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The β-cell plays a central role in the pathogenesis of T1D by neoantigen formation due to the generation of post-translational modifications, such as deamidation, being potential triggers for breaking immune tolerance. We report the detection by LC-MS/MS of 16 novel Gln and 27 novel Asn deamidations...
ORGANISM(S): Homo sapiens (Human) 
2025-05-06 | PXD038758 | Pride
We have used RNA-seq to identify transcripts, including splice variants, expressed in human islets of Langerhans under control condition or following exposure to the pro-inflammatory cytokines interleukin-1β (IL-1β) and interferon-γ (IFN-γ). A total of 29,776 transcripts were identified as expressed...
ORGANISM(S): Homo sapiens 
The aim of this study was to investigate which intrinsic differences are present in the islets of Langerhans from diabetes-prone non-obese diabetic (NOD) mice before the onset of insulitis.
ORGANISM(S): Mus musculus 
Intensive efforts are focused on identifying regulators of human pancreatic islet cell growth and maturation to accelerate development of therapies for diabetes. In the present study we evaluate the contribution of the physical properties of the extracellular matrix in supporting long term culture o...
ORGANISM(S): Homo sapiens (Human) 
2018-07-11 | PXD007569 | Pride
Little is known about the contribution of the epigenome to the pathophysiology of type 2 diabetes (T2D). Here we have used genome-wide DNA methylation profiling to obtain the first comprehensive DNA methylation data set for human T2D pancreatic islets. Therefore, we analyzed the methylation profile ...
ORGANISM(S): Homo sapiens 
Filter-aided sample preparation (FASP) is widely used in bottom-up proteomics for tryptic digestion. However, the sample recovery yield of this method is limited by the amount of starting material. While ~100 ng of digested protein sample is sufficient for thorough protein identification, proteomic ...
ORGANISM(S): Homo sapiens (Human) Mus musculus (Mouse) 
2022-04-01 | PXD029039 | Pride
Pathways that stimulate β-cell regeneration remain of great clinical interest, yet effective therapeutic avenues that promote survival or reconstitution of β-cell mass remain elusive. Utilizing a mouse model with inducible β-cell apoptosis followed by adiponectin-mediated regeneration, we aimed to i...
ORGANISM(S): Mus musculus 
Hybrid insulin peptides (HIPs) result from the linkage of an insulin C-peptide fragment and another peptide via a traditional peptide bond to generate a sequence that is not encoded in the genome. Here, we sought to identify HIPs naturally present in the pancreatic islets of non-obese diabetic (NOD)...
ORGANISM(S): Homo sapiens (Human) Mus musculus (Mouse) 
2019-01-07 | PXD011606 | Pride
We performed global location analysis of Pdx1 occupancy in mouse and human islets.
ORGANISM(S): Mus musculus 
Intrauterine growth restriction (IUGR) increases susceptibility to age-related diseases including type 2 diabetes (T2DM), and is associated with permanent and progressive changes in gene expression and epigenetic regulation. We studied cytosine methylation throughout the genome in pancreatic islets...
ORGANISM(S): Rattus norvegicus 
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