Answered: Part A (Short Response): You are…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter9: Cell Communication

Section: Chapter Questions

Problem 12RQ: Histamine binds to the H1 G-protein-linked receptor to initiate the itchiness and airway...

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Part A (Short Response): You are developing a TGF-β agonist, but you don’t yet know which specific proteins it is signaling through. You want to do a single Western blot to measure changes in signaling activity, regardless of which pathway is being activated. For which protein involved in these pathways could you measure the levels in the nucleus of cells and be confident in your results? Why? This part was already posted on chegg, but I didn't understand the answer. I need a thorough explanation, so I can fully understand. Part B (Short Response): There have been many attempts to block TGF-β signaling in cancer through many different mechanisms, but none of been very successful. Why do you think this is? I know they have gotten close to being successful, but I don't know what preventing their success.

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The above answer did not address the question in the sense that the answer did not indicate which protein involved in the pathways could be measured in the nucleus of cells and be confident in the results?

I reiterate the question as follows:

You want to do a single Western blot to measure changes in signaling activity, regardless of which pathway is being activated. For which protein involved in these pathways could you measure the levels in the nucleus of cells and be confident in your results? Why?

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