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Mini-Review

Regulation of Leukaemia Associated Rho GEF (LARG/ARHGEF12)

, & ORCID Icon
Pages 196-204 | Received 31 Mar 2021, Accepted 30 Jun 2021, Published online: 25 Jul 2021

Figures & data

Figure 1. LARG and RhoA Downstream Effectors Mediating Cell Motility. ROCK, Rho-associated protein kinase, mDia, Diaphanous-related formin-1; LIMK, LIM kinases; MLC, Myosin Light Chain.

Figure 1. LARG and RhoA Downstream Effectors Mediating Cell Motility. ROCK, Rho-associated protein kinase, mDia, Diaphanous-related formin-1; LIMK, LIM kinases; MLC, Myosin Light Chain.

Figure 2. Domain structure of LARG and its regulation. Phosphorylation and sequences important for the regulation of LARG activation and localization are indicated. NLS, nuclear localization signal; PDZ, post-synaptic density 95; disk large, zona occludens-1; RH, RGS homology; DH, Dbl homology; PH, Pleckstrin homology; CC, coiled-coil domain.

Figure 2. Domain structure of LARG and its regulation. Phosphorylation and sequences important for the regulation of LARG activation and localization are indicated. NLS, nuclear localization signal; PDZ, post-synaptic density 95; disk large, zona occludens-1; RH, RGS homology; DH, Dbl homology; PH, Pleckstrin homology; CC, coiled-coil domain.

Figure 3. LARG activation and regulation. primary pathways of LARG activation in cell migration and invasion are depicted. Upon GPCR, EGFR/integrin binding to cognate ligands LARG can be activated by either Gα proteins or ERK/RSK respectively. Not shown are undefined tyrosine phosphorylations in the c-terminus that can also mediate activation via FAK or Fyn kinases. Dia1 can alternatively activate LARG GEF activity by binding to the coiled-coil region.

Figure 3. LARG activation and regulation. primary pathways of LARG activation in cell migration and invasion are depicted. Upon GPCR, EGFR/integrin binding to cognate ligands LARG can be activated by either Gα proteins or ERK/RSK respectively. Not shown are undefined tyrosine phosphorylations in the c-terminus that can also mediate activation via FAK or Fyn kinases. Dia1 can alternatively activate LARG GEF activity by binding to the coiled-coil region.

Figure 4. LARG Physiological Function. Depicted are known physiological functions of LARG/ARHGEF12 and potential therapeutic value of targeting LARG in each.

Figure 4. LARG Physiological Function. Depicted are known physiological functions of LARG/ARHGEF12 and potential therapeutic value of targeting LARG in each.

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