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Ye-Ryung Kim et al.
Experimental & molecular medicine, 51(11), 129-129 (2019-11-05)
The endoplasmic reticulum (ER) is not only important for protein synthesis and folding but is also crucial for lipid synthesis and metabolism. In the current study, we demonstrate an important role of ceramide synthases (CerS) in ER stress and NAFLD
Mariachiara Bianco et al.
Food chemistry, 324, 126878-126878 (2020-04-29)
Ceramides (Cer) and cerebrosides are important sphingolipids (SL) involved in many biological processes. Herein, the SL content of yellow lupin seeds (Lupinus luteus) was determined by liquid-liquid extraction, mild alkaline hydrolysis (1 h at 37 °C) and reversed-phase liquid chromatography with negative
Anik Forest et al.
Journal of proteome research, 17(11), 3657-3670 (2018-09-27)
The goal of this work was to develop a label-free, comprehensive, and reproducible high-resolution liquid chromatography-mass spectrometry (LC-MS)-based untargeted lipidomic workflow using a single instrument, which could be applied to biomarker discovery in both basic and clinical studies. For this
Eri Sakai et al.
The journal of applied laboratory medicine, 5(4), 656-670 (2020-05-15)
Sphingolipids have been demonstrated to be involved in many human diseases. However, measurement of sphingolipids, especially of sphingosine 1-phosphate (S1P) and dihydro-sphingosine 1-phosphate (dhS1P), in blood samples requires strict sampling, since blood cells easily secrete these substances during sampling and
Takuya Takeichi et al.
The Journal of clinical investigation, 130(2), 890-903 (2019-11-02)
The corneocyte lipid envelope, composed of covalently bound ceramides and fatty acids, is important to the integrity of the permeability barrier in the stratum corneum, and its absence is a prime structural defect in various skin diseases associated with defective
Ladislav Kuchar et al.
American journal of medical genetics. Part A, 149A(4), 613-621 (2009-03-10)
Prosaposin deficiency (pSap-d) and saposin B deficiency (SapB-d) are both lipid storage disorders caused by mutations in the PSAP gene that codes for the 65-70 kDa prosaposin protein, which is the precursor for four sphingolipid activator proteins, saposins A-D. We
Biyu Hou et al.
Life sciences, 245, 117352-117352 (2020-02-02)
The depot-specific differences in lipidome of visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) reflect heterogeneity of white adipose tissue (WAT), which plays a central role in its distinct response to outside stimuli. However, the detailed lipidome of depot-specific
André F Nascimento et al.
Life sciences, 88(23-24), 1031-1038 (2011-04-05)
Leptin resistance has been associated with cardiac lipotoxicity; however, whether leptin resistance is a risk factor associated with cardiac lipotoxicity at different time points in diet-induced obesity is unclear. The objective of this study was to evaluate this relationship. Male
Felicitas S Boretti et al.
Metabolomics : Official journal of the Metabolomic Society, 16(1), 1-1 (2019-12-05)
Food and dietary ingredients have significant effects on metabolism and health. To evaluate whether and how different diets affected the serum lipidomic profile of dogs. Sixteen healthy beagles were fed a commercial dry diet for 3 months (control diet). After an
Ursula Loizides-Mangold et al.
Journal of lipid research, 53(8), 1522-1534 (2012-05-26)
Glycosylphosphatidylinositol (GPI) anchor biosynthesis takes place in the endoplasmic reticulum (ER). After protein attachment, the GPI anchor is transported to the Golgi where it undergoes fatty acid remodeling. The ER exit of GPI-anchored proteins is controlled by glycan remodeling and
Nadine Beckmann et al.
International journal of molecular sciences, 20(24) (2019-12-15)
Farber disease is a rare lysosomal storage disorder resulting from acid ceramidase deficiency and subsequent ceramide accumulation. No treatments for Farber disease are clinically available, and affected patients have a severely shortened lifespan. We have recently reported a novel acid
Discovery and characterization of selective human sphingomyelin synthase 2 inhibitors
Adachi R, et al.
European Journal of Medicinal Chemistry, 136, 283-293 (2017)
Aline Xavier da Silveira Dos Santos et al.
Molecular biology of the cell, 25(20), 3234-3246 (2014-08-22)
The regulatory pathways required to maintain eukaryotic lipid homeostasis are largely unknown. We developed a systematic approach to uncover new players in the regulation of lipid homeostasis. Through an unbiased mass spectrometry-based lipidomic screening, we quantified hundreds of lipid species
Jadegoud Yaligar et al.
PloS one, 9(3), e91436-e91436 (2014-03-19)
Dietary saturated fatty acids contribute to the development of fatty liver and have pathogenic link to systemic inflammation. We investigated the effects of dietary fat towards the pathogenesis of non-alcoholic fatty liver disease by longitudinal in vivo magnetic resonance spectroscopy
Ryutaro Adachi et al.
European journal of medicinal chemistry, 136, 283-293 (2017-05-16)
Sphingomyelin synthase (SMS) is a membrane enzyme that catalyzes the synthesis of sphingomyelin, is required for the maintenance of plasma membrane microdomain fluidity, and has two isoforms: SMS1 and SMS2. Although these isoforms exhibit the same SMS activity, they are
Melania Gaggini et al.
International journal of molecular sciences, 20(24) (2020-01-01)
Metabolomics/lipidomics are important tools to identify novel biomarkers associated with liver damage. Patients with chronic liver disease (CLD) and hepatitis C virus (HCV) infection often have alterations in glucose, lipid and protein metabolism. The aim of this study was to
David B Iaea et al.
Biochimica et biophysica acta. Molecular and cell biology of lipids, 1865(4), 158609-158609 (2020-01-10)
STARD4, a member of the evolutionarily conserved START gene family, is a soluble sterol transport protein implicated in cholesterol sensing and maintenance of cellular homeostasis. STARD4 is widely expressed and has been shown to transfer sterol between liposomes as well
Intercellular and intracellular functions of ceramides and their metabolites in skin
Cha HJ, et al.
International Journal of Molecular Medicine, 38(1), 16-22 (2016)
Alexander Triebl et al.
Journal of lipid research, 61(1), 105-115 (2019-11-17)
Quantitative MS of human plasma lipids is a promising technology for translation into clinical applications. Current MS-based lipidomic methods rely on either direct infusion (DI) or chromatographic lipid separation methods (including reversed phase and hydrophilic interaction LC). However, the use
Davide Noto et al.
Biochimica et biophysica acta. Molecular and cell biology of lipids, 1865(6), 158656-158656 (2020-02-12)
Untargeted lipidomics is a powerful tool to discover new biomarkers and to understand the physiology and pathology of lipids. The use of stable isotopes as tracers to investigate the kinetics of lipids is another tool able to supply dynamic information
Alec I McKenzie et al.
American journal of physiology. Regulatory, integrative and comparative physiology, 318(3), R503-R511 (2020-01-30)
Toll-like receptor 4 (TLR4) is a proposed mediator of ceramide accumulation, muscle atrophy, and insulin resistance in skeletal muscle. It is currently unknown whether pharmacological inhibition of TLR4, using the TLR4-specific inhibitor TAK-242 during muscle disuse, is able to prevent
Hyun-Seok Lee et al.
International journal of molecular sciences, 21(3) (2020-02-08)
Human epidermis is positioned at the interface with the external environment, protecting our bodies against external challenges, including air pollutants. Emerging evidence suggests that diesel particulate extract (DPE), a major component of air pollution, leads to impairment of diverse cellular
Yuya Murase et al.
Journal of dermatological science, 97(1), 50-56 (2019-12-15)
NIPAL4, encoding the NIPA-like domain containing 4 protein (NIPAL4), is one of the causative genes of autosomal recessive congenital ichthyosis (ARCI). The physiological role of NIPAL4 and the pathogenetic mechanisms of ARCI caused by NIPAL4 mutations remain unclear. To clarify
Tomas Laursen et al.
Science (New York, N.Y.), 354(6314), 890-893 (2016-11-20)
Metabolic highways may be orchestrated by the assembly of sequential enzymes into protein complexes, or metabolons, to facilitate efficient channeling of intermediates and to prevent undesired metabolic cross-talk while maintaining metabolic flexibility. Here we report the isolation of the dynamic
Bingpeng Yan et al.
International journal of molecular sciences, 20(23) (2019-11-30)
Enterovirus A71 (EV-A71) and coxsackievirus A16 (CV-A16) are the most common causes of hand, foot, and mouth disease. Severe EV-A71 and CV-A16 infections may be associated with life-threatening complications. However, the pathogenic mechanisms underlying these severe clinical and pathological features
Long-term high-fat diet-induced obesity decreases the cardiac leptin receptor without apparent lipotoxicity
Nascimento AF, et al.
Life Sciences, 88(23-24), 1031-1038 (2011)
Prosaposin deficiency and saposin B deficiency (activator-deficient metachromatic leukodystrophy): report on two patients detected by analysis of urinary sphingolipids and carrying novel PSAP gene mutations
Kuchar L, et al.
American Journal of Medical Genetics. Part A, 149(4), 613-621 (2009)
Ya Xie et al.
Food chemistry, 319, 126547-126547 (2020-03-18)
In this research, a novel ultrasound-assisted extraction (USAE) method using a one-phase solvent (isopropanol, IPA) combined with liquid chromatography-electrospray ionization quadrupole time-of-flight mass spectrometry (LC-ESI-QToF-MS) was developed for exhaustive profiling of egg yolk lipids, which are considered to be essential
He Li et al.
Food chemistry, 310, 125947-125947 (2019-12-17)
An ultra performance liquid chromatography-Triple time of flight mass spectrometry (UPLC-Triple TOF-MS/MS) method were established to characterize the lipid profiles in four shellfish species. More than 600 lipid molecular species belonging to 14 classes were detected. Phospholipids (PLs) were predominant
Luca Narduzzi et al.
Drug testing and analysis, 12(7), 887-899 (2020-04-05)
Growth hormone (GH), an endogenous peptide regulating anabolism and lipolysis in humans, is known to be abused by athletes to improve their performance. Despite the development of two distinct screening methods, few positive cases have been reported by the antidoping
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