Encyclopedia of Signaling Molecules

2018 Edition
| Editors: Sangdun Choi

WNT

  • Anuradha Yadav
  • Rajnish Kumar Chaturvedi
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-67199-4_101790

Synonyms

Historical Background

Wnt is a primordial signaling pathway, which is conserved from lower invertebrates to higher vertebrates and mammal (Chen et al. 2008). The founders of this pathway were discovered in the late 1900s in fruit flies and in mouse mammary cancers (Lerner and Ohlsson 2015) The name “Wnt” originated from a combination of wingless (Wg) and integrase1 (Int1). The Int1 gene is an oncogene, while Wg is a developmental gene in drosophila which is homologous to Int1 (Nusse and Varmus 1982; Rijsewijk et al. 1987).

Wnt Proteins Structure

Wnts are secreted glycolipoproteins, which are approximately 350 amino acids long, 40 kDa in molecular weight, and contain several charged cysteine residues (approx. 23–25) (Farin et al. 2016). These cysteine residues mediate Wnt folding and multimerization by regulating the formation of intermolecular and intramolecular disulfide bond (Janda et al. 2012)....

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment GroupCSIR-Indian Institute of Toxicology ResearchLucknowIndia