CD4 News and Research

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Clearance of senescent cells by boosting anti-viral immune response

Aging, or senescent cells, which stop dividing but don't die, can accumulate in the body over the years and fuel chronic inflammation that contributes to conditions such as cancer and degenerative disorders.

31 Mar 2023

Novel inhibitor, hopeaphenol, blocks HIV expression

In the United States, around 1.2 million people are living with HIV as of 2022. Many of these people can now live productive, symptom-free lives thanks to antiretroviral therapies, but a solution that permanently removes HIV from an infected person’s body is still a long way off.

30 Mar 2023

Myeloid cells contribute to a long-lived HIV reservoir, study shows

A subset of white blood cells, known as myeloid cells, can harbor HIV in people who have been virally suppressed for years on antiretroviral therapy, according to findings from a small study supported by the National Institutes of Health.

28 Mar 2023

Monocytes harbor stable HIV DNA capable of infecting neighboring cells

To develop treatments that may one day entirely rid the body of HIV infection, scientists have long sought to identify all of the places that the virus can hide its genetic code.

28 Mar 2023

Novel tool analyzes how immune cells respond to SARS-CoV-2 vaccination

A study discovered that the magnitude and quality of a key immune cell’s response to two doses of the Pfizer-BioNTech COVID-19 vaccine were significantly lower in individuals with earlier SARS-CoV-2 infection compared to individuals without previous infection.

21 Mar 2023

Herpesvirus infection boosts host cellular immunity: Study

A new editorial was published in Genes & Cancer on January 19th, 2023, entitled, "Severe herpesvirus infection beats adult T-cell leukemia/lymphoma."

27 Feb 2023

Mount Sinai researchers reveal mechanisms underlying autoimmunity in Down syndrome

Scientists at the Icahn School of Medicine at Mount Sinai in New York have identified which parts of the immune system go awry and contribute to autoimmune diseases in individuals with Down syndrome.

23 Feb 2023

New insights into the mechanism underlying the immunomodulatory effects of polyphenols

PCB2DG, a polyphenol with anti-inflammatory properties, works by targeting and directly interacting with the major glutamine transporter protein, alanine serine cysteine transporter 2 (ASCT2), to inhibit the uptake of glutamine, an important amino acid found in the blood.

22 Feb 2023

Two-step screening of aroma compounds reveals a novel and effective modulator of dendritic cells

Dendritic cells (DCs) are important players of the immune system with important functions such as the identification of infectious pathogens, production of cytokines (chemical signalers of the immune system), presentation of antigens to activate T-cells, and more.

13 Feb 2023

UNC research describes another layer to the challenge of HIV latency

When people living with HIV take antiviral therapy (ART), their viral loads are driven so low that a standard blood test cannot detect the virus.

1 Feb 2023

HIV’s covert methods of evading treatment and immunity

According to Duke Health researchers, the human immunodeficiency virus (HIV) appears to be driven into a latent state, lurking in cells only to erupt once more. This immune response likely evolved to help fight infections.

15 Nov 2022

Different cancers carry distinctive genetic signatures

After analyzing data from a public repository, CD4-T, CD8-T cells, and Treg cells, a team of researchers led by bioinformatics Mabel Vidal from the University of Concepcion and working with researchers from MELISA Institute and other academic institutions discovered a distinctive genetic signature among subsets of infiltrating T cells of various types of cancer.

4 Nov 2022

HIV latent cells produce a possible cure investigation

Researchers from the National Institute of Allergy and Infectious Diseases (NIAID) Vaccine Research Center (VRC) and their collaborators gave a presentation recently at AIDS 2022, the 24th International AIDS Conference in Montreal.

1 Aug 2022

Study shows how T cell-derived interleukin-22 promotes antibacterial defense of colonic crypts

Intestinal epithelial cells line the inner wall of the gut, creating a barrier to dangerous bacteria like enteropathogenic E. coli that seek to attach and efface that barrier, causing diarrhea.

11 Apr 2022

Hybrid immunity generates improved cell response to fight SARS-CoV-2 infections

People who were infected with SARS-CoV-2 before being vaccinated generate an immune response more specific to fighting viral infections, and produce a broader antibody response, than do people whose only protection is the vaccine, according to researchers at the University of Washington School of Medicine.

25 Mar 2022

Men and women do have immune cell differences, study says

Researchers at the La Jolla Institute for Immunology have uncovered novel genes associated with the risk of autoimmune disorders in the CD4+ “helper” T cell subset.

2 Mar 2022

Study shows how two distinct groups of Tregs play different roles at different times

Every kind of T cell has a job to do. A healthy immune system makes sure no T cell oversteps.

22 Feb 2022

New vaccine providing protection against future animal-to-human viral diseases may be possible

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

Study shows how the commensal oral microbiome can regulate alveolar bone health

It is becoming increasingly clear that the human microbiome – the collection of bacteria, viruses and fungi that live on and within us – significantly contributes to our health.