Dr Bernadette M Carroll


  • BS8 1TD


Research output per year

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Personal profile

Research interests

We are interested in the mechanisms controlling the spatial regulation of nutrient homeostasis in health, senescence and cancer.

In healthy cells, a dynamic balance between biosynthesis, degradation and recycling supports growth. This is controlled, at least in part by the pro-growth mammalian target of rapamycin complex 1 (mTORC1) and the degradative autophagy-lysosome pathway. mTORC1 is activated by nutrients and energy to control protein translation, lipid and nucleotide synthesis while autophagy involves the sequestration of cytoplasmic contents in both selective and non-selective (bulk) ways to deliver them to the lysosome for degradation. Importantly, there is extremely tight reciprocal control between mTORC1 and the autophagy-lysosome pathway to maintain proteostasis and homeostasis. We are studying the mechanisms controlling the localisation and activity of these processes and how rewiring of this equilibrium contributes to cellular senescence (a tumour suppressor mechanism of cell cycle arrest) and cancer.

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Research Output

  • 15 Article (Academic Journal)
  • 4 Review article (Academic Journal)
  • 1 Chapter in a book
  • 1 Editorial (Academic Journal)

Spatial regulation of mTORC1 signalling: beyond the Rag GTPases

Carroll, B., 28 Feb 2020, In : Seminars in Cell and Developmental Biology. 10 p.

Research output: Contribution to journalArticle (Academic Journal)

  • PCV2 replication promoted by oxidative stress is dependent on the regulation of autophagy on apoptosis

    Zhai, N., Liu, H., Liu, X., Wang, H., Korolchuk, V., Carroll, B., Pan, C., Gan, F., Huang, K. & Chen, X., 5 Mar 2019, In : Veterinary Research. 50, 19, 11 p., 19.

    Research output: Contribution to journalArticle (Academic Journal)

    Open Access
  • 4 Citations (Scopus)
    210 Downloads (Pure)

    Rapamycin improves healthspan but not inflammaging in nfκb1−/− mice

    Correia-Melo, C., Birch, J., Fielder, E., Rahmatika, D., Taylor, J., Chapman, J., Lagnado, A., Carroll, B. M., Miwa, S., Richardson, G., Jurk, D., Oakley, F., Mann, J., Mann, D. A., Korolchuk, V. I. & Passos, J. F., 28 Jan 2019, In : Aging Cell. 18, 1, 11 p., e12882.

    Research output: Contribution to journalArticle (Academic Journal)

    Open Access
  • 11 Citations (Scopus)
    238 Downloads (Pure)