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Skin as a mirror of endocrine diseases: emerging biomarkers and targeted therapies
Jenyfer M Fuentes-Mendoza1, Marcio J Concepción-Zavaleta1, Jean Pierre Villanueva-De La Cruz2
1Grupo de investigación de Neurociencias, Metabolismo, Efectividad Clínica y Sanitaria, Universidad Científica del Sur, Lima, Perú.
Abstract:
The skin acts as a reflection of systemic endocrine activity, revealing the complex interaction among hormonal, metabolic and immune mechanisms. This narrative review synthesizes current evidence on the molecular and clinical connections between endocrine disorders and dermatologic findings. Endocrine diseases such as diabetes mellitus (DM), thyroid disorders (TD), polycystic ovary syndrome (PCOS), Cushing syndrome (CS) and acromegaly show characteristic skin features that often appear before systemic diagnosis. Dysregulation of insulin-like growth factor-1 (IGF-1) and PI3K/Akt/mTOR pathways, cytokine signaling and epigenetic modulation contribute to these manifestations and represent promising therapeutic targets. Emerging biomarkers including skin derived microRNAs, fibroblast growth factor signaling and advanced glycation end products may support early detection, prognosis and therapeutic monitoring. Integrating dermatologic evaluation into endocrine screening can reduce diagnostic delay, improve patient outcomes and strengthen collaboration between dermatology and endocrinology. Future studies should validate standardized diagnostic algorithms and biomarker-based approaches for personalized care.
Insights
Skin manifestations often precede diagnosis in endocrine disorders like diabetes mellitus and thyroid disorders. Early dermatologic evaluation aids in timely diagnosis and personalized treatment strategies.
Area of Science:
- Endocrinology
- Dermatology
- Molecular Biology
Background:
- The skin reflects systemic endocrine activity, highlighting hormonal, metabolic, and immune interactions.
- Endocrine disorders frequently present with characteristic dermatologic findings, sometimes preceding systemic diagnosis.
Purpose of the Study:
- To synthesize evidence on molecular and clinical links between endocrine diseases and skin manifestations.
- To identify potential diagnostic and therapeutic targets based on emerging biomarkers.
Main Methods:
- Narrative review of current scientific literature.
- Analysis of molecular pathways and clinical presentations.
- Exploration of novel biomarkers for early detection and monitoring.
Main Results:
- Characteristic skin features are associated with diabetes mellitus, thyroid disorders, polycystic ovary syndrome, Cushing syndrome, and acromegaly.
- Dysregulated pathways (e.g., IGF-1, PI3K/Akt/mTOR) and epigenetic factors contribute to skin changes.
- Emerging biomarkers like microRNAs and advanced glycation end products show promise for clinical application.
Conclusions:
- Integrating dermatologic assessment into endocrine screening can reduce diagnostic delays and improve patient outcomes.
- Molecular pathways and biomarkers offer potential for early detection, prognosis, and personalized therapeutic strategies.
- Further research is needed to validate standardized diagnostic algorithms and biomarker-based approaches.
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