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Ghorab D, Abu-El-Rub EM, Gharaibeh MH, Yehya A, Khasawneh RR, Matalqah LM, Helaly AM. Neurological Effects of Combining Low Toxic Dose of Tramadol and Nicotine: An Animal Model Evidence of Endoplasmic Reticulum Stress. BIOMED RESEARCH INTERNATIONAL 2023; 2023:1953356. [PMID: 37593523 PMCID: PMC10432102 DOI: 10.1155/2023/1953356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/17/2023] [Accepted: 07/21/2023] [Indexed: 08/19/2023]
Abstract
Tramadol abuse is a common problem in the Middle East in conjunction with smoking. The current study applied immunohistochemistry, western blot, real-time PCR, and ELISA to test the combination toxicity. Low toxic doses of tramadol induced animal brain cortex inflammation and hippocampus injury. Adding nicotine reverted hippocampus pathological changes without triggering marked brain injury. The expression of CHOP protein with real-time PCR showed mild endoplasmic reticulum stress (ER) in rat's brain. Histological, immunohistochemical, and western blotting analysis of CHOP (CCAAT-enhancer-binding protein homologous protein) and BIP (immunoglobulin heavy chain-binding protein) chaperones demonstrated endoplasmic reticulum stress in the brains of animals. Furthermore, the levels of apoptosis and autophagy markers demonstrated a mild reaction. The blood level of serotonin was high in all study groups, with a marked increase in the combined one. The high serotonin levels in the blood can be critical and associated with a high risk of serious withdrawal and pathological consequences. Serotonin receptor blockers such as olanzapine may increase systemic serotonin levels and need further investigation to utterly pinpoint their roles in managing mood disorders. In conclusion, the combination of tramadol and nicotine is less harmful than expected. However, serious withdrawal effects can occur as a result of high systemic serotonin effects.
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Affiliation(s)
- Doaa Ghorab
- Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Yarmouk, Irbid, Jordan
- Pathology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Ejlal M. Abu-El-Rub
- Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Yarmouk, Irbid, Jordan
| | - Mohamed Hamdi Gharaibeh
- Department of Basic Veterinary Medical Sciences, Faculty of Veterinary, Jordan University of Science and Technology, Irbid, Jordan
| | - Alaa Yehya
- Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Yarmouk University, Irbid, Jordan
| | - Ramada R. Khasawneh
- Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Yarmouk, Irbid, Jordan
| | - Laila M. Matalqah
- Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Yarmouk, Irbid, Jordan
| | - Ahmed Mohamed Helaly
- Forensic Medicine and Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
- Clinical Sciences Department, Faculty of Medicine, Yarmouk University, Irbid, Jordan
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2
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Beltrán-Castillo S, Bravo K, Eugenín J. Impact of Prenatal Nicotine Exposure on Placental Function and Respiratory Neural Network Development. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1428:233-244. [PMID: 37466776 DOI: 10.1007/978-3-031-32554-0_10] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Smoking during pregnancy is associated with multiple undesirable outcomes in infants, such as low birth weight, increased neonatal morbidity and mortality, and catastrophic conditions like sudden infant death syndrome (SIDS). Nicotine, the most addictive and teratogenic substance in tobacco smoke, reaches and crosses the placenta and can be accumulated in the amniotic fluid and distributed by fetal circulation, altering the cholinergic transmission by acting on the nicotinic acetylcholine receptors (nAChRs) expressed from very early gestational stages in the placenta and fetal tissue. Because nAChRs influence the establishment of feto-maternal circulation and the emergence of neuronal networks, prenatal nicotine exposure can lead to multiple alterations in newborns. In this mini-review, we discuss the undeniable effects of nicotine in the placenta and the respiratory neural network as examples of how prenatal nicotine and smoking exposition can affect brain development because dysfunction in this network is involved in SIDS etiology.
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Affiliation(s)
- Sebastián Beltrán-Castillo
- Centro integrativo de Biología y Química Aplicada (CIBQA), Universidad Bernardo O'Higgins, Santiago, Chile.
| | - Karina Bravo
- Laboratorio de Sistemas Neurales, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile USACH, Santiago, Chile
- Facultad de Ingeniería, Universidad Autónoma de Chile, Santiago, Chile
| | - Jaime Eugenín
- Laboratorio de Sistemas Neurales, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile USACH, Santiago, Chile.
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3
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Zhao Y, Pasanen M, Rysä J. Placental ion channels: potential target of chemical exposure. Biol Reprod 2022; 108:41-51. [PMID: 36173899 PMCID: PMC9843680 DOI: 10.1093/biolre/ioac186] [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: 07/03/2022] [Revised: 09/23/2022] [Accepted: 09/29/2022] [Indexed: 01/21/2023] Open
Abstract
The placenta is an important organ for the exchange of substances between the fetus and the mother, hormone secretion, and fetoplacental immunological defense. Placenta has an organ-specific distribution of ion channels and trophoblasts, and placental vessels express a large number of ion channels. Several placental housekeeping activities and pregnancy complications are at least partly controlled by ion channels, which are playing an important role in regulating hormone secretion, trophoblastic homeostasis, ion transport, and vasomotor activity. The function of several placental ion channels (Na, Ca, and Cl ion channels, cation channel, nicotinic acetylcholine receptors, and aquaporin-1) is known to be influenced by chemical exposure, i.e., their responses to different chemicals have been tested and confirmed in experimental models. Here, we review the possibility that placental ion channels are targets of toxicological concern in terms of placental function, fetal growth, and development.
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Affiliation(s)
- Yi Zhao
- Department of Obstetrics, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Markku Pasanen
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Jaana Rysä
- Correspondence: School of Pharmacy, University of Eastern Finland, POB 1627, Kuopio 70211, Finland. Tel: +358403552412; E-mail:
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4
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Nicotine Affects Multiple Biological Processes in EpiDermTM Organotypic Tissues and Keratinocyte Monolayers. ATMOSPHERE 2022. [DOI: 10.3390/atmos13050810] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Dermal exposure to nicotine is common due to the widespread use of tobacco products. Here, we assessed the effects of nicotine at concentrations found in thirdhand smoke (THS) contaminated environments and electronic cigarette (EC) spills or leaks on a 3D human skin model (EpiDermTM) and on submerged keratinocyte cultures. Air liquid interface treatment of EpiDermTM with 10 or 400 μg/mL of nicotine for 24 h followed by proteomics analysis showed altered pathways related to inflammation, protein synthesis, cell–cell adhesion, apoptosis, and mitochondrial function. Submerged cultured keratinocytes were used to validate the proteomics data and further characterize the response of skin cells to nicotine. Mitochondrial phenotype changed from networked to punctate in keratinocytes treated with 10 or 400 μg/mL of nicotine for 48 h and 24 h, respectively. After 72 h, all concentrations of nicotine caused a significant decrease in the networked phenotype. In Western blots, keratinocytes exposed to 400 μg/mL of nicotine had a significant decrease in mitofusin 2, while mitofusin 1 decreased after 72 h. The shift from networked to punctate mitochondria correlated with a decrease in mitofusin 1/2, a protein needed to establish and maintain the networked phenotype. Mitochondrial changes were reversible after a 24 h recovery period. Peroxisomes exposed to 400 μg/mL of nicotine for 24 h became enlarged and were fewer in number. Nicotine concentrations in THS and EC spills altered the proteome profile in EpiDermTM and damaged organelles including mitochondria and peroxisomes, which are involved in ROS homeostasis. These changes may exacerbate skin infections, inhibit wound healing, and cause oxidative damage to cells in the skin.
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Rosenfeld CS. Transcriptomics and Other Omics Approaches to Investigate Effects of Xenobiotics on the Placenta. Front Cell Dev Biol 2021; 9:723656. [PMID: 34631709 PMCID: PMC8497882 DOI: 10.3389/fcell.2021.723656] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 08/31/2021] [Indexed: 12/25/2022] Open
Abstract
The conceptus is most vulnerable to developmental perturbation during its early stages when the events that create functional organ systems are being launched. As the placenta is in direct contact with maternal tissues, it readily encounters any xenobiotics in her bloodstream. Besides serving as a conduit for solutes and waste, the placenta possesses a tightly regulated endocrine system that is, of itself, vulnerable to pharmaceutical agents, endocrine disrupting chemicals (EDCs), and other environmental toxicants. To determine whether extrinsic factors affect placental function, transcriptomics and other omics approaches have become more widely used. In casting a wide net with such approaches, they have provided mechanistic insights into placental physiological and pathological responses and how placental responses may impact the fetus, especially the developing brain through the placenta-brain axis. This review will discuss how such omics technologies have been utilized to understand effects of EDCs, including the widely prevalent plasticizers bisphenol A (BPA), bisphenol S (BPS), and phthalates, other environmental toxicants, pharmaceutical agents, maternal smoking, and air pollution on placental gene expression, DNA methylation, and metabolomic profiles. It is also increasingly becoming clear that miRNA (miR) are important epigenetic regulators of placental function. Thus, the evidence to date that xenobiotics affect placental miR expression patterns will also be explored. Such omics approaches with mouse and human placenta will assuredly provide key biomarkers that may be used as barometers of exposure and can be targeted by early mitigation approaches to prevent later diseases, in particular neurobehavioral disorders, originating due to placental dysfunction.
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Affiliation(s)
- Cheryl S Rosenfeld
- Biomedical Sciences, University of Missouri, Columbia, MO, United States.,MU Institute for Data Science and Informatics, University of Missouri, Columbia, MO, United States.,Thompson Center for Autism and Neurobehavioral Disorders, University of Missouri, Columbia, MO, United States.,Genetics Area Program, University of Missouri, Columbia, MO, United States
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6
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Thomson S, Waters KA, Hennessy A, Machaalani R. The unfolded protein response and apoptotic regulation in the human placenta due to maternal cigarette smoking and pre-eclampsia. Reprod Toxicol 2021; 105:120-127. [PMID: 34492309 DOI: 10.1016/j.reprotox.2021.09.001] [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: 07/03/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 10/20/2022]
Abstract
Maternal cigarette smoking (CS) and pre-eclampsia (PE) alter placental function and expression of important proteins which maintain homeostasis. Two interlinked pathways of interest are the unfolded protein response (UPR) and apoptosis. The UPR is upregulated in the PE placenta, but no data is available on the effects of CS and how it correlates with apoptotic expression. Samples of human placental tissue from normotensive non-smokers (n = 8), women with PE (n = 8), and CS (n = 8) were analysed using immunohistochemistry for 3 UPR markers (phosphorylated PKR-like endoplasmic reticulum (ER) kinase (pPERK), inositol-requiring enzyme 1 (IRE1), activating transcription factor 6 (ATF6)), and an antibody microarray for 19 apoptotic and stress regulating markers. For the PE group compared to the normotensive group, staining for pPERK was increased in decidual tissue and villi, and for IRE1, the overall percentage of stained villi per field of view was increased. There were no differences in UPR expression comparing CS to controls. Of the apoptotic markers, only IκBα (Ser32/36), which is part of an inhibitory pathway, showed a significant decrease in the PE and CS groups compared to controls. These findings suggest UPR regulation is more evident in PE with a general increase in ER stress due to decreased inhibition of apoptosis as compared to CS for which UPR was not altered.
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Affiliation(s)
- S Thomson
- Faculty of Medicine and Health, The University of Sydney, NSW, 2006, Australia
| | - K A Waters
- Faculty of Medicine and Health, The University of Sydney, NSW, 2006, Australia
| | - A Hennessy
- School of Medicine, Western Sydney University, NSW, 2751, Australia; Heart Research Institute, The University of Sydney, NSW, 2006, Australia
| | - R Machaalani
- Faculty of Medicine and Health, The University of Sydney, NSW, 2006, Australia.
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Chien CY, Chen YC, Hsu CC, Chou YT, Shiah SG, Liu SY, Hsieh ACT, Yen CY, Lee CH, Shieh YS. YAP-Dependent BiP Induction Is Involved in Nicotine-Mediated Oral Cancer Malignancy. Cells 2021; 10:2080. [PMID: 34440849 PMCID: PMC8392082 DOI: 10.3390/cells10082080] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/10/2021] [Accepted: 08/11/2021] [Indexed: 01/18/2023] Open
Abstract
Cigarette smoking is a significant risk factor for the development and progression of oral cancer. Previous studies have reported an association between nicotine and malignancy in oral cancer. Recent studies have also demonstrated that nicotine can induce endoplasmic reticulum (ER) stress in tumor cells. Binding immunoglobulin protein (BiP) acts as a master regulator of ER stress and is frequently overexpressed in oral cancer cell lines and tissues. However, the effect of nicotine on BiP in oral cancer is unknown. Therefore, this study aimed to evaluate the role of BiP and its underlying regulatory mechanisms in nicotine-induced oral cancer progression. Our results showed that nicotine significantly induced the expression of BiP in time- and dose-dependent manners in oral squamous cell carcinoma (OSCC) cells. In addition, BiP was involved in nicotine-mediated OSCC malignancy, and depletion of BiP expression remarkably suppressed nicotine-induced malignant behaviors, including epithelial-mesenchymal transition (EMT) change, migration, and invasion. In vivo, BiP silencing abrogated nicotine-induced tumor growth and EMT switch in nude mice. Moreover, nicotine stimulated BiP expression through the activation of the YAP-TEAD transcriptional complex. Mechanistically, we observed that nicotine regulated YAP nuclear translocation and its interaction with TEAD through α7-nAChR-Akt signaling, subsequently resulting in increased TEAD occupancy on the HSPA5 promoter and elevated promoter activity. These observations suggest that BiP is involved in nicotine-induced oral cancer malignancy and may have therapeutic potential in tobacco-related oral cancer.
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Affiliation(s)
- Chu-Yen Chien
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei 114, Taiwan; (C.-Y.C.); (C.-C.H.)
| | - Ying-Chen Chen
- Molecular and Cell Biology, Taiwan International Graduate Program, Academia Sinica and Graduate Institute of Life Science, National Defense Medical Center, Taipei 114, Taiwan;
| | - Chia-Chen Hsu
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei 114, Taiwan; (C.-Y.C.); (C.-C.H.)
| | - Yu-Ting Chou
- Institute of Biotechnology, National Tsing Hua University, Hsinchu 300, Taiwan;
| | - Shine-Gwo Shiah
- National Institute of Cancer Research, National Health Research Institutes, Miaoli 350, Taiwan;
| | - Shyun-Yeu Liu
- Department of Oral and Maxillofacial Surgery, Chi Mei Medical Center, Tainan 710, Taiwan;
| | | | - Ching-Yu Yen
- Department of Oral and Maxillofacial Surgery, Chi Mei Medical Center, Tainan 710, Taiwan;
- School of Dentistry, Taipei Medical University, Taipei 110, Taiwan
| | - Chien-Hsing Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
- Department and Graduate Institute of Biochemistry, National Defense Medical Center, Taipei 114, Taiwan
| | - Yi-Shing Shieh
- Department and Graduate Institute of Biochemistry, National Defense Medical Center, Taipei 114, Taiwan
- Department of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
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8
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Denkl B, Cordasic N, Huebner H, Menendez-Castro C, Schmidt M, Mocker A, Woelfle J, Hartner A, Fahlbusch FB. No evidence of the unfolded protein response in the placenta of two rodent models of preeclampsia and intrauterine growth restriction. Biol Reprod 2021; 105:449-463. [PMID: 33955453 DOI: 10.1093/biolre/ioab087] [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: 09/01/2020] [Revised: 03/31/2021] [Accepted: 09/01/2020] [Indexed: 11/13/2022] Open
Abstract
In humans, intrauterine growth restriction (IUGR) and preeclampsia (PE) are associated with induction of the unfolded protein response (UPR) and increased placental endoplasmic reticulum (ER) stress. Especially in PE, oxidative stress occurs relative to the severity of maternal vascular underperfusion (MVU) of the placental bed. On the premise that understanding the mechanisms of placental dysfunction could lead to targeted therapeutic options for human IUGR and PE, we investigated the roles of the placental UPR and oxidative stress in two rodent models of these human gestational pathologies. We employed a rat IUGR model of gestational maternal protein restriction, as well as an endothelial nitric oxide synthase knockout mouse model (eNOS-/-) of PE/IUGR. Placental expression of UPR members was analyzed via qRT-PCR (Grp78, Calnexin, Perk, Chop, Atf6, and Ern1), immunohistochemistry, and Western blotting (Calnexin, ATF6, GRP78, CHOP, phospho-eIF2α, and phospho-IRE1). Oxidative stress was determined via Western blotting (3-nitrotyrosine and 4-hydroxy-2-nonenal). Both animal models showed a significant reduction of fetal and placental weight. These effects did not induce placental UPR. In contrast to human data, results from our rodent models suggest retention of placental plasticity in the setting of ER stress under an adverse gestational environment. Oxidative stress was significantly increased only in female IUGR rat placentas, suggesting a sexually dimorphic response to maternal malnutrition. Our study advances understanding of the involvement of the placental UPR in IUGR and PE. Moreover, it emphasizes the appropriate choice of animal models researching various aspects of these pregnancy complications.
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Affiliation(s)
- Barbara Denkl
- Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Nada Cordasic
- Department of Nephrology and Hypertension, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Hanna Huebner
- Department of Gynecology and Obstetrics, Erlangen University Hospital, Comprehensive Cancer Center EMN, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Carlos Menendez-Castro
- Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Marius Schmidt
- Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Alexander Mocker
- Department of Gynecology and Obstetrics, Erlangen University Hospital, Comprehensive Cancer Center EMN, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Joachim Woelfle
- Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Andrea Hartner
- Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Fabian B Fahlbusch
- Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
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Zheng CM, Lee YH, Chiu IJ, Chiu YJ, Sung LC, Hsu YH, Chiu HW. Nicotine Causes Nephrotoxicity through the Induction of NLRP6 Inflammasome and Alpha7 Nicotinic Acetylcholine Receptor. TOXICS 2020; 8:toxics8040092. [PMID: 33114531 PMCID: PMC7711477 DOI: 10.3390/toxics8040092] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/16/2020] [Accepted: 10/20/2020] [Indexed: 12/20/2022]
Abstract
Current cigarette smoking is associated with chronic kidney disease (CKD) or death from end-stage renal disease (ESRD). Mainstream cigarette smoke includes over 4000 compounds. Among the compounds present in tobacco smoke, nicotine is one of a large number of biologically stable and active compounds present in tobacco. However, the mechanisms by which nicotine exacerbates kidney disease progression have not been identified. It is known that the inflammasomes constitute an important innate immune pathway and contribute to the pathophysiology of diverse kidney diseases. The relationship between inflammasomes and nicotine-induced kidney damage still remains unclear. In the present study, we studied the mechanisms of nicotine-induced nephrotoxicity. We found that nicotine decreased cell viability and induced reactive oxygen species (ROS) generation in human kidney cells. Furthermore, nicotine significantly increased the expression of the alpha7 nicotinic acetylcholine receptor (α7nAChR). Nicotine activated the NLRP6 inflammasome and induced endoplasmic reticulum (ER) stress. Nicotine caused mild apoptosis and necrosis but triggered significant autophagy in human kidney cells. In addition, nicotine induced the NLRP6 inflammasome and autophagy via α7nAChR. In an animal model, the histological analysis in kidney showed evident changes and injury. The results indicated that α7nAChR, IRE1α, LC3 and NLRP6 expression in kidney sections was markedly increased in the nicotine groups. These findings suggest that nicotine causes kidney damage by modulating α7nAChR, NLRP6 inflammasome, ER stress and autophagy.
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Affiliation(s)
- Cai-Mei Zheng
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan;
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan; (I.-J.C.); (Y.-J.C.)
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11031, Taiwan
| | - Yu-Hsuan Lee
- Department of Cosmeceutics, China Medical University, Taichung 40604, Taiwan;
| | - I-Jen Chiu
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan; (I.-J.C.); (Y.-J.C.)
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11031, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Yu-Jhe Chiu
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan; (I.-J.C.); (Y.-J.C.)
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Li-Chin Sung
- Division of Cardiology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan;
- Division of Cardiology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan
- Taipei Heart Institute, Taipei Medical University, Taipei 11031, Taiwan
| | - Yung-Ho Hsu
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan;
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan; (I.-J.C.); (Y.-J.C.)
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11031, Taiwan
- Correspondence: (Y.-H.H.); (H.-W.C.); Tel.: +886-2-22490088 (ext. 8156) (Y.-H.H.); +886-2-22490088 (ext. 8884) (H.-W.C.)
| | - Hui-Wen Chiu
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan; (I.-J.C.); (Y.-J.C.)
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei 11031, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Correspondence: (Y.-H.H.); (H.-W.C.); Tel.: +886-2-22490088 (ext. 8156) (Y.-H.H.); +886-2-22490088 (ext. 8884) (H.-W.C.)
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10
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Suter MA, Aagaard KM. The impact of tobacco chemicals and nicotine on placental development. Prenat Diagn 2020; 40:1193-1200. [PMID: 32010988 PMCID: PMC7396310 DOI: 10.1002/pd.5660] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/23/2019] [Accepted: 01/19/2020] [Indexed: 12/12/2022]
Abstract
Despite decades of messages warning about the dangers of tobacco use in pregnancy, 10% to 15% of pregnant women continue to smoke. Furthermore, an increased popularity of electronic nicotine delivery systems (ENDS) over the past decade in women of childbearing age raises parallel concerns regarding the effects of vaporized nicotine use in pregnancy. While research using animal models which mimic tobacco smoke and nicotine exposure in pregnancy have largely replicated findings in humans, few studies focus directly on the effects of these exposures on the placenta. Because the placenta is a fetal derived tissue, and nicotine and other components of tobacco smoke are either processed by or transported directly through the placenta, such studies help us understand the risks of these exposures on the developing fetus. In this review, we summarize research on the placenta and placental-derived cells examining either tobacco smoke or nicotine exposure, including both histologic and subcellular (ie, epigenetic and molecular) modifications. Collectively, these studies reveal that tobacco and nicotine exposure are accompanied by some common and several unique molecular and epigenomic placental modifications. Consideration of the nature and sequelae of these molecular mediators of risk may help to better inform the public and more effectively curtail modifiable behavior.
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Affiliation(s)
- Melissa A Suter
- Baylor College of Medicine, Department of Obstetrics and Gynecology, Houston, TX
| | - Kjersti M Aagaard
- Baylor College of Medicine, Department of Obstetrics and Gynecology, Houston, TX
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11
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Ishibashi T, Morita S, Kishimoto S, Uraki S, Takeshima K, Furukawa Y, Inaba H, Ariyasu H, Iwakura H, Furuta H, Nishi M, Papa FR, Akamizu T. Nicotinic acetylcholine receptor signaling regulates inositol-requiring enzyme 1α activation to protect β-cells against terminal unfolded protein response under irremediable endoplasmic reticulum stress. J Diabetes Investig 2020; 11:801-813. [PMID: 31925927 PMCID: PMC7378412 DOI: 10.1111/jdi.13211] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 12/22/2019] [Accepted: 01/05/2020] [Indexed: 01/09/2023] Open
Abstract
AIMS/INTRODUCTION Under irremediable endoplasmic reticulum (ER) stress, hyperactivated inositol-requiring enzyme 1α (IRE1α) triggers the terminal unfolded protein response (T-UPR), causing crucial cell dysfunction and apoptosis. We hypothesized that nicotinic acetylcholine receptor (nAChR) signaling regulates IRE1α activation to protect β-cells from the T-UPR under ER stress. MATERIALS AND METHODS The effects of nicotine on IRE1α activation and key T-UPR markers, thioredoxin-interacting protein and insulin/proinsulin, were analyzed by real-time polymerase chain reaction and western blotting in rat INS-1 and human EndoC-βH1 β-cell lines. Doxycycline-inducible IRE1α overexpression or ER stress agents were used to induce IRE1α activation. An α7 subunit-specific nAChR agonist (PNU-282987) and small interfering ribonucleic acid for α7 subunit-specific nAChR were used to modulate nAChR signaling. RESULTS Nicotine inhibits the increase in thioredoxin-interacting protein and the decrease in insulin 1/proinsulin expression levels induced by either forced IRE1α hyperactivation or ER stress agents. Nicotine attenuated X-box-binding protein-1 messenger ribonucleic acid site-specific splicing and IRE1α autophosphorylation induced by ER stress. Furthermore, PNU-282987 attenuated T-UPR induction by either forced IRE1α activation or ER stress agents. The effects of nicotine on attenuating thioredoxin-interacting protein and preserving insulin 1 expression levels were attenuated by pharmacological and genetic inhibition of α7 nAChR. Finally, nicotine suppressed apoptosis induced by either forced IRE1α activation or ER stress agents. CONCLUSIONS Our findings suggest that nAChR signaling regulates IRE1α activation to protect β-cells from the T-UPR and apoptosis under ER stress partly through α7 nAChR. Targeting nAChR signaling to inhibit the T-UPR cascade may therefore hold therapeutic promise by thwarting β-cell death in diabetes.
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Affiliation(s)
- Tatsuya Ishibashi
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Shuhei Morita
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Shohei Kishimoto
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Shinsuke Uraki
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Ken Takeshima
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Yasushi Furukawa
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Hidefumi Inaba
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Hiroyuki Ariyasu
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Hiroshi Iwakura
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Hiroto Furuta
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Masahiro Nishi
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
| | - Feroz R Papa
- Department of MedicineUniversity of CaliforniaSan FranciscoCaliforniaUSA
- Diabetes CenterUniversity of CaliforniaSan FranciscoCaliforniaUSA
- Quantitative Biosciences InstituteUniversity of CaliforniaSan FranciscoCaliforniaUSA
| | - Takashi Akamizu
- The First Department of MedicineWakayama Medical UniversityWakayamaJapan
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12
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Manevski M, Muthumalage T, Devadoss D, Sundar IK, Wang Q, Singh KP, Unwalla HJ, Chand HS, Rahman I. Cellular stress responses and dysfunctional Mitochondrial-cellular senescence, and therapeutics in chronic respiratory diseases. Redox Biol 2020; 33:101443. [PMID: 32037306 PMCID: PMC7251248 DOI: 10.1016/j.redox.2020.101443] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 01/14/2020] [Accepted: 01/22/2020] [Indexed: 02/06/2023] Open
Abstract
The abnormal inflammatory responses due to the lung tissue damage and ineffective repair/resolution in response to the inhaled toxicants result in the pathological changes associated with chronic respiratory diseases. Investigation of such pathophysiological mechanisms provides the opportunity to develop the molecular phenotype-specific diagnostic assays and could help in designing the personalized medicine-based therapeutic approaches against these prevalent diseases. As the central hubs of cell metabolism and energetics, mitochondria integrate cellular responses and interorganellar signaling pathways to maintain cellular and extracellular redox status and the cellular senescence that dictate the lung tissue responses. Specifically, as observed in chronic obstructive pulmonary disease (COPD) and pulmonary fibrosis, the mitochondria-endoplasmic reticulum (ER) crosstalk is disrupted by the inhaled toxicants such as the combustible and emerging electronic nicotine-delivery system (ENDS) tobacco products. Thus, the recent research efforts have focused on understanding how the mitochondria-ER dysfunctions and oxidative stress responses can be targeted to improve inflammatory and cellular dysfunctions associated with these pathologic illnesses that are exacerbated by viral infections. The present review assesses the importance of these redox signaling and cellular senescence pathways that describe the role of mitochondria and ER on the development and function of lung epithelial responses, highlighting the cause and effect associations that reflect the disease pathogenesis and possible intervention strategies.
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Affiliation(s)
- Marko Manevski
- Department of Immunology and NanoMedicine, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Thivanka Muthumalage
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Dinesh Devadoss
- Department of Immunology and NanoMedicine, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Isaac K Sundar
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Qixin Wang
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Kameshwar P Singh
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Hoshang J Unwalla
- Department of Immunology and NanoMedicine, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Hitendra S Chand
- Department of Immunology and NanoMedicine, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA.
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13
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Lojpur T, Easton Z, Raez-Villanueva S, Laviolette S, Holloway AC, Hardy DB. Δ9-Tetrahydrocannabinol leads to endoplasmic reticulum stress and mitochondrial dysfunction in human BeWo trophoblasts. Reprod Toxicol 2019; 87:21-31. [PMID: 31054322 DOI: 10.1016/j.reprotox.2019.04.008] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 04/05/2019] [Accepted: 04/30/2019] [Indexed: 02/07/2023]
Abstract
While studies have demonstrated that the main psychoactive component of cannabis, Δ9-tetrahydrocannabinol (Δ9-THC) alone induces placental insufficiency and fetal growth restriction, the underlying mechanisms remain elusive. Given that both (i) endoplasmic reticulum (ER) stress in pregnancy and (ii) gestational exposure to Δ9-THC leads to placental deficiency, we hypothesized that Δ9-THC may directly induce placental ER stress, influencing trophoblast gene expression and mitochondrial function. BeWo human trophoblast cells treated with Δ9-THC (3-30 μM) led to a dose-dependent increase in all ER stress markers and CHOP; these effects could be blocked with CB1R/CB2R antagonists. Moreover, expression of ER stress-sensitive genes ERRγ, VEGFA, and FLT-1 were increased by Δ9-THC, and abrogated with the ER stress inhibitor TUDCA. Δ9-THC also diminished mitochondrial respiration and ATP-coupling due to decreased abundance of mitochondrial chain complex proteins. Collectively, these findings indicate that Δ9-THC can directly augment ER stress resulting in aberrant placental gene expression and impaired mitochondrial function.
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Affiliation(s)
- Tina Lojpur
- Department of Physiology and Pharmacology, Western University, London, Ontario, Canada; Departments of Obstetrics and Gynecology, Children's Health Research Institute, Lawson, Health Research Institute, Western University, London, Ontario, Canada
| | - Zachary Easton
- Department of Physiology and Pharmacology, Western University, London, Ontario, Canada; Departments of Obstetrics and Gynecology, Children's Health Research Institute, Lawson, Health Research Institute, Western University, London, Ontario, Canada
| | | | - Steven Laviolette
- Department of Anatomy and Cell Biology, Western University, London, Ontario, Canada
| | - Alison C Holloway
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario, Canada
| | - Daniel B Hardy
- Department of Physiology and Pharmacology, Western University, London, Ontario, Canada; Departments of Obstetrics and Gynecology, Children's Health Research Institute, Lawson, Health Research Institute, Western University, London, Ontario, Canada.
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14
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Guo H, Tian L, Zhang JZ, Kitani T, Paik DT, Lee WH, Wu JC. Single-Cell RNA Sequencing of Human Embryonic Stem Cell Differentiation Delineates Adverse Effects of Nicotine on Embryonic Development. Stem Cell Reports 2019; 12:772-786. [PMID: 30827876 PMCID: PMC6449785 DOI: 10.1016/j.stemcr.2019.01.022] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/28/2019] [Accepted: 01/28/2019] [Indexed: 12/22/2022] Open
Abstract
Nicotine, the main chemical constituent of tobacco, is highly detrimental to the developing fetus by increasing the risk of gestational complications and organ disorders. The effects of nicotine on human embryonic development and related mechanisms, however, remain poorly understood. Here, we performed single-cell RNA sequencing (scRNA-seq) of human embryonic stem cell (hESC)-derived embryoid body (EB) in the presence or absence of nicotine. Nicotine-induced lineage-specific responses and dysregulated cell-to-cell communication in EBs, shedding light on the adverse effects of nicotine on human embryonic development. In addition, nicotine reduced cell viability, increased reactive oxygen species (ROS), and altered cell cycling in EBs. Abnormal Ca2+ signaling was found in muscle cells upon nicotine exposure, as verified in hESC-derived cardiomyocytes. Consequently, our scRNA-seq data suggest direct adverse effects of nicotine on hESC differentiation at the single-cell level and offer a new method for evaluating drug and environmental toxicity on human embryonic development in utero.
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Affiliation(s)
- Hongchao Guo
- Stanford Cardiovascular Institute, 265 Campus Drive G1120B, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Lei Tian
- Stanford Cardiovascular Institute, 265 Campus Drive G1120B, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Joe Z Zhang
- Stanford Cardiovascular Institute, 265 Campus Drive G1120B, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Tomoya Kitani
- Stanford Cardiovascular Institute, 265 Campus Drive G1120B, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - David T Paik
- Stanford Cardiovascular Institute, 265 Campus Drive G1120B, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Won Hee Lee
- Department of Basic Medical Sciences, University of Arizona College of Medicine, Phoenix, AZ 85004, USA
| | - Joseph C Wu
- Stanford Cardiovascular Institute, 265 Campus Drive G1120B, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford, CA 94305, USA; Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
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15
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Tsai SY, Bendriem RM, Lee CTD. The cellular basis of fetal endoplasmic reticulum stress and oxidative stress in drug-induced neurodevelopmental deficits. Neurobiol Stress 2019; 10:100145. [PMID: 30937351 PMCID: PMC6430408 DOI: 10.1016/j.ynstr.2018.100145] [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: 02/28/2018] [Revised: 12/02/2018] [Accepted: 12/26/2018] [Indexed: 11/30/2022] Open
Abstract
Prenatal substance exposure is a growing public health concern worldwide. Although the opioid crisis remains one of the most prevalent addiction problems in our society, abuse of cocaine, methamphetamines, and other illicit drugs, particularly amongst pregnant women, are nonetheless significant and widespread. Evidence demonstrates prenatal drug exposure can affect fetal brain development and thus can have long-lasting impact on neurobehavioral and cognitive performance later in life. In this review, we highlight research examining the most prevalent drugs of abuse and their effects on brain development with a focus on endoplasmic reticulum stress and oxidative stress signaling pathways. A thorough exploration of drug-induced cellular stress mechanisms during prenatal brain development may provide insight into therapeutic interventions to combat effects of prenatal drug exposure.
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Affiliation(s)
- S-Y.A. Tsai
- Integrative Neuroscience Branch, Division of Neuroscience and Behavior, National Institute on Drug Abuse, The National Institute of Health, Department of Health and Human Services, Bethesda, MD, 20892, USA
| | - Raphael M. Bendriem
- Center for Neurogenetics, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Chun-Ting D. Lee
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, USA
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16
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Lin F, Liao C, Sun Y, Zhang J, Lu W, Bai Y, Liao Y, Li M, Ni X, Hou Y, Qi Y, Chen Y. Hydrogen Sulfide Inhibits Cigarette Smoke-Induced Endoplasmic Reticulum Stress and Apoptosis in Bronchial Epithelial Cells. Front Pharmacol 2017; 8:675. [PMID: 29033840 PMCID: PMC5625329 DOI: 10.3389/fphar.2017.00675] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 09/08/2017] [Indexed: 01/23/2023] Open
Abstract
Background: Apoptosis of lung structural cells contributes to the process of lung damage and remodeling in chronic obstructive pulmonary disease (COPD). Our previous studies demonstrated that exogenous hydrogen sulfide (H2S) can reduce the lung tissue pathology score, anti-inflammation and anti-oxidation effects in COPD, but the effect of H2S in regulating cigarette smoke (CS) induced bronchial epithelial cell apoptosis and the underlying mechanisms are not clear. Objectives: To investigate the effect of H2S on CS induced endoplasmic reticulum stress (ERS) and bronchial epithelial cell apoptosis. Methods: Male Sprague–Dawley rats randomly divided into four groups for treatment: control, CS, NaHS + CS, and propargylglycine (PPG) + CS. The rats in the CS group were exposed to CS generated from 20 commercial unfiltered cigarettes for 4 h/day, 7 days/week for 4 months. Since the beginning of the third month, freshly prepared NaHS (14 μmol/kg) and PPG (37.5 mg/kg) were intraperitoneally administered 30 min before CS-exposure in the NaHS and PPG groups. 16HBE cells were pretreated with Taurine (10 mM), 5 mmol/L 4-phenylbutyric acid (4-PBA) or NaHS (100, 200, and 400 μM) for 30 min, and then cells were exposed to 40 μmol/L nicotine for 72 h. ERS markers (GRP94, GRP78) and ERS-mediated apoptosis markers 4-C/EBP homologous protein (CHOP), caspase-3 and caspase-12 were assessed in rat lung tissues and human bronchial epithelial cells. The apoptotic bronchial epithelial cells were detected by Hoechst staining in vitro and TUNEL staining in vivo. Results: In CS exposed rats, peritoneal injection of NaHS significantly inhibited CS induced overexpression ERS-mediated apoptosis markers and upregulation of apoptotic rate in rat lungs, and inhibiting the endogenous H2S production by peritoneal injection of PPG exacerbated these effects. In the nicotine-exposed bronchial epithelial cells, appropriate concentration of NaHS and ERS inhibitors taurine and 4-PBA inhibited nicotine-induced upregulation of apoptotic rate and overexpression of ERS-mediated apoptosis markers. Conclusion: H2S inhibited lung tissue damage by attenuating CS induced ERS in rat lung and exogenous H2S attenuated nicotine induced ERS-mediated apoptosis in bronchial epithelial cells.
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Affiliation(s)
- Fan Lin
- Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China.,Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, China
| | - Chengcheng Liao
- Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Yun Sun
- Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Jinsheng Zhang
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing, China
| | - Weiwei Lu
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing, China
| | - Yu Bai
- Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Yixuan Liao
- Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Minxia Li
- Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China
| | - Xianqiang Ni
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing, China
| | - Yuelong Hou
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing, China
| | - Yongfen Qi
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing, China
| | - Yahong Chen
- Department of Respiratory and Critical Care Medicine, Peking University Third Hospital, Beijing, China
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17
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Barra NG, Lisyansky M, Vanduzer TA, Raha S, Holloway AC, Hardy DB. Maternal nicotine exposure leads to decreased cardiac protein disulfide isomerase and impaired mitochondrial function in male rat offspring. J Appl Toxicol 2017; 37:1517-1526. [PMID: 28681937 DOI: 10.1002/jat.3503] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 05/24/2017] [Accepted: 05/26/2017] [Indexed: 11/08/2022]
Abstract
Smoking throughout pregnancy can lead to complications during gestation, parturition and neonatal development. Thus, nicotine replacement therapies are a popular alternative thought to be safer than cigarettes. However, recent studies in rodents suggest that fetal and neonatal nicotine exposure alone results in cardiac dysfunction and high blood pressure. While it is well known that perinatal nicotine exposure causes increased congenital abnormalities, the mechanisms underlying longer-term deficits in cardiac function are not completely understood. Recently, our laboratory demonstrated that nicotine impairs placental protein disulfide isomerase (PDI) triggering an increase in endoplasmic reticulum stress, leading us to hypothesize that this may also occur in the heart. At 3 months of age, nicotine-exposed offspring had 45% decreased PDI levels in the absence of endoplasmic reticulum stress. Given the association of PDI and superoxide dismutase enzymes, we further observed that antioxidant superoxide dismutase-2 levels were reduced by 32% in these offspring concomitant with a 26-49% decrease in mitochondrial complex proteins (I, II, IV and V) and tissue inhibitor of metalloproteinase-4, a critical matrix metalloprotease for cardiac contractility and health. Collectively, this study suggests that perinatal nicotine exposure decreases PDI, which can promote oxidative damage and mitochondrial damage, associated with a premature decline in cardiac function.
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Affiliation(s)
- Nicole G Barra
- Department of Physiology and Pharmacology, Western University, London, Ontario, Canada
| | - Maria Lisyansky
- Department of Physiology and Pharmacology, Western University, London, Ontario, Canada
| | - Taylor A Vanduzer
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario, Canada
| | - Sandeep Raha
- Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
| | - Alison C Holloway
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario, Canada
| | - Daniel B Hardy
- Department of Physiology and Pharmacology, Western University, London, Ontario, Canada.,Departments of Obstetrics and Gynecology, Children's Health Research Institute, Lawson, Health Research Institute, Western University, London, Ontario, Canada
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18
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Roles of Grp78 in Female Mammalian Reproduction. ADVANCES IN ANATOMY, EMBRYOLOGY, AND CELL BIOLOGY 2017; 222:129-155. [PMID: 28389754 DOI: 10.1007/978-3-319-51409-3_7] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The glucose-regulated protein (GRP78) also referred to as immunoglobulin heavy chain binding protein (Bip) is one of the best characterized endoplasmic reticulum (ER) chaperone proteins, which belongs to the heat-shock protein (HSP) family. GRP78 as a central regulator of ER stress (ERS) plays many important roles in cell survival and apoptosis through controlling the activation of transmembrane ERS sensors: PKR-like ER-associated kinase (PERK), inositol requiring kinase 1 (IRE1), and activating transcription factor 6 (ATF6). Many studies have reported that GRP78 is involved in the physiological and pathological process in female reproduction, including follicular development, corpus luteum (CL), oviduct, uterus, embryo, preimplantation development, implantation/decidualization, and the placenta. The present review summarizes the biological or pathological roles and signaling mechanisms of GRP78 during the reproductive processes. Further study on the functions and mechanisms of GRP78 may provide new insight into mammalian reproduction, which not only enhance the understanding of the physiological roles but also support therapy target against infertility.
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