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- Title
Salivary Sex Steroid Levels in Infants and the Relation with Infantile Colic.
- Authors
Kalaycı, Fulya Mete; Doruk, Özlem Gürsoy; Erbaş, İbrahim Mert; İnce, Osman Tolga; Tan, Makbule Neslişah; Aydın, Adem; Abacı, Ayhan; Böber, Ece; Demir, Korcan
- Abstract
Objective: The hypothalamic-pituitary-gonadal axis is active during minipuberty, the timing of which coincides with infantile colic. To the best of our knowledge, the relationship between these entities has not been previously investigated. Methods: Saliva samples were collected from 15- to 60-day-old term infants (n=139) between 9 am and 5 pm. Group 1 included infants with infantile colic (n=68, 54.4% female) while the remaining healthy infants constituted Group 2 (n=71, 47.9% female). Salivary levels of estradiol (Esal) in females and testosterone (Tsal) in males were measured by ELISA in duplicate. Results: The median (25th-75th centile) age and birth week for all infants were 33 (29-43) days and 39 (38.1-40) weeks, respectively. Levels of Tsal in males [Group 1, 73.35 (59.94-117.82) pg/mL vs Group 2, 77.66 (56.49-110.08) pg/mL, p=0.956] and Esal in females [Group 1, 3.91 (2.76-5.31) pg/mL vs Group 2, 4.03 (1.63-12.1) pg/mL, p=0.683] were similar. However, in subjects with infantile colic (Group 1), Esal and body mass index (BMI) standard deviation scores of females were slightly correlated (Group 1, rs = 0.393, p=0.016 vs. Group 2, rs = 0.308, p=0.076) and there was a significant correlation between the sampling time and Tsal in males (Group 1, rs = 0.469, p=0.009 vs. Group 2, rs = -0.005, p=0.976). Conclusion: Random salivary sex steroid levels were similar in infants with and without infantile colic. However, in subjects with infantile colic, Esal levels in females were positively correlated with BMI and Tsal levels were higher later in the day among males. Thus, sex steroid production may be altered during minipuberty in subjects with infantile colic.
- Subjects
SALIVA analysis; SEX hormones; TESTOSTERONE; BODY mass index; RESEARCH funding; ENZYME-linked immunosorbent assay; DESCRIPTIVE statistics; ESTRADIOL; COLLECTION &; preservation of biological specimens; COMPARATIVE studies; INFANTILE colic; TIME; CHILDREN
- Publication
Journal of Clinical Research in Pediatric Endocrinology, 2024, Vol 16, Issue 2, p185
- ISSN
1308-5727
- Publication type
Article
- DOI
10.4274/jcrpe.galenos.2024.2023-11-2