New WBC Cells Discovered ! ~ helpBIOTECH

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25 April 2017

New WBC Cells Discovered !

Clini India



Scientists have discovered new classes of types of  called dendritic cells and monocytes

Researchers have identified two new dendritic cell subtypes and two monocyte subtypes. They have also discovered a new dendritic cell progenitor.
Wellcome-funded researchers used a technique called single-cell genomics to analyse  in individual human blood cells. Previously, different types of  were investigated and defined by the set of marker proteins that they express on their surface. This new technique is much more powerful and can reveal previously unrecognised and rare cell types that would be otherwise difficult to find.
Dendritic cells display molecules called antigens on their surfaces. These molecules are recognised by T cells which then mount an immune response. Monocytes are the largest type of white blood cell and can develop into macrophages that digest debris in our cells.
Divya Shah, from Wellcome's Infection and Immunobiology team, says: "Two important white blood cell types in our bodies help defend us from infection –  and monocytes. In this study, scientists have used cutting-edge technologies to find that there are many more types of cell than we originally thought. The next step is to find out what each of these cell types do in our immune system, both when we're healthy and during disease."
More information: Alexandra-ChloĆ© Villani et al. Single-cell RNA-seq reveals new types of human blood dendritic cells, monocytes, and progenitors, Science (2017). DOI: 10.1126/science.aah4573

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