结论：鞘内注射新斯的明的抗伤害作用可能与抑制脊髓背角P物质表达有关。
Conclusion: The anti-nociceptive effect of intrathecal neostigmine is possibly mediated via the decrease of SP in the spinal dorsal horn.
基因表达模式(patterns of gene expression)受细胞物质外基因所控。外基因，高于基因，通俗点说，基因之外(前缀epi -，意即上面)。
These patterns of gene expression are governed by the cellular material - the epigenome - that sits on top of the genome, just outside it (hence the prefix epi -, which means above).
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