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 alon
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 alon
in 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 PD17307
In addition, they injected mice with
human cancer
cells and found that the
tumors grown
in mice could be inhibited with PD17307
in 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 c
Cells 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 cell
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 cell
in cultured
human glioblastoma stem
cells capable of
tumor propagation than
in differentiated tumor cell
in 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 scar
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 scar
in 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 sprea
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 sprea
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 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 prevente
In human cells as well, if Nbs1 and ATM function
in the same way to ensure repair of DNA damage, tumor formation may be prevente
in 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.