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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Regulation of purine nucleotide metabolism as a pharmacological target
 Brinsa, Vítězslav ; Maloy Řezáčová, Pavlína (advisor) ; Hlouchová, Klára (referee)
Purine nucleotides are essential basic building blocks for DNA and RNA synthesis. They can also serve as energy storage and transfer unit and play an important role in cell signalling and regulation of variety of biochemical processes. It is crucial for the cells to maintain a sufficient supply of purine nucleotides in order to secure its survival and cell division. Level of purine nucleotide pool in the human body is regulated via purine nucleotide metabolism, which consists of three coordinated processes: de novo synthesis pathway, salvage pathway and degradation pathway of purine nucleotides. Regulation of those three pathways is under control of various mechanisms including regulation on the level of enzyme expression, allosteric regulation of enzyme activity or forming a multienzime complexes, i. e. purinosomes in the de novo synthesis pathway. Phosphoribosyl pyrophosphate synthetase I (PRS-I) and cytosolic purine 5'-nucleotidase (cN-II) play an important role in purine nucleotide metabolism. These enzymes contribute significantly to the purine nucleotide pool regulation by means of their allostericaly regulated activity. Malfunctions of their catalytic activity are connected with various pathologies such as gout, hyperuricosuria, neurological dysfunctions and acute lymphoblastic leukaemia...
Detailed record
Regulation of purine nucleotide metabolism as a pharmacological target
 Brinsa, Vítězslav ; Maloy Řezáčová, Pavlína (advisor) ; Hlouchová, Klára (referee)
Purine nucleotides are essential basic building blocks for DNA and RNA synthesis. They can also serve as energy storage and transfer unit and play an important role in cell signalling and regulation of variety of biochemical processes. It is crucial for the cells to maintain a sufficient supply of purine nucleotides in order to secure its survival and cell division. Level of purine nucleotide pool in the human body is regulated via purine nucleotide metabolism, which consists of three coordinated processes: de novo synthesis pathway, salvage pathway and degradation pathway of purine nucleotides. Regulation of those three pathways is under control of various mechanisms including regulation on the level of enzyme expression, allosteric regulation of enzyme activity or forming a multienzime complexes, i. e. purinosomes in the de novo synthesis pathway. Phosphoribosyl pyrophosphate synthetase I (PRS-I) and cytosolic purine 5'-nucleotidase (cN-II) play an important role in purine nucleotide metabolism. These enzymes contribute significantly to the purine nucleotide pool regulation by means of their allostericaly regulated activity. Malfunctions of their catalytic activity are connected with various pathologies such as gout, hyperuricosuria, neurological dysfunctions and acute lymphoblastic leukaemia...
Detailed record

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