The type III-9 repeat of human fibronectin is encoded by a single exon which is not alternatively spliced

Cell Biol Int. 1993 Nov;17(11):989-92. doi: 10.1006/cbir.1993.1027.

Abstract

Type III homologies of human fibronectin are generally encoded by two exons, with the exception of the ED-A and ED-B repeats which are encoded by a single exon undergoing alternative splicing. We report that also the type III-9 homology is encoded by a single exon. Further more, RT-PCR analysis, performed on mRNA purified from fetal and adult tissues and from normal and tumor-derived cell types, showed that the III-9 region is not undergoing alternative splicing in all samples tested.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Alternative Splicing
  • Base Sequence
  • Cell Line
  • DNA / blood
  • DNA / isolation & purification
  • DNA / metabolism
  • DNA Primers
  • DNA, Neoplasm / isolation & purification
  • DNA, Neoplasm / metabolism
  • Electrophoresis, Agar Gel
  • Exons*
  • Female
  • Fetus
  • Fibronectins / biosynthesis
  • Fibronectins / genetics*
  • Humans
  • Leukocytes / metabolism
  • Molecular Sequence Data
  • Organ Specificity
  • Polymerase Chain Reaction
  • Pregnancy
  • Repetitive Sequences, Nucleic Acid*
  • Tumor Cells, Cultured

Substances

  • DNA Primers
  • DNA, Neoplasm
  • Fibronectins
  • DNA