The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and Patterning

Wnt signaling is a highly conserved metazoan pathway that plays a crucial role in cell fate determination and morphogenesis during development. Wnt ligands can induce disparate cellular responses. The exact mechanism behind these different outcomes is not fully understood but may be due to interacti...

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Main Authors: Qian Hui Tan, Agimaa Otgonbaatar, Prameet Kaur, Angelica Faye Ga, Nathan P. Harmston, Nicholas S. Tolwinski
Format: Article
Language:English
Published: MDPI AG 2024-02-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/13/5/365
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author Qian Hui Tan
Agimaa Otgonbaatar
Prameet Kaur
Angelica Faye Ga
Nathan P. Harmston
Nicholas S. Tolwinski
author_facet Qian Hui Tan
Agimaa Otgonbaatar
Prameet Kaur
Angelica Faye Ga
Nathan P. Harmston
Nicholas S. Tolwinski
author_sort Qian Hui Tan
collection DOAJ
description Wnt signaling is a highly conserved metazoan pathway that plays a crucial role in cell fate determination and morphogenesis during development. Wnt ligands can induce disparate cellular responses. The exact mechanism behind these different outcomes is not fully understood but may be due to interactions with different receptors on the cell membrane. PTK7/Otk is a transmembrane receptor that is implicated in various developmental and physiological processes including cell polarity, cell migration, and invasion. Here, we examine two roles of Otk-1 and Otk-2 in patterning and neurogenesis. We find that Otk-1 is a positive regulator of signaling and Otk-2 functions as its inhibitor. We propose that PTK7/Otk functions in signaling, cell migration, and polarity contributing to the diversity of cellular responses seen in Wnt-mediated processes.
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spelling doaj.art-0468d6e6377a4462942f40399028c6912024-03-12T16:41:27ZengMDPI AGCells2073-44092024-02-0113536510.3390/cells13050365The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and PatterningQian Hui Tan0Agimaa Otgonbaatar1Prameet Kaur2Angelica Faye Ga3Nathan P. Harmston4Nicholas S. Tolwinski5Division of Science, Yale-NUS College, Singapore 138527, SingaporeDivision of Science, Yale-NUS College, Singapore 138527, SingaporeDivision of Science, Yale-NUS College, Singapore 138527, SingaporeDivision of Science, Yale-NUS College, Singapore 138527, SingaporeDivision of Science, Yale-NUS College, Singapore 138527, SingaporeDivision of Science, Yale-NUS College, Singapore 138527, SingaporeWnt signaling is a highly conserved metazoan pathway that plays a crucial role in cell fate determination and morphogenesis during development. Wnt ligands can induce disparate cellular responses. The exact mechanism behind these different outcomes is not fully understood but may be due to interactions with different receptors on the cell membrane. PTK7/Otk is a transmembrane receptor that is implicated in various developmental and physiological processes including cell polarity, cell migration, and invasion. Here, we examine two roles of Otk-1 and Otk-2 in patterning and neurogenesis. We find that Otk-1 is a positive regulator of signaling and Otk-2 functions as its inhibitor. We propose that PTK7/Otk functions in signaling, cell migration, and polarity contributing to the diversity of cellular responses seen in Wnt-mediated processes.https://www.mdpi.com/2073-4409/13/5/365WntPTK7<i>Drosophila</i>
spellingShingle Qian Hui Tan
Agimaa Otgonbaatar
Prameet Kaur
Angelica Faye Ga
Nathan P. Harmston
Nicholas S. Tolwinski
The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and Patterning
Cells
Wnt
PTK7
<i>Drosophila</i>
title The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and Patterning
title_full The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and Patterning
title_fullStr The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and Patterning
title_full_unstemmed The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and Patterning
title_short The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and Patterning
title_sort wnt co receptor ptk7 otk and its homolog otk 2 in neurogenesis and patterning
topic Wnt
PTK7
<i>Drosophila</i>
url https://www.mdpi.com/2073-4409/13/5/365
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