This discovery, which earned Dr. Yamanaka the 2012 Nobel Prize in Physiology or Medicine, has revolutionized the fields of stem cell biology and regenerative medicine and has allowed scientists to
model disease from patient - derived cells in a dish, thus working towards a new era of personalized medicine.
Not exact matches
But aside
from raising awareness and more than $ 20 million for amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's
disease, over the past month, the challenge also may be unleashing a new
model for the $ 300 billion - a-year business of charitable giving.
Kogan wrote in the email that he wanted to create statistical
models that could accurately identify people at risk for various
diseases and illnesses by examining their Web browsing and purchase behaviors, and combine that with medical data
from Harvard.
A NATION - WIDE outbreak of foot and mouth
disease (FMD) could strip more than $ 50 billion
from Australia's livestock industry over 10 years, according to a new costing
model from the Australian Bureau of Agricultural and Resource Economics and Sciences (ABARES).
Maine statute directed the committee to develop this
model policy based on the current research and best practice guidelines
from the national Centers for
Disease Control and Prevention and other states» concussion management documents.
More broadly, updated longitudinal studies of the natural history of hypertension, diabetes, and cardiovascular
disease are needed, because the data
from the National Health and Nutrition Examination Survey that we used in our
model are somewhat dated.
«In theory, we could
model progression of the
disease by reprogramming skin cells
from patients at a range of ages, including before symptoms begin.
To develop their «
disease in a dish»
model, the team took skin cells
from patients with Allan - Herndon - Dudley syndrome and reprogrammed them into induced pluripotent stem cells, which then can be developed into any type of tissue in the body.
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.
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.
«Gene - delivery system prevents vision loss
from inherited eye
disease: Initial testing in animal
models holds promise for treating Leber congenital amauroisis and other congenital visual disorders.»
They can also be used to create novel
disease models from which new drugs and therapies can be developed.
Reductions in biodiversity
from illegal wildlife trade can have other substantial negative human health impacts, including the loss of potential sources of pharmaceuticals, experimental
models for studying
disease, crop pollination and micronutrients for humans lacking alternative sources of protein.
In preclinical studies using cell
models that mimicked liver cells of patients with the rare
disease Friedreich's ataxia (FA), a widely used cholesterol - lowering drug increased a precursor of HDL (high - density lipoprotein), the «good cholesterol,» according to new research published in PLOS ONE
from the Perelman School of Medicine at the University of Pennsylvania.
The team
from the University made their discovery by studying the bacteria in a newly developed
model, which closely reflected the human
disease condition.
Satellite imagery is used for all sorts of climate study,
from identifying conditions that allow infectious
diseases like West Nile virus and cholera to emerge, to creating
models for predicting hurricanes, to distinguishing natural resources such as wind, water and sunlight.
Specifically, the Mount Sinai study was designed to test whether pharmacological compounds designed to block the function of XPO1 / CRM1 could stop
disease progression in mouse
models that exhibit some of the characteristics of MS. Researchers found that two chemical agents (called KPT - 276 and KPT - 350) prevented XPO1 / CRM1
from shuttling cargo out of the nucleus of nerve cells, which protected them
from free radicals and structural damage.
This weather - based
model was then used to predict the impact on severity of the
disease of future weather scenarios for the period
from 2020 to 2050.
Their mathematical
model also predicted how the Disneyland outbreak helped push California back
from the tipping point by making parents more afraid of the
disease than the vaccine.
These techniques include: human tissue created by reprogramming cells
from people with the relevant
disease (dubbed «patient in a dish»); «body on a chip» devices, where human tissue samples on a silicon chip are linked by a circulating blood substitute; many computer
modelling approaches, such as virtual organs, virtual patients and virtual clinical trials; and microdosing studies, where tiny doses of drugs given to volunteers allow scientists to study their metabolism in humans, safely and with unsurpassed accuracy.
Using data
from 23 sites, Winifred Frick, an ecologist at Boston University, helped
model the
disease's impact on little brown bats.
From accelerating the identification and validation of novel therapeutic targets, to creating better animal
models of human
diseases in a shorter time frame, to reducing the number of failed products, Crispr looks set to shave millions off R&D costs and boost drug discovery, she says.
The journal provides cutting - edge research including results
from animal
models that are likely to apply to patients, studies in human tissue that provide new information about therapies or
disease, and innovative reports of drug discovery and development.
Others on the team include a veterinary epidemiologist and an economist
from Kansas State University, and a
disease spread
model designer.
In addition to helping understand
disease by providing more powerful study
models, «what this technology would allow you to do is reprogram a skin cell, for example,
from a Parkinson's patient... into a pluripotent cell and then in a petri dish redirect that cell into... a neuron» to treat that patient.
New simulation technology is not just revolutionising gaming, it could transform the way we
model everything
from disease to economic markets and ecosystems
He co-authored papers with his doctor, wrote a case study about himself, proposed a new
model of the
disease, and currently coordinates a dozen Castleman studies
from his small office at UPenn, where he is an assistant professor.
Most importantly, these cells protected mice
from developing diabetes in a
model of
disease, having the critical ability to produce insulin in response to changes in glucose levels.
So until recently, much of what scientists learned was gleaned by inference or
from studying mouse
models of the
disease.
Additionally, work in a mouse
model revealed similar cells, indicating that the progenitors are conserved
from mouse to human, and therefore, they must be «important cells with promising potential for cell therapy in treating liver
disease,» explained Dr. Gouon - Evans.
This research depicts the findings of Sampson et al., who show that signals
from gut microbes are required for the neuroinflammatory responses as well as hallmark gastrointestinal and a-synuclein-dependent motor deficits in a
model of Parkinson's
disease.
Next, the research team will examine specifically whether these liver cells obtained
from human embryonic stem cells in a dish help repair injured livers in preclinical animal
models of liver
disease.
Antibiotic treatment reduced motor deficits and molecular hallmarks of Parkinson's
disease in a mouse
model, whereas transplantation of gut microbes
from patients with Parkinson's
disease exacerbated symptoms in these mice.
Researchers
from the University's Institute of Translational Medicine have found that the anti-epileptic drug ethosuximide has protective effects in certain neurodegenerative
disease models.
She and her colleagues will be exploring the role of YY1 further, using clinical samples as well as mouse
models, to look at the protein in
diseases like lupus to deepen their understanding of how autoimmunity could result
from the «escape» of immune genes
from X chromosome inactivation.
More recently, researchers have induced stem cells
from diseased human somatic cells, which may serve as new
model systems for various illnesses.
Stem cell
models, derived
from healthy or
diseased cells, are also being developed for use in drug efficacy and toxicity testing.
This anxious behavior mirrored that of CdLS patients, while autopsied brain tissue
from individuals with CdLS showed symptoms of
disease that matched those of the experimental mice suggesting that they were a good animal
model.
Desgrosellier said the team will follow up with mouse
models containing tumor fragments
from patients to better reflect the diversity of cell types present in human
disease.
Dr Leonardo Guasti added: «It represents an entirely new concept for the study of the adrenal gland as the ability to generate donor - specific and functional adrenal - like cells will facilitate the next generation of cell - based treatments for adrenal insufficiency, the
modelling of adrenal specific
diseases, and the testing of personalised interventions on cells derived
from patients.»
The
disease model, described in a new study by a UC San Francisco - led team, involves taking skin cells
from patients with the bone
disease, reprogramming them in a lab dish to their embryonic state, and deriving stem cells
from them.
Cultural stigma against
diseases that some falsely believe to be weaknesses of character prevent people
from coming forward for trials — a problem when there are no good animal
models for
diseases like depression and schizophrenia.
«Investigators create complex kidney structures
from human stem cells derived
from adults: New technique offers
model for studying
disease, progress toward cell therapy.»
In order to test their hypothesis in a
model that more closely mimicked human
disease, the researchers also tested the two drugs side - by - side on slices of tumors removed
from patients during radical prostatectomy.
Mardinoglu says the team's network
modeling approach, which relied on data
from the Sweden - based Human Protein Atlas project and The Genotype - Tissue Expression (GTEx) project consortia, can be used in the identification of drug targets and eventually in the development of efficient strategies for treating a number of chronic liver
diseases.
The
model, described in a study published this week in Biomicrofluidics,
from AIP Publishing, will enable researchers to study potential
disease causes and test new drugs to treat IBD, said study author Amy Dawson, a postdoctoral researcher in the lab of John Greenman at the University of Hull, U.K..
Using a yeast
model of Parkinson's
disease, Lee and his team discovered two of the compounds prevented the AS protein
from clumping, effectively allowing the cells to grow normally.
«Alzheimer's in a dish: Stem cells
from patients offer
model and drug - discovery platform for early onset form of
disease.»
«Traditional methods of infectious
disease research using animal
models have provided limited information about
disease progression until the study's endpoint, when investigators could analyze tissues
from those animals,» he said.
Using experimental
models and state - of - the - art technology, the scientists found that switching off this protein leads to better control of glucose production
from the liver, revealing a potential new target that may be used to treat type 2 diabetes and other metabolic
diseases.