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M_MECP2_40_KI_HE_STOP_REINSTATE-MECP2
Model Details
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Phenotypic Profile
Category Entity Quantity Experimental Paradigm Age at Testing
Motor phenotype Motor coordination and balance1
Refractory
Description: Mecp2 reinstatement in the somatosensory neurons does not improver performance or latency to fall off the accelerating rotarod
Exp Paradigm: NA

Accelerating rotarod test 6-8 weeks
Neuroanatomy / Ultrastructure / Cytoarchitecture Brain size1
Refractory
Description: Mecp2 reinstatement in the somatosensory neurons does not increase brain size and it remains smaller to controls
Exp Paradigm: NA

Histology 3-6 months
Neuroanatomy / Ultrastructure / Cytoarchitecture Synaptic neuroreceptors1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons restores the number of puncta co-expressing gabrb3 and vglut1 to control levels
Exp Paradigm: NA

Immunohistochemistry 3-6 months
Neurophysiology Dorsal root potential (drp)1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons restores dorsal root potential that implies pad and presynaptic inhibition in the spinal cord are also corrected
Exp Paradigm: NA

Whole-cell patch clamp P14-p19
Sensory Sensorimotor gating1
Refractory
Description: Mecp2 reinstatement in the somatosensory neurons does not restore sensorimotor gating in prepulse inhibition
Exp Paradigm: NA

Prepulse inhibition 6-8 weeks
Sensory Tactile memory1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons restore glabrous skin tactile discrimination and memory and rescued mice perform like controls in textured nort
Exp Paradigm: NA

Textured novel object recognition test (t-nort) 6-8 weeks
Sensory Startle response: acoustic stimulus1
Refractory
Description: Startle response: acoustic stimulus remains impaired after mecp2 reinstatement in mecp2 stop (null) mice
Exp Paradigm: NA

Startle response test 6-8 weeks
Sensory Sensorimotor gating: tactile cue1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons restores sensotimotor gating and normal response to startle following a prepulse of air puff
Exp Paradigm: NA

Prepulse inhibition 6-8 weeks
Social behavior Nest building behavior1
Ameliorated
Description: Mecp2 reinstatement only in the somatosensory neurons ameliorates nest building behavior
Exp Paradigm: NA

Nest building assay 6-8 weeks
Social behavior Social memory1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons restores preference for stranger mouse over familiar mouse
Exp Paradigm: NA

Three-chamber social approach test 6-8 weeks
Social behavior Social dominance1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons normalizes dominance and these mice have significantly increased percenteage of wins compared to mecp2 stop mice
Exp Paradigm: NA

Tube test of social dominance 6-8 weeks
Social behavior Social approach1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons restores social approach and preference for stranger mouse over object
Exp Paradigm: NA

Three-chamber social approach test 6-8 weeks
Emotion Habituation to aversive stimuli1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons habituate normally to aversive stimuli unlike mecp2 stop mice and similar to controls
Exp Paradigm: NA

Startle response test 6-8 weeks
Emotion Anxiety1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons restores anxiety to normal levels determined by comparable time spent in center of the of to controls
Exp Paradigm: Open field test

Open field test 6-8 weeks
Emotion Anxiety1
Restored
Description: Mecp2 reinstatement in the somatosensory neurons restores anxiety to normal levels determined by comparable time spent in center of the of to controls
Exp Paradigm: Elevated plus maze test

Elevated plus maze test 6-8 weeks
Learning & memory Object recognition memory: long-term recall1
Refractory
Description: Mecp2 reinstatement in the somatosensory neurons does not correct long term recall of familiar object
Exp Paradigm: NA

Novel object recognition test 6-8 weeks
Learning & memory Object recognition memory1
No adverse effect
Description: Mecp2 reinstatement in the somatosensory neurons does not affect object recognition memory
Exp Paradigm: NA

Novel object recognition test 6-8 weeks
Not Reported: Circadian sleep/wake cycle,  Communications,  Developmental profile,  Immune response,  Maternal behavior,  Molecular profile,  Physiological parameters,  Repetitive behavior,  Seizure,  
 
References: 1:  Orefice LL , et al. 2016
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