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Holcomb L, Holman JM, Hurd M, Lavoie B, Colucci L, Hunt B, Hunt T, Kinney M, Pathak J, Mawe GM, Moses PL, Perry E, Stratigakis A, Zhang T, Chen G, Ishaq SL, Li Y. Early life exposure to broccoli sprouts confers stronger protection against enterocolitis development in an immunological mouse model of inflammatory bowel disease. mSystems 2023; 8:e0068823. [PMID: 37942948 PMCID: PMC10734470 DOI: 10.1128/msystems.00688-23] [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: 07/21/2023] [Accepted: 10/02/2023] [Indexed: 11/10/2023] Open
Abstract
IMPORTANCE To our knowledge, IL-10-KO mice have not previously been used to investigate the interactions of host, microbiota, and broccoli, broccoli sprouts, or broccoli bioactives in resolving symptoms of CD. We showed that a diet containing 10% raw broccoli sprouts increased the plasma concentration of the anti-inflammatory compound sulforaphane and protected mice to varying degrees against disease symptoms, including weight loss or stagnation, fecal blood, and diarrhea. Younger mice responded more strongly to the diet, further reducing symptoms, as well as increased gut bacterial richness, increased bacterial community similarity to each other, and more location-specific communities than older mice on the diet intervention. Crohn's disease disrupts the lives of patients and requires people to alter dietary and lifestyle habits to manage symptoms. The current medical treatment is expensive with significant side effects, and a dietary intervention represents an affordable, accessible, and simple strategy to reduce the burden of symptoms.
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Affiliation(s)
- Lola Holcomb
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA
| | - Johanna M. Holman
- School of Food and Agriculture, University of Maine, Orono, Maine, USA
| | - Molly Hurd
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Brigitte Lavoie
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Louisa Colucci
- Department of Biology, Husson University, Bangor, Maine, USA
| | - Benjamin Hunt
- Department of Biology, University of Maine, Orono, Maine, USA
| | - Timothy Hunt
- Department of Biology, University of Maine, Orono, Maine, USA
| | - Marissa Kinney
- School of Food and Agriculture, University of Maine, Orono, Maine, USA
| | - Jahnavi Pathak
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA
| | - Gary M. Mawe
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Peter L. Moses
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
- Finch Therapeutics, Somerville, Massachusetts, USA
| | - Emma Perry
- Electron Microscopy Laboratory, University of Maine, Orono, Maine, USA
| | - Allesandra Stratigakis
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, New York, USA
| | - Tao Zhang
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, New York, USA
| | - Grace Chen
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Suzanne L. Ishaq
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA
| | - Yanyan Li
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA
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Holman JM, Colucci L, Baudewyns D, Balkan J, Hunt T, Hunt B, Kinney M, Holcomb L, Stratigakis A, Chen G, Moses PL, Mawe GM, Zhang T, Li Y, Ishaq SL. Steamed broccoli sprouts alleviate DSS-induced inflammation and retain gut microbial biogeography in mice. mSystems 2023; 8:e0053223. [PMID: 37702510 PMCID: PMC10654075 DOI: 10.1128/msystems.00532-23] [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: 05/25/2023] [Accepted: 07/24/2023] [Indexed: 09/14/2023] Open
Abstract
IMPORTANCE Evaluating bacterial communities across different locations in the gut provides a greater insight than fecal samples alone and provides an additional metric by which to evaluate beneficial host-microbe interactions. Here, we show that 10% steamed broccoli sprouts in the diet protects mice from the negative effects of dextran sodium sulfate-induced colitis, that colitis erases biogeographic patterns of bacterial communities in the gut, and that the cecum is not likely to be a significant contributor to colonic bacteria of interest in the DSS mouse model of ulcerative colitis. Mice fed the broccoli sprout diet during colitis performed better than mice fed the control diet while receiving DSS. The identification of accessible dietary components and concentrations that help maintain and correct the gut microbiome may provide universal and equitable approaches to IBD prevention and recovery, and broccoli sprouts represent a promising strategy.
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Affiliation(s)
- Johanna M. Holman
- School of Food and Agriculture, University of Maine, Orono, Maine, USA
| | - Louisa Colucci
- Department of Biology, Husson University, Bangor, Maine, USA
| | - Dorien Baudewyns
- Department of Psychology, University of Maine, Orono, Maine, USA
| | - Joe Balkan
- Department of Chemical and Biological Engineering, Tufts University, Medford, Massachusetts, USA
| | - Timothy Hunt
- Department of Biology, University of Maine, Orono, Maine, USA
| | - Benjamin Hunt
- Department of Biology, University of Maine, Orono, Maine, USA
| | - Marissa Kinney
- School of Food and Agriculture, University of Maine, Orono, Maine, USA
| | - Lola Holcomb
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA
| | - Allesandra Stratigakis
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, New York, USA
| | - Grace Chen
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Peter L. Moses
- Departments of Neurological Sciences and of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
- Finch Therapeutics, Somerville, Massachusetts, USA
| | - Gary M. Mawe
- Departments of Neurological Sciences and of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Tao Zhang
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, New York, USA
| | - Yanyan Li
- School of Food and Agriculture, University of Maine, Orono, Maine, USA
| | - Suzanne L. Ishaq
- School of Food and Agriculture, University of Maine, Orono, Maine, USA
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Holcomb L, Holman JM, Hurd M, Lavoie B, Colucci L, Hunt B, Hunt T, Kinney M, Pathak J, Mawe GM, Moses PL, Perry E, Stratigakis A, Zhang T, Chen G, Ishaq SL, Li Y. Early life exposure to broccoli sprouts confers stronger protection against enterocolitis development in an immunological mouse model of inflammatory bowel disease. bioRxiv 2023:2023.01.27.525953. [PMID: 36747766 PMCID: PMC9900910 DOI: 10.1101/2023.01.27.525953] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Crohn's Disease (CD) is a presentation of Inflammatory Bowel Disease (IBD) that manifests in childhood and adolescence, and involves chronic and severe enterocolitis, immune and gut microbiome dysregulation, and other complications. Diet and gut-microbiota-produced metabolites are sources of anti-inflammatories which could ameliorate symptoms. However, questions remain on how IBD influences biogeographic patterns of microbial location and function in the gut, how early life transitional gut communities are affected by IBD and diet interventions, and how disruption to biogeography alters disease mediation by diet components or microbial metabolites. Many studies on diet and IBD use a chemically induced ulcerative colitis model, despite the availability of an immune-modulated CD model. Interleukin-10-knockout (IL-10-KO) mice on a C57BL/6 background, beginning at age 4 or 7 weeks, were fed a control diet or one containing 10% (w/w) raw broccoli sprouts, which was high in the sprout-sourced anti-inflammatory sulforaphane. Diets began 7 days prior to, and for 2 weeks after inoculation with Helicobacter hepaticus, which triggers Crohn's-like symptoms in these immune-impaired mice. The broccoli sprout diet increased sulforaphane in plasma; decreased weight stagnation, fecal blood, and diarrhea associated; and increased microbiota richness in the gut, especially in younger mice. Sprout diets resulted in some anatomically specific bacteria in younger mice, and reduced the prevalence and abundance of pathobiont bacteria which trigger inflammation in the IL-10-KO mouse, for example; Escherichia coli and Helicobacter. Overall, the IL-10-KO mouse model is responsive to a raw broccoli sprout diet and represents an opportunity for more diet-host-microbiome research.
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Affiliation(s)
- Lola Holcomb
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA 04469
| | - Johanna M. Holman
- School of Food and Agriculture, University of Maine, Orono, Maine, USA 04469
| | - Molly Hurd
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA 05401
| | - Brigitte Lavoie
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA 05401
| | - Louisa Colucci
- Department of Biology, Husson University, Bangor, Maine, USA 04401
| | - Benjamin Hunt
- Department of Biology, University of Maine, Orono, Maine, USA 04469
| | - Timothy Hunt
- Department of Biology, University of Maine, Orono, Maine, USA 04469
| | - Marissa Kinney
- School of Food and Agriculture, University of Maine, Orono, Maine, USA 04469
| | - Jahnavi Pathak
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA 04469
| | - Gary M. Mawe
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA 05401
| | - Peter L. Moses
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA 05401
- Finch Therapeutics, Somerville, Massachusetts, USA 02143
| | - Emma Perry
- Electron Microscopy Laboratory, University of Maine, Orono, Maine, USA 04469
| | - Allesandra Stratigakis
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, New York, USA 13790
| | - Tao Zhang
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, New York, USA 13790
| | - Grace Chen
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA 48109
| | - Suzanne L. Ishaq
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA 04469
| | - Yanyan Li
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA 04469
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Holman JM, Colucci L, Baudewyns D, Balkan J, Hunt T, Hunt B, Kinney M, Holcomb L, Chen G, Moses PL, Mawe GM, Zhang T, Li Y, Ishaq SL. Steamed broccoli sprouts alleviate DSS-induced inflammation and retain gut microbial biogeography in mice. bioRxiv 2023:2023.01.27.522641. [PMID: 37292900 PMCID: PMC10245759 DOI: 10.1101/2023.01.27.522641] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Inflammatory Bowel Diseases (IBD) are devastating conditions of the gastrointestinal tract with limited treatments, and dietary intervention may be effective, and affordable, for managing symptoms. Glucosinolate compounds are highly concentrated in broccoli sprouts, especially glucoraphanin, and can be metabolized by certain mammalian gut bacteria into anti inflammatory isothiocyanates, such as sulforaphane. Gut microbiota exhibit biogeographic patterns, but it is unknown if colitis alters these or whether the location of glucoraphanin metabolizing bacteria affects anti-inflammatory benefits. We fed specific pathogen free C57BL/6 mice either a control diet or a 10% steamed broccoli sprout diet, and gave a three-cycle regimen of 2.5% dextran sodium sulfate (DSS) in drinking water over a 34-day experiment to simulate chronic, relapsing ulcerative colitis. We monitored body weight, fecal characteristics, lipocalin, serum cytokines, and bacterial communities from the luminal and mucosa-associated populations in the jejunum, cecum, and colon. Mice fed the broccoli sprout diet with DSS treatment performed better than mice fed the control diet with DSS, including significantly more weight gain, lower Disease Activity Indexes, lower plasma lipocalin and proinflammatory cytokines, and higher bacterial richness in all gut locations. Bacterial communities were assorted by gut location, but were more homogenous across locations in the control diet + DSS mice. Importantly, our results showed that broccoli sprout feeding abrogated the effects of DSS on gut microbiota, as bacterial richness and biogeography were similar between mice receiving broccoli sprouts with and without DSS. Collectively, these results support the protective effect of steamed broccoli sprouts against dysbiosis and colitis induced by DSS. Importance Evaluating bacterial communities across different locations in the gut provides a greater insight than fecal samples alone, and provides an additional metric by which to evaluate beneficial host-microbe interactions. Here, we show that 10% steamed broccoli sprouts in the diet protects mice from the negative effects of dextran sodium sulfate induced colitis, that colitis erases biogeographical patterns of bacterial communities in the gut, and that the cecum is not likely to be a significant contributor to colonic bacteria of interest in the DSS mouse model of ulcerative colitis. Mice fed the broccoli sprout diet during colitis performed better than mice fed the control diet while receiving DSS. The identification of accessible dietary components and concentrations that help maintain and correct the gut microbiome may provide universal and equitable approaches to IBD prevention and recovery, and broccoli sprouts represent a promising strategy.
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Affiliation(s)
- Johanna M. Holman
- School of Food and Agriculture, University of Maine, Orono, Maine, USA 04469
| | - Louisa Colucci
- Department of Biology, Husson University, Bangor, Maine, USA 04401
| | | | - Joe Balkan
- Department of Chemical and Biological Engineering, Tufts University, Medford, Massachusetts, USA 02155
| | - Timothy Hunt
- Department of Biology, University of Maine, Orono, Maine, USA 04469
| | - Benjamin Hunt
- Department of Biology, University of Maine, Orono, Maine, USA 04469
| | - Marissa Kinney
- School of Food and Agriculture, University of Maine, Orono, Maine, USA 04469
| | - Lola Holcomb
- Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, Maine, USA 04469
| | - Grace Chen
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan, USA 48109
| | - Peter L. Moses
- Departments of Neurological Sciences and of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA 05401
- Finch Therapeutics, Somerville, Massachusetts, USA 02143
| | - Gary M. Mawe
- Departments of Neurological Sciences and of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA 05401
| | - Tao Zhang
- School of Pharmacy and Pharmaceutical Sciences, SUNY Binghamton University, Johnson City, New York, USA 13790
| | - Yanyan Li
- School of Food and Agriculture, University of Maine, Orono, Maine, USA 04469
| | - Suzanne L. Ishaq
- School of Food and Agriculture, University of Maine, Orono, Maine, USA 04469
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