β-Cell Dedifferentiation in HOMA-βlow and HOMA-βhigh Subjects
Authors' conclusion
Our findings emphasize the contribution of β-cell dedifferentiation to β-cell dysfunction in humans. Bach2 induction in β-cells with higher frequency of dedifferentiation observed in HOMA-βlow subjects reinforces its distinctive role as a pharmaceutical target of β-cell dedifferentiation for the treatment of people with diabetes.
Study context
- Population
- Patients with benign pancreatic cystic neoplasm or intrapancreatic accessory spleen; paraneoplastic pancreatic tissue
- Participants
- 13 patients
- Comparison
- HOMA-βlow vs HOMA-βhigh subjects
- Outcome
- β-cell dedifferentiation and β-cell function
Main finding
As reported in the abstract
- β-cell dedifferentiation ratio and Aldh1a3 inversely related to HOMA-β and to in situ β-cell functional markers Glut2 and Ucn3
- HOMA-βlow vs HOMA-βhigh islets: increased β-cell dedifferentiation ratio, enriched Aldh1a3, lower Glut2 and Ucn3 expression
- Bach2 expression significantly induced in HOMA-βlow islets and positively correlated with β-cell dedifferentiation ratio
Original publication
β-Cell Dedifferentiation in HOMA-βlow and HOMA-βhigh Subjects. J Clin Endocrinol Metab. Published 12 August 2024. doi:10.
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