along its 5' → 3' direction. CpG sites occur with high frequency in genomic regions called CpG islands. Cytosines in CpG dinucleotides can be methylated...
51 KB (5,481 words) - 20:28, 15 August 2024
CpG may refer to: CpG site - methylated sequences of DNA significant in gene regulation CpG island - regions of DNA that contain several CpG sites CpG...
280 bytes (65 words) - 09:35, 25 January 2024
methylated CpG site (a cytosine followed by guanine along its 5' → 3' direction and where the cytosine is methylated (5-mCpG)). A 5-mCpG site has the lowest...
160 KB (18,271 words) - 15:20, 28 October 2024
8-Oxo-2'-deoxyguanosine (redirect from 8-OHdG)
(CpG sites). In the mouse brain, 4.2% of all cytosines are methylated, primarily in the context of CpG sites, forming 5mCpG. Most hypermethylated 5mCpG...
25 KB (2,763 words) - 21:16, 13 April 2024
DNA methylation (section CpG islands)
occurs on the cytosine nucleotide in a CpG site, in plants the cytosine can be methylated at CpG, CpHpG, and CpHpH sites, where H represents any nucleotide...
116 KB (13,328 words) - 02:09, 23 October 2024
CpG site). In mammals, DNA methyltransferases (which add methyl groups to DNA bases) exhibit a strong sequence preference for cytosines at CpG sites....
42 KB (5,158 words) - 15:54, 31 October 2024
methylated CpG site (a cytosine followed by guanine along its 5' → 3' direction and where the cytosine is methylated (5-mCpG)). A 5-mCpG site has the lowest...
129 KB (15,900 words) - 22:25, 12 October 2024
differentially methylated CpG sites returned to the level of never-smokers within five years of smoking cessation. However, 2,568 CpGs among 942 genes remained...
45 KB (5,236 words) - 08:23, 27 October 2024
a demethylation pathway shown in the second figure. The thousands of CpG sites being demethylated during memory formation depend on ROS in an initial...
70 KB (8,489 words) - 08:42, 7 October 2024
mammalian brain, ~62% of CpGs are methylated. Methylation of CpG sites tends to stably silence genes. More than 500 of these CpG sites are de-methylated in...
81 KB (10,099 words) - 11:45, 3 September 2024
diabetes. In a normal cell, the bulk genome is highly methylated at CpGs, whereas CpG islands (CPI) at gene promoter regions remain highly unmethylated...
32 KB (3,597 words) - 15:04, 21 April 2024
Promoter (genetics) (redirect from Promoter site)
transcription start site of a gene (proximal promoters) contain a CpG island. CpG islands are generally 200 to 2000 base pairs long, have a C:G base pair content...
54 KB (6,271 words) - 05:57, 28 October 2024
of CpG dinucleotides (CpG sites), forming 5-methylcytosine (5mC). Thus, a CpG site may be methylated to form 5mCpG. The presence of 5mC at CpG sites in...
52 KB (6,235 words) - 15:49, 26 April 2024
occurs in the DNA sequence CpG, changing the DNA at the CpG site from CpG to 5-mCpG. Methylation of cytosines in CpG sites in promoter regions of genes...
17 KB (2,079 words) - 22:24, 28 September 2024
along its 5' → 3' direction (at CpG sites). This forms a 5mCpG site. More than 98% of DNA methylation occurs at CpG sites in mammalian somatic cells. Thus...
32 KB (3,984 words) - 04:59, 28 October 2024
guanine, a CpG site. The number of CpG sites in the human genome is about 28 million. Depending on the type of cell, about 70% of the CpG sites have a methylated...
102 KB (11,438 words) - 17:14, 31 October 2024
Verbascoside) Calorically perfect gas Clopidogrel CpG ODN, a synthetic TLR9 agonist CpG site, a site in DNA CpG island, a specialized region of DNA Central...
2 KB (306 words) - 22:47, 19 October 2024
mouse sperm genome is 80–90% methylated at its CpG sites in DNA, amounting to about 20 million methylated sites.[citation needed] After fertilization, the...
49 KB (5,387 words) - 17:07, 6 April 2024
at a CpG site, which is a cytosine followed by a guanine. The “p” refers to the phosphate linker between them. DMR usually involves adjacent sites or a...
2 KB (223 words) - 19:23, 21 September 2023
Transcription (biology) (redirect from Transcription start site)
controlled by methylation of cytosines within CpG dinucleotides (where 5' cytosine is followed by 3' guanine or CpG sites). 5-methylcytosine (5-mC) is a methylated...
58 KB (6,788 words) - 18:55, 25 October 2024
transcription start site of a gene (proximal promoters) contain a CpG island. CpG islands are generally 200 to 2000 base pairs long, have a C:G base pair content...
19 KB (2,390 words) - 22:58, 3 December 2023
Genome Browser. MethBase contents include single-CpG site resolution methylation levels for each CpG site in the genome of interest, annotation of regions...
2 KB (139 words) - 03:34, 10 September 2021
mammalian brain, ~62% of CpGs are methylated. Methylation of CpG sites tends to stably silence genes. More than 500 of these CpG sites are de-methylated in...
40 KB (4,790 words) - 11:12, 24 March 2024
the bisulfite-converted sequence of specific CpG sites in the region. The ratio of C-to-T at individual sites can be determined quantitatively based on the...
34 KB (4,086 words) - 04:30, 2 November 2024
the nervous system. This disruption leads to an elevation in methylated CpG sites, causing DNA hypermethylation. The mutations can either occur due to new...
20 KB (1,481 words) - 02:03, 30 September 2024
sequence, a CpG site.) Methylation of CpG sites in a promoter region of a gene usually represses gene transcription, while methylation of CpGs in the body...
74 KB (8,186 words) - 07:58, 28 October 2024
modification primarily occurs at CpG sites, which in turn tend to cluster in regions called CpG islands. There is a small fraction of CpG islands that can overlap...
23 KB (2,851 words) - 03:32, 18 December 2023
(G) within CpG sites. This is an important repair function since about 1/3 of all intragenic single base pair mutations in human cancers occur in CpG dinucleotides...
29 KB (3,493 words) - 23:41, 26 October 2024
methylation. DNA methylation of a CpG island in a promoter region may cause silencing of its downstream gene (see CpG site and regulation of transcription...
94 KB (9,545 words) - 02:59, 25 October 2024
or 5-mCpG). Methylated cytosines within CpG sequences often occur in groups, called CpG islands. About 59% of promoter sequences have a CpG island while...
26 KB (2,839 words) - 06:27, 28 October 2024