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Tmr in situ cell death detection kit

Manufactured by Merck Group

The TMR In Situ Cell Death Detection Kit is a laboratory equipment product designed to detect and analyze cell death in biological samples. The kit utilizes terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) technology to identify and quantify apoptotic cells. The core function of the kit is to provide a reliable and standardized method for the assessment of cell death in various experimental and research applications.

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2 protocols using tmr in situ cell death detection kit

1

TUNEL Assay with DAPI Staining

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TUNEL was performed using a standard kit according to the manufacturer’s protocol (TMR In Situ Cell Death Detection Kit, Sigma-Aldrich, #12156792910) in combination with nuclear staining using DAPI (10 ug/mL; Biotium, Fremont, CA, #40043). Images were captured using a 20x objective. The numbers of TUNEL positive nuclei in each image were counted by a blinded operator.
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2

Quantifying Cell Death in Inflammatory Tissue

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Histologic samples were collected 6 h after TNF injection and evaluated on paraffin sections. Cell death was identified by TUNEL (TMR in situ cell death detection kit; Sigma-Aldrich) and counterstained with DAPI (49,6-diamidino-2-phenylindole; Thermo Fisher Scientific). Micrographs were acquired using an Axioscan Z.1 slide scanner (Carl Zeiss) at •20 magnification and an ORCA Flash4 camera (Hamamatsu Photonics) while illuminated by an HXP 120-V light source. Histologic data were analyzed using Volocity (PerkinElmer) and QuPath (GitHub) software.
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