Placental Transport of Maternal Immunoglobulin G in Pregnancies at Risk of Rh (D) Hemolytic Disease of the Newborn
PROBLEM: The following questions were addressed: Is the placental transport of immunoglobulin (Ig)G, IgG1, and IgG3 diminished in pregnancies at risk of hemolytic disease of the newborn? Is the placental transport of IgG, IgG1, and IgG3 correlated with the hemoglobin concentration in the fetus and A...
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| Veröffentlicht in: | American journal of reproductive immunology (1989) 1998-05, Vol.39 (5), p.323-328 |
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| creator | Palfi, Miodrag Hildén, Jan-Olof Gottvall, Tomas Selbing, Anders |
| description | PROBLEM: The following questions were addressed: Is the placental transport of immunoglobulin (Ig)G, IgG1, and IgG3 diminished in pregnancies at risk of hemolytic disease of the newborn? Is the placental transport of IgG, IgG1, and IgG3 correlated with the hemoglobin concentration in the fetus and AutoAnalyzer (AA) quantitations of maternal anti‐D?
METHOD OF STUDY: IgG concentrations were determined retrospectively in 41 paired fetal/maternal (f/m) samples in 31 Rh (D) alloimmunized pregnancies. IgG1 and IgG3 concentrations were determined in those 23 cases in which the results of fetal hemoglobin concentration and quantitations of maternal anti‐D were available. The results were compared with values found in normal pregnancy and correlated with maternal anti‐D AA quantitations and fetal hemoglobin concentrations.
RESULTS: Fetal IgG, IgG1, and IgG3 concentrations, and the corresponding fetomaternal ratios in Rh (D) alloimmunized pregnancies, increased with gestational age according to the following formulas (obtained by simple regression): Fetal IgG = −8.846 + 0.491.gestational age (GA), (R2 = 0.544); fetal IgG1 = −10.021 + 0.46GA, (R2 = 0.463); fetal IgG3 = −0.865 + 0.039GA, (R2 = 0.327); f/m IgG = −1.006 + 0.054−GA, (R2 = 0.557); f/m IgG1 = −1.876 + 0.085GA, (R2 = 0.654); f/m IgG3 = −0.199 + 0.026GA, (R2 = 0.146).
CONCLUSIONS: The placental transport of IgG, IgG1, and IgG3 in women with Rh (D) immunizations is not diminished compared with normal pregnancy. However, AA quantitations of anti‐D are inversely correlated with f/m IgG ratio, f/m IgG1 ratio, and fetal IgG and IgG1 concentrations (P = 0.002, P = 0.004, P = 0.02, and P = 0.02 respectively).
The placental transport of IgG3 is significantly higher in pregnancies at risk of hemolytic disease of the newborn compared with IgG3 concentrations in normal pregnancy. |
| doi_str_mv | 10.1111/j.1600-0897.1998.tb00525.x |
| format | Article |
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METHOD OF STUDY: IgG concentrations were determined retrospectively in 41 paired fetal/maternal (f/m) samples in 31 Rh (D) alloimmunized pregnancies. IgG1 and IgG3 concentrations were determined in those 23 cases in which the results of fetal hemoglobin concentration and quantitations of maternal anti‐D were available. The results were compared with values found in normal pregnancy and correlated with maternal anti‐D AA quantitations and fetal hemoglobin concentrations.
RESULTS: Fetal IgG, IgG1, and IgG3 concentrations, and the corresponding fetomaternal ratios in Rh (D) alloimmunized pregnancies, increased with gestational age according to the following formulas (obtained by simple regression): Fetal IgG = −8.846 + 0.491.gestational age (GA), (R2 = 0.544); fetal IgG1 = −10.021 + 0.46GA, (R2 = 0.463); fetal IgG3 = −0.865 + 0.039GA, (R2 = 0.327); f/m IgG = −1.006 + 0.054−GA, (R2 = 0.557); f/m IgG1 = −1.876 + 0.085GA, (R2 = 0.654); f/m IgG3 = −0.199 + 0.026GA, (R2 = 0.146).
CONCLUSIONS: The placental transport of IgG, IgG1, and IgG3 in women with Rh (D) immunizations is not diminished compared with normal pregnancy. However, AA quantitations of anti‐D are inversely correlated with f/m IgG ratio, f/m IgG1 ratio, and fetal IgG and IgG1 concentrations (P = 0.002, P = 0.004, P = 0.02, and P = 0.02 respectively).
The placental transport of IgG3 is significantly higher in pregnancies at risk of hemolytic disease of the newborn compared with IgG3 concentrations in normal pregnancy.</description><identifier>ISSN: 1046-7408</identifier><identifier>EISSN: 1600-0897</identifier><identifier>DOI: 10.1111/j.1600-0897.1998.tb00525.x</identifier><identifier>PMID: 9602250</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Biological and medical sciences ; Diseases of mother, fetus and pregnancy ; Erythroblastosis, Fetal - etiology ; Female ; Fetal Blood - immunology ; Gestational Age ; Gynecology. Andrology. Obstetrics ; Hemoglobins - analysis ; hemolytic disease of the newborn ; Humans ; IgG placental transport ; IgG1 ; IgG3 ; Immunoglobulin G - blood ; Infant, Newborn ; Maternal-Fetal Exchange - immunology ; Medical sciences ; Placenta - immunology ; Pregnancy ; Pregnancy. Fetus. Placenta ; Retrospective Studies ; Rh (D) alloimmunization ; Rh Isoimmunization ; Risk Factors</subject><ispartof>American journal of reproductive immunology (1989), 1998-05, Vol.39 (5), p.323-328</ispartof><rights>1998 Munksgaard</rights><rights>1998 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4365-7eca8f0a976f11482a5ecce6733fa8ff7c2c18077acf9965e5091b91d20d97283</citedby><cites>FETCH-LOGICAL-c4365-7eca8f0a976f11482a5ecce6733fa8ff7c2c18077acf9965e5091b91d20d97283</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1600-0897.1998.tb00525.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1600-0897.1998.tb00525.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,1411,23909,23910,25118,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2225186$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9602250$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Palfi, Miodrag</creatorcontrib><creatorcontrib>Hildén, Jan-Olof</creatorcontrib><creatorcontrib>Gottvall, Tomas</creatorcontrib><creatorcontrib>Selbing, Anders</creatorcontrib><title>Placental Transport of Maternal Immunoglobulin G in Pregnancies at Risk of Rh (D) Hemolytic Disease of the Newborn</title><title>American journal of reproductive immunology (1989)</title><addtitle>Am J Reprod Immunol</addtitle><description>PROBLEM: The following questions were addressed: Is the placental transport of immunoglobulin (Ig)G, IgG1, and IgG3 diminished in pregnancies at risk of hemolytic disease of the newborn? Is the placental transport of IgG, IgG1, and IgG3 correlated with the hemoglobin concentration in the fetus and AutoAnalyzer (AA) quantitations of maternal anti‐D?
METHOD OF STUDY: IgG concentrations were determined retrospectively in 41 paired fetal/maternal (f/m) samples in 31 Rh (D) alloimmunized pregnancies. IgG1 and IgG3 concentrations were determined in those 23 cases in which the results of fetal hemoglobin concentration and quantitations of maternal anti‐D were available. The results were compared with values found in normal pregnancy and correlated with maternal anti‐D AA quantitations and fetal hemoglobin concentrations.
RESULTS: Fetal IgG, IgG1, and IgG3 concentrations, and the corresponding fetomaternal ratios in Rh (D) alloimmunized pregnancies, increased with gestational age according to the following formulas (obtained by simple regression): Fetal IgG = −8.846 + 0.491.gestational age (GA), (R2 = 0.544); fetal IgG1 = −10.021 + 0.46GA, (R2 = 0.463); fetal IgG3 = −0.865 + 0.039GA, (R2 = 0.327); f/m IgG = −1.006 + 0.054−GA, (R2 = 0.557); f/m IgG1 = −1.876 + 0.085GA, (R2 = 0.654); f/m IgG3 = −0.199 + 0.026GA, (R2 = 0.146).
CONCLUSIONS: The placental transport of IgG, IgG1, and IgG3 in women with Rh (D) immunizations is not diminished compared with normal pregnancy. However, AA quantitations of anti‐D are inversely correlated with f/m IgG ratio, f/m IgG1 ratio, and fetal IgG and IgG1 concentrations (P = 0.002, P = 0.004, P = 0.02, and P = 0.02 respectively).
The placental transport of IgG3 is significantly higher in pregnancies at risk of hemolytic disease of the newborn compared with IgG3 concentrations in normal pregnancy.</description><subject>Biological and medical sciences</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>Erythroblastosis, Fetal - etiology</subject><subject>Female</subject><subject>Fetal Blood - immunology</subject><subject>Gestational Age</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Hemoglobins - analysis</subject><subject>hemolytic disease of the newborn</subject><subject>Humans</subject><subject>IgG placental transport</subject><subject>IgG1</subject><subject>IgG3</subject><subject>Immunoglobulin G - blood</subject><subject>Infant, Newborn</subject><subject>Maternal-Fetal Exchange - immunology</subject><subject>Medical sciences</subject><subject>Placenta - immunology</subject><subject>Pregnancy</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>Retrospective Studies</subject><subject>Rh (D) alloimmunization</subject><subject>Rh Isoimmunization</subject><subject>Risk Factors</subject><issn>1046-7408</issn><issn>1600-0897</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqVkF9v0zAUxS0EGmPwEZAshBA8JNhO4z88IE0tdEXbmMYQj5bj3mzpnLjYidZ-exw16jt-sK_uOfdc64fQO0pyms7nTU45IRmRSuRUKZn3FSElK_PdM3R6lJ6nmsx4JmZEvkSvYtwQkvqFOEEnihPGSnKKwo0zFrreOHwXTBe3PvTY1_jK9BC61F217dD5e-erwTUdXuJ03QS470xnG4jY9Pi2iY_jzO0D_rj4hC-g9W7fNxYvmggmwqj1D4Cv4anyoXuNXtTGRXgzvWfo9_dvd_OL7PLncjU_v8zsrOBlJsAaWROjBK8pnUlmSrAWuCiKOgm1sMxSSYQwtlaKl1ASRStF14yslWCyOEMfDrnb4P8OEHvdNtGCc6YDP0QtlFS05CwZvxyMNvgYA9R6G5rWhL2mRI_A9UaPVPVIVY_A9QRc79Lw22nLULWwPo5OhJP-ftJNtMbVYeQWjzaWTFTyZPt6sD01Dvb_8QF9_mOVihSQHQKa2MPuGGDCo07IRKn_XC_1Ul79ms8XVC-Kf_f7q98</recordid><startdate>199805</startdate><enddate>199805</enddate><creator>Palfi, Miodrag</creator><creator>Hildén, Jan-Olof</creator><creator>Gottvall, Tomas</creator><creator>Selbing, Anders</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><scope>BSCLL</scope><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>199805</creationdate><title>Placental Transport of Maternal Immunoglobulin G in Pregnancies at Risk of Rh (D) Hemolytic Disease of the Newborn</title><author>Palfi, Miodrag ; Hildén, Jan-Olof ; Gottvall, Tomas ; Selbing, Anders</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4365-7eca8f0a976f11482a5ecce6733fa8ff7c2c18077acf9965e5091b91d20d97283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Biological and medical sciences</topic><topic>Diseases of mother, fetus and pregnancy</topic><topic>Erythroblastosis, Fetal - etiology</topic><topic>Female</topic><topic>Fetal Blood - immunology</topic><topic>Gestational Age</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Hemoglobins - analysis</topic><topic>hemolytic disease of the newborn</topic><topic>Humans</topic><topic>IgG placental transport</topic><topic>IgG1</topic><topic>IgG3</topic><topic>Immunoglobulin G - blood</topic><topic>Infant, Newborn</topic><topic>Maternal-Fetal Exchange - immunology</topic><topic>Medical sciences</topic><topic>Placenta - immunology</topic><topic>Pregnancy</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>Retrospective Studies</topic><topic>Rh (D) alloimmunization</topic><topic>Rh Isoimmunization</topic><topic>Risk Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Palfi, Miodrag</creatorcontrib><creatorcontrib>Hildén, Jan-Olof</creatorcontrib><creatorcontrib>Gottvall, Tomas</creatorcontrib><creatorcontrib>Selbing, Anders</creatorcontrib><collection>Istex</collection><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>American journal of reproductive immunology (1989)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Palfi, Miodrag</au><au>Hildén, Jan-Olof</au><au>Gottvall, Tomas</au><au>Selbing, Anders</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Placental Transport of Maternal Immunoglobulin G in Pregnancies at Risk of Rh (D) Hemolytic Disease of the Newborn</atitle><jtitle>American journal of reproductive immunology (1989)</jtitle><addtitle>Am J Reprod Immunol</addtitle><date>1998-05</date><risdate>1998</risdate><volume>39</volume><issue>5</issue><spage>323</spage><epage>328</epage><pages>323-328</pages><issn>1046-7408</issn><eissn>1600-0897</eissn><abstract>PROBLEM: The following questions were addressed: Is the placental transport of immunoglobulin (Ig)G, IgG1, and IgG3 diminished in pregnancies at risk of hemolytic disease of the newborn? Is the placental transport of IgG, IgG1, and IgG3 correlated with the hemoglobin concentration in the fetus and AutoAnalyzer (AA) quantitations of maternal anti‐D?
METHOD OF STUDY: IgG concentrations were determined retrospectively in 41 paired fetal/maternal (f/m) samples in 31 Rh (D) alloimmunized pregnancies. IgG1 and IgG3 concentrations were determined in those 23 cases in which the results of fetal hemoglobin concentration and quantitations of maternal anti‐D were available. The results were compared with values found in normal pregnancy and correlated with maternal anti‐D AA quantitations and fetal hemoglobin concentrations.
RESULTS: Fetal IgG, IgG1, and IgG3 concentrations, and the corresponding fetomaternal ratios in Rh (D) alloimmunized pregnancies, increased with gestational age according to the following formulas (obtained by simple regression): Fetal IgG = −8.846 + 0.491.gestational age (GA), (R2 = 0.544); fetal IgG1 = −10.021 + 0.46GA, (R2 = 0.463); fetal IgG3 = −0.865 + 0.039GA, (R2 = 0.327); f/m IgG = −1.006 + 0.054−GA, (R2 = 0.557); f/m IgG1 = −1.876 + 0.085GA, (R2 = 0.654); f/m IgG3 = −0.199 + 0.026GA, (R2 = 0.146).
CONCLUSIONS: The placental transport of IgG, IgG1, and IgG3 in women with Rh (D) immunizations is not diminished compared with normal pregnancy. However, AA quantitations of anti‐D are inversely correlated with f/m IgG ratio, f/m IgG1 ratio, and fetal IgG and IgG1 concentrations (P = 0.002, P = 0.004, P = 0.02, and P = 0.02 respectively).
The placental transport of IgG3 is significantly higher in pregnancies at risk of hemolytic disease of the newborn compared with IgG3 concentrations in normal pregnancy.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>9602250</pmid><doi>10.1111/j.1600-0897.1998.tb00525.x</doi><tpages>6</tpages></addata></record> |
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| subjects | Biological and medical sciences Diseases of mother, fetus and pregnancy Erythroblastosis, Fetal - etiology Female Fetal Blood - immunology Gestational Age Gynecology. Andrology. Obstetrics Hemoglobins - analysis hemolytic disease of the newborn Humans IgG placental transport IgG1 IgG3 Immunoglobulin G - blood Infant, Newborn Maternal-Fetal Exchange - immunology Medical sciences Placenta - immunology Pregnancy Pregnancy. Fetus. Placenta Retrospective Studies Rh (D) alloimmunization Rh Isoimmunization Risk Factors |
| title | Placental Transport of Maternal Immunoglobulin G in Pregnancies at Risk of Rh (D) Hemolytic Disease of the Newborn |
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