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Xue TT, Cha HJ, Liu QK, Yang D, Zhang Z, Jiang JS, Song JK, Wang MX, Shen F, Zheng Q, Kuai L, Ru Y, Li X, Li B. Sirtuin-6 knockout causes exacerbated stalled healing of diabetic ulcers in mice. Biochem Biophys Res Commun 2024; 726:150235. [PMID: 38908345 DOI: 10.1016/j.bbrc.2024.150235] [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: 03/25/2024] [Revised: 05/22/2024] [Accepted: 06/05/2024] [Indexed: 06/24/2024]
Abstract
BACKGROUND Diabetic ulcers (DUs) are characterized by chronic inflammation and delayed re-epithelialization, with a high incidence and weighty economic burden. The primary therapeutic strategies for refractory wounds include surgery, non-invasive wound therapy, and drugs, while the optimum regimen remains controversial. Sirtuin-6 (SIRT6) is a histone deacetylase and a key epigenetic factor that exerts anti-inflammatory and pro-proliferatory effects in wound healing. However, the exact function of SIRT6 in DUs remains unclear. METHODS We generated tamoxifen-inducible SIRT6 knockout mice by crossing SIRT6flox/flox homozygous mice with UBC-creERT2+ transgenic mice. Systemic SIRT6 null mice, under either normal or diabetic conditions, were utilized to assess the effects of SIRT6 in DUs treatment. Gene and protein expressions of SIRT6 and inflammatory cytokines were measured by Western blotting and RT-qPCR. Histopathological examination confirmed the altered re-epithelialization (PCNA), inflammation (NF-κB p50 and F4/80), and angiogenesis (CD31) markers during DUs restoration. RESULTS Knockout of SIRT6 inhibited the healing ability of DUs, presenting attenuated re-epithelialization (PCNA), exacerbated inflammation responses (NF-κB p50, F4/80, Il-1β, Tnf-α, Il-6, Il-10, and Il-4), and hyperplasia vascular (CD31) compared with control mice. CONCLUSIONS SIRT6 could boost impaired wound healing through improving epidermal proliferation, inflammation, and angiogenesis. Our study highlighted the therapeutic potential of the SIRT6 agonist for DUs treatment.
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Affiliation(s)
- Ting-Ting Xue
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Hui-Jung Cha
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Qing-Kai Liu
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Dan Yang
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Zhan Zhang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Jing-Si Jiang
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Jian-Kun Song
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Ming-Xia Wang
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Fang Shen
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Qi Zheng
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Le Kuai
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yi Ru
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China.
| | - Xin Li
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Bin Li
- Shanghai Skin Disease Hospital, Institute of Dermatology, School of Medicine, Tongji University, Shanghai, 200443, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 201203, China.
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Khan A, Zhang Y, Ma N, Shi J, Hou Y. NF-κB role on tumor proliferation, migration, invasion and immune escape. Cancer Gene Ther 2024:10.1038/s41417-024-00811-6. [PMID: 39033218 DOI: 10.1038/s41417-024-00811-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 07/06/2024] [Accepted: 07/11/2024] [Indexed: 07/23/2024]
Abstract
Nuclear factor kappa-B (NF-κB) is a nuclear transcription factor that plays a key factor in promoting inflammation, which can lead to the development of cancer in a long-lasting inflammatory environment. The activation of NF-κB is essential in the initial phases of tumor development and progression, occurring in both pre-malignant cells and cells in the microenvironment such as phagocytes, T cells, and B cells. In addition to stimulating angiogenesis, inhibiting apoptosis, and promoting the growth of tumor cells, NF-κB activation also causes the epithelial-mesenchymal transition, and tumor immune evasion. Therapeutic strategies that focus on immune checkpoint molecules have revolutionized cancer treatment by enabling the immune system to activate immunological responses against tumor cells. This review focused on understanding the NF-κB signaling pathway in the context of cancer.
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Affiliation(s)
- Afrasyab Khan
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, The People's Republic of China
| | - Yao Zhang
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, The People's Republic of China
| | - Ningna Ma
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, The People's Republic of China
| | - Juanjuan Shi
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, The People's Republic of China
| | - Yongzhong Hou
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province, The People's Republic of China.
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Andleeb F, Elsadek MF, Asif M, Al-Numair KS, Chaudhry SR, Saleem M, Yehya AHS. Down-regulation of NF-κB signalling by methanolic extract of Viola odorata (L.) attenuated in vivo inflammatory and angiogenic responses. Inflammopharmacology 2024:10.1007/s10787-024-01505-z. [PMID: 39030451 DOI: 10.1007/s10787-024-01505-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 06/01/2024] [Indexed: 07/21/2024]
Abstract
Intractable inflammation plays a key role in the progression of autoimmune diseases such as rheumatoid arthritis. Oedema and angiogenesis are the hall marks of chronic inflammation. The current study was aimed to investigate the pharmacological effects of the methanolic extract of Viola odorata (Vo.Me) on inflammation induced oedema and angiogenesis, and to identify the active principles and explore the molecular mechanisms thereof. Various models of inflammation were utilized in rats, including carrageenan- and histamine-induced acute oedema, as well as chronic models of Complete Freund's Adjuvant (CFA)-induced arthritis and cotton pellet-induced granuloma. Anti-angiogenic activity was evaluated by CAM assay followed by quantification of phytoconstituents through HPLC. Effect of Vo.Me treatment on the expression of various mediators (PGE-2 and NO) and genes (IL-1β, TNF-α, NF-κB, and COX-2) were explored by qPCR and ELISA assays. HPLC analysis showed the presence of quercetin, chlorogenic acid, gallic acid, benzoic acid, m-coumaric acid, p-coumaric acid, synergic acid, caffeic acid, vanillic acid, sinapic acid, and cinnamic acid in Vo.Me. Significant dose-dependent inhibition of rats' paw oedema was observed in the Vo.Me administered groups (p < 0.05) in both acute and chronic inflammatory models. Moreover, at a dosage of 500 mg/kg, Vo.Me exhibited a comparable anti-inflammatory effect to indomethacin (p > 0.05). Additionally, Vo.Me demonstrated a remarkable anti-granulomatous activity. Histopathological findings demonstrated amelioration of inflammation in animal paws which were treated with Vo.Me and indomethacin. CAM assay also displayed significant inhibitory effect of Vo.Me on the blood vasculature growth. Vo.Me treatment also caused relatively less gastric irritation and hepatic damage as compared to indomethacin. At a molecular level, the down-regulation of NF-κB signalling leading to the decreased activation of pro-inflammatory mediators (such as IL-1β, TNF-α, and COX-2) and their downstream molecules including prostaglandin E-2 (PGE-2) and nitric oxide (NO), is suggested to be responsible for these diverse anti-inflammatory effects. These findings confirmed the promising anti-inflammatory and anti-angiogenic activities of Vo.Me, which warrant bench-to-bedside translational studies to assess its safety and suitability for clinical usage.
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Affiliation(s)
- Farzana Andleeb
- Department of Pharmacology, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, 63100, Punjab, Pakistan
| | - Mohamed Farouk Elsadek
- Department of Biochemistry, College of Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Muhammad Asif
- Department of Pharmacology, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, 63100, Punjab, Pakistan.
| | - Khalid S Al-Numair
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Shafqat Rasul Chaudhry
- II-TECH College of Pharmacy, International Institute of Technology, Culture & Health Sciences (II-TECH), Gujranwala, 52250, Punjab, Pakistan
| | - Mohammad Saleem
- Department of Pharmacology, Punjab University College of Pharmacy, University of the Punjab, Lahore, 54000, Punjab, Pakistan
| | - Ashwaq Hamid Salem Yehya
- Center for Inflammatory Bowel Diseases, Vatche and Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA
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4
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Vujosevic S, Lupidi M, Donati S, Astarita C, Gallinaro V, Pilotto E. Role of inflammation in diabetic macular edema and neovascular age-related macular degeneration. Surv Ophthalmol 2024:S0039-6257(24)00080-8. [PMID: 39029747 DOI: 10.1016/j.survophthal.2024.07.006] [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: 12/07/2023] [Revised: 07/09/2024] [Accepted: 07/15/2024] [Indexed: 07/21/2024]
Abstract
Diabetic macular edema (DME) and neovascular age-related macular degeneration (nAMD) are multifactorial disorders that affect the macula and cause significant vision loss. Although inflammation and neoangiogenesis are hallmarks of DME and nAMD, respectively, they share some biochemical mediators. While inflammation is a trigger for the processes that lead to the development of DME, in nAMD inflammation seems to be the consequence of retinal pigment epithelium and Bruch membrane alterations. These pathophysiologic differences may be the key issue that justifies the difference in treatment strategies. Vascular endothelial growth factor inhibitors have changed the treatment of both diseases, however, many patients with DME fail to achieve the established therapeutic goals. From a clinical perspective, targeting inflammatory pathways with intravitreal corticosteroids has been proven to be effective in patients with DME. On the contrary, the clinical relevance of addressing inflammation in patients with nAMD has not been proven yet. We explore the role and implication of inflammation in the development of nAMD and DME and its therapeutical relevance.
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Affiliation(s)
- Stela Vujosevic
- Department of Biomedical, Surgical and Dental Sciences University of Milan, Milan, Italy; Eye Clinic, IRCCS MultiMedica, Milan, Italy
| | - Marco Lupidi
- Eye Clinic, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy.
| | - Simone Donati
- Department of Medicine and Surgery, University of Insubria of Varese, Varese, Italy
| | - Carlo Astarita
- AbbVie S.r.l., SR 148 Pontina, 04011, Campoverde, LT, Italy
| | | | - Elisabetta Pilotto
- Department of Neuroscience-Ophthalmology, University of Padova, Padova, Italy
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5
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Li YB, Rukhlova M, Zhang D, Nhan J, Sodja C, Bedford E, St-Pierre JP, Jezierski A. Single-Step 3D Bioprinting of Alginate-Collagen Type I Hydrogel Fiber Rings to Promote Angiogenic Network Formation. Tissue Eng Part C Methods 2024; 30:289-306. [PMID: 38946589 DOI: 10.1089/ten.tec.2024.0083] [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] [Indexed: 07/02/2024] Open
Abstract
In the advent of tissue engineering and regenerative medicine, the demand for innovative approaches to biofabricate complex vascular structures is increasing. We describe a single-step 3D bioprinting method leveraging Aspect Biosystems RX1 technology, which integrates the crosslinking step at a flow-focusing junction, to biofabricate immortalized adult rat brain endothelial cell (SV-ARBEC)-encapsulated alginate-collagen type I hydrogel rings. This single-step biofabrication process involves the strategic layer-by-layer assembly of hydrogel rings, encapsulating SV-ARBECs in a spatially controlled manner while optimizing access to media and nutrients. The spatial arrangement of the SV-ARBECs within the rings promotes spontaneous angiogenic network formation and the constrained deposition of cells within the hydrogel matrix facilitates tissue-like organized vascular-like network development. This approach provides a platform that can be adapted to many different endothelial cell types and leveraged to better understand the mechanisms driving angiogenesis and vascular-network formation in 3D bioprinted constructs supporting the development of more complex tissue and disease models for advancing drug discovery, tissue engineering, and regenerative medicine applications.
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Affiliation(s)
- Ying Betty Li
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, Canada
- Department of Systems and Computer Engineering, Faculty of Engineering and Design, Carleton University, Ottawa, Canada
| | - Marina Rukhlova
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, Canada
| | - Dongling Zhang
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, Canada
| | - Jordan Nhan
- Department of Chemical and Biological Engineering, Faculty of Engineering, University of Ottawa, Ottawa, Canada
| | - Caroline Sodja
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, Canada
| | | | - Jean-Philippe St-Pierre
- Department of Chemical and Biological Engineering, Faculty of Engineering, University of Ottawa, Ottawa, Canada
| | - Anna Jezierski
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, Canada
- Department of Chemical and Biological Engineering, Faculty of Engineering, University of Ottawa, Ottawa, Canada
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6
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Wen ZH, Wu ZS, Cheng HJ, Huang SY, Tang SH, Teng WN, Su FW, Chen NF, Sung CS. Intrathecal Fumagillin Alleviates Chronic Neuropathy-Induced Nociceptive Sensitization and Modulates Spinal Astrocyte-Neuronal Glycolytic and Angiogenic Proteins. Mol Neurobiol 2024:10.1007/s12035-024-04254-w. [PMID: 38837104 DOI: 10.1007/s12035-024-04254-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/21/2024] [Indexed: 06/06/2024]
Abstract
Nociceptive sensitization is accompanied by the upregulation of glycolysis in the central nervous system in neuropathic pain. Growing evidence has demonstrated glycolysis and angiogenesis to be related to the inflammatory processes. This study investigated whether fumagillin inhibits neuropathic pain by regulating glycolysis and angiogenesis. Fumagillin was administered through an intrathecal catheter implanted in rats with chronic constriction injury (CCI) of the sciatic nerve. Nociceptive, behavioral, and immunohistochemical analyses were performed to evaluate the effects of the inhibition of spinal glycolysis-related enzymes and angiogenic factors on CCI-induced neuropathic pain. Fumagillin reduced CCI-induced thermal hyperalgesia and mechanical allodynia from postoperative days (POD) 7 to 14. The expression of angiogenic factors, vascular endothelial growth factor (VEGF) and angiopoietin 2 (ANG2), increased in the ipsilateral lumbar spinal cord dorsal horn (SCDH) following CCI. The glycolysis-related enzymes, pyruvate kinase M2 (PKM2) and lactate dehydrogenase A (LDHA) significantly increased in the ipsilateral lumbar SCDH following CCI on POD 7 and 14 compared to those in the control rats. Double immunofluorescence staining indicated that VEGF and PKM2 were predominantly expressed in the astrocytes, whereas ANG2 and LDHA were predominantly expressed in the neurons. Intrathecal infusion of fumagillin significantly reduced the expression of angiogenic factors and glycolytic enzymes upregulated by CCI. The expression of hypoxia-inducible factor-1α (HIF-1α), a crucial transcription factor that regulates angiogenesis and glycolysis, was also upregulated after CCI and inhibited by fumagillin. We concluded that intrathecal fumagillin may reduce the expression of ANG2 and LDHA in neurons and VEGF and PKM2 in the astrocytes of the SCDH, further attenuating spinal angiogenesis in neuropathy-induced nociceptive sensitization. Hence, fumagillin may play a role in the inhibition of peripheral neuropathy-induced neuropathic pain by modulating glycolysis and angiogenesis.
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Affiliation(s)
- Zhi-Hong Wen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 804201, Taiwan
- Institute of Biopharmaceutical Sciences, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Zong-Sheng Wu
- Division of Pain Management, Department of Anesthesiology, Taipei Veterans General Hospital, Taipei, 112201, Taiwan
| | - Hao-Jung Cheng
- Institute of Biopharmaceutical Sciences, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Shi-Ying Huang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Shih-Hsuan Tang
- Division of Pain Management, Department of Anesthesiology, Taipei Veterans General Hospital, Taipei, 112201, Taiwan
| | - Wei-Nung Teng
- Division of Pain Management, Department of Anesthesiology, Taipei Veterans General Hospital, Taipei, 112201, Taiwan
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei, 112304, Taiwan
| | - Fu-Wei Su
- Division of Pain Management, Department of Anesthesiology, Taipei Veterans General Hospital, Taipei, 112201, Taiwan
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei, 112304, Taiwan
| | - Nan-Fu Chen
- Division of Neurosurgery, Department of Surgery, Kaohsiung Armed Forces General Hospital, Kaohsiung, 80284, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, 804201, Taiwan
| | - Chun-Sung Sung
- Division of Pain Management, Department of Anesthesiology, Taipei Veterans General Hospital, Taipei, 112201, Taiwan.
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei, 112304, Taiwan.
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Song W, Yue Y, Zhang Q, Wang X. Copper homeostasis dysregulation in respiratory diseases: a review of current knowledge. Front Physiol 2024; 15:1243629. [PMID: 38883186 PMCID: PMC11176810 DOI: 10.3389/fphys.2024.1243629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 01/22/2024] [Indexed: 06/18/2024] Open
Abstract
Cu is an essential micronutrient for various physiological processes in almost all human cell types. Given the critical role of Cu in a wide range of cellular processes, the local concentrations of Cu and the cellular distribution of Cu transporter proteins in the lung are essential for maintaining a steady-state internal environment. Dysfunctional Cu metabolism or regulatory pathways can lead to an imbalance in Cu homeostasis in the lungs, affecting both acute and chronic pathological processes. Recent studies have identified a new form of Cu-dependent cell death called cuproptosis, which has generated renewed interest in the role of Cu homeostasis in diseases. Cuproptosis differs from other known cell death pathways. This occurs through the direct binding of Cu ions to lipoylated components of the tricarboxylic acid cycle during mitochondrial respiration, leading to the aggregation of lipoylated proteins and the subsequent downregulation of Fe-S cluster proteins, which causes toxic stress to the proteins and ultimately leads to cell death. Here, we discuss the impact of dysregulated Cu homeostasis on the pathogenesis of various respiratory diseases, including asthma, chronic obstructive pulmonary disease, idiopathic interstitial fibrosis, and lung cancer. We also discuss the therapeutic potential of targeting Cu. This study highlights the intricate interplay between copper, cellular processes, and respiratory health. Copper, while essential, must be carefully regulated to maintain the delicate balance between necessity and toxicity in living organisms. This review highlights the need to further investigate the precise mechanisms of copper interactions with infections and immune inflammation in the context of respiratory diseases and explore the potential of therapeutic strategies for copper, cuproptosis, and other related effects.
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Affiliation(s)
- Wei Song
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yuanyi Yue
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qiang Zhang
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xueqing Wang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
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8
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Gao C, Song XD, Chen FH, Wei GL, Guo CY. The protective effect of natural medicines in rheumatoid arthritis via inhibit angiogenesis. Front Pharmacol 2024; 15:1380098. [PMID: 38881875 PMCID: PMC11176484 DOI: 10.3389/fphar.2024.1380098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 05/10/2024] [Indexed: 06/18/2024] Open
Abstract
Rheumatoid arthritis is a chronic immunological disease leading to the progressive bone and joint destruction. Angiogenesis, accompanied by synovial hyperplasia and inflammation underlies joint destruction. Delaying or even blocking synovial angiogenesis has emerged as an important target of RA treatment. Natural medicines has a long history of treating RA, and numerous reports have suggested that natural medicines have a strong inhibitory activity on synovial angiogenesis, thereby improving the progression of RA. Natural medicines could regulate the following signaling pathways: HIF/VEGF/ANG, PI3K/Akt pathway, MAPKs pathway, NF-κB pathway, PPARγ pathway, JAK2/STAT3 pathway, etc., thereby inhibiting angiogenesis. Tripterygium wilfordii Hook. f. (TwHF), sinomenine, and total glucoside of Paeonia lactiflora Pall. Are currently the most representative of all natural products worthy of development and utilization. In this paper, the main factors affecting angiogenesis were discussed and different types of natural medicines that inhibit angiogenesis were systematically summarized. Their specific anti-angiogenesis mechanisms are also reviewed which aiming to provide new perspective and options for the management of RA by targeting angiogenesis.
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Affiliation(s)
- Chang Gao
- Department of Pharmacy, First Affiliated Hospital of Gannan Medical University, Jiangxi, Ganzhou, China
| | - Xiao-Di Song
- Gannan Medical University, Jiangxi, Ganzhou, China
| | - Fang-Hui Chen
- Department of Pharmacy, First Affiliated Hospital of Gannan Medical University, Jiangxi, Ganzhou, China
| | - Gui-Lin Wei
- Department of Pharmacy, First Affiliated Hospital of Gannan Medical University, Jiangxi, Ganzhou, China
| | - Chun-Yu Guo
- Department of Pharmacy, First Affiliated Hospital of Gannan Medical University, Jiangxi, Ganzhou, China
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Pan X, Tan X, McDonald J, Kaminga AC, Chen Y, Dai F, Qiu J, Zhao K, Peng Y. Chemokines in diabetic eye disease. Diabetol Metab Syndr 2024; 16:115. [PMID: 38790059 PMCID: PMC11127334 DOI: 10.1186/s13098-024-01297-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 02/20/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Diabetic eye disease is a common micro-vascular complication of diabetes and a leading cause of decreased vision and blindness in people of working age worldwide.Although previous studies have shown that chemokines system may be a player in pathogenesis of diabetic eye disease, it is unclear which chemokines play the most important role.To date, there is no meta-analysis which has investigated the role of chemokines in diabetic eye disease.We hope this study will contribute to a better understanding of both the signaling pathways of the chemokines in the pathophysiological process, and more reliable therapeutic targets for diabetic eye disease. METHODS Embase, PubMed, Web of Science and Cochrane Library systematically searched for relevant studies from inception to Sep 1, 2023. A random-effect model was used and standardized mean differences (SMDs) and 95% confidence intervals (CIs) were calculated to summarize the associated measure between chemokines concentrations and diabetic eye disease. Network meta-analysis to rank chemokines-effect values according to ranked probabilities. RESULTS A total of 33 different chemokines involving 11,465 subjects (6559 cases and 4906 controls) were included in the meta-analysis. Results of the meta-analysis showed that concentrations of CC and CXC chemokines in the diabetic eye disease patients were significantly higher than those in the controls. Moreover, network meta-analysis showed that the effect of CCL8, CCL2, CXCL8 and CXCL10 were ranked highest in terms of probabilities. Concentrations of CCL8, CCL2, CXCL8 and CXCL10 may be associated with diabetic eye disease, especially in diabetic retinopathy and diabetic macular edema. CONCLUSION Our study suggests that CCL2 and CXCL8 may play key roles in pathogenesis of diabetic eye disease. Future research should explore putative mechanisms underlying these links, with the commitment to develop novel prophylactic and therapeutic for diabetic eye disease.
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Affiliation(s)
- Xiongfeng Pan
- Pediatrics Research Institute of Hunan Province, Hunan Children's Hospital, 86 Ziyuan Rd, Changsha, Hunan, People's Republic of China, 410007.
- The Affiliated Children's Hospital of Xiangya School of Medicine, Central South University, Changsha, China.
| | - Xinrui Tan
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Judy McDonald
- McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Ottawa, ON, Canada
| | | | - Yuyao Chen
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Feizhao Dai
- Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jun Qiu
- Pediatrics Research Institute of Hunan Province, Hunan Children's Hospital, 86 Ziyuan Rd, Changsha, Hunan, People's Republic of China, 410007
| | - Kunyan Zhao
- School of Public Health, University of South China, Hengyang, China
| | - Yunlong Peng
- Department of Epidemiology and Health Statistics, Medical College of Soochow University, Suzhou, China
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North HF, Weissleder C, Bitar M, Barry G, Fullerton JM, Webster MJ, Weickert CS. RNA-sequencing suggests extracellular matrix and vasculature dysregulation could impair neurogenesis in schizophrenia cases with elevated inflammation. SCHIZOPHRENIA (HEIDELBERG, GERMANY) 2024; 10:50. [PMID: 38704390 PMCID: PMC11069512 DOI: 10.1038/s41537-024-00466-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 03/25/2024] [Indexed: 05/06/2024]
Abstract
A subgroup of schizophrenia cases with elevated inflammation have reduced neurogenesis markers and increased macrophage density in the human subependymal zone (SEZ; also termed subventricular zone or SVZ) neurogenic niche. Inflammation can impair neurogenesis; however, it is unclear which other pathways are associated with reduced neurogenesis. This research aimed to discover transcriptomic differences between inflammatory subgroups of schizophrenia in the SEZ. Total RNA sequencing was performed on SEZ tissue from schizophrenia cases, designated into low inflammation (n = 13) and high inflammation (n = 14) subgroups, based on cluster analysis of inflammation marker gene expression. 718 genes were differentially expressed in high compared to low inflammation schizophrenia (FDR p < 0.05) and were most significantly over-represented in the pathway 'Hepatic Fibrosis/Hepatic Stellate-Cell Activation'. Genes in this pathway relate to extracellular matrix stability (including ten collagens) and vascular remodelling suggesting increased angiogenesis. Collagen-IV, a key element of the basement membrane and fractones, had elevated gene expression. Immunohistochemistry revealed novel collagen-IV+ fractone bulbs within the human SEZ hypocellular gap. Considering the extracellular matrix's regulatory role in SEZ neurogenesis, fibrosis-related alterations in high inflammation schizophrenia may disrupt neurogenesis. Increased angiogenesis could facilitate immune cell transmigration, potentially explaining elevated macrophages in high inflammation schizophrenia. This discovery-driven analysis sheds light on how inflammation may contribute to schizophrenia neuropathology in the neurogenic niche.
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Affiliation(s)
- Hayley F North
- Neuroscience Research Australia, Sydney, NSW, Australia
- Discipline of Psychiatry and Mental Health, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia
| | - Christin Weissleder
- Neuroscience Research Australia, Sydney, NSW, Australia
- Mechanism and therapy for genetic brain diseases, Institut Imagine, Paris, France
| | | | - Guy Barry
- OncoLife Therapeutics, Yeronga, QLD, Australia
| | - Janice M Fullerton
- Neuroscience Research Australia, Sydney, NSW, Australia
- School of Biomedical Sciences, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia
| | - Maree J Webster
- Laboratory of Brain Research, Stanley Medical Research Institute, 9800, Medical Center Drive, Rockville, MD, USA
| | - Cynthia Shannon Weickert
- Neuroscience Research Australia, Sydney, NSW, Australia.
- Discipline of Psychiatry and Mental Health, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia.
- Department of Neuroscience and Physiology, Upstate Medical University, Syracuse, NY, USA.
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11
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Lanciego C, Puentes-Gutierrez A, Sánchez-Casado M, Cifuentes-Garcia I, Fernández-Tamayo A, Dominguez-Paillacho D, Ciampi-Dopazo JJ, Marquina-Valero MA. Transarterial Embolization for Adhesive Capsulitis of the Shoulder: Midterm Outcomes on Function and Pain Relief. J Vasc Interv Radiol 2024; 35:550-557. [PMID: 38199458 DOI: 10.1016/j.jvir.2023.12.572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 12/27/2023] [Accepted: 12/30/2023] [Indexed: 01/12/2024] Open
Abstract
PURPOSE To determine the safety and potential effectiveness of transarterial embolization for adhesive capsulitis of the shoulder. MATERIALS AND METHODS This prospective study analyzed consecutive adult patients with adhesive capsulitis referred for embolization between January 2018 and May 2023 after a poor response to treatment (symptoms and limitation of motion in ≥2 axes; ≤120° flexion, ≤50° external rotation and/or internal rotation with the shoulder abducted 90°) persisting for >3 months after having completed ≥6 weeks of analgesics and physical therapy. Different types of pain and mobility were measured before embolization and 1, 3, and 6 months after embolization. Overall upper limb function (Quick Disabilities of Arm, Shoulder, and Hand) and patient satisfaction were measured before and 6 months after embolization. Long-term follow-up comprised telephone interviews and clinical history reviews. RESULTS A total of 20 patients (12 [60%] women; median age, 50.7; interquartile ranges [IQR], 45‒55 years) were included; 6 (30%) had diabetes and 15 (75%) were off work. Median duration of symptoms before embolization was 39.4 weeks (IQR, 28‒49 weeks), and median duration of rehabilitation therapy was 12.8 weeks (IQR, 8‒16 weeks). Six months after embolization, significant improvements were observed in nocturnal pain (P = .003), pain on moving (P = .001), external rotation (P < .001), internal rotation (P < .001), active flexion (P < .001), passive flexion (P = .03), active abduction (P < .001), passive abduction (P < .001), and overall function (P < .001). Despite objective improvements, patient satisfaction was nearly unchanged. Only 1 patient experienced a mild adverse event. CONCLUSION Transarterial embolization is safe and potentially effective in treating adhesive capsulitis of the shoulder refractory to conventional treatment. Clinical improvements were maintained in the mid to long term.
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Affiliation(s)
- Carlos Lanciego
- Interventional Radiology Unit, Radiology Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain.
| | - Ana Puentes-Gutierrez
- Rehabilitation and Physical Medicine Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Marcelino Sánchez-Casado
- Biostatistics Unit, Intensive Care Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Irene Cifuentes-Garcia
- Interventional Radiology Unit, Radiology Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Ana Fernández-Tamayo
- Interventional Radiology Unit, Radiology Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - David Dominguez-Paillacho
- Interventional Radiology Unit, Radiology Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Juan J Ciampi-Dopazo
- Interventional Radiology Unit, Radiology Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Maria A Marquina-Valero
- Rehabilitation and Physical Medicine Department, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
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12
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Thapar M, Patel M, Gordon K. Bimekizumab for the treatment of psoriasis. Immunotherapy 2024; 16:431-446. [PMID: 38506262 DOI: 10.2217/imt-2023-0240] [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] [Indexed: 03/21/2024] Open
Abstract
Psoriasis is a chronic inflammatory skin condition characterized by Th17 T cell-mediated inflammation. An emerging treatment option for psoriasis is bimekizumab, a humanized monoclonal antibody targeting cytokines IL-17A and IL-17F. Phase I trials evaluating bimekizumab reported strong safety, tolerability, and clinical efficacy with most common treatment emergent adverse events being mild to moderate in nature. Phase II trials evaluated dosing intervals, revealing that higher dosages or more frequent administration of bimekizumab resulted in minimal increases in adverse events. Phase III trials and open label extension studies demonstrated a rapid, sustained clinical response when compared with placebo and active comparators. Bimekizumab shows strong efficacy in the treatment of psoriasis and has potential in the treatment of other Th17-mediated pathologies.
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Affiliation(s)
- Molly Thapar
- Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 532261, USA
| | - Milan Patel
- Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 532261, USA
| | - Kenneth Gordon
- Department of Dermatology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
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13
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De Gaetano V, Pallozzi M, Cerrito L, Santopaolo F, Stella L, Gasbarrini A, Ponziani FR. Management of Portal Hypertension in Patients with Hepatocellular Carcinoma on Systemic Treatment: Current Evidence and Future Perspectives. Cancers (Basel) 2024; 16:1388. [PMID: 38611066 PMCID: PMC11011056 DOI: 10.3390/cancers16071388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024] Open
Abstract
The management of CSPH in patients undergoing systemic treatment for HCC has emerged as a critical concern due to the absence of reliable diagnostic criteria and uncertainties surrounding therapeutic approaches. This review aims to underscore the primary pathophysiological aspects linking HCC and PH, while also addressing the current and emerging clinical strategies for the management of portal hypertension. A review of studies from January 2003 to June 2023 was conducted using the PubMed database and employing MeSH terms, such as "hepatocellular carcinoma", "immune checkpoint inhibitors", "systemic therapy", "portal hypertension", "variceal bleeding" and "tyrosine kinase inhibitors". Despite promising results of tyrosine kinase inhibitors in animal models for PH and fibrosis, only Sorafenib has demonstrated similar effects in human studies, whereas Lenvatinib appears to promote PH development. The impact of Atezolizumab/Bevacizumab on PH remains uncertain, with an increasing risk of bleeding related to Bevacizumab in patients with prior variceal hemorrhage. Given the absence of specific guidelines, endoscopic surveillance during treatment is advisable, and primary and secondary prophylaxis of variceal bleeding should adhere to the Baveno VII recommendations. Furthermore, in patients with advanced HCC, refinement of diagnostic criteria for CSPH and guidelines for its surveillance are warranted.
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Affiliation(s)
- Valeria De Gaetano
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario GemelliIstituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (V.D.G.); (M.P.); (L.C.); (F.S.); (L.S.); (F.R.P.)
| | - Maria Pallozzi
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario GemelliIstituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (V.D.G.); (M.P.); (L.C.); (F.S.); (L.S.); (F.R.P.)
| | - Lucia Cerrito
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario GemelliIstituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (V.D.G.); (M.P.); (L.C.); (F.S.); (L.S.); (F.R.P.)
| | - Francesco Santopaolo
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario GemelliIstituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (V.D.G.); (M.P.); (L.C.); (F.S.); (L.S.); (F.R.P.)
| | - Leonardo Stella
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario GemelliIstituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (V.D.G.); (M.P.); (L.C.); (F.S.); (L.S.); (F.R.P.)
| | - Antonio Gasbarrini
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario GemelliIstituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (V.D.G.); (M.P.); (L.C.); (F.S.); (L.S.); (F.R.P.)
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Francesca Romana Ponziani
- Liver Unit, Centro Malattie dell’Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario GemelliIstituto di Ricovero e Cura a Carattere Scientifico, IRCCS, 00168 Rome, Italy; (V.D.G.); (M.P.); (L.C.); (F.S.); (L.S.); (F.R.P.)
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14
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Bolsegui ML, Ghozy S, Kobeissi H, Kadirvel R, Kallmes DF, Thompson SM. Common Design, Data Elements and Core Outcome Measures Reported on Clinical Trials of Genicular Artery Embolization for Knee Osteoarthritis: An Interactive Systematic Review. Acad Radiol 2024; 31:977-993. [PMID: 37722951 DOI: 10.1016/j.acra.2023.08.029] [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: 07/03/2023] [Revised: 08/19/2023] [Accepted: 08/23/2023] [Indexed: 09/20/2023]
Abstract
RATIONALE AND OBJECTIVES Genicular artery embolization (GAE) is an emerging, potentially effective treatment option in patients with knee osteoarthritis (OA). This study aimed to describe the current state of common design data elements (CDDEs) and core outcome measures (COMs) in recent trials of GAE for knee OA. MATERIALS AND METHODS A comprehensive search of seven online databases were searched within the Nested Knowledge AutoLit living review platform, followed by categorization of primary and secondary outcomes. Studies were tagged with the relevant outcomes of interest in each article. Results were synthesized and examined for the CDDEs. RESULTS Pain is the most frequent reported outcome, present in 23 of the 24 studies (95.8%). However, there is considerable variability in the description of in the study designs, procedural techniques, embolic materials, time points, and MRI parameters. Greater consistency is observed in eligibility criteria, and adverse events reporting. Although findings thus far have been favorable, current data is still constrained by the heterogeneity of the study design, embolization area nomenclature, limited follow-up, and in many cases, the absence of control group. CONCLUSION To enhance the potential for future meta-analyses and robust, evidence-based evaluations of GAE as a treatment for knee OA, further research is required to address the identified shortcomings. By establishing more standardized protocols, the efficacy and safety of GAE can be more accurately assessed and understood.
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Affiliation(s)
- Marisabel L Bolsegui
- Department of Vascular and Interventional Radiology, Johns Hopkins Hospital, The Johns Hopkins University, Baltimore, Maryland (M.L.B.)
| | - Sherief Ghozy
- Department of Radiology, Mayo Clinic, Rochester, Minnesota (S.G., H.K., R.K., D.F.K.)
| | - Hassan Kobeissi
- Department of Radiology, Mayo Clinic, Rochester, Minnesota (S.G., H.K., R.K., D.F.K.); College of Medicine, Central Michigan University, Mount Pleasant, MI (H.K.).
| | - Ramanathan Kadirvel
- Department of Radiology, Mayo Clinic, Rochester, Minnesota (S.G., H.K., R.K., D.F.K.); Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota (R.K.)
| | - David F Kallmes
- Department of Radiology, Mayo Clinic, Rochester, Minnesota (S.G., H.K., R.K., D.F.K.)
| | - Scott M Thompson
- Department of Vascular and Interventional Radiology, Mayo Clinic, Rochester, Minnesota (S.M.T.)
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15
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Saito LM, Ortiz RC, Amôr NG, Lopes NM, Buzo RF, Garlet GP, Rodini CO. NK cells and the profile of inflammatory cytokines in the peripheral blood of patients with advanced carcinomas. Cytokine 2024; 174:156455. [PMID: 38043142 DOI: 10.1016/j.cyto.2023.156455] [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: 10/02/2023] [Revised: 11/18/2023] [Accepted: 11/26/2023] [Indexed: 12/05/2023]
Abstract
BACKGROUND Natural killer (NK) cells are one of the most crucial immune cells that mediate the antitumoral response due to their ability to immediately recognize and eliminate transformed cells. Because of their great cytotoxic activity, the function of NK cells must be robustly regulated to avoid tissue damage. Such regulation is mediated by a coordinated engagement of activating (NKp46) and inhibitory (CD158b) receptors, which tumor cells may use to escape from immunosurveillance. Also, NK cells are generally divided based on surface molecules, such as CD16 and CD56, and can be classified as CD56brightCD16- (regulatory) and CD56dimCD16+ (cytotoxic) NK cells. Here, we aimed to evaluate the frequency and phenotype of circulating NK cells in patients with advanced carcinomas, as well as their systemic cytokine/chemokine and growth factors production. METHODS Peripheral blood was collected from 24 patients with advanced solid cancer during or after treatment and from 10 healthy donors. The frequency and the expression of activating (NKp46) and inhibitory (CD158b) molecules of CD56brightCD16- and CD56dimCD16+ NK cells were assessed by flow cytometry and the multiplex Luminex platform was used to quantify the secreted factors in peripheral blood serum. RESULTS Cancer patients had a lower frequency of the cytotoxic CD56dim CD16+ NK cells subset in comparison with healthy controls. Also, the regulatory CD56bright CD16- NKs isolated from cancer patients exhibited a significantly lower expression of NKp46. Among 29 immunological and growth factors analyzed in the peripheral blood of oncologic patients, MCP-1, IP-10, and eotaxin, and VEGF they have presented a higher proportion. The Pearson correlation test showed that IL-12p40 positively correlates with CD56brightCD16- NK cells. We also observed a positive correlation between MCP-1 and the activating marker NKp46, as well as a negative correlation between IP-10 and TNF-α and NKp46. CD158b expression in CD56dimCD16+ was positively correlated with EGF and negatively correlated with MIP-1β. CONCLUSIONS Taken together, these results suggest that cancer patients present a shift towards a poorly cytotoxic and less activated NK profile which may contribute to tumor development and progression. The understanding of NK cell biology and soluble factors during tumor development could aid in the design of possible targeting therapeutic approaches.
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Affiliation(s)
- Luciana Mieli Saito
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.
| | - Rafael Carneiro Ortiz
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil; Post-Graduation Program in Rehabilitation Sciences, Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo (HRAC/USP), São Paulo, Brazil.
| | - Nádia Ghinelli Amôr
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.
| | - Nathália Martins Lopes
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.
| | - Rodrigo Fonseca Buzo
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.
| | - Gustavo Pompermaier Garlet
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.
| | - Camila Oliveira Rodini
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil.
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16
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Zheng C, Chen X, Ke Y, Xu X, Wu C, Jiang L. Constructing models for Crohn's disease diagnosis and prediction of infliximab non-response based on angiogenesis-related genes. Front Immunol 2024; 15:1239496. [PMID: 38343536 PMCID: PMC10853379 DOI: 10.3389/fimmu.2024.1239496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 01/12/2024] [Indexed: 02/15/2024] Open
Abstract
Background Angiogenesis response plays a crucial role in the occurrence and development of Crohn's disease (CD) and may involve the mechanism of infliximab non-response. However, the role of angiogenesis-related genes in Crohn's disease has not been comprehensively studied. This study aimed to explore the expression profiles of angiogenesis-related genes in CD patients and construct models for disease diagnosis and prediction of infliximab non-response. Methods CD-related microarray datasets were collected from the GEO database. Unsupervised consensus clustering analysis was performed based on differentially expressed angiogenesis-related genes to divide CD samples into two distinct clusters. Weighted gene co-expression network analysis (WGCNA) was conducted on the clusters to identify angiogenesis-related module. Based on the differentially expressed genes in the module, machine learning algorithms were employed to further identify hub genes and construct a disease diagnostic model. Subsequently, treatment outcome-related genes were extracted from these hub genes, and a predictive model for infliximab non-response in CD patients was ultimately built. Results Based on angiogenesis-related genes, we identified two distinct CD clusters (C1 and C2). Compared to C1, the metabolic pathways in C2 were significantly upregulated, and there was a higher abundance of cell clusters such as M1 macrophages and plasma cells. Additionally, C2 showed a poorer response to infliximab. Furthermore, a predictive model for infliximab non-response in CD patients was constructed based on the hub genes, and it was successfully validated using an external dataset. Conclusion Comprehensive analysis of angiogenesis-related genes revealed different clusters of CD, which exhibited differential response rates to infliximab. The construction of models provides a reference for disease diagnosis and drug selection, aiding in clinical decision-making.
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Affiliation(s)
- Chenwei Zheng
- School of Clinical Medicine, Fujian Medical University, Fuzhou, Fujian, China
- Department of Gastroscopy, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian, China
| | - Xiangbo Chen
- School of Clinical Medicine, Fujian Medical University, Fuzhou, Fujian, China
- Department of Gastroscopy, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian, China
| | - Yujing Ke
- School of Clinical Medicine, Fujian Medical University, Fuzhou, Fujian, China
- Department of Gastroscopy, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian, China
| | - Xiaolin Xu
- School of Clinical Medicine, Fujian Medical University, Fuzhou, Fujian, China
- Department of Gastroscopy, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian, China
| | - Chao Wu
- School of Clinical Medicine, Fujian Medical University, Fuzhou, Fujian, China
- Department of Gastroscopy, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian, China
| | - Lingling Jiang
- School of Clinical Medicine, Fujian Medical University, Fuzhou, Fujian, China
- Department of Gastroscopy, Fujian Medical University Affiliated First Quanzhou Hospital, Quanzhou, Fujian, China
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17
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Tang X, Cui K, Wu P, Hu A, Fan M, Lu X, Yang F, Lin J, Yu S, Xu Y, Liang X. Acrizanib as a Novel Therapeutic Agent for Fundus Neovascularization via Inhibitory Phosphorylation of VEGFR2. Transl Vis Sci Technol 2024; 13:1. [PMID: 38165719 PMCID: PMC10768700 DOI: 10.1167/tvst.13.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 11/14/2023] [Indexed: 01/04/2024] Open
Abstract
Purpose The present study aimed to evaluate the effect of acrizanib, a small molecule inhibitor targeting vascular endothelial growth factor receptor 2 (VEGFR2), on physiological angiogenesis and pathological neovascularization in the eye and to explore the underlying molecular mechanisms. Methods We investigated the potential role of acrizanib in physiological angiogenesis using C57BL/6J newborn mice, and pathological angiogenesis using the mouse oxygen-induced retinopathy (OIR) and laser-induced choroidal neovascularization (CNV) models. Moreover, vascular endothelial growth factor (VEGF)-treated human umbilical vein endothelial cells (HUVECs) were used as an in vitro model for studying the molecular mechanism underlying acrizanib's antiangiogenic effects. Results The intravitreal injection of acrizanib did not show a considerable impact on physiological angiogenesis and retinal thickness, indicating a potentially favorable safety profile. In the mouse models of OIR and CNV, acrizanib showed promising results in reducing pathological neovascularization, inflammation, and vascular leakage, indicating its potential efficacy against pathological angiogenesis. Consistent with in vivo results, acrizanib blunted angiogenic events in VEGF-treated HUVECs such as proliferation, migration, and tube formation. Furthermore, acrizanib inhibited the multisite phosphorylation of VEGFR2 to varying degrees and the activation of its downstream signal pathways in VEGF-treated HUVECs. Conclusions This study suggested the potential efficacy and safety of acrizanib in suppressing fundus neovascularization. Acrizanib functioned through inhibiting multiple phosphorylation sites of VEGFR2 in endothelial cells to different degrees. Translational Relevance These results indicated that acrizanib might hold promise as a potential candidate for the treatment of ocular vascular diseases.
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Affiliation(s)
- Xiaoyu Tang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Kaixuan Cui
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Peiqi Wu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Andina Hu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Matthew Fan
- Yale College, Yale University, New Haven, Connecticut, USA
| | - Xi Lu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Fengmei Yang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Jicheng Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Shanshan Yu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Yue Xu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Xiaoling Liang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
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18
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Rakic M, Canullo L, Radovanovic S, Tatic Z, Radunovic M, Souedain A, Weiss P, Struillou X, Vojvodic D. Diagnostic value of VEGF in peri-implantitis and its correlation with titanium particles: A controlled clinical study. Dent Mater 2024; 40:28-36. [PMID: 37865576 DOI: 10.1016/j.dental.2023.10.003] [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: 05/19/2023] [Revised: 08/29/2023] [Accepted: 10/05/2023] [Indexed: 10/23/2023]
Abstract
OBJECTIVES VEGF is prototypic marker of neovascularization, repeatedly proposed as intrinsic characteristic of peri-implantitis. This study aimed to assess pattern of VEGF in peri-implantitis, its correlation with titanium particles (TPs) and capacity as respective biomarker. MATERIAL AND METHODS Pathological specificity of VEGF was assessed in peri-implant granulations using immunohistochemistry, periodontal granulations represented Ti-free positive controls. VEGF was correlated to TPs, identified using scanning electron microscopy coupled with dispersive x-ray spectrometry. Diagnostic accuracy, sensitivity and specificity of VEGF were estimated in PICF specimens from peri-implantitis, peri-implant mucositis (PIM) and healthy peri-implant tissues (HI) using machine learning algorithms. RESULTS Peri-implantitis exhibited rich neovascular network with expressed density in contact zones toward neutrophil infiltrates without specific pattern variations around TPs, identified in all peri-implantitis specimens (mean particle size 8.9 ± 24.8 µm2; Ti-mass (%) 0.380 ± 0.163). VEGF was significantly more expressed in peri-implantitis (47,065 ± 24.2) compared to periodontitis (31,14 ± 9.15), and positively correlated with its soluble concentrations in PICF (p = 0.01). VEGF was positively correlated to all clinical endpoints and significantly increased in peri-implantitis compared to both PIM and HI, but despite high specificity (96%), its overall diagnostic capacity was average. Two patient clusters were identified in peri-implantitis, one with 8-fold higher VEGF values compared to HI, and second with lower values comparable to PIM. SIGNIFICANCE VEGF accurately reflects neovascularization in peri-implantitis that was expressed in contact zones toward implant surface without specific histopathological patter variation around TPs. VEGF answered requests for biomarker of peri-implantitis but further research is necessary to decrypt its exact underlying cause.
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Affiliation(s)
- Mia Rakic
- ETEP (Etiology and Therapy of Periodontal Diseases) Research Group, University Complutense of Madrid, Madrid, Spain.
| | - Luigi Canullo
- Department of Surgical Sciences (DISC), University of Genoa, Genova, Italy; Department of Periodontology, University of Bern, Switzerland
| | - Sandro Radovanovic
- Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia; Department for Oral Implantology, Military Medical Academy, Belgrade, Serbia
| | - Zoran Tatic
- Department for Oral Implantology, Military Medical Academy, Belgrade, Serbia
| | - Milena Radunovic
- Department of Oral Microbiology, Faculty of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Assem Souedain
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes, Department of Periodontology, Faculty of Dental Surgery, France
| | - Pierre Weiss
- Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes, France
| | - Xavier Struillou
- Department of Periodontology, Faculty of Dental Surgery, University of Nantes, France; Inserm, UMR 1229, RMeS, Regenerative Medicine and Skeleton, University of Nantes, France
| | - Danilo Vojvodic
- Institute for Experimental Medicine, Military Medical Academy, Belgrade, Serbia
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Straudi S, Antonioni A, Baroni A, Bonsangue V, Lavezzi S, Koch G, Tisato V, Ziliotto N, Basaglia N, Secchiero P, Manfredini F, Lamberti N. Anti-Inflammatory and Cortical Responses after Transcranial Direct Current Stimulation in Disorders of Consciousness: An Exploratory Study. J Clin Med 2023; 13:108. [PMID: 38202115 PMCID: PMC10779892 DOI: 10.3390/jcm13010108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/06/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Disorders of consciousness (DoC) due to severe traumatic brain injury (TBI) are associated with severe disability and an alteration of cortical activation, angiogenesis, and inflammation, which are crucial elements for behavioural recovery. This exploratory study aimed to evaluate anti-inflammatory and cortical responses after transcranial direct current stimulation (tDCS) in traumatic prolonged disorders of consciousness. Ten minimally conscious state (MCS) patients underwent ten sessions of anodal tDCS (five sessions/week, two weeks, 40 min/session) on the primary motor cortex bilaterally. Clinical evaluations were performed using the Coma Recovery Scale-Revised (CRS-R) pre- and post-treatment. In contrast, after single and multiple tDCS sessions, the haemodynamic cortical response was obtained with functional near-infrared spectroscopy (fNIRS). Moreover, angiogenesis (angiopoietin-2, BMP9, endoglin, HbEFG, HGF, IL8, Leptin, PLGF, VEGF-A, and VEGF-C) and inflammation (GM-CSF, IFNg, IP10, MCP1, and TNFα) circulating biomarkers were collected. A significant haemodynamic response was observed after a single tDCS session, with an increased activation from 4.4 (3.1-6.1) to 7.6 (2.9-15.7) a.u. (p = 0.035). After ten tDCS sessions, a significant reduction of angiopoietin-2, VEGF-C, and IP-10 was detected. Moreover, a correlation between behavioural (CRS-R), TNFα (r = 0.89; p = 0.007), and IP10 (r = 0.81; p = 0.014) variation was found. In conclusion, a single tDCS session can increase the cortical activation in MCS patients. Moreover, multiple tDCS sessions showed an anti-inflammatory effect related to behavioural improvement.
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Affiliation(s)
- Sofia Straudi
- Department of Neuroscience and Rehabilitation, Ferrara University, 44121 Ferrara, Italy; (S.S.); (A.A.); (A.B.); (G.K.); (N.B.)
- Department of Neuroscience, Ferrara University Hospital, 44124 Ferrara, Italy; (V.B.); (S.L.)
| | - Annibale Antonioni
- Department of Neuroscience and Rehabilitation, Ferrara University, 44121 Ferrara, Italy; (S.S.); (A.A.); (A.B.); (G.K.); (N.B.)
- Doctoral Program in Translational Neurosciences and Neurotechnologies, Ferrara University, 44121 Ferrara, Italy
| | - Andrea Baroni
- Department of Neuroscience and Rehabilitation, Ferrara University, 44121 Ferrara, Italy; (S.S.); (A.A.); (A.B.); (G.K.); (N.B.)
- Department of Neuroscience, Ferrara University Hospital, 44124 Ferrara, Italy; (V.B.); (S.L.)
| | - Valentina Bonsangue
- Department of Neuroscience, Ferrara University Hospital, 44124 Ferrara, Italy; (V.B.); (S.L.)
| | - Susanna Lavezzi
- Department of Neuroscience, Ferrara University Hospital, 44124 Ferrara, Italy; (V.B.); (S.L.)
| | - Giacomo Koch
- Department of Neuroscience and Rehabilitation, Ferrara University, 44121 Ferrara, Italy; (S.S.); (A.A.); (A.B.); (G.K.); (N.B.)
| | - Veronica Tisato
- Department of Translational Medicine, Ferrara University, 44121 Ferrara, Italy
| | - Nicole Ziliotto
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy;
| | - Nino Basaglia
- Department of Neuroscience and Rehabilitation, Ferrara University, 44121 Ferrara, Italy; (S.S.); (A.A.); (A.B.); (G.K.); (N.B.)
- Department of Neuroscience, Ferrara University Hospital, 44124 Ferrara, Italy; (V.B.); (S.L.)
| | - Paola Secchiero
- Department of Translational Medicine, Ferrara University, 44121 Ferrara, Italy
| | - Fabio Manfredini
- Department of Neuroscience and Rehabilitation, Ferrara University, 44121 Ferrara, Italy; (S.S.); (A.A.); (A.B.); (G.K.); (N.B.)
- Department of Neuroscience, Ferrara University Hospital, 44124 Ferrara, Italy; (V.B.); (S.L.)
| | - Nicola Lamberti
- Department of Neuroscience and Rehabilitation, Ferrara University, 44121 Ferrara, Italy; (S.S.); (A.A.); (A.B.); (G.K.); (N.B.)
- Department of Neuroscience, Ferrara University Hospital, 44124 Ferrara, Italy; (V.B.); (S.L.)
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Zhang J, Wang J, Li Y, Pan X, Qu J, Zhang J. A patent perspective of antiangiogenic agents. Expert Opin Ther Pat 2023; 33:821-840. [PMID: 38084667 DOI: 10.1080/13543776.2023.2294808] [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: 10/26/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
INTRODUCTION Angiogenesis plays a crucial role in the development of numerous vascular structures and is involved in a variety of physiologic and pathologic processes, including psoriasis, diabetic retinopathy, and especially cancer. By obstructing the process of angiogenesis, these therapies effectively inhibit the progression of the disease. Consequently, anti-angiogenic agents were subsequently developed. AREAS COVERED This review provides a comprehensive summary of the anti-angiogenic inhibitors developed in the past five years in terms of chemical structure, biochemical/pharmacological activity and potential clinical applications. A literature search was conducted using utilizing the databases Web of Science, SciFinder and PubMed with the key word 'anti-angiogenic agents' and 'angiogenesis inhibitor.' EXPERT OPINION This is despite the fact that the concept of antiangiogenesis has been proposed for more than 50 years and angiogenesis inhibitors are extensively employed in clinical practice. However, significant challenges continue to confront them. In recent years, there has been a significant increase in the number of patents focusing on angiogenesis inhibitors. These patents aim to enhance the selectivity of drugs against VEGF/VEGFR, explore new targets to overcome drug resistance, and explore potential drug combinations, thereby expanding the therapeutic possibilities in this field.
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Affiliation(s)
- Junyu Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Jin Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Yanchen Li
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Xiaoyan Pan
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Jingkun Qu
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jie Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, China
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21
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Min J, Park SW, Hwang JH, Lee JK, Lee DW, Kwon YW, Shin KC. Evaluating the Safety and Effectiveness of Quick-Soluble Gelatin Sponge Particles for Genicular Artery Embolization for Chronic Knee Pain Associated with Osteoarthritis. J Vasc Interv Radiol 2023; 34:1868-1874. [PMID: 37473861 DOI: 10.1016/j.jvir.2023.07.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 06/19/2023] [Accepted: 07/10/2023] [Indexed: 07/22/2023] Open
Abstract
PURPOSE To evaluate the effectiveness and safety of genicular artery embolization (GAE) using quick-soluble gelatin sponge particles (QS-GSPs) to alleviate chronic knee pain associated with osteoarthritis. MATERIALS AND METHODS This retrospective study included 71 patients (97 procedures, including 26 patients for both knees) who underwent GAE to treat osteoarthritic knee pain between August 2019 and January 2022. QS-GSPs were used for all the procedures. Technical success was defined as the embolization of at least 1 feeding artery. Clinical outcomes were evaluated using a 10-point visual analog scale (VAS). Clinical success was defined as a decrease in the VAS score of >50%. RESULTS The technical success rate was 100% (97 of 97). The mean VAS scores at baseline, immediately after TAE, and at 1 day, 1 week, 1 month, 3 months, and 6 months after TAE were 6.3, 4.3, 5.0, 3.0, 2.9, 2.9, and 2.8, respectively. The clinical success rate was 72% (70 of 97 patients) at 6 months. No major adverse events were reported, and temporary skin color change (50.5%, 49 of 97) and hematoma at the puncture site (10.3%, 10 of 97) were observed. CONCLUSIONS GAE using QS-GSPs had a high technical success rate and was considered safe. Clinical outcomes using QS-GSPs were comparable with those of existing materials.
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Affiliation(s)
- Jeeyoung Min
- Department of Radiology, Konkuk University Medical Center, Seoul, Republic of Korea
| | - Sang Woo Park
- Department of Radiology, Konkuk University Medical Center, Seoul, Republic of Korea.
| | - Jin Ho Hwang
- Department of Radiology, Konkuk University Medical Center, Seoul, Republic of Korea
| | - Joon Kyu Lee
- Department of Orthopaedic Surgery, Konkuk University Medical Center, Seoul, Republic of Korea
| | - Dhong Won Lee
- Department of Orthopaedic Surgery, Konkuk University Medical Center, Seoul, Republic of Korea
| | - Yong Wonn Kwon
- Department of Interventional Radiology, Cheil Orthopedic Hospital, Seoul, Republic of Korea
| | - Kyu Cheol Shin
- Department of Interventional Radiology, Cheil Orthopedic Hospital, Seoul, Republic of Korea
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22
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Keerthika R, Kamboj M, Girdhar A, Narwal A, Devi A, Anand R, Juneja M. An exotic pathogenetic mechanism of angiogenesis in oral lichen planus-A systematic review. J Oral Pathol Med 2023; 52:803-810. [PMID: 37553286 DOI: 10.1111/jop.13472] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 05/09/2023] [Accepted: 07/18/2023] [Indexed: 08/10/2023]
Abstract
OBJECTIVE Angiogenesis plays a vital role at the molecular level in various inflammatory lesions, that lead to their chronicity. Oral lichen planus is an immune-mediated chronic inflammatory disorder. The angiogenetic role and exact mechanisms in oral lichen planus are still unclear due to a dearth of studies. Its clinical significance with angiogenesis also requires further elucidation necessitating a thorough review of the studies that have been conducted so far. The present review was designed to identify the dependence of oral lichen planus progression on angiogenesis which could aid in devising metronomic treatments required to halt the progression of this disease. MATERIALS AND METHODS A thorough search was made using MEDLINE by PubMed, Scopus, Google scholar, Cochrane library, and EMBASE databases. Original research articles, that immunohistochemically evaluated angiogenesis in oral lichen planus were included for review. Risk of bias was analysed for each study using Modified Newcastle-Ottawa scale and Review Manager 5.4 was used to output its result. RESULTS Twenty-nine published articles were included for data synthesis. The most commonly employed antibody was CD34, however, upregulated VEGF expression was the principal while ICAM-1, VCAM-1, and PECAM-1 were critical angiogenic factors to mediate angiogenesis in oral lichen planus. CONCLUSION The current evidence supports that angiogenesis, a fundamental pathogenetic mechanism of oral lichen planus, leads to its persistence and chronicity. However, studies with a larger sample size, standard evaluation criteria, different subtypes, and adequate follow-up are warranted.
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Affiliation(s)
- R Keerthika
- Department of Oral and Maxillofacial Pathology and Microbiology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak, Haryana, India
| | - Mala Kamboj
- Department of Oral and Maxillofacial Pathology and Microbiology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak, Haryana, India
| | - Akhil Girdhar
- Department of Oral and Maxillofacial Pathology and Microbiology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak, Haryana, India
| | - Anjali Narwal
- Department of Oral and Maxillofacial Pathology and Microbiology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak, Haryana, India
| | - Anju Devi
- Department of Oral and Maxillofacial Pathology and Microbiology, Post Graduate Institute of Dental Sciences, Pandit Bhagwat Dayal Sharma University of Health Sciences, Rohtak, Haryana, India
| | - Rahul Anand
- Department of Oral and Maxillofacial Pathology, Dr D Y Patil Dental College and Hospital, Dr D Y Patil Vidyapeeth, Pimpri, Pune, India
| | - Manish Juneja
- Oral and Maxillofacial Pathologist, Franklin, Massachusetts, USA
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23
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Aly M, Fashina C, Hagiga A, Hafez A, Di Mascio L. Transcatheter arterial embolisation for the relief of shoulder and elbow chronic joint pain refractory to conventional treatment: Systematic review. J Med Imaging Radiat Oncol 2023; 67:756-768. [PMID: 37814448 DOI: 10.1111/1754-9485.13590] [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: 05/24/2023] [Accepted: 09/21/2023] [Indexed: 10/11/2023]
Abstract
Angiogenesis and accompanying nerve fibres might cause unsettling joint pain. Studies have suggested that transcatheter arterial embolisation (TAE) of these abnormal neovessels could relieve pain and symptoms in patients with upper limb joint pain refractory to conventional treatment. This study aims to investigate the efficacy and safety of TAE in treating chronic pain of shoulder and elbow joints that have been resistant to other treatments. Using six databases, a systematic review was performed following Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. The primary outcome involved changes in the visual analogue scale (VAS) after TAE; while secondary outcomes involved comparing other parameters where relevant. Average VAS decreased from baseline, then at 1 day, 1 week, 1 month, 3 months, 4 months, 6 months, 1 year, 2 years and 44 months (7.5 at baseline vs. 4.7, 4.3, 3.4, 2.1, 2.5, 1.2, 0.7, 1.1 and 0.1, respectively). Average Quick-DASH scores decreased from baseline, then at 1, 3 and 6 months (61.3 at baseline vs. 30.6, 19.3 and 6.9, respectively). Minor adverse events were reported in 27/143 (18.9%) patients, where they resolved spontaneously or with oral analgesia. TAE is a possible treatment option for refractory shoulder and elbow joint pain; however, randomised controlled trials are still required.
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Affiliation(s)
| | | | - Ahmed Hagiga
- Queen Victoria Hospital NHS Foundation Trust, East Grinstead, UK
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24
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Pohl L, Schiessl IM. Endothelial cell plasticity in kidney fibrosis and disease. Acta Physiol (Oxf) 2023; 239:e14038. [PMID: 37661749 DOI: 10.1111/apha.14038] [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: 02/21/2023] [Revised: 07/29/2023] [Accepted: 08/11/2023] [Indexed: 09/05/2023]
Abstract
Renal endothelial cells demonstrate an impressive remodeling potential during angiogenic sprouting, vessel repair or while transitioning into mesenchymal cells. These different processes may play important roles in both renal disease progression or regeneration while underlying signaling pathways of different endothelial cell plasticity routes partly overlap. Angiogenesis contributes to wound healing after kidney injury and pharmaceutical modulation of angiogenesis may home a great therapeutic potential. Yet, it is not clear whether any differentiated endothelial cell can proliferate or whether regenerative processes are largely controlled by resident or circulating endothelial progenitor cells. In the glomerular compartment for example, a distinct endothelial progenitor cell population may remodel the glomerular endothelium after injury. Endothelial-to-mesenchymal transition (EndoMT) in the kidney is vastly documented and often associated with endothelial dysfunction, fibrosis, and kidney disease progression. Especially the role of EndoMT in renal fibrosis is controversial. Studies on EndoMT in vivo determined possible conclusions on the pathophysiological role of EndoMT in the kidney, but whether endothelial cells really contribute to kidney fibrosis and if not what other cellular and functional outcomes derive from EndoMT in kidney disease is unclear. Sequencing data, however, suggest no participation of endothelial cells in extracellular matrix deposition. Thus, more in-depth classification of cellular markers and the fate of EndoMT cells in the kidney is needed. In this review, we describe different signaling pathways of endothelial plasticity, outline methodological approaches and evidence for functional and structural implications of angiogenesis and EndoMT in the kidney, and eventually discuss controversial aspects in the literature.
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Affiliation(s)
- Layla Pohl
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
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25
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Braithwaite S, Qamhawi Z, Briggs J, Little MW. Transcatheter embolisation in chronic musculoskeletal disorders. Br J Radiol 2023; 96:20220728. [PMID: 37335189 PMCID: PMC10461266 DOI: 10.1259/bjr.20220728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 06/21/2023] Open
Abstract
Chronic musculoskeletal conditions affect millions of patients worldwide resulting in disability, reduced quality of life, and have a profound economic impact on the individual and society. Current treatment strategies fail patients who have not responded to conservative management but are not surgical candidates. Over the last decade, transcatheter embolisation has emerged as a potential treatment for these difficult to treat patients. By exploiting pathological neovascularisation within conditions such as knee osteoarthritis, adhesive capsulitis, and tendinopathy, embolisation has been used to improve patients' pain and function. This review explores the rationale for musculoskeletal transcatheter embolisation, illustrating the technique, and latest evidence for the most common procedures.
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Affiliation(s)
- Simon Braithwaite
- University Department of Radiology, Royal Berkshire Hospital, Reading, United Kingdom
| | - Zahi Qamhawi
- University Department of Radiology, Royal Berkshire Hospital, Reading, United Kingdom
| | - James Briggs
- University Department of Radiology, Royal Berkshire Hospital, Reading, United Kingdom
| | - Mark W Little
- University Department of Radiology, Royal Berkshire Hospital, Reading, United Kingdom
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Joshi NP, Madiwale SD, Sundrani DP, Joshi SR. Fatty acids, inflammation and angiogenesis in women with gestational diabetes mellitus. Biochimie 2023; 212:31-40. [PMID: 37059350 DOI: 10.1016/j.biochi.2023.04.005] [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: 11/14/2022] [Revised: 03/01/2023] [Accepted: 04/11/2023] [Indexed: 04/16/2023]
Abstract
Gestational diabetes mellitus (GDM) is a metabolic disorder in pregnancy whose prevalence is on the rise. Reports suggest a likely association between inflammation and maternal GDM. A balance between pro and anti-inflammatory cytokines is necessary for the regulation of maternal inflammation system throughout pregnancy. Along with various inflammatory markers, fatty acids also act as pro-inflammatory molecules. However, studies reporting the role of inflammatory markers in GDM are contradictory, suggesting the need of more studies to better understand the role of inflammation in pregnancies complicated by GDM. Inflammatory response can be regulated by angiopoietins suggesting a link between inflammation and angiogenesis. Placental angiogenesis is a normal physiological process which is tightly regulated during pregnancy. Various pro and anti-angiogenic factors influence the regulation of the feto-placental vascular development. Studies evaluating the levels of angiogenic markers in women with GDM are limited and the findings are inconsistent. This review summarizes the available literature on fatty acids, inflammatory markers and angiogenesis in women with GDM. We also discuss the possible link between them and their influence on placental development in GDM.
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Affiliation(s)
- Nikita P Joshi
- Mother and Child Health, Interactive Research School for Health Affairs, Bharati Vidyapeeth University, Pune, India
| | - Shweta D Madiwale
- Mother and Child Health, Interactive Research School for Health Affairs, Bharati Vidyapeeth University, Pune, India
| | - Deepali P Sundrani
- Mother and Child Health, Interactive Research School for Health Affairs, Bharati Vidyapeeth University, Pune, India
| | - Sadhana R Joshi
- Mother and Child Health, Interactive Research School for Health Affairs, Bharati Vidyapeeth University, Pune, India.
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Niu X, Li X, Feng Z, Han Q, Li J, Liu Y, Zhang K. EDIL3 and VEGF Synergistically Affect Angiogenesis in Endothelial Cells. Clin Cosmet Investig Dermatol 2023; 16:1269-1277. [PMID: 37223216 PMCID: PMC10202143 DOI: 10.2147/ccid.s411253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/12/2023] [Indexed: 05/25/2023]
Abstract
Background Angiogenesis is one of the histologically predominant characteristics of psoriasis. Vascular endothelial growth factor (VEGF) and epidermal growth factor-like repeats and discoidin I-like domains 3 (EDIL3) have critical effects on angiogenesis. Both these proteins are vital proangiogenic factors in tumor occurrence and progression; however, the relationship between EDIL3 and VEGF with psoriasis remains unclear. Objective We aimed to elucidate the role of EDIL3 and VEGF and the involved mechanisms in psoriasis-associated angiogenesis. Methods EDIL3 and VEGF expression in cutaneous tissue was determined by immunohistochemical assay. The effects of EDIL3 on VEGF, VEGFR2, and the growth, migration, and tube formation of human umbilical vein endothelial cells (HUVECs) were analyzed by Western blotting assay, cell counting kit-8 assay, Transwell assay, and Matrigel tube formation assay. Results EDIL3 and VEGF levels in psoriatic lesions significantly increased as compared to those in normal individuals and showed a positive relationship with the Psoriasis Area and Severity Index. The downregulation of EDIL3 decreased VEGF and VEGFR2 expression in HUVECs. Moreover, the decreased expression of EDIL3 and VEGF reduced the growth, invasion, and tube formation abilities of HUVECs, while EDIL3 resistance to VEGF and VEGFR2 was restored by using the EDIL3 recombinant protein. Conclusion These results suggest that psoriasis is also characterized by EDIL3 and VEGF-mediated angiogenesis. Thus, EDIL3 and VEGF could serve as novel targets for treating psoriasis.
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Affiliation(s)
- Xuping Niu
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Xinhua Li
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Zhipeng Feng
- Department of Gastroenterology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Qixin Han
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Juan Li
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Yanmin Liu
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Kaiming Zhang
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
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Liu ZL, Chen HH, Zheng LL, Sun LP, Shi L. Angiogenic signaling pathways and anti-angiogenic therapy for cancer. Signal Transduct Target Ther 2023; 8:198. [PMID: 37169756 PMCID: PMC10175505 DOI: 10.1038/s41392-023-01460-1] [Citation(s) in RCA: 115] [Impact Index Per Article: 115.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 03/20/2023] [Accepted: 04/20/2023] [Indexed: 05/13/2023] Open
Abstract
Angiogenesis, the formation of new blood vessels, is a complex and dynamic process regulated by various pro- and anti-angiogenic molecules, which plays a crucial role in tumor growth, invasion, and metastasis. With the advances in molecular and cellular biology, various biomolecules such as growth factors, chemokines, and adhesion factors involved in tumor angiogenesis has gradually been elucidated. Targeted therapeutic research based on these molecules has driven anti-angiogenic treatment to become a promising strategy in anti-tumor therapy. The most widely used anti-angiogenic agents include monoclonal antibodies and tyrosine kinase inhibitors (TKIs) targeting vascular endothelial growth factor (VEGF) pathway. However, the clinical benefit of this modality has still been limited due to several defects such as adverse events, acquired drug resistance, tumor recurrence, and lack of validated biomarkers, which impel further research on mechanisms of tumor angiogenesis, the development of multiple drugs and the combination therapy to figure out how to improve the therapeutic efficacy. Here, we broadly summarize various signaling pathways in tumor angiogenesis and discuss the development and current challenges of anti-angiogenic therapy. We also propose several new promising approaches to improve anti-angiogenic efficacy and provide a perspective for the development and research of anti-angiogenic therapy.
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Affiliation(s)
- Zhen-Ling Liu
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 210009, Nanjing, China
| | - Huan-Huan Chen
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 210009, Nanjing, China
| | - Li-Li Zheng
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 210009, Nanjing, China
| | - Li-Ping Sun
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 210009, Nanjing, China.
| | - Lei Shi
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 210009, Nanjing, China.
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29
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Alimoradi N, Tahami M, Firouzabadi N, Haem E, Ramezani A. Metformin attenuates symptoms of osteoarthritis: role of genetic diversity of Bcl2 and CXCL16 in OA. Arthritis Res Ther 2023; 25:35. [PMID: 36879307 PMCID: PMC9990216 DOI: 10.1186/s13075-023-03025-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
OBJECTIVE This study aimed to evaluate the effectiveness of metformin versus placebo in overweight patients with knee osteoarthritis (OA). In addition, to assess the effects of inflammatory mediators and apoptotic proteins in the pathogenesis of OA, the genetic polymorphisms of two genes, one related to apoptosis (rs2279115 of Bcl-2) and the other related to inflammation (rs2277680 of CXCL-16), were investigated. METHODS In this double-blind placebo-controlled clinical trial, patients were randomly divided to two groups, one group receiving metformin (n = 44) and the other one receiving an identical inert placebo (n = 44) for 4 consecutive months (starting dose 0.5 g/day for the first week, increase to 1 g/day for the second week, and further increase to 1.5 g/day for the remaining period). Another group of healthy individuals (n = 92) with no history and diagnosis of OA were included in this study in order to evaluate the role of genetics in OA. The outcome of treatment regimen was evaluated using the Knee Injury and Osteoarthritis Outcome Score (KOOS) questionnaire. The frequency of variants of rs2277680 (A181V) and rs2279115 (938C>A) were determined in extracted DNAs using PCR-RFLP method. RESULTS Our results indicated an increase in scores of pain (P ≤ 0.0001), activity of daily living (ADL) (P ≤ 0.0001), sport and recreation (Sport/Rec) (P ≤ 0.0001), and quality of life (QOL) (P = 0.003) and total scores of the KOOS questionnaire in the metformin group compared to the placebo group. Susceptibility to OA was associated with age, gender, family history, CC genotype of 938C>A (Pa = 0.001; OR = 5.2; 95% CI = 2.0-13.7), and GG+GA genotypes of A181V (Pa = 0.04; OR = 2.1; 95% CI = 1.1-10.5). The C allele of 938C>A (Pa = 0.04; OR = 2.2; 95% CI = 1.1-9.8) and G allele of A181V (Pa = 0.02; OR = 2.2; 95% CI = 1.1-4.8) were also associated with OA. CONCLUSION Our findings support the possible beneficial effects of metformin on improving pain, ADL, Sport/Rec, and QOL in OA patients. Our findings support the association between the CC genotype of Bcl-2 and GG+GA genotypes of CXCL-16 and OA.
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Affiliation(s)
- Nahid Alimoradi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Tahami
- Bone and Joint Disease Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Firouzabadi
- Department of Pharmacology & Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Elham Haem
- Department of Biostatistics, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amin Ramezani
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz University of Medical Science, Shiraz, Iran
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Frozen Shoulder. Tech Vasc Interv Radiol 2023; 26:100882. [PMID: 36889844 DOI: 10.1016/j.tvir.2022.100882] [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: 12/24/2022]
Abstract
Adhesive capsulitis (AC) develops spontaneously without a known cause and is a common cause of painful shoulder. The natural history of AC can last until 36 months and it is classically considered a self-limiting entity, however there is a high rate of refractory cases to conventional treatment with residual deficits during years. There is no consensus on the therapeutic guidelines to be followed in patients with AC. Several authors have pointed out the relevance of hypervascularization of the capsule in the pathophysiology of AC, that is why the objective of transarterial embolization (TAE) is to decrease the abnormal vascularization responsible for the inflammatory-fibrotic state that occurs in AC. TAE has now emerged as a therapeutic option in refractory patients. We describe the most important technical aspects of TAE and review the current literature on arterial embolization as a treatment for AC.
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Sun J, Nie H, Pan P, Jiang Q, Liu C, Wang M, Deng Y, Yan B. Combined Anti-Angiogenic and Anti-Inflammatory Nanoformulation for Effective Treatment of Ocular Vascular Diseases. Int J Nanomedicine 2023; 18:437-453. [PMID: 36718193 PMCID: PMC9884055 DOI: 10.2147/ijn.s387428] [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: 08/29/2022] [Accepted: 01/16/2023] [Indexed: 01/24/2023] Open
Abstract
Background Ocular vascular diseases are the major causes of visual impairment, which are characterized by retinal vascular dysfunction and robust inflammatory responses. Traditional anti-angiogenic or anti-inflammatory drugs still have limitations due to the short-acting effects. To improve the anti-angiogenic or anti-inflammatory efficiency, a dual-drug nanocomposite formulation was proposed for combined anti-angiogenic and anti-inflammatory treatment of ocular vascular diseases. Methods CBC-MCC@hMSN(SM) complex nanoformulation was prepared by integrating conbercept (CBC, an anti-angiogenic drug) and MCC950 (MCC, an inhibitor of inflammation) into the surface-modified hollow mesoporous silica nanoparticles (hMSN(SM)). CBC-MCC@hMSN(SM) complex nanoformulation was then characterized by Fourier transform infrared spectroscopy, transmission electron microscopy, zeta potentials, and nitrogen adsorption-desorption measurement. CBC and MCC release profile, cytotoxicity, tissue toxicity, anti-angiogenic effects, and anti-inflammatory effects of CBC-MCC@hMSN(SM) were estimated using the in vitro and in vivo experiments. Results CBC-MCC@hMSN(SM) complex had no obvious cytotoxicity and tissue toxicity and did not cause a detectable ocular inflammatory responses. CBC-MCC@hMSN(SM) complex was more effective than free CBC or MCC in suppressing endothelial angiogenic effects and inflammatory responses in vitro. A single intraocular injection of CBC-MCC@hMSN(SM) complex potently suppressed diabetes-induced retinal vascular dysfunction, choroidal neovascularization, and inflammatory responses for up to 6 months. Conclusion Combined CBC and MCC nanoformulation provides a promising strategy for sustained suppression of pathological angiogenesis and inflammatory responses to improve the treatment outcomes of ocular vascular diseases.
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Affiliation(s)
- Jianguo Sun
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai, People’s Republic of China
| | - Huiling Nie
- The Affiliated Eye Hospital and The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, People’s Republic of China
| | - Panpan Pan
- Department of Chemistry, Fudan University, Shanghai, People’s Republic of China
| | - Qin Jiang
- The Affiliated Eye Hospital and The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, People’s Republic of China
| | - Chang Liu
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai, People’s Republic of China
| | - Min Wang
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai, People’s Republic of China
| | - Yonghui Deng
- Department of Chemistry, Fudan University, Shanghai, People’s Republic of China,Department of Gastroenterology and Hepatology, Zhongshan Hospital, Institute of Biomedical Sciences, Fudan University, Shanghai, People’s Republic of China,Correspondence: Yonghui Deng; Biao Yan, Email ;
| | - Biao Yan
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai, People’s Republic of China
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Yu P, Deng S, Yuan X, Pan J, Xu J. Extracellular Vesicles and Vascular Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1418:105-117. [PMID: 37603275 DOI: 10.1007/978-981-99-1443-2_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Vascular inflammation is the most common pathological feature in the pathogenesis of human disease. It is a complex immune process involved with many different types of cells including platelet, monocytes, macrophages, endothelial cells, and others. It is widely accepted that both innate and adaptive immune responses are important for the initiation and progression of vascular inflammation. The cell-cell interaction constitutes an important aspect of those immune responses in the vascular inflammation. Extracellular vesicles (EVs) are nanometer-sized double-layer lipid membrane vesicles released from most types of cells. They have been proved to play critical roles in intercellular communication in the occurrence and development of multisystem diseases. With the advancement of basal medical science, the biological roles of EVs in vascular inflammation have been clearer today. In this chapter, we will summarize the advance progress of extracellular vesicles in regulating vascular inflammation and its potential application in the clinical.
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Affiliation(s)
- Pujiao Yu
- Department of Cardiology, Gongli Hospital, School of Medicine, Shanghai University, Shanghai, China
| | - Shengqiong Deng
- Department of Cardiology, Gongli Hospital, School of Medicine, Shanghai University, Shanghai, China
| | - Xiaofei Yuan
- Department of Cardiology, Gongli Hospital, School of Medicine, Shanghai University, Shanghai, China
| | - Jiangqi Pan
- Department of Cardiology, Gongli Hospital, School of Medicine, Shanghai University, Shanghai, China
| | - Jiahong Xu
- Department of Cardiology, Gongli Hospital, School of Medicine, Shanghai University, Shanghai, China
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Zhang Y, Lv P, Li Y, Zhang Y, Cheng C, Hao H, Yue H. Inflammatory Cytokine Interleukin-6 (IL-6) Promotes the Proangiogenic Ability of Adipose Stem Cells from Obese Subjects via the IL-6 Signaling Pathway. Curr Stem Cell Res Ther 2023; 18:93-104. [PMID: 36883256 DOI: 10.2174/1574888x17666220429103935] [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: 10/09/2021] [Revised: 01/05/2022] [Accepted: 03/01/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND The prevalence of obesity, as well as obesity-induced chronic inflammatory diseases, is increasing worldwide. Chronic inflammation is related to the complex process of angiogenesis, and we found that adipose-derived stem cells from obese subjects (obADSCs) had proangiogenic features, including higher expression levels of interleukin-6 (IL-6), Notch ligands and receptors, and proangiogenic cytokines, than those from control subjects. We hypothesized that IL-6 and Notch signaling pathways are essential for regulating the proangiogenic characteristics of obADSCs. OBJECTIVE This study aimed to investigate whether the inflammatory cytokine interleukin 6 (IL-6) promotes the proangiogenic capacity of adipose stem cells in obese subjects via the IL-6 signaling pathway. METHODS We compared the phenotype analysis as well as cell doubling time, proliferation, migration, differentiation, and proangiogenic properties of ADSCs in vitro. Moreover, we used small interfering RNAs to inhibit the gene and protein expression of IL-6. RESULTS We found that ADSCs isolated from control individuals (chADSCs) and obADSCs had similar phenotypes and growth characteristics, and chADSCs had a stronger differentiation ability than obADSCs. However, obADSCs were more potent in promoting EA.hy926 cell migration and tube formation than chADSCs in vitro. We confirmed that IL-6 siRNA significantly reduced the transcriptional level of IL-6 in obADSCs, thereby reducing the expression of vascular endothelial growth factor (VEGF)- A, VEGF receptor 2, transforming growth factor β, and Notch ligands and receptors in obADSCs. CONCLUSION The finding suggests that inflammatory cytokine interleukin-6 (IL-6) promotes the proangiogenic ability of obADSCs via the IL-6 signaling pathway.
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Affiliation(s)
- Yuanyuan Zhang
- Translational Medicine Center, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, 450007, China
| | - Pengju Lv
- Translational Medicine Center, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, 450007, China
| | - Yalong Li
- Stem Cell Research Center, Henan Key Laboratory of Stem Cell Differentiation and Modification Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China.,People's Hospital of Henan University, Zhengzhou, Henan, 450003, China
| | - Yonghui Zhang
- Stem Cell Research Center, Henan Key Laboratory of Stem Cell Differentiation and Modification Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China.,People's Hospital of Henan University, Zhengzhou, Henan, 450003, China
| | - Chaofei Cheng
- Stem Cell Research Center, Henan Key Laboratory of Stem Cell Differentiation and Modification Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China.,People's Hospital of Henan University, Zhengzhou, Henan, 450003, China
| | - Hongbo Hao
- Neuroscience Initiative, Advanced Science Research Center at the Graduate Center, City University of New York, New York, 10031, USA
| | - Han Yue
- Stem Cell Research Center, Henan Key Laboratory of Stem Cell Differentiation and Modification Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China.,People's Hospital of Henan University, Zhengzhou, Henan, 450003, China
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Postembolization Persistence of Pulmonary Arteriovenous Malformations: A Retrospective Comparison of Coils and Amplatzer and Micro Vascular Plugs Using Propensity Score Weighting. AJR Am J Roentgenol 2023; 220:95-103. [PMID: 35946857 DOI: 10.2214/ajr.21.27218] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND. Endovascular embolization of pulmonary arteriovenous malformations (PAVMs) was historically performed with embolic coils. The Amplatzer Vascular Plug device (AVP) was introduced for this purpose in 2007 and the Micro Vascular Plug device (MVP) in 2013. OBJECTIVE. The purpose of this study was to compare coils, AVPs, and MVPs in terms of risk of persistence after PAVM embolization by use of propensity score weighting to account for biases in device selection. METHODS. This retrospective study included 112 patients (78 women and girls, 34 men and boys; mean age, 45 years) who underwent embolization of 393 PAVMs with a single device type (coil, MVP, or AVP) from January 2003 to January 2020. Persistence was defined as less than 70% reduction in PAVM sac size or contrast enhancement of the sac on follow-up pulmonary CTA. A Cox proportional hazards regression model was used to assess associations between embolic device selection and PAVM persistence. Inverse propensity score weighting was used to account for differences in embolic device selection based on patient and PAVM characteristics. RESULTS. The median postembolization follow-up period was 1.5 years (IQR, 0.3-5.6 years). Persistence was found in 10% (41/393) of PAVMs, including 16% (34/207) of those treated with coils, 8% (7/88) of those treated with AVPs, and 0% (0/98) of those treated with MVPs. Variables associated with embolization device (p < .25) were age, sex, pediatric versus adult status, smoking status, PAVM complexity, PAVM laterality, number of feeding arteries, and feeding artery diameter. The Cox regression model incorporated inverse propensity score weighting to account for the differences between treatment groups in these variables and incorporated feeding artery diameter because of imbalance remaining after weighting. With coils as the referent, MVPs had a hazard ratio for persistence of less than 0.01 (95% CI, < 0.01 to < 0.01; p < .001), and AVPs had a hazard ratio of 0.37 (95% CI, 0.16-0.90; p = .03). CONCLUSION. The risk of persistence after PAVM embolization was significantly lower for MVPs alone than for coils or AVPs alone. In addition, the risk of persistence was lower for AVPs than for coils. CLINICAL IMPACT. The findings support the clinical use of MVPs as the preferred device for PAVM embolization over coils and polytetrafluoroethylene-covered plugs.
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Rastogi S, Aldosary S, Saeedan AS, Ansari MN, Singh M, Kaithwas G. NF-κB mediated regulation of tumor cell proliferation in hypoxic microenvironment. Front Pharmacol 2023; 14:1108915. [PMID: 36891273 PMCID: PMC9986608 DOI: 10.3389/fphar.2023.1108915] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 02/01/2023] [Indexed: 02/22/2023] Open
Abstract
Hypoxia is caused by a cancer-promoting milieu characterized by persistent inflammation. NF-κB and HIF-1α are critical participants in this transition. Tumor development and maintenance are aided by NF-κB, while cellular proliferation and adaptability to angiogenic signals are aided by HIF-1α. Prolyl hydroxylase-2 (PHD-2) has been hypothesized to be the key oxygen-dependent regulator of HIF-1α and NF-transcriptional B's activity. Without low oxygen levels, HIF-1α is degraded by the proteasome in a process dependent on oxygen and 2-oxoglutarate. As opposed to the normal NF-κB activation route, where NF-κB is deactivated by PHD-2-mediated hydroxylation of IKK, this method actually activates NF-κB. HIF-1α is protected from degradation by proteasomes in hypoxic cells, where it then activates transcription factors involved in cellular metastasis and angiogenesis. The Pasteur phenomenon causes lactate to build up inside the hypoxic cells. As part of a process known as lactate shuttle, MCT-1 and MCT-4 cells help deliver lactate from the blood to neighboring, non-hypoxic tumour cells. Non-hypoxic tumour cells use lactate, which is converted to pyruvate, as fuel for oxidative phosphorylation. OXOPHOS cancer cells are characterized by a metabolic switch from glucose-facilitated oxidative phosphorylation to lactate-facilitated oxidative phosphorylation. Although PHD-2 was found in OXOPHOS cells. There is no clear explanation for the presence of NF-kappa B activity. The accumulation of the competitive inhibitor of 2-oxo-glutarate, pyruvate, in non-hypoxic tumour cells is well established. So, we conclude that PHD-2 is inactive in non-hypoxic tumour cells due to pyruvate-mediated competitive suppression of 2-oxo-glutarate. This results in canonical activation of NF-κB. In non-hypoxic tumour cells, 2-oxoglutarate serves as a limiting factor, rendering PHD-2 inactive. However, FIH prevents HIF-1α from engaging in its transcriptional actions. Using the existing scientific literature, we conclude in this study that NF-κB is the major regulator of tumour cell growth and proliferation via pyruvate-mediated competitive inhibition of PHD-2.
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Affiliation(s)
- Shubham Rastogi
- Department of Pharmaceutical Sciences, School of Biosciences and Biotechnology, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
| | - Sara Aldosary
- Department of Pharmaceutical Sciences, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Abdulaziz S Saeedan
- Department of Pharmacology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Mohd Nazam Ansari
- Department of Pharmacology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Manjari Singh
- Department of Pharmaceutical Sciences, Assam Central University, Silchar, India
| | - Gaurav Kaithwas
- Department of Pharmaceutical Sciences, School of Biosciences and Biotechnology, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
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Fan X, Qiu J, Yuan T, Zhang J, Xu J. Piperlongumine alleviates corneal allograft rejection via suppressing angiogenesis and inflammation. Front Immunol 2022; 13:1090877. [PMID: 36591243 PMCID: PMC9802119 DOI: 10.3389/fimmu.2022.1090877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
Background Neovascularization and inflammatory response are two essential features of corneal allograft rejection. Here, we investigated the impact of Piperlongumine (PL) on alleviating corneal allograft rejection, primarily focusing on pathological angiogenesis and inflammation. Methods A murine corneal allograft transplantation model was utilized to investigate the role of PL in preventing corneal allograft rejection. PL (10 mg/kg) or vehicle was intraperitoneally injected daily into BALB/c recipients from day -3 to day 14. The clinical signs of the corneal grafts were monitored for 30 days. Corneal neovascularization and inflammatory cell infiltration were detected by immunofluorescence staining and immunohistochemistry. The proportion of CD4+ T cells and macrophages in the draining lymph nodes (DLNs) was examined by flow cytometry. In vitro, HUVECs were cultured under hypoxia or incubated with TNF-α to mimic the hypoxic and inflammatory microenvironment favoring neovascularization in corneal allograft rejection. Multiple angiogenic processes including proliferation, migration, invasion and tube formation of HUVECs in hypoxia with or without PL treatment were routinely evaluated. The influence of PL treatment on TNF-α-induced pro-inflammation in HUVECs was investigated by real-time PCR and ELISA. Results In vivo, PL treatment effectively attenuated corneal allograft rejection, paralleled by coincident suppression of neovascularization and alleviation of inflammatory response. In vitro, PL distinctively inhibited hypoxia-induced angiogenic processes in HUVECs. Two key players in hypoxia-induced angiogenesis, HIF-1α and VEGF-A were significantly suppressed by PL treatment. Also, TNF-α-induced pro-inflammation in HUVECs was hampered by PL treatment, along with a pronounced reduction in ICAM-1, VCAM-1, CCL2, and CXCL5 expression. Conclusions The current study demonstrated that PL could exhibit both anti-angiogenic and anti-inflammatory effects in preventing corneal allograft rejection, highlighting the potential therapeutic applications of PL in clinical strategy.
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Affiliation(s)
- Xiangyu Fan
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
| | - Jini Qiu
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
| | - Tianjie Yuan
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
| | - Jing Zhang
- Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, China,Shanghai Key Laboratory of Visual Impairment and Restoration, Fudan University, Shanghai, China,National Health Commission (NHC), Key Laboratory of Myopia (Fudan University), Chinese Academy of Medical Sciences, Shanghai, China,*Correspondence: Jing Zhang, ; Jianjiang Xu,
| | - Jianjiang Xu
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China,Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, China,Shanghai Key Laboratory of Visual Impairment and Restoration, Fudan University, Shanghai, China,National Health Commission (NHC), Key Laboratory of Myopia (Fudan University), Chinese Academy of Medical Sciences, Shanghai, China,*Correspondence: Jing Zhang, ; Jianjiang Xu,
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Urban BE, Subhash HM, Kilpatrick-Liverman L. Measuring changes in blood volume fraction during induced gingivitis of healthy and unhealthy populations using hyperspectral spatial frequency domain imaging: a clinical study. Sci Rep 2022; 12:18357. [PMID: 36319677 PMCID: PMC9626635 DOI: 10.1038/s41598-022-23115-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 10/25/2022] [Indexed: 12/31/2022] Open
Abstract
This investigation aimed to quantitatively measure the changes in inflammation of subjects with healthy and unhealthy gums during a period of induced gingivitis. A total of 30 subjects (15 healthy, 15 with gum inflammation) were enlisted and given oral exams by a dental hygienist. Baseline measurements were acquired before a 3-week period of oral hygiene abstinence. The lobene modified gingival index scoring was used for inflammation scoring and hyperspectral spatial frequency domain imaging was used to quantitatively measure oxy- and deoxygenated blood volume fraction at two time points: at Baseline and after 3 weeks of oral hygiene abstinence. We found that abstaining from oral hygiene causes a near proportional increase in oxygenated and deoxygenated blood volume fraction for healthy individuals. For individuals who started the study with mild to moderate gingivitis, increases in blood volume were mainly due to deoxygenated blood.
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Affiliation(s)
- Ben E. Urban
- grid.418753.c0000 0004 4685 452XGlobal Technology and Design Center, Colgate Palmolive Technology Center Campus, Piscataway, NJ 08854 USA
| | - Hrebesh M. Subhash
- grid.418753.c0000 0004 4685 452XGlobal Technology and Design Center, Colgate Palmolive Technology Center Campus, Piscataway, NJ 08854 USA
| | - LaTonya Kilpatrick-Liverman
- grid.418753.c0000 0004 4685 452XGlobal Technology and Design Center, Colgate Palmolive Technology Center Campus, Piscataway, NJ 08854 USA
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Deng H, Liu H, Yang Z, Bao M, Lin X, Han J, Qu C. Progress of Selenium Deficiency in the Pathogenesis of Arthropathies and Selenium Supplement for Their Treatment. Biol Trace Elem Res 2022; 200:4238-4249. [PMID: 34779998 DOI: 10.1007/s12011-021-03022-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 11/08/2021] [Indexed: 11/26/2022]
Abstract
Selenium, an essential trace element for human health, exerts an indispensable effect in maintaining physiological homeostasis and functions in the body. Selenium deficiency is associated with arthropathies, such as Kashin-Beck disease, rheumatoid arthritis, osteoarthritis, and osteoporosis. Selenium deficiency mainly affects the normal physiological state of bone and cartilage through oxidative stress reaction and immune reaction. This review aims to explore the role of selenium deficiency and its mechanisms existed in the pathogenesis of arthropathies. Meanwhile, this review also summarized various experiments to highlight the crucial functions of selenium in maintaining the homeostasis of bone and cartilage.
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Affiliation(s)
- Huan Deng
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Haobiao Liu
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Zhihao Yang
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Miaoye Bao
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Xue Lin
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Jing Han
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, People's Republic of China.
| | - Chengjuan Qu
- Department of Odontology, Umeå University, 90187, Umeå, Sweden
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Niu X, Han Q, Li X, Li J, Liu Y, Li Y, Wu Y, Zhang K. EDIL3 influenced the αvβ3-FAK/MEK/ERK axis of endothelial cells in psoriasis. J Cell Mol Med 2022; 26:5202-5212. [PMID: 36065978 PMCID: PMC9575107 DOI: 10.1111/jcmm.17544] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/27/2022] [Accepted: 08/18/2022] [Indexed: 11/29/2022] Open
Abstract
One of the earliest events in the development of psoriatic lesion is a vascular network expansion. The abnormal vascular network is associated with increased endothelial cells (ECs) survival, proliferation, adhesion, migration, angiogenesis and permeability in psoriatic lesion. Our previous study demonstrated that epidermal growth factor‐like repeats and discoidin I‐like domains 3 (EDIL3) derived from psoriatic dermal mesenchymal stem cells (DMSCs) promoted cell–cell adhesion, migration and angiogenesis of ECs, but the molecular mechanism of upstream or downstream has not been explored. So, this study aimed to explore the association between EDIL3 derived from DMSCs (DMSCs‐derived EDIL3) and psoriasis‐associated angiogenesis. We injected recombinant EDIL3 protein to mouse model of psoriasis to confirm the roles of EDIL3 in psoriasis. Besides, we employed both short‐interference RNA (si‐RNA) and lentiviral vectors to explore the molecular mechanism of EDIL3 promoting angiogenesis in psoriasis. In vivo, this research found that after injected recombination EDIL3 protein, the epidermis thickness and microvessel density were both elevated. EDIL3 accelerated the process of psoriasis in the IMQ‐induced psoriasis‐like mouse model. Additionally, we confirmed that in vitro DMSCs‐derived EDIL3 is involved in the tube formation of ECs via αvβ3‐FAK/MEK/ERK signal pathway. This suggested that DMSCs‐derived EDIL3 and αvβ3‐FAK/MEK/ERK signal pathway in ECs play an important role in the pathogenesis of psoriasis. And the modification of DMSCs, EDIL3 and αvβ3‐FAK/MEK/ERK signal pathway will provide a valuable therapeutic target to control the angiogenesis in psoriasis.
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Affiliation(s)
- Xuping Niu
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Qixin Han
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xinhua Li
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Juan Li
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yanmin Liu
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yan Li
- No. 1 English Department, School of Fundamental Sciences, China Medical University, Shenyang, China
| | - Yan Wu
- Department of Dermatology, Key Laboratory of Immunodermatology, Ministry of Education and NHC, National joint Engineering Research Center for Theranostics of Immunological Skin Diseases, The First Hospital of China Medical University, Shenyang, China
| | - Kaiming Zhang
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
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Lin L, He YL, Tang Y, Hong P, Zhou C, Sun S, Qian ZJ. Mechanism analysis of octapeptide from microalgae, Isochrysis zhanjiangensis for suppressing vascular injury and angiogenesis in human umbilical vein endothelial cell. Int Immunopharmacol 2022; 111:109149. [PMID: 36027851 DOI: 10.1016/j.intimp.2022.109149] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/30/2022] [Accepted: 08/08/2022] [Indexed: 11/05/2022]
Abstract
Incorporating microalgae active peptides into functional foods is one of the hottest topics in algae research. Ile-Ile-Ala-Val-Glu-Ala-Gly-Cys (IEC) is a novel octapeptide isolated from the microalgae, Isochrysis Zhanjiangensis that inhibits the vascular injury, angiogenesis and has a protective effect on cardiovascular diseases. In this study, IEC can suppress ROS production and inhibit pro-inflammatory factors through the Nrf2/SOD/HO-1 and NF-κB signaling pathways. Additionally, IEC inhibits angiogenesis by reducing the expression of MMP2 and MMP9 via the PI3K/AKT, NF-κB, and MAPK pathways. Molecular docking also demonstrated that IEC possesses an excellent docking effect with SOD, Bcl-2 and VEGFR-2. In conclusion, this study not only provides a new idea for the prevention of cardiovascular diseases, but also proves the possibility of octapeptide (IEC) in functional food and drugs, and further improves the use value of microalgae (Isochrysis Zhanjiangensis).
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Affiliation(s)
- Liyuan Lin
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Yuan-Lin He
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Yanfei Tang
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Pengzhi Hong
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Chunxia Zhou
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Shengli Sun
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Zhong-Ji Qian
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China.
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41
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Yoon SK, Chung DJ. In Vivo Degradation Studies of PGA-PLA Block Copolymer and Their Histochemical Analysis for Spinal-Fixing Application. Polymers (Basel) 2022; 14:polym14163322. [PMID: 36015579 PMCID: PMC9415336 DOI: 10.3390/polym14163322] [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: 07/14/2022] [Revised: 08/10/2022] [Accepted: 08/12/2022] [Indexed: 11/24/2022] Open
Abstract
Polylactic acid (PLA) and polyglycolic acid (PGA) are well-known medical-implant materials. Under the consideration of the limitations of degradable polymeric materials, such as weak mechanical strength and by-product release through the biodegradation process under in vivo environments, PLA–PGA block copolymer is one of the effective alternative implant materials in the clinical field. In our previous study, two types of extremely effective PGA–PLA copolymers (multi/tri-block PGA–PLA copolymers) were synthesized. These synthesized block copolymers could overcome aforementioned issues and also showed good biocompatibility. In this study, the PGA–PLA block copolymers with large molecular weight were synthesized under the same chemical scheme, and their bio durability was confirmed through the in vivo degradation behavior and histochemical analyses (by hematoxylin and eosin and immune staining) in comparison with commercial PLGA random copolymer (medical grade). Specimens for the degradation test were investigated by SEM and X-ray diffractometer (XRD). As a result, the synthesized PGA–PLA block copolymer showed good biocompatibility and had a controlled biodegrading rate, making it suitable for use in resorbable spinal-fixation materials.
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Tang Y, Yang S, Lin L, Zheng Z, Sun S, Zhou C, Hong P, Qian ZJ. Pentapeptide AYP from Isochrysis Zhanjiangensis Exhibits Antiangiogenic Activity in HT1080 Cells and HUVECs by Suppressing Migration and Invasion In Vitro. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:8481-8491. [PMID: 35770804 DOI: 10.1021/acs.jafc.2c02813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Microalgae are important biological sources of marine active peptides and renewable biological resources. Isochrysis zhanjiangensis has been widely used in biological ultrafiltration membranes and aquaculture. However, there are relatively few studies on its component structure and diverse activities. In this study, the mechanism of action of previously isolated pentapeptides (AYP, Ala-Tyr-Ala-Pro-Glu) on inflammation and tumor angiogenesis was evaluated. The results showed that AYP could effectively inhibit the invasion and migration of human umbilical vein endothelial cells (HUVECs) and HT1080 cells by downregulating the expression of MMP-2/-9, independent of cytotoxicity. Especially after 100 μM AYP treatment, the ability to inhibit migration was about 67.7% ± 1.9 for HT1080 cells and 63.6% ± 1.3 for HUVECs, respectively. In addition, the activity of iNOS and COX-2 was decreased by inhibiting the oversecretion of VEGF in HT1080 cells induced by CoCl2 and the activation of VEGFR-2 in HUVECs and by regulating PI3K/AKT and Ras/MAPK signaling pathways. It can prevent inflammation and block tumor angiogenesis. Therefore, AYP is expected to become a drug or functional food to prevent and treat tumor angiogenesis.
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Affiliation(s)
- Yanfei Tang
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Shengtao Yang
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
- Key Laboratory of Tropical Crop Products Processing of Ministry of Agriculture and Rural Affairs, Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, Guangdong 524001, China
| | - Liyuan Lin
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Zhaowan Zheng
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Shengli Sun
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Chunxia Zhou
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Pengzhi Hong
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Zhong-Ji Qian
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
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Søgaard SB, Andersen SB, Taghavi I, Hoyos CAV, Christoffersen C, Hansen KL, Jensen JA, Nielsen MB, Sørensen CM. Super-Resolution Ultrasound Imaging Provides Quantification of the Renal Cortical and Medullary Vasculature in Obese Zucker Rats: A Pilot Study. Diagnostics (Basel) 2022; 12:diagnostics12071626. [PMID: 35885531 PMCID: PMC9318608 DOI: 10.3390/diagnostics12071626] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/17/2022] [Accepted: 07/01/2022] [Indexed: 11/16/2022] Open
Abstract
Obesity is a risk factor of chronic kidney disease (CKD), leading to alterations in the renal vascular structure. This study tested if renal vascular density and tortuosity was quantifiable in vivo in obese rats using microbubble-based super-resolution ultrasound imaging. The kidneys of two 11-week-old and two 20-week-old male obese Zucker rats were compared with age-matched male lean Zucker rats. The super-resolution ultrasound images were manually divided into inner medulla, outer medulla, and cortex, and each area was subdivided into arteries and veins. We quantified vascular density and tortuosity, number of detected microbubbles, and generated tracks. For comparison, we assessed glomerular filtration rate, albumin/creatinine ratio, and renal histology to evaluate CKD. The number of detected microbubbles and generated tracks varied between animals and significantly affected quantification of vessel density. In areas with a comparable number of tracks, density increased in the obese animals, concomitant with a decrease in glomerular filtration rate and an increase in albumin/creatinine ratio, but without any pathology in the histological staining. The results indicate that super-resolution ultrasound imaging can be used to quantify structural alterations in the renal vasculature. Techniques to generate more comparable number of microbubble tracks and confirmation of the findings in larger-scale studies are needed.
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Affiliation(s)
- Stinne Byrholdt Søgaard
- Department of Diagnostic Radiology, Rigshospitalet, 2100 Copenhagen, Denmark; (S.B.A.); (K.L.H.); (M.B.N.)
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (C.C.); (C.M.S.)
- Department of Clinical Medicine, University of Copenhagen, 2200 Copenhagen, Denmark
- Correspondence:
| | - Sofie Bech Andersen
- Department of Diagnostic Radiology, Rigshospitalet, 2100 Copenhagen, Denmark; (S.B.A.); (K.L.H.); (M.B.N.)
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (C.C.); (C.M.S.)
| | - Iman Taghavi
- Center for Fast Ultrasound Imaging, Department of Health Technology, Technical University of Denmark, 2800 Lyngby, Denmark; (I.T.); (J.A.J.)
| | | | - Christina Christoffersen
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (C.C.); (C.M.S.)
- Department of Clinical Biochemistry, Rigshospitalet, 2100 Copenhagen, Denmark
| | - Kristoffer Lindskov Hansen
- Department of Diagnostic Radiology, Rigshospitalet, 2100 Copenhagen, Denmark; (S.B.A.); (K.L.H.); (M.B.N.)
- Department of Clinical Medicine, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Jørgen Arendt Jensen
- Center for Fast Ultrasound Imaging, Department of Health Technology, Technical University of Denmark, 2800 Lyngby, Denmark; (I.T.); (J.A.J.)
| | - Michael Bachmann Nielsen
- Department of Diagnostic Radiology, Rigshospitalet, 2100 Copenhagen, Denmark; (S.B.A.); (K.L.H.); (M.B.N.)
- Department of Clinical Medicine, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Charlotte Mehlin Sørensen
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (C.C.); (C.M.S.)
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Deng H, Gong Y, Chen Y, Zhang G, Chen H, Cheng T, Jin L, Wang Y. Porphyromonas gingivalis lipopolysaccharide affects the angiogenic function of endothelial progenitor cells via Akt/FoxO1 signaling. J Periodontal Res 2022; 57:859-868. [PMID: 35694806 DOI: 10.1111/jre.13024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/20/2022] [Accepted: 05/25/2022] [Indexed: 11/28/2022]
Abstract
AIMS Endothelial progenitor cells (EPCs) function as the angiogenic switch of many physiological and pathological conditions. We aimed to investigate the effects of Porphyromonas gingivalis lipopolysaccharide on the angiogenic capacity of EPCs and delineate the underlying mechanisms. MATERIALS AND METHODS EPCs were isolated from human umbilical blood. CCK-8 assay was undertaken to analyze the cell viability. The migration and tube formation capacity were assessed by wound healing and tube formation, respectively. The protein expression of Akt/p-Akt, endothelial nitric oxide synthase (eNOS)/p-eNOS, and Forkhead box O1 (FoxO1)/p-FoxO1 was determined by Western blot. The intracellular localization of FoxO1 was evaluated by immunofluorescent staining. RESULTS P. gingivalis LPS at 10 μg/ml significantly increased the viability (10.9 ± 2.9%), migration (16.3 ± 3.1%), and tube formation (38.6 ± 5.5%) of EPCs, along with increased phosphorylation of Akt, eNOS, and FoxO1. Mechanistically, Akt inhibition by specific inhibitor wortmannin and FoxO1 forced expression by adenovirus transfection in EPCs markedly attenuated the P. gingivalis LPS-induced eNOS activation, tube formation, and migration. Moreover, P. gingivalis LPS-induced phosphorylation and nuclear exclusion of FoxO1 were blunted by Akt inhibition. CONCLUSIONS The present study suggests that P. gingivalis LPS could affect the angiogenic function of EPCs through the Akt/FoxO1 signaling. The current findings may shed light on the clinical association of periodontitis with aberrant angiogenesis seen in atherosclerotic plaque rupture.
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Affiliation(s)
- Hui Deng
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Yixuan Gong
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Yuan Chen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Guigui Zhang
- Department of Pharmacy, Chinese-American Research Institute for Diabetic Complications, Wenzhou Medical University, Wenzhou, China
| | - Hui Chen
- Department of Pharmacy, Chinese-American Research Institute for Diabetic Complications, Wenzhou Medical University, Wenzhou, China
| | - Tianfan Cheng
- Division of Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Lijian Jin
- Division of Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Yi Wang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
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45
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Emerging Targets for the Treatment of Osteoarthritis: New Investigational Methods to Identify Neo-Vessels as Possible Targets for Embolization. Diagnostics (Basel) 2022; 12:diagnostics12061403. [PMID: 35741213 PMCID: PMC9221854 DOI: 10.3390/diagnostics12061403] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis (OA) is the major cause of disability, affecting over 30 million US adults. Continued research into the role of neovascularization and inflammation related to osteoarthritis in large-animal models and human clinical trials is paramount. Recent literature on the pathogenetic model of OA has refocused on low-level inflammation, resulting in joint remodeling. As a result, this has redirected osteoarthritis research toward limiting or treating joint changes associated with persistent synovitis. The overall goal of this review is to better understand the cellular and tissue-specific mechanisms of inflammation in relation to a novel OA treatment modality, Genicular Artery Embolization (GAE). This article also assesses the utility and mechanism of periarticular neovascular embolization for the treatment of OA with a particular emphasis on the balance between pro-angiogenic and anti-angiogenic cytokines, inflammatory biomarkers, and imaging changes.
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46
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Uflacker AB, Keefe N, Bruner ET, Avery A, Salzar R, Henderson K, Spratley M, Nacey N, Miller W, Grewal S, Chahin J, Safavian D, Haskal ZJ. Assessing the Effects of Geniculate Artery Embolization in a Non-Surgical Animal Model of Osteoarthritis. J Vasc Interv Radiol 2022; 33:1073-1082.e2. [PMID: 35659574 DOI: 10.1016/j.jvir.2022.05.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 05/06/2022] [Accepted: 05/25/2022] [Indexed: 11/16/2022] Open
Abstract
PURPOSE To create a non-surgical animal model of osteoarthritis (OA) to evaluate effects of embolotherapy during geniculate artery embolization. MATERIALS AND METHODS Fluoroscopy-guided injections of 700mg Sodium-Monoiodoacetate were made into the left stifle in 6 rams. Kinematic data were collected pre/post-induction. 10-weeks post-induction, subjects 1, 4-6 underwent MRI with dynamic contrast enhancement (DCE-MRI), and angiography (subjects 1, 3, 4-6) with angiographic scoring to identify regions with greatest disease severity for superselective embolization (75-250μm microspheres, subjects 1, 3, 4, and 6). Target vessel size was measured. 24-weeks after angiography, DCE-MRI, angiography, and euthanasia were performed and bilateral stifles harvested. Medial/lateral tibial and femoral condyles, patella and synovium samples were cut, preserved, decalcified, and scored with OARSI criteria. Stifle and synovium WORMS and MOST scores were obtained. Ktrans and extracellular volume fraction (ve) were calculated from DCE-MRI along lateral synovial regions of interest. RESULTS Mean gross/microscopic pathological scores were elevated at 38/61. Mean synovitis score was elevated at 9.2. Mean pre/post-embolization angiographic scores were 5/3.8, respectively. Mean Superior/Transverse/Inferior Geniculate artery diameters(mm) were 3.1±1.21, 2.0±0.50, and 1.6±0.41. Mean Pre/post-embolization cartilage/synovitis scores were elevated at 35.13/73.3 and 5.5/9.2, respectively. Subjects 4-6 Ktrans/ve values were elevated at 0.049/0.38, 0.074/0.53, and 0.065/0.51. Altered gait of the hind limb was observed in all subjects post-induction, with reduced joint mobility. No skin or osteonecrosis were observed. CONCLUSION A non-surgical ovine animal knee OA model was created which allowed the collection of angiographic, histopathological, MRI and kinematic data were obtained to study the effects of geniculate artery embolization.
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Affiliation(s)
- Andre B Uflacker
- Medical University of South Carolina, Department of Radiology, Division of Vascular and Interventional Radiology
| | - Nicole Keefe
- University of Virginia, Department of Radiology and Medical Imaging, Division of Vascular and Interventional Radiology
| | - Evelyn T Bruner
- Medical University of South Carolina, Department of Pathology & Laboratory Medicine
| | - Alexandra Avery
- Medical University of South Carolina, Department of Pathology & Laboratory Medicine
| | - Robert Salzar
- University of Virginia, Department of Engineering, Center for Applied Biomechanics
| | - Kyvory Henderson
- University of Virginia, Department of Engineering, Center for Applied Biomechanics
| | - Meade Spratley
- University of Virginia, Department of Engineering, Center for Applied Biomechanics
| | - Nicholas Nacey
- University of Virginia, Department of Radiology and Medical Imaging
| | - Wilson Miller
- University of Virginia, Department of Radiology and Medical Imaging
| | - Sukhdeep Grewal
- University of Virginia, Department of Radiology and Medical Imaging, Division of Vascular and Interventional Radiology
| | - Jonathan Chahin
- University of Virginia, Department of Radiology and Medical Imaging, Division of Vascular and Interventional Radiology
| | - Dana Safavian
- University of Virginia, Department of Radiology and Medical Imaging, Division of Vascular and Interventional Radiology
| | - Ziv J Haskal
- University of Virginia, Department of Radiology and Medical Imaging, Division of Vascular and Interventional Radiology
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47
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Xiong L, McCoy M, Murtazina R, Podrez EA, Byzova TV. Timely Wound Healing is Dependent upon Endothelial but not Hair Follicle Stem Cell Toll-like Receptor 2 Signaling. J Invest Dermatol 2022; 142:3082-3092.e1. [PMID: 35561753 DOI: 10.1016/j.jid.2022.04.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/08/2022] [Accepted: 04/22/2022] [Indexed: 11/18/2022]
Abstract
As a part of innate immunity, Toll-like receptor 2 (TLR2) plays an important function in most defensive responses of the organism, including but not limited to infections. Cutaneous injury, one of the most common challenges for mammals, mobilizes a number of cell types, including epithelial, immune, and vascular cells for timely tissue repair. However, in contrast to immune cells, little is known about TLR2 function on non-immune cells during skin regeneration. Here, we used two tissue-specific conditional TLR2 knockout mouse lines to address the impact of TLR2 in endothelial and hair follicle stem cells (HFSCs) on cutaneous wound healing. The loss of TLR2 on endothelial cells diminishes their ability to migrate, sprout, and proliferate in response to specific TLR2 ligands, and also reduces the secretion of key pro-angiogenic factors. Lack of TLR2 on endothelial cells prolongs wound healing due to diminished angiogenesis. TLR2 is expressed in key structures of hair follicle including HFSCs, secondary hair germ, and dermal papilla. Despite the prominent role for HFSCs in skin regeneration, excision of TLR2 from HFSCs has no impact on their proliferation or wound healing potential. Our study demonstrates that timely tissue regeneration after skin injury is dependent upon endothelial TLR2 for robust angiogenesis, while HFSC TLR2 is dispensable.
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Affiliation(s)
- Luyang Xiong
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Michael McCoy
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA; Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Rakhilya Murtazina
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA; Department of Biochemistry and Molecular Genetics, College of Medicine, University of Illinois Chicago, Chicago, Illinois, USA
| | - Eugene A Podrez
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Tatiana V Byzova
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.
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Siqueira M, Stipursky J. BLOOD BRAIN BARRIER AS AN INTERFACE FOR ALCOHOL INDUCED NEUROTOXICITY DURING DEVELOPMENT. Neurotoxicology 2022; 90:145-157. [DOI: 10.1016/j.neuro.2022.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/15/2022] [Accepted: 03/14/2022] [Indexed: 11/30/2022]
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49
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Adamo A, Bruno A, Menallo G, Francipane MG, Fazzari M, Pirrone R, Ardizzone E, Wagner WR, D'Amore A. Blood Vessel Detection Algorithm for Tissue Engineering and Quantitative Histology. Ann Biomed Eng 2022; 50:387-400. [PMID: 35171393 PMCID: PMC8917109 DOI: 10.1007/s10439-022-02923-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 01/17/2022] [Indexed: 11/29/2022]
Abstract
Immunohistochemistry for vascular network analysis plays a fundamental role in basic science, translational research and clinical practice. However, identifying vascularization in histological tissue images is time consuming and markedly depends on the operator’s experience. In this study, we present “blood vessel detection—BVD”, an automatic algorithm for quantitative analysis of blood vessels in immunohistochemical images. BVD is based on extraction and analysis of low-level image features and spatial filtering techniques, which do not require a training phase. BVD algorithm performance was comparatively evaluated on histological sections from three different in vivo experiments. Collectively, 173 independent images were analyzed, and the algorithm's results were compared to those obtained by human operators. The developed BVD algorithm proved to be a robust and versatile tool, being able to quantify number, area, and spatial distribution of blood vessels within all three considered histologic datasets. BVD is provided as an open-source application working on different operating systems. BVD is supported by a user-friendly graphical interface designed to facilitate large-scale analysis.
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Affiliation(s)
- A Adamo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, University of Palermo, 90100, Palermo, Italy.,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA.,Fondazione Ri.MED, 90133, Palermo, Italy
| | - A Bruno
- Department of Computing and Informatics in the Faculty of Science and Technology, Bournemouth University, Poole, BH12 5BB, UK
| | - G Menallo
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA.,Department of Biomedical Engineering, Worcester Polytechnic Institute, Worcester, MA, 01605, USA
| | - M G Francipane
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA.,Fondazione Ri.MED, 90133, Palermo, Italy.,Department of Pathology, University of Pittsburgh, Pittsburgh, PA, 15206, USA
| | - M Fazzari
- Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - R Pirrone
- Department of Industrial and Digital Innovation, University of Palermo, 90100, Palermo, Italy
| | - E Ardizzone
- Department of Industrial and Digital Innovation, University of Palermo, 90100, Palermo, Italy
| | - W R Wagner
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA.,Department of Surgery, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - A D'Amore
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA. .,Fondazione Ri.MED, 90133, Palermo, Italy. .,Department of Surgery, University of Pittsburgh, Pittsburgh, PA, 15219, USA. .,Department of Surgery and Bioengineering, McGowan Institute for Regenerative Medicine, University of Pittsburgh, 450 Technology Drive, Pittsburgh, PA, 15219, USA.
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50
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Maestri M, Pallozzi M, Santopaolo F, Cerrito L, Pompili M, Gasbarrini A, Ponziani FR. Durvalumab: an investigational agent for unresectable hepatocellular carcinoma. Expert Opin Investig Drugs 2022; 31:347-360. [DOI: 10.1080/13543784.2022.2033208] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Marta Maestri
- Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS
| | - Maria Pallozzi
- Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS
| | - Francesco Santopaolo
- Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS
| | - Lucia Cerrito
- Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS
| | - Maurizio Pompili
- Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS
| | - Antonio Gasbarrini
- Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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