Biochemical and white blood cell profiles of baboon neonates consuming formulas with moderate and high dietary long-chain polyunsaturated fatty acids.
ABSTRACT Clinical chemistry and complete blood count (CBC) values were determined in 14 term baboons (Papio species) consuming formula with moderate or high levels of dietary long-chain polyunsaturated fatty acids (LCPUFA) from 2-12 weeks of age.
Neonates were randomized to three groups: C: Control, no LCPUFA; L: 0.33% docosahexaenoic acid (DHA)/0.67% arachidonic acid (ARA) (w/w); L3:1.00% DHA/0.67% ARA (w/w). Blood chemistries were assessed at 6 and 12 weeks and CBC parameters were measured at 2, 4, 8, 10, 12 weeks of age.
Dietary LCPUFA had significant effects on serum triglyceride (C > L,L3) and calcium (L > C,L3). No other significant effects of diet were detected; pooled values are presented for all other parameters.
These data provide longitudinal biochemical and white cell/platelet/immunological data on LCPUFA-fed baboons over the first 12 weeks of life. Data ranges are similar to reference data in cases for which values exist and hematological changes reflect trends observed during human neonatal development.
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ABSTRACT: The impact of neonatal nutrition on the health status of the newborn and incidence of disease in later life is a topic of intense interest. Animal models are an invaluable tool to identify mechanisms that mediate the effect of nutrition on neonatal development and metabolic function. This review highlights recently developed animal models that are being used to study neonatal human nutrition. In recent years, mice, rats, and pigs have become the most frequently used animal models to study human neonatal nutrition. Techniques for rearing newborn mice, preterm rats, and preterm pigs have been developed. Neonatal mice have great potential for mechanistic and genomic research in postnatal nutrition and related diseases. The neonatal pig model is valuable to study acute and chronic effects of parenteral and enteral nutrition on whole-body metabolism as well as specific tissues. To date, a wealth of information from studies with neonatal pigs has been applied to humans. Further development of neonatal animal models related to nutrition is required for the advancement of research in early postnatal nutrition. Improvement of nutritional support during this critical period of development will enhance immediate clinical outcomes and possibly prevent diseases later in life.Current Opinion in Clinical Nutrition and Metabolic Care 10/2008; 11(5):601-6. · 3.97 Impact Factor