β-Lapachone (Beta-Lapachone) is a natural ortho-naphthoquinone isolated from Tabebuia avellanedae. In NQO1-expressing cells, β-Lapachone undergoes NQO1-mediated redox cycling that generates reactive oxygen species (ROS). This process can trigger DNA damage, PARP-1 hyperactivation, and NAD⁺/ATP depletion, ultimately promoting cell death. Researchers also study β-Lapachone for its anti-inflammatory, antimicrobial, and neuroprotective activities.
Key Features and Benefits
- Naphthoquinone Compound: β-Lapachone is a bioactive ortho-naphthoquinone that is associated with compounds derived from the lapacho tree.
- NQO1-Activated: NQO1 reduces β-Lapachone and drives redox cycling in cells with sufficient NQO1 activity.
- ROS Generation: NQO1-dependent redox cycling specifically generates reactive oxygen species and promotes oxidative stress.
- DNA Damage Research: β-Lapachone-induced oxidative stress can damage DNA and activate cellular DNA repair pathways.
- Cell Death Studies: Researchers use β-Lapachone to investigate links among NQO1 activity, oxidative stress, DNA damage, metabolic depletion, and cell death.
- Research Tool: β-Lapachone supports studies of redox biology, NQO1-dependent pharmacology, cancer biology, and cellular metabolism.
Applications
- Cancer Research: Researchers use β-Lapachone to specifically investigate NQO1-dependent responses in cancer cells.
- NQO1 Research: Supports studies of NAD(P)H oxidoreductase 1 activity and associated pathways.
- Oxidative Stress Research: Enables investigation of ROS generation and cellular responses to oxidative stress.
- DNA Damage Research: Supports studies of oxidative DNA damage and subsequent DNA repair responses.
- Cell Signaling: Helps researchers investigate signaling pathways associated with redox stress, metabolic disruption, and cell death.
Storage and Handling
- Storage: Store according to the product specification in a tightly sealed container. Protect from light, moisture, and excessive heat.
- Handling: Follow appropriate laboratory practices and minimize unnecessary exposure to light and environmental moisture.
β-Lapachone (Beta-Lapachone) provides a useful research tool for investigating NQO1-dependent redox cycling and oxidative stress and also supports research into DNA damage, cellular metabolism, cancer biology, and cell-death mechanisms.
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