Add BrightSurf on Google Email

Completing the drug design jigsaw

Researchers developed a new approach to analyze drug-protein interactions, revealing the specific amino acids involved in binding. This allows for more precise chemical requirements and stronger, selective drug candidates.

SourceUniversity of East Anglia·JournalAngewandte Chemie International Edition·DateOct 5, 2017

Genes that separate humans from fruit flies found

Researchers have identified proteins that control cell complexity in animals, revealing a key difference between humans and simpler organisms like fruit flies and sea urchins. The study found that specific genes interact with chromatin to regulate cellular processes, contributing to the increased complexity of mammals.

SourceUniversity of Portsmouth·JournalPLOS ONE·DateSep 29, 2017

What web browsers and proteins have in common

Protein add-ons play a crucial role in customizing protein interfaces, allowing proteins to interact specifically with their dedicated partners. The discovery sheds light on how proteins perform specialized functions and enables new avenues for understanding fundamental principles in nature.

SourceOhio State University·JournalProceedings of the National Academy of Sciences·DateSep 19, 2017

Partnership for a healthy brain

Scientists at the Salk Institute have identified a key protein complex involved in regulating brain cell identity, with high levels of Nup153 found to be necessary for maintaining precursor status. This finding may provide new insights into the underlying causes of neurological disorders such as schizophrenia and Alzheimer's disease.

SourceSalk Institute·JournalCell Stem Cell·DateSep 14, 2017

A new method provides better insights into real-world network evolution

Chinese scientists develop a new algorithm that leverages network structure characteristics to improve link prediction accuracy and robustness. Their experimental testing in various real-world networks yields better results than existing methods, leading to the creation of a novel method for predicting missing links.

SourceSpringer·JournalThe European Physical Journal B·DateSep 13, 2017

Proteins keep a grip on cells

Scientists have identified where laminin 511 interacts with integrins, crucial adhesion molecules that determine cell function and shape. The discovery reveals the gamma chain directly interacts with integrins, stabilizing the laminin-integrin bond.

SourceOsaka University·JournalScience Advances·DateSep 11, 2017

To improve health monitoring, simply trip the 'nanoswitch'

Researchers at Boston Children's Hospital have developed a new DNA nanoswitch platform that can detect biomarkers associated with different diseases, viral strains, and genetic variabilities. The NLISA system uses gel electrophoresis to screen synthesized DNA reagents that change shape in the presence of a specific biomarker.

SourceBoston Children's Hospital·JournalProceedings of the National Academy of Sciences·DateSep 11, 2017

Circadian clock's inner gears

A team of researchers led by Charles Weitz shows that a set of core clock proteins organize into molecular machines that control circadian rhythms. The findings provide a starting point for understanding the clock's machinery and its role in various conditions, including sleep disorders and cancer.

SourceHarvard Medical School·JournalMolecular Cell·DateSep 7, 2017

Molecular map shows how to disable dangerous bioweapon

Researchers at Duke University mapped out the complex molecular circuitry of Francisella tularensis, a bacterium that causes tularemia and is considered one of the world's most infectious pathogens. By understanding how the bacteria becomes virulent, scientists can design new drugs to shut down its virulence.

SourceDuke University·JournalGenes & Development·DateSep 6, 2017

A sodium surprise

Biomedical engineers found that different beta subunits attach to the main protein in a unique way, affecting the channel's control over the heartbeat. This discovery could lead to precision medicine and therapies tailored to individual needs.

SourceWashington University in St. Louis·JournalJournal of General Physiology·DateJul 20, 2017

How protein interactions drive cellular death

A team of researchers has decoded the complex interplay of three components in a protein network regulating programmed cell death, also known as apoptosis. Their findings suggest that interaction between Bcl-2 proteins is key to understanding this process and its link to diseases such as cancer.

SourceRuhr-University Bochum·JournalNature Communications·DateJul 14, 2017

Role of cooperativity in hydrophobic interactions revealed in real-time monitoring

Scientists have made a groundbreaking discovery using real-time monitoring to quantify cooperativity in hydrophobic interactions, demonstrating its critical role in stabilizing macromolecular assembly. The study's innovative microfluidic device enables precise tracking of solute molecule aggregation at sub-microsecond timescales.

SourceHong Kong University of Science and Technology·JournalNature Communications·DateJul 6, 2017

Discovering, counting, cataloguing proteins

Researchers from the University of Freiburg have discovered over 900 mitochondrial proteins in baker's yeast using quantitative mass spectrometry and bioinformatics methods. This extensive dataset provides a foundation for understanding the biology of mitochondria in various organisms, from yeast to humans.

SourceUniversity of Freiburg·JournalCell Reports·DateJun 28, 2017

Promising peas' potential in big sky country

Studying pea genetics and environmental factors, researchers found that pea yield is affected by both genetics and environment, but environment has a larger impact. The study also identified pea varieties with higher protein and resistant starch content, which can benefit human health and the environment.

SourceAmerican Society of Agronomy·JournalAgronomy Journal·DateJun 14, 2017

Chemists brought mixed folded proteins to life

Scientists have discovered a way to revive mixed folded proteins by applying an electrostatic interaction between folded or denatured proteins and alumina nanoparticles. This breakthrough could simplify and reduce the production costs of drug proteins for Alzheimer's and Parkinson's treatment.

SourceITMO University·JournalScientific Reports·DateJun 9, 2017

Chemists brought mixed folded proteins to life

Researchers from ITMO University and Hebrew University have developed a method to recover protein structure after chemical denaturation, working for both specific molecules and multiprotein systems. The technology simplifies and cheapens the production of drug proteins for Alzheimer's and Parkinson's treatment.

SourceITMO University·JournalScientific Reports·DateJun 9, 2017

A fresh look inside the protein nano-machines

A new study by Université de Genève researchers reveals the basic geometry of the gene-to-protein code, highlighting the mechanical basis for DNA's map of functional proteins. The research focuses on the segment of the gene coding the hinges of nano-machines, which are essential for protein function.

SourceUniversité de Genève·JournalPhysical Review X·DateMay 24, 2017

Researchers suppress fibrosis chemical signal to block haywire healing

Researchers identified a key protein, SMAD3, that facilitates pro-fibrotic TGF-beta signaling. By blocking this protein, they created a peptide-carrying SNX9 that prevents SMAD3 from entering the nucleus and impacting genes regulated by TGF-beta. This approach may lead to effective treatments for fibrosis-related diseases.

SourceMayo Clinic·JournalJournal of Clinical Investigation·DateMay 22, 2017

Interrogating proteins

Researchers from the Bristol BioDesign Institute created a miniprotein with a stripped-down structure to investigate molecular forces that assemble and stabilize protein structures. They discovered subtle forces beyond hydrophobic interactions, which could lead to new drug targets.

SourceUniversity of Bristol·JournalNature Chemical Biology·DateMay 22, 2017

Social networking for the proteome, upgraded

Researchers at Harvard Medical School have created a high-throughput approach to map protein interactions, identifying over 56,000 unique interactions for nearly 6,000 proteins. The BioPlex network reveals functional roles for previously unknown proteins and links them to human diseases like cancer and hypertension.

SourceHarvard Medical School·JournalNature·DateMay 17, 2017

Molecular dynamics, machine learning create 'hyper-predictive' computer models

Researchers from North Carolina State University have demonstrated that integrating molecular dynamics simulations and machine learning techniques can create more accurate computer prediction models. The new models, called 'hyper-predictive,' can quickly predict which new chemical compounds could be promising drug candidates. This is a...

SourceNorth Carolina State University·JournalJournal of Chemical Information and Modeling·DateMay 15, 2017

New porous solids may lead to better drugs

A new discovery in chemistry could lead to more specific and desired forms of drugs, with the creation of chiral molecular sieves that can sort and create left- and right-handed molecules. This breakthrough has broad implications for pharmaceutical companies and may improve medications such as ibuprofen.

SourceCalifornia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateMay 1, 2017

Protein Science Best Paper awards annoucement

Charlotte Miton and Zach Schaefer have won the Protein Society's Year 2016 Best Paper award for their research on mutational epistasis and protein structure. Their study reveals that epistasis plays a major role in constraining evolutionary trajectories, with half of fixed mutations becoming positive at later rounds of evolution.

Rice U. scientists add to theory about Huntington's mechanism

Researchers use computer simulations to show how N-terminal sequence encourages aggregation of huntingtin protein fragments while polyproline inhibits it. This discovery offers a new target for drug development to halt Huntington's disease progression. The study also highlights the involvement of the cytoskeleton in the disease mechanism.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateApr 10, 2017