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Andreuzzi E, Capuano A, Poletto E, Pivetta E, Fejza A, Favero A, Doliana R, Cannizzaro R, Spessotto P, Mongiat M. Role of Extracellular Matrix in Gastrointestinal Cancer-Associated Angiogenesis. Int J Mol Sci 2020; 21:E3686. [PMID: 32456248 PMCID: PMC7279269 DOI: 10.3390/ijms21103686] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/20/2020] [Accepted: 05/21/2020] [Indexed: 02/07/2023] Open
Abstract
Gastrointestinal tumors are responsible for more cancer-related fatalities than any other type of tumors, and colorectal and gastric malignancies account for a large part of these diseases. Thus, there is an urgent need to develop new therapeutic approaches to improve the patients' outcome and the tumor microenvironment is a promising arena for the development of such treatments. In fact, the nature of the microenvironment in the different gastrointestinal tracts may significantly influence not only tumor development but also the therapy response. In particular, an important microenvironmental component and a potential therapeutic target is the vasculature. In this context, the extracellular matrix is a key component exerting an active effect in all the hallmarks of cancer, including angiogenesis. Here, we summarized the current knowledge on the role of extracellular matrix in affecting endothelial cell function and intratumoral vascularization in the context of colorectal and gastric cancer. The extracellular matrix acts both directly on endothelial cells and indirectly through its remodeling and the consequent release of growth factors. We envision that a deeper understanding of the role of extracellular matrix and of its remodeling during cancer progression is of chief importance for the development of new, more efficacious, targeted therapies.
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Affiliation(s)
- Eva Andreuzzi
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
| | - Alessandra Capuano
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
| | - Evelina Poletto
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
| | - Eliana Pivetta
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
| | - Albina Fejza
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
| | - Andrea Favero
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
| | - Roberto Doliana
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
| | - Renato Cannizzaro
- Department of Clinical Oncology, Experimental Gastrointestinal Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy;
| | - Paola Spessotto
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
| | - Maurizio Mongiat
- Department of Research and Diagnosis, Division of Molecular Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, 33081 Aviano, Italy; (E.A.); (A.C.); (E.P.); (E.P.); (A.F.); (A.F.); (R.D.); (P.S.)
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Souza JSM, Lisboa ABP, Santos TM, Andrade MVS, Neves VBS, Teles-Souza J, Jesus HNR, Bezerra TG, Falcão VGO, Oliveira RC, Del-Bem LE. The evolution of ADAM gene family in eukaryotes. Genomics 2020; 112:3108-3116. [PMID: 32437852 DOI: 10.1016/j.ygeno.2020.05.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 03/17/2020] [Accepted: 05/08/2020] [Indexed: 12/12/2022]
Abstract
The ADAM (A Disintegrin And Metalloprotease) gene family encodes proteins with adhesion and proteolytic functions. ADAM proteins are associated with diseases like cancers. Twenty ADAM genes have been identified in humans. However, little is known about the evolution of the family. We analyzed the repertoire of ADAM genes in a vast number of eukaryotic genomes to clarify the main gene copy number expansions. For the first time, we provide compelling evidence that early-branching green algae (Mamiellophyceae) have ADAM genes, suggesting that they originated in the last common ancestor of eukaryotes, before the split of plants, fungi and animals. The ADAM family expanded in early metazoans, with the most significative gene expansion happening during the first steps of vertebrate evolution. We concluded that most of mammal ADAM diversity can be explained by gene duplications in early bone fish. Our data suggest that ADAM genes were lost early in green plant evolution.
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Affiliation(s)
- J S M Souza
- Biochemistry and Molecular Biology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil
| | - A B P Lisboa
- Biotechnology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil; Bioinformatics program, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil
| | - T M Santos
- Biochemistry and Molecular Biology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil; Bioinformatics program, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, Brazil
| | - M V S Andrade
- Biotechnology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil
| | - V B S Neves
- Biochemistry and Molecular Biology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil
| | - J Teles-Souza
- Biochemistry and Molecular Biology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil
| | - H N R Jesus
- Biochemistry and Molecular Biology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil
| | - T G Bezerra
- Biochemistry and Molecular Biology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil
| | - V G O Falcão
- Biotechnology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil
| | - R C Oliveira
- Biochemistry and Molecular Biology program, Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil
| | - L E Del-Bem
- Institute of Health Sciences (ICS), Federal University of Bahia (UFBA), Salvador 40231-300, Brazil.
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53
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Weinreb RN, Robinson MR, Dibas M, Stamer WD. Matrix Metalloproteinases and Glaucoma Treatment. J Ocul Pharmacol Ther 2020; 36:208-228. [PMID: 32233938 PMCID: PMC7232675 DOI: 10.1089/jop.2019.0146] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 02/17/2020] [Indexed: 01/19/2023] Open
Abstract
Matrix metalloproteinases (MMPs) are a family of proteolytic enzymes that degrade extracellular matrix (ECM) components such as collagen and have important roles in multiple biological processes, including development and tissue remodeling, both in health and disease. The activity of MMPs is influenced by the expression of MMPs and tissue inhibitors of metalloproteinase (TIMPs). In the eye, MMP-mediated ECM turnover in the juxtacanalicular region of the trabecular meshwork (TM) reduces outflow resistance in the conventional outflow pathway and helps maintain intraocular pressure (IOP) homeostasis. An imbalance in the MMP/TIMP ratio may be involved in the elevated IOP often associated with glaucoma. The prostaglandin analog/prostamide (PGA) class of topical ocular hypotensive medications used in glaucoma treatment reduces IOP by increasing outflow through both conventional and unconventional (uveoscleral) outflow pathways. Evidence from in vivo and in vitro studies using animal models and anterior segment explant and cell cultures indicates that the mechanism of IOP lowering by PGAs involves increased MMP expression in the TM and ciliary body, leading to tissue remodeling that enhances conventional and unconventional outflow. PGA effects on MMP expression are dependent on the identity and concentration of the PGA. An intracameral sustained-release PGA implant (Bimatoprost SR) in development for glaucoma treatment can reduce IOP for many months after expected intraocular drug bioavailability. We hypothesize that the higher concentrations of bimatoprost achieved in ocular outflow tissues with the implant produce greater MMP upregulation and more extensive, sustained MMP-mediated target tissue remodeling, providing an extended duration of effect.
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Affiliation(s)
- Robert N. Weinreb
- Hamilton Glaucoma Center, Shiley Eye Institute and Viterbi Family Department of Ophthalmology, University of California San Diego, La Jolla, California
| | | | | | - W. Daniel Stamer
- Department of Ophthalmology, Duke University, Durham, North Carolina
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Wu P, Zhang X, Zhang G, Chen F, He M, Zhang T, Wang J, Xie K, Dai G. Transcriptome for the breast muscle of Jinghai yellow chicken at early growth stages. PeerJ 2020; 8:e8950. [PMID: 32328350 PMCID: PMC7166044 DOI: 10.7717/peerj.8950] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 03/20/2020] [Indexed: 12/31/2022] Open
Abstract
Background The meat quality of yellow feathered broilers is better than the quality of its production. Growth traits are important in the broiler industry. The exploration of regulation mechanisms for the skeletal muscle would help to increase the growth performance of chickens. At present, some progress has been made by researchers, but the molecular mechanisms of the skeletal muscle still remain unclear and need to be improved. Methods In this study, the breast muscles of fast- and slow-growing female Jinghai yellow chickens (F4F, F8F, F4S, F8S) and slow-growing male Jinghai yellow chickens (M4S, M8S) aged four and eight weeks were selected for transcriptome sequencing (RNA-seq). All analyses of differentially expressed genes (DEGs) and functional enrichment were performed. Finally, we selected nine DEGs to verify the accuracy of the sequencing by qPCR. Results The differential gene expression analysis resulted in 364, 219 and 111 DEGs (adjusted P-value ≤ 0.05) for the three comparison groups, F8FvsF4F, F8SvsF4S, and M8SvsM4S, respectively. Three common DEGs (ADAMTS20, ARHGAP19, and Novel00254) were found, and they were all highly expressed at four weeks of age. In addition, some other genes related to growth and development, such as ANXA1, COL1A1, MYH15, TGFB3 and ACTC1, were obtained. The most common DEGs (n = 58) were found between the two comparison groups F8FvsF4F and F8SvsF4S, and they might play important roles in the growth of female chickens. The Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway also showed some significant enrichment pathways, for instance, extracellular matrix (ECM)-receptor interaction, focal adhesion, cell cycle, and DNA replication. The two pathways that were significantly enriched in the F8FvsF4F group were all contained in that of F8SvsF4S. The same two pathways were ECM–receptor interaction and focal adhesion, and they had great influence on the growth of chickens. However, many differences existed between male and female chickens in regards to common DEGs and KEGG pathways. The results would help to reveal the regulation mechanism of the growth and development of chickens and serve as a guideline to propose an experimental design on gene function with the DEGs and pathways.
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Affiliation(s)
- Pengfei Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Xinchao Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Genxi Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Fuxiang Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Mingliang He
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Tao Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Jinyu Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Kaizhou Xie
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Guojun Dai
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China.,College of Animal Science and Technology, Yangzhou University, Yangzhou, China
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Li Y, Wang W, Li L, Khalil RA. MMPs and ADAMs/ADAMTS inhibition therapy of abdominal aortic aneurysm. Life Sci 2020; 253:117659. [PMID: 32283055 DOI: 10.1016/j.lfs.2020.117659] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 04/05/2020] [Accepted: 04/07/2020] [Indexed: 12/12/2022]
Abstract
Abdominal aortic aneurysm (AAA) is a chronic vascular degenerative disease featured by progressive dilation and remodeling of the vascular wall, which may lead to aortic rupture and high mortality. The occurrence and development of AAA involve multiple mechanisms, including extracellular matrix degradation, chronic inflammation, oxidative stress, apoptosis of vascular smooth muscle cells and innate immunity. Extracellular matrix degradation is considered as the most important mechanism causing AAA. Matrix metalloproteinases (MMPs) are key factors in this process, contributing greatly to the occurrence and development of AAA. But whether the zinc-dependent endopeptidases (ADAM/ADAMTS) are involved in this process is very little known. This study is a review about the role of MMPs and ADAM/ADAMT as well as the existing MMP inhibitors in abdominal aortic aneurysm, with the purpose of providing reference for the clinical treatment of abdominal aortic aneurysm.
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Affiliation(s)
- Yongqi Li
- Department of Vascular Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China; Graduate School of Comprehensive Human Sciences, University of Tsukuba, Japan
| | - Weicheng Wang
- Emergency Center, The Second Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Lei Li
- Department of Vascular Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China; Vascular Surgery Research Laboratories, Division of Vascular and Endovascular Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
| | - Raouf A Khalil
- Vascular Surgery Research Laboratories, Division of Vascular and Endovascular Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
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Zhang L, Zhao F, Li C, Li H, Tang Q, Chen Y, Yao Y, Ding Z, Xu Y, Chen A, Liu S. Hypomethylation of DNA promoter upregulates ADAMTS7 and contributes to HTR-8/SVneo and JEG-3 cells abnormalities in pre-eclampsia. Placenta 2020; 93:26-33. [PMID: 32250736 DOI: 10.1016/j.placenta.2020.02.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 02/10/2020] [Accepted: 02/19/2020] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Accumulating evidences have suggested a crucial role of epigenetics in the initiation and progression of pre-eclampsia (PE). Here, we studied the expression of the metalloproteinase ADAMTS7 and the methylation level of its promoter in PE placentas and investigated ADAMTS7 role in the pathogenesis of PE. METHODS We first explored ADAMTS7 expression in PE and normal placentas by reverse transcription quantitative PCR (RT-qPCR), western blot, and immunohistochemistry. Methylation specific PCR (MSP) and bisulfite sequencing PCR (BSP) were performed to evaluate the methylation status of ADAMTS7 promoter. Treatment with 5'-Aza was used to induce demethylation and thereby to explore the direct relationship between promoter methylation and ADAMTS7 expression. CCK8 assay, colony formation assay, and trans-well assay were conducted to assess the viability, migration, and invasion of HTR-8/SVneo and JEG-3 cells. RESULTS Our results showed that ADAMTS7 expression was upregulated in PE placentas. Methylation analysis revealed a hypomethylated status of ADAMTS7 promoter regions in PE placenta tissues. Besides, demethylation induced by 5'-Aza directly restored ADAMTS7 expression in trophoblast cells. Finally, overexpression of ADAMTS7 inhibited viability, migration, and invasion of HTR-8/SVneo and JEG-3 cells, while silence of ADAMTS7 by RNA interference reciprocally facilitated cell viability, migration and invasion in vitro. DISCUSSION Upregulation of ADAMTS7 by promoter hypomethylation in placenta might contribute to the etiology of PE via suppressing cell functions of trophoblasts.
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Affiliation(s)
- Lu Zhang
- Medical Genetic Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China; Prenatal Diagnosis Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Fei Zhao
- Department of Gynecology and Obstetrics, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Chuan Li
- Department of Gynecology and Obstetrics, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Hong Li
- Department of Pathology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Qian Tang
- Medical Genetic Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China; Prenatal Diagnosis Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Yunqing Chen
- Department of Pathology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Yushuang Yao
- Department of Gynecology and Obstetrics, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Zhaoxia Ding
- Department of Gynecology and Obstetrics, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Yinglei Xu
- Medical Genetic Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China; Prenatal Diagnosis Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Aiping Chen
- Department of Gynecology and Obstetrics, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
| | - Shiguo Liu
- Medical Genetic Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China; Prenatal Diagnosis Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
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Liu B, Granville DJ, Golledge J, Kassiri Z. Pathogenic mechanisms and the potential of drug therapies for aortic aneurysm. Am J Physiol Heart Circ Physiol 2020; 318:H652-H670. [PMID: 32083977 DOI: 10.1152/ajpheart.00621.2019] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Aortic aneurysm is a permanent focal dilation of the aorta. It is usually an asymptomatic disease but can lead to sudden death due to aortic rupture. Aortic aneurysm-related mortalities are estimated at ∼200,000 deaths per year worldwide. Because no pharmacological treatment has been found to be effective so far, surgical repair remains the only treatment for aortic aneurysm. Aortic aneurysm results from changes in the aortic wall structure due to loss of smooth muscle cells and degradation of the extracellular matrix and can form in different regions of the aorta. Research over the past decade has identified novel contributors to aneurysm formation and progression. The present review provides an overview of cellular and noncellular factors as well as enzymes that process extracellular matrix and regulate cellular functions (e.g., matrix metalloproteinases, granzymes, and cathepsins) in the context of aneurysm pathogenesis. An update of clinical trials focusing on therapeutic strategies to slow abdominal aortic aneurysm growth and efforts underway to develop effective pharmacological treatments is also provided.
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Affiliation(s)
- Bo Liu
- University of Wisconsin, Madison, Department of Surgery, Madison Wisconsin
| | - David J Granville
- International Collaboration on Repair Discoveries Centre and University of British Columbia Centre for Heart Lung Innovation, Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jonathan Golledge
- The Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Department of Vascular and Endovascular Surgery, Townsville Hospital and Health Services, Townsville, Queensland, Australia
| | - Zamaneh Kassiri
- University of Alberta, Department of Physiology, Cardiovascular Research Center, Faculty of Medicine and Dentistry, Edmonton, Alberta, Canada
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Guo T, Yuan D, Lin M, Zhu D, Xu N, Wang J. Aberrant expression of ADAM9 in ovarian cancer and its clinical significance. J Clin Lab Anal 2019; 34:e23136. [PMID: 31793719 PMCID: PMC7171348 DOI: 10.1002/jcla.23136] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 11/08/2019] [Accepted: 11/09/2019] [Indexed: 01/07/2023] Open
Abstract
Background The oncogene a disintegrin and metalloproteinase 9 (ADAM9) was up‐regulated in ovarian cancer tissues, and the present study aims to explore the potential diagnostic and prognostic value of ADAM9 in ovarian cancer (OC). Methods A total of 30 paired fresh OC tumor tissues and the paired‐adjacent normal tissue, and 90 formalin‐fixed paraffin‐embedded (FFPE) OC samples and adjacent normal tissue were collected. The expression of OC in FFPE samples was examined by immunohistochemical methods, and the mRNA expression of ADAM9 in fresh tumor samples was examined by RT‐qPCR methods. Receiver operating characteristics curve was drawn to analyze the potential diagnostic value of ADAM9. Kaplan‐Meier survival analysis was performed to compare the overall survival (OS) and disease‐free survival (DFS) of the ADAM9 positive and negative OC patients. Results The positive rate of ADAM9 in FFPE OC tumor tissue was markedly higher than in the non‐tumorous tissue (61/90 vs 47/90), and increased expression level of ADAM9 may associate with higher histological grade, advanced Figo stage and increased risk of metastasis; moreover, the mRNA expression of ADAM9 was also increased in OC tissue compared with the normal tissue (P < .001), and results of ROC analysis suggested that ADAM9 is a sensitive marker for the diagnosis of OC( AUC 0.8389, 95% confidence interval 0.7333 to 0.9445); finally, increased expression of ADAM9 may indicate decreased OS (P = .004) and DFS (P = .014) of the patients. Conclusion A disintegrin and metalloproteinase 9 was up‐regulated in OC, and ADAM9 may serve as potential diagnostic and prognostic marker for the diagnosis and treatment of OC.
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Affiliation(s)
- Ting Guo
- Institute of Clinical Medicine, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, China
| | - Donglan Yuan
- Department of Obstetrics and Gynecology, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, China
| | - Mei Lin
- Department of Clinical Laboratory, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, China
| | - Dandan Zhu
- Department of Obstetrics and Gynecology, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, China
| | - Ning Xu
- Department of Gastrointestinal Surgery, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, China
| | - Jun Wang
- Department of Emergency, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, China
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Zinc-Induced SUMOylation of Dynamin-Related Protein 1 Protects the Heart against Ischemia-Reperfusion Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:1232146. [PMID: 31428220 PMCID: PMC6679852 DOI: 10.1155/2019/1232146] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 06/13/2019] [Indexed: 11/22/2022]
Abstract
Background Zinc plays a role in mitophagy and protects cardiomyocytes from ischemia/reperfusion injury. This study is aimed at investigating whether SUMOylation of Drp1 is involved in the protection of zinc ion on cardiac I/R injury. Methods Mouse hearts were subjected to 30 minutes of regional ischemia followed by 2 hours of reperfusion (ischemia/reoxygenation (I/R)). Infarct size and apoptosis were assessed. HL-1 cells were subjected to 24 hours of hypoxia and 6 hours of reoxygenation (hypoxia/reoxygenation (H/R)). Zinc was given 5 min before reperfusion for 30 min. SENP2 overexpression plasmid (Flag-SENP2), Drp1 mutation plasmid (Myc-Drp1 4KR), and SUMO1 siRNA were transfected into HL-1 cells for 48 h before hypoxia. Effects of zinc on SUMO family members were analyzed by Western blotting. SUMOylation of Drp1, apoptosis and the collapse of mitochondrial membrane potential (ΔΨm), and mitophagy were evaluated. Results Compared with the control, SUMO1 modification level of proteins in the H/R decreased, while this effect was reversed by zinc. In the setting of H/R, zinc attenuated myocardial apoptosis, which was reversed by SUMO1 siRNA. Similar effects were observed in SUMO1 KO mice exposed to H/R. In addition, the dynamin-related protein 1 (Drp1) is a target protein of SUMO1. The SUMOylation of Drp1 induced by zinc regulated mitophagy and contributed to the protective effect of zinc on H/R injury. Conclusions SUMOylation of Drp1 played an essential role in zinc-induced cardio protection against I/R injury. Our findings provide a promising therapeutic approach for acute myocardial I/R injury.
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Abstract
The ECM (extracellular matrix) network plays a crucial role in cardiac homeostasis, not only by providing structural support, but also by facilitating force transmission, and by transducing key signals to cardiomyocytes, vascular cells, and interstitial cells. Changes in the profile and biochemistry of the ECM may be critically implicated in the pathogenesis of both heart failure with reduced ejection fraction and heart failure with preserved ejection fraction. The patterns of molecular and biochemical ECM alterations in failing hearts are dependent on the type of underlying injury. Pressure overload triggers early activation of a matrix-synthetic program in cardiac fibroblasts, inducing myofibroblast conversion, and stimulating synthesis of both structural and matricellular ECM proteins. Expansion of the cardiac ECM may increase myocardial stiffness promoting diastolic dysfunction. Cardiomyocytes, vascular cells and immune cells, activated through mechanosensitive pathways or neurohumoral mediators may play a critical role in fibroblast activation through secretion of cytokines and growth factors. Sustained pressure overload leads to dilative remodeling and systolic dysfunction that may be mediated by changes in the interstitial protease/antiprotease balance. On the other hand, ischemic injury causes dynamic changes in the cardiac ECM that contribute to regulation of inflammation and repair and may mediate adverse cardiac remodeling. In other pathophysiologic conditions, such as volume overload, diabetes mellitus, and obesity, the cell biological effectors mediating ECM remodeling are poorly understood and the molecular links between the primary insult and the changes in the matrix environment are unknown. This review article discusses the role of ECM macromolecules in heart failure, focusing on both structural ECM proteins (such as fibrillar and nonfibrillar collagens), and specialized injury-associated matrix macromolecules (such as fibronectin and matricellular proteins). Understanding the role of the ECM in heart failure may identify therapeutic targets to reduce geometric remodeling, to attenuate cardiomyocyte dysfunction, and even to promote myocardial regeneration.
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Affiliation(s)
- Nikolaos G Frangogiannis
- From the Wilf Family Cardiovascular Research Institute, Department of Medicine (Cardiology), Albert Einstein College of Medicine, Bronx, NY
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