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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Abca4tm2.1Kpal
targeted mutation 2.1, Krzysztof Palczewski
MGI:5752222
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Abca4tm2.1Kpal/Abca4tm2.1Kpal involves: 129 * 129S4/SvJaeSor * 129S6/SvEvTac * C57BL/6 * C57BL/6N MGI:5754499
cx2
Abca4tm2.1Kpal/Abca4tm2.1Kpal
Gnat1tm1Clma/Gnat1tm1Clma
involves: 129 * C57BL/6 * C57BL/6N MGI:5754501


Genotype
MGI:5754499
hm1
Allelic
Composition
Abca4tm2.1Kpal/Abca4tm2.1Kpal
Genetic
Background
involves: 129 * 129S4/SvJaeSor * 129S6/SvEvTac * C57BL/6 * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Abca4tm2.1Kpal mutation (0 available); any Abca4 mutation (107 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• retinal pigment epithelium exhibits increased irregular-shaped dark granules indicative of lipofuscin deposits

vision/eye
N
• mice do not exhibit evidence of photoreceptor degeneration up to 12 months of age or Muller glia activation at 1 or 6 months of age and photoreceptor dark adaptation is unaffected




Genotype
MGI:5754501
cx2
Allelic
Composition
Abca4tm2.1Kpal/Abca4tm2.1Kpal
Gnat1tm1Clma/Gnat1tm1Clma
Genetic
Background
involves: 129 * C57BL/6 * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Abca4tm2.1Kpal mutation (0 available); any Abca4 mutation (107 available)
Gnat1tm1Clma mutation (1 available); any Gnat1 mutation (20 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• increase in lipofuscin autofluorescence in the fundus

vision/eye
• cone responses appear somewhat faster than those of control single Gnat1 homozygotes
• the maximum cone response amplitude is about 20% lower than in single Gnat1 homozygous controls
• the later phase of cone dark adaptation in vivo is delayed, however the early phase of cone recovery is not affected





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last database update
05/14/2024
MGI 6.23
The Jackson Laboratory