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Original Article
Endocrinology
Kisspeptin and DLK1 levels for monitoring treatment of girls with central precocious puberty
Witchuwan Onsoi, Nattakarn Numsriskulrat, Suphab Aroonparkmongkol, Vichit Supornsilchai, Khomsak Srilanchakon
Clin Exp Pediatr. 2024;67(6):296-302.   Published online May 21, 2024
Questions: Can the serum levels of kisspeptin and DLK1 be potential biomarkers for monitoring the treatments for central precocious puberty (CPP)?
Findings: There were no significant differences in the baseline serum kisspeptin and DLK1 levels in CPP girls compared to girls with premature thelarche (PT). After 6 months of GnRH analogue treatment in CPP girls, median serum kisspeptin levels decreased, while median serum DLK1 levels increased compared to baseline.
Meanings: Serum levels of kisspeptin and DLK1 may serve as novel biomarkers for monitoring the efficacy of treatments for CPP.
Review Article
Endocrinology
Genetic factors in precocious puberty
Young Suk Shim, Hae Sang Lee, Jin Soon Hwang
Clin Exp Pediatr. 2022;65(4):172-181.   Published online October 18, 2021
· Mutations in the kisspeptin (KISS1), kisspeptin receptor (KISS1R), makorin ring finger protein 3 (MKRN3), and delta-like homolog 1 (DLK1) genes are associated with idiopathic central precocious puberty (ICPP).
· A few genes related to pubertal onset have been implicated in ICPP.
· Epigenetic factors such as DNA methylation, histone posttranslational modifications, and noncoding ribonucleic acids may be related to ICPP
Original Article
Endocrinology
The influence of gonadotropin-releasing hormone agonists on anthropometric change in girls with central precocious puberty
Jong Wan Yoon, Hyun A Park, Jieun Lee, Jae Hyun Kim
Clin Exp Pediatr. 2017;60(12):395-402.   Published online December 22, 2017
Purpose

The potential effect of gonadotropin-releasing hormone agonist (GnRHa) treatment on the weight of girls with central precocious puberty (CPP) remains a controversy. We investigated anthropometric changes during and after GnRHa treatment among girls with CPP.

Methods

This retrospective study evaluated data from 127 girls with CPP who received GnRHa treatment for ≥2 years. Height, weight, and body mass index (BMI) values were...

Review Article
Clinical application of gonadotropin-releasing hormone analogs in children and adolescents
Ho-Seong Kim
Clin Exp Pediatr. 2010;53(3):294-299.   Published online March 15, 2010
Although the increasing incidence of central precocious puberty (CPP) in Korea has recently raised public concerns about health and growth problems, there are many areas of uncertainty regarding the pathogenesis, diagnosis, and management of CPP. In this paper, we review the definition of precocity, the assessment of CPP, and the hormonal abnormalities that support the diagnosis. In addition, we review...
Original Article
Analysis of gonadotropin-releasing hormone (GnRH) test results in girls with precocious puberty
Jung Yun Choi, Hyun-Ju Kang, Won Kyoung Cho, Kyoung Soon Kim, So Hyun Park, Seung Hoon Hahn, Min Ho Jung, Byung Kyu Suh, Byung Churl Lee
Clin Exp Pediatr. 2009;52(12):1377-1382.   Published online December 15, 2009
Purpose : The gonadotropin-releasing hormone (GnRH) test results of girls with precocious puberty were analyzed to determine whether this test can efficiently and clearly differentiate between central precocious puberty (CPP) and other disorders. Methods : Clinical and laboratory data of 54 girls with precocious pubertal signs were reviewed. Intravenous GnRH test was performed with blood samples obtained at 0, 30,...
Effect of GnRH analogue on the bone mineral density of precocious or early pubertal girls
Jeong Sook Lim, Heon-Seok Han
Clin Exp Pediatr. 2009;52(12):1370-1376.   Published online December 15, 2009
Purpose : Treatment of precocity with gonadotropin releasing hormone analogue (GnRHa) might theoretically exert a detrimental effect on the bone mass during pubertal development. We investigated the short-term changes in bone mineral density (BMD) during GnRHa treatment and the enhancement in the changes with the co-administration of GnRHa and human growth hormone (hGH). Methods : Forty girls with precocious or...
Review Article
Growth and sex differentiation of children born small for gestational age
Se Young Kim
Clin Exp Pediatr. 2009;52(2):142-151.   Published online February 15, 2009
The incidence of small for gestational age (SGA) births is frequent, accounting for 2.3% to 8% of all live births. Several childhood and adult diseases are related to early postnatal growth and birth size, and 10% of children born SGA may have a short stature throughout postnatal life. Additionally, they may have abnormal growth hormone (GH)-insulin like growth factor axis,...
Original Article
A comparative study of the puberty suppression effect of gonadotropin-releasing hormone agonist in precocious or early puberty girls
Kye-Shik Shim, Chong-Woo Bae, You-Jung Yang
Clin Exp Pediatr. 2008;51(6):634-639.   Published online June 15, 2008
Purpose : There has been considerable disagreement regarding the most appropriate dosage of gonadotropin-releasing hormone agonist in cases of central precocious puberty. The aim of this study was to determine the appropriate dosage for suppression of the puberty in girls with central precocious or early puberty. Methods : Twenty-two girls with early puberty were randomly subjected to 3 types of dosages...
Case Report
A Case of True Precocious Puberty Complicating Congenital Adrenal Hyperplasia
Su Jin Kim, Ju Suk Lee, Su Yung Kim
Clin Exp Pediatr. 2003;46(4):400-403.   Published online April 15, 2003
Congenital adrenal hyperplasia(CAH) is a recognized cause of precocious pseudopuberty. Some children with CAH also develop true precocious puberty with early maturation of the hypothalamic-pituitary-gonadal axis. We review a case of CAH who eventually developed central precocious puberty nine months after initial treatment with corticosteroid. A 3-year-old boy visited complaining of rapid growth, a large penis and frequent penile erections....
A Case of Hepatoblastoma with Precocious Puberty
Chang Won Choi, Hyun Jin Park, Ki Woong Sung, Eun Sun Yoo, Hee Young Shin, Sei Won Yang, Hyo Seop Ahn
Clin Exp Pediatr. 2000;43(2):288-293.   Published online February 15, 2000
Hepatoblastoma is the most common primary malignant liver tumor in childhood. Most cases are boys generally below three years of age. Hepatoblastoma are associated with various non-metastatic syndromes. Rarely, human chorionic gonadotropin may be produced by the tumor. Ectopic gonadotropin production from this source is a rare cause of precocious puberty in boys. Since a report by Behrendt in 1931,...