Nuclear receptors in podocyte biology and glomerular disease. 2021

Shipra Agrawal, and John C He, and Pierre-Louis Tharaux
Center for Clinical and Translational Research, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, USA. Shipra.Agrawal@Nationwidechildrens.org.

Nuclear receptors have a broad spectrum of biological functions in normal physiology and in the pathology of various diseases, including glomerular disease. The primary therapies for many glomerular diseases are glucocorticoids, which exert their immunosuppressive and direct podocyte protective effects via the glucocorticoid receptor (GR). As glucocorticoids are associated with important adverse effects and a substantial proportion of patients show resistance to these therapies, the beneficial effects of selective GR modulators are now being explored. Peroxisome proliferator-activated receptor-γ (PPARγ) agonism using thiazolidinediones has potent podocyte cytoprotective and nephroprotective effects. Repurposing of thiazolidinediones or identification of novel PPARγ modulators are potential strategies to treat non-diabetic glomerular disease. Retinoic acid receptor-α is the key mediator of the renal protective effects of retinoic acid, and repair of the endogenous retinoic acid pathway offers another potential therapeutic strategy for glomerular disease. Vitamin D receptor, oestrogen receptor and mineralocorticoid receptor modulators regulate podocyte injury in experimental models. Further studies are needed to better understand the mechanisms of these nuclear receptors, evaluate their synergistic pathways and identify their novel modulators. Here, we focus on the role of nuclear receptors in podocyte biology and non-diabetic glomerular disease.

UI MeSH Term Description Entries
D007674 Kidney Diseases Pathological processes of the KIDNEY or its component tissues. Disease, Kidney,Diseases, Kidney,Kidney Disease
D007678 Kidney Glomerulus A cluster of convoluted capillaries beginning at each nephric tubule in the kidney and held together by connective tissue. Glomerulus, Kidney
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D050199 Podocytes Highly differentiated epithelial cells of the visceral layer of BOWMAN CAPSULE of the KIDNEY. They are composed of a cell body with major CELL SURFACE EXTENSIONS and secondary fingerlike extensions called pedicels. They enwrap the KIDNEY GLOMERULUS capillaries with their cell surface extensions forming a filtration structure. The pedicels of neighboring podocytes interdigitate with each other leaving between them filtration slits that are bridged by an extracellular structure impermeable to large macromolecules called the slit diaphragm, and provide the last barrier to protein loss in the KIDNEY. Visceral Epithelial Cells, Glomerular,Epithelial Cells, Glomerular Visceral,Glomerular Visceral Epithelial Cells,Podocyte
D018160 Receptors, Cytoplasmic and Nuclear Intracellular receptors that can be found in the cytoplasm or in the nucleus. They bind to extracellular signaling molecules that migrate through or are transported across the CELL MEMBRANE. Many members of this class of receptors occur in the cytoplasm and are transported to the CELL NUCLEUS upon ligand-binding where they signal via DNA-binding and transcription regulation. Also included in this category are receptors found on INTRACELLULAR MEMBRANES that act via mechanisms similar to CELL SURFACE RECEPTORS. Cytoplasmic Receptor,Cytoplasmic and Nuclear Receptors,Cytosolic and Nuclear Receptors,Hormone Receptors, Cytoplasmic,Hormone Receptors, Nuclear,Nuclear Hormone Receptor,Nuclear Receptor,Nuclear and Cytoplasmic Receptors,Cytoplasmic Hormone Receptors,Cytoplasmic Receptors,Cytosol and Nuclear Receptors,Intracellular Membrane Receptors,Nuclear Hormone Receptors,Nuclear Receptors,Receptors, Cytoplasmic,Receptors, Cytosol and Nuclear,Receptors, Cytosolic and Nuclear,Receptors, Intracellular Membrane,Receptors, Nuclear,Receptors, Nuclear and Cytoplasmic,Hormone Receptor, Nuclear,Membrane Receptors, Intracellular,Receptor, Cytoplasmic,Receptor, Nuclear,Receptor, Nuclear Hormone,Receptors, Cytoplasmic Hormone,Receptors, Nuclear Hormone

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