Mice News

March 2, 2025

Top Headlines

Scientists Track Pneumonia-Causing Bacteria as They Infect the Blood Stream

Feb. 27, 2025 — Researchers use a unique barcoding system to track K. pneumoniae bacteria as it moved throughout the ...

Neurons Gather Together for Vision

Feb. 27, 2025 — As in larger brains, mouse visual cortex neurons with the same function cluster in ...

Cell Connects: Breaking Barriers in Stem Cell Communication Through mRNA Transfer

Feb. 19, 2025 — Messenger RNA can travel between different types of stem cells through tunnel-like structures, as revealed by a new study. By studying interactions between mouse and human stem cells, they discovered ...

Missing Protein Keeps Mice Slim, Even on a High-Fat Diet

Feb. 26, 2025 — Researchers investigating the role of the protein CD44 in obesity and metabolic health found that CD44-deficient mice stayed lean even on a high-fat diet, while the control mice developed obesity. A new study details the unexpected pivotal role of ...

Latest Headlines

updated 7:13pm EST

Designing Self-Destructing Bacteria to Make Effective Tuberculosis Vaccines

Feb. 25, 2025 — Working toward more effective tuberculosis (TB) vaccines, researchers have developed two strains of mycobacteria with 'kill switches' that can be triggered to stop the bacteria after they activate an ...

Bigger Animals Get More Cancer, Defying Decades-Old Belief

Feb. 24, 2025 — Bigger animals consistently show higher prevalence of both benign and malignant ...

Biologists Transform Gut Bacteria Into Tiny Protein Pharmacies

Feb. 18, 2025 — Biologists converted gut bacteria into miniature protein factories that manufacture and release a sustained flow of targeted proteins inside the lower intestines. This technique solves one of the ...

How the Brain Balances Risk and Reward in Making Decisions

Feb. 19, 2025 — Research in mice identifies brain circuitry that supports certain reward-based ...

New Research Shows Neonatal HSV Infections May Lead to Long-Term Cognitive Impairment

Feb. 19, 2025 — Very early exposure to even a very small dose of herpes simplex virus (HSV) in infant mice can lead to cognitive decline later in life, according to ...

New Study Uncovers How Genes Influence Retinal Aging and Brain Health

Feb. 18, 2025 — Researchers used mice with nine different genetic backgrounds to identify factors influencing eye aging, paving the way for eye-based diagnostics for neurodegenerative ...

A Treatment-Resistant, Severe Type of Asthma Successfully Modeled in Mice

Feb. 18, 2025 — Researchers are tackling neutrophilic asthma, successfully developing one of the first mouse models of the ...

Even After Learning the Right Idea, Humans and Animals Still Seem to Test Other Approaches, Study Suggests

Feb. 18, 2025 — New research adds evidence that learning a successful strategy for approaching a task doesn't prevent further exploration, even if it reduces ...

Researchers Discover How Opsin 3, a Light-Sensitive Brain Protein, Regulates Food Consumption in Mice

Feb. 14, 2025 — Scientists discovered years ago that the hypothalamus -- which helps to manage body temperature, hunger, sex drive, sleep and more -- includes ...

Guardian Molecule Keeps Cells on Track -- New Perspectives for the Treatment of Liver Cancer

Feb. 13, 2025 — A guardian molecule ensures that liver cells do not lose their identity. The discovery is of great interest for cancer medicine because a change of ...

Research Suggests Common Viral Infection Worsens Deadly Condition Among Premature Babies

Feb. 24, 2025 — Researchers say they found that infection with a common virus that can be transmitted from mother to fetus before birth significantly worsens an often-fatal complication of premature birth called ...

Mouse Study Finds Impaired Cell Development: Intermittent Fasting Could Be Unsafe for Teenagers

Feb. 14, 2025 — A recent study reveals that age plays a significant role in the outcomes of intermittent fasting. Researchers discovered that chronic intermittent fasting disrupted the development of ...

Dessert Stomach Emerges in the Brain

Feb. 13, 2025 — Who hasn't been there? The big meal is over, you're full, but the craving for sweets remains. Researchers have now discovered that what we call the 'dessert stomach' is rooted in ...

Ovarian Cancer Discovery Could Turn Failed Treatment Into Lifesaver

Feb. 12, 2025 — Gut bacteria are to blame for the failure of immune checkpoint therapy for ovarian cancer, new research ...

Bacteria, Brains, and Sugar: Scientists Uncover New Connections

Feb. 10, 2025 — Using a new method to study how carbohydrates modify proteins, scientists have discovered that gut bacteria can alter molecular signatures in the ...

Mitochondria May Hold the Key to Curing Diabetes

Feb. 7, 2025 — Mitochondria are essential for generating energy that fuels cells and helps them ...

Scientists Discover Brain Mechanism That Helps Us Overcome Fear

Feb. 6, 2025 — Researchers have unveiled the precise brain mechanisms that enable animals to overcome instinctive fears. The study in mice could have implications for developing therapeutics for fear-related ...

Is CBD Use During Pregnancy as Safe as People Think? New Study Uncovers Potential Risks to Babies

Feb. 5, 2025 — A new study has uncovered potential risks, including impaired fetal growth, associated with the use of both tetrahydrocannabinol (THC), the primary psychoactive component of cannabis, as well as CBD, ...

Scientists Reveal Gut Microbes' Hidden Role in Anxiety: Could Probiotics Be the Next Mental Health Breakthrough?

Feb. 5, 2025 — Could the key to easing anxiety be hidden in our gut? Scientists have discovered a crucial connection between gut microbes and anxiety-related behavior. Their research suggests that microbial ...

Drug Reverses Groin Hernias in Male Mice Without Surgery, Shows Promise in Humans

Feb. 5, 2025 — By age 75, a noteworthy 50% of men develop an inguinal (groin) hernia. Although common, the cause of these hernias is unknown, and the only treatment is surgery to repair the weakened area. Even ...

New Study Model With Clues to Anti-Aging

Feb. 4, 2025 — Scientists have created genetically-engineered mice that could help accelerate anti-aging ...

Luteolin, an Antioxidant in Vegetables, May Contribute to the Prevention of Hair Graying

Feb. 4, 2025 — Graying hair is a hallmark of aging, often considered an inevitable part of growing older. However, recent research suggests that luteolin, an antioxidant found in vegetables including celery, ...

Octopuses Have Some of the Oldest Known Sex Chromosomes

Feb. 3, 2025 — Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...

Unveiling the Critical Role of the Exocyst Complex in Mouse Oocyte Growth

Jan. 30, 2025 — Communication between oocytes and granulosa cells is essential for oocyte formation, dormancy, reawakening, and maturation. Researchers have demonstrated that a protein complex called the exocyst ...

Microbial Therapy Offers New Hope for Vitiligo Patients

Jan. 28, 2025 — A natural compound derived from gut-friendly bacteria significantly slows the progression of vitiligo and may restore pigmentation, reports a new pre-clinical study in ...

New Clues to the Mechanism Behind Food Tolerance and Allergies

Jan. 28, 2025 — Study reveals how immune cells in the gut distinguish between food and harmful pathogens, shedding light on the origins of both food allergies and intestinal ...

First Mouse With Two Male Parents to Reach Adulthood

Jan. 28, 2025 — A team of stem cell scientists have successfully used embryonic stem cell engineering to create a bi-paternal mouse -- a mouse with two male parents -- that lived until adulthood. Their results ...

Protein Labeling of Tens of Millions of Densely Packed Cells in Organ-Scale Tissues

Jan. 24, 2025 — Tissue processing advance can label proteins at the level of individual cells across whole, intact rodent brains and other large samples just as fast and uniformly as in dissociated single ...

Uncovering the Role of Y Chromosome Genes in Male Fertility in Mice

Jan. 23, 2025 — Researchers have uncovered which genes on the Y chromosome regulate the development of sperm and impact fertility in male mice. This research could help us understand why some men don't produce ...

Fighting Experience Plays Key Role in Brain Chemical's Control of Male Aggression

Jan. 22, 2025 — Like humans, mice will compete over territory and mates, and show increased confidence in their fighting skills the more they win. At first, a brain chemical called dopamine is essential for young ...