The role of the islet niche on beta cell structure and function

E Lammert, P Thorn - Journal of molecular biology, 2020 - Elsevier
The islets of Langerhans or pancreatic islets are pivotal in the control of blood glucose and
are complex microorgans embedded within the larger volume of the exocrine pancreas …

Beta cell dysfunction in diabetes: the islet microenvironment as an unusual suspect

J Almaça, A Caicedo, L Landsman - Diabetologia, 2020 - Springer
Cells in different tissues, including endocrine cells in the pancreas, live in complex
microenvironments that are rich in cellular and acellular components. Intricate interactions …

[HTML][HTML] Bioengineering the vascularized endocrine pancreas: a fine-tuned interplay between vascularization, extracellular-matrix-based scaffold architecture, and …

C Pignatelli, F Campo, A Neroni… - Transplant …, 2022 - frontierspartnerships.org
Intrahepatic islet transplantation is a promising β-cell replacement strategy for the treatment
of type 1 diabetes. Instant blood-mediated inflammatory reactions, acute inflammatory storm …

[HTML][HTML] Pericyte dysfunction and impaired vasomotion are hallmarks of islets during the pathogenesis of type 1 diabetes

LM Gonçalves, MMF Qadir, M Boulina, M Makhmutova… - Cell reports, 2023 - cell.com
Pancreatic islets are endocrine organs that depend on their microvasculature to function.
Along with endothelial cells, pericytes comprise the islet microvascular network. These …

[HTML][HTML] Pericytes contribute to the islet basement membranes to promote beta-cell gene expression

L Sakhneny, A Epshtein, L Landsman - Scientific reports, 2021 - nature.com
Abstract β-Cells depend on the islet basement membrane (BM). While some islet BM
components are produced by endothelial cells (ECs), the source of others remains …

[HTML][HTML] The role of vascular cells in pancreatic beta-cell function

G Burganova, C Bridges, P Thorn… - Frontiers in …, 2021 - frontiersin.org
Insulin-producing β-cells constitute the majority of the cells in the pancreatic islets.
Dysfunction of these cells is a key factor in the loss of glucose regulation that characterizes …

The local paracrine actions of the pancreatic α-cell

R Rodriguez-Diaz, A Tamayo, M Hara, A Caicedo - Diabetes, 2020 - Am Diabetes Assoc
Secretion of glucagon from the pancreatic α-cells is conventionally seen as the first and most
important defense against hypoglycemia. Recent findings, however, show that α-cell signals …

Pericyte control of blood flow in intraocular islet grafts impacts glucose homeostasis in mice

A Tamayo, LM Gonçalves, R Rodriguez-Diaz… - Diabetes, 2022 - Am Diabetes Assoc
The pancreatic islet depends on blood supply to efficiently sense plasma glucose levels and
deliver insulin and glucagon into the circulation. Long believed to be passive conduits of …

[HTML][HTML] Systematic identification of cell-cell communication networks in the developing brain

BN Sheikh, O Bondareva, S Guhathakurta, TH Tsang… - IScience, 2019 - cell.com
Since the generation of cell-type specific knockout models, the importance of inter-cellular
communication between neural, vascular, and microglial cells during neural development …

[HTML][HTML] The postnatal pancreatic microenvironment guides β cell maturation through BMP4 production

L Sakhneny, L Mueller, A Schonblum, S Azaria… - Developmental Cell, 2021 - cell.com
Glucose homeostasis depends on regulated insulin secretion from pancreatic β cells, which
acquire their mature phenotype postnatally. The functional maturation of β cells is regulated …