Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: Familial Alzheimer disease


Related Topics

  
  Familial Alzheimer disease - Wikipedia, the free encyclopedia
Familial Alzheimer's disease (FAD) is an uncommon form of Alzheimer's disease that comes on earlier in life, defined as before the age of 65 (usually between 30 and 65 years of age) and is inherited in an autosomal dominant fashion.
Familial Alzheimer disease is an uncommon form of Alzheimer's that comes on earlier in life, before the age of 65 (incidents occurring before 50 years of age are rarer) and is inherited in an autosomal dominant fashion.
Its role in the cause of Alzheimer disease is not an autosomal dominant effect as with the previous three genes; some variants may cause a slight predisposition to AD (Corder, 1993), and Amouyel (1994) reported an increased the risk of other neurological disorders such as Creutzfeldt-Jakob disease.
en.wikipedia.org /wiki/Familial_Alzheimer_disease   (2173 words)

  
 Alzheimer's disease - Wikipedia, the free encyclopedia
Alzheimer's disease (AD), a neurodegenerative disease, is the most common cause of dementia and characterized clinically by progressive intellectual deterioration together with declining activities of daily living and neuropsychiatric symptoms or behavioral changes.
In the 1970s and early 1980s, however, the name "Alzheimer's disease" began to be used, within and outside the medical profession, equally for individuals age 65 and older with senile dementia, and was eventually adopted formally for all individuals with the common symptom pattern and disease course in the psychiatric and neurological nomenclature.
Alzheimer's disease is the most frequent type of dementia in the elderly and affects almost half of all patients with dementia.
en.wikipedia.org /wiki/Alzheimer's_disease   (4044 words)

  
 Chromosome 14 familial Alzheimer's disease: the clinical and neuropathological characteristics of a family with a ...
Alzheimer's disease and sporadic Alzheimer's disease to have the
Mutations of the presenilin I gene in families with early-onset Alzheimer's disease.
Autopsy-Confirmed Familial Early-Onset Alzheimer Disease Caused by the L153V Presenilin 1 Mutation
jnnp.bmjjournals.com /cgi/content/full/64/1/44   (3248 words)

  
 Alzheimer's Disease -- Drug Companies - Pipeline Drugs -- Clinical Trials
Alzheimer's disease is also manifested in behavorial changes, which may include confusion, disorientation, sudden periods of defiance, abusive behavior, or violence, etc. in people who have no previous history of such behavior (rarely, an affected person experiences euphoria).
The disease duration has been been noted to vary as very roughly half of the normal life expectancy of a healthy person of the same age as the patient in whom the Alzheimer's is diagnosed, subject to a maximum of 10 to 12 years for those diagnosed at a young age.
Alzheimer's disease is the most frequent reason for dementia in the elderly and affects almost half of all patients with dementia.
www.biotech100.com /biotechnology_encyclopedia/alzheimers.htm   (2974 words)

  
 Alzheimer Europe   (Site not responding. Last check: 2007-10-16)
Alzheimer’s disease where there is a family link, called familial Alzheimer’s disease (FAD), is more common amongst younger people (under the age of 65).
A very small group of families (7 members of kin with FAD were described) carry a fault on chromosome 14 (“presenilin-2”).
The presence of a positive family history in the late onset cases is considered as a risk factor, but a clear autosomal dominant pattern of inheritance is rare.
www.alzheimer-europe.org /?lm3=E4C9C1D9BD1B   (826 words)

  
 biology - Alzheimer's disease
Alzheimer's disease (AD) or senile dementia of Alzheimer's type is a neurodegenerative disease which results in a loss of mental functions due to the deterioration of brain tissue.
Until the 1960s, the disease was thought to be uncommon, but later it was realized that much of what had been regarded as the normal process of aging was actually the result of this disease.
The disease duration has been noted to vary as very roughly half of the normal life expectancy of a healthy person of the same age as the patient in whom the Alzheimer's is diagnosed, subject to a maximum of 10 to 12 years for those diagnosed at a young age.
www.biologydaily.com /biology/Alzheimers_disease   (3204 words)

  
 © The Centre for Genetics Education   (Site not responding. Last check: 2007-10-16)
Some families have a form of Alzheimer disease that is hereditary and is associated with one of several genes that are faulty.
Where there is a strong family history of early onset Alzheimer disease or other rare forms of dementia, and a mutation has been identified in one of these genes as causing the dementia in a family, genetic testing may be available.
This apparent clustering of people with dementia in some families is known to be related (at least to some extent) to the influence of their genetic make-up, but the genetic basis and inheritance pattern is different to that described for the earlier-onset familial Alzheimer disease.
www.genetics.com.au /factsheet/51.htm   (2517 words)

  
 ipedia.com: Alzheimer's disease Article   (Site not responding. Last check: 2007-10-16)
Alzheimer's disease or senile dementia of Alzheimer's type is a disorder or loss of mental functions resulting from brain tissue changes; the causes are yet to be fully elucidated.
Alzheimer's disease (AD) or senile dementia of Alzheimer's type is a disorder or loss of mental functions resulting from brain tissue changes; the causes are yet to be fully elucidated (mutations in at least four genes predisposing to AD have been identified).
The disease was thought to be uncommon, until the 1960s when it was realized that much of what had been regarded as the normal process of aging was actually the result of this disease.
www.ipedia.com /alzheimer_s_disease_1.html   (1831 words)

  
 Alzheimer disease - Genetics Home Reference
Alzheimer disease is a degenerative disease of the brain that causes gradual loss of memory, judgment, and ability to function.
Mutations in the APP, PSEN1, and PSEN2 genes cause Alzheimer disease.
The early-onset forms of Alzheimer disease (types 1, 3, and 4) are inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder.
ghr.nlm.nih.gov /condition=alzheimerdisease   (950 words)

  
 Alzheimer Disease Overview   (Site not responding. Last check: 2007-10-16)
Early-onset familial Alzheimer disease is inherited in an autosomal dominant manner.
The number of additional affected family members probably increases the risk to close relatives, but the magnitude of that increase is unclear unless the pattern in the family is characteristic of autosomal dominant inheritance.
(1995) Mutations of the presenilin I gene in families with early-onset Alzheimer's disease.
www.geneclinics.org /profiles/alzheimer/details.html   (4927 words)

  
 Alzheimer disease, familial   (Site not responding. Last check: 2007-10-16)
Alzheimer's disease is the most frequent type of dementia.
Onset is marked with various alterations of the intellectual functions (recent memory, spatial and temporal orientation, language, use of objects, etc.) that progressively reduce the patient's autonomy.
Familial forms are the minority and may be caused by a common genetic risk factor between relatives.
www.orpha.net /static/GB/alzheimer_disease.html   (196 words)

  
 Alzheimer disease, early-onset familial definition - Medical Dictionary definitions of popular medical terms
Alzheimer disease, early-onset familial: Alzheimer disease that runs in families and strikes at an unusually early age (with its onset under the age of 60).
About 7% of early-onset cases of Alzheimer's are familial and are inherited in an autosomal dominant manner with high penetrance.
Although familial Alzheimer's disease is responsible for a small minority of cases of Alzheimer's disease, it is important, not only for the families with it, but also for what we can learn about all of Alzheimer's disease from it.
www.medterms.com /script/main/art.asp?articlekey=22931   (306 words)

  
 Psychology   (Site not responding. Last check: 2007-10-16)
Familial Alzheimer's disease appears to affect people at a younger age than Sporadic Alzheimer's disease, the age at onset in some of our families is as young as 35 and there are some cases in the literature where the disease began in the mid-twenties.
Three causative genes for Alzheimer's disease have been identified to date: the APP gene on chromosome 21, the Presenilin-1 (PSEN1) gene on chromosome 14 and the Presenilin-2 (PSEN2) gene on chromosome 1.
If the child inherits the mutation then he/she will develop the disease, and is in turn at risk of passing the gene to their children.
dementia.ion.ucl.ac.uk /DRG_Website/Familial/Familial_fact_sheet.htm   (381 words)

  
 Genetics of Familial Alzheimer'   (Site not responding. Last check: 2007-10-16)
Three causative genes for Alzheimer's disease have been identified to date: the APP gene on chromosome 21, the Presenilin-1 (PS1) gene on chromosome 14 and the Presenilin-2 (PS2) gene on chromosome 1.
Since the APP gene was first identified in 1991 [Reference 1] in a British Family from the Alzheimer disease collection of families at St Mary's and the National Hospitals, a further 8 mutations in the APP gene have been identified.
PS1 was identified in 1995 [Reference 2] and appears to be the commonest causative gene accounting for approximately 60% of familial Alzheimer's disease [Reference 3].
www.uic.edu /orgs/psych/pages/l18/GeneticsofFAD.html   (375 words)

  
 Alzheimer Disease   (Site not responding. Last check: 2007-10-16)
One approach is to see whether late onset Alzheimer Disease may itself be divided into subgroups (similar to early versus late onset).
So as to span the period of risk for Alzheimer Disease with Psychosis, we will recruit subjects with mild cognitive impairment (MCI) who are at high risk for onset of Alzheimer Disease and subjects with possible or probable Alzheimer Disease.
Families will be characterized clinically and blood samples will be collected to establish cell lines.
www.wpic.pitt.edu /research/sweetlab/Alzheimer_Disease.htm   (855 words)

  
 NIH Press Release--Study Implicates Programmed Cell Death in Familial Alzheimer's Disease--12/05/96
Luciano D'Adamio, M.D., Ph.D., chief of the T Cell and Molecular Biology Unit at the National Institute of Allergy and Infectious Diseases (NIAID), and Benjamin Wolozin, M.D., Ph.D., an Alzheimer's disease researcher formerly with the National Institute of Mental Health (NIMH) and now at Loyola, led the collaborative research study.
Alzheimer's disease is the single greatest cause of mental impairment in older people, affecting an estimated 4 million people in the United States.
Familial Alzheimer's disease accounts for up to 10 percent of all cases.
www.nih.gov /news/pr/dec96/niaid-05.htm   (858 words)

  
 Facts: About Genes and Alzheimer's Disease
In familial Alzheimer's disease, a person has inherited an abnormal variation, or mutation, in one of three genes that are known causes of the disease: PS1, PS2, and APP.
Members of the family who do not inherit the mutation are no more likely to get the disease than are other members of the general population.
With regard to late-onset sporadic Alzheimer's disease, consensus statements by professional groups—medical, genetic, and others—agree that APOE testing is not appropriate for individuals with no symptoms of dementia.
www.alzmass.org /factsheets/GeneticsFacts_12-04-03.htm   (1440 words)

  
 Familial Alzheimer's Disease - Disabilities   (Site not responding. Last check: 2007-10-16)
Familial Alzheimer's Disease is an inherited, clinical syndrome characterized by memory loss, thinking disturbances and physical aliments.
If you come from a family with multiple affected family members who develop Alzheimer's disease at ages younger than 65, these mutations can be looked for in samples of blood or other tissues.
Most people with Familial Alzheimer's disease are thought to live about 15-20 years with the disease, but like many other diseases there are many cases that stray from the norm.
maxpages.com /alzheimers - !http://www.maxpages.com/alzheimers   (671 words)

  
 Genetic Testing for Familial Alzheimer's Disease
Alzheimer's disease (AD) is commonly associated with a family history; 40% of patients with AD have at least one other afflicted first-degree relative.
Testing for PS1 mutations is not useful in predicting age of onset (although it is usually similar to age of onset in affected family members), severity, type of symptoms, or rate of progression in asymptomatic individuals.
The utility of apolipoprotein E genotyping in the diagnosis of Alzheimer disease in a community-based case series.
www.regence.com /trgmedpol/lab/lab21.html   (2375 words)

  
 Familial Alzheimer disease at The Medical Dictionary
Familial Alzheimer's disease (FAD) is an uncommon form of Alzheimer's disease that comes on earlier in life (usually between 30 and 60 years of age) and is inherited in an autosomal dominant fashion.
While it only accounts for 5% or less of total Alzheimer's disease, it has presented a useful model in studying various aspects of the disorder.
Alzheimer's disease is perhaps the most important of all the degenerative diseases today because of its frequent occurrence and devastating nature.
the-medical-dictionary.com /familial_alzheimer_disease.htm   (859 words)

  
 Synapshot: New Genes That Cause Familial Alzheimer's Disease   (Site not responding. Last check: 2007-10-16)
Genetic studies of Alzheimer's disease have been very productive of late, promising to provide important insight on the deadly events in the brains of patients it strikes.
Of all cases of the illness, a significant fraction is familial Alzheimer's disease (FAD) with early onset (developing in patients younger than 60), caused by inheritance of defective genes.
As predictors of FAD, the presenilin genes will take a great deal of work: Already, they have shown 25 mutations associated with FAD, two in the PS2 gene, and 23 in the PS1 gene, and 17 of these are "private" mutations --occurring in single families and unlikely to show up in non-relatives.
www.med.harvard.edu /publications/On_The_Brain/Volume5/Number2/Genes.html   (304 words)

  
 Research | Biochemical Basis of Phenotypic Variability in Familial Alzheimer’s Disease   (Site not responding. Last check: 2007-10-16)
The rare, inherited form of Alzheimer’s disease is caused by mutations in one of three genes.
In this investigation, the researchers will examine the properties of beta-amyloid from brains of people with familial Alzheimer’s disease and determine if there is any correlation between variations in these properties and the type of genetic mutation.
This work may lead to a better understanding of the contributing factors in Alzheimer’s disease and help researchers improve the genetically modified mice that are often used in studying the disease.
www.alz.org /research/funded/2005/05USA_Vidal.asp   (312 words)

  
 Alzheimer's Disease
Alzheimer’s Disease (AD) is an irreversible form of dementia characterized by memory loss, a progressive decline in intellectual ability, deteriorating language and speech skills, and by personality and behavioral changes that eventually interfere with daily living.
Alzheimer’s Disease appears to be caused by a variety of factors; although many of the factors are not yet well understood, some have a genetic component.
So far, mutations in these three genes have only been found in a very small number of specific families, and the normal functioning and role of these genes has yet to be determined.
www.labtestsonline.org /understanding/conditions/alzheimers.html   (696 words)

  
 Alzheimer's disease at opensource encyclopedia   (Site not responding. Last check: 2007-10-16)
Inheritance of the ApoE4 gene is regarded as a risk factor for development of disease.
The presence of the APP gene on chromosome 21 is believed to explain the high incidence of AD in patients with Down's syndrome (trisomy 21).
Many increasingly sophisticated diagnostic tests have been proposed (including: brain scans, behavioral tests and testing for genetic predisposition) but these are at present used to identify or rule out possible alternative explanations of the symptoms.
www.wiki.tatet.com /Alzheimer%27s_disease.html   (1254 words)

  
 Familial Alzheimer's disease: Genetic influences on the disease process.
Familial Alzheimer's disease: Genetic influences on the disease process.
Alzheimer's disease (AD) has both genetic and environmental etiologies.
Overall, data support the notion that differences occur in the disease process in etiologically distinct AD groups.
www.alzheimersupport.com /library/showarticle.cfm?ID=594   (261 words)

  
 Early onset familial Alzheimer's disease: Mutation frequency in 31 families -- Janssen et al. 60 (2): 235 -- Neurology
Early onset familial Alzheimer's disease: Mutation frequency in 31 families -- Janssen et al.
Fox, Harvey, and Rossor) and Neurogenetics Section (H. Houlden), Department of Clinical Neurology, Institute of Neurology, and Department of Neurodegenerative Disease (J.A. Beck, T.A. Campbell, A. Dickinson, and J. Collinge), The National Hospital for Neurology and Neurosurgery; and Department of Neurology (Dr. Rossor), St. Mary’s Hospital, London, UK.
UK families with an age at onset (AAO) <61 years.
www.neurology.org /cgi/content/abstract/60/2/235   (607 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.