20alpha-Dihydroprogesterone

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20alpha-Dihydroprogesterone
2D structure for 20alpha-Dihydroprogesterone
Chemical Name (8S,9S,10R,13R,14S,17S)-17-(1-hydroxyethyl)-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
Chemical Formula C21H32O2
CAS Number 145-14-2
Chemical Information HMDB03069
Biochemical Taxonomy

  • Steroids and Steroid Derivatives

Functional Taxonomy Not Available
Nutritional Taxonomy Not Available
Metabolic Pathways Not Available
Biofluid Location

  • Blood

Tissue Location

  • Placental
  • Testes
  • Placenta

Normal Biofluid Concentrations

  • Blood: 0.00075 +/- 0.0 uM
  • Blood: 0.001 - 0.01 uM
  • Blood: 0.01 - 0.02 uM
  • Blood: 0.019 - 0.02 uM
  • Blood: 0.02 -0.12 uM

Normal Tissue Concentrations Not Available
Diseases / Conditions Related to Nutrition Not Available
Other (Monogenic Disorders) Not Available
Abnormal Biofluid Concentrations Not Available
Abnormal Tissue Concentrations Not Available
Physiological Processes Not Available
Authors:
Affiliations:

Contents

Introduction

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A biologically active 20-alpha-reduced metabolite of progesterone. It is converted from progesterone to 20-alpha-hydroxypregn-4-en-3-one by the 20-alpha-fydroxysteroid dehydrogenase in the corpus luteum and the placenta. -- Pubchem; Progesterone is a C-21 steroid hormone involved in the female menstrual cycle, pregnancy (supports gestation) and embryogenesis of humans and other species. Progesterone belongs to a class of hormones called progestagens, and is the major naturally occurring human progestagen. -- Wikipedia; During implantation and gestation, progesterone appears to decrease the maternal immune response to allow for the acceptance of the pregnancy. Progesterone decreases contractility of the uterine smooth muscle. The fetus metabolizes placental progesterone in the production of adrenal mineralo- and glucosteroids. A drop in progesterone levels is possibly one step that facilitates the onset of labor. In addition progesterone inhibits lactation during pregnancy. The fall in progesterone levels following delivery is one of the triggers for milk production. -- Wikipedia

Biological Function

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Catabolism

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Diseases / Conditions Related to Nutrition

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Other (Monogenic) Disorders

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Nutritional Information

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Drivers for biological variation

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Vulnerable groups

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Other resources

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Links

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