EGR2 (KROX20) activates HOXA2 expression

Stable Identifier
R-HSA-5617484
Type
Reaction [omitted]
Species
Homo sapiens
Compartment
ReviewStatus
5/5
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As inferred from mouse embryos, HOXA2 expression is directly driven by EGR2 (KROX20) in rhombomeres 3 and 5 (r3, r5) of the hindbrain and by HOXB1 in r4. EGR2 binds sites in the 5' region of the HOXA2 gene. HOXB1 sets up the correct EGR2 expression domain in r3 and thereby indirectly regulates HOXA2 in this region. (HOXA2 is the only HOX gene active in r2. An unknown activator, possibly a transcription factor of the SOX family, may be involved in expression in r2.)
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