Unknown,Transcriptomics,Genomics,Proteomics

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Microarray profiling of polyploid macrophage progeny


ABSTRACT: To explore how bacterial lipoproteins (i.e. TLR2 ligands) increased macrophage ploidy via mitotic defects, we performed global analysis of cell cycle gene expression changes induced by bacterial lipoproteins. FSL-1 (Pam2CGDPKHPKSF) is a synthetic lipoprotein that represents the N-terminal part of the 44-kDa lipoprotein LP44 of Mycoplasma salivarium. Bone marrow was cultured for 5 days with macrophage colony-stimulating factor (M-CSF), adherent cells were then collected, re-plated and treated either with M-CSF or with M-CSF and FSL-1 for 0, 3, 6 days. The following cell populations were analyzed:
-Day 0: After bone marrow culture for 5 days with M-CSF, adherent cells were collected and analyzed.
-Day 3, M-CSF: Bone marrow was cultured for 5 days with M-CSF, adherent cells were then collected, re-plated and treated with M-CSF for 3 days. Adherent cells were collected and analyzed.
-Day 3, FSL-1: Bone marrow was cultured for 5 days with M-CSF, adherent cells were then collected, re-plated and treated with M-CSF and FSL-1 for 3 days. Adherent cells were collected and analyzed.
-Day 6, M-CSF: Bone marrow was cultured for 5 days with M-CSF, adherent cells were then collected, re-plated and treated with M-CSF for 6 days. Adherent cells were collected and analyzed.
-Day 6, FSL-1: Bone marrow was cultured for 5 days with M-CSF, adherent cells were then collected, re-plated and treated with M-CSF and FSL-1 for 6 days. Adherent cells, containing polyploid macrophages, were collected and analyzed.

ORGANISM(S): Mus musculus

SUBMITTER: Antigoni Triantafyllopoulou 

PROVIDER: E-MTAB-5085 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

DNA Damage Signaling Instructs Polyploid Macrophage Fate in Granulomas.

Herrtwich Laura L   Nanda Indrajit I   Evangelou Konstantinos K   Nikolova Teodora T   Horn Veronika V   Sagar   Erny Daniel D   Stefanowski Jonathan J   Rogell Leif L   Klein Claudius C   Gharun Kourosh K   Follo Marie M   Seidl Maximilian M   Kremer Bernhard B   Münke Nikolas N   Senges Julia J   Fliegauf Manfred M   Aschman Tom T   Pfeifer Dietmar D   Sarrazin Sandrine S   Sieweke Michael H MH   Wagner Dirk D   Dierks Christine C   Haaf Thomas T   Ness Thomas T   Zaiss Mario M MM   Voll Reinhard E RE   Deshmukh Sachin D SD   Prinz Marco M   Goldmann Torsten T   Hölscher Christoph C   Hauser Anja E AE   Lopez-Contreras Andres J AJ   Grün Dominic D   Gorgoulis Vassilis V   Diefenbach Andreas A   Henneke Philipp P   Triantafyllopoulou Antigoni A  

Cell 20161027 5


Granulomas are immune cell aggregates formed in response to persistent inflammatory stimuli. Granuloma macrophage subsets are diverse and carry varying copy numbers of their genomic information. The molecular programs that control the differentiation of such macrophage populations in response to a chronic stimulus, though critical for disease outcome, have not been defined. Here, we delineate a macrophage differentiation pathway by which a persistent Toll-like receptor (TLR) 2 signal instructs p  ...[more]

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