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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Cptm1Hrs
targeted mutation 1, Z Leah Harris
MGI:1857981
Summary 7 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Cptm1Hrs/Cptm1Hrs involves: 129X1/SvJ * Black Swiss MGI:3044689
cn2
Cptm1Hrs/Cptm1Hrs
Hephtm1.1Jdun/Hephtm1.1Jdun
Tg(BEST1-cre)1Jdun/0
involves: 129X1/SvJ * C57BL/6 * C57BL/6NTac MGI:5490772
cn3
Cptm1Hrs/Cptm1Hrs
Hephtm1.1Jdun/Hephtm1.1Jdun
Tg(BEST1-cre)1Jdun/0
Tg(Rho-cre)#Yzl/0
involves: 129X1/SvJ * C57BL/6 * C57BL/6NTac MGI:5490775
cn4
Cptm1Hrs/Cptm1Hrs
Hephtm1.1Jdun/Hephtm1.1Jdun
Tg(Rho-cre)#Yzl/0
involves: 129X1/SvJ * C57BL/6NTac MGI:5490774
cx5
Cptm1Hrs/Cptm1Hrs
Hephsla/Hephsla
involves: 129X1/SvJ MGI:5490776
cx6
Cptm1Hrs/Cptm1Hrs
Hephsla/Y
involves: 129X1/SvJ * C57BL/6 MGI:3767200
cx7
Cptm1Hrs/Cptm1Hrs
Hephtm1.2Jdun/Hephtm1.2Jdun
involves: 129X1/SvJ * C57BL/6 * C57BL/6NTac MGI:5490771


Genotype
MGI:3044689
hm1
Allelic
Composition
Cptm1Hrs/Cptm1Hrs
Genetic
Background
involves: 129X1/SvJ * Black Swiss
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cptm1Hrs mutation (1 available); any Cp mutation (76 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Increase in storage iron content in Cptm1Hrs/Cptm1Hrs liver and spleen

homeostasis/metabolism
• homozygotes showed elevated serum ferritin
• aceruloplasminemic mice showed normal copper gastrointestinal absorption, hepatic uptake, and biliary copper excretion
• the copper content of brain, heart, spleen, and kidney was normal, and homozygotes exhibited normal copper-zinc superoxide dismutase activity in these tissues
• notably, hepatic copper content was significantly elevated in aceruloplasminemic mice
• ferrokinetic studies showed normal rates of iron absorption, initial tissue iron distribution, and plasma iron turnover
• no differences were detected in cellular iron uptake; however, homozygotes displayed a significant impairment in hepatocyte iron efflux
• at 1 year of age, there was no evidence of diabetes, anemia, or neurological deficits despite iron accumulation in these sites
• progressive accumulation of parenchymal iron, reaching a 3- to 6-fold increase in the iron content of the spleen by 1 year of age
• the spleen displayed normal cellular architecture with abundant iron in reticuloendothelial cells
• progressive accumulation of parenchymal iron, reaching a 3- to 6-fold increase in the iron content of the liver by 1 year of age (J:57730)
• the liver displayed normal cellular architecture with abundant iron in reticuloendothelial cells (J:57730)
• hepatic iron displayed a 3.5-fold increase in aceruloplasminemic mice due to loss of ferroxidase function (J:71807)

hematopoietic system
N
• the hemoglobin concentration remained normal relative to wild-type
• progressive accumulation of parenchymal iron, reaching a 3- to 6-fold increase in the iron content of the spleen by 1 year of age
• the spleen displayed normal cellular architecture with abundant iron in reticuloendothelial cells

liver/biliary system
• aceruloplasminemic mice showed normal copper gastrointestinal absorption, hepatic uptake, and biliary copper excretion
• the copper content of brain, heart, spleen, and kidney was normal, and homozygotes exhibited normal copper-zinc superoxide dismutase activity in these tissues
• notably, hepatic copper content was significantly elevated in aceruloplasminemic mice
• progressive accumulation of parenchymal iron, reaching a 3- to 6-fold increase in the iron content of the liver by 1 year of age (J:57730)
• the liver displayed normal cellular architecture with abundant iron in reticuloendothelial cells (J:57730)
• hepatic iron displayed a 3.5-fold increase in aceruloplasminemic mice due to loss of ferroxidase function (J:71807)

immune system
• progressive accumulation of parenchymal iron, reaching a 3- to 6-fold increase in the iron content of the spleen by 1 year of age
• the spleen displayed normal cellular architecture with abundant iron in reticuloendothelial cells

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
aceruloplasminemia DOID:0050711 OMIM:604290
J:57730 , J:71807




Genotype
MGI:5490772
cn2
Allelic
Composition
Cptm1Hrs/Cptm1Hrs
Hephtm1.1Jdun/Hephtm1.1Jdun
Tg(BEST1-cre)1Jdun/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * C57BL/6NTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cptm1Hrs mutation (1 available); any Cp mutation (76 available)
Hephtm1.1Jdun mutation (0 available); any Heph mutation (10 available)
Tg(BEST1-cre)1Jdun mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• retinal pigment epithelium (RPE) cells exhibit atrophy, hypertrophy and large vacuoles with cells extruded into the photoreceptor layer
• however, PRE cells are not auto-fluorescent

homeostasis/metabolism
• increased iron accumulation in the retinal pigment epithelium at 3 months of age
• increased transferrin receptor levels are decreased in the retinal pigment epithelium and neural retinas indicating increased labile iron levels

pigmentation
• retinal pigment epithelium (RPE) cells exhibit atrophy, hypertrophy and large vacuoles with cells extruded into the photoreceptor layer
• however, PRE cells are not auto-fluorescent




Genotype
MGI:5490775
cn3
Allelic
Composition
Cptm1Hrs/Cptm1Hrs
Hephtm1.1Jdun/Hephtm1.1Jdun
Tg(BEST1-cre)1Jdun/0
Tg(Rho-cre)#Yzl/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * C57BL/6NTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cptm1Hrs mutation (1 available); any Cp mutation (76 available)
Hephtm1.1Jdun mutation (0 available); any Heph mutation (10 available)
Tg(BEST1-cre)1Jdun mutation (1 available)
Tg(Rho-cre)#Yzl mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• iron levels in retinal pigment epithelium cells are not increased beyond levels in Cptm1Hrs/Cptm1Hrs Hephtm1.1Itl/ Hephtm1.1Itl Tg(BEST1-cre)1Jdun mice
• bipolar cells exhibit an increase in L-ferritin levels




Genotype
MGI:5490774
cn4
Allelic
Composition
Cptm1Hrs/Cptm1Hrs
Hephtm1.1Jdun/Hephtm1.1Jdun
Tg(Rho-cre)#Yzl/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6NTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cptm1Hrs mutation (1 available); any Cp mutation (76 available)
Hephtm1.1Jdun mutation (0 available); any Heph mutation (10 available)
Tg(Rho-cre)#Yzl mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
N
• mice exhibit normal retinal pigment epithelium iron levels




Genotype
MGI:5490776
cx5
Allelic
Composition
Cptm1Hrs/Cptm1Hrs
Hephsla/Hephsla
Genetic
Background
involves: 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cptm1Hrs mutation (1 available); any Cp mutation (76 available)
Hephsla mutation (1 available); any Heph mutation (10 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• increased iron accumulation in the retinal pigment epithelium

vision/eye
• retinal pigment epithelium cells are auto-fluorescent

pigmentation
• retinal pigment epithelium cells are auto-fluorescent




Genotype
MGI:3767200
cx6
Allelic
Composition
Cptm1Hrs/Cptm1Hrs
Hephsla/Y
Genetic
Background
involves: 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cptm1Hrs mutation (1 available); any Cp mutation (76 available)
Hephsla mutation (1 available); any Heph mutation (10 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Accumulation of of iron in Cptm1Hrs/Cptm1Hrs Hephsla/Y retinal pigment epithelium and photoreceptors

homeostasis/metabolism
• retinas exhibit increased iron at 5-6 months of age, with highest levels in the RPE and photoreceptor outer segments (J:92620)
• levels of the cytosolic iron storage protein ferritin are increased in retinas (J:92620)
• iron accumulation in the retina and ciliary body (J:136925)

vision/eye
• subretinal macrophage infiltration is seen by 9 months of age
• iron accumulation in the nonpigmented ciliary epithelium of the ciliary body at 7 months of age
• levels of ferritin light chain (L-ferritin) are increased in the nonpigmented ciliary epithelium of 7 month old mutants
• retinas exhibit increased iron at 5-6 months of age, with highest levels in the RPE and photoreceptor outer segments (J:92620)
• neurosensory retinas (without the RPE) have higher iron levels at 3 and 6 months of age than wild-type mice (J:136925)
• levels of transferrin receptor are undetectable in the retina except for a thin layer near the junction of photoreceptor inner and outer segments (J:136925)
• levels of isoprostane F2alpha-VI are increased in 6 month old retinas, indicating oxidative stress (J:136925)
• age dependent subretinal neovascularization (J:92620)
(J:136925)
• local photoreceptor degeneration
• age dependent retinal epithelium hypertrophy, hyperplasia and necrosis (J:92620)
• iron accumulation in the retinal pigment epithelium (RPE) in 3 and 6 month old mutants (J:136925)
• accumulation of lipofuscin-like material in the retinal pigment epithelium with age (J:136925)
• retinas of mutants surviving 6-9 months exhibit focal areas of hypopigmentation in the midperipheral retina
• age dependent retinal epithelium hyperplasia (J:92620)
(J:136925)
• age-dependent retinal degeneration with neovascularization that is first visible at 7 months of age; degeneration consists of RPE hyperplasia, RPE hypertrophy, and focal photoreceptor degeneration characterized by thinning of the ONL, inner segment vacuolization, and loss of outer segments
• by 12-13 months of age, hypertrophic RPE cells are seen in 90% of the total retinal length, loss of inner and outer segments, thinning of the ONL, and subretinal macrophage infiltration, focal areas of neovascularization
• mutants surviving 6-9 months exhibit retinal degeneration
• choroidal thinning
• 9-month old mutants show activated complement in Bruch's membrane

cardiovascular system
• age dependent subretinal neovascularization (J:92620)
(J:136925)

nervous system
• local photoreceptor degeneration

pigmentation
• age dependent retinal epithelium hypertrophy, hyperplasia and necrosis (J:92620)
• iron accumulation in the retinal pigment epithelium (RPE) in 3 and 6 month old mutants (J:136925)
• accumulation of lipofuscin-like material in the retinal pigment epithelium with age (J:136925)
• retinas of mutants surviving 6-9 months exhibit focal areas of hypopigmentation in the midperipheral retina
• age dependent retinal epithelium hyperplasia (J:92620)
(J:136925)

immune system
• subretinal macrophage infiltration is seen by 9 months of age




Genotype
MGI:5490771
cx7
Allelic
Composition
Cptm1Hrs/Cptm1Hrs
Hephtm1.2Jdun/Hephtm1.2Jdun
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * C57BL/6NTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cptm1Hrs mutation (1 available); any Cp mutation (76 available)
Hephtm1.2Jdun mutation (0 available); any Heph mutation (10 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system

homeostasis/metabolism
• increased iron accumulation in the neural retina, retinal pigment epithelium cells and the choroid

nervous system
• neurodegenerative symptoms as in Cptm1Hrs Hephsla double homozygotes





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last database update
05/07/2024
MGI 6.23
The Jackson Laboratory