Matrix Metalloproteinase-8 Is Expressed in Rheumatoid Synovial Fibroblasts and Endothelial Cells

Roeland Hanemaaijer, Timo Sorsa, Yrjö T. Konttinen, +9

Journal of Biological Chemistry

Endothelial CellsImmunologyMatrix Metalloproteinase-8 IsPathologyInflammation +14

Molecular cloning of the beta-subunit of human prolyl 4-hydroxylase. This subunit and protein disulphide isomerase are products of the same gene.

Taina Pihlajaniemi, Tarja Helaakoski, Kaisa Tasanen, +4

The EMBO Journal

Cellular EnzymologyBiochemistryNatural SciencesProtein Disulphide IsomeraseMolecular Biology +5

A single polypeptide acts both as the beta subunit of prolyl 4-hydroxylase and as a protein disulfide-isomerase.

Juha Koivu, Raili Myllylä, Tarja Helaakoski, +3

Journal of Biological Chemistry

Protein FunctionProtein Disulfide-isomeraseProtein ExpressionBiochemistryApparent Molecular Weights +12

Cloning of the Human Prolyl 4-Hydroxylase α Subunit Isoform α(II) and Characterization of the Type II Enzyme Tetramer

Pia Annunen, Tarja Helaakoski, Johanna Myllyharju, +3

Journal of Biological Chemistry

BiosynthesisDevelopmental BiologyType Ii TetramerBiochemistryProtein Expression +10

Molecular cloning of the alpha-subunit of human prolyl 4-hydroxylase: the complete cDNA-derived amino acid sequence and evidence for alternative splicing of RNA transcripts.

Tarja Helaakoski, Kristina Vuori, Raili Myllylä, +2

Proceedings of the National Academy of Sciences

GeneticsRna SplicingMolecular BiologyMolecular GeneticsSplicing Variant +17

Characterization of Human Type III Collagen Expressed in a Baculovirus System

Arja Lamberg, Tarja Helaakoski, Johanna Myllyharju, +4

Journal of Biological Chemistry

Cloning, baculovirus expression, and characterization of a second mouse prolyl 4-hydroxylase alpha-subunit isoform: formation of an alpha 2 beta 2 tetramer with the protein disulfide-isomerase/beta subunit.

Tarja Helaakoski, Pia Annunen, Kristina Vuori, +3

Proceedings of the National Academy of Sciences

Type Ii EnzymeProtein FunctionProtein ExpressionCellular EnzymologyBiochemistry +11

Molecular Biology of Prolyl 4‐Hydroxylase

Kari I. Kivirikko, Tarja Helaakoski, Kaisa Tasanen, +4

Annals of the New York Academy of Sciences

Prolyl 4‐HydroxylaseCellular EnzymologyBiochemistry

Tissue-specific expression of the mouse alpha 2(I) collagen promoter. Studies in transgenic mice and in tissue culture cells.

Harry Goldberg, Tarja Helaakoski, Gérard Karsenty, +4

Journal of Biological Chemistry

GeneticsTissue Culture CellsTranscriptional RegulationTissue DevelopmentProtein Expression +14

Expression and characterization of recombinant human type II collagens with low and high contents of hydroxylysine and its glycosylated forms

Minna Nokelainen, Tarja Helaakoski, Johanna Myllyharju, +4

Matrix Biology

Glycosylated FormsEngineeringGlycosylationGlycobiologyHigh Contents +7