Quinoline Alkaloids

SN-38 is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 can bind to RPL15. SN-38 inhibits DNA and RNA synthesis with IC₅₀s of 0.077 and 1.3 μM, respectively. SN-38 is a payload of sacituzumab govitecan (HY -132254).

Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC₅₀ of 679 nM. Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells.

Topotecan Hydrochloride (SKF 104864A Hydrochloride) is a Topoisomerase I inhibitor with potent antineoplastic activities.

Irinotecan hydrochloride ((+)-Irinotecan hydrochloride) is a topoisomerase I inhibitor mainly used to treat colon cancer and rectal cancer.

Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.

Oxonantenine is an isoquinoline alkaloid isolated from the seeds of Nandina domestica that exhibits cytotoxicity against cancer cells. Oxonantenine binds to proteins associated with the MAPK and NF-κB signaling pathways, including JUN, MAPK1, p38, MAPK3, ERK, JNK3, and p65. Oxonantenine is one of the main components of Fangji Huangqi Tang. Oxonantenine can be used in studies related to non-small cell lung cancer and rheumatoid arthritis.

Oxophoebine is a biologically active oxoaporphine alkaloid and also a DNA topoisomerase inhibitor. Oxophoebine acts as a cytotoxic agent against certain cancer cells. Oxophoebine binds to Measles Virus fusion protein, hemagglutinin and phosphoprotein, and interferes with viral entry, replication and particle assembly processes. Oxophoebine exhibits selective toxicity towards yeast mutants with defects in DNA repair and recombination. Oxophoebine can be used in studies related to measles and coronavirus disease 2019 (COVID-19).

Oliveroline is an aporphine alkaloid with anticancer activity and a G₂ DNA damage checkpoint inhibitor. Oliveroline enables cells to escape G₂ phase arrest after DNA damage. Oliveroline can be used in research related to various cancers including non-small cell lung cancer, lung cancer, and fibrosarcoma.

Quinidine (15% dihydroquinidine) is an orally active antiarrhythmic agent. Quinidine (15% dihydroquinidine) reduces the expression level of P-gp, inhibits P-gp-mediated efflux, increases the intracellular accumulation of P-gp substrates, induces PARP cleavage and Caspase-3 activation, and elevates the proportion of Apoptotic cells at the sub-G1 phase. Quinidine (15% dihydroquinidine) exerts sustained block and open-channel block effects on I_K(f). Quinidine (15% dihydroquinidine) alters the urinary metabolic ratio of Amphetamine, modulates the Pentylenetetrazol-induced seizure threshold, and regulates the anticonvulsant effect of Dextromethorphan. Quinidine (15% dihydroquinidine) can be used in studies related to uterine sarcoma and seizures.

Quinine is an orally active alkaloid extracted from cinchona bark, possessing various biological activities including antimalarial, antidengue virus (DENV), and anticancer properties. Quinine is a potassium channel inhibitor that inhibits WT mouse Slo3 (K_Ca5.1) channel currents evoked by voltage pulses to +100 mV with an IC₅₀ of 169 μM.

Kynurenic acid (Standard) is the analytical standard of Kynurenic acid. This product is intended for research and analytical applications. Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.

Aurachin D is an antibiotic. Aurachin D inhibits Gram-positive bacteria and a few funguses. Aurachin D blocks NADH oxidation in beef heart submitochondrial particles.

(S)-10-Hydroxycamptothecin (10-HCPT;10-Hydroxycamptothecin) is a DNA topoisomerase I inhibitor of isolated from the Chinese plant Camptotheca accuminata. (S)-10-Hydroxycamptothecin exhibits a remarkable apoptosis-inducing effect. (S)-10-Hydroxycamptothecin has the potential for hepatoma, gastric carcinoma, colon cancer and leukaemia treatment.

Quinine hydrochloride dihydrate (Qualaquin) is an orally active and can be used in anti-malarial studies. Quinine hydrochloride dihydrate is a potassium channel inhibitor that inhibits WT mouse Slo3 (K_Ca5.1) channel currents evoked by voltage pulses to +100 mV with an IC₅₀ of 169 μM.

Kynurenic acid sodium, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid sodium is also an agonist of GPR35/CXCR8.

Cinchonine is a natural compound present in Cinchona bark with antimalarial, antitumor, anti-inflammatory, anti platelet-aggregation and anti-obesity properties. Cinchonine inhibits cells proliferation and autophagy and induces apoptosis through activation of Caspase-3. Cinchonine activates endoplasmic reticulum stress-induced apoptosis in human liver cancer cells.

Noscapine ((S,R)-Noscapine) is an orally active phthalideisoquinoline alkaloid with potent antitussive. Noscapine exerts its antitussive effects by activating sigma opioid receptors and is a non-competitive Bradykinin inhibitor. Noscapine disrupts microtubule dynamics, induces mitotic arrest and apoptosis. Noscapine possesses anticancer, neuroprotective, anti-inflammatory activities, and can cross the blood-brain barrier.

SN-38 (Standard) is the analytical standard of SN-38. This product is intended for research and analytical applications. SN-38 is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively. SN-38 is a payload of sacituzumab govitecan (HY -132254).

Hydroquinidine (Dihydroquinidine) is a potent ion channel blocker, which exhibits strong anti-cancer activity on colon, pancreatic, and hepatocellular cancer cells. Hydroquinidine prolongs the QT interval and has antiarrhythmic efficacy.

Ethoxysanguinarine is a benzophenanthridine alkaloid natural product that is mainly found in Macleaya cordata. Ethoxysanguinarine is an inhibitor of protein phosphatase 2A (CIP2A). Ethoxysanguinarine induces cell apoptosis and inhibits colorectal cancer cells growth.