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.