Oleate protects beta-cells from the toxic effect of palmitate by activating pro-survival pathways of the ER stress response

E Sargsyan, K Artemenko, L Manukyan… - … et Biophysica Acta (BBA …, 2016 - Elsevier
Long-term exposure of beta cells to saturated fatty acids impairs insulin secretion and
increases apoptosis. In contrast, unsaturated fatty acids protect beta-cells from the long-term …

Effects of palmitate on ER and cytosolic Ca2+ homeostasis in β-cells

KS Gwiazda, TLB Yang, Y Lin… - American Journal of …, 2009 - journals.physiology.org
There are strong links between obesity, elevated free fatty acids, and type 2 diabetes.
Specifically, the saturated fatty acid palmitate has pleiotropic effects on β-cell function and …

Oleate prevents saturated-fatty-acid-induced ER stress, inflammation and insulin resistance in skeletal muscle cells through an AMPK-dependent mechanism

L Salvadó, T Coll, AM Gómez-Foix, E Salmeron… - Diabetologia, 2013 - Springer
Aims/hypothesis Although the substitution of saturated fatty acids with oleate has been
recommended in the management of type 2 diabetes mellitus, the mechanisms by which …

Stevioside counteracts the α-cell hypersecretion caused by long-term palmitate exposure

J Hong, L Chen, PB Jeppesen… - American Journal …, 2006 - journals.physiology.org
Long-term exposure to fatty acids impairs β-cell function in type 2 diabetes, but little is known
about the chronic effects of fatty acids on α-cells. We therefore studied the prolonged impact …

Non-esterified fatty acids are deleterious for human pancreatic islet function at physiological glucose concentration

M Dubois, J Kerr-Conte, V Gmyr, T Bouckenooghe… - Diabetologia, 2004 - Springer
Aims/hypothesis Whether excess glucose (glucotoxicity) and excess non-esterified fatty
acids (lipotoxicity) act synergistically or separately to alter beta-cell function on Type 2 …

Palmitic acid acutely inhibits acetylcholine-but not GLP-1-stimulated insulin secretion in mouse pancreatic islets

NM Doliba, W Qin, SA Vinogradov… - American Journal …, 2010 - journals.physiology.org
Fatty acids, acetylcholine, and GLP-1 enhance insulin secretion in a glucose-dependent
manner. However, the interplay between glucose, fatty acids, and the neuroendocrine …

Loss of Egr-1 sensitizes pancreatic β-cells to palmitate-induced ER stress and apoptosis

MW Cheong, LH Kuo, YN Cheng, PJ Tsai… - Journal of molecular …, 2015 - Springer
Pancreatic β-cells are particularly susceptible to fatty-acid-induced endoplasmic reticulum
(ER) stress and apoptosis. To understand how β-cells sense fatty acid stimuli and translate …

[HTML][HTML] Antagonism between saturated and unsaturated fatty acids in ROS mediated lipotoxicity in rat insulin-producing cells

W Gehrmann, W Würdemann, T Plötz, A Jörns… - Cellular Physiology and …, 2015 - karger.com
Background/Aims: Elevated levels of non-esterified fatty acids (NEFAs) are under suspicion
to mediate β-cell dysfunction and β-cell loss in type 2 diabetes, a phenomenon known as …

Long-chain polyunsaturated fatty acids and chemically induced diabetes mellitus: Effect of ω-6 fatty acids

Y Suresh, UN Das - Nutrition, 2003 - Elsevier
OBJECTIVES: We previously showed that prior oral supplementation of oils rich in ω-3,
eicosapentaenoic acid and docosahexaenoic acid, and ω-6, γ-linolenic acid and …

Free fatty acids block glucose-induced β-cell proliferation in mice by inducing cell cycle inhibitors p16 and p18

J Pascoe, D Hollern, R Stamateris, M Abbasi… - …, 2012 - Am Diabetes Assoc
Pancreatic β-cell proliferation is infrequent in adult humans and is not increased in type 2
diabetes despite obesity and insulin resistance, suggesting the existence of inhibitory …