Astana Biomed Group, an authorized Abcam distributor in Central Asia

Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [CAL20] to PD1 - BSA and Azide free
  • Suitable for: IHC-P, mIHC, WB, ICC/IF
  • Reacts with: Human

Overview

  • Product name

    Anti-PD1 antibody [CAL20] - BSA and Azide free
    See all PD1 primary antibodies

  • Description

    Rabbit monoclonal [CAL20] to PD1 - BSA and Azide free

  • Host species

    Rabbit

  • Tested applications

    Suitable for: IHC-P, mIHC, WB, ICC/IFmore details
    Unsuitable for: Flow Cyt or IP

  • Species reactivity

    Reacts with: Human

  • Immunogen

    Synthetic peptide. This information is proprietary to Abcam and/or its suppliers.

  • Positive control

    • WB: MOLT-4 (treated with 10ng/ml PMA and 500ng/ml Ionomycin for 24h) whole cell lysate. ICC/IF: MOLT-4 cells (treated with 10ng/ml PMA and 500ng/ml Ionomycin for 24h). IHC-P: Human tonsil, lymph node and lung carcinoma tissues. mIHC: Human tonsil tissue.

  • General notes

    Ab251613 is the carrier-free version of ab237728. This format is designed for use in antibody labeling, including fluorochromes, metal isotopes, oligonucleotides, enzymes.

     

    Our carrier-free formats are supplied in a buffer free of BSA, sodium azide and glycerol for higher conjugation efficiency.

    Use our conjugation kits  for antibody conjugates that are ready-to-use in as little as 20 minutes with

    ab251613 is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm.

    Maxpar® is a trademark of Fluidigm Canada Inc.

Properties

Images

  • Multiplex immunohistochemistry - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)
    Multiplex immunohistochemistry - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)

    This data was developed using the same antibody clone in a different buffer formulation (ab237728).

    Fluorescence multiplex immunohistochemical analysis of normal human tonsil tissue (formalin-fixed paraffin-embedded section).

    Merged staining of anti-PD1 (ab237728; orange; Opal™520), anti-PDL1 (ab237726; green; Opal™540), anti-CD68 (ab192847; yellow; Opal™570), anti-CD3 (ab16669; red; Opal™620), anti-Ki67 (ab16667; light blue; Opal™650) and anti-PanCK (ab7753; grey; Opal™690).

    The immunostaining was performed on a Leica Biosystems BOND® RX instrument with an Opal™ 7-color automation IHC kit (NEL821001KT, Akoya Biosciences®).

    The section was incubated in six rounds of staining; in the order of ab237728 (1/500 dilution), ab237726 (1/500 dilution), ab192847 (1/300 dilution), ab16669 (1/300 dilution), ab16667 (1/200 dilution) and ab7753 (1/200 dilution); each using a separate fluorescent tyramide signal amplification system.

    Sodium citrate antigen retrieval (Leica ER1, pH6.0, 30 minutes) was used in between rounds of tyramide signal amplification to remove the antibody from the previous round, to avoid any cross-reactivity.

    DAPI (dark blue) was used as a nuclear counter stain.

    Microscopy and pseudocoloring of individual Opal™ dyes was performed using a Vectra Polaris.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)

    Immunohistochemical analysis of paraffin-embeded human tonsil tissue labeling PD1 with ab237728 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) ready to use. Positive staining on the human tonsil.is observed. Counter stained with hematoxylin.

    Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) ready to use.

    Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 30 mins.

    The section was incubated with ab237728 for 15 mins at room temperature.

    The immunostaining was performed on a Leica Biosystems BOND® RX instrument.

    This data was developed using the same antibody clone in a different buffer formulation containing PBS and sodium azide (ab237728).

  • Immunocytochemistry/ Immunofluorescence - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)
    Immunocytochemistry/ Immunofluorescence - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)

    Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized MOLT-4 (human lymphoblastic leukemia cell line) cells labeling PD1 with ab237728 at 1/50 dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green). Confocal image showing membranous staining in MOLT-4 cells treated with PMA (10ng/ml 24h) and Ionomycin(500ng/ml 24h). The nuclear counter stain is DAPI (blue). Tubulin is detected with Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) (ab195889) at 1/200 dilution (red).

    Secondary antibody only control: Used PBS instead of primary antibody, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution.

    Cells were either untreated, ot treated with treated with PMA (10ng/ml 24h) and Ionomycin (500ng/ml 24h).

    This data was developed using the same antibody clone in a different buffer formulation containing PBS and sodium azide (ab237728).

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)

    Formalin-fixed, paraffin-embedded human lymph node tissue stained for PD1 using ab237728 at 0.125 µg/ml dilution in immunohistochemical analysis.

    This data was developed using the same antibody clone in a different buffer formulation containing PBS and sodium azide (ab237728).

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)
    Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)

    Formalin-fixed, paraffin-embedded human lung carcinoma tissue stained for PD1 using ab237728 at 0.125 µg/ml dilution in immunohistochemical analysis.

    This data was developed using the same antibody clone in a different buffer formulation containing PBS and sodium azide (ab237728).

  • Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)
    Anti-PD1 antibody [CAL20] - BSA and Azide free (ab251613)

Please note: All products are "FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES"
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