Elevated acute-phase protein in stunted Nepali children reporting low morbidity: different rural and urban profiles

C Panter-Brick1, P G Lunn, R Baker

  • 1Department of Anthropology, University of Durham, Durham DH1 3HN, UK. Catherine.Panter-Brick@durham.ac.uk

Insights

Severe stunting in Nepali village boys is linked to high alpha1-antichymotrypsin (ACT) levels, despite reporting less illness. This highlights inflammation

Area of Science:

  • Pediatric Nutrition and Growth
  • Biochemistry and Inflammation
  • Global Health Disparities

Background:

  • Childhood stunting remains a significant global health issue, particularly in low-income settings.
  • Plasma protein concentrations can serve as indicators of nutritional status and inflammatory processes.
  • Contrasting socio-ecological environments may influence growth, health, and biochemical markers in children.

Purpose of the Study:

  • To investigate the relationship between stunting severity, plasma protein levels (albumin and alpha1-antichymotrypsin), and reported morbidity in Nepali boys.
  • To compare these parameters across diverse environments: remote village, urban poor squatters, homeless street children, and middle-class schoolchildren.
  • To explore potential mechanisms linking inflammation, growth faltering, and perceived illness burden.

Main Methods:

  • Cross-sectional study involving 104 Nepali boys aged 10-14 years.
  • Measurement of height-for-age z-scores to assess stunting severity.
  • Analysis of plasma concentrations of albumin and alpha1-antichymotrypsin (ACT).
  • Collection of self-reported morbidity data.

Main Results:

  • Severe stunting was prevalent in village, squatter, and street children, with village boys exhibiting the most significant growth retardation (mean z-score -2.97).
  • Higher stunting severity was associated with elevated plasma ACT levels and reduced albumin levels.
  • Village children, despite severe stunting and abnormal plasma proteins, reported the lowest disease burden.

Conclusions:

  • High plasma ACT levels and stunting are strikingly prevalent in the rural Nepali sample, suggesting underlying inflammation.
  • The discrepancy between severe stunting/abnormal proteins and low reported morbidity may indicate sub-clinical infections or adaptation to illness.
  • Findings caution against using uncorroborated morbidity reports across diverse socio-ecological contexts and highlight the need to consider inflammation in growth faltering.