Principle of the Assay: This kit was based on sandwich enzyme-linked immune-sorbent assay technology. Anti-Kallikrein 3 polyclonal antibody was pre-coated onto 96-well plates. And the biotin conjugated anti-Kallikrein 3 polyclonal antibody was used as detection antibodies. The standards, test samples and biotin conjugated detection antibody were added to the wells subsequently, and wash with wash buffer. Avidin-Biotin-Peroxidase Complex was added and unbound conjugates were washed away with wash buffer. TMB substrates were used to visualize HRP enzymatic reaction. TMB was catalyzed by HRP to produce a blue color product that changed into yellow after adding acidic stop solution. The density of yellow is proportional to the Kallikrein 3 amount of sample captured in plate. Read the O.D. absorbance at 450nm in a microplate reader, and then the concentration of Kallikrein 3 can be calculated!!Background/Introduction: Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), is a single-chain glycoprotein with a molecular mass of about 33 kD that may function normally in the liquefaction of seminal coagulum. The PSA gene spans about 6 kb and contains 5 exons. It is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland. PSA is produced for the ejaculate, where it liquefies semen in the seminal coagulum and allows sperm to swim freely. It is also believed to be instrumental in dissolving cervical mucus, allowing the entry of sperm into the uterus.
NCBI and Uniprot Product Information
NCBI Description
This gene encodes a member of the neurotrophic tyrosine receptor kinase (NTRK) family. This kinase is a membrane-bound receptor that, upon neurotrophin binding, phosphorylates itself and members of the MAPK pathway. Signalling through this kinase leads to cell differentiation. Mutations in this gene have been associated with obesity and mood disorders. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2014]
Uniprot Description
TrkB: a receptor tyrosine kinase of the Trk family. Receptor for brain-derived neurotrophic factor (BDNF), neurotrophin-3, -4 and -5 but not nerve growth factor (NGF). Involved in the development and maintenance of the nervous system. Three splice variant isoforms have been described.
Protein type: Protein kinase, tyrosine (receptor); Kinase, protein; Membrane protein, integral; Protein kinase, TK; EC 2.7.10.1; TK group; Trk family
Chromosomal Location of Human Ortholog: 9q22.1
Cellular Component: postsynaptic membrane; growth cone; cell surface; rough endoplasmic reticulum; integral to plasma membrane; presynaptic active zone; dendritic spine; terminal button; excitatory synapse; perikaryon; endosome membrane; cytosol; receptor complex
Molecular Function: brain-derived neurotrophic factor receptor activity; neurotrophin binding; protein homodimerization activity; ephrin receptor binding; brain-derived neurotrophic factor binding; ATP binding
Biological Process: circadian rhythm; mechanoreceptor differentiation; retinal rod cell development; peptidyl-tyrosine phosphorylation; nerve growth factor receptor signaling pathway; protein amino acid autophosphorylation; regulation of neurotransmitter secretion; regulation of dendrite development; neuron migration; positive regulation of synaptic transmission, glutamatergic; neuron differentiation; positive regulation of MAPKKK cascade; positive regulation of cell proliferation; oligodendrocyte differentiation; feeding behavior; negative regulation of neuron apoptosis; vasculogenesis; inflammatory response; neuromuscular junction development; aging; central nervous system neuron development; response to light stimulus; brain-derived neurotrophic factor receptor signaling pathway; adenylate cyclase activation; regulation of protein kinase B signaling cascade; learning; positive regulation of peptidyl-serine phosphorylation; positive regulation of phosphoinositide 3-kinase cascade; peripheral nervous system neuron development; glutamate secretion; long-term memory; positive regulation of axonogenesis; cerebral cortex development; transmembrane receptor protein tyrosine kinase signaling pathway
Disease: Obesity, Hyperphagia, And Developmental Delay
Research Articles on trkB
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Product Notes
The Mouse trkB ntrk2 (Catalog #AAA494827) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA494827 ELISA Kit recognizes Mouse trkB. It is sometimes possible for the material contained within the vial of "trkB, 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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