Expression of sulfotransferases involved in the biosynthesis of chondroitin sulfate E in the bone marrow derived mast cells
Bone marrow-derived mast cells (BMMCs) contain chondroitin sulfate (CS)-E comprised of GlcA-GalNAc(4SO4) units and GlcA-GalNAc(4,6-SO4) units. GalNAc 4-sulfate 6-O-sulfotransferase (GalNAc4S-6ST) transfers sulfate to position 6 of GalNAc(4SO4) residues of CS. On the basis of the specificity of GalNAc4S-6ST, it is thought that CS-E is synthesized in BMMC through the sequential sulfation by chondroitin 4-sulfotransferase (C4ST)-1 and GalNAc4S-6ST. In this paper, we investigated whether GalNAc4S-6ST and C4ST-1 are actually expressed in BMMCs in which CS-E is actively synthesized. As the bone marrow cells differentiate to BMMCs, level of C4ST-1 and GalNAc4S-6ST messages increased, whereas chondroitin 6-sulfotransferase (C6ST)-1 message decreased. In the extract of BMMCs, activity of GalNAc4S-6ST and C4ST but not C6ST were detected. The recombinant mouse GalNAc4S-6ST transferred sulfate to both nonreducing terminal and internal GalNAc(4SO4) residues; the activity toward nonreducing terminal GalNAc(4SO4) was increased with increasing pH. When CS-E synthesized by BMMCs was metabolically labeled with 35SO4 in the presence of bafilomycin A, chloroquine or NH4Cl, the proportion of the nonreducing terminal GalNAc(4,6-SO4) was increased compared with the control, suggesting that GalNAc4S-6ST in BMMC may elaborate CS-E in the intracellular compartment with relatively low pH where sulfation of the internal GalNAc(4SO4) by GalNAc4S-6ST preferentially occurs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2008 |
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| Erschienen: |
2008 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:1780 |
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| Enthalten in: |
Biochimica et biophysica acta - 1780(2008), 4 vom: 04. Apr., Seite 687-95 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ohtake, Shiori [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 27.05.2008 Date Revised 26.11.2016 published: Print-Electronic GENBANK: AB187269 Citation Status MEDLINE |
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| doi: |
10.1016/j.bbagen.2008.01.004 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM177262486 |
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| 100 | 1 | |a Ohtake, Shiori |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Expression of sulfotransferases involved in the biosynthesis of chondroitin sulfate E in the bone marrow derived mast cells |
| 264 | 1 | |c 2008 | |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a GENBANK: AB187269 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Bone marrow-derived mast cells (BMMCs) contain chondroitin sulfate (CS)-E comprised of GlcA-GalNAc(4SO4) units and GlcA-GalNAc(4,6-SO4) units. GalNAc 4-sulfate 6-O-sulfotransferase (GalNAc4S-6ST) transfers sulfate to position 6 of GalNAc(4SO4) residues of CS. On the basis of the specificity of GalNAc4S-6ST, it is thought that CS-E is synthesized in BMMC through the sequential sulfation by chondroitin 4-sulfotransferase (C4ST)-1 and GalNAc4S-6ST. In this paper, we investigated whether GalNAc4S-6ST and C4ST-1 are actually expressed in BMMCs in which CS-E is actively synthesized. As the bone marrow cells differentiate to BMMCs, level of C4ST-1 and GalNAc4S-6ST messages increased, whereas chondroitin 6-sulfotransferase (C6ST)-1 message decreased. In the extract of BMMCs, activity of GalNAc4S-6ST and C4ST but not C6ST were detected. The recombinant mouse GalNAc4S-6ST transferred sulfate to both nonreducing terminal and internal GalNAc(4SO4) residues; the activity toward nonreducing terminal GalNAc(4SO4) was increased with increasing pH. When CS-E synthesized by BMMCs was metabolically labeled with 35SO4 in the presence of bafilomycin A, chloroquine or NH4Cl, the proportion of the nonreducing terminal GalNAc(4,6-SO4) was increased compared with the control, suggesting that GalNAc4S-6ST in BMMC may elaborate CS-E in the intracellular compartment with relatively low pH where sulfation of the internal GalNAc(4SO4) by GalNAc4S-6ST preferentially occurs | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Disaccharides |2 NLM | |
| 650 | 7 | |a Macrolides |2 NLM | |
| 650 | 7 | |a Recombinant Proteins |2 NLM | |
| 650 | 7 | |a Ammonium Chloride |2 NLM | |
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| 650 | 7 | |a Chloroquine |2 NLM | |
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| 650 | 7 | |a Chondroitin Sulfates |2 NLM | |
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| 650 | 7 | |a Sulfotransferases |2 NLM | |
| 650 | 7 | |a EC 2.8.2.- |2 NLM | |
| 700 | 1 | |a Kondo, Sachiko |e verfasserin |4 aut | |
| 700 | 1 | |a Morisaki, Toshiko |e verfasserin |4 aut | |
| 700 | 1 | |a Matsumura, Kaori |e verfasserin |4 aut | |
| 700 | 1 | |a Kimata, Koji |e verfasserin |4 aut | |
| 700 | 1 | |a Habuchi, Osami |e verfasserin |4 aut | |
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