Formin-like protein 2 (FMNL2)

Formin-like protein 2 (FMNL2) is an evolutionarily conserved actin-binding protein from the formin family, primarily involved in modulating cytoskeletal organization. It participates in the formation of actin filaments, cell migration, invasion, polarity, and adhesion. FMNL2 is activated downstream of Rho GTPases like Cdc42 and Rac1. Functionally, FMNL2 regulates filopodia and lamellipodia assembly through its formin homology domains, mediating cell protrusions crucial for migration and extracellular navigation[2][3][6][7]. FMNL2 has clinical relevance in cancer (regulating cell invasion, particularly in breast and colorectal cancer), neurodegenerative (Alzheimer’s disease), cardiovascular, and some ocular diseases (glaucoma)[1][3][4][5][7]. Formin proteins, including FMNL2, are not common direct drug targets, but represent critical nodes in pathways relevant to disease progression and cellular physiology. FMNL2’s potential as a biomarker exists in oncology and neurovascular disease contexts.

Other names

FMNL2FHOD2Formin-like protein 2Formin homology 2 domain-containing protein 2KIAA1902FRL3

For FMNL2-targeting strategies (investigational/restorative): Modulation of actin polymerization; Inhibition or enhancement of cellular migration/invasion via Rho GTPase effector pathways[1][2][7].