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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Nampttm1Oleo
targeted mutation 1, Oberdan Leo
MGI:3818627
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Nampttm1Oleo/Nampttm1Oleo
Tg(CD2-icre)4Kio/0
involves: 129P2/OlaHsd * 129S4/SvJaeSor * C57BL/10 * CBA/Ca MGI:3818632
cn2
Nampttm1Oleo/Nampttm1Oleo
Tg(Rho-icre)1Ck/0
involves: 129P2/OlaHsd * C57BL/6 * SJL MGI:6383809
cn3
Nampttm1Oleo/Nampttm1Oleo
Tg(OPN1LW-cre)4Yzl/0
involves: 129P2/OlaHsd * FVB/N MGI:6383810


Genotype
MGI:3818632
cn1
Allelic
Composition
Nampttm1Oleo/Nampttm1Oleo
Tg(CD2-icre)4Kio/0
Genetic
Background
involves: 129P2/OlaHsd * 129S4/SvJaeSor * C57BL/10 * CBA/Ca
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nampttm1Oleo mutation (1 available); any Nampt mutation (91 available)
Tg(CD2-icre)4Kio mutation (6 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• thymic cell numbers are decreased 95% compared to in wild-type mice
• mice exhibit a near complete lack of peripheral B cells
• mice exhibit a near complete lack of peripheral T cells
• mice exhibit a near complete absence of double negative T cells compared to in wild-type mice

hematopoietic system
• thymic cell numbers are decreased 95% compared to in wild-type mice
• mice exhibit a near complete lack of peripheral B cells
• mice exhibit a near complete lack of peripheral T cells
• mice exhibit a near complete absence of double negative T cells compared to in wild-type mice

endocrine/exocrine glands
• thymic cell numbers are decreased 95% compared to in wild-type mice




Genotype
MGI:6383809
cn2
Allelic
Composition
Nampttm1Oleo/Nampttm1Oleo
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nampttm1Oleo mutation (1 available); any Nampt mutation (91 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• secondary with pallor by 6 weeks
• rounded and constricted with loss of cristae in the retinal mitochondria by 4 weeks
• cytoplasmic vacuoles containing degenerating organelles including ruptured mitochondria
• by 6 weeks with massive atrophy of the neurosensory retina and vascular attenuation with pigment mottling
• however, nicotinamide mononucleotide treatment rescued regeneration
• progressive and almost completely absent by 6 weeks
• reduced b-waves amplitudes by 6 weeks of age
• reduced visual acuity by 6 weeks of age
• however, nicotinamide mononucleotide treatment rescued function
• reduced a-waves amplitudes by 6 weeks of age
• however, nicotinamide mononucleotide treatment rescued function

cellular
• rounded and constricted with loss of cristae in the retinal mitochondria by 4 weeks
• loss of cristae in the retinal mitochondria by 4 weeks

nervous system
• by 6 weeks with massive atrophy of the neurosensory retina and vascular attenuation with pigment mottling
• however, nicotinamide mononucleotide treatment rescued regeneration
• secondary with pallor by 6 weeks

pigmentation




Genotype
MGI:6383810
cn3
Allelic
Composition
Nampttm1Oleo/Nampttm1Oleo
Tg(OPN1LW-cre)4Yzl/0
Genetic
Background
involves: 129P2/OlaHsd * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nampttm1Oleo mutation (1 available); any Nampt mutation (91 available)
Tg(OPN1LW-cre)4Yzl mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• at 3 weeks with massive atrophy of the neurosensory retina and vascular attenuation with pigment mottling
• photopic b-wave amplitude
• reduced visual acuity
• however, nicotinamide mononucleotide treatment rescued function
• mild decline inn scotopic a- and b-wave amplitudes
• however, nicotinamide mononucleotide treatment rescued function

nervous system
• at 3 weeks with massive atrophy of the neurosensory retina and vascular attenuation with pigment mottling

pigmentation





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last database update
09/03/2024
MGI 6.24
The Jackson Laboratory