Interrupted glucagon signaling reveals hepatic α cell axis and role for L-glutamine in α cell proliferation

ED Dean, M Li, N Prasad, SN Wisniewski… - Cell metabolism, 2017 - cell.com
glucagon signaling and played a role in α cell proliferation. These results indicate a hepatic
α islet cell axis where glucagon … L-glutamine, regulate α cell proliferation and mass via mTOR…

Glucagon receptor signaling and glucagon resistance

L Janah, S Kjeldsen, KD Galsgaard… - International journal of …, 2019 - mdpi.com
… in skeletal muscle cells (as they do not express the glucagon receptor), the proposed index
may therefore reflect the liver–alpha cell axis rather than a muscle–liver–alpha cell axis. …

Glucagon and amino acids are linked in a mutual feedback cycle: the liver–α-cell axis

JJ Holst, NJ Wewer Albrechtsen, J Pedersen… - Diabetes, 2017 - Am Diabetes Assoc
… of glucagon appear to be mediated by a single glucagon receptor (30); therefore, it was
also possible to create another condition with lack of glucagon signaling, namely glucagon

The liver–α-cell axis in health and in disease

MM Richter, KD Galsgaard, E Elmelund, FK Knop… - Diabetes, 2022 - Am Diabetes Assoc
… The liver–α-cell axis. The liver–α-cell axis constitutes a feedback loop in which circulating
amino acids stimulate glucagon secretion from pancreatic α-cells and glucagon in turn controls …

Disruption of glucagon receptor signaling causes hyperaminoacidemia exposing a possible liver-alpha-cell axis

KD Galsgaard, M Winther-Sørensen… - American Journal …, 2018 - journals.physiology.org
… We hypothesized that disruption of glucagon receptor signaling would lead to an increased
glucagon, eventually associated with compensatory proliferation of the pancreatic alpha-cells

Glucagon receptor signaling in metabolic diseases

NJW Albrechtsen - Peptides, 2018 - Elsevier
… constitute the molecular underlying mechanism(s) for a liver-alpha cell axis by which glucagon
regulates amino acid metabolism and plasma levels of amino acids control the secretory …

Insulin secretion depends on intra-islet glucagon signaling

B Svendsen, O Larsen, MBN Gabe, CB Christiansen… - Cell reports, 2018 - cell.com
… of glucagon and GLP-1 receptors is essential for β cell secretory … glucagon secretion from
α cells, we used diphtheria toxin (DT)-induced destruction of proglucagon-producing α cells

The new biology and pharmacology of glucagon

TD Müller, B Finan, C Clemmensen… - Physiological …, 2017 - journals.physiology.org
… Paradoxically, the pancreatic peptide glucagon has reemerged … The synthesis of glucagon
analogs that are biophysically … of glucagon biology and ironically recruited glucagon agonism …

[HTML][HTML] Glucagon physiology

I Rix, C Nexøe-Larsen, NC Bergmann, A Lund… - 2015 - europepmc.org
cells, inhibit glucagon secretion whereas low plasma glucose concentrations represent one
of the most potent glucagon … and glucagon from the pancreatic beta cells and alpha cells, …

The Liver–α-Cell Axis and Type 2 Diabetes

NJ Wewer Albrechtsen, J Pedersen… - Endocrine …, 2019 - academic.oup.com
… -dependent ureagenesis is in the healthy liver activated during meals and thereby ensures
normal secretory rates of glucagon via the liver–α-cell axis, in which glucagon controls amino …