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Dong Y, Liao W, Tang J, Fei T, Gai Z, Han M. Bifidobacterium BLa80 mitigates colitis by altering gut microbiota and alleviating inflammation. AMB Express 2022; 12:67. [PMID: 35670877 PMCID: PMC9174416 DOI: 10.1186/s13568-022-01411-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 05/27/2022] [Indexed: 12/18/2022] Open
Abstract
This study was conducted to explore the therapeutic effect of the probiotic Bifidobacterium animalis subsp. lactis BLa80 on inflammatory bowel disease. A model of ulcerative colitis (UC) was induced in C57BL/6 mice by administering of 2.5% dextran sulphate sodium (DSS) for 8 days. After developing UC, some mice were treated via intragastric administration of BLa80 at a dose of 109 colony-forming units to assess the preventive effects of BLa80 on DSS-induced UC. Compared with non-treated UC model mice, BLa80-treated mice had reduced colon shortening and improvements in colonic tissue structure. Treatment with BLa80 also decreased the serum concentrations of the proinflammatory cytokines tumor necrosis factor-alpha (TNF-α), interleukin (IL) 6 and IL-17 in mice. 16S rRNA gene sequencing revealed that BLa80 increased gut microbial diversity in mice and modulated UC-associated imbalances in the gut microbiota. BLa80 selectively promoted the growth of beneficial bacteria, including Romboutsia and Adlercreutzia, the abundances of which were negatively correlated with concentration of cellular inflammatory factors. In summary, the study results demonstrated that pretreatment with B. lactis BLa80 reduced intestinal inflammation and altered the gut microbiota, implying that BLa80 is a promising probiotic strain with potential therapeutic function in UC.
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Affiliation(s)
- Yao Dong
- Department of Research and Development, Wecare-Bio Probiotics (Suzhou) Co., Ltd., Wujiang Bridge Road, 1033, Suzhou, Jiangsu, China
| | - Wenyan Liao
- State Key Laboratory of Dairy Biotechnology, Technology Center Bright Dairy & Food Co., Ltd., Shanghai, 200436, China
| | - Jing Tang
- Shanghai Business School, 2271# Zhongshanxilu Road, Shanghai, 200235, China
| | - Teng Fei
- Department of Research and Development, Wecare-Bio Probiotics (Suzhou) Co., Ltd., Wujiang Bridge Road, 1033, Suzhou, Jiangsu, China
| | - Zhonghui Gai
- Department of Research and Development, Wecare-Bio Probiotics (Suzhou) Co., Ltd., Wujiang Bridge Road, 1033, Suzhou, Jiangsu, China
| | - Mei Han
- Shanghai Business School, 2271# Zhongshanxilu Road, Shanghai, 200235, China.
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Santiago-Rodriguez TM, Hollister EB. Multi 'omic data integration: A review of concepts, considerations, and approaches. Semin Perinatol 2021; 45:151456. [PMID: 34256961 DOI: 10.1016/j.semperi.2021.151456] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The application of 'omic techniques including, but not limited to genomics/metagenomics, transcriptomics/meta-transcriptomics, proteomics/meta-proteomics, and metabolomics to generate multiple datasets from a single sample have facilitated hypothesis generation leading to the identification of biological, molecular and ecological functions and mechanisms, as well as associations and correlations. Despite their power and promise, a variety of challenges must be considered in the successful design and execution of a multi-omics study. In this review, various 'omic technologies applicable to single- and meta-organisms (i.e., host + microbiome) are described, and considerations for sample collection, storage and processing prior to data generation and analysis, as well as approaches to data storage, dissemination and analysis are discussed. Finally, case studies are included as examples of multi-omic applications providing novel insights and a more holistic understanding of biological processes.
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Affiliation(s)
| | - Emily B Hollister
- Diversigen, Inc, 3 Greenway Plaza, Suite 1575, Houston, TX 77046, USA.
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Weng YJ, Jiang DX, Liang J, Ye SC, Tan WK, Yu CY, Zhou Y. Effects of Pretreatment with Bifidobacterium bifidum Using 16S Ribosomal RNA Gene Sequencing in a Mouse Model of Acute Colitis Induced by Dextran Sulfate Sodium. Med Sci Monit 2021; 27:e928478. [PMID: 33686049 PMCID: PMC7959103 DOI: 10.12659/msm.928478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background Bifidobacterium is a potentially effective and safe treatment for patients with inflammatory bowel disease (IBD), including ulcerative colitis and Crohn’s disease. However, information on the influence of B. bifidum on gut microbial diversity of treated and pretreated IBD patients is limited. Material/Methods Our study investigated therapeutic and preventive effects of B. bifidum ATCC 29521 on C57BL/6 mice with dextran sulfate sodium (DSS)-induced acute colitis via 16S ribosomal ribonucleic acid (rRNA) gene sequencing. Results Treatment and pretreatment of mice with B. bifidum ATCC 29521 significantly alleviated the severity of acute colitis on the basis of clinical and pathologic indicators. 16S rRNA gene sequencing showed that administration of B. bifidum shifted composition of the gut microbiome in mice with DSS-induced colitis in both treated and pretreated groups. Mice pretreated with B. bifidum ATCC 29521 for 21 days exhibited a significant increase in diversity of the gut microbiome. Principal coordinate analysis showed that gut microbiota structure was shaped by different treatments and time points. On the basis of linear discriminant analysis of effect size, the abundance of the genus Escherichia-Shigella, belonging to the family Enterobacteriaceae, was reduced in the B. bifidum-treated group, indicating that pathogens were inhibited by the B. bifidum treatment. Furthermore, the genera Intestinimonas and Bacteroides were significantly associated with the B. bifidum-pretreated group. Conclusions 16S rRNA gene sequencing showed that pretreatment with B. bifidum ATCC 29521 reduced intestinal inflammation and altered the gut microbiota to favor the genera Intestinimonas and Bacteroides.
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Affiliation(s)
- Yi-Jie Weng
- Department of Gastroenterology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China (mainland)
| | - Dan-Xian Jiang
- Department of Medical Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China (mainland)
| | - Jian Liang
- Department of Gastroenterology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China (mainland)
| | - Shi-Cai Ye
- Department of Gastroenterology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China (mainland)
| | - Wen-Kai Tan
- Department of Gastroenterology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China (mainland)
| | - Cai-Yuan Yu
- Department of Gastroenterology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China (mainland)
| | - Yu Zhou
- Department of Gastroenterology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China (mainland)
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Pammi M, De Plaen IG, Maheshwari A. Recent Advances in Necrotizing Enterocolitis Research: Strategies for Implementation in Clinical Practice. Clin Perinatol 2020; 47:383-397. [PMID: 32439118 PMCID: PMC7245582 DOI: 10.1016/j.clp.2020.02.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Necrotizing enterocolitis (NEC) is a complex inflammatory necrosis of the neonatal intestine, which is likely to require a multipronged approach for prevention and treatment. Despite identifying and defining NEC as a disease entity several decades back, no major progress has been made toward its early identification, treatment, or prevention. This article reviews the latest research strategies that are currently ongoing for early diagnosis and monitoring and prevention of the disease.
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Affiliation(s)
- Mohan Pammi
- Department of Pediatrics, Baylor College of Medicine, Texas Children’s Hospital, Houston, TX, USA
| | - Isabelle G. De Plaen
- Department of Pediatrics, Ann & Robert H. Lurie Children’s Hospital of Chicago, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
| | - Akhil Maheshwari
- Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, MD, USA.
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Van Belkum M, Mendoza Alvarez L, Neu J. Preterm neonatal immunology at the intestinal interface. Cell Mol Life Sci 2020; 77:1209-1227. [PMID: 31576423 PMCID: PMC11105006 DOI: 10.1007/s00018-019-03316-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/21/2019] [Accepted: 09/19/2019] [Indexed: 12/17/2022]
Abstract
Fetal and neonatal development represents a critical window for setting a path toward health throughout life. In this review, we focus on intestinal immunity, how it develops, and its implications for subsequent neonatal diseases. We discuss maternal nutritional and environmental exposures that dictate outcomes for the developing fetus. Although still controversial, there is evidence in support of an in utero microbiome. Specific well-intentioned and routine applications of antibiotics, steroids, and surgical interventions implemented before, during, and after birth skew the neonate towards pro-inflammatory dysbiosis. Shortly after birth, a consortium of maternal and environmentally derived bacteria, through cross-talk with the developing host immune system, takes center stage in developing or disrupting immune homeostasis at the intestinal interface. We also examine subsequent immunological cross-talks, which involve neonatal myeloid and lymphoid responses, and their potential impacts on health and disease such as necrotizing enterocolitis and sepsis, especially critical disease entities for the infant born preterm.
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Affiliation(s)
- Max Van Belkum
- Division of Neonatology, Department of Pediatrics, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Lybil Mendoza Alvarez
- Division of Neonatology, Department of Pediatrics, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Josef Neu
- Division of Neonatology, Department of Pediatrics, College of Medicine, University of Florida, Gainesville, FL, 32610, USA.
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Abstract
Necrotizing enterocolitis (NEC) is a poorly defined disease that primarily affects preterm infants. There has not been much progress in the prevention or treatment of NEC since it became recognized as a common problem in preterm infants. Reasons for this lack of progress include the likelihood that different diseases are being put under the same moniker of "NEC," similar to using "diabetes" for the different diseases it represents. In order to make progress, better delineation of the phenotypes that present as NEC will be necessary to clearly establish their pathophysiology, find specific and sensitive biomarkers, and establish preventative regimens. In this review, we summarize some of the entities that are being called NEC, discuss the pathophysiology of the most classic form of NEC, and provide an overview of how we might proceed in the future to make progress in this field.
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Affiliation(s)
- Josef Neu
- University of Florida, Gainesville, USA.
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Neonatal Microbiome and Its Relationship to Necrotizing Enterocolitis: A Review of the Science. J Perinat Neonatal Nurs 2020; 34:276-282. [PMID: 32697548 DOI: 10.1097/jpn.0000000000000507] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Necrotizing enterocolitis (NEC) occurs in many premature infants hospitalized in the neonatal intensive care unit. About 3% to 15% of very low-weight premature infants develop NEC, with an estimated 30% mortality rate for the cases requiring surgery. Currently, there is no known pathogenesis for NEC in the patient's populations. However, one of the most widely accepted hypotheses is having an abnormal fetal gut microbiome. The purpose of this review is to discuss some current methods of dysbiosis in the neonatal microbiome, such as maternal health, breastfeeding, and delivery method, and then to connect these to the occurrence of NEC in the infant and finally discuss some possibilities for limiting the occurrence of NEC in the future.
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