Free radicals, which are natural waste products produced by normal metabolic processes, are thought to contribute to aging and illness by damaging
the cells they come into contact with.
Antioxidants are one of the most powerful weapons we have against highly charged particles called free radicals, which cause damage to many of
the cells they come into contact with.
When B
cells come into contact with antigens (for example, proteins from a virus), they activate antibodies which identify and neutralize foreign proteins.
They are highly charged, which makes them extremely reactive — they alter the DNA in many of
the cells they come into contact with.
Ketones are «non-glycating», this means they don't destroy and ruin any of
the cells they come into contact with like glucose / sugar does.
When stem
cells come into contact with growth chemicals in the body, the chemicals program the stem cells to grow into the tissue surrounding it.
As they grow, migrate, replicate and move,
these cells come into contact with countless other cells and exchange information with them.
«When a cancer
cell comes into contact with it, a protein on the cell's surface, known as APP, activates DR6.
Not exact matches
This lining is a single layer of elongated
cells that
come into contact with food on one narrow side, and
with the bloodstream on the other.
The purpose of catalase in living
cells is to protect them from oxidative damage, which can occur when
cells or other molecules in the body
come into contact with oxidative compounds.
She and her group had studied the nature and function of epithelial
cells, the gut - lining
cells that
come into contact with breast milk in nursing infants.
In an experimental setup that allowed the two types of
cells to bathe in the same fluid without
coming into physical
contact, retinal neurons in a bath
with hUTCs formed new connections between neurons called synapses, and they sprouted new «neurites» — tiny branches that lead to additional connections.
«The Lewy bodies are big aggregates and they're sitting in the
cell, but they don't
come into direct
contact with the mitochondria in the way pα - syn * does,» Lasmézas explains.
When the mucosal surfaces in the lungs of healthy people
come into contact with allergenic substances, so - called regulatory T
cells also known as Treg
cells, are activated.
«When this chip is put
into the eye under the retina, its solar
cells and the electrodes
come into contact with the poorly functioning light - sensing
cells,» says Alan Chow.
When susceptible people
come into contact with flakes of cat skin called dander, T
cells in their immune systems set off a chemical chain reaction that produces the familiar symptoms of allergy, including sneezing, runny noses, itching and asthma.
Bacteria share DNA
with other organisms
with which they
come into contact, so an antibiotic - resistant gene can transfer from one type of bacterium to another, and a bacterial
cell can become resistant to numerous antibiotics at once.
The researchers were testing the theory that blows to the head cause brain damage, in part, because of the breakdown of the blood - brain barrier, allowing the immune
cells in the blood to
come into contact with brain
cells and destroy them.
Northwestern Medicine scientists have discovered that two key cellular structures, called mitochondria and lysosomes,
come into direct
contact with each other in the
cell to regulate their respective functions.
However, the scientists have now been able to show that these special immune
cells can indeed «remember» pigmented
cells when they
come into more frequent
contact with a specific
contact allergen.
When you
come into contact with an allergen — ragweed, for example — immunoglobulin E (IgE) specific to that allergen acts through its receptor on the mast
cell, stimulating the mast
cells and basophils to release mediators, such as histamine, that trigger an allergic response.
Published in the January 22 issue of Molecular
Cell, the investigators created full protein interaction maps — interactomes — of where the viruses
come into contact with the host proteins during the course of infection.
Thus, blood
cells can become sensitive to this death pathway if they
come into contact with lymphoid
cells, as would occur when blood CD4 T
cells traffic
into lymphoid tissues.
When the body
comes into contact with pollen,
cells in the lining of your nose, mouth and eyes release a chemical called histamine that triggers the symptoms of an allergic reaction.
Since, 75 % of our immune
cells are made in our intestinal lining, it's imperative that we minimize the amount of chemicals that our digestive lining
comes into contact with, in order to calm the immune system.
And, we know, free radicals are unattached oxygen molecules that attack
cells in a similar way that metal rusts when it
comes into contact with water and oxygen.
Free radicals are highly reactive molecules and when they
come into contact with healthy
cell membranes, they cause damage to the membrane and may ultimately cause the
cell to die.
When free radicals
come into contact with healthy
cell membranes, they cause damage to the membrane and may ultimately cause the
cell to die.
They neutralize the free radicals that
come into contact with your body before they have a chance to harm your DNA and your
cells.
Vitamin C travels through the body neutralizing any free radicals
with which it
comes into contact in the aqueous environments in the body both inside and outside
cells.
Life stars Jake Gyllenhaal, Rebecca Ferguson, Ryan Reynolds, Ariyon Bakare, Olga Dihovichnaya, and Hiroyuki Sanada and it revolves around the six - member crew of the International Space Station as they
come into contact with the very first evidence of biological life on Mars: a small, single -
celled organism.
Written by Deadpool and Zombieland scribes Rhett Reese and Paul Wernick, the film revolves around the six - member crew of the International Space Station as they
come into contact with the very first evidence of biological life on Mars — a small, single -
celled organism.
The specialized
cells that the body uses to fight these invaders are called mast
cells, and when they are activated, they release histamine, which has an inflammatory effect on the tissues it
comes into contact with.
When an allergen activates the immune system, it manufactures a protein that causes the immune
cells to release histamine, a naturally occurring compound that has an inflammatory effect on the tissues it
comes into contact with.
Left unchecked, free radicals react
with pretty much any particles they
come into contact with — and, when they exist in your hamster's body, those particles are pieces of body
cells.
Once the cat has
come into contact with FeLV, the virus lies dormant in the
cell DNA of the host cat for several months or several years before presenting
with any symptoms.
Many of them are highly charged particles, which means that they will react
with many of the other particles they
come into contact with; this includes the particles that make up your bun's body
cells.
They react
with most of the other particles that they
come into contact with — which, unfortunately, are usually your bun's body
cells!
When these capsules
come into contact with a host
cell, the genetic information is able to enter the
cell and hijack its machinery so that the host
cell manufactures copies of the virus, as well as potentially harmful viral proteins.