Dataset Information

Mouse ovarian Proteomic analysis after Cigarette smoke exposure

ABSTRACT: A total of 30 days of exposure to cigarette smoke (CS) or indoor air was given to 8- 23 week-old female C57BL/6 mice, then proteomics analyses were used to determine the 24 impact of CS on ovarian reserve.

ORGANISM(S): Mus Musculus

SUBMITTER: Lili Wang

PROVIDER: PXD048026 | iProX | Thu Dec 21 00:00:00 GMT 2023

REPOSITORIES: iProX

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Proteomic analysis reveals that cigarette smoke exposure diminishes ovarian reserve in mice by disrupting the CREB1-mediated ovarian granulosa cell proliferation-apoptosis balance.

Xu Mengting M Li Fang F Xu XiaoYan X Hu Nengyin N Miao Jianing J Zhao Yanhui Y Ji Sailing S Wang Ying Y Wang Lili L

Ecotoxicology and environmental safety 20240119

Exposure to cigarette smoke (CS) adversely affects ovarian health and it is currently unknown how CS exposure causes ovarian injury. This study compared the differences in proteomics between CS exposure and healthy control groups using liquid chromatography-tandem mass spectrometry quantitative proteomics to further understand the molecular mechanism of ovarian cell injury in mice exposed to CS. Furthermore, western blotting and qPCR were carried out to validate the proteomic analysis outcomes. ...[more]

PMID: 38242047

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Project description:In the present work endothelial function in the aorta and femoral artery assessed in vivo by magnetic resonance imaging (MRI) was characterized in male and female 8-, 14-, 22-, 28-, and 40-week-old E3L.CETP and C57BL/6J mice. Vascular nitric oxide (NO), eicosanoids and hydrogen peroxide (H2O2) production in the aorta, were measured by electron paramagnetic resonance spectroscopy (EPR), mass spectrometry (LC/MS) and fluoresence assay, respectively. Endothelial-specific protein plasma biomarkers and global alterations in plasma proteome were asssesed by targeted and non-targeted preotomics, respectively. In C57BL/6J endothelial dysfunction was observed in 40-week-old female and male mice as evidenced by impaired endothelium-dependent vasodilation induced by acetylcholine (Ach) in the aorta or by flow in the femoral artery (flow-mediated vasodilation, FMD). In E3L.CETP mice age-dependent endothelial dysfunction was accelerated and appeared in 14-22-week-old male and 22-28-week-old female mice. In 40 week-old E3L.CETP mice endothelial dysfunction was severe in both male and female mice and was more pronounced as compared with age-matched C57BL/6J mice. Despite severe endothelial dysfunction in 40 week-old mice E3L.CETP mice neither in the aortic roots nor in brachiocephalic artery atherosclerotic plaques were not detected. Interestingly, in the presence of NOS-inhibitor (L-NAME), FMD was inhibited in all experimental groups. However, effect of L-NAME on Ach–induced vasodilation in E3L.CETP mice, was blunted as compared with C57BL/6J mice, in particular in young E3L.CETP female mice. Furthermore, Ach–induced vasodilation in the aorta was inhibited by catalase, while H2O2 production was increased, in young female but not in male E3L.CETP mice. A switch from NO to H2O2-dependent vasodilation in young female E3L.CETP mice was associated with a blunted systemic inflammation and lower number of differentially expressed proteins (DEPs) in plasma than in young E3L.CETP male mice as compared with age-and sex-matched C57BL/6J mice. However, female and male 40-week-old E3L.CETP mice displayed similar number of DEPs in plasma vs respective sex-matched younger E3L.CETP mice. In the present work endothelial function in the aorta and femoral artery assessed in vivo by magnetic resonance imaging (MRI) was characterized in male and female 8-, 14-, 22-, 28-, and 40-week-old E3L.CETP and C57BL/6J mice. Vascular nitric oxide (NO), eicosanoids and hydrogen peroxide (H2O2) production in the aorta, were measured by electron paramagnetic resonance spectroscopy (EPR), mass spectrometry (LC/MS) and fluoresence assay, respectively. Endothelial-specific protein plasma biomarkers and global alterations in plasma proteome were asssesed by targeted and non-targeted preotomics, respectively. In C57BL/6J endothelial dysfunction was observed in 40-week-old female and male mice as evidenced by impaired endothelium-dependent vasodilation induced by acetylcholine (Ach) in the aorta or by flow in the femoral artery (flow-mediated vasodilation, FMD). In E3L.CETP mice age-dependent endothelial dysfunction was accelerated and appeared in 14-22-week-old male and 22-28-week-old female mice. In 40 week-old E3L.CETP mice endothelial dysfunction was severe in both male and female mice and was more pronounced as compared with age-matched C57BL/6J mice. Despite severe endothelial dysfunction in 40 week-old mice E3L.CETP mice neither in the aortic roots nor in brachiocephalic artery atherosclerotic plaques were not detected. Interestingly, in the presence of NOS-inhibitor (L-NAME), FMD was inhibited in all experimental groups. However, effect of L-NAME on Ach–induced vasodilation in E3L.CETP mice, was blunted as compared with C57BL/6J mice, in particular in young E3L.CETP female mice. Furthermore, Ach–induced vasodilation in the aorta was inhibited by catalase, while H2O2 production was increased, in young female but not in male E3L.CETP mice. A switch from NO to H2O2-dependent vasodilation in young female E3L.CETP mice was associated with a blunted systemic inflammation and lower number of differentially expressed proteins (DEPs) in plasma than in young E3L.CETP male mice as compared with age-and sex-matched C57BL/6J mice. However, female and male 40-week-old E3L.CETP mice displayed similar number of DEPs in plasma vs respective sex-matched younger E3L.CETP mice.

Project description:A 7-month inhalation study in C57BL/6 mice was conducted to evaluate long-term respiratory toxicity of e-vapor aerosols compared to cigarette smoke and to assess the impact of smoking cessation or switching to an e-vapor product after 3 months of exposure to 3R4F cigarette smoke (CS). In this study, we performed a chronic inhalation (4 h/day, 5 d/week, up to 7 months) study in C57BL/6 mice using a commercial (MarkTen®) e-vapor product and a combustible reference cigarette (3R4F) using a Switching and Cessation study design. A commercial e-vapor product (MarkTen® device [version 2.6.8]; “Test Red”) was supplied by Altria Client Services LLC (Richmond, VA, USA). The Test Red formulation was composed of aerosol formers (propylene glycol [PG] and vegetable glycerol [VG]), ~4% nicotine by weight, and flavors (non-menthol). The 3R4F commercial reference cigarettes were purchased from the University of Kentucky (Lexington, KY). HEPA filtered air at the testing facility (Battelle, West Jefferson, OH) was used as Sham Control. General procedures for animal care and housing met the Association for Assessment and Accreditation of Laboratory Animal Care (AAALAC) recommendations and requirements stated in the “Guide for Care and Use of Laboratory Animals” [National Research Council (NRC)] and approved by the Institutional Animal Care and Use Committee (IACUC). Female C57BL/6 mice were received from Charles River Kingston (Stone Ridge, NY). Test atmosphere was generated from smoking machines and delivered to the mice through a nose-only exposure system. The modified Cooperation Centre for Scientific Research Relative to Tobacco (CORESTA) Reference Method 81 regimen (55/30/5: a 55 ± 0.3 mL puff volume, a puff every 30 seconds, a 5-second puff duration) was used to generate e-vapor aerosol for 130 puffs/cartridge. Mainstream smoke from 3R4F cigarette was generated using a modified Health Canada Intense regimen (55/30/2: a 55 ± 0.3 mL puff volume, a puff every 30 seconds, a 2-second puff duration, and a near-square puff profile) for 8 puffs/cigarette. Female C57BL/6 mice (~10 weeks old) were randomly assigned based on body weight to one of five exposure groups: Sham Control, 3R4F CS, Test Red, Switching, and Cessation. Mice were exposed to 3R4F CS (550 µg/L TPM) or e-vapor aerosols (Test Red; 1100 µg/L TPM) via nose-only inhalation up to 4 h/day, 5 d/week for up to 7 months. After the first 3 months of exposure, groups of 3R4F CS mice were subjected to exposures of: (1) Test Red aerosol (“Switching”) or (2) filtered air (“Cessation”), while a group of mice continued to be exposed to 3R4F CS. Here, the protein expression data for lung tissue assessed by iTRAQ®-based quantitative proteomics is reported.

Dataset Information

Mouse ovarian Proteomic analysis after Cigarette smoke exposure

Publications

Proteomic analysis reveals that cigarette smoke exposure diminishes ovarian reserve in mice by disrupting the CREB1-mediated ovarian granulosa cell proliferation-apoptosis balance.

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