CD38: a NAADP degrading enzyme.
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CD38: a NAADP degrading enzyme. / Schmid, Frederike; Bruhn, Sören; Weber, Karin; Mittrücker, Hans Willi; Guse, Andreas H.
in: FEBS LETT, Jahrgang 585, Nr. 22, 22, 2011, S. 3544-3548.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - CD38: a NAADP degrading enzyme.
AU - Schmid, Frederike
AU - Bruhn, Sören
AU - Weber, Karin
AU - Mittrücker, Hans Willi
AU - Guse, Andreas H.
PY - 2011
Y1 - 2011
N2 - The role of the multifunctional enzyme CD38 in formation of the Ca(2+)-mobilizing second messenger nicotinic acid adenine dinucleotide phosphate (NAADP) was investigated. Gene silencing of CD38 did neither inhibit NAADP synthesis in intact Jurkat T cells nor in thymus or spleen obtained from CD38 knock out mice. In vitro, both NAADP formation by base-exchange and degradation to 2-phospho adenosine diphosphoribose were efficiently decreased. Thus in vivo CD38 appears to be a NAADP degrading rather than a NAADP forming enzyme, perhaps avoiding desensitizing NAADP levels in intact cells.
AB - The role of the multifunctional enzyme CD38 in formation of the Ca(2+)-mobilizing second messenger nicotinic acid adenine dinucleotide phosphate (NAADP) was investigated. Gene silencing of CD38 did neither inhibit NAADP synthesis in intact Jurkat T cells nor in thymus or spleen obtained from CD38 knock out mice. In vitro, both NAADP formation by base-exchange and degradation to 2-phospho adenosine diphosphoribose were efficiently decreased. Thus in vivo CD38 appears to be a NAADP degrading rather than a NAADP forming enzyme, perhaps avoiding desensitizing NAADP levels in intact cells.
KW - Animals
KW - Humans
KW - Mice
KW - Mice, Knockout
KW - Gene Silencing
KW - Calcium/metabolism
KW - Jurkat Cells
KW - Adenosine Diphosphate Ribose/metabolism
KW - Antigens, CD38/genetics/metabolism
KW - Membrane Glycoproteins/genetics/metabolism
KW - NADP/analogs & derivatives/metabolism
KW - Spleen/metabolism
KW - Thymus Gland/metabolism
KW - Animals
KW - Humans
KW - Mice
KW - Mice, Knockout
KW - Gene Silencing
KW - Calcium/metabolism
KW - Jurkat Cells
KW - Adenosine Diphosphate Ribose/metabolism
KW - Antigens, CD38/genetics/metabolism
KW - Membrane Glycoproteins/genetics/metabolism
KW - NADP/analogs & derivatives/metabolism
KW - Spleen/metabolism
KW - Thymus Gland/metabolism
M3 - SCORING: Journal article
VL - 585
SP - 3544
EP - 3548
JO - FEBS LETT
JF - FEBS LETT
SN - 0014-5793
IS - 22
M1 - 22
ER -