Isolated pancreatic islets in three-dimensional matrices are responsive to stimulators and inhibitors of angiogenesis

A Kidszun, D Schneider, D Erb, G Hertl… - Cell …, 2006 - journals.sagepub.com
The formation of a new microvasculature is essential for the long-term survival and function
of the islet graft. In this study we examined endothelium of isolated pancreatic islets by …

[HTML][HTML] Bio-engineering of pre-vascularized islet organoids for the treatment of type 1 diabetes

CH Wassmer, F Lebreton, K Bellofatto… - Transplant …, 2022 - frontierspartnerships.org
Lack of rapid revascularization and inflammatory attacks at the site of transplantation
contribute to impaired islet engraftment and suboptimal metabolic control after clinical islet …

[HTML][HTML] β-Cell specific transcription factors in the context of diabetes mellitus and β-cell regeneration

S Balakrishnan, S Dhavamani… - Mechanisms of …, 2020 - Elsevier
All pancreatic cell populations arise from the standard gut endoderm layer in developing
embryos, requiring a regulatory gene network to originate and maintain endocrine lineages …

Revascularization of transplanted pancreatic islets following culture with stimulators of angiogenesis

R Olsson, A Maxhuni, PO Carlsson - Transplantation, 2006 - journals.lww.com
Background. Insufficient revascularization of transplanted islets may result in chronic
hypoxia and loss of islet function. This study investigated whether simple culture of islets …

[HTML][HTML] An insulin signaling feedback loop regulates pancreas progenitor cell differentiation during islet development and regeneration

L Ye, MA Robertson, TL Mastracci, RM Anderson - Developmental Biology, 2016 - Elsevier
As one of the key nutrient sensors, insulin signaling plays an important role in integrating
environmental energy cues with organism growth. In adult organisms, relative insufficiency …

Local integrin activation in pancreatic β cells targets insulin secretion to the vasculature

WJ Gan, OH Do, L Cottle, W Ma, E Kosobrodova… - Cell reports, 2018 - cell.com
The extracellular matrix (ECM) critically affects β cell functions via integrin activation. But
whether these ECM actions drive the spatial organization of β cells, as they do in epithelial …

Increased islet cell proliferation, decreased apoptosis, and greater vascularization leading to β-cell hyperplasia in mutant mice lacking insulin

B Duvillie, C Currie, T Chrones, D Bucchini… - …, 2002 - academic.oup.com
The targeted disruption of the two nonallelic insulin genes in mouse was reported previously
to result in intrauterine growth retardation, severe diabetes immediately after suckling, and …

Coexpression of vascular endothelial growth factor and interleukin-1 receptor antagonist for improved human islet survival and function

X Jia, K Cheng, RI Mahato - Molecular pharmaceutics, 2007 - ACS Publications
Ex vivo gene therapy approaches can improve the outcome of islet transplantation for
treating type I diabetes. We have recently shown improvement in islet survival and function …

Vessel Network Architecture of Adult Human Islets Promotes Distinct Cell-Cell Interactions In Situ and Is Altered After Transplantation

CM Cohrs, C Chen, SR Jahn, J Stertmann… - …, 2017 - academic.oup.com
Islet-cell hormone release is modulated by signals from endothelial and endocrine cells
within the islet. However, models of intraislet vascularization and paracrine cell signaling are …

Islet pericytes convert into profibrotic myofibroblasts in a mouse model of islet vascular fibrosis

L Mateus Gonçalves, E Pereira, JP Werneck de Castro… - Diabetologia, 2020 - Springer
Aims/hypothesis Islet vascular fibrosis may play an important role in the progression of type
2 diabetes, but there are no mouse models allowing detailed mechanistic studies to …