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Mouse anti ck19

Manufactured by Agilent Technologies

Mouse anti-CK19 is a primary antibody used for the detection of cytokeratin 19 (CK19) in various samples. CK19 is a type I cytokeratin that is commonly expressed in epithelial cells. This antibody can be used in techniques such as immunohistochemistry and Western blotting to identify and quantify CK19-positive cells.

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3 protocols using mouse anti ck19

1

Immunofluorescence Staining of Epithelial Markers

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Cells were fixed in 4% PFA. After permeabilization in 0.5% Triton X-100, cells were blocked with 1% BSA and incubated overnight at 4 °C with the following primary antibodies: goat anti-Epcam antibody (R&D Systems), mouse anti-CK19 (Dako) or rabbit anti-Ki67 (Abcam). Secondary antibodies were then incubated for 1 h at room temperature (Life Technologies), and Prolong Gold mounting media with DAPI (Life Technologies) was used for mounting on a glass slide.
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2

Multicolor Immunofluorescence Labeling

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Human tissues were labeled with the following antibodies: mouse anti-αSMA (clone 1A4, Dako, Carpineria, CA), rabbit anti-periostin (Abcam, Cambridge, ENG), mouse anti-CK19 (Dako clone RCK-108), mouse anti-CD68 (Dako clone KP1), and mouse anti-CD163 (Novocastra/Leica, New Castle Upon Tyne, ENG). Mouse tissues were labeled with the same αSMA and periostin antibodies and with F4/80 (clone A3-1, AbD Serotec, Raleigh, NC). Fibrillar collagen I was detected by Gomori trichrome (Newcomer Supply, Middleton, WI). Double immunofluorescence was performed using TSA-Plus kits (Perkin Elmer LAS, Boston, MA) and counterstained with Toto3 (Molecular Probes, Eugene, OR). For double immunofluorescence with same species antibodies, slides were boiled after the first antibody’s TSA reaction, then labeling was repeated with the second primary antibody. Controls always included slides which lacked either the first or second primary antibody to validate that boiling removed all of the first antibody.
IPS-1 cells were labeled with CellTracker Green CMFDA (Molecular Probes, Eugene OR) and RAW264.7 and BMDM-WT cells were labeled with CellTracker Red CMTPX (Molecular Probes) as per manufacturer’s instructions.
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3

Multicolor Immunofluorescence Labeling

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Human tissues were labeled with the following antibodies: mouse anti-αSMA (clone 1A4, Dako, Carpineria, CA), rabbit anti-periostin (Abcam, Cambridge, ENG), mouse anti-CK19 (Dako clone RCK-108), mouse anti-CD68 (Dako clone KP1), and mouse anti-CD163 (Novocastra/Leica, New Castle Upon Tyne, ENG). Mouse tissues were labeled with the same αSMA and periostin antibodies and with F4/80 (clone A3-1, AbD Serotec, Raleigh, NC). Fibrillar collagen I was detected by Gomori trichrome (Newcomer Supply, Middleton, WI). Double immunofluorescence was performed using TSA-Plus kits (Perkin Elmer LAS, Boston, MA) and counterstained with Toto3 (Molecular Probes, Eugene, OR). For double immunofluorescence with same species antibodies, slides were boiled after the first antibody’s TSA reaction, then labeling was repeated with the second primary antibody. Controls always included slides which lacked either the first or second primary antibody to validate that boiling removed all of the first antibody.
IPS-1 cells were labeled with CellTracker Green CMFDA (Molecular Probes, Eugene OR) and RAW264.7 and BMDM-WT cells were labeled with CellTracker Red CMTPX (Molecular Probes) as per manufacturer’s instructions.
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