Articles tagged with Lipid Metabolism
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Researchers investigated the therapeutic potential and molecular mechanisms of oxytocin in metabolic dysfunction-associated steatotic liver disease (MASLD). Oxytocin attenuates lipid accumulation and accelerates lipid metabolism by regulating the AMPK/SREBP1c/FAS axis.
Scientists developed a compound that targets Liver X Receptor specifically in liver and gut to lower triglycerides. In first-in-human clinical trial, participants showed significant drops in triglycerides and remnant cholesterol after taking the drug.
Researchers have identified three new skin-protective compounds called oryzaceramides A, B, and C from rice bran by-products. These acylated glucosylceramides play a crucial role in maintaining epidermal integrity and demonstrate significant skin barrier-enhancing effects.
Researchers will investigate how HIV and cancer drugs damage brain cells over time, identifying potential early biomarkers of neurotoxicity. They will use human brain organoids grown in the lab to mimic brain physiology.
A controlled feeding study out of South Dakota State University shows that older adults who reduced ultra-processed foods naturally consumed fewer calories, lost weight and abdominal fat, and showed improvements in insulin sensitivity and inflammation. This study provides evidence that the Dietary Guidelines for Americans can deliver s...
Researchers elucidated the structure of GPR1 bound to chemerin and β-arrestin, revealing a dynamic transition from a pre-coupled state to a fully engaged state. The study sheds light on the molecular mechanism underlying arrestin-mediated modulation of non-canonical GPCRs.
Researchers developed a probe to visualize lipid breakdown in living cells, revealing differences in breakdown rates among individual droplets. The study found that an enzyme called ATGL drives these variations, which may contribute to abnormal lipid metabolism in liver cancer cells.
Research on leptin reveals its multifaceted roles in MAFLD, including regulation of energy balance and metabolism. Leptin therapy shows promise in rare cases of leptin deficiency but is largely ineffective in obesity-associated hyperleptinemia.
This review highlights SIRT1 as a key regulator in MASLD, orchestrating metabolic homeostasis, immune modulation, and inter-organ communication. SIRT1's therapeutic potential is supported by natural product activators and synthetic small-molecule compounds.
Researchers at University of Utah Health have found that AKI is triggered by ceramides, which cause serious injury by damaging kidney mitochondria. Using a backup drug candidate, the team was able to preserve mitochondrial integrity and prevent kidney injury in mice.
Researchers found that the leptin-SCD pathway fuels breast cancer growth and motility, leading to poorer recurrence-free survival. Selectively blocking SCD activity can counteract pro-tumorigenic effects driven by leptin, revealing a potential therapeutic target for obese patients.
Researchers identified a significant association between perfluoroheptanoic acid (PFHpA) exposure and metabolic dysfunction-associated steatotic liver disease (MASLD) in adolescents. The study used advanced models to reveal PFHpA's role in disrupting biological pathways, leading to liver damage and inflammation.
A study published in Science Advances found that the ketogenic diet can have potentially dangerous impacts on metabolic health, including impaired blood sugar regulation and fatty liver disease. Mice fed the diet developed severe metabolic complications, with some changes starting within days.
Researchers identified key genes connected to cellular lipid metabolism that guide the precise release of cytotoxic granules in human NK and T cells. This discovery explains how immune cells work and sheds light on diseases caused by genetic defects.
Researchers identified a cellular mechanism that alters the gut microbiome in a way that promotes cancer. Long-chain fatty acids serve as food for certain bacteria, such as Desulfovibrio fairfieldensis, which multiply and displace other microbes.
A Chinese Medical Journal study reviews the association between lipid metabolism and Parkinson’s disease. The research highlights how lipid disruptions contribute to α-Syn aggregation, mitochondrial dysfunction, and neuroinflammation, suggesting lipids as a promising therapeutic target for PD.
A new study from MIT neuroscientists reveals how rare variants of the ABCA7 gene contribute to Alzheimer's risk by disrupting lipid metabolism and cell membrane function. Treating neurons with choline can reverse some cellular effects of ABCA7 loss.
Researchers at Salk Institute discover a new microprotein, SLC35A4-MP, that regulates mitochondrial structure and function in brown fat tissue. The study reveals the microprotein's role in maintaining healthy cellular metabolism and regulating body temperature.
The COVID-19 virus replicates using cellular machinery responsible for testosterone production, altering lipid metabolism and potentially leading to lower testosterone levels. This study reveals the mechanism by which SARS-CoV-2 targets testicular cells, offering insights into male vulnerability to COVID-19.
A new study in The American Journal of Pathology reveals that perilipin 2 protein modulates aggressive cancer progression in advanced lung adenocarcinoma by regulating lipid droplet accumulation. High perilipin 2 expression is associated with more aggressive disease progression and shorter recurrence-free survival times.
Scientists from UC San Diego develop an artificial cell membrane that can remodel itself through metabolic activity, shedding light on how life may have emerged on prebiotic Earth. This breakthrough could lead to advancements in drug delivery, biomanufacturing and environmental remediation.
A recent study published in Nature Metabolism found that electrical activity in synapses can lead to the use of lipid droplets as an energy source in the brain. Researchers discovered that neurons can break down fat into fatty acids and produce ATP, even when glucose is not present.
Creatine has broad health benefits beyond athletic performance, including maintaining energy in stressed cells and preventing muscle loss with aging. Studies have shown no significant side effects from creatine supplementation, contradicting common misconceptions.
Researchers identified biomarkers like uric acid and bile acids as critical regulators of arterial stiffness and inflammation in adolescents with obesity. These findings provide new avenues for early intervention to prevent the progression of vascular stiffness and cardiovascular disease.
Researchers have identified a monoacylglycerol acyltransferase (MGAT)-coding gene named bishu-1 that maintains the expression level of thermal receptors and modulates cool temperature sensation and avoidance behavior. The discovery could promote the development of lipid-mediated treatments for maintaining thermosensation in humans.
Tumors exploit lipid metabolism to evade immune surveillance and manipulate the tumor microenvironment. Lipid metabolism-related molecules serve as potential biomarkers for early cancer detection and guide diagnosis, prognosis, and treatment decisions.
Researchers developed t-SPESI technology to visualize cell parts and analyze lipid distributions in complex biological samples. This enables the detection of abnormal lipids linked to disease, advancing therapies and diagnostic techniques.
Researchers found that MCT4 inhibition up-regulates genes involved in triglyceride and fatty acid synthesis, increasing intracellular lipid accumulation. Overexpression of MCT4 reduces lipid accumulation by down-regulating hepatic lipid metabolism-related genes.
This study found that inhibiting cyclooxygenase-2 reduces liver ferroptosis and fibrosis by upregulating the Nrf2 signaling pathway. COX-2 inhibition also restored antioxidant defenses in hepatocytes, reducing oxidative stress and lipid peroxidation.
SLC transporters contribute to the development of hepatic steatosis by regulating lipid metabolism, particularly with SLC2A2, GLUT4, and GLUT5. These proteins influence processes like de novo lipogenesis and insulin resistance in hepatocytes.
Researchers discovered that PanK4 plays a crucial role in regulating glucose uptake and fatty acid oxidation in skeletal muscles. The protein is activated by physical exercise and has potential as a target for treating metabolic diseases such as type 2 diabetes.
This study found that intermediate-term oral contraceptive use was associated with lower antioxidant levels and higher triglyceride and low-density lipoprotein levels. Regular monitoring of these parameters is recommended for OCP users to mitigate potential metabolic and hepatic effects.
A global team of scientists has made a groundbreaking discovery of a new skeletal tissue called lipocartilage, composed of fat-filled cells that provide super-stable internal support. This unique tissue has immense potential for treating facial defects, birth injuries, and cartilage-related conditions.
Researchers identified distinct metabolic profiles in skeletal muscle of Taoyuan Black pig compared to Duroc pig, with correlations to intramuscular fat content and lipid metabolism. The study provides insights into the muscle-adipose axis and potential targets for nutritional regulation.
This study investigates SOX9's role in MASH pathogenesis and explores its underlying mechanisms. SOX9 overexpression alleviates hepatic lipid accumulation by activating the AMPK pathway.
The study proposes a novel approach for simultaneous extraction of metabolites and lipids from zebrafish embryos to shed light on PFOS-induced neurotoxicity. The researchers found that sphingolipids are a reliable biomarker of PFOS-induced neurotoxicity, and the method can be expanded to various biomolecules.
Researchers discovered that the protein PIN1 drives bladder cancer by triggering cholesterol synthesis, which fuels out-of-control cell growth. A combination of statins and a PIN1 inhibitor effectively blocks tumor growth in mice, offering a promising therapeutic approach for this deadly disease.
The study found that both axolotls and fruit flies exhibit distinct lipid adjustments during regeneration, with males increasing circulating lipids and females storing lipids in the liver. Insulin signaling pathways play a crucial role in adapting lipid metabolism to meet the needs of cell proliferation.
A 48-week follow-up study found that TMF treatment did not significantly affect blood lipid profiles in patients with chronic hepatitis B. Lipid indices remained stable, regardless of baseline characteristics.
Researchers at Van Andel Institute discovered that cutting off cancer cells' access to fat makes them highly sensitive to ferroptosis and drugs that induce it. This finding has promising implications for developing new anti-cancer strategies and potentially tailoring diets to enhance treatment effectiveness.
MASLD's complex molecular mechanisms underpin fat accumulation and progression. Targeting lipid metabolism with GLP-1 agonists, FXR agonists, and CPMs holds promise for effective treatments.
A study from the University of Copenhagen detected lipid biomarkers in obese children that indicate a higher risk of developing type 2 diabetes, liver, and heart disease later in life. A one-year lifestyle intervention lowered these biomarkers, demonstrating the importance of early intervention for children with obesity.
A study by Kumamoto University researchers reveals that ApoE plays a crucial role in promoting hematopoietic stem cells to produce more red blood cells in response to acute anemia. This mechanism differs from the previously known pathway and may pave the way for new treatments for patients with severe anemia.
Scientists have created a new chemical probe to visualize the distribution of sphingomyelin and its degradation by sphingomyelinase during infections. The researchers observed increased metabolization of sphingomyelin molecules during Chlamydia infection, paving the way for targeted strategies against infectious diseases.
Scientists have developed a new compound, ZTA-261, which selectively binds to the thyroid hormone receptor beta (THRβ) to treat lipid disorders. Mice administered the drug showed decreased lipid levels in the liver and blood with fewer side effects compared to existing compounds.
Researchers found increased liver oxidative stress and impaired antioxidant defenses in a DS murine model. The study suggests potential therapeutic strategies targeting oxidative stress and lipid metabolism to prevent or mitigate liver-related complications.
A study found that suvorexant, an orexin receptor antagonist, increased fat oxidation and decreased protein catabolism during sleep in healthy men. The effect persisted after waking up, suggesting a potential clinical use for orexin receptor antagonists in managing energy metabolism.
The study reveals age-related changes in lipid metabolism, including increased BMP-type lipids in kidneys and liver, and sex-specific differences in galactosylceramide levels. These findings may lead to better understanding of chronic diseases and the development of targeted treatments.
Researchers discovered that killifish embryos co-opted ancient genes, originating over 473 million years ago, to enable diapause during the annual dry season. The team found significant overlap in gene expression patterns between killifish and other animals, including house mice, suggesting a common mechanism for diapause evolution.
Researchers have discovered how softer tumor environments prime cancer cells to better survive metastasis. The study found that soft environments alter the cancer cells' preference for 'fuel', equipping them with a more resilient energy pathway.
A study of over 2,500 adults found a correlation between PFAS levels and unfavorable lipid profiles, increasing cardiovascular disease risk. Researchers suggest stricter regulation of PFAS to protect health.
Researchers found that switching fruit flies to a low-calorie diet extends their lifespan, even in old age. This study suggests that obese humans may benefit from reducing calorie intake in old age, as it can dramatically change their metabolisms and extend their lives.
Researchers have found that lowering a form of brain cholesterol known as cholesteryl esters helps prevent brain damage and behavioral changes in mice with Alzheimer's-like tau deposits. The study suggests that reducing cholesteryl ester levels could be a promising candidate to test in neurodegenerative diseases.
A new study found three genes strongly linked to vegetarianism, including those involved in lipid metabolism and brain function. The study suggests that genetics play a role in determining whether someone can stick to a strict vegetarian diet.
A genome-wide association study reveals 34 genes potentially involved in choosing a vegetarian diet, including those related to lipid metabolism and brain function. The findings suggest that genetics play a role in the ability to subsist on a vegetarian diet.
Researchers from Tokyo Medical and Dental University discovered a new mechanism that stimulates brain-autonomous neural repair after ischemic stroke by secreting lipids. The mechanism involves PLA2G2E, which increases dihomo-γ-linolenic acid (DGLA) levels, promoting inflammation reduction and neuronal repair.
A molecular switch called Arf1 controls the storage or conversion of lipids into energy in cells. When energy is needed, Arf1 allows lipids to enter mitochondria, where they are converted into ATP.
Researchers found that restricting methionine intake via a low-methionine diet or oral administration of recombinant methioninase-producing E. coli reversed old-age-induced obesity in mice, leading to significant weight loss after just 14 days.
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 long-term antibiotic use during adolescence disrupts the healthy gut microbiome, leading to changes in liver metabolism that promotes central fat accumulation. The study suggests that antibiotic treatment may have lasting detrimental effects on liver metabolism and promote adiposity.