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Liu WS, Chen Z, Lu ZM, Dong JH, Wu JH, Gao J, Deng D, Li M. Multifunctional hydrogels based on photothermal therapy: A prospective platform for the postoperative management of melanoma. J Control Release 2024; 371:406-428. [PMID: 38849093 DOI: 10.1016/j.jconrel.2024.06.001] [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: 12/20/2023] [Revised: 03/22/2024] [Accepted: 06/01/2024] [Indexed: 06/09/2024]
Abstract
Preventing the recurrence of melanoma after surgery and accelerating wound healing are among the most challenging aspects of melanoma management. Photothermal therapy has been widely used to treat tumors and bacterial infections and promote wound healing. Owing to its efficacy and specificity, it may be used for postoperative management of tumors. However, its use is limited by the uncontrollable distribution of photosensitizers and the likelihood of damage to the surrounding normal tissue. Hydrogels provide a moist environment with strong biocompatibility and adhesion for wound healing owing to their highly hydrophilic three-dimensional network structure. In addition, these materials serve as excellent drug carriers for tumor treatment and wound healing. It is possible to combine the advantages of both of these agents through different loading modalities to provide a powerful platform for the prevention of tumor recurrence and wound healing. This review summarizes the design strategies, research progress and mechanism of action of hydrogels used in photothermal therapy and discusses their role in preventing tumor recurrence and accelerating wound healing. These findings provide valuable insights into the postoperative management of melanoma and may guide the development of promising multifunctional hydrogels for photothermal therapy.
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Affiliation(s)
- Wen-Shang Liu
- Department of Dermatology, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai 200127, People's Republic of China
| | - Zhuo Chen
- Department of Dermatology, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai 200127, People's Republic of China
| | - Zheng-Mao Lu
- Department of Gastrointestinal Surgery, Shanghai Changhai Hospital, Naval Medical University, Shanghai 200433, People's Republic of China
| | - Jin-Hua Dong
- Women and Children Hospital Affiliated to Jiaxing University, 2468 Middle Ring Eastern Road, Jiaxing City, Zhejiang 314000, People's Republic of China
| | - Jin-Hui Wu
- Ophthalmology Department of the Third Affiliated Hospital of Naval Medical University, Shanghai 201805, People's Republic of China.
| | - Jie Gao
- Changhai Clinical Research Unit, The First Affiliated Hospital of Naval Medical University, Shanghai 200433, People's Republic of China; Shanghai Key Laboratory of Nautical Medicine and Translation of Drugs and Medical Devices, Shanghai 200433, People's Republic of China.
| | - Dan Deng
- Department of Dermatology, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai 200127, People's Republic of China.
| | - Meng Li
- Department of Dermatology, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai 200127, People's Republic of China.
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Di Salvo E, Di Gioacchino M, Tonacci A, Casciaro M, Gangemi S. Alarmins, COVID-19 and comorbidities. Ann Med 2021; 53:777-785. [PMID: 34042528 PMCID: PMC8168739 DOI: 10.1080/07853890.2021.1921252] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/16/2021] [Indexed: 02/07/2023] Open
Abstract
The coronavirus SARS-CoV-2, the aetiological agent of COVID-19 disease, is representing a worldwide threat for the medical community and the society at large so that it is being defined as "the twenty-first-century disease". Often associated with a severe cytokine storm, leading to more severe cases, it is mandatory to block such occurrence early in the disease course, to prevent the patients from having more severe, sometimes fatal, outcomes. In this framework, early detection of "danger signals", possibly represented by alarmins, can represent one of the most promising strategies to effectively tailor the disease and to better understand the underlying mechanisms eventually leading to death or severe consequences. In light of such considerations, the present article aims at evaluating the role of alarmins in patients affected by COVID-19 disease and the relationship of such compounds with the most commonly reported comorbidities. The conducted researches demonstrated yet poor literature on this specific topic, however preliminarily confirming a role for danger signals in the amplification of the inflammatory reaction associated with SARS-CoV-2 infection. As such, a number of chronic conditions, including metabolic syndrome, gastrointestinal and respiratory diseases, in turn, associated with higher levels of alarmins, both foster the infection and predispose to a worse prognosis. According to these preliminary data, prompt detection of high levels of alarmins in patients with COVID-19 and co-morbidities could suggest an immediate intense anti-inflammatory treatment.Key messageAlarmins have a role in the amplification of the inflammatory reaction associated with SARS-CoV-2 infectiona prompt detection of high levels of alarmins in patients with COVID-19 could suggest an immediate intense anti-inflammatory treatment.
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Affiliation(s)
- Eleonora Di Salvo
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Mario Di Gioacchino
- Center for Advanced Studies and Technology, G. d’Annunzio University, Chieti, Italy
- YDA – Institute for Clinical Immunotherapy and Advanced Biological Treatments, Pescara, Italy
| | - Alessandro Tonacci
- National Research Council of Italy (IFC-CNR), Clinical Physiology Institute, Pisa, Italy
| | - Marco Casciaro
- Department of Clinical and Experimental Medicine, Unit and School of Allergy and Clinical Immunology, University of Messina, Messina
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, Unit and School of Allergy and Clinical Immunology, University of Messina, Messina
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Handayani W, Suharjono, Yogiarto M. Analysis of HMGB-1 level before and after providing atorvastatin standard therapy in coronary artery disease patients with type-2 diabetes mellitus compared to without type-2 diabetes mellitus. J Basic Clin Physiol Pharmacol 2021; 32:439-446. [PMID: 34214372 DOI: 10.1515/jbcpp-2020-0442] [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: 12/31/2020] [Accepted: 04/08/2021] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Coronary artery disease (CAD) is one of the main causes of death from cardiovascular disease, because heart attacks result in atherosclerosis which causes narrowing of the arteries. Atorvastatin has a pleiotropic effect as anti-inflammatory through one of the target levels of High Mobility Group Box-1 (HMGB-1). This prospective observational study aimed to analyze the effect of atorvastatin on serum HMGB-1 levels in CAD. METHODS Samples were collected from prospective observation pre-post study in May-July 2018 with consecutive sampling method. Serum HMGB-1 levels were measured in patients with CAD who were given atorvastatin for CAD with type-2 diabetes mellitus compared without type-2 diabetes mellitus in a patient ward. Blood was collected on admission day and before the patient left the hospital. After centrifugation, serum samples were stored at -80 °C before measurement. We used an ELISA kit (IBL International) to determine HMGB-1 concentrations. This research protocol has been approved by the Ethical Committee of Dr. Soetomo General Hospital, Surabaya. RESULTS We enrolled 38 patients and divided them into two groups which 19 patients on CAD with type-2 diabetes mellitus and 19 patients without diabetes mellitus. Serum HMGB-1 levels in CAD with type-2 diabetes mellitus were increased significantly (p = 0.049) and not significantly decreased in CAD without type-2 diabetes mellitus (p = 0.480). The HMGB-1 level was not significantly different between the two groups (p = 0.210). CONCLUSIONS HMGB-1 levels after providing atorvastatin in CAD with type-2 diabetes mellitus increased significantly, meanwhile, in CAD without type-2 diabetes mellitus did not decrease significantly. The HMGB-1 level was not significantly different between the two groups. Longer time and more point for the collected sample needed for further research.
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Affiliation(s)
| | - Suharjono
- Department of Clinical Pharmacy, Faculty of Pharmacy,Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Mohammad Yogiarto
- Cardiovascular, Department of Cardiology, Faculty of Medicine, Universitas Airlangga, Surabaya, East Java, Indonesia
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Frisardi V, Matrone C, Street ME. Metabolic Syndrome and Autophagy: Focus on HMGB1 Protein. Front Cell Dev Biol 2021; 9:654913. [PMID: 33912566 PMCID: PMC8072385 DOI: 10.3389/fcell.2021.654913] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 03/18/2021] [Indexed: 12/11/2022] Open
Abstract
Metabolic syndrome (MetS) affects the population worldwide and results from several factors such as genetic background, environment and lifestyle. In recent years, an interplay among autophagy, metabolism, and metabolic disorders has become apparent. Defects in the autophagy machinery are associated with the dysfunction of many tissues/organs regulating metabolism. Metabolic hormones and nutrients regulate, in turn, the autophagy mechanism. Autophagy is a housekeeping stress-induced degradation process that ensures cellular homeostasis. High mobility group box 1 (HMGB1) is a highly conserved nuclear protein with a nuclear and extracellular role that functions as an extracellular signaling molecule under specific conditions. Several studies have shown that HMGB1 is a critical regulator of autophagy. This mini-review focuses on the involvement of HMGB1 protein in the interplay between autophagy and MetS, emphasizing its potential role as a promising biomarker candidate for the early stage of MetS or disease's therapeutic target.
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Affiliation(s)
- Vincenza Frisardi
- Clinical and Nutritional Laboratory, Department of Geriatric and NeuroRehabilitation, Arcispedale Santa Maria Nuova (AUSL-IRCCS), Reggio Emilia, Italy
| | - Carmela Matrone
- Division of Pharmacology, Department of Neuroscience, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Maria Elisabeth Street
- Division of Paediatric Endocrinology and Diabetology, Paediatrics, Department of Mother and Child, Arcispedale Santa Maria Nuova (AUSL-IRCCS), Reggio Emilia, Italy
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Chou YE, Yang PJ, Lin CY, Chen YY, Chiang WL, Lin PX, Huang ZY, Huang M, Ho YC, Yang SF. The Impact of HMGB1 Polymorphisms on Prostate Cancer Progression and Clinicopathological Characteristics. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17197247. [PMID: 33023053 PMCID: PMC7579148 DOI: 10.3390/ijerph17197247] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/24/2020] [Accepted: 10/01/2020] [Indexed: 02/06/2023]
Abstract
Prostate cancer is one of the major cancers of the genitourinary tract. High-mobility group box 1 (HMGB1) was suggested as a promising therapeutic target for prostate cancer. In this study, we aim to elucidate the associations of HMGB1 single nucleotide polymorphisms (SNPs) with prostate cancer susceptibility and clinicopathological characteristics. The HMGB1 SNPs rs1412125, rs2249825, rs1045411, and rs1360485 in 579 prostate cancer patients and 579 cancer-free controls were analyzed with real-time polymerase chain reactions (real-time PCR). All of the data were evaluated with SAS statistical software. Our results showed that the HMGB1 rs1045411 T allele genotype was significantly associated with advanced pathologic T stage (odds ratio (OR) = 1.433, 95% confidence interval (CI) = 1.021–2.012; p = 0.037) and pathologic N1 stage (OR = 2.091, 95% CI = 1.160–3.767; p = 0.012), and the rs1360485 polymorphic CT + TT genotype was associated with pathologic Gleason grade group (4 + 5) (OR = 1.583, 95% CI = 1.017–2.462; p = 0.041), pathologic T stage (3 + 4) (OR = 1.482, 95% CI = 1.061–2.070; p = 0.021), and pathologic N1 stage (OR = 2.131, 95% CI = 1.178–3.852; p = 0.011) compared with their wild-type carriers. In conclusion, our results revealed that the HMGB1 SNPs were associated with the clinical status of prostate cancer. The HMGB1 SNPs may have the potential to predict prostate cancer disease progression.
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Affiliation(s)
- Ying-Erh Chou
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan; (Y.-E.C.); (P.-J.Y.)
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Po-Jen Yang
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan; (Y.-E.C.); (P.-J.Y.)
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
- Department of Family and Community Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Chia-Yen Lin
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
- Division of Urology, Department of Surgery, Taichung Veterans General Hospital, Taichung 407, Taiwan
| | - Yen-Yu Chen
- School of Medical Applied Chemistry, Chung Shan Medical University, Taichung 402, Taiwan;
| | - Whei-Ling Chiang
- School of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung 402, Taiwan; (W.-L.C.); (P.-X.L.); (Z.-Y.H.)
| | - Pei-Xuan Lin
- School of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung 402, Taiwan; (W.-L.C.); (P.-X.L.); (Z.-Y.H.)
| | - Zih-Yun Huang
- School of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung 402, Taiwan; (W.-L.C.); (P.-X.L.); (Z.-Y.H.)
| | - Matthew Huang
- White Oaks Secondary School, Oakville, ON L6H 1Z5, Canada;
| | - Yung-Chuan Ho
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medical Applied Chemistry, Chung Shan Medical University, Taichung 402, Taiwan;
- Correspondence: (Y.-C.H.); (S.-F.Y.)
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- Correspondence: (Y.-C.H.); (S.-F.Y.)
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Hebbel RP, Wei P, Milbauer L, Corban MT, Solovey A, Kiley J, Pattee J, Lerman LO, Pan W, Lerman A. Abnormal Endothelial Gene Expression Associated With Early Coronary Atherosclerosis. J Am Heart Assoc 2020; 9:e016134. [PMID: 32673514 PMCID: PMC7660702 DOI: 10.1161/jaha.120.016134] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background We examined feasibility of a unique approach towards gaining insight into heritable risk for early atherosclerosis: surveying gene expression by endothelial cells from living subjects. Methods and Results Subjects aged <50 years (mean age, 37; range, 22-49) without obstructive coronary artery disease underwent coronary reactivity testing that identified them as having normal or abnormal coronary endothelial function. Cultures of Blood Outgrowth Endothelial Cells (BOEC) from 6 normal and 13 abnormal subjects passed rigorous quality control and were used for microarray assessment of gene expression. Of 9 genes differentially expressed at false discovery rate <0.1%, we here focus upon abnormal subjects having elevated expression of HMGB1 (high mobility group box 1) which we unexpectedly found to be linked to low LAMC1 (laminin gamma 1) expression. This linkage was corroborated by 3 of our past studies and confirmed bio-functionally. Compared with normal BOEC, abnormal BOEC released 13±3-fold more HMGB1 in response to lipopolysaccharide; and they deposited one tenth as much LAMC1 into collagen subendothelial matrix during culture. Clinical follow-up data are provided for 4 normal subjects (followed 13.4±0.1 year) and for 12 abnormal subjects (followed 9.1±4.5 years). Conclusions The known pathogenic effects of high-HMGB1 and low-LAMC1 predict that the combination would biologically converge upon the focal adhesion complex, to the detriment of endothelial shear responsiveness. This gene expression pattern may comprise a heritable risk state that promotes early coronary atherosclerosis. If so, the testing could be applied even in childhood, enabling early intervention. This approach offers a way to bridge the information gap between genetics and clinical phenotype.
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Affiliation(s)
- Robert P Hebbel
- Division of Hematology-Oncology-Transplantation Department of Medicine, and Vascular Biology Center University of Minnesota Medical School Minneapolis MN
| | - Peng Wei
- Division of Hematology-Oncology-Transplantation Department of Medicine, and Vascular Biology Center University of Minnesota Medical School Minneapolis MN.,Division of Biostatistics School of Public Health University of Minnesota Minneapolis MN
| | - Liming Milbauer
- Division of Hematology-Oncology-Transplantation Department of Medicine, and Vascular Biology Center University of Minnesota Medical School Minneapolis MN
| | - Michel T Corban
- Department of Cardiovascular Diseases Mayo Clinic College of Medicine and Science Rochester MN
| | - Anna Solovey
- Division of Hematology-Oncology-Transplantation Department of Medicine, and Vascular Biology Center University of Minnesota Medical School Minneapolis MN
| | - James Kiley
- Division of Hematology-Oncology-Transplantation Department of Medicine, and Vascular Biology Center University of Minnesota Medical School Minneapolis MN
| | - Jack Pattee
- Division of Biostatistics School of Public Health University of Minnesota Minneapolis MN
| | - Lilach O Lerman
- Department of Cardiovascular Diseases Mayo Clinic College of Medicine and Science Rochester MN.,Division of Nephrology and Hypertension Department of Medicine Mayo Clinic College of Medicine and Science Rochester MN
| | - Wei Pan
- Division of Biostatistics School of Public Health University of Minnesota Minneapolis MN
| | - Amir Lerman
- Department of Cardiovascular Diseases Mayo Clinic College of Medicine and Science Rochester MN
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Street ME. HMGB1: A Possible Crucial Therapeutic Target for COVID-19? Horm Res Paediatr 2020; 93:73-75. [PMID: 32375153 PMCID: PMC7251586 DOI: 10.1159/000508291] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 04/28/2020] [Indexed: 12/11/2022] Open
Affiliation(s)
- Maria Elisabeth Street
- Division of Paediatric Endocrinology and Diabetology and Research Laboratory, Department of Mother and Child, Paediatrics, AUSL-IRCCS di Reggio Emilia, Reggio Emilia, Italy,
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Associations between HMGB1 gene polymorphisms and susceptibility and clinical outcomes in Chinese Han sepsis patients. Gene 2018; 687:23-29. [PMID: 30423384 DOI: 10.1016/j.gene.2018.11.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 10/02/2018] [Accepted: 11/08/2018] [Indexed: 01/27/2023]
Abstract
OBJECTIVES High mobility group box 1 protein (HMGB1) is an important late inflammatory mediator in the body. In recent years, studies have found that it plays an important pathogenic role in various diseases such as sepsis. However, it is unclear whether the genetic variation of the HMGB1 gene is related to the susceptibility to sepsis. This study investigated the relationship between susceptibility and outcome of the HMGB1 gene rs2249825, rs1045411, and rs1360485 single nucleotide polymorphisms (SNPs) in Chinese Han patients with sepsis. METHODS The HMGB1 gene rs2249825, rs1045411, and rs1360485 genotypes were detected by the direct sequencing method in 345 patients with sepsis and 345 healthy controls. Serum HMGB1 levels were measured by enzyme-linked immunosorbent assay (ELISA). RESULTS The HMGB1 gene rs2249825 and rs1045411 site SNPs were associated with sepsis risk, but the rs1360485 site SNP was not associated with sepsis risk. Subjects with the HMGB1 gene rs2249825 and rs1045411 site mutations had higher serum HMGB1 levels, and patients with mutant genotype sepsis had higher APACHE II scores and lower 30-day survival rates. There were no correlations among the rs1360485 site SNP, sepsis risk, and patient 30-day survival. CONCLUSION The HMGB1 gene rs2249825 and rs1045411 site SNPs are associated with susceptibility and outcomes of Chinese Han patients with sepsis. The rs2249825 locus C allele and the rs1045411 locus A allele are high risk factors for sepsis and severity in the Chinese Han population, and are associated with adverse outcomes in patients with sepsis.
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High-mobility group box 1 protein (HMGB1) gene polymorphisms and cancer susceptibility: A comprehensive meta-analysis. Clin Chim Acta 2018; 483:170-182. [PMID: 29730397 DOI: 10.1016/j.cca.2018.04.042] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/30/2018] [Accepted: 04/30/2018] [Indexed: 02/07/2023]
Abstract
AIM The role of HMGB1 polymorphisms in cancer predisposition remains unclear. This meta-analysis was performed assess four HMGB1 polymorphisms (rs1045411, rs2249825, rs1360485 and rs1412125) in cancer risk. METHODS We searched published studies till January 2018 from EMBASE, PubMed, Google scholar, and Cochrane library. Thereafter, the statistical software "R" was used to calculate Pooled Odds Ratios (OR), and 95% confidence intervals (CI) for assessment of association between different HMGB1 polymorphisms and cancer risk. RESULT In this meta-analysis we used eight studies totaling 7017 subjects. HMGB1 rs1045411 polymorphism in recessive model (OR 1.4159, 95% CI 0.9197-2.1798, P = 0.1142) and homozygous model (OR 1.4157, 95% CI 0.8711-2.3006, P = 0.1606) emerged as a risk factor for cancer development. Dominant model in rs2249825 polymorphism (OR: 0.8954) and rs1412125 polymorphism (OR: 0.9029) emerged as protective factors. Statistical significance was not achieved for any genetic model. Begg's test and Egger's test for all analysis suggested no publication bias. CONCLUSION This is the first meta-analysis exploring the association of four HMGB1 polymorphisms with cancer. Although polymorphism rs1045411 emerged as a risk candidate, additional studies are suggested to confirm these findings.
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Li Y, Zhu J, Chen L, Hu W, Wang M, Li S, Gu X, Tao H, Zhao B, Ma G, Li K. Genetic predisposition to ischaemic stroke by RAGE and HMGB1 gene variants in Chinese Han population. Oncotarget 2017; 8:100150-100164. [PMID: 29245967 PMCID: PMC5725009 DOI: 10.18632/oncotarget.22112] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 09/20/2017] [Indexed: 11/25/2022] Open
Abstract
Emerging evidence suggests that the multiligand receptor for advanced glycation end products (RAGE) and its ligand high mobility group box 1 protein (HMGB1) contribute to the pathophysiology of ischaemic stroke (IS). The present study aimed to investigate the association of RAGE and HMGB1 variants with the risk of IS. A total of 1,034 patients and 1,015 age- and sex-matched healthy controls were genotyped to detect five genetic variants of the RAGE gene and four genetic variants of the HMGB1 gene using the Multiplex SNaPshot assay. We found that the rs2070600 variant of RAGE was associated with an increased risk of IS (OR = 1.19, 95% CI: 1.02-1.38, P = 0.043), whereas the rs2249825 variant of HMGB1 was associated with a decreased risk of IS (OR = 0.83, 95% CI: 0.71-0.98, P = 0.041). Further stratification by IS subtypes revealed that the presence of the TT genotype of the RAGE rs2070600 variant confers a higher risk of the large artery atherosclerosis subtype of IS (P = 0.036). Moreover, patients with the variant T allele of the RAGE rs2070600 variant presented with reduced serum soluble RAGE production. Patients carrying the variant G allele of the HMGB1 rs2249825 variant exhibited significantly lower infarct volumes than those with the major CC genotype. These clues may help in the development of optimal personalized therapeutic approaches for IS patients.
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Affiliation(s)
- You Li
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China.,Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, China
| | - Jing Zhu
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Linfa Chen
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Weidong Hu
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Mengxu Wang
- Department of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Shengnan Li
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Xuefeng Gu
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Hua Tao
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Bin Zhao
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Guoda Ma
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China
| | - Keshen Li
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China.,Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524001, China
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Wang Y, Song E, Bai B, Vanhoutte PM. Toll-like receptors mediating vascular malfunction: Lessons from receptor subtypes. Pharmacol Ther 2015; 158:91-100. [PMID: 26702901 DOI: 10.1016/j.pharmthera.2015.12.005] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Toll-like receptors (TLR) are a subfamily of pattern recognition receptors (PRR) implicated in a variety of vascular abnormalities. However, the pathophysiological role and the interplay between different TLR-mediated innate and adaptive immune responses during the development of vascular diseases remain largely unspecified. TLR are widely distributed in both immune and nonimmune cells in the blood vessel wall. The expressions and locations of TLR are dynamically regulated in response to distinct molecular patterns derived from pathogens or damaged host cells. As a result, the outcome of TLR signaling is agonist- and cell type-dependent. A better understanding of discrete TLR signaling pathways in the vasculature will provide unprecedented opportunities for the discovery of novel therapies in many inflammatory vascular diseases. The present brief review discusses the role of individual TLR in controlling cellular functions of the vascular system, by focusing on the inflammatory responses within the blood vessel wall which contribute to the development of hypertension and atherosclerosis.
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Affiliation(s)
- Yu Wang
- State Key Laboratory of Pharmaceutical Biotechnology and Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China.
| | - Erfei Song
- State Key Laboratory of Pharmaceutical Biotechnology and Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China
| | - Bo Bai
- State Key Laboratory of Pharmaceutical Biotechnology and Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China
| | - Paul M Vanhoutte
- State Key Laboratory of Pharmaceutical Biotechnology and Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China.
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Schneider S, Hoppmann P, Koch W, Kemmner S, Schmaderer C, Renders L, Kastrati A, Laugwitz KL, Heemann U, Baumann M. Obesity-associated hypertension is ameliorated in patients with TLR4 single nucleotide polymorphism (SNP) rs4986790. JOURNAL OF INFLAMMATION-LONDON 2015; 12:57. [PMID: 26435700 PMCID: PMC4591702 DOI: 10.1186/s12950-015-0100-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 08/31/2015] [Indexed: 11/21/2022]
Abstract
Background Obesity is strongly associated with hypertension. Despite numerous mechanistic links the association is not fully understood. Western diet increases uptake of Toll-Like receptor 4 (TLR4) ligands such as free fatty acids or endotoxin. We recently demonstrated that TLR4 ligands are involved in the development of hypertension. We hypothesized that TLR4 ligands are involved in obesity-associated hypertension and investigated the TLR4 single nucleotide polymorphism (SNP rs 498790). This SNP is frequent, associated with cardiovascular disease and characterized by blunted response upon exposure to TLR4 ligands. Methods We investigated 3657 patients undergoing coronary angiography. Blood pressure was determined in standardized manner prior angiography. The diagnosis of hypertension was based on record data. Patients were characterized for TLR4 single nucleotide polymorphism (SNP) rs4986790. Patients were stratified according to quartiles of Body mass index (BMI) and according to the polymorphism. The association between the TLR4 polymorphism and blood pressure in obese patients (BMI > 30 kg/m2) was investigated by multivariate regression analysis. Results Out of 3657 patients 3017 patients fulfilled inclusion criteria. In the whole cohort a significant increase of SBP, pulse pressure and diagnosis of hypertension was observed across BMI quartiles. By contrast, no significant increase of SBP, pulse pressure or diagnosis of hypertension was observed in the 319 cases with TLR4 SNP rs4986790 across BMI quartiles. These obese cases had significantly lower SBP, lower pulse pressure (7.0 and 7.6 mmHg) and less diagnosis of hypertension as controls. In obesity the TLR4 SNP rs4986790 was an independent predictor of SBP. Conclusion Systolic blood pressure increase with obesity was blunted in cases with TLR4 SNP rs4986790.
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Affiliation(s)
- Simon Schneider
- I. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technical University Munich, Munich, Germany
| | - Petra Hoppmann
- I. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technical University Munich, Munich, Germany
| | - Werner Koch
- Deutsches Herzzentrum München, Technical University Munich, Munich, Germany
| | - Stephan Kemmner
- Department of Nephrology, Klinikum rechts der Isar, Technical University Munich, Ismaninger St. 22, 81675 Munich, Germany
| | - Christoph Schmaderer
- Department of Nephrology, Klinikum rechts der Isar, Technical University Munich, Ismaninger St. 22, 81675 Munich, Germany
| | - Lutz Renders
- Department of Nephrology, Klinikum rechts der Isar, Technical University Munich, Ismaninger St. 22, 81675 Munich, Germany
| | - Adnan Kastrati
- Deutsches Herzzentrum München, Technical University Munich, Munich, Germany.,German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany
| | - Karl-Ludwig Laugwitz
- I. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technical University Munich, Munich, Germany.,German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany
| | - Uwe Heemann
- Department of Nephrology, Klinikum rechts der Isar, Technical University Munich, Ismaninger St. 22, 81675 Munich, Germany
| | - Marcus Baumann
- Department of Nephrology, Klinikum rechts der Isar, Technical University Munich, Ismaninger St. 22, 81675 Munich, Germany
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High mobility group box 1 protein polymorphism affects susceptibility to recurrent pregnancy loss by up-regulating gene expression in chorionic villi. J Assist Reprod Genet 2015; 32:1123-8. [PMID: 25956264 DOI: 10.1007/s10815-015-0493-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 04/27/2015] [Indexed: 02/06/2023] Open
Abstract
PURPOSE Inflammation in chorionic villi is involved in the development of recurrent pregnancy loss (RPL). High mobility group box 1 protein (HMGB1) plays critical roles in inflammation and expression of the protein can be found in chorionic villi. The purpose of the study was to investigate the association between HMGB1 genetic polymorphisms and susceptibility to RPL and to examine the mechanism underlying this correlation. METHODS Two HMGB1 polymorphisms, rs2249825C/G and rs1412125T/C, were examined in 112 RPL patients and 118 healthy controls by the polymerase chain reaction-restriction fragment length polymorphism assay. RESULTS Percentage of rs2249825GG was significantly increased in patients than in controls (Odd ratio [OR] =2.33, 95 % confidence interval [CI]: 1.18-4.58, P = 0.013). Also, prevalence of rs2249825G allele was significantly higher in RPL cases (OR = 1.77, 95 % CI: 1.20-2.62, P = 0.004). Function analysis of rs2249825C/G revealed that the polymorphism did not affect serum level of HMGB1. Interestingly, we found significantly increased level of HMGB1 in chorionic villi from RPL patients. Moreover, patients with rs2249825GG genotype presented significantly elevated level of HMGB1 in chorionic villi compared to those with CG or CC genotypes. CONCLUSIONS These results suggest that HMGB1 rs2249825C/G polymorphism is associated with increased risk of RPL and can elevate gene expression in chorionic villi.
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Anders HJ, Baumann M, Tripepi G, Mallamaci F. Immunity in arterial hypertension: associations or causalities? Nephrol Dial Transplant 2015; 30:1959-64. [PMID: 25762356 DOI: 10.1093/ndt/gfv057] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 02/05/2015] [Indexed: 12/20/2022] Open
Abstract
Numerous studies describe associations between markers of inflammation and arterial hypertension (aHT), but does that imply causality? Interventional studies that reduce blood pressure reduced also markers of inflammation, but does immunosuppression improve hypertension? Here, we review the available mechanistic data. Aberrant immunity can trigger endothelial dysfunction but is hardly ever the primary cause of aHT. Innate and adaptive immunity get involved once hypertension has caused vascular wall injury as immunity is a modifier of endothelial dysfunction and vascular wall remodelling. As vascular remodelling progresses, immunity-related mechanisms can become significant cofactors for cardiovascular (CV) disease progression; vice versa, suppressing immunity can improve hypertension and CV outcomes. Innate and adaptive immunity both contribute to vascular wall remodelling. Innate immunity is driven by danger signals that activate Toll-like receptors and other pattern-recognition receptors. Adaptive immunity is based on loss of tolerance against vascular autoantigens and includes autoreactive T-cell immunity as well as non-HLA angiotensin II type 1 receptor-activating autoantibodies. Such processes involve numerous other modulators such as regulatory T cells. Together, immunity is not causal for hypertension but rather an important secondary pathomechanism and a potential therapeutic target in hypertension.
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Affiliation(s)
- Hans-Joachim Anders
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Munich, Germany
| | - Marcus Baumann
- Department of Nephrology, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Giovanni Tripepi
- Nephrology, Dialysis and Transplantation Unit & CNR-IFC, Clinical Epidemiology and Physiopathology of Renal Disease and Hypertension of Reggio Calabria, Reggio Calabria, Italy
| | - Francesca Mallamaci
- Nephrology, Dialysis and Transplantation Unit & CNR-IFC, Clinical Epidemiology and Physiopathology of Renal Disease and Hypertension of Reggio Calabria, Reggio Calabria, Italy
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