Galactosemia screening: Difference between revisions

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==Overview==
==Overview==
{{CMG}} {{AE}} {{Sujaya}}
[[Galactosemia]] satisfies the [[criteria]] for [[newborn]] [[screening]] successfully. Since most babies are born apparently healthy, there is a considerable window for prompt detection of the [[disease]] and appropriate intervention.
[[Galactosemia]] satisfies the [[criteria]] for [[newborn]] [[screening]] successfully. Since most babies are born apparently healthy, there is a considerable window for prompt detection of the [[disease]] and appropriate intervention.


==[[Screening]]==
==[[Screening]]==
{{CMG}} {{AE}} {{Sujaya}}
[[Galactosemia]] despite being incurable, qualifies for [[screening]] as early detection can prevent complications. <ref name="pmid30038819">{{cite journal| author=Kotb MA, Mansour L, William Shaker Basanti C, El Garf W, Ali GIZ, Mostafa El Sorogy ST | display-authors=etal| title=Pilot study of classic galactosemia: Neurodevelopmental impact and other complications urge neonatal screening in Egypt. | journal=J Adv Res | year= 2018 | volume= 12 | issue=  | pages= 39-45 | pmid=30038819 | doi=10.1016/j.jare.2018.02.001 | pmc=6054589 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=30038819  }} </ref> . [[Neonatal]] [[blood]] samples should be collected within 48 hours of birth, reach the laboratory within another 24 hours for the most accurate results.
[[Galactosemia]] despite being incurable, qualifies for [[screening]] as early detection can prevent complications. <ref name="pmid30038819">{{cite journal| author=Kotb MA, Mansour L, William Shaker Basanti C, El Garf W, Ali GIZ, Mostafa El Sorogy ST | display-authors=etal| title=Pilot study of classic galactosemia: Neurodevelopmental impact and other complications urge neonatal screening in Egypt. | journal=J Adv Res | year= 2018 | volume= 12 | issue=  | pages= 39-45 | pmid=30038819 | doi=10.1016/j.jare.2018.02.001 | pmc=6054589 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=30038819  }} </ref> . [[Neonatal]] [[blood]] samples should be collected within 48 hours of birth, reach the laboratory within another 24 hours for the most accurate results.


===Tests used to screen for [[galactosemia]]===
===Tests used to screen for [[galactosemia]]===

Latest revision as of 15:05, 18 August 2022

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sujaya Chattopadhyay, M.D.[2]

Overview

Galactosemia satisfies the criteria for newborn screening successfully. Since most babies are born apparently healthy, there is a considerable window for prompt detection of the disease and appropriate intervention.

Screening

Galactosemia despite being incurable, qualifies for screening as early detection can prevent complications. [1] . Neonatal blood samples should be collected within 48 hours of birth, reach the laboratory within another 24 hours for the most accurate results.

Tests used to screen for galactosemia

Thus, screening for galactosemia is primarily based on estimation of galactose, galactose-1-phosphate and GALT in RBCs. Elevated galactose with absent GALT activity indicates classic galactosemia, some GALT activity points towards Duarte variant, while raised sugar with normal GALT suggests deficiency of galactokinase or epimerase.

References

  1. Kotb MA, Mansour L, William Shaker Basanti C, El Garf W, Ali GIZ, Mostafa El Sorogy ST; et al. (2018). "Pilot study of classic galactosemia: Neurodevelopmental impact and other complications urge neonatal screening in Egypt". J Adv Res. 12: 39–45. doi:10.1016/j.jare.2018.02.001. PMC 6054589. PMID 30038819.
  2. Adam BW, Flores SR, Hou Y, Allen TW, De Jesus VR (2015). "Galactose-1-phosphate uridyltransferase dried blood spot quality control materials for newborn screening tests". Clin Biochem. 48 (6): 437–42. doi:10.1016/j.clinbiochem.2014.12.009. PMC 4547523. PMID 25528144.
  3. HAWORTH JC, MACDONALD MS (1957). "Reducing sugars in the urine and blood of premature babies". Arch Dis Child. 32 (165): 417–21. doi:10.1136/adc.32.165.417. PMC 2012154. PMID 13479147.
  4. Haque SK, Ariceta G, Batlle D (2012). "Proximal renal tubular acidosis: a not so rare disorder of multiple etiologies". Nephrol Dial Transplant. 27 (12): 4273–87. doi:10.1093/ndt/gfs493. PMC 3616759. PMID 23235953.
  5. Resendez A, Panescu P, Zuniga R, Banda I, Joseph J, Webb DL; et al. (2016). "Multiwell Assay for the Analysis of Sugar Gut Permeability Markers: Discrimination of Sugar Alcohols with a Fluorescent Probe Array Based on Boronic Acid Appended Viologens". Anal Chem. 88 (10): 5444–52. doi:10.1021/acs.analchem.6b00880. PMC 5747966. PMID 27116118.
  6. Jakobs C, Kleijer WJ, Allen J, Holton JB (1995). "Prenatal diagnosis of galactosemia". Eur J Pediatr. 154 (7 Suppl 2): S33–6. doi:10.1007/BF02143800. PMID 7671961.
  7. Christopher R, Sankaran BP (2008). "An insight into the biochemistry of inborn errors of metabolism for a clinical neurologist". Ann Indian Acad Neurol. 11 (2): 68–81. doi:10.4103/0972-2327.41873. PMC 2771954. PMID 19893643.
  8. Pasquali M, Yu C, Coffee B (2018). "Laboratory diagnosis of galactosemia: a technical standard and guideline of the American College of Medical Genetics and Genomics (ACMG)". Genet Med. 20 (1): 3–11. doi:10.1038/gim.2017.172. PMID 29261178.
  9. Rajabi F (2018). "Updates in Newborn Screening". Pediatr Ann. 47 (5): e187–e190. doi:10.3928/19382359-20180426-01. PMID 29750285.

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