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Abstract
The extracellular matrix (ECM) exists as a dynamic network of biophysical and biochemical factors that maintain tissue homeostasis. Given its sensitivity to changes in the intra- and extracellular space, the plasticity of the ECM can be pathological in driving disease through aberrant matrix remodelling. In particular, cancer uses the matrix for its proliferation, angiogenesis, cellular reprogramming and metastatic spread. An emerging field of matrix biology focuses on proteoglycans that regulate autophagy, an intracellular process that plays both critical and contextual roles in cancer. Here, we review the most prominent autophagic modulators from the matrix and the current understanding of the cellular pathways and signalling cascades that mechanistically drive their autophagic function. We then critically assess how their autophagic functions influence tumorigenesis, emphasizing the complexities and stage-dependent nature of this relationship in cancer. We highlight novel emerging data on immunoglobulin-containing and proline-rich receptor-1, heparanase and thrombospondin 1 in autophagy and cancer. Finally, we further discuss the pro- and anti-autophagic modulators originating from the ECM, as well as how these proteoglycans and other matrix constituents specifically influence cancer progression.
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Affiliation(s)
- Carolyn G. Chen
- Department of Pathology, Anatomy and Cell Biology and the Translational Cellular Oncology Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Renato V. Iozzo
- Department of Pathology, Anatomy and Cell Biology and the Translational Cellular Oncology Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA 19107, USA
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2
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Schaefer L, Dikic I. Autophagy: Instructions from the extracellular matrix. Matrix Biol 2021; 100-101:1-8. [PMID: 34217800 DOI: 10.1016/j.matbio.2021.06.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 06/27/2021] [Accepted: 06/27/2021] [Indexed: 02/07/2023]
Abstract
In recent years, extensive research has uncovered crucial regulatory roles for the extracellular matrix (ECM) in regulating autophagy. Autophagy is a ubiquitous and highly conserved catabolic process that allows the selective removal and recycling of cytosolic components via lysosomal or vacuolar degradation. Due to its pivotal role in cellular homeostasis, the impairment of autophagy is involved in the pathophysiology of numerous diseases, comprising infectious diseases, immune and neurodegenerative disorders, renal and hepatic diseases, intervertebral and cartilage disorders, as well as fibrosis and cancer. Several ECM-derived proteoglycans and proteins, including decorin, biglycan, endorepellin, endostatin, collagen VI, and plasminogen kringle 5, have been identified as strong inducers of autophagy. In contrast, laminin α2, perlecan, and lumican exert opposite function by suppressing autophagy. Importantly, by direct interaction with various receptors, which interplay with their co-receptors and adhesion molecules, the ECM is able to direct autophagy in a molecular and cell context-specific manner. Thus, vast pharmacological potential resides in translating this knowledge into the development of ECM-derived therapeutics selectively regulating autophagy.
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Affiliation(s)
- Liliana Schaefer
- Institute of Pharmacology and Toxicology, Goethe University, Frankfurt, Germany.
| | - Ivan Dikic
- Institute of Biochemistry II, School of Medicine, Goethe University, Frankfurt, Germany; Buchmann Institute for Molecular Life Sciences, Goethe University, Frankfurt, Germany.
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Neill T, Kapoor A, Xie C, Buraschi S, Iozzo RV. A functional outside-in signaling network of proteoglycans and matrix molecules regulating autophagy. Matrix Biol 2021; 100-101:118-149. [PMID: 33838253 PMCID: PMC8355044 DOI: 10.1016/j.matbio.2021.04.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 02/07/2023]
Abstract
Proteoglycans and selected extracellular matrix constituents are emerging as intrinsic and critical regulators of evolutionarily conversed, intracellular catabolic pathways. Often, these secreted molecules evoke sustained autophagy in a variety of cell types, tissues, and model systems. The unique properties of proteoglycans have ushered in a paradigmatic shift to broaden our understanding of matrix-mediated signaling cascades. The dynamic cellular pathway controlling autophagy is now linked to an equally dynamic and fluid signaling network embedded in a complex meshwork of matrix molecules. A rapidly emerging field of research encompasses multiple matrix-derived candidates, representing a menagerie of soluble matrix constituents including decorin, biglycan, endorepellin, endostatin, collagen VI and plasminogen kringle 5. These matrix constituents are pro-autophagic and simultaneously anti-angiogenic. In contrast, perlecan, laminin α2 chain, and lumican have anti-autophagic functions. Mechanistically, each matrix constituent linked to intracellular catabolic events engages a specific cell surface receptor that often converges on a common core of the autophagic machinery including AMPK, Peg3 and Beclin 1. We consider this matrix-evoked autophagy as non-canonical given that it occurs in an allosteric manner and is independent of nutrient availability or prevailing bioenergetics control. We propose that matrix-regulated autophagy is an important outside-in signaling mechanism for proper tissue homeostasis that could be therapeutically leveraged to combat a variety of diseases.
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Affiliation(s)
- Thomas Neill
- Department of Pathology, Anatomy, and Cell Biology, and the Translational Cellular Oncology Program, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
| | - Aastha Kapoor
- Department of Pathology, Anatomy, and Cell Biology, and the Translational Cellular Oncology Program, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Christopher Xie
- Department of Pathology, Anatomy, and Cell Biology, and the Translational Cellular Oncology Program, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Simone Buraschi
- Department of Pathology, Anatomy, and Cell Biology, and the Translational Cellular Oncology Program, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Renato V Iozzo
- Department of Pathology, Anatomy, and Cell Biology, and the Translational Cellular Oncology Program, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
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Ke PY. Diverse Functions of Autophagy in Liver Physiology and Liver Diseases. Int J Mol Sci 2019; 20:E300. [PMID: 30642133 PMCID: PMC6358975 DOI: 10.3390/ijms20020300] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 01/05/2019] [Accepted: 01/08/2019] [Indexed: 01/09/2023] Open
Abstract
Autophagy is a catabolic process by which eukaryotic cells eliminate cytosolic materials through vacuole-mediated sequestration and subsequent delivery to lysosomes for degradation, thus maintaining cellular homeostasis and the integrity of organelles. Autophagy has emerged as playing a critical role in the regulation of liver physiology and the balancing of liver metabolism. Conversely, numerous recent studies have indicated that autophagy may disease-dependently participate in the pathogenesis of liver diseases, such as liver hepatitis, steatosis, fibrosis, cirrhosis, and hepatocellular carcinoma. This review summarizes the current knowledge on the functions of autophagy in hepatic metabolism and the contribution of autophagy to the pathophysiology of liver-related diseases. Moreover, the impacts of autophagy modulation on the amelioration of the development and progression of liver diseases are also discussed.
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Affiliation(s)
- Po-Yuan Ke
- Department of Biochemistry & Molecular Biology and Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan.
- Liver Research Center, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan.
- Division of Allergy, Immunology, and Rheumatology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan.
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Yu S, Li L, Tian W, Nie D, Mu W, Qiu F, Liu Y, Liu X, Wang X, Du Z, Chu W, Yang B. PEP06 polypeptide 30 exerts antitumour effect in colorectal carcinoma via inhibiting epithelial-mesenchymal transition. Br J Pharmacol 2018; 175:3111-3130. [PMID: 29722931 PMCID: PMC6031886 DOI: 10.1111/bph.14352] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 04/17/2018] [Accepted: 04/20/2018] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND AND PURPOSE PEP06, a polypeptide modified from endostatin, was investigated for its antitumour effects on colorectal cancer (CRC) and the possible mechanisms of this antitumour activity were examined in in vitro and in vivo models. EXPERIMENTAL APPROACH After PEP06 treatment, cell proliferation and migration assays were performed in CRC cells. Epithelial-mesenchymal transition (EMT) progression was determined by Western blotting, immunofluorescent staining and immunohistochemistry in vitro and in a residual xenograft model. MiRNAs regulated by PEP06 were identified by miRNA microarray and verified by in situ hybridization and quantitative real-time PCR. The interactions between PEP06 and integrin αvβ3 were determined with Biacore SA biochips. The cellular function of miR-146b-5p was validated by gain-of-function and loss-of-function approaches. A mouse model of lung metastasis was used to determine the effect of PEP06 on metastatic growth. KEY RESULTS PEP06 did not affect cell viability but reduced migration and EMT in SW620 and HCT116 cells. PEP06 significantly repressed the expression of miR-146b-5p in these two cell lines through binding to integrin αvβ3. MiR-146b-5p was shown to increase EMT by targeting Smad4, and the miR-146b-5p-Smad4 cascade regulated EMT in CRC. PEP06 also suppressed CRC pulmonary metastasis, increased survival of mice and hampered residual tumour growth by inhibiting EMT through down-regulating miR-146b-5p. CONCLUSIONS AND IMPLICATIONS PEP06 is a polypeptide that inhibits the growth and metastasis of colon cancer through its RGD motif binding to integrin αvβ3, thereby down-regulating miR-146b-5p to inhibit EMT in vitro and in vivo. It might have potential as a therapeutic for CRC.
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Affiliation(s)
- Siming Yu
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
| | - Linna Li
- Department of Pharmacology and ToxicologyBeijing Institute of Radiation MedicineBeijingChina
| | - Wei Tian
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
| | - Dan Nie
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
| | - Wei Mu
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
| | - Fang Qiu
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
| | - Yu Liu
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
| | - Xinghan Liu
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
| | - Xiaofeng Wang
- Department of Oral and Maxillofacial SurgeryThe 2nd Affiliated Hospital, Harbin Medical UniversityHarbinHeilongjiangChina
| | - Zhimin Du
- Department of Pharmacythe Second Affiliated Hospital of Harbin Medical University (Institute of Clinical Pharmacy, the Heilongjiang Key Laboratory of Drug Research, Harbin Medical University)Harbin150086China
| | - Wen‐Feng Chu
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
| | - Baofeng Yang
- Department of Pharmacology (The State‐Province Key Laboratories of Biomedicine‐Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education)Harbin Medical UniversityHarbinHeilongjiangChina
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Yu M, Han Y, Zhuo H, Zhang S. Endostar, a Modified Endostatin Induces Vascular Normalization to Improve Chemotherapy Efficacy Through Suppression of Src Signaling Pathway. Cancer Biother Radiopharm 2018; 33:131-138. [PMID: 29694242 DOI: 10.1089/cbr.2017.2399] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Pathological angiogenesis can be a significant barrier to effective cancer therapy. Recent evidence suggests that Endostar may induce vascular normalization, thereby improving tumor perfusion and systemic chemotherapy. However, the molecular mechanism by which Endostar makes chemotherapy more effective remains to be fully elucidated. In this study, established 4T1 breast tumor-bearing animals treated with Endostar were evaluated at serial time points for treatment-associated changes in vascular architecture. As a result, Endostar induced a morphologically and functionally normalized vascular network. Combined Endostar and doxorubicin exhibited significant antitumor (34% of control size) and antimetastatic effects (29% of control metastatic nodules) in vivo. Finally, a two-dimensional gel electrophoresis and MALDIQ-TOF MS/MS-based proteomics approach was used to identify differentially expressed proteins involved in vascular normalization during Endostar administration. SRCIN1 was detected as one of the most significantly increased proteins. SRCIN1 is a novel Src-binding protein that regulates Src activation through C-terminal Src kinase, and attenuated Src activation during Endostar treatment was further confirmed by immunoblotting. Collectively, these data provided a molecular basis for vascular normalization, which were associated with the observed synergistic effect in vivo.
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Affiliation(s)
- Min Yu
- 1 Department of Thoracic Oncology, West China Hospital, Sichuan University , Chengdu, China
| | - Yao Han
- 2 Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University , Chengdu, China
| | - Hongyu Zhuo
- 3 Department of Oncology, Shang Jin Nan Fu Hospital , Chengdu, China
| | - Shuang Zhang
- 4 Department of Head and Neck Oncology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University , Chengdu, China
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Ricard-Blum S, Vallet SD. Matricryptins Network with Matricellular Receptors at the Surface of Endothelial and Tumor Cells. Front Pharmacol 2016; 7:11. [PMID: 26869928 PMCID: PMC4740388 DOI: 10.3389/fphar.2016.00011] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 01/12/2016] [Indexed: 12/11/2022] Open
Abstract
The extracellular matrix (ECM) is a source of bioactive fragments called matricryptins or matrikines resulting from the proteolytic cleavage of extracellular proteins (e.g., collagens, elastin, and laminins) and proteoglycans (e.g., perlecan). Matrix metalloproteinases (MMPs), cathepsins, and bone-morphogenetic protein-1 release fragments, which regulate physiopathological processes including tumor growth, metastasis, and angiogenesis, a pre-requisite for tumor growth. A number of matricryptins, and/or synthetic peptides derived from them, are currently investigated as potential anti-cancer drugs both in vitro and in animal models. Modifications aiming at improving their efficiency and their delivery to their target cells are studied. However, their use as drugs is not straightforward. The biological activities of these fragments are mediated by several receptor families. Several matricryptins may bind to the same matricellular receptor, and a single matricryptin may bind to two different receptors belonging or not to the same family such as integrins and growth factor receptors. Furthermore, some matricryptins interact with each other, integrins and growth factor receptors crosstalk and a signaling pathway may be regulated by several matricryptins. This forms an intricate 3D interaction network at the surface of tumor and endothelial cells, which is tightly associated with other cell-surface associated molecules such as heparan sulfate, caveolin, and nucleolin. Deciphering the molecular mechanisms underlying the behavior of this network is required in order to optimize the development of matricryptins as anti-cancer agents.
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Affiliation(s)
- Sylvie Ricard-Blum
- University Claude Bernard Lyon 1, UMR 5246 Centre National de la Recherche Scientifique - University Lyon 1 - Institut National des Sciences Appliquées de Lyon - École Supérieure de Chimie Physique Électronique de Lyon Villeurbanne, France
| | - Sylvain D Vallet
- University Claude Bernard Lyon 1, UMR 5246 Centre National de la Recherche Scientifique - University Lyon 1 - Institut National des Sciences Appliquées de Lyon - École Supérieure de Chimie Physique Électronique de Lyon Villeurbanne, France
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Su A, Zhang J, Pan ZH, Zhou QM, Lv X. Salvage Therapy of Gemcitabine Plus Endostar Significantly Improves Progression-free Survival (PFS) with Platinum-resistant Recurrent Epithelial Ovarian Cancer. Asian Pac J Cancer Prev 2013; 14:1841-6. [DOI: 10.7314/apjcp.2013.14.3.1841] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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LIN XL, MA XF, LI S, ZHAO Y, WANG Z. The Factors Influence Vascular Endothelial Cells of Autophagy and Related Mechanism*. PROG BIOCHEM BIOPHYS 2012. [DOI: 10.3724/sp.j.1206.2012.00098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Wang TB, Wei XQ, Lin WH, Shi HP, Dong WG. The inhibition of Endostar on the angiogenesis and growth of gastrointestinal stromal tumor xenograft. Clin Exp Med 2011; 12:89-95. [DOI: 10.1007/s10238-011-0143-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2011] [Accepted: 05/23/2011] [Indexed: 12/30/2022]
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Zhang R, Zhu F, Ren J, Huang L, Liu P, Wu G. Beclin1/PI3K-Mediated Autophagy Prevents Hypoxia-Induced Apoptosis in EAhy926 Cell Line. Cancer Biother Radiopharm 2011; 26:335-43. [PMID: 21711108 DOI: 10.1089/cbr.2010.0814] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Ruiguang Zhang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Fang Zhu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Jinghua Ren
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Lili Huang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Pian Liu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Gang Wu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
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