Articles tagged with Lipids
A new study by Rice University bioscientists reveals how plant cells collaborate to fuel growth, shedding light on corresponding mechanisms in human cells. The findings focus on the role of enzyme MIEL1 and its human counterpart PIRH2 in breaking down protein coatings on lipid droplets.
A German federal funding program will support a five-year research collaboration to develop specialty lipids and auxiliaries for mRNA vaccines. The project aims to enhance production capacities and improve the resilience of supply chains for future mRNA therapeutics.
A new review paper suggests ACSL4 status as a biomarker for breast cancer subtype classification and predictor of response to hormone-based therapies. The enzyme may also serve as a target for developing new treatment modalities in quadruple negative breast cancer.
Researchers developed a new method, photoacoustic spectral analysis (PASA), to analyze the tumor microenvironment without invasive procedures. The technique uses laser light and sound waves to identify different types of tumors with high accuracy.
A new study found that elevated Lipoprotein(a) levels are a significant predictor of recurrent coronary heart disease (CHD) in people over 60. The study suggests current cholesterol-lowering medications may not be effective in reducing the risk of recurrent CHD, highlighting the need for novel therapeutics to target elevated Lp(a).
International researchers have identified nutrient-rich black rice varieties with improved agronomic traits, including shorter stem length and early maturity. These findings provide important resources for crop bioengineers to improve pigmented rice for human health and sustainable agriculture.
Cancer cells in brain tumors produce lipids at higher rates than surrounding healthy tissue, offering clues for treatment strategies. The study provides insights into the unique biochemical processes fueling cancer growth in the brain.
Researchers have identified opioid growth factor receptor (OGFr) as a promising new target for enhancing lipid oxidation. Studies in rodents and human subjects suggest that OGFr boosts lipid metabolism, improving thermogenesis and reducing the risk of obesity-related diseases.
A recent study led by UCLA researchers has identified a potential new strategy for treating glioblastoma by targeting a specific metabolic process in cancer cells. The study found that disrupting this process could make glioblastoma cells more vulnerable to cell death, offering hope for new treatment options.
Researchers found that high-fat diets increase levels of gut-derived bacterial toxins and systemic inflammation, promoting atherosclerosis. The study suggests targeting interventions for individuals at risk of developing heart disease.
Researchers at Duke-NUS Medical School have identified a special transporter protein that regulates the formation of myelin sheaths in the brain, which protect nerves from damage. The study suggests that omega-3 fatty acid lipids play a crucial role in directing oligodendrocyte development, a process critical for brain myelination.
This study examined the effects of deferoxamine and ferrostatin-1 on salivary gland dysfunction in ovariectomized rats. The researchers found that these compounds reduced inflammation, fibrosis, and improved salivary gland function, suggesting potential treatments for postmenopausal xerostomia.
The study analyzed the growth and productivity of Botryococcus terribilis under different cultivation systems. Stress increased the production of lipids and hydrocarbons by 49% and 29%, respectively, while proteins decreased. The microalgae's metabolites have potential applications in biofuel synthesis, cosmetics, and food.
Researchers at UMass Amherst microbiologists have identified an enzyme involved in TB pathogen's survival and growth. The discovery offers a potential target for drug therapies for the deadly disease, which has few effective treatments and caused over 1.6 million deaths worldwide in 2021.
Researchers have developed a novel insulin formulation that can be switched on by glucose, offering improved regulation of blood sugar levels in patients with type 1 diabetes. The new formulation uses biocompatible lipid nanoparticles and achieves precise control of insulin release in response to fluctuations in blood sugar.
This technology uses light and sound to create images of the inside of the body. The research team developed a novel method that eliminates the need for ultrasonic transducers, allowing for non-contact photoacoustic signal detection and improved sensitivity. The technique has great application potential in various biomedical research.
Researchers at Tufts University have successfully produced bulk fat tissue in a lab that has a similar texture and makeup to natural animal fat. The aggregated fat cells can be fine-tuned to resemble real-life fat within meat, offering a key step towards mass production of cultured meat.
A team of researchers at Tohoku University has uncovered the biological mechanisms of ferroptosis, a type of cell death triggered by iron and lipid peroxidation. The study reveals that lipid peroxides accumulate at the plasma membrane, leading to increased tension and permeability to cations.
Researchers have developed a new type of nanoparticle that can efficiently deliver CRISPR/Cas9 components to the lungs, allowing for targeted gene editing. In mice studies, the particles delivered mRNA to up to 60% of lung epithelial cells, offering a promising approach to treating genetic diseases such as cystic fibrosis.
Researchers discovered that lipid deposition on medical implant surfaces can signal to the immune system whether to attack or ignore the implant. This knowledge could help develop biomaterials that deflect host immune aggression, reducing malfunction rates for devices like pacemakers and surgical mesh.
A study by researchers at TUM found that gut bacteria play a crucial role in liver regeneration. The microbiome produces short-chain fatty acids, which are essential for liver cell growth and division. In mice treated with antibiotics, liver regeneration was delayed or not possible, but a
Gene therapy using CRISPR-Cas9 lipid nanoparticles has been shown to be highly effective in reducing target protein expression in mice. The new delivery system increases the efficiency of in vivo gene therapy, paving the way for safe and effective treatment.
Scientists at the University of Missouri have developed a novel method to detect food adulteration using nuclear magnetic resonance (NMR) spectroscopy. The technique can identify vegetable oil adulterants in hard cheese products with high accuracy, leading to improved consumer safety and product authenticity.
Researchers created human organoid models of fatty liver disease to shed light on drug responses and disease biology. The models identified a common mechanism for effective drugs that block lipid generation from sugars, suggesting personalized medicine applications.
A recent UBC study has found that southern resident killer whales require high-energy prey to survive, with spring-run Chinook salmon being the most suitable. The study's findings have significant implications for managing both species and mitigating the decline of this critically endangered population.
Scientists at the University of Illinois Chicago have found a way to selectively degrade disease-causing proteins in specific parts of cells. By studying the movement of enzymes inside cells, they discovered that attaching or detaching a fat molecule can direct where these enzymes go.
A study published in the Journal of Biological Chemistry found that a fish oil derivative called DHEA can reduce inflammation and disease severity in mice with multiple sclerosis. By supplementing the diet of mice with DHEA, researchers noticed a decrease in MS-like disease symptoms and an improvement in the immune system's response.
Researchers at Tufts University School of Medicine found that p97 protein mutations can cause organelle miscommunication, leading to the accumulation of molecules on mitochondria-endoplasmic reticulum contacts. This miscommunication can modulate membrane rigidity and impact interorganelle interactions.
A recent study published in BMJ Open Sport & Exercise Medicine suggests that golf may be just as healthy or even healthier than Nordic walking for older adults. The research compared the acute effects of three aerobic exercises: an 18-hole round of golf, 6km of Nordic walking, and a 6km walk. The results showed that all three types of ...
A new study led by Massachusetts General Hospital researchers reveals that an investigational drug called YTX-7739 can delay the growth of brain tumors and increase their sensitivity to conventional chemotherapy. The drug works by inhibiting de novo lipid synthesis, a process used by cancer cells for energy production.
A new approach to gene therapy for inherited blindness uses lipid nanoparticles to deliver mRNA inside the eye, targeting light-sensitive cells and creating proteins that edit vision-harming gene mutations. The technology has shown promising results in animal studies, including mice and nonhuman primates.
A common fatty acid found in the Western diet contributes to increased temperature and pain sensitivity in psoriatic lesions. The findings could lead to improved pain treatments for psoriasis patients.
Researchers at Johns Hopkins Medicine discovered that regulating the electrical charge on the inner side of the cell membrane can activate pathways responsible for cell movement. This finding has potential implications for understanding cancer cell migration and immune cell function.
A new analytical method has been developed to map climatic and environmental processes at high temporal resolution, revealing an abrupt intensification of seasonality in the tropical ocean during the last period of global climate change. This provides evidence of how global climate changes affect local, seasonal temperature variations.
A study suggests that visceral fat cells, rather than subcutaneous fat cells, are more susceptible to infection by the COVID-19 virus. This increased susceptibility leads to a higher viral load and production of pro-inflammatory cytokines, which can exacerbate severe disease.
Researchers used mass spectrometry to analyze complex biological samples, including Salvia miltiorrhiza Bge and Astragali Radix. The studies identified metabolites and compounds with immunoregulatory effects, highlighting the potential for new drugs and improving plant quality.
Researchers developed a new method to target and treat visceral adiposity using positively charged P-G3 nanomaterials, which inhibit unhealthy lipid storage in enlarged fat cells. This approach also rejuvenates healthy fat cells, promoting metabolically healthy fat cell formation.
A study found that ocean warming and acidification decrease the nutritional quality of coccolithophores, a crucial food source for zooplankton species. The study's experiment showed an increase in lipid availability under ocean warming but reduced nutritional content under acidification.
Researchers explore the interactions between adipose tissues and surrounding blood vessels in connection with lipid metabolism and associated diseases. Targeting angiogenesis may provide a gateway for treating obesity, while its inhibition or promotion depends on the specific disease context.
A recent study from the University of Eastern Finland found that genetic background has an effect on the metabolism of essential polyunsaturated fatty acids alpha-linolenic acid and linoleic acid. The study showed that the FADS1 genotype modifies the responses to diets rich in alpha-linolenic acid and linoleic acid.
Researchers at Hokkaido University developed a novel branched ionizable lipid that significantly increases the efficiency of mRNA delivery by LNPs. The new lipid, CL4F 8-6, was found to enhance protein expression in mice and achieve stable formulations.
Researchers at Weill Cornell Medicine have discovered a mechanism by which lipids regulate pacemaker ion channel proteins in the heart. By disrupting a specific molecular connection, certain lipids can enhance pacemaker channel activity, leading to potential treatments for cardiac arrhythmias and other conditions.
A critical new pathway to treating glioblastoma, a deadly brain tumor, may be found in the complex diversity of tumor tissue. CDI scientists identified lipids with potential therapeutic value, highlighting the importance of targeting signaling pathways in relation to cell function and resistance to therapy.
Researchers have identified a class of lipids called SGDGs that decline in the brain with age and may have anti-inflammatory effects. These findings could lead to new therapeutic interventions for age-related neurological diseases. Further research will be needed to explore the role of SGDGs in human neuroinflammation.
Researchers at Harvard Medical School have made progress in understanding the mechanism underlying a type of dementia that strikes early in life. A genetic form of frontotemporal dementia is associated with accumulation of specific lipids in the brain, which results from a protein deficiency that interferes with cell metabolism.
Researchers developed a new method to study membrane proteins in their native environment, the cell, using electron spin resonance spectroscopy. This technique allows for precise determination of protein properties and could lead to better understanding and targeting of membrane proteins involved in anti-cancer drug resistance.
Helmholtz Munich researchers identified a novel strategy to alter glucagon receptor signaling by changing its intracellular localization. This approach offers therapeutic potential for treating type 2 diabetes by uncoupling glucose and lipid metabolism-related effects.
Engineered duckweed produces up to 10% oil content, a 100-fold increase over wild-type plants, with synergistic effects seen when combining gene modifications. The oil-rich plant can be easily harvested for biofuels or bioproducts, reducing competition with food crops and environmental waste.
Researchers have identified an endocannabinoid, 2-linoleoyl glycerol (2-LG), responsible for activating TRP channels in photoreceptor cells. This discovery sheds light on the visual transduction process and may have implications for other sensory systems.
A study at Michigan Medicine found multiple lipid biomarkers linked to diabetic neuropathy in patients with type 2 diabetes. High scores for neuropathy were associated with changes in lipids reflecting impaired energy metabolism, suggesting a potential target for testing and managing the condition.
Researchers found pre-existing differences in gut bacteria between people with and without HIV, including decreased Bacteroides species and increased Megasphaera elsdenii. These changes were present even before infection occurred, suggesting a potential link between gut microbiome and HIV susceptibility.
Researchers introduce synthetic catalysts into algae cells, enabling chemical reaction upgrades to produce building blocks for polymers and chemicals. The process reduces reliance on fossil raw materials, using atmospheric carbon dioxide as a carbon source.
A deficiency in gene regulation disrupts the clearance of surfactant lipids in alveolar macrophages, leading to their bloating and foaming. This defect is associated with conditions like pulmonary alveolar proteinosis, obesity, and atherosclerosis.
A team of scientists from Ural Federal University has developed a complex mathematical model to understand the dynamics of nanoparticles and viruses in cells. The model reveals how viruses cluster inside endosomes and interact with cellular proteins, shedding light on their behavior and replication mechanisms. This breakthrough can hel...
Researchers at La Jolla Institute for Immunology discovered how Zika virus forces dendritic cells to churn out lipid molecules, allowing the virus to build copies of itself. This study provides a major step forward in developing antiviral therapies against multiple flavivirus infections.
Researchers at Penn State have identified a crucial step in the formation of glycerol dibiphytanyl glycerol tetraether (GDGT), a lipid molecule found in extreme environments. The discovery could improve the use of GDGT as an indicator of past climates.
Researchers developed a mathematical model to predict the efficiency of nanoparticle delivery into cells, particularly in stem cells. They found that nanoparticles become trapped in bubble-like vesicles, preventing them from reaching their targets.
Gut bacteria produce inositol lipids, vital for cellular processes in humans, and these substances impact the symbiosis between bacteria and their hosts. The discovery sheds light on how gut bacteria thrive in their human hosts.
Researchers at Georgia Institute of Technology have developed a new screening technique called DNA barcoding, which accelerates the discovery of effective lipid nanoparticle carriers. The technique allows for simultaneous testing of many experiments and has improved nanoparticle pre-clinical screening.
Researchers at Hokkaido University identified over 1,300 types of ceramides in the top layer of human skin, including their chain lengths and fatty acid compositions. The discovery could improve understanding of skin barrier function and disease pathology.