IgA serology in recurrent and non-recurrent IgA nephropathy after renal transplantation
This study investigated whether abnormal circulation of macromolecular IgA and IgA with altered glycosylation or electrical charge plays a role in the recurrence of IgA nephropathy (IgAN) after transplantation. A total of 92 renal transplant patients were enrolled; 52 IgAN patients and 40 with other...
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| Veröffentlicht in: | Nephrology, dialysis, transplantation dialysis, transplantation, 1995-12, Vol.10 (12), p.2310-2315 |
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| creator | COPPO, R AMORE, A CLARKSON, A. R WOODROFFE, A CIRINA, P MESSINA, M BASOLO, B SEGOLONI, G BERTHOUX, F BOULHAROUZ, R EGIDO, J ALCAZAR, R |
| description | This study investigated whether abnormal circulation of macromolecular IgA and IgA with altered glycosylation or electrical charge plays a role in the recurrence of IgA nephropathy (IgAN) after transplantation.
A total of 92 renal transplant patients were enrolled; 52 IgAN patients and 40 with other non-IgAN. The IgAN group included 10 patients showing IgA mesangial deposits in the grafted kidneys (recurrent group) and 10 who did not (immunohistochemically proven non-recurrent group). In addition another 22 IgAN transplant patients were clinically free of recurrent disease.
The analyses included macromolecular IgA (IgAIC) detected by the conglutinin assay (K), heavy IgA precipitated in 2.5% polyethylene glycol (PEG), IgA-fibronectin aggregates (IgA/F Aggr), mixed IgA/IgGIC, IgA binding to mesangial matrix components (fibronectin, laminin, type IV collagen) or polycations (poly-L-lysine) and IgA with altered glycosylation (Jacalin-binding assay).
After transplantation, IgAN patients displayed significantly higher mean levels for each variable measured than non-IgAN (ANOVA, P < 0.05). By stepwise regression analysis, the binding of IgA to fibronectin had the highest coefficient. By comparing data in recurrent and clinically non-recurrent IgAN, we observed that two groups could be distinguished by the results of the two assays for macromolecular IgA (conglutinin IgAIC and IgA-fibronectin aggregates) and IgA with increased affinity for type IV collagen (P < 0.05). When the selected group of immunohistochemically proven non-recurrent IgAN was compared to the recurrent one, a statistically significant difference was found only for the binding of IgA to type IV collagen (P < 0.05). Data from this test were significantly related with proteinuria (P < 0.05) and microscopic haematuria (P < 0.04).
Even though the IgA serology of renal transplant IgAN patients shows peculiar features and recurrent and non-recurrent IgAN differ in many aspects, the prevalence of positive data in the two groups had no predictive value. This suggests that the recurrence of IgAN is modulated by factors affecting the interaction between circulating abnormal IgA and mesangial cells and/or matrix. |
| doi_str_mv | 10.1093/ndt/10.12.2310 |
| format | Article |
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A total of 92 renal transplant patients were enrolled; 52 IgAN patients and 40 with other non-IgAN. The IgAN group included 10 patients showing IgA mesangial deposits in the grafted kidneys (recurrent group) and 10 who did not (immunohistochemically proven non-recurrent group). In addition another 22 IgAN transplant patients were clinically free of recurrent disease.
The analyses included macromolecular IgA (IgAIC) detected by the conglutinin assay (K), heavy IgA precipitated in 2.5% polyethylene glycol (PEG), IgA-fibronectin aggregates (IgA/F Aggr), mixed IgA/IgGIC, IgA binding to mesangial matrix components (fibronectin, laminin, type IV collagen) or polycations (poly-L-lysine) and IgA with altered glycosylation (Jacalin-binding assay).
After transplantation, IgAN patients displayed significantly higher mean levels for each variable measured than non-IgAN (ANOVA, P < 0.05). By stepwise regression analysis, the binding of IgA to fibronectin had the highest coefficient. By comparing data in recurrent and clinically non-recurrent IgAN, we observed that two groups could be distinguished by the results of the two assays for macromolecular IgA (conglutinin IgAIC and IgA-fibronectin aggregates) and IgA with increased affinity for type IV collagen (P < 0.05). When the selected group of immunohistochemically proven non-recurrent IgAN was compared to the recurrent one, a statistically significant difference was found only for the binding of IgA to type IV collagen (P < 0.05). Data from this test were significantly related with proteinuria (P < 0.05) and microscopic haematuria (P < 0.04).
Even though the IgA serology of renal transplant IgAN patients shows peculiar features and recurrent and non-recurrent IgAN differ in many aspects, the prevalence of positive data in the two groups had no predictive value. This suggests that the recurrence of IgAN is modulated by factors affecting the interaction between circulating abnormal IgA and mesangial cells and/or matrix.</description><identifier>ISSN: 0931-0509</identifier><identifier>EISSN: 1460-2385</identifier><identifier>DOI: 10.1093/ndt/10.12.2310</identifier><identifier>PMID: 8808231</identifier><identifier>CODEN: NDTREA</identifier><language>eng</language><publisher>Oxford: Oxford University Press</publisher><subject>Analysis of Variance ; Binding Sites ; Biological and medical sciences ; Collagen - blood ; Female ; Follow-Up Studies ; Glomerulonephritis, IGA - blood ; Glomerulonephritis, IGA - diagnosis ; Humans ; Immunoglobulin A - blood ; Kidney Transplantation ; Male ; Medical sciences ; Recurrence ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Surgery of the urinary system</subject><ispartof>Nephrology, dialysis, transplantation, 1995-12, Vol.10 (12), p.2310-2315</ispartof><rights>1996 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-3078b436ed5218de86fd3b83f0e7338b9f083a961afa94aae1aa92718deeab0e3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>309,310,314,780,784,789,790,23930,23931,25140,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2955363$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8808231$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>COPPO, R</creatorcontrib><creatorcontrib>AMORE, A</creatorcontrib><creatorcontrib>CLARKSON, A. R</creatorcontrib><creatorcontrib>WOODROFFE, A</creatorcontrib><creatorcontrib>CIRINA, P</creatorcontrib><creatorcontrib>MESSINA, M</creatorcontrib><creatorcontrib>BASOLO, B</creatorcontrib><creatorcontrib>SEGOLONI, G</creatorcontrib><creatorcontrib>BERTHOUX, F</creatorcontrib><creatorcontrib>BOULHAROUZ, R</creatorcontrib><creatorcontrib>EGIDO, J</creatorcontrib><creatorcontrib>ALCAZAR, R</creatorcontrib><title>IgA serology in recurrent and non-recurrent IgA nephropathy after renal transplantation</title><title>Nephrology, dialysis, transplantation</title><addtitle>Nephrol Dial Transplant</addtitle><description>This study investigated whether abnormal circulation of macromolecular IgA and IgA with altered glycosylation or electrical charge plays a role in the recurrence of IgA nephropathy (IgAN) after transplantation.
A total of 92 renal transplant patients were enrolled; 52 IgAN patients and 40 with other non-IgAN. The IgAN group included 10 patients showing IgA mesangial deposits in the grafted kidneys (recurrent group) and 10 who did not (immunohistochemically proven non-recurrent group). In addition another 22 IgAN transplant patients were clinically free of recurrent disease.
The analyses included macromolecular IgA (IgAIC) detected by the conglutinin assay (K), heavy IgA precipitated in 2.5% polyethylene glycol (PEG), IgA-fibronectin aggregates (IgA/F Aggr), mixed IgA/IgGIC, IgA binding to mesangial matrix components (fibronectin, laminin, type IV collagen) or polycations (poly-L-lysine) and IgA with altered glycosylation (Jacalin-binding assay).
After transplantation, IgAN patients displayed significantly higher mean levels for each variable measured than non-IgAN (ANOVA, P < 0.05). By stepwise regression analysis, the binding of IgA to fibronectin had the highest coefficient. By comparing data in recurrent and clinically non-recurrent IgAN, we observed that two groups could be distinguished by the results of the two assays for macromolecular IgA (conglutinin IgAIC and IgA-fibronectin aggregates) and IgA with increased affinity for type IV collagen (P < 0.05). When the selected group of immunohistochemically proven non-recurrent IgAN was compared to the recurrent one, a statistically significant difference was found only for the binding of IgA to type IV collagen (P < 0.05). Data from this test were significantly related with proteinuria (P < 0.05) and microscopic haematuria (P < 0.04).
Even though the IgA serology of renal transplant IgAN patients shows peculiar features and recurrent and non-recurrent IgAN differ in many aspects, the prevalence of positive data in the two groups had no predictive value. This suggests that the recurrence of IgAN is modulated by factors affecting the interaction between circulating abnormal IgA and mesangial cells and/or matrix.</description><subject>Analysis of Variance</subject><subject>Binding Sites</subject><subject>Biological and medical sciences</subject><subject>Collagen - blood</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Glomerulonephritis, IGA - blood</subject><subject>Glomerulonephritis, IGA - diagnosis</subject><subject>Humans</subject><subject>Immunoglobulin A - blood</subject><subject>Kidney Transplantation</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Recurrence</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Surgery of the urinary system</subject><issn>0931-0509</issn><issn>1460-2385</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkM1PwzAMxSMEGmNw5YbUA-LWzWnWNjlOEx-TJnEBcazc1t2KurQk6WH_PSmrxsmW3-9Z9mPsnsOcgxILXbrF0EfzSHC4YFO-TCCMhIwv2dQDPIQY1DW7sfYbAFSUphM2kRKk56fsa7NbBZZM27S7Y1DrwFDRG0PaBajLQLc6_J8MrKZub9oO3f4YYOXIeIfGJnAGte0a1A5d3epbdlVhY-lurDP2-fL8sX4Lt--vm_VqGxZCKhcKSGW-FAmVccRlSTKpSpFLUQGlQshcVSAFqoRjhWqJSBzRvzCghDmQmLGn097OtD89WZcdaltQ4w-htrdZmiqIZQIenJ_AwrTWGqqyztQHNMeMQzYkmfkk__ooG5L0hodxc58fqDzjY3Refxx1tAU2lf-_qO0Zi1Qci0SIX3BWfSE</recordid><startdate>19951201</startdate><enddate>19951201</enddate><creator>COPPO, R</creator><creator>AMORE, A</creator><creator>CLARKSON, A. R</creator><creator>WOODROFFE, A</creator><creator>CIRINA, P</creator><creator>MESSINA, M</creator><creator>BASOLO, B</creator><creator>SEGOLONI, G</creator><creator>BERTHOUX, F</creator><creator>BOULHAROUZ, R</creator><creator>EGIDO, J</creator><creator>ALCAZAR, R</creator><general>Oxford University Press</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19951201</creationdate><title>IgA serology in recurrent and non-recurrent IgA nephropathy after renal transplantation</title><author>COPPO, R ; AMORE, A ; CLARKSON, A. R ; WOODROFFE, A ; CIRINA, P ; MESSINA, M ; BASOLO, B ; SEGOLONI, G ; BERTHOUX, F ; BOULHAROUZ, R ; EGIDO, J ; ALCAZAR, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-3078b436ed5218de86fd3b83f0e7338b9f083a961afa94aae1aa92718deeab0e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Analysis of Variance</topic><topic>Binding Sites</topic><topic>Biological and medical sciences</topic><topic>Collagen - blood</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Glomerulonephritis, IGA - blood</topic><topic>Glomerulonephritis, IGA - diagnosis</topic><topic>Humans</topic><topic>Immunoglobulin A - blood</topic><topic>Kidney Transplantation</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Recurrence</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Surgery of the urinary system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>COPPO, R</creatorcontrib><creatorcontrib>AMORE, A</creatorcontrib><creatorcontrib>CLARKSON, A. R</creatorcontrib><creatorcontrib>WOODROFFE, A</creatorcontrib><creatorcontrib>CIRINA, P</creatorcontrib><creatorcontrib>MESSINA, M</creatorcontrib><creatorcontrib>BASOLO, B</creatorcontrib><creatorcontrib>SEGOLONI, G</creatorcontrib><creatorcontrib>BERTHOUX, F</creatorcontrib><creatorcontrib>BOULHAROUZ, R</creatorcontrib><creatorcontrib>EGIDO, J</creatorcontrib><creatorcontrib>ALCAZAR, R</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Nephrology, dialysis, transplantation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>COPPO, R</au><au>AMORE, A</au><au>CLARKSON, A. R</au><au>WOODROFFE, A</au><au>CIRINA, P</au><au>MESSINA, M</au><au>BASOLO, B</au><au>SEGOLONI, G</au><au>BERTHOUX, F</au><au>BOULHAROUZ, R</au><au>EGIDO, J</au><au>ALCAZAR, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>IgA serology in recurrent and non-recurrent IgA nephropathy after renal transplantation</atitle><jtitle>Nephrology, dialysis, transplantation</jtitle><addtitle>Nephrol Dial Transplant</addtitle><date>1995-12-01</date><risdate>1995</risdate><volume>10</volume><issue>12</issue><spage>2310</spage><epage>2315</epage><pages>2310-2315</pages><issn>0931-0509</issn><eissn>1460-2385</eissn><coden>NDTREA</coden><abstract>This study investigated whether abnormal circulation of macromolecular IgA and IgA with altered glycosylation or electrical charge plays a role in the recurrence of IgA nephropathy (IgAN) after transplantation.
A total of 92 renal transplant patients were enrolled; 52 IgAN patients and 40 with other non-IgAN. The IgAN group included 10 patients showing IgA mesangial deposits in the grafted kidneys (recurrent group) and 10 who did not (immunohistochemically proven non-recurrent group). In addition another 22 IgAN transplant patients were clinically free of recurrent disease.
The analyses included macromolecular IgA (IgAIC) detected by the conglutinin assay (K), heavy IgA precipitated in 2.5% polyethylene glycol (PEG), IgA-fibronectin aggregates (IgA/F Aggr), mixed IgA/IgGIC, IgA binding to mesangial matrix components (fibronectin, laminin, type IV collagen) or polycations (poly-L-lysine) and IgA with altered glycosylation (Jacalin-binding assay).
After transplantation, IgAN patients displayed significantly higher mean levels for each variable measured than non-IgAN (ANOVA, P < 0.05). By stepwise regression analysis, the binding of IgA to fibronectin had the highest coefficient. By comparing data in recurrent and clinically non-recurrent IgAN, we observed that two groups could be distinguished by the results of the two assays for macromolecular IgA (conglutinin IgAIC and IgA-fibronectin aggregates) and IgA with increased affinity for type IV collagen (P < 0.05). When the selected group of immunohistochemically proven non-recurrent IgAN was compared to the recurrent one, a statistically significant difference was found only for the binding of IgA to type IV collagen (P < 0.05). Data from this test were significantly related with proteinuria (P < 0.05) and microscopic haematuria (P < 0.04).
Even though the IgA serology of renal transplant IgAN patients shows peculiar features and recurrent and non-recurrent IgAN differ in many aspects, the prevalence of positive data in the two groups had no predictive value. This suggests that the recurrence of IgAN is modulated by factors affecting the interaction between circulating abnormal IgA and mesangial cells and/or matrix.</abstract><cop>Oxford</cop><pub>Oxford University Press</pub><pmid>8808231</pmid><doi>10.1093/ndt/10.12.2310</doi><tpages>6</tpages></addata></record> |
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| ispartof | Nephrology, dialysis, transplantation, 1995-12, Vol.10 (12), p.2310-2315 |
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| source | MEDLINE; Oxford University Press Journals Digital Archive Legacy |
| subjects | Analysis of Variance Binding Sites Biological and medical sciences Collagen - blood Female Follow-Up Studies Glomerulonephritis, IGA - blood Glomerulonephritis, IGA - diagnosis Humans Immunoglobulin A - blood Kidney Transplantation Male Medical sciences Recurrence Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Surgery of the urinary system |
| title | IgA serology in recurrent and non-recurrent IgA nephropathy after renal transplantation |
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