Human Leukocyte Antigen News and Research

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The impact of existing and theoretical mutations on SARS-CoV-2 CD8+ T cell targets

Researchers evaluated the effect of mutations in SARS-CoV-2 variants of concern on CD8+ T cell responses.

25 Oct 2022

Combining host gene expression profiling and metagenomic pathogen detection from plasma nucleic acid enables accurate sepsis diagnosis

Researchers developed integrated host-microbe plasma metagenomics to facilitate sepsis diagnosis.

24 Oct 2022

Breakthrough infection risk and immune responses to vaccines associated with human leukocyte antigen alleles

Researchers from the U.K. used data from clinical trials of the Oxford-AstraZeneca COVID-19 vaccine ChAdOx1 nCoV-19 to understand the genetic factors contributing to the individual variations in the antibody responses to the vaccine.

20 Oct 2022

Researchers explore single-cell sequencing technologies to understand molecular mechanisms of autoimmune diseases

A new review discussed the applications of single-cell ribonucleic acid sequencing (scRNA-seq) in understanding autoimmune disorders.

17 Oct 2022

Multiomic comparison shows a reduction in circulating monocytes correlated with persistent post-COVID-19 pulmonary fibrosis

In a new study, researchers identified distinguishing immune features of coronavirus disease 2019 (COVID-19) in patients with late-resolving pulmonary fibrosis (LR COVID-PF) and early-resolving (ER COVID-PF).

4 Oct 2022

High-tech lab in Nigeria could be a game changer in tackling emerging and re-emerging diseases

Nigeria's Oligo synthesizer laboratory, the first in West Africa, could be a game changer in tackling emerging and re-emerging diseases in the region if harnessed to its full potential, laboratory scientists have said.

27 Sep 2022

Study demonstrates how pan-sarbecovirus ORF7a protein plays a role in evading host immunity

In a new study, researchers demonstrated how sarbecovirus family down-regulates major histocompatibility complex-I (MHC-I) surface expression to evade cellular immunity.

26 Sep 2022

What is the long-term durability of plasma cells in human bone marrow?

In a new study, researchers assessed the long-term durability of plasma cells in the human bone marrow.

16 Aug 2022

Living unrelated donor organ transplants are not inferior to deceased donor organs

Do pediatric kidney transplant patients have better long-term outcomes when their kidney comes from living, biologically unrelated donors compared to deceased donors?

16 Aug 2022

Researchers create a physical wiring diagram of the human immune system

In a new study, researchers systematically mapped the surface proteins on human leukocytes to examine interactions between their cell-surface proteomes and develop a physical wiring diagram encapsulating the diversity of surface protein architectures found across all major subsets of leukocytes.

8 Aug 2022

Researchers find adeno-associated virus 2 infection in children with hepatitis of unknown etiology

Researchers investigated the cases of severe hepatitis of unknown etiology in young children who presented to the hospital between 14 March and 4 April 2022 in Scotland.

28 Jul 2022

Scientists explore immune memory of common cold coronaviruses before the SARS-CoV-2 pandemic era

In a new study, researchers assessed the immune memory of common cold coronaviruses (CCCs) three years before the coronavirus disease 2019 (COVID-19) pandemic.

26 Jul 2022

What is the association between natural killer cell dysfunction and COVID-19 disease severity?

Researchers assessed the association between natural killer cell dysfunction and COVID-19 disease severity.

20 Jul 2022

SARS-Arena reveals conserved parts of viral proteins that cause COVID-19

Vaccines may need to dig a little deeper to stop SARS-CoV-2. Rice University researchers are providing a new shovel.

14 Jul 2022

Rare Cells Capable of Transforming into Leukemia may Provide new Insight into Leukemic Landscape

In our latest interview, News Medical speaks to Adam G. Schrum, PhD, Associate Professor of Molecular Microbiology & Immunology and Surgery at the University of Missouri, about how dysfunction in an unusual type of thymocyte cell may develop into leukemia in some patients.

8 Jul 2022

Even asymptomatic maternal COVID-19 can potentially cause pregnancy complications

A recent study published in the Cell Reports journal analyzed immune ecology at the placenta in mild or asymptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection during pregnancy.

22 Jun 2022

Clonal diversity impacts longevity of T cell reaction specific to SARS-CoV-2 epitope

A recent article under review at the Nature Portfolio journal and currently available on the Research Square* preprint server analyzed the factors influencing the durability of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) epitope-specific T cell reaction.

21 Jun 2022

Trial of peptide-centered SARS-CoV-2 T-cell activator in B-cell deficient individuals

A recent phase 1/2 study under review at the Nature Portfolio journal and posted to the Research Square* preprint server demonstrated that a peptide-centered severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) T-cell activator, CoVac-1, was efficient in B-cell deficient people.

6 Jun 2022

Study shows the SARS-CoV-2 accessory protein ORF7a inhibits HLA-I surface expression levels in human cells

Researchers identified a single viral gene product, the accessory factor ORF7a, facilitating SARS-CoV-2 immune evasion by downregulating the surface expression of MHC class I molecules.

1 Jun 2022

Sarbecovirus open reading frame 7a suppresses major histocompatibility complex-I antigen presentation

Researchers demonstrated the sarbecovirus open reading frame 7a (ORF7a)-induced hindrance of the antigen presentation by the major histocompatibility complex class I (MHC-I) in hosts.

30 May 2022