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Development of a VRC01-class germline targeting immunogen derived from anti-idiotypic antibodies

open access: yesCell Reports, 2021
Summary: An effective HIV-1 vaccine will likely need to elicit broadly neutralizing antibodies (bNAbs). Broad and potent VRC01-class bNAbs have been isolated from multiple infected individuals, suggesting that they could be reproducibly elicited by ...
Emilie Seydoux   +13 more
doaj   +1 more source

Blood microbiota diversity determines response of advanced colorectal cancer to chemotherapy combined with adoptive T cell immunotherapy

open access: yesOncoImmunology, 2021
Human microbiota influence the response of malignancies to treatment with immune checkpoint blockade; however, their impact on other forms of immunotherapy is poorly understood.
Duo Yang   +12 more
doaj   +1 more source

Hijacking Host Immunity by the Human T-Cell Leukemia Virus Type-1: Implications for Therapeutic and Preventive Vaccines

open access: yesViruses, 2022
Human T-cell Leukemia virus type-1 (HTLV-1) causes adult T-cell leukemia/lymphoma (ATLL), HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) and other inflammatory diseases.
Cynthia A. Pise-Masison   +1 more
doaj   +1 more source

HIV vaccine candidate efficacy in female macaques mediated by cAMP-dependent efferocytosis and V2-specific ADCC

open access: yesNature Communications, 2023
HIV vaccine development can be aided by knowledge of correlates of protection. Here the authors identify engagement and reprogramming of tolerogenic CD14+ myeloid cells mediating a spatiotemporal balance of pro- and anti-inflammatory responses, as ...
Massimiliano Bissa   +34 more
doaj   +1 more source

Structural basis for potent neutralization of SARS-CoV-2 and role of antibody affinity maturation

open access: yesNature Communications, 2020
Currently there is neither a vaccine nor an effective treatment strategy available for COVID19. Here, Hurlburt et al. provide the crystal structure of a patient-derived monoclonal antibody neutralizing SARS-CoV-2 via shedding of the S1 subunit and ...
Nicholas K. Hurlburt   +9 more
doaj   +1 more source

In Vivo Treatment with Insulin-like Growth Factor 1 Reduces CCR5 Expression on Vaccine-Induced Activated CD4+ T-Cells

open access: yesVaccines, 2023
At the heart of the DNA/ALVAC/gp120/alum vaccine’s efficacy in the absence of neutralizing antibodies is a delicate balance of pro- and anti-inflammatory immune responses that effectively decreases the risk of SIVmac251 acquisition in macaques.
Massimiliano Bissa   +23 more
doaj   +1 more source

mRNA booster vaccination protects aged mice against the SARS-CoV-2 Omicron variant

open access: yesCommunications Biology, 2022
A longitudinal study in mice reveals that a booster dose of mRNA vaccine BNT162b2 enhances humoral and cell-mediated responses and provides sterilizing immunity against Omicron-induced lung infection in aged animals.
Etsuro Nanishi   +20 more
doaj   +1 more source

Immunogenic T cell epitopes of SARS-CoV-2 are recognized by circulating memory and naïve CD8 T cells of unexposed individuals

open access: yesEBioMedicine, 2021
Background: Recent studies have provided evidence of T cell reactivity to Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) in significant numbers of non-infected individuals, which has been attributed to cross-reactive CD4 memory T cells from
Isaac Quiros-Fernandez   +3 more
doaj   +1 more source

Carbohydrate fatty acid monosulphate: oil-in-water adjuvant enhances SARS-CoV-2 RBD nanoparticle-induced immunogenicity and protection in mice

open access: yesnpj Vaccines, 2023
Development of SARS-CoV-2 vaccines that protect vulnerable populations is a public health priority. Here, we took a systematic and iterative approach by testing several adjuvants and SARS-CoV-2 antigens to identify a combination that elicits antibodies ...
Etsuro Nanishi   +30 more
doaj   +1 more source

Isolation and characterization of cross-neutralizing coronavirus antibodies from COVID-19+ subjects

open access: yesCell Reports, 2021
Summary: SARS-CoV-2 is one of three coronaviruses that have crossed the animal-to-human barrier and caused widespread disease in the past two decades. The development of a universal human coronavirus vaccine could prevent future pandemics.
Madeleine F. Jennewein   +28 more
doaj   +1 more source

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