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Optogenetic monitoring of membrane potentials.
Mutoh H, Perron A, Akemann W, Iwamoto Y, Knöpfel T. Mutoh H, et al. Exp Physiol. 2011 Jan;96(1):13-8. doi: 10.1113/expphysiol.2010.053942. Epub 2010 Sep 17. Exp Physiol. 2011. PMID: 20851856 Review.
Over the last decade, researchers in our laboratory have engineered and developed several series of genetically encoded voltage-sensitive fluorescent proteins (VSFPs) by molecular fusion of a voltage-sensing domain operand with different fluorescent reporter proteins. Thes …
Over the last decade, researchers in our laboratory have engineered and developed several series of genetically encoded voltage-sensitive fl …
Imaging neural circuit dynamics with a voltage-sensitive fluorescent protein.
Akemann W, Mutoh H, Perron A, Park YK, Iwamoto Y, Knöpfel T. Akemann W, et al. J Neurophysiol. 2012 Oct;108(8):2323-37. doi: 10.1152/jn.00452.2012. Epub 2012 Jul 18. J Neurophysiol. 2012. PMID: 22815406
A genetically encoded voltage indicator would be useful for detection of such signals in specific cell types. Here we describe how this goal can be achieved with Butterfly, a voltage-sensitive fluorescent protein (VSFP) with a subthreshold detection range and
A genetically encoded voltage indicator would be useful for detection of such signals in specific cell types. Here we describe how th
Genetically encoded probes for optical imaging of brain electrical activity.
Perron A, Akemann W, Mutoh H, Knöpfel T. Perron A, et al. Prog Brain Res. 2012;196:63-77. doi: 10.1016/B978-0-444-59426-6.00004-5. Prog Brain Res. 2012. PMID: 22341321 Review.
The combination of optical imaging methods with targeted expression of protein-based fluorescent probes constitutes a powerful approach for functional analysis of selected cell populations within intact neuronal circuitries. ...We conclude with a critical appraisal …
The combination of optical imaging methods with targeted expression of protein-based fluorescent probes constitutes a powerful approa …
Imaging brain electric signals with genetically targeted voltage-sensitive fluorescent proteins.
Akemann W, Mutoh H, Perron A, Rossier J, Knöpfel T. Akemann W, et al. Nat Methods. 2010 Aug;7(8):643-9. doi: 10.1038/nmeth.1479. Epub 2010 Jul 11. Nat Methods. 2010. PMID: 20622860
These protein-based voltage probes will facilitate the analysis of cortical circuits in genetically defined cell populations and are hence a valuable addition to the optogenetic toolbox....
These protein-based voltage probes will facilitate the analysis of cortical circuits in genetically defined cell populations and are hence …
Red-shifted voltage-sensitive fluorescent proteins.
Perron A, Mutoh H, Launey T, Knöpfel T. Perron A, et al. Chem Biol. 2009 Dec 24;16(12):1268-77. doi: 10.1016/j.chembiol.2009.11.014. Chem Biol. 2009. PMID: 20064437 Free PMC article.
To this end, we generated and characterized a series of genetically encoded voltage-sensitive fluorescent proteins by molecular fusion of the voltage-sensing domain of Ci-VSP (Ciona intestinalis voltage sensor-containing phosphatase) to red-shifted fluorescent protein oper …
To this end, we generated and characterized a series of genetically encoded voltage-sensitive fluorescent proteins by molecular fusio …
Exploration of fluorescent protein voltage probes based on circularly permuted fluorescent proteins.
Gautam SG, Perron A, Mutoh H, Knöpfel T. Gautam SG, et al. Front Neuroeng. 2009 Oct 13;2:14. doi: 10.3389/neuro.16.014.2009. eCollection 2009. Front Neuroeng. 2009. PMID: 19862342 Free PMC article.
Here, we report our exploration on a third VSFP design principle based on circularly permuted fluorescent protein (cpFP) variants. ...Even so their voltage sensitivity was relatively modest, they constitute a proof of principle for this novel protein design....
Here, we report our exploration on a third VSFP design principle based on circularly permuted fluorescent protein (cpFP) variants. .. …
Spectrally-resolved response properties of the three most advanced FRET based fluorescent protein voltage probes.
Mutoh H, Perron A, Dimitrov D, Iwamoto Y, Akemann W, Chudakov DM, Knöpfel T. Mutoh H, et al. PLoS One. 2009;4(2):e4555. doi: 10.1371/journal.pone.0004555. Epub 2009 Feb 23. PLoS One. 2009. PMID: 19234605 Free PMC article.
The most advanced class of these probes was generated by molecular fusion of the voltage sensing domain (VSD) of Ci-VSP with a fluorescent protein (FP) pair. We quantitatively compared the three most advanced versions of these probes (two previously reported and one new va …
The most advanced class of these probes was generated by molecular fusion of the voltage sensing domain (VSD) of Ci-VSP with a fluore …
Second and third generation voltage-sensitive fluorescent proteins for monitoring membrane potential.
Perron A, Mutoh H, Akemann W, Gautam SG, Dimitrov D, Iwamoto Y, Knöpfel T. Perron A, et al. Front Mol Neurosci. 2009 Jun 22;2:5. doi: 10.3389/neuro.02.005.2009. eCollection 2009. Front Mol Neurosci. 2009. PMID: 19623246 Free PMC article.
A suitable FP voltage sensor would indeed be a valuable tool for monitoring the activity of thousands of individual neurons simultaneously in a non-invasive manner. Previous prototypic genetically-encoded FP voltage indicators achieved a proof of princ
A suitable FP voltage sensor would indeed be a valuable tool for monitoring the activity of thousands of individual neurons si
Genetically encoded fluorescent sensors of membrane potential.
Baker BJ, Mutoh H, Dimitrov D, Akemann W, Perron A, Iwamoto Y, Jin L, Cohen LB, Isacoff EY, Pieribone VA, Hughes T, Knöpfel T. Baker BJ, et al. Brain Cell Biol. 2008 Aug;36(1-4):53-67. doi: 10.1007/s11068-008-9026-7. Epub 2008 Aug 5. Brain Cell Biol. 2008. PMID: 18679801 Free PMC article. Review.
In a transgenic animal, a genetically encoded sensor could in principle be expressed specifically in any cell type and would have the advantage of staining only the cell population determined by the specificity of the promoter used to drive expression. ...
In a transgenic animal, a genetically encoded sensor could in principle be expressed specifically in any cell type and would h …
Comment on: "Structural correlates of attention dysfunction in Lewy body dementia and Alzheimer's disease: an ex-Gaussian analysis".
Andriuta D, Perron A, Roussel M, Godefroy O. Andriuta D, et al. Among authors: perron a. J Neurol. 2020 Sep;267(9):2747-2748. doi: 10.1007/s00415-020-10036-w. Epub 2020 Jul 8. J Neurol. 2020. PMID: 32642786 No abstract available.
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