Article ; Online: Gonadal hormone deprivation regulates response to tibolone in neurodegenerative pathways.
The Journal of steroid biochemistry and molecular biology
2024 Volume 241, Page(s) 106520
Abstract: Gonadal hormone deprivation (GHD) and decline such as menopause and bilateral oophorectomy are associated with an increased risk of neurodegeneration. Yet, hormone therapies (HTs) show varying efficacy, influenced by factors such as sex, drug type, and ... ...
Abstract | Gonadal hormone deprivation (GHD) and decline such as menopause and bilateral oophorectomy are associated with an increased risk of neurodegeneration. Yet, hormone therapies (HTs) show varying efficacy, influenced by factors such as sex, drug type, and timing of treatment relative to hormone decline. We hypothesize that the molecular environment of the brain undergoes a transition following GHD, impacting the effectiveness of HTs. Using a GHD model in mice treated with Tibolone, we conducted proteomic analysis and identified a reprogrammed response to Tibolone, a compound that stimulates estrogenic, progestogenic, and androgenic pathways. Through a comprehensive network pharmacological workflow, we identified a reprogrammed response to Tibolone, particularly within "Pathways of Neurodegeneration", as well as interconnected pathways including "cellular respiration", "carbon metabolism", and "cellular homeostasis". Analysis revealed 23 proteins whose Tibolone response depended on GHD and/or sex, implicating critical processes like oxidative phosphorylation and calcium signalling. Our findings suggest the therapeutic efficacy of HTs may depend on these variables, suggesting a need for greater precision medicine considerations whilst highlighting the need to uncover underlying mechanisms. |
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Language | English |
Publishing date | 2024-04-13 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 1049188-0 |
ISSN | 1879-1220 ; 0960-0760 |
ISSN (online) | 1879-1220 |
ISSN | 0960-0760 |
DOI | 10.1016/j.jsbmb.2024.106520 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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