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Li B, He J, Zhang R, Liu S, Zhang X, Li Z, Ma C, Wang W, Cui Y, Zhang Y. Integrin-Linked Kinase in the Development of Gastric Tumors Induced by Helicobacter pylori: Regulation and Prevention Potential. Helicobacter 2024; 29:e13109. [PMID: 38951739 DOI: 10.1111/hel.13109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 06/08/2024] [Accepted: 06/18/2024] [Indexed: 07/03/2024]
Abstract
BACKGROUND Integrin-linked kinase (ILK) is crucial in solid tumors by regulating the Hippo-Yes-associated protein 1 (YAP) pathway. This study aimed to uncover how Helicobacter pylori influences ILK levels and its role in regulating YAP during H. pylori-induced gastric cancer. MATERIALS AND METHODS GES-1 cells with stable Ilk knockdown and overexpression and a mouse carcinogenesis model for H. pylori infection were constructed. And ILK, the phosphorylated mammalian STE20-like protein kinase 1 (MST1), large tumor suppressor 1 (LATS1; S909, T1079), and YAP (S109, S127) were detected in cells, and mice by western blotting, as well as fluorescence intensity of YAP were assayed by immunofluorescence. YAP downstream genes Igfbp4 and Ctgf, the pathological changes and tumor necrosis factor alpha (TNF-α), interleukin-6 (IL-6), interleukin-1beta (IL-1β), and nitric oxide (NO) levels in mice gastric tissues were detected by real-time PCR, H&E, and ELISA assays. RESULTS In this study, stable Ilk knockdown cells exhibited significantly higher phosphorylated levels of MST1, LATS1, and YAP, as well as increased YAP in the nuclei of GES-1 cells. Conversely, cells with Ilk overexpression showed opposite results. H. pylori infection led to decreased ILK levels in gastric epithelial cells but increased ILK levels in gastric cancer cell lines (MGC803, SGC7901) and gastric cancer tissues in mice. Treatment with the ILK inhibitor OST-T315 elevated the phosphorylated MST, LATS1, and YAP levels, and inhibited the mRNA levels of Igfbp4 and Ctgf at 44, 48 week-aged mice. OST-T315 also reduced the release of TNF-α, IL-6, IL-1β, and NO, as well as the progression of gastric cancer caused by H. pylori and N-Nitroso-N-methylurea (NMU) treatment. CONCLUSION Upon initiation of gastric tumorigenesis signals, H. pylori increases ILK levels and suppresses Hippo signaling, thereby promoting YAP activation and gastric cancer progression. ILK can serve as a potential prevention target to impede H. pylori-induced gastric cancer.
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Affiliation(s)
- Boqing Li
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Jing He
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Ruiqing Zhang
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Sisi Liu
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Xiaolin Zhang
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Zhiqin Li
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Chunlei Ma
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Wenke Wang
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Yingzi Cui
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
| | - Ying Zhang
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, China
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Kum Özşengezer S, Altun ZS, Sanlav G, Baran B, Kızmazoğlu D, Aktaş S, Keskinoğlu P, Olgun N. Investigation of YAP-1, OTX-2, and nestin protein expressions in neuroblastoma: a preliminary study. Ann Clin Transl Neurol 2024. [PMID: 38925618 DOI: 10.1002/acn3.52136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 05/29/2024] [Accepted: 06/09/2024] [Indexed: 06/28/2024] Open
Abstract
OBJECTIVES Neuroblastoma is the most common extracranial solid tumor in childhood. YAP (Yes-associated protein) is a highly expressed protein in NB. Nestin is an important marker of neuronal differentiation in NB. Orthodenticle homeobox (OTX) is a transcription factor and is overexpressed in blastoma-derived tumors. The aim of this study was to examine the potential roles of YAP-1, Nestin, and OTX-2 proteins in prognosis and risk stratification in neuroblastoma METHODS: Tumor sections of 56 patients with different NB risk groups were analyzed. YAP-1, Nestin, and OTX-2 protein expression levels were evaluated by immunohistochemical staining in NB patient tissue samples. RESULTS YAP-1, Nestin, and OTX-2 protein expression levels were evaluated together with the clinical findings of NB patients. YAP-1 was expressed in 18% of all tissues, while Nestin was expressed in 20.4%. OTX-2 protein expression was found in 41.1% of the NB patients. YAP-1 was expressed in 26.9% of high-risk and 11.5% of low-risk patients. Nestin was expressed in 24.4% high-risk and 33.3% low-risk patients. OTX-2 was expressed in 68.2% high-risk and 60% low-risk patients.YAP-1 was shown to provide survival advantages among risk groups. INTERPRETATION The findings of this study support that YAP-1 may be a potential prognostic biomarker for staging and risk-group assignment of NB patients. YAP-1 expression in neuroblastoma is associated with significantly poorer survival probabilities and should be considered as a potential therapeutic target. OTX-2 is a promising predictive biomarker candidate, but its mechanisms need further investigation in neuroblastoma, as nestin expression is not significantly linked to patient survival.
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Affiliation(s)
- Selen Kum Özşengezer
- Department of Basic Oncology, Oncology Institute, Dokuz Eylül University, Izmir, Turkey
| | - Zekiye Sultan Altun
- Department of Basic Oncology, Oncology Institute, Dokuz Eylül University, Izmir, Turkey
| | - Gamze Sanlav
- Department of Basic Oncology, Oncology Institute, Dokuz Eylül University, Izmir, Turkey
| | - Burçin Baran
- Department of Basic Oncology, Oncology Institute, Dokuz Eylül University, Izmir, Turkey
| | - Deniz Kızmazoğlu
- Department of Clinical Oncology, Institute of Oncology, Dokuz Eylül University, Izmir, Turkey
- Department of Pediatric Oncology, Institute of Oncology, Dokuz Eylül University, Izmir, Turkey
| | - Safiye Aktaş
- Department of Basic Oncology, Oncology Institute, Dokuz Eylül University, Izmir, Turkey
| | - Pembe Keskinoğlu
- Department of Basic Medical Sciences, Department of Biostatistics and Medical Informatics, Faculty of Medicine, Dokuz Eylül University, Izmir, Turkey
| | - Nur Olgun
- Department of Clinical Oncology, Institute of Oncology, Dokuz Eylül University, Izmir, Turkey
- Department of Pediatric Oncology, Institute of Oncology, Dokuz Eylül University, Izmir, Turkey
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Han T, Chen T, Chen L, Li K, Xiang D, Dou L, Li H, Gu Y. HLF promotes ovarian cancer progression and chemoresistance via regulating Hippo signaling pathway. Cell Death Dis 2023; 14:606. [PMID: 37709768 PMCID: PMC10502110 DOI: 10.1038/s41419-023-06076-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/05/2023] [Accepted: 08/15/2023] [Indexed: 09/16/2023]
Abstract
Hepatic leukemia factor (HLF) is aberrantly expressed in human malignancies. However, the role of HLF in the regulation of ovarian cancer (OC) remains unknown. Herein, we reported that HLF expression was upregulated in OC tissues and ovarian cancer stem cells (CSCs). Functional studies have revealed that HLF regulates OC cell stemness, proliferation, and metastasis. Mechanistically, HLF transcriptionally activated Yes-associated protein 1 (YAP1) expression and subsequently modulated the Hippo signaling pathway. Moreover, we found that miR-520e directly targeted HLF 3'-UTR in OC cells. miR-520e expression was negatively correlated with HLF and YAP1 expression in OC tissues. The combined immunohistochemical (IHC) panels exhibited a better prognostic value for OC patients than any of these components alone. Importantly, the HLF/YAP1 axis determines the response of OC cells to carboplatin treatment and HLF depletion or the YAP1 inhibitor verteporfin abrogated carboplatin resistance. Analysis of patient-derived xenografts (PDXs) further suggested that HLF might predict carboplatin benefits in OC patients. In conclusion, these findings suggest a crucial role of the miR-520e/HLF/YAP1 axis in OC progression and chemoresistance, suggesting potential therapeutic targets for OC.
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Affiliation(s)
- Tao Han
- Department of Oncology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Tingsong Chen
- Department of Cancer Intervention, Seventh People's Hospital of Shanghai University of TCM, Shanghai, 200001, China
| | - Lujun Chen
- Department of Oncology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China
- Postgraduate College, China Medical University, Shenyang, 110001, China
| | - Kerui Li
- Department of Oncology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Daimin Xiang
- Clinical Cancer Institute, Center for Translational Medicine, Naval Military Medical University, Shanghai, 200433, China
- Department of hepatobiliary surgery, East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Lei Dou
- Department of Gynecology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China.
| | - Hengyu Li
- Department of Breast and Thyroid Surgery, Changhai Hospital, Naval Military Medical University, Shanghai, 200433, China.
| | - Yubei Gu
- Department of Gastroenterology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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McDonald PC, Dedhar S. New Perspectives on the Role of Integrin-Linked Kinase (ILK) Signaling in Cancer Metastasis. Cancers (Basel) 2022; 14:cancers14133209. [PMID: 35804980 PMCID: PMC9264971 DOI: 10.3390/cancers14133209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 06/22/2022] [Accepted: 06/27/2022] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Today, the vast majority of deaths from cancer are due to cancer metastasis. Metastasis requires that cancer cells escape from the initial tumor, travel through blood vessels, and form new tumors in distant host tissues. Integrin-linked kinase (ILK) is overexpressed by many types of cancer cells and provides both structural and signaling functions that are important for successful metastasis. Here, we discuss recent findings that show how ILK is involved in promoting physical changes important for cell motility and invasion, and how ILK relays signals to other machinery components during metastasis, including interactions with components of the immune system and communication between cancer cells and normal cells, to affect the process of metastasis. We also discuss the contribution of ILK to therapeutic resistance and examine efforts to target ILK for the treatment of metastatic disease. Abstract Cancer metastasis is a major barrier to the long-term survival of cancer patients. In cancer cells, integrin engagement downstream of cell-extracellular matrix (ECM) interactions results in the recruitment of cytoskeletal and signaling molecules to form multi-protein complexes to promote processes critical for metastasis. One of the major functional components of these complexes is Integrin Linked Kinase (ILK). Here, we discuss recent advances in our understanding of the importance of ILK as a signaling effector in processes linked to tumor progression and metastasis. New mechanistic insights as to the role of ILK in cellular plasticity, epithelial mesenchymal transition (EMT), migration, and invasion, including the impact of ILK on the formation of invadopodia, filopodia-like protrusions (FLPs), and Neutrophil Extracellular Trap (NET)-induced motility are highlighted. Recent findings detailing the contribution of ILK to therapeutic resistance and the importance of ILK as a potentially therapeutically tractable vulnerability in both solid tumors and hematologic malignancies are discussed. Indeed, pharmacologic inhibition of ILK activity using specific small molecule inhibitors is effective in curtailing the contribution of ILK to these processes, potentially offering a novel therapeutic avenue for inhibiting critical steps in the metastatic cascade leading to reduced drug resistance and increased therapeutic efficacy.
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Affiliation(s)
- Paul C. McDonald
- Department of Integrative Oncology, BC Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada;
| | - Shoukat Dedhar
- Department of Integrative Oncology, BC Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada;
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
- Correspondence:
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The Expression and Prognostic Value of ILK and YAP1 in Glioma: Erratum. Appl Immunohistochem Mol Morphol 2022; 30:e32-e39. [PMID: 35385229 DOI: 10.1097/pai.0000000000001027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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