Molecular cloning and developmental expression of a hyaluronan and proteoglycan link protein gene, crtl1/hapln1, in zebrafish

Jeong Suk Kang, Yasuhiko Kawakami, Yoko Bekku, Yoshifumi Ninomiya, Juan Carlos Izpisúa Belmonte, Toshitaka Oohashi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The proteoglycan aggregate of the cartilage is composed of aggrecan, link protein (LP), and hyaluronan, providing resistance to compression in joints and cartilage structures. To further understand the function of LP during the process of chondrogenesis and bone formation in zebrafish, we cloned the zebrafish cDNA for hyaluronan and proteoglycan link protein 1 (crtl1/hapln1) and examined the expression of the gene during embryogenesis using in-situ hybridization. crtl1/hapln1 expression is first observed in the adaxial cells at the bud-stage. Throughout somitogenesis, crtl1/hapln1 is expressed in the sclerotomes, floor plate, and hypochord. In addition, crtl1/hapln1 is expressed in rhombomeres 3 and 5, pharyngeal arches, telecephalon, otic vesicles, and pectral fins. During chondrocranial/skull formation, crtl1/hapln1 expression is highest at around 4 dpf and is colocalized with aggrecan in the cartilaginous arches and with dermacan in the dermal bones.

Original languageEnglish
Pages (from-to)912-918
Number of pages7
JournalZoological Science
Volume25
Issue number9
DOIs
Publication statusPublished - Sep 2008

Fingerprint

hyaluronic acid
proteoglycans
Danio rerio
molecular cloning
cartilage
chondrogenesis
genes
proteins
protein aggregates
bone formation
joints (animal)
skull
in situ hybridization
fins
ears
embryogenesis
buds
bones
gene expression
cells

Keywords

  • Cartilage replaced bone
  • Craniofacial development
  • Dermal bone
  • Hapln
  • Hyaluronan and proteoglycan link protein
  • Lectican
  • Zebrafish

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Molecular cloning and developmental expression of a hyaluronan and proteoglycan link protein gene, crtl1/hapln1, in zebrafish. / Kang, Jeong Suk; Kawakami, Yasuhiko; Bekku, Yoko; Ninomiya, Yoshifumi; Belmonte, Juan Carlos Izpisúa; Oohashi, Toshitaka.

In: Zoological Science, Vol. 25, No. 9, 09.2008, p. 912-918.

Research output: Contribution to journalArticle

Kang, Jeong Suk ; Kawakami, Yasuhiko ; Bekku, Yoko ; Ninomiya, Yoshifumi ; Belmonte, Juan Carlos Izpisúa ; Oohashi, Toshitaka. / Molecular cloning and developmental expression of a hyaluronan and proteoglycan link protein gene, crtl1/hapln1, in zebrafish. In: Zoological Science. 2008 ; Vol. 25, No. 9. pp. 912-918.
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