1
|
Marichannegowda MH, Zemil M, Wieczorek L, Sanders-Buell E, Bose M, O'Sullivan AM, King D, Francisco L, Diaz-Mendez F, Setua S, Chomont N, Phanuphak N, Ananworanich J, Hsu D, Vasan S, Michael NL, Eller LA, Tovanabutra S, Tagaya Y, Robb ML, Polonis VR, Song H. Tracking coreceptor switch of the transmitted/founder HIV-1 identifies co-evolution of HIV-1 antigenicity, coreceptor usage and CD4 subset targeting: the RV217 acute infection cohort study. EBioMedicine 2023; 98:104867. [PMID: 37939456 PMCID: PMC10665704 DOI: 10.1016/j.ebiom.2023.104867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 10/17/2023] [Accepted: 10/23/2023] [Indexed: 11/10/2023] Open
Abstract
BACKGROUND The CCR5 (R5) to CXCR4 (X4) coreceptor switch in natural HIV-1 infection is associated with faster progression to AIDS, but the mechanisms remain unclear. The difficulty in elucidating the evolutionary origin of the earliest X4 viruses limits our understanding of this phenomenon. METHODS We tracked the evolution of the transmitted/founder (T/F) HIV-1 in RV217 participants identified in acute infection. The origin of the X4 viruses was elucidated by single genome amplification, deep sequencing and coreceptor assay. Mutations responsible for coreceptor switch were confirmed by mutagenesis. Viral susceptibility to neutralization was determined by neutralization assay. Virus CD4 subset preference was demonstrated by sequencing HIV-1 RNA in sorted CD4 subsets. FINDINGS We demonstrated that the earliest X4 viruses evolved de novo from the T/F strains. Strong X4 usage can be conferred by a single mutation. The mutations responsible for coreceptor switch can confer escape to neutralization and drive the X4 variants to replicate mainly in the central memory (CM) and naïve CD4 subsets. Likely due to the smaller viral burst size of the CM and naïve subsets, the X4 variants existed at low frequency in plasma. The origin of the X4 viruses preceded accelerated CD4 decline. All except one X4 virus identified in the current study lost the conserved V3 N301 glycan site. INTERPRETATIONS The findings demonstrate co-evolution of HIV-1 antigenicity, coreceptor usage and CD4 subset targeting which have implications for HIV-1 therapeutics and functional cure. The observations provide evidence that coreceptor switch can function as an evolutionary mechanism of immune evasion. FUNDING Institute of Human Virology, National Institutes of Health, Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Thai Red Cross AIDS Research Centre, Gilead Sciences, Merck, and ViiV Healthcare.
Collapse
Affiliation(s)
| | - Michelle Zemil
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Lindsay Wieczorek
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Eric Sanders-Buell
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Meera Bose
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Anne Marie O'Sullivan
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - David King
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Leilani Francisco
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Felisa Diaz-Mendez
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Saini Setua
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Nicolas Chomont
- Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montréal, Canada
| | | | | | - Denise Hsu
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Sandhya Vasan
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Nelson L Michael
- Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Leigh Anne Eller
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Sodsai Tovanabutra
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Yutaka Tagaya
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Merlin L Robb
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA; The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD, USA
| | - Victoria R Polonis
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Hongshuo Song
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA.
| |
Collapse
|
2
|
Marichannegowda MH, Zemil M, Wieczorek L, Sanders-Buell E, Bose M, O'Sullivan AM, King D, Francisco L, Diaz-Mendez F, Setua S, Chomont N, Phanuphak N, Ananworanich J, Hsu D, Vasan S, Michael NL, Eller LA, Tovanabutra S, Tagaya Y, Robb ML, Polonis VR, Song H. Tracking coreceptor switch of the transmitted/founder HIV-1 identifies co-evolution of HIV-1 antigenicity, coreceptor usage and CD4 subset targeting. bioRxiv 2023:2023.01.21.525033. [PMID: 36712089 PMCID: PMC9882280 DOI: 10.1101/2023.01.21.525033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The CCR5 (R5) to CXCR4 (X4) coreceptor switch in natural HIV-1 infection is associated with faster progression to AIDS, but the underlying mechanisms remain unclear. The difficulty in capturing the earliest moment of coreceptor switch in vivo limits our understanding of this phenomenon. Here, by tracking the evolution of the transmitted/founder (T/F) HIV-1 in a prospective cohort of individuals at risk for HIV-1 infection identified very early in acute infection, we investigated this process with high resolution. The earliest X4 variants evolved from the R5 tropic T/F strains. Strong X4 usage can be conferred by a single mutation. The mutations responsible for coreceptor switch can confer escape to neutralization and drive X4 variants to replicate mainly in the central memory and naïve CD4+ T cells. We propose a novel concept to explain the co-evolution of virus antigenicity and entry tropism termed "escape by shifting". This concept posits that for viruses with receptor or coreceptor flexibility, entry tropism alteration represents a mechanism of immune evasion in vivo .
Collapse
|
3
|
Lewitus E, Sanders-Buell E, Bose M, O'Sullivan AM, Poltavee K, Li Y, Bai H, Mdluli T, Donofrio G, Slike B, Zhao H, Wong K, Chen L, Miller S, Lee J, Ahani B, Lepore S, Muhammad S, Grande R, Tran U, Dussupt V, Mendez-Rivera L, Nitayaphan S, Kaewkungwal J, Pitisuttithum P, Rerks-Ngarm S, O'Connell RJ, Janes H, Gilbert PB, Gramzinski R, Vasan S, Robb ML, Michael NL, Krebs SJ, Herbeck JT, Edlefsen PT, Mullins JI, Kim JH, Tovanabutra S, Rolland M. RV144 vaccine imprinting constrained HIV-1 evolution following breakthrough infection. Virus Evol 2021; 7:veab057. [PMID: 34532060 PMCID: PMC8438874 DOI: 10.1093/ve/veab057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 05/26/2021] [Accepted: 06/09/2021] [Indexed: 02/01/2023] Open
Abstract
The scale of the HIV-1 epidemic underscores the need for a vaccine. The multitude of circulating HIV-1 strains together with HIV-1’s high evolvability hints that HIV-1 could adapt to a future vaccine. Here, we wanted to investigate the effect of vaccination on the evolution of the virus post-breakthrough infection. We analyzed 2,635 HIV-1 env sequences sampled up to a year post-diagnosis from 110 vaccine and placebo participants who became infected in the RV144 vaccine efficacy trial. We showed that the Env signature sites that were previously identified to distinguish vaccine and placebo participants were maintained over time. In addition, fewer sites were under diversifying selection in the vaccine group than in the placebo group. These results indicate that HIV-1 would possibly adapt to a vaccine upon its roll-out.
Collapse
Affiliation(s)
- Eric Lewitus
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | | | - Meera Bose
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | | | - Kultida Poltavee
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Yifan Li
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Hongjun Bai
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Thembi Mdluli
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Gina Donofrio
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Bonnie Slike
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Hong Zhao
- Department of Microbiology, University of Washington, Seattle, WA 98195, USA
| | - Kim Wong
- Department of Microbiology, University of Washington, Seattle, WA 98195, USA
| | - Lennie Chen
- Department of Microbiology, University of Washington, Seattle, WA 98195, USA
| | - Shana Miller
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Jenica Lee
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Bahar Ahani
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Steven Lepore
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Sevan Muhammad
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Rebecca Grande
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Ursula Tran
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Vincent Dussupt
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | | | - Sorachai Nitayaphan
- US Army Medical Directorate of the Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand
| | - Jaranit Kaewkungwal
- US Army Medical Directorate of the Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand
| | | | | | - Robert J O'Connell
- US Army Medical Directorate of the Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand
| | - Holly Janes
- Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N., Seattle, WA 98109, USA
| | - Peter B Gilbert
- Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N., Seattle, WA 98109, USA
| | - Robert Gramzinski
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Sandhya Vasan
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Merlin L Robb
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Nelson L Michael
- Center for Infectious Disease Research, WRAIR, Silver Spring, MD 20910, USA
| | - Shelly J Krebs
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | - Joshua T Herbeck
- Department of Global Health, University of Washington, Seattle, WA 98195, USA
| | - Paul T Edlefsen
- Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N., Seattle, WA 98109, USA
| | - James I Mullins
- Department of Microbiology, University of Washington, Seattle, WA 98195, USA
| | - Jerome H Kim
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| | | | - Morgane Rolland
- US Military HIV Research Program, WRAIR, Silver Spring, MD 20910, USA
| |
Collapse
|
4
|
Cale EM, Bai H, Bose M, Messina MA, Colby DJ, Sanders-Buell E, Dearlove B, Li Y, Engeman E, Silas D, O'Sullivan AM, Mann B, Pinyakorn S, Intasan J, Benjapornpong K, Sacdalan C, Kroon E, Phanuphak N, Gramzinski R, Vasan S, Robb ML, Michael NL, Lynch RM, Bailer RT, Pagliuzza A, Chomont N, Pegu A, Doria-Rose NA, Trautmann L, Crowell TA, Mascola JR, Ananworanich J, Tovanabutra S, Rolland M. Neutralizing antibody VRC01 failed to select for HIV-1 mutations upon viral rebound. J Clin Invest 2021; 130:3299-3304. [PMID: 32182219 PMCID: PMC7259993 DOI: 10.1172/jci134395] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 03/11/2020] [Indexed: 01/04/2023] Open
Abstract
Infusion of the broadly neutralizing antibody VRC01 has been evaluated in individuals chronically infected with HIV-1. Here, we studied how VRC01 infusions affected viral rebound after cessation of antiretroviral therapy (ART) in 18 acutely treated and durably suppressed individuals. Viral rebound occurred in all individuals, yet VRC01 infusions modestly delayed rebound and participants who showed a faster decay of VRC01 in serum rebounded more rapidly. Participants with strains most sensitive to VRC01 or with VRC01 epitope motifs similar to known VRC01-susceptible strains rebounded later. Upon rebound, HIV-1 sequences were indistinguishable from those sampled at diagnosis. Across the cohort, participant-derived Env showed different sensitivity to VRC01 neutralization (including 2 resistant viruses), yet neutralization sensitivity was similar at diagnosis and after rebound, indicating the lack of selection for VRC01 resistance during treatment interruption. Our results showed that viremia rebounded despite the absence of HIV-1 adaptation to VRC01 and an average VRC01 trough of 221 μg/mL. Although VRC01 levels were insufficient to prevent a resurgent infection, knowledge that they did not mediate Env mutations in acute-like viruses is relevant for antibody-based strategies in acute infection.
Collapse
Affiliation(s)
- Evan M Cale
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Hongjun Bai
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Meera Bose
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Michael A Messina
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Donn J Colby
- SEARCH, Thai Red Cross Research Center, Bangkok, Thailand
| | - Eric Sanders-Buell
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Bethany Dearlove
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Yifan Li
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Emily Engeman
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Daniel Silas
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Anne Marie O'Sullivan
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Brendan Mann
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Suteeraporn Pinyakorn
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | | | | | - Carlo Sacdalan
- SEARCH, Thai Red Cross Research Center, Bangkok, Thailand
| | - Eugène Kroon
- SEARCH, Thai Red Cross Research Center, Bangkok, Thailand
| | | | - Robert Gramzinski
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA
| | - Sandhya Vasan
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Merlin L Robb
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Nelson L Michael
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA
| | | | - Robert T Bailer
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | | | | | - Amarendra Pegu
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Nicole A Doria-Rose
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Lydie Trautmann
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Trevor A Crowell
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - John R Mascola
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Jintanat Ananworanich
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA.,SEARCH, Thai Red Cross Research Center, Bangkok, Thailand.,Department of Global Health, University of Amsterdam, Amsterdam, Netherlands
| | - Sodsai Tovanabutra
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Morgane Rolland
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | | |
Collapse
|
5
|
Crowell TA, Kijak GH, Sanders-Buell E, O'Sullivan AM, Kokogho A, Parker ZF, Lawlor J, Polyak CS, Adebajo S, Nowak RG, Baral SD, Robb ML, Charurat ME, Ake JA, Ndembi N, Tovanabutra S. Transmitted, pre-treatment and acquired antiretroviral drug resistance among men who have sex with men and transgender women living with HIV in Nigeria. Antivir Ther 2020; 24:595-601. [PMID: 32125280 DOI: 10.3851/imp3342] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2019] [Indexed: 01/09/2023]
Abstract
BACKGROUND Across sub-Saharan Africa, men who have sex with men (MSM) and transgender women (TGW) have disproportionately poor HIV treatment outcomes. Stigma and criminalization create barriers to health-care engagement and adherence to antiretroviral therapy (ART), potentially promoting the development of HIV drug resistance (HIVDR). We evaluated transmitted, pre-treatment and acquired HIVDR among MSM and TGW in Lagos and Abuja, Nigeria. METHODS Adults with HIV RNA ≥1,000 copies/ml in the TRUST/RV368 cohort, including incident cases diagnosed via 3-monthly screening, underwent HIVDR testing using the Sanger sequencing method. Major mutations conferring resistance to nucleoside reverse transcriptase inhibitors (NRTIs), non-nucleoside reverse transcriptase inhibitors (NNRTIs) and protease inhibitors (PIs) were identified from the 2017 IAS-USA list. World Health Organization surveillance drug resistance mutations (SDRMs) were identified in ART-naive participants. RESULTS From March 2013 to June 2017, 415 participants with median age 24 (interquartile range [IQR] 21-27) years, CD4+ T-cell count 370 (IQR 272-502) cells/mm3, and HIV RNA 4.73 (IQR 4.26-5.15) log10 copies/ml underwent HIVDR testing. SDRMs were observed in 36 of 373 ART-naive participants (9.7%, 95% confidence interval [95% CI 6.8, 13.1%]), including 8 of 39 incident cases (20.5%, [95% CI] 9.3, 36.5%). Among 42 ART-experienced participants, NNRTI resistance was detected in 18 (42.9%, 95% CI 27.7, 59.0%) and NRTI resistance in 10 (23.8%, 95% CI 12.0, 39.4%). No PI resistance was detected. CONCLUSIONS The high prevalence of transmitted and acquired drug resistance among Nigerian MSM and TGW living with HIV suggests the need for programmatic solutions to improve uninterrupted access to ART and timely switch to second-line regimens in cases of viral failure.
Collapse
Affiliation(s)
- Trevor A Crowell
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Gustavo H Kijak
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA.,Present address: GSK Vaccines, Rockville, MD, USA
| | - Eric Sanders-Buell
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Anne Marie O'Sullivan
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Afoke Kokogho
- US Army Medical Research Directorate-Africa, Nairobi, Kenya.,HJF Medical Research International, Abuja, Nigeria
| | - Zahra F Parker
- Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA.,US Army Medical Research Directorate-Africa, Nairobi, Kenya
| | - John Lawlor
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Christina S Polyak
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | | | - Rebecca G Nowak
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Stefan D Baral
- Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Merlin L Robb
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Manhattan E Charurat
- Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Julie A Ake
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | | | - Sodsai Tovanabutra
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.,Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | | |
Collapse
|
6
|
Song H, Bose M, Pinyakorn S, Sanders-Buell E, O'Sullivan AM, Silas D, Trichavaroj R, Nuntapinit B, Pham PT, Akapirat S, Kroon E, de Souza M, Gramzinski R, Michael NL, Robb ML, Vasan S, Tovanabutra S, Ananworanich J. Dynamics of Human Immunodeficiency Virus-1 Genetic Diversification During Acute Infection. Open Forum Infect Dis 2020; 7:ofaa429. [PMID: 33748316 PMCID: PMC7958800 DOI: 10.1093/ofid/ofaa429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 09/09/2020] [Indexed: 11/17/2022] Open
Abstract
We analyzed human immunodeficiency virus envelope diversity in 98 acute infections. The within-host genetic diversity, divergence from transmitted/founder (T/F) strain, and the observed frequency of multiple T/F infections increased with Fiebig stage. These data identify rapid viral dynamics during acute infection with implications for clinical trials conducted in this setting.
Collapse
Affiliation(s)
- Hongshuo Song
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA.,Institute of Human Virology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Meera Bose
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Suteeraporn Pinyakorn
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Eric Sanders-Buell
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Anne Marie O'Sullivan
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Daniel Silas
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Rapee Trichavaroj
- Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand
| | | | - Phuc T Pham
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Siriwat Akapirat
- Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand
| | - Eugène Kroon
- SEARCH, Thai Red Cross Research Centre, Bangkok, Thailand
| | - Mark de Souza
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA.,SEARCH, Thai Red Cross Research Centre, Bangkok, Thailand
| | - Robert Gramzinski
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Nelson L Michael
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA
| | - Merlin L Robb
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Sandhya Vasan
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Sodsai Tovanabutra
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA
| | - Jintanat Ananworanich
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, USA.,SEARCH, Thai Red Cross Research Centre, Bangkok, Thailand.,Department of Global Health, Amsterdam University Medical Centers, University of Amsterdam, and Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
| |
Collapse
|
7
|
Tovanabutra S, Sirijatuphat R, Pham PT, Bonar L, Harbolick EA, Bose M, Song H, Chang D, Oropeza C, O'Sullivan AM, Balinang J, Kroon E, Colby DJ, Sacdalan C, Hellmuth J, Chan P, Prueksakaew P, Pinyakorn S, Jagodzinski LL, Sutthichom D, Pattamaswin S, de Souza M, Gramzinski RA, Kim JH, Michael NL, Robb ML, Phanuphak N, Ananworanich J, Valcour V, Kijak GH, Sanders-Buell E, Spudich S. Deep Sequencing Reveals Central Nervous System Compartmentalization in Multiple Transmitted/Founder Virus Acute HIV-1 Infection. Cells 2019; 8:E902. [PMID: 31443253 PMCID: PMC6721674 DOI: 10.3390/cells8080902] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/10/2019] [Accepted: 08/11/2019] [Indexed: 01/31/2023] Open
Abstract
HIV-1 disseminates to a broad range of tissue compartments during acute HIV-1 infection (AHI). The central nervous system (CNS) can serve as an early and persistent site of viral replication, which poses a potential challenge for HIV-1 remission strategies that target the HIV reservoir. CNS compartmentalization is a key feature of HIV-1 neuropathogenesis. Thus far, the timing of how early CNS compartmentalization develops after infection is unknown. We examined whether HIV-1 transmitted/founder (T/F) viruses differ between CNS and blood during AHI using single-genome sequencing of envelope gene and further examined subregions in pol and env using next-generation sequencing in paired plasma and cerebrospinal fluid (CSF) from 18 individuals. Different proportions of mostly minor variants were found in six of the eight multiple T/F-infected individuals, indicating enrichment of some variants in CSF that may lead to significant compartmentalization in the later stages of infection. This study provides evidence for the first time that HIV-1 compartmentalization in the CNS can occur within days of HIV-1 exposure in multiple T/F infections. Further understanding of factors that determine enrichment of T/F variants in the CNS, as well as potential long-term implications of these findings for persistence of HIV-1 reservoirs and neurological impairment in HIV, is needed.
Collapse
Affiliation(s)
- Sodsai Tovanabutra
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA.
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA.
| | - Rujipas Sirijatuphat
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Phuc T Pham
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Lydia Bonar
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Elizabeth A Harbolick
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Meera Bose
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Hongshuo Song
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - David Chang
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Celina Oropeza
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Anne Marie O'Sullivan
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Joyce Balinang
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Eugene Kroon
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok 10330, Thailand
| | - Donn J Colby
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok 10330, Thailand
| | - Carlo Sacdalan
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok 10330, Thailand
| | - Joanna Hellmuth
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, CA 94158, USA
| | - Phillip Chan
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok 10330, Thailand
| | | | - Suteeraporn Pinyakorn
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Linda L Jagodzinski
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | | | | | - Mark de Souza
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok 10330, Thailand
| | - Robert A Gramzinski
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
| | - Jerome H Kim
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- International Vaccine Institute, Seoul 08826, Korea
| | - Nelson L Michael
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Merlin L Robb
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Nittaya Phanuphak
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok 10330, Thailand
| | - Jintanat Ananworanich
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
- SEARCH, Thai Red Cross AIDS Research Centre, Bangkok 10330, Thailand
- Academic Medical Center, Department of Global Health, University of Amsterdam, 1105AZ Amsterdam, The Netherlands
| | - Victor Valcour
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, CA 94158, USA
| | - Gustavo H Kijak
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Eric Sanders-Buell
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD 20817, USA
| | - Serena Spudich
- Department of Neurology, Yale University; New Haven, CT 06510, USA
| |
Collapse
|
8
|
Kijak GH, Sanders-Buell E, Pham P, Harbolick EA, Oropeza C, O'Sullivan AM, Bose M, Beckett CG, Milazzo M, Robb ML, Peel SA, Scott PT, Michael NL, Armstrong AW, Kim JH, Brett-Major DM, Tovanabutra S. Next-generation sequencing of HIV-1 single genome amplicons. Biomol Detect Quantif 2019; 17:100080. [PMID: 30923677 PMCID: PMC6423504 DOI: 10.1016/j.bdq.2019.01.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 01/18/2019] [Accepted: 01/29/2019] [Indexed: 12/14/2022]
Abstract
The analysis of HIV-1 sequences has helped understand the viral molecular epidemiology, monitor the development of antiretroviral drug resistance, and design candidate vaccines. The introduction of single genome amplification (SGA) has been a major advancement in the field, allowing for the characterization of multiple sequences per patient while preserving linkage among polymorphisms in the same viral genome copy. Sequencing of SGA amplicons is performed by capillary Sanger sequencing, which presents low throughput, requires a high amount of template, and is highly sensitive to template/primer mismatching. In order to meet the increasing demand for HIV-1 SGA amplicon sequencing, we have developed a platform based on benchtop next-generation sequencing (NGS) (IonTorrent) accompanied by a bioinformatics pipeline capable of running on computer resources commonly available at research laboratories. During assay validation, the NGS-based sequencing of 10 HIV-1 env SGA amplicons was fully concordant with Sanger sequencing. The field test was conducted on plasma samples from 10 US Navy and Marine service members with recent HIV-1 infection (sampling interval: 2005–2010; plasma viral load: 5,884–194,984 copies/ml). The NGS analysis of 101 SGA amplicons (median: 10 amplicons/individual) showed within-individual viral sequence profiles expected in individuals at this disease stage, including individuals with highly homogeneous quasispecies, individuals with two highly homogeneous viral lineages, and individuals with heterogeneous viral populations. In a scalability assessment using the Ion Chef automated system, 41/43 tested env SGA amplicons (95%) multiplexed on a single Ion 318 chip showed consistent gene-wide coverage >50×. With lower sample requirements and higher throughput, this approach is suitable to support the increasing demand for high-quality and cost-effective HIV-1 sequences in fields such as molecular epidemiology, and development of preventive and therapeutic strategies.
Collapse
Affiliation(s)
- Gustavo H Kijak
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | - Eric Sanders-Buell
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | - Phuc Pham
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | - Elizabeth A Harbolick
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | - Celina Oropeza
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | - Anne Marie O'Sullivan
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | - Meera Bose
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | | | - Mark Milazzo
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | - Merlin L Robb
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| | - Sheila A Peel
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Paul T Scott
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Nelson L Michael
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | | | - Jerome H Kim
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - David M Brett-Major
- Department of Preventive Medicine and Biostatistics, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD, United States
| | - Sodsai Tovanabutra
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, United States.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States
| |
Collapse
|
9
|
Chang D, Sanders‐Buell E, Bose M, O'Sullivan AM, Pham P, Kroon E, Colby DJ, Sirijatuphat R, Billings E, Pinyakorn S, Chomchey N, Rutvisuttinunt W, Kijak G, de Souza M, Excler J, Phanuphak P, Phanuphak N, O'Connell RJ, Kim JH, Robb ML, Michael NL, Ananworanich J, Tovanabutra S. Molecular epidemiology of a primarily MSM acute HIV-1 cohort in Bangkok, Thailand and connections within networks of transmission in Asia. J Int AIDS Soc 2018; 21:e25204. [PMID: 30601598 PMCID: PMC6282942 DOI: 10.1002/jia2.25204] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 10/16/2018] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Thailand plays a substantial role in global HIV-1 transmission of CRF01_AE. Worldwide, men who have sex with men (MSM) are at elevated risk for HIV-1 infection. Hence, understanding HIV-1 diversity in a primarily Thai MSM cohort with acute infection, and its connections to the broader HIV-1 transmission network in Asia is crucial for research and development of HIV-1 vaccines, treatment and cure. METHODS Subtypes and diversity of infecting viruses from individuals sampled from 2009 to 2015 within the RV254/SEARCH 010 cohort were assessed by multiregion hybridization assay (MHAbce), multiregion subtype-specific PCR assay (MSSPbce) and full-length single-genome sequencing (SGS). Phylogenetic analysis was performed by maximum likelihood. Pairwise genetic distances of envelope gp160 sequences obtained from the cohort and from Asia (Los Alamos National Laboratory HIV Database) were calculated to identify potential transmission networks. RESULTS MHAbce/MSSPbce results identified 81.6% CRF01_AE infecting strains in RV254. CRF01_AE/B recombinants and subtype B were found at 7.3% and 2.8% respectively. Western subtype B strains outnumbered Thai B' strains. Phylogenetic analysis revealed one C, one CRF01_AE/CRF02_AG recombinant and one CRF01_AE/B/C recombinant. Asian network analysis identified one hundred and twenty-three clusters, including five clusters of RV254 participants. None of the RV254 sequences clustered with non-RV254 sequences. The largest international cluster involved 15 CRF01_AE strains from China and Vietnam. The remaining clusters were mostly intracountry connections, of which 31.7% included Thai nodes and 43.1% included Chinese nodes. CONCLUSION While the majority of strains in Thailand are CRF01_AE and subtype B, emergence of unique recombinant forms (URFs) are found in a moderate fraction of new HIV-1 infections. Approaches to vaccine design and immunotherapeutics will need to monitor and consider the expanding proportion of recombinants and the increasing genetic diversity in the region. Identified HIV-1 transmission networks indicate ongoing spread of HIV-1 among MSM. As HIV-1 epidemics continue to expand in other Asian countries, transmission network analyses can inform strategies for prevention, intervention, treatment and cure.
Collapse
Affiliation(s)
- David Chang
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | - Eric Sanders‐Buell
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | - Meera Bose
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | - Anne Marie O'Sullivan
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | - Phuc Pham
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | | | | | - Rujipas Sirijatuphat
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- Department of MedicineFaculty of Medicine Siriraj HospitalMahidol UniversityBangkokThailand
| | - Erik Billings
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | - Suteeraporn Pinyakorn
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | | | - Wiriya Rutvisuttinunt
- Department of RetrovirologyArmed Forces Research Institute of Medical SciencesBangkokThailand
- Viral Diseases BranchWalter Reed Army Institute of ResearchSilver SpringMDUSA
| | - Gustavo Kijak
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
- Present address:
GSK VaccinesRockvilleMDUSA
| | - Mark de Souza
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
- SEARCHBangkokThailand
| | - Jean‐Louis Excler
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | | | | | - Robert J O'Connell
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- Department of RetrovirologyArmed Forces Research Institute of Medical SciencesBangkokThailand
| | - Jerome H Kim
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- International Vaccine InstituteSeoulSouth Korea
| | - Merlin L Robb
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | - Nelson L Michael
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
| | - Jintanat Ananworanich
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
- SEARCHBangkokThailand
- Department of Global HealthAcademic Medical CenterUniversity of AmsterdamAmsterdamThe Netherlands
| | - Sodsai Tovanabutra
- United States Military HIV Research ProgramWalter Reed Army Institute of ResearchSilver SpringMDUSA
- The Henry M. Jackson Foundation for the Advancement of Military MedicineBethesdaMDUSA
| | | |
Collapse
|
10
|
Kijak GH, Sanders-Buell E, Chenine AL, Eller MA, Goonetilleke N, Thomas R, Leviyang S, Harbolick EA, Bose M, Pham P, Oropeza C, Poltavee K, O'Sullivan AM, Billings E, Merbah M, Costanzo MC, Warren JA, Slike B, Li H, Peachman KK, Fischer W, Gao F, Cicala C, Arthos J, Eller LA, O'Connell RJ, Sinei S, Maganga L, Kibuuka H, Nitayaphan S, Rao M, Marovich MA, Krebs SJ, Rolland M, Korber BT, Shaw GM, Michael NL, Robb ML, Tovanabutra S, Kim JH. Correction: Rare HIV-1 transmitted/founder lineages identified by deep viral sequencing contribute to rapid shifts in dominant quasispecies during acute and early infection. PLoS Pathog 2017; 13:e1006620. [PMID: 28910384 PMCID: PMC5599052 DOI: 10.1371/journal.ppat.1006620] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
[This corrects the article DOI: 10.1371/journal.ppat.1006510.].
Collapse
|
11
|
O'Neill DG, O'Sullivan AM, Manson EA, Church DB, Boag AK, McGreevy PD, Brodbelt DC. Canine dystocia in 50 UK first-opinion emergency care veterinary practices: prevalence and risk factors. Vet Rec 2017; 181:88. [PMID: 28526775 DOI: 10.1136/vr.104108] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- D G O'Neill
- Royal Veterinary College, Hawkshead Lane, Hatfield, UK
| | | | - E A Manson
- Royal Veterinary College, Hawkshead Lane, Hatfield, UK
| | - D B Church
- Royal Veterinary College, Hawkshead Lane, Hatfield, UK
| | - A K Boag
- Vets Now, Penguin House, Dunfermline, UK
| | | | - D C Brodbelt
- Royal Veterinary College, Hawkshead Lane, Hatfield, UK
| |
Collapse
|
12
|
Heipertz RA, Ayemoba O, Sanders-Buell E, Poltavee K, Pham P, Kijak GH, Lei E, Bose M, Howell S, O'Sullivan AM, Bates A, Cervenka T, Kuroiwa J, Akintunde A, Ibezim O, Alabi A, Okoye O, Manak M, Malia J, Peel S, Maisaka M, Singer D, O’Connell RJ, Robb ML, Kim JH, Michael NL, Njoku O, Tovanabutra S. Significant contribution of subtype G to HIV-1 genetic complexity in Nigeria identified by a newly developed subtyping assay specific for subtype G and CRF02_AG. Medicine (Baltimore) 2016; 95:e4346. [PMID: 27512845 PMCID: PMC4985300 DOI: 10.1097/md.0000000000004346] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
While abundant sequence information is available from human immunodeficiency virus type 1 (HIV-1) subtypes A, B, C and CRF01_AE for HIV-1 vaccine design, sequences from West Africa are less represented. We sought to augment our understanding of HIV-1 variants circulating in 6 Nigerian cities as a step to subsequent HIV-1 vaccine development.The G/CRF02_AG multi-region hybridization assay (MHA) was developed to differentiate subtype G, CRF02_AG and their recombinants from other subtypes based on 7 HIV-1 segments. Plasma from 224 HIV-1 infected volunteers enrolled in a cohort examining HIV-1 prevalence, risk factor, and subtype from Makurdi (30), Abuja (18), Enugu (11), Kaduna (12), Tafa (95), and Ojo/Lagos (58) was analyzed using MHA. HIV-1 genomes from 42 samples were sequenced to validate the MHA and fully explore the recombinant structure of G and CRF02_AG variants.The sensitivity and specificity of MHA varied between 73-100% and 90-100%, respectively. The subtype distribution as identified by MHA among 224 samples revealed 38% CRF02_AG, 28% G, and 26% G/CRF02_AG recombinants while 8% remained nontypeable strains. In envelope (env) gp120, 38.84% of the samples reacted to a G probe while 31.25% reacted to a CRF02 (subtype A) probe. Full genome characterization of 42 sequences revealed the complexity of Nigerian HIV-1 variants.CRF02_AG, subtype G, and their recombinants were the major circulating HIV-1 variants in 6 Nigerian cities. High proportions of samples reacted to a G probe in env gp120 confirms that subtype G infections are abundant and should be considered in strategies for global HIV-1 vaccine development.
Collapse
Affiliation(s)
- Richard A. Heipertz
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Ojor Ayemoba
- Emergency Plan Implementation Committee, Nigerian Ministry of Defense, Abuja, Nigeria
| | - Eric Sanders-Buell
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Kultida Poltavee
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Phuc Pham
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Gustavo H. Kijak
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Esther Lei
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Meera Bose
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Shana Howell
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Anne Marie O'Sullivan
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Adam Bates
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Taylor Cervenka
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Janelle Kuroiwa
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | | | - Onyekachukwu Ibezim
- Emergency Plan Implementation Committee, Nigerian Ministry of Defense, Abuja, Nigeria
| | - Abraham Alabi
- US Military HIV Research Program (HJF-MRI), Abuja, Nigeria
- Centre de Recherches Medicales de Lambarene (CERMEL) Fondation Internationale de l’Hôpital Albert Schweitzer Lambarene, Gabon
| | - Obumneke Okoye
- Emergency Plan Implementation Committee, Nigerian Ministry of Defense, Abuja, Nigeria
| | - Mark Manak
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Jennifer Malia
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- United States Public Health Service, Rockville, Maryland
| | - Sheila Peel
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | | | - Darrell Singer
- United States Public Health Service, Rockville, Maryland
- Department of Defense HIV Program, Abuja, Nigeria
| | - Robert J. O’Connell
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Merlin L. Robb
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Jerome H. Kim
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Nelson L. Michael
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | | | - Sodsai Tovanabutra
- US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, Maryland
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| |
Collapse
|
13
|
Merbah M, Kijak G, Eller LA, Sanders-Buell E, Mann BT, Pillis DM, O'Sullivan AM, Bose M, Lee JL, Poltavee K, Michael N, Kim J, Robb M, Tovanabutra S, Chenine AL. Real Time Fitness Assay of Two CRF01_A/E HIV-1 Transmitted Founder Variants. AIDS Res Hum Retroviruses 2014. [DOI: 10.1089/aid.2014.5495.abstract] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | | | | | | | | | | | | | - Meera Bose
- MHRP/WRAIR/HJF, Silver Spring, MD, United States
| | | | | | | | - Jerome Kim
- MHRP/WRAIR/HJF, Silver Spring, MD, United States
| | - Merlin Robb
- MHRP/WRAIR/HJF, Silver Spring, MD, United States
| | | | | |
Collapse
|
14
|
Kijak GH, Sanders-Buell E, Chenine AL, Eller M, Goonetilleke N, Thomas R, Leviyang S, Harbolick E, Bose M, Pham P, Oropeza C, Poltavee K, O'Sullivan AM, Merbah M, Costanzo M, Li H, Fischer W, Gao F, Eller LA, O'Connell RJ, Sinei S, Maganga L, Kibuuka H, Nitayaphan S, Rolland M, Korber B, McCutchan F, Shaw G, Michael N, Robb M, Tovanabutra S, Kim J. Cryptic Multiple HIV-1 Infection Revealed by Early, Frequent, and Deep Sampling during Acute Infection. AIDS Res Hum Retroviruses 2014. [DOI: 10.1089/aid.2014.5102a.abstract] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Gustavo Hernan Kijak
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Eric Sanders-Buell
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Agnes-Laurance Chenine
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Michael Eller
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Nilu Goonetilleke
- School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Rasmi Thomas
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Sivan Leviyang
- Department of Mathematics and Statistics, Georgetown University, Washington, DC, United States
| | - Elizabeth Harbolick
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Meera Bose
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Phuc Pham
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Celina Oropeza
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Kultida Poltavee
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Anne Marie O'Sullivan
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Melanie Merbah
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Margaret Costanzo
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Hui Li
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Will Fischer
- Theoretical Biology, Los Alamos National Laboratory, Los Alamos, NM, United States
| | - Feng Gao
- Duke Human Vaccine Institute, Duke University Medical Center, Durham, NC, United States
| | - Leigh Anne Eller
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | | | | | - Lucas Maganga
- Mbeya Medical Research Programme, Mbeya, Tanzania, United Republic of
| | - Hannah Kibuuka
- Makerere University-Walter Reed Project, Kampala, Uganda
| | | | - Morgane Rolland
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Bette Korber
- Theoretical Biology, Los Alamos National Laboratory, Los Alamos, NM, United States
| | | | - George Shaw
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Nelson Michael
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Merlin Robb
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Sodsai Tovanabutra
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
- U.S. Military HIV Research Program (MHRP)/ Henry M. Jackson Foundation, Silver Spring, MD, United States
| | - Jerome Kim
- U.S. Military HIV Research Program (MHRP), Walter Reed Army Institute of Research, Silver Spring, MD, United States
| |
Collapse
|
15
|
O'Sullivan AM, O'Callaghan YC, O'Grady MN, Queguineur B, Hanniffy D, Troy DJ, Kerry JP, O'Brien NM. Assessment of the ability of seaweed extracts to protect against hydrogen peroxide and tert-butyl hydroperoxide induced cellular damage in Caco-2 cells. Food Chem 2012; 134:1137-40. [PMID: 23107739 DOI: 10.1016/j.foodchem.2012.02.205] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Revised: 01/18/2012] [Accepted: 02/29/2012] [Indexed: 12/31/2022]
Abstract
The ability of brown seaweed extracts, Ascophyllum nodosum, Laminaria hyperborea, Pelvetia canaliculata, Fucus vesiculosus and Fucus serratus to protect against tert-butyl hydroperoxide (tert-BOOH) induced stress in Caco-2 cells was investigated. Oxidative stress was determined by measuring alteration in the enzymatic activity of catalase (CAT) and superoxide dismutases (SOD) and cellular levels of glutathione (GSH). L. hyperborea, P. canaliculata and F. serratus significantly protected against tert-BOOH induced SOD reduction but did not protect against the reduction in CAT activity or the increased cellular levels of GSH. The ability of F. serratus and F. vesiculosus to protect against H(2)O(2) and tert-BOOH induced DNA damage was also assessed. The DNA protective effects of the two seaweed extracts was compared to those of three metal chelators; deferoxamine mesylate (DFO), 1,10-phenanthroline (o-phen) and 1,2-Bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid tetrakis (BAPTA-AM). F. serratus and F. vesiculosus significantly protected (P<0.05) against H(2)O(2) (50 μM) induced DNA damage but not tert-BOOH induced damage.
Collapse
Affiliation(s)
- A M O'Sullivan
- School of Food and Nutritional Sciences, University College, Cork, Ireland
| | | | | | | | | | | | | | | |
Collapse
|
16
|
Wagner SJ, Skripchenko A, Salata J, O'Sullivan AM, Cardo LJ. Inactivation of Leishmania donovani infantum and Trypanosoma cruzi in red cell suspensions with thiazole orange. Transfusion 2008; 48:1363-7. [PMID: 18422841 DOI: 10.1111/j.1537-2995.2008.01712.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Methods for pathogen inactivation are currently available in some European countries for treatment of plasma and platelet (PLT) components; no approved method for treatment of red cells (RBCs) or whole blood is ready for implementation. In a previous study, thiazole orange (TO), a dye commonly used to count reticulated RBCs and PLTs, exhibited potent photoactivity against human immunodeficiency virus-1 and several model viruses in RBC suspensions. The aim of this study is to further evaluate the ability of TO to inactivate pathogens by measuring its activity against the protozoa Leishmania donovani infantum and Trypanosoma cruzi. STUDY DESIGN AND METHODS RBC suspensions were deliberately contaminated with L. donovani infantum promastigotes or T. cruzi trypomastigotes and either maintained as an untreated control, incubated with 80 mumol per L TO in the dark, or treated with TO and light. Control and treated samples were inoculated into medium and subsequently microscopically examined for growth. RESULTS No growth was observed in samples treated with TO in the presence or absence of light, while matched control samples lacking TO and diluted up to 5 log consistently demonstrated Leishmania or T. cruzi growth (n = 3). CONCLUSION TO inactivated Leishmania or T. cruzi to the limit of detection in RBC suspensions without intentional illumination.
Collapse
Affiliation(s)
- Stephen J Wagner
- American Red Cross, Holland Laboratory for the Biomedical Sciences, Blood Components Department, Rockville, Maryland 20855, USA.
| | | | | | | | | |
Collapse
|
17
|
Bakaltcheva I, O'Sullivan AM, Hmel P, Ogbu H. Freeze-dried whole plasma: Evaluating sucrose, trehalose, sorbitol, mannitol and glycine as stabilizers. Thromb Res 2007; 120:105-16. [PMID: 16962645 DOI: 10.1016/j.thromres.2006.07.005] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2006] [Revised: 06/28/2006] [Accepted: 07/25/2006] [Indexed: 12/01/2022]
Abstract
Several groups report stability results for freeze-dried whole plasma intended for use as a transfusion product [Hellstern P, Sachse H, Schwinn H, Oberfrank K. Manufacture and in vitro characterization of a solvent/detergent-treated human plasma. Vox Sang 1992;63:178-185; Trobisch H. Results of a quality-control study of lyophilized pooled plasmas which have been virally inactivated using a solvent detergent method (modified Horowitz procedure). Beitr Infusionsther 1991;28:92-109; Hugler P, Trobish H, Neuman H, Moller, Sirtl C, Derdak M, Laubenthal H. Quality control of three different conventional fresh-frozen plasma preparations and one new virus-inactivated lyophilized pooled plasma preparation. Klin Wochenschr 1991;69:157-161; Krutvacho T, Chuansumrit A, Isarangkura P, Pintadit P, Hathirat P, Chiewsilp P. Response of hemophilia with bleeding to fresh dry plasma. Southeast Asian J Trop Med Public Health 1993;24:169-173; Chuansumrit A, Krasaesub S, Angchaisuksiri P, Hathirat P, Isarangkura P. Survival analysis of patients with haemophilia at the International Haemophilia Training Centre, Bangkok, Thailand. Haemophilia 2004;10:542-549]. Plasma coagulation properties are substantially impaired in these freeze-dried plasmas, while pH levels are close to alkaline. In this work, plasma supplemented with 60mM sucrose, trehalose, mannitol, sorbitol or glycine was freeze-dried. The samples were subjected to forced degradation at 40 degrees C for 10 days in order to quickly evaluate the effectiveness of the different stabilizers. Initial PT, APTT and TT values were 14.4+/-0. 5s, 31.4+/-1.5s and 18.3+/-0.6s, respectively. At the end of the degradation period, PT, APTT and TT were substantially prolonged, and were 19.1+/-0. 5s, 43.1+/-0.6s and 26.1+/-1.0s, respectively. In the presence of glycine, at the end of the degradation period, PT, APTT and TT values remained close to the initial values and were 15.5+/-0. 4s, 35.7+/-0.9s and 19.4+/-0.2s, respectively. Percent activities of the coagulation factors V, VII, VIII, IX, X and the coagulation inhibitors protein C, protein S and antithrombin III were recorded. Factors V and VIII were most prone to degradation. Factor V and VIII activities, in control plasma, were approx. 44+/-3.5% and 58+/-2.3%, at the end of storage. In contrast, much higher factor V and VIII activities were maintained in the lyophilized glycine-supplemented plasma: approx. 60+/-3.5% and 74+/-7.0%, correspondingly. The most stable protein was protein C, which showed no signs of degradation under the testing conditions of this study. All tested stabilizers provided protection. Glycine, however, outperformed all tested polyols, providing superior preservation of plasma clotting properties. Thermograms of 60mM glycine in water and 60mM glycine in plasma show that, in the presence of plasma, glycine does not crystallize. The process of freeze-drying caused a complete loss of plasma pCO(2) (gas) and a substantial increase in plasma pH. Citric acid was found to be a suitable pH adjuster for lyophilized/rehydrated plasma.
Collapse
Affiliation(s)
- Irina Bakaltcheva
- Department of Blood Research, Walter Reed Army Research Institute, 503 Robert Grant Avenue, Silver Spring, MD 20910, USA.
| | | | | | | |
Collapse
|
18
|
Gower JD, Baldock RJ, O'Sullivan AM, Doré CJ, Coid CR, Green CJ. Protection against endotoxin-induced foetal resorption in mice by desferrioxamine and ebselen. Int J Exp Pathol 1990; 71:433-40. [PMID: 2205283 PMCID: PMC2002279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Endotoxin was administered to mice on their 13th day of pregnancy at doses which caused the resorption of approximately 50% of the implanted foetuses. The iron chelator desferrioxamine was found to significantly inhibit the percentage of resorptions induced by endotoxin in a dose-dependent manner. The highest dose of desferrioxamine (5 mg) given intravenously 30 min prior to, immediately after, and 4 and 24 h after endotoxin inoculation, reduced the percentage of resorptions from 56.9 to 17.9%. Administration of the novel selenium-containing compound ebselen, which is both an antioxidant and an inhibitor of leukotriene synthesis, was also found to significantly protect against endotoxin-induced foetal resorptions, reducing the percentage of resorbed foetuses from 52.9 to 26.0% when given at a dose of 50 mg/kg (s.c.) at the time of endotoxin inoculation and 24 and 48 h following. Both these compounds also significantly reduced the increase in spleen weights observed when the mice were given endotoxin. These results provide evidence that the iron-catalysed production of hydroxyl radicals from other oxygen-derived species and the formation of leukotrienes play an important role in the mechanism by which endotoxin causes foetal resorptions in the mouse.
Collapse
Affiliation(s)
- J D Gower
- Section of Surgical Research, Clinical Research Centre, Harrow, Middlesex, UK
| | | | | | | | | | | |
Collapse
|
19
|
O'Sullivan AM, Doré CJ, Boyle S, Coid CR, Johnson AP. The effect of campylobacter lipopolysaccharide on fetal development in the mouse. J Med Microbiol 1988; 26:101-5. [PMID: 2968457 DOI: 10.1099/00222615-26-2-101] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Purified lipopolysaccharide (LPS) obtained from isolates of Campylobacter fetus ss. fetus and Campylobacter jejuni impaired fetal development when administered to mice on day 13 of pregnancy. Strikingly more fetal resorption was produced by C. jejuni LPS than by similar amounts of C. fetus ss. fetus LPS. Three of the four Campylobacter strains examined produced LPS that had no effect on maternal health, but LPS from one C. jejuni strain killed all of the mice to which it was administered.
Collapse
Affiliation(s)
- A M O'Sullivan
- Division of Comparative Medicine, Clinical Research Centre, Harrow, Middlesex
| | | | | | | | | |
Collapse
|
20
|
Abstract
Intravenous injection of eight human strains of Campylobacter fetus ss fetus and Campylobacter jejuni into mice at various stages of pregnancy demonstrated significant strain differences in ability to affect implantation of the fertilised ovum and to cause resorption of the mouse fetus. Implantation was significantly impaired when C. fetus ss fetus was injected intravenously on day 2 of pregnancy, but no effect was observed in mice receiving C. jejuni. On day 6 of pregnancy, before the development of placental circulation, both C. fetus ss fetus and C. jejuni impaired fetal growth; one strain of C. jejuni had a greater effect than others of the same species. In animals inoculated on day 13 of pregnancy, after the development of placental circulation, six of the eight campylobacter strains caused resorption of the mouse embryos. A similar effect on the embryos was observed after injection of heat-killed organisms, and endotoxin-like substances may have been responsible. It is also suggested that factors other than endotoxin-like substances have a deleterious effect on embryonic growth.
Collapse
Affiliation(s)
- A M O'Sullivan
- Division of Comparative Medicine, Clinical Research Centre, Harrow
| | | | | |
Collapse
|
21
|
Abstract
Pregnant guinea pigs were used to compare the virulence of four human isolates of Campylobacter fetus ss. fetus and four of C. jejuni on the basis of their ability to cause abortion and bacteraemia. Of the four strains of C. fetus ss. fetus two produced abortion readily after intramuscular injection. The four C. jejuni isolates were, however, of comparatively low virulence and no differences between them were demonstrated. Some of the isolates differed in their ability to survive in vitro in human and guinea-pig serum. It is suggested that campylobacters vary in their virulence for man and that this may influence the outcome of infections. Guinea pigs may prove useful in studying the pathogenesis of systemic campylobacter infections.
Collapse
|
22
|
Abstract
Eight-day pregnant mice were found to be more resistant to the lethal effects of group B streptococci than those which were 17 days pregnant. From studies on the multiplication of the organisms in vivo it is suggested that the apparent enhancement of the infection in the 17-day pregnant animals is due to the lethal effects of the greater number of streptococci found in their tissues.
Collapse
|
23
|
Abstract
Information on employment was obtained from 157 adults with spina bifida aged 18-26 years. Ninety were given an additional interview, 43% had been employed at some time, but only 19% currently. They mainly did routine, non-manual work for average working hours, but below average pay. They enjoyed their jobs, principally for the social contact, and were well accepted by employees and work-mates. Unfortunately, job retention was poor. The 81% who were unemployed largely hoped to find a job, but suitable ones were not available. They considered that they should have more help to find jobs. Their days were mainly spent at home or at day centres. They had no doubts that being unemployed had many disadvantages, of which the principal one was lack of social contact, but financial hardship was also mentioned.
Collapse
|
24
|
Abstract
Questionnaire data were obtained from 137 spina bifida adults aged 18-25 years and additional more sensitive information was obtained by interviewing 35 of them. Although 52% had attended college, many found the courses of little relevance to finding employment. 45% had been employed at some time, but only 23% were presently employed. Employability was significantly related to degree of handicap, and job retention was significantly higher in males. 14% lived away from home, but many more wished to do so. Only 3% were married and 24% had a boyfriend / girlfriend . The most common health problems were of the urinary tract (38%) and pressure sores (26%).
Collapse
|
25
|
Donnelly BJ, Donnelly DM, O'Sullivan AM. Dalbergia species: constitution of melannein. Chem Ind 1966; 35:1498. [PMID: 5913876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
|