mechanism Protocols

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Assay:Single Round of In Vitro Transcription from Assembled Chromatin Templates Using a HeLa Cell Ex - http://www.bio.com/protocolstools/protocol.jhtml%3Bjsessionid%3D3APITJJIWFIM1R3FQLMCFEWHUWBNSIV0?id=p9063

Category: Cell Biology and Cell Culture: In Vitro Reconstitution Protocols

This protocol describes an in vitro transcription assay that allows for a single round of transcription from in vitro assembled chromatin. Comparing the activity of a receptor or transcriptional coactivator in an assay that measures only a single round of transcription with the results from multiple rounds of transcription can help elucidate the mechanism of transcriptional activation by those factors. - [Read Assay:Single Round of In Vitro Transcription from Assembled Chromatin Templates Using a HeLa Cell Ex]

Cell Staining for Sorting of Hematopoietic Stem Cells (HSC) and Myeloid Progenitors - http://www.natureprotocols.com/2006/06/29/cell_staining_for_sorting_of_h.php

Category: Cell Biology and Cell Culture: Flow Cytometry Protocols: Cell Sorting Protocols

The combination of prospective identification/isolation of bone marrow progenitors and quantitative RT-PCR is a powerful tool to understand the molecular mechanism underlying hematopoiesis. Describes the standard procedures of the murine myeloid progenitor staining for fluorescence activated cells sorting (FACS) and RNA purification methods. - [Read Cell Staining for Sorting of Hematopoietic Stem Cells (HSC) and Myeloid Progenitors]

Cell Staining for Sorting of Hematopoietic Stem Cells and Myeloid Progenitors and Isolating RNA - http://www.natureprotocols.com/2006/06/29/cell_staining_for_sorting_of_h.php

Category: Stem Cell Protocols

The combination of prospective identification/isolation of bone marrow progenitors and quantitative RT-PCR is a powerful tool to understand the molecular mechanism underlying hematopoiesis. Here, we described our standard procedures of the murine myeloid progenitor staining for fluorescence activated cells sorting (FACS) and RNA purification methods. - [Read Cell Staining for Sorting of Hematopoietic Stem Cells and Myeloid Progenitors and Isolating RNA]

Staining for Myelin Sheath Protocol - http://library.med.utah.edu/WebPath/HISTHTML/MANUALS/LFB.PDF

Category: Neuroscience Protocols: Neuronal Stains Protocols

Protocol for myelin sheath. Luxol Fast Blue is the alcohol soluble counterpart of the water soluble Alcian Blue. Staining is due to lipoproteins, and the mechanism is one of an acid-base reaction with salt formation; the base of the lipoprotein replaces the base of the dye. - [Read Staining for Myelin Sheath Protocol]

Tetrahymena Thermophila Ocular Irritancy Test - http://embryo.ib.amwaw.edu.pl/invittox/prot/22.htm

Category: Pharmacology and Toxicology Protocols: Cytotoxicity Protocols: Microorganism Cytotoxicity Assays Protocols

The basis of this test is that a cytotoxic chemical (regardless of site or mechanism of action) will interfere with the normal motility of the protozoan, Tetrahymena thermophila, in culture. The degree of interference of motility as compared to control cultures, related to the concentration of the test compound, provides an indication of toxicity. - [Read Tetrahymena Thermophila Ocular Irritancy Test]