0658 v3.0 Duolink In Situ Probemaker Instruction
Contents
1. 1xPBS and spin again for 1 min and repeat 4 times Place the column in a new microfuge tube b Add your antibody 12 50 pl to the column and spin again for 2 min at 3000 rpm The concentration of the collected antibody should be verified by OD 1 mg ml should have an OD 280 nm of 1 4 Concentrating very diluted antibodies prior to Duolink In Situ Probemaker conjugation is not recommended unless you have large amounts since losses are very high with filter type concentrators Duolink In Situ Probemaker 4 Reagent preparation and storage Store the unused Probemaker kit at 20 C Expiration date is marked on each individual lot Once you have conjugated your antibody we recommend storage at 4 C The Storage Solution contains buffer and reagents for stabilizing and preserving the conjugated antibody Please note that you might need to add other components to preserve your specific antibody Each kit contains reagents to conjugate 20 ug antibody at a concentration of 1 mg ml Duolink In Situ oligonucleotide PLUS or MINUS store at 20 C gt One vial with lyophilized activated oligonucleotide for one conjugation of 20 ug antibody at a concentration of 1 mg ml Conjugation Buffer store at 20 C gt Reagents for buffering the conjugation reaction Vortex before use b Ready to use solution Stop Reagent store at 20 C Reagents for stopping the conjugation reaction Vortex before use b Ready to use s2. PLA protocol given in section 5 2 3 if you have conjugated your primary antibodies and 5 2 4 if you have conjugated your secondary antibodies Before you start your samples should be deposited on glass slides and pre treated with respect to fixation retrieval and or permeabilization Your reaction area must be delimited e g with a hydrophobic barrier pen Use reaction volumes corresponding to your delimited reaction area see the Reaction Volume Guide Art no 80520 Use open droplet reactions without a cover slip and perform all incubations in a humidity chamber Duolink In Situ Probemaker 9 5 2 1 PLA PROBE PROTOCOL CUSTOM SOLUTIONS AND CONJUGATED PRIMARY ANTIBODIES Follow this protocol if you use your own custom blocking solution and antibody diluent and if you have used Probemaker to conjugate primary antibodies 1 BLOCKING Use your previously optimized blocking solution If you are using Duolink In Situ Detection Reagents Brightfield we recommend a peroxidase guenching step before blocking a Add your custom blocking solution to each sample b Incubate the slides 2 PLA PROBES Use your previously optimized antibody diluent to dilute your conjugated antibodies PLA probes a Dilute the Assay Reagent 20x 1 20 in your custom antibody diluent b Dilute your conjugated antibodies PLA probes one PLUS and one MINUS to a suitable concentration in your antibody diluent containing 1x Assay Reagent Allo
3. product is covered by several patents and patent applications including US 6 511 809 US 6 558 928 US 6 8785 15 US 7074 564 US 5 665 539 and related US and foreign patents For use only as licensed by Amersham Biosciences Corp part of GE Healthcare Bio Sciences and Molecular Staging Inc The Phi 29 DNA polymerase may not be re sold or used except in conjunction with the other components of this product See U S Patent Nos 5 854 033 6 124 120 6 143 495 5 001 050 5 198 543 5 576 204 and related U S and foreign patents The oligonucleotide labeling components in this kit utilise Lightning Link technology and are provided under license from Innova Biosciences 2012 Olink AB All third party trademarks are the property of their respective owners Olink Bioscience O L 1 N K Dag Hammarskj lds v 52B SE 752 37 Uppsala Sweden BIOSCIENCE www olink com 0658 v 3 0 2012 03 12
4. solutions and conjugated secondary antibodies 5 2 2 Duolink In Situ solutions and conjugated primary antibodies 5 2 3 or Duolink In Situ solutions and conjugated secondary antibodies 5 2 4 This depends on if you have your own custom blocking solution and antibody diluent or if you use the supplied Duolink In Situ solutions and if you have used Probemaker to conjugate your primary or secondary antibodies To perform a complete Duolink In Situ assay and generate PLA signals you also need your choice of Detection Reagents Wash Buffers and Mounting Medium The Detection protocol is described in the Duolink In Situ User Manual Doc no 0650 for Fluorescence and Doc no 0656 for Brightfield Please visit www olink com for more information 5 1 CONJUGATION PROTOCOL Ensure that your antibody to be conjugated has a concentration of 1mg ml 20 ug 20 pl of antibody is needed per conjugation The antibody buffer should be carrier and preservative free but may contain up to 0 1 BSA 5 trehalose and 0 02 sodium azide CONJUGATION OF PLA OLIGONUCLEOTIDE TO ANTIBODY 1 Add 2 ul of Conjugation Buffer to 20 pl of the antibody to be conjugated The antibody concentration should be 1 mg ml 2 Mix gently with a pipette 3 Transfer the antibody solution to one vial of lyophilized oligonucleotide PLUS or MINUS Note After opening the vial add the antibody solution immediately 4 Mix gently with a pipette 5 Incubate at room t
5. DuolinkelnSitu BIOSCIENCE Instructions for Duolink In Situ Probemaker PLUS Art no 92009 0020 and Duolink In Situ Probemaker MINUS Art no 92010 0020 Table of content 1 INTRODUCTION 2 APPLICATIONS 2 1 Use antibodies from the same species 2 2 Use antibodies from any species rn 3 ANTIBODY REQUIREMENTS 3 1 Concentration and volume 3 2 Buffer 4 REAGENT PREPARATION AND STORAGE iii 7 5 PROTOCOLS arse 8 5 1 Conjugation protocol 8 5 2 PLA probe protocols 9 5 2 1 PLA probe protocol CUSTOM solutions and conjugated primary antibodies iss 10 5 2 2 PLA probe protocol CUSTOM solutions and conjugated secondary antibodies is 11 5 2 3 PLA probe protocol Duolink In Situ Solutions and conjugated primary antibodies ssr 12 5 2 4 PLA probe protocol Duolink In Situ Solutions and conjugated secondary antibodies in 13 Duolink In Situ Probemaker 3 4 1 Introduction Duolink In Situ Probemaker enables quick and convenient conjugation of the PLA oligonucleotide arms directly to primary antibodies or secondary antibodies raised against haptens or species other than mouse rabbit or goat The Duolink In Situ reagents are based on in situ PLA which is a proximity ligation assay technology A pair of oligonucleotide labeled antibodies PLA probes generates a signal only when the two PLA probes one
6. Fig 2 Fig 2 Detection of protein interactions using one or both primary antibodies derived from species other than mouse rabbit or goat Duolink In Situ Probemaker 5 6 3 Antibody requirements 3 1 CONCENTRATION AND VOLUME The antibody to be conjugated must have a concentration of 1 mg ml 20 ug 20 ul of antibody is needed per conjugation Note f a monoclonal antibody is used it should be Protein A or Protein G affinity purified 3 2 BUFFER The antibody must be in an amine free buffer ideally PBS The buffer should be carrier and preservative free but may contain up to 0 1 BSA 5 trehalose and 0 02 sodium azide If you are unsure about the composition of the buffer your antibodies are stored in Olink strongly recommends dialysis or buffer exchange prior to conjugation Antibodies from various sources and suppliers vary in residual primary amine content often in the form of remaining glycine from the acidic elution of the antibody during the antigen affinity purification step Even if the supplier states PBS content it is likely that there are residual amounts of primary amines Olink recommends the following standard procedure for buffer exchange Note Not for reducing high concentrations of BSA or other macromolecules b Pre eguilibrate an illustra MicroSpin G 50 Columns spin column GE Healthcare Art no 27 5330 01 with 1xPBS by first spinning the column at 3000 rpm for 1 min then add 400 pl of
7. PLA probe Diluent Note You may need to titrate your PLA probes to a suitable concentration we recommend you to start with the same concentration as you usually use for your secondary antibodies in IF or IHC b Tap off the primary antibody solution from the slides c Wash the slides in 1x Wash Buffer A or in a wash buffer suitable for your primary antibodies preferably 2 x 5 min Washing should be performed in a staining jar with a minimum volume of 70 ml on a shaker cradle with gentle orbital shaking Bring the wash buffers to room temperature before use d Add the diluted PLA probes to each sample e Incubate in a pre heated humidity chamber for 1 h at 37 C 4 DETECTION PROTOCOL Proceed to section 73 in the Duolink In Situ User Manual Doc no 0650 for Fluorescence and Doc no 0656 for Brightfield Duolink In Situ Probemaker 13 14 Duolink In Situ Probemaker This product is for research use only Not for use in human diagnostic or therapeutic procedures This product includes a license for non commercial use of the Duolink product Commercial users will require additional licenses Please contact Olink AB for details There are no warranties expressed or implied which extend beyond this description Olink AB is not liable for property damage personal injury or economic loss caused by this product The following trademarks are owned by Olink AB Olink amp Olink Bioscience Duolink and PLA This
8. PLUS and one MINUS have bound in close proximity The signal from each detected pair of PLA probes is visualized as an individual spot These PLA signals can be guantified counted and assigned to a specific subcellular location based on microscopy images With the Probemaker reagents you can create your own PLA probes by conjugating PLA oligonucleotides to antibodies To perform a complete Duolink In Situ assay you need one PLA probe PLUS and one PLA probe MINUS and in addition your choice of Detection reagents Wash Buffers and Mounting Medium For a complete list of products please visit www olink com or contact your local distributor Duolink In Situ Probemaker 2 Applications 2 1 USE ANTIBODIES FROM THE SAME SPECIES Study protein protein interactions protein modifications or single proteins using two primary antibodies derived from the same species Label one of the antibodies with the PLUS oligo and the other with the MINUS oligo Fig 1 Fig 1 Detection of protein interactions using primary antibodies from the same species 2 2 USE ANTIBODIES FROM ANY SPECIES Study protein protein interactions protein modifications or single proteins using one or both primary antibodies derived from species other than mouse rabbit or goat Label one of your secondary antibodies with the PLUS oligo and the other with the MINUS oligo Or combine one labeled secondary antibody with a standard secondary Duolink In Situ PLA probe
9. emperature over night 6 Add 2 ul of Stop Reagent to the reaction 7 Incubate at room temperature for 30 minutes 8 Add 24 ul of Storage Solution and possibly other reagents for stabilizing your specific antibody 9 The conjugation is now completed and your PLA probe is stable in the Storage Solution at 4 C gt Proceed to any of the four PLA probe protocols described in section 5 2 depending on your blocking solution and antibody diluent and if you have conjugated your primary or secondary antibodies 8 Duolink In Situ Probemaker 5 2 PLA PROBE PROTOCOLS It is recommended that you use your previously optimized blocking solution and antibody diluent or follow the recommendations from the antibody vendor when blocking and diluting your conjugated antibodies PLA probes Note that you have to add the Assay Reagent 20x to your custom antibody diluent before diluting your conjugated antibodies When using your own custom blocking solution and antibody diluent please follow the PLA probe protocol given in section 5 2 1 if you have conjugated your primary antibodies and 5 2 2 if you have conjugated your secondary antibodies If you do not have a previously optimized blocking solution or antibody diluent for your conjugated antibody you should use the Blocking Solution and the PLA probe Diluent included in the Probemaker kit These reagents use BSA as blocking agent When using these reagents please follow the
10. es in a pre heated humidity chamber for 1 h at 37 C 4 DETECTION PROTOCOL Proceed to section 73 in the Duolink In Situ User Manual Doc no 0650 for Fluorescence and Doc no 0656 for Brightfield Duolink In Situ Probemaker 11 12 5 2 3 PLA PROBE PROTOCOL DUOLINK IN SITU SOLUTIONS AND CONJUGATED PRIMARY ANTIBODIES Follow this protocol if you use the Blocking Solution and PLA probe Diluent included in the Probemaker kit and if you have used Probemaker to conjugate primary antibodies 1 BLOCKING If you are using Duolink In Situ Detection Reagents Brightfield we recommend a peroxidase guenching step before blocking a Add one drop of Blocking Solution per 1 cm One drop equals approximately 40 ul b Incubate the slides in a pre heated humidity chamber for 30 min at 37 C 2 PLA PROBES a Dilute your conjugated antibodies PLA probes one PLUS and one MINUS to a suitable concentration in the PLA probe Diluent Note You may need to titrate your PLA probes to a suitable concentration we recommend you to start with a higher concentration than what you usually use for your primary antibodies in IF or IHC b Tap off the Blocking Solution from the slides Try to obtain an equal residual volume on each slide as this will affect reproducibility Do not allow the samples to dry before adding the PLA probes as this will cause background c Add the diluted PLA probes to each sample d Incubate in a humidi
11. olution Storage Solution store at 20 C Buffer for preserving the conjugated antibody PLA probe b Vortex before use b Ready to use solution Assay Reagent 20x store at 20 C Specific reagent to be added to your own optimized antibody diluent Vortex before use gt Dilute 1 20 in your optimized antibody diluent prior to diluting the conjugated antibodies PLA probes Note f you do not have a previously optimized blocking solution or antibody diluent for your antibody please use the following Blocking Solution and PLA probe Diluent included in the Probemaker kit Blocking Solution store at 20 C to 4 C b For blocking of your sample prior to staining with Duolink In Situ Vortex before use Ready to use blocking solution one drop equals approximately 40 ul PLA probe Diluent store at 20 C b Buffer for diluting the conjugated antibody PLA probe to the final assay concentration Vortex before use b Ready to use solution Duolink In Situ Probemaker 7 5 Protocols This folder consists of two sections 5 1 Conjugation protocol and 5 2 PLA probe protocols The first Conjugation protocol in section 5 1 describes how to conjugate your antibody with either the PLUS or MINUS oligonucleotide to create a PLA probe Subsequent to the conjugation procedure proceed to any of the four PLA probe protocols in section 5 2 Custom solutions and conjugated primary antibodies 5 2 1 Custom
12. tibodies to a suitable concentration in your custom antibody diluent b Tap off the blocking solution from the slides Try to obtain an equal residual volume on each slide as this will affect reproducibility Do not allow the samples to dry before adding the primary antibodies as this will cause background c Add the primary antibody solution to each sample d Incubate in a humidity chamber Use temperature and time optimal for your primary antibodies 3 PLA PROBES Use your previously optimized antibody diluent to dilute your conjugated antibodies PLA probes a Dilute the Assay Reagent 20x 1 20 in your custom antibody diluent b Dilute your conjugated antibodies PLA probes one PLUS and one MINUS to a suitable concentration in your antibody diluent containing 1x Assay Reagent Allow the mixture to sit for 20 min at room temperature Note You may need to titrate your PLA probes to a suitable concentration we recommend you to start with the same concentration as you usually use for your secondary antibodies in IF or IHC c Tap off the primary antibody solution from the slides d Wash the slides in a wash buffer suitable for your primary antibodies Washing should be performed in a staining jar with a minimum volume of 70 ml on a shaker cradle with gentle orbital shaking Bring the wash buffers to room temperature before use e Add the diluted PLA probes to each sample f Incubate the slid
13. ty chamber Use temperature and time optimal for your primary antibodies 3 DETECTION PROTOCOL Proceed to section 7 3 in the Duolink In Situ User Manual Doc no 0650 for Fluorescence and Doc no 0656 for Brightfield Duolink In Situ Probemaker 5 2 4 PLA PROBE PROTOCOL DUOLINK IN SITU SOLUTIONS AND CONJUGATED SECONDARY ANTIBODIES Follow this protocol if you use the Blocking Solution and PLA probe Diluent included in the Probemaker kit and if you have used Probemaker to conjugate secondary antibodies 1 BLOCKING If you are using Duolink In Situ Detection Reagents Brightfield we recommend a peroxidase guenching step before blocking a Add one drop of Blocking Solution per 1 cm One drop equals approximately 40 ul b Incubate the slides in a pre heated humidity chamber for 30 min at 37 C 2 PRIMARY ANTIBODIES a Dilute your primary antibodies to a suitable concentration in the Blocking Solution b Tap off the Blocking Solution from the slides Try to obtain an equal residual volume on each slide as this will affect reproducibility Do not allow the samples to dry before adding the primary antibodies as this will cause background c Add the primary antibody solution to each sample d Incubate in a humidity chamber Use temperature and time optimal for your primary antibodies 3 PLA PROBES a Dilute your conjugated antibodies PLA probes one PLUS and one MINUS to a suitable concentration in the
14. w the mixture to sit for 20 min at room temperature Note You may need to titrate your PLA probes to a suitable concentration we recommend you to start with a higher concentration than what you usually use for your primary antibodies in IF or IHC Tap off the blocking solution from the slides Try to obtain an equal residual volume on each slide as this will affect reproducibility Do not allow the samples to dry before adding the PLA probes as this will cause background o d Add the diluted PLA probes to each sample e Incubate in a humidity chamber Use temperature and time optimal for your antibodies 3 DETECTION PROTOCOL Proceed to section 73 in the Duolink In Situ User Manual Doc no 0650 for Fluorescence and Doc no 0656 for Brightfield 10 Duolink In Situ Probemaker 5 2 2 PLA PROBE PROTOCOL CUSTOM SOLUTIONS AND CONJUGATED SECONDARY ANTIBODIES Follow this protocol if you use your own custom blocking solution and antibody diluent and if you have used Probemaker to conjugate secondary antibodies 1 BLOCKING Use your previously optimized blocking solution If you are using Duolink In Situ Detection Reagents Brightfield we recommend a peroxidase quenching step before blocking a Add your custom blocking solution to each sample b Incubate the slides 2 PRIMARY ANTIBODIES Use your previously optimized antibody diluent to dilute your primary antibodies a Dilute your primary an
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