Cited by 365Neuroscience and Neuropharmacology ResearchNicotinic Acetylcholine Receptors StudyNeurogenesis and neuroplasticity mechanisms

Lynx1, a Cholinergic Brake, Limits Plasticity in Adult Visual Cortex

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Morishita, Hirofumi, Miwa, Julie M., Heintz, Nathaniel, Hensch, Takao K.·2010·Science

Abstract

Lynx Vision: Early in development, correct visual experiences during the so-called “critical period” build the foundations for visual function in adulthood. Hence, when one eye is not working together with the other, an adult may be left with imperfect vision. The plasticity characteristic of the critical period does not persist into adulthood, and later readjustments to visual function may not be fully successful. Morishita et al. (p. 1238 , published online 11 November; see the Perspective by Higley and Strittmatter ) have identified a gene in mice called Lynx1 , which shows increased expression after the critical period. The Lynx1 protein binds to and reduces the sensitivity of acetylcholine receptors, but if mice were treated to enhanced cholinergic signaling, their adult visual plasticity was improved and if mice lacked the Lynx1 gene altogether, they were able to recover visual function even in adulthood.

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  • Modulation of nicotinic function through the lynx1 protein is important for regulating the critical period for activity-dependent visual system development.

    “modulation of nicotinic function through the lynx1 protein is also important for regulating the critical period for activity-dependent visual system development (Morishita et al. 2010).”

    From Mechanisms of Nicotine Addiction (2021) · cites this paper as Morishita et al. 2010

  • Various drugs, environmental manipulations, and genetic approaches have induced iPlasticity across several model systems and in people.

    “Subsequently, several pharmacological treatments (Table 1) and environmental manipulations7,191–193, as well as genetic means, have been used to induce iPlasticity in several model systems and also in humans186.”
  • Purely environmental manipulations, including enrichment or food restriction, can produce iPlasticity in visual cortex.

    “iPlasticity can also be achieved in the visual cortex with purely environmental manipulations, such as environmental enrichment or food restriction in the visual cortex7,191–193.”
  • Disruption of excitatory-inhibitory balance shifts the timing and quality of critical period development in primary visual cortex.

    “Accordingly, disruption of E-I balance powerfully shifts the timing and quality of critical period development, as seen in the primary visual cortex (V1) (27–29).”
  • An excessively plastic status may precede the progressive degenerative process as in other brain disorders.

    “An excessively plastic status may precede the progressive degenerative process as in other brain disorders (29, 54).”

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Authors
Morishita, H., Miwa, J. M., Heintz, N., & Hensch, T. K.
Affiliations
  • Boston Children's Hospital (US)
  • California Institute of Technology (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Hensch, Takao K.
Venue
Science
Published
2010-11-26
Volume
330
Issue
6008
Pages
1238-1240
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2027220714
Cited by
365
References
36
Citations by year
2026: 6 · 2025: 13 · 2024: 8 · 2023: 12 · 2022: 15 · 2021: 22 · 2020: 31 · 2019: 23 · 2018: 29 · 2017: 26 · 2016: 24 · 2015: 31 · 2014: 31 · 2013: 33 · 2012: 36
FWCI
12.16
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (DP1OD003699)
  • National Institute on Drug Abuse (DA17279, R01DA017279)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
Lynx1, cholinergic neurotransmission, nicotinic acetylcholine receptors, adult visual cortex, experience-dependent plasticity, critical period, excitation-inhibition balance, cholinergic innervation
MeSH terms
Aging, Amblyopia, Animals, Cholinesterase Inhibitors, Evoked Potentials, Visual, Mecamylamine, Membrane Glycoproteins, Mice, Inbred C57BL, Neural Inhibition, Neuronal Plasticity, Neuropeptides, Physostigmine, Receptors, Nicotinic, Sensory Deprivation, Vision, Ocular, Visual Cortex, Visual Pathways, Signal Transduction, Mice, Knockout, Nicotinic Antagonists, Dominance, Ocular, Adaptor Proteins, Signal Transducing, Mice

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