The researchers are reporting preclinical findings for a potential two - treatment strategy to block multiple
mechanisms of cancer cell metabolism in pancreatic cancer at the American Association for Cancer Research Annual...
Almost
every mechanism of cancer cells tested was reported to be affected by these drugs, a phenomenon hardly to be traceable back to one or a few underlying molecular targets.
As the studies summarized above suggest,
the mechanism of cancer cell death caused by selenium is its ability to increase extracellular glutathione, an antioxidant that plays a role so critical in eliminating toxins from the body, that Dr. Mark Hymann has called it «the mother of all antioxidants».
Not exact matches
As a
cancer researcher, do you think the
mechanisms of tumor growth are somehow changing to come into line with your perceptions, or is it possible that the process
of our learning more about DNA mutations and
cell architecture and nutrient exchange and epigenetic effects make it possible for us to inch ever closer to understanding that which is already going on under our noses?
Similar to capsaicin, tumor necrosis factor is suspected to both induce and reduce
cancer cell growth, and was shown to commit
cells to survival when stimulating EGFR transactivation
mechanisms, indicating that EGFR could act as a molecular switch determining the antiapoptotic effect
of tumor necrosis factor (50).
The findings, published in Proceedings
of the National Academy
of Sciences (PNAS), define a
mechanism in which the oncogenes turn on a protein called RSK2 that is required for
cancer cells to move.
Seeking one
mechanism to explain the induction
of cancer by many different agents, Huebner and Todaro had suggested that retrovirus oncogenes are a part
of the genetic baggage
of all
cells, perhaps acquired through viral infection early in evolution.
The Cent - 1 molecule kills
cancer cells through a
mechanism similar to that
of the template drug Rigosertib that is currently under commercial development.
«We've long known that NF - kB promotes
cancer development by subverting apoptosis, an internal safety
mechanism that otherwise would cause
cancer cells to self - destruct,» says principal investigator Denis Guttridge, PhD, professor
of molecular virology, immunology and medical genetics and
of molecular and cellular biochemistry.
A new study by researchers at The Ohio State University Comprehensive
Cancer Center — Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC — James) has identified a mechanism by which cancer cells develop resistance to a class of drugs called fibroblast growth factor receptor (FGFR) inhib
Cancer Center — Arthur G. James
Cancer Hospital and Richard J. Solove Research Institute (OSUCCC — James) has identified a mechanism by which cancer cells develop resistance to a class of drugs called fibroblast growth factor receptor (FGFR) inhib
Cancer Hospital and Richard J. Solove Research Institute (OSUCCC — James) has identified a
mechanism by which
cancer cells develop resistance to a class of drugs called fibroblast growth factor receptor (FGFR) inhib
cancer cells develop resistance to a class
of drugs called fibroblast growth factor receptor (FGFR) inhibitors.
Researchers at Roswell Park
Cancer Institute (RPCI) have identified a mechanism of breast cancer cells that leads to chemotherapy resistance in inflammatory breast c
Cancer Institute (RPCI) have identified a
mechanism of breast
cancer cells that leads to chemotherapy resistance in inflammatory breast c
cancer cells that leads to chemotherapy resistance in inflammatory breast
cancercancer.
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.
Metastatic melanoma is the deadliest
of the skin
cancers and the
mechanisms that govern early metastatic growth and interactions
of metastatic
cells with the brain microenvironment remain shrouded in mystery.
«Our work suggests a
mechanism for
cell lethality involving the regulation
of BCAAs as crucial elements in pancreatic
cancer by regulating ME3,» said Ronald DePinho, M.D., professor of Cancer Biology, senior author of the Nature paper and president of MD And
cancer by regulating ME3,» said Ronald DePinho, M.D., professor
of Cancer Biology, senior author of the Nature paper and president of MD And
Cancer Biology, senior author
of the Nature paper and president
of MD Anderson.
Adult drug resistant
cancer cells may contribute to this problem, and the authors discuss these and other
cancer drug resistance
mechanisms in their recent publication in the September issue
of the journal
Cancers.
«Further research into the detailed
mechanisms underlying ASIS in naked mole - rats may shed new light on
cancer resistance in the mole - rats and contribute to the generation
of non-tumorigenic human - iPSCs, enabling safer
cell - based therapeutics,» said Kyoko Miura, an assistant professor at Hokkaido University.
Researchers targeting colorectal
cancer stem
cells — the root cause
of disease, resistance to treatment and relapse — have discovered a
mechanism to mimic a virus and potentially trigger an immune response to fight the
cancer like an infection.
The work published in
Cancer Cell complements previous research efforts from the CNIO Melanoma Group, which could lead to the development of novel drugs that selectively target the mechanism of cell autodigestion as a potential therapeutic strat
Cell complements previous research efforts from the CNIO Melanoma Group, which could lead to the development
of novel drugs that selectively target the
mechanism of cell autodigestion as a potential therapeutic strat
cell autodigestion as a potential therapeutic strategy.
Autophagy has emerged as a key pathway that
cancer cells use to survive in the face
of assault by chemotherapy and radiation; however, autophagy as a potential druggable
mechanism in patients who become resistant to BRAF inhibitors has not been investigated.
The drug's
mechanism of action was entirely new: Instead
of attacking
cancer cells (like chemo), or indiscriminately revving up the immune system (like IL - 2), ipilimumab blocked a single receptor on one type
of immune
cell.
The time needed for breast
cancer metastases (secondary lesions caused by
cells that have escaped from the original tumour) to develop varies between patients, and little is known about the
mechanisms that govern latency (the dormant state
of cells that have already spread through the body).
Until now, little was known in preclinical models about the
mechanisms that allow breast
cancer cells to leave the latent state and even less is known in patients,» explains Roger Gomis, head of the Growth Control and Cancer Metastasi
cancer cells to leave the latent state and even less is known in patients,» explains Roger Gomis, head
of the Growth Control and
Cancer Metastasi
Cancer Metastasis Lab.
These techniques are key to understanding the molecular
mechanisms underlying
cell function in healthy and diseased individuals and the development
of diseases like
cancer.
The work also reinforces the importance
of finding tumor
cell clusters in the blood as a
mechanism of detecting
cancer metastasis earlier.
However, the
mechanisms by which tumor
cells interact to enhance the spread
of cancer remained unclear.
University
of Alberta researchers have discovered a
mechanism that may make
cancer cells more susceptible to treatment.
«This remodeling process
of the
cell proteome by autophagy is an important immune - suppressive survival
mechanism for Ras - driven
cancers, and inhibiting autophagy can provide a means to target these aggressive
cancers,» notes White, who is also a distinguished professor
of molecular biology and biochemistry at Rutgers School
of Arts and Sciences.
«These findings build on a long history
of work in our laboratory investigating
mechanisms by which
cancer cells respond to environmental stresses,» says Grant.
The phenomenon, known as Warburg effect, is typical for
cancer cells and the
mechanism behind is believed to benefit
cancer cells by switching biochemical engines from energy manufacturing reactions to anabolic reactions, which primarily support growth
of the
cell size and proliferation.
The study, called «Molecular Determinants
of Drug - Specific Sensitivity for Epidermal Growth Factor Receptor (EGFR) Exon 19 and 20 Mutants in Non-Small
Cell Lung
Cancer,» and published online in the journal Oncotarget, demonstrates how computer modeling of EGFR mutations found in lung cancer can elucidate their molecular mechanism of action and consequently optimize the selection of therapeutic agents to treat pat
Cancer,» and published online in the journal Oncotarget, demonstrates how computer modeling
of EGFR mutations found in lung
cancer can elucidate their molecular mechanism of action and consequently optimize the selection of therapeutic agents to treat pat
cancer can elucidate their molecular
mechanism of action and consequently optimize the selection
of therapeutic agents to treat patients.
«We challenged a current dogma in the field that emphasized PLK1's role in mitosis (
cell division) as a primary
mechanism for
cancer growth,» says Zheng Fu, Ph.D., lead investigator on the study, member of the Cancer Molecular Genetics research program at VCU Massey Cancer Center and assistant professor in the Department of Human and Molecular Genetics at the VCU School of Med
cancer growth,» says Zheng Fu, Ph.D., lead investigator on the study, member
of the
Cancer Molecular Genetics research program at VCU Massey Cancer Center and assistant professor in the Department of Human and Molecular Genetics at the VCU School of Med
Cancer Molecular Genetics research program at VCU Massey
Cancer Center and assistant professor in the Department of Human and Molecular Genetics at the VCU School of Med
Cancer Center and assistant professor in the Department
of Human and Molecular Genetics at the VCU School
of Medicine.
Understanding the physiological
mechanisms that cause or, as in this case, prevent genetic instability is a basic question in Molecular Biology and Biomedicine which is
of vital importance in the research against
cancer, given that genetic instability is a distinctive feature
of tumorous
cells.
UCLA scientists have unlocked an important
mechanism that allows chemotherapy - carrying nanoparticles — extremely small objects between 1 and 100 nanometers (a billionth
of a meter)-- to directly access pancreatic
cancer tumors, thereby improving the ability to kill
cancer cells and hence leading to more effective treatment outcome
of the disease.
While further research is needed to understand the effectiveness
of H1.0 protein in preventing the spread
of cancer growth, this research advances significantly the study
of the
mechanisms of cancer stem
cells and the relatively new epigenetic approach to
cancer research.
He then studied
cancer cell signaling, discovering
mechanisms of sensitivity and resistance to targeted agents.
Further investigations could pave the way to a more complete understanding
of the genetics and metabolomics
of cell growth in yeast and the underlying
mechanisms relevant to other settings in which
cells face challenging conditions, such as
cancer progression and the evolution
of drug resistance.
An international study led by scientists from the Crick Institute in London and the Hebrew University
of Jerusalem revealed a survival
mechanism in
cancer cells that allows the disease to erupt again even after aggressive treatment.
This research has the potential to rapidly reduce breast
cancer mortality by mimicking these
mechanisms with new drugs and improving prediction
of when cancerous
cells will grow or metastasize.
By manipulating it in vitro, a team
of researchers led by Prof. David Mooney at Harvard SEAS have identified a possible
mechanism by which normal
cells turn malignant in mammary epithelial tissues, the tissues frequently involved in breast
cancer.
Are there any other ways to strike at the fundamental
mechanisms that trigger growth
of cancer cells?
Researchers from the University
of Missouri School
of Medicine have identified a molecular
mechanism that operates in memory T
cells that could be manipulated to produce and maintain more memory T
cells in the body, a finding that could improve vaccinations and
cancer immunotherapies.
In one
of nature's mixed blessings, the
mechanisms that work to heal cuts and wounds, rebuilding damaged
cells, can also go out
of control and cause
cancer.
«Our study reveals important differences and specificities in the
mechanism of action
of high - and low - dose aspirin in metastatic and nonmetastatic
cancer cells with different tumor origins and suggests that the ability
of aspirin to prevent platelet - induced c - MYC [an oncoprotein] expression might be selective for a nonmetastatic phenotype.»
Now, researchers from the University
of Missouri School
of Medicine have identified a molecular
mechanism that operates in memory T
cells that could be manipulated to produce and maintain more memory T
cells in the body, a finding that could improve vaccinations and
cancer immunotherapies.
The
mechanism that becomes effective is a destructive signal sent by the antibody to the inside
of the
cancer cell and initiates its death.
Some
of the common genetic alterations identified in the study were gains and losses in chromosome 8, as well as
cell proliferation and
cell - cycle progression — key
mechanisms of cancer caused by genetic alterations — linked to the genes AURKA, AURKB and FOXM1.
A novel
mechanism — similar to how normal tissue stem
cells respond to wounding — might explain why bladder
cancer stem
cells actively contribute to chemo - resistance after multiple cycles
of chemotherapy drug treatment.
Tadashi Matsuda
of Hokkaido University and his colleagues in Japan investigated human prostate
cancer cells to determine if there is an unknown up - regulation
mechanism in the EGFR pathway.
For years, attempts have been made to understand the
mechanism behind the proliferation
of cancer cells: they need metabolites to grow and proliferate as much as a vehicle needs gasoline or electricity to move.
Cancer tumours manipulate a natural
cell process to promote their survival suggesting that controlling this
mechanism could stop progress
of the disease, according to new research led by the University
of Oxford.