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Phenotypes Associated with This Genotype
Genotype
MGI:4437872
Allelic
Composition
Cyp2g1tm1(rtTA)Lane/Cyp2g1+
Tg(SFTPC-rtTA,tetO-Tnf)320-1Gwho/0
Genetic
Background
involves: 129 * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cyp2g1tm1(rtTA)Lane mutation (0 available); any Cyp2g1 mutation (27 available)
Tg(SFTPC-rtTA,tetO-Tnf)320-1Gwho mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
respiratory system
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment
• the epithelium consists primarily of apical sustentacular cells and basal progenitors at 42 days after doxycycline treatment
• by 14 days after doxycycline withdrawal, the ORNs are extensively regenerated and there is nearly normal axon bundle morphology
• at 28 days after doxycycline withdrawal, the ORN layer is indistinguishable from untreated mice
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment
• inflammatory infiltrate and indistinct axon bundles in the subepithelium at approximately day 21
• dense infiltration of inflammatory cells and an absence of discernable axon bundles in the subepithelium at 42 days after doxycycline treatment
• numerous macrophages in the subepithelium by anti-CD68 immunostaining at 42 days after doxycycline treatment

nervous system
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment

taste/olfaction
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment
• the epithelium consists primarily of apical sustentacular cells and basal progenitors at 42 days after doxycycline treatment
• by 14 days after doxycycline withdrawal, the ORNs are extensively regenerated and there is nearly normal axon bundle morphology
• at 28 days after doxycycline withdrawal, the ORN layer is indistinguishable from untreated mice
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment
• absent odorant-induced electroolfactogram (EOG) amplitudes after 42 days on doxycycline
• the EOG amplitudes return to normal at 14 days after doxycycline withdrawal
• reduced (60%) odorant-induced electroolfactogram (EOG) amplitudes after 14 days on doxycycline

cellular
• no increase in proliferation shown by BrdU staining when the olfactory receptor neurons depleted after doxycycline treatment

immune system
• numerous macrophages in the olfactory subepithelium by anti-CD68 immunostaining at 42 days after doxycycline treatment
• inflammatory infiltrate and indistinct axon bundles in the subepithelium at approximately day 21
• dense infiltration of inflammatory cells and an absence of discernable axon bundles in the subepithelium at 42 days after doxycycline treatment
• numerous macrophages in the subepithelium by anti-CD68 immunostaining at 42 days after doxycycline treatment

hematopoietic system
• numerous macrophages in the olfactory subepithelium by anti-CD68 immunostaining at 42 days after doxycycline treatment

craniofacial
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment
• the epithelium consists primarily of apical sustentacular cells and basal progenitors at 42 days after doxycycline treatment
• by 14 days after doxycycline withdrawal, the ORNs are extensively regenerated and there is nearly normal axon bundle morphology
• at 28 days after doxycycline withdrawal, the ORN layer is indistinguishable from untreated mice
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment

growth/size/body
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment
• the epithelium consists primarily of apical sustentacular cells and basal progenitors at 42 days after doxycycline treatment
• by 14 days after doxycycline withdrawal, the ORNs are extensively regenerated and there is nearly normal axon bundle morphology
• at 28 days after doxycycline withdrawal, the ORN layer is indistinguishable from untreated mice
• reduced olfactory receptor neurons (ORNs) layer thickness beginning at 28 days after doxycycline treatment
• markedly abnormal reduction of the ORN layer at 35 days after doxycycline treatment
• rapid and essentially complete loss of neuronal cells and their corresponding axons at 42 days after doxycycline treatment

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
sinusitis DOID:0050127 J:157842


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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
04/23/2024
MGI 6.23
The Jackson Laboratory