DIABETES GAD65 Antigen Therapy in Recently Diagnosed Type 1 Diabetes Mellitus Investigators hypothesized that alum-formulated GAD65 (GAD-alum) can preserve beta-cell function in patients with recent-onset type 1 diabetes. [N Engl J Med] Abstract | Press Release Optimal Elevation of β-Cell 11β-Hydroxysteroid Dehydrogenase Type 1 Is a Compensatory Mechanism that Prevents High Fat Diet-Induced β-Cell Failure To define the direct impact of elevated pancreatic β-cell 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) on insulin secretion, researchers generated β-cell-specific, 11β-HSD1-overexpressing mice on a strain background prone to β-cell failure. [Diabetes] Abstract Loss of Both ABCA1 and ABCG1 Results in Increased Disturbances in Islet Sterol Homeostasis, Inflammation, and Impaired β-Cell Function To determine whether ATP-binding cassette (ABC) transporters ABCA1 and ABCG1 have complementary roles in β-cells, mice lacking ABCG1 and β-cell ABCA1 were generated and glucose tolerance, islet sterol levels, and β-cell function were assessed. [Diabetes] Abstract miR-33a Modulates ABCA1 Expression, Cholesterol Accumulation, and Insulin Secretion in Pancreatic Islets Researchers examined whether microRNA-33a (miR-33a) regulates ATP-binding cassette transporter A1 (ABCA1) expression in pancreatic islets, thereby affecting cholesterol accumulation and insulin secretion. [Diabetes] Abstract Deletion of Fas Protects Islet Beta Cells from Cytotoxic Effects of Human Islet Amyloid Polypeptide Researchers used islet beta cells as well as two ex vivo models of islet amyloid formation, cultured human islets and human islet amyloid polypeptide (hIAPP)-expressing transgenic mouse islets with or without beta cell Fas deletion, to test whether the aggregation of endogenous hIAPP induces Fas upregulation in beta cells and whether deletion or blocking of Fas protects beta cells from amyloid toxicity. [Diabetologia] Abstract PANCREATIC CANCER Hedgehog-EGFR Cooperation Response Genes Determine the Oncogenic Phenotype of Basal Cell Carcinoma and Tumor-Initiating Pancreatic Cancer Cells Researchers describe Hedgehog (HH)-epidermal growth factor receptor (EGFR) cooperation response genes including SOX2, SOX9, JUN, CXCR4 and FGF19 that are synergistically activated by HH-EGFR signal integration and required for in vivo growth of basal cell carcinoma cells and tumor-initiating pancreatic cancer cells. [EMBO Mol Med] Abstract Chemically-Modified Peptides Targeting the PDZ Domain of GIPC as a Therapeutic Approach for Cancer Previously researchers developed a molecular probe, the cell permeable octapeptide CR1023, which diminished proliferation of pancreatic cancer cells. The researchers have expanded upon that discovery using a chemical modification approach, and here report a series of cell permeable, side chain-modified lipopeptides that target the GIPC (GAIP-interacting protein, C terminus) PDZ domain in vitro and in vivo. [ACS Chem Biol] Abstract Small Cell and Large Cell Neuroendocrine Carcinomas of the Pancreas Are Genetically Similar and Distinct from Well-Differentiated Pancreatic Neuroendocrine Tumors The aim of this study was to determine the clinicopathologic and genetic features of poorly differentiated neuroendocrine carcinomas and compare them with other types of pancreatic neoplasms. [Am J Surg Pathol] Abstract Oncogenic MST1R Activity in Pancreatic and Gastric Cancer Represents a Valid Target of HSP90 Inhibitors The aim of this study was to evaluate the effects of HSP90 blockade by EC154 on the oncogenic receptor tyrosine kinase macrophage-stimulating 1 receptor (MST1R) in gastric and pancreatic cancer. [Anticancer Res] Abstract |