The Alzheimer’s Knowledge Base (AlzKB)

The Alzheimer’s Knowledge Base (AlzKB) is an online database that integrates more than 20 different sources of knowledge about genes, pathways, drugs, and diseases to inform AI analyses. It provides comprehensive information on genetic variations related to Alzheimer’s Disease (AD). The database contains single-nucleotide polymorphisms (SNPs) data, insertion data, deletion data, and other genetic variation data. The database was developed by a research team at the University of California, Los Angeles, and is funded by grant R01 AG066833 from the National Institute on Aging (NIA), National Institutes of Health (NIH).

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The Alzheimer’s Disease Genetics Consortium (ADGC)

The Alzheimer’s Disease Genetics Consortium (ADGC) is a collaborative effort that brings together researchers from multiple institutions to study the genetics of Alzheimer’s disease. The primary goal of ADGC is to identify and understand genetic factors that contribute to the risk of developing Alzheimer’s disease and related dementias. By analyzing large-scale genomic data, ADGC aims to uncover genetic variants and mutations associated with the disease, which can lead to a better understanding of the underlying biological mechanisms and potential targets for therapeutic interventions.

The ADGC will provide the most recent and most comprehensive data available. The data sets available are listed on the ADGC Web site (link). These data are QC’ed by members of the ADGC-AC using a uniform process. As noted in the list of cohorts posted on the ADGC web site, some datasets require permission of the PI who contributed the dataset, and it is the responsibility of the SAG PI to seek permission from those PIs to use their data. If requested, imputed data will be provided using the most recent and largest imputation panel (e.g. TOPMed). A minimum phenotype dataset will be provided. If additional phenotypes are needed, the ADGC will work with the investigator to identify and acquire the needed data.

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The Alzheimer’s Disease Neuroimaging Initiative (ADNI)

The Alzheimer’s Disease Neuroimaging Initiative (ADNI) is a longitudinal multicenter study designed to develop clinical, imaging, genetic, and biochemical biomarkers for the early detection and tracking of Alzheimer’s disease (AD). Since its launch more than a decade ago, the landmark public-private partnership has made major contributions to AD research, enabling the sharing of data between researchers around the world.Data from several dementia studies complementary to ADNI are also available through the IDA. These include the DoD-ADNI study, which measures the effects of traumatic brain injury and post-traumatic stress disorder on Alzheimer’s disease in veterans, and the AIBL study (Australian Imaging Biomarkers and Lifestyle Study of Aging).  

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The Australian Imaging Biomarkers & Lifestyle Flagship Study of Ageing (AIBL)

Australian Imaging Biomarkers & Lifestyle Flagship Study of Ageing (AIBL) is a large-scale research initiative to discover which biomarkers, cognitive characteristics, and health and lifestyle factors determine subsequent development of symptomatic Alzheimer’s Disease (AD). It contains prospective longitudinal study of cognition from more than 4.5 years and biomarker, cognitive, clinical, and imaging data of more than 1000 participants including patients with Alzheimer’s Disease (AD), mild cognitive impairment (MCI) and healthy volunteers. Since its launch in 2006, AIBL has been widely used in studies related to  research on early detection of AD, identification of important biomarkers for AD, and new therapies and treatments for AD. The AIBL data are available only to authorized users, but a subset of data (subjects with MR and PET) is available through the ADNI (Alzheimer’s Disease Neuroimaging Initiative).

 

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The European Medical Information Framework for Alzheimer’s Disease (EMIF-AD)

European Medical Information Framework for Alzheimer’s Disease (EMIF-AD) was a collaborative initiative aimed to accelerate Alzheimer’s disease research by providing access to large-scale data resources. It aims to address challenges faced in Alzheimer’s disease research by facilitating data sharing and collaboration among researchers, clinicians, and industry partners. By pooling and harmonizing data from various sources, EMIF-AD aimed to improve understanding of Alzheimer’s disease, identify potential biomarkers, and explore novel therapeutic targets. EMIF-AD includes a variety of data types, such as clinical data, genetic data, biomarker data, and epidemiological data. The project was a part of the broader European Medical Information Framework (EMIF).

The data generated in the context of the EMIF-AD MBD study is available upon request after approval of the research question by all parent cohorts and the EMIF-AD team. Data requests can be submitted via the EMIF-AD Catalogue (https://emif-catalogue.eu).

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The European Prevention of Alzheimer’s Dementia Consortium (EPAD)

The European Prevention of Alzheimer’s Dementia Consortium (EPAD) is a unique and ground-breaking European initiative to streamline the testing and development of preventative treatments for Alzheimer’s disease. The EPAD project was part of the Innovative Medicines Initiative (IMI), a joint undertaking between the European Union and the European Federation of Pharmaceutical Industries and Associations, EFPIA. EPAD funding from IMI came to an end in October 2020. It was the largest ever public-private partnership in Alzheimer’s disease research, combining knowledge and expertise from 39 organizations across multiple sectors.

To access the data, users will need to make an online request via the Alzheimer’s Disease Workbench of the Alzheimer’s Disease Data Initiative (ADDI).

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The Gene Ontology Resource

The Gene Ontology (GO) knowledgebase is the world’s largest source of information on the functions of genes. This knowledge is both human-readable and machine-readable, and is a foundation for computational analysis of large-scale molecular biology and genetics experiments in biomedical research.

 

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The Global Alzheimer’s Association Interactive Network (GAAIN)

The Global Alzheimer’s Association Interactive Network (GAAIN) has developed the first operational online integrated research platform, which links scientists, shared data, and sophisticated analysis tools. Investigators can address scientific questions of unprecedented complexity by accessing massive shared data sets and can share their own data by joining our global network of Alzheimer’s disease study centers. The database contains clinical data, such as participants’ medical history, cognitive assessment, and demographic details, neuroimaging data, including MRI and PET, genetic data, such as DNA sequencing, Neuropathological data, and longitudinal data. The database is powered by the Laboratory of Neuro Imaging (LONI) at the University of Southern California.

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The Health and Retirement Study (HRS)

The University of Michigan Health and Retirement Study (HRS) is a longitudinal panel study that surveys a representative sample of more than 20,000 people over the age of 50 in America. This study has collected data including information about health status, chronic conditions, cognitive function, financial conditions, employment history, retirement, and social factors. It has been widely used not only by academic research studying aging but also by advocacy support groups and policymaker agencies. The study has been conducted by the University of Michigan since 1992 and is supported by the National Institute on Aging (NIH) and the Social Security Administration. 

 

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