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Da Costa RT, Urquiza P, Perez MM, Du Y, Khong ML, Zheng H, Guitart-Mampel M, Elustondo PA, Scoma ER, Hambardikar V, Ueberheide B, Tanner JA, Cohen A, Pavlov EV, Haynes CM, Solesio ME. Mitochondrial inorganic polyphosphate is required to maintain proteostasis within the organelle. Front Cell Dev Biol 2024; 12:1423208. [PMID: 39050895 PMCID: PMC11266304 DOI: 10.3389/fcell.2024.1423208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/07/2024] [Indexed: 07/27/2024] Open
Abstract
The existing literature points towards the presence of robust mitochondrial mechanisms aimed at mitigating protein dyshomeostasis within the organelle. However, the precise molecular composition of these mechanisms remains unclear. Our data show that inorganic polyphosphate (polyP), a polymer well-conserved throughout evolution, is a component of these mechanisms. In mammals, mitochondria exhibit a significant abundance of polyP, and both our research and that of others have already highlighted its potent regulatory effect on bioenergetics. Given the intimate connection between energy metabolism and protein homeostasis, the involvement of polyP in proteostasis has also been demonstrated in several organisms. For example, polyP is a bacterial primordial chaperone, and its role in amyloidogenesis has already been established. Here, using mammalian models, our study reveals that the depletion of mitochondrial polyP leads to increased protein aggregation within the organelle, following stress exposure. Furthermore, mitochondrial polyP is able to bind to proteins, and these proteins differ under control and stress conditions. The depletion of mitochondrial polyP significantly affects the proteome under both control and stress conditions, while also exerting regulatory control over gene expression. Our findings suggest that mitochondrial polyP is a previously unrecognized, and potent component of mitochondrial proteostasis.
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Affiliation(s)
- Renata T. Da Costa
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Pedro Urquiza
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Matheus M. Perez
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - YunGuang Du
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Chan Medical School, Amherst, MA, United States
| | - Mei Li Khong
- School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Haiyan Zheng
- Center for Advanced Biotechnology and Medicine, Rutgers University, New Brunswick, NJ, United States
| | - Mariona Guitart-Mampel
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Pia A. Elustondo
- Biological Mass Spectrometry Core Facility, Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Ernest R. Scoma
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Vedangi Hambardikar
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Beatrix Ueberheide
- Proteomics Laboratory, Division of Advanced Research Technologies, New York University-Grossman School of Medicine, New York City, NY, United States
| | - Julian A. Tanner
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
- Materials Innovation Institute for Life Sciences and Energy (MILES), HKU-SIRI, Shenzhen, China
- Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, Hong Kong SAR, China
| | - Alejandro Cohen
- Biological Mass Spectrometry Core Facility, Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Evgeny V. Pavlov
- Department of Molecular Pathobiology, College of Dentistry, New York University, New York City, NY, United States
| | - Cole M. Haynes
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Chan Medical School, Amherst, MA, United States
| | - Maria E. Solesio
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
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2
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Kubyshkin V, Rubini M. Proline Analogues. Chem Rev 2024; 124:8130-8232. [PMID: 38941181 DOI: 10.1021/acs.chemrev.4c00007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Within the canonical repertoire of the amino acid involved in protein biogenesis, proline plays a unique role as an amino acid presenting a modified backbone rather than a side-chain. Chemical structures that mimic proline but introduce changes into its specific molecular features are defined as proline analogues. This review article summarizes the existing chemical, physicochemical, and biochemical knowledge about this peculiar family of structures. We group proline analogues from the following compounds: substituted prolines, unsaturated and fused structures, ring size homologues, heterocyclic, e.g., pseudoproline, and bridged proline-resembling structures. We overview (1) the occurrence of proline analogues in nature and their chemical synthesis, (2) physicochemical properties including ring conformation and cis/trans amide isomerization, (3) use in commercial drugs such as nirmatrelvir recently approved against COVID-19, (4) peptide and protein synthesis involving proline analogues, (5) specific opportunities created in peptide engineering, and (6) cases of protein engineering with the analogues. The review aims to provide a summary to anyone interested in using proline analogues in systems ranging from specific biochemical setups to complex biological systems.
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Affiliation(s)
| | - Marina Rubini
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
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Hampton D, Kedia S, Marder E. Alterations in network robustness upon simultaneous temperature and pH perturbations. J Neurophysiol 2024; 131:509-515. [PMID: 38264774 PMCID: PMC11305631 DOI: 10.1152/jn.00483.2023] [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: 01/02/2024] [Revised: 01/23/2024] [Accepted: 01/23/2024] [Indexed: 01/25/2024] Open
Abstract
Nervous systems have evolved to function consistently in the face of the normal environmental fluctuations experienced by animals. The stomatogastric nervous system (STNS) of the crab, Cancer borealis, produces a motor output that has been studied for its remarkable robustness in response to single global perturbations. Changes in environments, however, are often complex and multifactorial. Therefore, we studied the robustness of the pyloric network in the stomatogastric ganglion (STG) in response to simultaneous perturbations of temperature and pH. We compared the effects of elevated temperatures on the pyloric rhythm at control, acid, or base pHs. In each pH recordings were made at 11°C, and then the temperature was increased until the rhythms became disorganized ("crashed"). Pyloric burst frequencies and phase relationships showed minor differences between pH groups until reaching close to the crash temperatures. However, the temperatures at which the rhythms were disrupted were lower in the two extreme pH conditions. This indicates that one environmental stress can make an animal less resilient to a second stressor.NEW & NOTEWORTHY Resilience to environmental fluctuations is important for all animals. It is common that animals encounter multiple stressful events at the same time, the cumulative impacts of which are largely unknown. This study examines the effects of temperature and pH on the nervous system of crabs that live in the fluctuating environments of the Northern Atlantic Ocean. The ranges of tolerance to one perturbation, temperature, are reduced under the influence of a second, pH.
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Affiliation(s)
- David Hampton
- Biology Department and Volen Center, Brandeis University, Waltham, Massachusetts, United States
| | - Sonal Kedia
- Biology Department and Volen Center, Brandeis University, Waltham, Massachusetts, United States
| | - Eve Marder
- Biology Department and Volen Center, Brandeis University, Waltham, Massachusetts, United States
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4
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McManus CM, Lucci CM, Maranhão AQ, Pimentel D, Pimentel F, Rezende Paiva S. Response to heat stress for small ruminants: Physiological and genetic aspects. Livest Sci 2022. [DOI: 10.1016/j.livsci.2022.105028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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5
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Manzon LA, Zak MA, Agee M, Boreham DR, Wilson JY, Somers CM, Manzon RG. Thermal acclimation alters both basal heat shock protein gene expression and the heat shock response in juvenile lake whitefish (Coregonus clupeaformis). J Therm Biol 2022; 104:103185. [DOI: 10.1016/j.jtherbio.2021.103185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 12/21/2021] [Accepted: 12/31/2021] [Indexed: 12/26/2022]
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6
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Mohamad EA, Elfky AA, El-Gebaly RH, Afify A. Study the change in the mosquito larvae ( Culex pipiens) in water treated with short pulses electric filed. Electromagn Biol Med 2021; 41:80-92. [PMID: 34879211 DOI: 10.1080/15368378.2021.2012787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Electrical Pulsed Field (PEF), of pulse duration in 4 milliseconds, effect on mosquito larvae (Culex pipiens) as aquatic insects is assessed in this work. Mosquito larvae classes have been treated with electric field power values (66.66, 83.33, 100, 116.66 V/cm) with separate pulse number (60) and other classes of various pulse numbers have been treated (20, 40, 60, 80) with power of the electrical field 100 V/cm. The findings revealed that positively significant of increase of the applied electrical field strength or increase of the number of pulses. The rise in both cases leads to an increase in the mortality of 25%, 50%, and 75% of the mosquito larvae (P < .05). The impact was calculated with the bioassay system on mosque larvae, SDS-PAGE for whole body proteins, enzyme analysis and ultrastructural examination using TEM. The current study reveals that a low pulsed electric field can cause mosquito larvae genotoxic, changes in the insect's body proteins, which may affect the insect's ability to live. The increase in pulsed electric field parameters also activates oxidative stress in the insect cell by disrupting its secretion of enzymes that could affect the mosquito's capabilities in the future.
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Affiliation(s)
- Ebtesam A Mohamad
- Department of Biophysics, Faculty of Science, Cairo University, Cairo, Egypt
| | - Alyaa A Elfky
- Department of Biophysics, Faculty of Science, Cairo University, Cairo, Egypt
| | - Reem H El-Gebaly
- Department of Biophysics, Faculty of Science, Cairo University, Cairo, Egypt
| | - Amira Afify
- Department of Entomology, Faculty of Science, Cairo University, Cairo, Egypt
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7
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Malik JA, Lone R. Heat shock proteins with an emphasis on HSP 60. Mol Biol Rep 2021; 48:6959-6969. [PMID: 34498161 DOI: 10.1007/s11033-021-06676-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 08/23/2021] [Indexed: 02/08/2023]
Abstract
Heat shock phenomenon is a process by which cells express a set of proteins called heat shock proteins (HSPs) against heat stress. HSPs include several families depending upon the molecular weight of the respective protein. Among the different HSPs, The HSP60 is one of the main components representing the framework of chaperone system. HSP60 plays a myriad number of roles like chaperoning, thermotolerance, apoptosis, cancer, immunology and embryonic development. In this review we discussed briefly the general knowledge and focussed on HSP60 in terms of structure, regulation and function in various physiological and pathological conditions.
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Affiliation(s)
- Javid Ahmad Malik
- Pharmacology and Toxicology Laboratory, Department of Zoology, Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh, India
| | - Rafiq Lone
- Department of Botany, Central University of Kashmir, Jammu and Kashmir, India.
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8
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De Maio A, Hightower L. The interaction of heat shock proteins with cellular membranes: a historical perspective. Cell Stress Chaperones 2021; 26:769-783. [PMID: 34478113 PMCID: PMC8413713 DOI: 10.1007/s12192-021-01228-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 01/09/2023] Open
Abstract
The interaction of heat shock proteins (HSP) with cellular membranes has been an enigmatic process, initially observed by morphological studies, inferred during the purification of HSP70s, and confirmed after the detection of these proteins on the surface of cancer cells and their insertion into artificial lipid bilayers. Today, the association of several HSP with lipid membranes is well established. However, the mechanisms for membrane insertion have been elusive. There is conclusive evidence indicating that HSP70s have a great selectivity for negatively charged phospholipids, whereas other HSP have a broader spectrum of lipid specificity. HSP70 also oligomerizes upon membrane insertion, forming ion conductance channels. The functional role of HSP70 lipid interactions appears related to membrane stabilization that may play a role during cell membrane biogenesis. They could also play a role as membrane chaperones as well as during endocytosis, microautophagy, and signal transduction. Moreover, HSP membrane association is a key component in the extracellular export of these proteins. The presence of HSP70 on the surface of cancer cells and its interaction with lysosome membranes have been envisioned as potential therapeutic targets. Thus, the biology and function of HSP membrane association are reaching a new level of excitement. This review is an attempt to preserve the recollection of the pioneering contributions of many investigators that have participated in this endeavor.
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Affiliation(s)
- Antonio De Maio
- Department of Surgery, Division of Trauma, Critical Care, Burns, and Acute Care Surgery, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA.
- Department of Neurosciences, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA.
- Center for Investigations of Health and Education Disparities, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA.
| | - Lawrence Hightower
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, 06269, USA
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Zhang J, Wang H, Sun X. Sevoflurane Postconditioning Reduces Hypoxia/Reoxygenation Injury in Cardiomyocytes via Upregulation of Heat Shock Protein 70. J Microbiol Biotechnol 2021; 31:1069-1078. [PMID: 34226409 PMCID: PMC9705948 DOI: 10.4014/jmb.2103.03040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 06/04/2021] [Accepted: 06/09/2021] [Indexed: 12/15/2022]
Abstract
Sevoflurane postconditioning (SPostC) has been proved effective in cardioprotection against myocardial ischemia/reperfusion injury. It was also reported that heat shock protein 70 (HSP70) could be induced by sevoflurane, which played a crucial role in hypoxic/reoxygenation (HR) injury of cardiomyocytes. However, the mechanism by which sevoflurane protects cardiomyocytes via HSP70 is still not understood. Here, we aimed to investigate the related mechanisms of SPostC inducing HSP70 expression to reduce the HR injury of cardiomyocytes. After the HR cardiomyocytes model was established, the cells transfected with siRNA for HSP70 (siHSP70) or not were treated with sevoflurane during reoxygenation. The lactate dehydrogenase (LDH) level was detected by colorimetry while cell viability and apoptosis were detected by MTT and flow cytometry. Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and Western blotting were used to detect HSP70, apoptosis-, cell cycle-associated factors, iNOS, and Cox-2 expressions. Enzyme-linked immuno sorbent assay (ELISA) was used to measure malondialdehyde (MDA) and superoxide dismutase (SOD). SPostC decreased apoptosis, cell injury, oxidative stress and inflammation and increased viability of HR-induced cardiomyocytes. In addition, SPostC downregulated Bax and cleaved caspase-3 levels, while SPostC upregulated Bcl-2, CDK-4, Cyclin D1, and HSP70 levels. SiHSP70 had the opposite effect that SPostC had on HR-induced cardiomyocytes. Moreover, siHSP70 further reversed the effect of SPostC on apoptosis, cell injury, oxidative stress, inflammation, viability and the expressions of HSP70, apoptosis-, and cell cycle-associated factors in HR-induced cardiomyocytes. In conclusion, this study demonstrates that SPostC can reduce the HR injury of cardiomyocytes by inducing HSP70 expression.
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Affiliation(s)
- Jun Zhang
- Department of Anesthesiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai 264000, Shandong, P.R. China
| | - Haiyan Wang
- Department of Anesthesiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai 264000, Shandong, P.R. China
| | - Xizhi Sun
- Department of Anesthesiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai 264000, Shandong, P.R. China,Corresponding author Phone: +86-0535-6691999 E-mail:
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10
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Pfeuty B, Courtade E, Thommen Q. Fine-tuned control of stress priming and thermotolerance. Phys Biol 2021; 18. [PMID: 34156353 DOI: 10.1088/1478-3975/ac02a8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 05/18/2021] [Indexed: 11/11/2022]
Abstract
A common signature of cell adaptation to stress is the improved resistance upon priming by prior stress exposure. In the context of hyperthermia, priming or preconditioning with sublethal heat shock can be a useful tool to confer thermotolerance and competitive advantage to cells. In the present study, we develop a data-driven modeling framework that is simple and generic enough to capture a broad set of adaptation behaviors to heat stress at both molecular and cellular levels. The model recovers the main features of thermotolerance and clarifies the tradeoff principles which maximize the thermotolerance effect. It therefore provides an effective predictive tool to design preconditioning and fractionation hyperthermia protocols for therapeutic purpose.
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Affiliation(s)
- Benjamin Pfeuty
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - Emmanuel Courtade
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - Quentin Thommen
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
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11
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CHAUDHARY UMESHBABU, SWAROOP KAMENDRA, SETH KHUSHBOO, ROUT PRAMODKUMAR, KUMARESAN GURURAJ. Heat shock protein and gene regulation in goats during heat stress. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2021. [DOI: 10.56093/ijans.v90i10.111307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Heat shock proteins (HSPs), also known as molecular chaperons are prominent stress markers. Heat shock proteins consist of highly conserved protein expressed at the time of stress, and play an important role in adaptation to the environmental stress. Although, the expression pattern of HSP70 gene is species and breed specific, variations in adaptation and thermal tolerance is due to the nature of environment and adaptive capacity of a species. The present study was conducted to evaluate the adaptive capability of different goat (Capra hircus) breeds, i.e. Jamunapari, Barbari, Jakhrana and Sirohi under peak dry summer. The targeted gene HSP70 (HSPA6) was evaluated for this purpose using specific primers. The expression of HSP70 gene and protein was estimated by RT PCR and ELISA kits respectively. The expression of HSP70 gene was found lowest in sirohi breeds implying that this breed was more adapted followed by Jakhrana, Barbari and Jamunapari during peak summer season. Whereas, the level of HSP70 protein in blood was significantly higher in Jamunapari, followed by Barbari, Jakhrana and lowest in Sirohi. These results indicated that, during adverse climatic stress the quantum of expression (HSP70 gene and protein) was more in Jamunapari. It is concluded that Sirohi breed is better adapted to heat stress than Jamunapari, Jakhrana and Barbari and HSP70 may be a potential molecular biomarker in the future for selection of climate resilient animals.
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12
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Brunt VE, Minson CT. Heat therapy: mechanistic underpinnings and applications to cardiovascular health. J Appl Physiol (1985) 2021; 130:1684-1704. [PMID: 33792402 DOI: 10.1152/japplphysiol.00141.2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Cardiovascular diseases (CVD) are the leading cause of death worldwide, and novel therapies are drastically needed to prevent or delay the onset of CVD to reduce the societal and healthcare burdens associated with these chronic diseases. One such therapy is "heat therapy," or chronic, repeated use of hot baths or saunas. Although using heat exposure to improve health is not a new concept, it has received renewed attention in recent years as a growing number of studies have demonstrated robust and widespread beneficial effects of heat therapy on cardiovascular health. Here, we review the existing literature, with particular focus on the molecular mechanisms that underscore the cardiovascular benefits of this practice.
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Affiliation(s)
- Vienna E Brunt
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado.,Department of Human Physiology, University of Oregon, Eugene, Oregon
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13
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Mouratidis PXE, Ter Haar G. HSP90 inhibition acts synergistically with heat to induce a pro-immunogenic form of cell death in colon cancer cells. Int J Hyperthermia 2021; 38:1443-1456. [PMID: 34612127 DOI: 10.1080/02656736.2021.1983036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 09/03/2021] [Accepted: 09/14/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Sub-ablative heat induces pleiotropic biological effects in cancer cells, activating programmed cell death or survival processes. These processes decide the fate of the heated cell. This study investigates these and assesses whether heat, in combination with HSP90 inhibition, augments cell death and induces a pro-immune phenotype in these cells. METHODS HCT116 and HT29 cells were subjected to thermal doses (TID) of 60 and 120CEM43 using a PCR thermal cycler. HSP90 was inhibited with NVP-AUY922. Viability was assessed using the MTT assay. Cellular ATP and HSP70 release were assessed using ATP and Enzyme-linked Immunosorbent assays, respectively. Flow cytometry and immunoblotting were used to study the regulation of biomarkers associated with the heat shock response, the cell cycle, and immunogenic and programmed cell death. RESULTS Exposure of HCT116 and HT29 cells to TIDs of 60 and 120CEM43 decreased their viability. In addition, treatment with 120CEM43 increased intracellular HSP70 and the percentage of HCT116/HT29 cells in the G2/M cell cycle phase, ATP release and Calreticulin/HSP70/HSP90 exposure in the plasma membrane, while downregulating CD47 compared to sham-exposed cells. When combined with NVP-AUY922, treatment of HCT116/HT29 cells with 120CEM43 resulted in a synergistic decrease of cell viability associated with the induction of apoptosis. Also, the combined treatments increased Calreticulin exposure, CD47 downregulation, and HSP70 release compared to the sham-exposed cells. CONCLUSION Sub-ablative heating can act synergistically with the clinically relevant HSP90 inhibitor NVP-AUY922 to induce a pro-immunogenic form of cell death in colon cancer cells.
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Affiliation(s)
- Petros X E Mouratidis
- Joint Department of Physics, Division of Radiotherapy and Imaging, The Institute of Cancer Research: Royal Marsden Hospital, Sutton, London, UK
| | - Gail Ter Haar
- Joint Department of Physics, Division of Radiotherapy and Imaging, The Institute of Cancer Research: Royal Marsden Hospital, Sutton, London, UK
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14
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Jacobs PJ, Oosthuizen MK, Mitchell C, Blount JD, Bennett NC. Heat and dehydration induced oxidative damage and antioxidant defenses following incubator heat stress and a simulated heat wave in wild caught four-striped field mice Rhabdomys dilectus. PLoS One 2020; 15:e0242279. [PMID: 33186409 PMCID: PMC7665817 DOI: 10.1371/journal.pone.0242279] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 10/29/2020] [Indexed: 01/22/2023] Open
Abstract
Heat waves are known for their disastrous mass die-off effects due to dehydration and cell damage, but little is known about the non-lethal consequences of surviving severe heat exposure. Severe heat exposure can cause oxidative stress which can have negative consequences on animal cognition, reproduction and life expectancy. We investigated the current oxidative stress experienced by a mesic mouse species, the four striped field mouse, Rhabdomys dilectus through a heat wave simulation with ad lib water and a more severe temperature exposure with minimal water. Wild four striped field mice were caught between 2017 and 2019. We predicted that wild four striped field mice in the heat wave simulation would show less susceptibility to oxidative stress as compared to a more severe heat stress which is likely to occur in the future. Oxidative stress was determined in the liver, kidney and brain using malondialdehyde (MDA) and protein carbonyl (PC) as markers for oxidative damage, and superoxide dismutase (SOD) and total antioxidant capacity (TAC) as markers of antioxidant defense. Incubator heat stress was brought about by increasing the body temperatures of animals to 39-40.8°C for 6 hours. A heat wave (one hot day, followed by a 3-day heatwave) was simulated by using temperature cycle that wild four striped field mice would experience in their local habitat (determined through weather station data using temperature and humidity), with maximal ambient temperature of 39°C. The liver and kidney demonstrated no changes in the simulated heat wave, but the liver had significantly higher SOD activity and the kidney had significantly higher lipid peroxidation in the incubator experiment. Dehydration significantly contributed to the increase of these markers, as is evident from the decrease in body mass after the experiment. The brain only showed significantly higher lipid peroxidation following the simulated heat wave with no significant changes following the incubator experiment. The significant increase in lipid peroxidation was not correlated to body mass after the experiment. The magnitude and duration of heat stress, in conjunction with dehydration, played a critical role in the oxidative stress experienced by each tissue, with the results demonstrating the importance of measuring multiple tissues to determine the physiological state of an animal. Current heat waves in this species have the potential of causing oxidative stress in the brain with future heat waves to possibly stress the kidney and liver depending on the hydration state of animals.
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Affiliation(s)
- Paul J. Jacobs
- Department of Zoology and Entomology, Mammal Research Institute, University of Pretoria, Pretoria, South Africa
| | - M. K. Oosthuizen
- Department of Zoology and Entomology, Mammal Research Institute, University of Pretoria, Pretoria, South Africa
| | - C. Mitchell
- Centre for Ecology and Conservation, College of Life & Environmental Sciences, University of Exeter, Penryn, Cornwall, United Kingdom
| | - Jonathan D. Blount
- Centre for Ecology and Conservation, College of Life & Environmental Sciences, University of Exeter, Penryn, Cornwall, United Kingdom
| | - Nigel C. Bennett
- Department of Zoology and Entomology, Mammal Research Institute, University of Pretoria, Pretoria, South Africa
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15
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Labavić D, Ladjimi MT, Courtade E, Pfeuty B, Thommen Q. Mammalian cell sensitivity to hyperthermia in various cell lines: a new universal and predictive description. Int J Hyperthermia 2020; 37:506-516. [DOI: 10.1080/02656736.2020.1762005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- D. Labavić
- Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - M. T. Ladjimi
- Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - E. Courtade
- Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - B. Pfeuty
- Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - Q. Thommen
- Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules, F-59000 Lille, France
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Sammad A, Wang YJ, Umer S, Lirong H, Khan I, Khan A, Ahmad B, Wang Y. Nutritional Physiology and Biochemistry of Dairy Cattle under the Influence of Heat Stress: Consequences and Opportunities. Animals (Basel) 2020; 10:ani10050793. [PMID: 32375261 PMCID: PMC7278580 DOI: 10.3390/ani10050793] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/01/2020] [Accepted: 05/02/2020] [Indexed: 12/17/2022] Open
Abstract
Simple Summary Modern dairy cows have elevated internal heat loads caused by high milk production, and the effects of accumulating incremental heat are exacerbated when temperature and humidity increases in the surroundings. To shed this additional heat, cows initiate a variety of adaptive mechanisms including increased respiration rate, panting, sweating, reduced milk yield, vasodilatation, and decreased reproductive performance. Hormonal changes based on reciprocal alterations to the energetic metabolism are particularly accountable for reduced efficiency of the dairy production under the heat stress. As animals experience negative energy balance; glucose, which is also a precursor of milk lactose, becomes the preferential energy fuel. In the absence of proper mitigations, heat stress possesses potential risk of economic losses to dairy sector. Besides physical measures for the timely prediction of the actual heat stress coupled with its proper amelioration, nutritional mitigation strategies should target modulating energetic metabolism and rumen environment. Abstract Higher milk yield and prolificacy of the modern dairy cattle requires high metabolism activities to support them. It causes high heat production by the body, which coupled with increasing environmental temperatures results in heat stress (HS). Production, health, and welfare of modern cattle are severely jeopardized due to their low adaptability to hot conditions. Animal activates a variety of physiological, endocrine, and behavioral mechanisms to cope with HS. Traditionally, decreased feed intake is considered as the major factor towards negative energy balance (NEBAL) leading to a decline in milk production. However, reciprocal changes related to insulin; glucose metabolism; failure of adipose mobilization; and skeletal muscle metabolism have appeared to be the major culprits behind HS specific NEBAL. There exists high insulin activity and glucose become preferential energy fuel. Physiological biochemistry of the heat stressed cows is characterized by low-fat reserves derived NEFA (non-esterified fatty acids) response, despite high energy demands. Besides these, physiological and gut-associated changes and poor feeding practices can further compromise the welfare and production of the heat-stressed cows. Better understanding of HS specific nutritional physiology and metabolic biochemistry of the dairy cattle will primarily help to devise practical interventions in this context. Proper assessment of the HS in cattle and thereby applying relevant cooling measures at dairy seems to be the basic mitigation approach. Score of the nutritional strategies be applied in the eve of HS should target supporting physiological responses of abatement and fulfilling the deficiencies possessed, such as water and minerals. Second line of abatement constitutes proper feeding, which could augment metabolic activities and synergizes energy support. The third line of supplemental supports should be directed towards modulating the metabolic (propionates, thiazolidinediones, dietary buffers, probiotics, and fermentates) and antioxidant responses (vitamins). Comprehensive understanding of the energetic metabolism dynamics under the impact of incremental heat load and complete outlook of pros and cons of the dietary ameliorating substances together with the discovery of the newer relevant supplementations constitutes the future avenues in this context.
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Affiliation(s)
- Abdul Sammad
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Ya Jing Wang
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Saqib Umer
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (S.U.); (I.K.)
| | - Hu Lirong
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Imran Khan
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (S.U.); (I.K.)
| | - Adnan Khan
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Baseer Ahmad
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Yachun Wang
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
- Correspondence:
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McKechnie AE, Wolf BO. The Physiology of Heat Tolerance in Small Endotherms. Physiology (Bethesda) 2020; 34:302-313. [PMID: 31389778 DOI: 10.1152/physiol.00011.2019] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Understanding the heat tolerances of small mammals and birds has taken on new urgency with the advent of climate change. Here, we review heat tolerance limits, pathways of evaporative heat dissipation that permit the defense of body temperature during heat exposure, and mechanisms operating at tissue, cellular, and molecular levels.
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Affiliation(s)
- Andrew E McKechnie
- South African Research Chair in Conservation Physiology, National Zoological Garden, South African National Biodiversity Institute, Pretoria, South Africa.,DST-NRF Centre of Excellence at the FitzPatrick Institute, Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
| | - Blair O Wolf
- UNM Biology Department, University of New Mexico, Albuquerque, New Mexico
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18
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Chandrasekharan P, Tay ZW, Hensley D, Zhou XY, Fung BKL, Colson C, Lu Y, Fellows BD, Huynh Q, Saayujya C, Yu E, Orendorff R, Zheng B, Goodwill P, Rinaldi C, Conolly S. Using magnetic particle imaging systems to localize and guide magnetic hyperthermia treatment: tracers, hardware, and future medical applications. Am J Cancer Res 2020; 10:2965-2981. [PMID: 32194849 PMCID: PMC7053197 DOI: 10.7150/thno.40858] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 01/27/2020] [Indexed: 01/07/2023] Open
Abstract
Magnetic fluid hyperthermia (MFH) treatment makes use of a suspension of superparamagnetic iron oxide nanoparticles, administered systemically or locally, in combination with an externally applied alternating magnetic field, to ablate target tissue by generating heat through a process called induction. The heat generated above the mammalian euthermic temperature of 37°C induces apoptotic cell death and/or enhances the susceptibility of the target tissue to other therapies such as radiation and chemotherapy. While most hyperthermia techniques currently in development are targeted towards cancer treatment, hyperthermia is also used to treat restenosis, to remove plaques, to ablate nerves and to alleviate pain by increasing regional blood flow. While RF hyperthermia can be directed invasively towards the site of treatment, non-invasive localization of heat through induction is challenging. In this review, we discuss recent progress in the field of RF magnetic fluid hyperthermia and introduce a new diagnostic imaging modality called magnetic particle imaging that allows for a focused theranostic approach encompassing treatment planning, treatment monitoring and spatially localized inductive heating.
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Affiliation(s)
- Prashant Chandrasekharan
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States,✉ Corresponding author: E-mail: ; Phone: +1 (510) 642 3420
| | - Zhi Wei Tay
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States
| | - Daniel Hensley
- Magnetic Insight, Inc., Alameda, CA 94501, United States
| | - Xinyi Y Zhou
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States
| | - Barry KL Fung
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States
| | - Caylin Colson
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States
| | - Yao Lu
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States
| | - Benjamin D Fellows
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States
| | - Quincy Huynh
- Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA 94720, United States
| | - Chinmoy Saayujya
- Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA 94720, United States
| | - Elaine Yu
- Magnetic Insight, Inc., Alameda, CA 94501, United States
| | - Ryan Orendorff
- Magnetic Insight, Inc., Alameda, CA 94501, United States
| | - Bo Zheng
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States
| | | | - Carlos Rinaldi
- University of Florida, J. Crayton Pruitt Family Department of Biomedical Engineering and Department of Chemical Engineering, FL, 32611 United States
| | - Steven Conolly
- University of California Berkeley, Department of Bioengineering, Berkeley, CA 94720, United States,Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA 94720, United States
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19
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Johnson JS, Aardsma MA, Duttlinger AW, Kpodo KR. Early life thermal stress: Impact on future thermotolerance, stress response, behavior, and intestinal morphology in piglets exposed to a heat stress challenge during simulated transport. J Anim Sci 2018; 96:1640-1653. [PMID: 29635346 DOI: 10.1093/jas/sky107] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 03/16/2018] [Indexed: 11/14/2022] Open
Abstract
Study objectives were to evaluate the impact of early life thermal stress (ELTS) on thermoregulation, stress response, and intestinal health of piglets subjected to a future heat stress (HS) challenge during simulated transport. From d 7 to 9 post-farrowing, 12 first-parity sows and their litters were exposed to thermoneutral (ELTN; 25.4 ± 1.1 °C w/heat lamp; n = 4), HS (ELHS; cycling 32-38 °C w/heat lamp; n = 4), or cold stress (ELCS; 25.4 ± 1.1 °C w/no heat lamp; n = 4) conditions, and then from d 10 until weaning all piglets were exposed to thermoneutral (TN) conditions (25.3 ± 1.9 °C w/heat lamp). During the ELTS period, respiration rate, rectal temperature (TR), and skin temperature (TS) of three mixed-sex piglets per dam were monitored daily (0800, 1200, 1600, 2000 h). At 13 ± 1.3 d of age, temperature recorders were implanted intra-abdominally into all piglets. At weaning (20.0 ± 1.3 d of age), piglets were bled and then herded up a ramp into a simulated transport trailer and exposed to HS conditions (cycling 32-38 °C) for 8 h. During the 8 h simulated transport, core body temperature (TC) and TS were assessed every 15 min. After the simulated transport, piglets were unloaded from the trailer, bled, weighed, and then housed individually in TN conditions (28.5 ± 0.7 °C) for 7 d. During this time, ADFI and ADG were monitored, blood samples were taken on d 1, 4, and 7, and piglets were video-recorded to assess behavior. Piglets were sacrificed on d 8 post-simulated transport and intestinal morphology was assessed. Data were analyzed using PROC MIXED in SAS 9.4. In the ELTS period, piglet TR was increased overall (P = 0.01) in ELHS (39.77 ± 0.05 °C) compared to ELTN (39.34 ± 0.05 °C) and ELCS (39.40 ± 0.05 °C) litters. During simulated transport, TC was greater (P = 0.02) in ELHS (40.84 ± 0.12 °C) compared to ELTN (40.49 ± 0.12 °C) and ELCS (40.39 ± 0.12 °C) pigs. Following simulated transport, BW loss was greater (P = 0.01; 40%) for ELHS compared to ELTN and ELCS pigs and ADFI was reduced (P = 0.05; 28.6%) in ELHS compared to ELTN pigs. Sitting behavior tended to be increased (P = 0.06; 47.4%) in ELHS vs. ELCS or ELTN pigs. Overall, circulating cortisol was greater for ELHS (P ≤ 0.01; 38.8%) compared to ELCS and ELTN pigs. Goblet cells per villi were reduced (P = 0.02; 20%) in the jejunum of ELHS vs. ELCS and ELTN pigs. In summary, ELHS reduced thermotolerance and increased the future stress response of piglets compared to ELCS and ELTN.
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Affiliation(s)
- Jay S Johnson
- USDA-ARS, Livestock Behavior Research Unit, West Lafayette, IN
| | - Matthew A Aardsma
- USDA-ARS, Livestock Behavior Research Unit, West Lafayette, IN.,Department of Animal Sciences, Purdue University, West Lafayette, IN
| | - Alan W Duttlinger
- USDA-ARS, Livestock Behavior Research Unit, West Lafayette, IN.,Department of Animal Sciences, Purdue University, West Lafayette, IN
| | - Kouassi R Kpodo
- USDA-ARS, Livestock Behavior Research Unit, West Lafayette, IN.,Department of Animal Sciences, Purdue University, West Lafayette, IN
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Ducsay CA, Goyal R, Pearce WJ, Wilson S, Hu XQ, Zhang L. Gestational Hypoxia and Developmental Plasticity. Physiol Rev 2018; 98:1241-1334. [PMID: 29717932 PMCID: PMC6088145 DOI: 10.1152/physrev.00043.2017] [Citation(s) in RCA: 112] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Hypoxia is one of the most common and severe challenges to the maintenance of homeostasis. Oxygen sensing is a property of all tissues, and the response to hypoxia is multidimensional involving complicated intracellular networks concerned with the transduction of hypoxia-induced responses. Of all the stresses to which the fetus and newborn infant are subjected, perhaps the most important and clinically relevant is that of hypoxia. Hypoxia during gestation impacts both the mother and fetal development through interactions with an individual's genetic traits acquired over multiple generations by natural selection and changes in gene expression patterns by altering the epigenetic code. Changes in the epigenome determine "genomic plasticity," i.e., the ability of genes to be differentially expressed according to environmental cues. The genomic plasticity defined by epigenomic mechanisms including DNA methylation, histone modifications, and noncoding RNAs during development is the mechanistic substrate for phenotypic programming that determines physiological response and risk for healthy or deleterious outcomes. This review explores the impact of gestational hypoxia on maternal health and fetal development, and epigenetic mechanisms of developmental plasticity with emphasis on the uteroplacental circulation, heart development, cerebral circulation, pulmonary development, and the hypothalamic-pituitary-adrenal axis and adipose tissue. The complex molecular and epigenetic interactions that may impact an individual's physiology and developmental programming of health and disease later in life are discussed.
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Affiliation(s)
- Charles A. Ducsay
- The Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Ravi Goyal
- The Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - William J. Pearce
- The Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Sean Wilson
- The Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Xiang-Qun Hu
- The Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Lubo Zhang
- The Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
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21
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Effects of Recovery Time during Magnetic Nanofluid Hyperthermia on the Induction Behavior and Efficiency of Heat Shock Proteins 72. Sci Rep 2017; 7:13942. [PMID: 29066807 PMCID: PMC5655350 DOI: 10.1038/s41598-017-14348-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 10/10/2017] [Indexed: 11/08/2022] Open
Abstract
In this study, we investigated the effects of recovery time during magnetic nanofluid hyperthermia (MNFH) on the cell death rate and the heat shock proteins 72 (HSP72) induction behavior in retinal ganglion cells (RGCs-5) to provide a possible solution for highly efficient ocular neuroprotection. The recovery time and the heat duration time during MNFH were systematically controlled by changing the duty cycle of alternating current (AC) magnetic field during MNFH. It was clearly observed that the cell death rate and the HSP72 induction rate had a strong dependence on the recovery time and the optimizated recovery time resulted in maximizing the induction efficiency of HSP72. Controlling the recovery time during MNFH affects not only the cell death rate but also HSP72 induction rate. The cell death rate after MNFH was dramatically decreased by increasing the recovery time during MNFH. However, it was also found that the HSP72 induction rate was slightly decreased by increasing the recovery time. These results indicate that applying the appropriate or optimized recovery time during MNFH can improve the induction efficiency of HSP72 by minimizing the cell death caused by cytotoxic effects of heat.
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22
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Kumar D, Yadav B, Choudhury S, Kumari P, Madan AK, Singh SP, Rout PK, Ramchandran N, Yadav S. Evaluation of adaptability to different seasons in goat breeds of semi-arid region in India through differential expression pattern of heat shock protein genes. BIOL RHYTHM RES 2017. [DOI: 10.1080/09291016.2017.1377984] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Brijesh Yadav
- Department of Veterinary Physiology, College of Veterinary Science and AH, DUVASU, Mathura, India
| | - Soumen Choudhury
- Department of Pharmacology and Toxicology, College of Veterinary Science and AH, DUVASU, Mathura, India
| | | | - Arun Kumar Madan
- Department of Veterinary Physiology, College of Veterinary Science and AH, DUVASU, Mathura, India
| | - Satyendra Pal Singh
- Department of Animal Genetics and Breeding, College of Veterinary Science and AH, DUVASU, Mathura, India
| | - P. K. Rout
- Division of Genetics and Breeding, Central Institute of Research on Goats, Mathura, India
| | - N. Ramchandran
- Division of Production, Reproduction and Management, Central Institute of Research on Goats Makhdoom, Mathura, India
| | - Sarvajeet Yadav
- Department of Veterinary Physiology, College of Veterinary Science and AH, DUVASU, Mathura, India
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23
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Marshall H, Chrismas BCR, Suckling CA, Roberts JD, Foster J, Taylor L. Chronic probiotic supplementation with or without glutamine does not influence the eHsp72 response to a multi-day ultra-endurance exercise event. Appl Physiol Nutr Metab 2017; 42:876-883. [PMID: 28460195 DOI: 10.1139/apnm-2017-0131] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Probiotic and glutamine supplementation increases tissue Hsp72, but their influence on extracellular Hsp72 (eHsp72) has not been investigated. The aim of this study was to investigate the effect of chronic probiotic supplementation, with or without glutamine, on eHsp72 concentration before and after an ultramarathon. Thirty-two participants were split into 3 independent groups, where they ingested probiotic capsules (PRO; n = 11), probiotic + glutamine powder (PGLn; n = 10), or no supplementation (CON; n = 11), over a 12-week period prior to commencement of the Marathon des Sables (MDS). eHsp72 concentration in the plasma was measured at baseline, 7 days pre-race, 6-8 h post-race, and 7 days post-race. The MDS increased eHsp72 concentrations by 124% (F[1,3] = 22.716, p < 0.001), but there was no difference in the response between groups. Additionally, PRO or PGLn supplementation did not modify pre- or post-MDS eHsp72 concentrations compared with CON (p > 0.05). In conclusion, the MDS caused a substantial increase in eHsp72 concentration, indicating high levels of systemic stress. However, chronic PRO or PGLn supplementation did not affect eHsp72 compared with control pre- or post-MDS. Given the role of eHsp72 in immune activation, the commercially available supplements used in this study are unlikely to influence this cascade.
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Affiliation(s)
- Hannah Marshall
- a Institute of Sport and Physical Activity Research (ISPAR), University of Bedfordshire, Bedford MK41 9EA, UK
| | | | - Craig Anthony Suckling
- c Cambridge Centre for Sport and Exercise Sciences, Department of Life Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Justin D Roberts
- c Cambridge Centre for Sport and Exercise Sciences, Department of Life Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Josh Foster
- a Institute of Sport and Physical Activity Research (ISPAR), University of Bedfordshire, Bedford MK41 9EA, UK
| | - Lee Taylor
- d ASPETAR, Athlete Health and Performance Research Centre, Qatar Orthopaedic and Sports Medicine Hospital, Aspire Zone, PO Box 29222, Doha, Qatar.,e School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TT, UK
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24
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Ross JA, Shipp EM, Trueblood AB, Bhattacharya A. Ergonomics and Beyond: Understanding How Chemical and Heat Exposures and Physical Exertions at Work Affect Functional Ability, Injury, and Long-Term Health. HUMAN FACTORS 2016; 58:777-795. [PMID: 27125533 PMCID: PMC6894162 DOI: 10.1177/0018720816645457] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 03/12/2016] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To honor Tom Waters's work on emerging occupational health issues, we review the literature on physical along with chemical exposures and their impact on functional outcomes. BACKGROUND Many occupations present the opportunity for exposure to multiple hazardous exposures, including both physical and chemical factors. However, little is known about how these different factors affect functional ability and injury. The goal of this review is to examine the relationships between these exposures, impairment of the neuromuscular and musculoskeletal systems, functional outcomes, and health problems with a focus on acute injury. METHOD Literature was identified using online databases, including PubMed, Ovid Medline, and Google Scholar. References from included articles were searched for additional relevant articles. RESULTS This review documented the limited existing literature that discussed cognitive impairment and functional disorders via neurotoxicity for physical exposures (heat and repetitive loading) and chemical exposures (pesticides, volatile organic compounds [VOCs], and heavy metals). CONCLUSION This review supports that workers are exposed to physical and chemical exposures that are associated with negative health effects, including functional impairment and injury. Innovation in exposure assessment with respect to quantifying the joint exposure to these different exposures is especially needed for developing risk assessment models and, ultimately, preventive measures. APPLICATION Along with physical exposures, chemical exposures need to be considered, alone and in combination, in assessing functional ability and occupationally related injuries.
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Affiliation(s)
- Jennifer A Ross
- Texas A&M University, College StationUniversity of Cincinnati, Ohio
| | - Eva M Shipp
- Texas A&M University, College StationUniversity of Cincinnati, Ohio
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25
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Rout PK, Kaushik R, Ramachandran N. Differential expression pattern of heat shock protein 70 gene in tissues and heat stress phenotypes in goats during peak heat stress period. Cell Stress Chaperones 2016; 21:645-51. [PMID: 27169748 PMCID: PMC4907995 DOI: 10.1007/s12192-016-0689-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 03/30/2016] [Accepted: 04/07/2016] [Indexed: 12/14/2022] Open
Abstract
It has been established that the synthesis of heat shock protein 70 (Hsp70) is temperature-dependent. The Hsp70 response is considered as a cellular thermometer in response to heat stress and other stimuli. The variation in Hsp70 gene expression has been positively correlated with thermotolerance in Drosophila melanogaster, Caenorhabditis elegans, rodents and human. Goats have a wide range of ecological adaptability due to their anatomical and physiological characteristics; however, the productivity of the individual declines during thermal stress. The present study was carried out to analyze the expression of heat shock proteins in different tissues and to contrast heat stress phenotypes in response to chronic heat stress. The investigation has been carried out in Jamunapari, Barbari, Jakhrana and Sirohi goats. These breeds differ in size, coat colour and production performance. The heat stress assessment in goats was carried out at a temperature humidity index (THI) ranging from 85.36-89.80 over the period. Phenotyping for heat stress susceptibility was carried out by combining respiration rate (RR) and heart rate (HR). Based on the distribution of RR and HR over the breeds in the population, individual animals were recognized as heat stress-susceptible (HSS) and heat stress-tolerant (HST). Based on their physiological responses, the selected animals were slaughtered for tissue collection during peak heat stress periods. The tissue samples from different organs such as liver, spleen, heart, testis, brain and lungs were collected and stored at -70 °C for future use. Hsp70 concentrations were analyzed from tissue extract with ELISA. mRNA expression levels were evaluated using the SYBR green method. Kidney, liver and heart had 1.5-2.0-fold higher Hsp70 concentrations as compared to other organs in the tissue extracts. Similarly, the gene expression pattern of Hsp70 in different organs indicated that the liver, spleen, brain and kidney exhibited 5.94, 4.96, 5.29 and 2.63-fold higher expression than control. Liver and brain tissues showed the highest gene expression at mRNA levels as compared to kidney, spleen and heart. HST individuals had higher levels of mRNA level expression than HSS individuals in all breeds. The Sirohi breed showed the highest (6.3-fold) mRNA expression levels as compared to the other three breeds, indicating the better heat stress regulation activity in the breed.
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Affiliation(s)
- P K Rout
- Genetics and Breeding Division, ICAR-Central Institute for Research on Goats, Makhdoom, Farah, Mathura, 281122, UP, India.
| | - R Kaushik
- Genetics and Breeding Division, ICAR-Central Institute for Research on Goats, Makhdoom, Farah, Mathura, 281122, UP, India
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26
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Kilaparty SP, Agarwal R, Singh P, Kannan K, Ali N. Endoplasmic reticulum stress-induced apoptosis accompanies enhanced expression of multiple inositol polyphosphate phosphatase 1 (Minpp1): a possible role for Minpp1 in cellular stress response. Cell Stress Chaperones 2016; 21:593-608. [PMID: 27038811 PMCID: PMC4907990 DOI: 10.1007/s12192-016-0684-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 03/16/2016] [Accepted: 03/17/2016] [Indexed: 01/22/2023] Open
Abstract
Inositol polyphosphates represent a group of differentially phosphorylated inositol metabolites, many of which are implicated to regulate diverse cellular processes such as calcium mobilization, vesicular trafficking, differentiation, apoptosis, etc. The metabolic network of these compounds is complex and tightly regulated by various kinases and phosphatases present predominantly in the cytosol. Multiple inositol polyphosphate phosphatase 1 (Minpp1) is the only known endoplasmic reticulum (ER) luminal enzyme that hydrolyzes various inositol polyphosphates in vitro as well as in vivo conditions. However, access of the Minpp1 to cytosolic substrates has not yet been demonstrated clearly and hence its physiological function. In this study, we examined a potential role for Minpp1 in ER stress-induced apoptosis. We generated a custom antibody and characterized its specificity to study the expression of Minpp1 protein in multiple mammalian cells under experimentally induced cellular stress conditions. Our results demonstrate a significant increase in the expression of Minpp1 in response to a variety of cellular stress conditions. The protein expression was corroborated with the expression of its mRNA and enzymatic activity. Further, in an attempt to link the role of Minpp1 to apoptotic stress, we studied the effect of Minpp1 expression on apoptosis following silencing of the Minpp1 gene by its specific siRNA. Our results suggest an attenuation of apoptotic parameters following knockdown of Minpp1. Thus, in addition to its known role in inositol polyphosphate metabolism, we have identified a novel role for Minpp1 as a stress-responsive protein. In summary, our results provide, for the first time, a probable link between ER stress-induced apoptosis and Minpp1 expression.
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Affiliation(s)
- Surya P Kilaparty
- Department of Biology, University of Arkansas at Little Rock, 2801 S University Avenue, Little Rock, AR, 72204, USA
| | - Rakhee Agarwal
- Department of Biology, University of Arkansas at Little Rock, 2801 S University Avenue, Little Rock, AR, 72204, USA
- Alexion Pharmaceuticals, Inc., Cheshire, CT, 06410, USA
| | - Pooja Singh
- Department of Biology, University of Arkansas at Little Rock, 2801 S University Avenue, Little Rock, AR, 72204, USA
| | - Krishnaswamy Kannan
- Department of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Nawab Ali
- Department of Biology, University of Arkansas at Little Rock, 2801 S University Avenue, Little Rock, AR, 72204, USA.
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27
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Latour I, Buc-Calderon P. Survival and Metabolic Function of Freshly Isolated Rat Hepatocytes Exposed First to a Heat Shock and Then to an Oxidative Stress. Int J Toxicol 2016. [DOI: 10.1080/109158199225387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The formation of heat shock proteins (hsp) leading to thermotolerance has been extensively reported in many cell types. In freshly isolated rat hepatocytes, hsp were synthesized after 60 minutes of incubation at 42°C. Cell survival was not modified by such a treatment, but protein synthesis, secretion of triglycerides as lipoproteins, and the maintenance of both ATP and glycogen levels were significantly impaired. When exposed to an oxidative stress, heat-shocked hepatocytes were not more resistant than cells always kept at 37°C. Conversely, the addition of tert-butyl hydroperoxide (tBOOH) resulted, in general, in an increased lactate dehydrogenase leakage. The metabolism of tBOOH, as estimated by the reduced glutathione (GSH) content and GSH peroxidase activity, was similar in both control and heat-shocked hepatocytes. Despite the synthesis of hsp in rat hepatocytes, the lack of resistance to a subsequent oxidant injury may be due to the metabolic impairment caused by the heat shock.
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Affiliation(s)
- Isabelle Latour
- Unité de Pharmacocinétique, Métabolisme, Nutrition et Toxicologie, Département des Sciences Pharmac eutiques, Université Catholique de Louvain, Bruxelles, Belgium
| | - Pedro Buc-Calderon
- Unité de Pharmacocinétique, Métabolisme, Nutrition et Toxicologie, Département des Sciences Pharmac eutiques, Université Catholique de Louvain, Bruxelles, Belgium
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Johnson JS, Sanz Fernandez MV, Seibert JT, Ross JW, Lucy MC, Safranski TJ, Elsasser TH, Kahl S, Rhoads RP, Baumgard LH. In utero heat stress increases postnatal core body temperature in pigs. J Anim Sci 2016; 93:4312-22. [PMID: 26440331 DOI: 10.2527/jas.2015-9112] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In utero heat stress (IUHS) negatively impacts postnatal development, but how it alters future body temperature parameters and energetic metabolism is not well understood. Future body temperature indices and bioenergetic markers were characterized in pigs from differing in utero thermal environments during postnatal thermoneutral (TN) and cyclical heat stress (HS) exposure. First-parity pregnant gilts ( = 13) were exposed to 1 of 4 ambient temperature (T) treatments (HS [cyclic 28°C to 34°C] or TN [cyclic 18°C to 22°C]) applied for the entire gestation (HSHS, TNTN), HS for the first half of gestation (HSTN), or HS for the second half of gestation (TNHS). Twenty-four offspring (23.1 ± 1.2 kg BW; = 6 HSHS, = 6 TNTN, = 6 HSTN, = 6 TNHS) were housed in TN (21.7°C ± 0.7°C) conditions and then exposed to 2 separate but similar HS periods (HS1 = 6 d; HS2 = 6 d; cycling 28°C to 36°C). Core body temperature (T) was assessed every 15 min with implanted temperature recorders. Regardless of in utero treatment, T increased during both HS periods ( = 0.01; 0.58°C). During TN, HS1, and HS2, all IUHS pigs combined had increased T ( = 0.01; 0.36°C, 0.20°C, and 0.16°C, respectively) compared to TNTN controls. Although unaffected by in utero environment, the total plasma thyroxine to triiodothyronine ratio was reduced ( = 0.01) during HS1 and HS2 (39% and 29%, respectively) compared with TN. In summary, pigs from IUHS maintained an increased T compared with TNTN controls regardless of external T, and this thermal differential may have practical implications to developmental biology and animal bioenergetics.
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29
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Miyazaki D, Nakamura A, Hineno A, Kobayashi C, Kinoshita T, Yoshida K, Ikeda SI. Elevation of serum heat-shock protein levels in amyotrophic lateral sclerosis. Neurol Sci 2016; 37:1277-81. [PMID: 27112486 DOI: 10.1007/s10072-016-2582-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 04/13/2016] [Indexed: 01/08/2023]
Abstract
Heat-shock proteins (HSPs) have been implicated in the pathogenesis of amyotrophic lateral sclerosis (ALS). In this study, we aimed to examine whether the serum levels of HSPs (HSP27, HSP70, and HSP90) are altered in patients with ALS. We included 58 patients diagnosed with ALS and 85 control individuals. Serum HSP levels of patients and controls were determined using enzyme-linked immunosorbent assay. The serum levels of HSP70 and HSP90 were significantly higher in patients than in controls. In contrast, serum levels of HSP27 did not differ significantly between the patient and control groups. Moreover, serum levels of HSP70 and HSP90 in patients remained high throughout the duration of the disease. Taken together, our findings suggest that HSPs might have a role in ALS progression throughout the course of the disease. Further studies are needed to clarify the role of HSPs in the pathogenesis of ALS.
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Affiliation(s)
- Daigo Miyazaki
- Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto, 390-8621, Japan.,Intractable Disease Care Center, Shinshu University Hospital, Asahi 3-1-1, Matsumoto, 390-8621, Japan
| | - Akinori Nakamura
- Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto, 390-8621, Japan. .,Intractable Disease Care Center, Shinshu University Hospital, Asahi 3-1-1, Matsumoto, 390-8621, Japan.
| | - Akiyo Hineno
- Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto, 390-8621, Japan
| | - Chinatsu Kobayashi
- Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto, 390-8621, Japan
| | - Tomomi Kinoshita
- Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto, 390-8621, Japan
| | - Kunihiro Yoshida
- Division of Neurogenetics, Department of Brain Disease Research, Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto, 390-8621, Japan
| | - Shu-Ichi Ikeda
- Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto, 390-8621, Japan
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Abstract
The heat-shock response is a key factor in diverse stress scenarios, ranging from hyperthermia to protein folding diseases. However, the complex dynamics of this physiological response have eluded mathematical modeling efforts. Although several computational models have attempted to characterize the heat-shock response, they were unable to model its dynamics across diverse experimental datasets. To address this limitation, we mined the literature to obtain a compendium of in vitro hyperthermia experiments investigating the heat-shock response in HeLa cells. We identified mechanisms previously discussed in the experimental literature, such as temperature-dependent transcription, translation, and heat-shock factor (HSF) oligomerization, as well as the role of heat-shock protein mRNA, and constructed an expanded mathematical model to explain the temperature-varying DNA-binding dynamics, the presence of free HSF during homeostasis and the initial phase of the heat-shock response, and heat-shock protein dynamics in the long-term heat-shock response. In addition, our model was able to consistently predict the extent of damage produced by different combinations of exposure temperatures and durations, which were validated against known cellular-response patterns. Our model was also in agreement with experiments showing that the number of HSF molecules in a HeLa cell is roughly 100 times greater than the number of stress-activated heat-shock element sites, further confirming the model’s ability to reproduce experimental results not used in model calibration. Finally, a sensitivity analysis revealed that altering the homeostatic concentration of HSF can lead to large changes in the stress response without significantly impacting the homeostatic levels of other model components, making it an attractive target for intervention. Overall, this model represents a step forward in the quantitative understanding of the dynamics of the heat-shock response.
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Johnson JS, Sapkota A, Lay DC. Rapid cooling after acute hyperthermia alters intestinal morphology and increases the systemic inflammatory response in pigs. J Appl Physiol (1985) 2016; 120:1249-59. [PMID: 26893031 DOI: 10.1152/japplphysiol.00685.2015] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 02/11/2016] [Indexed: 01/06/2023] Open
Abstract
The study objective was to determine the direct effects of rapid cooling after acute hyperthermia on intestinal morphology and inflammatory response in pigs. In four repetitions, male pigs (N = 36; 88.7 ± 1.6 kg) were exposed to thermoneutrality (TN; n = 3/rep; 19.5 ± 0.1°C) for 6 h or heat stress (HS; 36.4 ± 0.1°C) for 3 h, followed by a 3-h recovery period of rapid cooling (HSRC; n = 3/rep; rapid TN exposure and ice water dousing for 1.5 h) or gradual cooling (HSGC; n = 3/rep; gradual decrease from HS to TN). Rectal (TR) and gastrointestinal tract (TGI) temperatures were obtained every 15 min for 6 h. In repetitions 1 and 2, blood was collected at 60 and 180 min during HS and 30 and 60 min during recovery, and then pigs were euthanized at 180 min of recovery and duodenum, ileum, and colon tissue were collected to evaluate intestinal morphology. HS increased (P < 0.01) maximum TR (40.7°C) and TGI (41.5°C) compared with TN treatment (38.9 and 39.3°C, respectively). Recovery reduced TR (P < 0.01; 0.4°C) in HSRC vs. HSGC pigs, but TGI was similar (40.7°C). HSRC reduced (P < 0.01) villus height-to-crypt depth ratio in the duodenum (34%) and ileum (46%) vs. HSGC pigs. Serum LPS concentration was greater in HSRC pigs (P = 0.04; 68.5% and 52.4%, respectively) compared with TN and HSGC pigs, and TNF-α concentration tended to be greater (P = 0.06; 41.2%) compared with HSGC pigs during recovery. In summary, rapid cooling reduced TR but had no effect on TGI, and this may be linked to increased intestinal damage and a systemic inflammatory response.
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Affiliation(s)
- Jay S Johnson
- USDA-ARS Livestock Behavior Research Unit, West Lafayette, Indiana
| | - Avi Sapkota
- USDA-ARS Livestock Behavior Research Unit, West Lafayette, Indiana
| | - Donald C Lay
- USDA-ARS Livestock Behavior Research Unit, West Lafayette, Indiana
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Ohno Y, Egawa T, Yokoyama S, Nakai A, Sugiura T, Ohira Y, Yoshioka T, Goto K. Deficiency of heat shock transcription factor 1 suppresses heat stress-associated increase in slow soleus muscle mass of mice. Acta Physiol (Oxf) 2015; 215:191-203. [PMID: 26347147 DOI: 10.1111/apha.12600] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 07/20/2015] [Accepted: 09/03/2015] [Indexed: 01/30/2023]
Abstract
AIM Effects of heat shock transcription factor 1 (HSF1) deficiency on heat stress-associated increase in slow soleus muscle mass of mice were investigated. METHODS Both HSF1-null and wild-type mice were randomly assigned to control and heat-stressed groups. Mice in heat-stressed group were exposed to heat stress (41 °C for 60 min) in an incubator without anaesthesia. RESULTS Significant increase in wet and dry weights, and protein content of soleus muscle in wild-type mice was observed seven days after the application of the heat stress. However, heat stress had no impact on soleus muscle mass in HSF1-null mice. Neither type of mice exhibited much effect of heat stress on HSF mRNA expression (HSF1, HSF2 and HSF4). On the other hand, heat stress upregulated heat shock proteins (HSPs) at the mRNA (HSP72) and protein (HSP72 and HSP110) levels in wild-type mice, but not in HSF1-null mice. The population of Pax7-positive nuclei relative to total myonuclei of soleus muscle in wild-type mice was significantly increased by heat stress, but not in HSF1-null mice. Furthermore, the absence of HSF1 gene suppressed heat stress-associated phosphorylation of Akt and p70 S6 kinase (p-p70S6K) in soleus muscle. CONCLUSION Heat stress-associated increase in skeletal muscle mass may be induced by HSF1 and/or HSF1-mediated stress response that activates muscle satellite cells and Akt/p70S6K signalling pathway.
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Affiliation(s)
- Y. Ohno
- Laboratory of Physiology; School of Health Sciences; Toyohashi SOZO University; Toyohashi Japan
| | - T. Egawa
- Department of Physiology; Graduate School of Health Sciences; Toyohashi SOZO University; Toyohashi Japan
- Research Fellow of the Japan Society for the Promotion of Science; Tokyo Japan
| | - S. Yokoyama
- Laboratory of Physiology; School of Health Sciences; Toyohashi SOZO University; Toyohashi Japan
| | - A. Nakai
- Department of Molecular Biology; Graduate School of Medicine; Yamaguchi University; Ube Japan
| | - T. Sugiura
- Faculty of Education; Yamaguchi University; Yamaguchi Japan
| | - Y. Ohira
- Graduate School of Health and Sports Science; Doshisha University; Kyotanabe Japan
| | | | - K. Goto
- Laboratory of Physiology; School of Health Sciences; Toyohashi SOZO University; Toyohashi Japan
- Department of Physiology; Graduate School of Health Sciences; Toyohashi SOZO University; Toyohashi Japan
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33
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Al-Zghoul MB, Dalab AES, Yahya IE, Althnaian TA, Al-Ramadan SY, Ali AM, Albokhadaim IF, El-Bahr SM, Al Busadah KA, Hannon KM. Thermal manipulation during broiler chicken embryogenesis: Effect on mRNA expressions of Hsp108, Hsp70, Hsp47 and Hsf-3 during subsequent post-hatch thermal challenge. Res Vet Sci 2015; 103:211-7. [PMID: 26679820 DOI: 10.1016/j.rvsc.2015.10.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 10/26/2015] [Accepted: 10/26/2015] [Indexed: 11/28/2022]
Abstract
Effects of thermal manipulation during broiler chicken embryonic days 12-18 on body temperature (T(b)) and mRNA expressions of Hsp108, Hsp70, Hsp47 and Hsf-3 in muscle, heart and brain tissues during subsequent thermal challenge (TC) were investigated. Fertile chicken eggs were divided randomly into four groups (n=375): eggs in the control group were maintained at 37.8°C and 56% (RH). Eggs in TM1 group were subjected to TM at 39°C for 9h during ED 12-18. Eggs in the TM2 and TM3 groups were subjected to the same protocol of TM1 except for increasing the period of exposure to 12h and 18h, respectively. During TC (43°C for 6h) at days 10 and 28, T(b) of TM chicks was significantly lower compared to controls. Furthermore, significant changes in mRNA expressions of Hsp108, Hsp70 and Hsp47 in muscle, heart and brain tissues were observed.
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Affiliation(s)
- Mohammad-Borhan Al-Zghoul
- Department of Anatomy, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia.
| | - Abd Elhafeed S Dalab
- Department of Anatomy, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia
| | - Imaad E Yahya
- Department of Anatomy, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia
| | - Thnaian A Althnaian
- Department of Anatomy, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia
| | - Saeed Y Al-Ramadan
- Department of Anatomy, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia
| | - Abdelhadi M Ali
- Department of Anatomy, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia
| | - Ibrahim F Albokhadaim
- Department of Physiology and Pharmacology, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia
| | - Sabry M El-Bahr
- Department of Physiology and Pharmacology, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia
| | - Khalid Ahmed Al Busadah
- Department of Physiology and Pharmacology, Faculty of Veterinary Medicine and Animal Resources, King Faisal University, Al-Hasa, Saudi Arabia
| | - Kevin M Hannon
- Department of Basic Medical Sciences, Purdue University, West Lafayette, IN, United States
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34
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Hu H, Zhang Y, Zheng N, Cheng J, Wang J. The effect of heat stress on gene expression and synthesis of heat-shock and milk proteins in bovine mammary epithelial cells. Anim Sci J 2015; 87:84-91. [PMID: 26467738 DOI: 10.1111/asj.12375] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Accepted: 11/05/2014] [Indexed: 11/28/2022]
Abstract
In this study, bovine mammary epithelial cells were used to study stress responses after cells were exposed to 42°C for 0.5, 1, 3, 5, 8 or 12 h, and 38°C as control. The transcription of the genes (HSP27, HSP70 and HSP90) of heat shock protein (Hsp) was significantly enhanced under heat stress (HS). The peak transcription of HSP70 was 14 times the control at 1 h. Expression of proteins Hsp27 and Hsp70 was gradually increased under HS, with rapid deposition of Hsp70 in epithelial cells. The major milk protein genes of β-casein (CSN2) and butyrophilin (BTN1A1) were down-regulated and the synthesis of total caseins was decreased. After the cells were under HS (42°C) for 1 or 5 h, the cells were cultured at 38°C for 1, 6, 12 or 24 h for recovery. When the cells were cultured at 38°C for 24 h after HS for 1 h, the transcription of HSP70, HSP90, CSN2 and BTN reached normal levels. Our results suggest that HS initiated Hsp synthesis and decreased the milk protein synthesis. Hsp70 is extremely sensitive to HS and mainly responsible for mammary cell protection from HS.
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Affiliation(s)
- Han Hu
- Ministry of Agriculture-Milk Risk Assessment Laboratory, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Ministry of Agriculture-Milk and Dairy Product Inspection Center, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yangdong Zhang
- Ministry of Agriculture-Milk Risk Assessment Laboratory, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Ministry of Agriculture-Milk and Dairy Product Inspection Center, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Nan Zheng
- Ministry of Agriculture-Milk Risk Assessment Laboratory, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Ministry of Agriculture-Milk and Dairy Product Inspection Center, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jianbo Cheng
- Ministry of Agriculture-Milk Risk Assessment Laboratory, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Ministry of Agriculture-Milk and Dairy Product Inspection Center, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jiaqi Wang
- Ministry of Agriculture-Milk Risk Assessment Laboratory, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Ministry of Agriculture-Milk and Dairy Product Inspection Center, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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35
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Sharma S, Mishra R, Walker BL, Deshmukh S, Zampino M, Patel J, Anamalai M, Simpson D, Singh IS, Kaushal S, Kaushal S. Celastrol, an oral heat shock activator, ameliorates multiple animal disease models of cell death. Cell Stress Chaperones 2015; 20:185-201. [PMID: 25300203 PMCID: PMC4255245 DOI: 10.1007/s12192-014-0536-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 08/05/2014] [Accepted: 08/08/2014] [Indexed: 12/11/2022] Open
Abstract
Protein homeostatic regulators have been shown to ameliorate single, loss-of-function protein diseases but not to treat broader animal disease models that may involve cell death. Diseases often trigger protein homeostatic instability that disrupts the delicate balance of normal cellular viability. Furthermore, protein homeostatic regulators have been delivered invasively and not with simple oral administration. Here, we report the potent homeostatic abilities of celastrol to promote cell survival, decrease inflammation, and maintain cellular homeostasis in three different disease models of apoptosis and inflammation involving hepatocytes and cardiomyocytes. We show that celastrol significantly recovers the left ventricular function and myocardial remodeling following models of acute myocardial infarction and doxorubicin-induced cardiomyopathy by diminishing infarct size, apoptosis, and inflammation. Celastrol prevents acute liver dysfunction and promotes hepatocyte survival after toxic doses of thioacetamide. Finally, we show that heat shock response (HSR) is necessary and sufficient for the recovery abilities of celastrol. Our observations may have dramatic clinical implications to ameliorate entire disease processes even after cellular injury initiation by using an orally delivered HSR activator.
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Affiliation(s)
- Sudhish Sharma
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - Rachana Mishra
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - Brandon L. Walker
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - Savitha Deshmukh
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - Manuela Zampino
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - Jay Patel
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - Mani Anamalai
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - David Simpson
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - Ishwar S. Singh
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
| | - Shalesh Kaushal
- />Retina Specialty Institute, 6717 North 11th Place Suite C, Gainesville, FL 32605 USA
| | - Sunjay Kaushal
- />Division of Cardiac Surgery, University of Maryland Medical Center, 110 S. Paca Street, 7th Floor, Baltimore, MD 21201 USA
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Dangi SS, Gupta M, Nagar V, Yadav VP, Dangi SK, Shankar O, Chouhan VS, Kumar P, Singh G, Sarkar M. Impact of short-term heat stress on physiological responses and expression profile of HSPs in Barbari goats. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2014; 58:2085-2093. [PMID: 24609928 DOI: 10.1007/s00484-014-0809-5] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Revised: 02/20/2014] [Accepted: 02/20/2014] [Indexed: 06/03/2023]
Abstract
Six, nonpregnant, Barbari goats aged 4-5 years were selected for the study. For the first 6 days, the animals were kept in psychrometric chamber at thermoneutral temperature for 6 h each day to make them acclimated to climatic chamber. On the 7th day, the animals were exposed to 41 °C temperature for 3 h and then to 45 °C for the next 3 h. Cardinal physiological responses were measured, and blood samples (3 ml) were collected at 1-h interval during the heat exposure period and then once after 6 h of the heat exposure. The rectal temperature (RT) and respiratory rate (RR) increased significantly (P < 0.05) during the heat exposure compared to pre- and postexposure. The relative messenger RNA (mRNA) expression of heat shock protein (HSP)60, HSP70, and HSP90 increased significantly (P < 0.05) within 1 h after exposure to heat stress at 41 and 45 °C and decreased significantly (P < 0.05) in next 2 h but remain significantly (P < 0.05) elevated from preexposure. HSP105/110 relative mRNA expression level remained unchanged during the first 4 h, and thereafter, it increased significantly (P < 0.05) and reached the peak at 6 h. Relative protein expression pattern of HSPs during exposure to heat stress showed similar trend as observed for the relative mRNA expression. Given the response sensitivity and intensity of HSP genes to environmental stresses, HSP70 was found to be the most sensitive to temperature fluctuation, and it could be used as an important molecular biomarker to heat stress in animals.
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Affiliation(s)
- Satyaveer Singh Dangi
- Division of Physiology & Climatology, Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
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Moussa M, Goldberg SN, Kumar G, Sawant RR, Levchenko T, Torchilin V, Ahmed M. Radiofrequency ablation-induced upregulation of hypoxia-inducible factor-1α can be suppressed with adjuvant bortezomib or liposomal chemotherapy. J Vasc Interv Radiol 2014; 25:1972-82. [PMID: 25439675 PMCID: PMC4269608 DOI: 10.1016/j.jvir.2014.08.025] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 08/21/2014] [Accepted: 08/22/2014] [Indexed: 12/21/2022] Open
Abstract
PURPOSE To characterize upregulation of hypoxia-inducible factor (HIF)-1α after radiofrequency (RF) ablation and the influence of an adjuvant HIF-1α inhibitor (bortezomib) and nanodrugs on modulating RF ablation-upregulated hypoxic pathways. MATERIALS AND METHODS Fisher 344 rats (n = 68) were used. First, RF ablation-induced periablational HIF-1α expression was evaluated in normal liver or subcutaneous R3230 tumors (14-16 mm). Next, the effect of varying RF ablation thermal dose (varying tip temperature 50°C-90°C for 2-20 minutes) on HIF-1α expression was studied in R3230 tumors. Third, RF ablation was performed in R3230 tumors without or with an adjuvant HIF-1α inhibitor, bortezomib (single intraperitoneal dose 0.1 mg/kg). Finally, the combination RF ablation and intravenous liposomal chemotherapeutics with known increases in periablational cellular cytotoxicity (doxorubicin, paclitaxel, and quercetin) was assessed for effect on periablational HIF-1α. Outcome measures included immunohistochemistry of HIF-1α and heat shock protein 70 (marker of nonlethal thermal injury). RESULTS RF ablation increased periablational HIF-1α in both normal liver and R3230 tumor, peaking at 24-72 hours. Tumor RF ablation had similar HIF-1α rim thickness but significantly greater percent cell positivity compared with hepatic RF ablation (P < .001). HIF-1α after ablation was the same regardless of thermal dose. Bortezomib suppressed HIF-1α (rim thickness, 68.7 µm ± 21.5 vs 210.3 µm ± 85.1 for RF ablation alone; P < .02) and increased ablation size (11.0 mm ± 1.5 vs 7.7 mm ± 0.6 for RF ablation alone; P < .002). Finally, all three nanodrugs suppressed RF ablation-induced HIF-1α (ie, rim thickness and cell positivity; P < .02 for all comparisons), with liposomal doxorubicin suppressing HIF-1α the most (P < .03). CONCLUSIONS RF ablation upregulates HIF-1α in normal liver and tumor in a temperature-independent manner. This progrowth, hypoxia pathway can be successfully suppressed with an adjuvant HIF-1α-specific inhibitor, bortezomib, or non-HIF-1α-specific liposomal chemotherapy.
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Affiliation(s)
- Marwan Moussa
- Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 1 Deaconess Road, WCC 308-B, Boston, MA 02215
| | - S Nahum Goldberg
- Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 1 Deaconess Road, WCC 308-B, Boston, MA 02215; Division of Image-guided Therapy and Interventional Oncology, Department of Radiology, Hadassah Hebrew University Medical Center, Jerusalem, Israel
| | - Gaurav Kumar
- Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 1 Deaconess Road, WCC 308-B, Boston, MA 02215
| | - Rupa R Sawant
- Department of Pharmaceutical Sciences and Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, Massachusetts
| | - Tatyana Levchenko
- Department of Pharmaceutical Sciences and Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, Massachusetts
| | - Vladimir Torchilin
- Department of Pharmaceutical Sciences and Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, Massachusetts
| | - Muneeb Ahmed
- Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 1 Deaconess Road, WCC 308-B, Boston, MA 02215.
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Lee BJ, Emery-Sinclair EL, Mackenzie RWA, Hussain A, Taylor L, James RS, Thake CD. The impact of submaximal exercise during heat and/or hypoxia on the cardiovascular and monocyte HSP72 responses to subsequent (post 24 h) exercise in hypoxia. EXTREME PHYSIOLOGY & MEDICINE 2014; 3:15. [PMID: 25343025 PMCID: PMC4179935 DOI: 10.1186/2046-7648-3-15] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Accepted: 08/21/2014] [Indexed: 06/04/2023]
Abstract
BACKGROUND The aims of this study were to describe the cellular stress response to prolonged endurance exercise in acute heat, hypoxia and the combination of heat and hypoxia and to determine whether prior acute exposure to these stressors improved cellular tolerance to a subsequent exercise bout in hypoxia 24 h later. METHODS Twelve males (age 22 ± 4 years, height 1.77 ± 0.05 m, mass 79 ± 12.9 kg, VO2 max 3.57 ± 0.7 L · min(-1)) completed four trials (30-min rest, 90-min cycling at 50% normoxic VO2 max) in normothermic normoxia (NORM; 18°C, FIO2 = 0.21), heat (HEAT; 40°C, 20% RH), hypoxia (HYP; FIO2 = 0.14) or a combination of heat and hypoxia (COM; 40°C, 20% RH, FIO2 = 0.14) separated by at least 7 days. Twenty-four hours after each trial, participants completed a hypoxic stress test (HST; 15-min rest, 60-min cycling at 50% normoxic VO2 max, FIO2 = 0.14). Monocyte heat shock protein 72 (mHSP72) was assessed immediately before and after each exercise bout. RESULTS mHSP72 increased post exercise in NORM (107% ± 5.5%, p > 0.05), HYP (126% ± 16%, p < 0.01), HEAT (153% ± 14%, p < 0.01) and COM (161% ± 32%, p < 0.01). mHSP72 had returned to near-resting values 24 h after NORM (97% ± 8.6%) but was elevated after HEAT (130% ± 19%), HYP (118% ± 17%) and COM (131% ± 19%) (p < 0.05). mHSP72 increased from baseline after HSTNORM (118% ± 12%, p < 0.05), but did not increase further in HSTHEAT, HSTHYP and HSTCOM. CONCLUSIONS The prior induction of mHSP72 as a result of COM, HEAT and HYP attenuated further mHSP72 induction after HST and was indicative of conferred cellular tolerance.
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Affiliation(s)
- Ben J Lee
- Sport and Exercise Science Applied Research Group, Coventry University, Coventry, UK
| | - Emma L Emery-Sinclair
- Inflammation and Infection Group, School of Science and Technology, University of Westminster, London, UK
| | - Richard WA Mackenzie
- Inflammation and Infection Group, School of Science and Technology, University of Westminster, London, UK
| | - Afthab Hussain
- Sport and Exercise Science Applied Research Group, Coventry University, Coventry, UK
| | - Lee Taylor
- Department of Sport and Exercise Sciences, University of Bedfordshire, Bedford, UK
| | - Rob S James
- Sport and Exercise Science Applied Research Group, Coventry University, Coventry, UK
| | - C Douglas Thake
- Sport and Exercise Science Applied Research Group, Coventry University, Coventry, UK
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Gibson OR, Dennis A, Parfitt T, Taylor L, Watt PW, Maxwell NS. Extracellular Hsp72 concentration relates to a minimum endogenous criteria during acute exercise-heat exposure. Cell Stress Chaperones 2014; 19:389-400. [PMID: 24085588 PMCID: PMC3982022 DOI: 10.1007/s12192-013-0468-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 09/20/2013] [Accepted: 09/20/2013] [Indexed: 10/26/2022] Open
Abstract
Extracellular heat shock protein 72 (eHsp72) concentration increases during exercise-heat stress when conditions elicit physiological strain. Differences in severity of environmental and exercise stimuli have elicited varied response to stress. The present study aimed to quantify the extent of increased eHsp72 with increased exogenous heat stress, and determine related endogenous markers of strain in an exercise-heat model. Ten males cycled for 90 min at 50 % [Formula: see text] in three conditions (TEMP, 20 °C/63 % RH; HOT, 30.2 °C/51%RH; VHOT, 40.0 °C/37%RH). Plasma was analysed for eHsp72 pre, immediately post and 24-h post each trial utilising a commercially available ELISA. Increased eHsp72 concentration was observed post VHOT trial (+172.4 %) (p < 0.05), but not TEMP (-1.9 %) or HOT (+25.7 %) conditions. eHsp72 returned to baseline values within 24 h in all conditions. Changes were observed in rectal temperature (Trec), rate of Trec increase, area under the curve for Trec of 38.5 and 39.0 °C, duration Trec ≥38.5 and ≥39.0 °C, and change in muscle temperature, between VHOT, and TEMP and HOT, but not between TEMP and HOT. Each condition also elicited significantly increasing physiological strain, described by sweat rate, heart rate, physiological strain index, rating of perceived exertion and thermal sensation. Stepwise multiple regression reported rate of Trec increase and change in Trec to be predictors of increased eHsp72 concentration. Data suggests eHsp72 concentration increases once systemic temperature and sympathetic activity exceeds a minimum endogenous criteria elicited during VHOT conditions and is likely to be modulated by large, rapid changes in core temperature.
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Affiliation(s)
- Oliver R Gibson
- School of Sport and Service Management, Welkin Science Laboratories, University of Brighton, 30 Carlisle Road, Eastbourne, UK,
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40
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Banerjee D, Upadhyay RC, Chaudhary UB, Kumar R, Singh S, Ashutosh, G JM, Polley S, Mukherjee A, Das TK, De S. Seasonal variation in expression pattern of genes under HSP70 : Seasonal variation in expression pattern of genes under HSP70 family in heat- and cold-adapted goats (Capra hircus). Cell Stress Chaperones 2014; 19:401-8. [PMID: 24114386 PMCID: PMC3982034 DOI: 10.1007/s12192-013-0469-0] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 09/21/2013] [Accepted: 09/24/2013] [Indexed: 11/25/2022] Open
Abstract
Heat shock protein 70 (HSP70) is one of the most abundant and best characterized heat shock protein family that consists of highly conserved stress proteins, expressed in response to stress, and plays crucial roles in environmental stress tolerance and adaptation. The present study was conducted to identify major types of genes under the HSP70 family and to quantify their expression pattern in heat- and cold-adapted Indian goats (Capra hircus) with respect to different seasons. Five HSP70 gene homologues to HSPA8, HSPA6, HSPA1A, HSPA1L, and HSPA2 were identified by gene-specific primers. The cDNA sequences showed high similarity to other mammals, and proteins have an estimated molecular weight of around 70 kDa. The expression of HSP70 genes was observed during summer and winter. During summer, the higher expression of HSPA8, HSPA6, and HSPA1A was observed, whereas the expression levels of HSPA1L and HSPA2 were found to be lower. It was also observed that the expression of HSPA1A and HSPA8 was higher during winter in both heat- and cold-adapted goats but downregulates in case of other HSPs. Therefore, both heat and cold stress induced the overexpression of HSP70 genes. An interesting finding that emerged from the study is the higher expression of HSP70 genes in cold-adapted goats during summer and in heat-adapted goats during winter. Altogether, the results indicate that the expression pattern of HSP70 genes is species- and breed-specific, most likely due to variations in thermal tolerance and adaptation to different climatic conditions.
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Affiliation(s)
- Dipak Banerjee
- Stress and Environmental Physiology Laboratory, Animal Physiology Division, National Dairy Research Institute, Karnal, Haryana, 132001, India,
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41
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Bartelt-Kirbach B, Golenhofen N. Reaction of small heat-shock proteins to different kinds of cellular stress in cultured rat hippocampal neurons. Cell Stress Chaperones 2014; 19:145-53. [PMID: 23959629 PMCID: PMC3857434 DOI: 10.1007/s12192-013-0452-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 07/29/2013] [Accepted: 07/31/2013] [Indexed: 01/17/2023] Open
Abstract
Upregulation of small heat-shock proteins (sHsps) in response to cellular stress is one mechanism to increase cell viability.We previously described that cultured rat hippocampal neurons express five of the 11 family members but only upregulate two of them (HspB1 and HspB5) at the protein level after heat stress. Since neurons have to cope with many other pathological conditions, we investigated in this study the expression of all five expressed sHsps on mRNA and protein level after sublethal sodium arsenite and oxidative and hyperosmotic stress. Under all three conditions, HspB1, HspB5, HspB6, and HspB8 but not HspB11 were consistently upregulated but showed differences in the time course of upregulation. The increase of sHsps always occurred earlier on mRNA level compared with protein levels. We conclude from our data that these four upregulated sHsps (HspB1, HspB5, HspB6, HspB8) act together in different proportions in the protection of neurons from various stress conditions.
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Affiliation(s)
- Britta Bartelt-Kirbach
- Institute of Anatomy and Cell Biology, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Nikola Golenhofen
- Institute of Anatomy and Cell Biology, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
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42
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Heat shock transcription factor 1-deficiency attenuates overloading-associated hypertrophy of mouse soleus muscle. PLoS One 2013; 8:e77788. [PMID: 24167582 PMCID: PMC3805596 DOI: 10.1371/journal.pone.0077788] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Accepted: 09/11/2013] [Indexed: 02/08/2023] Open
Abstract
Hypertrophic stimuli, such as mechanical stress and overloading, induce stress response, which is mediated by heat shock transcription factor 1 (HSF1), and up-regulate heat shock proteins (HSPs) in mammalian skeletal muscles. Therefore, HSF1-associated stress response may play a key role in loading-associated skeletal muscle hypertrophy. The purpose of this study was to investigate the effects of HSF1-deficiency on skeletal muscle hypertrophy caused by overloading. Functional overloading on the left soleus was performed by cutting the distal tendons of gastrocnemius and plantaris muscles for 4 weeks. The right muscle served as the control. Soleus muscles from both hindlimbs were dissected 2 and 4 weeks after the operation. Hypertrophy of soleus muscle in HSF1-null mice was partially inhibited, compared with that in wild-type (C57BL/6J) mice. Absence of HSF1 partially attenuated the increase of muscle wet weight and fiber cross-sectional area of overloaded soleus muscle. Population of Pax7-positive muscle satellite cells in HSF1-null mice was significantly less than that in wild-type mice following 2 weeks of overloading (p<0.05). Significant up-regulations of interleukin (IL)-1β and tumor necrosis factor mRNAs were observed in HSF1-null, but not in wild-type, mice following 2 weeks of overloading. Overloading-related increases of IL-6 and AFT3 mRNA expressions seen after 2 weeks of overloading tended to decrease after 4 weeks in both types of mice. In HSF1-null mice, however, the significant overloading-related increase in the expression of IL-6, not ATF3, mRNA was noted even at 4th week. Inhibition of muscle hypertrophy might be attributed to the greater and prolonged enhancement of IL-6 expression. HSF1 and/or HSF1-mediated stress response may, in part, play a key role in loading-induced skeletal muscle hypertrophy.
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Bach TMH, Takagi H. Properties, metabolisms, and applications of l-proline analogues. Appl Microbiol Biotechnol 2013; 97:6623-34. [DOI: 10.1007/s00253-013-5022-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Revised: 05/24/2013] [Accepted: 05/26/2013] [Indexed: 12/26/2022]
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44
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Al-Zghoul MB, Al-Zhgoul MB, Dalab AES, Ababneh MM, Jawasreh KI, Al Busadah KA, Ismail ZB. Thermal manipulation during chicken embryogenesis results in enhanced Hsp70 gene expression and the acquisition of thermotolerance. Res Vet Sci 2013; 95:502-7. [PMID: 23787299 DOI: 10.1016/j.rvsc.2013.05.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2013] [Revised: 05/19/2013] [Accepted: 05/26/2013] [Indexed: 10/26/2022]
Abstract
The aim of this study was to evaluate the effect of thermal manipulation (TM) during embryogenesis on hatchability, growth performance and thermotolerance acquisition parameters during thermal challenge (TC). Seven-hundred and fifty fertile chicken eggs were divided randomly into three groups (250 eggs each): control group was maintained at 37.8°C and 56% relative humidity (RH), TM1 was subjected to TM at 38.8°C for 6h and 65% RH during embryonic days (ED)10-18 and TM2 was subjected to TM at 38.8°C for 18 h and 65% RH during ED10-18. Hatched chicks from each treatment group were then randomly divided into two sub-treatment groups (Naive and TC). Chicks in TC groups were subjected to TC by adjusting room temperature to 41.0°C for 6h on days 3, 7, and 42 of age while naïve chicks were kept under regular conditions (25 ± 1°C and 50-60% RH). Percentage of hatched eggs was recorded and post-hatch chick performance was evaluated by recording chick body weight (BW). Chick's response to TC was evaluated by determination of body temperature (T(b)), plasma T3 and T4 levels, and muscle mRNA levels of Hsp70. There was a significant increase in muscle mRNA levels of Hsp70 during embryogenesis and during TC in post-hatch chicks. While hatchability was not adversely affected, the body weight in TM2 chicks was significantly higher at the end of the study period (42 days). Results of this study indicated a long-term enhancement of Hsp70 gene expression associated with improved thermotolerance acquisition in treated chicks without adversely affecting performance.
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Affiliation(s)
| | - Mohammad-Borhan Al-Zhgoul
- Department of Basic Medical Veterinary Sciences, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Irbid, Jordan.
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45
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Madeira D, Narciso L, Cabral HN, Vinagre C, Diniz MS. Influence of temperature in thermal and oxidative stress responses in estuarine fish. Comp Biochem Physiol A Mol Integr Physiol 2013; 166:237-43. [PMID: 23774589 DOI: 10.1016/j.cbpa.2013.06.008] [Citation(s) in RCA: 176] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Revised: 06/06/2013] [Accepted: 06/08/2013] [Indexed: 12/14/2022]
Abstract
The influence of increasing temperatures in thermal and oxidative stress responses were studied in the muscle of several estuarine fish species (Diplodus vulgaris, Diplodus sargus, Dicentrarchus labrax, Gobius niger and Liza ramada). Selected fish were collected in July at the Tagus estuary (24±0.9°C; salinity of 30±4‰; pH=8). Fish were subjected to a temperature increase of 1°C.h(-1) until they reached their Critical Thermal Maximum (CTMax), starting at 24°C (control temperature). Muscle samples were collected during the trial and results showed that oxidative stress biomarkers are highly sensitive to temperature. Results from stress oxidative enzymes show alterations with increasing temperature in all tested species. Catalase (CAT; EC 1.11.1.6) activity significantly increased in L. ramada, D. labrax and decreased in D. vulgaris. Glutathione S-transferase (GST; EC 2.5.1.18) activity increased in L. ramada, D. sargus, D. vulgaris, and D. labrax. In G. niger it showed a cycle of increase-decrease. Lipid peroxidation (LPO) increased in L. ramada, D. sargus and D. labrax. With respect to correlation analysis (Pearson; Spearman r), the results showed that oxidation products and antioxidant defenses were correlated in L. ramada (LPO-CAT and LPO-GST, D. sargus (LPO-CAT), and D. labrax (LPO-CAT). Oxidative biomarkers were correlated with thermal stress biomarker (Hsp70) in L. ramada (CAT-Hsp70), D. vulgaris (LPO-Hsp70), D. labrax (GST-Hsp70) and G. niger (LPO-Hsp70). In conclusion, oxidative stress does occur with increasing temperatures and there seems to be a relation between thermal stress response and oxidative stress response. The results suggest that oxidative stress biomarkers should be applied with caution, particularly in field multi-species/multi-environment studies.
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Affiliation(s)
- D Madeira
- Centro de Oceanografia, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal.
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46
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Rhoads RP, Baumgard LH, Suagee JK, Sanders SR. Nutritional interventions to alleviate the negative consequences of heat stress. Adv Nutr 2013; 4:267-76. [PMID: 23674792 PMCID: PMC3650495 DOI: 10.3945/an.112.003376] [Citation(s) in RCA: 135] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Energy metabolism is a highly coordinated process, and preferred fuel(s) differ among tissues. The hierarchy of substrate use can be affected by physiological status and environmental factors including high ambient temperature. Unabated heat eventually overwhelms homeothermic mechanisms resulting in heat stress, which compromises animal health, farm animal production, and human performance. Various aspects of heat stress physiology have been extensively studied, yet a clear understanding of the metabolic changes occurring at the cellular, tissue, and whole-body levels in response to an environmental heat load remains ill-defined. For reasons not yet clarified, circulating nonesterified fatty acid levels are reduced during heat stress, even in the presence of elevated stress hormones (epinephrine, glucagon, and cortisol), and heat-stressed animals often have a blunted lipolytic response to catabolic signals. Either directly because of or in coordination with this, animals experiencing environmental hyperthermia exhibit a shift toward carbohydrate use. These metabolic alterations occur coincident with increased circulating basal and stimulated plasma insulin concentrations. Limited data indicate that proper insulin action is necessary to effectively mount a response to heat stress and minimize heat-induced damage. Consistent with this idea, nutritional interventions targeting increased insulin action may improve tolerance and productivity during heat stress. Further research is warranted to uncover the effects of heat on parameters associated with energy metabolism so that more appropriate and effective treatment methodologies can be designed.
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Affiliation(s)
- Robert P Rhoads
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, USA.
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47
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Islam A, Abraham P, Hapner CD, Andrews-Shigaki B, Deuster P, Chen Y. Heat exposure induces tissue stress in heat-intolerant, but not heat-tolerant, mice. Stress 2013; 16:244-53. [PMID: 22632404 DOI: 10.3109/10253890.2012.696754] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
Abstract
We investigated the association of systemic and local tissue stress responses with heat-tolerant (TOL) levels in mice. Thirty-eight mice were assigned into control and three heat exposure groups-TOL, moderately tolerant, and intolerant (INT), based on their overall thermal responses. Real-time core temperature, blood pressure, and heart rate (HR) were assessed during heat exposure (39.5 °C) under conscious condition. Tissue samples were collected 18-22 h following heat exposure. INT mice had significantly higher peak mean arterial pressure and HR than TOL mice during heat exposure. Plasma corticosterone levels were significantly higher in INT than in control mice. No significant changes in plasma cytokines or markers of oxidative status were observed. INT mice showed significant increases in HSP72 and HSP90 protein and mRNA levels in liver, heart, and gastrocnemius muscles compared to TOL and control mice. In contrast, INT mice had significantly lower heat shock factor 1 and glucocorticoid receptor protein and mRNA levels in these tissues than TOL and control mice. These results indicate that acute heat exposure induces stress responses in various tissues of INT mice, but not TOL mice. Upregulation of stress proteins by acute heat exposure involves both transcriptional and translational pathways.
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Affiliation(s)
- Aminul Islam
- Department of Military and Emergency Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
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48
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Rhoads RP, Baumgard LH, Suagee JK. 2011 and 2012 Early Careers Achievement Awards: metabolic priorities during heat stress with an emphasis on skeletal muscle. J Anim Sci 2013; 91:2492-503. [PMID: 23408824 DOI: 10.2527/jas.2012-6120] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Environmental heat stress undermines efficient animal production resulting in a significant financial burden to agricultural producers. The reduction in performance during heat stress is traditionally thought to result from reduced nutrient intake. Recently, this notion has been challenged with observations indicating that heat-stressed animals may exploit novel homeorhetic strategies to direct metabolic and fuel selection priorities independent of nutrient intake or energy balance. Alterations in systemic physiology support a shift in metabolism, stemming from coordinated interactions at whole-body and tissue-specific levels. Such changes are characterized by increased basal and stimulated circulating insulin concentration in addition to the ostensible lack of basal adipose tissue lipid mobilization coupled with reduced adipocyte responsiveness to lipolytic stimuli. Hepatic and skeletal muscle cellular bioenergetics also exhibit clear differences in carbohydrate production and use, respectively, due to heat stress. The apparent dichotomy in intermediary metabolism between the 2 tissue types may stem from factors such as tricarboxylic acid cycle substrate flux and mitochondrial respiration. Thus, the heat stress response markedly alters postabsorptive carbohydrate, lipid, and protein metabolism through coordinated changes in fuel supply and use across tissues in a manner that is distinct from commonly recognizable changes that occur in animals on a reduced plane of nutrition. Perhaps most intriguing is that the coordinated systemic, cellular, and molecular changes appear conserved across physiological states and among different ruminant and monogastric species. Ultimately, these changes result in the reprioritization of skeletal muscle fuel selection during heat stress, which may be important for whole-body metabolism and overall physiological adaptation to hyperthermia.
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Affiliation(s)
- R P Rhoads
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg 24061, USA.
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Olexikova L, Makarevich AV, Pivko J, Chrenek P. Ultrastructure of rabbit embryos exposed to hyperthermia and anti-Hsp 70. Anat Histol Embryol 2012; 42:285-91. [PMID: 23106165 DOI: 10.1111/ahe.12014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Accepted: 09/01/2012] [Indexed: 11/30/2022]
Abstract
The aim of the study was to determine the effect of short-term hyperthermia and Hsp70 blockage on ultrastructural changes in cell organelles and nucleoli of rabbit preimplantation embryos. The embryos were cultured either at 37.5°C (control, C) or 41.5°C (hyperthermia, HT) during 6 h. The antibody against Hsp70 was added into the culture medium (4 μg/ml) of morula stage embryos from C and HT groups. After termination of the culture, the embryos were processed for transmission electron microscopy. The embryos exposed to hyperthermia showed increased volume of lipid droplets, considerable occurrence of cellular debris in the perivitelline space and slight changes in the occurrence of microvilli on the surface of trophoblastic cells. In the embryos exposed to anti-Hsp 70 at 37.5°C, there were considerable changes in mitochondria morphology, decreased volume of dense bodies in the cytoplasm and considerable changes in the occurrence of microvilli on the surface of trophoblastic cells. In the group of embryos exposed simultaneously to hyperthermia and anti-Hsp 70, mitochondria were also expanded and swollen; the volume of flocculent vesicles and lipid droplets was increased and the volume of dense bodies in the cytoplasm was diminished. General organization of the cytoplasm in groups with anti-Hsp70 was characterized by cell organelle segregation. Averaged size of the nucleolar area was significantly increased in the embryos exposed to hyperthermia, whereas in the group exposed to the anti-Hsp70 without hyperthermia it was significantly diminished. Hyperthermia also caused disintegration of compact status of the nucleoli. In presence of anti-Hsp 70, the structural changes, described within the nucleoli during hyperthermia, were not observed. In conclusion, these results document ultrastructural changes in cell organelles of rabbit preimplantation embryo caused by hyperthermia, and also changes in the nucleolar structures, at which presence of Hsp-70 inhibit these changes.
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Affiliation(s)
- L Olexikova
- Animal Production Research Centre Nitra, Institute for Farm Animal Genetics and Reproduction, Hlohovecka 2, Lužianky, 95141, Slovakia.
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50
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Sawka MN, Leon LR, Montain SJ, Sonna LA. Integrated Physiological Mechanisms of Exercise Performance, Adaptation, and Maladaptation to Heat Stress. Compr Physiol 2011; 1:1883-928. [DOI: 10.1002/cphy.c100082] [Citation(s) in RCA: 299] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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