Lêer:Steroidogenesis.svg

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Opsomming

Beskrywing
English: Enzymes, their cellular location, substrates and products in human steroidogenesis.

Shown also is the major classes of steroid hormones: progestagens, mineralocorticoids, glucocorticoids, androgens and estrogens. However, they partly overlap, e.g. mineralocorticoids and glucocorticoids. White circles indicate changes in molecular structure compared with precursors. For more information on interpretation of molecular structures, see structural formula.

HSD: Hydroxysteroid dehydrogenase

References:

  • Boron WF, Boulpaep EL (2003) Medical Physiology: A Cellular And Molecular Approach, Elsevier/Saunders, pp. page 1,300 ISBN: 1-4160-2328-3.
  • For the absence of conversion of corticosterone to cortisol: Steroid hormone biosynthesis Reference pathway (KO). KEGG: Kyoto Encyclopedia of Genes and Genomes. Kyoto University Bioinformatics Center. (1 November 2013).
There is no appreciable conversion of corticosterone to cortisol in the adrenal cortex as 21-OH steroids are poor substrates for 17-alpha hydroxylase.

Further reading:

  • Hanukoglu I (1992). "Steroidogenic enzymes: structure, function, and role in regulation of steroid hormone biosynthesis". The Journal of Steroid Biochemistry and Molecular Biology 43 (8): 779–804. DOI:10.1016/0960-0760(92)90307-5. PMID 22217824.
  • Payne AH, Hales DB (2004). "Overview of steroidogenic enzymes in the pathway from cholesterol to active steroid hormones". Endocrine Reviews 25 (6): 947–70. DOI:10.1210/er.2003-0030. PMID 15583024.

See also:

Polski: Enzymy biorące udział w steroidogenezie.

Uwagi: W miejscu gdzie stereochemia nie jest wyświetlana, jest taka sama jak dla Cholesterol lub w pokazanej powyżej grupie.

HSD: Dehydrogenaza hydroksysteroidu
Русский: Ферменты, участвующие в стероидогенезе человека, с указанием субстратов и продуктов, а также локализации их активности. Происходящие изменения в структуре молекул отмечены белыми кружочками. По сборнику "Медицинская физиология" (Walter F. Boron, Emile L. Boulpaep, 2003 год).
日本語: この図はヒトのステロイドホルモン生成における酵素と酵素が存在する細胞器官、基質ならびに生成物の全体図である。またこの図は(コレステロールから)プロゲステロン、鉱質コルチコイド、糖質コルチコイド、そしてアンドロゲンおよびエストロゲンに至る主要なステロイドを記述している。

図に示すとおりそれぞれ(生合成の過程で)オーバーラップするものである。 図中、白い円で囲んだところは基質と比較した分子構造の変化した箇所を示す。

なお、HSD は、ヒドロキシステロイドデヒドロゲナーゼを表す。
Datum
Bron Häggström M, Richfield D (2014). "Diagram of the pathways of human steroidogenesis". WikiJournal of Medicine 1 (1). DOI:10.15347/wjm/2014.005. ISSN 20024436.
Outeur

David Richfield (Slashme) and Mikael Häggström. Derived from previous version by Hoffmeier and Settersr.

In external use, this diagram may be cited as:

Ander weergawes

wysig

Original. See also Evolution.
Raster (.png) version is available

Translations

SVG genesis
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The SVG code is valid.
 
This structural formula was created with Inkscape.
 
The chemistry symbols of this structural formula are drawn using the path text method.

Wikipedia

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Evolution

A short flashback of some milestones the evolution of the picture, demonstrating the power of free licensing where anybody can contribute to making things better.

1. (March 2007) Previous image by Stannered.
4. (August 2008) Vector (.svg) version by Slashme.
2. (July 2007) Molecular structures added by Hoffmeier and Settersr.
5. (March 2009) Expansion, grouping, addition of enzyme localization, numbering of cholesterol and coloring by Mikael Häggström.
3. (November 2007) Organization and addition of enzymes by Mikael Häggström.

Lisensiëring

Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

Captions

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A schematic diagram showing the chemicals, enzymes, and locations of the human steroidogenesis pathways.

Items portrayed in this file

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media type Engels

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Lêergeskiedenis

Klik op die datum/tyd om te sien hoe die lêer destyds gelyk het.

(nuutste | oudste) Wys (nuwer 10 | ) (10 | 20 | 50 | 100 | 250 | 500).
Datum/TydDuimnaelDimensiesGebruikerOpmerking
huidig10:52, 28 Oktober 2022Duimnaelskets vir weergawe vanaf 10:52, 28 Oktober 20221 245 × 1 105 (224 KG)Uxue GarcíaFile uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for eu.
15:58, 8 April 2020Duimnaelskets vir weergawe vanaf 15:58, 8 April 20201 245 × 1 105 (198 KG)АтаFile uploaded using svgtranslate tool (https://tools.wmflabs.org/svgtranslate/). Added translation for uk.
15:54, 8 April 2020Duimnaelskets vir weergawe vanaf 15:54, 8 April 20201 245 × 1 105 (187 KG)АтаFile uploaded using svgtranslate tool (https://tools.wmflabs.org/svgtranslate/). Added translation for uk.
15:12, 13 Maart 2013Duimnaelskets vir weergawe vanaf 15:12, 13 Maart 20131 245 × 1 105 (133 KG)SlashmeRemoved arrow from Corticosterone to Cortisol via CYP17A1 (see http://www.genome.jp/kegg-bin/show_pathway?ko00140+C02140 )
16:15, 9 Julie 2012Duimnaelskets vir weergawe vanaf 16:15, 9 Julie 20121 245 × 1 105 (133 KG)Mikael HäggströmAddition and correction of stereochemistries at positions 11 and 17.
04:24, 9 Julie 2012Duimnaelskets vir weergawe vanaf 04:24, 9 Julie 20121 245 × 1 105 (127 KG)Mikael HäggströmAdded stereochemistries, removed redundant white circle at cortisol, renamed 21-alpha hydroxylase to simply 21-hydroxylase.
05:15, 13 Desember 2011Duimnaelskets vir weergawe vanaf 05:15, 13 Desember 20111 245 × 1 105 (114 KG)SlashmeAlign some text and arrows for neatness' sake.
04:56, 13 Desember 2011Duimnaelskets vir weergawe vanaf 04:56, 13 Desember 20111 245 × 1 105 (114 KG)SlashmeFixed reaction scheme: corticosterone doesn't go to cortisol! Karl and Lindie, why didn't you fix it when you first found out? Tsk tsk.
12:58, 8 Mei 2010Duimnaelskets vir weergawe vanaf 12:58, 8 Mei 20101 245 × 1 105 (114 KG)Mikael Häggströmminor move of 5-a-reductase
12:56, 8 Mei 2010Duimnaelskets vir weergawe vanaf 12:56, 8 Mei 20101 245 × 1 105 (114 KG)Mikael Häggströmminor renaming of 3-beta-HSD
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