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5 protocols using goat anti chicken igy

1

Immunofluorescent Labeling of Brain Slices

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Brain slices were blocked in 4% (v/v) normal goat serum (Abcam Inc., Cambridge, UK) with 0.3% (v/v) Triton X-100 (Sigma-Aldrich, Saint Louis, MO, USA) in 1× PBS with 0.1% sodium azide (Alfa Aesar) for one hour. Slices were then incubated overnight with primary antibodies targeting neuronal nuclei (NeuN), astrocytes (GFAP), and activated microglia/macrophages (CD68) (Table 1) at 4 °C in a buffer solution containing only 0.1% (v/v) Triton X-100.
The following day, slices were washed and incubated for one hour in blocking solution with secondary antibodies, goat anti-rabbit IgG (TRITC), goat anti-mouse IgG (Alexa Fluor 488), goat anti-chicken IgY (Alexa Fluor 647), at 1:1000 dilution, and DAPI (0.6 μM) (Abcam Inc.). Slices were subsequently washed and mounted on glass slides with Fluoromount aqueous mounting medium (Sigma-Aldrich).
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2

Immunoblotting for Malaria Parasite Proteins

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Protein samples were electrophoresed on a NuPAGE 4–12% Bis-Tris gel (Invitrogen) and transferred onto a nitrocellulose membrane using iBlot system (Invitrogen). The membrane was subsequently blocked using 1% casein in 1x PBS and incubated with primary antibody solutions with following dilutions: mouse anti-HA (Sigma, 1:500), rabbit anti-HSP101 (r950, 1:500), rabbit anti-PTEX150 (r741, 1:500), mouse anti-EXP2 (5–10 μg/mL), rabbit anti-EXP2 (r1167, 1:1000), chicken anti-FLAG (Abcam,1:2000), mouse anti-FLAG (10 μg/mL), rabbit anti-Nluc (12.5 μg/mL), rabbit anti-plasmepsin V (1:2000), rabbit anti-GAPDH (1:2000), rabbit anti-SERA5 (1:1000) for 1 hour at RT or overnight at 4°C. Secondary antibodies were incubated for 1–2 hours in following dilutions: Goat anti-rabbit Alexa Fluor Plus 700 and 800, Goat anti-mouse Alexa Fluor Plus 700 and 800 (Invitrogen 1:10,000), and horseradish peroxidase-conjugated Goat anti-chicken IgY (Abcam, 1:10,000). For enhanced chemiluminescence detection, membranes were probed with SuperSignal West Pico PLUS substrate (Pierce). All imaging and densitometry analysis were performed using Odyssey Fc system (LI-COR).
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3

Immunohistochemical Characterization of Neuronal Cells

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Immunohistochemistry was performed on paraformaldehyde (4%) fixed cell cultures, paraffin sections (5 µm) and cryosections (10 µm) as described elsewhere [33] (link). The following primary antibodies were used: rabbit anti-Neural Class (III) beta-Tubulin (1∶2,000; TUJ1, Covance, Münster, Germany), rabbit anti-Nitric Oxide Synthase (1∶5,000; R&D, Las Vegas, USA), rabbit anti-protein gene product 9.5 (1∶800; AbD Serotec, Oxford, United Kingdom), rabbit anti-glial fibrillary acidic protein (1∶500; Dako, Glostrup, Danmark), rabbit anti-S100β (1∶200; abcam, Cambridge, Great Britain), mouse-anti human neuronal protein Hu c/d (1∶50; Invitrogen), chicken anti-green fluorescent protein (1∶500; abcam) and rat-anti BrdU (1∶50; AbD Serotec). Detection of the primary antibodies was performed with the following fluorochrome-linked secondary antibodies: goat anti-rabbit IgG Cy3 (1∶400; Invitrogen), goat anti-rat Cy3 (1∶400; Invitrogen), goat anti-rabbit IgG Cy5 (1∶500; Invitrogen) and goat anti-chicken IgY, Dylight 488 (1∶500; abcam). For identifying biocytin filled cells Cy3-conjugated streptavidin antibody (1∶500, Jackson ImmunoResearch, United Kingdom) was used.
Cell nuclei were stained with 4′-6-diamidino-2-phenylinodole (DAPI) solution (200 ng/mL; Invitrogen).
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4

Western Blot Protein Analysis Protocol

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Neuronal or HEK293T cultures were rinsed in PBS, scraped, and homogenized in ice-cold radioimmunoprecipitation lysis buffer (150 mM NaCl, 1% Triton X-100, 0.5% deoxycholate, 0.1% SDS, and 50 mM Tris-HCl, pH 8.0) with protease inhibitor cocktail (cOmplete; Roche) and phosphatase-inhibitor cocktail (PhosSTOP; Roche). Protein concentrations were determined using DC Protein Assay kit (Bio-Rad Laboratories, Inc.). Samples were loaded in Laemmli sample buffer (63 mM Tris-HCl pH 7, 2% SDS, 20% glycerol, 5% β-mercaptoethanol, and bromophenol blue), separated using SDS-PAGE, and transferred to nitrocellulose membrane (Hybond ECL; GE Healthcare). Blots were probed with the appropriate primary antibodies (see Antibodies) and HRP-conjugated donkey anti–rabbit (GE Healthcare) or goat anti–chicken IgY (Abcam) antibodies and then developed with ECL Plus (GE Healthcare) and visualized with LAS-3000 (Fujifilm). Band densities were analyzed with AIDA imaging software (Raytest).
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5

Immunohistochemical Analysis of Bone Marrow

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After fixation, samples were decalcified in 20% EDTA at 4 C for 1 week. Samples were embedded in OCT for frozen sectioning. 10mm sections were obtained. Sections were incubated with primary antibody at 4 C O/N. The following primary antibodies were used in this study: Anti-CD44, Anti-CD73, Anti-CD146, Anti-Periostin, Anti-Col I, Anti-Sp7, Anti-ß3-tublin, Anti-aSMA, Anti-LepR, Anti-ß-gal, Anti-SOST, Anti-Perilipin-1, Anti-CD31, Anti-CD34, and Anti-Nestin, Anti-NG2, Anti-PDGFRa, Anti-SHH. The secondary antibodies included goat anti-mouse (Invitrogen A11029, 1:100), anti-rat (Invitrogen A11006), anti-rabbit (Invitrogen A11034) IgG conjugated to Alexa 488, and goat anti-chicken IgY conjugated to AlexaFluo 488 (Abcam ab150169).
GS-IB4 (Isolectin GS-IB4 from Griffonia Simplicifolia) has been widely used for labeling endothelial cells in various organs including long bone marrow, lung, heart and retina (Epah et al., 2018; Hooper et al., 2009; Xu et al., 2018; Ohle et al., 2012; Arnold et al., 2012) . For periodontium vasculature staining, mouse samples were fixed with 4% PFA overnight and decalcified in 20% EDTA for one week. Samples were embedded in OCT and 20mm sections were obtained. Sections were incubated with GS-IB4 conjugated with Alexa-Fluo488 (Invitrogen) at 1:100 dilution at 4 CC O/N. Sections were then briefly washed with PBS and counterstained with DAPI for imaging.
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