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Zhang K, Shi Y, Jin Z, He J. Advances in tumor vascular growth inhibition. Clin Transl Oncol 2024; 26:2084-2096. [PMID: 38504070 DOI: 10.1007/s12094-024-03432-5] [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: 01/04/2024] [Accepted: 03/01/2024] [Indexed: 03/21/2024]
Abstract
Tumor growth and metastasis require neovascularization, which is dependent on a complex array of factors, such as the production of various pro-angiogenic factors by tumor cells, intercellular signaling, and stromal remodeling. The hypoxic, acidic tumor microenvironment is not only conducive to tumor cell proliferation, but also disrupts the equilibrium of angiogenic factors, leading to vascular heterogeneity, which further promotes tumor development and metastasis. Anti-angiogenic strategies to inhibit tumor angiogenesis has, therefore, become an important focus for anti-tumor therapy. The traditional approach involves the use of anti-angiogenic drugs to inhibit tumor neovascularization by targeting upstream and downstream angiogenesis-related pathways or pro-angiogenic factors, thereby inhibiting tumor growth and metastasis. This review explores the mechanisms involved in tumor angiogenesis and summarizes currently used anti-angiogenic drugs, including monoclonal antibody, and small-molecule inhibitors, as well as the progress and challenges associated with their use in anti-tumor therapy. It also outlines the opportunities and challenges of treating tumors using more advanced anti-angiogenic strategies, such as immunotherapy and nanomaterials.
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Affiliation(s)
- Keyong Zhang
- State Key Laboratory of Targeting Oncology, National Center for International Research of Bio-Targeting Theranostics, Guangxi Key Laboratory of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Yuanyuan Shi
- State Key Laboratory of Targeting Oncology, National Center for International Research of Bio-Targeting Theranostics, Guangxi Key Laboratory of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Ze Jin
- State Key Laboratory of Targeting Oncology, National Center for International Research of Bio-Targeting Theranostics, Guangxi Key Laboratory of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Jian He
- State Key Laboratory of Targeting Oncology, National Center for International Research of Bio-Targeting Theranostics, Guangxi Key Laboratory of Bio-Targeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China.
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Cui Y, Rolova T, Fagerholm SC. The role of integrins in brain health and neurodegenerative diseases. Eur J Cell Biol 2024; 103:151441. [PMID: 39002282 DOI: 10.1016/j.ejcb.2024.151441] [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: 04/29/2024] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/15/2024] Open
Abstract
Integrins are heterodimeric membrane proteins expressed on the surface of most cells. They mediate adhesion and signaling processes relevant for a wealth of physiological processes, including nervous system development and function. Interestingly, integrins are also recognized therapeutic targets for inflammatory diseases, such as multiple sclerosis. Here, we discuss the role of integrins in brain development and function, as well as in neurodegenerative diseases affecting the brain (Alzheimer's disease, multiple sclerosis, stroke). Furthermore, we discuss therapeutic targeting of these adhesion receptors in inflammatory diseases of the brain.
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Affiliation(s)
- Yunhao Cui
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki 00790, Finland
| | - Taisia Rolova
- Neuroscience Center, HiLIFE, University of Helsinki, Helsinki 00290, Finland
| | - Susanna C Fagerholm
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki 00790, Finland.
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Das P, Wang Y, Angom RS, Dredla B, Wang E, Jansen-West K, Badi M, Ross O, Meschia JF, Mukhopadhyay D. Changes in plasma concentrations of novel vascular and inflammatory biomarkers in obstructive sleep apnea patients pre- and post-stroke. Sleep Med 2024; 119:518-525. [PMID: 38805859 DOI: 10.1016/j.sleep.2024.05.034] [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: 01/18/2024] [Revised: 04/19/2024] [Accepted: 05/14/2024] [Indexed: 05/30/2024]
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is increasingly recognized as a common condition in the general population and causes significant OSA-associated morbidities including cardiovascular and cerebrovascular events such as cerebral small vessel disease (CSVD) and stroke. METHODS In this study, using sensitive ELISA immunoassays, we measured subset of endothelial/vascular and inflammatory biomarkers as well as neurofilament light chain (NfL), a sensitive marker for neuroaxonal injury, using plasma from OSA patients post-stroke (Acute Cerebral Infarction (ACI), N = 26) to determine their usefulness as potential prognostic markers in disease progression. RESULTS Our results showed significantly increased plasma TNFα and NfL concentrations and decreased concentrations of platelet derived growth factor (PDGF-AA) in post-stroke OSA patients with more severe white matter hyperintensities (WMHs). And after separating the patients based on sex, compared to females, male post-stroke OSA patients with severe WMHs have increased circulating levels of inflammatory chemokine CXCL10 and cytokine Interleukin-10 (IL-10) and significantly decreased levels of Angiopoietin-1 (Ang-1) an important protein responsible for endothelial/vascular integrity functions. Importantly, in a subset of newly diagnosed OSA patients (without prior history of stroke), significantly increased plasma CXCL10 levels and decreased plasma Ang-1 levels were also readily observed when compared to healthy controls, indicating possible altered endothelial integrity and ongoing vascular inflammation in these newly diagnosed OSA patients. CONCLUSIONS In summary, our study has identified a novel set of plasma biomarkers including PDGF-AA, CXCL10 and Ang-1 for their potential prognostic value for disease outcomes pre- and post-stroke in OSA patients and use as surrogate markers to measure efficacy of treatment modalities.
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Affiliation(s)
- Pritam Das
- Department of Biochemistry and Molecular Biology, Mayo Clinic Florida, Jacksonville, FL, USA.
| | - Ying Wang
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA; Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Ramcharan Singh Angom
- Department of Biochemistry and Molecular Biology, Mayo Clinic Florida, Jacksonville, FL, USA
| | - Brynn Dredla
- Department of Neurology, Mayo Clinic Florida, Jacksonville, FL, USA
| | - Enfeng Wang
- Department of Biochemistry and Molecular Biology, Mayo Clinic Florida, Jacksonville, FL, USA
| | - Karen Jansen-West
- Department of Neuroscience, Mayo Clinic Florida, Jacksonville, FL, USA
| | - Mohammed Badi
- Department of Neurology, Mayo Clinic Florida, Jacksonville, FL, USA
| | - Owen Ross
- Department of Neuroscience, Mayo Clinic Florida, Jacksonville, FL, USA
| | - James F Meschia
- Department of Neurology, Mayo Clinic Florida, Jacksonville, FL, USA
| | - Debabrata Mukhopadhyay
- Department of Biochemistry and Molecular Biology, Mayo Clinic Florida, Jacksonville, FL, USA.
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Zhang J, Huang Z, Lin Q, Hu W, Zhong H, Zhang F, Huang J. The correlation between serum angiopoietin-2 levels and acute kidney injury (AKI): a meta-analysis. Clin Chem Lab Med 2024; 0:cclm-2024-0365. [PMID: 38915251 DOI: 10.1515/cclm-2024-0365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 06/10/2024] [Indexed: 06/26/2024]
Abstract
INTRODUCTION The correlation between serum angiopoietin-2 levels and acute kidney injury (AKI) is a topic of significant clinical interest. This meta-analysis aims to provide a comprehensive evaluation of this relationship. CONTENT A systematic search was conducted in PubMed, Embase, Web of Science, and Cochrane databases up to October 11, 2023. The included studies were evaluated using the Newcastle-Ottawa Scale (NOS) and Methodological Index for Non-Randomized Studies (MINORS). Weighted mean differences (WMD) and odds ratios (OR) were calculated using random-effects models. Sensitivity analysis, funnel plots, and Egger's test were used to assess the robustness and publication bias of the findings. Subgroup analyses were performed to explore potential variations between adults and children. SUMMARY Eighteen studies encompassing a total of 7,453 participants were included. The analysis revealed a significant elevation in serum angiopoietin-2 levels in patients with AKI compared to those without (WMD: 4.85; 95 % CI: 0.75 to 0.27; I²=93.2 %, p<0.001). Subgroup analysis indicated significantly higher angiopoietin-2 levels in adults with AKI (WMD: 5.17; 95 % CI: 3.51 to 6.83; I²=82.6 %, p<0.001), but not in children. Additionally, high serum angiopoietin-2 levels were associated with an increased risk of AKI (OR: 1.58; 95 % CI: 1.39 to 1.8; I²=89.1 %, p<0.001). Sensitivity analysis validated the robustness of these results, showing no substantial change in the overall effect size upon the exclusion of individual studies. OUTLOOK This meta-analysis supports a significant association between elevated serum angiopoietin-2 levels and increased risk of AKI. The observed differential association between adults and children highlights the need for further targeted research to understand these age-specific variations.
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Affiliation(s)
- Juncheng Zhang
- The School of Clinical Medicine, 74551 Fujian Medical University , Fuzhou, Fujian, China
| | - Zhengjie Huang
- The School of Clinical Medicine, 74551 Fujian Medical University , Fuzhou, Fujian, China
| | - Qin Lin
- The School of Clinical Medicine, 74551 Fujian Medical University , Fuzhou, Fujian, China
- Department of Nephrology, Xiamen Key Laboratory of Precision Diagnosis and Treatment of Chronic Kidney Disease, The Fifth Hospital of Xiamen, Xiamen, Fujian, China
- Department of Nephrology, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Weiping Hu
- The School of Clinical Medicine, 74551 Fujian Medical University , Fuzhou, Fujian, China
- Department of Nephrology, Xiamen Key Laboratory of Precision Diagnosis and Treatment of Chronic Kidney Disease, The Fifth Hospital of Xiamen, Xiamen, Fujian, China
- Department of Nephrology, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Hongbin Zhong
- The School of Clinical Medicine, 74551 Fujian Medical University , Fuzhou, Fujian, China
- Department of Nephrology, Xiamen Key Laboratory of Precision Diagnosis and Treatment of Chronic Kidney Disease, The Fifth Hospital of Xiamen, Xiamen, Fujian, China
- Department of Nephrology, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Fengling Zhang
- The School of Clinical Medicine, 74551 Fujian Medical University , Fuzhou, Fujian, China
- Department of Nephrology, Xiamen Key Laboratory of Precision Diagnosis and Treatment of Chronic Kidney Disease, The Fifth Hospital of Xiamen, Xiamen, Fujian, China
- Department of Nephrology, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Jiyi Huang
- The School of Clinical Medicine, 74551 Fujian Medical University , Fuzhou, Fujian, China
- Department of Nephrology, Xiamen Key Laboratory of Precision Diagnosis and Treatment of Chronic Kidney Disease, The Fifth Hospital of Xiamen, Xiamen, Fujian, China
- Department of Nephrology, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
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Paige JT, Lightell DJ, Douglas HF, Klingenberg N, Pham T, Woods TC. Incubation with porcine urinary bladder matrix yields a late-stage wound transcriptome in endothelial cells and keratinocytes isolated from both diabetic and non-diabetic subjects. Exp Dermatol 2023; 32:1430-1438. [PMID: 37317944 PMCID: PMC10527196 DOI: 10.1111/exd.14845] [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: 04/11/2023] [Accepted: 05/19/2023] [Indexed: 06/16/2023]
Abstract
Proper wound closure requires the functional coordination of endothelial cells (ECs) and keratinocytes. In the late stages of wound healing, keratinocytes become activated and ECs promote the maturation of nascent blood vessels. In diabetes mellitus, decreased keratinocyte activation and impaired angiogenic action of ECs delay wound healing. Porcine urinary bladder matrix (UBM) improves the rate of wound healing, but the effect of exposure to UBM under diabetic conditions remains unclear. We hypothesized that keratinocytes and ECs isolated from both diabetic and non-diabetic donors would exhibit a similar transcriptome representative of the later stages of wound healing following incubation with UBM. Human keratinocytes and dermal ECs isolated from non-diabetic and diabetic donors were incubated with and without UBM particulate. RNA-Seq analysis was performed to identify changes in the transcriptome of these cells associated with exposure to UBM. While diabetic and non-diabetic cells exhibited different transcriptomes, these differences were minimized following incubation with UBM. ECs exposed to UBM exhibited changes in the expression of transcripts suggesting an increase in the endothelial-mesenchymal transition (EndoMT) associated with vessel maturation. Keratinocytes incubated with UBM demonstrated an increase in markers of activation. Comparison of the whole transcriptomes with public datasets suggested increased EndoMT and keratinocyte activation following UBM exposure. Both cell types exhibited loss of pro-inflammatory cytokines and adhesion molecules. These data suggest that application of UBM may accelerate healing by promoting a transition to the later stages of wound healing. This healing phenotype is achieved in cells isolated from both diabetic and non-diabetic donors.
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Affiliation(s)
- John T. Paige
- Department of Surgery, LSU Health New Orleans School of Medicine, New Orleans, LA
| | - Daniel J. Lightell
- Departments of Physiology and Medicine, Tulane University School of Medicine, New Orleans, LA
| | - Hunter F. Douglas
- Departments of Physiology and Medicine, Tulane University School of Medicine, New Orleans, LA
| | - Natasha Klingenberg
- Departments of Physiology and Medicine, Tulane University School of Medicine, New Orleans, LA
| | - Thaidan Pham
- Departments of Physiology and Medicine, Tulane University School of Medicine, New Orleans, LA
| | - T. Cooper Woods
- Departments of Physiology and Medicine, Tulane University School of Medicine, New Orleans, LA
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Zhao JY, Sheng XL, Li CJ, Qin T, He RD, Dai GY, Cao Y, Lu HB, Duan CY, Hu JZ. Metformin promotes angiogenesis and functional recovery in aged mice after spinal cord injury by adenosine monophosphate-activated protein kinase/endothelial nitric oxide synthase pathway. Neural Regen Res 2023; 18:1553-1562. [PMID: 36571362 PMCID: PMC10075126 DOI: 10.4103/1673-5374.360245] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Treatment with metformin can lead to the recovery of pleiotropic biological activities after spinal cord injury. However, its effect on spinal cord injury in aged mice remains unclear. Considering the essential role of angiogenesis during the regeneration process, we hypothesized that metformin activates the adenosine monophosphate-activated protein kinase/endothelial nitric oxide synthase pathway in endothelial cells, thereby promoting microvascular regeneration in aged mice after spinal cord injury. In this study, we established young and aged mouse models of contusive spinal cord injury using a modified Allen method. We found that aging hindered the recovery of neurological function and the formation of blood vessels in the spinal cord. Treatment with metformin promoted spinal cord microvascular endothelial cell migration and blood vessel formation in vitro. Furthermore, intraperitoneal injection of metformin in an in vivo model promoted endothelial cell proliferation and increased the density of new blood vessels in the spinal cord, thereby improving neurological function. The role of metformin was reversed by compound C, an adenosine monophosphate-activated protein kinase inhibitor, both in vivo and in vitro, suggesting that the adenosine monophosphate-activated protein kinase/endothelial nitric oxide synthase pathway likely regulates metformin-mediated angiogenesis after spinal cord injury. These findings suggest that metformin promotes vascular regeneration in the injured spinal cord by activating the adenosine monophosphate-activated protein kinase/endothelial nitric oxide synthase pathway, thereby improving the neurological function of aged mice after spinal cord injury.
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Affiliation(s)
- Jin-Yun Zhao
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
| | - Xiao-Long Sheng
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
| | - Cheng-Jun Li
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
| | - Tian Qin
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
| | - Run-Dong He
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
| | - Guo-Yu Dai
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
| | - Yong Cao
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
| | - Hong-Bin Lu
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health; Department of Sports Medicine, Research Centre of Sports Medicine, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Chun-Yue Duan
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
| | - Jian-Zhong Hu
- Department of Spine Surgery and Orthopedics, Xiangya Hospital, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University; Hunan Engineering Research Center of Sports and Health, Changsha, Hunan Province, China
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Abdalla MMI, Mohanraj J, Somanath SD. Adiponectin as a therapeutic target for diabetic foot ulcer. World J Diabetes 2023; 14:758-782. [PMID: 37383591 PMCID: PMC10294063 DOI: 10.4239/wjd.v14.i6.758] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/25/2023] [Accepted: 04/24/2023] [Indexed: 06/14/2023] Open
Abstract
The global burden of diabetic foot ulcers (DFUs) is a significant public health concern, affecting millions of people worldwide. These wounds cause considerable suffering and have a high economic cost. Therefore, there is a need for effective strategies to prevent and treat DFUs. One promising therapeutic approach is the use of adiponectin, a hormone primarily produced and secreted by adipose tissue. Adiponectin has demonstrated anti-inflammatory and anti-atherogenic properties, and researchers have suggested its potential therapeutic applications in the treatment of DFUs. Studies have indicated that adiponectin can inhibit the production of pro-inflammatory cytokines, increase the production of vascular endothelial growth factor, a key mediator of angiogenesis, and inhibit the activation of the intrinsic apoptotic pathway. Additionally, adiponectin has been found to possess antioxidant properties and impact glucose metabolism, the immune system, extracellular matrix remodeling, and nerve function. The objective of this review is to summarize the current state of research on the potential role of adiponectin in the treatment of DFUs and to identify areas where further research is needed in order to fully understand the effects of adiponectin on DFUs and to establish its safety and efficacy as a treatment for DFUs in the clinical setting. This will provide a deeper understanding of the underlying mechanisms of DFUs that can aid in the development of new and more effective treatment strategies.
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Affiliation(s)
- Mona Mohamed Ibrahim Abdalla
- Department of Physiology, Human Biology Division, School of Medicine, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Jaiprakash Mohanraj
- Department of Biochemistry, Human Biology Division, School of Medicine, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Sushela Devi Somanath
- Department of Microbiology, School of Medicine, International Medical University, Kuala Lumpur 57000, Malaysia
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Tu J, Liang H, Li C, Huang Y, Wang Z, Chen X, Yuan X. The application and research progress of anti-angiogenesis therapy in tumor immunotherapy. Front Immunol 2023; 14:1198972. [PMID: 37334350 PMCID: PMC10272381 DOI: 10.3389/fimmu.2023.1198972] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 05/15/2023] [Indexed: 06/20/2023] Open
Abstract
Tumor immunotherapy, as the focus of scientific research and clinical tumor treatment in recent years, has received extensive attention. Due to its remarkable curative effect and fewer side effects than traditional treatments, it has significant clinical benefits for the treatment of various advanced cancers and can improve cancer patient survival in the long term. Currently, most patients cannot benefit from immunotherapy, and some patients may experience tumor recurrence and drug resistance even if they achieve remission overcome. Numerous studies have shown that the abnormal angiogenesis state of tumors can lead to immunosuppressive tumor microenvironment, which affects the efficacy of immunotherapy. Actually, to improve the efficacy of immunotherapy, the application of anti-angiogenesis drugs to normalize abnormal tumor vessel has been widely confirmed in basic and clinical research. This review not only discusses the risk factors, mechanisms, and effects of abnormal and normalized tumor angiogenesis state on the immune environment, but summarizes the latest progress of immunotherapy combined with anti-angiogenic therapy. We hope this review provides an applied reference for anti-angiogenesis drugs and synergistic immunotherapy therapy.
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Affiliation(s)
- Jingyao Tu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hang Liang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chunya Li
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yongbiao Huang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ziqi Wang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinyi Chen
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xianglin Yuan
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Dieter C, Lemos NE, de Faria Corrêa NR, Assmann TS, Pellenz FM, Canani LH, de Almeida Brondani L, Bauer AC, Crispim D. Polymorphisms in TIE2 and ANGPT-1 genes are associated with protection against diabetic retinopathy in a Brazilian population. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2023; 67:e000624. [PMID: 37249455 PMCID: PMC10665047 DOI: 10.20945/2359-3997000000624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 12/06/2022] [Indexed: 05/31/2023]
Abstract
Objective The objective of this study was to investigate the association between SNPs in the TIE2 and ANGPT-1 genes and diabetic retinopathy (DR). Subjects and methods This study comprised 603 patients with type 2 diabetes mellitus (T2DM) and DR (cases) and 388 patients with T2DM for more than 10 years and without DR (controls). The TIE2 rs639225 (A/G) and rs638203 (A/G) SNPs and the ANGPT-1 rs4324901 (G/T) and rs2507800 (T/A) SNPs were genotyped by real-time PCR using TaqMan MGB probes. Results The G/G genotype of the rs639225/TIE2, the G/G genotype of the rs638203/ TIE2 and the T allele of the rs4324901/ANGPT-1 SNPs were associated with protection against DR after adjustment for age, glycated hemoglobin, gender, and presence of hypertension (P = 0.042, P = 0.003, and P = 0.028, respectively). No association was found between the rs2507800/ANGPT-1 SNP and DR. Conclusion We demonstrated, for the first time, the association of TIE2 rs638203 and rsrs939225 SNPs and ANGPT-1 rs4324901 SNP with protection against DR in a Brazilian population.
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Affiliation(s)
- Cristine Dieter
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia, Porto Alegre, RS, Brasil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | - Natália Emerim Lemos
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia, Porto Alegre, RS, Brasil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | | | - Taís Silveira Assmann
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia, Porto Alegre, RS, Brasil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | - Felipe Mateus Pellenz
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia, Porto Alegre, RS, Brasil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | - Luís Henrique Canani
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia, Porto Alegre, RS, Brasil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | | | - Andrea Carla Bauer
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia, Porto Alegre, RS, Brasil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
- Hospital de Clínicas de Porto Alegre, Divisão de Nefrologia, Porto Alegre, RS, Brasil
| | - Daisy Crispim
- Hospital de Clínicas de Porto Alegre, Serviço de Endocrinologia, Porto Alegre, RS, Brasil
- Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil,
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Wang S, Zhou J, Lu J, Lin Y, Liu S, Chen K. A ketogenic diet improves vascular hyperpermeability in type 2 diabetic mice by downregulating vascular pescadillo1 expression. J Cell Mol Med 2023; 27:1410-1422. [PMID: 37060584 PMCID: PMC10183701 DOI: 10.1111/jcmm.17744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 03/08/2023] [Accepted: 03/29/2023] [Indexed: 04/17/2023] Open
Abstract
The role of pescadillo1 (PES1) in regulating vascular permeability has been unknown. This study probes the role of PES1 and its mediated molecular mechanism in modulating vascular hyperpermeability in diabetic mice. Male C57BL/6J and db/db mice were fed a standard diet and a ketogenic diet (KD). Meanwhile, mouse vascular endothelial cells (MVECs) were treated with β-hydroxybutyric acid (β-HB), Pes1 siRNA or a Pes1 overexpression plasmid. Additionally, knockout (KO) of Pes1 in mice was applied. After 12 weeks of feedings, enhanced vascular PES1 expression in diabetic mice was inhibited by the KD. The suppression of PES1 was also observed in β-HB-treated MVECs. In mice with Pes1 KO, the levels of vascular VEGF and PES1 were attenuated, while the levels of vascular VE-cadherin, Ang-1 and Occludin were upregulated. Similar outcomes also occurred after the knockdown of Pes1 in cultured MVECs, which were opposite to the effects induced by PES1 overexpression in MVECs. In vitro and in vivo experiments showed that high glucose concentration-induced increases in vascular paracellular permeability declined after MVECs were treated by β-HB or by knockdown of Pes1. In contrast, increases in vascular permeability were induced by overexpression of Pes1, which were suppressed by coadministration of β-HB in cultured endothelial cells. Similarly declines in vascular permeability were found by Pes1 knockdown in diabetic mice. Mechanistically, β-HB decreased PES1-facilitated ubiquitination of VE-cadherin. The KD suppressed the diabetes-induced increase in PES1, which may result in vascular hyperpermeability through ubiquitination of VE-cadherin in type 2 diabetic mice.
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Affiliation(s)
- Song Wang
- Department of Ophthalmology, The Second Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China
| | - Jielin Zhou
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, Anhui, China
- Department of Oncology, Anhui Provincial Cancer Hospital, The First Affiliated Hospital of the University of Science and Technology of China, Hefei, Anhui, China
| | - Jing Lu
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Yan Lin
- Department of Health Inspection and Quarantine, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Shuaishuai Liu
- Department of Diabetic Retinopathy, AIER Hefei Eye Hospital Affiliated to Anhui Medical University, Hefei, Anhui, China
| | - Keyang Chen
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, Anhui, China
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Zheng SY, Wan XX, Kambey PA, Luo Y, Hu XM, Liu YF, Shan JQ, Chen YW, Xiong K. Therapeutic role of growth factors in treating diabetic wound. World J Diabetes 2023; 14:364-395. [PMID: 37122434 PMCID: PMC10130901 DOI: 10.4239/wjd.v14.i4.364] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/16/2023] [Accepted: 03/21/2023] [Indexed: 04/12/2023] Open
Abstract
Wounds in diabetic patients, especially diabetic foot ulcers, are more difficult to heal compared with normal wounds and can easily deteriorate, leading to amputation. Common treatments cannot heal diabetic wounds or control their many complications. Growth factors are found to play important roles in regulating complex diabetic wound healing. Different growth factors such as transforming growth factor beta 1, insulin-like growth factor, and vascular endothelial growth factor play different roles in diabetic wound healing. This implies that a therapeutic modality modulating different growth factors to suit wound healing can significantly improve the treatment of diabetic wounds. Further, some current treatments have been shown to promote the healing of diabetic wounds by modulating specific growth factors. The purpose of this study was to discuss the role played by each growth factor in therapeutic approaches so as to stimulate further therapeutic thinking.
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Affiliation(s)
- Shen-Yuan Zheng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
| | - Xin-Xing Wan
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha 410013, Hunan Province, China
| | - Piniel Alphayo Kambey
- Department of Neurobiology and Anatomy, Xuzhou Medical University, Xuzhou 221004, Jiangsu Province, China
| | - Yan Luo
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Xi-Min Hu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
| | - Yi-Fan Liu
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Jia-Qi Shan
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Yu-Wei Chen
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Kun Xiong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
- Key Laboratory of Emergency and Trauma, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, Hainan Province, China
- Hunan Key Laboratory of Ophthalmology, Central South University, Changsha 410013, Hunan Province, China
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Wang Y, Fang J, Niu T, Xing X, Wang H, Shi X, Liu Y, Liu X, Chen C, Liu K. Serum Ang-1/Ang-2 ratio may be a promising biomarker for evaluating severity of diabetic retinopathy. Graefes Arch Clin Exp Ophthalmol 2023; 261:49-55. [PMID: 35838805 DOI: 10.1007/s00417-022-05745-z] [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: 04/06/2022] [Revised: 06/09/2022] [Accepted: 06/28/2022] [Indexed: 01/04/2023] Open
Abstract
PURPOSE To investigate the predictive role of serum angiopoietin-1 and angiopoietin-2 (Ang-1/Ang-2) in evaluating the severity of diabetic retinopathy (DR). METHODS A total of 101 outpatients with type 2 diabetes mellitus (T2DM) were recruited and were further divided into the following five groups: T2DM without DR (non-DR), mild non-proliferative DR (NPDR), moderate NPDR, severe NPDR and proliferative DR (PDR) in accordance with the International Clinical Diabetic Retinopathy Guidelines. Furthermore, 101 serum samples were included in the further analysis using enzyme-linked immunosorbent assays. A receiver operating characteristic (ROC) curve was plotted to evaluate the diagnostic value of each index. RESULTS The expression of Ang-1 in the PDR group was significantly lower than that in the non-DR group, while Ang-2 showed an opposite upward trend (p < 0.05). The Ang-1/Ang-2 ratio of the non-DR group was significantly lower than that of the moderate NPDR, severe NPDR and PDR (p < 0.05, p < 0.01 and p < 0.01, respectively). Differences in the Ang-1/Ang-2 ratio were observed earlier than those in the individual Ang-1 and Ang-2 measurements. The maximal Youden index was 0.512 with a calculated area under the curve (AUC) value of 0.734 (p < 0.01). CONCLUSIONS The Ang-1/Ang-2 ratio was helpful in assessing the severity of DR and may provide potential clinical benefits as a biomarker and early warning signs for DR diagnosis.
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Affiliation(s)
- Yihan Wang
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China
| | - Junwei Fang
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China
| | - Tian Niu
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China
| | - Xindan Xing
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China
| | - Hanying Wang
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China
| | - Xin Shi
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China
| | - Yujuan Liu
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China
| | - Xinyi Liu
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China
| | - Chong Chen
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China.
| | - Kun Liu
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, No. 100 Haining Road, Shanghai, 20080, China.
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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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Glycation of Tie-2 Inhibits Angiopoietin-1 Signaling Activation and Angiopoietin-1-Induced Angiogenesis. Int J Mol Sci 2022; 23:ijms23137137. [PMID: 35806141 PMCID: PMC9266685 DOI: 10.3390/ijms23137137] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 02/04/2023] Open
Abstract
The impairment of the angiopoietin-1 (Ang-1)/Tie-2 signaling pathway has been thought to play a critical role in diabetic complications. However, the underlying mechanisms remain unclear. The present study aims to investigate the effects of Tie-2 glycation on Ang-1 signaling activation and Ang-1-induced angiogenesis. We identified that Tie-2 was modified by advanced glycation end products (AGEs) in aortae derived from high fat diet (HFD)-fed mice and in methylglyoxal (MGO)-treated human umbilical vein endothelial cells (HUVECs). MGO-induced Tie-2 glycation significantly inhibited Ang-1-evoked Tie-2 and Akt phosphorylation and Ang-1-regulated endothelial cell migration and tube formation, whereas the blockade of AGE formation by aminoguanidine remarkably rescued Ang-1 signaling activation and Ang-1-induced angiogenesis in vitro. Furthermore, MGO treatment markedly increased AGE cross-linking of Tie-2 in cultured aortae ex vivo and MGO-induced Tie-2 glycation also significantly decreased Ang-1-induced vessel outgrow from aortic rings. Collectively, these data suggest that Tie-2 may be modified by AGEs in diabetes mellitus and that Tie-2 glycation inhibits Ang-1 signaling activation and Ang-1-induced angiogenesis. This may provide a novel mechanism for Ang-1/Tie-2 signal dysfunction and angiogenesis failure in diabetic ischaemic diseases.
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15
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Increased frequency of proangiogenic tunica intima endothelial kinase 2 (Tie2) expressing monocytes in individuals with type 2 diabetes mellitus. Cardiovasc Diabetol 2022; 21:72. [PMID: 35549955 PMCID: PMC9102255 DOI: 10.1186/s12933-022-01497-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 02/18/2022] [Indexed: 12/02/2022] Open
Abstract
Background Individuals with type 2 diabetes mellitus (T2DM) have an increased risk for developing macrovascular disease (MVD) manifested by atherosclerosis. Phenotypically and functionally different monocyte subsets (classical; CD14++CD16−, non-classical; CD14+CD16++, and intermediate; CD14++CD16+) including pro-angiogenic monocytes expressing Tie2 (TEMs) can be identified. Here we investigated monocyte heterogeneity and its association with T2DM and MVD. Methods Individuals with (N = 51) and without (N = 56) T2DM were recruited and allocated to "non-MVD" or "with MVD" (i.e., peripheral or coronary artery disease) subgroups. Blood monocyte subsets were quantified based on CD14, CD16 and Tie2 expression levels. Plasma levels of Tie2-ligands angiopoietin-1 and angiopoietin-2 were determined using ELISA. Carotid endarterectomy samples from individuals with (N = 24) and without (N = 22) T2DM were stained for intraplaque CD68+ macrophages (inflammation) and CD34+ (angiogenesis), as plaque vulnerability markers. Results Monocyte counts were similar between individuals with T2DM and healthy controls (non-diabetic, non-MVD). Non-classical monocytes were reduced (p < 0.05) in T2DM, whereas the percentage of TEMs within the intermediate subset was increased (p < 0.05). T2DM was associated with increased angiopoietin-1 (p < 0.05) and angiopoietin-2 (p = 0.0001) levels. Angiopoietin-2 levels were higher in T2DM individuals with MVD compared with non-MVD (p < 0.01). Endarterectomized plaques showed no differences in macrophage influx and microvessel number between individuals with and without T2DM. Conclusions Monocyte subset distribution is altered in T2DM with reduced non-classical monocytes and increased TEM percentage in the intermediate monocyte subset. Increased angiopoietin-2 levels together with increased frequency of TEMs might promote plaque vulnerability in T2DM which could however not be confirmed at tissue level in advanced atherosclerotic lesions.
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Puliani G, Sesti F, Anastasi E, Verrico M, Tarsitano MG, Feola T, Campolo F, Di Gioia CRT, Venneri MA, Angeloni A, Appetecchia M, Lenzi A, Isidori AM, Faggiano A, Giannetta E. Angiogenic factors as prognostic markers in neuroendocrine neoplasms. Endocrine 2022; 76:208-217. [PMID: 35088292 DOI: 10.1007/s12020-021-02942-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 11/07/2021] [Indexed: 12/18/2022]
Abstract
PURPOSE Angiogenic markers in neuroendocrine neoplasms (NENs) have recently received increasing attention, but their clinical role remains unclear. The aim of this study was to evaluate the role of angiogenic markers in NEN aggressiveness and prognosis. METHODS We performed a prospective observational study including 46 consecutive patients with proven NENs of pulmonary (45.65%) and gastro-entero-pancreatic (GEP) (54.35%) origin and 29 healthy controls. Circulating pro-angiogenic factors were measured by ELISA assay. ANG2 tissue expression was evaluated in a subgroup of ten patients by immunohistochemistry. RESULTS The study demonstrated a significantly higher level of ANG2, ANG1, sTIE2, and PROK2 in patients affected by NENs compared to controls. In the NENs' group we measured that: (i) ANG2 levels were higher in poorly vs well-differentiated NENs: 4.85 (2.75-7.42) vs 3.16 (1.66-6.36) ng/ml, p = 0.046 and in tumor stage 3-4 compared to stage 1-2: 4.24 (2.66-8.72) vs 2.73 (1.53-5.70), p = 0.044; (ii) ANG2 and PROK2 were significantly higher in patents with progressive disease compared to stable disease: ANG2 = 6.26 (3.98-10.99) vs 2.73 (1.65-4.36) pg/ml, p = 0.001; PROK2 = 29.19 (28.42-32.25) vs 28.37 (28.14-28.91) pg/ml, p = 0.035. Immunohistochemistry confirmed ANG2 expression in tumor specimens. CONCLUSIONS We documented higher levels of angiogenic markers in NENs, with an association between ANG2 serum levels and NENs morphology and staging. In both GEP and lung NENs, ANG2 and PROK2 are higher in case of tumor progression, suggesting a potential role as prognostic markers in NENs patients.
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Affiliation(s)
- Giulia Puliani
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
- Oncological Endocrinology Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Franz Sesti
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Emanuela Anastasi
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Monica Verrico
- Medical Oncology Unit A, Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Rome, Italy
| | | | - Tiziana Feola
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
- Neuroendocrinology, Neuromed Institute, IRCCS, Pozzilli, Italy
| | - Federica Campolo
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Mary Anna Venneri
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Antonio Angeloni
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Marialuisa Appetecchia
- Oncological Endocrinology Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Andrea Lenzi
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Antongiulio Faggiano
- Endocrinology Unit, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - Elisa Giannetta
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy.
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Dieter C, Lemos NE, Corrêa NRDF, Costa AR, Canani LH, Crispim D, Bauer AC. The rs2442598 polymorphism in the ANGPT-2 gene is associated with risk for diabetic retinopathy in patients with type 1 diabetes mellitus in a Brazilian population. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2021; 65:794-800. [PMID: 34762787 PMCID: PMC10065396 DOI: 10.20945/2359-3997000000417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE As studies have reported the involvement of angiopoietin-2 (ANGPT-2) in the pathogenesis of diabetic retinopathy (DR), the aim of this study was to investigate the association between the ANGPT-2 rs2442598 polymorphism and DR. METHODS This case-control study comprised 107 patients with type 1 diabetes mellitus (T1DM) and DR (cases) and 129 patients with T1DM without DR (controls) and with ≥ 10 years of DM. The ANGPT-2 rs2442598 (G/A) polymorphism was genotyped by real-time PCR using TaqMan MGB probes. RESULTS Genotype distributions of this polymorphism were consistent with the Hardy-Weinberg equilibrium. The frequency of the rs2442598 A allele was higher in cases compared to controls (p = 0.011). Moreover, the A/A genotype was more frequent in cases than in controls (p = 0.017) and was associated with risk for DR after adjustments for duration of DM, HbA1c, triglycerides, estimated glomerular filtration rate, and hypertension (odds ratio [OR] = 5.19, 95% confidence interval [CI] 1.21-22.27). This association was maintained under recessive (OR = 4.78, 95% CI 1.14-19.99) and additive (OR = 6.861, 95% CI 1.45-32.38) inheritance models. CONCLUSION Our data demonstrated, for the first time, an association between the ANGPT-2 rs2442598 A allele and risk for DR in T1DM patients from southern Brazil. Additional studies are necessary to replicate this association in other populations.
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Yang T, Xiao H, Liu X, Wang Z, Zhang Q, Wei N, Guo X. Vascular Normalization: A New Window Opened for Cancer Therapies. Front Oncol 2021; 11:719836. [PMID: 34476218 PMCID: PMC8406857 DOI: 10.3389/fonc.2021.719836] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 07/23/2021] [Indexed: 12/17/2022] Open
Abstract
Preclinical and clinical antiangiogenic approaches, with multiple side effects such as resistance, have not been proved to be very successful in treating tumor blood vessels which are important targets for tumor therapy. Meanwhile, restoring aberrant tumor blood vessels, known as tumor vascular normalization, has been shown not only capable of reducing tumor invasion and metastasis but also of enhancing the effectiveness of chemotherapy, radiation therapy, and immunotherapy. In addition to the introduction of such methods of promoting tumor vascular normalization such as maintaining the balance between proangiogenic and antiangiogenic factors and targeting endothelial cell metabolism, microRNAs, and the extracellular matrix, the latest molecular mechanisms and the potential connections between them were primarily explored. In particular, the immunotherapy-induced normalization of blood vessels further promotes infiltration of immune effector cells, which in turn improves immunotherapy, thus forming an enhanced loop. Thus, immunotherapy in combination with antiangiogenic agents is recommended. Finally, we introduce the imaging technologies and serum markers, which can be used to determine the window for tumor vascular normalization.
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Affiliation(s)
- Ting Yang
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hongqi Xiao
- Department of General Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiaoxia Liu
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhihui Wang
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qingbai Zhang
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Nianjin Wei
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xinggang Guo
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
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Wu M, Miao H, Fu R, Zhang J, Zheng W. Hepatic Stellate Cell: A Potential Target for Hepatocellular Carcinoma. Curr Mol Pharmacol 2021; 13:261-272. [PMID: 32091349 DOI: 10.2174/1874467213666200224102820] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/11/2020] [Accepted: 01/16/2020] [Indexed: 12/24/2022]
Abstract
Liver cancer is a leading cause of cancer-related death worldwide, in which hepatocellular carcinoma (HCC) accounts for the majority. Despite the progression in treatment, the prognosis remains extremely poor for HCC patients. The mechanisms of hepatocarcinogenesis are complex, of which fibrosis is acknowledged as the pre-cancerous stage of HCC. Approximately, 80-90% of HCC develops in the fibrotic or cirrhotic livers. Hepatic stellate cells (HSCs), the main effector cells of liver fibrosis, could secret various biological contents to maintain the liver inflammation. By decades, HSCs are increasingly correlated with HCC in the tumor microenvironment. In this review, we summarized the underlying mechanisms that HSCs participated in the genesis and progression of HCC. HSCs secrete various bioactive contents and regulate tumor-related pathways, subsequently contribute to metastasis, angiogenesis, immunosuppression, chemoresistance and cancer stemness. The study indicates that HSC plays vital roles in HCC progression, suggesting it as a promising therapeutic target for HCC treatment.
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Affiliation(s)
- Mengna Wu
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, 20 Xisi Road, 226001 Nantong, Jiangsu, China
| | - Huajie Miao
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, 20 Xisi Road, 226001 Nantong, Jiangsu, China
| | - Rong Fu
- Department of Pathology, Affiliated Haian Hospital of Nantong University, 17 Zhongba Road, 226600, Haian, Jiangsu, China
| | - Jie Zhang
- Department of Chemotherapy, Affiliated Hospital of Nantong University, 20 Xisi Road, 226001 Nantong, Jiangsu, China
| | - Wenjie Zheng
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, 20 Xisi Road, 226001 Nantong, Jiangsu, China
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Martin P, Gurevich DB. Macrophage regulation of angiogenesis in health and disease. Semin Cell Dev Biol 2021; 119:101-110. [PMID: 34330619 DOI: 10.1016/j.semcdb.2021.06.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 05/24/2021] [Accepted: 06/18/2021] [Indexed: 12/15/2022]
Abstract
Macrophages are primarily known as phagocytic innate immune cells, but are, in fact, highly dynamic multi-taskers that interact with many different tissue types and have regulatory roles in development, homeostasis, tissue repair, and disease. In all of these scenarios angiogenesis is pivotal and macrophages appear to play a key role in guiding both blood vessel sprouting and remodelling wherever that occurs. Recent studies have explored these processes in a diverse range of models utilising the complementary strengths of rodent, fish and tissue culture studies to unravel the mechanisms underlying these interactions and regulatory functions. Here we discuss how macrophages regulate angiogenesis and its resolution as embryonic tissues grow, as well as their parallel and different functions in repairing wounds and in pathologies, with a focus on chronic wounds and cancer.
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Affiliation(s)
- Paul Martin
- School of Biochemistry, Biomedical Sciences, University of Bristol, Bristol BS8 1TD, UK; School of Physiology, Pharmacology and Neuroscience, Biomedical Sciences, University of Bristol, Bristol BS8 1TD, UK
| | - David Baruch Gurevich
- Department of Biology & Biochemistry, Faculty of Science, University of Bath, Claverton Down, Bath BA2 7AY, UK.
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21
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Upadhyay N, Tilekar K, Safuan S, Kumar AP, Stalin J, Ruegg C, Ramaa C S. Recent Anti‐angiogenic Drug Discovery Efforts To Combat Cancer. ChemistrySelect 2021. [DOI: 10.1002/slct.202101792] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Neha Upadhyay
- Department of Pharmaceutical Chemistry Bharati Vidyapeeth's College of Pharmacy Sector 8, CBD Belapur Navi Mumbai 400614 India
| | - Kalpana Tilekar
- Department of Pharmaceutical Chemistry Bharati Vidyapeeth's College of Pharmacy Sector 8, CBD Belapur Navi Mumbai 400614 India
| | - Sabreena Safuan
- Pusat pengajian sains School of Health Sciences Universiti Sains Malaysia Malaysia 16150 Kubang Kerian Kelantan
| | - Alan P. Kumar
- Department of Pharmacology National University of Singapore Singapore
| | - Jimmy Stalin
- Department of Oncology Microbiology, and Immunology University of Fribourg Chemin du Musée 18, PER17, CH 1700 Fribourg Switzerland
| | - Curzio Ruegg
- Department of Oncology Microbiology, and Immunology University of Fribourg Chemin du Musée 18, PER17, CH 1700 Fribourg Switzerland
| | - Ramaa C S
- Department of Pharmaceutical Chemistry Bharati Vidyapeeth's College of Pharmacy Sector 8, CBD Belapur Navi Mumbai 400614 India
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22
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Browne S, Gill EL, Schultheiss P, Goswami I, Healy KE. Stem cell-based vascularization of microphysiological systems. Stem Cell Reports 2021; 16:2058-2075. [PMID: 33836144 PMCID: PMC8452487 DOI: 10.1016/j.stemcr.2021.03.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 03/11/2021] [Accepted: 03/15/2021] [Indexed: 12/27/2022] Open
Abstract
Microphysiological systems (MPSs) (i.e., tissue or organ chips) exploit microfluidics and 3D cell culture to mimic tissue and organ-level physiology. The advent of human induced pluripotent stem cell (hiPSC) technology has accelerated the use of MPSs to study human disease in a range of organ systems. However, in the reduction of system complexity, the intricacies of vasculature are an often-overlooked aspect of MPS design. The growing library of pluripotent stem cell-derived endothelial cell and perivascular cell protocols have great potential to improve the physiological relevance of vasculature within MPS, specifically for in vitro disease modeling. Three strategic categories of vascular MPS are outlined: self-assembled, interface focused, and 3D biofabricated. This review discusses key features and development of the native vasculature, linking that to how hiPSC-derived vascular cells have been generated, the state of the art in vascular MPSs, and opportunities arising from interdisciplinary thinking.
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Affiliation(s)
- Shane Browne
- Department of Bioengineering and California Institute for Quantitative Biosciences (QB3), University of California at Berkeley, Berkeley, CA 94720, USA
| | - Elisabeth L Gill
- Department of Bioengineering and California Institute for Quantitative Biosciences (QB3), University of California at Berkeley, Berkeley, CA 94720, USA
| | - Paula Schultheiss
- Department of Bioengineering and California Institute for Quantitative Biosciences (QB3), University of California at Berkeley, Berkeley, CA 94720, USA
| | - Ishan Goswami
- Department of Bioengineering and California Institute for Quantitative Biosciences (QB3), University of California at Berkeley, Berkeley, CA 94720, USA; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA
| | - Kevin E Healy
- Department of Bioengineering and California Institute for Quantitative Biosciences (QB3), University of California at Berkeley, Berkeley, CA 94720, USA; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA.
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23
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Liu Y, Liu Y, Deng J, Li W, Nie X. Fibroblast Growth Factor in Diabetic Foot Ulcer: Progress and Therapeutic Prospects. Front Endocrinol (Lausanne) 2021; 12:744868. [PMID: 34721299 PMCID: PMC8551859 DOI: 10.3389/fendo.2021.744868] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 09/29/2021] [Indexed: 12/24/2022] Open
Abstract
Diabetic foot ulcer (DFU) is a combination of neuropathy and various degrees of peripheral vasculopathy in diabetic patients resulting in lower extremity infection, ulcer formation, and deep-tissue necrosis. The difficulty of wound healing in diabetic patients is caused by a high glucose environment and various biological factors in the patient. The patients' skin local microenvironment changes and immune chemotactic response dysfunction. Wounds are easy to be damaged and ulcerated repeatedly, but difficult to heal, and eventually develop into chronic ulcers. DFU is a complex biological process in which many cells interact with each other. A variety of growth factors released from wounds are necessary for coordination and promotion of healing. Fibroblast growth factor (FGF) is a family of cell signaling proteins, which can mediate various processes such as angiogenesis, wound healing, metabolic regulation and embryonic development through its specific receptors. FGF can stimulate angiogenesis and proliferation of fibroblasts, and it is a powerful angiogenesis factor. Twenty-three subtypes have been identified and divided into seven subfamilies. Traditional treatments for DFU can only remove necrotic tissue, delay disease progression, and have a limited ability to repair wounds. In recent years, with the increasing understanding of the function of FGF, more and more researchers have been applying FGF-1, FGF-2, FGF-4, FGF-7, FGF-21 and FGF-23 topically to DFU with good therapeutic effects. This review elaborates on the recently developed FGF family members, outlining their mechanisms of action, and describing their potential therapeutics in DFU.
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Affiliation(s)
- Ye Liu
- College of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Yiqiu Liu
- College of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Junyu Deng
- College of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Wei Li
- College of Pharmacy, Zunyi Medical University, Zunyi, China
- Joint International Research Laboratory of Ethnomedicine of Chinese Ministry of Education, Zunyi Medical University, Zunyi, China
| | - Xuqiang Nie
- College of Pharmacy, Zunyi Medical University, Zunyi, China
- Joint International Research Laboratory of Ethnomedicine of Chinese Ministry of Education, Zunyi Medical University, Zunyi, China
- Key Lab of the Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi, China
- *Correspondence: Xuqiang Nie, , orcid.org/0000-0002-6926-6515
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24
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Venkat P, Ning R, Zacharek A, Culmone L, Liang L, Landschoot-Ward J, Chopp M. Treatment with an Angiopoietin-1 mimetic peptide promotes neurological recovery after stroke in diabetic rats. CNS Neurosci Ther 2020; 27:48-59. [PMID: 33346402 PMCID: PMC7804913 DOI: 10.1111/cns.13541] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 12/11/2022] Open
Abstract
Aim Vasculotide (VT), an angiopoietin‐1 mimetic peptide, exerts neuroprotective effects in type one diabetic (T1DM) rats subjected to ischemic stroke. In this study, we investigated whether delayed VT treatment improves long‐term neurological outcome after stroke in T1DM rats. Methods Male Wistar rats were induced with T1DM, subjected to middle cerebral artery occlusion (MCAo) model of stroke, and treated with PBS (control), 2 µg/kg VT, 3 µg/kg VT, or 5.5 µg/kg VT. VT treatment was initiated at 24 h after stroke and administered daily (i.p) for 14 days. We evaluated neurological function, lesion volume, vascular and white matter remodeling, and inflammation in the ischemic brain. In vitro, we evaluated the effects of VT on endothelial cell capillary tube formation and inflammatory responses of primary cortical neurons (PCN) and macrophages. Results Treatment of T1DM‐stroke with 3 µg/kg VT but not 2 µg/kg or 5.5 µg/kg significantly improves neurological function and decreases infarct volume and cell death compared to control T1DM‐stroke rats. Thus, 3 µg/kg VT dose was employed in all subsequent in vivo analysis. VT treatment significantly increases axon and myelin density, decreases demyelination, decreases white matter injury, increases number of oligodendrocytes, and increases vascular density in the ischemic border zone of T1DM stroke rats. VT treatment significantly decreases MMP9 expression and decreases the number of M1 macrophages in the ischemic brain of T1DM‐stroke rats. In vitro, VT treatment significantly decreases endothelial cell death and decreases MCP‐1, endothelin‐1, and VEGF expression under high glucose (HG) and ischemic conditions and significantly increases capillary tube formation under HG conditions when compared to non‐treated control group. VT treatment significantly decreases inflammatory factor expression such as MMP9 and MCP‐1 in macrophages subjected to LPS activation and significantly decreases IL‐1β and MMP9 expression in PCN subjected to ischemia under HG conditions. Conclusion Delayed VT treatment (24 h after stroke) significantly improves neurological function, promotes vascular and white matter remodeling, and decreases inflammation in the ischemic brain after stroke in T1DM rats.
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Affiliation(s)
- Poornima Venkat
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, USA
| | - Ruizhuo Ning
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, USA
| | - Alex Zacharek
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, USA
| | - Lauren Culmone
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, USA
| | - Linlin Liang
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, USA
| | | | - Michael Chopp
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, USA.,Department of Physics, Oakland University, Rochester, Michigan, USA
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25
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Januszewski AS, Watson CJ, O'Neill V, McDonald K, Ledwidge M, Robson T, Jenkins AJ, Keech AC, McClements L. FKBPL is associated with metabolic parameters and is a novel determinant of cardiovascular disease. Sci Rep 2020; 10:21655. [PMID: 33303872 PMCID: PMC7730138 DOI: 10.1038/s41598-020-78676-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 11/30/2020] [Indexed: 12/04/2022] Open
Abstract
Type 2 diabetes (T2D) is associated with increased risk of cardiovascular disease (CVD). As disturbed angiogenesis and endothelial dysfunction are strongly implicated in T2D and CVD, we aimed to investigate the association between a novel anti-angiogenic protein, FK506-binding protein like (FKBPL), and these diseases. Plasma FKBPL was quantified by ELISA cross-sectionally in 353 adults, consisting of 234 T2D and 119 non-diabetic subjects with/without CVD, matched for age, BMI and gender. FKBPL levels were higher in T2D (adjusted mean: 2.03 ng/ml ± 0.90 SD) vs. non-diabetic subjects (adjusted mean: 1.79 ng/ml ± 0.89 SD, p = 0.02), but only after adjustment for CVD status. In T2D, FKBPL was negatively correlated with fasting blood glucose, HbA1c and diastolic blood pressure (DBP), and positively correlated with age, known diabetes duration, waist/hip ratio, urinary albumin/creatinine ratio (ACR) and fasting C-peptide. FKBPL plasma concentrations were increased in the presence of CVD, but only in the non-diabetic group (CVD: 2.02 ng/ml ± 0.75 SD vs. no CVD: 1.68 ng/ml ± 0.79 SD, p = 0.02). In non-diabetic subjects, FKBPL was positively correlated with an established biomarker for CVD, B-type Natriuretic Peptide (BNP), and echocardiographic parameters of diastolic dysfunction. FKBPL was a determinant of CVD in the non-diabetic group in addition to age, gender, total-cholesterol and systolic blood pressure (SBP). FKBPL may be a useful anti-angiogenic biomarker in CVD in the absence of diabetes and could represent a novel CVD mechanism.
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Affiliation(s)
| | - Chris J Watson
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, Belfast, UK
| | - Vikki O'Neill
- Centre for Public Health, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, Belfast, UK
| | - Kenneth McDonald
- STOP-HF Unit, St. Vincent's University Hospital, Dublin 4, Ireland
- School of Medicine, University College Dublin, Dublin, Ireland
| | - Mark Ledwidge
- STOP-HF Unit, St. Vincent's University Hospital, Dublin 4, Ireland
- School of Medicine, University College Dublin, Dublin, Ireland
| | - Tracy Robson
- School of Pharmacy and Biomolecular Sciences, Irish Centre for Vascular Biology, RCSI University of Medicine and Health Sciences, Dublin, Ireland
| | - Alicia J Jenkins
- NHMRC Clinical Trials Centre, University of Sydney, Sydney, NSW, Australia
| | - Anthony C Keech
- NHMRC Clinical Trials Centre, University of Sydney, Sydney, NSW, Australia
| | - Lana McClements
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, Belfast, UK.
- School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia.
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26
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Barbagallo F, Campolo F, Franceschini E, Crecca E, Pofi R, Isidori AM, Venneri MA. PDE5 Inhibitors in Type 2 Diabetes Cardiovascular Complications. ENDOCRINES 2020; 1:90-101. [DOI: 10.3390/endocrines1020009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
Abstract
Pharmacological inhibition of Phosphodiesterase type 5 (PDE5) proved its efficacy treating several pathological conditions, such as erectile dysfunction and pulmonary hypertension. Nowadays, its benefits on cardiovascular diseases are well documented, particularly in the treatment of type 2 diabetes (T2DM)-related cardiovascular complications. In this context, treatment of T2DM with PDE5 inhibitors, such as sildenafil, tadalafil or vardenafil ameliorates endothelial dysfunction both in patients and animal models through an augmented flow mediated dilation rate and an up-regulation of endothelial markers; it also reduces the inflammatory state by down-regulating inflammatory cytokines expression and improves diabetic cardiomyopathy and ischemia-reperfusion injury mainly through the activation of NO-cGMP-PKG pathway. The present review summarizes the state of art on PDE5 inhibition in the treatment of cardiovascular complications in T2DM.
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27
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Chakroborty D, Goswami S, Basu S, Sarkar C. Catecholamines in the regulation of angiogenesis in cutaneous wound healing. FASEB J 2020; 34:14093-14102. [PMID: 32949437 DOI: 10.1096/fj.202001701r] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/04/2020] [Accepted: 08/24/2020] [Indexed: 12/13/2022]
Abstract
Angiogenesis involves the formation of new blood vessels from preexisting ones, and it is an essential step during cutaneous wound healing, which supports cells at the wound site with nutrition and oxygen. Impaired angiogenesis in the wound tissues results in delayed wound closure and healing. Among the regulators of angiogenesis, the role of catecholamines (epinephrine, norepinephrine, and dopamine) is of interest due to their diverse roles in the process of wound healing. While both norepinephrine and epinephrine mostly inhibit the angiogenic process in cutaneous wounds, dopamine, the other member of the catecholamine family, has interesting and contradictory roles in the regulation of angiogenesis in the wound beds, depending on the type of dopamine receptor involved. The stimulation of dopamine D2 receptors negatively regulates the angiogenic process in normal dermal wounds and thereby delays healing, whereas the stimulation of dopamine D1 receptors promotes angiogenesis and expedites healing in diabetic wounds. Importantly, catecholamines also play important roles in other pathological conditions, and specific agonists and antagonists of catecholamines are available for the treatment of some disorders. Therefore, such drugs may be utilized for the management of angiogenesis to promote the healing of dermal wounds. This review provides a broad overview of the angiogenic process during cutaneous wound healing and the regulatory roles played by catecholamines during the process.
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Affiliation(s)
| | - Sandeep Goswami
- Department of Pathology, Ohio State University, Columbus, OH, USA
| | - Sujit Basu
- Department of Pathology, Ohio State University, Columbus, OH, USA.,Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA.,Department of Medical Oncology, Ohio State University, Columbus, OH, USA
| | - Chandrani Sarkar
- Department of Pathology, Ohio State University, Columbus, OH, USA.,Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA
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28
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Tanase C, Gheorghisan-Galateanu AA, Popescu ID, Mihai S, Codrici E, Albulescu R, Hinescu ME. CD36 and CD97 in Pancreatic Cancer versus Other Malignancies. Int J Mol Sci 2020; 21:E5656. [PMID: 32781778 PMCID: PMC7460590 DOI: 10.3390/ijms21165656] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 07/31/2020] [Accepted: 08/04/2020] [Indexed: 02/06/2023] Open
Abstract
Starting from the recent identification of CD36 and CD97 as a novel marker combination of fibroblast quiescence in lung during fibrosis, we aimed to survey the literature in search for facts about the separate (or concomitant) expression of clusters of differentiation CD36 and CD97 in either tumor- or pancreatic-cancer-associated cells. Here, we provide an account of the current knowledge on the diversity of the cellular functions of CD36 and CD97 and explore their potential (common) contributions to key cellular events in oncogenesis or metastasis development. Emphasis is placed on quiescence as an underexplored mechanism and/or potential target in therapy. Furthermore, we discuss intricate signaling mechanisms and networks involving CD36 and CD97 that may regulate different subpopulations of tumor-associated cells, such as cancer-associated fibroblasts, adipocyte-associated fibroblasts, tumor-associated macrophages, or neutrophils, during aggressive pancreatic cancer. The coexistence of quiescence and activated states in cancer-associated cell subtypes during pancreatic cancer should be better documented, in different histological forms. Remodeling of the local microenvironment may also change the balance between growth and dormant state. Taking advantage of the reported data in different other tissue types, we explore the possibility to induce quiescence (similar to that observed in normal cells), as a therapeutic option to delay the currently observed clinical outcome.
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Affiliation(s)
- Cristiana Tanase
- Victor Babeș National Institute of Pathology, 99-101 Splaiul Independentei, 050096 Bucharest, Romania; (I.D.P.); (S.M.); (E.C.); (R.A.); (M.E.H.)
- Faculty of Medicine, Titu Maiorescu University, 001863 Bucharest, Romania
| | - Ancuta-Augustina Gheorghisan-Galateanu
- Department of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, 8 Eroilor Sanitari Str., 050474 Bucharest, Romania;
- ‘C.I. Parhon’ National Institute of Endocrinology, 001863 Bucharest, Romania
| | - Ionela Daniela Popescu
- Victor Babeș National Institute of Pathology, 99-101 Splaiul Independentei, 050096 Bucharest, Romania; (I.D.P.); (S.M.); (E.C.); (R.A.); (M.E.H.)
| | - Simona Mihai
- Victor Babeș National Institute of Pathology, 99-101 Splaiul Independentei, 050096 Bucharest, Romania; (I.D.P.); (S.M.); (E.C.); (R.A.); (M.E.H.)
| | - Elena Codrici
- Victor Babeș National Institute of Pathology, 99-101 Splaiul Independentei, 050096 Bucharest, Romania; (I.D.P.); (S.M.); (E.C.); (R.A.); (M.E.H.)
| | - Radu Albulescu
- Victor Babeș National Institute of Pathology, 99-101 Splaiul Independentei, 050096 Bucharest, Romania; (I.D.P.); (S.M.); (E.C.); (R.A.); (M.E.H.)
- National Institute for Chemical Pharmaceutical R&D, 001863 Bucharest, Romania
| | - Mihail Eugen Hinescu
- Victor Babeș National Institute of Pathology, 99-101 Splaiul Independentei, 050096 Bucharest, Romania; (I.D.P.); (S.M.); (E.C.); (R.A.); (M.E.H.)
- Department of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, 8 Eroilor Sanitari Str., 050474 Bucharest, Romania;
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Biessels GJ, Nobili F, Teunissen CE, Simó R, Scheltens P. Understanding multifactorial brain changes in type 2 diabetes: a biomarker perspective. Lancet Neurol 2020; 19:699-710. [PMID: 32445622 DOI: 10.1016/s1474-4422(20)30139-3] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 03/20/2020] [Accepted: 04/08/2020] [Indexed: 12/14/2022]
Abstract
People with type 2 diabetes are at an increased risk of cognitive impairment and dementia (including Alzheimer's disease), as well as subtle forms of cognitive dysfunction. Current diabetes guidelines recommend screening for cognitive impairment in groups at high risk and providing guidance for diabetes management in patients with diabetes and cognitive impairment. Yet, no disease-modifying treatment is available and important questions remain about the mechanisms underlying diabetes-associated cognitive dysfunction. These mechanisms are likely to be multifactorial and different for subtle and more severe forms of diabetes-associated cognitive dysfunction. Over the past years, research on dementia, brain ageing, diabetes, and vascular disease has identified novel biomarkers of specific dementia aetiologies, brain parenchymal injury, and cerebral blood flow and metabolism. These markers shed light on the processes underlying diabetes-associated cognitive dysfunction, have clear applications in current research and increasingly in clinical diagnosis, and might ultimately guide targeted treatment.
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Affiliation(s)
- Geert Jan Biessels
- Department of Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, Netherlands.
| | - Flavio Nobili
- Department of Neuroscience, Ophthalmology, Genetics, and Child and Mother Health, University of Genoa, Genoa, Italy; Clinical Neurology Unit, IRCSS Ospedale Policlinico San Martino, Genoa, Italy
| | - Charlotte E Teunissen
- Neurochemistry Laboratory and Biobank, Department of Clinical Chemistry, Amsterdam, Netherlands
| | - Rafael Simó
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Philip Scheltens
- Department of Neurology and Alzheimer Center, VU University Medical Center Amsterdam, Amsterdam, Netherlands
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30
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Huang J, Gao C, Dong J, Zhang J, Jiang R. Drug treatment of chronic subdural hematoma. Expert Opin Pharmacother 2020; 21:435-444. [PMID: 31957506 DOI: 10.1080/14656566.2020.1713095] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jinhao Huang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education, Tianjin, China
| | - Chuang Gao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education, Tianjin, China
| | - Jingfei Dong
- Division of Hematology, Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
| | - Jianning Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education, Tianjin, China
| | - Rongcai Jiang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Tianjin Medical University General Hospital, Ministry of Education, Tianjin, China
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31
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Sokolovska J, Stefanovics J, Gersone G, Pahirko L, Valeinis J, Kalva-Vaivode S, Rovite V, Blumfelds L, Pirags V, Tretjakovs P. Angiopoietin 2 and Neuropeptide Y are Associated with Diabetic Kidney Disease in Type 1 Diabetes Mellitus. Exp Clin Endocrinol Diabetes 2020; 128:654-662. [PMID: 31958847 DOI: 10.1055/a-1079-4711] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Serum angiopoietin 2 levels have been associated with endothelial dysfunction and diabetic kidney disease. Derangements in autonomous nervous system lead to increased production of vasoconstrictory and angiogenic mediators such as norepinephrine and neuropeptide Y and are associated with increased risk of microvascular complications. AIM To investigate associations between angiopoietin 2, neuropeptide Y and diabetic kidney disease in patients with type 1 diabetes mellitus. METHODS 289 patients with type 1 diabetes mellitus duration > 1 year were included. Patients were stratified according to presence of diabetic nephropathy (macroalbuminuria, estimated glomerular filtration rate<60 ml/min/1.73 m2 or end-stage renal disease). Angiopoietin 2 was measured by Luminex technology. Neuropeptide Y was measured by ELISA. RESULTS Patients with diabetic nephropathy had significantly increased levels of angiopoietin 2 (4020.5 (2172.4-5778.1) pg/ml vs. 2001.0 (1326.7-2862.7) pg/ml) and neuropeptide Y (18.22 (14.85-21.85) ng/ml vs. 12.91 (9.96-17.07) ng/ml). Higher levels of angiopoietin 2 and neuropeptide Y were observed also in patients with arterial hypertension. Angiopoietin 2 and neuropeptide Y correlated significantly (ρ=0.245, p<0.001). Both biomarkers were significant predictors of estimated glomerular filtration rate and diabetic nephropathy in univariate regression models. In the fully adjusted regression models and after application of a stepwise selection regression method, angiopoietin 2 demonstrated a stronger predictive power for diabetic nephropathy compared to neuropeptide Y. CONCLUSION Diabetic nephropathy is associated with increased serum concentrations of angiopoietin 2 (marker of endothelial dysfunction) and neuropeptide Y (marker of sympathetic activity) in type 1 diabetes. Angiopoietin 2 is a more potent predictor of diabetic nephropathy compared to neuropeptide Y.
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Affiliation(s)
| | | | - Gita Gersone
- Faculty of Medicine, Department of Human Physiology and Biochemistry, Riga Stradins University, Latvia
| | - Leonora Pahirko
- Faculty of Physics, Mathematics and Optometry, University of Latvia, Riga, Latvia
| | - Janis Valeinis
- Faculty of Physics, Mathematics and Optometry, University of Latvia, Riga, Latvia
| | | | - Vita Rovite
- Latvian Biomedical Research and Study Centre, Riga, Latvia
| | - Leons Blumfelds
- Faculty of Medicine, Department of Human Physiology and Biochemistry, Riga Stradins University, Latvia
| | - Valdis Pirags
- Faculty of Medicine, University of Latvia, Riga, Latvia.,Pauls Stradins Clinical University Hospital, Riga, Latvia.,Latvian Biomedical Research and Study Centre, Riga, Latvia
| | - Peteris Tretjakovs
- Faculty of Medicine, Department of Human Physiology and Biochemistry, Riga Stradins University, Latvia
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Teleanu RI, Chircov C, Grumezescu AM, Teleanu DM. Tumor Angiogenesis and Anti-Angiogenic Strategies for Cancer Treatment. J Clin Med 2019; 9:E84. [PMID: 31905724 PMCID: PMC7020037 DOI: 10.3390/jcm9010084] [Citation(s) in RCA: 276] [Impact Index Per Article: 55.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 12/17/2019] [Accepted: 12/19/2019] [Indexed: 12/11/2022] Open
Abstract
Angiogenesis is the process through which novel blood vessels are formed from pre-existing ones and it is involved in both physiological and pathological processes of the body. Furthermore, tumor angiogenesis is a crucial factor associated with tumor growth, progression, and metastasis. In this manner, there has been a great interest in the development of anti-angiogenesis strategies that could inhibit tumor vascularization. Conventional approaches comprise the administration of anti-angiogenic drugs that target and block the activity of proangiogenic factors. However, as their efficacy is still a matter of debate, novel strategies have been focusing on combining anti-angiogenic agents with chemotherapy or immunotherapy. Moreover, nanotechnology has also been investigated for the potential of nanomaterials to target and release anti-angiogenic drugs at specific sites. The aim of this paper is to review the mechanisms involved in angiogenesis and tumor vascularization and provide an overview of the recent trends in anti-angiogenic strategies for cancer therapy.
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Affiliation(s)
- Raluca Ioana Teleanu
- “Victor Gomoiu” Clinical Children’s Hospital, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania;
| | - Cristina Chircov
- Faculty of Engineering in Foreign Languages, 060042 Bucharest, Romania;
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania
| | - Daniel Mihai Teleanu
- Emergency University Hospital, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania;
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Wang F, Liu Y, Xu H, Qian Y, Zou J, Yi H, Guan J, Yin S. Association between Upper-airway Surgery and Ameliorative Risk Markers of Endothelial Function in Obstructive Sleep Apnea. Sci Rep 2019; 9:20157. [PMID: 31882827 PMCID: PMC6934655 DOI: 10.1038/s41598-019-56601-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 12/13/2019] [Indexed: 12/01/2022] Open
Abstract
The objective of our study was to evaluate the effects of upper-airway surgery on improvement of endothelial function-related markers in patients with obstructive sleep apnea (OSA). Subjects with moderate to severe OSA who underwent upper-airway surgery, with a follow-up duration of at least 6 months, were included. Pre- and postoperative polysomnographic variables and endothelial function-related markers were compared. Subgroup and correlation analyses were conducted to find possible indicators for better endothelial function-related markers after upper-airway surgery. In total, 44 patients with OSA were included. The mean follow-up duration was 1.72 ± 0.92 years. Serum VEGFA [-20.29 (CI: -35.27, -5.31), p < 0.05], Ang2 [-0.06 (CI: -0.16, 0.03), p < 0.05], E-selectin [-7.21 (CI: -11.01, -3.41), p < 0.001], VWF [-58.83 (CI: -103.93, -13.73), p < 0.05], VWFCP [-33.52 (CI: -66.34, -0.70), p < 0.05], and TM [-0.06 (CI: -0.09, -0.03), p < 0.05] were significantly lower after upper-airway surgery. However, other risk markers of endothelial function, such as Ang1, ICAM1, VEGFR1, and VCAM, did not change significantly. Correlations between improved endothelial function-related markers and ameliorated oxyhemoglobin saturation and glucolipid metabolism were established. Upper-airway surgery might be associated with an improvement in endothelial function in patients with OSA. These changes may be associated with improved oxygen saturation after upper-airway surgery.
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Affiliation(s)
- Fan Wang
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Yishan Road 600, Shanghai, 200233, China
| | - Yuenan Liu
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Yishan Road 600, Shanghai, 200233, China
| | - Huajun Xu
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China.
- Shanghai Key Laboratory of Sleep Disordered Breathing, Yishan Road 600, Shanghai, 200233, China.
- Clinical Research Center, Shanghai Jiao Tong University School of Medicine, South Chongqing Road 225, 200020, Shanghai, China.
| | - Yingjun Qian
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Yishan Road 600, Shanghai, 200233, China
- Clinical Research Center, Shanghai Jiao Tong University School of Medicine, South Chongqing Road 225, 200020, Shanghai, China
| | - Jianyin Zou
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China.
- Shanghai Key Laboratory of Sleep Disordered Breathing, Yishan Road 600, Shanghai, 200233, China.
- Clinical Research Center, Shanghai Jiao Tong University School of Medicine, South Chongqing Road 225, 200020, Shanghai, China.
| | - Hongliang Yi
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Yishan Road 600, Shanghai, 200233, China
- Clinical Research Center, Shanghai Jiao Tong University School of Medicine, South Chongqing Road 225, 200020, Shanghai, China
| | - Jian Guan
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Yishan Road 600, Shanghai, 200233, China
- Clinical Research Center, Shanghai Jiao Tong University School of Medicine, South Chongqing Road 225, 200020, Shanghai, China
| | - Shankai Yin
- Department of Otolaryngology Head and Neck Surgery & Center of Sleep Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Yishan Road 600, Shanghai, 200233, China
- Clinical Research Center, Shanghai Jiao Tong University School of Medicine, South Chongqing Road 225, 200020, Shanghai, China
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Nicolini G, Forini F, Kusmic C, Iervasi G, Balzan S. Angiopoietin 2 signal complexity in cardiovascular disease and cancer. Life Sci 2019; 239:117080. [PMID: 31756341 DOI: 10.1016/j.lfs.2019.117080] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 12/12/2022]
Abstract
The angiopoietin signal transduction system is a complex of vascular-specific kinase pathways that plays a crucial role in angiogenesis and maintenance of vascular homeostasis. Angiopoietin1 (Ang1) and 2 (Ang2), the ligand proteins of the pathway, belong to a family of glycoproteins that signal primarily through the transmembrane Tyrosine-kinase-2 receptor. Despite a considerable sequence homology, Ang1 and Ang2 manifest antagonistic effects in pathophysiological conditions. While Ang1 promotes the activation of survival pathways and the stabilization of the normal mature vessels, Ang2 can either favor vessel destabilization and leakage or promote abnormal EC proliferation in a context-dependent manner. Altered Ang1/Ang2 balance has been reported in various pathological conditions in association with inflammation and deregulated angiogenesis. In particular, increased Ang2 levels have been documented in human cancer and cardiovascular disease (CVD), including ischemic myocardial injury, heart failure and other cardiovascular complications secondary to diabetes, chronic renal damage and hypertension. Despite the obvious phenotypic differences, CVD and cancer share some common Ang2-dependent etiopathological mechanisms such as inflammation, epithelial (or endothelial) to mesenchymal transition, and adverse vascular network remodeling. Interestingly, both cancer and CVD are negatively affected by thyroid hormone dyshomeostasis. This review provides an overview of the complex Ang2-dependent signaling involved in CVD and cancer, as well as a survey of the related clinical literature. Moreover, on the basis of recent molecular acquisitions in an experimental model of post ischemic cardiac disease, the putative novel role of the thyroid hormone in the regulation of Ang1/Ang2 balance is also briefly discussed.
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Affiliation(s)
| | - Francesca Forini
- Institute of Clinical Physiology, CNR, Via G.Moruzzi 1, 56124 Pisa, Italy.
| | - Claudia Kusmic
- Institute of Clinical Physiology, CNR, Via G.Moruzzi 1, 56124 Pisa, Italy.
| | - Giorgio Iervasi
- Institute of Clinical Physiology, CNR, Via G.Moruzzi 1, 56124 Pisa, Italy.
| | - Silvana Balzan
- Institute of Clinical Physiology, CNR, Via G.Moruzzi 1, 56124 Pisa, Italy.
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Tian R, Wang X, Pan T, Li R, Wang J, Liu Z, Chen E, Mao E, Tan R, Chen Y, Liu J, Qu H. Plasma PTX3, MCP1 and Ang2 are early biomarkers to evaluate the severity of sepsis and septic shock. Scand J Immunol 2019; 90:e12823. [PMID: 31489646 PMCID: PMC6900011 DOI: 10.1111/sji.12823] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 08/19/2019] [Accepted: 08/29/2019] [Indexed: 12/12/2022]
Abstract
Sepsis is associated with significant mortality. Early diagnosis and prognosis of patients with sepsis is still a difficult clinical challenge. In this study, the ability of plasma PTX3 (pentraxin 3), MCP1 (monocyte chemoattractant protein 1) and Ang (angiopoietin)1/2 was investigated to evaluate the severity of sepsis. Blood samples were obtained from 43 patients with sepsis. A total of 33 post‐surgery patients with infections and 25 healthy individuals served as controls. The results showed that plasma PTX3, MCP1 and Ang2 significantly increased in patients on the first day of septic shock onset, while sepsis patients had significantly higher Ang2 level, compared with controls. Furthermore, PTX3, MCP1 and Ang2 had high AUROC values in patients with septic shock on the first day of sepsis onset. The findings suggest that PTX3, MCP1 and Ang2 maybe early predictors to evaluate the severity of sepsis and septic shock with the latest Sepsis 3.0 definitions.
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Affiliation(s)
- Rui Tian
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoli Wang
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tingting Pan
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ranran Li
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiahui Wang
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhaojun Liu
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Erzhen Chen
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Enqiang Mao
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ruoming Tan
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yang Chen
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jialin Liu
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongping Qu
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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36
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Raj V, Claudine S, Subramanian A, Tam K, Biswas A, Bongso A, Fong CY. Histological, immunohistochemical, and genomic evaluation of excisional and diabetic wounds treated with human Wharton's jelly stem cells with and without a nanocarrier. J Cell Biochem 2019; 120:11222-11240. [PMID: 30706534 DOI: 10.1002/jcb.28398] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/15/2018] [Accepted: 01/10/2019] [Indexed: 01/24/2023]
Abstract
We showed in previous studies that human umbilical cord Wharton's jelly stem cells (hWJSCs) improved the healing rates of excisional and diabetic wounds in the mouse model. As an extension of those studies, we report here the more detailed quantitative histological, immunohistochemical, and genomic evaluation of biopsies from those excisional and diabetic wounds in an attempt to understand the mechanisms of the enhanced wound healing aided by hWJSCs. Bright-field microscopic observations and ImageJ software analysis on histological sections of the excisional and diabetic wound biopsies collected at different time points showed that the thickness of the epidermis and dermis, and positive picrosirius-red stained areas for collagen, were significantly greater in the presence of hWJSCs compared with controls (P < 0.05). Immunohistochemistry of the diabetic wound biopsies showed increased positive staining for the vascular endothelial marker CD31 and cell proliferation marker Ki67 in the presence of hWJSCs and its conditioned medium (hWJSC-CM). Quantitative real-time polymerase chain reaction showed upregulation of groups of genes involved in extracellular matrix regulation, collagen biosynthesis, angiogenesis, antifibrosis, granulation, and immunomodulation in the presence of hWJSCs. Taken together, the results demonstrated that hWJSCs and hWJSC-CM that contains the paracrine secretions of hWJSCs, enhance the healing of excisional and diabetic wounds via re-epithelialization, collagen deposition, angiogenesis, and immunomodulation. The inclusion of an Aloe vera-polycaprolactone (AV/PCL) nanocarrier did not significantly change the effect of the hWJSCs. However, the topical application of an AV/PCL nanocarrier impregnated with hWJSCs is convenient and less invasive than the administration of hWJSC injections into wounds.
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Affiliation(s)
- Vaishnevi Raj
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University Health System, National University of Singapore, Singapore
| | - Stephanie Claudine
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University Health System, National University of Singapore, Singapore
| | - Arjunan Subramanian
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University Health System, National University of Singapore, Singapore
| | - Kimberley Tam
- BioSystems and Micromechanics IRG, Singapore-MIT Alliance in Research and Technology, Singapore
| | - Arijit Biswas
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University Health System, National University of Singapore, Singapore
| | - Ariff Bongso
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University Health System, National University of Singapore, Singapore
| | - Chui-Yee Fong
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University Health System, National University of Singapore, Singapore
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Alwhaibi A, Verma A, Adil MS, Somanath PR. The unconventional role of Akt1 in the advanced cancers and in diabetes-promoted carcinogenesis. Pharmacol Res 2019; 145:104270. [PMID: 31078742 PMCID: PMC6659399 DOI: 10.1016/j.phrs.2019.104270] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 04/03/2019] [Accepted: 05/08/2019] [Indexed: 12/15/2022]
Abstract
Decades of research have elucidated the critical role of Akt isoforms in cancer as pro-tumorigenic and metastatic regulators through their specific effects on the cancer cells, tumor endothelial cells and the stromal cells. The pro-cancerous role of Akt isoforms through enhanced cell proliferation and suppression of apoptosis in cancer cells and the cells in the tumor microenvironment is considered a dogma. Intriguingly, studies also indicate that the Akt pathway is essential to protect the endothelial-barrier and prevent aberrant vascular permeability, which is also integral to tumor perfusion and metastasis. To complicate this further, a flurry of recent reports strongly indicates the metastasis suppressive role of Akt, Akt1 in particular in various cancer types. These reports emanated from different laboratories have elegantly demonstrated the paradoxical effect of Akt1 on cancer cell epithelial-to-mesenchymal transition, invasion, tumor endothelial-barrier disruption, and cancer metastasis. Here, we emphasize on the specific role of Akt1 in mediating tumor cell-vasculature reciprocity during the advanced stages of cancers and discuss how Akt1 differentially regulates cancer metastasis through mechanisms distinct from its pro-tumorigenic effects. Since Akt is integral for insulin signaling, endothelial function, and metabolic regulation, we also attempt to shed some light on the specific effects of diabetes in modulating Akt pathway in the promotion of tumor growth and metastasis.
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Affiliation(s)
- Abdulrahman Alwhaibi
- Program in Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and the Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Arti Verma
- Program in Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and the Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Mir S Adil
- Program in Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and the Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Payaningal R Somanath
- Program in Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and the Charlie Norwood VA Medical Center, Augusta, GA, USA; Department of Medicine, Vascular Biology Center and Cancer Center, Augusta University, USA.
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Venneri MA, Barbagallo F, Fiore D, De Gaetano R, Giannetta E, Sbardella E, Pozza C, Campolo F, Naro F, Lenzi A, Isidori AM. PDE5 Inhibition Stimulates Tie2-Expressing Monocytes and Angiopoietin-1 Restoring Angiogenic Homeostasis in Diabetes. J Clin Endocrinol Metab 2019; 104:2623-2636. [PMID: 31102457 DOI: 10.1210/jc.2018-02525] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 03/08/2019] [Indexed: 02/13/2023]
Abstract
CONTEXT Vascular dysfunction is a common feature in end-organ complications of type 2 diabetes mellitus (T2DM). The endothelium-specific receptor tyrosine kinase Tie2 and its ligand, angiopoietin-1 (Ang1), participate in the processes of vessel repair, renewal, and maturation. However, their dysregulation in T2DM has seldom been investigated. OBJECTIVES To examine the relationship between angiogenic Tie2-expressing monocytes (TEMs) and Ang1, and their pharmacological modulation by the phosphodiesterase type 5 inhibitor (PDE5i) sildenafil, in T2DM and in db/db mouse model. DESIGN AND SETTING Randomized, double-blind, placebo-controlled study. PATIENTS AND INTERVENTION db/db male mice were randomly assigned to receive 8 weeks of sildenafil or vehicle. Diabetic men were randomly assigned to receive 4 weeks of sildenafil or placebo. MAIN OUTCOMES AND MEASURES Peripheral blood cells were investigated by flow cytometry to quantify inflammatory myeloid CD11b+ Gr1+ cells and proangiogenic TEMs in mice and classical CD14++CD16neg monocytes and proangiogenic TEMs in humans at baseline and after treatment. In vitro human tube formation assay was used to test serum angiogenic potential. RESULTS We show that TEMs and Ang1 are defective in mouse and human models of diabetes and are normalized by PDE5i treatment. Serum angiogenic properties are impaired in diabetes because they do not support the in vitro formation of capillary-like structures, but they are reestablished by in vivo PDE5i treatment. CONCLUSIONS Restoring a more physiological Tie2-Ang1 axis with sildenafil reestablishes serum angiogenic properties in diabetes, promoting angiogenic homeostasis.
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Affiliation(s)
- Mary Anna Venneri
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Federica Barbagallo
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Daniela Fiore
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Rita De Gaetano
- Department of Anatomical, Histological, Forensic and Orthopedic Sciences, Sapienza University of Rome, Rome, Italy
| | - Elisa Giannetta
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Emilia Sbardella
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Carlotta Pozza
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Federica Campolo
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Fabio Naro
- Department of Anatomical, Histological, Forensic and Orthopedic Sciences, Sapienza University of Rome, Rome, Italy
| | - Andrea Lenzi
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Andrea M Isidori
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
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Giannattasio S, Corinaldesi C, Colletti M, Di Luigi L, Antinozzi C, Filardi T, Scolletta S, Basili S, Lenzi A, Morano S, Crescioli C. The phosphodiesterase 5 inhibitor sildenafil decreases the proinflammatory chemokine IL-8 in diabetic cardiomyopathy: in vivo and in vitro evidence. J Endocrinol Invest 2019; 42:715-725. [PMID: 30415310 PMCID: PMC6531405 DOI: 10.1007/s40618-018-0977-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Accepted: 11/01/2018] [Indexed: 01/13/2023]
Abstract
PURPOSE Interleukin (IL)-8 is a proinflammatory C-X-C chemokine involved in inflammation underling cardiac diseases, primary or in comorbid condition, such diabetic cardiomyopathy (DCM). The phosphodiesterase type 5 inhibitor sildenafil can ameliorate cardiac conditions by counteracting inflammation. The study aim is to evaluate the effect of sildenafil on serum IL-8 in DCM subjects vs. placebo, and on IL-8 release in human endothelial cells (Hfaec) and peripheral blood mononuclear cells (PBMC) under inflammatory stimuli. METHODS IL-8 was quantified: in sera of (30) DCM subjects before (baseline) and after sildenafil (100 mg/day, 3-months) vs. (16) placebo and (15) healthy subjects, by multiplatform array; in supernatants from inflammation-challenged cells after sildenafil (1 µM), by ELISA. RESULTS Baseline IL-8 was higher in DCM vs. healthy subjects (149.14 ± 46.89 vs. 16.17 ± 5.38 pg/ml, p < 0.01). Sildenafil, not placebo, significantly reduced serum IL-8 (23.7 ± 5.9 pg/ml, p < 0.05 vs. baseline). Receiver operating characteristic (ROC) curve for IL-8 was 0.945 (95% confidence interval of 0.772 to 1.0, p < 0.01), showing good capacity of discriminating the response in terms of drug-induced IL-8 decrease (sensitivity of 0.93, specificity of 0.90). Sildenafil significantly decreased IL-8 protein release by inflammation-induced Hfaec and PBMC and downregulated IL-8 mRNA in PBMC, without affecting cell number or PDE5 expression. CONCLUSION Sildenafil might be suggested as potential novel pharmacological tool to control DCM progression through IL-8 targeting at systemic and cellular level.
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Affiliation(s)
- S Giannattasio
- Department of Movement, Human and Health Sciences, Section of Health Sciences, Unit of Endocrinology, Università degli Studi di Roma "Foro Italico", 00135, Rome, Italy
| | - C Corinaldesi
- Department of Movement, Human and Health Sciences, Section of Health Sciences, Unit of Endocrinology, Università degli Studi di Roma "Foro Italico", 00135, Rome, Italy
- Institute for Cancer Genetics, University of Columbia, New York, USA
| | - M Colletti
- Department of Movement, Human and Health Sciences, Section of Health Sciences, Unit of Endocrinology, Università degli Studi di Roma "Foro Italico", 00135, Rome, Italy
| | - L Di Luigi
- Department of Movement, Human and Health Sciences, Section of Health Sciences, Unit of Endocrinology, Università degli Studi di Roma "Foro Italico", 00135, Rome, Italy
| | - C Antinozzi
- Department of Movement, Human and Health Sciences, Section of Health Sciences, Unit of Endocrinology, Università degli Studi di Roma "Foro Italico", 00135, Rome, Italy
| | - T Filardi
- Department of Experimental Medicine, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - S Scolletta
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - S Basili
- Department of Internal Medicine and Medical Specialties, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - A Lenzi
- Department of Experimental Medicine, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - S Morano
- Department of Experimental Medicine, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - C Crescioli
- Department of Movement, Human and Health Sciences, Section of Health Sciences, Unit of Endocrinology, Università degli Studi di Roma "Foro Italico", 00135, Rome, Italy.
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40
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Löwen J, Gröne E, Gröne HJ, Kriz W. Herniation of the tuft with outgrowth of vessels through the glomerular entrance in diabetic nephropathy damages the juxtaglomerular apparatus. Am J Physiol Renal Physiol 2019; 317:F399-F410. [PMID: 31141396 DOI: 10.1152/ajprenal.00617.2018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
As shown in our previous paper (Kriz W, Löwen J, Federico G, van den Born J, Gröne E, Gröne HJ. Am J Physiol Renal Physiol 312: F1101-F1111, 2017), mesangial matrix expansion in diabetic nephropathy (DN) results for a major part from the accumulation of worn-out undegraded glomerular basement membrane material. Here, based on the reevaluation of >900 biopsies of DN, we show that this process continues with the progression of the disease finally leading to the herniation of the matrix-overloaded tuft through the glomerular entrance to the outside. This leads to severe changes in the glomerular surroundings, including a dissociation of the juxtaglomerular apparatus with displacement of the macula densa. The herniation is associated with a prominent outgrowth of glomerular vessels from the tuft. Mostly, these aberrant vessels are an abnormal type of arteriole with frequent intramural insudations of plasma. They spread into glomerular surroundings extending in intertubular and periglomerular spaces. Their formation is associated with elevated mRNA levels of vascular endothelial growth factor-A, angiopoietins 1 and 2, and the corresponding receptors. Functionally, these processes seem to compromise tubuloglomerular feedback-related functions and may be one factor why Na+-glucose cotransporter-2 inhibitors are not effective in advanced stages of DN.
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Affiliation(s)
- Jana Löwen
- Medical Faculty Mannheim, Department of Neuroanatomy, University of Heidelberg, Heidelberg, Germany.,German Cancer Research Center, Heidelberg, Germany
| | | | - Hermann-Josef Gröne
- German Cancer Research Center, Heidelberg, Germany.,Institute of Pharmacology, Philipps University, Marburg, Germany
| | - Wilhelm Kriz
- Medical Faculty Mannheim, Department of Neuroanatomy, University of Heidelberg, Heidelberg, Germany
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Puddu A, Sanguineti R, Maggi D, Nicolò M, Traverso CE, Cordera R, Viviani GL. Advanced Glycation End-Products and Hyperglycemia Increase Angiopoietin-2 Production by Impairing Angiopoietin-1-Tie-2 System. J Diabetes Res 2019; 2019:6198495. [PMID: 31828164 PMCID: PMC6881581 DOI: 10.1155/2019/6198495] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 10/11/2019] [Accepted: 10/18/2019] [Indexed: 12/19/2022] Open
Abstract
The angiopoietin-Tie-2 system plays a crucial role in the maintenance of endothelial integrity. Hyperglycemia and advanced glycation end-products (AGEs) are involved in endothelial cell dysfunction responsible of the pathogenesis of microvascular complications of diabetes. Here, we investigated whether glycated serum (GS) or hyperglycemia (HG) affect the angiopoietin-Tie-2 system in the microvascular endothelial cells HMEC-1. We found that culture for 5 days in the presence of AGEs and HG (alone or in combination) decreased cell proliferation, increased reactive oxygen species (ROS) production, and reduced ratio between the oxidized and the reduced form of glutathione. Since angiopoietin-1 (Ang-1) signaling regulates angiopoietin-2 (Ang-2) expression through inactivation of the forkhead transcription factor FoxO1, we investigated intracellular signaling of Ang-1 and expression of Ang-2. HG and AGEs reduced phosphorylation of Akt and abrogated phosphorylation of FoxO1 induced by Ang-1 without affecting neither Tie-2 expression nor its activation. Furthermore, AGEs and/or HG induced nuclear translocation of FoxO1 and increased Ang-2 production. In conclusion, we demonstrated that both hyperglycemia and AGEs affect the angiopoietin-Tie-2 system by impairing Ang-1/Tie-2 signaling and by increasing Ang-2 expression. These results suggest that therapeutic strategies useful in preventing or delaying the onset of diabetic vascular complications should be aimed to preserve Ang-1 signaling.
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Affiliation(s)
- Alessandra Puddu
- Department of Internal Medicine and Medical Specialties, University of Genova, Genova 16132, Italy
| | - Roberta Sanguineti
- Department of Internal Medicine and Medical Specialties, University of Genova, Genova 16132, Italy
| | - Davide Maggi
- Department of Internal Medicine and Medical Specialties, University of Genova, Genova 16132, Italy
| | - Massimo Nicolò
- Department of Neuroscience, Ophthalmology and Genetics, University of Genova, Genova 16132, Italy
- Fondazione per la Macula Onlus, Genova 16132, Italy
| | - Carlo E. Traverso
- Department of Neuroscience, Ophthalmology and Genetics, University of Genova, Genova 16132, Italy
| | - Renzo Cordera
- Department of Internal Medicine and Medical Specialties, University of Genova, Genova 16132, Italy
| | - Giorgio L. Viviani
- Department of Internal Medicine and Medical Specialties, University of Genova, Genova 16132, Italy
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Qian D, Song G, Ma Z, Wang G, Jin L, Hu M, Song Z, Wang X. MicroRNA-9 modified bone marrow-derived mesenchymal stem cells (BMSCs) repair severe acute pancreatitis (SAP) via inducing angiogenesis in rats. Stem Cell Res Ther 2018; 9:282. [PMID: 30359310 PMCID: PMC6202805 DOI: 10.1186/s13287-018-1022-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 09/11/2018] [Accepted: 09/28/2018] [Indexed: 02/08/2023] Open
Abstract
Background Severe acute pancreatitis (SAP) is an acute abdominal disease characterized by pancreatic necrosis and systemic disease. In a previous study, we showed that bone marrow-derived mesenchymal stem cells (BMSCs) can reduce SAP by secreting microRNA (miR)-9; however, the underlying mechanism remains unclear. The present study investigated the mechanism underlying BMSC-induced pancreatic regeneration. Methods BMSCs were isolated, and miR-9 modified/antagonized BMSCs (pri-miR-9-BMSCs/TuD-BMSCs) were generated and injected into SAP rats. The levels of inflammatory cytokines and histopathologic changes were examined using ELISA and H&E staining. Angiogenesis was analyzed by qRT-PCR, western blotting, and immunohistochemistry. Cell function tests, dual luciferase reporter assays, cell co-culture, western blotting, and cell tracing were used to explore the mechanisms underlying miR-9 induced angiogenesis. Results Pri-miR-9-BMSCs induced angiogenesis in SAP rats (Ang-1↑, TIE-2↑, and CD31↑) and repaired damaged vascular endothelial cells (VECs) in vitro, promoting angiogenesis (Ang-1↑, TIE-2↑, PI3K↑, AKT↑, p-AKT↑, CD31↑, and CD34↑). Pri-miR-9-BMSCs released miR-9 into VECs or injured pancreatic tissue, targeting the VE-cadherin gene and promoting PI3K/AKT signaling to treat SAP (VE-cadherin↓, β-catenin↓, PI3K↑, p-AKT↑), whereas antagonizing miR-9 in BMSCs did not alleviate or aggravated SAP. Conclusions Pri-miR-9-BMSCs can repair injured pancreatic tissue by secreting miR-9 and promoting angiogenesis. Electronic supplementary material The online version of this article (10.1186/s13287-018-1022-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Daohai Qian
- Department of General Surgery, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, China.,Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China.,Department of Pharmacology and Pharmaceutical Sciences, USC School of Pharmacy, Los Angeles, California, 90089, USA
| | - Guodong Song
- Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Zhilong Ma
- Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China
| | - Guannan Wang
- Department of General Surgery, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Lei Jin
- Department of Gastroenterology, The Second Affiliated Hospital of Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Minghua Hu
- Department of General Surgery, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, China
| | - Zhenshun Song
- Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Yanchang Road, Shanghai, 200072, China.
| | - Xiaoming Wang
- Department of General Surgery, Yijishan Hospital, Wannan Medical College, Wuhu, 241001, Anhui, China.
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Lee J, Bontekoe J, Trac B, Bansal V, Biller J, Hoppensteadt D, Maia P, Walborn A, Fareed J. Biomarker Profiling of Neurovascular Diseases in Patients with Stage 5 Chronic Kidney Disease. Clin Appl Thromb Hemost 2018; 24:248S-254S. [PMID: 30348002 PMCID: PMC6714821 DOI: 10.1177/1076029618807565] [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: 11/16/2022] Open
Abstract
Patients with stage 5 chronic kidney disease (CKD5D) have a higher risk of developing
neurocognitive deficits. Stroke, cervical carotid artery disease (CCAD), and intracranial
atherosclerotic disease (ICAD) are causes of such deficits in CKD5D. Chronic inflammation
from renal failure elevates risk for these diseases through oxidative stress and vascular
dysfunction. The adverse impact on the carotid and intracranial vasculatures contributes
to the multifactorial pathophysiology of stroke. Eleven plasma biomarker levels in
patients with CKD5D (n = 97) and healthy controls (n = 17-50) were measured using sandwich
enzyme-linked immunosorbent assay (ELISA) method. Of the 97 patients with CKD5D, 24 had
CCAD, 19 had ICAD, and 23 had acute stroke. Elevations in NACHT, LRR, and PYD
domains-containing protein 3 (NALP3) levels in patients with CKD5D (+)CCAD (1.80 ± 0.11
ng/mL) compared to patients with (−)CCAD (1.55 ± 0.08 ng/mL) were statistically
significant (P = .0299). Differences in D-dimer levels were also found to
be statistically significant (P = .0258) between CKD5D (+)stroke (1.83 ±
0.42 μg/mL) and (−)stroke (0.89 ± 0.13 μg/mL) groups. The ages of the (+) neurovascular
disease groups were found to be significantly elevated compared to the (−) neurovascular
disease groups (P = .0002 carotid AD; P < .0001 ICAD;
P = .0157 stroke). D-dimer levels were positively correlated with age
in CKD5D (P = .0375). With the possible exception of NALP3 for CCAD,
profiling levels of specific biomarkers for risk stratification of neurovascular diseases
in the CKD5D population warrants further investigation.
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Affiliation(s)
- Justin Lee
- Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Jack Bontekoe
- Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Brandon Trac
- Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Vinod Bansal
- Department of Nephrology, Loyola University Medical Center, Maywood, IL, USA
| | - José Biller
- Department of Neurology, Loyola University Medical Center, Maywood, IL, USA
| | - Debra Hoppensteadt
- Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Paula Maia
- Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Amanda Walborn
- Department of Pharmacology, Loyola University Medical Center, Maywood, IL, USA
| | - Jawed Fareed
- Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
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Weng Z, Wang C, Zhang C, Xu J, Chai Y, Jia Y, Han P, Wen G. All-trans retinoic acid improves the viability of ischemic skin flaps in diabetic rat models. Diabetes Res Clin Pract 2018; 142:385-392. [PMID: 29936250 DOI: 10.1016/j.diabres.2018.06.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 06/06/2018] [Accepted: 06/19/2018] [Indexed: 11/23/2022]
Abstract
AIMS Endothelial progenitor cells (EPCs) play a critical role in neovascularization, which enhances proliferation under all-trans retinoic acid (ATRA) treatment. However, the effects of ATRA on the skin flap survival in diabetic flap ischemia remains unknown. METHODS Ischemic random skin flaps were made in 40 diabetic Sprague-Dawley rats with 20 normal rats used as control in this study. At 7 days postoperatively, the surviving area of each skin flap was measured. Immunofluorescence staining was used to analyze capillary density and EPCs recruited to the flaps. The expression of ANG2 and VEGF was determined by Western blotting. Circulating EPC number was determined by flow cytometry. In vitro tube formation experiment was used to analyze the function of EPCs. RESULTS The flap survival rate and capillary density of ATRA-treated flap were significantly increased. Fluorescence-activated cell sorting (FACS) analysis demonstrated a marked increase in systemic CD34+/Flk-1+ EPCs in ATRA-treated rat. The expression of ANG2 and VEGF was increased in diabetic flap tissues under ATRA administration. Furthermore, ATRA administration restored the impaired function of diabetic EPCs in tube formation. CONCLUSION ATRA could notably exert preventive effects against skin flap necrosis and promote neovascularization in diabetic rats, which may partially through elevating the expression of ANG2 and VEGF, and augmenting EPC mobilization.
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Affiliation(s)
- Zhenjun Weng
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Chunyang Wang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Cheng Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Jia Xu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China.
| | - Yimin Chai
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China.
| | - Yachao Jia
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Pei Han
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Gen Wen
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
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Siddiqui K, Joy SS, Nawaz SS, Al Otaibi MT, Al-Rubeaan K. Angiopoietin-2 level as a tool for cardiovascular risk stratification in hypertensive type 2 diabetic subjects. Postgrad Med 2018; 130:402-408. [DOI: 10.1080/00325481.2018.1469370] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Khalid Siddiqui
- Strategic Center for Diabetes Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Salini Scaria Joy
- Strategic Center for Diabetes Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Shaik Sarfaraz Nawaz
- Strategic Center for Diabetes Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | - Khalid Al-Rubeaan
- Strategic Center for Diabetes Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia
- University Diabetes Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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Xue M, Zhao R, Lin H, Jackson C. Delivery systems of current biologicals for the treatment of chronic cutaneous wounds and severe burns. Adv Drug Deliv Rev 2018; 129:219-241. [PMID: 29567398 DOI: 10.1016/j.addr.2018.03.002] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 02/08/2018] [Accepted: 03/13/2018] [Indexed: 12/15/2022]
Abstract
While wound therapy remains a clinical challenge in current medical practice, much effort has focused on developing biological therapeutic approaches. This paper presents a comprehensive review of delivery systems for current biologicals for the treatment of chronic wounds and severe burns. The biologicals discussed here include proteins such as growth factors and gene modifying molecules, which may be delivered to wounds free, encapsulated, or released from living systems (cells, skin grafts or skin equivalents) or biomaterials. Advances in biomaterial science and technologies have enabled the synthesis of delivery systems such as scaffolds, hydrogels and nanoparticles, designed to not only allow spatially and temporally controlled release of biologicals, but to also emulate the natural extracellular matrix microenvironment. These technologies represent an attractive field for regenerative wound therapy, by offering more personalised and effective treatments.
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Xu YX, Huang C, Liu M, Chen N, Chen W, Yang C, Zhao Y, Li X, Duan J, Liu S, Yang S. Survivin regulated by autophagy mediates hyperglycemia-induced vascular endothelial cell dysfunction. Exp Cell Res 2018; 364:152-159. [DOI: 10.1016/j.yexcr.2018.01.037] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 12/21/2017] [Accepted: 01/28/2018] [Indexed: 12/11/2022]
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Pelzer N, Bijkerk R, Reinders ME, van Zonneveld AJ, Ferrari MD, van den Maagdenberg AM, Eikenboom J, Terwindt GM. Circulating Endothelial Markers in Retinal Vasculopathy With Cerebral Leukoencephalopathy and Systemic Manifestations. Stroke 2017; 48:3301-3307. [DOI: 10.1161/strokeaha.117.018556] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 09/26/2017] [Accepted: 10/11/2017] [Indexed: 12/26/2022]
Affiliation(s)
- Nadine Pelzer
- From the Department of Neurology (N.P., M.D.F., A.M.J.M.v.d.M., G.M.T.), Department of Internal Medicine (Nephrology) (R.B., M.E.J.R., A.J.v.Z.), Einthoven Laboratory for Vascular and Regenerative Medicine (R.B., A.J.v.Z., J.E.), Department of Human Genetics (A.M.J.M.v.d.M.), and Department of Internal Medicine, Section Thrombosis and Hemostasis (J.E.), Leiden University Medical Center, the Netherlands
| | - Roel Bijkerk
- From the Department of Neurology (N.P., M.D.F., A.M.J.M.v.d.M., G.M.T.), Department of Internal Medicine (Nephrology) (R.B., M.E.J.R., A.J.v.Z.), Einthoven Laboratory for Vascular and Regenerative Medicine (R.B., A.J.v.Z., J.E.), Department of Human Genetics (A.M.J.M.v.d.M.), and Department of Internal Medicine, Section Thrombosis and Hemostasis (J.E.), Leiden University Medical Center, the Netherlands
| | - Marlies E.J. Reinders
- From the Department of Neurology (N.P., M.D.F., A.M.J.M.v.d.M., G.M.T.), Department of Internal Medicine (Nephrology) (R.B., M.E.J.R., A.J.v.Z.), Einthoven Laboratory for Vascular and Regenerative Medicine (R.B., A.J.v.Z., J.E.), Department of Human Genetics (A.M.J.M.v.d.M.), and Department of Internal Medicine, Section Thrombosis and Hemostasis (J.E.), Leiden University Medical Center, the Netherlands
| | - Anton Jan van Zonneveld
- From the Department of Neurology (N.P., M.D.F., A.M.J.M.v.d.M., G.M.T.), Department of Internal Medicine (Nephrology) (R.B., M.E.J.R., A.J.v.Z.), Einthoven Laboratory for Vascular and Regenerative Medicine (R.B., A.J.v.Z., J.E.), Department of Human Genetics (A.M.J.M.v.d.M.), and Department of Internal Medicine, Section Thrombosis and Hemostasis (J.E.), Leiden University Medical Center, the Netherlands
| | - Michel D. Ferrari
- From the Department of Neurology (N.P., M.D.F., A.M.J.M.v.d.M., G.M.T.), Department of Internal Medicine (Nephrology) (R.B., M.E.J.R., A.J.v.Z.), Einthoven Laboratory for Vascular and Regenerative Medicine (R.B., A.J.v.Z., J.E.), Department of Human Genetics (A.M.J.M.v.d.M.), and Department of Internal Medicine, Section Thrombosis and Hemostasis (J.E.), Leiden University Medical Center, the Netherlands
| | - Arn M.J.M. van den Maagdenberg
- From the Department of Neurology (N.P., M.D.F., A.M.J.M.v.d.M., G.M.T.), Department of Internal Medicine (Nephrology) (R.B., M.E.J.R., A.J.v.Z.), Einthoven Laboratory for Vascular and Regenerative Medicine (R.B., A.J.v.Z., J.E.), Department of Human Genetics (A.M.J.M.v.d.M.), and Department of Internal Medicine, Section Thrombosis and Hemostasis (J.E.), Leiden University Medical Center, the Netherlands
| | - Jeroen Eikenboom
- From the Department of Neurology (N.P., M.D.F., A.M.J.M.v.d.M., G.M.T.), Department of Internal Medicine (Nephrology) (R.B., M.E.J.R., A.J.v.Z.), Einthoven Laboratory for Vascular and Regenerative Medicine (R.B., A.J.v.Z., J.E.), Department of Human Genetics (A.M.J.M.v.d.M.), and Department of Internal Medicine, Section Thrombosis and Hemostasis (J.E.), Leiden University Medical Center, the Netherlands
| | - Gisela M. Terwindt
- From the Department of Neurology (N.P., M.D.F., A.M.J.M.v.d.M., G.M.T.), Department of Internal Medicine (Nephrology) (R.B., M.E.J.R., A.J.v.Z.), Einthoven Laboratory for Vascular and Regenerative Medicine (R.B., A.J.v.Z., J.E.), Department of Human Genetics (A.M.J.M.v.d.M.), and Department of Internal Medicine, Section Thrombosis and Hemostasis (J.E.), Leiden University Medical Center, the Netherlands
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Trujillo V, Marín-Luevano P, González-Curiel I, Rodríguez-Carlos A, Ramírez-Reyes M, Layseca-Espinosa E, Enciso-Moreno JA, Díaz L, Rivas-Santiago B. Calcitriol promotes proangiogenic molecules in keratinocytes in a diabetic foot ulcer model. J Steroid Biochem Mol Biol 2017; 174:303-311. [PMID: 29042175 DOI: 10.1016/j.jsbmb.2017.10.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 09/29/2017] [Accepted: 10/11/2017] [Indexed: 10/18/2022]
Abstract
Foot ulceration is one of the most common and complex sequelae of diabetes mellitus, generally posing a therapeutic challenge due to poor healing responses and high rates of complications, including peripheral vascular disease, ischemia and infections. Calcitriol, the most active vitamin D metabolite, induces antimicrobial peptides production in keratinocytes from diabetic foot ulcers (DFU); however, little is known about its effects on angiogenic factors in this pathology. Herein we aimed at studying whether calcitriol induces angiogenic molecules in keratinocytes under normoxic and hypoxic conditions, and if these molecules are able to improve cell migration in vitro. Evaluation of DFU samples by immunohistochemistry showed increased VEGF and decreased angiogenin and HIF-1α expression compared to controls, suggesting an altered pattern of angiogenic factors in DFU. Interestingly, incubation of keratinocytes with calcitriol significantly upregulated VEGFA, HIF-1α and angiogenin gene expression, while the resulting cell culture media stimulated both endothelial cells and keratinocytes migration in an in vitro wound closure assay under a normoxic environment (p<0.05). Moreover, the culture media of calcitriol-treated keratinocytes stimulated cell migration in a similar extent as exogenous VEGF or EGF in endothelial and keratinocytes cells. These results suggest that the altered profile of angiogenic molecules in DFU might be improved by local or systemic treatment with calcitriol under normoxic conditions, which could probably be achieved with hyperbaric oxygen therapy. Given that calcitriol not only augments proangiogenic factors but also induces antimicrobial peptides expression, this hormone should be further investigated in clinical trials of DFU.
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Affiliation(s)
- Valentin Trujillo
- Unidad de Investigación Biomédica-Zacatecas, IMSS, Mexico; Centro de Investigacion en Ciencias de la Salud y Biomedicina, Facultad de Medicina, Universidad Autónoma de San Luis Potosi, Mexico
| | | | | | | | | | - Esther Layseca-Espinosa
- Centro de Investigacion en Ciencias de la Salud y Biomedicina, Facultad de Medicina, Universidad Autónoma de San Luis Potosi, Mexico
| | | | - Lorenza Díaz
- Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
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Kong HS, Lee J, Youm HW, Kim SK, Lee JR, Suh CS, Kim SH. Effect of treatment with angiopoietin-2 and vascular endothelial growth factor on the quality of xenografted bovine ovarian tissue in mice. PLoS One 2017; 12:e0184546. [PMID: 28915249 PMCID: PMC5600380 DOI: 10.1371/journal.pone.0184546] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 08/26/2017] [Indexed: 01/10/2023] Open
Abstract
Cryopreservation and transplantation of ovarian tissue (OT) represents a method for fertility preservation. However, as the transplantation is performed without vessel anastomosis, unavoidable ischemic damage occurs. To reduce this ischemic damage and improve outcomes after transplantation, we used two kind of angiogenic factors, angiopoietin-2 (ang-2) and vascular endothelial growth factor (VEGF). Fresh or vitrified-warmed bovine OTs were prepared for xenotransplantation (XT). Fresh OTs were immediately xenografted into nude mice (XT-Fresh). Vitrified-warmed OTs were xenografted into four subgroups of mice, which were injected intraperitoneally before XT with saline (XT-Vitri), Ang-2 (XT-Ang-2), VEGF (XT-VEGF), and a combination of Ang-2 and VEGF (XT-Combined). Seven or 28 days post-grafting, grafted OTs and blood samples were collected for evaluation. Follicle normality was higher in the angiogenic factor-treated groups than in the XT-Vitri group. The XT-VEGF and the XT-Combined showed higher (P<0.05) follicular density than the XT-Vitri group. The highest apoptotic follicle ratio was observed in the XT-Vitri group on day 7; this was decreased (P<0.05) in the XT-Combined group. Microvessel densities were higher in the angiogenic factor-treated groups than in the XT-Vitri group. The largest fibrotic area was showed in the XT-Vitri group on day 28, and it was decreased (P<0.05) in the XT-combined group. Based on these results, administration of Ang-2 and VEGF to recipients prior to XT appeared to alleviate ischemic damage by enhancing angiogenesis, which resulted in the maintenance of follicle integrity and density, and reduced follicle apoptosis and OT fibrosis.
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Affiliation(s)
- Hyun Sun Kong
- Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Gumi-dong, Bundang-gu, Seongnam, Korea
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - Jaewang Lee
- Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Gumi-dong, Bundang-gu, Seongnam, Korea
| | - Hye Won Youm
- Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Gumi-dong, Bundang-gu, Seongnam, Korea
| | - Seul Ki Kim
- Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Gumi-dong, Bundang-gu, Seongnam, Korea
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - Jung Ryeol Lee
- Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Gumi-dong, Bundang-gu, Seongnam, Korea
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
- * E-mail: (JRL); (CSS)
| | - Chang Suk Suh
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
- Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, Korea
- * E-mail: (JRL); (CSS)
| | - Seok Hyun Kim
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
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