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Tunçer Çağlayan S, Gurbanov R. Modulation of bacterial membranes and cellular macromolecules by dimethyl sulfoxide: A dose-dependent study providing novel insights. Int J Biol Macromol 2024; 267:131581. [PMID: 38615866 DOI: 10.1016/j.ijbiomac.2024.131581] [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: 11/10/2023] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/16/2024]
Abstract
Using Escherichia coli as a model, this manuscript delves into the intricate interactions between dimethyl sulfoxide (DMSO) and membranes, cellular macromolecules, and the effects on various aspects of bacterial physiology. Given DMSO's wide-ranging use as a solvent in microbiology, we investigate the impacts of both non-growth inhibitory (1.0 % and 2.5 % v/v) and slightly growth-inhibitory (5.0 % v/v) concentrations of DMSO. The results demonstrate that DMSO causes alterations in bacterial membrane potential, influences the electrochemical characteristics of the cell surface, and exerts substantial effects on the composition and structure of cellular biomolecules. Genome-wide gene expression data from DMSO-treated E. coli was used to further investigate and bolster the results. The findings of this study provide valuable insights into the complex relationship between DMSO and biological systems, with potential implications in drug delivery and cellular manipulation. However, it is essential to exercise caution when utilizing DMSO to enhance the solubility and delivery of bioactive compounds, as even at low concentrations, DMSO exerts non-inert effects on cellular macromolecules and processes.
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Affiliation(s)
- Sinem Tunçer Çağlayan
- Vocational School of Health Services, Department of Medical Services and Techniques, Bilecik Şeyh Edebali University, 11100 Bilecik, Turkey.
| | - Rafig Gurbanov
- Department of Bioengineering, Bilecik Şeyh Edebali University, 11100 Bilecik, Turkey; Central Research Laboratory, Bilecik Şeyh Edebali University, 11100 Bilecik, Turkey
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2
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Dashti P, Lewallen EA, Gordon JAR, Montecino MA, Davie JR, Stein GS, van Leeuwen JPTM, van der Eerden BCJ, van Wijnen AJ. Epigenetic regulators controlling osteogenic lineage commitment and bone formation. Bone 2024; 181:117043. [PMID: 38341164 DOI: 10.1016/j.bone.2024.117043] [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: 11/07/2023] [Revised: 01/08/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
Bone formation and homeostasis are controlled by environmental factors and endocrine regulatory cues that initiate intracellular signaling pathways capable of modulating gene expression in the nucleus. Bone-related gene expression is controlled by nucleosome-based chromatin architecture that limits the accessibility of lineage-specific gene regulatory DNA sequences and sequence-specific transcription factors. From a developmental perspective, bone-specific gene expression must be suppressed during the early stages of embryogenesis to prevent the premature mineralization of skeletal elements during fetal growth in utero. Hence, bone formation is initially inhibited by gene suppressive epigenetic regulators, while other epigenetic regulators actively support osteoblast differentiation. Prominent epigenetic regulators that stimulate or attenuate osteogenesis include lysine methyl transferases (e.g., EZH2, SMYD2, SUV420H2), lysine deacetylases (e.g., HDAC1, HDAC3, HDAC4, HDAC7, SIRT1, SIRT3), arginine methyl transferases (e.g., PRMT1, PRMT4/CARM1, PRMT5), dioxygenases (e.g., TET2), bromodomain proteins (e.g., BRD2, BRD4) and chromodomain proteins (e.g., CBX1, CBX2, CBX5). This narrative review provides a broad overview of the covalent modifications of DNA and histone proteins that involve hundreds of enzymes that add, read, or delete these epigenetic modifications that are relevant for self-renewal and differentiation of mesenchymal stem cells, skeletal stem cells and osteoblasts during osteogenesis.
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Affiliation(s)
- Parisa Dashti
- Department of Internal Medicine, Erasmus MC, Erasmus University Medical Center, Rotterdam, Netherlands; Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Eric A Lewallen
- Department of Biological Sciences, Hampton University, Hampton, VA, USA
| | | | - Martin A Montecino
- Institute of Biomedical Sciences, Faculty of Medicine, Universidad Andres Bello, Santiago, Chile; Millennium Institute Center for Genome Regulation (CRG), Santiago, Chile
| | - James R Davie
- Department of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, Manitoba R3E 0J9, Canada; CancerCare Manitoba Research Institute, CancerCare Manitoba, Winnipeg, Manitoba R3E 0V9, Canada.
| | - Gary S Stein
- Department of Biochemistry, University of Vermont, Burlington, VT, USA
| | | | - Bram C J van der Eerden
- Department of Internal Medicine, Erasmus MC, Erasmus University Medical Center, Rotterdam, Netherlands.
| | - Andre J van Wijnen
- Department of Internal Medicine, Erasmus MC, Erasmus University Medical Center, Rotterdam, Netherlands; Department of Biochemistry, University of Vermont, Burlington, VT, USA.
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Ding Y, Liu S, Liu J, Jin S, Wang J. Cryopreservation with DMSO affects the DNA integrity, apoptosis, cell cycle and function of human bone mesenchymal stem cells. Cryobiology 2024; 114:104847. [PMID: 38246511 DOI: 10.1016/j.cryobiol.2024.104847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 09/26/2023] [Accepted: 01/10/2024] [Indexed: 01/23/2024]
Abstract
Cryopreservation (CP) enables pooling and long-term banking of various types of cells, which is indispensable for the cell therapeutics. Dimethyl sulfoxide (DMSO) is universally used as a cryoprotectant in basic and clinical research. Although, the use of DMSO has been under serious debate due to significant clinical side effects correlated with infusions of cellular therapy products containing DMSO, the effect of CP with DMSO on the cell properties and functions remains unknown. Here, we experimentally found that the CP of human bone mesenchymal stem cells (hBMSCs) with 10 % DMSO results 10-15 % of cells apoptosis upon immediate freeze-thaw, ca. 3.8 times of DNA damage/repair relative to the fresh ones after post-thaw cultured in 48 h, and cell cycle arrests at G0/G1 after post-thaw cultured in 24 h. Moreover, CP with 10 % DMSO significantly increases the reactive oxygen species (ROS) level of the frozen-thawed MSCs which may be one of the causes impair cellular properties and functions. Indeed, we found that the differentiation and migration ability of post-thaw cultured hBMSCs decrease as the expression of adipogenic, osteogenic genes and F-actin reduces in the comparison with those of the fresh cells.
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Affiliation(s)
- Yanqin Ding
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Shuo Liu
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jianting Liu
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Shenglin Jin
- Interdisciplinary Research Center, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100190, China; Songshan Lake Materials Laboratory, Dongguan, Guangdong, 523808, China.
| | - Jianjun Wang
- Interdisciplinary Research Center, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100190, China; Songshan Lake Materials Laboratory, Dongguan, Guangdong, 523808, China.
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4
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Kurenkova AD, Presniakova VS, Mosina ZA, Kibirskiy PD, Romanova IA, Tugaeva GK, Kosheleva NV, Vinogradov KS, Kostjuk SV, Kotova SL, Rochev YA, Medvedeva EV, Timashev PS. Resveratrol's Impact on the Chondrogenic Reagents' Effects in Cell Sheet Cultures of Wharton's Jelly-Derived MSCs. Cells 2023; 12:2845. [PMID: 38132166 PMCID: PMC10741663 DOI: 10.3390/cells12242845] [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: 11/18/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023] Open
Abstract
Human Wharton's jelly mesenchymal stem cells (hWJ-MSCs) are of great interest in tissue engineering. We obtained hWJ-MSCs from four patients, and then we stimulated their chondrogenic phenotype formation in vitro by adding resveratrol (during cell expansion) and a canonical Wnt pathway activator, LiCl, as well as a Rho-associated protein kinase inhibitor, Y27632 (during differentiation). The effects of the added reagents on the formation of hWJ-MSC sheets destined to repair osteochondral injuries were investigated. Three-dimensional hWJ-MSC sheets grown on P(NIPAM-co-NtBA)-based matrices were characterized in vitro and in vivo. The combination of resveratrol and LiCl showed effects on hWJ-MSC sheets similar to those of the basal chondrogenic medium. Adding Y27632 decreased both the proportion of hypertrophied cells and the expression of the hyaline cartilage markers. In vitro, DMSO was observed to impede the effects of the chondrogenic factors. The mouse knee defect model experiment revealed that hWJ-MSC sheets grown with the addition of resveratrol and Y27632 were well integrated with the surrounding tissues; however, after 3 months, the restored tissue was identical to that of the naturally healed cartilage injury. Thus, the combination of chondrogenic supplements may not always have additive effects on the progress of cell culture and could be neutralized by the microenvironment after transplantation.
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Affiliation(s)
- Anastasiia D. Kurenkova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Viktoria S. Presniakova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Zlata A. Mosina
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Pavel D. Kibirskiy
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Irina A. Romanova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Gilyana K. Tugaeva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Nastasia V. Kosheleva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
- FSBSI “Institute of General Pathology and Pathophysiology”, Baltiyskaya St. 8, Moscow 125315, Russia
| | - Kirill S. Vinogradov
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Sergei V. Kostjuk
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
- Department of Chemistry, Belarussian State University, 14 Leningradskaya St., 220006 Minsk, Belarus
- Research Institute for Physical Chemical Problems of the Belarusian State University, 14 Leningradskaya St., 220006 Minsk, Belarus
| | - Svetlana L. Kotova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Yury A. Rochev
- Center for Research in Medical Devices (CÚRAM), National University of Ireland Galway, H91 W2TY Galway, Ireland
| | - Ekaterina V. Medvedeva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Peter S. Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
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Xi X, Wang M, Chen Q, Ma J, Zhang J, Li Y. DNMT1 regulates miR-20a/TXNIP-mediated pyroptosis of retinal pigment epithelial cells through DNA methylation. Mol Cell Endocrinol 2023; 577:112012. [PMID: 37506869 DOI: 10.1016/j.mce.2023.112012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/04/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023]
Abstract
BACKGROUND Pyroptosis of retinal pigment epithelium (RPE) cells is associated with the etiology of diabetic retinopathy (DR). In this study, we investigated the effect of DNMT1 on RPE cell pyroptosis by regulating miR-20a/TXNIP expression through DNA methylation. METHODS High glucose (HG)-induced ARPE-19 cells and mice were injected with streptozotocin (STZ) to generate DR cells and animal models. RT‒qPCR was used to detect the expression of miR-20a, and methylation-specific PCR (MS-PCR) was used to determine the occurrence of methylation of miR-20a. The expression of pyroptosis-related proteins (caspase-1 and NLRP3) and DNA methyltransferase (DNMT1) was detected by western blotting, and the expression of inflammatory factors (IL-1β and IL-18) was detected by ELISA. Apoptosis was detected by flow cytometry and TUNEL. HE staining was used to observe the pathological changes in retinal tissue in mice. RESULTS In HG-induced DR cell models, the expression of miR-20a was significantly downregulated, while the expression of inflammatory factors (IL-1β, IL-18) and pyroptosis-associated proteins (caspase-1, NLRP3) was significantly upregulated. Transfection of miR-20a mimic can effectively reverse HG-induced pyroptosis and release of inflammatory factors. DNMT1 promotes miR-20a methylation and inhibits the expression of miR-20a. DNMT1-mediated methylation is involved in the pyroptosis process of high glucose-induced RPE cells, and silencing DNMT1 can promote the expression of miR-20a, thereby inhibiting the release of IL-1β and IL-18 and reducing the occurrence of cell pyroptosis. miR-20a targets negative regulation of TXNIP expression, and overexpression of TXNIP can effectively reverse the inhibitory effect of miR-20a on pyroptosis. The methylation inhibitor 5-AZ can inhibit the occurrence of pyroptosis and DR processes, while treatment with a miR-20a inhibitor or OE-TXNIP can reverse the effect of 5-AZ. CONCLUSION DNMT1 promotes DNA methylation, decreases the expression of miR-20a and increases the expression of TXNIP, which ultimately leads to the occurrence of pyroptosis in RPE cells.
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Affiliation(s)
- Xiaoting Xi
- Department of Ophthalmology, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Min Wang
- Department of Ophthalmology, Eye and ENT Hospital of Fudan University, Shanghai, 200031, China
| | - Qianbo Chen
- Department of Ophthalmology, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Jia Ma
- Department of Ophthalmology, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China
| | - Junyan Zhang
- Department of Clinical Epidemiology and Evidence-based Medicine, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, 030032, China
| | - Yan Li
- Department of Ophthalmology, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan, China.
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Wiltshire A, Schaal R, Wang F, Tsou T, McKerrow W, Keefe D. Vitrification with Dimethyl Sulfoxide Induces Transcriptomic Alteration of Gene and Transposable Element Expression in Immature Human Oocytes. Genes (Basel) 2023; 14:1232. [PMID: 37372413 DOI: 10.3390/genes14061232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/24/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
Despite substantial advancements in the field of cryobiology, oocyte and embryo cryopreservation still compromise developmental competence. Furthermore, dimethyl sulfoxide (DMSO), one of the most commonly used cryoprotectants, has been found to exert potent effects on the epigenetic landscape of cultured human cells, as well as mouse oocytes and embryos. Little is known about its impact on human oocytes. Additionally, few studies investigate the effects of DMSO on transposable elements (TE), the control of which is essential for the maintenance of genomic instability. The objective of this study was to investigate the impact of vitrification with DMSO-containing cryoprotectant on the transcriptome, including on TEs, of human oocytes. Twenty-four oocytes at the GV stage were donated by four healthy women undergoing elective oocyte cryopreservation. Oocytes were paired such that half from each patient were vitrified with DMSO-containing cryoprotectant (Vitrified Cohort), while the other half were snap frozen in phosphate buffer, unexposed to DMSO (Non-Vitrified Cohort). All oocytes underwent RNA sequencing via a method with high fidelity for single cell analysis, and which allows for the analysis of TE expression through Switching Mechanism at the 5'-end of the RNA Transcript sequencing 2 (SMARTseq2), followed by functional enrichment analysis. Of the 27,837 genes identified by SMARTseq2, 7331 (26.3%) were differentially expressed (p < 0.05). There was a significant dysregulation of genes involved in chromatin and histone modification. Mitochondrial function, as well as the Wnt, insulin, mTOR, HIPPO, and MAPK signaling pathways were also altered. The expression of TEs was positively correlated with the expression of PIWIL2, DNMT3A, and DNMT3B, and negatively correlated with age. These findings suggest that the current standard process of oocyte vitrification, involving DMSO-containing cryoprotectant, induces significant transcriptome changes, including those involving TEs.
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Affiliation(s)
- Ashley Wiltshire
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, New York University Langone Fertility Center, 660 1st Avenue, New York, NY 10016, USA
| | - Renata Schaal
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, New York University Langone Fertility Center, 660 1st Avenue, New York, NY 10016, USA
| | - Fang Wang
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, New York University Langone Fertility Center, 660 1st Avenue, New York, NY 10016, USA
| | - Tiffany Tsou
- Institute for Systems Genetics, New York University Langone Medical Center, 550 1st Avenue, New York, NY 10016, USA
| | - Wilson McKerrow
- Institute for Systems Genetics, New York University Langone Medical Center, 550 1st Avenue, New York, NY 10016, USA
| | - David Keefe
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, New York University Langone Fertility Center, 660 1st Avenue, New York, NY 10016, USA
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7
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Non-growth inhibitory doses of dimethyl sulfoxide alter gene expression and epigenetic pattern of bacteria. Appl Microbiol Biotechnol 2022; 107:299-312. [DOI: 10.1007/s00253-022-12296-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/02/2022] [Accepted: 11/11/2022] [Indexed: 11/24/2022]
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Thaler R, Khani F, Sturmlechner I, Dehghani SS, Denbeigh JM, Zhou X, Pichurin O, Dudakovic A, Jerez SS, Zhong J, Lee JH, Natarajan R, Kalajzic I, Jiang YH, Deyle DR, Paschalis EP, Misof BM, Ordog T, van Wijnen AJ. Vitamin C epigenetically controls osteogenesis and bone mineralization. Nat Commun 2022; 13:5883. [PMID: 36202795 PMCID: PMC9537512 DOI: 10.1038/s41467-022-32915-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 08/09/2022] [Indexed: 11/26/2022] Open
Abstract
Vitamin C deficiency disrupts the integrity of connective tissues including bone. For decades this function has been primarily attributed to Vitamin C as a cofactor for collagen maturation. Here, we demonstrate that Vitamin C epigenetically orchestrates osteogenic differentiation and function by modulating chromatin accessibility and priming transcriptional activity. Vitamin C regulates histone demethylation (H3K9me3 and H3K27me3) and promotes TET-mediated 5hmC DNA hydroxymethylation at promoters, enhancers and super-enhancers near bone-specific genes. This epigenetic circuit licenses osteoblastogenesis by permitting the expression of all major pro-osteogenic genes. Osteogenic cell differentiation is strictly and continuously dependent on Vitamin C, whereas Vitamin C is dispensable for adipogenesis. Importantly, deletion of 5hmC-writers, Tet1 and Tet2, in Vitamin C-sufficient murine bone causes severe skeletal defects which mimic bone phenotypes of Vitamin C-insufficient Gulo knockout mice, a model of Vitamin C deficiency and scurvy. Thus, Vitamin C's epigenetic functions are central to osteoblastogenesis and bone formation and may be leveraged to prevent common bone-degenerating conditions.
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Affiliation(s)
- Roman Thaler
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA.
- Department of Biochemistry & Molecular Biology, Mayo Clinic, Rochester, MN, USA.
- Center for Regenerative Medicine, Mayo Clinic, Rochester, MN, USA.
| | - Farzaneh Khani
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Ines Sturmlechner
- Departments of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Janet M Denbeigh
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Xianhu Zhou
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Oksana Pichurin
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
- Department of Biochemistry & Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Sofia S Jerez
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
- Department of Biochemistry & Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Jian Zhong
- Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Jeong-Heon Lee
- Department of Biochemistry & Molecular Biology, Mayo Clinic, Rochester, MN, USA
- Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Ramesh Natarajan
- Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Ivo Kalajzic
- Department of Reconstructive Sciences, UConn Health, Farmington, CT, USA
| | - Yong-Hui Jiang
- Department of Genetics, Neuroscience, and Pediatrics, Yale University School of Medicine, New Haven, CT, USA
| | - David R Deyle
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA
| | - Eleftherios P Paschalis
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med. Dept. Hanusch Hospital, Vienna, Austria
| | - Barbara M Misof
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med. Dept. Hanusch Hospital, Vienna, Austria
| | - Tamas Ordog
- Epigenomics Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Physiology and Biomedical Engineering and Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
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9
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Tolić A, Ravichandran M, Rajić J, Đorđević M, Đorđević M, Dinić S, Grdović N, Jovanović JA, Mihailović M, Nestorović N, Jurkowski TP, Uskoković AS, Vidaković MS. TET-mediated DNA hydroxymethylation is negatively influenced by the PARP-dependent PARylation. Epigenetics Chromatin 2022; 15:11. [PMID: 35382873 PMCID: PMC8985375 DOI: 10.1186/s13072-022-00445-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 03/19/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Poly(ADP-ribosyl)ation (PARylation), a posttranslational modification introduced by PARP-1 and PARP-2, has first been implicated in DNA demethylation due to its role in base excision repair. Recent evidence indicates a direct influence of PARP-dependent PARylation on TET enzymes which catalyse hydroxymethylation of DNA-the first step in DNA demethylation. However, the exact nature of influence that PARylation exerts on TET activity is still ambiguous. In our recent study, we have observed a negative influence of PARP-1 on local TET-mediated DNA demethylation of a single gene and in this study, we further explore PARP-TET interplay. RESULTS Expanding on our previous work, we show that both TET1 and TET2 can be in vitro PARylated by PARP-1 and PARP-2 enzymes and that TET1 PARylation negatively affects the TET1 catalytic activity in vitro. Furthermore, we show that PARylation inhibits TET-mediated DNA demethylation at the global genome level in cellulo. CONCLUSIONS According to our findings, PARP inhibition can positively influence TET activity and therefore affect global levels of DNA methylation and hydroxymethylation. This gives a strong rationale for future examination of PARP inhibitors' potential use in the therapy of cancers characterised by loss of 5-hydroxymethylcytosine.
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Affiliation(s)
- Anja Tolić
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Mirunalini Ravichandran
- Institute of Biochemistry, University of Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany.,Department of Anatomy, University of California, San Francisco, 513 Parnassus Avenue, HSW 1301, San Francisco, CA, 94143, USA
| | - Jovana Rajić
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Marija Đorđević
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Miloš Đorđević
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Svetlana Dinić
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Nevena Grdović
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Jelena Arambašić Jovanović
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Mirjana Mihailović
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Nataša Nestorović
- Department of Cytology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia
| | - Tomasz P Jurkowski
- Institute of Biochemistry, University of Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany. .,School of Biosciences, Cardiff University, Cardiff, Wales, Sir Martin Evans Building, Museum Avenue, Cardiff, CF10 3AX, UK.
| | - Aleksandra S Uskoković
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Melita S Vidaković
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
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10
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Khan AA, Khattak MNK, Parambath D, El-Serafi AT. Significant transcriptomic changes are associated with the inhibitory effects of 5-aza-2-deoxycytidine during adipogenic differentiation of MG-63 cells. Saudi J Biol Sci 2021; 28:7336-7348. [PMID: 34867036 PMCID: PMC8626271 DOI: 10.1016/j.sjbs.2021.08.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/25/2021] [Accepted: 08/12/2021] [Indexed: 11/30/2022] Open
Abstract
Our previous study revealed that the treatment of 5-aza-2-deoxycytidine (5-aza) inhibited while treatment of suberoylanilide hydroxamic acid (SAHA) enhanced the adipogenic differentiation of MG-63 cells. In this study, we examined the transcriptomic profiles of the derived adipocyte-like cells from MG-63 cells in the presence of 5-aza (Treatment 1) and SAHA (Treatment 2). Genome wide expression analysis showed high within sample variability for the adipocytes derived with 5-aza versus vehicle. Additionally, the expression profile of 5-aza derived cells was separated from the other sample groups. Differential analysis on the pairwise comparison of 5-aza versus control and SAHA versus 5-aza identified 1290 and 1086 differentially expressed (DE) genes, respectively. Furthermore, some overlap was observed between the up and down-regulated DE genes of 5-aza versus control and SAHA versus control (jaccard score 0.3) as well as between the differentially regulated genes of 5-aza versus control and 5-aza versus SAHA (jaccard score 0.29). A total of 73 transcription factors (TFs) were differentially expressed across all the pair wise comparisons with some overlap between the under and over expressed TFs of 5-aza versus control and 5-aza versus SAHA (jaccard score 0.29). Unsupervised clustering of TFs showed that the samples within the group are consistent in expression and the samples cluster in accordance with the group. Several GO terms related to enhanced adipogenesis such as neutral lipid biosynthetic process, lipid metabolic processes, cellular amide metabolic processes and cellular carbohydrate metabolic processes were enriched in the down regulated genes of 5-aza derived adipocytes versus control, indicating 5-aza inhibit the adipogenic differentiation of MG-63 cells. GSEA analysis on selected gene sets of MAPK and PI3K signaling pathway in MSigDB identified the pathways were up-regulated in 5-aza versus control. This study revealed that inhibition of MG-63 adipogenesis due to 5-aza treatment is associated with large transcriptomics changes and further research is needed to unravel the roles of these genes in the adipogenesis.
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Affiliation(s)
- Amir Ali Khan
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates.,Human Genetics and Stem Cells Research Group, Research Institute of Sciences & Engineering (RISE), University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Muhammad Nasir Khan Khattak
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates.,Human Genetics and Stem Cells Research Group, Research Institute of Sciences & Engineering (RISE), University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Divyasree Parambath
- Sharjah Institute for Medical and Health Research, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Ahmed Taher El-Serafi
- Sharjah Institute for Medical and Health Research, University of Sharjah, Sharjah 27272, United Arab Emirates.,Department of Biomedical and Clinical Sciences (BKV), Linköping University, P.O. Box 581 83, Linköping, Sweden.,Medical Biochemistry department, Faculty of Medicine, Suez Canal University, 41522, Ismailia, Egypt
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11
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Liu W, Mohan SP, Nagaraj NR, Sundar Jaganathan S, Wen Y, Ramasubramanyan S, Irudayaraj J. Epigenetic alterations associated with dexamethasone sodium phosphate through DNMT and TET in RPE cells. Mol Vis 2021; 27:643-655. [PMID: 34924744 PMCID: PMC8645185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 11/18/2021] [Indexed: 11/29/2022] Open
Abstract
PURPOSE To elucidate the mechanism behind epigenetic alteration associated with dexamethasone (DEX) sodium phosphate treatment. METHODS We performed enzyme-linked immunosorbent assay to quantify changes in global DNA methylation and hydroxymethylation, quantitative real-time PCR (qRT-PCR) of the DNA methylation- and hydroxymethylation-related gene, in vitro DNA methyltransferase (DNMT) enzymatic activity assays with purified DNMTs, and DNA hydroxymethylation pattern with super-resolution imaging. RESULTS We identified global DNA hypomethylation and hyper-hydroxymethylation upon DEX treatment, associated with aberrant mRNA expression levels of DNMT and ten-eleven translocation (TET) proteins. Additionally, DEX exposure could directly hinder DNMT activities. CONCLUSIONS We showed that DEX-induced epigenetic alterations are linked to aberrant DNMT and TET expression, potentially through an essential role of DNMT.
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Affiliation(s)
- Wenjie Liu
- Department of Bioengineering, Cancer Center at Illinois, Micro and Nanotechnology Laboratory. University of Illinois at Urbana-Champaign, Urbana, IL,Biomedical Research Center in Mills Breast Cancer Institute, Carles Foundation Hospital, Urbana, IL
| | - Sruthi Priya Mohan
- R.S. Mehta Jain Department of Biochemistry and Cell Biology, KBIRVO, Vision Research Foundation, Chennai, TN, India
| | | | - Shyam Sundar Jaganathan
- R.S. Mehta Jain Department of Biochemistry and Cell Biology, KBIRVO, Vision Research Foundation, Chennai, TN, India
| | - Yi Wen
- Department of Bioengineering, Cancer Center at Illinois, Micro and Nanotechnology Laboratory. University of Illinois at Urbana-Champaign, Urbana, IL,Biomedical Research Center in Mills Breast Cancer Institute, Carles Foundation Hospital, Urbana, IL
| | - Sharada Ramasubramanyan
- R.S. Mehta Jain Department of Biochemistry and Cell Biology, KBIRVO, Vision Research Foundation, Chennai, TN, India
| | - Joseph Irudayaraj
- Department of Bioengineering, Cancer Center at Illinois, Micro and Nanotechnology Laboratory. University of Illinois at Urbana-Champaign, Urbana, IL,Biomedical Research Center in Mills Breast Cancer Institute, Carles Foundation Hospital, Urbana, IL
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12
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Wiegand A, Blickle A, Brückmann C, Weller S, Nieratschker V, Plewnia C. Dynamic DNA Methylation Changes in the COMT Gene Promoter Region in Response to Mental Stress and Its Modulation by Transcranial Direct Current Stimulation. Biomolecules 2021; 11:1726. [PMID: 34827724 PMCID: PMC8615564 DOI: 10.3390/biom11111726] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/09/2021] [Accepted: 11/16/2021] [Indexed: 11/17/2022] Open
Abstract
Changes in epigenetic modifications present a mechanism how environmental factors, such as the experience of stress, can alter gene regulation. While stress-related disorders have consistently been associated with differential DNA methylation, little is known about the time scale in which these alterations emerge. We investigated dynamic DNA methylation changes in whole blood of 42 healthy male individuals in response to a stressful cognitive task, its association with concentration changes in cortisol, and its modulation by transcranial direct current stimulation (tDCS). We observed a continuous increase in COMT promotor DNA methylation which correlated with higher saliva cortisol levels and was still detectable one week later. However, this lasting effect was suppressed by concurrent activity-enhancing anodal tDCS to the dorsolateral prefrontal cortex. Our findings support the significance of gene-specific DNA methylation in whole blood as potential biomarkers for stress-related effects. Moreover, they suggest alternative molecular mechanisms possibly involved in lasting behavioral effects of tDCS.
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Affiliation(s)
- Ariane Wiegand
- Tübingen Center for Mental Health, Department of Psychiatry and Psychotherapy, Molecular Psychiatry, University Hospital Tübingen, Calwerstraße 14, 72076 Tübingen, Germany; (A.B.); (C.B.); (V.N.)
- International Max Planck Research School for Cognitive and Systems Neuroscience, University of Tübingen, 72076 Tübingen, Germany
| | - Arne Blickle
- Tübingen Center for Mental Health, Department of Psychiatry and Psychotherapy, Molecular Psychiatry, University Hospital Tübingen, Calwerstraße 14, 72076 Tübingen, Germany; (A.B.); (C.B.); (V.N.)
| | - Christof Brückmann
- Tübingen Center for Mental Health, Department of Psychiatry and Psychotherapy, Molecular Psychiatry, University Hospital Tübingen, Calwerstraße 14, 72076 Tübingen, Germany; (A.B.); (C.B.); (V.N.)
| | - Simone Weller
- Tübingen Center for Mental Health, Department of Psychiatry and Psychotherapy, Neurophysiology & Interventional Neuropsychiatry, University Hospital Tübingen, Calwerstraße 14, 72076 Tübingen, Germany; (S.W.); (C.P.)
| | - Vanessa Nieratschker
- Tübingen Center for Mental Health, Department of Psychiatry and Psychotherapy, Molecular Psychiatry, University Hospital Tübingen, Calwerstraße 14, 72076 Tübingen, Germany; (A.B.); (C.B.); (V.N.)
- Werner Reichardt Centre for Integrative Neuroscience, University of Tübingen, 72076 Tübingen, Germany
| | - Christian Plewnia
- Tübingen Center for Mental Health, Department of Psychiatry and Psychotherapy, Neurophysiology & Interventional Neuropsychiatry, University Hospital Tübingen, Calwerstraße 14, 72076 Tübingen, Germany; (S.W.); (C.P.)
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13
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Galvan ML, Paradise CR, Kubrova E, Jerez S, Khani F, Thaler R, Dudakovic A, van Wijnen AJ. Multiple pharmacological inhibitors targeting the epigenetic suppressor enhancer of zeste homolog 2 (Ezh2) accelerate osteoblast differentiation. Bone 2021; 150:115993. [PMID: 33940225 PMCID: PMC8217219 DOI: 10.1016/j.bone.2021.115993] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 04/06/2021] [Accepted: 04/27/2021] [Indexed: 02/07/2023]
Abstract
Skeletal development and bone formation are regulated by epigenetic mechanisms that either repress or enhance osteogenic commitment of mesenchymal stromal/stem cells and osteoblasts. The transcriptional suppressive trimethylation of histone 3 lysine 27 (H3K27me3) hinders differentiation of pre-committed osteoblasts. Osteoblast maturation can be stimulated by genetic loss of the H3K27 methyltransferase Ezh2 which can also be mimicked pharmacologically using the classical Ezh2 inhibitor GSK126. Identification of other Ezh2 inhibitors (iEzh2) that enhance osteogenic potential would increase chemical options for developing new bone stimulatory compounds. In this study, we examined a panel of iEzh2s and show that all eight inhibitors we tested are capable of accelerating osteoblast differentiation to different degrees at concentrations that are well below cytotoxic concentrations. Inhibition of Ezh2 is commensurate with loss of cellular H3K27me3 levels while forced expression of Ezh2 reverses the effect of Ezh2 suppression. Reduced Ezh2 function by siRNA depletion of Ezh2 mRNA and protein levels also stimulates osteoblastogenesis, consistent with the specificity of iEzh2 to target the active site of Ezh2. Diminished Ezh2 levels preempt the effects of iEzh2s on H3K27me3. GSK126, EPZ-6438 and siRNA depletion of Ezh2 each are effective in reducing H3K27me3 levels. However, EPZ-6438 is more potent than GSK126 in stimulating osteoblastogenesis, as reflected by increased extracellular matrix mineralization. Collectively, our data indicate that Ezh2 inhibitors properly target Ezh2 consistent with their biochemical affinities. The range of compounds capable of promoting osteogenesis presented in this study offers the opportunity to develop diverse bone anabolic strategies for distinct clinical scenarios, including spine fusion, non-union of bone and dental implant enhancement.
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Affiliation(s)
- M Lizeth Galvan
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA.
| | - Christopher R Paradise
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Center for Regenerative Medicine, Mayo Clinic, Rochester, MN, USA
| | - Eva Kubrova
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA.
| | - Sofia Jerez
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA.
| | - Farzaneh Khani
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Roman Thaler
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA.
| | - Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
| | - Andre J van Wijnen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Center for Regenerative Medicine, Mayo Clinic, Rochester, MN, USA; Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
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14
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Elkot HA, Ragab I, Saleh NM, Amin MN, Al-Rashood ST, El-Messery SM, Hassan GS. Design, synthesis, and antitumor activity of PLGA nanoparticles incorporating a discovered benzimidazole derivative as EZH2 inhibitor. Chem Biol Interact 2021; 344:109530. [PMID: 34029540 DOI: 10.1016/j.cbi.2021.109530] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 05/16/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE Targeting enhancer of zeste homolog 2 (EZH2) can represent a hopeful strategy for oncotherapy. Also, the use of PLGA-based nanoparticles as a novel and rate-controlling carrier system was of our concern. METHODS Benzimidazole derivatives were synthesized, and their structures were clarified. In vitro antitumor activity was evaluated. Then, a modeling study was performed to investigate the ability of the most active compounds to recognize EZH2 active sites. Compound 30 (Drug) was selected to conduct pre-formulation studies and then it was incorporated into polymeric PLGA nanoparticles (NPs). NPs were then fully characterized to select an optimized formula (NP4) that subjected to further evaluation regarding antitumor activity and protein expression levels of EZH2 and EpCAM. RESULTS The results showed the antitumor activity of some synthesized derivatives. Docking outcomes demonstrated that Compound 30 was able to identify EZH2 active sites. NP4 exhibited promising findings and proved to keep the antitumor activity of Compound 30. HEPG-2 was the most sensitive for both Drug and NP4. Protein analysis indicated that Drug and NP4 had targeted EZH2 and the downstream signaling pathway leading to the decline of EpCAM expression. CONCLUSIONS Targeting EZH2 by Compound 30 has potential use in the treatment of cancer especially hepatocellular carcinoma.
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Affiliation(s)
- Hoda A Elkot
- Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Ibrahim Ragab
- Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Noha M Saleh
- Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt.
| | - Mohamed N Amin
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Sara T Al-Rashood
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Shahenda M El-Messery
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Ghada S Hassan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
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15
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Cantatore C, George JS, Depalo R, D'Amato G, Moravek M, Smith GD. Mouse oocyte vitrification with and without dimethyl sulfoxide: influence on cryo-survival, development, and maternal imprinted gene expression. J Assist Reprod Genet 2021; 38:2129-2138. [PMID: 34021463 DOI: 10.1007/s10815-021-02221-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 05/04/2021] [Indexed: 10/21/2022] Open
Abstract
PURPOSE Oocytes and embryos can be vitrified with and without dimethyl sulfoxide (DMSO). Objectives were to compare no vitrification (No-Vitr), vitrification with DMSO (Vitr + DMSO), and vitrification without DMSO (Vitr - DMSO) on fresh/warmed oocyte survival, induced parthenogenetic activation, parthenogenetic embryo development, and embryonic maternal imprinted gene expression. METHODS In this prospective controlled laboratory study, mature B6C3F1 female mouse metaphase II oocytes were treated as: i) No-Vitr, ii) Vitr + DMSO/warmed, and iii) Vitr - DMSO/warmed with subsequent parthenogenetic activation and culture to the blastocyst stage. Oocyte cryo-survival, parthenogenetic activation and embryo development, parthenogenetic embryo maternal imprinted gene expression were outcome measures. RESULTS Oocyte cryo-survival was significantly improved in Vitr + DMSO versus Vitr - DMSO at initial warming and 2 h after warming. Induced parthenogenetic activation was similar between all three intervention groups. While early preimplantation parthenogenetic embryo development was similar between control, Vitr + DMSO, Vitr - DMSO oocytes, the development to blastocysts was significantly inferior in the Vitr - DMSO oocytes group compared to the control and Vitr + DMSO oocyte groups. Finally, maternal imprinted gene expression was similar between intervention groups at both the 2-cell and blastocyst parthenogenetic embryo stage. CONCLUSION(S) Inclusion of DMSO in oocyte vitrification solutions improved cryo-survival and developmental potential of parthenogenetic embryos to the blastocyst stage without significantly altering maternal imprinted gene expression.
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Affiliation(s)
- Clementina Cantatore
- Department of Maternal and Child Health, Reproductive and IVF Unit, Asl Bari, Conversano (BA), Italy
| | - Jenny S George
- Department of Ob/Gyn, University of Michigan, 6422A Medical Sciences I, 1301 E. Catherine Street, SPC5617, Ann Arbor, MI, 48109-056171500, USA
| | - Raffaella Depalo
- Institutional BioBank, Experimental Oncology and Biobank Management Unit, IRCCS Istituto Tumori "Giovanni Paolo II", Bari, Italy
| | - Giuseppe D'Amato
- Department of Maternal and Child Health, Reproductive and IVF Unit, Asl Bari, Conversano (BA), Italy
| | - Molly Moravek
- Department of Ob/Gyn, University of Michigan, 6422A Medical Sciences I, 1301 E. Catherine Street, SPC5617, Ann Arbor, MI, 48109-056171500, USA
| | - Gary D Smith
- Department of Ob/Gyn, University of Michigan, 6422A Medical Sciences I, 1301 E. Catherine Street, SPC5617, Ann Arbor, MI, 48109-056171500, USA. .,Departments of Physiology and Urology and Reproductive Sciences Program, University of Michigan, 1500 E. Medical Center Dr, Ann Arbor, MI, 48109, USA.
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16
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Kadokawa R, Fujie T, Sharma G, Ishibashi K, Ninomiya K, Takahashi K, Hirata E, Kuroda K. High loading of trimethylglycine promotes aqueous solubility of poorly water-soluble cisplatin. Sci Rep 2021; 11:9770. [PMID: 33963207 PMCID: PMC8105311 DOI: 10.1038/s41598-021-89144-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 04/16/2021] [Indexed: 11/09/2022] Open
Abstract
Trimethylglycine (TMG) is a cheap, natural, and highly biocompatible compound. Therefore, it has been used in the fields of food and life sciences, but the application of solid TMG is limited to utilisation as an “additive”. In the present study, we focussed on the high solubility of TMG in water, derived from the aprotic zwitterionic structure, and proposed TMG as the chemical accounting for a major portion of the aqueous solution (e.g., 50 wt%). High loading of TMG shifted the properties of water and enabled the dissolution of poorly water-soluble cisplatin, an anticancer agent, at high concentration (solubility of cisplatin: 0.15 wt% in water vs 1.7 wt% in TMG aqueous solution). For hepatic arterial infusion, this can reduce the amount of cisplatin administered from 40 to 4 mL. It enables simple injection using a syringe, without the need for catheters and automatic pumps, leading to critical alleviation of the risk to patients. Furthermore, we produced a dry powder from a cisplatin-containing TMG aqueous solution via freeze-drying. Powders can be conveniently stored and transported. Furthermore, cisplatin is often used as a mixture with other drugs, and cisplatin aqueous solutions are not preferred as they dilute the other drugs.
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Affiliation(s)
- Riki Kadokawa
- Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Tetsuo Fujie
- Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Gyanendra Sharma
- Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Kojiro Ishibashi
- Division of Tumor Cell Biology and Bioimaging, Cancer Research Institute of Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Kazuaki Ninomiya
- Institute for Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Kenji Takahashi
- Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Eishu Hirata
- Division of Tumor Cell Biology and Bioimaging, Cancer Research Institute of Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan. .,Nano Life Science Institute of Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan.
| | - Kosuke Kuroda
- Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan.
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17
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Haastrup EK, Munthe-Fog L, Ballesteros OR, Fischer-Nielsen A, Svalgaard JD. DMSO (Me 2SO) concentrations of 1-2% in combination with pentaisomaltose are effective for cryopreservation of T cells. Transfus Apher Sci 2021; 60:103138. [PMID: 33895072 DOI: 10.1016/j.transci.2021.103138] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 04/01/2021] [Accepted: 04/06/2021] [Indexed: 11/19/2022]
Abstract
T cell based treatments in the setting of allogenic haematopoietic stem cell transplantation (HSCT) have been used for decades. In addition, the use of chimeric antigen receptor (CAR) T cells has been introduced as a promising cancer immunotherapy. A prerequisite for many of these treatments is the ability to cryopreserve the cells safely and efficiently. In the present study, we compared freezing media combinations containing pentaisomaltose and 1-2 % DMSO (PIM1 and PIM2, respectively) to 10 % DMSO and commercially available cryosolutions (CS2 and CS10, Cryostor® containing 2 and 10 % DMSO, respectively) for cryopreservation of T cells. T cells isolated from buffy coats from healthy donors were cryopreserved with different freezing media and analysed for 1) viability immediately post-thaw and the following 24 h, 2) recovery, 3) proliferative potential and 4) migration towards a gradient of SDF-1α. The results showed that PIM2 was superior to 10 % DMSO and comparable to CS10 when assessing viability. Furthermore, the results indicated that the T cells cryopreserved with 10 % DMSO showed the lowest proliferative potential. The expression levels of CXCR3, CXCR4 and VLA-4 were similar in T cells independent of the freezing media used; however, T cells cryopreserved with PIM2 demonstrated the highest migratory potential. In summary, the combination of pentaisomaltose and 1-2 % DMSO improves the cryoprotective properties compared to 10 % DMSO while achieving comparable results with CS10 and even showing improved migration towards SDF-1α. Thus, our results show promising potential for pentaisomaltose in combination with low amounts of DMSO for the cryopreservation of T cells.
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Affiliation(s)
- Eva Kannik Haastrup
- Department of Clinical Immunology, Blood Bank, Rigshospitalet, 2100, Copenhagen, Denmark
| | - Lea Munthe-Fog
- Department of Clinical Immunology, Blood Bank, Rigshospitalet, 2100, Copenhagen, Denmark
| | | | - Anne Fischer-Nielsen
- Department of Clinical Immunology, Blood Bank, Rigshospitalet, 2100, Copenhagen, Denmark
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18
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Assis RIF, Schmidt AG, Racca F, da Silva RA, Zambuzzi WF, Silvério KG, Nociti FH, Pecorari VG, Wiench M, Andia DC. DNMT1 Inhibitor Restores RUNX2 Expression and Mineralization in Periodontal Ligament Cells. DNA Cell Biol 2021; 40:662-674. [PMID: 33751901 DOI: 10.1089/dna.2020.6239] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Periodontal ligament cells (PDLCs) have well documented osteogenic potential; however, this commitment can be highly heterogenous, limiting their applications in tissue regeneration. In this study, we use PDLC populations characterized by high and low osteogenic potential (h-PDLCs and l-PDLCs, respectively) to identify possible sources of such heterogeneity and to investigate whether the osteogenic differentiation can be enhanced by epigenetic modulation. In h-PDLCs, low basal expression levels of pluripotency markers (NANOG, OCT4), DNA methyltransferases (DNMT1, DNMT3B), and enzymes involved in active DNA demethylation (TET1, TET3) were prerequisite to high osteogenic potential. Furthermore, these genes were downregulated upon early osteogenesis, possibly allowing for the increase in expression of the key osteogenic transcription factors, Runt-related transcription factor 2 (RUNX2) and SP7, and ultimately, mineral nodule formation. l-PDLCs appeared locked in the multipotent state and this was further enhanced upon early osteogenic stimulation, correlating with low RUNX2 expression and impaired mineralization. Further upregulation of DNMTs was also evident, while pretreatment with RG108, the DNMTs' inhibitor, enhanced the osteogenic program in l-PDLCs through downregulation of DNMTs, increased RUNX2 expression and nuclear localization, accelerated expression of osteogenic markers, and increased mineralization. These findings point toward the role of DNMTs and Ten Eleven Translocations (TETs) in osteogenic commitment and support application of epigenetic approaches to modulate biomineralization in PDLCs.
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Affiliation(s)
- Rahyza I F Assis
- Department of Prosthodontics and Periodontics, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Arthur G Schmidt
- Health Science Institute, School of Dentistry, Paulista University-UNIP, São Paulo, Brazil
| | - Francesca Racca
- Department of Prosthodontics and Periodontics, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Rodrigo A da Silva
- Program in Environmental and Experimental Pathology, Paulista University-UNIP, São Paulo, Brazil
| | - William F Zambuzzi
- Department of Chemistry and Biochemistry, Biosciences Institute, São Paulo State University, Botucatu, Brazil
| | - Karina G Silvério
- Department of Prosthodontics and Periodontics, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Francisco H Nociti
- Department of Prosthodontics and Periodontics, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | - Vanessa G Pecorari
- Health Science Institute, School of Dentistry, Paulista University-UNIP, São Paulo, Brazil
| | - Malgorzata Wiench
- Institute of Clinical Sciences, Institute of Cancer and Genomic Sciences, School of Dentistry, University of Birmingham, Birmingham, United Kingdom
| | - Denise C Andia
- Health Science Institute, School of Dentistry, Paulista University-UNIP, São Paulo, Brazil
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19
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Kuroda K, Komori T, Ishibashi K, Uto T, Kobayashi I, Kadokawa R, Kato Y, Ninomiya K, Takahashi K, Hirata E. Non-aqueous, zwitterionic solvent as an alternative for dimethyl sulfoxide in the life sciences. Commun Chem 2020; 3:163. [PMID: 36703409 PMCID: PMC9814479 DOI: 10.1038/s42004-020-00409-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 10/14/2020] [Indexed: 01/29/2023] Open
Abstract
Dimethyl sulfoxide (DMSO) is widely used as a solvent in the life sciences, however, it is somewhat toxic and affects cell behaviours in a range of ways. Here, we propose a zwitterionic liquid (ZIL), a zwitterion-type ionic liquid containing histidine-like module, as a new alternative to DMSO. ZIL is not cell permeable, less toxic to cells and tissues, and has great potential as a vehicle for various hydrophobic drugs. Notably, ZIL can serve as a solvent for stock solutions of platinating agents, whose anticancer effects are completely abolished by dissolution in DMSO. Furthermore, ZIL possesses suitable affinity to the plasma membrane and acts as a cryoprotectant. Our results suggest that ZIL is a potent, multifunctional and biocompatible solvent that compensates for many shortcomings of DMSO.
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Affiliation(s)
- Kosuke Kuroda
- grid.9707.90000 0001 2308 3329Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
| | - Tetsuo Komori
- grid.9707.90000 0001 2308 3329Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
| | - Kojiro Ishibashi
- grid.9707.90000 0001 2308 3329Division of Tumor Cell Biology and Bioimaging, Cancer Research Institute of Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
| | - Takuya Uto
- grid.410849.00000 0001 0657 3887Organization for Promotion of Tenure Track, University of Miyazaki, Nishi 1-1 Gakuen-Kibanadai, Miyazaki, 889-2192 Japan
| | - Isao Kobayashi
- grid.9707.90000 0001 2308 3329Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
| | - Riki Kadokawa
- grid.9707.90000 0001 2308 3329Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
| | - Yui Kato
- grid.9707.90000 0001 2308 3329Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
| | - Kazuaki Ninomiya
- grid.9707.90000 0001 2308 3329Institute for Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
| | - Kenji Takahashi
- grid.9707.90000 0001 2308 3329Faculty of Biological Science and Technology, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
| | - Eishu Hirata
- grid.9707.90000 0001 2308 3329Division of Tumor Cell Biology and Bioimaging, Cancer Research Institute of Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan ,grid.9707.90000 0001 2308 3329Nano Life Science Institute of Kanazawa University, Kakuma-machi, Kanazawa, 920-1192 Japan
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20
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Yi JK, Park S, Ha JJ, Kim DH, Huang H, Park SJ, Lee MH, Ryoo ZY, Kim SH, Kim MO. Effects of Dimethyl Sulfoxide on the Pluripotency and Differentiation Capacity of Mouse Embryonic Stem Cells. Cell Reprogram 2020; 22:244-253. [DOI: 10.1089/cell.2020.0006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Affiliation(s)
- Jun-Koo Yi
- Department of Embryo Transfer Research, Gyeongbuk Livestock Research Institute, Yeongju, Korea
| | - Song Park
- Core Protein Resources Center, DGIST, Daegu, Republic of Korea
| | - Jae-Jung Ha
- Department of Embryo Transfer Research, Gyeongbuk Livestock Research Institute, Yeongju, Korea
| | - Dae-Hyun Kim
- Department of Embryo Transfer Research, Gyeongbuk Livestock Research Institute, Yeongju, Korea
| | - Hai Huang
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju, Korea
| | - Si-Jun Park
- Department of Life Sciences and Biotechnology, School of Life Sciences and Biotechnology, Kyungpook National University, Daegu, Korea
| | - Mee-Hyun Lee
- College of Korean Medicine, Dongshin University, Naju, Jeollanamdo, Korea
- China-US (Henan) Hormel Cancer Institute, No. 127 Dongming Road, Zhengzhou, Henan, China
| | - Zae-Young Ryoo
- Department of Life Sciences and Biotechnology, School of Life Sciences and Biotechnology, Kyungpook National University, Daegu, Korea
| | - Sung-Hyun Kim
- Life Medicine Analysis Korea Polytechnics Institute, Nonsan, Korea
| | - Myoung-Ok Kim
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju, Korea
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21
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Cryopreservation of adipose-derived stromal/stem cells using 1–2% Me2SO (DMSO) in combination with pentaisomaltose: An effective and less toxic alternative to comparable freezing media. Cryobiology 2020; 96:207-213. [DOI: 10.1016/j.cryobiol.2020.05.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 05/27/2020] [Accepted: 05/27/2020] [Indexed: 01/15/2023]
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22
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Efimova OA, Koltsova AS, Krapivin MI, Tikhonov AV, Pendina AA. Environmental Epigenetics and Genome Flexibility: Focus on 5-Hydroxymethylcytosine. Int J Mol Sci 2020; 21:E3223. [PMID: 32370155 PMCID: PMC7247348 DOI: 10.3390/ijms21093223] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 04/24/2020] [Accepted: 04/29/2020] [Indexed: 12/13/2022] Open
Abstract
Convincing evidence accumulated over the last decades demonstrates the crucial role of epigenetic modifications for mammalian genome regulation and its flexibility. DNA methylation and demethylation is a key mechanism of genome programming and reprogramming. During ontogenesis, the DNA methylome undergoes both programmed changes and those induced by environmental and endogenous factors. The former enable accurate activation of developmental programs; the latter drive epigenetic responses to factors that directly or indirectly affect epigenetic biochemistry leading to alterations in genome regulation and mediating organism response to environmental transformations. Adverse environmental exposure can induce aberrant DNA methylation changes conducive to genetic dysfunction and, eventually, various pathologies. In recent years, evidence was derived that apart from 5-methylcytosine, the DNA methylation/demethylation cycle includes three other oxidative derivatives of cytosine-5-hydroxymethylcytosine (5hmC), 5-formylcytosine, and 5-carboxylcytosine. 5hmC is a predominantly stable form and serves as both an intermediate product of active DNA demethylation and an essential hallmark of epigenetic gene regulation. This makes 5hmC a potential contributor to epigenetically mediated responses to environmental factors. In this state-of-the-art review, we consolidate the latest findings on environmentally induced adverse effects on 5hmC patterns in mammalian genomes. Types of environmental exposure under consideration include hypnotic drugs and medicines (i.e., phenobarbital, diethylstilbestrol, cocaine, methamphetamine, ethanol, dimethyl sulfoxide), as well as anthropogenic pollutants (i.e., heavy metals, particulate air pollution, bisphenol A, hydroquinone, and pentachlorophenol metabolites). We put a special focus on the discussion of molecular mechanisms underlying environmentally induced alterations in DNA hydroxymethylation patterns and their impact on genetic dysfunction. We conclude that DNA hydroxymethylation is a sensitive biosensor for many harmful environmental factors each of which specifically targets 5hmC in different organs, cell types, and DNA sequences and induces its changes through a specific metabolic pathway. The associated transcriptional changes suggest that environmentally induced 5hmC alterations play a role in epigenetically mediated genome flexibility. We believe that knowledge accumulated in this review together with further studies will provide a solid basis for new approaches to epigenetic therapy and chemoprevention of environmentally induced epigenetic toxicity involving 5hmC patterns.
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Affiliation(s)
- Olga A. Efimova
- D. O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya line 3, 199034 St. Petersburg, Russia; (A.S.K.); (M.I.K.); (A.V.T.); (A.A.P.)
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23
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DMSO supplementation during in vitro maturation of bovine oocytes improves blastocyst rate and quality. Theriogenology 2020; 148:140-148. [PMID: 32171973 DOI: 10.1016/j.theriogenology.2020.02.045] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/28/2020] [Accepted: 02/29/2020] [Indexed: 12/15/2022]
Abstract
The molecule Dimethyl sulfoxide is widely used as drug solvent. However, its antioxidant property was poorly explored. In this study, we evaluated the effect of DMSO supplementation during oocyte in vitro maturation (IVM) on embryo development and quality. Bovine oocytes were matured with different DMSO concentrations (0, 0.1, 0.25, 0.5, 0.75, 1 and 10% v:v) followed by in vitro fertilization. Subsequently, quality indicators such as gene expression of SOX2, OCT4, CDX2, SOD1, oocyte and embryo redox status and DNA damage were evaluated. Polar body extrusion and blastocyst rates increased with 0.5% v:v DMSO. Moreover, first polar body extrusion and blastocyst rates did not increase with 1%, and 10% of DMSO reduced polar body extrusion and did not produce blastocyst. Optimal concentration of DMSO for the use on the maturation was estimated at around 0.45% v:v. Supplementation with 0.5% v:v DMSO has not affected mRNA abundance of genes key in blastocyst, however 0.75% increased gene expression of OCT4 and SOX2. Oocytes matured with 0.5% v:v DMSO and blastocyst from DMSO group showed reduced lipid peroxidation respect control. Total Glutathione concentrations increased in blastocyst stage in DMSO group. DMSO increased the total cell number of blastocysts but not TUNEL positive cells. In conclusion, our results suggest that low DMSO concentrations used during bovine oocytes in vitro maturation increases the maturation, as well as the blastocyst rate and its quality, without demonstrating deleterious effect on embryo cells.
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24
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Wang J, Cui M, Sun F, Zhou K, Fan B, Qiu JH, Chen FQ. HDAC inhibitor sodium butyrate prevents allergic rhinitis and alters lncRNA and mRNA expression profiles in the nasal mucosa of mice. Int J Mol Med 2020; 45:1150-1162. [PMID: 32124940 PMCID: PMC7053856 DOI: 10.3892/ijmm.2020.4489] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 01/17/2020] [Indexed: 12/21/2022] Open
Abstract
Our previous study demonstrated that intranasal administration of histone deacetylase inhibitor sodium butyrate (NaB) exhibits therapeutic effects on a mouse model of allergic rhinitis (AR). However, whether NaB is effective on AR when administered orally and prophylactically, as well as its potential effects on gene expression, remained unknown. The present study aimed to investigate the preventive effect of NaB on AR when added to the diet of newly weaned mice and to evaluate the changes in long non-coding (lnc)RNA and mRNA expression profiles in the nasal mucosa. Mice were randomly divided into three groups as follows: i) Control (C) group, (no treatment); ii) AR group [treated with ovalbumin (OVA)]; and iii) NaB + AR group (treated with OVA and NaB). The NaB + AR group was administered NaB in their feed (30 g/kg chow), whereas the other two groups were fed normal feed between 3 and 6 weeks of age. At 7 weeks of age, OVA administration was initiated to induce AR in the AR and NaB + AR groups. Following model establishment, behavioral assessments, western blotting and gene expression analysis were performed. NaB exhibited a preventive effect in the murine AR model, diminished the increases in histone deacetylase 1 (HDAC1) and HDAC8 expression and increased OVA-induced acetylation of histone H3 at lysine 9. In addition, NaB increased the AR-associated low expression of interleukin 2 (IL-2), interferon γ and IL-17 and decreased the expression of IL-4, IL-5 and transforming growth factor β1. Gene Ontology and pathway analyses revealed the top 10 pathways among the groups. Octamer-binding transcription factor 1, ecotropic viral integration site 1 and paired box 4 were predicted to be target genes of lncRNA (NONMMUT057309). Thus, NaB may exhibit a preventive effect on AR. Additionally, the lncRNA and mRNA expression profiles in the nasal mucosa of mice with AR differed significantly following NaB treatment. These results may provide insights into the pathogenesis of AR and suggest new treatment targets.
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Affiliation(s)
- Jie Wang
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Mu Cui
- School of Nursing, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Fei Sun
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Ke Zhou
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Bei Fan
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Jian-Hua Qiu
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Fu-Quan Chen
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
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25
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Stubbs C, Congdon T, Davis J, Lester D, Richards SJ, Gibson MI. High-Throughput Tertiary Amine Deoxygenated Photopolymerizations for Synthesizing Polymer Libraries. Macromolecules 2019; 52:7603-7612. [PMID: 31656323 PMCID: PMC6812069 DOI: 10.1021/acs.macromol.9b01714] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Indexed: 12/19/2022]
Abstract
The huge chemical space potential of synthetic polymers means that in many studies only a small parameter range can be realistically synthesized in a short time and hence the "best" formulations may not be optimum. Throughput is traditionally limited by the need for deoxygenation in radical polymerizations, but advances in photopolymerization now provide opportunities for "in-air" polymerizations. Here, we have developed a protocol using liquid handling robots (or multichannel pipettes) with blue light photolysis of reversible addition fragmentation chain transfer agents and tertiary amine deoxygenation to enable the synthesis of polymer libraries in industry-standard 96-well plates with no specialized infrastructure and no degassing step. The roles of solvents and amine deoxygenators are explored to optimize the polymerization, particularly to look at alternatives to dimethyl sulfoxide (DMSO) for hydrophobic monomer (co)polymerization. DMSO is shown to aid the degassing process but is not easy to remove and hence prevents isolation of pure polymers. In contrast, using dioxane in-plate evaporation or precipitation of the tertiary amine allowed isolation of polymers in-plate. This removed all reaction components yielding pure polymers, which is not easily achieved with systems using metal catalysts and secondary reductants, such as ascorbic acid. As an example of the throughput, in just under 40 h, 392 polymers were synthesized and subsequently analyzed direct from plates by a 96-well plate sampling size exclusion chromatography system to demonstrate reproducibility. Due to less efficient degassing in dioxane (compared to DMSO), the molecular weight and dispersity control were limited in some cases (with acrylates giving the lowest dispersities), but the key aim of this system is to access hundreds of polymers quickly and in a format needed to enable testing. This method enables easy exploration of chemical space and development of screening libraries to identify hits for further study using precision polymerization methods.
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Affiliation(s)
- Christopher Stubbs
- Department
of Chemistry and Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
| | - Thomas Congdon
- Department
of Chemistry and Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
| | - Jessica Davis
- Department
of Chemistry and Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
| | - Daniel Lester
- Department
of Chemistry and Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
| | - Sarah-Jane Richards
- Department
of Chemistry and Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
| | - Matthew I. Gibson
- Department
of Chemistry and Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
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26
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Tomás RF, Bailey TL, Hasan M, Gibson MI. Extracellular Antifreeze Protein Significantly Enhances the Cryopreservation of Cell Monolayers. Biomacromolecules 2019; 20:3864-3872. [PMID: 31498594 PMCID: PMC6794639 DOI: 10.1021/acs.biomac.9b00951] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/30/2019] [Indexed: 12/24/2022]
Abstract
The cryopreservation of cells underpins many areas of biotechnology, healthcare, and fundamental science by enabling the banking and distribution of cells. Cryoprotectants are essential to prevent cold-induced damage. Here, we demonstrate that extracellular localization of antifreeze proteins can significantly enhance post-thaw recovery of mammalian cell monolayers cryopreserved using dimethyl sulfoxide, whereas they show less benefit in suspension cryopreservation. A type III antifreeze protein (AFPIII) was used as the macromolecular ice recrystallization inhibitor and its intra/extracellular locations were controlled by using Pep-1, a cell-penetrating peptide. Flow cytometry and confocal microscopy confirmed successful delivery of AFPIII. The presence of extracellular AFPIII dramatically increased post-thaw recovery in a challenging 2-D cell monolayer system using just 0.8 mg·mL-1, from 25% to over 60%, whereas intracellularly delivered AFPIII showed less benefit. Interestingly, the antifreeze protein was less effective when used in suspension cryopreservation of the same cells, suggesting that the cryopreservation format is also crucial. These observations show that, in the discovery of macromolecular cryoprotectants, intracellular delivery of ice recrystallization inhibitors may not be a significant requirement under "slow freezing" conditions, which will help guide the design of new biomaterials, in particular, for cell storage.
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Affiliation(s)
- Ruben
M. F. Tomás
- Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
| | - Trisha L. Bailey
- Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
| | - Muhammad Hasan
- Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
- Warwick
Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
| | - Matthew I. Gibson
- Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
- Warwick
Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
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27
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Naing AH, Kim CK. A brief review of applications of antifreeze proteins in cryopreservation and metabolic genetic engineering. 3 Biotech 2019; 9:329. [PMID: 31448185 PMCID: PMC6691018 DOI: 10.1007/s13205-019-1861-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 08/05/2019] [Indexed: 01/21/2023] Open
Abstract
Antifreeze proteins (AFPs) confer the ability to survive at subzero temperatures and are found in many different organisms, including fish, plants, and insects. They prevent the formation of ice crystals by non-colligative adsorption to the ice surface and are essential for the survival of organisms in cold environments. These proteins are also widely used for cryopreservation, food technology, and metabolic genetic engineering over a range of sources and recipient cell types. This review summarizes successful applications of AFPs in the cryopreservation of animals, insects, and plants, and discusses challenges encountered in cryopreservation. Applications in metabolic genetic engineering are also described, specifically with the overexpression of AFP genes derived from different organisms to provide freeze protection to sensitive crops seasonally exposed to subzero temperatures. This review will provide information about potential applications of AFPs in the cryopreservation of animals and plants as well as in plant metabolic genetic engineering in hopes of furthering the development of cold-tolerant organisms.
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Affiliation(s)
- Aung Htay Naing
- Department of Horticultural Science, College of Agriculture and Life Science, Kyungpook National University, Daegu, 41566 Korea
| | - Chang Kil Kim
- Department of Horticultural Science, College of Agriculture and Life Science, Kyungpook National University, Daegu, 41566 Korea
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28
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Raut N, Wicks SM, Lawal TO, Mahady GB. Epigenetic regulation of bone remodeling by natural compounds. Pharmacol Res 2019; 147:104350. [PMID: 31315065 PMCID: PMC6733678 DOI: 10.1016/j.phrs.2019.104350] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 06/27/2019] [Accepted: 07/10/2019] [Indexed: 12/12/2022]
Abstract
Osteoporosis and osteopenia impact more than 54 million Americans, resulting in significant morbidity and mortality. Alterations in bone remodeling are the hallmarks for osteoporosis, and thus the development of novel treatments that will prevent or treat bone diseases would be clinically significant, and improve the quality of life for these patients. Bone remodeling involves the removal of old bone by osteoclasts and the formation of new bone by osteoblasts. This process is tightly coupled, and is essential for the maintenance of bone strength and integrity. Since the osteoclast is the only cell capable of bone resorption, the development of drugs to treat bone disorders has primarily focused on reducing osteoclast differentiation, maturation, and bone resorption mechanisms, and there are few treatments that actually increase bone formation. Evidence from observational, experimental, and clinical studies demonstrate a positive link between naturally occurring compounds and improved indices of bone health. While many natural extracts and compounds are reported to have beneficial effects on bone, only resveratrol, sulforaphane, specific phenolic acids and anthocyanins, have been shown to both increase bone formation and reduce resorption through their effects on the bone epigenome. Each of these compounds alters specific aspects of the bone epigenome to improve osteoblast differentiation, reduce osteoblast apoptosis, improve bone mineralization, and reduce osteoclast differentiation and function. This review focuses on these specific natural compounds and their epigenetic regulation of bone remodeling.
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Affiliation(s)
- Nishikant Raut
- Department of Pharmacy Practice, College of Pharmacy, WHO/PAHO Collaborating Centre for Traditional Medicine, University of Illinois at Chicago, USA; Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, India
| | - Sheila M Wicks
- Department of Cellular and Molecular Medicine, Rush University, Chicago, IL 60612, USA
| | - Tempitope O Lawal
- Department of Pharmaceutical Microbiology, University of Ibadan, Ibadan, Nigeria
| | - Gail B Mahady
- Department of Pharmacy Practice, College of Pharmacy, WHO/PAHO Collaborating Centre for Traditional Medicine, University of Illinois at Chicago, USA.
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29
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Wijnen AJ, Westendorf JJ. Epigenetics as a New Frontier in Orthopedic Regenerative Medicine and Oncology. J Orthop Res 2019; 37:1465-1474. [PMID: 30977555 PMCID: PMC6588446 DOI: 10.1002/jor.24305] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/24/2019] [Accepted: 03/27/2019] [Indexed: 02/04/2023]
Abstract
Skeletal regenerative medicine aims to repair or regenerate skeletal tissues using pharmacotherapies, cell-based treatments, and/or surgical interventions. The field is guided by biological principles active during development, wound healing, aging, and carcinogenesis. Skeletal development and tissue maintenance in adults represent highly intricate biological processes that require continuous adjustments in the expression of cell type-specific genes that generate, remodel, and repair the skeletal extracellular matrix. Errors in these processes can facilitate musculoskeletal disease including cancers or injury. The fundamental molecular mechanisms by which cell type-specific patterns in gene expression are established and retained during successive mitotic divisions require epigenetic control, which we review here. We focus on epigenetic regulatory proteins that control the mammalian epigenome at the level of chromatin with emphasis on proteins that are amenable to drug intervention to mitigate skeletal tissue degeneration (e.g., osteoarthritis and osteoporosis). We highlight recent findings on a number of druggable epigenetic regulators, including DNA methyltransferases (e.g., DNMT1, DNMT3A, and DNMT3B) and hydroxylases (e.g., TET1, TET2, and TET3), histone methyltransferases (e.g., EZH1, EZH2, and DOT1L) as well as histone deacetylases (e.g., HDAC3, HDAC4, and HDAC7) and histone acetyl readers (e.g., BRD4) in relation to the development of bone or cartilage regenerative drug therapies. We also review how histone mutations lead to epigenomic catastrophe and cause musculoskeletal tumors. The combined body of molecular and genetic studies focusing on epigenetic regulators indicates that these proteins are critical for normal skeletogenesis and viable candidate drug targets for short-term local pharmacological strategies to mitigate musculoskeletal tissue degeneration. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:1465-1474, 2019.
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Affiliation(s)
- Andre J. Wijnen
- Department of Orthopedic SurgeryMayo Clinic200 First Street SW Rochester Minnesota
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30
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Nakayama K, Yamanaka T, Tamada Y, Hirabayashi M, Hochi S. Supplementary cryoprotective effect of carboxylated ε-poly-l-lysine during vitrification of rat pancreatic islets. Cryobiology 2019; 88:70-74. [PMID: 30922739 DOI: 10.1016/j.cryobiol.2019.03.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 02/17/2019] [Accepted: 03/20/2019] [Indexed: 11/18/2022]
Abstract
This study was designed to investigate whether cryosurvival of rat pancreatic islets can be improved by carboxylated ε-poly-l-lysine (CPLL). Islets isolated from Wistar × Brown-Norway F1 rats (101-200 μm in diameter) were cryopreserved in three vitrification solutions containing ethylene glycol (EG; 30%, v/v) and CPLL (0%, 10%, or 20%, v/v) by Cryotop® protocol (10 islets per device). The post-warm survival rate of the islets vitrified in the presence of 20% CPLL (74%), assessed by FDA/PI double staining, was higher than those in 0% and 10% CPLL (65% and 66%, respectively). Decreased EG concentrations (10% and 20%) in the presence of 20% CPLL resulted in impaired post-warm islet survival rates (50% and 64%, respectively). Value of stimulus index (SI) for 20 mM/3 mM glucose-stimulated insulin secretion was 4.1 in islets vitrified-warmed in the presence of 30% EG and 20% CPLL, which was comparable with those in fresh control islets and vitrified islets in 30% EG alone (4.1 and 4.4, respectively). A large number of islets (50 islets per device) could be cryopreserved in the presence of 30% EG and 20% CPLL by using nylon mesh as the device, without considerable loss of post-warm survival (68%) and SI value (3.7). In conclusion, supplementation of antifreeze 20% CPLL was effective in improving the post-warm survival of isolated rat pancreatic islets when vitrification solution containing 30% EG was used.
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Affiliation(s)
- Kenyu Nakayama
- Graduate School of Science and Technology, Shinshu University, Ueda, Nagano, 386-8567, Japan
| | - Takahiro Yamanaka
- Graduate School of Medicine, Science and Technology, Shinshu University, Ueda, Nagano, 386-8567, Japan
| | - Yasushi Tamada
- Graduate School of Science and Technology, Shinshu University, Ueda, Nagano, 386-8567, Japan; Graduate School of Medicine, Science and Technology, Shinshu University, Ueda, Nagano, 386-8567, Japan; Faculty of Textile Science and Technology, Shinshu University, Nagano, 386-8567, Japan
| | - Masumi Hirabayashi
- National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan; School of Life Science, The Graduate University for Advanced Studies, Okazaki, Aichi, 444-8787, Japan
| | - Shinichi Hochi
- Graduate School of Science and Technology, Shinshu University, Ueda, Nagano, 386-8567, Japan; Graduate School of Medicine, Science and Technology, Shinshu University, Ueda, Nagano, 386-8567, Japan; Faculty of Textile Science and Technology, Shinshu University, Nagano, 386-8567, Japan.
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Verheijen M, Lienhard M, Schrooders Y, Clayton O, Nudischer R, Boerno S, Timmermann B, Selevsek N, Schlapbach R, Gmuender H, Gotta S, Geraedts J, Herwig R, Kleinjans J, Caiment F. DMSO induces drastic changes in human cellular processes and epigenetic landscape in vitro. Sci Rep 2019; 9:4641. [PMID: 30874586 PMCID: PMC6420634 DOI: 10.1038/s41598-019-40660-0] [Citation(s) in RCA: 177] [Impact Index Per Article: 35.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 02/20/2019] [Indexed: 12/16/2022] Open
Abstract
Though clinical trials for medical applications of dimethyl sulfoxide (DMSO) reported toxicity in the 1960s, later, the FDA classified DMSO in the safest solvent category. DMSO became widely used in many biomedical fields and biological effects were overlooked. Meanwhile, biomedical science has evolved towards sensitive high-throughput techniques and new research areas, including epigenomics and microRNAs. Considering its wide use, especially for cryopreservation and in vitro assays, we evaluated biological effect of DMSO using these technological innovations. We exposed 3D cardiac and hepatic microtissues to medium with or without 0.1% DMSO and analyzed the transcriptome, proteome and DNA methylation profiles. In both tissue types, transcriptome analysis detected >2000 differentially expressed genes affecting similar biological processes, thereby indicating consistent cross-organ actions of DMSO. Furthermore, microRNA analysis revealed large-scale deregulations of cardiac microRNAs and smaller, though still massive, effects in hepatic microtissues. Genome-wide methylation patterns also revealed tissue-specificity. While hepatic microtissues demonstrated non-significant changes, findings from cardiac microtissues suggested disruption of DNA methylation mechanisms leading to genome-wide changes. The extreme changes in microRNAs and alterations in the epigenetic landscape indicate that DMSO is not inert. Its use should be reconsidered, especially for cryopreservation of embryos and oocytes, since it may impact embryonic development.
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Affiliation(s)
- M Verheijen
- Toxicogenomics, Maastricht University, Maastricht, Netherlands
| | - M Lienhard
- Computational Molecular Biology, Max-Planck-Institute for Molecular Genetics, Berlin, Germany
| | - Y Schrooders
- Toxicogenomics, Maastricht University, Maastricht, Netherlands
| | - O Clayton
- F. Hoffmann-La Roche AG, Basel, Switzerland
| | | | - S Boerno
- Computational Molecular Biology, Max-Planck-Institute for Molecular Genetics, Berlin, Germany
| | - B Timmermann
- Computational Molecular Biology, Max-Planck-Institute for Molecular Genetics, Berlin, Germany
| | - N Selevsek
- Functional Genomics Center Zurich, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - R Schlapbach
- Functional Genomics Center Zurich, ETH Zurich and University of Zurich, Zurich, Switzerland
| | | | - S Gotta
- Genedata AG, Basel, Switzerland
| | - J Geraedts
- Genetics and Cell Biology, Maastricht University, Medical Center, Maastricht, Netherlands
| | - R Herwig
- Computational Molecular Biology, Max-Planck-Institute for Molecular Genetics, Berlin, Germany
| | - J Kleinjans
- Toxicogenomics, Maastricht University, Maastricht, Netherlands
| | - F Caiment
- Toxicogenomics, Maastricht University, Maastricht, Netherlands.
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The influence of low dose Bisphenol A on whole genome DNA methylation and chromatin compaction in different human cell lines. Toxicol In Vitro 2019; 58:26-34. [PMID: 30876887 DOI: 10.1016/j.tiv.2019.03.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 02/23/2019] [Accepted: 03/07/2019] [Indexed: 12/14/2022]
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Mathot F, Shin AY, Van Wijnen AJ. Targeted stimulation of MSCs in peripheral nerve repair. Gene 2019; 710:17-23. [PMID: 30849542 DOI: 10.1016/j.gene.2019.02.078] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 02/15/2019] [Accepted: 02/18/2019] [Indexed: 02/08/2023]
Abstract
Mesenchymal stem cells (MSCs) have considerable translational potential in a wide variety of clinical disciplines and are the cellular foundation of individualized treatments of auto-immune, cardiac, neurologic and musculoskeletal diseases and disorders. While the cellular mechanisms by which MSCs exert their biological effects remain to be ascertained, it has been hypothesized that MSCs are supportive of local tissue repair through secretion of essential growth factors. Therapeutic applications of MSCs in peripheral nerve repair have recently been reported. This review focuses on how MSCs can promote nerve regeneration by conversion into Schwann-like cells, and discusses differentiation methods including delivery and dosing of naive or differentiated MSCs, as well as in vitro and in vivo outcomes. While MSC-based therapies for nerve repair are still in early stages of development, current progress in the field provides encouragement that MSCs may have utility in the treatment of patients with peripheral nerve injury.
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Affiliation(s)
- Femke Mathot
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Department of Plastic Surgery, Radboudumc, Nijmegen, the Netherlands
| | - Alexander Y Shin
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Andre J Van Wijnen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Department of Biochemistry and Molecular Biology, Mayo Clinic, MN, USA.
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Smith GD, Takayama S. Cryopreservation and microfluidics: a focus on the oocyte. Reprod Fertil Dev 2019; 31:93-104. [DOI: 10.1071/rd18326] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Cryopreservation of gametes and embryos has played a critical role in successful assisted reproductive technologies in rodents, domestic farm species, endangered species and humans. With improved success, and changing needs, the utility of gamete or embryo cryopreservation has escalated. In this review we address some of the foundational history of mammalian cryobiology, species-specific utilities, fundamental understandings of cryoprotectant agents and their use in slow-rate freezing and vitrification, and expand on the recent success and uses of oocyte vitrification and warming. In the area of female gamete cryopreservation, emphasis will be placed on not just cell survival, but also perceived and measured affects of cryopreservation on intracellular structures and functions that affect subsequent completion of meiosis with chromatin segregation fidelity, normal fertilisation and embryonic developmental competence. We compare and contrast data from cow, mouse and humans with a focus on using species-comparative developmental biology to guide future studies for improving methodologies for all species. The application of the relatively new technology microfluidics is discussed in relation to moving gradually (i.e. changing the solution over cells in an automated fashion) compared with the stepwise manual movement of cells through changing solution currently used. This use of microfluidics to change the way cells are exposed to cryoprotectant agents can provide new insights into the effects of osmotic stress and cellular strain rates previously unappreciated, precise methods of computational and biological data acquisition and appreciation of morphometric changes to cellular structure in response to different osmotic stresses and strain rates achieved with varying cryoprotectant exposures. Collectively, these devices and methodologies provide a means of achieving incremental improvement of oocyte and zygote cryopreservation with normalised and improved developmental competence. Finally, we look to the past and the future to acknowledge the accomplishment of leaders in the field of mammalian gamete and embryo cryobiology, their inspirational works, their tireless dissemination of information and the potential of new technologies in bioengineering to improve the efficiency and safety of gamete and embryo cryopreservation.
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Kandarakov OF, Bruter AV, Belyavsky AV. Modulation of Luciferase Production in Melanoma Cells in vitro. Mol Biol 2018. [DOI: 10.1134/s0026893318050084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Alsalim H, Jafarpour F, Ghazvini Zadegan F, Nasr-Esfahani MH, Niasari-Naslaji A. Epigenotoxic Effect of Dimethyl Sulfoxide on Buffalo Somatic Cells and Buffalo-Bovine Interspecies Somatic Cell Nuclear Transfer Embryos. CELL JOURNAL 2018; 20:544-551. [PMID: 30124001 PMCID: PMC6099134 DOI: 10.22074/cellj.2019.5446] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Accepted: 01/14/2018] [Indexed: 12/21/2022]
Abstract
Objective In the present study, we investigated the possible epigenotoxic effect of dimethyl sulfoxide (DMSO) on buffalo
fibroblast cells and on reconstructed oocytes during buffalo-bovine interspecies somatic cell nuclear transfer (iSCNT)
procedure and its effect on rate and quality of blastocyst which derived from these reconstructed oocytes.
Materials and Methods In this experimental study, cell viability of buffalo fibroblasts was assessed after exposure to various
concentration (0.5, 1, 2 and 4%) of DMSO using MTS assay. The epigenetic effect of DMSO was also assessed in terms of
DNA methylation in treated cells by flowcytometry. Reconstructed oocytes of buffalo-bovine iSCNT exposed for 16 hours after
activation to non-toxic concentration of DMSO (0.5%) to investigate the respective level of 5-methylcytosine, cleavage and
blastocyst rates and gene expression (pluripotent genes: OCT4, NANOG, SOX2, and trophectodermal genes: CDX2 and
TEAD4) of produced blastocysts.
Results Supplementation of culture medium with 4% DMSO had substantial adverse effect on the cell viability after
24 hours. DMSO, at 2% concentration, affected cell viability after 48 hours and increased DNA methylation and
mRNA expression of DNMT3A in fibroblast cells. Exposure of reconstructed oocytes to 0.5% DMSO for 16 hours post
activation did not have significant effect on DNA methylation, nor on the developmental competency of reconstructed
oocyte, however, it decreased the mRNA expression of NANOG in iSCNT blastocysts.
Conclusion Depending on the dose, DMSO might have epigenotoxic effect on buffalo fibroblast cells and reconstructed
oocytes and perturb the mRNA expression of NANOG in iSCNT blastocysts.
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Affiliation(s)
- Husamaldeen Alsalim
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.,Department of Theriogenology, Faculty of Veterinary Medicine, University of Basra, Basra, Iraq
| | - Farnoosh Jafarpour
- Department of Reproductive Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Faezeh Ghazvini Zadegan
- Department of Reproductive Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Mohammad Hossein Nasr-Esfahani
- Department of Reproductive Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran. Electronic Address:
| | - Amir Niasari-Naslaji
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran. Electronic Address:
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Svalgaard JD, Talkhoncheh MS, Haastrup EK, Munthe-Fog L, Clausen C, Hansen MB, Andersen P, Gørløv JS, Larsson J, Fischer-Nielsen A. Pentaisomaltose, an Alternative to DMSO. Engraftment of Cryopreserved Human CD34 + Cells in Immunodeficient NSG Mice. Cell Transplant 2018; 27:1407-1412. [PMID: 30056762 PMCID: PMC6168988 DOI: 10.1177/0963689718786226] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Hematopoietic stem cell transplantation often involves the cryopreservation of stem cell products. Currently, the standard cryoprotective agent (CPA) is dimethyl sulfoxide (DMSO), which is known to cause concentration-related toxicity and side effects when administered to patients. Based on promising in vitro data from our previous study using pentaisomaltose (a 1 kDa subfraction of Dextran 1) as an alternative to DMSO for cryopreservation of hematopoietic progenitor cells (HPCs) from apheresis products, we proceeded to a preclinical model and compared the two CPAs with respect to engraftment of human hematopoietic stem and progenitor cells (HSPCs) in the immunodeficient NSG mouse model. Human HPCs from apheresis products were cryopreserved with either pentaisomaltose or DMSO, and the following outcomes were measured: (1) the post-thaw recovery of cryopreserved cells and clonogenic potential of CD34+ cells and (2) hematopoietic engraftment in NSG mice. We found that recovery and colony-forming cells data were comparable between pentaisomaltose and DMSO. The engraftment data revealed comparable human CD45+ levels in peripheral blood at 8 weeks and bone marrow at 16 weeks post transplantation. Additionally, the frequencies of CD34+CD38low/negative and myeloid/lymphoid cells in the bone marrow were comparable. We here demonstrated that long-term engrafting HSPCs were well preserved in pentaisomaltose and comparable to cells cryopreserved with DMSO. Although a clinical trial is necessary to translate these results into human use, the present data represent an important step toward the replacement of DMSO with a non-toxic alternative.
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Affiliation(s)
- Jesper Dyrendom Svalgaard
- 1 Department of Clinical Immunology, Cell Therapy Facility, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | | | - Eva Kannik Haastrup
- 1 Department of Clinical Immunology, Cell Therapy Facility, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Lea Munthe-Fog
- 1 Department of Clinical Immunology, Cell Therapy Facility, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | | | - Morten Bagge Hansen
- 1 Department of Clinical Immunology, Cell Therapy Facility, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Pernille Andersen
- 4 Department of Clinical Immunology, Stem Cell Facility, Herlev Hospital, Herlev, Denmark
| | - Jette Sønderskov Gørløv
- 5 Department of Hematology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Jonas Larsson
- 2 Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Anne Fischer-Nielsen
- 1 Department of Clinical Immunology, Cell Therapy Facility, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
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Stratigopoulos G, De Rosa MC, LeDuc CA, Leibel RL, Doege CA. DMSO increases efficiency of genome editing at two non-coding loci. PLoS One 2018; 13:e0198637. [PMID: 29864154 PMCID: PMC5986138 DOI: 10.1371/journal.pone.0198637] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 05/22/2018] [Indexed: 11/19/2022] Open
Abstract
Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR-associated protein-9 (Cas9) has become the tool of choice for genome editing. Despite the fact that it has evolved as a highly efficient means to edit/replace coding sequence, CRISPR/Cas9 efficiency for “clean” editing of non-coding DNA remains low. We set out to introduce a single base-pair substitution in two intronic SNPs at the FTO locus without altering nearby non-coding sequence. Substitution efficiency increased up to 10-fold by treatment of human embryonic stem cells (ESC) with non-toxic levels of DMSO (1%) before CRISPR/Cas9 delivery. Treatment with DMSO did not result in CRISPR/Cas9 off-target effects or compromise the chromosomal stability of the ESC. Twenty-four hour treatment of human ESC with DMSO before CRISPR/Cas9 delivery may prove a simple means to increase editing efficiency of non-coding DNA without incorporation of undesirable mutations.
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Affiliation(s)
- George Stratigopoulos
- Department of Pediatrics, Columbia University, New York, NY, United States of America
- Naomi Berrie Diabetes Center, Columbia University Medical Center, New York, NY, United States of America
- * E-mail:
| | - Maria Caterina De Rosa
- Department of Pediatrics, Columbia University, New York, NY, United States of America
- Naomi Berrie Diabetes Center, Columbia University Medical Center, New York, NY, United States of America
- Columbia Stem Cell Initiative, Columbia University Medical Center, New York, NY, United States of America
| | - Charles A. LeDuc
- Department of Pediatrics, Columbia University, New York, NY, United States of America
- Naomi Berrie Diabetes Center, Columbia University Medical Center, New York, NY, United States of America
- New York Obesity Nutrition Research Center, Columbia University, New York, NY, United States of America
| | - Rudolph L. Leibel
- Department of Pediatrics, Columbia University, New York, NY, United States of America
- Naomi Berrie Diabetes Center, Columbia University Medical Center, New York, NY, United States of America
- New York Obesity Nutrition Research Center, Columbia University, New York, NY, United States of America
- Institute of Human Nutrition, Columbia University, New York, NY, United States of America
| | - Claudia A. Doege
- Naomi Berrie Diabetes Center, Columbia University Medical Center, New York, NY, United States of America
- Columbia Stem Cell Initiative, Columbia University Medical Center, New York, NY, United States of America
- New York Obesity Nutrition Research Center, Columbia University, New York, NY, United States of America
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States of America
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Bruter AV, Kandarakov OF, Belyavsky AV. Persistence of plasmid-mediated expression of transgenes in human mesenchymal stem cells depends primarily on CpG levels of both vector and transgene. J Gene Med 2018; 20:e3009. [DOI: 10.1002/jgm.3009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 01/20/2018] [Accepted: 01/20/2018] [Indexed: 01/25/2023] Open
Affiliation(s)
- Alexandra V. Bruter
- Russian Academy of Sciences; Engelhardt Institute of Molecular Biology; Moscow Russia
| | - Oleg F. Kandarakov
- Russian Academy of Sciences; Engelhardt Institute of Molecular Biology; Moscow Russia
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Abstract
The phenotype of the human embryo conceived through in vitro fertilization (IVF), that is its morphology, developmental kinetics, physiology and metabolism, can be affected by numerous components of the laboratory and embryo culture system (which comprise the laboratory environment). The culture media formulation is important in determining embryo phenotype, but this exists within a culture system that includes oxygen, temperature, pH and whether an embryo is cultured individually or in a group, all of which can influence embryo development. Significantly, exposure of an embryo to one suboptimal component of the culture system of laboratory typically predisposes the embryo to become more vulnerable to a second stressor, as has been well documented for atmospheric oxygen and individual culture, as well as for oxygen and ammonium. Furthermore, the inherent viability of the human embryo is derived from the quality of the gametes from which it is created. Patient age, aetiology, genetics, lifestyle (as well as ovarian stimulation in women) are all known to affect the developmental potential of gametes and hence the embryo. Thus, as well as considering the impact of the IVF laboratory environment, one needs to be aware of the status of the infertile couple, as this impacts how their gametes and embryos will respond to an in vitro environment. Although far from straight forward, analysing the interactions that exist between the human embryo and its environment will facilitate the creation of more effective and safer treatments for the infertile couple.
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41
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Fujikawa T, Ando T, Gen Y, Hyon SH, Kubota C. Cryopreservation of bovine somatic cells using antifreeze polyamino-acid (carboxylated poly- l -lysine). Cryobiology 2017; 76:140-145. [DOI: 10.1016/j.cryobiol.2017.01.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 01/30/2017] [Accepted: 01/31/2017] [Indexed: 01/07/2023]
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Vinnai JR, Cumming RC, Thompson GJ, Timoshenko AV. The association between oxidative stress-induced galectins and differentiation of human promyelocytic HL-60 cells. Exp Cell Res 2017; 355:113-123. [DOI: 10.1016/j.yexcr.2017.03.059] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 03/27/2017] [Accepted: 03/28/2017] [Indexed: 12/14/2022]
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Ota A, Matsumura K, Lee JJ, Sumi S, Hyon SH. StemCell Keep™ Is Effective for Cryopreservation of Human Embryonic Stem Cells by Vitrification. Cell Transplant 2017; 26:773-787. [PMID: 27503846 PMCID: PMC5657710 DOI: 10.3727/096368916x692654] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Accepted: 12/13/2016] [Indexed: 12/28/2022] Open
Abstract
Safe and stable cryopreservation is critical for research involving human embryonic stem cells (hESCs). Dimethyl sulfoxide (DMSO) is a popular cryoprotective agent; however, its cytotoxicity cannot be ignored. Thus, there is a need for an alternate cryoprotectant. We reported previously that a novel cryopreservation reagent, StemCell Keep™ (SCK), was effective for cryopreserving human induced pluripotent stem cells (hiPSCs) by vitrification. Because hESCs and hiPSCs are not identical, the current study examined the use of SCK on hESCs. hESCs cryopreserved with SCK were thawed and cultured on SNL 76/7 cells, which were derived from a mouse fibroblast STO cell line transformed with neomycin resistance and murine LIF genes. After cryopreservation, cultured hESCs were assessed for their attachment ability and characterized by alkaline phosphatase (AP) and immunocytochemical (ICC) staining, fluorescence-activated cell sorting (FACS), reverse transcription polymerase chain reaction (RT-PCR), and karyotyping. The proliferation of SCK-cryopreserved hESCs cultured on SNL cells, or in feeder-free conditions, was higher than that of cells preserved in a solution of 2 M DMSO, 1 M acetamide, and 3 M propylene glycol (DAP). The cell number with SCK-cryopreserved hESCs was about twice that of hESCs cryopreserved in DAP. The pluripotency of SCK-cryopreserved hESCs was similar to that of DAP-cryopreserved hESCs based on AP staining. Data from ICC, FACS, and RT-PCR analyses showed that stem cell markers were continually expressed on SCK-cryopreserved hESCs. The teratoma assay showed that SCK-cryopreserved hESCs differentiated into three germ layers. Furthermore, SCK-cryopreserved hESCs had normal karyotypes. These data indicate that SCK was effective for cryopreservation of hESCs by vitrification.
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Affiliation(s)
- Akemi Ota
- Department of Medical Simulation Engineering, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
- Bio Verde Inc., Kyoto, Japan
| | - Kazuaki Matsumura
- School of Materials Science, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa, Japan
| | - Jun-Jae Lee
- Department of Medical Simulation Engineering, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
| | - Shoichiro Sumi
- Department of Organ Reconstruction, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
| | - Soung-Hyu Hyon
- Department of Medical Simulation Engineering, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
- Center for Fiber and Textile Science, Kyoto Institute for Technology, Kyoto, Japan
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Farzaneh K, Thaler R, Paradise CR, Deyle DR, Julio MKD, Galindo M, Gordon JA, Stein GS, Dudakovic A, van Wijnen AJ. Histone H4 Methyltransferase Suv420h2 Maintains Fidelity of Osteoblast Differentiation. J Cell Biochem 2017; 118:1262-1272. [PMID: 27862226 PMCID: PMC5357582 DOI: 10.1002/jcb.25787] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 11/07/2016] [Indexed: 12/13/2022]
Abstract
Osteogenic lineage commitment and progression is controlled by multiple signaling pathways (e.g., WNT, BMP, FGF) that converge on bone-related transcription factors. Access of osteogenic transcription factors to chromatin is controlled by epigenetic regulators that generate post-translational modifications of histones ("histone code"), as well as read, edit and/or erase these modifications. Our understanding of the biological role of epigenetic regulators in osteoblast differentiation remains limited. Therefore, we performed next-generation RNA sequencing (RNA-seq) and established which chromatin-related proteins are robustly expressed in mouse bone tissues (e.g., fracture callus, calvarial bone). These studies also revealed that cells with increased osteogenic potential have higher levels of the H4K20 methyl transferase Suv420h2 compared to other methyl transferases (e.g., Suv39h1, Suv39h2, Suv420h1, Ezh1, Ezh2). We find that all six epigenetic regulators are transiently expressed at different stages of osteoblast differentiation in culture, with maximal mRNAs levels of Suv39h1 and Suv39h2 (at day 3) preceding maximal expression of Suv420h1 and Suv420h2 (at day 7) and developmental stages that reflect, respectively, early and later collagen matrix deposition. Loss of function analysis of Suv420h2 by siRNA depletion shows loss of H4K20 methylation and decreased expression of bone biomarkers (e.g., alkaline phosphatase/Alpl) and osteogenic transcription factors (e.g., Sp7/Osterix). Furthermore, Suv420h2 is required for matrix mineralization during osteoblast differentiation. We conclude that Suv420h2 controls the H4K20 methylome of osteoblasts and is critical for normal progression of osteoblastogenesis. J. Cell. Biochem. 118: 1262-1272, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Khani Farzaneh
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Roman Thaler
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | | | | | | | - Mario Galindo
- Millennium Institute on Immunology and Immunotherapy, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
- Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Jonathan A. Gordon
- Department of Biochemistry, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, Vermont 05405
| | - Gary S. Stein
- Department of Biochemistry, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, Vermont 05405
| | - Amel Dudakovic
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Andre J. van Wijnen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
- Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
- Corresponding author: Andre J. van Wijnen, Ph.D., Mayo Clinic, 200 First Street SW, Rochester, MN 55905, Phone: 507- 293-2105, Fax: 507-284-5075,
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van de Peppel J, Strini T, Tilburg J, Westerhoff H, van Wijnen AJ, van Leeuwen JP. Identification of Three Early Phases of Cell-Fate Determination during Osteogenic and Adipogenic Differentiation by Transcription Factor Dynamics. Stem Cell Reports 2017; 8:947-960. [PMID: 28344004 PMCID: PMC5390132 DOI: 10.1016/j.stemcr.2017.02.018] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 02/20/2017] [Accepted: 02/20/2017] [Indexed: 01/08/2023] Open
Abstract
Age-related skeletal degeneration in patients with osteoporosis is characterized by decreased bone mass and occurs concomitant with an increase in bone marrow adipocytes. Using microarray expression profiling with high temporal resolution, we identified gene regulatory events in early stages of osteogenic and adipogenic lineage commitment of human mesenchymal stromal cells (hMSCs). Data analysis revealed three distinct phases when cells adopt a committed expression phenotype: initiation of differentiation (0-3 hr, phase I), lineage acquisition (6-24 hr, phase II), and early lineage progression (48-96 hr, phase III). Upstream regulator analysis identified 34 transcription factors (TFs) in phase I with a role in hMSC differentiation. Interestingly, expression levels of identified TFs did not always change and indicate additional post-transcriptional regulatory mechanisms. Functional analysis revealed that forced expression of IRF2 enhances osteogenic differentiation. Thus, IRF2 and other early-responder TFs may control osteogenic cell fate of MSCs and should be considered in mechanistic models that clarify bone-anabolic changes during clinical progression of osteoporosis.
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Affiliation(s)
- Jeroen van de Peppel
- Bone and Calcium Metabolism, Department Internal Medicine, Erasmus MC, Wytemaweg 80, Postbus 2040, 3000 CA Rotterdam, the Netherlands
| | - Tanja Strini
- Bone and Calcium Metabolism, Department Internal Medicine, Erasmus MC, Wytemaweg 80, Postbus 2040, 3000 CA Rotterdam, the Netherlands
| | - Julia Tilburg
- Bone and Calcium Metabolism, Department Internal Medicine, Erasmus MC, Wytemaweg 80, Postbus 2040, 3000 CA Rotterdam, the Netherlands
| | - Hans Westerhoff
- Synthetic Systems Biology, University of Amsterdam, 1081 HZ Amsterdam, the Netherlands; Molecular Cell Physiology, VU University Amsterdam, 1081 HZ Amsterdam, the Netherlands; Systems Biology, MCISB, University of Manchester, Manchester M1 7DN, UK
| | - Andre J van Wijnen
- Bone and Calcium Metabolism, Department Internal Medicine, Erasmus MC, Wytemaweg 80, Postbus 2040, 3000 CA Rotterdam, the Netherlands; Department of Orthopedic Surgery, Biochemistry & Molecular Biology, and Physiology & Biomedical Engineering, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA
| | - Johannes P van Leeuwen
- Bone and Calcium Metabolism, Department Internal Medicine, Erasmus MC, Wytemaweg 80, Postbus 2040, 3000 CA Rotterdam, the Netherlands.
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Pollock K, Samsonraj RM, Dudakovic A, Thaler R, Stumbras A, McKenna DH, Dosa PI, van Wijnen AJ, Hubel A. Improved Post-Thaw Function and Epigenetic Changes in Mesenchymal Stromal Cells Cryopreserved Using Multicomponent Osmolyte Solutions. Stem Cells Dev 2017; 26:828-842. [PMID: 28178884 DOI: 10.1089/scd.2016.0347] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Current methods for freezing mesenchymal stromal cells (MSCs) result in poor post-thaw function, which limits the clinical utility of these cells. This investigation develops a novel approach to preserve MSCs using combinations of sugars, sugar alcohols, and small-molecule additives. MSCs frozen using these solutions exhibit improved post-thaw attachment and a more normal alignment of the actin cytoskeleton compared to cells exposed to dimethylsulfoxide (DMSO). Osteogenic and chondrogenic differentiation assays show that cells retain their mesenchymal lineage properties. Genomic analysis indicates that the different freezing media evaluated have different effects on the levels of DNA hydroxymethylation, which are a principal epigenetic mark and a key step in the demethylation of CpG doublets. RNA sequencing and quantitative real time-polymerase chain reaction validation demonstrate that transcripts for distinct classes of cytoprotective genes, as well as genes related to extracellular matrix structure and growth factor/receptor signaling are upregulated in experimental freezing solutions compared to DMSO. For example, the osmotic regulator galanin, the antiapoptotic marker B cell lymphoma 2, as well as the cell surface adhesion molecules CD106 (vascular cell adhesion molecule 1) and CD54 (intracellular adhesion molecule 1) are all elevated in DMSO-free solutions. These studies validate the concept that DMSO-free solutions improve post-thaw biological functions and are viable alternatives for freezing MSCs. These novel solutions promote expression of cytoprotective genes, modulate the CpG epigenome, and retain the differentiation ability of MSCs, suggesting that osmolyte-based freezing solutions may provide a new paradigm for therapeutic cell preservation.
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Affiliation(s)
- Kathryn Pollock
- 1 Department of Biomedical Engineering, University of Minnesota , Minneapolis, Minnesota
| | | | - Amel Dudakovic
- 2 Department of Orthopedic Surgery, Mayo Clinic , Rochester, Minnesota
| | - Roman Thaler
- 2 Department of Orthopedic Surgery, Mayo Clinic , Rochester, Minnesota
| | - Aron Stumbras
- 3 Stem Cell Institute, University of Minnesota , Minneapolis, Minnesota
| | - David H McKenna
- 4 Department of Laboratory Medicine and Pathology, University of Minnesota , Minneapolis, Minnesota
| | - Peter I Dosa
- 5 Institute for Therapeutics Discovery and Development, University of Minnesota , Minneapolis, Minnesota
| | | | - Allison Hubel
- 6 Department of Mechanical Engineering, University of Minnesota , Minneapolis, Minnesota
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Zhang M, Oldenhof H, Sieme H, Wolkers WF. Combining endocytic and freezing-induced trehalose uptake for cryopreservation of mammalian cells. Biotechnol Prog 2016; 33:229-235. [DOI: 10.1002/btpr.2399] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2016] [Revised: 09/06/2016] [Indexed: 01/25/2023]
Affiliation(s)
- Miao Zhang
- Inst. of Multiphase Processes; Leibniz Universität Hannover; Hannover Germany
| | - Harriëtte Oldenhof
- Clinic for Horses, Unit for Reproductive Medicine; University of Veterinary Medicine Hannover; Hannover Germany
| | - Harald Sieme
- Clinic for Horses, Unit for Reproductive Medicine; University of Veterinary Medicine Hannover; Hannover Germany
| | - Willem F. Wolkers
- Inst. of Multiphase Processes; Leibniz Universität Hannover; Hannover Germany
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Nastasa V, Pascu A, Boni M, Smarandache A, Staicu A, Pascu M. Insights into the photophysics of zinc phthalocyanine and photogenerated singlet oxygen in DMSO-water mixture. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.04.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Svalgaard JD, Haastrup EK, Reckzeh K, Holst B, Glovinski PV, Gørløv JS, Hansen MB, Moench KT, Clausen C, Fischer-Nielsen A. Low-molecular-weight carbohydrate Pentaisomaltose may replace dimethyl sulfoxide as a safer cryoprotectant for cryopreservation of peripheral blood stem cells. Transfusion 2016; 56:1088-95. [PMID: 26991781 DOI: 10.1111/trf.13543] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 01/05/2016] [Accepted: 01/12/2016] [Indexed: 01/15/2023]
Abstract
BACKGROUND Cryopreserved hematopoietic stem cell products are widely used for certain hematologic malignancies. Dimethyl sulfoxide (DMSO) is the most widely used cryoprotective agent (CPA) today, but due to indications of cellular toxicity, changes of the cellular epigenetic state, and patient-related side effects, there is an increasing demand for DMSO-free alternatives. We therefore investigated whether Pentaisomaltose (PIM), a low-molecular-weight carbohydrate (1 kDa), can be used for cryopreservation of peripheral blood stem cells, more specifically hematopoietic progenitor cell apheresis (HPC(A)) product. STUDY DESIGN AND METHODS We cryopreserved patient or donor HPC(A) products using 10% DMSO or 16% PIM and quantified the recovery of CD34+ cells and CD34+ subpopulations by multicolor flow cytometry. In addition, we compared the frequency of HPCs after DMSO and PIM cryopreservation using the colony-forming cells (CFCs) assay. RESULTS The mean CD34+ cell recovery was 56.3 ± 23.7% (11.4%-97.3%) and 58.2 ± 10.0% (45.7%-76.9%) for 10% DMSO and 16% PIM, respectively. The distribution of CD34+ cell subpopulations was similar when comparing DMSO or PIM as CPA. CFC assay showed mean colony numbers of 70.7 ± 25.4 (range, 37.8-115.5) and 67.7 ± 15.7 (range, 48-86) for 10% DMSO and 16% PIM, respectively. CONCLUSION Our findings demonstrate that PIM cryopreservation of HPC(A) products provides recovery of CD34+ cells, CD34+ subpopulations, and CFCs similar to that of DMSO cryopreservation and therefore may have the potential to be used for cryopreservation of peripheral blood stem cells.
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Affiliation(s)
- Jesper Dyrendom Svalgaard
- Department of Clinical Immunology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Eva Kannik Haastrup
- Department of Clinical Immunology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Kristian Reckzeh
- The Finsen Laboratory, Biotech Research and Innovation Centre and Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | | | - Peter Viktor Glovinski
- Department of Plastic Surgery and Burns, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | | | - Morten Bagge Hansen
- Department of Clinical Immunology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Kim Theilgaard Moench
- The Finsen Laboratory, Biotech Research and Innovation Centre and Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,Department of Hematology, Skånes University Hospital, Lund, Sweden
| | | | - Anne Fischer-Nielsen
- Department of Clinical Immunology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
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Fairhall EA, Charles MA, Probert PME, Wallace K, Gibb J, Ravindan C, Soloman M, Wright MC. Pancreatic B-13 Cell Trans-Differentiation to Hepatocytes Is Dependent on Epigenetic-Regulated Changes in Gene Expression. PLoS One 2016; 11:e0150959. [PMID: 26954030 PMCID: PMC4782989 DOI: 10.1371/journal.pone.0150959] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Accepted: 02/22/2016] [Indexed: 11/24/2022] Open
Abstract
The proliferative B-13 pancreatic cell line is unique in its ability to generate functional hepatocyte-like (B-13/H) cells in response to exposure to glucocorticoid. In these studies, quantitatively comparable hepatic levels of liver-specific and liver-enriched transcription factor and hepatocyte defining mRNA transcripts were expressed after 10–14 days continuous treatment with glucocorticoid. This conversion in phenotype was associated with increased Gr-α mRNA expression and translation of a functional N-terminally truncated variant protein that localized to the nucleus in B-13/H cells. A short (6 hours) pulse exposure to glucocorticoid was also sufficient to transiently activate the Gr and irreversibly drive near identical conversion to B-13/H cells. Examination of epigenetic-related mechanisms demonstrated that B-13 DNA was rapidly methylated and de-methylated over the initial 2 days in response to both continuous or pulse exposure with glucocorticoid. DNA methylation and glucocorticoid-dependent conversion to an hepatic B-13/H phenotype was blocked by the methylation inhibitor, 5-azacytidine. Conversion to an hepatic B-13/H phenotype was also blocked by histone deacetylase inhibitors. Previous experiments have identified N-terminal Sgk1 variant proteins as pivotal to the mechanism(s) associated with pancreatic–hepatic differentiation. Both continuous and pulse exposure to DEX was sufficient to result in a near-similar robust transcriptional increase in Sgk1c mRNA expression from undetectable levels in B-13 cells. Notably, expression of Sgk1c mRNA remained constitutive 14 days later; including after pulse exposure to glucocorticoid and this induction was inhibited by 5-azacytidine or by histone deacetylase inhibitors. These data therefore suggest that exposing B-13 cells to glucocorticoid results in a Gr-dependent pulse in DNA methylation and likely other epigenetic changes such as histone modifications that leads to constitutive expression of Sgk1c and irreversible reprogramming of B-13 cells into B-13/H cells. Understanding and application of these mechanism(s) may enhance the functionality of stem cell-derived hepatocytes generated in vitro.
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Affiliation(s)
- Emma A. Fairhall
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
| | - Michelle A. Charles
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
| | | | - Karen Wallace
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
- School of Medical Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Jennifer Gibb
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
| | - Chandni Ravindan
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
| | - Martin Soloman
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
| | - Matthew C. Wright
- Institute of Cellular Medicine, Newcastle University, Newcastle, United Kingdom
- * E-mail:
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