ArticlePflugers Archiv : European journal of physiology2016
Fluorescent protein vectors for pancreatic islet cell identification in live-cell imaging.
Article in Pflugers Archiv : European journal of physiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
25 citing papers in PubMed, 43 citations in OpenAlex.
- Pancreatic α-cells are functionally heterogeneous and sex-dependently regulated by neighboring endocrine cells.Communications biology · 2026Article
- Histological distribution of endocrine cells in the pancreas of Javan Mongoose (Open veterinary journal · 2026Article
- Heterogeneity in the coordination of delta cells with beta cells is driven by both paracrine signals and low-density Cx36 gap junctions.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Efficient transduction of pancreas tissue slices with genetically encoded calcium integrators.bioRxiv : the preprint server for biology · 2025Article
- Positive-going hybrid indicators for voltage imaging in excitable cells and tissues.Science advances · 2025Article
- Real-time detection of somatostatin release from single islets reveals hypersecretion in type 2 diabetes.Acta physiologica (Oxford, England) · 2025Article
- Article
- The human α cell in health and disease.The Journal of endocrinology · 2023Review
- The effect of forskolin and the role of Epac2A during activation, activity, and deactivation of beta cell networks.Frontiers in endocrinology · 2023Article
- Pancreatic α and β cells are globally phase-locked.Nature communications · 2022Article
- Heterogenous impairment of α cell function in type 2 diabetes is linked to cell maturation state.Cell metabolism · 2022Article
- From Isles of Königsberg to Islets of Langerhans: Examining the Function of the Endocrine Pancreas Through Network Science.Frontiers in endocrinology · 2022Review
- Alpha-cell paracrine signaling in the regulation of beta-cell insulin secretion.Frontiers in endocrinology · 2022Review
- Article
- Physiological levels of adrenaline fail to stop pancreatic beta cell activity at unphysiologically high glucose levels.Frontiers in endocrinology · 2022Article
- Review
- The Human Islet: Mini-Organ With Mega-Impact.Endocrine reviews · 2021Review
- Article
- Vitamin-D-Binding Protein Contributes to the Maintenance of α Cell Function and Glucagon Secretion.Cell reports · 2020Article
- Paracrine control of α-cell glucagon exocytosis is compromised in human type-2 diabetes.Nature communications · 2020Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The islets of Langerhans contain different types of endocrine cells, which are crucial for glucose homeostasis. β- and α-cells that release insulin and glucagon, respectively, are most abundant, whereas somatostatin-producing δ-cells and particularly pancreatic polypeptide-releasing PP-cells are more scarce. Studies of islet cell function are hampered by difficulties to identify the different cell types, especially in live-cell imaging experiments when immunostaining is unsuitable. The aim of the present study was to create a set of vectors for fluorescent protein expression with cell-type-specific promoters and evaluate their applicability in functional islet imaging. We constructed six adenoviral vectors for expression of red and green fluorescent proteins controlled by the insulin, preproglucagon, somatostatin, or pancreatic polypeptide promoters. After transduction of mouse and human islets or dispersed islet cells, a majority of the fluorescent cells also immunostained for the appropriate hormone. Recordings of the sub-plasma membrane Ca(2+) and cAMP concentrations with a fluorescent indicator and a protein biosensor, respectively, showed that labeled cells respond to glucose and other modulators of secretion and revealed a striking variability in Ca(2+) signaling among α-cells. The measurements allowed comparison of the phase relationship of Ca(2+) oscillations between different types of cells within intact islets. We conclude that the fluorescent protein vectors allow easy identification of specific islet cell types and can be used in live-cell imaging together with organic dyes and genetically encoded biosensors. This approach will facilitate studies of normal islet physiology and help to clarify molecular defects and disturbed cell interactions in diabetic islets.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.