Difference between revisions of "Team:Technion Israel/Modeling"

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Revision as of 21:46, 16 September 2015

Team: Technion 2015

3-\(\alpha \)-HSD Kinetic Model

\(\begin{array}{l}\frac{{d\left[ {3 - \alpha - d} \right]}}{{dt}} = \frac{{d{{\left[ {3 - \alpha - d} \right]}_{forward}}}}{{dt}} + \frac{{d{{\left[ {3 - \alpha - d} \right]}_{backward}}}}{{dt}} = \\ = \left[ {3 - \alpha - HSD} \right] \cdot \left( {{K_{ca{t_1}}} \cdot \frac{{\left[ {DHT} \right]}}{{{K_{{m_1}}} + \left[ {DHT} \right]}} - {K_{ca{t_2}}} \cdot \frac{{\left[ {3 - \alpha - d} \right]}}{{{K_{{m_2}}} + \left[ {3 - \alpha - d} \right]}}} \right)\end{array}\)

Background

3-\(\alpha \)-HSD is a name of a group of enzymes which convert certain hormones (like DHT) to another hormone (like 3-α-diol) and vice versa by means of oxidation and reduction. There are several strands of this enzyme, with different level of potency. In humans, the enzyme is encoded by the AKR1C4 gene, while in rat it is encoded by the AKR1C9 gene. We chose the rat version of the enzyme as it is more potent than the human version
enzyme_figure_1
Figure 1 – the kinetic scheme for 3-\(\alpha \)-HSD

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