The whole kidney marrow (WKM) is the site for hematopoiesis in the adult zebrafish. Here, we present a protocol for analyzing hematopoietic lineages in the WKM of adult zebrafish. We describe steps for the isolation of hematopoietic cells from the WKM, the downstream analysis of total marrow cellularity, and analysis of cell populations by flow cytometry. We then detail procedures for May-Grünwald-Giemsa staining for analysis of cellular morphology and phenotyping. For complete details on the use and execution of this protocol, please refer to Mahony et al..
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http://dx.doi.org/10.1016/j.xpro.2023.102810 | DOI Listing |
Sci Rep
January 2025
Department of Applied Animal Science and Welfare, Swedish University of Agricultural Sciences, Gothenburg, Sweden.
Zebrafish are widely used in research, accounting for approximately 50% of all laboratory fish across Europe. Due to their rapid reproduction and aging, effective and practical euthanasia methods are necessary for managing large stocks. This study investigated whether adult zebrafish can be euthanised by delivering an electrical current directly via the water in their housing aquaria.
View Article and Find Full Text PDFEcotoxicol Environ Saf
January 2025
Fisheries College, Huazhong Agricultural University, Wuhan 430070, China; Hubei Engineering Technology Research Center for Aquatic Animal Disease Control and Prevention, Wuhan 430070, China. Electronic address:
The toxicity of tris (2-butoxyethyl) phosphate (TBOEP) has been extensively investigated because of its prevalence in the environment. Nevertheless, the risk factors associated with maternal transmission are poorly understood. In this study, sexually mature female zebrafish were treated with TBOEP (0, 20, 100, and 500 μg/L) for 30 days and were mated with unexposed males.
View Article and Find Full Text PDFJ Am Heart Assoc
January 2025
Experimental Renal and Cardiovascular Research, Department of Nephropathology Institute of Pathology and Department of Cardiology Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) Erlangen Germany.
Background: Organs and tissues need to be vascularized during development. Similarly, vascularization is required to engineer thick tissues. How vessels are formed during organogenesis is not fully understood, and vascularization of engineered tissues remains a significant challenge.
View Article and Find Full Text PDFACS Biomater Sci Eng
January 2025
Chair and Department of Biochemistry and Biotechnology, Medical University of Lublin, Chodzki 1 Street, 20-093 Lublin, Poland.
The aim of this work is to provide a comprehensive set of biological tests to assess the biomedical potential of novel osteochondral scaffolds with methods proposed to comply with the 3Rs principle, focusing here on a biphasic Curdlan-based osteochondral scaffold as a promising model biomaterial. experiments include the evaluation of cytotoxicity, mutagenicity, and genotoxicity referring to ISO standards, the assessment of the viability and proliferation of human chondrocytes and osteoblasts, and the estimation of inflammation after direct contact of biomaterials with human macrophages. experiments include assessments of the response of the surrounding osteochondral tissue after incubation with the implanted biomaterial.
View Article and Find Full Text PDFPharmacol Res
January 2025
National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China. Electronic address:
Metabolic-associated fatty liver disease (MAFLD) is a chronic, progressive disorder characterized by hepatic steatosis and excessive lipid accumulation. Its high global adult prevalence (approximately 50.7%), however, FDA-approved therapeutic drugs remains lacking.
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