These pathologies fall broadly into four categories: coagulopathy, where abnormal blood clotting is caused; haemorrhaging, where bleeding occurs; neurotoxicity, which damages the nervous system causing paralysis, and cytotoxicity, where the bite
causes death of cells and destruction of tissue.
They observed that the fly was born alive but without wings; so the removal of this molecule
caused the death of all cell precursors of this tissue (if histone 1 is removed from the entire fly, the embryo dies).
Not exact matches
For one, it would give them three specific biological markers to hone in on: The buildup
of beta amyloid and tau proteins, which
cause brain plaques associated with Alzheimer's, and brain nerve
cell death.
Adult stem -
cells are now being used to grow new body - parts that can be implanted with no risk
of rejection, the latter being the single largest
cause of organ rejection and subsequent
death.
In May 2007 Newsweek Healthcarried an article stating that heart
cells can remain alive for several hours even without oxygen, and that it is the sudden resumption
of the oxygen supply, as attempts are made to resuscitate the individual in hospital, that
causes apoptosis, killing the
cells and
causing death.
2) scientifically
death is the result (natural
death)
of the imperfect reproduction
of cells within our bodies
causing organ failure over time.
It's sometimes said that nutritional yeast contains compounds similar to monosodium glutamate (MSG), an excitotoxin that overexcites your
cells to the point
of damage or
death,
causing brain damage.
Clamping the cord, especially at an early stage, may also
cause the extra blood trapped within the placenta to be forced back through the placenta into the mothers blood supply with the third stage contractions.32 33 This feto - maternal haemorrhage (FMH) increases the chance
of future blood group incompatibility problems, which occur when the current baby's blood enters the mother's blood stream,
causing an immune reaction which can be reactivated in a subsequent pregnancy, destroying the baby's blood
cells and
causing anaemia or even
death.
In a study published in 2006, he and other Johns Hopkins researchers tested two compounds similar to CGP3466B to see if they would block GAPDH from triggering
cell death under the types
of highly stressful conditions that would normally
cause apoptosis.
Disease or an injury to the retina also can
cause the loss
of protective proteins in the
cells, resulting in additional
cell death.
At the same time, researchers have found that much smaller protein clusters called oligomers — made
of only a few copies
of these proteins — can be highly toxic to motor neuron - like
cells grown in the lab and thus are more likely to be the chief
causes of brain -
cell death in these diseases.
The disease is
caused by a genetic mutation that leads to abnormal clumps
of protein in the brain, eventually resulting in the atrophy and
death of nerve
cells.
«For this reason, we decided to combine vitamin C with a PARP inhibitor, a drug type known to
cause cancer
cell death by blocking the repair
of DNA damage, and already approved for treating certain patients with ovarian cancer.»
DMNT inhibitors, such as 5 - azacytidine and decitabine, boost the interactions
of PARP inhibitors to block these proteins even further,
causing cancer
cell death, the researchers found.
By contrast, in the case
of a prion infection the pathogenic prion protein interacts with the globular part and the tail
causes cell death — this is the hypothesis put forward by the researchers.
Scientists have known for 20 years that SMN is necessary in every
cell of the body, since disrupting the gene in a mouse
causes early embryonic
death, before muscle or nerve
cells form.
Death of these
cells in the PPN is believed to be the
cause of some
of the symptoms
of Parkinson's disease, such as problems with attention, walking and posture.
The activation
of the YAP protein induces uncontrolled
cell growth and inhibits
cell death,
causing malignancies.
Neurodegenerative diseases are
caused by the
death of neurons and other
cells in the brain, with different diseases affecting different regions
of the brain.
Adding the dye earlier
caused a 60 % decrease in
cell death; adding it later reversed aggregation and prevented some damaging effects, like a loss
of energy - producing ATP.
There are implications for human health in the research appearing online in Aging
Cell: heart disease is the leading
cause of death in the U.S., claiming nearly 600,000 lives per year.
The disease is progressive and degenerative, wherein the
death of brain
cells causes an array
of motor and non-motor symptoms, most recognizably tremor, rigidity, slow movement and unstable posture.
Death and dysfunction
of these
cells cause vision loss in conditions like glaucoma and multiple sclerosis.
Lung cancer is the most common
cause of cancer - related
death worldwide and lung squamous
cell carcinomas (SCC) account for 20 - 30 %
of all NSCLC.
«Although free - floating viruses establish the initial infection, it is the subsequent
cell - to -
cell spread
of HIV that
causes massive CD4 T
cell death,» says co-first author Nicole Galloway, PhD, a post-doctoral fellow at the Gladstone Institute
of Virology and Immunology.
This would then use the protein to recognise a foreign or tumour
cell, attach to it and release the toxin in a high local concentration, which would
cause the
death of the tumour
cell.
Anti-cancer drugs called mTOR inhibitors slow the growth
of cancer
cells but show limited ability to
cause cancer
cell death.
The primary
cause of death from breast cancer is the spread
of tumor
cells from the breast to other organs in the body.
The researchers conducted genetic tests and found that many
of the tumor
cells had a mutation in a gene called PPM1D, which
causes cells to proliferate and avoid natural
death.
Only when this process accelerates and spins out
of control does it
cause cell death, Snyder explains.
Moreover, her studies are the first to indicate that therapies targeted at controlling the properties
of smooth muscle
cells within lesions may be highly effective in treating a disease that is the leading
cause of death worldwide.
By measuring changes in the levels
of proteins that control each
cell death program and by observing the
cells» physical changes, the team saw clearly that cocaine
causes neuronal
cell death through out -
of - control autophagy.
They further show that this diterpine downregulates HMG CoA reductase offering support to the concept that mevalonate deprivation
causes cell cycle arrest at the G1 phase leading to apoptotic
death of the prostate carcinoma
cells.
«The key thing is that we've moved away from a disease - specific mechanism to a more generic
cause of cell death,» she says.
Slowing metabolism — and thus oxygen use — would delay or eliminate the formation
of molecules that
cause inflammation and
cell death, he says.
«Severe stress affects the size
of the structures in the brain,
causes cell death, and affects the number
of connections between brain
cells,» observes Kalin.
Dr. Steven R. Goodman, Editor - in - Chief
of Experimental Biology and Medicine, said «This study by Huanbiao Mo and colleagues at the Texas Woman's University and UT Southwestern Medical Center demonstrates that geranylgeraniol
causes dose dependent apoptotic
death of human prostate carcinoma
cells.
It's known that when neurons are exposed to these clumps, they trigger an excess
of calcium leaking into the
cell, which can
cause their
death.
Accumulation
of toxic prions triggers the
death of nerve
cells and literally leaves holes in the brain,
causing a spongiform (or sponge - like) appearance.
Meanwhile, other groups developed new ways
of killing bacteria with vancomycin: One alteration found a novel way to halt
cell wall construction, whereas another
caused the outer wall membrane to leak, leading to
cell death.
A new study led by University
of Kentucky researchers suggests that activating the tumor suppressor p53 in normal
cells causes them to secrete Par - 4, another potent tumor suppressor protein that induces
cell death in cancer
cells.
Analysis
of PAL identified high levels
of hydrogen peroxide, which is a known anti-tumor factor and the probable
cause of cell death.
All
of the diseases, which
cause the
death of brain
cells involved in controlling body movements, have recently been traced to specific genes.
In order to be able to treat neurodegenerative disorders in future, researcher Ulrich Hartl, Head
of the Department
of Cellular Biochemistry at the Max Planck Institute
of Biochemistry, and his team have for many years been studying the cellular
causes for the
death of nerve
cells.
Significantly, disabling both anti-apoptotic proteins, Bcl - 2 and Bcl - xL, in conjunction with Mcl - 1,
caused profound
cell death of leukemia
cells in the test tube as well as in animal models
of AML.
The National Highway Traffic Safety Administration (NHTSA) determined as far back as 2003 that
cell phone use — both phone calls and text messaging — while driving
causes hundreds
of thousands
of car accidents and hundreds
of crash - related
deaths.
«In this exciting new study, the authors provide support for a new experimental treatment approach that works by helping nerve
cells digest toxic proteins that might otherwise
cause cell death,» said John Krystal, Editor
of Biological Psychiatry.
After 10 days
of age, the manipulations reduced the distance flies could climb up tubes and the alterations
caused older flies to have signs
of neurodegeneration, including higher than normal levels
of brain
cell death and degradation.
«This is important because the
death of photoreceptor
cells is known to
cause retinal degenerative diseases in humans that lead to blindness.
Depletion
of five SSUP proteins (Imp4, Mpp10 / Mphosph10, Wdr36, Wdr46, and Wdr75) resulted in a reduction
of Nanog expression, and the absence
of one SSUP component (Cirh1a)
caused cell death.