Sentences with phrase «human cells called»

While working with Jung at Harvard, she identified a novel molecular mechanism through which a protein in human cells called RIG - I mediates defense against viruses.
The bacteria hide within human cells called macrophages, escaping the body's own immune defenses and being shielded from many types of antibiotics.
The Discher Lab has since shown that a protein on human cells called CD47 functions as a «marker of self» by interacting with a protein on the surface of macrophages called SIRPA.

Not exact matches

But in the lab, when the scientists manipulated human cells to be able to create the water bear shielding protein — called Dsup — they showed about half the DNA damage as normal cells.
Hoping to learn something about how the human body defends itself against cancer, he had zeroed in on a complex regiment of lymphocytes called T cells, common to the immune systems in both mouse and man.
But since you and I both know God is the ultimate authority and thus sets the standard, and God clearly is against abortion, and the atheists are erroneously calling very early human life nothing but «a bunch of cells,» isn't it up to us to fight for those lives?
A few weeks ago we all heard the announcement of a major scientific breakthrough that allowed scientists to create the equivalent of human embryonic stem cells (called induced pluripotent stem cells) but without using or destroying embryos.
Evidence of the fact that union differentiates is to be seen all round us — in the bodies of all higher forms of life, in which the cells become almost infinitely complicated according to the variety of tasks they have to perform; in animal associations, where the individual «polymerises» itself, one might say, according to the function it is called upon to fulfil; in human societies, where the growth of specialization becomes ever more intense; and in the field of personal relationships, where friends and lovers can only discover all that is in their minds and hearts by communicating them to one another.
Examples are 9/11 hijackings, The holding back of stem cell research that could save countless human lives, Aids being spread due to religious opposition to the use of condoms, Christians legally fighting this year to teach over 1 million young girls in America that they must always be obedient to men, the eroding of child protection laws in America by Christians, for so called faith based healing alternatives that place children's health and safety at risk, burning of witches, the crusades, The Nazi belief that the Aryans were god's chosen to rule the world, etc... But who cares about evidence in the real world when we have our imaginations and delusions about gods with no evidence of them existing.
The building block electronic and protonic actual occasions are, in the case of human beings, swept into vastly more complex, Chinese box - like sets of containing societies within which there are social levels that can be identified with cells, others which answer to Aristotle's levels of tissues and organs, and which finally are presided over by what Whitehead refers to as the regnant nexus, a social thread of complex temporal inheritance which, Whitehead suggests, wanders from part to part of the brain, is the seat of conscious direction of the organism as a whole, and answers to what in Plato and Aristotle is called the soul.
We referred to the news that these cells, called induced pluripotent stem cells (iPSCs), could be made from human skin....
There are no substances because the organized entities called atoms, cells, human beings and the like do not remain unchanged, no matter what their environment.
The lab - grown meat — which the company calls «clean meat» — is developed from self - reproducing cells taken from a chicken, with the purpose of creating a product that omnivores can't distinguish from the real thing, but with a fraction of the considerable downsides of meat production, including environmental destruction and using agricultural land to grow animal feed rather than crops for human consumption.
Capsaicin only inflames human cells because heat - detecting proteins in our nerve endings called TRPV1 receptors become activated in the chemical's presence, mistakenly interpreting capsaicin as a sign of extreme heat, and sending the body's burn defenses into overdrive.
Scientists at the Johns Hopkins Kimmel Cancer Center say they have preliminary evidence in laboratory - grown, human airway cells that a condensed form of cigarette smoke triggers so - called «epigenetic» changes in the cells consistent with the earliest steps toward lung cancer development.
This study built on previous research from the Sundrud lab, which showed that when TH17 cells entered the intestine in human tissue samples, they increased the expression of a gene called MDR1.
Introducing human prostate cancer cell lines into mice, Wu and his colleagues saw a particular enzyme called MAOA activate a cascade of signals that made it easier for tumor cells to invade and grow in bone.
Shukla and colleagues discovered that a small drug molecule called BX795, which is sold to labs for use in experiments, helped clear HSV - 1 infection in cultured human corneal cells, in donated human corneas, and in the corneas of mice infected with HSV - 1.
The main cog in the human biological clock is the suprachiasmatic nucleus (SCN), a group of nerve cells in a region at the base of the brain called the hypothalamus.
These «organs on a chip,» as they are called, are typically glass slides coated with human cells that have been configured to mimic a particular tissue or interface between tissues.
Oliver Brüstle, director of the Institute of Reconstructive Neurobiology at the University of Bonn, Germany, who had a patent on a method for generating neurons from human embryonic stem cells rejected by the court, called the ruling «the worst possible outcome», and «a disaster for Europe».
BRAIN CANDY A new database offers a deep look at living human nerve cells, revealing elaborate branching structures and myriad shapes, such as in this neuron called a pyramidal cell (cell image, left and 3 - D computer reconstruction, right).
In humans, Huntington's is an inherited disease caused by a gene encoding a toxic protein, called mutant huntingtin, which causes brain cells to die.
A research team led by scientists from Brigham and Women's Hospital has developed a novel technology platform that enables the continuous and automated monitoring of so - called «organs - on - chips» — tiny devices that incorporate living cells to mimic the biology of bona fide human organs.
Some scientists study cells, called primary human trophoblasts, that are isolated from placentas obtained after childbirth, but such cells do not divide, can be more difficult to obtain, and are more difficult to genetically manipulate to learn about biochemical pathways that have a role in placental function, Dr. Coyne said.
The unaltered hemagglutinin is akin to a key that unlocks a so - called receptor molecule in cells lining the upper airways of humans and other mammals.
We use viruses called phages that infect bacteria but not human cells.
Vamsi Mootha, a mitochondrial biologist at Massachusetts General Hospital, his graduate student Isha Jain, and their colleagues used a popular DNA - editing tool called CRISPR to knock out about 18,000 different genes in human cells that were altered to have the same problems as people with mitochondrial diseases.
Two weeks after the experimental myocardial infarctions, the Seattle researchers injected 1 billion heart muscle cells derived from human embryonic stem cells, called human embryonic stem cell - derived cardiomyocytes, into the infarcted muscle.
Published in Molecular Neurobiology, the study led by Dr Elodie Siney under the supervision of Dr Sandrine Willaime - Morawek, Lecturer in Stem Cells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor cCells and Brain Repair at the University, analysed how enzymes called ADAMs affect the movement and function of the human tumor cellscells.
Several studies have supported a role for cancer stem cells in the aggressive brain tumors called glioblastoma, but those studies involved inducing human tumors to grow in mice, and as such their relevance to cancer in humans has been questioned.
They added the modified adrenaline compound, called CP - 331679, to cultured human fat cells, and saw that the receptors were activated and were triggering a biochemical cascade inside the cell.
Geron, the biotech wunderkind, last made big news in November 1998 when scientists they funded — James A. Thomson of the University of Wisconsin and John D. Gearhart of Johns Hopkins — independently isolated two sorts of so - called human pluripotent stem cells.
In humans, a comparison of bone marrow from 14 normal bone marrow donors, 35 multiple myeloma patients and 11 patients with a noncancerous condition called monoclonal gammopathy of undetermined significance (MGUS) showed that Runx2 levels were significantly higher in the multiple myeloma cells.
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.
The human version of the cells, called region - selective pluripotent stem cells, or rsPSCs, can also grow inside a mouse, something other human stem cells can't do, says Jun Wu, a research associate involved in the work, published in May in Nature.
The calling patterns of three million cell phone users support a theory that female relationships change with shifting biological priorities, suggesting that women drive the evolutionary fitness of humans
The mice benefited from human stem cells called glial progenitors, immature cells poised to become astrocytes and other glia cells, the supposed support cells of the brain.
Experimenting with human cells and mice, Johns Hopkins researchers have found that a genetic mutation that alters a protein called NOD1 may increase susceptibility to human cytomegalovirus (CMV) infection.
The team found that lithium delays aging by blocking GSK - 3 and activating another molecule called NRF - 2, which is found in worms, flies and mammals (including humans) and is important for defending cells against damage.
Knowledge of this structure, called the cytoplasmic tail of gp41 protein, will help researchers further understand how the virus infects human cells and how progeny viruses are assembled and released from infected cells.
Human cells contain a protein called SQR that was thought to detoxify sulfur, but Mitchell's data indicate that it may allow cells to switch to hydrogen sulfide for energy production when oxygen isn't around.
Certain blood manipulation methods, such as administration of recombinant human erythropoietin (rHuEPO) and homologous blood transfusion, are currently tracked through a longitudinal profile called the athlete biological passport (ABP); however, there is not yet a test available for ABT, which is reinfusion of the athlete's own blood or red cell concentrates.
A company called Hematech is already breeding genetically engineered cattle (derived from cloned stem cells) that produce human antibodies to fight bacterial infections, and the animals» welfare is not compromised in any way.
Losing a genetic switch that increases production of a protein called GDF6 may have created the big toe and helped shape the human foot for bipedalism, scientists propose in a paper published online January 7 in Cell.
The UC team first reported how to use CRISPR in pieces of circular DNA called plasmids that can invade bacteria, but the Broad won a race to apply the method to human cells, which represents a potential billion - dollar marketplace for medicines.
They already knew of one such compound, a chemical called PD09859 that is one of 60,000 agents the NCI had screened for ability to block growth of human tumor cells.
Although that marker, called IL21, had not previously been associated with autoimmune diseases, the gene that produces it sits right in the stretch of DNA known to make these mice vulnerable to diabetes, suggesting that IL21 might make a drug target, says Sarvetnick.Furthermore, by giving the animals a shot of dead bacteria — similar to an immunization in humans — when they were newborns, Sarvetnick and her colleagues prevented a surfeit of CD4 + and CD8 + cells.
As Nature detailed last week, one Italian science agency recently sent out a call for stem cell grant proposals but specifically excluded human ES cell research, leading three Italian scientists to sue the government.
Each of these cells, called naive, pre-implantation embryonic cells, has the capacity to develop into any cell type in the human body, an ability called pluripotency.
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