• These data suggest that parkin reduces α-Synuclein levels and alters the balance between phosphatase and kinase activities that affect the levels of phosphorylated α-Synuclein. (biomedcentral.com)
  • Both are linked to transformation due to deregulated kinase/phosphatase signaling or STAT5 gain-of-function (GOF) mutations. (nature.com)
  • Screening the regulated genes revealed astrocytic expression of the astray-encoded phosphoserine phosphatase to bi-directionally regulate water consumption. (ox.ac.uk)
  • Homozygous or compound heterozygous mutations in PSPH cause Neu-Laxova syndrome and Phosphoserine phosphatase deficiency. (wikipedia.org)
  • Phosphoserine phosphatase is an enzyme that in humans is encoded by the PSPH gene. (wikipedia.org)
  • Homozygous or compound heterozygous mutations in PSPH cause Neu-Laxova syndrome and Phosphoserine phosphatase deficiency. (wikipedia.org)
  • The diagnosis of a serine deficiency disorder is established in a proband with biallelic pathogenic variants in PHGDH , PSAT1 , or PSPH identified by molecular genetic testing . (nih.gov)
  • Phosphoserine phosphatase (PSPH) is one of the key enzymes of the L-serine synthesis pathway. (molcells.org)
  • Upon measuring the phosphatase activity of PSPH on a serine-phosphorylated peptide, we found that PSPH dephosphorylated phospho-serine in peptide sequences. (molcells.org)
  • Serine is a nonessential amino acid generated by the sequential actions of phosphoglycerate dehydrogenase (PHGDH), phosphoserine aminotransferase (PSAT1), and phosphoserine phosphatase (PSPH). (nih.gov)
  • The other two disorders in L-serine biosynthesis phosphoserine aminotransferase (PSAT) deficiency and phosphoserine phosphatase (PSP) deficiency have been reported only in a limited number of patients. (nih.gov)
  • Serine deficiency disorders are caused by a defect in one of the three synthesising enzymes of the L-serine biosynthesis pathway. (nih.gov)
  • Serine deficiency disorders give rise to a neurological phenotype with psychomotor retardation, microcephaly and seizures in newborns and children or progressive polyneuropathy in adult patients. (nih.gov)
  • Prompt recognition of affected patients is important, since serine deficiency disorders are treatable causes of neurometabolic disorders. (nih.gov)
  • Two new cases of serine deficiency disorders treated with l-serine. (nih.gov)
  • Serine deficiency disorders include a spectrum of disease ranging from lethal prenatal-onset Neu-Laxova syndrome to serine deficiency with infantile, juvenile, or adult onset. (nih.gov)
  • Serine deficiency disorders are inherited in an autosomal recessive manner. (nih.gov)
  • It catalyzes magnesium-dependent hydrolysis of L-phosphoserine and is also involved in an exchange reaction between L-serine and L-phosphoserine. (wikipedia.org)
  • The active form of GLYCOGEN PHOSPHORYLASE that is derived from the phosphorylation of PHOSPHORYLASE B. Phosphorylase a is deactivated via hydrolysis of phosphoserine by PHOSPHORYLASE PHOSPHATASE to form PHOSPHORYLASE B. (bvsalud.org)
  • The enzyme deficiency is either familial or can be acquired through lead poisoning. (cornell.edu)
  • The active site of this enzyme is structurally highly similar to those of phosphoserine phosphatases. (cornell.edu)
  • CDK4/6 inhibitors target SMARCA4-determined cyclin D1 deficiency in hypercalcemic small cell carcinoma of the ovary. (cancerindex.org)
  • Deficiency of this protein is thought to be linked to Williams syndrome. (wikipedia.org)
  • Neu-Laxova syndrome is characterized by severe intrauterine growth deficiency, microcephaly, congenital bilateral cataracts, characteristic dysmorphic features, limb anomalies, and collodion-like ichthyosis. (nih.gov)
  • There are three defects that cause serine deficiency of which 3-phosphoglycerate dehydrogenase (3-PGDH) deficiency, the defect affecting the first step in the pathway, has been reported most frequently. (nih.gov)
  • If both parents are known to be heterozygous for a serine deficiency-causing pathogenic variant , each sib of an affected individual has at conception a 25% chance of being affected, a 50% chance of being an asymptomatic carrier , and a 25% chance of inheriting neither of the familial pathogenic variants. (nih.gov)
  • Adult-onset serine deficiency is characterized by progressive axonal polyneuropathy with ataxia and possible cognitive impairment. (nih.gov)
  • The use of age-related reference values for serine in CSF and plasma can be of great help in establishing a correct diagnosis of serine deficiency, in particular in newborns and young children. (nih.gov)
  • Individuals that present with juvenile-onset serine deficiency have seizures and many develop spastic quadriplegia. (nih.gov)
  • Deficiency of P5N-1 activity in red blood cells results in nonspherocytic hemolytic anemia. (cornell.edu)