Gastrulation brain homeobox 2 (GBX2)

**Gastrulation brain homeobox 2 (GBX2)** is a transcription factor encoded by the GBX2 gene, belonging to the homeobox protein family[1][4][6]. It is a sequence-specific DNA-binding protein crucial for the development and regionalization of the central nervous system, particularly of the midbrain and hindbrain during embryogenesis[1][2][4]. GBX2 regulates the segmentation of the hindbrain into rhombomeres 1-3 and influences the expression of other developmental genes such as FGF8 and Otx2[1][4]. Its activity is essential for neural crest cell migration, nervous system patterning, and aspects of cardiovascular development[4]. Dysregulation or mutation of GBX2 is associated with congenital anomalies (including Opitz-Gbbb syndrome and craniofacial/cardiovascular defects) and has been linked to certain cancers[1][2]. There are currently no drugs known to directly target GBX2, nor is it considered a therapeutic target; its essential role in fundamental developmental processes makes it primarily of interest for developmental biology and genetics, not for drug targeting[1][6].

Other names

Homeobox protein GBX-2GBX2Gastrulation and brain-specific homeobox protein 2homeobox protein GBX-2gastrulation and brain-specific homeobox protein 2

Not applicable (no known or reported drugs directly targeting GBX2 as a therapeutic mechanism)