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Vaheri A, Smura T, Vauhkonen H, Hepojoki J, Sironen T, Strandin T, Tietäväinen J, Outinen T, Mäkelä S, Pörsti I, Mustonen J. Puumala Hantavirus Infections Show Extensive Variation in Clinical Outcome. Viruses 2023; 15:v15030805. [PMID: 36992513 PMCID: PMC10054505 DOI: 10.3390/v15030805] [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: 02/27/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 03/31/2023] Open
Abstract
The clinical outcome of Puumala hantavirus (PUUV) infection shows extensive variation, ranging from inapparent subclinical infection (70-80%) to severe hemorrhagic fever with renal syndrome (HFRS), with about 0.1% of cases being fatal. Most hospitalized patients experience acute kidney injury (AKI), histologically known as acute hemorrhagic tubulointerstitial nephritis. Why this variation? There is no evidence that there would be more virulent and less virulent variants infecting humans, although this has not been extensively studied. Individuals with the human leukocyte antigen (HLA) alleles B*08 and DRB1*0301 are likely to have a severe form of the PUUV infection, and those with B*27 are likely to have a benign clinical course. Other genetic factors, related to the tumor necrosis factor (TNF) gene and the C4A component of the complement system, may be involved. Various autoimmune phenomena and Epstein-Barr virus infection are associated with PUUV infection, but hantavirus-neutralizing antibodies are not associated with lower disease severity in PUUV HFRS. Wide individual differences occur in ocular and central nervous system (CNS) manifestations and in the long-term consequences of nephropathia epidemica (NE). Numerous biomarkers have been detected, and some are clinically used to assess and predict the severity of PUUV infection. A new addition is the plasma glucose concentration associated with the severity of both capillary leakage, thrombocytopenia, inflammation, and AKI in PUUV infection. Our question, "Why this variation?" remains largely unanswered.
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Affiliation(s)
- Antti Vaheri
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Teemu Smura
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Hanna Vauhkonen
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Jussi Hepojoki
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Tarja Sironen
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Tomas Strandin
- Department of Virology, Medicum, University of Helsinki, 00290 Helsinki, Finland
| | - Johanna Tietäväinen
- Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
| | - Tuula Outinen
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
| | - Satu Mäkelä
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
| | - Ilkka Pörsti
- Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
| | - Jukka Mustonen
- Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland
- Department of Internal Medicine, Tampere University Hospital, 33520 Tampere, Finland
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Papadopoulos KI, Papadopoulou A, Aw TC. A protective erythropoietin evolutionary landscape, NLRP3 inflammasome regulation, and multisystem inflammatory syndrome in children. Hum Cell 2023; 36:26-40. [PMID: 36310304 PMCID: PMC9618415 DOI: 10.1007/s13577-022-00819-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 10/24/2022] [Indexed: 11/04/2022]
Abstract
The low incidence of pediatric severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection and the associated multisystem inflammatory syndrome (MIS-C) lack a unifying pathophysiological explanation, impeding effective prevention and therapy. Activation of the NACHT, LRR, and PYD domains-containing protein (NLRP) 3 inflammasome in SARS-CoV-2 with perturbed regulation in MIS-C, has been reported. We posit that, early age physiological states and genetic determinants, such as certain polymorphisms of renin-angiotensin aldosterone system (RAAS) molecules, promote a controlled RAAS hyperactive state, and form an evolutionary landscape involving an age-dependent erythropoietin (EPO) elevation, mediating ancestral innate immune defenses that, through appropriate NLRP3 regulation, mitigate tissue injury and pathogen invasion. SARS-CoV-2-induced downregulation of angiotensin-converting enzyme (ACE)2 expression in endothelial cells (EC), impairment of endothelial nitric oxide (NO) synthase (eNOS) activity and downstream NO bioavailability, may promote a hyperactive RAAS with elevated angiotensin II and aldosterone that, can trigger, and accelerate NLRP3 inflammasome activation, while EPO-eNOS/NO abrogate it. Young age and a protective EPO evolutionary landscape may successfully inhibit SARS-CoV-2 and contain NLRP3 inflammasome activation. By contrast, increasing age and falling EPO levels, in genetically susceptible children with adverse genetic variants and co-morbidities, may lead to unopposed RAAS hyperactivity, NLRP3 inflammasome dysregulation, severe endotheliitis with pyroptotic cytokine storm, and development of autoantibodies, as already described in MIS-C. Our haplotype estimates, predicted from allele frequencies in population databases, are in concordance with MIS-C incidence reports in Europeans but indicate lower risks for Asians and African Americans. Targeted Mendelian approaches dissecting the influence of relevant genetic variants are needed.
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Affiliation(s)
- Konstantinos I Papadopoulos
- Department of Research and Development, THAI StemLife Co., Ltd., 566/3 THAI StemLife Bldg., Soi Ramkhamhaeng 39 (Thepleela 1), Prachaouthit Rd., Wangthonglang, 10310, Bangkok, Thailand.
| | - Alexandra Papadopoulou
- Occupational and Environmental Health Services, Feelgood Lund, Ideon Science Park, Scheelevägen 17, 223 63, Lund, Sweden
| | - Tar-Choon Aw
- Department of Laboratory Medicine, Changi General Hospital, Singapore, 529889, Singapore
- Department of Medicine, National University of Singapore, Singapore, 119228, Singapore
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Say Coskun US, Yigit S, Ozmen ZC, Deveci K, Tekcan A, Barut HS, Dagcioglu Y. Association of eNOS gene 4a/4b VNTR and T786C polymorphism with Crimean-Congo hemorrhagic fever. NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2022; 42:507-515. [PMID: 36584289 DOI: 10.1080/15257770.2022.2162542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The most common viral hemorrhagic fever is Crimean-Congo hemorrhagic fever (CCHF). Endothelial nitric oxide synthase (eNOS) gene polymorphisms have been linked to both hemorrhagic fevers and viral diseases. The study's goal is to evaluate if the eNOS gene 4a/4b and T786C polymorphisms are related to CCHF. The study included 54 CCHF RNA-positive patients and 60 control subjects. The Bosphore CCHF virus Quantification Kit v1 was used to obtain CCHF RNA, and the Magnesia 16 isolation device was used to isolate DNA (Anatolia Gene works, Turkey). Polymerase chain reaction and restriction fragment length polymorphism were used to genotype the samples. The frequency of the eNOS 4a/4a, 4a/4b, and 4 b/4b genotypes in patients and the control was 6.6% versus 1.7%, 37.0% versus 43.3%, and 57.4% versus 55%, respectively. 4a: 24.07% of patients and 23.33% of controls; and 4 b: 75.92% of patients and 76.66% of controls. The frequency of the eNOS-786 T/C, T/T, T/C, and C/C genotypes in patients and the control group was 35.2% versus 68.3%; 51.9% versus 26.73%; and 13.0% versus 5.0%, respectively. The allele and genotype frequencies of the eNOS T786C variant differ statistically between patients and the control (p < 0.05). The eNOS T786C variant could be a genetic determinant for susceptibility to CCHF. To our knowledge, this is the first study to figure out the association between eNOS gene T786C polymorphisms and CCHF disease.
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Affiliation(s)
- Umut Safiye Say Coskun
- Department of Medical Microbiology, Faculty of Medicine, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Serbulent Yigit
- Department of Genetics, Faculty of Veterinary Medicine, Ondokuz Mayıs University, Samsun, Turkey
| | - Zeliha Cansel Ozmen
- Department of Medical Biochemistry, Faculty of Medicine, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Koksal Deveci
- Department of Medical Biochemistry, Faculty of Medicine, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Akin Tekcan
- Department of Medical Biology, Faculty of Medicine, Amasya University, Amasya, Turkey
| | - Huseyin Sener Barut
- Department of Infectious Disease, Ministry of Health Tepecik Training and Research Hospital, İzmir, Turkey
| | - Yelda Dagcioglu
- Department of Genetics, Faculty of Veterinary Medicine, Ondokuz Mayıs University, Samsun, Turkey.,Genetic Laboratory, Tokat Gaziosmanpasa Universirty Training And Research Hospital, Tokat, Turkey
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Coagulopathy in Acute Puumala Hantavirus Infection. Viruses 2021; 13:v13081553. [PMID: 34452419 PMCID: PMC8402851 DOI: 10.3390/v13081553] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/27/2021] [Accepted: 08/02/2021] [Indexed: 12/26/2022] Open
Abstract
Puumala hantavirus (PUUV) causes a hemorrhagic fever with renal syndrome (HFRS), also called nephropathia epidemica (NE), which is mainly endemic in Europe and Russia. The clinical features include a low platelet count, altered coagulation, endothelial activation, and acute kidney injury (AKI). Multiple connections between coagulation pathways and inflammatory mediators, as well as complement and kallikrein–kinin systems, have been reported. The bleeding symptoms are usually mild. PUUV-infected patients also have an increased risk for disseminated intravascular coagulation (DIC) and thrombosis.
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Monocyte subset redistribution from blood to kidneys in patients with Puumala virus caused hemorrhagic fever with renal syndrome. PLoS Pathog 2021; 17:e1009400. [PMID: 33690725 PMCID: PMC7984619 DOI: 10.1371/journal.ppat.1009400] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 03/22/2021] [Accepted: 02/17/2021] [Indexed: 12/18/2022] Open
Abstract
Innate immune cells like monocytes patrol the vasculature and mucosal surfaces, recognize pathogens, rapidly redistribute to affected tissues and cause inflammation by secretion of cytokines. We previously showed that monocytes are reduced in blood but accumulate in the airways of patients with Puumala virus (PUUV) caused hemorrhagic fever with renal syndrome (HFRS). However, the dynamics of monocyte infiltration to the kidneys during HFRS, and its impact on disease severity are currently unknown. Here, we examined longitudinal peripheral blood samples and renal biopsies from HFRS patients and performed in vitro experiments to investigate the fate of monocytes during HFRS. During the early stages of HFRS, circulating CD14-CD16+ nonclassical monocytes (NCMs) that patrol the vasculature were reduced in most patients. Instead, CD14+CD16- classical (CMs) and CD14+CD16+ intermediate monocytes (IMs) were increased in blood, in particular in HFRS patients with more severe disease. Blood monocytes from patients with acute HFRS expressed higher levels of HLA-DR, the endothelial adhesion marker CD62L and the chemokine receptors CCR7 and CCR2, as compared to convalescence, suggesting monocyte activation and migration to peripheral tissues during acute HFRS. Supporting this hypothesis, increased numbers of HLA-DR+, CD14+, CD16+ and CD68+ cells were observed in the renal tissues of acute HFRS patients compared to controls. In vitro, blood CD16+ monocytes upregulated CD62L after direct exposure to PUUV whereas CD16- monocytes upregulated CCR7 after contact with PUUV-infected endothelial cells, suggesting differential mechanisms of activation and response between monocyte subsets. Together, our findings suggest that NCMs are reduced in blood, potentially via CD62L-mediated attachment to endothelial cells and monocytes are recruited to the kidneys during HFRS. Monocyte mobilization, activation and functional impairment together may influence the severity of disease in acute PUUV-HFRS.
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Tietäväinen J, Mantula P, Outinen T, Huhtala H, Pörsti IH, Niemelä O, Vaheri A, Mäkelä S, Mustonen J. Glucosuria Predicts the Severity of Puumala Hantavirus Infection. Kidney Int Rep 2019; 4:1296-1303. [PMID: 31517148 PMCID: PMC6734096 DOI: 10.1016/j.ekir.2019.05.770] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 04/23/2019] [Accepted: 05/20/2019] [Indexed: 11/26/2022] Open
Abstract
Introduction Puumala hantavirus (PUUV) causes a mild type of hemorrhagic fever with renal syndrome characterized by acute kidney injury (AKI), increased capillary leakage, and thrombocytopenia. Albuminuria and hematuria in dipstick urine test at hospital admission are known to predict the severity of upcoming AKI. Methods We analyzed dipstick urine glucose in 195 patients with acute PUUV infection at hospital admission, and divided them into 2 categories according to the presence or absence of glucose in the dipstick urine test. Determinants of disease severity were analyzed in glucosuric and nonglucosuric patients. Results Altogether, 24 of 195 patients (12%) had glucosuria. The patients with glucosuria had more severe AKI than patients without glucosuria (median maximum creatinine concentration 459 μmol/l, range 78-1041 μmol/l vs. 166 μmol/l, range 51-1499 μmol/l; P < 0.001). The glucosuric patients had more severe thrombocytopenia (median minimum platelet count 41 × 109/l, range 5-102 × 109/l vs. 62 × 109/l, range 3-249 × 109/l; P = 0.006), and more pronounced signs of increased capillary leakage (change in weight, maximum plasma hematocrit, minimum plasma albumin). The glucosuric patients were more often in clinical shock at admission (20.8% vs. 1.2%; P < 0.001) and the length of hospital stay was longer (median 7.5 days, range 4-22 days vs. 6 days, range 2-30 days; P = 0.009). Conclusion Glucosuria is relatively rare, but when present it predicts a more severe disease course in patients with acute PUUV infection.
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Affiliation(s)
- Johanna Tietäväinen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Department of Internal Medicine, Tampere University Hospital, Tampere, Finland
| | - Paula Mantula
- Department of Internal Medicine, Tampere University Hospital, Tampere, Finland
| | - Tuula Outinen
- Department of Internal Medicine, Tampere University Hospital, Tampere, Finland
| | - Heini Huhtala
- Faculty of Social Sciences, Tampere University, Tampere, Finland
| | - Ilkka H Pörsti
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Department of Internal Medicine, Tampere University Hospital, Tampere, Finland
| | - Onni Niemelä
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Medical Research Unit, Seinäjoki Central Hospital, Seinäjoki, Finland
| | - Antti Vaheri
- Department of Virology, Medicum, University of Helsinki, Helsinki, Finland
| | - Satu Mäkelä
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Department of Internal Medicine, Tampere University Hospital, Tampere, Finland
| | - Jukka Mustonen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Department of Internal Medicine, Tampere University Hospital, Tampere, Finland
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Association of polymorphisms in serotonin and nitric oxide genes with clinical outcome of dengue in Brazilian northeast population. Acta Trop 2019; 190:144-148. [PMID: 30452889 DOI: 10.1016/j.actatropica.2018.11.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 11/05/2018] [Accepted: 11/14/2018] [Indexed: 11/24/2022]
Abstract
Serotonin and nitric oxide seem to be involved in Dengue virus infection. The aim of this study was to investigate if SNPs in serotonin and nitric oxide are associated with dengue severity. A retrospective case-control study was conducted, with groups of dengue fever (DF; n = 78) and dengue hemorrhagic fever patients (DHF; n = 49). Genotyping was performed using qPCR and PCR. The power of the sample size was calculated by G*power software. The heterozygous SL for 5-HTTLPR SNP was significantly correlated with protection against progression to DHF in the codominant SS/SL/LL (OR = 0.22, 95% CI = 0.06-0.81, p = 0.011) and overdominant models SL vs SS + LL (OR = 0.19, 95% CI = 0.06-0.65, p = 0.003). For the ENOS (rs1799983) SNP, the genotype GT was positively associated with protection for development of the clinical form in DHF compared to dengue fever (OR = 0.39, 95% CI = (0.13-1.14), p = 0.0058) in codominant GG/GT/TT and overdominant model GT vs GG + TT (OR = 0.35, 95% CI = (0.12-1.02), p = 0.04). To our knowledge, this is the first study to identify the association of the serotonin and nitric oxide SNPs with dengue severity.
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Mustonen J, Outinen T, Laine O, Pörsti I, Vaheri A, Mäkelä S. Kidney disease in Puumala hantavirus infection. Infect Dis (Lond) 2017; 49:321-332. [PMID: 28049381 DOI: 10.1080/23744235.2016.1274421] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Acute kidney injury (AKI) remains a predominant clinical expression of nephropathia epidemica (NE). Its pathogenesis is not yet fully understood. Here, we describe the tissue injury comprehensively and present new data aimed to characterize the injury and explain its pathophysiology. When compared to tubulointerstitial nephritis of a wide variety of other aetiologies, a high degree of proteinuria is a distinguished trait of NE, a finding that is also helpful in the clinical suspicion of the disease. Recently, novel biomarkers for the prediction of severe AKI, including neutrophil gelatinase-associated lipocalin (NGAL), have been identified and ultrastructural tissue changes have been more accurately described. A role for soluble urokinase-type plasminogen activator (suPAR) in the pathogenesis of NE has been suggested, and data on gene polymorphisms, in relation to the severity of AKI have been presented. Smoking is a risk factor for NE and smoking is also associated with aggravated AKI in NE. Although no specific treatment is in sight, recent case reports concerning therapy directed against vascular permeability and vasodilation are of interest. In fact, future work trying to explain the pathophysiology of AKI might need concentrated efforts towards the mechanisms of increased vascular permeability and vasodilatation, which irrespective of organ manifestation, are two major determinants of NE.
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Affiliation(s)
- Jukka Mustonen
- a Faculty of Medicine and Life Sciences , University of Tampere , Tampere , Finland.,b Department of Internal Medicine , Tampere University Hospital , Tampere , Finland
| | - Tuula Outinen
- a Faculty of Medicine and Life Sciences , University of Tampere , Tampere , Finland
| | - Outi Laine
- a Faculty of Medicine and Life Sciences , University of Tampere , Tampere , Finland.,b Department of Internal Medicine , Tampere University Hospital , Tampere , Finland
| | - Ilkka Pörsti
- a Faculty of Medicine and Life Sciences , University of Tampere , Tampere , Finland.,b Department of Internal Medicine , Tampere University Hospital , Tampere , Finland
| | - Antti Vaheri
- c Department of Virology, Medicum , University of Helsinki , Helsinki , Finland
| | - Satu Mäkelä
- a Faculty of Medicine and Life Sciences , University of Tampere , Tampere , Finland.,b Department of Internal Medicine , Tampere University Hospital , Tampere , Finland
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