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Li X, Zhou J, Wang X, Li C, Ma Z, Wan Q, Peng F. New advances in the research of clinical treatment and novel anticancer agents in tumor angiogenesis. Biomed Pharmacother 2023; 163:114806. [PMID: 37163782 DOI: 10.1016/j.biopha.2023.114806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/24/2023] [Accepted: 04/30/2023] [Indexed: 05/12/2023] Open
Abstract
In 1971, Folkman proposed that tumors could be limited to very small sizes by blocking angiogenesis. Angiogenesis is the generation of new blood vessels from pre-existing vessels, considered to be one of the important processes in tumor growth and metastasis. Angiogenesis is a complex process regulated by various factors and involves many secreted factors and signaling pathways. Angiogenesis is important in the transport of oxygen and nutrients to the tumor during tumor development. Therefore, inhibition of angiogenesis has become an important strategy in the clinical management of many solid tumors. Combination therapies of angiogenesis inhibitors with radiotherapy and chemotherapy are often used in clinical practice. In this article, we will review common targets against angiogenesis, the most common and up-to-date anti-angiogenic drugs and clinical treatments in recent years, including active ingredients from chemical and herbal medicines.
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Affiliation(s)
- Xin Li
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Jianbo Zhou
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xue Wang
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Chunxi Li
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zifan Ma
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Qiaoling Wan
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Fu Peng
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
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Bhardwaj V, Zhang X, Pandey V, Garg M. Neo-vascularization-based therapeutic perspectives in advanced ovarian cancer. Biochim Biophys Acta Rev Cancer 2023; 1878:188888. [PMID: 37001618 DOI: 10.1016/j.bbcan.2023.188888] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/23/2023] [Accepted: 03/02/2023] [Indexed: 03/30/2023]
Abstract
The process of angiogenesis is well described for its potential role in the development of normal ovaries, and physiological functions as well as in the initiation, progression, and metastasis of ovarian cancer (OC). In advanced stages of OC, cancer cells spread outside the ovary to the pelvic, abdomen, lung, or multiple secondary sites. This seriously limits the efficacy of therapeutic options contributing to fatal clinical outcomes. Notably, a variety of angiogenic effectors are produced by the tumor cells to initiate angiogenic processes leading to the development of new blood vessels, which provide essential resources for tumor survival, dissemination, and dormant micro-metastasis of tumor cells. Multiple proangiogenic effectors and their signaling axis have been discovered and functionally characterized for potential clinical utility in OC. In this review, we have provided the current updates on classical and emerging proangiogenic effectors, their signaling axis, and the immune microenvironment contributing to the pathogenesis of OC. Moreover, we have comprehensively reviewed and discussed the significance of the preclinical strategies, drug repurposing, and clinical trials targeting the angiogenic processes that hold promising perspectives for the better management of patients with OC.
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Affiliation(s)
- Vipul Bhardwaj
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, PR China; Institute of Biopharmaceutical and Bioengineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, PR China
| | - Xi Zhang
- Shenzhen Bay Laboratory, Shenzhen 518055, PR China
| | - Vijay Pandey
- Tsinghua Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, PR China; Institute of Biopharmaceutical and Bioengineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, PR China.
| | - Manoj Garg
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Uttar Pradesh, Sector-125, Noida 201301, India.
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Zhang J, Li W, Wang W, Chen Q, Xu Z, Deng M, Zhou L, He G. Dual roles of FAK in tumor angiogenesis: A review focused on pericyte FAK. Eur J Pharmacol 2023; 947:175694. [PMID: 36967077 DOI: 10.1016/j.ejphar.2023.175694] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/16/2023] [Accepted: 03/24/2023] [Indexed: 03/31/2023]
Abstract
Focal adhesion kinase (FAK), also known as protein tyrosine kinase 2 (PTK2), is a ubiquitously expressed non-receptor tyrosine kinase, that plays a pivotal role in integrin-mediated signal transduction. Endothelial FAK is upregulated in many types of cancer and promotes tumorigenesis and tumor progression. However, recent studies have shown that pericyte FAK has the opposite effect. This review article dissects the mechanisms, by which endothelial cells (ECs) and pericyte FAK regulate angiogenesis, with an emphasis on the Gas6/Axl pathway. In particular, this article discusses the role of pericyte FAK loss on angiogenesis during tumorigenesis and metastasis. In addition, the existing challenges and future application of drug-based anti-FAK targeted therapies will be discussed to provide a theoretical basis for further development and use of FAK inhibitors.
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Sharma A, Behl T, Sharma L, Shah OP, Yadav S, Sachdeva M, Rashid S, Bungau SG, Bustea C. Exploring the molecular pathways and therapeutic implications of angiogenesis in neuropathic pain. Biomed Pharmacother 2023; 162:114693. [PMID: 37062217 DOI: 10.1016/j.biopha.2023.114693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 03/26/2023] [Accepted: 04/10/2023] [Indexed: 04/18/2023] Open
Abstract
Recently, much attention has been paid to chronic neuro-inflammatory condition underlying neuropathic pain. It is generally linked with thermal hyperalgesia and tactile allodynia. It results due to injury or infection in the nervous system. The neuropathic pain spectrum covers a variety of pathophysiological states, mostly involved are ischemic injury viral infections associated neuropathies, chemotherapy-induced peripheral neuropathies, autoimmune disorders, traumatic origin, hereditary neuropathies, inflammatory disorders, and channelopathies. In CNS, angiogenesis is evident in inflammation of neurons and pain in bone cancer. The role of chemokines and cytokines is dualistic; their aggressive secretion produces detrimental effects, leading to neuropathic pain. However, whether the angiogenesis contributes and exists in neuropathic pain remains doubtful. In the present review, we elucidated summary of diverse mechanisms of neuropathic pain associated with angiogenesis. Moreover, an overview of multiple targets that have provided insights on the VEGF signaling, signaling through Tie-1 and Tie-2 receptor, erythropoietin pathway promoting axonal growth are also discussed. Because angiogenesis as a result of these signaling, results in inflammation, we focused on the mechanisms of neuropathic pain. These factors are mainly responsible for the activation of post-traumatic regeneration of the PNS and CNS. Furthermore, we also reviewed synthetic and herbal treatments targeting angiogenesis in neuropathic pain.
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Affiliation(s)
- Aditi Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan 173211, Himachal Pradesh, India
| | - Tapan Behl
- School of Health Sciences and Technology, University of Petroleum and Energy Studies, Bidholi, 248007 Dehradun, Uttarakhand, India.
| | - Lalit Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan 173211, Himachal Pradesh, India
| | - Om Prakash Shah
- School of Pharmaceutical Sciences, Shoolini University, Solan 173211, Himachal Pradesh, India
| | - Shivam Yadav
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, Chhatrapati Shahu ji Maharaj University, Kanpur 208024, Uttar Pradesh, India
| | - Monika Sachdeva
- Fatima College of Health Sciences, Al Ain 00000, United Arab Emirates
| | - Summya Rashid
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea 410028, Romania; Doctoral School of Biomedical Sciences, University of Oradea, Oradea 410028, Romania.
| | - Cristiana Bustea
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Oradea 410073, Romania
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Loric S, Denis JA, Desbene C, Sabbah M, Conti M. Extracellular Vesicles in Breast Cancer: From Biology and Function to Clinical Diagnosis and Therapeutic Management. Int J Mol Sci 2023; 24:7208. [PMID: 37108371 PMCID: PMC10139222 DOI: 10.3390/ijms24087208] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/03/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Breast cancer (BC) is the first worldwide most frequent cancer in both sexes and the most commonly diagnosed in females. Although BC mortality has been thoroughly declining over the past decades, there are still considerable differences between women diagnosed with early BC and when metastatic BC is diagnosed. BC treatment choice is widely dependent on precise histological and molecular characterization. However, recurrence or distant metastasis still occurs even with the most recent efficient therapies. Thus, a better understanding of the different factors underlying tumor escape is mainly mandatory. Among the leading candidates is the continuous interplay between tumor cells and their microenvironment, where extracellular vesicles play a significant role. Among extracellular vesicles, smaller ones, also called exosomes, can carry biomolecules, such as lipids, proteins, and nucleic acids, and generate signal transmission through an intercellular transfer of their content. This mechanism allows tumor cells to recruit and modify the adjacent and systemic microenvironment to support further invasion and dissemination. By reciprocity, stromal cells can also use exosomes to profoundly modify tumor cell behavior. This review intends to cover the most recent literature on the role of extracellular vesicle production in normal and cancerous breast tissues. Specific attention is paid to the use of extracellular vesicles for early BC diagnosis, follow-up, and prognosis because exosomes are actually under the spotlight of researchers as a high-potential source of liquid biopsies. Extracellular vesicles in BC treatment as new targets for therapy or efficient nanovectors to drive drug delivery are also summarized.
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Affiliation(s)
- Sylvain Loric
- INSERM U538, CRSA, Saint-Antoine University Hospital, 75012 Paris, France; (J.A.D.)
| | | | - Cédric Desbene
- INSERM U538, CRSA, Saint-Antoine University Hospital, 75012 Paris, France; (J.A.D.)
| | - Michèle Sabbah
- INSERM U538, CRSA, Saint-Antoine University Hospital, 75012 Paris, France; (J.A.D.)
| | - Marc Conti
- INSERM U538, CRSA, Saint-Antoine University Hospital, 75012 Paris, France; (J.A.D.)
- INTEGRACELL SAS, 91160 Longjumeau, France
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Izadpanah M, Del Bakhshayesh AR, Bahroudi Z, Seghinsara AM, Beheshti R, Mahdipour M, Zarnaghi MR, Hassanpour P, Mardi N, Rahbarghazi R, Abedelahi A. Melatonin and endothelial cell-loaded alginate-fibrin hydrogel promoted angiogenesis in rat cryopreserved/thawed ovaries transplanted to the heterotopic sites. J Biol Eng 2023; 17:23. [PMID: 36978096 PMCID: PMC10053723 DOI: 10.1186/s13036-023-00343-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND Ischemic niche can promote follicular atresia following the transplantation of cryopreserved/thawed ovaries to the heterotopic sites. Thus, the promotion of blood supply is an effective strategy to inhibit/reduce the ischemic damage to ovarian follicles. Here, the angiogenic potential of alginate (Alg) + fibrin (Fib) hydrogel enriched with melatonin (Mel) and CD144+ endothelial cells (ECs) was assessed on encapsulated cryopreserved/thawed ovaries following transplantation to heterotopic sites in rats. METHODS Alg + Fib hydrogel was fabricated by combining 2% (w/v) sodium Alg, 1% (w/v) Fib, and 5 IU thrombin at a ratio of 4: 2: 1, respectively. The mixture was solidified using 1% CaCl2. Using FTIR, SEM, swelling rate, and biodegradation assay, the physicochemical properties of Alg + Fib hydrogel were evaluated. The EC viability was examined using an MTT assay. Thirty-six adult female rats (aged between 6 and 8 weeks) with a normal estrus cycle were ovariectomized and enrolled in this study. Cryopreserved/thawed ovaries were encapsulated in Alg + Fib hydrogel containing 100 µM Mel + CD144+ ECs (2 × 104 cells/ml) and transplanted into the subcutaneous region. Ovaries were removed after 14 days and the expression of Ang-1, and Ang-2 was monitored using real-time PCR assay. The number of vWF+ and α-SMA+ vessels was assessed using IHC staining. Using Masson's trichrome staining, fibrotic changes were evaluated. RESULTS FTIR data indicated successful interaction of Alg with Fib in the presence of ionic cross-linker (1% CaCl2). Data confirmed higher biodegradation and swelling rates in Alg + Fib hydrogel compared to the Alg group (p < 0.05). Increased viability was achieved in encapsulated CD144+ ECs compared to the control group (p < 0.05). IF analysis showed the biodistribution of Dil+ ECs within hydrogel two weeks after transplantation. The ratio of Ang-2/Ang-1 was statistically up-regulated in the rats that received Alg + Fib + Mel hydrogel compared to the control-matched groups (p < 0.05). Based on the data, the addition of Mel and CD144+ ECs to Alg + Fib hydrogel reduced fibrotic changes. Along with these changes, the number of vWF+ and α-SMA+ vessels was increased in the presence of Mel and CD144+ ECs. CONCLUSIONS Co-administration of Alg + Fib with Mel and CD144+ ECs induced angiogenesis toward encapsulated cryopreserved/thawed ovarian transplants, resulting in reduced fibrotic changes.
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Affiliation(s)
- Melika Izadpanah
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166714766, Iran
| | - Azizeh Rahmani Del Bakhshayesh
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Bahroudi
- Department of Anatomical Sciences, Faculty of Medicine, Tarbiat Modares University, Tehran, Iran
| | - Abbas Majdi Seghinsara
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166714766, Iran
| | - Rahim Beheshti
- Department of Veterinary, Shabestar Branch, Islamic Azad University, Shabestar, Iran
| | - Mahdi Mahdipour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahsa Rezaii Zarnaghi
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166714766, Iran
| | - Parisa Hassanpour
- Department of Clinical Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Narges Mardi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Ali Abedelahi
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166714766, Iran.
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Rahimi F, Ahmadkhani N, Goodarzi A, Noori F, Hassanzadeh S, Saghati S, Khanmohammadi M, Goodarzi A. Gelatin-based hydrogel functionalized with taurine moieties for in vivo skin tissue regeneration. Biodes Manuf 2023. [DOI: 10.1007/s42242-022-00227-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Ghalehbandi S, Yuzugulen J, Pranjol MZI, Pourgholami MH. The role of VEGF in cancer-induced angiogenesis and research progress of drugs targeting VEGF. Eur J Pharmacol 2023; 949:175586. [PMID: 36906141 DOI: 10.1016/j.ejphar.2023.175586] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 01/16/2023] [Accepted: 02/08/2023] [Indexed: 03/11/2023]
Abstract
Angiogenesis is a double-edged sword; it is a mechanism that defines the boundary between health and disease. In spite of its central role in physiological homeostasis, it provides the oxygen and nutrition needed by tumor cells to proceed from dormancy if pro-angiogenic factors tip the balance in favor of tumor angiogenesis. Among pro-angiogenic factors, vascular endothelial growth factor (VEGF) is a prominent target in therapeutic methods due to its strategic involvement in the formation of anomalous tumor vasculature. In addition, VEGF exhibits immune-regulatory properties which suppress immune cell antitumor activity. VEGF signaling through its receptors is an integral part of tumoral angiogenic approaches. A wide variety of medicines have been designed to target the ligands and receptors of this pro-angiogenic superfamily. Herein, we summarize the direct and indirect molecular mechanisms of VEGF to demonstrate its versatile role in the context of cancer angiogenesis and current transformative VEGF-targeted strategies interfering with tumor growth.
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Affiliation(s)
| | - Jale Yuzugulen
- Faculty of Pharmacy, Eastern Mediterranean University, Famagusta, North Cyprus via Mersin 10, Turkey
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Sarmah DT, Gujjar S, Mathapati S, Bairagi N, Chatterjee S. Identification of critical autophagy-related proteins in diabetic retinopathy: A multi-dimensional computational study. Gene 2023; 866:147339. [PMID: 36882123 DOI: 10.1016/j.gene.2023.147339] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 02/24/2023] [Accepted: 03/01/2023] [Indexed: 03/07/2023]
Abstract
Diabetic retinopathy (DR) is a common consequence of diabetes mellitus and a primary cause of visual impairment in middle-aged and elderly individuals. DR is susceptible to cellular degradation facilitated by autophagy. In this study, we have employed a multi-layer relatedness (MLR) approach to uncover novel autophagy-related proteins involved in DR. The objective of MLR is to determine the relatedness of autophagic and DR proteins by incorporating both expression and prior-knowledge-based similarities. We constructed a prior knowledge-based network and identified the topologically significant novel disease-related candidate autophagic proteins (CAPs). Then, we evaluated their significance in a gene co-expression and a differentially-expressed gene (DEG) network. Finally, we investigated the proximity of CAPs to the known disease-related proteins. Leveraging this methodology, we identified three crucial autophagy-related proteins, TP53, HSAP90AA1, and PIK3R1, which can influence the DR interactome in various layers of heterogeneity of clinical manifestations. They are strongly related to multiple detrimental characteristics of DR, such as pericyte loss, angiogenesis, apoptosis, and endothelial cell migration, and hence may be used to prevent or delay the progression and development of DR. We evaluated one of the identified targets, TP53, in a cell-based model and found that its inhibition resulted in reduced angiogenesis in high glucose condition required to control DR.
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Affiliation(s)
- Dipanka Tanu Sarmah
- Complex Analysis Group, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad 121001, India
| | - Sunil Gujjar
- Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad 121001, India
| | - Santosh Mathapati
- Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad 121001, India
| | - Nandadulal Bairagi
- Centre for Mathematical Biology and Ecology, Department of Mathematics, Jadavpur University, Kolkata 700032, India
| | - Samrat Chatterjee
- Complex Analysis Group, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, Faridabad 121001, India.
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Ermerak NO, Yilmaz B, Batirel S, Olgun Yildizeli S, Kocakaya D, Mutlu B, Tas S, Yildizeli B. The angiogenic gene profile of pulmonary endarterectomy specimens: Initial study. JTCVS OPEN 2023; 13:423-434. [PMID: 37063122 PMCID: PMC10091285 DOI: 10.1016/j.xjon.2022.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 12/03/2022] [Accepted: 12/19/2022] [Indexed: 04/18/2023]
Abstract
Objectives The underlying mechanisms for the development of chronic thromboembolic pulmonary hypertension and prognostic biomarkers are not clear yet. Thus, our aim is to assess and identify new biomarkers for the expression of 84 key genes linked to angiogenesis. Methods Patients who had levels more than 1000 dynes·sec·cm-5 were included in the test group, and the other patients were included in the control group. Twelve specimens were taken from the patients. RT2 Profiler PCR Array (Qiagen) was used to quantify the expression of the 84 key genes. Results Eight patients (6 male, 2 female, median age 54.4 ± 13.1 years) who underwent pulmonary endarterectomy were included. Pulmonary vascular resistance improved significantly from 811 ± 390 dyn/s/cm-5 to 413.3 ± 144.9 dyn/s/cm-5 (P < .005). A difference was also detected in median mean pulmonary arterial pressure, which decreased from 49.8 ± 9 mm Hg to 32.62 ± 2.50 mm Hg (P > .005) after surgery. Median length of hospital stay was 11.62 ± 2.97 days. The test group had a distinct pattern of impaired angiogenic and antiangiogenic genes. The expression levels of TGFA, TGFB1, THBS2, THBS1, TGFBR1, SERPINE1, SERPINF1, TGFB2, TIMP2, VEGFC, IFNA1, TNF, CXCL10, NOS3, IGF1, and MMP14 were downregulated in the specimens from the patients who had higher pulmonary vascular resistance values, whereas some genes, including PDGFA, showed upregulation that was statistically nonsignificant in the same group. Conclusions These results can lead to the development of new markers that could predict adverse outcomes of patients with CTEPH. Identification of new markers that are related to worse outcomes would enable screening patients for early diagnosis and treatment.
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Affiliation(s)
- Nezih Onur Ermerak
- Department of Thoracic Surgery, Marmara University School of Medicine, Istanbul, Turkey
- Address for reprints: Nezih Onur Ermerak, MD, Department of Thoracic Surgery, Marmara University School of Medicine, Fevzi Cakmak Mah. Mimar Sinan Cad. No: 41, Ust Kaynarca, Pendik, İstanbul, 34899, Turkey.
| | - Betul Yilmaz
- Department of Biochemistry, Marmara University School of Medicine, Istanbul, Turkey
| | - Saime Batirel
- Department of Biochemistry, Marmara University School of Medicine, Istanbul, Turkey
| | - Sehnaz Olgun Yildizeli
- Department of Biochemistry, Marmara University School of Medicine/Genetic and Metabolic Diseases Research and Investigation Center (GEMHAM), Marmara University, Istanbul, Turkey
| | - Derya Kocakaya
- Department of Biochemistry, Marmara University School of Medicine/Genetic and Metabolic Diseases Research and Investigation Center (GEMHAM), Marmara University, Istanbul, Turkey
| | - Bulent Mutlu
- Department of Cardiology, Marmara University School of Medicine, Istanbul, Turkey
| | - Serpil Tas
- Department of Cardiovascular Surgery, Kosuyolu Training and Research Hospital, Istanbul, Turkey
| | - Bedrettin Yildizeli
- Department of Thoracic Surgery, Marmara University School of Medicine, Istanbul, Turkey
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Huang H, Saddala MS, Mukwaya A, Mohan RR, Lennikov A. Association of Placental Growth Factor and Angiopoietin in Human Retinal Endothelial Cell-Pericyte co-Cultures and iPSC-Derived Vascular Organoids. Curr Eye Res 2023; 48:297-311. [PMID: 36458540 PMCID: PMC10417885 DOI: 10.1080/02713683.2022.2149808] [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: 07/03/2022] [Revised: 11/13/2022] [Accepted: 11/14/2022] [Indexed: 12/05/2022]
Abstract
PURPOSE Placental growth factor (PlGF) and Angiopoietin (Ang)-1 are two proteins that are involved in the regulation of endothelial cell (EC) growth and vasculature formation. In the retina and endothelial cells, pericytes are the major source of both molecules. The purpose of this study is to examine the association of PlGF and Ang-1 with human EC/pericyte co-cultures and iPSC-derived vascular organoids. METHODS In this study, we used co-cultures of human primary retinal endothelial cells (HREC) and primary human retinal pericytes (HRP), western blotting, immunofluorescent analysis, TUNEL staining, LDH-assays, and RNA seq analysis, as well as human-induced pluripotent stem cells (iPSC), derived organoids (VO) to study the association between PlGF and Ang-1. RESULTS Inhibition of PlGF by PlGF neutralizing antibody in HREC-HRP co-cultures resulted in the increased expression of Ang-1 and Tie-2 in a dose-dependent manner. This upregulation was not observed in HREC and HRP monocultures but only in co-cultures suggesting the association of pericytes and endothelial cells. Furthermore, Vascular endothelial growth factor receptor 1 (VEGFR1) inhibition abolished the Ang-1 and Tie-2 upregulation by PlGF inhibition. The pericyte viability in high-glucose conditions was also reduced by VEGFR1 neutralization. Immunofluorescent analysis showed that Ang-1 and Ang-2 were expressed mainly by perivascular cells in the VO. RNA seq analysis of the RNA isolated from VO in high glucose conditions indicated increased PlGF and Ang-2 expressions in the VO. PlGF inhibition increased the expression of Ang-1 and Tie-2 in VO, increasing the pericyte coverage of the VO microvascular network. CONCLUSION Combined, these results suggest PlGF's role in the regulation of Ang-1 and Tie-2 expression through VEGFR1. These findings provide new insights into the neovascularization process in diabetic retinopathy and new targets for potential therapeutic intervention.
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Affiliation(s)
- Hu Huang
- Department of Ophthalmology, University of Missouri School of Medicine, Columbia, MO, USA
| | - Madhu Sudhana Saddala
- Department of Ophthalmology, University of Missouri School of Medicine, Columbia, MO, USA
- Wilmer Bioinformatics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Anthony Mukwaya
- Department of Ophthalmology, Institute for Clinical, and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
- Department of Biochemistry and Molecular Biology, Faculty of Health Sciences, Busitema University, Uganda
| | - Rajiv R. Mohan
- Department of Ophthalmology, University of Missouri School of Medicine, Columbia, MO, USA
| | - Anton Lennikov
- Department of Ophthalmology, Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts, United States
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Moeinabadi-Bidgoli K, Rezaee M, Hossein-Khannazer N, Babajani A, Aghdaei HA, Arki MK, Afaghi S, Niknejad H, Vosough M. Exosomes for angiogenesis induction in ischemic disorders. J Cell Mol Med 2023; 27:763-787. [PMID: 36786037 PMCID: PMC10003030 DOI: 10.1111/jcmm.17689] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/19/2023] [Accepted: 01/26/2023] [Indexed: 02/15/2023] Open
Abstract
Ischaemic disorders are leading causes of morbidity and mortality worldwide. While the current therapeutic approaches have improved life expectancy and quality of life, they are unable to "cure" ischemic diseases and instate regeneration of damaged tissues. Exosomes are a class of extracellular vesicles with an average size of 100-150 nm, secreted by many cell types and considered a potent factor of cells for paracrine effects. Since exosomes contain multiple bioactive components such as growth factors, molecular intermediates of different intracellular pathways, microRNAs and nucleic acids, they are considered as cell-free therapeutics. Besides, exosomes do not rise cell therapy concerns such as teratoma formation, alloreactivity and thrombotic events. In addition, exosomes are stored and utilized more convenient. Interestingly, exosomes could be an ideal complementary therapeutic tool for ischemic disorders. In this review, we discussed therapeutic functions of exosomes in ischemic disorders including angiogenesis induction through various mechanisms with specific attention to vascular endothelial growth factor pathway. Furthermore, different delivery routes of exosomes and different modification strategies including cell preconditioning, gene modification and bioconjugation, were highlighted. Finally, pre-clinical and clinical investigations in which exosomes were used were discussed.
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Affiliation(s)
- Kasra Moeinabadi-Bidgoli
- Basic and Molecular Epidemiology of Gastroenterology Disorders Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Malihe Rezaee
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nikoo Hossein-Khannazer
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amirhesam Babajani
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastroenterology Disorders Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mandana Kazem Arki
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Siamak Afaghi
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Niknejad
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,Experimental Cancer Medicine, Institution for Laboratory Medicine, Karolinska Institute, Stockholm, Sweden
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Daidone M, Del Cuore A, Casuccio A, Di Chiara T, Guggino G, Di Raimondo D, Puleo MG, Ferrante A, Scaglione R, Pinto A, Tuttolomondo A. Vascular health in subjects with rheumatoid arthritis: assessment of endothelial function indices and serum biomarkers of vascular damage. Intern Emerg Med 2023; 18:467-475. [PMID: 36692587 DOI: 10.1007/s11739-023-03192-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 01/02/2023] [Indexed: 01/25/2023]
Abstract
BACKGROUND The cardiovascular risk (CVD) in patients with rheumatoid arthritis (RA) is 1.5-2 times higher than that in individuals of the same age and sex. AIMS To analyse the degree of endothelial dysfunction, the atherogenic immunoinflammatory serum background and the relationships among some vascular indices, cardiovascular comorbidities, and cognitive performance in subjects with RA. PATIENTS AND METHODS All consecutive patients with a rheumatoid arthritis diagnosis admitted to the Rheumatology Ward of "Policlinico Paolo Giaccone" Hospital of Palermo were enrolled from July 2019 to September 2020. We evaluated our patients' cognitive functions by administering the Mini-Mental State Examination (MMSE). Reactive Hyperaemia Index (RHI) was evaluated for assessment of endothelial function. Serum levels of angiopoietin 2, osteopontin and pentraxin 3 were assessed by blood collection. RESULTS Fifty-eight consecutive patients with RA and 40 control subjects were analysed. RA patients showed significantly lower mean RHI values, significantly higher mean Augmentation Index (AIX) values and significantly lower mean Mini-Mental State Examination (MMSE) score values than the control group. Patients with rheumatoid arthritis also showed higher mean serum values of pentraxin 3 and angiopoietin 2 than healthy controls. Multivariate logistic regression analysis showed a significant association between pentraxin 3 and angiopoietin 2 and the presence of RA. DISCUSSION Angiopoietin 2 and pentraxin 3 could be considered surrogate biomarkers of endothelial activation and vascular disease, as they could play an essential role in the regulation of endothelial integrity and inflammation.
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Affiliation(s)
- Mario Daidone
- U.O. C di Medicina Interna con Stroke Care, Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", (ProMise), Università degli Studi di Palermo, Piazza delle Cliniche N.2, 90127, Palermo, Italy
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
| | - Alessandro Del Cuore
- U.O. C di Medicina Interna con Stroke Care, Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", (ProMise), Università degli Studi di Palermo, Piazza delle Cliniche N.2, 90127, Palermo, Italy
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
| | - Alessandra Casuccio
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
| | - Tiziana Di Chiara
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
| | - Giuliana Guggino
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", U. O di Reumatologia, Palermo, Italy
| | - Domenico Di Raimondo
- U.O. C di Medicina Interna con Stroke Care, Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", (ProMise), Università degli Studi di Palermo, Piazza delle Cliniche N.2, 90127, Palermo, Italy
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
| | - Maria Grazia Puleo
- U.O. C di Medicina Interna con Stroke Care, Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", (ProMise), Università degli Studi di Palermo, Piazza delle Cliniche N.2, 90127, Palermo, Italy
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
| | - Angelo Ferrante
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", U. O di Reumatologia, Palermo, Italy
| | - Rosario Scaglione
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", U. O di Reumatologia, Palermo, Italy
| | - Antonio Pinto
- U.O. C di Medicina Interna con Stroke Care, Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", (ProMise), Università degli Studi di Palermo, Piazza delle Cliniche N.2, 90127, Palermo, Italy
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy
| | - Antonino Tuttolomondo
- U.O. C di Medicina Interna con Stroke Care, Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", (ProMise), Università degli Studi di Palermo, Piazza delle Cliniche N.2, 90127, Palermo, Italy.
- Dipartimento Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro"(ProMise), Università degli Studi di Palermo, Palermo, Italy.
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64
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Rusidzé M, Gargaros A, Fébrissy C, Dubucs C, Weyl A, Ousselin J, Aziza J, Arnal JF, Lenfant F. Estrogen Actions in Placental Vascular Morphogenesis and Spiral Artery Remodeling: A Comparative View between Humans and Mice. Cells 2023; 12:cells12040620. [PMID: 36831287 PMCID: PMC9954071 DOI: 10.3390/cells12040620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/17/2023] Open
Abstract
Estrogens, mainly 17β-estradiol (E2), play a critical role in reproductive organogenesis, ovulation, and fertility via estrogen receptors. E2 is also a well-known regulator of utero-placental vascular development and blood-flow dynamics throughout gestation. Mouse and human placentas possess strikingly different morphological configurations that confer important reproductive advantages. However, the functional interplay between fetal and maternal vasculature remains similar in both species. In this review, we briefly describe the structural and functional characteristics, as well as the development, of mouse and human placentas. In addition, we summarize the current knowledge regarding estrogen actions during utero-placental vascular morphogenesis, which includes uterine angiogenesis, the control of trophoblast behavior, spiral artery remodeling, and hemodynamic adaptation throughout pregnancy, in both mice and humans. Finally, the estrogens that are present in abnormal placentation are also mentioned. Overall, this review highlights the importance of the actions of estrogens in the physiology and pathophysiology of placental vascular development.
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Affiliation(s)
- Mariam Rusidzé
- Institute of Metabolic and Cardiovascular Diseases (I2MC), INSERM U1297, University of Toulouse III-Paul Sabatier (UPS), CHU, 31432 Toulouse, France
- Department of Pathology, Cancer University Institute of Toulouse Oncopole-IUCT, 31100 Toulouse, France
| | - Adrien Gargaros
- Institute of Metabolic and Cardiovascular Diseases (I2MC), INSERM U1297, University of Toulouse III-Paul Sabatier (UPS), CHU, 31432 Toulouse, France
| | - Chanaëlle Fébrissy
- Institute of Metabolic and Cardiovascular Diseases (I2MC), INSERM U1297, University of Toulouse III-Paul Sabatier (UPS), CHU, 31432 Toulouse, France
| | - Charlotte Dubucs
- Department of Pathology, Cancer University Institute of Toulouse Oncopole-IUCT, 31100 Toulouse, France
| | - Ariane Weyl
- Institute of Metabolic and Cardiovascular Diseases (I2MC), INSERM U1297, University of Toulouse III-Paul Sabatier (UPS), CHU, 31432 Toulouse, France
- Department of Pathology, Cancer University Institute of Toulouse Oncopole-IUCT, 31100 Toulouse, France
| | - Jessie Ousselin
- Department of Pathology, Cancer University Institute of Toulouse Oncopole-IUCT, 31100 Toulouse, France
| | - Jacqueline Aziza
- Department of Pathology, Cancer University Institute of Toulouse Oncopole-IUCT, 31100 Toulouse, France
| | - Jean-François Arnal
- Institute of Metabolic and Cardiovascular Diseases (I2MC), INSERM U1297, University of Toulouse III-Paul Sabatier (UPS), CHU, 31432 Toulouse, France
| | - Françoise Lenfant
- Institute of Metabolic and Cardiovascular Diseases (I2MC), INSERM U1297, University of Toulouse III-Paul Sabatier (UPS), CHU, 31432 Toulouse, France
- Correspondence:
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65
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Wang L, Chen Q, Pang J. The effects and mechanisms of ghrelin upon angiogenesis in human coronary artery endothelial cells under hypoxia. Peptides 2023; 160:170921. [PMID: 36496009 DOI: 10.1016/j.peptides.2022.170921] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 12/01/2022] [Accepted: 12/06/2022] [Indexed: 12/12/2022]
Abstract
Ghrelin, an endogenous ligand of the growth hormone secretagogue receptor (GHSR), has been found to stimulate angiogenesis both in vivo and in vitro. However, the effect of ghrelin upon angiogenesis, and the corresponding mechanisms of ghrelin therein, in human coronary artery endothelial cells (HCAECs) under hypoxia is still unknown. Our study found that ghrelin significantly increased HCAECs proliferation, migration, in vitro angiogenesis, and microvessel sprouting from the aortic ring under hypoxic conditions. The ghrelin-induced angiogenic process was accompanied by vascular endothelial growth factor (VEGF), angiopoietin-1 (Ang-1), angiopoietin-2 (Ang-2) and endothelial-specific receptor tyrosine kinase (Tie2) expressions. In addition, this angiogenic effect was almost completely inhibited by Ang-2 RNAi and Tie2 RNAi. Pretreatment with the GHSR1a blocker [D-Lys3]-GHRP-6 abolished ghrelin-induced VEGF, Ang-1, Ang-2 and Tie2 expressions and in vitro angiogenesis. In conclusion, this is the first demonstration that ghrelin stimulates HCAECs in vitro angiogenesis through GHSR1a-mediated VEGF, Ang-1, Ang-2 and Tie2 pathways under hypoxic conditions. It indicated that ghrelin might play an important role in myocardial angiogenesis after ischemic injury.
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Affiliation(s)
- Li Wang
- Department of Geriatrics, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China.
| | - Qingwei Chen
- Department of Geriatrics, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Jun Pang
- Department of Geriatrics, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
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66
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Ross M, Kargl CK, Ferguson R, Gavin TP, Hellsten Y. Exercise-induced skeletal muscle angiogenesis: impact of age, sex, angiocrines and cellular mediators. Eur J Appl Physiol 2023:10.1007/s00421-022-05128-6. [PMID: 36715739 DOI: 10.1007/s00421-022-05128-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 12/25/2022] [Indexed: 01/31/2023]
Abstract
Exercise-induced skeletal muscle angiogenesis is a well-known physiological adaptation that occurs in humans in response to exercise training and can lead to endurance performance benefits, as well as improvements in cardiovascular and skeletal tissue health. An increase in capillary density in skeletal muscle improves diffusive oxygen exchange and waste extraction, and thus greater fatigue resistance, which has application to athletes but also to the general population. Exercise-induced angiogenesis can significantly contribute to improvements in cardiovascular and metabolic health, such as the increase in muscle glucose uptake, important for the prevention of diabetes. Recently, our understanding of the mechanisms by which angiogenesis occurs with exercise has grown substantially. This review will detail the biochemical, cellular and biomechanical signals for exercise-induced skeletal muscle angiogenesis, including recent work on extracellular vesicles and circulating angiogenic cells. In addition, the influence of age, sex, exercise intensity/duration, as well as recent observations with the use of blood flow restricted exercise, will also be discussed in detail. This review will provide academics and practitioners with mechanistic and applied evidence for optimising training interventions to promote physical performance through manipulating capillarisation in skeletal muscle.
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Affiliation(s)
- Mark Ross
- School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, Edinburgh, Scotland, UK.
| | - Christopher K Kargl
- Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, USA.,Department of Health and Kinesiology, Max E. Wastl Human Performance Laboratory, Purdue University, West Lafayette, USA
| | - Richard Ferguson
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Timothy P Gavin
- Department of Health and Kinesiology, Max E. Wastl Human Performance Laboratory, Purdue University, West Lafayette, USA
| | - Ylva Hellsten
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark
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67
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Zakeri A, Khaseb S, Akhavan Rahnama M, Hajaliaskari A, Soufi Zomorrod M. Exosomes derived from mesenchymal stem cells: A promising cell-free therapeutic tool for cutaneous wound healing. Biochimie 2023; 209:73-84. [PMID: 36681232 DOI: 10.1016/j.biochi.2023.01.013] [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: 07/23/2021] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023]
Abstract
Skin wound healing is a multifaceted process involving a cascade of molecular and cellular procedures that occur in four different phases: (a) hemostasis, (b) inflammation, (c) proliferation, and (d) tissue remodeling. Prolonged wound healing in skin is still a major challenge in treatment of wounds. Mesenchymal stem cells (MSCs) accelerate cutaneous wound healing through their paracrine activity. Exosomes are one of the key secretory products of MSCs, mimicking the effects of parental MSCs in skin wound healing process. Exosomes are small membrane vesicles (30-150 nm in diameter) that originate from endosomal pathways and transport numerous biomolecules, including DNAs, messenger RNAs, microRNAs, lipids, and proteins. They can be taken up by target cells and release their contents to modulate the activity of recipient cells. Exosomes derived from mesenchymal stem cells (MSC-Exo) reduce inflammation, promote proliferation, inhibit apoptosis, and enhance angiogenesis in skin wound healing process. Therefore, exosomes are emerging as novel cell-cell communication mediators and have opened a novel viewpoint for developing cell-free therapies. This review aims to demonstrate the roles of exosomes in each step of skin wound healing through a comprehensive literature search.
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Affiliation(s)
- Armin Zakeri
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Sanaz Khaseb
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Mahshid Akhavan Rahnama
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Akram Hajaliaskari
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
| | - Mina Soufi Zomorrod
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University (TMU), Tehran, Iran.
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68
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Shi X, Seidle KA, Simms KJ, Dong F, Chilian WM, Zhang P. Endothelial progenitor cells in the host defense response. Pharmacol Ther 2023; 241:108315. [PMID: 36436689 PMCID: PMC9944665 DOI: 10.1016/j.pharmthera.2022.108315] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/15/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022]
Abstract
Extensive injury of endothelial cells in blood vasculature, especially in the microcirculatory system, frequently occurs in hosts suffering from sepsis and the accompanied systemic inflammation. Pathological factors, including toxic components derived from invading microbes, oxidative stress associated with tissue ischemia/reperfusion, and vessel active mediators generated during the inflammatory response, are known to play important roles in mediating endothelial injury. Collapse of microcirculation and tissue edema developed from the failure of endothelial barrier function in vital organ systems, including the lung, brain, and kidney, are detrimental, which often predict fatal outcomes. The host body possesses a substantial capacity for maintaining vascular homeostasis and repairing endothelial damage. Bone marrow and vascular wall niches house endothelial progenitor cells (EPCs). In response to septic challenges, EPCs in their niche environment are rapidly activated for proliferation and angiogenic differentiation. In the meantime, release of EPCs from their niches into the blood stream and homing of these vascular precursors to tissue sites of injury are markedly increased. The recruited EPCs actively participate in host defense against endothelial injury and repair of damage in blood vasculature via direct differentiation into endothelial cells for re-endothelialization as well as production of vessel active mediators to exert paracrine and autocrine effects on angiogenesis/vasculogenesis. In recent years, investigations on significance of EPCs in host defense and molecular signaling mechanisms underlying regulation of the EPC response have achieved substantial progress, which promotes exploration of vascular precursor cell-based approaches for effective prevention and treatment of sepsis-induced vascular injury as well as vital organ system failure.
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Affiliation(s)
- Xin Shi
- Department of Integrative Medical Sciences, Northeast Ohio Medical University College of Medicine, Rootstown, OH 44272, United States of America
| | - Kelly A Seidle
- Department of Integrative Medical Sciences, Northeast Ohio Medical University College of Medicine, Rootstown, OH 44272, United States of America
| | - Kevin J Simms
- Department of Integrative Medical Sciences, Northeast Ohio Medical University College of Medicine, Rootstown, OH 44272, United States of America
| | - Feng Dong
- Department of Integrative Medical Sciences, Northeast Ohio Medical University College of Medicine, Rootstown, OH 44272, United States of America
| | - William M Chilian
- Department of Integrative Medical Sciences, Northeast Ohio Medical University College of Medicine, Rootstown, OH 44272, United States of America
| | - Ping Zhang
- Department of Integrative Medical Sciences, Northeast Ohio Medical University College of Medicine, Rootstown, OH 44272, United States of America.
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69
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Zochodne DW. Growth factors and molecular-driven plasticity in neurological systems. HANDBOOK OF CLINICAL NEUROLOGY 2023; 196:569-598. [PMID: 37620091 DOI: 10.1016/b978-0-323-98817-9.00017-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
It has been almost 70 years since the discovery of nerve growth factor (NGF), a period of a dramatic evolution in our understanding of dynamic growth, regeneration, and rewiring of the nervous system. In 1953, the extraordinary finding that a protein found in mouse submandibular glands generated a halo of outgrowing axons has now redefined our concept of the nervous system connectome. Central and peripheral neurons and their axons or dendrites are no longer considered fixed or static "wiring." Exploiting this molecular-driven plasticity as a therapeutic approach has arrived in the clinic with a slate of new trials and ideas. Neural growth factors (GFs), soluble proteins that alter the behavior of neurons, have expanded in numbers and our understanding of the complexity of their signaling and interactions with other proteins has intensified. However, beyond these "extrinsic" determinants of neuron growth and function are the downstream pathways that impact neurons, ripe for translational development and potentially more important than individual growth factors that may trigger them. Persistent and ongoing nuances in clinical trial design in some of the most intractable and irreversible neurological conditions give hope for connecting new biological ideas with clinical benefits. This review is a targeted update on neural GFs, their signals, and new therapeutic ideas, selected from an expansive literature.
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Affiliation(s)
- Douglas W Zochodne
- Division of Neurology, Department of Medicine and Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada.
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70
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Laborda-Illanes A, Sánchez-Alcoholado L, Castellano-Castillo D, Boutriq S, Plaza-Andrades I, Aranega-Martín L, Peralta-Linero J, Alba E, González-González A, Queipo-Ortuño MI. Development of in vitro and in vivo tools to evaluate the antiangiogenic potential of melatonin to neutralize the angiogenic effects of VEGF and breast cancer cells: CAM assay and 3D endothelial cell spheroids. Biomed Pharmacother 2023; 157:114041. [PMID: 36423543 DOI: 10.1016/j.biopha.2022.114041] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/15/2022] [Accepted: 11/19/2022] [Indexed: 11/22/2022] Open
Abstract
Melatonin is a molecule with different antitumor actions in breast cancer and has been described as an inhibitor of vascular endothelial growth factor (VEGF). Despite the recognition of the key role exerted by VEGF in tumor angiogenesis, limitations arise when developing models to test new antiangiogenic molecules. Thus, the aim of this study was to develop rapid, economic, high capacity and easy handling angiogenesis assays to test the antiangiogenic effects of melatonin and demonstrate its most effective dose to neutralize and interfere with the angiogenic sprouting effect induced by VEGF and MCF-7. To perform this, 3D endothelial cell (HUVEC) spheroids and a chicken embryo chorioallantoic membrane (CAM) assay were used. The results showed that VEGF and MCF-7 were able to stimulate the sprouting of the new vessels in 3D endothelial spheroids and the CAM assay, and that melatonin had an inhibitory effect on angiogenesis. Specifically, as the 1 mM pharmacological dose was the only effective dose able to inhibit the formation of ramifications around the alginate in the CAM assay model, this inhibition was shown to occur in a dose-dependent manner. Taken together, these techniques represent novel tools for the development of antiangiogenic molecules such as melatonin, with possible implications for the therapy of breast cancer.
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Affiliation(s)
- Aurora Laborda-Illanes
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain.
| | - Lidia Sánchez-Alcoholado
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain.
| | - Daniel Castellano-Castillo
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain.
| | - Soukaina Boutriq
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain.
| | - Isaac Plaza-Andrades
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain.
| | - Lucía Aranega-Martín
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain.
| | - Jesús Peralta-Linero
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain.
| | - Emilio Alba
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain; Department of Medicine and Pediatrics. Faculty of Medicine, University of Malaga, 29071 Malaga, Spain.
| | - Alicia González-González
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain; Department of Medicine and Pediatrics. Faculty of Medicine, University of Malaga, 29071 Malaga, Spain; Department of Physiology and Pharmacology. Faculty of Medicine, University of Cantabria, and Valdecilla Health Research Institute (IDIVAL), 39011 Santander, Spain.
| | - María Isabel Queipo-Ortuño
- Intercenter Medical Oncology Clinical Management Unit, Regional and Virgen de la Victoria University Hospitals, Málaga Biomedical Research Institute (IBIMA)-CIMES-UMA, 29010 Málaga, Spain; Department of Surgical Specialties, Biochemical and Immunology. Faculty of Medicine, University of Málaga, 29071 Malaga, Spain.
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Lyttle BD, Vaughn AE, Bardill JR, Apte A, Gallagher LT, Zgheib C, Liechty KW. Effects of microRNAs on angiogenesis in diabetic wounds. Front Med (Lausanne) 2023; 10:1140979. [PMID: 37020673 PMCID: PMC10067680 DOI: 10.3389/fmed.2023.1140979] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 02/27/2023] [Indexed: 04/07/2023] Open
Abstract
Diabetes mellitus is a morbid condition affecting a growing number of the world population, and approximately one third of diabetic patients are afflicted with diabetic foot ulcers (DFU), which are chronic non-healing wounds that frequently progress to require amputation. The treatments currently used for DFU focus on reducing pressure on the wound, staving off infection, and maintaining a moist environment, but the impaired wound healing that occurs in diabetes is a constant obstacle that must be faced. Aberrant angiogenesis is a major contributor to poor wound healing in diabetes and surgical intervention is often necessary to establish peripheral blood flow necessary for healing wounds. Over recent years, microRNAs (miRNAs) have been implicated in the dysregulation of angiogenesis in multiple pathologies including diabetes. This review explores the pathways of angiogenesis that become dysregulated in diabetes, focusing on miRNAs that have been identified and the mechanisms by which they affect angiogenesis.
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Affiliation(s)
- Bailey D. Lyttle
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, School of Medicine, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO, United States
- *Correspondence: Bailey D. Lyttle,
| | - Alyssa E. Vaughn
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, School of Medicine, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO, United States
| | - James R. Bardill
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, School of Medicine, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO, United States
| | - Anisha Apte
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, College of Medicine, University of Arizona Health Sciences College of Medicine—Tucson, Tucson, AZ, United States
| | - Lauren T. Gallagher
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, School of Medicine, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO, United States
| | - Carlos Zgheib
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, College of Medicine, University of Arizona Health Sciences College of Medicine—Tucson, Tucson, AZ, United States
| | - Kenneth W. Liechty
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, College of Medicine, University of Arizona Health Sciences College of Medicine—Tucson, Tucson, AZ, United States
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Abstract
Cancer cells require higher oxygen levels and nutrition than normal cells. Cancer cells induce angiogenesis (the development of new blood vessels) from preexisting vessels. This biological process depends on the special, chemical, and physical properties of the microenvironment surrounding tumor tissues. The complexity of these properties hinders an understanding of their mechanisms. Various mathematical models have been developed to describe quantitative relationships related to angiogenesis. We developed a three-dimensional mathematical model that incorporates angiogenesis and tumor growth. We examined angiopoietin, which regulates the spouting and branching events in angiogenesis. The simulation successfully reproduced the transient decrease in new vessels during vascular network formation. This chapter describes the protocol used to perform the simulations.
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Affiliation(s)
- Masahiro Sugimoto
- Institute of Medical Science, Tokyo Medical University, Shinjuku, Tokyo, Japan.
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Yamagata, Japan.
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Wang P, Luo N, Zhao L, Zhao Y. Vascular Distribution and Expression Patterns of Angiogenic Factors in Caruncle during the Early Stage of Pregnancy in Goats ( Capra hircus). Animals (Basel) 2022; 13:ani13010099. [PMID: 36611709 PMCID: PMC9818016 DOI: 10.3390/ani13010099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/03/2022] [Accepted: 12/22/2022] [Indexed: 12/29/2022] Open
Abstract
The placenta is a temporary maternal−fetal organ, and its maternal placenta (caruncle) is essential for fetal growth and development. The exchange function of the placenta requires vascular development (angiogenesis). However, the angiogenesis of the caruncle is poorly understood in goats during the early stage of pregnancy. Here, we investigated the vascular distribution, mRNA expression of major angiogenic factors, and the methylation levels of ANGPT2 in the goat caruncle. It showed that CAD (capillary area density), CSD (capillary surface density), and APC (area per capillary) increased gradually, while CND (capillary number density) showed an insignificant change, probably due to the variability between animals. The proportion of proliferating cells was observed to be very high (>26%) and increased (p < 0.002) approximately 2-fold from day 20 to 60 of pregnancy. Furthermore, the expression patterns of major angiogenic factors changed during the early stage of pregnancy. Interestingly, we discovered an absolute correlation between the mRNA for ANGPT2, TEK, FGF2, and vascular distribution. Subsequently, we evaluated the DNA methylation of ANGPT2, where we found that mean methylation was negatively correlated with CAD. The methylation at the CpG sites, such as CpG 4/18, CpG 9.10.11, and CpG 15, showed significant changes during the early stage of pregnancy. Thus, our findings suggest that the methylation of ANGPT2 may be involved in the regulation of caruncle angiogenesis during the early stage of pregnancy.
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Affiliation(s)
| | | | | | - Yongju Zhao
- Correspondence: ; Tel.: +86-023-68-250-205; Fax: +86-023-68-251-196
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Baseline Ang-2 Serum Levels as a Predictive Factor for Survival in NSCLC and SCLC. Life (Basel) 2022; 12:life12122092. [PMID: 36556457 PMCID: PMC9786126 DOI: 10.3390/life12122092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/29/2022] [Accepted: 12/05/2022] [Indexed: 12/15/2022] Open
Abstract
Angiopoietin-2 (Ang-2) has been implicated in the development of several types of cancer, including lung malignancy. In the present study, we examined the impact of Ang-2 serum concentration on the development, dissemination, and 5-year overall survival of NSCLC and SCLC. A total of 99 patients with lung cancer were tested. The OS of NSCLC and SCLC patients was estimated using Kaplan−Meier curves and compared through log-rank test. The median serum level of Ang-2 at baseline in both NSCLC and SCLC patients was significantly higher than that of controls (p < 0.0001). The Ang-2 serum concentration was not related to metastasis, neither in NSCLC nor in SCLC cases. The OS was found to be significantly shorter for stage IIIβ NSCLC patients with a high baseline Ang-2 serum concentration (p = 0.012), while Cox regression analysis showed that Ang-2 is a significant independent factor for poor prognosis for stage IIIβ NSCLC (hazard ratio = 2.97, 95% CI: 1.05−8.40, p = 0.04). The concentration of Ang-2 has no impact on the prognosis of SCLC. Ang-2 could be considered as a significant molecular marker that enables the prediction of NSCLC and SCLC development, and is involved in the poor prognosis of stage IIIβ NSCLC.
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Collazos-Alemán JD, Gnecco-González S, Jaramillo-Zarama B, Jiménez-Mora MA, Mendivil CO. The Role of Angiopoietins in Neovascular Diabetes-Related Retinal Diseases. Diabetes Ther 2022; 13:1811-1821. [PMID: 36331711 PMCID: PMC9663771 DOI: 10.1007/s13300-022-01326-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022] Open
Abstract
Diabetic retinopathy is a devastating and frequent complication of poorly controlled diabetes, whose pathogenesis is still only partially understood. Advances in basic research over the last two decades have led to the discovery of angiopoietins, proteins that strongly influence the growth and integrity of blood vessels in many vascular beds, with particular importance in the retina. Angiopoietin 1 (Ang1), produced mostly by pericytes and platelets, and angiopoietin 2 (Ang2), produced mainly by endothelial cells, bind to the same receptor (Tie2), but exert opposing effects on target cells. Ang1 maintains the stability of the mature vasculature, while Ang2 promotes vessel wall destabilization and disruption of the connections between endothelial cells and pericytes. Human retinal endothelial cells exposed to Ang2 show reduced membrane expression of the adhesion molecule VE-cadherin, and patients with proliferative diabetic retinopathy or diabetic macular edema have markedly increased vitreal concentrations of Ang2. Faricimab, a bi-specific antibody simultaneously directed against Ang2 and VEGF, has shown promising results in clinical trials among patients with diabetic retinopathy, and other agents targeting the angiopoietin system are currently in development.
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Affiliation(s)
| | - Sofía Gnecco-González
- School of Medicine, Universidad de los Andes, Carrera 7 No 116-05, Of 413, Bogotá, Colombia
| | | | - Mario A Jiménez-Mora
- Department of Ophthalmology, Faculty of Medicine, National University of Colombia, Bogotá, Colombia
| | - Carlos O Mendivil
- School of Medicine, Universidad de los Andes, Carrera 7 No 116-05, Of 413, Bogotá, Colombia.
- Section of Endocrinology, Fundación Santa Fe de Bogotá, Bogotá, Colombia.
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Thanh Duyen LT, Manh BV, Phuong Thao TT, Khanh LV, Linh Trang BN, Giang NT, Quang HV, Viet NT, Hang NT, Mao CV, Toan NL, Tong HV. Prognostic significance of the angiopoietin-2 for early prediction of septic shock in severe sepsis patients. Future Sci OA 2022; 8:FSO825. [PMID: 36874368 PMCID: PMC9979161 DOI: 10.2144/fsoa-2022-0077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 01/10/2023] [Indexed: 01/28/2023] Open
Abstract
Aim The current study investigated the plasma levels of angiopoietin-1/-2 and their association with clinical outcomes of sepsis. Methods Angiopoietin-1 and -2 levels were quantified in plasma from 105 patients with severe sepsis by ELISA. Results Angiopoietin-2 levels elevated according to the severity of sepsis progression. Angiopoietin-2 levels were correlated with mean arterial pressure and platelets counts, total bilirubin, creatinine, procalcitonin, lactate levels and SOFA score. Angiopoietin-2 levels accurately discriminated for sepsis with an AUC = 0.97 and septic shock from severe sepsis patients (AUC = 0.778). Conclusion Plasma angiopoietin-2 levels may serve as an additional biomarker for severe sepsis and septic shock.
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Affiliation(s)
- Luu Thi Thanh Duyen
- Surgical Intensive Care Unit, Military Hospital 103, Vietnam Military Medical University, Hanoi, Vietnam.,Surgical Intensive Care Unit, Viet Tiep Hospital, Hai Phong, Vietnam
| | - Bui Van Manh
- Surgical Intensive Care Unit, Military Hospital 103, Vietnam Military Medical University, Hanoi, Vietnam
| | - Tran Thi Phuong Thao
- Institute of Biomedicine & Pharmacy, Vietnam Military Medical University, Hanoi, Vietnam
| | - Le Van Khanh
- Institute of Biomedicine & Pharmacy, Vietnam Military Medical University, Hanoi, Vietnam
| | - Bui Ngoc Linh Trang
- Institute of Biomedicine & Pharmacy, Vietnam Military Medical University, Hanoi, Vietnam
| | - Ngo Truong Giang
- Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Vietnam
| | - Ha Van Quang
- Institute of Biomedicine & Pharmacy, Vietnam Military Medical University, Hanoi, Vietnam
| | - Nguyen Thanh Viet
- Institute of Biomedicine & Pharmacy, Vietnam Military Medical University, Hanoi, Vietnam
| | - Ngo Thu Hang
- Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Vietnam
| | - Can Van Mao
- Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Vietnam
| | - Nguyen Linh Toan
- Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Vietnam
| | - Hoang Van Tong
- Institute of Biomedicine & Pharmacy, Vietnam Military Medical University, Hanoi, Vietnam.,Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Vietnam
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Yang H, Song L, Ning X, Ma Y, Xue A, Zhao H, Du Y, Lu Q, Liu Z, Wang J. Enhanced external counterpulsation ameliorates endothelial dysfunction and elevates exercise tolerance in patients with coronary artery disease. Front Cardiovasc Med 2022; 9:997109. [PMID: 36523357 PMCID: PMC9744945 DOI: 10.3389/fcvm.2022.997109] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 11/14/2022] [Indexed: 12/18/2023] Open
Abstract
PURPOSE Enhanced external counterpulsation (EECP) is a new non-drug treatment for coronary artery disease (CAD). However, the long-term effect of EECP on endothelial dysfunction and exercise tolerance, and the relationship between the changes in the endothelial dysfunction and exercise tolerance in the patients with coronary heart disease are still unclear. METHODS A total of 240 patients with CAD were randomly divided into EECP group (n = 120) and control group (n = 120). All patients received routine treatment of CAD as the basic therapy. Patients in the EECP group received 35 1-h daily sessions of EECP during 7 consecutive weeks while the control group received the same treatment course, but the cuff inflation pressure was 0-10 mmHg. Peak systolic velocity (PSV), end diastolic velocity (EDV), resistance index (RI), and inner diameter (ID) of the right carotid artery were examined using a Color Doppler Ultrasound and used to calculate the fluid shear stress (FSS). Serum levels of human vascular endothelial cell growth factor (VEGF), vascular endothelial cell growth factor receptor 2 (VEGFR2), and human angiotensin 2 (Ang2) were determined by enzyme-linked immunosorbent assay (ELISA). Exercise load time, maximal oxygen uptake (VO2max ), metabolic equivalent (METs), anaerobic threshold (AT), peak oxygen pulse (VO2max/HR) were assessed using cardiopulmonary exercise tests. RESULTS After 1 year follow-up, the EDV, PSV, ID, and FSS were significantly increased in the EECP group (P < 0.05 and 0.01, respectively), whereas there were no significant changes in these parameters in the control group. The serum levels of VEGF and VEGFR2 were elevated in the EECP and control groups (all P < 0.05). However, the changes in VEGF and VEGFR2 were significantly higher in the EECP group than in the control group (P < 0.01). The serum level of Ang2 was decreased in the EECP group (P < 0.05) and no obvious changes in the control group. As for exercise tolerance of patients, there were significant increases in the exercise load time, VO2max, VO2max/HR, AT and METs in the EECP group (all P < 0.05) and VO2max and METs in the control group (all P < 0.05). Correlation analyses showed a significant and positive correlations of VEGF and VEGFR2 levels with the changes in FSS (all P < 0.001). The correlations were still remained even after adjustment for confounders (all Padjustment < 0.001). Linear regression displays the age, the medication of ACEI (angiotensin-converting enzyme inhibitors) or ARB (angiotensin receptor blockers), the diabetes and the changes in VEGF and VEGFR2 were positively and independently associated with the changes in METs after adjustment for confounders (all Padjustment < 0.05). CONCLUSION The data of our study suggested that EECP is a useful therapeutic measurement for amelioration of endothelial dysfunction and long-term elevation of exercise tolerance for patients with coronary heart disease. CLINICAL TRIAL REGISTRATION [http://www.chictr.org.cn/], identifier [ChiCTR1800020102].
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Affiliation(s)
- Huongrui Yang
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Lixue Song
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Xiang Ning
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Yanyan Ma
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Aiying Xue
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Hongbing Zhao
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Yimeng Du
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Qinghua Lu
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Zhendong Liu
- Cardio-Cerebrovascular Control and Research Center, Basic Medical College, Shandong First Medical University, Jinan, Shandong, China
| | - Juan Wang
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, Shandong, China
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Zhang Y, Yang X, Liu S, Zhuang Z, Wei M, Deng X, Wang Z. Comprehensive Analysis of Potential Prognostic Values of ANGPTLs in Colorectal Cancer. Genes (Basel) 2022; 13:genes13122215. [PMID: 36553482 PMCID: PMC9777639 DOI: 10.3390/genes13122215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/09/2022] [Accepted: 11/17/2022] [Indexed: 11/29/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most common malignant tumors in the world. CRC recurrence and metastasis cause poor prognosis. ANGPTLs (angiopoietin-like proteins) are a family of proteins that are widely involved in metabolic disease and tumorigenesis. The roles of ANGPTLs in CRC are still controversial and deserve further research. In this study, several databases were employed to explore the expression profiles, prognostic values, genetic alterations, potential biological function, and immune infiltration correlation of ANGPTLs in CRC. The expression of ANGPTL4 was significantly positively correlated with the stage of CRC. Therefore, cell and molecular experiments were further performed to explore the roles of ANGPTL4. Our results showed that the transcriptions of ANGPTLs in colon cancer and rectal cancer tissues were lower than those in normal tissues, but the protein expression varied among different ANGPTLs. In addition, the high expression of ANGPTLs led to a relatively poor oncological outcome. Specifically, the expression of ANGPTL4 is significantly positively correlated with the stage of CRC. Further investigation revealed that ANGPTLs are mainly involved in signal transduction and the regulation of transcription, while KEGG pathway analyses demonstrated pathways in cancer. Additionally, we also observed that ANGPTL4 could promote the proliferation and migration of CRC cells, and four specific small molecule compounds had potential ANGPTL4-binding capabilities, suggesting the clinical application of these small molecule compounds on CRC treatment. Our findings imply the prognostic values and potential therapeutic targets of ANGPTLs in CRC.
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Affiliation(s)
- Yang Zhang
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xuyang Yang
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Sicheng Liu
- Research Laboratory of Cancer Epigenetics and Genomics, Frontiers Science Center for Disease-Related Molecular Network, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zixuan Zhuang
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Mingtian Wei
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xiangbing Deng
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ziqiang Wang
- Colorectal Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
- Correspondence: ; Tel.: +86-028-85422480; Fax: +86-28-81654035
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Lemmer D, Schmidt J, Kummer K, Lemmer B, Wrede A, Seitz C, Balcarek P, Schwarze K, Müller GA, Patschan D, Patschan S. Impairment of muscular endothelial cell regeneration in dermatomyositis. Front Neurol 2022; 13:952699. [PMID: 36330424 PMCID: PMC9623165 DOI: 10.3389/fneur.2022.952699] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 09/01/2022] [Indexed: 11/22/2022] Open
Abstract
Background and aim Inflammatory myopathies are heterogeneous in terms of etiology, (immuno)pathology, and clinical findings. Endothelial cell injury, as it occurs in DM, is a common feature of numerous inflammatory and non-inflammatory vascular diseases. Vascular regeneration is mediated by both local and blood-derived mechanisms, such as the mobilization and activation of so-called proangiogenic cells (PACs) or early endothelial progenitor cells (eEPCs). The current study aimed to evaluate parameters of eEPC integrity in dermatomyositis (DM), compared to necrotizing myopathy (NM) and to non-myopathic controls. Methods Blood samples from DM and NM patients were compared to non-myositis controls and analyzed for the following parameters: circulating CD133+/VEGFR-2+ cells, number of colony-forming unit endothelial cells (CFU-ECs), concentrations of angiopoietin 1, vascular endothelial growth factor (VEGF), and CXCL-16. Muscle biopsies from DM and NM subjects underwent immunofluorescence analysis for CXCR6, nestin, and CD31 (PECAM-1). Finally, myotubes, derived from healthy donors, were stimulated with serum samples from DM and NM patients, subsequently followed by RT-PCR for the following candidates: IL-1β, IL-6, nestin, and CD31. Results Seventeen (17) DM patients, 7 NM patients, and 40 non-myositis controls were included. CD133+/VEGFR-2+ cells did not differ between the groups. Both DM and NM patients showed lower CFU-ECs than controls. In DM, intramuscular CD31 abundances were significantly reduced, which indicated vascular rarefaction. Muscular CXCR6 was elevated in both diseases. Circulating CXCL-16 was higher in DM and NM in contrast, compared to controls. Serum from patients with DM but not NM induced a profound upregulation of mRNS expression of CD31 and IL-6 in cultured myotubes. Conclusion Our study demonstrates the loss of intramuscular microvessels in DM, accompanied by endothelial activation in DM and NM. Vascular regeneration was impaired in DM and NM. The findings suggest a role for inflammation-associated vascular damage in the pathogenesis of DM.
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Affiliation(s)
- D. Lemmer
- Department of Nephrology and Rheumatology, University Medical Center Göttingen, Göttingen, Germany
- Immanuel Krankenhaus Berlin, Medical Center of Rheumatology Berlin-Buch, Berlin, Germany
| | - J. Schmidt
- Department of Neurology and Pain Treatment, Immanuel Klinik Rüdersdorf, University Hospital of the Brandenburg Medical School Theodor Fontane, Rüdersdorf bei Berlin, Germany
- Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Rüdersdorf bei Berlin, Germany
- Department of Neurology, Neuromuscular Center, University Medical Center Göttingen, Göttingen, Germany
| | - K. Kummer
- Department of Neurology, Neuromuscular Center, University Medical Center Göttingen, Göttingen, Germany
| | - B. Lemmer
- Department of Physics, Georg-August-University Göttingen, Göttingen, Germany
| | - A. Wrede
- Department of Neuropathology, University Medical Center Göttingen, Göttingen, Germany
| | - C. Seitz
- Department of Dermatology, Allergology and Venereology, University Medical Center Göttingen, Göttingen, Germany
| | - P. Balcarek
- Department of Trauma Surgery, Orthopedics and Plastic Surgery, University Medical Center Göttingen, Göttingen, Germany
- Arcus Klinik, Pforzheim, Germany
| | - K. Schwarze
- Department of Nephrology and Rheumatology, University Medical Center Göttingen, Göttingen, Germany
| | - G. A. Müller
- Department of Nephrology and Rheumatology, University Medical Center Göttingen, Göttingen, Germany
| | - D. Patschan
- Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Rüdersdorf bei Berlin, Germany
- Department of Medicine 1, Cardiology, Angiology, and Nephrology, University Hospital Brandenburg of the Brandenburg Medical School Theodor Fontane, Branderburg, Germany
| | - S. Patschan
- Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Rüdersdorf bei Berlin, Germany
- Department of Medicine 1, Cardiology, Angiology, and Nephrology, University Hospital Brandenburg of the Brandenburg Medical School Theodor Fontane, Branderburg, Germany
- *Correspondence: S. Patschan
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Barć P, Antkiewicz M, Frączkowska-Sioma K, Kupczyńska D, Lubieniecki P, Witkiewicz W, Małodobra-Mazur M, Baczyńska D, Janczak D, Skóra JP. Two-Stage Gene Therapy (VEGF, HGF and ANG1 Plasmids) as Adjunctive Therapy in the Treatment of Critical Lower Limb Ischemia in Diabetic Foot Syndrome. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:12818. [PMID: 36232122 PMCID: PMC9564889 DOI: 10.3390/ijerph191912818] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/03/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
One of the most serious problems in people with diabetes is diabetic foot syndrome. Due to the peripheral location of atherosclerotic lesions in the arterial system of the lower extremities, endovascular treatment plays a dominant role. However, carrying out these procedures is not always possible and does not always bring the expected results. Gene therapy, which stimulates angiogenesis, improves not only the inflow from the proximal limb but also the blood redistribution in individual angiosomes. Due to the encouraging results of sequential treatment consisting of intramuscular injections of VEGF/HGF bicistronic plasmids followed by a month of ANG1 plasmids, we decided to use the described method for the treatment of critical ischemia of the lower limbs in the course of diabetes and, more specifically, in diabetic foot syndrome. Twenty-four patients meeting the inclusion criteria were enrolled in the study. They were randomly divided into two equal groups. The first group of patients was subjected to gene therapy, where the patients received intramuscular injections of pIRES/VEGF165/HGF plasmids and 1 month of ANG-1 plasmids. The remaining patients constituted the control group. Gene therapy was well tolerated by most patients. The wounds healed significantly better in Group 1. The minimal value of ABI increased significantly in Group 1 from 0.44 ± 0.14 (± standard deviation) to 0.47 ± 0.12 (with p = 0.028) at the end of the study. There were no significant differences in the control group. In the gene treatment group, PtcO2 increased significantly (from 28.71 ± 10.89 mmHg to 33.9 ± 6.33 mmHg with p = 0.001), while in Group 2, no statistically significant changes were found. The observed resting pain decreased significantly in both groups (Group 1 decreased from 6.80 ± 1.48 to 2.10 ± 1.10; p < 0.001; the control group decreased from 7.44 ± 1.42 to 3.78 ± 1.64 with p < 0.001). In our study, we evaluated the effectiveness of gene therapy with the growth factors described above in patients with CLI in the course of complicated DM. The therapy was shown to be effective with minimal side effects. No serious complications were observed.
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Affiliation(s)
- Piotr Barć
- Department and Clinic of Vascular, General and Transplantation Surgery, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Maciej Antkiewicz
- Department and Clinic of Vascular, General and Transplantation Surgery, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Katarzyna Frączkowska-Sioma
- Department and Clinic of Vascular, General and Transplantation Surgery, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Diana Kupczyńska
- Department and Clinic of Vascular, General and Transplantation Surgery, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Paweł Lubieniecki
- Department of Angiology, Hypertension and Diabetology, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Wojciech Witkiewicz
- Research and Development Center, Regional Specialized Hospital in Wroclaw, Kamienskiego 73a, 51-124 Wroclaw, Poland
| | - Małgorzata Małodobra-Mazur
- Department of Forensic Medicine, Division of Molecular Techniques, Wroclaw Medical University, M. Curie-Sklodowskiej 52, 50-369 Wroclaw, Poland
| | - Dagmara Baczyńska
- Department of Molecular and Cellular Biology, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland
| | - Dariusz Janczak
- Department and Clinic of Vascular, General and Transplantation Surgery, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Jan Paweł Skóra
- Department and Clinic of Vascular, General and Transplantation Surgery, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
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Park T, Hwang H, Moon S, Kang SG, Song S, Kim YH, Kim H, Ko EJ, Yoon SD, Kang SM, Hwang HS. Vaccines against SARS-CoV-2 variants and future pandemics. Expert Rev Vaccines 2022; 21:1363-1376. [PMID: 35924678 PMCID: PMC9979704 DOI: 10.1080/14760584.2022.2110075] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 08/02/2022] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Vaccination continues to be the most effective method for controlling COVID-19 infectious diseases. Nonetheless, SARS-CoV-2 variants continue to evolve and emerge, resulting in significant public concerns worldwide, even after more than 2 years since the COVID-19 pandemic. It is important to better understand how different COVID-19 vaccine platforms work, why SARS-CoV-2 variants continue to emerge, and what options for improving COVID-19 vaccines can be considered to fight against SARS-CoV-2 variants and future pandemics. AREA COVERED Here, we reviewed the innate immune sensors in the recognition of SARS-CoV-2 virus, innate and adaptive immunity including neutralizing antibodies by different COVID-19 vaccines. Efficacy comparison of the several COVID-19 vaccine platforms approved for use in humans, concerns about SARS-CoV-2 variants and breakthrough infections, and the options for developing future COIVD-19 vaccines were also covered. EXPERT OPINION Owing to the continuous emergence of novel pathogens and the reemergence of variants, safer and more effective new vaccines are needed. This review also aims to provide the knowledge basis for the development of next-generation COVID-19 and pan-coronavirus vaccines to provide cross-protection against new SARS-CoV-2 variants and future coronavirus pandemics.
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Affiliation(s)
- Taeyoung Park
- Department of Biology, College of Life Science and Industry, Sunchon National University (SCNU), Suncheon, South Korea
| | - Hyogyeong Hwang
- Department of Biology, College of Life Science and Industry, Sunchon National University (SCNU), Suncheon, South Korea
| | - Suhyeong Moon
- Department of Biology, College of Life Science and Industry, Sunchon National University (SCNU), Suncheon, South Korea
| | - Sang Gu Kang
- Department of Biology, College of Life Science and Industry, Sunchon National University (SCNU), Suncheon, South Korea
| | - Seunghyup Song
- Department of Biology, College of Life Science and Industry, Sunchon National University (SCNU), Suncheon, South Korea
| | - Young Hun Kim
- Department of Biology, College of Life Science and Industry, Sunchon National University (SCNU), Suncheon, South Korea
| | - Hanbi Kim
- Department of Biology, College of Life Science and Industry, Sunchon National University (SCNU), Suncheon, South Korea
| | - Eun-Ju Ko
- College of Veterinary Medicine and Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju, South Korea
| | - Soon-Do Yoon
- Department of Chemical and Biomolecular Engineering, Chonnam National University, Yeosu, South Korea
| | - Sang-Moo Kang
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
| | - Hye Suk Hwang
- Department of Biology, College of Life Science and Industry, Sunchon National University (SCNU), Suncheon, South Korea
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Lee YM. RUNX Family in Hypoxic Microenvironment and Angiogenesis in Cancers. Cells 2022; 11:cells11193098. [PMID: 36231060 PMCID: PMC9564080 DOI: 10.3390/cells11193098] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/27/2022] [Accepted: 09/27/2022] [Indexed: 11/28/2022] Open
Abstract
The tumor microenvironment (TME) is broadly implicated in tumorigenesis, as tumor cells interact with surrounding cells to influence the development and progression of the tumor. Blood vessels are a major component of the TME and are attributed to the creation of a hypoxic microenvironment, which is a common feature of advanced cancers and inflamed premalignant tissues. Runt-related transcription factor (RUNX) proteins, a transcription factor family of developmental master regulators, are involved in vital cellular processes such as differentiation, proliferation, cell lineage specification, and apoptosis. Furthermore, the RUNX family is involved in the regulation of various oncogenic processes and signaling pathways as well as tumor suppressive functions, suggesting that the RUNX family plays a strategic role in tumorigenesis. In this review, we have discussed the relevant findings that describe the crosstalk of the RUNX family with the hypoxic TME and tumor angiogenesis or with their signaling molecules in cancer development and progression.
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Affiliation(s)
- You Mie Lee
- Vessel-Organ Interaction Research Center, VOICE (MRC), Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Korea
- Lab of Molecular Pathophysiology, College of Pharmacy, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Korea
- Correspondence: ; Tel.: +82-53-950-8566; Fax:+82-53-950-8557
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Salati M, Caputo F, Bocconi A, Cerri S, Baldessari C, Piacentini F, Dominici M, Gelsomino F. Successes and failures of angiogenesis blockade in gastric and gastro-esophageal junction adenocarcinoma. Front Oncol 2022; 12:993573. [PMID: 36212393 PMCID: PMC9540203 DOI: 10.3389/fonc.2022.993573] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
Gastric and gastro-esophageal junction adenocarcinoma (GEA) remains a considerable major public health problem worldwide, being the fifth most common cancer with a fatality-to-case ratio that stands still at 70%. Angiogenesis, which is a well-established cancer hallmark, exerts a fundamental role in cancer initiation and progression and its targeting has been actively pursued as a promising therapeutic strategy in GEA. A wealth of clinical trials has been conducted, investigating anti-angiogenic agents including VEGF-directed monoclonal antibodies, small molecules tyrosine kinase inhibitors and VEGF-Trap agents both in the resectable and advanced setting, reporting controversial results. While phase III randomized trials testing the anti-VEGFR-2 antibody Ramucirumab and the selective VEGFR-2 tyrosine kinase inhibitor Apatinib demonstrated a significant survival benefit in later lines, the shift of angiogenesis inhibitors in the perioperative and first-line setting failed to improve patients' outcome in GEAs. The molecular landscape of disease, together with novel combinatorial strategies and biomarker-selected approaches are under investigation as key elements to the success of angiogenesis blockade in GEA. In this article, we critically review the existing literature on the biological rationale and clinical development of antiangiogenic agents in GEA, discussing major achievements, limitations and future developments, aiming at fully realizing the potential of this therapeutic approach.
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Affiliation(s)
- Massimiliano Salati
- Division of Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
- PhD Program Clinical and Experimental Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Francesco Caputo
- Division of Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
| | - Alessandro Bocconi
- Division of Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
| | - Sara Cerri
- Division of Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
| | - Cinzia Baldessari
- Division of Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
| | - Federico Piacentini
- Division of Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
| | - Massimo Dominici
- Division of Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
| | - Fabio Gelsomino
- Division of Oncology, Department of Oncology and Hematology, University Hospital of Modena, Modena, Italy
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Shabani Z, Schuerger J, Su H. Cellular loci involved in the development of brain arteriovenous malformations. Front Hum Neurosci 2022; 16:968369. [PMID: 36211120 PMCID: PMC9532630 DOI: 10.3389/fnhum.2022.968369] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/31/2022] [Indexed: 11/13/2022] Open
Abstract
Brain arteriovenous malformations (bAVMs) are abnormal vessels that are prone to rupture, causing life-threatening intracranial bleeding. The mechanism of bAVM formation is poorly understood. Nevertheless, animal studies revealed that gene mutation in endothelial cells (ECs) and angiogenic stimulation are necessary for bAVM initiation. Evidence collected through analyzing bAVM specimens of human and mouse models indicate that cells other than ECs also are involved in bAVM pathogenesis. Both human and mouse bAVMs vessels showed lower mural cell-coverage, suggesting a role of pericytes and vascular smooth muscle cells (vSMCs) in bAVM pathogenesis. Perivascular astrocytes also are important in maintaining cerebral vascular function and take part in bAVM development. Furthermore, higher inflammatory cytokines in bAVM tissue and blood demonstrate the contribution of inflammatory cells in bAVM progression, and rupture. The goal of this paper is to provide our current understanding of the roles of different cellular loci in bAVM pathogenesis.
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Affiliation(s)
- Zahra Shabani
- Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, United States
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA, United States
| | - Joana Schuerger
- Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, United States
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA, United States
| | - Hua Su
- Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, United States
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA, United States
- *Correspondence: Hua Su, ; orcid.org/0000-0003-1566-9877
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Hu X, Ning X, Zhao Q, Zhang Z, Zhang C, Xie M, Huang W, Cai Y, Xiang Q, Ou C. Islet-1 Mesenchymal Stem Cells-Derived Exosome-Incorporated Angiogenin-1 Hydrogel for Enhanced Acute Myocardial Infarction Therapy. ACS APPLIED MATERIALS & INTERFACES 2022; 14:36289-36303. [PMID: 35920579 DOI: 10.1021/acsami.2c04686] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Although stem cell-derived exosomes have been recognized as new candidates for cell-free treatment in myocardial infarction (MI), the challenge to improve the exosome retention in ischemic tissue remains. Our previous research indicated that islet-1(ISL1) overexpression enhances the paracrine function of mesenchymal stem cells (MSCs) and promotes angiogenesis in a model of MI. In this study, genetically engineered ISL1-MSC-derived exosomes (ISL1-MSCs-Exo) were collected, and the contents were analyzed by exosomal RNA sequencing. Next, we investigated if ISL1-MSCs-Exo could exert therapeutic effects and their incorporation into a new angiogenin-1 hydrogel (Ang-1 gel) could boost the retention of exosomes and further enhance their protective effects. Our results demonstrated that ISL1-MSCs-Exo could play a therapeutic role in vitro and in vivo, which might be due to changed exosomal contents. Ang-1 gel increased the retention and enhanced the anti-apoptosis, proliferation, and angiogenic capacity of ISL1-MSCs-Exo in endothelial cells. Echocardiography revealed that Ang-1 gel significantly augment the therapeutic effects of ISL1-MSCs-Exo for MI. The main mechanism might result from increased retention of ISL1-MSCs-Exo, herein enhanced pro-angiogenetic effects in an ischemic heart. Taken together, our findings indicated that ISL1-MSCs-Exo had endothelium-protective and pro-angiogenic abilities alone and Ang-1 gel could notably retain ISL1-MSCs-Exo at ischemic sites, which improved the survival and angiogenesis of endothelial cells and accelerated the recovery of MI. These results not only shed light on the therapeutic mechanism of ISL1-MSCs-Exo incorporated with Ang-1 gel but also offer a promising therapeutic option for ischemic disease.
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Affiliation(s)
- Xinyi Hu
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Sino-Japanese Cooperation Platform for Translational Research in Heart Failure, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510080, China
| | - Xiaodong Ning
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Sino-Japanese Cooperation Platform for Translational Research in Heart Failure, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510080, China
| | - Qianqian Zhao
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Zhen Zhang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Chi Zhang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Manting Xie
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Weijun Huang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Yanbin Cai
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Sino-Japanese Cooperation Platform for Translational Research in Heart Failure, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510080, China
| | - Qiuling Xiang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Caiwen Ou
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Dongguan Hospital of Southern Medical University, Southern Medical University, Guangzhou, Guangdong 510080, China
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Inflammation-mediated matrix remodeling of extracellular matrix-mimicking biomaterials in tissue engineering and regenerative medicine. Acta Biomater 2022; 151:106-117. [PMID: 35970482 DOI: 10.1016/j.actbio.2022.08.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 06/30/2022] [Accepted: 08/08/2022] [Indexed: 12/12/2022]
Abstract
Extracellular matrix (ECM)-mimicking biomaterials are considered effective tissue-engineered scaffolds for regenerative medicine because of their biocompatibility, biodegradability, and bioactivity. ECM-mimicking biomaterials preserve natural microstructures and matrix-related bioactive components and undergo continuous matrix remodeling upon transplantation. The interaction between host immune cells and transplanted ECM-mimicking biomaterials has attracted considerable attention in recent years. Transplantation of biomaterials may initiate injuries and early pro-inflammation reactions characterized by infiltration of neutrophils and M1 macrophages. Pro-inflammation reactions may lead to degradation of the transplanted biomaterial and drive the matrix into a fetal-like state. ECM degradation leads to the release of matrix-related bioactive components that act as signals for cell migration, proliferation, and differentiation. In late stages, pro-inflammatory cells fade away, and anti-inflammatory cells emerge, which involves macrophage polarization to the M2 phenotype and leukocyte activation to T helper 2 (Th2) cells. These anti-inflammatory cells interact with each other to facilitate matrix deposition and tissue reconstruction. Deposited ECM molecules serve as vital components of the mature tissue and influence tissue homeostasis. However, dysregulation of matrix remodeling results in several pathological conditions, such as aggressive inflammation, difficult healing, and non-functional fibrosis. In this review, we summarize the characteristics of inflammatory responses in matrix remodeling after transplantation of ECM-mimicking biomaterials. Additionally, we discuss the intrinsic linkages between matrix remodeling and tissue regeneration. STATEMENT OF SIGNIFICANCE: Extracellular matrix (ECM)-mimicking biomaterials are effectively used as scaffolds in tissue engineering and regenerative medicine. However, dysregulation of matrix remodeling can cause various pathological conditions. Here, the review describes the characteristics of inflammatory responses in matrix remodeling after transplantation of ECM-mimicking biomaterials. Additionally, we discuss the intrinsic linkages between matrix remodeling and tissue regeneration. We believe that understanding host immune responses to matrix remodeling of transplanted biomaterials is important for directing effective tissue regeneration of ECM-mimicking biomaterials. Considering the close relationship between immune response and matrix remodeling results, we highlight the need for studies of the effects of clinical characteristics on matrix remodeling of transplanted biomaterials.
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The Provenance, Providence, and Position of Endothelial Cells in Injured Spinal Cord Vascular Pathology. Cell Mol Neurobiol 2022; 43:1519-1535. [PMID: 35945301 DOI: 10.1007/s10571-022-01266-9] [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: 01/06/2022] [Accepted: 07/21/2022] [Indexed: 11/03/2022]
Abstract
Endothelial cells (ECs) and pericytes are present in all blood vessels. Their position confers an important role in controlling oxygen and nutrient transportation to the different organs. ECs can adopt different morphologies based on their need and functions. Both ECs and pericytes express different surface markers that help in their identification, but heterogeneity and overlapping between markers among different cells pose a challenge for their precise identification. Spatiotemporal association of ECs and pericytes have great importance in sprout formation and vessel stabilization. Any traumatic injury in CNS may lead to vascular damage along with neuronal damage. Hence, ECs-pericyte interaction by physical contact and paracrine molecules is crucial in recovering the epicenter region by promoting angiogenesis. ECs can transform into other types of cells through endothelial-mesenchymal transition (EndMT), promoting wound healing in the epicenter region. Various signaling pathways mediate the interaction of ECs with pericytes that have an extensive role in angiogenesis. In this review, we discussed ECs and pericytes surface markers, the spatiotemporal association and interaction of ECs-pericytes, and signaling associated with the pathology of traumatic SCI. Linking the brain or spinal cord-specific pathologies and human vascular pathology will pave the way toward identifying new therapeutic targets and developing innovative preventive strategies. Endothelial-pericyte interaction strategic for formation of functional neo-vessels that are crucial for neurological recovery.
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88
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Moradi SZ, Jalili F, Hoseinkhani Z, Mansouri K. Regenerative Medicine and Angiogenesis; Focused on Cardiovascular Disease. Adv Pharm Bull 2022; 12:686-699. [PMID: 36415645 PMCID: PMC9675929 DOI: 10.34172/apb.2022.072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 03/26/2021] [Accepted: 09/27/2021] [Indexed: 10/11/2023] Open
Abstract
Cardiovascular disease (CVD) is a major concern for health with high mortality rates around the world. CVD is often associated with partial or full occlusion of the blood vessel network. Changes in lifestyle can be useful for management early-stage disease but in the advanced stage, surgical interventions or pharmacological are needed to increase the blood flow through the affected tissue or to reduce the energy requirements. Regeneration medicine is a new science that has provided many different options for treating various diseases, especially in CVD over the years. Stem cell therapy, gene therapy, and tissue engineering are some of the powerful branches of the field that have given patients great hope in improving their condition. In this review, we attempted to examine the beneficial effects, challenges, and contradictory effects of angiogenesis in vivo, and in vitro models' studies of CVD. We hope that this information will be able to help other researchers to design new effective structures and open new avenues for the treatment of CVD with the help of angiogenesis and regeneration medicine in the future.
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Affiliation(s)
- Seyed Zachariah Moradi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Faramarz Jalili
- Gradute Studies Student, Sobey School of Business, Saint Mary‚S University, Halifax, NS,Canada
| | - Zohreh Hoseinkhani
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Kamran Mansouri
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Molecular Medicine Department, Faculty of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Dong S, Li Z, Kong J, Wu S, Gao J, Sun W. Arsenic trioxide inhibits angiogenesis of hepatocellular carcinoma after insufficient radiofrequency ablation via blocking paracrine angiopoietin-1 and angiopoietin-2. Int J Hyperthermia 2022; 39:888-896. [PMID: 35848416 DOI: 10.1080/02656736.2022.2093995] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
OBJECTIVES Angiogenesis occurs during tumor progression of hepatocellular carcinoma (HCC) after insufficient radiofrequency ablation (RFA). Arsenic trioxide (ATO) shows promising therapeutic potential in advanced HCC. Whether ATO regulates angiogenesis and can be used to prevent tumor progression in HCC after insufficient RFA is still unknown. METHODS Insufficient RFA was simulated using a water bath. MTT assay and tube formation assay were used to evaluate the effects of ATO on viability and proangiogenic abilities of SMMC7721 and HepG2 cells after insufficient RFA in vitro. The molecular changes with the treatment of ATO were evaluated through Western blot. An ectopic nude mice model was used to evaluate the effect of ATO on the tumor of SMMC7721 cells in vivo after insufficient RFA. RESULTS In this study, HepG2 and SMMC7721 cells after insufficient RFA (named HepG2-H and SMMC7721-H, respectively) showed higher proliferation than the untreated cells and promoted tube formation of endothelial cells in a paracrine manner. ATO eliminated the difference in proliferation between untreated and RFA-treated cells and suppressed angiogenesis induced by HCC cells after insufficient RFA through the Ang-1 (angiopoietin-1)/Ang-2 (angiopoietin-2)/Tie2 pathway. Hif-1α overexpression abolished the inhibitory effect of ATO on angiogenesis in HCC after insufficient RFA. ATO inhibited tumor growth and angiogenesis in HCC after insufficient RFA. CONCLUSIONS Our results demonstrate that ATO blocks the paracrine signaling of Ang-1 and Ang-2 by inhibiting p-Akt/Hif-1α and further suppresses the angiogenesis of HCC after insufficient RFA.
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Affiliation(s)
- Shuying Dong
- Department of Hepatobiliary Surgery, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
| | - Zhuxin Li
- Department of Hepatobiliary Surgery, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
| | - Jian Kong
- Department of Hepatobiliary Surgery, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
| | - Shilun Wu
- Department of Hepatobiliary Surgery, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
| | - Jun Gao
- Department of Hepatobiliary Surgery, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
| | - Wenbing Sun
- Department of Hepatobiliary Surgery, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
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Ionescu C, Oprea B, Ciobanu G, Georgescu M, Bică R, Mateescu GO, Huseynova F, Barragan-Montero V. The Angiogenic Balance and Its Implications in Cancer and Cardiovascular Diseases: An Overview. Medicina (B Aires) 2022; 58:medicina58070903. [PMID: 35888622 PMCID: PMC9316440 DOI: 10.3390/medicina58070903] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 12/12/2022] Open
Abstract
Angiogenesis is the process of developing new blood vessels from pre-existing ones. This review summarizes the main features of physiological and pathological angiogenesis and those of angiogenesis activation and inhibition. In healthy adults, angiogenesis is absent apart from its involvement in female reproductive functions and tissue regeneration. Angiogenesis is a complex process regulated by the action of specific activators and inhibitors. In certain diseases, modulating the angiogenic balance can be a therapeutic route, either by inhibiting angiogenesis (for example in the case of tumor angiogenesis), or by trying to activate the process of new blood vessels formation, which is the goal in case of cardiac or peripheral ischemia.
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Affiliation(s)
- Cătălina Ionescu
- Department of Chemistry, Faculty of Sciences, University of Craiova, 107i Calea București, 200144 Craiova, Romania;
- Correspondence: (C.I.); (B.O.)
| | - Bogdan Oprea
- Histology Department, University of Medicine and Pharmacy, 2-4 Petru Rares, 200349 Craiova, Romania;
- Correspondence: (C.I.); (B.O.)
| | - Georgeta Ciobanu
- Department of Chemistry, Faculty of Sciences, University of Craiova, 107i Calea București, 200144 Craiova, Romania;
| | - Milena Georgescu
- Clinic for Plastic Surgery and Burns, County Emergency Hospital Craiova, 200642 Craiova, Romania;
| | - Ramona Bică
- General Hospital—“Victor Babes”, 281 Mihai Bravu St., Sector III, 030303 Bucharest, Romania;
| | - Garofiţa-Olivia Mateescu
- Histology Department, University of Medicine and Pharmacy, 2-4 Petru Rares, 200349 Craiova, Romania;
| | - Fidan Huseynova
- LBN, University of Montpellier, 34193 Montpellier, France; (F.H.); (V.B.-M.)
- Institute of Molecular Biology and Biotechnologies, Azerbaïjan National Academy of Sciences (ANAS), AZ1073 Baku, Azerbaijan
- Department of Histology, Cytology and Embryology, Azerbaijan Medical University, AZ1078 Baku, Azerbaijan
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High-Fat Diet Alters the Retinal Pigment Epithelium and Choroidal Transcriptome in the Absence of Gut Microbiota. Cells 2022; 11:cells11132076. [PMID: 35805160 PMCID: PMC9266037 DOI: 10.3390/cells11132076] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/22/2022] [Accepted: 06/22/2022] [Indexed: 02/04/2023] Open
Abstract
Relationships between retinal disease, diet, and the gut microbiome have started to emerge. In particular, high-fat diets (HFDs) are associated with the prevalence and progression of several retinal diseases, including age-related macular degeneration (AMD) and diabetic retinopathy (DR). These effects are thought to be partly mediated by the gut microbiome, which modulates interactions between diet and host homeostasis. Nevertheless, the effects of HFDs on the retina and adjacent retinal pigment epithelium (RPE) and choroid at the transcriptional level, independent of gut microbiota, are not well-understood. In this study, we performed the high-throughput RNA-sequencing of germ-free (GF) mice to explore the transcriptional changes induced by HFD in the RPE/choroid. After filtering and cleaning the data, 649 differentially expressed genes (DEGs) were identified, with 616 genes transcriptionally upregulated and 33 genes downregulated by HFD compared to a normal diet (ND). Enrichment analysis for gene ontology (GO) using the DEGs was performed to analyze over-represented biological processes in the RPE/choroid of GF-HFD mice relative to GF-ND mice. GO analysis revealed the upregulation of processes related to angiogenesis, immune response, and the inflammatory response. Additionally, molecular functions that were altered involved extracellular matrix (ECM) binding, ECM structural constituents, and heparin binding. This study demonstrates novel data showing that HFDs can alter RPE/choroid tissue transcription in the absence of the gut microbiome.
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HSPA12A Stimulates p38/ERK-AP-1 Signaling to Promote Angiogenesis and Is Required for Functional Recovery Postmyocardial Infarction. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2333848. [PMID: 35783189 PMCID: PMC9247843 DOI: 10.1155/2022/2333848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 05/18/2022] [Accepted: 05/26/2022] [Indexed: 11/17/2022]
Abstract
Angiogenesis plays a critical role in wound healing postmyocardial infarction (MI). However, there is still a lack of ideal angiogenic therapeutics for rescuing ischemic hearts clinically, suggesting that a more understanding regarding angiogenesis regulation is urgently needed. Heat shock protein A12A (HSPA12A) is an atypical member of the HSP70 family. Here, we demonstrated that HSPA12A was upregulated during endothelial tube formation, a characteristic of in vitro angiogenesis. Intriguingly, overexpression of HSPA12A promoted in vitro angiogenic characteristics including proliferation, migration, and tube formation of endothelial cells. By contrast, deficiency of HSPA12A impaired myocardial angiogenesis and worsened cardiac dysfunction post-MI in mice. The expression of genes related to angiogenesis (VEGF, VEGFR2, and Ang-1) was decreased by HSPA12A deficiency in MI hearts of mice, whereas their expression was increased by HSPA12A overexpression in endothelial cells. HSPA12A overexpression in endothelial cells increased phosphorylation levels and nuclear localization of AP-1, a transcription factor dominating angiogenic gene expression. Also, HSPA12A increased p38 and ERK phosphorylation levels, whereas inhibition of p38 or ERKs diminished the HSPA12A-promoted AP-1 phosphorylation and nuclear localization, as well as VEGF and VEGFR2 expression in endothelial cells. Notably, inhibition of either p38 or ERKs diminished the HSPA12A-promoted in vitro angiogenesis characteristics. The findings identified HSPA12A as a novel angiogenesis activator, and HSPA12A might represent a viable strategy for the management of myocardial healing in patients with ischemic heart diseases.
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93
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Dai XY, Ren LJ, Yan L, Zhang JQZ, Dong YF, Qing TL, Shi WJ, Li JF, Gao FY, Zhang XF, Tian YJ, Zhu YP, Zhu JB, Chen JK. Vascular toxicity of multi-walled carbon nanotubes targeting vascular endothelial growth factor. Nanotoxicology 2022; 16:597-609. [PMID: 36151876 DOI: 10.1080/17435390.2022.2125849] [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: 01/04/2023]
Abstract
Multiwalled carbon nanotubes (MWCNTs) are currently widely used and are expected to be used as drug carriers and contrast agents in clinical practice. Previous studies mainly focused on their lung toxicity; therefore, their effects on the vascular endothelium are unclear. In this study, a human angiogenesis array was used to determine the effect of MWCNTs on the expression profile of angiogenic factors in endothelial cells and to clarify the role of vascular endothelial growth factor (VEGF) in MWCNT-induced endothelial cell injury at the cellular and animal levels. The results indicated that MWCNTs (20-30 nm and 30-50 nm) could enter endothelial cells and disrupt human umbilical vein endothelial cell (HUVECs) activity in a concentration-dependent manner. MWCNTs disrupted the tube formation ability and cell migration function of HUVECs. The results from a Matrigel Plug experiment in mice showed that angiogenesis in the MWCNT experimental group was significantly reduced. The results of a protein chip analysis indicated that VEGF expression in the MWCNT treatment group was decreased, a finding that was validated by ELISA results. The protein expression levels of AKT and eNOS in the MWCNT treatment group were significantly decreased; the administration of recombinant VEGF significantly alleviated the migration ability and tube formation ability of endothelial cells injured by MWCNTs, upregulated the protein expression of AKT and eNOS, and increased the number of neovascularization in mice in the MWCNT treatment group. This study demonstrated that MWCNTs affect angiogenesis via the VEGF-Akt-eNOS axis which can be rescued by VEGF endothelial treatment.
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Affiliation(s)
- Xiao-Yu Dai
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Li-Jun Ren
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Lang Yan
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Ji-Qian-Zhu Zhang
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Yi-Fan Dong
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Tao-Lin Qing
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Wen-Jing Shi
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Jin-Feng Li
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Fang-Yuan Gao
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Xiao-Fang Zhang
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Yi-Jun Tian
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Yu-Ping Zhu
- Basic Medical Experimental Teaching Center, Basic Medical College, Second Military Medical University, Shanghai, China
| | - Jiang-Bo Zhu
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Ji-Kuai Chen
- Department of Health Toxicology, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
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94
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Kim HJ, Ji YR, Lee YM. Crosstalk between angiogenesis and immune regulation in the tumor microenvironment. Arch Pharm Res 2022; 45:401-416. [PMID: 35759090 PMCID: PMC9250479 DOI: 10.1007/s12272-022-01389-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 05/25/2022] [Indexed: 12/15/2022]
Abstract
Cancer creates a complex tumor microenvironment (TME) composed of immune cells, stromal cells, blood vessels, and various other cellular and extracellular elements. It is essential for the development of anti-cancer combination therapies to understand and overcome this high heterogeneity and complexity as well as the dynamic interactions between them within the TME. Recent treatment strategies incorporating immune-checkpoint inhibitors and anti-angiogenic agents have brought many changes and advances in clinical cancer treatment. However, there are still challenges for immune suppressive tumors, which are characterized by a lack of T cell infiltration and treatment resistance. In this review, we will investigate the crosstalk between immunity and angiogenesis in the TME. In addition, we will look at strategies designed to enhance anti-cancer immunity, to convert "immune suppressive tumors" into "immune activating tumors," and the mechanisms by which these strategies enhance effector immune cell infiltration.
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Affiliation(s)
- Hei Jung Kim
- Vessel-Organ Interaction Research Center, VOICE (MRC), Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Young Rae Ji
- National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, USA
| | - You Mie Lee
- Vessel-Organ Interaction Research Center, VOICE (MRC), Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea.
- Department of Molecular Pathophysiology, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea.
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95
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Lau TY, Kwan HY. Fucoxanthin Is a Potential Therapeutic Agent for the Treatment of Breast Cancer. Mar Drugs 2022; 20:md20060370. [PMID: 35736173 PMCID: PMC9229252 DOI: 10.3390/md20060370] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 12/04/2022] Open
Abstract
Breast cancer (BC) is one of the most common cancers diagnosed and the leading cause of cancer-related death in women. Although there are first-line treatments for BC, drug resistances and adverse events have been reported. Given the incidence of BC keeps increasing, seeking novel therapeutics is urgently needed. Fucoxanthin (Fx) is a dietary carotenoid commonly found in seaweeds and diatoms. Both in vitro and in vivo studies show that Fx and its deacetylated metabolite fucoxanthinol (Fxol) inhibit and prevent BC growth. The NF-κB signaling pathway is considered the major pathway contributing to the anti-proliferation, anti-angiogenesis and pro-apoptotic effects of Fx and Fxol. Other signaling molecules such as MAPK, MMP2/9, CYP and ROS are also involved in the anti-cancer effects by regulating the tumor microenvironment, cancer metastasis, carcinogen metabolism and oxidation. Besides, Fx also possesses anti-obesity effects by regulating UCP1 levels and lipid metabolism, which may help to reduce BC risk. More importantly, mounting evidence demonstrates that Fx overcomes drug resistance. This review aims to give an updated summary of the anti-cancer effects of Fx and summarize the underlying mechanisms of action, which will provide novel strategies for the development of Fx as an anti-cancer therapeutic agent.
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96
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Khan D, Naderi S, Ahmadi M, Ghorbani A, Cornelius JF, Hänggi D, Muhammad S. Intracranial Aneurysm Rupture after SARS-CoV2 Infection: Case Report and Review of Literature. Pathogens 2022; 11:pathogens11060617. [PMID: 35745471 PMCID: PMC9227511 DOI: 10.3390/pathogens11060617] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/18/2022] [Accepted: 05/21/2022] [Indexed: 01/08/2023] Open
Abstract
Background: SARS-CoV virus infection results in a dysbalanced and severe inflammatory response with hypercytokinemia and immunodepression. Viral infection triggers systemic inflammation and the virus itself can potentially cause vascular damage, including blood–brain barrier (BBB) disruption and alterations in the coagulation system, which may result in cardiovascular and neurovascular events. Here, we review the literature and present a case of COVID-19 infection leading to an aneurysmal subarachnoid haemorrhage (aSAH). Case Description: A 61-year-old woman presented with dyspnea, cough, and fever. She had a history of hypertension and was overweight with a body mass-index of 34. There was no history of subarachnoid hemorrhage in the family. Due to low oxygen saturation (89%) she was admitted into ICU. A chest CT showed a typical picture of COVID-19 pneumonia. The PCR-based test of an oropharyngeal swab was COVID-19-positive. In addition to oxygen support she was prescribed with favipiravir and hydroxychloroquine. She experienced a sudden headache and lost consciousness on the second day. Computer tomography (CT) with CT-angiography revealed a subarachnoid haemorrhage in the basal cisterns from a ruptured anterior communicating artery aneurysm. The aneurysm was clipped microsurgically through a left-sided standard pterional approach and the patient was admitted again to the intensive care unit for further intensive medical treatment. Post-operatively, the patient showed slight motor dysphasia. No other neurological deficits. Conclusion: Systemic inflammation and ventilator support-associated blood pressure fluctuations may trigger aneurysmal subarachnoid haemorrhage secondary to COVID-19 infection. COVID-19 infection could be considered as one of the possible risk factors leading to instability and rupture of intracranial aneurysm.
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Affiliation(s)
- Dilaware Khan
- Department of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Moorenstrasse 5, 40225 Düsseldorf, Germany; (D.K.); (J.F.C.); (D.H.)
| | - Soheil Naderi
- Department of Neurosurgery, Imam Khomeini Hospital, Tehran University of Medical Science, Tehran 1419733141, Iran; (S.N.); (M.A.)
| | - Mostafa Ahmadi
- Department of Neurosurgery, Imam Khomeini Hospital, Tehran University of Medical Science, Tehran 1419733141, Iran; (S.N.); (M.A.)
| | - Askar Ghorbani
- Department of Neurology, Tehran University of Medical Sciences, Tehran 1419733141, Iran;
| | - Jan Frederick Cornelius
- Department of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Moorenstrasse 5, 40225 Düsseldorf, Germany; (D.K.); (J.F.C.); (D.H.)
| | - Daniel Hänggi
- Department of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Moorenstrasse 5, 40225 Düsseldorf, Germany; (D.K.); (J.F.C.); (D.H.)
| | - Sajjad Muhammad
- Department of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Moorenstrasse 5, 40225 Düsseldorf, Germany; (D.K.); (J.F.C.); (D.H.)
- Department of Neurosurgery, University Hospital Helsinki, Topeliuksenkatu 5, 00260 Helsinki, Finland
- Correspondence: ; Tel.: +49-15168-460755 or +49-21181-07823
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97
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Ranjbar K. Improved Cardiac Function Following Ischemia Reperfusion Injury Using Exercise Preconditioning and L-Arginine Supplementation via Oxidative Stress Mitigation and Angiogenesis Amelioration. Cardiovasc Toxicol 2022; 22:736-745. [DOI: 10.1007/s12012-022-09752-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 05/06/2022] [Indexed: 11/30/2022]
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98
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Zhou J, Hu Y, Zhu W, Nie C, Zhao W, Faje AT, Labelle KE, Swearingen B, Lee H, Hedley-Whyte ET, Zhang X, Jones PS, Miller KK, Klibanski A, Zhou Y, Soberman RJ. Sprouting Angiogenesis in Human Pituitary Adenomas. Front Oncol 2022; 12:875219. [PMID: 35600354 PMCID: PMC9117625 DOI: 10.3389/fonc.2022.875219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/05/2022] [Indexed: 11/26/2022] Open
Abstract
Introduction Angiogenesis in pituitary tumors is not fully understood, and a better understanding could help inform new pharmacologic therapies, particularly for aggressive pituitary tumors. Materials and Methods 219 human pituitary tumors and 12 normal pituitary glands were studied. Angiogenic genes were quantified by an angiogenesis qPCR array and a TaqMan probe-based absolute qPCR. Angiogenesis inhibition in pituitary tumors was evaluated in vitro with the endothelial tube formation assay and in vivo in RbΔ19 mice. Results 71 angiogenic genes, 40 of which are known to be involved in sprouting angiogenesis, were differentially expressed in pituitary tumors. Expression of endothelial markers CD31, CD34, and ENG was significantly higher in pituitary tumors, by 5.6, 22.3, and 8.2-fold, respectively, compared to in normal pituitary tissue. There was no significant difference in levels of the lymphatic endothelial marker LYVE1 in pituitary tumors compared with normal pituitary gland tissue. Pituitary tumors also expressed significantly higher levels of angiogenesis growth factors, including VEGFA (4.2-fold), VEGFB (2.2), VEGFC (19.3), PGF (13.4), ANGPT2 (9.2), PDGFA (2.7), PDGFB (10.5) and TGFB1 (3.8) compared to normal pituitary tissue. Expression of VEGFC and PGF was highly correlated with the expression of endothelial markers in tumor samples, including CD31, CD34, and ENG (endoglin, a co-receptor for TGFβ). Furthermore, VEGFR inhibitors inhibited angiogenesis induced by human pituitary tumors and prolonged survival of RbΔ19 mice. Conclusion Human pituitary tumors are characterized by more active angiogenesis than normal pituitary gland tissue in a manner consistent with sprouting angiogenesis. Angiogenesis in pituitary tumors is regulated mainly by PGF and VEGFC, not VEGFA and VEGFB. Angiogenesis inhibitors, such as the VEGFR2 inhibitor cabozantinib, may merit further investigation as therapies for aggressive human pituitary tumors.
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Affiliation(s)
- Jie Zhou
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Yaomin Hu
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Wende Zhu
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Chuansheng Nie
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Wenxiu Zhao
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Alexander T. Faje
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Kay E. Labelle
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Brooke Swearingen
- Neurosurgery Department, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Hang Lee
- Biostatistics Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - E. Tessa Hedley-Whyte
- Department of Pathology (Neuropathology), Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Xun Zhang
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Pamela S. Jones
- Neurosurgery Department, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Karen K. Miller
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Anne Klibanski
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Yunli Zhou
- Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
- *Correspondence: Yunli Zhou,
| | - Roy J. Soberman
- Nephrology Division, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
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99
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AT2R activation increases in vitro angiogenesis in pregnant human uterine artery endothelial cells. PLoS One 2022; 17:e0267826. [PMID: 35486619 PMCID: PMC9053770 DOI: 10.1371/journal.pone.0267826] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 04/15/2022] [Indexed: 12/04/2022] Open
Abstract
Angiogenesis is vital during pregnancy for remodeling and enhancing vasodilation of maternal uterine arteries, and increasing uterine blood flow. Abnormal angiogenesis is associated with decreased uteroplacental blood flow and development of pregnancy disorders such as gestational hypertension, preeclampsia, fetal growth restriction, preterm delivery, stillbirth, and miscarriage. The mechanisms that contribute to normal angiogenesis remain obscure. Our previous studies demonstrated that expression of the angiotensin type 2 receptor (AT2R) is increased while the angiotensin type 1 receptor (AT1R) is unchanged in the endothelium of uterine arteries, and that AT2R-mediated pregnancy adaptation facilitates enhanced vasodilation and uterine arterial blood flow. However, the role of AT2R in regulating angiogenesis during pregnancy has never been studied. This study examines whether or not AT2R activation induces angiogenesis and, if so, what mechanisms are involved. To this end, we used primary human uterine artery endothelial cells (hUAECs) isolated from pregnant and nonpregnant women undergoing hysterectomy. The present study shows that Compound 21, a selective AT2R agonist, induced proliferation of pregnant-hUAECs, but not nonpregnant-hUAECs, in a concentration-dependent manner, and that this C21-induced mitogenic effect was blocked by PD123319, a selective AT2R antagonist. The mitogenic effects induced by C21 were inhibited by blocking JNK—but not ERK, PI3K, and p38—signaling pathways. In addition, C21 concentration dependently increased cell migration and capillary-like tube formation in pregnant-hUAECs. The membrane-based antibody array showed that C21 increased expression of multiple angiogenic proteins, including EGF, bFGF, leptin, PLGF, IGF-1, and angiopoietins. Our qPCR analysis demonstrates that C21-induced increase in expression of these angiogenic proteins correlates with a proportional increase in mRNA expression, indicating that AT2R activates angiogenic proteins at the transcriptional level. In summary, the present study shows that AT2R activation induces angiogenesis of hUAECs in a pregnancy-specific manner through JNK-mediated pathways with associated transcriptional upregulation of multiple proangiogenic proteins.
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100
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Yang Y, Xiao Q, Yin J, Li C, Yu D, He Y, Yang Z, Wang G. Med23 supports angiogenesis and maintains vascular integrity through negative regulation of angiopoietin2 expression. Commun Biol 2022; 5:374. [PMID: 35440711 PMCID: PMC9019027 DOI: 10.1038/s42003-022-03332-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 03/30/2022] [Indexed: 01/17/2023] Open
Abstract
The mammalian Mediator complex consists of over 30 subunits and functions as a transcriptional hub integrating signaling for tissue-specific gene expression. Although the role of the Mediator complex in transcription has been extensively investigated, the functions of distinct Mediator subunits in development are not well understood. Here, we dissected the role of the Mediator subunit Med23 in mouse cardiovascular development. Endothelial-specific Med23 deletion caused embryonic lethality before embryonic day 13.5 (E13.5). The mutant embryos exhibited intracranial hemorrhage and diminished angiogenesis with dilated blood vessels in the head region, where the expression of Med23 was abundant at E10.5. Med23 deficiency impaired vasculogenesis in the head region and impeded retinal angiogenesis. Knocking down Med23 in human umbilical vein endothelial cells (HUVECs) resulted in angiogenic defects, recapitulating the vascular defects in Med23-mutant mice in a cell-autonomous manner. RNA sequencing in HUVECs indicated that Med23 deficiency resulted in the interruption of angiogenesis and the upregulation of angiopoietin2 (Ang2), an inducing factor for vascular network instability. Inhibition of Ang2 partially rescued angiogenic sprouting and lumen dilation defects in tube formation assays. Collectively, our findings demonstrate that Med23 promotes angiogenesis and maintains vascular integrity, in part by suppressing Ang2 signaling.
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Affiliation(s)
- Yenan Yang
- State Key Laboratory of Genetic Engineering, School of Life Sciences and Zhongshan Hospital, Fudan University, Shanghai, 200438, China
| | - Qi Xiao
- The Ministry of Education Key Laboratory of Model Animal for Disease Study, Nanjing Biomedical Research Institute, Nanjing University, Nanjing, 210061, China
| | - Jingwen Yin
- Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, 92037, USA
| | - Chonghui Li
- State Key Laboratory of Cell Biology, Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Decai Yu
- Department of Hepatobiliary Surgery, the Affiliated Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, China
| | - Yulong He
- Laboratory of Vascular and Cancer Biology, Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, the First Affiliated Hospital, Soochow University, Suzhou, China
| | - Zhongzhou Yang
- Department of Cardiology, State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School of Nanjing University, Nanjing, 210093, China.
| | - Gang Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences and Zhongshan Hospital, Fudan University, Shanghai, 200438, China.
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