Transcriptomic analysis of mechanism of melanoma cell death induced by photothermal therapy.

Transcriptomic analysis of mechanism of melanoma cell death induced by photothermal therapy.
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光热疗法诱导黑色素瘤细胞死亡机制的转录组分析

DOI:
10.1002/jbio.202100034
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发表时间:
2021-08
影响因子:
2.8
通讯作者:
Wang X
Wang X
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Yan G;Shi L;Zhang F;Luo M;Zhang G;Liu P;Liu K;Chen WR;Wang X

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黑色素瘤是一种预后不良的恶性肿瘤。其发病率一直在上升,对不同人群构成了很大的健康和经济挑战。光热疗法(Photothermal therapy,PTT)是治疗各种肿瘤,特别是皮肤恶性黑色素瘤的有效局部疗法。为了充分理解PTT诱导的肿瘤细胞死亡的机制,我们研究了PTT处理后B16-F10肿瘤的基因表达和免疫细胞组成。共鉴定了256个差异表达基因(DEG),其中215个被PTT下调,41个被PTT上调。功能注释显示DEG主要参与免疫应答和炎症反应。免疫细胞组成推断显示PTT处理后许多免疫细胞包括调节性T细胞、M2巨噬细胞和B细胞发生变化。我们的研究结果有助于描述在转录水平上由无外源性光吸收剂的黑色素瘤的非侵入性PTT治疗触发的细胞死亡机制。
Melanoma is a malignancy with poor prognosis. Its incidence rate has been on the rise and it poses high health and economic challenges to different populations. Photothermal therapy (PTT) served as an effective local therapy in treating various tumors, particularly cutaneous carcinoma like melanoma. To fully understand the mechanisms of tumor cell death induced by PTT, we investigated gene expression and immune cells compositions of B16‐F10 tumors after PTT treatment. A total of 256 differentially expressed genes (DEGs) were identified, with 215 being downregulated and 41 upregulated by PTT. Functional annotation showed that most DEGs involved in immune response and inflammatory response. Immune cells compositions inference revealed changes in many immune cells including regulatory T cells, M2 macrophage and B cells after PTT treatment. Our results help delineate the mechanism of cell death at the transcriptional level triggered by non‐invasive PTT treatment of melanoma without exogenous light absorbing agents.
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