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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).

CRISPR technology reveals essential noncoding RNAs in the human genome

Genes contain instructions for making proteins, and a central dogma of biology is that this information flows from DNA to RNA to proteins.

7 Nov 2024

How bacteria trigger colon cancer

Investigation shows how bacterial adhesins contribute to colon cancer mutations, suggesting new avenues for therapeutic intervention in colorectal cancer.

7 Nov 2024

Epigenetic silencing of BEND4 unveils new path for PDAC treatment

A novel discovery in the field of pancreatic cancer treatment has been unveiled, revealing the epigenetic silencing of BEND4 as a potential synthetic lethal marker for enhancing the efficacy of ATM inhibitors in pancreatic cancer treatment.

7 Nov 2024

Assessing recurrence risk with ctDNA-based MRD detection in NSCLC patients

In operable non-small cell lung cancer (NSCLC), molecular residual disease (MRD) detection via circulating tumor DNA (ctDNA) has emerged as a promising approach to identify individuals at high risk of disease recurrence and potentially guide adjuvant therapy decisions.

6 Nov 2024

Stanford researchers unveil the key role of extrachromosomal DNA in cancer

A trio of research papers from Stanford Medicine researchers and their international collaborators transforms scientists' understanding of how small DNA circles - until recently dismissed as inconsequential - are major drivers of many types of human cancers.

6 Nov 2024

Study uncovers how certain E. coli bacteria in the gut promote colon cancer

Scientists have uncovered how certain E. coli bacteria in the gut promote colon cancer by binding to intestinal cells and releasing a DNA-damaging toxin.

6 Nov 2024

Multitarget stool DNA test shows promise for early colorectal cancer detection

A recent prospective cross-sectional study in Thailand demonstrates that multitarget stool DNA testing is highly sensitive and specific for detecting colorectal cancer (CRC) among Thai individuals.

6 Nov 2024

Gene editing with CRISPR may introduce new defects

The CRISPR tool is capable of repairing the genetic defect responsible for the immune disease chronic granulomatous disease.

6 Nov 2024

CHiTA assay identifies functional twister ribozymes

The "RNA world" hypothesis proposes that the earliest life on Earth may have been based on RNA - a single-stranded molecule similar in many ways to DNA - like some modern viruses. This is because, like DNA, RNA can carry genetic information, but, like a protein, it can also act as an enzyme, initiating or accelerating reactions.

5 Nov 2024

A novel synthetic lethal target for ATM inhibitors in pancreatic cancer

5 Nov 2024

Lifestyle can shape the composition of oral microbiome, study reveals

Lifestyle can shape the composition of beneficial bacteria and other microorganisms within the mouth, according to a new study led by Penn State biologists.

5 Nov 2024

New insights into the role of innate immunity in tumor initiation

Along with defending against pathogens, the body's innate immune system helps to protect the stability of our genomes in unexpected ways - ways that have important implications for the development of cancer, researchers at Memorial Sloan Kettering Cancer Center (MSK) are discovering.

5 Nov 2024

Study reveals no impact of extra education on brain aging

Thanks to a 'natural experiment' involving 30,000 people, researchers at Radboud university medical center were able to determine very precisely what an extra year of education does to the brain in the long term.

5 Nov 2024

Curcumin compound reactivates Epstein–Barr virus, offering safer cancer therapy

A novel curcumin derivative, C210, activates the Epstein–Barr virus (EBV) lytic cycle without producing infectious virions by disrupting HSP90. This discovery opens avenues for safer EBV-positive cancer therapies.

5 Nov 2024

Werner syndrome gene plays key role in maintaining cellular organization and DNA stability

A new research paper was published in Aging (listed by MEDLINE/PubMed as "Aging (Albany NY)" and "Aging-US" by Web of Science), Volume 16, Issue 20 on October 17, 2024, entitled, "Werner syndrome RECQ helicase participates in and directs maintenance of the protein complexes of constitutive heterochromatin in proliferating human cells."

5 Nov 2024