Identificatioin of the α isoform of preprotachykinin-A mRNA in synovial fibroblasts isolated from patients with rheumatoid arthritis
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- ABE Kazuki
- Research Laboratory, Minophagen Pharmaceutical Co.
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- NISHIKAWA Takuji
- Department of Orthopedic Surgery, University of Tokyo
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- YAMAMOTO Seizou
- Department of Orthopedic Surgery, Tokyo Metropolitan Geriatric Medical Hospital
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- KOSHIHARA Yasuko
- Department of Nutrition, Tokyo Metropolitan Institute of Gerontology
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- HIRABAYASHI Kazuhiro
- Research Laboratory, Minophagen Pharmaceutical Co.
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- SATO Toshitsugu
- Research Laboratory, Minophagen Pharmaceutical Co.
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- INOUE Hideo
- Research Laboratory, Minophagen Pharmaceutical Co.
書誌事項
- タイトル別名
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- Identification of the α isoform of preprotachykinin-A mRNA in synovial fibroblasts isolated from patients with rheumatoid arthritis
- Identificatioin of the アルファ isoform of preprotachykinin A mRNA in synovial fibroblasts isolated from patients with rheumatoid arthritis
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Previous study showed that synovial fibroblasts derived from patients with rheumatoid arthritis (RA) and osteoarthritis (OA) express β-preprotachykinin (PPT)-A mRNA and release substance P (SP). In this study, we examined the presence of an isoform of PPT-A mRNA in synovial and normal skin fibroblasts by reverse transcription-polymerase chain reaction (RT-PCR) analysis. RA synovial fibroblasts, but not OA synovial and skin fibroblasts, expressed α-isoform PPT-A mRNA together with β-PPT-A mRNA. However, expression of γ- and δ-PPT mRNAs was not observed in synovial and skin fibroblasts. Levels of both α- and β-PPT-A mRNAs were increased in RA fibroblasts treated with transforming growth factor (TGF)-β and basic fibroblast growth factor (bFGF). Treatment with TGF-β and bFGF strongly increased the expression of α- and β-PPT-A mRNAs compared to the individual treatment. Peak levels of α-PPT-A mRNA were reached at 8h whereas those of β-PPT-A mRNA were maximal at 12h after treatment with TGF-β and bFGF. These findings suggest that SP production by synovial fibroblasts in RA is regulated through signaling pathways that lead to the generation of both α- and β-PPT-A mRNAs.
収録刊行物
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- Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences
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Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences 77 (10), 203-207, 2001
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詳細情報 詳細情報について
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- CRID
- 1390001204147355648
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- NII論文ID
- 130000907979
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- NII書誌ID
- AA00785485
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- ISSN
- 13492896
- 03862208
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- NDL書誌ID
- 6048797
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可