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De Simone E, Sciascia S, Fenoglio R, Oddone V, Barreca A, Roccatello D. Antiphospholipid Syndrome and Kidney Involvement. Kidney Blood Press Res 2023; 48:666-677. [PMID: 37734329 DOI: 10.1159/000529229] [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: 05/13/2022] [Accepted: 01/07/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND Antiphospholipid syndrome (APS) is an autoimmune disease characterized by the development of autoantibodies and the impairment of the coagulation system. Knowledge about this syndrome is increasing over time, but kidney involvement, especially APS nephropathy, still represents a challenge for physicians. SUMMARY A "two hit" model has been hypothesized to explain APS pathophysiology, and the role played by some factors, such as the complement system, is becoming more and more clear. From a clinical point of view, along with thrombosis in any site and/or obstetric morbidities, that are the hallmarks of APS, a constellation of several other clinical symptoms is related to APS. These symptoms alone are not sufficient to fulfill Sydney criteria for APS and this could potentially lead to omitting some diagnoses. The mainstay of management of APS is antithrombotic therapy, but there are expectations for new drugs that regulate the immune system. APS could affect the kidneys in many ways and among them, APS nephropathy is an intriguing entity that has been overlooked in recent years. Novel studies on APS nephropathy are lacking. KEY MESSAGES In this review, we discuss what we currently know about APS and its relationship with the kidney, with an eye toward the future perspectives. Multicenter studies on APS nephropathy are necessary in order to develop targeted therapies.
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Affiliation(s)
- Emanuele De Simone
- University Center of Excellence on Nephrologic, Rheumatologic and Rare Diseases (ERK-net, ERN-Reconnect and RITA-ERN Member) Including the Nephrology and Dialysis Unit, Center of Immuno-Rheumatology and Rare Diseases (CMID), Coordinating Center of the Interregional Network for Rare Diseases of Piedmont and Aosta Valley (North-West Italy), Department of Clinical and Biological Sciences, San Giovanni Bosco Hub Hospital-ASL Città di Torino, University of Turin, Turin, Italy,
| | - Savino Sciascia
- University Center of Excellence on Nephrologic, Rheumatologic and Rare Diseases (ERK-net, ERN-Reconnect and RITA-ERN Member) Including the Nephrology and Dialysis Unit, Center of Immuno-Rheumatology and Rare Diseases (CMID), Coordinating Center of the Interregional Network for Rare Diseases of Piedmont and Aosta Valley (North-West Italy), Department of Clinical and Biological Sciences, San Giovanni Bosco Hub Hospital-ASL Città di Torino, University of Turin, Turin, Italy
| | - Roberta Fenoglio
- University Center of Excellence on Nephrologic, Rheumatologic and Rare Diseases (ERK-net, ERN-Reconnect and RITA-ERN Member) Including the Nephrology and Dialysis Unit, Center of Immuno-Rheumatology and Rare Diseases (CMID), Coordinating Center of the Interregional Network for Rare Diseases of Piedmont and Aosta Valley (North-West Italy), Department of Clinical and Biological Sciences, San Giovanni Bosco Hub Hospital-ASL Città di Torino, University of Turin, Turin, Italy
| | - Valentina Oddone
- University Center of Excellence on Nephrologic, Rheumatologic and Rare Diseases (ERK-net, ERN-Reconnect and RITA-ERN Member) Including the Nephrology and Dialysis Unit, Center of Immuno-Rheumatology and Rare Diseases (CMID), Coordinating Center of the Interregional Network for Rare Diseases of Piedmont and Aosta Valley (North-West Italy), Department of Clinical and Biological Sciences, San Giovanni Bosco Hub Hospital-ASL Città di Torino, University of Turin, Turin, Italy
| | - Antonella Barreca
- Division of Pathology, Città Della Salute e Della Scienza Hospital and University of Turin, Turin, Italy
| | - Dario Roccatello
- University Center of Excellence on Nephrologic, Rheumatologic and Rare Diseases (ERK-net, ERN-Reconnect and RITA-ERN Member) Including the Nephrology and Dialysis Unit, Center of Immuno-Rheumatology and Rare Diseases (CMID), Coordinating Center of the Interregional Network for Rare Diseases of Piedmont and Aosta Valley (North-West Italy), Department of Clinical and Biological Sciences, San Giovanni Bosco Hub Hospital-ASL Città di Torino, University of Turin, Turin, Italy
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Rodríguez CM, Velásquez-Berrío M, Rúa C, Viana M, Abrahams VM, Cadavid AP, Alvarez AM. Antiphospholipid Antibodies From Women With Pregnancy Morbidity and Vascular Thrombosis Induce Endothelial Mitochondrial Dysfunction, mTOR Activation, and Autophagy. Front Physiol 2021; 12:706743. [PMID: 34912234 PMCID: PMC8667788 DOI: 10.3389/fphys.2021.706743] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 10/18/2021] [Indexed: 01/09/2023] Open
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disease characterized by thrombosis and pregnancy morbidity (PM) obstetric events together with persistent high titers of circulating antiphospholipid antibodies (aPL). Several mechanisms that explain the development of thrombosis and PM in APS include the association of aPL with alterations in the coagulation cascade and inflammatory events. Other mechanisms disturbing cellular homeostases, such as mitochondrial dysfunction, autophagy, and cell proliferation, have been described in other autoimmune diseases. Therefore, the objective of this study was to investigate the impact of aPL from different patient populations on endothelial cell mitochondrial function, activation of the mammalian target of rapamycin (mTOR) and autophagy pathways, and cellular growth. Using an in vitro model, human umbilical vein endothelial cells (HUVECs) were treated with polyclonal immunoglobulin G (IgG) purified from the serum of women with both PM and vascular thrombosis (PM/VT), with VT only (VT), or with PM and non-criteria aPL (seronegative-obstetric APS, SN-OAPS). We included IgG from women with PM without aPL (PM/aPL-) and healthy women with previous uncomplicated pregnancies (normal human serum, NHS) as control groups. Mitochondrial function, mTOR activation, autophagy, and cell proliferation were evaluated by Western blotting, flow cytometry, and functional assays. IgG from women with PM/VT increased HUVEC mitochondrial hyperpolarization and activation of the mTOR and autophagic pathways, while IgG from patients with VT induced endothelial autophagy and cell proliferation in the absence of elevated mTOR activity or mitochondrial dysfunction. IgG from the SN-OAPS patient group had no effect on any of these HUVEC responses. In conclusion, aPL from women with PM and vascular events induce cellular stress evidenced by mitochondrial hyperpolarization and increased activation of the mTOR and autophagic pathways which may play a role in the pathogenesis of obstetric APS.
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Affiliation(s)
- Carlos M. Rodríguez
- Grupo Reproducción, Facultad de Medicina, Departamento de Microbiología y Parasitología, Universidad de Antioquia (UdeA), Medellín, Colombia
| | - Manuela Velásquez-Berrío
- Grupo Reproducción, Facultad de Medicina, Departamento de Microbiología y Parasitología, Universidad de Antioquia (UdeA), Medellín, Colombia
| | - Carolina Rúa
- Grupo de Investigación en Trombosis, Facultad de Medicina, Universidad de Antioquia (UdeA), Medellín, Colombia
| | - Marta Viana
- Grupo de Metabolismo y Función Vascular, Departamento de Química y Bioquímica, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Madrid, Spain
- Red Iberoamericana de Alteraciones Vasculares Asociadas a Transtornos del Embarazo (RIVATREM), Chillán, Chile
| | - Vikki M. Abrahams
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, United States
| | - Angela P. Cadavid
- Grupo Reproducción, Facultad de Medicina, Departamento de Microbiología y Parasitología, Universidad de Antioquia (UdeA), Medellín, Colombia
- Red Iberoamericana de Alteraciones Vasculares Asociadas a Transtornos del Embarazo (RIVATREM), Chillán, Chile
| | - Angela M. Alvarez
- Grupo Reproducción, Facultad de Medicina, Departamento de Microbiología y Parasitología, Universidad de Antioquia (UdeA), Medellín, Colombia
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Song X, Zhang H, Zhao Y, Lin Y, Tang Q, Zhou X, Zhong X. HMGB1 Activates Myeloid Dendritic Cells by Up-Regulating mTOR Pathway in Systemic Lupus Erythematosus. Front Med (Lausanne) 2021; 8:636188. [PMID: 34164408 PMCID: PMC8215142 DOI: 10.3389/fmed.2021.636188] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 03/15/2021] [Indexed: 01/12/2023] Open
Abstract
Research has shown that HMGB1 can activate dendritic cells (DCs), but its molecular mechanisms are not clear. In this study, we reported that the myeloid dendritic cells (mDCs) were activated in the peripheral blood of SLE patients, and the activation of mDCs was associated with the up-regulation of HMGB1 and mTOR. After stimulated by HMGB1, expression of mTOR and its substrates P70S6K and 4EBP1 in dendritic cells increased considerably (P < 0.01). The expression of HLA-DR, CD40, and CD86 on dendritic cells also significantly increased following these stimuli (P < 0.01). In addition, stimulation with HMGB1 enhanced cytokine (IL-1β, IL-6, and TNF-a) production in dendritic cells. In contrast, the HMGB1-mediated expression of HLA-DR, CD40, and CD86 on dendritic cells and production of IL-1β, IL-6, and TNF-α were reduced by rapamycin. Rapamycin can inhibit HMGB1-induced activation of mDCs and secretion of pro-inflammatory cytokines. These findings indicated that HMGB1activates mDCs by up-regulating the mTOR pathway in SLE.
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Affiliation(s)
- Xinghui Song
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.,Department of Rheumatism and Immunology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China
| | - Hui Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yun Zhao
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yuanzhen Lin
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Qiya Tang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiu Zhou
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiaoning Zhong
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Waleed RM, Sehar I, Iftikhar W, Khan HS. Hematologic parameters in coronavirus infection (COVID-19) and their clinical implications. Discoveries (Craiova) 2020; 8:e117. [PMID: 33110936 PMCID: PMC7585459 DOI: 10.15190/d.2020.14] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/11/2020] [Accepted: 09/17/2020] [Indexed: 12/20/2022] Open
Abstract
Coronaviruses are a class of enveloped RNA viruses that cause infections of the respiratory tract, characterized by fever, tiredness, dry cough, diarrhea, loss of smell or taste, chest pain and shortness of breath. Many patients with mysterious pneumonia were distinguished in December 2019 in Wuhan. The pneumonia of obscure origin was found to be ascribed to a novel coronavirus and described as novel coronavirus pneumonia (NCP). The Chinese authorities initially reported the wave of mysterious pneumonia on December 31st, 2019 and it was declared as an outbreak of international concern on January 30th, 2020. A systematic search of relevant research was conducted, and a total of 58 primary research articles were identified, analyzed, and debated to better understand the hematologic profile in COVID-19 (Coronavirus disease) infection and its clinical implications. All the findings in this article manifest a true impression of the current interpretation of hematological findings of the SARS-COV-2 disease. Pathophysiology of COVID-19 disease can be better interpreted by taking into consideration the hematologic parameters. Clinical implications of the hematologic profile of COVID-19 patients including cytokine storm, coagulation profile, and thrombophilic complications are under-recognized. Therefore, this review focuses on the coagulation profile, cytokine storm, and its treatment options. The role of pre-existing thrombophilia in COVID-19 patients and how it could result in the poor prognosis of the disease is also debated. The recent data suggests that hypercoagulability could be the potential cause of fatalities due to COVID-19. Potential effects of tocilizumab, metronidazole, and ulinastatin in suppressing cytokine storm may help to treat SARS-COV-2 infection. This review also highlights the significance of thrombophilia testing in SARS-CoV-2 patients depending on the clinical features and especially in pregnant women.
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Affiliation(s)
| | - Inbisat Sehar
- CMH Lahore Medical College and Institute of Dentistry, Lahore, Pakistan
| | - Waleed Iftikhar
- CMH Lahore Medical College and Institute of Dentistry, Lahore, Pakistan
- California Institute of Behavioral Neurosciences & Psychology, Fairfield, CA 94534, USA
| | - Huma Saeed Khan
- CMH Lahore Medical College and Institute of Dentistry, Lahore, Pakistan
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Dobrowolski C, Erkan D. Treatment of antiphospholipid syndrome beyond anticoagulation. Clin Immunol 2018; 206:53-62. [PMID: 29510235 DOI: 10.1016/j.clim.2018.03.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 03/02/2018] [Accepted: 03/02/2018] [Indexed: 10/17/2022]
Abstract
Antiphospholipid syndrome (APS) is a systemic autoimmune disorder marked by thrombosis and/or pregnancy morbidity in the presence of antiphospholipid antibodies (aPL). At the present time, treatment is primarily focused on anticoagulation. However, there is increasing awareness of the mechanisms involved in APS pathogenesis, which has led to the trial of novel therapies targeting those mechanisms. Following a brief review of the etiopathogenesis of and current management strategies in APS, this paper focuses on the evidence for these potential, targeted APS treatments, e.g., hydroxychloroquine, statins, rituximab, belimumab, eculizumab, defibrotide, sirolimus, and peptide therapy.
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Affiliation(s)
| | - Doruk Erkan
- Barbara Volcker Center for Women and Rheumatic Diseases, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, USA.
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Sciascia S, Amigo MC, Roccatello D, Khamashta M. Diagnosing antiphospholipid syndrome: 'extra-criteria' manifestations and technical advances. Nat Rev Rheumatol 2017; 13:548-560. [PMID: 28769114 DOI: 10.1038/nrrheum.2017.124] [Citation(s) in RCA: 127] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
First described in the early 1980s, antiphospholipid syndrome (APS) is a unique form of acquired autoimmune thrombophilia in which patients present with clinical features of recurrent thrombosis and pregnancy morbidity and persistently test positive for the presence of antiphospholipid antibodies (aPL). At least one clinical (vascular thrombosis or pregnancy morbidity) and one lab-based (positive test result for lupus anticoagulant, anticardiolipin antibodies and/or anti-β2-glycoprotein 1 antibodies) criterion have to be met for a patient to be classified as having APS. However, the clinical spectrum of APS encompasses additional manifestations that can affect many organs and cannot be explained exclusively by patients being in a prothrombotic state; clinical manifestations not listed in the classification criteria (known as extra-criteria manifestations) include neurologic manifestations (chorea, myelitis and migraine), haematologic manifestations (thrombocytopenia and haemolytic anaemia), livedo reticularis, nephropathy and valvular heart disease. Increasingly, research interest has focused on the development of novel assays that might be more specific for APS than the current aPL tests. This Review focuses on the current classification criteria for APS, presenting the role of extra-criteria manifestations and lab-based tests. Diagnostic approaches to difficult cases, including so-called seronegative APS, are also discussed.
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Affiliation(s)
- Savino Sciascia
- Centre of Research of Immunopathology and Rare Diseases (CMID), Coordinating Centre of Piedmont and Aosta Valley Network for Rare Diseases, Department of Clinical and Biological Sciences, St Giovanni Bosco Hospital and the University of Turin, Piazza del Donatore di Sangue 3, 10154 Turin, Italy.,SCDU Nephrology and Dialysis, Department of Clinical and Biological Sciences, St Giovanni Bosco Hospital and the University of Turin, Piazza del Donatore di Sangue 3, 10154 Turin, Italy
| | - Mary-Carmen Amigo
- Service of Rheumatology, ABC Medical Center, Sur 136 No. 116, Colonia Las Américas, Mexico City 01220, Mexico
| | - Dario Roccatello
- Centre of Research of Immunopathology and Rare Diseases (CMID), Coordinating Centre of Piedmont and Aosta Valley Network for Rare Diseases, Department of Clinical and Biological Sciences, St Giovanni Bosco Hospital and the University of Turin, Piazza del Donatore di Sangue 3, 10154 Turin, Italy.,SCDU Nephrology and Dialysis, Department of Clinical and Biological Sciences, St Giovanni Bosco Hospital and the University of Turin, Piazza del Donatore di Sangue 3, 10154 Turin, Italy
| | - Munther Khamashta
- Department of Rheumatology, Dubai Hospital, PO box 7272, Dubai, UAE.,Graham Hughes Lupus Research Laboratory, Division of Women's Health, King's College London, The Rayne Institute, 4th Floor Lambeth Wing, St Thomas' Hospital, London SE1 7EH, UK
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Abstract
Antiphospholipid syndrome (APS) is a hypercoagulable state characterized by arterial and venous thromboses and pregnancy morbidity in the presence of antiphospholipid antibodies. Although warfarin remains the main therapeutic choice in APS, there is still concern about its efficacy, safety, and patient compliance. Patients with refractory APS to conventional therapy as well as patients with non-classical manifestations of APS may have alternative treatment approaches. APS pathogenesis has been further elucidated over the past years identifying new molecules as potential new treatment targets. This review summarizes available data from in vitro and animal models and clinical studies on the role of new potential treatment approaches including new oral anticoagulants and immunoregulatory agents: direct thrombin or factor Xa inhibitors, hydroxychloroquine, statins, B cell inhibition, complement inhibition, peptide therapy, nuclear factor κB and p38 mitogen-activated kinase inhibitors, defibrotide, abciximab, mTOR inhibitor, and other potential targets. Large multicenter prospective studies of well-characterized APS patients are needed to assess the efficacy and safety profile of these potential treatment alternatives.
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Affiliation(s)
- Danieli Andrade
- Rheumatology Department, University of São Paulo, Av. Dr. Arnaldo 455, Third Floor, Room 3109, São Paulo, Brazil
| | - Maria Tektonidou
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Programme, National and Kapodistrian University of Athens, Athens, Greece.
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