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A population-based case-crossover study of polyethylene glycol use and acute renal failure risk in the elderly

World Journal of Gastroenterology 2011年第5期17卷 651-656页

作者： Nam-Kyong Choi yoosoo chang Sun-Young Jung Yu-Kyong Choi Joongyub Lee Jin-Ho Lee Ju-Young Kim Byung-Joo Park Department of Preventive Medicine Seoul National University College of MedicineSeoul 110-799South Korea Medical Research Center Seoul National UniversitySeoul 110-799South Korea Department of Occupational Medicine Health Screening CenterKangbuk Samsung HospitalSungkyunkwan University College of MedicineSeoul 110-746South Korea National Evidence-Based Healthcare Collaborating Agency Seoul 110-450South Korea Department of Internal Medicine Gumi HospitalGumi 730-909South Korea Medical Research Collaborating Center Seoul National University Hospital Seoul National University College of Medicine Seoul 110-799South Korea Department of Internal Medicine Dongguk University Ilsan HospitalSchool of MedicineDongguk UniversityGoyang 410-733South Korea Department of Family Medicine Health Promotion CenterSeoul National University Bundang HospitalBundang 463-707South Korea

AIM:To evaluate the possibility of an association between polyethylene glycol(PEG) and acute renal failure(ARF) in elderly patients using a health insurance claims ***:We conducted a population-based casecrossover study using information obtained from Korean Health Insurance Review and Assessment Service(HIRA) claims from January 1,2005 to December 31,2005(Seoul,Korea).The study population consisted of elderly patients who received PEG prior to experiencing their first ARF-related hospitalization from April 1,2005 to December 31,*** each patient,one case and two control periods were *** use in a 2-or 4-wk window period prior to hospitalization for ARF was compared with PEG use in two earlier 2-or 4-wk control window *** logistic regression analysis was used to estimate odds ratios(ORs) and 95% CI,adjusting for concomitant uses of diuretics,angiotensin converting enzyme inhibitors,non-steroidal anti-inflammatory drugs,antibiotics,anti-cancer drugs,and contrast ***:Within the HIRA database which contained 1 093 262 elderly patients,1156 hospitalized ARF cases were *** these cases,PEG was prescribed to 17(1.5%) patients before *** adjusted ORs when applying the 2-and 4-wk window periods were 0.4(95% CI:0.03-5.24) and 2.1(95% CI:0.16-27.78),***:No increased risk of ARF was found in elderly PEG ***,based on the limited number of study subjects,further analysis should be performed to confirm these results.

关键词： Polyethylene glycol Acute renal failure Adverse drug reaction Health insurance claims data-base Case-crossover

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Exosome-guided direct reprogramming of tumor-associated macrophages from protumorigenic to antitumorigenic to fight cancer

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Bioactive Materials 2023年第7期25卷 527-540页

作者： Hyosuk Kim Hyun-Ju Park Hyo Won chang Ji Hyun Back Su Jin Lee Yae Eun Park Eun Hye Kim Yeonsun Hong Gijung Kwak Ick Chan Kwon Ji Eun Lee Yoon Se Lee Sang Yoon Kim yoosoo Yang Sun Hwa Kim Medicinal Materials Research Center Biomedical Research InstituteKorea Institute of Science and TechnologySeoul02792Republic of Korea Department of Functional Genomics KRIBB School of BioscienceKorea University of Science and Technology(UST)Daejeon34141Republic of Korea Department of Otolaryngology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul05505Republic of Korea Chemical&Biological Integrative Research Center Biomedical Research InstituteKorea Institute of Science and TechnologySeoul02792Republic of Korea Department of Biotechnology College of Life Sciences and BiotechnologyKorea UniversitySeoul02841Republic of Korea Department of Life Sciences Korea UniversitySeoul02841Republic of Korea

Highly immunosuppressive tumor microenvironment containing various protumoral immune cells accelerates malignant transformation and treatment *** particular,tumor-associated macrophages(TAMs),as the predominant infiltrated immune cells in a tumor,play a pivotal role in regulating the immunosuppressive tumor *** a potential therapeutic strategy to counteract TAMs,here we explore an exosome-guided in situ direct reprogramming of tumor-supportive M2-polarized TAMs into tumor-attacking M1-type *** derived from M1-type macrophages(M1-Exo)promote a phenotypic switch from anti-inflammatory M2-like TAMs toward pro-inflammatory M1-type macrophages with high conversion *** M1 macrophages possessing protein-expression profiles similar to those of classically activated M1 macrophages display significantly increased phagocytic function and robust cross-presentation ability,potentiating antitumor immunity surrounding the ***,these M1-Exo also lead to the conversion of human patient-derived TAMs into M1-like macrophages that highly express MHC class II,offering the clinical potential of autologous and allogeneic exosome-guided direct TAM reprogramming for arming macrophages to join the fight against cancer.

关键词： Exosome Cancer therapy Tumor microenvironment Tumor-associated macrophage Direct conversion

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