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Virological characteristics of the SARS-CoV-2 KP.2 variant. THE LANCET. INFECTIOUS DISEASES 2024:S1473-3099(24)00298-6. [PMID: 38782005 DOI: 10.1016/s1473-3099(24)00298-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024]
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2
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Idiotopes of antibodies against HIV-1 CD4-induced epitope shared with those against microorganisms. Immunology 2024; 171:534-548. [PMID: 38102962 DOI: 10.1111/imm.13742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/04/2023] [Indexed: 12/17/2023] Open
Abstract
Induction of antibodies (Abs) against the conformational CD4-induced (CD4i) epitope is frequent in HIV-1 infection. However, the mechanism of development of anti-CD4i Abs is unclear. We used anti-idiotypic (aID) monoclonal Abs (mAbs) of anti-CD4i mAbs to isolate anti-CD4i mAbs from infected subjects and track the causative antigens. One anti-aID mAb sorted from infected subjects by aID mAbs had the characteristics of anti-CD4i Abs, including IGHV1-69 usage and ability to bind to HIV-1 Env enhanced by sCD4. Critical amino acid sequences for the binding of six anti-aID mAbs, with shared idiotope to anti-CD4i mAbs, were analysed by phage display. The identified amino acid sequences showed similarity to proteins from human microbiota and infectious agents. Peptides synthesized from Caudoviricetes sp and Vibrio vulnificus based on the identified sequences were reactive to most anti-aID and some anti-CD4i mAbs. These results suggest that anti-CD4i Abs may evolve from B cells primed by microorganisms.
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Characteristics of the SARS-CoV-2 omicron HK.3 variant harbouring the FLip substitution. THE LANCET. MICROBE 2024; 5:e313. [PMID: 38219759 DOI: 10.1016/s2666-5247(23)00373-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 01/16/2024]
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4
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Antiviral humoral immunity against SARS-CoV-2 omicron subvariants induced by XBB.1.5 monovalent vaccine in infection-naive and XBB-infected individuals. THE LANCET. INFECTIOUS DISEASES 2024; 24:e147-e148. [PMID: 38211599 DOI: 10.1016/s1473-3099(23)00784-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/09/2023] [Accepted: 12/11/2023] [Indexed: 01/13/2024]
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5
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Virological characteristics of the SARS-CoV-2 JN.1 variant. THE LANCET. INFECTIOUS DISEASES 2024; 24:e82. [PMID: 38184005 DOI: 10.1016/s1473-3099(23)00813-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 12/15/2023] [Accepted: 12/15/2023] [Indexed: 01/08/2024]
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6
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Inadequate structural constraint on Fab approach rather than paratope elicitation limits HIV-1 MPER vaccine utility. Nat Commun 2023; 14:7218. [PMID: 37940661 PMCID: PMC10632514 DOI: 10.1038/s41467-023-42097-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 09/25/2023] [Indexed: 11/10/2023] Open
Abstract
Broadly neutralizing antibodies (bnAbs) against HIV-1 target conserved envelope (Env) epitopes to block viral replication. Here, using structural analyses, we provide evidence to explain why a vaccine targeting the membrane-proximal external region (MPER) of HIV-1 elicits antibodies with human bnAb-like paratopes paradoxically unable to bind HIV-1. Unlike in natural infection, vaccination with MPER/liposomes lacks a necessary structure-based constraint to select for antibodies with an adequate approach angle. Consequently, the resulting Abs cannot physically access the MPER crawlspace on the virion surface. By studying naturally arising Abs, we further reveal that flexibility of the human IgG3 hinge mitigates the epitope inaccessibility and additionally facilitates Env spike protein crosslinking. Our results suggest that generation of IgG3 subtype class-switched B cells is a strategy for anti-MPER bnAb induction. Moreover, the findings illustrate the need to incorporate topological features of the target epitope in immunogen design.
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Antiviral efficacy of the SARS-CoV-2 XBB breakthrough infection sera against omicron subvariants including EG.5. THE LANCET. INFECTIOUS DISEASES 2023; 23:e395-e396. [PMID: 37708910 DOI: 10.1016/s1473-3099(23)00553-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 08/24/2023] [Accepted: 08/24/2023] [Indexed: 09/16/2023]
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8
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Inadequate structural constraint on Fab approach rather than paratope elicitation limits HIV-1 MPER vaccine utility. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.27.546734. [PMID: 37425731 PMCID: PMC10327024 DOI: 10.1101/2023.06.27.546734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
Broadly neutralizing antibodies (bnAbs) against HIV-1 target conserved epitopes, thereby inhibiting viral entry. Yet surprisingly, those recognizing linear epitopes in the HIV-1 gp41 membrane proximal external region (MPER) are elicited neither by peptide nor protein scaffold vaccines. Here, we observe that while Abs generated by MPER/liposome vaccines may exhibit human bnAb-like paratopes, B-cell programming without constraints imposed by the gp160 ectodomain selects Abs unable to access the MPER within its native "crawlspace". During natural infection, the flexible hinge of IgG3 partially mitigates steric occlusion of less pliable IgG1 subclass Abs with identical MPER specificity, until affinity maturation refines entry mechanisms. The IgG3 subclass maintains B-cell competitiveness, exploiting bivalent ligation resulting from greater intramolecular Fab arm length, offsetting weak antibody affinity. These findings suggest future immunization strategies.
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Selective Distal Perfusion and Small Arterial Cannula Use Can Minimize Limb Ischemia Requiring Surgery in Patients in Femoral Veno-Arterial Extracorporeal Life Support. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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10
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The Hemodynamic Effects of Pump Speed Adjustments in Patients with Heartmate 3 Left Ventricular Assist Device. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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11
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Comparing Long-Term Survival and Readmissions Between Heartmate 3 and Heart Transplant as Primary Treatment for Advanced Heart Failure. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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12
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Severe Myocardial Necrosis and Acute Allograft Failure from Fulminant Clostridium Perfringens Sepsis. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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13
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Geographic Variation Exists in Heart Transplantation for Status One and Two Patients after the 2018 Heart Allocation Policy Change. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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14
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Use of Extracorporeal Membrane Oxygenation in Ranolazine Overdose. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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15
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Acute Right Ventricular Dimensional Change Predicts Outcomes in Patients with Heartmate 3. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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16
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The Effect of Preservation Modality on Myocardial Injury - A Single Blinded Study. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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17
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Five-Year Survival and Incidence of Adverse Events in Patients Implanted with HeartMate 3 Left Ventricular Assist Device at a High Volume Center. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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18
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Impact of a Novel Social Worker Psychosocial Assessment (6D-SW) on Prospective Outcomes in HeartMate 3 (HM3) Patients. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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19
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Does Lateral Approach Preserve Better Right Ventricular Function after Left Ventricular Assist Device Insertion? J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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20
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Actual-to-Expected Advanced Heart Failure Therapy Utilization in the United States by Race/Ethnicity. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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Preoperative Left Ventricular Diastolic Dimension Index Predicts Outcomes after Heartmate 3 Implantation. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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22
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Bridge to Resection: Impella 5.5 Support for High-Risk Neurosurgery. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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23
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Relationship between sexual function improvement and treatment satisfaction by TRT in LOH patients. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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24
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Effect of clomiphene citrate therapy for male infertility. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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25
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Outcomes of treatment for LOH syndrome assessed by free testosterone. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Multicenter Study on Sex-Based Differences in Patients Placed on Extracorporeal Life Support for Cardiogenic Shock. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Acute Kidney Injury During Extracorporeal Life Support in Cardiogenic Shock: Does Flow Matter? J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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28
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Partial Flow Extracorporeal Life Support Strategy for Refractory Cardiogenic Shock. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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29
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Outcomes of Patients Supported with Heartmate Three Left Ventricular Assist Device for More Than Two Years. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Functional analysis of a monoclonal antibody reactive against the C1C2 of Env obtained from a patient infected with HIV-1 CRF02_AG. Retrovirology 2021; 18:23. [PMID: 34419098 PMCID: PMC8379604 DOI: 10.1186/s12977-021-00568-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 08/09/2021] [Indexed: 11/23/2022] Open
Abstract
Background Recent data suggest the importance of non-neutralizing antibodies (nnAbs) in the development of vaccines against HIV-1 because two types of nnAbs that recognize the coreceptor binding site (CoRBS) and the C1C2 region mediate antibody-dependent cellular-cytotoxicity (ADCC) against HIV-1-infected cells. However, many studies have been conducted with nnAbs obtained from subtype B-infected individuals, with few studies in patients with non-subtype B infections. Results We isolated a monoclonal antibody 1E5 from a CRF02_AG-infected individual and constructed two forms of antibody with constant regions of IgG1 or IgG3. The epitope of 1E5 belongs to the C1C2 of gp120, and 1E5 binds to 27 out of 35 strains (77 %) across the subtypes. The 1E5 showed strong ADCC activity, especially in the form of IgG3 in the presence of small CD4-mimetic compounds (CD4mc) and 4E9C (anti-CoRBS antibody), but did not show any neutralizing activity even against the isolates with strong binding activities. The enhancement in the binding of A32, anti-C1C2 antibody isolated from a patient with subtype B infection, was observed in the presence of 1E5 and the combination of 1E5, A32 and 4E9C mediated a strong ADCC activity. Conclusions These results suggest that anti-C1C2 antibodies that are induced in patients with different HIV-1 subtype infections have common functional modality and may have unexpected interactions. These data may have implications for vaccine development against HIV-1. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12977-021-00568-y.
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Resistance of SARS-CoV-2 variants to neutralization by antibodies induced in convalescent patients with COVID-19. Cell Rep 2021; 36:109385. [PMID: 34237284 PMCID: PMC8226103 DOI: 10.1016/j.celrep.2021.109385] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 05/16/2021] [Accepted: 06/18/2021] [Indexed: 12/20/2022] Open
Abstract
Administration of convalescent plasma or neutralizing monoclonal antibodies (mAbs) is a potent therapeutic option for coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. However, SARS-CoV-2 variants with mutations in the spike protein have emerged in many countries. To evaluate the efficacy of neutralizing antibodies induced in convalescent patients against emerging variants, we isolate anti-spike mAbs from two convalescent COVID-19 patients infected with prototypic SARS-CoV-2 by single-cell sorting of immunoglobulin-G-positive (IgG+) memory B cells. Anti-spike antibody induction is robust in these patients, and five mAbs have potent neutralizing activities. The efficacy of most neutralizing mAbs and convalescent plasma samples is maintained against B.1.1.7 and mink cluster 5 variants but is significantly decreased against variants B.1.351 from South Africa and P.1 from Brazil. However, mAbs with a high affinity for the receptor-binding domain remain effective against these neutralization-resistant variants. Rapid spread of these variants significantly impacts antibody-based therapies and vaccine strategies against SARS-CoV-2.
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32
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Erythema punctatum Higuchi: reconsidering its relationship with adrenergic urticaria and eruptive pseudoangiomatosis. J Eur Acad Dermatol Venereol 2021; 35:e792-e793. [PMID: 34171183 DOI: 10.1111/jdv.17474] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/18/2021] [Indexed: 11/28/2022]
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33
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Sterile abscesses possibly stem from acantholytic folliculitis in comedonal Darier disease: a case report. Br J Dermatol 2021; 185:667-669. [PMID: 33914923 DOI: 10.1111/bjd.20418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 04/24/2021] [Accepted: 04/24/2021] [Indexed: 11/30/2022]
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34
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Successful treatment of severe blepharitis in a patient with atopic dermatitis by topical delgocitinib. Clin Exp Dermatol 2021; 46:1119-1120. [PMID: 33760267 DOI: 10.1111/ced.14651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2021] [Indexed: 10/21/2022]
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35
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Early Clinical Experience with Impella 5.5 at a Large Tertiary Care Center. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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36
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Effects of Surgical Left Ventricular Vent in Patients with Cardiogenic Shock Requiring Extracorporeal Membrane Oxygenation. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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37
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Causes and Temporal Patterns of Hospital Readmissions after Implantation of the HeartMate 3 Left Ventricular Assist Device: A Comparison with HeartMate II. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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38
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Atypical blue naevus of the labium minus confirmed by whole-exome sequencing. J Eur Acad Dermatol Venereol 2020; 35:e59-e61. [PMID: 32648949 DOI: 10.1111/jdv.16805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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39
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Outcomes of Patients Bridged with Acute Mechanical Circulatory Support Devices to HeartMate 3. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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40
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Outcomes of Mechanical Circulatory Support Therapy for Cardiogenic Shock Associated with Late Allograft Failure after Heart Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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41
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The Effect of Anticoagulation on Bleeding and Thrombotic Events during Extracorporeal Membrane Oxygenation Support for Postcardiotomy Shock. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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42
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Incidence and Cause of Persistent Low Flow Alarm after HeartMate 3 Left Ventricular Assist Device Insertion. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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43
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Pre-Operative Intracardiac Thrombus is Associated with Increased Risk of Stroke and Death in CF-LVAD Patients. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.1079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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44
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Successful Use of Veno-Arterial Extracorporeal Membrane Oxygenation as a Bridging Strategy in INTERMACS 1 Patients Undergoing HeartMate 3 LVAD Implantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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45
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Placement of a Fully Magnetically Levitated Left Ventricular Assist Device: Intrathoracic versus Intrapericardial. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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46
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Inflow or Outflow Obstruction Requiring Surgical Corrections Late after HeartMate 3 Left Ventricular Assist Device Insertion. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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47
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Anti-laminin γ1 pemphigoid with IgE autoantibodies. J Eur Acad Dermatol Venereol 2020; 34:e276-e278. [PMID: 32011038 DOI: 10.1111/jdv.16259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
The monoclonal antibody 1C10 targets the V3 loop of HIV-1 and neutralizes a broad range of clade B viruses. However, the mode of interaction between 1C10 and the V3 loop remains unclear because crystallization of 1C10 and the V3 peptide was unsuccessful due to the flexible regions present in both 1C10 and the V3 peptide. In this study, we predicted the 1C10 amino acid residues that make contact with the V3 loop using a deep learning (DL)-based method. Inputs from ROSIE for docking simulation and FastContact, Naccess, and PDBtools, to approximate interactions were processed by Chainer for DL, and outputs were obtained as probabilities of contact residues. Using this DL algorithm, D95, D97, P100a, and D100b of CDRH3; D53, and D56 of CDRH2; and D61 of FR3 were highly ranked as contact residues of 1C10. Substitution of these residues with alanine significantly decreased the affinity of 1C10 to the V3 peptide. Moreover, the higher the rank of the residue, the more the binding activity diminished. This study demonstrates that the prediction of contact residues using a DL-based approach is a precise and useful tool for the analysis of antibody-antigen interactions.
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Dupilumab improved atypical fibrotic skin plaques in atopic dermatitis. Br J Dermatol 2019; 182:487-488. [DOI: 10.1111/bjd.18359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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50
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Pruritic skin involvement of necrotizing sarcoid granulomatosis: a case report. J Eur Acad Dermatol Venereol 2019; 34:e16-e18. [PMID: 31407372 DOI: 10.1111/jdv.15861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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