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2 protocols using anti ift81 11744 1 ap

1

Immunofluorescence Staining of Primary Cilia

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HUVECs grown on eight‐well cell culture slides (Mat‐Tek) coated with Fibronectin (Corning; Sigma‐Aldrich) were washed with warmed PBS (37°C) twice, fixed in warm 4% paraformaldehyde (Thomas Scientific; 37°C) for 5 min and washed with PBS three times. The cells were permeabilized with 1% Triton X‐100 in PBS for 5 min and washed again with PBS three times. The cells were blocked with 1% bovine serum albumin (Sigma‐Aldrich) in PBS for 30 min. Anti‐acetylated‐tubulin (T6793; Sigma‐Aldrich; 1:1000), anti‐Arl13B (17711‐1‐AP; Proteintech; 1:500), anti‐IFT81 (11744‐1‐AP; Proteintech; 1:500), and anti‐BMPR‐II (612292; BD Biosciences; 1:500) antibodies were incubated overnight at 4°C, and then detected with Alexa Fluor 568 donkey anti‐mouse IgG (A10037; Invitrogen; 1:500), Alexa Fluor 568 goat anti‐rabbit IgG (A11011; Invitrogen; 1:200), Alexa Fluor 488 goat anti‐mouse IgG (A11001; Invitrogen; 1:200), and/or Alexa Fluor 647 goat anti‐rabbit IgG (A21244; Invitrogen; 1:200). 0.5 µg/ml DAPI (Sigma‐Aldrich) was used to stain the nuclei. The cells were mounted using Vectashield (Vector Labs) and imaged using fluorescence microscopy.
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2

Immunofluorescence Staining of HUVECs

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HUVECs grown on 8-well cell culture slides (Mat-Tek) coated with Fibronectin (Corning, Sigma-Aldrich)
were washed with warmed PBS (37 ℃) twice, fixed in warm 4% paraformaldehyde (Thomas Scientific, 37 ℃) for 5 min and washed with PBS 3 times. The cells were permeabilized with 1% Triton X-100 in PBS for 5 min and washed again with PBS 3 times. The cells were blocked with 1% bovine serum albumin (Sigma-Aldrich) in PBS for 30 min. Anti-acetylated-tubulin (T6793, Sigma-Aldrich, 1:1000), anti-Arl13B
(17711-1-AP, Proteintech, 1:500), anti-IFT81 (11744-1-AP, Proteintech, 1:500) and anti-BMPR-II (612292, BD Biosciences, 1:500) antibodies were incubated overnight at 4℃, and then detected with Alexa Fluor 568 donkey anti-mouse IgG (A10037, Invitrogen, 1:500), Alexa Fluor 568 goat anti-rabbit IgG (A11011, Invitrogen, 1:200), Alexa Fluor 488 goat anti-mouse IgG (A11001, Invitrogen, 1:200) and/or Alexa Fluor 647 goat anti-rabbit IgG (A21244, Invitrogen, 1:200). 0.5 µg/ml DAPI (Sigma-Aldrich) was used to stain the nuclei. The cells were mounted using Vectashield (Vector Labs) and imaged using fluorescence microscopy.
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