Cockayne Syndrome
|
0.100 |
Biomarker
|
disease |
BEFREE |
XPG stabilizes TFIIH, allowing transactivation of nuclear receptors: implications for Cockayne syndrome in XP-G/CS patients.
|
17466625 |
2007 |
Cockayne Syndrome
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
Mutation of CSB, CSA, or the TFIIH helicases XPB and XPD can also cause defective TCR and CS.
|
16246722 |
2005 |
Cockayne Syndrome
|
0.100 |
Biomarker
|
disease |
BEFREE |
Mutations in certain subunits of the DNA repair/transcription factor complex TFIIH are linked to the human syndromes xeroderma pigmentosum (XP), Cockayne's syndrome (CS), and trichothiodystrophy (TTD).
|
19008953 |
2008 |
Cockayne Syndrome
|
0.100 |
Biomarker
|
disease |
BEFREE |
Moreover, mutations in the TFIIH subunits XPB and XPD found in Cockayne syndrome impair the interaction of TFIIH with the rDNA, but do not influence initiation complex formation or promoter escape of RNA polymerase I, but preclude the productivity of the enzyme by reducing transcription elongation in vivo and in vitro.
|
21965540 |
2012 |
Cockayne Syndrome
|
0.100 |
Biomarker
|
disease |
BEFREE |
Subtle differences in the effects of these different mutations on the many activities of TFIIH and on its stability determine the clinical outcomes, which can be XP, TTD, XP with CS, XP with TTD or COFS.
|
14726016 |
2003 |
Cockayne Syndrome
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
Amino acid sequence analysis of the tryptic digest generated from the 89-kilodalton subunit of BTF2 indicated that this polypeptide corresponded to the ERCC-3 gene product, a presumed helicase implicated in the human DNA excision repair disorders xeroderma pigmentosum and Cockayne's syndrome.
|
8465201 |
1993 |
Cockayne Syndrome
|
0.100 |
Biomarker
|
disease |
BEFREE |
Mapping disease mutations associated with xeroderma pigmentosum, trichothiodystrophy and Cockayne syndrome onto defined communities reveals clustering into three mechanistic classes that affect TFIIH helicase functions, protein interactions and interface dynamics.
|
31110295 |
2019 |
Cockayne Syndrome
|
0.100 |
Biomarker
|
disease |
BEFREE |
Mutations in the DNA-dependent ATPase/helicase subunits of TFIIH, XPB and XPD, are associated with three inherited syndromes as follows: xeroderma pigmentosum with or without Cockayne syndrome and trichothiodystrophy.
|
10660593 |
2000 |
Cockayne Syndrome
|
0.100 |
Biomarker
|
disease |
BEFREE |
These results suggest that the XPG-TFIIH complex is involved in transcription elongation and that defects in this association may partly account for Cockayne syndrome in XP-G/CS patients.
|
26149386 |
2015 |
Cockayne Syndrome
|
0.100 |
Biomarker
|
disease |
BEFREE |
A recent report provides a molecular basis for how mutations in the NER endonuclease XPG that affect the interaction of TFIIH might give rise to CS features.
|
18077223 |
2008 |
Xeroderma Pigmentosum
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
Thus, mutations in TFIIH components may, on top of a repair defect, also cause transcriptional insufficiency, which may explain part of the non-XP clinical features of TTD.
|
9012405 |
1997 |
Xeroderma Pigmentosum
|
0.100 |
AlteredExpression
|
disease |
BEFREE |
Mutations in certain subunits of the DNA repair/transcription factor complex TFIIH are linked to the human syndromes xeroderma pigmentosum (XP), Cockayne's syndrome (CS), and trichothiodystrophy (TTD).
|
19008953 |
2008 |
Xeroderma Pigmentosum
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
Inherited mutations of the TFIIH helicase subunits xeroderma pigmentosum (XP) B or XPD yield overlapping DNA repair and transcription syndromes.
|
11239393 |
2001 |
Xeroderma Pigmentosum
|
0.100 |
AlteredExpression
|
disease |
BEFREE |
The involvement of some if not all of the TFIIH subunits in transcription and repair may explain the heterogeneity of the various and sometimes completely unrelated symptoms observed in xeroderma pigmentosum, Cockayne Syndrome and trichothiodystrophy disorders.
|
7980491 |
1994 |
Xeroderma Pigmentosum
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
Our results suggested a link between TTD- but not XP-associated XPD mutations, placental maldevelopment and risk of pregnancy complications, possibly due to impairment of TFIIH-mediated functions in placenta.
|
22234153 |
2012 |
Xeroderma Pigmentosum
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
Mutations in the XPD helicase component of TFIIH can result in the diverse clinical features associated with xeroderma pigmentosum (XP) and trichothiodystrophy (TTD).
|
11734544 |
2001 |
Xeroderma Pigmentosum
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
Mutations in the DNA-dependent ATPase/helicase subunits of TFIIH, XPB and XPD, are associated with three inherited syndromes as follows: xeroderma pigmentosum with or without Cockayne syndrome and trichothiodystrophy.
|
10660593 |
2000 |
Xeroderma Pigmentosum
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
We previously reported that p53-mediated apoptosis is attenuated in primary human fibroblasts from individuals with Xeroderma Pigmentosum (XP) that harbor mutations in the TFIIH DNA helicases XPD or XPB.
|
10467415 |
1999 |
Xeroderma Pigmentosum
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
The severe xeroderma pigmentosum/Cockayne syndrome (XP/CS) syndrome is caused by mutations in the XPB, XPD and XPG genes that encode the helicase subunits of TFIIH and the 3' endonuclease of nucleotide excision repair (NER).
|
16167068 |
2006 |
Xeroderma Pigmentosum
|
0.100 |
Biomarker
|
disease |
BEFREE |
Moreover, when XPD mutations prevent interaction with the p44 subunit of TFIIH, transactivation directed by certain nuclear receptors is inhibited, regardless of TTD versus XP phenotype, thus explaining the overlapping symptoms.
|
12820975 |
2003 |
Xeroderma Pigmentosum
|
0.100 |
AlteredExpression
|
disease |
BEFREE |
We also observed weak constitutive fragility of the RNU1 and RNU2 loci in cells belonging to xeroderma pigmentosum complementation groups B and D (XPB and XPD) which are partially defective in the ERCC2 (XPD) and ERCC3 (XPB) helicase activities shared between the repairosome and the RNA polymerase H basal transcription factor TFIIH.
|
9557707 |
1998 |
Xeroderma Pigmentosum
|
0.100 |
Biomarker
|
disease |
BEFREE |
TFIIH multi-protein complex with its important helicase-Xeroderma Pigmentosum Protein (XPD) serves as the pivotal factor for opening up of the damaged lesion DNA site and carry out the repair process.
|
29616226 |
2018 |
Xeroderma Pigmentosum
|
0.100 |
AlteredExpression
|
disease |
BEFREE |
Mutations in the XPD subunit of the DNA repair/transcription factor TFIIH result in distinct clinical entities, including the cancer-prone xeroderma pigmentosum (XP) and the multisystem disorder trichothiodystrophy (TTD), which share only cutaneous photosensitivity.
|
25605938 |
2015 |
Xeroderma Pigmentosum
|
0.100 |
Biomarker
|
disease |
BEFREE |
Accordingly, defects in specific enzymatic functions typically result in XP, dissociation of the CAK subunit from TFIIH is associated with XP/CS and a more generalized destabilization of TFIIH gives rise to TTD.
|
18077223 |
2008 |
Xeroderma Pigmentosum
|
0.100 |
GeneticVariation
|
disease |
BEFREE |
The subtle transcriptional differences found between various TFIIH variants thus participate in the phenotypic variability observed among XP, XP/CS, and TTD individuals.
|
25620205 |
2015 |