Sex Chromatin Frequency and Estrogenic Activity in the Newborn Female

Golob, E; Israsena, T; Becker, Kenneth L.

doi:10.1210/jcem-29-1-116

Cited by 4 publications

(2 citation statements)

References 1 publication

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“…There are several data (4,5,8,16) which stated that, during the first 7 days, there is a significant increase in the percentage ratio of the Barr corpuscles and that, parallel with this, also the effect of maternal estrogens reflected in the karyopycnotic index disappears. According to the investigations of Diczfalusy et al (3), the amount of estriol excreted with meconium and feces, though consider able in the first postnatal days, decreases to a subminimal level on the fifth day of life.…”

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confidence: 99%

Changes in the Alkaline Phosphatase Activity of Granulocytes from the First to the Sixth Day of Life in Newborns

Nagy¹,

Szabó²,

Csába³

1975

Neonatology

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GAP activity was studied in 40 newborns, from the first to the sixth day of life after normal pregnancy and labor. Evaluation of GAP activity was performed in stained blood smears by the method of Kaplow. The results of this study indicate, that GAP activity on the first day of life was higher (121.0 ± 16.7 GAP score) than on the sixth day (68.6 ± 12.0 GAP score). The authors, discussing the possible cause of the increased alkaline phosphatase activity in granulocytes during the first day of life, cannot exclude the possibility that the GAP activity is influenced by estrogens of maternal origin.

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confidence: 99%

Changes in the Alkaline Phosphatase Activity of Granulocytes from the First to the Sixth Day of Life in Newborns

Nagy¹,

Szabó²,

Csába³

1975

Neonatology

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“…Golob et al [4] demonstrated that the incidence of Barr bodies signifi cantly increases both in the buccal and vaginal epithelial cells in new-born girls during the first 7 days of life. Parallel to this the maternal estrogen disappears; the karyopycnotic index undergoes a significant diminution between days 1 and 7.…”

mentioning

confidence: 99%

Correlation between G-6-PDH Activity of the Erythrocytes and the Sex Chromatin Frequency in the Somatic Cells in New-Born Girls

Csába¹,

Szabó²,

Nagy³

1974

Neonatology

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It was demonstrated in investigations performed in 44 new-born girls, that the G-6-PDH activity of the erythrocytes gradually decreases up to the seventh day of life. This process goes hand in hand with the increase of sex chromatin, i.e. of heterochromaticchromosomes. These phenomena can be indirectly ascribed to the estrogens. No similar changes in enzyme activity were found in 28 new-born boys investigated as controls.

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The Variable Condition of Euchromatin and Heterochromatin

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1976

International Review of Cytology

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Sex Chromatin Frequency and Estrogenic Activity in the Newborn Female

Cited by 4 publications

References 1 publication

Changes in the Alkaline Phosphatase Activity of Granulocytes from the First to the Sixth Day of Life in Newborns

Changes in the Alkaline Phosphatase Activity of Granulocytes from the First to the Sixth Day of Life in Newborns

Correlation between G-6-PDH Activity of the Erythrocytes and the Sex Chromatin Frequency in the Somatic Cells in New-Born Girls

The Variable Condition of Euchromatin and Heterochromatin

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