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Mosquera-Sulbaran JA, Pedreañez A, Vargas R, Hernandez-Fonseca JP. Apoptosis in post-streptococcal glomerulonephritis and mechanisms for failed of inflammation resolution. Pediatr Nephrol 2024; 39:1709-1724. [PMID: 37775580 DOI: 10.1007/s00467-023-06162-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/05/2023] [Accepted: 09/05/2023] [Indexed: 10/01/2023]
Abstract
Post-streptococcal glomerulonephritis is a condition resulting from infection by group A beta-hemolytic streptococcus. The main mechanism involves the formation of immune complexes formed in the circulation or in situ on the glomerular basement membrane, which activates complement and causes various inflammatory processes. Cellular mechanisms have been reported in the induction of kidney damage represented by the infiltration of innate cells (neutrophils and monocyte/macrophages) and adaptive cells (CD4 + lymphocytes and CD8 + lymphocytes) of the immune system. These cells induce kidney damage through various mechanisms. It has been reported that nephritogenic antigens are capable of inducing inflammatory processes early, even before the formation of immune complexes. Usually, this disease progresses towards clinical and renal normalization; however, in a smaller number of patients, it evolves into chronicity and persistent kidney damage. Hypotheses have been proposed regarding the mechanisms underlying this progression to chronicity including failure to induce apoptosis and failure to phagocytose apoptotic cells, allowing these cells to undergo membrane permeabilization and release pro-inflammatory molecules into the environment, thereby perpetuating renal inflammation. Other mechanisms involved include persistent infection, genetic background of the host's complement system, tubulointerstitial changes, and pre-existing kidney damage due to old age and comorbidities.
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Affiliation(s)
- Jesús A Mosquera-Sulbaran
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette," Facultad de Medicina, Universidad del Zulia, Apartado Postal: 23, Maracaibo, 4001-A, Zulia, Venezuela.
| | - Adriana Pedreañez
- Escuela de Bioanálisis, Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
| | - Renata Vargas
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette," Facultad de Medicina, Universidad del Zulia, Apartado Postal: 23, Maracaibo, 4001-A, Zulia, Venezuela
| | - Juan Pablo Hernandez-Fonseca
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette," Facultad de Medicina, Universidad del Zulia, Apartado Postal: 23, Maracaibo, 4001-A, Zulia, Venezuela
- Servicio de Microscopia Electrónica del Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain
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Mosquera-Sulbaran JA, Pedreañez A, Carrero Y, Hernandez-Fonseca JP. Angiotensin II and post-streptococcal glomerulonephritis. Clin Exp Nephrol 2024; 28:359-374. [PMID: 38170299 DOI: 10.1007/s10157-023-02446-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 12/04/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Post-streptococcal glomerulonephritis (PSGN) is a consequence of the infection by group A beta-hemolytic streptococcus. During this infection, various immunological processes generated by streptococcal antigens are triggered, such as the induction of antibodies and immune complexes. This activation of the immune system involves both innate and acquired immunity. The immunological events that occur at the renal level lead to kidney damage with chronic renal failure as well as resolution of the pathological process (in most cases). Angiotensin II (Ang II) is a molecule with vasopressor and pro-inflammatory capacities, being an important factor in various inflammatory processes. During PSGN some events are defined that make Ang II conceivable as a molecule involved in the inflammatory processes during the disease. CONCLUSION This review is focused on defining which reported events would be related to the presence of this hormone in PSGN.
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Affiliation(s)
- Jesus A Mosquera-Sulbaran
- Facultad de Medicina, Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Universidad del Zulia, Apartado Postal: 23, MaracaiboZulia, 4001-A, Venezuela.
| | - Adriana Pedreañez
- Facultad de Medicina, Cátedra de Inmunología, Escuela de Bioanálisis, Universidad del Zulia, Maracaibo, Venezuela
| | - Yenddy Carrero
- Facultad de Medicina, Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Universidad del Zulia, Apartado Postal: 23, MaracaiboZulia, 4001-A, Venezuela
| | - Juan Pablo Hernandez-Fonseca
- Facultad de Medicina, Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Universidad del Zulia, Apartado Postal: 23, MaracaiboZulia, 4001-A, Venezuela
- Servicio de Microscopia Electrónica del Centro Nacional de Biotecnología, CNB-CSIC, Madrid, Spain
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Hou S, Yang J, Xiao F, Dai H. A novel case of acute glomerulonephritis with concurrent acute non-rheumatic myocarditis following group a streptococcal infection. J Int Med Res 2023; 51:3000605231173275. [PMID: 38150540 PMCID: PMC10754021 DOI: 10.1177/03000605231173275] [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: 05/25/2022] [Accepted: 04/14/2023] [Indexed: 12/29/2023] Open
Abstract
Streptococcal infection is a common cause of acute glomerulonephritis. Cardiac damage associated with streptococcal infection commonly occurs in acute rheumatic fever. However, cases of acute non-rheumatic streptococcal myocarditis have been reported in recent years. We report a novel case of concurrent acute glomerulonephritis and non-rheumatic myocarditis following streptococcal infection. A good prognosis was achieved with antibiotic and immunosuppressive therapy, indicating that Streptococcus causes cardiorenal syndrome type 5 via an immune-mediated response. A better understanding of post-streptococcal cardiorenal syndrome is warranted to enable the early diagnosis and treatment of affected patients.
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Affiliation(s)
- Shihui Hou
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Jie Yang
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Fei Xiao
- Department of Nephrology, Daping Hospital, Army Medical University, Chongqing, China
| | - Huanzi Dai
- Department of Rheumatology & Clinical Immunology, Daping Hospital, Army Medical University, Chongqing, China
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Casuscelli C, Longhitano E, Maressa V, Di Carlo S, Peritore L, Di Lorenzo S, Calabrese V, Cernaro V, Santoro D. Autoimmunity and Infection in Glomerular Disease. Microorganisms 2023; 11:2227. [PMID: 37764071 PMCID: PMC10538233 DOI: 10.3390/microorganisms11092227] [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: 07/26/2023] [Revised: 08/28/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
The ongoing glomerular damage of infections is not limited to the most widely known form of post-streptococcal glomerulonephritis, which is today less common in the Western world; other forms of glomerulonephritis are associated with several bacterial, viral and parasitic pathogens. The mechanisms responsible range from the direct damage of glomerular cells to the formation and deposition of immunocomplexes to molecular mimicry to the secretion of superantigens. Similarly, in the course of glomerular disease, infections are more frequent than in the general population due to the loss of immunoglobulins in urine and the immunosuppressive agents used to treat the autoimmune disease that decrease the activity of the immune system. Recognizing this two-way link, understanding its pathogenetic mechanism, and identifying the most appropriate therapeutic choice are essential for the personalized management of patients. In this continuously developing field, this short review summarizes the current state of the art as support for physicians, who are increasingly involved in managing patients with glomerular disease and infections.
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Affiliation(s)
- Chiara Casuscelli
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, A.O.U. “G. Martino”, University of Messina, 98122 Messina, Italy; (E.L.); (V.M.); (S.D.C.); (L.P.); (S.D.L.); (V.C.); (V.C.)
| | | | | | | | | | | | | | | | - Domenico Santoro
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, A.O.U. “G. Martino”, University of Messina, 98122 Messina, Italy; (E.L.); (V.M.); (S.D.C.); (L.P.); (S.D.L.); (V.C.); (V.C.)
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Iyengar A, Kamath N, Radhakrishnan J, Estebanez BT. Infection-Related Glomerulonephritis in Children and Adults. Semin Nephrol 2023; 43:151469. [PMID: 38242806 DOI: 10.1016/j.semnephrol.2023.151469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2024]
Abstract
Infection-related glomerulonephritis is an immunologically mediated glomerular injury after an infection. Glomerulonephritis may occur with the infection or after a variable latent period. Poststreptococcal glomerulonephritis (PSGN) is the prototype of infection-related glomerulonephritis. The streptococcal antigens, nephritis-associated plasmin-like receptor and streptococcal exotoxin B, have emerged as major players in the pathogenesis of PSGN. Although PSGN is the most common infection-related glomerulonephritis in children, in adults, glomerulonephritis is secondary to bacteria such as staphylococci, viruses such as hepatitis C, and human immunodeficiency virus, and, rarely, parasitic infections. Supportive therapy is the mainstay of treatment in most infection-related glomerulonephritis. Treatment of the underlying infection with specific antibiotics and antiviral medications is indicated in some infections. Parasitic infections, although rare, may be associated with significant morbidity. Poststreptococcal glomerulonephritis is a self-limiting condition with a good prognosis. However, bacterial, viral, and parasitic infections may be associated with significant morbidity and long-term consequences. Epidemiologic studies are required to assess the global burden of infection-related glomerulonephritis. A better understanding of the pathogenesis of infection-related glomerulonephritis may unravel more treatment options and preventive strategies.
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Affiliation(s)
- Arpana Iyengar
- Department of Pediatric Nephrology, St John's Medical College Hospital, Bengaluru, India.
| | - Nivedita Kamath
- Department of Pediatric Nephrology, St John's Medical College Hospital, Bengaluru, India
| | - Jai Radhakrishnan
- Department of Nephrology, Columbia University Medical Center, New York, NY
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Bazhu, Shi Y, Ren S, Shu L, Li Q. Posterior reversible encephalopathy syndrome secondary to acute post-streptococcal glomerulonephritis in a child: a case report from the Tibetan plateau. BMC Neurol 2022; 22:225. [PMID: 35717141 PMCID: PMC9206370 DOI: 10.1186/s12883-022-02750-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 06/11/2022] [Indexed: 11/10/2022] Open
Abstract
Background Posterior reversible encephalopathy syndrome (PRES) is a disorder of reversible vasogenic brain oedema with acute neurologic symptoms. It is a rare but serious disease that affects the central nervous system. PRES is a rare complication of acute post-streptococcal glomerulonephritis (APSGN). High altitude can accelerate vasogenic brain oedema by increasing cerebral blood flow (CBF), impairing cerebral autoregulation and promoting vascular inflammation. We report a case of PRES induced by acute post-streptococcal glomerulonephritis in a high-altitude environment. Case presentation A fourteen-year-old Tibetan girl presented with progressive headache with haematuria, facial swelling, dizziness and vomiting for 2 weeks as well as multiple episodes of tonic–clonic seizures for 14 h. She was diagnosed with APSGN based on laboratory tests and clinical symptoms. Brain magnetic resonance imaging (MRI) and computed tomography (CT) revealed bilateral frontal, parietal and occipital lesions that were compatible with the radiological diagnosis of PRES. The treatments included an antibiotic (penicillin), an antiepileptic drug, and hyperbaric oxygen (HBO) therapy. Follow-up MRI obtained 1 week after admission and CT obtained 4 weeks and 6 weeks after admission demonstrated complete resolution of the brain lesions. Conclusions The case illustrates a rare occurrence of PRES following APSGN in a 14-year-old child in the Tibetan Plateau. The hypoxic conditions of a high-altitude setting might lower the cerebral autoregulation threshold and amplify the endothelial inflammatory reaction, thus inducing PRES in patients with APSGN. It is important to recognize the clinical and radiologic features of PRES, and adjuvant HBO therapy can promote rapid recovery from this condition in high-altitude areas.
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Affiliation(s)
- Bazhu
- Department of Neurosurgery, Shigatse People's Hospital, Tibet, China
| | - Yanhui Shi
- Department of Neurology, Xuhui District Central Hospital, Shanghai, China
| | - Shuang Ren
- Department of Neurosurgery, Shigatse People's Hospital, Tibet, China
| | - Liang Shu
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Qiang Li
- Department of Neurosurgery, Shigatse People's Hospital, Tibet, China. .,Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China.
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Functional Characterisation of Two Novel Deacetylases from Streptococcus pyogenes. MICROBIOLOGY RESEARCH 2022. [DOI: 10.3390/microbiolres13020025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Streptococcus pyogenes (Group A Streptococcus, GAS) is an exclusively human pathogen that causes a wide range of diseases. We have identified two novel proteins, Spy1094 and Spy1370, which show sequence similarity with peptidoglycan deacetylases (PGDAs) from other streptococcal species like S. pneumoniae and S. iniae, that represent important virulence factors. Recombinant Spy1094 and Spy1370 were active at a wide pH range (pH 4.0–9.0) and showed metal ion-dependence, with the highest activities observed in the presence of Mn2+, Mg2+and Zn2+. The enzymes showed typical Michaelis–Menten saturation kinetics with the pseudo-substrate GlcNAc3. Binding affinities for rSpy1094 and rSpy1370 were high (Km = 2.2 ± 0.9 μM and 3.1 ± 1.1 μM, respectively), but substrate turnover was low (Kcat = 0.0075/s and 0.0089/s, respectively) suggesting that peptidoglycan might not be the preferred target for deacetylation. Both enzymes were expressed during bacterial growth.
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Pornrattanarungsi S, Eursiriwan S, Amornchaicharoensuk Y, Chavanisakun C, Sirimongkolchaiyakul O. Concomitant rapidly progressive glomerulonephritis and acute rheumatic fever after streptococcus infection: a case report. Paediatr Int Child Health 2022; 42:100-104. [PMID: 35298890 DOI: 10.1080/20469047.2022.2046966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Acute post-streptococcal glomerulonephritis (APSGN) and acute rheumatic fever (ARF) are common immune-mediated complications after group A streptococcus (GAS) infection. The causative antigenic epitopes on GAS are different for APSGN and ARF, and their simultaneous occurrence is uncommon. A 12-year-old boy presented with fever and gross haematuria. He had subcutaneous nodules on the dorsum of both feet along with a new holosystolic murmur at the apex, and he developed hypertension and generalised oedema after admission. Investigation confirmed the diagnosis of ARF with APSGN. He received a corticosteroid to control inflammation of both the conditions. His clinical signs gradually improved but he still had rheumatic heart disease. As both diseases can occur in the same patient, treatment should be provided for both conditions.Abbreviations: APSGN: acute post-streptococcal glomerulonephritis; ARF: acute rheumatic fever; ASO: antistreptolysin O; Cr: serum creatinine; CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; GAS: group A streptococcus; RBC: red blood cells; RPGN: rapidly progressive glomerulonephritis; S1: first heart sound; S2: second heart sound; TTE: transthoracic echocardiogram.
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Affiliation(s)
- Suwanna Pornrattanarungsi
- Divisions of Paediatric Cardiology, Faculty of Medicine, Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Sudarat Eursiriwan
- Divisions of Paediatric Cardiology, Faculty of Medicine, Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Yupaporn Amornchaicharoensuk
- Divisions of Paediatric Nephrology, Faculty of Medicine, Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Chutima Chavanisakun
- Department of Anatomical Pathology, Faculty of Medicine, Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Ornatcha Sirimongkolchaiyakul
- Divisions of Paediatric Nephrology, Faculty of Medicine, Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
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Lavine N, Ohayon A, Mahroum N. Renal autoimmunity: The role of bacterial and viral infections, an extensive review. Autoimmun Rev 2022; 21:103073. [PMID: 35245692 DOI: 10.1016/j.autrev.2022.103073] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 02/27/2022] [Indexed: 02/08/2023]
Abstract
Autoimmunity is a process by which the loss of self-tolerance results in an immune attack against the body own tissues and organs. For autoimmunity to occur, various elements serving as triggers were described by which infections are considered one of the leading factors. In turn, renal involvement in autoimmune diseases, whether by an organ-specific attack, or as part of a systemic disease process, is well known. As bacterial and viral infections are considered to be common triggers for autoimmunity in general, we aimed to study their association with renal autoimmunity in particular. We performed an extensive search of the recent and relevant medical literature regarding renal autoimmunity syndromes such as infection-associated glomerulonephritis and vasculitis, associated with bacterial and viral infections. By utilizing PubMed and Google Scholar search engines, over 200 articles and case reports were reviewed. Among other mechanisms, direct infection of the renal parenchyma, molecular mimicry, induction of B-cells or secretion of superantigens, bacterial and viral pathogens were found to correlate with the development of renal autoimmunity. Nevertheless, this was not true for all pathogens, as some mimic autoimmune diseases and others show a surprisingly protective effect. The exact immunopathogenesis is yet to be determined, however. For conclusion, bacterial and viral infections are linked to renal autoimmunity by both direct damage and as mediators of systemic diseases. Further research particularly on the immunopathogenetic mechanisms of renal autoimmunity associated with infections is required.
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Affiliation(s)
- Noy Lavine
- St. George School of Medicine, University of London, London, UK; Zabludowicz Center for autoimmune diseases, Sheba Medical Center, Ramat-Gan, Israel.
| | - Aviran Ohayon
- St. George School of Medicine, University of London, London, UK; Zabludowicz Center for autoimmune diseases, Sheba Medical Center, Ramat-Gan, Israel
| | - Naim Mahroum
- Zabludowicz Center for autoimmune diseases, Sheba Medical Center, Ramat-Gan, Israel; International School of Medicine, Istanbul Medipol University, Istanbul, Turkey
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Aghababa H, Ting YT, Pilapitiya D, Loh JM, Young PG, Proft T. Complement evasion factor (CEF), a novel immune evasion factor of Streptococcus pyogenes. Virulence 2022; 13:225-240. [PMID: 35094646 PMCID: PMC8803112 DOI: 10.1080/21505594.2022.2027629] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Streptococcus pyogenes, a leading human pathogen, is responsible for a wide range of diseases, including skin and soft tissue infections and severe invasive diseases. S. pyogenes produces a large arsenal of virulence factors, including several immune evasion factors. We have identified an open reading frame (spy0136) in the S. pyogenes SF370 genome encoding a protein of unknown function. Using recombinant Spy0136 in a pull-down assay with human plasma and ELISA, we have identified four complement proteins (C1r, C1s, C3, and C5) as binding partners. Treatment of the complement proteins with PNGase F abrogated binding to C1s, C3, and C5, indicating glycan-dependent interactions. rSpy0136 inhibited complement-mediated hemolysis and interfered with all three complement pathways in a Wieslab complement assay. Furthermore, rSpy0136 inhibited deposition of the C3b opsonin and the membrane attack complex (MAC) on the surface of S. pyogenes. We therefore named the previously unknown protein ‘complement evasion factor’ (CEF). An S. pyogenes Δspy0136/cef deletion mutant showed decreased virulence in an in-vitro whole blood killing assay and a Galleria mellonella (wax moth) infection model. Furthermore, an L. lactis spy0136/cef gain-of-function mutant showed increased survival during growth in whole human blood. Analysis of serum samples from patients with invasive S. pyogenes revealed Spy0136/CEF sero-conversion indicating expression during disease. In summary, we have identified a novel S. pyogenes immune evasion factor that binds to several complement proteins to interfere with complement function. This is the first example of a S. pyogenes virulence factor binding to several different target proteins via glycan-dependent interactions.
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Affiliation(s)
- Haniyeh Aghababa
- Department of Molecular Medicine & Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
| | - Yi Tian Ting
- School of Biological Sciences, the University of Auckland, Auckland, New Zealand
- Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, Australia
| | - Devaki Pilapitiya
- Department of Molecular Medicine & Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
- University of Melbourne, The Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
| | - Jacelyn M.S. Loh
- Department of Molecular Medicine & Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
- Maurice Wilkins Centre for Biomolecular Discoveries. The University of Auckland, Auckland, New Zealand
| | - Paul G. Young
- School of Biological Sciences, the University of Auckland, Auckland, New Zealand
- Maurice Wilkins Centre for Biomolecular Discoveries. The University of Auckland, Auckland, New Zealand
| | - Thomas Proft
- Department of Molecular Medicine & Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
- Maurice Wilkins Centre for Biomolecular Discoveries. The University of Auckland, Auckland, New Zealand
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Nagasawa Y, Misaki T, Ito S, Naka S, Wato K, Nomura R, Matsumoto-Nakano M, Nakano K. Title IgA Nephropathy and Oral Bacterial Species Related to Dental Caries and Periodontitis. Int J Mol Sci 2022; 23:725. [PMID: 35054910 PMCID: PMC8775524 DOI: 10.3390/ijms23020725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/04/2022] [Accepted: 01/07/2022] [Indexed: 12/23/2022] Open
Abstract
A relationship between IgA nephropathy (IgAN) and bacterial infection has been suspected. As IgAN is a chronic disease, bacteria that could cause chronic infection in oral areas might be pathogenetic bacteria candidates. Oral bacterial species related to dental caries and periodontitis should be candidates because these bacteria are well known to be pathogenic in chronic dental disease. Recently, several reports have indicated that collagen-binding protein (cnm)-(+) Streptococcs mutans is relate to the incidence of IgAN and the progression of IgAN. Among periodontal bacteria, Treponema denticola, Porphyromonas gingivalis and Campylobacte rectus were found to be related to the incidence of IgAN. These bacteria can cause IgAN-like histological findings in animal models. While the connection between oral bacterial infection, such as infection with S. mutans and periodontal bacteria, and the incidence of IgAN remains unclear, these bacterial infections might cause aberrantly glycosylated IgA1 in nasopharynx-associated lymphoid tissue, which has been reported to cause IgA deposition in mesangial areas in glomeruli, probably through the alteration of microRNAs related to the expression of glycosylation enzymes. The roles of other factors related to the incidence and progression of IgA, such as genes and cigarette smoking, can also be explained from the perspective of the relationship between these factors and oral bacteria. This review summarizes the relationship between IgAN and oral bacteria, such as cnm-(+) S. mutans and periodontal bacteria.
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Affiliation(s)
- Yasuyuki Nagasawa
- Department of General Internal Medicine, Hyogo College of Medicine, Nishinomiya 663-8501, Hyogo, Japan
| | - Taro Misaki
- Division of Nephrology, Seirei Hamamatsu General Hospital, Hamamatsu 430-8558, Shizuoka, Japan;
- Department of Nursing, Faculty of Nursing, Seirei Christopher University, Hamamatsu 433-8558, Shizuoka, Japan
| | - Seigo Ito
- Department of Internal Medicine, Japan Self-Defense Gifu Hospital, Kakamigahara 502-0817, Gifu, Japan;
| | - Shuhei Naka
- Department of Pediatric Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8525, Okayama, Japan; (S.N.); (M.M.-N.)
| | - Kaoruko Wato
- Department of Pediatric Dentistry, Division of Oral Infection and Disease Control, Osaka University Graduate School of Dentistry, Suita 565-0871, Osaka, Japan; (K.W.); (R.N.); (K.N.)
| | - Ryota Nomura
- Department of Pediatric Dentistry, Division of Oral Infection and Disease Control, Osaka University Graduate School of Dentistry, Suita 565-0871, Osaka, Japan; (K.W.); (R.N.); (K.N.)
| | - Michiyo Matsumoto-Nakano
- Department of Pediatric Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8525, Okayama, Japan; (S.N.); (M.M.-N.)
| | - Kazuhiko Nakano
- Department of Pediatric Dentistry, Division of Oral Infection and Disease Control, Osaka University Graduate School of Dentistry, Suita 565-0871, Osaka, Japan; (K.W.); (R.N.); (K.N.)
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