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Zhou K, He Y, Lin X, Zhou H, Xu X, Xu J. KIFC1 depends on TRIM37-mediated ubiquitination of PLK4 to promote centrosome amplification in endometrial cancer. Cell Death Discov 2024; 10:419. [PMID: 39349439 PMCID: PMC11442630 DOI: 10.1038/s41420-024-02190-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 09/18/2024] [Accepted: 09/20/2024] [Indexed: 10/02/2024] Open
Abstract
Endometrial cancer (EC), as one of the most common cancers, severely threatens female reproductive health. Our previous study has shown that Kinesin family member C1 (KIFC1) played crucial roles in the progression of EC. In addition, abnormal centrosome amplification, which was reported to be partially regulated by KIFC1, usually occurred in different cancers. However, whether KIFC1 promoted EC through centrosome amplification and the potential mechanism remain to be revealed. The present study demonstrated that overexpressed KIFC1, which exhibited a worse prognosis, had a positive correlation with an increased number of centrosomes in human EC samples. In addition, KIFC1 overexpression in EC cells prompted centrosome amplification, chromosomal instability, and cell cycle progression. Moreover, we demonstrated that KIFC1 inhibited E3 ubiquitin-protein ligase TRIM37 to maintain the stability of PLK4 by reducing its ubiquitination degradation, and finally promoting centrosome amplification and EC progression in vitro. Finally, the contributing role of KIFC1 and the inhibitory effect of TRIM37 on EC development and metastasis was verified in a nude mouse xenograft model. Our study elucidated that KIFC1 depends on TRIM37-mediated reduced ubiquitination degradation of PLK4 to promote centrosome amplification and EC progression, thus providing a potential prognostic marker and promising therapeutic target for EC in the future.
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Affiliation(s)
- Kening Zhou
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou City, Zhejiang Province, 324000, China
| | - Yingying He
- Department of Pathology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou City, Zhejiang Province, 324000, China
| | - Xi Lin
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou City, Zhejiang Province, 324000, China
| | - Huihao Zhou
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou City, Zhejiang Province, 324000, China
| | - Xiaomin Xu
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou City, Zhejiang Province, 324000, China
| | - Jingui Xu
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou City, Zhejiang Province, 324000, China.
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Lin X, He Y, Liu Y, Zhou H, Xu X, Xu J, Zhou K. CDK1 promotes the phosphorylation of KIFC1 to regulate the tumorgenicity of endometrial carcinoma. J Gynecol Oncol 2024; 35:e68. [PMID: 38456590 PMCID: PMC11390247 DOI: 10.3802/jgo.2024.35.e68] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/25/2023] [Accepted: 02/11/2024] [Indexed: 03/09/2024] Open
Abstract
OBJECTIVE This study aims to clarify the mechanical action of cyclin-dependent protein kinase 1 (CDK1) in the development of endometrial carcinoma (EMCA), which may be associated with the phosphorylation of kinesin family member C1 (KIFC1) and further activate the PI3K/AKT pathway. METHODS The protein and gene expression of CDK1 in EMCA tissues and tumor cell lines were evaluated by western blot, quantitative polymerase chain reaction, and immunohistochemistry staining. Next, Cell Counting Kit-8 and colony formation assay detected cell survival and proliferation. Cell migration and invasion were measured by Transwell assay. Cell apoptosis and cell cycle were tested by flow cytometry. Immunofluorescence staining of γH2AX was used to evaluate DNA damage, respectively. Subsequently, a co-immunoprecipitation assay was used to detect the interaction between CDK1 and KIFC1. The phosphorylated protein of KIFC1 and PI3K/AKT was detected by western blot. Finally, the effect of CDK1 on the tumor formation of EMCA was evaluated in a nude mouse xenograft model. RESULTS CDK1 was highly expressed in EMCA tumor cell lines and tissues, which contributed to cell survival, proliferation, invasion, and migration, inhibited cell apoptosis, and induced DNA damage of EMCA cells dependent on the phosphorylation of KIFC1. Moreover, the CDK1-KIFC1 axis further activated PI3K/AKT pathway. Finally, CDK1 knockdown repressed tumor formation of EMCA in vivo. CONCLUSION We report that increased CDK1 promotes tumor progression and identified it as a potential prognostic marker and therapeutic target of EMCA.
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Affiliation(s)
- Xi Lin
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Yingying He
- Department of Pathology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Yiming Liu
- Department of Pathology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Huihao Zhou
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Xiaomin Xu
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Jingui Xu
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China
| | - Kening Zhou
- Department of Gynaecology, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China.
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Zhang C, Wu BZ, Di Ciano-Oliveira C, Wu YF, Khavkine Binstock SS, Soria-Bretones I, Pham NA, Elia AJ, Chari R, Lam WL, Bray MR, Mak TW, Tsao MS, Cescon DW, Thu KL. Identification of KIFC1 as a putative vulnerability in lung cancers with centrosome amplification. Cancer Gene Ther 2024:10.1038/s41417-024-00824-1. [PMID: 39179685 DOI: 10.1038/s41417-024-00824-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 07/31/2024] [Accepted: 08/14/2024] [Indexed: 08/26/2024]
Abstract
Centrosome amplification (CA), an abnormal increase in the number of centrosomes in the cell, is a recurrent phenomenon in lung and other malignancies. Although CA promotes tumor development and progression by inducing genomic instability (GIN), it also induces mitotic stress that jeopardizes cellular integrity. CA leads to the formation of multipolar mitotic spindles that can cause lethal chromosome segregation errors. To sustain the benefits of CA by mitigating its consequences, malignant cells are dependent on adaptive mechanisms that represent therapeutic vulnerabilities. We aimed to discover genetic dependencies associated with CA in lung cancer. Combining a CRISPR/Cas9 functional genomics screen with tumor genomic analyses, we identified the motor protein KIFC1, also known as HSET, as a putative vulnerability specifically in lung adenocarcinoma (LUAD) with CA. KIFC1 expression was positively correlated with CA in LUAD and associated with worse patient outcomes, smoking history, and indicators of GIN. KIFC1 loss-of-function sensitized LUAD cells with high basal KIFC1 expression to potentiation of CA, which was associated with a diminished ability to cluster extra centrosomes into pseudo-bipolar mitotic spindles. Our work suggests that KIFC1 inhibition represents a novel approach for potentiating GIN to lethal levels in LUAD with CA by forcing cells to divide with multipolar spindles, rationalizing further studies to investigate its therapeutic potential.
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Affiliation(s)
- Christopher Zhang
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Canada
| | - Benson Z Wu
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Canada
| | - Caterina Di Ciano-Oliveira
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Canada
| | - Yin Fang Wu
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Canada
| | - Sharon S Khavkine Binstock
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Canada
| | | | - Nhu-An Pham
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
| | - Andrew J Elia
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
| | - Raj Chari
- Laboratory Animal Sciences Program, Genome Modification Core, Frederick National Laboratory for Cancer Research, Frederick, USA
| | - Wan L Lam
- Department of Integrative Oncology, BC Cancer Research Institute, Vancouver, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
| | - Mark R Bray
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
| | - Tak W Mak
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
- Department of Immunology, University of Toronto, Toronto, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Canada
| | - Ming-Sound Tsao
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Canada
| | - David W Cescon
- Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
- Institute of Medical Science, University of Toronto, Toronto, Canada
| | - Kelsie L Thu
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Canada.
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Garlapati C, Joshi S, Yang C, Chandrashekar DS, Rida P, Aneja R. A novel role for KIFC1-MYH9 interaction in triple-negative breast cancer aggressiveness and racial disparity. Cell Commun Signal 2024; 22:312. [PMID: 38902769 PMCID: PMC11188183 DOI: 10.1186/s12964-024-01664-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 05/15/2024] [Indexed: 06/22/2024] Open
Abstract
African American (AA) women are twice as likely to develop triple-negative breast cancer (TNBC) as women of European descent. Additionally, AA women with TNBC present a much more aggressive disease course than their European American (EA) counterparts. Thus, there is an unmet clinical need to identify race-specific biomarkers and improve survival outcomes in AA patients with TNBC. The minus-end directed microtubule motor protein kinesin family member C1 (KIFC1) promotes centrosome clustering and chromosomal instability and is often overexpressed in TNBC. Previous findings suggest that KIFC1 plays a role in cell proliferation and migration in TNBC cells from AAs and that the levels of nuclear KIFC1 (nKIFC1) are particularly high in AA patients with TNBC. The nuclear localization of KIFC1 in interphase may underlie its previously unrecognized race-specific association. In this study, we found that in TNBC cells derived from AAs, nKIFC1 interacted with the tumor suppressor myosin heavy chain 9 (MYH9) over EA cells. Treatment of AA TNBC cells with commercial inhibitors of KIFC1 and MYH9 disrupted the interaction between KIFC1 and MYH9. To characterize the racial differences in the KIFC1-MYH9-MYC axis in TNBC, we established homozygous KIFC1 knockout (KO) TNBC cell lines. KIFC1 KO significantly inhibited proliferation, migration, and invasion in AA TNBC cells but not in EA TNBC cells. RNA sequencing analysis showed significant downregulation of genes involved in cell migration, invasion, and metastasis upon KIFC1 KO in TNBC cell lines from AAs compared to those from EAs. These data indicate that mechanistically, the role of nKIFC1 in driving TNBC progression and metastasis is stronger in AA patients than in EA patients, and that KIFC1 may be a critical therapeutic target for AA patients with TNBC.
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Affiliation(s)
- Chakravarthy Garlapati
- Department of Biology, Georgia State University, Atlanta, GA, 30303, USA
- Alkermes Inc, Waltham, MA, 02451, USA
| | - Shriya Joshi
- Department of Biology, Georgia State University, Atlanta, GA, 30303, USA
- Alkermes Inc, Waltham, MA, 02451, USA
- Small molecule drug discovery, Bristol Myers Squibb, Cambridge, MA, 02141, USA
| | - Chunhua Yang
- Institute of Biomedical Sciences, Georgia State University, Atlanta, GA, 30303, USA
| | | | | | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, GA, 30303, USA.
- Department of Nutrition Sciences, School of Health Professions, University of Alabama at Birmingham, Birmingham, AL, 35233, USA.
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Xue P, Zheng J, Li R, Yan L, Wang Z, Jia Q, Zhang L, Li X. High Expression of KIFC1 in Glioma Correlates with Poor Prognosis. J Korean Neurosurg Soc 2024; 67:364-375. [PMID: 38720546 PMCID: PMC11079566 DOI: 10.3340/jkns.2023.0155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/06/2023] [Accepted: 10/19/2023] [Indexed: 05/12/2024] Open
Abstract
OBJECTIVE Kinesin family member C1 (KIFC1), a non-essential kinesin-like motor protein, has been found to serve a crucial role in supernumerary centrosome clustering and the progression of several human cancer types. However, the role of KIFC1 in glioma has been rarely reported. Thus, the present study aimed to investigate the role of KIFC1 in glioma progression. METHODS Online bioinformatics analysis was performed to determine the association between KIFC1 expression and clinical outcomes in glioma. Immunohistochemical staining was conducted to analyze the expression levels of KIFC1 in glioma and normal brain tissues. Furthermore, KIFC1 expression was knocked in the glioma cell lines, U251 and U87MG, and the functional roles of KIFC1 in cell proliferation, invasion and migration were analyzed using cell multiplication, wound healing and Transwell invasion assays, respectively. The autophagic flux and expression levels matrix metalloproteinase-2 (MMP2) were also determined using imaging flow cytometry, western blotting and a gelation zymography assay. RESULTS The results revealed that KIFC1 expression levels were significantly upregulated in glioma tissues compared with normal brain tissues, and the expression levels were positively associated with tumor grade. Patients with glioma with low KIFC1 expression levels had a more favorable prognosis compared with patients with high KIFC1 expression levels. In vitro, KIFC1 knockdown not only inhibited the proliferation, migration and invasion of glioma cells, but also increased the autophagic flux and downregulated the expression levels of MMP2. CONCLUSION Upregulation of KIFC1 expression may promote glioma progression and KIFC1 may serve as a potential prognostic biomarker and possible therapeutic target for glioma.
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Affiliation(s)
- Pengfei Xue
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, China
| | - Juan Zheng
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, China
| | - Rongrong Li
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, China
| | - Lili Yan
- Joint Laboratory for Translational Medicine Research, Liaocheng People's Hospital, Liaocheng, China
| | - Zhaohao Wang
- Department of Neurosurgery, Yantaishan Hospital Affiliated to Binzhou Medical University, Yantai, China
| | - Qingbin Jia
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, China
| | - Lianqun Zhang
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, China
| | - Xin Li
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, China
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Li X, Wang S, Ruan P, Bajinka O, Zhang W. High expression of KIFC1 is a poor prognostic biomarker and correlates with TP53 mutation in lung cancer. Medicine (Baltimore) 2024; 103:e37286. [PMID: 38457554 PMCID: PMC10919520 DOI: 10.1097/md.0000000000037286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 12/18/2023] [Accepted: 01/25/2024] [Indexed: 03/10/2024] Open
Abstract
The Kinesin Family Member C1 (KIFC1) is highly expressed in a variety of tumors. Since it is linked with tumorigenesis and progression, KIFC1 has emerged as a promising candidate for targeted chemotherapies. Thus, this study aims to find out the association between KIFC1 and lung cancer. The original data were assessed from The Cancer Genome Atlas and Gene Expression Omnibus databases. Compared to normal lung tissues, both mRNA and protein levels of KIFC1 were significantly increased in lung cancer tissues. The upregulation of KIFC1 was significantly correlated with sex, pathological stage, and TMN stage. Survival analysis revealed that increased KIFC1 expression was associated with poor overall survival, first-progression survival and post-progression survival in lung cancer. Based on the Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analysis, we observed that KIFC1 upregulation was linked to enrichment of the cell cycle and TP53 signaling pathway. Additionally, the overexpression of KIFC1 was positively correlated with TP53 mutations in lung cancer. Based on real-world cohort results, western blotting and RT-qPCR showed high-KIFC1 expression in lung cancer, which may be related to the malignancy of lung cancer. Finally, experiments in vitro showed that KIFC1 inhibitor could significantly inhibit the proliferation and invasion of lung cancer cells. In conclusion, KIFC1 is a poor prognostic biomarker, and patients with high-KIFC1 levels may benefit from targeted therapy.
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Affiliation(s)
- Xiuying Li
- Pulmonary and Critical Care Medicine, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
| | - Susu Wang
- Department of Anesthesiology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Pinglang Ruan
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China
| | - Ousman Bajinka
- School of Medicine and Allied Health Science, University of The Gambia, The Gambia
| | - Weidong Zhang
- Pulmonary and Critical Care Medicine, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
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Karabulut S, Şen S, Soydinç HO, Doğan İ, Taştekin D, Karabulut M, Duman M, Turan M. Investigation of the potential of miRNA candidates as non-invasive biomarkers for the diagnosis and follow-up of colorectal cancer. Pathol Res Pract 2024; 254:155094. [PMID: 38219497 DOI: 10.1016/j.prp.2024.155094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 01/02/2024] [Indexed: 01/16/2024]
Abstract
BACKGROUND Colorectal cancer (CRC) is the third most common cancer worldwide, and despite advances in treatment, molecular biomarkers are needed for both early diagnosis and prognosis monitoring. It is known that microRNAs (miRNA), one of the epigenetic mechanisms, are effective in the initiation and development of cancer by regulating the activity of tumor suppressors and/or oncogenes. In this study, the potential of the molecules let-7, miRNA125b, and miRNA30a, which are known to play a role in cellular processes, as biomarkers for colorectal cancer and their molecular mechanisms were investigated in this model. The aim was to evaluate the diagnostic, prognostic, and predictive utility of the target miRNAs in colorectal cancer patients. MATERIAL AND METHODS The expression changes of miRNAs let-7, miRNA125b, and miRNA30a were investigated by miRNAs isolation and cDNA synthesis from the serum samples of 60 patients diagnosed with CRC or from the serum samples of 20 healthy individuals. The calculation was performed using the quantitative real-time polymerase chain reaction method to determine the expression level. The results were compared with clinical parameters. RESULT An 8-fold decrease in the expression of let-7 and miRNA125b and a 60-fold decrease in the expression of miRNA30a were found in the serum samples of patients diagnosed with colorectal cancer (CRC) compared to the healthy group. A decrease in let-7 was observed in 53.3%, miRNA125b in 58.3%, and miRNA30a in 55% of patients. A significant correlation was found between the reduced expression status and the stage, lymph nodes, local recurrence, and metastasis (p < 0.05). The ROC analysis showed that the miRNA30a level could be a diagnostic biomarker for CRC (p < 0.001). No significant impact of target miRNA expression changes on overall disease survival was observed. CONCLUSION It is thought that the target miRNA30a can be used for early diagnosis and screening and that the target miRNA let-7, miRNA125b, and miRNA30a can be used as non-invasive biomarkers for disease follow-up, with larger patient studies being conducted on CRC patients.
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Affiliation(s)
- Senem Karabulut
- Department of Clinic Oncology, Oncology Institute, Istanbul University, Istanbul, Turkiye; Department of Molecular Oncology, Hamidiye Health Sciences Institute, University of Health Sciences, Istanbul, Turkiye.
| | - Sena Şen
- Department of Basic Oncology, Oncology Institute, Istanbul University, Istanbul, Turkiye
| | - Hilal Oğuz Soydinç
- Department of Basic Oncology, Oncology Institute, Istanbul University, Istanbul, Turkiye
| | - İzzet Doğan
- Department of Clinic Oncology, Oncology Institute, Istanbul University, Istanbul, Turkiye
| | - Didem Taştekin
- Department of Clinic Oncology, Oncology Institute, Istanbul University, Istanbul, Turkiye
| | - Mehmet Karabulut
- Department of General Surgery, Dr. Sadi Konuk Education and Research Hospital, University of Health Sciences, Istanbul, Turkey
| | - Mustafa Duman
- Department of Molecular Oncology, Hamidiye Health Sciences Institute, University of Health Sciences, Istanbul, Turkiye
| | - Mustafa Turan
- Department of Molecular Oncology, Hamidiye Health Sciences Institute, University of Health Sciences, Istanbul, Turkiye
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Zhang S, Qin O, Xu H, Wu S, Huang W, Song H. A comprehensive analysis of the prognostic and immunotherapeutic characteristics of KIFC1 in pan-cancer and its role in the malignant phenotype of pancreatic cancer. Aging (Albany NY) 2023; 15:14845-14863. [PMID: 38112634 PMCID: PMC10781448 DOI: 10.18632/aging.205311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/06/2023] [Indexed: 12/21/2023]
Abstract
BACKGROUND Kinesin family member C1 (KIFC1) is an essential member of the motor protein family, which is critically involved in various cellular events, such as mitosis, meiosis, and macromolecular transport, but also in carcinogenesis, malignant progression, and tumor recurrence. METHODS The analysis determined the relationship between KIFC1 expression, prognosis significance, immune characteristics landscape, and genetic alterations in pan-cancer with the data extracted from web-based platforms and databases, including but not limited to UCSC, NCBI, GEPIA2, HPA, cBioPortal, SangerBox, UALCAN, GEO and TCGA. Additionally, the expression of KIFC1 in pancreatic cancer tumor tissues and adjacent normal tissues was evaluated through immunohistochemistry. In vitro Edu, colony formation, wound healing, and Transwell assay were done to elucidate the biological functions of KIFC1 in pancreatic cancer cells. RESULTS The analysis revealed that KIFC1 is upregulated in most cancers, and its increased expression is significantly associated with reduced overall survival and disease-free survival in multiple cancer types. Additionally, strong correlations between KIFC1 expression and tumor immunotherapy were observed across various malignancies. Through univariate and multivariate Cox regression analyses using TCGA data, KIFC1 was identified as an independent predictor of prognosis in pancreatic cancer cases. Furthermore, cellular experiments demonstrated that knockdown of KIFC1 resulted in the suppression of cell proliferation, migration, and invasive ability. CONCLUSIONS Our study indicated that KIFC1 harbors the potential to be a prognostic and immunotherapeutic biomarker of tumors, and it can have an impact on the metastasis and the cell cycle of pancreatic cancer cells.
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Affiliation(s)
- Shihang Zhang
- Department of General Surgery, Dalang Hospital, Dongguan, Guangdong, PR China
| | - Ouyang Qin
- Department of General Surgery, Dalang Hospital, Dongguan, Guangdong, PR China
| | - Huanming Xu
- Department of General Surgery, Dalang Hospital, Dongguan, Guangdong, PR China
| | - Shu Wu
- Department of Hepatic-Biliary-Pancreatic Surgery, The Affiliated Dongguan Hospital Southern Medical University (Dongguan People’s Hospital), Dongguan, Guangdong, PR China
| | - Wei Huang
- Department of Hepatic-Biliary-Pancreatic Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, PR China
| | - Hailiang Song
- Department of General Surgery, Dalang Hospital, Dongguan, Guangdong, PR China
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He Y, He P, Lu S, Dong W. KIFC3 Regulates the progression and metastasis of gastric cancer via Notch1 pathway. Dig Liver Dis 2023; 55:1270-1279. [PMID: 36890049 DOI: 10.1016/j.dld.2023.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 01/19/2023] [Accepted: 02/14/2023] [Indexed: 03/10/2023]
Abstract
INTRODUCTION KIFC3 is a member of the kinesin family which has shown great promise in cancer therapy recently. In this study, we sought to elucidate the role of KIFC3 in the development of GC and its possible mechanisms. METHODS Two databases and a tissue microarray were used to explore the expression of KIFC3 and its correlation with patients' clinicopathological characteristics. Cell proliferation was examined by cell counting kit-8 assay and colony formation assay. Wound healing assay and transwell assay were performed to examine cell metastasis ability. EMT and Notch signaling related proteins were detected by western blot. Additionally, a xenograft tumor model was established to investigate the function of KIFC3 in vivo. RESULTS The expression of KIFC3 was upregulated in GC, and was associated with higher T stage and poor prognosis in GC patients. The proliferation and metastasis ability of GC cells were promoted by KIFC3 overexpression while inhibited by KIFC3 knockdown in vitro and in vivo. Furthermore, KIFC3 might activate the Notch1 pathway to facilitate the progression of GC, and DAPT, an inhibitor of Notch signaling, could reverse this effect. CONCLUSION Together, our data revealed that KIFC3 could enhance the progression and metastasis of GC by activating the Notch1 pathway.
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Affiliation(s)
- Yang He
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China; Central Laboratory of Renmin Hospital, Wuhan, Hubei Province, China
| | - Pengzhan He
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China; Central Laboratory of Renmin Hospital, Wuhan, Hubei Province, China
| | - Shimin Lu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China; Central Laboratory of Renmin Hospital, Wuhan, Hubei Province, China
| | - Weiguo Dong
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China; Central Laboratory of Renmin Hospital, Wuhan, Hubei Province, China.
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Qiao S, Jiang Y, Li N, Zhu X. The kinesin light chain-2, a target of mRNA stabilizing protein HuR, inhibits p53 protein phosphorylation to promote radioresistance in NSCLC. Thorac Cancer 2023. [PMID: 37055376 DOI: 10.1111/1759-7714.14886] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 04/15/2023] Open
Abstract
BACKGROUND Radioresistance hinders radiotherapy for the treatment of lung cancer. Kinesin light chain-2 (KLC2) has been found to be upregulated in lung cancer and also to be associated with poor prognosis. This study aimed to investigate the effect of KLC2 on radiosensitivity in lung cancer. METHODS The radioresistant role of KLC2 was determined by colony formation, neutral comet assay, and γH2AX immunofluorescent staining assay. We further verified the function of KLC2 in a xenograft tumor model. The downstream of KLC2 was identified through gene set enrichment analysis and validated by western blot. Finally, we analyzed clinical data from the TCGA database to reveal the upstream transcription factor of KLC2, which was validated by RNA binding protein immunoprecipitation assay. RESULTS Here, we found that downregulation of KLC2 could significantly reduce colony formation, increase γH2AX level, and double-stranded DNA breaks in vitro. Meanwhile, overexpressed KLC2 significantly increased the proportion of the S phase in lung cancer cells. KLC2 knockdown could activate P53 pathway, and ultimately promoting radiosensitivity. The mRNA of KLC2 was observed to bind with Hu-antigen R (HuR). The mRNA and protein expression of KLC2 in lung cancer cells was significantly reduced when combined with siRNA-HuR. Interestingly, KLC2 overexpression significantly increased the expression of HuR in lung cancer cells. CONCLUSION Taken together, these results indicated that HuR-KLC2 forms a positive feedback loop, which decreases the phosphorylation of p53 and thereby weaken the radiosensitivity of lung cancer cells. Our findings highlight the potential prognosis and therapeutic target value of KLC2 in lung cancer patients treated with radiotherapy.
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Affiliation(s)
- Simiao Qiao
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yuhang Jiang
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Na Li
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoxia Zhu
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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11
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Ishikawa A, Fujii H, Fukui T, Kido A, Katsuya N, Sentani K, Kuraoka K, Tazuma S, Sudo T, Serikawa M, Oka S, Oue N. Expression of kinesin family member C1 in pancreatic ductal adenocarcinoma affects tumor progression and stemness. Pathol Res Pract 2023; 241:154277. [PMID: 36565617 DOI: 10.1016/j.prp.2022.154277] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/09/2022] [Accepted: 12/10/2022] [Indexed: 12/23/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive cancer and the third leading cause of cancer-related deaths. Therefore, there is an urgent need for a novel molecular target for the treatment of PDAC. Kinesin family member C1 (KIFC1) belongs to the kinesin superfamily proteins and has been reported to be involved in the pathogenesis of a wide variety of carcinomas. However, the role of KIFC1 in PDAC remains unknown. This study aimed to analyze the expression and biological function of KIFC1 in PDAC. Immunohistochemically, KIFC1 was found in 37 of 81 PDAC cases (46%). A high expression of KIFC1 was significantly related to tumor size (p = 0.023) and poor overall survival (p = 0.011). Univariate and multivariate analysis indicated that KIFC1 expression was a prognostic factor in PDAC cases. As for cancer stem cell markers, KIFC1 expression tended to co-express significantly with CD44 (p < 0.01). The growth and spheroid colony formation of KIFC1 small interfering RNA (siRNA)-transfected PDAC cells were significantly lower than those of negative control siRNA-transfected cells. Therefore, our findings suggest that KIFC1 is an independent prognostic factor in PDAC and may represent a new promising therapeutic target in PDAC.
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Affiliation(s)
- Akira Ishikawa
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan.
| | - Hiroki Fujii
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Takafumi Fukui
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Aya Kido
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Narutaka Katsuya
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Kazuhiro Sentani
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Kazuya Kuraoka
- Department of Diagnostic Pathology, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, 3-1 Aoyama, Kure 737-0023, Japan; Institute for Clinical Laboratory, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, 3-1 Aoyama, Kure 737-0023, Japan
| | - Sho Tazuma
- Department of Surgery, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, 3-1 Aoyama, Kure 737-0023, Japan
| | - Takeshi Sudo
- Department of Surgery, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, 3-1 Aoyama, Kure 737-0023, Japan
| | - Masahiro Serikawa
- Department of Gastroenterology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Shiro Oka
- Department of Gastroenterology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Naohide Oue
- Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
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12
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Xu S, Li Y, Huang H, Miao X, Gu Y. Identification of KIF21B as a Biomarker for Colorectal Cancer and Associated with Poor Prognosis. JOURNAL OF ONCOLOGY 2022; 2022:7905787. [PMID: 36451772 PMCID: PMC9705103 DOI: 10.1155/2022/7905787] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/24/2022] [Accepted: 09/16/2022] [Indexed: 09/29/2023]
Abstract
OBJECTIVE This study is aimed at exploring the function of KIF21B in colorectal cancer. METHODS The expression of KIF21B was analyzed by the UALCAN database, GEPIA site, and TIMER site. The survival rate was analyzed by Kaplan-Meier curves, and the prognosis was analyzed by ROC. Relevant signaling pathways and biological processes were analyzed by GO-KEGG enrichment analysis. The correlation between KIF21B and cancer immune infiltrates was analyzed by TIMER. The functional state of KIF21B in various types of cancers was conducted by single-cell RNA-sequencing. Furthermore, the expression of KIF21B was verified by real-time qPCR and Western blotting. The cell proliferation was measured by CCK8 assay. The cell apoptosis was analyzed by flow cytometry. Cell migration and invasion were determined by the transwell assay. RESULTS Combination analysis of bioinformatics methods revealed that KIF21B is high expression in CRC, associated with poor survival. KIF21B and associated genes were significantly enriched in covalent chromatin modification. The expression of KIF21B was positively correlated with infiltrating levels of CD4+ T cells and neutrophils, cell apoptosis, and metastasis. KIF21B was upregulated expression in CRC cell lines. KIF21B deficiency reduced cell proliferation, migration, and invasion. CONCLUSIONS Our study suggested that KIF21B may be a biomarker in CRC.
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Affiliation(s)
- Shanshan Xu
- Major of Chinese Medicine Surgery, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, China
| | - Youran Li
- Department of Colorectal Surgery, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, China
| | - Hua Huang
- Department of Anorectal, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Nanjing, Jiangsu 215500, China
| | - Xian Miao
- Department of Oncology, Nantong Hospital of Traditional Chinese, Nantong, Jiangsu 226001, China
| | - Yunfei Gu
- Department of Colorectal Surgery, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, China
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13
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Liu B, Qiang L, Guan B, Ji Z. Targeting kinesin family member 21B by miR-132-3p represses cell proliferation, migration and invasion in gastric cancer. Bioengineered 2022; 13:9006-9018. [PMID: 35341446 PMCID: PMC9161970 DOI: 10.1080/21655979.2022.2054755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Recently, kinesin family member 21B (KIF21B) has been reported to be an oncogene in non-small cell lung cancer and hepatocellular carcinoma. However, the functional role of KIF21B and related molecular mechanisms in gastric cancer (GC) remain largely uncovered. In this study, online bioinformatics analysis showed that KIF21B was overexpression in GC and predicted poor prognosis. Consistently, we found that the protein expression of KIF21B was upregulated in GC tissues compared with adjacent tissues by immunohistochemistry. Knockdown of KIF21B significantly suppressed cell proliferation, migration and invasion in GC cell lines (AGS and SNU-5) using Cell counting kit‑8 (CCK-8) assay, colony formation and transwell assay. KIF21B was confirmed as the target of miR-132-3p in GC cells by luciferase reporter assay. Moreover, miR-132-3p was down-regulated and KIF21B expression was upregulated in GC tissues. Overexpression of KIF21B reversed the miR-132-3p-mediated suppressive effects on GC cell proliferation, migration and invasion. Furthermore, miR-132-3p overexpression downregulated the protein levels of Wnt1, c-Myc, β-catenin, proliferating cell nuclear antigen (PCNA) and N-cadherin, and upregulated E-cadherin expression in GC cells, which were all alleviated after KIF21B overexpression. In conclusion, our findings indicate that down-regulation of KIF21B by miR-132-3p suppresses cellular functions in GC, which might be linked to reduced Wnt/β-catenin signaling.
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Affiliation(s)
- Bingtian Liu
- Department of Gastrointestinal Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Ling Qiang
- Department of Medical Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Bingxin Guan
- Department of Pathology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zhipeng Ji
- Department of Gastrointestinal Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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14
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Wu H, Duan Y, Gong S, Zhu Q, Liu X, Liu Z. An Integrative Pan-Cancer Analysis of Kinesin Family Member C1 (KIFC1) in Human Tumors. Biomedicines 2022; 10:biomedicines10030637. [PMID: 35327439 PMCID: PMC8945479 DOI: 10.3390/biomedicines10030637] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/02/2022] [Accepted: 03/05/2022] [Indexed: 12/10/2022] Open
Abstract
Kinesin family member C1 (KIFC1) is a minus-end-directed motor protein that is critically involved in microtubule crosslinking and spindle formation. KIFC1 is essential for supernumerary centrosomes, and it is associated with the initiation and progression of cancers. In the present study, we initially reviewed the The Cancer Genome Atlas database and observed that KIFC1 is abundantly expressed in most types of tumors. We then analyzed the gene alteration profiles, protein expressions, prognoses, and immune reactivities of KIFC1 in more than 10,000 samples from several well-established databases. In addition, we conducted a gene set enrichment analysis to investigate the potential mechanisms for the roles of KIFC1 in carcinogenesis. The pan-cancer analysis of KIFC1 demonstrates significant statistical correlations of the KIFC1 expression with the clinical prognoses, the oncogenic signature gene sets, the myeloid-derived suppressor cell infiltration, the ImmunoScore, the immune checkpoints, the microsatellite instabilities, and the tumor mutational burdens across multiple tumors. These data may provide important information on the understanding of the role and mechanisms of KIFC1 in carcinogenesis and immunotherapy, as well as on the clinical progression of a variety of cancers.
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Affiliation(s)
- Hao Wu
- Center for Precision Medicine and Division of Cardiovascular Medicine, University of Missouri School of Medicine, Columbia, MO 65212, USA; (H.W.); (Q.Z.); (X.L.)
| | - Yingjuan Duan
- Faculty of Chemistry and Mineralogy, University of Leipzig, 04103 Leipzig, Germany;
| | - Siming Gong
- Institute of Anatomy, University of Leipzig, 04103 Leipzig, Germany;
| | - Qiang Zhu
- Center for Precision Medicine and Division of Cardiovascular Medicine, University of Missouri School of Medicine, Columbia, MO 65212, USA; (H.W.); (Q.Z.); (X.L.)
| | - Xuanyou Liu
- Center for Precision Medicine and Division of Cardiovascular Medicine, University of Missouri School of Medicine, Columbia, MO 65212, USA; (H.W.); (Q.Z.); (X.L.)
| | - Zhenguo Liu
- Center for Precision Medicine and Division of Cardiovascular Medicine, University of Missouri School of Medicine, Columbia, MO 65212, USA; (H.W.); (Q.Z.); (X.L.)
- Correspondence: ; Tel.: +1-573-882-5695
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15
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Li D, Yu T, Han J, Xu X, Wu J, Song W, Liu G, Zhu H, Zeng Z. Prognostic Value and Immunological Role of KIFC1 in Hepatocellular Carcinoma. Front Mol Biosci 2022; 8:799651. [PMID: 35111813 PMCID: PMC8802309 DOI: 10.3389/fmolb.2021.799651] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 12/06/2021] [Indexed: 12/16/2022] Open
Abstract
As one of the members of the kinesin family, the role and potential mechanism of kinesin family member C1 (KIFC1) in the development of liver hepatocellular carcinoma (LIHC), especially in the immune infiltration, have not been fully elucidated. In this study, multiple databases and immunohistochemistry were employed to analyze the role and molecular mechanism including the immune infiltration of KIFC1 in LIHC. Generally, KIFC1 mRNA expression was overexpressed in LIHC tissues than normal tissues, and its protein was also highly expressed in the LIHC. KIFC1 mRNA expression was correlated with tumor grade and TNM staging, which was negatively correlated with overall survival and disease-free survival. Moreover, univariable and multivariate Cox analysis revealed that upregulated KIFC1 mRNA is an independent prognostic factor for LIHC. The KIFC1 promoter methylation level was negatively associated with KIFC1 mRNA expression and advanced stages and grade in LIHC. The different methylation sites of KIFC1 had a different effect on the prognosis of LIHC. Specifically, the KIFC1 mRNA expression level showed intense correlation with tumor immunity, such as tumor-infiltrating immune cells and immune scores as well as multiple immune-related genes. Moreover, KIFC1 co-expressed with some immune checkpoints and related to the responses to immune checkpoint blockade (ICB) and chemotherapies. Significant GO analysis showed that genes correlated with KIFC1 served as catalytic activity, acting on DNA, tubulin binding, histone binding, ATPase activity, and protein serine/threonine kinase activity. KEGG pathway analysis showed that these genes related to KIFC1 are mainly enriched in signal pathways such as cell cycle, spliceosome, pyrimidine metabolism, and RNA transport. Conclusively, KIFC1 was upregulated and displayed a prognostic value in LIHC. Moreover, KIFC1 may be involved in the LIHC progression partially through immune evasion and serve as a predictor of ICB therapies and chemotherapies.
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Affiliation(s)
- Dan Li
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, China
| | - Tao Yu
- Department of Oncology, Integrated Traditional Chinese and Western Medicine, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingjing Han
- Department of Infection Control, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xu Xu
- Department of Geriatrics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jie Wu
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Song
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, China
| | - Gang Liu
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hua Zhu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
- *Correspondence: Hua Zhu, ; Zhi Zeng,
| | - Zhi Zeng
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, China
- *Correspondence: Hua Zhu, ; Zhi Zeng,
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16
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Kinesin Family Member C1 (KIFC1/HSET): A Potential Actionable Biomarker of Early Stage Breast Tumorigenesis and Progression of High-Risk Lesions. J Pers Med 2021; 11:jpm11121361. [PMID: 34945833 PMCID: PMC8708236 DOI: 10.3390/jpm11121361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 11/29/2021] [Accepted: 12/08/2021] [Indexed: 12/14/2022] Open
Abstract
The enigma of why some premalignant or pre-invasive breast lesions transform and progress while others do not remains poorly understood. Currently, no radiologic or molecular biomarkers exist in the clinic that can successfully risk-stratify high-risk lesions for malignant transformation or tumor progression as well as serve as a minimally cytotoxic actionable target for at-risk subpopulations. Breast carcinogenesis involves a series of key molecular deregulatory events that prompt normal cells to bypass tumor-suppressive senescence barriers. Kinesin family member C1 (KIFC1/HSET), which confers survival of cancer cells burdened with extra centrosomes, has been observed in premalignant and pre-invasive lesions, and its expression has been shown to correlate with increasing neoplastic progression. Additionally, KIFC1 has been associated with aggressive breast tumor molecular subtypes, such as basal-like and triple-negative breast cancers. However, the role of KIFC1 in malignant transformation and its potential as a predictive biomarker of neoplastic progression remain elusive. Herein, we review compelling evidence suggesting the involvement of KIFC1 in enabling pre-neoplastic cells to bypass senescence barriers necessary to become immortalized and malignant. We also discuss evidence inferring that KIFC1 levels may be higher in premalignant lesions with a greater inclination to transform and acquire aggressive tumor intrinsic subtypes. Collectively, this evidence provides a strong impetus for further investigation into KIFC1 as a potential risk-stratifying biomarker and minimally cytotoxic actionable target for high-risk patient subpopulations.
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KIFC1 promotes aerobic glycolysis in endometrial cancer cells by regulating the c-myc pathway. J Bioenerg Biomembr 2021; 53:703-713. [PMID: 34729671 DOI: 10.1007/s10863-021-09924-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 09/29/2021] [Indexed: 10/19/2022]
Abstract
Endometrial cancer (EC) is a common gynecological malignant tumor worldwide. It is imperative to study pathogenesis and therapeutic targets for improving the prognosis of EC. The present study aimed to explore the function and mechanism of kinesin family member C1 (KIFC1) in EC. EC tumor and adjacent normal tissues were collected from 68 pairs of patients. The expression of KIFC1 in tissues and EC cells was analyzed by immunohistochemistry, qRT-PCR or western blot. MTT assay was used to test the cell viability. Flow cytometry was used to determine apoptosis and the cell cycle. Glucose uptake, lactate production, ATP contents and lactate dehydrogenase (LDH) activity were evaluated by a glucose metabolism kit. The expression of HMGA1, c-myc and glycolytic genes was assessed using western blot or qRT-PCR. A mouse xenograft model was established in BALB/c mice to detect tumor growth in vivo. KIFC1 was significantly upregulated in EC tumor tissues compared to adjacent normal control tissues. The upregulated expression of KIFC1 was correlated with poor prognosis in patients. Lentiviral-mediated overexpression of KIFC1 observably enhanced cell viability and reduced the apoptotic rate of Ishikawa and HEC-1B cells. Cell cycle progression was also expedited in the KIFC1 vector group. Moreover, overexpression of KIFC1 elevated glucose uptake, lactate production, ATP contents and LDH activity. However, knockdown of KIFC1 by short hairpin RNA (shRNA) showed the reverse effect on cellular functions. In addition, the expression of c-myc, GLUT1, LDHA and HK2 was increased by the KIFC1 vector. Moreover, HMGA1 regulated the expression of c-myc and glycolytic genes. Upregulated HMGA1 could rescue the effect of KIFC1 knockdown on cellular functions and the expression of glycolytic genes. Finally, KIFC1 knockdown inhibits tumor growth in vivo. The upregulation of KIFC1 was correlated with poor prognosis in EC. KIFC1 promoted aerobic glycolysis in endometrial cancer cells by regulating the HMGA1/c-myc pathway. KIFC1 may be a potential target for the diagnosis and therapy of EC.
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Yang Y, Gao L, Weng NN, Li JJ, Liu JL, Zhou Y, Liao R, Xiong QL, Xu YF, Varela-Ramirez A, Zhu Q. Identification of Novel Molecular Therapeutic Targets and Their Potential Prognostic Biomarkers Among Kinesin Superfamily of Proteins in Pancreatic Ductal Adenocarcinoma. Front Oncol 2021; 11:708900. [PMID: 34557409 PMCID: PMC8454465 DOI: 10.3389/fonc.2021.708900] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 08/02/2021] [Indexed: 02/05/2023] Open
Abstract
Background Kinesin superfamily of proteins (KIFs) has been broadly reported to play an indispensable role in the biological process. Recently, emerging evidence reveals its oncogenic role in various cancers. However, the prognostic, oncological, and immunological values of KIFs have not been comprehensively explored in pancreatic ductal adenocarcinoma (PDAC) patients. We aimed to illustrate the relationship between KIFs and pancreatic ductal adenocarcinoma by using bioinformatical analysis. Methods We use GEPIA, Oncomine datasets, cBioPortal, LOGpc, TIMER, and STRING bioinformatics tools and web servers to investigate the aberrant expression, prognostic values, and oncogenic role of KIFs. The two-gene prognostic model and the correlation between KIFs and KRAS and TP53 mutation were performed using an R-based computational framework. Results Our results demonstrated that KIFC1/2C/4A/11/14/15/18A/18B/20B/23 (we name it prognosis-related KIFs) were upregulated and associated with unfavorable clinical outcome in pancreatic cancer patients. KIF21B overexpression is associated with better clinical outcome. The KIFC1/2C/4A/11/14/15/18A/18B/20B/23 profiles were significantly increased compared to grade 1 and grade 2/3. Besides, KIFC1/2C/4A/11/14/15/18A/18B/20B/23 was significantly associated with the mutation status of KRAS and TP53.Notably, most prognosis-related KIFs have strong correlations with tumor growth and myeloid-derived suppressor cells infiltration (MDSCs). A prognostic signature based on KIF20B and KIF21B showed a reliable predictive performance. Receiver operating characteristic (ROC) curve was employed to assess the predictive power of two-gene signature. Consequently, the gene set enrichment analysis (GSEA) showed that KIF20B and KIF21B’s overexpression was associated with the immunological and oncogenic pathway activation in pancreatic cancer. Finally, real-time quantitative PCR (RT-qPCR) was utilized to investigate the expression pattern of KIF20B and KIF21B in pancreatic cancer cell lines and normal pancreatic cell. Conclusions Knowledge of the expression level of the KIFs may provide novel therapeutic molecular targets and potential prognostic biomarkers to pancreatic cancer patients.
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Affiliation(s)
- Yang Yang
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Lanyang Gao
- Sichuan Provincial Center for Gynaecology and Breast Disease, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, China
| | - Ning-Na Weng
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Jun-Jun Li
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Jin Lu Liu
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Ying Zhou
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Rong Liao
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Qun-Li Xiong
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Yong-Feng Xu
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Armando Varela-Ramirez
- Department of Biological Sciences, The Border Biomedical Research Center (BBRC), The University of Texas at El Paso, El Paso, TX, United States
| | - Qing Zhu
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, China
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Liu J, Tian Y, Yi L, Gao Z, Lou M, Yuan K. High KIF11 expression is associated with poor outcome of NSCLC. TUMORI JOURNAL 2021; 108:40-46. [PMID: 33554761 DOI: 10.1177/0300891620988342] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE To clarify the correlation between KIF11 (kinesin family member 11) and clinicopathologic characteristics of non-small cell lung cancer (NSCLC) and identify the prognostic value of KIF11 in patients with NSCLC. METHODS For investigating the expression of KIF11 in NSCLC, two tissue microarrays (TMAs: one contained 60 paired NSCLC tissues and paratumor tissues, the other contained 140 NSCLC tissues and 10 normal lung tissues) were constructed, stained, and scored. The Cancer Genome Atlas (TCGA) datasets were used to explore the differential expression level of KIF11 between NSCLC and paratumor. Kaplan-Meier survival curves were plotted and multivariate analysis were carried out. RESULTS The staining of KIF11 mainly distributed throughout the cytoplasm of tumor cells. Its expression was higher in NSCLC than paratumor cells, and similar results were obtained from TCGA datasets. We found that high expression of KIF11 had a significant correlation with lymph node metastases (p = 0.024) and pathologic stage (p = 0.018); that significant difference was not found in any other clinicopathologic characteristic. As univariate and multivariate analysis showed, KIF11 expression was significantly correlated with overall survival time of NSCLC (p = 0.002, p = 0.025, respectively). High KIF11 expression was found to significantly associate with overall survival of stage II-III (p = 0.001) and lung adenocarcinoma (p = 0.036). CONCLUSION High KIF11 expression predicts poor outcome in NSCLC. KIF11 is expected to be a viable prognostic biomarker for NSCLC.
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Affiliation(s)
- Junhui Liu
- School of Medicine, Dalian Medical University, Dalian, China.,Division of Thoracic Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Yubin Tian
- School of Medicine, Dalian Medical University, Dalian, China.,Division of Thoracic Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Lei Yi
- Division of Thoracic Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Zhaojia Gao
- Division of Thoracic Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China.,Heart and Lung Disease Laboratory, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Ming Lou
- Division of Thoracic Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Kai Yuan
- Division of Thoracic Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China.,Heart and Lung Disease Laboratory, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
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20
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Ems-McClung SC, Emch M, Zhang S, Mahnoor S, Weaver LN, Walczak CE. RanGTP induces an effector gradient of XCTK2 and importin α/β for spindle microtubule cross-linking. J Cell Biol 2020; 219:133528. [PMID: 31865374 PMCID: PMC7041689 DOI: 10.1083/jcb.201906045] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 10/21/2019] [Accepted: 11/08/2019] [Indexed: 01/04/2023] Open
Abstract
High RanGTP around chromatin is important for governing spindle assembly during meiosis and mitosis by releasing the inhibitory effects of importin α/β. Here we examine how the Ran gradient regulates Kinesin-14 function to control spindle organization. We show that Xenopus Kinesin-14, XCTK2, and importin α/β form an effector gradient that is highest at the poles and diminishes toward the chromatin, which is opposite the RanGTP gradient. Importin α and β preferentially inhibit XCTK2 antiparallel microtubule cross-linking and sliding by decreasing the microtubule affinity of the XCTK2 tail domain. This change in microtubule affinity enables RanGTP to target endogenous XCTK2 to the spindle. We propose that these combined actions of the Ran pathway are critical to promote Kinesin-14 parallel microtubule cross-linking to help focus spindle poles for efficient bipolar spindle assembly. Furthermore, our work illustrates that RanGTP regulation in the spindle is not simply a switch, but rather generates effector gradients where importins α and β gradually tune the activities of spindle assembly factors.
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Affiliation(s)
| | - Mackenzie Emch
- Department of Biology, Indiana University, Bloomington, IN
| | | | - Serena Mahnoor
- Indiana University International Summer Undergraduate Research Program, Bloomington, IN
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Inhibition of kinesin motor protein KIFC1 by AZ82 induces multipolar mitosis and apoptosis in prostate cancer cell. Gene 2020; 760:144989. [PMID: 32717307 DOI: 10.1016/j.gene.2020.144989] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/28/2020] [Accepted: 07/21/2020] [Indexed: 12/14/2022]
Abstract
Kinesin 14 family member KIFC1 is a mitotic kinesin which contains a C-terminal motor domain and plays a vital role for clustering the amplified centrosomes. Overexpression of KIFC1 in prostate cancer (PCa) cells showed resistance to docetaxel (DTX). The present study revealed that small KIFC1 inhibitor AZ82 suppresed the transcription and translation of KIFC1 significantly in PCa cells. AZ82 inhibited the KIFC1 expression both in the cytoplasm and nucleus of PCa cells. Inhibition of KIFC1 by AZ82 caused multipolar mitosis in PCa cells via de-clustering the amplified centrosomes and decreased the rate of cancer cell growth and proliferation. Moreover, depletion of KIFC1 reduced cells entering the cell cycle and caused PCa cells death through apoptosis by increasing the expression of Bax and Cytochrome C. Thereby, KIFC1 silencing and inhibition decreased the PCa cells survival by inducing multipolar mitosis as well as apoptosis, suggesting inhibition of KIFC1 using AZ82 might be a strategy to treat PCa by controlling the cancer cell proliferation.
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Sun ZG, Pan F, Shao JB, Yan QQ, Lu L, Zhang N. Kinesin superfamily protein 21B acts as an oncogene in non-small cell lung cancer. Cancer Cell Int 2020; 20:233. [PMID: 32536821 PMCID: PMC7291654 DOI: 10.1186/s12935-020-01323-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 06/04/2020] [Indexed: 12/25/2022] Open
Abstract
Background Kinesin superfamily proteins (KIFs) serve as microtubule-dependent molecular motors, and are involved in the progression of many malignant tumors. In this study, we aimed to investigate the expression pattern and precise role of kinesin family member 21B (KIF21B) in non-small cell lung cancer (NSCLC). Methods KIF21B expression in 72 cases of NSCLC tissues was measured by immunohistochemical staining (IHC). We used shRNA-KIF21B interference to silence KIF21B in NSCLC H1299 and A549 cells and normal lung epithelial bronchus BEAS-2B cells. The biological roles of KIF21B in the growth and metastasis abilities of NSCLC cells were measured by Cell Counting Kit-8 (CCK8), colony formation and Hoechst 33342/PI, wound-healing, and Transwell assays, respectively. Expression of apoptosis-related proteins was determined using western blot. The effect of KIF21B on tumor growth in vivo was examined using nude mice model. Results KIF21B was up-regulated in NSCLC tissues, and correlated with pathological lymph node and pTNM stage, its high expression was predicted a poor prognosis of patients with NSCLC. Silencing of KIF21B mediated by lentivirus-delivered shRNA significantly inhibited the proliferation ability of H1299 and A549 cells. KIF21B knockdown increased apoptosis in H1299 and A549 cells, down-regulated the expression of Bcl-2 and up-regulated the expression of Bax and active Caspase 3. Moreover, KIF21B knockdown decreased the level of phosphorylated form of Akt (p-Akt) and Cyclin D1 expression in H1299 and A549 cells. In addition, silencing of KIF21B impeded the migration and invasion of H1299 and A549 cells. Further, silencing of KIF 21B dramatically inhibited xenograft growth in BALB/c nude mice. However, silencing of KIF21B did not affect the proliferation, migration and invasion of BEAS-2B cells. Conclusions These results reveal that KIF21B is up-regulated in NSCLC and acts as an oncogene in the growth and metastasis of NSCLC, which may function as a potential therapeutic target and a prognostic biomarker for NSCLC.
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Affiliation(s)
- Zhi-Gang Sun
- Department of Thoracic Surgery, Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013 People's Republic of China
| | - Feng Pan
- Department of Ethics Committee, Central Hospital Affiliated to Shandong University, Jinan, 250012 People's Republic of China
| | - Jing-Bo Shao
- Weifang Medical University, Weifang, 261053 People's Republic of China
| | - Qian-Qian Yan
- Department of Oncology, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012 People's Republic of China
| | - Lu Lu
- Shandong First Medical University, Jinan, 250013 Shandong China
| | - Nan Zhang
- Department of Oncology, Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013 People's Republic of China
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Liao Y, Wang Y, Cheng M, Huang C, Fan X. Weighted Gene Coexpression Network Analysis of Features That Control Cancer Stem Cells Reveals Prognostic Biomarkers in Lung Adenocarcinoma. Front Genet 2020; 11:311. [PMID: 32391047 PMCID: PMC7192063 DOI: 10.3389/fgene.2020.00311] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 03/16/2020] [Indexed: 12/24/2022] Open
Abstract
Purpose We aimed to identify new prognostic biomarkers of lung adenocarcinoma (LUAD) based on cancer stem cell theory. Materials and Methods: RNA-seq and microarray data were obtained with clinical information downloaded from The Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO) databases. Weighted gene coexpression network analysis (WGCNA) was applied to identify significant module and hub genes. The hub genes were validated via microarray data from GEO, and a prognostic signature with prognostic hub genes was constructed. Results LUAD patients enrolled from TCGA had a higher mRNA expression-based stemness index (mRNAsi) in tumor tissue than in adjacent normal tissue. Some clinical features and prognoses were found to be highly correlated with mRNAsi. WGCNA found that the green module and blue module were the most significant modules related to mRNAsi; 50 key genes were identified in the green module and were enriched mostly in the cell cycle, chromosome segregation, chromosomal region and microtubule binding. Six hub genes were revealed through the protein-protein interaction (PPI) network and Molecular Complex Detection (MCODE) plugin of Cytoscape software. Based on external verification with the GEO database, these six genes are not only expressed at different levels in LUAD and normal tissues but also associated with different clinical features. In addition, the construction of a prognostic signature with three hub genes showed high predictive value. Conclusion mRNAsi-related biomarkers may suggest a new potential treatment strategy for LUAD.
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Affiliation(s)
- Yi Liao
- Department of Respiratory and Critical Care Medicine II, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yulei Wang
- Department of Respiratory and Critical Care Medicine II, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Mengqing Cheng
- Department of Respiratory and Critical Care Medicine II, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Chengliang Huang
- Department of Respiratory and Critical Care Medicine II, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xianming Fan
- Department of Respiratory and Critical Care Medicine II, The Affiliated Hospital of Southwest Medical University, Luzhou, China
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Zhou K, Zhao J, Qi L, He Y, Xu J, Dai M. Kinesin Family Member C1 (KIFC1) Accelerates Proliferation and Invasion of Endometrial Cancer Cells Through Modulating the PI3K/AKT Signaling Pathway. Technol Cancer Res Treat 2020; 19:1533033820964217. [PMID: 33034273 PMCID: PMC7549169 DOI: 10.1177/1533033820964217] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 07/16/2020] [Accepted: 09/15/2020] [Indexed: 12/27/2022] Open
Abstract
Endometrial cancer (EC) is one of the most common cancers among women worldwide. Kinesin family member C1 (KIFC1) has been demonstrated to play crucial roles in various tumors. However, the function of KIFC1 in EC remains to be revealed. In this study, upregulation of KIFC1 expression in human EC tissues was found from analysis on data from The Cancer Genome Atlas (TCGA), and positively correlated with short survival outcome of EC patients. In addition, the mRNA and protein levels of KIFC1 were confirmed to be up-regulated in EC cells (Ishikawa, HEC-1B, HEC-1A and KLE) compared to human normal endometrial stromal cells (hESCs) by quantitative real time PCR and western blot. In vitro functional experiments showed that overexpression of KIFC1 promoted proliferation, migration and invasion of EC cells, while KIFC1 depletion showed the opposite results. Moreover, KIFC1 knockdown suppressed tumor growth in mice. Further mechanism analysis showed that KIFC1 participated in the regulation of EC progression through regulating the PI3K/AKT signaling pathway. Collectively, KIFC1 promoted proliferation and invasion through modulating PI3K/AKT signaling pathway in EC, implying that KIFC1 might provide a promising therapeutic target for the therapy of EC.
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Affiliation(s)
- Kening Zhou
- Department of Gynaecology, People’s Hospital of Quzhou City, Quzhou,
China
| | - Jian Zhao
- Department of Pathology, People’s Hospital of Quzhou City, Quzhou,
China
| | - Lifang Qi
- Department of Gynaecology, The Second Affiliated Hospital of Wenzhou
Medical University, Lucheng District, Wenzhou, China
| | - Yingying He
- Department of Pathology, People’s Hospital of Quzhou City, Quzhou,
China
| | - Jingui Xu
- Department of Gynaecology, People’s Hospital of Quzhou City, Quzhou,
China
| | - Mimi Dai
- Department of Gynaecology, The Second Affiliated Hospital of Wenzhou
Medical University, Lucheng District, Wenzhou, China
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Wang X, Wang M, Li XY, Li J, Zhao DP. KIFC1 promotes the proliferation of hepatocellular carcinoma in vitro and in vivo. Oncol Lett 2019; 18:5739-5746. [PMID: 31788047 PMCID: PMC6865703 DOI: 10.3892/ol.2019.10985] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 06/28/2019] [Indexed: 12/23/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a common type of malignant tumor worldwide with a high mortality rate. In the past 20 years, the morbidity rate of HCC has increased. Progress has been made in the clinical diagnosis and therapy for HCC. However, due to the high heterogeneity and metastasis targeted therapy for HCC exhibits great promise, and novel therapeutic targets for HCC are urgently required. Kinesin family member C1 (KIFC1) is a member of the kinesin superfamily of proteins. Previous studies have indicated a potential association between KIFC1 and cancer progression. However, the potential role of KIFC1 in the development of HCC remains unclear. The present study aimed to explore the function of KIFC1 in HCC. Immunohistochemical (IHC) assays were performed to explore the KIF15 expression levels in 74 samples of HCC and corresponding non-tumor tissues. The potential association between KIF15 expression levels and clinical features was analyzed, and the effects of KIF15 on cell proliferation of HCC were detected by colony formation and MTT assays. In addition, the proliferation-related proteins Ki67 and PCNA were detected by western blotting. The possible effects of KIF15 on tumor growth were measured in mice. The results demonstrated that a high expression level of KIFC1 was associated with poor prognosis of HCC. Further results indicated that KIFC1 promoted cell proliferation of HCC in vitro. In addition, knockdown of KIFC1 suppressed tumor formation and growth in mice. Therefore, these results provide a potential therapeutic target for the treatment of HCC.
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Affiliation(s)
- Xing Wang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
| | - Meng Wang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
| | - Xing-Yue Li
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
| | - Jian Li
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
| | - Dian-Peng Zhao
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
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Sun Y, Zhang Y, Lang Z, Huang J, Zou Z. Prognostic and clinicopathological significance of kinesin family member C1 in various cancers: A meta-analysis. Medicine (Baltimore) 2019; 98:e17346. [PMID: 31577729 PMCID: PMC6783163 DOI: 10.1097/md.0000000000017346] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Kinesin family member C1 (KIFC1), a C-type kinesin motor protein, plays important roles in centrosome assembly and intracellular transport. Numerous studies have focused on the prognostic value of KIFC1 in malignant tumors and the relationship between KIFC1 expression and clinicopathological traits of cancer patients, but the studies remain controversial. And no meta-analysis has yet shown the association between KIFC1 and various cancers. METHODS Systematic retrieval was carried out within several databases, including PubMed, Embase, Web of Science, Wanfang and China National Knowledge Infrastructure (CNKI). In addition, hazard ratios (HR) and relative risks (RR) with 95% confidence intervals (CIs) were calculated to examine the risk or hazard correlation by Stata SE15.1. RESULTS Eleven studies with the overall 2424 participants were included in this research. High KIFC1 expression was remarkably correlated with worse OS (HR = 1.33, 95% CI = 1.07-1.60) and poorer relapse-free survival (HR = 2.28, 95% CI = 1.75-2.80). In subgroup analysis, high KIFC1 expression was a negative predictor for OS in patients with ovarian cancer (P < .001), breast cancer (P < .001), hepatocellular carcinoma (P < .001), and non-small cell lung cancer (P < .001), but not for esophageal squamous cell carcinoma (P = .246). Moreover, high levels of KIFC1 were related with positive lymph node metastasis (RR = 1.23, 95% CI = 1.01-1.50, P = .041) and advanced tumor node metastasis (TNM) stage (RR = 1.55, 95% CI = 1.27-1.89, P < .001). CONCLUSIONS KIFC1 overexpression indicates poor prognosis and more serious clinicopathological characteristics in kinds of malignancies. Thus, we conclude that KIFC1 could be a target for clinical diagnosis and treatment of various cancers.
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Affiliation(s)
- Yuting Sun
- Department of General Surgery, Second Affiliated Hospital of Nanchang University
- Nanchang University, Nanchang, Jiangxi, P.R. China
| | - Yi Zhang
- Department of General Surgery, Second Affiliated Hospital of Nanchang University
- Nanchang University, Nanchang, Jiangxi, P.R. China
| | - Zhiquan Lang
- Department of General Surgery, Second Affiliated Hospital of Nanchang University
- Nanchang University, Nanchang, Jiangxi, P.R. China
| | - Junfu Huang
- Department of General Surgery, Second Affiliated Hospital of Nanchang University
- Nanchang University, Nanchang, Jiangxi, P.R. China
| | - Zhenhong Zou
- Department of General Surgery, Second Affiliated Hospital of Nanchang University
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GWAS for Meat and Carcass Traits Using Imputed Sequence Level Genotypes in Pooled F2-Designs in Pigs. G3-GENES GENOMES GENETICS 2019; 9:2823-2834. [PMID: 31296617 PMCID: PMC6723123 DOI: 10.1534/g3.119.400452] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In order to gain insight into the genetic architecture of economically important traits in pigs and to derive suitable genetic markers to improve these traits in breeding programs, many studies have been conducted to map quantitative trait loci. Shortcomings of these studies were low mapping resolution, large confidence intervals for quantitative trait loci-positions and large linkage disequilibrium blocks. Here, we overcome these shortcomings by pooling four large F2 designs to produce smaller linkage disequilibrium blocks and by resequencing the founder generation at high coverage and the F1 generation at low coverage for subsequent imputation of the F2 generation to whole genome sequencing marker density. This lead to the discovery of more than 32 million variants, 8 million of which have not been previously reported. The pooling of the four F2 designs enabled us to perform a joint genome-wide association study, which lead to the identification of numerous significantly associated variant clusters on chromosomes 1, 2, 4, 7, 17 and 18 for the growth and carcass traits average daily gain, back fat thickness, meat fat ratio, and carcass length. We could not only confirm previously reported, but also discovered new quantitative trait loci. As a result, several new candidate genes are discussed, among them BMP2 (bone morphogenetic protein 2), which we recently discovered in a related study. Variant effect prediction revealed that 15 high impact variants for the traits back fat thickness, meat fat ratio and carcass length were among the statistically significantly associated variants.
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KIFC1 is activated by TCF-4 and promotes hepatocellular carcinoma pathogenesis by regulating HMGA1 transcriptional activity. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:329. [PMID: 31340839 PMCID: PMC6657086 DOI: 10.1186/s13046-019-1331-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 07/18/2019] [Indexed: 12/21/2022]
Abstract
Background Kinesins play important roles in the development and progression of many human cancers. The functions and underlying mechanisms of kinesin family member C1 (KIFC1), a member of the kinesin-14 family, in the pathogenesis of hepatocellular carcinoma (HCC) have not been fully elucidated. Methods In this study, 168 HCC samples were first analyzed to examine the association between KIFC1 expression and patient clinicopathological features and prognosis. The role of KIFC1 in HCC cell proliferation and metastasis was investigated both in vivo and in vitro. The upstream regulation and downstream targets of KIFC1 were studied by qRT-PCR, western blotting, coimmunoprecipitation, chromatin immunoprecipitation (ChIP) and dual-luciferase reporter assays. Results KIFC1 was highly expressed in HCC tissues and positively associated with advanced stages and poor prognosis. KIFC1 knockdown suppressed HCC cell proliferation and invasion both in vitro and in vivo. Furthermore, KIFC1 knockdown decreased invadopodia formation and reduced epithelial-mesenchymal transition (EMT). HMGA1, an architectural transcriptional factor, was identified to interact with KIFC1. HMGA1 could bind to the promoters of Stat3, MMP2 and EMT-related genes and promote gene transcription. KIFC1 enhanced HMGA1 transcriptional activity and facilitated HCC proliferation and invasion. Moreover, KIFC1 was activated by TCF-4, and KIFC1 inhibition enhanced HCC cell sensitivity to paclitaxel. Conclusions Our findings suggest that KIFC1, activated by TCF-4, functions as an oncogene and promotes HCC pathogenesis through regulating HMGA1 transcriptional activity and that KIFC1 is a potential therapeutic target to enhance the paclitaxel sensitivity of HCC. Electronic supplementary material The online version of this article (10.1186/s13046-019-1331-8) contains supplementary material, which is available to authorized users.
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Kinesin-14 motor protein KIFC1 participates in DNA synthesis and chromatin maintenance. Cell Death Dis 2019; 10:402. [PMID: 31127080 PMCID: PMC6534603 DOI: 10.1038/s41419-019-1619-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/02/2019] [Accepted: 04/29/2019] [Indexed: 11/09/2022]
Abstract
The nuclear localization signal (NLS) in kinesin-14 KIFC1 is associated with nuclear importins and Ran gradient, but detailed mechanism remains unknown. In this study, we found that KIFC1 proteins have specific transport characteristics during cell cycle. In the absence of KIFC1, cell cycle kinetics decrease significantly with a prolonged S phase. After KIFC1 overexpression, the duration of S phase becomes shorten. KIFC1 may transport the recombinant/replicate-related proteins into the nucleus, meanwhile avoiding excessive KIFC1 in the cytoplasm, which results in aberrant microtubule bundling. Interestingly, the deletion of kifc1 in human cells results in a higher ratio of aberrant nuclear membrane, and the degradation of lamin B and lamin A/C. We also found that kifc1 deletion leads to defects in metaphase mitotic spindle assembly, and then results in chromosome structural abnormality. The kifc1-/- cells finally form micronuclei in daughter cells, and results in aneuploidy and chromosome loss in cell cycle. In this study, we demonstrate that kinesin-14 KIFC1 proteins involve in regulating DNA synthesis in S phase, and chromatin maintenance in mitosis, and maintain cell growth in a nuclear transport-independent way.
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Identification of KIF11 As a Novel Target in Meningioma. Cancers (Basel) 2019; 11:cancers11040545. [PMID: 30991738 PMCID: PMC6521001 DOI: 10.3390/cancers11040545] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 04/09/2019] [Accepted: 04/11/2019] [Indexed: 12/11/2022] Open
Abstract
Kinesins play an important role in many physiological functions including intracellular vesicle transport and mitosis. The emerging role of kinesins in different cancers led us to investigate the expression and functional role of kinesins in meningioma. Therefore, we re-analyzed our previous microarray dataset of benign, atypical, and anaplastic meningiomas (n = 62) and got evidence for differential expression of five kinesins (KIFC1, KIF4A, KIF11, KIF14 and KIF20A). Further validation in an extended study sample (n = 208) revealed a significant upregulation of these genes in WHO°I to °III meningiomas (WHO°I n = 61, WHO°II n = 88, and WHO°III n = 59), which was most pronounced in clinically more aggressive tumors of the same WHO grade. Immunohistochemical staining confirmed a WHO grade-associated upregulated protein expression in meningioma tissues. Furthermore, high mRNA expression levels of KIFC1, KIF11, KIF14 and KIF20A were associated with shorter progression-free survival. On a functional level, knockdown of kinesins in Ben-Men-1 cells and in the newly established anaplastic meningioma cell line NCH93 resulted in a significantly inhibited tumor cell proliferation upon siRNA-mediated downregulation of KIF11 in both cell lines by up to 95% and 71%, respectively. Taken together, in this study we were able to identify the prognostic and functional role of several kinesin family members of which KIF11 exhibits the most promising properties as a novel prognostic marker and therapeutic target, which may offer new treatment options for aggressive meningiomas.
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Han J, Wang F, Lan Y, Wang J, Nie C, Liang Y, Song R, Zheng T, Pan S, Pei T, Xie C, Yang G, Liu X, Zhu M, Wang Y, Liu Y, Meng F, Cui Y, Zhang B, Liu Y, Meng X, Zhang J, Liu L. KIFC1 regulated by miR-532-3p promotes epithelial-to-mesenchymal transition and metastasis of hepatocellular carcinoma via gankyrin/AKT signaling. Oncogene 2018; 38:406-420. [PMID: 30115976 PMCID: PMC6336682 DOI: 10.1038/s41388-018-0440-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 06/14/2018] [Accepted: 07/20/2018] [Indexed: 01/28/2023]
Abstract
Hepatocellular carcinoma (HCC) is one of the most lethal cancers worldwide. The poor survival may be due to a high proportions of tumor recurrence and metastasis. Kinesin family member C1 (KIFC1) is highly expressed in a variety of neoplasms and is a potential marker for non-small cell lung cancer or ovarian adenocarcinoma metastasis. Nevertheless, the role of KIFC1 in HCC metastasis remains obscure. We investigated this in the present study using HCC cell lines and clinical specimens. Our results indicated that increased levels of KIFC1 were associated with poor prognosis and metastasis in HCC. In addition, KIFC1 induced epithelial-to-mesenchymal transition (EMT) and HCC metastasis both in vitro and in vivo. This tumorigenic effect depended on gankyrin; inhibiting gankyrin activity reversed EMT via activation of protein kinase B (AKT)/Twist family BHLH transcription factor 1 (AKT/TWIST1). We also found that KIFC1 was directly regulated by the microRNA miR-532-3p, whose downregulation was associated with metastatic progression in HCC. These results denote that a decrease in miR-532-3p levels results in increased KIFC1 expression in HCC, leading to metastasis via activation of the gankyrin/AKT/TWIST1 signaling pathway.
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Affiliation(s)
- Jihua Han
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China.,Department of Head and Neck Surgery, The Third Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Fengyue Wang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yaliang Lan
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Jiabei Wang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Chunlei Nie
- Department of Head and Neck Surgery, The Third Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yingjian Liang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Ruipeng Song
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Tongsen Zheng
- Department of Gastrointestinal Medical Oncology, The Third Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Shangha Pan
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Tiemin Pei
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Changming Xie
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Guangchao Yang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Xirui Liu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Mingxi Zhu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yan Wang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yao Liu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Fanzheng Meng
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yifeng Cui
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Bo Zhang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yufeng Liu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Xianzhi Meng
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China.
| | - Jiewu Zhang
- Department of Head and Neck Surgery, The Third Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China.
| | - Lianxin Liu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China.
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32
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Shi B, Zhang X, Chao L, Zheng Y, Tan Y, Wang L, Zhang W. Comprehensive analysis of key genes, microRNAs and long non-coding RNAs in hepatocellular carcinoma. FEBS Open Bio 2018; 8:1424-1436. [PMID: 30186744 PMCID: PMC6120244 DOI: 10.1002/2211-5463.12483] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 06/10/2018] [Accepted: 06/25/2018] [Indexed: 12/14/2022] Open
Abstract
Human hepatocellular carcinoma (HCC) is a common aggressive cancer whose molecular mechanism remains elusive. We aimed to identify the key genes, microRNAs (miRNAs) and long non‐coding RNAs (lncRNAs) involved with HCC. We obtained mRNA, miRNA and lncRNA profiles for HCC from The Cancer Genome Atlas and then identified differentially expressed mRNAs (DEmRNAs), miRNAs (DEmiRNAs) and lncRNAs (DElncRNAs). We performed functional annotation of DEmRNAs and then constructed HCC‐specific DEmiRNA–DEmRNA, DEmiRNA–DElncRNA and DElncRNA–DEmiRNA–DEmRNA interaction networks. We searched for nearby target cis‐DEmRNAs of DElncRNAs and performed receiver operating characteristic and survival analyses. A total of 1239 DEmRNAs, 33 DEmiRNAs and 167 DElncRNAs in HCC were obtained. Retinol metabolism [false discovery rate (FDR) = 7.02 × 10−14] and metabolism of xenobiotics by cytochrome P450 (FDR = 7.30 × 10−11) were two significantly enriched pathways in HCC. We obtained 545 DEmiRNA–DEmRNA pairs that consisted of 258 DEmRNAs and 28 DEmiRNAs in HCC. mir‐424, miR‐93 and miR‐3607 are three hub DEmiRNAs of the HCC‐specific DEmiRNA–DEmRNA interaction network. HAND2‐AS1/ENSG00000232855–miR‐93–LRAT/RND3, ENSG00000232855–miR‐877–RCAN1 and ENSG00000232855–miR‐224–RND3 interactions were found in the HCC‐specific DElncRNA–DEmiRNA–DEmRNA interaction network. A total of three DElncRNA–nearby target DEmRNA pairs (HCG25–KIFC1, LOC105378687–CDC20 and LOC101927043–EPCAM) in HCC were obtained. Diagnostic and prognostic values of several selected DElncRNAs, DEmRNAs and DEmiRNAs for HCC were assessed. Our study identified several DEmRNAs, DEmiRNAs and DElncRNAs with great diagnostic or prognostic value for HCC, which may facilitate studies into the molecular mechanisms, and development of potential biomarkers and therapeutic target sites for HCC.
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Affiliation(s)
- Baoqi Shi
- Department of Intervention Inner Mongolia People's Hospital Hohhot China
| | - Xuejun Zhang
- Department of Intervention Inner Mongolia People's Hospital Hohhot China
| | - Lumeng Chao
- Department of Intervention Inner Mongolia People's Hospital Hohhot China
| | - Yu Zheng
- Department of Intervention Inner Mongolia People's Hospital Hohhot China
| | - Yongsheng Tan
- Department of Intervention Inner Mongolia People's Hospital Hohhot China
| | - Liang Wang
- Department of Intervention Inner Mongolia People's Hospital Hohhot China
| | - Wei Zhang
- Department of Intervention Inner Mongolia People's Hospital Hohhot China
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Imai T, Oue N, Yamamoto Y, Asai R, Uraoka N, Sentani K, Yoshida K, Yasui W. Overexpression of KIFC1 and its association with spheroid formation in esophageal squamous cell carcinoma. Pathol Res Pract 2017; 213:1388-1393. [PMID: 28964573 DOI: 10.1016/j.prp.2017.09.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 08/23/2017] [Accepted: 09/09/2017] [Indexed: 12/27/2022]
Abstract
Esophageal squamous cell carcinoma (ESCC) is one of the most common human cancers. We previously reported that KIFC1 is involved in gastric cancer pathogenesis and that KIFC1 plays an important role in gastric cancer spheroid colony formation. However, the significance of KIFC1 in ESCC has not been examined. In the present study, we analyzed the expression and distribution of KIFC1 in 132 ESCC cases by immunohistochemistry. In contrast to weak or no staining of KIFC1 in non-neoplastic mucosa, ESCC tissue showed stronger, more extensive KIFC1 staining. In total, 95 (72%) of 132 ESCC cases were positive for KIFC1. Immunostaining of ALDH1 was also performed, and KIFC1-positive ESCC cases were significantly frequently found in ALDH1-positive ESCC cases compared with ALDH1-negative ESCC cases. Spheroid colony formation is an effective method to characterize CSCs, thus we analyzed sphere number and size at 15days in ESCC cells downregulated for KIFC1 by siRNA transfection. Both the number and size of sphere from TE-1 cells were significantly reduced in KIFC1 siRNA-transfected TE-1 cells than in negative control siRNA-transfected cells. These results suggest that KIFC1 plays an important role in ESCC pathogenesis.
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Affiliation(s)
- Takeharu Imai
- Department of Molecular Pathology, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima 734-8551, Japan; Department of Surgical Oncology, Graduate School of Medicine, Gifu University, Gifu 501-1194, Japan
| | - Naohide Oue
- Department of Molecular Pathology, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima 734-8551, Japan.
| | - Yuji Yamamoto
- Department of Molecular Pathology, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima 734-8551, Japan
| | - Ryuichi Asai
- Department of Molecular Pathology, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima 734-8551, Japan; Department of Surgical Oncology, Graduate School of Medicine, Gifu University, Gifu 501-1194, Japan
| | - Naohiro Uraoka
- Department of Molecular Pathology, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima 734-8551, Japan; Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kazuhiro Sentani
- Department of Molecular Pathology, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima 734-8551, Japan
| | - Kazuhiro Yoshida
- Department of Surgical Oncology, Graduate School of Medicine, Gifu University, Gifu 501-1194, Japan
| | - Wataru Yasui
- Department of Molecular Pathology, Hiroshima University Institute of Biomedical and Health Sciences, Hiroshima 734-8551, Japan
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