Electron Microscopy News and Research

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Rising temperature induces key changes in dengue virus

Researchers have discovered that rising temperature induces key changes in the dengue virus when it enters its human host, and the findings represent a new approach for designing vaccines against the aggressive mosquito-borne pathogen.

12 Apr 2013

Researchers study influence of muscle types, body metabolism in diabetes

Researchers in the Life Sciences Institute at the University of Michigan have challenged a long-held belief that whitening of skeletal muscle in diabetes is harmful.

8 Apr 2013

Cell fusion studies at Johns Hopkins could lead to improved treatments for muscular dystrophy

Researchers at Johns Hopkins have established a high-efficiency cell-cell fusion system, providing a new model to study how fusion works. The scientists showed that fusion between two cells is not equal and mutual as some assumed, but, rather, is initiated and driven by one of the fusion partners. The discovery, they say, could lead to improved treatments for muscular dystrophy, since muscle regeneration relies on cell fusion to make muscle fibers that contain hundreds or even thousands of nuclei.

8 Mar 2013

Overexpression of alpha-synuclein can cause Parkinson's

Researchers at the University of California, San Diego School of Medicine say overexpression of a protein called alpha-synuclein appears to disrupt vital recycling processes in neurons, starting with the terminal extensions of neurons and working its way back to the cells' center, with the potential consequence of progressive degeneration and eventual cell death.

10 Feb 2013

DRCRF announces recipients of Nov. 2012 Damon Runyon Fellows

The Damon Runyon Cancer Research Foundation, a non-profit organization focused on supporting innovative early career researchers, named 15 new Damon Runyon Fellows at its fall Fellowship Award Committee review.

29 Jan 2013

Scientists determine structure of Ltn1 protein

Using an innovative approach, scientists at The Scripps Research Institute (TSRI) have determined the structure of Ltn1, a recently discovered "quality-control" protein that is found in the cells of all plants, fungi and animals.

17 Jan 2013

Scientists describe detailed structure and function of the TFIID protein complex

A research team of scientists from EMBL Grenoble and the IGBMC in Strasbourg, France, have, for the first time, described in molecular detail the architecture of the central scaffold of TFIID: the human protein complex essential for transcription from DNA to mRNA. The study, published today in Nature, opens new perspectives in the study of transcription and of the structure and mechanism of other large multi-protein assemblies involved in gene regulation.

9 Jan 2013

Scientists demonstrate importance of Plvap gene in mammalian physiology

Dartmouth scientists have demonstrated the importance of the gene Plvap and the structures it forms in mammalian physiology in a study published in December by the journal Developmental Cell.

4 Jan 2013

Towards imaging biological processes in action at the atomic level

If the key to winning battles is knowing both your enemy and yourself, then scientists are now well on their way toward becoming the Sun Tzus of medicine by taking a giant step toward a priceless advantage - the ability to see the soldiers in action on the battlefield.

21 Dec 2012

New technique to directly image biological structures at atomic levels

Investigators at the Virginia Tech Carilion Research Institute have invented a way to directly image biological structures at their most fundamental level and in their natural habitats. The technique is a major advancement toward the ultimate goal of imaging biological processes in action at the atomic level.

21 Dec 2012

Major advance in understanding how flu viruses replicate within infected cells

Scientists at The Scripps Research Institute (TSRI) have made a major advance in understanding how flu viruses replicate within infected cells. The researchers used cutting-edge molecular biology and electron-microscopy techniques to "see" one of influenza's essential protein complexes in unprecedented detail. The images generated in the study show flu virus proteins in the act of self-replication, highlighting the virus's vulnerabilities that are sure to be of interest to drug developers.

23 Nov 2012

Researchers create 3D map of rod sensory cilium architecture affected by mutation

Using a new technique called cryo-electron tomography, two research teams at Baylor College of Medicine (www.bcm.edu) have created a three-dimensional map that gives a better understanding of how the architecture of the rod sensory cilium (part of one type of photoreceptor in the eye) is changed by genetic mutation and how that affects its ability to transport proteins as part of the light-sensing process.

23 Nov 2012

ALN RNAi therapeutic program represents novel approach for treatment of AAT deficiency

Alnylam Pharmaceuticals, Inc., a leading RNAi therapeutics company, announced today that it has presented new pre-clinical data with an RNAi therapeutic targeting alpha-1 antitrypsin (AAT) for the treatment of liver disease associated with AAT deficiency. These data were presented at the 63rd Annual Meeting of the American Association for the Study of Liver Diseases (AASLD, "The Liver Meeting") held November 9-13, 2012 in Boston.

15 Nov 2012

Cancer metastasis research facilitated by nanoparticle characterization technology from NanoSight

NanoSight, leading manufacturers of unique nanoparticle characterization technology, reports on the breakthrough cancer metastasis research of Dr. Hector Peinado Selgas and Dr. David Lyden's research team from Weill Cornell Medical College.

13 Nov 2012

NHCS researchers develop human heart cell model of ARVC

Researchers at the National Heart Centre Singapore (NHCS) have successfully created a human heart cell model of arrhythmogenic right ventricular cardiomyopathy (ARVC), an inherited heart muscle disorder which puts one at high risk of developing life-threatening arrhythmias and sudden cardiac death.

26 Oct 2012

Novel approach to assemble the 'connectome' via genetic barcoding

A team of neuroscientists has proposed a new and potentially revolutionary way of obtaining a neuronal connectivity map (the "connectome") of the whole brain of the mouse. The details are set forth in an essay published October 23 in the open-access journal PLOS Biology.

24 Oct 2012

Max Planck scientists aim to analyze the whole mouse brain under electron microscope

What happens in the brain when we see, hear, think and remember? To be able to answer questions like this, neuroscientists need information about how the millions of neurons in the brain are connected to each other.

24 Oct 2012

Salk findings on cold virus proteins may spur new cancer treatments

Cold viruses generally get a bad rap----which they've certainly earned----but new findings by a team of scientists at the Salk Institute for Biological Studies suggest that these viruses might also be a valuable ally in the fight against cancer.

17 Oct 2012

First picture of interaction between leptin and its receptor

Researchers at the University of Michigan have determined how the hormone leptin, an important regulator of metabolism and body weight, interacts with a key receptor in the brain.

12 Oct 2012

Researchers obtain first detailed and complete picture of PRC2 protein

The first detailed and complete picture of a protein complex that is tied to human birth defects as well as the progression of many forms of cancer has been obtained by an international team of researchers led by scientists with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab).

18 Sep 2012