Açúcares e Nucleobases da Espinha Dorsal

<p>5-Ethyluracil is a nucleobase that is structurally similar to thymine. It inhibits the replication of human mitochondrial DNA and herpes simplex virus type-1 (HSV-1) by binding with the viral nucleic acid. 5-Ethyluracil has been shown to be an effective antiviral agent in clinical trials, where it was found to inhibit the replication of HSV-1 in both HIV-positive and HIV-negative patients. 5-Ethyluracil has also been shown to have an inhibitory effect on mammalian cells and has been used for treatment of certain types of cancer. This drug's low energy makes it useful as a topical analgesic. The glycosidic bond makes this drug water soluble, which allows for its use as an antiseptic or disinfectant. 5-Ethyluracil is metabolized by hydrochloric acid, which produces urate, ammonia, and carbon dioxide. This drug can be</p>

<p>2-Thioxanthine is a hydrated form of xanthine, which is a purine base that occurs in all living cells. This compound has been shown to be able to inhibit the growth of resistant mutants and the formation of atherosclerotic lesions in mice. 2-Thioxanthine also inhibits the transfer reactions that are required for bacterial DNA synthesis. The stability of 2-thioxanthine can be increased by forming stable complexes with hydrochloric acid and by reducing the pH to less than 7. 2-Thioxanthine has been shown to have genotoxic effects on mouse liver cells and human fibroblasts, as well as pharmacological properties against cardiovascular disease.</p>

<p>2,6-Diaminopurine hemisulfate salt is a fine chemical that can be used as a building block for research chemicals, reagents, and specialty chemicals. It has been shown to be useful in the synthesis of various types of complex compounds. 2,6-Diaminopurine hemisulfate salt is also versatile in the sense that it can be used as an intermediate in reactions or as a scaffold for chemical synthesis. This product has CAS number 69369-16-0.</p>

<p>5,6-Diamino-1,3-dipropyluracil (DAU) is a synthetic drug that acts as an adenosine receptor antagonist. DAU binds to the adenosine receptors in the brain and inhibits the binding of adenosine, which may result in an anti-congestive effect. DAU has been found to be a potent inhibitor of the A2A adenosine receptor at nanomolar concentrations. This inhibition may be due to its ability to form covalent bonds with the receptor or its affinity for or blocking of agonist binding sites on the receptor. It also has been shown to have affinity for dopamine receptors, although it is not yet known if this activity contributes to its anti-congestive effects.</p>

<p>A non-specific inhibitor of cAMP and cGMP phosphodiesterases (PDEs) with IC50 values between 2 and 50 µM. 2-isobutyl-1-methylxanthine (IBMX) has also been found to inhibit phenylephrine-induced 5-HT release by neuroendocrine epithelial cells and IBMX-mediated increase in cAMP and upregulation of Ca2+ channels promotes neuronal differentiation. Additionally IBMX stimulates secretion of thyroid hormones, resulting in cAMP-mediated activation of glycogenolysis and reduced glycogen storage.</p>

<p>Hypoxanthine is a nucleotide, which is a building block of DNA and RNA. It is a useful intermediate for the production of other chemicals and drugs. Hypoxanthine can be used as a reagent in biochemical research, to study the effects of hypoxia on cells, or as a catalyst in organic synthesis. Hypoxanthine monosodium salt is an important building block for complex compounds with many uses. It is also used as a reaction component in many chemical reactions as well as being a versatile scaffold for drug design.</p>

<p>Bis(trimethylsilyl)cytosine is an immunosuppressive agent that binds to the immunodeficient acceptor. It has been shown to be active against a number of viruses, including HIV-1 and HSV-1. Bis(trimethylsilyl)cytosine also inhibits the activity of purine and pyrimidine nucleotide synthesis, although it does not inhibit the activity of adenosine deaminase or ribonucleotide reductase. This compound has been shown to stimulate the immune system in mice with a deficiency in T cells by reducing the expression of genes that are responsible for cytokines such as IL-4 and IL-10.</p>

<p>O6-alkylguanine-DNA alkyltransferase inhibitor</p>

<p>6-Amino-1-benzyluracil is a triethyl orthoformate that reacts with an aldehyde to form an imine. This reaction is known as alkylation. The imine reacts with benzamidine to form an anticancer drug called lumazine, which has been shown to be effective against cancer cells. 6-Amino-1-benzyluracil had low solubility in water and was therefore refluxed with ethyl acetoacetate and elemental acetoacetate. 6-Amino-1-benzyluracil is insoluble in the organic phase and can be removed by filtration.</p>

<p>7-Methylxanthine is a purine alkaloid that is the primary metabolite of caffeine. It is structurally related to theobromine, which is found in chocolate. 7-Methylxanthine has been shown to have hypoglycemic effects and may be useful for the treatment of myopia. The optimum concentration of 7-methylxanthine for inhibiting carotenoid biosynthesis has been determined as 10 μM. It also inhibits axial elongation in cultured chick retinal cells by reducing carotenoid levels and increasing p-hydroxybenzoic acid levels in the retina. The analytical method for quantifying 7-methylxanthine relies on high performance liquid chromatography with ultraviolet detection (HPLC/UV).</p>

<p>1,3-Dimethyluracil is a uracil derivative that is used as a hydrogen-bond donor, which helps to repair DNA. It has been shown to have a kinetic isotope effect in the deuterium isotope effect studies. The carbonyl group of 1,3-dimethyluracil can form hydrogen bonds with the guanine base in DNA and lead to the formation of an adduct. This adduct can be repaired by nucleotide excision repair when it forms a dimer with another 1,3-dimethyluracol molecule or by base excision repair when it forms a dimer with another purine or pyrimidine base.<br>Aqueous solutions of 1,3-dimethyluracil are stable for short periods of time but decompose rapidly on heating. X-ray crystal structures show that 1,3-dimethyluracil binds to hydrochloric acid and x-ray crystallographic analysis</p>

<p>2-Fluoroadenine is an inhibitor of DNA synthesis, which is used to study the effect of carcinogens on the cell cycle. It is a potent inducer of G2/M arrest in HL-60 cells, and has been shown to be cytotoxic to a number of different carcinoma cell lines. 2-Fluoroadenine disrupts collagen gel networks by binding to nitrogens in the protein matrix. This inhibits the glycosylation process that stabilizes collagen networks. The use of 2-fluoroadenine as a chemotherapeutic agent has been studied in animal models and clinical trials. 2-Fluoroadenine has been shown to inhibit mitochondrial membrane potential, leading to apoptosis caused by oxidative stress.</p>

<p>5,6-Diamino-1,3-dimethyl uracil hydrate is a purine derivative that inhibits the growth of cancer cells by blocking the enzyme ribonucleotide reductase. This leads to a decrease in DNA synthesis, protein synthesis, and cell division. The anticancer activity of 5,6-Diamino-1,3-dimethyl uracil hydrate is due to its ability to inhibit the formation of ATP and the GTP cycle. It also has a potent inhibitory effect on the structural analysis of DNA and RNA. 5,6-Diamino-1,3-dimethyl uracil hydrate has been shown to produce apoptotic effects in many types of cancer cells. This drug also has specific agonist properties for G protein coupled receptors that are responsible for activating apoptosis.</p>

<p>8-Hydroxyadenine is a reactive molecule that is used in the treatment of HIV infection. It is an inhibitor of reverse transcriptase and has been used to protect DNA against radiation damage. 8-Hydroxyadenine has been shown to induce a number of genotoxic effects, including neuronal death. 8-Hydroxyadenine can also be used as a DNA probe for the detection of HIV, with the advantage over other probes of having a high specificity for its target sequence.</p>

<p>9-Ethylguanine is a protonated guanine derivative that has significant cytotoxicity. It is an analog of the natural nucleobase guanosine and is structurally similar to the group P2 purine base, hypoxanthine. 9-Ethylguanine specifically binds with nitrogen atoms in DNA, forming hydrogen bonds with adjacent bases. The compound has low potency and therefore must be administered at high doses for it to be effective. 9-Ethylguanine has been shown to have anticancer activity against cervical cancer cells in cell cultures, but no biological studies have been conducted on other cancer types.</p>

<p>Please enquire for more information about 3’,5’-Di-O-acetyl-2’-azido-2’-deoxy-5-methyluridine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3,7-Dimethyl-1-propargylxanthine is a cyclase inhibitor that has been shown to have pharmacological effects. It has been shown to be effective in vivo models of Parkinson's disease and has reduced locomotor activity. This drug also inhibits the production of adenosine and dopamine, leading to neuronal death. The 3,7-dimethyl-1-propargylxanthine shows high selectivity for adenosine A3 receptors and is an antagonist at these receptors. It prevents mitochondrial membrane potential from decreasing, which may be due to inhibition of the production of reactive oxygen species by mitochondria. 3,7-Dimethyl-1-propargylxanthine also inhibits platelet aggregation by blocking the activation of phospholipase C and enhances platelet aggregation by inhibiting phosphodiesterase activity.</p>

<p>8-Hydroxyguanine is a purine derivative that is found in DNA. It is a byproduct of oxidative damage to DNA and can cause mutations. 8-Hydroxyguanine binds to the α1 subunit of DNA polymerase, inhibiting the polymerization of nucleotides. This prevents the synthesis of new DNA, resulting in cell death. In humans, 8-hydroxyguanine appears to be repaired at a higher rate than other organisms such as bacteria. A study has shown that human cells are able to repair 8-hydroxyguanine by using an enzyme called O6-alkylguanine transferase (AGT). The AGT protein removes the alkyl group from the guanine base and replaces it with an amino group during repair. This process results in the formation of O6-methylguanine, which can be eliminated by methylation or excreted through urine.</p>

<p>2’-C-Methyl-5-fluorouridine is a fine chemical that is used as a versatile building block for the synthesis of various complex compounds. It is also used as a reaction component in the synthesis of research chemicals and speciality chemicals. 2’-C-Methyl-5-fluorouridine is an important intermediate in organic chemistry and has many applications, such as being a reaction component in the synthesis of pharmaceuticals, agrochemicals, dyes, and perfumes.</p>

<p>9-[2-(Diethylphosphonomethoxy)ethyl]adenine is a synthetic analog of adenine that is used as a pharmaceutical agent. It is an antiviral drug that prevents the synthesis of DNA and RNA in viruses, including papillomavirus, paramyxovirus, and filtration. 9-[2-(Diethylphosphonomethoxy)ethyl]adenine is also used to treat bromic conjugates and modifications. The chemical formula for this compound is C14H14N4O2P.</p>