Global genomic and transcriptomic analysis of human pancreatic islets reveals novel genes influencing glucose metabolism

J Fadista, P Vikman, EO Laakso… - Proceedings of the …, 2014 - National Acad Sciences
Genetic variation can modulate gene expression, and thereby phenotypic variation and
susceptibility to complex diseases such as type 2 diabetes (T2D). Here we harnessed the …

TCF7L2 is a master regulator of insulin production and processing

…, J Su, K Bailey, E Ottosson-Laakso… - Human molecular …, 2014 - academic.oup.com
Genome-wide association studies have revealed >60 loci associated with type 2 diabetes (T2D),
but the underlying causal variants and functional mechanisms remain largely elusive. …

Identification of novel genes for glucose metabolism based upon expression pattern in human islets and effect on insulin secretion and glycemia

…, E Ahlqvist, D Atac, E Ottosson-Laakso… - Human molecular …, 2015 - academic.oup.com
Normal glucose homeostasis is characterized by appropriate insulin secretion and low HbA1c.
Gene expression signatures associated with these two phenotypes could be essential for …

Glucose-induced changes in gene expression in human pancreatic islets: causes or consequences of chronic hyperglycemia

E Ottosson-Laakso, U Krus, P Storm, RB Prasad… - Diabetes, 2017 - Am Diabetes Assoc
Dysregulation of gene expression in islets from patients with type 2 diabetes (T2D) might be
causally involved in the development of hyperglycemia, or it could develop as a …

[HTML][HTML] Serotonin (5-HT) receptor 2b activation augments glucose-stimulated insulin secretion in human and mouse islets of Langerhans

…, C Nagorny, A Bagge, J Fadista, E Ottosson-Laakso… - Diabetologia, 2016 - Springer
Aims/hypothesis The G q -coupled 5-hydroxytryptamine 2B (5-HT 2B ) receptor is known to
regulate the proliferation of islet beta cells during pregnancy. However, the role of serotonin …

[PDF][PDF] Glucose-dependent granule docking limits insulin secretion and is decreased in human type 2 diabetes

NR Gandasi, P Yin, M Omar-Hmeadi, EO Laakso… - Cell metabolism, 2018 - cell.com
Glucose-stimulated insulin secretion is biphasic, with a rapid first phase and a slowly
developing sustained second phase; both are disturbed in type 2 diabetes (T2D). Biphasic …

[HTML][HTML] HDAC7 is overexpressed in human diabetic islets and impairs insulin secretion in rat islets and clonal beta cells

…, K Bacos, M Bysani, A Bagge, E Ottosson Laakso… - Diabetologia, 2017 - Springer
Aims/hypothesis Pancreatic beta cell dysfunction is a prerequisite for the development of type
2 diabetes. Histone deacetylases (HDACs) may affect pancreatic endocrine function and …

[PDF][PDF] The complement inhibitor CD59 regulates insulin secretion by modulating exocytotic events

…, P Buda, E Garcia-Vaz, MF Gomez, E Ottosson-Laakso… - Cell metabolism, 2014 - cell.com
Type 2 diabetes is triggered by reduced insulin production, caused by genetic and environmental
factors such as inflammation originating from the innate immune system. Complement …

[HTML][HTML] Genetic determinants of circulating GIP and GLP-1 concentrations

…, A Lindqvist, U Krus, L Hakaste, E Ottosson-Laakso… - JCI insight, 2017 - ncbi.nlm.nih.gov
The secretion of insulin and glucagon from the pancreas and the incretin hormones
glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic peptide (GIP) from the …

Islet Gene View—a tool to facilitate islet research

…, G Hatem, E Ottosson-Laakso… - Life Science …, 2022 - life-science-alliance.org
Characterization of gene expression in pancreatic islets and its alteration in type 2 diabetes (T2D)
are vital in understanding islet function and T2D pathogenesis. We leveraged RNA …