUSA should be

关键词： Leptomeningeal carcinomatosis Neoplasm seeding surgery stereotactic radiosurgery

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Five-year clinical outcomes of first-generation versus second-generation drug-eluting stents following coronary chronic total occlusion intervention

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Journal of Geriatric Cardiology 2019年第8期16卷 639-647页

作者： Yong hoon Kim Ae-Young Her Seung-Woon Rha Byoung Geol Choi Se Yeon Choi Jae Kyeong Byun Yoonjee Park Dong Oh Kang Won Young Jang Woohyeun Kim Ju Yeol Baek Woong Gil Choi Tae Soo Kang Jihun ahn sang-Ho Park Ji Young Park Min-Ho Lee Cheol Ung Choi Chang Gyu Park Hong Seog Seo Division of Cardiology Department of Internal MedicineKangwon National University School of MedicineChuncheonSouth Korea Department of Cardiology Soonchunhyang University College of MedicineSeoulSouth Korea Cardiovascular Center Korea University Guro HospitalSeoulSouth Korea Department of Medicine Korea University Graduate SchoolSeoulSouth Korea Cardiovascular Center Seoul St. Mary’s Hospitalthe Catholic University of KoreaSeoulSouth Korea Cardiology Department Konkuk University Chungju HospitalChungjuSouth Korea Department of Internal Medicine Cardiovascular DivisionDankook University HospitalCheonanSouth Korea Department of Cardiology Soonchunhyang University Gumi HospitalGumiSouth Korea Cardiology Department Soonchunhyang University Cheonan HospitalCheonanSouth Korea Division of Cardiology Department of Internal MedicineCardiovascular CenterNowon Eulji Medical CenterEulji UniversitySeoulSouth Korea

Background There are limited data comparing long-term clinical outcomes between first-generation (1G) and second-generation (2G) drug-eluting stents (DESs) in patients who underwent successful percutaneous coronary intervention (PCI) for coronary chronic total occlusion (CTO) lesion. Methods A total of 840 consecutive patients who underwent PCI with DESs for CTO lesion from January 2004 to November 2015 were enrolled. Finally, a total of 324 eligible CTO patients received 1G-DES (Paclitaxel-eluting stent or Sirolimus-eluting stent, n = 157) or 2G-DES (Zotarolimus-eluting stent or Everolimus-eluting stent, n = 167) were enrolled. The clinical endpoint was the occurrence of major adverse cardiac events (MACE) defined as all-cause death, recurrent myocardial infarction (re-MI), total repeat revascularization [target lesion revascularization (TLR), target vessel revascularization (TVR), and non-TVR]. We investigated the 5-year major clinical outcomes between 1G-DES and 2G-DES in patient who underwent successful CTO PCI. Results After propensity score matched (PSM) analysis, two well-balanced groups (111 pairs, n = 222, C-statistic = 0.718) were generated. Up to the 5-year follow-up period, the cumulative incidence of all-cause death, re-MI, TLR, TVR and non-TVR were not significantly different between the two groups. Finally, MACE was also similar between the two groups (HR = 1.557, 95% CI: 0.820–2.959, P = 0.176) after PSM. Conclusions In this study, 2G-DES was not associated with reduced long-term MACE compared with 1G-DES following successful CTO revascularization up to five years.

关键词： Chronic total occlusion Drug-eluting stent Outcomes

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Sojucktang induces apoptosis via loss of mitochondrial membrane potential and caspase-3 activation in KLE human endometrial cancer cells

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Chinese Science Bulletin 2009年第23期54卷 4387-4392页

作者： OH Yeon-Suk KWON Hee-Young JEONG Soo-Jin PARK Ki-Young KIM Sun-Young LEE Hyo-Jung LEE Hyo-Jeong LEE Eun-Ok ahn Kwang Seok KIM Sung-hoon Cancer Preventive Material Development Research Center Oriental Medical CollegeKyunghee University College of Medicine Kyunghee University

Sojucktang (SJT) has long been used for the treatment of endometrial diseases in Korea. However, the mechanisms responsible for the SJT-induced apoptosis in endometrial cancer cells remain unclear. In the present study, SJT was demonstrated to show cytotoxic effect and induce apoptotic cell death via mitochondrial regulation in KLE endometrial cancer cells. Linderae Radix, Glycyrrhizae Radix, Zedoariae Rhizoma, Trogopterorum Faeces and Agelicae Gigantis Radix were found to be the potent constituent herbs of SJT to significantly decrease the viability of KLE cells by a tetra zolium salt (XTT) assay. Apoptotic bodies were observed in SJT-treated KLE cells by 4′-6-diamidino-2-phenylindole (DAPI) and TdT-mediated-dUTP nick-end labeling (TUNEL) assay. SJT also increased sub-G1 DNA contents of the cell cycle undergoing apoptosis in a dose-dependent manner. Furthermore, it was observed that SJT activated caspase-3 and cleaved poly (ADP-ribose) polymerase (PARP), and decreased mitochondrial membrane potential in a dose-dependent manner. Taken together, this study shows that SJT exerts anti-tumor activity against KLE endometrial cancer cells via mitochondrial dependent apoptosis induction.

关键词：线粒体膜电位 caspase 子宫内膜癌细胞凋亡活化癌细胞诱导细胞毒作用

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Acupuncture ameliorates atopic dermatitis by modulating gut barrier function in a gut microbiota-dependent manner in mice

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Journal of Integrative Medicine 2024年第5期22卷 600-613页

作者： Mijung Yeom Sora ahn Dae-Hyun Hahm Sun-Young Jang Se hoon Jang Su-Yang Park Jae-Hwan Jang Jihan Park Ju-Young Oh In-Seon Lee Kyuseok Kim Soon-Kyeong Kwon Hi-Joon Park Acupuncture and Meridian Science Research Center College of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea Department of Physiology School of MedicineKyung Hee UniversitySeoul 02447Republic of Korea BioNanocomposite Research Center Kyung Hee UniversitySeoul 02447Republic of Korea Department of Science in Korean Medicine College of Korean MedicineGraduate SchoolKyung Hee UniversitySeoul 02447Republic of Korea College of Korean Medicine Kyung Hee UniversitySeoul 02447Republic of Korea Department of Ophthalmology Otorhinolaryngology and Dermatology of Korean MedicineCollege of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea Division of Applied Life Science(BK21) Gyeongsang National UniversityJinju 52828Republic of Korea Department of Anatomy&Information Sciences College of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea

Objective Atopic dermatitis(AD)is a chronic inflammatory skin disease that may be linked to changes in the gut *** has been proven to be effective in reducing AD symptoms without serious adverse events,but its underlying mechanism is not completely *** purpose of this study was to investigate whether the potential effect of acupuncture on AD is gut *** AD-like skin lesions were induced by applying MC903 topically to the cheek of the *** was done at the Gok-Ji(LI11)***-like symptoms were assessed by lesion scores,scratching behavior,and histopathological changes;intestinal barrier function was measured by fecal output,serum lipopolysaccharide levels,histopathological changes,and mRNA expression of markers involved in intestinal permeability and *** microbiota was profiled using 16S rRNA gene sequencing from fecal *** Acupuncture effectively improved chronic itch as well as the AD-like skin lesions with epidermal thickening,and also significantly altered gut microbiota structure as revealed byβ-diversity indices and analysis of *** beneficial effects were eliminated by antibiotic depletion of gut microbiota,but were reproduced in gut microbiota-depleted mice that received a fecal microbiota transplant from acupuncture-treated ***,AD mice had intestinal barrier dysfunction as indicated by increased intestinal permeability,atrophy of the mucosal structure(reduced villus height and crypt depth),decreased expression of tight junctions and mucus synthesis genes,and increased expression of inflammatory mediators in the *** attenuated these abnormalities,which was gut *** Acupuncture ameliorates AD-like phenotypes in a gut microbiota-dependent manner and some of these positive benefits are explained by modulation of the intestinal barrier,providing new perspective for non-pharmacological strategies for

关键词： Atopic dermatitis Acupuncture Gut microbiota Intestinal barrier function

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Live Fibular Graft for the Treatment of Long Bone Tumors in Children

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Journal of Cancer Therapy 2017年第3期8卷 225-233页

作者： Seung-Koo Rhee Mohammed Einayet Abdelhameed Chi-hoon ahn Cheol-U Kim Department of Orthopaedic Surgery Bone & Joint Tumor Division Daejeon Sun Medical Center Daejeon Korea Department of Orthopaedic Surgery Sharg Alneel Hospital Khartom Sudan

Purposes: We would like to inform the characteristics of recurred osteo-fibrous dysplasia (OFD), and also the possible use of vascularized composite autograft and allografts (VCA) combined with live fibular graft (LFG) for the treatment of aggressive benign bone tumor and osteogenic sarcomas in children. Materials and Methods: We reviewed one boy with recurred OFD after LFG, and other four children with osteogenic sarcoma in long bone which was treated with LFG and VCA, and followed them for average 9 years (3 - 14 years). Survival of the LFG and VCA was estimated by the ISOLS Functional Radiologic Scoring System, but not with Kaplans-Meier’s scoring system because of a small series of case reports. Results: All succeed after surgeries initially, but the cause of recurrence of OFD was still unclear, and one girl with osteogenic sarcoma on distal femur died with skip and lung metastasis, 4 years after surgeries. Conclusions: The causes of recurred OFD are not found thru pathologic studies of our patient, but we believe the multifocal origin of tumor cells even on the adjacent soft tissues in OFD is one of the causes. The excised long bone tumor is recycled by pasteurization or autoclaving, or allograft, then LFG, and neo-adjuvant chemotherapy would be one of elective surgery for the treatment of malignant long bone tumors in children. The LFG into recycled autograft or allograft bone is difficult to perform simultaneously, but very effective to increase more earlier regenerative vascularities and also the stabilities of the dead bones in children.

关键词： Live Fibular Graft Vascularized Composite Allograft or Autograft Osteofibrous Dysplasia Osteogenic Sarcoma Children

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Reevaluation of the expanded indications in undifferentiated early gastric cancer for endoscopic submucosal dissection

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World Journal of Gastroenterology 2022年第15期28卷 1548-1562页

作者： Jiyoung Yoon Seung-Yeon Yoo Young Soo Park Kee Don Choi Beom Su Kim Moon-Won Yoo In Seob Lee Jeong Hwan Yook Ga Hee Kim Hee Kyong Na Ji Yong ahn Jeong hoon Lee Kee Wook Jung Do hoon Kim Ho June Song Gin Hyug Lee Hwoon-Yong Jung Department of Gastroenterology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Pathology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Surgery Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea

BACKGROUND Although the criteria for the indication of endoscopic submucosal dissection(ESD)for undifferentiated early gastric cancer(UD-EGC)have been recently proposed,accumulating reports on the non-negligible rate of lymph node metastasis(LNM)after indicated ESD raise questions on the reliability of the current *** To investigate the prevalence and risk factors of LNM in UD-EGC cases meeting the expanded indication for *** We retrospectively reviewed 4780 UD-EGC cases that underwent surgical resection between January 2008 and February 2019 at Asan Medical Center,a tertiary university hospital in *** identify the risk factors of LNM of UDEGC meeting the expanded criteria for ESD,we performed a case-control study by matching the cases with LNM to those without at a ratio of 1:*** reviewed the clinical,endoscopic,and histologic features of the cases to identify features with a significant difference according to the presence of *** and multivariate logistic regression analyses were performed to estimate the odds ratios(ORs).RESULTS Of the 4780 UD-EGC cases,1240(25.9%)were identified to meet the expanded indication for *** the 1240 cases,14(1.1%)cases had *** the various clinical,endoscopic,and histopathological features that were evaluated,mixed histology(tumors consisting of 10%-90%of signet ring cells)had a marginally significant association(P=0.059)with the risk of ***,diffuse blurring of the muscularis mucosae(MM)underneath the tumorous epithelium,a previously unrecognized histologic feature,had a significant association with the absence of LNM(P=0.028).Multivariate logistic regression analysis showed that the blurring of MM was the only explanatory variable significantly associated with a reduced risk of LNM(OR:0.12,95%CI:0.02-0.95;P=0.045).CONCLUSION The risk of LNM is higher than expected when using the current expanded indication for *** evaluation could provide useful clues for reducing the

关键词： Gastric cancer Undifferentiated carcinoma Endoscopic submucosal dissection Lymph node metastasis

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