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Anti nf at

Manufactured by Santa Cruz Biotechnology

Anti-NF-AT is a laboratory reagent used for the detection and study of the Nuclear Factor of Activated T-cells (NF-AT) protein. NF-AT is a family of transcription factors that play a crucial role in the regulation of immune response and T-cell activation. This product provides researchers with a specific tool to investigate the expression and function of NF-AT in various experimental systems.

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2 protocols using anti nf at

1

Immunohistochemical Analysis of NFκB, NFAT, and IL-10

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For immunohistochemistry analysis, all samples were previously submitted to deparaffinization. Endogenous peroxidase activity was blocked with H2O2 3% three times during 10 minutes. Samples were then washed and blocked with bovine serum albumin 10% during 1 hour and then incubated with primary rabbit anti-mouse IgG antibodies: i) anti-NFκB (Santa Cruz, CA) at 1:500; ii) anti-NF-AT 1:500 (Santa Cruz, CA) and iii) anti-IL-10 (Santa Cruz, CA) at 1:500 during 2 hours at room temperature. Samples were washed twice with TBS- BSA 10% and then incubated with secondary antibody goat anti-Rabbit IgG at 1:1000 for 1 hour. After washing samples twice with BSA 2% diaminobenzidine (DAB) was added. Finally samples were washed again and counter stained with H&E. Slides were analyzed under light microscope on a blind fashion.
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2

Immunohistochemical Analysis of Ischemia-Reperfusion

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Immunohistochemistry was performed with the Novolink Polymer Detection Kit (Leica Biosystems) using formalin-fixed, paraffin-embedded tissue slices of mice and human liver specimens from control and ischemia-reperfusion groups. Specimens were incubated with anti-ITPR3 (BD transduction Laboratories), anti-NFAT (Santa Cruz), 5 methylcytosine (5mc) (Zymo Research) and anti-ssDNA (Abcam) antibodies overnight at room temperature. The reactions were developed by applying 3,3’-diaminobenzidine (DAB). To compare ITPR3 staining in hepatic tissue, digital images were analyzed in a blinded fashion. The average pixel intensity was quantified in specimens using Image J software. The specificity of anti-ITPR3 was confirmed by observing apical labeling of cholangiocytes in all analyzed liver specimens, because this is the subcellular distribution of ITPR3 that has been established previously in these cells (19 (link)). The ITPR3 intensity value of IR groups was normalized according to control. For NFAT and ssDNA labeling analysis, cells with positive nuclear staining also were counted in a blinded fashion, being expressed as percentage of positive cells (15 (link)).
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