Antigen News and Research

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What is the frequency of COVID testing to prevent Delta variant transmission?

In a new study published on the medRxiv* preprint server, scientists have used available data on the Delta variant’s viral load to infer its infectiousness and, subsequently, estimate the reduction in its transmission brought about by surveillance testing. The testing, done at different frequencies, was performed on a susceptible population. The cases of both the original Wuhan strain and the Delta variant were considered.

6 Oct 2021

Plasmid DNA vaccines induce effective antibody responses against SARS-CoV-2 in mice

Researchers in the United States and China have developed plasmid DNA immunogens that induce effective antibody responses in mice against the spike protein of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) – the agent that causes coronavirus disease 2019 (COVID-19).

5 Oct 2021

AstraZeneca COVID-19 vaccine safe and effective in phase 3 U.S., Chile, and Peru trial

A new study reports on the results of phase III clinical trial on the safety and efficacy of the AstraZeneca-Oxford COVID-19 vaccine.

5 Oct 2021

Anti-nucleocapsid SARS-Cov-2 antibodies wane over time in long-term care facilities

A new study shows that up to a third of survivors in LTCFs were infected during the first year after infection.

5 Oct 2021

CAR-T cells require an abundance of antigens to efficiently kill solid tumors

Immunotherapy, which harnesses the power of the body's immune system to fight disease, is gaining huge traction in treating cancer.

5 Oct 2021

Humoral responses to SARS-CoV-2 are detectable through saliva, scientists find

Your saliva may be able to tell you if you’ve developed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies, suggests a new medRxiv* preprint study. In immunocompromised groups, salivary Immunoglobulin G (IgG) antibody levels were associated with IgG titers in blood serum 3 to 4 weeks after mRNA vaccination.

5 Oct 2021

Review explores the role of cellular senescence in lymphoid organ dysfunction and immunosenescence

Aging-US published "Cellular senescence in lymphoid organs and immunosenescence" which reported that immunosenescence is a multi-faceted phenomenon at the root of age-associated immune dysfunction.

5 Oct 2021

mRNA vaccination induces strong humoral immune responses against SARS-CoV-2 in over 80's

A recent study assesses the serological and cellular responses to Pfizer’s BNT162b2 mRNA vaccine in people aged 80-96 years.

4 Oct 2021

Difficulties of stability and storage of mRNA COVID-19 vaccines

Two researchers have collaborated to review the difficulties faced in storing and transporting these vaccines in a manner that will keep them stable.

4 Oct 2021

Two-mAb cocktail prevents SARS-CoV-2 infection, study suggests

A promising study shows that a combination of two monoclonal antibodies effectively neutralized SARS-CoV-2 in monkeys and proved efficacious against newer variants of concern in vitro.

1 Oct 2021

Enveloped virus-like particle based vaccines potentially broaden immunity against SARS-CoV-2 variants

A new preprint describes promising results with a novel vaccine candidate designed to improve the breadth of neutralization.

1 Oct 2021

Structure of monoclonal antibody that can potently neutralize SARS-CoV-2 and variants of concern

A new preprint deals with the analysis of the monoclonal antibody J08, which was capable of powerful neutralization of the wildtype SARS-CoV-2, and its VOCs.

1 Oct 2021

Novel Assay Platform for 3D Microfluidic Cancer Research

AMSBIO have supplied custom Chimeric antigen receptor (CAR)-T products to the University of Strathclyde (UoS) in Glasgow, UK, and ScreenIn3D Ltd, allowing them to perform novel immune-oncology assays in 3D microfluidic cancer models.

From AMS Biotechnology 1 Oct 2021

Study reveals a link between genital warts and the human leukocyte antigen system

New research presented today at the EADV 30th Congress reveals a link between genital warts and the human leukocyte antigen system - the part of the immune system which helps regulate immune responses.

1 Oct 2021

Non-severe COVID-19 may elicit more durable memory B cell response than severe COVID-19

A recent study conducted by researchers from the US aimed to measure the impact of severity of COVID-19 on memory B cell response and characterize changes in the memory B cell compartment during the period between recovery and five months after symptom onset. This study is available on the bioRxiv* preprint server.

30 Sep 2021

Early-stage interaction of monocytes with SARS-CoV-2-infected epithelial cell decides COVID-19 severity

A team of scientists from the USA and France has recently unveiled the mechanism of immune dysregulation in coronavirus disease 2019 (COVID-19) patients by analyzing the early-stage interaction between severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-infected epithelial cells and immune cells. The study is currently available on the bioRxiv* preprint server.

30 Sep 2021

Antigen News and Research

What is the frequency of COVID testing to prevent Delta variant transmission?

Plasmid DNA vaccines induce effective antibody responses against SARS-CoV-2 in mice

AstraZeneca COVID-19 vaccine safe and effective in phase 3 U.S., Chile, and Peru trial

Anti-nucleocapsid SARS-Cov-2 antibodies wane over time in long-term care facilities

CAR-T cells require an abundance of antigens to efficiently kill solid tumors

Humoral responses to SARS-CoV-2 are detectable through saliva, scientists find

Review explores the role of cellular senescence in lymphoid organ dysfunction and immunosenescence

mRNA vaccination induces strong humoral immune responses against SARS-CoV-2 in over 80's

Difficulties of stability and storage of mRNA COVID-19 vaccines

Two-mAb cocktail prevents SARS-CoV-2 infection, study suggests

Enveloped virus-like particle based vaccines potentially broaden immunity against SARS-CoV-2 variants

Structure of monoclonal antibody that can potently neutralize SARS-CoV-2 and variants of concern

Novel Assay Platform for 3D Microfluidic Cancer Research

Study reveals a link between genital warts and the human leukocyte antigen system

Non-severe COVID-19 may elicit more durable memory B cell response than severe COVID-19

Early-stage interaction of monocytes with SARS-CoV-2-infected epithelial cell decides COVID-19 severity

Study reveals how to improve overall immune response against virally driven cancers

A covid test costing more than a Tesla? It happened in Texas.

SARS-CoV-2 nucleocapsid antigen as a possible COVID-19 severity marker

The applications of nanomaterials against viral disease

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