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Radiology:肝肿瘤模型小鼠不可逆性电穿孔的早期代谢反应并预测治疗效果探究

2018-02-24 shaosai MedSci原创

本研究旨在验证18F-FDG PET 标记物可用来早期发现肝脏肿瘤小鼠模型肝肿瘤不可逆性电穿孔(IRE)的治疗反应,并将结果发表在Radiology上。

本研究旨在验证18F-FDG PET 标记物可用来早期发现肝脏肿瘤小鼠模型肝肿瘤不可逆性电穿孔(IRE)的治疗反应,并将结果发表在Radiology上。

对小鼠肝脏左内叶及左外叶植入McA-RH7777肝肿瘤细胞,肿瘤细胞在7天左右生长长径约5mm左右,并利用MRI进行扫描确认。植入IRE电极条,对肝左内叶肿瘤组织进行消融。左外叶肿瘤作为对照组。利用PET/CT、MR成像在基线和IRE三天后进行扫描。在IRE14天后再次进行MR扫描。经过14天的随访,对小鼠进行处死并进行苏木精、CD34和半光天冬酶染色。在IRE3天后计算最大标准化摄入率(ΔSUV max)。利用轴位T2加权成像测量肿瘤的最大径变化(ΔD max)。比较ΔSUV max 、ΔD max。利用半光天冬酶-3-染色切片计算肿瘤细胞凋亡指数。利用Pearson相关系数评价14天后ΔSUV max 3天后 ΔD max(或细胞凋亡指数)。

结果为,ΔSUV max and ΔD max和细胞凋亡指数在治疗和未治疗的肿瘤间具有显着性差异(P < .001)。在治疗的肿瘤中,IRE3天后ΔSUV max与IRE14天后ΔD max和细胞凋亡指数 具有强相关性。

本研究表明, 18F-FDG PET参数能够作为小鼠模型肝肿瘤IRE治疗后反应早期发现的标识物。

原始出处:


10.1148/radiol.2017170920

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    2018-10-17 drj2003
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    2018-02-24 121832a9m88暂无昵称

    学习了

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1894039, encodeId=91bd1894039a2, content=<a href='/topic/show?id=5e456463eee' target=_blank style='color:#2F92EE;'>#治疗效果#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=64637, encryptionId=5e456463eee, topicName=治疗效果)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=373a131, createdName=jxrzshh, createdTime=Tue Nov 06 20:19:00 CST 2018, time=2018-11-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2033183, encodeId=cbca203318347, content=<a href='/topic/show?id=4999e014783' target=_blank style='color:#2F92EE;'>#电穿孔#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=74, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=70147, encryptionId=4999e014783, topicName=电穿孔)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=80c5136, createdName=drj2003, createdTime=Wed Oct 17 11:19:00 CST 2018, time=2018-10-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1377961, encodeId=2be113e7961ab, content=<a href='/topic/show?id=0d1ce5437ef' target=_blank style='color:#2F92EE;'>#穿孔#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75437, encryptionId=0d1ce5437ef, topicName=穿孔)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0ee7414, createdName=lanyan20020086, createdTime=Sun Feb 25 15:19:00 CST 2018, time=2018-02-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1580243, encodeId=5409158024371, content=<a href='/topic/show?id=76743853197' target=_blank style='color:#2F92EE;'>#可逆性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38531, encryptionId=76743853197, topicName=可逆性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=023016601943, createdName=小华子, createdTime=Sun Feb 25 15:19:00 CST 2018, time=2018-02-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=290367, encodeId=113929036ef7, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a8f22260741, createdName=121832a9m88暂无昵称, createdTime=Sat Feb 24 06:26:10 CST 2018, time=2018-02-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=290327, encodeId=fe7429032e40, content=学习了很有用, beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib3IzoRn621JdKCFUI4XvNELcibocrAVU6aUzEVDSaf3rYH08PUYUiagGqxAEhj8g9WqqNvD1CupIpCrmnR2OrqHZh/0, createdBy=7f181365728, createdName=飛歌, createdTime=Sat Feb 24 00:46:22 CST 2018, time=2018-02-24, status=1, ipAttribution=)]
    2018-02-24 飛歌

    学习了很有用

    0

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