Cocaine addicted to cytoskeletal change and a fibrosis high

Avnish Verma, Jason Bennett, Ayşe Merve Örme, Elena Polycarpou, Brian Rooney

Research output: Contribution to journalReview article

Abstract

Cocaine is one of the most widely abused illicit drugs due to its euphoric and addictive properties. Cocaine-mediated cognitive impairments are the result of dynamic cytoskeletal rearrangements involved in mediating structural and behavioural plasticity. Cytoskeletal changes initiated following cocaine abuse are regulated by the Rho family of GTPases with significant downstream activity in key actin binding proteins. Moreover, signalling via the endoplasmic reticulum chaperone protein, sigma-1 receptor has highlighted the possibility of cocaine regulated pathology in other organ systems. However, the question of whether upstream stimulation of such a high affinity binding receptor is directly involved in cocaine-mediated cytoskeletal changes at present remains unknown. In this review, we describe the functional role of key cytoskeletal regulators in response to cocaine-induced signalling cues. In addition, we ascertain the extent of whether global cytoskeletal modulators involved in cocaine-induced neurological stimulation can be used as a platform for future studies into elucidating its fibrotic potential within the hepatic microenvironment. A focus on aspects still poorly understood relating to the nonneuronal pathological impact of cocaine is discussed in the sphere of hepatic dysregulation. Lastly, we suggest that cocaine may mediate its pathological capacity via the sigma1 receptor in regulating hepatoxicity, hepatic stellate cells activity, cytoskeletal dynamics, and the transcriptional regulation of key hepato-fibrogenic modulators.

Original languageEnglish
Pages (from-to)177-185
Number of pages9
JournalCytoskeleton
Volume76
Issue number2
Early online date8 Jan 2019
DOIs
Publication statusPublished - 1 Feb 2019
Externally publishedYes

Fingerprint

Cocaine
Fibrosis
Microfilament Proteins
Hepatic Stellate Cells
Cocaine-Related Disorders
rho GTP-Binding Proteins
Liver
Street Drugs
Endoplasmic Reticulum
Cues
Pathology
Proteins

Bibliographical note

Free access

Keywords

  • actin cytoskeleton
  • cocaine
  • fibrosis
  • hepatic microenviroment

ASJC Scopus subject areas

  • Structural Biology
  • Cell Biology

Cite this

Verma, A., Bennett, J., Örme, A. M., Polycarpou, E., & Rooney, B. (2019). Cocaine addicted to cytoskeletal change and a fibrosis high. Cytoskeleton, 76(2), 177-185. https://doi.org/10.1002/cm.21510

Cocaine addicted to cytoskeletal change and a fibrosis high. / Verma, Avnish; Bennett, Jason; Örme, Ayşe Merve; Polycarpou, Elena; Rooney, Brian.

In: Cytoskeleton, Vol. 76, No. 2, 01.02.2019, p. 177-185.

Research output: Contribution to journalReview article

Verma, A, Bennett, J, Örme, AM, Polycarpou, E & Rooney, B 2019, 'Cocaine addicted to cytoskeletal change and a fibrosis high' Cytoskeleton, vol. 76, no. 2, pp. 177-185. https://doi.org/10.1002/cm.21510
Verma, Avnish ; Bennett, Jason ; Örme, Ayşe Merve ; Polycarpou, Elena ; Rooney, Brian. / Cocaine addicted to cytoskeletal change and a fibrosis high. In: Cytoskeleton. 2019 ; Vol. 76, No. 2. pp. 177-185.
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