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Olali AZ, Wallace J, Gonzalez H, Carpenter KA, Patel N, Winchester LC, Podany AT, Venkatesh I, Narasipura SD, Al-Harthi L, Ross RD. The anti-HIV drug abacavir stimulates β-catenin activity in osteoblast lineage cells. JBMR Plus 2024; 8:ziae037. [PMID: 38590756 PMCID: PMC11001392 DOI: 10.1093/jbmrpl/ziae037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/28/2024] [Accepted: 03/14/2024] [Indexed: 04/10/2024] Open
Abstract
Bone mineral density (BMD) loss in people living with HIV occurs with the initiation of combined antiretroviral therapy (cART), particularly with tenofovir disoproxil fumarate (TDF) containing cART. Switching from TDF to abacavir (ABC) or dolutegravir (DTG) leads to increased BMD. Whether BMD gains are due to cessation of TDF or anabolic effects of ABC or DTG is unclear. We investigated the effects of ABC and DTG on osteoblast lineage cells in vitro and in vivo. Primary human osteoblasts and male C57BL/6 mice were treated with individual antiretrovirals (ARVs) or a combination of ABC/DTG/lamivudine (3TC). Nearly all ARVs and cART inhibited osteogenic activity in vitro. Due to the importance of Wnt/β-catenin in bone formation, we further investigated ARV effects on the Wnt/β-catenin pathway. ABC, alone and as part of ABC/DTG/3TC, increased osteoblastic β-catenin activity as indicated by increased TOPFlash activity, hypo-phosphorylated (active) β-catenin staining, and β-catenin targeted gene expression. Mice treated with TDF had decreased lumbar spine BMD and trabecular connectivity density in the vertebrae, while those treated with ABC/DTG/3TC reduced cortical area and thickness in the femur. Mice treated with ABC alone had no bone structural changes, increased circulating levels of the bone formation marker, P1NP, and elevated expression of the Wnt/β-catenin target gene, Lef1, in osteocyte enriched samples. Further, bones from ARV-treated mice were isolated to evaluate ARV distribution. All ARVs were detected in the bone tissue, which was inclusive of bone marrow, but when bone marrow was removed, only TDF, ABC, and DTG were detected at ~0.1% of the circulating levels. Overall, our findings demonstrate that ABC activates Wnt/β-catenin signaling, but whether this leads to increased bone formation requires further study. Assessing the impact of ARVs on bone is critical to informing ARV selection and/or discovery of regimens that do not negatively impact the skeleton.
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Affiliation(s)
- Arnold Z Olali
- Department of Anatomy & Cell Biology, Rush University Medical Center, Chicago, IL 60612, United States
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois 60612, United States
| | - Jennillee Wallace
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois 60612, United States
| | - Hemil Gonzalez
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois 60612, United States
- Division of Infectious Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, IL 60612, United States
| | - Kelsey A Carpenter
- Department of Anatomy & Cell Biology, Rush University Medical Center, Chicago, IL 60612, United States
| | - Niyati Patel
- Department of Anatomy & Cell Biology, Rush University Medical Center, Chicago, IL 60612, United States
| | - Lee C Winchester
- UNMC Center for Drug Discovery, University of Nebraska Medical Center, Omaha, NE 68198, United States
| | - Anthony T Podany
- UNMC Center for Drug Discovery, University of Nebraska Medical Center, Omaha, NE 68198, United States
| | - Ishwarya Venkatesh
- Department of Internal Medicine, Drug Discovery Center, Rush University Medical Center, Chicago, IL 60612, United States
| | - Srinivas D Narasipura
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois 60612, United States
| | - Lena Al-Harthi
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois 60612, United States
| | - Ryan D Ross
- Department of Anatomy & Cell Biology, Rush University Medical Center, Chicago, IL 60612, United States
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois 60612, United States
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL 60612, United States
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Soldado-Folgado J, Rins-Lozano O, Arrieta-Aldea I, Gonzále-Mena A, Cañas-Ruano E, Knobel H, Garcia-Giralt N, Güerri-Fernández R. Changes in bone quality after switching from a TDF to a TAF based ART: A pilot randomized study. Front Endocrinol (Lausanne) 2023; 14:1076739. [PMID: 37051195 PMCID: PMC10083312 DOI: 10.3389/fendo.2023.1076739] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 03/02/2023] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND The impact of tenofovir disoproxil fumarate (TDF) antiretroviral (ART) regimens on bone health has been characterized mostly by bone mineral density (BMD), but recently also by bone quality (BQ). The aim of this pilot study is to assess the changes in BMD and BQ after switch from TDF to tenofovir alafenamide (TAF) ART. METHODS HIV individuals receiving TDF-based ART were randomized to switch to Bictegravir-TAF-Emtricitabine or to remain in the same regimen. At baseline and 24-weeks after randomization, participants underwent bone mineral density (BMD) by DXA and BQ assessment using bone microindentation, a validated technique that measures bone tissue quality expressed as bone material strength index (BMSi). A panel of plasma bone turnover biomarkers were measured by ELISA at the same time-points. Values are expressed as median [interquartile range] and non-parametric tests were used where appropriate. RESULTS A total of 24 HIV individuals were included in the study, 19 of which were men (80%). Median age at baseline was 43 years (IQR 38-54). Half of individuals were allocated in the TDF group while the other half changed to TAF treatment. No differences at baseline between both groups were detected in any parameter. Non-significant changes nor in lumbar or femoral BMD at week 24 was found in any regimen. In contrast, there was an increase in BMSi in the TAF arm at 24 weeks, and thus an improvement in BQ[81.6 (79-83) to 86 (80-88) (+5.1%);p=0.041], whereas the TDF arm remained stable from 82 (76-85) at baseline to 82 (73-83);p=0.812. Hence, at week 24 there were significant differences in BQ between arms (p=0.049). A reduction in bone formation markers was found at week 24 in both regimens: N-terminal propeptide of type-1 collagen decreased a 20% (-35 - -0.6); p=0.031 with TAF and -16% (-25 - -5); p=0.032 with TDF. Also a decrease in bone resorption marker C-telopeptide with TAF was detected [-10% (-19 - -5);p=0.028] but not with TDF (p=0.232), suggesting a less metabolically active bone after switching to TAF. CONCLUSION A bone quality improvement was found after switching from a TDF to a TAF based ART independently of BMD, suggesting that the bone health benefits of TAF may extend beyond BMD. Future research should be directed to confirm these findings and to identify the underlying mechanisms of ART related bone toxicity.
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Affiliation(s)
- Jade Soldado-Folgado
- Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain
- Department of Internal Medicine, Hospital del Mar Institute of Medical Research (IMIM), Barcelona, Spain
| | - Oriol Rins-Lozano
- Department of Internal Medicine, Hospital del Mar Institute of Medical Research (IMIM), Barcelona, Spain
- Department of Medicine and Life Sciences (MELIS), University Pompeu Fabra, Barcelona, Spain
| | - Itziar Arrieta-Aldea
- Department of Infectious Diseases, Hospital del Mar Institute of Medical Research (IMIM), Barcelona, Spain
| | - Alicia Gonzále-Mena
- Department of Infectious Diseases, Hospital del Mar Institute of Medical Research (IMIM), Barcelona, Spain
| | - Esperanza Cañas-Ruano
- Department of Infectious Diseases, Hospital del Mar Institute of Medical Research (IMIM), Barcelona, Spain
| | - Hernando Knobel
- Department of Infectious Diseases, Hospital del Mar Institute of Medical Research (IMIM), Barcelona, Spain
| | - Natalia Garcia-Giralt
- Department of Infectious Diseases, Hospital del Mar Institute of Medical Research (IMIM), Barcelona, Spain
- Instituto de Salud Carlos III, Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - Robert Güerri-Fernández
- Department of Medicine and Life Sciences (MELIS), University Pompeu Fabra, Barcelona, Spain
- Department of Infectious Diseases, Hospital del Mar Institute of Medical Research (IMIM), Barcelona, Spain
- Instituto de Salud Carlos III, Centro de Investigación Biomédica en Red Enfermedades infecciosas (CIBERINFEC), Madrid, Spain
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Soldati E, Roseren F, Guenoun D, Mancini L, Catelli E, Prati S, Sciutto G, Vicente J, Iotti S, Bendahan D, Malucelli E, Pithioux M. Multiscale Femoral Neck Imaging and Multimodal Trabeculae Quality Characterization in an Osteoporotic Bone Sample. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8048. [PMID: 36431532 PMCID: PMC9694313 DOI: 10.3390/ma15228048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/05/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
Although multiple structural, mechanical, and molecular factors are definitely involved in osteoporosis, the assessment of subregional bone mineral density remains the most commonly used diagnostic index. In this study, we characterized bone quality in the femoral neck of one osteoporotic patients as compared to an age-matched control subject, and so used a multiscale and multimodal approach including X-ray computed microtomography at different spatial resolutions (pixel size: 51.0, 4.95 and 0.9 µm), microindentation and Fourier transform infrared spectroscopy. Our results showed abnormalities in the osteocytes lacunae volume (358.08 ± 165.00 for the osteoporotic sample vs. 287.10 ± 160.00 for the control), whereas a statistical difference was found neither for shape nor for density. The osteoporotic femoral head and great trochanter reported reduced elastic modulus (Es) and hardness (H) compared to the control reference (−48% (p < 0.0001) and −34% (p < 0.0001), respectively for Es and H in the femoral head and −29% (p < 0.01) and −22% (p < 0.05), respectively for Es and H in the great trochanter), whereas the corresponding values in the femoral neck were in the same range. The spectral analysis could distinguish neither subregional differences in the osteoporotic sample nor between the osteoporotic and healthy samples. Although, infrared spectroscopic measurements were comparable among subregions, and so regardless of the bone osteoporotic status, the trabecular mechanical properties were comparable only in the femoral neck. These results illustrate that bone remodeling in osteoporosis is a non-uniform process with different rates in different bone anatomical regions, hence showing the interest of a clear analysis of the bone microarchitecture in the case of patients’ osteoporotic evaluation.
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Affiliation(s)
- Enrico Soldati
- Aix Marseille University, CNRS, IUSTI, 13453 Marseille, France
- Aix Marseille University, CNRS, CRMBM, 13385 Marseille, France
- Aix Marseille University, CNRS, ISM, 13288 Marseille, France
| | - Flavy Roseren
- Aix Marseille University, CNRS, ISM, 13288 Marseille, France
| | - Daphne Guenoun
- Aix Marseille University, CNRS, ISM, 13288 Marseille, France
- Aix Marseille University, APHM, CNRS, ISM, Sainte Marguerite Hospital, Institute for Locomotion, Department of Radiology, 13274 Marseille, France
| | - Lucia Mancini
- Elettra-Sincrotrone Trieste S.C.p.A, SS 14–km 1535 in Area Science Park, Basovizza, 34149 Trieste, Italy
- Slovenian National Building and Civil Engineering Institute, Dimičeva ulica 12, 1000 Ljubljana, Slovenia
| | - Emilio Catelli
- University of Bologna, Department of Chemistry “G. Ciamician”, Ravenna Campus, Via Guaccimanni, 42, 48121 Ravenna, Italy
| | - Silvia Prati
- University of Bologna, Department of Chemistry “G. Ciamician”, Ravenna Campus, Via Guaccimanni, 42, 48121 Ravenna, Italy
| | - Giorgia Sciutto
- University of Bologna, Department of Chemistry “G. Ciamician”, Ravenna Campus, Via Guaccimanni, 42, 48121 Ravenna, Italy
| | - Jerome Vicente
- Aix Marseille University, CNRS, IUSTI, 13453 Marseille, France
| | - Stefano Iotti
- Università di Bologna, Department of Pharmacy and Biotechnology (FaBit), Via Zamboni 33, 40126 Bologna, Italy
- National Institute of Biostructures and Biosystems, Viale delle Medaglie d’Oro 305, 00136 Roma, Italy
| | - David Bendahan
- Aix Marseille University, CNRS, CRMBM, 13385 Marseille, France
| | - Emil Malucelli
- Università di Bologna, Department of Pharmacy and Biotechnology (FaBit), Via Zamboni 33, 40126 Bologna, Italy
| | - Martine Pithioux
- Aix Marseille University, CNRS, ISM, 13288 Marseille, France
- Aix Marseille University, APHM, CNRS, ISM, Sainte-Marguerite Hospital, Institute for Locomotion, Department of Orthopaedics and Traumatology, 13274 Marseille, France
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Olali AZ, Carpenter KA, Myers M, Sharma A, Yin MT, Al-Harthi L, Ross RD. Bone Quality in Relation to HIV and Antiretroviral Drugs. Curr HIV/AIDS Rep 2022; 19:312-327. [PMID: 35726043 DOI: 10.1007/s11904-022-00613-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2022] [Indexed: 01/18/2023]
Abstract
PURPOSE OF REVIEW People living with HIV (PLWH) are at an increased risk for osteoporosis, a disease defined by the loss of bone mineral density (BMD) and deterioration of bone quality, both of which independently contribute to an increased risk of skeletal fractures. While there is an emerging body of literature focusing on the factors that contribute to BMD loss in PLWH, the contribution of these factors to bone quality changes are less understood. The current review summarizes and critically reviews the data describing the effects of HIV, HIV disease-related factors, and antiretroviral drugs (ARVs) on bone quality. RECENT FINDINGS The increased availability of high-resolution peripheral quantitative computed tomography has confirmed that both HIV infection and ARVs negatively affect bone architecture. There is considerably less data on their effects on bone remodeling or the composition of bone matrix. Whether changes in bone quality independently predict fracture risk, as seen in HIV-uninfected populations, is largely unknown. The available data suggests that bone quality deterioration occurs in PLWH. Future studies are needed to define which factors, viral or ARVs, contribute to loss of bone quality and which bone quality factors are most associated with increased fracture risk.
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Affiliation(s)
- Arnold Z Olali
- Department of Anatomy & Cell Biology, Rush University Medical Center, Chicago, IL, USA.,Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, IL, USA
| | - Kelsey A Carpenter
- Department of Anatomy & Cell Biology, Rush University Medical Center, Chicago, IL, USA
| | - Maria Myers
- Department of Anatomy & Cell Biology, Rush University Medical Center, Chicago, IL, USA
| | | | - Michael T Yin
- Columbia University Medical Center, New York, NY, USA
| | - Lena Al-Harthi
- Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, IL, USA
| | - Ryan D Ross
- Department of Anatomy & Cell Biology, Rush University Medical Center, Chicago, IL, USA. .,Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, IL, USA.
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Ciccullo A, Baldin G, Putaggio C, Di Giambenedetto S, Borghetti A. Comparative safety review of recommended, first-line single-tablet regimens in patients with HIV. Expert Opin Drug Saf 2021; 20:1317-1332. [PMID: 34018892 DOI: 10.1080/14740338.2021.1931115] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Introduction Different single-tablet regimens (STRs), containing one or two nucleoside reverse transcriptase inhibitors (NRTIs) plus an anchor drug, are available for the use in naïve, HIV-infected patients. Despite some restrictions in the use of particular regimens in certain situations (e.g., HBV coinfection), International guidelines do not provide indications to prefer any regimen over others concerning the tolerability profile. We aimed to assess advantages and disadvantages of the most prescribed STRs.Areas covered An extensive review of articles published in English language was conducted on PubMed, looking for evidence about STRs in naïve, HIV-infected population. Safety outcomes of registrational trials were assessed, giving priority to studies directly comparing STRs included in our research (abacavir/lamivudine/dolutegravir, tenofovir alafenamide/emtricitabine/bictegravir, lamivudine/dolutegravir, tenofovir alafenamide/emtricitabine/darunavir/cobicistat, tenovofir disoproxil fumarate/lamivudine/doravirine). Data from cohort studies and meta-analyses were also assessed, extrapolating the main evidence about the combinations of interest.Expert opinion Integrase inhibitors (InsTIs)-based regimens have few interruptions for adverse events and few drug-related adverse events, with tenofovir alafenamide/emtricitabine/dolutegravir and lamivudine/dolutegravir being the most tolerable ones. However, neuropsychiatric adverse events and metabolic issues could prompt the alternative use of darunavir or doravirine-based combinations, even if a superior safety profile of these combinations over InSTIs has yet to be demonstrated.
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Affiliation(s)
| | - Gianmaria Baldin
- Mater Olbia Hospital, Olbia, Italia.,UOC Malattie Infettive, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italia
| | - Cristina Putaggio
- Dipartimento di Sicurezza e Bioetica Sezione Malattie Infettive, Università Cattolica Del Sacro Cuore, Roma, Italy
| | - Simona Di Giambenedetto
- UOC Malattie Infettive, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italia.,Dipartimento di Sicurezza e Bioetica Sezione Malattie Infettive, Università Cattolica Del Sacro Cuore, Roma, Italy
| | - Alberto Borghetti
- UOC Malattie Infettive, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Italia
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