Interacting selectively and non-covalently with high-density lipoprotein particle, a lipoprotein particle with a high density (typically 1.063-1.21 g/ml) and a diameter of 5-10 nm that contains APOAs and may contain APOCs and APOE.
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
Interacting selectively and non-covalently with one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
An acute inflammatory response that involves non-antibody proteins whose concentrations in the plasma increase in response to infection or injury of homeothermic animals.
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
The chemical reactions and pathways involving cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones. It is a component of the plasma membrane lipid bilayer and of plasma lipoproteins and can be found in all animal tissues.
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
The chemical reactions and pathways involving lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. Includes fatty acids; neutral fats, other fatty-acid esters, and soaps; long-chain (fatty) alcohols and waxes; sphingoids and other long-chain bases; glycolipids, phospholipids and sphingolipids; and carotenes, polyprenols, sterols, terpenes and other isoprenoids.
We previously isolated APOL3 (CG12-1) cDNA and now describe the isolation of APOL1 and APOL2 cDNA from an activated endothelial cell cDNA library and show their endothelialspecific expression in human vascular tissue. APOL1-APOL4 are clustered on human chromosome 22q13.1, as a result of tandem gene duplication, and were detected only in primates (humans and African green monkeys) and not in dogs, pigs, or rodents, showing that this gene cluster has arisen recently in evolution. The specific tissue distribution and gene organization suggest that these genes have diverged rapidly after duplication. This has resulted in the emergence of an additional signal peptide encoding exon that ensures secretion of the plasma high-density lipoprotein-associated APOL1. Our results show that the APOL1-APOL4 cluster might contribute to the substantial differences in the lipid metabolism of humans and mice, as dictated by the variable expression of genes involved in this process.
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
The directed movement of lipids into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Lipids are compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent.
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
We report the cloning of a new gene family encoding six apolipoprotein L (apoL-I to -VI) proteins. The genes were identified as a cluster spanning a region of 619 kb on chromosome 22. Each apoL was found to share significant identity in its predicted amphipathic alpha helices while phylogenetic tree mapping showed the genes to be evolutionarily conserved. Tissue distribution by semiquantitative PCR revealed expression in all tissues, but consistently higher levels in the placenta were observed, except for apoL-V, which had a restricted expression. A comparison of tissue distribution with apoA-I, the major structural component of high-density lipoprotein, suggests that the apoL proteins may play a general and fundamental role in lipid biochemistry. In situ hybridization for expression of apoL-I in the placenta revealed expression throughout this tissue. The pathological expression of the apolipoproteins during pregnancy is implicated in fetal growth retardation, preeclampsia, and the onset of adult atherosclerosis.
Protein involved in the transport of lipids, a diverse class of compounds which are insoluble in water but soluble in organic solvents. They include fats, oils, triacylglycerols, fatty acids, glycolipids, phospholipids and steroids.
Protein involved in the transport of a molecule (metabolite, protein, etc), a ion or an electron across cell membranes, inside the cell or in a tissue fluid.
A reference proteome is a set of protein sequences derived from a complete proteome which constitutes a defined standard for a particular user community. Reference proteomes are manually defined according to a number of criteria. They cover the proteomes of well- studied model organisms and other proteomes of interest for biomedical and biotechnological research. Reference proteomes have been selected to provide broad coverage of the tree of life, and constitute a representative cross-section of the taxonomic diversity to be found within UniProtKB.
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