cycle

Acacetin (5,7-Dihydroxy-4'-methoxyflavone) is an O-methylated flavone found in various plants, exhibiting antinociceptive, anti-inflammatory, and antioxidant activities in different research models.

Oxaloacetic acid, also known as oxosuccinic acid or oxalacetic acid, is a four-carbon dicarboxylic acid appearing as an intermediate of the citric acid cycle. In vivo, oxaloacetate (the ionized form of oxaloacetic acid) is formed by the oxidation of L-mal

Helichrysetin has mild anti-HIV-1 PR activity. Helichrysetin has great potentials for development as an anticancer agent, it has cytotoxic effect on four selected cancer cell lines, A549, MCF-7, Ca Ski, and HT-29.

Cycleanine has potent antibacterial, antifungal, antiplasmodial, and cytotoxic activities.

Cyclen (1,4,7,10-tetraazacyclododecane) is a macrocycle capable of selectively binding cations that used as a ligand in chemistry for instance with chemicals used in MRI contrast agents.

Tricyclene, a monoterpene identified in various conifers such as Abies, Pinus, Picea, and Tsuga, exhibits notable presence across these species.

Bromocyclen, an insecticide, has been detected in the muscle tissues of rainbow trout from Danish fisheries and in three types of fish (Gudgeon, Crucian carp, and Pike) from the Stör River in northern Germany. Concentrations found range from 0.09 to 1.23 mg kg of fat.

Cyanocobalamin is a cobalt-containing coordination compound generated by intestinal microbes and a natural water-soluble vitamin of the B-complex family that must combine with Intrinsic Factor for absorption by the intestine. Cyanocobalamin is necessary for hematopoiesis, neural metabolism, DNA, and RNA production, and carbohydrate, fat, and protein metabolism. B12 improves iron functions in the metabolic cycle and assists folic acid in choline synthesis. B12 metabolism is interconnected with that of folic acid. Vitamin B12 (Cobalamin) deficiency causes pernicious anemia, megaloblastic anemia, and neurologic lesions.

Cytarabine (Ara-C) is a nucleoside analog, an inhibitor of DNA synthesis (IC50=16 nM). Cytarabine inhibits DNA polymerase and induces cell cycle arrest, autophagy, and apoptosis. Cytarabine has antitumor activity.

NAD+ (β-Nicotinamide Adenine Dinucleotide) is a coenzyme composed of ribosylnicotinamide 5'-diphosphate coupled to adenosine 5'-phosphate by pyrophosphate linkage. It is found widely in nature and is involved in numerous enzymatic reactions in which it serves as an electron carrier by being alternately oxidized (NAD+) and reduced (NADH).

DSPS (Dioctadecanoylphosphatidylserine) is a glycerophospholipid, an important phospholipid membrane component that plays a key role in cell cycle signaling. DSPS can regulate cellular activity and mediate apoptosis. DSPS is widely used as a nutritional supplement.

Vitamin K2 (Menatetrenone) is a menaquinone compound and form of vitamin K2 with potential antineoplastic activity. Menatetrenone may act by modulating the signaling of certain tyrosine kinases, thereby affecting several transcription factors including c-myc and c-fos. This agent inhibits tumor cell growth by inducing apoptosis and cell cycle arrest.

(S)-10-Hydroxycamptothecin (10-HCPT) is a DNA topoisomerase I inhibitor used as a clinical therapeutic agent against hepatoma.

2-Amino-5-ureidopentanoic acid (Citrulline) exists in the liver, is not a protein component, is an important intermediate in the human urea cycle, can be combined with ornithine, arginine to treat hyperammonemia.

L-Ornithine hydrochloride ((S)-2,5-Diaminopentanoic acid) has an antifatigue effect by increasing the efficiency of energy consumption and promoting the excretion of ammonia. It is one of the key reactants in the urea cycle.

Lawsone methyl ether (2-Methoxy-1,4-naphthoquinone) induces apoptosis in A549 cells independently of cell cycle arrest, mediated by JNK and p38 MAPK signaling pathways. These pathways are activated due to oxidative DNA damage from increased ROS generation in MNQ-treated A549 cells.

Perillyl Alcohol is a naturally occurring monoterpene related to limonene with antineoplastic activity. Perillyl alcohol (Isocarveol) inhibits farnesyl transferase and geranylgeranyl transferase, thereby preventing post-translational protein farnesylation and isoprenylation and activation of oncoproteins such as p21-ras, and arresting tumor cells in the G1 phase of the cell cycle.

trans-Nerolidol is a sesquiterpene alcohol isolated from the above-ground parts of the Saharan Valerian plant with antifungal activity. trans-Nerolidol inhibits cell proliferation in a dose-dependent manner, and induces cell cycle arrest in the G1 phase.

D-Fructose-1,6-bisphosphate sodium salt hydrate is the intermediate in carbohydrate metabolism, including glycolysis and gluconeogenesis. During glycolysis, it is produced by phosphorylation of fructose-6-phosphate by phosphofructokinase. The reverse reaction mediated by fructose-1, 6-diphosphatase-1 is one of the rate-limiting steps of gluconeogenesis. The same reaction occurs in the chloroplasts of plants, D-Fructose-1,6-bisphosphate sodium salt hydrate as part of the reducing pentose phosphate cycle. Since cancer cells use glycolysis as a primary source of metabolic energy production, this pathway has become a major target for cancer chemotherapy.

Ginsenoside C-K (Ginsenoside K) is a bacterial metabolite of G-Rb1 exhibiting anti-inflammatory effects by reducing iNOS and COX-2.

4-Acetamidobutanoic acid (4-ACETAMIDOBUTYRIC ACID) can be found in blood, feces, and urine, as well as in human prostate tissue. 4-Acetamidobutanoic acid exists in all eukaryotes, ranging from yeast to humans. 4-Acetamidobutanoic acid is a GABA derivative, a product of the urea cycle and the metabolism of amino groups, and the product of NAD-linked aldehyde dehydrogenase (EC 1.2.1.3) (KEGG).

(S)-Malic acid ((S)-2-Hydroxysuccinic acid) is a tart-tasting organic dicarboxylic acid found in many sour foods, such as apples, and contributes to the sourness of green apples and tartness of wine, although its concentration decreases with fruit ripeness (wikipedia). In its ionized form, it is called malate, an intermediate in the TCA cycle alongside fumarate, and can be formed from pyruvate through anaplerotic reactions. In humans, malic acid is derived from food sources and synthesized in the body via the citric acid cycle in mitochondria, playing a crucial role in energy production under both aerobic and anaerobic conditions. Under aerobic conditions, malate is oxidized to oxaloacetate, providing reducing equivalents via the malate-aspartate redox shuttle, while during anaerobic conditions, its simultaneous reduction to succinate and oxidation to oxaloacetate removes excess reducing equivalents, reversing hypoxia's inhibition of glycolysis and energy production. Studies on rats have shown that tissue malate depletes following exhaustive physical activity, suggesting that malic acid deficiency may cause physical exhaustion. Administering malic acid to rats has been shown to elevate mitochondrial malate, increasing mitochondrial respiration and energy production.

2,2-Dihydroxyacetic acid (Formylformic acid) is an intermediate in the glyoxalate cycle, which enables certain organisms to convert fatty acids to carbohydrates.2,2-Dihydroxyacetic acid has been found to be associated with primary hyperoxaluria, an inborn error of metabolism. As an aldehyde, glyoxalate is also highly active and can modify proteins to form advanced glycosylation products (AGEs).

2-Ketoglutaric acid Sodium (AKG) is a key molecule in the TCA cycle. It can be produced from glutamate by oxidative deamination via glutamate dehydrogenase and as a product of pyridoxal phosphate-dependent transamination reactions (mediated by branched-chain amino acid transaminases) in which glutamate is a common amino donor.