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Flynn JK, Ortiz AM, Vujkovic-Cvijin I, Welles HC, Simpson J, Castello Casta FM, Yee DS, Rahmberg AR, Brooks KL, De Leon M, Knodel S, Birse K, Noel-Romas L, Deewan A, Belkaid Y, Burgener A, Brenchley JM. Translocating bacteria in SIV infection are not stochastic and preferentially express cytosine methyltransferases. Mucosal Immunol 2024:S1933-0219(24)00074-6. [PMID: 39089468 DOI: 10.1016/j.mucimm.2024.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 07/17/2024] [Accepted: 07/24/2024] [Indexed: 08/04/2024]
Abstract
Microbial translocation is a significant contributor to chronic inflammation in people living with HIV (PLWH) and is associated with increased mortality and morbidity in individuals treated for long periods with antiretrovirals. The use of therapeutics to treat microbial translocation has yielded mixed effects, in part, because the species and mechanisms contributing to translocation in HIV remain incompletely characterized. To characterize translocating bacteria, we cultured translocators from chronically SIV-infected rhesus macaques. Proteomic profiling of these bacteria identified cytosine-specific methyltransferases as a common feature and therefore, a potential driver of translocation. Treatment of translocating bacteria with the cytosine methyltransferase inhibitor decitabine significantly impaired growth for several species in vitro. In rhesus macaques, oral treatment with decitabine led to some transient decreases in translocator taxa in the gut microbiome. These data provide mechanistic insight into bacterial translocation in lentiviral infection and explore a novel therapeutic intervention that may improve the prognosis of PLWH.
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Affiliation(s)
- Jacob K Flynn
- Barrier Immunity Section, Laboratory of Viral Diseases, NIAID, NIH, Bethesda, MD, USA
| | - Alexandra M Ortiz
- Barrier Immunity Section, Laboratory of Viral Diseases, NIAID, NIH, Bethesda, MD, USA
| | - Ivan Vujkovic-Cvijin
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, NIAID, NIH, Bethesda, MD, USA
| | - Hugh C Welles
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, NIAID, NIH, Bethesda, MD, USA
| | - Jennifer Simpson
- Barrier Immunity Section, Laboratory of Viral Diseases, NIAID, NIH, Bethesda, MD, USA
| | | | - Debra S Yee
- Barrier Immunity Section, Laboratory of Viral Diseases, NIAID, NIH, Bethesda, MD, USA
| | - Andrew R Rahmberg
- Barrier Immunity Section, Laboratory of Viral Diseases, NIAID, NIH, Bethesda, MD, USA
| | - Kelsie L Brooks
- Barrier Immunity Section, Laboratory of Viral Diseases, NIAID, NIH, Bethesda, MD, USA
| | - Marlon De Leon
- Center for Global Health and Diseases, Case Western Reserve University, Cleveland, OH, USA; Department of Obstetrics & Gynecology, University of Manitoba, Winnipeg, MB, Canada
| | - Samantha Knodel
- Center for Global Health and Diseases, Case Western Reserve University, Cleveland, OH, USA; Department of Obstetrics & Gynecology, University of Manitoba, Winnipeg, MB, Canada
| | - Kenzie Birse
- Center for Global Health and Diseases, Case Western Reserve University, Cleveland, OH, USA; Department of Obstetrics & Gynecology, University of Manitoba, Winnipeg, MB, Canada
| | - Laura Noel-Romas
- Center for Global Health and Diseases, Case Western Reserve University, Cleveland, OH, USA; Department of Obstetrics & Gynecology, University of Manitoba, Winnipeg, MB, Canada
| | - Anshu Deewan
- Integrated Data Sciences Section, Research Technologies Branch, NIAID, NIH, Bethesda, MD, USA
| | - Yasmine Belkaid
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, NIAID, NIH, Bethesda, MD, USA; Metaorganism Unit, Immunology Department, Institut Pasteur, 75724 Paris, France
| | - Adam Burgener
- Center for Global Health and Diseases, Case Western Reserve University, Cleveland, OH, USA; Department of Obstetrics & Gynecology, University of Manitoba, Winnipeg, MB, Canada; Department of Medicine Solna, Karolinksa Institutet, Stockholm, Sweden
| | - Jason M Brenchley
- Barrier Immunity Section, Laboratory of Viral Diseases, NIAID, NIH, Bethesda, MD, USA.
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2
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Xu H, Luo Y, Li Q, Zhu H. Acupuncture influences multiple diseases by regulating gut microbiota. Front Cell Infect Microbiol 2024; 14:1371543. [PMID: 39040602 PMCID: PMC11260648 DOI: 10.3389/fcimb.2024.1371543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 06/13/2024] [Indexed: 07/24/2024] Open
Abstract
Acupuncture, an important green and side effect-free therapy in traditional Chinese medicine, is widely use both domestically and internationally. Acupuncture can interact with the gut microbiota and influence various diseases, including metabolic diseases, gastrointestinal diseases, mental disorders, nervous system diseases, and other diseases. This review presents a thorough analysis of these interactions and their impacts and examines the alterations in the gut microbiota and the potential clinical outcomes following acupuncture intervention to establish a basis for the future utilization of acupuncture in clinical treatments.
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Affiliation(s)
- Huimin Xu
- Department of Abdominal Tumor Multimodality Treatment, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yingzhe Luo
- Department of Oncology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Qiaoqi Li
- Department of Abdominal Tumor Multimodality Treatment, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hong Zhu
- Department of Abdominal Tumor Multimodality Treatment, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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3
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Hmiel L, Zhang S, Obare LM, Santana MADO, Wanjalla CN, Titanji BK, Hileman CO, Bagchi S. Inflammatory and Immune Mechanisms for Atherosclerotic Cardiovascular Disease in HIV. Int J Mol Sci 2024; 25:7266. [PMID: 39000373 PMCID: PMC11242562 DOI: 10.3390/ijms25137266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 06/26/2024] [Accepted: 06/28/2024] [Indexed: 07/16/2024] Open
Abstract
Atherosclerotic vascular disease disproportionately affects persons living with HIV (PLWH) compared to those without. The reasons for the excess risk include dysregulated immune response and inflammation related to HIV infection itself, comorbid conditions, and co-infections. Here, we review an updated understanding of immune and inflammatory pathways underlying atherosclerosis in PLWH, including effects of viral products, soluble mediators and chemokines, innate and adaptive immune cells, and important co-infections. We also present potential therapeutic targets which may reduce cardiovascular risk in PLWH.
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Affiliation(s)
- Laura Hmiel
- Department of Medicine, Division of Infectious Disease, MetroHealth Medical Center and Case Western Reserve University, Cleveland, OH 44109, USA
| | - Suyu Zhang
- Department of Medicine, Emory University, Atlanta, GA 30322, USA
| | - Laventa M. Obare
- Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | | | - Celestine N. Wanjalla
- Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Boghuma K. Titanji
- Division of Infectious Diseases, Emory University, Atlanta, GA 30322, USA
| | - Corrilynn O. Hileman
- Department of Medicine, Division of Infectious Disease, MetroHealth Medical Center and Case Western Reserve University, Cleveland, OH 44109, USA
| | - Shashwatee Bagchi
- Division of Infectious Diseases, Washington University in St. Louis, St. Louis, MO 63110, USA
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4
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Zhu J, Wang H, Aisikaer M, Yisimayili Z, Yang T, Zhou W, Zhao J, Yunusi K, Aximujiang K. L.acidophilus HSCC LA042 and HKL suspension ameliorate DSS-induced ulcerative colitis in mice by improving the intestinal barrier inhibiting the NLRP3 inflammasome and pathogenic bacteria. Heliyon 2024; 10:e33053. [PMID: 39027449 PMCID: PMC11254534 DOI: 10.1016/j.heliyon.2024.e33053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 06/07/2024] [Accepted: 06/13/2024] [Indexed: 07/20/2024] Open
Abstract
Ulcerative Colitis(UC) is a chronic intestinal inflammation affecting the intestines, yet its underlying causes remain unclear. In recent decades, the global prevalence of UC has been on the rise, leading to an increasing demand for therapeutic drugs with minimal side effects. Huan Kui Le (HKL), a traditional Chinese medicine compound, has demonstrated promising efficacy when combined with Lactobacillus acidophilus (Lac.) for UC intervention. However, the precise therapeutic mechanism of this combination remains unknown. The study focused on understanding the mechanisms of UC by examining the effects of Lac. and HKL (LH) treatment. The outcomes discovered that the disruption of gut microbiota, triggered by the activation of the NLRP3 inflammasome, plays a crucial role in UC development. This disruption exacerbates UC symptoms by causing disturbances in inflammatory cytokines and mucosal permeability. We investigated the dynamic changes following the application of this treatment using 16S rRNA sequencing, HE, WB, IHC, and ELISA. Compared with the UC group, LH treatment reduced colon pathological injury, improved colon length, and decreased IL-1 β serum levels. Furthermore, it restored the expression of TJs and preserved mucosal barrier integrity. LH treatment also mitigated colon injury by attenuating the expression of pyroptosis-related genes and proteins, such as NLRP3 and Caspase-1. Additionally, LH treatment altered the gut microbiota's microecology, characterized by a reduction in pathogenic bacteria abundance like Escherichia-shigella and an increase in beneficial bacteria abundance like Akkermansia and Erysipelatoclostridium. Overall, our findings indicate that LH therapy may be associated with intestinal barrier repair, inflammasome inhibition, and gut microbiota regulation, suggesting its potential as a UC treatment.
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Affiliation(s)
- Jiwei Zhu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
| | - Hanming Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
| | - Muaitaer Aisikaer
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
| | | | - Tongtong Yang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
| | - Wenjun Zhou
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
| | - Jianfeng Zhao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
| | - Kurexi Yunusi
- Uygur Medical College, Xinjiang Medical University, Urumqi, 830017, China
| | - Kasimujiang Aximujiang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, China
- Xinjiang Key Laboratory of Molecular Biology for Endemic Disease, Urumqi, Xinjiang, 830017, China
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5
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Kamimura I, Miyauchi E, Takeuchi T, Tsuchiya N, Tamura K, Uesugi A, Negishi H, Taida T, Kato T, Kawasumi M, Nagasawa M, Mogi K, Ohno H, Kikusui T. Modulation of gut microbiota composition due to early weaning stress induces depressive behavior during the juvenile period in mice. Anim Microbiome 2024; 6:33. [PMID: 38902845 PMCID: PMC11188262 DOI: 10.1186/s42523-024-00322-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 06/10/2024] [Indexed: 06/22/2024] Open
Abstract
BACKGROUND The gut microbiota plays an important role in the development of behavior and immunity in infants and juveniles. Early weaning (EW), a form of social stress in mice, leads to increased anxiety and an enhanced stress response in the hypothalamic-pituitary-adrenal axis during adulthood. Early life stress also modulates the immune system and increases vulnerability to infection. However, studies investigating the causal relationships among juvenile stress, microbiota changes, and immune and behavioral deficits are limited. Therefore, we hypothesized that EW alters gut microbiota composition and impairs the development of the nervous and immune systems. RESULTS EW mice moved longer distances in the marble-burying test and had longer immobility times in the tail suspension test than normal weaning (NW) mice. In parallel, the gut microbiome composition differed between NW and EW mice, and the abundance of Erysipelotrichacea in EW mice at 8 weeks of age was lower than that in NW mice. In an empirical study, germ-free mice colonized with the gut microbiota of EW mice (GF-EW mice) demonstrated higher depressive behavior than GF mice colonized with normal weaning microbiota (GF-NW mice). Immune cell profiles were also affected by the EW microbiota colonization; the number of CD4 + T cells in the spleen was reduced in GF-EW mice. CONCLUSION Our results suggest that EW-induced alterations in the gut microbiota cause depressive behaviors and modulate the immune system.
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Affiliation(s)
- Itsuka Kamimura
- Laboratory for Microbiome Sciences, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Eiji Miyauchi
- Laboratory for Intestinal Ecosystem, RIKEN Centre for Integrative Medical Sciences, Yokohama, Japan
- Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Tadashi Takeuchi
- Laboratory for Intestinal Ecosystem, RIKEN Centre for Integrative Medical Sciences, Yokohama, Japan
| | - Noriaki Tsuchiya
- Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Japan
| | - Kanami Tamura
- Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Japan
| | - Ayumi Uesugi
- Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Japan
| | - Hiroki Negishi
- Laboratory for Intestinal Ecosystem, RIKEN Centre for Integrative Medical Sciences, Yokohama, Japan
| | - Takashi Taida
- Laboratory for Intestinal Ecosystem, RIKEN Centre for Integrative Medical Sciences, Yokohama, Japan
| | - Tamotsu Kato
- Laboratory for Intestinal Ecosystem, RIKEN Centre for Integrative Medical Sciences, Yokohama, Japan
| | - Masami Kawasumi
- Laboratory for Intestinal Ecosystem, RIKEN Centre for Integrative Medical Sciences, Yokohama, Japan
| | - Miho Nagasawa
- Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Japan
- Center for Human and Animal Symbiosis Science, Azabu University, Sagamihara, Japan
| | - Kazutaka Mogi
- Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Japan
- Center for Human and Animal Symbiosis Science, Azabu University, Sagamihara, Japan
| | - Hiroshi Ohno
- Laboratory for Microbiome Sciences, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Laboratory for Intestinal Ecosystem, RIKEN Centre for Integrative Medical Sciences, Yokohama, Japan
| | - Takefumi Kikusui
- Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Japan.
- Center for Human and Animal Symbiosis Science, Azabu University, Sagamihara, Japan.
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6
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Amaro-da-Cruz A, Rubio-Tomás T, Álvarez-Mercado AI. Specific microbiome patterns and their association with breast cancer: the intestinal microbiota as a potential biomarker and therapeutic strategy. Clin Transl Oncol 2024:10.1007/s12094-024-03554-w. [PMID: 38890244 DOI: 10.1007/s12094-024-03554-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 06/04/2024] [Indexed: 06/20/2024]
Abstract
Breast cancer (BC) is one of the most diagnosed cancers in women. Based on histological characteristics, they are classified as non-invasive, or in situ (tumors located within the milk ducts or milk lobules) and invasive. BC may develop from in situ carcinomas over time. Determining prognosis and predicting response to treatment are essential tools to manage this disease and reduce its incidence and mortality, as well as to promote personalized therapy for patients. However, over half of the cases are not associated with known risk factors. In addition, some patients develop resistance to treatment and relapse. Therefore, it is necessary to identify new biomarkers and treatment strategies that improve existing therapies. In this regard, the role of the microbiome is being researched as it could play a role in carcinogenesis and the efficacy of BC therapies. This review aims to describe specific microbiome patterns associated with BC. For this, a literature search was carried out in PubMed database using the MeSH terms "Breast Neoplasms" and "Gastrointestinal Microbiome", including 29 publications. Most of the studies have focused on characterizing the gut or breast tissue microbiome of the patients. Likewise, studies in animal models and in vitro that investigated the impact of gut microbiota (GM) on BC treatments and the effects of the microbiome on tumor cells were included. Based on the results of the included articles, BC could be associated with an imbalance in the GM. This imbalance varied depending on molecular type, stage and grade of cancer, menopause, menarche, body mass index, and physical activity. However, a specific microbial profile could not be identified as a biomarker. On the other hand, some studies suggest that the GM may influence the efficacy of BC therapies. In addition, some microorganisms and bacterial metabolites could improve the effects of therapies or influence tumor development.
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Affiliation(s)
- Alba Amaro-da-Cruz
- Department of Chemical Engineering, Faculty of Science, University of Granada, 18071, Granada, Spain
| | - Teresa Rubio-Tomás
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete, Greece
| | - Ana I Álvarez-Mercado
- Instituto de Investigación Biosanitaria ibs.GRANADA, Complejo Hospitalario Universitario de Granada, 18014, Granada, Spain.
- Institute of Nutrition and Food Technology, Biomedical Research Center, University of Granada, 18016, Armilla, Spain.
- Department of Pharmacology School of Pharmacy, University of Granada, 18071, Granada, Spain.
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7
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Rahmberg AR, Markowitz TE, Mudd JC, Ortiz AM, Brenchley JM. SIV infection and ARV treatment reshape the transcriptional and epigenetic profile of naïve and memory T cells in vivo. J Virol 2024; 98:e0028324. [PMID: 38780248 PMCID: PMC11237756 DOI: 10.1128/jvi.00283-24] [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: 02/09/2024] [Accepted: 04/27/2024] [Indexed: 05/25/2024] Open
Abstract
Human and simian immunodeficiency viruses (HIV and SIV) are lentiviruses that reverse transcribe their RNA genome with subsequent integration into the genome of the target cell. How progressive infection and administration of antiretrovirals (ARVs) longitudinally influence the transcriptomic and epigenetic landscape of particular T cell subsets, and how these may influence the genetic location of integration are unclear. Here, we use RNAseq and ATACseq to study the transcriptomics and epigenetic landscape of longitudinally sampled naïve and memory CD4+ and CD8+ T cells in two species of non-human primates prior to SIV infection, during chronic SIV infection, and after administration of ARVs. We find that SIV infection leads to significant alteration to the transcriptomic profile of all T cell subsets that are only partially reversed by administration of ARVs. Epigenetic changes were more apparent in animals with longer periods of untreated SIV infection and correlated well with changes in corresponding gene expression. Known SIV integration sites did not vary due to SIV status but did contain more open chromatin in rhesus macaque memory T cells, and the expression of proteasome-related genes at the pre-SIV timepoint correlated with subsequent viremia.IMPORTANCEChronic inflammation during progressive human and simian immunodeficiency virus (HIV and SIV) infections leads to significant co-morbidities in infected individuals with significant consequences. Antiretroviral (ARV)-treated individuals also manifest increased levels of inflammation which are associated with increased mortalities. These data will help guide rational development of modalities to reduce inflammation observed in people living with HIV and suggest mechanisms underlying lentiviral integration site preferences.
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Affiliation(s)
- Andrew R. Rahmberg
- Barrier Immunity Section, Lab of Viral Diseases, NIAID, NIH, Bethesda, Maryland, USA
| | - Tovah E. Markowitz
- Integrated Data Sciences Section, Research Technologies Branch, NIAID, NIH, Bethesda, Maryland, USA
| | - Joseph C. Mudd
- Division of Immunology, Tulane National Primate Research Center, Covington, Louisiana, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Alexandra M. Ortiz
- Barrier Immunity Section, Lab of Viral Diseases, NIAID, NIH, Bethesda, Maryland, USA
| | - Jason M. Brenchley
- Barrier Immunity Section, Lab of Viral Diseases, NIAID, NIH, Bethesda, Maryland, USA
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8
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Huang P, Liu Q, Zhang T, Yang J. Gut microbiota influence acute pancreatitis through inflammatory proteins: a Mendelian randomization analysis. Front Cell Infect Microbiol 2024; 14:1380998. [PMID: 38881734 PMCID: PMC11176513 DOI: 10.3389/fcimb.2024.1380998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 05/13/2024] [Indexed: 06/18/2024] Open
Abstract
Background/Aim We employed Mendelian randomization (MR) analysis to investigate the causal relationship between the gut microbiota, acute pancreatitis, and potential inflammatory proteins. Methods The data for gut microbiota, acute pancreatitis, and inflammatory proteins are sourced from public databases. We conducted a bidirectional MR analysis to explore the causal relationship between gut microbiota and acute pancreatitis, and employed a two-step MR analysis to identify potential mediating inflammatory proteins. IVW is the primary analysis method, heterogeneity, pleiotropy, and sensitivity analyses were also conducted simultaneously. Results We identified five bacterial genera associated with the risk of acute pancreatitis, namely genus.Coprococcus3, genus.Eubacterium fissicatena group, genus.Erysipelotrichaceae UCG-003, genus.Fusicatenibacter, and genus.Ruminiclostridium6. Additionally, we have discovered three inflammatory proteins that are also associated with the occurrence of acute pancreatitis, namely interleukin-15 receptor subunit alpha (IL-15RA), monocyte chemoattractant protein-4 (CCL13), and tumor necrosis factor receptor superfamily member 9 (TNFRSF9). Following a two-step MR analysis, we ultimately identified IL-15RA as a potential intermediate factor, with a mediated effect of 0.018 (95% CI: 0.005 - 0.032). Conclusion Our results support the idea that genus.Coprococcus3 promotes the occurrence of acute pancreatitis through IL-15RA. Furthermore, there is a potential causal relationship between the gut microbiota, inflammatory proteins, and acute pancreatitis. These findings provide new insights for subsequent acute pancreatitis prevention.
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Affiliation(s)
- Peiyao Huang
- Department of Gastroenterology, the Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, China
| | - Qiang Liu
- Department of Gastroenterology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Integrated Traditional Chinese and Western Medicine for Biliary and Pancreatic Diseases of Zhejiang Province, Hangzhou, China
- Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Hangzhou, China
| | - Tianlong Zhang
- Department of Critical Care Medicine, The Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, China
| | - Jianfeng Yang
- Department of Gastroenterology, Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Integrated Traditional Chinese and Western Medicine for Biliary and Pancreatic Diseases of Zhejiang Province, Hangzhou, China
- Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Hangzhou, China
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9
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Nganou-Makamdop K, Douek DC. The Gut and the Translocated Microbiomes in HIV Infection: Current Concepts and Future Avenues. Pathog Immun 2024; 9:168-194. [PMID: 38807656 PMCID: PMC11132393 DOI: 10.20411/pai.v9i1.693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 05/03/2024] [Indexed: 05/30/2024] Open
Abstract
It is widely acknowledged that HIV infection results in disruption of the gut's mucosal integrity partly due a profound loss of gastrointestinal CD4+ T cells that are targets of the virus. In addition, systemic inflammation and immune activation that drive disease pathogenesis are reduced but not normalized by antiretroviral therapy (ART). It has long been postulated that through the process of microbial translocation, the gut microbiome acts as a key driver of systemic inflammation and immune recovery in HIV infection. As such, many studies have aimed at characterizing the gut microbiota in order to unravel its influence in people with HIV and have reported an association between various bacterial taxa and inflammation. This review assesses both contra-dictory and consistent findings among several studies in order to clarify the overall mechanisms by which the gut microbiota in adults may influence immune recovery in HIV infection. Independently of the gut microbiome, observations made from analysis of microbial products in the blood provide direct insight into how the translocated microbiome may drive immune recovery. To help better understand strengths and limitations of the findings reported, this review also highlights the numerous factors that can influence microbiome studies, be they experimental methodologies, and host-intrinsic or host-extrinsic factors. Altogether, a fuller understanding of the interplay between the gut microbiome and immunity in HIV infection may contribute to preventive and therapeutic approaches.
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Affiliation(s)
| | - Daniel C. Douek
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland
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10
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Cossarini F, Shang J, Krek A, Al-Taie Z, Hou R, Canales-Herrerias P, Tokuyama M, Tankelevich M, Tillowiz A, Jha D, Livanos AE, Leyre L, Uzzan M, Martinez-Delgado G, Tylor M, Sharma K, Bourgonje AR, Cruz M, Ioannou G, Dawson T, D'Souza D, Kim-Schulze S, Akm A, Aberg JA, Chen BK, Gnjatic S, Polydorides AD, Cerutti A, Argmann C, Vujkovic-Cvijin I, Suarez-Farinas M, Petralia F, Faith JJ, Mehandru S. HIV-1 infection is associated with depletion of germinal center B cells and a decrease in IgA + plasma cells in the GI tract. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.17.590425. [PMID: 38826293 PMCID: PMC11142040 DOI: 10.1101/2024.05.17.590425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Gastrointestinal (GI) B cells and plasma cells (PCs), critical to mucosal homeostasis, play an important role in the host response to HIV-1 infection. Here, high resolution mapping of human B cells and PCs from colon and ileum during both viremic and suppressed HIV-1 infection identified a significant reduction in germinal center (GC) B cells and Follicular Dendritic Cells (FDCs) during HIV-1 viremia. Further, IgA + PCs, the major cellular output of intestinal GCs were significantly reduced during viremic HIV-1 infection. PC-associated transcriptional perturbations, including type I interferon signaling persisted in antiretroviral therapy (ART) treated individuals, suggesting ongoing disruption of the intestinal immune milieu during ART. GI humoral immune perturbations associated with changes in intestinal microbiome composition and systemic inflammation. Herein, we highlight a key immune defect in the GI mucosa due to HIV-1 viremia, with major implications. One Sentence Summary Major perturbations in intestinal GC dynamics in viremic HIV-1 infection relate to reduced IgA + plasma cells, systemic inflammation and microbiota changes.
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11
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Zhou H, Chen Z, Li J, Wang R, Bu H, Ruan C. Dietary Supplementation with Nervonic Acid Ameliorates Cerebral Ischemia-Reperfusion Injury by Modulating of Gut Microbiota Composition-Fecal Metabolites Interaction. Mol Nutr Food Res 2024:e2300671. [PMID: 38566522 DOI: 10.1002/mnfr.202300671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 02/24/2024] [Indexed: 04/04/2024]
Abstract
SCOPE Cerebral ischemia-reperfusion (IR) injury stands as a prominent global contributor to disability and mortality. Nervonic acid (NA), a bioactive elongated monounsaturated fatty acid, holds pivotal significance in human physiological well-being. This research aims to explore the prophylactic effects and fundamental mechanisms of NA in a rat model of cerebral IR injury. METHODS AND RESULTS Through the induction of middle cerebral artery occlusion, this study establishes a rat model of cerebral IR injury and comprehensively assesses the pharmacodynamic impacts of NA pretreatment. This evaluation involves behavioral analyses, histopathological examinations, and quantification of serum markers. Detailed mechanisms of nervonic acid's prophylactic effects are revealed through fecal metabolomics and 16S rRNA sequencing analyses. Our findings robustly support nervonic acid's capacity to ameliorate neurological impairments in rats afflicted with cerebral IR injury. Beyond its neurological benefits, NA demonstrates its potential by rectifying metabolic perturbations across diverse pathways, particularly those pertinent to unsaturated fatty acid metabolism. Additionally, NA emerges as a modulator of gut microbiota composition, notably by selectively enhancing vital genera like Lactobacillus. CONCLUSION These comprehensive findings highlight the potential of incorporating NA as a functional component in dietary interventions aimed at targeting cerebral IR injury.
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Affiliation(s)
- Hui Zhou
- Key Laboratory of Biotechnology and Resource Utilization of Ministry of Education, Institute of Plant Resources, Dalian Minzu University, Dalian, 116600, China
| | - Ziyi Chen
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Jingbin Li
- Key Laboratory of Biotechnology and Resource Utilization of Ministry of Education, Institute of Plant Resources, Dalian Minzu University, Dalian, 116600, China
| | - Rongjin Wang
- School of Pharmaceutical Sciences, Jilin University, Changchun, 130021, China
| | - Hongshi Bu
- National Center of Mass Spectrometry in Changchun, Jilin Province Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Chengjiang Ruan
- Key Laboratory of Biotechnology and Resource Utilization of Ministry of Education, Institute of Plant Resources, Dalian Minzu University, Dalian, 116600, China
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12
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Zhang J, Zhong Y, Wang D, Zhu J, Deng Y, Li Y, Liu C, Wang JLT, Zhang M. Wallace melon juice fermented with Lactobacillus alleviates dextran sulfate sodium-induced ulcerative colitis in mice through modulating gut microbiota and the metabolism. J Food Sci 2024; 89:2450-2464. [PMID: 38462851 DOI: 10.1111/1750-3841.16973] [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: 09/23/2023] [Revised: 01/08/2024] [Accepted: 01/23/2024] [Indexed: 03/12/2024]
Abstract
Fermented foods have shown promise in preventing or treating ulcerative colitis (UC) via regulating intestinal flora and correcting metabolic disorders. However, the prevention effect of fermented Wallace melon juice (FMJ) on UC is unclear. In this study, the effects of FMJ on dextran sodium sulfate (DSS)-induced UC were investigated via 16S rRNA sequencing and non-targeted metabolomics. The results showed that FMJ was effective in alleviating the symptoms of UC, reducing histological damage and oxidative stress, decreasing the levels of pro-inflammatory cytokines. After FMJ treatment, the level of propionic acid, butyric acid, and valeric acid increased by 14.1%, 44.4%, and 52.4% compared to DSS-induced UC mice. Meanwhile, the levels of harmful bacteria such as Oscillospira, Bacteroidetes, and Erysipelotrichaceae and Clostridium decreased, while the levels of beneficial bacteria such as Akkermansia, Lactobacillus, and Bifidobacterium increased. Fecal metabolomics analysis identified 31 differential metabolites, which could regulate metabolic disorders in UC mice by controlling the primary bile acid biosynthesis, purine metabolism, and pantothenate and CoA biosynthesis pathway. Additionally, the abundances of butyric acid, bile acids, and pantothenic acid were positively correlated with Allobaculum, Bifidobacterium, and other beneficial bacteria (R2 > 0.80, p < 0.01). The results indicated that FMJ played a role in regulating the structure of intestinal flora, which in turn helped in repairing metabolic disorders and alleviated colitis inflammation.
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Affiliation(s)
- Junwei Zhang
- Bor Luh Food Safety Center, Department of Food Science & Technology, Shanghai Jiao Tong University, Shanghai, China
| | - Yu Zhong
- Bor Luh Food Safety Center, Department of Food Science & Technology, Shanghai Jiao Tong University, Shanghai, China
| | - Danfeng Wang
- Bor Luh Food Safety Center, Department of Food Science & Technology, Shanghai Jiao Tong University, Shanghai, China
| | - Jiangxiong Zhu
- Bor Luh Food Safety Center, Department of Food Science & Technology, Shanghai Jiao Tong University, Shanghai, China
| | - Yun Deng
- Bor Luh Food Safety Center, Department of Food Science & Technology, Shanghai Jiao Tong University, Shanghai, China
- Inner Mongolia Research Institute, Shanghai Jiao Tong University, Hohhot City, Inner Mongolia, China
| | - Yuncheng Li
- Inner Mongolia Research Institute, Shanghai Jiao Tong University, Hohhot City, Inner Mongolia, China
- College of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Cong Liu
- Department of Agriculture, Hetao College, Bayannur, Inner Mongolia, China
| | - Ji-Li-Te Wang
- Department of Agriculture, Hetao College, Bayannur, Inner Mongolia, China
| | - Minyan Zhang
- Eryuan County Inspection and Testing Institute, Yunnan, China
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13
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Nazari I, Feinstein MJ. Evolving mechanisms and presentations of cardiovascular disease in people with HIV: implications for management. Clin Microbiol Rev 2024; 37:e0009822. [PMID: 38299802 PMCID: PMC10938901 DOI: 10.1128/cmr.00098-22] [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] [Indexed: 02/02/2024] Open
Abstract
People with HIV (PWH) are at elevated risk for cardiovascular diseases (CVDs), including myocardial infarction, heart failure, and sudden cardiac death, among other CVD manifestations. Chronic immune dysregulation resulting in persistent inflammation is common among PWH, particularly those with sustained viremia and impaired CD4+ T cell recovery. This inflammatory milieu is a major contributor to CVDs among PWH, in concert with common comorbidities (such as dyslipidemia and smoking) and, to a lesser extent, off-target effects of antiretroviral therapy. In this review, we discuss the clinical and mechanistic evidence surrounding heightened CVD risks among PWH, implications for specific CVD manifestations, and practical guidance for management in the setting of evolving data.
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Affiliation(s)
- Ilana Nazari
- Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Matthew J. Feinstein
- Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
- Division of Cardiology in the Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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14
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Maghini DG, Oduaran OH, Wirbel J, Olubayo LAI, Smyth N, Mathema T, Belger CW, Agongo G, Boua PR, Choma SSR, Gómez-Olivé FX, Kisiangani I, Mashaba GR, Micklesfield L, Mohamed SF, Nonterah EA, Norris S, Sorgho H, Tollman S, Wafawanaka F, Tluway F, Ramsay M, Bhatt AS, Hazelhurst S. Expanding the human gut microbiome atlas of Africa. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.13.584859. [PMID: 38559015 PMCID: PMC10980044 DOI: 10.1101/2024.03.13.584859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Population studies are crucial in understanding the complex interplay between the gut microbiome and geographical, lifestyle, genetic, and environmental factors. However, populations from low- and middle-income countries, which represent ~84% of the world population, have been excluded from large-scale gut microbiome research. Here, we present the AWI-Gen 2 Microbiome Project, a cross-sectional gut microbiome study sampling 1,803 women from Burkina Faso, Ghana, Kenya, and South Africa. By intensively engaging with communities that range from rural and horticultural to urban informal settlements and post-industrial, we capture population diversity that represents a far greater breadth of the world's population. Using shotgun metagenomic sequencing, we find that study site explains substantially more microbial variation than disease status. We identify taxa with strong geographic and lifestyle associations, including loss of Treponema and Cryptobacteroides species and gain of Bifidobacterium species in urban populations. We uncover a wealth of prokaryotic and viral novelty, including 1,005 new bacterial metagenome-assembled genomes, and identify phylogeography signatures in Treponema succinifaciens. Finally, we find a microbiome signature of HIV infection that is defined by several taxa not previously associated with HIV, including Dysosmobacter welbionis and Enterocloster sp. This study represents the largest population-representative survey of gut metagenomes of African individuals to date, and paired with extensive clinical biomarkers, demographic data, and lifestyle information, provides extensive opportunity for microbiome-related discovery and research.
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Affiliation(s)
- Dylan G Maghini
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
- Department of Medicine (Hematology), Stanford University, Stanford, CA, USA
| | - Ovokeraye H Oduaran
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
| | - Jakob Wirbel
- Department of Medicine (Hematology), Stanford University, Stanford, CA, USA
| | - Luicer A Ingasia Olubayo
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
| | - Natalie Smyth
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
| | - Theophilous Mathema
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
| | - Carl W Belger
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
| | - Godfred Agongo
- Department of Biochemistry and Forensic Sciences, C. K. Tedam University of Technology and Applied Sciences, Navrongo, Ghana
| | - Palwendé R Boua
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, Burkina Faso
| | - Solomon SR Choma
- DIMAMO Population Health Research Centre, University of Limpopo, South Africa
| | - F Xavier Gómez-Olivé
- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), Faculty of Health Sciences, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa
| | | | - Given R Mashaba
- DIMAMO Population Health Research Centre, University of Limpopo, South Africa
| | - Lisa Micklesfield
- SAMRC/Wits Developmental Pathways for Health Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | | | | | - Shane Norris
- SAMRC/Wits Developmental Pathways for Health Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- School of Human Development and Health, University of Southampton, Southampton, United Kingdom
| | - Hermann Sorgho
- Clinical Research Unit of Nanoro, Institut de Recherche en Sciences de la Santé, Burkina Faso
| | - Stephen Tollman
- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), Faculty of Health Sciences, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa
| | - Floidy Wafawanaka
- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), Faculty of Health Sciences, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa
| | - Furahini Tluway
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
| | - Michèle Ramsay
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
| | - Ami S Bhatt
- Department of Medicine (Hematology, Blood and Marrow Transplantation), Stanford University, Stanford, CA, USA
- Department of Genetics, Stanford University, Stanford, CA, USA
| | - Scott Hazelhurst
- Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
- School of Electrical & Information Engineering, University of the Witwatersrand, Johannesburg, South Africa
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15
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He M, Zhao N. A Mixed Effect Similarity Matrix Regression Model (SMRmix) for Integrating Multiple Microbiome Datasets at Community Level and its Application in HIV. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.10.584315. [PMID: 38559012 PMCID: PMC10979838 DOI: 10.1101/2024.03.10.584315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Recent studies have highlighted the importance of human microbiota in our health and diseases. However, in many areas of research, individual microbiome studies often offer inconsistent results due to the limited sample sizes and the heterogeneity in study populations and experimental procedures. Integrative analysis of multiple microbiome datasets is necessary. However, statistical methods that incorporate multiple microbiome datasets and account for the study heterogeneity are not available in the literature. In this paper, we develop a mixed effect similarity matrix regression (SMRmix) approach for identifying community level microbiome shifts between outcomes. SMRmix has a close connection with the microbiome kernel association test, one of the most popular approaches for such a task but is only applicable when we have a single study. Via extensive simulations, we show that SMRmix has well-controlled type I error and higher power than some potential competitors. We also applied SMRmix to data from the HIV-reanalysis consortium, a collective effort that obtained all publicly available data on gut microbiome and HIV at December 2017, and obtained consistent associations of gut microbiome with HIV infection, and with MSM status (i.e. men who have sex with men).
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16
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Li K, Zhang C, Deng J, Zeng H, Zhang Y, Lai G, Zhong X, Xie B. Causal effects of gut microbiome on HIV infection: a two-sample mendelian randomization analysis. BMC Infect Dis 2024; 24:280. [PMID: 38438963 PMCID: PMC10913272 DOI: 10.1186/s12879-024-09176-5] [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: 10/27/2023] [Accepted: 02/26/2024] [Indexed: 03/06/2024] Open
Abstract
BACKGROUND The causal association between gut microbiome and HIV infection remains to be elucidated. We conducted a two-sample mendelian randomization analysis to estimate the causality between gut microbiome and HIV infection. METHODS Publicly released genome-wide association studies summary data were collected to perform the mendelian analysis. The GWAS summary data of gut microbiome was retrieved from the MiBioGen consortium, which contains 18 340 samples from 24 cohorts. GWAS summary data of HIV infection was collected from the R5 release of FinnGen consortium, including 357 HIV infected cases and 218 435 controls. The SNPs were selected as instrumental variables according to our selection rules. And SNPs with a F-statistics less than ten were regarded as weak instrumental variables and excluded. Mendelian randomization analysis was conducted by five methods, including inverse variance weighted (IVW), MR-Egger, weighted median, weighted mode, and simple mode. The Cochran's Q test and MR-Egger intercept test were performed to identify heterogeneity and pleiotropy. Leave-one-out analysis were used to test the sensitivity of the results. RESULTS Fifteen gut microbiota taxa showed causal effects on HIV infection according to the MR methods. Four taxa were observed to increase the risk of HIV infection, including Ruminococcaceae (OR: 2.468[1.043, 5.842], P: 0.039), Ruminococcaceae UCG005 (OR: 2.051[1.048, 4.011], P: 0.036), Subdoligranulum (OR: 3.957[1.762, 8.887], P < 0.001) and Victivallis (OR: 1.605[1.012, 2.547], P=0.044). Erysipelotrichaceae was protective factor of HIV infection (OR: 0.278[0.106, 0.731], P < 0.001) and Methanobrevibacter was also found to be associated with reduced risk of HIV infection (OR: 0.509[0.265, 0.980], P=0.043). Horizontal pleiotropy was found for Fusicatenibacter (P<0.05) according to the MR-Egger regression intercept analysis. No heterogeneity was detected. CONCLUSION Our results demonstrate significant causal effects of gut microbiome on HIV infection. These findings facilitate future studies to develop better strategies for HIV prophylaxis through gut microbiome regulation. Further explorations are also warranted to dissect the mechanism of how gut microbiome affects HIV susceptibility.
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Affiliation(s)
- Kangjie Li
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Cong Zhang
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Jielian Deng
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Haijiao Zeng
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Yuan Zhang
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Guichuan Lai
- College of Public Health, Chongqing Medical University, Chongqing, China
| | - Xiaoni Zhong
- College of Public Health, Chongqing Medical University, Chongqing, China.
| | - Biao Xie
- College of Public Health, Chongqing Medical University, Chongqing, China.
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17
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Ramirez Bustamante CE, Agarwal N, Cox AR, Hartig SM, Lake JE, Balasubramanyam A. Adipose Tissue Dysfunction and Energy Balance Paradigms in People Living With HIV. Endocr Rev 2024; 45:190-209. [PMID: 37556371 PMCID: PMC10911955 DOI: 10.1210/endrev/bnad028] [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: 10/05/2022] [Revised: 07/09/2023] [Accepted: 08/07/2023] [Indexed: 08/11/2023]
Abstract
Over the past 4 decades, the clinical care of people living with HIV (PLWH) evolved from treatment of acute opportunistic infections to the management of chronic, noncommunicable comorbidities. Concurrently, our understanding of adipose tissue function matured to acknowledge its important endocrine contributions to energy balance. PLWH experience changes in the mass and composition of adipose tissue depots before and after initiating antiretroviral therapy, including regional loss (lipoatrophy), gain (lipohypertrophy), or mixed lipodystrophy. These conditions may coexist with generalized obesity in PLWH and reflect disturbances of energy balance regulation caused by HIV persistence and antiretroviral therapy drugs. Adipocyte hypertrophy characterizes visceral and subcutaneous adipose tissue depot expansion, as well as ectopic lipid deposition that occurs diffusely in the liver, skeletal muscle, and heart. PLWH with excess visceral adipose tissue exhibit adipokine dysregulation coupled with increased insulin resistance, heightening their risk for cardiovascular disease above that of the HIV-negative population. However, conventional therapies are ineffective for the management of cardiometabolic risk in this patient population. Although the knowledge of complex cardiometabolic comorbidities in PLWH continues to expand, significant knowledge gaps remain. Ongoing studies aimed at understanding interorgan communication and energy balance provide insights into metabolic observations in PLWH and reveal potential therapeutic targets. Our review focuses on current knowledge and recent advances in HIV-associated adipose tissue dysfunction, highlights emerging adipokine paradigms, and describes critical mechanistic and clinical insights.
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Affiliation(s)
- Claudia E Ramirez Bustamante
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Neeti Agarwal
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Aaron R Cox
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Sean M Hartig
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Jordan E Lake
- Division of Infectious Diseases, Department of Internal Medicine, McGovern Medical School at UTHealth, Houston, TX 77030, USA
| | - Ashok Balasubramanyam
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
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18
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Woottum M, Yan S, Sayettat S, Grinberg S, Cathelin D, Bekaddour N, Herbeuval JP, Benichou S. Macrophages: Key Cellular Players in HIV Infection and Pathogenesis. Viruses 2024; 16:288. [PMID: 38400063 PMCID: PMC10893316 DOI: 10.3390/v16020288] [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: 01/22/2024] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
Although cells of the myeloid lineages, including tissue macrophages and conventional dendritic cells, were rapidly recognized, in addition to CD4+ T lymphocytes, as target cells of HIV-1, their specific roles in the pathophysiology of infection were initially largely neglected. However, numerous studies performed over the past decade, both in vitro in cell culture systems and in vivo in monkey and humanized mouse animal models, led to growing evidence that macrophages play important direct and indirect roles as HIV-1 target cells and in pathogenesis. It has been recently proposed that macrophages are likely involved in all stages of HIV-1 pathogenesis, including virus transmission and dissemination, but above all, in viral persistence through the establishment, together with latently infected CD4+ T cells, of virus reservoirs in many host tissues, the major obstacle to virus eradication in people living with HIV. Infected macrophages are indeed found, very often as multinucleated giant cells expressing viral antigens, in almost all lymphoid and non-lymphoid tissues of HIV-1-infected patients, where they can probably persist for long period of time. In addition, macrophages also likely participate, directly as HIV-1 targets or indirectly as key regulators of innate immunity and inflammation, in the chronic inflammation and associated clinical disorders observed in people living with HIV, even in patients receiving effective antiretroviral therapy. The main objective of this review is therefore to summarize the recent findings, and also to revisit older data, regarding the critical functions of tissue macrophages in the pathophysiology of HIV-1 infection, both as major HIV-1-infected target cells likely found in almost all tissues, as well as regulators of innate immunity and inflammation during the different stages of HIV-1 pathogenesis.
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Affiliation(s)
- Marie Woottum
- Institut Cochin, Inserm U1016, CNRS UMR-8104, Université Paris Cité, 75014 Paris, France; (M.W.); (S.Y.); (S.S.)
| | - Sen Yan
- Institut Cochin, Inserm U1016, CNRS UMR-8104, Université Paris Cité, 75014 Paris, France; (M.W.); (S.Y.); (S.S.)
| | - Sophie Sayettat
- Institut Cochin, Inserm U1016, CNRS UMR-8104, Université Paris Cité, 75014 Paris, France; (M.W.); (S.Y.); (S.S.)
| | - Séverine Grinberg
- CNRS UMR-8601, Université Paris Cité, 75006 Paris, France; (S.G.); (D.C.); (N.B.); (J.-P.H.)
| | - Dominique Cathelin
- CNRS UMR-8601, Université Paris Cité, 75006 Paris, France; (S.G.); (D.C.); (N.B.); (J.-P.H.)
| | - Nassima Bekaddour
- CNRS UMR-8601, Université Paris Cité, 75006 Paris, France; (S.G.); (D.C.); (N.B.); (J.-P.H.)
| | - Jean-Philippe Herbeuval
- CNRS UMR-8601, Université Paris Cité, 75006 Paris, France; (S.G.); (D.C.); (N.B.); (J.-P.H.)
| | - Serge Benichou
- Institut Cochin, Inserm U1016, CNRS UMR-8104, Université Paris Cité, 75014 Paris, France; (M.W.); (S.Y.); (S.S.)
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19
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Rocafort M, Gootenberg DB, Luévano JM, Paer JM, Hayward MR, Bramante JT, Ghebremichael MS, Xu J, Rogers ZH, Munoz AR, Okello S, Kim JH, Sentongo R, Wagubi R, Lankowski A, Maruapula S, Zhao G, Handley SA, Mosepele M, Siedner MJ, Kwon DS. HIV-associated gut microbial alterations are dependent on host and geographic context. Nat Commun 2024; 15:1055. [PMID: 38316748 PMCID: PMC10844288 DOI: 10.1038/s41467-023-44566-4] [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: 02/03/2021] [Accepted: 12/19/2023] [Indexed: 02/07/2024] Open
Abstract
HIV-associated changes in intestinal microbiota are believed to be important drivers of disease progression. However, the majority of studies have focused on populations in high-income countries rather than in developing regions where HIV burden is greatest. To better understand the impact of HIV on fecal microbiota globally, we compare the fecal microbial community of individuals in the U.S., Uganda, and Botswana. We identify significant bacterial taxa alterations with both treated and untreated HIV infection with a high degree of uniqueness in each cohort. HIV-associated taxa alterations are also significantly different between populations that report men who have sex with men (MSM) behavior and non-MSM populations. Additionally, while we find that HIV infection is consistently associated with higher soluble markers of immune activation, most specific bacterial taxa associated with these markers in each region are not shared and none are shared across all three geographic locations in our study. Our findings demonstrate that HIV-associated changes in fecal microbiota are overall distinct among geographical locations and sexual behavior groups, although a small number of taxa shared between pairs of geographic locations warrant further investigation, highlighting the importance of considering host context to fully assess the impact of the gut microbiome on human health and disease.
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Affiliation(s)
- Muntsa Rocafort
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - David B Gootenberg
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
- Harvard Medical School, Boston, MA, 02114, USA
| | - Jesús M Luévano
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
- Harvard Medical School, Boston, MA, 02114, USA
| | - Jeffrey M Paer
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | | | | | | | - Jiawu Xu
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Zoe H Rogers
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | | | - Samson Okello
- Department of Medicine, Mbarara University of Science and Technology, 1956, Mbarara, Uganda
| | - June-Ho Kim
- Harvard Medical School, Boston, MA, 02114, USA
| | - Ruth Sentongo
- Department of Medicine, Mbarara University of Science and Technology, 1956, Mbarara, Uganda
| | - Robert Wagubi
- Department of Medicine, Mbarara University of Science and Technology, 1956, Mbarara, Uganda
| | - Alex Lankowski
- Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Segametsi Maruapula
- Department of Family & Consumer Sciences, University of Botswana, 0022, Gaborone, Botswana
| | - Guoyan Zhao
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Scott A Handley
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Mosepele Mosepele
- Faculty of Medicine, University of Botswana, 0022, Gaborone, Botswana
| | - Mark J Siedner
- Harvard Medical School, Boston, MA, 02114, USA
- Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, MA, 02114, USA
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Douglas S Kwon
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA.
- Harvard Medical School, Boston, MA, 02114, USA.
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, 02114, USA.
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20
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Wang Q, Fan X, Wu S, Su X. PM-CNN: microbiome status recognition and disease detection model based on phylogeny and multi-path neural network. BIOINFORMATICS ADVANCES 2024; 4:vbae013. [PMID: 38371919 PMCID: PMC10873578 DOI: 10.1093/bioadv/vbae013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 02/15/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
Motivation The human microbiome, found throughout various body parts, plays a crucial role in health dynamics and disease development. Recent research has highlighted microbiome disparities between patients with different diseases and healthy individuals, suggesting the microbiome's potential in recognizing health states. Traditionally, microbiome-based status classification relies on pre-trained machine learning (ML) models. However, most ML methods overlook microbial relationships, limiting model performance. Results To address this gap, we propose PM-CNN (Phylogenetic Multi-path Convolutional Neural Network), a novel phylogeny-based neural network model for multi-status classification and disease detection using microbiome data. PM-CNN organizes microbes based on their phylogenetic relationships and extracts features using a multi-path convolutional neural network. An ensemble learning method then fuses these features to make accurate classification decisions. We applied PM-CNN to human microbiome data for status and disease detection, demonstrating its significant superiority over existing ML models. These results provide a robust foundation for microbiome-based state recognition and disease prediction in future research and applications. Availability and implementation PM-CNN software is available at https://github.com/qdu-bioinfo/PM_CNN.
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Affiliation(s)
- Qiangqiang Wang
- College of Computer Science and Technology, Qingdao University, Qingdao 266071, China
| | - Xiaoqian Fan
- Department of Gastroenterology, Shouguang Hospital of Traditional Chinese Medicine, Weifang 262700, China
| | - Shunyao Wu
- College of Computer Science and Technology, Qingdao University, Qingdao 266071, China
| | - Xiaoquan Su
- College of Computer Science and Technology, Qingdao University, Qingdao 266071, China
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21
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Antoine D, Chupikova I, Jalodia R, Singh PK, Roy S. Chronic Morphine Treatment and Antiretroviral Therapy Exacerbate HIV-Distal Sensory Peripheral Neuropathy and Induce Distinct Microbial Alterations in the HIV Tg26 Mouse Model. Int J Mol Sci 2024; 25:1569. [PMID: 38338849 PMCID: PMC10855564 DOI: 10.3390/ijms25031569] [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: 12/05/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 02/12/2024] Open
Abstract
Distal Sensory Peripheral Neuropathy (DSP) is a common complication in HIV-infected individuals, leading to chronic pain and reduced quality of life. Even with antiretroviral therapy (ART), DSP persists, often prompting the use of opioid analgesics, which can paradoxically worsen symptoms through opioid-induced microbial dysbiosis. This study employs the HIV Tg26 mouse model to investigate HIV-DSP development and assess gut microbiome changes in response to chronic morphine treatment and ART using 16S rRNA sequencing. Our results reveal that chronic morphine and ART exacerbate HIV-DSP in Tg26 mice, primarily through mechanical pain pathways. As the gut microbiome may be involved in chronic pain persistence, microbiome analysis indicated distinct bacterial community changes between WT and Tg26 mice as well as morphine- and ART-induced microbial changes in the Tg26 mice. This study reveals the Tg26 mouse model to be a relevant system that can help elucidate the pathogenic mechanisms of the opioid- and ART-induced exacerbation of HIV-associated pain. Our results shed light on the intricate interplay between HIV infection, ART, opioid use, and the gut microbiome in chronic pain development. They hold implications for understanding the mechanisms underlying HIV-associated pain and microbial dysbiosis, with potential for future research focused on prevention and treatment strategies.
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Affiliation(s)
- Danielle Antoine
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Department of Neuroscience, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Irina Chupikova
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Richa Jalodia
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Praveen Kumar Singh
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Sabita Roy
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
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22
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Liang Y, Liu D, Li Y, Hou H, Li P, Ma X, Li P, Zhan J, Wang P. Maternal polysorbate 80 intake promotes offspring metabolic syndrome through vertical microbial transmission in mice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 909:168624. [PMID: 37979881 DOI: 10.1016/j.scitotenv.2023.168624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/09/2023] [Accepted: 11/14/2023] [Indexed: 11/20/2023]
Abstract
Polysorbate 80 (P80) is an emulsifier extensively produced, consumed and discharged into the environment, consequently making human exposure inevitable. Despite evidence suggesting that P80 intake causes metabolic syndrome (MS) in mammals via microbial perturbation, limited data exist on its transgenerational impacts on offspring. In this study, we found that maternal P80 treatment impaired intestinal barrier integrity, leading to metabolic endotoxemia, low-grade inflammation and MS-related symptoms in C57BL/6J female offspring. Further analysis of the gut microbiome revealed MS-related changes in the offspring of P80-treated dams. Fecal microbiota transplantation experiment confirmed the crucial role of the altered microbiome in offspring in the transgenerational impacts of P80. Furthermore, we found that the P80-induced microbial alterations were directly transmitted from P80-treated mothers to their offspring and that interrupting vertical microbial transmission through cesarean section and foster nursing blocked the transgenerational impacts of P80 on the offspring microbiome and metabolic health. Moreover, maternal pectin supplementation also effectively mitigated P80-induced microbial alterations and MS-associated phenotypes in offspring. Together, our results indicated that maternal P80 intake could impair offspring metabolic health through the mother-to-offspring transmission of the microbiome, and maternal pectin supplementation might be a promising strategy for reducing the adverse effects of P80.
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Affiliation(s)
- Yiran Liang
- College of Chemistry and Biological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Beijing 100083, People's Republic of China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China
| | - Donghui Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China
| | - Yan Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China
| | - Haonan Hou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China
| | - Pengxi Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China
| | - Xiaoran Ma
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China
| | - Peize Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China
| | - Jing Zhan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China
| | - Peng Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science, China Agricultural University, No. 2, West Yuanmingyuan Road, Beijing 100193, People's Republic of China.
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23
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Hishiya N, Uno K, Nakano A, Konishi M, Higashi S, Eguchi S, Ariyoshi T, Matsumoto A, Oka K, Takahashi M, Suzuki Y, Horiuchi S, Hirai N, Ogawa Y, Ogawa T, Nakano R, Mikasa K, Kasahara K, Yano H. Association between the gut microbiome and organic acid profiles in a Japanese population with HIV infection. J Infect Chemother 2024; 30:58-66. [PMID: 37708940 DOI: 10.1016/j.jiac.2023.09.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/04/2023] [Accepted: 09/12/2023] [Indexed: 09/16/2023]
Abstract
INTRODUCTION An increased incidence of metabolic syndrome has been observed in human immunodeficiency virus (HIV)-infected individuals. In contrast, gut dysbiosis is involved in various pathogeneses, including vascular endothelial disorders. Organic acids, including short-chain fatty acids (SCFAs), are essential for maintaining gut homeostasis. Therefore, this study aimed to explore the gut microbiome profile and organic acids in a Japanese population infected with HIV. METHODS Forty-nine patients with HIV infection on combination antiretroviral therapy (cART) were enrolled and divided into the high and low CD4 groups based on a CD4 cutoff of 350 cells/μL. Stool samples were analyzed by 16S ribosomal RNA next-generation sequencing and high-performance liquid chromatography. The association between the gut microbiome, including bacterial taxa and organic acids, was statistically analyzed. RESULTS The fecal microbial community composition was significantly different between HIV patients with CD4 counts above and below 350 cells/μL. The relative abundance of Roseburia, Prevotella, Prevotella_9, and [Clostridium]_methylpentosum_group were significantly enriched in the high CD4 group. Fecal succinic acid tended to be more abundant in the low CD4 group, and acetic, propionic, and butyric acids tended to be more abundant in the high CD4 group. Roseburia was positively correlated with butyric acid levels. Prevotella_9 and Prevotella were negatively correlated with succinic acid levels and positively correlated with acetic and propionic acid levels. CONCLUSIONS This study showed intestinal dysbiosis bordering on a CD4 count of 350 in patients with HIV infection undergoing cART. These findings might help in understanding intestinal damage and systemic inflammation in HIV infection.
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Affiliation(s)
- Naokuni Hishiya
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan; Department of Infectious Diseases, Nara City Hospital, 1-50-1 Higashikidera-cho, Nara-Shi, Nara, 630-8305, Japan
| | - Kenji Uno
- Department of Infectious Diseases, Minami-Nara General Medical Center, 8-1 Fukugami, Oyodo-Cho, Yoshino-Gun, Nara, 638-8551, Japan
| | - Akiyo Nakano
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan.
| | - Mitsuru Konishi
- Center for Health Control, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan; Center for Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
| | - Seiya Higashi
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., 2-22-9 Toro-Cho, Kita-Ku, Saitama-Shi, Saitama, 331-0804, Japan
| | - Shuhei Eguchi
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., 2-22-9 Toro-Cho, Kita-Ku, Saitama-Shi, Saitama, 331-0804, Japan
| | - Tadashi Ariyoshi
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., 2-22-9 Toro-Cho, Kita-Ku, Saitama-Shi, Saitama, 331-0804, Japan
| | - Asami Matsumoto
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., 2-22-9 Toro-Cho, Kita-Ku, Saitama-Shi, Saitama, 331-0804, Japan
| | - Kentaro Oka
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., 2-22-9 Toro-Cho, Kita-Ku, Saitama-Shi, Saitama, 331-0804, Japan
| | - Motomichi Takahashi
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., 2-22-9 Toro-Cho, Kita-Ku, Saitama-Shi, Saitama, 331-0804, Japan
| | - Yuki Suzuki
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
| | - Saori Horiuchi
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
| | - Nobuyasu Hirai
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan; Department of Gastroenterology, Seichokai Fuchu Hospital, 1-10-17 Hiko-Cho, Izumi, Osaka, 594-0076, Japan
| | - Yoshihiko Ogawa
- Department of Infectious Diseases, Sakai City Medical Center, 1-1-1 Ebaraji-Cho, Nishi-Ku, Sakai, Osaka, 593-8304, Japan
| | - Taku Ogawa
- Department of Microbiology and Infection Control, Osaka Medical and Pharmaceutical University, 2-7 Daigaku-machi, Takatsuki, Osaka, 569-8686, Japan
| | - Ryuichi Nakano
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
| | - Keiichi Mikasa
- Center for Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan; Department of Internal Medicine, Nara Koseikai Hospital, 769-3 Shigi-cho, Yamatokoriyama, Nara, 639-1039, Japan
| | - Kei Kasahara
- Center for Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
| | - Hisakazu Yano
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
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24
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Smith WP. Negative Lifestyle Factors Specific to Aging Persons Living with HIV and Multimorbidity. J Int Assoc Provid AIDS Care 2024; 23:23259582241245228. [PMID: 39051608 PMCID: PMC11273731 DOI: 10.1177/23259582241245228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 02/28/2024] [Accepted: 03/18/2024] [Indexed: 07/27/2024] Open
Abstract
The primary goal of medical care during the pre-antiretroviral therapy (ART) era was to keep persons living with human immunodeficiency virus (HIV) alive, whereas since the advent of ART, the treatment objective has shifted to decreasing viral loads and infectiousness while increasing CD4+ T-cell counts and longevity. The health crisis, however, is in preventing and managing multimorbidity (ie, type 2 diabetes), which develops at a more accelerated or accentuated pace among aging persons living with HIV. Relative to the general population and age-matched uninfected adults, it may be more difficult for aging HIV-positive persons who also suffer from multimorbidity to improve negative lifestyle factors to the extent that their behaviors could support the prevention and management of diseases. With recommendations and a viable solution, this article explores the impact of negative lifestyle factors (ie, poor mental health, suboptimal nutrition, physical inactivity, alcohol use) on the health of aging individuals living with HIV.
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25
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Martínez-Sanz J, Talavera-Rodríguez A, Díaz-Álvarez J, Rosas Cancio-Suárez M, Rodríguez JM, Alba C, Montes ML, Martín-Mateos R, Burgos-Santamaría D, Moreno S, Serrano-Villar S, Sánchez-Conde M. A gut microbiome signature for HIV and metabolic dysfunction-associated steatotic liver disease. Front Immunol 2023; 14:1297378. [PMID: 38162648 PMCID: PMC10755913 DOI: 10.3389/fimmu.2023.1297378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 11/24/2023] [Indexed: 01/03/2024] Open
Abstract
Introduction Metabolic dysfunction-associated steatotic liver disease (MASLD), has emerged as an increasingly recognized problem among people living with HIV (PLWH). The gut-liver axis is considered to be strongly implicated in the pathogenesis of MASLD. We aimed to characterize the gut microbiota composition in PLWH and MASLD and compare it with that of two control groups: PLWH without MASLD and individuals with MASLD without HIV infection. Methods We collected clinical data and stool samples from participants. Bacterial 16S rRNA genes were amplified, sequenced, and clustered into operational taxonomic unit. Alpha diversity was studied by Shannon and Simpson indexes. To study how different the gut microbiota composition is between the different groups, beta diversity estimation was evaluated by principal coordinate analysis (PCoA) using Bray-Curtis dissimilarity. To further analyze differences in microbiome composition we performed a linear discriminant analysis (LDA) effect size (LEfSe). Results We included 30 HIV+MASLD+, 30 HIV+MASLD- and 20 HIV-MASLD+ participants. Major butyrate producers, including Faecalibacterium, Ruminococcus, and Lachnospira dominated the microbiota in all three groups. Shannon's and Simpson's diversity metrics were higher among MASLD+ individuals (Kruskal-Wallis p = 0.047). Beta diversity analysis showed distinct clustering in MASLD-, with MASLD+ participants overlapping regardless of HIV status (ADONIS significance <0.001). MASLD was associated with increased homogeneity across individuals, in contrast to that observed in the HIV+NAFDL- group, in which the dispersion was higher (Permanova test, p value <0.001; ANOSIM, p value <0.001). MASLD but not HIV determined a different microbiota structure (HIV+MASLD- vs. HIV+MASLD+, q-value = 0.002; HIV-MASLD+ vs. HIV+MASLD+, q-value = 0.930; and HIV-MASLD+ vs. HIV+MASLD-, q-value < 0.001). The most abundant genera in MASLD- were Prevotella, Bacteroides, Dialister, Acidaminococcos, Alloprevotella, and Catenibacterium. In contrast, the most enriched genera in MASLD+ were Ruminococcus, Streptococcus, Holdemanella, Blautia, and Lactobacillus. Conclusions We found a microbiome signature linked to MASLD, which had a greater influence on the overall structure of the gut microbiota than HIV status alone.
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Affiliation(s)
- Javier Martínez-Sanz
- Department of Infectious Diseases, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Alba Talavera-Rodríguez
- Department of Infectious Diseases, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
- Universidad Complutense de Madrid (UCM), Madrid, Spain
| | - Jorge Díaz-Álvarez
- Department of Infectious Diseases, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Marta Rosas Cancio-Suárez
- Department of Infectious Diseases, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Juan Miguel Rodríguez
- Department of Nutrition and Food Science, Complutense University of Madrid, Madrid, Spain
| | - Claudio Alba
- Department of Nutrition and Food Science, Complutense University of Madrid, Madrid, Spain
| | - María Luisa Montes
- HIV Unit - Internal Medicine Service, Hospital Universitario La Paz, Madrid, Spain
| | - Rosa Martín-Mateos
- Department of Gastroenterology and Hepatology, Metabolic Liver Disease Clinic, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Diego Burgos-Santamaría
- Department of Gastroenterology and Hepatology, Metabolic Liver Disease Clinic, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Santiago Moreno
- Department of Infectious Diseases, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Sergio Serrano-Villar
- Department of Infectious Diseases, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Matilde Sánchez-Conde
- Department of Infectious Diseases, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
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26
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Li S, Su B, Wu H, He Q, Zhang T. Integrated analysis of gut and oral microbiome in men who have sex with men with HIV Infection. Microbiol Spectr 2023; 11:e0106423. [PMID: 37850756 PMCID: PMC10714972 DOI: 10.1128/spectrum.01064-23] [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: 03/10/2023] [Accepted: 09/11/2023] [Indexed: 10/19/2023] Open
Abstract
IMPORTANCE Our longitudinal integrated study has shown the marked alterations in the gut and oral microbiome resulting from acute and chronic HIV infection and from antiretroviral therapy. Importantly, the relationship between oral and gut microbiomes in people living with acute and chronic HIV infection and "healthy" controls has also been explored. These findings might contribute to a better understanding of the interactions between the oral and gut microbiomes and its potential role in HIV disease progression.
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Affiliation(s)
- Shuang Li
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Bin Su
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Hao Wu
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Qiushui He
- Institute of Biomedicine, Research Center for Infections and Immunity, University of Turku, Turku, Finland
- Department of Medical Microbiology, Capital Medical University, Beijing, China
| | - Tong Zhang
- Beijing Key Laboratory for HIV/AIDS Research, Clinical and Research Center for Infectious Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
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27
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Han G, Vaishnava S. Microbial underdogs: exploring the significance of low-abundance commensals in host-microbe interactions. Exp Mol Med 2023; 55:2498-2507. [PMID: 38036729 PMCID: PMC10767002 DOI: 10.1038/s12276-023-01120-y] [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: 06/29/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 12/02/2023] Open
Abstract
Our understanding of host-microbe interactions has broadened through numerous studies over the past decades. However, most investigations primarily focus on the dominant members within ecosystems while neglecting low-abundance microorganisms. Moreover, laboratory animals usually do not have microorganisms beyond bacteria. The phenotypes observed in laboratory animals, including the immune system, have displayed notable discrepancies when compared to real-world observations due to the diverse microbial community in natural environments. Interestingly, recent studies have unveiled the beneficial roles played by low-abundance microorganisms. Despite their rarity, these keystone taxa play a pivotal role in shaping the microbial composition and fulfilling specific functions in the host. Consequently, understanding low-abundance microorganisms has become imperative to unravel true commensalism. In this review, we provide a comprehensive overview of important findings on how low-abundance commensal microorganisms, including low-abundance bacteria, fungi, archaea, and protozoa, interact with the host and contribute to host phenotypes, with emphasis on the immune system. Indeed, low-abundance microorganisms play vital roles in the development of the host's immune system, influence disease status, and play a key role in shaping microbial communities in specific niches. Understanding the roles of low-abundance microbes is important and will lead to a better understanding of the true host-microbe relationships.
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Affiliation(s)
- Geongoo Han
- Molecular Microbiology and Immunology, Brown University, Providence, RI, USA.
| | - Shipra Vaishnava
- Molecular Microbiology and Immunology, Brown University, Providence, RI, USA.
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28
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Kalayci FNC, Ozen S. Possible Role of Dysbiosis of the Gut Microbiome in SLE. Curr Rheumatol Rep 2023; 25:247-258. [PMID: 37737528 DOI: 10.1007/s11926-023-01115-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2023] [Indexed: 09/23/2023]
Abstract
PURPOSE OF REVIEW The resident gut microbiota serves as a double-edged sword that aids the host in multiple ways to preserve a healthy equilibrium and serve as early companions and boosters for the gradual evolution of our immune defensive layers; nevertheless, the perturbation of the symbiotic resident intestinal communities has a profound impact on autoimmunity induction, particularly in systemic lupus erythematosus (SLE). Herein, we seek to critically evaluate the microbiome research in SLE with a focus on intestinal dysbiosis. RECENT FINDINGS SLE is a complex and heterogeneous disorder with self-attack due to loss of tolerance, and there is aberrant excessive immune system activation. There is mounting evidence suggesting that intestinal flora disturbances may accelerate the formation and progression of SLE, presumably through a variety of mechanisms, including intestinal barrier dysfunction and leaky gut, molecular mimicry, bystander activation, epitope spreading, gender bias, and biofilms. Gut microbiome plays a critical role in SLE pathogenesis, and additional studies are warranted to properly define the impact of gut microbiome in SLE, which can eventually lead to new and potentially safer management approaches for this debilitating disease.
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Affiliation(s)
| | - Seza Ozen
- Department of Paediatric Rheumatology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
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29
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Sereti I, Verburgh ML, Gifford J, Lo A, Boyd A, Verheij E, Verhoeven A, Wit FWNM, Schim van der Loeff MF, Giera M, Kootstra NA, Reiss P, Vujkovic-Cvijin I. Impaired gut microbiota-mediated short-chain fatty acid production precedes morbidity and mortality in people with HIV. Cell Rep 2023; 42:113336. [PMID: 37918403 PMCID: PMC10872975 DOI: 10.1016/j.celrep.2023.113336] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/28/2023] [Accepted: 10/10/2023] [Indexed: 11/04/2023] Open
Abstract
Antiretroviral therapy (ART) has dramatically lengthened lifespan among people with HIV (PWH), but this population experiences heightened rates of inflammation-related comorbidities. HIV-associated inflammation is linked with an altered microbiome; whether such alterations precede inflammation-related comorbidities or occur as their consequence remains unknown. We find that ART-treated PWH exhibit depletion of gut-resident bacteria that produce short-chain fatty acids (SCFAs)-crucial microbial metabolites with anti-inflammatory properties. Prior reports establish that fecal SCFA concentrations are not depleted in PWH. We find that gut-microbiota-mediated SCFA production capacity is better reflected in serum than in feces and that PWH exhibit reduced serum SCFA, which associates with inflammatory markers. Leveraging stool and serum samples collected prior to comorbidity onset, we find that HIV-specific microbiome alterations precede morbidity and mortality in ART-treated PWH. Among these microbiome alterations, reduced microbiome-mediated conversion of lactate to propionate precedes mortality in PWH. Thus, gut microbial fiber/lactate conversion to SCFAs may modulate HIV-associated comorbidity risk.
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Affiliation(s)
- Irini Sereti
- HIV Pathogenesis Section, Laboratory of Immunoregulation, NIAID/NIH, Rockville, MD, USA; Amsterdam Institute for Global Health and Development, Amsterdam, the Netherlands
| | - Myrthe L Verburgh
- Amsterdam University Medical Centers, University of Amsterdam, Infectious Diseases, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, the Netherlands; Amsterdam Institute for Global Health and Development, Amsterdam, the Netherlands
| | - Jacob Gifford
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Karsh Division of Gastroenterology & Hepatology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA; F. Widjaja Inflammatory Bowel Disease Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Alice Lo
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Karsh Division of Gastroenterology & Hepatology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA; F. Widjaja Inflammatory Bowel Disease Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Anders Boyd
- Amsterdam University Medical Centers, University of Amsterdam, Infectious Diseases, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, the Netherlands; HIV Monitoring Foundation, Amsterdam, the Netherlands; Public Health Service of Amsterdam, Infectious Diseases, Amsterdam, the Netherlands
| | - Eveline Verheij
- Amsterdam University Medical Centers, University of Amsterdam, Infectious Diseases, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, the Netherlands; Amsterdam Institute for Global Health and Development, Amsterdam, the Netherlands
| | - Aswin Verhoeven
- Leiden University Medical Center, Center for Proteomics & Metabolomics, Leiden, the Netherlands
| | - Ferdinand W N M Wit
- Amsterdam University Medical Centers, University of Amsterdam, Infectious Diseases, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, the Netherlands; HIV Monitoring Foundation, Amsterdam, the Netherlands
| | - Maarten F Schim van der Loeff
- Amsterdam University Medical Centers, University of Amsterdam, Infectious Diseases, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, the Netherlands; Public Health Service of Amsterdam, Infectious Diseases, Amsterdam, the Netherlands
| | - Martin Giera
- Leiden University Medical Center, Center for Proteomics & Metabolomics, Leiden, the Netherlands
| | - Neeltje A Kootstra
- Amsterdam Institute for Infection and Immunity, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Experimental Immunology, Amsterdam, the Netherlands
| | - Peter Reiss
- Amsterdam University Medical Centers, University of Amsterdam, Infectious Diseases, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Amsterdam, the Netherlands; Amsterdam Institute for Global Health and Development, Amsterdam, the Netherlands; Amsterdam University Medical Centers, University of Amsterdam, Department of Global Health, Meibergdreef 9, Amsterdam, the Netherlands
| | - Ivan Vujkovic-Cvijin
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Karsh Division of Gastroenterology & Hepatology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA; F. Widjaja Inflammatory Bowel Disease Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
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Munjoma PT, Chandiwana P, Wyss J, Mazhandu AJ, Jordi SBU, Gutsire R, Katsidzira L, Yilmaz B, Misselwitz B, Duri K. Immune activation and inflammation in lactating women on combination antiretroviral therapy: role of gut dysfunction and gut microbiota imbalance. Front Immunol 2023; 14:1280262. [PMID: 38045684 PMCID: PMC10693333 DOI: 10.3389/fimmu.2023.1280262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 10/17/2023] [Indexed: 12/05/2023] Open
Abstract
Introduction Combination antiretroviral therapy (cART) effectively controls HIV; however, chronic low-level viremia and gut microbiota dysbiosis remain significant drivers of gut and systemic inflammation. In this study, we explored the relationship between gut microbiota composition, intestinal inflammation, microbial translocation, and systemic inflammation in women on cART in Sub-Saharan Africa. Methods We conducted a study in HIV-infected and HIV-uninfected lactating women followed up at 6 weeks and 6 months postpartum in Harare, Zimbabwe. We used 16S ribosomal Ribonucleic Acid (rRNA) sequencing and MesoScale Discovery V-Plex assays to examine the gut microbiome and to quantify plasma inflammatory biomarkers, respectively. In addition, we measured fecal calprotectin, plasma lipopolysaccharide-binding protein (LBP), and soluble cluster of differentiation 14 (sCD14) by enzyme-linked immunosorbent assay to assess gut inflammation, microbial translocation, and monocyte/macrophage activation. Results A group of 77 lactating women were studied, of which 35% were HIV-infected. Fecal calprotectin levels were similar by HIV status at both follow-up time points. In the HIV-infected group at 6 weeks postpartum, fecal calprotectin was elevated: median (interquartile range) [158.1 µg/g (75.3-230.2)] in women who had CD4+ T-lymphocyte counts <350 cells/µL compared with those with ≥350 cells/µL [21.1 µg/g (0-58.4)], p = 0.032. Plasma sCD14 levels were significantly higher in the HIV-infected group at both 6 weeks and 6 months postpartum, p < 0.001. Plasma LBP levels were similar, but higher levels were observed in HIV-infected women with elevated fecal calprotectin. We found significant correlations between fecal calprotectin, LBP, and sCD14 with proinflammatory cytokines. Gut microbial alpha diversity was not affected by HIV status and was not affected by use of antibiotic prophylaxis. HIV significantly affected microbial beta diversity, and significant differences in microbial composition were noted. The genera Slackia and Collinsella were relatively more abundant in the HIV-infected group, whereas a lower relative abundance of Clostriduim sensu_stricto_1 was observed. Our study also found correlations between gut microbial taxa abundance and systemic inflammatory biomarkers. Discussion and conclusion HIV-infected lactating women had increased immune activation and increased microbial translocation associated with increased gut inflammation. We identified correlations between the gut inflammation and microbial composition, microbial translocation, and systemic inflammation. The interplay of these parameters might affect the health of this vulnerable population.
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Affiliation(s)
- Privilege Tendai Munjoma
- Immunology Unit, Department of Laboratory Diagnostic and Investigative Sciences, University of Zimbabwe Faculty of Medicine and Health Sciences (UZ-FMHS), Harare, Zimbabwe
| | - Panashe Chandiwana
- Immunology Unit, Department of Laboratory Diagnostic and Investigative Sciences, University of Zimbabwe Faculty of Medicine and Health Sciences (UZ-FMHS), Harare, Zimbabwe
| | - Jacqueline Wyss
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for Biomedical Research, Maurice Müller Laboratories, University of Bern, Bern, Switzerland
| | - Arthur John Mazhandu
- Immunology Unit, Department of Laboratory Diagnostic and Investigative Sciences, University of Zimbabwe Faculty of Medicine and Health Sciences (UZ-FMHS), Harare, Zimbabwe
| | - Sebastian Bruno Ulrich Jordi
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for Biomedical Research, Maurice Müller Laboratories, University of Bern, Bern, Switzerland
| | - Rutendo Gutsire
- Immunology Unit, Department of Laboratory Diagnostic and Investigative Sciences, University of Zimbabwe Faculty of Medicine and Health Sciences (UZ-FMHS), Harare, Zimbabwe
| | - Leolin Katsidzira
- Department of Internal Medicine, University of Zimbabwe Faculty of Medicine and Health Sciences (UZ-FMHS), Harare, Zimbabwe
| | - Bahtiyar Yilmaz
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for Biomedical Research, Maurice Müller Laboratories, University of Bern, Bern, Switzerland
| | - Benjamin Misselwitz
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for Biomedical Research, Maurice Müller Laboratories, University of Bern, Bern, Switzerland
| | - Kerina Duri
- Immunology Unit, Department of Laboratory Diagnostic and Investigative Sciences, University of Zimbabwe Faculty of Medicine and Health Sciences (UZ-FMHS), Harare, Zimbabwe
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Oda N, Sugihara K, Uebanso T, Ohminami H, Ohnishi K, Masuda M, Yamanaka-Okumura H, Taketani Y. Dietary phosphate disturbs of gut microbiome in mice. J Clin Biochem Nutr 2023; 73:221-227. [PMID: 37970557 PMCID: PMC10636580 DOI: 10.3164/jcbn.23-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 02/25/2023] [Indexed: 11/17/2023] Open
Abstract
Disorder of phosphate metabolism is a common pathological condition in chronic kidney disease patients. Excessive intake of dietary phosphate deteriorates chronic kidney disease and various complications including cardiovascular and infectious diseases. Recent reports have demonstrated that gut microbiome disturbance is associated with both the etiology and progression of chronic kidney disease. However, the relationship between dietary phosphate and gut microbiome remains unknown. Here, we examined the effects of excessive intake of phosphate on gut microbiome. Five-week-old male C57BL/6J mice were fed either control diet or high phosphate diet for eight weeks. Analysis of the gut microbiota was carried out using MiSeq next generation sequencer, and short-chain fatty acids were determined with GC-MS. In analysis of gut microbiota, significantly increased in Erysipelotrichaceae and decreased in Ruminococcaceae were observed in high phosphate diet group. Furthermore, high phosphate diet induced reduction of microbial diversity and decreased mRNA levels of colonic tight junction markers. These results suggest that the excessive intake of dietary phosphate disturbs gut microbiota and affects intestinal barrier function.
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Affiliation(s)
- Naoko Oda
- Department of Clinical Nutrition and Food Management, Institute of Biochemical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Kohei Sugihara
- Department of Clinical Nutrition and Food Management, Institute of Biochemical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Takashi Uebanso
- Department of Preventive Environment and Nutrition, Institute of Biochemical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Hirokazu Ohminami
- Department of Clinical Nutrition and Food Management, Institute of Biochemical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Kohta Ohnishi
- Department of Clinical Nutrition and Food Management, Institute of Biochemical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Masashi Masuda
- Department of Clinical Nutrition and Food Management, Institute of Biochemical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Hisami Yamanaka-Okumura
- Department of Clinical Nutrition and Food Management, Institute of Biochemical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Yutaka Taketani
- Department of Clinical Nutrition and Food Management, Institute of Biochemical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
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Pan Z, Wu N, Jin C. Intestinal Microbiota Dysbiosis Promotes Mucosal Barrier Damage and Immune Injury in HIV-Infected Patients. THE CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY = JOURNAL CANADIEN DES MALADIES INFECTIEUSES ET DE LA MICROBIOLOGIE MEDICALE 2023; 2023:3080969. [PMID: 37927531 PMCID: PMC10625490 DOI: 10.1155/2023/3080969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/08/2023] [Accepted: 10/12/2023] [Indexed: 11/07/2023]
Abstract
The intestinal microbiota is an "invisible organ" in the human body, with diverse components and complex interactions. Homeostasis of the intestinal microbiota plays a pivotal role in maintaining the normal physiological process and regulating immune homeostasis. By reviewing more than one hundred related studies concerning HIV infection and intestinal microbiota from 2011 to 2023, we found that human immunodeficiency virus (HIV) infection can induce intestinal microbiota dysbiosis, which not only worsens clinical symptoms but also promotes the occurrence of post-sequelae symptoms and comorbidities. In the early stage of HIV infection, the intestinal mucosal barrier is damaged and a persistent inflammatory response is induced. Mucosal barrier damage and immune injury play a pivotal role in promoting the post-sequelae symptoms caused by HIV infection. This review summarizes the relationship between dysbiosis of the intestinal microbiota and mucosal barrier damage during HIV infection and discusses the potential mechanisms of intestinal barrier damage induced by intestinal microbiota dysbiosis and inflammation. Exploring these molecular mechanisms might provide new ideas to improve the efficacy of HIV treatment and reduce the incidence of post-sequelae symptoms.
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Affiliation(s)
- Zhaoyi Pan
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, China
| | - Nanping Wu
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, China
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Changzhong Jin
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, China
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Feng J, Yang K, Liu X, Song M, Zhan P, Zhang M, Chen J, Liu J. Machine learning: a powerful tool for identifying key microbial agents associated with specific cancer types. PeerJ 2023; 11:e16304. [PMID: 37901464 PMCID: PMC10601900 DOI: 10.7717/peerj.16304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 09/26/2023] [Indexed: 10/31/2023] Open
Abstract
Machine learning (ML) includes a broad class of computer programs that improve with experience and shows unique strengths in performing tasks such as clustering, classification and regression. Over the past decade, microbial communities have been implicated in influencing the onset, progression, metastasis, and therapeutic response of multiple cancers. Host-microbe interaction may be a physiological pathway contributing to cancer development. With the accumulation of a large number of high-throughput data, ML has been successfully applied to the study of human cancer microbiomics in an attempt to reveal the complex mechanism behind cancer. In this review, we begin with a brief overview of the data sources included in cancer microbiomics studies. Then, the characteristics of the ML algorithm are briefly introduced. Secondly, the application progress of ML in cancer microbiomics is also reviewed. Finally, we highlight the challenges and future prospects facing ML in cancer microbiomics. On this basis, we conclude that the development of cancer microbiomics can not be achieved without ML, and that ML can be used to develop tumor-targeting microbial therapies, ultimately contributing to personalized and precision medicine.
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Affiliation(s)
- Jia Feng
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, Sichuan, China
| | - Kailan Yang
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, Sichuan, China
| | - Xuexue Liu
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, Sichuan, China
| | - Min Song
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, Sichuan, China
| | - Ping Zhan
- Department of Obstetrics, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Mi Zhang
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, Sichuan, China
| | - Jinsong Chen
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, Sichuan, China
| | - Jinbo Liu
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Sichuan Province Engineering Technology Research Center of Molecular Diagnosis of Clinical Diseases, Molecular Diagnosis of Clinical Diseases Key Laboratory of Luzhou, Sichuan, China
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Liu S, Kuang X, Song X, Li H, Shao X, Gao T, Guo X, Li S, Liu R, Li K, Li D. Effects of lipid extract from blue mussel (Mytilus edulis) on gut microbiota, and its relationship with glycemic traits in type 2 diabetes mellitus patients: a double-blind randomized controlled trial. Food Funct 2023; 14:8922-8932. [PMID: 37721038 DOI: 10.1039/d3fo01491f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Studies have shown that blue mussel lipid extract (BMLE) can improve the glycemic traits, inflammatory cytokines, and lipid profile of patients with type 2 diabetes mellitus (T2DM) in China. Gut microbiota is closely related to T2DM. This study aims to explore whether BMLE can improve the glycemic status of T2DM patients by regulating gut microbiota in a 60-day double-blind randomized controlled trial. A total of 133 T2DM subjects were randomized into BMLE (n = 44), fish oil (FO) (n = 44), and corn oil (CO) (n = 45) groups. The participants were asked to take two corresponding oil capsules (0.8 g per capsule each) every day. The faecal microbiota, glycemic traits, and other cardiometabolic factors were analyzed at baseline and endpoint. The α diversity estimators of Ace and Chao1 decreased significantly in all three groups, but there was no significant difference between the groups. Eight bacteria decreased significantly in the BMLE group but not in the FO and CO groups: unclassified_Clostridia_UCG_014, unclassified_Bacteroidia, Erysipelotrichaceae, and uncultured_Ruminococcaceae_bacterium at the family level and unclassified_Bacteroidia, uncultured_Ruminococcaceae_bacterium, unclassified_Clostridia_UCG_014, and Turicibacter at genus level. In the BMLE group, the change in the relative abundance of Erysipelotrichaceae was positively correlated with the changes in the homeostatic model assessment of insulin resistance (HOMA-IR) (r = 0.454, p < 0.01) and fasting insulin (r = 0.414, p < 0.01). The change in the relative abundance of Turicibacter was positively correlated with the changes in HOMA-IR (r = 0.431, p < 0.01), fasting insulin (r = 0.414, p < 0.01), total cholesterol (TC) (r = 0.358, p < 0.05), and triacylglycerol (TG) (r = 0.393 p = 0.013). In conclusion, BMLE might improve glycemic traits by modulating gut microbiota in T2DM patients.
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Affiliation(s)
- Shiyi Liu
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Xiaotong Kuang
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Xiaolei Song
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Huiying Li
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Xianfeng Shao
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Tianlin Gao
- School of Public Health, Qingdao University, China
| | - Xiaofei Guo
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Shan Li
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Run Liu
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Kelei Li
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
| | - Duo Li
- Institute of Nutrition and Health, Qingdao University, China.
- School of Public Health, Qingdao University, China
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Zhang Y, Xing H, Bolotnikov G, Krämer M, Gotzmann N, Knippschild U, Kissmann AK, Rosenau F. Enriched Aptamer Libraries in Fluorescence-Based Assays for Rikenella microfusus-Specific Gut Microbiome Analyses. Microorganisms 2023; 11:2266. [PMID: 37764110 PMCID: PMC10535755 DOI: 10.3390/microorganisms11092266] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/29/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Rikenella microfusus is an essential intestinal probiotic with great potential. The latest research shows that imbalance in the intestinal flora are related to the occurrence of various diseases, such as intestinal diseases, immune diseases, and metabolic diseases. Rikenella may be a target or biomarker for some diseases, providing a new possibility for preventing and treating these diseases by monitoring and optimizing the abundance of Rikenella in the intestine. However, the current monitoring methods have disadvantages, such as long detection times, complicated operations, and high costs, which seriously limit the possibility of clinical application of microbiome-based treatment options. Therefore, the intention of this study was to evolve an enriched aptamer library to be used for specific labeling of R. microfusus, allowing rapid and low-cost detection methods and, ultimately the construction of aptamer-based biosensors. In this study, we used Rikenella as the target bacterium for an in vitro whole Cell-SELEX (Systematic Evolution of Ligands by EXponential Enrichment) to evolve and enrich specific DNA oligonucleotide aptamers. Five other prominent anaerobic gut bacteria were included in this process for counterselection and served as control cells. The aptamer library R.m-R13 was evolved with high specificity and strong affinity (Kd = 9.597 nM after 13 rounds of selection). With this enriched aptamer library, R. microfusus could efficiently be discriminated from the control bacteria in complex mixtures using different analysis techniques, including fluorescence microscopy or fluorometric suspension assays, and even in human stool samples. These preliminary results open new avenues toward the development of aptamer-based microbiome bio-sensing applications for fast and reliable monitoring of R. microfusus.
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Affiliation(s)
- Yiting Zhang
- Institute of Pharmaceutical Biotechnology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany; (Y.Z.); (H.X.); (G.B.); (M.K.); (N.G.); (A.-K.K.)
| | - Hu Xing
- Institute of Pharmaceutical Biotechnology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany; (Y.Z.); (H.X.); (G.B.); (M.K.); (N.G.); (A.-K.K.)
| | - Grigory Bolotnikov
- Institute of Pharmaceutical Biotechnology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany; (Y.Z.); (H.X.); (G.B.); (M.K.); (N.G.); (A.-K.K.)
| | - Markus Krämer
- Institute of Pharmaceutical Biotechnology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany; (Y.Z.); (H.X.); (G.B.); (M.K.); (N.G.); (A.-K.K.)
| | - Nina Gotzmann
- Institute of Pharmaceutical Biotechnology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany; (Y.Z.); (H.X.); (G.B.); (M.K.); (N.G.); (A.-K.K.)
| | - Uwe Knippschild
- Department of General and Visceral Surgery, Surgery Center, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany;
| | - Ann-Kathrin Kissmann
- Institute of Pharmaceutical Biotechnology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany; (Y.Z.); (H.X.); (G.B.); (M.K.); (N.G.); (A.-K.K.)
- Max-Planck-Institute for Polymer Research Mainz, Ackermannweg 10, 55128 Mainz, Germany
| | - Frank Rosenau
- Institute of Pharmaceutical Biotechnology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany; (Y.Z.); (H.X.); (G.B.); (M.K.); (N.G.); (A.-K.K.)
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Liu CY, Li BY, Liang Y, Xu J, Zhuo LB, Wang JT, Hu W, Sun TY, Xu F, Gou W, Zheng JS, Chen YM. The Association between Circulating 25-Hydroxyvitamin D and Carotid Intima-Media Thickness Is Mediated by Gut Microbiota and Fecal and Serum Metabolites in Adults. Mol Nutr Food Res 2023; 67:e2300017. [PMID: 37377073 DOI: 10.1002/mnfr.202300017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 05/29/2023] [Indexed: 06/29/2023]
Abstract
SCOPE Vitamin D is vital to cardiovascular health. This study examines the association between plasma 25-hydroxyvitamin D (25[OH]D) and the progression of carotid intima-media thickness (cIMT) and identifies the potential mediating biomarkers of gut microbiota and metabolites in adults. METHODS AND RESULTS This 9-year prospective study includes 2975 subjects with plasma 25(OH)D at baseline and determined cIMT every 3 years. Higher circulating 25(OH)D is associated with decreased odds of higher (≥median) 9-year cIMT changes at the common carotid artery (hΔCCA-cIMT) (p-trend < 0.001). Multivariable-adjusted OR (95%CI) of hΔCCA-cIMT for tertiles 2 and 3 (vs. 1) of 25(OH)D is 0.87 (0.73-1.04) and 0.68 (0.57-0.82). Gut microbiome and metabolome analysis identify 18 biomarkers significantly associated with both 25(OH)D and hΔCCA-cIMT, including three microbial genera, seven fecal metabolites, eight serum metabolites, and pathway of synthesis and degradation of ketone bodies. Mediation/path analyses show the scores generated from the overlapped differential gut microbiota, fecal and serum metabolites, and serum acetoacetic acid alone could mediate the beneficial association between 25(OH)D and hΔCCA-cIMT by 10.8%, 23.1%, 59.2%, and 62.0% (all p < 0.05), respectively. CONCLUSIONS These findings show a beneficial association between plasma 25(OH)D and the CCA-cIMT progression. The identified multi-omics biomarkers provide novel mechanistic insights for the epidemiological association.
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Affiliation(s)
- Chun-Ying Liu
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Bang-Yan Li
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Yuhui Liang
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, 310024, China
| | - Jinjian Xu
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Lai-Bao Zhuo
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Jia-Ting Wang
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Wei Hu
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Ting-Yu Sun
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Fengzhe Xu
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, 310024, China
| | - Wanglong Gou
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, 310024, China
| | - Ju-Sheng Zheng
- Key Laboratory of Growth Regulation and Translational Research of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou, 310024, China
| | - Yu-Ming Chen
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
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Metafuni E, Di Marino L, Giammarco S, Bellesi S, Limongiello MA, Sorà F, Frioni F, Maggi R, Chiusolo P, Sica S. The Role of Fecal Microbiota Transplantation in the Allogeneic Stem Cell Transplant Setting. Microorganisms 2023; 11:2182. [PMID: 37764025 PMCID: PMC10536954 DOI: 10.3390/microorganisms11092182] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/16/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023] Open
Abstract
Microbiota changes during allogeneic hematopoietic stem cell transplantation has several known causes: conditioning chemotherapy and radiation, broad-spectrum antibiotic administration, modification in nutrition status and diet, and graft-versus-host disease. This article aims to review the current knowledge about the close link between microbiota and allogeneic stem cell transplantation setting. The PubMed search engine was used to perform this review. We analyzed data on microbiota dysbiosis related to the above-mentioned affecting factors. We also looked at treatments aimed at modifying gut dysbiosis and applications of fecal microbiota transplantation in the allogeneic stem cell transplant field, with particular interest in fecal microbiota transplantation for graft-versus-host disease (GvHD), multidrug-resistant and clostridium difficile infections, and microbiota restoration after chemotherapy and antibiotic therapy.
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Affiliation(s)
- Elisabetta Metafuni
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica e Ematologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (S.G.); (S.B.); (M.A.L.); (F.S.); (P.C.); (S.S.)
| | - Luca Di Marino
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (L.D.M.); (F.F.); (R.M.)
| | - Sabrina Giammarco
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica e Ematologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (S.G.); (S.B.); (M.A.L.); (F.S.); (P.C.); (S.S.)
| | - Silvia Bellesi
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica e Ematologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (S.G.); (S.B.); (M.A.L.); (F.S.); (P.C.); (S.S.)
| | - Maria Assunta Limongiello
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica e Ematologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (S.G.); (S.B.); (M.A.L.); (F.S.); (P.C.); (S.S.)
| | - Federica Sorà
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica e Ematologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (S.G.); (S.B.); (M.A.L.); (F.S.); (P.C.); (S.S.)
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (L.D.M.); (F.F.); (R.M.)
| | - Filippo Frioni
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (L.D.M.); (F.F.); (R.M.)
| | - Roberto Maggi
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (L.D.M.); (F.F.); (R.M.)
| | - Patrizia Chiusolo
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica e Ematologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (S.G.); (S.B.); (M.A.L.); (F.S.); (P.C.); (S.S.)
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (L.D.M.); (F.F.); (R.M.)
| | - Simona Sica
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica e Ematologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (S.G.); (S.B.); (M.A.L.); (F.S.); (P.C.); (S.S.)
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (L.D.M.); (F.F.); (R.M.)
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Sánchez-Conde M, Alba C, Castro I, Dronda F, Ramírez M, Arroyo R, Moreno S, Rodríguez JM, Brañas F. Comparison of the Fecal Bacteriome of HIV-Positive and HIV-Negative Older Adults. Biomedicines 2023; 11:2305. [PMID: 37626801 PMCID: PMC10452058 DOI: 10.3390/biomedicines11082305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/12/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
HIV infection is considered a scenario of accelerated aging. Previous studies have suggested a link between aging, frailty, and gut dysbiosis, but there is a knowledge gap regarding the HIV population. Our objective was to compare the fecal bacteriome of older people with HIV (PWH) and non-HIV controls, and to assess potential links between gut dysbiosis and frailty. A total of 36 fecal samples (24 from PWH and 12 from non-HIV controls) were submitted to a metataxonomic analysis targeting the V3-V4 hypervariable region of the 16S rRNA gene. High-quality reads were assembled and classified into operational taxonomic units. Alpha diversity, assessed using the Shannon index, was higher in the control group than in the HIV group (p < 0.05). The relative abundance of the genus Blautia was higher in the HIV group (p < 0.001). The presence of Blautia was also higher in PWH with depression (p = 0.004), whereas the opposite was observed for the genus Bifidobacterium (p = 0.004). Our study shows shifts in the composition of the PWH bacteriome when compared to that of healthy controls. To our knowledge, this is the first study suggesting a potential link between depression and gut dysbiosis in the HIV population.
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Affiliation(s)
- Matilde Sánchez-Conde
- Infectious Diseases Department, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034 Madrid, Spain; (F.D.); (S.M.)
- CIBER de Enfermedades Infecciosas (CIBERINFECT), Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Claudio Alba
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (C.A.); (I.C.); (J.M.R.)
| | - Irma Castro
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (C.A.); (I.C.); (J.M.R.)
| | - Fernando Dronda
- Infectious Diseases Department, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034 Madrid, Spain; (F.D.); (S.M.)
| | - Margarita Ramírez
- Infectious Diseases Department, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain;
| | - Rebeca Arroyo
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (C.A.); (I.C.); (J.M.R.)
| | - Santiago Moreno
- Infectious Diseases Department, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034 Madrid, Spain; (F.D.); (S.M.)
| | - Juan Miguel Rodríguez
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (C.A.); (I.C.); (J.M.R.)
| | - Fátima Brañas
- Geriatric Department, Hospital Universitario Infanta Leonor, 28031 Madrid, Spain
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Rodriguez MT, McLaurin KA, Shtutman M, Kubinak JL, Mactutus CF, Booze RM. Therapeutically targeting the consequences of HIV-1-associated gastrointestinal dysbiosis: Implications for neurocognitive and affective alterations. Pharmacol Biochem Behav 2023; 229:173592. [PMID: 37390973 PMCID: PMC10494709 DOI: 10.1016/j.pbb.2023.173592] [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: 02/09/2023] [Revised: 06/16/2023] [Accepted: 06/26/2023] [Indexed: 07/02/2023]
Abstract
Approximately 50 % of the individuals living with human immunodeficiency virus type 1 (HIV-1) are plagued by debilitating neurocognitive impairments (NCI) and/or affective alterations. Sizeable alterations in the composition of the gut microbiome, or gastrointestinal dysbiosis, may underlie, at least in part, the NCI, apathy, and/or depression observed in this population. Herein, two interrelated aims will be critically addressed, including: 1) the evidence for, and functional implications of, gastrointestinal microbiome dysbiosis in HIV-1 seropositive individuals; and 2) the potential for therapeutically targeting the consequences of this dysbiosis for the treatment of HIV-1-associated NCI and affective alterations. First, gastrointestinal microbiome dysbiosis in HIV-1 seropositive individuals is characterized by decreased alpha (α) diversity, a decreased relative abundance of bacterial species belonging to the Bacteroidetes phylum, and geographic-specific alterations in Bacillota (formerly Firmicutes) spp. Fundamentally, changes in the relative abundance of Bacteroidetes and Bacillota spp. may underlie, at least in part, the deficits in γ-aminobutyric acid and serotonin neurotransmission, as well as prominent synaptodendritic dysfunction, observed in this population. Second, there is compelling evidence for the therapeutic utility of targeting synaptodendritic dysfunction as a method to enhance neurocognitive function and improve motivational dysregulation in HIV-1. Further research is needed to determine whether the therapeutics enhancing synaptic efficacy exert their effects by altering the gut microbiome. Taken together, understanding gastrointestinal microbiome dysbiosis resulting from chronic HIV-1 viral protein exposure may afford insight into the mechanisms underlying HIV-1-associated neurocognitive and/or affective alterations; mechanisms which can be subsequently targeted via novel therapeutics.
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Affiliation(s)
- Mason T Rodriguez
- Cognitive and Neural Science Program, Department of Psychology, Barnwell College, 1512 Pendleton Street, University of South Carolina, Columbia, SC 29208, United States of America
| | - Kristen A McLaurin
- Cognitive and Neural Science Program, Department of Psychology, Barnwell College, 1512 Pendleton Street, University of South Carolina, Columbia, SC 29208, United States of America
| | - Michael Shtutman
- Drug Discovery and Biomedical Sciences, College of Pharmacy, 715 Sumter Street, University of South Carolina, Columbia, SC 29208, United States of America
| | - Jason L Kubinak
- Pathology, Microbiology & Immunology, School of Medicine Columbia, 6311 Garners Ferry Road, Building 2, Columbia, SC 29209, United States of America
| | - Charles F Mactutus
- Cognitive and Neural Science Program, Department of Psychology, Barnwell College, 1512 Pendleton Street, University of South Carolina, Columbia, SC 29208, United States of America
| | - Rosemarie M Booze
- Cognitive and Neural Science Program, Department of Psychology, Barnwell College, 1512 Pendleton Street, University of South Carolina, Columbia, SC 29208, United States of America.
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Enichen E, Adams RB, Demmig-Adams B. Physical Activity as an Adjunct Treatment for People Living with HIV? Am J Lifestyle Med 2023; 17:502-517. [PMID: 37426740 PMCID: PMC10328202 DOI: 10.1177/15598276221078222] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
Abstract
This review evaluates physical activity as a candidate for an adjunct treatment, in conjunction with antiretroviral therapy (ART), for people living with HIV (PLWH). Evidence is summarized that chronic, non-resolving inflammation (a principal feature of immune system dysfunction) and a dysfunctional state of the gut environment are key factors in HIV infection that persist despite treatment with ART. In addition, evidence is summarized that regular physical activity may restore normal function of both the immune system and the gut environment and may thereby ameliorate symptoms and non-resolving inflammation-associated comorbidities that burden PLWH. Physicians who care for PLWH could thus consider incorporating physical activity into treatment plans to complement ART. It is also discussed that different types of physical activity can have different effects on the gut environment and immune function, and that future research should establish more specific criteria for the design of exercise regimens tailored to PLWH.
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Affiliation(s)
- Elizabeth Enichen
- Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO, USA, (EE, BDA); Physical Therapy of Boulder, Boulder, CO, USA, (RBA)
| | - Robert B. Adams
- Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO, USA, (EE, BDA); Physical Therapy of Boulder, Boulder, CO, USA, (RBA)
| | - Barbara Demmig-Adams
- Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO, USA, (EE, BDA); Physical Therapy of Boulder, Boulder, CO, USA, (RBA)
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Attia H, ElBanna SA, Khattab RA, Farag MA, Yassin AS, Aziz RK. Integrating Microbiome Analysis, Metabolomics, Bioinformatics, and Histopathology to Elucidate the Protective Effects of Pomegranate Juice against Benzo-alpha-pyrene-Induced Colon Pathologies. Int J Mol Sci 2023; 24:10691. [PMID: 37445869 DOI: 10.3390/ijms241310691] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Polycyclic aromatic hydrocarbons, e.g., benzo[a]pyrene (BaP), are common dietary pollutants with potential carcinogenic activity, while polyphenols are potential chemopreventive antioxidants. Although several health benefits are attributed to polyphenol-rich pomegranate, little is known about its interaction with BaP. This study integrates histochemical, microbiomic, and metabolomic approaches to investigate the protective effects of pomegranate juice from BaP-induced pathologies. To this end, 48 Sprague-Dawley rats received, for four weeks, either pomegranate, BaP, both, or neither (n = 12 rats per group). Whereas histochemical examination of the colon indicated tissue damage marked by mucin depletion in BaP-fed animals, which was partially restored by administration of pomegranate juice, the fecal microbiome and metabolome retained their resilience, except for key changes related to pomegranate and BaP biotransformation. Meanwhile, dramatic microbiome restructuring and metabolome shift were observed as a consequence of the elapsed time (age factor). Additionally, the analysis allowed a thorough examination of fecal microbiome-metabolome associations, which delineated six microbiome clusters (marked by a differential abundance of Lactobacillaceae and Prevotellaceae, Rumincococcaceae, and Erysipelotrichaceae) and two major metabolome clusters (a sugar- and amino-acids-dominated metabotype vs. a cluster of fatty acids and hydrocarbons), with sugar alcohols maintaining a unique signature. In conclusion, using paired comparisons to minimize inter-individual animal variations allowed the dissection of temporal vs. treatment-derived variations. Microbiome-metabolome association clusters may be further exploited for metabotype prediction and gut-health biomarker discovery.
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Affiliation(s)
- Heba Attia
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Center for Genome and Microbiome Research, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Shahira A ElBanna
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Center for Genome and Microbiome Research, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Rania A Khattab
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Mohamed A Farag
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Aymen S Yassin
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Center for Genome and Microbiome Research, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Ramy K Aziz
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Center for Genome and Microbiome Research, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Microbiology and Immunology Research Program, Children's Cancer Hospital Egypt 57357, Cairo 11617, Egypt
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Clavenna MG, La Vecchia M, Sculco M, Joseph S, Barberis E, Amede E, Mellai M, Brossa S, Borgonovi G, Occhipinti P, Boldorini R, Robotti E, Azzimonti B, Bona E, Pasolli E, Ferrante D, Manfredi M, Aspesi A, Dianzani I. Distinct Signatures of Tumor-Associated Microbiota and Metabolome in Low-Grade vs. High-Grade Dysplastic Colon Polyps: Inference of Their Role in Tumor Initiation and Progression. Cancers (Basel) 2023; 15:3065. [PMID: 37370676 DOI: 10.3390/cancers15123065] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/31/2023] [Accepted: 06/01/2023] [Indexed: 06/29/2023] Open
Abstract
According to the driver-passenger model for colorectal cancer (CRC), the tumor-associated microbiota is a dynamic ecosystem of bacterial species where bacteria with carcinogenic features linked to CRC initiation are defined as "drivers", while opportunistic bacteria colonizing more advanced tumor stages are known as "passengers". We reasoned that also gut microbiota-associated metabolites may be differentially enriched according to tumor stage, and be potential determinants of CRC development. Thus, we characterized the mucosa- and lumen-associated microbiota (MAM and LAM, respectively) and mucosa-associated metabolites in low- vs. high-grade dysplastic colon polyps from 78 patients. We show that MAM, obtained with a new biopsy-preserving approach, and LAM differ in composition and α/β-diversity. By stratifying patients for polyp histology, we found that bacteria proposed as passengers by previous studies colonized high-grade dysplastic adenomas, whereas driver taxa were enriched in low-grade polyps. Furthermore, we report altered "mucosa-associated metabolite" levels in low- vs. high-grade groups. Integrated microbiota-metabolome analysis suggests the involvement of the gut microbiota in the production and consumption of these metabolites. Altogether, our findings support the involvement of bacterial species and associated metabolites in CRC mucosal homeostasis in a tumor-stage-specific manner. These distinct signatures may be used to distinguish low-grade from high-grade dysplastic polyps.
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Affiliation(s)
| | - Marta La Vecchia
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Marika Sculco
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Soni Joseph
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Elettra Barberis
- Department of Translational Medicine, Università del Piemonte Orientale, 28100 Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Diseases, University of Piemonte Orientale, 28100 Novara, Italy
| | - Elia Amede
- Department of Translational Medicine, Università del Piemonte Orientale, 28100 Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Diseases, University of Piemonte Orientale, 28100 Novara, Italy
| | - Marta Mellai
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Diseases, University of Piemonte Orientale, 28100 Novara, Italy
| | - Silvia Brossa
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Giulia Borgonovi
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Pietro Occhipinti
- Department of Gastroenterology, "Maggiore della Carità" Hospital, 28100 Novara, Italy
| | - Renzo Boldorini
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Elisa Robotti
- Department of Sciences and Technological Innovation, Università del Piemonte Orientale, 15121 Alessandria, Italy
| | - Barbara Azzimonti
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Diseases, University of Piemonte Orientale, 28100 Novara, Italy
| | - Elisa Bona
- Department for Sustainable Development and Ecological Transition, Università del Piemonte Orientale, 13100 Vercelli, Italy
| | - Edoardo Pasolli
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy
- Task Force on Microbiome Studies, University of Naples Federico II, 80055 Portici, Italy
| | - Daniela Ferrante
- Department of Translational Medicine, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Marcello Manfredi
- Department of Translational Medicine, Università del Piemonte Orientale, 28100 Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Diseases, University of Piemonte Orientale, 28100 Novara, Italy
| | - Anna Aspesi
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
| | - Irma Dianzani
- Department of Health Sciences, Università del Piemonte Orientale, 28100 Novara, Italy
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Goosen C, Proost S, Baumgartner J, Mallick K, Tito RY, Barnabas SL, Cotton MF, Zimmermann MB, Raes J, Blaauw R. Associations of HIV and iron status with gut microbiota composition, gut inflammation and gut integrity in South African school-age children: a two-way factorial case-control study. J Hum Nutr Diet 2023; 36:819-832. [PMID: 36992541 PMCID: PMC10946596 DOI: 10.1111/jhn.13171] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 03/19/2023] [Indexed: 03/31/2023]
Abstract
BACKGROUND Human immunodeficiency virus (HIV) and iron deficiency (ID) affect many African children. Both HIV and iron status interact with gut microbiota composition and related biomarkers. The study's aim was to determine the associations of HIV and iron status with gut microbiota composition, gut inflammation and gut integrity in South African school-age children. METHODS In this two-way factorial case-control study, 8- to 13-year-old children were enrolled into four groups based on their HIV and iron status: (1) With HIV (HIV+) and ID (n = 43), (2) HIV+ and iron-sufficient nonanaemic (n = 41), (3) without HIV (HIV-) and ID (n = 44) and (4) HIV- and iron-sufficient nonanaemic (n = 38). HIV+ children were virally suppressed (<50 HIV RNA copies/ml) on antiretroviral therapy (ART). Microbial composition of faecal samples (16S rRNA sequencing) and markers of gut inflammation (faecal calprotectin) and gut integrity (plasma intestinal fatty acid-binding protein [I-FABP]) were assessed. RESULTS Faecal calprotectin was higher in ID versus iron-sufficient nonanaemic children (p = 0.007). I-FABP did not significantly differ by HIV or iron status. ART-treated HIV (redundancy analysis [RDA] R2 = 0.009, p = 0.029) and age (RDA R2 = 0.013 p = 0.004) explained the variance in the gut microbiota across the four groups. Probabilistic models showed that the relative abundance of the butyrate-producing genera Anaerostipes and Anaerotruncus was lower in ID versus iron-sufficient children. Fusicatenibacter was lower in HIV+ and in ID children versus their respective counterparts. The prevalence of the inflammation-associated genus Megamonas was 42% higher in children with both HIV and ID versus HIV- and iron-sufficient nonanaemic counterparts. CONCLUSIONS In our sample of 8- to 13-year-old virally suppressed HIV+ and HIV- children with or without ID, ID was associated with increased gut inflammation and changes in the relative abundance of specific microbiota. Moreover, in HIV+ children, ID had a cumulative effect that further shifted the gut microbiota to an unfavourable composition.
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Affiliation(s)
- Charlene Goosen
- Division of Human Nutrition, Department of Global Health, Faculty of Medicine and Health SciencesStellenbosch UniversityCape TownSouth Africa
| | - Sebastian Proost
- Laboratory of Molecular Bacteriology, Department of Microbiology and ImmunologyRega Institute, KU LeuvenLeuvenBelgium
- Center for Microbiology, VIBLeuvenBelgium
| | - Jeannine Baumgartner
- Laboratory of Human Nutrition, Department of Health Sciences and TechnologyETH ZurichZurichSwitzerland
- Department of Nutritional SciencesKing's College LondonLondonUK
| | - Kashish Mallick
- Laboratory of Human Nutrition, Department of Health Sciences and TechnologyETH ZurichZurichSwitzerland
| | - Raul Y. Tito
- Laboratory of Molecular Bacteriology, Department of Microbiology and ImmunologyRega Institute, KU LeuvenLeuvenBelgium
- Center for Microbiology, VIBLeuvenBelgium
| | - Shaun L. Barnabas
- Department of Paediatrics and Child Health, Family Centre for Research with UbuntuStellenbosch UniversityCape TownSouth Africa
| | - Mark F. Cotton
- Department of Paediatrics and Child Health, Family Centre for Research with UbuntuStellenbosch UniversityCape TownSouth Africa
| | - Michael B. Zimmermann
- Laboratory of Human Nutrition, Department of Health Sciences and TechnologyETH ZurichZurichSwitzerland
| | - Jeroen Raes
- Laboratory of Molecular Bacteriology, Department of Microbiology and ImmunologyRega Institute, KU LeuvenLeuvenBelgium
- Center for Microbiology, VIBLeuvenBelgium
| | - Renée Blaauw
- Division of Human Nutrition, Department of Global Health, Faculty of Medicine and Health SciencesStellenbosch UniversityCape TownSouth Africa
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Zhang X, Jia X, Wang S, Xin J, Sun N, Wang Y, Zhang X, Wan Z, Fan J, Li H, Bai Y, Ni X, Huang Y, Wang H, Ma H. Disrupted gut microbiota aggravates spatial memory dysfunction induced by high altitude exposure: A link between plateau environment and microbiome-gut-brain axis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 259:115035. [PMID: 37224779 DOI: 10.1016/j.ecoenv.2023.115035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 04/11/2023] [Accepted: 05/17/2023] [Indexed: 05/26/2023]
Abstract
Approximately 400 million people work and live in high-altitude areas and suffer from memory dysfunction worldwide. Until now, the role of the intestinal flora in plateau-induced brain damage has rarely been reported. To address this, we investigated the effect of intestinal flora on spatial memory impairment induced by high altitudes based on the microbiome-gut-brain axis theory. C57BL/6 mice were divided into three groups: control, high-altitude (HA), and high-altitude antibiotic treatment (HAA) group. The HA and HAA groups were exposed to a low-pressure oxygen chamber that simulated an altitude of 4000 m above sea level (m. a. s.l.) for 14 days, with the air pressure in the chamber set at 60-65 kPa. The results showed that spatial memory dysfunction induced by the high-altitude environment was aggravated by antibiotic treatment, manifesting as lowered escape latency and hippocampal memory-related proteins (BDNF and PSD-95). 16 S rRNA sequencing showed a remarkable separation of the ileal microbiota among the three groups. Antibiotic treatment exacerbated the reduced richness and diversity of the ileal microbiota in mice in the HA group. Lactobacillaceae were the main target bacteria and were significantly reduced in the HA group, which was exacerbated by antibiotic treatment. Meanwhile, reduced intestinal permeability and ileal immune function in mice exposed high-altitude environment was also aggravated by antibiotic treatment, as indicated by the lowered tight junction proteins and IL-1β and IFN-γ levels. Furthermore, indicator species analysis and Netshift co-analysis revealed that Lactobacillaceae (ASV11) and Corynebacteriaceae (ASV78, ASV25, and ASV47) play important roles in high-altitude exposure-induced memory dysfunction. Interestingly, ASV78 was negatively correlated with IL-1β and IFN-γ levels, indicating that ASV78 may be induced by reduced ileal immune function, which mediates high-altitude environment exposure-induced memory dysfunction. This study provides evidence that the intestinal flora is effective in preventing brain dysfunction caused by exposure to high-altitude environments, suggesting a relationship between the microbiome-gut-brain axis and altitude exposure.
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Affiliation(s)
- Xufei Zhang
- Plateau Brain Science Research Center, Tibet University, Lhasa, Tibet, China
| | - Xianhao Jia
- Plateau Brain Science Research Center, Tibet University, Lhasa, Tibet, China
| | - Shengnan Wang
- Baiyun Branch, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jinge Xin
- Baiyun Branch, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Guangzhou Beneco biotechnology Co. Ltd., Guangzhou, Guangdong, China
| | - Ning Sun
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Yanyan Wang
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Xingting Zhang
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhiqiang Wan
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Jing Fan
- Plateau Brain Science Research Center, Tibet University, Lhasa, Tibet, China
| | - Hao Li
- Plateau Brain Science Research Center, Tibet University, Lhasa, Tibet, China
| | - Yang Bai
- Baiyun Branch, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Institute of Gastroenterology of Guangdong Province, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xueqin Ni
- Animal Microecology Institute, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Yongmei Huang
- Baiyun Branch, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Hesong Wang
- Baiyun Branch, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Hailin Ma
- Plateau Brain Science Research Center, Tibet University, Lhasa, Tibet, China.
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Fu X, Cheng D, Luo Z, Heath SL, Adekunle R, McKinnon JE, Martin L, Sheng Z, Espinosa E, Jiang W. Impacts of plasma microbial lipopolysaccharide translocation on B cell perturbations and anti-CD4 autoantibody production in people with HIV on suppressive antiretroviral therapy. Cell Biosci 2023; 13:78. [PMID: 37138358 PMCID: PMC10157945 DOI: 10.1186/s13578-023-01022-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 03/27/2023] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND . Up to 20% of people with HIV (PWH) who undergo virologically suppressed antiretroviral therapy (ART) fail to experience complete immune restoration. We recently reported that plasma anti-CD4 IgG (antiCD4IgG) autoantibodies from immune non-responders specifically deplete CD4 + T cells via antibody-dependent cytotoxicity. However, the mechanism of antiCD4IgG production remains unclear. METHODS . Blood samples were collected from 16 healthy individuals and 25 PWH on suppressive ART. IgG subclass, plasma lipopolysaccharide (LPS), and antiCD4IgG levels were measured by ELISA. Gene profiles in B cells were analyzed by microarray and quantitative PCR. Furthermore, a patient-derived antiCD4IgG-producing B cell line was generated and stimulated with LPS in vitro. B cell IgG class switch recombination (CSR) was evaluated in response to LPS in splenic B cells from C57/B6 mice in vitro. RESULTS . Increased plasma anti-CD4 IgGs in PWH were predominantly IgG1 and associated with increased plasma LPS levels as well as B cell expression of TLR2, TLR4, and MyD88 mRNA in vivo. Furthermore, LPS stimulation induced antiCD4IgG production in the antiCD4IgG B cell line in vitro. Finally, LPS promoted CSR in vitro. CONCLUSION . Our findings suggest that persistent LPS translocation may promote anti-CD4 autoreactive B cell activation and antiCD4IgG production in PWH on ART, which may contribute to gradual CD4 + T cell depletion. This study suggests that reversing a compromised mucosal barrier could improve ART outcomes in PWH who fail to experience complete immune restoration.
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Affiliation(s)
- Xiaoyu Fu
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Ave. BSB207, Charleston, SC, 29425, USA
| | - Da Cheng
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Ave. BSB207, Charleston, SC, 29425, USA
| | - Zhenwu Luo
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Ave. BSB207, Charleston, SC, 29425, USA
| | - Sonya L Heath
- Department of Medicine, Division of Infectious Diseases, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Ruth Adekunle
- Division of Infectious Diseases, Department of Medicine, Medical University of South Carolina, 173 Ashley Ave. BSB207, Charleston, SC, 29425, USA
- Ralph H. Johnson VA Medical Center, Charleston, SC, 29401, USA
| | - John E McKinnon
- Ralph H. Johnson VA Medical Center, Charleston, SC, 29401, USA
| | - Lisa Martin
- Ralph H. Johnson VA Medical Center, Charleston, SC, 29401, USA
| | - Zizhang Sheng
- Aaron Diamond AIDS Research Center, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, 10032, USA
| | - Enrique Espinosa
- Laboratory of Integrative Immunology, National Institute of Respiratory Diseases "Ismael Cosío Villegas", Mexico City, 14080, Mexico
| | - Wei Jiang
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Ave. BSB207, Charleston, SC, 29425, USA.
- Division of Infectious Diseases, Department of Medicine, Medical University of South Carolina, 173 Ashley Ave. BSB207, Charleston, SC, 29425, USA.
- Ralph H. Johnson VA Medical Center, Charleston, SC, 29401, USA.
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46
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Satish S, Abu Y, Gomez D, Kumar Dutta R, Roy S. HIV, opioid use, and alterations to the gut microbiome: elucidating independent and synergistic effects. Front Immunol 2023; 14:1156862. [PMID: 37168868 PMCID: PMC10164749 DOI: 10.3389/fimmu.2023.1156862] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 03/22/2023] [Indexed: 05/13/2023] Open
Abstract
Background The microbiome is essential to immune development, defense against pathogens, and modulation of inflammation. Microbial dysbiosis has been reported in various diseases including human immunodeficiency virus (HIV) and opioid use disorder (OUD). Notably, people living with HIV (PLWH) have been reported to both have higher rates of OUD and use opioids at higher rates than the general public. Thus, studying gut microbial alterations in people living with HIV and with OUD could elucidate mechanisms pertaining to how these conditions both shape and are shaped by the microbiome. However, to date few studies have investigated how HIV and OUD in combination impact the microbiome. Aim of review Here, we review previous studies outlining interactions between HIV, opioid use, and microbial dysbiosis and describe attempts to treat this dysbiosis with fecal microbial transplantation, probiotics, and dietary changes. Key scientific concepts of review While the limited number of studies prevent overgeneralizations; accumulating data suggest that HIV and opioid use together induce distinct alterations in the gut microbiome. Among the three existing preclinical studies of HIV and opioid use, two studies reported a decrease in Lachnospiraceae and Ruminococcaceae, and one study reported a decrease in Muribaculaceae in the combined HIV and opioid group relative to HIV-alone, opioid-alone, or control groups. These bacteria are known to modulate immune function, decrease colonic inflammation, and maintain gut epithelial barrier integrity in healthy individuals. Accordingly, modulation of the gut microbiome to restore gut homeostasis may be attempted to improve both conditions. While mixed results exist regarding treating dysbiosis with microbial restoration in PLWH or in those with opioid dependency, larger well-defined studies that can improve microbial engraftment in hosts hold much promise and should still be explored.
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Affiliation(s)
- Sanjana Satish
- Department of Medical Education, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Yaa Abu
- Department of Medical Education, University of Miami Miller School of Medicine, Miami, FL, United States
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Daniel Gomez
- Department of Medical Education, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Rajib Kumar Dutta
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Sabita Roy
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, United States
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Dai A, Hoffman K, Xu AA, Gurwara S, White DL, Kanwal F, Jang A, El-Serag HB, Petrosino JF, Jiao L. The Association between Caffeine Intake and the Colonic Mucosa-Associated Gut Microbiota in Humans-A Preliminary Investigation. Nutrients 2023; 15:1747. [PMID: 37049587 PMCID: PMC10096519 DOI: 10.3390/nu15071747] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/29/2023] [Accepted: 03/29/2023] [Indexed: 04/14/2023] Open
Abstract
We examined the association between caffeine and coffee intake and the community composition and structure of colonic microbiota. A total of 34 polyp-free adults donated 97 colonic biopsies. Microbial DNA was sequenced for the 16S rRNA gene V4 region. The amplicon sequence variant was assigned using DADA2 and SILVA. Food consumption was ascertained using a food frequency questionnaire. We compared the relative abundance of taxonomies by low (<82.9 mg) vs. high (≥82.9 mg) caffeine intake and by never or <2 cups vs. 2 cups vs. ≥3 cups coffee intake. False discovery rate-adjusted p values (q values) <0.05 indicated statistical significance. Multivariable negative binomial regression models were used to estimate the incidence rate ratio and its 95% confidence interval of having a non-zero count of certain bacteria by intake level. Higher caffeine and coffee intake was related to higher alpha diversity (Shannon index p < 0.001), higher relative abundance of Faecalibacterium and Alistipes, and lower relative abundance of Erysipelatoclostridium (q values < 0.05). After adjustment of vitamin B2 in multivariate analysis, the significant inverse association between Erysipelatoclostridium count and caffeine intake remained statistically significant. Our preliminary study could not evaluate other prebiotics in coffee.
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Affiliation(s)
- Annie Dai
- Department of Dermatology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Kristi Hoffman
- The Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Anthony A. Xu
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Shawn Gurwara
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Donna L. White
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Medical Center Digestive Disease Center, Houston, TX 77030, USA
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
- Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey VA Medical Center, Houston, TX 77021, USA
| | - Fasiha Kanwal
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Medical Center Digestive Disease Center, Houston, TX 77030, USA
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
- Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey VA Medical Center, Houston, TX 77021, USA
- Section of Gastroenterology, Michael E. DeBakey VA Medical Center, Houston, TX 77030, USA
| | - Albert Jang
- Deming Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Hashem B. El-Serag
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Medical Center Digestive Disease Center, Houston, TX 77030, USA
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
- Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey VA Medical Center, Houston, TX 77021, USA
- Section of Gastroenterology, Michael E. DeBakey VA Medical Center, Houston, TX 77030, USA
| | - Joseph F. Petrosino
- The Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Medical Center Digestive Disease Center, Houston, TX 77030, USA
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Li Jiao
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
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DeBoer MD, Elwood SE, Platts-Mills JA, McDermid JM, Scharf RJ, Rogawski McQuade ET, Jatosh S, Houpt ER, Mduma E. Association of Circulating Biomarkers with Growth and Cognitive Development in Rural Tanzania: A Secondary Analysis of the Early Life Interventions in Childhood Growth and Development In Tanzania (ELICIT) Study. J Nutr 2023; 153:1453-1460. [PMID: 36963502 DOI: 10.1016/j.tjnut.2023.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/09/2023] [Accepted: 03/15/2023] [Indexed: 03/26/2023] Open
Abstract
BACKGROUND Children in low-resource areas experience nutritional and infection challenges delaying growth and cognitive development. OBJECTIVE Our goal was to assess for associations of circulating biomarkers related to nutrition and inflammation, with growth and developmental outcomes among children in a birth cohort in a resource-poor area in rural Tanzania. METHODS We assessed data from 1120 children participating in the Early Life Interventions for Childhood Growth and Development in Tanzania (ELICIT) study. At age 12 and 18 months participants had blood tests performed for hemoglobin, collagen-X, insulin-like growth factor-1 (IGF-1), fibroblast growth-factor-21 (FGF21), thyroglobulin, ferritin, soluble transferrin receptor (sTFR), retinol binding protein-4 (RBP4), C-reactive protein (CRP), alpha(1)-acid glycoprotein (AGP), and CD14. At 18 months, participants had anthropometry measured and converted to z-scores for length-for-age (LAZ), weight-for-age (WAZ) and head-circumference-for-age (HCZ) and had the Malawi Developmental Assessment Tool (MDAT) performed to evaluate cognitive development. We performed linear regression assessing biomarkers (predictor variable) on anthropometry and MDAT scores (dependent variables), adjusted for sex, socioeconomic status and baseline values. RESULTS There was a high degree of intra-factor correlation between 12 and 18 months, and inter-factor correlation between biomarkers. IGF-1 and sTFR were positively- and FGF21 and ferritin negatively-associated with LAZ 18 months, while collagen-X and CD14 were additionally associated with recent linear growth. Only markers predominantly related to nutrition were consistently linked with WAZ at 18 months, while RBP4 and AGP were additionally associated with recent change in WAZ. IGF-1 was positively- and thyroglobulin, RBP4 and CD14 negatively linked to MDAT scores. IGF-1 was the only factor linked to both 18-month LAZ and MDAT. CONCLUSIONS Individual biomarkers were consistently linked to growth and cognitive outcomes, providing support for relationships between nutrition and inflammation in early child development. Further research is needed to assess overlaps in how biomarker-related processes interact with both growth and learning.
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Affiliation(s)
- Mark D DeBoer
- Department of Pediatrics, University of Virginia, Charlottesville, VA, USA.
| | - Sarah E Elwood
- Division of Infectious Diseases & International Health, University of Virginia, Charlottesville, VA, USA
| | - James A Platts-Mills
- Division of Infectious Diseases & International Health, University of Virginia, Charlottesville, VA, USA
| | - Joann M McDermid
- Division of Infectious Diseases & International Health, University of Virginia, Charlottesville, VA, USA
| | - Rebecca J Scharf
- Department of Pediatrics, University of Virginia, Charlottesville, VA, USA; Division of Infectious Diseases & International Health, University of Virginia, Charlottesville, VA, USA
| | | | - Samwel Jatosh
- Haydom Global Health Research Centre, Haydom Lutheran Hospital, Haydom, Tanzania
| | - Eric R Houpt
- Division of Infectious Diseases & International Health, University of Virginia, Charlottesville, VA, USA
| | - Estomih Mduma
- Haydom Global Health Research Centre, Haydom Lutheran Hospital, Haydom, Tanzania
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49
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Clifford BK, Amorim NML, Kaakoush NO, Boysen L, Tedla N, Goldstein D, Hardeman EC, Simar D. Irradiation-Induced Dysbiosis: The Compounding Effect of High-Fat Diet on Metabolic and Immune Functions in Mice. Int J Mol Sci 2023; 24:ijms24065631. [PMID: 36982703 PMCID: PMC10057711 DOI: 10.3390/ijms24065631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/07/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
The negative impact of irradiation or diet on the metabolic and immune profiles of cancer survivors have been previously demonstrated. The gut microbiota plays a critical role in regulating these functions and is highly sensitive to cancer therapies. The aim of this study was to investigate the effect of irradiation and diet on the gut microbiota and metabolic or immune functions. We exposed C57Bl/6J mice to a single dose of 6 Gy radiation and after 5 weeks, fed them a chow or high-fat diet (HFD) for 12 weeks. We characterised their faecal microbiota, metabolic (whole body and adipose tissue) functions, and systemic (multiplex cytokine, chemokine assay, and immune cell profiling) and adipose tissue inflammatory profiles (immune cell profiling). At the end of the study, we observed a compounding effect of irradiation and diet on the metabolic and immune profiles of adipose tissue, with exposed mice fed a HFD displaying a greater inflammatory signature and impaired metabolism. Mice fed a HFD also showed altered microbiota, irrespective of irradiation status. An altered diet may exacerbate the detrimental effects of irradiation on both the metabolic and inflammatory profiles. This could have implications for the diagnosis and prevention of metabolic complications in cancer survivors exposed to radiation.
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Affiliation(s)
- Briana K. Clifford
- School of Health Sciences, UNSW, Sydney, NSW 2052, Australia
- School of Nursing, Midwifery and Social Work, University of Queensland, Brisbane, QLD 4072, Australia
| | - Nadia M. L. Amorim
- UTS Centenary Centre for Inflammation, School of Life Sciences, University of Technology, Sydney, NSW 2050, Australia
| | | | - Lykke Boysen
- School of Health Sciences, UNSW, Sydney, NSW 2052, Australia
- The Danish Environmental Protection Agency, Ministry of Environment of Denmark, 5000 Odense, Denmark
| | - Nicodemus Tedla
- School of Biomedical Sciences, UNSW, Sydney, NSW 2052, Australia
| | - David Goldstein
- Prince of Wales Clinical School, UNSW, Sydney, NSW 2052, Australia
- Prince of Wales Hospital, Randwick, NSW 2031, Australia
| | - Edna C. Hardeman
- School of Biomedical Sciences, UNSW, Sydney, NSW 2052, Australia
| | - David Simar
- School of Health Sciences, UNSW, Sydney, NSW 2052, Australia
- Correspondence:
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50
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Faulhaber JR, Baffoe-Bonnie AW, Oursler KK, Vasudeva SS. Update in Human Immunodeficiency Virus and Aging. Infect Dis Clin North Am 2023; 37:153-173. [PMID: 36805011 DOI: 10.1016/j.idc.2022.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Effective and consistent antiretroviral therapy has enabled people with human immunodeficiency virus (HIV) (PWH) to survive longer than previously encountered earlier in the epidemic. Consequently, PWH are subject to the struggles and clinical conditions typically associated with aging. However, the aging process in PWH is not the same as for those who do not have HIV. There is a complex interplay of molecular, microbiologic, and pharmacologic factors that leads to accelerated aging in PWH; this leads to increased risk for certain age-related comorbidities requiring greater vigilance and interventions in routine care.
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Affiliation(s)
- Jason R Faulhaber
- Virginia Tech Carilion School of Medicine, Carilion Clinic, Division of Infectious Diseases, 213 McClanahan St SW, Roanoke, VA 24014, USA.
| | - Anthony W Baffoe-Bonnie
- Virginia Tech Carilion School of Medicine, Carilion Clinic, Division of Infectious Diseases, 213 McClanahan St SW, Roanoke, VA 24014, USA
| | - Krisann K Oursler
- Virginia Tech Carilion School of Medicine, VA Salem Healthcare System, 1970 Roanoke Boulevard Salem, VA 24153-6404, USA
| | - Shikha S Vasudeva
- Virginia Tech Carilion School of Medicine, VA Salem Healthcare System, 1970 Roanoke Boulevard Salem, VA 24153-6404, USA
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