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Tuftelin's involvement in embryonic development.

Dekel Shilo¹, Anat Blumenfeld¹, Amir Haze¹

¹Dental Research Laboratory, Faculty of Dental Medicine, Institute of Dental Sciences, The Hebrew University of Jerusalem-Hadassah, Jerusalem, Israel.

Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution

|May 3, 2019

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Tuftelin, a protein previously linked to tooth enamel, is expressed throughout mouse embryonic development in various tissues, including neuronal and developing craniofacial structures. Its early and dynamic expression suggests a role in adapting to low oxygen conditions during embryogenesis.

Area of Science:

Developmental Biology
Molecular Biology
Genetics

Background:

Tuftelin's role was previously confined to tooth enamel mineralization.
Its expression pattern and function during early embryonic development remain largely unknown.

Purpose of the Study:

To investigate the spatio-temporal expression of tuftelin in developing mouse embryos.
To explore potential roles of tuftelin in craniofacial development and adaptation to hypoxia.

Main Methods:

Polymerase chain reaction (PCR), real-time PCR, and sequencing for mRNA detection.
In-situ hybridization for spatial mRNA localization.
Immunohistochemistry and western blotting for protein expression analysis.

Main Results:

Keywords:

CNS craniofacial complex embryonic development mouse tuftelin

Related Experiment Videos

Tuftelin mRNA and a 64KDa protein were detected from embryonic day E10.5 onwards.
Expression was observed in ectoderm, ectomesenchyme, and mesoderm-derived tissues, including neuronal tissues.
Dynamic spatio-temporal expression changes were noted, with a shift in localization suggesting a role in transcriptional regulation.

Conclusions:

Tuftelin is expressed early and broadly during mouse embryonic development, beyond its previously known role in tooth mineralization.
Its expression in neuronal tissues and dynamic localization suggest involvement in nerve growth and transcriptional regulation.
The findings support a hypothesis that tuftelin plays a role in adaptive mechanisms to hypoxia during embryogenesis.