Sentences with phrase «nerve cell tissue»

Not exact matches

The difficulties associated with obtaining nerve tissue at the correct stage of development and differentiation from aborted embryos means that foetal tissue transplantation is no longer in favour, but the creation of human embryos specifically as sources of stem cells, and the push to use «spare» embryos from IVF treatments is gatheringmomentum.

If we could but restore or bring about the normal functioning of brain cells and nerve tissues, as well as their own subsidiary chemical activity in such cases, then mental life would come flooding back in fullness and richness.

If fibrin excess can trigger unwanted inflammation in nerve tissue and increase breakdown of the myelin wrapping the nerve cells (a process that is usually referred to as demyelination), health problems like multiple sclerosis (in which there is breakdown of the myelin nerve sheath) may be lessened through reduction of excess fibrinogen and / or fibrin.

Although these spots themselves are harmless, if some of the spots are bigger than a 50 cent coin, then it could be due to Neurofibromatosis (NF), which is a genetic disorder of the nervous system that causes abnormal cell growth of nerve tissues or benign tumours to form on the nerves anywhere in the body at any time.

They're harmless, but do keep an eye on the size and quantity of these spots, since having six or more that are larger than a quarter may be a sign of neurofibromatosis (a genetic disorder that causes abnormal cell growth of the nerve tissue).

From this tissue, smooth muscle and nerve cells were isolated and then multiplied in the lab.

It establishes a lifelong infection that leads to sores in affected tissues when active and hides in nerve cells during its latent phase.

In past projects, scientists have tried to derive various types of differentiated cells from stem cells — such as bone, tissue, nerves or fat — directly from hiPSCs.

Damaged mouse sciatic nerves produced hundreds of times the normal amount of two «chemoattractant» molecules, Cxcl1 and Cxcl2, which attach to the surfaces of neutrophils and draw the immune cells into injured tissue.

That three - or - so - pound lump of soft tissue, housed within the cranium, has about 100 billion nerve cells or neurons (roughly equal to the number of stars in our galaxy), which form trillions of connections with each other, giving rise to millions of operations going on simultaneously.

The electrodes detected waves of synchronized nerve impulses sweeping through the retinal tissue, in patches of up to 100 cells at a time.

Fibers of intestinal tissue (in red) surround the nerve cells (in green) of the freshwater polyp Hydra.

They tested neural tissue from people who had died from Huntington's disease, a degenerative disorder of nerve cells in the base of the brain.

The virus then enters and hijacks muscle and nerve cells where it replicates and travels up the nerves to infect the brain and other tissues.

The buildup of twisted tau deposits also destroys surrounding nerve cells and eventually wastes away vast swaths of brain tissue.

In rats and tissue cultures of human nerve cells, these «beta sheet breakers» not only prevent amyloid plaques from forming, but also dissolve existing plaques.

In his thirties, he learned about a new way to stain tissue developed by the Italian Camillo Golgi: a new silver - based stain that turned some nerve cells completely black while leaving most others entirely untouched, rendering the delicate branches of the nerve processes clearly visible (as seen in the image on the left).

Researchers also studied the brain tissue of the infected mice under a microscope and found that the memory problems tracked with changes in nerve cells.

«Our data clearly showed that one of the protein receptors on white blood cells called CXCR3 brings white blood cells to the optic nerve in response to production of its binding partner CXCL10 by damaged nerve tissue,» said Zhang.

Yonju Ha, a lead author of this article, said that further studies on this receptor and its role in white blood cell recruitment following tissue injury may aid in the development of new interventions for diseases associated with nerve injury, such as TON, stroke, diabetic retinopathy and glaucoma.

They first showed that mice with severed sensory nerves produce excessive BH4, churned out both by the injured nerve cells themselves and by macrophages — immune cells that infiltrate damaged nerves and inflamed tissue.

The result in both cases is that they rub against and irritate the brain tissue, and the nerve cells around the electrodes die.

Finally, a fluidic microchannel enables the delivery of pharmacological substances — neurotransmitters in this case — that will reanimate the nerve cells beneath the injured tissue.

The team hopes to apply this method to the nerve cells, bone marrow, and brain tissue of living animals and humans.

B cell treatment also quickly reduced the size and improved the healing of chronic skin ulcers in the diabetic mice, increasing the number of both nerve endings and blood vessels in regenerated tissue.

The researchers report they were able to transform about one in 5,000 cells — enough to get several iPS cells from a single culture dish — and then coax them to become nerve cells or heart tissue on the benchtop.

When you're using certain tissue types that can't replicate multiple times outside of the body — liver and nerve cells, for example — «that's where stem cells are most relevant.»

This process, called cell differentiation, gives rise to all the various cell types, such as nerve, muscle, or blood cells, which are diverse in shape and function and make up tissues and organs.

These substances are both highly Poisonous to nerve cells, and so could cause the degeneration of brain tissue found in Alzheimer's patients.

A patient's own bone marrow stem cells can form bone and cartilaginous tissue, not the underlying vasculature and nerve compartments; and, embryonic stem cell derived bone may prompt an immune rejection.

These «mini brains» offer insight into the processes with which individual nerve cells organize themselves into our highly complex tissues.

Easily accessible from nasal biopsies, these cells — which belong to nerve tissues and can differentiate into neurons — constitute an interesting model to identify the genes and proteins whose expression is deregulated in patients with ASD.

Neuroscientists have long believed that scar tissue formed by glial cells — the cells that surround neurons in the central nervous system — impedes damaged nerve cells from regrowing after a brain or spinal cord injury.

A recent generation of studies of postmortem brain tissue from people with schizophrenia, particularly from the laboratory of Professor David Lewis and his colleagues at the University of Pittsburgh, have shed light on schizophrenia - related abnormalities in the interplay of the main excitatory neurons, pyramidal neurons, and a specific class of inhibitory nerve cells, called chandelier cells, in the prefrontal cortex.

«Spinal cord regeneration might actually be helped by glial scar tissue: Research finds that nerve cells regrow better when glial scarring is left intact.»

Instead of generating new cells as expected, they cause adult cells to protect vulnerable nerve tissue from inflammation

Sponges are multicellular, but the cells don't add up to much: no tissues, muscles, organs, nerves, or brain.

Previous research in rodent disease models has shown that transplanted oligodendrocyte precursor cells derived from embryonic stem cells and from human fetal brain tissue can successfully create myelin sheaths around nerve cells, sometimes leading to dramatic improvements in symptoms.

Researchers at the NRC have previously shown that gelatin accelerates brain tissue healing and reduces damage to nerve cells in the case of electrode implants, but only now are they starting to understand how.

Low temperatures activate the brown - fat thermogenesis process via the sympathetic nervous system: Nerve ends in brown fat tissue release the neurotransmitter norepinephrine, and that triggers a shift in metabolism within the brown fat cells, which are densely packed with tiny biological energy reactors called mitochondria.

Burn victims or those with spinal cord injuries might be provided with replacement skin or nerve tissue grown from their own body cells.

They found that not only does the tissue harbor CBS and CSE, but CSE is also present in the smooth muscle cells and peripheral nerves that control erection.

The rabies virus, transmitted largely through the bites of infected animals, has evolved over thousands of years to hijack nerve cells, which it uses to climb from infected muscle tissue into the brain.

Motor nerve - like tissue (right) was generated using human induced pluripotent stem cell - derived motor neurons (left).

Their focus is the retina, the thin tissue in the back of the eye containing the photoreceptors and nerve cells.

Another Kavli researcher, Steven Siegelbaum, uses a technology called two - photon microscopy to image pre-synaptic terminals (the nerve cell tips that send charges from one cell to another) within slices of living brain tissue.

They successfully converted mature mouse skin cells into what they called induced pluripotent stem (iPS) cells that had the same wide - open potential as embryonic stem cells — which the researchers showed by turning their iPS cells into nerve and connective tissue cells.

The TNT technology can heal damaged tissue and rejuvenate aging cells including body organs, nerve cells, and blood vessels, reports Science Daily.

We detect such currents in muscles, nerves, secretory glands, and electric organs of fish as well as in plant tissue -LRB-...) It seems likely that all these currents have a similar, if not the same basis, and that their strength and potency depends on the structural conditions and chemical composition of the cells making up each organ.»

An alligator embryo during organogenesis, with nerves, muscle tissues, and cell nuclei fluorescently labeled (green, orange, and blue, respectively) JOÃO FRANCISCO BOTELHO, YALE UNIVERSITY Alligator embryos share many characteristics with bird embryos, a hallmark of their shared evolutionary heritage.