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Mol* Adaptation: Case of Severe Insulin Resistance

Author(s): Keith A. Johnson

Bradley University College of Liberal Arts and Sciences

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Summary:
This is an adaptation using Mol* on the original case written. This case focuses on understanding how a mutation in a cell signalling protein (a kinase) can prevent insulin function and lead to diabetes.

Licensed under CC Attribution-ShareAlike 4.0 International according to these terms

Version 1.0 - published on 23 Jul 2021 doi:10.25334/FW9S-2G51 - cite this

Adapted from: A Case of Severe Insulin Resistance v 1.0

Description

A Case of Severe Insulin Resistance

Overview: This case discusses an unusual insulin resistance phenotype where the insulin levels are high yet the individual has diabetes! The case begins with reading a story of two close friends Megan and Jade. Jade's sister is diagnosed with insulin resistant diabetes at a relatively young age. Since Megan is biochemistry student, she is eager to understand what is going on. She comes across an article in a peer reviewed journal and wonders if the research results reported there describe the condition in her Jade's family. Megan explore the structures of the specific insulin signaling molecule discussed in the paper to understand why it is causing insulin resistance. Students get to explore the molecular structures along with Megan. The case closes with discussions about some ideas for how to handle insulin resistance.

Learning Objectives: The case was developed at the interface of biology and chemistry as an example of cell signaling in response to external stimuli (e.g., hormone receptor interactions) for cell biology and/or biochemistry students. By the end of the case, students should develop some basic understanding of biomolecular structure-function relationships and interconnected signaling and metabolic pathways.

Molecules explored: The key molecules explored here include inactive Akt-2 kinase protein and its activated complexes with substrates bound to the protein.

Implementation: The case can be implemented using either a flipped approach and/or in-class discussions.

Notes

This is an adaptation to the original case of Severe Insulin Resistance.  The case has been broken into shorter sections and has been adapted for use with Mol* (Molstar) through RCSB.

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