Human Protein Atlas

Last updated
Human Protein Atlas
The Human Protein Atlas.png
Content
DescriptionThe Human Protein Atlas portal is a publicly available database with millions of high-resolution images showing the spatial distribution of proteins in normal human tissues and different cancer types, as well the sub cellular localisation in single cells.
Organisms Human
Contact
Research center KTH, UU, SciLifeLab, Sweden
Primary citation Uhlén M, et al. (January 2015). "Proteomics. Tissue-based map of the human proteome". Science. 347 (6220): 1260419. doi:10.1126/science.1260419. PMID   25613900. S2CID   802377.
Access
Website www.proteinatlas.org
Download URL www.proteinatlas.org/about/download
Tools
Web Advanced search, bulk retrieval/download
Miscellaneous
Versioning Yes
Data release
frequency
12 months
Version23
Curation policyYes – manual
Bookmarkable
entities
Yes – both individual protein entries and searches

The Human Protein Atlas (HPA) is a Swedish-based program started in 2003 with the aim to map all the human proteins in cells, tissues and organs using integration of various omics technologies, including antibody-based imaging, mass spectrometry-based proteomics, transcriptomics and systems biology. All the data in the knowledge resource is open access to allow scientists both in academia and industry to freely access the data for exploration of the human proteome. In June 2023, version 23 was launched where a new Interaction section was introduced containing human protein-protein interaction networks for more than 11,000 genes that will add new aspects in terms of protein function.

Contents

The resource now includes twelve separate sections with complementary information about all human proteins. All data has been updated on the approximately 5 million individual web pages. The Human Protein Atlas program has already contributed to several thousands of publications in the field of human biology and disease and was selected by the organization ELIXIR as a European core resource due to its fundamental importance for a wider life science community. The HPA consortium is funded by the Knut and Alice Wallenberg Foundation.

Twelve sections

The Human Protein Atlas consists of twelve sections:

Additional features

In addition to the twelve sections of HPA, exploring gene and protein expression, there are various features available at the HPA website to assist the research community, including integrated external resources, such as Metabolic Atlas, educational material and free downloadable data.

History

The Human Protein Atlas program was started in 2003 and funded by the non-profit organization Knut and Alice Wallenberg Foundation (KAW). The main site of the project is the Royal Institute of Technology (KTH), School of Engineering Sciences in Chemistry, Biotechnology and Health (Stockholm, Sweden). Additionally, the project involves research groups at Uppsala University, Karolinska Institutet, Chalmers University of Technology and Lund University, as well as several present and past international collaborations initiated with research groups in Europe, the United States, South Korea, China, and India. Professor Mathias Uhlén is the director of the program.

The research underpinning the start of the exploration of the whole human proteome in the Human Protein Atlas program was carried out in the late 1990s and early 2000s. A pilot study employing an affinity proteomics strategy using affinity-purified antibodies raised against recombinant human protein fragments was carried out for a chromosome-wide protein profiling of chromosome 21. [10] Other projects were also carried out to establish processes for parallel and automated affinity purification of mono-specific antibodies and their validation. [11] [12]

Research

Antibodies and antigens, produced in the Human Protein Atlas workflow, are used in research projects to study potential biomarkers in various diseases, such as breast cancer, prostate cancer, colon cancer, diabetes, autoimmune diseases, ovarian cancer and renal failure. [13] [14] [15] [16] [17] [18]

Researchers involved with Human Protein Atlas projects, are sharing protocols and method details in an open-access group on protocols.io. [19] A large effort is put into validating the antibody reagents used for profiling of tissues and cells, and the HPA has implemented stringent antibody validation criteria as suggested by the International Working Group for Antibody Validation (IWGAV). [20] [21] [22]

Collaborations

The Human Protein Atlas program has participated in 9 EU research projects ENGAGE, PROSPECTS, BIO_NMD, AFFINOMICS, CAGEKID, EURATRANS, ITFoM, DIRECT and PRIMES.

See also

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<span class="mw-page-title-main">Caspase 14</span> Protein-coding gene in the species Homo sapiens

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The secretome is the set of proteins expressed by an organism and secreted into the extracellular space. In humans, this subset of the proteome encompasses 13-20% of all proteins, including cytokines, growth factors, extracellular matrix proteins and regulators, and shed receptors. The secretome of a specific tissue can be measured by mass spectrometry and its analysis constitutes a type of proteomics known as secretomics.

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Mathias Uhlén is a Swedish scientist and Professor of Microbiology at Royal Institute of Technology (KTH), Stockholm. After a post-doc period at the EMBL in Heidelberg, Germany, he became professor in microbiology at KTH in 1988. His research is focused on protein science, antibody engineering and precision medicine and range from basic research in human and microbial biology to more applied research, including clinical applications. He is member of several academies and societies, including Royal Swedish Academy of Science (KVA), National Academy of Engineering (NAE) and the Swedish Academy of Engineering Science (IVA). Dr Uhlen was the Founding Director of the national infrastructure Science for Life Laboratory (SciLifeLab) from 2010-2015

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References

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