Antigen News and Research

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mRNA vaccine-induced antibodies shown to be more effective in neutralizing SARS-CoV-2 and its variants than natural immunity

Researchers designed an electrochemiluminescence-based serology test with remarkable sensitivity to precisely quantify the amounts of anti-RBD antibodies in individuals infected with SARS-CoV-2.

18 Feb 2022

Study shows mink can be infected by Omicron and efficiently transmit the virus to other mink

Researchers have been examining the pathology and spread of the Omicron variant in mink.

18 Feb 2022

Role of quantitative, multiplexed, targeted proteomics in determining variant-specific SARS-CoV-2 antibody response

Researchers developed a ‘bait and capture’ system which was further followed by a multiplexed and targeted proteomic liquid chromatography-tandem mass spectrometry analyses for the comparison of immune correlates in response to vaccination, natural infection, as well as protection against SARS-CoV-2 variants.

18 Feb 2022

COVID test-to-return may help shorten time away from school

In a recent study posted to the medRxiv* preprint server, a test-to-return approach for students in isolation is explored for its utility in sorting out students who can safely return to school without jeopardizing others, from those with a high viral load.

17 Feb 2022

How accurate are rapid antigen COVID tests?

A new study updates the state of knowledge about antigen rapid diagnostic tests (Ag-RDT) in the diagnosis of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

17 Feb 2022

New finding may aid in development of vaccines against future animal-to-human viral diseases

A future vaccine providing protection against a wide range of coronaviruses that jump from their original animal hosts to humans - including SARS-CoV-2, the cause of COVID-19 - may be possible, say Johns Hopkins Medicine researchers, based on findings from their recent study.

17 Feb 2022

ChAdOx1 vaccine found to protect Syrian hamsters against SARS-CoV-2 variants

Researchers recently evaluated the efficacy of the Oxford ChAdOx1 (AZD 1222/ AZD2816) vaccine against the Omicron, Delta, and Beta variants of SARS-CoV-2 in Syrian hamsters.

17 Feb 2022

mRNA COVID-19 vaccine shown to induce afucosylated antibodies in individuals without prior SARS-CoV-2 exposure

New study findings reveal that the level of afucosylated anti-spike antibodies increases transiently in infection-naïve individuals after the first COVID-19 vaccine dose.

17 Feb 2022

Memory B cell repertoire in a longitudinal cohort of individuals receiving 3 COVID-19 mRNA vaccine doses

Researchers examined the memory B cell repertoire of individuals immunized with three doses of mRNA-based COVID-19 vaccine.

17 Feb 2022

Smartphone-based COVID-19 detection system

In this interview, we speak to Professor Michael Mahan about his latest research which aimed to bring low-cost, state-of-the-art diagnostics to resource-limited settings.

17 Feb 2022

Gut enzymes open a gateway to create universal blood-type donor organs

A study published in Science Translational Medicine performed at the Latner Thoracic Surgery Research Laboratories and UHN's Ajmera Transplant Centre has proved that it is possible to convert blood type safely in donor organs intended for transplantation.

16 Feb 2022

Study suggests tea polyphenols may modulate COVID-19 via intestinal microbiota

A new study discusses the state of current knowledge about the potential use of tea polyphenols in the prevention and treatment of COVID-19.

16 Feb 2022

Study examines lyophilized mRNA-lipid nanoparticle vaccines with long-term stability

A new study explored the high immunogenicity and stability of lyophilized mRNA-LNP vaccines in relation to SARS-CoV-2.

16 Feb 2022

Prediction of SARS-CoV-2 epitope candidates for future vaccines

Researchers identify and investigate the presence and evolution of the SARS-CoV-2 N and S glycoprotein proteins.

15 Feb 2022

Study describes sequelae presenting more than six months after COVID-19 in non-hospitalized young adults

A recent study described COVID-19 sequelae developed in non-hospitalized young adults more than six months after COVID-19 infection.

15 Feb 2022

Novel glycation patterns help understand Omicron immune escape

A new study explores changes in the sugar structure of the SARS-CoV-2 Omicron variant, which may shed light on its immunologic escape and transmissibility characteristics.

15 Feb 2022

Researchers generate stable cell lines capable of producing various hepatitis B virus genotypes

A new study created stable cell lines capable of producing different genotypes of the hepatitis B virus (HBV), advancing understanding of each type's distinct virological features, treatment responses, and infectivity that could lead to new therapies against a virus infecting humans as far back as 4,500 years ago.

15 Feb 2022

UCI biologists discover how a protective mutation may reduce Alzheimer's risk

While the word "mutation" may conjure up alarming notions, a mutation in brain immune cells serves a positive role in protecting people against Alzheimer's disease.

14 Feb 2022

Researchers identify autoantibody targets in COVID-19 patients

In a new study, researchers have been investigating auto-immune responses to natural human antigens in COVID-19 patients.

14 Feb 2022

Wearable sensors for COVID-19 mitigation

In a recent study posted to the medRxiv* pre-print server, researchers simulated several wearable sensor deployment scenarios to demonstrate the potential of digital contact tracing technology in mitigating the coronavirus disease 2019 (COVID-19) pandemic.

13 Feb 2022

Antigen News and Research

mRNA vaccine-induced antibodies shown to be more effective in neutralizing SARS-CoV-2 and its variants than natural immunity

Study shows mink can be infected by Omicron and efficiently transmit the virus to other mink

Role of quantitative, multiplexed, targeted proteomics in determining variant-specific SARS-CoV-2 antibody response

COVID test-to-return may help shorten time away from school

How accurate are rapid antigen COVID tests?

New finding may aid in development of vaccines against future animal-to-human viral diseases

ChAdOx1 vaccine found to protect Syrian hamsters against SARS-CoV-2 variants

mRNA COVID-19 vaccine shown to induce afucosylated antibodies in individuals without prior SARS-CoV-2 exposure

Memory B cell repertoire in a longitudinal cohort of individuals receiving 3 COVID-19 mRNA vaccine doses

Smartphone-based COVID-19 detection system

Gut enzymes open a gateway to create universal blood-type donor organs

Study suggests tea polyphenols may modulate COVID-19 via intestinal microbiota

Study examines lyophilized mRNA-lipid nanoparticle vaccines with long-term stability

Prediction of SARS-CoV-2 epitope candidates for future vaccines

Study describes sequelae presenting more than six months after COVID-19 in non-hospitalized young adults

Novel glycation patterns help understand Omicron immune escape

Researchers generate stable cell lines capable of producing various hepatitis B virus genotypes

UCI biologists discover how a protective mutation may reduce Alzheimer's risk

Researchers identify autoantibody targets in COVID-19 patients

Wearable sensors for COVID-19 mitigation

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