This record provides bibliographic details and links to the original research. An editorial study breakdown is not available.
What the researchers found
Pramlintide, a triple proline amylinomimetic, was shown to assemble into multimers and form amyloid fibrils in vitro in a pH-dependent manner within hours, as demonstrated by ion mobility spectrometry, thioflavin T fluorescence, electron microscopy, atomic force microscopy, and X-ray diffraction.
Why it matters
Understanding pramlintide's ability to form amyloid fibers is crucial for peptide drug development and safety, as amyloid formation can impact drug stability and potential side effects in diabetic treatments.
How the study worked
The study used ion mobility spectrometry-based mass spectrometry to detect pramlintide multimers and monitored amyloid fibril formation in vitro using thioflavin T fluorescence assays, peptide solubility quantification, transmission electron microscopy, atomic force microscopy, and X-ray diffraction.
What this study cannot tell us
The study was conducted in vitro and may not fully represent amyloid formation behavior in living organisms; the clinical implications of pramlintide amyloidogenesis remain unclear.
Read the original research
Amyloidogenesis of the amylin analogue pramlintide.
Biophysical chemistry, 219, 1-8
Citation
da Silva, Dayana Cabral; Fontes, Giselle N; Erthal, Luiza C S; Lima, Luís Maurício T R. (2016). Amyloidogenesis of the amylin analogue pramlintide.. Biophysical chemistry, 219, 1-8. https://doi.org/10.1016/j.bpc.2016.09.007