Increased Cell Adherence of Group B Streptococci From Preterm Infants With Neonatal Sepsis
Most women with group B streptococcus cervical colonization have uncomplicated pregnancies, but about 1% experience preterm premature rupture of membranes (PROM) followed by neonatal group B streptococcal sepsis. In such cases, streptococcal adherence to and penetration of the membranes may be an im...
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| Veröffentlicht in: | Obstetrics and gynecology (New York. 1953) 1990-11, Vol.76 (5), p.825-827 |
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| container_title | Obstetrics and gynecology (New York. 1953) |
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| creator | HELMIG, RIKKE HALABURT, JETTE THRANE ULDBJERG, NIELS THOMSEN, ANDERS C. STENDERUP, AXEL |
| description | Most women with group B streptococcus cervical colonization have uncomplicated pregnancies, but about 1% experience preterm premature rupture of membranes (PROM) followed by neonatal group B streptococcal sepsis. In such cases, streptococcal adherence to and penetration of the membranes may be an important step in the pathogenesis. In the present study, chorionic epithelial cells were incubated with group B streptococci isolated from either children developing sepsis after preterm PROM (complicated pregnancies) or from uncomplicated pregnancies. Incubation periods varied. The numbers of adherent bacteria per chorionic epithelial cell were counted by microscopic examination. After 70 minutesʼ incubation, the number of adherent group B streptococci in complicated pregnancies was 38, compared with 14 in uncomplicated pregnancies (P < .001). This difference in vitro might reflect the virulence of group B streptococci. (Obstet Gynecol 76:825, 1990) |
| doi_str_mv | 10.1097/00006250-199011000-00020 |
| format | Article |
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In such cases, streptococcal adherence to and penetration of the membranes may be an important step in the pathogenesis. In the present study, chorionic epithelial cells were incubated with group B streptococci isolated from either children developing sepsis after preterm PROM (complicated pregnancies) or from uncomplicated pregnancies. Incubation periods varied. The numbers of adherent bacteria per chorionic epithelial cell were counted by microscopic examination. After 70 minutesʼ incubation, the number of adherent group B streptococci in complicated pregnancies was 38, compared with 14 in uncomplicated pregnancies (P < .001). This difference in vitro might reflect the virulence of group B streptococci. 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Placenta ; Streptococcal Infections - microbiology ; Streptococcus agalactiae - pathogenicity ; Streptococcus agalactiae - physiology ; Time Factors ; Virulence</subject><ispartof>Obstetrics and gynecology (New York. 1953), 1990-11, Vol.76 (5), p.825-827</ispartof><rights>1990 The American College of Obstetricians and Gynecologists</rights><rights>1991 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3850-9e2e5e7b2ff6f46c79cd620e36a83641403f740667b4ec0b7c4e6873364d682b3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19407758$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/2216233$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>HELMIG, RIKKE</creatorcontrib><creatorcontrib>HALABURT, JETTE THRANE</creatorcontrib><creatorcontrib>ULDBJERG, NIELS</creatorcontrib><creatorcontrib>THOMSEN, ANDERS C.</creatorcontrib><creatorcontrib>STENDERUP, AXEL</creatorcontrib><title>Increased Cell Adherence of Group B Streptococci From Preterm Infants With Neonatal Sepsis</title><title>Obstetrics and gynecology (New York. 1953)</title><addtitle>Obstet Gynecol</addtitle><description>Most women with group B streptococcus cervical colonization have uncomplicated pregnancies, but about 1% experience preterm premature rupture of membranes (PROM) followed by neonatal group B streptococcal sepsis. In such cases, streptococcal adherence to and penetration of the membranes may be an important step in the pathogenesis. In the present study, chorionic epithelial cells were incubated with group B streptococci isolated from either children developing sepsis after preterm PROM (complicated pregnancies) or from uncomplicated pregnancies. Incubation periods varied. The numbers of adherent bacteria per chorionic epithelial cell were counted by microscopic examination. After 70 minutesʼ incubation, the number of adherent group B streptococci in complicated pregnancies was 38, compared with 14 in uncomplicated pregnancies (P < .001). This difference in vitro might reflect the virulence of group B streptococci. (Obstet Gynecol 76:825, 1990)</description><subject>Bacterial Adhesion - physiology</subject><subject>Biological and medical sciences</subject><subject>Cells, Cultured</subject><subject>Chorion - microbiology</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>Female</subject><subject>Fetal Membranes, Premature Rupture - microbiology</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Humans</subject><subject>Infant, Newborn</subject><subject>Infant, Premature, Diseases - microbiology</subject><subject>Medical sciences</subject><subject>Pregnancy</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>Streptococcal Infections - microbiology</subject><subject>Streptococcus agalactiae - pathogenicity</subject><subject>Streptococcus agalactiae - physiology</subject><subject>Time Factors</subject><subject>Virulence</subject><issn>0029-7844</issn><issn>1873-233X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kUtLxDAUhYMoOj5-gpCN7qp5TdIudfAxICqoKG5Cmt4w1bapSYv4743OqCsDIdycc284XxDClBxRUqhjkpZkU5LRoiCUpipLm5E1NKG54hnj_GkdTdJVkalciC20HeNLslBZ8E20yRiVyTNBz_POBjARKjyDpsEn1QICdBawd_gi-LHHp_huCNAP3npra3wefItvAwwQWjzvnOmGiB_rYYGvwXdmMA2-gz7WcRdtONNE2FudO-jh_Ox-dpld3VzMZydXmeV5SlAAgymokjknnZBWFbaSjACXJudSUEG4U4JIqUoBlpTKCpApY9IqmbOS76DD5dw--LcR4qDbOtoUxnTgx6hzQoRKjJIxXxpt8DEGcLoPdWvCh6ZEf2HVP1j1L1b9jTW17q_eGMsWqt_GFcekH6x0E61pXDCdrePf_EIQpaZ58oml7903CWB8bcZ3CHoBphkW-r9f5Z-1mI2o</recordid><startdate>199011</startdate><enddate>199011</enddate><creator>HELMIG, RIKKE</creator><creator>HALABURT, JETTE THRANE</creator><creator>ULDBJERG, NIELS</creator><creator>THOMSEN, ANDERS C.</creator><creator>STENDERUP, AXEL</creator><general>The American College of Obstetricians and Gynecologists</general><general>Elsevier Science</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>199011</creationdate><title>Increased Cell Adherence of Group B Streptococci From Preterm Infants With Neonatal Sepsis</title><author>HELMIG, RIKKE ; HALABURT, JETTE THRANE ; ULDBJERG, NIELS ; THOMSEN, ANDERS C. ; STENDERUP, AXEL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3850-9e2e5e7b2ff6f46c79cd620e36a83641403f740667b4ec0b7c4e6873364d682b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Bacterial Adhesion - physiology</topic><topic>Biological and medical sciences</topic><topic>Cells, Cultured</topic><topic>Chorion - microbiology</topic><topic>Diseases of mother, fetus and pregnancy</topic><topic>Female</topic><topic>Fetal Membranes, Premature Rupture - microbiology</topic><topic>Gynecology. 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Placenta</topic><topic>Streptococcal Infections - microbiology</topic><topic>Streptococcus agalactiae - pathogenicity</topic><topic>Streptococcus agalactiae - physiology</topic><topic>Time Factors</topic><topic>Virulence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HELMIG, RIKKE</creatorcontrib><creatorcontrib>HALABURT, JETTE THRANE</creatorcontrib><creatorcontrib>ULDBJERG, NIELS</creatorcontrib><creatorcontrib>THOMSEN, ANDERS C.</creatorcontrib><creatorcontrib>STENDERUP, AXEL</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>Obstetrics and gynecology (New York. 1953)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HELMIG, RIKKE</au><au>HALABURT, JETTE THRANE</au><au>ULDBJERG, NIELS</au><au>THOMSEN, ANDERS C.</au><au>STENDERUP, AXEL</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Increased Cell Adherence of Group B Streptococci From Preterm Infants With Neonatal Sepsis</atitle><jtitle>Obstetrics and gynecology (New York. 1953)</jtitle><addtitle>Obstet Gynecol</addtitle><date>1990-11</date><risdate>1990</risdate><volume>76</volume><issue>5</issue><spage>825</spage><epage>827</epage><pages>825-827</pages><issn>0029-7844</issn><eissn>1873-233X</eissn><coden>OBGNAS</coden><abstract>Most women with group B streptococcus cervical colonization have uncomplicated pregnancies, but about 1% experience preterm premature rupture of membranes (PROM) followed by neonatal group B streptococcal sepsis. In such cases, streptococcal adherence to and penetration of the membranes may be an important step in the pathogenesis. In the present study, chorionic epithelial cells were incubated with group B streptococci isolated from either children developing sepsis after preterm PROM (complicated pregnancies) or from uncomplicated pregnancies. Incubation periods varied. The numbers of adherent bacteria per chorionic epithelial cell were counted by microscopic examination. After 70 minutesʼ incubation, the number of adherent group B streptococci in complicated pregnancies was 38, compared with 14 in uncomplicated pregnancies (P < .001). This difference in vitro might reflect the virulence of group B streptococci. (Obstet Gynecol 76:825, 1990)</abstract><cop>New York, NY</cop><pub>The American College of Obstetricians and Gynecologists</pub><pmid>2216233</pmid><doi>10.1097/00006250-199011000-00020</doi><tpages>3</tpages></addata></record> |
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| ispartof | Obstetrics and gynecology (New York. 1953), 1990-11, Vol.76 (5), p.825-827 |
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| language | eng |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Bacterial Adhesion - physiology Biological and medical sciences Cells, Cultured Chorion - microbiology Diseases of mother, fetus and pregnancy Female Fetal Membranes, Premature Rupture - microbiology Gynecology. Andrology. Obstetrics Humans Infant, Newborn Infant, Premature, Diseases - microbiology Medical sciences Pregnancy Pregnancy. Fetus. Placenta Streptococcal Infections - microbiology Streptococcus agalactiae - pathogenicity Streptococcus agalactiae - physiology Time Factors Virulence |
| title | Increased Cell Adherence of Group B Streptococci From Preterm Infants With Neonatal Sepsis |
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