Biosynthesis, structure, and folding of the insulin precursor protein

M Liu, MA Weiss, A Arunagiri, J Yong… - Diabetes, Obesity …, 2018 - Wiley Online Library
Insulin synthesis in pancreatic β‐cells is initiated as preproinsulin. Prevailing glucose
concentrations, which oscillate pre‐and postprandially, exert major dynamic variation in …

[HTML][HTML] The dynamic plasticity of insulin production in β-cells

BB Boland, CJ Rhodes, JS Grimsby - Molecular metabolism, 2017 - Elsevier
Background Although the insulin-producing pancreatic β-cells are quite capable of adapting
to both acute and chronic changes in metabolic demand, persistently high demand for …

Controlled induction of human pancreatic progenitors produces functional beta‐like cells in vitro

HA Russ, AV Parent, JJ Ringler, TG Hennings… - The EMBO …, 2015 - embopress.org
Directed differentiation of human pluripotent stem cells into functional insulin‐producing
beta‐like cells holds great promise for cell replacement therapy for patients suffering from …

[HTML][HTML] Insulin biosynthesis, secretion, structure, and structure-activity relationships

M Weiss, DF Steiner, LH Philipson - 2015 - europepmc.org
Insulin plays a central role in the regulation of human metabolism. The hormone is a 51-
residue anabolic protein that is secreted by the β-cells in the Islets of Langerhans …

Proinsulin misfolding and endoplasmic reticulum stress during the development and progression of diabetes☆

J Sun, J Cui, Q He, Z Chen, P Arvan, M Liu - Molecular aspects of medicine, 2015 - Elsevier
To maintain copious insulin granule stores in the face of ongoing metabolic demand,
pancreatic beta cells must produce large quantities of proinsulin, the insulin precursor …

Proinsulin misfolding is an early event in the progression to type 2 diabetes

A Arunagiri, L Haataja, A Pottekat, F Pamenan, S Kim… - Elife, 2019 - elifesciences.org
Biosynthesis of insulin–critical to metabolic homeostasis–begins with folding of the
proinsulin precursor, including formation of three evolutionarily conserved intramolecular …

Adaptation to chronic ER stress enforces pancreatic β-cell plasticity

CW Chen, BJ Guan, MR Alzahrani, Z Gao… - Nature …, 2022 - nature.com
Pancreatic β-cells are prone to endoplasmic reticulum (ER) stress due to their role in insulin
secretion. They require sustainable and efficient adaptive stress responses to cope with this …

INS-gene mutations: from genetics and beta cell biology to clinical disease

M Liu, J Sun, J Cui, W Chen, H Guo, F Barbetti… - Molecular aspects of …, 2015 - Elsevier
A growing list of insulin gene mutations causing a new form of monogenic diabetes has
drawn increasing attention over the past seven years. The mutations have been identified in …

Endoplasmic reticulum tubules limit the size of misfolded protein condensates

S Parashar, R Chidambaram, S Chen, CR Liem… - Elife, 2021 - elifesciences.org
The endoplasmic reticulum (ER) is composed of sheets and tubules. Here we report that the
COPII coat subunit, SEC24C, works with the long form of the tubular ER-phagy receptor …

PGRMC1 acts as a size-selective cargo receptor to drive ER-phagic clearance of mutant prohormones

YJ Chen, J Knupp, A Arunagiri, L Haataja… - Nature …, 2021 - nature.com
Abstract The reticulon-3 (RTN3)-driven targeting complex promotes clearance of misfolded
prohormones from the endoplasmic reticulum (ER) for lysosomal destruction by ER-phagy …