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8 protocols using anti h3k36me2

1

Immunostaining of Hermaphrodite Gonads

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Gonads of adult hermaphrodites (24 hours post L4) were dissected and stained as previously described [71 (link)]. Briefly, excised germlines were fixed for 10 minutes with 2% formaldehyde (Sigma Aldrich) in K2HPO4 (pH 7.2). Germlines were then freeze-cracked on dry ice and placed in cold methanol (Merck) for 5 minutes. Blocking was performed for 30 minutes in 1% BSA in PBST. Slides were incubated overnight at 4°C in a humid chamber with primary antibodies, washed 3 times for 10 minutes in PBST and incubated 2 hours with the secondary antibodies at room temperature. Slides were then washed 3 times for 10 minutes in PBST before being mounted on coverslips with Vectashield. In the second wash DAPI was added at a concentration of 100 ng/ml. Primary and secondary antibodies were diluted in blocking solution as follows: anti-RAD51 (Novus Biologicals; 29480002), 1:10000; anti-H3K36me2 (Active Motif; 61019) 1:200; donkey anti-mouse Alexa 488 (Life Technologies; A21202) 1:200, goat anti-rabbit Alexa 568 (Invitrogene; A11036) 1:200.
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2

Yeast Protein Extraction and Immunoblotting

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Yeast strains of the indicated genotypes (and their wild-type counterparts) were grown in YPD either at permissive or restrictive temperatures. Overnight-saturated cultures were diluted to an OD600 of 0.2 and allowed to grow until they reached an OD600 of 1. Five OD600 equivalents of cells were lysed using a modified TCA extraction method as described (Keogh et al., 2006a (link), 2006b (link)). 10–20 mg of the lysates were separated by SDS-PAGE and variously probed with the following antibodies: anti-FLAG-M2 [for FLAG tagged Spt6] (Sigma-Aldrich, F1804; 1:5000), anti-G6PDH (Sigma-Aldrich, A9521; 1:100,000), anti-histone H3K4me3 (EpiCypher, 13–0004; 1:5000), anti-histone H3K79me3 (Abcam, ab2651, 1:2500) anti-histone H3K36me3 (Abcam, ab9050, ab9050; 1:1000), anti-histone H3 (EpiCypher, 13–0001; 1:50,000), anti-Spt16 (gift from Tim Formosa University of Utah, 1:5000), anti-H3K36me2 (Active Motif, 39255; 1:1000), anti-Set2 (Generated in the Strahl lab, 1:5000), anti-RNAPII-Ser2P (Active Motif, Clone #3E10, 61084; 1:100), anti-H2BK123ub1 (Cell Signaling Technology, 5546; 1:2000), and anti-H2B (Active Motif, 39237; 1:2000). HRP-conjugated anti-rabbit (GE Healthcare, NA934V; 1:10,000) and anti-mouse secondary (GE Healthcare, NA931V; 1:10,000), antibodies were used at 1:1000 and proteins were detected using ECL Prime or enhanced chemiluminescence ECL (Amersham Biosciences).
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3

ChIP-IT Express Protocol for Epigenetic Profiling

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The ChIP-IT Express kit (Active Motif) was used for ChIP assay in this study following the manufacturer's protocol. The additional antibodies used in ChIP assay were rabbit IgG (Santa Cruz Biotechnology, sc-2027), anti-acetyl-histone H3 (Millipore, 06-599), anti-H3K36me2 (Active Motif, 39255), anti-H3K4me3 (Active Motif, 39159), and anti-H3K36me3 (Active Motif, 61101). These antibodies are all ChIP grade and have been validated by their companies. The ChIP PCR primers for amplification of ERα/ESR1 gene next to the promoter region (A) are: Forward, 5′-CCCACTCAACAGCGTGTCT-3′ Reverse, 5′-CTGCAGGAAAGGCGACAG-3′. The ChIP primers for amplification of ERα gene in the coding region (B) are: Forward, 5′-GAAGAAGCATGGGTAAATGTCA-3′ Reverse, 5′-TCAGCCCTGAACCCAGTG-3′.
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4

Chromatin Immunoprecipitation of H3K36me2 and NSD2

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Control and NSD2-KD1 143B cells (2 × 107 cells) were crosslinked, lysed and sheared using a UCD-300 (Bioruptor) to ~200–700 base pairs in length. ChIP was then performed using an EZ ChIP Kit (Millipore; 17-371) according to the manufacturer’s instructions. ChIP-enriched DNA was then quantified by RT-qPCR. The ChIP antibodies used were anti-H3K36me2 (Active Motif) and anti-NSD2 (Abcam). The primer sequences are listed in Table S3.
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5

Chromatin Immunoprecipitation Profiling Antibodies

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The following commercially available antibodies were used:
Anti-H3 (1:5.000, #61475), Anti-H3K36me3 (1:4.000, #61102), Anti-H3K36me2 (1:1.000, #39255), Anti-H3K36me1 (1:1.000, #61351), Anti-H3K4me3 (1:500, #61379) and anti-H2A (1:1.000, #39209) were from Active Motif. Anti-H3K27me3 (1:1.000, C15410069), Anti-H3K79me3 (1:1.000, C15310068), anti-H2A.Zac (2 µg/IP, C15410202-050) and Anti-H3K9me3 (1:1.000, C15410056) were from Diagenode. Anti-H4K20me3 (1:1.000, ab9053), Anti-H3 (1:30.000, ab1791), anti-MTA1 (1:1.000, ab71153 or 3 µg/IP, ab50209), anti-CHD4 (1:1.000 or 2 µg/IP, ab70469), anti-HDAC2 (1:5.000, ab124974) anti-RBBP4 (1:1.000, ab488), anti-RBBP7 (1:1.000, ab3535), Anti-H3K27ac (2 µg/IP, ab4729), anti-H2A.Z (1:3.000, ab4174), and anti-MBD3 (1:5.000, ab157464) were from Abcam. Anti-PWWP2A (1:1.000, NBP2-13833) from Novus (Acris). Anti-HA-HRP (1:40.000, 2999S) and anti-HDAC1 (1:20.000, 5356S) from Cell Signaling Technology. Anti-FLAG M2 (1:80.000 or 3 µg/IP, F1804) and anti-mouse IgG (3 µg/IP, I8765) from Sigma-Aldrich.
The following secondary antibodies were used:
Anti-rabbit IRDye 800CW (1:10.000, 926-32211) and anti-mouse IRDye 680RD (1:10.000 926‐68070) from LI-COR Biosciences. Anti-mouse-HRP (1:10.000, M114) from Leinco Technologies. Anti-mouse and anti-rabbit HRP-linked antibodies (1:10.000, NA931 and NA934) from VWR.
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6

Yeast Protein Extraction and Immunoblotting

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Yeast strains of the indicated genotypes (and their wild-type counterparts) were grown in YPD either at permissive or restrictive temperatures. Overnight-saturated cultures were diluted to an OD600 of 0.2 and allowed to grow until they reached an OD600 of 1. Five OD600 equivalents of cells were lysed using a modified TCA extraction method as described (Keogh et al., 2006a (link), 2006b (link)). 10–20 mg of the lysates were separated by SDS-PAGE and variously probed with the following antibodies: anti-FLAG-M2 [for FLAG tagged Spt6] (Sigma-Aldrich, F1804; 1:5000), anti-G6PDH (Sigma-Aldrich, A9521; 1:100,000), anti-histone H3K4me3 (EpiCypher, 13–0004; 1:5000), anti-histone H3K79me3 (Abcam, ab2651, 1:2500) anti-histone H3K36me3 (Abcam, ab9050, ab9050; 1:1000), anti-histone H3 (EpiCypher, 13–0001; 1:50,000), anti-Spt16 (gift from Tim Formosa University of Utah, 1:5000), anti-H3K36me2 (Active Motif, 39255; 1:1000), anti-Set2 (Generated in the Strahl lab, 1:5000), anti-RNAPII-Ser2P (Active Motif, Clone #3E10, 61084; 1:100), anti-H2BK123ub1 (Cell Signaling Technology, 5546; 1:2000), and anti-H2B (Active Motif, 39237; 1:2000). HRP-conjugated anti-rabbit (GE Healthcare, NA934V; 1:10,000) and anti-mouse secondary (GE Healthcare, NA931V; 1:10,000), antibodies were used at 1:1000 and proteins were detected using ECL Prime or enhanced chemiluminescence ECL (Amersham Biosciences).
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7

Western Blot Analysis of Cell Signaling

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Protein was extracted under the indicated conditions, and the protein lysate was separated by 10% sodium dodecyl sulphate-polyacrylamide gel electrophoresis. The proteins were then transferred to polyvinylidene fluoride membranes. After being blocked in 10% non-fat milk, the membranes were incubated with specific primary and secondary antibodies. The antibodies used were anti-SOX2 (Active Motif), anti-NSD2 (Cell Signaling Technology, CST), anti-H3K36me2 (Active Motif), anti-H3K27me3 (CST), anti-BCL2 (CST), anti-GAPDH (CST), anti-H3 (Abways), anti-ERK (CST), anti-pERK (CST), anti-AKT (CST) and anti-pAKT (CST).
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8

Xenograft Model of Salivary Adenoid Cystic Carcinoma

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Xenograft mouse models of salivary adenoid cystic carcinoma were established by subcutaneously injecting 1×10 6 transfected SACC cells in the flank of nude mice. Tumor growth was measured weekly with calipers. Tumor volume was calculated using the formula (L × W 2 ) × ½, where W and L represent the perpendicular minor and major dimension, respectively. All animals were sacrificed 21 days after tumor cell implantation. At autopsy the tumor was removed and weighed.
ChIP-qPCR analysis. 2×10 7 SACC-83 and WHSC1-knockdown SACC-83 cells were crosslinked, lysed and sheared to about 200-700 DNA base pairs in length using UCD-300 (Bioruptor, BE). ChIP was performed using Magnetic ChIP kit according to manufacturer's instructions Millipore) . Quantification of ChIP-enriched DNA was then performed by qPCR. The ChIP antibodies used were anti-H3K36me2 (61019, Active Motif, CΑ, USA) and normal rabbit IgG. Primers used are listed in Table ΙΙ.
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