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Increased Number Of Circulating Exosomes And Their Microrna Cargos Are Potential Novel Biomarkers In Alcoholic Hepatitis, Fatemeh Momen-Heravi, Banishree Saha, Karen Kodys, Donna Catalano, Abhishek Satishchandran, Gyongyi Szabo

Gyongyi Szabo

BACKGROUND: It has been well documented that alcohol and its metabolites induce injury and inflammation in the liver. However, there is no potential biomarker to monitor the extent of liver injury in alcoholic hepatitis patients. MicroRNAs (miRNAs) are a class of non-coding RNAs that are involved in various physiologic and pathologic processes. In the circulation, a great proportion of miRNAs is associated with extracellular vesicles (EVs)/exosomes. Here, we hypothesized that the exosome-associated miRNAs can be used as potential biomarkers in alcoholic hepatitis (AH).

METHODS: Exosomes were isolated from sera of alcohol-fed mice or pair-fed mice, and plasma of alcoholic hepatitis …

Prostate Tumorigenesis Induced By Pten Deletion Involves Estrogen Receptor Beta Repression, Paul Mak, Jianrong Li, Sanjoy Samanta, Cheng Chang, D. Joseph Jerry, Roger J. Davis, Irwin Leav, Arthur M. Mercurio

Arthur M. Mercurio

The role of ERbeta in prostate cancer is unclear, although loss of ERbeta is associated with aggressive disease. Given that mice deficient in ERbeta do not develop prostate cancer, we hypothesized that ERbeta loss occurs as a consequence of tumorigenesis caused by other oncogenic mechanisms and that its loss is necessary for tumorigenesis. In support of this hypothesis, we found that ERbeta is targeted for repression in prostate cancer caused by PTEN deletion and that loss of ERbeta is important for tumor formation. ERbeta transcription is repressed by BMI-1, which is induced by PTEN deletion and important for prostate tumorigenesis. …

Nonenzymatic Glycosylation Of Erythrocyte Membrane Proteins. Relevance To Diabetes, J A. Miller, Ellen M. Gravallese, H F. Bunn

Ellen M. Gravallese

Nonenzymatic glycosylation of proteins of the erythrocyte membrane was determined by incubating erythrocyte ghosts with [3H]borohydride. The incorporation of tritium into protein provides a reliable assay of ketoamine linkages. The membrane proteins from 18 patients with diabetes incorporated twice as much radioactivity as membrane proteins from normal erythrocytes. After acid hydrolysis, amino acid analysis showed that the majority of radioactivity was localized to glucosyllysine. Autoradiograms showed that all of the major proteins of the erythrocyte membrane, separated by electrophoresis on sodium dodecyl sulfate gels, contained ketoamine linkages. No protein bands in either normal or diabetic erythrocytes showed significant preferential labeling. …

Introduction To Gene Enrichment Analysis Tools, Rolando Garcia-Milian

Rolando Garcia-Milian

Bioinformatics enrichment tools play an important role in identifying, annotating, and functionally analyzing large list of genes generated by high-throughput technologies (e.g. microarrary, RNA-seq, ChIP-chip). This workshop will provide an overview of the principle, type of enrichments, and the infrastructure of enrichment tools. By using concrete examples, it will also introduce some of the most popular tools for gene enrichment analysis such as DAVID, GSEA, and WebGestalt.

Phytochemical Analysis And Biological Activities Of Cola Nitida Bark, Durand Dah-Nouvlessounon, Mamoudou H. Dicko Prof., Lamine Baba-Moussa

Pr. Mamoudou H. DICKO, PhD

The aim of this study is to investigate some biological effects of Cola nitida’s bark after phytochemical screening. The bark was collected, dried, and then powdered for the phytochemical screening and extractions. Ethanol and ethyl acetate extracts of C. nitida were used in this study. The antibacterial activity was tested on ten reference strains and 28 meat isolated Staphylococcus strains by disc diffusionmethod. The antifungal activity of three fungal strains was determined on the Potato-Dextrose Agar medium mixed with the appropriate extract. The antioxidant activity was determined by DPPH and ABTS methods. Our data revealed the presence of various potent …