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Updated: Jun 8, 2026

Visualization of the Axonal Projection Pattern of Embryonic Motor Neurons in Drosophila
Published on: June 16, 2017
Diverse functions for the semaphorin receptor PlexinD1 in development and disease
Carl M Gay1, Tomasz Zygmunt, Jesús Torres-Vázquez
1Helen L. and Martin S. Kimmel Center for Biology and Medicine, Skirball Institute of Biomolecular Medicine, New York University Langone Medical Center, 540 First Avenue, 4th floor, lab 14, New York, NY 10016, USA.
PlexinD1 (PlxnD1) is crucial for embryonic development, guiding cell behavior in cardiovascular, nervous, and immune systems. This review highlights its key roles and molecular mechanisms in organogenesis.
Area of Science:
- Developmental Biology
- Cell Signaling
- Molecular Biology
Background:
- Plexins are cell surface receptors for Semaphorins, essential in embryonic development.
- Semaphorin-Plexin signaling impacts cell migration, proliferation, and survival during organogenesis.
- PlexinD1 (PlxnD1) is the only vertebrate-specific PlexinD subfamily member, with largely unknown functions until recently.
Purpose of the Study:
- To review novel findings on PlexinD1's roles in vertebrate organogenesis.
- To explore PlexinD1's functions in the cardiovascular, nervous, and immune systems.
- To discuss molecular mechanisms underlying PlexinD1 activity.
Main Methods:
- Literature review of recent studies on PlexinD1.
- Analysis of data concerning PlexinD1's involvement in developmental processes.
- Synthesis of information on Semaphorin-Plexin signaling pathways.
Main Results:
- PlexinD1 plays significant roles in cardiovascular, nervous, and immune system development.
- PlexinD1 is involved in salivary gland branching morphogenesis.
- Novel insights into the molecular mechanisms of PlexinD1 have been uncovered.
Conclusions:
- PlexinD1 is a critical regulator of organogenesis across multiple vertebrate systems.
- Understanding PlexinD1's molecular functions provides new avenues for developmental biology research.
- Further investigation into PlexinD1 signaling is warranted to fully elucidate its developmental importance.
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