[Histonet] Melanin pigment
Rene J Buesa
rjbuesa <@t> yahoo.com
Sat Mar 8 10:22:11 CST 2008
The method is simple, BUT you have to be sure that the sections are completely adhered to the slides.
Treat them with a 0.1% aq. sol. of potassium permanganate. Check under the microscope to see the melanin changed color.
Wash with abundant dist. water
Treat the sections with 0.3% aq. oxalic acid until there is no more color in the section.
Wash and procede with yout IHC protocol.
Cynthia Robinson <Robinsoc <@t> mercyhealth.com> wrote:
Has anyone successfully removed melanin pigment prior to IHC staining with MART-1? Currently we use Ventana I-View DAB and I have suggested switching to AEC for these cases but our paths don't want to spend the money for a second detection system. Any suggestions?
Cindi Robinson HT(ASCP)
Mercy Medical Center-Sioux City
Dunes Medical Laboratories
350 W Anchor Dr
Dakota Dunes SD 57049
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