Zebrafish adult skin mpeg+ cells
Ontology highlight
ABSTRACT:
ORGANISM(S): Danio rerio
PROVIDER: GSE149788 | GEO | 2020/05/05
REPOSITORIES: GEO
Similar Datasets
Project description:Metaphocytes are tissue-resident myeloid-like cells of non-hematopoietic origin in zebrafish barrier tissues. How metaphocytes acquire myeloid cell properties from non-hematopoietic precursors during the development remains unknown. Here we show that metaphocytes are in situ generated from local progenitors guided by the ETS transcription factor Spic. Tg(spic:EGFP) transgenic fish were found to label both metaphocytes and their progenitor cells. To reveal the genetic programs underlying the development of metaphocytes, we performed single-cell RNA sequencing analysis of spic:GFP+ cells in the epidermis of adult Tg(spic:EGFP) fish. The result further supports that mature metaphocytes are generated from spic+ progenitors via an intermediate immature state and gradually obtain their myeloid characteristics during this process.
2023-04-08 | GSE228737 | GEO
Project description:We used zebrafish lacking functional csf1r or il34 to unravel how and when csf1r is necessary for macrophages. Transcriptomic analysis of mpeg+ macrophages isolated from juvenile fish revealed that csf1r deficient macrophages show a gross macrophage transcriptome, but reduced expression of engulfment related genes and increased expression of genes typical for metaphocytes.
2020-05-05 | GSE149787 | GEO
Project description:Metaphocytes are tissue-resident myeloid-like cells of non-hematopoietic origin in zebrafish barrier tissues. How metaphocytes acquire myeloid cell properties from non-hematopoietic precursors during the development remains unknown. Here we show that metaphocytes are in situ generated from local progenitors guided by the ETS transcription factor Spic. Tg(spic:EGFP) transgenic fish were found to label both metaphocytes and their progenitor cells. While spic is dispensable for the formation of the metaphocyte progenitors, it is required for the progenitors to differentiate into immature metaphocytes. To decipher the molecular basis underlying the developmental arrest of metaphocytes in spic mutants, we sorted the metaphocyte progenitor cells from the epidermis and gill of the mutants and siblings and performed bulk RNA-seq analysis. The data suggests that Spic orchestrates the development of metaphocytes by promoting the expression of myeloid-associated genes, either directly or indirectly through downstream transcription factors.
2023-04-08 | GSE228732 | GEO
Project description:Rainbow trout (Oncorhynchus mykiss) is an important aquaculture fish species that is farmed worldwide, and it is also the most widely cultivated cold water fish in China. This species, a member of the salmonidae family, is an ideal model organism for studying the immune system in fish. Two phenotypes of rainbow trout are widely cultured; wild-type rainbow trout with black skin (WR_S) and yellow mutant rainbow trout with yellow skin (YR_S). Fish skin is an important immune organ, however, little is known about the differences in skin immunity between WR_S and YR_S in a natural flowing water pond aquaculture environment, and very few studies were conducted to investigate the ceRNA mechanism for fish skin.
2021-08-17 | GSE181974 | GEO
Project description:In order to have a comprehensive understanding of endoderm derived mpeg1+ cells in zebrafish gill and intestine, we isolated endoderm-derived GFP+ cells and remaining DsRedx+ cells (hematopoiesis-derived macrophages) from the gill (sox17_gill_GFP, sox17_gill_DsRedx) and intestine (sox17_intestine_GFP, sox17_intestine_DsRedx) of 4-OHT treated Tg(sox17:CreERT2;mpeg1:loxP-DsRedx-loxP-GFP) fish and performed RNA-seq. Both T-SNE analysis and feature gene comparison indicate that the endoderm-derived mpeg1+ cells in the gill and intestine are highly similar to the metaphocytes in the epidermis. We hence also refer to these endoderm-derived mpeg1+ cells as metaphocytes.
2020-11-24 | GSE155287 | GEO
Project description:Macrophage colony-stimulating factor receptor (M-CSFR/CSF1R) signaling is crucial for the differentiation, proliferation, and survival of myeloid cells. Therapeutic targeting of the CSF1R pathway is a promising strategy in many human diseases, including neurological disorders or cancer. Zebrafish are commonly used for human disease modeling and preclinical therapeutic screening. Therefore, it is necessary to understand the proper function of cytokine signaling in zebrafish to reliably model human-related diseases. Here, we investigate the roles of zebrafish csf1ra and csf1rb in adult myelopoiesis using single-cell RNA sequencing. Our analysis of adult whole kidney marrow (WKM) hematopoietic cells suggests that csf1rb is expressed mainly by blood and myeloid progenitors and that the expression of csf1ra and csf1rb is non-overlapping. We point out differentially expressed genes important in hematopoietic cell differentiation and immune response in selected WKM populations. Our findings could improve the understanding of myeloid cell function and lead to the further study of CSF1R pathway deregulation in disease, mostly in cancerogenesis.
2021-04-24 | E-MTAB-10360 | biostudies-arrayexpress
Project description:<p>We are studying the natural history, pathogenesis and treatment of patients with WHIM syndrome, an immunodeficiency disorder characterized by warts, hypogammaglobulinemia, recurrent infections and neutropenia usually due to autosomal dominant gain-of-function mutations in chemokine receptor <i>CXCR4</i>. We have identified a patient born with WHIM syndrome and the WHIM mutation <i>CXCR4<sup>R334X</sup></i> who has been disease-free for 20 years and who lacks <i>CXCR4<sup>R334X</sup></i> in myeloid cells, the cells that drive disease manifestations. She is a genetic and hematopoietic mosaic, since she still has the mutation in lymphoid cells and non-hematopoietic cells. Cytogenetics and microarray analysis revealed that the mechanism of loss of the mutation was deletion of the mutant allele from one copy of chromosome 2. Whole genome sequencing of patient neutrophil and skin fibroblast genomic DNA revealed that the mechanism of deletion was chromothripsis, a process of chromosome shattering resulting in deletions and rearrangements of the non-deleted chromosomal segments. In the patient, this process evidently occurred in a single hematopoietic stem cell (HSC), resulting in deletion of the disease allele <i>CXCR4<sup>R334X</sup></i> and one copy of 163 other genes on chromosome 2. This HSC evidently acquired a growth advantage and repopulated the HSC population and the myeloid lineage. Consistent with this, studies using gene targeted mice in competitive bone marrow transplantation experiments revealed that selective <i>Cxcr4</i> haploinsufficiency (inactivation of one copy of <i>Cxcr4</i> and not of any other genes) was sufficient to confer a strong engraftment advantage over bone marrow cells from wild type mice as well as bone marrow cells from a mouse model of WHIM syndrome. These results suggest that <i>CXCR4</i> knockdown may be a useful strategy to enhance bone marrow engraftment in the absence of toxic bone marrow conditioning regimens.</p>
| phs000856 | dbGaP
Project description:Ichthyophthirius multifiliis is a ciliated protozoan parasite recognized as one of the most pathogenic diseases of wild and cultured freshwater fish. Fish skin mucus plays a significant role against invading pathogens. However, the protein-based modulation against infection with I. multifiliis, of host fish at this barrier is unknown. The aim of this study was to investigate the modulation of the skin mucus after infection with I. multifiliis using quantitative proteomics to provide insights into the post-transcriptional and post-translational regulation of skin mucus proteins. Thus, we investigated the skin mucus proteome of common carp (Cyprinus carpio) using a shotgun proteomic approach at days 1 and 9 after I. multifiliis exposure.
2018-11-14 | PXD011148 | Pride
Project description:Forced sustained swimming exercise at optimal speed enhances growth in many fish species, particularly through hypertrophy of the white skeletal muscle. The exact mechanism of this effect has not been resolved yet. To explore the mechanism, we first subjected wild-type zebrafish to an exercise protocol validated for exercise-enhanced growth, and showed that exercised zebrafish, which indeed showed enhanced growth, had higher cortisol levels than the non-exercised controls. A central role was therefore hypothesized for the steroid hormone cortisol acting through the Glucocorticoid receptor (Gr). Second, we subjected wild-type zebrafish and zebrafish with a mutant Gr to exercise at optimal, suboptimal and super-optimal speeds and compared them with non-exercised controls. Exercised zebrafish showed growth enhancement at all speeds, with highest growth at optimal speeds. In the Gr mutant fish, exercise resulted in growth enhancement similar to wild-type zebrafish, indicating that cortisol cannot be considered as a main determinant of exercise-enhanced growth. Finally, the transcriptome of white skeletal muscle tissue was analysed by RNA sequencing. The results of this analysis showed that in the muscle tissue of Gr mutant fish a lower number of genes is regulated by exercise than in wild-type fish (183 versus 351). A cluster of 36 genes was regulated by exercise in both wild-type and mutant fish. In this cluster, genes involved in transcriptional regulation and protein ubiquitination were overrepresented. Since growth was enhanced similarly in both wild-type fish and mutants, these processes may play an important role in exercise-enhanced growth.
2019-02-05 | GSE120253 | GEO
Project description:The discus fish, Symphysodon spp., a South American cichlid, has a unique parental care behavior where fry bite on parental skin mucus after hatching. In this study, we used LC-MS/MS technique to compare the skin mucus proteome composition of male or female discus fish during parental and non-parental care periods. By multivariate statistical analysis, we found clear separations between different periods and between different sexes of mucus proteome. Compared with non-parental female fish, parental female fish had 283 up-regulated and 235 down-regulated expressed proteins. Compared with non-parental male fish, parental male fish had 169 up-regulated and 120 down-regulated expressed proteins. The differentially expressed proteins for male fish were enriched in sulfur relay system, mucin type O-glycan biosynthesis and antigen processing and presentation pathways, while those for female fish were enriched in sulfur relay system, steroid biosynthesis and complement and coagulation cascades pathways. During the parental care, both male and female discus showed an enhanced lipid metabolism, producing more phospholipids and cholesterol. The difference is that male discus had increased tricarboxylic acid cycle producing more energy during the parental care, while females produced more nucleotides especially guanylic acid. Our study could provide new insights into the understanding of the unique mucus supply behavior of discus fish based on proteomic change.
2024-08-15 | PXD054942 |