CACNG6

CACNG6 is implicated in calcium ion influx, where its downregulation reduces calcium entry and indirectly modulates the MAPK signaling pathway in a mouse pneumonia model (PMID:41819427). Beyond this single in vivo association, no direct mechanistic characterization of the human protein — including structure, in vitro reconstitution, or interaction studies — has been established in the available corpus.

1. 2026 Low

   To address whether CACNG6 influences calcium signaling and downstream pathways in an inflammatory context, expression modulation in a pneumonia model linked CACNG6 downregulation to reduced calcium influx and altered MAPK activity.

   Evidence In vivo mouse pneumonia model with PT@M2 nanoparticle drug delivery, modulating CACNG6 expression with MAPK pathway readout

   PMID:41819427

   Open questions at the time

   • Mechanistic link inferred from expression modulation in a complex in vivo system without reconstitution or mutagenesis
   • No direct evidence that CACNG6 itself conducts or gates the calcium flux observed
   • No demonstration of a direct molecular connection between CACNG6 and MAPK components

• Whether CACNG6 functions as a bona fide calcium channel subunit and how it physically engages channel or signaling partners remains uncharacterized.
• No structural model or in vitro reconstitution of the human protein
• No direct physical interaction partners identified
• Causal role in calcium influx not established by mutagenesis