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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Trpc6tm1Lbi
targeted mutation 1, Lutz Birnbaumer
MGI:3623135
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Trpc6tm1Lbi/Trpc6tm1Lbi involves: 129S/SvEv MGI:5296037
hm2
Trpc6tm1Lbi/Trpc6tm1Lbi involves: 129S/SvEv * C57BL/6J MGI:3623137
cx3
Trpc1tm1Lbi/Trpc1tm1Lbi
Trpc4tm1Bni/Trpc4tm1Bni
Trpc6tm1Lbi/Trpc6tm1Lbi
involves: 129S/SvEv * 129S1/Sv * 129X1/SvJ MGI:3810160


Genotype
MGI:5296037
hm1
Allelic
Composition
Trpc6tm1Lbi/Trpc6tm1Lbi
Genetic
Background
involves: 129S/SvEv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Trpc6tm1Lbi mutation (1 available); any Trpc6 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• at one light intensity, intrinsically photosensitive retinal ganglion cells exhibit enhanced spike activity compared with wild-type cells
• M1 and M2 intrinsically photosensitive retinal ganglion cells exhibit reduced amplitude of response to light stimulation and inward current compared to in wild-type mice




Genotype
MGI:3623137
hm2
Allelic
Composition
Trpc6tm1Lbi/Trpc6tm1Lbi
Genetic
Background
involves: 129S/SvEv * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Trpc6tm1Lbi mutation (1 available); any Trpc6 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• mean arterial blood pressure as measured by telemetric sensors is singificantly higher in homozygous mutant mice than in wild-type littermates; administration of a nitric oxide synthase inhibitor results in greater elevation of the blood pressure of mutant than of wild-type mice
• basal Ba2+ influx into single smooth muscle cells is greatly elevated in cells from thoracic aortae or cerebral aerteries of mutant mice versus from wild-type littermates, and increases further upon application of a diacylglycerol (DAG) analog; infection by adenovirus expressing siRNA against Trpc3 mRNA significantly diminishes the basal Ba2+ flux in mutant smooth muscle cells, but has no effect in wild-type cells
• whole-cell patch clamp recording of cerebral artery smooth muscle cells demonstrates higher basal current densities and a more depolarized membrane potential in mutant than in wild-type cells
• although intravascular pressure causes a similar degree of vasoconstriction of cerebral arteries from wild-type and mutant littermates, the pressure at which myogenic dilatation reverses to myogenic constriction is significantly lower in mutant arteries
• aortic rings and small mesenteric arteries from homozygous mutant mice are induced to greater contractility than are vessels from wild-type littermates by the alpha-1-adrenoreceptor agonist phenylephrine both in the absence and in the presence of the voltage-gated Ca2+ channel blocker CdCl2

muscle
• basal Ba2+ influx into single smooth muscle cells is greatly elevated in cells from thoracic aortae or cerebral aerteries of mutant mice versus from wild-type littermates, and increases further upon application of a diacylglycerol (DAG) analog; infection by adenovirus expressing siRNA against Trpc3 mRNA significantly diminishes the basal Ba2+ flux in mutant smooth muscle cells, but has no effect in wild-type cells
• whole-cell patch clamp recording of cerebral artery smooth muscle cells demonstrates higher basal current densities and a more depolarized membrane potential in mutant than in wild-type cells
• although intravascular pressure causes a similar degree of vasoconstriction of cerebral arteries from wild-type and mutant littermates, the pressure at which myogenic dilatation reverses to myogenic constriction is significantly lower in mutant arteries
• aortic rings and small mesenteric arteries from homozygous mutant mice are induced to greater contractility than are vessels from wild-type littermates by the alpha-1-adrenoreceptor agonist phenylephrine both in the absence and in the presence of the voltage-gated Ca2+ channel blocker CdCl2




Genotype
MGI:3810160
cx3
Allelic
Composition
Trpc1tm1Lbi/Trpc1tm1Lbi
Trpc4tm1Bni/Trpc4tm1Bni
Trpc6tm1Lbi/Trpc6tm1Lbi
Genetic
Background
involves: 129S/SvEv * 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Trpc1tm1Lbi mutation (1 available); any Trpc1 mutation (41 available)
Trpc4tm1Bni mutation (0 available); any Trpc4 mutation (60 available)
Trpc6tm1Lbi mutation (1 available); any Trpc6 mutation (68 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• normal mGluR1 (Grm1) mediated synaptic transmission
• normal slow EPSC





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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory