Pregnancy-Associated Plasma Protein-A
"Pregnancy-Associated Plasma Protein-A" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
A product of the PLACENTA, and DECIDUA, secreted into the maternal circulation during PREGNANCY. It has been identified as an IGF binding protein (IGFBP)-4 protease that proteolyzes IGFBP-4 and thus increases IGF bioavailability. It is found also in human FIBROBLASTS, ovarian FOLLICULAR FLUID, and GRANULOSA CELLS. The enzyme is a heterotetramer of about 500-kDa.
Descriptor ID |
D011266
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MeSH Number(s) |
D08.811.277.656.300.480.632 D08.811.277.656.675.374.632 D12.776.780.700
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Concept/Terms |
Pregnancy-Associated Plasma Protein-A- Pregnancy-Associated Plasma Protein-A
- Pregnancy Associated Plasma Protein A
- IGFBP-4 Protease
- IGFBP 4 Protease
- Protease, IGFBP-4
- IGFBP-4-Specific Proteinase
- Insulin-Like Growth Factor-Dependent IGF Binding Protein-4 Protease
- Insulin Like Growth Factor Dependent IGF Binding Protein 4 Protease
- PAPP-A
- PAPP-alpha
- PAPP alpha
- Pregnancy Associated alpha Plasma Protein
- Pregnancy-Associated alpha-Plasma Protein
- IGFBP-4 Metalloproteinase
- IGFBP 4 Metalloproteinase
- Metalloproteinase, IGFBP-4
- Insulin-Like-Growth Factor Binding Protein-4 Protease
- Insulin Like Growth Factor Binding Protein 4 Protease
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Below are MeSH descriptors whose meaning is more general than "Pregnancy-Associated Plasma Protein-A".
Below are MeSH descriptors whose meaning is more specific than "Pregnancy-Associated Plasma Protein-A".
This graph shows the total number of publications written about "Pregnancy-Associated Plasma Protein-A" by people in this website by year, and whether "Pregnancy-Associated Plasma Protein-A" was a major or minor topic of these publications.
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Below are the most recent publications written about "Pregnancy-Associated Plasma Protein-A" by people in Profiles.
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Kagan KO, Wright D, Spencer K, Molina FS, Nicolaides KH. First-trimester screening for trisomy 21 by free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A: impact of maternal and pregnancy characteristics. Ultrasound Obstet Gynecol. 2008 May; 31(5):493-502.
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Spencer K, Cowans NJ, Molina F, Kagan KO, Nicolaides KH. First-trimester ultrasound and biochemical markers of aneuploidy and the prediction of preterm or early preterm delivery. Ultrasound Obstet Gynecol. 2008 Feb; 31(2):147-52.
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Falcon O, Auer M, Gerovassili A, Spencer K, Nicolaides KH. Screening for trisomy 21 by fetal tricuspid regurgitation, nuchal translucency and maternal serum free beta-hCG and PAPP-A at 11 + 0 to 13 + 6 weeks. Ultrasound Obstet Gynecol. 2006 Feb; 27(2):151-5.
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Spencer K, Aitken D. Factors affecting women's preference for type of prenatal screening test for chromosomal anomalies. Ultrasound Obstet Gynecol. 2004 Dec; 24(7):735-9.
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Spencer K, Crossley JA, Aitken DA, Nix AB, Dunstan FD, Williams K. The effect of temporal variation in biochemical markers of trisomy 21 across the first and second trimesters of pregnancy on the estimation of individual patient-specific risks and detection rates for Down's syndrome. Ann Clin Biochem. 2003 May; 40(Pt 3):219-31.
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Spencer K, Crossley JA, Aitken DA, Nix AB, Dunstan FD, Williams K. Temporal changes in maternal serum biochemical markers of trisomy 21 across the first and second trimester of pregnancy. Ann Clin Biochem. 2002 Nov; 39(Pt 6):567-76.
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Bindra R, Heath V, Liao A, Spencer K, Nicolaides KH. One-stop clinic for assessment of risk for trisomy 21 at 11-14 weeks: a prospective study of 15 030 pregnancies. Ultrasound Obstet Gynecol. 2002 Sep; 20(3):219-25.
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Spencer K. Age related detection and false positive rates when screening for Down's syndrome in the first trimester using fetal nuchal translucency and maternal serum free betahCG and PAPP-A. BJOG. 2001 Oct; 108(10):1043-6.
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Spencer K, Crossley JA, Green K, Worthington DJ, Brownbill K, Aitken DA. Second trimester levels of pregnancy associated plasma protein-A in cases of trisomy 18. Prenat Diagn. 1999 Dec; 19(12):1127-34.
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Spencer K, Souter V, Tul N, Snijders R, Nicolaides KH. A screening program for trisomy 21 at 10-14 weeks using fetal nuchal translucency, maternal serum free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A. Ultrasound Obstet Gynecol. 1999 Apr; 13(4):231-7.
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