Effect of moderate malnutrition on concentrations of immunoglobulins and enzymes in tears and saliva of young Colombian children.

D. N. McMurray, H. Rey, L. J. Casazza, Ronald R Watson

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

The influence of moderate malnutrition on immunoglobulins and enzymes in the sera and secretions of 71 Colombian children was studied. Concentrations of immunoglobulin A, immunoglobulin G, lysozyme, albumin, and aminopeptidase were measured in the sera, tears, and saliva of 27 normal, 32 grade I, 9 grade II, and 3 grade III malnourished children. The most severely malnourished children, grades II and III, had markedly reduced immunoglobulin A concentrations and elevated immunoglobulin G concentrations in tears. Immunoglobulin A levels in whole saliva were also reduced in these malnourished children. In contrast, the concentration of immunoglobulin A in the sera of these children was significantly elevated. There was no influence of malnutrition on levels of lysozyme, albumin, total protein, and aminopeptidase in tears or saliva. These results indicate that secretory immunity may be impaired in moderately malnourished children due to decreased levels of immunoglobulin A in secretions.

Original languageEnglish (US)
Pages (from-to)1944-1948
Number of pages5
JournalAmerican Journal of Clinical Nutrition
Volume30
Issue number12
StatePublished - Dec 1977
Externally publishedYes

Fingerprint

immunoglobulin A
saliva
Tears
Saliva
Malnutrition
malnutrition
immunoglobulins
Immunoglobulins
Immunoglobulin A
Enzymes
enzymes
Aminopeptidases
aminopeptidases
immunoglobulin G
Muramidase
lysozyme
albumins
Albumins
Immunoglobulin G
Serum

ASJC Scopus subject areas

  • Food Science
  • Medicine (miscellaneous)

Cite this

Effect of moderate malnutrition on concentrations of immunoglobulins and enzymes in tears and saliva of young Colombian children. / McMurray, D. N.; Rey, H.; Casazza, L. J.; Watson, Ronald R.

In: American Journal of Clinical Nutrition, Vol. 30, No. 12, 12.1977, p. 1944-1948.

Research output: Contribution to journalArticle

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