Objective: An elective investigation into the early diagnosis of deafness in children under the age of 4-5 years is performed using auditory evoked potentials of auditory brainstem responses (ABRs). In case of pediatric patients, the major difficulty includes being examined during spontaneous sleep, which is complicated to obtain, especially in the age range of 12 to 72 months. Recently, melatonin has been used as a "sleep inducer" in diagnostic tests with positive results. Our aim was to evaluate the use of melatonin and of a solution containing melatonin, tryptophan, and vitamin B6 as an inducer of spontaneous sleep on repeated ABR analyses as well as to evaluate the reduction in analyses with sedative drugs in case of uncooperative patients.
Materials And Methods: In total, 748 children aged between 12 and 48 months were included in the study and divided into three groups: A: placebo (n=235), B: melatonin (n=246), and C: melatonin, tryptophan, and vitamin B6 (n=267).
Results: In groups B and C, in addition to physiological awakening, we observed a significant reduction in the number of repeated analyses as well as drug regimen usage.
Conclusion: This study confirms the strategic role of melatonin as an inducer of spontaneous sleep. However, above all, it suggests that the administration of a solution containing melatonin, tryptophan, and vitamin B6 significantly reduces the number of repeated ABR examinations as well as the percentage of repeated analysis performed using sedative drugs compared to both the control group and the melatonin-only group.
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http://dx.doi.org/10.5152/iao.2017.3054 | DOI Listing |
Plant Genome
March 2025
Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning, China.
Tryptophan decarboxylase (TDC) belongs to a family of aromatic amino acid decarboxylases and catalyzes the conversion of tryptophan to tryptamine. It is the enzyme involved in the first step of melatonin (MT) biosynthesis and mediates several key functions in abiotic stress tolerance. In Oryza sativa under pesticide-induced stress, TDC function is unclear.
View Article and Find Full Text PDFJ Pineal Res
November 2024
School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China.
The dried root of Peucedanum praeruptorum is often used medicinally and has high pyran- and furanocoumarin content. Although exogenous melatonin (MT) impacts the regulation of plant growth, stress responses, secondary metabolism, etc., it remains unclear whether MT regulates the vegetative growth and development of P.
View Article and Find Full Text PDFPhysiol Plant
December 2024
College of Life Sciences, Qingdao Agricultural University, Qingdao, PR China.
Melatonin (MT) serves an indispensable function in plant development and their response to abiotic stress. Although numerous drought-tolerance genes have been ascertained in wheat, further investigation into the molecular pathways controlling drought stress tolerance remains necessary. In this investigation, it was observed that MT treatment markedly enhanced drought resistance in wheat by diminishing malondialdehyde (MDA) levels and augmenting the activity of antioxidant enzymes POD, APX, and CAT compared to untreated control plants.
View Article and Find Full Text PDFAnimals (Basel)
November 2024
College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China.
In mammals, the melatonin (Mel) concentration in the gastrointestinal tract is 400 times greater than in the pineal gland. However, the origin of Mel in the gastrointestinal tract and its role in reproductive regulation remains unclear. Therefore, we analyzed three potential Mel sources (feed, microorganisms, and the rumen wall) for their contribution to high Mel levels in the rumen and their biological effects.
View Article and Find Full Text PDFBreastfeed Med
December 2024
Australian Centre for Behavioural Research in Diabetes, Deakin University, Melbourne, Victoria, Australia.
Tryptophan is an essential amino acid that is not produced in the body and can only be consumed through diet. Tryptophan is a precursor for serotonin, which, in turn, helps produce melatonin. Melatonin exhibits a circadian rhythm, peaking at night and dissipating during the day, with basal levels significantly differing between mothers.
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