Figure 2.
![Figure 2. Expression of PPX does not alter cardiac ECC. (A) Original recordings of [Ca2+]i transients during field stimulation at 1 Hz and caffeine application from cells infected with control GFP virus (black) and PPX virus (gray). (B) Average values of diastolic [Ca2+]i. (C) Amplitude of field stimulation–induced [Ca2+]i transients. (D) Rise time to 90% peak and decay time to 10% above baseline of electrically stimulated [Ca2+]i transients. (E) SR Ca2+ load expressed as average amplitudes of caffeine-induced Ca2+ release. Here and in the subsequent figures, numbers in parenthesis indicate number of cells.](https://cdn.rupress.org/rup/content_public/journal/jgp/139/5/10.1085_jgp.201210788/4/jgp_201210788_fig2.jpeg?Expires=1767722550&Signature=G7B2FwRAB9y6IDP0-xPHOzLoiiY20dJRtZM-J7ImVS8NfvK2jHK1x65-6vuGZAsqrHxUnn4WQ-8Oh3-UyzF5syuDTXBS1rT~PX7-ehqMTyYTrtOqE3LXA--pgH53OvtJHNvKLbwYNjeoDZTAgblC~BqbzD-UabftzfV0litB2~OMLS3k5xFA-AeDR1cyahW8kLvkO-iD3ZilhLNSGYkrR3HEalmynbEiUSDQldKAtUZqHcaXAaYpEs~Ld~gp4ZLd986kVUDmFjIindvQ7dyqML-74RjpCn0RK~LnVt-tdDkZ2C0OE~MLQ0Z2v1vZLkHo0orT6JwdloqEcp545uI2aw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Expression of PPX does not alter cardiac ECC. (A) Original recordings of [Ca2+]i transients during field stimulation at 1 Hz and caffeine application from cells infected with control GFP virus (black) and PPX virus (gray). (B) Average values of diastolic [Ca2+]i. (C) Amplitude of field stimulation–induced [Ca2+]i transients. (D) Rise time to 90% peak and decay time to 10% above baseline of electrically stimulated [Ca2+]i transients. (E) SR Ca2+ load expressed as average amplitudes of caffeine-induced Ca2+ release. Here and in the subsequent figures, numbers in parenthesis indicate number of cells.
