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Compound library screening is a high-throughput in vivo technique that uses zebrafish embryos or larvae to screen large collections of chemical compounds for the quick identification of physiologically active candidates. This technique, combining automated chemical delivery, standardized phenotypic scoring, and quantitative data analysis, allows for the efficient screening of hundreds to thousands of compounds under physiologically relevant conditions.
Our Zebrafish Compound Library Screening Services support a wide range of discovery programs, from hit identification and lead discovery to drug repurposing and chemical biology research. Screening using zebrafish not only supports the discovery of compounds with desired biological activity, but also allows for the concurrent assessment of efficacy-related phenotypes, developmental effects, and early toxicity, thereby providing valuable in vivo evidence for compound prioritization at an early stage of drug discovery.
Compound library screening is particularly suited to projects that require rapid in vivo evaluation of vast or diverse compound libraries. Common applications include:
We support a wide variety of compound collections and tailor screening strategies according to library composition and project goals.
FDA‑Approved Drug Libraries
Support drug repurposing by evaluating approved therapeutics in new disease models. Their well‑established pharmacological and safety profiles facilitate rapid candidate prioritization.
Bioactive Compound Libraries
Contain compounds with known biological activities or molecular targets, making them well suited for mechanism studies and the discovery of novel in vivo biological activities.
Natural Product Libraries
Include plant‑derived compounds, microbial metabolites, and marine natural products. These libraries are valuable for discovering novel bioactive molecules while simultaneously assessing early toxicity.
Focused Libraries
Designed around specific target families, signaling pathways, disease areas, or structural scaffolds, these libraries are ideal for targeted screening and lead optimization.
Chemical Probe Libraries
Contain selective chemical probes and pathway modulators for mechanism studies, target validation, and pathway interrogation in zebrafish models.
Customer‑Supplied Libraries
We support customized screening of customer‑supplied libraries with flexible assay designs, including compound concentration, solvent conditions, dosing strategy, exposure duration, and screening endpoints.
Every screening campaign is designed according to the scientific objectives, compound library characteristics, and biological questions of each project. Our team works closely with clients to establish an efficient and reliable screening strategy.
Primary Screening
Large-scale primary screening is performed to rapidly identify compounds that produce measurable biological responses or desired phenotypic changes under standardized assay conditions.
Dose-Range Screening
Multiple concentration levels can be evaluated to assess concentration-dependent responses, estimate the effective activity window, and support subsequent dose-response studies.
Comparative Screening
Parallel comparison of compound series, structural analogs, reformulated candidates, or different production batches helps prioritize molecules with superior in vivo activity and consistency.
Phenotype Rescue Screening
Disease models or chemically induced injury models can be used to identify compounds capable of reversing pathological phenotypes or restoring normal biological function.
Toxicity Counter-Screening
Secondary toxicity evaluation helps distinguish genuine pharmacological activity from nonspecific effects caused by developmental abnormalities, behavioral suppression, or systemic toxicity, thereby reducing false-positive hits.
Secondary Confirmation
Promising candidates identified during primary screening are re-tested under independent experimental conditions to confirm reproducibility, strengthen confidence in hit selection, and support downstream validation studies.
Reliable compound preparation is essential for reproducible screening results. Our assay setup can include:
Screening data are processed using standardized quality control and statistical analysis to identify high-confidence hits and prioritize candidates for downstream studies.
Our analysis may include:
Our compound library screening platform supports a broad range of discovery programs, including:
For research use only. Not intended for any clinical use.
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