Measurement of pulsatile insulin secretion: Rationale and methodology

MC Laurenti, A Matveyenko, A Vella - Metabolites, 2021 - mdpi.com
Pancreatic β-cells are responsible for the synthesis and exocytosis of insulin in response to
an increase in circulating glucose. Insulin secretion occurs in a pulsatile manner, with …

Assessment of individual and standardized glucagon kinetics in healthy humans

MC Laurenti, A Vella, JD Adams… - American Journal …, 2021 - journals.physiology.org
Impaired glucose tolerance arises out of impaired postprandial insulin secretion and
delayed suppression of glucagon. These defects occur early and independently in the …

Altered insulin clearance after gastric bypass and sleeve gastrectomy in the fasting and prandial conditions

M Salehi, R DeFronzo, A Gastaldelli - International journal of molecular …, 2022 - mdpi.com
Background: The liver has the capacity to regulate glucose metabolism by altering the
insulin clearance rate (ICR). The decreased fasting insulin concentrations and enhanced …

Model-based assessment of C-peptide secretion and kinetics in post gastric bypass individuals experiencing postprandial hyperinsulinemic hypoglycemia

M Schiavon, D Herzig, M Hepprich… - Frontiers in …, 2021 - frontiersin.org
Assessment of insulin secretion is key to diagnose postprandial hyperinsulinemic
hypoglycemia (PHH), an increasingly recognized complication following bariatric surgery …

[HTML][HTML] Diabetes-associated genetic variation in TCF7L2 alters pulsatile insulin secretion in humans

MC Laurenti, C Dalla Man, RT Varghese, JC Andrews… - JCI insight, 2020 - ncbi.nlm.nih.gov
BACKGROUND Metabolic disorders such as type 2 diabetes have been associated with a
decrease in insulin pulse frequency and amplitude. We hypothesized that the T allele at …

[PDF][PDF] Methods to assess in vivo insulin sensitivity and insulin secretion

RC Bonadonna, L Boselli, A Dei Cas… - Diabetes …, 2018 - academia.edu
The assessments of insulin sensitivity/resistance and of insulin secretion/beta cell function in
humans are still significant challenges. The interest for these traits stems from their proved …

The relationship between insulin and glucagon concentrations in non‐diabetic humans

MC Laurenti, P Arora, C Dalla Man… - Physiological …, 2022 - Wiley Online Library
Abnormal postprandial suppression of glucagon in Type 2 diabetes (T2DM) has been
attributed to impaired insulin secretion. Prior work suggests that insulin and glucagon show …

Insulin pulse characteristics and insulin action in non-diabetic humans

MC Laurenti, C Dalla Man, RT Varghese… - The Journal of …, 2021 - academic.oup.com
Objective Pulsatile insulin secretion is impaired in diseases such as type 2 diabetes that are
characterized by insulin resistance. This has led to the suggestion that changes in insulin …

Association between allelic variants in the glucagon‐like peptide 1 and cholecystokinin receptor genes with gastric emptying and glucose tolerance

B Anderson, P Carlson, M Laurenti… - …, 2020 - Wiley Online Library
Background Nutrient‐mediated release of cholecystokinin and glucagon‐like peptide‐1
(GLP‐1) regulates gastric emptying (GE) via duodenogastric feedback mechanisms; GLP‐1 …

Assessment of pulsatile insulin secretion derived from peripheral plasma C-peptide concentrations by nonparametric stochastic deconvolution

MC Laurenti, A Vella, RT Varghese… - American Journal …, 2019 - journals.physiology.org
The characteristics of pulsatile insulin secretion are important determinants of type 2
diabetes pathophysiology, but they are understudied due to the difficulties in measuring …