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Islam MN, Ebara F, Kawasaki K, Konno T, Tatemoto H, Yamanaka KI. Attenuation of endoplasmic reticulum stress improves invitro growth and subsequent maturation of bovine oocytes. Theriogenology 2024; 228:54-63. [PMID: 39096624 DOI: 10.1016/j.theriogenology.2024.07.027] [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: 05/06/2024] [Revised: 07/03/2024] [Accepted: 07/30/2024] [Indexed: 08/05/2024]
Abstract
Endoplasmic reticulum (ER) stress interferes with developmental processes in oocyte maturation and embryo development. Invitro growth (IVG) is associated with low developmental competence, and ER stress during IVG culture may play a role. Therefore, this study aimed to examine the effect of tauroursodeoxycholic acid (TUDCA), an ER stress inhibitor, on the IVG of bovine oocytes to understand the role of ER stress. Oocyte-granulosa cell complexes (OGCs) were collected from early antral follicles (1.5-1.8 mm) and allowed to grow in vitro for 5 days at 38.5 °C in a humidified atmosphere containing 5 % CO2. Basic growth culture medium was supplemented with TUDCA at various concentrations (0, 50, 100, 250, and 500 μM). After IVG, oocyte diameters were similar among groups, but the antrum formation rate tended to be higher in the TUDCA 100 μM group. The mRNA expression levels of ER stress-associated genes (PERK, ATF6, ATF4, CHOP, BAX, IRE1, and XBP1) in OGCs were downregulated in the TUDCA 100 μM group than those in the control group. Moreover, the TUDCA 100 μM group exhibited reduced ROS production with higher GSH levels and improved in vitro-grown oocyte maturation compared with those in the control group. In contrast, no difference in the developmental competence of embryos following invitro fertilization was observed between the control and TUDCA 100 μM groups. These results indicate that ER stress could impair IVG and subsequent maturation rate of bovine oocytes, and TUDCA could alleviate these detrimental effects. These outcomes might improve the quality of oocytes in IVG culture in assisted reproductive technology.
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Affiliation(s)
- Md Nuronnabi Islam
- Faculty of Agriculture, Saga University, Saga, Japan; The United Graduate School of Agricultural Science, Kagoshima University, Kagoshima, Japan; Department of Animal Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Fumio Ebara
- Faculty of Agriculture, Saga University, Saga, Japan; The United Graduate School of Agricultural Science, Kagoshima University, Kagoshima, Japan
| | - Kokoro Kawasaki
- Faculty of Agriculture, University of the Ryukyus, Okinawa, Japan
| | - Toshihiro Konno
- The United Graduate School of Agricultural Science, Kagoshima University, Kagoshima, Japan; Faculty of Agriculture, University of the Ryukyus, Okinawa, Japan
| | - Hideki Tatemoto
- The United Graduate School of Agricultural Science, Kagoshima University, Kagoshima, Japan; Faculty of Agriculture, University of the Ryukyus, Okinawa, Japan
| | - Ken-Ichi Yamanaka
- Faculty of Agriculture, Saga University, Saga, Japan; The United Graduate School of Agricultural Science, Kagoshima University, Kagoshima, Japan.
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2
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Zhang B, Gao K, Cao J, Xing G, Ji Z, Li Z, Li Y, Keijer J, Xie M, Zhou Z, Hou S, Tang J. Maternal riboflavin deficiency causes embryonic defects by activating ER stress-induced hepatocyte apoptosis pathway. Free Radic Biol Med 2024; 224:418-435. [PMID: 39241988 DOI: 10.1016/j.freeradbiomed.2024.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2024] [Revised: 08/20/2024] [Accepted: 09/03/2024] [Indexed: 09/09/2024]
Abstract
Riboflavin deficiency (RD) induces liver damage, abnormal embryonic development, and high mortality. We hypothesized that the phenotype could be rescued by inhibiting ER stress. The objectives of the present study were to investigate the underlying molecular mechanisms of RD-induced embryonic defects using in vitro and in vivo models. Primary duck embryonic hepatocytes were treated with an ER stress inhibitor (4-PBA) or transfected with CHOP siRNA, and cultured in RD medium and riboflavin-sufficient (CON) medium for 8 days. Laying ducks (n = 20 cages/diet, 1 bird/cage) were fed an RD diet or CON diet for 14 wk, and the eggs were collected for hatching. At day 7 of incubation, the fertilized RD eggs were injected with or without 4-PBA into the yolk. RD decreased cell number and cell viability compared to the CON group, induced oxidative stress and apoptosis in primary duck embryonic hepatocytes. However, after being treated with an ER stress inhibitor (4-PBA) or transfected with CHOP siRNA, the apoptosis rate in RD hepatocytes decreased by 60.6 % and 86.1 %, respectively, being equal to the CON. These results indicated that RD-induced hepatocyte apoptosis is mediated by ER stress and the CHOP pathway. In vivo, RD embryos showed low hatchability, abnormal development, liver damage, ER stress, and apoptosis compared to the CON group. However, 4-PBA administration, as a model of ER stress inhibition, substantially restored embryonic development and alleviated liver damage in the RD group, including ER stress and apoptosis. Notably, hatchability in the RD group increased from 21.7 % to 72.7 % after 4-PBA treatment, though it remained less than the CON group (87.7 %). These results implicated ER stress-CHOP-apoptosis pathway as molecular mechanisms underlying RD-induced abnormal embryonic development and death, this target with potential for therapy or intervention.
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Affiliation(s)
- Bo Zhang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China
| | - Kexin Gao
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Junting Cao
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Guangnan Xing
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Zhanqing Ji
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Zhinan Li
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Yating Li
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jaap Keijer
- Human and Animal Physiology, Wageningen University, 6700 AH Wageningen, the Netherlands
| | - Ming Xie
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Zhengkui Zhou
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Shuisheng Hou
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
| | - Jing Tang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
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Wang M, Zhou J, Long R, Li Y, Gao L, Mao R, Wang X, Guo N, Jin L, Zhu L. Recryopreservation impairs blastocyst implantation potential via activated endoplasmic reticulum stress pathway and induced apoptosis. MedComm (Beijing) 2024; 5:e689. [PMID: 39156765 PMCID: PMC11329749 DOI: 10.1002/mco2.689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/21/2024] [Accepted: 07/21/2024] [Indexed: 08/20/2024] Open
Abstract
Recryopreservation (recryo) is occasionally applied in clinical, while the underlying mechanism of impaired clinical outcomes after recryo remains unclear. In this study, frozen embryo transfer (FET) cycles of single blastocyst transfer in an academic reproductive medicine center were enrolled. According to the number of times blastocysts experienced cryopreservation, they were divided into the cryopreservation (Cryo) group and the Recryo group. Donated human blastocysts were collected and detected for mechanism exploration. It was found that recryo procedure resulted in impaired blastocyst developmental potential, including decreased implantation rate, reduced biochemical pregnancy rate, declined clinical pregnancy rate, higher early miscarriage rate, and lower live birth rate. Moreover, recryo led to impaired trophectoderm (TE) function, exhibiting lower human chorionic gonadotropin levels 12 days after FET. In addition, single-cell RNA sequencing showed that the expression of genes involved in cell adhesion and embryo development were altered. More specifically, activated endoplasmic reticulum (ER) pathway and induced apoptosis were further verified by immunofluorescence and terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) assay involving in the recryo procedure. In conclusion, recryo could interfere with the process of blastocyst implantation by impairing TE function, affecting blastocyst adhesion, activating ER stress pathway and inducing apoptosis. It provides caution to embryologists about the potential risk of recryopreservation.
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Affiliation(s)
- Meng Wang
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Juepu Zhou
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Rui Long
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Yuehan Li
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Limin Gao
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Ruolin Mao
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Xiangfei Wang
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Na Guo
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Lei Jin
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
| | - Lixia Zhu
- Reproductive Medicine CenterTongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhanChina
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Wang PX, Wu SL, Ju JQ, Jiao L, Zou YJ, Zhang KH, Sun SC, Hu LL, Zheng XB. Benzo[a]pyrene exposure disrupts the organelle distribution and function of mouse oocytes. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 281:116630. [PMID: 38917590 DOI: 10.1016/j.ecoenv.2024.116630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/22/2024] [Accepted: 06/19/2024] [Indexed: 06/27/2024]
Abstract
Benzo[a]pyrene (BaP) is a polycyclic aromatic hydrocarbon compound that is generated during combustion processes, and is present in various substances such as foods, tobacco smoke, and burning emissions. BaP is extensively acknowledged as a highly carcinogenic substance to induce multiple forms of cancer, such as lung cancer, skin cancer, and stomach cancer. Recently it is shown to adversely affect the reproductive system. Nevertheless, the potential toxicity of BaP on oocyte quality remains unclear. In this study, we established a BaP exposure model via mouse oral gavage and found that BaP exposure resulted in a notable decrease in the ovarian weight, number of GV oocytes in ovarian, and oocyte maturation competence. BaP exposure caused ribosomal dysfunction, characterized by a decrease in the expression of RPS3 and HPG in oocytes. BaP exposure also caused abnormal distribution of the endoplasmic reticulum (ER) and induced ER stress, as indicated by increased expression of GRP78. Besides, the Golgi apparatus exhibited an abnormal localization pattern, which was confirmed by the GM130 localization. Disruption of vesicle transport processes was observed by the abnormal expression and localization of Rab10. Additionally, an enhanced lysosome and LC3 fluorescence intensity indicated the occurrence of protein degradation in oocytes. In summary, our results suggested that BaP exposure disrupted the distribution and functioning of organelles, consequently affecting the developmental competence of mouse oocytes.
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Affiliation(s)
- Peng-Xia Wang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Guangxi University, Nanning, 530004, China; Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Guangxi University, Nanning 530004, China
| | - Si-Le Wu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jia-Qian Ju
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Le Jiao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yuan-Jing Zou
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Kun-Huan Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shao-Chen Sun
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Lin-Lin Hu
- Key Laboratory of Research on Clinical Molecular Diagnosis for High Incidence Diseases in Western Guangxi, Reproductive Medicine of Guangxi Medical and Health Key Discipline Construction Project, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China.
| | - Xi-Bang Zheng
- College of Animal Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Guangxi University, Nanning, 530004, China; Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Guangxi University, Nanning 530004, China.
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Guan L, Ge R, Ma S. Newsights of endoplasmic reticulum in hypoxia. Biomed Pharmacother 2024; 175:116812. [PMID: 38781866 DOI: 10.1016/j.biopha.2024.116812] [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: 04/15/2024] [Revised: 05/19/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024] Open
Abstract
The endoplasmic reticulum (ER) is important to cells because of its essential functions, including synthesizing three major nutrients and ion transport. When cellular homeostasis is disrupted, ER quality control (ERQC) system is activated effectively to remove misfolded and unfolded proteins through ER-phagy, ER-related degradation (ERAD), and molecular chaperones. When unfolded protein response (UPR) and ER stress are activated, the cell may be suffering a huge blow, and the most probable consequence is apoptosis. The membrane contact points between the ER and sub-organelles contribute to communication between the organelles. The decrease in oxygen concentration affects the morphology and structure of the ER, thereby affecting its function and further disrupting the stable state of cells, leading to the occurrence of disease. In this study, we describe the functions of ER-, ERQC-, and ER-related membrane contact points and their changes under hypoxia, which will help us further understand ER and treat ER-related diseases.
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Affiliation(s)
- Lu Guan
- Qinghai University, Xining, Qinghai, China
| | - Rili Ge
- Key Laboratory of the Ministry of High Altitude Medicine, Qinghai University, Xining, Qinghai, China; Key Laboratory of Applied Fundamentals of High Altitude Medicine, (Qinghai-Utah Joint Key Laboratory of Plateau Medicine), Qinghai University, Xining, Qinghai, China; Laboratory for High Altitude Medicine of Qinghai Province, Qinghai University, Xining, Qinghai, China
| | - Shuang Ma
- Key Laboratory of the Ministry of High Altitude Medicine, Qinghai University, Xining, Qinghai, China; Key Laboratory of Applied Fundamentals of High Altitude Medicine, (Qinghai-Utah Joint Key Laboratory of Plateau Medicine), Qinghai University, Xining, Qinghai, China; Laboratory for High Altitude Medicine of Qinghai Province, Qinghai University, Xining, Qinghai, China.
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Topbas Selcuki NF, Yalcin Bahat P, Deniz N, Kaya C, Bagci K, Oral E. Relationship Between Recurrent Pregnancy Loss With Unknown Etiology and Endoplasmic Reticulum Stress. Cureus 2024; 16:e60899. [PMID: 38910737 PMCID: PMC11193145 DOI: 10.7759/cureus.60899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/22/2024] [Indexed: 06/25/2024] Open
Abstract
INTRODUCTION Recurrent pregnancy loss (RPL) is characterized by consecutive pregnancy losses before 20 weeks of gestation, with evolving definitions necessitating adjustments to prevent delays in couples' evaluation. Limited etiological data on RPL prompts comprehensive evaluations, often yielding no pathological findings. Emerging research implicates endoplasmic reticulum (ER) stress in various reproductive processes, yet its association with RPL remains understudied. AIM To evaluate ER stress in patients with RPL with unknown etiology by determining the plasma concentration of X-box binding protein-1 (XBP-1). MATERIALS AND METHODS A total of 45 patients aged 18 to 35 years with at least two pregnancy losses with unknown etiology before the completion of 20 weeks of gestation between March 2020 and September 2020 were included in the study group. The control group consisted of 45 healthy women with at least two previous live births, no pregnancy-associated complications, and no history of pregnancy loss or infertility. The XBP-1 levels were determined from serum samples. Statistical analyses assessed differences between groups, and receiver operating characteristic (ROC) curve analysis determined XBP-1's predictive value for RPL. RESULTS The mean XBP-1 concentration in the RPL group was significantly higher than in the control group (p < 0.001). The mean values were 2243.65 ± 9425.27 pg/mL and 1196.32 ± 4378.81 pg/mL, respectively. The use of XBP-1 levels for the prediction of RPL was evaluated. In an ROC curve analysis, the area under the curve was found to be 87% (95% CI: 80% to 94.8%). The specificity was 78%, the sensitivity was 88%, the positive likelihood ratio (LR) was 4, the negative LR was 0.15, the positive predictive value was 80%, and the negative predictive value was 87% for the cut-off XBP-1 level at 1364.68 pg/mL. CONCLUSION This study highlights the potential role of ER stress in RPL and proposes XBP-1 as a predictive biomarker for pregnancy loss. Understanding ER stress mechanisms in RPL could inform diagnostic and therapeutic strategies. Further research is essential to validate these findings and explore their clinical implications.
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Affiliation(s)
- Nura F Topbas Selcuki
- Obstetrics and Gynecology, University of Health Sciences, Istanbul Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, TUR
| | - Pinar Yalcin Bahat
- Obstetrics and Gynecology, Kanuni Sultan Süleyman Training and Research Hospital, Istanbul, TUR
| | - Necip Deniz
- Obstetrics and Gynecology, Sanko University Hospital, Gaziantep, TUR
| | - Cihan Kaya
- Obstetrics and Gynecology, Bakırköy Dr. Sadi Konuk Training and Research Hospital, Istanbul, TUR
| | - Kubra Bagci
- Obstetrics and Gynecology, Yeni Yüzyıl University Gaziosmanpaşa Hospital, Istanbul, TUR
| | - Engin Oral
- Obstetrics and Gynecology, Biruni University, Istanbul, TUR
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Ou L, Li M, Hou Y. Network pharmacology, bioinformatics, and experimental validation to identify the role of Hedyotis diffusa willd against gastric cancer through the activation of the endoplasmic reticulum stress. Heliyon 2024; 10:e28833. [PMID: 38576568 PMCID: PMC10990957 DOI: 10.1016/j.heliyon.2024.e28833] [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] [Received: 08/24/2023] [Revised: 03/23/2024] [Accepted: 03/26/2024] [Indexed: 04/06/2024] Open
Abstract
Background Globally, gastric cancer (GC) is recognized as the third leading cause of cancer-related deaths and the fifth most prevalent malignant disease. Multiple studies have indicated that Hedyotis diffusa Willd, in pinyin, called Bai Hua She Cao (BHSSC), a traditional Chinese medicine (TCM) is an herbal remedy for cancer treatment. However, the specific mechanisms underlying its anti-tumor properties and mode of action are still unclear. Methods To determine the role of BHSSC in GC, candidate target genes were selected from The Encyclopedia of Traditional Chinese Medicine (ETCM) and analyzed using network pharmacology, bioinformatics, and experimental validation. Differentially expressed genes (DEGs) associated with gastric cancer were obtained from RNA sequencing (RNA-seq) data sourced from The Cancer Genome Atlas-Stomach adenocarcinoma (TCGA-STAD). The Reactome Pathway was examined using Analysis Tools, while KEGG pathways were analyzed using KOBAS. Gene Ontology (GO) evaluations were performed using WebGestalt and DAVID. The relationships between proteins were investigated using the STRING database. Furthermore, cell viability, colony formation, and cell migration ability were conducted in gastric cancer cells, BGC-823 and MGC-803. Results Network pharmacology and bioinformatics analyses revealed a significant association between BHSSC and metabolic pathways. In vitro experiments demonstrated that BHSSC effectively suppressed gastric cancer cell proliferation and colony formation, inhibited cell migration, and activated the endoplasmic reticulum (ER) stress. Furthermore, it was found that enhancement of the expression of IRE1α and BIP is the mechanism by which BHSSC activates ER stress. Conclusions The findings suggest that BHSSC exerts its effects through modulation of metabolic pathways, leading to the suppression of cell proliferation, inhibition of cell migration, and activation of the endoplasmic reticulum. These results provide valuable insights into the mechanisms underlying the therapeutic effects of BHSSC in GC and support its potential as a novel treatment option.
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Affiliation(s)
| | - Mengyang Li
- The First People's Hospital of Chenzhou, The First Affiliated Hospital of Xiangnan University, Chenzhou, China
| | - Yan Hou
- The First People's Hospital of Chenzhou, The First Affiliated Hospital of Xiangnan University, Chenzhou, China
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Sahu S, Rao AR, Sahu TK, Pandey J, Varshney S, Kumar A, Gaikwad K. Predictive Role of Cluster Bean ( Cyamopsis tetragonoloba) Derived miRNAs in Human and Cattle Health. Genes (Basel) 2024; 15:448. [PMID: 38674383 PMCID: PMC11049822 DOI: 10.3390/genes15040448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/22/2023] [Accepted: 09/11/2023] [Indexed: 04/28/2024] Open
Abstract
MicroRNAs (miRNAs) are small non-coding conserved molecules with lengths varying between 18-25nt. Plants miRNAs are very stable, and probably they might have been transferred across kingdoms via food intake. Such miRNAs are also called exogenous miRNAs, which regulate the gene expression in host organisms. The miRNAs present in the cluster bean, a drought tolerant legume crop having high commercial value, might have also played a regulatory role for the genes involved in nutrients synthesis or disease pathways in animals including humans due to dietary intake of plant parts of cluster beans. However, the predictive role of miRNAs of cluster beans for gene-disease association across kingdoms such as cattle and humans are not yet fully explored. Thus, the aim of the present study is to (i) find out the cluster bean miRNAs (cb-miRs) functionally similar to miRNAs of cattle and humans and predict their target genes' involvement in the occurrence of complex diseases, and (ii) identify the role of cb-miRs that are functionally non-similar to the miRNAs of cattle and humans and predict their targeted genes' association with complex diseases in host systems. Here, we predicted a total of 33 and 15 functionally similar cb-miRs (fs-cb-miRs) to human and cattle miRNAs, respectively. Further, Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis revealed the participation of targeted genes of fs-cb-miRs in 24 and 12 different pathways in humans and cattle, respectively. Few targeted genes in humans like LCP2, GABRA6, and MYH14 were predicted to be associated with disease pathways of Yesinia infection (hsa05135), neuroactive ligand-receptor interaction (hsa04080), and pathogenic Escherichia coli infection (hsa05130), respectively. However, targeted genes of fs-cb-miRs in humans like KLHL20, TNS1, and PAPD4 are associated with Alzheimer's, malignant tumor of the breast, and hepatitis C virus infection disease, respectively. Similarly, in cattle, targeted genes like ATG2B and DHRS11 of fs-cb-miRs participate in the pathways of Huntington disease and steroid biosynthesis, respectively. Additionally, the targeted genes like SURF4 and EDME2 of fs-cb-miRs are associated with mastitis and bovine osteoporosis, respectively. We also found a few cb-miRs that do not have functional similarity with human and cattle miRNAs but are found to target the genes in the host organisms and as well being associated with human and cattle diseases. Interestingly, a few genes such as NRM, PTPRE and SUZ12 were observed to be associated with Rheumatoid Arthritis, Asthma and Endometrial Stromal Sarcoma diseases, respectively, in humans and genes like SCNN1B associated with renal disease in cattle.
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Affiliation(s)
- Sarika Sahu
- Indian Agricultural Statistics Research Institute, ICAR, New Delhi 110012, India; (S.S.); (J.P.); (S.V.)
- Amity Institute of Biotechnology, Amity University, Noida 201303, India;
| | - Atmakuri Ramakrishna Rao
- Indian Agricultural Statistics Research Institute, ICAR, New Delhi 110012, India; (S.S.); (J.P.); (S.V.)
- Indian Council of Agricultural Research, New Delhi 110001, India
| | - Tanmaya Kumar Sahu
- Indian Grassland and Fodder Research Institute, ICAR, Jhansi 284003, India;
| | - Jaya Pandey
- Indian Agricultural Statistics Research Institute, ICAR, New Delhi 110012, India; (S.S.); (J.P.); (S.V.)
| | - Shivangi Varshney
- Indian Agricultural Statistics Research Institute, ICAR, New Delhi 110012, India; (S.S.); (J.P.); (S.V.)
| | - Archna Kumar
- Amity Institute of Biotechnology, Amity University, Noida 201303, India;
| | - Kishor Gaikwad
- National Institute for Plant Biotechnology, ICAR, New Delhi 110012, India;
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Li C, Ji KB, Choi HY, Liu H, Kim M. Schisandrin B enhances embryo competence and potentially mitigates endoplasmic reticulum stress during porcine preimplantation development. Theriogenology 2024; 220:26-34. [PMID: 38460201 DOI: 10.1016/j.theriogenology.2024.02.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/11/2024]
Abstract
Endoplasmic reticulum (ER) stress induced by agents such as tunicamycin (TM) substantially impedes the developmental progression of porcine embryos. Lignan compounds such as Schisandrin B (Sch-B), may have the potential to mitigate this stress. However, there are few studies on the effects of Sch-B on embryo development. To address this research gap, this study evaluates the protective efficacy of Sch-B against TM-induced ER stress during pivotal stages of porcine embryogenesis. Notably, embryos treated with Sch-B exhibited pronounced resistance to TM-induced developmental arrest, particularly at the 4-cell stage, facilitating progression to the 8-cell stage and subsequent blastocyst formation. It was also observed that Sch-B effectively reduced reactive oxygen species (ROS) levels and improved mitochondrial membrane potential (MMP). Furthermore, Sch-B positively influenced the expression of several stress-related genes. These findings highlight the promising role of Sch-B in improving porcine embryo development and mitigating ER stress.
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Affiliation(s)
- Chuang Li
- Division of Animal and Dairy Science, College of Agriculture and Life Science, Chungnam National University, Daejeon, South Korea
| | - Kuk Bin Ji
- Division of Animal and Dairy Science, College of Agriculture and Life Science, Chungnam National University, Daejeon, South Korea
| | - Ho Yong Choi
- Division of Animal and Dairy Science, College of Agriculture and Life Science, Chungnam National University, Daejeon, South Korea
| | - Haixing Liu
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, Jilin, China
| | - Minkyu Kim
- Division of Animal and Dairy Science, College of Agriculture and Life Science, Chungnam National University, Daejeon, South Korea; MK Biotech Inc., 99 Daehak-ro, Yuseong-gu, Daejeon, South Korea.
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10
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Li Y, Zhou LQ, Yin Y. Surfeit locus protein 4 modulates endoplasmic reticulum function and maintains oocyte quality. Cell Cycle 2024; 23:703-712. [PMID: 38819114 PMCID: PMC11229756 DOI: 10.1080/15384101.2024.2360287] [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: 05/11/2023] [Accepted: 05/21/2024] [Indexed: 06/01/2024] Open
Abstract
Surfeit locus protein 4 is a cargo receptor mediating cargo transport from the endoplasmic reticulum lumen to the Golgi apparatus. Loss of Surf4 gene led to embryonic lethality in mice. However, the role of Surf4 during oocyte development remains unknown. In this study, we generated the mouse model with oocyte-specific knockout of Surf4 gene. We found that adult mice with deletion of Surf4 showed normal folliculogenesis, ovulation and fertility. However, loss of Surf4 slightly impaired oocyte quality, thus led to partial oocyte meiotic arrest and reduced ratio of blastocyst formation. Consistent with this, the distribution of endoplasmic reticulum was disturbed in Surf4-deficient oocytes in mice. These results demonstrated that although Surf4 is dispensable for female mouse fertility, Surf4 modulates endoplasmic reticulum arrangement and participates in regulation of developmental competence of oocytes.
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Affiliation(s)
- Yuanyuan Li
- Department of Obstetrics and Gynecology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li-Quan Zhou
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ying Yin
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
- Center for Genomics and Proteomics Research, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Drug Target Research and Pharmacodynamic Evaluation, Huazhong University of Science and Technology, Wuhan, China
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11
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Kang JS, Joo MD, Lee SH, Kang SM, Haider Z, Perera CD, Idrees M, Jin Y, Kong IK. Effect of additional cytoplasm injection on the cloned bovine embryo organelle distribution and stress mitigation. Theriogenology 2024; 216:12-19. [PMID: 38147714 DOI: 10.1016/j.theriogenology.2023.11.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 11/29/2023] [Accepted: 11/29/2023] [Indexed: 12/28/2023]
Abstract
Although somatic cell nuclear transfer (SCNT) is a critical component of animal cloning, this approach has several issues. We previously introduced the cytoplasm injection cloning technology (CICT), which significantly improves the quality and quantity of cloned embryos. This study examined the residual status of fused cytoplasmic organelles, such as the endoplasmic reticulum (ER) and lysosomes, in the CICT group during early embryo development. We found that extra-cytoplasmic organelles stained using the ER-Tracker™ Green dye and LysoTracker™ Deep Red probe were fused and dispersed throughout the recipient oocyte and were still visible in day 8 blastocysts. We screened for ER stress, autophagy, and apoptosis-related genes to elucidate the association between the added organelles and improved embryo quality in CICT-cloned embryos. We found that CHOP, ATF4, ATG5, ATG7, and LC3 genes showed non-significantly up- or downregulated expression between CICT- and in vitro fertilization (IVF)-derived embryos but showed significantly (p < 0.05) upregulated expression in SCNT-cloned embryos. Surprisingly, a non-significant difference in the expression of some genes, such as ATF6 and caspase-3, was observed between the CICT- and SCNT-cloned embryos. Our findings imply that compared to conventional SCNT cloning, CICT-derived cloned embryos with additional cytoplasm have much higher organelle activity, lower autophagy, lower rates of apoptosis, and higher embryo development rates.
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Affiliation(s)
- Ji-Su Kang
- Division of Applied Life Science (BK21 Four), Graduate School of Applied Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea.
| | - Myeong-Don Joo
- Division of Applied Life Science (BK21 Four), Graduate School of Applied Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea.
| | - Seo-Hyeon Lee
- Division of Applied Life Science (BK21 Four), Graduate School of Applied Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Seon-Min Kang
- Division of Applied Life Science (BK21 Four), Graduate School of Applied Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Zaheer Haider
- Division of Applied Life Science (BK21 Four), Graduate School of Applied Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Chalani Dilshani Perera
- Division of Applied Life Science (BK21 Four), Graduate School of Applied Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Muhammad Idrees
- Division of Applied Life Science (BK21 Four), Graduate School of Applied Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea; Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Yongxun Jin
- Department of Laboratory Animals, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun, 130062, Jilin, PR China.
| | - Il-Keun Kong
- Department of Laboratory Animals, Jilin Provincial Key Laboratory of Animal Model, Jilin University, Changchun, 130062, Jilin, PR China; Division of Applied Life Science (BK21 Four), Graduate School of Applied Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea; Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea; Thekingkong Co. Ltd., Gyeongsang National University, Jinju, 52828, Republic of Korea.
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12
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Wang AL, Mambou EA, Kao AW. The progranulin cleavage product granulin 3 exerts a dominant negative effect on animal fitness. Hum Mol Genet 2024; 33:245-253. [PMID: 37903062 PMCID: PMC10800025 DOI: 10.1093/hmg/ddad184] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/12/2023] [Accepted: 10/24/2023] [Indexed: 11/01/2023] Open
Abstract
Progranulin is an evolutionarily conserved protein that has been implicated in human neurodevelopmental and neurodegenerative diseases. Human progranulin is comprised of multiple cysteine-rich, biologically active granulin peptides. Granulin peptides accumulate with age and stress, however their functional contributions relative to full-length progranulin remain unclear. To address this, we generated C. elegans strains that produced quantifiable levels of both full-length progranulin/PGRN-1 protein and cleaved granulin peptide. Using these strains, we demonstrated that even in the presence of intact PGRN-1, granulin peptides suppressed the activity of the lysosomal aspartyl protease activity, ASP-3/CTSD. Granulin peptides were also dominant over PGRN-1 in compromising animal fitness as measured by progress through development and stress response. Finally, the degradation of human TDP-43 was impaired when the granulin to PGRN-1 ratio was increased, representing a disease-relevant downstream impact of impaired lysosomal function. In summary, these studies suggest that not only absolute progranulin levels, but also the balance between full-length progranulin and its cleavage products, is important in regulating lysosomal biology. Given its relevance in human disease, this suggests that the processing of progranulin into granulins should be considered as part of disease pathobiology and may represent a site of therapeutic intervention.
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Affiliation(s)
- Austin L Wang
- Memory and Aging Center, Weill Institute for Neuroscience, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Edwina A Mambou
- Memory and Aging Center, Weill Institute for Neuroscience, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Aimee W Kao
- Memory and Aging Center, Weill Institute for Neuroscience, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
- Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA, United States
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13
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Zhang H, Rui M, Ma Z, Gong S, Zhang S, Zhou Q, Gan C, Gong W, Wang S. Golgi-to-ER retrograde transport prevents premature differentiation of Drosophila type II neuroblasts via Notch-signal-sending daughter cells. iScience 2024; 27:108545. [PMID: 38213621 PMCID: PMC10783626 DOI: 10.1016/j.isci.2023.108545] [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] [Received: 06/26/2023] [Revised: 09/18/2023] [Accepted: 11/20/2023] [Indexed: 01/13/2024] Open
Abstract
Stem cells are heterogeneous to generate diverse differentiated cell types required for organogenesis; however, the underlying mechanisms that differently maintain these heterogeneous stem cells are not well understood. In this study, we identify that Golgi-to-endoplasmic reticulum (ER) retrograde transport specifically maintains type II neuroblasts (NBs) through the Notch signaling. We reveal that intermediate neural progenitors (INPs), immediate daughter cells of type II NBs, provide Delta and function as the NB niche. The Delta used by INPs is mainly produced by NBs and asymmetrically distributed to INPs. Blocking retrograde transport leads to a decrease in INP number, which reduces Notch activity and results in the premature differentiation of type II NBs. Furthermore, the reduction of Delta could suppress tumor formation caused by type II NBs. Our results highlight the crosstalk between Golgi-to-ER retrograde transport, Notch signaling, stem cell niche, and fusion as an essential step in maintaining the self-renewal of type II NB lineage.
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Affiliation(s)
- Huanhuan Zhang
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Menglong Rui
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Zhixin Ma
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Sifan Gong
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Shuliu Zhang
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Qingxia Zhou
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Congfeng Gan
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Wenting Gong
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
| | - Su Wang
- The Key Laboratory of Developmental Genes and Human Disease, School of Life Science and Technology, Southeast University, Nanjing 210096, China
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226019, China
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14
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Inoue Y, Fukushima M, Hirasawa G, Furukawa F, Takeda H, Umatani C. Maternal High-Fat Diet Affects the Contents of Eggs and Causes Abnormal Development in the Medaka Fish. Endocrinology 2024; 165:bqae006. [PMID: 38279936 DOI: 10.1210/endocr/bqae006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/10/2024] [Accepted: 01/24/2024] [Indexed: 01/29/2024]
Abstract
Maternal nutritional status can affect development and metabolic phenotypes of progeny in animals. The effects of maternal diet are thought to be mediated mainly by changes inside oocytes such as organelles, maternal RNAs, and metabolites. However, to what extent each factor contributes to offspring phenotypes remains uncertain, especially in viviparous mammalian systems, where factors other than oocytes, such as placenta and milk, need to be considered. Here, using the medaka fish as an oviparous vertebrate model, we examined whether maternal high-fat diet (mHFD) feeding affects offspring development and what kind of changes occur in the contents of mature eggs. We found that mHFD caused the high frequency of embryonic deformities of offspring, accompanied by downregulation of transcription- and translation-related genes and zygotic transcripts at the blastula stage. Transcriptomic and metabolomic analyses of mature eggs suggested decreased catabolism of amino acids and glycogen, moderate upregulation of endoplasmic reticulum stress-related genes, and elevated lipid levels in mHFD eggs. Furthermore, high-fat diet females showed a higher incidence of oocyte atresia and downregulation of egg protein genes in the liver. These data suggest that attenuated amino acid catabolism triggered by decreased yolk protein load/processing, as well as elevated lipid levels inside eggs, are the prime candidates that account for the higher incidence of embryonic deformities in mHFD offspring. Our study presents a comprehensive data on the changes inside eggs in a mHFD model of nonmammalian vertebrates and provides insights into the mechanisms of parental nutritional effects on offspring.
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Affiliation(s)
- Yusuke Inoue
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
| | - Manatsu Fukushima
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
| | - Go Hirasawa
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
- Department of Agricultural and Environmental Biology, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan
| | - Fumiya Furukawa
- School of Marine Biosciences, Kitasato University, Kanagawa 252-0373, Japan
| | - Hiroyuki Takeda
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
- Faculty of Life Sciences, Kyoto Sangyo University, Kyoto 603-8555, Japan
| | - Chie Umatani
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo 113-0033, Japan
- Division of Applied Biological Chemistry, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
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15
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Heo G, Lee SH, Kim JD, Lee GH, Sim JM, Zhou D, Guo J, Cui XS. GRP78 acts as a cAMP/PKA signaling modulator through the MC4R pathway in porcine embryonic development. FASEB J 2023; 37:e23274. [PMID: 37917004 DOI: 10.1096/fj.202301356r] [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: 07/05/2023] [Revised: 09/23/2023] [Accepted: 10/08/2023] [Indexed: 11/03/2023]
Abstract
Glucose-regulated protein 78 (GRP78) binds to and stabilizes melanocortin 4 receptor (MC4R), which activates protein kinase A (PKA) by regulating G proteins. GRP78 is primarily used as a marker for endoplasmic reticulum stress; however, its other functions have not been well studied. Therefore, in this study, we aimed to investigate the function of GRP78 during porcine embryonic development. The developmental quality of porcine embryos, expression of cell cycle proteins, and function of mitochondria were evaluated by inhibiting the function of GRP78. Porcine oocytes were activated to undergo parthenogenesis, and blastocysts were obtained after 7 days of in vitro culture. GRP78 function was inhibited by adding 20 μM HA15 to the in vitro culture medium. The inhibition in GRP78 function led to a decrease in G proteins release, which subsequently downregulated the cyclic adenosine monophosphate (cAMP)/PKA pathway. Ultimately, inhibition of GRP78 function induced the inhibition of CDK1 and cyclin B expression and disruption of the cell cycle. In addition, inhibition of GRP78 function regulated DRP1 and SIRT1 expression, resulting in mitochondrial dysfunction. This study provides new insights into the role of GRP78 in porcine embryonic development, particularly its involvement in the regulation of the MC4R pathway and downstream cAMP/PKA signaling. The results suggest that the inhibition of GRP78 function in porcine embryos by HA15 treatment may have negative effects on embryo quality and development. This study also demonstrated that GRP78 plays a crucial role in the functioning of MC4R, which releases the G protein during porcine embryonic development.
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Affiliation(s)
- Geun Heo
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Song-Hee Lee
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Ji-Dam Kim
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Gyu-Hyun Lee
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Jae-Min Sim
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Dongjie Zhou
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Jing Guo
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Xiang-Shun Cui
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
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16
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Chang T, Zhao J, Li Q, Meng A, Xia Q, Li Y, Xiang W, Yao Z. Nuclear-cytoplasmic asynchrony in oocyte maturation caused by TUBB8 variants via impairing microtubule function: a novel pathogenic mechanism. Reprod Biol Endocrinol 2023; 21:109. [PMID: 37993944 PMCID: PMC10664611 DOI: 10.1186/s12958-023-01161-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 11/11/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND TUBB8, a crucial gene encoding microtubule protein, plays a pivotal role in cellular processes. Deleterious TUBB8 variants have been shown to significantly hinder oocyte maturation. In this study, we conducted an in vitro investigation using TUBB8 mutant mouse oocytes to elucidate the pathogenic mechanisms of TUBB8 variants in oocyte nuclear and cytoplasmic maturation. METHODS A mutant model was successfully established in mouse oocytes via microinjection to further investigate the effects of four novel discovered TUBB8 mutations on the nuclear and cytoplasmic maturation of mouse oocytes. Immunofluorescence and confocal microscopy were performed to observe the cortical polarity and spindle and of mutant oocytes. Active mitochondrial staining was performed to analyze mitochondrial distribution patterns. Endoplasmic reticulum and Ca2+ staining were conducted to assess ER distribution and cytoplasmic calcium ion concentration in oocytes. RESULTS In mouse oocytes, TUBB8 variants (p.A313V, p.C239W, p.R251Q, and p.G96R) resulted in a reduction of the first polar body extrusion rate, disruption of spindle assembly, and abnormal chromosome distribution. Additionally, these variants induced oocyte organelle abnormalities, including anomalies in mitochondrial redistribution and endoplasmic reticulum stress compared to the wild-type. CONCLUSION Deleterious TUBB8 variants could disrupt microtubule function, affecting critical processes such as spindle assembly, chromosome distribution, and organelle rearrangement during oocyte meiosis. These disruptions culminate in compromised nuclear-cytoplasmic maturation, consequently giving rise to oocyte maturation defects.
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Affiliation(s)
- Tianli Chang
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Jing Zhao
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Qi Li
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Anning Meng
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Qiuping Xia
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Yanping Li
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Wenpei Xiang
- Institute of Reproductive Health, Center of Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Hongshan, China
| | - Zhongyuan Yao
- Reproductive Medicine Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China.
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17
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Jiang WJ, Lee SH, Heo G, Chung HJ, Cho ES, Sa SJ, Hochi S, Cui XS. Knockdown of Y-box binding protein 1 induces autophagy in early porcine embryos. Front Cell Dev Biol 2023; 11:1238546. [PMID: 37965572 PMCID: PMC10642524 DOI: 10.3389/fcell.2023.1238546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/16/2023] [Indexed: 11/16/2023] Open
Abstract
Y-box binding protein 1 (YBX1) plays important roles in RNA stabilization, translation, transcriptional regulation, and mitophagy. However, its effects on porcine preimplantation embryos remain unclear. In this study, we knocked down YBX1 in the one-cell (1C) stage embryo via small interfering RNA microinjection to determine its function in porcine embryo development. The mRNA level of YBX1 was found to be highly expressed at the four-cell (4C) stage in porcine embryos compared with one-cell (1C) and two-cell (2C) stages. The number of blastocysts was reduced following YBX1 knockdown. Notably, YBX1 knockdown decreased the phosphatase and tensin homolog-induced kinase 1 (PINK1) and parkin RBR E3 ubiquitin protein ligase (PRKN) mRNA levels. YBX1 knockdown also decreased PINK1, active mitochondria, and sirtuin 1 levels, indicating reduced mitophagy and mitochondrial biogenesis. Furthermore, YBX1 knockdown increased the levels of glucose-regulated protein 78 (GRP78) and calnexin, leading to endoplasmic reticulum (ER) stress. Additionally, YBX1 knockdown increased autophagy and apoptosis. In conclusion, knockdown of YBX1 decreases mitochondrial function, while increasing ER stress and autophagy during embryonic development.
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Affiliation(s)
- Wen-Jie Jiang
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Song-Hee Lee
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Geun Heo
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
| | - Hak Jae Chung
- Swine Science Division, National Institute of Animal Science, Cheonan-si, Republic of Korea
| | - Eun Seok Cho
- Swine Science Division, National Institute of Animal Science, Cheonan-si, Republic of Korea
| | - Soo Jin Sa
- Planning and Coordination Division, National Institute of Animal Science, Iseo-myeon, Republic of Korea
| | - Shinichi Hochi
- Faculty of Textile Science and Technology, Shinshu University, Ueda, Japan
| | - Xiang-Shun Cui
- Department of Animal Science, Chungbuk National University, Cheongju, Republic of Korea
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18
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Sun J, Li J, Wang Y, Qu J, Bi F, Xiang H, Zhao X, Sun M, Huan Y. Astaxanthin protects oocyte maturation against cypermethrin-induced defects in pigs. Theriogenology 2023; 209:31-39. [PMID: 37354758 DOI: 10.1016/j.theriogenology.2023.06.022] [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: 04/02/2023] [Revised: 05/11/2023] [Accepted: 06/14/2023] [Indexed: 06/26/2023]
Abstract
Cypermethrin (CYP), a pyrethroid insecticide, exerts the detrimental effect on the reproductive system, while astaxanthin (AST), a xanthophyll carotenoid, possesses the powerful antioxidant property and can protect oocyte maturation. However, the toxicity of CYP and the protective role of AST against CYP during oocyte maturation remain unclear. Here, porcine oocytes were applied to investigate the potential effects and underlying mechanisms of CYP and AST during oocyte maturation. This work demonstrated that CYP significantly decreased oocyte maturation rate and subsequent embryo development in a dose-dependent manner (P < 0.05). And, CYP obviously induced the overproduction of reactive oxygen species and the reduction of glutathione content by downregulating the expression of redox genes in oocytes (P < 0.05). Moreover, CYP significantly caused oocyte DNA damage and disturbed the function of endoplasmic reticulum by altering the transcription of DNA damage repair and endoplasmic reticulum stress related genes (P < 0.05). Whereas CYP-exposed oocytes were treated with AST, these defects caused by CYP were significantly ameliorated (P < 0.05). In conclusion, this study demonstrated that CYP exerted the toxic effect on porcine oocytes, while AST effectively alleviated CYP-induced defects. This work provides a potential strategy to prevent pesticide toxicity and protect oocyte maturation in mammalian reproduction.
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Affiliation(s)
- Jianqiang Sun
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Jian Li
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Yaodi Wang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Jiadan Qu
- Chongqing Key Laboratory of Human Embryo Engineering, Chongqing Health Center for Women and Children, Chongqing, 400013, China
| | - Fanglong Bi
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Hongxiao Xiang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Xintao Zhao
- College of agriculture and Forestry Science and Technology, Weifang Vocational College, Shandong Province, 266109, China
| | - Mingju Sun
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Yanjun Huan
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China.
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19
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Sun MH, Jiang WJ, Li XH, Lee SH, Heo G, Zhou D, Chen Z, Cui XS. ATF6 aggravates apoptosis in early porcine embryonic development by regulating organelle homeostasis under high-temperature conditions. Zool Res 2023; 44:848-859. [PMID: 37501400 PMCID: PMC10559089 DOI: 10.24272/j.issn.2095-8137.2023.080] [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: 05/04/2023] [Accepted: 07/19/2023] [Indexed: 07/29/2023] Open
Abstract
Activating transcription factor 6 (ATF6), one of the three sensor proteins in the endoplasmic reticulum (ER), is an important regulator of ER stress-induced apoptosis. ATF6 resides in the ER and, upon activation, is translocated to the Golgi apparatus, where it is cleaved by site-1 protease (S1P) to generate an amino-terminal cytoplasmic fragment. Although recent studies have made progress in elucidating the regulatory mechanisms of ATF6, its function during early porcine embryonic development under high-temperature (HT) stress remains unclear. In this study, zygotes were divided into four groups: control, HT, HT+ATF6 knockdown, and HT+PF (S1P inhibitor). Results showed that HT exposure induced ER stress, which increased ATF6 protein expression and led to a decrease in the blastocyst rate. Next, ATF6 expression was knocked down in HT embryos under microinjection of ATF6 double-stranded RNA (dsRNA). Results revealed that ATF6 knockdown (ATF6-KD) attenuated the increased expression of CHOP, an ER stress marker, and Ca 2+ release induced by HT. In addition, ATF6-KD alleviated homeostasis dysregulation among organelles caused by HT-induced ER stress, and further reduced Golgi apparatus and mitochondrial dysfunction in HT embryos. AIFM2 is an important downstream effector of ATF6. Results showed that ATF6-KD reduced the occurrence of AIFM2-mediated embryonic apoptosis at HT. Taken together, our findings suggest that ATF6 is a crucial mediator of apoptosis during early porcine embryonic development, resulting from HT-induced ER stress and disruption of organelle homeostasis.
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Affiliation(s)
- Ming-Hong Sun
- Department of Animal Science, Chungbuk National University, Cheongju, South Korea 28644, Korea
| | - Wen-Jie Jiang
- Department of Animal Science, Chungbuk National University, Cheongju, South Korea 28644, Korea
| | - Xiao-Han Li
- Department of Animal Science, Chungbuk National University, Cheongju, South Korea 28644, Korea
| | - Song-Hee Lee
- Department of Animal Science, Chungbuk National University, Cheongju, South Korea 28644, Korea
| | - Geun Heo
- Department of Animal Science, Chungbuk National University, Cheongju, South Korea 28644, Korea
| | - Dongjie Zhou
- Department of Animal Science, Chungbuk National University, Cheongju, South Korea 28644, Korea
| | - Zhi Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Xiang-Shun Cui
- Department of Animal Science, Chungbuk National University, Cheongju, South Korea 28644, Korea. E-mail:
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Pioltine EM, Costa CB, Franchi FF, dos Santos PH, Nogueira MFG. Tauroursodeoxycholic Acid Supplementation in In Vitro Culture of Indicine Bovine Embryos: Molecular and Cellular Effects on the In Vitro Cryotolerance. Int J Mol Sci 2023; 24:14060. [PMID: 37762363 PMCID: PMC10531190 DOI: 10.3390/ijms241814060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/30/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
During embryo development, the endoplasmic reticulum (ER) acts as an important site for protein biosynthesis; however, in vitro culture (IVC) can negatively affect ER homeostasis. Therefore, the aim of our study was to evaluate the effects of the supplementation of tauroursodeoxycholic acid (TUDCA), an ER stress inhibitor, in the IVC of bovine embryos. Two experiments were carried out: Exp. 1: an evaluation of blastocyst rate, hatching kinetics, and gene expression of hatched embryos after being treated with different concentrations of TUDCA (50, 200, or 1000 μM) in the IVC; Exp. 2: an evaluation of the re-expansion, hatching, and gene expression of hatched embryos previously treated with 200 µM of TUDCA at IVC and submitted to vitrification. There was no increase in the blastocyst and hatched blastocyst rates treated with TUDCA in the IVC. However, embryos submitted to vitrification after treatment with 200 µM of TUDCA underwent an increased hatching rate post-warming together with a down-regulation in the expression of ER stress-related genes and the accumulation of lipids. In conclusion, this work showed that the addition of TUDCA during in vitro culture can improve the cryotolerance of the bovine blastocyst through the putative modulation of ER and oxidative stress.
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Affiliation(s)
- Elisa Mariano Pioltine
- Multi-User Laboratory of Phytomedicines Pharmacology, and Biotechnology (PhitoPharmaTec), Department of Pharmacology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-000, Brazil
| | - Camila Bortoliero Costa
- Multi-User Laboratory of Phytomedicines Pharmacology, and Biotechnology (PhitoPharmaTec), Department of Pharmacology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-000, Brazil
- Laboratory of Embryonic Micromanipulation, Department of Biological Sciences, School of Sciences and Languages, São Paulo State University (UNESP), Assis 19806-900, Brazil
| | - Fernanda Fagali Franchi
- Multi-User Laboratory of Phytomedicines Pharmacology, and Biotechnology (PhitoPharmaTec), Department of Pharmacology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-000, Brazil
| | - Priscila Helena dos Santos
- Multi-User Laboratory of Phytomedicines Pharmacology, and Biotechnology (PhitoPharmaTec), Department of Pharmacology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-000, Brazil
| | - Marcelo Fábio Gouveia Nogueira
- Multi-User Laboratory of Phytomedicines Pharmacology, and Biotechnology (PhitoPharmaTec), Department of Pharmacology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-000, Brazil
- Laboratory of Embryonic Micromanipulation, Department of Biological Sciences, School of Sciences and Languages, São Paulo State University (UNESP), Assis 19806-900, Brazil
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21
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Li Z, Liu X, Zhang K, Zhao H, Luo P, Li D, Liu Z, Yuan H, Zhang B, Xie X, Shen C. Role and Mechanism of Endoplasmic Reticulum Stress in Mice Pancreatic Islet Dysfunction After Severe Burns. J Burn Care Res 2023; 44:1231-1240. [PMID: 36869805 DOI: 10.1093/jbcr/irad029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Indexed: 03/05/2023]
Abstract
This study attempted to investigate the role and mechanism of endoplasmic reticulum (ER) stress in the islet dysfunction in mice after severe burns. C57BL/6 mice were randomly divided into the sham group, burn group, and burn+4-phenylbutyric acid (4-PBA) group. Mice were burned with full thickness of 30% total surface area (TBSA), and 4-PBA solution was intraperitoneally injected into mice in burn+4-PBA group. Glucose-stimulated insulin secretion (GSIS), Fasting blood glucose (FBG) and glucose tolerance were detected 24 hours post severe burns. The ER stress-related pathway markers immunoglobulin binding protein (BIP), X-box binding protein 1 (XBP1), phosphorylation-PKR-like ER kinase (p-PERK), phosphorylation-eukaryotic translation initiation factor 2α (p-eIF2α), CHOP, activating transcription factor 6 (ATF6), apoptosis-related protein Cleaved-Caspase 3, and islet cell apoptosis were measured. Mice were characterized with elevated FBG, decreased glucose tolerance and GSIS levels post severe burns. The expression of BIP, XBP1, p-PERK, p-eIF2α, CHOP, ATF6, Cleaved-Caspase 3, and islet cell apoptosis were increased significantly after severe burns. 4-PBA treatment contributed to decreased FBG, improved glucose tolerance, increased GSIS, inhibited islet ER stress, and reduced pancreatic islet cell apoptosis in mice post severe burns. ER stress occurs in islets of severely burned mice, which leads to increased apoptosis of islet cells, thus resulting in islet dysfunction.
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Affiliation(s)
- Zhisheng Li
- Jinzhou Medical University, Jinzhou, China
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xinzhu Liu
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Kun Zhang
- Jinzhou Medical University, Jinzhou, China
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Hongqing Zhao
- Jinzhou Medical University, Jinzhou, China
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Peng Luo
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Dawei Li
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Zhaoxing Liu
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Huageng Yuan
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Bohan Zhang
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xiaoye Xie
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Chuan'an Shen
- Department of Burns and Plastic Surgery, the Fourth Medical Center, Chinese PLA General Hospital, Beijing, China
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22
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McClam M, Liu J, Fan Y, Zhan T, Zhang Q, Porter DE, Scott GI, Xiao S. Associations between exposure to cadmium, lead, mercury and mixtures and women's infertility and long-term amenorrhea. Arch Public Health 2023; 81:161. [PMID: 37626359 PMCID: PMC10463686 DOI: 10.1186/s13690-023-01172-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND Cadmium (Cd), lead (Pb), and mercury (Hg) have been shown to exhibit endocrine disrupting properties. Their effects on women's reproductive health, however, remain elusive. Here, we investigated associations between blood concentrations of Pb, Cd, Hg, and their mixture and infertility and long-term amenorrhea in women aged 20-49 years using the US National Health and Nutrition Examination Survey (NHANES) 2013-2018 cross-sectional survey. METHODS A total of 1,990 women were included for the analysis of infertility and 1,919 women for long-term amenorrhea. The methods of log-transformation and use of quartiles were used to analyze blood heavy metal concentrations. Statistical differences in the covariates between the outcome groups were evaluated using a chi-squared test for categorical variables and a t-test for continuous variables. Multiple logistic regression models were used to examine the associations. RESULTS The blood concentrations of Pb and heavy metal mixtures were significantly higher in ever-infertile women than pregnant women, but the concentrations of Cd and Hg were comparable. After full adjustment, multiple logistic regression analyses revealed a significant and dose-dependent positive association between blood Pb concentrations and women's historical infertility, a negative association between Cd and women's long-term amenorrhea, and no associations between Hg and heavy metal mixture and women's infertility or long-term amenorrhea. CONCLUSIONS Our study suggests that exposure to heavy metals exhibit differential associations with history of infertility and amenorrhea, and Pb may adversely impact women's reproduction and heighten the risks of infertility and long-term amenorrhea.
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Affiliation(s)
- Maria McClam
- Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA
| | - Jihong Liu
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA
| | - Yihan Fan
- Master of Public Health in Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, 30322, USA
| | - Tingjie Zhan
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, 170 Frelinghuysen Rd, Rm 406, Piscataway, NJ, 08854, USA
- Environmental and Occupational Health Sciences Institute (EOHSI), Rutgers University, Piscataway, NJ, 08854, USA
- Center for Environmental Exposures and Disease, Rutgers University, Piscataway, NJ, 08854, USA
| | - Qiang Zhang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, 30322, USA
| | - Dwayne E Porter
- Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA
| | - Geoffrey I Scott
- Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA
| | - Shuo Xiao
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, 170 Frelinghuysen Rd, Rm 406, Piscataway, NJ, 08854, USA.
- Environmental and Occupational Health Sciences Institute (EOHSI), Rutgers University, Piscataway, NJ, 08854, USA.
- Center for Environmental Exposures and Disease, Rutgers University, Piscataway, NJ, 08854, USA.
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23
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Xing X, Peng J, Zhao J, Shi R, Wang C, Zhang Z, Wang Z, Li Z, Wu Z. Luteolin regulates the distribution and function of organelles by controlling SIRT1 activity during postovulatory oocyte aging. Front Nutr 2023; 10:1192758. [PMID: 37583461 PMCID: PMC10424794 DOI: 10.3389/fnut.2023.1192758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 07/04/2023] [Indexed: 08/17/2023] Open
Abstract
The quality of oocytes determines their development competence, which will be rapidly lost if the oocytes are not fertilized at the proper time after ovulation. SIRT1, one of the sirtuin family members, has been proven to protect the quality of oocytes during postovulatory oocyte aging. However, evidence of the effect of SIRT1 on the activity of organelles including the mitochondria, the endoplasmic reticulum (ER), the Golgi apparatus, and the lysosomes in postovulatory aging oocyte is lacking. In this study, we investigated the distribution and function of organelles in postovulatory aged oocytes and discovered abnormalities. Luteolin, which is a natural flavonoid contained in vegetables and fruits, is an activator of SIRT1. When the oocytes were treated with luteolin, the abnormal distribution of mitochondria, ER, and Golgi complex were restored during postovulatory oocyte aging. The ER stress protein GRP78 and the lysosome protein LAMP1 increased, while the mitochondrial membrane potential and the Golgi complex protein GOLPH3 decreased in aged oocytes, and these were restored by luteolin treatment. EX-527, an inhibitor of SIRT1, disrupted the luteolin-mediated normal distribution and function of mitochondria, ER, Golgi apparatus, and lysosomes. In conclusion, we demonstrate that luteolin regulates the distribution and function of mitochondria, ER, Golgi apparatus, and lysosomes during postovulatory oocyte aging by activating SIRT1.
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Affiliation(s)
- Xupeng Xing
- National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, China
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Jingfeng Peng
- National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, China
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Jingyu Zhao
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Ruoxi Shi
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Caiqin Wang
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Zihan Zhang
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Zihan Wang
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Zicong Li
- National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, China
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Zhenfang Wu
- National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, China
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou, China
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24
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Marsico TV, Silva MV, Valente RS, Annes K, Rissi VB, Glanzner WG, Sudano MJ. Unraveling the Consequences of Oxygen Imbalance on Early Embryo Development: Exploring Mitigation Strategies. Animals (Basel) 2023; 13:2171. [PMID: 37443969 DOI: 10.3390/ani13132171] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/24/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Although well-established and adopted by commercial laboratories, the in vitro embryo production system still requires refinements to achieve its highest efficiency. Early embryonic development is a dynamic event, demanding suitable conditions to provide a high number of embryos with quality and competence. The first step to obtaining an optimized in vitro environment is to know the embryonic metabolism and energy request throughout the different stages of development. Oxygen plays a crucial role in several key biological processes necessary to sustain and complete embryonic development. Nonetheless, there is still controversy regarding the optimal in vitro atmospheric concentrations during culture. Herein, we discuss the impact of oxygen tension on the viability of in vitro-produced embryos during early development. The importance of oxygen tension is addressed as its roles regarding essential embryonic traits, including embryo production rates, embryonic cell viability, gene expression profile, epigenetic regulation, and post-cryopreservation survival. Finally, we highlight the damage caused by in vitro unbalanced oxygen tensions and strategies to mitigate the harmful effects.
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Affiliation(s)
- Thamiris Vieira Marsico
- Center for Natural and Human Sciences, Federal University of ABC, Santo André 09210-580, SP, Brazil
| | - Mara Viana Silva
- Center for Natural and Human Sciences, Federal University of ABC, Santo André 09210-580, SP, Brazil
| | - Roniele Santana Valente
- Center for Natural and Human Sciences, Federal University of ABC, Santo André 09210-580, SP, Brazil
| | - Kelly Annes
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos 13565-905, SP, Brazil
| | - Vitor Braga Rissi
- Faculty of Veterinary Medicine, Federal University of Santa Catarina, UFSC, Curitibanos 89520-000, SC, Brazil
| | - Werner Giehl Glanzner
- Department of Animal Science, McGill University, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada
| | - Mateus José Sudano
- Center for Natural and Human Sciences, Federal University of ABC, Santo André 09210-580, SP, Brazil
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos 13565-905, SP, Brazil
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25
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Kang X, Wang J, Yan L. Endoplasmic reticulum in oocytes: spatiotemporal distribution and function. J Assist Reprod Genet 2023; 40:1255-1263. [PMID: 37171741 PMCID: PMC10543741 DOI: 10.1007/s10815-023-02782-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 03/17/2023] [Indexed: 05/13/2023] Open
Abstract
ENDOPLASMIC RETICULUM IN OOCYTES The storage and release of calcium ions (Ca2 +) in oocyte maturation and fertilization are particularly noteworthy features of the endoplasmic reticulum (ER). The ER is the largest organelle in the cell composed of rough ER, smooth ER, and nuclear envelope, and is the main site of protein synthesis, transport and folding, and lipid and steroid synthesis. An appropriate calcium signaling response can initiate oocyte development and embryogenesis, and the ER is the central link that initiates calcium signaling. The transition from immature oocytes to zygotes also requires many coordinated organelle reorganizations and changes. Therefore, the purpose of this review is to generalize information on the function, structure, interaction with other organelles, and spatiotemporal localization of the ER in mammalian oocytes. Mechanisms related to maintaining ER homeostasis have been extensively studied in recent years. Resolving ER stress through the unfolded protein response (UPR) is one of them. We combined the clinical problems caused by the ER in in vitro maturation (IVM), and the mechanisms of ER have been identified by single-cell RNA-seq. This article systematically reviews the functions of ER and provides a reference for assisted reproductive technology (ART) research.
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Affiliation(s)
- Xin Kang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing, 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
- Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Chinese Academy of Medical Sciences, Beijing, 100191, China
| | - Jing Wang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing, 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
- Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Chinese Academy of Medical Sciences, Beijing, 100191, China
| | - Liying Yan
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, China.
- National Clinical Research Center for Obstetrics and Gynecology, Beijing, 100191, China.
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26
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Menjivar NG, Gad A, Gebremedhn S, Ghosh S, Tesfaye D. Granulosa cell-derived extracellular vesicles mitigate the detrimental impact of thermal stress on bovine oocytes and embryos. Front Cell Dev Biol 2023; 11:1142629. [PMID: 37091982 PMCID: PMC10116072 DOI: 10.3389/fcell.2023.1142629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 03/09/2023] [Indexed: 04/08/2023] Open
Abstract
Climate change-induced global warming results in rises in body temperatures above normal physiological levels (hyperthermia) with negative impacts on reproductive function in dairy and beef animals. Extracellular vesicles (EVs), commonly described as nano-sized, lipid-enclosed complexes, harnessed with a plethora of bioactive cargoes (RNAs, proteins, and lipids), are crucial to regulating processes like folliculogenesis and the initiation of different signaling pathways. The beneficial role of follicular fluid-derived EVs in inducing thermotolerance to oocytes during in vitro maturation (IVM) has been evidenced. Here we aimed to determine the capacity of in vitro cultured granulosa cell-derived EVs (GC-EVs) to modulate bovine oocytes’ thermotolerance to heat stress (HS) during IVM. Moreover, this study tested the hypothesis that EVs released from thermally stressed GCs (S-EVs) shuttle protective messages to provide protection against subsequent HS in bovine oocytes. For this, sub-populations of GC-EVs were generated from GCs subjected to 38.5°C (N-EVs) or 42°C (S-EVs) and supplemented to cumulus-oocyte complexes (COCs) matured in vitro at the normal physiological body temperature of the cow (38.5°C) or HS (41°C) conditions. Results indicate that S-EVs improve the survival of oocytes by reducing ROS accumulation, improving mitochondrial function, and suppressing the expression of stress-associated genes thereby reducing the severity of HS on oocytes. Moreover, our findings indicate a carryover impact from the addition of GC-EVs during oocyte maturation in the development to the blastocyst stage with enhanced viability.
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Affiliation(s)
- Nico G. Menjivar
- Animal Reproduction and Biotechnology Laboratory (ARBL), Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Ahmed Gad
- Animal Reproduction and Biotechnology Laboratory (ARBL), Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Samuel Gebremedhn
- Animal Reproduction and Biotechnology Laboratory (ARBL), Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Genus Plc, Deforest, WI, United States
| | - Soham Ghosh
- Cellular Engineering and Mechanobiology Laboratory (CEML), Department of Mechanical Engineering, Translational Medicine Institute (TMI), Colorado State University, Fort Collins, CO, United States
| | - Dawit Tesfaye
- Animal Reproduction and Biotechnology Laboratory (ARBL), Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- *Correspondence: Dawit Tesfaye,
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27
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Vx-809, a CFTR Corrector, Acts through a General Mechanism of Protein Folding and on the Inflammatory Process. Int J Mol Sci 2023; 24:ijms24044252. [PMID: 36835664 PMCID: PMC9965627 DOI: 10.3390/ijms24044252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/08/2023] [Accepted: 02/17/2023] [Indexed: 02/25/2023] Open
Abstract
Correct protein folding is the basis of cellular well-being; thus, accumulation of misfolded proteins within the endoplasmic reticulum (ER) leads to an imbalance of homeostasis that causes stress to the ER. Various studies have shown that protein misfolding is a significant factor in the etiology of many human diseases, including cancer, diabetes, and cystic fibrosis. Misfolded protein accumulation in the ER triggers a sophisticated signal transduction pathway, the unfolded protein response (UPR), which is controlled by three proteins, resident in ER: IRE1α, PERK, and ATF6. Briefly, when ER stress is irreversible, IRE1α induces the activation of pro-inflammatory proteins; PERK phosphorylates eIF2α which induces ATF4 transcription, while ATF6 activates genes encoding ER chaperones. Reticular stress causes an alteration of the calcium homeostasis, which is released from the ER and taken up by the mitochondria, leading to an increase in the oxygen radical species production, and consequently, to oxidative stress. Accumulation of intracellular calcium, in combination with lethal ROS levels, has been associated with an increase of pro-inflammatory protein expression and the initiation of the inflammatory process. Lumacaftor (Vx-809) is a common corrector used in cystic fibrosis treatment which enhances the folding of mutated F508del-CFTR, one of the most prevalent impaired proteins underlying the disease, promoting a higher localization of the mutant protein on the cell membrane. Here, we demonstrate that this drug reduces the ER stress and, consequently, the inflammation that is caused by such events. Thus, this molecule is a promising drug to treat several pathologies that present an etiopathogenesis due to the accumulation of protein aggregates that lead to chronic reticular stress.
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28
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Mishra S, Pandey N, Chawla S, Sharma M, Chandra O, Jha IP, SenGupta D, Natarajan KN, Kumar V. Matching queried single-cell open-chromatin profiles to large pools of single-cell transcriptomes and epigenomes for reference supported analysis. Genome Res 2023; 33:218-231. [PMID: 36653120 PMCID: PMC10069468 DOI: 10.1101/gr.277015.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 01/09/2023] [Indexed: 01/19/2023]
Abstract
The true benefits of large single-cell transcriptome and epigenome data sets can be realized only with the development of new approaches and search tools for annotating individual cells. Matching a single-cell epigenome profile to a large pool of reference cells remains a major challenge. Here, we present scEpiSearch, which enables searching, comparison, and independent classification of single-cell open-chromatin profiles against a large reference of single-cell expression and open-chromatin data sets. Across performance benchmarks, scEpiSearch outperformed multiple methods in accuracy of search and low-dimensional coembedding of single-cell profiles, irrespective of platforms and species. Here we also demonstrate the unconventional utilities of scEpiSearch by applying it on single-cell epigenome profiles of K562 cells and samples from patients with acute leukaemia to reveal different aspects of their heterogeneity, multipotent behavior, and dedifferentiated states. Applying scEpiSearch on our single-cell open-chromatin profiles from embryonic stem cells (ESCs), we identified ESC subpopulations with more activity and poising for endoplasmic reticulum stress and unfolded protein response. Thus, scEpiSearch solves the nontrivial problem of amalgamating information from a large pool of single cells to identify and study the regulatory states of cells using their single-cell epigenomes.
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Affiliation(s)
- Shreya Mishra
- Department for Computational Biology, IIIT Delhi 110020, India
| | - Neetesh Pandey
- Department for Computational Biology, IIIT Delhi 110020, India
| | - Smriti Chawla
- Department for Computational Biology, IIIT Delhi 110020, India
| | - Madhu Sharma
- Department for Computational Biology, IIIT Delhi 110020, India
| | - Omkar Chandra
- Department for Computational Biology, IIIT Delhi 110020, India
| | | | - Debarka SenGupta
- Department for Computational Biology, IIIT Delhi 110020, India.,Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane 4001, Australia
| | - Kedar Nath Natarajan
- DTU Bioengineering, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Vibhor Kumar
- Department for Computational Biology, IIIT Delhi 110020, India;
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29
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Li H, Jing Y, Qu X, Yang J, Pan P, Liu X, Gao H, Pei X, Zhang C, Yang Y. The Activation of Reticulophagy by ER Stress through the ATF4-MAP1LC3A-CCPG1 Pathway in Ovarian Granulosa Cells Is Linked to Apoptosis and Necroptosis. Int J Mol Sci 2023; 24:ijms24032749. [PMID: 36769070 PMCID: PMC9917250 DOI: 10.3390/ijms24032749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/16/2023] [Accepted: 01/26/2023] [Indexed: 02/04/2023] Open
Abstract
Female infertility is caused by premature ovarian failure (POF), which is triggered by the endoplasmic reticulum (ER) stress-mediated apoptosis of granulosa cells. The ER unfolded protein response (UPRer) is initiated to promote cell survival by alleviating excessive ER stress, but cellular apoptosis is induced by persistent or strong ER stress. Recent studies have reported that reticulophagy is initiated by ER stress. Whether reticulophagy is activated in the ER stress-mediated apoptosis of granulosa cells and which pathway is initiated to activate reticulophagy during the apoptosis of granulosa cells are unknown. Therefore, the role of reticulophagy in granulosa cell death and the relationship between ER stress and reticulophagy were investigated in this work. Our results suggest that the ER stress inducer tunicamycin causes POF in mice, which is attributed to the apoptosis of granulosa cells and is accompanied by the activation of UPRer and reticulophagy. Furthermore, granulosa cells were treated with tunicamycin, and granulosa cell apoptosis was triggered and increased the expression of UPRer and reticulophagy molecules. The expression of ATF4 was then downregulated by RNAi, which decreased the levels of autophagy and the reticulophagy receptor CCGP1. Furthermore, ATF4 targets MAP1LC3A, as revealed by the ChIP sequencing results, and co-IP results demonstrated that MAP1LC3A interacts with CCPG1. Therefore, reticulophagy was activated by ER stress through the ATF4-MAP1LC3A-CCPG1 pathway to mitigate ER stress. Additionally, the role of reticulophagy in granulosa cells was investigated by the knockdown of CCPG1 with RNAi. Interestingly, only a small number of granulosa cells died by apoptosis, whereas the death of most granulosa cells occurred by necroptosis triggered by STAT1 and STAT3 to impair ER proteostasis and the ER protein quality control system UPRer. Taken together, the results indicate that the necroptosis of granulosa cells is triggered by up- and downregulating the reticulophagy receptor CCPG1 through STAT1/STAT3-(p)RIPK1-(p)RIPK3-(p)MLKL and that reticulophagy is activated by ER stress through the ATF4-MAP1LC3A-CCPG1 pathway.
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Affiliation(s)
- Huiduo Li
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
| | - Yanan Jing
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaoya Qu
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
| | - Jinyi Yang
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
| | - Pengge Pan
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
| | - Xinrui Liu
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
| | - Hui Gao
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
| | - Xiuying Pei
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
| | - Cheng Zhang
- College of Life Science, Capital Normal University, Beijing 100048, China
- Correspondence: or (C.Z.); or (Y.Y.); Tel.: +86-951-6980172 (Y.Y.)
| | - Yanzhou Yang
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Key Laboratory of Reproduction and Genetics in Ningxia, Department of Histology and Embryology of Basic Medical College, Ningxia Medical University, Yinchuan 750004, China
- Correspondence: or (C.Z.); or (Y.Y.); Tel.: +86-951-6980172 (Y.Y.)
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Azizi M, Salehi-Mazandarani S, Nikpour P, Andalib A, Rezaei M. The role of unfolded protein response-associated miRNAs in immunogenic cell death amplification: A literature review and bioinformatics analysis. Life Sci 2023; 314:121341. [PMID: 36586572 DOI: 10.1016/j.lfs.2022.121341] [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: 09/02/2022] [Revised: 12/19/2022] [Accepted: 12/26/2022] [Indexed: 12/30/2022]
Abstract
Immunogenic cell death (ICD) is a type of cellular death that is elicited in response to the specific types of anti-cancer therapies and enhances the anti-tumor immune responses by the combination of antigenicity and adjuvanticity of dying tumor cells. There is a well-established interlink between endoplasmic reticulum stress (ERS) and ICD elicited by anti-cancer therapies. Most recent evidences support that unfolded protein response (UPR)-associated miRNAs can be key players in the ERS-induced ICD. Hence, in the present study, we conducted a literature review on the role of these miRNAs and associated molecular pathways that may regulate ICD. We first collected UPR-associated miRNAs that promote ERS-induced apoptosis and then focused on microRNAs (miRNAs) that promote ERS-induced apoptosis via PERK/eIF2α/ATF4/CHOP pathway activation, as the main core for ICD and release of damage-associated molecular patterns. To better identify PERK/eIF2α/ATF4/CHOP pathway-inducing miRNAs that can be used as potential therapeutic targets for improving ICD in cancer treatment, we did a comprehensive bioinformatics analysis and network construction. Our results showed that "pathways in cancer", "MAPK signaling pathway", "PI3K-Akt signaling pathway", and "Cellular senescence", which correlate with UPR components and ERS induction, were among the significant signaling pathways related to the target genes of these miRNAs. Furthermore, a protein-protein interaction (PPI) network was constructed, which revealed the involvement of the PPI-extracted hub genes in the regulation of proliferation and apoptosis. In conclusion, we propose that these types of miRNAs can be considered as the potential cancer therapy options for better induction of ICD in combination with other ICD inducers.
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Affiliation(s)
- Mahdieh Azizi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sadra Salehi-Mazandarani
- Department of Genetics and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parvaneh Nikpour
- Department of Genetics and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Andalib
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Marzieh Rezaei
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
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31
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Dionne G, Calder M, Betts DH, Rafea BA, Watson AJ. Expression and localization of NRF2/Keap1 signalling pathway genes in mouse preimplantation embryos exposed to free fatty acids. Gene Expr Patterns 2022; 46:119281. [PMID: 36243294 DOI: 10.1016/j.gep.2022.119281] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 09/06/2022] [Accepted: 10/07/2022] [Indexed: 11/04/2022]
Abstract
Obese women experience greater incidence of infertility, with reproductive tracts exposing preimplantation embryos to elevated free fatty acids (FFA) such as palmitic acid (PA) and oleic acid (OA). PA treatment impairs mouse preimplantation development in vitro, while OA co-treatment rescues blastocyst development of PA treated embryos. In the present study, we investigated the effects of PA and OA treatment on NRF2/Keap1 localization, and relative antioxidant enzyme (Glutathione peroxidase; Gpx1, Catalase; Cat, Superoxide dismutase; Sod1 and γ-Glutamylcysteine ligase catalytic unit; Gclc) mRNA levels, during in vitro mouse preimplantation embryo development. Female mice were superovulated, mated, and embryos cultured in the presence of bovine Serum albumin (BSA) control or PA, or OA, alone (each at 100 μM) or PA + OA combined (each at 100 μM) treatment. NRF2 displayed nuclear localization at all developmental stages, whereas Keap1 primarily displayed cytoplasmic localization throughout control mouse preimplantation development in vitro. Relative transcript levels of Nrf2, Keap1, and downstream antioxidants significantly increased throughout control mouse preimplantation development in vitro. PA treatment significantly decreased blastocyst development and the levels of nuclear NRF2, while OA and PA + OA treatments did not. PA and OA treatments did not impact relative mRNA levels of Nrf2, Keap1, Gpx1, Cat, Sod1 or Gclc. Our outcomes demonstrate that cultured mouse embryos display nuclear NRF2, but that PA treatment reduces nuclear NRF2 and thus likely impacts NRF2/KEAP1 stress response mechanisms. Further studies should investigate whether free fatty acid effects on NRF2/KEAP1 contribute to the reduced fertility displayed by obese patients.
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Affiliation(s)
- Grace Dionne
- Department of Obstetrics and Gynaecology, Canada; Department of Physiology and Pharmacology, University of Western Ontario, London ON, N6A 5C1, Canada; The Children's Health Research Institute - Lawson Health Research Institute, London ON, N6C 2R5, Canada
| | - Michele Calder
- Department of Obstetrics and Gynaecology, Canada; Department of Physiology and Pharmacology, University of Western Ontario, London ON, N6A 5C1, Canada; The Children's Health Research Institute - Lawson Health Research Institute, London ON, N6C 2R5, Canada
| | - Dean H Betts
- Department of Obstetrics and Gynaecology, Canada; Department of Physiology and Pharmacology, University of Western Ontario, London ON, N6A 5C1, Canada; The Children's Health Research Institute - Lawson Health Research Institute, London ON, N6C 2R5, Canada
| | - Basim Abu Rafea
- Department of Obstetrics and Gynaecology, Canada; The Children's Health Research Institute - Lawson Health Research Institute, London ON, N6C 2R5, Canada
| | - Andrew J Watson
- Department of Obstetrics and Gynaecology, Canada; Department of Physiology and Pharmacology, University of Western Ontario, London ON, N6A 5C1, Canada; The Children's Health Research Institute - Lawson Health Research Institute, London ON, N6C 2R5, Canada.
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32
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Zheng W, Sun Q, Li L, Cheng Y, Chen Y, Lv M, Xiang X. Role of endoplasmic reticulum stress in hepatic glucose and lipid metabolism and therapeutic strategies for metabolic liver disease. Int Immunopharmacol 2022; 113:109458. [DOI: 10.1016/j.intimp.2022.109458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/22/2022] [Accepted: 11/10/2022] [Indexed: 11/18/2022]
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Xu S, Zhang P, Heing-Becker I, Zhang J, Tang P, Bej R, Bhatia S, Zhong Y, Haag R. Dual tumor- and subcellular-targeted photodynamic therapy using glucose-functionalized MoS 2 nanoflakes for multidrug-resistant tumor ablation. Biomaterials 2022; 290:121844. [PMID: 36302305 DOI: 10.1016/j.biomaterials.2022.121844] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/20/2022] [Accepted: 09/29/2022] [Indexed: 11/19/2022]
Abstract
Photodynamic therapy (PDT) is emerging as an efficient strategy to combat multidrug-resistant (MDR) cancer. However, the short half-life and limited diffusion of reactive oxygen species (ROS) undermine the therapeutic outcomes of this therapy. To address this issue, a tumor-targeting nanoplatform was developed to precisely deliver mitochondria- and endoplasmic reticulum (ER)-targeting PDT agents to desired sites for dual organelle-targeted PDT. The nanoplatform is constructed by functionalizing molybdenum disulfide (MoS2) nanoflakes with glucose-modified hyperbranched polyglycerol (hPG), and then loading the organelle-targeting PDT agents. The resultant nanoplatform Cy7.5-TG@GPM is demonstrated to mediate both greatly enhanced internalization within MDR cells and precise subcellular localization of PDT agents, facilitating in situ near-infrared (NIR)-triggered ROS generation for augmented PDT and reversal of MDR, causing impressive tumor shrinkage in a HeLa multidrug-resistant tumor mouse model. As revealed by mechanistic studies of the synergistic mitochondria- and ER-targeted PDT, ROS-induced ER stress not only activates the cytosine-cytosine-adenosine-adenosine thymidine/enhancer-binding protein homologous protein (CHOP) pro-apoptotic signaling pathway, but also cooperates with ROS-induced mitochondrial dysfunction to trigger cytochrome C release from the mitochondria and induce subsequent cell death. Furthermore, the mitochondrial dysfunction reduces ATP production and thereby contributes to the reversal of MDR. This nanoplatform, with its NIR-responsive properties and ability to target tumors and subcellular organelles, offers a promising strategy for effective MDR cancer therapy.
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Affiliation(s)
- Shaohui Xu
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195, Berlin, Germany
| | - Pan Zhang
- School of Engineering, China Pharmaceutical University, 639 Longmian Avenue, 211198, Nanjing, China
| | - Isabelle Heing-Becker
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195, Berlin, Germany
| | - Junmei Zhang
- School of Engineering, China Pharmaceutical University, 639 Longmian Avenue, 211198, Nanjing, China
| | - Peng Tang
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195, Berlin, Germany
| | - Raju Bej
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195, Berlin, Germany
| | - Sumati Bhatia
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195, Berlin, Germany
| | - Yinan Zhong
- School of Engineering, China Pharmaceutical University, 639 Longmian Avenue, 211198, Nanjing, China.
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195, Berlin, Germany.
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Sun JT, Liu JH, Jiang XQ, Luo X, Yuan JD, Zhang Q, Qi XY, Lee S, Liu ZH, Jin JX. Tannin Reduces the Incidence of Polyspermic Penetration in Porcine Oocytes. Antioxidants (Basel) 2022; 11:antiox11102027. [PMID: 36290750 PMCID: PMC9598560 DOI: 10.3390/antiox11102027] [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] [Received: 08/14/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 12/03/2022] Open
Abstract
Tannin (TA) improves porcine oocyte cytoplasmic maturation and subsequent embryonic development after in vitro fertilization (IVF). However, the mechanism through which TA blocks polyspermy after IVF remains unclear. Hence, the biological function of organelles (cortical granule [CG], Golgi apparatus, endoplasmic reticulum [ER], and mitochondria) and the incidence of polyspermic penetration were examined. We found no significant difference in oocyte nuclear maturation among the 1 µg/mL, 10 µg/mL TA, and control groups. Moreover, 100 μg/mL TA significantly reduced 1st polar body formation rate compared to the other groups. Additionally, 1 and 10 μg/mL TA significantly increased the protein levels of GDF9, BMP15, and CDK1 compared to the control and 100 μg/mL TA groups. Interestingly, 1 and 10 μg/mL TA improved the normal distribution of CGs, Golgi, ER, and mitochondria by upregulating organelle-related gene expression and downregulating ER stress (CHOP) gene expression. Simultaneously, 1 and 10 μg/mL TA significantly increased the proportion of normal fertilized oocytes (2 pronuclei; 2 PN) and blastocyst formation rate compared to the control, as well as that of 100 μg/mL TA after IVF by upregulating polyspermy-related genes. In conclusion, TA during IVM enhances 2PN and blastocyst formation rates by regulating organelles’ functions and activities.
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Affiliation(s)
- Jing-Tao Sun
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Jia-Hui Liu
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xi-Qing Jiang
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xin Luo
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Jin-Dong Yuan
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Qi Zhang
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xin-Yue Qi
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Sanghoon Lee
- Laboratory of Theriogenology, College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Korea
| | - Zhong-Hua Liu
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (Z.-H.L.); (J.-X.J.)
| | - Jun-Xue Jin
- Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (Z.-H.L.); (J.-X.J.)
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Su SC, Chien CY, Chen YC, Chiang CF, Lin FH, Kuo FC, Huang CL, Li PF, Liu JS, Lu CH, Ho LJ, Hsieh CH, Hung YJ, Shieh YS, Lee CH. PDIA4, a novel ER stress chaperone, modulates adiponectin expression and inflammation in adipose tissue. Biofactors 2022; 48:1060-1075. [PMID: 35674710 DOI: 10.1002/biof.1872] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 05/15/2022] [Indexed: 12/13/2022]
Abstract
Increasing evidence supporting a causal link between obesity and endoplasmic reticulum (ER) stress in adipose tissue is being reported. Protein disulfide isomerase 4 (PDIA4) is a novel ER chaperone involved in the pancreatic β-cells pathogenesis in diabetes. However, the role of PDIA4 in obesity progression remains poorly understood. To assess the relationship between PDIA4, adiponectin, and metformin, we used the palmitate-induced inflammation in hypertrophic adipocytes and the high-fat diet-induced obesity mouse model. Our results revealed that palmitate-induced hypertrophic adipocytes exhibit obesity-associated conditions such as increased lipid accumulation, inflammation, and reduced glucose uptake. Pharmacological and genetic inhibition of PDIA4 significantly reverses these obesity-associated conditions in adipocytes. PDIA4 mechanistically promotes obesity progression via adiponectin downregulation. Furthermore, metformin modulates PDIA4 and adiponectin expression and improves obesity-associated conditions in both in vitro adipocytes and in vivo mouse models. Serum PDIA4 concentrations are also associated with body mass index, adiponectin, triglycerides, and inflammatory cytokines in humans. This is the first study demonstrating that PDIA4 modulates adipocytes by downregulating adiponectin. Moreover, metformin may serve as a potential therapeutic for preventing obesity via PDIA4-targeting.
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Affiliation(s)
- Sheng-Chiang Su
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chu-Yen Chien
- School of Dentistry, National Defense Medical Center, Taipei, Taiwan
| | - Ying-Chen Chen
- School of Dentistry, National Defense Medical Center, Taipei, Taiwan
| | - Chi-Fu Chiang
- School of Dentistry, National Defense Medical Center, Taipei, Taiwan
| | - Fu-Huang Lin
- School of Public Health, National Defense Medical Center, Taipei, Taiwan
| | - Feng-Chih Kuo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chia-Luen Huang
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Peng-Fei Li
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Jhih-Syuan Liu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chieh-Hua Lu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Li-Ju Ho
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chang-Hsun Hsieh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Yi-Jen Hung
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- Department and Graduate Institute of Biochemistry, National Defense Medical Center, Taipei, Taiwan
| | - Yi-Shing Shieh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- School of Dentistry, National Defense Medical Center, Taipei, Taiwan
- Department and Graduate Institute of Biochemistry, National Defense Medical Center, Taipei, Taiwan
| | - Chien-Hsing Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- Department and Graduate Institute of Biochemistry, National Defense Medical Center, Taipei, Taiwan
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Pasha M, Kirschenman R, Wooldridge A, Spaans F, Cooke CLM, Davidge ST. The Effect of Tauroursodeoxycholic Acid (TUDCA) Treatment on Pregnancy Outcomes and Vascular Function in a Rat Model of Advanced Maternal Age. Antioxidants (Basel) 2022; 11:1275. [PMID: 35883766 PMCID: PMC9312116 DOI: 10.3390/antiox11071275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 11/23/2022] Open
Abstract
Advanced maternal age (≥35 years) increases the risk of vascular complications in pregnancy that can result in fetal growth restriction and preeclampsia. Endoplasmic reticulum (ER) stress has been linked to adverse pregnancy outcomes in these complicated pregnancies. However, the role of ER stress in advanced maternal age is not known. We hypothesize that increased ER stress contributes to altered vascular function and poor pregnancy outcomes, and that treatment with the ER-stress inhibitor TUDCA will improve pregnancy outcomes. First, young and aged non-pregnant/pregnant rats were used to assess ER stress markers in mesenteric arteries; mesenteric artery phospho-eIF2α and CHOP expression were increased in aged dams compared to young dams. In a second study, young and aged control and TUDCA-treated dams were studied on gestational day (GD) 20 (term = 22 days). TUDCA treatment was provided via the drinking water throughout pregnancy (GD0-GD20; calculated dose of 150 mg/kg/day TUDCA). ER stress markers were quantified in mesenteric arteries, blood pressure was measured, pregnancy outcomes were recorded, mesenteric and main uterine arteries were isolated and vascular function was assessed by wire myography. Aged dams had increased phospho-eIF2α and CHOP expression, reduced fetal weight, reduced litter size, and impaired uterine artery relaxation. In the aged dams, TUDCA treatment reduced phospho-eIF2α and CHOP expression, reduced blood pressure, improved fetal body weight, and tended to improve uterine artery function compared to control-treated aged dams. In conclusion, our data illustrate the role of ER stress, as well as TUDCA as a potential therapeutic that may benefit pregnancy outcomes in advanced maternal age.
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Affiliation(s)
- Mazhar Pasha
- Department of Physiology, University of Alberta, Edmonton, AB T6G 2R3, Canada;
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, AB T6G 2S2, Canada; (R.K.); (A.W.); (F.S.); (C.-L.M.C.)
- Women and Children’s Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada
| | - Raven Kirschenman
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, AB T6G 2S2, Canada; (R.K.); (A.W.); (F.S.); (C.-L.M.C.)
- Women and Children’s Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada
| | - Amy Wooldridge
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, AB T6G 2S2, Canada; (R.K.); (A.W.); (F.S.); (C.-L.M.C.)
- Women and Children’s Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada
| | - Floor Spaans
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, AB T6G 2S2, Canada; (R.K.); (A.W.); (F.S.); (C.-L.M.C.)
- Women and Children’s Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada
| | - Christy-Lynn M. Cooke
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, AB T6G 2S2, Canada; (R.K.); (A.W.); (F.S.); (C.-L.M.C.)
- Women and Children’s Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada
| | - Sandra T. Davidge
- Department of Physiology, University of Alberta, Edmonton, AB T6G 2R3, Canada;
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, AB T6G 2S2, Canada; (R.K.); (A.W.); (F.S.); (C.-L.M.C.)
- Women and Children’s Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada
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37
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Zhang YZ, Zhao QH, Duan HW, Zou YJ, Sun SC, Hu LL. Aflatoxin B1 exposure disrupts organelle distribution in mouse oocytes. PeerJ 2022; 10:e13497. [PMID: 35646486 PMCID: PMC9135037 DOI: 10.7717/peerj.13497] [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] [Received: 03/17/2022] [Accepted: 05/05/2022] [Indexed: 01/17/2023] Open
Abstract
Aflatoxin B1 (AFB1) is a secondary metabolite produced by the fungus Aspergillus, which is ubiquitous in moldy grain products. Aflatoxin B1 has been reported to possess hepatotoxicity, renal toxicity, and reproductive toxicity. Previous studies have shown that AFB1 is toxic to mammalian oocytes. However, the potential toxicity of AFB1 on the organelles of mouse oocytes is unknown. In this study, we found that exposure to AFB1 significantly reduced mouse oocyte development capacity. Further analysis showed that the endoplasmic reticulum (ER) failed to accumulate around the spindle, and scattered in the cytoplasm under AFB1 exposure. Similar to the ER, the Golgi apparatus showed a uniform localization pattern following AFB1 treatment. In addition, we found that AFB1 exposure caused the condensation of lysosomes in the cytoplasm, presenting as a clustered or spindle peripheral-localization pattern, which indicated that protein modification, transport, and degradation were affected. Mitochondrial distribution was also altered by AFB1 treatment. In summary, our study showed that AFB1 exposure had toxic effects on the distribution of mouse oocyte organelles, which further led to a decline in oocyte quality.
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Affiliation(s)
- Yan-Zhe Zhang
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Qian-Han Zhao
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Hong-Wei Duan
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Yuan-Jing Zou
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Shao-Chen Sun
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Lin-Lin Hu
- The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
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38
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Leung ZCL, Abu Rafea B, Watson AJ, Betts DH. Free fatty acid treatment of mouse preimplantation embryos demonstrates contrasting effects of palmitic acid and oleic acid on autophagy. Am J Physiol Cell Physiol 2022; 322:C833-C848. [PMID: 35319901 PMCID: PMC9273280 DOI: 10.1152/ajpcell.00414.2021] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Treatment of mouse preimplantation embryos with elevated palmitic acid (PA) reduces blastocyst development, while co-treatment with PA and oleic acid (OA) together rescues blastocyst development to control frequencies. To understand the mechanistic effects of PA and OA treatment on early mouse embryos, we investigated the effects of PA and OA, alone and in combination, on autophagy during preimplantation development in vitro. We hypothesized that PA would alter autophagic processes and that OA co-treatment would restore control levels of autophagy. Two-cell stage mouse embryos were placed into culture medium supplemented with 100 μM PA, 250 μM OA, 100 μM PA and 250 μM OA, or KSOMaa medium alone (control) for 18 - 48 h. The results demonstrated that OA co-treatment slowed developmental progression after 30 h of co-treatment but restored control blastocyst frequencies by 48 h. PA treatment elevated LC3-II puncta and p62 levels per cell while OA co-treatment returned to control levels of autophagy by 48 h. Autophagic mechanisms are altered by non-esterified fatty acid (NEFA) treatments during mouse preimplantation development in vitro, where PA elevates autophagosome formation and reduces autophagosome degradation levels, while co-treatment with OA reversed these PA-effects. Autophagosome-lysosome co-localization only differed between PA and OA alone treatment groups. These findings advance our understanding of the effects of free fatty acid exposure on preimplantation development, and they uncover principles that may underlie the associations between elevated fatty acid levels and overall declines in reproductive fertility.
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Affiliation(s)
- Zuleika C L Leung
- Department of Obstetrics and Gynaecology, The University of Western Ontario, London, Canada.,Department of Physiology and Pharmacology, The University of Western Ontario, London Ontario, Canada.,The Children's Health Research Institute - Lawson Health Research Institute, London, Ontario, Canada
| | - Basim Abu Rafea
- Department of Obstetrics and Gynaecology, The University of Western Ontario, London, Canada.,The Children's Health Research Institute - Lawson Health Research Institute, London, Ontario, Canada
| | - Andrew J Watson
- Department of Obstetrics and Gynaecology, The University of Western Ontario, London, Canada.,Department of Physiology and Pharmacology, The University of Western Ontario, London Ontario, Canada.,The Children's Health Research Institute - Lawson Health Research Institute, London, Ontario, Canada
| | - Dean H Betts
- Department of Obstetrics and Gynaecology, The University of Western Ontario, London, Canada.,Department of Physiology and Pharmacology, The University of Western Ontario, London Ontario, Canada.,The Children's Health Research Institute - Lawson Health Research Institute, London, Ontario, Canada
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Liu K, Chen Y, Feng P, Wang Y, Sun M, Song T, Tan J, Li C, Liu S, Kong Q, Zhang J. Identification of Pathologic and Prognostic Genes in Prostate Cancer Based on Database Mining. Front Genet 2022; 13:854531. [PMID: 35360870 PMCID: PMC8963346 DOI: 10.3389/fgene.2022.854531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/14/2022] [Indexed: 12/24/2022] Open
Abstract
Background: Prostate cancer (PCa) is an epithelial malignant tumor that occurs in the urinary system with high incidence and is the second most common cancer among men in the world. Thus, it is important to screen out potential key biomarkers for the pathogenesis and prognosis of PCa. The present study aimed to identify potential biomarkers to reveal the underlying molecular mechanisms. Methods: Differentially expressed genes (DEGs) between PCa tissues and matched normal tissues from The Cancer Genome Atlas Prostate Adenocarcinoma (TCGA-PRAD) dataset were screened out by R software. Weighted gene co-expression network analysis was performed primarily to identify statistically significant genes for clinical manifestations. Protein–protein interaction (PPI) network analysis and network screening were performed based on the STRING database in conjunction with Cytoscape software. Hub genes were then screened out by Cytoscape in conjunction with stepwise algorithm and multivariate Cox regression analysis to construct a risk model. Gene expression in different clinical manifestations and survival analysis correlated with the expression of hub genes were performed. Moreover, the protein expression of hub genes was validated by the Human Protein Atlas database. Results: A total of 1,621 DEGs (870 downregulated genes and 751 upregulated genes) were identified from the TCGA-PRAD dataset. Eight prognostic genes [BUB1, KIF2C, CCNA2, CDC20, CCNB2, PBK, RRM2, and CDC45] and four hub genes (BUB1, KIF2C, CDC20, and PBK) potentially correlated with the pathogenesis of PCa were identified. A prognostic model with good predictive power for survival was constructed and was validated by the dataset in GSE21032. The survival analysis demonstrated that the expression of RRM2 was statistically significant to the prognosis of PCa, indicating that RRM2 may potentially play an important role in the PCa progression. Conclusion: The present study implied that RRM2 was associated with prognosis and could be used as a potential therapeutic target for PCa clinical treatment.
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Affiliation(s)
- Kun Liu
- Department of Immunology, Zunyi Medical University, Zunyi, China
| | - Yijun Chen
- Department of Immunology, Zunyi Medical University, Zunyi, China
| | - Pengmian Feng
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yucheng Wang
- Department of Immunology, Zunyi Medical University, Zunyi, China
| | - Mengdi Sun
- Department of Immunology, Zunyi Medical University, Zunyi, China
| | - Tao Song
- Department of Immunology, Zunyi Medical University, Zunyi, China
| | - Jun Tan
- Department of Histology and Embryology, Zunyi Medical University, Zunyi, China
| | - Chunyang Li
- Department of Immunology, Zunyi Medical University, Zunyi, China
| | - Songpo Liu
- Department of Immunology, Zunyi Medical University, Zunyi, China
| | - Qinghong Kong
- Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi, China
- *Correspondence: Qinghong Kong, ; Jidong Zhang,
| | - Jidong Zhang
- Department of Immunology, Zunyi Medical University, Zunyi, China
- Special Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi Medical University, Zunyi, China
- *Correspondence: Qinghong Kong, ; Jidong Zhang,
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40
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Secomandi L, Borghesan M, Velarde M, Demaria M. The role of cellular senescence in female reproductive aging and the potential for senotherapeutic interventions. Hum Reprod Update 2022; 28:172-189. [PMID: 34918084 PMCID: PMC8888999 DOI: 10.1093/humupd/dmab038] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 10/28/2021] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Advanced maternal age is associated with decreased oocyte quantity and quality as well as uterine and placental dysfunctions. These changes lead to infertility, pregnancy complications and birth defects in the offspring. As the mean age of giving birth is increasing worldwide, prevention of age-associated infertility and pregnancy complications, along with the more frequent use of ART, become extremely important. Currently, significant research is being conducted to unravel the mechanisms underlying female reproductive aging. Among the potential mechanisms involved, recent evidence has suggested a contributing role for cellular senescence, a cellular state of irreversible growth arrest characterized by a hypersecretory and pro-inflammatory phenotype. Elucidating the role of senescence in female reproductive aging holds the potential for developing novel and less invasive therapeutic measures to prevent or even reverse female reproductive aging and increase offspring wellbeing. OBJECTIVE AND RATIONALE The review will summarize the positive and negative implications of cellular senescence in the pathophysiology of the female reproductive organs during aging and critically explore the use of novel senotherapeutics aiming to reverse and/or eliminate their detrimental effects. The focus will be on major senescence mechanisms of the ovaries, the uterus, and the placenta, as well as the potential and risks of using senotherapies that have been discovered in recent years. SEARCH METHODS Data for this review were identified by searches of MEDLINE, PubMed and Google Scholar. References from relevant articles using the search terms 'Cellular Senescence', 'Aging', 'Gestational age', 'Maternal Age', 'Anti-aging', 'Uterus', 'Pregnancy', 'Fertility', 'Infertility', 'Reproduction', 'Implant', 'Senolytic', 'Senostatic', 'Senotherapy' and 'Senotherapeutic' where selected. A total of 182 articles published in English between 2005 and 2020 were included, 27 of which focus on potential senotherapies for reproductive aging. Exclusion criteria were inclusion of the terms 'male' and 'plants'. OUTCOMES Aging is a major determinant of reproductive wellbeing. Cellular senescence is a basic aging mechanism, which can be exploited for therapeutic interventions. Within the last decade, several new strategies for the development and repurposing of drugs targeting senescent cells have emerged, such as modulators of the anti-inflammatory response, oxidative stress, DNA damage, and mitochondria and protein dysfunctions. Several studies of female reproductive aging and senotherapies have been discussed that show promising results for future interventions. WIDER IMPLICATIONS In most countries of the Organization for Economic Co-operation and Development, the average age at which women give birth is above 30 years. Currently, in countries such as the Netherlands, Australia, Spain, Finland, Germany and the UK, birth rates among 30- to 34-year-olds are now higher than in any other age groups. This review will provide new knowledge and scientific advancement on the senescence mechanisms during female reproductive aging, and benefit fundamental and clinical scientists and professionals in the areas of reproduction, cancer, immunobiology and fibrosis.
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Affiliation(s)
- Laura Secomandi
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), 9713AV Groningen, The Netherlands
| | - Michela Borghesan
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), 9713AV Groningen, The Netherlands
| | - Michael Velarde
- Institute of Biology, College of Science, University of the Philippines Diliman, Quezon City, PH 1101, Philippines
| | - Marco Demaria
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), 9713AV Groningen, The Netherlands
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Xiang D, Jia B, Guo J, Shao Q, Hong Q, Wei H, Quan G, Wu G. Transcriptome Analysis of mRNAs and Long Non-Coding RNAs During Subsequent Embryo Development of Porcine Cloned Zygotes After Vitrification. Front Genet 2022; 12:753327. [PMID: 34976007 PMCID: PMC8718616 DOI: 10.3389/fgene.2021.753327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 11/17/2021] [Indexed: 11/15/2022] Open
Abstract
Cryopreservation of porcine cloned zygotes has important implications for biotechnology and biomedicine research; however, lower embryo developmental potential remains an urgent problem to be resolved. For exploring the sublethal cryodamages during embryo development, this study was designed to acquire the mRNA and long non-coding RNA (lncRNA) profiles of 2-cells, 4-cells and blastocysts derived from vitrified porcine cloned zygotes using transcriptome sequencing. We identified 167 differentially expressed (DE) mRNAs and 516 DE lncRNAs in 2-cell stage, 469 DE mRNAs and 565 lncRNAs in 4-cell stage, and 389 DE mRNAs and 816 DE lncRNAs in blastocyst stage. Functional enrichment analysis revealed that the DE mRNAs during embryo development were involved in many regulatory mechanisms related to cell cycle, cell proliferation, apoptosis, metabolism and others. Moreover, the target genes of DE lncRNAs in the three embryonic stages were also enriched in many key GO terms or pathways such as “defense response”, “linoleic acid metabolic process”, “embryonic axis specification”, “negative regulation of protein neddylation”, etc., In conclusion, the present study provided comprehensive transcriptomic data about mRNAs and lncRNAs for the vitrified porcine cloned zygotes during different developmental stages, which contributed to further understand the potential cryodamage mechanisms responsible for impaired embryo development.
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Affiliation(s)
- Decai Xiang
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Yunnan Provincial Engineering Laboratory of Animal Genetic Resource Conservation and Germplasm Enhancement, Yunnan Animal Science and Veterinary Institute, Kunming, China
| | - Baoyu Jia
- Key Laboratory of Animal Gene Editing and Animal Cloning in Yunnan Province, College of Veterinary Medicine, Yunnan Agricultural University, Kunming, China
| | - Jianxiong Guo
- Key Laboratory of Animal Gene Editing and Animal Cloning in Yunnan Province, College of Veterinary Medicine, Yunnan Agricultural University, Kunming, China
| | - Qingyong Shao
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Yunnan Provincial Engineering Laboratory of Animal Genetic Resource Conservation and Germplasm Enhancement, Yunnan Animal Science and Veterinary Institute, Kunming, China
| | - Qionghua Hong
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Yunnan Provincial Engineering Laboratory of Animal Genetic Resource Conservation and Germplasm Enhancement, Yunnan Animal Science and Veterinary Institute, Kunming, China
| | - Hongjiang Wei
- Key Laboratory of Animal Gene Editing and Animal Cloning in Yunnan Province, College of Veterinary Medicine, Yunnan Agricultural University, Kunming, China
| | - Guobo Quan
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Yunnan Provincial Engineering Laboratory of Animal Genetic Resource Conservation and Germplasm Enhancement, Yunnan Animal Science and Veterinary Institute, Kunming, China
| | - Guoquan Wu
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Yunnan Provincial Engineering Laboratory of Animal Genetic Resource Conservation and Germplasm Enhancement, Yunnan Animal Science and Veterinary Institute, Kunming, China
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42
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Park HJ, Yang SG, Koo DB. SESN2/NRF2 signaling activates as a direct downstream regulator of the PERK pathway against endoplasmic reticulum stress to improve the in vitro maturation of porcine oocytes. Free Radic Biol Med 2022; 178:413-427. [PMID: 34923100 DOI: 10.1016/j.freeradbiomed.2021.12.258] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 11/22/2021] [Accepted: 12/13/2021] [Indexed: 02/05/2023]
Abstract
Nuclear erythroid 2-related factor 2 (NRF2) is a critical regulator of oxidative stress in mammalian oocytes. Our previous study described the protective effects of Sestrin-2 (SESN2) as a stress regulator against endoplasmic reticulum (ER) stress in porcine oocytes during in vitro maturation (IVM). However, their roles in unfolded protein response-related signaling pathways in porcine oocyte maturation capacity remain unknown. The purpose of this study was to evaluate the role of SESN2/NRF2 signaling in H2O2-induced oxidative stress and ER stress via protein kinase-like ER kinase (PERK) downstream factor during porcine oocyte maturation. Here, we found that the p-NRF2(Ser40) activation in the nucleus of porcine oocytes was accompanied by PERK signaling downregulation using western blot and immunofluorescence staining at 44 h after IVM. The total and nuclear NRF2 protein expression was also induced in porcine oocytes following H2O2 and tunicamycin (Tm) exposure. Notably, the upregulation of PERK signaling significantly increased the SESN2 and NRF2 signaling in H2O2-and Tm-exposed porcine cumulus oocyte complexes. Interestingly, inducing the knockdown of the SESN2 gene expression by siRNA interrupted the NRF2 signaling activation of porcine oocyte maturation, whereas NRF2 expression blockade by ochratoxin A, an NRF2 inhibitor, did not affect the expression level of the SESN2 protein. Moreover, a defect in SESN2 completely blocked the activity of nuclear NRF2 on spindle assembly in porcine oocytes. These findings suggest that the PERK/SESN2/NRF2 signaling pathway may play an important role against ER stress during meiotic maturation and oocyte maturation capacity.
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Affiliation(s)
- Hyo-Jin Park
- Department of Biotechnology, College of Engineering, Daegu University, 201 Daegudae-ro, Jillyang, Gyeongsan, Gyeongbuk 38453, Republic of Korea; Institute of Infertility, Daegu University, 201 Daegudae-ro, Jillyang, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Seul-Gi Yang
- Department of Biotechnology, College of Engineering, Daegu University, 201 Daegudae-ro, Jillyang, Gyeongsan, Gyeongbuk 38453, Republic of Korea; Institute of Infertility, Daegu University, 201 Daegudae-ro, Jillyang, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Deog-Bon Koo
- Department of Biotechnology, College of Engineering, Daegu University, 201 Daegudae-ro, Jillyang, Gyeongsan, Gyeongbuk 38453, Republic of Korea; Institute of Infertility, Daegu University, 201 Daegudae-ro, Jillyang, Gyeongsan, Gyeongbuk 38453, Republic of Korea.
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43
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Huang C, Wu D, Khan FA, Wang Y, Xu J, Luo C, Zhang K, Sun F, Huo L. Zinc oxide nanoparticle causes toxicity to the development of mouse oocyte and early embryo. Toxicol Lett 2022; 358:48-58. [DOI: 10.1016/j.toxlet.2022.01.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 12/31/2021] [Accepted: 01/18/2022] [Indexed: 12/24/2022]
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44
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Li M, Zha G, Chen R, Chen X, Sun Q, Jiang H. Anticancer effects of myricetin derivatives in non-small cell lung cancer in vitro and in vivo. Pharmacol Res Perspect 2021; 10:e00905. [PMID: 34964301 PMCID: PMC8929361 DOI: 10.1002/prp2.905] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 11/29/2021] [Indexed: 02/06/2023] Open
Abstract
Lung cancer is the most common cause of cancer‐related deaths. Moreover, exploring efficient tumor‐killing drugs is urgently needed. In our study, several derivative compounds of myricetin were synthesized and tested. Experiments on non‐small cell lung cancer (NSCLC) showed that S4‐2‐2 (5,7‐dimethoxy‐3‐(4‐(methyl(1‐(naphthalen‐2‐ylsulfonyl)piperidin‐4‐yl)amino)butoxy)‐2‐(3,4,5‐trimethoxyphenyl)‐4H‐chromen‐4‐one) had the strongest effect on A549 cell inhibition across all compounds. Furthermore, S4‐2‐2‐treated A549 cells were also suppressed when transplanted into immunodeficient mice. Particularly, we found that the migration and invasiveness of A549 cells became suppressed upon treatment with S4‐2‐2. Furthermore, the compound significantly induced cell apoptosis, but did not affect the cell cycle of A549 cells. Finally, we revealed that S4‐2‐2 inhibited the biological function of NSCLC cells by regulating the protein process in the endoplasmic reticulum, and then by inducing the expression of apoptosis‐related proteins. Taken together, S4‐2‐2 was shown to act as a potential molecular inhibitor of A549 cells.
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Affiliation(s)
- Mengmeng Li
- Department of Radiation Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Genlan Zha
- Department of Radiation Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Rujun Chen
- Department of Radiation Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Xin Chen
- Department of Radiation Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Qian Sun
- Department of Radiation Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Hao Jiang
- Department of Radiation Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
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45
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Marei WFA, Leroy JLMR. Cellular Stress Responses in Oocytes: Molecular Changes and Clinical Implications. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1387:171-189. [PMID: 34921349 DOI: 10.1007/5584_2021_690] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The oocyte may be exposed to several sources of stress during its growth and maturation, which may lead to reduced fertility. Unfolded protein responses (UPRs) play a central role to maintain cell survival and repair. Transcription of heat shock proteins (HSPs) is a key element to facilitate reestablishment of cellular homeostasis. Unlike somatic cells, cellular mechanisms by which oocytes can sense and respond to stress are not well described. In here, we provide an overview about the impact of cellular stress, particularly due to lipotoxicity, oxidative stress, and heat stress on oocyte developmental competence. Next, we focus on the expression of HSPs in oocytes and their potential role in UPRs in oocytes and embryos. This is based on a comprehensive shotgun proteomic analysis of mature bovine oocytes performed in our laboratory, as well as a literature review. The topic is discussed in light of our understanding of similar mechanisms in other cell types and the limited transcriptional activity in oocytes. More fundamental research is needed both at the transcriptomic and proteomic levels to further understand cell stress response mechanisms in oocytes and early developing embryos, their critical interactions, and their long-term effects. Strategies to provide targeted external support to prevent or reduce cell stress levels during oocyte maturation or early embryo development under maternal metabolic stress conditions should be developed to maximize the odds of producing good quality embryos and guarantee optimal viability.
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Affiliation(s)
- Waleed F A Marei
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium. .,Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
| | - Jo L M R Leroy
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
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46
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Chen W, Pang Y. Metabolic Syndrome and PCOS: Pathogenesis and the Role of Metabolites. Metabolites 2021; 11:metabo11120869. [PMID: 34940628 PMCID: PMC8709086 DOI: 10.3390/metabo11120869] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/29/2021] [Accepted: 12/09/2021] [Indexed: 12/12/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is one of the most common endocrine diseases among women of reproductive age and is associated with many metabolic manifestations, such as obesity, insulin resistance (IR) and hyperandrogenism. The underlying pathogenesis of these metabolic symptoms has not yet been fully elucidated. With the application of metabolomics techniques, a variety of metabolite changes have been observed in the serum and follicular fluid (FF) of PCOS patients and animal models. Changes in metabolites result from the daily diet and occur during uncommon physiological routines. However, some of these metabolite changes may provide evidence to explain possible mechanisms and new approaches for prevention and therapy. This article reviews the pathogenesis of PCOS metabolic symptoms and the relationship between metabolites and the pathophysiology of PCOS. Furthermore, the potential clinical application of some specific metabolites will be discussed.
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Affiliation(s)
- Weixuan Chen
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China;
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
- Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Chinese Academy of Medical Sciences, Beijing 100191, China
| | - Yanli Pang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China;
- National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
- Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Chinese Academy of Medical Sciences, Beijing 100191, China
- Correspondence:
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47
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Fu B, Ma H, Zhang DJ, Wang L, Li ZQ, Guo ZH, Liu ZG, Wu SH, Meng XR, Wang F, Chen WG, Liu D. Porcine oviductal extracellular vesicles facilitate early embryonic development via relief of endoplasmic reticulum stress. Cell Biol Int 2021; 46:300-310. [PMID: 34854517 DOI: 10.1002/cbin.11730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 11/02/2021] [Accepted: 11/28/2021] [Indexed: 11/06/2022]
Abstract
The key to successful in vitro embryo production (IVEP) is to mimic the natural in vivo oviductal microenvironment. Although the chemically defined media in extensive use for the in vitro culture of mammalian embryos is based on the composition of oviductal fluid, the IVEP systems in current use must still bypass the oviduct to produce embryos in vitro. Extracellular vesicles (EVs) in the oviduct are versatile intercellular delivery vehicles for maternal-embryo communication, and a lack of them can be associated with failed early embryonic development under in vitro culture conditions. Herein, we isolated EVs from porcine oviduct fluid and confirmed that oviductal EV supplementation improves the embryonic development of parthenogenetically activated (PA) embryos in terms of blastocyst formation rates and total cell numbers. Our experiments also revealed that a beneficial effect of oviductal EVs on PA embryos was achievable, at least in part, by relieving endoplasmic reticulum stress. These results suggest that the maternal-embryo communication mediated by oviductal EVs benefits early embryonic development. Given the contribution of oviductal EVs to early embryonic development, these findings offer novel insights for the optimization of current IVEP systems.
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Affiliation(s)
- Bo Fu
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Hong Ma
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Dong-Jie Zhang
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Liang Wang
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Zhong-Qiu Li
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Zhen-Hua Guo
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Zi-Guang Liu
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Sai-Hui Wu
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Xiang-Ren Meng
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Fang Wang
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Wen-Gui Chen
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, China
| | - Di Liu
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China.,Key Laboratory of Combining Farming and Animal Husbandry, Ministry of Agriculture and Rural Affairs, Harbin, China
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48
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Attiq A, Yao LJ, Afzal S, Khan MA. The triumvirate of NF-κB, inflammation and cytokine storm in COVID-19. Int Immunopharmacol 2021; 101:108255. [PMID: 34688149 PMCID: PMC8516728 DOI: 10.1016/j.intimp.2021.108255] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/30/2021] [Accepted: 10/09/2021] [Indexed: 01/08/2023]
Abstract
The coronavirus disease (COVID-19) has once again reminded us of the significance of host immune response and consequential havocs of the immune dysregulation. The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) inflicts severe complications to the infected host, including cough, dyspnoea, fever, septic shock, acute respiratory distress syndrome (ARDs), and multiple organ failure. These manifestations are the consequence of the dysregulated immune system, which gives rise to excessive and unattended production of pro-inflammatory mediators. Elevated circulatory cytokine and chemokine levels are accompanied by spontaneous haemorrhage, thrombocytopenia and systemic inflammation, which are the cardinal features of life-threatening cytokine storm syndrome in advanced COVID-19 diseases. Coronavirus hijacked NF-kappa B (NF-κB) is responsible for upregulating the expressions of inflammatory cytokine, chemokine, alarmins and inducible enzymes, which paves the pathway for cytokine storm. Given the scenario, the systemic approach of simultaneous inhibition of NF-κB offers an attractive therapeutic intervention. Targeted therapies with proteasome inhibitor (VL-01, bortezomib, carfilzomib and ixazomib), bruton tyrosine kinase inhibitor (acalabrutinib), nucleotide analogue (remdesivir), TNF-α monoclonal antibodies (infliximab and adalimumab), N-acetylcysteine and corticosteroids (dexamethasone), focusing the NF-κB inhibition have demonstrated effectiveness in terms of the significant decrease in morbidity and mortality in severe COVID-19 patients. Hence, this review highlights the activation, signal transduction and cross-talk of NF-κB with regard to cytokine storm in COVID-19. Moreover, the development of therapeutic strategies based on NF-κB inhibition are also discussed herein.
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Affiliation(s)
- Ali Attiq
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, MAHSA University, Bandar Saujana Putra, 42610 Jenjarom, Selangor, Malaysia.
| | - Lui Jin Yao
- Kuala Balah Health Clinic (Klinik Kesihatan Kuala Balah), Kuala Balah, 17600 Jeli, Kelantan, Malaysia
| | - Sheryar Afzal
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, MAHSA University, Bandar Saujana Putra, 42610 Jenjarom, Selangor, Malaysia
| | - Mansoor Ali Khan
- COVID-19 Vaccination Centres, University College London Hospitals, National Health Service, N10QH London, England
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Lane SL, Parks JC, Russ JE, Khan SA, Schoolcraft WB, Yuan Y, Katz-Jaffe MG. Increased Systemic Antioxidant Power Ameliorates the Aging-Related Reduction in Oocyte Competence in Mice. Int J Mol Sci 2021; 22:13019. [PMID: 34884824 PMCID: PMC8657807 DOI: 10.3390/ijms222313019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/18/2021] [Accepted: 11/22/2021] [Indexed: 11/16/2022] Open
Abstract
Ovarian aging is associated with elevated oxidative stress and diminished oocyte developmental competence. We aimed to determine the impact of systemic antioxidant treatment in aged mice. Female outbred CF-1 mice were aged for 9 months prior to an 8-week 45 mg Euterpe oleracea (açaí) daily supplement. The açaí treatment induced a threefold increase in serum antioxidant power (FRAP) compared to both young and aged mice (p < 0.0001). Compared to young mice, aged mice had fewer oocytes and reduced blastocyst development (p < 0.0001); açaí did not affect the oocyte numbers, but improved blastocyst formation (p < 0.05). Additionally, açaí alleviated the aging-related decrease in implantation potential (p < 0.01). The aged mice showed evidence of elevated ovarian ER stress (increased whole-ovary PDIA4 expression, granulosa cell and oocyte GRP78 expression, and oocyte PDIA4 protein), reduced oocyte mitochondrial quality (higher PRKN activation and mitochondrial DNA oxidative damage), and dysregulated uterine glandular epithelium. Antioxidant intervention was sufficient to lessen these effects of ovarian aging, likely in part by the upregulation of NRF2. We conclude that açaí treatment is a promising strategy to improve ER and mitochondrial function in the ovaries, thereby ameliorating the decreased oocyte competence that occurs with ovarian aging.
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Affiliation(s)
| | | | | | | | | | | | - Mandy G. Katz-Jaffe
- Colorado Center for Reproductive Medicine, Lone Tree, CO 80124, USA; (S.L.L.); (J.C.P.); (J.E.R.); (S.A.K.); (W.B.S.); (Y.Y.)
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Gai Y, Li L, Liu B, Ma H, Chen Y, Zheng F, Sun X, Wang M, Jiao C, Li H. Distinct and essential roles of bZIP transcription factors in the stress response and pathogenesis in Alternaria alternata. Microbiol Res 2021; 256:126915. [PMID: 34953292 DOI: 10.1016/j.micres.2021.126915] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 09/05/2021] [Accepted: 10/15/2021] [Indexed: 12/27/2022]
Abstract
The ability to cope with environmental abiotic stress and biotic stress is crucial for the survival of plants and microorganisms, which enable them to occupy multiple niches in the environment. Previous studies have shown that transcription factors play crucial roles in regulating various biological processes including multiple stress tolerance and response in eukaryotes. This work identified multiple critical transcription factor genes, metabolic pathways and gene ontology (GO) terms related to abiotic stress response were broadly activated by analyzing the transcriptome of phytopathogenic fungus Alternaria alternata under metal ions stresses, oxidative stress, salt stresses, and host-pathogen interaction. We investigated the biological functions and regulatory roles of the bZIP transcriptional factor (TF) genes in the phytopathogenic fungus A.alternata by analyzing targeted gene disrupted mutants. Morphological analysis provides evidence that the bZIP transcription factors (Gcn4, MeaB, Atf1, the ER stress regulator Hac1, and the all development altered-1 gene Ada1) are required for morphogenesis as the colony morphology of these gene deletion mutants was significantly different from that of the wild-type. In addition, bZIPs are involved in the resistance to multiple stresses such as oxidative stress (Ada1, Yap1, MetR) and virulence (Hac1, MetR, Yap1, Ada1) at varying degrees. Transcriptome data demonstrated that the inactivation of bZIPs (Hac1, Atf1, Ada1 and Yap1) significantly affected many genes in multiple critical metabolism pathways and gene ontology (GO) terms. Moreover,the ΔHac1 mutants displayed reduced aerial hypha and are hypersensitivity to endoplasmic reticulum disruptors such as tunicamycin and dithiothreitol. Transcriptome analysis showed that inactivation of Hac1 significantly affected the proteasome process and its downstream unfolded protein binding, indicating that Hac1 participates in the endoplasmic reticulum stress response through the conserved unfolded protein response. Taken together, our findings reveal that bZIP transcription factors function as key regulators of fungal morphogenesis, abiotic stress response and pathogenesis, and expand our understanding of how microbial pathogens utilize these genes to deal with environmental stresses and achieve successful infection in the host plant.
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Affiliation(s)
- Yunpeng Gai
- Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China; School of Grassland Science, Beijing Forestry University, Beijing, 100083, China.
| | - Lei Li
- Department of Plant Pathology, South China Agricultural University, Guangzhou 510640, China
| | - Bing Liu
- Yangzhou Polytechnic College, Yangzhou 225009, China
| | - Haijie Ma
- School of Agriculture and Food Sciences, Zhejiang Agriculture & Forestry University, Hangzhou, 311300, China
| | - Yanan Chen
- Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Fang Zheng
- Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Xuepeng Sun
- School of Agriculture and Food Sciences, Zhejiang Agriculture & Forestry University, Hangzhou, 311300, China
| | - Mingshuang Wang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, 311121, China
| | - Chen Jiao
- Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Hongye Li
- Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China.
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