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Lester C, Li JM, Passang T, Wang Y, Waller EK, Blakey SB. Chemical Modifications to Enhance the Drug Properties of a VIP Receptor Antagonist (ANT) Peptide. Int J Mol Sci 2024; 25:4391. [PMID: 38673976 PMCID: PMC11050070 DOI: 10.3390/ijms25084391] [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: 03/21/2024] [Revised: 04/06/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Antagonist peptides (ANTs) of vasoactive intestinal polypeptide receptors (VIP-Rs) are shown to enhance T cell activation and proliferation in vitro, as well as improving T cell-dependent anti-tumor response in acute myeloid leukemia (AML) murine models. However, peptide therapeutics often suffer from poor metabolic stability and exhibit a short half-life/fast elimination in vivo. In this study, we describe efforts to enhance the drug properties of ANTs via chemical modifications. The lead antagonist (ANT308) is derivatized with the following modifications: N-terminus acetylation, peptide stapling, and PEGylation. Acetylated ANT308 exhibits diminished T cell activation in vitro, indicating that N-terminus conservation is critical for antagonist activity. The replacement of residues 13 and 17 with cysteine to accommodate a chemical staple results in diminished survival using the modified peptide to treat mice with AML. However, the incorporation of the constraint increases survival and reduces tumor burden relative to its unstapled counterpart. Notably, PEGylation has a significant positive effect, with fewer doses of PEGylated ANT308 needed to achieve comparable overall survival and tumor burden in leukemic mice dosed with the parenteral ANT308 peptide, suggesting that polyethylene glycol (PEG) incorporation enhances longevity, and thus the antagonist activity of ANT308.
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Affiliation(s)
- Christina Lester
- Department of Chemistry, Emory University, Atlanta, GA 30322, USA;
| | - Jian-Ming Li
- Department of Hematology and Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA; (J.-M.L.); (Y.W.)
| | - Tenzin Passang
- Cancer Biology Graduate Program, Emory University, Atlanta, GA 30322, USA;
| | - Yuou Wang
- Department of Hematology and Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA; (J.-M.L.); (Y.W.)
| | - Edmund K. Waller
- Department of Hematology and Oncology, Emory University School of Medicine, Atlanta, GA 30322, USA; (J.-M.L.); (Y.W.)
- Winship Cancer Institute, Emory University, Atlanta, GA 30322, USA
| | - Simon B. Blakey
- Department of Chemistry, Emory University, Atlanta, GA 30322, USA;
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Collins LF, Mehta CC, Palella FJ, Fatade Y, Naggie S, Golub ET, Anastos K, French AL, Kassaye S, Taylor TN, Fischl MA, Adimora AA, Kempf MC, Tien PC, Sheth AN, Ofotokun I. The Effect of Menopausal Status, Age, and Human Immunodeficiency Virus (HIV) on Non-AIDS Comorbidity Burden Among US Women. Clin Infect Dis 2023; 76:e755-e758. [PMID: 35686432 PMCID: PMC10169392 DOI: 10.1093/cid/ciac465] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 06/01/2022] [Revised: 05/18/2022] [Accepted: 06/03/2022] [Indexed: 02/02/2023] Open
Abstract
Menopause may impact the earlier onset of aging-related comorbidities among women with versus without human immunodeficiency virus (HIV). We found that menopausal status, age, and HIV were independently associated with higher comorbidity burden, and that HIV impacted burden most in the pre-/perimenopausal phases.
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Affiliation(s)
- Lauren F Collins
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Grady Healthcare System, Infectious Diseases Program, Atlanta, Georgia, USA
| | - C Christina Mehta
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Frank J Palella
- Division of Infectious Diseases, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Yetunde Fatade
- Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Susanna Naggie
- Duke Clinical Research Institute and Duke University School of Medicine, Durham, North Carolina, USA
| | - Elizabeth T Golub
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Kathryn Anastos
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Audrey L French
- Division of Infectious Diseases, CORE Center, Stroger Hospital of Cook County, Chicago, Illinois, USA
| | - Seble Kassaye
- Georgetown University Medical Center, Washington, DC, USA
| | - Tonya N Taylor
- SUNY Downstate Health Sciences University, Brooklyn, New York, USA
| | - Margaret A Fischl
- Division of Infectious Diseases, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Adaora A Adimora
- School of Medicine and UNC Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Mirjam-Colette Kempf
- Schools of Nursing, Public Health, and Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Phyllis C Tien
- Division of Infectious Diseases, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Medical Service, Department of Veterans Affairs, San Francisco, California, USA
| | - Anandi N Sheth
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Grady Healthcare System, Infectious Diseases Program, Atlanta, Georgia, USA
| | - Ighovwerha Ofotokun
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Grady Healthcare System, Infectious Diseases Program, Atlanta, Georgia, USA
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Morton ZP, Christina Mehta C, Wang T, Palella FJ, Naggie S, Golub ET, Anastos K, French AL, Kassaye S, Taylor TN, Fischl MA, Adimora AA, Kempf MC, Tien PC, Ofotokun I, Sheth AN, Collins LF. Cumulative Human Immunodeficiency Virus (HIV)-1 Viremia Is Associated With Increased Risk of Multimorbidity Among US Women With HIV, 1997-2019. Open Forum Infect Dis 2023; 10:ofac702. [PMID: 36751648 PMCID: PMC9897021 DOI: 10.1093/ofid/ofac702] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/26/2022] [Indexed: 12/29/2022] Open
Abstract
Background To evaluate the effect of cumulative human immunodeficiency virus (HIV)-1 viremia on aging-related multimorbidity among women with HIV (WWH), we analyzed data collected prospectively among women who achieved viral suppression after antiretroviral therapy (ART) initiation (1997-2019). Methods We included WWH with ≥2 plasma HIV-1 viral loads (VL) <200 copies/mL within a 2-year period (baseline) following self-reported ART use. Primary outcome was multimorbidity (≥2 nonacquired immune deficiency syndrome comorbidities [NACM] of 5 total assessed). The trapezoidal rule calculated viremia copy-years (VCY) as area-under-the-VL-curve. Cox proportional hazard models estimated the association of time-updated cumulative VCY with incident multimorbidity and with incidence of each NACM, adjusting for important covariates (eg, age, CD4 count, etc). Results Eight hundred six WWH contributed 6368 women-years, with median 12 (Q1-Q3, 7-23) VL per participant. At baseline, median age was 39 years, 56% were Black, and median CD4 was 534 cells/mm3. Median time-updated cumulative VCY was 5.4 (Q1-Q3, 4.7-6.9) log10 copy-years/mL. Of 211 (26%) WWH who developed multimorbidity, 162 (77%) had incident hypertension, 133 (63%) had dyslipidemia, 60 (28%) had diabetes, 52 (25%) had cardiovascular disease, and 32 (15%) had kidney disease. Compared with WWH who had time-updated cumulative VCY <5 log10, the adjusted hazard ratio of multimorbidity was 1.99 (95% confidence interval [CI], 1.29-3.08) and 3.78 (95% CI, 2.17-6.58) for those with VCY 5-6.9 and ≥7 log10 copy-years/mL, respectively (P < .0001). Higher time-updated cumulative VCY increased the risk of each NACM. Conclusions Among ART-treated WWH, greater cumulative viremia increased the risk of multimorbidity and of developing each NACM, and hence this may be a prognostically useful biomarker for NACM risk assessment in this population.
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Affiliation(s)
- Zoey P Morton
- Emory University School of Medicine, Atlanta, Georgia, USA
| | - C Christina Mehta
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Tingyu Wang
- Emory University Rollins School of Public Health, Atlanta, Georgia, USA
| | - Frank J Palella
- Division of Infectious Diseases, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
| | - Susanna Naggie
- Division of Infectious Diseases, Duke University School of Medicine, Durham, North Carolina, USA
| | - Elizabeth T Golub
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Kathryn Anastos
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Audrey L French
- Division of Infectious Diseases, CORE Center, Stroger Hospital of Cook County, Chicago, Illinois, USA
| | - Seble Kassaye
- Georgetown University Medical Center, Washington, District of Columbia, USA
| | - Tonya N Taylor
- SUNY Downstate Health Sciences University, Brooklyn, New York, USA
| | - Margaret A Fischl
- Division of Infectious Diseases, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Adaora A Adimora
- Gillings School of Global Public Health and the School of Medicine, Division of Infectious Diseases, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Mirjam-Colette Kempf
- Schools of Nursing, Public Health and Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Phyllis C Tien
- Division of Infectious Diseases, University of California, San Francisco, San Francisco, California, USA
- Medical Service, Department of Veterans Affairs, San Francisco, California, USA
| | - Ighovwerha Ofotokun
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Ponce de Leon Center, Grady Health System, Atlanta, Georgia, USA
| | - Anandi N Sheth
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Ponce de Leon Center, Grady Health System, Atlanta, Georgia, USA
| | - Lauren F Collins
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Ponce de Leon Center, Grady Health System, Atlanta, Georgia, USA
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