Repository logo

Infoscience

  • English
  • French
Log In
Logo EPFL, École polytechnique fédérale de Lausanne

Infoscience

  • English
  • French
Log In
  1. Home
  2. Academic and Research Output
  3. Conferences, Workshops, Symposiums, and Seminars
  4. Combined rehabilitation promotes recovery of motor functionality in a mouse model of stroke
 
conference paper

Combined rehabilitation promotes recovery of motor functionality in a mouse model of stroke

Conti, Emilia
•
Mascaro, Anna Letizia Allegra
•
Resta, Francesco
Show more
January 1, 2019
Neural Imaging And Sensing 2019
Conference on Neural Imaging and Sensing

Neuro-rehabilitative research is developing novel strategies to enhance the effectiveness of therapies after stroke by using a combination of physical and plasticizing treatments 1-3. Previous studies have shown that repeated optogenetics stimulation of neurons in the peri-lesioned area induces a significant improvement in cerebral blood flow and neurovascular coupling response 4-6. Up to now the mechanisms underneath the reshaping of brain circuitry induced by rehabilitation after stroke are widely unknown. To investigate how rehabilitative therapies shape new cortical maps in the peri-infarct region, we induce a photothrombotic stroke in the primary motor cortex and the expression of Channelrhodopsine 2 (ChR2) in the peri-infarct area on Thyl-GCaMP6f mice. To promote functional recovery after stroke we use both an optogenetic strategy to stimulate targeted excitatory neurons in the peri-lesional region and motor training on a robotic platform (M-Platform) 7. A 473 nm laser repeatedly stimulates ChR2-transfected neurons; the optostimulation is performed five days a week. The motor rehabilitation consists in a pulling task: after the forelimb is passively extended by the linear actuator of the M-platform, the animal has to pull back up to the resting position. By analysing the spatio-temporal calcium dynamic and the reshaping of cortical activation area during the movement throughout the treatment period, we found that the combined treatment restores cortical activation profiles during the forelimb movement. Through behavioural experiments, using Schallert test, we also evaluate changes of forelimb functionality during rehabilitation. Our combination of techniques allows obtaining unprecedented views on cortical plasticity induced by rehabilitative therapies.

  • Details
  • Metrics
Type
conference paper
DOI
10.1117/12.2508321
Web of Science ID

WOS:000468077700008

Author(s)
Conti, Emilia
Mascaro, Anna Letizia Allegra
Resta, Francesco
Scaglione, Alessandro
Pasquini, Maria
Micera, Silvestro  
Pavone, Francesco S.
Date Issued

2019-01-01

Publisher

SPIE-INT SOC OPTICAL ENGINEERING

Publisher place

Bellingham

Published in
Neural Imaging And Sensing 2019
ISBN of the book

978-1-5106-2373-6

Series title/Series vol.

Progress in Biomedical Optics and Imaging

Volume

10865

Start page

108650R

Subjects

Engineering, Biomedical

•

Neuroimaging

•

Optics

•

Engineering

•

Neurosciences & Neurology

•

stroke

•

rehabilitation

•

optogenetic

•

calcium imaging

•

robotic platform

•

brain-injury

•

plasticity

•

stimulation

•

mechanisms

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
TNE  
Event nameEvent placeEvent date
Conference on Neural Imaging and Sensing

San Francisco, CA

Feb 04-05, 2019

Available on Infoscience
June 18, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/157803
Logo EPFL, École polytechnique fédérale de Lausanne
  • Contact
  • infoscience@epfl.ch

  • Follow us on Facebook
  • Follow us on Instagram
  • Follow us on LinkedIn
  • Follow us on X
  • Follow us on Youtube
AccessibilityLegal noticePrivacy policyCookie settingsEnd User AgreementGet helpFeedback

Infoscience is a service managed and provided by the Library and IT Services of EPFL. © EPFL, tous droits réservés