Human Cell Atlas
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The Human Cell Atlas is a global project to describe all
cell Cell most often refers to: * Cell (biology), the functional basic unit of life * Cellphone, a phone connected to a cellular network * Clandestine cell, a penetration-resistant form of a secret or outlawed organization * Electrochemical cell, a de ...
types in the
human body The human body is the entire structure of a Human, human being. It is composed of many different types of Cell (biology), cells that together create Tissue (biology), tissues and subsequently Organ (biology), organs and then Organ system, org ...
, to understand human health and for diagnosing, monitoring, and treating disease. The initiative was announced by a
consortium A consortium () is an association of two or more individuals, companies, organizations, or governments (or any combination of these entities) with the objective of participating in a common activity or pooling their resources for achieving a ...
after its inaugural meeting in
London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
in October 2016, which established the first phase of the project.
Aviv Regev Aviv Regev (Hebrew language, Hebrew: אביב רגב; born 11 July 1971) is a computational biologist and systems biologist and Executive Vice President and Head of Genentech Research and Early Development in Genentech/Roche. She is a core membe ...
and
Sarah Teichmann Sarah Amalia Teichmann (born 15 April 1975) is a German scientist, the former head of cellular genetics at the Wellcome Sanger Institute and a visiting research group leader at the European Bioinformatics Institute (EMBL-EBI). She serves as direc ...
defined the goals of the project at that meeting, which was convened by the
Broad Institute The Eli and Edythe L. Broad Institute of MIT and Harvard (IPA: , pronunciation respelling: ), often referred to as the Broad Institute, is a biomedical and genomic research center located in Cambridge, Massachusetts, United States. The institu ...
, the
Wellcome Trust Sanger Institute The Wellcome Sanger Institute, previously known as The Sanger Centre and Wellcome Trust Sanger Institute, is a non-profit organisation, non-profit British genomics and genetics research institute, primarily funded by the Wellcome Trust. It is l ...
and
Wellcome Trust The Wellcome Trust is a charitable foundation focused on health research based in London, United Kingdom. It was established in 1936 with legacies from the pharmaceutical magnate Henry Wellcome (founder of Burroughs Wellcome, one of the predec ...
. Regev and Teichmann lead the project. As of 2024, the project has mapped approximately 62 million human cells into 18
biological network A biological network is a method of representing systems as complex sets of binary interactions or relations between various biological entities. In general, networks or graphs are used to capture relationships between entities or objects. A typ ...
s, which includes cells from vital systems such as the nervous system, lungs, heart, intestine and immune system.


Description

The Human Cell Atlas will catalogue a cell based on several criteria, specifically the
cell type A cell type is a classification used to identify cells that share morphological or phenotypical features. A multicellular organism may contain cells of a number of widely differing and specialized cell types, such as muscle cells and skin cell ...
, its state, its location in the body, the transitions it undergoes, and its lineage. It will gather data from existing research, and integrate it with data collected in future research projects. Among the data it will collect is the fluxome,
genome A genome is all the genetic information of an organism. It consists of nucleotide sequences of DNA (or RNA in RNA viruses). The nuclear genome includes protein-coding genes and non-coding genes, other functional regions of the genome such as ...
,
metabolome The metabolome refers to the complete set of small-molecule chemicals found within a biological sample. The biological sample can be a cell, a cellular organelle, an organ, a tissue, a tissue extract, a biofluid or an entire organism. The ...
,
proteome A proteome is the entire set of proteins that is, or can be, expressed by a genome, cell, tissue, or organism at a certain time. It is the set of expressed proteins in a given type of cell or organism, at a given time, under defined conditions. P ...
, and
transcriptome The transcriptome is the set of all RNA transcripts, including coding and non-coding, in an individual or a population of cells. The term can also sometimes be used to refer to all RNAs, or just mRNA, depending on the particular experiment. The ...
. Its scope is to categorize the 37 trillion cells of the human body to determine which genes each cell expresses by sampling cells from all parts of the body. All aspects of the project will be made "available to the public for free", including software and results. By April 2018, the project included more than 480 researchers conducting 185 projects.


Funding

In October 2017, the
Chan Zuckerberg Initiative The Chan Zuckerberg Initiative (CZI) is an organization established and owned by Facebook founder Mark Zuckerberg and his wife Priscilla Chan with an investment of 99 percent of the couple's wealth from their Facebook shares over their lifetim ...
announced funding for 38 projects related to the Human Cell Atlas. Among them was a grant of undisclosed value to the Zuckerman Institute of the
Columbia University Medical Center Columbia University Irving Medical Center (CUIMC) is the academic medical center of Columbia University and the largest campus of NewYork-Presbyterian Hospital. The center's academic wing consists of Columbia's colleges and schools of Physicia ...
at
Columbia University Columbia University in the City of New York, commonly referred to as Columbia University, is a Private university, private Ivy League research university in New York City. Established in 1754 as King's College on the grounds of Trinity Churc ...
. The grant, titled "A strategy for mapping the human spinal cord with single cell resolution", will fund research to identify and catalogue
gene In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. The molecular gene is a sequence of nucleotides in DNA that is transcribed to produce a functional RNA. There are two types of molecular genes: protei ...
activity in all
spinal cord The spinal cord is a long, thin, tubular structure made up of nervous tissue that extends from the medulla oblongata in the lower brainstem to the lumbar region of the vertebral column (backbone) of vertebrate animals. The center of the spinal c ...
cells. The Translational Genomics Research Institute received a grant to develop a standard for the "processing and storage of solid tissues for single-cell RNA sequencing", compared to the typical practice of relying on the average of sequencing multiple cells. Project home pages are available at the Chan Zuckerberg Initiative's website.from https://www.czbiohub.org/tabula-projects/ The program is also backed by
European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
, the
National Institutes of Health The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research. It was founded in 1887 and is part of the United States Department of Health and Human Service ...
in the United States, and the Manton Foundation.


Data

In April 2018, the first data set from the project was released, representing 530,000 immune system cells collected from
bone marrow Bone marrow is a semi-solid biological tissue, tissue found within the Spongy bone, spongy (also known as cancellous) portions of bones. In birds and mammals, bone marrow is the primary site of new blood cell production (or haematopoiesis). It i ...
and
cord blood Cord blood (umbilical cord blood) is blood that remains in the placenta and in the attached umbilical cord after childbirth. Cord blood is collected because it contains stem cells, which can be used to treat hematopoietic and genetic disorders ...
. A research program at the
Max Planck Institute of Immunobiology and Epigenetics The Max Planck Institute of Immunobiology and Epigenetics (German language, German: ''Max-Planck-Institut für Immunbiologie und Epigenetik'') in Freiburg im Breisgau, Freiburg, Germany is an interdisciplinary research institute that conducts bas ...
published an atlas of the cells of the
liver The liver is a major metabolic organ (anatomy), organ exclusively found in vertebrates, which performs many essential biological Function (biology), functions such as detoxification of the organism, and the Protein biosynthesis, synthesis of var ...
, using single-cell RNA sequencing on 10,000 normal cells obtained from nine donors. Th
Tabula Sapiens
data was published on a dedicated website.


See also

*
List of distinct cell types in the adult human body The list of human cell types provides an enumeration and description of the various specialized cells found within the human body, highlighting their distinct functions, characteristics, and contributions to overall physiological processes. Cell ...
*
ENCODE The Encyclopedia of DNA Elements (ENCODE) is a public research project which aims "to build a comprehensive parts list of functional elements in the human genome." ENCODE also supports further biomedical research by "generating community resourc ...
- Encyclopedia of DNA Elements (ENCODE) *
Human Genome Project The Human Genome Project (HGP) was an international scientific research project with the goal of determining the base pairs that make up human DNA, and of identifying, mapping and sequencing all of the genes of the human genome from both a ...
*
Human Protein Atlas 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 spectrometr ...
* Human Biomolecular Atlas Program


Notes


References

* * * * * * * * * * * * * *


Further reading

*


External links

* * * * * * *{{Cite magazine, url=https://www.theatlantic.com/science/archive/2016/10/a-google-maps-for-the-human-body/504002/, title=A Google Maps for the human body, last=Yong, first=Ed, magazine=
The Atlantic ''The Atlantic'' is an American magazine and multi-platform publisher based in Washington, D.C. It features articles on politics, foreign affairs, business and the economy, culture and the arts, technology, and science. It was founded in 185 ...
, date=14 October 2016, access-date=4 October 2017 Biological databases Proteomics Online databases