Astrocyte News and Research

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Experimental therapy stops glioblastoma, high-grade gliomas in human cells and mouse models

Researchers report in the journal Cancer Cell an experimental therapy that in laboratory tests on human cells and mouse models stops aggressive, treatment-resistant and deadly brain cancers called glioblastoma and high-grade gliomas.

10 May 2016

Level of salts in the brain play critical role in controlling sleep-wake cycle

Danish research is behind a new epoch-making discovery, which may prove decisive to future brain research. The level of salts in the brain plays a critical role in whether we are asleep or awake. This discovery may be of great importance to research on psychiatric diseases such as schizophrenia and convulsive fits from lack of sleep as well as post-anaesthetization confusion, according to Professor Maiken Nedergaard.

30 Apr 2016

New miniaturized microscope offers unprecedented insight into nervous system function

A microscope about the size of a penny is giving scientists a new window into the everyday activity of cells within the spinal cord. The innovative technology revealed that astrocytes--cells in the nervous system that do not conduct electrical signals and were traditionally viewed as merely supportive--unexpectedly react to intense sensation.

28 Apr 2016

Group of gamma-protocadherins linked with neurons help regulate growth of dendrites

When you think of a neuron, imagine a tree. A healthy brain cell indeed looks like a tree with a full canopy. There's a trunk, which is the cell's nucleus; there's a root system, embodied in a single axon; and there are the branches, called dendrites.

28 Apr 2016

Altered metabolism of two essential amino acids helps drive development of glioblastoma

The altered metabolism of two essential amino acids helps drive the development of the most common and lethal form of brain cancer, according to a new study led by researchers at The Ohio State University Comprehensive Cancer Center - Arthur G. James Cancer Hospital and Richard J. Solove Research Institute.

2 Apr 2016

Synchronized waves of calcium in the brain can reduce depressive symptoms

Researchers at the RIKEN Brain Science Institute in Japan have discovered that the benefits of stimulating the brain with direct current come from its effects on astrocytes -- not neurons -- in the mouse brain.

23 Mar 2016

CIRM approves $6.3 million grant to support research on novel stem cell-based therapy for ALS

The Independent Citizens Oversight Committee of the California Institute for Regenerative Medicine approved yesterday a $6.3 million grant to a research team from the University of California, San Diego School of Medicine and University of California, Davis to pursue a novel human embryonic stem cell-based therapy to rescue and restore neurons devastated by amyotrophic lateral sclerosis or ALS.

18 Mar 2016

Astrocytes implicated in preclinical AD

Astrocytes are activated in the brains of people with autosomal dominant Alzheimer’s disease long before symptoms appear and even before amyloidosis begins, a study shows.

12 Feb 2016

Johns Hopkins study shows high doses of cocaine kill brain cells

Working with mice, researchers at Johns Hopkins have contributed significant new evidence to support the idea that high doses of cocaine kill brain cells by triggering overactive autophagy, a process in which cells literally digest their own insides. Their results, moreover, bring with them a possible antidote, an experimental compound dubbed CGP3466B.

19 Jan 2016

YAP protein appears to play vital role in helping control inflammation inside the brain

Inside the brain, a protein called YAP, best known for its ability to help right-size our developing hearts and livers, appears to have the different but equally important task of helping control inflammation.

23 Dec 2015

CTE can be diagnosed by neuropathological examination of brain tissue

For the first time, CTE has been confirmed as a unique disease that can be definitively diagnosed by neuropathological examination of brain tissue. A consensus panel of expert neuropathologists concluded that CTE has a pathognomonic signature in the brain, an advance that represents a milestone for CTE research and lays the foundation for future studies defining the clinical symptoms, genetic risk factors and therapeutic strategies for CTE.

16 Dec 2015

Researchers use mathematical models to study brain cells essential for correct functioning of neurons

Applying mathematical models used for studying the galaxies or interactions between elementary particles, researchers at the Institute of Neuroscience of the Universitat Autònoma de Barcelona, in collaboration with Massachusetts General Hospital, Boston, have analysed the spatial distribution of astrocytes: brain cells that are essential for the correct functioning of neurons.

10 Dec 2015

Scientists show evidence for exchange of lactate between different brain cells

Nerve cells cover their high energy demand with glucose and lactate. Scientists of the University of Zurich now provide new support for this. They show for the first time in the intact mouse brain evidence for an exchange of lactate between different brain cells. With this study they were able to confirm a 20-year old hypothesis.

25 Nov 2015

Discovery may lead to new anti-metastasis therapies for advanced-stage brain cancer patients

It's no surprise that people enjoy warm places like Hawaii but may suffer in hostile locales such as Antarctica. A tumor suppressor gene called PTEN is similar in that it is affected by the microenvironments of certain bodily organs to which it travels.

20 Oct 2015

New findings on amitriptyline drug could help develop antidepressants with novel mechanisms

Researchers in Japan have shown that several different classes of antidepressants increase early growth responses in astrocytes, star-shaped glial cells, which could help develop new treatments.

16 Sep 2015

Endothelin system offers potential therapeutic target for ALS

Amyotrophic lateral sclerosis (ALS) is a disorder in which cells of the nervous system die, leading to muscle weakness that impacts breathing, movement and other physical functions.

4 Sep 2015

Nuclear process in the brain may play critical role in health and disease

Every brain cell has a nucleus, or a central command station. Scientists have shown that the passage of molecules through the nucleus of a star-shaped brain cell, called an astrocyte, may play a critical role in health and disease.

18 Aug 2015

New UBC research reveals alternative route to rein in glioma cancer cells

New UBC research into brain cancer suggests treatments should target the cells around a tumor to stop it from spreading.

13 Aug 2015

EPFL scientists reveal that the brain is not as compact as we thought

Using an innovative method, EPFL scientists show that the brain is not as compact as we have thought all along. To study the fine structure of the brain, including its connections between neurons, the synapses, scientists must use electron microscopes. However, the tissue must first be fixed to prepare it for this high magnification imaging method.

11 Aug 2015

Changes in UCH-L1 and GFAP proteins linked to trauma-related brain damage

Researchers have shown that the levels of two proteins present in blood and cerebrospinal fluid increase significantly at different time points following traumatic brain injury (TBI), confirming their potential value as biomarkers of trauma-related brain damage.

25 Jul 2015