A Mechanistic Paradigm for Broad-Spectrum Antivirals that Target Virus-Cell Fusion.
PLoS Pathog (2013)
LJ001 is a lipophilic thiazolidine derivative that inhibits the entry of numerous enveloped viruses at non-cytotoxic concentrations (IC50≤0.5 µM),...[more]
Lipid anti-lipid antibody responses correlate with disease activity in systemic lupus erythematosus.
PLoS One (2013)
Systemic lupus erythematosus (SLE) is a chronic autoimmune disorder characterized by broad clinical manifestations including cardiovascular and renal...[more]
Lipidomic analysis of human placental Syncytiotrophoblast microvesicles in adverse pregnancy outcomes.
Placenta (2013)
PROBLEM: Syncytiotrophoblast microvesicles (STBM) are shed from placenta into the maternal circulation. STBM circulate in increased amounts in...[more]
Effects of a high-fat, high-cholesterol diet on brain lipid profiles in apolipoprotein E ε3 and ε4 knock-in mice.
Neurobiol Aging (2013)
Apolipoprotein E (ApoE) is important in facilitating the transport of lipids (cholesterol, phospholipids, and sulfatides) and plays a fundamental...[more]
Biochemical Membrane Lipidomics during Drosophila Development.
Dev Cell. (2013)
Lipids play critical roles in energy homeostasis, membrane structure, and signaling. Using liquid chromatography and mass spectrometry, we provide...[more]
Deep whole-genome sequencing of 100 southeast asian malays.
Am J Hum Genet. (2013)
Whole-genome sequencing across multiple samples in a population provides an unprecedented opportunity for comprehensively characterizing the ...[more]
Specific Inhibition of p25/Cdk5 Activity by the Cdk5 Inhibitory Peptide Reduces Neurodegeneration In Vivo.
J Neurosci (2013)
The aberrant hyperactivation of Cyclin-dependent kinase 5 (Cdk5), by the production of its truncated activator p25, results in the formation of ...[more]
The Transcription Factor STAT-1 Couples Macrophage Synthesis of 25-Hydroxycholesterol to the Interferon Antiviral Response.
Immunity (2012)
Recent studies suggest that the sterol metabolic network participates in the interferon (IFN) antiviral response. However, the molecular mechanisms...[more]
PtdIns4P synthesis by PI4KIIIα at the plasma membrane and its impact on plasma membrane identity.
J Cell Biol. (2012)
Plasma membrane phosphatidylinositol (PI) 4-phosphate (PtdIns4P) has critical functions via both direct interactions and metabolic conversion to PI...[more]
The membrane stress response buffers lethal effects of lipid disequilibrium by reprogramming the protein homeostasis network
Mol Cell (2012)
Lipid composition can differ widely among organelles and even between leaflets of a membrane. Lipid homeostasis is critical because disequilibrium...[more]
The stem region of premembrane protein plays an important role in the virus surface protein rearrangement during dengue maturation
J Biol Chem (2012)
Newly assembled dengue viruses (DENV) undergo maturation to become infectious particles. The maturation process involves major rearrangement of virus...[more]
PGC-1α Improves Glucose Homeostasis in Skeletal Muscle in an Activity-Dependent Manner.
Diabetes (2012)
Metabolic disorders are a major burden for public health systems globally. Regular exercise improves metabolic health. Pharmacological targeting of...[more]
Ablation of dihydroceramide desaturase confers resistance to Etoposide-induced apoptosis in vitro
PLoS One (2012)
Sphingolipid biosynthesis is potently upregulated by factors associated with cellular stress, including numerous chemotherapeutics, inflammatory ...[more]
Abc3-Mediated Efflux of an Endogenous Digoxin-like Steroidal Glycoside by Magnaporthe oryzae Is Necessary for Host Invasion during Blast Disease
PLoS Pathog (2012)
Magnaporthe oryzae, which causes the devastating rice-blast disease, invades its host plants via a specialized infection structure called the ...[more]
SNX3-dependent regulation of epidermal growth factor receptor (EGFR) trafficking and degradation by aspirin in epidermoid carcinoma (A-431) cells.
Cell Mol Life Sci. 2012 May;69(9):1505-21. (2012)
Since being introduced globally as aspirin in 1899, acetylsalicylic acid has been widely used as an analgesic, anti-inflammation, anti-pyretic, and...[more]
Chondroitin fragments are odorants that trigger fear behavior in fish.
Curr Biol. 2012 Mar 20;22(6):538-44. (2012)
The ability to detect and avoid predators is essential to survival. Various animals, from sea urchins to damselfly larvae, use injury of ...[more]
Induction of autophagy by palmitic acid via protein kinase C-mediated signaling pathway independent of mTOR (mammalian target of rapamycin).
J Biol Chem. 2012 Apr 27;287(18):14364-76. (2012)
Lipotoxicity refers to the cytotoxic effects of excess fat accumulation in cells and has been implicated as one of the contributing factors to ...[more]
Fenretinide Prevents Lipid-induced Insulin Resistance by Blocking Ceramide Biosynthesis.
J Biol Chem. 2012 May 18;287(21):17426-37 (2012)
Fenretinide is a synthetic retinoid that is being tested in clinical trials for the treatment of breast cancer and insulin resistance, but its...[more]
A model of flux regulation in the cholesterol biosynthesis pathway: Immune mediated graduated flux reduction versus statin-like led stepped flux reduction.
Biochimie. 2012 Jun 1. (2012)
The cholesterol biosynthesis pathway has recently been shown to play an important role in the innate immune response to viral infection with host...[more]
Cidea is an essential transcriptional coactivator regulating mammary gland secretion of milk lipids.
Nat Med (2012)
Adequate lipid secretion by mammary glands during lactation is essential for the survival of mammalian offspring. However, the mechanism governing...[more]
Cdk5/p25-Induced Cytosolic PLA2-Mediated Lysophosphatidylcholine Production Regulates Neuroinflammation and Triggers Neurodegeneration.
J Neurosci. (2012)
The deregulation of cyclin-dependent kinase 5 (Cdk5) by p25 has been shown to contribute to the pathogenesis in a number of neurodegenerative ...[more]
Targeted and non-targeted analysis of membrane lipids using mass spectrometry.
Methods Cell Biol. (2012)
Mass spectrometry has gained popularity amongst cell biologists in recent years as a complementary tool to probe the metabolism and biological...[more]
Inhibitory effect of dietary lipids on chaperone-mediated autophagy.
Proc Natl Acad Sci U S A (2012)
Cytosolic proteins can be selectively delivered to lysosomes for degradation through a type of autophagy known as chaperone-mediated autophagy...[more]
Comparative lipidomic analysis of mouse and human brain with Alzheimer's disease
J Biol Chem (2011)
Lipids are key regulators of brain function and have been increasingly implicated in neurodegenerative disorders including Alzheimer's disease ...[more]
The size and phospholipid composition of lipid droplets can influence their proteome
Biochem Biophys Res Commun (2011)
The proteomic makeup of lipid droplets (LDs) is believed to regulate the function of LDs, which are now recognized as important cellular organelles...[more]
Meibum lipid composition in asians with dry eye disease
PLoS One (2011)
Background Previous lipidomic analyses of the human meibum had largely focused on individuals from non-Asian populations, despite the higher...[more]
A systems biology approach reveals the role of a novel methyltransferase in response to chemical stress and lipid homeostasis
PLoS Genet
(2011)
Using small molecule probes to understand gene function is an attractive approach that allows functional characterization of genes that are ...[more]
Molecular characterization of seipin and its mutants: implications for seipin in triacylglycerol synthesis
J Lipid Res (2011)
The human lipodystrophy gene product Berardinelli-Seip congenital lipodystrophy 2/seipin has been implicated in adipocyte differentiation, lipid...[more]
Role of prefrontal cortical calcium independent phospholipase A2 in antidepressant-like effect of maprotiline
Int J Neuropsychopharmacol (2011)
There is increasing interest in the pathophysiology and neurochemistry of the prefrontal cortex (PFC) in depression. Blood flow and metabolism are...[more]
A role for phosphatidic Acid in the formation of "supersized" lipid droplets.
PLoS Genet
(2011)
Lipid droplets (LDs) are important cellular organelles that govern the storage and turnover of lipids. Little is known about how the size of LDs is...[more]
Lanosterol induces mitochondrial uncoupling and protects dopaminergic neurons from cell death in a model for Parkinson's disease
Cell Death Differ (2011)
Parkinson's disease (PD) is a neurodegenerative disorder marked by the selective degeneration of dopaminergic neurons in the nigrostriatal pathway....[more]
Systems wide analyses of lipids in the brainstem during inflammatory orofacial pain - Evidence of increased phospholipase A(2) activity.
Eur J Pain
(2011)
Recent studies suggest that CNS phospholipase A(2) (PLA(2)) isoforms play a role in nociception, but until now, direct evidence of increased brain...[more]
A stable yeast strain efficiently producing cholesterol instead of ergosterol is functional for tryptophan uptake, but not weak organic acid resistance
Metabolic Engineering (2011)
Sterols are major lipids in eukaryotes and differ in their specific structure between species. Both cholesterol and ergosterol can form liquid...[more]
Derivatization-independent cholesterol analysis in crude lipid extracts by liquid chromatography/mass spectrometry: Applications to a rabbit model for atherosclerosis
Journal of Chromatography A (2011)
Direct measurement of various sterols in crude lipid extracts in a single experiment from limited biological samples is challenging. Current mass...[more]
Mitochondrial Changes in Ageing Caenorhabditis elegans - What Do We Learn from Superoxide Dismutase Knockouts
PLoS One (2011)
One of the most popular damage accumulation theories of ageing is the mitochondrial free radical theory of ageing (mFRTA). The mFRTA proposes that...[more]
Comparative plasma lipidome between human and cynomolgus monkey: are plasma polar lipids good biomarkers for diabetic monkeys
PLoS One
(2011)
Background Non-human primates (NHP) are now being considered as models for investigating human metabolic diseases including diabetes. Analyses of...[more]
Tissue-autonomous function of Drosophila Seipin in preventing ectopic lipid droplet Formation
PLoS Genetics (2011)
Obesity is characterized by accumulation of excess body fat, while lipodystrophy is characterized by loss or absence of body fat. Despite their...[more]
Lipid-induced insulin resistance mediated by the proinflammatory receptor TLR4 requires saturated fatty acid-induced ceramide biosynthesis in mice
Journal of Clinical Investigation
(2011)
Obesity is associated with an enhanced inflammatory response that exacerbates insulin resistance and contributes to diabetes, atherosclerosis, and...[more]
Host defense against viral infection involves interferon mediated down-regulation of sterol biosynthesis
Plos Biology (2011)
Little is known about the protective role of inflammatory processes in modulating lipid metabolism in infection. Here we report an intimate link...[more]
Lipid pathway alterations in Parkinson’s disease primary visual cortex
PLoS One (2011)
BACKGROUND: We present a lipidomics analysis of human Parkinson's disease tissues. We have focused on the primary visual cortex, a region that is...[more]
The phospholipase D1 pathway modulates macroautophagy
Nature Commun
(2011)
Although macroautophagy is known to be an essential degradative process whereby autophagosomes mediate the engulfment and delivery of cytoplasmic...[more]
N-octanoyl homoserine lactone signaling mediated by the Bpsl-BpsR quorum sensing system plays a major role in biofilm formation of Burkholderia pseudomallei
Microbiology
(2011)
The genome of Burkholderia pseudomallei encodes three acylhomoserine lactone (AHL) quorum sensing systems, each comprising an AHL synthase and a...[more]
A stable yeast strain efficiently producing cholesterol instead of ergosterol is functional for tryptophan uptake, but not weak organic acid resistance.
Metabolic Engineering (2011)
Sterols are major lipids in eukaryotes and differ in their specific structure between species. Both cholesterol and ergosterol can form liquid...[more]
Brain lipid changes after repetitive transcranial magnetic stimulation: potential links to therapeutic effects?
Metabolomics (2011)
Repetitive transcranial magnetic stimulation (rTMS) is increasingly used in the management of neurologic disorders such as depression and chronic...[more]
Mitochondrial changes in ageing Caenorhabditis elegans what do we learn from superoxide dismutase knockouts?
PLoS (2011)
One of the most popular damage accumulation theories of ageing is the mitochondrial free radical theory of ageing (mFRTA). The mFRTA proposes that...[more]
Lipid pathway alternations in Parkinson’s disease primary visual cortex
Journal Brain (2011)
Abstract BACKGROUND: We present a lipidomics analysis of human Parkinson's disease tissues. We have focused on the primary visual cortex, a region...[more]
Lipidomics: New Tools and Applications
Cell (2010)
Once viewed simply as a reservoir for carbon storage, lipids are no longer cast as bystanders in the drama of biological systems. The emerging field...[more]
Phospholipase d2 ablation ameliorates Alzheimer's disease-linked synaptic dysfunction and cognitive deficits
(2010)The Journal of Neuroscience
Growing evidence implicates aberrant lipid signaling in Alzheimer's disease (AD). While phospholipases A2 and C have been...[more]
Activity-Based Proteome Profiling of Potential Cellular Targets of Orlistat − An FDA-Approved Drug with Anti-Tumor Activities
(2010)Journal of the American Chemical Society
Orlistat, or tetrahydrolipstatin (THL), is an FDA-approved antiobesity drug with potential antitumor activities. Cellular off-targets and potential...[more]
The phospholipase D1 pathway modulates macroautophagy
Nature Communications (2010)
Although macroautophagy is known to be an essential degradative process whereby autophagosomes mediate the engulfment and delivery of cytoplasmic...[more]
Phosphatidic acid is a pH biosensor that links membrane biogenesis to metabolism
Science (2010)
Recognition of lipids by proteins is important for their targeting and activation in many signaling pathways, but the mechanisms that regulate such...[more]
Click-based Synthesis and Proteomic Profiling of Lipstatin Analogues
Chemical Communication (2010)
Using click chemistry to enable both structural diversity and proteome profiling within a natural product derived library, two out of...[more]
Lipid droplet-associated proteins are involved in the biosynthesis and hydrolysis of triacylglycerol in Mycobacterium bovis BCG
JBC (2010)
Mycobacteria store triacylglycerols (TGs) in the form of intracellular lipid droplets (LDs) during hypoxia-induced nonreplicating persistence. These...[more]
Profiling brain and plasma lipids in human APOE epsilon2, epsilon3, and epsilon4 knock-in mice using electrospray ionization mass spectrometry
(2010)
It is known that apolipoprotein E (ApoE) is essential for normal lipid metabolism. ApoE is the major apolipoprotein in the central nervous system and...[more]
Mitochondrial cardiolipin involved in outer membrane protein biogenesis: implications for Barth syndrome
Current Biology (2010)
The biogenesis of mitochondria requires the import of a large number of proteins from the cytosol [1,2]. Although numerous studies have...[more]
Activity-Based Proteome Profiling of Orlistat - An FDA-Approved Drug with Anti-Tumor Activities
Journal of the American Chemical Society (2010)
A small molecule fusion inhibitor of dengue virus
Antiviral Res (2010)
The dengue virus envelope protein plays an essential role in viral entry by mediating fusion between the viral and host membranes. The crystal...[more]
Arabidoposis lipids mediate eukaryotic pathway of lipid metabolism and cope critically with phosphate starvation
Proc Natl Acad Sci U S A, accepted (2009)
Phosphate is an essential nutrient for plant viability. It is well-established that phosphate starvation triggers membrane lipid remodeling, a...[more]
Structural and biological diversity of lipopolysaccharides from Burkholderia pseudomallei and Burkholderia thailandensis
J Clin Vaccine Immunol, 16(10), 1420-1428. (2009)
Burkholderia pseudomallei, the etiological agent of melioidosis, is a facultative intracellular pathogen. As a Gram-negative bacterium, the outer...[more]
Total synthesis of a fully lipidated form of phosphatidyl-myo-inositol dimannoside (PIM-2) of Mycobacterium tuberculosis
Tetrahedron Lett, accepted (2009)
Using an orthogonal protecting group approach to resolve racemic myo-inositol directly as its D-mannoside, we report a [2+n]-glycan/phosphatidylation...[more]
XBP-1-deficient plasmablasts show normal protein folding but altered glycosylation and lipid synthesis
J Immunol 183(6), 3690-3699. (2009)
The accumulation of misfolded secreted IgM in the endoplasmic reticulum (ER) of XBP-1-deficient B cells has been held responsible for the inability...[more]
A combined proteomic and genetic analysis identifies a role for the lipid desaturase Desat1 in starvation-induced autophagy in Drosophila
Autophagy 5(7), 980-990. (2009)
Autophagy is a lysosomal-mediated degradation process that promotes cell survival during nutrient-limiting conditions. However, excessive autophagy...[more]
Triacylglycerol utilization is required for the re-growth of in vitro hypoxic non-replicating mycobacterium Bovis Bacillus Calmette-Guerin
J Bacteriol 191(16), 5037-5043. (2009)
Mycobacteria store triacylglycerols (TGs) under various stress conditions such as hypoxia, exposure to nitric oxide and acidic environments. These...[more]
OWL-DL Ontology for Classification of Lipids
ICBO, accepted. (2009)
Lipids can be systematically classified according to functional properties, structural features, biochemical origin or biological system. However...[more]
Lipid-based biomarkers for cancer
Journal of Chromatography B 877(26), 2830-2835. (2009)
Lipids play important and diverse roles in cells. Most obvious functions are storage of chemical energy, provision of structural support of...[more]
Docosapentaenoic acid (DPA) is a critical determinant of cubic membrane formation in amoeba Chaos mitochondria
FASEB J 23(9), 2866-2871. (2009)
Very long-chain polyunsaturated fatty acids (VLC-PUFAs), such as docosahexaenoic acid (DHA) and docosapentaenoic acid (DPA), have recently made it to...[more]
Evidence that selective changes in the lipid composition of raft-membranes occur during respiratory syncytial virus infection.
Virology 386(1), 168-82. (2009)
We examined the structure of lipid-raft membranes in respiratory syncytial virus infected cells. Cholesterol depletion studies using...[more]
Lipidomic analyses of the mouse brain after antidepressant treatment: evidence for endogenous release of long-chain fatty acids?
Int J. Neuropyschopharmacol 12, 953-964. (2009)
Recently, there has been considerable interest in a possible link between changes in brain polyunsaturated fatty acids, neural membrane phospholipid...[more]
Identification and characterization of the lipid binding property of GrlR, a locus of enterocyte effacement regulator.
Biochemical Journal 420(2),191-199. (2009)
Lipocalins are a broad family of proteins identified initially in eukaryotes and more recently in gram-negative bacteria. The functions of lipocalin...[more]
Functional Interactions between Sphingolipids and Sterols in Biological Membranes Regulating Cell Physiology
Molecular Biology of the Cell 20(7), 2083-2095. (2009)
Sterols and sphingolipids are limited to eukaryotic cells and their interaction has been proposed to favor formation of lipid microdomains. While...[more]
The translocator maintenance protein Tam41 is required for mitochondrial cardiolipin biosynthesis.
Journal of Cell Biology 183(7), 1213-1221. (2008)
The mitochondrial inner membrane contains different translocator systems for the import of presequence-carrying proteins and carrier proteins. The...[more]
Trans-Golgi network and endosome dynamics connect ceramide homeostasis with regulation of the unfolded protein response and TOR signaling in yeast.
Molecular Biology if the Cell 19(11), 4785-4803 (2008)
Synthetic genetic array analyses identify powerful genetic interactions between a thermosensitive allele (sec14-1(ts)) of the structural gene for the...[more]
Retroviruses human immunodeficiency virus and murine leukemia virus are enriched in phosphoinositides.
Journal of Virology 82(22), 11228-11238 (2008)
Retroviruses acquire a lipid envelope during budding from the membrane of their hosts. Therefore, the composition of this envelope can provide...[more]
Caspase-dependent and -independent lipotoxic cell-death pathways in fission yeast.
Journal of Cell Science 121(16), 2671-2684 (2008)
Understanding the mechanisms underlying lipid-induced cell death has significant implications in both cell biology and human diseases. Previously, we...[more]
Synaptojanin 1-linked phosphoinositide dyshomeostasis and cognitive deficits in mouse models of Down's syndrome.
Proceedings of the National Academy of Science of the U.S.A. 105(27), 9415-9420 (2008)
Phosphatidylinositol-4,5-bisphosphate [PtdIns(4,5)P(2)] is a signaling phospholipid implicated in a wide variety of cellular functions. At synapses,...[more]
A fluorescent sphingolipid binding domain peptide probe interacts with sphingolipids and cholesterol-dependent raft domains.
Journal of Lipid Research 49(5), 1077-1089 (2008)
We have designed a tagged probe [sphingolipid binding domain (SBD)] to facilitate the tracking of intracellular movements of sphingolipids in living...[more]
Biochemistry of inositol lipids.
Frontiers in Bioscience 13, 3239-3251 (2008)
Nature has created an immense combinatorial and structural heterogeneity among lipids. It is becoming increasingly accepted that the vast range of...[more]
Towards ontology-driven navigation of the lipid bibliosphere
BMC Bioinformatics 9(Suppl 1), S5 (2008)
Background The indexing of scientific literature and content is a relevant and contemporary requirement within life science information systems....[more]
Fld1p, a functional homologue of human seipin, regulates the size of lipid droplets in yeast.
Journal of Cell Biology 180(3),473-482 (2008)
Lipid droplets (LDs) are emerging cellular organelles that are of crucial importance in cell biology and human diseases. In this study, we present...[more]
Translocation and effects of gold nanoparticles after inhalation exposure in rats.
Nanotoxicology 1(3), 235-242 (2007)
This study was carried out to test the hypothesis that nanogold particles can accumulate in the olfactory bulb, and translocate from the lung to...[more]
Sensitive profiling of chemically diverse bioactive lipids.
Journal of Lipid Research 48(9), 1976-1984 (2007)
Here, we present an improved method for sensitive profiling of lipids in a single high-performance liquid chromatography-electrospray...[more]
Membrane lipids as signaling molecules.
Current Opinion in Lipidology 18(2), 121-128 (2007)
PURPOSE OF REVIEW: Membrane lipids play important roles in signaling reactions. They are involved in most if not all cellular signaling cascades and...[more]
The identification of antioxidants in dark soy sauce.
Free Radical Research 41(4), 479-488. (2007)
Soy sauce is a traditional fermented seasoning in Asian countries, that has high antioxidant activity in vitro and some antioxidant activity in vivo....[more]
Expression, activity, and role of serine palmitoyltransferase in the rat hippocampus after kainate injury.
Journal of Neuroscience Research 85(2), 423-432. (2007)
An increase in ceramide species has been shown recently by lipidomic analysis of the rat hippocampus after kainate-induced excitotoxic injury (Guan...[more]
Lipidomics in drug and biomarker development
Expert Opinion on Drug Discovery 1(7), 723-736 (2006)
Lipidomics is an emerging field in biomedical research. It aims at systems scale detection, characterisation and quantification of lipids. Lipidomics...[more]
Lipidomics of host-pathogen interactions
FEBS Letters 580(23), 5541-5551 (2006)
The cell biology of intracellular pathogens (viruses, bacteria, eukaryotic parasites) has provided us with molecular information of host-pathogen...[more]
Chronic exposure to U18666A is associated with oxidative stress in cultured murine cortical neurons
Journal of Neurochemistry 98(4), 1278-1289 (2006)
Findings that antioxidant treatment may be beneficial in Alzheimer's disease indicate that oxidative stress is an important factor in its...[more]
Non-targeted profiling of lipids during kainate-induced neuronal injury.
FASEB Journal 20(8), 1152-1161. (2006)
Kainate is a glutamate analog that has been widely used in pharmacological studies of neuronal injury related to ischemic conditions and epilepsy....[more]
Emodin inhibits tumor cell adhesion through disruption of the membrane lipid Raft-associated integrin signaling pathway.
Cancer Research 66(11),5807-5815. (2006)
Cell adhesion and spreading is a crucial step in the metastatic cascade of cancer cells, and interruption of this step is considered to be a logical...[more]
Mass spectrometry-based profiling of phospholipids and sphingolipids in extracts from Saccharomyces cerevisiae.
Yeast 23(6), 465-477. (2006)
Lipids are rapidly moving to centre stage in many fields of biological sciences. Lipidomics, the systems-level scale analysis of lipids and their...[more]
Peculiarities of host cholesterol transport to the unique intracellular vacuole containing Toxoplasma.
Traffic 6(12), 1125-1141. (2005)
The intracellular protozoan Toxoplasma gondii is auxotrophic for low-density lipoprotein (LDL)-derived cholesterol (C). We previously showed that T....[more]
An enzymatic cascade of Rab5 effectors regulates phosphoinositide turnover in the endocytic pathway.
Journal of Cell Biology 170(4), 607-618. (2005)
Generation and turnover of phosphoinositides (PIs) must be coordinated in a spatial- and temporal-restricted manner. The small GTPase Rab5 interacts...[more]
The emerging field of lipidomics
Nature Reviews Drug Discovery 4(7), 594-610 (2005)
The crucial role of lipids in cell, tissue and organ physiology is demonstrated by a large number of genetic studies and by many human diseases that...[more]
Impaired PtdIns(4,5)P2 synthesis in nerve terminals produces defects in synaptic vesicle trafficking.
Nature 431(7007), 415-422. (2004)
Phosphatidylinositol-4,5-bisphosphate (PtdIns(4,5)P2) has an important function in cell regulation both as a precursor of second messenger molecules...[more]
InsP3-mediated intracellular calcium signalling is altered by expression of synaptojanin-1.
Biochemical Journal 382(2), 687-694. (2004)
Phosphatidylinositol 4,5-bisphosphate [PtdIns(4,5)P2] plays an important physiological role as a precursor for the InsP3-mediated intracellular...[more]
Salmonella modulates vesicular traffic by altering phosphoinositide metabolism.
Science 304(5678), 1805-1807. (2004)
Salmonella enterica, the cause of food poisoning and typhoid fever, induces actin cytoskeleton rearrangements and membrane ruffling to gain access...[more]
Protein-lipid interactions and phosphoinositide metabolism in membrane traffic: insights from vesicle recycling in nerve terminals.
Proceedings of the National Academy of Science of the U.S.A. 101(22), 8262-8269 (2004)
Great progress has been made in the elucidation of the function of proteins in membrane traffic. Less is known about the regulatory role of lipids in...[more]
Regulation of synaptojanin 1 by cyclin-dependent kinase 5 at synapses.
Proceedings of the National Academy of Science of the USA 101(2), 546-551 (2004)
Synaptojanin 1 is a polyphosphoinositide phosphatase concentrated in presynaptic nerve terminals, where it dephosphorylates a pool of...[more]
Assembly of endocytosis-associated proteins on liposomes.
Methods in Enzymology 372, 248-260. (2003)
Phosphoinositide profiling in complex lipid mixtures using electrospray ionization mass spectrometry.
Nature Biotechnology 21(7), 813-817 (2003)
Phosphoinositides (phosphorylated derivatives of phosphatidylinositol, PI) are versatile intracellular signaling lipids whose occurrence in low...[more]
ARF6 stimulates clathrin/AP-2 recruitment to synaptic membranes by activating phosphatidylinositol phosphate kinase type Igamma.
Journal of Cell Biology 162(1),113-124. (2003)
Clathrin-mediated endocytosis of synaptic vesicle membranes involves the recruitment of clathrin and AP-2 adaptor complexes to the presynaptic plasma...[more]
The synaptojanin-like protein Inp53/Sjl3 functions with clathrin in a yeast TGN-to-endosome pathway distinct from the GGA protein-dependent pathway.
Molecular Biology of the Cell 14(4), 1319-1333. (2003)
Yeast TGN resident proteins that frequently cycle between the TGN and endosomes are much more slowly transported to the prevacuolar/late endosomal...[more]
Phosphatidylinositol 4-kinase type IIalpha is responsible for the phosphatidylinositol 4-kinase activity associated with synaptic vesicles.
Proceedings of the National Academy of Science of the U.S.A. 100(7), 3995-4000 (2003)
Phosphorylation of inositol phospholipids plays a key role in cellular regulation via the generation of intracellular second messengers. In addition,...[more]
Recruitment and regulation of phosphatidylinositol phosphate kinase type 1 gamma by the FERM domain of talin.
Nature 420(6911), 85-89. (2002)
Membrane phosphoinositides control a variety of cellular processes through the recruitment and/or regulation of cytosolic proteins. One mechanism...[more]
Amphiphysin 2 (Bin1) and T-tubule biogenesis in muscle.
Science 297(5584), 1193-1196 (2002)
In striated muscle, the plasma membrane forms tubular invaginations (transverse tubules or T-tubules) that function in depolarization-contraction...[more]
Decreased synaptic vesicle recycling efficiency and cognitive deficits in amphiphysin 1 knockout mice.
Neuron 33(5), 789-804 (2002)
The function of the clathrin coat in synaptic vesicle endocytosis is assisted by a variety of accessory factors, among which amphiphysin (amphiphysin...[more]
Structural and biochemical characterization of the type III secretion chaperones CesT and SigE. Nat Struct Biol 8, 1031-1036.
Nature Structural Biology 8(12), 1031-1036 (2001)
Several Gram-negative bacterial pathogens have evolved a type III secretion system to deliver virulence effector proteins directly into eukaryotic...[more]
Identification and characterization of a synaptojanin 2 splice isoform predominantly expressed in nerve terminals.
Journal of Biological Chemistry 276(44), 41133-41142 (2001)
We have previously identified synaptojanin 1, a phosphoinositide phosphatase predominantly expressed in the nervous system, and synaptojanin 2, a...[more]
PIP kinase Igamma is the major PI(4,5)P(2) synthesizing enzyme at the synapse.
Neuron 32(1), 79-88 (2001)
Disruption of the presynaptically enriched polyphosphoinositide phosphatase synaptojanin 1 leads to an increase of clathrin-coated intermediates and...[more]
Expanding coincident signaling by PTEN through its inositol 1,3,4,5,6-pentakisphosphate 3-phosphatase activity.
FEBS Letters 499(1-2), 6-10 (2001)
PTEN, a tumor suppressor among the most commonly mutated proteins in human cancer, is recognized to be both a protein phosphatase and a...[more]
A synaptojanin-homologous region of Salmonella typhimurium SigD is essential for inositol phosphatase activity and Akt activation.
FEBS Letters 494(3), 201-207. (2001)
The Ser-Thr kinase Akt is activated in epithelial cells by Salmonella enterica serovar typhimurium. The bacterial effector SigD, which is...[more]
Dual interaction of synaptotagmin with µ2- and α-adaptin facilitates clathrin-coated pit nucleation.
EMBO Journal 19(22), 6011-6009 (2000)
The synaptic vesicle protein synaptotagmin was proposed to act as a major docking site for the recruitment of clathrin coats implicated in...[more]
Functional characterization of a mammalian Sac1 and mutants exhibiting substrate-specific defects in phosphoinositide phosphatase activity.
Journal of Biological Chemistry 275(44), 34293-34305 (2000)
The Saccharomyces cerevisiae SAC1 gene was identified via independent analyses of mutations that modulate yeast actin function and alleviate the...[more]
Fission and uncoating of synaptic clathrin-coated vesicles are perturbed by disruption of interactions with the SH3 domain of endophilin.
Neuron 27(2), 301-312 (2000)
Coordination between sequential steps in synaptic vesicle endocytosis, including clathrin coat formation, fission, and uncoating, appears to involve...[more]
Essential role of phosphoinositide metabolism in synaptic vesicle recycling.
Cell 99(2), 179-188 (1999)
Growing evidence suggests that phosphoinositides play an important role in membrane traffic. A polyphosphoinositide phosphatase, synaptojanin 1, was...[more]
Proton induced vesicle fusion and the isothermal lalpha-->HII phase transition of lipid bilayers: a 31P-NMR and titration calorimetry study.
Biochimica et Biophysica Acta 1372(2), 227-236. (1998)
The proton-induced isothermal fusion of unilamellar lipid vesicles (Duzgunes et al., Biochemistry 24 (1985) 3091-3098) is compared with the lamellar...[more]
Magainin 2 amide interaction with lipid membranes: calorimetric detection of peptide binding and pore formation.
Biochemistry 37(11), 3909-3916. (1998)
The interaction of the antibiotic magainin 2 amide (M2a) with lipid bilayers was investigated with high-sensitivity titration calorimetry. The...[more]
Interaction of octyl-β-thioglucopyranoside with lipid membranes.
Biophysical Journal (1997)
Octyl-β-thioglucopyranoside (octyl thioglucoside, OTG) is a nonionic surfactant used for the purification, reconstitution, and crystallization of...[more]
Vesicle-micelle transformation of phosphatidylcholine/octyl-beta-D-glucopyranoside mixtures as detected with titration calorimetry.
Journal of Physical Chemistry B 101(26), 5224-5231 (1997)
The vesicle−micelle transition of lipid bilayers induced by the addition of the nonionic detergent octyl-β-d-glucopyranoside (OG) was studied with...[more]
Octyl-β-D-glucopyranoside partitioning into lipid bilayers: thermodynamics of binding and structural changes of the bilayer.
Biophysical Journal 72(4), 1719-1731 (1997)
The interaction of the nonionic detergent octyl-β-D-glucopyranoside (OG) with lipid bilayers was studied with high-sensitivity isothermal titration...[more]
Paclitaxel partitioning into lipid bilayers.
Journal of Pharmaceutical Sciences 85(2), 228-231 (1996)
Paclitaxel (taxol) is diterpenoid anticancer drug with a new mechanism of cytostatic action. It is under investigation in clinical trials for...[more]
