Sentences with phrase «blood cells kill»

In fact, our white blood cells kill bacteria and viruses by releasing hydrogen peroxide and other compounds we call free radicals.

Not exact matches

Turmeric has been shown to kill cancer cells, boost blood circulation, and reduce the pain and fever associated with illness.
This injection contains antibodies that will help kill off any of your baby's red blood cells that may have entered your blood stream, thereby preventing your body from developing its own antibodies to your baby's blood.
In these cases, the Rh incompatibility causes a mother's antibodies to kill off her baby's red blood cells.
A potentially fatal battle between the immune cells of a blood marrow donor and a recipient seems to kill off any HIV as a side effect
In addition, the high doses of antibiotics needed to kill such an infection indiscriminately destroy healthy red blood cells in addition to contaminated ones.
The virus does this because, unlike most microbes, Zika can pass from blood into the brain, where it infects and kills stem cells, having severe effects on developing brains.
HIV is a disease of the gut, a concept that's easy to lose sight of with all the attention paid to sexual transmission and blood measurements of the virus and the CD4 + T cells it infects and kills.
Rubinstein said checkpoint therapies work by cutting the brake cables on the white bloods cells that are inherently able to kill tumor cells.
«We found that a protein expressed by gut bacteria called Bacteroides works to prevent IBD by rapidly recruiting white blood cells to kill a cell of the immune system that is responsible for orchestrating IBD,» says McCoy.
They both had standard chemotherapy to kill their native blood cells before undergoing a bone - marrow transplant from a donor to repopulate their blood.
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).
University of Melbourne Professor, Leann Tilley, an Australian Research Council Laureate Fellow at the Bio21 Institute, tested the new drug in red blood cells infected with parasites and found that it was as effective at killing the artemisinin resistant parasites as it was for the sensitive parasites.
«Tumor cells often produce suppressive factors which essentially turn the brakes on tumor - killing white blood cells.
Frostbite kills exposed skin but also damages deeper tissue by restricting blood vessels, preventing oxygen from reaching cells [see image above].
Using cells from cadavers, doctors have been experimentally transplanting pancreatic islets into humans for decades, but as many as 60 percent of the transplanted islets die immediately because they are cut off from their blood supply and are killed by an immune response due to direct injection into the bloodstream, and those that survive the transplant usually die within several months.
The parasites eventually explode from the blood cells, killing them in droves.
After «inhaling» E. coli, for instance, the lung attracted human white blood cells to attack and kill the bacteria, a process scientists have long understood but never before witnessed in vitro.
Malaria parasites (green) are killing this red blood cell, but a new study suggests they also damage bone.
CANCER CRUSH In CAR - T cell therapy, a cancer treatment approved by the FDA this year for certain blood cancers, a patient's T cells (teal) are genetically modified to hunt down and kill cancer cells (blue).
Patients received a tandem of lenalidomide, a drug that kills tumor cells, blocks blood vessel growth, and acts on the immune system, and dexamethasone, an anti-inflammatory agent, plus one of three new agents:
He determined that a compound produced by the mold, which he called penicillin, could kill pathogenic bacteria but not white blood cells or human tissue.
This process helps to form both a bacteria - killing NET — which is comprised of infection - combatting white blood cells called neutrophils — and the fluffy, scattered ball that comprises a blood clot.
Using an in vitro human blood brain barrier model, the researchers demonstrated that radiolabeled mAb2556 could cross the blood brain barrier and kill HIV - infected cells without any overt damage to the barrier itself.
Saurabh Saha of BioMed Valley Discoveries in Kansas City, Missouri, and his colleagues wondered whether they could use the bacteria to selectively kill mammalian cells within cancerous tumours, which often have a poor blood supply and therefore low oxygen levels.
DDRs inhibition with a tyrosine kinase inhibitor appears to insulate the brain via blood - brain barrier repair, which prevents harmful immune cells that circulate in the body from getting into the brain where they can indiscriminately attack and kill healthy and sick neurons, like those that have been unable to perform autophagy to «take out their trash,» says Moussa.
The new device will allow for more accurate medical procedures that involve the use of ultrasound to kill tumours, loosen blood clots and deliver drugs into targeted cells.
Researchers have been seeking a way to improve the body's ability to combat the virus by engineering blood - forming stem cells to specifically target and kill HIV - infected cells for the life of the individual.
Another approach focuses on the malaria parasite, which jumps from one red blood cell to another, killing the cells in the process.
Further searching turned up retroviral particles, which could kill white blood cells and which also reacted with antibodies from infected patients.
When the team tested the drug on cells grown in the lab, they found that it killed blood vessel cells and prevented growth of new blood vessels.
Myeloperoxidase is an enzyme in leukocytes (white blood cells) that is effective in killing various microorganisms.
The production of healthy red blood cells is critical for those with acute myeloid leukemia but is sometimes overlooked as conventional treatments focus on killing the leukemia cells alone.
Without a blood supply, cancer cells do not effectively metastasize to other organs and thereby kill the patient.
«Loophole for cancer cells found: Cancer cells kill blood vessel cells so that they can slip through the vascular wall, form metastases.»
Approximately 1 percent of Caucasians lack a protein called CCR5 on their CD4 T cells — the white blood cells that normally kill invaders but that harbor HIV.
Total remission, Alani said, may be possible with metronomic dosage, but the initial goal is not only to kill cancer cells but to create an environment in which it's very difficult for them to grow, largely by cutting off the large blood supply these types of cells often need.
In most cases, infected epithelial cells are quickly killed by CD8 + cells, a type of white blood cells; only occasionally does the infection overwhelm the immune system, resulting in a lesion.
When the animals» immune systems identify a cancer cell, a genetic tweak allows their bodies to launch a massive attack of white blood cells that kills the budding tumor.
One possibility, he says, is that the treatment doesn't kill blood vessels indiscriminately but targets only fine branches of vessels, putting fat cells under stress without destroying them.
In 2012, Rik de Swart of Erasmus MC in Rotterdam, Netherlands, and colleagues revealed that the measles virus kills large numbers of memory cells, white blood cells that prevent subsequent infections by the same pathogen.
The only blood components that contain DNA are white blood cells, but blood banks routinely irradiate donor pints with gamma rays to kill off these cells because they can trigger a rejection response in their new host.
One reason the bacterium has survived for so long is that it has developed a sophisticated mechanism for hiding in the body: it resides in white blood cells called macrophages, the very cells that would normally kill it.
The innate system — via stem cells in the bone marrow — mobilizes macrophages, which are a type of white blood cell that swallows and kills invading bacteria like Mycobacterium tuberculosis (Mtb) that causes TB.
«The current model of disease is that when Mtb bacteria are inhaled, they reach the end of the lung — the alveolus — and then are ingested by a macrophage, a type of white blood cell that swallows and kills invading bacteria,» Dr. Shiloh said.
Allender and former veterinary student Lauren Kane demonstrated, however, that administering treatments via a fine spray allows therapeutic levels of terbinafine, an antifungal agent that kills O. ophiodiicola in cell culture, to get into healthy snakes» blood plasma.
This kills some but not all of the patient's white blood cells.
The old, telomerase - deficient mice also had weaker immune systems and had more trouble recovering from a dose of chemotherapy that killed blood cells.
Finally, the researchers injected these partially differentiated cells into sickle cell mice that had been treated with radiation to kill their own blood stem cells.
But these electrodes are wide — around 1.5 millimetres in diameter — and kill brain cells and sometimes hit blood vessels when they are inserted.
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