Background/Introduction: Brain-derived neurotrophic factor (BDNF) is a prosurvival factor induced by cortical neurons that is necessary for survival of striatal neurons in the brain. It is a secreted protein with the molecular weight of 27.8kDa, consisting of 247 amino acids. It is known to promote neuronal survival and differentiation. BDNF shares substantial amino acid sequence identity with nerve growth factor (NGF). BDNF and neurotrophin-3 (NT-3) are two recently cloned neurotrophic factors that are homologous to NGF. mRNA products of the BDNF and NT-3 genes are detected in the adult human brain, suggesting that these proteins are involved in the maintenance of the adult nervous system. BDNF and other neurotrophins are critically involved in long-term potentiation (LTP). BDNF-mediated LTP is induced postsynaptically. BDNF has trophic effects on serotonergic (5-HT) neurons in the central nervous system. BDNF has an essential maintenance function in the regulation of anxiety-related behavior and in food intake through central mediators in both the basal and fasted state. It plays a role in treating breathing disorders such as respiratory insufficiency after spinal injury. The mature form of BDNF is identical in all mammals examined, and the gene encoding human BDNF to chromosome 11, band p13.
NCBI and Uniprot Product Information
NCBI Description
The protein encoded by this gene is a member of the nerve growth factor family. It is involved in the growth, differentiation and survival of specific types of developing neurons both in the central nervous system (CNS) and the peripheral nervous system. It is also involved in regulating synaptic plasticity in the CNS. Expression of a similar gene in human is reduced in both Alzheimer's and Huntington disease patients. Multiple transcript variants encoding distinct isoforms have been described for this gene. [provided by RefSeq, Sep 2015]
Uniprot Description
BDNF: During development, promotes the survival and differentiation of selected neuronal populations of the peripheral and central nervous systems. Participates in axonal growth, pathfinding and in the modulation of dendritic growth and morphology. Major regulator of synaptic transmission and plasticity at adult synapses in many regions of the CNS. The versatility of BDNF is emphasized by its contribution to a range of adaptive neuronal responses including long-term potentiation (LTP), long-term depression (LTD), certain forms of short-term synaptic plasticity, as well as homeostatic regulation of intrinsic neuronal excitability. Defects in BDNF are a cause of congenital central hypoventilation syndrome (CCHS); also known as congenital failure of autonomic control or Ondine curse. CCHS is a rare disorder characterized by abnormal control of respiration in the absence of neuromuscular or lung disease, or an identifiable brain stem lesion. A deficiency in autonomic control of respiration results in inadequate or negligible ventilatory and arousal responses to hypercapnia and hypoxemia. CCHS is frequently complicated with neurocristopathies such as Hirschsprung disease that occurs in about 16% of CCHS cases. Belongs to the NGF-beta family. 5 isoforms of the human protein are produced by alternative promoter.
Protein type: Secreted, signal peptide; Cell development/differentiation; Cytokine; Secreted
Cellular Component: extracellular space; cell; cytoplasmic membrane-bound vesicle; dendrite; extracellular region; terminal button; perikaryon; synaptic vesicle; mitochondrial crista; cell soma; perinuclear region of cytoplasm; axon; cytoplasm
Molecular Function: protein binding; growth factor activity; neurotrophin TRKB receptor binding; receptor binding
Biological Process: regulation of long-term neuronal synaptic plasticity; fear response; axon guidance; mechanoreceptor differentiation; behavioral fear response; mitochondrial electron transport, NADH to ubiquinone; axon extension; regulation of synaptic plasticity; positive regulation of long-term neuronal synaptic plasticity; regulation of inhibitory postsynaptic membrane potential; learning and/or memory; negative regulation of neuroblast proliferation; ureteric bud development; regulation of neuron apoptosis; dendrite development; regulation of retinal cell programmed cell death; feeding behavior; regulation of metabolic process; negative regulation of neuron apoptosis; negative regulation of synaptic transmission, GABAergic; inner ear development; response to drug; nervous system development; neuron recognition; learning; regulation of axon extension; regulation of short-term neuronal synaptic plasticity; negative regulation of striated muscle development; positive regulation of peptidyl-serine phosphorylation; positive regulation of synaptogenesis; axon target recognition; glutamate secretion; positive regulation of transcription factor activity; nerve development; positive regulation of neuron differentiation; regulation of excitatory postsynaptic membrane potential; gamma-aminobutyric acid signaling pathway; transmembrane receptor protein tyrosine kinase signaling pathway; negative regulation of apoptosis
Research Articles on BDNF
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Product Notes
The Mouse BDNF bdnf (Catalog #AAA825093) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA825093 ELISA Kit recognizes Mouse BDNF. AAA Biotech's BDNF can be used in a range of immunoassay formats including, but not limited to, Sandwich ELISA (SE). Researchers should empirically determine the suitability of the BDNF bdnf for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "BDNF, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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