Nonglucose carbohydrates and infant nutrition and metabolism.

n BIOCHEMICAL, MOLECULAR, AND GENETIC MECHANISMS Methylselenol, a Selenium Metabolite, Induces Cell Cycle Arrest in G1 Phase and Apoptosis via the Extracellular-Regulated Kinase 1/2 Pathway and Other Cancer Signaling Genes Huawei Zeng, Min Wu, and James H. Botnen 1613 Butyrate Enhances the Intestinal Barrier by Facilitating Tight Junction Assembly via Activation of AMP-Activated Protein Kinase in Caco-2 Cell Monolayers Luying Peng, Zhong-Rong Li, Robert S. Green, Ian R. Holzman, and Jing Lin 1619 Zinc Deficiency Affects DNA Damage, Oxidative Stress, Antioxidant Defenses, and DNA Repair in Rats Yang Song, Scott W. Leonard, Maret G. Traber, and Emily Ho 1626 Docosahexaenoic Acid Modifies the Clustering and Size of Lipid Rafts and the Lateral Organization and Surface Expression of MHC Class I of EL4 Cells Saame Raza Shaikh, Benjamin Drew Rockett, Muhammad Salameh, and Kristen Carraway 1632