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Colonic J-pouch anal anastomosis after ultralow anterior resection with upper sphincter excision for low-lying rectal cancer

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World Journal of Gastroenterology 2005年第17期11卷 2570-2573页

作者： Jae-Gahb Park min Ro Lee Seok-Byung Lim Chang Won Hong Sang Nam Yoon Sung-Bum Kang seung Chul Heo seung-Yong Jeong Kyu Joo Park Department of Surgery Seoul National University College of Medicine 28 Yongon-dongChongno-guSeoul 110-744Korea Cancer Research Institute and Cancer Research CenterSeoul National University28 Yongon-dongChongno-guSeoul 110-744Korea Research Institute and HospitalNational Cancer Center809 Madu-dongIlsan-guGoyangGyeonggi 411-764Korea Department of Surgery Seoul National University College of Medicine 28 Yongon-dongChongno-guSeoul 110-744Korea Research Institute and Hospital National Cancer Center 809 Madu-dongIlsan-guGoyangGyeonggi 411-764Korea

AIM:There is some evidence of functional superiority of colonic J-pouch over straight coloanal anastomosis (CM) in ultralow anterior resection (ULAR) or intersphincteric resection. On the assumption that colonic J-pouch anal anastomosis is superior to straight CM in ULAR with upper sphincter excision (USE: excision of the upper part of the internal sphincter) for low-lying rectal cancer, we compare functional outcome of colonic J-pouch vsthe straight CM. METHODS: Fifty patients of one hundred and thirty-three rectal cancer patients in whom lower margin of the tumors were located between 3 and 5 cm from the anal verge received ULAR including USE from September 1998 to January 2002. Patients were randomized for reconstruction using either a straight (n = 26) or a colonic J-pouch anastomosis (n = 24) with a temporary diverting-loop ileostomy. All patients were followed-up prospectively by a standardized questionnaire [Fecal Inco-ntinence Severity Index (FISI) scores and Fecal Incontinence Quality of Life (FIQL) scales]. RESULTS: We found that, compared to straight anastomosis patients, the frequency of defecation was significantly lower in J-pouch anastomosis patients for 10 mo after ileostomy takedown. The FISI scores and FIQL scales were significantly better in J-pouch patients than in straight patients at both 3 and 12 mo after ileostomy takedown. Furthermore, we found that FISI scores highly correlated with FIQL scales. CONCLUSION: This study indicates that colonic J-pouch anal anastomosis decreases the severity of fecal incontinence and improves the quality of life for 10 mo after ileostomy takedown in patients undergoing ULAR with USE for low-lying rectal cancer.

关键词： Upper sphincter excision Ultralow anterior resection Coloanal anastomosis Rectal cancer

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Therapeutic strategy targeting host lipolysis limits infection by SARS-CoV-2 and influenza A virus

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Signal Transduction and Targeted Therapy 2022年第11期7卷 4223-4234页

作者： Yeong-Bin baek Hyung-Jun Kwon Muhammad Sharif Jeongah Lim In-Chul Lee Young Bae Ryu Jae-In Lee Ji-Sun Kim Young-seung Lee Dong-Hoon Kim Sang-Ik Park Don-Kyu Kim Jeong-Sun Kim Hyon EChoy Sunwoo Lee Hueng-Sik Choi Timothy FOsborne Tae-Il Jeon Kyoung-Oh Cho Laboratory of Veterinary Pathology College of Veterinary MedicineChonnam National UniversityGwangju61186Republic of Korea Functional Biomaterial Research Center Korea Research Institute of Bioscience&BiotechnologyJeongeup-siJeollabuk-do56212Republic of Korea Department of Chemistry Chonnam National UniversityGwangju61186Republic of Korea Korean Collection for Type Cultures Korea Research Institute of Bioscience&BiotechnologyJeongeup-siJeollabuk-do56212Republic of Korea Department of Animal Science Chonnam National UniversityGwangju61186Republic of Korea Department of Pharmacology Korea University College of MedicineSeoul02841Republic of Korea Department of Integrative Food Bioscience and BiotechnologyChonnam National UniversityGwangju61186Republic of Korea Department of Microbiology Chonnam National University Medical SchoolGwangju61486Republic of Korea School of Biological Sciences and Technology Chonnam National UniversityGwangju61186Republic of Korea Institute for Fundamental Biomedical Research Department of Medicine and Biological ChemistryJohns Hopkins University School of MedicineSt.PetersburgFL33701USA

The biosynthesis of host lipids and/or lipid droplets(LDs)has been studied extensively as a putative therapeutic target in diverse viral ***,directly targeting the LD lipolytic catabolism in virus-infected cells has not been widely ***,we show the linkage of the LD-associated lipase activation to the breakdown of LDs for the generation of free fatty acids(FFAs)at the late stage of diverse RNA viral infections,which represents a broad-spectrum antiviral *** of membrane transporter systems due to virus-induced cell injury results in intracellular malnutrition at the late stage of infection,thereby making the virus more dependent on the FFAs generated from LD storage for viral morphogenesis and as a source of *** replication of SARS-CoV-2 and influenza A virus(IAV),which is suppressed by the treatment with LD-associated lipases inhibitors,is rescued by supplementation with *** administration of lipase inhibitors,either individually or in a combination with virus-targeting drugs,protects mice from lethal IAV infection and mitigates severe lung lesions in SARS-CoV-2-infected ***,the lipase inhibitors significantly reduce proinflammatory cytokine levels in the lungs of SARS-CoV-2-and IAV-challenged animals,a cause of a cytokine storm important for the critical infection or mortality of COVID-19 and IAV *** conclusion,the results reveal that lipase-mediated intracellular LD lipolysis is commonly exploited to facilitate RNA virus replication and furthermore suggest that pharmacological inhibitors of LD-associated lipases could be used to curb current COVID-19-and future pandemic outbreaks of potentially troublesome RNA virus infection in humans.

关键词： linkage furthermore thereby

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Analysis of recent climate change over the Arctic using ERA-Interim reanalysis data

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Advances in Polar Science 2013年第4期24卷 326-338页

作者： Seong-Joong Kim Hye-Sun Choi baek-min Kim Sang-Jong Park Taehyoun Shim Joo-Hong Kim Korea Polar Research Institute KIOSTIncheon 406-840Korea

This study investigates recent climate change over the Arctic and its link to the mid-latitudes using the ERA-Interim global atmospheric reanalysis data from the European Center for Medium-Range Weather Forecast （ECMWF）. Since 1979, sub- stantial surface warming, associated with the increase in anthropogenic greenhouse gases, has occurred over the Arctic. The great- est warming in winter has taken place offshore in the Kara-Barents Sea, and is associated with the increase in turbulent heat fluxes from the marginal ice zone. In contrast to the marked warming over the Arctic Ocean in winter, substantial cooling appears over Siberia and eastern Asia, linked to the reduction of Arctic sea ice during the freezing season （September-March）. However, in summer, very little change is observed in surface air temperature over the Arctic because increased radiative heat melts the sea ice and the amount of turbulent heat gain from the ocean is relatively small. The heat stored in the upper ocean mixed layer in summer with the opening of the Arctic Ocean is released back to the atmosphere as turbulent heat fluxes during the autumn and through to the following spring. This warming of the Arctic and the reduced sea ice amplifies surface cooling over Siberia and eastern Asia in winter.

关键词： Arctic climate Arctic sea ice cold surge surface temperature sea surface temperature Arctic Oscillation

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一种经氟化和热处理在双壁碳纳米管上生成缺陷的方法(英文)

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催化学报 2014年第6期35卷 864-868页

作者： Hiroyuki Muramatsu Kazunori Fujisawa Yong-Il Ko Kap-seung Yang Takuya Hayashi Morinobu Endo Cheol-min Yang Yong Chae Jung Yoong Ahm Kim Faculty of Engineering Shinshu University 4-17-1 Wakasato Nagano 380-8553 Japan School of Polymer Science and Engineering Chonnam National University 77 Yongbong-ro Buk-gu 500-757 Gwangju Korea Institute of Carbon Science and Technology Shinshu University 4-17-1 Wakasato Nagano 380-8553 Japan Institute of Advanced Composite Materials Korea Institute of Science and Technology Chudong-ro 92 Bongdong-eup Wanju-gun Jeonbuk 565-905 Korea

Nanoscale defects in the outer tube to preserve the electrical and optical features of the inner tube can be engineered to exploit the intrinsic properties of double walled carbon nanotubes (DWCNTs) for various promising applications. We demonstrated a selective way to make defects in the outer tube by the fluorination of DWCNTs followed by the thermal detachment of the F atoms at 1000 °C in argon. Fluorinated DWCNTs with different amounts of F atoms were prepared by reacting with fluorine gas at 25, 200, and 400 °C that gave the stoichiometry of CF0.20, CF0.30, and CF0.43, respectively. At the three different temperatures used, we observed preservation of the coaxial morphology in the fluorinated DWCNTs. For the DWCNTs fluorinated at 25 and 200 °C, the strong radial breathing modes (RBMs) of the inner tube and weakened RBMs of the outer tube indicated selective fluorine attachment onto the outer tube. However, the disappearance of the RBMs in the Raman spectrum of the DWCNTs fluorinated at 400 °C showed the introduction of F atoms onto both inner and outer tubes. There was no significant change in the morphology and optical properties when the DWCNTs fluorinated at 25 and 200 °C were thermally treated at 1000 °C in argon. However, in the case of the DWCNTs fluorinated at 400 °C, the recovery of strong RBMs from the inner tube and weakened RBMs from the outer tube indicated the selective introduction of substantial defects on the outer tube while preserving the original tubular shape. The thermal detachment of F atoms from fluorinated DWCNTs is an efficient way to make highly defective outer tubes for preserving the electrical conduction and optical activity of the inner tubes.

关键词：双壁碳纳米管热处理氟化缺陷光学特性 F原子化学计量呼吸模式

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Cell-type continuous electromagnetic radiation system generating millimeter waves for active denial system applications

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Defence Technology（防务技术） 2022年第10期18卷 1895-1913页

作者： Sun-Hong min Ohjoon Kwon Matlabjon Sattorov Seontae Kim In-Keun baek seunghyuk Park Ranjan Kumar Barik Anirban Bera Dongpyo Hong Seonmyeong Kim Bong Hwan Hong Chawon Park Sukhwal Ma minho Kim Kyo Chul Lee Yong Jin Lee Han Byul Kwon Young Joon Yoo Sang Yoon Park Gun-Sik Park Korea Institute of Radiological and Medical Sciences(KIRAMS) Seoul01812South Korea Institute for Basic Science Center for Axion and Precision Physics ResearchDaejeon34141South Korea Center for THz-Driven Biomedical Systems Department of Physics and AstronomyCollege of Natural SciencesSeoul National UniversitySeoul08826South Korea Center for Applied Electromagnetic Research Advanced Institute of Convergence TechnologySuwonGyeonggi-do16229South Korea R&D Department Seoul-TeracomInc.Suwon16229South Korea Mechatronics R&D Center Samsung Electronics Co.Ltd.Hwasung18448South Korea Hanwha Corporation Gumi730-030South Korea Council of Scientific and Industrial Research Central Electronics Engineering Research InstitutePilani333031India Home Economics Education/Biosystems and Biomedical Sciences Korea UniversitySeoul02841South Korea Current affiliation of Seontae Kim:Young IN ACE 1 F60Anyangcheondong-roDongan-guAnyang-siGyeonggi-do14042South Korea.

The cell-type continuous electromagnetic radiation system is a demonstration device capable of generating high-power millimeter electromagnetic waves of a specific wavelength and observing their effects on living *** irradiates a biological sample placed in a 30×30×50 cm^(3)cell with electromagnetic waves in the 3.15-mm-wavelength region(with an output of≥1 W)and analyzes the temperature change of the sample.A vacuum electronic device-based coupled-cavity backward-wave oscillator converts the electron energy of the electron beam into radiofrequency(RF)energy and radiates it to the target through an antenna,increasing the temperature through the absorption of RF energy in the *** system causes pain and ultimately reduces combat power.A cell-type continuous electromagnetic radiation system consisting of four parts—an electromagnetic-wave generator,a highvoltage power supply,a test cell,and a system controller—generates an RF signal of≥1 W in a continuous waveform at a 95-GHz center frequency,as well as a chemical solution with a dielectric constant similar to that of the skin of a living *** increase of 5°C lasting approximately 10 s was confirmed through an experiment.

关键词： Millimeter waves Terahertz waves Coupled-cavity backward wave oscillator(CCBWO) Cell-type continuous electromagnetic radiation Active denial system(ADS) Directed-energy weapon(DEW)

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Differences in body components and electrical characteristics between youth soccer players and non-athletes

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Health 2013年第6期5卷 1010-1015页

作者： seung-min Yang Won-Deok Lee Ju-Hyun Kim Mee-Young Kim Junghwan Kim Department of Physical Therapy College of Public Health & Welfare Yongin University Yongin South Korea Laboratory of Health Science & Nanophysiotherapy Department of Physical Therapy Graduate Scool Yongin University Yongin South Korea

Many previous studies have focused on youth soccer player injuries without body component analysis compared to non-athletes. Only a few studies which have investigated body components of youth soccer players, and studies that look at electrical characteristics used by rheobase and chronaxie as well as body components are even scarcer. Therefore, we feel that there is a need for a study investigating objective clinical analysis of the body components (body structure and body composition) and electrical characteristics of both youth soccer players and non-athletes. Sixty subjects participated in our study, comprising of thirty youth soccer players and thirty non-athletes. The Inbody 520 was used to measure and analyze body composition and the Duo 500 was employed to measure electrical characteristics. It was observed that the soccer players showed markedly lower total impedance compared to the non-athletes. In both legs, it was particularly noted that there were significant differences between the right and left sides. The soccer players showed a higher skeletal muscle mass and lean/ideal lean × 100% compared to the non-athletes. Furthermore, the soccer players had a lower rheobase and higher chronaxie. A comparison of the genders showed a similar pattern. In this study, we were able to separate the differences in body components and electrical characteristics between the subject groups using a systemic approach. Future studies on diverse types of athletes would contribute further to the development of clinical physiotherapy and sports rehabilitation.

关键词： Body Components Electrical Characteristics Youth Soccer Players

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Periodontitis combined with smoking increases risk of the ulcerative colitis: A national cohort study

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World Journal of Gastroenterology 2020年第37期26卷 5661-5672页

作者： Eun Ae Kang Jaeyoung Chun Jee Hyun Kim Kyungdo Han Hosim Soh Seona Park seung Wook Hong Jung min Moon Jooyoung Lee Hyun Jung Lee Jun-Beom Park Jong Pil Im Joo Sung Kim Department of Internal Medicine and Institute of Gastroenterology Yonsei University College of MedicineSeoul 03722South Korea Department of Internal Medicine Gangnam Severance HospitalYonsei University College of MedicineSeoul 06229South Korea Department of Internal Medicine Bundang CHA Medical CenterCHA University School of MedicineSeoul 13496South Korea Department of Statistics and Actuarial Science Soongsil UniversitySeoul 06978South Korea Department of Internal Medicine and Liver Research Institute Seoul National University College of MedicineSeoul 03080South Korea Department of Periodontics the Catholic University of Korea College of MedicineSeoul 06591South Korea

BACKGROUND Periodontitis is a chronic inflammation of periodontal *** effect of periodontitis on the development of inflammatory bowel disease(IBD)remains *** To assessed the risk of IBD among patients with periodontitis,and the risk factors for IBD related to *** A nationwide population-based cohort study was performed using claims data from the Korean National Healthcare Insurance *** total,9950548 individuals aged≥20 years who underwent national health screening in 2009 were *** diagnosed IBD[Crohn’s disease(CD),ulcerative colitis(UC)]using the International Classification of Disease 10th revision and rare intractable disease codes,was compared between the periodontitis and nonperiodontitis groups until *** A total of 1092825 individuals(11.0%)had *** was significantly associated with older age,male gender,higher body mass index,quitting smoking,not drinking alcohol,and regular *** mean age was 51.4±12.9 years in the periodontitis group and 46.6±14.2 years in the nonperiodontitis group(P<0.01),*** mean body mass index was 23.9±3.1 and 23.7±3.2 in the periodontitis and non-periodontitis groups,respectively(P<0.01).Men were 604307(55.3%)and 4844383(54.7%)in the periodontitis and non-periodontitis groups,*** mean follow-up duration was 7.26 *** with periodontitis had a significantly higher risk of UC than those without periodontitis[adjusted hazard ratio:1.091;95%confidence interval(CI):1.008-1.182],but not CD(adjusted hazard ratio:0.879;95%confidence interval:0.731-1.057).The risks for UC were significant in the subgroups of age≥65 years,male gender,alcohol drinker,current smoker,and reduced physical *** smokers aged≥65 years with periodontitis were at a 1.9-fold increased risk of UC than non-smokers aged≥65 years without *** Periodontitis was significantly associated with the risk of developing UC,b

关键词： Inflammatory bowel disease Periodontitis Smoking Ulcerative colitis Crohn’s disease

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Early expressions of hypoxia-inducible factor 1alpha and vascular endothelial growth factor increase the neuronal plasticity of activated endogenous neural stem cells after focal cerebral ischemia

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Neural Regeneration Research 2014年第9期9卷 912-918页

作者： seung Song Jong-Tae Park Joo Young Na Man-Seok Park Jeong-Kil Lee min-Cheol Lee Hyung-Seok Kim Department of Forensic Medicine Chonnam National University Medical School Department of Neurology Chonnam National University Medical School Department of Neurosurgery Chonnam National University Medical School Department of Pathology Chonnam National University Medical School

Endogenous neural stem cells become ＂activated＂ after neuronal injury, but the activation sequence and fate of endogenous neural stem cells in focal cerebral ischemia model are little known. We evaluated the relationships between neural stem cells and hypoxia-inducible factor-1α and vascular endothelial growth factor expression in a photothromobotic rat stroke model using immunohistochemistry and western blot analysis. We also evaluated the chronological changes of neural stem cells by 5-bromo-2′-deoxyuridine（BrdU） incorporation. Hypoxia-inducible factor-1α expression was initially increased from 1 hour after ischemic injury, followed by vascular endothelial growth factor expression. Hypoxia-inducible factor-1α immunoreactivity was detected in the ipsilateral cortical neurons of the infarct core and peri-infarct area. Vascular endothelial growth factor immunoreactivity was detected in bilateral cortex, but ipsilateral cortex staining intensity and numbers were greater than the contralateral cortex. Vascular endothelial growth factor immunoreactive cells were easily found along the peri-infarct area 12 hours after focal cerebral ischemia. The expression of nestin increased throughout the microvasculature in the ischemic core and the peri-infarct area in all experimental rats after 24 hours of ischemic injury. Nestin immunoreactivity increased in the subventricular zone during 12 hours to 3 days, and prominently increased in the ipsilateral cortex between 3–7 days. Nestin-labeled cells showed dual differentiation with microvessels near the infarct core and reactive astrocytes in the peri-infarct area. BrdU-labeled cells were increased gradually from day 1 in the ipsilateral subventricular zone and cortex, and numerous BrdU-labeled cells were observed in the peri-infarct area and non-lesioned cortex at 3 days. BrdU-labeled cells rather than neurons, were mainly co-labeled with nestin and GFAP. Early expressions of hypoxia-inducible factor-1α and vascular endothelial gr

关键词： nerve regeneration brain ischemia neural stem cell neural precursor cell hypoxia-inducible factor 1α vascular endothelial growth factor microenvironment photothrombosis neural regeneration

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Comparison of the rheological properties of four root canal sealers

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International Journal of Oral Science 2015年第1期7卷 56-61页

作者： Seok Woo Chang Young-Kyu Lee Qiang Zhu Won Jun Shon Woo Cheol Lee Kee Yeon Kum seung Ho baek In Bog Lee Bum-Soon Lim Kwang Shik Bae Department of Conservative Dentistry School of Dentistry Kyung Hee University National Instrumentation Center for Environmental Management Seoul National University Department of Endodontology School of Dental Medicine University of Connecticut Health Center Department of Conservative Dentistry Dental Research Institute School of Dentistry Seoul National University Dental Hospital Seoul National University Dental Research Institute and Department of Dental Biomaterials School of Dentistry Seoul National University

The flowability of a root canal sealer is clinically important because it improves the penetration of the sealer into the complex root canal system. The purpose of this study was to compare the flowabilities of four root canal sealers, measured using the simple press method （ISO 6876）, and their viscosities, measured using a strain-controlled rheometer. A newly developed, calcium phosphate-based root canal sealer （Capseal） and three commercial root canal sealers （AH Plus, Sealapex and Pulp Canal Sealer EWT） were used in this study. The flowabilities of the four root canal sealers were measured using the simple press method （n= 5） and their viscosities were measured using a strain-controlled rheometer （n=5）. The correlation between these two values was statistically analysed using Spearman＇s correlation test. The flow diameters and the viscosities of the root canal sealers were strongly negatively correlated （p= -0.8618）. The viscosity of Pulp Canal Sealer EWT was the lowest and increased in the following order： AH Plus〈Sealapex〈Capseal （P〈0.05）. All of the tested root canal sealers showed characteristic time- and temperature-dependent changes in their rheological properties. The viscosities measured using the strain-controlled rheometer were more precise than the flowabilities measured using the simple press method, suggesting that the rheometer can accurately measure the rheological properties of root canal sealers.

关键词： Capseal rheological property root canal sealer strain-controlled rheometer

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Phytogenic feed additives alleviate pathogenic Escherichia coli-induced intestinal damage through improving barrier integrity and inhibiting inflammation in weaned pigs

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Journal of Animal Science and Biotechnology 2023年第1期14卷 295-306页

作者： Se Yeon Chang min Ho Song Ji Hwan Lee Han Jin Oh Yong Ju Kim Jae Woo An Young Bin Go Dong Cheol Song Hyun AhCho seung Yeol Cho Dong Jun Kim Mi Suk Kim Hyeun Bum Kim Jin Ho Cho Department of Animal Science Chungbuk National UniversityCheongju 28644South Korea. Division of Animal and Dairy Science Chungnam National UniversityDaejeon 34134South Korea. Eugene-Bio Suwon 16675South Korea. Department of Animal Resources Science Dankook UniversityCheonan 31116South Korea.

Background:This study was conducted to investigate the effects of each phytogenic feed additive(PFA;PFA1,bitter citrus extract;PFA2,a microencapsulated blend of thymol and carvacrol;PFA3,a mixture of bitter citrus extract,thymol,and carvacrol;PFA4,a premixture of grape seed,grape marc extract,green tea,and hops;PFA5,fenugreek seed powder)on the growth performance,nutrient digestibility,intestinal morphology,and immune response in weaned pigs infected with Escherichia coli(***).Results:A total of 634-week-old weaned pigs were placed in individual metabolic cages and assigned to seven treatment *** seven treatments were as follows:1)NC;basal diet without *** challenge,2)PC;basal diet with *** challenge,3)T1;PC+0.04%PFA1,4)T2;PC+0.01%PFA2,5)T3;PC+0.10%PFA3,6)T4;PC+0.04%PFA4,7)T5;PC+0.10%*** experiments lasted in 21 d,including 7 d before and 14 d after the first *** *** the *** challenge treatments,all pigs were orally inoculated by dividing a total of 10 mL of *** F18 for 3 consecutive *** PFA-added groups significantly increased(P<0.05)average daily gain and feed efficiency and decreased(P<0.05)the fecal score at d 0 to 14 post-inoculation(PI).Tumor necrosis factorαwas significantly lower(P<0.05)in the PFA-added groups except for T1 in d 14 PI compared to the PC *** T3 had a higher(P<0.05)immunoglobulin G and immunoglobulin A concentration compared to the PC treatment at d 7 ***,T3 showed significantly higher(P<0.05)villus height:crypt depth and claudin 1 expression in ileal mucosa,and significantly downregulated(P<0.05)the expression of calprotectin compared to the PC ***:Supplementation of PFA in weaned pigs challenged with *** alleviated the negative effects of *** and improved growth *** them,the mixed additive of bitter citrus extract,thymol,and carvacrol showed the most effective results,improving immune response,intestinal morphology,and expression of tight junction

关键词： Barrier integrity Escherichia coli Immunity Phytogenic feed additive Post-weaning diarrhea Weaned pigs

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