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Chang Sun

3 papers indexed

openalexFrontiers in Immunology2026-07-24

Aerobic exercise combined with FK866 ameliorates Alzheimer’s disease-like pathology in APP/PS1 mice with NAMPT abnormality

Chang Sun, Tinggui Zhang, Bei Fan, Xi Zhang, Na Zhao

Nicotinamide phosphoribosyltransferase (NAMPT), the rate-limiting enzyme in the NAD + salvage pathway, has emerged as an important regulatory node linking metabolic homeostasis to neuroinflammatory responses. However, although pharmacological inhibition of NAMPT may attenuate inf…

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arxivcs.AI2026-07-16

Demographically-Conditioned Synthetic Medical Images for Bias Mitigation and Bias Detection in Disease Classifiers

Mahmoud Ibrahim, Bart Elen, Chang Sun, Gokhan Ertaylan, Michel Dumontier

Per-subgroup fairness audits of medical image classifiers face a sample-size problem: minority subgroups in held-out test sets have so few samples that the resulting confidence intervals on per-subgroup performance are wider than the bias the audit is meant to detect. We argue th…

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arxivcs.CLcs.AI2026-06-30

Probing Stylistic Appropriation using Large Language Models: An Evaluation Framework for Copyright Infringement under EU Law

Noah Scharrenberg, Chang Sun

Large language models (LLM) trained on web-scale corpora generate output that may infringe copyright, yet existing technical safeguards focus narrowly on verbatim memorisation. EU copyright doctrine applies a broader standards: substantial similarity, which extends to stylistic c…

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