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Autosomal aneuploidies are the most frequently occurring congenital abnormalities and are related to many metabolic disorders, hormonal dysfunctions, neurotransmitter abnormalities, and intellectual disabilities. Trisomies are generated by an error of chromosomal segregation during cell division. Accumulating evidence has shown that deregulated gene expression resulting from the triplication of chromosomes 13 and 18 is associated with many disturbed cellular processes. Moreover, a disturbed oxidative stress status may be implicated in the occurrence of fetal malformations.
Material |
Protein |
Full Name |
Form of Dysregulation |
Reference |
---|---|---|---|---|
Amniotic fluid T18 pregnancy |
A1AT |
alpha-1-antitrypsin |
down |
[30] |
Amniotic fluid T18 pregnancy |
ApoA |
apolipoprotein A |
up |
[30] |
Amniotic fluid T18 pregnancy |
IGFBP-1 |
insulin-like growth factor-binding protein 1 |
down |
[30] |
Amniotic fluid T13 and T18 pregnancy |
leptin |
- |
down |
[31] |
Amniotic fluid T13 and T18 pregnancy |
resistin |
- |
down |
[31] |
Amniotic fluid T18 pregnancy |
TTR |
transthyretin |
down |
[30] |
Amniotic fluid T18 pregnancy |
VDBP |
vitamin D binding protein |
down |
[30] |
T13, trisomy 13; T18, trisomy 18.
Gene Location |
Gene |
Full Name |
Function |
---|---|---|---|
Chromosome 13 |
ATP7B |
ATPase Copper Transporting Beta |
copper transport |
Chromosome 13 |
BRCA2 |
Breast Cancer 2 |
tumor suppression |
Chromosome 13 |
CHAMP1 |
Chromosome Alignment-Maintaining Phosphoprotein 1 |
chromosome alignment maintenance with zinc finger protein regulations of chromosome segregation in mitosis |
Chromosome 13 |
MIPEP |
Mitochondrial Intermediate Peptidase |
oxidative mitochondrial processes |
Chromosome 13 |
RB1 |
Retinoblastoma Transcriptional Corepressor 1 |
inhibition of cell cycle processes, chromatin remodeling |
Chromosome 18 |
FECH |
Ferrochelatase |
mitochondrial membrane function |
Chromosome 18 |
NPC1 |
Niemann–Pick C1 Protein |
intracellular cholesterol trafficking |
Chromosome 18 |
SMAD |
Mothers Against Decapentaplegic Homolog |
transcription and signal transduction |