Articles tagged with Biomolecules
Researchers at RIKEN have developed a mechanochemical method to increase hydrogen saturation in perovskite powder, doubling its capacity. This discovery has significant implications for environmental sustainability and the potential for a hydrogen-based economy, as it enables more efficient production of ammonia fertilizer.
Researchers at Cornell University developed an implant system that can treat Type 1 diabetes by supplying extra oxygen to densely packed insulin-secreting cells, enabling long-term treatment for chronic diseases. The system could also potentially provide treatment for other autoimmune diseases.
Newly developed DNA nanostructures form flexible, fluid, and stimuli-responsive condensates without chemical cross-linking. These findings pave the way for adaptive soft materials with potential applications in drug delivery, artificial organelles, and bioengineering platforms.
Researchers validated panels of antibodies targeting clinically relevant nucleic acid modifications to visualize antisense oligonucleotides in both in vitro and in vivo studies. The tools enable detection of modified nucleic acids irrespective of sequence, facilitating multiple clinical and pre-clinical workflows.
Tetrandrine modulates autophagy by selectively removing damaged lysosomes through lysophagy while promoting new lysosome formation. This unique mechanism highlights tetrandrine's therapeutic potential for treating neurodegenerative diseases.
Researchers found that vitamin D supplementation reduces liver inflammation and fibrosis in patients with chronic liver disease by upregulating the TXNIP gene in ductular cells. The study provides new insights into the underlying mechanisms of liver diseases and offers a potential therapeutic target for improving outcomes.
Complex organic molecules, precursors to life's building blocks, have been found in a planet-forming disc around the outbursting protostar V883 Orionis. This discovery supports the idea that life's seeds are assembled in space and are widespread.
Polyphenols are multifunctional agents with anti-inflammatory, antioxidant, microbiota-modulating, and neuroprotective properties. The Polyphenols Applications 2025 congress explores novel applications of polyphenols in various fields.
A novel AI-based approach identifies a distinct physicochemical signature near the cleavage site of gamma-secretase substrates, revealing dynamic properties essential for molecular recognition. The study highlights the potential of this methodology to improve understanding of gamma-secretase's role in diseases and aid drug development.
A research team led by Professor Joongoo Lee successfully expanded ribosome range to produce ring-shaped backbones in proteins. This breakthrough could open doors to novel therapeutics and advanced biomaterials.
Insilico Medicine's latest Pharma.ai updates showcase advancements in Biology42 and Chemistry42, enhancing antibody design and omics data analysis. The company's AI software suite has demonstrated significant efficiency improvements in practical applications, setting a benchmark for AI-driven drug research.
A novel fluorescent probe, SLY, has been developed to precisely identify hepatocellular carcinoma tissue using sialylated glycans on the cell surface. The probe outperforms conventional methods by clearly distinguishing tumor margins within liver tissues.
Research presents fig tree species storing calcium carbonate in trunks, converting CO2 from atmosphere. The oxalate-carbonate pathway increases soil pH and nutrient availability, making it a potential means to mitigate CO2 emissions.
Researchers developed a technique to peer inside the nucleolus and reveal its hidden system of creation, allowing them to watch RNA molecule movement and track protein-making machine assembly. The new method uses advanced imaging and genomics techniques without destroying the cell, providing a precise spatial and temporal map.
Researchers have made a breakthrough in understanding malaria parasite proteins that could lead to targeted therapies. Two key proteins, PfRAP03 and PfRAP08, regulate gene expression in the apicoplast, a unique organelle found in P. falciparum. The loss of either protein led to parasite death, confirming their essential roles.
Scientists have comprehensively studied the function and structure of SLC13A5 membrane transporter, revealing molecular mechanisms linked to severe epilepsy. The study analyzed nearly ten thousand genetic mutations and identified disease-causing variants, shedding new light on the mechanisms of this disease.
A new gene therapy delivery device called NANOSPRESSO could revolutionize how hospitals treat rare diseases by allowing them to create personalized nanomedicines in-house. This democratized approach to precision medicine could boost access to low-cost bespoke gene and RNA therapies, especially in low-resource settings.
Scientists have developed a method to produce macrocyclic peptides using brewer's yeast, which can be rapidly analyzed for therapeutic applications. The approach harnesses the natural machinery of yeast to create biocompatible and biodegradable peptide molecules with precision targeting and stability.
A new study found that gamma-linolenic acid (GLA) can directly relax constricted coronary arteries by blocking a key receptor. This discovery offers promising implications for preventing coronary spasms and angina. GLA's effects are comparable to omega-3 fatty acids, challenging previous beliefs.
A new study reveals how nymphaeol A, a bioactive compound in propolis, behaves within complex biological membranes. The molecule spontaneously inserts into the membrane, altering its structure and increasing fluidity, which may enhance its therapeutic effectiveness.
Scientists developed a precise, cost-effective way to make chiral ketones for medicines, agrochemicals, and more using photocatalysis. This approach solves the challenge of reaching remote stereocenters in molecules, allowing for eco-friendly production of valuable chemicals.
The histone modification H3K4me3 is crucial for chromosome and spindle stabilization, normal oocyte development, and embryonic competence. Removing H3K4me3 leads to destabilized spindles, impaired embryonic development, and decreased fertility.
Researchers identified two natural products, pandorabactin A and B, produced by Pandoraea bacteria to complex iron. These molecules may play a role in the survival of these pathogens in iron-poor environments.
Scientists at Xi'an Jiaotong-Liverpool University developed a new nanoparticle capable of carrying high doses of chemotherapy drugs while staying stable for extended periods. This innovation could make treatments more effective and reduce side effects.
Researchers developed self-propelled ferroptosis nanoinducers to enhance cancer therapy by inducing programmed cell death. The nanotherapeutics exhibited enhanced diffusion and deep tumor penetration while maintaining biocompatibility.
Researchers from Florida Atlantic University have discovered a potentially safer treatment for multiple disorders linked to altered dopamine signaling by blocking the kappa opioid receptor. The study found that this approach can correct behavioral deficits and normalize dopamine availability.
A Japanese study found that choosing the right type of meal can extend meal duration and encourage more mindful eating. Researchers discovered that traditional bento-style meals with individual components promoted longer meal times and more chewing compared to fast food.
Researchers have discovered that hydrogen boride nanosheets can inactivate a wide range of pathogens, including viruses, bacteria, and fungi, without the need for light activation. The nanosheets' ability to denature microbial proteins through strong physicochemical interactions confirms their effectiveness in combating various microbi...
Using a novel GPS NMR method, researchers tracked the motion of a key GPCR and found that it doesn't simply switch between two states. Instead, it exists in a dynamic conformational equilibrium between inactive, preactive, and active states.
Researchers discovered a protein associated with Parkinson's disease causes the transition from liquid to solid in microscopic blobs of protein found in human cells. The study's findings provide new insights into the development and progression of neurodegenerative diseases.
Researchers developed fluorescent polyionic nanoclays that can be customized for medical imaging, sensor technology, and environmental protection. These tiny clay-based materials exhibit high brightness and versatility, enabling precise tuning of optical properties.
A new study by researchers at the Institute of Science Tokyo hints that calcium ions played a crucial role in shaping life's earliest molecular structures. The team discovered that calcium dramatically alters how tartaric acid molecules link together, favoring homochiral polymers and potentially influencing the emergence of life.
Researchers at Institute of Science Tokyo designed a protein cage system that can control and visualize orientational changes in aromatic side chains through strategic binding of fluorescent ligands. This approach enables precise control over protein dynamics while enhancing fluorescence properties, with potential applications in biomo...
Researchers are exploring the effects of herring roe omega-3 on exercise metabolism and recovery in active females. The study aims to investigate its benefits for supporting a healthy lifestyle across all ages, including muscle function, metabolism, and cognitive health.
A recent study found that polyester microdroplets can form in salt-rich environments, at low alpha-hydroxy acid concentrations, and in small reaction volumes. This expands on previous research and suggests that polyester protocells were likely more common on early Earth than previously thought.
Scientists from SANKEN at Osaka University created an electrically controlled nanogate that can be tailored for specific molecules. The gate's diameter was adjusted using voltage, leading to distinct ion transport behaviors. This technology has the potential to enable precise control over molecule transport and reaction systems.
The researchers have developed a groundbreaking method to expand the color palette of bioluminescent protein to 20 distinct colors, enabling advanced simultaneous multi-color imaging. This innovation makes it significantly easier and more cost-effective to monitor multiple targets or track individual cells within a population.
Intrinsically disordered proteins make up 30% of all proteins and are linked to various diseases. By combining two methods in a single sample, researchers have improved the accuracy of measuring protein size and its impact on disease development.
Researchers have discovered that girolline, a compound from the sea sponge Pseudaxinyssa cantharella, acts by modulating eIF5A activity, preventing ribosomes from stalling on difficult-to-translate amino acid sequences. This finding has implications for its potential as an antimalarial and anti-aging agent.
A team of University of Melbourne researchers has developed a novel drug delivery system composed of metal-biomolecule networks (MBNs), which eliminate the need for toxic drug carriers. The MBNs show antiviral, antibacterial, antifungal, anti-inflammatory and anti-cancer properties, potentially increasing success in drug development.
Researchers developed a new tool called SigRM to analyze single-cell epitranscriptomics data, enabling the study of RNA modifications in individual cells. This can provide valuable insights into gene regulation and its impact on health and disease, particularly in complex conditions like cancer.
A study by Chiba University researchers has identified 106 compounds in pregnant women's serum samples, including phthalates, nitrogenous compounds, and parabens, which may impact biological pathways. The study proposes a non-targeted approach for detecting foreign chemicals and evaluating their potential health effects.
Researchers determine stereostructure of iriomoteolide-1a and -1b using NMR spectroscopic analysis, theoretical calculation, and total synthesis. The study reveals nanomolar cytotoxic activity of synthetic iriomotelide-1a in human cancer cells.
Junior Professor Johannes Walker at the University of Göttingen has been awarded an Exploration Grant to develop new strategies for synthesizing saturated polycyclic molecules, potentially leading to new medicines. The award will enable his team to explore new lines of research and contribute to the development of new drugs.
Researchers developed a method to visualize AMPA receptors using PET scans, revealing differences in density and distribution between healthy subjects and those with psychiatric disorders. This discovery may lead to new diagnostic and therapeutic approaches for conditions like schizophrenia, bipolar disorder, and autism spectrum disorder.
A new study has identified novel strains of microbes that have adapted to use limited resources in cities, including those found in Hong Kong's subways and skin. These microbes can metabolize manufactured products, posing health risks if they are pathogenic.
Researchers at EMBL Hamburg and CSSB have uncovered the molecular details of vitamin B1 absorption, revealing critical transporters and barriers that hinder its progress. The study sheds light on rare diseases caused by SLC19A3 mutations and potentially life-threatening hidden deficiencies triggered by certain medications.
Researchers at Martin-Luther-Universität Halle-Wittenberg have observed proteins restructuring themselves to produce inositol, a key substance for metabolism. The study reveals that this process occurs in multiple similar proteins, shedding light on their functions.
The study found a close correspondence between high levels of stress and disease in Indigenous populations and elevated immunoglobulins and C-reactive protein in their teeth. This new method provides a record of a person's health status from birth to early adulthood, offering valuable insights into past human experiences.
A study led by Cesar de la Fuente and his team has uncovered sequences for infection-fighting molecules in the genomic data of extinct species. These ancient β-defensins may lead to the creation of new antimicrobial therapies, including antibacterial, antifungal, and antiviral treatments.
Researchers investigated peptide clumping behavior using molecular dynamics simulations and AI techniques. They discovered that aromatic amino acids enhance aggregation, while hydrophilic ones inhibit it, offering insights into peptide structure and function.
A team of researchers, led by Jason Shoemaker, are studying the effects of hormones on the immune system's response to the flu. Their goal is to develop targeted therapies based on a person's sex or hormone levels. The study aims to identify the molecules or pathways that affect the cells and begin to develop personalized treatments.
A team of researchers developed a new chemical reaction to synthesize ADP- and ATP-containing molecules with high yields, overcoming limitations of traditional methods. The reaction uses a hydrolysis-stable reagent and achieves reproducible access to these molecules.
Researchers at the University of Illinois developed an eco-friendly method to precisely mix fluorine into olefins using natural enzymes and light, offering a more efficient strategy for creating high-value chemicals with potential applications in agriculture, pharmaceuticals, renewable fuels and more.
The UTEP research team found that nanoplastics and PFAS can alter proteins in human breast milk, infant formulas, and affect oxygen storage. This could lead to developmental defects, compromised immunity, and reduced mineral absorption.
A recent study found that oleacein increases BDNF expression in human neuronal cells and reduces depressive behavior in mouse models. Gene expression analysis reveals the activation of cell cycle and neurogenesis processes, as well as a decrease in inflammatory response.
Two studies by Prof. Lucía Chávez Gutiérrez's team reveal the role of gamma-secretase inhibition and amyloid plaque composition in AD. Aβ42 fragments impede gamma-secretase function, while multimodal mass spectrometry imaging reveals diverse plaque compositions.
Scientists aim to create a spray-on bandage that breaks down within 48 hours, providing time for proper treatment. The project uses enzymes to degrade polymer complexes, which will allow for controlled degradation and potential applications in drug delivery.
Researchers discovered that just eight new biochemical reactions can bridge the gap between simple geochemistry and biochemistry, indicating a limited loss of biochemistry to time. This finding suggests that even extinct reactions can be rediscovered from clues left behind in modern biochemistry.
Researchers investigated the biological repercussions of UV-C radiation exposure from readily available domestic lamps and found that even brief exposure can lead to irreversible alterations in skin cells and retinal cells. The study highlights the need to prioritize safe utilization of these lamps to prevent potential harm.