A CaMKII inhibitor, KN-62, facilitates DHPG-induced LTD in the CA1 region of the hippocampus

被引:32
作者
Schnabel, R [1 ]
Palmer, MJ
Kilpatrick, IC
Collingridge, GL
机构
[1] Univ Bristol, Sch Med Sci, Dept Anat, Bristol BS8 1TD, Avon, England
[2] Knoll Pharmaceut, Res & Dev, Nottingham NG1 1GF, England
关键词
glutamate; metabotropic glutamate (mGlu) receptor; (RS)-3,5-dihydroxyphenylglycine (DHPG); hippocampal slice; long-term depression; synaptic plasticity;
D O I
10.1016/S0028-3908(98)00229-9
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
We have shown previously that activation of mGlu receptors using a group I specific mGlu receptor agonist, (RS)-3,5-dihydroxyphenylglycine (DHPG), can induce long-term depression (LTD) in the CA1 region of the hippocampus (Palmer et al., 1997). We now report that DHPG-induced LTD is facilitated by treatment with KN-62, an inhibitor of certain Ca2+ /calmodulin-dependent protein kinases (CaMKs), including CaMKII. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:605 / 608
页数:4
相关论文
共 13 条
[1]   METABOTROPIC GLUTAMATE RECEPTORS CONTRIBUTE TO THE INDUCTION OF LONG-TERM DEPRESSION IN THE CA1 REGION OF THE HIPPOCAMPUS [J].
BASHIR, ZI ;
JANE, DE ;
SUNTER, DC ;
WATKINS, JC ;
COLLINGRIDGE, GL .
EUROPEAN JOURNAL OF PHARMACOLOGY, 1993, 239 (1-3) :265-266
[2]   Long-term depression in hippocampus [J].
Bear, MF ;
Abraham, WC .
ANNUAL REVIEW OF NEUROSCIENCE, 1996, 19 :437-462
[3]   POSTSYNAPTIC INDUCTION AND PRESYNAPTIC EXPRESSION OF HIPPOCAMPAL LONG-TERM DEPRESSION [J].
BOLSHAKOV, VY ;
SIEGELBAUM, SA .
SCIENCE, 1994, 264 (5162) :1148-1152
[4]   Involvement of calcium/calmodulin-dependent protein kinases in the setting of a molecular switch involved in hippocampal LTP [J].
Bortolotto, ZA ;
Collingridge, GL .
NEUROPHARMACOLOGY, 1998, 37 (4-5) :535-544
[5]  
BORTOLOTTO ZA, 1998, IN PRESS BIOCH SOC T
[6]   The potent mGlu receptor antagonist LY341495 identifies roles for both cloned and novel mGlu receptors in hippocampal synaptic plasticity [J].
Fitzjohn, SM ;
Bortolotto, ZA ;
Palmer, MJ ;
Doherty, MJ ;
Doherty, AJ ;
Ornstein, PL ;
Schoepp, DD ;
Kingston, AE ;
Lodge, D ;
Collingridge, GL .
NEUROPHARMACOLOGY, 1998, 37 (12) :1445-1458
[7]   EFFECTS OF KN-62, A SPECIFIC INHIBITOR OF CALCIUM CALMODULIN-DEPENDENT PROTEIN KINASE-II, ON LONG-TERM POTENTIATION IN THE RAT HIPPOCAMPUS [J].
ITO, I ;
HIDAKA, H ;
SUGIYAMA, H .
NEUROSCIENCE LETTERS, 1991, 121 (1-2) :119-121
[8]   Two distinct forms of long-term depression coexist in CA1 hippocampal pyramidal cells [J].
Oliet, SHR ;
Malenka, RC ;
Nicoll, RA .
NEURON, 1997, 18 (06) :969-982
[9]   METABOTROPIC GLUTAMATE RECEPTOR-INDUCED HOMOSYNAPTIC LONG-TERM DEPRESSION AND DEPOTENTIATION IN THE DENTATE GYRUS OF THE RAT HIPPOCAMPUS IN-VITRO [J].
OMARA, SM ;
ROWAN, MJ ;
ANWYL, R .
NEUROPHARMACOLOGY, 1995, 34 (08) :983-989
[10]   Metabotropic glutamate receptor mediated long-term depression in developing hippocampus [J].
Overstreet, LS ;
Pasternak, JF ;
Colley, PA ;
Slater, NT ;
Trommer, BL .
NEUROPHARMACOLOGY, 1997, 36 (06) :831-844