Article(id=1203057885212274888, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1203057879566737430, articleNumber=null, orderNo=null, doi=10.11855/j.issn.0577-7402.2023.02.0190, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1636905600000, receivedDateStr=2021-11-15, revisedDate=null, revisedDateStr=null, acceptedDate=1641657600000, acceptedDateStr=2022-01-09, onlineDate=1764760951568, onlineDateStr=2025-12-03, pubDate=1677513600000, pubDateStr=2023-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764760951568, onlineIssueDateStr=2025-12-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764760951568, creator=13701087609, updateTime=1764760951568, updator=13701087609, issue=Issue{id=1203057879566737430, tenantId=1146029695717560320, journalId=1189873630562394117, year='2023', volume='48', issue='2', pageStart='123', pageEnd='244', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1764760950222, creator=13701087609, updateTime=1764762101198, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1203062707223241334, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1203057879566737430, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1203062707223241335, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1203057879566737430, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=190, endPage=197, ext={EN=ArticleExt(id=1203057886206324944, articleId=1203057885212274888, tenantId=1146029695717560320, journalId=1189873630562394117, language=EN, title=Effect and mechanism of ZCCHC12 on epithelial-mesenchymal transition and invasion in differentiated thyroid cancer cells, columnId=1190310110212751762, journalTitle=Medical Journal of Chinese People’s Liberation Army, columnName=Basic Research, runingTitle=null, highlight=null, articleAbstract=

Objective To investigate the effect and mechanism of ZCCHC12 on epithelial-mesenchymal transition and invasion of differentiated thyroid cancer cells. Methods A total of 50 patients with differentiated thyroid adenocarcinoma admitted to Hebei General Hospital from May 2017 to December 2018 were selected, and set as differentiated thyroid cancer group. In addition, 50 subjects for healthy examination in the hospital during the same period were selected as the healthy control group.The contents of PKA/cAMP response element binding protein (CREB) and p21 in serum was detected by ELISA. Western blotting was used to detect the relative expressions of CREB and p21 in HUM-CELL-0097, TPC-1 and FTC-133 cell lines. TPC-1 cells and FTC-133 cells were taken and set up blank control group (normally cultured), NC si group (transfected with non-specific siRNA),and ZCCHC12 si group (transfected with ZCCHC12 siRNA), ZCCHC12 si+NC pc group (transfected with ZCCHC12 siRNA followed by the transfection with pcDNA.3.1), ZCCHC12 si+CREB pc group (transfected with ZCCHC12 siRNA followed by the transfection with pcDNA.3.1-CREB), ZCCHC12 si+NC si group (transfected with ZCCHC12 siRNA followed by the transfection with non-specific siRNA), ZCCHC12 si+p21 si group (transfected with ZCCHC12 siRNA followed by the transfection with p21 siRNA). Western blotting was performed to detect the relative expressions of ZCCHC12, CREB, P21, E-cadherin and N-cadherin proteins. Transwell method was used to detect the cell invasion ability. Results Compared with healthy control group, the serum content of CREB increased (P<0.05), and of p21 decreased (P<0.01) in differentiated thyroid cancer group. Compared with HUM-CELL-0097 cells, the content of CREB increased (P<0.01), and of p21 decreased (P<0.01) in TPC-1 and FTC-133 cells. Compared with NC si group, the relative expressions of E-cadherin and p21 protein increased, while the relative protein expressions of CREB and N-cadherin and the number of cell migration decreased (P<0.01) in ZCCHC12 si group. The expression of p21 protein in ZCCHC12 si+CREB pc group was lower than that in ZCCHC12 si+NC pc group (P<0.01), which reversed the promoting effect of interfering ZCCHC12 on p21 protein expression. Compared with ZCCHC12 si+NC si group, the relative expression of E-cadherin protein significantly decreased, while the relative expression of N-cadherin protein and the number of cell migration were significantly increased (P<0.01) in the ZCCHC12 si+p21 si group, which reversed the inhibitory effect of ZCCHC12 interference on the epithelial-mesenchymal transition and invasive capacity in differentiated thyroid cancer cells. Conclusions Interfering with ZCCHC12 can effectively inhibit the epithelial-mesenchymal transition and invasion of differentiated thyroid cancer cells by regulating CREB and p21, providing a certain theoretical basis for the treatment of differentiated thyroid cancer.

, correspAuthors=Lian-Chun Zhao, authorNote=null, correspAuthorsNote=
E-mail:
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目的 探讨ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭的作用及其机制。方法 选取2017年5月-2018年12月河北省人民医院收治的50例分化型甲状腺腺癌患者作为分化型甲状腺癌组,另选取该院同期50名健康体检者作为健康对照组。采用ELISA法检测血清中PKA/cAMP反应元素结合蛋白(CREB)和p21的含量。采用Western blotting检测HUM-CELL-0097、TPC-1和FTC-133细胞系中CREB和p21蛋白的相对表达量。取TPC-1细胞和FTC-133细胞,分别设置空白对照组(正常培养TPC-1或FTC-133细胞)、NC si组(转染non-specific siRNA)、ZCCHC12 si组(转染ZCCHC12 siRNA)、ZCCHC12 si+NC pc组(转染ZCCHC12 siRNA后,转染pcDNA.3.1)、ZCCHC12 si+CREB pc组(转染ZCCHC12 siRNA后,转染pcDNA.3.1-CREB)、ZCCHC12 si+NC si组(转染ZCCHC12 siRNA后,转染non-specific siRNA)、ZCCHC12 si+p21 si组(转染ZCCHC12 siRNA后,转染p21 siRNA),采用Western blotting检测ZCCHC12、CREB、P21、E-cadherin和N-cadherin蛋白的相对表达量,Transwell实验检测细胞侵袭能力。结果 与健康对照组比较,分化型甲状腺癌组血清中CREB含量升高(P<0.05),p21含量降低(P<0.01)。与HUM-CELL-0097细胞比较,TPC-1和FTC-133细胞中CREB含量升高(P<0.01),p21含量降低(P<0.01)。与NC si组比较,ZCCHC12 si组E-cadherin、p21蛋白相对表达量升高,CREB、N-cadherin蛋白相对表达量及细胞迁移数降低(P<0.01)。ZCCHC12 si+CREB pc组p21蛋白相对表达量较ZCCHC12 si+NC pc组降低(P<0.01),逆转了干扰ZCCHC12对p21蛋白表达的促进作用。与ZCCHC12 si+NC si组比较,ZCCHC12 si+p21 si组E-cadherin蛋白相对表达量明显下降,N-cadherin蛋白相对表达量及细胞迁移数明显升高(P<0.01),逆转了干扰ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭能力的抑制作用。结论 干扰ZCCHC12可通过CREB/p21信号通路有效抑制分化型甲状腺癌细胞的上皮-间质转化和侵袭,为分化型甲状腺癌的治疗提供了一定的理论基础。

, correspAuthors=赵连春, authorNote=null, correspAuthorsNote=
赵连春,E-mail:
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刘光霞,硕士研究生,主要从事甲状腺检验诊断方面的研究

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CREB. 环磷腺苷效应元件结合蛋白;A. ELISA检测患者血清CREB、p21含量;B. Western blotting检测细胞系中CREB、p21蛋白相对表达量;与健康对照组比较,(1)P<0.05,(2)P<0.01;与HUM-CELL-0097细胞比较,(3)P<0.01

, figureFileSmall=PUPfPDx4iRSpknxo1iJuFQ==, figureFileBig=jqQ1y/+KmVKN4zD6ckd50g==, tableContent=null), ArticleFig(id=1203057892564890095, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1203057885212274888, language=EN, label=Fig. 2, caption=Influence of ZCCHC12 interference on epithelial-mesenchymal transition and invasion of differentiated thyroid cancer cells, figureFileSmall=a6T56P5pKyq88pu4GaSfyg==, figureFileBig=daFJ0t1k57F0CgOsJXPJnA==, tableContent=null), ArticleFig(id=1203057892644581877, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1203057885212274888, language=CN, label=图2, caption=干扰ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭能力的影响

A. Western blotting检测上皮-间质转化相关蛋白的表达(n=3);B. Transwell实验检测细胞侵袭能力(n=3);与空白对照组比较,(1)P<0.01;与NC si组比较,(2)P<0.01

, figureFileSmall=a6T56P5pKyq88pu4GaSfyg==, figureFileBig=daFJ0t1k57F0CgOsJXPJnA==, tableContent=null), ArticleFig(id=1203057892757828089, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1203057885212274888, language=EN, label=Fig. 3, caption=Influence of ZCCHC12 interference on the protein expressions of CREB and p21 in differentiated thyroid cancer cells(Western blotting, n=3), figureFileSmall=9vgYyBEfwYXVFzT+QP5RDQ==, figureFileBig=T9F8k2kN/rVWp0VOav7Gag==, tableContent=null), ArticleFig(id=1203057892858491388, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1203057885212274888, language=CN, label=图3, caption=干扰ZCCHC12对分化型甲状腺癌细胞中CREB、p21蛋白表达的影响(Western blotting, n=3)

CREB. 环磷腺苷效应元件结合蛋白;与空白对照组比较,(1)P<0.01;与NC si组比较,(2)P<0.01

, figureFileSmall=9vgYyBEfwYXVFzT+QP5RDQ==, figureFileBig=T9F8k2kN/rVWp0VOav7Gag==, tableContent=null), ArticleFig(id=1203057892933988864, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1203057885212274888, language=EN, label=Fig. 4, caption=Influence of ZCCHC12 interference and CREB overexpression on the protein expression of p21 in differentiated thyroid cancer cells (Western blotting, n=3), figureFileSmall=ReBc+u7JgBlTLREsIaBwUQ==, figureFileBig=Iz+1MqITRlNV0H8GmN3jYQ==, tableContent=null), ArticleFig(id=1203057892988514820, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1203057885212274888, language=CN, label=图4, caption=干扰ZCCHC12且过表达CREB对分化型甲状腺癌细胞中p21蛋白表达的影响( Western blotting, n=3)

与ZCCHC12 si组比较,(1)P<0.01;与ZCCHC12 si+NC pc组比较,(2)P<0.01

, figureFileSmall=ReBc+u7JgBlTLREsIaBwUQ==, figureFileBig=Iz+1MqITRlNV0H8GmN3jYQ==, tableContent=null), ArticleFig(id=1203057893064012296, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1203057885212274888, language=EN, label=Fig. 5, caption=Influence of interference of ZCCHC12 and p21 on epithelial-mesenchymal transition and invasion of differentiated thyroid cancer cells, figureFileSmall=IqOUJMppSrvViXXjcfmxjA==, figureFileBig=TB9ncuzx//JRta8KClthTg==, tableContent=null), ArticleFig(id=1203057893156286991, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1203057885212274888, language=CN, label=图5, caption=干扰ZCCHC12p21对分化型甲状腺癌细胞上皮-间质转化和侵袭能力的影响

A. Western blotting检测上皮-间质转化相关蛋白的表达(n=3);B. Transwell实验检测细胞侵袭能力(n=3);与ZCCHC12 si组比较,(1)P<0.01;与ZCCHC12 si+NC si组比较,(2)P<0.01

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ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭的作用及其机制
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刘光霞 1 , 陈芳 1 , 卢亚敏 1 , 牛丽霞 2 , 侯瞻 1 , 赵连春 2, *
解放军医学杂志 | 基础研究 2023,48(2): 190-197
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解放军医学杂志 | 基础研究 2023, 48(2): 190-197
ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭的作用及其机制
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刘光霞1, 陈芳1, 卢亚敏1, 牛丽霞2, 侯瞻1, 赵连春2, *
作者信息
  • 1河北省人民医院核医学科,河北石家庄 050051
  • 2河北以岭医院检验科,河北石家庄 050091
  • 刘光霞,硕士研究生,主要从事甲状腺检验诊断方面的研究

通讯作者:

赵连春,E-mail:
Effect and mechanism of ZCCHC12 on epithelial-mesenchymal transition and invasion in differentiated thyroid cancer cells
Guang-Xia Liu1, Fang Chen1, Ya-Min Lu1, Li-Xia Niu2, Zhan Hou1, Lian-Chun Zhao2, *
Affiliations
  • 1Department of Nuclear Medicine, Hebei General Hospital, Shijiazhuang, Hebei 050051, China
  • 2Department of Laboratory Medicine, Hebei Yiling Hospital, Shijiazhuang, Hebei 050091, China
出版时间: 2023-02-28 doi: 10.11855/j.issn.0577-7402.2023.02.0190
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目的 探讨ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭的作用及其机制。方法 选取2017年5月-2018年12月河北省人民医院收治的50例分化型甲状腺腺癌患者作为分化型甲状腺癌组,另选取该院同期50名健康体检者作为健康对照组。采用ELISA法检测血清中PKA/cAMP反应元素结合蛋白(CREB)和p21的含量。采用Western blotting检测HUM-CELL-0097、TPC-1和FTC-133细胞系中CREB和p21蛋白的相对表达量。取TPC-1细胞和FTC-133细胞,分别设置空白对照组(正常培养TPC-1或FTC-133细胞)、NC si组(转染non-specific siRNA)、ZCCHC12 si组(转染ZCCHC12 siRNA)、ZCCHC12 si+NC pc组(转染ZCCHC12 siRNA后,转染pcDNA.3.1)、ZCCHC12 si+CREB pc组(转染ZCCHC12 siRNA后,转染pcDNA.3.1-CREB)、ZCCHC12 si+NC si组(转染ZCCHC12 siRNA后,转染non-specific siRNA)、ZCCHC12 si+p21 si组(转染ZCCHC12 siRNA后,转染p21 siRNA),采用Western blotting检测ZCCHC12、CREB、P21、E-cadherin和N-cadherin蛋白的相对表达量,Transwell实验检测细胞侵袭能力。结果 与健康对照组比较,分化型甲状腺癌组血清中CREB含量升高(P<0.05),p21含量降低(P<0.01)。与HUM-CELL-0097细胞比较,TPC-1和FTC-133细胞中CREB含量升高(P<0.01),p21含量降低(P<0.01)。与NC si组比较,ZCCHC12 si组E-cadherin、p21蛋白相对表达量升高,CREB、N-cadherin蛋白相对表达量及细胞迁移数降低(P<0.01)。ZCCHC12 si+CREB pc组p21蛋白相对表达量较ZCCHC12 si+NC pc组降低(P<0.01),逆转了干扰ZCCHC12对p21蛋白表达的促进作用。与ZCCHC12 si+NC si组比较,ZCCHC12 si+p21 si组E-cadherin蛋白相对表达量明显下降,N-cadherin蛋白相对表达量及细胞迁移数明显升高(P<0.01),逆转了干扰ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭能力的抑制作用。结论 干扰ZCCHC12可通过CREB/p21信号通路有效抑制分化型甲状腺癌细胞的上皮-间质转化和侵袭,为分化型甲状腺癌的治疗提供了一定的理论基础。

ZCCHC12  /  p21  /  分化型甲状腺癌  /  上皮-间质转化  /  侵袭

Objective To investigate the effect and mechanism of ZCCHC12 on epithelial-mesenchymal transition and invasion of differentiated thyroid cancer cells. Methods A total of 50 patients with differentiated thyroid adenocarcinoma admitted to Hebei General Hospital from May 2017 to December 2018 were selected, and set as differentiated thyroid cancer group. In addition, 50 subjects for healthy examination in the hospital during the same period were selected as the healthy control group.The contents of PKA/cAMP response element binding protein (CREB) and p21 in serum was detected by ELISA. Western blotting was used to detect the relative expressions of CREB and p21 in HUM-CELL-0097, TPC-1 and FTC-133 cell lines. TPC-1 cells and FTC-133 cells were taken and set up blank control group (normally cultured), NC si group (transfected with non-specific siRNA),and ZCCHC12 si group (transfected with ZCCHC12 siRNA), ZCCHC12 si+NC pc group (transfected with ZCCHC12 siRNA followed by the transfection with pcDNA.3.1), ZCCHC12 si+CREB pc group (transfected with ZCCHC12 siRNA followed by the transfection with pcDNA.3.1-CREB), ZCCHC12 si+NC si group (transfected with ZCCHC12 siRNA followed by the transfection with non-specific siRNA), ZCCHC12 si+p21 si group (transfected with ZCCHC12 siRNA followed by the transfection with p21 siRNA). Western blotting was performed to detect the relative expressions of ZCCHC12, CREB, P21, E-cadherin and N-cadherin proteins. Transwell method was used to detect the cell invasion ability. Results Compared with healthy control group, the serum content of CREB increased (P<0.05), and of p21 decreased (P<0.01) in differentiated thyroid cancer group. Compared with HUM-CELL-0097 cells, the content of CREB increased (P<0.01), and of p21 decreased (P<0.01) in TPC-1 and FTC-133 cells. Compared with NC si group, the relative expressions of E-cadherin and p21 protein increased, while the relative protein expressions of CREB and N-cadherin and the number of cell migration decreased (P<0.01) in ZCCHC12 si group. The expression of p21 protein in ZCCHC12 si+CREB pc group was lower than that in ZCCHC12 si+NC pc group (P<0.01), which reversed the promoting effect of interfering ZCCHC12 on p21 protein expression. Compared with ZCCHC12 si+NC si group, the relative expression of E-cadherin protein significantly decreased, while the relative expression of N-cadherin protein and the number of cell migration were significantly increased (P<0.01) in the ZCCHC12 si+p21 si group, which reversed the inhibitory effect of ZCCHC12 interference on the epithelial-mesenchymal transition and invasive capacity in differentiated thyroid cancer cells. Conclusions Interfering with ZCCHC12 can effectively inhibit the epithelial-mesenchymal transition and invasion of differentiated thyroid cancer cells by regulating CREB and p21, providing a certain theoretical basis for the treatment of differentiated thyroid cancer.

ZCCHC12  /  p21  /  differentiated thyroid cancer  /  epithelial-mesenchymal transition  /  invasion
刘光霞, 陈芳, 卢亚敏, 牛丽霞, 侯瞻, 赵连春. ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭的作用及其机制. 解放军医学杂志, 2023 , 48 (2) : 190 -197 . DOI: 10.11855/j.issn.0577-7402.2023.02.0190
Guang-Xia Liu, Fang Chen, Ya-Min Lu, Li-Xia Niu, Zhan Hou, Lian-Chun Zhao. Effect and mechanism of ZCCHC12 on epithelial-mesenchymal transition and invasion in differentiated thyroid cancer cells[J]. Medical Journal of Chinese People’s Liberation Army, 2023 , 48 (2) : 190 -197 . DOI: 10.11855/j.issn.0577-7402.2023.02.0190
甲状腺肿瘤为常见的头颈部肿瘤和内分泌肿瘤[1]。甲状腺癌根据组织学特征可分为分化型和未分化型,其中分化型甲状腺癌约占75%,又可分为乳头状甲状腺癌(papillary thyroid carcinoma,PTC)和滤泡状甲状腺癌(follictalar thyroid carcinoma,FTC)[2-7]。ZCCHC12(含CCHC结构域的锌指蛋白12)是骨形态生成蛋白(bone morphogenetic protein,BMP)信号通路中的转录共激活因子[8-10]。本课题组前期研究发现,ZCCHC12在甲状腺癌组织和细胞系中呈过表达,且可能通过BMP/SMAD信号通路促进甲状腺癌的发生和发展[11]。另有研究发现,ZCCHC12可激活环磷腺苷效应元件结合蛋白(cyclic AMP-response element binding protein,CREB)[12],而CREB可促进人脐动脉平滑肌细胞中p21的表达[13],p21上调对甲状腺癌的发生发展具有抑制作用[14]。截至目前,关于ZCCHC12调控CREB/p21信号通路对分化型甲状腺癌的影响鲜少报道。本研究探讨了ZCCHC12对分化型甲状腺癌细胞上皮-间质转化和侵袭的作用及其机制。
人甲状腺滤泡上皮细胞HUM-CELL-0097、人PTC细胞TPC-1由河北省人民医院实验室保存;人FTC细胞FTC-133购自英国HHPACC细胞库。ZCCHC12、CREB、p21、E-cadherin、N-cadherin、GAPDH兔单抗及辣根过氧化物酶标记的羊抗兔二抗购自英国Abcam公司;BCA试剂盒购自美国Pierce公司;CREB ELISA试剂盒购自美国Raybiotech公司;p21 ELISA试剂盒购自美国Proteintech公司;空质粒pcDNA.3.1购自美国Invitrogen公司。高速离心机、移液器购自德国Eppendoff公司;电泳仪购自英国Syngene公司;蛋白凝胶成像系统、PCR仪、iMark酶标仪购自美国Bio-Rad公司;超净工作台购自北京医疗设备厂;细胞培养箱购自美国Thermo Scientific公司。
选取2017年5月-2018年12月河北省人民医院收治的50例分化型甲状腺癌者(设为分化型甲状腺癌组),其中男29例,女21例,年龄42~68(53.5±2.6)岁,PTC 30例,FTC 20例。纳入标准:(1)经病理学检查确诊为分化型甲状腺癌;(2)临床资料完整。排除标准:(1)伴有其他系统恶性肿瘤;(2)合并心脑血管、造血系统、肝、肾等疾病;(3)伴有严重感染性疾病、免疫系统疾病;(4)伴有意识障碍或精神疾病;(5)正接受其他研究。另选取该院同期50名健康体检者作为健康对照组。本研究经河北省人民医院伦理委员会批准(批准文号:K-2018-037),所有研究对象均签署知情同意书。
抽取研究对象的空腹静脉血3 ml,3500 r/min离心10 min,分离血清。按照CREB、p21 ELISA试剂盒说明书步骤操作,采用iMark酶标仪检测450 nm波长处的光密度(OD)值,计算血清CREB、p21含量。
HUM-CELL-0097、TPC-1与FTC-133细胞分别于含10%胎牛血清、100 μg/ml链霉素和青霉素的DMEM培养基中培养。采用Trizol法提取细胞总RNA,以RNA为模板反转录成cDNA,然后扩增CREB基因序列(GenBank accession number AY347527,包括酶切位点XhoⅠ和EcoRⅠ)。将扩增获得的片段酶切后与空质粒pcDNA.3.1连接并测序,将正确的质粒命名为pcDNA.3.1-CREB。
将TPC-1细胞和FTC-133细胞分别接种于96孔板中,置于37 ℃、5% CO2细胞培养箱中孵育24 h,待细胞融合至70%时,按照转染试剂操作说明进行细胞转染。设置空白对照组(正常培养TPC-1或FTC-133细胞)、NC si组(转染non-specific siRNA)、ZCCHC12 si组(转染ZCCHC12 siRNA)、ZCCHC12 si+NC si组(转染ZCCHC12 siRNA后,转染non-specific siRNA)、ZCCHC12 si+NC pc组(转染ZCCHC12 siRNA后,转染pcDNA.3.1)、ZCCHC12 si+CREB pc组(转染ZCCHC12 siRNA后,转染pcDNA.3.1-CREB)、ZCCHC12 si+p21 si组(转染ZCCHC12 siRNA后,转染p21 siRNA)。将ZCCHC12 siRNA、p21 siRNA、non-specific siRNA、pcDNA.3.1-CREB和pcDNA.3.1各0.3 μg分别与0.6 μl Turbofect混匀,加入各组细胞中,37 ℃、5% CO2孵育24 h,采用Western blotting检测转染效率。
采用Western blotting检测HUM-CELL-009、TPC-1与FTC-133细胞中CREB、p21蛋白表达量;空白对照组、NC si组(转染non-specific siRNA)、ZCCHC12 si组、ZCCHC12 si+NC si组、ZCCHC12 si+NC pc组、ZCCHC12 si+CREB pc组CREB、p21蛋白表达量;ZCCHC12 si组、ZCCHC12 si+NC si组、ZCCHC12 si+p21 si组p21、E-cadherin、N-cadherin蛋白表达量。各组加入预冷的RIPA蛋白抽提试剂,离心后取上清。利用BCA试剂盒定量蛋白。上样,行SDS-PAGE电泳,然后转至PVDF膜上,5%脱脂奶粉室温封闭2 h;加入人源ZCCHC12单抗(1:800)、CREB单抗(1:800)、p21单抗(1:600)、E-cadherin单抗(1:600)、N-cadherin单抗(1:700)和GAPDH兔单抗(1:1000)4 ℃孵育过夜;TBST清洗,加入辣根过氧化物酶标记的羊源二抗室温孵育1 h;TBST清洗,X线曝光,采用Image-ProPlus软件分析。以GAPDH为内参,目的蛋白条带与GADPH条带灰度值的比值为目的蛋白的相对表达量。
设置空白对照组、ZCCHC12 si组、NC si组、ZCCHC12 si+NC si组和ZCCHC12 si+p21 si组,各组处理方法同1.5,利用Transwell实验检测细胞侵袭能力。Transwell上层小室中加入细胞悬液,下层小室加入含5%胎牛血清及0.5%小牛血清的培养基,5% CO2、37 ℃条件下培养24 h后,擦去凝胶和滤膜上表面细胞,经苏木精染色后进行细胞计数。
采用SPSS 22.0软件进行统计分析。所有数据以$\bar{x}±s$表示,两组间比较采用t检验,多组间比较采用单因素方差分析,进一步两两比较采用Bonferroni检验。P<0.05为差异有统计学意义。
与健康对照组比较,分化型甲状腺癌组血清CREB含量明显升高(P<0.05),p21含量明显降低(P<0.01)(图1A)。与HUM-CELL-0097细胞比较,TPC-1、FTC-133细胞中CREB蛋白相对表达量明显升高,p21蛋白相对表达量明显降低(P<0.01,图1B)。
ZCCHC12 si组TPC-1或FTC-133细胞中ZCCHC12蛋白相对表达量较NC si组明显降低(P<0.01),表明ZCCHC12干扰实验成功(图2A)。ZCCHC12 si组TPC-1或FTC-133细胞中E-cadherin蛋白相对表达量明显高于空白对照组和NC si组,N-cadherin蛋白相对表达量明显低于空白对照组和NC si组,细胞迁移数明显少于空白对照组和NC si组(P<0.01,图2)。
与空白对照组比较,ZCCHC12 si组TPC-1或FTC-133细胞中CREB蛋白相对表达量明显低于空白对照组和NC si组,p21蛋白相对表达量明显高于空白对照组和NC si组(P<0.01,图3)。
ZCCHC12 si+CREB pc组TPC-1或FTC-133细胞中CREB蛋白相对表达量明显高于ZCCHC12 si+NC pc组和ZCCHC12 si组(P<0.01),表明细胞转染实验成功。ZCCHC12 si+CREB pc组TPC-1或FTC-133细胞中p21蛋白相对表达量明显低于ZCCHC12 si组和ZCCHC12 si+NC pc组(P<0.01,图4)。
ZCCHC12 si+p21 si组TPC-1或FTC-133细胞中p21蛋白相对表达量明显低于ZCCHC12 si+NC si组和ZCCHC12 si组(P<0.01),表明细胞转染成功(图5A)。ZCCHC12 si+p21 si组TPC-1或FTC-133细胞中E-cadherin蛋白相对表达量明显低于ZCCHC12 si组和ZCCHC12 si+NC si组,N-cadherin蛋白相对表达量明显高于ZCCHC12 si组和ZCCHC12 si+NC si组,细胞迁移数明显多于ZCCHC12 si组和ZCCHC12 si+NC si组(P<0.01)(图5)。
既往研究发现,ZCCHC12在甲状腺癌组织中呈高表达[11]ZCCHC12高表达可明显促进甲状腺癌细胞CGTH W-3和FTC-133增殖并抑制其凋亡,干扰ZCCHC12则可明显抑制CGTH W-3和FTC-133细胞增殖并促进其凋亡,表明ZCCHC12对甲状腺癌细胞增殖和凋亡起调控作用[11]。另有研究发现,ZCCHC12可明显促进神经细胞中CREB的表达[8],而CREB可抑制小鼠胰岛β细胞中p21的表达[15]。Ruan等[16]发现,p21高表达可有效抑制甲状腺癌的发展。截至目前,ZCCHC12通过CREB/p21通路调控分化型甲状腺癌细胞上皮-间质转化和侵袭能力相关的研究鲜见。因此,本研究探讨了ZCCHC12、CREB和p21在分化型甲状腺癌细胞中的调控关系,以及对分化型甲状腺癌细胞上皮-间质转化和侵袭能力的影响,结果显示,干扰ZCCHC12可上调E-cadherin表达、下调N-cadherin表达,表明干扰ZCCHC12可明显抑制分化型甲状腺癌细胞的上皮-间质转化;Transwell实验结果显示,干扰ZCCHC12可明显抑制分化型甲状腺癌细胞的侵袭能力。
Ayroldi等[17]研究发现,CREB在甲状腺癌的发展中起着重要作用,可促进肿瘤的生长。Li等[12]发现,ZCCHC12可上调宫颈癌细胞、神经母细胞瘤细胞和脑胶质瘤细胞中CREB的表达。然而,ZCCHC12对分化型甲状腺癌细胞中CREB的调控作用尚未明确。本研究结果显示,分化型甲状腺癌患者血清中CREB含量明显升高,而抑制分化型甲状腺癌细胞中ZCCHC12的表达后,CREB蛋白表达量明显下降。由此可见,在分化型甲状腺癌中,ZCCHC12可促进CREB的表达,与Li等[12]报道的宫颈癌细胞、神经母细胞瘤细胞和脑胶质瘤细胞中ZCCHC12对CREB的正向调节作用一致。p21是一种细胞周期蛋白依赖性激酶抑制蛋白,作为G1/S期限制点的调节因子,可抑制细胞从G1期向S期转化,起到抑制细胞生长的作用[18-20]。Li等[21]研究发现,p21过表达可有效抑制甲状腺癌细胞的增殖。Yang等[22]研究发现,p21可促进甲状腺间变性癌细胞凋亡。有研究发现,干扰lncRNA-HOTAIR可上调p21的表达,从而抑制结直肠癌细胞的侵袭能力[23]。截至目前,p21对分化型甲状腺癌细胞侵袭能力的调节作用尚不清楚。本研究结果显示,分化型甲状腺癌患者血清中p21含量明显降低。在分化型甲状腺癌细胞中,干扰ZCCHC12可明显上调p21蛋白的相对表达量,而过表达CREB可明显消除干扰ZCCHC12对p21表达的促进作用,提示在分化型甲状腺癌细胞中,干扰ZCCHC12可通过CREB促进p21的表达。此外,与干扰ZCCHC12的细胞比较,同时干扰ZCCHC12p21可明显下调E-cadherin蛋白的表达、上调N-cadherin蛋白的表达,表明干扰p21可有效消除干扰ZCCHC12对分化型甲状腺癌细胞上皮-间质转化的影响。Transwell实验结果也表明,干扰p21可有效消除干扰ZCCHC12对分化型甲状腺癌细胞侵袭能力的影响。因此,在分化型甲状腺癌细胞中,干扰ZCCHC12可通过CREB增强p21的表达,进而抑制分化型甲状腺癌细胞的上皮-间质转化和侵袭。有研究发现,ZCCHC9可通过与NF-kB启动子结合抑制MAPK通路[24],而MAPK通路可激活Notch通路,影响甲状腺乳头状癌细胞的增殖[25]。截至目前,ZCCHC12通过调控MAPK通路影响分化型甲状腺癌细胞增殖的报道较少,后期可探讨ZCCHC12/MAPK在分化型甲状腺癌细胞增殖中的作用。
综上所述,分化型甲状腺癌患者血清中CREB含量明显升高,p21含量明显降低,干扰分化型甲状腺癌细胞中的ZCCHC12可通过抑制CREB的表达而促进p21的表达,进而抑制分化型甲状腺癌细胞的上皮-间质转化和侵袭。但本研究未在体内探讨ZCCHC12、CREB、p21对分化型甲状腺癌发生发展的作用,后续需进一步进行大鼠体内实验探讨ZCCHC12、CREB、p21对分化型甲状腺癌发生发展的影响。
  • 2021年度河北省医学科学研究课题计划(20210338)
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2023年第48卷第2期
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doi: 10.11855/j.issn.0577-7402.2023.02.0190
  • 接收时间:2021-11-15
  • 首发时间:2025-12-03
  • 出版时间:2023-02-28
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  • 收稿日期:2021-11-15
  • 录用日期:2022-01-09
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Medical Scientific Research Foundation of Hebei Province of China in 2021(20210338)
2021年度河北省医学科学研究课题计划(20210338)
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    1河北省人民医院核医学科,河北石家庄 050051
    2河北以岭医院检验科,河北石家庄 050091

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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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