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PMID |
Sentence |
1 |
21589925
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We found that MCP-1 induced amylin expression at transcriptional level and increased proamylin and intermediate forms of amylin at protein level in MIN6 cells and islets.
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2 |
21589925
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However, MCP-1 had no effect on the expressions of proinsulin 1 and 2, as well as prohormone convertase (PC) 1/3 and PC2, suggesting that MCP-1 specifically induces amylin expression in ?-cells.
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3 |
21589925
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Mechanistic studies showed that although there is no detectable CCR2 mRNA in MIN6 cells and islets, pretreatment of MIN6 cells with pertussis toxin inhibited MCP-1 induced amylin expression, suggesting that alternative Gi-coupled receptor(s) mediates the inductive effect of MCP-1.
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4 |
21589925
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These results suggest that MCP-1 induces murine amylin expression through AP1 activation mediated by ERK1/2 or JNK.
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5 |
21589925
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MCP-1 induces amylin expression through ERK1/2/JNK-AP1 and NF-?B related signaling pathways independent of CCR2.
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6 |
21589925
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Amylin upregulation by MCP-1 may contribute to elevation of plasma amylin in obesity and insulin resistance.
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