Helaakoski T - Search Results

1

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

Nokelainen M, Helaakoski T, Myllyharju J, Notbohm H, Pihlajaniemi T, Fietzek PP, Kivirikko KI. Nokelainen M, et al. Among authors: helaakoski t. Matrix Biol. 1998 Jan;16(6):329-38. doi: 10.1016/s0945-053x(98)90004-x. Matrix Biol. 1998. PMID: 9503366

2

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.

Helaakoski T, Annunen P, Vuori K, MacNeil IA, Pihlajaniemi T, Kivirikko KI. Helaakoski T, et al. Proc Natl Acad Sci U S A. 1995 May 9;92(10):4427-31. doi: 10.1073/pnas.92.10.4427. Proc Natl Acad Sci U S A. 1995. PMID: 7753822 Free PMC article.

3

Characterization of human type III collagen expressed in a baculovirus system. Production of a protein with a stable triple helix requires coexpression with the two types of recombinant prolyl 4-hydroxylase subunit.

Lamberg A, Helaakoski T, Myllyharju J, Peltonen S, Notbohm H, Pihlajaniemi T, Kivirikko KI. Lamberg A, et al. Among authors: helaakoski t. J Biol Chem. 1996 May 17;271(20):11988-95. doi: 10.1074/jbc.271.20.11988. J Biol Chem. 1996. PMID: 8662631 Free article.

4

Cloning of the human prolyl 4-hydroxylase alpha subunit isoform alpha(II) and characterization of the type II enzyme tetramer. The alpha(I) and alpha(II) subunits do not form a mixed alpha(I)alpha(II)beta2 tetramer.

Annunen P, Helaakoski T, Myllyharju J, Veijola J, Pihlajaniemi T, Kivirikko KI. Annunen P, et al. Among authors: helaakoski t. J Biol Chem. 1997 Jul 11;272(28):17342-8. doi: 10.1074/jbc.272.28.17342. J Biol Chem. 1997. PMID: 9211872 Free article.

5

Complete exon-intron organization of the gene for human lysyl hydroxylase 3 (LH3).

Rautavuoma K, Passoja K, Helaakoski T, Kivirikko KI. Rautavuoma K, et al. Among authors: helaakoski t. Matrix Biol. 2000 Feb;19(1):73-9. doi: 10.1016/s0945-053x(99)00058-x. Matrix Biol. 2000. PMID: 10686427

6

Characterization of the human and mouse genes for the alpha subunit of type II prolyl 4-hydroxylase. Identification of a previously unknown alternatively spliced exon and its expression in various tissues.

Nokelainen M, Nissi R, Kukkola L, Helaakoski T, Myllyharju J. Nokelainen M, et al. Among authors: helaakoski t. Eur J Biochem. 2001 Oct;268(20):5300-9. doi: 10.1046/j.0014-2956.2001.02464.x. Eur J Biochem. 2001. PMID: 11606192 Free article.

7

Increases in mRNA concentrations of the alpha and beta subunits of prolyl 4-hydroxylase accompany increased gene expression of type IV collagen during differentiation of mouse F9 cells.

Helaakoski T, Pajunen L, Kivirikko KI, Pihlajaniemi T. Helaakoski T, et al. J Biol Chem. 1990 Jul 15;265(20):11413-6. J Biol Chem. 1990. PMID: 1694844 Free article.

8

Molecular biology of prolyl 4-hydroxylase.

Kivirikko KI, Helaakoski T, Tasanen K, Vuori K, Myllylä R, Parkkonen T, Pihlajaniemi T. Kivirikko KI, et al. Among authors: helaakoski t. Ann N Y Acad Sci. 1990;580:132-42. doi: 10.1111/j.1749-6632.1990.tb17925.x. Ann N Y Acad Sci. 1990. PMID: 2159748 No abstract available.

9

Specific inactivation of prolyl 4-hydroxylase and inhibition of collagen synthesis by oxaproline-containing peptides in cultured human skin fibroblasts.

Karvonen K, Ala-Kokko L, Pihlajaniemi T, Helaakoski T, Henke S, Günzler V, Kivirikko KI, Savolainen ER. Karvonen K, et al. Among authors: helaakoski t. J Biol Chem. 1990 May 25;265(15):8415-9. J Biol Chem. 1990. PMID: 2160457 Free article.

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.

Helaakoski T, Vuori K, Myllylä R, Kivirikko KI, Pihlajaniemi T. Helaakoski T, et al. Proc Natl Acad Sci U S A. 1989 Jun;86(12):4392-6. doi: 10.1073/pnas.86.12.4392. Proc Natl Acad Sci U S A. 1989. PMID: 2543975 Free PMC article.

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