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Zhang Y, Bharadhwaj VS, Kodamullil AT, Herrmann C. A network of transcriptomic signatures identifies novel comorbidity mechanisms between schizophrenia and somatic disorders. DISCOVER MENTAL HEALTH 2024; 4:11. [PMID: 38573526 PMCID: PMC10994898 DOI: 10.1007/s44192-024-00063-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 03/28/2024] [Indexed: 04/05/2024]
Abstract
The clinical burden of mental illness, in particular schizophrenia and bipolar disorder, are driven by frequent chronic courses and increased mortality, as well as the risk for comorbid conditions such as cardiovascular disease and type 2 diabetes. Evidence suggests an overlap of molecular pathways between psychotic disorders and somatic comorbidities. In this study, we developed a computational framework to perform comorbidity modeling via an improved integrative unsupervised machine learning approach based on multi-rank non-negative matrix factorization (mrNMF). Using this procedure, we extracted molecular signatures potentially explaining shared comorbidity mechanisms. For this, 27 case-control microarray transcriptomic datasets across multiple tissues were collected, covering three main categories of conditions including psychotic disorders, cardiovascular diseases and type II diabetes. We addressed the limitation of normal NMF for parameter selection by introducing multi-rank ensembled NMF to identify signatures under various hierarchical levels simultaneously. Analysis of comorbidity signature pairs was performed to identify several potential mechanisms involving activation of inflammatory response auxiliarily interconnecting angiogenesis, oxidative response and GABAergic neuro-action. Overall, we proposed a general cross-cohorts computing workflow for investigating the comorbid pattern across multiple symptoms, applied it to the real-data comorbidity study on schizophrenia, and further discussed the potential for future application of the approach.
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Affiliation(s)
- Youcheng Zhang
- Institute of Pharmacy and Molecular Biotechnology (IPMB) & BioQuant, Universität Heidelberg, 69120, Heidelberg, Germany
| | - Vinay S Bharadhwaj
- Department of Bioinformatics, Fraunhofer Institute for Algorithms and Scientific Computing (SCAI), 53757, Sankt Augustin, Germany
| | - Alpha T Kodamullil
- Department of Bioinformatics, Fraunhofer Institute for Algorithms and Scientific Computing (SCAI), 53757, Sankt Augustin, Germany
| | - Carl Herrmann
- Institute of Pharmacy and Molecular Biotechnology (IPMB) & BioQuant, Universität Heidelberg, 69120, Heidelberg, Germany.
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Kurian AG, Singh RK, Sagar V, Lee JH, Kim HW. Nanozyme-Engineered Hydrogels for Anti-Inflammation and Skin Regeneration. NANO-MICRO LETTERS 2024; 16:110. [PMID: 38321242 PMCID: PMC10847086 DOI: 10.1007/s40820-024-01323-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 12/24/2023] [Indexed: 02/08/2024]
Abstract
Inflammatory skin disorders can cause chronic scarring and functional impairments, posing a significant burden on patients and the healthcare system. Conventional therapies, such as corticosteroids and nonsteroidal anti-inflammatory drugs, are limited in efficacy and associated with adverse effects. Recently, nanozyme (NZ)-based hydrogels have shown great promise in addressing these challenges. NZ-based hydrogels possess unique therapeutic abilities by combining the therapeutic benefits of redox nanomaterials with enzymatic activity and the water-retaining capacity of hydrogels. The multifaceted therapeutic effects of these hydrogels include scavenging reactive oxygen species and other inflammatory mediators modulating immune responses toward a pro-regenerative environment and enhancing regenerative potential by triggering cell migration and differentiation. This review highlights the current state of the art in NZ-engineered hydrogels (NZ@hydrogels) for anti-inflammatory and skin regeneration applications. It also discusses the underlying chemo-mechano-biological mechanisms behind their effectiveness. Additionally, the challenges and future directions in this ground, particularly their clinical translation, are addressed. The insights provided in this review can aid in the design and engineering of novel NZ-based hydrogels, offering new possibilities for targeted and personalized skin-care therapies.
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Affiliation(s)
- Amal George Kurian
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Varsha Sagar
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
- Cell and Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea
- Mechanobiology Dental Medicine Research Center, Dankook University, Cheonan, 31116, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea.
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea.
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea.
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea.
- Cell and Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea.
- Mechanobiology Dental Medicine Research Center, Dankook University, Cheonan, 31116, Republic of Korea.
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Zheng Q, Chen C, Liu Y, Gao J, Li L, Yin C, Yuan X. Metal Nanoparticles: Advanced and Promising Technology in Diabetic Wound Therapy. Int J Nanomedicine 2024; 19:965-992. [PMID: 38293611 PMCID: PMC10826594 DOI: 10.2147/ijn.s434693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 12/14/2023] [Indexed: 02/01/2024] Open
Abstract
Diabetic wounds pose a significant challenge to public health, primarily due to insufficient blood vessel supply, bacterial infection, excessive oxidative stress, and impaired antioxidant defenses. The aforementioned condition not only places a significant physical burden on patients' prognosis, but also amplifies the economic strain on the medical system in treating diabetic wounds. Currently, the effectiveness of available treatments for diabetic wounds is limited. However, there is hope in the potential of metal nanoparticles (MNPs) to address these issues. MNPs exhibit excellent anti-inflammatory, antioxidant, antibacterial and pro-angiogenic properties, making them a promising solution for diabetic wounds. In addition, MNPs stimulate the expression of proteins that promote wound healing and serve as drug delivery systems for small-molecule drugs. By combining MNPs with other biomaterials such as hydrogels and chitosan, novel dressings can be developed and revolutionize the treatment of diabetic wounds. The present article provides a comprehensive overview of the research progress on the utilization of MNPs for treating diabetic wounds. Building upon this foundation, we summarize the underlying mechanisms involved in diabetic wound healing and discuss the potential application of MNPs as biomaterials for drug delivery. Furthermore, we provide an extensive analysis and discussion on the clinical implementation of dressings, while also highlighting future prospects for utilizing MNPs in diabetic wound management. In conclusion, MNPs represent a promising strategy for the treatment of diabetic wound healing. Future directions include combining other biological nanomaterials to synthesize new biological dressings or utilizing the other physicochemical properties of MNPs to promote wound healing. Synthetic biomaterials that contain MNPs not only play a role in all stages of diabetic wound healing, but also provide a stable physiological environment for the wound-healing process.
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Affiliation(s)
- Qinzhou Zheng
- College of Life Science, Mudanjiang Medical University, Mudanjiang, People’s Republic of China
| | - Cuimin Chen
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Yong Liu
- Center for Comparative Medicine, Mudanjiang Medical University, Mudanjiang, People’s Republic of China
| | - Jie Gao
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Luxin Li
- College of Life Science, Mudanjiang Medical University, Mudanjiang, People’s Republic of China
| | - Chuan Yin
- Department of Gastroenterology, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, 200003, People’s Republic of China
| | - Xiaohuan Yuan
- College of Life Science, Mudanjiang Medical University, Mudanjiang, People’s Republic of China
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Zhai P, Zhang H, Li Q, Yang M, Guo Y, Xing C. DNMT1-mediated NR3C1 DNA methylation enables transcription activation of connexin40 and augments angiogenesis during colorectal cancer progression. Gene 2024; 892:147887. [PMID: 37813207 DOI: 10.1016/j.gene.2023.147887] [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: 07/14/2023] [Revised: 09/12/2023] [Accepted: 10/06/2023] [Indexed: 10/11/2023]
Abstract
Colorectal cancer (CRC) continues to be a major contributor to cancer-related mortality. Connexin 40 (CX40) is one of the major gap junction proteins with the capacity in regulating cell-to-cell communication and angiogenesis. This study investigates its role in angiogenesis in CRC and explores the regulatory mechanism. Aberrant high CX40 expression was detected in tumor tissues, which was associated with a poor prognosis in CRC patients. Elevated CX40 expression was detected in CRC cell lines as well. Conditioned medium of SW620 and HT29 cell lines was used to induce angiogenesis of human umbilical vein endothelial cells (HUVECs). CX40 knockdown in CRC cells reduced angiogenesis and mobility of HUVECs and blocked CRC cell proliferation, mobility, and survival. Following bioinformatics predictions, we validated by chromatin immunoprecipitation and luciferase assays that nuclear receptor subfamily 3 group C member 1 (NR3C1), which was poorly expressed in CRC samples, suppressed CX40 transcription. The poor NR3C1 expression was attributive to DNA hypermethylation induced by DNA methyltransferase 1 (DNMT1). Restoration of NR3C1 suppressed the pro-angiogenic effect, proliferation and survival, and tumorigenic activity of CRC cells, which were, however, rescued by CX40 upregulation. Collectively, this study demonstrates that transcription activation of CX40 upon DNMT1-mediated NR3C1 DNA methylation potentiates angiogenesis in CRC.
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Affiliation(s)
- Peng Zhai
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, PR China; Department of General Surgery, Fifth People's Hospital of Huai'an City, Huai'an 223300, Jiangsu, PR China
| | - Heng Zhang
- Department of General Surgery, Nanjing Lishui District People's Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing 211200, Jiangsu, PR China
| | - Qiang Li
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, PR China; Department of Gerneral Surgery, The Second Afilliated Hospital of Xuzhou Medical University, Xuzhou 221000, Jiangsu, PR China
| | - Ming Yang
- Department of General Surgery, Fifth People's Hospital of Huai'an City, Huai'an 223300, Jiangsu, PR China
| | - Yunhu Guo
- Department of General Surgery, Fifth People's Hospital of Huai'an City, Huai'an 223300, Jiangsu, PR China
| | - Chungen Xing
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, PR China.
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Siegel AP, Avanaki K. The power of light and sound: optoacoustic skin imaging for diabetes progression monitoring. LIGHT, SCIENCE & APPLICATIONS 2023; 12:283. [PMID: 37996426 PMCID: PMC10667326 DOI: 10.1038/s41377-023-01322-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2023]
Abstract
Diabetes progression is marked by damage to vascular and neural networks. Raster-scan optoacoustic mesoscopy holds the potential to measure extent of diabetes progression by analyzing changes in skin vasculature.
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Affiliation(s)
- Amanda P Siegel
- Richard and Loan Hill Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Kamran Avanaki
- Richard and Loan Hill Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, IL, USA.
- Section of Neonatology, Department of Pediatrics, UI Health Children's Hospital of the University of Illinois at Chicago, Chicago, IL, USA.
- Department of Dermatology, University of Illinois at Chicago, Chicago, IL, USA.
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Zhou Q, Lei X, Niu J, Chen Y, Shen X, Zhang N. A new hemiacetal chromone racemate and α-glucosidase inhibitors from Ficus tikoua Bur. Nat Prod Res 2023; 37:3267-3275. [PMID: 35469532 DOI: 10.1080/14786419.2022.2068544] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/05/2022] [Accepted: 04/15/2022] [Indexed: 10/18/2022]
Abstract
From the petroleum ether and ethyl acetate portions of the 95% ethanol extract of Ficus tikoua Bur., a new hemiacetal chromone racemate, named (±)-ficunomone (1), together with twenty-two known flavonoids (2-23) were isolated. The new structure was elucidated by NMR, HRESIMS, and X-ray single-crystal diffraction analysis, and the known structures were determined by comparison of spectroscopic data with those reported from literatures. All the compounds were assayed for their inhibitory activities against yeast α-glucosidase, seven flavonoids could inhibit α-glucosidase, among which compounds 22 and 23 exhibited the highest inhibitory activity, with IC50 values at 5.12 ± 0.10 and 3.43 ± 0.15 μM respectively. Preliminary structure and relationship activity of all the compounds was analysed. Kinetic analysis of compounds 22 and 23 indicated that they are both uncompetitive inhibitors. Molecular docking studies revealed that they bound to amino acid residues of the α-glucosidase activity pocket.
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Affiliation(s)
- Qinru Zhou
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Xinyu Lei
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Jing Niu
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Yan Chen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Xiangchun Shen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Nenling Zhang
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
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Rai V, Le H, Agrawal DK. Novel mediators regulating angiogenesis in diabetic foot ulcer healing. Can J Physiol Pharmacol 2023; 101:488-501. [PMID: 37459652 DOI: 10.1139/cjpp-2023-0193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
A non-healing diabetic foot ulcer (DFU) is a debilitating clinical problem amounting to socioeconomic and psychosocial burdens. DFUs increase morbidity due to prolonged treatment and mortality in the case of non-treatable ulcers resulting in gangrene and septicemia. The overall amputation rate of the lower extremity with DFU ranges from 3.34% to 42.83%. Wound debridement, antibiotics, applying growth factors, negative pressure wound therapy, hyperbaric oxygen therapy, topical oxygen, and skin grafts are common therapies for DFU. However, recurrence and nonhealing ulcers are still major issues. Chronicity of inflammation, hypoxic environment, poor angiogenesis, and decreased formation of the extracellular matrix (ECM) are common impediments leading to nonhealing patterns of DFUs. Angiogenesis is crucial for wound healing since proper vessel formation facilitates nutrients, oxygen, and immune cells to the ulcer tissue to help in clearing out debris and facilitate healing. However, poor angiogenesis due to decreased expression of angiogenic mediators and matrix formation results in nonhealing and ultimately amputation. Multiple proangiogenic mediators and vascular endothelial growth factor (VEGF) therapy exist to enhance angiogenesis, but the results are not satisfactory. Thus, there is a need to investigate novel pro-angiogenic mediators that can either alone or in combination enhance the angiogenesis and healing of DFUs. In this article, we critically reviewed the existing pro-angiogenic mediators followed by potentially novel factors that might play a regulatory role in promoting angiogenesis and wound healing in DFUs.
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Affiliation(s)
- Vikrant Rai
- Department of Translational Research, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Hoangvi Le
- Department of Translational Research, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Devendra K Agrawal
- Department of Translational Research, Western University of Health Sciences, Pomona, CA 91766, USA
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Kurniawan LB, Andriany R, Widaningsih Y, Esa T, Bahrun U, Adnan E, Arif M. Glycemic control as the main determinant factor of serum VEGF levels in type 2 diabetes mellitus patients. ROMANIAN JOURNAL OF INTERNAL MEDICINE = REVUE ROUMAINE DE MEDECINE INTERNE 2023; 61:135-140. [PMID: 37018123 DOI: 10.2478/rjim-2023-0009] [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: 01/20/2023] [Indexed: 04/06/2023]
Abstract
Introduction. Diabetes mellitus (DM) is a main endocrine disorder that may cause vascular complications as the disease progresses. Vascular endothelial growth factor (VEGF) has been linked to the development of micro and macrovascular diabetic complications. This study aimed to assess several factors including blood pressure, body mass index, lipid profile, kidney function, and glycemic control that may provide the rise of serum VEGF levels in type 2 DM subjects. Methods. This cross-sectional study was carried out among 65 type 2 DM subjects. Systole, diastole, mean arterial pressure (MAP), and body mass index (BMI) were measured. The levels of serum VEGF were measured by Enzyme-linked immunosorbent assay (ELISA), Hemoglobin A1c (HbA1c) levels were measured by latex agglutination inhibition test, while serum glucose, lipid profiles, urea, and creatinine levels were tested by enzymatic photometric method. Results. The levels of serum VEGF had a significant correlation with BMI (p = 0.001, r = 0.397), fasting plasma glucose (FPG) (p = 0.001, r = 0.418), HbA1c (p < 0.001, r = 0.600), systole (p = 0.001), r = 0.397), diastole (p = 0.021, r = 0.286), and MAP (p = 0.001, r = 0.001). Further multivariate linear regression analysis revealed that HbA1c logarithm (log) was the determinant factor of VEGF levels (p < 0.001, β = 0.631, Adjusted R2 = 38.9%) Conclusion. HbA1c is the main determinant factor of serum VEGF levels among type 2 DM patients.
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Affiliation(s)
- Liong Boy Kurniawan
- 1Department of Clinical Pathology, Faculty of Medicine, Hasanuddin University, Makassar Indonesia
| | - Rika Andriany
- 2Sulawesi Selatan Province Hospital, Makassar, Indonesia
| | - Yuyun Widaningsih
- 1Department of Clinical Pathology, Faculty of Medicine, Hasanuddin University, Makassar Indonesia
| | - Tenri Esa
- 1Department of Clinical Pathology, Faculty of Medicine, Hasanuddin University, Makassar Indonesia
| | - Uleng Bahrun
- 1Department of Clinical Pathology, Faculty of Medicine, Hasanuddin University, Makassar Indonesia
| | - Endy Adnan
- 3Department of Internal Medicine, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia
| | - Mansyur Arif
- 1Department of Clinical Pathology, Faculty of Medicine, Hasanuddin University, Makassar Indonesia
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Rizk FH, El-Saka MH, Ibrahim RR, El-Deeb OS, Ibrahim HA, El Saadany AA, Mashal SS, Ammar L, Abdelsattar AM, Barhoma RA. Possible mitigating effect of adropin on lung injury in diabetic rats: Targeting the role of Rho A/Rho-associated kinase pathway. Biofactors 2023; 49:928-939. [PMID: 37103121 DOI: 10.1002/biof.1955] [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: 02/05/2023] [Accepted: 03/31/2023] [Indexed: 04/28/2023]
Abstract
This study evaluated possible mitigating effect of adropin on lung injury in diabetic rats, targeting role of Rho A/Rho-associated kinase pathway. Rats were allocated into four groups: control, adropin, diabetic, and diabetic+adropin groups. At the termination of the experiment, serum fasting glucose, insulin and adropin levels and insulin resistance were calculated. Wet/dry ratio, histopathological, immunohistochemical analyses, and relative real time gene expression of lung tissue was determined. Interleukin-6, tumor necrosis factor alpha, malondialdehyde, 8-Oxo-2'-deoxyguanosine, reduced glutathione, superoxide dismutase, Bcl-2, BAX, myeloperoxidase, intracellular adhesion molecule-1, vascular cell adhesion molecule-1, and transforming growth factor-β were determined in lung tissue. Adropin treatment in diabetic rats notably attenuated hyperglycemia and insulin resistance. Also, it mitigated diabetic lung injury via suppressing effect on Rho A/ROCK pathway, apoptosis, inflammatory reactions, oxidative stress, and fibrosis of lung tissue. Adropin can be considered as a promising therapeutic agent for treating diabetic lung injury.
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Affiliation(s)
- Fatma H Rizk
- Department of Physiology, Faculty of Medicine, Tanta University, Egypt
| | - Mervat H El-Saka
- Department of Physiology, Faculty of Medicine, Tanta University, Egypt
| | - Rowida Raafat Ibrahim
- Department of Medical Biochemistry & Molecular Biology, Faculty of Medicine, Tanta University, Egypt
| | - Omnia Safwat El-Deeb
- Department of Medical Biochemistry & Molecular Biology, Faculty of Medicine, Tanta University, Egypt
| | - Hoda A Ibrahim
- Department of Medical Biochemistry & Molecular Biology, Faculty of Medicine, Tanta University, Egypt
| | - Amira A El Saadany
- Department of Pharmacology, Faculty of Medicine, Tanta University, Egypt
| | - Shaimaa S Mashal
- Department of Internal Medicine, Faculty of Medicine, Tanta University, Egypt
| | - Leila Ammar
- Department of Histology, Faculty of Medicine, Tanta University, Egypt
| | | | - Ramez A Barhoma
- Department of Physiology, Faculty of Medicine, Tanta University, Egypt
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Sharma K, Maity K, Goel S, Kanwar S, Anand A. Common Yoga Protocol Increases Peripheral Blood CD34+ Cells: An Open-Label Single-Arm Exploratory Trial. J Multidiscip Healthc 2023; 16:1721-1736. [PMID: 37377666 PMCID: PMC10290939 DOI: 10.2147/jmdh.s377869] [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] [Received: 07/07/2022] [Accepted: 10/07/2022] [Indexed: 06/29/2023] Open
Abstract
Purpose Physical inactivity can be a cause of various lifestyle disorders including atherosclerosis, diabetes, hypertension, and cardiovascular diseases (CVDs). Lifestyle modification by the inclusion of Yoga and similar activities has shown beneficial effects on disease prevention and psychological management. However, the molecular mechanism at the cellular level is unknown. This study aims to identify the molecular response at systemic level generated after three months of Common Yoga Protocol (CYP) practice. Methods A total of 25 healthy adult females were recruited for this study (25 to 55 years). After the drop out of 6 participants at baseline and 2 participants after 1 month; blood samples of 17 participants were assessed. Blood samples were assessed for lipid profile, CD34+ cell enumeration and angiogenesis markers (ie, VEGF, Angiogenin and BDNF) at baseline (before intervention), after one month and after three months of Common Yoga Protocol (CYP) practice. The psychological health of the participants was assessed at baseline and after three months of CYP practice. The psychological tests used were General Health Questionnaire (GHQ), State-Trait Anxiety Inventory (STAI), Trail Making Test A & B, Digit symbol test, Digit symbol substitution test. Results After 3 months of intervention, blood samples of 17 participants were collected and following results were reported (1) percentage of CD34+ cells increased significantly after 3 months of CYP practice (from 18.18±7.32 cells/μL to 42.48±18.83 cells/μL) (effect size: W, 0.40; 95% CI, p = 0.001) (2) neurogenesis marker, ie, BDNF showed a significant change with time after 3 months of CYP intervention (effect size: W, 0.431, 95% CI; p = 0.002), (3) HDL showed an increasing trend (non-significant) after three months of CYP practice (53.017±1.28 mg/dl to 63.94±5.66 mg/dl) (effect size: W, 0.122; 95% CI; p = 0.126) (4) General Health score (10.64 ± 3.53 to 6.52 ± 3.12) (effect size: d, 0.98; 95% CI; p = 0.001) along with visual and executive function improved (69.94±26.21 to 61.88±28.55 (time taken in seconds)) (effect size: d, 0.582; 95% CI; p = 0.036), also stress and anxiety showed reduction (effect size: d, 0.91; 95% CI; p = 0.002) (5) a significant positive correlation was found between: HDL with VEGF (r = 0.547, p = 0.023) and BDNF (r = 0.538, p = 0.039) after 3 months of intervention; also, a significant positive correlation was found between VEGF with BDNF (r = 0.818, p ≤ 0.001) and Angiogenin (r = 0.946, p ≤ 0.001), also, BDNF was also positively correlated with Angiogenin (r = 0.725, p = 0.002) at both 1 month and 3 months after intervention. Also, VEGF and BDNF showed a significantly negative correlation with stress and anxiety questionnaire after the intervention. Conclusion The current study provides insights into the molecular response to CYP practice at systemic level. The results suggest that CYP practice indeed increased CD34+ cells in peripheral blood and BDNF also showed a significant change after the intervention. An overall improvement in general health and psychology of the participants was also observed.
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Affiliation(s)
- Kanupriya Sharma
- Neuroscience Research Lab, Department of Neurology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Kalyan Maity
- Neuroscience Research Lab, Department of Neurology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
- Division of Yoga and Life Sciences, Swami Vivekananda Yoga Anusandhana Samsthana (S-VYASA), Bengaluru, Karnataka, 560105, India
| | - Sonu Goel
- School of Public Health and Community Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Shimona Kanwar
- Mass Communication and Media Technology, SGT University, Gurugram, Haryana, 122006, India
| | - Akshay Anand
- Neuroscience Research Lab, Department of Neurology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
- CCRYN – Collaborative Center for Mind-Body Intervention Through Yoga, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
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Dabral S, Khan IA, Pant T, Khan S, Prakash P, Parvez S, Saha N. Deciphering the Precise Target for Saroglitazar Associated Antiangiogenic Effect: A Computational Synergistic Approach. ACS OMEGA 2023; 8:14985-15002. [PMID: 37151537 PMCID: PMC10157850 DOI: 10.1021/acsomega.2c07570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 02/13/2023] [Indexed: 05/09/2023]
Abstract
Antidiabetic drugs that have a secondary pharmacological effect on angiogenesis inhibition may help diabetic patients delay or avoid comorbidities caused by angiogenesis including malignancies. In recent studies, saroglitazar has exhibited antiangiogenic effects in diabetic retinopathy. The current study investigates the antiangiogenic effects of saroglitazar utilizing the chicken chorioallantoic membrane (CAM) assay and then identifies its precise mode of action on system-level protein networks. To determine the regulatory effect of saroglitazar on the protein-protein interaction network (PIN), 104 target genes were retrieved and tested using an acid server and Swiss target prediction tools. A string-based interactome was created and analyzed using Cytoscape. It was determined that the constructed network was scale-free, making it biologically relevant. Upon topological analysis of the network, 37 targets were screened on the basis of centrality values. Submodularization of the interactome resulted in the formation of four clusters. A total of 20 common targets identified in topological analysis and modular analysis were filtered. A total of 20 targets were compiled and were integrated into the pathway enrichment analysis using ShinyGO. The majority of hub genes were associated with cancer and PI3-AKT signaling pathways. Molecular docking was utilized to reveal the most potent target, which was validated by using molecular dynamic simulations and immunohistochemical staining on the chicken CAM. The comprehensive study offers an alternate research paradigm for the investigation of antiangiogenic effects using CAM assays. This was followed by the identification of the precise off-target use of saroglitazar using system biology and network pharmacology to inhibit angiogenesis.
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Affiliation(s)
- Swarna Dabral
- Department
of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Imran Ahmd Khan
- Department
of Chemistry, School of Chemical and Life Science, Jamia Hamdard, New Delhi 110062, India
| | - Tarun Pant
- Department
of Medicine, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, Wisconsin 53226, United States
| | - Sabina Khan
- Department
of Pathology, Hamdard Institute of Medical Sciences and Research, Jamia Hamdard, New Delhi 110062, India
| | - Prem Prakash
- Protein
Assembly Laboratory, JH-Institute of Molecular Medicine, Jamia Hamdard University, New Delhi 110062, India
| | - Suhel Parvez
- Department
of Medical Elementology and Toxicology, School of Chemical and Life
Science, Jamia Hamdard University, New Delhi 110062, India
| | - Nilanjan Saha
- Centre
for Translational and Clinical Research, School of Chemical and Life
Science, Jamia Hamdard UniversityNew Delhi 110062, India
- . Phone: 9873013366
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12
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Bian X, Conley SM, Eirin A, Zimmerman Zuckerman EA, Smith AL, Gowan CC, Snow ZK, Jarmi T, Farres H, Erben YM, Hakaim AG, Dietz MA, Zubair AC, Wyles SP, Wolfram JV, Lerman LO, Hickson LJ. Diabetic kidney disease induces transcriptome alterations associated with angiogenesis activity in human mesenchymal stromal cells. Stem Cell Res Ther 2023; 14:49. [PMID: 36949528 PMCID: PMC10035152 DOI: 10.1186/s13287-023-03269-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 03/08/2023] [Indexed: 03/24/2023] Open
Abstract
BACKGROUND Therapeutic interventions that optimize angiogenic activities may reduce rates of end-stage kidney disease, critical limb ischemia, and lower extremity amputations in individuals with diabetic kidney disease (DKD). Infusion of autologous mesenchymal stromal cells (MSC) is a promising novel therapy to rejuvenate vascular integrity. However, DKD-related factors, including hyperglycemia and uremia, might alter MSC angiogenic repair capacity in an autologous treatment approach. METHODS To explore the angiogenic activity of MSC in DKD, the transcriptome of adipose tissue-derived MSC obtained from DKD subjects was compared to age-matched controls without diabetes or kidney impairment. Next-generation RNA sequencing (RNA-seq) was performed on MSC (DKD n = 29; Controls n = 9) to identify differentially expressed (DE; adjusted p < 0.05, |log2fold change|> 1) messenger RNA (mRNA) and microRNA (miRNA) involved in angiogenesis (GeneCards). Paracrine-mediated angiogenic repair capacity of MSC conditioned medium (MSCcm) was assessed in vitro using human umbilical vein endothelial cells incubated in high glucose and indoxyl sulfate for a hyperglycemic, uremic state. RESULTS RNA-seq analyses revealed 133 DE mRNAs (77 upregulated and 56 down-regulated) and 208 DE miRNAs (119 up- and 89 down-regulated) in DKD-MSC versus Control-MSC. Interestingly, miRNA let-7a-5p, which regulates angiogenesis and participates in DKD pathogenesis, interacted with 5 angiogenesis-associated mRNAs (transgelin/TAGLN, thrombospondin 1/THBS1, lysyl oxidase-like 4/LOXL4, collagen 4A1/COL4A1 and collagen 8A1/COL8A1). DKD-MSCcm incubation with injured endothelial cells improved tube formation capacity, enhanced migration, reduced adhesion molecules E-selectin, vascular cell adhesion molecule 1 and intercellular adhesion molecule 1 mRNA expression in endothelial cells. Moreover, angiogenic repair effects did not differ between treatment groups (DKD-MSCcm vs. Control-MSCcm). CONCLUSIONS MSC from individuals with DKD show angiogenic transcriptome alterations compared to age-matched controls. However, angiogenic repair potential may be preserved, supporting autologous MSC interventions to treat conditions requiring enhanced angiogenic activities such as DKD, diabetic foot ulcers, and critical limb ischemia.
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Affiliation(s)
- Xiaohui Bian
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA
- Department of Nephrology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Sabena M Conley
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA
| | - Alfonso Eirin
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Anastasia L Smith
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA
| | - Cody C Gowan
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA
| | - Zachary K Snow
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA
| | - Tambi Jarmi
- Division of Transplant Nephrology, Department of Transplant Surgery, Mayo Clinic, Jacksonville, FL, USA
| | - Houssam Farres
- Division of Vascular Surgery, Department of Surgery, Mayo Clinic, Jacksonville, FL, USA
| | - Young M Erben
- Division of Vascular Surgery, Department of Surgery, Mayo Clinic, Jacksonville, FL, USA
| | - Albert G Hakaim
- Division of Vascular Surgery, Department of Surgery, Mayo Clinic, Jacksonville, FL, USA
| | - Matthew A Dietz
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Abba C Zubair
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Jacksonville, FL, USA
- Center for Regenerative Biotherapeutics, Mayo Clinic, Jacksonville, FL, USA
| | | | - Joy V Wolfram
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Jacksonville, FL, USA
- School of Chemical Engineering/Australian Institute for Bioengineering, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - LaTonya J Hickson
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA.
- Center for Regenerative Biotherapeutics, Mayo Clinic, Jacksonville, FL, USA.
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13
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Fan M, Yang W, Peng Z, He Y, Wang G. Chromone-based benzohydrazide derivatives as potential α-glucosidase inhibitor: Synthesis, biological evaluation and molecular docking study. Bioorg Chem 2023; 131:106276. [PMID: 36434950 DOI: 10.1016/j.bioorg.2022.106276] [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: 09/23/2022] [Revised: 11/02/2022] [Accepted: 11/11/2022] [Indexed: 11/18/2022]
Abstract
In order to find new α-glucosidase inhibitors with high efficiency and low toxicity, novel chromone-based benzohydrazide derivatives 6a-6s were synthesized and characterized through 1H NMR, 13C NMR, and HRMS. All the new synthesized compounds were tested for inhibitory activities against α-glucosidase. Compounds 6a-6s with IC50 values ranging from 4.51 ± 0.09 to 27.21 ± 0.83 μM, showed a potential α-glucosidase inhibitory activity as compared to the positive control (acarbose: IC50 = 790.40 ± 0.91 μM). Compound 6i exhibited the highest α-glucosidase inhibitory activity with an IC50 value of 4.51 ± 0.09 μM. Theinteractionbetween α-glucosidase and 6i was further confirmed by enzyme kinetic, fluorescence quenching, circular dichroism, and molecular docking study. In vivo experiment showed that 6i could suppress the rise of blood glucose levels after sucrose loading. The cytotoxicity result indicated that 6i exhibited low cytotoxicity in vitro.
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Affiliation(s)
- Meiyan Fan
- Clinical Trails Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, China; Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China
| | - Wei Yang
- Clinical Trails Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, China; Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China
| | - Zhiyun Peng
- Clinical Trails Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, China.
| | - Yan He
- Clinical Trails Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, China.
| | - Guangcheng Wang
- Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China.
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14
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Yong PH, New SY, Azzani M, Wu YS, Chia VV, Ng ZX. Potential of medicinal plants to ameliorate neovascularization activities in diabetes: A systematic review. Endocr Regul 2023; 58:26-39. [PMID: 38345496 DOI: 10.2478/enr-2024-0004] [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] [Indexed: 02/15/2024] Open
Abstract
Hyperglycemia in diabetes mediates the release of angiogenic factors, oxidative stress, hypoxia, and inflammation, which in turn stimulate angiogenesis. Excessive angiogenesis can cause diabetic retinopathy, diabetic neuropathy, and diabetic nephropathy. All of these complications are debilitating, which may lead to an increased susceptibility to lower-limb amputations due to ulcerations and infections. In addition, microvascular alterations, segmental demyelination, and endoneurial microangiopathy may cause progressive deterioration ultimately leading to kidney failure and permanent blindness. Some medicinal plants have potent anti-angiogenic, antioxidant or anti-inflammatory properties that can ameliorate angiogenesis in diabetes. The purpose of this systematic review is to demonstrate the potential of medicinal plants in ameliorating the neovascularization activities in diabetes. Manuscripts were searched from PubMed, Science Direct, and Scopus databases, and Google Scholar was used for searching additional papers. From 1862 manuscripts searched, 1854 were excluded based on inclusion and exclusion criteria and 8 were included into this systematic review, whereas the required information was extracted and summarized. All identified medicinal plants decreased the high blood glucose levels in diabetes, except the aqueous extract of Lonicerae japonicae flos (FJL) and Vasant Kusumakar Ras. They also increased the reduced body weight in diabetes, except the aqueous extract of FL and total lignans from Fructus arctii. However, methanolic extract of Tinospora cordifolia and Vasant Kusumakar Ras were not tested for their ability to affect the body weight. Besides, all medicinal plants identified in this systematic review decreased the vascular endothelial growth factor (VEGF) protein expression and vasculature activity demonstrated by histopathological examination indicating promising anti-angiogenic properties. All medicinal plants identified in this systematic review have a potential to ameliorate neovascularization activities in diabetes by targeting the mechanistic pathways related to oxidative stress, inflammation, and angiogenesis.
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Affiliation(s)
- Phaik Har Yong
- 1School of Bioscience, Faculty of Pharmacy & Biomedical Sciences, MAHSA University, Selangor, Malaysia
| | - Shin Yee New
- 1School of Bioscience, Faculty of Pharmacy & Biomedical Sciences, MAHSA University, Selangor, Malaysia
| | - Meram Azzani
- 2Department of Public Health Medicine, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, 47000, Sungai Buloh, Selangor, Malaysia and Centre of Occupational Safety, Health and Wellbeing, Universiti Teknologi MARA, , Malaysia
| | - Yuan Seng Wu
- 3Sunway Microbiome Centre, School of Medical and Life Sciences, Sunway University, Subang Jaya 47500, Selangor, Malaysia
- 4Department of Medical Education, School of Medical and Life Sciences, Sunway University, Subang Jaya 47500, Selangor, Malaysia
| | - Vi Vien Chia
- 1School of Bioscience, Faculty of Pharmacy & Biomedical Sciences, MAHSA University, Selangor, Malaysia
| | - Zhi Xiang Ng
- 5School of Biosciences, Faculty of Science and Engineering, University of Nottingham Malaysia, Selangor, Malaysia
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15
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Liang ZH, Pan NF, Lin SS, Qiu ZY, Liang P, Wang J, Zhang Z, Pan YC. Exosomes from mmu_circ_0001052-modified adipose-derived stem cells promote angiogenesis of DFU via miR-106a-5p and FGF4/p38MAPK pathway. STEM CELL RESEARCH & THERAPY 2022; 13:336. [PMID: 35870977 PMCID: PMC9308214 DOI: 10.1186/s13287-022-03015-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/09/2022] [Indexed: 11/21/2022]
Abstract
Background Diabetic foot ulcer (DFU) is a chronic infectious disease caused by diabetes mellitus (DM). Angiogenesis plays the decisive role in wound healing of DFU. Adipose-derived stem cells (ADSCs) can ameliorate angiogenesis in DFU by exosomes. This study aims to determine the mechanism of exosomes from mmu_circ_0001052-modified ADSCs in angiogenesis of DFU. Methods HUVECs were induced by high glucose and mice stimulated using STZ injection during high-fat feeding, which were treated with exosomes derived from mmu_circ_0001052-modified ADSCs. Real-time PCR determined the expression of gene and western blot determined protein levels. Proliferation, migration, apoptosis and angiogenesis of HUVECs were studied by MTT assay, transwell test, flow cytometry and tube formation experiment, respectively. Histological lesion of wound was determined by HE staining. Results The expression of circ_0001052 was upregulated in ADSCs and miR-106a-5p elevated in high glucose-induced HUVECs. Exosomal mmu_circ_0001052 significantly accelerated wound healing in mice with DFU. Also, exosomal mmu_circ_0001052 evoked the reduction of miR-106a-5p and the elevation of FGF4 in high glucose-induced HUVECs and wound tissue of DFU mice. Exosomal mmu_circ_0001052 was determined to sponge miR-106a-5p that targeted FGF4 in DFU. In high glucose-induced HUVECs, exosomal mmu_circ_0001052 inhibited apoptosis and miR-106a-5p expression, and meanwhile promoted proliferation, migration, angiogenesis and expressions of FGF4, VEGF and p-p38/p38, which were reversed by miR-106a-5p elevation. Conclusion Mmu_circ_0001052 in ADSCs-derived exosomes promote angiogenesis of DFU via miR-106a-5p and FGF4/p38MAPK pathway. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-03015-7.
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16
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Jayasuriya R, Ramkumar KM. Mangiferin alleviates hyperglycemia-induced endothelial impairment via Nrf2 signaling pathway. Eur J Pharmacol 2022; 936:175359. [DOI: 10.1016/j.ejphar.2022.175359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 10/21/2022] [Accepted: 10/28/2022] [Indexed: 11/15/2022]
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17
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Xie Y, Cui Z, Wang N, Li P. Research on Potential Network Markers and Signaling Pathways in Type 2 Diabetes Based on Conditional Cell-Specific Network. Genes (Basel) 2022; 13:1155. [PMID: 35885938 PMCID: PMC9320152 DOI: 10.3390/genes13071155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 11/16/2022] Open
Abstract
Traditional methods concerning type 2 diabetes (T2D) are limited to grouped cells instead of each single cell, and thus the heterogeneity of single cells is erased. Therefore, it is still challenging to study T2D based on a single-cell and network perspective. In this study, we construct a conditional cell-specific network (CCSN) for each single cell for the GSE86469 dataset which is a single-cell transcriptional set from nondiabetic (ND) and T2D human islet samples, and obtain a conditional network degree matrix (CNDM). Since beta cells are the key cells leading to T2D, we search for hub genes in CCSN of beta cells and find that ATP6AP2 is essential for regulation and storage of insulin, and the renin-angiotensin system involving ATP6AP2 is related to most pathological processes leading to diabetic nephropathy. The communication between beta cells and other endocrine cells is performed and three gene pairs with obvious interaction are found. In addition, different expression genes (DEGs) are found based on CNDM and the gene expression matrix (GEM), respectively. Finally, 'dark' genes are identified, and enrichment analysis shows that NFATC2 is involved in the VEGF signaling pathway and indirectly affects the production of Prostacyclin (PGI2), which may be a potential biomarker for diabetic nephropathy.
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Affiliation(s)
| | | | | | - Peiluan Li
- School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang 471023, China; (Y.X.); (Z.C.); (N.W.)
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18
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Sathiyanadan K, Alonso F, Domingos-Pereira S, Santoro T, Hamard L, Cesson V, Meda P, Nardelli-Haefliger D, Haefliger JA. Targeting Endothelial Connexin37 Reduces Angiogenesis and Decreases Tumor Growth. Int J Mol Sci 2022; 23:2930. [PMID: 35328350 PMCID: PMC8948817 DOI: 10.3390/ijms23062930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 12/13/2022] Open
Abstract
Connexin37 (Cx37) and Cx40 form intercellular channels between endothelial cells (EC), which contribute to the regulation of the functions of vessels. We previously documented the participation of both Cx in developmental angiogenesis and have further shown that loss of Cx40 decreases the growth of different tumors. Here, we report that loss of Cx37 reduces (1) the in vitro proliferation of primary human EC; (2) the vascularization of subcutaneously implanted matrigel plugs in Cx37-/- mice or in WT using matrigel plugs supplemented with a peptide targeting Cx37 channels; (3) tumor angiogenesis; and (4) the growth of TC-1 and B16 tumors, resulting in a longer mice survival. We further document that Cx37 and Cx40 function in a collaborative manner to promote tumor growth, inasmuch as the injection of a peptide targeting Cx40 into Cx37-/- mice decreased the growth of TC-1 tumors to a larger extent than after loss of Cx37. This loss did not alter vessel perfusion, mural cells coverage and tumor hypoxia compared to tumors grown in WT mice. The data show that Cx37 is relevant for the control of EC proliferation and growth in different tumor models, suggesting that it may be a target, alone or in combination with Cx40, in the development of anti-tumoral treatments.
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Affiliation(s)
- Karthik Sathiyanadan
- Department of Urology, Lausanne University Hospital, 1011 Lausanne, Switzerland; (K.S.); (S.D.-P.); (V.C.); (D.N.-H.)
| | - Florian Alonso
- Laboratory for the Bioengineering of Tissues (BioTis-INSERM U1026), Université de Bordeaux, 33607 Bordeaux, France;
| | - Sonia Domingos-Pereira
- Department of Urology, Lausanne University Hospital, 1011 Lausanne, Switzerland; (K.S.); (S.D.-P.); (V.C.); (D.N.-H.)
| | - Tania Santoro
- Department of Medicine, Lausanne University Hospital, 1011 Lausanne, Switzerland; (T.S.); (L.H.)
| | - Lauriane Hamard
- Department of Medicine, Lausanne University Hospital, 1011 Lausanne, Switzerland; (T.S.); (L.H.)
| | - Valérie Cesson
- Department of Urology, Lausanne University Hospital, 1011 Lausanne, Switzerland; (K.S.); (S.D.-P.); (V.C.); (D.N.-H.)
| | - Paolo Meda
- Department of Cell Physiology and Metabolism, Medical Center, University of Geneva, 1206 Geneva, Switzerland;
| | - Denise Nardelli-Haefliger
- Department of Urology, Lausanne University Hospital, 1011 Lausanne, Switzerland; (K.S.); (S.D.-P.); (V.C.); (D.N.-H.)
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Niknam Z, Samadi M, Ghalibafsabbaghi A, Chodari L. IGF-I combined with exercise improve diabetes-induced vascular dysfunction in heart of male Wistar rats. J Cardiovasc Thorac Res 2021; 14:34-41. [PMID: 35620752 PMCID: PMC9106942 DOI: 10.34172/jcvtr.2021.54] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/24/2021] [Indexed: 11/30/2022] Open
Abstract
Introduction: This research investigates the impact of insulin-like growth factor-I (IGF -I)and exercise on mediators associated with angiogenesis (VEGF-A, TSP-1, and NF-кβ) and capillarization status of the diabetic rats’ hearts.
Methods: Splitting of forty Wistar male rats into five groups occurred as following: control,diabetes, diabetes+IGF-I, diabetes+exercise, and diabetes+exercise+IGF-I.Through intraperitoneal administration of 60 mg/kg streptozotocin, the condition of Type 1diabetes was escalated. After four weeks of treatment with IGF-I (2 mg/kg/day) or treadmill exercise (17 m/min, zero degrees slope, 30 min/day), in the heart, microvascular density and protein levels of VEGF-A, TSP-1, and NF-кβ were determined by H&E staining and ELISA,respectively.
Results: Within the diabetic group, observations present a significant decrease in VEGF-A and MVD levels, whereas an increase in the TSP-1 and NF-Κb levels. While these impacts were reversed by either IGF-I or exercise treatments, simultaneous treatment had synergistic effects. Moreover, among diabetic rats, undesirable histologic alterations of the heart were demonstrated, including myonecrosis, interstitial edema, hemorrhage, and mononuclear immune cell infiltration, whereas treatments improved these changes.
Conclusion: These data manifest that IGF-I and exercise can increase the cardiac angiogenesis of diabetic rats through increasing expression of VEGF-A, and decreasing TSP-1 and NF-кβproteins level, also can improve myocardial tissue damages.
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Affiliation(s)
- Zahra Niknam
- Proteomics Research Center, Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Mahrokh Samadi
- Nephrology and Kidney Transplant Research Center, Clinical Research Institute, Urmia University of Medical Sciences , Urmia, Iran
| | | | - leila Chodari
- Neurophysiology Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran
- Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
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20
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Effects of Low-Dose Atorvastatin on the Peripheral Blood Mononuclear Cell Secretion of Angiogenic Factors in Type 2 Diabetes. Biomolecules 2021; 11:biom11121885. [PMID: 34944529 PMCID: PMC8699049 DOI: 10.3390/biom11121885] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/08/2021] [Accepted: 12/14/2021] [Indexed: 01/09/2023] Open
Abstract
The aim of this study was to investigate the influence of statins on the secretion of angiogenesis mediators by the peripheral blood mononuclear cells (PBMCs) derived from patients suffering from type 2 diabetes. The study group comprised 30 participants and included: 10 statin-treated patients with diabetes, 10 statin-free diabetic subjects, and 10 statin-free non-diabetic individuals. PBMCs isolated from the blood were cultured in vitro in standard conditions and in an environment mimicking hyperglycemia. Culture supernatants were evaluated for VEGF, MCP-1, Il-10, and Il-12 by flow cytometry using commercial BDTM. Cytometric Bead Array tests. The secretion of VEGF, MCP-1 and Il-12 by PBMCs, cultured both in standard and hyperglycemic conditions, was significantly lower in the statin-treated patients with type 2 diabetes in comparison with the statin-free diabetic patients. Conversely, the secretion of Il-10 was higher in the statin-treated than in the statin-free diabetic patients. VEGF, MCP-1 and Il-12 levels in PBMCs supernatants from the glucose-containing medium were higher than those from the standard medium in each of the diabetic groups. The results of the study suggest that statins in low doses exhibit an antiangiogenic activity, reducing the secretion of potent proangiogenic factors, such as VEGF and MCP-1, and increasing the secretion of antiangiogenic Il-10 by PBMCs, also under hyperglycemic conditions characteristic for type 2 diabetes.
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Circular RNA mediated gene regulation in chronic diabetic complications. Sci Rep 2021; 11:23766. [PMID: 34887449 PMCID: PMC8660871 DOI: 10.1038/s41598-021-02980-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/22/2021] [Indexed: 01/22/2023] Open
Abstract
Chronic diabetic complications affect multiple organs causing widespread organ damage. Although there are some commonalities, the phenotype of such changes show tissue specific variation. Given this, we examined whether differences in circular RNA (circRNA) mediated gene regulatory mechanisms contribute to changes in gene expression at the basal level and in diabetes. CircRNAs are single-stranded RNA with covalently closed loop structures and act as miRNA sponges, factors of RNA splicing, scaffolding for proteins, regulators of transcription, and modulators of the expression of parental genes, among other roles. We examined heart and retinal tissue from Streptozotocin-induced diabetic mice with established diabetes related tissue damage and tissue from non-diabetic controls. A custom array analysis was performed and the data were analysed. Two major circRNA mediated processes were uniquely upregulated in diabetic heart tissue, namely, positive regulation of endothelial cell migration and regulation of mitochondria: mitochondrial electron transport. In the retina, circRNAs regulating extracellular matrix protein production and endothelial to mesenchymal transition (EndMT) were found to be upregulated. The current study identified regulatory and potential pathogenetic roles of specific circRNA in diabetic retinopathy and cardiomyopathy. Understanding such novel mechanisms, may in the future, be useful to develop RNA based treatment strategies.
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22
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Singh K, Maity P, Koroma AK, Basu A, Pandey RK, Beken SV, Haas P, Krug L, Hainzl A, Sindrilaru A, Pfeiffer C, Wlaschek M, Frank NY, Frank MH, Ganss C, Bánvölgyi A, Wikonkál N, Eming S, Pastar I, Tomic-Canic M, Kluth MA, Scharffetter-Kochanek K. Angiogenin Released from ABCB5 + Stromal Precursors Improves Healing of Diabetic Wounds by Promoting Angiogenesis. J Invest Dermatol 2021; 142:1725-1736.e10. [PMID: 34808236 DOI: 10.1016/j.jid.2021.10.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 10/05/2021] [Accepted: 10/14/2021] [Indexed: 01/07/2023]
Abstract
Severe angiopathy is a major driver for diabetes associated secondary complications. Knowledge on underlying mechanisms essential for advanced therapies to attenuate these pathologies is limited. Injection of ABCB5+ stromal precursors (SPs) at the edge of non-healing diabetic wounds in a murine db/db model, closely mirroring human type II diabetes, profoundly accelerates wound closure. Strikingly, enhanced angiogenesis was substantially enforced by the release of the ribonuclease angiogenin from ABCB5+ SPs. This compensates for the profoundly reduced angiogenin expression in non-treated murine chronic diabetic wounds. Silencing of angiogenin in ABCB5+ SPs prior to injection significantly reduced angiogenesis and delayed wound closure in diabetic db/db mice implying an unprecedented key role for angiogenin in tissue regeneration in diabetes. These data hold significant promise for further refining SPs-based therapies of non-healing diabetic foot ulcers and other pathologies with impaired angiogenesis.
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Affiliation(s)
- Karmveer Singh
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Pallab Maity
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | | | - Abhijit Basu
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Rajeev Kumar Pandey
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Seppe Vander Beken
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Philipp Haas
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Linda Krug
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Adelheid Hainzl
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Anca Sindrilaru
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Christiane Pfeiffer
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Meinhard Wlaschek
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Natasha Y Frank
- Transplantation Research Center, Boston Children's Hospital and Brigham and Women's Hospital, Boston, MA, USA; Department of Medicine, Boston VA Healthcare System, West Roxbury, MA, USA; Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Markus H Frank
- Transplantation Research Center, Boston Children's Hospital and Brigham and Women's Hospital, Boston, MA, USA; Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Transplantation Research Center, Boston Children's Hospital and Brigham and Women's Hospital, Boston, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts, USA; School of Medical and Health Sciences, Edith Cowan University, Perth, Western Australia, Australia
| | - Christoph Ganss
- TICEBA GmbH, Heidelberg, Germany; RHEACELL GmbH & Co. KG, Heidelberg, Germany
| | - András Bánvölgyi
- Department of Dermatology, Venereology and Dermatooncology, Semmelweis University, Budapest, Hungary
| | - Norbert Wikonkál
- Department of Dermatology, Venereology and Dermatooncology, Semmelweis University, Budapest, Hungary
| | - Sabine Eming
- Department of Dermatology and Venereology, University of Cologne, Cologne, Germany
| | - Irena Pastar
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Marjana Tomic-Canic
- Wound Healing and Regenerative Medicine Research Program, Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Mark A Kluth
- TICEBA GmbH, Heidelberg, Germany; RHEACELL GmbH & Co. KG, Heidelberg, Germany
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Dastah S, Tofighi A, Bonab SB. The effect of aerobic exercise on the expression of mir-126 and related target genes in the endothelial tissue of the cardiac muscle of diabetic rats. Microvasc Res 2021; 138:104212. [PMID: 34175330 DOI: 10.1016/j.mvr.2021.104212] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/13/2021] [Accepted: 06/18/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND The aim of this study was to investigate the effect of 8 weeks of aerobic exercise on the expression of mir-126 and some angiogenesis factors in the endothelial tissue of the cardiac muscle of type 2 diabetic rats. METHODS Sixteen male Wistar rats were divided into two groups: diabetic control and diabetic training. Nicotinamide and streptozotocin injections were used to induce type 2 diabetes. After familiarization, the training group participated in an 8-week exercise protocol on a treadmill with an intensity of 25 m per minute, a slope of 5% and 30 min per session. RT-PCR was used to evaluate the expression of mir-126 and PI3K genes. Expression of raf1, VEGF, blood glucose and insulin was determined by ELISA and insulin resistance was assessed by HOMA-IR homeostasis model. Immunohistochemistry was used to measure the capillary density of the cardiac muscle. Data were analyzed by t-test for independent groups with a significance level of p < 0.05. RESULTS Diabetes reduces angiogenesis in cardiac tissue, which is associated with a significant reduction in the expression of mir-126, raf1, VEGF and PI3K; while aerobic exercise increased the expression of mir-126, raf1, PI3K, VEGF. Exercise also decreased blood glucose levels and insulin resistance. CONCLUSION It seems that aerobic exercise can prevent the destructive effects of diabetes by activating the angiogenic pathway of cardiac tissue. Therefore, regulatory processes through mir-126, which are influenced by aerobic exercise, can be a valuable strategy in developing new treatments for diabetes.
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Affiliation(s)
- Samaneh Dastah
- Department of Exercise Physiology, Faculty of Sport Sciences, Urmia University, Urmia, Iran
| | - Asghar Tofighi
- Department of Exercise Physiology, Faculty of Sport Sciences, Urmia University, Urmia, Iran.
| | - Solmaz Babaei Bonab
- Department of Sports Sciences, Faculty of Humanities, University of Maragheh, Maragheh, Iran.
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24
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Therapeutic approaches targeting molecular signaling pathways common to diabetes, lung diseases and cancer. Adv Drug Deliv Rev 2021; 178:113918. [PMID: 34375681 DOI: 10.1016/j.addr.2021.113918] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 07/23/2021] [Accepted: 08/05/2021] [Indexed: 12/12/2022]
Abstract
Diabetes mellitus (DM), is the most common metabolic disease and is characterized by sustained hyperglycemia. Accumulating evidences supports a strong association between DM and numerous lung diseases including chronic obstructive pulmonary disease (COPD), fibrosis, and lung cancer (LC). The global incidence of DM-associated lung disorders is rising and several ongoing studies, including clinical trials, aim to elucidate the molecular mechanisms linking DM with lung disorders, in particular LC. Several potential mechanisms, including hyperglycemia, hyperinsulinemia, glycation, inflammation, and hypoxia, are cited as plausible links between DM and LC. In addition, studies also propose a connection between the use of anti-diabetic medications and reduction in the incidence of LC. However, the exact cause for DM associated lung diseases especially LC is not clear and is an area under intense investigation. Herein, we review the biological links reported between DM and lung disorders with an emphasis on LC. Furthermore, we report common signaling pathways (eg: TGF-β, IL-6, HIF-1, PDGF) and miRNAs that are dysregulated in DM and LC and serve as molecular targets for therapy. Finally, we propose a nanomedicine based approach for delivering therapeutics (eg: IL-24 plasmid DNA, HuR siRNA) to disrupt signaling pathways common to DM and LC and thus potentially treat DM-associated LC. Finally, we conclude that the effective modulation of commonly regulated signaling pathways would help design novel therapeutic protocols for treating DM patients diagnosed with LC.
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Sadeghian R, Shahidi S, Komaki A, Habibi P, Ahmadiasl N, Yousefi H, Daghigh F. Synergism effect of swimming exercise and genistein on the inflammation, oxidative stress, and VEGF expression in the retina of diabetic-ovariectomized rats. Life Sci 2021; 284:119931. [PMID: 34480934 DOI: 10.1016/j.lfs.2021.119931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/30/2022]
Abstract
AIMS Retinal neovascularization is one of the visual disorders during the postmenopausal period or types two diabetes. Physical activities and also phytoestrogens with powerful antioxidant features have been widely considered to improve nervous system diseases. Therefore, this study investigated the effects of genistein, swimming exercise, and their co-treatment on retina angiogenesis, oxidative stress, and inflammation in diabetic-ovariectomized rats. MAIN METHODS Wistar rats were randomly divided into six groups (n = 8 per group): sham, ovariectomized group (OVX), OVX + diabetes (OVX.D), OVX.D+ genistein (1 mg/kg, eight weeks; daily SC), OVX.D + exercise (eight weeks), and OVX.D+ genistein+exercise (eight weeks). At the end of 8 weeks, the retina was removed under anesthesia. The assessed effects of treatment were by measuring MiR-146a and miR-132 expression via RT-PCR, the protein levels of ERK, MMP-2, VEGF, and NF-κB via western blotting, inflammation, and oxidative stress markers levels via the Eliza. KEY FINDINGS The results showed miR-132, miR-146b, and MMP-2, NF-κB, ERK, VEGF, TNF-α, IL-1β proteins, and MDA factor in the OVX.D group were increased, but glutathione (GSH) was decreased in comparison with the sham and OVX groups. Both exercise and genistein treatment has reversed the disorder caused by diabetes. However, the combination of exercise and genistein was more effective than each treatment alone. SIGNIFICANCE It can be concluded that the interaction of exercise and genistein on microRNAs and their target protein was affected in the inflammation, stress oxidative, and extracellular matrix metalloproteinase pathways, can leading to a decrease in impairment of retinal neovascularization of the ovariectomized diabetic rats.
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Affiliation(s)
- Reihaneh Sadeghian
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran; Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Siamak Shahidi
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Alireza Komaki
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Parisa Habibi
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Nasser Ahmadiasl
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Yousefi
- Department of Basic Medical Sciences, Khoy University of Medical Sciences, Khoy, Iran
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26
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Eliezer M, Sculean A, Miron RJ, Nemcovsky C, Bosshardt DD, Fujioka-Kobayashi M, Weinreb M, Moses O. Cross-linked hyaluronic acid slows down collagen membrane resorption in diabetic rats through reducing the number of macrophages. Clin Oral Investig 2021; 26:2401-2411. [PMID: 34608575 DOI: 10.1007/s00784-021-04206-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 09/26/2021] [Indexed: 12/23/2022]
Abstract
OBJECTIVES We previously showed that accelerated degradation of collagen membranes (CMs) in diabetic rats is associated with increased infiltration of macrophages and blood vessels. Since pre-implantation immersion of CMs in cross-linked high molecular weight hyaluronic acid (CLHA) delays membrane degradation, we evaluated here its effect on the number of macrophages and endothelial cells (ECs) within the CM as a possible mechanism for inhibition of CM resorption. MATERIALS AND METHODS Diabetes was induced with streptozotocin in 16 rats, while 16 healthy rats served as control. CM discs were labeled with biotin, soaked in CLHA or PBS, and implanted under the scalp. Fourteen days later, CMs were embedded in paraffin and the number of macrophages and ECs within the CMs was determined using antibodies against CD68 and transglutaminase II, respectively. RESULTS Diabetes increased the number of macrophages and ECs within the CMs (∼2.5-fold and fourfold, respectively). Immersion of CMs in CLHA statistically significantly reduced the number of macrophages (p < 0.0001) in diabetic rats, but not that of ECs. In the healthy group, CLHA had no significant effect on the number of either cells. Higher residual collagen area and membrane thickness in CLHA-treated CMs in diabetic animals were significantly correlated with reduced number of macrophages but not ECs. CONCLUSIONS Immersion of CM in CLHA inhibits macrophage infiltration and reduces CM degradation in diabetic animals. CLINICAL RELEVANCE The combination of CLHA and CM may represent a valuable approach when guided tissue regeneration or guided bone regeneration procedures are performed in diabetic patients.
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Affiliation(s)
- Meizi Eliezer
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Anton Sculean
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Richard J Miron
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Carlos Nemcovsky
- Department of Periodontology and Dental Implantology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dieter D Bosshardt
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland.,Robert K. Schenk Laboratory of Oral Histology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Masako Fujioka-Kobayashi
- Department of Cranio-Maxillofacial Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Miron Weinreb
- Department of Oral Biology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ofer Moses
- Department of Periodontology and Dental Implantology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel.
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Solly EL, Psaltis PJ, Bursill CA, Tan JTM. The Role of miR-181c in Mechanisms of Diabetes-Impaired Angiogenesis: An Emerging Therapeutic Target for Diabetic Vascular Complications. Front Pharmacol 2021; 12:718679. [PMID: 34483928 PMCID: PMC8414254 DOI: 10.3389/fphar.2021.718679] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 08/06/2021] [Indexed: 12/13/2022] Open
Abstract
Diabetes mellitus is estimated to affect up to 700 million people by the year 2045, contributing to an immense health and economic burden. People living with diabetes have a higher risk of developing numerous debilitating vascular complications, leading to an increased need for medical care, a reduced quality of life and increased risk of early death. Current treatments are not satisfactory for many patients who suffer from impaired angiogenesis in response to ischaemia, increasing their risk of ischaemic cardiovascular conditions. These vascular pathologies are characterised by endothelial dysfunction and abnormal angiogenesis, amongst a host of impaired signaling pathways. Therapeutic stimulation of angiogenesis holds promise for the treatment of diabetic vascular complications that stem from impaired ischaemic responses. However, despite significant effort and research, there are no established therapies that directly stimulate angiogenesis to improve ischaemic complications such as ischaemic heart disease and peripheral artery disease, highlighting the immense unmet need. However, despite significant effort and research, there are no established therapies that directly stimulate angiogenesis in a clinical setting, highlighting the immense unmet need. MicroRNAs (miRNAs) are emerging as powerful targets for multifaceted diseases including diabetes and cardiovascular disease. This review highlights the potential role of microRNAs as therapeutic targets for rescuing diabetes-impaired angiogenesis, with a specific focus on miR-181c, which we have previously identified as an important angiogenic regulator. Here we summarise the pathways currently known to be regulated by miR-181c, which include the classical angiogenesis pathways that are dysregulated in diabetes, mitochondrial function and axonal guidance, and describe how these relate both directly and indirectly to angiogenesis. The pleiotropic actions of miR-181c across multiple key angiogenic signaling pathways and critical cellular processes highlight its therapeutic potential as a novel target for treating diabetic vascular complications.
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Affiliation(s)
- Emma L Solly
- Vascular Research Centre, Lifelong Health Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
| | - Peter J Psaltis
- Vascular Research Centre, Lifelong Health Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
| | - Christina A Bursill
- Vascular Research Centre, Lifelong Health Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia.,ARC Centre of Excellence for Nanoscale BioPhotonics, The University of Adelaide, Adelaide, SA, Australia
| | - Joanne T M Tan
- Vascular Research Centre, Lifelong Health Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
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Ricciardi CA, Gnudi L. Vascular growth factors as potential new treatment in cardiorenal syndrome in diabetes. Eur J Clin Invest 2021; 51:e13579. [PMID: 33942293 DOI: 10.1111/eci.13579] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/11/2021] [Accepted: 04/21/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Cardiorenal syndrome in diabetes is characterised by alterations of the cardiovascular system paralleled by kidney disease with progressive renal function decline. In diabetes, chronic metabolic and haemodynamic perturbations drive endothelial dysfunction, inflammation, oxidative stress and progressive tissue fibrosis which, in turn, lead to heart and renal anatomo-functional damage. In physiology, vascular growth factors have been implicated in vascular homeostasis; their imbalance, in disease setting such as diabetes, leads to vascular dysfunction and cardiorenal damage. AIMS To define the role of vascular growth factors and angiopoietins in cardiorenal syndrome. MATERIAL AND METHODS We will focus on the two most studied vascular growth factors, vascular endothelial growth factor (VEGF) and angiopoietins (Angpt). The balance and crosstalk between these growth factors are important in organ development and in the maintenance of a healthy vasculature, heart and kidney. The observed alterations in expression/function of these vascular growth factors, as seen in diabetes, are a protective response against external perturbations. RESULTS The chronic insults driving diabetes-mediated cardiorenal damage results in a paradoxical situation, whereby the vascular growth factors imbalance becomes a mechanism of disease. Studies have explored the possibility of modulating the expression/action of vascular growth factors to improve disease outcome. Experimental work has been conducted in animals and has been gradually translated in humans. DISCUSSION Difficulties have been encountered especially when considering the magnitude, timing and duration of interventions targeting a selective vascular growth factor. Targeting VEGF in cardiovascular disease has been challenging, while modulation of the Angpt system seems more promising. CONCLUSION Future studies will establish the translatability of therapies targeting vascular growth factors for heart and kidney disease in patients with diabetes.
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Affiliation(s)
- Carlo Alberto Ricciardi
- Section Vascular Biology and Inflammation, School of Cardiovascular Medicine & Sciences, British Heart Foundation Centre for Research Excellence, Faculty of Life Sciences & Medicine, King's College London, London, UK
| | - Luigi Gnudi
- Section Vascular Biology and Inflammation, School of Cardiovascular Medicine & Sciences, British Heart Foundation Centre for Research Excellence, Faculty of Life Sciences & Medicine, King's College London, London, UK
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29
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Lee JH, Samsuzzaman M, Park MG, Park SJ, Kim SY. Methylglyoxal-derived hemoglobin advanced glycation end products induce apoptosis and oxidative stress in human umbilical vein endothelial cells. Int J Biol Macromol 2021; 187:409-421. [PMID: 34271050 DOI: 10.1016/j.ijbiomac.2021.07.058] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 07/08/2021] [Accepted: 07/08/2021] [Indexed: 12/30/2022]
Abstract
The presence of excess glucose promotes hemoglobin glycation via the biochemical modification of hemoglobin by dicarbonyl products. However, the precise effects of Hb-AGEs in human umbilical vein endothelial cells (HUVECs) are not known to date. Therefore, we investigated the tentative effects of Hb-AGEs in HUVECs. Initially, we used the AGE formation assay to examine the selectivity of MGO toward various proteins. Among all proteins, MGO-Hb-AGEs formation was higher compared to the formation of other dicarbonyl-mediated AGEs. Our next data demonstrated that treatment with 0.5 mg/mL of Hb-AGEs-4w significantly reduced cell viability in HUVECs. Further, we evaluated the role of MGO in conformational and structural changes in Hb. The results showed that Hb demonstrated a highly altered conformation upon incubation with MGO. Moreover, Hb-AGEs-4w treatment strongly increased ROS production, and decreased mitochondrial membrane potential in HUVECs, and moderately reduced the expression of phosphorylated forms of p-38 and JNK. We observed that Hb-AGEs-4w treatment increased the number of apoptotic cells and the Bax/Bcl-2 ratio and cleaved the nuclear enzyme PARP in HUVECs. Finally, Hb-AGEs also inhibited migration and proliferation of HUVECs, thus be physiologically significant in endothelial dysfunction. Taken together, our data suggest that Hb-AGEs may play a critical role in inducing vascular endothelial cell damage. Therefore, this study may provide a plausible explanation for the potential Hb-AGEs in human endothelial cell dysfunction of diabetic patients.
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Affiliation(s)
- Jae Hyuk Lee
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea
| | - Md Samsuzzaman
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea
| | - Myoung Gyu Park
- MetaCen Therapeutics Company, # Changnyong-daero 256 beon-gil, Yeongtong-gu, Suwon-si, Gyeonggi-do 16229, Republic of Korea
| | - Sung Jean Park
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Science, Gachon University, #191, Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Republic of Korea.
| | - Sun Yeou Kim
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Science, Gachon University, #191, Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Republic of Korea.
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Identification of Angiogenic Cargo in Extracellular Vesicles Secreted from Human Adipose Tissue-Derived Stem Cells and Induction of Angiogenesis In Vitro and In Vivo. Pharmaceutics 2021; 13:pharmaceutics13040495. [PMID: 33916460 PMCID: PMC8066163 DOI: 10.3390/pharmaceutics13040495] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 03/29/2021] [Accepted: 03/29/2021] [Indexed: 12/15/2022] Open
Abstract
Angiogenesis is defined as the generation of new blood vessels or the sprouting of endothelial cells from a pre-existing vascular network. Angiogenesis occurs during the growth and development of an organism, the response of organs or tissues to injury, and during cancer development and progression. The majority of studies on stem-cell-derived extracellular vesicles (EVs) have used cell lines, and have primarily focused on well-known solitary proteins. Here, we isolated stem cells from human adipose tissue (ADSCs), and we isolated EVs from them (ADSC-EVs). The ADSC-EVs were characterised and 20 angiogenic proteins were analysed using an angiogenic antibody array. Furthermore, we analysed the ability of ADSC-EVs to induce angiogenesis in vitro and in vivo. ADSC-EVs were positive for CD81 and negative for GM130, calnexin, and cytochrome-C. ADSC-EVs showed typical EV spherical morphology and were ~200 nm in size. ADSC-EVs were found to contain angiogenic proteins as cargo, among which interleukin 8 (IL-8) was the most abundant, followed by chemokine (C-C motif) ligand 2 (CCL2), a tissue inhibitor of metalloproteinases 1 (TIMP-1), TIMP-2, and vascular endothelial growth factor-D (VEGF-D). ADSC-EVs treatment increased the proliferation, migration, total vessel length, total number of junctions, and junction density of endothelial cells in vitro. The results of an in vivo Matrigel plug assay revealed that ADSC-EVs induced more blood vessels in the Matrigel compared with the control. These results demonstrate that ADSC-EVs contain angiogenic proteins as cargo and promote angiogenesis in vitro and in vivo. Therefore, ADSC-EVs have potential for therapeutic use in ischaemia.
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Rajamanickam A, Munisankar S, Menon PA, Nutman TB, Babu S. Diminished circulating levels of angiogenic factors and RAGE ligands in helminth-diabetes comorbidity and reversal following anthelmintic treatment. J Infect Dis 2021; 224:1614-1622. [PMID: 33822083 DOI: 10.1093/infdis/jiab170] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/29/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Various epidemiological and experimental studies propose that helminths could play a preventive role against the progression of Type 2 diabetes mellitus (T2DM). T2DM induces microvascular and large vessel complications mediated by elevated levels of angiogenic factors and soluble RAGE ligands. However, the interactions between helminths and host angiogenic factors and RAGE ligands are unexplored. METHODS To assess the relationship between a soil-transmitted helminth, Strongyloides stercoralis (Ss) and T2DM, we measured plasma levels of VEGF-A, C, D, Angio-1 and Angio-2 and their receptors VEGF-R1, R2 and R3 as well as sRAGE and their ligands AGE, S100A12 and HMBG-1 in individuals with T2DM with Ss+ or without Ss infection (Ss-). In Ss+ individuals, we also measured the levels of aforementioned factors 6 months following anthelmintic therapy. RESULTS Ss+ individuals exhibited significantly decreased levels of VEGF-A, C, D, Angio-1 and Angio-2 and their soluble receptors VEGF-R1, R2 and R3, that increased following anthelmintic therapy. Likewise, Ss+ individuals exhibited significantly decreased levels of AGE and their ligands sRAGE, S100A12 and HMBG-1 which reversed following anthelmintic therapy. CONCLUSION Our data suggest that Ss infection could play a beneficial role by limiting or delaying the T2DM related vascular complications.
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Affiliation(s)
- Anuradha Rajamanickam
- National Institute of Health-NIRT-International Center for Excellence in Research, Chennai, India
| | - Saravanan Munisankar
- National Institute of Health-NIRT-International Center for Excellence in Research, Chennai, India
| | - Pradeep A Menon
- National Institute for Research in Tuberculosis, Chennai, India
| | - Thomas B Nutman
- Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Subash Babu
- National Institute of Health-NIRT-International Center for Excellence in Research, Chennai, India and Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
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Maissan P, Mooij EJ, Barberis M. Sirtuins-Mediated System-Level Regulation of Mammalian Tissues at the Interface between Metabolism and Cell Cycle: A Systematic Review. BIOLOGY 2021; 10:194. [PMID: 33806509 PMCID: PMC7999230 DOI: 10.3390/biology10030194] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/20/2021] [Accepted: 02/25/2021] [Indexed: 02/06/2023]
Abstract
Sirtuins are a family of highly conserved NAD+-dependent proteins and this dependency links Sirtuins directly to metabolism. Sirtuins' activity has been shown to extend the lifespan of several organisms and mainly through the post-translational modification of their many target proteins, with deacetylation being the most common modification. The seven mammalian Sirtuins, SIRT1 through SIRT7, have been implicated in regulating physiological responses to metabolism and stress by acting as nutrient sensors, linking environmental and nutrient signals to mammalian metabolic homeostasis. Furthermore, mammalian Sirtuins have been implicated in playing major roles in mammalian pathophysiological conditions such as inflammation, obesity and cancer. Mammalian Sirtuins are expressed heterogeneously among different organs and tissues, and the same holds true for their substrates. Thus, the function of mammalian Sirtuins together with their substrates is expected to vary among tissues. Any therapy depending on Sirtuins could therefore have different local as well as systemic effects. Here, an introduction to processes relevant for the actions of Sirtuins, such as metabolism and cell cycle, will be followed by reasoning on the system-level function of Sirtuins and their substrates in different mammalian tissues. Their involvement in the healthy metabolism and metabolic disorders will be reviewed and critically discussed.
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Affiliation(s)
- Parcival Maissan
- Synthetic Systems Biology and Nuclear Organization, Swammerdam Institute for Life Sciences, University of Amsterdam, 1098 XH Amsterdam, The Netherlands;
| | - Eva J. Mooij
- Systems Biology, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, Surrey, UK;
- Centre for Mathematical and Computational Biology, CMCB, University of Surrey, Guildford GU2 7XH, Surrey, UK
| | - Matteo Barberis
- Synthetic Systems Biology and Nuclear Organization, Swammerdam Institute for Life Sciences, University of Amsterdam, 1098 XH Amsterdam, The Netherlands;
- Systems Biology, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, Surrey, UK;
- Centre for Mathematical and Computational Biology, CMCB, University of Surrey, Guildford GU2 7XH, Surrey, UK
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Nensat C, Songjang W, Tohtong R, Suthiphongchai T, Phimsen S, Rattanasinganchan P, Metheenukul P, Kumphune S, Jiraviriyakul A. Porcine placenta extract improves high-glucose-induced angiogenesis impairment. BMC Complement Med Ther 2021; 21:66. [PMID: 33602182 PMCID: PMC7893890 DOI: 10.1186/s12906-021-03243-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 02/09/2021] [Indexed: 11/29/2022] Open
Abstract
Background High glucose (HG)-induced reactive oxygen species (ROS) overproduction impairs angiogenesis that is one pivotal factor of wound healing process. Angiogenesis impairment induces delayed wound healing, whereby it eventually leads to amputation in cases of poorly controlled diabetes with diabetic ulceration. Porcine placenta extract (PPE) is a natural waste product that comprises plenty of bioactive agents including growth factors and antioxidants. It was reported as an effective compound that prevents ROS generation. The goal of this study was to investigate the in vitro effect of PPE on HG-induced ROS-mediated angiogenesis impairment. Methods Primary endothelial cells (HUVECs) and endothelial cell line (EA.hy926) were treated with HG in the presence of PPE. The endothelial cells (ECs) viability, intracellular ROS generation, migration, and angiogenesis were determined by MTT assay, DCFDA reagent, wound healing assay, and tube formation assay, respectively. Additionally, the molecular mechanism of PPE on HG-induced angiogenesis impairment was investigated by Western blot. The angiogenic growth factor secretion was also investigated by the sandwich ELISA technique. Results HG in the presence of PPE significantly decreased intracellular ROS overproduction compared to HG alone. HG in the presence of PPE significantly increased ECs viability, migration, and angiogenesis compared to HG alone by showing recovery of PI3K/Akt/ERK1/2 activation. HG in the presence of PPE also decreased ECs apoptosis compared to HG alone by decreasing p53/Bax/cleaved caspase 9/cleaved caspase 3 levels and increasing Bcl 2 level. Conclusion PPE attenuated HG-induced intracellular ROS overproduction that improved ECs viability, proliferation, migration, and angiogenesis by showing recovery of PI3K/Akt/ERK1/2 activation and inhibition of ECs apoptosis. This study suggests PPE ameliorated HG-induced ROS-mediated angiogenesis impairment, whereby it potentially provides an alternative treatment for diabetic wounds. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-021-03243-z.
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Affiliation(s)
- Chatchai Nensat
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand.,Graduate Program in Biomedical Sciences, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
| | - Worawat Songjang
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand.,Department of Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
| | - Rutaiwan Tohtong
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | | | - Suchada Phimsen
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | | | - Pornphimon Metheenukul
- Department of Veterinary Technology, Faculty of Veterinery Technology, Kasetsart University, Bangkok, 10900, Thailand
| | - Sarawut Kumphune
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand.,Biomedical Engineering Institute (BMEI), Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Arunya Jiraviriyakul
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand. .,Department of Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand.
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Mukherjee T, Behl T, Sehgal A, Bhatia S, Singh H, Bungau S. Exploring the molecular role of endostatin in diabetic neuropathy. Mol Biol Rep 2021; 48:1819-1836. [PMID: 33559819 DOI: 10.1007/s11033-021-06205-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 01/28/2021] [Indexed: 02/06/2023]
Abstract
For over a decade, diabetic neuropathy has exhibited great emergence in diabetic patients. Though there are numerous impediments in understanding the underlying pathology it is not that enough to conclude. Initially, there was no intricate protocol for diagnosis as its symptoms mimic most of the neurodegenerative disorders and demyelinating diseases. Continuous research on this, reveals many pathological correlates which are also detectable clinically. The most important pathologic manifestation is imbalanced angiogenesis/neo-vascularization. This review is completely focused on established pathogenesis and anti-angiogenic agents which are physiological signal molecules by the origin. Those agents can also be used externally to inhibit those pathogenic pathways. Pathologically DN demonstrates the misbalanced expression of many knotty factors like VEGF, FGF2, TGFb, NF-kb, TNF-a, MMP, TIMP, and many minor factors. Their pathway towards the incidence of DN is quite interrelated. Many anti-angiogenic agents inhibit neovascularization to many extents, but out of them predominantly inhibition of angiogenic activity is shared by endostatin which is now in clinical trial phase II. It inhibits almost all angiogenic factors and it is possible because they share interrelated pathogenesis towards imbalanced angiogenesis. Endostatin is a physiological signal molecule produced by the proteolytic cleavage of collagen XVIII. It has also a broad research profile in the field of medical research and further investigation can show promising therapeutic effects for benefit of mankind.
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Affiliation(s)
- Tuhin Mukherjee
- Guru Nanak Institute of Pharmaceutical Science and Technology, Kolkata, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Saurabh Bhatia
- Amity Institute of Pharmacy, Amity University, Gurgaon, Haryana, India.,Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, Sultanate of Oman
| | | | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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Sabzevari Rad R, Shirvani H, Mahmoodzadeh Hosseini H, Shamsoddini A, Samadi M. Micro RNA-126 promoting angiogenesis in diabetic heart by VEGF/Spred-1/Raf-1 pathway: effects of high-intensity interval training. J Diabetes Metab Disord 2021; 19:1089-1096. [PMID: 33520826 DOI: 10.1007/s40200-020-00610-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 08/06/2020] [Indexed: 12/20/2022]
Abstract
Purpose This study aims to investigate the effect of high-intensity interval training (HIIT) on gene expression of MicroRNA-126 (miR-126) and serum concentration of vascular endothelial growth factor/ sprouty related EVH1 domain containing 1/ rapidly accelerated fibrosarcoma 1 (VEGF/Spred-1/Raf-1) proteins effective in cardiac tissue angiogenesis of diabetic rats. Methods Forty male Wistar rats were randomly divided into four groups of healthy control (HC), diabetic control (DC), diabetic with HIIT training (DT), and healthy with HIIT training (HT). HIIT was performed 6 days per week for 6 weeks (with the overload). Diabetes was induced via the combination of intraperitoneal injection of streptozotocin and high-fat foods. Results Diabetes remarkably diminished the expressions of miR-126, VEGF and Raf-1 proteins, and augmented Spred-1 expression. Meanwhile, the implementation of HIIT gave rise to a significant enhancement in expression of miR-126 heart tissue (P < 0.01), and subsequently increased the expression of VEGF and Raf-1 proteins (P < 0.01), and declined Spred-1 expression (P < 0.01) in the training group compared to the control group. Conclusion The results of this study show that HIIT increases the expression of miR-126 by activating the angiogenesis pathway of the heart tissue. Increased angiogenesis through the miR-126 pathway is vital to compensate for heart destruction induced by diabetes. Thus, the use of standard interval exercise can be introduced as a novel therapeutic target for diabetic cardiomyopathy.
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Affiliation(s)
- Reza Sabzevari Rad
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hossein Shirvani
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamideh Mahmoodzadeh Hosseini
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Alireza Shamsoddini
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mohammad Samadi
- Exercise Physiology Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Hernandez-Olmos V, Heering J, Planz V, Liu T, Kaps A, Rajkumar R, Gramzow M, Kaiser A, Schubert-Zsilavecz M, Parnham MJ, Windbergs M, Steinhilber D, Proschak E. First Structure-Activity Relationship Study of Potent BLT2 Agonists as Potential Wound-Healing Promoters. J Med Chem 2020; 63:11548-11572. [PMID: 32946232 DOI: 10.1021/acs.jmedchem.0c00588] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The first potent leukotriene B4 (LTB4) receptor type 2 (BLT2) agonists, endogenous 12(S)-hydroxyheptadeca-5Z,8E,10E-trienoic acid (12-HHT), and synthetic CAY10583 (CAY) have been recently described to accelerate wound healing by enhanced keratinocyte migration and indirect stimulation of fibroblast activity in diabetic rats. CAY represents a very valuable starting point for the development of novel wound-healing promoters. In this work, the first structure-activity relationship study for CAY scaffold-based BLT2 agonists is presented. The newly prepared derivatives showed promising in vitro wound-healing activity.
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Affiliation(s)
- Victor Hernandez-Olmos
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Jan Heering
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Viktoria Planz
- Institute of Pharmaceutical Technology and Buchmann Institute for Molecular Life Sciences, Goethe University, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Ting Liu
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Alexander Kaps
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Rinusha Rajkumar
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Matthias Gramzow
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Astrid Kaiser
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Manfred Schubert-Zsilavecz
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Michael J Parnham
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Maike Windbergs
- Institute of Pharmaceutical Technology and Buchmann Institute for Molecular Life Sciences, Goethe University, Max-von-Laue-Str. 15, 60438 Frankfurt am Main, Germany
| | - Dieter Steinhilber
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
| | - Ewgenij Proschak
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany.,Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt am Main, Germany
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Naomi R, Fauzi MB. Cellulose/Collagen Dressings for Diabetic Foot Ulcer: A Review. Pharmaceutics 2020; 12:E881. [PMID: 32957476 PMCID: PMC7558961 DOI: 10.3390/pharmaceutics12090881] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/11/2020] [Accepted: 09/14/2020] [Indexed: 02/06/2023] Open
Abstract
Diabetic foot ulcer (DFU) is currently a global concern and it requires urgent attention, as the cost allocation by the government for DFU increases every year. This review was performed to provide scientific evidence on the advanced biomaterials that can be utilised as a first-line treatment for DFU patients. Cellulose/collagen dressings have a biological property on non-healing wounds, such as DFU. This review aims to analyse scientific-based evidence of cellulose/collagen dressing for DFU. It has been proven that the healing rate of cellulose/collagen dressing for DFU patients demonstrated a significant improvement in wound closure as compared to current standard or conventional dressings. It has been scientifically proven that cellulose/collagen dressing provides a positive effect on non-healing DFU. There is a high tendency for cellulose/collagen dressing to be used, as it highly promotes angiogenesis with a rapid re-epithelisation rate that has been proven effective in clinical trials.
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Affiliation(s)
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia;
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Hamard L, Santoro T, Allagnat F, Meda P, Nardelli-Haefliger D, Alonso F, Haefliger JA. Targeting connexin37 alters angiogenesis and arteriovenous differentiation in the developing mouse retina. FASEB J 2020; 34:8234-8249. [PMID: 32323401 DOI: 10.1096/fj.202000257r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/20/2020] [Accepted: 04/06/2020] [Indexed: 11/11/2022]
Abstract
Connexin37 (Cx37) forms intercellular channels between endothelial cells (EC), and contributes to coordinate the motor tone of vessels. We investigated the contribution of this protein during physiological angiogenesis. We show that, compared to WT littermates, mice lacking Cx37 (Cx37-/- ) featured (i) a decreased extension of the superficial vascular plexus during the first 4 days after birth; (ii) an increased vascular density at the angiogenic front at P6, due to an increase in the proliferative rate of EC and in the sprouting of the venous compartment, as well as to a somewhat displaced position of tip cells; (iii) a decreased coverage of newly formed arteries and veins by mural cells; (iv) altered ERK-dependent endothelial cells proliferation through the EphB4 signaling pathway, which is involved in the specification of veins and arteries. In vitro studies documented that, in the absence of Cx37, human venous EC (HUVEC) released less platelet-derived growth factor (PDGF) and more Angiopoietin-2, two molecules involved in the recruitment of mural cells. Treatment of mice with DAPT, an inhibitor of the Notch pathway, decreased the expression of Cx37, and partially mimicked in WT retinas, the alterations observed in Cx37-/- mice. Thus, Cx37 contributes to (i) the early angiogenesis of retina, by interacting with the Notch pathway; (ii) the growth and maturation of neo-vessels, by modulating tip, stalk, and mural cells; (iii) the regulation of arteriovenous specification, thus, representing a novel target for treatments of retina diseases.
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Affiliation(s)
- Lauriane Hamard
- Department of Medicine, Lausanne University Hospital, Lausanne, Switzerland
| | - Tania Santoro
- Department of Medicine, Lausanne University Hospital, Lausanne, Switzerland
| | - Florent Allagnat
- Department of Medicine, Lausanne University Hospital, Lausanne, Switzerland
| | - Paolo Meda
- Department of Cell Physiology and Metabolism, Medical Center, University of Geneva, Geneva, Switzerland
| | | | - Florian Alonso
- Centre de Recherche Cardio-Thoracique de Bordeaux (INSERM U1045), Université de Bordeaux, Bordeaux, France
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Molecular mechanisms of methylglyoxal-induced aortic endothelial dysfunction in human vascular endothelial cells. Cell Death Dis 2020; 11:403. [PMID: 32467587 PMCID: PMC7256048 DOI: 10.1038/s41419-020-2602-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 04/06/2020] [Accepted: 04/07/2020] [Indexed: 12/13/2022]
Abstract
Methylglyoxal (MGO)-induced cellular apoptosis, oxidative stress, inflammation, and AGE formation are specific events that induce vascular endothelial cell (EC) toxicity in endothelial dysfunction (ED). MGO accumulates quickly in various tissues and plays a prominent role in the pathogeneses of several diabetic complications. Unbalanced angiogenesis is a gateway to the development of diabetic complications. EC apoptosis and autophagy work together to regulate angiogenesis by interacting with different angiogenic factors. In addition to understanding the deep mechanism regarding MGO-dependent autophagy/apoptosis may provide new therapeutic applications to treat diabetes and diabetic complications. Therefore, the present study aimed to investigate the regulatory effects of MGO-induced autophagy and apoptosis on angiogenesis in HAoEC and to elucidate the molecular mechanisms to discover new target base therapy for diabetes and diabetic complications. In MGO-stimulated HAoEC, protein expression was identified using a western blot, autophagosomes were observed by bio-transmission electron microscopy (TEM), and cell autophagic vacuoles and flux were measured using a confocal microscope. We found that MGO significantly induced autophagy, declined the pro-angiogenic effect, decreased proliferation, migration, and formation of tube-like structures, and increased autophagic vacuoles, flux and autophagosomes in the HAoEC in a dose-dependent manner. We observed that MGO-induced autophagic cell death and inhibited the ROS-mediated Akt/mTOR signaling pathway. MGO also triggered apoptosis by elevating the cleaved caspase-3 to Bax/Bcl-2 ratio and through activation of the ROS-mediated MAPKs (p-JNK, p-p38, and p-ERK) signaling pathway. Collectively, these findings suggest that autophagy and apoptosis inhibit angiogenesis via the ROS-mediated Akt/mTOR and MAPKs signaling pathways, respectively, when HAoEC are treated with MGO.
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Saboory E, Gholizadeh-Ghaleh Aziz S, Samadi M, Biabanghard A, Chodari L. Exercise and insulin-like growth factor 1 supplementation improve angiogenesis and angiogenic cytokines in a rat model of diabetes-induced neuropathy. Exp Physiol 2020; 105:783-792. [PMID: 32053260 DOI: 10.1113/ep088069] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 02/11/2020] [Indexed: 12/15/2022]
Abstract
NEW FINDINGS What is the central question of this study? Do changes in levels of angiogenesis-related mediators [vascular endothelial growth factor-A (VEGF-A), thrombospondin-1 (TSP-1) and nuclear factor-κB (NF-κB)] in the sciatic nerve mediate diabetic neuropathy in the streptozotocin-induced type 1 diabetic male rat? Can exercise and insulin-like growth factor 1 (IGF-I) treatment improve the diabetes-related decrease in angiogenesis in sciatic nerve in these animals? What is the main finding and its importance? Levels of VEGF-A, TSP-1 and NF-κB change in the sciatic nerve of diabetic rats and might mediate diabetic neuropathy. Treatment with IGF-I and exercise could increase angiogenesis in the diabetic rats by increasing VEGF-A and decreasing TSP-1 and NF-κB expression in the sciatic nerve. ABSTRACT Diabetic neuropathy is a severe complication of diabetes that affects 40-50% of diabetic people in the world. The aim of this study was to characterize alterations in angiogenesis and related molecular mediators in the sciatic nerve in diabetic conditions alone or in diabetes in combination with exercise and/or administration of insulin-like growth factor 1 (IGF-I). Forty male Wistar rats were assigned into one of five groups, namely control, diabetes, diabetes + exercise, diabetes + IGF-I and diabetes + exercise + IGF-I. Type 1 diabetes was induced by i.p. injection of streptozotocin (60 mg kg-1 ). After 30 days of treatment with exercise or IGF-I alone or in combination, diabetic neuropathy was evaluated with a hotplate, glycated haemoglobin was measured, angiogenesis was determined by immunostaining for PECAM-1/CD31, and expressions of vascular endothelial growth factor-A (VEGF-A), thrombospondin-1 (TSP-1) and nuclear factor-κB (NF-κB) were determined by enzyme-linked immunosorbent assay.After 4 weeks, the diabetes group showed a significant decrease in capillary density and VEGF-A levels, but a significant increase in glycated haemoglobin in blood, TSP-1 and NF-κB levels in the sciatic nerve compared with the control group, and these effects were ameliorated by exercise and IGF-I. However, simultaneous treatment of diabetic rats with IGF-I and exercise did not have any synergistic effects. These findings indicate that diabetes-induced neuropathy may be associated, in part, with decreased angiogenesis mediated by overproduction of TSP-1 and NF-κB, in addition to reduced production of VEGF-A. The findings also showed that exercise and IGF-I can reduce neuropathy, followed by increased angiogenesis, by changes in TSP-1, NF-κB and VEGF-A production levels.
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Affiliation(s)
- Ehsan Saboory
- Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Urmia, Zanjan, Iran
| | | | - Mahrokh Samadi
- Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Abdolrahman Biabanghard
- Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Leila Chodari
- Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran.,Neurophysiology Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran
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Choudhury H, Pandey M, Lim YQ, Low CY, Lee CT, Marilyn TCL, Loh HS, Lim YP, Lee CF, Bhattamishra SK, Kesharwani P, Gorain B. Silver nanoparticles: Advanced and promising technology in diabetic wound therapy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 112:110925. [PMID: 32409075 DOI: 10.1016/j.msec.2020.110925] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 03/28/2020] [Accepted: 04/01/2020] [Indexed: 12/13/2022]
Abstract
Wounds associated with diabetes mellitus are the most severe co-morbidities, which could be progressed to cause cell necrosis leading to amputation. Statistics on the recent status of the diabetic wounds revealed that the disease affects 15% of diabetic patients, where 20% of them undergo amputation of their limb. Conventional therapies are found to be ineffective due to changes in the molecular architecture of the injured area, urging novel deliveries for effective treatment. Therefore, recent researches are on the development of new and effective wound care materials. Literature is evident in providing potential tools in topical drug delivery for wound healing under the umbrella of nanotechnology, where nano-scaffolds and nanofibers have shown promising results. The nano-sized particles are also known to promote healing of wounds by facilitating proper movement through the healing phases. To date, focuses have been made on the efficacy of silver nanoparticles (AgNPs) in treating the diabetic wound, where these nanoparticles are known to exploit potential biological properties in producing anti-inflammatory and antibacterial activities. AgNPs are also known to activate cellular mechanisms towards the healing of chronic wounds; however, associated toxicities of AgNPs are of great concern. This review is an attempt to illustrate the use of AgNPs in wound healing to facilitate this delivery system in bringing into clinical applications for a superior dressing and treatment over wounds and ulcers in diabetes patients.
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Affiliation(s)
- Hira Choudhury
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, 57000 Kuala Lumpur, Malaysia.
| | - Manisha Pandey
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Yan Qing Lim
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Chea Yee Low
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Cheng Teck Lee
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Tee Cheng Ling Marilyn
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Huai Seang Loh
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Yee Ping Lim
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Cheng Feng Lee
- Bachelor of Pharmacy Student, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Subrat Kumar Bhattamishra
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Bapi Gorain
- School of Pharmacy, Faculty of Health and Medical Science, Taylor's University, Subang Jaya, 47500, Selengor, Malaysia.
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Sun T, Yin L, Kuang H. miR-181a/b-5p regulates human umbilical vein endothelial cell angiogenesis by targeting PDGFRA. Cell Biochem Funct 2019; 38:222-230. [PMID: 31879991 DOI: 10.1002/cbf.3472] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 09/19/2019] [Accepted: 10/28/2019] [Indexed: 12/20/2022]
Abstract
Type 2 diabetes mellitus (T2DM) is a growing burden in low-and middle-income countries. Changing lifestyles and lack of physical activity are some of the reasons contributing to this epidemic increase. Co-morbidities associated with T2DM are largely due to the complications which arise as a consequence of endothelial dysfunction. Platelet derived growth factor-alpha (PDGFRA) is a protein responsible for cell proliferation, angiogenesis, migration and invasion. Increased levels of PDGFRA have been reported in T2DM. This study assessed the epigenetic regulation of PDGFRA through microRNAs (miR-181a/b-5p).Using a bioinformatics-based approach, we assessed the binding of miR-181a/b-5p to PDGFRA. Experimentally, this binding was confirmed using a dual luciferase reporter assay. Further, we overexpressed miR-181a/b-5p in Human umbilical vein endothelial cells (HUVECs) and the influence of over-expression on cell proliferation, migration and angiogenesis was assessed using in-vitro approaches. The influence of miR-181a/b-5p over expression on cellular apoptosis was ascertained using a TUNEL assay with concomitant changes being observed in the levels of Bcl-2 and cleaved Caspase-3.In HUVECs, PDGFRA is a direct target for miR-181a/b-5p. Over expression of miR-181a/b-5p decreased cellular proliferation, migration, invasion, and tube formation-a surrogate marker for angiogenesis. miR-181a/b-5p may be used as a therapeutic intervention to restrict uncontrolled levels of PDGFRA and thereby rescue the phenotypes of increased cell proliferation, migration, invasion and tube formation. miR-181a/b negatively regulates PDGFRA levels. Significance of the study: T2DM and its associated complications emerge from endothelial dysfunction. The associated phenotypes are regulated by a number of proteins, one such member being, PDGFRA. PDGFRA is in turn regulated by miR-181a/b-5p. Complementation with miR-181a/b-5p resulted in reversion of phenotypes. Thus, miR-181a/b-5p-mediated suppression of PDGFRA may be used as a therapeutic intervention in the management of type 2 diabetes.
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Affiliation(s)
- Tingting Sun
- Department of Gerontology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Linan Yin
- Department of Interventional Radiology, Harbin Medical University Cancer hospital, Harbin, China
| | - Hongyu Kuang
- Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
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Baltazar T, Merola J, Catarino C, Xie CB, Kirkiles-Smith NC, Lee V, Hotta S, Dai G, Xu X, Ferreira FC, Saltzman WM, Pober JS, Karande P. Three Dimensional Bioprinting of a Vascularized and Perfusable Skin Graft Using Human Keratinocytes, Fibroblasts, Pericytes, and Endothelial Cells. Tissue Eng Part A 2019; 26:227-238. [PMID: 31672103 DOI: 10.1089/ten.tea.2019.0201] [Citation(s) in RCA: 139] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Multilayered skin substitutes comprising allogeneic cells have been tested for the treatment of nonhealing cutaneous ulcers. However, such nonnative skin grafts fail to permanently engraft because they lack dermal vascular networks important for integration with the host tissue. In this study, we describe the fabrication of an implantable multilayered vascularized bioengineered skin graft using 3D bioprinting. The graft is formed using one bioink containing human foreskin dermal fibroblasts (FBs), human endothelial cells (ECs) derived from cord blood human endothelial colony-forming cells (HECFCs), and human placental pericytes (PCs) suspended in rat tail type I collagen to form a dermis followed by printing with a second bioink containing human foreskin keratinocytes (KCs) to form an epidermis. In vitro, KCs replicate and mature to form a multilayered barrier, while the ECs and PCs self-assemble into interconnected microvascular networks. The PCs in the dermal bioink associate with EC-lined vascular structures and appear to improve KC maturation. When these 3D printed grafts are implanted on the dorsum of immunodeficient mice, the human EC-lined structures inosculate with mouse microvessels arising from the wound bed and become perfused within 4 weeks after implantation. The presence of PCs in the printed dermis enhances the invasion of the graft by host microvessels and the formation of an epidermal rete. Impact Statement Three Dimensional printing can be used to generate multilayered vascularized human skin grafts that can potentially overcome the limitations of graft survival observed in current avascular skin substitutes. Inclusion of human pericytes in the dermal bioink appears to improve both dermal and epidermal maturation.
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Affiliation(s)
- Tânia Baltazar
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut
| | - Jonathan Merola
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Carolina Catarino
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York.,Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York
| | - Catherine B Xie
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut
| | | | - Vivian Lee
- Department of Bioengineering, Northeastern University, Boston, Massachusetts
| | - Stephanie Hotta
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
| | - Guohao Dai
- Department of Bioengineering, Northeastern University, Boston, Massachusetts
| | - Xiaowei Xu
- Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
| | - Frederico C Ferreira
- Department of Bioengineering and Institute of Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - W Mark Saltzman
- Department of Biomedical Engineering, Yale University, New Haven, Connecticut
| | - Jordan S Pober
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut
| | - Pankaj Karande
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York.,Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York
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Hawash M, Jaradat N, Elaraj J, Hamdan A, Lebdeh SA, Halawa T. Evaluation of the hypoglycemic effect of seven wild folkloric edible plants from Palestine. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2019; 17:/j/jcim.ahead-of-print/jcim-2019-0032/jcim-2019-0032.xml. [PMID: 31323003 DOI: 10.1515/jcim-2019-0032] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 03/15/2019] [Indexed: 11/15/2022]
Abstract
Alfa-amylase inhibitors are used to reduce glucose absorption by suppressing carbohydrate digestion. The current study aimed to evaluate seven wild edible Palestinian plants' hydrophilic and lipophilic fractions against porcine pancreatic α-amylase enzyme. The lipophilic fractions of Arum palaestinum, Malva sylvestris, Plantago major, Centaurea iberica, Cichorium endivia, Bituminaria bituminosa, Sisymbrium irio leaves were sequentially separated with a nonpolar solvent hexane, while the hydrophilic fractions of the studied plants were separated with polar solvents ethanol and water. The activity of α-amylase inhibition was carried out by using α-amylase porcine pancreatic enzyme and 3,5-dinitrosalicylic acid (DNSA) method as well as by using Acarbose as a positive control. Among the studied plant's hydrophilic fractions, C. iberica and C. endivia have the highest porcine pancreatic α-amylase inhibitory effect with an IC50 value of 12.33 µg/mL and 9.96 µg/mL, respectively. In addition, among the studied plant's lipophilic fractions, S. irio and A. palaestinum have the highest porcine pancreatic α-amylase inhibitory effect with an IC50 value of 7.72 µg/mL and 25.3 µg/mL, respectively. In fact, these revealed results were near the values of Acarbose. The hydrophilic fractions of M. sylvestris and the lipophilic fractions of P. major plants exhibit remarkable α-amylase inhibitory activity. Hence, these leaves have a potential for use as regular supplements also; further investigations are required to isolate pure pharmacological molecules and to design suitable pharmaceutical dosage forms with anti-diabetic activity.
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Affiliation(s)
- Mohammed Hawash
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Nidal Jaradat
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Josephean Elaraj
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Aseel Hamdan
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Saja Abu Lebdeh
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Tamara Halawa
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
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Screening of Inhibitory Effects of Polyphenols on Akt-Phosphorylation in Endothelial Cells and Determination of Structure-Activity Features. Biomolecules 2019; 9:biom9060219. [PMID: 31195734 PMCID: PMC6627700 DOI: 10.3390/biom9060219] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 06/03/2019] [Accepted: 06/03/2019] [Indexed: 12/21/2022] Open
Abstract
Polyphenols exert beneficial effects in type 2 diabetes mellitus (T2DM). However, their mechanism of action remains largely unknown. Endothelial Akt-kinase plays a key role in the pathogenesis of cardiovascular complications in T2DM and therefore the modulation of its activity is of interest. This work aimed to characterize effects of structurally different polyphenols on Akt-phosphorylation (pAkt) in endothelial cells (Ea.hy926) and to describe structure-activity features. A comprehensive screening via ELISA quantified the effects of 44 polyphenols (10 µM) on pAkt Ser473. The most pronounced inhibitors were luteolin (44 ± 18%), quercetin (36 ± 8%), urolithin A (35 ± 12%), apigenin, fisetin, and resveratrol; (p < 0.01). The results were confirmed by Western blotting and complemented with corresponding experiments in HUVEC cells. A strong positive and statistically significant correlation between the mean inhibitory effects of the tested polyphenols on both Akt-residues Ser473 and Thr308 (r = 0.9478, p = 0.0003) was determined by immunoblotting. Interestingly, the structural characteristics favoring pAkt inhibition partially differed from structural features enhancing the compounds’ antioxidant activity. The present study is the first to quantitatively compare the influence of polyphenols from nine different structural subclasses on pAkt in endothelial cells. These effects might be advantageous in certain T2DM-complications involving over-activation of the Akt-pathway. The suggested molecular mode of action of polyphenols involving Akt-inhibition contributes to understanding their effects on the cellular level.
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Cohen S, Liu Q, Wright M, Garvin J, Rarick K, Harder D. High glucose conditioned neonatal astrocytes results in impaired mitogenic activity in cerebral microvessel endothelial cells in co-culture. Heliyon 2019; 5:e01795. [PMID: 31193586 PMCID: PMC6536426 DOI: 10.1016/j.heliyon.2019.e01795] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 04/22/2019] [Accepted: 05/20/2019] [Indexed: 11/20/2022] Open
Abstract
Angiogenesis is a highly complex and coordinated process in the brain. Under normal conditions, it is a vital process in growth and development, but under adverse conditions such as diabetes mellitus, it can lead to severe pathology. Astrocytes are a key constituent of the neurovascular unit and contribute to cerebral function, not only bridging the gap between metabolic supplies from blood vessels to neurons, but also regulating angiogenesis. Astrocytes affect angiogenesis by secreting angiogenic factors such as vascular endothelial growth factor (VEGF) into its microenvironment and regulating mitogenic activity in cerebral microvessel endothelial cells (CMEC). We hypothesized that astrocytes conditioned in high glucose media would produce and secrete decreased VEGF which would lead to impaired proliferation, migration, and tube formation of CMEC in vitro. Using neonatal rat astrocytes, we used normal glucose (NG, 5.5mM) vs. high glucose (HG, 25mM) feeding media and measured VEGF message and protein levels as well as secreted VEGF. We co-cultured conditioned astrocytes with isolated rat CMEC and measured mitogenic activity of endothelial cells using BrdU assay, scratch recovery assay, and tube formation assay. HG astrocytes produced and secreted decreased VEGF protein and resulted in impaired mitogenic activity when co-cultured with CMEC as demonstrated by decreased BrdU uptake, decreased scratch recovery, and slower tube formation. Our study provides insight into gliovascular adaptations to increased glucose levels resulting in impaired cellular cross-talk between astrocytes and CMEC which could be one explanation for cerebral microangiopathy seen in diabetic conditions.
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Affiliation(s)
- Susan Cohen
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
- Corresponding author.
| | - Qiuli Liu
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | | | - Jodi Garvin
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Kevin Rarick
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - David Harder
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
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Zanjani SB, Chodari L, Bavil FM, Sadeghzadeh P, Shahabi P. Effect of voluntary exercise on intracellular signalling pathways of angiogenesis in the sciatic nerve of type 1 diabetic castrated male rats. Physiol Int 2019; 106:39-47. [DOI: 10.1556/2060.106.2019.08] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Objectives
Impaired angiogenesis in sciatic nerve is a major complication of diabetic neuropathy. Protein kinase B (AKT) and extracellular signal regulated kinase (ERK) signaling pathways play critical roles during capillary-like network formation in the angiogenesis process.
Methods
Twenty-four adult male Wistar rats (weight: 250–300 g) were used in the research. The rats were randomly divided into four groups (n = 6): (1) diabetic (Dia), (2) diabetic + castration (Dia-Cas), (3) diabetic + exercise (Dia-E), and (4) diabetic + castration + exercise (Dia-Cas-E). Type 1 diabetes (T1D) was induced with streptozotocin (50 mg/kg). After 6 weeks, sciatic nerve was separated and used for histological evaluation and determination of phosphorylated AKT (P-AKT) and phosphorylated ERK (P-ERK) levels by ELISA method.
Results
Glucose levels decreased in the Dia-E group compared to the Dia-Cas group (p < 0.01). In addition, our finding shows that exercise in the Dia-Cas group diminished blood glucose levels compared to the Dia-Cas group but this effect of exercise was not significant. Voluntary exercise in the diabetic castrated group decreased P-AKT protein and increased P-ERK 1/2 protein levels in the sciatic tissue compared to the diabetes group significantly (p < 0.05). Histopathological findings showed that Dia-Cas group with 6-week exercise training significantly raised the number of microvascular density in the sciatic tissue of diabetic rats compared to the diabetic group (p < 0.05).
Conclusions
Voluntary exercise in diabetic rats increases angiogenesis in the sciatic nerve. The possible mechanism is the increase of P-ERK 1/2 but not P-AKT levels in the sciatic nerve of T1D rats.
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Affiliation(s)
- SB Zanjani
- 1 Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - L Chodari
- 2 Department of Physiology, Urmia University of Medical Sciences, Urmia, Iran
- 3 Neurophysiology Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - FM Bavil
- 4 Laboratory of Physiology, Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - P Sadeghzadeh
- 4 Laboratory of Physiology, Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - P Shahabi
- 1 Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- 4 Laboratory of Physiology, Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Allaqaband H, Gutterman DD, Kadlec AO. Physiological Consequences of Coronary Arteriolar Dysfunction and Its Influence on Cardiovascular Disease. Physiology (Bethesda) 2019; 33:338-347. [PMID: 30109826 DOI: 10.1152/physiol.00019.2018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
To date, the major focus of diagnostic modalities and interventions to treat coronary artery disease has been the large epicardial vessels. Despite substantial data showing that microcirculatory dysfunction is a strong predictor of future adverse cardiovascular events, very little research has gone into developing techniques for in vivo diagnosis and therapeutic interventions to improve microcirculatory function. In this review, we will discuss the pathophysiology of coronary arteriolar dysfunction, define its prognostic implications, evaluate the diagnostic modalities available, and provide speculation on current and potential therapeutic opportunities.
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Affiliation(s)
- Hassan Allaqaband
- Cardiovascular Center, Medical College of Wisconsin , Milwaukee, Wisconsin
| | - David D Gutterman
- Cardiovascular Center, Medical College of Wisconsin , Milwaukee, Wisconsin.,Department of Physiology, Medical College of Wisconsin , Milwaukee, Wisconsin.,Department of Medicine, Division of Cardiology, Medical College of Wisconsin , Milwaukee, Wisconsin.,Department of Veterans Administration Medical Center, Milwaukee, Wisconsin
| | - Andrew O Kadlec
- Cardiovascular Center, Medical College of Wisconsin , Milwaukee, Wisconsin.,Department of Physiology, Medical College of Wisconsin , Milwaukee, Wisconsin.,Department of Medicine, Division of Cardiology, Medical College of Wisconsin , Milwaukee, Wisconsin
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49
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Bitar MS. Diabetes Impairs Angiogenesis and Induces Endothelial Cell Senescence by Up-Regulating Thrombospondin-CD47-Dependent Signaling. Int J Mol Sci 2019; 20:ijms20030673. [PMID: 30720765 PMCID: PMC6386981 DOI: 10.3390/ijms20030673] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/03/2019] [Accepted: 01/06/2019] [Indexed: 02/07/2023] Open
Abstract
Endothelial dysfunction, impaired angiogenesis and cellular senescence in type 2 diabetes constitute dominant risk factors for chronic non-healing wounds and other cardiovascular disorders. Studying these phenomena in the context of diabetes and the TSP1-CD-47 signaling dictated the use of the in vitro wound endothelial cultured system and an in vivo PVA sponge model of angiogenesis. Herein we report that diabetes impaired the in vivo sponge angiogenic capacity by decreasing cell proliferation, fibrovascular invasion and capillary density. In contrast, a heightened state of oxidative stress and elevated expression of TSP1 and CD47 both at the mRNA and protein levels were evident in this diabetic sponge model of wound healing. An in vitro culturing system involving wound endothelial cells confirmed the increase in ROS generation and the up-regulation of TSP1-CD47 signaling as a function of diabetes. We also provided evidence that diabetic wound endothelial cells (W-ECs) exhibited a characteristic feature that is consistent with cellular senescence. Indeed, enhanced SA-β-gal activity, cell cycle arrest, increased cell cycle inhibitors (CKIs) p53, p21 and p16 and decreased cell cycle promoters including Cyclin D1 and CDK4/6 were all demonstrated in these cells. The functional consequence of this cascade of events was illustrated by a marked reduction in diabetic endothelial cell proliferation, migration and tube formation. A genetic-based strategy in diabetic W-ECs using CD47 siRNA significantly ameliorated in these cells the excessiveness in oxidative stress, attenuation in angiogenic potential and more importantly the inhibition in cell cycle progression and its companion cellular senescence. To this end, the current data provide evidence linking the overexpression of TSP1-CD47 signaling in diabetes to a number of parameters associated with endothelial dysfunction including impaired angiogenesis, cellular senescence and a heightened state of oxidative stress. Moreover, it may also point to TSP1-CD47 as a potential therapeutic target in the treatment of the aforementioned pathologies.
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Affiliation(s)
- Milad S Bitar
- Department of Pharmacology& Toxicology, Faculty of Medicine, Kuwait University, P.O. Box 24923, Safat 13110, Kuwait.
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50
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Budi EH, Mamai O, Hoffman S, Akhurst RJ, Derynck R. Enhanced TGF-β Signaling Contributes to the Insulin-Induced Angiogenic Responses of Endothelial Cells. iScience 2019; 11:474-491. [PMID: 30684493 PMCID: PMC6348203 DOI: 10.1016/j.isci.2018.12.038] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 11/12/2018] [Accepted: 12/28/2018] [Indexed: 12/17/2022] Open
Abstract
Angiogenesis, the development of new blood vessels, is a key process in disease. We reported that insulin promotes translocation of transforming growth factor β (TGF-β) receptors to the plasma membrane of epithelial and fibroblast cells, thus enhancing TGF-β responsiveness. Since insulin promotes angiogenesis, we addressed whether increased autocrine TGF-β signaling participates in endothelial cell responses to insulin. We show that insulin enhances TGF-β responsiveness and autocrine TGF-β signaling in primary human endothelial cells, by inducing a rapid increase in cell surface TGF-β receptor levels. Autocrine TGF-β/Smad signaling contributed substantially to insulin-induced gene expression associated with angiogenesis, including TGF-β target genes encoding angiogenic mediators; was essential for endothelial cell migration; and participated in endothelial cell invasion and network formation. Blocking TGF-β signaling impaired insulin-induced microvessel outgrowth from neonatal aortic rings and modified insulin-stimulated blood vessel formation in zebrafish. We conclude that enhanced autocrine TGF-β signaling is integral to endothelial cell and angiogenic responses to insulin.
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Affiliation(s)
- Erine H Budi
- Department of Cell and Tissue Biology, University of California at San Francisco Broad Center, Room RMB-1027, 35 Medical Center Way, San Francisco, CA 94143-0669, USA; Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Ons Mamai
- Helen Diller Family Comprehensive Cancer Center, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Steven Hoffman
- Department of Cell and Tissue Biology, University of California at San Francisco Broad Center, Room RMB-1027, 35 Medical Center Way, San Francisco, CA 94143-0669, USA; Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Rosemary J Akhurst
- Department of Anatomy, University of California at San Francisco, San Francisco, CA 94143, USA; Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA; Helen Diller Family Comprehensive Cancer Center, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Rik Derynck
- Department of Cell and Tissue Biology, University of California at San Francisco Broad Center, Room RMB-1027, 35 Medical Center Way, San Francisco, CA 94143-0669, USA; Department of Anatomy, University of California at San Francisco, San Francisco, CA 94143, USA; Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California at San Francisco, San Francisco, CA 94143, USA; Helen Diller Family Comprehensive Cancer Center, University of California at San Francisco, San Francisco, CA 94143, USA.
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