ArticleClinical and experimental pediatrics2024
Kisspeptin and DLK1 levels for monitoring treatment of girls with central precocious puberty.
Article in Clinical and experimental pediatrics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Genetic, neuropeptidergic, and cardiometabolic interplay in female central precocious puberty.Cardiovascular endocrinology & metabolism · 2025Review
- Serum DLK1 During Minipuberty and Pubertal Transition in Healthy Girls and in Girls With Precocious Puberty.The Journal of clinical endocrinology and metabolism · 2025Article
- The hippo pathway: a molecular bridge between environmental cues and pace of life.BMC ecology and evolution · 2025Review
- A New Hope for Woman with Vasomotor Symptoms: Neurokinin B Antagonists.Journal of clinical medicine · 2025Review
- Serum phoenixin levels in girls with central precocious puberty and premature thelarche.Endocrine · 2025Article
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5 authors.
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Abstract
backgroundKisspeptin and delta-like 1 homolog (DLK1) are neuropeptides that reportedly play an important role in pubertal timing by activating and inhibiting the hypothalamic-pituitary-gonadal axis, respectively. Consequently, serum kisspeptin and DLK1 levels may be novel biomarkers for differentiating between central precocious puberty (CPP) and premature thelarche (PT) in girls and used to monitor CPP treatment. PURPOSE: To compare baseline serum kisspeptin and DLK1 levels in girls with CPP at diagnosis and after treatment to age-matched girls with PT.
methodsThis prospective longitudinal study included girls with precocious puberty and girls with PT who experienced breast development before 8 years of age and peak luteinizing hormone levels of ≥6 versus <6 IU/L after a gonadotropin-releasing hormone (GnRH) stimulation test. Serum kisspeptin and DLK1 levels were determined in both groups at baseline and after 6 months of GnRH analog treatment in the CPP group and analyzed by enzyme-linked immunosorbent assay.
resultsThe study divided a total of 48 girls into CPP (n=24; mean age, 7.7±0.7 years) and PT (n=24; mean age, 7.4±0.8 years) groups. The baseline median serum kisspeptin levels were 50.5 pg/mL (range, 38.2-77 pg/mL) and 49.5 pg/mL (range, 39.7-67.6 pg/mL), respectively (P=0.89), while the baseline median serum DLK1 levels were 6.5 ng/mL (range, 5.9-7.5 ng/mL) and 6 ng/mL (4.4-14.4 ng/mL), respectively (P=0.68). After 6 months of GnRH analog treatment in the CPP group, the median serum kisspeptin level was lower (46.4 ng/mL; range, 37.1-60 ng/mL) than that at baseline (P=0.002), while the median serum DLK1 level was higher (7 ng/mL; range, 6.7-8.9) than that at baseline (P=0.002).
conclusionOur findings suggest that baseline serum kisspeptin and DLK1 levels are not reliable biomarkers for differentiating between CPP and PT. However, significant changes in serum kisspeptin and DLK1 levels may be used to monitor CPP treatment.
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