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词汇 vitellogenin
释义

Definition of vitellogenin in English:

vitellogenin

nounvɪˌtɛlə(ʊ)ˈdʒɛnɪnˌvɪt(ə)ləʊˈdʒɛnɪnvīˈteləˌjenən
Biochemistry
  • A protein present in the blood, from which the substance of egg yolk is derived.

    〔生化〕卵黄原蛋白,卵黄生成素

    Example sentencesExamples
    • In order to develop vitellogenin as a biomarker for xenobiotic exposure and endocrine disruption in invertebrates, an understanding of the hormonal control mechanisms is necessary.
    • For example, induction of the female-specific protein, vitellogenin, in male fish is a well-known effect of exposure to xeno-oestrogens and serves as a biomarker of such exposure.
    • They assayed the fish plasma for the estrogenic biomarker, vitellogenin, the major egg-yolk protein under synthesis control of endogenous estradiol.
    • Nondestructive analyses of plasma sampled from birds when captured may, however, be used to identify fecund females, using an egg yolk protein called vitellogenin.
    • This developmental effect is irreversible, unlike the induction of vitellogenin in adults which ceases once estrogen exposure ends.

Origin

1960s: from vitellus + -gen + -in1.

Definition of vitellogenin in US English:

vitellogenin

nounvīˈteləˌjenən
Biochemistry
  • A protein present in the blood, from which the substance of egg yolk is derived.

    〔生化〕卵黄原蛋白,卵黄生成素

    Example sentencesExamples
    • Nondestructive analyses of plasma sampled from birds when captured may, however, be used to identify fecund females, using an egg yolk protein called vitellogenin.
    • They assayed the fish plasma for the estrogenic biomarker, vitellogenin, the major egg-yolk protein under synthesis control of endogenous estradiol.
    • This developmental effect is irreversible, unlike the induction of vitellogenin in adults which ceases once estrogen exposure ends.
    • For example, induction of the female-specific protein, vitellogenin, in male fish is a well-known effect of exposure to xeno-oestrogens and serves as a biomarker of such exposure.
    • In order to develop vitellogenin as a biomarker for xenobiotic exposure and endocrine disruption in invertebrates, an understanding of the hormonal control mechanisms is necessary.

Origin

1960s: from vitellus + -gen + -in.

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