PMID- 21998394 OWN - NLM STAT- MEDLINE DCOM- 20111027 LR - 20211020 IS - 1095-9203 (Electronic) IS - 0036-8075 (Print) IS - 0036-8075 (Linking) VI - 334 IP - 6053 DP - 2011 Oct 14 TI - Successful transmission of a retrovirus depends on the commensal microbiota. PG - 245-9 LID - 10.1126/science.1210718 [doi] AB - To establish chronic infections, viruses must develop strategies to evade the host's immune responses. Many retroviruses, including mouse mammary tumor virus (MMTV), are transmitted most efficiently through mucosal surfaces rich in microbiota. We found that MMTV, when ingested by newborn mice, stimulates a state of unresponsiveness toward viral antigens. This process required the intestinal microbiota, as antibiotic-treated mice or germ-free mice did not transmit infectious virus to their offspring. MMTV-bound bacterial lipopolysaccharide triggered Toll-like receptor 4 and subsequent interleukin-6 (IL-6)-dependent induction of the inhibitory cytokine IL-10. Thus, MMTV has evolved to rely on the interaction with the microbiota to induce an immune evasion pathway. Together, these findings reveal the fundamental importance of commensal microbiota in viral infections. FAU - Kane, Melissa AU - Kane M AD - Department of Microbiology, The University of Chicago, Chicago, IL 60637, USA. FAU - Case, Laure K AU - Case LK FAU - Kopaskie, Karyl AU - Kopaskie K FAU - Kozlova, Alena AU - Kozlova A FAU - MacDearmid, Cameron AU - MacDearmid C FAU - Chervonsky, Alexander V AU - Chervonsky AV FAU - Golovkina, Tatyana V AU - Golovkina TV LA - eng GR - AI090084/AI/NIAID NIH HHS/United States GR - P30 DK042086/DK/NIDDK NIH HHS/United States GR - R01 AI090084/AI/NIAID NIH HHS/United States GR - P30 CA014599/CA/NCI NIH HHS/United States GR - DK42086/DK/NIDDK NIH HHS/United States GR - T32 AI065382-01/AI/NIAID NIH HHS/United States GR - R01 AI082418/AI/NIAID NIH HHS/United States GR - AI082418/AI/NIAID NIH HHS/United States GR - R01 CA134667/CA/NCI NIH HHS/United States GR - R56 AI090084/AI/NIAID NIH HHS/United States GR - T32GM007183/GM/NIGMS NIH HHS/United States GR - CA100383/CA/NCI NIH HHS/United States GR - R01 CA100383/CA/NCI NIH HHS/United States GR - T32 GM007183/GM/NIGMS NIH HHS/United States GR - T32 AI065382/AI/NIAID NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't PL - United States TA - Science JT - Science (New York, N.Y.) JID - 0404511 RN - 0 (Anti-Bacterial Agents) RN - 0 (Antibodies, Viral) RN - 0 (Antigens, Viral) RN - 0 (Lipopolysaccharides) RN - 0 (Tlr4 protein, mouse) RN - 0 (Toll-Like Receptor 4) RN - 130068-27-8 (Interleukin-10) SB - IM CIN - Science. 2011 Oct 14;334(6053):168. PMID: 21998362 CIN - Nat Rev Microbiol. 2011 Dec;9(12):831. PMID: 22048739 MH - Animals MH - Animals, Newborn MH - Anti-Bacterial Agents/pharmacology MH - Antibodies, Viral/biosynthesis MH - Antigens, Viral/immunology MH - *Bacterial Physiological Phenomena MH - Female MH - Germ-Free Life MH - *Immune Evasion MH - Interleukin-10/genetics/metabolism MH - Intestinal Mucosa/*virology MH - Intestines/*microbiology MH - Lipopolysaccharides/immunology/metabolism MH - Mammary Tumor Virus, Mouse/*immunology/*pathogenicity MH - *Metagenome MH - Mice MH - Mice, Inbred C3H MH - Mice, Inbred C57BL MH - Pregnancy MH - Pregnancy Complications, Infectious/virology MH - Retroviridae Infections/immunology/*transmission/virology MH - Specific Pathogen-Free Organisms MH - Toll-Like Receptor 4/immunology/metabolism MH - Tumor Virus Infections/immunology/transmission/virology MH - Virus Replication PMC - PMC3519937 MID - NIHMS425334 EDAT- 2011/10/15 06:00 MHDA- 2011/10/28 06:00 PMCR- 2012/12/11 CRDT- 2011/10/15 06:00 PHST- 2011/10/15 06:00 [entrez] PHST- 2011/10/15 06:00 [pubmed] PHST- 2011/10/28 06:00 [medline] PHST- 2012/12/11 00:00 [pmc-release] AID - 334/6053/245 [pii] AID - 10.1126/science.1210718 [doi] PST - ppublish SO - Science. 2011 Oct 14;334(6053):245-9. doi: 10.1126/science.1210718.