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Salt inducible kinases as novel Notch interactors in the developing Drosophilaretina

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Salt inducible kinases as novel Notch interactors in the developing Drosophila retina.pdf (3.546Mb)
Date
2020
Author
Şahin, H. Bahar
Sayın, Sercan
Holder, Maxine
Bugra, Kuyaş
Çelik, Arzu
Abstract
Developmental processes require strict regulation of proliferation, differentiation and patterning for the generation of final organ size. Aberrations in these fundamental events are critically important in tumorigenesis and cancer progression.Salt inducible kinases(Siks) are evolutionarily conserved genes involved in diverse biological processes, including salt sensing, metabolism, muscle, cartilage and bone formation, but their role in development remains largely unknown. Recent findings implicate Siks in mitotic control, and in both tumor suppression and progression. Using a tumor model in theDrosophilaeye, we show that perturbation of Sik function exacerbates tumor-like tissue overgrowth and metastasis. Furthermore, we show that bothDrosophila Sikgenes,Sik2andSik3, function in eye development processes. We propose that an important target of Siks may be the Notch signaling pathway, as we demonstrate genetic interaction between Siks and Notch pathway members. Finally, we investigate Sik expression in the developing retina and show that Sik2 is expressed in all photoreceptors, basal to cell junctions, while Sik3 appears to be expressed specifically in R3/R4 cells in the developing eye. Combined, our data suggest thatSikgenes are important for eye tissue specification and growth, and that their dysregulation may contribute to tumor formation.

Source

Plos One

Issue

6

Volume

15

URI

https://doi.org/10.1371/journal.pone.0234744
https://hdl.handle.net/20.500.12469/3040

Collections

  • Araştırma Çıktıları / Scopus [1565]
  • Araştırma Çıktıları / WOS [1518]
  • Biyoinformatik ve Genetik / Bioinformatics and Genetics [220]

Keywords

Transcription Factor
Adherens Junctions
Binding Protein
Gene-Expression
Glucose-Uptake
Drosophila
SIK2
Polarity
Growth
Eye

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