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To image or not to image: Use of imaging mass spectrometry in biomedical lipidomics.
Prog Lipid Res
January 2025
Lipids in Human Pathology, Institut d'Investigació Sanitària Illes Balears (IdISBa) - Health Research Institute of the Balearic Islands, Ctra. Valldemossa 79, Module G, Floor -1, E-07120 Palma, Balearic Islands, Spain; Research Unit, University Hospital Son Espases, Ctra Valldemossa 79, E-07120 Palma, Balearic Islands, Spain. Electronic address:
Lipid imaging mass spectrometry (LIMS) allows for establishing the bidimensional distribution of lipid species within a tissue section. One of the main advantages is the generation of spatial information on lipid species distribution at a spatial (lateral) resolution bordering on single-cell resolution with no need to isolate cells. Thus, LIMS images demonstrate, with a level of detail never described before, that lipid profiles are highly sensitive to cell type and pathophysiological state.
View Article and Find Full Text PDFCitrus aurantium 'Changshan-huyou' physiological premature fruit drop: A promising prebiotic to tackle obesity.
Phytomedicine
December 2024
Hunan Agriculture Product Processing Institute; Dongting Laboratory; Hunan Academy of Agricultural Sciences, Changsha, Hunan Province 410125, China. Electronic address:
Background: Presently, the mitigation and governance of obesity have surfaced as significant public health dilemmas on a global scale. A wealth of studies indicated that the host gut microbiota is instrumental in regulating the interplay between high-fat diet (HFD) intake and the pathogenesis of obesity. Physiological premature fruit drop, a major byproduct of citrus, is rich in a variety of bioactive constituents, yet its potential has remained underutilized for an extended period.
View Article and Find Full Text PDFSteroids and steroid-like compounds alter the ion permeability of phospholipid bilayers distinct interactions with lipids and interfacial water.
Phys Chem Chem Phys
January 2025
School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia QLD 4072, Australia.
Steroids are organic compounds found in all forms of biological life. Besides their structural roles in cell membranes, steroids act as signalling molecules in various physiological processes and are used to treat inflammatory conditions. It has been hypothesised that in addition to their well-characterised genomic and non-genomic pathways, steroids exert their biological or pharmacological activities an indirect, nonreceptor-mediated membrane mechanism caused by steroid-induced changes to the physicochemical properties of cell membranes.
View Article and Find Full Text PDFN4-acetylcytidine (ac4C) modification is a crucial RNA modification widely present in eukaryotic RNA. Previous studies have demonstrated that ac4C plays a pivotal role in viral infections. Despite numerous studies highlighting the strong correlation between ac4C modification and cancer progression, its detailed roles and molecular mechanisms in normal physiological processes and cancer progression remain incompletely understood.
View Article and Find Full Text PDFBiallelic pathogenic variants in the nebulin ( ) gene lead to the congenital muscle disease nemaline myopathy. In-frame deletion of exon 55 (ΔExon55) is the most common disease-causing variant in . Previously, a mouse model of was developed; however, it presented an uncharacteristically severe phenotype with a near complete reduction in transcript expression that is not observed in exon 55 patients.
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