Skip to main content
. 2020 Oct 8;8:586109. doi: 10.3389/fcell.2020.586109

TABLE 1.

Orai1 expression in the heart.

Interfering methods Techniques Expression level Antibody Species Cell type/tissue Proposed location References
MO-Orai1/siRNA qRT-PCR mRNA/Protein Santa Cruz Biotech. (KD validated) Zebrafish One-cell embryos PM Volkers et al., 2012
WB Rat Neonatal cardiomyocytes
Mouse Embryonic hearts
IHC Adult hearts
PLA Isolated adult cardiomyocytes
siRNA qRT-PCR/WB/IC mRNA/Protein N/A (KD validated) Rat Neonatal cardiomyocytes Perinuclear and cytosolic Voelkers et al., 2010
RNAi RT-PCR/WB mRNA/Protein Millipore Mouse HL-1 cell line Touchberry et al., 2011
Cardiomyocyte-specific expression dn-Orai1R91W qRT-PCR/WB/IC/IHC mRNA/Protein Sigma-Aldrich (08264) (Kl and KO validated) Mouse Adult Hearts/Isolated adult cardiomyocytes PM/IDs/nuclei Bartoli et al., 2020
qRT-PCR/WB mRNA/Protein Sigma-Aldrich (08264) Rat Isolated adult cardiomyocytes Bartoli et al., 2019
siRNA/dn-Orai1G98A Myc-tagged Orai1/Myc-tagged Orai1S34A qRT-PCR/WB/IC/IP mRNA/Protein Alomone (ACC-062) (KD validated) Human hESC-CMs/Neonatal cardiomyocytes Puncta along the PM/nuclei Wang et al., 2015
Rat
BTP2 qRT-PCR/WB/IC mRNA/Protein Sigma-Aldrich (08264)/ProSci (PM-5207) Mouse SAN tissue and cells/Atria/Ventricles tissue PM Liu et al., 2015
2-APB (as activator) WB/IHC Protein ProSci (4281)/ProSci (4217) Rat Left atria tissue/Papillary muscle Puncta Wolkowicz et al., 2011
2-APB (as activator) WB/IHC Protein ProSci (4281)/ProSci (4217) Rat Left ventricles tissue Diffuse/Puncta Wang et al., 2012
siRNA qRT-PCR/WB/Co-IP mRNA/Protein Santa Cruz Biotech. (sc-68895)(KD validated) Rat Isolated adult cardiomyocytes Saliba et al., 2015
siRNA RT-PCR/WB/IC/Co-IP mRNA/Protein N/A (KD validated) Human Cardiac c-kit+ progenitor cells PM Che et al., 2015
dnOrai1E106A/S66/BTP2 qRT-PCR/WB/IC/Co-IP mRNA/Protein Sigma-Aldrich (08264) Rat Neonatal cardiomyocytes Sabourin et al., 2016
Orai1+/– WB Protein Mouse Adult heart tissue Horton et al., 2014
WB Protein Rat Isolated adult cardiomyocytes Dominguez-Rodriguez et al., 2015
dn-Orai1R93W qRT-PCR mRNA Mouse Heart tissue Maus et al., 2017
qRT-PCR mRNA Chicken Heart tissue Li et al., 2017
BTP2/dn-Orai1E106Q qRT-PCR/IC mRNA/Protein Cat Isolated adult cardiomyocytes PM Troupes et al., 2017
GSK7579A/S66 WB/IC Protein Alomone (ALM-25) Mouse Heart tissue/Isolated adult cardiomyocytes IDs Bonilla et al., 2019
WB Protein Millipore Mouse Ventricle tissue Correll et al., 2015
IC Protein Mouse Isolated adult cardiomyocytes Nucleoplasm Lee et al., 2018
WB/IC Protein Cell signaling (#1280) Rat Heart tissue/Neonatal cardiomyocytes Membrane fraction Puncta along the PM Zhu-Mauldin et al., 2012
WB/Co-IP Santa Cruz Biotech. Heart tissue Lu et al., 2017
WB Protein ProSci (4281) Mouse Isolated adult cardiomyocytes Collins et al., 2014
WB/Co-IP Protein Abcam (sc-377281) Rat Neonatal cardiomyocytes Malette et al., 2019
CRACM1+/+-LacZ LacZ staining Protein Mouse Neonatal heart Vig et al., 2008
siRNA WB Protein Sigma-Aldrich (08264) (KD validated) Mouse Heart tissue Zheng et al., 2017
Rat Neonatal cardiomyocytes
qRT-PCR/WB/IHC mRNA/Protein Abcam Mouse Heart tissue/Neonatal cardiomyocytes Dai et al., 2018
Orai1Flox/Flox/α-MHC/Cre qRT-PCR/IC mRNA/Protein N.A. (#1003) (KO validated) Mouse Isolated embryonic cardiomyocytes Isolated adult cardiomyocytes Segin et al., 2020
qRT-PCR mRNA Human Left ventricle tissue Cendula et al., 2019
IHC/IC Protein Alomone Mouse SAN/SANCs PM Zhang et al., 2015
WB Protein Santa Cruz Biotech (sc-68895) Mouse HL-1 cell line Shiou et al., 2019
RT-PCR/WB/Co-IP mRNA/Protein Human Atria tissue Zhang et al., 2013
qRT-PCR mRNA Ground squirrels Papillary muscles Nakipova et al., 2017
Northern-blot RNA Mouse Heart tissue Gross et al., 2007
WB Protein Abcam Rat Neonatal cardiomyocytes Ji et al., 2017
RT-PCR mRNA Mouse Heart tissue Takahashi et al., 2007
siRNA PCR-based micro-array/WB/PLA Protein Novus Biologicals (KD validated) Rat Neonatal cardiomyocytes/Heart tissue Dominguez-Rodriguez et al., 2018
IHC Protein mAb266.1/ProSci (4281) Rat Heart tissue Guzman et al., 2014
Human
WB Protein Sigma-Aldrich (08264) Rat Left and right ventricles tissues Sabourin et al., 2018

WB, Western-blot; IC, immunocytochemistry; IHC, immunohistochemistry; PLA, proximity ligation assay; IP, immunoprecipitation; Dn, dominant negative; hESC-CMs, human embryonic stem cell-derived cardiomyocytes; PM, plasma membrane; IDs, intercalated disks.