1
|
Suchitha GP, Balaya RDA, Raju R, Keshava Prasad TS, Dagamajalu S. A network map of cytoskeleton-associated protein 4 (CKAP4) mediated signaling pathway in cancer. J Cell Commun Signal 2023; 17:1097-1104. [PMID: 36944905 PMCID: PMC10409693 DOI: 10.1007/s12079-023-00739-w] [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: 02/06/2023] [Accepted: 03/08/2023] [Indexed: 03/23/2023] Open
Abstract
Cytoskeleton-associated protein 4 (CKAP4) is a non-glycosylated type II transmembrane protein that serves as a cell surface-activated receptor. It is expressed primarily in the plasma membranes of bladder epithelial cells, type II alveolar pneumocytes, and vascular smooth muscle cells. CKAP4 is involved in various biological activities including cell proliferation, cell migration, keratinocyte differentiation, glycogenesis, fibrosis, thymic development, cardiogenesis, neuronal apoptosis, and cancer. CKAP4 has been described as a pro-tumor molecule that regulates the progression of various cancers, including lung cancer, breast cancer, esophageal squamous cell carcinoma, hepatocellular carcinoma, cervical cancer, oral cancer, bladder cancer, cholangiocarcinoma, pancreatic cancer, myeloma, renal cell carcinoma, melanoma, squamous cell carcinoma, colorectal cancer, and osteosarcoma. CKAP4 and its isoform bind to DKK1 or DKK3 (Dickkopf proteins) or antiproliferative factor (APF) and regulates several downstream signaling cascades. The CKAP4 complex plays a crucial role in regulating the signaling pathways including PI3K/AKT and MAPK1/3. Recently, CKAP4 has been recognized as a potential target for cancer therapy. Due to its biomedical importance, we integrated a network map of CKAP4. The available literature on CKAP4 signaling was manually curated according to the NetPath annotation criteria. The consolidated pathway map comprises 41 activation/inhibition events, 21 catalysis events, 35 molecular associations, 134 gene regulation events, 83 types of protein expression, and six protein translocation events. CKAP4 signaling pathway map data is freely accessible through the WikiPathways Database ( https://www.wikipathways.org/index.php/Pathway:WP5322 ). Generation of CKAP4 signaling pathway map.
Collapse
Affiliation(s)
- G. P. Suchitha
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to Be University), Mangalore, Karnataka 575018 India
| | | | - Rajesh Raju
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to Be University), Mangalore, Karnataka 575018 India
- Centre for Integrative Omics Data Science, Yenepoya (Deemed to Be University), Mangalore, Karnataka 575018 India
| | - T. S. Keshava Prasad
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to Be University), Mangalore, Karnataka 575018 India
| | - Shobha Dagamajalu
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to Be University), Mangalore, Karnataka 575018 India
| |
Collapse
|
2
|
Iguchi K, Sada R, Matsumoto S, Kimura H, Zen Y, Akita M, Gon H, Fukumoto T, Kikuchi A. DKK1-CKAP4 signal axis promotes hepatocellular carcinoma aggressiveness. Cancer Sci 2023; 114:2063-2077. [PMID: 36718957 PMCID: PMC10154837 DOI: 10.1111/cas.15743] [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: 11/09/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 02/01/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the most prevalent malignant liver neoplasm. Despite the advances in diagnosis and treatment, the prognosis of HCC patients remains poor. Cytoskeleton-associated membrane protein 4 (CKAP4) is a receptor of the glycosylated secretory protein Dickkopf-1 (DKK1), and the DKK1-CKAP4 axis is activated in pancreatic, lung, and esophageal cancer cells. Expression of DKK1 and CKAP4 has been examined in HCC in independent studies that yielded contradictory results. In this study, the relationship between the DKK1-CKAP4 axis and HCC was comprehensively examined. In 412 HCC cases, patients whose tumors were positive for both DKK1 and CKAP4 had a poor prognosis compared to those who were positive for only one of these markers or negative for both. Deletion of either DKK1 or CKAP4 inhibited HCC cell growth. In contrast to WT DKK1, DKK1 lacking the CKAP4 binding region did not rescue the phenotypes caused by DKK1 depletion, suggesting that binding of DKK1 to CKAP4 is required for HCC cell proliferation. Anti-CKAP4 Ab inhibited HCC growth, and its antitumor effect was clearly enhanced when combined with lenvatinib, a multikinase inhibitor. These results indicate that simultaneous expression of DKK1 and CKAP4 is involved in the aggressiveness of HCC, and that the combination of anti-CKAP4 Ab and other therapeutics including lenvatinib could represent a promising strategy for treating advanced HCC.
Collapse
Grants
- 16H06374 Grants-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan
- 18975691 Grants-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan
- 18K06956 Grants-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan
- 21K07121 Grants-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan
- 20K16330 Grants-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan
- 22K15511 Grants-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan
- Ichiro Kanehara Foundation of the Promotion of Medical Science and Medical Care
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI)
- 18cm0106132h0001 Project for Cancer Research And Therapeutic Evolution (P-CREATE) from the Japan Agency for Medical Research and development, AMED
- 20cm0106152h0002 Project for Cancer Research And Therapeutic Evolution (P-CREATE) from the Japan Agency for Medical Research and development, AMED
- 22am0401003h0004 Science and Technology Platform Program for Advanced Biological Medicine from the Japan Agency for Medical Research and development, AMED
- 22ym0126039h0002 Translational Research Program from the Japan Agency for Medical Research and development, AMED
- Yasuda Memorial Foundation
Collapse
Affiliation(s)
- Kosuke Iguchi
- Department of Molecular Biology and Biochemistry, Graduate School of MedicineOsaka UniversitySuitaJapan
- Department of Surgery, Division of Hepato‐Biliary‐Pancreatic SurgeryKobe University Graduate School of MedicineKobeJapan
| | - Ryota Sada
- Department of Molecular Biology and Biochemistry, Graduate School of MedicineOsaka UniversitySuitaJapan
- Institute for Open and Transdisciplinary Research Initiatives (OTRI)Osaka UniversitySuitaJapan
| | - Shinji Matsumoto
- Department of Molecular Biology and Biochemistry, Graduate School of MedicineOsaka UniversitySuitaJapan
- Institute for Open and Transdisciplinary Research Initiatives (OTRI)Osaka UniversitySuitaJapan
| | - Hirokazu Kimura
- Department of Molecular Biology and Biochemistry, Graduate School of MedicineOsaka UniversitySuitaJapan
- The Sol Goldman Pancreatic Cancer Research Center, Department of PathologyThe Johns Hopkins University School of MedicineBaltimoreMarylandUSA
| | - Yoh Zen
- Division of Diagnostic PathologyKobe University Graduate School of MedicineKobeJapan
| | - Masayuki Akita
- Department of Surgery, Division of Hepato‐Biliary‐Pancreatic SurgeryKobe University Graduate School of MedicineKobeJapan
| | - Hidetoshi Gon
- Department of Surgery, Division of Hepato‐Biliary‐Pancreatic SurgeryKobe University Graduate School of MedicineKobeJapan
| | - Takumi Fukumoto
- Department of Surgery, Division of Hepato‐Biliary‐Pancreatic SurgeryKobe University Graduate School of MedicineKobeJapan
| | - Akira Kikuchi
- Department of Molecular Biology and Biochemistry, Graduate School of MedicineOsaka UniversitySuitaJapan
- Center of Infectious Disease Education and Research (CiDER)Osaka UniversitySuitaJapan
| |
Collapse
|
3
|
Luo M, Chen YJ, Xie Y, Wang QR, Xiang YN, Long NY, Yang WX, Zhao Y, Zhou JJ. Dickkopf-related protein 1/cytoskeleton-associated protein 4 signaling activation by Helicobacter pylori-induced activator protein-1 promotes gastric tumorigenesis via the PI3K/AKT/mTOR pathway. World J Gastroenterol 2022; 28:6769-6787. [PMID: 36620343 PMCID: PMC9813938 DOI: 10.3748/wjg.v28.i47.6769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/05/2022] [Accepted: 11/30/2022] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Gastric cancer (GC) is a common malignant tumor with high incidence and mortality rates globally, especially in East Asian countries. Helicobacter pylori (H. pylori) infection is a significant and independent risk factor for GC. However, its underlying mechanism of action is not fully understood. Dickkopf-related protein (DKK) 1 is a Wnt signaling antagonist, and cytoskeleton-associated protein (CKAP) 4 is a newly identified DKK1 receptor. Recent studies found that the binding of DKK1 to CAKP4 mediated the procancer signaling of DKK1 inde-pendent of Wnt signaling. We hypothesize that H. pylori-induced activation of DKK1/CKAP4 signaling contributes to the initiation and progression of GC.
AIM To investigate the interaction of H. pylori infection, DKK1 and CAKP4 in GC, as well as the underlying molecular mechanisms.
METHODS RNA sequencing was used to identify differentially expressed genes (DEGs) between H. pylori-infected and uninfected primary GC cells. Gain- and loss-of-function experiments were performed to verify the H. pylori-induced upregulation of activator protein-1 (AP-1) in GC cells. A dual-luciferase reporter assay and co-immunoprecipitation were used to determine the binding of AP-1 to the DKK1 promoter and DKK1 to CKAP4. Western blotting and immunohistochemistry detected the expression of DKK1, CKAP4, and phos-phatidylinositol 3-kinase (PI3K) pathway-related proteins in GC cells and tissues. Functional experiments and tumorigenicity in nude mice detected malignant behavior of GC cells in vitro and in vivo.
RESULTS We identified 32 DEGs between primary GC cells with and without H. pylori infection, including JUN, fos-like antigen-1 (FOSL1), and DKK1, and confirmed that the three proteins and CKAP4 were highly expressed in H. pylori-infected GC cells, H. pylori-infected gerbil gastric tissues, and human GC tissues. JUN and FOSL1 form AP-1 to transcriptionally activate DKK1 expression by binding to the DKK1 promoter. Activated DKK1 bound to CKAP4, but not the most common Wnt coreceptor low-density lipoprotein receptor-related protein 5/6, to promote GC cell growth, colony formation, migration, invasion, and xenograft tumor growth in nude mice. All these effects were driven by activation of the PI3K/AKT/mammalian target of rapamycin (mTOR) pathway. Targeting the PI3K signaling pathway by LY294002 inhibited DKK1-mediated CKAP4/PI3K signaling activity and the malignant behavior of GC cells.
CONCLUSION H. pylori induces JUN and FOSL1 expression to form AP-1, which transcriptionally activates DKK1. Binding of DKK1 to KAKP4 contributes to gastric tumorigenesis via the PI3K/AKT/mTOR pathway.
Collapse
Affiliation(s)
- Mei Luo
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Yuan-Jia Chen
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Yuan Xie
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Qin-Rong Wang
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Yi-Ning Xiang
- Department of Pathology of Affiliated Hospital, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Ni-Ya Long
- Department of Neurology of Affiliated Hospital, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Wen-Xiu Yang
- Department of Pathology of Affiliated Hospital, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Yan Zhao
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Jian-Jiang Zhou
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| |
Collapse
|
4
|
Shi Y, Jin X, Yang M, Jia J, Yao H, Yuan W, Wang K, Rong S. CKAP4 contributes to the progression of vascular calcification (VC) in chronic kidney disease (CKD) by modulating YAP phosphorylation and MMP2 expression. Cell Signal 2022; 93:110270. [DOI: 10.1016/j.cellsig.2022.110270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 01/24/2022] [Accepted: 01/26/2022] [Indexed: 11/27/2022]
|
5
|
Li SX, Li J, Dong LW, Guo ZY. Cytoskeleton-Associated Protein 4, a Promising Biomarker for Tumor Diagnosis and Therapy. Front Mol Biosci 2021; 7:552056. [PMID: 33614703 PMCID: PMC7892448 DOI: 10.3389/fmolb.2020.552056] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 12/21/2020] [Indexed: 12/11/2022] Open
Abstract
Cytoskeleton-associated protein 4 (CKAP4) is located in the rough endoplasmic reticulum (ER) and plays an important role in stabilizing the structure of ER. Meanwhile, CKAP4 is also found to act as an activated receptor at the cell surface. The multifunction of CKAP4 was gradually discovered with growing research evidence. In addition to the involvement in various physiological events including cell proliferation, cell migration, and stabilizing the structure of ER, CKAP4 has been implicated in tumorigenesis. However, the role of CKAP4 is still controversial in tumor biology, which may be related to different signal transduction pathways mediated by binding to different ligands in various microenvironments. Interestingly, CKAP4 has been recently recognized as a serological marker of several tumors and CKAP4 is expected to be a tumor therapeutic target. Therefore, deciphering the gene status, expression regulation, functions of CKAP4 in different diseases may shed new light on CKAP4-based cancer diagnosis and therapeutic strategy. This review discusses the publications that describe CKAP4 in various diseases, especially on tumor promotion and suppression, and provides a detailed discussion on the discrepancy.
Collapse
Affiliation(s)
- Shuang-Xi Li
- Department of Nephrology, Changhai Hospital, The Navy Military Medical University, Shanghai, China
| | - Juan Li
- Department of Nephrology, Changhai Hospital, The Navy Military Medical University, Shanghai, China
| | - Li-Wei Dong
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Hospital, The Navy Military Medical University, Shanghai, China.,National Center for Liver Cancer, Shanghai, China
| | - Zhi-Yong Guo
- Department of Nephrology, Changhai Hospital, The Navy Military Medical University, Shanghai, China
| |
Collapse
|
6
|
Quantitative proteomics identifies a plasma multi-protein model for detection of hepatocellular carcinoma. Sci Rep 2020; 10:15552. [PMID: 32968147 PMCID: PMC7511324 DOI: 10.1038/s41598-020-72510-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 08/31/2020] [Indexed: 12/13/2022] Open
Abstract
More efficient biomarkers are needed to facilitate the early detection of hepatocellular carcinoma (HCC). We aimed to identify candidate biomarkers for HCC detection by proteomic analysis. First, we performed a global proteomic analysis of 10 paired HCC and non-tumor tissues. Then, we validated the top-ranked proteins by targeted proteomic analyses in another tissue cohort. At last, we used enzyme-linked immunosorbent assays to validate the candidate biomarkers in multiple serum cohorts including HCC cases (HCCs), cirrhosis cases (LCs), and normal controls (NCs). We identified and validated 33 up-regulated proteins in HCC tissues. Among them, eight secretory or membrane proteins were further evaluated in serum, revealing that aldo-keto reductase family 1 member B10 (AKR1B10) and cathepsin A (CTSA) can distinguish HCCs from LCs and NCs. The area under the curves (AUCs) were 0.891 and 0.894 for AKR1B10 and CTSA, respectively, greater than that of alpha-fetoprotein (AFP; 0.831). Notably, combining the three proteins reached an AUC of 0.969, which outperformed AFP alone (P < 0.05). Furthermore, the serum AKR1B10 levels dramatically decreased after surgery. AKR1B10 and CTSA are potential serum biomarkers for HCC detection. The combination of AKR1B10, CTSA, and AFP may improve the HCC diagnostic efficacy.
Collapse
|
7
|
Yamamoto KA, Blackburn K, Migowski E, Goshe MB, Brown DT, Ferreira DF, Soares MR. Quantitative proteomic analysis of the tizoxanide effect in vero cells. Sci Rep 2020; 10:14733. [PMID: 32895447 PMCID: PMC7477200 DOI: 10.1038/s41598-020-71634-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 07/27/2020] [Indexed: 12/17/2022] Open
Abstract
Nitazoxanide (NTZ) is effective against helminths and numerous microorganisms, including bacteria and viruses. In vivo, NTZ is metabolized into Tizoxanide (TIZ), which is the active circulating metabolite. With the emergence of SARS-Cov-2 as a Pandemic agent, NTZ became one of the molecules already approved for human use to engage clinical trials, due to results in vitro showing that NTZ was highly effective against the SARS-Cov-2, agent of COVID-19. There are currently several ongoing clinical trials mainly in the USA and Brazil involving NTZ due not only to the in vitro results, but also for its long-known safety. Here, we study the response of Vero cells to TIZ treatment and unveil possible mechanisms for its antimicrobial effect, using a label-free proteomic approach (LC/MS/MS) analysis to compare the proteomic profile between untreated- and TIZ-treated cells. Fifteen differentially expressed proteins were observed related to various biological processes, including translation, intracellular trafficking, RNA processing and modification, and signal transduction. The broad antimicrobial range of TIZ points towards its overall effect in lowering cell metabolism and RNA processing and modification. The decreased levels of FASN, HNRNPH and HNRNPK with the treatment appear to be important for antiviral activity.
Collapse
Affiliation(s)
- K A Yamamoto
- Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Caixa Postal 68563, Rio de Janeiro, RJ, 21941-909, Brazil
| | - K Blackburn
- Department of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC, USA
| | - E Migowski
- Institute of Pediatrics and Puericulture Martagão Gesteira, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - M B Goshe
- Department of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC, USA
| | - D T Brown
- Department of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC, USA
| | - D F Ferreira
- Department of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC, USA.,Department of Virology, Paulo de Góes Microbiology Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - M R Soares
- Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Caixa Postal 68563, Rio de Janeiro, RJ, 21941-909, Brazil.
| |
Collapse
|
8
|
Chen ZY, Wang T, Gan X, Chen SH, He YT, Wang YQ, Zhang KH. Cytoskeleton-associated membrane protein 4 is upregulated in tumor tissues and is associated with clinicopathological characteristics and prognosis in hepatocellular carcinoma. Oncol Lett 2020; 19:3889-3898. [PMID: 32382336 PMCID: PMC7202277 DOI: 10.3892/ol.2020.11499] [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: 08/11/2019] [Accepted: 02/21/2020] [Indexed: 12/24/2022] Open
Abstract
The role of cytoskeleton-associated membrane protein 4 (CKAP4) in hepatocellular carcinoma (HCC) is controversial. The present study aimed to investigate the association between tumor CKAP4 mRNA expression and clinicopathological characteristics and prognosis in patients with HCC. Data relating to CKAP4 mRNA expression in HCC tumor and normal adjacent liver tissues, and clinicopathological characteristics, were downloaded from the Gene Expression Omnibus and The Cancer Genome Atlas databases. The CKAP4 mRNA levels in tumor tissues were compared with those in normal adjacent liver tissues, their association with clinicopathological parameters was analyzed, and diagnostic and prognostic values were evaluated in patients with HCC. In all 4 datasets (total samples, n=693), CKAP4 mRNA levels were significantly higher in tumor tissues compared with adjacent tissues (all P<0.001), with the area under the receiver operating characteristic curve ranging from 0.799-0.898 for HCC diagnosis. In patients with HCC with available clinical data (n=361), the low-level CKAP4 mRNA group exhibited a lower body mass index (P=0.005), higher α-fetoprotein level (P<0.001), more frequent adjacent liver tissue inflammation (P<0.001), poorer tumor histological grade (P<0.001), higher Ishak fibrosis score (P=0.035) and a more advanced tumor node metastasis (TNM) stage (P=0.014) compared with the high-level CKAP4 mRNA group. Patients stratified by all the above parameters, except for TNM stage, exhibited significantly different expression of tissue CKAP4 mRNA (P<0.05-0.001). Furthermore, higher CKAP4 mRNA levels were observed in patients who died within one year following diagnosis compared with those who survived >3 years (P=0.003). The high-level CKAP4 mRNA group also exhibited lower overall survival (OS) and disease-free survival (DFS) rates compared with the low-level group [hazard ratio (HR)=1.494; 95% confidence interval (CI), 1.044-2.138; P=0.028] for OS and (HR=1.616; 95% CI, 1.022-2.555; P=0.040) for DFS. The results of the present study suggest that CKAP4 mRNA is upregulated in HCC tumor tissues compared with normal adjacent tissues, and is associated with poor clinical prognosis, pathological features and survival in patients with HCC. Thus, CKAP4 is a potential biomarker for HCC diagnosis and prognosis.
Collapse
Affiliation(s)
- Zhi-Yong Chen
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Jiangxi Institute of Gastroenterology and Hepatology, Nanchang, Jiangxi 330006, P.R. China
| | - Ting Wang
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Jiangxi Institute of Gastroenterology and Hepatology, Nanchang, Jiangxi 330006, P.R. China
| | - Xia Gan
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Jiangxi Institute of Gastroenterology and Hepatology, Nanchang, Jiangxi 330006, P.R. China.,Department of Gastroenterology, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, P.R. China
| | - Si-Hai Chen
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Jiangxi Institute of Gastroenterology and Hepatology, Nanchang, Jiangxi 330006, P.R. China
| | - Yu-Ting He
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Jiangxi Institute of Gastroenterology and Hepatology, Nanchang, Jiangxi 330006, P.R. China
| | - Yu-Qi Wang
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Jiangxi Institute of Gastroenterology and Hepatology, Nanchang, Jiangxi 330006, P.R. China
| | - Kun-He Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Jiangxi Institute of Gastroenterology and Hepatology, Nanchang, Jiangxi 330006, P.R. China
| |
Collapse
|
9
|
CKAP4 Regulates Cell Migration via the Interaction with and Recycling of Integrin. Mol Cell Biol 2019; 39:MCB.00073-19. [PMID: 31160493 DOI: 10.1128/mcb.00073-19] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 05/28/2019] [Indexed: 02/06/2023] Open
Abstract
Cytoskeleton-associated protein 4 (CKAP4) is an endoplasmic reticulum protein that is also present in the cell surface membrane, where it acts as a receptor for Dickkopf1 (DKK1). In this study, we found that CKAP4 interacts with β1 integrin and controls the recycling of α5β1 integrin independently of DKK1. In S2-CP8 cells, knockdown of CKAP4 but not DKK1 enlarged the size of cell adhesion sites and enhanced cell adhesion to fibronectin, resulting in decreased cell migration. When CKAP4 was depleted, the levels of α5 but not β1 integrin were increased in the cell surface membrane. A similar phenotype was observed in other cells expressing low levels of DKK1. In S2-CP8 cells, α5 integrin was trafficked with β1 integrin and CKAP4 to the lysosome or recycled with β1 integrin. In CKAP4-depleted cells, the internalization of α5β1 integrin was unchanged, but its recycling was upregulated. Knockdown of sorting nexin 17 (SNX17), a mediator of integrin recycling, abrogated the increased α5 integrin levels caused by CKAP4 knockdown. CKAP4 bound to SNX17, and its knockdown enhanced the recruitment of α5β1 integrin to SNX17. These results suggest that CKAP4 suppresses the recycling of α5β1 integrin and coordinates cell adhesion sites and migration independently of DKK1.
Collapse
|
10
|
Wang Y, Yu W, He M, Huang Y, Wang M, Zhu J. Serum cytoskeleton-associated protein 4 as a biomarker for the diagnosis of hepatocellular carcinoma. Onco Targets Ther 2018; 12:359-364. [PMID: 30643433 PMCID: PMC6317466 DOI: 10.2147/ott.s189425] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background Alpha-fetoprotein (AFP) is the most commonly applied biomarker for diagnosis of hepatocellular carcinoma (HCC), but the low sensitivity and specificity limit its clinical application. Cytoskeleton-associated protein 4 (CKAP4) is a novel oncogenic protein involved in the development and progression of HCC. This study aimed to evaluate whether measurement of circulating CKAP4 could improve diagnostic accuracy for HCC. Methods We analyzed data for patients with HCC, chronic hepatitis B infection, and cirrhosis and healthy controls (n=100 in each group), recruited from two centers between July 2013 and December 2015. Circulating levels of CKAP4 were measured with commercial enzyme-linked immunosorbent assay kits. Receiver operating characteristics were used to evaluate diagnostic accuracy. Results Serum concentrations of CKAP4 were significantly elevated in the HCC group, in comparison with the three control groups (all P<0.001). The combined biomarker panel (AFP and CKAP4), created by binary logistic regression, presented better performance (area under the curve [AUC] 0.936, 95% CI [0.908–0.965], sensitivity 0.800, specificity 0.963) than AFP (AUC 0.875 [0.835–0.914], sensitivity 0.930, specificity 0.430, P=0.001) or CKAP4 (AUC 0.821 [0.776–0.866], sensitivity 0.790, specificity 0.670, P<0.001) alone to identify HCC, even though CKAP4 alone was not better than AFP (P=0.093). Furthermore, the combined panel also presented a better performance even in identifying early HCC (AUC 0.922 [0.833–0.961]). Conclusion Serum CKAP4 is a novel biomarker for HCC, and it could complement AFP in improving diagnostic accuracy.
Collapse
Affiliation(s)
- Yu Wang
- Department of General Surgery, Jintan Affiliated Hospital of Jiangsu University, Changzhou, China
| | - Weixin Yu
- Department of General Surgery, Jintan Affiliated Hospital of Jiangsu University, Changzhou, China
| | - Mingqing He
- Department of Geriatrics, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yan Huang
- Department of Infectious Diseases, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Mingyue Wang
- Department of Ultrasonography, The First Affiliated Hospital of Soochow University, Suzhou, China,
| | - Jinzhou Zhu
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, China,
| |
Collapse
|
11
|
Kikuchi A, Fumoto K, Kimura H. The Dickkopf1-cytoskeleton-associated protein 4 axis creates a novel signalling pathway and may represent a molecular target for cancer therapy. Br J Pharmacol 2017; 174:4651-4665. [PMID: 28514532 DOI: 10.1111/bph.13863] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 04/28/2017] [Accepted: 05/04/2017] [Indexed: 12/17/2022] Open
Abstract
Dickkopf 1 (DKK1) is a secreted protein and antagonizes oncogenic Wnt signalling by binding to the Wnt co-receptor, low-density lipoprotein receptor-related protein 6. DKK1 has also been suggested to regulate its own signalling, associated with tumour aggressiveness. However, the underlying mechanism by which DKK1 promotes cancer cell proliferation has remained to be clarified for a long time. The cytoskeleton-associated protein 4 (CKAP4), originally identified as an endoplasmic reticulum membrane protein, was recently found to act as a novel DKK1 receptor. DKK1 stimulates cancer cell proliferation when CKAP4 is expressed on the cell surface membrane. Although there are no tyrosine residues in the intracellular region of CKAP4, CKAP4 forms a complex with PI3K upon the binding of DKK1, leading to the activation of Akt. Both DKK1 and CKAP4 are frequently expressed in pancreatic and lung tumours, and their simultaneous expression is negatively correlated with prognosis. Knockdown of CKAP4 in cancer cells and treatment of mice with the anti-CKAP4 antibody inhibit Akt activity in cancer cells and suppress xenograft tumour formation, suggesting that CKAP4 may represent a therapeutic target for cancers expressing both DKK1 and CKAP4. This review will provide details of the novel DKK1-CKAP4 signalling axis that promotes cancer proliferation and discuss the possibility of targeting this pathway in future cancer drug development. LINKED ARTICLES This article is part of a themed section on WNT Signalling: Mechanisms and Therapeutic Opportunities. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.24/issuetoc.
Collapse
Affiliation(s)
- Akira Kikuchi
- Department of Biochemistry and Molecular Biology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Katsumi Fumoto
- Department of Biochemistry and Molecular Biology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Hirokazu Kimura
- Department of Biochemistry and Molecular Biology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| |
Collapse
|
12
|
Xu J, Zhang X, Wang H, Ge S, Gao T, Song L, Wang X, Li H, Qin Y, Zhang Z. HCRP1 downregulation promotes hepatocellular carcinoma cell migration and invasion through the induction of EGFR activation and epithelial-mesenchymal transition. Biomed Pharmacother 2017; 88:421-429. [DOI: 10.1016/j.biopha.2017.01.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Accepted: 01/02/2017] [Indexed: 02/08/2023] Open
|
13
|
Chen W, Qiu Y. Ginsenoside Rh2 Targets EGFR by Up-Regulation of miR-491 to Enhance Anti-tumor Activity in Hepatitis B Virus-Related Hepatocellular Carcinoma. Cell Biochem Biophys 2017; 72:325-31. [PMID: 25561284 DOI: 10.1007/s12013-014-0456-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Hepatocellular carcinoma (HCC) is one of the most aggressive tumors in humans. The typical therapeutic strategies include a combination of chemotherapy, radiotherapy, and surgery, whereas the survival rate of patients is very poor. Ginsenoside Rh2 has been reported to have therapeutic effects on some tumors, but its effect on HCC has not been extensively evaluated. Here, we show that ginsenoside Rh2 can effectively inhibit the proliferation and cell survival of HCC cells in vitro and in a mouse model. Moreover, the inhibition of the tumor growth appears to result from combined effects on decreased tumor cell proliferation and cell viability. Further analyses suggest that ginsenoside Rh2 may have its anti-tumor effect through inhibition of epidermal growth factor receptor (EGFR) signaling pathway. Recombinant EGFR was given together with ginsenoside Rh2 to the tumor cells, which completely blocked the anti-tumor effect of ginsenoside Rh2. Our data also show that miR-491 is up-regulated in SMMC-7721 cells after Rh2 treatment. There is a negative correlation between EGFR and miR-491 levels in SMMC-7721 cells and miR-491 directly targeted EGFR at translational level. Our data not only reveal an anti-tumor effect of ginsenoside Rh2 but also demonstrate that this effect may function via activation and inhibition of EGFR signaling in HCC cells. The results suggest miR-491 can be a promising regulatory factor in EGFR signal transduction.
Collapse
Affiliation(s)
- Weiwen Chen
- Medical Laboratories, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yurong Qiu
- Medical Laboratories, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
| |
Collapse
|
14
|
Abstract
In 1995, in the Biochemical Society Transactions, Mundy published the first review on CLIMP-63 (cytoskeleton-linking membrane protein 63) or CKPA4 (cytoskeleton-associated protein 4), initially just p63 [1]. Here we review the following 20 years of research on this still mysterious protein. CLIMP-63 is a type II transmembrane protein, the cytosolic domain of which has the capacity to bind microtubules whereas the luminal domain can form homo-oligomeric complexes, not only with neighbouring molecules but also, in trans, with CLIMP-63 molecules on the other side of the endoplasmic reticulum (ER) lumen, thus promoting the formation of ER sheets. CLIMP-63 however also appears to have a life at the cell surface where it acts as a ligand-activated receptor. The still rudimentary information of how CLIMP-63 fulfills these different roles, what these are exactly and how post-translational modifications control them, will be discussed.
Collapse
|
15
|
Wu S, Gui J, Yin X, Pan Q, Liu X, Chu L. Transmembrane domain is crucial to the subcellular localization and function of Myc target 1. J Cell Mol Med 2015; 20:471-81. [PMID: 26710964 PMCID: PMC4759468 DOI: 10.1111/jcmm.12747] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 10/30/2015] [Indexed: 12/20/2022] Open
Abstract
Deregulation of c-MYC occurs in a variety of human cancers. Overexpression of c-MYC promotes cell growth, proliferation, apoptosis, transformation and genomic instability. MYC target 1 (MYCT1) is a direct target gene of c-MYC, and its murine homologue MT-MC1 recapitulated multiple c-Myc-related phenotypes. However, the molecular mechanism of MYCT1 remains unclear. Here, we identified the transmembrane (TM) domain of MYCT1, not the nuclear localization sequence, is indispensable to the vesicle-associated localization of MYCT1 protein in the cytoplasmic membrane vesicle. Overexpression of MYCT1, not MYCT1 (ΔTM), decreased cell viability under serum deprivation and increased tumour cell migration ability. We further identified CKAP4 interacted with MYCT1 and contributed to the function of MYCT1. In addition, we found that a mutation, A88D, which is observed in patient sample, changed the localization, and abolished the effect on cell viability and cell migration, suggesting that the TM domain is critical to MYCT1.
Collapse
Affiliation(s)
- Shuai Wu
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Jinghua Gui
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xiaofei Yin
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Qiang Pan
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xinyuan Liu
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Liang Chu
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| |
Collapse
|