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Calcium oscillations coordinate feather mesenchymal cell movement by SHH dependent modulation of gap junction networks

Author

Listed:
  • Ang Li

    (USC Keck School of Medicine
    University of Texas at Arlington)

  • Jung-Hwa Cho

    (USC Keck School of Medicine
    National Institute of Neurological Disorders and Stroke)

  • Brian Reid

    (UC Davis School of Medicine)

  • Chun-Chih Tseng

    (USC Keck School of Medicine
    USC Keck School of Medicine)

  • Lian He

    (College of Medicine, Texas A&M University)

  • Peng Tan

    (College of Medicine, Texas A&M University)

  • Chao-Yuan Yeh

    (USC Keck School of Medicine
    China Medical University Hospital)

  • Ping Wu

    (USC Keck School of Medicine)

  • Yuwei Li

    (California Institute of Technology)

  • Randall B. Widelitz

    (USC Keck School of Medicine)

  • Yubin Zhou

    (College of Medicine, Texas A&M University)

  • Min Zhao

    (UC Davis School of Medicine)

  • Robert H. Chow

    (USC Keck School of Medicine)

  • Cheng-Ming Chuong

    (USC Keck School of Medicine
    China Medical University Hospital)

Abstract

Collective cell migration mediates multiple tissue morphogenesis processes. Yet how multi-dimensional mesenchymal cell movements are coordinated remains mostly unknown. Here we report that coordinated mesenchymal cell migration during chicken feather elongation is accompanied by dynamic changes of bioelectric currents. Transcriptome profiling and functional assays implicate contributions from functional voltage-gated Ca2+ channels (VGCCs), Connexin-43 based gap junctions, and Ca2+ release activated Ca2+ (CRAC) channels. 4-Dimensional Ca2+ imaging reveals that the Sonic hedgehog-responsive mesenchymal cells display synchronized Ca2+ oscillations, which expand progressively in area during feather elongation. Inhibiting VGCCs, gap junctions, or Sonic hedgehog signaling alters the mesenchymal Ca2+ landscape, cell movement patterns and feather bud elongation. Ca2+ oscillations induced by cyclic activation of opto-cCRAC channels enhance feather bud elongation. Functional disruption experiments and promoter analysis implicate synergistic Hedgehog and WNT/β-Catenin signaling in activating Connexin-43 expression, establishing gap junction networks synchronizing the Ca2+ profile among cells, thereby coordinating cell movement patterns.

Suggested Citation

  • Ang Li & Jung-Hwa Cho & Brian Reid & Chun-Chih Tseng & Lian He & Peng Tan & Chao-Yuan Yeh & Ping Wu & Yuwei Li & Randall B. Widelitz & Yubin Zhou & Min Zhao & Robert H. Chow & Cheng-Ming Chuong, 2018. "Calcium oscillations coordinate feather mesenchymal cell movement by SHH dependent modulation of gap junction networks," Nature Communications, Nature, vol. 9(1), pages 1-15, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07661-5
    DOI: 10.1038/s41467-018-07661-5
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