Articles tagged with Transporter Proteins
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Scientists have discovered the transporters responsible for delivering essential nutrients choline and ethanolamine to human cells. The study sheds light on the atomic structure of these transporters and their role in distributing micronutrients throughout the body, providing a foundation for new therapeutic approaches.
Researchers investigated molecular changes in aging mouse sweat glands, finding 171 mRNAs enriched in secretory cells. Altered mRNA and protein abundance were associated with age-related declines in sweat gland function.
Scientists identify crucial protein PicA in jumbo phages that selectively transport proteins to replicate inside bacteria. This discovery sheds light on the complex biological makeup and mechanisms within these mysterious viruses.
Depletion of axonal mitochondria disrupts autophagy, leading to abnormal protein build-up in neurons. Restoring mitochondrial levels restores autophagy and recovers impaired neuron function.
A recent study reveals the 3D structure of Asc1, a protein gate that controls amino acid transport in neurons. The findings provide crucial information to develop new drugs for neurological disorders such as schizophrenia, stroke, and ALS.
Researchers developed a powerful new technique to generate dynamic structural data of proteins. They applied it to Glt Ph, revealing previously unseen structural states and uncovering the basis of wanderlust kinetics. The approach opens up possibilities to track protein structure in real-time.
Emerging from a need to understand organelle interactions, researchers have developed OrthoID, a novel strategy that refines protein identification at organelle contact sites. This method uses mutually orthogonal binding pairs to label and isolate proteins involved in cellular communication.
Scientists discovered that tiny brain bubbles called small extracellular vesicles carry more complete instructions for altering cellular function than previously thought. Researchers found nearly 80% of identified mRNAs were full-length, allowing them to be transcribed by recipient cells into viable proteins.
Researchers discovered ERMA, a cellular transport 'pump', plays a crucial role in guiding magnesium to heart cells. Targeting ERMA could lead to new treatments for heart conditions by maintaining stable calcium balances.
Researchers have discovered a mysterious exporter for brassinosteroid hormones in plants, which plays a crucial role in regulating plant growth and stress response. The newly identified protein, ABCB19, exports brassinosteroids to execute their function, opening up new avenues for improving plant productivity and resilience.
In nerve cells, insulin facilitates the elimination of defective mitochondria when energy is available. However, during energy scarcity or disrupted insulin signaling, mitochondrial recycling is reduced, allowing potentially damaged power plants to continue operating. This process affects ageing processes and neurological diseases.
A team of researchers from the Medical University of South Carolina has discovered a novel protective response by which the brain naturally repairs itself after traumatic brain injury. Protein p17 plays a crucial role in this process, triggering the restorative mechanism of mitophagy to remove damaged tissue and initiate healing.
Researchers at MIT have developed a new type of nanoparticle that can both deliver vaccines and act as an adjuvant to generate a strong immune response. The particles, called metal-organic frameworks (MOFs), were shown to be effective in delivering the SARS-CoV-2 spike protein and boosting the immune system's response.
Researchers capture atomic resolution images of ionotropic glutamate receptor transporting calcium, revealing a temporary pocket that traps calcium. The mechanism discovered is conserved across all species of mammals and has implications for synaptic function and learning processes.
Researchers have identified two essential ferredoxins that play a key role in determining the performance of iron nitrogenase. The discovery opens up new possibilities for elucidating and maximizing nitrogenase's potential, which could lead to sustainable enzymatic production of ammonia and carbon compounds.
Researchers discover how S1P molecules are released from SPNS2 protein via small cavities, enabling potential treatment for inflammatory diseases. The study provides a foundation for designing future drugs targeting the protein.
Researchers at the University of Gothenburg discovered how proteins deform to create efficient transport routes for electrons, powered by solar energy. This finding could lead to more efficient solar cells and batteries.
Researchers found that APOE4 accumulates on fat droplets in astrocytes, damaging brain cells and preventing them from cleaning up toxic lipids. This mechanism could explain why APOE4 increases Alzheimer's disease risk.
A study conducted at a FAPESP-supported research center discovered a link between the protein VAPB and tumor cell proliferation in medulloblastoma, one of the most common and aggressive brain tumors in children. High expression of VAPB correlated with reduced patient survival.
Researchers discovered a new role for Mfsd7c in exporting excessive choline from the brain. The study suggests that targeting this protein could lead to therapeutic interventions for Alzheimer's disease and other neurological disorders.
Researchers discover HIV uses its capsid to bypass cellular defenses and transport genetic material into the cell nucleus. The 'smart' FG phase of the nuclear envelope allows the capsid to slide through, concealing the genomic payload from anti-viral sensors.
Researchers have unveiled a previously unknown conformational state of OxlT transporter protein using advanced computational methods. This discovery offers new insights into the protein's function and potential therapeutic targets for preventing kidney stone formation.
Researchers discovered a mutation in the APOA4 gene causing chronic kidney disease by analyzing DNA from affected families. The mutation leads to unstable and aggregated APOA4 protein depositing in the kidney, resulting in progressive kidney disease.
Researchers from Tokyo University of Science discovered that manipulating polyamines enhances the functional profiles of monoclonal antibodies. The study found that controlling polyamine levels increases IgG galactosylation, leading to improved therapeutic efficacy.
Researchers used cell imaging and genome editing technology to study the Coat Protein Complex II, a critical group of proteins that transport proteins within cells. They discovered that Sec23 helps restore COPII's function after disruption, with potential implications for diseases like cancer and Type 2 diabetes.
A research team at Texas Tech University Health Sciences Center discovered a unique sodium pump variant in brine shrimp that enables them to thrive in high-salinity environments. This NKA variant uses more energy than common variants, allowing the animal to maintain steeper Na+ gradients.
Researchers at TTUHSC are studying a new approach to inhibit STAT3, a protein associated with 70% of human tumors. Disrupting STAT3 synthesis on ribosomes could lead to new cancer treatments.
A new study found that HSP10 treatment improved exploratory preferences, object contacts, and swimming time in aged mice, while also increasing proliferating cells and differentiated neuroblasts. The protein also mitigated age-related gene reductions and increased sirtuin 3 levels.
A study published in Nature Communications sheds light on the critical role of P4-ATPases, particularly ATP8B1-CDC50A, in maintaining lipid asymmetry in cell membranes. The research team used cryo-electron microscopy to determine the structure and function of the human flippase complex, revealing its regulation by phosphoinositides.
A recent study by Goethe University Frankfurt has identified a mechanism that could be a suitable starting point for developing novel drugs against leukemia cells. The researchers discovered that the mutated NPM1 gene variant drives pro-autophagic activity, enabling cancer cells to recycle their structures and meet their needs.
Researchers have successfully mapped the entire HLA class II landscape, predicting how pathogens are displayed on cell surfaces. The mapping reveals that multiple HLA variants play essential roles in autoimmune disorders and organ rejection, highlighting their potential for developing immunotherapy treatments.
Scientists at the University of Leicester have made a groundbreaking discovery about how cholesterol in our diet is absorbed into our cells. The research, published in Science, highlights the role of two proteins called Aster B and Aster C in transporting cholesterol from the intestine to the bloodstream.
Researchers developed prodrugs that temporarily incorporate thyroxine or a thyroxine-like molecule to enhance brain drug delivery. These prodrugs were efficiently delivered into glial cells via the OATP1C1 transporter, targeting chronic inflammation in the brain.
Scientists at Okayama University have identified a membrane transporter, SIET4, in rice leaves that facilitates the localization of silicon. This discovery reveals intricate processes involved in Si deposition, enabling plants to accumulate high levels of silicon and survive environmental stresses.
Researchers at Weill Cornell Medicine have discovered a new mechanism that makes some cancers treatment-resistant, involving the shuttling of messenger RNAs from the nucleus to the cytoplasm. The approach targets this mechanism with a combination of approved chemotherapies, showing promise in treating persistent cases.
A recent study published in the Journal of Cell Biology has made significant progress in understanding autophagy and lipid recycling. Researchers used yeast as a model organism to identify key players in the process, including Atg15, Pep4, and Prb1, and demonstrated that Pep4 and Prb1 activate Atg15 to break down phospholipid bilayers.
Researchers at St. Jude Children's Research Hospital have determined the structure of vesicular monoamine transporter 2 (VMAT2), a protein crucial for packaging and releasing neurotransmitters in neurons. The study provides critical information for drug development to treat hyperkinetic disorders like Tourette syndrome.
A research team from Heidelberg University has decoded the structure of a sperm membrane transporter, revealing its role in increasing mobility and fertilization capacity. The findings may lead to new treatments for infertility and contraception methods.
Researchers at Stockholm University have discovered a unique ion transporter, SLC9C1, that activates in response to chemo-attractants, triggering increased sperm motility. This finding provides new insights into the intricate mechanisms governing fertilization.
Scientists have discovered a new small molecule called Feeblin that inhibits the interaction of SLC15A4 with TASL, a key player in pro-inflammatory signalling pathways. This finding offers promising new treatment options for patients with autoimmune diseases like systemic lupus.
Researchers identify mechanism by which specific protein condensates transition from liquid to solid states, enabling stability and transmission of mechanical forces. MEC-2 proteins' biological function switches with rigidity maturation, facilitating mechanosensation.
Researchers have revealed a revolutionary new understanding of how proteins enter mitochondria, correcting long-held assumptions about the TIM complex. High-resolution cryo-electron microscopy data and advanced biochemical methods were used to re-evaluate old data and map functional organization in great detail.
Researchers used AlphaFold technology to reveal the structure and function of pineapple's SWEET10 protein, a glucose transporter. The study found that SWEET10 has similar glucose transport capabilities as Arabidopsis SWEET8, with potential applications for improving crop yield and quality.
A Cornell-led collaboration created a 3D in-vitro model of human lymphatic vessels that revealed a surprising mechanism jamming up drainage: the protein ROCK2. Inhibiting ROCK2 reverses lymphedema effects, offering potential treatment for this condition.
Researchers identified key proteins regulating cholesterol distribution within cells, including OSBP1, ORP92, and GRAMD1s. This discovery sheds light on the critical mechanisms underlying cellular cholesterol distribution, offering insights into various health conditions.
A groundbreaking study by UNIST researchers reveals that high levels of endotrophin in fat cells disrupt autophagy, leading to inflammation and insulin resistance. Inhibiting ATG7 protein function or neutralizing endotrophin shows promise as a potential treatment for obesity-related metabolic diseases.
A UNIGE team has identified a new mechanism governing microtubule growth, involving two proteins that form a liquid-liquid phase separation at the tip of the microtubule. This discovery opens up unprecedented prospects for developing new treatments that can act at the heart of cells.
A team at Tohoku University has used cryo-electron microscopy to study a crucial protein involved in zinc ion transport. The study reveals new insights into the mechanisms governing zinc transport, which play a vital role in enzyme catalysis, DNA binding, and gene regulation.
A study led by Weill Cornell Medicine researchers found that some ion channels can rearrange into a larger structure, enabling drug delivery. The discovery solves a long-standing mystery about ion channel dynamics and has implications for pharmaceuticals.
The study reveals that magnesium transport proteins are essential for plant metabolism and chloroplast functioning, impacting growth and yield. The analysis of three newly identified magnesium release and transporter proteins shows their importance in photosynthesis.
Researchers at St. Jude uncover how ABCG2 protein removes chemotherapies from cells, highlighting a potential path to combat drug resistance. The study identifies key amino acids responsible for this promiscuity and suggests designing inhibitors targeting these sites.
Researchers aim to treat pancreatic ductal adenocarcinoma by targeting amino acid transporter SLC6A14 and compensatory nutrient scavenging mechanisms autophagy and macropinocytosis. Using alpha-methyl-L-tryptophan and hydroxychlorquine, the study seeks to improve therapeutic outcomes in patients with pancreatic cancer.
Researchers have created self-assembling protein-mimics that can selectivity transport water across membranes while rejecting salts, offering a potential solution to improve energy efficiency in industrial water purification. The oligourea foldamers are smaller and more stable than existing artificial water channels.
Scientists have developed a new assay system to target lactate transporters SLC16A1 and SLC16A3, associated with certain cancers and diseases. The method enables the discovery of highly selective inhibitors, providing a potential new approach for cancer treatments.
Researchers at Technical University of Munich have discovered that the outer envelope membrane of chloroplasts plays a crucial role in regulating metabolite transport, which is essential for optimizing photosynthesis. By understanding this process, scientists hope to develop new strategies to boost crop yields and produce more biomass.
UCF researcher Dr. Justine Tigno-Aranjuez has discovered a new receptor that recognizes house dust mite allergens, opening up potential for broad-spectrum therapy. The finding could lead to improved treatments for common allergies, including asthma.
A new study has determined the atomic-level structure of a zinc-transporter protein, showing how it regulates zinc levels inside cells through a built-in sensor. The protein acts as a dimer, using feedback to control its activity based on zinc levels.
A University of Ottawa team has discovered a vital role for the VGLUT3 transporter protein in modulating the development of Huntington's disease. The study shows that blocking glutamate release through this protein can lead to an amelioration of the disease progression, offering new hope for potential treatment approaches.
A recently discovered protein domain, MOTH, has been found to regulate collagen transport between cells and organelles. This domain, which evolved over several hundred million years, is responsible for identifying and transporting the collagen protein.
Researchers at Aarhus University discover how the SUC transporter recognizes sucrose and uses acid to power its sugar delivery. This breakthrough sheds light on how plants defend themselves from pests and could lead to new ways of protecting plants from harmful bugs.