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  • 1
    Publication Date: 2014-07-22
    Description: The viral reservoir represents a critical challenge for human immunodeficiency virus type 1 (HIV-1) eradication strategies. However, it remains unclear when and where the viral reservoir is seeded during acute infection and the extent to which it is susceptible to early antiretroviral therapy (ART). Here we show that the viral reservoir is seeded rapidly after mucosal simian immunodeficiency virus (SIV) infection of rhesus monkeys and before systemic viraemia. We initiated suppressive ART in groups of monkeys on days 3, 7, 10 and 14 after intrarectal SIVMAC251 infection. Treatment with ART on day 3 blocked the emergence of viral RNA and proviral DNA in peripheral blood and also substantially reduced levels of proviral DNA in lymph nodes and gastrointestinal mucosa as compared with treatment at later time points. In addition, treatment on day 3 abrogated the induction of SIV-specific humoral and cellular immune responses. Nevertheless, after discontinuation of ART following 24 weeks of fully suppressive therapy, virus rebounded in all animals, although the monkeys that were treated on day 3 exhibited a delayed viral rebound as compared with those treated on days 7, 10 and 14. The time to viral rebound correlated with total viraemia during acute infection and with proviral DNA at the time of ART discontinuation. These data demonstrate that the viral reservoir is seeded rapidly after intrarectal SIV infection of rhesus monkeys, during the 'eclipse' phase, and before detectable viraemia. This strikingly early seeding of the refractory viral reservoir raises important new challenges for HIV-1 eradication strategies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4126858/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4126858/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whitney, James B -- Hill, Alison L -- Sanisetty, Srisowmya -- Penaloza-MacMaster, Pablo -- Liu, Jinyan -- Shetty, Mayuri -- Parenteau, Lily -- Cabral, Crystal -- Shields, Jennifer -- Blackmore, Stephen -- Smith, Jeffrey Y -- Brinkman, Amanda L -- Peter, Lauren E -- Mathew, Sheeba I -- Smith, Kaitlin M -- Borducchi, Erica N -- Rosenbloom, Daniel I S -- Lewis, Mark G -- Hattersley, Jillian -- Li, Bei -- Hesselgesser, Joseph -- Geleziunas, Romas -- Robb, Merlin L -- Kim, Jerome H -- Michael, Nelson L -- Barouch, Dan H -- AI060354/AI/NIAID NIH HHS/ -- AI078526/AI/NIAID NIH HHS/ -- AI084794/AI/NIAID NIH HHS/ -- AI095985/AI/NIAID NIH HHS/ -- AI096040/AI/NIAID NIH HHS/ -- AI100645/AI/NIAID NIH HHS/ -- R01 AI084794/AI/NIAID NIH HHS/ -- R56 AI091514/AI/NIAID NIH HHS/ -- T32 AI007245/AI/NIAID NIH HHS/ -- U19 AI078526/AI/NIAID NIH HHS/ -- U19 AI095985/AI/NIAID NIH HHS/ -- U19 AI096040/AI/NIAID NIH HHS/ -- UM1 AI100645/AI/NIAID NIH HHS/ -- UM1 AI100663/AI/NIAID NIH HHS/ -- England -- Nature. 2014 Aug 7;512(7512):74-7. doi: 10.1038/nature13594. Epub 2014 Jul 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA [2] Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts 02139, USA. ; Program for Evolutionary Dynamics, Harvard University, Cambridge, Massachusetts 02138 USA. ; Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA. ; Bioqual, Rockville, Maryland 20852, USA. ; Gilead Sciences, Foster City, California 94404, USA. ; US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25042999" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Retroviral Agents/administration & dosage/pharmacology/therapeutic use ; Carrier State/drug therapy/virology ; DNA, Viral/analysis/biosynthesis/blood ; Disease Models, Animal ; Female ; Kinetics ; Macaca mulatta/immunology/*virology ; Male ; Proviruses/genetics ; RNA, Viral/blood ; Rectum/virology ; Simian Acquired Immunodeficiency Syndrome/drug therapy/immunology/*virology ; Simian Immunodeficiency Virus/drug effects/*growth & ; development/immunology/physiology ; Time Factors ; Treatment Failure ; *Viral Load/drug effects ; Viremia/drug therapy/*virology ; Virus Replication/drug effects
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2015-07-04
    Description: Preclinical studies of viral vector-based HIV-1 vaccine candidates have previously shown partial protection against neutralization-resistant virus challenges in rhesus monkeys. In this study, we evaluated the protective efficacy of adenovirus serotype 26 (Ad26) vector priming followed by purified envelope (Env) glycoprotein boosting. Rhesus monkeys primed with Ad26 vectors expressing SIVsmE543 Env, Gag, and Pol and boosted with AS01B-adjuvanted SIVmac32H Env gp140 demonstrated complete protection in 50% of vaccinated animals against a series of repeated, heterologous, intrarectal SIVmac251 challenges that infected all controls. Protective efficacy correlated with the functionality of Env-specific antibody responses. Comparable protection was also observed with a similar Ad/Env vaccine against repeated, heterologous, intrarectal SHIV-SF162P3 challenges. These data demonstrate robust protection by Ad/Env vaccines against acquisition of neutralization-resistant virus challenges in rhesus monkeys.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4653134/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4653134/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barouch, Dan H -- Alter, Galit -- Broge, Thomas -- Linde, Caitlyn -- Ackerman, Margaret E -- Brown, Eric P -- Borducchi, Erica N -- Smith, Kaitlin M -- Nkolola, Joseph P -- Liu, Jinyan -- Shields, Jennifer -- Parenteau, Lily -- Whitney, James B -- Abbink, Peter -- Ng'ang'a, David M -- Seaman, Michael S -- Lavine, Christy L -- Perry, James R -- Li, Wenjun -- Colantonio, Arnaud D -- Lewis, Mark G -- Chen, Bing -- Wenschuh, Holger -- Reimer, Ulf -- Piatak, Michael -- Lifson, Jeffrey D -- Handley, Scott A -- Virgin, Herbert W -- Koutsoukos, Marguerite -- Lorin, Clarisse -- Voss, Gerald -- Weijtens, Mo -- Pau, Maria G -- Schuitemaker, Hanneke -- AI060354/AI/NIAID NIH HHS/ -- AI078526/AI/NIAID NIH HHS/ -- AI080289/AI/NIAID NIH HHS/ -- AI084794/AI/NIAID NIH HHS/ -- AI095985/AI/NIAID NIH HHS/ -- AI096040/AI/NIAID NIH HHS/ -- AI102660/AI/NIAID NIH HHS/ -- AI102691/AI/NIAID NIH HHS/ -- OD011170/OD/NIH HHS/ -- P30 AI060354/AI/NIAID NIH HHS/ -- R01 AI080289/AI/NIAID NIH HHS/ -- R01 AI084794/AI/NIAID NIH HHS/ -- R01 AI102660/AI/NIAID NIH HHS/ -- R01 AI102691/AI/NIAID NIH HHS/ -- R01 OD011170/OD/NIH HHS/ -- R37 AI080289/AI/NIAID NIH HHS/ -- U19 AI078526/AI/NIAID NIH HHS/ -- U19 AI095985/AI/NIAID NIH HHS/ -- U19 AI096040/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Jul 17;349(6245):320-4. doi: 10.1126/science.aab3886. Epub 2015 Jul 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA. Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard University, Cambridge, MA 02139, USA. dbarouch@bidmc.harvard.edu. ; Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard University, Cambridge, MA 02139, USA. ; Thayer School of Engineering at Dartmouth, Hanover, NH 03755, USA. ; Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA. ; University of Massachusetts Medical School, Worcester, MA 01605, USA. ; New England Primate Research Center, Southborough, MA 01772, USA. ; Bioqual, Rockville, MD 20852, USA. ; Children's Hospital, Boston, MA 02115, USA. ; JPT Peptide Technologies GmbH, 12489 Berlin, Germany. ; AIDS and Cancer Virus Program, Leidos Biomedical Research, Frederick National Laboratory, Frederick, MD 21702, USA. ; Washington University School of Medicine, St. Louis, MO 63110, USA. ; GSK Vaccines, 1330 Rixensart, Belgium. ; Janssen Infectious Diseases and Vaccines (formerly Crucell), 2301 Leiden, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138104" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*immunology ; Adenovirus Vaccines/*immunology ; Adoptive Transfer ; Animals ; Antibodies, Neutralizing/immunology ; Female ; Gene Products, env/*immunology ; Gene Products, gag/immunology ; Gene Products, pol/immunology ; Genetic Vectors/immunology ; HIV-1/*immunology ; Histocompatibility Antigens Class I/genetics/immunology ; Immunization, Secondary ; Macaca mulatta ; Male ; SAIDS Vaccines/*immunology ; Simian Acquired Immunodeficiency Syndrome/*prevention & control ; Simian Immunodeficiency Virus/immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 1982-08-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eicher, E M -- Washburn, L L -- Whitney, J B 3rd -- Morrow, K E -- AM 17947/AM/NIADDK NIH HHS/ -- GM 20919/GM/NIGMS NIH HHS/ -- RR 01183/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1982 Aug 6;217(4559):535-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7089579" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Crosses, Genetic ; Disorders of Sex Development/genetics ; Female ; Fertility ; Gonadal Dysgenesis/genetics ; Male ; Mice ; Mice, Inbred C57BL/genetics ; Muridae/*genetics ; Ovary/embryology ; Phenotype ; *Sex Chromosomes ; *Sex Determination Analysis ; Testis/abnormalities/embryology ; *Y Chromosome
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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