Maternal serum inhibin A levels are increased on average in pregnancies affected by Down syndrome (DS). However, some reports have found increased serum levels in women with pre-eclamptic toxaemia as well. In the current study, maternal serum inhibin A was retrospectively measured in a series of 32
Serum immunoglobulin M, G, and A concentration levels in Turner's syndrome compared with normal women and men
β Scribed by Knud Jensen; Per Hyltoft Petersen; Elisabeth Lykkegaard Nielsen; Gudrun Dahl; Johannes Nielsen
- Publisher
- Springer
- Year
- 1976
- Tongue
- English
- Weight
- 361 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0340-6717
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β¦ Synopsis
Serum concentrations of immunoglobulin G (IgG), immunoglobulin M (IgM) and immunoglobulin A (IgA) were determined in 15 women with a lack of X chromsome material (Turner's syndrome), and compared with the immunoglobulin concentrations in normal men and women. Further, the investigation is supplemented by a comparison of normal women and the Turner group matched according to age. The serum concentrations of IgG and IgA in women with Turner's syndrome were very close to the concentration in serum from normal men, whereas the concentration of IgM was significantly lower. Compared to normal women the concentrations of IgG and IgM were significantly lower, and the concentration of IgA significantly higher in the Turner group. Whether these differences in serum immunoglobulins are determined by hormonal factors or under direct genetic control linked to the X chromosomes, is discussed.
π SIMILAR VOLUMES
Placental proteins, such as inhibin A and hCG and its subunits, as well as the placental steroid progesterone, are elevated in second-trimester maternal serum from cases of fetal Down syndrome. Since different cellular mechanisms are required for protein versus steroid synthesis and secretion, these
The objective was to investigate whether cases of fetal trisomy 18 and Turner syndrome with and without hydrops were associated with alterations in the second-trimester levels of maternal serum inhibin A. Twenty-one cases of trisomy 18, 10 cases of Turner syndrome without hydrops and 12 cases of Tur