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Gao C, Chen Q, Hao X, Wang Q. Immunomodulation of Antibody Glycosylation through the Placental Transfer. Int J Mol Sci 2023; 24:16772. [PMID: 38069094 PMCID: PMC10705935 DOI: 10.3390/ijms242316772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
Establishing an immune balance between the mother and fetus during gestation is crucial, with the placenta acting as the epicenter of immune tolerance. The placental transfer of antibodies, mainly immunoglobulin G (IgG), is critical in protecting the developing fetus from infections. This review looks at how immunomodulation of antibody glycosylation occurs during placental transfer and how it affects fetal health. The passage of maternal IgG antibodies through the placental layers, including the syncytiotrophoblast, stroma, and fetal endothelium, is discussed. The effect of IgG subclass, glycosylation, concentration, maternal infections, and antigen specificity on antibody transfer efficiency is investigated. FcRn-mediated IgG transport, influenced by pH-dependent binding, is essential for placental transfer. Additionally, this review delves into the impact of glycosylation patterns on antibody functionality, considering both protective and pathological effects. Factors affecting the transfer of protective antibodies, such as maternal vaccination, are discussed along with reducing harmful antibodies. This in-depth examination of placental antibody transfer and glycosylation provides insights into improving neonatal immunity and mitigating the effects of maternal autoimmune and alloimmune conditions.
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Affiliation(s)
| | | | | | - Qiushi Wang
- Department of Blood Transfusion, Shengjing Hospital of China Medical University, Shenyang 110004, China
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Wolf B, Blaschke CRK, Mungaray S, Weselman BT, Stefanenko M, Fedoriuk M, Bai H, Rodgers J, Palygin O, Drake RR, Nowling TK. Metabolic Markers and Association of Biological Sex in Lupus Nephritis. Int J Mol Sci 2023; 24:16490. [PMID: 38003679 PMCID: PMC10671813 DOI: 10.3390/ijms242216490] [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: 10/06/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
Lupus nephritis (LN) is a serious complication for many patients who develop systemic lupus erythematosus, which primarily afflicts women. Our studies to identify biomarkers and the pathogenic mechanisms underlying LN will provide a better understanding of disease progression and sex bias, and lead to identification of additional potential therapeutic targets. The glycosphingolipid lactosylceramide (LacCer) and N-linked glycosylated proteins (N-glycans) were measured in urine and serum collected from LN and healthy control (HC) subjects (10 females and 10 males in each group). The sera from the LN and HC subjects were used to stimulate cytokine secretion and intracellular Ca2+ flux in female- and male-derived primary human renal mesangial cells (hRMCs). Significant differences were observed in the urine of LN patients compared to HCs. All major LacCers species were significantly elevated and differences between LN and HC were more pronounced in males. 72 individual N-glycans were altered in LN compared to HC and three N-glycans were significantly different between the sexes. In hRMCs, Ca2+ flux, but not cytokine secretion, was higher in response to LN sera compared to HC sera. Ca2+ flux, cytokine secretion, and glycosphingolipid levels were significantly higher in female-derived compared to male-derived hRMCs. Relative abundance of some LacCers and hexosylceramides were higher in female-derived compared to male-derived hRMCs. Urine LacCers and N-glycome could serve as definitive LN biomarkers and likely reflect renal disease activity. Despite higher sensitivity of female hRMCs, males may experience greater increases in LacCers, which may underscore worse disease in males. Elevated glycosphingolipid metabolism may poise renal cells to be more sensitive to external stimuli.
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Affiliation(s)
- Bethany Wolf
- Department of Public Health Sciences, Medical University of South Carolina, 135 Cannon Street, Suite 303 MSC 835, Charleston, SC 29425, USA;
| | - Calvin R. K. Blaschke
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, 173 Ashley Avenue Basic Science Building 358, Charleston, SC 29425, USA (B.T.W.); (H.B.); (R.R.D.)
| | - Sandy Mungaray
- Division of Rheumatology, Department of Medicine, Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA; (S.M.); (J.R.)
| | - Bryan T. Weselman
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, 173 Ashley Avenue Basic Science Building 358, Charleston, SC 29425, USA (B.T.W.); (H.B.); (R.R.D.)
| | - Mariia Stefanenko
- Division of Nephrology, Department of Medicine, Medical University of South Carolina, Clinical Sciences Building, 96 Jonathan Lucas Street, Charleston, SC 29425, USA; (M.S.); (M.F.); (O.P.)
| | - Mykhailo Fedoriuk
- Division of Nephrology, Department of Medicine, Medical University of South Carolina, Clinical Sciences Building, 96 Jonathan Lucas Street, Charleston, SC 29425, USA; (M.S.); (M.F.); (O.P.)
| | - Hongxia Bai
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, 173 Ashley Avenue Basic Science Building 358, Charleston, SC 29425, USA (B.T.W.); (H.B.); (R.R.D.)
| | - Jessalyn Rodgers
- Division of Rheumatology, Department of Medicine, Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA; (S.M.); (J.R.)
| | - Oleg Palygin
- Division of Nephrology, Department of Medicine, Medical University of South Carolina, Clinical Sciences Building, 96 Jonathan Lucas Street, Charleston, SC 29425, USA; (M.S.); (M.F.); (O.P.)
| | - Richard R. Drake
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, 173 Ashley Avenue Basic Science Building 358, Charleston, SC 29425, USA (B.T.W.); (H.B.); (R.R.D.)
| | - Tamara K. Nowling
- Division of Rheumatology, Department of Medicine, Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA; (S.M.); (J.R.)
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Porcino GN, Bladergroen MR, Dotz V, Nicolardi S, Memarian E, Gardinassi LG, Nery Costa CH, Pacheco de Almeida R, Ferreira de Miranda Santos IK, Wuhrer M. Total serum N-glycans mark visceral leishmaniasis in human infections with Leishmania infantum. iScience 2023; 26:107021. [PMID: 37485378 PMCID: PMC10362369 DOI: 10.1016/j.isci.2023.107021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/07/2023] [Accepted: 05/30/2023] [Indexed: 07/25/2023] Open
Abstract
Visceral leishmaniasis (VL) is a clinical form of leishmaniasis with high mortality rates when not treated. Diagnosis suffers from invasive techniques and sub-optimal sensitivities. The current (affordable) treatment with pentavalent antimony as advised by the WHO is possibly harmful to the patient. There is need for an improved diagnosis to prevent possibly unnecessary treatment. N-glycan analysis may aid in diagnosis. We evaluated the N-glycan profiles from active VL, asymptomatic infections (ASYMP) and controls from non-endemic (NC) and endemic (EC) areas. Active VL has a distinct N-glycome profile that associates with disease severity. Our study suggests that the observed glycan signatures could be a valuable additive to diagnosis and assist in identifying possible markers of disease and understanding the pathogenesis of VL. Further studies are warranted to assess a possible future role of blood glycome analysis in active VL diagnosis and should aim at disease specificity.
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Affiliation(s)
- Gabriane Nascimento Porcino
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14049-900, Brazil
| | - Marco René Bladergroen
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden 2333 ZA, the Netherlands
| | - Viktoria Dotz
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden 2333 ZA, the Netherlands
| | - Simone Nicolardi
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden 2333 ZA, the Netherlands
| | - Elham Memarian
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden 2333 ZA, the Netherlands
| | - Luiz Gustavo Gardinassi
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia 74605-050, Brazil
| | | | - Roque Pacheco de Almeida
- Departamento de Medicina, Programa de Pós-Graduação em Ciências da Saúde – PPGCS, Universidade Federal de Sergipe, Aracajú 49060-100, Brazil
| | | | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden 2333 ZA, the Netherlands
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