Developmentally regulated expression of the LRRTM gene family during mid-gestation mouse embryogenesis

We have analysed the expression during mid-gestation mouse development of the four member LRRTM gene family which encodes type 1 transmembrane proteins containing 10 extracellular leucine rich repeats and a short intracellular tail. Each family member has a developmentally regulated pattern of expre...

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Bibliographic Details
Published in:Gene Expression Patterns 2007-01, Vol.7 (1-2), p.23-29
Main Authors: Haines, Bryan P., Rigby, Peter W.J.
Format: Article
Language:English
Subjects:
Animals
Apical ectodermal ridge
Base Sequence
Brain - embryology
Brain - metabolism
DNA Primers - genetics
Embryonic Development - genetics
Female
Gene Expression Regulation, Developmental
Gestational Age
Leucine rich repeat
Limb
LRRTM
Membrane Proteins - genetics
Mice
Multigene Family
Nerve Tissue Proteins - genetics
Neural tube
Pregnancy
Presomitic mesoderm
Sclerotome
Somite
Somites - metabolism
Transmembrane protein
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Summary:We have analysed the expression during mid-gestation mouse development of the four member LRRTM gene family which encodes type 1 transmembrane proteins containing 10 extracellular leucine rich repeats and a short intracellular tail. Each family member has a developmentally regulated pattern of expression distinct from all other members. LRRTM1 is expressed in the neural tube, otic vesicle, apical ectodermal ridge, forebrain and midbrain up to a sharp central boundary. LRRTM2 is expressed in a subset of progenitors in the neural tube. LRRTM3 is expressed in a half somite wide stripe in the presomitic mesoderm adjacent to the boundary with the most recently formed somite. Additional expression is seen in the neural tube, forebrain and hindbrain. LRRTM4 is expressed in the limb mesenchyme, neural tube, caudal mesoderm and in three distinct regions of the head. Later expression occurs in a subset of the developing sclerotome. Each family member has a unique expression domain within the neural tube.
ISSN:1567-133X
1872-7298
DOI:10.1016/j.modgep.2006.05.004