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词汇 perforin
释义

Definition of perforin in English:

perforin

noun ˈpəːfərɪnˈpərfərən
mass nounBiochemistry

  • A protein, released by killer cells of the immune system, which destroys targeted cells by creating lesions like pores in their membranes.

    〔生化〕穿孔素

    Example sentencesExamples
    • The CD8 cells of long-term nonprogressors produce more perforin than do CD8 cells of HIV-positive people who developed AIDS, the scientists found.

Origin

1980s: from the verb perforate + -in1.

Definition of perforin in US English:

perforin

nounˈpərfərən
Biochemistry

  • A protein, released by killer cells of the immune system, which destroys targeted cells by creating lesions like pores in their membranes.

    〔生化〕穿孔素

    Example sentencesExamples
    • The CD8 cells of long-term nonprogressors produce more perforin than do CD8 cells of HIV-positive people who developed AIDS, the scientists found.

Origin

1980s: from the verb perforate + -in.
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