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DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).

New AI model detects heart transplant rejection without biopsies

By analyzing heart rhythm recordings and blood tests, artificial intelligence may accurately flag when a transplant patient's body starts attacking a donated heart, a new study suggests.

6 Oct 2026

Mini-GRID radiotherapy limits cellular senescence in glioma models

A new research paper was recently published in Volume 18 of Aging, titled "Spatially fractionated mini-GRID radiotherapy differentially modulates radiation-induced senescence in murine glioma and normal cells."

6 Oct 2026

Experimental cancer drug works differently than researchers originally thought

A cancer drug currently being tested in patients may have entered clinical trials based on an incorrect understanding of how it works, according to a new study led by the University of Sydney in collaboration with Goethe University, Oxford University and the Institute of Cancer Research, London.

6 Oct 2026

Fontan circulation linked to accelerated biological aging in youth

Our birthdays tell us how long we have lived, but not necessarily how our bodies are aging. Biological age reflects the condition and function of our cells and tissues, shaped by genetics, lifestyle, environment, and disease.

6 Oct 2026

Cigarette smoke alters lung stem cells to drive specific cancers

Chronic exposure to cigarette smoke may reprogram different populations of lung stem cells, which maintain and repair lung tissue, in ways that make them vulnerable to specific cancer-causing gene alterations and ultimately helps determine the type of lung cancer that develops.

6 Oct 2026

New insights into fetal DNA could improve prenatal testing

Understanding how fetal DNA travels in a pregnant woman’s blood could unlock the next generation of prenatal screening, according to a new paper published in Science Advances today.

6 Oct 2026

One Health approach could improve India’s response to mycetoma

A 60-year-old Indian farmer developed two infections—one in his foot following an injury from a cow's hoof, the other in his buttock after a thorn prick in the fields three years later.

5 Oct 2026

Phase III trial tests MRD-guided treatment for patients with ER-positive/HER2-negative breast cancer

Alliance Foundation Trials, LLC (AFT), a national leader in conducting innovative, practice-changing cancer clinical trials, and Natera, Inc., a global leader in cell-free DNA and precision medicine, today announced the launch of AFT-70 NAVIGATE, a randomized phase III trial evaluating a novel molecular residual disease (MRD)-guided treatment strategy for patients with intermediate and high-risk ER-positive/HER2-negative early breast cancer.

5 Oct 2026

New workflow rapidly identifies deadly fungal bloodstream infections

Bloodstream infections are a persistent threat to hospitalized patients, and those caused by fungi are particularly dangerous. Candida species are responsible for most invasive fungal infections worldwide and rank among the leading causes of hospital-acquired bloodstream infections overall.

5 Oct 2026

Older donor hearts showed signs of rejuvenation in younger recipients

Findings suggest systemic environment affects biological age of transplanted hearts, with implications for improving organ allocation in transplantation.

5 Oct 2026

Simple urine test can accurately diagnose and track bladder cancer

A simple urine test devised by researchers at Stanford Medicine and the VA Palo Alto Health Care System can diagnose people with bladder cancer more accurately than current standard methods.

5 Oct 2026

New strategy uncovers bioactive compounds from fragmented metagenomic data

Researchers have developed a practical strategy for recovering biosynthetic information from fragmented metagenomic data.

1 Oct 2026

Autophagy changes with age, sex and cell type, study finds

Taking out the trash is a chore that even our cells cannot escape. Through a process known as autophagy, they place misshapen proteins and other cellular garbage in biological containers in order to digest them into their molecular building blocks.

1 Oct 2026

Loss of tumor suppressor p53 reshapes Wnt signaling to drive mutant cell expansion

A protein known as p53 is, of all tumor suppressors in human cancer, the most frequently altered by gene mutations.

1 Oct 2026

New project explores mitochondrial evolution across diverse life forms

A research consortium has generated the broadest look yet at the proteins that make up mitochondria, capturing the organelle's diversity across multiple branches on the tree of complex life.

1 Oct 2026

Varying mutation rates in healthy organs explain cancer risk

A new study by scientists at City of Hope® and TGen, part of City of Hope, found surprisingly large differences in the number of mutations present in organs of healthy individuals.

1 Oct 2026

Study links immune status to herpesvirus retinitis progression

The clinical progression and outcomes of two major herpesvirus retinitis forms are associated with patients' immune status, reveal Institute of Science Tokyo scientists.

1 Oct 2026

Esophageal cancer leaves a distinct metabolic signature in the gut

The study uncovers gut microbial and metabolic signatures in esophageal cancer, emphasizing lipid dysregulation and its potential role in disease progression.

1 Oct 2026

Novel 'speech clock' can estimate a person's chronological age

A large study shows that machine-learning clocks based on speech can estimate chronological age and may also offer a window into brain aging, biological aging, cognitive health, cumulative burden, and dementia.

30 Sep 2026

UVM receives historic contract to develop medical digital twins

What if doctors could test a customized treatment on a virtual version of a critically ill patient before administering it in real life? That's the promise of medical "digital twins."

30 Sep 2026