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Gene dosage is the number of copies of a particular gene present in a genome. [1] Gene dosage is related to the amount of gene product (proteins or functional RNAs) the cell is able to express. Since a gene acts as a template, the number of templates in the cell contributes to the amount of gene product able to be produced.
17725 Ensembl ENSG00000210082 ENSMUSG00000064339 UniProt Q8IVG9 n/a RefSeq (mRNA) n/a n/a RefSeq (protein) n/a n/a Location (UCSC) n/a n/a PubMed search Wikidata View/Edit Human View/Edit Mouse The humanin gene is found within the 16S rRNA gene (MT-RNR2) in the mitochondrial genome Humanin is a micropeptide encoded in the mitochondrial genome by the 16S ribosomal RNA gene, MT-RNR2. Its ...
The third documented type of gene dose regulatory mechanism is incomplete compensation without balance (sometimes referred to as incomplete or partial dosage compensation). In this system gene expression of sex-specific loci is reduced in the heterogametic sex i.e. the females in ZZ/ZW systems and males in XX/XY systems. [4] There are three ...
Although a single dose of any gene may not cause substantial harm to the individual, the genetic imbalance resulting from a single dose of many genes at the same time can be lethal. Humans, for example, cannot survive, even as heterozygotes , with deletions that remove more than about 3% of any part of their haploid genome .
Coenzyme Q 10 (CoQ 10 / ˌ k oʊ k j uː ˈ t ɛ n /), also known as ubiquinone, is a naturally occurring biochemical cofactor (coenzyme) and an antioxidant produced by the human body. [1] [2] [3] It can also be obtained from dietary sources, such as meat, fish, seed oils, vegetables, and dietary supplements.
The SHH gene is a member of the hedgehog gene family with five variations of DNA sequence alterations or splice variants. [37] SHH is located on chromosome seven and initiates the production of Sonic Hedgehog protein. [37] This protein sends short- and long-range signals to embryonic tissues to regulate development. [38]
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IGF-1 is a protein that in humans is encoded by the IGF1 gene. [8] [9] IGF-1 consists of 70 amino acids in a single chain with three intramolecular disulfide bridges. IGF-1 has a molecular weight of 7,649 daltons. [10] In dogs, an ancient mutation in IGF1 is the primary cause of the toy phenotype. [11] IGF-1 is produced primarily by the liver.