Sentences with phrase «kills human cells»

However, it quickly becomes apparent that the «cure» kills all human cells, and everyone on Earth begins to die.
The naturally occurring arsenic kills human cells, leading first to skin scarring and then, as it slowly builds up in the body, to brain damage, heart disease and cancer.
«Artemisinin causes damage to the proteins in the malaria parasite that kill the human cell, but the parasite has developed a way to deal with that damage.

Not exact matches

• A mover and shaker in the National Institutes of Health promotion of creating and killing human embryos in stem cell research is Brigid Hogan, a British researcher at Vanderbilt University.
Only 10 % of the cells in and on your body are human, the other 90 % is the trillions of life forms that inhabit and live on your body... some of them can kill you if they get too numerous.
If you claim that as a single cell it has value of a person, then the trillions of single cell organisms you kill every day... they have less value simply because they don't have human DNA?
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 alone.
When Gupta's team added salinomycin to cultured human breast - cancer cells, it was about 100 times as effective at killing the cancer stem cells as popular anti-cancer drug, paclitaxel.
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.
An unknown component of breast milk appears to kill HIV particles and virus - infected cells, as well as blocking HIV transmission in mice with a human immune system.
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.
Raising concerns about potential harm to human health, other recent research has shown that some metal nanoparticles can damage DNA or kill cells.
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.
Pseudomonas also will kill human lung cells in tissue culture dishes.
«The bacterial enzyme killed about 90 % of the MOLT4 human leukemia cells and displayed low toxicity to the healthy HUVEC cells, killing only 10 %,» Monteiro said.
Avivi's team has found out that fibroblast skin cells from the armpits of the rats can kill human cancer cells in a dish.
We've also found that in a petri dish, the anti-quorum-sensing molecule prevents Pseudomonas from killing human lung cells and from making a biofilm that would enable it to mount an attack.
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.
Although the Nppb - knockout mice lived a normal lifespan, when the researchers killed the receptor cells in the spinal cord, the mice died prematurely, suggesting that it could be dangerous to try humans, Hoon says.
In humans they have been shown to cause infertility by killing egg cells in the ovaries.
Programmed cell death, or apoptosis, is a natural process that kills billions of cells in a typical human body each day.
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.
They found that indeed, they do, and that stimulating these cells led them to kill cells infected with HIV - 1 derived from latently infected cells, both in culture and in mice engineered to have a human immune system.
The researchers showed that cabazitaxel worked better than docetaxel in human prostate cancer cells lines that were resistant hormone treatment, both in terms of slowing cancer - cell growth and in its ability to kill cancer cells.
The researchers ended up with 172 drug - gene mutation combinations that successfully killed both yeast and human cancer cells.
A radio - labeled human antibody binds to the viral gp41 protein expressed on the surface of the HIV - infected human lymphocyte and the cell is killed by alpha radiation delivered by the antibody.
When they delivered this virus into the noses of mice and ferrets, the animals» epithelial cells produced the desired antibodies; they then «challenged» the animals with a range of dangerous influenza viruses that no single vaccine can outwit, including H5N1, which kills both birds and humans, and the H1N1 that caused the infamous 1918 pandemic.
One of these, UJ3, is as effective as the industry - standard drug Cisplatin in killing cancer cells in laboratory tests done on human esophageal cancer, breast cancer and melanoma.
One circuit senses levels of five different microRNAs, and if the levels match those typically found in human cervical cancer cells, the circuit produces a protein that kills the cell.
«We don't know if this will work in humans, but it's exciting to have a solid new lead on how this condition kills brain cells
The scientists found that, at certain concentrations, one of the compounds of the series selectively killed human ovarian cancer cells without harming healthy cells.
Overactive T cells are also a factor in AIDS, points out Varki, which may help explain why HIV, which evolved in chimps, kills only humans.
The fibroblasts rapidly killed the human cancer cells.
Using a combination of human or specially engineered mouse cells in vitro and in vivo animal models, study senior investigator Judy Lieberman, MD, PhD; study lead investigator Farokh Dotiwala, PhD, with a team lead by the Brazilian parasitologist Ricardo Gazzinelli, DSc, DVM, found that when an immune killer cell, such as a T - cell or natural killer (NK) cell, encounters a cell infected with any of three intracellular parasites (Trypanosoma cruzi, Toxoplasma gondii or Leishmania major), it releases three proteins that together kill both the parasite and the infected cell:
Over the past two years, investigators from the Perelman School of Medicine at the University of Pennsylvania have reported results from a human trial in GBM using chimeric antigen receptor (CAR) T cell therapy, through which patients» own T cells were engineered to track down and kill cancer cells that express a tumor - specific protein known as EGFRvIII.
Li points out that, unlike yeast cells, human and mammalian cells have a protein called p53 that kills cells with abnormal numbers of chromosomes.
This rhinovirus reliably kills HeLa cells, a line of human - derived cells that have long been used in studies of viral infection.
For example, Burke's group recently synthesized a derivative of the anti-fungal medication amphotericin (pronounced AM - foe - TAIR - uh - sin), which led to a big breakthrough in understanding how this clinically vital but highly toxic medicine works and the discovery of another derivative that is nontoxic to human cells while still effective at killing fungus.
When the researchers mixed MVs and cells of human origin, they found that the MVs can invade and kill these cells, suggesting that GBS MVs are toxic to the human host.
The researchers then tested the capacity of the modified cells to kill human multiple myeloma cells in laboratory studies and an animal model.
The study of human astrocytes has faced issues related to access (samples of living tissue must be obtained from brain cancer or epilepsy surgeries or fetal tissue) and purification (breaking apart astrocytes away from other cells often killed them and many experiments ended in failure).
Since the thyroid absorbs nearly all of the iodine in the human body, radioactive iodine given to a patient will concentrate in thyroid cancer cells, killing them with little effect on the rest of the body.
VIRUS VICTORY Zika virus (green) infects and kills stem cells (red) in human glioblastoma tissue, without infecting healthy brain cells.
The researchers grew the modified cells in the lab to increase their numbers and then injected them into an animal model where they again killed human myeloma cells.
The researchers modified a type of human immune cell — called T lymphocytes, or T cells — to target a molecule called CS1, which is found on more than 95 percent of myeloma cells, and to kill the cells.
Séralini's report in BioMed Research International describes how pesticides kill cultured human cells, with the hair - raising conclusion that pesticides may be vastly more toxic than assumed by regulatory authorities.
Upon excitation, the molecule, which was otherwise not harmful to the cells, killed the cell population of the human HeLa cell line to almost 100 percent.
The researchers investigated the underlying biology and found that lansoprazole kills the bacterium after the human cells convert it into a sulfur - containing metabolite.
But when billions of toxic cells come together, they can poison humans, kill marine life, and economically harm coastal communities.
«Because fungi are so similar to human cells, developing new drugs that kill fungi — but are non-toxic to humans — is a challenge.
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