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Lim JE, Bernatchez P, Nabi IR. Scaffolds and the scaffolding domain: an alternative paradigm for caveolin-1 signaling. Biochem Soc Trans 2024; 52:947-959. [PMID: 38526159 PMCID: PMC11088920 DOI: 10.1042/bst20231570] [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: 12/21/2023] [Revised: 03/10/2024] [Accepted: 03/11/2024] [Indexed: 03/26/2024]
Abstract
Caveolin-1 (Cav1) is a 22 kDa intracellular protein that is the main protein constituent of bulb-shaped membrane invaginations known as caveolae. Cav1 can be also found in functional non-caveolar structures at the plasma membrane called scaffolds. Scaffolds were originally described as SDS-resistant oligomers composed of 10-15 Cav1 monomers observable as 8S complexes by sucrose velocity gradient centrifugation. Recently, cryoelectron microscopy (cryoEM) and super-resolution microscopy have shown that 8S complexes are interlocking structures composed of 11 Cav1 monomers each, which further assemble modularly to form higher-order scaffolds and caveolae. In addition, Cav1 can act as a critical signaling regulator capable of direct interactions with multiple client proteins, in particular, the endothelial nitric oxide (NO) synthase (eNOS), a role believed by many to be attributable to the highly conserved and versatile scaffolding domain (CSD). However, as the CSD is a hydrophobic domain located by cryoEM to the periphery of the 8S complex, it is predicted to be enmeshed in membrane lipids. This has led some to challenge its ability to interact directly with client proteins and argue that it impacts signaling only indirectly via local alteration of membrane lipids. Here, based on recent advances in our understanding of higher-order Cav1 structure formation, we discuss how the Cav1 CSD may function through both lipid and protein interaction and propose an alternate view in which structural modifications to Cav1 oligomers may impact exposure of the CSD to cytoplasmic client proteins, such as eNOS.
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Affiliation(s)
- John E. Lim
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia (UBC), 2176 Health Sciences Mall, Room 217, Vancouver, BC V6T 1Z3, Canada
| | - Pascal Bernatchez
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia (UBC), 2176 Health Sciences Mall, Room 217, Vancouver, BC V6T 1Z3, Canada
- Centre for Heart and Lung Innovation, St. Paul's Hospital, Vancouver, Canada
| | - Ivan R. Nabi
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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2
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Bai X, Xiong J, Li L, Yu C, Sun C. Suppression of hypoxia-induced CAV1 autophagic degradation enhances nanoalbumin-paclitaxel transcytosis and improves therapeutic activity in pancreatic cancer. Eur J Pharmacol 2024; 969:176431. [PMID: 38395374 DOI: 10.1016/j.ejphar.2024.176431] [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: 10/29/2023] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024]
Abstract
Nanoalbumin-paclitaxel (nab-paclitaxel) is a standard chemotherapy for pancreatic cancer but has shown limited efficacy. However, the mechanism through which circulating nab-paclitaxel passes through the tumour vascular endothelium has not been determined. In our study, a new nonradioactive and highly sensitive method for analysing nab-paclitaxel transcytosis was established. Based on these methods, we found that hypoxia significantly enhanced the autophagic degradation of CAV1 and therefore attenuated caveolae-mediated nab-paclitaxel transcytosis across endothelial cells (ECs). In a proof-of-concept experiment, higher levels of CAV1, accompanied by lower levels of LC3B, were observed in the vascular endothelium of pancreatic cancer tissues collected from patients who showed a good response to nab-paclitaxel compared with those from patients who showed a poor response to nab-paclitaxel. Furthermore, both in vivo and in vitro studies confirmed that suppressing the autophagic degradation of CAV1 via EC-specific ATG5 knockdown or hydroxychloroquine sulfate (HCQ) treatment significantly enhanced nab-paclitaxel translocation across the endothelial barrier into pancreatic cancer cells and amplified the inhibitory effect of nab-paclitaxel on pancreatic tumour growth. The stimulation of CAV1 expression by EC-specific overexpression of exogenous CAV1 or administration of gemcitabine hydrochloride (GE) had the same effect. These results demonstrated that suppressing CAV1 autophagic degradation is a novel translatable strategy for enhancing nab-paclitaxel chemotherapeutic activity in the treatment of pancreatic cancer.
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Affiliation(s)
- Xiangli Bai
- School of Basic Medicine, Guizhou Medical University, 5500025, Guiyang, Guizhou, China; Department of Hepatic-Biliary-Pancreatic Surgery, The Affiliated Hospital of Guizhou Medical University, 550004, Guiyang, Guizhou, China; Department of Laboratory Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430077, Wuhan, Hubei, China
| | - Jia Xiong
- Department of Cardiovascular Surgery, Jinan University 2nd Clinical Medicine College People's Hospital of Shenzhen, 518020, Shenzhen, Guangdong, China
| | - Lin Li
- School of Basic Medicine, Guizhou Medical University, 5500025, Guiyang, Guizhou, China; Department of Hepatic-Biliary-Pancreatic Surgery, The Affiliated Hospital of Guizhou Medical University, 550004, Guiyang, Guizhou, China
| | - Chao Yu
- Department of Hepatic-Biliary-Pancreatic Surgery, The Affiliated Hospital of Guizhou Medical University, 550004, Guiyang, Guizhou, China
| | - Chengyi Sun
- School of Basic Medicine, Guizhou Medical University, 5500025, Guiyang, Guizhou, China; Department of Hepatic-Biliary-Pancreatic Surgery, The Affiliated Hospital of Guizhou Medical University, 550004, Guiyang, Guizhou, China.
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3
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Codenotti S, Sandrini L, Mandracchia D, Lorenzi L, Corsetti G, Poli M, Asperti M, Salvi V, Bosisio D, Monti E, Mitola S, Triggiani L, Guescini M, Pozzo E, Sampaolesi M, Gastaldello S, Cassandri M, Marampon F, Fanzani A. Statin-Sensitive Akt1/Src/Caveolin-1 Signaling Enhances Oxidative Stress Resistance in Rhabdomyosarcoma. Cancers (Basel) 2024; 16:853. [PMID: 38473215 PMCID: PMC11154391 DOI: 10.3390/cancers16050853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/07/2024] [Accepted: 02/14/2024] [Indexed: 03/14/2024] Open
Abstract
Identifying the molecular mechanisms underlying radioresistance is a priority for the treatment of RMS, a myogenic tumor accounting for approximately 50% of all pediatric soft tissue sarcomas. We found that irradiation (IR) transiently increased phosphorylation of Akt1, Src, and Cav1 in human RD and RH30 lines. Synthetic inhibition of Akt1 and Src phosphorylation increased ROS levels in all RMS lines, promoting cellular radiosensitization. Accordingly, the elevated activation of the Akt1/Src/Cav1 pathway, as detected in two RD lines characterized by overexpression of a myristoylated Akt1 form (myrAkt1) or Cav1 (RDCav1), was correlated with reduced levels of ROS, higher expression of catalase, and increased radioresistance. We found that treatment with cholesterol-lowering drugs such as lovastatin and simvastatin promoted cell apoptosis in all RMS lines by reducing Akt1 and Cav1 levels and increasing intracellular ROS levels. Combining statins with IR significantly increased DNA damage and cell apoptosis as assessed by γ histone 2AX (γH2AX) staining and FACS analysis. Furthermore, in combination with the chemotherapeutic agent actinomycin D, statins were effective in reducing cell survival through increased apoptosis. Taken together, our findings suggest that the molecularly linked signature formed by Akt1, Src, Cav1, and catalase may represent a prognostic determinant for identifying subgroups of RMS patients with higher probability of recurrence after radiotherapy. Furthermore, statin-induced oxidative stress could represent a treatment option to improve the success of radiotherapy.
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Affiliation(s)
- Silvia Codenotti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Leonardo Sandrini
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Delia Mandracchia
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Luisa Lorenzi
- Department of Molecular and Translational Medicine, University of Brescia, and ASST Spedali Civili di Brescia, 25123 Brescia, Italy;
| | - Giovanni Corsetti
- Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy;
| | - Maura Poli
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Michela Asperti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Valentina Salvi
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Daniela Bosisio
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Eugenio Monti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Stefania Mitola
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
| | - Luca Triggiani
- Department of Radiation Oncology, ASST Spedali Civili di Brescia, University of Brescia, 25123 Brescia, Italy;
| | - Michele Guescini
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy;
| | - Enrico Pozzo
- Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium; (E.P.); (M.S.)
| | - Maurilio Sampaolesi
- Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium; (E.P.); (M.S.)
| | - Stefano Gastaldello
- Department of Physiology and Pharmacology, Karolinska Institutet, 17177 Stockholm, Sweden;
| | - Matteo Cassandri
- Department of Radiological Sciences, Oncology and Anatomic Pathology, “Sapienza” University of Rome, 00161 Rome, Italy; (M.C.); (F.M.)
| | - Francesco Marampon
- Department of Radiological Sciences, Oncology and Anatomic Pathology, “Sapienza” University of Rome, 00161 Rome, Italy; (M.C.); (F.M.)
| | - Alessandro Fanzani
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.S.); (D.M.); (M.P.); (M.A.); (V.S.); (D.B.); (E.M.); (S.M.)
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Timmins LR, Ortiz-Silva M, Joshi B, Li YL, Dickson FH, Wong TH, Vandevoorde KR, Nabi IR. Caveolin-1 promotes mitochondrial health and limits mitochondrial ROS through ROCK/AMPK regulation of basal mitophagic flux. FASEB J 2024; 38:e23343. [PMID: 38071602 DOI: 10.1096/fj.202201872rr] [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: 11/14/2022] [Revised: 11/09/2023] [Accepted: 11/17/2023] [Indexed: 12/18/2023]
Abstract
Caveolin-1 (CAV1), the main structural component of caveolae, is phosphorylated at tyrosine-14 (pCAV1), regulates signal transduction, mechanotransduction, and mitochondrial function, and plays contrasting roles in cancer progression. We report that CRISPR/Cas9 knockout (KO) of CAV1 increases mitochondrial oxidative phosphorylation, increases mitochondrial potential, and reduces ROS in MDA-MB-231 triple-negative breast cancer cells. Supporting a role for pCAV1, these effects are reversed upon expression of CAV1 phosphomimetic CAV1 Y14D but not non-phosphorylatable CAV1 Y14F. pCAV1 is a known effector of Rho-associated kinase (ROCK) signaling and ROCK1/2 signaling mediates CAV1 promotion of increased mitochondrial potential and decreased ROS production in MDA-MB-231 cells. CAV1/ROCK control of mitochondrial potential and ROS is caveolae-independent as similar results were observed in PC3 prostate cancer cells lacking caveolae. Increased mitochondrial health and reduced ROS in CAV1 KO MDA-MB-231 cells were reversed by knockdown of the autophagy protein ATG5, mitophagy regulator PINK1 or the mitochondrial fission protein Drp1 and therefore due to mitophagy. Use of the mitoKeima mitophagy probe confirmed that CAV1 signaling through ROCK inhibited basal mitophagic flux. Activation of AMPK, a major mitochondrial homeostasis protein inhibited by ROCK, is inhibited by CAV1-ROCK signaling and mediates the increased mitochondrial potential, decreased ROS, and decreased basal mitophagy flux observed in wild-type MDA-MB-231 cells. CAV1 regulation of mitochondrial health and ROS in cancer cells therefore occurs via ROCK-dependent inhibition of AMPK. This study therefore links pCAV1 signaling activity at the plasma membrane with its regulation of mitochondrial activity and cancer cell metabolism through control of mitophagy.
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Affiliation(s)
- Logan R Timmins
- Department of Cellular & Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Milene Ortiz-Silva
- Department of Cellular & Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Bharat Joshi
- Department of Cellular & Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Y Lydia Li
- Department of Cellular & Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Fiona H Dickson
- Department of Cellular & Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Timothy H Wong
- Department of Cellular & Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Kurt R Vandevoorde
- Department of Cellular & Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Ivan R Nabi
- Department of Cellular & Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, British Columbia, Canada
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5
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Xu H, Tan M, Hou GQ, Sang YZ, Lin L, Gan XC, Cao X, Liu AD. Blockade of DDR1/PYK2/ERK signaling suggesting SH2 superbinder as a novel autophagy inhibitor for pancreatic cancer. Cell Death Dis 2023; 14:811. [PMID: 38071340 PMCID: PMC10710504 DOI: 10.1038/s41419-023-06344-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 11/12/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023]
Abstract
Pancreatic cancer is highly lethal, of which 90% is pancreatic ductal adenocarcinoma (PDAC), with a 5-year survival rate of less than 12%, lacking effective treatment options and late diagnosis. Furthermore, the tumors show an intense resistance to cytotoxic chemotherapies. As autophagy is elevated in PDAC, targeting the autophagic pathway is regarded as a promising strategy for cancer treatment. Immunofluorescence and transmission electron microscopy were utilized to assess the autophagic flux. Label-free quantitative phosphoproteomics was used to figure out critically altered tyrosine phosphorylation of the proteins. Tumor-bearing mice were used to validate that SH2 TrM-(Arg)9 restrained the growth of tumor cells. SH2 TrM-(Arg)9 inhibited collagen-induced autophagy via blocking the DDR1/PYK2/ERK signaling cascades. SH2 TrM-(Arg)9 improved the sensitivity of PANC-1/GEM cells to gemcitabine (GEM). Inhibition of autophagy by SH2 TrM-(Arg)9 may synergized with chemotherapy and robusted tumor suppression in pancreatic cancer xenografts. SH2 TrM-(Arg)9 could enter into PDAC cells and blockade autophagy through inhibiting DDR1/PYK2/ERK signaling and may be a new treatment strategy for targeted therapy of PDAC.
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Affiliation(s)
- Hui Xu
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 430030, Wuhan, Hubei, China
- School of Medicine, Taizhou University, 318000, Taizhou, Zhejiang, China
| | - Ming Tan
- School of Medicine, Taizhou University, 318000, Taizhou, Zhejiang, China
| | - Guo-Qing Hou
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 430030, Wuhan, Hubei, China
| | - Ya-Zhou Sang
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 430030, Wuhan, Hubei, China
| | - Li Lin
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 430030, Wuhan, Hubei, China
| | - Xiao-Cai Gan
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 430030, Wuhan, Hubei, China
| | - Xuan Cao
- School of Medicine, Taizhou University, 318000, Taizhou, Zhejiang, China.
- Wenling First People's Hospital (The Affiliated Wenling Hospital of Taizhou University), School of Medicine, Taizhou University, 318000, Taizhou, Zhejiang, China.
| | - An-Dong Liu
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, 430030, Wuhan, Hubei, China.
- National Demonstration Center for Experimental Basic Medical Education, Huazhong University of Science and Technology, 430030, Wuhan, Hubei, China.
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6
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Bian Q, Li B, Zhang L, Sun Y, Zhao Z, Ding Y, Yu H. Molecular pathogenesis, mechanism and therapy of Cav1 in prostate cancer. Discov Oncol 2023; 14:196. [PMID: 37910338 PMCID: PMC10620365 DOI: 10.1007/s12672-023-00813-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/25/2023] [Indexed: 11/03/2023] Open
Abstract
Prostate cancer is the second incidence of malignant tumors in men worldwide. Its incidence and mortality are increasing year by year. Enhanced expression of Cav1 in prostate cancer has been linked to both proliferation and metastasis of cancer cells, influencing disease progression. Dysregulation of the Cav1 gene shows a notable association with prostate cancer. Nevertheless, there is no systematic review to report about molecular signal mechanism of Cav1 and drug treatment in prostate cancer. This article reviews the structure, physiological and pathological functions of Cav1, the pathogenic signaling pathways involved in prostate cancer, and the current drug treatment of prostate cancer. Cav1 mainly affects the occurrence of prostate cancer through AKT/mTOR, H-RAS/PLCε, CD147/MMPs and other pathways, as well as substance metabolism including lipid metabolism and aerobic glycolysis. Baicalein, simvastatin, triptolide and other drugs can effectively inhibit the growth of prostate cancer. As a biomarker of prostate cancer, Cav1 may provide a potential therapeutic target for the treatment of prostate cancer.
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Affiliation(s)
- Qiang Bian
- Department of Pathophysiology, Weifang Medicine University, Weifang, 261053, Shandong, People's Republic of China
- Department of Biochemistry, Jining Medical University, Jining, 272067, Shandong, People's Republic of China
- The Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, People's Republic of China
| | - Bei Li
- Department of Radiological Image, Zhengzhou University People's Hospital, Zhengzhou, 450003, Henan, People's Republic of China
| | - Luting Zhang
- Department of Biochemistry, Jining Medical University, Jining, 272067, Shandong, People's Republic of China
| | - Yinuo Sun
- Department of Biochemistry, Jining Medical University, Jining, 272067, Shandong, People's Republic of China
| | - Zhankui Zhao
- The Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, People's Republic of China
| | - Yi Ding
- Department of Pathophysiology, Weifang Medicine University, Weifang, 261053, Shandong, People's Republic of China.
| | - Honglian Yu
- Department of Biochemistry, Jining Medical University, Jining, 272067, Shandong, People's Republic of China.
- The Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272100, Shandong, People's Republic of China.
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7
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Wang J, Wang F, Wang N, Zhang MY, Wang HY, Huang GL. Diagnostic and Prognostic Value of Protein Post-translational Modifications in Hepatocellular Carcinoma. J Clin Transl Hepatol 2023; 11:1192-1200. [PMID: 37577238 PMCID: PMC10412711 DOI: 10.14218/jcth.2022.00006s] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 02/03/2023] [Accepted: 02/21/2023] [Indexed: 07/03/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a common malignant tumor with high incidence and cancer mortality worldwide. Post-translational modifications (PTMs) of proteins have a great impact on protein function. Almost all proteins can undergo PTMs, including phosphorylation, acetylation, methylation, glycosylation, ubiquitination, and so on. Many studies have shown that PTMs are related to the occurrence and development of cancers. The findings provide novel therapeutic targets for cancers, such as glypican-3 and mucin-1. Other clinical implications are also found in the studies of PTMs. Diagnostic or prognostic value, and response to therapy have been identified. In HCC, it has been shown that glycosylated alpha-fetoprotein (AFP) has a higher detection rate for early liver cancer than conventional AFP. In this review, we mainly focused on the diagnostic and prognostic value of PTM, in order to provide new insights into the clinical implication of PTM in HCC.
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Affiliation(s)
- Jing Wang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
- China-America Cancer Research Institute, Key Laboratory for Epigenetics of Dongguan City, Guangdong Medical University, Dongguan, Guangdong, China
| | - Fangfang Wang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
- China-America Cancer Research Institute, Key Laboratory for Epigenetics of Dongguan City, Guangdong Medical University, Dongguan, Guangdong, China
| | - Ning Wang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
- China-America Cancer Research Institute, Key Laboratory for Epigenetics of Dongguan City, Guangdong Medical University, Dongguan, Guangdong, China
| | - Mei-Yin Zhang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - Hui-Yun Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China
| | - Guo-Liang Huang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, Guangdong, China
- China-America Cancer Research Institute, Key Laboratory for Epigenetics of Dongguan City, Guangdong Medical University, Dongguan, Guangdong, China
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8
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Shu Y, Jin S. Caveolin-1 in endothelial cells: A potential therapeutic target for atherosclerosis. Heliyon 2023; 9:e18653. [PMID: 37554846 PMCID: PMC10405014 DOI: 10.1016/j.heliyon.2023.e18653] [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: 05/05/2023] [Revised: 07/17/2023] [Accepted: 07/24/2023] [Indexed: 08/10/2023] Open
Abstract
Atherosclerosis (AS) is a chronic vascular disease characterized by lipid accumulation and the activation of the inflammatory response; it remains the leading nation-wide cause of death. Early in the progression of AS, stimulation by pro-inflammatory agonists (TNF-α, LPS, and others), oxidized lipoproteins (ox-LDL), and biomechanical stimuli (low shear stress) lead to endothelial cell activation and dysfunction. Consequently, it is crucial to investigate how endothelial cells respond to different stressors and ways to alter endothelial cell activation in AS development, as they are the earliest cells to respond. Caveolin-1 (Cav1) is a 21-24-kDa membrane protein located in caveolae and highly expressed in endothelial cells, which plays a vital role in regulating lipid transport, inflammatory responses, and various cellular signaling pathways and has atherogenic effects. This review summarizes recent studies on the structure and physiological functions of Cav1 and outlines the potential mechanisms it mediates in AS development. Included are the roles of Cav1 in the regulation of endothelial cell autophagy, response to shear stress, modulation of the eNOS/NO axis, and transduction of inflammatory signaling pathways. This review provides a rationale for proposing Cav1 as a novel target for the prevention of AS, as well as new ideas for therapeutic strategies for early AS.
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Affiliation(s)
- Yan Shu
- Department of Endocrinology, Institute of Geriatric Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, 39 Lake Road, East Lake Ecological Scenic, Wuhan, 430077, China
| | - Si Jin
- Department of Endocrinology, Institute of Geriatric Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, 39 Lake Road, East Lake Ecological Scenic, Wuhan, 430077, China
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9
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Navarro-Pérez M, Estadella I, Benavente-Garcia A, Orellana-Fernández R, Petit A, Ferreres JC, Felipe A. The Phosphorylation of Kv1.3: A Modulatory Mechanism for a Multifunctional Ion Channel. Cancers (Basel) 2023; 15:2716. [PMID: 37345053 DOI: 10.3390/cancers15102716] [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: 04/19/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 06/23/2023] Open
Abstract
The voltage-gated potassium channel Kv1.3 plays a pivotal role in a myriad of biological processes, including cell proliferation, differentiation, and apoptosis. Kv1.3 undergoes fine-tuned regulation, and its altered expression or function correlates with tumorigenesis and cancer progression. Moreover, posttranslational modifications (PTMs), such as phosphorylation, have evolved as rapid switch-like moieties that tightly modulate channel activity. In addition, kinases are promising targets in anticancer therapies. The diverse serine/threonine and tyrosine kinases function on Kv1.3 and the effects of its phosphorylation vary depending on multiple factors. For instance, Kv1.3 regulatory subunits (KCNE4 and Kvβ) can be phosphorylated, increasing the complexity of channel modulation. Scaffold proteins allow the Kv1.3 channelosome and kinase to form protein complexes, thereby favoring the attachment of phosphate groups. This review compiles the network triggers and signaling pathways that culminate in Kv1.3 phosphorylation. Alterations to Kv1.3 expression and its phosphorylation are detailed, emphasizing the importance of this channel as an anticancer target. Overall, further research on Kv1.3 kinase-dependent effects should be addressed to develop effective antineoplastic drugs while minimizing side effects. This promising field encourages basic cancer research while inspiring new therapy development.
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Affiliation(s)
- María Navarro-Pérez
- Molecular Physiology Laboratory, Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Avda. Diagonal 643, 08028 Barcelona, Spain
| | - Irene Estadella
- Molecular Physiology Laboratory, Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Avda. Diagonal 643, 08028 Barcelona, Spain
| | - Anna Benavente-Garcia
- Molecular Physiology Laboratory, Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Avda. Diagonal 643, 08028 Barcelona, Spain
| | | | - Anna Petit
- Departament de Patologia, Hospital Universitari de Bellvitge, IDIBELL, L'Hospitalet del Llobregat, 08908 Barcelona, Spain
| | - Joan Carles Ferreres
- Servei d'Anatomia Patològica, Parc Taulí Hospital Universitari, Institut d'Investigació i Innovació Parc Taulí (I3PT-CERCA), 08208 Sabadell, Spain
- Departament de Ciències Morfològiques, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Antonio Felipe
- Molecular Physiology Laboratory, Departament de Bioquímica i Biomedicina Molecular, Institut de Biomedicina (IBUB), Universitat de Barcelona, Avda. Diagonal 643, 08028 Barcelona, Spain
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10
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Zhang H, Hu Z, Wang J, Xu J, Wang X, Zang G, Qiu J, Wang G. Shear stress regulation of nanoparticle uptake in vascular endothelial cells. Regen Biomater 2023; 10:rbad047. [PMID: 37351014 PMCID: PMC10281962 DOI: 10.1093/rb/rbad047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/15/2023] [Accepted: 04/23/2023] [Indexed: 06/24/2023] Open
Abstract
Nanoparticles (NPs) hold tremendous targeting potential in cardiovascular disease and regenerative medicine, and exciting clinical applications are coming into light. Vascular endothelial cells (ECs) exposure to different magnitudes and patterns of shear stress (SS) generated by blood flow could engulf NPs in the blood. However, an unclear understanding of the role of SS on NP uptake is hindering the progress in improving the targeting of NP therapies. Here, the temporal and spatial distribution of SS in vascular ECs and the effect of different SS on NP uptake in ECs are highlighted. The mechanism of SS affecting NP uptake through regulating the cellular ROS level, endothelial glycocalyx and membrane fluidity is summarized, and the molecules containing clathrin and caveolin in the engulfment process are elucidated. SS targeting NPs are expected to overcome the current bottlenecks and change the field of targeting nanomedicine. This assessment on how SS affects the cell uptake of NPs and the marginalization of NPs in blood vessels could guide future research in cell biology and vascular targeting drugs.
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Affiliation(s)
- Hongping Zhang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Ziqiu Hu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Jinxuan Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Jianxiong Xu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Xiangxiu Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Guangchao Zang
- Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Juhui Qiu
- Correspondence address: E-mail: (G.W.); (J.Q.)
| | - Guixue Wang
- Correspondence address: E-mail: (G.W.); (J.Q.)
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11
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Sotodosos-Alonso L, Pulgarín-Alfaro M, Del Pozo MA. Caveolae Mechanotransduction at the Interface between Cytoskeleton and Extracellular Matrix. Cells 2023; 12:cells12060942. [PMID: 36980283 PMCID: PMC10047380 DOI: 10.3390/cells12060942] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 03/30/2023] Open
Abstract
The plasma membrane (PM) is subjected to multiple mechanical forces, and it must adapt and respond to them. PM invaginations named caveolae, with a specific protein and lipid composition, play a crucial role in this mechanosensing and mechanotransduction process. They respond to PM tension changes by flattening, contributing to the buffering of high-range increases in mechanical tension, while novel structures termed dolines, sharing Caveolin1 as the main component, gradually respond to low and medium forces. Caveolae are associated with different types of cytoskeletal filaments, which regulate membrane tension and also initiate multiple mechanotransduction pathways. Caveolar components sense the mechanical properties of the substrate and orchestrate responses that modify the extracellular matrix (ECM) according to these stimuli. They perform this function through both physical remodeling of ECM, where the actin cytoskeleton is a central player, and via the chemical alteration of the ECM composition by exosome deposition. Here, we review mechanotransduction regulation mediated by caveolae and caveolar components, focusing on how mechanical cues are transmitted through the cellular cytoskeleton and how caveolae respond and remodel the ECM.
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Affiliation(s)
- Laura Sotodosos-Alonso
- Mechanoadaptation and Caveolae Biology Laboratory, Novel Mechanisms of Atherosclerosis Program, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Marta Pulgarín-Alfaro
- Mechanoadaptation and Caveolae Biology Laboratory, Novel Mechanisms of Atherosclerosis Program, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
| | - Miguel A Del Pozo
- Mechanoadaptation and Caveolae Biology Laboratory, Novel Mechanisms of Atherosclerosis Program, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
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12
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Zhang R, Wang H, Xiao J, Lu J, Li M, Zhou Y, Sun H, Liu L, Huang T, Zhao Q. CAV1 Impacts the Tumor Immune Microenvironment and Has Potential Value of Predicting Response to Immunotherapy in Esophageal Cancer. DNA Cell Biol 2023; 42:27-42. [PMID: 36638349 DOI: 10.1089/dna.2022.0025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Caveolin-1 (CAV1) is one of the members of the caveolae, and the role of CAV1 in esophageal cancer (ESCA) is not completely clear. In this study, we found that expression of CAV1 was downregulated in ESCA in The Cancer Genome Atlas and the Genotype-Tissue Expression (GTEx) database and we also use immunohistochemistry of tissue microarray for verification. Then, we used bioinformatics methods to investigate the prognostic value of CAV1, influence on immune cell infiltration in tumor microenvironment (TME) and responding to immunotherapy in ESCA. Our result indicated that CAV1 designs an inflamed TME in ESCA based on the evidence that CAV1 positively correlated with immunomodulators, immune score, stomal score, cancer immunity cycles, tumor-infiltrating immune cells, T cell inflamed score, and immune checkpoints. Immunophenoscore, Tumor Immune Dysfunction and Exclusion algorithms, and the mutation analysis show that the downregulated CAV1 expression indicated higher tumor mutation burden and higher rate of response to immune checkpoint inhibitors (ICIs) in the low-expression group. In a word, our study demonstrated the impact of CAV1 to the TME in ESCA and it may be a new target for ESCA immunotherapy. In addition, the expression of CAV1 can predict the clinical response to ICIs, which may provide clinical treatment guidance.
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Affiliation(s)
- Runan Zhang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Haizhou Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Jun Xiao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | - Jie Lu
- Hubei Aerospace Hospital, Xiaogan, Hubei, China
| | - Menglin Li
- Hubei Aerospace Hospital, Xiaogan, Hubei, China
| | - You Zhou
- Hubei Aerospace Hospital, Xiaogan, Hubei, China
| | - He Sun
- Hubei Aerospace Hospital, Xiaogan, Hubei, China
| | - Lan Liu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
| | | | - Qiu Zhao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Clinical Center and Key Lab of Intestinal and Colorectal Diseases, Wuhan, China
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13
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Vladimirov VI, Shchannikova MP, Baldin AV, Kazakov AS, Shevelyova MP, Nazipova AA, Baksheeva VE, Nemashkalova EL, Frolova AS, Tikhomirova NK, Philippov PP, Zamyatnin AA, Permyakov SE, Zinchenko DV, Zernii EY. Redox Regulation of Signaling Complex between Caveolin-1 and Neuronal Calcium Sensor Recoverin. Biomolecules 2022; 12:1698. [PMID: 36421712 PMCID: PMC9687869 DOI: 10.3390/biom12111698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/11/2022] [Accepted: 11/13/2022] [Indexed: 09/29/2023] Open
Abstract
Caveolin-1 is a cholesterol-binding scaffold protein, which is localized in detergent-resistant membrane (DRM) rafts and interacts with components of signal transduction systems, including visual cascade. Among these components are neuronal calcium sensors (NCSs), some of which are redox-sensitive proteins that respond to calcium signals by modulating the activity of multiple intracellular targets. Here, we report that the formation of the caveolin-1 complex with recoverin, a photoreceptor NCS serving as the membrane-binding regulator of rhodopsin kinase (GRK1), is a redox-dependent process. Biochemical and biophysical in vitro experiments revealed a two-fold decreased affinity of recoverin to caveolin-1 mutant Y14E mimicking its oxidative stress-induced phosphorylation of the scaffold protein. At the same time, wild-type caveolin-1 demonstrated a 5-10-fold increased affinity to disulfide dimer of recoverin (dRec) or its thiol oxidation mimicking the C39D mutant. The formation of dRec in vitro was not affected by caveolin-1 but was significantly potentiated by zinc, the well-known mediator of redox homeostasis. In the MDCK cell model, oxidative stress indeed triggered Y14 phosphorylation of caveolin-1 and disulfide dimerization of recoverin. Notably, oxidative conditions promoted the accumulation of phosphorylated caveolin-1 in the plasma membrane and the recruitment of recoverin to the same sites. Co-localization of these proteins was preserved upon depletion of intracellular calcium, i.e., under conditions reducing membrane affinity of recoverin but favoring its interaction with caveolin-1. Taken together, these data suggest redox regulation of the signaling complex between recoverin and caveolin-1. During oxidative stress, the high-affinity interaction of thiol-oxidized recoverin with caveolin-1/DRMs may disturb the light-induced translocation of the former within photoreceptors and affect rhodopsin desensitization.
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Affiliation(s)
- Vasiliy I. Vladimirov
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia
| | - Margarita P. Shchannikova
- Branch of Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Alexey V. Baldin
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
| | - Alexey S. Kazakov
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Pushchino 142290, Russia
| | - Marina P. Shevelyova
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Pushchino 142290, Russia
| | - Aliya A. Nazipova
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Pushchino 142290, Russia
| | - Viktoriia E. Baksheeva
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
| | - Ekaterina L. Nemashkalova
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Pushchino 142290, Russia
| | - Anastasia S. Frolova
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Natalia K. Tikhomirova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
| | - Pavel P. Philippov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
| | - Andrey A. Zamyatnin
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Moscow 119991, Russia
- Scientific Center for Translation Medicine, Sirius University of Science and Technology, Sochi 354340, Russia
| | - Sergei E. Permyakov
- Institute for Biological Instrumentation, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Pushchino 142290, Russia
| | - Dmitry V. Zinchenko
- Branch of Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Evgeni Yu. Zernii
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia
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14
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Sha YL, Liu Y, Yang JX, Wang YY, Gong BC, Jin Y, Qu TY, Xia FT, Han L, Zhao Q. B3GALT4 remodels the tumor microenvironment through GD2-mediated lipid raft formation and the c-met/AKT/mTOR/IRF-1 axis in neuroblastoma. J Exp Clin Cancer Res 2022; 41:314. [PMID: 36284313 PMCID: PMC9594894 DOI: 10.1186/s13046-022-02523-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023] Open
Abstract
BACKGROUND Beta-1,3-galactosyltransferase-4 (B3GALT4) plays a critical regulatory role in tumor biology. However, the role of B3GALT4 in modulating the tumor microenvironment (TME) of neuroblastoma (NB) remains unknown. METHODS Public datasets and clinical NB samples were collected to evaluate the expression and clinical significance of GD2 and B3GALT4 in NB patients. CCK-8, colony formation, and transwell assays and experiments in tumor-bearing mouse models were conducted to investigate the function of B3GALT4. Flow cytometry, ELISA, immunohistochemistry, immunofluorescence, western blotting, and chemotaxis assays were conducted to ascertain the immunomodulatory mechanism of B3GALT4. The combined therapeutic effect of the lipid raft inhibitor MβCD and anti-GD2 mAb was validated in a murine model of NB. RESULTS GD2 was overexpressed in NB tissues and high expression of GD2 was associated with poor prognosis in NB patients. B3GALT4 was downregulated in NB tissues, and low expression of B3GALT4 indicated poor prognosis in NB patients. Silencing B3GALT4 significantly enhanced tumor progression both in vitro and in vivo. Meanwhile, the overexpression of B3GALT4 increased the recruitment of CD8+ T lymphocytes via the chemokines CXCL9 and CXCL10. Additionally, B3GALT4 regulated NB-cell GD2 expression and lipid raft formation. Mechanistically, B3GALT4 regulated the expression of CXCL9 and CXCL10 via the c-Met signaling in the lipid rafts and the downstream AKT/mTOR/IRF-1 pathway. The lipid raft inhibitor, MβCD, attenuated B3GALT4 deficiency-induced tumor progression and immune evasion. Last, MβCD combined with anti-GD2 mAb treatment significantly enhanced the antitumor effect and the infiltration of CD8+ T cells. CONCLUSIONS Upregulation of B3GALT4 promotes the secretion of CXCL9 and CXCL10 to recruit CD8+ T lymphocytes via the GD2-mediated lipid rafts and the c-Met/AKT/mTOR/IRF-1 pathway. Moreover, lipid raft inhibitors may enhance the efficacy of anti-GD2 immunotherapy for NB.
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Affiliation(s)
- Yong-Liang Sha
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Yun Liu
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Jia-Xing Yang
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Yang-Yang Wang
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Bao-Cheng Gong
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Yan Jin
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Tong-Yuan Qu
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Fan-Tong Xia
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Lei Han
- Cancer Molecular Diagnostics Core, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China.
| | - Qiang Zhao
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China.
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15
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Jiang Y, Senyuk V, Ma K, Chen H, Qin X, Li S, Liu Y, Gentile S, Minshall RD. Pharmacological Activation of Potassium Channel Kv11.1 with NS1643 Attenuates Triple Negative Breast Cancer Cell Migration by Promoting the Dephosphorylation of Caveolin-1. Cells 2022; 11:2461. [PMID: 35954304 PMCID: PMC9368491 DOI: 10.3390/cells11152461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/05/2022] [Accepted: 08/06/2022] [Indexed: 11/17/2022] Open
Abstract
The prevention of metastasis is a central goal of cancer therapy. Caveolin-1 (Cav-1) is a structural membrane and scaffolding protein shown to be a key regulator of late-stage breast cancer metastasis. However, therapeutic strategies targeting Cav-1 are still lacking. Here, we demonstrate that the pharmacological activation of potassium channel Kv11.1, which is uniquely expressed in MDA-MB-231 triple negative breast cancer cells (TNBCs) but not in normal MCF-10A cells, induces the dephosphorylation of Cav-1 Tyr-14 by promoting the Ca2+-dependent stimulation of protein tyrosine phosphatase 1B (PTP1B). Consequently, the dephosphorylation of Cav-1 resulted in its disassociation from β-catenin, which enabled the accumulation of β-catenin at cell borders, where it facilitated the formation of cell-cell adhesion complexes via interactions with R-cadherin and desmosomal proteins. Kv11.1 activation-dependent Cav-1 dephosphorylation induced with NS1643 also reduced cell migration and invasion, consistent with its ability to regulate focal adhesion dynamics. Thus, this study sheds light on a novel pharmacological mechanism of promoting Cav-1 dephosphorylation, which may prove to be effective at reducing metastasis and promoting contact inhibition.
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Affiliation(s)
- Ying Jiang
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 610054, China
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL 60612, USA
- Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Vitalyi Senyuk
- Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Ke Ma
- Research Resources Center, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Hui Chen
- Research Resources Center, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Xiang Qin
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Shun Li
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Yiyao Liu
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Saverio Gentile
- Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- UI Cancer Center, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Richard D. Minshall
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL 60612, USA
- UI Cancer Center, University of Illinois at Chicago, Chicago, IL 60612, USA
- Department of Anesthesiology, University of Illinois at Chicago, Chicago, IL 60612, USA
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16
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Díaz-Valdivia N, Simón L, Díaz J, Martinez-Meza S, Contreras P, Burgos-Ravanal R, Pérez VI, Frei B, Leyton L, Quest AFG. Mitochondrial Dysfunction and the Glycolytic Switch Induced by Caveolin-1 Phosphorylation Promote Cancer Cell Migration, Invasion, and Metastasis. Cancers (Basel) 2022; 14:cancers14122862. [PMID: 35740528 PMCID: PMC9221213 DOI: 10.3390/cancers14122862] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/06/2022] [Accepted: 05/09/2022] [Indexed: 11/21/2022] Open
Abstract
Simple Summary Caveolin-1 (CAV1) is a membrane protein that has been attributed a dual role in cancer, acting at early stages as a tumor suppressor and in later stages of the disease as a promoter of metastasis. In the latter case, enhanced expression of CAV1 favors the malignant phenotype and correlates with a poorer prognosis of the patients. Bearing in mind that the reprogramming of energy metabolism is required in cancer cells to meet both the bioenergetic and biosynthetic needs to sustain increased proliferation, migration, and invasion, we evaluated the metabolism of metastatic cells expressing or not CAV1. In this study, we show that the expression of CAV1 promotes in cancer cells a metabolic switch to an aerobic, glycolytic phenotype by blocking mitochondrial respiration. Abstract Cancer cells often display impaired mitochondrial function, reduced oxidative phosphorylation, and augmented aerobic glycolysis (Warburg effect) to fulfill their bioenergetic and biosynthetic needs. Caveolin-1 (CAV1) is a scaffolding protein that promotes cancer cell migration, invasion, and metastasis in a manner dependent on CAV1 phosphorylation on tyrosine-14 (pY14). Here, we show that CAV1 expression increased glycolysis rates, while mitochondrial respiration was reduced by inhibition of the mitochondrial complex IV. These effects correlated with increased reactive oxygen species (ROS) levels that favored CAV1-induced migration and invasion. Interestingly, pY14-CAV1 promoted the metabolic switch associated with increased migration/invasion and augmented ROS-inhibited PTP1B, a phosphatase that controls pY14 levels. Finally, the glycolysis inhibitor 2-deoxy-D-glucose reduced CAV1-enhanced migration in vitro and metastasis in vivo of murine melanoma cells. In conclusion, CAV1 promotes the Warburg effect and ROS production, which inhibits PTP1B to augment CAV1 phosphorylation on tyrosine-14, thereby increasing the metastatic potential of cancer cells.
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Affiliation(s)
- Natalia Díaz-Valdivia
- Cellular Communication Laboratory, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Program of Cell and Molecular Biology, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile; (N.D.-V.); (L.S.); (J.D.); (S.M.-M.); (P.C.); (R.B.-R.)
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile
| | - Layla Simón
- Cellular Communication Laboratory, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Program of Cell and Molecular Biology, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile; (N.D.-V.); (L.S.); (J.D.); (S.M.-M.); (P.C.); (R.B.-R.)
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile
| | - Jorge Díaz
- Cellular Communication Laboratory, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Program of Cell and Molecular Biology, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile; (N.D.-V.); (L.S.); (J.D.); (S.M.-M.); (P.C.); (R.B.-R.)
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile
| | - Samuel Martinez-Meza
- Cellular Communication Laboratory, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Program of Cell and Molecular Biology, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile; (N.D.-V.); (L.S.); (J.D.); (S.M.-M.); (P.C.); (R.B.-R.)
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile
| | - Pamela Contreras
- Cellular Communication Laboratory, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Program of Cell and Molecular Biology, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile; (N.D.-V.); (L.S.); (J.D.); (S.M.-M.); (P.C.); (R.B.-R.)
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile
| | - Renato Burgos-Ravanal
- Cellular Communication Laboratory, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Program of Cell and Molecular Biology, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile; (N.D.-V.); (L.S.); (J.D.); (S.M.-M.); (P.C.); (R.B.-R.)
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile
| | - Viviana I. Pérez
- Linus Pauling Institute, Department of Biochemistry and Biophysics, Oregon State University, Corvallis, OR 97331, USA; (V.I.P.); (B.F.)
| | - Balz Frei
- Linus Pauling Institute, Department of Biochemistry and Biophysics, Oregon State University, Corvallis, OR 97331, USA; (V.I.P.); (B.F.)
| | - Lisette Leyton
- Cellular Communication Laboratory, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Program of Cell and Molecular Biology, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile; (N.D.-V.); (L.S.); (J.D.); (S.M.-M.); (P.C.); (R.B.-R.)
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile
- Correspondence: (L.L.); (A.F.G.Q.)
| | - Andrew F. G. Quest
- Cellular Communication Laboratory, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Program of Cell and Molecular Biology, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile; (N.D.-V.); (L.S.); (J.D.); (S.M.-M.); (P.C.); (R.B.-R.)
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Universidad de Chile, Santiago 8380000, Chile
- Correspondence: (L.L.); (A.F.G.Q.)
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17
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Jiang Y, Krantz S, Qin X, Li S, Gunasekara H, Kim YM, Zimnicka A, Bae M, Ma K, Toth PT, Hu Y, Shajahan-Haq AN, Patel HH, Gentile S, Bonini MG, Rehman J, Liu Y, Minshall RD. Caveolin-1 controls mitochondrial damage and ROS production by regulating fission - fusion dynamics and mitophagy. Redox Biol 2022; 52:102304. [PMID: 35413643 PMCID: PMC9018165 DOI: 10.1016/j.redox.2022.102304] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 03/23/2022] [Indexed: 12/22/2022] Open
Abstract
As essential regulators of mitochondrial quality control, mitochondrial dynamics and mitophagy play key roles in maintenance of metabolic health and cellular homeostasis. Here we show that knockdown of the membrane-inserted scaffolding and structural protein caveolin-1 (Cav-1) and expression of tyrosine 14 phospho-defective Cav-1 mutant (Y14F), as opposed to phospho-mimicking Y14D, altered mitochondrial morphology, and increased mitochondrial matrix mixing, mitochondrial fusion and fission dynamics as well as mitophagy in MDA-MB-231 triple negative breast cancer cells. Further, we found that interaction of Cav-1 with mitochondrial fusion/fission machinery Mitofusin 2 (Mfn2) and Dynamin related protein 1 (Drp1) was enhanced by Y14D mutant indicating Cav-1 Y14 phosphorylation prevented Mfn2 and Drp1 translocation to mitochondria. Moreover, limiting mitochondrial recruitment of Mfn2 diminished formation of the PINK1/Mfn2/Parkin complex required for initiation of mitophagy resulting in accumulation of damaged mitochondria and ROS (mtROS). Thus, these studies indicate that phospho-Cav-1 may be an important switch mechanism in cancer cell survival which could lead to novel strategies for complementing cancer therapies.
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Affiliation(s)
- Ying Jiang
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; Center for Informational Biology, University of Electronic Science and Technology of China, 610054, China
| | - Sarah Krantz
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Xiang Qin
- Center for Informational Biology, University of Electronic Science and Technology of China, 610054, China
| | - Shun Li
- Center for Informational Biology, University of Electronic Science and Technology of China, 610054, China
| | | | - Young-Mee Kim
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Adriana Zimnicka
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Misuk Bae
- Anesthesiology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Ke Ma
- Research Resources Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Peter T Toth
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; Research Resources Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Ying Hu
- Chemistry, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Ayesha N Shajahan-Haq
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, 20057, USA
| | - Hemal H Patel
- VA San Diego Health System and Department of Anesthesiology, University of California at San Diego, San Diego, CA, 92161, USA
| | - Saverio Gentile
- Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA; University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Marcelo G Bonini
- Department of Medicine, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, 60614, USA
| | - Jalees Rehman
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA; University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Yiyao Liu
- Center for Informational Biology, University of Electronic Science and Technology of China, 610054, China
| | - Richard D Minshall
- Departments of Pharmacology, University of Illinois at Chicago, Chicago, IL, 60612, USA; Anesthesiology, University of Illinois at Chicago, Chicago, IL, 60612, USA; University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL, 60612, USA.
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18
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Wang B, Yan Y, Ding CF. Metal-organic framework-based sample preparation in proteomics. J Chromatogr A 2022; 1671:462971. [DOI: 10.1016/j.chroma.2022.462971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 03/12/2022] [Indexed: 01/05/2023]
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19
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Wittka A, Ketteler J, Borgards L, Maier P, Herskind C, Jendrossek V, Klein D. Stromal Fibroblasts Counteract the Caveolin-1-Dependent Radiation Response of LNCaP Prostate Carcinoma Cells. Front Oncol 2022; 12:802482. [PMID: 35155239 PMCID: PMC8826751 DOI: 10.3389/fonc.2022.802482] [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: 10/26/2021] [Accepted: 01/03/2022] [Indexed: 12/05/2022] Open
Abstract
In prostate cancer (PCa), a characteristic stromal–epithelial redistribution of the membrane protein caveolin 1 (CAV1) occurs upon tumor progression, where a gain of CAV1 in the malignant epithelial cells is accompanied by a loss of CAV1 in the tumor stroma, both facts that were correlated with higher Gleason scores, poor prognosis, and pronounced resistance to therapy particularly to radiotherapy (RT). However, it needs to be clarified whether inhibiting the CAV1 gain in the malignant prostate epithelium or limiting the loss of stromal CAV1 would be the better choice for improving PCa therapy, particularly for improving the response to RT; or whether ideally both processes need to be targeted. Concerning the first assumption, we investigated the RT response of LNCaP PCa cells following overexpression of different CAV1 mutants. While CAV1 overexpression generally caused an increased epithelial-to-mesenchymal phenotype in respective LNCaP cells, effects that were accompanied by increasing levels of the 5′-AMP-activated protein kinase (AMPK), a master regulator of cellular homeostasis, only wildtype CAV1 was able to increase the three-dimensional growth of LNCaP spheroids, particularly following RT. Both effects could be limited by an additional treatment with the SRC inhibitor dasatinib, finally resulting in radiosensitization. Using co-cultured (CAV1-expressing) fibroblasts as an approximation to the in vivo situation of early PCa it could be revealed that RT itself caused an activated, more tumor-promoting phenotype of stromal fibroblats with an increased an increased metabolic potential, that could not be limited by combined dasatinib treatment. Thus, targeting fibroblasts and/or limiting fibroblast activation, potentially by limiting the loss of stromal CAV1 seems to be absolute for inhibiting the resistance-promoting CAV1-dependent signals of the tumor stroma.
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Affiliation(s)
- Alina Wittka
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Medical Faculty Essen, Essen, Germany
| | - Julia Ketteler
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Medical Faculty Essen, Essen, Germany
| | - Lars Borgards
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Medical Faculty Essen, Essen, Germany
| | - Patrick Maier
- Department of Radiation Oncology, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Carsten Herskind
- Department of Radiation Oncology, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Verena Jendrossek
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Medical Faculty Essen, Essen, Germany
| | - Diana Klein
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Medical Faculty Essen, Essen, Germany
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20
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Luo S, Yang M, Zhao H, Han Y, Jiang N, Yang J, Chen W, Li C, Liu Y, Zhao C, Sun L. Caveolin-1 Regulates Cellular Metabolism: A Potential Therapeutic Target in Kidney Disease. Front Pharmacol 2021; 12:768100. [PMID: 34955837 PMCID: PMC8703113 DOI: 10.3389/fphar.2021.768100] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/08/2021] [Indexed: 01/09/2023] Open
Abstract
The kidney is an energy-consuming organ, and cellular metabolism plays an indispensable role in kidney-related diseases. Caveolin-1 (Cav-1), a multifunctional membrane protein, is the main component of caveolae on the plasma membrane. Caveolae are represented by tiny invaginations that are abundant on the plasma membrane and that serve as a platform to regulate cellular endocytosis, stress responses, and signal transduction. However, caveolae have received increasing attention as a metabolic platform that mediates the endocytosis of albumin, cholesterol, and glucose, participates in cellular metabolic reprogramming and is involved in the progression of kidney disease. It is worth noting that caveolae mainly depend on Cav-1 to perform the abovementioned cellular functions. Furthermore, the mechanism by which Cav-1 regulates cellular metabolism and participates in the pathophysiology of kidney diseases has not been completely elucidated. In this review, we introduce the structure and function of Cav-1 and its functions in regulating cellular metabolism, autophagy, and oxidative stress, focusing on the relationship between Cav-1 in cellular metabolism and kidney disease; in addition, Cav-1 that serves as a potential therapeutic target for treatment of kidney disease is also described.
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Affiliation(s)
- Shilu Luo
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Ming Yang
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Hao Zhao
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Yachun Han
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Na Jiang
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Jinfei Yang
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Wei Chen
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Chenrui Li
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Yan Liu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Chanyue Zhao
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
| | - Lin Sun
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, China
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21
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Wang P, Zhao Y, Wang J, Wu Z, Sui B, Mao X, Shi S, Kou X. Dephosphorylation of Caveolin-1 Controls C-X-C Motif Chemokine Ligand 10 Secretion in Mesenchymal Stem Cells to Regulate the Process of Wound Healing. Front Cell Dev Biol 2021; 9:725630. [PMID: 34790658 PMCID: PMC8592036 DOI: 10.3389/fcell.2021.725630] [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: 06/15/2021] [Accepted: 10/11/2021] [Indexed: 12/24/2022] Open
Abstract
Mesenchymal stem cells (MSCs) secrete cytokines in a paracrine or autocrine manner to regulate immune response and tissue regeneration. Our previous research revealed that MSCs use the complex of Fas/Fas-associated phosphatase-1 (Fap-1)/caveolin-1 (Cav-1) mediated exocytotic process to regulate cytokine and small extracellular vesicles (EVs) secretion, which contributes to accelerated wound healing. However, the detailed underlying mechanism of cytokine secretion controlled by Cav-1 remains to be explored. We show that Gingiva-derived MSCs (GMSCs) could secrete more C-X-C motif chemokine ligand 10 (CXCL10) but showed lower phospho-Cav-1 (p-Cav-1) expression than skin-derived MSCs (SMSCs). Moreover, dephosphorylation of Cav-1 by a Src kinase inhibitor PP2 significantly enhances CXCL10 secretion, while activating phosphorylation of Cav-1 by H2O2 restraints CXCL10 secretion in GMSCs. We also found that Fas and Fap-1 contribute to the dephosphorylation of Cav-1 to elevate CXCL10 secretion. Tumor necrosis factor-α serves as an activator to up-regulate Fas, Fap-1, and down-regulate p-Cav-1 expression to promote CXCL10 release. Furthermore, local applying p-Cav-1 inhibitor PP2 could accelerate wound healing, reduce the expression of α-smooth muscle actin and increase cleaved-caspase 3 expression. These results indicated that dephosphorylation of Cav-1 could inhibit fibrosis during wound healing. The present study establishes a previously unknown role of p-Cav-1 in controlling cytokine release of MSC and may present a potential therapeutic approach for promoting scarless wound healing.
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Affiliation(s)
- Panpan Wang
- South China Center of Craniofacial Stem Cell Research, Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Yingji Zhao
- South China Center of Craniofacial Stem Cell Research, Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Juan Wang
- South China Center of Craniofacial Stem Cell Research, Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Zhiying Wu
- Department of Microbiology, Zhongshan School of Medicine, Key Laboratory for Tropical Diseases Control of the Ministry of Education, Sun Yat-sen University, Guangzhou, China
| | - Bingdong Sui
- South China Center of Craniofacial Stem Cell Research, Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China.,Department of Microbiology, Zhongshan School of Medicine, Key Laboratory for Tropical Diseases Control of the Ministry of Education, Sun Yat-sen University, Guangzhou, China
| | - Xueli Mao
- South China Center of Craniofacial Stem Cell Research, Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China.,Key Laboratory for Stem Cells and Tissue Engineering, Sun Yat-sen University, Ministry of Education, Guangzhou, China
| | - Songtao Shi
- South China Center of Craniofacial Stem Cell Research, Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China.,Key Laboratory for Stem Cells and Tissue Engineering, Sun Yat-sen University, Ministry of Education, Guangzhou, China
| | - Xiaoxing Kou
- South China Center of Craniofacial Stem Cell Research, Hospital of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China.,Key Laboratory for Stem Cells and Tissue Engineering, Sun Yat-sen University, Ministry of Education, Guangzhou, China
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22
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Lai X, Guo Y, Chen M, Wei Y, Yi W, Shi Y, Xiong L. Caveolin1: its roles in normal and cancer stem cells. J Cancer Res Clin Oncol 2021; 147:3459-3475. [PMID: 34498146 DOI: 10.1007/s00432-021-03793-2] [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: 03/11/2021] [Accepted: 09/03/2021] [Indexed: 12/09/2022]
Abstract
PURPOSE Stem cells are characterized by the capability of self-renewal and multi-differentiation. Normal stem cells, which are important for tissue repair and tissue regeneration, can be divided into embryonic stem cells (ESCs) and somatic stem cells (SSCs) depending on their origin. As a subpopulation of cells within cancer, cancer stem cells (CSCs) are at the root of therapeutic resistance. Tumor-initiating cells (TICs) are necessary for tumor initiation. Caveolin1 (Cav1), a membrane protein located at the caveolae, participates in cell lipid transport, cell migration, cell proliferation, and cell signal transduction. The purpose of this review was to explore the relationship between Cav1 and stem cells. RESULTS In ESCs, Cav1 is beneficial for self-renewal, proliferation, and migration. In SSCs, Cav1 exhibits positive or/and negative effects on stem cell self-renewal, differentiation, proliferation, migration, and angiogenic capacity. Cav1 deficiency impairs normal stem cell-based tissue repair. In CSCs, Cav1 inhibits or/and promotes CSC self-renewal, differentiation, invasion, migration, tumorigenicity ability, and CSC formation. And suppressing Cav1 promotes chemo-sensitivity in CSCs and TICs. CONCLUSION Cav1 shows dual roles in stem cell biology. Targeting the Cav1-stem cell axis would be a new way for tissue repair and cancer drug resistance.
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Affiliation(s)
- Xingning Lai
- Department of Pathophysiology, Medical College, Nanchang University, 461 Bayi Road, Nanchang, China.,Second Clinical Medical College, Nanchang University, Nanchang, 330006, China
| | - Yiling Guo
- Department of Pathophysiology, Medical College, Nanchang University, 461 Bayi Road, Nanchang, China.,Second Clinical Medical College, Nanchang University, Nanchang, 330006, China
| | - Miaomiao Chen
- Department of Pathophysiology, Medical College, Nanchang University, 461 Bayi Road, Nanchang, China.,First Clinical Medical College, Nanchang University, Nanchang, 330006, China
| | - Yuxuan Wei
- Department of Pathophysiology, Medical College, Nanchang University, 461 Bayi Road, Nanchang, China.,Queen Mary School, Jiangxi Medical College of Nanchang University, Nanchang, 330006, China
| | - Wanting Yi
- Department of Pathophysiology, Medical College, Nanchang University, 461 Bayi Road, Nanchang, China.,First Clinical Medical College, Nanchang University, Nanchang, 330006, China
| | - Yubo Shi
- Department of Pathophysiology, Medical College, Nanchang University, 461 Bayi Road, Nanchang, China.,Queen Mary School, Jiangxi Medical College of Nanchang University, Nanchang, 330006, China
| | - Lixia Xiong
- Department of Pathophysiology, Medical College, Nanchang University, 461 Bayi Road, Nanchang, China. .,Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang, 330006, China.
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23
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Shi X, Wen Z, Wang Y, Liu YJ, Shi K, Jiu Y. Feedback-Driven Mechanisms Between Phosphorylated Caveolin-1 and Contractile Actin Assemblies Instruct Persistent Cell Migration. Front Cell Dev Biol 2021; 9:665919. [PMID: 33928090 PMCID: PMC8076160 DOI: 10.3389/fcell.2021.665919] [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: 02/09/2021] [Accepted: 03/22/2021] [Indexed: 12/23/2022] Open
Abstract
The actin cytoskeleton and membrane-associated caveolae contribute to active processes, such as cell morphogenesis and motility. How these two systems interact and control directional cell migration is an outstanding question but remains understudied. Here we identified a negative feedback between contractile actin assemblies and phosphorylated caveolin-1 (CAV-1) in migrating cells. Cytoplasmic CAV-1 vesicles display actin-associated motilities by sliding along actin filaments or/and coupling to do retrograde flow with actomyosin bundles. Inhibition of contractile stress fibers, but not Arp2/3-dependent branched actin filaments, diminished the phosphorylation of CAV-1 on site Tyr14, and resulted in substantially increased size and decreased motility of cytoplasmic CAV-1 vesicles. Reciprocally, both the CAV-1 phospho-deficient mutation on site Tyr14 and CAV-1 knockout resulted in dramatic AMPK phosphorylation, further causing reduced active level of RhoA-myosin II and increased active level of Rac1-PAK1-Cofilin, consequently led to disordered contractile stress fibers and prominent lamellipodia. As a result, cells displayed depolarized morphology and compromised directional migration. Collectively, we propose a model in which feedback-driven regulation between actin and CAV-1 instructs persistent cell migration.
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Affiliation(s)
- Xuemeng Shi
- The Joint Program in Infection and Immunity, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.,The Joint Program in Infection and Immunity, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Zeyu Wen
- Key Laboratory of Molecular Virology and Immunology, The Center for Microbes, Development and Health, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yajun Wang
- Shanghai Institute of Cardiovascular Diseases, and Institutes of Biomedical Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yan-Jun Liu
- Shanghai Institute of Cardiovascular Diseases, and Institutes of Biomedical Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Kun Shi
- The Joint Program in Infection and Immunity, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.,The Joint Program in Infection and Immunity, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Yaming Jiu
- The Joint Program in Infection and Immunity, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.,The Joint Program in Infection and Immunity, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China.,Key Laboratory of Molecular Virology and Immunology, The Center for Microbes, Development and Health, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Beijing, China
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24
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Wong TH, Khater IM, Joshi B, Shahsavari M, Hamarneh G, Nabi IR. Single molecule network analysis identifies structural changes to caveolae and scaffolds due to mutation of the caveolin-1 scaffolding domain. Sci Rep 2021; 11:7810. [PMID: 33833286 PMCID: PMC8032680 DOI: 10.1038/s41598-021-86770-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 03/15/2021] [Indexed: 11/22/2022] Open
Abstract
Caveolin-1 (CAV1), the caveolae coat protein, also associates with non-caveolar scaffold domains. Single molecule localization microscopy (SMLM) network analysis distinguishes caveolae and three scaffold domains, hemispherical S2 scaffolds and smaller S1B and S1A scaffolds. The caveolin scaffolding domain (CSD) is a highly conserved hydrophobic region that mediates interaction of CAV1 with multiple effector molecules. F92A/V94A mutation disrupts CSD function, however the structural impact of CSD mutation on caveolae or scaffolds remains unknown. Here, SMLM network analysis quantitatively shows that expression of the CAV1 CSD F92A/V94A mutant in CRISPR/Cas CAV1 knockout MDA-MB-231 breast cancer cells reduces the size and volume and enhances the elongation of caveolae and scaffold domains, with more pronounced effects on S2 and S1B scaffolds. Convex hull analysis of the outer surface of the CAV1 point clouds confirms the size reduction of CSD mutant CAV1 blobs and shows that CSD mutation reduces volume variation amongst S2 and S1B CAV1 blobs at increasing shrink values, that may reflect retraction of the CAV1 N-terminus towards the membrane, potentially preventing accessibility of the CSD. Detection of point mutation-induced changes to CAV1 domains highlights the utility of SMLM network analysis for mesoscale structural analysis of oligomers in their native environment.
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Affiliation(s)
- Timothy H Wong
- Life Sciences Institute, Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada
| | - Ismail M Khater
- School of Computing Science, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada
| | - Bharat Joshi
- Life Sciences Institute, Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada
| | - Mona Shahsavari
- School of Computing Science, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada
| | - Ghassan Hamarneh
- School of Computing Science, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada.
| | - Ivan R Nabi
- Life Sciences Institute, Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada. .,School of Biomedical Engineering, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada.
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25
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Kaya S, Wiesmann N, Goldschmitt J, Krüger M, Al-Nawas B, Heider J. Differences in the expression of caveolin-1 isoforms in cancer-associated and normal fibroblasts of patients with oral squamous cell carcinoma. Clin Oral Investig 2021; 25:5823-5831. [PMID: 33774714 PMCID: PMC8443514 DOI: 10.1007/s00784-021-03887-8] [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: 11/18/2020] [Accepted: 03/12/2021] [Indexed: 12/24/2022]
Abstract
OBJECTIVES For many years, tumor development has been viewed as a cell-autonomous process; however, today we know that the tumor microenvironment (TME) and especially cancer-associated fibroblasts (CAFs) significantly contribute to tumor progression. Caveolin-1 (Cav-1) is a scaffolding protein which is involved in several cancer-associated processes as important component of the caveolae. Our goal was to shed light on the expression of the two different isoforms of Cav-1 in normal fibroblasts (NFs) and CAFs of patients with oral squamous cell carcinoma (OSCC). MATERIALS AND METHODS Fibroblasts from normal mucosa and CAFs were isolated and propagated in vitro. Gene expression of the different Cav-1 isoforms was assessed via quantitative real-time PCR (qPCR) and supplemented by protein expression analysis. RESULTS We could show that the Cav-1β isoform is more highly expressed in NFs and CAFs compared to Cav-1α. Furthermore, the different Cav-1 isoforms tended to be differently expressed in different tumor stages. However, this trend could not be seen consistently, which is in line with the ambiguous role of Cav-1 in tumor progression described in literature. Western blotting furthermore revealed that NFs and CAFs might differ in the oligomerization profile of the Cav-1 protein. CONCLUSION These differences in expression of Cav-1 between NFs and CAFs of patients with OSCC confirm that the protein might play a role in tumor progression and is of interest for further analyses. CLINICAL RELEVANCE Our findings support a possible role of the two isoforms of Cav-1 in the malignant transformation of OSCC.
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Affiliation(s)
- S Kaya
- Department of Oral and Maxillofacial Surgery Plastic Surgery, University Medical Center of the Johannes Gutenberg-University of Mainz, Augustusplatz 2, 55131, Mainz, Germany
| | - Nadine Wiesmann
- Department of Oral and Maxillofacial Surgery Plastic Surgery, University Medical Center of the Johannes Gutenberg-University of Mainz, Augustusplatz 2, 55131, Mainz, Germany. .,Molecular Tumor Biology, Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131, Mainz, Germany.
| | - J Goldschmitt
- Department of Oral and Maxillofacial Surgery Plastic Surgery, University Medical Center of the Johannes Gutenberg-University of Mainz, Augustusplatz 2, 55131, Mainz, Germany
| | - M Krüger
- Department of Oral and Maxillofacial Surgery Plastic Surgery, University Medical Center of the Johannes Gutenberg-University of Mainz, Augustusplatz 2, 55131, Mainz, Germany
| | - B Al-Nawas
- Department of Oral and Maxillofacial Surgery Plastic Surgery, University Medical Center of the Johannes Gutenberg-University of Mainz, Augustusplatz 2, 55131, Mainz, Germany
| | - J Heider
- Department of Oral and Maxillofacial Surgery Plastic Surgery, University Medical Center of the Johannes Gutenberg-University of Mainz, Augustusplatz 2, 55131, Mainz, Germany
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26
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Codenotti S, Marampon F, Triggiani L, Bonù ML, Magrini SM, Ceccaroli P, Guescini M, Gastaldello S, Tombolini V, Poliani PL, Asperti M, Poli M, Monti E, Fanzani A. Caveolin-1 promotes radioresistance in rhabdomyosarcoma through increased oxidative stress protection and DNA repair. Cancer Lett 2021; 505:1-12. [PMID: 33610729 DOI: 10.1016/j.canlet.2021.02.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 10/22/2022]
Abstract
The aim of this work was to investigate whether Caveolin-1 (Cav-1), a membrane scaffolding protein widely implicated in cancer, may play a role in radiation response in rhabdomyosarcoma (RMS), a pediatric soft tissue tumor. For this purpose, we employed human RD cells in which Cav-1 expression was stably increased via gene transfection. After radiation treatment, we observed that Cav-1 limited cell cycle arrest in the G2/M phase and enhanced resistance to cell senescence and apoptosis via reduction of p21Cip1/Waf1, p16INK4a and Caspase-3 cleavage. After radiotherapy, Cav-1-mediated cell radioresistance was characterized by low accumulation of H2AX foci, as confirmed by Comet assay, marked neutralization of reactive oxygen species (ROS) and enhanced DNA repair via activation of ATM, Ku70/80 complex and DNA-PK. We found that Cav-1-overexpressing RD cells, already under basal conditions, had higher glutathione (GSH) content and greater catalase expression, which conferred protection against acute treatment with hydrogen peroxide. Furthermore, pre-treatment of Cav-1-overexpressing cells with PP2 or LY294002 compounds restored the sensitivity to radiation treatment, indicating a role for Src-kinases and Akt pathways in Cav-1-mediated radioresistance. These findings were confirmed using radioresistant RD and RH30 lines generated by hypofractionated radiotherapy protocol, which showed marked increase of Cav-1, catalase and Akt, and sensitivity to PP2 and LY294002 treatment. In conclusion, these data suggest that concerted activity of Cav-1 and catalase, in cooperation with activation of Src-kinase and Akt pathways, may represent a network of vital mechanisms that allow irradiated RMS cells to evade cell death induced by oxidative stress and DNA damage.
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Affiliation(s)
- Silvia Codenotti
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Francesco Marampon
- Department of Pediatrics, "Sapienza" University of Rome, Rome, Italy; Department of Radiotherapy, Policlinico Umberto I, "Sapienza" University of Rome, Rome, Italy
| | - Luca Triggiani
- Radiation Oncology Department, ASST Spedali Civili di Brescia, University of Brescia, Brescia, Italy
| | - Marco Lorenzo Bonù
- Radiation Oncology Department, ASST Spedali Civili di Brescia, University of Brescia, Brescia, Italy
| | - Stefano Maria Magrini
- Radiation Oncology Department, ASST Spedali Civili di Brescia, University of Brescia, Brescia, Italy
| | - Paola Ceccaroli
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Michele Guescini
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Stefano Gastaldello
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden; Precision Medicine Research Center, School of Pharmacy, Binzhou Medical University, Laishan District, Guanhai Road 346, Yantai, Shandong Province, 264003 China
| | - Vincenzo Tombolini
- Department of Pediatrics, "Sapienza" University of Rome, Rome, Italy; Department of Radiotherapy, Policlinico Umberto I, "Sapienza" University of Rome, Rome, Italy
| | - Pietro Luigi Poliani
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Michela Asperti
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Maura Poli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Eugenio Monti
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Alessandro Fanzani
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.
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Involvement of the FAK Network in Pathologies Related to Altered Mechanotransduction. Int J Mol Sci 2020; 21:ijms21249426. [PMID: 33322030 PMCID: PMC7764271 DOI: 10.3390/ijms21249426] [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: 11/06/2020] [Revised: 12/02/2020] [Accepted: 12/04/2020] [Indexed: 02/08/2023] Open
Abstract
Mechanotransduction is a physiological process in which external mechanical stimulations are perceived, interpreted, and translated by cells into biochemical signals. Mechanical stimulations exerted by extracellular matrix stiffness and cell–cell contacts are continuously applied to living cells, thus representing a key pivotal trigger for cell homeostasis, survival, and function, as well as an essential factor for proper organ development and metabolism. Indeed, a deregulation of the mechanotransduction process consequent to gene mutations or altered functions of proteins involved in perceiving cellular and extracellular mechanics can lead to a broad range of diseases, from muscular dystrophies and cardiomyopathies to cancer development and metastatization. Here, we recapitulate the involvement of focal adhesion kinase (FAK) in the cellular conditions deriving from altered mechanotransduction processes.
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