Table 1.
Comparison of key evidence supporting the toxic oligomer hypothesis of A-beta in Alzheimer's disease and IAPP in type 2 diabetes
Investigation | Alzheimer's disease | Type 2 diabetes | ||
---|---|---|---|---|
Evidence? | References | Evidence? | References | |
Detection and quantification of oligomers in human tissue | ✓ | [22, 75-77] | ✓ | [40]a |
Characterisation of oligomers from human tissue | ✓ | [78] | ✗ | - |
Extraction of oligomers from human tissue and application to cultured cells to determine cytotoxicity | ✓ | [78] | ✗ | - |
Synthetic peptides capable of forming oligomers do or do not accurately mimic human peptides in vivo | ✓ | Reviewed in [79] | ✗ | - |
Use of cell-derived human oligomers for in vivo experiments | ✓ | [80] | ✗ | - |
Oligomer-binding antibodies can ameliorate neuronal (for A-beta) or islet (for IAPP) cell toxicity | ✓ | [36, 81] | ✗ | - |
Oligomer-specific inhibitors can ameliorate neuronal (for A-beta) or islet (for IAPP) cell toxicity | ✓ | [82, 83] | ✗ | - |
A11-immunoreactivity in paraffin-embedded human pancreas tissue. See related discussion regarding specificity of A11 in main commentary