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Suppression of Inflammatory Cytokines Expression with Bitter Melon ( Momordica Charantia) in TNBS-instigated Ulcerative Colitis. J Transl Int Med 2020; 8:177-187. [PMID: 33062594 PMCID: PMC7534491 DOI: 10.2478/jtim-2020-0027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Background and Objective This study was aimed to elucidate the molecular mechanism of Momordica charantia (MCh), along with a standard drug prednisolone, in a rat model of colitis induced by trinitrobenzene sulfonic acid (TNBS). Methods After the induction of the experimental colitis, the animals were treated with MCh (4 g/kg/day) for 14 consecutive days by intragastric gavage. The colonic tissue expression levels of C-C motif chemokine ligand 17 (CCL-17), interleukin (IL)-1β, IL-6, IL-23, interferon-γ (IFN-γ), nuclear factor kappa B (NF-kB), and tumor necrosis factor-α (TNF-α), were determined at both mRNA and protein levels to estimate the effect of MCh. Besides, colonic specimens were analyzed histopathologically after staining with hematoxylin and eosin. Results The body weights from TNBS-instigated colitis rats were found to be significantly lower than untreated animals. Also, the IFN-γ, IL-1β, IL-6, Il-23, TNF-α, CCL-17, and NF-kB mRNA and protein levels were increased significantly from 1.86-4.91-fold and 1.46-5.50-fold, respectively, in the TNBS-instigated colitis group as compared to the control. Both the MCh and prednisolone treatment significantly reduced the bodyweight loss. It also restored the induced colonic tissue levels of IL-1β, IL-6, IFN-γ, and TNF-α to normal levels seen in untreated animals. These results were also supported with the histochemical staining of the colonic tissues from both control and treated animals. Conclusion The presented data strongly suggests that MCh has the anti-inflammatory effect that might be modulated through vitamin D metabolism. It is the right candidate for the treatment of UC as an alternative and complementary therapeutics.
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Mahdavi NS, Talebi A, Minaiyan M. Ameliorative effect of galantamine on acetic acid-induced colitis in rats. Res Pharm Sci 2019; 14:391-399. [PMID: 31798655 PMCID: PMC6827195 DOI: 10.4103/1735-5362.268199] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Galantamine (GAL) is a drug for treating Alzheimer’s disease which has reasonable and no significant side effects. Studies have shown that GAL possesses antioxidant, anti-inflammatory, and cholinomimetic effects that might be beneficial for inflammatory bowel disease. Therefore, this study was aimed to investigate the anti-inflammatory effect of GAL on acetic acid-induced colitis in rats. GAL at 0.25, 1.25, 2.5 mg/kg/day was administrated orally (p.o.) to different groups of male Wistar rats 2 h before induction of ulcer with acetic acid 3% and continued for 5 consecutive days. Dicyclomine (DIC) was similarly used alone (5 mg/kg/day, p.o.) or together with GAL at doses already mentioned to delineate the impact of muscarinic pathway in probable beneficial effects of GAL on colitis. Control and reference groups received distilled water (5 mL/kg, p.o.), prednisolone (4 mg/kg/day, p.o.), or mesalazine (100 mg/kg/day, p.o.) respectively. At day 6, tissue injuries were assessed for macroscopic, histopathologic, and biochemical indices of myeloperoxidase and MPO activity. Results showed that GAL at 3 applied doses, alone or in combination with DIC diminished ulcer index, total colitis index, and MPO activity as important biomarkers of colitis. DIC alone was not effective on most parameters and its concurrent administration with GAL couldn’t reverse its antiulcerative effects. Prednisolone and mesalazine were both effective in this relation. The current research indicated that GAL had anti-inflammatory and antiulcerative activities independent of its muscarinic effects. Thus the antioxidant and anti-inflammatory effects may account for its anti-inflammatory and anti-ulcerative properties. Nevertheless, further detailed studies are warranted for exact elucidation of GAL mechanism on inflammation and colitis.
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Affiliation(s)
- Niloofar-Sadat Mahdavi
- School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Ardeshir Talebi
- Department of Clinical Pathology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Mohsen Minaiyan
- Department of Pharmacology and Toxicology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran.,Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
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Motavallian A, Minaiyan M, Rabbani M, Mahzouni P, Andalib S. Anti-inflammatory effects of alosetron mediated through 5-HT 3 receptors on experimental colitis. Res Pharm Sci 2019; 14:228-236. [PMID: 31160900 PMCID: PMC6540920 DOI: 10.4103/1735-5362.258489] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Development of new medicine with fewer deleterious effects and more efficacies for treatment of inflammatory bowel disease is needed. 5-Hydroxytryptamine 3 receptor (5-HT3R) antagonists have exhibited analgesic and anti-inflammatory features in vitro and in vivo. The present study was designed to evaluate the anti-inflammatory effect of alosetron, a 5-HT3R antagonist, on trinitrobenzenesulfonic acid (TNBS)-induced ulcerative colitis in rats. Two h subsequent to induce colitis (intracolonic instillation of TNBS, 50 mg/kg) in male Wistar rats, alosetron (1 mg/kg), dexamethasone (1 mg/kg), meta-chlorophenylbiguanide (mCPBG, a 5-HT3R agonist, 5 mg/kg), or alosetron + mCPBG were administrated intraperitoneally for 6 days. Animals were thereafter sacrificed and the efficacy of drugs was evaluated macroscopically, histologically, and biochemically (myeloperoxidase, tumor necrosis factor-alpha, interleukin-6, and interleukin-1 beta) on distal colon samples. Treatment with alosetron and dexamethasone improved macroscopic and microscopic colonic damages significantly and decreased myeloperoxidase activity and colonic levels of inflammatory cytokines. The profitable effects of alosetron were antagonized by concurrent administration of mCPBG. Our data provided evidence that the protective effects of alosetron on TNBS-induced colitis can be mediated by 5- HT3R.
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Affiliation(s)
- Azadeh Motavallian
- Department of Pharmacology and Toxicology, School of Pharmacy, Guilan University of Medical Sciences, Rasht, I.R. Iran.,Rhino-sinus, Ear, and Skull base Diseases Research Center, Department of Otolaryngology and Head and Neck Surgery, Amiralmomenin Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, I.R. Iran
| | - Mohsen Minaiyan
- Department of Pharmacology and Toxicology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran.,Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Mohammad Rabbani
- Department of Pharmacology and Toxicology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran.,Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Parvin Mahzouni
- Department of Clinical Pathology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Sasan Andalib
- Neuroscience Research Center, Road Trauma Research Center, Department of Neurosurgery, Poursina Hospital, Guilan University of Medical Sciences, Rasht, I.R. Iran.,Research Unit of Clinical Physiology and Nuclear Medicine, Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
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The effect of memantine on trinitrobenzene sulfonic acid-induced ulcerative colitis in mice. Eur J Pharmacol 2016; 793:28-34. [DOI: 10.1016/j.ejphar.2016.10.032] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Revised: 10/24/2016] [Accepted: 10/24/2016] [Indexed: 12/17/2022]
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Electroacupuncture at ST25 Inhibits Cisapride-Induced Gastric Motility in an Intensity-Dependent Manner. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 2016:3457025. [PMID: 26997963 PMCID: PMC4779844 DOI: 10.1155/2016/3457025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 01/24/2016] [Indexed: 12/16/2022]
Abstract
Background. Previous studies have demonstrated the efficacy of frequency-specific EAS. However, evaluation of intensity-response effects is challenging and has yet to be addressed. Aims. Using cisapride to promote gastric emptying, we measured the intensity-response relationship of EA at ST25 on gastric motility. Methods. We determined the effects of EA at ST25 using intensities (0.5, 1, 3, 5, 7, and 9 mA) on gastric motility in rats injected with cisapride (0.2, 0.02, and 0.002 mg/kg). Results. Utilizing three concentrations of cisapride yielded significantly differing levels of gastric motility. Furthermore, log IC50 values for EAS were different within each group. Given the same EA intensity, cisapride antagonism decreased progressively in each group as a function of drug concentration. The relative amount of cisapride antagonized by EAS did not change in a linear fashion. Finally, EAS at different intensities within the three groups induced a similar pattern of cisapride antagonism. Conclusions. The ability of EAS to elicit a decrease in cisapride-induced gastric motility pressure was demonstrated in this study. The study encompasses construct validity to mirror individualized treatment being based on patients' subjective feelings, not on a set fixed EA intensity. Clinically utilizing EAS at the smallest intensity can achieve the desired therapeutic effect.
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Combinatorial Intervention with Mesenchymal Stem Cells and Granulocyte Colony-Stimulating Factor in a Rat Model of Ulcerative Colitis. Dig Dis Sci 2015; 60:1948-57. [PMID: 25894931 DOI: 10.1007/s10620-015-3655-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 03/30/2015] [Indexed: 12/15/2022]
Abstract
BACKGROUND Bone marrow mesenchymal stem cells sometimes improve symptoms of inflammatory bowel disease. AIM To test the effects of combined granulocyte colony-stimulating factor (G-CSF) and MSC therapy in a rat model of ulcerative colitis (UC). METHODS Seventy-two rats with TNBS-induced UC were divided into control or treatment groups: control (no disease and no treatment), no treatment (model), 5-aminosalicylate (5-ASA) enema, or MSCs (labeled with BrdU) with (MSC/GCSF) or without (MSC) G-CSF, and G-CSF alone (GCSF). On days 14 and 28 post-treatment, macroscopic and histological appearances were assessed and the disease activity index (DAI) scored to evaluate the severity of disease. BrdU-labeled MSCs were identified by immunofluorescence to confirm transplantation and their location. The inflammatory profile of each group was evaluated by measuring expression of nuclear NF-κB p65, serum TNF-α, and IL-10 and by activity of mucosal myeloperoxidase (MPO). RESULTS Rats receiving MSC and G-CSF combination therapy had increased recruitment of MSCs to the colonic mucosa compared with rats receiving MSC transplantation alone. On day 28, the DAI, MPO activity, serum TNF-α and IL-10 levels, and NF-κB p65 expression in the combination therapy group were significantly lower compared to animals receiving no treatment, MSCs alone, or G-CSF alone (P < 0.05). CONCLUSION Intravenously transplanted MSCs migrate and distribute to the colon to effectively alleviate the symptoms of UC, while G-CSF enhances this effect via an anti-inflammatory effect and improvement in the pathologic features of UC. G-CSF may be a promising therapeutic regulator of MSCs that can improve therapeutic outcomes in patients with UC.
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Wen J, Yang P, Chen X, Fang Y, Chang Q, Li C, Zhang C. The role of Th17/Treg balance and Th22 cell in the pathogenesis of DSS-induced colitis in mice. EUR J INFLAMM 2015. [DOI: 10.1177/1721727x15580902] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
T-helper (Th) cells play a critical role in inflammatory bowel disease (IBD), especially the two new types: Th17 and Th22. But whether they are protective or pathogenic in the gut is still controversial. Unlike them, regulatory T (Treg) cells have undoubtedly suppressive function and can maintain immune homeostasis. Our current aims were to examine the change of Treg/Th17 balance, Th22 proportion, and the expression of Th17-related and/or Th22-related cytokines in inflammatory bowel disease. In this study, 3% dextran sulphate sodium (DSS) was administered orally to C57BL/6 mice to induce colitis. The morbidity was evaluated by daily body weight, colon length, disease activity index, and histology score of colonic lesions. Th17, Th22, and Treg cells were measured using flow cytometry. IL-17A, IL-17F, and IL-22 were quantified using enzyme linked immunosorbent assay (ELISA) kits. DSS administration induced severe clinical manifestations, such as body weight loss, colon shortening, relatively high disease activity index, and histological damage in colitis mice. Both CD4+IL-17A+IL-22− cells and CD4+IL-22+IL-17A− cells were significantly increased, which associated with the increasing expression of IL-17A, IL-17F, and IL-22. On the contrary, CD4+CD25+Foxp3+ cells reduced. In brief, our findings clearly show that: the drift balance of Th17/Treg is apparently in DSS-induced colitis. The increasing concentration of IL-17A, IL-17F, and IL-22, as well as the increasing Th17 and Th22 cells count, suggesting Th17 and Th22 are involved in the pathological process. Further studies are warranted to develop drugs, which are effective for colitis by targeting the Th17/Treg and Th22 pathways.
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Affiliation(s)
- Juan Wen
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou, PR China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou, PR China
- School of Life Science, Lanzhou University, Lanzhou, PR China
| | | | - Xinjun Chen
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou, PR China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou, PR China
- School of Life Science, Lanzhou University, Lanzhou, PR China
| | - Yuan Fang
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou, PR China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou, PR China
- School of Life Science, Lanzhou University, Lanzhou, PR China
| | - Qi Chang
- Gansu Institute for Drug Control, Lanzhou, PR China
| | - Chenhui Li
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou, PR China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou, PR China
- School of Life Science, Lanzhou University, Lanzhou, PR China
| | - Chunjiang Zhang
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Lanzhou University, Lanzhou, PR China
- Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, Lanzhou University, Lanzhou, PR China
- School of Life Science, Lanzhou University, Lanzhou, PR China
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Minaiyan M, Hajhashemi V, Rabbani M, Fattahian E, Mahzouni P. Effect of venlafaxine on experimental colitis in normal and reserpinised depressed rats. Res Pharm Sci 2015; 10:295-306. [PMID: 26600857 PMCID: PMC4623619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Psychological disorders such as depression have more prevalence in inflammatory bowel disease patients and can exacerbate the clinical course of the disease, so anti-depressant therapy may have a potential to positively impact the disease course. On the other hand several antidepressant drugs have shown anti-inflammatory and immunomodulatory properties. Thus, this study aimed to explore the beneficial effects of venlafaxine on experimental colitis in normal and reserpinised depressed rats. Acetic acid colitis was induced in both reserpinised and non-reserpinised rats. Reserpinised groups received reserpine at dose of 6 mg/kg i.p.1 h prior to colitis induction and then treated with venlafaxine at doses of 10, 20, 40 mg/kg given i.p. 2 h after induction of colitis and daily for 4 consecutive days. Non-reserpinised groups treated with 10, 20, 40 mg/kg venlafaxine i.p. 2 h after the induction of colitis and daily for 4 successive days. Dexamethasone (1 mg/kg, i.p.) was used as reference drug. Colonic inflammation was evaluated using macroscopic, histological and myeloperoxidase activity measurements. Results showed that reserpine at dose of 6 mg/kg exacerbated the colitis damage. Compared to acetic acid control, venlafaxine at dose of 40 mg/kg as well as dexamethasone significantly improved colitis parameters in both reserpinised and non-reserpinised animals. Venlafaxine reduced inflammatory injury in this animal model of induced ulcerative colitis. These effects are probably mediated first through depressive behavioral changes that could be mediated through the brain-gut axis and second for the anti-inflammatory effect of the drug.
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Affiliation(s)
- Mohsen Minaiyan
- Department of Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Valiollah Hajhashemi
- Department of Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Mohammad Rabbani
- Department of Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Ehsan Fattahian
- Department of Pharmacology, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, I.R. Iran,Corresponding author: E. Fattahian Tel: 0098 381 3334429, Fax: 0098 381 3334429
| | - Parvin Mahzouni
- Department of Clinical Pathology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
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Beneficial Effects of Maprotiline in a Murine Model of Colitis in Normal and Reserpinised Depressed Rats. INTERNATIONAL SCHOLARLY RESEARCH NOTICES 2014; 2014:359841. [PMID: 27355055 PMCID: PMC4897575 DOI: 10.1155/2014/359841] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 10/14/2014] [Accepted: 10/27/2014] [Indexed: 01/01/2023]
Abstract
Background. Anti-inflammatory and immunomodulatory activities have been reported for maprotiline, a strong norepinephrine reuptake inhibitor. In addition, some other antidepressant drugs have shown beneficial effects in experimental colitis. Methods. All the animals were divided into normal and depressed groups. In normal rats colitis was induced by instillation of 2 mL of 4% acetic acid and after 2 hours, maprotiline (10, 20, and 40 mg/kg, i.p.) was administered. In reserpinised depressed rats, depression was induced by injection of reserpine (6 mg/kg, i.p.), 1 h prior to colitis induction, and then treated with maprotiline (10, 20, and 40 mg/kg). Treatment continued daily for four days. Dexamethasone (1 mg/kg, i.p.) was given as a reference drug. On day five following colitis induction, animals were euthanized and distal colons were assessed macroscopically, histologically, and biochemically (assessment of myeloperoxidase activity). Results. Maprotiline significantly improved macroscopic and histologic scores and diminished myeloperoxidase activity in both normal and depressed rats while reserpine exacerbated the colonic damage. Conclusion. Our data suggests that the salutary effects of maprotiline on acetic acid colitis are probably mediated first through depressive behavioral changes that could be mediated through the brain-gut axis and second for the anti-inflammatory effect of the drug.
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Kim JJ, Bridle BW, Ghia JE, Wang H, Syed SN, Manocha MM, Rengasamy P, Shajib MS, Wan Y, Hedlund PB, Khan WI. Targeted inhibition of serotonin type 7 (5-HT7) receptor function modulates immune responses and reduces the severity of intestinal inflammation. THE JOURNAL OF IMMUNOLOGY 2013; 190:4795-804. [PMID: 23554310 DOI: 10.4049/jimmunol.1201887] [Citation(s) in RCA: 90] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mucosal inflammation in conditions ranging from infective acute enteritis or colitis to inflammatory bowel disease is accompanied by alteration in serotonin (5-hydroxytryptamine [5-HT]) content in the gut. Recently, we have identified an important role of 5-HT in the pathogenesis of experimental colitis. 5-HT type 7 (5-HT7) receptor is one of the most recently identified members of the 5-HT receptor family, and dendritic cells express this receptor. In this study, we investigated the effect of blocking 5-HT7 receptor signaling in experimental colitis with a view to develop an improved therapeutic strategy in intestinal inflammatory disorders. Colitis was induced with dextran sulfate sodium (DSS) or dinitrobenzene sulfonic acid (DNBS) in mice treated with selective 5-HT7 receptor antagonist SB-269970, as well as in mice lacking 5-HT7 receptor (5-HT7(-/-)) and irradiated wild-type mice reconstituted with bone marrow cells harvested from 5-HT7(-/-) mice. Inhibition of 5-HT7 receptor signaling with SB-269970 ameliorated both acute and chronic colitis induced by DSS. Treatment with SB-269970 resulted in lower clinical disease, histological damage, and proinflammatory cytokine levels compared with vehicle-treated mice post-DSS. Colitis severity was significantly lower in 5-HT7(-/-) mice and in mice reconstituted with bone marrow cells from 5-HT7(-/-) mice compared with control mice after DSS colitis. 5-HT7(-/-) mice also had significantly reduced DNBS-induced colitis. These observations provide us with novel information on the critical role of the 5-HT7 receptor in immune response and inflammation in the gut, and highlight the potential benefit of targeting this receptor to alleviate the severity of intestinal inflammatory disorders such as inflammatory bowel disease.
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Affiliation(s)
- Janice J Kim
- Department of Pathology and Molecular Medicine, Farncombe Family Digestive Health Research Institute, Health Sciences Centre, McMaster University, Hamilton, Ontario L8S 4K1, Canada
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