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9969
Rb Antibody Sampler Kit

Rb Antibody Sampler Kit #9969

Western Blotting Image 1

Western blot analysis of extracts from WI-38 cells, serum-starved for 3 days (-) or serum-starved for 3 days followed by treatment with 10% serum for 2 days (+), using Phospho-Rb (Ser780) (D59B7) Rabbit mAb.

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Western Blotting Image 2

Western blot analysis of extracts from human fibroblasts synchronized by serum deprivation, using Phospho-Rb (Ser795) Antibody. Cells were synchronized for 24 hours, then released by addition of serum and harvested at the times indicated. Cell cycle progression was verified by cyclin analysis and FACS. (Provided by John Boylan, Dupont/Merck, Delaware.)

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Western Blotting Image 3

Western blot analysis of extracts from MCF7 cells, untreated (-) or treated with calf intestinal phosphatase (CIP) and λ phosphatase (+), using Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb (upper) or Rb (4H1) Mouse mAb #9309 (lower).

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Western Blotting Image 4

Western blot analysis of extracts from HeLa cells, transfected with 100 nM SignalSilence® Control siRNA (Fluorescein Conjugate) #6201 (-), SignalSilence® Rb siRNA I #6451 (+) or SignalSilence® Rb siRNA II (+), using Rb (4H1) Mouse mAb #9309 and α-Tubulin (11H10) Rabbit mAb #2125. The Rb (4H1) Mouse mAb confirms silencing of Rb expression, while the α-Tubulin (11H10) Rabbit mAb is used to control for loading and specificity of Rb siRNA.

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Western Blotting Image 5

After the primary antibody is bound to the target protein, a complex with HRP-linked secondary antibody is formed. The LumiGLO® is added and emits light during enzyme catalyzed decomposition.

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Western Blotting Image 6

Western blot analysis of phosphorylated or nonphosphorylated recombinant, truncated Rb, without or with Rb blocking peptide, using Phospho-Rb (Ser780) (D59B7) Rabbit mAb.

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Western Blotting Image 7

Western blot analysis of Rb Control Protein #9303, using Phospho-Rb (Ser795) Antibody (upper) or Rb (4H1) mAb #9309 (lower).

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Western Blotting Image 8

Western blot analysis of extracts from WI-38 cells, serum-starved for 3 days (-) or serum-starved for 3 days followed by treatment with 10% serum for 2 days (+), using Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb.

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Western Blotting Image 9

Western blot analysis of extracts from COS-7 cells, untreated or hydroxyurea-treated (G1/S), using Rb (4H1) Mouse mAb.

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IP Image 10

Immunoprecipitation of phospho-Rb (Ser780) from WI-38 cell extracts using Phospho-Rb (Ser780) (D59B7) Rabbit mAb (lane 2). Western blot was performed using the same antibody. Lane 1 is 10% input.

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IP Image 11

Immunoprecipitation of phospho-Rb (Ser807/811) from Cos cell extracts using Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (lane 2) or Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb (lane 3). Lane 1 is 10% input. Western blot analysis was performed using Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb.

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IHC-P (paraffin) Image 12

Immunohistochemical analysis of paraffin-embedded human breast carcinoma, showing nuclear localization, using Rb (4H1) Mouse mAb.

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IHC-P (paraffin) Image 13

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb.

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IHC-P (paraffin) Image 14

Immunohistochemical analysis of paraffin-embedded human lung carcinoma, using Rb (4H1) Mouse mAb.

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IHC-P (paraffin) Image 15

Immunohistochemical analysis of paraffin-embedded human lung carcinoma, control (left) or λ phosphatase-treated (right), using Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb.

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Flow Cytometry Image 16

Flow cytometric analysis of Jurkat cells, using Rb (4H1) Mouse mAb versus propidium iodide (DNA content). The box indicates Rb positive cells.

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IHC-P (paraffin) Image 17

Immunohistochemical analysis of paraffin-embedded mouse spleen using Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb.

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IF-IC Image 18

Confocal immunofluorescent image of SH-SY5Y cells, using RB (4H1) Mouse mAb (green). Actin filaments have been labeled with Alexa Fluor® 555 phalloidin (red).

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IHC-P (paraffin) Image 19

Immunohistochemical analysis of paraffin-embedded human ovarian serous adenocarcinoma using Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb in the presence of control peptide (left) or antigen-specific peptide (right).

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Chromatin IP Image 20

Chromatin immunoprecipitations were performed with cross-linked chromatin from Raji cells and either Rb (4H1) Mouse mAb or Normal Rabbit IgG #2729 using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. The enriched DNA was quantified by real-time PCR using using SimpleChIP® Human Timeless Intron 1 Primers #7001, human DHFR promoter primers, and SimpleChIP® Human α Satellite Repeat Primers #4486. The amount of immunoprecipitated DNA in each sample is represented as signal relative to the total amount of input chromatin, which is equivalent to one.

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Flow Cytometry Image 21

Flow cytometric analysis of Jurkat cells using Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb compared to Propidium Iodide (PI)/RNase Staining Solution #4087.

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IF-IC Image 22

Confocal immunofluorescent analysis of MCF7 (left) and BT-549 (right) cells, untreated (upper) or λ phosphatase-treated (lower) using Phospho-Rb (Ser807/Ser811) (D20B12) XP® Rabbit mAb (green). Actin filaments were labeled with DY-554 phalloidin (red). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).

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Product Includes Quantity Applications Reactivity MW(kDa) Isotype
Phospho-Rb (Ser780) (D59B7) Rabbit mAb 8180 20 µl
  • WB
  • IP
H M R Mk 110 Rabbit IgG
Phospho-Rb (Ser795) Antibody 9301 20 µl
  • WB
  • IP
H R Mk 110 Rabbit 
Phospho-Rb (Ser807/811) (D20B12) XP® Rabbit mAb 8516 20 µl
  • WB
  • IP
  • IHC
  • IF
  • F
H M R Mk 110 Rabbit IgG
Rb (4H1) Mouse mAb 9309 20 µl
  • WB
  • IP
  • IHC
  • IF
  • F
  • ChIP
H Mk B Pg 110 Mouse IgG2a
Anti-rabbit IgG, HRP-linked Antibody 7074 100 µl
  • WB
Goat 
Anti-mouse IgG, HRP-linked Antibody 7076 100 µl
  • WB
Horse 

The Rb Antibody Sampler Kit provides reagents and protocols to investigate cell cycle progression within cells. The kit contains primary and secondary antibodies to perform two Western blot experiments with each antibody.

All antibodies contained in this kit detect endogenous levels of their respective target protein.

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide and are purified by protein A and peptide affinity chromatography. Monoclonal antibodies are produced by immunizing animals with recombinant human proteins or synthetic peptides.

The retinoblastoma tumor suppressor protein Rb regulates cell proliferation by controlling progression through the restriction point within the G1-phase of the cell cycle (1). Rb has three functionally distinct binding domains and interacts with critical regulatory proteins including the E2F family of transcription factors, c-Abl tyrosine kinase, and proteins with a conserved LXCXE motif (2-4). Cell cycle-dependent phosphorylation by a CDK inhibits Rb target binding and allows cell cycle progression (5). Rb inactivation and subsequent cell cycle progression likely requires an initial phosphorylation by cyclin D-CDK4/6 followed by cyclin E-CDK2 phosphorylation (6). Specificity of different CDK/cyclin complexes has been observed in vitro (6-8) and cyclin D1 is required for Ser780 phosphorylation in vivo (9).

  1. Sherr, C.J. (1996) Science 274, 1672-7.
  2. Nevins, J.R. (1992) Science 258, 424-9.
  3. Welch, P.J. and Wang, J.Y. (1993) Cell 75, 779-90.
  4. Hu, Q.J. et al. (1990) EMBO J 9, 1147-55.
  5. Knudsen, E.S. and Wang, J.Y. (1997) Mol Cell Biol 17, 5771-83.
  6. Lundberg, A.S. and Weinberg, R.A. (1998) Mol Cell Biol 18, 753-61.
  7. Connell-Crowley, L. et al. (1997) Mol Biol Cell 8, 287-301.
  8. Kitagawa, M. et al. (1996) EMBO J 15, 7060-9.
  9. Geng, Y. et al. (2001) Proc Natl Acad Sci USA 98, 194-9.
Entrez-Gene Id
5925
Swiss-Prot Acc.
P06400
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

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Product # Size Price
9969T
1 Kit (4 x 20 µl) $ 310.0