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Reactive oxygen species (ROS) modulators are antioxidants, scavengers and enzyme inhibitors for oxidative stress work. Superoxide, hydrogen peroxide and hydroxyl radicals arise mainly from the mitochondrial respiratory chain and from oxidase enzymes. Cells remove superoxide with superoxide dismutase, an enzyme activity first described in 1969. Acetylcysteine supplies cysteine for glutathione synthesis, and Mito-TEMPO is a superoxide scavenger targeted to mitochondria. Allopurinol inhibits xanthine oxidase, one enzymatic source of superoxide in tissues. Zinc protoporphyrin blocks heme oxygenase 1 (HO-1), whose induction forms part of the cellular defense against oxidative stress. Temoporfin works the other way, as a photosensitizer that generates ROS under light. Inhibitors of the superoxide-producing enzymes are listed under NADPH Oxidase.
Synonyms: NSC 74385
Methyl vanillate, one of the ingredients in Hovenia dulcis Thunb, is a Wnt/β-catenin pathway activator. A benzoate ester that is the methyl ester of vanillic acid. It has a role as an antioxidant and a plant metabolite.
Synonyms: L-Ascorbic acid 2-phosphate trisodium
2-Phospho-L-ascorbic acid trisodium acts as an antioxidant and a stimulator of hepatocyte growth factor (HGF) production.
Beta-Elemonic acid (3-Oxotirucallenoic Acid), a known triterpene isolated from Boswellia (Burseraceae), exhibits anti inflammatory effects.
ACA-28 (compound 2a) is a potent modulator of the ERK MAPK signaling pathway that exerts anticancer effects through a unique mechanism involving ERK hyperactivation. Rather than inhibiting ERK activity directly, ACA-28 induces sustained ERK activation, which paradoxically triggers apoptosis in cancer cells. It demonstrates selective cytotoxicity, inhibiting the growth of melanoma cells (SK-MEL-28) with an IC₅₀ of 5.3 μM, while showing lower toxicity toward normal human melanocytes (NHEM), with an IC₅₀ of 10.1 μM. ACA-28's ability to exploit ERK signaling dysregulation for selective induction of apoptosis makes it a promising candidate for further development in cancer therapy, particularly in ERK-dependent malignancies.
Solasonine is a naturally occurring steroidal glycoalkaloid isolated from *Solanum melongena* (eggplant), known for its anti-infective, anticancer, and neurogenesis-promoting properties. It acts as a ferroptosis inducer by disrupting the glutathione redox system through inhibition of glutathione peroxidase 4 (GPX4). By promoting ferroptotic cell death in hepatocellular carcinoma (HCC) cells, Solasonine serves as a valuable compound for investigating ferroptosis mechanisms and developing novel anticancer strategies.
Perfluoroundecanoic acid is an oxidative stress inducer that targets various cellular pathways. It has been shown to promote macrophage M2 polarization and activate the Wnt/β-catenin signaling cascade, leading to enhanced nuclear accumulation of β-catenin. Research indicates that perfluoroundecanoic acid can accelerate tumor progression, induce DNA damage, and contribute to reproductive and pathophysiological dysfunctions in male models. Additionally, it plays a role in the development of insulitis in type 1 diabetes models and inhibits Leydig cell development in pubertal male rats, making it valuable for studies in ovarian cancer, type 1 diabetes, and inflammation.
ROS-generating agent 1 is a potent reactive oxygen species (ROS) inducer that covalently modifies the Sec-498 residue of thioredoxin reductase (TrxR), leading to an increase in intracellular ROS levels. This compound effectively reduces TrxR protein levels, initiating ROS-dependent apoptosis and ferroptosis in NCI-H460 cancer cells. Due to its ability to induce oxidative stress, ROS-generating agent 1 serves as a valuable tool for cancer research and therapeutic studies targeting oxidative damage mechanisms.
Synonyms: Tetrachloro-p-benzoquinone; TCBQ
Chloranil (Tetrachloro-p-benzoquinone) functions as a reactive oxygen species (ROS) inducer, playing a significant role in research focused on oxidative stress. It is known to promote the formation of neutrophil extracellular traps via the ROS-JNK-NOX2 signaling pathway. Additionally, Chloranil has been shown to induce ferroptosis and neuroinflammation, as well as triggering apoptosis in mouse embryonic stem cells. Its multifaceted biological activities make it a valuable reagent for studies investigating ROS-mediated mechanisms and cellular responses.
7β-Hydroxycholesterol is an oxysterol formed through the oxidation of cholesterol, serving as a potent oxidative stress inducer. This compound is known to elicit cellular oxidative stress, leading to apoptosis and necrosis, which contributes to its cytotoxic effects. Additionally, 7β-Hydroxycholesterol exhibits antitumor activity, making it relevant for research in cancer biology and cell death pathways.
L-Glutamic acid monosodium (hydrate) is primarily known as an oxidative stress inducer. It has been shown to induce oxidative stress, leading to DNA damage and apoptosis in liver and brain tissues, particularly in murine models. This compound serves as a valuable tool for investigating the mechanisms underlying metabolic disorders and obesity associated with oxidative stress.
Didocosahexaenoin is a diglyceride derivative of docosahexaenoic acid (DHA) known to be a reactive oxygen species (ROS) inducer. It significantly disrupts mitochondrial membrane potential, resulting in elevated ROS levels and subsequent apoptosis. Research demonstrates that Didocosahexaenoin exhibits greater cytotoxicity compared to DHA, particularly in human prostate carcinoma cells, making it a valuable tool for studying oxidative stress and apoptosis in cancer research.
Synonyms: XO; XOD
Xanthine oxidase, Microorganism (XO) is an enzyme belonging to the xanthine oxidoreductase family that acts as a potent inducer of reactive oxygen species (ROS). This enzyme catalyzes the oxidation of hypoxanthine to xanthine and subsequently converts xanthine into uric acid. Xanthine oxidase is widely utilized in research applications focused on oxidative stress, inflammation, and related pathological conditions.
Dimethyl itaconate acts as a reactive oxygen species (ROS) inducer and is known for its immunomodulatory properties. It enhances innate immune memory (trained immunity) while inhibiting microglial activation, thereby reducing neuroinflammation and synaptic structural damage. Additionally, dimethyl itaconate has been shown to influence the composition of intestinal microbiota, making it useful for studies related to immune response and neuroinflammatory conditions.
Synonyms: (R)-2-Hydroxyglutarate; (R)-2-Hydroxyglutaric acid; (R)-2-Hydroxypentanedioic acid
D-α-Hydroxyglutaric acid (R-2-Hydroxyglutarate) primarily functions as a reactive oxygen species (ROS) activator and is notable for its role as a metabolite in D-2-hydroxyglutaric aciduria. It acts as a weak competitive antagonist of α-ketoglutarate (α-KG), demonstrating inhibition of α-KG-dependent dioxygenases with a Ki value of 10.87 mM. This compound is known to enhance ROS production and has been shown to bind to and inhibit ATP synthase, thereby influencing mTOR signaling pathways. Its unique properties make it applicable in various research settings focused on metabolic disorders and oxidative stress.
QD394 is a reactive oxygen species (ROS) inducer that facilitates lipid peroxidation and enhances intracellular ROS accumulation. It has been shown to inhibit STAT3 phosphorylation, leading to the induction of ferroptosis. This compound is primarily utilized in research applications focused on oxidative stress, cellular signaling pathways, and the study of ferroptotic mechanisms.
Synonyms: KH176
Sonlicromanol (KH176) is an orally active reactive oxygen species (ROS) modulator that targets oxidative stress pathways. It exhibits significant biological activity in the context of mitochondrial diseases, making it a valuable tool for research into mitochondrial dysfunction and associated disorders. Its ability to selectively modulate ROS levels facilitates investigations into cellular metabolism and signaling processes.
Synonyms: KH176 hydrochloride
Sonlicromanol hydrochloride is a ROS-redox modulator designed to penetrate the blood-brain barrier. This derivative of Trolox exhibits significant potential in mitigating oxidative stress, making it valuable for the investigation of mitochondrial disorders. Its unique properties facilitate research into therapeutic strategies for various neurodegenerative diseases linked to redox imbalance.
BTA-EG4 is a reactive oxygen species (ROS) inducer that functions as a catalase-amyloid interaction inhibitor. It has been shown to significantly enhance the neurotoxicity of amyloid peptides in neuronal cells with elevated catalase expression. This compound is valuable for research applications focused on neurodegenerative diseases, providing insights into the mechanisms underlying amyloid-related pathology.
NPD926 is a small molecule that acts as a reactive oxygen species (ROS) activator. By depleting intracellular glutathione levels, NPD926 promotes the generation of ROS, which can lead to apoptosis in cancer cells. This compound has potential applications in cancer research, particularly in enhancing the efficacy of Xc- system inhibitors in fibrotic conditions. NPD926 serves as an important tool for investigating ROS-related signaling pathways in cancer biology.
Anticancer agent 15 functions as a Reactive Oxygen Species (ROS) inducer, effectively elevating intracellular ROS levels. Its mechanism results in the induction of necroptosis in melanoma cancer cells, contributing to programmed cell death. This compound is valuable for research in cancer biology, particularly in studies focused on ROS-mediated signaling pathways and therapeutic strategies against melanoma.
ROS-ERS Inducer 2 (Complex 3f) functions primarily by inducing reactive oxygen species (ROS) generation within cells, significantly impacting mitochondrial function. This compound promotes the release of damage-associated molecular patterns (DAMPs), facilitates immunogenic cell death (ICD), and activates endoplasmic reticulum stress (ERS). ROS-ERS Inducer 2 is a valuable tool for research in anti-liver cancer therapies and the exploration of mechanisms underlying cellular stress responses.
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ROS Inducer 3 (Compound I6) primarily functions as a reactive oxygen species (ROS) inducer. It demonstrates significant in vitro bioactivity with an EC50 of 2.86 μg/mL, showcasing robust protective effects against Pseudomonas syringae pv. actinidiae. As a bactericidal agent, ROS Inducer 3 is relevant for studies focused on managing persistent plant bacterial diseases.
ROS Inducer 2 (Compound I16) primarily functions as a reactive oxygen species (ROS) inducer, demonstrating significant in vitro bioactivity with an EC50 of 3.43 μg/mL. This compound exhibits potent bactericidal properties against Xanthomonas axonopodis pv. citri in vivo, making it a valuable tool for research on persistent bacterial diseases in plants. Its ability to induce ROS provides insights into mechanisms of plant disease resistance and potential therapeutic strategies.
Amphimedine is a polycyclic alkaloid derived from the marine sponge Amphimedon sp., classified as a pyridoindole alkaloid. This compound functions as a reactive oxygen species (ROS) inducer, exerting cytotoxic effects that lend it potential as an anticancer agent. Research indicates that amphimedine, alongside its analog neoamphimedine, can induce cellular DNA damage via ROS generation, making it a valuable tool for studies in cancer biology and oxidative stress research.
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Synonyms: CBDP
Cannabidiphorol (CBDP) is a phytocannabinoid that acts as a reactive oxygen species (ROS) activator, enhancing ROS production and stimulating related cellular signaling pathways. This compound has demonstrated the ability to inhibit cell viability in breast cancer cells, making it a valuable tool for research in cancer biology and oxidative stress studies. Its effects on ROS signaling may provide insights into therapeutic strategies targeting oxidative pathways in various diseases.
