Immunodeficiency News and Research

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Immunodeficiency (or immune deficiency) is a state in which the immune system's ability to fight infectious disease is compromised or entirely absent.

Study identifies C5aR1 as a key marker of metastasis in skin cancer

Researchers have identified C5aR1 as a novel biomarker for metastasis risk and poor prognosis in patients with cutaneous squamous cell carcinoma (cSCC), the most common type of metastatic skin cancer.

29 May 2025

Scientists identify early life opportunity for in vivo stem cell gene therapy

A team of scientists from the San Raffaele-Telethon Institute for Gene Therapy (SR-Tiget) in Milan, Italy, has identified a unique window shortly after birth in which circulating blood stem cells can be effectively targeted with gene therapy directly in the body.

28 May 2025

Study finds sharp rise in HIV prevention medication use among American youth

Eight times more American young adults now take medication to protect them from HIV than a decade ago, a new study finds.

23 May 2025

USPSTF urges universal syphilis screening in pregnancy to prevent congenital infections

The US Preventive Services Task Force (USPSTF) reaffirms its recommendation for universal syphilis screening in pregnancy, citing strong evidence for early detection and prevention of congenital syphilis. Despite ongoing disparities and rising rates, early screening and treatment remain essential to improving outcomes for mothers and infants.

18 May 2025

HIV uses circular RNAs to evade immunity and boost replication

In a groundbreaking discovery, researchers from Florida Atlantic University's Charles E. Schmidt College of Medicine have identified a never-before-seen mechanism that enables the human immunodeficiency type 1 virus (HIV-1) to evade the body's natural defenses and use it to support its survival and replication.

13 May 2025

New rifamycin drugs fight antibiotic-resistant lung infections more effectively

Researchers have developed next-generation rifamycin analogs that effectively kill both replicating and nonreplicating Mycobacterium abscessus while minimizing drug-drug interactions. Lead candidates UMN-120 and UMN-121 showed superior efficacy to current treatments in mouse models and retained potency against M. tuberculosis.

5 May 2025

Understanding the complex spectrum of Castleman disease

Castleman disease (CD) is a rare, non-clonal lymphoproliferative disorder that manifests with a wide range of histologic and clinical features.

11 Apr 2025

Novel ARPC1B mutation identified in a patient with recurrent eosinophilia

Immunodeficiency disorders linked to cytoskeleton defects are rare and complex, often presenting with diverse clinical features.

1 Apr 2025

COVID-19 vaccines may cut risk of long COVID

Full COVID-19 vaccination may reduce post-COVID-19 condition risk by 27%, though more research is needed, especially for children and immunocompromised groups.

26 Mar 2025

Anti-HIV active diterpenoids identified in Daphne pseudomezereum

A research group led by Professor Wei Li from the Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Toho University, in collaboration with the Duke University Medical Center in the United States, has discovered for the first time that Daphne pseudomezereum (commonly known as Onishibari) contains a substance inhibiting replication of human immunodeficiency virus (HIV).

21 Mar 2025

Breakthrough peptide inhibitor effective against multiple SARS-CoV-2 variants

SARS-CoV-2, the virus responsible for COVID-19, infects cells by binding its spike protein to angiotensin-converting enzyme 2 (ACE2) receptors.

14 Mar 2025

Gut microbiota impacts pneumococcal vaccine response in immunodeficient individuals

Gut microbiota may be the key factor explaining why certain individuals do not respond well to the pneumococcal vaccine-a bacterium that can cause various diseases, such as pneumonia.

13 Mar 2025

FDA ensures blood safety through five layers of safeguards

Every day, hospitals throughout the U.S. transfuse blood or blood components, such as platelets, to save the lives of people who are in car crashes, and victims of fires and other emergencies.

20 Feb 2025

The growing list of human viruses: Are we prepared for the next outbreak?

Researchers review the ever-growing list of human viruses, examining their diversity, transmission pathways, and the urgent need for prevention and global surveillance.

12 Feb 2025

Urban density and HIV prevalence linked to rising antibiotic resistance in gonorrhea

Researchers identify key geographic and health factors that may predict the prevalence of antimicrobial-resistant gonorrhea in the United States.

7 Feb 2025

New study confirms CAR T cell therapy does not cause secondary cancers

Within a large group of more than 700 patients treated with CAR T cell therapy, researchers found no evidence that the therapy itself caused any type of secondary cancer in the modified T cells, according to new analysis reported today in Nature Medicine from the Perelman School of Medicine at the University of Pennsylvania and Penn Medicine's Abramson Cancer Center.

3 Feb 2025

The impact of extreme weather events on HIV prevention and care

Researchers review the impact of extreme weather events related to climate change on HIV strategies.

13 Jan 2025

Complex interactions between nucleic acid sensors and enzymes in immune cells explained

Adenosine deaminase 2 (ADA2) has been identified as a regulator of toll-like receptor 9 (TLR9) activation in response to nucleic acids, according to a recent study.

26 Dec 2024

Breastfeeding after COVID-19 vaccination is safe, with minimal changes to milk composition

This study reveals how SARS-CoV-2 infection significantly alters human milk composition, while COVID-19 vaccination causes minimal, transient changes, underscoring the safety of breastfeeding during vaccination.

19 Dec 2024

Researchers discover weakness in bacterial machinery that drives antibiotic resistance

Superbugs, bacteria that are immune to multiple antibiotics, pose a great challenge to modern medicine. Researchers from the B CUBE - Center for Molecular Bioengineering at TUD Dresden University of Technology and Institut Pasteur in Paris identified a weakness in the bacterial machinery that drives antibiotic resistance adaptation.

17 Dec 2024