CN114848673A - 血小板或抑制线粒体活性的血小板在制备抑癌制剂中的应用 - Google Patents

血小板或抑制线粒体活性的血小板在制备抑癌制剂中的应用 Download PDF

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CN114848673A
CN114848673A CN202210570219.XA CN202210570219A CN114848673A CN 114848673 A CN114848673 A CN 114848673A CN 202210570219 A CN202210570219 A CN 202210570219A CN 114848673 A CN114848673 A CN 114848673A
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platelets
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platelet
blood platelet
mitochondrial activity
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CN114848673B (zh
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高俊杰
章文侃
张长青
叶招明
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Shanghai Sixth Peoples Hospital
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Abstract

本发明涉及血小板在制备抑癌制剂中的应用;本发明还涉及抑制线粒体活性的血小板在制备抑癌制剂中的应用;本发明的血小板或抑制线粒体活性的血小板具有抑制癌细胞生长或/和转移的作用。

Description

血小板或抑制线粒体活性的血小板在制备抑癌制剂中的应用
技术领域
本发明涉及生物医药技术领域,尤其涉及血小板或抑制线粒体活性的血小板在制备抑癌制剂中的应用。
背景技术
血小板是从骨髓成熟的巨核细胞胞浆裂解脱落下来的小块胞质,对机体的止血功能极为重要。在肿瘤进展过程中,血小板的数目呈现出不同的变化。目前主要认为,血小板可能在肿瘤进展过程中增多,并作为肿瘤的燃料仓库,给肿瘤提供生长因子而发挥作用的。但也有研究发现,血小板会抑制肿瘤细胞的增殖。
血小板具有易于提取和改造等特点,因而亟需血小板或抑制线粒体活性的血小板在制备抑癌制剂中的应用。
发明内容
本发明的目的是针对现有技术中的不足,提供血小板或抑制线粒体活性的血小板在制备抑癌制剂中的应用。
为实现上述目的,本发明采取的技术方案是:
本发明的第一方面是提供血小板在制备抑癌制剂中的应用。
本发明的第二方面是提供抑制线粒体活性的血小板在制备抑癌制剂中的应用。
优选地,所述抑癌制剂为抑制癌细胞生长或/和转移的生物制剂。
优选地,所述癌细胞选自:肺癌细胞、乳腺癌细胞或骨癌细胞中的至少一种。
优选地,所述抑制线粒体活性的血小板为经寡霉素刺激的血小板。
优选地,所述寡霉素的浓度为3μmol/L-7μmol/L。
优选地,所述抑制线粒体活性的血小板为经鱼藤酮以及抗霉素A刺激的血小板。
优选地,所述鱼藤酮的浓度为1μmol/L-3μmol/L。
优选地,所述抗霉素A的浓度为1μmol/L-3μmol/L。
本发明采用以上技术方案,与现有技术相比,具有如下技术效果:
本发明的血小板或抑制线粒体活性的血小板具有抑制癌细胞生长或/和转移的作用。
附图说明
图1为本发明实施例3中CCK8-细胞增殖毒性检测细胞活性的结果图;
图2为本发明实施例3中细胞迁移实验检测细胞细胞转移能力的结果图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。
需要说明的是,在不冲突的情况下,本发明中的实施例及实施例中的特征可以相互组合。
下面结合附图和具体实施例对本发明作进一步说明,但不作为本发明的限定。
实施例1分离纯化血小板
将获得的血液样品保存于肝素化台氏液(Tyrode's solution,134mM NaCl,2.9mMKCl,12mM NaHCO3,0.34mM Na2HPO4,20mM HEPES,pH 7.0,5mM葡萄糖和0.35%牛血清白蛋白)中,通过150g低速离心10分钟获得富血小板血浆,同时加入1%的前列腺素E2(PGE2)防止血小板激活;通过600g室温离心5分钟获得血小板沉淀;通过台氏液对血小板沉淀重悬,即得。
实施例2抑制线粒体活性
将实施例1所获得的血小板经5μmol/L的寡霉素(oligomycin)刺激3小时;或
将实施例1所获得的血小板经2μmol/L的鱼藤酮(rotenone)以及2μmol/L的抗霉素A(antimycin)刺激3小时;
即得抑制线粒体活性的血小板。
实施例3细胞实验
K7M2(小鼠骨肉瘤成骨细胞)分为三组,血小板组中加入数量为细胞数量100倍的血小板,抑制线粒体活性的血小板组中加入数量为细胞数量100倍的抑制线粒体活性的血小板,对照组中加入与血小板组或抑制线粒体活性的血小板组等量的PBS缓冲液;
通过CCK8-细胞增殖毒性检测细胞活性,结果如图1所示,血小板组较对照组而言,具有显著地(*p<0.05)抑制癌细胞生长的作用;抑制线粒体活性的血小板组较血小板组而言,具有较显著地(**p<0.01)抑制癌细胞生长的作用;
通过细胞迁移实验检测细胞转移能力,结果如图2所示,血小板组较对照组而言,具有极其显著地(***p<0.001)促进癌细胞转移的作用;抑制线粒体活性的血小板组较血小板组而言,具有极其显著地(***p<0.001)抑制癌细胞转移的作用。
综上所述,血小板或抑制线粒体活性的血小板具有抑制癌细胞生长或/和转移的作用。
以上所述仅为本发明较佳的实施例,并非因此限制本发明的实施方式及保护范围,对于本领域技术人员而言,应当能够意识到凡运用本发明说明书及图示内容所作出的等同替换和显而易见的变化所得到的方案,均应当包含在本发明的保护范围内。

Claims (9)

1.血小板在制备抑癌制剂中的应用。
2.抑制线粒体活性的血小板在制备抑癌制剂中的应用。
3.根据权利要求1或2所述的应用,其特征在于,所述抑癌制剂为抑制癌细胞生长或/和转移的生物制剂。
4.根据权利要求3所述的应用,其特征在于,所述癌细胞选自:肺癌细胞、乳腺癌细胞或骨癌细胞中的至少一种。
5.根据权利要求2所述的应用,其特征在于,所述抑制线粒体活性的血小板为经寡霉素刺激的血小板。
6.根据权利要求5所述的应用,其特征在于,所述寡霉素的浓度为3μmol/L-7μmol/L。
7.根据权利要求2所述的应用,其特征在于,所述抑制线粒体活性的血小板为经鱼藤酮以及抗霉素A刺激的血小板。
8.根据权利要求7所述的应用,其特征在于,所述鱼藤酮的浓度为1μmol/L-3μmol/L。
9.根据权利要求7所述的应用,其特征在于,所述抗霉素A的浓度为1μmol/L-3μmol/L。
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US20130121979A1 (en) * 2003-12-29 2013-05-16 Allan Mishra Method of treating cancer using platelet compositions
WO2018072673A1 (zh) * 2016-10-17 2018-04-26 中国科学院动物研究所 一种调节血小板活性的药物、筛选方法及其用途
US20190048317A1 (en) * 2015-06-16 2019-02-14 Kyoto University Method for Producing Highly Functional Platelets
CN109689051A (zh) * 2016-08-02 2019-04-26 蒙特利尔大学 线粒体活性抑制剂用于治疗不良预后急性髓性白血病的用途
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US20190048317A1 (en) * 2015-06-16 2019-02-14 Kyoto University Method for Producing Highly Functional Platelets
CN109689051A (zh) * 2016-08-02 2019-04-26 蒙特利尔大学 线粒体活性抑制剂用于治疗不良预后急性髓性白血病的用途
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