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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tg(Rho-icre)1Ck
transgene insertion 1, Ching-Kang Chen
MGI:3576662
Summary 11 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Nampttm1Oleo/Nampttm1Oleo
Tg(Rho-icre)1Ck/0
involves: 129P2/OlaHsd * C57BL/6 * SJL MGI:6383809
cn2
Atriptm1.1Pof/Atriptm1.1Pof
Tg(Rho-icre)1Ck/0
involves: 129P2/OlaHsd * C57BL/6 * SJL MGI:6505487
cn3
Pdcltm1.1Bmw/Pdcltm1.1Bmw
Tg(Rho-icre)1Ck/0
involves: 129S4/SvJaeSor * 129S6/SvEvTac * C57BL/6 * SJL MGI:5516349
cn4
Ift172tm1.1Rama/Ift172tm1.1Rama
Tg(Rho-icre)1Ck/0
involves: 129X1/SvJ * C57BL/6 * SJL MGI:6383402
cn5
Emc1em1Xjz/Emc1em1Xjz
Tg(Rho-icre)1Ck/0
involves: C57BL/6 * C57BL/6J * SJL MGI:7611972
cn6
Nudctm1c(KOMP)Mbp/Nudctm1c(KOMP)Mbp
Tg(Rho-icre)1Ck/0
involves: C57BL/6 * C57BL/6N * SJL MGI:7618543
cn7
Nmnat1tm1c(EUCOMM)Wtsi/Nmnat1tm1c(EUCOMM)Wtsi
Tg(Rho-icre)1Ck/0
involves: C57BL/6J * C57BL/6N * SJL MGI:6272877
cn8
Arl3Gt(EUCJ0159b07)1.1Hmgu/Arl3Gt(EUCJ0159b07)1.1Hmgu
Tg(Rho-icre)1Ck/0
involves: C57BL/6J * C57BL/6N * SJL MGI:6386321
cn9
Nrf1tm1c(KOMP)Wtsi/Nrf1tm1c(KOMP)Wtsi
Tg(Rho-icre)1Ck/0
involves: C57BL/6N * SJL MGI:6383436
cn10
Elovl4tm3Kzh/Elovl4tm3Kzh
Tg(Rho-icre)1Ck/?
involves: C57BL/6 * SJL MGI:5492071
cn11
Cetn1tm1Wbae/Cetn1tm1Wbae
Tg(Rho-icre)1Ck/0
involves: C57BL/6 * SJL MGI:6361417


Genotype
MGI:6383809
cn1
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 (93 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:6505487
cn2
Allelic
Composition
Atriptm1.1Pof/Atriptm1.1Pof
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:
Atriptm1.1Pof mutation (0 available); any Atrip mutation (26 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
N
• retinas show normal lamination and outer nuclear layer and mice exhibit normal visual acuity at 7 months of age




Genotype
MGI:5516349
cn3
Allelic
Composition
Pdcltm1.1Bmw/Pdcltm1.1Bmw
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: 129S4/SvJaeSor * 129S6/SvEvTac * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pdcltm1.1Bmw mutation (0 available); any Pdcl mutation (23 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• about 25% shortening of outer segments relative to controls at 35 days
• the very few rods remaining at 6 months are malformed with almost no outer segment
• progressive photoreceptor degeneration
• no loss at 1 month
• definite losses at 2 months
• half of nuclei are lost by 3-4 months
• almost all nuclei are lost by 9 months
• reduced response to light flashes
• twelve fold increase in light intensity required for a 1/2 saturating response
• considerable reduction in light sensitivity and response amplitude
• seventeen fold desensitization for the a-wave and a two fold reduction in maximal response
• 25% decrease in response amplitude
• 3.8 fold reduction in signal amplification rate
• substantially decelerated falling phase
• 3 fold reduction in visual acuity under dim lighting
• visual acuity is normal under bright lights
• recovery time constant is increased five fold

nervous system
• about 25% shortening of outer segments relative to controls at 35 days
• the very few rods remaining at 6 months are malformed with almost no outer segment
• progressive photoreceptor degeneration
• no loss at 1 month
• definite losses at 2 months
• half of nuclei are lost by 3-4 months
• almost all nuclei are lost by 9 months

homeostasis/metabolism
• reduced response to light flashes
• twelve fold increase in light intensity required for a 1/2 saturating response




Genotype
MGI:6383402
cn4
Allelic
Composition
Ift172tm1.1Rama/Ift172tm1.1Rama
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ift172tm1.1Rama mutation (1 available); any Ift172 mutation (75 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• outer segment disc disorganization and accumulation of extracellular debris is seen at P25 and P28
• mice show a shortening of the outer segment length at 1 month of age
• at P31, the outer segments are disorganized and appear to lose the connection with the axoneme and innersegment of the photoreceptor cell
• mice show mislocalization of photoreceptor outer segment proteins
• outer segments are fully degenerated by P31
• mice show thinning of the outer nuclear layer at 1 month, with a 38% reduction, and a complete degeneration by 2 months
• mice exhibit rapid retinal degeneration showing decreased neural retinal thickness due to thinning and eventual loss of the outer nuclear layer by 2 months of age
• however, mice do not show retinal cysts
• mixed rod/cone responses are reduced by half at 1 month of age
• by 2 months of age, the ERG is severely affected or undetectable across the stimulus conditions
• mice show an 84% reduction of rod-driven b-wave amplitude at 0.01 cd/m2 light stimulus after dark adaptation at 1 month of age
• mice show a reduction in cone-isolated b-wave amplitude at 20 cd/m2 light stimulus after light adaptation at 2 months of age, indicating secondary cone degeneration

nervous system
• outer segment disc disorganization and accumulation of extracellular debris is seen at P25 and P28
• mice show a shortening of the outer segment length at 1 month of age
• at P31, the outer segments are disorganized and appear to lose the connection with the axoneme and innersegment of the photoreceptor cell
• mice show mislocalization of photoreceptor outer segment proteins
• outer segments are fully degenerated by P31

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
retinal degeneration DOID:8466 J:262800




Genotype
MGI:7611972
cn5
Allelic
Composition
Emc1em1Xjz/Emc1em1Xjz
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: C57BL/6 * C57BL/6J * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Emc1em1Xjz mutation (0 available); any Emc1 mutation (56 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• at 2 months of age mainly in the outer nuclear layer
• at 2 months of age
• decreased thickness of the photoreceptor segment at 2 months of age
• mislocalized rhodopsin at 2 months of age
• at 2 months of age
• most signs of degeneration at 2 months of age are seen in the outer segments
• progressive degeneration with almost complete loss at 3.5 months of age
• at both the 3.0 and 10.0 cd s*m-2 flash intensity
• at both the 3.0 and 10.0 cd s*m-2 flash intensity
• reduced scotopic response with both the amplitude of the a-wave and b-wave reduced at both the 3.0 and 10.0 cd s*m-2 flash intensity

nervous system
• mislocalized rhodopsin at 2 months of age
• at 2 months of age
• most signs of degeneration at 2 months of age are seen in the outer segments
• progressive degeneration with almost complete loss at 3.5 months of age

cellular
• at 2 months of age mainly in the outer nuclear layer




Genotype
MGI:7618543
cn6
Allelic
Composition
Nudctm1c(KOMP)Mbp/Nudctm1c(KOMP)Mbp
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: C57BL/6 * C57BL/6N * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nudctm1c(KOMP)Mbp mutation (0 available); any Nudc mutation (21 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• by 3 weeks of age, apoptosis in the outer nuclear layer is detected
• mitochondria within the inner segment are smaller and are mislocalized, being dispersed within the inner segment instead of being located against the plasma membrane
• rhodopsin is retained in the outer nuclear layer and inner segment in 2- and 3-week old mice, indicating that it is not normally transported to the outer segment
• loss of photoreceptors is concurrent with loss of rod outer segment proteins, including rhodopsin and transducin
• rod photoreceptors show regions of abnormal disc overgrowth or occasional dysmorphic disc membranes
• rod cells frequently have an extended periciliary ridge and in some cases, the discs in the retina grow parallel to the axoneme
• 40% loss of rods is seen at 3 weeks of age and at 6 weeks of age, rod photoreceptors are completely degenerated, with no detectable outer segment region
• rhodopsin is retained in the outer nuclear layer and inner segment in 2- and 3-week old mice, indicating that it is not normally transported to the outer segment
• 40% loss of outer nuclear layer nuclei at 3 weeks of age, indicating early rod photoreceptor degeneration
• thinning retina at 3 weeks of age
• however, the remaining outer segments appear normal
• while a-wave implicit time is not affected at 3 weeks of age, by 6 weeks of age it is reduced in both the scotopic and photopic conditions
• scotopic a-wave amplitude is diminished and photopic a-wave amplitude is reduced at 3 weeks of age, however a-wave implicit times are not affected
• at 6 weeks of age, mice show no response in the scotopic condition and the a-wave is diminished and show a decrease in photopic a-wave amplitude
• scotopic b-wave amplitude is diminished and photopic b-wave amplitude is reduced at 3 weeks of age, however b-wave implicit times are not affected
• at 6 weeks of age, mice show no response in the scotopic condition and the b-wave is diminished and show a decrease in photopic a-wave amplitude

nervous system
• microglial activity is increased and microglia are also seen in the inner segment and in the retinal ganglion cell layer, while normal location of microglia is in the plexiform layers
• retinas show an increase in GFAP-positive Muller glial processes extending up through the retina
• mitochondria within the inner segment are smaller and are mislocalized, being dispersed within the inner segment instead of being located against the plasma membrane
• rhodopsin is retained in the outer nuclear layer and inner segment in 2- and 3-week old mice, indicating that it is not normally transported to the outer segment
• loss of photoreceptors is concurrent with loss of rod outer segment proteins, including rhodopsin and transducin
• rod photoreceptors show regions of abnormal disc overgrowth or occasional dysmorphic disc membranes
• rod cells frequently have an extended periciliary ridge and in some cases, the discs in the retina grow parallel to the axoneme
• 40% loss of rods is seen at 3 weeks of age and at 6 weeks of age, rod photoreceptors are completely degenerated, with no detectable outer segment region

cellular
• by 3 weeks of age, apoptosis in the outer nuclear layer is detected

hematopoietic system
• microglial activity is increased and microglia are also seen in the inner segment and in the retinal ganglion cell layer, while normal location of microglia is in the plexiform layers
• retinas show an increase in GFAP-positive Muller glial processes extending up through the retina

immune system
• microglial activity is increased and microglia are also seen in the inner segment and in the retinal ganglion cell layer, while normal location of microglia is in the plexiform layers
• retinas show an increase in GFAP-positive Muller glial processes extending up through the retina




Genotype
MGI:6272877
cn7
Allelic
Composition
Nmnat1tm1c(EUCOMM)Wtsi/Nmnat1tm1c(EUCOMM)Wtsi
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: C57BL/6J * C57BL/6N * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nmnat1tm1c(EUCOMM)Wtsi mutation (0 available); any Nmnat1 mutation (36 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• no rod outer segments are detectable by P15
• the outer nuclear layer is reduced at P28 but not P7, indicating that most rods are lost

vision/eye
• no rod outer segments are detectable by P15
• the outer nuclear layer is reduced at P28 but not P7, indicating that most rods are lost
• the outer nuclear layer is reduced at P28 but not P7, indicating that most rods are lost




Genotype
MGI:6386321
cn8
Allelic
Composition
Arl3Gt(EUCJ0159b07)1.1Hmgu/Arl3Gt(EUCJ0159b07)1.1Hmgu
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: C57BL/6J * C57BL/6N * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Arl3Gt(EUCJ0159b07)1.1Hmgu mutation (0 available); any Arl3 mutation (27 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• progressive, at P15 and further by P50
• begins to decline at 1 month
• reduced a- and b-waves at 1 month
• however, readings at P15 are normal

behavior/neurological
• extinct at 2 months
• however, optokinetic response at 1 month is normal

nervous system




Genotype
MGI:6383436
cn9
Allelic
Composition
Nrf1tm1c(KOMP)Wtsi/Nrf1tm1c(KOMP)Wtsi
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: C57BL/6N * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nrf1tm1c(KOMP)Wtsi mutation (0 available); any Nrf1 mutation (70 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• at 8 weeks of age
• at 8 weeks of age
• at 6 weeks of age
• at 6 weeks of age
• starting at 8 weeks of age and almost disappeared at 5 months
• b-wave amplitudes decline at 8 weeks and are undetectable beyond 10 weeks of age
• a-wave amplitudes decline at 6 weeks and are completely diminished at 3 months of age

cellular
• more rounded shape in rod cells with clustering of mitochondria near the outer limiting membrane unlike in wild-type cells
• 2.5 times in rod cells of the inner segment
• reduced COX activity in rod cells of the inner segment

nervous system
• at 8 weeks of age
• at 8 weeks of age
• at 6 weeks of age
• at 6 weeks of age




Genotype
MGI:5492071
cn10
Allelic
Composition
Elovl4tm3Kzh/Elovl4tm3Kzh
Tg(Rho-icre)1Ck/?
Genetic
Background
involves: C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Elovl4tm3Kzh mutation (0 available); any Elovl4 mutation (36 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
N
• no abnormalities
• normal ERG and normal visual performance up to 6.5 months
• statistically significant decrease in very long chain polyunsaturated fatty acid content of rods

homeostasis/metabolism
• statistically significant decrease in very long chain polyunsaturated fatty acid content of rods
• decreases by 97.6%

nervous system
• statistically significant decrease in very long chain polyunsaturated fatty acid content of rods




Genotype
MGI:6361417
cn11
Allelic
Composition
Cetn1tm1Wbae/Cetn1tm1Wbae
Tg(Rho-icre)1Ck/0
Genetic
Background
involves: C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cetn1tm1Wbae mutation (0 available); any Cetn1 mutation (2 available)
Tg(Rho-icre)1Ck mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
N
• electroretinograms show no significant differences in scotopic ERG a-wave amplitudes relative to controls





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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory