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Gene expression patterns of biopsies from a colonoscopy taken in 2007 of an ulcerative colitis patient infected with Trichuris trichiura

ABSTRACT: Helminth infection may have the potential to suppress intestinal inflammation in inflammatory bowel diseases. Ulcerative colitis is more common in developed countries than in developing countries endemic for helminth infections. There are animal models, as well as clinical trials, suggesting therapeutic effects of experimental helminth infection. Here, we provide a comprehensive molecular portrait of dynamic changes in the intestinal mucosa of an individual who infected himself with Trichuris trichiura to treat his symptoms of ulcerative colitis. Genes involved in carbohydrate and lipid metabolism were upregulated in helminth-colonized tissue, while tissues with active colitis showed upregulation of proinflammatory genes such as IL-17, IL13RA2, and CHI3L1. T. trichiura colonization of the intestine may reduce symptomatic colitis by promoting goblet cell hyperplasia and mucus production through TH2 cytokines and IL-22. By better understanding the physiological effects of helminth infection, new therapies for ulcerative colitis could be identified. This is the first (out of three) series of arrays from this patient from a colonoscopy in 2007 when the patient had mild proctitis in the rectum and worms in the ascending and transverse colon.

ORGANISM(S): Homo sapiens

PROVIDER: GSE25275 | GEO | 2010/11/20

SECONDARY ACCESSION(S): PRJNA142577

REPOSITORIES: GEO

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Gene expression patterns of biopsies from a colonoscopy taken in 2007 of an ulcerative colitis patient infected with Trichuris trichiura

Project description:Helminth infection may have the potential to suppress intestinal inflammation in inflammatory bowel diseases. Ulcerative colitis is more common in developed countries than in developing countries endemic for helminth infections. There are animal models, as well as clinical trials, suggesting therapeutic effects of experimental helminth infection. Here, we provide a comprehensive molecular portrait of dynamic changes in the intestinal mucosa of an individual who infected himself with Trichuris trichiura to treat his symptoms of ulcerative colitis. Genes involved in carbohydrate and lipid metabolism were upregulated in helminth-colonized tissue, while tissues with active colitis showed upregulation of proinflammatory genes such as IL-17, IL13RA2, and CHI3L1. T. trichiura colonization of the intestine may reduce symptomatic colitis by promoting goblet cell hyperplasia and mucus production through TH2 cytokines and IL-22. By better understanding the physiological effects of helminth infection, new therapies for ulcerative colitis could be identified. This is the first (out of three) series of arrays from this patient from a colonoscopy in 2007 when the patient had mild proctitis in the rectum and worms in the ascending and transverse colon. We analyzed 14 HEEBO arrays on which were hybridized RNA amplified from pinch biopsies collected from different regions of the colon. 3 samples were from the ascending colon, which was colonized by worms at the time. 2 samples were from the transverse colon, which was also colonized by worms at the time. 4 samples were from the sigmoid colon, which appeared normal at the time. 3 samples were from the rectum, which showed signs of proctitis and was inflamed at the time. 2 samples were from the terminal ileum, which was unaffected by worms or colitis.

2010-11-20 | E-GEOD-25275 | biostudies-arrayexpress

Gene expression patterns of biopsies from a colonoscopy taken in 2008 of an ulcerative colitis patient infected with Trichuris trichiura

2010-11-20 | GSE25276 | GEO

Gene expression patterns of biopsies from a colonoscopy taken in 2009 of an ulcerative colitis patient infected with Trichuris trichiura

2010-11-20 | GSE25277 | GEO

Gene expression patterns of biopsies from a colonoscopy taken in 2009 of an ulcerative colitis patient infected with Trichuris trichiura

Project description:Helminth infection may have the potential to suppress intestinal inflammation in inflammatory bowel diseases. Ulcerative colitis is more common in developed countries than in developing countries endemic for helminth infections. There are animal models, as well as clinical trials, suggesting therapeutic effects of experimental helminth infection. Here, we provide a comprehensive molecular portrait of dynamic changes in the intestinal mucosa of an individual who infected himself with Trichuris trichiura to treat his symptoms of ulcerative colitis. Genes involved in carbohydrate and lipid metabolism were upregulated in helminth-colonized tissue, while tissues with active colitis showed upregulation of proinflammatory genes such as IL-17, IL13RA2, and CHI3L1. T. trichiura colonization of the intestine may reduce symptomatic colitis by promoting goblet cell hyperplasia and mucus production through TH2 cytokines and IL-22. By better understanding the physiological effects of helminth infection, new therapies for ulcerative colitis could be identified. This is the third (out of three) series of arrays from this patient from a colonoscopy in 2009 when the patient was in remission. We analyzed 12 HEEBO arrays on which were hybridized RNA amplified from pinch biopsies collected from different regions of the colon. 4 samples were from the ascending colon, which was colonized by worms at the time. 3 samples were from the transverse colon, which appeared normal at the time. 3 samples were from the recto-sigmoid colon, which had recovered from colitis at the time. 2 samples were from the terminal ileum, which was unaffected by worms or colitis.

2010-11-20 | E-GEOD-25277 | biostudies-arrayexpress

Gene expression patterns of biopsies from a colonoscopy taken in 2008 of an ulcerative colitis patient infected with Trichuris trichiura

Project description:Helminth infection may have the potential to suppress intestinal inflammation in inflammatory bowel diseases. Ulcerative colitis is more common in developed countries than in developing countries endemic for helminth infections. There are animal models, as well as clinical trials, suggesting therapeutic effects of experimental helminth infection. Here, we provide a comprehensive molecular portrait of dynamic changes in the intestinal mucosa of an individual who infected himself with Trichuris trichiura to treat his symptoms of ulcerative colitis. Genes involved in carbohydrate and lipid metabolism were upregulated in helminth-colonized tissue, while tissues with active colitis showed upregulation of proinflammatory genes such as IL-17, IL13RA2, and CHI3L1. T. trichiura colonization of the intestine may reduce symptomatic colitis by promoting goblet cell hyperplasia and mucus production through TH2 cytokines and IL-22. By better understanding the physiological effects of helminth infection, new therapies for ulcerative colitis could be identified. This is the second (out of three) series of arrays from this patient from a colonoscopy in 2008 when the patient was suffering from severe colitis but still had worms in the ascending colon. We analyzed 12 HEEBO arrays on which were hybridized RNA amplified from pinch biopsies collected from different regions of the colon. 4 samples were from the ascending colon, which was colonized by worms at the time. 4 samples were from the transverse colon, which was no longer colonized by worms at the time. 4 samples were from the recto-sigmoid colon, which was suffering from severe colitis at the time.

2010-11-20 | E-GEOD-25276 | biostudies-arrayexpress

Gene expression patterns of biopsies from colonoscopies taken in 2007, 2008, and 2009 of an ulcerative colitis patient infected with Trichuris trichiura

Project description:This SuperSeries is composed of the following subset Series: GSE25275: Gene expression patterns of biopsies from a colonoscopy taken in 2007 of an ulcerative colitis patient infected with Trichuris trichiura GSE25276: Gene expression patterns of biopsies from a colonoscopy taken in 2008 of an ulcerative colitis patient infected with Trichuris trichiura GSE25277: Gene expression patterns of biopsies from a colonoscopy taken in 2009 of an ulcerative colitis patient infected with Trichuris trichiura Refer to individual Series

2010-11-20 | E-GEOD-25510 | biostudies-arrayexpress

Transcriptional response of the mouse intestinal mucosa to infection by the parasitic nematode Trichuris muris

Project description:This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/ The human-infective whipworm Trichuris trichiura is estimated to infect up to a billion people and is responsible for considerable morbidity, especially in children of developing countries. The closely related species T. muris is a naturally occurring nematode parasite of mice that serves as a remarkably tractable model system for dissecting immune responses and host-parasite relationships. Such studies are of relevance beyond parasitology as helminths have arguably had a significant impact on the evolution of the mammalian immune system. Both Trichuris species reside in the caecum and colon of the host where they burrow their front end for feeding into the intestinal mucosa, thereby breaching the mucus barrier and allowing access of the microflora directly to the epithelium. The interplay of intestinal helminths, the bacterial microflora and the host immune system is currently a research focus in various laboratories (Bancroft et al 2012). This study will study the transcriptional responses of the intestinal mucosa (caecum) from infected and uninfected mice.

2013-05-07 | E-ERAD-181 | biostudies-arrayexpress

Trichuris trichiura

Project description:Trichuris trichiura overview

| PRJNA160323 | ENA

Alteration of microbiota antibody-mediated immune selection contributes to dysbiosis in IBD

Project description:The goal of this project is to find out whether human intestinal IgA1 and IgA2 secretion, transport and reactivity towards the microbiota might be involved in dysbiosis induction during Crohn’s disease and Ulcerative colitis. Mass spectrometry was used to characterize SIgA from Crohn’s disease patient and Ulcerative colitis patient, in term of O- and N-glycosylation in order to study their reverse transcytosis capacity and their role in intestinal inflammation.

2022-06-27 | PXD024060 | Pride

Linking the effects of helminth infection, diet and the gut microbiota with human whole-blood signatures

Project description:Purpose: Helminth infection and dietary intake can affect the intestinal microbiota, as well as the immune system. Methods: Here we analyzed the relationship between fecal microbiota and blood profiles of indigenous Malaysians, referred to locally as Orang Asli, in comparison to urban participants from the capital city of Malaysia, Kuala Lumpur. Results: We found that helminth infections had a larger effect on gut microbial composition than did dietary intake or blood profiles. Trichuris trichiura infection intensity also had the strongest association with blood transcriptional profiles. By characterizing paired longitudinal samples collected before and after deworming treatment, we determined that changes in serum zinc and iron levels among the Orang Asli were driven by changes in helminth infection status, independent of dietary metal intake. Serum zinc and iron levels were associated with changes in the abundance of several microbial taxa. Conclusions: There is considerable interplay between helminths, micronutrients and the microbiota on the regulation of immune responses in humans.

2019-10-01 | GSE137338 | GEO

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