The nitrovinyl moiety determines the cyto- and genotoxic profiles of β-nitrostyrene derivatives: evidence from in silico and in vitro evaluation - Scorecard - MDSpire
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The nitrovinyl moiety determines the cyto- and genotoxic profiles of β-nitrostyrene derivatives: evidence from in silico and in vitro evaluation
Clinical Scorecard: The Role of the Nitrovinyl Group in the Cytotoxic and Genotoxic Effects of β-Nitrostyrene Derivatives: Insights from In Silico and In Vitro Studies
At a Glance
Category
Detail
Condition
Cytotoxicity and genotoxicity induced by β-nitrostyrene derivatives
Key Mechanisms
Nitrovinyl moiety responsible for DNA double strand breaks and cytotoxic effects; phenyl-moiety modifications can increase potency
Target Population
Cell lines including L5178Y/TK± and WS1 cells used for in vitro testing
Care Setting
Preclinical research and toxicological assessment settings
Key Highlights
Only β-nitrostyrene derivatives possessing a nitrovinyl moiety showed cytotoxic effects in tested cell lines.
The nitrovinyl moiety induces DNA double strand breaks; one compound caused DNA single strand breaks only.
Modification of the phenyl-moiety can increase the (geno)toxic potency of β-nitrostyrene derivatives.
Guideline-Based Recommendations
Diagnosis
Use phosphorylation of serine 139 on histone H2A.X (γH2A.X) to detect DNA double strand breaks.
Use phosphorylation of serine 10 on histone H3 (pH3 [S10]) to detect mitotic arrest and distinguish clastogenicity from aneugenicity.
Management
Select compounds for testing based on structural features, including presence of nitrovinyl moiety.
Apply grouping approaches based on biochemical properties and structural similarity for compound selection.
Monitoring & Follow-up
Monitor DNA damage endpoints such as γH2A.X and pH3 (S10) phosphorylation in in vitro assays.
Use QSAR models to predict mutagenicity and guide compound selection.
Risks
Compounds lacking the nitrovinyl moiety show reduced or no cytotoxic/genotoxic effects.
Structural modifications can alter genotoxic potency, necessitating careful evaluation.
Patient & Prescribing Data
Not applicable; study conducted in vitro and in silico on chemical compounds and cell lines.
Insights may inform development of new cancer treatments by understanding structure-activity relationships of β-nitrostyrene derivatives.
Clinical Best Practices
Employ a grouping approach combining structural similarity and biochemical properties to identify toxicologically relevant substructures.
Use multiple endpoints to differentiate types of DNA damage and chromosomal alterations.
Integrate in silico QSAR predictions with in vitro testing to optimize compound selection and risk assessment.
