Phosphomannomutase 2
The PMM2 gene encodes a phosphomannomutase which is involved in glycosylation of mannose. Mutations cause different autosomal recessive disorders. With exclusively coding mutations, congenital disorder of glycosylation 1A result. If however at least one promotor mutation exists, polycystic kidney disease with hyperinsulinemic hypoglycemia develops.
Genetests:
Related Diseases:
References:
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Van Schaftingen E et al. (1995) Phosphomannomutase deficiency is a cause of carbohydrate-deficient glycoprotein syndrome type I.
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Cabezas OR et al. (2017) Polycystic Kidney Disease with Hyperinsulinemic Hypoglycemia Caused by a Promoter Mutation in Phosphomannomutase 2.
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Vega AI et al. (2009) Functional analysis of three splicing mutations identified in the PMM2 gene: toward a new therapy for congenital disorder of glycosylation type Ia.
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Schollen E et al. (2007) Characterization of two unusual truncating PMM2 mutations in two CDG-Ia patients.
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5. |
Quelhas D et al. (2007) Congenital disorder of glycosylation type Ia: searching for the origin of common mutations in PMM2.
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6. |
Westphal V et al. (2002) A frequent mild mutation in ALG6 may exacerbate the clinical severity of patients with congenital disorder of glycosylation Ia (CDG-Ia) caused by phosphomannomutase deficiency.
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7. |
Grünewald S et al. (2001) High residual activity of PMM2 in patients' fibroblasts: possible pitfall in the diagnosis of CDG-Ia (phosphomannomutase deficiency).
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8. |
Bjursell C et al. (2000) PMM2 mutation spectrum, including 10 novel mutations, in a large CDG type 1A family material with a focus on Scandinavian families.
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9. |
Matthijs G et al. (2000) Mutations in PMM2 that cause congenital disorders of glycosylation, type Ia (CDG-Ia).
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10. |
Vuillaumier-Barrot S et al. (2000) Identification of four novel PMM2 mutations in congenital disorders of glycosylation (CDG) Ia French patients.
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11. |
Schollen E et al. (2000) Lack of Hardy-Weinberg equilibrium for the most prevalent PMM2 mutation in CDG-Ia (congenital disorders of glycosylation type Ia).
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12. |
Kjaergaard S et al. (1999) Carbohydrate-deficient glycoprotein syndrome type 1A: expression and characterisation of wild type and mutant PMM2 in E. coli.
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13. |
Kondo I et al. (1999) Missense mutations in phosphomannomutase 2 gene in two Japanese families with carbohydrate-deficient glycoprotein syndrome type 1.
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14. |
Kjaergaard S et al. () Absence of homozygosity for predominant mutations in PMM2 in Danish patients with carbohydrate-deficient glycoprotein syndrome type 1.
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15. |
Matthijs G et al. (1998) Lack of homozygotes for the most frequent disease allele in carbohydrate-deficient glycoprotein syndrome type 1A.
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16. |
Schollen E et al. (1998) Comparative analysis of the phosphomannomutase genes PMM1, PMM2 and PMM2psi: the sequence variation in the processed pseudogene is a reflection of the mutations found in the functional gene.
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17. |
Matthijs G et al. (1997) PMM (PMM1), the human homologue of SEC53 or yeast phosphomannomutase, is localized on chromosome 22q13.
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18. |
Neumann LM et al. (2003) Congenital disorder of glycosylation type 1a in a macrosomic 16-month-old boy with an atypical phenotype and homozygosity of the N216I mutation.
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19. |
Briones P et al. (2002) Biochemical and molecular studies in 26 Spanish patients with congenital disorder of glycosylation type Ia.
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20. |
Böhles H et al. (2001) Hyperinsulinaemic hypoglycaemia--leading symptom in a patient with congenital disorder of glycosylation Ia (phosphomannomutase deficiency).
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21. |
Matthijs G et al. (1999) Phosphomannomutase deficiency: the molecular basis of the classical Jaeken syndrome (CDGS type Ia).
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22. |
Bjursell C et al. () Detailed mapping of the phosphomannomutase 2 (PMM2) gene and mutation detection enable improved analysis for Scandinavian CDG type I families.
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23. |
Matthijs G et al. (1997) Mutations in PMM2, a phosphomannomutase gene on chromosome 16p13, in carbohydrate-deficient glycoprotein type I syndrome (Jaeken syndrome).
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24. |
Najmabadi H et al. (2011) Deep sequencing reveals 50 novel genes for recessive cognitive disorders.
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OMIM.ORG article
Omim 601785
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NCBI article
NCBI 5373
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27. |
Orphanet article
Orphanet ID 117903
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28. |
Wikipedia article
Wikipedia EN (PMM2)
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Update: Aug. 14, 2020