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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).

Scientists reverse aging in blood stem cells by restoring lysosome function

Researchers at the Icahn School of Medicine at Mount Sinai have discovered how to reverse aging in blood-forming stem cells in mice by correcting defects in the stem cell's lysosomes.

24 Nov 2025

Identifying vulnerabilities and new targets for hard-to-treat carcinomas

Some tumors are almost impossible to treat. That's especially true for carcinomas, which don't behave like other malignancies.

24 Nov 2025

Discovery of sequence-driven DNA methylation offers new path for epigenetic engineering

All the cells in an organism have the exact same genetic sequence. What differs across cell types is their epigenetics-meticulously placed chemical tags that influence which genes are expressed in each cell.

22 Nov 2025

Intranasal nanomedicine shows promise against glioblastoma

Researchers at Washington University School of Medicine in St. Louis, along with collaborators at Northwestern University, have developed a noninvasive approach to treat one of the most aggressive and deadly brain cancers.

22 Nov 2025

New sequencing method reveals how transposons move and shape the genome

Cornell researchers have found that a new DNA sequencing technology can be used to study how transposons move within and bind to the genome.

22 Nov 2025

World’s first experimental lung cancer vaccine to enter clinical trials

People at high risk of lung cancer will soon be able to receive the first ever experimental vaccine designed to prevent the disease, in a world-first clinical trial led by researchers at UCL and the University of Oxford.

22 Nov 2025

Landmark prostate cancer screening trial launches in the UK

The first men have been invited to take part in Prostate Cancer UK's TRANSFORM trial, kicking off the biggest prostate cancer screening study in a generation.

22 Nov 2025

New light-activated method revolutionizes creation of drug building blocks

A team of organic and computational chemists at the University of Minnesota Twin Cities have created a new, modern tool to make the process of creating pharmaceuticals and agrochemicals faster, cost-effective, and energy-efficient.

21 Nov 2025

CRISPR-edited fungus boosts protein production and cuts environmental impact

In a new study publishing November 19 in the Cell Press journal Trends in Biotechnology, researchers used a gene-editing technology called CRISPR to increase a fungus's production efficiency and cut its production-related environmental impact by as much as 61%-all without adding any foreign DNA.

21 Nov 2025

New fluorescent sensor allows scientists to watch DNA damage and repair in real time

Cancer research, drug safety testing and ageing biology may all gain a major boost from a new fluorescent sensor developed at Utrecht University.

20 Nov 2025

New type of mitochondrial DNA damage revealed

A previously unknown type of DNA damage in the mitochondria, the tiny power plants inside our cells, could shed light on how our bodies sense and respond to stress.

20 Nov 2025

Scientists uncover genetic components linked to bone density in young people

Researchers at Children's Hospital of Philadelphia (CHOP) revealed important genetic components that affect bone density in children and adolescents.

19 Nov 2025

Cancer cells hijack cell death enzyme to regrow after treatment

The emergence of cancer drug resistance remains one of the most pressing problems in cancer care and there is a critical need to devise approaches to mitigate it.

19 Nov 2025

Current genetic screening guidelines overlook most cases of familial hypercholesterolemia

Current genetic screening guidelines fail to identify most people with an inherited condition known as familial hypercholesterolemia that can cause dangerously high cholesterol and early heart disease, a Mayo Clinic study found.

19 Nov 2025

Neoantigens-loaded DC vaccines show strong potential to overcome tumor resistance

Despite the success of immune checkpoint inhibitors in revolutionizing oncology, their benefits remain limited to a small fraction of patients.

19 Nov 2025

Primerdesign launches exsig Mag RapidBead Pro Extraction kit for DNA and RNA

Primerdesign (part of the Novacyt Group), a company focused on the design, manufacture, validation and supply of real-time PCR kits and reagents, today announced the launch of its exsig® Mag RapidBead Pro Extraction kit.

19 Nov 2025

Blocking mir-21 shows promise for slowing bladder cancer growth

Bladder cancer ranks among the ten most common types of cancer worldwide. The main treatment is bladder removal surgery, and despite advances in systemic therapies, recurrence is frequent in the most aggressive forms of the disease.

18 Nov 2025

New antibody strategy shows promise for halting cyst growth in polycystic kidney disease

Polycystic kidney disease (PKD) is a debilitating hereditary condition in which fluid-filled sacs form and proliferate in the kidneys. Over time, the painful, growing cysts rob the organs of their function, often leading to dialysis in advanced cases.

18 Nov 2025

New AMR portal provides large-scale curated data to advance antimicrobial resistance research

Antimicrobial resistance (AMR) is a growing health challenge, reducing the effectiveness of life-saving treatments and increasing the risk of complications from routine medical procedures.

18 Nov 2025

Toward precision diagnosis and treatment of radiation-induced brain injury

Radiation-induced brain injury (RIBI) is a serious and often delayed complication of cranial radiotherapy, which remains a cornerstone in the treatment of brain tumors such as gliomas, metastases, and lymphomas.

18 Nov 2025