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Zhang W, Cai S, Wu F, Luo Y, Xiao H, Yu D, Zhong X, Tao P, Huang S. Combining experiments and bioinformatics to identify transforming growth factor-β1 as a key regulator in angiotensin II-induced trophoblast senescence. Placenta 2024; 152:31-38. [PMID: 38781757 DOI: 10.1016/j.placenta.2024.05.127] [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: 11/27/2023] [Revised: 04/25/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024]
Abstract
INTRODUCTION Accelerated senescence of trophoblast may cause several diverse pregnancy outcomes; however, the cause of accelerated trophoblast senescence remains unclear. The renin-angiotensin system (RAS) is closely related to organ senescence. Therefore, in the present study, we hypothesized that angiotensin (Ang)II, one of the most important RAS family members, accelerates trophoblast senescence through the transforming growth factor β-1 (TGF-β1) pathway. METHODS AngII and Ang1-7 were used to stimulate pregnant rats. AngII and its inhibitor olmesartan were used to stimulate trophoblast. Thereafter, senescence levels were measured. Furthermore, we used AngII to stimulate trophoblast and utilized RNA-sequencing (RNAseq) to analyze the expression of differentially expressed genes (DEGs). After identifying the overlapping genes by comparing the DEGs and senescence-related genes, we employed CytoHubba software to calculate the top five hub genes and selected TGF-β1 as the target gene. We transfected the AngII-stimulated trophoblast with TGF-β1 small interfering RNA (siRNA) and measured the senescence levels. RESULTS Senescence markers were upregulated in the AngII group compared with that in the control group. Furthermore, following AngII stimulation and RNAseq measurement, we identified 607 DEGs and 13 overlapping genes. The top five hub genes were as follows: PLAU, PTGS2, PDGF-β, TGF-β1, and FOXO3. Upon knockdown of TGF-β1 expression in AngII-stimulated trophoblast using TGF-β1 siRNA, we observed a downregulation of p53 and p62 mRNA expression. DISCUSSION AngII accelerates trophoblast senescence through the TGF-β1 pathway.
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Affiliation(s)
- Wenni Zhang
- Medical Intensive Care Unit, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China
| | - Shuangming Cai
- Medical Intensive Care Unit, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China
| | - Fei Wu
- Hospital Infection Control Department, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China
| | - Yiping Luo
- Medical Intensive Care Unit, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China
| | - Huanshun Xiao
- Medical Intensive Care Unit, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China
| | - Danfeng Yu
- Medical Intensive Care Unit, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China
| | - Xuan Zhong
- Medical Intensive Care Unit, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China
| | - Pei Tao
- Medical Intensive Care Unit, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China
| | - Shan Huang
- Medical Intensive Care Unit, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China.
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Xue L, Chen R, Liu Y, Niu P, Zhou J, Liu J, Zhang J, Chen H. Association of maternal blood high-mobility group box 1 levels and adverse pregnancy outcomes: A systematic review and meta-analysis. Reprod Biol 2024; 24:100859. [PMID: 38492434 DOI: 10.1016/j.repbio.2024.100859] [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: 11/22/2023] [Revised: 01/16/2024] [Accepted: 01/24/2024] [Indexed: 03/18/2024]
Abstract
Conflicting findings have emerged regarding the levels of high mobility group box 1 (HMGB1) in individuals experiencing adverse pregnancy outcomes. Here we conducted a meta-analysis to assess the association between maternal blood HMGB1 levels and adverse pregnancy outcomes. Utilizing databases such as PubMed, Cochrane Central Register of Controlled Trials, Web of Science, Embase and China National Knowledge Infrastructure (CNKI), a systematic literature search was conducted in January 2024. Eligible literature was screened according to inclusion and exclusion criteria. Quality assessment was evaluated using the Newcastle-Ottawa Scale (NOS). The extracted data were analyzed using Review Manager 5.4 and STATA 12.0 software. 21 observational studies with a total of 2471 participants were included in this meta-analysis. Significantly higher peripheral blood levels of HMGB1 were associated with preeclampsia (PE) (SMD=1.34; 95% CI: 0.72-1.95; P < 0.0001) and gestational diabetes mellitus (GDM) (SMD=1.20; 95% CI: 0.31-2.09; P = 0.009). Additionally, HMGB1 levels in peripheral blood were significantly elevated in patients with unexplained recurrent spontaneous abortion (URSA) than those in pregnancy controls (SMD=4.22; 95% CI: 1.64-6.80; P = 0.001) or non-pregnancy controls (SMD=3.87; 95% CI: 1.81-5.92; P = 0.0002). Interestingly, higher blood HMGB1 levels were observed in women with preterm birth (PTB), however, the results did not reach a statistical difference (SMD=0.54; 95% CI: -0.36-1.44; P = 0.24). In conclusion, overexpressed maternal blood HMGB1 levels were associated with adverse pregnancy outcomes, including PE, GDM and URSA. Further studies should be conducted to validate the efficacy of HMGB1 as a biomarker for assessing the risk of adverse pregnancy outcomes.
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Affiliation(s)
- Liping Xue
- Department of Pharmacy, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China; School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Ruolin Chen
- College of Letter and Science, University of California Davis, CA, USA
| | - Ying Liu
- Department of Pharmacy, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China
| | - Peiguang Niu
- Department of Pharmacy, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China
| | - Jintuo Zhou
- Department of Pharmacy, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China
| | - Jinhua Liu
- Department of Pharmacy, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China; School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Jinhua Zhang
- Department of Pharmacy, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China; School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China.
| | - Huajiao Chen
- Department of Pharmacy, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian, China; School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China.
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Lis N, Lamnisos D, Bograkou-Tzanetakou A, Hadjimbei E, Tzanetakou IP. Preterm Birth and Its Association with Maternal Diet, and Placental and Neonatal Telomere Length. Nutrients 2023; 15:4975. [PMID: 38068836 PMCID: PMC10708229 DOI: 10.3390/nu15234975] [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: 11/06/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Preterm birth (PTB), a multi-causal syndrome, is one of the global epidemics. Maternal nutrition, but also neonatal and placental telomere length (TL), are among the factors affecting PTB risk. However, the exact relationship between these factors and the PTB outcome, remains obscure. The aim of this review was to investigate the association between PTB, maternal nutrition, and placental-infant TL. Observational studies were sought with the keywords: maternal nutrition, placental TL, newborn, TL, and PTB. No studies were found that included all of the keywords simultaneously, and thus, the keywords were searched in dyads, to reach assumptive conclusions. The findings show that maternal nutrition affects PTB risk, through its influence on maternal TL. On the other hand, maternal TL independently affects PTB risk, and at the same time PTB is a major determinant of offspring TL regulation. The strength of the associations, and the extent of the influence from covariates, remains to be elucidated in future research. Furthermore, the question of whether maternal TL is simply a biomarker of maternal nutritional status and PTB risk, or a causative factor of PTB, to date, remains to be answered.
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Affiliation(s)
- Nikoletta Lis
- Department of Health Sciences, European University Cyprus, Nicosia 2404, Cyprus; (N.L.); (D.L.)
- Maternity Clinic, Cork University Maternity Hospital, T12 YE02 Cork, Ireland
| | - Demetris Lamnisos
- Department of Health Sciences, European University Cyprus, Nicosia 2404, Cyprus; (N.L.); (D.L.)
| | | | - Elena Hadjimbei
- Department of Life Sciences, European University Cyprus, Nicosia 2404, Cyprus;
| | - Irene P. Tzanetakou
- Department of Life Sciences, European University Cyprus, Nicosia 2404, Cyprus;
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Yildirim M, Oluklu D, Menekse Beser D, Uyan Hendem D, Kara O, Tanacan A, Sahin D. Assessment of fetal thymus size in pregnant women with rheumatic diseases: A case-control study. JOURNAL OF CLINICAL ULTRASOUND : JCU 2023; 51:1342-1347. [PMID: 37537797 DOI: 10.1002/jcu.23532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 08/05/2023]
Abstract
PURPOSE To investigate the fetal thymic-thoracic ratio (TT-ratio) in pregnancies diagnosed with rheumatoid arthritis (RA) and ankylosing spondylitis (AS). METHODS Thirty-two pregnant women with rheumatic disease and 96 low-risk pregnant women between 20 and 37 weeks were included in the study. Three control patients were randomly selected for each study patient. TT-ratio was calculated by measuring the anterior-posterior diameter of the thymus and the intrathoracic mediastinal diameter. Data were compared between the study group, including RA and AS, and the control group. RESULTS Thirty-two pregnant women with arthritis, 19 diagnosed with RA and 13 with AS, were evaluated. The mean value of the study group TT-ratio was 0.33; control group, 0.36; a statistically significant difference was found (p < 0.001). Perinatal outcomes were not different when compared with control patients. There was a negative correlation between disease duration, maternal C-reactive protein, erythrocyte sedimentation rate, and TT-ratio. CONCLUSION This is the first study to prospectively evaluate the fetal TT-ratio in patients with RA and AS. Systemic inflammation appears to affect fetal thymus size. Appropriate management of maternal rheumatic diseases is essential for developing the thymus, a vital immune system component.
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Affiliation(s)
- Muradiye Yildirim
- Department of Obstetrics and Gynecology, Division of Perinatology, Turkish Ministry of Health Ankara City Hospital, Ankara, Turkey
| | - Deniz Oluklu
- Department of Obstetrics and Gynecology, Division of Perinatology, Turkish Ministry of Health Ankara City Hospital, Ankara, Turkey
| | - Dilek Menekse Beser
- Department of Obstetrics and Gynecology, Division of Perinatology, Turkish Ministry of Health Ankara City Hospital, Ankara, Turkey
| | - Derya Uyan Hendem
- Department of Obstetrics and Gynecology, Division of Perinatology, Turkish Ministry of Health Ankara City Hospital, Ankara, Turkey
| | - Ozgur Kara
- University of Health Sciences, Department of Obstetrics and Gynecology, Division of Perinatology, Turkish Ministry of Health Ankara City Hospital, Ankara, Turkey
| | - Atakan Tanacan
- University of Health Sciences, Department of Obstetrics and Gynecology, Division of Perinatology, Turkish Ministry of Health Ankara City Hospital, Ankara, Turkey
| | - Dilek Sahin
- University of Health Sciences, Department of Obstetrics and Gynecology, Division of Perinatology, Turkish Ministry of Health Ankara City Hospital, Ankara, Turkey
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Zhou G, Fichorova RN, Holzman C, Chen B, Chang C, Kasten EP, Hoffmann HM. Placental circadian lincRNAs and spontaneous preterm birth. Front Genet 2023; 13:1051396. [PMID: 36712876 PMCID: PMC9874002 DOI: 10.3389/fgene.2022.1051396] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 12/28/2022] [Indexed: 01/12/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) have a much higher cell- and/or tissue-specificity compared to mRNAs in most cases, making them excellent candidates for therapeutic applications to reduce off-target effects. Placental long non-coding RNAs have been investigated in the pathogenesis of preeclampsia (often causing preterm birth (PTB)), but less is known about their role in preterm birth. Preterm birth occurs in 11% of pregnancies and is the most common cause of death among infants in the world. We recently identified that genes that drive circadian rhythms in cells, termed molecular clock genes, are deregulated in maternal blood of women with spontaneous PTB (sPTB) and in the placenta of women with preeclampsia. Next, we focused on circadian genes-correlated long intergenic non-coding RNAs (lincRNAs, making up most of the long non-coding RNAs), designated as circadian lincRNAs, associated with sPTB. We compared the co-altered circadian transcripts-correlated lincRNAs expressed in placentas of sPTB and term births using two published independent RNAseq datasets (GSE73712 and GSE174415). Nine core clock genes were up- or downregulated in sPTB versus term birth, where the RORA transcript was the only gene downregulated in sPTB across both independent datasets. We found that five circadian lincRNAs (LINC00893, LINC00265, LINC01089, LINC00482, and LINC00649) were decreased in sPTB vs term births across both datasets (p ≤ .0222, FDR≤.1973) and were negatively correlated with the dataset-specific clock genes-based risk scores (correlation coefficient r = -.65 ∼ -.43, p ≤ .0365, FDR≤.0601). Gene set variation analysis revealed that 65 pathways were significantly enriched by these same five differentially expressed lincRNAs, of which over 85% of the pathways could be linked to immune/inflammation/oxidative stress and cell cycle/apoptosis/autophagy/cellular senescence. These findings may improve our understanding of the pathogenesis of spontaneous preterm birth and provide novel insights into the development of potentially more effective and specific therapeutic targets against sPTB.
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Affiliation(s)
- Guoli Zhou
- Clinical and Translational Sciences Institute, Michigan State University, East Lansing, MI, United States,*Correspondence: Guoli Zhou, ; Hanne M. Hoffmann,
| | - Raina N. Fichorova
- Department of Obstetrics, Gynecology and Reproductive Biology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Claudia Holzman
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, United States
| | - Bin Chen
- Department of Pediatrics and Human Development, Michigan State University, East Lansing, MI, United States
| | - Chi Chang
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, United States
| | - Eric P. Kasten
- Clinical and Translational Sciences Institute, Michigan State University, East Lansing, MI, United States,Department of Radiology, Michigan State University, East Lansing, MI, United States
| | - Hanne M. Hoffmann
- Department of Animal Science, College of Agriculture and Natural Resources, Michigan State University, East Lansing, MI, United States,*Correspondence: Guoli Zhou, ; Hanne M. Hoffmann,
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Goldman B, Radnaa E, Kechichian T, Menon R. Silencing P38 MAPK reduces cellular senescence in human fetal chorion trophoblast cells. Am J Reprod Immunol 2023; 89:e13648. [PMID: 36334089 PMCID: PMC9771926 DOI: 10.1111/aji.13648] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 10/18/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022] Open
Abstract
PROBLEM Amniochorion senescence generates mechanistic signals to initiate parturition. Activation of p38 mitogen-activated kinase (MAPK) in fetal amnion cells is a key mediator of senescence as well as epithelial-mesenchymal transition (EMT) of amnion cells. However, the impact of p38 MAPK in chorion trophoblast cells (CTCs) is unclear. We tested if eliminating p38 will reduce oxidative stress (OS) induced cell fates like cellular senescence, EMT, and inflammation induced by these processes in CTCs. METHODS p38MAPK in CTCs was silenced using CRISPR/Cas9. OS was evoked by cigarette smoke extract (CSE) exposure. EMT was evoked by transforming growth factor (TGF)-ß treatment. Cell cycle, senescence, EMT, and inflammation were analyzed. RESULTS CSE-induced changes in the cell cycle were not seen in p38KO CTCs compared to WT cells. OS induced by CSE evoked senescence and senescence-associated secretory phenotype (SASP as indicated by IL-6 and IL-8 increase) in WT but not in p38MAPK KO CTCs. No changes were noted in HLA-G expression regardless of the status of p38MAPK. Neither CSE nor TGF-ß evoked EMT in either WT or p38 KO CTCs. CONCLUSION Senescence and senescence-associated inflammation in human fetal CTCs are mediated by p38MAPK. Compared to amnion epithelial cells, CTCs are resistant to EMT. This refractoriness may help them to maintain the barrier functions at the choriodecidual interface.
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Affiliation(s)
- Brett Goldman
- Division of Basic and Translational Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Enkhtuya Radnaa
- Division of Basic and Translational Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Talar Kechichian
- Division of Basic and Translational Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Ramkumar Menon
- Division of Basic and Translational Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
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Cheng W, Zhang L, Sa P, Luo J, Li M. Transcriptomic analysis reveals the effects of maternal selenium deficiency on placental transport, hormone synthesis, and immune response in mice. METALLOMICS : INTEGRATED BIOMETAL SCIENCE 2022; 14:6674774. [PMID: 36002020 DOI: 10.1093/mtomcs/mfac062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 08/19/2022] [Indexed: 11/14/2022]
Abstract
Selenium deficiency has been considered to increase the risk of gestational complications. Our previous work showed that maternal selenium deficiency suppressed proliferation, induced autophagy dysfunction and apoptosis in the placenta of mice. However, other effects of maternal selenium deficiency on the placenta and the underlying mechanisms remain unclear. In the present study, dietary selenium deficiency in dams significantly suppressed glutathione peroxidase (GSH-Px) activity, total antioxidant capacity (T-AOC), and increased malondialdehyde (MDA) content in the placentae, confirming the oxidative stress in the placenta. By transcriptome sequencing analysis, the DEGs were involved in many biological processes, including ion transport, lipid metabolic process, immune response, transmembrane transport, and others. According to the KEGG analysis, the DEGs were primarily enriched in metabolic pathways, PI3K-Akt signaling pathway, and others. Among these, the steroid hormone biosynthesis pathway enriched the most DEGs. Hsd3b1, an ER enzyme involved in progesterone synthesis, was validated downregulated. Consistently, the progesterone content in the serum of the selenium-deficient group was decreased. Ion transporters and transmembrane transporters, such as Heph, Trf, Slc39a8, Slc23a1, Atp7b, and Kcnc1, were reduced in the selenium-deficient placentae. Immune response-related genes, including Ccl3, Ccl8, Cxcl10, and Cxcl14, were increased in the selenium-deficient placentae, along with an increase in macrophage number. These results suggested that maternal selenium deficiency may impair progesterone biosynthesis, reduce nutrient transporters expression, and promote immune response by increasing the oxidative stress of the placentae. This present study provides a novel insight into the possible cause of placenta disorder during pregnancy.
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Affiliation(s)
- Wanpeng Cheng
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogen Biology and Immunology, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Lantian Zhang
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogen Biology and Immunology, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China.,Department of Anatomy, Basic Medical College, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Peiyue Sa
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogen Biology and Immunology, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China.,Department of Anatomy, Basic Medical College, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Jing Luo
- Department of Clinical Medicine, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Mengdi Li
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogen Biology and Immunology, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China.,Department of Anatomy, Basic Medical College, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
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Abstract
PURPOSE OF REVIEW Women's fertility decay starts at the mid 30 s. However, the current delay of childbearing leads to ovarian aging and the need of assisted reproduction technologies (ART). Telomere biology is one of the main pathways involved in organismal aging. Thus, this review will focus on the knowledge acquired during the last 2 years about the telomere pathway and its influence on female fertility and the consequences for the newborn. RECENT FINDINGS New research on telomere biology reaffirms the relationship of telomere attrition and female infertility. Shorter maternal telomeres, which could be aggravated by external factors, underly premature ovarian aging and other complications including preeclampsia, preterm birth and idiopathic pregnancy loss. Finally, the telomere length of the fetus or the newborn is also affected by external factors, such as stress and nutrition. SUMMARY Recent evidence shows that telomeres are implicated in most processes related to female fertility, embryo development and the newborn's health. Thus, telomere length and telomerase activity may be good biomarkers for early detection of ovarian and pregnancy failures, opening the possibility to use telomere therapies to try to solve the infertility situation.
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Pedroza-Diaz J, Arroyave-Ospina JC, Serna Salas S, Moshage H. Modulation of Oxidative Stress-Induced Senescence during Non-Alcoholic Fatty Liver Disease. Antioxidants (Basel) 2022; 11:antiox11050975. [PMID: 35624839 PMCID: PMC9137746 DOI: 10.3390/antiox11050975] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/18/2022] [Accepted: 05/05/2022] [Indexed: 01/10/2023] Open
Abstract
Non-alcoholic fatty liver disease is characterized by disturbed lipid metabolism and increased oxidative stress. These conditions lead to the activation of different cellular response mechanisms, including senescence. Cellular senescence constitutes an important response to injury in the liver. Recent findings show that chronic oxidative stress can induce senescence, and this might be a driving mechanism for NAFLD progression, aggravating the disturbance of lipid metabolism, organelle dysfunction, pro-inflammatory response and hepatocellular damage. In this context, the modulation of cellular senescence can be beneficial to ameliorate oxidative stress-related damage during NAFLD progression. This review focuses on the role of oxidative stress and senescence in the mechanisms leading to NAFLD and discusses the possibilities to modulate senescence as a therapeutic strategy in the treatment of NAFLD.
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Affiliation(s)
- Johanna Pedroza-Diaz
- University Medical Center Groningen, Department of Gastroenterology and Hepatology, University of Groningen, 9712 CP Groningen, The Netherlands; (J.P.-D.); (S.S.S.); (H.M.)
- Grupo de Investigación e Innovación Biomédica GI2B, Facultad de Ciencias Exactas y Aplicadas, Instituto Tecnológico Metropolitano, Medellín 050536, Colombia
| | - Johanna C. Arroyave-Ospina
- University Medical Center Groningen, Department of Gastroenterology and Hepatology, University of Groningen, 9712 CP Groningen, The Netherlands; (J.P.-D.); (S.S.S.); (H.M.)
- Correspondence:
| | - Sandra Serna Salas
- University Medical Center Groningen, Department of Gastroenterology and Hepatology, University of Groningen, 9712 CP Groningen, The Netherlands; (J.P.-D.); (S.S.S.); (H.M.)
| | - Han Moshage
- University Medical Center Groningen, Department of Gastroenterology and Hepatology, University of Groningen, 9712 CP Groningen, The Netherlands; (J.P.-D.); (S.S.S.); (H.M.)
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Menon R. Fetal inflammatory response at the fetomaternal interface: A requirement for labor at term and preterm. Immunol Rev 2022; 308:149-167. [PMID: 35285967 DOI: 10.1111/imr.13075] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 03/04/2022] [Indexed: 12/20/2022]
Abstract
Human parturition at term and preterm is an inflammatory process synchronously executed by both fetomaternal tissues to transition them from a quiescent state t an active state of labor to ensure delivery. The initiators of the inflammatory signaling mechanism can be both maternal and fetal. The placental (fetal)-maternal immune and endocrine mediated homeostatic imbalances and inflammation are well reported. However, the fetal inflammatory response (FIR) theories initiated by the fetal membranes (amniochorion) at the choriodecidual interface are not well established. Although immune cell migration, activation, and production of proparturition cytokines to the fetal membranes are reported, cellular level events that can generate a unique set of inflammation are not well discussed. This review discusses derangements to fetal membrane cells (physiologically and pathologically at term and preterm, respectively) in response to both endogenous and exogenous factors to generate inflammatory signals. In addition, the mechanisms of inflammatory signal propagation (fetal signaling of parturition) and how these signals cause immune imbalances at the choriodecidual interface are discussed. In addition to maternal inflammation, this review projects FIR as an additional mediator of inflammatory overload required to promote parturition.
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Affiliation(s)
- Ramkumar Menon
- Division of Basic Science and Translational Research, Department of Obstetrics & Gynecology, The University of Texas Medical Branch, Galveston, Texas, USA
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Probiotics-Derived Extracellular Vesicles Protect Oxidative Stress against H2O2 Induction in Placental Cells. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8020074] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
(1) Background: The microbial phase in the vaginal environment has been found to regulate the physiological activity of host cells. Studies have demonstrated that abnormal microbial growth in the vagina and a significant reduction in the proportion of lactic acid bacteria promote the occurrence of spontaneous preterm birth (sPTB). However, the contributing mechanism remains unknown. (2) Methods: This study uses extracellular vesicles (EVs) secreted by the probiotic Lactobacillus crispatus, commonly found in the vagina, to explore their potential to attenuate placental cells caused by oxidative stress induction. (3) Results: We found that L. crispatus-derived EVs improved Akt phosphorylation and attenuated both cell senescence and death in placental cells caused by oxidative stress induction. In addition, L. crispatus-derived EVs enhanced the resistance to H2O2 induction mediated by increasing mitochondrial fusion. (4) Conclusion: This is the first study to demonstrate that L. crispatus in the vagina can not only regulate the physiological functions of placental cells through the delivery of L. crispatus-EVs but also reduce cell senescence. As cell senescence is related to the occurrence of sPTB, these results indicate that maintaining the population of L. crispatus in the vaginal environment should be an adjuvant treatment strategy to avoid sPTB.
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