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Application suite version 2.7.1 r1

Manufactured by Leica

Application Suite version 2.7.1 R1 is a software package designed for Leica lab equipment. The core function of this software is to provide a comprehensive interface for the control and management of Leica's analytical instruments and associated data processing.

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2 protocols using application suite version 2.7.1 r1

1

Immunohistochemical Analysis of Breast Tissues

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Human tissue arrays were obtained from BioChain (Newark, CA, USA) and contained 18 cases of normal, premalignant, and malignant breast tissues (#Z7020010). DCIS slides were provided by Dr. Rohit Bhargava (Department of Pathology, UPMC, Pittsburgh). Slides were deparaffinized by baking overnight at 59°C. Endogenous peroxidase activity was eliminated by treatment with 30% H2O2 for 15 min at room temperature. Antigen retrieval was performed by microwave heating in 0.1% citrate buffer for 10 min. Non-specific binding sites were blocked with 1% BSA. Reaction with anti-CD68 (1:100), anti-CEACAM1 (1:50) and anti-Annexin A1 (1:100) was performed for 1 hour at room temperature. Secondary antibodies were added at 1:100 dilution for 30 min. Positive signals were visualized by a DAB Substrate Kit (cat. #550880, BD Pharmingen) according to the manufacturer’s protocol. Histology sections were viewed on an Olympus BX40 microscope. Images were acquired using Leica DFC420 camera and Leica Application Suite version 2.7.1 R1.
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2

Immunohistochemical Analysis of Inflammation Markers

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Slides were deparaffinized by baking overnight at 59°C. Endogenous peroxidase activity was eliminated by treatment with 30% H2O2 for 15 min at room temperature. Antigen retrieval was performed by microwave heating in 0.1% citrate buffer for 10 min at 850V. Nonspecific binding sites were blocked with 2% BSA. Reaction with anti-CD163, anti-CD68, anti-CD86, anti-sTn, anti-ST6GALNAC1 (listed above) was for 16h at 4C. Staining was performed by the avidin-biotin-peroxidase complex method with a commercial kit (PK4000, Vectastain ABC HRP kit; Vector Laboratories) according to the manufacturer’s protocol. Positive signals were visualized by a DAB Substrate Kit (cat. #550880, BD Pharmingen) according to the manufacturer’s protocol. The total inflammation score for each sample was determined as previously described [8 (link)]. For double staining IHC, ImmPRESS duet staining HRP/AP polymer kits, anti-rabbit IgG-brown and anti-mouse IgG red was used (MP-7714, Vector Laboratories) according the manufacturer’s protocol. Histology sections were observed using an Olympus BX40 microscope. Images were acquired using a Leica DFC420 camera and Leica Application Suite version 2.7.1 R1.
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