Sentences with phrase «in human tumor cells»

Linking DNA methyltransferases to epigenetic marks and nucleosome structure genome - wide in human tumor cells.

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.
«Animal studies and in - vitro studies with human cells have repeatedly shown that food - grade carrageenan causes gastrointestinal inflammation and higher rates of intestinal lesions, ulcerations, and even malignant tumors
Capsaicin additionally produced a significant deceleration of the development of prostate tumors created simply by those human cell lines grown in mouse models.
To determine how the cells switch from one type to another, they took three human uterine carcinosarcoma samples and sequenced the genomes of cells in two parts of each tumor: the carcinoma and sarcoma components.
Introducing human prostate cancer cell lines into mice, Wu and his colleagues saw a particular enzyme called MAOA activate a cascade of signals that made it easier for tumor cells to invade and grow in bone.
In human cells and in mice, the virus infected and killed the stem cells that become a glioblastoma, an aggressive brain tumor, but left healthy brain cells alonIn human cells and in mice, the virus infected and killed the stem cells that become a glioblastoma, an aggressive brain tumor, but left healthy brain cells alonin mice, the virus infected and killed the stem cells that become a glioblastoma, an aggressive brain tumor, but left healthy brain cells alone.
«This model was trained on genetic data from human tumors in The Cancer Genome Atlas and was able to predict response to certain inhibitors that affect cancers with overactive Ras signaling in an encyclopedia of cancer cell lines,» Greene said.
Traditional genetic approaches together with the new wealth of genomic information for both human and model organisms open up strategies by which drugs can be profiled for their ability to selectively kill cells in a molecular context that matches those found in tumors.
Shih, Wang and their colleagues tested fostamatinib's power to reduce tumor size in mice implanted with human ovarian cancer cells that were resistant to paclitaxel.
Using human - derived glioblastoma cells in a mouse models, researchers found that the modified high - fat, low - carbohydrate diet increased life expectancy by 50 percent while also reducing tumor progression by a similar amount.
HBI member V. Wee Yong, PhD and research associate Susobhan Sarkar, PhD, and their team including researchers from the Department of Clinical Neurosciences and the university's Southern Alberta Cancer Research Institute, looked at human brain tumor samples and discovered that specialized immune cells in brain tumor patients are compromised.
The investigators report that trapping virus - loaded stem cells in a gel and applying them to tumors significantly improved survival in mice with glioblastoma multiforme, the most common brain tumor in human adults and also the most difficult to treat.
In addition, they injected mice with human cancer cells and found that the tumors grown in mice could be inhibited with PD17307In addition, they injected mice with human cancer cells and found that the tumors grown in mice could be inhibited with PD17307in mice could be inhibited with PD173074.
Published in Molecular Neurobiology, the study led by Dr Elodie Siney under the supervision of Dr Sandrine Willaime - Morawek, Lecturer in Stem Cells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor cCells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor cellscells.
Shah and his team loaded the herpes virus into human MSCs and injected the cells into glioblastoma tumors developed in mice.
Next, the team tested the GD2 CAR - T cells in mice whose brainstem was implanted with human DIPG tumors, an experimental system that Monje's lab pioneered.
In a series of experiments, the researchers first identified a set of 19 transcription factors that were expressed at significantly greater levels in cultured human glioblastoma stem cells capable of tumor propagation than in differentiated tumor cellIn a series of experiments, the researchers first identified a set of 19 transcription factors that were expressed at significantly greater levels in cultured human glioblastoma stem cells capable of tumor propagation than in differentiated tumor cellin cultured human glioblastoma stem cells capable of tumor propagation than in differentiated tumor cellin differentiated tumor cells.
To more accurately reflect the mechanisms driving oligodendrogliomas, the researchers used RNA sequencing to study directly, on a single - cell level, gene expression in samples from six early - stage human tumors.
Engineered human immune cells can vanquish a deadly pediatric brain tumor in a mouse model, a study from the Stanford University School of Medicine has demonstrated.
Several studies have supported a role for cancer stem cells in the aggressive brain tumors called glioblastoma, but those studies involved inducing human tumors to grow in mice, and as such their relevance to cancer in humans has been questioned.
Kilian said his team's synthetic microenvironment lies somewhere in the middle of two extremes in the field of modeling biology: the hard plastic plate, and expensive mouse avatars that are created by injecting human tumor cells into mice.
Human tumor cells (red) growing in a zebrafish embryo may help doctors choose how to treat cancer patients.
Oncologists William Hahn, Robert Weinberg, and colleagues at the Whitehead Institute for Biomedical Research in Cambridge, Massachusetts, mutated the gene for one part of the enzyme and inserted it into cultured human cells from colon, ovary, and breast tumors.
This week, Fior, who is at the Champalimaud Centre for the Unknown in Lisbon, and her colleagues reported growing implanted human tumor cells in zebrafish larvae.
When the scientists inserted human colorectal cancer cells into zebrafish embryos and allowed them to grow for 4 days, the resulting tumors showed three hallmarks of human solid tumors: rapid cell division, formation of blood vessels to supply nutrients, and the ability to spread to other locations in the body.
The researchers also tested a Runx2 knock - down variant of a human multiple myeloma cell line and found that it produced significantly less tumor growth in immunodeficient mice than the original human multiple myeloma cells.
Compared to a control (left), epalrestat treatment (right) reduces the number of metastatic tumors (arrowheads) in the lungs of mice injected with human basal - like breast cancer cells.
In the current study, Dr. Xu and colleagues gave radiation therapy to a mouse model of human pancreatic cancer to eradicate the bulk tumors, while only the cancer stem cells remained in the residual scarIn the current study, Dr. Xu and colleagues gave radiation therapy to a mouse model of human pancreatic cancer to eradicate the bulk tumors, while only the cancer stem cells remained in the residual scarin the residual scars.
However, some human tumor cells may also be hard to infect with viral therapies, Dr. Cripe reasoned, and knowing how cells respond in those situations could also be important to improving cancer treatments.
They found out that TiY is capable of distinguishing TICs from non-TICs in various human lung cancer cell lines and patient - derived lung tumors.
With a view to clinical studies (tests on humans) it is important to note that the effects on the tumor vasculature were even observed at chloroquine concentrations that had little effect on autophagy in the cancer cells.
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.
However, cancer cells may instead be coaxed to turn back into normal tissue simply by reactivating a single gene, according to a study that found that restoring normal levels of a human colorectal cancer gene in mice stopped tumor growth and re-established normal intestinal function within only 4 days.
The discovery of an unexpected biochemical link within tumor cells should lead to clinical trials for experimental drug treatments that indirectly target myc and that already are being evaluated in human studies, the researchers said.
«But cancer cells in the lab don't necessarily indicate the response of human tumors,» Håkansson reminds the group.
Cheng and colleagues did experiments using human cells and identified hnRNPM's role in controlling the processes linked to tumor metastasis.
In earlier studies involving animal models and human cancer cell lines, researchers found that breast cancer spreads when three specific cells are in direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spreaIn earlier studies involving animal models and human cancer cell lines, researchers found that breast cancer spreads when three specific cells are in direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spreain direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spread.
Glioblastomas in lab dishes and mouse brains are fakes, little Potemkin villages that everyone thought were faithful replicas of human glioblastomas but which, lacking tumor stem cells, were nothing of the kind.
They tested these drugs one at a time for lethal interaction with 112 different tumor - suppressor gene mutations in human cancer cells growing in the lab.
The size difference between tumor and healthy circulating DNA was initially discovered in animal tumor models created by inducing tumors with human cancer cells.
One of those genes, K - Ras, which was discovered nearly 30 years ago, is mutated in 30 percent of human tumors, including 90 percent of pancreatic cancers, 40 percent of colon cancers, and 20 percent of non-small cell lung cancers.
In human cells as well, if Nbs1 and ATM function in the same way to ensure repair of DNA damage, tumor formation may be preventeIn human cells as well, if Nbs1 and ATM function in the same way to ensure repair of DNA damage, tumor formation may be preventein the same way to ensure repair of DNA damage, tumor formation may be prevented.
Another is that the transplanted bits of tumor act nothing like cancers in actual human brains, Fine and colleagues reported in 2006: Real - life glioblastomas grow and spread and resist treatment because they contain what are called tumor stem cells, but tumor stem cells don't grow well in the lab, so they don't get transplanted into those mouse brains.
To see if PGD and the pentose phosphate pathway were tied to the epigenetic changes the researchers had detected in distant metastases, they treated tumor cells from different sites in a single patient with the drug 6 - aminonicotinamide (6AN), which is known to inhibit PGD but is not used in humans because of its severe side effects.
This group's achievement shows the possibility to clarify the mechanism of human tumor formation, especially the molecular mechanism responsible for in the initial stage of cell cancerization due to DNA damaged by radiation in the initial stage, by using the model of budding yeast, a primitive eukaryote.
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.
Shah next plans to rationally combine the toxin - secreting stem cells with a number of different therapeutic stem cells developed by his team to further enhance their positive results in mouse models of glioblastoma, the most common brain tumor in human adults.
The Ogretmen laboratory screened previously reported microarray data sets of several human tumor tissues (metastatic head and neck squamous cell carcinoma, melanoma, and renal cell carcinoma) and showed that, in these samples, only the levels of CerS4 were significantly decreased.
In experiments involving mice injected with human GBM cells, the scientists also demonstrated that if either PTEN or DAXX were eliminated, then tumor growth occurred.
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