Dr. Altieri also leads a research program that studies how tumor
cells evade programmed cell death and the role of mitochondria, power plant of the cells, in tumor metabolism.
Like a stealth fighter jet, the coating means
the cells evade detection by the early - warning immune system that should detect and kill them.
The Altieri laboratory is interested in how tumor
cells evade apoptosis — also known as programmed cell death — which is the process that normally causes dysfunctional cells to self - destruct.
Dr. Campisi has found instead that a minority of senescent
cells evade destruction by secreting high levels of matrix metalloproteinases (MMPs), which cleave MICA / B ligands and thereby prevent NKG2D binding.
Altieri is interested in how tumor
cells evade the normal processes that cause cells with genetic faults to self - destruct.
«Scientists show how cancerous
cells evade a potent targeted therapy: Significant antitumor activity was shown in cancers when this therapy was combined with an enzyme.»
A molecule that helps cancer
cells evade programmed self - destruction, an internal source of death, might also help malignant cells hide from the immune system, an external source of death.
The 2016 People's Choice Award went to Emmanuelle Alaluf of the Free University of Brussels, for her video using ballet and other dance styles to show how tumor
cells evade the immune system.
To dispose of one obvious objection, yes, it's proved we already know all six of the 4 - D regular polytopes — but the 11 -
cell evaded attention by having an unusual form.
Not exact matches
This implies that cancer genes, and the mechanisms that allow tumour
cells to
evade apoptosis, «have deep evolutionary roots».
Some studies are pointing to the fact that the same systems that allow the fetal
cells to help with milk production in a mother's breast tissue, also help
evade her immune system.
The NYPD does not have to release specific information about «Stingrays,» the department's portable
cell phone tracking devices, because the disclosure could help criminals
evade detection by law enforcement, a judge ruled.
During the sessions, U.S. and Cuban scientists explored such topics as the molecular mechanisms cancer
cells employ to
evade the body's immune system, new tools to image and manipulate that system, and ways to rethink how such therapies can best be deployed to reach patients where they receive health services.
Based on the evolutionary idea that targeted epigenetic stochasticity can improve adaptation, these observations could explain how cancer
cells are good at
evading chemotherapy treatments and spreading from one part of the body to another, he adds.
The experiments point to an immune system
cell that
evades the toxic effects of cyclophosphamide and protects patients from a lethal form of GVHD.
The findings, in mice and in human stomach
cells, also raise questions about how cancer
cells may
evade treatment.
«This study shows that NF - kB might coordinate a network of immune - suppressor genes whose products enable tumor
cells to
evade adaptive immunity,» he adds.
Mutations transform the genome of a tumor; its
cells become genetic outlaws that spread, ignore normal stop - and - go signals and
evade cancer - killing drugs or radiation.
Also, HIV
evades the body's CD8
cells by constantly mutating, escaping recognition by CD8
cells and making them ineffective.
«Common cancers
evade detection by silencing parts of immune system
cells.»
It's
evaded our detection so far, but now a hormone made by fat
cells, discovered in two people with abnormally low fat, could help treat diabetes and obesity
The frenzied reproduction of cancer
cells is also a key part of their ability to
evade our assaults, because it is essential to their capacity to evolve new solutions to the challenges that we throw up against them.
After treatment with AZA, the epigenetic changes were reversed, rendering the cancer
cells unable to
evade the immune system any longer.
These genetic miscues can cause
cells to grow out of control,
evade the immune system, or fail to execute essential functions needed to maintain health.
Slusher teamed up with Johns Hopkins Kimmel Cancer Center immunologist Jonathan Powell, M.D., Ph.D., who has studied how cancer
cells use different metabolic pathways to
evade destruction by immune
cells.
Now, thanks to the new mouse model, it will be possible to study how renal tumors are able to develop in an environment with a normal immune system, and how cancer
cells manage to
evade the immune system's attacks.
In a decades - long game of hide and seek, scientists from Sydney's Westmead Institute for Medical Research have confirmed for the very first time the specific immune memory T -
cells where infectious HIV «hides» in the human body to
evade detection by the immune system.
Some scientists have blamed so - called cancer stem
cells, a subset of cancer
cells that might be able to remain dormant,
evading chemotherapy or radiation treatments, only to form new tumors months or years later.
But cancer
cells put out signals that help them
evade immune response, say the authors.
These patients were subsequently treated with the drug ketoconazole, which blocks the production of androgens outside of the testes (e.g., those developed by prostate cancer
cells that are
evading ADT treatment).
PD - 1 (programmed
cell death protein 1) is a receptor on the surface of T
cells (the white blood
cells that are part of the immune system), while PD - L1 (programmed death - ligand 1) is a molecule that binds to PD - 1 and is often over-expressed on the surface of cancer
cells, enabling them to
evade the immune system and allow cancer to grow and spread.
The new technique seemed to avoid the political pitfalls, and also to
evade the perils of rejection since the
cells were the patient's own.
Our best approach for battling these microbes is to better understand the tools and tactics used to co-opt our
cells and
evade the body's defenses.
HIV is also able to
evade attack by hiding inside a person's immune
cells.
Because diseases such as cancer tend to
evade detection by T -
cells» receptors, allowing a tumor to grow unchecked, scientists have long sought «intel» on this process as a means of developing therapies that target malignant
cells, but leave healthy
cells alone.
Cancer Research UK scientists have discovered a new line of defence used by cancer
cells to
evade cell death, according to research published in Nature Communications.
A new era of lung cancer therapy is close to dawning, using drugs that can prevent tumour
cells from
evading the immune system, experts have said at the 4th European Lung Cancer Congress.
In fact, researchers at Stanford are already collaborating on initial clinical trials of an antibody that blocks cancer
cells from displaying one such death -
evading signal — a molecule called CD47.
For a malignant tumor to form, cancer
cells must
evade the immune system's attack.
Analysis showed that these
cells were remapping their routes and finding ways to
evade the drug's effect long before any changes could be detected at the clinical level.
Tumor
cells develop mechanisms to
evade detection by the immune system by expressing a protein called PD - L1.
Considerable success has been achieved in engineering immune
cells to
evade the suppressive effects of cancer and kill malignant
cells.
T. cruzi is already known to disguise its
cell surface with human proteins and sugars: apoptosis would be yet another weapon in the arsenal that helps it
evade the immune system.
«Brain cancer
cells are very good at
evading the host immune system, because they do not express specific targets that can be recognized by immune
cells,» said Liau, professor and vice chair of neurosurgery.
Researchers found that the drugs, called Hsp90 inhibitors, specifically target and inactivate a mechanism commonly used by prostate cancer
cells to
evade the effects of standard treatment.
Disease - causing pathogens have been shown to manipulate or attack the ubiquitination process to disarm immune
cells and
evade the body's defense mechanisms, he said.
Immunologists have suspected that P. falciparum, the most deadly malaria parasite, uses several mechanisms to
evade the human immune response and invade red blood
cells.
Geneva, Switzerland, 26 March 2014 — A new era of lung cancer therapy is close to dawning, using drugs that can prevent tumour
cells from
evading the immune system, experts have said at the 4th European Lung Cancer Congress.
Cancer researchers have applied a comprehensive set of analytical tools to lethal cases of metastatic prostate cancer, yielding a detailed map of the complex networks of interactions among genes and proteins that enable prostate cancer
cells to proliferate and
evade treatment.
In the future, scientists hope to target stem -
cell - like
cells within cancers that may be responsible for most of the growth of some tumours, and
evade existing drugs.