Tidiacic

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Tidiacic
Tidiacic.png
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Chemical and physical data
Formula C5H7NO4S
Molar mass 177.17 g·mol−1
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Tidiacic arginine
Combination of
Tidiacic hepatoprotective
Arginine amino acid
Clinical data
Trade names Tiadilon
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Tidiacic is a hepatoprotective drug. It is a component of tidiacic arginine.

Tidiacic arginine (trade name Tiadilon) is a 1:1 combination of the amino acid arginine and tidiacic (thiazolidine-2,4-dicarboxylic acid), which acts as a sulfur donor.

In France, its indications and use have been described as "identical to those of silymarin". [1]

Related Research Articles

The urea cycle (also known as the ornithine cycle) is a cycle of biochemical reactions that produces urea (NH2)2CO from ammonia (NH3). This cycle occurs in ureotelic organisms. The urea cycle converts highly toxic ammonia to urea for excretion. This cycle was the first metabolic cycle to be discovered (Hans Krebs and Kurt Henseleit, 1932), five years before the discovery of the TCA cycle. This cycle was described in more detail later on by Ratner and Cohen. The urea cycle takes place primarily in the liver and, to a lesser extent, in the kidneys.

Arginine Amino acid

Arginine, also known as l-arginine (symbol Arg or R), is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group, an α-carboxylic acid group, and a side chain consisting of a 3-carbon aliphatic straight chain ending in a guanidino group. At physiological pH, the carboxylic acid is deprotonated (−COO), the amino group is protonated (−NH3+), and the guanidino group is also protonated to give the guanidinium form (-C-(NH2)2+), making arginine a charged, aliphatic amino acid. It is the precursor for the biosynthesis of nitric oxide. It is encoded by the codons CGU, CGC, CGA, CGG, AGA, and AGG.

Ornithine chemical compound

Ornithine is a non-proteinogenic amino acid that plays a role in the urea cycle. Ornithine is abnormally accumulated in the body in ornithine transcarbamylase deficiency. The radical is ornithyl.

Citrulline chemical compound

The organic compound citrulline is an α-amino acid. Its name is derived from "citrullus", the Latin word for watermelon, from which it was first isolated in 1914 by Koga and Odake. It was finally identified by Wada in 1930. It has the formula H2NC(O)NH(CH2)3CH(NH2)CO2H. It is a key intermediate in the urea cycle, the pathway by which mammals excrete ammonia by converting it into urea. Citrulline is also produced as a byproduct of the enzymatic production of nitric oxide from the amino acid arginine, catalyzed by nitric oxide synthase.

Vasopressin mammalian protein found in Homo sapiens

Vasopressin, also called antidiuretic hormone (ADH), arginine vasopressin (AVP) or argipressin, is a hormone synthesized as a peptide prohormone in neurons in the hypothalamus, and is converted to AVP. It then travels down the axon of that cell, which terminates in the posterior pituitary, and is released from vesicles into the circulation in response to extracellular fluid hypertonicity (hyperosmolality). AVP has two primary functions. First, it increases the amount of solute-free water reabsorbed back into the circulation from the filtrate in the kidney tubules of the nephrons. Second, AVP constricts arterioles, which increases peripheral vascular resistance and raises arterial blood pressure.

Ornithine transcarbamylase mammalian protein found in Homo sapiens

Ornithine transcarbamylase (OTC) is an enzyme that catalyzes the reaction between carbamoyl phosphate (CP) and ornithine (Orn) to form citrulline (Cit) and phosphate (Pi). There are two classes of OTC anabolic and catabolic. This article focuses on anabolic OTC. Anabolic OTC facilitates the sixth step in the biosynthesis of the amino acid arginine in prokaryotes. In contrast, mammalian OTC plays an essential role in the urea cycle whose purpose is to capture toxic ammonia and transform it into less toxic urea nitrogen source for excretion.

ATC code A05Bile and liver therapy is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products. Subgroup A05 is part of the anatomical group A Alimentary tract and metabolism.

Clavulanic acid chemical compound

Clavulanic acid is a β-lactam drug that functions as a mechanism-based β-lactamase inhibitor. While not effective by itself as an antibiotic, when combined with penicillin-group antibiotics, it can overcome antibiotic resistance in bacteria that secrete β-lactamase, which otherwise inactivates most penicillins.

Guanidine is the compound with the formula HNC(NH2)2. It is a colourless solid that dissolves in polar solvents. It is a strong base that is used in the production of plastics and explosives. It is found in urine as a normal product of protein metabolism. A guanidine moiety also appears in larger organic molecules, including on the side chain of arginine.

Argininosuccinate synthase InterPro Family

Argininosuccinate synthase or synthetase is an enzyme that catalyzes the synthesis of argininosuccinate from citrulline and aspartate. In humans, argininosuccinate synthase is encoded by the ASS gene located on chromosome 9.

Canavanine chemical compound

L-(+)-(S)-Canavanine is a non-proteinogenic amino acid found in certain leguminous plants. It is structurally related to the proteinogenic α-amino acid L-arginine, the sole difference being the replacement of a methylene bridge in arginine with an oxa group in canavanine. Canavanine is accumulated primarily in the seeds of the organisms which produce it, where it serves both as a highly deleterious defensive compound against herbivores and a vital source of nitrogen for the growing embryo. The mechanism of canavanine's toxicity is that organisms that consume it typically mistakenly incorporate it into their own proteins in place of L-arginine, thereby producing structurally aberrant proteins that may not function properly. The toxicity of canavanine may be enhanced under conditions of protein starvation, and canavanine toxicity resulting from consumption of Hedysarum alpinum seeds, which contain quantities of canavanine around 1%, has been implicated in the death of Christopher McCandless..

Vasopressin receptor 1B protein-coding gene in the species Homo sapiens

Vasopressin V1b receptor (V1BR) also known as vasopressin 3 receptor (VPR3) or antidiuretic hormone receptor 1B is a protein that in humans is encoded by the AVPR1B gene.

Asymmetric dimethylarginine chemical compound

Asymmetric dimethylarginine (ADMA) is a naturally occurring chemical found in blood plasma. It is a metabolic by-product of continual protein modification processes in the cytoplasm of all human cells. It is closely related to L-arginine, a conditionally essential amino acid. ADMA interferes with L-arginine in the production of nitric oxide (NO), a key chemical involved in normal endothelial function and, by extension, cardiovascular health.

Citrullination Biological process

Citrullination or deimination is the conversion of the amino acid arginine in a protein into the amino acid citrulline. Citrulline is not one of the 20 standard amino acids encoded by DNA in the genetic code. Instead, it is the result of a post-translational modification. Citrullination is distinct from the formation of the free amino acid citrulline as part of the urea cycle or as a byproduct of enzymes of the nitric oxide synthase family.

Carboxypeptidase B is a carboxypeptidase that preferentially acts upon basic amino acids, such as arginine and lysine. This serum enzyme is also responsible for rapidly metabolizing the C5a protein into C5a des-Arg, with one less amino acid.

1-Pyrroline-5-carboxylic acid group of stereoisomers

1-Pyrroline-5-carboxylic acid is a cyclic imino acid. Its conjugate base and anion is 1-pyrroline-5-carboxylate (P5C). In solution, P5C is in spontaneous equilibrium with glutamate-5-semialdhyde (GSA). The stereoisomer (S)-1-pyrroline-5-carboxylate is an intermediate metabolite in the biosynthesis and degradation of proline and arginine.

Arginine decarboxylase class of enzymes

Acid-Induced Arginine Decarboxylase (AdiA), also commonly referred to as arginine decarboxylase, is an enzyme responsible for catalyzing the conversion of L-arginine into agmatine and carbon dioxide. The process consumes a proton in the decarboxylation and employs a pyridoxal-5'-phosphate (PLP) cofactor, similar to other enzymes involved in amino acid metabolism, such as ornithine decarboxylase and glutamine decarboxylase. It is found in bacteria and virus, though most research has so far focused on forms of the enzyme in bacteria. During the AdiA catalyzed decarboxylation of arginine, the necessary proton is consumed from the cell cytoplasm which helps to prevent the over-accumulation of protons inside the cell and serves to increase the intracellular pH. Arginine decarboxylase is part of an enzymatic system in Escherichia coli, Salmonella Typhimurium, and methane-producing bacteria Methanococcus jannaschii that makes these organisms acid resistant and allows them to survive under highly acidic medium.

Ortek Therapeutics, Inc. is a private healthcare company based in Roslyn Heights, New York which specializes in researching and commercializing oral care products. It was founded in 1998.

Difemetorex chemical compound

Difemetorex, also known as diphemethoxidine, is a stimulant drug of the piperidine class which was used as an appetite suppressant, but produced intolerable side effects such as insomnia which limited its clinical use. It was introduced in France by Ciba-Geigy in 1966 but is now no longer marketed.

BIA 10-2474 chemical compound

BIA 10-2474 is an experimental fatty acid amide hydrolase inhibitor developed by the Portuguese pharmaceutical company Bial-Portela & Ca. SA. It interacts with the human endocannabinoid system. The drug was in development for the treatment of a range of different medical conditions from anxiety disorder to Parkinson's disease, also for the treatment of chronic pain of multiple sclerosis, cancer, hypertension or the treatment of obesity. A clinical trial with this drug was underway in Rennes, France, in January 2016, in which serious adverse events occurred affecting five participants, including the death of one man. The underlying mechanism that caused the acute neurotoxicity of this molecule remains unknown.

References

  1. Laure P, Bislinger C (2003). "Les produits détournés: A05. Médicaments hépatobiliaires". Les médicaments détournés (in French). Elsevier Masson. p. 169. ISBN   978-2-294-00859-7. Retrieved on January 6, 2009 through Google Book Search.

Further reading