RNA-seq of mouse common lymphoid progenitors, innate lymphoid cell progenitors and NK cell progenitors
Ontology highlight
ABSTRACT:
INSTRUMENT(S): NextSeq 500
ORGANISM(S): Mus musculus
SUBMITTER: Jonas Søndergaard
PROVIDER: E-MTAB-9560 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
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Project description:In order to understand the developmental trajectories of early lymphocyte development it is crucial to prospectively isolate stage and lineage specific cells. It has become clear that early lymphoid progenitor compartments in the bone marrow are molecularly and functionally heterogeneous which warrants further investigation to refine the marker combinations used to isolate these progenitors. An initial antibody screen revealed extensive surface marker heterogeneity amongst early lymphoid progenitors. This heterogeneity was resolved using single cell gene expression assays and single cell in vitro differentiation assays, identifying marker combinations that isolate functionally distinct populations. In addition, using reporter transgenic mice we were able to identify a set of surface markers that can be used alone or in combination with classical targets to identify specific stages of B-cell development. B-cell stages based on transgene expression which were used for screening purposes were verified by RNASeq. The data provides a greater resolution of the complexity of the lymphoid progenitor compartment within the bone marrow than has been understood to date and provides novel tools for the further identification of cell populations in B-lineage development. qPCR gene expression profiling of mouse common lymphoid progenitors (CLPs). Four 96-well plates with pre-amplified single CLP bone marrow cell cDNA (with 10 and 20 cell controls) were loaded on to a 96.96 Dynamic Array Chip for Gene Expression. Samples Ids follow where SS<X> denotes well ID, and P<X>denoted the plate. Controls include well where no RT is performed (noRT) and 10 and 20 cell controls.
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Project description:Innate lymphoid cells (ILCs) are recently identified lymphocytes that limit infection and promote tissue repair at mucosal surfaces. However, the pathways underlying ILC development remain unclear. Here we show that the transcription factor NFIL3 directs the development of a committed bone marrow precursor that differentiates into all known ILC lineages. NFIL3 was required in the common lymphoid progenitor (CLP), and was essential for the differentiation of CLP, a bone marrow cell population that gives rise to all known ILC lineages. Clonal differentiation studies revealed that CXCR6+ cells within the CLP population differentiate into all ILC lineages but not T- and B-cells. We further show that NFIL3 governs ILC development by directly regulating expression of the transcription factor TOX. These findings establish that NFIL3 directs the differentiation of a committed ILC precursor that gives rise to all ILC lineages and provide insight into the defining role of NFIL3 in ILC development. This experiment is to compare gene expression profiles between wild-type and Nfil3-/- common lymphoid progenitor (CLP) cells to identify genes regulated by NFIL3. There are 6 samples in this experiment, including 3 biological replicates for wild-type CLPs and 3 biological replicates for Nfil3-/- CLPs. All mice used are on the C57BL/6 background.
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Project description:Natural killer (NK) cells represent one of three lymphoid lineages and play a vital role in controlling viral infections and cancer. In contrast to B and T lymphopoiesis where cellular and regulatory pathways have been extensively characterized, the cellular stages of early human NK-cell commitment remain poorly understood Here we described a novel NK-lineage restricted progenitor (NKP) in fetal development, umbilical cord blood and adult bone marrow. We used microarrays to detail the global programme of gene expression genes of this new progenitor. Global gene expression analysis was performed on the NKP, multipotent progenitors LMPP, common lymphoid progenitor candidate and mature NK cells purified from Cord blood CD34+ cells (3-4 replicates, 2 experiments)
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Project description:Runx/Cbfb heterodimers play important roles in the development of hematopoietic cells in mouse embryos and adults. In order to identify genes that are regulated by Runx/Cbfb, we purified Lin– c-kit+ Sca1+ (LSK) cells and Lin– c-kit+ Sca1– CD16/32+ (GMP) cells from Vav1-iCre x Cbfb(F/F) and Vav1-iCre x Cbfb(F/+) mice and profiled gene expression using microarray. 200,000 LSK and GMP cells were purified separately from two 7 week old Vav1-iCre x Cbfb(F/F) mice and two Vav1-iCre x Cbfb(F/+) mice by cell sorting. The purity was higher than 98%. Total RNA was extracted using the NucleoSpin RNA XS kit (Macherey-Nagel), amplified using a PicoSL RNA amplification kit (Nugen) and biotinylated with Encore biotin module (Nugen). Labeled RNA was hybridized to Mouse Gene 1.0ST microarrays (Affymetrix) according to the manufacturer’s instruction.
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Project description:RNA-seq of mouse common lymphoid progenitors, innate lymphoid cell progenitors and NK cell progenitors
| PRJEB40258 | ENA
Project description:Runx/Cbfb heterodimers play important roles in the development of hematopoietic cells in mouse embryos and adults. In order to identify genes that are regulated by Runx/Cbfb, we purified Lin– c-kit+ Sca1+ (LSK) cells and Lin– c-kit+ Sca1– CD16/32+ (GMP) cells from Vav1-iCre x Cbfb(F/F) and Vav1-iCre x Cbfb(F/+) mice and profiled gene expression using microarray.
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Project description:Innate lymphoid cells (ILCs) play strategic roles in tissue homeostasis and immunity. ILCs arise from lymphoid progenitors undergoing lineage restriction leading to the development of specialised ILC subsets. We generated ‘5x polychromILC’ compound transcription factor reporter mice to delineate ILC precursor states by revealing the multifaceted expression of key ILC-associated transcription factors (Id2, Bcl11b, Gata3, Rorc(γt) and Rora) during ILC development in the bone marrow. This approach allowed previously unattained enrichment of rare progenitor subsets and revealed hitherto unappreciated ILC precursor heterogeneity. In vivo and in vitro assays identified novel precursors with potential to generate all ILC subsets and natural killer cells, and also permitted discrimination of elusive ILC3 bone marrow antecedents. Single cell gene expression analysis identified a discrete ILC2-committed population and delineated transition states between early progenitors and a highly heterogeneous ILC1/3/NK precursor cell cluster. This diversity may facilitate greater lineage potential upon progenitor recruitment to peripheral tissues.
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