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Prior to expanded newborn screening, MCADD was an underdiagnosed cause of sudden death in infants. Individuals who have been identified prior to the onset of symptoms have an excellent prognosis. MCADD is most prevalent in individuals of Northern European Caucasian descent, with an incidence of 1:4000 to 1:17,000 depending on the population.
In addition to the fetal complications, they can also cause complications for the mother during pregnancy. [4] Examples include: Mitochondrial trifunctional protein deficiency (MTPD) [3] MCADD, LCHADD, and VLCADD [5] Schematic demonstrating mitochondrial fatty acid beta-oxidation and effects of LCHAD deficiency
It is common for babies and children with the early and childhood types of VLCAD to have episodes of illness known as metabolic crises. Some of the first symptoms of a metabolic crisis are: extreme sleepiness, behavior changes, irritable mood, poor appetite.
Medium-chain acyl-coenzyme A dehydrogenase deficiency (MCAD deficiency or MCADD), caused by mutations in the ACADM gene; Mast cell activation disorder, a disease; Microsoft Certified Application Developer; Mechanical computer-aided design
Looking at the molecular basis, two distinct homozygous mutations are found to cause malonic aciduria in human. The first mutation is the transversion of gene from C to G causing a premature stop signal in the protein. The second mutation is a base pair insertion in the mature RNA that will eventually result in the protein truncation. [4]
The model of hierarchical complexity is a quantitative analytic theory of development. This model offers an explanation for why certain tasks are acquired earlier than others through developmental sequences and gives an explanation of the biological, cultural, organizational, and individual principles of performance. [17]
Malnutrition occurs when an organism gets too few or too many nutrients, resulting in health problems. [11] [12] Specifically, it is a deficiency, excess, or imbalance of energy, protein and other nutrients which adversely affects the body's tissues and form.
Undernutrition in children causes direct structural damage to the brain and impairs infant motor development and exploratory behavior. [14] Children who are undernourished before age two and gain weight quickly later in childhood and in adolescence are at high risk of chronic diseases related to nutrition. [14]