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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Wiley Interdiscip Rev Syst Biol Med. 2019 Mar 18;11(5):e1448. doi: 10.1002/wsbm.1448

Table 3.

Local Ca2+ signals in endothelial cells.

Ca2+ signal Source Functional effect References
TRPV4 sparklets Unitary Ca2+ influx signals through TRPV4 channels
  1. Activation of IK/SK channels, EC hyperpolarization, EC-SMC communication via MEGJs, VSMC hyperpolarization, deactivation of VDCCs, vasodilation

  2. eNOS activation, vasodilation through NO-GC-PKG signaling

(Hong et al., 2018; Marziano et al., 2017; S. K. Sonkusare et al., 2012; S. K. Sonkusare et al., 2014; Sullivan & Earley, 2013)
TRPA1 sparklets Ca2+ influx signals through TRPA1 channel Activation of IK/SK channels, endothelium-dependent vasodilation (Pires & Earley, 2018; Sullivan et al., 2015)
TRPV3 sparklets Unitary Ca2+ influx signals through TRPV3 channels Activation of IK/SK channels, endothelium-dependent vasodilation (Earley et al., 2010; Pires et al., 2015)
Ca2+ pulsars Ca2+ release from the ER through IP3Rs Activation of IK/SK channels, endothelium-dependent vasodilation (Ledoux, Taylor, et al., 2008; Nausch et al., 2012; Toussaint et al., 2015)
Ca2+ waves Propagating Ca2+ induced Ca2+ release from SR through IP3Rs Activation of eNOS and IK/SK channels, endothelium-dependent vasodilation (Kansui et al., 2008; McCarron et al., 2010; Tallini et al., 2007)
Ca2+ wavelets Ca2+ release through SR at MEPs through IP3Rs Negative regulation of α1-adrenergic activation-induced vasoconstriction through myoendothelial feedback (Tran et al., 2012)