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Han DG, Huang C, Liu W. Duodenal and jejunal involvement by IgA vasculitis. Am J Med Sci 2024; 367:e69-e70. [PMID: 38301825 DOI: 10.1016/j.amjms.2024.01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/03/2024]
Affiliation(s)
- Dong-Ge Han
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Digestive Disease, China Three Gorges University, Yichang, China; Department of Gastroenterology, Yichang Central People's Hospital, Yichang, China
| | - Can Huang
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Digestive Disease, China Three Gorges University, Yichang, China; Department of Gastroenterology, Yichang Central People's Hospital, Yichang, China
| | - Wei Liu
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Digestive Disease, China Three Gorges University, Yichang, China; Department of Gastroenterology, Yichang Central People's Hospital, Yichang, China.
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Bolduc DL, Cary LH, Kiang JG, Kurada L, Kumar VP, Edma SA, Olson MG, Vergara VB, Bistline DD, Reese M, Kenchegowda D, Hood M, Korotcov A, Jaiswal S, Blakely WF. Natural-history Characterization of a Murine Partial-body Irradiation Model System: Establishment of a Multiple-Parameter Based GI-ARS Severity-Scoring System. Radiat Res 2024; 201:406-417. [PMID: 38319684 DOI: 10.1667/rade-23-00132.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 12/15/2023] [Indexed: 02/07/2024]
Abstract
The purpose of this investigation was to characterize the natural history of a murine total-abdominal-irradiation exposure model to measure gastrointestinal acute radiation injury. Male CD2F1 mice at 12 to 15 weeks old received total-abdominal irradiation using 4-MV linear accelerator X-rays doses of 0, 11, 13.5, 15, 15.75 and 16.5 Gy (2.75 Gy/min). Daily cage-side (i.e., in the animal housing room) observations of clinical signs and symptoms including body weights on all animals were measured up to 10 days after exposure. Jejunum tissues from cohorts of mice were collected at 1, 3, 7 and 10 days after exposure and radiation injury was assessed by histopathological analyses. Results showed time- and dose-dependent loss of body weight [for example at 7 days: 0.66 (±0.80) % loss for 0 Gy, 6.40 (±0.76) % loss at 11 Gy, 9.43 (±2.06) % loss at 13.5 Gy, 23.53 (± 1.91) % loss at 15 Gy, 29.97 (±1.16) % loss at 15.75 Gy, and 31.79 (±0.76) % loss at 16.5 Gy]. Negligible clinical signs and symptoms, except body weight changes, of radiation injury were observed up to 10 days after irradiation with doses of 11 to 15 Gy. Progressive increases in the severity of clinical signs and symptoms were found after irradiation with doses >15 Gy. Jejunum histology showed a progressive dose-dependent increase in injury. For example, at 7 days postirradiation, the percent of crypts, compared to controls, decreased to 82.3 (±9.5), 69.2 (±12.3), 45.4 (±11.9), 18.0 (±3.4), and 11.5 (± 1.8) with increases in doses from 11 to 16.5 Gy. A mucosal injury scoring system was used that mainly focused on changes in villus morphology damage (i.e., subepithelial spaces near the tips of the villi with capillary congestion, significant epithelial lifting along the length of the villi with a few denuded villus tips). Peak levels of total-abdominal irradiation induced effects on the mucosal injury score were seen 7 days after irradiation for doses ≥15 Gy, with a trend to show a decline after 7 days. A murine multiple-parameter gastrointestinal acute-radiation syndrome severity-scoring system was established based on clinical signs and symptoms that included measures of appearance (i.e., hunched and/or fluffed fur), respiratory rate, general (i.e., decreased mobility) and provoked behavior (i.e., subdued response to stimulation), weight loss, and feces/diarrhea score combined with jejunum mucosal-injury grade score. In summary, the natural-history radio-response for murine partial-body irradiation exposures is important for establishing a well-characterized radiation model system; here we established a multiple-parameter gastrointestinal acute-radiation syndrome severity-scoring system that provides a radiation injury gastrointestinal tissue-based assessment utility.
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Affiliation(s)
- David L Bolduc
- Scientific Research Department, Armed Forces Radiobiology Research Institute
| | - Lynnette H Cary
- Scientific Research Department, Armed Forces Radiobiology Research Institute
- Pharmacology and Molecular Therapeutics
| | - Juliann G Kiang
- Scientific Research Department, Armed Forces Radiobiology Research Institute
- Pharmacology and Molecular Therapeutics
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Lalitha Kurada
- Scientific Research Department, Armed Forces Radiobiology Research Institute
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Rockville, Maryland
| | - Vidya P Kumar
- Scientific Research Department, Armed Forces Radiobiology Research Institute
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Rockville, Maryland
| | - Sunshine A Edma
- Scientific Research Department, Armed Forces Radiobiology Research Institute
| | - Matthew G Olson
- Scientific Research Department, Armed Forces Radiobiology Research Institute
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Rockville, Maryland
| | - Vernieda B Vergara
- Scientific Research Department, Armed Forces Radiobiology Research Institute
| | - Dalton D Bistline
- Scientific Research Department, Armed Forces Radiobiology Research Institute
| | - Mario Reese
- Scientific Research Department, Armed Forces Radiobiology Research Institute
| | - Doreswamy Kenchegowda
- Scientific Research Department, Armed Forces Radiobiology Research Institute
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Rockville, Maryland
| | - Maureen Hood
- Biomedical Research Imaging Core at Uniformed Services University of the Health Sciences, Bethesda, Maryland
- Department of Radiology & Radiological Sciences, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Alexandru Korotcov
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Rockville, Maryland
- Biomedical Research Imaging Core at Uniformed Services University of the Health Sciences, Bethesda, Maryland
- Department of Radiology & Radiological Sciences, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Shalini Jaiswal
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Rockville, Maryland
- Biomedical Research Imaging Core at Uniformed Services University of the Health Sciences, Bethesda, Maryland
- Department of Radiology & Radiological Sciences, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - William F Blakely
- Scientific Research Department, Armed Forces Radiobiology Research Institute
- Preventive Medicine and Statistics, Uniformed Services of the Health Sciences, Bethesda, Maryland
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Han DG, Tan N, Liu W. Gastrointestinal bleeding by jejunal myoepithelial hamartoma. Dig Liver Dis 2024; 56:901-902. [PMID: 38342743 DOI: 10.1016/j.dld.2024.01.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 01/08/2024] [Accepted: 01/24/2024] [Indexed: 02/13/2024]
Affiliation(s)
- Dong-Ge Han
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Digestive Disease, China Three Gorges University, Yichang, China; Department of Gastroenterology, Yichang Central People's Hospital, Yichang, China
| | - Niu Tan
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Digestive Disease, China Three Gorges University, Yichang, China; Department of Gastroenterology, Yichang Central People's Hospital, Yichang, China.
| | - Wei Liu
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Digestive Disease, China Three Gorges University, Yichang, China; Department of Gastroenterology, Yichang Central People's Hospital, Yichang, China.
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Fan X, Yu W, Wang Q, Yang H, Tan D, Yu B, He J, Zheng P, Yu J, Luo J, Luo Y, Yan H, Wang J, Wang H, Wang Q, Mao X. Protective effect of Broussonetia papyrifera leaf polysaccharides on intestinal integrity in a rat model of diet-induced oxidative stress. Int J Biol Macromol 2024; 268:131589. [PMID: 38643924 DOI: 10.1016/j.ijbiomac.2024.131589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 03/28/2024] [Accepted: 04/12/2024] [Indexed: 04/23/2024]
Abstract
This study aimed to investigate the effect of Broussonetia papyrifera polysaccharides (BPP) on the jejunal intestinal integrity of rats ingesting oxidized fish oil (OFO) induced oxidative stress. Polysaccharides (Mw 16,956 Da) containing carboxyl groups were extracted from Broussonetia papyrifera leaves. In vitro antioxidant assays showed that this polysaccharide possessed antioxidant capabilities. Thirty-two male weaned rats were allocated into two groups orally infused BPP solution and PBS for 26 days, respectively. From day 9 to day 26, half of the rats in each group were fed food containing OFO, where the lipid peroxidation can induce intestinal oxidative stress. OFO administration resulted in diarrhea, decreased growth performance (p < 0.01), impaired jejunal morphology (p < 0.05) and antioxidant capacity (p < 0.01), increased the levels of ROS and its related products, IL-1β and IL-17 (p < 0.01) of jejunum, as well as down-regulated Bcl-2/Bax (p < 0.01) and Nrf2 signaling (p < 0.01) of jejunum in rats. BPP gavage effectively alleviated the negative effects of OFO on growth performance, morphology, enterocyte apoptosis, antioxidant capacity and inflammation of jejunum (p < 0.05) in rats. In the oxidative stress model cell assay, the use of receptor inhibitors inhibited the enhancement of antioxidant capacity by BPP. These results suggested that BPP protected intestinal morphology, thus improving growth performance and reducing diarrhea in rats ingesting OFO. This protective effect may be attributed to scavenging free radicals and activating the Nrf2 pathway, which enhances antioxidant capacity, consequently reducing inflammation and mitigating intestinal cell death.
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Affiliation(s)
- Xiangqi Fan
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Wei Yu
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Qingxiang Wang
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Heng Yang
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Dayan Tan
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Bing Yu
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Jun He
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Ping Zheng
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Jie Yu
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Junqiu Luo
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Yuheng Luo
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Hui Yan
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Jianping Wang
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Huifen Wang
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Quyuan Wang
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China
| | - Xiangbing Mao
- Institute of Animal Nutrition, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Chengdu 611130, People's Republic of China.
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Sugita K, Yano K, Onishi S, Iwamoto Y, Ogata M, Takada L, Kedoin C, Masakazu M, Harumatsu T, Kawano T, Muto M, Kumagai K, Ido A, Kaji T, Ieiri S. Superiority of Intestinal Adaptation by Hepatocyte Growth Factor in the Jejunum: An Experimental Study in a Short-Bowel Rat Model. J Pediatr Surg 2024; 59:627-633. [PMID: 38160183 DOI: 10.1016/j.jpedsurg.2023.11.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 11/27/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND We evaluated the effect of recombinant human hepatocyte growth factor (rh-HGF) on intestinal adaptation in a rat model of short-bowel syndrome (SBS). METHODS Sprague-Dawley rats underwent jugular vein catheterization for continuous total parenteral nutrition (TPN) and 90 % small bowel resection. The animals were divided into 3 groups: TPN/SBS (control group, n = 7), TPN/SBS/intravenous recombinant human hepatocyte growth factor (HGF) (0.3 mg/kg/day) (HGF group, n = 7), and TPN/SBS/intravenous c-Met inhibitor (0.3 mg/kg/day) (anti-HGF group, n = 5). On day 7, rats were euthanized and histologically evaluated. Serum diamine oxidase (S-DAO) levels were evaluated using an enzyme-linked immunosorbent assay. The nutrient transporter and glucagon-like peptide-2 (GLP-2) receptor expression were evaluated using real-time polymerase chain reaction. RESULTS The jejunal and ileal villus heights were higher and the S-DAO concentrations significantly higher (p = 0.04) in the HGF group than in the control and anti-HGF groups. The sodium-dependent glucose transporter 1 expression in the HGF group was significantly higher than in the control group and significantly suppressed in the anti-HGF group (p < 0.01). The peptide transporter 1 expression in the jejunum was higher in the HGF group than in the other groups and significantly suppressed in the anti-HGF group (p < 0.01). The GLP-2 receptor expression in the jejunum was higher in the HGF group than the other groups, and it was significantly suppressed in the anti-HGF group (p < 0.01). These jejunal results regarding nutrient transporter an GLP-2 receptor were not found in the ileum. CONCLUSIONS The administration of rh-HGF appears to be more effective in the jejunum than in the ileum. TYPE OF STUDY Experimental Research. LEVEL OF EVIDENCE N/A.
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Affiliation(s)
- Koshiro Sugita
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Keisuke Yano
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Shun Onishi
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Yumiko Iwamoto
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Masato Ogata
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Lynne Takada
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Chihiro Kedoin
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Murakami Masakazu
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Toshio Harumatsu
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Takafumi Kawano
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Mitsuru Muto
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
| | - Kotaro Kumagai
- Digestive and Lifestyle Diseases, Department of Human and Environmental Sciences, School of Medical and Dental Sciences, Kagoshima University Graduate, Kagoshima, Japan
| | - Akio Ido
- Digestive and Lifestyle Diseases, Department of Human and Environmental Sciences, School of Medical and Dental Sciences, Kagoshima University Graduate, Kagoshima, Japan
| | - Tatsuru Kaji
- Department of Pediatric Surgery, Kurume University School of Medicine, Kurume, Japan
| | - Satoshi Ieiri
- Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan.
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He J, Wang J, Yang L, Wang K, Wang M, Li J. Synovial sarcoma of the viscera (lung and jejunum): a case report. J Int Med Res 2024; 52:3000605241233953. [PMID: 38534077 PMCID: PMC10981226 DOI: 10.1177/03000605241233953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/29/2024] [Indexed: 03/28/2024] Open
Abstract
We report the case of a woman nearing 70 years old who was admitted to the hospital with a complaint of "epigastric distension for 1 month". Her main signs and symptoms were progressive abdominal distension and occasional abdominal pain. Computed tomography suggested an abdominal mass. She had a surgical history of synovial sarcoma (SS) of the lungs. After admission, she was diagnosed with jejunal SS following a puncture biopsy and laparoscopic surgery. This disease usually occurs in the soft tissues of the limbs, and it is extremely rare for SS to originate in the jejunum. The morphologic heterogeneity of SS overlaps with other tumors and makes the diagnosis particularly difficult. Imaging studies usually lack specificity; however, measuring multiple immunohistochemical markers can greatly assist in the diagnosis and differential diagnosis of SS. This case not only enriches our understanding of SS and describes a rare site of origin, but also emphasizes the importance and challenges of achieving an accurate diagnosis. Immunohistochemical and molecular biological testing have important roles in the definitive diagnosis, highlighting the need for precise and innovative diagnostic and therapeutic approaches in SS.
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Affiliation(s)
- Jixin He
- Department of General Surgery, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, China
| | - Jiwei Wang
- Department of General Surgery, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, China
| | - Lina Yang
- Operation Room of the Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, China
| | - Kai Wang
- Department of Pathology, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, China
| | - Maijian Wang
- Department of General Surgery, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, China
| | - Jianguo Li
- Department of General Surgery, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, China
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Mouawad C, Dahboul H, Kazan D, Chamaa B, Osseis M, Noun R, Chakhtoura G. Adenocarcinoma of the Gastro-jejunal Anastomosis After One Anastomosis Gastric Bypass. J Gastrointest Cancer 2024; 55:190-192. [PMID: 37690067 DOI: 10.1007/s12029-023-00968-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2023] [Indexed: 09/12/2023]
Abstract
INTRODUCTION One anastomosis gastric bypass (OAGB) is mainly criticized for the supposed carcinogenic effect of bile reflux on the gastric pouch mucosa. CASE PRESENTATION A 56-year-old male patient presented 12 years after OAGB with a 10-month history of gradual dysphagia and vomiting. He was diagnosed with a tumor of the gastro-jejunal anastomosis, and underwent total gastrectomy with D2 lymphadenectomy. Specimen examination showed a diffuse isolated cell-type adenocarcinoma. To our knowledge, we report the first case in literature of adenocarcinoma of the gastro-jejunal anastomosis post-OAGB, and the second reported case if we include the Mason loop gastric bypass, which was the earlier version of OAGB with a different conceptual and physiological aspect. CONCLUSION The carcinogenic effect of bile reflux in OAGB will remain hypothetical until a detailed controlled study may prove the causality between bile reflux and gastric pouch malignancies in patients with a history of OAGB.
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Affiliation(s)
- Christian Mouawad
- Department of Digestive Surgery, Hôtel-Dieu de France Hospital, Beirut, Lebanon.
| | - Houssam Dahboul
- Department of Digestive Surgery, Hôtel-Dieu de France Hospital, Beirut, Lebanon
| | - Daniel Kazan
- Department of Digestive Surgery, Hôtel-Dieu de France Hospital, Beirut, Lebanon
| | - Bilal Chamaa
- Department of Digestive Surgery, Hôtel-Dieu de France Hospital, Beirut, Lebanon
| | - Michael Osseis
- Department of Digestive Surgery, Hôtel-Dieu de France Hospital, Beirut, Lebanon
| | - Roger Noun
- Department of Digestive Surgery, Hôtel-Dieu de France Hospital, Beirut, Lebanon
| | - Ghassan Chakhtoura
- Department of Digestive Surgery, Hôtel-Dieu de France Hospital, Beirut, Lebanon
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Taniguchi A, Endo I, Nishiyama T, Watanabe N, Yoshida O, Asano H, Kubo M, Udaka T. Multiple enteric muco-submucosal elongated polyps causing intussusception. Clin J Gastroenterol 2024; 17:41-45. [PMID: 37976018 DOI: 10.1007/s12328-023-01888-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 10/24/2023] [Indexed: 11/19/2023]
Abstract
A 20-year-old woman presented to our hospital with abdominal pain. Abdominal computed tomography revealed multiple masses in the upper jejunum, which were suspected as lipomas. Partial resection of the small intestine, including the masses, was performed on the same day due to intussusception secondary to the masses. Pathological examination revealed that the masses consisted of mucosa and edematous submucosa with multiple dilated blood vessels and lymphatic ducts without muscularis propria. The masses were diagnosed as multiple muco-submucosal elongated polyps (MSEP), a type of non-neoplastic polyp. MSEP was originally named colonic MSEP, but with the development of endoscopic techniques and imaging tests, similar polyps have been reported to occur not only in the colon but also in the entire intestinal tract. In this case, multiple MSEPs in the upper jejunum caused intussusception. As reported cases of multiple lesions causing intussusception are few, our case may help to clarify the pathogenesis of this disease.
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Affiliation(s)
- Atsuki Taniguchi
- Department of Surgery, Mitoyo General Hospital, 809, Toyohama-cho Himehama, Kanonji-shi, Kagawa, 769-1695, Japan.
| | - Izuru Endo
- Department of Surgery, Mitoyo General Hospital, 809, Toyohama-cho Himehama, Kanonji-shi, Kagawa, 769-1695, Japan
| | - Takeyoshi Nishiyama
- Department of Surgery, Mitoyo General Hospital, 809, Toyohama-cho Himehama, Kanonji-shi, Kagawa, 769-1695, Japan
| | - Nobuyuki Watanabe
- Department of Surgery, Mitoyo General Hospital, 809, Toyohama-cho Himehama, Kanonji-shi, Kagawa, 769-1695, Japan
| | - Osamu Yoshida
- Department of Surgery, Mitoyo General Hospital, 809, Toyohama-cho Himehama, Kanonji-shi, Kagawa, 769-1695, Japan
| | - Hiroaki Asano
- Department of Surgery, Mitoyo General Hospital, 809, Toyohama-cho Himehama, Kanonji-shi, Kagawa, 769-1695, Japan
| | - Masatoshi Kubo
- Department of Surgery, Mitoyo General Hospital, 809, Toyohama-cho Himehama, Kanonji-shi, Kagawa, 769-1695, Japan
| | - Tetsunobu Udaka
- Department of Surgery, Mitoyo General Hospital, 809, Toyohama-cho Himehama, Kanonji-shi, Kagawa, 769-1695, Japan
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Gautam H, Ayalew LE, Shaik NA, Subhasinghe I, Popowich S, Chow-Lockerbie B, Dixon A, Ahmed KA, Tikoo SK, Gomis S. Exploring the predictive power of jejunal microbiome composition in clinical and subclinical necrotic enteritis caused by Clostridium perfringens: insights from a broiler chicken model. J Transl Med 2024; 22:80. [PMID: 38243294 PMCID: PMC10799374 DOI: 10.1186/s12967-023-04728-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 11/13/2023] [Indexed: 01/21/2024] Open
Abstract
BACKGROUND Necrotic enteritis (NE) is a severe intestinal infection that affects both humans and poultry. It is caused by the bacterium Clostridium perfringens (CP), but the precise mechanisms underlying the disease pathogenesis remain elusive. This study aims to develop an NE broiler chicken model, explore the impact of the microbiome on NE pathogenesis, and study the virulence of CP isolates with different toxin gene combinations. METHODS This study established an animal disease model for NE in broiler chickens. The methodology encompassed inducing abrupt protein changes and immunosuppression in the first experiment, and in the second, challenging chickens with CP isolates containing various toxin genes. NE was evaluated through gross and histopathological scoring of the jejunum. Subsequently, jejunal contents were collected from these birds for microbiome analysis via 16S rRNA amplicon sequencing, followed by sequence analysis to investigate microbial diversity and abundance, employing different bioinformatic approaches. RESULTS Our findings reveal that CP infection, combined with an abrupt increase in dietary protein concentration and/or infection with the immunosuppressive variant infectious bursal disease virus (vIBDV), predisposed birds to NE development. We observed a significant decrease (p < 0.0001) in the abundance of Lactobacillus and Romboutsia genera in the jejunum, accompanied by a notable increase (p < 0.0001) in Clostridium and Escherichia. Jejunal microbial dysbiosis and severe NE lesions were particularly evident in birds infected with CP isolates containing cpa, netB, tpeL, and cpb2 toxin genes, compared to CP isolates with other toxin gene combinations. Notably, birds that did not develop clinical or subclinical NE following CP infection exhibited a significantly higher (p < 0.0001) level of Romboutsia. These findings shed light on the complex interplay between CP infection, the gut microbiome, and NE pathogenesis in broiler chickens. CONCLUSION Our study establishes that dysbiosis within the jejunal microbiome serves as a reliable biomarker for detecting subclinical and clinical NE in broiler chicken models. Additionally, we identify the potential of the genera Romboutsia and Lactobacillus as promising candidates for probiotic development, offering effective alternatives to antibiotics in NE prevention and control.
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Affiliation(s)
- Hemlata Gautam
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Lisanework E Ayalew
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Noor Ahmad Shaik
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Iresha Subhasinghe
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Shelly Popowich
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Betty Chow-Lockerbie
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Alexa Dixon
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Khawaja Ashfaque Ahmed
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada
| | - Suresh K Tikoo
- Vaccinology and Immunotherapy, School of Public Health, University of Saskatchewan, 5D40 Health Sciences, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Susantha Gomis
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK, S7N 5B4, Canada.
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Abstract
This retrospective study describes 8 cases of intestinal hemangioma diagnosed in horses during postmortem examination or surgical biopsy at the University of Tennessee College of Veterinary Medicine. In all cases, the intestine was the sole organ affected, and lesions were focal (3/8) or multifocal (5/8). Nodules were most commonly within the small intestine (7/8), particularly the jejunum (5/7). One case was in the left dorsal colon, which is the first report of hemangioma in the large colon of a horse. Lesions were discrete, raised, smooth, black to red, and ranged from 2 to 15 mm in diameter. Microscopically, all lesions were cavernous type and mural, most frequently within the muscularis (6/8). A majority of cases occurred in middle aged to older horses (average age of 19.3 years), and no breed or sex predilections were identified. The hemangiomas were considered incidental findings.
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11
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Singh S, Singh R, Singh KP, Singh R, Kumar P, Kamdi B, Singh V. Molecular detection and patho-morphological study of enteric Escherichia coli pathotypes in diarrheic neonatal calves. Anim Biotechnol 2023; 34:3267-3273. [PMID: 36007588 DOI: 10.1080/10495398.2022.2114003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
To understand the pathology of natural cases of E. coli pathotypes infection in bovine calves, 45 cases of bovine calves, below one month of age, died due to enteritis were studied. Total seventeen cases (37.77%) turned positive for different pathotypes of E. coli by RT-PCR. Out of seventeen positive samples for E. coli, six cases (35.29%) were positive for eae gene, three cases (17.64%) for bfp gene and eight cases (47.05) for fimA gene of E. coli. Gross lesions in these cases showed pin-point to ecchymotic hemorrhages in the mucosa of jejunum, ileum and colon. The draining mesenteric lymph nodes were swollen, enlarged and showed cord -like structure. Histopathology of small intestine showed, villi lining cells were sloughed off, tips of villi capillary plexus were congested and hemorrhagic, and skipping lesions of microabscesses in the crypts of mucosa were observed. In the duodenum, necrosis of crypts and infiltration of mononuclear cells in the lamina propria and around Brunner's gland. In mesenteric lymph nodes the subscapular space were infiltrated with mononuclear cells with depletion of lymphoid follicles in cortical area. Peri-trabecular and medullary sinuses of mesenteric lymph nodes were necrosed.
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Affiliation(s)
- Shailendra Singh
- Department of Veterinary Pathology, College of Veterinary Science &A. H. (NDVSU), Kuthuliya, MP, India
| | - Rajendra Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, UP, India
| | - Karam P Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, UP, India
| | - Rahul Singh
- Animal Experimental Pathology, Central Ayurveda Research Institute, CCRAS, Ministry of Ayush, Bidhannagar, Kolkata, India
| | - Pawan Kumar
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, UP, India
| | - Bhupesh Kamdi
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, UP, India
| | - Vidhya Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, UP, India
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Chiew SF, Toh YF, Looi LM, Cheah PL. Gastrointestinal stromal tumour in a jejunal diverticulum: The eighth reported case worldwide with a brief review of the literature. Malays J Pathol 2023; 45:473-478. [PMID: 38155388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
Jejunal diverticulosis is uncommon and so are gastrointestinal stromal tumours (GIST) arising in the jejunum. GIST arising in a jejunal diverticulum is a rarity and to date there are only 7 cases in the English literature. Our case of GIST occurring in a jejunal diverticulum of a 48-year-old lady would be the first reported in Malaysia and the 8th in the world. As in most cases, the clinical presentation and radiological findings of this patient were non-specific. With a history of acute abdominal pain, vomiting and fever, the patient was provisionally diagnosed as a case of twisted ovarian cyst and subjected to laparotomy. An intact roundish jejunal diverticulum 5.0 cm x 5.0 cm, about 50 cm distal to the duodeno-jejunal junction was found and resected with a segment of small intestine. Microscopic examination showed a tumour of the cut open diverticular wall, with epithelioid to spindled cells, demonstrating a mitotic rate of 1-2 per 5 mm2, confined to, while infiltrating the wall of the diverticulum. The immunohistochemical profile of positive staining for CD117, DOG-1, smooth muscle actin and CD34, and negative expression of desmin and S100 protein, clinched the diagnosis of GIST. Based on the AFIP Criteria for risk stratification,1 the patient was categorised as having moderate risk for disease progression, and was not offered further targeted imatinib as an immediate measure. The patient has remained well at the time of writing i.e. 8 months following excision, and continues on active surveillance by the surgical and oncological teams, with the option of imatinib, should the necessity arise. This case is presented not merely for the sake of documenting its rarity, but as a reminder to stay alert for uncommon conditions in histopathology practice.
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Affiliation(s)
- S F Chiew
- University of Malaya Medical Centre, Department of Pathology, Kuala Lumpur, Malaysia.
| | - Y F Toh
- University of Malaya, Department of Pathology, Kuala Lumpur, Malaysia
| | - L M Looi
- University of Malaya, Department of Pathology, Kuala Lumpur, Malaysia
| | - P L Cheah
- University of Malaya, Department of Pathology, Kuala Lumpur, Malaysia
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Dong J, Jiang Y, Li Z, Liu K, Guo L, Cui L, Wang H, Li J. Enterococcus faecium supplementation prevents enteritis caused by Escherichia coli in goats. Benef Microbes 2023; 14:477-491. [PMID: 38656096 DOI: 10.1163/18762891-20220133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 06/07/2023] [Indexed: 04/26/2024]
Abstract
The probiotic Enterococcus faecium is a gut microbe with immunomodulatory effects, which has been widely used to prevent diarrhoea in pigs and birds. Escherichia coli is a common pathogen that causes inflammatory bowel disease in animals. The aim of this study was to investigate the protective effects of E. faecium on enteritis in goats. Forty goats were randomly divided into 4 treatment groups: control, E. faecium, E. coli, and E. faecium + E. coli. The changes of physiological indicators and diarrhoea scoring were evaluated on days -4, -2, 0, 2, 4, 6, and 8. The pathological examination, inflammatory cytokines mRNA expression and bacterial counts in jejunum and caecum were detected on day 4 and 8. The results showed that body temperature, respiratory rate, heart rate and leukocyte counts all increased from the 2nd to the 6th day after feeding with E. coli, and the diarrhoea score was significantly increased. However, E. faecium-pretreated goats had lower body temperatures and fewer leukocytes than E. coli-treated goats on day 2, as well as decreased diarrhoea scores. E. coli treatment caused histopathological damage and morphological changes in the jejunum and caecum, while pretreatment with E. faecium significantly alleviated these injuries. E. faecium pretreatment can reduce the load of E. coli and increase the prevalence of Lactobacillus, thereby balancing the microbiota in the intestine. Furthermore, E. coli-infected goats pretreated with E. faecium showed obvious inhibition of Toll-like receptor 4, interleukin (IL)-1β, IL-6, IL-8 and tumour necrosis factor-α mRNA expression in the jejunum and caecum compared to that in the E. coli treatment group. In conclusion, the addition of E. faecium to goat feed is beneficial for improving clinical symptoms, maintaining intestinal mucosa integrity, balancing the microbiota and decreasing inflammatory responses in E. coli-induced intestinal injury.
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Affiliation(s)
- J Dong
- College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions, 225009 Yangzhou, China P.R
| | - Y Jiang
- Guangling College of Yangzhou University, 225009 Yangzhou, China P.R
- Medical College of Yangzhou University, 225009 Yangzhou, China P.R
| | - Z Li
- College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions, 225009 Yangzhou, China P.R
| | - K Liu
- College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions, 225009 Yangzhou, China P.R
| | - L Guo
- College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions, 225009 Yangzhou, China P.R
| | - L Cui
- College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions, 225009 Yangzhou, China P.R
| | - H Wang
- College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions, 225009 Yangzhou, China P.R
| | - J Li
- College of Veterinary Medicine, Yangzhou University, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education, 225009 Yangzhou, China P.R
- Joint International Research Laboratory of Important Animal Infectious Diseases and Zoonoses of Jiangsu Higher Education Institutions, 225009 Yangzhou, China P.R
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Tóth Š, Fagová Z, Holodová M, Zeidan D, Hartel P, Čurgali K, Mechírová E, Maretta M, Nemcová R, Gancarčíková S, Danková M. Influence of Escherichia coli infection on intestinal mucosal barrier integrity of germ-free piglets. Life Sci 2023; 331:122036. [PMID: 37633417 DOI: 10.1016/j.lfs.2023.122036] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/11/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023]
Abstract
AIMS We focused on investigating the influence of Escherichia coli (E. coli) on the intestinal barrier. MATERIAL AND METHODS We studied changes in the distribution and secretory activities of goblet cells and enteroendocrine cells (EECs), as well as changes in the population of mast cells (MCs) in the jejunal and colonic mucosa of germ-free (GF) piglets as a healthy control group and GF piglets whose intestines were colonised with E. coli bacteria on day 5. KEY FINDINGS The results suggest that the colon of GF piglets is more resistant and less prone to coliform bacterial infection compared to the jejunum. This can be confirmed by a lower degree of histopathological injury index as well as an improvement of the morphometric parameters of the colonic mucosa, together with a significantly increased (p < 0.05) expression of MUC1/EMA, and ZO-3. We also observed a significant decrease in the population of activated MCs (p < 0.001) and EECs (p < 0.001). These findings may indicate a rapid response and better preparation of the intestinal barrier for possible pathological attacks and the subsequent development of mucosal lesions during the development and progression of the intestinal diseases. SIGNIFICANCE To date, gut-targeted therapeutic approaches that can modulate bacterial translocation and chronic inflammation are still in their infancy but represent one of the most promising areas of research for the development of new effective treatments or clinical strategies in the future. Therefore, a better understanding of these processes can significantly contribute to the development of these targeted strategies for disease prevention and treatment.
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Affiliation(s)
- Štefan Tóth
- Pavol Jozef Šafárik University, Faculty of Medicine, Department of Histology and Embryology, Šrobárova 2, 040 01 Košice, Slovak Republic
| | - Zuzana Fagová
- Pavol Jozef Šafárik University, Faculty of Medicine, Department of Histology and Embryology, Šrobárova 2, 040 01 Košice, Slovak Republic
| | - Monika Holodová
- Pavol Jozef Šafárik University, Faculty of Medicine, Department of Histology and Embryology, Šrobárova 2, 040 01 Košice, Slovak Republic
| | - Dema Zeidan
- Pavol Jozef Šafárik University, Faculty of Medicine, Department of Histology and Embryology, Šrobárova 2, 040 01 Košice, Slovak Republic
| | - Patrick Hartel
- Pavol Jozef Šafárik University, Faculty of Medicine, Department of Histology and Embryology, Šrobárova 2, 040 01 Košice, Slovak Republic
| | - Kristína Čurgali
- Pavol Jozef Šafárik University, Faculty of Medicine, Department of Histology and Embryology, Šrobárova 2, 040 01 Košice, Slovak Republic
| | - Eva Mechírová
- Pavol Jozef Šafárik University, Faculty of Medicine, Department of Histology and Embryology, Šrobárova 2, 040 01 Košice, Slovak Republic
| | - Milan Maretta
- Pavol Jozef Šafárik University, Faculty of Medicine, Department of Neurology and L. Pasteur University Hospital, Trieda SNP 1, 040 01 Košice, Slovak Republic
| | - Radomíra Nemcová
- University of Veterinary Medicine and Pharmacy in Košice, Department of Microbiology and Immunology, Komenského 73, 041 70 Košice, Slovak Republic
| | - Soňa Gancarčíková
- University of Veterinary Medicine and Pharmacy in Košice, Department of Microbiology and Immunology, Komenského 73, 041 70 Košice, Slovak Republic
| | - Marianna Danková
- Comenius University in Bratislava, Faculty of Medicine, Institute of Histology and Embryology, Sasinkova 4, 811 04 Bratislava, Slovak Republic.
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Nagano H, Ohyama S, Sato A, Igarashi J, Yamamoto T, Kadoya M, Kobayashi M. Jejunal gastrointestinal stromal tumor that developed in a patient with neurofibromatosis type 1: a case report. Diagn Pathol 2023; 18:110. [PMID: 37789344 PMCID: PMC10546696 DOI: 10.1186/s13000-023-01398-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 09/28/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND Neurofibromatosis type 1 (NF1) is known to be associated with the frequent occurrence of unique gastrointestinal stromal tumors (GISTs), preferably occurring in the small intestine, with no mutations in the c-kit proto-oncogene or platelet-derived growth factor receptor-alpha (PDGFRA), with a high tendency for multifocal development, indolent nature, with low proliferation activity and favorable prognosis. CASE PRESENTATION A woman in her forties visited her local doctor complaining of menstrual pain; a large mass was detected in her lower abdomen, and she was referred to our hospital. The patient had hundreds of skin warts and café au lait spots. The patient's mother had been diagnosed with type 1 neurofibromatosis. The patient met the diagnostic criteria for NF1 and was diagnosed with NF1. Ultrasonography showed a large heterogeneous cystic mass with various echo patterns, solid compartments and multiple septations. Magnetic resonance imaging showed a multilocular cystic mass with liquid content exhibiting various intensities, including that of blood. A small round solid mass was also observed close to the cystic tumor. Contrast-enhanced computed tomography showed that the round solid mass showed strong enhancement in the early phase, unlike the cystic tumor component. Open laparotomy revealed a multicystic exophytic tumor measuring 11.5 cm originating from the jejunal wall, 20 cm distal to the duodenojejunal flexure. A solid tumor measuring 2.1 cm was also found on the anal side of the large tumor. We resected the short segment of the jejunum, including the two lesions. Microscopic findings revealed that the cystic and solid tumors consisted of spindle-shaped tumor cells showing little atypia with a fascicular or bundle arrangement. Nuclear mitosis was scarce. Immunostaining of the tumor cells showed positive staining for KIT and DOG1 and negative staining for S100 and desmin. The NF1 patient was diagnosed with multiple GISTs accompanied by intratumoral hemorrhagic denaturation arising from the jejunum. The TNM staging was pT4N0M0, stage IIIA. CONCLUSION We report a case of GISTs associated with NF1 that showed a jejunal origin, multifocal development and few mitotic figures. The recurrence risk, survival prognosis and need for adjuvant chemotherapy, particularly in cases where the initial GIST exhibits a very indolent pathology in NF1-related GISTs, remain to be elucidated.
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Affiliation(s)
- Hideki Nagano
- Department of Surgery, Marunouchi Hospital, 1-7-45, Nagisa Matsumoto, Nagano, 390-0841, Japan.
| | - Shigekazu Ohyama
- Department of Surgery, Marunouchi Hospital, 1-7-45, Nagisa Matsumoto, Nagano, 390-0841, Japan
| | - Atsushi Sato
- Department of Surgery, Marunouchi Hospital, 1-7-45, Nagisa Matsumoto, Nagano, 390-0841, Japan
| | - Jun Igarashi
- Department of Surgery, Marunouchi Hospital, 1-7-45, Nagisa Matsumoto, Nagano, 390-0841, Japan
| | - Tomoko Yamamoto
- Department of Surgery, Marunouchi Hospital, 1-7-45, Nagisa Matsumoto, Nagano, 390-0841, Japan
| | - Masumi Kadoya
- Department of Radiology, Marunouchi Hospital, Matsumoto Nagano, Japan
| | - Mikiko Kobayashi
- Department of Pathology, Marunouchi Hospital, Matsumoto Nagano, Japan
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Takano Y, Niiya F, Nagahama M. Transgastric endoscopic ultrasound-guided fine needle biopsy for diagnosing gastrointestinal stromal tumor of the jejunum. Dig Endosc 2023; 35:e117-e118. [PMID: 37476861 DOI: 10.1111/den.14626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 06/27/2023] [Indexed: 07/22/2023]
Abstract
Watch a video of this article.
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Affiliation(s)
- Yuichi Takano
- Division of Gastroenterology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Kanagawa, Japan
| | - Fumitaka Niiya
- Division of Gastroenterology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Kanagawa, Japan
| | - Masatsugu Nagahama
- Division of Gastroenterology, Department of Internal Medicine, Showa University Fujigaoka Hospital, Kanagawa, Japan
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Kim KJ, Kim MS, Hong R, Lim SC. Synchronous cutaneous malignant peripheral nerve sheath tumor and jejunal gastrointestinal stromal tumor and submucosal angiomyolipoma in type 1 neurofibromatosis: A case report and literature review. Medicine (Baltimore) 2023; 102:e32696. [PMID: 36701730 PMCID: PMC9857363 DOI: 10.1097/md.0000000000032696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
RATIONALE Type 1 neurofibromatosis (NF1) is one of the most prevalent genetic conditions. NF1 is characterized by cutaneous plexiform neurofibromas and café au lait skin pigmentation, and is inherited in an autosomal dominant trait with mutation in the neurofibromin 1 gene on chromosome 17. Neurofibromin is involved in Ras proto-oncogene regulation. Accordingly, NF1 may lead to malignancies, with a lifetime cancer risk of 60%. Malignant peripheral nerve sheath tumor (MPNST) is the leading cause of mortality due to NF1. The relevance of gastrointestinal stromal tumor (GIST) in NF1 is increasingly being reported in the literature and NF1-associated GIST has been identified to have an alternative molecular pathogenesis. PATIENT CONCERNS A 62-years-old female had a 7 × 5 cm growing back mass in the background of various sized cutaneous neurofibromas with café au lait spots. Computed tomography performed in the workup revealed a 4.1 cm enhancing mass near the ileal mesentery. DIAGNOSES NF1 affected by cutaneous MPNST of the back, and synchronous GIST and submucosal angiomyolipoma (AML) of the jejunum. INTERVENTIONS The patient underwent laparoscopic jejunal mass excision, and excision and flap coverage for the back mass owing to the suspicion of multiple MPNSTs. However, the abdominal masses were diagnosed as GIST and AML following confirmation of the immunohistochemical profiles. Accordingly, the patient was administered adjuvant radiotherapy to the MPNST after surgery. OUTCOMES Symptomatic improvements were achieved, and no subsequent relapses were observed. LESSONS Although MPNST and GIST are not rare neoplasm in NF1, only 2 case reports have been published on the synchronous occurrence of these tumors. Moreover, no case report has been published on AML in NF1, except 1 renal AML in segmental neurofibromatosis. Identifying the clinical and pathologic significances of the NF1 is important to achieve improved diagnostic accuracy.
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Affiliation(s)
- Kyung Jong Kim
- Department of Surgery, College of Medicine, Chosun University, Gwangju, Korea
| | - Min Sung Kim
- Department of Dermatology, College of Medicine, Chosun University, Gwangju, Korea
| | - Ran Hong
- Department of Pathology, College of Medicine, Chosun University, Gwangju, Korea
| | - Sung-Chul Lim
- Department of Pathology, College of Medicine, Chosun University, Gwangju, Korea
- * Correspondence: Sung-Chul Lim, Department of Pathology Chosun University Hospital, 365, Pilmun-daero, Dong-gu, Gwangju, Republic of Korea (e-mail: )
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Liu XD, Zheng PF, Tang BY, Cheng ZB. Giant gastrointestinal stromal tumor of the jejunum combine with spontaneous rupture and hemorrhage: A case report. Asian J Surg 2022; 46:1799-1800. [PMID: 36307260 DOI: 10.1016/j.asjsur.2022.10.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 10/13/2022] [Indexed: 11/15/2022] Open
Affiliation(s)
- Xu-Dong Liu
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, China
| | - Peng-Fei Zheng
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, China
| | - Bao-Yuan Tang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, China
| | - Zhi-Bin Cheng
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730000, China.
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Nagy GA, Neag MA, Drasovean R, Crisan D, Chira RI. Duodenal Ampulla Neuroendocrine Tumor with GISTs of the Proximal Jejunum: A Case Report. Int J Mol Sci 2022; 23:ijms231810351. [PMID: 36142264 PMCID: PMC9499482 DOI: 10.3390/ijms231810351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/29/2022] Open
Abstract
Neuroendocrine tumors (NEN) are a type of heterogenous, slow-growing tumors, that only in about half of the cases can be found in the gastrointestinal tract. Half of these is in the small intestine. The ampullary NENs are rare, accounting for less than 1% of gastroenteropancreatic NENs. Gastrointestinal stromal tumors (GIST) are a more common type of tumors of the gastrointestinal tract that consist of pacemaker cells. The occurrence of both tumors simultaneously is rare, but in patients with neurofibromatosis type 1, the co-existence of NEN and GIST is more often. Here we report a case of simultaneous occurrence of a well-differentiated NEN and a GIST in a patient without neurofibromatosis. Also, we provide a short review of the current knowledge and treatment strategies regarding these tumors.
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Affiliation(s)
- Georgiana Anca Nagy
- Department of Internal Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania
- Department of Gastroenterology, Emergency Clinical County Hospital, 400006 Cluj-Napoca, Romania
| | - Maria Adriana Neag
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Iuliu Hatieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania
- Correspondence:
| | - Radu Drasovean
- Department of Surgery, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania
| | - Doinita Crisan
- Department of Pathology, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania
| | - Romeo Ioan Chira
- Department of Internal Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania
- Department of Gastroenterology, Emergency Clinical County Hospital, 400006 Cluj-Napoca, Romania
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20
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Jabłońska B, Szmigiel P, Wosiewicz P, Baron J, Szczęsny-Karczewska W, Mrowiec S. A jejunal gastrointestinal stromal tumor with massive gastrointestinal hemorrhage treated by emergency surgery: A case report. Medicine (Baltimore) 2022; 101:e30098. [PMID: 36107510 PMCID: PMC9439765 DOI: 10.1097/md.0000000000030098] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND A jejunal gastrointestinal stromal tumor (GIST) is a rare neoplasm of the gastrointestinal (GI) tract. Massive bleeding due to a jejunal GIST is a diagnostic and therapeutic challenge. It may be a life-threatening GIST complication that requires urgent intervention. Acute GI bleeding, which requires urgent surgical intervention, is a very rare clinical manifestation of GIST. A jejunal GIST with massive hemorrhage with coronavirus disease 2019 in a male patient in older age with many comorbidities has been not reported in the worldwide literature. METHODS In this case report, we present an 80-year-old man who was admitted to surgery due to abdominal pain, melena, and hematochezia for several hours. An upper endoscopy and colonoscopy were inconclusive. A multidetector contrast-enhanced computed tomography (CT) of the abdominal and pelvic cavity showed concentric irregular thickening in the distal jejunum.The histopathological finding showed a GIST measuring 6 cm with a mitotic index 2/50 high power fields. The patient's hemodynamic condition deteriorated despite initial conservative treatment including a blood transfusion. Therefore, patient underwent the emergency surgery 24 hours after admission: partial jejunal resection with the tumor followed by primary end-to-end anastomosis. RESULTS The mass was removed completely. There were no surgical complications in the postoperative course. On the first postoperative day, a severe acute respiratory syndrome coronavirus 2 polymerase chain reaction test was performed due to a persistent dry cough, which yielded a positive result. After 14 days, the patient died due to pneumonia and circulatory failure. CONCLUSIONS This case indicates that jejunal GIST can present as massive lower gastrointestinal bleeding and urgent surgery can successfully stop bleeding and save the patient's life. The CT scan was the most effective investigation to find the source of GI bleeding in this case. Therefore, we suggest performing CT in patients with acute massive lower gastrointestinal bleeding when the source of bleeding is not visible on endoscopy, and urgent surgical jejunal resection to stop life-threatening bleeding caused by a jejunal GIST.
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Affiliation(s)
- Beata Jabłońska
- Department of Digestive Tract Surgery, Medical University of Silesia, Katowice, Poland
- *Correspondence: Beata Jabłońska, Medical University of Silesia, Medyków 14 St. 40-752 Katowice, Poland (e-mail: )
| | - Paweł Szmigiel
- Department of Digestive Tract Surgery, Medical University of Silesia, Katowice, Poland
| | - Piotr Wosiewicz
- Department of Gastroenterology and Hepatology, Medical University of Silesia, Katowice, Poland
| | - Jan Baron
- Department of Radiology, Medical University of Silesia, Katowice, Poland
| | - Weronika Szczęsny-Karczewska
- Department of Pathomorphology and Molecular Diagnostics, Faculty of Medical Science, Medical University of Silesia, Katowice, Poland
| | - Sławomir Mrowiec
- Department of Digestive Tract Surgery, Medical University of Silesia, Katowice, Poland
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21
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Wang P, Chen E, Xie M, Xu W, Ou C, Zhou Z, Niu Y, Song W, Ni Q, Zhu J. The Number of Lymph Nodes Examined is Associated with Survival Outcomes of Neuroendocrine Tumors of the Jejunum and Ileum (siNET): Development and Validation of a Prognostic Model Based on SEER Database. J Gastrointest Surg 2022; 26:1917-1929. [PMID: 35689008 DOI: 10.1007/s11605-022-05359-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/15/2022] [Indexed: 01/31/2023]
Abstract
PURPOSE The number of neuroendocrine tumors (NETs) is gradually increasing worldwide, and those located in the small intestine (siNETs) are the most common. As some biological and clinical characteristics of tumors of the jejunum and the ileum differ, there is a need to assess the prognosis of individuals with siNETs of the jejunum and ileum separately. We generated a predictive nomogram by assessing individuals with siNETs from the Surveillance, Epidemiology, and End Results (SEER) database. METHODS We used univariate Cox regression analysis to determine both the overall survival (OS) and the cancer-specific survival (CSS) of 2501 patients with a pathological confirmation of siNETs of the jejunum and ileum. To predict 3-, 5-, and 10-year OS of siNETs, a nomogram was generated based on a training cohort and validated with an external cohort. Accuracy and clinical practicability were evaluated separately by Harrell's C-indices, calibration plots, and decision curves. The correlation was examined between dissected lymph nodes and positive lymph nodes. RESULTS Dissection of 7 or more lymph nodes significantly improved patient OS and was found to be a protective factor for patients with siNETs. In Cox regression analyses, age, primary site, tumor size, N stage, M stage, and regional lymph node examination were significant predictors in the nomogram. A significant positive correlation was found between dissected lymph nodes and positive lymph nodes. CONCLUSIONS Patients with 7 or more dissected lymph nodes showed an accurate tumor stage and a better prognosis. Our nomogram accurately predicted the OS of patients with siNETs.
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Affiliation(s)
- Peng Wang
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Erlin Chen
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Mingjie Xie
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Wei Xu
- Department of Urinary Surgery, The 2nd Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Chaoyang Ou
- Department of Gynecology and Obstetrics, Tumor Hospital Affiliated to Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Zhou Zhou
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Yuanjie Niu
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Wei Song
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Qingfeng Ni
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China.
| | - Jianwei Zhu
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, People's Republic of China.
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22
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Wang S, Yang X, Peng X, Tang Q, Guo L, Tang X. Efficacy of free anterolateral thigh flap and free jejunum in reconstruction for hypopharyngeal and cervical esophagus. Zhong Nan Da Xue Xue Bao Yi Xue Ban 2022; 47:888-894. [PMID: 36039585 PMCID: PMC10930299 DOI: 10.11817/j.issn.1672-7347.2022.210763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Indexed: 06/15/2023]
Abstract
OBJECTIVES Because of its peculiar anatomical location, most patients with hypopharyngeal and cervical esophageal cancer are at advanced stage when they visit the hospital. At present, the treatment for hypopharyngeal and cervical esophageal cancer is primarily surgical resection and radiotherapy. However, due to the wide range of surgical resection, it can often lead to a large range of annular defects. Therefore, the upper digestive tract reconstruction after tumor resection is very important. We use the free anterolateral thigh flap (ALT) and free jejunum (FJ) transfer to reconstruct the hypopharyngeal and cervical esophagus, and to investigate the effect of both reconstruction methods on upper gastrointestinal tract defects. METHODS A retrospective analysis was conducted to investigate the clinical data of 42 patients with hypopharyngeal and cervical esophageal cancer (Clinical Stage IV) from Jan. 2004 to Jan. 2016 in the Second Xiangya Hospital of Central South University. All patients underwent total laryngopharyngectomy and cervical esophageal resection. The hypopharyngeal circumferential and cervical esophageal defects were reconstructed with free ALT (n=22) or FJ (n=20). Four patients who underwent radiotherapy and chemotherapy before surgery did not receive radiotherapy or chemotherapy after surgery. The remaining 38 patients underwent postoperative radiotherapy and chemotherapy. All patients were followed up by telephone or outpatient review, with a follow-up deadline in Jan. 2021. We compared the differences between the 2 groups in postoperative complications, radiotherapy complications, and survival rate. The differences in individual characteristics between 2 groups were analyzed using Fisher test. The differences in postoperative and radiotherapy complications between two groups were analyzed using χ² test. The 3- and 5-year overall survival rates were calculated using Kaplan-Meier survival curve method. RESULTS In the ALT group, the postoperative complications mainly included anastomotic fistula, chylous fistula and subcutaneous hematoma of the donor site. The radiotherapy complication was anastomotic stenosis. However, in the FJ group, the postoperative complications mainly included chylous fistula, intestinal obstruction, and intestinal fistula. The radiotherapy complications mainly contained anastomotic fistula and tissue flap necrosis. The cases of postoperative complications in the ALT group and the FJ group were 7 and 5, respectively (P=0.625), and the cases of radiotherapy complications were 3 and 4, respectively (P=0.563). The 3-year overall survival rates in the ALT group and the FJ group were 52.9% and 46.7%, respectively, and the 5-year total survival rates were 35.1% and 31.9%, respectively (P=0.53). The cases of anastomotic stenosis after radiotherapy in the ALT group were more than those in the FJ group (P=0.097). However, the cases of jejunal necrosis and anastomotic fistula after radiotherapy in the FJ group were more than those in the ALT group (P=0.066). CONCLUSIONS There are no significant differences in postoperative and radiotherapy complications and 3-and 5-year survival rates between the ALT group and the FJ group. The reconstruction with ALT is prone to develop anastomotic stricture. The reconstruction with FJ cannot withstand high-dose radiotherapy. The ALT and FJ are effective methods in the reconstruction of hypopharynx and cervical esophagus. The treatment protocol should be carefully chosen based on its advantages and disadvantages of these 2 methods.
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Affiliation(s)
- Shuang Wang
- Department of Otolaryngology, Head and Neck Surgery, Second Xiangya Hospital, Central South University, Changsha 410011.
| | - Xinming Yang
- Department of Otolaryngology, Head and Neck Surgery, Second Xiangya Hospital, Central South University, Changsha 410011
| | - Xia Peng
- Clinical Nursing Teaching and Research Section, Second Xiangya Hospital, Central South University, Changsha 410011, China.
| | - Qinglai Tang
- Department of Otolaryngology, Head and Neck Surgery, Second Xiangya Hospital, Central South University, Changsha 410011
| | - Lu Guo
- Department of Otolaryngology, Head and Neck Surgery, Second Xiangya Hospital, Central South University, Changsha 410011
| | - Xiaojun Tang
- Department of Otolaryngology, Head and Neck Surgery, Second Xiangya Hospital, Central South University, Changsha 410011
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23
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Talwar A, Ahuja A, Phulware RH. Medullary carcinoma of jejunum presenting as perforation peritonitis: A case report. INDIAN J PATHOL MICR 2022; 65:679-682. [PMID: 35900501 DOI: 10.4103/ijpm.ijpm_576_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023] Open
Abstract
Small intestinal medullary carcinoma (MC) is a newly recognized subclass of small intestinal carcinomas and is an exceptional entity for this site. A search of the literature for similar cases arising in the small intestine revealed only six previously reported cases. Here we present a case of MC arising in the jejunum of a 65-year-old male. The patient presented to the emergency with features of perforation peritonitis with liver metastasis and no known predisposing factors like inflammatory bowel disease and celiac disease. Studies conducted on this tumor's colonic counterpart have shown microsatellite instability (MSI) and B-type Raf kinase (BRAF) mutations; however, few exceptions are known. Also, this subtype of carcinoma is known to have a better prognosis than its other histological subtypes.
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Affiliation(s)
- Amrita Talwar
- Department of Pathology, Post Graduate Institute of Medical Education and Research (PGIMER), Atal Bihari Vajpayee Institute of Medical Sciences (ABVIMS), Ram Manohar Lohia Hospital (RML), New Delhi, India
| | - Arvind Ahuja
- Department of Pathology, Post Graduate Institute of Medical Education and Research (PGIMER), Atal Bihari Vajpayee Institute of Medical Sciences (ABVIMS), Ram Manohar Lohia Hospital (RML), New Delhi, India
| | - Ravi H Phulware
- Deparment of Pathology and Laboratory Medicine, All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand, India
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24
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Boby N, Cao X, Williams K, Gadila SKG, Shroyer MN, Didier PJ, Srivastav SK, Das A, Baker K, Sha Q, Pahar B. Simian Immunodeficiency Virus Infection Mediated Changes in Jejunum and Peripheral SARS-CoV-2 Receptor ACE2 and Associated Proteins or Genes in Rhesus Macaques. Front Immunol 2022; 13:835686. [PMID: 35281029 PMCID: PMC8914048 DOI: 10.3389/fimmu.2022.835686] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/04/2022] [Indexed: 11/13/2022] Open
Abstract
Angiotensin converting enzyme-2 (ACE2) and associated proteins play a pivotal role in various physiological and pathological events, such as immune activation, inflammation, gut barrier maintenance, intestinal stem cell proliferation, and apoptosis. Although many of these clinical events are quite significant in SIV/HIV infection, expression profiling of these proteins has not been well reported. Considering the different pathological consequences in the gut after HIV infection, we hypothesized that the expression of ACE2 and associated proteins of the Renin-angiotensin system (RAS) could be compromised after SIV/HIV infection. We quantified the gene expression of ACE2 as well as AGTR1/2, ADAM17, and TMPRSS2, and compared between SIV infected and uninfected rhesus macaques (Macaca mulatta; hereafter abbreviated RMs). The gene expression analysis revealed significant downregulation of ACE2 and upregulation of AGTR2 and inflammatory cytokine IL-6 in the gut of infected RMs. Protein expression profiling also revealed significant upregulation of AGTR2 after infection. The expression of ACE2 in protein level was also decreased, but not significantly, after infection. To understand the entirety of the process in newly regenerated epithelial cells, a global transcriptomic study of enteroids raised from intestinal stem cells was performed. Interestingly, most of the genes associated with the RAS, such as DPP4, MME, ANPEP, ACE2, ENPEP, were found to be downregulated in SIV infection. HNFA1 was found to be a key regulator of ACE2 and related protein expression. Jejunum CD4+ T cell depletion and increased IL-6 mRNA, MCP-1 and AGTR2 expression may signal inflammation, monocyte/macrophage accumulation and epithelial apoptosis in accelerating SIV pathogenesis. Overall, the findings in the study suggested a possible impact of SIV/HIV infection on expression of ACE2 and RAS-associated proteins resulting in the loss of gut homeostasis. In the context of the current COVID-19 pandemic, the outcome of SARS-CoV-2 and HIV co-infection remains uncertain and needs further investigation as the significance profile of ACE2, a viral entry receptor for SARS-CoV-2, and its expression in mRNA and protein varied in the current study. There is a concern of aggravated SARS-CoV-2 outcomes due to possible serious pathological events in the gut resulting from compromised expression of RAS- associated proteins in SIV/HIV infection.
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Affiliation(s)
- Nongthombam Boby
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
| | - Xuewei Cao
- Department of Mathematical Sciences, Michigan Technological University, Houghton, MI, United States
| | - Kelsey Williams
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
| | - Shiva Kumar Goud Gadila
- Division of Immunology, Tulane National Primate Research Center, Covington, LA, United States
| | - Monica N. Shroyer
- Division of Veterinary Medicine, Tulane National Primate Research Center, Covington, LA, United States
| | - Peter J. Didier
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
| | - Sudesh K. Srivastav
- Department of Biostatistics, Tulane University, New Orleans, LA, United States
| | - Arpita Das
- Division of Microbiology, Tulane National Primate Research Center, Covington, LA, United States
| | - Kate Baker
- Division of Veterinary Medicine, Tulane National Primate Research Center, Covington, LA, United States
| | - Qiuying Sha
- Department of Mathematical Sciences, Michigan Technological University, Houghton, MI, United States
| | - Bapi Pahar
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, United States
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, United States
- Department of Tropical Medicine, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, United States
- *Correspondence: Bapi Pahar,
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25
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Nagaraj SS, Deivasigamani S, Aruni A, Kumar H, Sachan A, Samanta J, Bal A. Diagnostic and Therapeutic Challenges in the Management of Acute Massive Overt Bleeding of Jejunal Gastrointestinal Stromal Tumours: Case Series. J Gastrointest Cancer 2022; 54:316-322. [PMID: 35199299 DOI: 10.1007/s12029-021-00650-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/25/2021] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Jejunal gastrointestinal stromal tumours (GIST) are rare mesenchymal tumours. Acute massive overt bleeding from jejunal GIST is very rare and poses both diagnostic and therapeutic challenges in emergent conditions. METHODS A case series with retrospective analysis of prospectively maintained database of patients presenting with acute massive overt bleeding secondary to histologically proven jejunal GIST was done. Clinical characteristics, endoscopic and imaging diagnostic features, histological findings, surgical procedures and outcomes in these patients were studied. RESULTS Three patients were included in this case series. Mean age of presentation was 49.0 years with two male and one female patient. All three patients presented with melena and hemodynamic instability, resuscitated with adequate blood transfusions. Routine endoscopic assessment were inconclusive. Multiphasic Computed Tomographic Angiography (CTA) revealed hypodense hypervascular mass in jejunum in all three patients. One patient was unresponsive to blood transfusion and underwent emergency exploratory laparotomy. One patient underwent laparoscopic resection and reconstruction. Mean length of hospital stay was 5.3 days. Histopathological examination confirmed jejunal GIST in all three patients with microscopically negative resection margins. Two patients were disease free till 18-month follow-up and the one patient lost to follow-up after 1 year. CONCLUSION Multiphasic CTA is a single-step diagnostic tool for localisation of bleed and assessment of tumour characteristics in emergent conditions. Surgical resection is the mainstay of treatment for both control of bleed and to provide oncologically clear resection margins.
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Affiliation(s)
- Satish Subbiah Nagaraj
- Department of General Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sriram Deivasigamani
- Department of General Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Amresh Aruni
- Department of General Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Hemanth Kumar
- Department of General Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
| | - Anurag Sachan
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Jayanta Samanta
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Amanjit Bal
- Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Sawahashi S, Abe Y, Suzuki F, Nabeshima T, Shoji M, Nakamura T, Nishise Y, Kuroki M, Otake H, Hirakawa H. [A case of invasive intraductal papillary mucinous carcinoma arising from jejunal heterotopic pancreas]. Nihon Shokakibyo Gakkai Zasshi 2022; 119:452-458. [PMID: 35545544 DOI: 10.11405/nisshoshi.119.452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Intraductal papillary mucinous carcinoma (IPMC) arising from the heterotopic pancreas is rare. A case of IPMC metastasis from the jejunal heterotopic pancreas was described. The heterotopic pancreas could be the source of the submucosal tumor-like lesion found in the small intestine with an elevated carbohydrate antigen (CA) 19-9 level. A 60-year-old woman was admitted to the hospital with pulmonary thromboembolism and anemia. The level of CA19-9, a tumor marker, was found to be 211.8U/ml. A tumor in the jejunum was discovered using contrast-enhanced computed tomography. There were also a number of hepatic tumors found. A submucosal tumor-like lesion in the jejunum was discovered during an enteroscopy, and a biopsy revealed it to be an adenocarcinoma. Partial resection of the jejunum was performed to control hemorrhage. Histopathology revealed an invasive IPMC arising from a heterotopic pancreas (Heinrich type II) and chemotherapy with gemcitabine and nab-paclitaxel was initiated. There have only been three cases of invasive IPMC from a heterotopic pancreas reported, and this is the first one to include chemotherapeutic treatment of distant metastasis.
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Affiliation(s)
- Satoko Sawahashi
- Department of Gastroenterology, Yamagata City Hospital Saiseikan
| | - Yasuaki Abe
- Department of Gastroenterology, Yamagata City Hospital Saiseikan
| | - Fumiya Suzuki
- Department of Gastroenterology, Yamagata City Hospital Saiseikan
| | | | - Masakuni Shoji
- Department of Gastroenterology, Yamagata City Hospital Saiseikan
| | - Takuya Nakamura
- Department of Gastroenterology, Yamagata City Hospital Saiseikan
| | - Yuko Nishise
- Department of Gastroenterology, Yamagata City Hospital Saiseikan
| | - Michio Kuroki
- Department of Gastroenterology, Yamagata City Hospital Saiseikan
| | - Hiroya Otake
- Department of Pathology, Yamagata City Hospital Saiseikan
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27
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Shibata M, Sasamoto T, Ozaki T, Yamaguchi N, Takamori Y, Tsuchiya A, Nishikawa K, Takikawa H, Yamanaka M, Osada H. [Jejunal stromal tumor concomitant ectopic pancreas in a young man with sarcoidosis:a case report]. Nihon Shokakibyo Gakkai Zasshi 2022; 119:342-350. [PMID: 35400687 DOI: 10.11405/nisshoshi.119.342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
During a medical health check, a 29-year-old man was presented to our hospital with iron deficiency anemia. He had no significant medical history in his family. Despite being diagnosed with ocular sarcoidosis 5 years ago, he had no vision problems. Physical examination revealed normal vital signs and a nontender abdomen;however, his eyelid conjuvitis was pale, and he became aware of fatigue when moving vigorously. He had upper gastrointestinal endoscopy and colonoscopy, but there was no evidence of bleeding detected. A contrasted mass 30mm in size was discovered on abdominal contrast-enhanced computed tomography at the dorsal wall of the proximal jejunum. Positron emission tomography showed an accumulation image in the bilateral hilar lymph and upper jejunum. A 30-mm submucosal tumor with a central depression in the upper jejunum was discovered using a double-balloon enteroscopy. We performed biopsies from the depression margin and tattoo marking on the oral side of the tumor. Even though the biopsies specimen revealed granulation tissue, the patient was referred to surgery and underwent a partial jejunum resection because the tumor was diagnosed as the cause of anemia. The operation went smoothly, and the patient was discharged on the seventh postoperative day. Histological examination showed a proliferation of densely packed spindle cells with prominent nuclear palisading. The immunohistochemical examination revealed that c-kit and CD34 were highly expressed, whereas desmin and S-100 proteins were not. Ki-67 expression demonstrated a very low proliferative index (2%). We discovered gastrointestinal stromal tumors (GIST), as well as an ectopic pancreas. GIST is extremely rare in young people, and the coexistence of ectopic pancreas and sarcoidosis has never been reported.
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Affiliation(s)
| | | | | | - Norio Yamaguchi
- Department of Gastroenterology, Ageo Central General Hospital
| | | | | | - Ko Nishikawa
- Department of Gastroenterology, Ageo Central General Hospital
| | - Hajime Takikawa
- Department of Gastroenterology, Ageo Central General Hospital
- Faculty of Medical Technology, Teikyo University
| | - Masami Yamanaka
- Department of Gastroenterology, Ageo Central General Hospital
| | - Hiromi Osada
- Department of Pathology, Ageo Central General Hospital
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28
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Wijnands KAP, Meesters DM, Vandendriessche B, Briedé JJ, van Eijk HMH, Brouckaert P, Cauwels A, Lamers WH, Poeze M. Microcirculatory Function during Endotoxemia-A Functional Citrulline-Arginine-NO Pathway and NOS3 Complex Is Essential to Maintain the Microcirculation. Int J Mol Sci 2021; 22:ijms222111940. [PMID: 34769369 PMCID: PMC8584871 DOI: 10.3390/ijms222111940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 11/01/2021] [Accepted: 11/01/2021] [Indexed: 02/02/2023] Open
Abstract
Competition for the amino acid arginine by endothelial nitric-oxide synthase (NOS3) and (pro-)inflammatory NO-synthase (NOS2) during endotoxemia appears essential in the derangement of the microcirculatory flow. This study investigated the role of NOS2 and NOS3 combined with/without citrulline supplementation on the NO-production and microcirculation during endotoxemia. Wildtype (C57BL6/N background; control; n = 36), Nos2-deficient, (n = 40), Nos3-deficient (n = 39) and Nos2/Nos3-deficient mice (n = 42) received a continuous intravenous LPS infusion alone (200 μg total, 18 h) or combined with L-citrulline (37.5 mg, last 6 h). The intestinal microcirculatory flow was measured by side-stream dark field (SDF)-imaging. The jejunal intracellular NO production was quantified by in vivo NO-spin trapping combined with electron spin-resonance (ESR) spectrometry. Amino-acid concentrations were measured by high-performance liquid chromatography (HPLC). LPS infusion decreased plasma arginine concentration in control and Nos3−/− compared to Nos2−/− mice. Jejunal NO production and the microcirculation were significantly decreased in control and Nos2−/− mice after LPS infusion. No beneficial effects of L-citrulline supplementation on microcirculatory flow were found in Nos3−/− or Nos2−/−/Nos3−/− mice. This study confirms that L-citrulline supplementation enhances de novo arginine synthesis and NO production in mice during endotoxemia with a functional NOS3-enzyme (control and Nos2−/− mice), as this beneficial effect was absent in Nos3−/− or Nos2−/−/Nos3−/− mice.
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Affiliation(s)
- Karolina A. P. Wijnands
- Department of Surgery, NUTRIM School of Nutrition, Translational Research in Metabolism, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands; (D.M.M.); (H.M.H.v.E.); (M.P.)
- Correspondence: ; Tel.: +31-650-513-913
| | - Dennis M. Meesters
- Department of Surgery, NUTRIM School of Nutrition, Translational Research in Metabolism, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands; (D.M.M.); (H.M.H.v.E.); (M.P.)
- Department of Genetics & Cell Biology, NUTRIM School of Nutrition, Translational Research in Metabolism, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands
| | - Benjamin Vandendriessche
- VIB Inflammation Research Center, 9052 Ghent, Belgium; (B.V.); (P.B.); (A.C.)
- Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
- Byteflies, 2600 Antwerp, Belgium
- Department of Electrical, Computer and Systems Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Jacob J. Briedé
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands;
| | - Hans M. H. van Eijk
- Department of Surgery, NUTRIM School of Nutrition, Translational Research in Metabolism, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands; (D.M.M.); (H.M.H.v.E.); (M.P.)
| | - Peter Brouckaert
- VIB Inflammation Research Center, 9052 Ghent, Belgium; (B.V.); (P.B.); (A.C.)
- Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Anje Cauwels
- VIB Inflammation Research Center, 9052 Ghent, Belgium; (B.V.); (P.B.); (A.C.)
- Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
- Orionis Biosciences, 9052 Ghent, Belgium
| | - Wouter H. Lamers
- Department of Anatomy & Embryology, NUTRIM School of Nutrition, Translational Research in Metabolism, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands;
| | - Martijn Poeze
- Department of Surgery, NUTRIM School of Nutrition, Translational Research in Metabolism, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands; (D.M.M.); (H.M.H.v.E.); (M.P.)
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Peters K, Dahlgren D, Lennernäs H, Sjöblom M. Melatonin-Activated Receptor Signaling Pathways Mediate Protective Effects on Surfactant-Induced Increase in Jejunal Mucosal Permeability in Rats. Int J Mol Sci 2021; 22:10762. [PMID: 34639101 PMCID: PMC8509405 DOI: 10.3390/ijms221910762] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/01/2021] [Accepted: 10/02/2021] [Indexed: 12/22/2022] Open
Abstract
A well-functional intestinal mucosal barrier can be compromised as a result of various diseases, chemotherapy, radiation, and chemical exposures including surfactants. Currently, there are no approved drugs targeting a dysfunctional intestinal barrier, which emphasizes a significant medical need. One candidate drug reported to regulate intestinal mucosal permeability is melatonin. However, it is still unclear if its effect is primarily receptor mediated or antioxidative, and if it is associated with enteric neural pathways. The aim of this rat intestinal perfusion study was to investigate the mechanisms of melatonin and nicotinic acetylcholine receptors on the increase in intestinal mucosal clearance of 51Cr-labeled ethylenediaminetetraacetate induced by 15 min luminal exposure to the anionic surfactant, sodium dodecyl sulfate. Our results show that melatonin abolished the surfactant-induced increase in intestinal permeability and that this effect was inhibited by luzindole, a melatonin receptor antagonist. In addition, mecamylamine, an antagonist of nicotinic acetylcholine receptors, reduced the surfactant-induced increase in mucosal permeability, using a signaling pathway not influenced by melatonin receptor activation. In conclusion, our results support melatonin as a potentially potent candidate for the oral treatment of a compromised intestinal mucosal barrier, and that its protective effect is primarily receptor-mediated.
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Affiliation(s)
- Karsten Peters
- Department of Neuroscience, Gastrointestinal Physiology, Uppsala University, 751 24 Uppsala, Sweden;
- Department of Pharmaceutical Biosciences, Translational Drug Discovery and Development, Uppsala University, 752 37 Uppsala, Sweden; (D.D.); (H.L.)
| | - David Dahlgren
- Department of Pharmaceutical Biosciences, Translational Drug Discovery and Development, Uppsala University, 752 37 Uppsala, Sweden; (D.D.); (H.L.)
| | - Hans Lennernäs
- Department of Pharmaceutical Biosciences, Translational Drug Discovery and Development, Uppsala University, 752 37 Uppsala, Sweden; (D.D.); (H.L.)
| | - Markus Sjöblom
- Department of Neuroscience, Gastrointestinal Physiology, Uppsala University, 751 24 Uppsala, Sweden;
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Li D, He Q, Yang H, Du Y, Yu K, Yang J, Tong X, Guo Y, Xu J, Qin L. Daily Dose of Bovine Lactoferrin Prevents Ethanol-Induced Liver Injury and Death in Male Mice by Regulating Hepatic Alcohol Metabolism and Modulating Gut Microbiota. Mol Nutr Food Res 2021; 65:e2100253. [PMID: 34331394 DOI: 10.1002/mnfr.202100253] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 07/22/2021] [Indexed: 11/10/2022]
Abstract
SCOPE Lactoferrin (Lf) possess a protective potential to liver, but whether it can prevent alcoholic liver injury (ALI) remains unclear. METHODS AND RESULTS Four groups of male C57BL/6J mice are fed with different diets, namely, AIN-93G diet for control (CON) and ethanol (EtOH) groups, and AIN-93G diet with 0.4% and 4% casein replaced by Lf for low-dose Lf (LLf) and high-dose Lf (HLf) groups, respectively. ALI is induced by giving 20% ethanol ad libitum combined with four "binges". Lf can remarkably decrease EtOH-induced mortality. Lf promotes aldehyde dehydrogenase-2 (ALDH2) expression and suppressing cytochrome P450 2E1 (CYP2E1) overexpression, resulting in the reduced hepatic superoxide and inflammation levels, which ultimately leads to the hepatic injury alleviation. However, HLf increases acetyl-CoA carboxylase and fatty acid synthase protein levels, which suggests that excessive intake may weaken the beneficial effects of Lf. Moreover, LLf increases the relative abundances of Akkermansia and Lactobacillus. Additionally, the study shows that Lf likely exerts action in its digestive product forms rather than intact Lf molecular in normal condition. CONCLUSION LLf can ameliorate ALI, which is associated with the regulation of hepatic alcohol metabolism and the modulation of gut microbiota. However, excessive Lf intake may result in a diminished benefit.
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Affiliation(s)
- Deming Li
- School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou, Jiangsu, 215123, China
| | - Qian He
- School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou, Jiangsu, 215123, China
| | - Huanhuan Yang
- School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou, Jiangsu, 215123, China
| | - Yafang Du
- School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou, Jiangsu, 215123, China
| | - Kangqing Yu
- Institute of Optics and Electronics, Chinese Academy of Science, Chengdu, Sichuan, 610209, China
| | - Jing Yang
- Department of Clinical Nutrition, The First Affiliated Hospital of Soochow University, Suzhou, 215123, China
| | - Xing Tong
- Laboratory Center, Medical College of Soochow University, Suzhou, 215123, China
| | - Yaxin Guo
- School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou, Jiangsu, 215123, China
| | - Jiaying Xu
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, China
| | - Liqiang Qin
- School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou, Jiangsu, 215123, China
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Livanova AA, Fedorova AA, Zavirsky AV, Bikmurzina AE, Krivoi II, Markov AG. Dose and time dependence of functional impairments in rat jejunum following ionizing radiation exposure. Physiol Rep 2021; 9:e14960. [PMID: 34337895 PMCID: PMC8326886 DOI: 10.14814/phy2.14960] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/19/2021] [Accepted: 06/19/2021] [Indexed: 12/12/2022] Open
Abstract
Ionizing radiation causes dramatic change in the transport and barrier functions of the intestine. The degree of radiation damage rate depends primarily on the absorbed dose and post-irradiation time. Variety of experimental protocols providing different time points and doses exist, with the lack of a common approach. In this study, to develop a unified convenient experimental scheme, dose and time dependence of barrier and transport properties of rat jejunum following ionizing radiation exposure were examined. Male Wistar rats were exposed to total body X-ray irradiation (2, 5, or 10 Gy). The control group was subjected to sham irradiation procedure. Samples of rat jejunum were obtained at 24, 48, or 72 h post-irradiation. Transepithelial resistance, short circuit current (Isc ), and paracellular permeability for sodium fluorescein of jejunum samples were measured in an Ussing chamber; a histological examination was also performed. These parameters were significantly disturbed only 72 h after irradiation at a dose of 10 Gy, which was accompanied by loss of crypt and villi, inflammatory infiltrations, and disintegration of enterocytes. This suggests that found experimental point (72 h after 10 Gy exposure) is the most appropriate for future study using rat jejunum as a model.
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Affiliation(s)
- Alexandra A. Livanova
- Department of General PhysiologySt. Petersburg State UniversitySt. PetersburgRussia
- Department of BiologyS.M. Kirov Military Medical AcademySt. PetersburgRussia
| | - Arina A. Fedorova
- Department of General PhysiologySt. Petersburg State UniversitySt. PetersburgRussia
| | - Alexander V. Zavirsky
- Department of Military Toxicology and Medical DefenseS.M. Kirov Military Medical AcademySt. PetersburgRussia
| | | | - Igor I. Krivoi
- Department of General PhysiologySt. Petersburg State UniversitySt. PetersburgRussia
| | - Alexander G. Markov
- Department of General PhysiologySt. Petersburg State UniversitySt. PetersburgRussia
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Zhang Y, Liu JY, Shao JW, Luo QQ, Zhang YQ, Song G, Wang CY, Zhao SY, Wan C, Du XH, Xu LZ. Effective Model of Food Allergy in Mice Sensitized with Ovalbumin and Freud's Adjuvant. Bull Exp Biol Med 2021; 171:352-356. [PMID: 34297293 DOI: 10.1007/s10517-021-05226-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Indexed: 12/29/2022]
Abstract
To better explore the pathophysiology of FA and its therapy, we aimed to establish a simple and practicable FA model with Freund's adjuvant and introduce an easy and reliable laboratory evaluation method for assessment of inflammation in intestinal segments at different anatomical locations. BALB/c mice were sensitized with ovalbumin combined with Freund's adjuvant. Complete Freund's adjuvant was chosen for the first sensitization and two weeks later incomplete Freund's adjuvant was used for a second sensitization. Two weeks later, the sensitized mice were challenged with 50 mg ovalbumin every other day. After the 6 challenge, all mice were assessed for systemic anaphylaxis, and then sacrificed for sample collection. All sensitized mice showed anaphylactic symptoms and markedly increased levels of serum ovalbumin-specific IgE and IgG1. The activity of mast cell protease-1 (mMCPT-1) was significantly increased in the serum and interstitial fluid of the duodenum, jejunum, ileum, and colon. A successful FA model was established, of which inflammation occurred in the duodenum, jejunum, ileum, and colon. This model provides a reliable and simple tool for analysis of the mechanism of FA and methods of immunotherapy. Moreover, combined detection of ovalbumin-specific antibody and local mMCPT-1 levels could potentially be used as the major indicator for assessment of food allergy.
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Affiliation(s)
- Y Zhang
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - J Y Liu
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - J W Shao
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - Q Q Luo
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - Y Q Zhang
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - G Song
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - C Y Wang
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - S Y Zhao
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - C Wan
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - X H Du
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China
| | - L Z Xu
- Key Lab for Immunology, Universities of Shandong Province, School of Basic Medical Sciences, Weifang Medical University, Weifang, China.
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Panza SB, Vargas R, Balbo SL, Bonfleur ML, Granzotto DCT, Sant'Ana DMG, Nogueira-Melo GA. Perinatal exposure to low doses of glyphosate-based herbicide combined with a high-fat diet in adulthood causes changes in the jejunums of mice. Life Sci 2021; 275:119350. [PMID: 33737081 DOI: 10.1016/j.lfs.2021.119350] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 12/12/2022]
Abstract
AIM Exposure to pesticides and consumption of high-fat diets are widespread in society. Reports have shown that exposure to glyphosate and a high-fat diet can cause gastrointestinal disorders and increase susceptibility to obesity. Thus, this study evaluated the impacts of perinatal exposure to glyphosate followed by consumption of a high-fat diet in adulthood on the histology and morphometry of jejunums and enteric nervous system of C57BL/6 mice. MATERIAL AND METHODS After mating, 20 C57BL/6 female mice were separated into a control group (CG) and a glyphosate group (GLY) that received water with 0.5% glyphosate. After the lactation period, some male offspring were randomly separated into CG-SD and GLY-SD (standard diet) groups or CG-HD and GLY-HD (high-fat diet) groups. After 12 weeks, jejunum samples were collected and submitted to histological analysis. KEY FINDINGS Indirect exposure to glyphosate changed the morphometry of the intestinal wall, increased the proportion of intraepithelial lymphocytes (IELs) and goblet cells, and altered the area occupied by collagen fibers. The hyperlipidemic diet hypertrophied the jejunal total wall, total muscular and submucosal layers, decreased IELs, and increased the proportion of goblet cells. GLY-HD mice had shallower crypts, shorter villi, and less goblet cells and IELs than mice from GLY-SD group. GLY-HD also showed an increased number of neurons in myenteric and submucosal plexuses. Groups exposed to glyphosate and/or fed a high-fat diet had atrophied submucosal neurons. SIGNIFICANCE This study suggests that perinatal glyphosate exposure combined with a high-fat diet in adulthood increases the risk of jejunum inflammation and dysfunction.
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Affiliation(s)
- S B Panza
- Biosciences and Physiopathology Program, Universidade Estadual de Maringá, Maringá, Brazil
| | - R Vargas
- Laboratory of Cellular and Molecular Biology, Universidade Estadual de Maringá, Maringá, Brazil
| | - S L Balbo
- Laboratory of Biophysics and Human Physiology, Universidade Estadual do Oeste do Paraná, Cascavel, Brazil
| | - M L Bonfleur
- Laboratory of Biophysics and Human Physiology, Universidade Estadual do Oeste do Paraná, Cascavel, Brazil
| | - D C T Granzotto
- Department of Statistics, Universidade Estadual de Maringá, Maringá, Brazil
| | - D M G Sant'Ana
- Biosciences and Physiopathology Program, Universidade Estadual de Maringá, Maringá, Brazil; Department of Morphological Sciences, Universidade Estadual de Maringá, Maringá, Brazil
| | - G A Nogueira-Melo
- Biosciences and Physiopathology Program, Universidade Estadual de Maringá, Maringá, Brazil.
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Freiche V, Cordonnier N, Paulin MV, Huet H, Turba ME, Macintyre E, Malamut G, Cerf-Bensussan N, Molina TJ, Hermine O, Bruneau J, Couronné L. Feline low-grade intestinal T cell lymphoma: a unique natural model of human indolent T cell lymphoproliferative disorder of the gastrointestinal tract. J Transl Med 2021; 101:794-804. [PMID: 33692440 DOI: 10.1038/s41374-021-00581-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 02/06/2021] [Accepted: 02/07/2021] [Indexed: 12/20/2022] Open
Abstract
Indolent T cell lymphoproliferative disorder (LPD) of the gastrointestinal tract (GI-TLPD) is a rare human primary gastrointestinal T cell lymphoma that was recently included in the 2016 revision of the World Health Organization classification of lymphoid neoplasms. Low-grade intestinal T cell lymphoma (LGITL), an emerging disease in the domestic cat, shares a number of features with human GI-TLPD. In this prospective study, we determined whether feline LGITL might serve as a model of human GI-TLPD. We analyzed clinical, laboratory, and radiological data and performed histopathological and molecular studies on small intestinal biopsies from 22 domestic cats diagnosed with LGITL. This cancer mostly affects aging cats, is associated with nonspecific gastrointestinal tract signs, and is usually characterized by an indolent course. A histopathological analysis indicated that LGITL was mainly located in the jejunum. The small intestinal lamina propria was infiltrated by large numbers of small CD3+ T cell lymphocytes with various CD4 and CD8 expression profiles (CD4+ CD8- (4 out of 11, 36%), CD4- CD8+ (3 out of 11, 27%), and CD4- CD8- (4 out of 11, 36%)). Intraepithelial lymphocyte (IEL) counts were elevated in all cases. Ki67 was expressed in lamina propria lymphocytes and IELs at a low level (<30%). Most LGITLs were labelled by antibodies against phosphorylated STAT5, but were negative for CD56 and phosphorylated STAT3. T cell receptor gamma chain gene monoclonality was found in 86% of cases. These findings confirmed that feline LGITL shares clinical and histopathological features with human GI-TLPD. Feline LGITL may therefore constitute a relevant model of the human disease.
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Affiliation(s)
- Valérie Freiche
- Internal Medicine Department, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France
| | - Nathalie Cordonnier
- Pathology Department, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | - Mathieu Victor Paulin
- Internal Medicine Department, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | - Hélène Huet
- Pathology Department, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | | | - Elizabeth Macintyre
- Laboratory of Onco-Hematology, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP), University of Paris, Paris, France
- INSERM U1151, Necker-Enfants Malades Institute, Paris, France
| | - Georgia Malamut
- Gastroenterology Department, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris (APHP), University of Paris, Paris, France
- Laboratory of Intestinal Immunity, INSERM U1163, Imagine Institute, Paris, France
| | | | - Thierry Jo Molina
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France
- Pathology Department, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (APHP), University of Paris, Paris, France
| | - Olivier Hermine
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France
- Hematology Department, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (APHP), University of Paris, Paris, France
| | - Julie Bruneau
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France
- Pathology Department, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (APHP), University of Paris, Paris, France
| | - Lucile Couronné
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France.
- Laboratory of Onco-Hematology, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP), University of Paris, Paris, France.
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Verhaar N, de Buhr N, von Köckritz-Blickwede M, Hewicker-Trautwein M, Pfarrer C, Mazzuoli-Weber G, Schulte H, Kästner S. Ischaemic postconditioning reduces apoptosis in experimental jejunal ischaemia in horses. BMC Vet Res 2021; 17:175. [PMID: 33902575 PMCID: PMC8077964 DOI: 10.1186/s12917-021-02877-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/12/2021] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND Ischaemic postconditioning (IPoC) refers to brief periods of reocclusion of blood supply following an ischaemic event. This has been shown to ameliorate ischaemia reperfusion injury in different tissues, and it may represent a feasible therapeutic strategy for ischaemia reperfusion injury following strangulating small intestinal lesions in horses. The objective of this study was to assess the degree cell death, inflammation, oxidative stress, and heat shock response in an equine experimental jejunal ischaemia model with and without IPoC. METHODS In this randomized, controlled, experimental in vivo study, 14 horses were evenly assigned to a control group and a group subjected to IPoC. Under general anaesthesia, segmental ischaemia with arterial and venous occlusion was induced in 1.5 m jejunum. Following ischaemia, the mesenteric vessels were repeatedly re-occluded in group IPoC only. Full thickness intestinal samples and blood samples were taken at the end of the pre-ischaemia period, after ischaemia, and after 120 min of reperfusion. Immunohistochemical staining or enzymatic assays were performed to determine the selected variables. RESULTS The mucosal cleaved-caspase-3 and TUNEL cell counts were significantly increased after reperfusion in the control group only. The cleaved-caspase-3 cell count was significantly lower in group IPoC after reperfusion compared to the control group. After reperfusion, the tissue myeloperoxidase activity and the calprotectin positive cell counts in the mucosa were increased in both groups, and only group IPoC showed a significant increase in the serosa. Tissue malondialdehyde and superoxide dismutase as well as blood lactate levels showed significant progression during ischaemia or reperfusion. The nuclear immunoreactivity of Heat shock protein-70 increased significantly during reperfusion. None of these variables differed between the groups. The neuronal cell counts in the myenteric plexus ganglia were not affected by the ischaemia model. CONCLUSIONS A reduced apoptotic cell count was found in the group subjected to IPoC. None of the other tested variables were significantly affected by IPoC. Therefore, the clinical relevance and possible protective mechanism of IPoC in equine intestinal ischaemia remains unclear. Further research on the mechanism of action and its effect in clinical cases of strangulating colic is needed.
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Affiliation(s)
- Nicole Verhaar
- Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany.
| | - Nicole de Buhr
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Maren von Köckritz-Blickwede
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | | | - Christiane Pfarrer
- Institute for Anatomy, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Gemma Mazzuoli-Weber
- Institute for Physiology and Cell Biology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Henri Schulte
- Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany
| | - Sabine Kästner
- Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany
- Small Animal Clinic, University of Veterinary Medicine Hannover, Hannover, Germany
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Xia C, Zhang X, Zhang Y, Li J, Xing H. Ammonia exposure causes the disruption of the solute carrier family gene network in pigs. Ecotoxicol Environ Saf 2021; 210:111870. [PMID: 33440271 DOI: 10.1016/j.ecoenv.2020.111870] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/22/2020] [Accepted: 12/25/2020] [Indexed: 06/12/2023]
Abstract
Ammonia is the main harmful gas in livestock houses. However, the toxic mechanism of ammonia is still unclear. Therefore, we examined the effects of ammonia exposure on different tissues of fattening pigs by histological analysis and transcriptome techniques in this study. The results showed that there were varying degrees of pathological changes in liver, kidney, hypothalamus, jejunum, lungs, spleen, heart and trachea of fattening pigs under ammonia exposure. Notably, the extent of damage in liver, kidney, jejunum, lungs, hypothalamus and trachea was more severe than that in heart and spleen. Transcriptome results showed that ammonia exposure caused changes in 349, 335, 340, 229, 120, 578, 407 and 115 differentially expressed genes in liver, kidney, spleen, lung, trachea, hypothalamus, jejunum and heart, respectively. Interestingly, the changes in solute vector (SLC) family genes were found in all 8 tissues, and the verified gene results (SLC11A1, SLC17A7, SLC17A6, SLC6A4, SLC22A7, SLC25A3, SLC28A3, SLC7A2, SLC6A6, SLC38A5, SLC22A12, SLC34A1, SLC26A1, SLC26A6, SLC27A5, SLC22A8 and SLC44A4) were consistent with qRT-PCR results. In conclusion, ammonia exposure can cause pathological changes in many tissues and organs of fattening pigs and changes in the SCL family gene network. Importantly, the SCL family is involved in the toxic mechanism of ammonia. Our findings will provide a new insight for better assessing the mechanism of ammonia toxicity.
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Affiliation(s)
- Chunli Xia
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Xinxin Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Yu Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China; Heilongjiang Agricultural and Rural Department, 4-1 Wenfu Street, Harbin 150060, People's Republic of China
| | - Jichang Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, People's Republic of China.
| | - Houjuan Xing
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China.
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Zhang J, Li K, Zhang Q, Zhu Z, Huang G, Tian H. Polycysteine as a new type of radio-protector ameliorated tissue injury through inhibiting ferroptosis in mice. Cell Death Dis 2021; 12:195. [PMID: 33602915 PMCID: PMC7977147 DOI: 10.1038/s41419-021-03479-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 01/08/2023]
Abstract
Amifostine has been the only small molecule radio-protector approved by FDA for decades; however, the serious adverse effects limit its clinical use. To address the toxicity issues and maintain the good potency, a series of modified small polycysteine peptides had been prepared. Among them, compound 5 exhibited the highest radio-protective efficacy, the same as amifostine, but much better safety profile. To confirm the correlation between the radiation-protective efficacy and the DNA binding capability, each of the enantiomers of the polycysteine peptides had been prepared. As a result, the L-configuration compounds had obviously higher efficacy than the corresponding D-configuration enantiomers; among them, compound 5 showed the highest DNA binding capability and radiation-protective efficacy. To our knowledge, this is the first study that has proved their correlations using direct comparison. Further exploration of the mechanism revealed that the ionizing radiation (IR) triggered ferroptosis inhibition by compound 5 could be one of the pathways for the protection effect, which was different from amifostine. In summary, the preliminary result showed that compound 5, a polycysteine as a new type of radio-protector, had been developed with good efficacy and safety profile. Further study of the compound for potential use is ongoing.
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Affiliation(s)
- Junling Zhang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, 300000, Tianjin, China
| | - Kui Li
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, 300000, Tianjin, China
| | - Qianru Zhang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, 300000, Tianjin, China
| | - Zhimei Zhu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, 300000, Tianjin, China
| | | | - Hongqi Tian
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, 300000, Tianjin, China.
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38
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Yu XC, Fu Y, Bi YH, Zhang WW, Li J, Ji T, Chao Y, Meng QH, Chen Q, Ma MH, Zhang YH, Shan J, Bian HM. Alisol B 23-acetate activates ABCG5/G8 in the jejunum via the LXRα/ACAT2 pathway to relieve atherosclerosis in ovariectomized ApoE -/- mice. Aging (Albany NY) 2020; 12:25744-25766. [PMID: 33234731 PMCID: PMC7803561 DOI: 10.18632/aging.104185] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 10/06/2020] [Indexed: 12/20/2022]
Abstract
Phytosterols have been shown to improve blood lipid levels and treat atherosclerosis. This research investigated the effects of phytosterol Alisol B 23-acetate (AB23A) on jejunum lipid metabolism and atherosclerosis. The results show that intragastric administration of AB23A can significantly reduce atherosclerotic plaque area and lipid accumulation in the jejunum of ovariectomized ApoE-/- mice fed a high-fat diet and can also improve the lipid mass spectra of the plasma and jejunum. In vitro studies have shown that AB23A can increase cholesterol outflow in Caco-2 cells exposed to high fat concentrations and increase the expression of ATP-binding cassette transfer proteins G5/G8 (ABCG5/G8), the liver X receptor α (LXRα). Furthermore, inhibition of LXRα can significantly eliminate the active effect of AB23A on decreasing intracellular lipid accumulation. We also confirmed that AB23A has a negative effect on Acyl-CoA cholesterol acyltransferase 2 (ACAT2) in Caco-2 cells cultured in the high concentrations of fat, and we found that AB23A further reduces ACAT2 expression in cells treated with the ACAT2 inhibitor pyripyropene or transfected with ACAT2 siRNA. In conclusion, we confirmed that AB23A can reduce the absorption of dietary lipids in the jejunum by affecting the LXRα-ACAT2-ABCG5/G8 pathway and ultimately exert an anti-atherosclerotic effect.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily G, Member 5/drug effects
- ATP Binding Cassette Transporter, Subfamily G, Member 5/metabolism
- ATP Binding Cassette Transporter, Subfamily G, Member 8/drug effects
- ATP Binding Cassette Transporter, Subfamily G, Member 8/metabolism
- Animals
- Aorta/drug effects
- Aorta/metabolism
- Aorta/pathology
- Atherosclerosis/metabolism
- Atherosclerosis/pathology
- Caco-2 Cells
- Cholestenones/pharmacology
- Cholesterol/metabolism
- Cholesterol Esters/metabolism
- Diet, High-Fat
- Female
- Glycerophospholipids/metabolism
- Humans
- Jejunum/drug effects
- Jejunum/metabolism
- Jejunum/pathology
- Lipid Droplets/drug effects
- Lipid Droplets/metabolism
- Lipid Droplets/pathology
- Lipid Metabolism/drug effects
- Lipoproteins/drug effects
- Lipoproteins/metabolism
- Liver X Receptors/drug effects
- Liver X Receptors/metabolism
- Mice
- Mice, Knockout, ApoE
- Ovariectomy
- Plaque, Atherosclerotic/metabolism
- Plaque, Atherosclerotic/pathology
- Sterol O-Acyltransferase/drug effects
- Sterol O-Acyltransferase/metabolism
- Triglycerides/metabolism
- Sterol O-Acyltransferase 2
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Affiliation(s)
- Xi-Chao Yu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yu Fu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yun-Hui Bi
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Wei-Wei Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jun Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Tingting Ji
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Ying Chao
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qing-Hai Meng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qi Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Meng-Hua Ma
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yu-Han Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jinjun Shan
- Institute of Pediatrics, Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Medical Metabolomics Center, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Hui-Min Bian
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
- National Standard Laboratory of Pharmacology of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Key Laboratory of Therapeutic Material of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
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39
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Foulke-Abel J, Yu H, Sunuwar L, Lin R, Fleckenstein JM, Kaper JB, Donowitz M. Phosphodiesterase 5 (PDE5) restricts intracellular cGMP accumulation during enterotoxigenic Escherichia coli infection. Gut Microbes 2020; 12:1752125. [PMID: 32378997 PMCID: PMC7524150 DOI: 10.1080/19490976.2020.1752125] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 03/09/2020] [Accepted: 03/27/2020] [Indexed: 02/06/2023] Open
Abstract
Diarrhea caused by enterotoxigenic Escherichia coli (ETEC) has a continuing impact on residents and travelers in underdeveloped countries. Both heat-labile (LT) and heat-stable (ST) enterotoxins contribute to pathophysiology via induction of cyclic nucleotide synthesis, and previous investigations focused on intracellular signal transduction rather than possible intercellular second messenger signaling. We modeled ETEC infection in human jejunal enteroid/organoid monolayers (HEM) and evaluated cyclic nucleotide pools, finding that intracellular cAMP was significantly increased but also underwent apical export, whereas cGMP was minimally retained intracellularly and predominantly effluxed into the basolateral space. LT and virulence factors including EatA, EtpA, and CfaE promoted ST release and enhanced ST-stimulated cGMP production. Intracellular cGMP was regulated by MK-571-sensitive export in addition to degradation by phosphodiesterase 5. HEMs had limited ST-induced intracellular cGMP accumulation compared to T84 or Caco-2 models. Cyclic nucleotide export/degradation demonstrates additional complexity in the mechanism of ETEC infection and may redirect understanding of diarrheal onset.
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Affiliation(s)
- Jennifer Foulke-Abel
- Division of Gastroenterology & Hepatology, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, MD, USA
| | - Huimin Yu
- Division of Gastroenterology & Hepatology, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, MD, USA
| | - Laxmi Sunuwar
- Division of Gastroenterology & Hepatology, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, MD, USA
| | - Ruxian Lin
- Division of Gastroenterology & Hepatology, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, MD, USA
| | - James M Fleckenstein
- Division of Infectious Diseases, Department of Medicine, Washington University School of Medicine , St. Louis, MO, USA
| | - James B Kaper
- Department of Microbiology & Immunology, University of Maryland School of Medicine , Baltimore, MD, USA
| | - Mark Donowitz
- Division of Gastroenterology & Hepatology, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, MD, USA
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40
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Zhang W, Zhang S, Wang J, Shan A, Xu L. Changes in intestinal barrier functions and gut microbiota in rats exposed to zearalenone. Ecotoxicol Environ Saf 2020; 204:111072. [PMID: 32758694 DOI: 10.1016/j.ecoenv.2020.111072] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 07/22/2020] [Accepted: 07/24/2020] [Indexed: 05/10/2023]
Abstract
Zearalenone (ZEN) is a mycotoxin that causes serious health problems in humans and animals. However, few studies have focused on the destruction of the intestinal barrier caused by ZEN. In this study, rats were exposed to different dosages of ZEN (0, 0.2, 1.0 and 5.0 mg/kg bw) by gavage for 4 weeks. The results showed that 1.0 and 5.0 mg/kg ZEN impaired gut morphology, induced the inflammatory response, reduced mucin expression, increased intestinal permeability, decreased the expression of TJ proteins and activated the RhoA/ROCK pathway. However, 0.2 mg/kg ZEN had no significant effect on intestinal barrier except for reducing the expression of some TJ proteins and mucins. Moreover, exposure to ZEN led to slight imbalance in microbiota. In conclusion, ZEN exposure resulted in intestinal barrier dysfunction by inducing intestinal microbiota dysbiosis, decreasing the expression of TJ proteins, activating the RhoA/ROCK pathway, and inducing the inflammatory response.
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Affiliation(s)
- Wei Zhang
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Shihua Zhang
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Jingjing Wang
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Anshan Shan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Li Xu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China.
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41
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Meran L, Massie I, Campinoti S, Weston AE, Gaifulina R, Tullie L, Faull P, Orford M, Kucharska A, Baulies A, Novellasdemunt L, Angelis N, Hirst E, König J, Tedeschi AM, Pellegata AF, Eli S, Snijders AP, Collinson L, Thapar N, Thomas GMH, Eaton S, Bonfanti P, De Coppi P, Li VSW. Engineering transplantable jejunal mucosal grafts using patient-derived organoids from children with intestinal failure. Nat Med 2020; 26:1593-1601. [PMID: 32895569 PMCID: PMC7116539 DOI: 10.1038/s41591-020-1024-z] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 07/17/2020] [Indexed: 11/08/2022]
Abstract
Intestinal failure, following extensive anatomical or functional loss of small intestine, has debilitating long-term consequences for children1. The priority of patient care is to increase the length of functional intestine, particularly the jejunum, to promote nutritional independence2. Here we construct autologous jejunal mucosal grafts using biomaterials from pediatric patients and show that patient-derived organoids can be expanded efficiently in vitro. In parallel, we generate decellularized human intestinal matrix with intact nanotopography, which forms biological scaffolds. Proteomic and Raman spectroscopy analyses reveal highly analogous biochemical profiles of human small intestine and colon scaffolds, indicating that they can be used interchangeably as platforms for intestinal engineering. Indeed, seeding of jejunal organoids onto either type of scaffold reliably reconstructs grafts that exhibit several aspects of physiological jejunal function and that survive to form luminal structures after transplantation into the kidney capsule or subcutaneous pockets of mice for up to 2 weeks. Our findings provide proof-of-concept data for engineering patient-specific jejunal grafts for children with intestinal failure, ultimately aiding in the restoration of nutritional autonomy.
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Affiliation(s)
- Laween Meran
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Isobel Massie
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Sara Campinoti
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Anne E Weston
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Riana Gaifulina
- Department of Cell and Developmental Biology, University College London, London, UK
| | - Lucinda Tullie
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Peter Faull
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Michael Orford
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Anna Kucharska
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Anna Baulies
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Laura Novellasdemunt
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Nikolaos Angelis
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Elizabeth Hirst
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Julia König
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Alfonso Maria Tedeschi
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Alessandro Filippo Pellegata
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Susanna Eli
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Ambrosius P Snijders
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Lucy Collinson
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
| | - Nikhil Thapar
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
- Gastroenterology, Hepatology and Liver Transplant, Queensland Children's Hospital, Brisbane, Queensland, Australia
| | - Geraint M H Thomas
- Department of Cell and Developmental Biology, University College London, London, UK
| | - Simon Eaton
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Paola Bonfanti
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Paolo De Coppi
- Stem Cell and Regenerative Medicine Section, DBC, Great Ormond Street Institute of Child Health, University College London, London, UK.
- Specialist Neonatal and Paediatric Service, Great Ormond Street Hospital, London, UK.
| | - Vivian S W Li
- Stem Cell and Cancer Biology Laboratory, The Francis Crick Institute, London, UK.
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42
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Matsuu-Matsuyama M, Shichijo K, Tsuchiya T, Kondo H, Miura S, Matsuda K, Sekine I, Nakashima M. Protective effects of a cystine and theanine mixture against acute radiation injury in rats. Environ Toxicol Pharmacol 2020; 78:103395. [PMID: 32325407 DOI: 10.1016/j.etap.2020.103395] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 04/07/2020] [Accepted: 04/09/2020] [Indexed: 06/11/2023]
Abstract
This study aims to examine the effects of cystine and theanine (CT), which increases glutathione biosynthesis, on the survival rate and acute radiation injury of the small intestine and bone marrow using a rat model. CT pre-treatment (280 mg/kg for 5 days) significantly improved weight loss and survival rate of rats as compared with the control group after 5 Gy. CT pre-treatment significantly increased the rate of mucosa and crypt length, and decreased the number of apoptotic cells, TUNEL and cleaved caspase-3 positive cells, while increasing the number of mitotic cells and Ki-67 positive cells in jejunal crypts and villi compared to control rats post-irradiation. CT also suppressed bone marrow cell loss and reduced the number of apoptotic cells in bone marrow. These results suggest a protective effect of CT pre-treatment for acute injury after irradiation through apoptosis inhibition and increased proliferative activity in jejunal crypt cells and bone marrow cells.
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Affiliation(s)
- Mutsumi Matsuu-Matsuyama
- Tissue and Histopathology Section, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan.
| | - Kazuko Shichijo
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan.
| | - Takashi Tsuchiya
- Sendai City Medical Center, 5-22-1 Tsurugaya, Miyagino, Miyagi 983-0824, Japan.
| | - Hisayoshi Kondo
- Biostatistics Section, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan.
| | - Shiro Miura
- Department of Pathology, National Hospital Organization Nagasaki Medical Center, 2-1001-1 Kubara, Omura, Nagasaki 856-8562, Japan.
| | - Katsuya Matsuda
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan.
| | - Ichiro Sekine
- Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan.
| | - Masahiro Nakashima
- Tissue and Histopathology Section, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan; Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan.
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43
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Xie S, Jiang L, Wang M, Sun W, Yu S, Turner JR, Yu Q. Cadmium ingestion exacerbates Salmonella infection, with a loss of goblet cells through activation of Notch signaling pathways by ROS in the intestine. J Hazard Mater 2020; 391:122262. [PMID: 32062544 PMCID: PMC10639089 DOI: 10.1016/j.jhazmat.2020.122262] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/19/2020] [Accepted: 02/08/2020] [Indexed: 05/15/2023]
Abstract
Whether cadmium ingestion affects the susceptibility to infection and the detailed mechanism have not been investigated. We aimed to evaluate the effects of cadmium on the intestinal mucosal barrier and Salmonella infection. We found that oral administration of cadmium caused damage to the intestinal mucosal barrier, with body weight loss, an increase in inflammation, significantly reduced Muc2 expression and goblet cell loss in the intestine. The effect of cadmium on secretory cell differentiation was further demonstrated to be regulated by the overactivation of the Notch signaling pathway by increased production of ROS both in mice and in intestinal organoids. The damage of cadmium to the intestinal barrier, and goblet cell and Paneth cells loss, dramatically increased susceptibility to enteropathogensinfection at a low dose (102 CFU), with a high death ratio, body weight loss and severe intestinal inflammation. However, enteropathogens susceptibility and intestinal barrier damage enhanced by cadmium was alleviated by inhibiting ROS production and Notch pathway activation, with reversion of goblet cell loss. This study indicated cadmium didn't only affect the integrity of intestinal barrier and epithelial differentiation, but also increased the risk of enteropathogenic infection from food contamination or environmental pollution, which signals an alarm for public health.
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Affiliation(s)
- Shuang Xie
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Lan Jiang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Minjuan Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Wenjing Sun
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Siyong Yu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Jerrold R Turner
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA; Department of Medicine, Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Boston, MA, USA
| | - Qinghua Yu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China.
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44
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König KS, Verhaar N, Hopster K, Pfarrer C, Neudeck S, Rohn K, Kästner SBR. Ischaemic preconditioning and pharmacological preconditioning with dexmedetomidine in an equine model of small intestinal ischaemia-reperfusion. PLoS One 2020; 15:e0224720. [PMID: 32348301 PMCID: PMC7190151 DOI: 10.1371/journal.pone.0224720] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 04/08/2020] [Indexed: 02/06/2023] Open
Abstract
Small intestinal strangulation associated with ischaemia-reperfusion injury (IRI) is common in horses. In laboratory animals IRI can be ameliorated by ischaemic preconditioning (IPC) and pharmacological preconditioning (PPC) with dexmedetomidine. The aim of this study was to determine the effect of PPC with dexmedetomidine or IPC in an equine model of small intestinal ischaemia-reperfusion (IR). In a randomized controlled experimental trial, 15 horses were assigned to three groups: control (C), IPC, and PPC with dexmedetomidine (DEX). All horses were placed under general anaesthesia and 90% jejunal ischaemia was induced for 90 minutes, followed 30 minutes of reperfusion. In group IPC, three short bouts of ischaemia and reperfusion were implemented, and group DEX received a continuous rate infusion of dexmedetomidine prior to the main ischaemia. Jejunal biopsies were collected before ischaemia (P), and at the end of ischaemia (I) and reperfusion (R). Mucosal injury was assessed by the Chiu-Score, inflammatory cells were stained by cytosolic calprotectin. The degree of apoptosis and cell necrosis was assessed by cleaved-caspase-3 and TUNEL. Parametric data were analyzed by two-way ANOVA for repeated measurements followed by Dunnetts t-test. Non parametric data were compared between groups at the different time points by a Kruskal-Wallis-Test and a Wilcoxon-2-Sample-test. The mucosal injury score increased during I in all groups. After reperfusion, IRI further progressed in group C, but not in IPC and DEX. In all groups the number of cleaved caspase-3 and TUNEL positive cells increased from P to I. The number of TUNEL positive cells were lower in group DEX compared to group C after I and R. Infiltration with calprotectin positive cells was less pronounced in group DEX compared to group C, whereas in group IPC more calprotectin positive cells were seen. In conclusion, IPC and DEX exert protective effects in experimental small intestinal ischaemia in horses.
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Affiliation(s)
- Kathrin S. König
- Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Nicole Verhaar
- Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Klaus Hopster
- Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Christiane Pfarrer
- Institute for Anatomy, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Stephan Neudeck
- Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Karl Rohn
- Department of Biometry, Epidemiology and Information Processing, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Sabine B. R. Kästner
- Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany
- Clinic for Small Animals, University of Veterinary Medicine Hannover, Hannover, Germany
- * E-mail:
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Kakiuchi T, Nakayama A, Nojiri J, Yamanouchi T, Matsuo M. Jejuno-jejunal intussusception caused by a percutaneous endoscopic gastrojejunostomy tube in a pediatric patient: A case report. Medicine (Baltimore) 2020; 99:e19888. [PMID: 32312016 PMCID: PMC7220696 DOI: 10.1097/md.0000000000019888] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
RATIONALE Although percutaneous endoscopic gastrojejunostomy (PEG-J) tubes are believed to reduce the side effect of aspiration, cautious catheter management is required. Intussusception is a serious complication of these tubes. PATIENT CONCERNS A 7-year-old boy bedridden with hypoxic encephalopathy owing to drowning at the age of 1 year was admitted our hospital with urinary retention for 1 month. At the age of 4 years, a PEG-J tube was inserted. Concomitant with hyperaldosteronemia, an intestinal intussusception from the duodenum to the jejunum was observed via computed tomography (CT). The patient's condition worsened dramatically; gastrointestinal perforation was suspected, and laparotomy was performed. DIAGNOSIS Jejuno-jejunal intussusception. INTERVENTIONS Open surgery was performed to release the intussusception. By assessing the reduced intestinal tract, the intussusception starting from a 50 cm portion from the Treitz ligament had been extended to 100 cm from the Treitz ligament. The oral side jejunum was dilated. No evidence of intestinal perforation or strangulated ileus was observed, and the intussusception was manually remediable. OUTCOMES Preoperative CT examination showed intussusception from the duodenum to the jejunum. Laparotomy showed intussusception on the anal side of the Treitz ligament. With regard to the CT findings associated with the progression of intussusception to the duodenal site, as a result of the telescope phenomenon extending to the duodenum due to the relaxation of the Treitz ligament through repeated intussusception, it was considered that CT examination revealed intussusception extending from the jejunum to the duodenum of oral side. After 3 postoperative weeks, the patient was finally able to return home. LESSONS If the ileus is observed during the insertion of a PEG-J, clinicians should consider the possibility of intussusception even in the duodenum.
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Affiliation(s)
| | | | - Junichi Nojiri
- Department of Radiology, Faculty of Medicine, Saga University
| | - Takeshi Yamanouchi
- Department of Pediatric Surgery, Saga-Ken Medical Center Koseikan, Saga, Japan
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Nakagawa K, Hara K, Fikree A, Siddiqi S, Woodland P, Masamune A, Aziz Q, Sifrim D, Yazaki E. Patients with dyspepsia have impaired mucosal integrity both in the duodenum and jejunum: in vivo assessment of small bowel mucosal integrity using baseline impedance. J Gastroenterol 2020; 55:273-280. [PMID: 31468184 PMCID: PMC7026227 DOI: 10.1007/s00535-019-01614-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 08/09/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND Recent studies reported that impaired proximal duodenal mucosa, assessed by duodenal biopsy, could play an important role in the development of dyspeptic symptoms. The aims of this study were (a) to develop a method to measure "in vivo" duodenal and jejunal baseline impedance (BI) and (b) to assess small bowel mucosal integrity in patients with functional dyspepsia (FD) and healthy controls (HC). METHODS We recruited 16 patients with FD and 15 HC. All subjects underwent ambulatory duodeno-jejunal manometry combined with impedance (HRM/Z), BI were determined by measuring impedance immediately after the passage of nocturnal migrating motor complex (MMC) phase IIIs. RESULTS The number of MMC phase IIIs in FD was significantly lower than that in HC (2.6 ± 1.4 vs 4.8 ± 1.7, p < 0.001). The BI in patients was significantly lower than that in HC in D1(164.2 ± 59.8 Ω in FD and 243.1 ± 40.5 Ω in HC, p = 0.0061), D2 (191.2 ± 34.1 and 256.5 ± 91.4 Ω, p = 0.01), D3 (214.0 ± 76.9 and 278.1 ± 45.3 Ω, p = 0.009), D4 (270.8 ± 54.2 and 351.8 ± 50.2 Ω, p < 0.001), and J1 (312.2 ± 55.4 and 379.3 ± 38.3 Ω, p = 0.001). CONCLUSIONS This is the first study reporting the duodenal and jejunal BI in vivo. The results have shown significantly lowered BI in the proximal small intestine in patients with FD compared to HC. Furthermore it suggests that measurements of small bowel BI could be used as a biomarker for diagnosis and follow up of patients with FD.
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Affiliation(s)
- Kenichiro Nakagawa
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 26 Ashfield Street, Whitechapel, London, E1 AJ UK
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aobaku, Sendai, 980-8574 Japan
| | - Ken Hara
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 26 Ashfield Street, Whitechapel, London, E1 AJ UK
- Division of Gastroenterology, Hyogo College of Medicine, 1-1 Mukogawacho, Nishinomiya, 663-8501 Hyogo Japan
| | - Asma Fikree
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 26 Ashfield Street, Whitechapel, London, E1 AJ UK
| | - Shahab Siddiqi
- Division of General Surgery, Broomfield Hospital, Court Rd, Broomfield, Chelmsford, CM1 7ET UK
| | - Philip Woodland
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 26 Ashfield Street, Whitechapel, London, E1 AJ UK
| | - Atsushi Masamune
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aobaku, Sendai, 980-8574 Japan
| | - Qasim Aziz
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 26 Ashfield Street, Whitechapel, London, E1 AJ UK
| | - Daniel Sifrim
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 26 Ashfield Street, Whitechapel, London, E1 AJ UK
| | - Etsuro Yazaki
- Wingate Institute of Neurogastroenterology, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 26 Ashfield Street, Whitechapel, London, E1 AJ UK
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Sandner G, Mueller AS, Zhou X, Stadlbauer V, Schwarzinger B, Schwarzinger C, Wenzel U, Maenner K, van der Klis JD, Hirtenlehner S, Aumiller T, Weghuber J. Ginseng Extract Ameliorates the Negative Physiological Effects of Heat Stress by Supporting Heat Shock Response and Improving Intestinal Barrier Integrity: Evidence from Studies with Heat-Stressed Caco-2 Cells, C. elegans and Growing Broilers. Molecules 2020; 25:E835. [PMID: 32075045 PMCID: PMC7070719 DOI: 10.3390/molecules25040835] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 02/11/2020] [Accepted: 02/13/2020] [Indexed: 12/15/2022] Open
Abstract
Climatic changes and heat stress have become a great challenge in the livestock industry, negatively affecting, in particular, poultry feed intake and intestinal barrier malfunction. Recently, phytogenic feed additives were applied to reduce heat stress effects on animal farming. Here, we investigated the effects of ginseng extract using various in vitro and in vivo experiments. Quantitative real-time PCR, transepithelial electrical resistance measurements and survival assays under heat stress conditions were carried out in various model systems, including Caco-2 cells, Caenorhabditis elegans and jejunum samples of broilers. Under heat stress conditions, ginseng treatment lowered the expression of HSPA1A (Caco-2) and the heat shock protein genes hsp-1 and hsp-16.2 (both in C. elegans), while all three of the tested genes encoding tight junction proteins, CLDN3, OCLN and CLDN1 (Caco-2), were upregulated. In addition, we observed prolonged survival under heat stress in Caenorhabditis elegans, and a better performance of growing ginseng-fed broilers by the increased gene expression of selected heat shock and tight junction proteins. The presence of ginseng extract resulted in a reduced decrease in transepithelial resistance under heat shock conditions. Finally, LC-MS analysis was performed to quantitate the most prominent ginsenosides in the extract used for this study, being Re, Rg1, Rc, Rb2 and Rd. In conclusion, ginseng extract was found to be a suitable feed additive in animal nutrition to reduce the negative physiological effects caused by heat stress.
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Affiliation(s)
- Georg Sandner
- School of Engineering and Environmental Sciences, University of Applied Sciences Upper Austria, Stelzhamerstraße 23, Wels 4600, Austria; (G.S.); (V.S.); (B.S.)
| | - Andreas S. Mueller
- Delacon Biotechnik GmbH, Weissenwolffstraße 14, Steyregg 4221, Austria; (X.Z.); (J.D.v.d.K.); (S.H.); (T.A.)
| | - Xiaodan Zhou
- Delacon Biotechnik GmbH, Weissenwolffstraße 14, Steyregg 4221, Austria; (X.Z.); (J.D.v.d.K.); (S.H.); (T.A.)
| | - Verena Stadlbauer
- School of Engineering and Environmental Sciences, University of Applied Sciences Upper Austria, Stelzhamerstraße 23, Wels 4600, Austria; (G.S.); (V.S.); (B.S.)
- FFoQSI GmbH-Austrian Competence Centre for Feed and Food Quality, Safety and Innovation, Technopark 1C, Tulln 3430, Austria
| | - Bettina Schwarzinger
- School of Engineering and Environmental Sciences, University of Applied Sciences Upper Austria, Stelzhamerstraße 23, Wels 4600, Austria; (G.S.); (V.S.); (B.S.)
- FFoQSI GmbH-Austrian Competence Centre for Feed and Food Quality, Safety and Innovation, Technopark 1C, Tulln 3430, Austria
- Johannes Kepler University, Institute for Chemical Technology of Organic Materials, Linz, Austria 4040;
| | - Clemens Schwarzinger
- Johannes Kepler University, Institute for Chemical Technology of Organic Materials, Linz, Austria 4040;
| | - Uwe Wenzel
- Molecular Nutrition Research, Interdisciplinary Research Centre, Justus-Liebig-University of Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany;
| | - Klaus Maenner
- Institute of Animal Nutrition of Free University Berlin, Königin-Luise-Str.49, 14195 Berlin, Germany;
| | - Jan Dirk van der Klis
- Delacon Biotechnik GmbH, Weissenwolffstraße 14, Steyregg 4221, Austria; (X.Z.); (J.D.v.d.K.); (S.H.); (T.A.)
| | - Stefan Hirtenlehner
- Delacon Biotechnik GmbH, Weissenwolffstraße 14, Steyregg 4221, Austria; (X.Z.); (J.D.v.d.K.); (S.H.); (T.A.)
| | - Tobias Aumiller
- Delacon Biotechnik GmbH, Weissenwolffstraße 14, Steyregg 4221, Austria; (X.Z.); (J.D.v.d.K.); (S.H.); (T.A.)
| | - Julian Weghuber
- School of Engineering and Environmental Sciences, University of Applied Sciences Upper Austria, Stelzhamerstraße 23, Wels 4600, Austria; (G.S.); (V.S.); (B.S.)
- FFoQSI GmbH-Austrian Competence Centre for Feed and Food Quality, Safety and Innovation, Technopark 1C, Tulln 3430, Austria
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48
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Lahjouji T, Bertaccini A, Neves M, Puel S, Oswald IP, Soler L. Acute Exposure to Zearalenone Disturbs Intestinal Homeostasis by Modulating the Wnt/β-Catenin Signaling Pathway. Toxins (Basel) 2020; 12:toxins12020113. [PMID: 32053894 PMCID: PMC7076757 DOI: 10.3390/toxins12020113] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 02/06/2020] [Accepted: 02/09/2020] [Indexed: 02/07/2023] Open
Abstract
The mycotoxin zearalenone (ZEN), which frequently contaminates cereal-based human food and animal feed, is known to have an estrogenic effect. The biological response associated with exposure to ZEN has rarely been reported in organs other than the reproductive system. In the intestine, several studies suggested that ZEN might stimulate molecular changes related to the activation of early carcinogenesis, but the molecular mechanisms behind these events are not yet known. In this study, we investigated gene expression and changes in protein abundance induced by acute exposure to ZEN in the jejunum of castrated male pigs using an explant model. Our results indicate that ZEN induces the accumulation of ERα but not ERβ, modulates Wnt/β-catenin and TGF-β signaling pathways, and induces molecular changes linked with energy sensing and the antimicrobial activity without inducing inflammation. Our results confirm that the intestine is a target for ZEN, inducing changes that promote cellular proliferation and could contribute to the onset of intestinal pathologies.
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49
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Wang Y, Lu X, Zhang B. Ileal diffuse ganglioneurosis with jejunal malrotation. Asian J Surg 2020; 43:642-643. [PMID: 31980256 DOI: 10.1016/j.asjsur.2019.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 12/29/2019] [Indexed: 11/18/2022] Open
Affiliation(s)
- Yang Wang
- Department of Radiology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China.
| | - Xiaofan Lu
- Research Center of Biostatistics and Computational Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Bing Zhang
- Department of Radiology, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China.
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50
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Farhood B, Hassanzadeh G, Amini P, Shabeeb D, Musa AE, Khodamoradi E, Mohseni M, Aliasgharzadeh A, Moradi H, Najafi M. Mitigation of Radiation-induced Gastrointestinal System Injury using Resveratrol or Alpha-lipoic Acid: A Pilot Histopathological Study. Antiinflamm Antiallergy Agents Med Chem 2020; 19:413-424. [PMID: 31713500 DOI: 10.2174/1871523018666191111124028] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/05/2019] [Accepted: 10/20/2019] [Indexed: 06/10/2023]
Abstract
AIM In this study, we aimed to determine possible mitigation of radiationinduced toxicities in the duodenum, jejunum and colon using post-exposure treatment with resveratrol and alpha-lipoic acid. BACKGROUND After the bone marrow, gastrointestinal system toxicity is the second critical cause of death following whole-body exposure to radiation. Its side effects reduce the quality of life of patients who have undergone radiotherapy. Resveratrol has an antioxidant effect and stimulates DNA damage responses (DDRs). Alpha-lipoic acid neutralizes free radicals via the recycling of ascorbic acid and alpha-tocopherol. OBJECTIVE This study is a pilot investigation of the mitigation of enteritis using resveratrol and alpha-lipoic acid following histopathological study. METHODS 60 male mice were randomly assigned to six groups; control, resveratrol treatment, alpha-lipoic acid treatment, whole-body irradiation, irradiation plus resveratrol, and irradiation plus alpha-lipoic acid. The mice were irradiated with a single dose of 7 Gy from a cobalt-60 gamma-ray source. Treatment with resveratrol or alpha-lipoic acid started 24 h after irradiation and continued for 4 weeks. All mice were sacrificed after 30 days for histopathological evaluation of radiation-induced toxicities in the duodenum, jejunum and colon. RESULTS AND DISCUSSION Exposure to radiation caused mild to severe damages to vessels, goblet cells and villous. It also led to significant infiltration of macrophages and leukocytes, especially in the colon. Both resveratrol and alpha-lipoic acid were able to mitigate morphological changes. However, they could not mitigate vascular injury. CONCLUSION Resveratrol and alpha-lipoic acid could mitigate radiation-induced injuries in the small and large intestine. A comparison between these agents showed that resveratrol may be a more effective mitigator compared to alpha-lipoic acid.
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Affiliation(s)
- Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Gholamreza Hassanzadeh
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Peyman Amini
- Department of Radiology, Faculty of Paramedical, Tehran University of Medical Sciences, Tehran, Iran
| | - Dheyauldeen Shabeeb
- Department of Physiology, College of Medicine, University of Misan, Misan, Iraq
| | - Ahmed Eleojo Musa
- Department of Medical Physics, Tehran University of Medical Sciences, Tehran, Iran
| | - Ehsan Khodamoradi
- Department of Radiology and Nuclear Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mehran Mohseni
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Akbar Aliasgharzadeh
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Habiballah Moradi
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Masoud Najafi
- Department of Radiology and Nuclear Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
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