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Baust JM, Corwin W, Snyder KK, Van Buskirk R, Baust JG. Cryopreservation: Evolution of Molecular Based Strategies. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 951:13-29. [PMID: 27837551 DOI: 10.1007/978-3-319-45457-3_2] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cryopreservation (CP) is an enabling process providing for on-demand access to biological material (cells and tissues) which serve as a starting, intermediate or even final product. While a critical tool, CP protocols, approaches and technologies have evolved little over the last several decades. A lack of conversion of discoveries from the CP sciences into mainstream utilization has resulted in a bottleneck in technological progression in areas such as stem cell research and cell therapy. While the adoption has been slow, discoveries including molecular control and buffering of cell stress response to CP as well as the development of new devices for improved sample freezing and thawing are providing for improved CP from both the processing and sample quality perspectives. Numerous studies have described the impact, mechanisms and points of control of cryopreservation-induced delayed-onset cell death (CIDOCD). In an effort to limit CIDOCD, efforts have focused on CP agent and freeze media formulation to provide a solution path and have yielded improvements in survival over traditional approaches. Importantly, each of these areas, new technologies and cell stress modulation, both individually and in combination, are now providing a new foundation to accelerate new research, technology and product development for which CP serves as an integral component. This chapter provides an overview of the molecular stress responses of cells to cryopreservation, the impact of the hypothermic and cell death continuums and the targeted modulation of common and/or cell specific responses to CP in providing a path to improving cell quality.
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Affiliation(s)
- John M Baust
- CPSI Biotech, 2 Court St, Owego, NY, 13827, USA. .,Institute of Biomedical Technology, State University of New York at Binghamton, 4400 Vestal Parkway East, Binghamton, NY, 13902, USA.
| | - William Corwin
- Department of Immunology and Carole and Ray Neag Comprehensive Cancer Center, University of Connecticut School of Medicine, Farmington, CT, 06030, USA
| | - Kristi K Snyder
- CPSI Biotech, 2 Court St, Owego, NY, 13827, USA.,Institute of Biomedical Technology, State University of New York at Binghamton, 4400 Vestal Parkway East, Binghamton, NY, 13902, USA
| | - Robert Van Buskirk
- CPSI Biotech, 2 Court St, Owego, NY, 13827, USA.,Institute of Biomedical Technology, State University of New York at Binghamton, 4400 Vestal Parkway East, Binghamton, NY, 13902, USA.,Department of Biological Sciences, Binghamton University, 4400 Vestal Parkway East, Binghamton, NY, 13902, USA
| | - John G Baust
- Institute of Biomedical Technology, State University of New York at Binghamton, 4400 Vestal Parkway East, Binghamton, NY, 13902, USA.,Department of Biological Sciences, Binghamton University, 4400 Vestal Parkway East, Binghamton, NY, 13902, USA
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Baust JG, Snyder KK, Van Buskirk R, Baust JM. Integrating Molecular Control to Improve Cryopreservation Outcome. Biopreserv Biobank 2017; 15:134-141. [DOI: 10.1089/bio.2016.0119] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- John G. Baust
- Institute of Biomedical Technology, State University of New York at Binghamton, Binghamton, New York
- Department of Biological Sciences, Binghamton University, Binghamton, New York
| | - Kristi K. Snyder
- Institute of Biomedical Technology, State University of New York at Binghamton, Binghamton, New York
- CPSI Biotech, Owego, New York
| | - Robert Van Buskirk
- Institute of Biomedical Technology, State University of New York at Binghamton, Binghamton, New York
- Department of Biological Sciences, Binghamton University, Binghamton, New York
- CPSI Biotech, Owego, New York
| | - John M. Baust
- Institute of Biomedical Technology, State University of New York at Binghamton, Binghamton, New York
- CPSI Biotech, Owego, New York
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López I, Tournillon AS, Nylander K, Fåhraeus R. p53-mediated control of gene expression via mRNA translation during Endoplasmic Reticulum stress. Cell Cycle 2016; 14:3373-8. [PMID: 26397130 PMCID: PMC4825612 DOI: 10.1080/15384101.2015.1090066] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
p53 is activated by different stress and damage pathways and regulates cell biological responses including cell cycle arrest, repair pathways, apoptosis and senescence. Following DNA damage, the levels of p53 increase and via binding to target gene promoters, p53 induces expression of multiple genes including p21CDKN1A and mdm2. The effects of p53 on gene expression during the DNA damage response are well mimicked by overexpressing p53 under normal conditions. However, stress to the Endoplasmic Reticulum (ER) and the consequent Unfolded Protein Response (UPR) leads to the induction of the p53/47 isoform that lacks the first 40 aa of p53 and to an active suppression of p21CDKN1A transcription and mRNA translation. We now show that during ER stress p53 also suppresses MDM2 protein levels via a similar mechanism. These observations not only raise questions about the physiological role of MDM2 during ER stress but it also reveals a new facet of p53 as a repressor toward 2 of its major target genes during the UPR. As suppression of p21CDKN1A and MDM2 protein synthesis is mediated via their coding sequences, it raises the possibility that p53 controls mRNA translation via a common mechanism that might play an important role in how p53 regulates gene expression during the UPR, as compared to the transcription-dependent gene regulation taking place during the DNA damage response.
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Affiliation(s)
- Ignacio López
- a Équipe Labellisée Ligue Contre le Cancer; Université Paris 7; INSERM UMR 1162 "Génomique fonctionnelle des tumeurs solides" ; Paris , France
| | - Anne-Sophie Tournillon
- a Équipe Labellisée Ligue Contre le Cancer; Université Paris 7; INSERM UMR 1162 "Génomique fonctionnelle des tumeurs solides" ; Paris , France
| | - Karin Nylander
- b Department of Medical Biosciences ; Umeå University ; Umeå , Sweden
| | - Robin Fåhraeus
- a Équipe Labellisée Ligue Contre le Cancer; Université Paris 7; INSERM UMR 1162 "Génomique fonctionnelle des tumeurs solides" ; Paris , France ,b Department of Medical Biosciences ; Umeå University ; Umeå , Sweden.,c RECAMO; Masaryk Memorial Cancer Institute ; Brno , Czech Republic
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Borrego-Diaz E, Terai K, Lialyte K, Wise AL, Esfandyari T, Behbod F, Mautner VF, Spyra M, Taylor S, Parada LF, Upadhyaya M, Farassati F. Overactivation of Ras signaling pathway in CD133+ MPNST cells. J Neurooncol 2012; 108:423-34. [DOI: 10.1007/s11060-012-0852-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2011] [Accepted: 03/13/2012] [Indexed: 01/06/2023]
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Jiang Z, Fan Q, Zhang Z, Zou Y, Cai R, Wang Q, Zuo Y, Cheng J. SENP1 deficiency promotes ER stress-induced apoptosis by increasing XBP1 SUMOylation. Cell Cycle 2012; 11:1118-22. [PMID: 22370484 DOI: 10.4161/cc.11.6.19529] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The transcription factor X box-binding protein 1 (XBP1) is a key component of the endoplasmic reticulum (ER) stress response. Recently, it has been reported that the spliced XBP1 (XBP1s), an activated XBP1 during ER stress, can be SUMOylated. Here, we identify Sentrin/SUMO-specific protease 1 (SENP1) as a specific de-SUMOylation protease for XBP1. SENP1 can increase the transcriptional activity of XBP1. In Senp1 (-/-) cells, the SUMOylated XBP1 is accumulated, and the expression of XBP1 target genes is downregulated in response to ER stress. Moreover, SENP1 deficiency significantly increases ER stress-induced apoptosis through accumulating XBP1 SUMOylation. These results reveal an essential function of SENP1 in ER stress response through regulating XBP1 SUMOylation.
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Affiliation(s)
- Zhou Jiang
- Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Hetz C, Martinon F, Rodriguez D, Glimcher LH. The unfolded protein response: integrating stress signals through the stress sensor IRE1α. Physiol Rev 2011; 91:1219-43. [PMID: 22013210 DOI: 10.1152/physrev.00001.2011] [Citation(s) in RCA: 443] [Impact Index Per Article: 34.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Stress induced by accumulation of unfolded proteins at the endoplasmic reticulum (ER) is a classic feature of secretory cells and is observed in many tissues in human diseases including cancer, diabetes, obesity, and neurodegeneration. Cellular adaptation to ER stress is achieved by the activation of the unfolded protein response (UPR), an integrated signal transduction pathway that transmits information about the protein folding status at the ER to the nucleus and cytosol to restore ER homeostasis. Inositol-requiring transmembrane kinase/endonuclease-1 (IRE1α), the most conserved UPR stress sensor, functions as an endoribonuclease that processes the mRNA of the transcription factor X-box binding protein-1 (XBP1). IRE1α signaling is a highly regulated process, controlled by the formation of a dynamic scaffold onto which many regulatory components assemble, here referred to as the UPRosome. Here we provide an overview of the signaling and regulatory mechanisms underlying IRE1α function and discuss the emerging role of the UPR in adaptation to protein folding stress in specialized secretory cells and in pathological conditions associated with alterations in ER homeostasis.
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Affiliation(s)
- Claudio Hetz
- Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, MA, USA.
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Corwin WL, Baust JM, Baust JG, Van Buskirk RG. The unfolded protein response in human corneal endothelial cells following hypothermic storage: implications of a novel stress pathway. Cryobiology 2011; 63:46-55. [PMID: 21549109 DOI: 10.1016/j.cryobiol.2011.04.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2010] [Revised: 04/15/2011] [Accepted: 04/20/2011] [Indexed: 01/22/2023]
Abstract
Human corneal endothelial cells (HCEC) have become increasingly important for a range of eye disease treatment therapies. Accordingly, a more detailed understanding of the processing and preservation associated stresses experienced by corneal cells might contribute to improved therapeutic outcomes. To this end, the unfolded protein response (UPR) pathway was investigated as a potential mediator of corneal cell death in response to hypothermic storage. Once preservation-induced failure had begun in HCECs stored at 4°C, it was noted that necrosis accounted for the majority of cell death but with significant apoptotic involvement, peaking at several hours post-storage (4-8h). Western blot analysis demonstrated changes associated with apoptotic activation (caspase 9, caspase 3, and PARP cleavage). Further, the activation of the UPR pathway was observed through increased and sustained levels of ER folding and chaperone proteins (Bip, PDI, and ERO1-Lα) in samples experiencing significant cell death. Modulation of the UPR pathway using the specific inhibitor, salubrinal, resulted in a 2-fold increase in cell survival in samples experiencing profound cold-induced failure. Furthermore, this increased cell survival was associated with increased membrane integrity, cell attachment, and decreased necrotic cell death populations. Conversely, addition of the UPR inducer, tunicamycin, during cold exposure resulted in a significant decrease in HCEC survival during the recovery period. These data implicate for the first time that this novel cell stress pathway may be activated in HCEC as a result of the complex stresses associated with hypothermic exposure. The data suggest that the targeted control of the UPR pathway during both processing and preservation protocols may improve cell survival and function of HCEC thus improving the clinical utility of these cells as well as whole human corneas.
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Affiliation(s)
- William L Corwin
- Institute of Biomedical Technology, Binghamton University, NY 13902, USA
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Modulating stress responses by the UPRosome: a matter of life and death. Trends Biochem Sci 2011; 36:329-37. [PMID: 21482118 DOI: 10.1016/j.tibs.2011.03.001] [Citation(s) in RCA: 186] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2010] [Revised: 03/09/2011] [Accepted: 03/10/2011] [Indexed: 12/11/2022]
Abstract
The accumulation of unfolded proteins in the endoplasmic reticulum (ER) triggers the unfolded protein response (UPR) through the activation of specialized sensors including inositol-requiring enzyme-1α (IRE1α). IRE1α signals by assembling a dynamic protein platform referred to as the UPRosome, where different modulator and adaptor proteins assemble to regulate the kinetics and amplitude of UPR effector responses. Conversely, chronic ER stress can cause apoptosis. Recent evidence indicates that several apoptosis-related proteins interact with IRE1α, regulating its prosurvival activities and performing a dual function in the regulation of cell death and adaptation to stress. Based on the increasing relevance of ER stress to the occurrence of diverse pathological conditions, strategies to target and modulate the assembly and composition of the UPRosome could have therapeutic benefits for disease intervention.
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Integrating stress signals at the endoplasmic reticulum: The BCL-2 protein family rheostat. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2011; 1813:564-74. [DOI: 10.1016/j.bbamcr.2010.11.012] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Revised: 11/11/2010] [Accepted: 11/14/2010] [Indexed: 11/18/2022]
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Tang Y, Xiang W, Terry L, Kretzschmar HA, Windl O. Transcriptional analysis implicates endoplasmic reticulum stress in bovine spongiform encephalopathy. PLoS One 2010; 5:e14207. [PMID: 21151970 PMCID: PMC2997050 DOI: 10.1371/journal.pone.0014207] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2010] [Accepted: 11/01/2010] [Indexed: 11/18/2022] Open
Abstract
Bovine spongiform encephalopathy (BSE) is a fatal, transmissible, neurodegenerative disease of cattle. To date, the disease process is still poorly understood. In this study, brain tissue samples from animals naturally infected with BSE were analysed to identify differentially regulated genes using Affymetrix GeneChip Bovine Genome Arrays. A total of 230 genes were shown to be differentially regulated and many of these genes encode proteins involved in immune response, apoptosis, cell adhesion, stress response and transcription. Seventeen genes are associated with the endoplasmic reticulum (ER) and 10 of these 17 genes are involved in stress related responses including ER chaperones, Grp94 and Grp170. Western blotting analysis showed that another ER chaperone, Grp78, was up-regulated in BSE. Up-regulation of these three chaperones strongly suggests the presence of ER stress and the activation of the unfolded protein response (UPR) in BSE. The occurrence of ER stress was also supported by changes in gene expression for cytosolic proteins, such as the chaperone pair of Hsp70 and DnaJ. Many genes associated with the ubiquitin-proteasome pathway and the autophagy-lysosome system were differentially regulated, indicating that both pathways might be activated in response to ER stress. A model is presented to explain the mechanisms of prion neurotoxicity using these ER stress related responses. Clustering analysis showed that the differently regulated genes found from the naturally infected BSE cases could be used to predict the infectious status of the samples experimentally infected with BSE from the previous study and vice versa. Proof-of-principle gene expression biomarkers were found to represent BSE using 10 genes with 94% sensitivity and 87% specificity.
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Affiliation(s)
- Yue Tang
- Department of Molecular Pathogenesis and Genetics, Veterinary Laboratories Agency, Surrey, United Kingdom
- * E-mail: (YT); (OW)
| | - Wei Xiang
- Institute of Biochemistry, Emil-Fischer-Center, University Erlangen-Nuernberg, Erlangen, Germany
| | - Linda Terry
- Department of Molecular Pathogenesis and Genetics, Veterinary Laboratories Agency, Surrey, United Kingdom
| | - Hans A. Kretzschmar
- Institute of Neuropathology, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Otto Windl
- Department of Molecular Pathogenesis and Genetics, Veterinary Laboratories Agency, Surrey, United Kingdom
- * E-mail: (YT); (OW)
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Intracellular Ca2+ storage in health and disease: a dynamic equilibrium. Cell Calcium 2010; 47:297-314. [PMID: 20189643 DOI: 10.1016/j.ceca.2010.02.001] [Citation(s) in RCA: 147] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2009] [Revised: 01/31/2010] [Accepted: 02/01/2010] [Indexed: 12/17/2022]
Abstract
Homeostatic control of the endoplasmic reticulum (ER) both as the site for protein handling (synthesis, folding, trafficking, disaggregation and degradation) and as a Ca2+ store is of crucial importance for correct functioning of the cell. Disturbance of the homeostatic control mechanisms leads to a vast array of severe pathologies. The Ca2+ content of the ER is a dynamic equilibrium between active uptake via Ca2+ pumps and Ca2+ release by a number of highly regulated Ca2+-release channels. Regulation of the Ca2+-release channels is very complex and several mechanisms are still poorly understood or controversial. There is increasing evidence that a number of unrelated proteins, either by themselves or in association with other Ca2+ channels, can provide additional Ca2+-leak pathways. The ER is a dynamic organelle and changes in its size and components have been described, either as a result of (de)differentiation processes affecting the secretory capacity of cells, or as a result of adaptation mechanisms to diverse stress conditions such as the unfolded protein response and autophagy. In this review we want to give an overview of the current knowledge of the (short-term) regulatory mechanisms that affect Ca2+-release and Ca2+-leak pathways and of the (long-term) adaptations in ER size and capacity. Understanding of the consequences of these mechanisms for cellular Ca2+ signaling could provide a huge therapeutic potential.
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