Compared with those of control animals, the hippocampi
of the model mice had fewer gamma waves during sharp - wave ripples, but gamma waves during theta waves were unaffected.
On this week's show: Kelly Servick talks about how the microbiomes
of model mice can change the outcomes of experiments, and a daily news roundup
Not exact matches
«There's no
mouse model and no human
model of the ideas,» she said.
Currently SQZ is developing its technology further using
mouse models and human blood experiments to understand its mechanisms
of action more fully.
Pharmaceutical scientists hope for a moment
of chemical serendipity, despite often not fully understanding the complexity
of the biological mechanisms they're targeting — or why something might fail in humans when it works so neatly in a
mouse model.
He conducted his postdoctoral research at Brigham and Women's Hospital / Harvard Medical School, where he researched the role
of the Wnt signaling pathway in
mouse models of kidney disease, and was part
of a team that discovered a stem cell subtype responsible for solid organ fibrosis.
Using a «gnotobiotic
mouse model» — where
mice were «colonized with a synthetic human gut microbiota composed
of fully sequenced commensal bacteria» — Desai et al reported on the effects
of different diets with different fibre content.
Capsaicin additionally produced a significant deceleration
of the development
of prostate tumors created simply by those human cell lines grown in
mouse models.
A recent study assessing the oncogenic potential
of capsaicin revealed that dermal application
of capsaicin did not lead to the induction
of preneoplastic or neoplastic skin lesions in the Tg.Ac
mouse model (47).
UT Southwestern biochemists studying
mouse models found that the two proteins − steroid receptor coactivators 1 and 2 (SRC - 1 and SRC - 2)-- control genes for pulmonary surfactant components that promote the initiation
of labor.
«We also confirmed a role in PDAC tumor maintenance as inhibition
of PRMT1 in patient - derived
mouse models significantly inhibited tumor growth and extended survival,» said Giuliani.
Other rows are eyes from three different
mouse models of diabetes.
All
of the symptoms, including increased weight, were erased in the female
mouse model.
In a University
of California, San Diego School
of Medicine study published July 13 in the online journal Nature Neuroscience, a research team led by Takaki Komiyama, PhD, assistant professor
of neurosciences and neurobiology, reports that in
mouse models, the brain significantly changed its visual cortex operation modes by implementing top - down processes during learning.
New research shows that in a
mouse model of childhood absence epilepsy, brain activity is perturbed between seizures.
In 2015, Noebels and Dr. Isamu Aiba, a research fellow in neurology at Baylor, published a paper in Science Translational Medicine in which they described in a
mouse model what would happen if spreading depolarization, the blackout
of brain activity, occurred deep in the brainstem, which controls the heart beat and breathing.
«The successful restoration
of normal function demonstrated in the
mouse models suggests that if we can develop therapies to address the loss
of Mecp2,» Baylor's Zoghbi says, «we may be able to reverse neurological damage in children and adults with Rett, autism and related neuropsychiatric disorders.»
«It would be interesting to
model some
of these diseases in
mice and see if supplementing NMN provides any benefit to their behavior or memory.»
The resulting inoculation looks promising in both ferrets and
mice, the most commonly used
models of influenza infection.
In the new work, published June 10 in the journal Scientific Reports, Zhao, Reid and colleagues used a highly sensitive probe to measure electrical fields in the corneas
of isolated eyes from three different lab
mouse models with different types
of diabetes: genetic, drug - induced and in
mice fed a high - fat diet.
The researchers tested their drug compound, Targapremir - 210, in
mouse models of triple negative breast cancer.
Jeffrey Noebels and his team at Baylor College
of Medicine in Houston, Texas used two genetic
mouse models of absence epilepsy and compared them to unaffected
mice.
Gene therapy delivered to a specific part
of the brain reverses symptoms
of depression in a
mouse model of the disease — potentially laying the groundwork for a new approach to treating severe cases
of human depression in which drugs are ineffective.
The researchers collected samples
of indoor dust from 11 homes in North Carolina and tested extracts from the samples in a
mouse pre-adipocyte cell
model, 3T3 - L1 cells, often used to test compounds for potential effects on the accumulation
of triglycerides, a type
of fat.
A new
mouse model of a genetically - linked type
of autism reveals more about the role
of genes in the disorder and the underlying brain changes associated with autism's social and learning problems.
Speaking about the research, Dr Hawkins said: «We were really surprised that loss
of PTEN caused such a dramatic increase in PI (3,4) P2 in our
mouse model of prostate cancer.
A second
mouse model, induced by overexpression
of IL - 17 in skin, also shows bone loss, and suggests that the deregulation
of the protein is sufficient to cause this effect.
Using the
mouse as an experimental
model, LMU neurobiologist PD Dr. Conny Kopp - Scheinpflug and her research group have now demonstrated that the activity
of nerve cells in the auditory system has a direct effect on myelinization — higher levels
of activity correlate with the formation
of thicker myelin sheaths.
«The
mouse is a particularly suitable
model in which to study the development
of the auditory system, because newborn
mice are deaf and only begin to perceive acoustic signals at 12 days after birth.
For researchers using
mouse models to study a variety
of cancers, including lymphoma, melanoma, breast, and prostate cancers as well as autoimmune and infectious diseases, the panel facilitates a highly sensitive and high - throughput investigation
of biomarkers associated with disease progression.
Using a
mouse model that expresses an altered form
of the normal human prion protein, researchers at University
of California, San Diego School
of Medicine have determined why the human proteins aren't corrupted when exposed to the elk prions.
Examining the safety
of respiratory and intravenous inoculation
of Bdellovibrio bacteriovorus and Micavibrio aeruginosavorus in a
mouse model.
These findings allowed researchers to create a chimera virus: a
mouse virus with a human viral gene that can be used to test molecules that inhibit human LANA protein in an animal
model of disease, treating not only human herpes virus infection but also its associated cancers.
«Indeed, in a second tumor
model of metastatic breast cancer, we demonstrated that
mice treated with the EphA2 - targeting paclitaxel conjugate presented nearly no lung metastases, while a large numbers
of lesions were observed in both untreated
mice and in
mice treated with just paclitaxel.»
Led by graduate student Patrick O'Hern, the team at Brown and the University
of Cologne in Germany uncovered a complex cause - and - effect sequence in both C. elegans worm and
mouse models of SMA.
Using a flexible
mouse model, her team set out to determine whether anything could be done to restore memory «after a significant number
of neurons are lost in the brain.»
Researchers from Instituto de Medicina Molecular (iMM) Lisboa have created a chimera virus that allows the study
of molecules to treat cancers caused by human herpes virus infection in
mice models of disease.
PDX
models are created by implanting cancerous tissue from a human primary tumor directly into immunodeficient
mouse or rat
models, enabling acceleration
of oncology research or drug discovery and development programs.
Recent collaborative work between UCR and Cedars - Sinai Medical Center in Los Angeles demonstrated that in animal
models of human breast cancer,
mice treated with 123B9 that was conjugated with paclitaxel had significantly fewer circulating cancer cells in the blood compared to
mice that were not treated or even treated with paclitaxel alone.
The behavioral tests used here
modeled one dimension
of the disease — an inability to experience pleasure from normal activities — but not others, such as stress and anxiety, and probably tap into different brain mechanisms in
mice than in humans, he says.
Scientists at Duke Health who developed the new
model also discovered that targeting a brain receptor in
mice with this type
of autism could ease repetitive behaviors and improve learning in some animals.
Burd and her colleagues used a
mouse model to study what happens to the brains
of those offspring as they age into adulthood to see if the effects persisted.
«Our research is the first to study Zika infection in a
mouse model that transmits the virus in a way similar to humans,» explains Alysson R. Muotri, Ph.D., professor and director
of the Stem Cell Program at UC San Diego and co-senior author
of the study.
Prof. Marine and his team generated a refined
mouse model that faithfully reproduces the early stages
of melanoma development in humans.
Researchers have used CRISPR to treat an adult
mouse model of Duchenne muscular dystrophy.
So far, gene therapy attempts have only resulted in partial improvements
of hearing in
mouse models of specific human deafness forms that did not include severe anomalies in hair cell structure.
To study this question, the researchers focused on the grey
mouse lemur, a small primate whose lifespan (around twelves years) makes it a very good
model for the study
of aging.
That, he says, suggests that the widely used
mouse model of cystic fibrosis «might not be appropriate.»
Gandhi's research team is the first to develop a
mouse model with depleted levels
of a protein called augmenter
of liver regeneration (ALR), which is essential for the survival
of liver cells called hepatocytes.
CSIRO senior scientist and co-author
of the paper Dr Eva Plaganyi said the research was enabled through a complex ecosystem
model nicknamed «MICE», an acronym for Model of Intermediate Complexity for Ecosystem Assessm
model nicknamed «
MICE», an acronym for
Model of Intermediate Complexity for Ecosystem Assessm
Model of Intermediate Complexity for Ecosystem Assessments.