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Speciation of Malassezia and determination of sebum and hydration levels in secondary school students in Nigeria

  • 0Dermatology Department, James Cook University Hospital, South Tees NHS Foundation Trust, Middlesbrough, UK.
Archives of Dermatological Research +

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December 2, 2024

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December 2, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

Pityriasis versicolor (PV) in adolescents is linked to higher sebum and lower skin hydration. Malassezia globosa is the most common fungal species found in affected individuals.

Area Of Science

  • Dermatology
  • Mycology
  • Public Health

Background

  • Pityriasis versicolor (PV) is a common superficial fungal infection caused by Malassezia yeasts.
  • Factors influencing PV development, including host skin characteristics like sebum and hydration, are not fully elucidated, particularly in adolescent populations.
  • Understanding these factors is crucial for developing targeted prevention and treatment strategies.

Purpose Of The Study

  • To investigate Malassezia speciation in adolescents with PV.
  • To assess and compare sebum and skin hydration levels between adolescent PV patients and healthy controls.
  • To explore potential associations between Malassezia species and clinical presentation in this demographic.

Main Methods

  • A cross-sectional study involving secondary school students in Ibadan, Nigeria.
  • Measurement of skin surface sebum levels using a sebumeter.
  • Assessment of skin hydration using a corneometer.
  • Identification of Malassezia species via KOH microscopy and PCR-RFLP analysis.

Main Results

  • Adolescents with PV exhibited significantly higher sebum levels and lower skin hydration compared to the control group.
  • Malassezia globosa was identified as the predominant species, followed by Malassezia restricta and Malassezia sympodialis.
  • No significant correlations were observed between specific Malassezia species and the clinical features of PV.

Conclusions

  • Elevated sebum production and reduced skin hydration are associated with the development of pityriasis versicolor in adolescents.
  • Malassezia globosa is the primary etiological agent implicated in PV among the studied adolescent population.
  • Further research is warranted to fully understand the intricate interplay between host factors, Malassezia species, and PV pathogenesis.

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