Pyrrolidone carboxylic acid synthesis in guinea pig epidermis.


To establish the in vivo mechanism of synthesis and accumulation of epidermal pyrrolidone carboxylic acid (PCA), enzymes potentially capable of PCA synthesis have been quantified and located within the guinea pig epidermis. Intermediates in the synthesis of [3H]PCA from a pulse of [3H]glutamine have been identified and quantified to determine which of the… (More)


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