Sentences with phrase «cell model of the disease»

After creating a stem cell model of the disease from patients» skin cells, the Scripps Research scientists found strong evidence for the involvement of a DNA repair enzyme in the FXN triplet repeat expansion.

Not exact matches

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.

«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.

In the present study, the researchers have discovered a reason for reduced fertility in people with autoimmune polyendocrine syndrome type 1 (APS1), which increases the risk of developing autoimmune disease (caused by the immune system attacking and damaging healthy cells) and which is often used as a model for autoimmune disease in general.

«Chronic inflammation of the intestine is thought to be caused by abnormal interactions between gut microbes, intestinal epithelial cells and the immune system, but so far it has been impossible to determine how each of these factors contribute to the development of intestinal bowel disease,» said Hyun Jung Kim, Ph.D., former Wyss Technology Development Fellow and first author on the study, speaking about the limitations of conventional in vitro and animal models of bacterial overgrowth and inflammation of the intestines.

Currently, I work on three directions: (1) cell motility and the cytoskeleton, (2) modeling of physiology and diseases (such as autoimmune diabetes), and (3) swarming and aggregation behaviour in social organisms.

«This research has broad impact, because by deepening our understanding of cell reprogramming we have the potential to improve disease modeling and the generation of better sources of patient - specific specialized cells suitable for replacement therapy,» said Plath.

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.

With our human gut - on - a-chip, we can not only culture the normal gut microbiome for extended times, but we can also analyze contributions of pathogens, immune cells, and vascular and lymphatic endothelium, as well as model specific diseases to understand complex pathophysiological responses of the intestinal tract.»

Guo and his collaborators continue their studies by establishing additional mouse models of leukemia that have been transplanted with patient cells of relapsed and refractory disease.

This proof - of - principle study shows «for the first time... that human iPS cells can be used to model a diverse range of inherited diseases in adult cells,» the authors wrote in their paper, published online in The Journal of Clinical Investigation August 25.

A new study has found that stem cell therapy can reduce lung inflammation in an animal model of chronic obstructive pulmonary disease (COPD) and cystic fibrosis.

The research is also the first to demonstrate beneficial effects of UDCA on dopaminergic neurons, the nerve cells affected in Parkinson's disease, in a fly model of Parkinson's disease which carries the same genetic change as some patients with the condition.

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.

The study involved laboratory cell lines of human leukemia and mouse models of the disease.

Realistic stem cell therapies to replace diseased or damaged tissue may still be years away, but researchers have uncovered a promising new use for these undifferentiated cells: they can be programmed to become patient - specific laboratory models of inherited liver disease.

The UT Southwestern group had previously used CRISPR - Cas9, the original gene - editing system, to correct the Duchenne defect in a mouse model of the disease and in human cells.

The study successfully countered harmful effects of mutant huntingtin and protected nerve cells in several models of Huntington's disease.

The scientists then tested three new mTOR inhibitors currently under development (pp242, AZD8055 and INK128) in combination with the chemotherapies AraC, Etoposide and Cisplatin to see how they affected laboratory lines of leukemia cells and mouse models of the disease.

«The compounds identified in this study, when administered orally, both reduced the inflammation that is a hallmark of multiple sclerosis and protected against the nerve cell damage seen in mouse models of the disease,» said Jeffery Haines, PhD, a post-doctoral fellow at Mount Sinai and the study's lead author.

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 animal models of precancerous polyps in the bowel, Chung and his team determined that certain types of immune cells within a chronically inflamed intestine can become rewired, causing them — paradoxically — to contribute to disease development rather than protect against it.

«The study of this type of tumours has been problematic up to now due to the lack of cell models and the appropriate animal models,» says CNIC researcher Juan Carlos Ramírez, who adds that the difficulty of generating these chromosomal translocations had limited the availability of cells with this mark of the disease.

In the study, exosomes, which are generated by all cells and are naturally present in blood, were modified as «iExosomes,» capable of delivering small RNA to specifically target mutant KRAS, resulting in disease suppression and increased overall survival in mouse models.

Researchers at University of California San Diego School of Medicine report that a single infusion of wildtype hematopoietic stem and progenitor cells (HSPCs) into a mouse model of Friedreich's ataxia (FA) measurably halted cellular damage caused by the degenerative disease.

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.

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.

Still, he says, other groups have arrived at opposing results regarding the role of T cells in the disease, in part, perhaps, because their animal models aren't the same.

Now, a team of scientists at the Icahn School of Medicine at Mount Sinai have developed the Just EGFP Death - Inducing T - cell, or JEDI T - cells, which enable the visualization of T - cell antigens, allowing researchers to study T - cell interactions with different cell types, model disease states, and finally determine the functions of otherwise poorly characterized cell populations.

This is particularly important as it indicates the method can be used in a variety of cell types to create disease models and contribute to the discovery of new disease - specific therapeutics.

This was observed in human ovarian cancer cells grown in culture, and then in mouse models of the disease.

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.

More work is needed to determine whether the findings on rapamycin hold true in animal models of Leigh syndrome and other neurodegenerative diseases, and to ascertain how exactly rapamycin is altering the metabolism of the cells.

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 human cell - based disease model is expected to lead to a better understanding of these disorders and other illnesses, Hsiao said.

In Remodeling of the Mononuclear Phagocyte Network Underlies Chronic Inflammation and Disease Progression in Heart Failure: Critical Importance of the Cardiosplenic Axis, Prabhu and colleagues showed that immune cells that are stored in the spleen were intricately involved in the heart failure that follows a heart attack, or infarction, in a mouse - model system.

Kühn has just recently joined the MDC and is head of the research group for «iPS cell based disease modeling.»

«Cell model of the brain provides new knowledge on developmental disease.»

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.

«We compared the ability of RSV and parainfluenza virus (PIV3)-- another common virus in children that causes much less severe airway disease — to infect and cause inflammatory responses in a cell culture model of human epithelial cells, which compose the lining of the lung airway.

His laboratory already has shown that by inhibiting calcium channels in T - cells, they were able to prevent T - cell activation in animal models of autoimmune diseases like multiple sclerosis and colitis.

Using a combination of cell - based and mouse models, the researchers showed that the recently - evolved mycobacteria were more virulent, likely to cause more serious disease in patients.

«Alzheimer's in a dish: Stem cells from patients offer model and drug - discovery platform for early onset form of disease.»

Eggan has also been itching to use cloning technology to create embryonic stem cells that could be used to model the development of various diseases, especially diabetes and ALS.

«The next stage would be to repeat the study in primates, a more suitable animal model where HIV infection induces disease, in order to further demonstrate elimination of HIV - 1 DNA in latently infected T cells and other sanctuary sites for HIV - 1, including brain cells,» Dr. Khalili said.

Reprogramming of adult somatic cells into induced pluripotent stem cells (iPSCs) provides a powerful tool for in vitro disease modeling and drug screening.

Reported today in Disease Models & Mechanisms, Karim Si - Tayeb and colleagues in the research group of Bertrand Cariou from l'Institut du Thorax, Nantes used an innovative approach to develop unique patient cell - based models of PCSK9 - driven hypercholesteroModels & Mechanisms, Karim Si - Tayeb and colleagues in the research group of Bertrand Cariou from l'Institut du Thorax, Nantes used an innovative approach to develop unique patient cell - based models of PCSK9 - driven hypercholesteromodels of PCSK9 - driven hypercholesterolemia.

Mouse embryonic stem cells, reported in 1981 by Martin Evans, Matthew Kaufman, and Gail Martin, have allowed scientists to generate genetically customized strains of mice that have revolutionized studies of organismic development and immunity and have provided countless models of human disease.

«Use of induced pluripotent stem cell (iPSC) technology» — which involves taking skin cells from patients and reprogramming them into embryonic - like stem cells capable of turning into other specific cell types relevant for studying a particular disease — «makes it possible to model dementias that affect people later in life,» says senior study author Catherine Verfaillie of KU Leuven.