Hawthorn ✶ ری ٹویٹ کیا

Conversion Pathways to DHT :
Testosterone → DHT (via 5α-reductase, 5AR)
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Androstenedione (A4) pathways :
Androstenedione → 5α-androstanedione → DHT (via 5AR, then HSD17B3 / AKR1C3)
Androstenedione → Testosterone → DHT (via HSD17B3 / AKR1C3, then 5AR)
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11-oxygenated androgen pathways :
Testosterone → 11β-hydroxytestosterone → 11β-hydroxy-DHT → 11-keto-DHT (via CYP11B1/2 → 5AR → HSD11B2)
Testosterone → 11β-hydroxytestosterone → 11-ketotestosterone → 11-keto-DHT (via CYP11B1/2 → HSD11B2 → 5AR)
Androstenedione → 11β-hydroxyandrostenedione → 11β-hydroxytestosterone → 11β-hydroxy-DHT → 11-keto-DHT (via CYP11B1 → HSD17B3 / AKR1C3 → 5AR → HSD11B2)
Androstenedione → 11β-hydroxyandrostenedione → 11β-hydroxy-5α-dione → 11-keto-5α-dione → 11-keto-DHT (via CYP11B1 → 5AR → HSD11B2 → HSD17B3 / AKR1C3)
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Backdoor / progesterone-derived pathways :
Allopregnanolone → Allopregnanolone-diol → Androsterone → Androstanediol or 5α-androstanedione → DHT (via CYP17A1 → HSD17B3)
17α-hydroxyprogesterone → Androstenedione → 5α-androstenedione → DHT (via CYP17A1 → 5AR → HSD17B3)
17α-hydroxyprogesterone → Androstenedione → Testosterone → DHT (via CYP17A1 → HSD17B3 / AKR1C3 → 5AR)
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Reversible / interconversion pathways :
3α-androstanediol → DHT (via HSD17B6, HSD17B10, RDH4, RDH5, 3α-HSD)
3α-androstanediol → Androsterone → 5α-androstanedione → DHT
Androsterone → 3α-androstanediol → DHT
Androsterone → 5α-androstanedione → DHT


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