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Wallaeys C, Garcia-Gonzalez N, Timmermans S, Vandewalle J, Vanderhaeghen T, De Beul S, Dufoor H, Eggermont M, Moens E, Bosteels V, De Rycke R, Thery F, Impens F, Verbanck S, Lienenklaus S, Janssens S, Blumberg RS, Iwawaki T, Libert C. Paneth cell TNF signaling induces gut bacterial translocation and sepsis. Cell Host Microbe 2024:S1931-3128(24)00314-7. [PMID: 39243761 DOI: 10.1016/j.chom.2024.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 06/20/2024] [Accepted: 08/12/2024] [Indexed: 09/09/2024]
Abstract
The cytokine tumor necrosis factor (TNF) plays important roles in limiting infection but is also linked to sepsis. The mechanisms underlying these paradoxical roles are unclear. Here, we show that TNF limits the antimicrobial activity of Paneth cells (PCs), causing bacterial translocation from the gut to various organs. This TNF-induced lethality does not occur in mice with a PC-specific deletion in the TNF receptor, P55. In PCs, TNF stimulates the IFN pathway and ablates the steady-state unfolded protein response (UPR), effects not observed in mice lacking P55 or IFNAR1. TNF triggers the transcriptional downregulation of IRE1 key genes Ern1 and Ern2, which are key mediators of the UPR. This UPR deficiency causes a significant reduction in antimicrobial peptide production and PC antimicrobial activity, causing bacterial translocation to organs and subsequent polymicrobial sepsis, organ failure, and death. This study highlights the roles of PCs in bacterial control and therapeutic targets for sepsis.
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Affiliation(s)
- Charlotte Wallaeys
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Natalia Garcia-Gonzalez
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Steven Timmermans
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Jolien Vandewalle
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Tineke Vanderhaeghen
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Somara De Beul
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Hester Dufoor
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Melanie Eggermont
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Elise Moens
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium
| | - Victor Bosteels
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Laboratory for ER Stress and Inflammation, VIB-UniversityGent Center for Inflammation Research, Ghent 9052, Belgium; Department of Internal Medicine and Pediatrics, Ghent University, Ghent 9000, Belgium
| | - Riet De Rycke
- Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium; VIB Center for Inflammation Research and Bioimaging Core, VIB, Ghent 9052, Belgium
| | - Fabien Thery
- VIB-UGent Center for Medical Biotechnology, VIB, Ghent 9052, Belgium; Department of Biomolecular Medicine, Ghent University, Ghent 9052, Belgium
| | - Francis Impens
- VIB-UGent Center for Medical Biotechnology, VIB, Ghent 9052, Belgium; Department of Biomolecular Medicine, Ghent University, Ghent 9052, Belgium; VIB Proteomics Core, VIB, Ghent 9052, Belgium
| | - Serge Verbanck
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke 9820, Belgium
| | - Stefan Lienenklaus
- Institute of Laboratory Animal Science, Hannover Medical School, Hannover 30625, Germany
| | - Sophie Janssens
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Laboratory for ER Stress and Inflammation, VIB-UniversityGent Center for Inflammation Research, Ghent 9052, Belgium; Department of Internal Medicine and Pediatrics, Ghent University, Ghent 9000, Belgium
| | - Richard S Blumberg
- Division of Gastroenterology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
| | - Takao Iwawaki
- Division of Cell Medicine, Department of Life Science, Medical Research Institute, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Kahoku, Ishikawa 920-0293, Japan
| | - Claude Libert
- VIB Center for Inflammation Research, VIB, Ghent 9052, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent 9052, Belgium.
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Kordowitzki P, Graczyk S, Haghani A, Klutstein M. Oocyte Aging: A Multifactorial Phenomenon in A Unique Cell. Aging Dis 2024; 15:5-21. [PMID: 37307833 PMCID: PMC10796106 DOI: 10.14336/ad.2023.0527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 05/27/2023] [Indexed: 06/14/2023] Open
Abstract
The oocyte is considered to be the largest cell in mammalian species. Women hoping to become pregnant face a ticking biological clock. This is becoming increasingly challenging as an increase in life expectancy is accompanied by the tendency to conceive at older ages. With advancing maternal age, the fertilized egg will exhibit lower quality and developmental competence, which contributes to increased chances of miscarriage due to several causes such as aneuploidy, oxidative stress, epigenetics, or metabolic disorders. In particular, heterochromatin in oocytes and with it, the DNA methylation landscape undergoes changes. Further, obesity is a well-known and ever-increasing global problem as it is associated with several metabolic disorders. More importantly, both obesity and aging negatively affect female reproduction. However, among women, there is immense variability in age-related decline of oocytes' quantity, developmental competence, or quality. Herein, the relevance of obesity and DNA-methylation will be discussed as these aspects have a tremendous effect on female fertility, and it is a topic of continuous and widespread interest that has yet to be fully addressed for the mammalian oocyte.
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Affiliation(s)
- Pawel Kordowitzki
- Department of Preclinical and Basic Sciences, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Torun, Poland.
| | - Szymon Graczyk
- Department of Preclinical and Basic Sciences, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Torun, Poland.
| | - Amin Haghani
- Department of Human Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA.
- Altos Labs, San Diego, CA, USA.
| | - Michael Klutstein
- Institute of Biomedical and Oral Research, Hebrew University of Jerusalem, Jerusalem, Israel
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Zolnikova O, Dzhakhaya N, Bueverova E, Sedova A, Kurbatova A, Kryuchkova K, Butkova T, Izotov A, Kulikova L, Yurku K, Chekulaev P, Zaborova V. The Contribution of the Intestinal Microbiota to the Celiac Disease Pathogenesis along with the Effectiveness of Probiotic Therapy. Microorganisms 2023; 11:2848. [PMID: 38137992 PMCID: PMC10745538 DOI: 10.3390/microorganisms11122848] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/15/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023] Open
Abstract
The development of many human disorders, including celiac disease (CD), is thought to be influenced by the microbiota of the gastrointestinal tract and its metabolites, according to current research. This study's goal was to provide a concise summary of the information on the contribution of the intestinal microbiota to the CD pathogenesis, which was actively addressed while examining the reported pathogenesis of celiac disease (CD). We assumed that a change in gluten tolerance is formed under the influence of a number of different factors, including genetic predisposition and environmental factors. In related investigations, researchers have paid increasing attention to the study of disturbances in the composition of the intestinal microbiota and its functional activity in CD. A key finding of our review is that the intestinal microbiota has gluten-degrading properties, which, in turn, may have a protective effect on the development of CD. The intestinal microbiota contributes to maintaining the integrity of the intestinal barrier, preventing the formation of a "leaky" intestine. On the contrary, a change in the composition of the microbiota can act as a significant link in the pathogenesis of gluten intolerance and exacerbate the course of the disease. The possibility of modulating the composition of the microbiota by prescribing probiotic preparations is being considered. The effectiveness of the use of probiotics containing Lactobacillus and Bifidobacterium bacteria in experimental and clinical studies as a preventive and therapeutic agent has been documented.
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Affiliation(s)
- Oxana Zolnikova
- Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (O.Z.); (N.D.); (E.B.); (A.S.); (A.K.); (P.C.)
| | - Natiya Dzhakhaya
- Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (O.Z.); (N.D.); (E.B.); (A.S.); (A.K.); (P.C.)
| | - Elena Bueverova
- Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (O.Z.); (N.D.); (E.B.); (A.S.); (A.K.); (P.C.)
| | - Alla Sedova
- Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (O.Z.); (N.D.); (E.B.); (A.S.); (A.K.); (P.C.)
| | - Anastasia Kurbatova
- Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (O.Z.); (N.D.); (E.B.); (A.S.); (A.K.); (P.C.)
| | - Kira Kryuchkova
- Institute of Public Health, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia;
| | - Tatyana Butkova
- Institute of Biomedical Chemistry, Biobanking Group, 109028 Moscow, Russia; (T.B.); (A.I.); (L.K.)
| | - Alexander Izotov
- Institute of Biomedical Chemistry, Biobanking Group, 109028 Moscow, Russia; (T.B.); (A.I.); (L.K.)
| | - Ludmila Kulikova
- Institute of Biomedical Chemistry, Biobanking Group, 109028 Moscow, Russia; (T.B.); (A.I.); (L.K.)
- Institute of Mathematical Problems of Biology RAS—The Branch of Keldysh Institute of Applied Mathematics of Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Kseniya Yurku
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, 123098 Moscow, Russia;
| | - Pavel Chekulaev
- Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (O.Z.); (N.D.); (E.B.); (A.S.); (A.K.); (P.C.)
| | - Victoria Zaborova
- Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (O.Z.); (N.D.); (E.B.); (A.S.); (A.K.); (P.C.)
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Liang L, Saunders C, Sanossian N. Food, gut barrier dysfunction, and related diseases: A new target for future individualized disease prevention and management. Food Sci Nutr 2023; 11:1671-1704. [PMID: 37051344 PMCID: PMC10084985 DOI: 10.1002/fsn3.3229] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 12/20/2022] [Accepted: 12/28/2022] [Indexed: 03/09/2023] Open
Abstract
Dysfunction of gut barrier is known as "leaky gut" or increased intestinal permeability. Numerous recent scientific evidences showed the association between gut dysfunction and multiple gastrointestinal tract (GI) and non-GI diseases. Research also demonstrated that food plays a crucial role to cause or remedy gut dysfunction related to diseases. We reviewed recent articles from electronic databases, mainly PubMed. The data were based on animal models, cell models, and human research in vivo and in vitro models. In this comprehensive review, our aim focused on the relationship between dietary factors, intestinal permeability dysfunction, and related diseases. This review synthesizes currently available literature and is discussed in three parts: (a) the mechanism of gut barrier and function, (b) food and dietary supplements that may promote gut health, and food or medication that may alter gut function, and (c) a table that organizes the synthesized information by general mechanisms for diseases related to leaky gut/intestinal permeability and associated dietary influences. With future research, dietary intervention could be a new target for individualized disease prevention and management.
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Affiliation(s)
- Linda Liang
- University of Southern CaliforniaLos AngelesCaliforniaUSA
| | | | - Nerses Sanossian
- Department of NeurologyMedical School of Southern CaliforniaLos AngelesCaliforniaUSA
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The Gut-Ex-Vivo System (GEVS) Is a Dynamic and Versatile Tool for the Study of DNBS-Induced IBD in BALB/C and C57BL/6 Mice, Highlighting the Protective Role of Probiotics. BIOLOGY 2022; 11:biology11111574. [PMID: 36358275 PMCID: PMC9687175 DOI: 10.3390/biology11111574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/14/2022] [Accepted: 10/21/2022] [Indexed: 01/25/2023]
Abstract
BACKGROUND IBD is a spectrum of pathologies characterized by dysregulated immune activation leading to uncontrolled response against the intestine, thus resulting in chronic gut inflammation and tissue damage. Due to its complexity, the molecular mechanisms responsible for disease onset and progression are still elusive, thus requiring intense research effort. In this context, the development of models replicating the etiopathology of IBD and allowing the testing of new potential therapies is critical. METHODS Colon from C57BL/6 or BALB/c mice was cultivated in a Gut-Ex-Vivo System (GEVS), exposed for 5 h to DNBS 1.5 or 2.5 mg/mL, in presence or absence of two probiotic formulations (P1 = Bifidobacterium breve BR03 (DSM16604) and B632 (DSM24706); P2 = Lacticaseibacillus rhamnosus LR04 (DSM16605), Lactiplantibacillus plantarum LP14 (DSM33401) and Lacticaseibacillus paracasei LPC09), and the main hallmarks of IBD were evaluated. RESULTS Gene expression analysis revealed the following DNBS-induced effects: (i) compromised tight junction organization, responsible for tissue permeability dysregulation; (ii) induction of ER stress, and (iii) tissue inflammation in colon of C57BL/6 mice. Moreover, the concomitant DNBS-induced apoptosis and ferroptosis pathways were evident in colon from both BALB/c and C57BL/6 mice. Finally, the co-administration of probiotics completely prevented the detrimental effects of DNBS. CONCLUSIONS Overall, we have provided results demonstrating that GEVS is a consistent, reliable, and cost-effective system for modeling DNBS-induced IBD, useful for studying the onset and progression of human disease at the molecular level, while also reducing animal suffering. Moreover, we have confirmed the beneficial effect of probiotics administration in promoting the remission of IBD.
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Xu Z, Zhang J, Wu J, Yang S, Li Y, Wu Y, Li S, Zhang X, Zuo W, Lian X, Lin J, Jiang Y, Xie L, Liu Y, Wang P. Lactobacillus plantarum ST-III culture supernatant ameliorates alcohol-induced cognitive dysfunction by reducing endoplasmic reticulum stress and oxidative stress. Front Neurosci 2022; 16:976358. [PMID: 36188464 PMCID: PMC9515438 DOI: 10.3389/fnins.2022.976358] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/15/2022] [Indexed: 11/28/2022] Open
Abstract
Background Long-term alcohol exposure is associated with oxidative stress, endoplasmic reticulum (ER) stress, and neuroinflammation, which may impair cognitive function. Probiotics supplements can significantly improve cognitive function in neurodegenerative diseases such as Alzheimer’s disease. Nevertheless, the effect of Lactobacillus plantarum ST-III culture supernatant (LP-cs) on alcohol-induced cognitive dysfunction remains unclear. Methods A mouse model of cognitive dysfunction was established by intraperitoneal injection of alcohol (2 g/kg body weight) for 28 days. Mice were pre-treated with LP-cs, and cognitive function was evaluated using the Morris water maze test. Hippocampal tissues were collected for biochemical and molecular analysis. Results LP-cs significantly ameliorated alcohol-induced decline in learning and memory function and hippocampal morphology changes, neuronal apoptosis, and synaptic dysfunction. A mechanistic study showed that alcohol activated protein kinase R-like endoplasmic reticulum kinase (PERK) signaling and suppressed brain derived neurotrophic factor (BDNF) levels via ER stress in the hippocampus, which LP-cs reversed. Alcohol activated oxidative stress and inflammation responses in the hippocampus, which LP-cs reversed. Conclusion LP-cs significantly ameliorated alcohol-induced cognitive dysfunction and cellular stress. LP-cs might serve as an effective treatment for alcohol-induced cognitive dysfunction.
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Affiliation(s)
- Zeping Xu
- Department of Pharmacy, Ningbo Medical Center Li Huili Hospital, The Affiliated Hospital of Ningbo University, Ningbo, China
| | - Jinjing Zhang
- Department of Pharmacy, Affiliated Cixi Hospital, Wenzhou Medical University, Wenzhou, China
| | - Junnan Wu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
- The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
| | - Shizhuo Yang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yuying Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yuyu Wu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Siyuan Li
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Xie Zhang
- Department of Pharmacy, Ningbo Medical Center Li Huili Hospital, The Affiliated Hospital of Ningbo University, Ningbo, China
| | - Wei Zuo
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
| | - Xiang Lian
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
| | - Jianjun Lin
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
| | - Yongsheng Jiang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
| | - Longteng Xie
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, China
- Longteng Xie,
| | - Yanlong Liu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
- The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Yanlong Liu,
| | - Ping Wang
- The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
- Ping Wang,
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A Gut-Ex-Vivo System to Study Gut Inflammation Associated to Inflammatory Bowel Disease (IBD). BIOLOGY 2021; 10:biology10070605. [PMID: 34209277 PMCID: PMC8301106 DOI: 10.3390/biology10070605] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/24/2021] [Accepted: 06/28/2021] [Indexed: 12/17/2022]
Abstract
Simple Summary Inflammatory Bowel Disease (IBD) is a complex and multifactorial systemic disease of the gastrointestinal tract, characterized by chronic inflammation, thus resulting in tissue damage and, occasionally, in cancer development. Although the precise origin is still elusive, it is widely considered a disease of modern society, caused by a complex interaction between environment, genetic, immune system, and gut microflora (microbiota). Potentially affected by all the above-mentioned variables, which interplay are highly heterogeneous, the disease appears to be patient-specific. The latter phenomenon, together with the uncertain origin, also contributes to the lack of optimal clinical treatment of these patients. Therefore, the development of appropriate models is crucial to push the research forward and to define new valuable therapeutic approaches. Although tissue biopsies and/or animal models represent the best models to study IBD onset, progression, and clinical interventions, they are both affected by limitations such as invasiveness, cost- and time-consuming, and ethical issues such as animal suffering. Here we propose a novel approach based on the cultivation of mouse tissues (colon) in an ex vivo microfluidic device (Gut-Ex-Vivo System, GEVS) to study IBD. We demonstrate that explanted mouse tissues cultivated in our GEVS can be appropriately stimulated to recapitulate the onset of the disease, in a time- and cost- effective manner. Abstract Inflammatory bowel disease (IBD) is a complex, chronic, and dysregulated inflammatory condition which etiology is still largely unknown. Its prognosis and disease progression are highly variable and unpredictable. IBD comprises several heterogeneous inflammatory conditions ranging from Ulcerative Colitis (UC) to Crohn’s Disease (CD). Importantly, a definite, well-established, and effective clinical treatment for these pathologies is still lacking. The urgent need for treatment is further supported by the notion that patients affected by UC or CD are also at risk of developing cancer. Therefore, a deeper understanding of the molecular mechanisms at the basis of IBD development and progression is strictly required to design new and efficient therapeutic regimens. Although the development of animal models has undoubtedly facilitated the study of IBD, such in vivo approaches are often expensive and time-consuming. Here we propose an organ ex vivo culture (Gut-Ex-Vivo system, GEVS) based on colon from Balb/c mice cultivated in a dynamic condition, able to model the biochemical and morphological features of the mouse models exposed to DNBS (5–12 days), in 5 h. Indeed, upon DNBS exposure, we observed a dose-dependent: (i) up-regulation of the stress-related protein transglutaminase 2 (TG2); (ii) increased intestinal permeability associated with deregulated tight junction protein expression; (iii) increased expression of pro-inflammatory cytokines, such as TNFα, IFNγ, IL1β, IL6, IL17A, and IL15; (iv) down-regulation of the anti-inflammatory IL10; and (v) induction of Endoplasmic Reticulum stress (ER stress), all markers of IBD. Altogether, these data indicate that the proposed model can be efficiently used to study the pathogenesis of IBD, in a time- and cost-effective manner.
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