Acides aminés (AA)

Z-NHNH2·HCl is an amide containing a tetrapeptide. It has been used as a diagnostic agent for the detection of caerulein, a peptide that is produced by the pancreas in response to the presence of cholecystokinin (CCK). The monomers were prepared by reacting azide with benzyl chloroacetanilides and then cyclizing the product with triethylene glycol. The soybean extract was hydrolyzed with HCl to produce Z-NHNH2·HCl.

Angiotensin I/II (3-7) H-Val-Tyr-Ile-His-Pro-OH is an antagonist of the angiotensin II receptor. It has been shown to be a cognitive enhancer by statistically improving treatments for behavioural problems in rats and mice. Angiotensin I/II (3-7) H-Val-Tyr-Ile-His-Pro-OH has also been shown to inhibit nicotinic acetylcholine receptors, which are involved in mediating the effects of neurotransmitters on muscle cells. This agent also inhibits angiotensin II receptors, leading to vasodilation and reduced blood pressure. The mechanism of action is not yet clear but may involve inhibition of protein kinase C. In preclinical studies, it has been shown that this drug facilitates behavioural effects such as memory retention and motor performance in rats when given before treatment with peptides such as substance P or calcitonin gene related pept

Z-Leu-Leu-Nle (ZLL) is a small molecule that selectively inhibits the activity of the aspartyl protease, BACE1, which is an enzyme that cleaves amyloid precursor protein (APP) to produce amyloid beta peptides. The inhibition of this enzyme has been shown to be effective in preventing or delaying the onset of Alzheimer's disease. ZLL also inhibits estrogen receptor alpha and has antiestrogenic effects in breast cancer cells. This compound induces apoptosis by binding to apoptotic proteins, such as tumor necrosis factor receptor 1, Fas ligand, and TRAIL receptors. It also inhibits cell growth and induces chemoresistance in breast cancer cells.

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Fmoc-Cys(NPys)-OH is a disulfide with a cyclic structure that can be used in the synthesis of peptides. It reacts efficiently with thiols to form stable, covalent bonds and can be used as an efficient ligation reagent for cyclic peptides. Fmoc-Cys(NPys)-OH is also useful for the synthesis of biomolecules because it has a systematic nature and does not react with other reactive groups on the molecule. It has been shown to have high reactivity towards oxytocin, which is important for its function in triggering labor contractions.

Endogenous heptapetide which causes vasodilation and has anti-hypertensive properties.

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Bosentan is a potent inhibitor of the uptake of organic anions. It is used in the treatment of pulmonary arterial hypertension and has been shown to be effective against pravastatin-resistant HIV protease inhibitors, such as saquinavir, quinidine, and rosuvastatin. Bosentan inhibits uptake by binding to the transporter protein at a site that does not overlap with the binding site for organic anion substrates. This leads to a change in kinetic parameters for substrates, such as pravastatin and saquinavir. The binding site on bosentan may also be elucidated through monolayer experiments with efflux transporters.

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8-Phenyltheophylline (8PT) is an adenosine receptor agonist that is used as a bronchodilator for the treatment of asthma. It has been shown to increase the intracellular calcium concentration in hl-60 cells and in rat papillary muscles. 8PT also has locomotor activating effects, which are thought to be due to its ability to block potassium channels in the hippocampal formation. These effects may be related to ATP-sensitive potassium channels, which have been shown to be sensitive to ATP in untreated mice. 8PT also has anti-arrhythmic properties, which may be due to its ability to inhibit sodium channels and its effect on heart rate and contractility.

(Des-Gly10, tBu-D-Gly6,Pro-NHEt 9)-LHRH acetate salt Pyr-His-Trp-Ser-Tyr-tBu-D-Gly-Leu-Arg-Pro-NHEt acetate salt is a synthetic hormone that belongs to the group of gonadotropin releasing hormones (GnRH). It is used in veterinary medicine to stimulate ovulation and follicular growth in animals. (Des-Gly10, tBu-D-Gly6, Pro -NHEt9)-LHRH acetate salt Pyr -His -Trp -Ser -Tyr -tBu -D -Gly -Leu -Arg -Pro NHEt acetate salt is a prodrug that is hydrolyzed in vivo to buserelin, its active form. This drug has been shown to be effective against estradiol benzoate and sodium salts

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5-[(1-Methylindole-3-yl)carbonyl]-4,5,6,7-tetrahydro-1H-bezimidazole is a reactive heterocyclic compound. It is a carboxylic acid and an amide with a peptic and cephalalgic effect. The symptoms of 5-[(1-methylindole-3-yl)carbonyl]-4,5,6,7-tetrahydro-1H-bezimidazole are hemicrania and amnesia. It has been expressed in the calf thymus DNA.