慢性関節リウマチ患者における胃粘膜病変増悪因子としての血中サブスタンスＰの意義

DOI PubMed 参考文献43件

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  • Involvement of substance P in gastric mucosal lesions of patients with rheumatoid arthritis.

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We investigated the relation between gastric mucosal lesions and substance P (SP) in 64 patients with rheumatoid arthritis (RA) taking nonsteroidal antiinflammatory drugs (NSAIDs). In these patients, the incidence of gastric mucosal lesions was as high as 53.1%. Serum SP levels were significantly higher in patients with gastric mucosal lesions than in those without gastric lesions. Erythrocyte sedimentation rate, serum C-reactive protein and rheumatoid factor (RF) levels were also higher in patients with gastric mucosal lesions. A positive correlation between serum SP and RF levels was found in patients with RA. Experimental gastric mucosal lesions induced by an oral administration of indomethacin in rats were significantly enhanced by an additional intraperitoneal injection of SP. From these observations, it is suggested that, in addition to the effect of NSAIDs, SP elevation in blood has a role in the development of gastric mucosal lesion in patients with RA.

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