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construct
M_MECP2_53_KO_HE
Model Details
Change
No Change
     
Phenotypic Profile
Category Entity Quantity Experimental Paradigm Age at Testing
Motor phenotype General locomotor activity: ambulatory activity1
Decreased
Description: Mutants show decrease in distance travelled.
Exp Paradigm: NA

Open field test 6-8 weeks
Neuroanatomy / Ultrastructure / Cytoarchitecture Neuronal number: interneurons1
Abnormal
Description: Mutants show increase of parvalbumin positive interneurons in the primary somatosensory cortex and in the primary visual cortex but decrease in parvalbumin positive interneurons in the basolateral amygdala.
Exp Paradigm: Primary somatosensory cortex, primary visual cortex

Immunohistochemistry Adult
Neurophysiology Intrinsic membrane properties1
Increased
Description: Mutants show a small increase in excitability of large diameter neurons, measured by a decrease in rheobase.
Exp Paradigm: Spinal cord

Whole-cell current clamp Adult
Repetitive behavior Repetitive digging1
Decreased
Description: Mutants show decrease in the number of marbles buried.
Exp Paradigm: NA

Marble-burying test 6-8 weeks
Sensory Sensorimotor gating: tactile cue1
Increased
Description: Mutants show increased responsivity to an air puff stimulus delivered to back hairy skin.
Exp Paradigm: NA

Response to air puff 6 weeks
Sensory Sensorimotor gating1
Increased
Description: Mutants show increase in percent inhibition of the startle response to a 125 db noise pulse when the startle noise is preceded by an 80 db tone prepulse.
Exp Paradigm: NA

Prepulse inhibition 6 weeks
Sensory Tactile memory1
Decreased
Description: Mutants show decrease in preference for the object with the novel texture.
Exp Paradigm: NA

Textured novel object recognition test (t-nort) 6 weeks
Sensory Startle response: acoustic stimulus1
Decreased
Description: Mutants show decrease in amplitude of startle response to a 125 db startling noise but not to a 80db non-startling noise pulse.
Exp Paradigm: NA

Acoustic startle reflex test 6 weeks
Social behavior Social approach1
Decreased
Description: Mutants spent less time investigating a novel mouse than a novel object.
Exp Paradigm: NA

Three-chamber social approach test 6 weeks
Social behavior Social memory1
Decreased
Description: Mutants spent less time investigating a novel mouse than a familiar mouse.
Exp Paradigm: NA

Three-chamber social approach test 6 weeks
Emotion Anxiety1
Increased
Description: Mutants spent less time in the open arms.
Exp Paradigm: NA

Elevated plus maze test 6 weeks
Emotion Anxiety1
Increased
Description: Mutants spent less time in the center of the open field.
Exp Paradigm: NA

Open field test 6 weeks
Emotion Habituation to aversive stimuli1
Decreased
Description: Mutants show lower percent decrease in startle response to a 125 db noise during a 30-minute tactile ppi session, when comparing the first five startle responses to the last five responses to a 125 db noise for mutant mice and their control littermates, indicating lack of habituation to an acoustic startle noise.
Exp Paradigm: NA

Prepulse inhibition 6-8 weeks
Learning & memory Object recognition memory: long-term recall1
Decreased
Description: Mutants show no decrease in preference for an object with a novel shape after 1 hour retention but not after 5 min retention.
Exp Paradigm: NA

Novel object recognition test 6 weeks
Emotion Exploratory activity1 No change Novel object recognition test 6 weeks
Motor phenotype General locomotor activity1 No change Elevated plus maze test 6-8 weeks
Neurophysiology Action potential property: firing rate1 No change Whole-cell voltage clamp Adult
Not Reported: Circadian sleep/wake cycle,  Communications,  Developmental profile,  Immune response,  Maternal behavior,  Molecular profile,  Physiological parameters,  Seizure,  
 
References: 1:  Orefice LL , et al. 2019
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