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Genetic Screens02:46

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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which...
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In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
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In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
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Austrian Newborn Screening Program: a perspective of five decades.

Arnold Pollak, David C Kasper

    Journal of Perinatal Medicine
    |November 15, 2013
    PubMed
    Summary

    Austria

    Area of Science:

    • Medical Genetics
    • Pediatrics
    • Public Health

    Background:

    • The National Austrian Newborn Screening Program began in 1966.
    • Over five decades, it has screened nearly four million infants.
    • More than 2600 infants have been diagnosed with metabolic and endocrine disorders.

    Purpose of the Study:

    • To review the evolution of Austria's newborn screening program.
    • To identify future screening targets and challenges.
    • To highlight advancements in detecting inborn errors of metabolism and endocrine disorders.

    Main Methods:

    • Historical review of the Austrian Newborn Screening Program.
    • Description of program expansion and technological advancements.
    • Analysis of screening outcomes and detected disorders.

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    Main Results:

    • The program has expanded from initial tests like phenylketonuria and galactosemia to include congenital hypothyroidism, biotinidase deficiency, cystic fibrosis, and congenital adrenal hyperplasia.
    • Tandem mass spectrometry, introduced in 2002, significantly broadened the scope to include fatty acid oxidation disorders, organic acidurias, and amino acid metabolism disorders.
    • Over 2600 infants have been diagnosed with various inborn errors.

    Conclusions:

    • The Austrian newborn screening program has a long history of success in early detection and prevention of serious health conditions.
    • Technological advancements, particularly tandem mass spectrometry, have greatly enhanced the program's capabilities.
    • Continued expansion and adaptation are necessary to address emerging screening targets and overcome future challenges.