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4 protocols using ab10558

1

Immunohistochemical Analysis of Enucleated Eyes

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Eyes were enucleated and placed in 4% paraformaldehyde (PFA) for less than 30 min, followed by gentle removal of anterior segments, including lens and vitreous. Whole eye cups were fixed in 4% PFA for 2 h at room temperature, rinsed with phosphate-buffered saline (PBS), cryoprotected with 30% sucrose overnight, embedded in optimal cutting temperature (OCT) medium, and then cryosectioned (18 μm) using a cryostat (CM3050 S, Leica). For immunohistochemistry, sections were washed with PBS, blocked with 10% normal donkey serum for 30 min, then incubated in primary antibody for 1–2 h at room temperature, followed by Alexa Fluor 568-conjugated secondary antibodies (Invitrogen). Primary antibodies include RPE65 (MAB5428, 1:250, Millipore), EGFP (Novousbio, NB100-1770, 1:500), IBA-1 (Wako, AB10558, 1:100), GFAP (Dako, Z0334, 1:200), CD45 (BD, 552566, 2.5 μg/mL), and CD3 (Abcam, ab11089, 1:100).
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2

Tissue Staining and Immunohistochemistry

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Tissues were dehydrated, paraffin-embedded, and cut into 5-μM thick sections. Trichrome staining (38016SS2; Leica Biosystems, Buffalo Grove, IL) and Herovici staining (American MasterTech Scientific Laboratory Supplies KTHERPT, Lodi, CA) were performed with a Leica ST5020 Autostainer (Richmond, IL). A standard immunohistochemistry (IHC) protocol was followed for all stains, which were performed on a Dako Autostainer Link 48 and its accompanying software (DakoLink version 4.1, edition 3.1.0.987; Agilent, Santa Clara, CA). Primary antibodies—α-smooth muscle actin (α-SMA) for myofibroblasts (ab5694; Abcam, Cambridge, MA), CD45 for pan-leukocytes (ab10558), CD31 for microvasculature (ab28364), and F4/80 for pan-macrophages (ab111101) were detected by EnVision+System-HRP (DAB) kits (Dako North America, Carpinteria, CA).
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3

Immunohistochemical Analysis of Retinal Cells

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Immunohistochemistry was performed as described previously. 21 (link) Posterior eye cups were fixed with 4% paraformaldehyde (PFA) for 2 hours after removal of anterior segments lens and vitreous. After washing with PBS, tissues were cryoprotected with 30% sucrose overnight, then embedded and cryosectioned at 18µm. For antibody labelling, sections were washed with PBS, blocked with 10% normal donkey serum for 30 min, then incubated in primary antibody for 1-2 hours at room temperature, followed by Alexa Fluor-conjugated secondary antibodies. Primary antibodies include IBA-1 (Wako, AB10558, 1:100), GFAP (Dako, Z0334, 1:200), and CD45 (BD, 552566, 2.5µg/ml).
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4

Histopathological Lung Tissue Analysis

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Tissue samples of control lungs and tumor-bearing lungs were routinely fixed with formalin and embedded in paraffin. Tissues were then serially sectioned in 4 to 7 μM distances and transferred to slides for hematoxylin and eosin staining.
For immuno-fluorescent staining, the following antibodies were used: GFP was amplified by chicken polyclonal antibodies to GFP (ab13970; Abcam, Cambridge, England, United Kingdom) followed by Alexa 488 donkey anti-chicken secondary antibodies (Jackson, 703-545-155). Rabbit pAb to S100A4 (ab27957; Abcam) followed by Alexa 647 donkey anti-rabbit secondary antibodies (Jackson, 711-605-152; JAX Mice, Clinical & Research Services, Bar Harbor, ME) and PE-conjugated anti-mCD45 (clone 30-F11, Biolegend, San Diego, CA). For immunohistochemistry, slides were incubated with anti-CD45 (Abcam, ab10558) or anti-aSMA (DAKO M0851). 3-Amino-9-ethylcarbazole was used for color development and sections were counterstained with hematoxylin.
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