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Cholesterol esterification was studied in adult and cord serum by measuring the initial rate of lecithin-cholesterol acyl transferase (LCAT) activity. Cord serum had about one-third as much free and csterified cholesterol and about one-half as much LCAT as adult serum. When the adult LCAT activities are plotted against the individual's serum free cholesterol levels a straight line relationship results (0.101 _+ .005% cholesterol esterified per min). Cord serum LCAT activities (.135 _+ .0407% cholesterol esterified per rain) in the main fall above the adult line. Our results show that cord serum can esterify cholesterol at a rate equal to or higher than adult serum when the LCAT activity is related to the amount of serum free cholesterol present.

copulariopsis species is a keratinolytic mold with a propensity to cause onychomycosis and rarely to cause deep tissue infection. Scopulariopsis brevicaulis is the most common Scopulariopsis species seen clinically. We review 3 cases of Scopulariopsis species-induced endocarditis in the literature and present a fourth case of Scopulariopsis speciesinduced prosthetic valve endocarditis.

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