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TISSUENEU

Role of infiltrating neutrophils in tissue homeostasis

Total Cost €

0

EC-Contrib. €

0

Partnership

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Project "TISSUENEU" data sheet

The following table provides information about the project.

Coordinator
CENTRO NACIONAL DE INVESTIGACIONESCARDIOVASCULARES CARLOS III (F.S.P.) 

Organization address
address: CALLE MELCHOR FERNANDEZ ALMAGRO 3
city: MADRID
postcode: 28029
website: www.cnic.es

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Spain [ES]
 Project website http://www.cnic.es
 Total cost 158˙121 €
 EC max contribution 158˙121 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-05-01   to  2019-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRO NACIONAL DE INVESTIGACIONESCARDIOVASCULARES CARLOS III (F.S.P.) ES (MADRID) coordinator 158˙121.00

Map

 Project objective

Neutrophils follow daily cycles of release from and migration back into the bone marrow, where they are eliminated. After searching for the presence of neutrophils across multiple tissues of healthy mice under steady state, my host laboratory found neutrophils in most of the tissue analyzed. These findings require the study of the role of neutrophils in their tissue of destination. Several studies have shown that neutrophil clearance might be a significant source of homeostatic signals able to functionally modulate the tissues and organs where they are eliminated. In addition, specific functions for neutrophils in the spleen have already been described. I hypothesize that neutrophils may have important roles for the homeostasis and functioning of the tissues that they infiltrate, and that they acquire tissue-specific phenotypes that favor their local functions.

To understand neutrophil homeostatic functions within the tissue, I will first characterize the transcriptome of 7 different subsets of neutrophils population from intestine, lung, muscle, skin, spleen, blood and bone marrow by RNA-sequencing. In addition, to investigate weather neutrophil heterogeneity within the tissues is a stochastic or a tissue-educated mechanism I will perform single cell RNA sequencing (sc-RNA-seq) of blood neutrophils to characterize the presence of a neutrophil tissue-specific signature in the blood. Moreover, I will combine next generation sequencing techniques with the use of different transgenic mouse models to uncover tissue specific regenerative functions of neutrophils in the skeletal muscle and the skin.

Results obtained in this proposal aim to challenge the classical conception about neutrophils as a homogenous population of terminally differentiated cells with functions restricted to inflammation and to explore their hetroogeneity and expand our knowledge about their specific functions during tissue homeostasis.

 Publications

year authors and title journal last update
List of publications.
2018 Maria Casanova-Acebes, José A. Nicolás-Ávila, Jackson LiangYao Li, Susana García-Silva, Akhila Balachander, Andrea Rubio-Ponce, Linnea A. Weiss, José M. Adrover, Kyle Burrows, Noelia A-González, Ivan Ballesteros, Sapna Devi, Juan A. Quintana, Georgiana Crainiciuc, Magdalena Leiva, Matthias Gunzer, Christian Weber, Takashi Nagasawa, Oliver Soehnlein, Miriam Merad, Arthur Mortha, Lai Guan Ng,
Neutrophils instruct homeostatic and pathological states in naive tissues
published pages: 2778-2795, ISSN: 0022-1007, DOI: 10.1084/jem.20181468
The Journal of Experimental Medicine 215/11 2019-09-25

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