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Hou H, Li J, Wang J, Hou R, Li J, Zhang K. Abnormal dermal microvascular endothelial cells in psoriatic excessive angiogenesis. Microvasc Res 2024; 155:104718. [PMID: 39019108 DOI: 10.1016/j.mvr.2024.104718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 07/04/2024] [Accepted: 07/14/2024] [Indexed: 07/19/2024]
Abstract
Psoriasis is characterized by excessive angiogenesis, with increased distortion and dilation of the dermal blood vessels. These vascular alterations are ascribed, at least in part, to the changes in dermal microvascular endothelial cell functions. However, despite the recognition of vascular normalization as an emerging strategy for the treatment of psoriasis, in-depth studies of human dermal microvascular endothelial cells (HDMECs) have been missing. The difficulty of isolation and culture of HDMECs has impeded the study of endothelial dysfunction in psoriasis. Researchers have done a great deal of work to study the abnormal characteristics of keratinocytes, fibroblasts, and leukocytes in psoriatic skin tissue. Recently, with successful isolation of HDMECs from psoriasis, great progress has been made in the elucidation of the pathogenic role of these cells in psoriasis. It is of great therapeutic significance to study the molecular mechanism of HDMECs in psoriasis. We review here the abnormalities of HDMECs in psoriasis.
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Affiliation(s)
- Hui Hou
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, No. 5 Dong San Dao Xiang, Jiefang Road, Taiyuan 030009, Shanxi Province, China
| | - Jiao Li
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, No. 5 Dong San Dao Xiang, Jiefang Road, Taiyuan 030009, Shanxi Province, China
| | - Juanjuan Wang
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, No. 5 Dong San Dao Xiang, Jiefang Road, Taiyuan 030009, Shanxi Province, China
| | - Ruixia Hou
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, No. 5 Dong San Dao Xiang, Jiefang Road, Taiyuan 030009, Shanxi Province, China
| | - Junqin Li
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, No. 5 Dong San Dao Xiang, Jiefang Road, Taiyuan 030009, Shanxi Province, China
| | - Kaiming Zhang
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, No. 5 Dong San Dao Xiang, Jiefang Road, Taiyuan 030009, Shanxi Province, China.
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Chen-Li G, Martinez-Archer R, Coghi A, Roca JA, Rodriguez FJ, Acaba-Berrocal L, Berrocal MH, Wu L. Beyond VEGF: Angiopoietin-Tie Signaling Pathway in Diabetic Retinopathy. J Clin Med 2024; 13:2778. [PMID: 38792322 PMCID: PMC11122151 DOI: 10.3390/jcm13102778] [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: 02/26/2024] [Revised: 04/12/2024] [Accepted: 04/30/2024] [Indexed: 05/26/2024] Open
Abstract
Complications from diabetic retinopathy such as diabetic macular edema (DME) and proliferative diabetic retinopathy (PDR) constitute leading causes of preventable vision loss in working-age patients. Since vascular endothelial growth factor (VEGF) plays a major role in the pathogenesis of these complications, VEGF inhibitors have been the cornerstone of their treatment. Anti-VEGF monotherapy is an effective but burdensome treatment for DME. However, due to the intensive and burdensome treatment, most patients in routine clinical practice are undertreated, and therefore, their outcomes are compromised. Even in adequately treated patients, persistent DME is reported anywhere from 30% to 60% depending on the drug used. PDR is currently treated by anti-VEGF, panretinal photocoagulation (PRP) or a combination of both. Similarly, a number of eyes, despite these treatments, continue to progress to tractional retinal detachment and vitreous hemorrhage. Clearly there are other molecular pathways other than VEGF involved in the pathogenesis of DME and PDR. One of these pathways is the angiopoietin-Tie signaling pathway. Angiopoietin 1 (Ang1) plays a major role in maintaining vascular quiescence and stability. It acts as a molecular brake against vascular destabilization and inflammation that is usually promoted by angiopoietin 2 (Ang2). Several pathological conditions including chronic hyperglycemia lead to Ang2 upregulation. Recent regulatory approval of the bi-specific antibody, faricimab, may improve long term outcomes in DME. It targets both the Ang/Tie and VEGF pathways. The YOSEMITE and RHINE were multicenter, double-masked, randomized non-inferiority phase 3 clinical trials that compared faricimab to aflibercept in eyes with center-involved DME. At 12 months of follow-up, faricimab demonstrated non-inferior vision gains, improved anatomic outcomes and a potential for extended dosing when compared to aflibercept. The 2-year results of the YOSEMITE and RHINE trials demonstrated that the anatomic and functional results obtained at the 1 year follow-up were maintained. Short term outcomes of previously treated and treatment-naive eyes with DME that were treated with faricimab during routine clinical practice suggest a beneficial effect of faricimab over other agents. Targeting of Ang2 has been reported by several other means including VE-PTP inhibitors, integrin binding peptide and surrobodies.
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Affiliation(s)
- Genesis Chen-Li
- Asociados de Mácula Vitreo y Retina de Costa Rica, San José 60612, Costa Rica (R.M.-A.); (A.C.)
| | - Rebeca Martinez-Archer
- Asociados de Mácula Vitreo y Retina de Costa Rica, San José 60612, Costa Rica (R.M.-A.); (A.C.)
| | - Andres Coghi
- Asociados de Mácula Vitreo y Retina de Costa Rica, San José 60612, Costa Rica (R.M.-A.); (A.C.)
| | | | | | - Luis Acaba-Berrocal
- Department of Ophthalmology, Illinois Eye and Ear Infirmary, School of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
| | | | - Lihteh Wu
- Asociados de Mácula Vitreo y Retina de Costa Rica, San José 60612, Costa Rica (R.M.-A.); (A.C.)
- Department of Ophthalmology, Illinois Eye and Ear Infirmary, School of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
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Deng JY, Wu XQ, He WJ, Liao X, Tang M, Nie XQ. Targeting DNA methylation and demethylation in diabetic foot ulcers. J Adv Res 2023; 54:119-131. [PMID: 36706989 DOI: 10.1016/j.jare.2023.01.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/07/2023] [Accepted: 01/10/2023] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Poor wound healing is a significant complication of diabetes, which is commonly caused by neuropathy, trauma, deformities, plantar hypertension and peripheral arterial disease. Diabetic foot ulcers (DFU) are difficult to heal, which makes patients susceptible to infections and can ultimately conduce to limb amputation or even death in severe cases. An increasing number of studies have found that epigenetic alterations are strongly associated with poor wound healing in diabetes. AIM OF REVIEW This work provides significant insights into the development of therapeutics for improving chronic diabetic wound healing, particularly by targeting and regulating DNA methylation and demethylation in DFU. Key scientific concepts of review: DNA methylation and demethylation play an important part in diabetic wound healing, via regulating corresponding signaling pathways in different breeds of cells, including macrophages, vascular endothelial cells and keratinocytes. In this review, we describe the four main phases of wound healing and their abnormality in diabetic patients. Furthermore, we provided an in-depth summary and discussion on how DNA methylation and demethylation regulate diabetic wound healing in different types of cells; and gave a brief summary on recent advances in applying cellular reprogramming techniques for improving diabetic wound healing.
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Affiliation(s)
- Jun-Yu Deng
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China; Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China; College of Pharmacy, Zunyi Medical University, Zunyi 563006, China
| | - Xing-Qian Wu
- College of Pharmacy, Zunyi Medical University, Zunyi 563006, China
| | - Wen-Jie He
- College of Pharmacy, Zunyi Medical University, Zunyi 563006, China
| | - Xin Liao
- Affiliated Hospital of Zunyi Medical University, Zunyi 563006, China
| | - Ming Tang
- Queensland University of Technology (QUT), School of Biomedical Sciences, Centre for Genomics and Personalized Health at the Translational Research Institute (TRI), Brisbane, QLD 4102, Australia.
| | - Xu-Qiang Nie
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi 563006, China; Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563006, China; College of Pharmacy, Zunyi Medical University, Zunyi 563006, China; Queensland University of Technology (QUT), School of Biomedical Sciences, Centre for Genomics and Personalized Health at the Translational Research Institute (TRI), Brisbane, QLD 4102, Australia.
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Wang J, Song Y, Xie W, Zhao J, Wang Y, Yu W. Therapeutic angiogenesis based on injectable hydrogel for protein delivery in ischemic heart disease. iScience 2023; 26:106577. [PMID: 37192972 PMCID: PMC10182303 DOI: 10.1016/j.isci.2023.106577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023] Open
Abstract
Ischemic heart disease (IHD) remains the leading cause of death and disability worldwide and leads to myocardial necrosis and negative myocardial remodeling, ultimately leading to heart failure. Current treatments include drug therapy, interventional therapy, and surgery. However, some patients with severe diffuse coronary artery disease, complex coronary artery anatomy, and other reasons are unsuitable for these treatments. Therapeutic angiogenesis stimulates the growth of the original blood vessels by using exogenous growth factors to generate more new blood vessels, which provides a new treatment for IHD. However, direct injection of these growth factors can cause a short half-life and serious side effects owing to systemic spread. Therefore, to overcome this problem, hydrogels have been developed for temporally and spatially controlled delivery of single or multiple growth factors to mimic the process of angiogenesis in vivo. This paper reviews the mechanism of angiogenesis, some important bioactive molecules, and natural and synthetic hydrogels currently being applied for bioactive molecule delivery to treat IHD. Furthermore, the current challenges of therapeutic angiogenesis in IHD and its potential solutions are discussed to facilitate real translation into clinical applications in the future.
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Affiliation(s)
- Junke Wang
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 26000, China
- Qingdao Medical College, Qingdao University, Qingdao, Shandong 266071, China
| | - Yancheng Song
- Department of Gastrointestinal Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 26000, China
| | - Wenjie Xie
- Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Shandong, Qingdao, Shandong 26000, China
| | - Jiang Zhao
- Department of Urology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Ying Wang
- School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao, Shandong 26000, China
- Corresponding author
| | - Wenzhou Yu
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 26003, China
- Corresponding author
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Elmoselhi AB. Advantages of Understanding the Molecular Mechanisms of Angiogenesis in Various Physiological and Pathological Conditions. Int J Mol Sci 2023; 24:ijms24065412. [PMID: 36982487 PMCID: PMC10049424 DOI: 10.3390/ijms24065412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023] Open
Abstract
The aim of this Special Issue is to highlight the diverse benefits and approaches to studying angiogenesis in various physiological and pathological conditions, such as damaged tissues, impaired embryonic development, cancer progression, and cardiovascular and chronic inflammatory disorders [...]
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Affiliation(s)
- Adel B Elmoselhi
- Basic Medical Sciences Department, College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates
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Radmanić L, Zidovec-Lepej S. The Role of Stem Cell Factor, Epidermal Growth Factor and Angiopoietin-2 in HBV, HCV, HCC and NAFLD. LIFE (BASEL, SWITZERLAND) 2022; 12:life12122072. [PMID: 36556437 PMCID: PMC9786337 DOI: 10.3390/life12122072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
Growth factors play a significant role in the immunopathogenesis of liver diseases, especially in liver fibrosis and cirrhosis. They can also play a role in liver regeneration and tissue repair. The regenerative capacity of the liver has been well established. Molecular mechanisms leading to regeneration involve a complex network of diverse molecules. Chronic liver injury leads to the dysregulation of regenerative mechanisms in the liver that, in addition to molecular oncogenesis, lead to uncontrolled cell proliferation and development of hepatocellular carcinoma (HCC). Stem cell factor (SCF), epidermal growth factor (EGF) and Angiopietin-2 (Ang-2) have been shown to be extremely important in the pathogenesis of liver diseases, and given their role in hepatitis B (HBV) or C virus (HCV), HCC and nonalcoholic fatty liver disease (NAFLD), they seem to be potential targets for future research into antifibrotic drugs. The role of SCF receptor c-kit in the liver is debatable, as it has impact on both liver regeneration and liver disease. EGF is a potential indicator of the survival of patients with HCC and can be a biomarker and therapeutic target structure in HCC. Further research is needed to investigate the potential role of Ang-2 for NAFLD associated with liver damage as a non-invasive circulating biomarker.
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