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BioResearch

Image: A scanning electron micrograph (SEM) of two mitochondria from mammalian lung tissue displaying their matrix and membranes (Photo courtesy of Wikimedia Commons).

Rapid Immunopurification Technique Enables Accurate Determination of Mitochondrial Metabolites

A rapid immunopurification technique was used to isolate mitochondria with metabolite contents that were relatively undamaged by enzyme activity and free from components of other cellular organelles. More...
14 Sep 2016
Image: A photomicrograph of Toxoplasma gondii tachyzoites, stained with Giemsa (Photo courtesy of the CDC).

Modified Version of CRISPR/Cas9 Identifies Parasite Infectivity Genes

A modified version of the CRISPR/Cas9 gene editing system was used to map the genome of the apicomplexan parasite Toxoplasma gondii, which, in addition to revealing which genes were necessary for this pathogen's survival, gave insights into genes necessary for infection by the malaria parasite Plasmodium falciparum. More...
13 Sep 2016
Image: A biodegradable scaffold (left) and human tissue-engineered liver (right) (Photo courtesy of the Saban Research Institute at Children\'s Hospital Los Angeles).

Human Liver Organoids Thrive When Transplanted into Mouse Liver Failure Model

Liver disease researchers have demonstrated in a mouse model that it may be feasible to treat some types of liver failure with transplanted multicellular liver organoid units composed of a heterogeneous cellular population that includes adult stem and progenitor cells. More...
13 Sep 2016
Image: A molecule model of a CRISPR (clustered regularly interspaced short palindromic repeats) and a DNA fragment from E. coli (Photo courtesy of Wikimedia Commons).

Gene Editing Distinguishes Driver and Passenger Cancer Mutations

A team of German researchers has used the CRISPR/Cas9 gene editing technique to detect and repair mutations that promote tumor development and growth. More...
12 Sep 2016
Image: Micrograph showing immunostained amyloid beta (brown) in senile plaques of the cerebral cortex (upper left of image) and cerebral blood vessels (right of image) (Photo courtesy of Wikimedia Commons).

Novel Human Monoclonal Antibody Shows Promise for Treating Alzheimer's Disease

A human monoclonal antibody that targets aggregated forms of amyloid-beta (Abeta) protein was shown in a phase Ib clinical study to reduce amyloid plaques in patients with early Alzheimer's disease and to slow or prevent cognitive decline in these individuals. More...
12 Sep 2016
Image: Surface model of Leishmania’s ribosomal large subunit (rLSU) based on the first high-resolution structure, obtained by 2.8-A° cryo-EM. Circled are the locations of three focal points of rLSU rRNA segmentation in regards to the ribosome exit tunnel. 26S rRNA segment-terminals in the leishmanial ribosome were found to converge to these three separate focal points, all located on the solvent-exposed side of the rLSU. The 5.8S rRNA chain is represented as yellow surface and all other chains are represented as cartoon tubes. The study revealed the fragmented nature of leishmanial rRNA and irregular distribution of rRNA modifications, with implications for drug development against Leishmania and related parasites (Photo courtesy of Cell Reports).

High-Resolution Analysis of Leishmanial Ribosome Provides Clues for Drug Design

Derived from a 2.8-Å cryo-EM map, researchers have achieved an atomic resolution structure of the Leishmania donovani large ribosomal subunit (rLSU). Comparison with other eukaryotes and with bacteria provides an important framework for better understanding ribosome biogenesis and a solid structural basis for developing highly selective therapeutics against Leishmania and closely related parasites. More...
08 Sep 2016
Image: Neuronal cells connected by tunneling nanotubes containing synuclein fibrils (aggregates in red) (Photo courtesy of the Institut Pasteur).

Researchers Suggest Neurodegenerative Diseases May Spread through Nanotubes

A team of French neurological disease researchers has uncovered a mechanism that may explain how neurodegenerative diseases like Parkinson's disease spread inside the brain. More...
08 Sep 2016
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BioResearch brings the latest research news on the genome, proteome, metabolome, on drug discovery, and therapeutics. Biotech researchers, lab administrators, technologists, drug manufacturers, and suppliers can find the latest research news and information related to their fields of endeavor here.