Chemical Inhibition of NRF2 Transcriptional Activity Influences Colon Function and Oestrogen Receptor Expression in Mice at Different Ages DOI Open Access
Aleksandra Piechota-Polańczyk,

Zanya Mariwani,

Jakub Fichna

et al.

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(24), P. 13647 - 13647

Published: Dec. 20, 2024

We aim to investigate whether chemical inhibition of NRF2 transcriptional activity (TA) influences distal colon contractions, particularly in an age-dependent manner females, and it impacts oestrogen receptor signalling female mice. This study was performed on 3 6-month-old mice treated with ML385 (30 mg/kg) or a vehicle for 7 days (i.p.). The functionality verified bead expulsion test; serum samples were collected oestradiol levels, stored various histological analyses. results show that the seven-day treatment significantly downregulated TA (p < 0.05) impacted its contractility. Additionally, young females exhibited increase goblet cell number increased ERα, but not ERβ, especially older It is worth noting basal level membrane GPR30 higher within epithelial layer, led downregulation In summary, decreases contractility numbers. expression receptors colons

Language: Английский

Identification of compounds against atherosclerosis induced by ox-LDL based on cell extraction/UPLC–MS/MS from mulberry twigs and their mechanistic analysis DOI Creative Commons
Zhihui Jin, Wei Xiang, Xiaowen Shi

et al.

Chemical and Biological Technologies in Agriculture, Journal Year: 2025, Volume and Issue: 12(1)

Published: Jan. 15, 2025

Mulberry twigs, a traditional Chinese medicinal and agricultural byproduct, contain bioactive compounds with anti-atherosclerotic potential. This study aims to identify evaluate the effects of key in mulberry twig extracts (MTEs) on oxidized low-density lipoprotein (ox-LDL)-induced human umbilical vein endothelial cells (HUVECs), focus understanding how these modulate oxidative stress related signaling pathways. Biospecific cell extraction ultra-performance liquid chromatography–tandem mass spectrometry (UHPLC–MS/MS) were employed screen compounds. Protective assessed by measuring viability, malondialdehyde (MDA), superoxide dismutase (SOD) levels, along detecting intracellular reactive oxygen species (ROS) using 2, 7-dichlorodihydrofluorescein diacetate (DCFH-DA) dihydroethidine (DHE) probes. Real-time qPCR Western blotting used for mRNA protein level analysis. Two novel active compounds, Kuwanon H Morusin, known G, identified. They significantly reduced MDA ROS levels while increasing SOD activity ox-LDL-treated HUVECs. was particularly effective, enhancing nuclear factor erythroid 2-related 2 (Nrf-2) upregulating its target genes Heme oxygenase-1 (HO-1) NAD(P)H: quinone oxidoreductase 1 (NQO-1). In conclusion, H, G effectively protected HUVECs from ox-LDL-induced injury, showing strongest protective via Nrf-2/HO-1 pathway. These hold potential treating atherosclerosis diseases.

Language: Английский

Citations

0

Lithospermic acid alleviates oxidative stress and inflammation in DSS-induced colitis through Nrf2 DOI

Yu-Lei Zhao,

Xue Tian, Yan Yao

et al.

European Journal of Pharmacology, Journal Year: 2025, Volume and Issue: unknown, P. 177390 - 177390

Published: Feb. 1, 2025

Language: Английский

Citations

0

A novel galactoglucan from Ganoderma lucidum ameliorates ethanol-induced gastric ulcers by modulating FAK-MAPK signaling pathway DOI

Hongjian Luo,

Yukun Zhang, Yang Yao

et al.

Carbohydrate Polymers, Journal Year: 2025, Volume and Issue: unknown, P. 123594 - 123594

Published: April 1, 2025

Language: Английский

Citations

0

Escin Ia Ameliorates DSS-Induced Chronic Colitis in Mice by Inhibiting Inflammation and Oxidative Stress via the LOXL2/MMP-9 Pathway DOI
Jing Yan, Xiaotian Xu, Yi Zhun Zhu

et al.

Journal of Ethnopharmacology, Journal Year: 2025, Volume and Issue: unknown, P. 119623 - 119623

Published: March 1, 2025

Language: Английский

Citations

0

New insights into the intestinal barrier through “gut-organ” axes and a glimpse of the microgravity’s effects on intestinal barrier DOI Creative Commons

Hong‐Yun Nie,

Jun Ge,

Guo-Xing Huang

et al.

Frontiers in Physiology, Journal Year: 2024, Volume and Issue: 15

Published: Oct. 10, 2024

Gut serves as the largest interface between humans and environment, playing a crucial role in nutrient absorption protection against harmful substances. The intestinal barrier acts initial defense mechanism non-specific infections, with its integrity directly impacting homeostasis health of human body. primary factor attributed to impairment previous studies has always centered on gastrointestinal tract itself. In recent years, concept "gut-organ" axis gained significant popularity, revealing profound interconnection gut other organs. It speculates that disruption these axes plays pathogenesis progression damage. evaluation function detection enterogenic endotoxins can serve "detecting agents" for identifying early functional alterations heart, kidney, liver, thereby facilitating timely intervention disorders. Simultaneously, consolidating may also present potential therapeutic approach attenuate damage Studies have demonstrated diverse signaling pathways their corresponding key molecules are extensively involved pathophysiological regulation barrier. Aberrant activation dysregulated expression play pivotal process impairment. Microgravity, being predominant characteristic space, potentially exert influence barriers. We will discuss interaction damage, further elucidate underlying summarize various components under microgravity. This review aims offer novel perspective comprehending etiology molecular mechanisms injury well prevention management microgravity environment.

Language: Английский

Citations

3

Chitosan oligosaccharide alleviates DON-induced liver injury via suppressing ferroptosis in mice DOI Creative Commons
Mengjie Liu, Zhenlin Li, Jie Li

et al.

Ecotoxicology and Environmental Safety, Journal Year: 2024, Volume and Issue: 290, P. 117530 - 117530

Published: Dec. 13, 2024

Language: Английский

Citations

0

Chemical Inhibition of NRF2 Transcriptional Activity Influences Colon Function and Oestrogen Receptor Expression in Mice at Different Ages DOI Open Access
Aleksandra Piechota-Polańczyk,

Zanya Mariwani,

Jakub Fichna

et al.

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(24), P. 13647 - 13647

Published: Dec. 20, 2024

We aim to investigate whether chemical inhibition of NRF2 transcriptional activity (TA) influences distal colon contractions, particularly in an age-dependent manner females, and it impacts oestrogen receptor signalling female mice. This study was performed on 3 6-month-old mice treated with ML385 (30 mg/kg) or a vehicle for 7 days (i.p.). The functionality verified bead expulsion test; serum samples were collected oestradiol levels, stored various histological analyses. results show that the seven-day treatment significantly downregulated TA (p < 0.05) impacted its contractility. Additionally, young females exhibited increase goblet cell number increased ERα, but not ERβ, especially older It is worth noting basal level membrane GPR30 higher within epithelial layer, led downregulation In summary, decreases contractility numbers. expression receptors colons

Language: Английский

Citations

0