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Rivet-Noor CR, Merchak AR, Render C, Gay NM, Beiter RM, Brown RM, Keeler A, Moreau GB, Li S, Olgun DG, Steigmeyer AD, Ofer R, Phan T, Vemuri K, Chen L, Mahoney KE, Shin JB, Malaker SA, Deppmann C, Verzi MP, Gaultier A. Stress-induced mucin 13 reductions drive intestinal microbiome shifts and despair behaviors. Brain Behav Immun 2024; 119:665-680. [PMID: 38579936 PMCID: PMC11187485 DOI: 10.1016/j.bbi.2024.03.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/26/2024] [Accepted: 03/17/2024] [Indexed: 04/07/2024] Open
Abstract
Depression is a prevalent psychological condition with limited treatment options. While its etiology is multifactorial, both chronic stress and changes in microbiome composition are associated with disease pathology. Stress is known to induce microbiome dysbiosis, defined here as a change in microbial composition associated with a pathological condition. This state of dysbiosis is known to feedback on depressive symptoms. While studies have demonstrated that targeted restoration of the microbiome can alleviate depressive-like symptoms in mice, translating these findings to human patients has proven challenging due to the complexity of the human microbiome. As such, there is an urgent need to identify factors upstream of microbial dysbiosis. Here we investigate the role of mucin 13 as an upstream mediator of microbiome composition changes in the context of stress. Using a model of chronic stress, we show that the glycocalyx protein, mucin 13, is selectively reduced after psychological stress exposure. We further demonstrate that the reduction of Muc13 is mediated by the Hnf4 transcription factor family. Finally, we determine that deleting Muc13 is sufficient to drive microbiome shifts and despair behaviors. These findings shed light on the mechanisms behind stress-induced microbial changes and reveal a novel regulator of mucin 13 expression.
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Affiliation(s)
- Courtney R Rivet-Noor
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Molecular Genetics and Microbiology, Duke University, Durham, NC 27710, USA.
| | - Andrea R Merchak
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Caroline Render
- Undergraduate Department of Global Studies, University of Virginia College of Arts and Sciences, Charlottesville, VA 22904, USA
| | - Naudia M Gay
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Rebecca M Beiter
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Ryan M Brown
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Graduate Program in Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Austin Keeler
- Department of Biology, University of Virginia College of Arts and Sciences, Charlottesville, VA 22904, USA
| | - G Brett Moreau
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Sihan Li
- Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Deniz G Olgun
- Undergraduate Department of Computer Science, University of Virginia School of Engineering and Applied Science, Charlottesville, VA 22904, USA; Undergraduate Department of Neuroscience Studies, University of Virginia College of Arts and Sciences, Charlottesville, VA 22904, USA
| | | | - Rachel Ofer
- Department of Genetics, Human Genetics Institute of New Jersey, Rutgers Cancer Institute of New Jersey, Rutgers Center for Lipid Research, Division of Environmental & Population Health Biosciences, EOHSI, New Brunswick, NJ 08901, USA
| | - Tobey Phan
- Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Kiranmayi Vemuri
- Department of Genetics, Human Genetics Institute of New Jersey, Rutgers Cancer Institute of New Jersey, Rutgers Center for Lipid Research, Division of Environmental & Population Health Biosciences, EOHSI, New Brunswick, NJ 08901, USA
| | - Lei Chen
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China
| | - Keira E Mahoney
- Department of Chemistry, Yale University, New Haven, CT 06511, USA
| | - Jung-Bum Shin
- Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Stacy A Malaker
- Department of Chemistry, Yale University, New Haven, CT 06511, USA
| | - Chris Deppmann
- Department of Biology, University of Virginia College of Arts and Sciences, Charlottesville, VA 22904, USA
| | - Michael P Verzi
- Department of Genetics, Human Genetics Institute of New Jersey, Rutgers Cancer Institute of New Jersey, Rutgers Center for Lipid Research, Division of Environmental & Population Health Biosciences, EOHSI, New Brunswick, NJ 08901, USA
| | - Alban Gaultier
- Center for Brain Immunology and Glia, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA 22908, USA.
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van Klinken BJW, Stewart ML, Kalgaonkar S, Chae L. Health-Promoting Opportunities of Hemp Hull: The Potential of Bioactive Compounds. J Diet Suppl 2024:1-15. [PMID: 38303514 DOI: 10.1080/19390211.2024.2308264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Hemp hull is the outer coat of the hemp seed, derived from the plant Cannabis sativa L., Cannabaceae. While much attention has been paid to hemp seed for its oil, protein and micronutrient content, far less attention has been given to hemp hull, a side stream of hemp processing. Hemp hull is a source of bioactive compounds, dietary fiber, minerals as well as protein, lipids and carbohydrates. Of note, two bioactive compounds, n-trans-caffeoyltyramine and n-trans-feruloyltyramine have been identified in hemp hull as key bioactive compounds that support gut health, liver function and other physiological processes. Both of these compounds were identified as agonists of the transcription factor, hepatic nuclear factor-4 alpha which has been implicated in gene expression that governs gut permeability, factors associated with inflammatory bowel diseases, and hepatic lipid homeostasis. Additionally, the dietary fibers in hemp hull have been demonstrated to be novel prebiotics, which may further amplify hemp hull's effect on gut health and metabolic health. This review article summarizes the nutritional content of hemp hull, explores the physiological effects of bioactive compounds found in hemp hull, and identifies opportunities for further research on hemp hull for human health benefit.
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Affiliation(s)
| | - Maria L Stewart
- Growing Brilliance LLC, Stockton, NJ, USA
- Department of Integrative and Functional Nutrition, Saybrook University, Pasadena, CA, USA
| | - Swati Kalgaonkar
- Medical, Scientific and Regulatory Affairs, Brightseed, South San Francisco, CA, USA
| | - Lee Chae
- Medical, Scientific and Regulatory Affairs, Brightseed, South San Francisco, CA, USA
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Martinez-Lomeli J, Deol P, Deans JR, Jiang T, Ruegger P, Borneman J, Sladek FM. Impact of various high fat diets on gene expression and the microbiome across the mouse intestines. Sci Rep 2023; 13:22758. [PMID: 38151490 PMCID: PMC10752901 DOI: 10.1038/s41598-023-49555-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 12/09/2023] [Indexed: 12/29/2023] Open
Abstract
High fat diets (HFDs) have been linked to several diseases including obesity, diabetes, fatty liver, inflammatory bowel disease (IBD) and colon cancer. In this study, we examined the impact on intestinal gene expression of three isocaloric HFDs that differed only in their fatty acid composition-coconut oil (saturated fats), conventional soybean oil (polyunsaturated fats) and a genetically modified soybean oil (monounsaturated fats). Four functionally distinct segments of the mouse intestinal tract were analyzed using RNA-seq-duodenum, jejunum, terminal ileum and proximal colon. We found considerable dysregulation of genes in multiple tissues with the different diets, including those encoding nuclear receptors and genes involved in xenobiotic and drug metabolism, epithelial barrier function, IBD and colon cancer as well as genes associated with the microbiome and COVID-19. Network analysis shows that genes involved in metabolism tend to be upregulated by the HFDs while genes related to the immune system are downregulated; neurotransmitter signaling was also dysregulated by the HFDs. Genomic sequencing also revealed a microbiome altered by the HFDs. This study highlights the potential impact of different HFDs on gut health with implications for the organism as a whole and will serve as a reference for gene expression along the length of the intestines.
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Affiliation(s)
- Jose Martinez-Lomeli
- Genetics, Genomics and Bioinformatics Graduate Program, University of California, Riverside, CA, 92521, USA
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA
| | - Poonamjot Deol
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA.
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, 92521, USA.
| | - Jonathan R Deans
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA
| | - Tao Jiang
- Department of Computer Science and Engineering, University of California, Riverside, CA, 92521, USA
- Institute of Integrated Genome Biology, University of California, Riverside, CA, 92521, USA
| | - Paul Ruegger
- Institute of Integrated Genome Biology, University of California, Riverside, CA, 92521, USA
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, 92521, USA
| | - James Borneman
- Institute of Integrated Genome Biology, University of California, Riverside, CA, 92521, USA
- Department of Microbiology and Plant Pathology, University of California, Riverside, CA, 92521, USA
| | - Frances M Sladek
- Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA
- Institute of Integrated Genome Biology, University of California, Riverside, CA, 92521, USA
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Martinez-Lomeli J, Deol P, Deans JR, Jiang T, Ruegger P, Borneman J, Sladek FM. Impact of Various High Fat Diets on Gene Expression and the Microbiome Across the Mouse Intestines. RESEARCH SQUARE 2023:rs.3.rs-3401763. [PMID: 37886485 PMCID: PMC10602159 DOI: 10.21203/rs.3.rs-3401763/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
High fat diets (HFDs) have been linked to several diseases including obesity, diabetes, fatty liver, inflammatory bowel disease (IBD) and colon cancer. In this study, we examined the impact on intestinal gene expression of three isocaloric HFDs that differed only in their fatty acid composition - coconut oil (saturated fats), conventional soybean oil (polyunsaturated fats) and a genetically modified soybean oil (monounsaturated fats). Four functionally distinct segments of the mouse intestinal tract were analyzed using RNA-seq - duodenum, jejunum, terminal ileum and proximal colon. We found considerable dysregulation of genes in multiple tissues with the different diets, including those encoding nuclear receptors and genes involved in xenobiotic and drug metabolism, epithelial barrier function, IBD and colon cancer as well as genes associated with the microbiome and COVID-19. Network analysis shows that genes involved in metabolism tend to be upregulated by the HFDs while genes related to the immune system are downregulated; neurotransmitter signaling was also dysregulated by the HFDs. Genomic sequencing also revealed a microbiome altered by the HFDs. This study highlights the potential impact of different HFDs on gut health with implications for the organism as a whole and will serve as a reference for gene expression along the length of the intestines.
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Kelly C, Jawahar J, Davey L, Everitt JI, Galanko JA, Anderson C, Avendano JE, McCann JR, Sartor RB, Valdivia RH, Rawls JF. Spontaneous episodic inflammation in the intestines of mice lacking HNF4A is driven by microbiota and associated with early life microbiota alterations. mBio 2023; 14:e0150423. [PMID: 37526424 PMCID: PMC10470520 DOI: 10.1128/mbio.01504-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 06/22/2023] [Indexed: 08/02/2023] Open
Abstract
The inflammatory bowel diseases (IBD) occur in genetically susceptible individuals who mount inappropriate immune responses to their microbiota leading to chronic intestinal inflammation. Whereas IBD clinical presentation is well described, how interactions between microbiota and host genotype impact early subclinical stages of the disease remains unclear. The transcription factor hepatocyte nuclear factor 4 alpha (HNF4A) has been associated with human IBD, and deletion of Hnf4a in intestinal epithelial cells (IECs) in mice (Hnf4aΔIEC) leads to spontaneous colonic inflammation by 6-12 mo of age. Here, we tested if pathology in Hnf4aΔIEC mice begins earlier in life and if microbiota contribute to that process. Longitudinal analysis revealed that Hnf4aΔIEC mice reared in specific pathogen-free (SPF) conditions develop episodic elevated fecal lipocalin 2 (Lcn2) and loose stools beginning by 4-5 wk of age. Lifetime cumulative Lcn2 levels correlated with histopathological features of colitis at 12 mo. Antibiotic and gnotobiotic tests showed that these phenotypes in Hnf4aΔIEC mice were dependent on microbiota. Fecal 16S rRNA gene sequencing in SPF Hnf4aΔIEC and control mice disclosed that genotype significantly contributed to differences in microbiota composition by 12 mo, and longitudinal analysis of the Hnf4aΔIEC mice with the highest lifetime cumulative Lcn2 revealed that microbial community differences emerged early in life when elevated fecal Lcn2 was first detected. These microbiota differences included enrichment of a novel phylogroup of Akkermansia muciniphila in Hnf4aΔIEC mice. We conclude that HNF4A functions in IEC to shape composition of the gut microbiota and protect against episodic inflammation induced by microbiota throughout the lifespan. IMPORTANCE The inflammatory bowel diseases (IBD), characterized by chronic inflammation of the intestine, affect millions of people around the world. Although significant advances have been made in the clinical management of IBD, the early subclinical stages of IBD are not well defined and are difficult to study in humans. This work explores the subclinical stages of disease in mice lacking the IBD-associated transcription factor HNF4A in the intestinal epithelium. Whereas these mice do not develop overt disease until late in adulthood, we find that they display episodic intestinal inflammation, loose stools, and microbiota changes beginning in very early life stages. Using germ-free and antibiotic-treatment experiments, we reveal that intestinal inflammation in these mice was dependent on the presence of microbiota. These results suggest that interactions between host genotype and microbiota can drive early subclinical pathologies that precede the overt onset of IBD and describe a mouse model to explore those important processes.
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Affiliation(s)
- Cecelia Kelly
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA
| | - Jayanth Jawahar
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA
| | - Lauren Davey
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA
- Department of Immunology, Duke University School of Medicine, Durham, North Carolina, USA
| | - Jeffrey I. Everitt
- Department of Pathology, Research Animal Pathology Core, Duke University School of Medicine, Durham, North Carolina, USA
| | - Joseph A. Galanko
- Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Chelsea Anderson
- Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Jonathan E. Avendano
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA
| | - Jessica R. McCann
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA
| | - R. Balfour Sartor
- Department of Medicine, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Raphael H. Valdivia
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA
- Department of Immunology, Duke University School of Medicine, Durham, North Carolina, USA
| | - John F. Rawls
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA
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Ansari I, Solé-Boldo L, Ridnik M, Gutekunst J, Gilliam O, Korshko M, Liwinski T, Jickeli B, Weinberg-Corem N, Shoshkes-Carmel M, Pikarsky E, Elinav E, Lyko F, Bergman Y. TET2 and TET3 loss disrupts small intestine differentiation and homeostasis. Nat Commun 2023; 14:4005. [PMID: 37414790 PMCID: PMC10326054 DOI: 10.1038/s41467-023-39512-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/07/2023] [Indexed: 07/08/2023] Open
Abstract
TET2/3 play a well-known role in epigenetic regulation and mouse development. However, their function in cellular differentiation and tissue homeostasis remains poorly understood. Here we show that ablation of TET2/3 in intestinal epithelial cells results in a murine phenotype characterized by a severe homeostasis imbalance in the small intestine. Tet2/3-deleted mice show a pronounced loss of mature Paneth cells as well as fewer Tuft and more Enteroendocrine cells. Further results show major changes in DNA methylation at putative enhancers, which are associated with cell fate-determining transcription factors and functional effector genes. Notably, pharmacological inhibition of DNA methylation partially rescues the methylation and cellular defects. TET2/3 loss also alters the microbiome, predisposing the intestine to inflammation under homeostatic conditions and acute inflammation-induced death. Together, our results uncover previously unrecognized critical roles for DNA demethylation, possibly occurring subsequently to chromatin opening during intestinal development, culminating in the establishment of normal intestinal crypts.
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Affiliation(s)
- Ihab Ansari
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Hebrew University Medical School, Jerusalem, Israel
| | - Llorenç Solé-Boldo
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, Heidelberg, Germany
| | - Meshi Ridnik
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Hebrew University Medical School, Jerusalem, Israel
| | - Julian Gutekunst
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, Heidelberg, Germany
| | - Oliver Gilliam
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, Heidelberg, Germany
| | - Maria Korshko
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Hebrew University Medical School, Jerusalem, Israel
| | - Timur Liwinski
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel
- University Psychiatric Clinics Basel, Clinic for Adults, University of Basel, Basel, Switzerland
| | - Birgit Jickeli
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel
| | - Noa Weinberg-Corem
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Hebrew University Medical School, Jerusalem, Israel
| | - Michal Shoshkes-Carmel
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Hebrew University Medical School, Jerusalem, Israel
| | - Eli Pikarsky
- The Lautenberg Center for Immunology, Institute for Medical Research Israel-Canada, Hebrew University Medical School, Jerusalem, Israel
| | - Eran Elinav
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel
- Division of Microbiome and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Frank Lyko
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, Heidelberg, Germany
| | - Yehudit Bergman
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Hebrew University Medical School, Jerusalem, Israel.
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