All

What are you looking for?

All
Projects
Results
Organizations

Quick search

  • Projects supported by TA ČR
  • Excellent projects
  • Projects with the highest public support
  • Current projects

Smart search

  • That is how I find a specific +word
  • That is how I leave the -word out of the results
  • “That is how I can find the whole phrase”

The human transient receptor potential vanilloid 3 channel is sensitized via the ERK pathway

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985823%3A_____%2F17%3A00485941" target="_blank" >RIV/67985823:_____/17:00485941 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1074/jbc.M117.801167" target="_blank" >http://dx.doi.org/10.1074/jbc.M117.801167</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1074/jbc.M117.801167" target="_blank" >10.1074/jbc.M117.801167</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The human transient receptor potential vanilloid 3 channel is sensitized via the ERK pathway

  • Original language description

    The transient receptor potential vanilloid 3 (TRPV3) channel is a Ca2+-permeable thermosensitive ion channel widely expressed in keratinocytes, where together with epidermal growth factor receptor (EGFR) forms a signaling complex regulating epidermal homeostasis. Proper signaling through this complex is achieved and maintained via several pathways in which TRPV3 activation is absolutely required. Results of recent studies have suggested that low-level constitutive activity of TRPV3 induces EGFR-dependent signaling that, in turn, amplifies TRPV3 via activation of the mitogen-activated protein kinase ERK in a positive feedback loop. Here, we explored the molecular mechanism that increases TRPV3 activity through EGFR activation. We used mutagenesis and whole-cell patch clamp experiments on TRPV3 channels endogenously expressed in an immortalized human keratinocyte cell line (HaCaT) and in transiently transfected HEK293T cells and found that the sensitizing effect of EGFR on TRPV3 is mediated by ERK. We observed that ERK-mediated phosphorylation of TRPV3 alters its responsiveness to repeated chemical stimuli. Among several putative ERK phosphorylation sites, we identified threonine 264 in the N-terminal ankyrin repeat domain as the most critical site for the ERK-dependent modulation of TRPV3 channel activity. Of note, Thr264 is in close vicinity to a structurally and functionally important TRPV3 region comprising an atypical finger 3 and oxygen-dependent hydroxylation site. In summary, our findings indicate that Thr264 in TRPV3 is a key ERK phosphorylation site mediating EGFR-induced sensitization of the channel to stimulate signaling pathways involved in regulating skin homeostasis.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30103 - Neurosciences (including psychophysiology)

Result continuities

  • Project

    <a href="/en/project/GA15-15839S" target="_blank" >GA15-15839S: Regulatory mechanisms of nociceptive transient receptor potential ion channels</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Biological Chemistry

  • ISSN

    0021-9258

  • e-ISSN

  • Volume of the periodical

    292

  • Issue of the periodical within the volume

    51

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    9

  • Pages from-to

    21083-21091

  • UT code for WoS article

    000418453400023

  • EID of the result in the Scopus database

    2-s2.0-85039460535