Measuring Ca2+ release evoked by cyclic adp-ribose
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Measuring Ca2+ release evoked by cyclic adp-ribose. / Guse, Andreas H.
In: Cold Spring Harbor protocols, Vol. 2013, No. 6, 01.06.2013, p. 574-8.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Measuring Ca2+ release evoked by cyclic adp-ribose
AU - Guse, Andreas H
PY - 2013/6/1
Y1 - 2013/6/1
N2 - As a ubiquitous second messenger, the Ca(2+) mobilizing activity of cyclic ADP-ribose (cADPR) has been observed in many different cell types. The measurement of Ca(2+) release evoked by cADPR comprises several practical challenges. At physiological pH, cADPR has a net negative charge and it therefore cannot cross the cell membrane in cells that lack a suitable cADPR-transporting system. Thus, either the plasma membrane must be permeabilized or microinjection must be used to deliver cADPR to the cytosol. In this article, two methods for cADPR delivery (using permeabilized cells or microinjection) are explained step-by-step. Because most of our work has been performed using the Jurkat T-lymphoma cell line, the methods are tailored for this specific cell type. For other cell types, the procedures may need to be adapted.
AB - As a ubiquitous second messenger, the Ca(2+) mobilizing activity of cyclic ADP-ribose (cADPR) has been observed in many different cell types. The measurement of Ca(2+) release evoked by cADPR comprises several practical challenges. At physiological pH, cADPR has a net negative charge and it therefore cannot cross the cell membrane in cells that lack a suitable cADPR-transporting system. Thus, either the plasma membrane must be permeabilized or microinjection must be used to deliver cADPR to the cytosol. In this article, two methods for cADPR delivery (using permeabilized cells or microinjection) are explained step-by-step. Because most of our work has been performed using the Jurkat T-lymphoma cell line, the methods are tailored for this specific cell type. For other cell types, the procedures may need to be adapted.
KW - Calcium
KW - Cations, Divalent
KW - Cell Membrane Permeability
KW - Cyclic ADP-Ribose
KW - Cytological Techniques
KW - Humans
KW - Jurkat Cells
KW - Microinjections
U2 - 10.1101/pdb.prot073015
DO - 10.1101/pdb.prot073015
M3 - SCORING: Journal article
C2 - 23734018
VL - 2013
SP - 574
EP - 578
JO - Cold Spring Harbor protocols
JF - Cold Spring Harbor protocols
SN - 1559-6095
IS - 6
ER -