High-fat diet exacerbates 1-Bromopropane-induced loss of dopaminergic neurons in the substantia nigra of mice through mitochondrial damage associated necroptotic pathway DOI Creative Commons

Mingxue Song,

Yalong Qiang,

Shuai Wang

et al.

Ecotoxicology and Environmental Safety, Journal Year: 2024, Volume and Issue: 276, P. 116280 - 116280

Published: April 3, 2024

In recent years, accumulating evidence supports that occupational exposure to solvents is associated with an increased incidence of Parkinson's disease (PD) among workers. The neurotoxic effects 1-bromopropane (1-BP), a widely used new-type solvent, are well-established, yet data on its relationship the etiology PD remain limited. Simultaneously, high-fat consumption in modern society recognized as significant risk factor for PD. However, whether there synergistic effect between diet and 1-BP remains unclear. this study, adult C57BL/6 mice were fed either chow or 18 weeks prior 12-week treatment. Subsequent neurobehavioral neuropathological examinations conducted assess parkinsonian pathology. results demonstrated produced obvious abnormalities dopaminergic degeneration nigral region mice. Importantly, further exacerbated impact motor cognitive Mechanistic investigation revealed mitochondrial damage mtDNA release induced by activate NLRP3 cGAS-STING pathway- mediated neuroinflammatory response, ultimately lead necroptosis neurons. summary, our study unveils potential link chronic PD-like pathology no-motor defects experimental animals, long-term can promote neurotoxicity, which underscores pivotal role environmental factors

Language: Английский

Mitochondrial retinopathies and optic neuropathies: the impact of retinal imaging on modern understanding of pathogenesis, diagnosis, and management DOI
Enrico Borrelli, Francesco Bandello, Camiel J. F. Boon

et al.

Progress in Retinal and Eye Research, Journal Year: 2024, Volume and Issue: 101, P. 101264 - 101264

Published: May 3, 2024

Language: Английский

Citations

6

Decoding mitochondria's role in immunity and cancer therapy DOI Creative Commons
Yu Shrike Zhang, Hong Yan, Yuquan Wei

et al.

Biochimica et Biophysica Acta (BBA) - Reviews on Cancer, Journal Year: 2024, Volume and Issue: 1879(4), P. 189107 - 189107

Published: May 9, 2024

The functions of mitochondria, including energy production and biomolecule synthesis, have been known for a long time. Given the rising incidence cancer, role mitochondria in cancer has become increasingly popular. Activated by components released various pathways interact with each other to induce immune responses protect organisms from attack. However, play dual roles progression cancer. Abnormalities proteins, which are elementary structures closely linked oncogenesis. Both aberrant accumulation intermediates mutations enzymes result generation Therefore, targeting treat may be new strategy. Several drugs aimed at inhibiting mutated accumulated tested clinically. Here, we discuss current understanding interactions between mitochondrial functions, responses, Furthermore, as hopeful targets therapy, providing insights into future therapeutic strategies.

Language: Английский

Citations

6

Activation of cell-free mtDNA-TLR9 signaling mediates chronic stress-induced social behavior deficits DOI Creative Commons
Ashutosh Tripathi,

Alona Bartosh,

Carl Whitehead

et al.

Molecular Psychiatry, Journal Year: 2023, Volume and Issue: 28(9), P. 3806 - 3815

Published: Aug. 1, 2023

Inflammation and social behavior deficits are associated with a number of neuropsychiatric disorders. Chronic stress, major risk factor for depression other mental health conditions is known to increase inflammatory responses impairments. Disturbances in mitochondria function have been found chronic stress conditions, however the mechanisms that link mitochondrial dysfunction stress-induced not well understood. In this study, we restraint (RS) induces significant increases serum cell-free DNA (cf-mtDNA) levels mice, systemic Deoxyribonuclease I (DNase I) treatment attenuated RS-induced behavioral deficits. Our findings revealed potential roles mitophagy Mitochondrial antiviral-signaling protein (MAVS) mediating changes cf-mtDNA behavior. Furthermore, showed inhibition Toll-like receptor 9 (TLR9) attenuates mtDNA-induced Together, these show cf-mtDNA-TLR9 signaling critical

Language: Английский

Citations

14

Epidermal ZBP1 stabilizes mitochondrial Z-DNA to drive UV-induced IFN signaling in autoimmune photosensitivity DOI Creative Commons
Benjamin Y. Klein, Mack B. Reynolds, Bin Xu

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 26, 2024

Photosensitivity is observed in numerous autoimmune diseases and drives poor quality of life disease flares. Elevated epidermal type I interferon (IFN) production primes for photosensitivity enhanced inflammation, but the substrates that sustain amplify this cycle remain undefined. Here, we show IFN-induced Z-DNA binding protein 1 (ZBP1) stabilizes ultraviolet (UV)B-induced cytosolic derived from oxidized mitochondrial DNA. ZBP1 significantly upregulated epidermis adult pediatric patients with photosensitivity. Strikingly, lupus keratinocytes accumulate extensive after UVB, transfection results stronger IFN through cGAS-STING activation compared to B-DNA. knockdown abrogates UV-induced responses, whereas overexpression a lupus-like phenotype spontaneous accumulation production. Our highlight as critical mediators UVB-induced inflammation uncover how IFNs prime cutaneous

Language: Английский

Citations

5

High-fat diet exacerbates 1-Bromopropane-induced loss of dopaminergic neurons in the substantia nigra of mice through mitochondrial damage associated necroptotic pathway DOI Creative Commons

Mingxue Song,

Yalong Qiang,

Shuai Wang

et al.

Ecotoxicology and Environmental Safety, Journal Year: 2024, Volume and Issue: 276, P. 116280 - 116280

Published: April 3, 2024

In recent years, accumulating evidence supports that occupational exposure to solvents is associated with an increased incidence of Parkinson's disease (PD) among workers. The neurotoxic effects 1-bromopropane (1-BP), a widely used new-type solvent, are well-established, yet data on its relationship the etiology PD remain limited. Simultaneously, high-fat consumption in modern society recognized as significant risk factor for PD. However, whether there synergistic effect between diet and 1-BP remains unclear. this study, adult C57BL/6 mice were fed either chow or 18 weeks prior 12-week treatment. Subsequent neurobehavioral neuropathological examinations conducted assess parkinsonian pathology. results demonstrated produced obvious abnormalities dopaminergic degeneration nigral region mice. Importantly, further exacerbated impact motor cognitive Mechanistic investigation revealed mitochondrial damage mtDNA release induced by activate NLRP3 cGAS-STING pathway- mediated neuroinflammatory response, ultimately lead necroptosis neurons. summary, our study unveils potential link chronic PD-like pathology no-motor defects experimental animals, long-term can promote neurotoxicity, which underscores pivotal role environmental factors

Language: Английский

Citations

5