SMP0000721
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3-Phosphoglycerate Dehydrogenase Deficiency
3-Phosphoglycerate dehydrogenase deficiency is a disorder of L-serine biosynthesis that is characterized by congenital microcephaly, psychomotor retardation, and seizures.The disorder is caused by homozygous or compound heterozygous or homozygous mutation in the gene encoding phosphoglycerate dehydrogenase on chromosome 1p12. Defects in the gene lead to a decrease of Glycine and Serine.
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SMP0125581
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3-Phosphoglycerate Dehydrogenase Deficiency
3-Phosphoglycerate dehydrogenase deficiency is a disorder of L-serine biosynthesis that is characterized by congenital microcephaly, psychomotor retardation, and seizures.The disorder is caused by homozygous or compound heterozygous or homozygous mutation in the gene encoding phosphoglycerate dehydrogenase on chromosome 1p12. Defects in the gene lead to a decrease of Glycine and Serine.
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SMP0125012
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3-Methylthiofentanyl Opioid Agonist Action Pathway
3-Methyl-thiofentanyl is a fentanyl analog and an opioid analgesic that works by inducing central nervous system (CNS) depression. 3-Methylthiofentanyl binds to the mu, delta, and kappa opioid receptors. These ultimately lead to decreased pain sensation as well as a number of side effects, such as euphoria, sedation, depressed breathing.
In neurons, 3-methyl-thiofentanyl binds to mu opioid receptors, stimulating the exchange of GTP for GDP on the G-protein complex. As the effector system is adenylate cyclase and cAMP located at the inner surface of the plasma membrane, opioids decrease intracellular cAMP by inhibiting adenylate cyclase. Subsequently, the release of nociceptive neurotransmitters such as GABA is inhibited. Opioids close N-type voltage-operated calcium channels (OP2-receptor agonist) and open calcium-dependent inwardly rectifying potassium channels (OP3 and OP1 receptor agonist). This results in hyperpolarization and reduced neuronal excitability. 3-Methyl-thiofentanyl acts at A delta and C pain fibres in the dorsal horn of the spinal cord. By decreasing neurotransmitter action there is less pain transmittance into the spinal cord. This leads to less pain perception.
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Drug Action
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SMP0000679
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3-Methylthiofentanyl Action Pathway
Methadyl Acetate (also known as Acetylmethadol) is analgesic that can bind to mu-type opioid receptor to activate associated G-protein in the sensory neurons of central nervous system (CNS), which will reduce the level of intracellular cAMP by inhibiting adenylate cyclase. The binding of methadyl acetate will eventually lead to reduced pain because of decreased nerve conduction and release of neurotransmitter. Hyperpolarization of neuron is caused by inactivation of calcium channels and activation of potassium channels via facilitated by G-protein.
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SMP0000141
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3-Methylglutaconic Aciduria Type IV
3-Methylglutaconic Aciduria Type IV, also called MGA, Type IV and MGA4, is a rare inborn error of metabolism (IEM) and autosomal recessive disorder and caused by a defective methylglutaconyl-CoA hydratase. Methylglutaconyl-CoA hydratase catalyzes the conversion of 3-Methylglutaconyl-CoA into 3-Hydroxy-3-methylglutaryl-CoA which is the substrate of hydroxymethylglutaryl-CoA lyase. This disorder is characterized by increased urinary excretion of 3-methylglutaconic acid. Symptoms of the disorder include poor growth and neurological degression. Currently, there is no effective treatment for 3-MGA type IV.
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SMP0125672
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3-Methylglutaconic Aciduria Type IV
3-Methylglutaconic Aciduria Type IV, also called MGA, Type IV and MGA4, is a rare inborn error of metabolism (IEM) and autosomal recessive disorder and caused by a defective methylglutaconyl-CoA hydratase. Methylglutaconyl-CoA hydratase catalyzes the conversion of 3-Methylglutaconyl-CoA into 3-Hydroxy-3-methylglutaryl-CoA which is the substrate of hydroxymethylglutaryl-CoA lyase. This disorder is characterized by increased urinary excretion of 3-methylglutaconic acid. Symptoms of the disorder include poor growth and neurological degression. Currently, there is no effective treatment for 3-MGA type IV.
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SMP0000140
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3-Methylglutaconic Aciduria Type III
3-Methylglutaconic aciduria type 3 (Costeff syndrome; Optic atrophy plus syndrome) is an autosomal recessive disease caused by a deficiency in the OPA3 code which does for optic atrophy 3 protein. A deficiency of this enzyme results in accumulation of 3-methylglutaconic acid and methylglutaric acid. Symptoms include ataxia, dysarthria, optic atrophy, and neurological deterioration.
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SMP0125667
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3-Methylglutaconic Aciduria Type III
3-Methylglutaconic aciduria type 3 (Costeff syndrome; Optic atrophy plus syndrome) is an autosomal recessive disease caused by a deficiency in the OPA3 code which does for optic atrophy 3 protein. A deficiency of this enzyme results in accumulation of 3-methylglutaconic acid and methylglutaric acid. Symptoms include ataxia, dysarthria, optic atrophy, and neurological deterioration.
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Disease
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SMP0000139
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3-Methylglutaconic Aciduria Type I
3-Methylglutaconic aciduria type 1 (3-Methylglutaconicaciduria; Aciduria, 3-methylglutaconic type I) is an autosomal recessive disease caused by a mutation in the AUH gene which codes for methylglutaconyl-CoA hydratase. A deficiency in this enzyme results in accumulation of 3-hydroxyisovaleric acid, 3-methylglutaconic acid, and methylglutaric acid in urine. Symptoms include hypoglycemia, low birth weight, coma, seizures, and mental retardation. Treatment includes a low protein diet.
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Disease
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SMP0125664
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3-Methylglutaconic Aciduria Type I
3-Methylglutaconic aciduria type 1 (3-Methylglutaconicaciduria; Aciduria, 3-methylglutaconic type I) is an autosomal recessive disease caused by a mutation in the AUH gene which codes for methylglutaconyl-CoA hydratase. A deficiency in this enzyme results in accumulation of 3-hydroxyisovaleric acid, 3-methylglutaconic acid, and methylglutaric acid in urine. Symptoms include hypoglycemia, low birth weight, coma, seizures, and mental retardation. Treatment includes a low protein diet.
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Disease
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