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Meng Y, Lyu Y, Gong J, Zou Y, Jiang X, Xiao M, Guo J. Therapeutic effects of curculigoside on cyclophosphamide-induced premature ovarian failure in mice. Climacteric 2024; 27:421-432. [PMID: 38990052 DOI: 10.1080/13697137.2024.2354742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/21/2024] [Accepted: 04/22/2024] [Indexed: 07/12/2024]
Abstract
OBJECTIVE The main purpose of this study was to elucidate the anti-apoptotic effects of curculigoside (CUR) on ovarian granulosa cells (GCs) in a mouse model of cyclophosphamide (CTX)-induced premature ovarian failure (POF). METHOD Intraperitoneal injection of CTX (100 mg/kg body weight) induced POF in mice. Thirty-six female mice were divided into six groups: blank group; POF model group; low-dose CUR group; medium-dose CUR group; high-dose CUR group; and estradiol benzoate group. Mice were orally administered for 28 consecutive days. Twenty-four hours after the completion of treatment, mice were weighed and euthanized, and blood was collected from the eyeball under anesthesia. The ovaries were surgically separated and weighed, and the ovarian index was calculated. Hematoxylin-eosin (HE) staining was used to observe follicular development and corpus luteum morphology in the ovaries. Serum levels of follicle stimulating hormone (FSH), anti-Müllerian hormone (AMH) and estradiol (E2) were measured. Superoxide dismutase (SOD) activity, glutathione peroxidase (GSH-Px) content and malondialdehyde (MDA) levels in ovarian tissue were determined. The GC apoptosis level was measured. Western blotting was used to detect protein expression levels of Beclin-1, LC3, P62, AKT, p-AKT, mTOR and p-mTOR in the ovaries. RESULTS The results showed that CUR can improve body weight and ovarian index; promote follicular development and reduce follicular atresia; improve FSH, AMH and E2 levels; downregulate MDA levels and restore antioxidant enzyme activity; inhibit the autophagy level; activate the AKT/mTOR signaling pathway; and alleviate GC apoptosis. CONCLUSION CUR improves POF by activating the AKT/mTOR signaling pathway, inhibiting autophagy and alleviating GC apoptosis.
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Affiliation(s)
- Yuhao Meng
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan, China
- Hubei Shizhen Laboratory, Hubei University of Chinese Medicine, Wuhan, China
| | - Yinjuan Lyu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan, China
- Hubei Shizhen Laboratory, Hubei University of Chinese Medicine, Wuhan, China
| | - Jian Gong
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan, China
- Hubei Shizhen Laboratory, Hubei University of Chinese Medicine, Wuhan, China
| | - Yue Zou
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan, China
- Hubei Shizhen Laboratory, Hubei University of Chinese Medicine, Wuhan, China
| | - Xiaocui Jiang
- Hubei Shizhen Laboratory, Hubei University of Chinese Medicine, Wuhan, China
- Laboratory Animal Center, Hubei University of Chinese Medicine, Wuhan, China
| | - Min Xiao
- Hubei Shizhen Laboratory, Hubei University of Chinese Medicine, Wuhan, China
- Laboratory Animal Center, Hubei University of Chinese Medicine, Wuhan, China
| | - Jianfang Guo
- Department of Traditional Chinese Medicine, Hubei Maternal and Child Health Hospital, Wuhan, China
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Li X, Xu J, Lin X, Lin Q, Yu T, Chen L, Chen L, Huang X, Zhang X, Chen G, Xu L. Macrophages-derived exo-miR-4449 induced by Cryptococcus affects HUVEC permeability and promotes pyroptosis in BEAS-2B via the HIC1 pathway. Cytokine 2024; 173:156441. [PMID: 37995394 DOI: 10.1016/j.cyto.2023.156441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/27/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023]
Abstract
Macrophages have recently been discovered to assume a significant role in the progression of cryptococcosis. However, the potential involvement of macrophage-derived exosomes in the pathogenesis of cryptococcosis remains uncertain. In this study, we investigated the changes of microRNAs in macrophage exosomes (exo-miRNAs) in cryptococcal infections and the role of markedly altered exo-miRNAs in the modulation of Human Umbilical Vein Endothelial Cells (HUVEC) permeability and ROS accumulation and pyroptosis in Human Bronchial Epithelioid Cells (BEAS-2B). Techniques such as microarray analysis and real-time quantitative PCR were used to detect different exo-miRNAs and to screen for the most highly expressed exo-miRNAs. Then its mimics were transfected into HUVEC to study its effect on the monolayer permeability of HUVEC. Finally, the relationship between this exo-miRNAs and the ROS accumulation and pyroptosis was verified by bioinformatics analysis. The results showed that five exo-miRNAs were overexpressed and two exo-miRNAs were reduced, among which, exo-miR-4449 was expressed at the highest level. Exo-miR-4449 could be internalized by HUVEC and enhanced its monolayer permeability. Moreover, exo-miR-4449 was found to promote ROS accumulation and pyroptosis in BEAS-2B through HIC1 pathway. Thus, exo-miR-4449 plays an important role in the pathogenesis of cryptococcosis and holds promise as a significant biomarker for treatment.
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Affiliation(s)
- Xiaohua Li
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Junping Xu
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Xin Lin
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Qiong Lin
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Tianxing Yu
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Lin Chen
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Lifang Chen
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Xiaoqing Huang
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Xueping Zhang
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Geng Chen
- Nursing Department, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
| | - Liyu Xu
- Department of Pulmonary and Critical Care Medicine, Fuzhou No. 1 Hospital Affiliated with Fujian Medical University, Fuzhou 350009, China.
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Hao K, Wang J, Yu H, Chen L, Zeng W, Wang Z, Hu G. Peroxisome Proliferator-Activated Receptor γ Regulates Lipid Metabolism in Sheep Trophoblast Cells through mTOR Pathway-Mediated Autophagy. PPAR Res 2023; 2023:6422804. [PMID: 38020065 PMCID: PMC10651342 DOI: 10.1155/2023/6422804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/03/2023] [Accepted: 10/14/2023] [Indexed: 12/01/2023] Open
Abstract
Peroxisome proliferator-activated receptor gamma (PPARγ) is a key nuclear receptor transcription factor that is highly expressed in trophoblastic cells during embryonic attachment and is accompanied by rapid cell proliferation and increased lipid accumulation. We previously showed that the autophagy pathway is activated in cells after activation of PPARγ, accompanied by increased lipid accumulation. In this study, we used PPARγ agonist rosiglitazone and inhibitor GW9662, as well as autophagy activator rapamycin and inhibitor 3-methyladenine, to unravel the probable mechanism of PPARγ engaged in lipid metabolism in sheep trophoblast cells (STCs). After 12 h, 24 h, and 48 h of drug treatment, the levels of autophagy-related proteins were detected by Western blot, the triglyceride content and MDA level of cells were detected by colorimetry, and the lipid droplets and lysosomes were localized by immunofluorescence. We found that PPARγ inhibited the activity of mammalian target of rapamycin (mTOR) pathway in STCs for a certain period of time, promoted the increase of autophagy and lysosome formation, and enhanced the accumulation of lipid droplets and triglycerides. Compared with cells whose PPARγ function is activated, blocking autophagy before activating PPARγ will hinder lipid accumulation in STCs. Pretreatment of cells with rapamycin promoted autophagy with results similar to rosiglitazone treatment, while inhibition of autophagy with 3-methyladenine reduced lysosome and lipid accumulation. Based on these observations, we conclude that PPARγ can induce autophagy by blocking the mTOR pathway, thereby promoting the accumulation of lipid droplets and lysosomal degradation, providing an energy basis for the rapid proliferation of trophoblast cells during embryo implantation. In brief, this study partially revealed the molecular regulatory mechanism of PPARγ, mTOR pathway, and autophagy on trophoblast cell lipid metabolism, which provides a theoretical basis for further exploring the functional regulatory network of trophoblast cells during the attachment of sheep embryos.
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Affiliation(s)
- Kexing Hao
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production/Institute of Animal Husbandry and Veterinary, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, China
- College of Animal Science and Technology, Shihezi University, Shihezi 832000, China
| | - Jing Wang
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production/Institute of Animal Husbandry and Veterinary, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, China
- College of Animal Science and Technology, Shihezi University, Shihezi 832000, China
| | - Hengbin Yu
- College of Animal Science and Technology, Shihezi University, Shihezi 832000, China
| | - Lei Chen
- College of Animal Science and Technology, Shihezi University, Shihezi 832000, China
| | - Weibin Zeng
- College of Animal Science and Technology, Shihezi University, Shihezi 832000, China
| | - Zhengrong Wang
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production/Institute of Animal Husbandry and Veterinary, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, China
| | - Guangdong Hu
- College of Animal Science and Technology, Shihezi University, Shihezi 832000, China
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Mao L, Yuan X, Su J, Ma Y, Li C, Chen H, Zhang F. Human Umbilical Vein Endothelial Cells Survive on the Ischemic TCA Cycle under Lethal Ischemic Conditions. J Proteome Res 2022; 21:2385-2396. [PMID: 36074008 PMCID: PMC9552233 DOI: 10.1021/acs.jproteome.2c00255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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It is generally believed that vascular endothelial cells
(VECs)
rely on glycolysis instead of the tricarboxylic acid (TCA) cycle under
both normoxic and hypoxic conditions. However, the metabolic pattern
of human umbilical vein endothelial cells (HUVECs) under extreme ischemia
(hypoxia and nutrient deprivation) needs to be elucidated. We initiated
a lethal ischemic model of HUVECs, performed proteomics and bioinformatics,
and verified the metabolic pattern shift of HUVECs. Ischemic HUVECs
displayed extensive aerobic respiration, including upregulation of
the TCA cycle and mitochondrial respiratory chain in mitochondria
and downregulation of glycolysis in cytoplasm. The TCA cycle was enhanced
while the cell viability was decreased through the citrate synthase
pathway when substrates of the TCA cycle (acetate and/or pyruvate)
were added and vice versa when inhibitors of the TCA cycle (palmitoyl-CoA
and/or avidin) were applied. The inconsistency of the TCA cycle level
and cell viability suggested that the extensive TCA cycle can keep
cells alive yet generate toxic substances that reduce cell viability.
The data revealed that HUVECs depend on “ischemic TCA cycle”
instead of glycolysis to keep cells alive under lethal ischemic conditions,
but consideration must be given to relieve cell injury.
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Affiliation(s)
- Lisha Mao
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical University, Chongqing 401147, China
| | - Xiaoqi Yuan
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical University, Chongqing 401147, China
| | - Junlei Su
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical University, Chongqing 401147, China
| | - Yaping Ma
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, China
| | - Chaofan Li
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 401147, China
| | - Hongying Chen
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital of Chongqing Medical University, Chongqing 401147, China
| | - Fugui Zhang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital of Chongqing Medical University, Chongqing 401147, China
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Ma Y, Li C, He Y, Fu T, Song L, Ye Q, Zhang F. Ischemia-Challenged human umbilical vascular endothelial cells: Proteomics data. Data Brief 2021; 36:107121. [PMID: 34136594 PMCID: PMC8176292 DOI: 10.1016/j.dib.2021.107121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/23/2021] [Accepted: 04/29/2021] [Indexed: 11/25/2022] Open
Abstract
[Human umbilical vascular endothelial cells (HUVECs) underwent ischemia, ischemia/reperfusion and normal control (sham) treatment and marked as group I, IR and NC, respectively, were detected by quantitative proteomics and bioinformatics analyses. Proteins in Beclin-1/LC3-II-dependent canonical macroautophagy pathway were verified in details. The significantly upregulated proteins encoded by autophagy-related genes (ATGs) included ATG2A, ATG3, ATG4B, ATG5, ATG7, ATG9A, ATG12, ATG16 and ATG101. The significantly enhanced lysosomal proteins comprised Cathepsin B, Cathepsin D, lysosome-associated membrane protein 1 (LAMP1) and LAMP2. However, the differentially expressed proteins excluded Beclin-1, microtubule-associated protein light chain 3 (LC3)-I and LC3-II. Western blot analyses verified that the protein expressions of Beclin-1, LC3-I and LC3-II were neither upregulated nor downregulated in ischemia-challenged HUVECs.].
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Affiliation(s)
- Yaping Ma
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, 401147, P. R. China
| | - Chaofan Li
- Vice Director, Department of Oral and Maxillofacial Surgery, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, P. R. China
| | - Yan He
- Research Fellow, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, MA, 02114, United States
- Tianyou Hospital, Wuhan University of Science & Technology, Wuhan 430064, China
| | - Tiwei Fu
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, 401147, P. R. China]
| | - Li Song
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, 401147, P. R. China
| | - Qingsong Ye
- Research Fellow, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, MA, 02114, United States
| | - Fugui Zhang
- Vice Director, Department of Oral and Maxillofacial Surgery, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, P. R. China
- Research Fellow, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, MA, 02114, United States
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