Rabbit TFEB Signaling Sampler Kit Monoclonal Antibody

Rabbit TFEB Signaling Sampler Kit Monoclonal Antibody

Cat. No.: DAB-0012895

Size: 20 µL Size: 100 µL Size: Customer Size
Product Information
Clonality Monoclonal
Host Species Rabbit
Product Description Monoclonal antibodies are produced by immunizing animals with synthetic peptides corresponding to residues surrounding Gly412 of human TFEB and Ser2481 of human mTOR, and synthetic phosphopeptides corresponding to residues surrounding Ser211 of human TFEB and Ser2448 of human mTOR. Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide surrounding Ser122 and a synthetic peptide corresponding to the carboxy terminus of human Calcineurin A (alpha isoform). Antibodies are purified by protein A and peptide affinity chromatography.
Format Liquid
Purity Affinity purity
Target Information
Gene Description Transcription factor EB is a member of the Myc-related, bHLH leucine-zipper family of transcription factors that drives the expression of a network of genes known as the Coordinated Lysosomal Expression and Regulation network. TFEB specifically recognizes and binds regulatory sequences within the CLEAR box of lysosomal and autophagy genes, resulting in the upregulated expression of genes involved in lysosome biogenesis and function, and regulation of autophagy. TFEB is activated in response to nutrient deprivation, stimulating translocation to the nucleus where it forms homo- or heterooligomers with other members of the microphthalmia transcription factor subfamily and resulting in upregulation of autophagosomes and lysosomes. Recently, it has been shown that TFEB is a component of mammalian target of rapamycin complex 1, which regulates the phosphorylation and nuclear translocation of TFEB in response to cellular starvation and stress. During normal growth conditions, TFEB is phosphorylated at Ser211 in an mTORC1-dependent manner. Phosphorylation promotes association of TFEB with 14-3-3 family proteins and retention in the cytosol. Inhibition of mTORC1 results in a loss of TFEB phosphorylation, dissociation of the TFEB/14-3-3 complex, and rapid transport of TFEB to the nucleus where it increases transcription of CLEAR and autophagy genes. TFEB has also been shown to be activated in a nutrient-dependent manner by p42 MAP kinase. TFEB is phosphorylated at Ser142 by Erk2 in response to nutrient deprivation, resulting in nuclear localization and activation, and indicating that pathways other than mTOR contribute to nutrient sensing via TFEB.Additional studies have also identified phosphorylation of TFEB at Ser122 that is dependent on mTORC1. mTOR activity is associated with phosphorylation at Ser2448 via the PI3 kinase/Akt signaling pathway. Lysosomal calcium release activates the phosphatase calcineurin that dephosphorylates TFEB and promotes nuclear translocation and autophagy.
Shipping & Storage
Shipping Shipped at 4 °C.
Storage Instructions Store at +4 °C short term (1-2 weeks). Store at -20 °C long term.
Storage Buffer Constituent: 100% PBS
All of our services and products are intended for preclinical research use only and cannot be used to diagnose, treat or manage patients.
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