Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
40 cognitively normal volunteers from a Colombian population with familial AD were included; 18 were positive for the AD-associated presenilin 1 mutation (carriers, mean age=38) whereas 22 were non-carriers.
|
23134660 |
2013 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Presenilin-1 2/2 genotype is a risk factor for late onset Alzheimer disease in the Spanish population, and probably, for Europeans.
|
17719017 |
2007 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Presenilin-1 intron 8 polymorphism is not associated with autopsy-confirmed late-onset Alzheimer's disease.
|
9121726 |
1997 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
A Novel PSEN1 K311R Mutation Discovered in Chinese Families with Late-Onset Alzheimer's Disease Affects Amyloid-β Production and Tau Phosphorylation.
|
28269784 |
2017 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
A novel mutation in PSEN1 (p.T119I) in an Argentine family with early- and late-onset Alzheimer's disease.
|
31153663 |
2020 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
CTD_human |
A presenilin-1 mutation renders neurons vulnerable to isoflurane toxicity.
|
18227305 |
2008 |
Alzheimer Disease, Late Onset
|
0.400 |
PosttranslationalModification
|
disease |
BEFREE |
Additionally, we found that some genes that participate in amyloid-beta processing (PSEN1, APOE) and methylation homeostasis (MTHFR, DNMT1) show a significant interindividual epigenetic variability, which may contribute to LOAD predisposition.
|
18628954 |
2008 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
CTD_human |
APP/PS1 transgenic mice treated with aluminum: an update of Alzheimer's disease model.
|
22507317 |
2012 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
CTD_human |
Beta-amyloid mediated nitration of manganese superoxide dismutase: implication for oxidative stress in a APPNLH/NLH X PS-1P264L/P264L double knock-in mouse model of Alzheimer's disease.
|
16651627 |
2006 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
CTD_human |
Cloning of a gene bearing missense mutations in early-onset familial Alzheimer's disease.
|
7596406 |
1995 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Extreme cerebrospinal fluid amyloid beta levels identify family with late-onset Alzheimer's disease presenilin 1 mutation.
|
17366635 |
2007 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Failure to detect missense mutations in the S182 gene in a series of late-onset Alzheimer's disease cases.
|
8848249 |
1995 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
BEFREE |
Female and male transgenic AD model mice expressing APPswe/PSEN1ΔE9 require Pyk2 for age-dependent loss of synaptic markers and for impairment of learning and memory.
|
30518596 |
2019 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
CTD_human |
Generation of Abeta38 and Abeta42 is independently and differentially affected by familial Alzheimer disease-associated presenilin mutations and gamma-secretase modulation.
|
17962197 |
2008 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Homozygosity of allele 1 of a presenilin 1 intron 8 polymorphism (PS1-1) has been associated with doubling of the risk of sporadic late-onset Alzheimer disease (LOAD), in some, but not all studies.
|
10815136 |
2000 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Homozygosity of the 1 allele in the PS-1 gene was associated with a doubling of the risk for late-onset Alzheimer's disease compared with the [12]/[22] genotype (odds ratio 1.97, 95% Cl 1.29-3.00).
|
8596269 |
1996 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Homozygosity of the G allele in IE1 and 1/1 genotype in PS-1 was associated with a doubling of risk for late-onset AD, and odds ratios were 2.223 and 2.066, respectively.
|
11775232 |
2000 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
BEFREE |
However, one of the two forms of the mRNA for PS-1, the long form (which contains a sequence encoding a four amino acid (VRSQ) insert at its 5' end) was significantly reduced in early onset FAD brain compared with late onset AD.
|
8910899 |
1996 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
CTD_human |
Identification of the key molecules involved in chronic copper exposure-aggravated memory impairment in transgenic mice of Alzheimer's disease using proteomic analysis.
|
25352456 |
2015 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
In summary, we found an association between presenilin 1 intronic polymorphism and LOAD, but no influence of APOE epsilon4 on the distribution of the PS1 intronic polymorphism.
|
16938285 |
2006 |
Alzheimer Disease, Late Onset
|
0.400 |
Biomarker
|
disease |
CTD_human |
Insensitivity to Abeta42-lowering nonsteroidal anti-inflammatory drugs and gamma-secretase inhibitors is common among aggressive presenilin-1 mutations.
|
17573346 |
2007 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Lack of association between an intronic polymorphism in the presenilin-1 gene and sporadic late-onset Alzheimer disease in Polish patients.
|
9622000 |
1998 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Late-onset AD may be associated with deterministic PS1 mutations; these should be sought when the family history suggests autosomal dominant disease transmission.
|
17188713 |
2007 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Mutations or upregulation in presenilin 1 (PS1) gene are found in familial early-onset Alzheimer's disease or sporadic late-onset Alzheimer's disease, respectively.
|
28753475 |
2017 |
Alzheimer Disease, Late Onset
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Novel presenilin 1 mutations associated with early onset of dementia in a family with both early-onset and late-onset Alzheimer disease.
|
11030797 |
2000 |