C-Glycosides and Aza-C-Glycosides as Potential Glycosidase and Glycosyltransferase Inhibitors
Why this work is in the frame
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Bibliographic record
Abstract
Glycosylation as one of most important post-translational modification of gene products is often critical to specific cellular biological functions. Since elevated glycoprocessing enzyme activities have been implicated in the development of various diseases including cancer metastasis, glycosidases and glycosyltransferases are considered as therapeutic targets. Azasugars, the first generation of enzyme inhibitors, have been extensively investigated and two azasugar-based drugs (Miglitol and Miglustat) have been approved. Aza-C-glycosides, molecules with an azasugar core and various C-aglycons attached at the pseudo anomeric center, have the potential to become the second-generation inhibitors with improved specificity and membrane permeability. In this review, C-glycosides, aza-C-glycosides, and aza-C-disaccharides are introduced as glycoprocessing enzyme inhibitors. The synthetic approaches toward those molecules are described based on the key reactions, which include reductive amination, nucleophilic ring opening of epoxides, nucleophilic addition to imines (C=N), and hetero-Michael additions. Aza-C-glycoside-based libraries are also described for the discovery of promising second-generation inhibitors.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it