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Table 1 Cross-reactivity of androstenedione antibody

From: Development and validation of a simple, sensitive enzyme immunoassay for quantification of androstenedione in bull plasma

Steroids Cross reaction a
Androstenedione 100
Androsterone 56
Δ-Androsten-3β-17β-diol <0.001
1,4-androstadien-17β-ol-3-one 0.4
5-androsten-3β-ol-17-one (dehydroisoandrosterone) 22
5α-androstan-17β-ol-3-one (androstanolone) 1
Testosterone 1.3
17α-methyl testosterone <0.001
Epitestosterone 0.1
Ethinylestradiol <0.001
5α-dihydroandrostenedione 10
Estradiol 17-β <0.001
Cortisol <0.001
progesterone 0.4
  1. apercentage cross-reaction relative to androstenedione at 50% binding.