Product Page for PDE5A antibody – C-terminal region (ARP63250_P050)
Researcher: Dr. Hiten D. Mistry and Anna Czajka, King’s College London; Lesia Kurlak, University of Nottingham
Application: IHC
Species+tissue/cell type: Human placental tissue
Primary antibody dilution:1:100
Secondary antibody: Goat anti rabbit-HRP
Secondary antibody dilution: 1:10,000

| Questionnaire: |
|
| How do Aviva’s reagents play a role in your experimental goals? |
It is one of our main antibodies of interest. |
| How would you rate this antibody on a scale from 1-5 (5=best) and why? |
4 |
| Would you use this antibody in future experiments? |
Yes |
| Have you used another antibody which has worked in your application? |
No |
| Do you believe the information about the reagent on Aviva’s website is correct? |
Yes |
| If the antibody works, do you plan to use it in future experiments or to publish your data? Why or why not? |
Yes |
| How did you store the antibody after re-suspension? |
-20 d C |
| Sample Description (please include species type and tissue/cell type): |
Human Placental tissues samples, paraffin-embedded slides. |
| Please explain fixation solution/method used (formalin, periodate-lysine-paraformaldehyde, acetone, etc.)? |
Formalin fixed |
| How many different experimental trials were conducted using the antibody sample? |
6 |
| Primary antibody dilution, incubation time and temperature: |
1 in 100 dilution |
| Secondary antibody used, dilution, incubation time and temperature: |
1 in 10000 goat anti rabbit, 30 minutes at room temperature |
| From your IHC/ICC images, briefly explain the colors of each stain and counterstain: |
DAB staining and counter stained with haemotoxylin |
| Did you use an antigen retrieval method? If so, please explain? |
Heat-induced antigen retrieval method. |
| What controls were used in your experiment? |
Negative control: IgG rabbit negative. Positive control: Skeletal muscle. |
| Please include your detailed tissue preparation and staining procedure/protocol here: |
Mount paraffin-embedded sections on APES-coated slides. Dry the sections overnight 37 d C.
1. Dewax sections in xylene baths (2x5mins)
2. Immerse in absolute alcohol (IMS is cheaper) (2×5 mins)
3. Immerse in fresh 0.5% H2O2 in methanol-peroxidase block (store up to max 1wk at 4 d C) (10 mins)
4. Immerse in alcohol (2×5 mins)
5. Immerse in 70% alcohol (5 mins)
6. Wash in runnig water (5 mins)
7. Microwave for 15 mins at medium setting in Citrate buffer solution (Heat induced epitope retieval). Time depends
on equipment [20 mins on high power]
8. Leave to stand for a few mins before cooling in running water [at least 15 mins total]
9. Wash in TBS (5 mins)
10. Wipe off excess TBS and draw around section with hydrophobic barrier pen pen, block with appropriate for
secondary Ab normal serum (dil 1/10 in TBS/BSA) (30 mins)
11. Incubate in primary Ab (dil in BS/BSA) overnight at 4 d C, then 30-60 mins at room temp.
12. Wash in TBS (2×6 mins)
13. Incubate with HRP-labelled polymer (secondary Ab) at room temp, neat if part of kit or concentration as
assessed in a validation run (30 mins)
14. Wash in TBS (2×5 mins)
15. In cubate in DAB chromogen [make up in separate tube at 1ml of buffer + 20ul DAB] (1×10 mins)
16. Wash in running water for a few minutes
17. Counter stain in Harris’ Haematoxylin (1×12 secs)
18. Wash in running water
19. Blue in Scott’s Tap water. Look at slide under microscope (5 secs)
20. Wash in running water
21. If too blue, dip in acid alcohol.
22. Wash in running water
23. Dip in Scott’s Tap water (5 secs)
24. Wash in running water
25. Transport in water/TBS
26. Immerse in 70% alcohol (5 mins)
27. Immerse in 100% alcohol (2×5 mins)
28. Clear in xylene (III and iv) (2×5 mins)
29. Mount in DPX |