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Ramos Maia DR, Otsuki DA, Rodrigues CE, Zboril S, Sanches TR, Neto AND, Andrade L, Auler JOC. TREATMENT WITH HUMAN UMBILICAL CORD-DERIVED MESENCHYMAL STEM CELLS IN A PIG MODEL OF SEPSIS-INDUCED ACUTE KIDNEY INJURY: EFFECTS ON MICROVASCULAR ENDOTHELIAL CELLS AND TUBULAR CELLS IN THE KIDNEY. Shock 2023; 60:469-477. [PMID: 37548627 DOI: 10.1097/shk.0000000000002191] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
ABSTRACT Background: Approximately 50% of patients with sepsis develop acute kidney injury (AKI), which is predictive of poor outcomes, with mortality rates of up to 70%. The endothelium is a major target for treatments aimed at preventing the complications of sepsis. We hypothesized that human umbilical cord-derived mesenchymal stem cells (hUC-MSCs) could attenuate tubular and endothelial injury in a porcine model of sepsis-induced AKI. Methods: Anesthetized pigs were induced to fecal peritonitis, resulting in septic shock, and were randomized to treatment with fluids, vasopressors, and antibiotics (sepsis group; n = 11) or to that same treatment plus infusion of 1 × 10 6 cells/kg of hUC-MSCs (sepsis+MSC group; n = 11). Results: At 24 h after sepsis induction, changes in serum creatinine and mean arterial pressure were comparable between the two groups, as was mortality. However, the sepsis+MSC group showed some significant differences in comparison with the sepsis group: lower fractional excretions of sodium and potassium; greater epithelial sodium channel protein expression; and lower protein expression of the Na-K-2Cl cotransporter and aquaporin 2 in the renal medulla. Expression of P-selectin, thrombomodulin, and vascular endothelial growth factor was significantly lower in the sepsis+MSC group than in the sepsis group, whereas that of Toll-like receptor 4 (TLR4) and nuclear factor-kappa B (NF-κB) was lower in the former. Conclusion: Treatment with hUC-MSCs seems to protect endothelial and tubular cells in sepsis-induced AKI, possibly via the TLR4/NF-κB signaling pathway. Therefore, it might be an effective treatment for sepsis-induced AKI.
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Affiliation(s)
- Débora Rothstein Ramos Maia
- Laboratory for Medical Research 8, Anesthesiology Department, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Denise Aya Otsuki
- Laboratory for Medical Research 8, Anesthesiology Department, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Camila Eleutério Rodrigues
- Laboratory for Medical Research 12, Division of Nephrology, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Sabrina Zboril
- Laboratory for Medical Research 8, Anesthesiology Department, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Talita Rojas Sanches
- Laboratory for Medical Research 12, Division of Nephrology, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Amaro Nunes Duarte Neto
- Division of Pathology, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Lúcia Andrade
- Laboratory for Medical Research 12, Division of Nephrology, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - José Otávio Costa Auler
- Laboratory for Medical Research 8, Anesthesiology Department, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
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Yin XY, Liu Y, Lu ZM, Pang T, Cui HT, Xue XC, Fang GE, Luo TH. LncRNA NEAT-2 regulate the function of endothelial progenitor cells in experimental Sepsis model. Mol Biol Rep 2023; 50:6643-6654. [PMID: 37358763 DOI: 10.1007/s11033-023-08522-1] [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: 11/30/2022] [Accepted: 05/12/2023] [Indexed: 06/27/2023]
Abstract
BACKGROUND Sepsis is a life-threatening disease with a limited effectiveness and the potential mechanism remains unclear. LncRNA NEAT-2 is reported to be involved in the regulation of cardiovascular disease. This study aimed to investigate the function of NEAT-2 in sepsis. METHODS We built sepsis animal model with Male Balb/C mice induced by cecal ligation and puncture (CLP). A total of 54 mice were randomly assigned into eight groups: sham operation group (n = 18), CLP group (n = 18), CLP plus si-control group (n = 3), CLP plus si-NEAT2 group (n = 3), CLP plus mimic control group (n = 3), CLP plus miR-320 group (n = 3), CLP plus normal saline group (n = 3), and normal control group (n = 3). The number of peripheral endothelial progenitor cells (EPCs), the expression level of NEAT-2 and miR-320 were detected during progression of sepsis, as well as the number of peripheral EPCs and level of TNF-α, IL-6, VEGF, ALT, AST and Cr. In addition, the function of EPCs was evaluated after NEAT-2 knockdown and miR-320 overexpression in vitro. RESULTS The number of circulating EPCs increased significantly in sepsis. NEAT-2 expression was significantly increased in the progress of sepsis, accompanied with miR-320 downregulated. NEAT-2 knockdown and miR-320 overexpression attenuated hepatorenal function and increased cytokines in sepsis. Moreover, NEAT-2 knockdown and miR-320 overexpression decreased the proliferation, migration and angiogenesis of endothelial progenitor cells in vitro. CONCLUSIONS LncRNA-NEAT2 regulated the number and function of endothelial progenitor cells via miR-320 in sepsis, which may contribute to the development of novel potential clinical therapy for sepsis.
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Affiliation(s)
- Xiao-Yi Yin
- Department of Gastrointestinal Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
- Department of Hepatobiliary Pancreatic Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Yu Liu
- Department of Gastroenterology, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, China
- Department of Pharmacology, College of Pharmacy, Naval Medical University, Shanghai, 200433, China
| | - Zheng-Mao Lu
- Department of Gastrointestinal Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Tao Pang
- Department of Gastrointestinal Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Hang-Tian Cui
- Department of Gastrointestinal Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Xu-Chao Xue
- Department of Gastrointestinal Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Guo-En Fang
- Department of Gastrointestinal Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Tian-Hang Luo
- Department of Gastrointestinal Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
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Yang B, Wang X, Liu Z, Lu Z, Fang G, Xue X, Luo T. Endothelial-Related Biomarkers in Evaluation of Vascular Function During Progression of Sepsis After Severe Trauma: New Potential Diagnostic Tools in Sepsis. J Inflamm Res 2023; 16:2773-2782. [PMID: 37435113 PMCID: PMC10332413 DOI: 10.2147/jir.s418697] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/03/2023] [Indexed: 07/13/2023] Open
Abstract
Purpose This study aimed to investigate the changes in endothelial-related biomarkers and their relationship with the incidence and prognosis of patients with sepsis after severe trauma. Methods A total of 37 severe trauma patients admitted to our hospital from Jan. to Dec. 2020 were enrolled in our research. All enrolled patients were divided into the sepsis and the non-sepsis groups. Endothelial progenitor cells (EPCs), circulating endothelial cells (CECs), and endothelial microparticles (EMPs) were detected on admission time; 24-48 hours and 48-72 hours after admission respectively. Demographic data, Acute Physiology, Chronic Health Evaluation (APACHE) II, and Sequential Organ Failure Assessment (SOFA) score were calculated every 24 h of admission to assess the severity of organ dysfunction. Receiver operating characteristic (ROC) curves were drawn to compare the areas under the curve (AUC) of endothelial-related biomarkers for the diagnosis of sepsis. Results The incidence rate of sepsis was 45.95% in all patients. The SOFA score in the sepsis group was significantly higher than that in the non-sepsis group (2 points vs 0 points, P<0.01). The number of EPCs, CECs, and EMPs all rose quickly in the early phase after trauma. The number of EPCs was similar in both groups, but the number of CECs and EMPs in the Sepsis Group was much higher than in the non-Sepsis Group (all P<0.01). Logistic regression analysis showed that the occurrence of sepsis was closely related to the expression of 0-24h CECs and 0-24h EMPs. The AUC ROC for CECs in different time periods were 0.815, 0.877, and 0.882, respectively (all P<0.001). The AUC ROC for EMPs in 0-24h was 0.868 (P=0.005). Conclusion The expression of EMPs was higher in early severe trauma, and high levels of EMPs were significantly higher in patients with early sepsis and poor prognosis.
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Affiliation(s)
- Biao Yang
- Department of General Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, People’s Republic of China
| | - Xiaoyong Wang
- Department of Gastrointestinal Surgery, People’s Hospital of Haimen City, Nantong, Jiangsu Province, 226100, People’s Republic of China
| | - Zhaorui Liu
- Department of General Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, People’s Republic of China
| | - Zhengmao Lu
- Department of General Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, People’s Republic of China
| | - Guoen Fang
- Department of General Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, People’s Republic of China
| | - Xuchao Xue
- Department of General Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, People’s Republic of China
| | - Tianhang Luo
- Department of General Surgery, Changhai Hospital, The Second Military Medical University, Shanghai, 200433, People’s Republic of China
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Effects of adipose-derived stromal cells and endothelial progenitor cells on adipose transplant survival and angiogenesis. PLoS One 2022; 17:e0261498. [PMID: 35025920 PMCID: PMC8758088 DOI: 10.1371/journal.pone.0261498] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 12/03/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND A paracrine mechanism is thought to mediate the proangiogenic capacity of adipose-derived stromal/stem cells (ASCs). However, the precise mechanism by which ASCs promote the formation of blood vessels by endothelial progenitor cells (EPCs) is unclear. METHODS The EPCs-ASCs cocultures prepared in different ratios were subjected to tube formations assay to verify whether ASCs could directly participate in the tube genesis. The supernatant from cultured ASCs was used to stimulate EPCs to evaluate the effects on the angiogenic property of EPCs, as well as capacity for migration and invasion. A coculture model with transwell chamber were used to explore the regulation of angiogenesis markers expression in EPCs by ASCs. We then mixed ASCs with EPCs and transplanted them with adipose tissue into nude mice to evaluate the effects on angiogenesis in adipose tissue grafts. RESULTS In the EPCs-ASCs cocultures, the tube formation was significantly decreased as the relative abundance of ASCs increased, while the ASCs was found to migrate and integrated into the agglomerates formed by EPCs. The supernatant from ASCs cultures promoted the migration and invasion of EPCs and the ability to form capillary-like structures. The expression of multiple angiogenesis markers in EPCs were significantly increased when cocultured with ASCs. In vivo, ASCs combined with EPC promoted vascularization in the fat transplant. Immunofluorescence straining of Edu and CD31 indicated that the Edu labeled EPC did not directly participate in the vascularization inside the fat tissue. CONCLUSIONS ADSC can participate in the tube formation of EPC although it cannot form canonical capillary structures. Meanwhile, Soluble factors secreted by ASCs promotes the angiogenic potential of EPCs. ASCs paracrine signaling appears to promote angiogenesis by increasing the migration and invasion of EPCs and simultaneously upregulating the expression of angiogenesis markers in EPCs. The results of in vivo experiments showed that ASCs combined with EPCs significantly promote the formation of blood vessels in the fat implant. Remarkably, EPCs may promote angiogenesis by paracrine regulation of endogenous endothelial cells (ECs) rather than direct participation in the formation of blood vessels.
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Potential Role of Caveolin-1 in Regulating the Function of Endothelial Progenitor Cells from Experimental MODS Model. Mediators Inflamm 2019; 2019:8297391. [PMID: 31148948 PMCID: PMC6501138 DOI: 10.1155/2019/8297391] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 02/27/2019] [Accepted: 03/14/2019] [Indexed: 01/04/2023] Open
Abstract
Multiple organ dysfunction syndrome (MODS) remains a great challenge in critical care because of its common occurrence, high cost of care, and high mortality. Vascular endothelial injury is the initiation step in the development of MODS, and EPCs are essential for the process of organ repair. It is unclear whether and how caveolin-1 (Cav-1) in EPCs contributes to the pathogenesis of MODS. The present study is aimed at investigating the potential role of Cav-1 in EPCs during MODS. We established a MODS model in pigs, isolated and characterized EPCs from the MODS model, and tracked Cav-1 expression and various in vitro behaviors of EPCs from the MODS model. Then, we knockdown Cav-1 expression with siRNA or induce Cav-1 expression with proinflammatory factors to evaluate potential effects on EPCs. Our results suggest that Cav-1 expression correlated with EPC functions during MODS and Cav-1 regulates the function of endothelial progenitor cells via PI3K/Akt/eNOS signaling during MODS. Thus, Cav-1 in EPCs could be an attractive target for the treatment of MODS.
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Xiao X, Li L, Xu S, Mao M, Pan R, Li Y, Wu J, Huang L, Zheng X. Evaluation of velvet antler total protein effect on bone marrow‑derived endothelial progenitor cells. Mol Med Rep 2017; 16:3161-3168. [PMID: 28714033 PMCID: PMC5547914 DOI: 10.3892/mmr.2017.7019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 07/03/2017] [Indexed: 01/25/2023] Open
Abstract
Lu Rong, velvet antler (VA), is a traditional Chinese medicine, which is used as a food supplement and therapeutic drug in China, Japan, Russia, New Zealand and Southeast Asia. The regenerative characteristics of VA have resulted in great research interest, particularly regarding the fields of organ grafting and stem cell differentiation. Various VA proteomic studies verified that proteins act as the primary bioactive components of VA. The present study aimed to investigate if VA proteins (VA-pro) influence endothelial progenitor cell (EPC) viability. Various methods have previously been used to investigate VA-pro, including freeze-drying technology, ultrasonic wave methods, high performance liquid chromatography-mass spectrometry, EPCs extraction and culture. Results demonstrated that VA-pro promoted EPCs proliferation and migration, particularly at a concentration of 1 mg/ml. Furthermore, VA-pro increased the activation level of Notch1 intracellular domain and Hes1, and the level of phosphorylated-Akt and phosphorylated-mechanistic target of rapamycin. VA-pro may therefore affect EPC viability via regulation of the Notch and Akt signaling pathways. The present study revealed the effects and potential molecular mechanism of VA-pro on EPCs, and suggested an association between VA regeneration characteristics and the optimization of EPC viability. These findings may contribute to EPC transplantation research and aid in providing a novel treatment method for vascular diseases in the future.
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Affiliation(s)
- Xiang Xiao
- Graduate School, Beijing University of Chinese Medicine, Beijing 100029, P.R. China
| | - Lin Li
- National Integrated Traditional and Western Medicine Center for Cardiovascular Disease, China‑Japan Friendship Hospital, Beijing 100029, P.R. China
| | - Shuqiang Xu
- Emergency Office, National Health and Family Planning Commission of the People's Republic of China, Beijing 100044, P.R. China
| | - Min Mao
- Pharmaceutical Department, China‑Japan Friendship Hospital, Beijing 100029, P.R. China
| | - Ruiyan Pan
- Department of Pharmacology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing 100029, P.R. China
| | - Yanjun Li
- Graduate School, Beijing University of Chinese Medicine, Beijing 100029, P.R. China
| | - Jiayun Wu
- Graduate School, Beijing University of Chinese Medicine, Beijing 100029, P.R. China
| | - Li Huang
- National Integrated Traditional and Western Medicine Center for Cardiovascular Disease, China‑Japan Friendship Hospital, Beijing 100029, P.R. China
| | - Xiaoyun Zheng
- Department of Senior Official Ward, China‑Japan Friendship Hospital, Beijing 100029, P.R. China
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Thurairajah K, Broadhead ML, Balogh ZJ. Trauma and Stem Cells: Biology and Potential Therapeutic Implications. Int J Mol Sci 2017; 18:ijms18030577. [PMID: 28272352 PMCID: PMC5372593 DOI: 10.3390/ijms18030577] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 03/01/2017] [Accepted: 03/02/2017] [Indexed: 12/11/2022] Open
Abstract
Trauma may cause irreversible tissue damage and loss of function despite current best practice. Healing is dependent both on the nature of the injury and the intrinsic biological capacity of those tissues for healing. Preclinical research has highlighted stem cell therapy as a potential avenue for improving outcomes for injuries with poor healing capacity. Additionally, trauma activates the immune system and alters stem cell behaviour. This paper reviews the current literature on stem cells and its relevance to trauma care. Emphasis is placed on understanding how stem cells respond to trauma and pertinent mechanisms that can be utilised to promote tissue healing. Research involving notable difficulties in trauma care such as fracture non-union, cartilage damage and trauma induced inflammation is discussed further.
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Affiliation(s)
- Kabilan Thurairajah
- School of Medicine and Public Health, University of Newcastle, Callaghan, NSW 2308, Australia.
- Department of Traumatology, John Hunter Hospital, New Lambton Heights, NSW 2305, Australia.
| | - Matthew L Broadhead
- School of Medicine and Public Health, University of Newcastle, Callaghan, NSW 2308, Australia.
- Department of Traumatology, John Hunter Hospital, New Lambton Heights, NSW 2305, Australia.
| | - Zsolt J Balogh
- School of Medicine and Public Health, University of Newcastle, Callaghan, NSW 2308, Australia.
- Department of Traumatology, John Hunter Hospital, New Lambton Heights, NSW 2305, Australia.
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Ma XY, Tian LX, Liang HP. Early prevention of trauma-related infection/sepsis. Mil Med Res 2016; 3:33. [PMID: 27833759 PMCID: PMC5101695 DOI: 10.1186/s40779-016-0104-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Accepted: 10/20/2016] [Indexed: 01/09/2023] Open
Abstract
Trauma still represents one of the major causes of death worldwide. Despite the reduction of post-traumatic sepsis over the past two decades, the mortality of septic trauma inpatients is still high (19.5-23 %). Early prevention of sepsis development can aid in the subsequent treatment of patients and help improve their outcomes. To date, the prevention of trauma-related infection/sepsis has mainly included infection prevention (e.g., surgical management, prophylactic antibiotics, tetanus vaccination, immunomodulatory interventions) and organ dysfunction prevention (e.g., pharmaceuticals, temporary intravascular shunts, lung-protective strategies, enteral immunonutrition, acupuncture). Overall, more efficient ways should be developed to prevent trauma-related infection/sepsis.
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Affiliation(s)
- Xiao-Yuan Ma
- State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing, 400042 China
| | - Li-Xing Tian
- State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing, 400042 China
| | - Hua-Ping Liang
- State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing, 400042 China
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