CREB controls cortical circuit plasticity and functional recovery after stroke.

Abstract:

:Treatments that stimulate neuronal excitability enhance motor performance after stroke. cAMP-response-element binding protein (CREB) is a transcription factor that plays a key role in neuronal excitability. Increasing the levels of CREB with a viral vector in a small pool of motor neurons enhances motor recovery after stroke, while blocking CREB signaling prevents stroke recovery. Silencing CREB-transfected neurons in the peri-infarct region with the hM4Di-DREADD blocks motor recovery. Reversing this inhibition allows recovery to continue, demonstrating that by manipulating the activity of CREB-transfected neurons it is possible to turn off and on stroke recovery. CREB transfection enhances remapping of injured somatosensory and motor circuits, and induces the formation of new connections within these circuits. CREB is a central molecular node in the circuit responses after stroke that lead to recovery from motor deficits.

journal_name

Nat Commun

journal_title

Nature communications

authors

Caracciolo L,Marosi M,Mazzitelli J,Latifi S,Sano Y,Galvan L,Kawaguchi R,Holley S,Levine MS,Coppola G,Portera-Cailliau C,Silva AJ,Carmichael ST

doi

10.1038/s41467-018-04445-9

subject

Has Abstract

pub_date

2018-06-08 00:00:00

pages

2250

issue

1

issn

2041-1723

pii

10.1038/s41467-018-04445-9

journal_volume

9

pub_type

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