Biological functions of ecto-enzymes in regulating extracellular adenosine levels in neoplastic and inflammatory disease states

MS Longhi, SC Robson, SH Bernstein, S Serra… - Journal of molecular …, 2013 - Springer
When present in the extracellular environment, the nucleoside adenosine protects cells and
tissues from excessive inflammation and immune-mediated damage while promoting …

Purinergic signalling in endocrine organs

G Burnstock - Purinergic signalling, 2014 - Springer
There is widespread involvement of purinergic signalling in endocrine biology. Pituitary cells
express P1, P2X and P2Y receptor subtypes to mediate hormone release. Adenosine 5 …

Intra-islet α-cell Gs signaling promotes glucagon release

L Liu, EI Kimberley, D Dattaroy, LF Barella… - Nature …, 2024 - nature.com
Glucagon, a hormone released from pancreatic α-cells, is critical for maintaining euglycemia
and plays a key role in the pathophysiology of diabetes. To stimulate the development of …

Diminished adenosine A1 receptor expression in pancreatic α-cells may contribute to the pathology of type 1 diabetes

L Yip, C Taylor, CC Whiting, CG Fathman - Diabetes, 2013 - Am Diabetes Assoc
Prediabetic NOD mice exhibit hyperglucagonemia, possibly due to an intrinsic α-cell defect.
Here, we show that the expression of a potential glucagon inhibitor, the adenosine A1 …

Possible involvement of A2A and A3 receptors in modulation of insulin secretion and β-cell survival in mouse pancreatic islets

M Ohtani, T Oka, K Ohura - General and comparative endocrinology, 2013 - Elsevier
Adenosine A1, A2A, A2B and A3 receptor mRNAs were found to be expressed in mouse
pancreatic islets and Beta-TC6 cells but their physiological or pharmacological actions are …

The calcium-sensing receptor and β-cell function

PE Squires, PM Jones, MYG Younis, CE Hills - Vitamins & Hormones, 2014 - Elsevier
In addition to its central role controlling systemic calcium homeostasis, the extracellular
calcium-sensing receptor (CaSR) can be found on multiple cell types not associated with …

Combined electrophysiological and biosensor approaches to study purinergic regulation of epileptiform activity in cortical tissue

BG Frenguelli, MJ Wall - Journal of neuroscience methods, 2016 - Elsevier
Background Cortical brain slices offer a readily accessible experimental model of a region of
the brain commonly affected by epilepsy. The diversity of recording techniques, seizure …

The CD39‐Adenosinergic Axis in the Pathogenesis of Immune and Nonimmune Diabetes

JSJ Chia, JL McRae, PJ Cowan… - BioMed Research …, 2012 - Wiley Online Library
Diabetes mellitus encompasses two distinct disease processes: autoimmune Type 1 (T1D)
and nonimmune Type 2 (T2D) diabetes. Despite the disparate aetiologies, the disease …

Improved blood glucose disposal and altered insulin secretion patterns in adenosine A1 receptor knockout mice

GK Yang, BB Fredholm, TJ Kieffer… - American Journal of …, 2012 - journals.physiology.org
Type 2 diabetes mellitus (T2DM) is characterized by the inability of the pancreatic β-cells to
secrete enough insulin to meet the demands of the body. Therefore, research of potential …

Regulatory role of adenosine in insulin secretion from pancreatic β-cells—Action via adenosine A1 receptor and beyond

T Szkudelski, K Szkudelska - Journal of physiology and biochemistry, 2015 - Springer
Under physiological conditions, insulin secretion from pancreatic β-cells is tightly regulated
by different factors, including nutrients, nervous system, and other hormones. Pancreatic β …