Sentences with phrase «cell tumor development»

There is some suggestion that mast cell tumor development may be associated with golden / red coat color and with chronic immune over-stimulation that occurs in dogs with allergies or other inflammatory conditions.

Not exact matches

Prior to the development of a fully functioning nervous system, and the activation of said system, a human embryo is «alive» in the same sense a tumor is «alive»: the individual cells that make it up are alive, but there is no higher - level functionality.
Capsaicin additionally produced a significant deceleration of the development of prostate tumors created simply by those human cell lines grown in mouse models.
A research team at the University of California, Riverside has discovered a way for chemotherapy drug paclitaxel to target migrating, or circulating, cancer cells, which are responsible for the development of tumor metastases.
«There was this initial thought that [circulating tumor cells] are only present at late stage,» says Sollier - Christen, but she notes that in the past year, several studies using more sensitive techniques have found such cells much earlier in tumor development, even before the tumor becomes visible by conventional imaging techniques.
Scientists at the Rosalind Franklin University of Medicine and Science in Chicago found a «remarkable similarity» between the cells that support the growth and development in placentas and in tumors.
Dr. Llovet and colleagues demonstrated that the expression of mutant IDH in the adult liver of genetically engineered mice impairs liver cell development and liver regeneration — a process in which the liver responds to injury — and increases the number of cells to form a tumor.
An experimental drug in early development for aggressive brain tumors can cross the blood - brain tumor barrier, kill tumor cells and block the growth of tumor blood vessels, according to a study led by researchers at the Ohio State University Comprehensive Cancer Center — Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC — James).
Although proteasome inhibitors are very efficient in selective killing of cancer tumor cells grown in a dish (in - vitro), their success in the clinic has largely been undermined by the development of resistance — mechanisms of which are poorly understood.
EMD Serono, Kirschbaum says, «focuses on the development of targeted cancer therapies on three therapeutic platforms: targeting the tumor cell, the tumor environment, and the immune system.»
The scientists have shown that, in all cancers, a sort of «identity crisis» is observed in cancerous cells: in the organs or tissues in which a tumor develops, genes specific to other tissues or to other stages of the development of the organism express themselves in an aberrant manner.
The development of targeted therapies has significantly improved the survival of melanoma patients over the last decade; however, patients often relapse because many therapies do not kill all of the tumor cells, and the remaining cells adapt to treatment and become resistant.
Next steps for this research will see new refinements in the endomicroscope instrument and development of new tumor cell stains and probes that light up the tumor cells to an even greater degree.
EMT is crucial for normal embryonic development, but also operates in wound healing, and when abnormally switched on, can enable the spread of tumor cells.
When cancer cells start dividing rapidly to form tumors, these cells are actually reverting to an earlier time in their development when they were supposed to divide rapidly.
A mutation that helps make cells immortal is critical to the development of a tumor, but new research at the University of California, Berkeley suggests that becoming immortal is a more complicated process than originally thought.
Techniques like that may lead to novel therapies while avoiding the primary downfall of stem cell therapies: the development of tumors.
The study, «The nuclear transport receptor Importin - 11 is a tumor suppressor that maintains PTEN protein,» which will be published online February 13 in The Journal of Cell Biology, suggests that the loss of Importin - 11 may destabilize PTEN, leading to the development of lung, prostate, and other cancers.
«Indeed, when we studied the mice at the embryonic stage, we saw the cells between the muscle fibers expanded explosively and formed tumors early in development,» Hatley said.
The mouse model could also contribute to the further development of immunotherapies — a method in which the body's immune system is stimulated, so that it intensifies its fight against tumor cells.
«In drug development, it's easier to turn that growth function off than it is to switch on the cell's defective tumor suppression mechanism.»
«In our study, we demonstrated that alpha - KGDH, when coupled with Gcn5, induces histone succinylation and promotes tumor cell proliferation and tumor development
Terbinafine, a U.S. Food and Drug Administration — approved antifungal drug targeting SQLE, markedly inhibited SQLE - induced NAFLD - HCC cell growth in NAFLD - HCC and HCC cells and attenuated tumor development in xenograft models and in Sqle transgenic mice.
The progression from gene mutation in the renal cells to the development of a tumor took eight to twelve months.
«This model supported cancer development so strongly that some mice developed invasive squamous cell skin cancers similar to the patient's tumor,» said lead author Shadmehr Demehri, MD, PhD, a dermatologist and postdoctoral fellow.
When the researchers examined the cells and molecules involved in chronic contact allergy in mice, they identified several that already had been linked to tumor development.
«This development has the potential to enable earlier detection of solid tumors through a simple blood draw by substantially improving our ability to detect very low quantities of circulating DNA derived from tumor cells,» says corresponding author Hunter Underhill, M.D., Ph.D., who initiated the research while in the lab of senior author Jay Shendure, M.D., Ph.D., a professor in genome sciences at the University of Washington.
How cell division occurs and is coordinated with organismal development is a subject of intense research interest, as is how this process malfunctions in the development of tumors.
In fact, associations of cancer cells with the normal peritumoral microenvironment can profoundly impact tumor growth and development.
Now he and his team are putting cells from human brain tumors into the organoids, which have reached the level of development and complexity of a 20 - week - old human fetus's, to see whether they reprise what happens in patients.
Their results demonstrate that specific rhoptry and dense granule effector proteins that T. gondii secretes before and after host cell invasion, respectively, control the development of an effective host antitumor response, and increase the survival of mice with ovarian tumors.
Dr. Yaffe's research focuses on the biology of the complex signaling pathways that cells use to respond to DNA damage and inflammation, particularly the role of protein kinases and modular binding domains in tumor development and anti-cancer therapeutics.
Other studies have found that nutrients in dark, leafy greens may inhibit the growth of tumor cells in breast, skin, lung and stomach cancers and that green tea may thwart cancer development in colon, liver, breast and prostate cells.
In experiments with cancer cell lines, the PIM1 inhibitors killed cells in a MYC - dependent manner, and in two different mouse models — one in which mice were implanted with patient tumors and the other in which a genetic alteration of MYC predisposes the mice to tumor development — the administration of PIM1 inhibitors resulted in significant tumor regression.
Neurocutaneous disorders are caused by abnormal development of cells in the embryonic stage, leading to tumors in various parts of the body, including the skin, organs, bones, brain and spinal cord.
Research on lab animals has shown some of the chemicals cause cancerous tumors and damage developing brain cells, and some can alter hormones essential to reproductive and neurological development.
When cancer develops, the generated cells are not uniform in their biological properties and contribute differently to tumor development.
This led to development of newer technology, called single cell sequencing (SCS), that has had a major impact in many areas of biology, including cancer research, neurobiology, microbiology, and immunology, and has greatly improved understanding of certain tumor characteristics in cancer.
They promote the growth of cancerous cells by releasing growth factors and increasing the response of certain proteins that regulate tumor cell development (oncoproteins).
While these mutations do not directly relate to the development or progression of a tumor, they can reveal its lineage — how individual tumor cells are related to each other.
PDGFRα is a cell surface tyrosine kinase receptor involved in organ development and tumor progression, it is present in multiple cell types such as mesenchymal cells, neurons, astrocytes, megakaryocytes and oligodendrocyte progenitor.
«To answer these questions, one has to divide cancers into two groups: solid tumors that require the development of a blood supply to metastasize and enlarge, and soft tumors that may have circulating cells, as in leukemias.
The authors note that there are two different models of metastasis — one in which an advanced primary tumor disseminates metastatic cells late in its development, which would predict little genetic difference between primary and metastatic cells, and another in which metastasis occurs early in tumor development, which would predict significant genetic differences in metastatic cells that have evolved separately from those in the primary tumor.
In a development that could lead to a new generation of drugs to precisely treat a range of diseases, scientists from the Florida campus of The Scripps Research Institute (TSRI) have for the first time designed a drug candidate that decreases the growth of tumor cells in animal models in one of the hardest to treat cancers — triple negative breast cancer.
By matching normal and cancer cells from a patient, we can now study the differences — what molecules are key to tumor development and growth, and, ultimately, match treatments that might disable this cancer,» says the study's senior investigator, associate professor of pathology, Xuefeng Liu, MD, a member of the Center for Cell Reprogramming (CCR) at Georgetown University Medical Center.
The discovery of cells» ultra-sensitivity for mechanical property of their environment is crucial to understanding basic physiological processes that underlie embryo development, tumor metastasis, wound healing and many other aspects of human health and disease.
Knowing how cells exert force and sense mechanical feedback in their microenvironment is crucial to understanding how they activate a wide range of cellular functions, such as cell reproduction, differentiation and adhesion — basic physiological processes that underlie embryo development, tumor metastasis, wound healing and many other aspects of human health and disease.
This study demonstrated that emulsifier - induced alterations in the microbiome were necessary and sufficient to drive alterations in intestinal epithelial cells» homeostasis, which is thought to govern tumor development.
The effects of consuming emulsifiers were eliminated in mice devoid of microbiota (germ - free mice), and transplanting microbiota from emulsifier - treated mice to germ - free mice was sufficient to transfer alterations in intestinal epithelial cells» homeostasis, suggesting a central role played by the microbiota in tumor development.
Durvalumab and tremelimumab are drugs in clinical development that block the PD - 1 / PD - L1 and CTLA - 4 pathways, respectively, and function to restimulate the immune system to target tumor cells.
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