For Research Use Only. Not for use in diagnostic procedures.

Lyophilized powder

Add 100ul of sterile PBS. Final peptide concentration is 1 mg/ml in PBS. For longer periods of storage, store at -20 degree C. Avoid repeat freeze-thaw cycles.

Small volumes of NDP blocking peptide vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

This is a synthetic peptide designed for use in combination with anti-NDP antibody made

Target Description: NDP activates the canonical Wnt signaling pathway through FZD4 and LRP5 coreceptor. NDP plays a central role in retinal vascularization by acting as a ligand for FZD4 that signals via stabilizing beta-catenin (CTNNB1) and activating LEF/TCF-mediated transcriptional programs. NDP acts in concert with TSPAN12 to activate FZD4 independently of the Wnt-dependent activation of FZD4, suggesting the existence of a Wnt-independent signaling that also promote accumulation the beta-catenin (CTNNB1). NDP may be involved in a pathway that regulates neural cell differentiation and proliferation. NDP is the genetic locus identified as harboring mutations that result in Norrie disease. Norrie disease is a rare genetic disorder characterized by bilateral congenital blindness that is caused by a vascularized mass behind each lens due to a maldeveloped retina (pseudoglioma). Publication Note: This RefSeq record includes a subset of the publications that are available for this gene. Please see the Entrez Gene record to access additional publications. PRIMARYREFSEQ_SPAN PRIMARY_IDENTIFIER PRIMARY_SPAN COMP 1-94 AL034370.1 53727-53820 c 95-1761 X65882.1 1-1667 1762-1935 BE139596.1 1-174 c

Peptide

Immunohistochemistry (IHC), Western Blot (WB)

15kDa

norrin cystine knot growth factor NDP

norrin

Norrin

EVR2??[Similar Products]

NDP_HUMAN

This gene encodes a secreted protein with a cystein-knot motif that activates the Wnt/beta-catenin pathway. The protein forms disulfide-linked oligomers in the extracellular matrix. Mutations in this gene result in Norrie disease and X-linked exudative vitreoretinopathy. [provided by RefSeq, Feb 2009]

NDP: Activates the canonical Wnt signaling pathway through FZD4 and LRP5 coreceptor. Plays a central role in retinal vascularization by acting as a ligand for FZD4 that signals via stabilizing beta-catenin (CTNNB1) and activating LEF/TCF-mediated transcriptional programs. Acts in concert with TSPAN12 to activate FZD4 independently of the Wnt-dependent activation of FZD4, suggesting the existence of a Wnt-independent signaling that also promote accumulation the beta-catenin (CTNNB1). May be involved in a pathway that regulates neural cell differentiation and proliferation. Possible role in neuroectodermal cell-cell interaction. Defects in NDP are the cause of Norrie disease (ND); also known as atrophia bulborum hereditaria or Episkopi blindness. ND is a recessive disorder characterized by very early childhood blindness due to degenerative and proliferative changes of the neuroretina. Approximately 50% of patients show some form of progressive mental disorder, often with psychotic features, and about one-third of patients develop sensorineural deafness in the second decade. In addition, some patients have more complex phenotypes, including growth failure and seizure. Defects in NDP are the cause of vitreoretinopathy exudative type 2 (EVR2). EVR2 is a disorder of the retinal vasculature characterized by an abrupt cessation of growth of peripheral capillaries, leading to an avascular peripheral retina. This may lead to compensatory retinal neovascularization, which is thought to be induced by hypoxia from the initial avascular insult. New vessels are prone to leakage and rupture causing exudates and bleeding, followed by scarring, retinal detachment and blindness. Clinical features can be highly variable, even within the same family. Patients with mild forms of the disease are asymptomatic, and their only disease related abnormality is an arc of avascular retina in the extreme temporal periphery.

Protein type: Secreted, signal peptide; Secreted

Chromosomal Location of Human Ortholog: Xp11.4

Cellular Component: extracellular matrix; extracellular space; cell surface

Molecular Function: protein binding; protein homodimerization activity; growth factor activity; frizzled binding; cytokine activity

Biological Process: nervous system development; cell proliferation; sensory perception of sound; Wnt receptor signaling pathway; visual perception; cell-cell signaling; positive regulation of transcription, DNA-dependent; positive regulation of transcription factor activity; Wnt receptor signaling pathway through beta-catenin; signal transduction; vacuole organization and biogenesis; placenta development

Disease: Exudative Vitreoretinopathy 2, X-linked; Norrie Disease

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