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ÉR
Étienne Rousseau
Author with expertise in Molecular Mechanisms of Ion Channels Regulation
Achievements
Cited Author
Key Stats
Upvotes received:
0
Publications:
3
(0% Open Access)
Cited by:
1,475
h-index:
26
/
i10-index:
51
Reputation
Biology
< 1%
Chemistry
< 1%
Economics
< 1%
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Overview
Publications
3
Peer Reviews
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Publications
0
Purification and reconstitution of the calcium release channel from skeletal muscle
F. Lai
et al.
Jan 1, 1988
Biochemistry
Biophysics
0
Paper
Biochemistry
927
0
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0
Ryanodine modifies conductance and gating behavior of single Ca2+ release channel
Étienne Rousseau
et al.
Sep 1, 1987
Ryanodine affects excitation-contraction coupling in skeletal and cardiac muscle by specifically interacting with the sarcoplasmic reticulum (SR) Ca2+ release channel. The effect of the drug at the single channel level was studied by incorporating skeletal and cardiac SR vesicles into planar lipid bilayers. The two channels were activated by micromolar free Ca2+ and millimolar ATP and inhibited by Mg2+ and ruthenium red. Addition of micromolar concentrations of ryanodine decreased about twofold the unit conductance of the Ca2+- and ATP-activated skeletal and cardiac channels. A second effect of ryanodine was to increase the open probability (Po) of the channels in such a way that Po was close to unity under a variety of activating and inactivating conditions. The effects of ryanodine were long lasting in that removal of ryanodine by perfusion did not return the channels into their fully conducting state.
Biochemistry
Biophysics
0
Paper
Biochemistry
548
0
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0
Intrapatient Intermetastatic Heterogeneity Determined by Triple-Tracer PET Imaging in mCRPC Patients and Correlation to Survival: The 3TMPO Cohort Study
Frédéric Pouliot
et al.
Sep 26, 2024
Intrapatient intermetastatic heterogeneity (IIH) has been demonstrated in metastatic castration-resistant prostate cancer (mCRPC) patients and is of the utmost importance for radiopharmaceutical therapy (RPT) eligibility. This study was designed to determine the prevalence of IIH and RPT eligibility in mCRPC patients through a triple-tracer PET imaging strategy.
Internal Medicine
Cancer Research
0
Paper
Internal Medicine
Cancer Research
0
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