Odoribacter_laneus_glucose_control
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB47655 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR6845810_1.fastq.gz | Fastqsanger.gz | |||
| ERR6845810_2.fastq.gz | Fastqsanger.gz | |||
| ERR6845830_1.fastq.gz | Fastqsanger.gz | |||
| ERR6845830_2.fastq.gz | Fastqsanger.gz | |||
| ERR6845860_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 92 |
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Project description:Many risk-eligible women refuse tamoxifen for primary prevention of breast cancer due to concerns about common side effects such as vasomotor symptoms. Tamoxifen may also induce or worsen insulin resistance and hypertriglyceridemia, especially in women with obesity. Bazedoxifene/conjugated estrogens (BZA/CE) reduces vasomotor symptoms and is currently undergoing evaluation for breast cancer risk reduction. However, the impact of BZA/CE on insulin resistance and metabolic health, particularly in those with excess adiposity, is understudied. Here, we examined the effects of obesity on response to BZA/CE in a rat model of breast cancer risk using older ovary-intact rats. Female Wistar rats received carcinogen to increase mammary cancer risk and were fed a high-fat diet to promote obesity. Lean and obese rats were selected based on adiposity, then randomized to BZA/CE or vehicle for 8 weeks. BZA/CE reduced adiposity, enriched small (insulin-sensitive) mammary adipocytes, increased the abundance of beneficial metabolic gut microbes (Faecalbaculum rodentium and Odoribacter laneus), and reversed obesity-associated changes in lipids and adipokines. BZA/CE also reversed obesity-induced mammary enrichment of cell proliferation pathways, consistent with risk-reducing effects. Together, these data support the use of BZA/CE to improve metabolic health and reduce breast cancer risk in individuals with obesity. RNA from mammary glands was analyzed by gene expression microarray.
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