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Impact of Fusobacterium nucleatum in the gastrointestinal tract on natural killer cells

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World Journal of Gastroenterology 2021年第29期27卷 4879-4889页

作者： Yeon Ji Kim Bu Kyung Kim seun ja park jae Hyun Kim Institute of Gastroenterology Kosin University College of MedicineBusan 49267Spain Department of Internal Medicine Kosin University College of MedicineBusan 49267South Korea

BACKGROUND Gut microbial dysbiosis contributes to the development and progression of colorectal cancer(CRC).Natural killer(NK)cells are involved in early defense mechanisms to kill infective pathogens and tumor cells by releasing chemokines and *** better understand the relationship between the gut microbiome and CRC,it was hypothesized here that a high abundance of Fusobacterium nucleatum(***)in the gastrointestinal tract could cause reduced NK cell *** To identify associations between gastrointestinal tract *** levels and NK cell *** In vitro experiments were performed on NK cells treated with ***,Peptostreptococcus anaerobius,and Parvimonas micra to identify the effects of gut microbiome species on NK *** 24 and 48 h of treatment,NK cell counts were *** parallel studies,C57BL/6 mice were given broadspectrum antibiotics in their drinking water to reduce resident gut *** 3 wk,the mice received the various bacterial species or phosphate-buffered saline(PBS)via oral gavage every 2 d for 6 *** the study end,blood samples were acquired to perform NK cell activity assessment and cytokine *** tissues were collected and analyzed via immunohistochemistry(IHC).RESULTS The data show that after 3 wk of broad-spectrum antibiotic treatment,levels of total bacteria and *** were markedly decreased in *** of *** significantly decreased NK cell activity relative to the activities of cells from mice treated with antibiotics only and *** administration of *** decreased the proportion of NK46+cells based on IHC staining and increased the production of interleukin-1βand tumor necrosis factor-α.CONCLUSION High levels of *** in the gastrointestinal tract reduced NK cell activity in mice,and the decrease in NK cell activity might be affected by increased proinflammatory cytokines after *** treatment.

关键词： Fusobacterium nucleatum Natural killer cells Colorectal cancer

Effects of vagus nerve preservation and vagotomy on peptide YY and body weight after subtotal gastrectomy

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World Journal of Gastroenterology 2012年第30期18卷 4044-4050页

作者： Hyung Hun Kim Moo In park Sang Ho Lee Hyun Yong Hwang Sung Eun Kim seun ja park Won Moon Departments of Internal Medicine Kosin University College of MedicineBusan 602-702South Korea Departments of Surgery Kosin University College of MedicineBusan 602-702South Korea Departments of Laboratory Medicine Kosin University College of MedicineBusan 602-702South Korea

AIM:To investigate the relationship between the function of vagus nerve and peptide YY 3-36 and ghrelin levels after subtotal ***:We enrolled a total of 16 patients who underwent subtotal gastrectomy due to gastric *** surgeries were performed by a single skilled *** measured peptide YY 3-36,ghrelin,leptin,insulin,growth hormone levels,and body weight immediately before and one month after ***:Vagus nerve preservation group showed less body weight loss and less increase of peptide YY 3-36 compared with vagotomy group(-5.56 ± 2.24 kg vs-7.85 ± 1.57 kg,P = 0.037 and 0.06 ± 0.08 ng/mL vs 0.19 ± 0.12 ng/mL,P = 0.021,respectively).Moreover,patients with body weight loss of less than 10% exhibited reduced elevation of peptide YY 3-36 level,typically less than 20% [6(66.7%) vs 0(0.0%),P = 0.011,odd ratio = 3.333,95% confidence interval(1.293,8.591)].CONCLUSION:Vagus nerve preservation contributes to the maintenance of body weight after gastrectomy,and this phenomenon may be related to the suppressed activity of peptide YY 3-36.

关键词：迷走神经神经肽切除术体重胃癌 ghrelin 激素水平神经保护

Superior mesenteric vein thrombosis induced by influenza infection:A case report

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World Journal of Clinical Cases 2020年第18期8卷 4193-4199页

作者： Gyu Man Oh Kyoungwon Jung jae Hyun Kim Sung Eun Kim Won Moon Moo In park seun ja park Department of Internal Medicine Kosin University College of MedicineBusan 49267South Korea

BACKGROUND Among the various types and causes of mesenteric ischemia,superior mesenteric vein(SMV)thrombosis is a rare and ambiguous *** a patient presents with SMV thrombosis,past medical history should be reviewed,and the patient should be screened for underlying *** thrombosis may also occur due to systemic *** this report,we describe a case of SMV thrombosis complicated by influenza B *** SUMMARY A 64-year-old male visited the hospital with general weakness,muscle aches,fever,and abdominal *** patient underwent computed tomography(CT)and was diagnosed with SMV *** the patient’s muscle pain and fever could not be explained by the SMV thrombosis,the clinician performed a test for influenza,which produced a positive result for influenza *** patient had a thrombus in the SMV only,with no invasion of the portal or splenic veins,and was clinically *** treatment was prescribed without surgery or other *** follow-up CT scan showed improvement,and the patient was subsequently discharged with continued oral anticoagulant *** This case provides evidence that influenza may be a possible risk factor for SMV *** unexplained abdominal pain is accompanied by an influenza infection,examination of an abdominal CT scan may be necessary to screen for possible SMV thrombosis.

关键词： Influenza B virus Mesenteric ischemia Venous thrombosis Mesenteric vascular occlusion Influenza Human Case reports

Congenital absence of the splenic artery and splenic vein accompanied with a duodenal ulcer and deformity

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World Journal of Gastroenterology 2009年第11期15卷 1401-1403页

作者： Eun Kyung Shin Won Moon seun ja park Moo In park Kyu Jong Kim Jee Suk Lee Jin Hwan Kwon Department of Gastroenterology Kosin University College of MedicineBusanSouth Korea Department of Radiology Kosin University College of MedicineBusanSouth Korea

Congenital absence of the splenic artery is a very rare *** the best of our knowledge, congenital absence of the splenic artery accompanied with absence of the splenic vein has not been *** report a case of the absence of the splenic artery and vein in a 61-year-old woman who presented with postprandial epigastric discomfort. Upper gastrointestinal endoscopy showed a dilated, pulsatile vessel in the fundus and duodenal stenosis. An abdominal computed tomography(CT)scan revealed absence of the splenic vein with a tortuously engorged gastroepiploic ***-dimensional CT demonstrated the tortuously dilated left gastric artery and the left gastroepiploic artery with non-visualization of the splenic *** administration of a proton pump inhibitor,abdominal symptoms resolved without any recurrence of symptoms during 6 mo of follow-up.

关键词：脾动脉脾静脉十二指肠溃疡先天性消化道内窥镜检查电脑断层扫描上腹部不适胃网膜静脉

Second-line bismuth-containing quadruple therapy for Helicobacter pylori eradication and impact of diabetes

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World Journal of Gastroenterology 2017年第6期23卷 1059-1066页

作者： Sung Eun Kim Moo In park seun ja park Won Moon jae Hyun Kim Kyoungwon Jung Hae Koo Kim Young Dal Lee Department of Internal Medicine Kosin University College of MedicineBusan 49267South Korea

AIM To investigate Helicobacter pylori (H. pylori) eradication rates using second-line bismuth-containing quadruple therapy and to identify predictors of eradication *** This study included 636 patients who failed firstline triple therapy and received 7d of bismuthcontaining quadruple therapy between january 2005 and December 2015. We retrospectively demonstrated H. pylori eradication rates with respect to the year of therapy as well as demographic and clinical factors. H. pylori eradication was confirmed by a 13C-urea breath test or a rapid urease test at least 4 wk after the completion of bismuth-based quadruple therapy: proton pump inhibitor, metronidazole, bismuth, and *** The overall eradication rates by intention-to-treat analysis and per-protocol analysis were 73.9%( 95% CI : 70.1 %- 77.4%) and 94.5% (95% CI : 92.4%-96.5%), respectively. Annual eradication rates from 2005 to 2015 were 100.0%, 92.9%, 100.0%, 100.0%, 100.0%, 97.4%, 100.0%, 93.8%, 84.4%, 98.9%, and 92.5%, respectively, by per-protocol analysis. A multivariate analysis showed that diabetes mellitus (OR=3.99, 95%CI: 1.56-10.20, P=0.004)was associated with H. pylori eradication therapy *** The second-line bismuth-containing quadruple therapy for H. pylori infection is still effective in Korea, and diabetes mellitus is suggested to be a risk factor for eradication failure.

关键词： Helicobacter pylori 疾病根除治疗失败铋糖尿病 mellitus

Ischemic colitis after mesotherapy combined with anti-obesity medications

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World Journal of Gastroenterology 2010年第12期16卷 1537-1540页

作者： Jong Bin Kim Won Moon seun ja park Moo In park Kyu-Jong Kim jae Nam Lee Seong Joo Kang Lee La jang Hee Kyung Chang Department of Internal Medicine Kosin University College of Medicine Department of Pathology Kosin University College of Medicine

Mesotherapy and anti-obesity medications are gradually gaining worldwide popularity for purposes of body contouring and weight *** adverse effects are various,but there is a tendency to disregard *** colitis is one of the most common diseases associated with non-obstructive blood vessel ***,there have been no case reports about the adverse effects resulting from mesotherapy only or in combination with anti-obesity *** report on an interesting case of ischemic colitis after mesotherapy combined with anti-obesity medications in a 39-year-old female who had no risk factors.

关键词： Mesotherapy Anti-obesity medications Adverse effects Ischemic colitis

Assessment of colon polyp morphology: Is education effective?

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World Journal of Gastroenterology 2017年第34期23卷 6281-6286页

作者： jae Hyun Kim Kyoung Sik Nam Hye Jung Kwon Youn Jung Choi Kyoungwon Jung Sung Eun Kim Won Moon Moo In park seun ja park Division of Gastroenterology Department of Internal MedicineKosin University College of Medicine

AIM To determine the inter-observer variability for colon polyp morphology and to identify whether education can improve agreement among *** For purposes of the tests, we recorded colonoscopy video clips that included scenes visualizing the polyps. A total of 15 endoscopists and 15 nurses participated in the study. Participants watched 60 video clips of the polyp morphology scenes and then estimated polyp morphology(pre-test). After education for 20 min, participants performed a second test in which the order of 60 video clips was changed(post-test). To determine if the effectiveness of education was sustained, four months later, a third, follow-up test was performed with the same *** The overall Fleiss' kappa value of the inter-observer agreement was 0.510 in the pre-test, 0.618 in the post-test, and 0.580 in the follow-up test. The overall diagnostic accuracy of the estimation for polyp morphology in the pre-, post-, and follow-up tests was 0.662, 0.797, and 0.761, respectively. After education, the inter-observer agreement and diagnostic accuracy of all participants improved. However, after four months, the inter-observer agreement and diagnostic accuracy of expert groups were markedly decreased, and those of beginner and nurse groups remained similar to pre-test levels. CONCLUSION The education program used in this study can improve inter-observer agreement and diagnostic accuracy in assessing the morphology of colon polyps; it is especially effective when first learning endoscopy.

关键词：冒号息肉形态学教育

Bevacizumab as a second- or later-line of treatment for metastatic colorectal cancer

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World Journal of Gastroenterology 2012年第10期18卷 1104-1109页

作者： Lee Chun park Ho Sup Lee Seong Hoon Shin seun ja park Moo In park Sung Yong Oh Hyuk Chan Kwon Jin ho Baek Young Jin Choi Myoung Joo Kang Yang Soo Kim Department of Internal Medicine Kosin University College of Medicine Busan 602-703 South Korea Department of Internal Medicine Dong-A University Hospital Busan 602-715 South Korea Jin ho Baek Department of Internal Medicine Ulsan University Hospital Ulsan 682-714 South Korea Department of Internal Medicine Busan National University Hospital Busan 626-770 South Korea Department of Internal Medicine Busan Paik Hospital Busan 614-735 South Korea

AIM: To determine the efficacy of bevacizumab in patients with metastatic colorectal cancer (MCRC) who have failed prior chemotherapy without bevacizumab. METHODS: Between March 2002 and June 2010, 40 patients in South Korea with MCRC who were treated with bevacizumab plus chemotherapy as a second or later-line treatment were analyzed retrospectively for their overall response rate (ORR), overall survival (OS), and progression-free survival (PFS). The tumor responses were assessed using the RECIST (Response Evaluation Criteria in Solid Tumors) guidelines. RESULTS: All of the patients had progressed under prior chemotherapy without bevacizumab. Three patients (7.5%) exhibited an ORR, twenty one patients (52.5%) exhibited stable disease (SD), and fifteen patients (37.5%) exhibited disease progression. The median duration of the OS and PFS were 14.0 and 6.13 mo respectively. The median OSs were 16.60, 14.07 and 13.00 mo for second-line, third-line and fourth- or later-line treatments, respectively. The median PFSs were 7.23, 7.30 and 3.87 mo for the second-line, third-line and fourth- or later-line treatments, respectively. CONCLUSION: In patients with MCRC, bevacizumab combined chemotherapy may be beneficial during second- or later-line treatment.

关键词：转移性单抗治疗结直肠癌中位数 mCRC MCRC 评价标准

Prognostic significance of the neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio in patients with stage Ⅲ and Ⅳcolorectal cancer

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World Journal of Gastroenterology 2017年第3期23卷 505-515页

作者： jae Hyun Kim Jun Yeop Lee Hae Koo Kim Jin Wook Lee Sung Gyu Jung Kyoungwon Jung Sung Eun Kim Won Moon Moo In park seun ja park Division of Gastroenterology Department of Internal MedicineKosin University College of MedicineBusan 602-702South Korea

AIM To evaluate the prognostic value of the neutrophil-tolymphocyte ratio(NLR) and platelet-to-lymphocyte ratio(PLR) in patients with colorectal cancer(CRC).METHODS Between April 1996 and December 2010, medical records from a total of 1868 patients with CRC were retrospectively reviewed. The values of simple inflammatory markers including NLR and PLR in predicting the long-term outcomes of these patients were evaluated using Kaplan-Meier curves and Cox regression *** The median follow-up duration was 46 mo(interquartile range, 22-73). The estimation of NLR and PLR was based on the time of diagnosis. In multivariate Cox regression analysis, high NLR (≥ 3.0) and high PLR(≥ 160) were independent risk factors predicting poor long-term outcomes in patients with stage Ⅲ and Ⅳ CRC. However, high NLR and high PLR were not prognostic factors in patients with stage Ⅰ and Ⅱ *** In this study, we identified that high NLR (≥ 3.0) and high PLR (≥ 160) are useful prognostic factors to predict long-term outcomes in patients with stage Ⅲ and Ⅳ CRC.

关键词： Colorectal cancer Neutrophil Lymphocyte Platelet Prognosis