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Cre recombinase expression in these transgenic mice is driven by the endogenous promoter/enhancer elements of the glutamate receptor, ionotropic, kainate 4 (Grik4) gene, and is observed primarily in the hippocampus. These Cre-expressing mice may be useful in neurological studies involving hippocampus learning and memory, area CA3, and pyramidal cells.


Strain Information

Type Coisogenic; Mutant Strain; Transgenic;
Additional information on Genetically Engineered and Mutant Mice.
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Mating System+/+ sibling x Hemizygote         (Female x Male)   20-JUL-08
Specieslaboratory mouse
Generation?+F13 (11-DEC-13)
Generation Definitions
Donating InvestigatorDr. Susumu Tonegawa,   Massachusetts Institute of Technology

Mice hemizygous for this "G32-4" transgene are viable, fertile, and do not display any gross physical or behavioral abnormalities. Transgene expression (cre activity) is detectable at 14 days old in area CA3 of the hippocampus, and at 8 weeks of age, recombination is observed in nearly 100% of pyramidal cells in area CA3. Recombination is also observed in other brain areas, but at distinctly lower frequencies. If bred with mice containing a loxP-flanked sequence of interest, tissue-specific deletion of that sequence results in the offspring. Specifically, when these mice were bred with a conditional CaMKII allele (see Stock No. 006575), the resulting offspring exhibited altered neurotransmitter release. The donating investigator reports that G32-4 females may confer global Cre-mediated deletion of loxP-flanked sequences in some offspring, and recommend using male G32-4 mice exclusively for such trials. These Cre-expressing mice may be useful in neurological studies involving hippocampus learning and memory, area CA3, and pyramidal cells.

View cre expression characterization.

The entire bacterial artificial chromosome (BAC1)-DNA fragment containing the mouse Grik4 (or KA-1) genomic sequence (including the putative promoter, exon 1 (~338 bp) and exon 2 (45 bp), but not exon 3 (105 bp) carrying the translation initiation codon) was coinjected into fertilized C57BL/6 mouse eggs along with a DNA construct carrying both the minimal heat shock promoter and the Cre-recombinase cDNA sequence with nuclear localization signal. The donating investigator reported that transgenic offspring in which both cre and BAC1 sequences cointegrated into the genome (founder line G32-4) were established and maintained on the C57BL/6 genetic background (see SNP note below) prior to arrival at The Jackson Laboratory.

A 32 SNP (single nucleotide polymorphism) panel analysis, with 27 markers covering all 19 chromosomes and the X chromosome, as well as 5 markers that distinguish between the C57BL/6J and C57BL/6N substrains, was performed on the rederived living colony at The Jackson Laboratory Repository. While the 27 markers throughout the genome suggested a C57BL/6 genetic background, at least 3 of 5 markers that determine C57BL/6J from C57BL/6N were found to be segregating. These data suggest the mice sent to The Jackson Laboratory Repository were on a mixed C57BL/6J ; C57BL/6N genetic background.

Control Information

   000664 C57BL/6J
  Considerations for Choosing Controls

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009574   B6(129S4)-Et(cre/ERT2)21Rdav/J
009577   B6(129S4)-Et(cre/ERT2)296Rdav/J
009578   B6(129S4)-Et(cre/ERT2)398Rdav/J
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010688   B6(129S4)-Et(cre/ERT2)6691Rdav/J
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010691   B6(129S4)-Et(cre/ERT2)7149Rdav/J
010692   B6(129S4)-Et(cre/ERT2)7381Rdav/J
010693   B6(129S4)-Et(cre/ERT2)8120Rdav/J
010694   B6(129S4)-Et(cre/ERT2)8131Rdav/J
009579   B6(129S4)-Et(cre/ERT2)837Rdav/J
010695   B6(129S4)-Et(cre/ERT2)9699Rdav/J
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009588   B6(129S4)-Et(icre)1470Rdav/J
009589   B6(129S4)-Et(icre)1555Rdav/J
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010696   B6(129S4)-Et(icre/ERT2)10596Rdav/J
010697   B6(129S4)-Et(icre/ERT2)10727Rdav/J
012689   B6(129S4)-Et(icre/ERT2)14163Rdav/J
012690   B6(129S4)-Et(icre/ERT2)14208Rdav/J
012694   B6(129S4)-Et(icre/ERT2)14915Rdav/J
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022356   B6(129X1)-Tg(Cd4-cre/ERT2)11Gnri/J
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012704   B6(Cg)-Crhtm1(cre)Zjh/J
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013048   B6(Cg)-Etv1tm1.1(cre/ERT2)Zjh/J
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010776   B6(Cg)-Lhx6tm1(cre/ERT2)Zjh/J
010777   B6(Cg)-Pvalbtm1(cre/ERT2)Zjh/J
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016829   B6(SJL)-Pou5f1tm1.1(cre/Esr1*)Yseg/J
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018867   B6.129(Cg)-Axin2tm1(cre/ERT2)Rnu/J
021882   B6.129(Cg)-Fostm1.1(cre/ERT2)Luo/J
016959   B6.129(Cg)-Foxp3tm4(YFP/cre)Ayr/J
023055   B6.129(Cg)-Krt12tm3(cre)Wwk/J
008463   B6.129-Gt(ROSA)26Sortm1(cre/ERT2)Tyj/J
008320   B6.129-Leprtm2(cre)Rck/J
017526   B6.129-Nos1tm1(cre)Mgmj/J
005697   B6.129-Otx1tm4(cre)Asim/J
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016934   B6.129P2-Lgr6tm2.1(cre/ERT2)Cle/J
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017320   B6.129P2-Pvalbtm1(cre)Arbr/J
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017915   B6.129S(Cg)-Pgrtm1.1(cre)Shah/AndJ
013594   B6.129S-Atoh1tm5.1(Cre/PGR)Hzo/J
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024637   B6.129S1(SJL)-Nkx2-5tm2(cre)Rph/J
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009350   B6.Cg-Tg(CDX2-cre)101Erf/J
009352   B6.Cg-Tg(CDX2-cre*)189Erf/J
005359   B6.Cg-Tg(Camk2a-cre)T29-1Stl/J
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012849   B6.Cg-Tg(GFAP-cre/ERT2)505Fmv/J
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014551   B6;129S4-Dlx1tm1(cre/ERT2)Zjh/J
012463   B6;129S4-Foxd1tm1(GFP/cre)Amc/J
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024948   B6;129S6-Gdnftm1(cre/ERT2)Cos/J
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009616   B6;C3-Tg(A930038C07Rik-cre)4Aibs/J
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008844   B6;C3-Tg(Ctgf-cre)2Aibs/J
008839   B6;C3-Tg(Cyp39a1-cre)1Aibs/J
009117   B6;C3-Tg(Cyp39a1-cre)7Aibs/J
008848   B6;C3-Tg(Mybpc1-cre)2Aibs/J
009111   B6;C3-Tg(Scnn1a-cre)1Aibs/J
009112   B6;C3-Tg(Scnn1a-cre)2Aibs/J
009613   B6;C3-Tg(Scnn1a-cre)3Aibs/J
009103   B6;C3-Tg(Wfs1-cre/ERT2)3Aibs/J
024507   B6;CBA-Tg(Tbx21-cre)1Dlc/J
017494   B6;D-Tg(Tshz3-GFP/cre)43Amc/J
024926   B6;D2-Tg(Fshr-cre)1Ldu/J
003466   B6;D2-Tg(Sycp1-cre)4Min/J
014160   B6;DBA-Tg(S100b-EGFP/cre/ERT2)22Amc/J
014159   B6;DBA-Tg(Tmem100-EGFP/cre/ERT2)30Amc/J
015855   B6;DBA-Tg(Upk3a-GFP/cre/ERT2)26Amc/J
010803   B6;FVB-Tg(Adipoq-cre)1Evdr/J
018422   B6;FVB-Tg(Aicda-cre)1Rcas/J
023748   B6;FVB-Tg(Aldh1l1-cre)JD1884Gsat/J
011087   B6;FVB-Tg(Crh-cre)1Kres/J
008533   B6;FVB-Tg(Cspg4-cre)1Akik/J
003734   B6;FVB-Tg(GZMB-cre)1Jcb/J
004426   B6;SJL-Tg(Cga-cre)3Sac/J
003554   B6;SJL-Tg(Col2a1-cre)1Bhr/J
017738   B6;SJL-Tg(Foxl1-cre)1Khk/J
005249   B6;SJL-Tg(Krt1-15-cre/PGR)22Cot/J
007610   B6;SJL-Tg(Thy1-cre/ERT2,-EYFP)VGfng/J
007252   B6Ei.129S4-Tg(Prm-cre)58Og/EiJ
018956   B6N.129P2(B6)-Lyz2tm1(cre)Ifo/J
018958   B6N.129P2-Cd19tm1(cre)Cgn/J
021077   B6N.129S1-Mrgprb4tm3(cre)And/J
018957   B6N.129S6(B6)-Chattm2(cre)Lowl/J
017911   B6N.129S6(Cg)-Esr1tm1.1(cre)And/J
019013   B6N.129S6(Cg)-Gt(ROSA)26Sortm2(EGFP/cre)Alj/J
016225   B6N.129S6(Cg)-Scgb1a1tm1(cre/ERT)Blh/J
018974   B6N.B6-Tg(Nr4a1-EGFP/cre)820Khog/J
019021   B6N.Cg-Ccktm1.1(cre)Zjh/J
019022   B6N.Cg-Gad2tm2(cre)Zjh/J
018973   B6N.Cg-Ssttm2.1(cre)Zjh/J
018961   B6N.Cg-Tg(Alb-cre)21Mgn/J
019102   B6N.Cg-Tg(CAG-cre/Esr1*)5Amc/CjDswJ
018966   B6N.Cg-Tg(Camk2a-cre)T29-1Stl/J
018965   B6N.Cg-Tg(Fabp4-cre)1Rev/J
017310   B6N.Cg-Tg(Hsd17b1-icre/ERT2)3Casa/J
018960   B6N.Cg-Tg(Ins2-cre)25Mgn/J
018967   B6N.Cg-Tg(Itgax-cre)1-1Reiz/J
018964   B6N.Cg-Tg(KRT14-cre)1Amc/J
019103   B6N.Cg-Tg(Nes-cre)1Kln/CjDswJ
014094   B6N.Cg-Tg(Sox2-cre)1Amc/J
018968   B6N.Cg-Tg(Vav1-cre)A2Kio/J
018963   B6N.Cg-Tg(Vil-cre)997Gum/J
018972   B6N.FVB(B6)-Tg(Myh6-cre)2182Mds/J
019099   B6N.FVB-Tg(ACTB-cre)2Mrt/CjDswJ
019509   B6N.FVB-Tg(BGLAP-cre)1Clem/J
023047   B6N.FVB-Tg(Dmp1-cre)1Jqfe/BwdJ
017927   B6N.FVB-Tg(Mpz-cre)26Mes/J
010550   B6N.FVB-Tg(Penk-glc-2-cre/ERT2)2And/J
017743   B6N;129S-Prom1tm1(cre/ERT2)Gilb/J
003465   BALB/c-Tg(CMV-cre)1Cgn/J
012641   BALB/c-Tg(S100a4-cre)1Egn/YunkJ
010612   C.129P2(Cg)-Ighg1tm1(IRES-cre)Cgn/J
017353   C.129S4(B6)-Il13tm1(YFP/cre)Lky/J
017582   C.129S4(B6)-Mcpt8tm1(cre)Lky/J
004126   C.Cg-Cd19tm1(cre)Cgn Ighb/J
005673   C.Cg-Tg(Mx1-cre)1Cgn/J
006244   C.Cg-Tg(tetO-cre)1Jaw/J
009155   C57BL/6-Cldn6tm1(cre)Dkwu/J
017557   C57BL/6-Tg(BEST1-cre)1Jdun/J
016097   C57BL/6-Tg(Car1-cre)5Flt/J
011086   C57BL/6-Tg(Cck-cre)CKres/J
008766   C57BL/6-Tg(Cd8a-cre)1Itan/J
008314   C57BL/6-Tg(HBB-cre)12Kpe/J
008870   C57BL/6-Tg(Hspa2-cre)1Eddy/J
023426   C57BL/6-Tg(Kiss1-cre)J2-4Cfe/J
016261   C57BL/6-Tg(Nes-cre/ERT2)KEisc/J
012906   C57BL/6-Tg(Nes-cre/Esr1*)1Kuan/J
016617   C57BL/6-Tg(Nr4a1-EGFP/cre)820Khog/J
020287   C57BL/6-Tg(Pbsn-cre/Esr1*)14Abch/J
013148   C57BL/6-Tg(Pdgfra-cre)1Clc/J
008535   C57BL/6-Tg(Pf4-cre)Q3Rsko/J
024034   C57BL/6-Tg(Pmch-cre)1Rck/J
016583   C57BL/6-Tg(Slc6a3-icre/ERT2)2Gloss/J
006888   C57BL/6-Tg(Zp3-cre)1Gwh/J
003651   C57BL/6-Tg(Zp3-cre)93Knw/J
021119   C57BL/6J-Tg(Dlx2-cre,-mCherry)4Grsr/GrsrJ
021423   C57BL/6J-Tg(Dlx2-cre,-mCherry)9Grsr/GrsrJ
007567   C57BL/6J-Tg(Itgax-cre,-EGFP)4097Ach/J
018895   C57BL/6J-Tg(Krt6,-cre,-Cerulean)1Grsr/Grsr
018896   C57BL/6J-Tg(Krt6,-cre,-Cerulean)2Grsr/Grsr
018898   C57BL/6J-Tg(Krt6,-cre,-Cerulean)4Grsr/Grsr
018899   C57BL/6J-Tg(Krt6,-cre,-Cerulean)5Grsr/Grsr
021582   C57BL/6J-Tg(Mchr1-cre)1Emf/J
008661   C57BL/6J-Tg(Nkx2-1-cre)2Sand/J
018754   C57BL/6J-Tg(Tbx22,-cre,-mCherry)1Grsr/GrsrJ
019363   C57BL/6J-Tg(Trp63,-cre,-Cerulean)10Grsr/Grsr
018792   C57BL/6J-Tg(Trp63,-cre,-Cerulean)4Grsr/GrsrJ
003650   C57BL/6J-Tg(Zp3-cre)82Knw/KnwJ
018151   C57BL/6N-Krt17tm1(cre,Cerulean)Murr/GrsrJ
023014   C57BL/6N-Tg(Calcrl,cre)4688Nkza/J
012686   C57BL/6N-Tg(Ppp1r2-cre)4127Nkza/J
016582   C57BL/6N-Tg(Slc32a1-icre/ERT2)3Gloss/J
024701   D2.Cg-Tg(Plp1-cre/ERT)3Pop/SjJ
016833   FVB(Cg)-Tg(Alb1-cre)1Dlr/J
012929   FVB(Cg)-Tg(Dhh-cre)1Mejr/J
011034   FVB(Cg)-Tg(Ghrhr-cre)3242Lsk/J
023407   FVB-HhatTg(TFAP2A-cre)1Will/J
006405   FVB-Tg(Ckmm-cre)5Khn/J
006774   FVB-Tg(Col2a1-cre/ERT)KA3Smac/J
021024   FVB-Tg(Csf1r-icre)1Jwp/J
006954   FVB-Tg(Ddx4-cre)1Dcas/J
004600   FVB-Tg(GFAP-cre)25Mes/J
011037   FVB-Tg(Myh6-cre)2182Mds/J
006364   FVB-Tg(Nr5a1-cre)2Lowl/J
008537   FVB-Tg(Tek-cre)2352Rwng/J
019382   FVB.Cg-Myh9tm1.1Gac Tg(NPHS2-cre)295Lbh/Mmjax
014140   FVB.Cg-Myod1tm2.1(icre)Glh/J
006139   FVB.Cg-Tg(ACTA1-cre)79Jme/J
017595   FVB.Cg-Tg(CAG-cre/Esr1*)5Amc/J
006297   FVB.Cg-Tg(Eno2-cre)39Jme/J
018394   FVB.Cg-Tg(KRT5-cre/ERT2)2Ipc/JeldJ
008244   FVB.Cg-Tg(tetO-cre)1Jaw/J
003376   FVB/N-Tg(ACTB-cre)2Mrt/J
024384   FVB/N-Tg(AMELX-cre)A1Kul/J
003314   FVB/N-Tg(EIIa-cre)C5379Lmgd/J
017928   FVB/N-Tg(Mpz-cre)26Mes/J
006143   FVB/N-Tg(Thy1-cre)1Vln/J
003377   FVB/N-Tg(Zp3-cre)3Mrt/J
023325   FVB;B6-Tg(Pbsn-cre)20Fwan/J
019096   NOD.129P2(B6)-Lyz2tm1(cre)Ifo/NadlJ
013233   NOD.B6-Tg(Itgax-cre,-EGFP)4097Ach/J
013234   NOD.Cg-Tg(Cd4-cre)1Cwi/2AchJ
023972   NOD.Cg-Tg(Ins2-cre/ERT)1Dam/SbwJ
023203   NOD.Cg-Tg(Itgax-cre)1-1Reiz/PesaJ
005732   NOD.Cg-Tg(Lck-cre)548Jxm/AchJ
023973   NOD.Cg-Tg(Neurog3-cre)1Dam/SbwJ
013251   NOD.FVB-Tg(EIIa-cre)C5379Lmgd/J
008694   NOD/ShiLt-Tg(Foxp3-EGFP/cre)1cJbs/J
004986   NOD/ShiLt-Tg(Ins2-cre)3Lt/LtJ
003855   NOD/ShiLt-Tg(Ins2-cre)5Lt/LtJ
004987   NOD/ShiLt-Tg(Ins2-cre)6Lt/LtJ
012899   STOCK Agrptm1(cre)Lowl/J
012882   STOCK Ascl1tm1.1(Cre/ERT2)Jejo/J
012706   STOCK Ccktm1.1(cre)Zjh/J
012710   STOCK Ccktm2.1(cre/ERT2)Zjh/J
010910   STOCK Corttm1(cre)Zjh/J
007916   STOCK En1tm2(cre)Wrst/J
007917   STOCK En1tm7(cre/ESR1)Alj/J
007924   STOCK En2tm4(cre/ERT2)Alj/J
008464   STOCK Foxa2tm2.1(cre/Esr1*)Moon/J
016961   STOCK Foxp3tm9(EGFP/cre/ERT2)Ayr/J
010702   STOCK Gad2tm1(cre/ERT2)Zjh/J
010802   STOCK Gad2tm2(cre)Zjh/J
022135   STOCK Gbx2tm1.1(cre/ERT2)Jyhl/J
007913   STOCK Gli1tm3(cre/ERT2)Alj/J
018903   STOCK Gt(ROSA)26Sortm2(EGFP/cre)Alj/J
024283   STOCK Hcn4tm2.1(cre/ERT2)Sev/J
017606   STOCK Hopxtm2.1(cre/ERT2)Joe/J
008876   STOCK Hprttm11(Ple176-EGFP/cre)Ems/Mmjax
016879   STOCK Il17atm1.1(icre)Stck/J
024242   STOCK Isl1tm1(cre)Sev/J
018976   STOCK Kdrtm1(cre)Sato/J
017701   STOCK Kiss1tm1.1(cre/EGFP)Stei/J
007022   STOCK Mnx1tm4(cre)Tmj Tg(SMN2)89Ahmb Smn1tm1Msd Tg(SMN2*delta7)4299Ahmb/J
004192   STOCK Mttptm2Sgy Ldlrtm1Her Apobtm2Sgy Tg(Mx1-cre)1Cgn/J
023342   STOCK Myf5tm1(cre/Esr1*)Trdo/J
024713   STOCK Myl1tm1(cre)Sjb/J
014180   STOCK Myocdtm1(cre)Jomm/J
014552   STOCK Nkx2-1tm1.1(cre/ERT2)Zjh/J
017536   STOCK Nkx6-2tm1(cre/ERT2)Fsh/J
006953   STOCK Notch1tm3(cre)Rko/J
006677   STOCK Olfr151tm28(cre)Mom/MomJ
011103   STOCK Olig2tm2(TVA,cre)Rth/J
009061   STOCK Osr1tm1(EGFP/cre/ERT2)Amc/J
010530   STOCK Pax7tm1(cre)Mrc/J
017569   STOCK Polr2atm1(cre/ERT2)Bbd E4f1tm1.1Llca/J
017585   STOCK Polr2atm1(cre/ERT2)Bbd/J
022757   STOCK Prg4tm1(GFP/cre/ERT2)Abl/J
019378   STOCK Ptf1atm2(cre/ESR1)Cvw/J
016963   STOCK Slc17a6tm2(cre)Lowl/J
016962   STOCK Slc32a1tm2(cre)Lowl/J
013044   STOCK Ssttm2.1(cre)Zjh/J
019508   STOCK Tcf21tm3.1(cre/Esr1*)Eno/J
012719   STOCK Tgfb3tm1(cre)Vk/J
012620   STOCK Trp53tm1Brd Brca1tm1Aash Tg(LGB-cre)74Acl/J
008813   STOCK Trpa1tm2Kykw Tg(CAG-cre/Esr1*)5Amc/J
010908   STOCK Viptm1(cre)Zjh/J
010911   STOCK Wt1tm1(EGFP/cre)Wtp/J
010912   STOCK Wt1tm2(cre/ERT2)Wtp/J
012691   STOCK Et(icre/ERT2)14374Rdav/J
012692   STOCK Et(icre/ERT2)14602Rdav/J
012693   STOCK Et(icre/ERT2)14624Rdav/J
007684   STOCK Tg(Atoh1-cre/Esr1*)14Fsh/J
008783   STOCK Tg(CAG-cre/Esr1*)5Amc Smn1tm3(SMN2/Smn1)Mrph Tg(SMN2*delta7)4299Ahmb Tg(SMN2)89Ahmb/J
004453   STOCK Tg(CAG-cre/Esr1*)5Amc/J
009615   STOCK Tg(Cartpt-cre)1Aibs/J
017336   STOCK Tg(Cd4-cre)1Cwi/BfluJ
005105   STOCK Tg(Chx10-EGFP/cre,-ALPP)2Clc/J
008861   STOCK Tg(Ela1-Cre/ERT2)1Stof/J
008852   STOCK Tg(En2-cre)22Alj/J
005938   STOCK Tg(Eno2-cre)39Jme/J
022763   STOCK Tg(Eno2-cre/ERT2)1Pohlk/J
011062   STOCK Tg(Gdf9-cre)5092Coo/J
012841   STOCK Tg(Ggt1-cre)M3Egn/J
021207   STOCK Tg(Gnrh1-cre)1Dlc/J
017981   STOCK Tg(Hoxb6-cre)#Mku/J
004692   STOCK Tg(Hoxb7-cre)13Amc/J
014600   STOCK Tg(I12b-cre/ERT2,-ALPP)37Fsh/J
008122   STOCK Tg(Ins2-cre/ERT)1Dam/J
004782   STOCK Tg(KRT14-cre)1Amc/J
005107   STOCK Tg(KRT14-cre/ERT)20Efu/J
008582   STOCK Tg(Kcnc2-Cre)K128Stl/LetJ
017836   STOCK Tg(LGB-cre)74Acl/J
003551   STOCK Tg(MMTV-cre)1Mam/J
003553   STOCK Tg(MMTV-cre)4Mam/J
002527   STOCK Tg(Mx1-cre)1Cgn/J
009074   STOCK Tg(Myh6-cre)1Jmk/J
005650   STOCK Tg(Myh6-cre/Esr1*)1Jmk/J
009102   STOCK Tg(Nefh-cre)12Kul/J
002858   STOCK Tg(Nes-cre)1Wme/J
002859   STOCK Tg(Nes-cre)2Wme/J
012859   STOCK Tg(Neurog1-cre)1Jejo/J
005667   STOCK Tg(Neurog3-cre)C1Able/J
008119   STOCK Tg(Neurog3-cre/Esr1*)1Dam/J
012462   STOCK Tg(Nr5a1-cre)7Lowl/J
014158   STOCK Tg(Pax4-cre)1Dam/J
024578   STOCK Tg(Pax6-GFP/cre)1Rilm/J
006207   STOCK Tg(Pcp2-cre)1Amc/J
014099   STOCK Tg(Pmch-cre)1Lowl/J
005965   STOCK Tg(Pomc1-cre)16Lowl/J
012452   STOCK Tg(Rr5-GFP/cre)1Sapc/J
006395   STOCK Tg(Sim1-cre)1Lowl/J
009606   STOCK Tg(Six2-EGFP/cre)1Amc/J
018147   STOCK Tg(Slc17a8-icre)1Edw/SealJ
012586   STOCK Tg(Slc1a3-cre/ERT)1Nat/J
004783   STOCK Tg(Sox2-cre)1Amc/J
008208   STOCK Tg(Stra8-cre)1Reb/J
016236   STOCK Tg(TCF/Lef1-cre/ERT2)1Dje/J
004746   STOCK Tg(Tagln-cre)1Her/J
012708   STOCK Tg(Thy1-cre/ERT2,-EYFP)HGfng/PyngJ
024240   STOCK Tg(Tnnt2-cre)5Blh/JiaoJ
016584   STOCK Tg(Tph2-icre/ERT2)6Gloss/J
003829   STOCK Tg(Wnt1-cre)11Rth Tg(Wnt1-GAL4)11Rth/J
008851   STOCK Tg(Wnt1-cre/ERT)1Alj/J
018281   STOCK Tg(Wnt7a-EGFP/cre)#Bhr/Mmjax
008199   STOCK Tg(dlx6a-cre)1Mekk/J
002471   STOCK Tg(hCMV-cre)140Sau/J
023724   STOCK Tg(mI56i-cre,EGFP)1Kc/J
006224   STOCK Tg(tetO-cre)1Jaw/J
View Strains carrying other alleles of cre     (489 strains)

Additional Web Information

Introduction to Cre-lox technology


Phenotype Information

View Research Applications

Research Applications
This mouse can be used to support research in many areas including:

Neurobiology Research
Behavioral and Learning Defects
Cre-lox System
      Cre Recombinase expression in neural tissue

Research Tools
Cre-lox System
      Cre Recombinase Expression

cre related

Research Tools
Cre-lox System
Genetics Research
      Mutagenesis and Transgenesis
      Mutagenesis and Transgenesis: Cre-lox System

Genes & Alleles

Gene & Allele Information provided by MGI

Allele Symbol Tg(Grik4-cre)G32-4Stl
Allele Name transgene insertion G32-4, Susumu Tonegawa
Allele Type Transgenic (Recombinase (cre or Flp) expressing)
Common Name(s) G32-4 Cre; Grik4-Cre; KA-cre; KA1-Cre; Tg(Grik4-Cre)G32-4Stu;
Mutation Made ByDr. Susumu Tonegawa,   Massachusetts Institute of Technology
Strain of OriginC57BL/6
Site of Expressiondetectable at 14 days old in area CA3 of the hippocampus, and at 8 weeks of age, recombination is observed in nearly 100% of pyramidal cells in area CA3; recombination is also observed in other brain areas, but at distinctly lower frequencies
Expressed Gene cre, cre recombinase, bacteriophage P1
Cre recombinase is an enzyme derived from the bacteriophage P1 that specifically recognizes loxP sites. Cre has been shown to effectively mediate the excision of DNA located between loxP sites. After the excision event, the DNA ends recombine leaving a single loxP site in place of the intervening sequence.
Promoter Grik4, glutamate receptor, ionotropic, kainate 4, mouse, laboratory
Driver Note Grik4
Molecular Note The transgenic constuct consisted of the Grik4 promoter and exons 1 and 2 adjoined to the cre recombinase coding region. The Grik4 promoter was shown to drive expression in the CA3 pyramidal cell layer by staining of a mouse also harboring a lacZ reporter transgene that is expressed upon cre mediated recombination. [MGI Ref ID J:77718]


Genotyping Information

Genotyping Protocols

Generic Cre Melt Curve Analysis, Melt Curve Analysis
Generic Cre, Standard PCR

Helpful Links

Genotyping resources and troubleshooting


References provided by MGI

Selected Reference(s)

Nakazawa K; Quirk MC; Chitwood RA; Watanabe M; Yeckel MF; Sun LD; Kato A; Carr CA; Johnston D; Wilson MA; Tonegawa S. 2002. Requirement for hippocampal CA3 NMDA receptors in associative memory recall. Science 297(5579):211-8. [PubMed: 12040087]  [MGI Ref ID J:77718]

Additional References

Tg(Grik4-cre)G32-4Stl related

Christian KM; Miracle AD; Wellman CL; Nakazawa K. 2011. Chronic stress-induced hippocampal dendritic retraction requires CA3 NMDA receptors. Neuroscience 174:26-36. [PubMed: 21108993]  [MGI Ref ID J:170253]

Cravens CJ; Vargas-Pinto N; Christian KM; Nakazawa K. 2006. CA3 NMDA receptors are crucial for rapid and automatic representation of context memory. Eur J Neurosci 24(6):1771-80. [PubMed: 17004940]  [MGI Ref ID J:112944]

Dragoi G; Tonegawa S. 2013. Development of schemas revealed by prior experience and NMDA receptor knock-out. Elife 2:e01326. [PubMed: 24327561]  [MGI Ref ID J:207905]

Genetic Resource Science at The Jackson Laboratory. 2012. Expression/Specificity Patterns of Cre Alleles, 2012 MGI Direct Data Submission :.  [MGI Ref ID J:184579]

Haws ME; Kaeser PS; Jarvis DL; Sudhof TC; Powell CM. 2012. Region-specific deletions of RIM1 reproduce a subset of global RIM1alpha(-/-) phenotypes. Genes Brain Behav 11(2):201-13. [PubMed: 22103334]  [MGI Ref ID J:181676]

Hinds HL; Goussakov I; Nakazawa K; Tonegawa S; Bolshakov VY. 2003. Essential function of alpha-calcium/calmodulin-dependent protein kinase II in neurotransmitter release at a glutamatergic central synapse. Proc Natl Acad Sci U S A 100(7):4275-80. [PubMed: 12629219]  [MGI Ref ID J:82744]

Huang Y; Morozov A. 2011. Hippocampal deletion of BDNF gene attenuates gamma oscillations in area CA1 by up-regulating 5-HT3 receptor. PLoS One 6(1):e16480. [PubMed: 21298058]  [MGI Ref ID J:180943]

Ito W; Chehab M; Thakur S; Li J; Morozov A. 2011. BDNF-restricted knockout mice as an animal model for aggression. Genes Brain Behav 10(3):365-74. [PubMed: 21255268]  [MGI Ref ID J:183602]

Ivanova E; Hwang GS; Pan ZH. 2010. Characterization of transgenic mouse lines expressing Cre recombinase in the retina. Neuroscience 165(1):233-43. [PubMed: 19837136]  [MGI Ref ID J:158209]

Jinde S; Belforte JE; Yamamoto J; Wilson MA; Tonegawa S; Nakazawa K. 2009. Lack of kainic acid-induced gamma oscillations predicts subsequent CA1 excitotoxic cell death. Eur J Neurosci 30(6):1036-55. [PubMed: 19735292]  [MGI Ref ID J:153511]

Kamsler A; McHugh TJ; Gerber D; Huang SY; Tonegawa S. 2010. Presynaptic m1 muscarinic receptors are necessary for mGluR long-term depression in the hippocampus. Proc Natl Acad Sci U S A :. [PubMed: 20080609]  [MGI Ref ID J:156540]

Nakashiba T; Buhl DL; McHugh TJ; Tonegawa S. 2009. Hippocampal CA3 output is crucial for ripple-associated reactivation and consolidation of memory. Neuron 62(6):781-7. [PubMed: 19555647]  [MGI Ref ID J:157339]

Nakashiba T; Young JZ; McHugh TJ; Buhl DL; Tonegawa S. 2008. Transgenic inhibition of synaptic transmission reveals role of CA3 output in hippocampal learning. Science 319(5867):1260-4. [PubMed: 18218862]  [MGI Ref ID J:131852]

Nakazawa K; Sun LD; Quirk MC; Rondi-Reig L; Wilson MA; Tonegawa S. 2003. Hippocampal CA3 NMDA receptors are crucial for memory acquisition of one-time experience. Neuron 38(2):305-15. [PubMed: 12718863]  [MGI Ref ID J:107692]

Siegert S; Cabuy E; Scherf BG; Kohler H; Panda S; Le YZ; Fehling HJ; Gaidatzis D; Stadler MB; Roska B. 2012. Transcriptional code and disease map for adult retinal cell types. Nat Neurosci 15(3):487-95, S1-2. [PubMed: 22267162]  [MGI Ref ID J:182307]

Torborg CL; Nakashiba T; Tonegawa S; McBain CJ. 2010. Control of CA3 output by feedforward inhibition despite developmental changes in the excitation-inhibition balance. J Neurosci 30(46):15628-37. [PubMed: 21084618]  [MGI Ref ID J:166441]

Wintzer ME; Boehringer R; Polygalov D; McHugh TJ. 2014. The hippocampal CA2 ensemble is sensitive to contextual change. J Neurosci 34(8):3056-66. [PubMed: 24553945]  [MGI Ref ID J:207462]

Wu B; Yamaguchi H; Lai FA; Shen J. 2013. Presenilins regulate calcium homeostasis and presynaptic function via ryanodine receptors in hippocampal neurons. Proc Natl Acad Sci U S A 110(37):15091-6. [PubMed: 23918386]  [MGI Ref ID J:200916]

Zhang C; Wu B; Beglopoulos V; Wines-Samuelson M; Zhang D; Dragatsis I; Sudhof TC; Shen J. 2009. Presenilins are essential for regulating neurotransmitter release. Nature 460(7255):632-6. [PubMed: 19641596]  [MGI Ref ID J:150936]

Health & husbandry

Health & Colony Maintenance Information

Animal Health Reports

Room Number           AX10

Colony Maintenance

Breeding & HusbandryWhen maintaining a live colony, hemizygous mice are bred together, to wildtype siblings, or to C57BL/6J inbred mice.
Mating System+/+ sibling x Hemizygote         (Female x Male)   20-JUL-08
Diet Information LabDiet® 5K52/5K67

Pricing and Purchasing

Pricing, Supply Level & Notes, Controls

Pricing for USA, Canada and Mexico shipping destinations View International Pricing

Live Mice

Price per mouse (US dollars $)GenderGenotypes Provided
Individual Mouse $239.00Female or MaleHemizygous for Tg(Grik4-cre)G32-4Stl  
Price per Pair (US dollars $)Pair Genotype
$311.00Hemizygous for Tg(Grik4-cre)G32-4Stl x Noncarrier  
$311.00Noncarrier x Hemizygous for Tg(Grik4-cre)G32-4Stl  

Standard Supply

Repository-Live represents an exclusive set of over 1800 unique mouse models across a vast array of research areas. Breeding colonies provide mice for large and small orders and fluctuate in size depending on current research demand. If a strain is not immediately available, you will receive an estimated availability timeframe for your inquiry or order in 2-3 business days. Repository strains typically are delivered at 4 to 8 weeks of age. Requests for specific ages will be noted but not guaranteed and we do not accept age requests for breeder pairs. However, if cohorts of mice (5 or more of one gender) are needed at a specific age range for experiments, we will do our best to accommodate your age request.

Pricing for International shipping destinations View USA Canada and Mexico Pricing

Live Mice

Price per mouse (US dollars $)GenderGenotypes Provided
Individual Mouse $310.70Female or MaleHemizygous for Tg(Grik4-cre)G32-4Stl  
Price per Pair (US dollars $)Pair Genotype
$404.30Hemizygous for Tg(Grik4-cre)G32-4Stl x Noncarrier  
$404.30Noncarrier x Hemizygous for Tg(Grik4-cre)G32-4Stl  

Standard Supply

Repository-Live represents an exclusive set of over 1800 unique mouse models across a vast array of research areas. Breeding colonies provide mice for large and small orders and fluctuate in size depending on current research demand. If a strain is not immediately available, you will receive an estimated availability timeframe for your inquiry or order in 2-3 business days. Repository strains typically are delivered at 4 to 8 weeks of age. Requests for specific ages will be noted but not guaranteed and we do not accept age requests for breeder pairs. However, if cohorts of mice (5 or more of one gender) are needed at a specific age range for experiments, we will do our best to accommodate your age request.

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Standard Supply

Repository-Live represents an exclusive set of over 1800 unique mouse models across a vast array of research areas. Breeding colonies provide mice for large and small orders and fluctuate in size depending on current research demand. If a strain is not immediately available, you will receive an estimated availability timeframe for your inquiry or order in 2-3 business days. Repository strains typically are delivered at 4 to 8 weeks of age. Requests for specific ages will be noted but not guaranteed and we do not accept age requests for breeder pairs. However, if cohorts of mice (5 or more of one gender) are needed at a specific age range for experiments, we will do our best to accommodate your age request.

Control Information

   000664 C57BL/6J
  Considerations for Choosing Controls
  Control Pricing Information for Genetically Engineered Mutant Strains.

Payment Terms and Conditions

Terms are granted by individual review and stated on the customer invoice(s) and account statement. These transactions are payable in U.S. currency within the granted terms. Payment for services, products, shipping containers, and shipping costs that are rendered are expected within the payment terms indicated on the invoice or stated by contract. Invoices and account balances in arrears of stated terms may result in The Jackson Laboratory pursuing collection activities including but not limited to outside agencies and court filings.

See Terms of Use tab for General Terms and Conditions

The Jackson Laboratory's Genotype Promise

The Jackson Laboratory has rigorous genetic quality control and mutant gene genotyping programs to ensure the genetic background of JAX® Mice strains as well as the genotypes of strains with identified molecular mutations. JAX® Mice strains are only made available to researchers after meeting our standards. However, the phenotype of each strain may not be fully characterized and/or captured in the strain data sheets. Therefore, we cannot guarantee a strain's phenotype will meet all expectations. To ensure that JAX® Mice will meet the needs of individual research projects or when requesting a strain that is new to your research, we suggest ordering and performing tests on a small number of mice to determine suitability for your particular project.
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Terms of Use

Terms of Use

General Terms and Conditions

For Licensing and Use Restrictions view the link(s) below:
- Use of MICE by companies or for-profit entities requires a license prior to shipping.

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JAX® Mice, Products & Services Conditions of Use

"MICE" means mouse strains, their progeny derived by inbreeding or crossbreeding, unmodified derivatives from mouse strains or their progeny supplied by The Jackson Laboratory ("JACKSON"). "PRODUCTS" means biological materials supplied by JACKSON, and their derivatives. "RECIPIENT" means each recipient of MICE, PRODUCTS, or services provided by JACKSON including each institution, its employees and other researchers under its control. MICE or PRODUCTS shall not be: (i) used for any purpose other than the internal research, (ii) sold or otherwise provided to any third party for any use, or (iii) provided to any agent or other third party to provide breeding or other services. Acceptance of MICE or PRODUCTS from JACKSON shall be deemed as agreement by RECIPIENT to these conditions, and departure from these conditions requires JACKSON's prior written authorization.

No Warranty


In case of dissatisfaction for a valid reason and claimed in writing by a purchaser within ninety (90) days of receipt of mice, products or services, JACKSON will, at its option, provide credit or replacement for the mice or product received or the services provided.

No Liability

In no event shall JACKSON, its trustees, directors, officers, employees, and affiliates be liable for any causes of action or damages, including any direct, indirect, special, or consequential damages, arising out of the provision of MICE, PRODUCTS or services, including economic damage or injury to property and lost profits, and including any damage arising from acts or negligence on the part of JACKSON, its agents or employees. Unless prohibited by law, in purchasing or receiving MICE, PRODUCTS or services from JACKSON, purchaser or recipient, or any party claiming by or through them, expressly releases and discharges JACKSON from all such causes of action or damages, and further agrees to defend and indemnify JACKSON from any costs or damages arising out of any third party claims.

MICE and PRODUCTS are to be used in a safe manner and in accordance with all applicable governmental rules and regulations.

The foregoing represents the General Terms and Conditions applicable to JACKSON’s MICE, PRODUCTS or services. In addition, special terms and conditions of sale of certain MICE, PRODUCTS or services may be set forth separately in JACKSON web pages, catalogs, price lists, contracts, and/or other documents, and these special terms and conditions shall also govern the sale of these MICE, PRODUCTS and services by JACKSON, and by its licensees and distributors.

Acceptance of delivery of MICE, PRODUCTS or services shall be deemed agreement to these terms and conditions. No purchase order or other document transmitted by purchaser or recipient that may modify the terms and conditions hereof, shall be in any way binding on JACKSON, and instead the terms and conditions set forth herein, including any special terms and conditions set forth separately, shall govern the sale of MICE, PRODUCTS or services by JACKSON.