Table 2 Primary antibodies and methods used for immunohistochemistry

SSTR₂

UMB-1

Abcam, Cambridge, UK

Ventana Benchmark XT Autostainer (Ventana Medical Systems, Strasbourg, France)

ultraVIEW Universal Detection Kit (Ventana, Strasbourg, France)

SSTR₃

Rabbit polyclonal (ab28680)

Abcam, Cambridge, UK

Labvision Autostainer (Thermo Scientific Inc, Kalamazoo, MI)

BrightVision Detection Kit (Immunologic, Duiven, the Netherlands)

SSTR₅

Rabbit polyclonal (AB5681)

Millipore, Billerica, MA

Labvision Autostainer

BrightVision Detection Kit

EGFR

5B7

Ventana, Strasbourg, France

Ventana Benchmark XT Autostainer

ultraVIEW Universal Detection Kit

IDH1 R132H

H09

Dianova, Hamburg, Germany

Ventana Benchmark XT Autostainer

ultraVIEW Universal Detection Kit

CD68

PG-M1

Dako, Glostrup, Denmark

Ventana Benchmark XT Autostainer^a

ultraVIEW Universal Detection Kit + Universal Alkaline Phosphatase Red Detection Kit (Ventana)^a

Ki67

30-9

Ventana, Strasbourg, France

Ventana Benchmark XT Autostainer

ultraVIEW Universal Detection kit