Overproduction of the follistatin-related gene protein in the placenta and maternal serum of women with pre-eclampsia

K. Pryor-Koishi, Haruki Nishizawa, Takema Kato, H. Kogo, T. Murakami, Kunihiro Tsuchida, Hiroki Kurahashi, Y. Udagawa

研究成果: Article

20 引用 (Scopus)

抄録

Objective: To characterise the follistatin-related gene (FLRG) in pre-eclampsia, one of the differentially expressed genes in pre-eclamptic placenta. Design and methods: We examined and compared the messenger RNA (mRNA) and protein levels of FLRG in placentas and maternal sera from women with uncomplicated pregnancy, and those with pre-eclampsia using real-time reverse transcription polymerase chain reaction, Western blot, immunohistochemistry, and enzyme-linked immunosorbent assay. Setting: Antenatal clinics in a teaching hospital. Population: Women with uncomplicated pregnancy (n = 21) and those with pre-eclampsia (n = 21). Results: FLRG mRNA is overexpressed in pre-eclamptic placental tissues (P < 0.01). Upregulated FLRG protein consists of both an immature 28-kDa cellular product and a mature 33-kDa secretory form, which are differentially glycosylated. FLRG is normally produced at its highest levels in endothelial cells and at moderate amounts in syncytiotrophoblast cells, but in pre-eclampsia, the syncytiotrophoblast FLRG levels are dramatically increased. We also determined the maternal serum concentrations of FLRG in our uncomplicated pregnancy subjects and in our pre-eclamptic groups, and found that they are significantly elevated in pre-eclampsia in a similar manner to activin A and inhibin A. However, the increase in FLRG in these cases is independent of activin A or inhibin A, and is associated with low-birthweight outcomes. Conclusion: Our current data show the placental and secretory changes of FLRG protein in pre-eclampsia, and also indicate the potential usefulness of FLRG as an additional diagnostic marker for pre-eclampsia.

元の言語English
ページ(範囲)1128-1137
ページ数10
ジャーナルBJOG: An International Journal of Obstetrics and Gynaecology
114
発行部数9
DOI
出版物ステータスPublished - 01-09-2007

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Follistatin-Related Proteins
Follistatin
Pre-Eclampsia
Placenta
Mothers
Serum
Genes
Proteins
Trophoblasts
Pregnancy
Messenger RNA
Teaching Hospitals
Reverse Transcription

All Science Journal Classification (ASJC) codes

  • Obstetrics and Gynaecology

これを引用

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title = "Overproduction of the follistatin-related gene protein in the placenta and maternal serum of women with pre-eclampsia",
abstract = "Objective: To characterise the follistatin-related gene (FLRG) in pre-eclampsia, one of the differentially expressed genes in pre-eclamptic placenta. Design and methods: We examined and compared the messenger RNA (mRNA) and protein levels of FLRG in placentas and maternal sera from women with uncomplicated pregnancy, and those with pre-eclampsia using real-time reverse transcription polymerase chain reaction, Western blot, immunohistochemistry, and enzyme-linked immunosorbent assay. Setting: Antenatal clinics in a teaching hospital. Population: Women with uncomplicated pregnancy (n = 21) and those with pre-eclampsia (n = 21). Results: FLRG mRNA is overexpressed in pre-eclamptic placental tissues (P < 0.01). Upregulated FLRG protein consists of both an immature 28-kDa cellular product and a mature 33-kDa secretory form, which are differentially glycosylated. FLRG is normally produced at its highest levels in endothelial cells and at moderate amounts in syncytiotrophoblast cells, but in pre-eclampsia, the syncytiotrophoblast FLRG levels are dramatically increased. We also determined the maternal serum concentrations of FLRG in our uncomplicated pregnancy subjects and in our pre-eclamptic groups, and found that they are significantly elevated in pre-eclampsia in a similar manner to activin A and inhibin A. However, the increase in FLRG in these cases is independent of activin A or inhibin A, and is associated with low-birthweight outcomes. Conclusion: Our current data show the placental and secretory changes of FLRG protein in pre-eclampsia, and also indicate the potential usefulness of FLRG as an additional diagnostic marker for pre-eclampsia.",
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T1 - Overproduction of the follistatin-related gene protein in the placenta and maternal serum of women with pre-eclampsia

AU - Pryor-Koishi, K.

AU - Nishizawa, Haruki

AU - Kato, Takema

AU - Kogo, H.

AU - Murakami, T.

AU - Tsuchida, Kunihiro

AU - Kurahashi, Hiroki

AU - Udagawa, Y.

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AB - Objective: To characterise the follistatin-related gene (FLRG) in pre-eclampsia, one of the differentially expressed genes in pre-eclamptic placenta. Design and methods: We examined and compared the messenger RNA (mRNA) and protein levels of FLRG in placentas and maternal sera from women with uncomplicated pregnancy, and those with pre-eclampsia using real-time reverse transcription polymerase chain reaction, Western blot, immunohistochemistry, and enzyme-linked immunosorbent assay. Setting: Antenatal clinics in a teaching hospital. Population: Women with uncomplicated pregnancy (n = 21) and those with pre-eclampsia (n = 21). Results: FLRG mRNA is overexpressed in pre-eclamptic placental tissues (P < 0.01). Upregulated FLRG protein consists of both an immature 28-kDa cellular product and a mature 33-kDa secretory form, which are differentially glycosylated. FLRG is normally produced at its highest levels in endothelial cells and at moderate amounts in syncytiotrophoblast cells, but in pre-eclampsia, the syncytiotrophoblast FLRG levels are dramatically increased. We also determined the maternal serum concentrations of FLRG in our uncomplicated pregnancy subjects and in our pre-eclamptic groups, and found that they are significantly elevated in pre-eclampsia in a similar manner to activin A and inhibin A. However, the increase in FLRG in these cases is independent of activin A or inhibin A, and is associated with low-birthweight outcomes. Conclusion: Our current data show the placental and secretory changes of FLRG protein in pre-eclampsia, and also indicate the potential usefulness of FLRG as an additional diagnostic marker for pre-eclampsia.

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