A New Perspective on the Pathogenesis of Infantile Colic: Is Infantile Colic a Biorhythm Disorder?

Tugba Ucuncu Egeli, Kemal Ugur Tufekci, Cemre Ural, Devrim Yagmur Durur, Funda Tuzun Erdogan, Zahide Cavdar, Sermin Genc, Pembe Keskinoglu, Nuray Duman, Hasan Ozkan

Journal of pediatric gastroenterology and nutrition 2023 Aug 01

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In this study, we investigated the relationship between infantile colic, migraine, and biorhythm regulation, by evaluating biochemical and molecular parameters. Healthy infants with and without infantile colic were eligible for this prospective cohort study. A questionnaire was applied. Between the 6th and 8th postnatal weeks, day and night circadian histone gene H3f3b mRNA expression and spot urine excretion of serotonin, cortisol, and 6-sulphatoxymelatonin were analyzed. Among the 95 infants included, 49 were diagnosed with infantile colic. In the colic group, defecation difficulty, sensitivity to light/sound, and maternal migraine frequency increased and sleep disruption was typical. In the melatonin analysis, the difference between day and night levels was significant in the control group, indicating an established circadian rhythm ( P = 0.014). In the colic group, there was no day-night difference ( P = 0.216) in melatonin, but serotonin levels were higher at night. In the cortisol analysis, day-night values were similar in both groups. Day-night variability of H3f3b mRNA levels between the groups was significant, indicating circadian rhythm disturbance in the colic group compared to the control group ( P = 0.003). Fluctuations in circadian genes and hormones expected in healthy rhythm were revealed in the control group, but were missing in the colic group. Due to the gaps in the etipathogenesis in infantile colic, a unique effective agent has not been discovered so far. This study, which demonstrated for the first time that infantile colic is a biorhythm disorder using molecular methods, fills the gap in this regard and points to a completely different perspective in terms of treatment. Copyright © 2023 by European Society for European Society for Pediatric Gastroenterology, Hepatology, and Nutrition and North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition.

Citation

Tugba Ucuncu Egeli, Kemal Ugur Tufekci, Cemre Ural, Devrim Yagmur Durur, Funda Tuzun Erdogan, Zahide Cavdar, Sermin Genc, Pembe Keskinoglu, Nuray Duman, Hasan Ozkan. A New Perspective on the Pathogenesis of Infantile Colic: Is Infantile Colic a Biorhythm Disorder? Journal of pediatric gastroenterology and nutrition. 2023 Aug 01;77(2):171-177