All-trans retinoic acid (atRA) differentially induces apoptosis in matched primary and metastatic melanoma cells - A speculation on damage effect of atRA via mitochondrial dysfunction and cell cycle redistribution

H. Zhang, K. Satyamoorthy, M. Herlyn, I. Rosdahl

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    Abstract

    All-trans retinoic acid (atRA) has been suggested to exert its cytotoxicity via apoptosis but the mechanisms behind the damage effects have not been fully understood. In this study, we investigated the cytotoxic effects of atRA in eleven primary and matched metastatic cutaneous melanoma cell lines. All the primary and metastatic melanoma cell lines examined expressed the retinoic acid receptors. The cultured melanoma cells treated with atRA showed dysfunction of mitochondria and altered cell cycle distribution, inhibited cell proliferation and apoptosis. The cytotoxic effects of atRA were dose- and time-dependent. The dysfunction of mitochondria and altered cell cycle distribution, inhibited cell proliferation and apoptosis. The cytotoxic effects of atRA were dose- and time-dependent. The dysfunction of mitochondria and induction of apoptosis were more pronounced in the primary tumor cells than in the metastatic cell lines from the same patients. The data indicate that the cytotoxic effect of atRA was mediated through dysfunction of mitochondria, alterations in cell cycle and induction of apoptosis. Melanoma in early stage may have better response to atRA adjuvant therapy than the melanoma in late stage, suggesting the early utility of atRA in melanoma chemotherapy.

    Original languageEnglish
    Pages (from-to)185-191
    Number of pages7
    JournalCarcinogenesis
    Volume24
    Issue number2
    DOIs
    Publication statusPublished - 01-02-2003

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    Tretinoin
    Melanoma
    Cell Cycle
    Apoptosis
    Mitochondria
    Cell Line
    Cell Proliferation
    Retinoic Acid Receptors
    Cultured Cells
    Drug Therapy
    Skin
    Neoplasms

    All Science Journal Classification (ASJC) codes

    • Cancer Research

    Cite this

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    title = "All-trans retinoic acid (atRA) differentially induces apoptosis in matched primary and metastatic melanoma cells - A speculation on damage effect of atRA via mitochondrial dysfunction and cell cycle redistribution",
    abstract = "All-trans retinoic acid (atRA) has been suggested to exert its cytotoxicity via apoptosis but the mechanisms behind the damage effects have not been fully understood. In this study, we investigated the cytotoxic effects of atRA in eleven primary and matched metastatic cutaneous melanoma cell lines. All the primary and metastatic melanoma cell lines examined expressed the retinoic acid receptors. The cultured melanoma cells treated with atRA showed dysfunction of mitochondria and altered cell cycle distribution, inhibited cell proliferation and apoptosis. The cytotoxic effects of atRA were dose- and time-dependent. The dysfunction of mitochondria and altered cell cycle distribution, inhibited cell proliferation and apoptosis. The cytotoxic effects of atRA were dose- and time-dependent. The dysfunction of mitochondria and induction of apoptosis were more pronounced in the primary tumor cells than in the metastatic cell lines from the same patients. The data indicate that the cytotoxic effect of atRA was mediated through dysfunction of mitochondria, alterations in cell cycle and induction of apoptosis. Melanoma in early stage may have better response to atRA adjuvant therapy than the melanoma in late stage, suggesting the early utility of atRA in melanoma chemotherapy.",
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    AU - Satyamoorthy, K.

    AU - Herlyn, M.

    AU - Rosdahl, I.

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    N2 - All-trans retinoic acid (atRA) has been suggested to exert its cytotoxicity via apoptosis but the mechanisms behind the damage effects have not been fully understood. In this study, we investigated the cytotoxic effects of atRA in eleven primary and matched metastatic cutaneous melanoma cell lines. All the primary and metastatic melanoma cell lines examined expressed the retinoic acid receptors. The cultured melanoma cells treated with atRA showed dysfunction of mitochondria and altered cell cycle distribution, inhibited cell proliferation and apoptosis. The cytotoxic effects of atRA were dose- and time-dependent. The dysfunction of mitochondria and altered cell cycle distribution, inhibited cell proliferation and apoptosis. The cytotoxic effects of atRA were dose- and time-dependent. The dysfunction of mitochondria and induction of apoptosis were more pronounced in the primary tumor cells than in the metastatic cell lines from the same patients. The data indicate that the cytotoxic effect of atRA was mediated through dysfunction of mitochondria, alterations in cell cycle and induction of apoptosis. Melanoma in early stage may have better response to atRA adjuvant therapy than the melanoma in late stage, suggesting the early utility of atRA in melanoma chemotherapy.

    AB - All-trans retinoic acid (atRA) has been suggested to exert its cytotoxicity via apoptosis but the mechanisms behind the damage effects have not been fully understood. In this study, we investigated the cytotoxic effects of atRA in eleven primary and matched metastatic cutaneous melanoma cell lines. All the primary and metastatic melanoma cell lines examined expressed the retinoic acid receptors. The cultured melanoma cells treated with atRA showed dysfunction of mitochondria and altered cell cycle distribution, inhibited cell proliferation and apoptosis. The cytotoxic effects of atRA were dose- and time-dependent. The dysfunction of mitochondria and altered cell cycle distribution, inhibited cell proliferation and apoptosis. The cytotoxic effects of atRA were dose- and time-dependent. The dysfunction of mitochondria and induction of apoptosis were more pronounced in the primary tumor cells than in the metastatic cell lines from the same patients. The data indicate that the cytotoxic effect of atRA was mediated through dysfunction of mitochondria, alterations in cell cycle and induction of apoptosis. Melanoma in early stage may have better response to atRA adjuvant therapy than the melanoma in late stage, suggesting the early utility of atRA in melanoma chemotherapy.

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