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Creating novel amino acid nanoparticles with enhanced anticancer activity

Researchers created nanoparticles using ultraviolet light crosslinked amino acids, loaded with doxorubicin and coated with tannic acid complex. The nanoparticles exhibited superior stability and drug release under different pH conditions, showing excellent anticancer activity in tumor-bearing mice.

SourceJapan Advanced Institute of Science and Technology·JournalSmall·DateJan 8, 2024
Apple iPhone 17 Pro

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Sodium channel investigation

A team of scientists at Kanazawa University used high-speed atomic force microscopy to study the structural dynamics of sodium ion channels in cell membranes. They found that voltage sensor domains can dissociate from pore domains when the channel is in a resting state, leading to dimerization between neighboring channels. These findin...

SourceKanazawa University·JournalNature Communications·TypeImaging analysis·DateDec 20, 2023

Oncotarget | Oncogenic driver FGFR3-TACC3 requires 5 coiled-coil heptads for activation and disulfide bonds for stability

Researchers identify the minimum contribution of TACC3 for FGFR3-TACC3 fusion protein activation, revealing a novel target for treating FGFR translocation-driven cancers. The study shows that clinically identified FGFR3-TACC3 fusion proteins differ in biological activity depending on specific breakpoints.

SourceImpact Journals LLC·JournalOncotarget·TypeExperimental study·DateFeb 23, 2023

Researchers identify specific alterations in the BRAF gene that may affect response to treatment and survival in adult brain cancers

The study found that BRAF alterations, particularly Class I mutations like v600E, are associated with improved overall survival in adults with glioma. However, the effectiveness of targeted therapies depends on the specific type and combination of genetic alterations driving the cancer.

SourceEuropean Organisation for Research and Treatment of Cancer·TypeRandomized controlled/clinical trial·DateOct 26, 2022

Chemical synthesis yields potential antibiotic

Researchers at MIT have synthesized himastatin, a natural compound with antimicrobial properties. The team discovered that the compound kills bacteria by disrupting their cell membranes.

SourceMassachusetts Institute of Technology·JournalScience·DateFeb 24, 2022
GQ GMC-500Plus Geiger Counter

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Biased signalling for better drugs

Researchers at PSI have developed a platform to measure biased signalling in G protein-coupled receptors (GPCRs), enabling selective therapeutic effects and fewer side effects. By testing specially designed bivalent ligands, they can bias signalling towards desired pathways.

SourcePaul Scherrer Institute·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 15, 2021

A ‘solid’ approach to sustainable shale gas ethylene conversion

A team of Lehigh University researchers is studying a promising alternative catalytic process based on solid acid catalysts for ethylene dimerization. Using in situ and operando molecular spectroscopy, they aim to understand the surface structures of the catalyst and design more active catalysts with reduced environmental impact.

SourceLehigh University·DateJul 29, 2021

Pioneering method reveals dynamic structure in HIV

Physicists at University of Utah pioneered a method to image virus-like particles in real time, revealing the lattice's dynamic nature. The discovery opens up potential new therapies by understanding how Gag and GagPol proteins rearrange, leading to viral maturation.

SourceUniversity of Utah·JournalBiophysical Journal·DateJul 16, 2020

Phenothiazine derivatives may find use in photodynamic therapy

New phenothiazine derivatives containing phenyl groups show high potential for use as photochemical agents in surgical operations and cancer treatment. The compounds' stability was ensured through the formation of binary associates, providing greater absorption in near-infrared spectrum.

SourceKazan Federal University·JournalRussian Chemical Bulletin·DateJun 9, 2020
Sky & Telescope Pocket Sky Atlas, 2nd Edition

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Taming defective porous materials for robust and selective heterogeneous catalysis

Researchers at the University of the Basque Country have developed a new method for producing 1-butene via ethylene dimerization using metal-organic frameworks (MOFs) without activators or solvents. The catalysts exhibit high selectivity and stability, making them a promising alternative to traditional homogeneous catalysis.

SourceUniversity of the Basque Country·JournalNature Communications·DateMay 14, 2019

Taming defective porous materials for robust and selective heterogeneous catalysis

Researchers develop metal-organic frameworks (MOFs) with tailored defects that enhance the selective catalysis of ethylene dimerization. By simulating realistic MOF systems using computational resources, they found that unsaturated metal centers drive activity while bimetallic nature controls selectivity.

SourceInstitute of Chemical Research of Catalonia (ICIQ)·JournalNature Communications·DateMay 6, 2019

New therapeutic approach to combat African sleeping sickness

Researchers at Johannes Gutenberg University Mainz have identified a promising strategy to develop an agent against African sleeping sickness. The team discovered a small inhibitor molecule that binds to and deactivates a vital protein of the parasite, rendering it harmless.

SourceJohannes Gutenberg Universitaet Mainz·JournalAngewandte Chemie International Edition·DateFeb 20, 2019
SAMSUNG T9 Portable SSD 2TB

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Enlightening cancer cells

Researchers 'remote-controlled' cancer cell behavior with light, finding that activation can cause changes in morphology, proliferation, and gene expression. This breakthrough applies optogenetics to cancer research, offering a precise method for targeting specific cells.

SourceInstitute of Science and Technology Austria·JournalThe EMBO Journal·DateJul 1, 2014

Scripps Research scientists identify key interaction in hepatitis C virus

Researchers found that the core protein interacts with non-structural helicase protein, playing a critical role in viral replication. This new understanding supports a potential new therapeutic target for hepatitis C drug development and may prevent production of infectious viral particles.

SourceScripps Research Institute·JournalJournal of General Virology·DateDec 28, 2010

New measurements prove myosin VI can act as molecular transporter

New measurements at the University of Illinois have resolved a research controversy on myosin VI's function. The study shows that full-length myosin VI can form dimer pairs, walk processively on actin, and transport molecules.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalMolecular Cell·DateFeb 2, 2006