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Maykovich T, Hardy S, Hamann MT, Cray J. Manzamine-A Alters In Vitro Calvarial Osteoclast Function. JOURNAL OF NATURAL PRODUCTS 2024; 87:560-566. [PMID: 38383319 PMCID: PMC11173362 DOI: 10.1021/acs.jnatprod.3c01097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Manzamine-A is a marine-derived alkaloid that has demonstrated antimalarial and antiproliferative properties and is an emerging drug lead compound as a possible intervention in certain cancers. This compound has been found to modulate SIX1 gene expression, a target that is critical for the proliferation and survival of cells via various developmental pathways. As yet, little research has focused on manzamine-A and how its use may affect tissue systems including bone. Here we hypothesized that manzamine-A, through its interaction with SIX1, would alter precursor cells that give rise to the bone cell responsible for remodeling: the osteoclast. We further hypothesized reduced effects in differentiated osteoclasts, as these cells are generally not mitotic. We interrogated the effects of manzamine-A on preosteoclasts and osteoclasts. qrtPCR, MTS cell viability, Caspase 3/7, and TRAP staining were used as a functional assay. Preosteoclasts show responsiveness to manzamine-A treatment exhibited by decreases in cell viability and an increase in apoptosis. Osteoclasts also proved to be affected by manzamine-A but only at higher concentrations where apoptosis was increased and activation was reduced. In summary, our presented results suggest manzamine-A may have significant effects on bone development and health through multiple cell targets, previously shown in the osteoblast cell lineage, the cell responsible for mineralized tissue formation, and here in the osteoclast, the cell responsible for the removal of mineralized tissue and renewal via precipitation of bone remodeling.
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Affiliation(s)
- Tyler Maykovich
- Department of Biomedical Education and Anatomy, The Ohio State University College of Medicine, Columbus, Ohio 43210, United States
| | - Samantha Hardy
- Department of Biomedical Education and Anatomy, The Ohio State University College of Medicine, Columbus, Ohio 43210, United States
| | - Mark T Hamann
- Departments of Drug Discovery and Biomedical Sciences and Public Health, Colleges of Pharmacy and Medicine, Medical University of South Carolina, Charleston, South Carolina 29425-1410, United States
| | - James Cray
- Department of Biomedical Education and Anatomy, The Ohio State University College of Medicine, Columbus, Ohio 43210, United States
- Division of Biosciences, The Ohio State College of Dentistry, Columbus, Ohio 43210, United States
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Ozekin YH, Saal ML, Pineda RH, Moehn K, Ordonez-Erives MA, Delgado Figueroa MF, Frazier C, Korth KM, Königshoff M, Bates EA, Vladar EK. Intrauterine exposure to nicotine through maternal vaping disrupts embryonic lung and skeletal development via the Kcnj2 potassium channel. Dev Biol 2023; 501:111-123. [PMID: 37353105 PMCID: PMC10445547 DOI: 10.1016/j.ydbio.2023.06.002] [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: 09/29/2022] [Revised: 06/01/2023] [Accepted: 06/06/2023] [Indexed: 06/25/2023]
Abstract
Smoking cigarettes during pregnancy is associated with adverse effects on infants including low birth weight, defective lung development, and skeletal abnormalities. Pregnant women are increasingly turning to vaping [use of electronic (e)-cigarettes] as a perceived safer alternative to cigarettes. However, nicotine disrupts fetal development, suggesting that like cigarette smoking, nicotine vaping may be detrimental to the fetus. To test the impact of maternal vaping on fetal lung and skeletal development in mice, pregnant dams were exposed to e-cigarette vapor throughout gestation. At embryonic day (E)18.5, vape exposed litter sizes were reduced, and some embryos exhibited growth restriction compared to air exposed controls. Fetal lungs were collected for histology and whole transcriptome sequencing. Maternally nicotine vaped embryos exhibited histological and transcriptional changes consistent with impaired distal lung development. Embryonic lung gene expression changes mimicked transcriptional changes observed in adult mouse lungs exposed to cigarette smoke, suggesting that the developmental defects may be due to direct nicotine exposure. Fetal skeletons were analyzed for craniofacial and long bone lengths. Nicotine directly binds and inhibits the Kcnj2 potassium channel which is important for bone development. The length of the maxilla, palatal shelves, humerus, and femur were reduced in vaped embryos, which was further exacerbated by loss of one copy of the Kcnj2 gene. Nicotine vapor exposed Kcnj2KO/+ embryos also had significantly lower birth weights than unexposed animals of either genotype. Kcnj2 mutants had severely defective lungs with and without vape exposure, suggesting that potassium channels may be broadly involved in mediating the detrimental developmental effects of nicotine vaping. These data indicate that intrauterine nicotine exposure disrupts fetal lung and skeletal development likely through inhibition of Kcnj2.
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Affiliation(s)
- Yunus H Ozekin
- Section of Developmental Biology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Maxwell L Saal
- Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Department of Cell and Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Ricardo H Pineda
- Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Kayla Moehn
- Section of Developmental Biology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Madison A Ordonez-Erives
- Section of Developmental Biology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Maria F Delgado Figueroa
- Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Department of Cell and Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Caleb Frazier
- Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Department of Cell and Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Kamryn M Korth
- Section of Developmental Biology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Melanie Königshoff
- Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Emily A Bates
- Section of Developmental Biology, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
| | - Eszter K Vladar
- Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Department of Cell and Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
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Boyce MA, Durham EL, Kuo S, Taylor JM, Kishinchand R, LaRue AC, Cray JJ. In utero exposure to selective serotonin re-uptake inhibitor affects murine mandibular development. Orthod Craniofac Res 2023; 26:415-424. [PMID: 36458927 DOI: 10.1111/ocr.12624] [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: 06/27/2022] [Revised: 10/25/2022] [Accepted: 11/27/2022] [Indexed: 12/05/2022]
Abstract
OBJECTIVES Antidepressants, specifically Selective Serotonin Re-uptake Inhibitors (SSRIs), that alter serotonin metabolism are currently the most commonly prescribed drugs for the treatment of depression. There is some evidence to suggest these drugs contribute to birth defects. As jaw development is often altered in craniofacial birth defects, the purpose of this study was to interrogate the effects of in utero SSRI exposure in a preclinical model of mandible development. MATERIALS AND METHODS Wild-type C57BL6 mice were used to produce litters that were exposed in utero to an SSRI, Citalopram (500 μg/day). Murine mandibles from P15 pups were analysed for a change in shape and composition. RESULTS Analysis indicated an overall shape change with total mandibular length and ramus height being shorter in exposed pups as compared to controls. Histomorphometric analysis revealed that first molar length was longer in exposed pups while third molar length was shorter in exposed as compared to control. Histological investigation of molars and surrounding periodontium revealed no change in collagen content of the molar in exposed pups, some alteration in collagen composition in the periodontium, increased alkaline phosphatase in molars and periodontium and decreased mesenchymal cell marker presence in exposed mandibles. CONCLUSION The results of this study reveal SSRI exposure may interrupt mandible growth as well as overall dental maturation in a model of development giving insight into the expectation that children exposed to SSRIs may require orthodontic intervention.
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Affiliation(s)
- Mark A Boyce
- Department of Biomedical Education & Anatomy, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Emily L Durham
- Department of Anthropology, The Pennsylvania State University, State College, Pennsylvania, USA
- Division of Human Genetics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Sharon Kuo
- Department of Anthropology, The Pennsylvania State University, State College, Pennsylvania, USA
| | - Jane M Taylor
- Department of Biomedical Education & Anatomy, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Rajiv Kishinchand
- Department of Biomedical Education & Anatomy, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Amanda C LaRue
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, South Carolina, USA
| | - James J Cray
- Department of Biomedical Education & Anatomy, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Division of Biosciences, The Ohio State University College of Dentistry, Columbus, Ohio, USA
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Kishinchand R, Boyce M, Vyas H, Sewell L, Mohi A, Brengartner L, Miller R, Gorr MW, Wold LE, Cray J. In Utero Exposure to Maternal Electronic Nicotine Delivery System use Demonstrate Alterations to Craniofacial Development. Cleft Palate Craniofac J 2023:10556656231163400. [PMID: 36916055 DOI: 10.1177/10556656231163400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
Abstract
OBJECTIVE Develop a model for the study of Electronic Nicotine Device (ENDS) exposure on craniofacial development. DESIGN Experimental preclinical design followed as pregnant murine dams were randomized and exposed to filtered air exposure, carrier exposure consisting of 50% volume of propylene glycol and vegetable glycine (ENDS Carrier) respectively, or carrier exposure with 20 mg/ml of nicotine added to the liquid vaporizer (ENDS carrier with nicotine). SETTING Preclinical murine model exposure using the SciReq exposure system. PARTICIPANTS C57BL6 adult 8 week old female pregnant mice and exposed in utero litters. INTERVENTIONS Exposure to control filtered air, ENDS carrier or ENDS carrier with nicotine added throughout gestation at 1 puff/minute, 4 h/day, five days a week. MAIN OUTCOME MEASURES Cephalometric measures of post-natal day 15 pups born as exposed litters. RESULTS Data suggests alterations to several facial morphology parameters in the developing offspring, suggesting electronic nicotine device systems may alter facial growth if used during pregnancy. CONCLUSIONS Future research should concentrate on varied formulations and exposure regimens of ENDS to determine timing windows of exposures and ENDS formulations that may be harmful to craniofacial development.
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Affiliation(s)
- Rajiv Kishinchand
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Mark Boyce
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Heema Vyas
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Leslie Sewell
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Amr Mohi
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Lexie Brengartner
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Roy Miller
- School of Nursing, 2647The Ohio State University, Columbus, OH 43210, USA
| | - Matthew W Gorr
- School of Nursing, 2647The Ohio State University, Columbus, OH 43210, USA.,Department of Physiology and Cell Biology, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Loren E Wold
- School of Nursing, 2647The Ohio State University, Columbus, OH 43210, USA.,Department of Physiology and Cell Biology, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - James Cray
- Department of Biomedical Education and Anatomy, 12305The Ohio State University College of Medicine, Columbus, OH 43210, USA.,Division of Biosciences, College of Dentistry, 2647The Ohio State University, Columbus, OH 43210, USA
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Chen J, Yao Y, Wang Y, Wang X, Peng X, Li T, Liu Y, Du J. Autophagy triggered by the ROS/ERK signaling pathway protects mouse embryonic palatal cells from apoptosis induced by nicotine. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:81909-81922. [PMID: 35739442 DOI: 10.1007/s11356-022-21496-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 06/12/2022] [Indexed: 06/15/2023]
Abstract
Maternal cigarette smoking during pregnancy is a known high-risk factor for having a child with a cleft lip and/or palate (CLP), a common congenital malformation. Nicotine is the major teratogen component of cigarettes and e-cigarettes, and nicotine plays an important role in the development of CLP. However, the mechanism underlying nicotine's effect on CLP remains unclear. Here, we aimed to determine the role and molecular mechanisms of nicotine-induced autophagy, an important process involved in regulating the cellular stress response in mouse embryonic palatal cells (MEPCs). First, we found that nicotine promoted MEPCs proliferation and inhibited their apoptosis from 0 to 12 h. After 12 h, the proliferation was inhibited, and apoptosis was promoted. The migration of MEPCs was also inhibited by nicotine. Simultaneously, long-term nicotine stimulation inhibited the osteogenic differentiation of MEPCs. We then found that nicotine significantly increased autophagy flux in MEPCs at 12 h by increasing the expression of microtubule-associated protein light chain 3 (LC3) and reducing P62 expression levels. After nicotine exposure, intracellular reactive oxygen species (ROS) and extracellular signal-regulated kinase-1/2 (ERK1/2) expression significantly increased, and the expression of ERK1/2 was reversed by the ROS scavenging agent N-acetylcysteine (NAC). Moreover, the autophagy induced by nicotine was reversed by SCH772984, a specific inhibitor of ERK1/2, and the autophagy inhibitor chloroquine (CQ). These results suggest that in the early stage of nicotine exposure, MEPCs may trigger autophagy through the ROS/ERK1/2 signaling pathway to avoid cell damage caused by nicotine.
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Affiliation(s)
- Jing Chen
- Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China
| | - Yaxia Yao
- Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China
| | - Yijia Wang
- Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China
| | - Xiaotong Wang
- Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China
| | - Xia Peng
- Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China
| | - Tianli Li
- Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China
| | - Ying Liu
- Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China
| | - Juan Du
- Laboratory of Orofacial Development, Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China.
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Borrego-Soto G, Eberhart JK. Embryonic Nicotine Exposure Disrupts Adult Social Behavior and Craniofacial Development in Zebrafish. TOXICS 2022; 10:612. [PMID: 36287892 PMCID: PMC9611253 DOI: 10.3390/toxics10100612] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/05/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Cigarette smoking remains the leading cause of preventable death and morbidity worldwide. Smoking during pregnancy is associated with numerous adverse birth outcomes, including craniofacial and behavioral abnormalities. Although tobacco smoke contains more than 4000 toxic substances, nicotine is addictive and is likely the most teratogenic substance in cigarette smoke. However, much remains to be determined about the effects of embryonic nicotine exposure on behavior and craniofacial development. Therefore, this study evaluated adult social behavior in zebrafish, craniofacial defects, and nicotine metabolism in embryos after embryonic nicotine exposure. Zebrafish embryos were exposed to different doses of nicotine beginning at 6 h post fertilization. To evaluate craniofacial defects, the embryos were collected at 4 days post fertilization and stained with Alizarin Red and Alcian Blue. For behavioral testing, embryos were reared to adulthood. To evaluate nicotine metabolism, cotinine levels were analyzed at various time points. Our findings demonstrate that embryonic exposure to nicotine modifies social behavior in adulthood, causes craniofacial defects with reduced size of craniofacial cartilages, and that zebrafish metabolize nicotine to cotinine, as in humans. Together, our data suggest that zebrafish are useful as a model for studying nicotine-related diseases.
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McCracken BA, VanPutte CL, Hildebolt CF. Nicotine-related misperceptions among faculty and students at a Midwestern dental school. J Dent Educ 2021; 86:161-168. [PMID: 34542179 DOI: 10.1002/jdd.12788] [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: 06/28/2021] [Revised: 08/10/2021] [Accepted: 09/03/2021] [Indexed: 11/06/2022]
Abstract
PURPOSE/OBJECTIVES To determine the perceptions about the ill-effects of nicotine in students and faculty at a Midwestern dental school. This information will help inform the school and improve teaching on this subject during a time when electronic nicotine delivery systems are increasingly popular. METHODS An online survey of dental students and faculty of a Midwestern dental school was deployed in November, 2020 to determine their level of misperception about the ill effects of nicotine. An online Qualtrics survey was administered to approximately 212 predoctoral students at a dental institution and approximately 100 part- and full-time faculty at the same school. RESULTS The response rate for faculty was 55.1% and that for students was 37.5%. The majority of faculty and students "agreed" or "strongly agreed" that nicotine causes cancer, birth defects, cardiovascular disease, oral inflammation, and Chronic Obstructive Pulmonary Disease. CONCLUSIONS Dental school faculty and students linked the risks of smoking tobacco to nicotine. Based on the results of this study, we feel our institution's curriculum should consider including information specific to nicotine in addition to tobacco in general.
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Affiliation(s)
- Barbara A McCracken
- Department of Growth, Development, and Structure, Southern Illinois University School of Dental Medicine, Alton, Illinois, USA
| | - Cinnamon L VanPutte
- Department of Growth, Development, and Structure, Southern Illinois University School of Dental Medicine, Alton, Illinois, USA
| | - Charles F Hildebolt
- Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, Alton, Illinois, USA
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