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Tassaneetrithep B, Phuphuakrat A, Pasomsub E, Bhukhai K, Wongkummool W, Priengprom T, Khamaikawin W, Chaisavaneeyakorn S, Anurathapan U, Apiwattanakul N, Hongeng S. HIV-1 proviral DNA in purified peripheral blood CD34 + stem and progenitor cells in individuals with long-term HAART; paving the way to HIV gene therapy. Heliyon 2024; 10:e26613. [PMID: 38434025 PMCID: PMC10906414 DOI: 10.1016/j.heliyon.2024.e26613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 02/03/2024] [Accepted: 02/16/2024] [Indexed: 03/05/2024] Open
Abstract
Human immunodeficiency virus (HIV)-1 infection is an important public health problem worldwide. After primary HIV-1 infection, transcribed HIV-1 DNA is integrated into the host genome, serving as a reservoir of the virus and hindering a definite cure. Although highly active antiretroviral therapy suppresses active viral replication, resulting in undetectable levels of HIV RNA in the blood, a viral rebound can be detected after a few weeks of treatment interruption. This supports the concept that there is a stable HIV-1 reservoir in people living with HIV-1. Recently, a few individuals with HIV infection were reported to be probably cured by hematopoietic stem transplantation (HSCT). The underlying mechanism for this success involved transfusion of uninfected hematopoietic stem and progenitor cells (HSPCs) from CCR5-mutated donors who were naturally resistant to HIV infection. Thus, gene editing technology to provide HIV-resistant HSPC has promise in the treatment of HIV infections by HSCT. In this study, we aimed to find HIV-infected individuals likely to achieve a definite cure via gene editing HSCT. We screened for total HIV proviral DNA by Alu PCR in peripheral blood mononuclear cells (PBMCs) of 20 HIV-infected individuals with prolonged viral suppression. We assessed the amount of intact proviral DNA via a modified intact proviral DNA assay (IPDA) in purified peripheral CD34+ HSPCs. PBMCs from all 20 individuals were positive for the gag gene in Alu PCR, and peripheral CD34+ HSPCs were IPDA-negative for six individuals. Our results suggested that these six HIV-infected individuals could be candidates for further studies into the ability of gene editing HSCT to lead to a definite HIV cure.
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Affiliation(s)
- Boonrat Tassaneetrithep
- Center of Research Excellence in Immunoregulation, Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand
| | - Angsana Phuphuakrat
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Ekawat Pasomsub
- Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Kanit Bhukhai
- Department of Physiology, Faculty of Science, Mahidol University, Thailand
| | | | - Thongkoon Priengprom
- Center of Research Excellence in Immunoregulation, Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand
| | - Wannisa Khamaikawin
- Faculty of Medicine, King Mongkut's Institute of Technology Ladkrabang, Thailand
| | | | - Usanarat Anurathapan
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Nopporn Apiwattanakul
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Suradej Hongeng
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
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Hendricks CL, Mellet J, Durandt C, Brittain D, Pepper MS. Haematopoietic stem-cell transplantation in an HIV endemic area: time to consider donors exposed to or living with HIV. Lancet HIV 2023; 10:e742-e749. [PMID: 37837978 DOI: 10.1016/s2352-3018(23)00198-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 07/24/2023] [Accepted: 07/31/2023] [Indexed: 10/16/2023]
Abstract
South Africa has more than 8 million people living with HIV. However, the number of patients undergoing haematopoietic stem-cell transplantation (HSCT) in South Africa is far below the target number. Donor numbers are insufficient to meet demand. Both HSCT and solid organ transplantation have proved successful in people living with HIV. Solid organ transplantation also has good outcomes when both donors and recipients have HIV. This Personal View explores the possible inclusion of people living with HIV and umbilical cord blood from HIV-negative infants exposed to HIV as donor sources for HSCT. Beyond the risk of HIV transmission, additional complications must be considered, such as delayed or inadequate immune reconstitution and an increased risk of haematological abnormalities and malignancies. Interactions between antiretroviral drugs and drugs used in the conditioning regimen, as well as the need to maintain virological suppression when gastrointestinal absorption deteriorates, are additional complicating factors. The process also requires more stringent ethical processes to be in place to minimise physical and emotional harm. However, in an HIV endemic country, people living with HIV or donors exposed to HIV must be considered as part of a multidisciplinary collaborative effort to provide more patients with the opportunity to have a life-saving HSCT.
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Affiliation(s)
- Candice Laverne Hendricks
- Institute for Cellular and Molecular Medicine, Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; SAMRC Extramural Unit for Stem Cell Research and Therapy, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Juanita Mellet
- Institute for Cellular and Molecular Medicine, Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; SAMRC Extramural Unit for Stem Cell Research and Therapy, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Chrisna Durandt
- Institute for Cellular and Molecular Medicine, Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; SAMRC Extramural Unit for Stem Cell Research and Therapy, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - David Brittain
- Alberts Cellular Therapy, Netcare Pretoria East Hospital, Pretoria, South Africa
| | - Michael Sean Pepper
- Institute for Cellular and Molecular Medicine, Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; SAMRC Extramural Unit for Stem Cell Research and Therapy, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.
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Herd CL, Mellet J, Mashingaidze T, Durandt C, Pepper MS. Consequences of HIV infection in the bone marrow niche. Front Immunol 2023; 14:1163012. [PMID: 37497228 PMCID: PMC10366613 DOI: 10.3389/fimmu.2023.1163012] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 06/21/2023] [Indexed: 07/28/2023] Open
Abstract
Dysregulation of the bone marrow niche resulting from the direct and indirect effects of HIV infection contributes to haematological abnormalities observed in HIV patients. The bone marrow niche is a complex, multicellular environment which functions primarily in the maintenance of haematopoietic stem/progenitor cells (HSPCs). These adult stem cells are responsible for replacing blood and immune cells over the course of a lifetime. Cells of the bone marrow niche support HSPCs and help to orchestrate the quiescence, self-renewal and differentiation of HSPCs through chemical and molecular signals and cell-cell interactions. This narrative review discusses the HIV-associated dysregulation of the bone marrow niche, as well as the susceptibility of HSPCs to infection by HIV.
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Abstract
Acquired immunodeficiency syndrome (AIDS), caused by the human immunodeficiency virus (HIV), has become a heavy burden of disease and an important public health problem in the world. Although current antiretroviral therapy (ART) is effective at suppressing the virus in the blood, HIV still remains in two different types of reservoirs-the latently infected cells (represented by CD4+ T cells) and the tissues containing those cells, which may block access to ART, HIV-neutralizing antibodies and latency-reversing agents. The latter is the focus of our review, as blood viral load drops below detectable levels after ART, a deeper and more systematic understanding of the HIV tissue reservoirs is imperative. In this review, we take the lymphoid system (including lymph nodes, gut-associated lymphoid tissue, spleen and bone marrow), nervous system, respiratory system, reproductive system (divided into male and female), urinary system as the order, focusing on the particularity and importance of each tissue in HIV infection, the infection target cell types of each tissue, the specific infection situation of each tissue quantified by HIV DNA or HIV RNA and the evidence of compartmentalization and pharmacokinetics. In summary, we found that the present state of HIV in different tissues has both similarities and differences. In the future, the therapeutic principle we need to follow is to respect the discrepancy on the basis of grasping the commonality. The measures taken to completely eliminate the virus in the whole body cannot be generalized. It is necessary to formulate personalized treatment strategies according to the different characteristics of the HIV in the various tissues, so as to realize the prospect of curing AIDS as soon as possible.
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Affiliation(s)
- Kangpeng Li
- Department of Orthopedics, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Bo Liu
- Department of Orthopedics, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Rui Ma
- Department of Orthopedics, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Qiang Zhang
- Department of Orthopedics, Beijing Ditan Hospital, Capital Medical University, Beijing, China
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Chen TY, Yang HW, Lin DS, Huang ZD, Chang L. HIV fragments detected in Kaposi sarcoma tumor cells in HIV-infected patients. Medicine (Baltimore) 2022; 101:e31310. [PMID: 36316837 PMCID: PMC9622637 DOI: 10.1097/md.0000000000031310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Kaposi sarcoma (KS) is a malignant vascular neoplasm caused by KS-associated herpesvirus (KSHV) infection. HIV plays a major role in KS pathogenesis. KS in HIV usually produces more malignant features than classic KS. Despite the close KS-HIV relationship, no study has reported the existence of HIV in KS tissue. We used ddPCR to detect HIV and KSHV in HIV+ KS samples and classic KS control. We verified KS cell types through immunohistochemistry and applied hypersensitive in situ hybridization (ISH) to detect HIV and KSHV in tumor cells. Furthermore, we co-stained samples with ISH and immunohistochemistry to identify HIV and KSHV in specific cell types. Regarding pathological stages, the KS were nodular (58.3%), plaque (33.3%), and patch (8.3%) tumors. Moreover, ddPCR revealed HIV in 58.3% of the KS samples. ISH revealed positive Pol/Gag mRNA signals in CD34 + tumor cells from HIV + patients (95.8%). HIV signals were absent in macrophages and other inflammatory cells. Most HIV + KS cells showed scattered reactive particles of HIV and KSHV. We demonstrated that HIV could infect CD34 + tumor cells and coexist with KSHV in KS, constituting a novel finding. We hypothesized that the direct KSHV-HIV interaction at the cellular level contributes to KS oncogenesis.
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Affiliation(s)
- Tung-Ying Chen
- Department of Pathology, MacKay Memorial Hospital, Taipei, Taiwan
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
| | - Horng-Woei Yang
- Department of Medical Research, MacKay Memorial Hospital, New Taipei City, Taiwan
| | - Dar-Shong Lin
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, New Taipei City, Taiwan
- Department of Pediatric, MacKay Memorial Hospital, Taipei, Taiwan
- Division of Genetics, MacKay Children’s Hospital, Taipei, Taiwan
| | - Zo-Darr Huang
- Department of Medical Research, MacKay Memorial Hospital, New Taipei City, Taiwan
| | - Lung Chang
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
- Department of Medical Research, MacKay Memorial Hospital, New Taipei City, Taiwan
- Department of Pediatric, MacKay Memorial Hospital, Taipei, Taiwan
- Division of Infectious Disease, MacKay Children’s Hospital, Taipei, Taiwan
- *Correspondence: Lung Chang, Division of Infectious Diseases, MacKay Children’s Hospital, No. 92, Sec. 2, Zhongshan N. Rd., 10449 Taipei, Taiwan (e-mail: )
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Renelt S, Schult-Dietrich P, Baldauf HM, Stein S, Kann G, Bickel M, Kielland-Kaisen U, Bonig H, Marschalek R, Rieger MA, Dietrich U, Duerr R. HIV-1 Infection of Long-Lived Hematopoietic Precursors In Vitro and In Vivo. Cells 2022; 11:cells11192968. [PMID: 36230931 PMCID: PMC9562211 DOI: 10.3390/cells11192968] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
Latent reservoirs in human-immunodeficiency-virus-1 (HIV-1)-infected individuals represent a major obstacle in finding a cure for HIV-1. Hematopoietic stem and progenitor cells (HSPCs) have been described as potential HIV-1 targets, but their roles as HIV-1 reservoirs remain controversial. Here we provide additional evidence for the susceptibility of several distinct HSPC subpopulations to HIV-1 infection in vitro and in vivo. In vitro infection experiments of HSPCs were performed with different HIV-1 Env-pseudotyped lentiviral particles and with replication-competent HIV-1. Low-level infection/transduction of HSPCs, including hematopoietic stem cells (HSCs) and multipotent progenitors (MPP), was observed, preferentially via CXCR4, but also via CCR5-mediated entry. Multi-lineage colony formation in methylcellulose assays and repetitive replating of transduced cells provided functional proof of susceptibility of primitive HSPCs to HIV-1 infection. Further, the access to bone marrow samples from HIV-positive individuals facilitated the detection of HIV-1 gag cDNA copies in CD34+ cells from eight (out of eleven) individuals, with at least six of them infected with CCR5-tropic HIV-1 strains. In summary, our data confirm that primitive HSPC subpopulations are susceptible to CXCR4- and CCR5-mediated HIV-1 infection in vitro and in vivo, which qualifies these cells to contribute to the HIV-1 reservoir in patients.
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Affiliation(s)
- Sebastian Renelt
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, 60596 Frankfurt, Germany
| | - Patrizia Schult-Dietrich
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, 60596 Frankfurt, Germany
| | - Hanna-Mari Baldauf
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, 81377 Munich, Germany
- Institute of Medical Virology, Goethe University, 60596 Frankfurt, Germany
| | - Stefan Stein
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, 60596 Frankfurt, Germany
| | - Gerrit Kann
- Department of Medicine II/Infectious Diseases, Goethe University Hospital, 60596 Frankfurt, Germany
- Infektiologikum, Center for Infectious Diseases, 60596 Frankfurt, Germany
| | - Markus Bickel
- Infektiologikum, Center for Infectious Diseases, 60596 Frankfurt, Germany
| | | | - Halvard Bonig
- Institute for Transfusion Medicine and Immunohematology, German Red Cross Blood Donor Service Baden-Württemberg-Hessen, Goethe University, 60528 Frankfurt, Germany
| | - Rolf Marschalek
- Institute of Pharmaceutical Biology, Goethe University, 60438 Frankfurt, Germany
| | - Michael A. Rieger
- Department of Medicine, Hematology/Oncology, Goethe University Hospital, 60590 Frankfurt, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center, 69120 Heidelberg, Germany
- Frankfurt Cancer Institute, 60596 Frankfurt, Germany
- Cardio-Pulmonary Institute, 60596 Frankfurt, Germany
| | - Ursula Dietrich
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, 60596 Frankfurt, Germany
| | - Ralf Duerr
- Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, 60596 Frankfurt, Germany
- Department of Microbiology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Correspondence:
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Tsukamoto T. Hematopoietic Stem/Progenitor Cells and the Pathogenesis of HIV/AIDS. Front Cell Infect Microbiol 2020; 10:60. [PMID: 32154191 PMCID: PMC7047323 DOI: 10.3389/fcimb.2020.00060] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 02/06/2020] [Indexed: 12/13/2022] Open
Abstract
The interaction between human immunodeficiency virus (HIV) and hematopoietic stem/progenitor cells (HSPCs) has been of great interest. However, it remains unclear whether HSPCs can act as viral reservoirs. Many studies have reported the presence of latently infected HSPCs in the bone marrow of HIV-infected patients, whereas many other investigators have reported negative results. Hence, further evidence is required to elucidate this controversy. The other arm of HSPC investigations of HIV infection involves dynamics analysis in the early and late stages of infection to understand the impact on the pathogenesis of acquired immunodeficiency syndrome. Several recent studies have suggested reduced amounts and/or functional impairment of multipotent, myeloid, and lymphoid progenitors in HIV infection that may contribute to hematological manifestations, including anemia, pancytopenia, and T-cell depletion. In addition, ongoing and future studies on the senescence of HSPCs are expected to further the understanding of HIV pathogenesis. This mini review summarizes reports describing the basic aspects of hematopoiesis in response to HIV infection and offers insights into the association of HIV infection/exposure of the host HSPCs and hematopoietic potential.
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Affiliation(s)
- Tetsuo Tsukamoto
- Department of Immunology, Faculty of Medicine, Kindai University, Osaka, Japan
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Bordoni V, Bibas M, Viola D, Sacchi A, Cimini E, Tumino N, Casetti R, Amendola A, Ammassari A, Agrati C, Martini F. Bone Marrow CD34 + Progenitor Cells from HIV-Infected Patients Show an Impaired T Cell Differentiation Potential Related to Proinflammatory Cytokines. AIDS Res Hum Retroviruses 2017; 33:590-596. [PMID: 28125903 DOI: 10.1089/aid.2016.0195] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The impact of HIV infection on the frequency and differentiation capability of CD34+ bone marrow hematopoietic progenitor cells (BM-HPCs) is still debated, having a possible primary role in antiretroviral-induced immunoreconstitution. We investigated the influence of HIV replication or proinflammatory cytokines on lymphopoietic capability of BM-HPCs from seven viremic (VR) and five nonviremic (NVR) HIV-infected patients. We found that BM-HPCs from VR patients were unable to differentiate in vitro toward T cells, and produced proinflammatory cytokines in the absence of viral replication. In contrast, the lymphoid differentiation potential of BM-HPCs was partially restored in successfully antiretroviral therapy-treated patients. We also showed that TLR8 triggering induced BM-HPCs from healthy donors to release proinflammatory cytokines affecting T cell differentiation. These data suggest that in HIV-infected patients, the lymphopoiesis capability of BM-HPCs may be modulated by a virus-driven autocrine mechanism involving proinflammatory cytokines.
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Affiliation(s)
- Veronica Bordoni
- Cellular Immunology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Michele Bibas
- Clinical Department, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Domenico Viola
- Cellular Immunology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Alessandra Sacchi
- Cellular Immunology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Eleonora Cimini
- Cellular Immunology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Nicola Tumino
- Cellular Immunology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Rita Casetti
- Cellular Immunology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Alessandra Amendola
- Virology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Adriana Ammassari
- Clinical Department, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Chiara Agrati
- Cellular Immunology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
- Virology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
| | - Federico Martini
- Cellular Immunology Laboratory, National Institute for Infectious Diseases “L. Spallanzani” I.R.C.C.S., Rome, Italy
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Lake JE, Seang S, Kelesidis T, Currier JS, Yang OO. Telmisartan increases vascular reparative capacity in older HIV-infected adults: a pilot study. HIV CLINICAL TRIALS 2016; 17:225-232. [PMID: 27658740 DOI: 10.1080/15284336.2016.1234222] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Endothelial progenitor cells (EPCs) are bone marrow-derived cells that contribute to vascular repair. EPCs may be reduced in HIV-infected (HIV+) persons, contributing to cardiovascular disease (CVD). Telmisartan is an angiotensin receptor blocker that increases EPCs in HIV-uninfected adults. OBJECTIVE To assess telmisartan's effects on EPC number and immunophenotype in older HIV + adults at risk for CVD. METHODS HIV + persons ≥50 years old with HIV-1 RNA < 50 copies/mL on suppressive antiretroviral therapy and ≥1 CVD risk factor participated in a prospective, open-label, pilot study of oral telmisartan 80 mg daily for 12 weeks. Using CD34 and CD133 as markers of early maturity and KDR as a marker of endothelial lineage commitment, EPCs were quantified via flow cytometry and defined as viable CD3-/CD33-/CD19-/glycophorin- cells of four immunophenotypes: CD133+/KDR+, CD34+/KDR+, CD34+/CD133+, or CD34+/KDR+/CD133+. The primary endpoint was a 12-week change in EPC subsets (NCT01578772). RESULTS Seventeen participants (88% men, median age 60 years and peripheral CD4+ T lymphocyte count 625 cells/mm3) enrolled and completed the study. After 6 and 12 weeks of telmisartan, frequencies of all EPC immunophenotypes were higher than baseline (all p < 0.10 except week 12 CD133+/KDR+ EPC, p = 0.13). Participants with lower baseline EPC levels had the largest gains. Additionally, the percentage of CD34+ cells with endothelial commitment (KDR+) increased. CONCLUSIONS Our data suggest that telmisartan use is associated with an increase in circulating EPCs in older HIV + individuals with CVD risk factors. Further controlled studies are needed to assess whether EPC increases translate to a reduction in CVD risk in this population.
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Affiliation(s)
- Jordan E Lake
- a Division of Infectious Diseases, Department of Medicine , University of California , Los Angeles , CA , USA
| | - Sophie Seang
- a Division of Infectious Diseases, Department of Medicine , University of California , Los Angeles , CA , USA
| | - Theodoros Kelesidis
- a Division of Infectious Diseases, Department of Medicine , University of California , Los Angeles , CA , USA
| | - Judith S Currier
- a Division of Infectious Diseases, Department of Medicine , University of California , Los Angeles , CA , USA
| | - Otto O Yang
- a Division of Infectious Diseases, Department of Medicine , University of California , Los Angeles , CA , USA.,b Department of Microbiology, Immunology, and Molecular Genetics , University of California , Los Angeles , CA , USA.,c AIDS Healthcare Foundation , Los Angeles , CA , USA
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Bordoni V, Casetti R, Viola D, Abbate I, Rozera G, Sacchi A, Cimini E, Tumino N, Agrati C, Orchi N, Pinnetti C, Ammassari A, Martini F. Early ART in primary HIV infection may also preserve lymphopoiesis capability in circulating haematopoietic progenitor cells: a case report. J Antimicrob Chemother 2015; 70:1598-600. [PMID: 25604747 DOI: 10.1093/jac/dku559] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Affiliation(s)
- Veronica Bordoni
- Cellular Immunology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Rita Casetti
- Cellular Immunology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Domenico Viola
- Cellular Immunology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Isabella Abbate
- Virology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Gabriella Rozera
- Virology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Alessandra Sacchi
- Cellular Immunology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Eleonora Cimini
- Cellular Immunology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Nicola Tumino
- Cellular Immunology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Chiara Agrati
- Cellular Immunology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Nicoletta Orchi
- Clinical Department, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Carmela Pinnetti
- Clinical Department, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Adriana Ammassari
- Clinical Department, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
| | - Federico Martini
- Cellular Immunology Laboratory, National Institute for Infectious Diseases 'Lazzaro Spallanzani' IRCCS, Rome, Italy
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