Iroquois-class homeodomain protein IRX-2, also known as Iroquois homeobox protein 2, is a protein that in humans is encoded by the IRX2 gene. IRX2 is a member of the Iroquois homeobox gene family. Members of this family appear to play multiple roles during pattern formation of vertebrate embryos. IRX2 gene has been observed progressively downregulated in Human papillomavirus-positive neoplastic keratinocytes derived from uterine cervical preneoplastic lesions at different levels of malignancy. For this reason, IRX2 is likely to be associated with tumorigenesis and may be a potential prognostic marker for uterine cervical preneoplastic lesions progression.
Background References
1. "System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation." Rigbolt K.T., Prokhorova T.A., Akimov V., Henningsen J., Johansen P.T., Kratchmarova I., Kassem M., Mann M., Olsen J.V., Blagoev B. Sci. Signal. 4:RS3-RS3(2011)
2. "Cloning and chromosome mapping of human and chicken Iroquois (IRX) genes." Ogura K., Matsumoto K., Kuroiwa A., Isobe T., Otoguro T., Jurecic V., Baldini A., Matsuda Y., Ogura T. Cytogenet. Cell Genet. 92:320-325(2001
Western blot analysis of IRX2 on different lysates with Rabbit anti-IRX2 antibody (R1307-5) at 1/1,000 dilution.
Lane 1: Hela cell lysate Lane 2: HepG2 cell lysate Lane 3: SiHa cell lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 49 kDa Observed band size: 49 kDa
Exposure time: 2 minutes;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (R1307-5) at 1/1,000 dilution was used in 5% NFDM/TBST at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:100,000 dilution was used for 1 hour at room temperature.
Immunofluorescent staining of Hela cells using anti- IRX2rabbit polyclonal antibody.
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