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Sikder MAA, Rashid RB, Ahmed T, Sebina I, Howard DR, Ullah MA, Rahman MM, Lynch JP, Curren B, Werder RB, Simpson J, Bissell A, Morrison M, Walpole C, Radford KJ, Kumar V, Woodruff TM, Ying TH, Ali A, Kaiko GE, Upham JW, Hoelzle RD, Cuív PÓ, Holt PG, Dennis PG, Phipps S. Maternal diet modulates the infant microbiome and intestinal Flt3L necessary for dendritic cell development and immunity to respiratory infection. Immunity 2023; 56:1098-1114.e10. [PMID: 37003256 DOI: 10.1016/j.immuni.2023.03.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 12/28/2022] [Accepted: 03/02/2023] [Indexed: 04/03/2023]
Abstract
Poor maternal diet during pregnancy is a risk factor for severe lower respiratory infections (sLRIs) in the offspring, but the underlying mechanisms remain elusive. Here, we demonstrate that in mice a maternal low-fiber diet (LFD) led to enhanced LRI severity in infants because of delayed plasmacytoid dendritic cell (pDC) recruitment and perturbation of regulatory T cell expansion in the lungs. LFD altered the composition of the maternal milk microbiome and assembling infant gut microbiome. These microbial changes reduced the secretion of the DC growth factor Flt3L by neonatal intestinal epithelial cells and impaired downstream pDC hematopoiesis. Therapy with a propionate-producing bacteria isolated from the milk of high-fiber diet-fed mothers, or supplementation with propionate, conferred protection against sLRI by restoring gut Flt3L expression and pDC hematopoiesis. Our findings identify a microbiome-dependent Flt3L axis in the gut that promotes pDC hematopoiesis in early life and confers disease resistance against sLRIs.
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Affiliation(s)
- Md Al Amin Sikder
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Ridwan B Rashid
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Tufael Ahmed
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD 4000, Australia
| | - Ismail Sebina
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia
| | - Daniel R Howard
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Md Ashik Ullah
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia
| | - Muhammed Mahfuzur Rahman
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Jason P Lynch
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia
| | - Bodie Curren
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia
| | - Rhiannon B Werder
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia
| | - Jennifer Simpson
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; School of Biomedical Sciences and Pharmacy, Faculty of Health, University of Newcastle, Newcastle, NSW, Australia
| | - Alec Bissell
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia
| | - Mark Morrison
- University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, Brisbane, QLD 4102, Australia; Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia
| | - Carina Walpole
- Mater Research Institute, The University of Queensland, Translational Research Institute, Wolloongabba, Brisbane, QLD 4102, Australia
| | - Kristen J Radford
- Mater Research Institute, The University of Queensland, Translational Research Institute, Wolloongabba, Brisbane, QLD 4102, Australia
| | - Vinod Kumar
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Trent M Woodruff
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia; Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia
| | - Tan Hui Ying
- School of Biomedical Sciences and Pharmacy, Faculty of Health, University of Newcastle, Newcastle, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Ayesha Ali
- School of Biomedical Sciences and Pharmacy, Faculty of Health, University of Newcastle, Newcastle, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Gerard E Kaiko
- School of Biomedical Sciences and Pharmacy, Faculty of Health, University of Newcastle, Newcastle, NSW, Australia; Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - John W Upham
- University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, Brisbane, QLD 4102, Australia; Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia; Princess Alexandra Hospital, Brisbane, QLD, Australia
| | - Robert D Hoelzle
- The School of Earth and Environmental Sciences, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Páraic Ó Cuív
- Mater Research Institute, The University of Queensland, Translational Research Institute, Wolloongabba, Brisbane, QLD 4102, Australia; Microba Life Sciences, Translational Research Institute, Woolloongabba, Brisbane, QLD 4102, Australia
| | - Patrick G Holt
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA 6009, Australia
| | - Paul G Dennis
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia; The School of Earth and Environmental Sciences, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Simon Phipps
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, QLD 4072, Australia; School of Biomedical Sciences, Queensland University of Technology, Brisbane, QLD 4000, Australia; Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia.
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