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PMID:20670682

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Citation

Kim, SH, Choi, HY, So, JH, Kim, CH, Ho, SY, Frank, M, Li, Q and Uitto, J (2010) Zebrafish type XVII collagen: gene structures, expression profiles, and morpholino "knock-down" phenotypes. Matrix Biol. 29:629-37

Abstract

The human COL17A1 gene encodes type XVII collagen (also known as the 180-kDa bullous pemphigoid antigen), an integral component of hemidesmosomes, attachment complexes providing integrity to the dermal-epidermal junction. Zebrafish, a useful model system to study skin development, displays fully developed hemidesmosomes at approximately 5 days post-fertilization (dpf). We have identified two COL17A1 orthologues in the zebrafish genome, col17a1a and col17a1b, which are expressed in the skin and the neural system, respectively. The proteins coded by these genes have structural module organizations homologous to the human type XVII collagen. "Knock-down" of the expression of col17a1a with a specific morpholino targeting the 5' UTR of the gene resulted in a blistering phenotype and in perturbations in the basement membrane zone. "Knock-down" of col17a1b expression resulted in ablation or in marked reduction of neuromasts in the lateral line. Thus, zebrafish has two COL17A1 orthologues which may have evolved tissue-specific functions during vertebrate development. Collectively, zebrafish provides a model system to study the molecular aspects of skin development and offers insights into the corresponding human diseases.

Links

PubMed Online version:10.1016/j.matbio.2010.07.002

Keywords

5' Untranslated Regions/genetics; Amino Acid Sequence/genetics; Animal Structures/abnormalities; Animal Structures/metabolism; Animal Structures/pathology; Animals; Autoantigens/genetics; Congenital Abnormalities/genetics; Congenital Abnormalities/pathology; Embryo, Nonmammalian/abnormalities; Embryo, Nonmammalian/metabolism; Embryo, Nonmammalian/pathology; Gene Components/genetics; Gene Expression/genetics; Molecular Sequence Data; Nervous System/metabolism; Nervous System/pathology; Nervous System Malformations/genetics; Nervous System Malformations/pathology; Non-Fibrillar Collagens/genetics; Oligodeoxyribonucleotides, Antisense/administration & dosage; Oligodeoxyribonucleotides, Antisense/genetics; Phylogeny; Skin/metabolism; Skin/pathology; Skin Abnormalities/genetics; Skin Abnormalities/pathology; Zebrafish/abnormalities; Zebrafish/embryology; Zebrafish/genetics; Zebrafish Proteins/genetics

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status

DANRE:B8A4S4

involved_in

GO:0008544: epidermis development

ECO:0000315: mutant phenotype evidence used in manual assertion

ZFIN:ZDB-MRPHLNO-101021-1

P

Seeded From UniProt

complete

DANRE:F1QTH6

involved_in

GO:0048925: lateral line system development

ECO:0000315: mutant phenotype evidence used in manual assertion

ZFIN:ZDB-MRPHLNO-101021-2

P

Seeded From UniProt

complete

DANRE:F1R619

involved_in

GO:0048925: lateral line system development

ECO:0000315: mutant phenotype evidence used in manual assertion

ZFIN:ZDB-MRPHLNO-101021-2

P

Seeded From UniProt

complete

DANRE:F1R7W0

involved_in

GO:0048925: lateral line system development

ECO:0000315: mutant phenotype evidence used in manual assertion

ZFIN:ZDB-MRPHLNO-101021-2

P

Seeded From UniProt

complete


See also

References

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