PathWhiz ID | Pathway | Meta Data |
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PW000429View Pathway |
drug action
Thioguanine Action Pathway (old)Homo sapiens
Thioguanine is a purine antimetabolite prodrug closely related to mercaptopurine and similarly inhibits purine metabolism. The thioguanine pathway is shown as a part of the mercaptopurine pathway. Thioguanine exerts cytotoxic effects via incorporation of thiodeoxyguanosine triphosphate into DNA and thioguanosine triphosphate into RNA and inhibition of Ras-related C3 botulinum toxin substrate 1, which induces apoptosis of activated T cells. Once in a cell, thioguanine is converted to thioguanosine monophosphate by hypoxanthine-guanine phosphoribosyltransferase. Thioguanosine monophosphate is then phosphorylated to thioguanosine diphosphate, which is converted via a thiodeoxyguanosine diphosphate intermediate to thiodeoxyguanosine triphosphate. Thiodeoxyguanosine triphosphate is incorporated into DNA causing cytotoxicity. Thioguanosine diphosphate is also converted to thioguanosine triphosphate which is incorporated into RNA. The thioguanosine triphosphate metabolite also inhibits Ras-related C3 botulinum toxin substrate 1, a plasma membrane-associated small GTPase that regulates cellular processes, inducing apoptosis in activated T cells.
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Creator: WishartLab Created On: August 22, 2013 at 10:46 Last Updated: August 22, 2013 at 10:46 |
PW146984View Pathway |
Thioguanine Drug Metabolism PathwayHomo sapiens
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Creator: Ray Kruger Created On: October 10, 2023 at 13:35 Last Updated: October 10, 2023 at 13:35 |
PW000623View Pathway |
Thioguanine Metabolism Pathway (old)Homo sapiens
Thioguanine is a purine antimetabolite prodrug closely related to mercaptopurine and similarly inhibits purine metabolism. The thioguanine pathway is shown as a part of the mercaptopurine pathway. Thioguanine exerts cytotoxic effects via incorporation of thiodeoxyguanosine triphosphate into DNA and thioguanosine triphosphate into RNA and inhibition of Ras-related C3 botulinum toxin substrate 1, which induces apoptosis of activated T cells. Once in a cell, thioguanine is converted to thioguanosine monophosphate by hypoxanthine-guanine phosphoribosyltransferase. Thioguanosine monophosphate is then phosphorylated to thioguanosine diphosphate, which is converted via a thiodeoxyguanosine diphosphate intermediate to thiodeoxyguanosine triphosphate. Thiodeoxyguanosine triphosphate is incorporated into DNA causing cytotoxicity. Thioguanosine diphosphate is also converted to thioguanosine triphosphate which is incorporated into RNA. The thioguanosine triphosphate metabolite also inhibits Ras-related C3 botulinum toxin substrate 1, a plasma membrane-associated small GTPase that regulates cellular processes, inducing apoptosis in activated T cells.
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Creator: WishartLab Created On: September 18, 2013 at 09:42 Last Updated: September 18, 2013 at 09:42 |
PW146796View Pathway |
drug action
Thiohexam Drug Metabolism Action PathwayHomo sapiens
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Creator: Ray Kruger Created On: October 07, 2023 at 19:03 Last Updated: October 07, 2023 at 19:03 |
PW176357View Pathway |
Thiohexam Predicted Metabolism PathwayHomo sapiens
Metabolites of sildenafil are predicted with biotransformer.
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Creator: Omolola Created On: December 07, 2023 at 15:30 Last Updated: December 07, 2023 at 15:30 |
PW128417View Pathway |
drug action
Thiopental Action PathwayHomo sapiens
Thiopental is a barbiturate utilized for inducing general anesthesia, managing convulsions, and reducing intracranial pressure. Administered intravenously, this barbiturate is employed to induce general anesthesia promptly, achieve temporary complete anesthesia, induce hypnosis, and control convulsive conditions. Notably, it has been employed in neurosurgical contexts to alleviate elevated intracranial pressure. Although it lacks excitatory effects, its analgesic and muscle relaxant properties are limited. It has been shown that low doses can counteract analgesia and lower the pain threshold. Thiopental finds application as the sole anesthetic for brief procedures, as an induction agent preceding other anesthetics, to supplement regional anesthesia, to provide hypnosis alongside other agents for analgesia or muscle relaxation, for managing convulsions during inhalation or local anesthesia, in neurosurgical cases with heightened intracranial pressure, and for narcoanalysis and narcosynthesis in psychiatric disorders. Functioning as an ultrashort-acting central nervous system depressant, thiopental induces rapid hypnosis and anesthesia, yet it lacks analgesic properties. Its binding to a specific site linked to a Cl- ionopore at the GABAA receptor extends the opening duration of the ionopore, thereby prolonging GABA's inhibitory effect in the thalamus. This results in prolonged post-synaptic inhibition. The drug's rapid binding to fatty tissues leads to anesthetic accumulation, producing prolonged effects due to gradual drug release.
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Creator: Dorsa Yahya Rayat Created On: August 28, 2023 at 13:07 Last Updated: August 28, 2023 at 13:07 |
PW144715View Pathway |
drug action
Thiopental Drug Metabolism Action PathwayHomo sapiens
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Creator: Ray Kruger Created On: October 07, 2023 at 14:17 Last Updated: October 07, 2023 at 14:17 |
PW146344View Pathway |
drug action
Thioredoxin Drug Metabolism Action PathwayHomo sapiens
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Creator: Ray Kruger Created On: October 07, 2023 at 17:59 Last Updated: October 07, 2023 at 17:59 |
PW123556View Pathway |
Thioredoxin PathwayPseudomonas aeruginosa
Thioredoxins are a class of proteins that are used in redox reactions, and are found in all living organisms. In humans, they respond to reactive oxygen species, while in plants they are important for growth, photosynthesis, flowering and seed formation. In E. coli, thioredoxins catalyze a number of redox reactions, and are important in stress response, as well as other functions. In this pathway, oxidized thioredoxin is reduced by thioredoxin reductase, in order to form reduced thioredoxin. This reaction also uses NADPH as a cofactor. Reduced thioredoxin then, as part of a redox reaction, acts as the oxidizing agent and converts an oxidized electron acceptor into a reduced electron acceptor. This then produces oxidized thioredoxin, which can be further reduced and reused in other redox reactions.
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Creator: Ana Marcu Created On: August 12, 2019 at 22:31 Last Updated: August 12, 2019 at 22:31 |
PW002082View Pathway |
Thioredoxin PathwayEscherichia coli
Thioredoxins are a class of proteins that are used in redox reactions, and are found in all living organisms. In humans, they respond to reactive oxygen species, while in plants they are important for growth, photosynthesis, flowering and seed formation. In E. coli, thioredoxins catalyze a number of redox reactions, and are important in stress response, as well as other functions. In this pathway, oxidized thioredoxin is reduced by thioredoxin reductase, in order to form reduced thioredoxin. This reaction also uses NADPH as a cofactor. Reduced thioredoxin then, as part of a redox reaction, acts as the oxidizing agent and converts an oxidized electron acceptor into a reduced electron acceptor. This then produces oxidized thioredoxin, which can be further reduced and reused in other redox reactions.
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Creator: Ana Marcu Created On: October 13, 2015 at 13:23 Last Updated: October 13, 2015 at 13:23 |