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01Why Pathways Matter02Reading Pathway Diagrams03Glycolysis & the TCA Cycle04Oxidative Phosphorylation05Lipid & Amino Acid Metabolism06Signal Transduction Basics07RTKs, RAS-MAPK & PI3K-AKT08Wnt, Hedgehog & Notch09Immune Signaling Pathways10Apoptosis & Cell Cycle Control11Disease Pathways & Drug Targets12Capstone: Cross-Pathway Reasoning
Evidence-first knowledge base. For education only — not medical advice. Verify against current guidelines.
Home/Testosterone
Molecule
1 pathway

Testosterone

Found in 1 curated pathway across 1 category.

Interaction Network

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Active In Categories

endocrine

Frequently Co-occurring Molecules

DHT×1DHEA×1Androstenedione×1Androgen receptor (AR)×1LH×1GnRH×1SHBG×1

Frequently Co-occurring Enzymes

5α-Reductase (SRD5A1/2)×1CYP17A1 (17α-hydroxylase)×117β-HSD×1Aromatase (CYP19A1, converts to estrogen)×1

Cross-Referenced Pathways

1 direct · 3 cross-referenced · 4 shown

Direct Involvement

1
💉
Endocrine

Androgen Signaling

Testosterone and DHT signaling via androgen receptor in male development and physiology.

TestosteroneDHTDHEA+5

Cross-Referenced

3
— connected via related pathways
📡
Signal Transduction

MAPK/ERK Pathway

RAS–RAF–MEK–ERK cascade transducing growth factor signals to the nucleus.

Growth factors (EGF, PDGF)RAS-GTPRAF+3
📡
Signal Transduction

PI3K/AKT/mTOR Pathway

Regulates cell survival, growth, and metabolism via phosphoinositide signaling.

PIP2PIP3AKT/PKB+6
💉
Endocrine

Estrogen Signaling

Estrogen receptor-mediated regulation of reproduction, bone, and cardiovascular health.

17β-Estradiol (E2)Estrone (E1)Estriol (E3)+5
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