Pcp4l1, a novel gene encoding a Pcp4-like polypeptide, is expressed in specific domains of the developing brain
Copyright policy )Pcp4l1, a novel gene encoding a Pcp4-like polypeptide, is expressed in specific domains of the developing brain
We report the cloning of a novel mouse gene (Pcp4l1) that encodes a polypeptide with significant sequence similarity to the Purkinje cell protein 4 gene (Pcp4) and describe its expression pattern during mouse development. Similar to Pcp4, the Pc4l1 gene product is characterized by the presence of an IQ domain and is highly conserved across evolution. RNA in situ hybridization reveals instead that Pcp4l1 has a distinct pattern of expression: it is only expressed in the central nervous system (CNS), and is first detected at E9.5 in the mesencephalic and metencephalic roof plate as well as in the isthmus, in a region that overlaps the expression domains of Pax2, Fgf8 and Wnt1. Thus, the early Pcp4l1 expression pattern coincides with the regional expression of well-characterized patterning molecules in the organizing centers of the developing brain. Starting at midgestation, Pcp4l1 is mainly expressed in the structures of the circumventricular organs, including the subcommissural organ, the rhombencephalic and telencephalic choroid plexi, and the pineal gland. In the adult brain, this transcript is also detected in laminar as well as in several nuclear structures of the CNS.
Homeodomain Proteins, Otx Transcription Factors, Fibroblast Growth Factor 8, Amino Acid Motifs, Molecular Sequence Data, PAX2 Transcription Factor, Brain, Nerve Tissue Proteins, Wnt1 Protein, DNA-Binding Proteins, Fibroblast Growth Factors, Wnt Proteins, Mice, Purkinje Cells, Proto-Oncogene Proteins, Animals, Amino Acid Sequence, Sequence Alignment, In Situ Hybridization, Transcription Factors
Homeodomain Proteins, Otx Transcription Factors, Fibroblast Growth Factor 8, Amino Acid Motifs, Molecular Sequence Data, PAX2 Transcription Factor, Brain, Nerve Tissue Proteins, Wnt1 Protein, DNA-Binding Proteins, Fibroblast Growth Factors, Wnt Proteins, Mice, Purkinje Cells, Proto-Oncogene Proteins, Animals, Amino Acid Sequence, Sequence Alignment, In Situ Hybridization, Transcription Factors
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