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Ribonucleic acid (RNA) is a biologically important type of molecule that consists of a long chain of nucleotide units. Each nucleotide consists of a nitrogenous base, a ribose sugar, and a phosphate.

Scientists decode ovarian aging with groundbreaking molecular atlas

Researchers unveil a comprehensive multi-omics atlas of ovarian aging, highlighting coordinated gene expression changes, mTOR signaling, and cellular communication as key to understanding fertility decline.

26 Nov 2024

Study reveals how cancer cells evade chemotherapy in low-glucose environments

Laboratory experiments with cancer cells reveal two ways in which tumors evade drugs designed to starve and kill them, a new study shows.

26 Nov 2024

Nasal spray shows promise in combating Alzheimer's

A future treatment for Alzheimer disease may involve a nasal spray. Researchers at Università Cattolica and Fondazione Policlinico Universitario A. Gemelli IRCCS have discovered that by inhibiting the brain enzyme S-acyltransferase (zDHHC) through a nasal-spray drug, they can counteract the cognitive decline and brain damage typical of the disease.

26 Nov 2024

Study reveals the secret to cellular youth may lie in nucleolus size

The secret to cellular youth may depend on keeping the nucleolus—a condensed structure inside the nucleus of a cell—small, according to Weill Cornell Medicine investigators.

25 Nov 2024

Groundbreaking research sheds light on mitochondrial DNA depletion syndrome

Mitochondrial DNA depletion syndrome (MTDPS) is a rare genetic disorder characterized by a marked decrease in mitochondrial DNA (mtDNA).

25 Nov 2024

Groundbreaking method profiles gene activity in the living brain

A groundbreaking method to profile gene activity in the living human brain has been developed by researchers at FutureNeuro, the Research Ireland Centre for Translational Brain Science and RCSI University of Medicine and Health Sciences, in collaboration with international partners.

25 Nov 2024

Deep learning revolutionizes RNA 3D structure prediction with RhoFold+

Researchers introduce RhoFold+, a groundbreaking deep learning model that predicts RNA 3D structures with unprecedented accuracy and efficiency, addressing critical challenges in structural biology.

24 Nov 2024

UChicago scientists develop a new approach to study snoRNAs

Dynamic, reversible modifications of DNA and RNA regulate how genes are expressed and transcribed, which can influence cellular processes, disease development, and overall organismal health.

23 Nov 2024

Penn engineers cook up a new way for safer, more effective mRNA therapies

Penn Engineers have cooked up a new way to improve mRNA delivery, developing an optimal "recipe" for ionizable lipids - key ingredients in lipid nanoparticles (LNPs), the molecules behind the COVID-19 vaccines and other innovative therapies.

22 Nov 2024

New microscopy technique enables 3D RNA analysis in intact mouse brains

Researchers at Karolinska Institutet and Karolinska University Hospital have developed a groundbreaking microscopy method that enables detailed three-dimensional (3D) RNA analysis at cellular resolution in whole intact mouse brains.

22 Nov 2024

SCimilarity revolutionizes single-cell data analysis with rapid cross-tissue comparisons

Researchers developed SCimilarity, a groundbreaking metric-learning framework, to rapidly analyze and compare single-cell data across tissues, diseases, and experimental conditions. This tool enables scalable discovery of shared cellular states and biological insights across the Human Cell Atlas.

21 Nov 2024

First 'blueprint' of human skeletal development offers new insights into bone formation

The first 'blueprint' of human skeletal development reveals how the skeleton forms, shedding light on the process of arthritis, and highlighting cells involved in conditions that affect skull and bone growth.

21 Nov 2024

Ingestible capsule releases a burst of drugs directly into the walls of the GI tract

Inspired by the way that squids use jets to propel themselves through the ocean and shoot ink clouds, researchers from MIT and Novo Nordisk have developed an ingestible capsule that releases a burst of drugs directly into the wall of the stomach or other organs of the digestive tract.

21 Nov 2024

Squid-inspired technology could replace needles for medications and vaccines

The MiDe systems, inspired by squid propulsion, demonstrate effective needle-free drug delivery in the gastrointestinal tract, rivaling traditional methods.

20 Nov 2024

Barcoding small extracellular vesicles with new CRISPR-based system

Cell-to-cell communication through nanosized particles, working as messengers and carriers, can now be analyzed in a whole new way, thanks to a new method involving CRISPR gene-editing technology.

20 Nov 2024

Memories of obesity can linger in fat cells long after weight loss

Epigenetic changes from obesity persist after weight loss, altering fat cell function and increasing the risk of weight regain, impacting metabolic health.

19 Nov 2024

Neoantigen DNA vaccines improve survival and immunity in triple-negative breast cancer patients

A new phase 1 trial demonstrates the safety and effectiveness of personalized neoantigen DNA vaccines, showing promising immune responses and improved recurrence-free survival in high-risk triple-negative breast cancer patients.

17 Nov 2024

Genomic surveillance could revolutionize the fight against antimicrobial resistance

During the COVID-19 pandemic, genomic surveillance proved vital in helping understand the evolution and spread of the SARS-CoV-2 virus.

15 Nov 2024

Evo model set to transform synthetic biology and disease diagnosis

A new study presents "Evo" – a machine learning model capable of decoding and designing DNA, RNA, and protein sequences, from molecular to genome scale, with unparalleled accuracy. Evo's ability to predict, generate, and engineer entire genomic sequences could change the way synthetic biology is done.

15 Nov 2024