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Can nicotine improve cognitive function and inflammation in people with HIV?

Research indicates smoking may improve cognitive control in HIV-positive individuals by lowering brain inflammation, highlighting nicotine's potential benefits.

3 Jan 2025

Unveiling the role of gene inactivation in human disease

New work by Columbia researchers has turned a textbook principle of genetics on its head and revealed why some people who carry disease-causing genes experience no symptoms.

2 Jan 2025

Polarimetry tracks Achilles tendon regeneration

Achilles tendon injuries are common but challenging to monitor during recovery due to the limitations of current imaging techniques. Researchers, led by Associate Professor Zeng Nan from the International Graduate School at Shenzhen, Tsinghua University, have applied Mueller matrix polarimetry, a non-invasive imaging method, to more accurately observe and evaluate the healing of Achilles tendon injuries.

2 Jan 2025

Study identifies novel IgAN loci through pleiotropy

IgA nephropathy (IgAN) is a prevalent form of primary glomerulonephritis characterized by the deposition of IgA in the glomerular mesangium, leading to a spectrum of histopathological lesions and a variable clinical course that can progress to end-stage renal disease in a significant proportion of patients.

2 Jan 2025

Mild avian flu cases in US spark safety warnings for poultry and dairy sectors

Researchers identify 46 mild cases of avian influenza A(H5N1) in U.S. poultry and dairy workers, highlighting low PPE adherence and potential outbreak risks.

2 Jan 2025

Scientists uncover how aging rewires the brain's molecular landscape

Scientists mapped how aging alters gene expression across brain cell types in mice, revealing immune activation, neuronal decline, and hypothalamus-specific changes that may impact aging and neurodegeneration.

2 Jan 2025

New nasal swab test for diagnosing asthma subtypes in children

Researchers at the University of Pittsburgh have developed a nasal swab test for kids that diagnoses specific asthma subtype, or endotype.

2 Jan 2025

Understanding the impact of parasocial relationships on grief and mourning

Many people are surprised by the intensity of their response when a well-known person dies, and their feelings of sadness may last longer than they expect.

2 Jan 2025

Ancient brain circuit stabilizes gaze during movement in early development

An ancient brain circuit, which enables the eyes to reflexively rotate up as the body tilts down, tunes itself early in life as an animal develops, a new study finds.

2 Jan 2025

New nanopore-based tool enables single molecule disease detection

UC Riverside scientists have developed a nanopore-based tool that could help diagnose illnesses much faster and with greater precision than current tests allow, by capturing signals from individual molecules.

2 Jan 2025

CDC study highlights growing tularemia threat in central U.S.

Tularemia cases in the U.S. rose by 56% from 2011 to 2022, with central states and American Indian communities most affected, highlighting diagnostic advancements and health disparities.

2 Jan 2025

Study provides new insights into the genetic underpinnings of pediatric cancers

Largescale changes in the genome inherited from parents are significant risk factors for pediatric solid tumors, such as Ewing sarcoma, neuroblastoma, and osteosarcoma, according to a new study.

2 Jan 2025

CAR-T cells carry memory of past antigen encounters

Researchers at the University of Colorado Anschutz Medical Campus have discovered that some CAR-T cells engineered to fight cancer and other conditions carry the memory of past encounters with bacteria, viruses and other antigens within them, a finding that may allow scientists to manufacture the cells in more precise and targeted ways.

2 Jan 2025

Breakthrough in immunology: AbMAP’s novel approach to antibody modeling

Researchers developed AbMAP, a cutting-edge framework leveraging transfer learning to model antibody hypervariable regions, significantly improving design and immune repertoire analysis.

2 Jan 2025

Scientists launch public resource to classify cancer subtypes for better diagnosis

A multi-institutional team of scientists has developed a free, publicly accessible resource to aid in classification of patient tumor samples based on distinct molecular features identified by The Cancer Genome Atlas (TCGA) Network.

2 Jan 2025

Insilico Medicine nominates ISM1745 as preclinical candidate for MTAP-deleted cancers

Insilico Medicine ('Insilico'), a clinical-stage generative artificial intelligence (AI)-driven drug discovery and development company, today announced the nomination of ISM1745, a potentially best-in-class MTA cooperative PRMT5 inhibitor with AI-powered novel scaffold, as preclinical candidate (PCC) for the treatment of MTAP-deleted cancers.

2 Jan 2025

Blood cells linked to long-lasting vaccine immunity

When children receive their second measles-mumps-rubella vaccine, around the time they start kindergarten, they gain protection against all three viruses for all or most of their lives.

2 Jan 2025

Sleep deprivation disrupts brain regions that prevent unwanted memories

The link between poor sleep and mental health problems could be related to deficits in brain regions that keep unwanted thoughts out of mind, according to research from the University of East Anglia (UEA).

2 Jan 2025

Specialized bone marrow niches reveal secrets of immune tolerance

Researchers have uncovered a hierarchical structure of immune-privileged stem cells in bone marrow niches, revealing their regenerative potential and therapeutic relevance.

2 Jan 2025

Researchers develop tool to measure biological age in individual cell types

A new priority research paper, featured as the cover of Aging (listed by MEDLINE/PubMed as "Aging (Albany NY)" and "Aging-US" by Web of Science) Volume 16, Issue 22, was published on December 29, 2024. The paper is titled "Cell-type specific epigenetic clocks to quantify biological age at cell-type resolution."

2 Jan 2025