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Rodents News
September 25, 2020

Top Headlines
 

Humans Develop More Slowly Than Mice Because Our Chemistry Is Different

Scientists have found that the 'segmentation clock' -- a genetic network that governs the body pattern formation of embryos -- progresses more slowly in humans than in mice because the biochemical ...

Tag Team Gut Bacteria Worsen Symptoms of Multiple Sclerosis

Researchers have discovered that a particular combination of microorganisms in the gut can worsen symptoms in a mouse model of multiple sclerosis. The study shows that two specific gut bacteria ...

Autism: How a Gene Alteration Modifies Social Behavior

A team of researchers has discovered a new connection between a genetic alteration and social difficulties related to autism: A mutation in the neuroligin-3 gene reduces the effect of the hormone ...

In Mouse Study, Black Raspberries Show Promise for Reducing Skin Inflammation

In a study done with mice, researchers found that a diet high in black raspberries reduced inflammation from contact hypersensitivity -- a condition ...
Latest Headlines
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Earlier Headlines
 

Persistent DNA Damage in the Placenta Affects Pregnancy Outcomes

Scientists have shown that a dysfunctional placenta can play a previously unrecognized role during the earliest stages of development in mouse models of Cornelia de Lange syndrome. People with this ...

First All-Human Mouse Model of Inherited Prion Disease

Human prion diseases include Creutzfeldt-Jakob disease (CJD) and Gerstmann-Sträussler-Scheinker disease (GSS). A new study reports a significant advance in the development of mouse models of human ...

Chromosomal Speciation in Wild House Mice

A new look into the genomes of natural populations of the common house mice by a team of researchers suggests that large-scale chromosomal rearrangements play an important role in ...

Mouse and Human Eye Movements Share Important Similarity

Scientists have used a lightweight eye-tracking system composed of miniature video cameras and motion sensors to record head and eye movements in mice without restricting movement or behavior. ...

Surplus Antioxidants Are Pathogenic for Hearts and Skeletal Muscle

Oxidative stress can be pathological. Now researchers report that the other end of the redox spectrum, reductive stress, is also pathological. Reductive stress causes pathological heart enlargement ...

'Brain's Steering Wheel' in the Brainstem of Mice

In a new study in mice, neuroscientists have found neurons in the brain that control how the mice turn right and left. They hope that the new knowledge can be used in connection with motor disorders ...

See a 3D Mouse Brain With Single-Cell Resolution

A manually constructed 3D atlas offers a cellular-level view of the entire mouse brain. This reference brain, called the Allen Mouse Brain Common Coordinate Framework (CCFv3), is derived from serial ...

Identical Mice, Different Gut Bacteria, Different Levels of Cancer

Some types of gut bacteria are better than others at stimulating certain immune cells, specifically CD8+ T cells. And while these CD8+ T cells normally help protect the body against cancer, ...

Engineered Virus Might Be Able to Block Coronavirus Infections, Mouse Study Shows

No vaccines exist that protect people against infections by coronaviruses, including SARS-CoV-2, which causes COVID-19, or the ones that cause SARS and MERS. As COVID-19 continues to wreak havoc, ...

The Facial Expressions of Mice

Researchers have described different emotional facial expressions for mice. Similar to humans, the face of a mouse looks completely different when it tastes something sweet or bitter, or when it ...

Newly Confirmed Biochemical Mechanism in Cells Is Key Component of the Anti-Aging Program

Scientists now confirmed a mechanism in mouse, bat and naked mole rat cells -- a 'mild depolarization' of the inner mitochondrial membrane -- that is linked to aging: Mild depolarization ...

How Does the Brain Put Decisions in Context? Study Finds Unexpected Brain Region at Work

When crossing the street, which way do you first turn your head to check for oncoming traffic? This decision depends on the context of where you are. A group of scientists has been studying how ...

How Resident Microbes Restructure Body Chemistry

A comparison of normal and germ-free mice revealed that as much as 70 percent of a mouse's gut chemistry is determined by its gut microbiome. Even in distant organs, such as the uterus or the ...

Scientists Develop More Accurate Stem-Cell Model of Early Developing Mouse Embryo

Scientists have managed to generate complex embryo-like structures from mouse embryonic stem cells. These structures, called gastruloids, can now for the first time grow somites, the blocks of tissue ...

New Mouse Model for Celiac Disease to Speed Research on Treatments

Researchers have developed the first truly accurate mouse model of celiac disease. The animals have the same genetic and immune system characteristics as humans who develop celiac after eating ...

Efficient Cryopreservation of Genetically Modified Rat Spermatozoa

Researchers have developed a new technique to improve the efficiency of rat sperm cryopreservation, a process that is usually extremely difficult. Their technique makes it possible to produce more ...

Disease-Aggravating Mutation Found in a Mouse Model of Neonatal Mitochondrial Disease

The new mitochondrial DNA (mtDNA) variant drastically speeds up the disease progression in a mouse model of GRACILE syndrome. This discovery provides a new tool for studies of mitochondrial ...

Persistent Environmental Contaminant Changes the Gut Microbiome of Mice

An industrial chemical -- phased out since 2002, but previously used in stain and water-repellent products and firefighting foam -- alters the gut microbiome of mice and could have implications for ...

Blue Light Triggers Memory and Emphatic Fear in Mice Via a Non-Invasive Approach

Researchers have engineered an improved biological tool that controls calcium (Ca2+) levels in the brain via blue light. This monster-OptoSTIM1 causes a change in mice's fear learning behavior ...

Disruption of Glycine Receptors to Study Embryonic Development and Brain Function

Researchers are studying glycine receptors, particularly glycine receptor alpha-4 (Glra4), during development. They demonstrated, in a new study, that Glra4 is not a brain exclusive gene, as was ...

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