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43049
Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit
Primary Antibodies
Antibody Sampler Kit

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit #43049

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Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 1

Immunohistochemical analysis of paraffin-embedded human tonsil using CD3ε (D7A6E™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 2

Immunohistochemical analysis of paraffin-embedded human mucoepidermoid carcinoma of the larynx using CD3ε (D7A6E™) XP® Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 3

Flow cytometric analysis of fixed and permeabilized human whole blood using CD8α (D8A8Y) Rabbit mAb co-stained with CD4-PE, showing a distinct CD8α positive population with no cross reactivity to CD4 positive cells. Anti-rabbit IgG (H+L), F(ab')2 Fragment (Alexa Fluor® 647 Conjugate) #4414 was used as a secondary antibody.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 4

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using Tox/Tox2 (E6I3Q) Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 5

Chromatin immunoprecipitations were performed with cross-linked chromatin from mouse thymocytes and either TCF1/TCF7 (C63D9) Rabbit mAb or Normal Rabbit IgG #2729 using SimpleChIP® Plus Enzymatic Chromatin IP Kit (Magnetic Beads) #9005. The enriched DNA was quantified by real-time PCR using SimpleChIP® Mouse LEF1 Upstream Primers #80993 and SimpleChIP® Mouse MYT-1 Promoter Primers #8985. 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.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 6

Immunohistochemical analysis of paraffin-embedded human colon adenocarinoma using Granzyme B (D6E9W) Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 7

Flow cytometric analysis of fixed and permeabilized human peripheral blood mononuclear cells, untreated (left column) or treated with anti-CD3 (10ug/ml, 72hr) and anti-CD28 (5ug/ml, 72 hr; right column), using PD-1 (D4W2J) XP® Rabbit mAb #86163 (top row) or concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (bottom row), and co-stained with CD3 (UCHT1) Mouse mAb (APC Conjugate) #19881.  Anti-rabbit IgG (H+L), F(ab')2 Fragment (Alexa Fluor® 488 Conjugate) #4412 was used as a secondary antibody.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 8

Immunohistochemical analysis of paraffin-embedded human infiltrating papillary carcinoma of the breast using PD-1 (D4W2J) XP® Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 9

Confocal immunofluorescent analysis of human CD8+ T cells using TIGIT (E5Y1W) XP® Rabbit mAb (green) and CD8α (RPA-T8) Mouse mAb (FITC Conjugate) #55397 (red pseudocolor). Samples were mounted in ProLong® Gold Antifade Reagent with DAPI #8961 (blue). CD8+ T cells were purified from human blood and stimulated for 7 days using beads coated with CD3 and CD28 antibodies in the presence of Human Interleukin-2 (hIL-2) #8907 (20 ng/mL).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 10

Flow cytometric analysis of Jurkat cells (blue) and primary CD4+ T cells (green) using TIM-3 (D5D5R™) XP® Rabbit mAb (solid lines) or a concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (dashed lines). Anti-rabbit IgG (H+L), F(ab')2 fragment (Alexa Fluor® 488 Conjugate) #4412 was used as a secondary antibody. CD4+ T cells were purified from human blood and stimulated for 9 days using beads coated with CD3 and CD28 antibodies in the presence of Human Interleukin-2 (hIL-2) #8907 (6.7 ng/ml).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 11

Western blot analysis of extracts from primary human CD4+ T cells and various cell lines using TIM-3 (D5D5R™) XP® Rabbit mAb (upper) or β-Actin (D6A8) Rabbit mAb #8457 (lower). CD4+ T cells were purified from human blood and stimulated for 9 days using beads coated with CD3 and CD28 antibodies in the presence of Human Interleukin-2 (hIL-2) #8907 (6.7 ng/ml).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 12

Immunohistochemical analysis of paraffin-embedded renal clear cell carcinoma using TIM-3 (D5D5R™) XP® Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 13

Immunohistochemical analysis of paraffin-embedded human breast ductal carcinoma using LAG3 (D2G4O™) XP® Rabbit mAb performed on the Leica® Bond™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 14

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.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 15

Immunohistochemical analysis of paraffin-embedded human endometrioid adenocarcinoma using CD3ε (D7A6E™) XP® Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 16

Immunohistochemical analysis of paraffin-embedded human Crohn's diseased colon using CD8a (D8A8Y) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 17

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using Tox/Tox2 (E6I3Q) Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 18

Flow cytometric analysis of A20 cells (blue) and EL-4 cells (green) using TCF1/TCF7 (C63D9) Rabbit mAb (solid lines) or a concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (dashed lines). Anti-rabbit IgG (H+L), F(ab')2 Fragment (Alexa Fluor® 488 Conjugate) #4412 was used as a secondary antibody.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 19

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using PD-1 (D4W2J) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 20

Confocal immunofluorescent analysis of MJ [G11] cells (left, positive) and IGROV-1 cells (right, negative) using TIGIT (E5Y1W) XP® Rabbit mAb (green). Samples were mounted in ProLong® Gold Antifade Reagent with DAPI #8961 (blue).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 21

Western blot analysis of extracts from 293T cells, untransfected (-) or transfected with a construct expressing full-length human Myc/DDK-tagged TIM-3 (hTIM-3-Myc/DDK; +), using TIM-3 (D5D5R™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 22

Immunohistochemical analysis of paraffin-embedded human tonsil using TIM-3 (D5D5R™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 23

Immunohistochemical analysis of paraffin-embedded HDLM-2 (left) and PC-3 (right) cell pellets on SignalSlide® PD-L1 IHC Controls #13747 using LAG3 (D2G4O™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 24

Immunohistochemical analysis of paraffin-embedded human breast carcinoma using CD3ε (D7A6E™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 25

Immunohistochemical analysis of paraffin-embedded human lung carcinoma using CD8a (D8A8Y) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 26

Immunohistochemical analysis of paraffin-embedded human renal cell carcinoma using Tox/Tox2 (E6I3Q) Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 27

Confocal immunofluorescent analysis of DLD-1 cells using TCF1/TCF7 (C63D9) Rabbit mAb (green). Actin filaments have been labeled with Alexa Fluor® 555 phalloidin (red).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 28

Immunohistochemical analysis of paraffin-embedded human papillary carcinoma of the breast using Granzyme B (D6E9W) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 29

Immunohistochemical analysis of paraffin-embedded human B-cell non-Hodgkin's lymphoma using PD-1 (D4W2J) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 30

Immunohistochemical analysis of paraffin-embedded 293T cell pellets, control (left-top) or TIGIT-transfected (right-top), MJ [G11] cell pellet (left-bottom, positive), and purified CD8+ human peripheral blood mononuclear cell pellet (right-bottom, positive), using TIGIT (E5Y1W) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 31

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using TIM-3 (D5D5R™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 32

Immunohistochemical analysis of paraffin-embedded human colitis using LAG3 (D2G4O™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 33

Immunohistochemical analysis of paraffin-embedded human non-Hodgkin's lymphoma using CD3ε (D7A6E™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 34

Immunohistochemical analysis of paraffin-embedded human lymphoma using CD8a (D8A8Y) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 35

Immunohistochemical analysis of paraffin-embedded human gastric adenocarcinoma using Tox/Tox2 (E6I3Q) Rabbit mAb performed on the Leica® BOND™ Rx.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 36

Immunohistochemical analysis of paraffin-embedded human Non-Hodgkin's lymphoma using TCF1/TCF7 (C63D9) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 37

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using Granzyme B (D6E9W) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 38

Immunohistochemical analysis of paraffin-embedded 293 cell pellets, control (left) or PD-1 transfected (right), using PD-1 (D4W2J) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 39

Immunohistochemical analysis of paraffin-embedded human urothelial carcinoma using TIGIT (E5Y1W) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 40

Immunohistochemical analysis of paraffin-embedded human lung carcinoma using TIM-3 (D5D5R™) XP® Rabbit mAb. Note staining of alveolar macrophages.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 41

Immunohistochemical analysis of paraffin-embedded human tonsil using LAG3 (D2G4O™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 42

Immunohistochemical analysis of paraffin-embedded MOLT-4 (left) and PC-3 (right) cell pellets using CD3ε (D7A6E™) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 43

Western blot analysis of extracts from MOLT-4 and PC-3 cells using CD8α (D8A8Y) Rabbit mAb (upper) and β-Actin (D6A8) Rabbit mAb #8457 (lower).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 44

Immunohistochemical analysis of paraffin-embedded normal human spleen using Tox/Tox2 (E6I3Q) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 45

Immunohistochemical analysis of paraffin-embedded human lung carcinoma using TCF1/TCF7 (C63D9) Rabbit mAb in the presence of control peptide (left) or TCF1/TCF7 blocking peptide #1007 (right).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 46

Immunohistochemical analysis of paraffin-embedded KARPAS-299 cell pellet (left, positive) or Jurkat cell pellet (right, negative) using Granzyme B (D6E9W) Rabbit mAb. KARPAS cell line source: Dr. Abraham Karpas at the University of Cambridge.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 47

Immunohistochemical analysis of paraffin-embedded human non-Hodgkin's lymphoma using Granzyme B (D6E9W) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 48

Multiplex immunohistochemical analysis of paraffin-embedded human breast carcinoma usng PD-1 (D4W2J) XP® rabbit mAb (green), PD-L1 (E1L3N®) XP® rabbit mAb #13684 (red), LAG3 (D2G4O™) XP® rabbit mAb #15372 (magenta), TIM-3 (D5D5R™) XP® rabbit mAb #45208 (yellow), CD8α (C8/144B) mouse mAb #70306 (orange), and Pan-keratin (C11) mouse mAb #4545 (cyan).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 49

Immunohistochemical analysis of paraffin-embedded human colon adenocarcinoma using TIGIT (E5Y1W) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 50

Immunohistochemical analysis of paraffin-embedded cell pellets, primary CD4+ T cells (left) and HT-29 cells (right), using TIM-3 (D5D5R™) XP® Rabbit mAb. CD4+ T cells were purified from human blood and stimulated for 7 days using beads coated with CD3 and CD28 antibodies in the presence of Human Interleukin-2 (hIL-2) #8907 (6.7 ng/ml).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 51

Immunohistochemical analysis of paraffin-embedded rat testis using Tox/Tox2 (E6I3Q) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 52

Immunohistochemical analysis of paraffin-embedded human tonsil using TCF1/TCF7 (C63D9) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 53

Western blot analysis of extracts from various human cells using Granzyme B (D6E9W) Rabbit mAb (upper) and β-actin (D6A8) Rabbit mAb #8457 (lower). CD8+ T cells were purified from human blood and stimulated for 9 days using beads coated with CD3 and CD28 antibodies in the presence of human interleukin-2 (hIL-2) #8907 (20 ng/ml). KARPAS cell line source: Dr. Abraham Karpas at the University of Cambridge.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 54

Multiplex immunohistochemical analysis of paraffin-embedded human ovarian carcinoma using PD-1 (D4W2J) XP® rabbit mAb (green), B7-H3 (D9M2L) XP® rabbit mAb #14058 (red), B7-H4 (D1M8I) XP® rabbit mAb (cyan), LAG3 (D2G4O™) XP® rabbit mAb #15372 (magenta), TIM-3 (D5D5R™) XP® rabbit mAb #45208 (yellow), and VISTA (D1L2G™) XP® rabbit mAb #64953 (orange).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 55

Immunohistochemical analysis of paraffin-embedded human esophageal carcinoma using TIGIT (E5Y1W) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 56

Western blot analysis of extracts from MOLT-4, HuT 102, and PC-3 cells using CD3ε (D7A6E™) XP® Rabbit mAb (upper) or β-Actin (D6A8) Rabbit mAb #8457 (lower).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 57

Immunohistochemical analysis of paraffin-embedded rat spleen using Tox/Tox2 (E6I3Q) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 58

Western blot analysis of total cell lysates from HT29, Colo201, Jurkat and mouse thymocytes using TCF1/TCF7 (C63D9) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 59

Western blot analysis of extracts from CTLL-2, mouse CD8+ T, and C2C12 cells using Granzyme B (D6E9W) Rabbit mAb (upper) and β-actin (D6A8) Rabbit mAb #8457 (lower). CD8+ T cells were purified from mouse spleens and stimulated for 9 days using beads coated with mouse CD3 and CD28 antibodies in the presence of Mouse Interleukin-2 (mIL-2) #5201 (20 ng/ml).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 60

Immunohistochemical analysis of paraffin-embedded human squamous cell carcinoma of the tonsil using TIGIT (E5Y1W) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 61

Multiplex immunohistochemical analysis of paraffin-embedded human lung adenocarcinoma using TIM-3 (D5D5R™) XP® rabbit mAb, PD-1 (EH33) mouse mAb #43248 (green), CD8α (C8/144B) mouse mAb #70306 (magenta), CD68 (D4B9C) XP® rabbit mAb #76437 (red), Pan-keratin (C11) mouse mAb #4545 (cyan),and LAG3 (D2G4O™) XP® rabbit mAb #15372 (orange).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 62

Immunohistochemical analysis of paraffin-embedded rat small intestine using Tox/Tox2 (E6I3Q) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 63

Immunoprecipitation of PD-1 protein from Molt-4 cell extracts. Lane 1 is 10% input, lane 2 is Rabbit (DA1E) mAb IgG XP® Isotype Control #3900, and lane 3 is PD-1 (D4W2J) XP® Rabbit mAb. Western blot analysis was performed using PD-1

(D4W2J) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 64

Immunohistochemical analysis of paraffin-embedded human non-small cell lung carcinoma using TIGIT (E5Y1W) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 65

Western blot analysis of extracts from HDLM-2, HuT 78, and Jurkat cells using LAG3 (D2G4O™) XP® Rabbit mAb (upper) and β-Actin (D6A8) Rabbit mAb #8457 (lower).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 66

Immunohistochemical analysis of paraffin-embedded SU-DHL-4 cell pellet (left, positive) or ZR-75-1 cell pellet (right, negative) using Tox/Tox2 (E6I3Q) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 67

Western blot analysis of extracts from human CD4+ T cells, MOLT-4, and Jurkat cells using PD-1 (D4W2J) XP® Rabbit mAb (upper), and β-Actin (D6A8) Rabbit mAb #8457 (lower). CD4+ T cells were purified from human blood and stimulated for 9 days using beads coated with CD3 and CD28 antibodies in the presence of human interleukin-2 (hIL-2) #8907 (6.7 ng/ml).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 68

Immunohistochemical analysis of paraffin-embedded human B-cell non-Hodgkin's lymphoma using TIGIT (E5Y1W) XP® Rabbit mAb (left) compared to concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (right).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 69

Immunohistochemical analysis of paraffin-embedded human tonsil using Tox/Tox2 (E6I3Q) Rabbit mAb (left) compared to concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (right).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 70

Immunohistochemical analysis of paraffin-embedded human prostate adenocarcinoma using TIGIT (E5Y1W) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 71

Immunohistochemical analysis of paraffin-embedded human endometrioid adenocarcinoma (left), human T-cell lymphoma (middle), or mouse spleen (right) using Tox/Tox2 (E6I3Q) Rabbit mAb (top) or Tox Rat mAb (bottom). These two antibodies detect independent, unique epitopes on human Tox. The similar staining patterns obtained with both antibodies help to confirm the specificity of the staining.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 72

Immunohistochemical analysis of paraffin-embedded human tonsil using TIGIT (E5Y1W) XP® Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 73

Immunoprecipitation of Tox/Tox2 protein from SU-DHL-4 cell extracts. Lane 1 is 10% input, lane 2 is Rabbit (DA1E) mAb IgG XP® Isotype Control #3900, and lane 3 is Tox/Tox2 (E6I3Q) Rabbit mAb. Western blot analysis was performed using Tox/Tox2 (E6I3Q) Rabbit mAb.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 74

Immunoprecipitation of TIGIT protein from MJ [G11] cell extracts. Lane 1 is 10% input, lane 2 is Rabbit (DA1E) mAb IgG XP® Isotype Control #3900, and lane 3 is TIGIT (E5Y1W) XP® Rabbit mAb. Western blot analysis was performed using TIGIT (E5Y1W) XP® Rabbit mAb. Mouse Anti-rabbit IgG (Conformation Specific) (L27A9) mAb (HRP Conjugate) #5127 was used as the secondary antibody.

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 75

Western blot analysis of extracts from human and mouse cell lines and rat tissue using Tox/Tox2 (E6I3Q) Rabbit mAb (upper) and β-Actin (D6A8) Rabbit mAb #8457 (lower).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 76

Western blot analysis of extracts from human CD8+ T cells and various human cell lines using TIGIT (E5Y1W) XP® Rabbit mAb (upper) and β-Actin (D6A8) Rabbit mAb #8457 (lower).

Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit: Image 77

Western blot analysis of extracts from 293T cells, mock transfected (-) or transfected (+) with constructs expressing Myc/DDK-tagged full-length human Tox protein (hTox-Myc/DDK), Myc/DDK-tagged full-length human Tox2 protein (hTox2-Myc/DDK), Myc/DDK-tagged full-length human Tox3 protein (hTox3-Myc/DDK), or Myc/DDK-tagged full-length human Tox4 protein (hTox4-Myc/DDK), using Tox/Tox2 (E6I3Q) Rabbit mAb (upper), Myc-Tag (71D10) Rabbit mAb #2278 (middle), and β-Actin (D6A8) Rabbit mAb #8457 (lower).

To Purchase # 43049T
製品番号 サイズ 価格 在庫
43049T
1 Kit  (9 x 20 µl)

Product Includes Quantity Applications Reactivity MW(kDa) Isotype
CD3ε (D7A6E™) XP® Rabbit mAb 85061 20 µl
  • WB
  • IP
  • IHC
H 23 Rabbit IgG
CD8α (D8A8Y) Rabbit mAb 85336 20 µl
  • WB
  • IP
  • IHC
  • F
H 29 Rabbit IgG
Tox/Tox2 (E6I3Q) Rabbit mAb 73758 20 µl
  • WB
  • IP
  • IHC
H M R 60-80 Rabbit IgG
TCF1/TCF7 (C63D9) Rabbit mAb 2203 20 µl
  • WB
  • IP
  • IHC
  • IF
  • F
  • ChIP
H M 48, 50 Rabbit IgG
Granzyme B (D6E9W) Rabbit mAb 46890 20 µl
  • WB
  • IHC
H M 30 Rabbit IgG
PD-1 (D4W2J) XP® Rabbit mAb 86163 20 µl
  • WB
  • IP
  • IHC
  • F
H 52-65 Rabbit IgG
TIGIT (E5Y1W) XP® Rabbit mAb 99567 20 µl
  • WB
  • IP
  • IHC
  • IF
H 18, 30-40 Rabbit IgG
TIM-3 (D5D5R™) XP® Rabbit mAb 45208 20 µl
  • WB
  • IP
  • IHC
  • F
H 45-70 Rabbit IgG
LAG3 (D2G4O™) XP® Rabbit mAb 15372 20 µl
  • WB
  • IHC
H 60-80 Rabbit IgG
Anti-rabbit IgG, HRP-linked Antibody 7074 100 µl
  • WB
Goat 

Product Description

The Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit provides an economical means of characterizing the extent of exhaustion in T cells in formalin-fixed, paraffin-embedded tissue samples.

Specificity / Sensitivity

Each antibody in the Human Exhausted CD8+ T Cell IHC Antibody Sampler Kit detects endogenous levels of its target human protein. Tox/Tox2 (E6I3Q) Rabbit mAb does not cross-react with Tox3 or Tox4 proteins. TCF1/TCF7 (C63D9) Rabbit mAb does not recognize the dominant negative isoforms of TCF1/TCF7 lacking the amino-terminal β-catenin binding domain and does not cross-react with LEF1. Granzyme B (D6E9W) Rabbit mAb recognizes human Granzyme B protein and is also reactive with mouse Granzyme B; however, this antibody is not suggested for immunohistochemical analysis of mouse tissues. Instead, Granzyme B (E5V2L) Rabbit mAb (Mouse Specific) #44153 is recommended for IHC analysis of mouse tissue samples. Non-specific staining using Granzyme B (D6E9W) Rabbit mAb in the sweat glands has been observed. TIGIT (E5Y1W) XP® Rabbit mAb cross-reacts with an unidentified protein of 42 kDa in some cell extracts.

Source / Purification

Monoclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding the carboxy terminus of human CD8α protein, Glu178 of human CD3ε protein, Ala522 of human Tox protein, Pro96 of human TCF1/TCF7 protein, and Ala274 of human PD-1 protein. Monoclonal antibodies are produced by immunizing animals with a recombinant protein specific to human Granzyme B protein, the carboxy terminus of human TIGIT protein, the extracellular domain of human TIM-3 protein, and the amino terminus of human LAG3 protein.

Background

Cluster of Differentiation 3 (CD3) is a multiunit protein complex expressed on the surface of T cells that directly associates with the T cell receptor (TCR). CD3 is composed of four polypeptides: ζ, γ, ε, and δ. Engagement of the TCR complex with antigens presented in major histocompatibility complexes induces tyrosine phosphorylation in the immunoreceptor tyrosine-based activation motif (ITAM) of CD3 proteins. CD3 phosphorylation is required for downstream signaling through ZAP-70 and p85 subunit of PI-3 kinase, leading to T cell activation, proliferation, and effector functions (1). CD8 is a transmembrane glycoprotein expressed primarily on cytotoxic T cells, but has also been described on a subset of dendritic cells in mice (2,3). On T cells, CD8 is a co-receptor for the TCR, and these two distinct structures are required to recognize antigen bound to MHC Class I. CD8 ensures specificity of the TCR–antigen interaction, prolongs the contact between the T cell and the antigen presenting cell, and recruits the tyrosine kinase Lck, which is essential for T cell activation (2).

Tox, Tox2, and TCF1/TCF7 play key roles in T cell development. Tox is also induced by high antigen stimulation during chronic viral infection or cancer, regulating T cell persistence and exhaustion. TCF1/TCF7 preserves the effector function of exhausted T cells during viral infection or cancer. EOMES is a key transcription factor for memory T cells and for full effector differentiation of CD8+ T cells. The dynamic expression of these transcription factors help characterize the extent to which a T cell is exhausted and will respond to antigen stimulation (4-8). Granzyme B is a serine protease expressed by cytotoxic T lymphocytes and natural killer (NK) cells and is a key component of immune responses to pathogens and transformed cells (9).

PD-1 (PDCD1, CD279), TIGIT (VSIG9, VSTM3), TIM-3 (HAVCR2), and LAG3 (CD223) are immune cell co-inhibitory receptors (also known as immune checkpoints) that negatively regulate T cell function and dampen the immune response to pathogens and cancer (10-15). In addition to activated T cells, PD-1 is expressed by activated B cells and monocytes. Following interaction with its ligands, PD-L1 and PD-L2, PD-1 is phosphorylated at ITIM and ITSM motifs leading to recruitment of protein tyrosine phosphatases SHP-1 and SHP-2 and suppression of TCR signaling. TIGIT is expressed at low levels on subsets of T cells and NK cells, and is upregulated at the protein level following activation of these cells. TIGIT marks exhausted T cells in the tumor microenvironment and during human immunodeficiency virus (HIV) infection. TIM-3 is expressed by exhausted T cells in the settings of chronic infection and cancer. Tumor-infiltrating macrophages and dendritic cells also express TIM-3. LAG3 is primarily expressed by activated CD4+ T cells, CD8+ T cells, FoxP3+ T regulatory cells (Tregs), and natural killer (NK) cells. Co-expression of multiple immune checkpoints help characterize the extent to which a T cell is exhausted and will respond to antigen stimulation. Therapeutic blockade of several of these immune checkpoint receptors is a promising strategy for neoplastic intervention by enabling anti-tumor immune responses (10-15).

  1. Kuhns, M.S. et al. (2006) Immunity 24, 133-139.
  2. Zamoyska, R. (1994) Immunity 1, 243-46.
  3. Shortman, K. and Heath, W.R. (2010) Immunol Rev 234, 18-31.
  4. Aliahmad, P. et al. (2012) Curr Opin Immunol 24, 173-7.
  5. Yao, C. et al. (2019) Nat Immunol 20, 890-901.
  6. Alfei, F. et al. (2019) Nature 571, 265-9.
  7. Seo, H. et al. (2019) Proc Natl Acad Sci U S A 116, 12410-12415.
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法的な権限を与えられたCSTの担当者が署名した書面によって別途明示的に合意された場合を除き、 CST、その関連会社または代理店が提供する製品には以下の条件が適用されます。お客様が定める条件でここに定められた条件に含まれるものを超えるもの、 または、ここに定められた条件と異なるものは、法的な権限を与えられたCSTの担当者が別途書面にて受諾した場合を除き、拒絶され、 いかなる効力も効果も有しません。

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For Research Use Only. Not For Use In Diagnostic Procedures.
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D2G4O is a trademark of Cell Signaling Technology. Inc.
D5D5R is a trademark of Cell Signaling Technology. Inc.
D7A6E is a trademark of Cell Signaling Technology. Inc.
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U.S. Patent No. 7,429,487, foreign equivalents, and child patents deriving therefrom.
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