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Bao L, Liu Y, Jia Q, Chu S, Jiang H, He S. Argon neuroprotection in ischemic stroke and its underlying mechanism. Brain Res Bull 2024; 212:110964. [PMID: 38670471 DOI: 10.1016/j.brainresbull.2024.110964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/04/2024] [Accepted: 04/21/2024] [Indexed: 04/28/2024]
Abstract
Ischemic stroke (IS), primarily caused by cerebrovascular obstruction, results in severe neurological deficits and has emerged as a leading cause of death and disability worldwide. Recently, there has been increasing exploration of the neuroprotective properties of the inert gas argon. Argon has exhibited impressive neuroprotection in many in vivo and ex vivo experiments without signs of adverse effects, coupled with the advantages of being inexpensive and easily available. However, the efficient administration strategy and underlying mechanisms of neuroprotection by argon in IS are still unclear. This review summarizes current research on the neuroprotective effects of argon in IS with the goal to provide effective guidance for argon application and to elucidate the potential mechanisms of argon neuroprotection. Early and appropriate argon administration at as high a concentration as possible offers favorable neuroprotection in IS. Argon inhalation has been shown to provide some long-term protection benefits. Argon provides the anti-oxidative stress, anti-inflammatory and anti-apoptotic cytoprotective effects mainly around Toll-like receptor 2/4 (TLR2/4), mediated by extracellular signal-regulated kinase 1/2 (ERK1/2), nuclear factor (erythroid-derived 2)-like 2 (Nrf2), nuclear factor kappa-B (NF-ĸB) and B-cell leukemia/lymphoma 2 (Bcl-2). Therefore, argon holds significant promise as a novel clinical neuroprotective gas agent for ischemic stroke after further researches to identify the optimal application strategy and elucidate the underlying mechanism.
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Affiliation(s)
- Li Bao
- Department of Stroke Center, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China; Medical College of Nantong University, Nantong, Jiangsu 226019, People's Republic of China
| | - Yongxin Liu
- Medical College of Nantong University, Nantong, Jiangsu 226019, People's Republic of China
| | - Qi Jia
- Department of Stroke Center, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China; Medical College of Nantong University, Nantong, Jiangsu 226019, People's Republic of China
| | - Sihao Chu
- Department of Stroke Center, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China; Medical College of Nantong University, Nantong, Jiangsu 226019, People's Republic of China
| | - Han Jiang
- Department of Stroke Center, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China; Medical College of Nantong University, Nantong, Jiangsu 226019, People's Republic of China
| | - Shuang He
- Department of Stroke Center, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China.
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Teng W, Subsomwong P, Narita K, Nakane A, Asano K. Heat Shock Protein SSA1 Enriched in Hypoxic Secretome of Candida albicans Exerts an Immunomodulatory Effect via Regulating Macrophage Function. Cells 2024; 13:127. [PMID: 38247818 PMCID: PMC10814802 DOI: 10.3390/cells13020127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/05/2024] [Accepted: 01/08/2024] [Indexed: 01/23/2024] Open
Abstract
Candida albicans is an opportunistic pathogenic yeast that can survive in both normoxic and hypoxic environments. The involvement of C. albicans secretome on host biological processes has been demonstrated. However, the immunoregulatory function of C. albicans secretome released under hypoxic condition remains unclear. This study demonstrated the differences in cytokine responses and protein profiles between secretomes prepared under normoxic and hypoxic conditions. Furthermore, the immunoregulatory effects of heat shock protein SSA1(Ssa1), a protein candidate enriched in the hypoxic secretome, were investigated. Stimulation of mouse bone marrow-derived macrophages (BMMs) with Ssa1 resulted in the significant production of interleukin (IL)-10, IL-6, and tumor necrosis factor (TNF)-α as well as the significant expression of M2b macrophage markers (CD86, CD274 and tumor necrosis factor superfamily member 14), suggesting that C. albicans Ssa1 may promote macrophage polarization towards an M2b-like phenotype. Proteomic analysis of Ssa1-treated BMMs also revealed that Ssa1 reduced inflammation-related factors (IL-18-binding protein, IL-1 receptor antagonist protein, OX-2 membrane glycoprotein and cis-aconitate decarboxylase) and enhanced the proteins involved in anti-inflammatory response (CMRF35-like molecule 3 and macrophage colony-stimulating factor 1 receptor). Based on these results, we investigated the effect of Ssa1 on C. albicans infection and showed that Ssa1 inhibited the uptake of C. albicans by BMMs. Taken together, our results suggest that C. albicans alters its secretome, particularly by promoting the release of Ssa1, to modulate host immune response and survive under hypoxic conditions.
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Affiliation(s)
- Wei Teng
- Department of Microbiology and Immunology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan; (W.T.); (P.S.)
| | - Phawinee Subsomwong
- Department of Microbiology and Immunology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan; (W.T.); (P.S.)
| | - Kouji Narita
- Insititue for Animal Experimentation, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Akio Nakane
- Department of Biopolymer and Health Science, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
| | - Krisana Asano
- Department of Microbiology and Immunology, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan; (W.T.); (P.S.)
- Department of Biopolymer and Health Science, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan;
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Upadhyay A, Chhangani D, Rao NR, Kofler J, Vassar R, Rincon-Limas DE, Savas JN. Amyloid fibril proteomics of AD brains reveals modifiers of aggregation and toxicity. Mol Neurodegener 2023; 18:61. [PMID: 37710351 PMCID: PMC10503190 DOI: 10.1186/s13024-023-00654-z] [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: 01/25/2023] [Accepted: 09/07/2023] [Indexed: 09/16/2023] Open
Abstract
BACKGROUND The accumulation of amyloid beta (Aβ) peptides in fibrils is prerequisite for Alzheimer's disease (AD). Our understanding of the proteins that promote Aβ fibril formation and mediate neurotoxicity has been limited due to technical challenges in isolating pure amyloid fibrils from brain extracts. METHODS To investigate how amyloid fibrils form and cause neurotoxicity in AD brain, we developed a robust biochemical strategy. We benchmarked the success of our purifications using electron microscopy, amyloid dyes, and a large panel of Aβ immunoassays. Tandem mass-spectrometry based proteomic analysis workflows provided quantitative measures of the amyloid fibril proteome. These methods allowed us to compare amyloid fibril composition from human AD brains, three amyloid mouse models, transgenic Aβ42 flies, and Aβ42 seeded cultured neurons. RESULTS Amyloid fibrils are primarily composed by Aβ42 and unexpectedly harbor Aβ38 but generally lack Aβ40 peptides. Multidimensional quantitative proteomics allowed us to redefine the fibril proteome by identifying 20 new amyloid-associated proteins. Notably, we confirmed 57 previously reported plaque-associated proteins. We validated a panel of these proteins as bona fide amyloid-interacting proteins using antibodies and orthogonal proteomic analysis. One metal-binding chaperone metallothionein-3 is tightly associated with amyloid fibrils and modulates fibril formation in vitro. Lastly, we used a transgenic Aβ42 fly model to test if knock down or over-expression of fibril-interacting gene homologues modifies neurotoxicity. Here, we could functionally validate 20 genes as modifiers of Aβ42 toxicity in vivo. CONCLUSIONS These discoveries and subsequent confirmation indicate that fibril-associated proteins play a key role in amyloid formation and AD pathology.
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Affiliation(s)
- Arun Upadhyay
- Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Deepak Chhangani
- Department of Neurology, McKnight Brain Institute, and Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, 32611, USA
| | - Nalini R Rao
- Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Julia Kofler
- Department of Pathology, Division of Neuropathology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Robert Vassar
- Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
- Mesulam Center for Cognitive Neurology and Alzheimer's Disease, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Diego E Rincon-Limas
- Department of Neurology, McKnight Brain Institute, and Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, 32611, USA
- Department of Neuroscience, Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32611, USA
- Genetics Institute, University of Florida, Gainesville, FL, 32611, USA
| | - Jeffrey N Savas
- Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA.
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Yamashima T, Seike T, Mochly-Rosen D, Chen CH, Kikuchi M, Mizukoshi E. Implication of the cooking oil-peroxidation product "hydroxynonenal" for Alzheimer's disease. Front Aging Neurosci 2023; 15:1211141. [PMID: 37693644 PMCID: PMC10486274 DOI: 10.3389/fnagi.2023.1211141] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 07/31/2023] [Indexed: 09/12/2023] Open
Abstract
Aldehyde dehydrogenase 2 (ALDH2) is a mitochondrial enzyme that reduces cell injuries via detoxification of lipid-peroxidation product, 4-hydroxy-2-nonenal (hydroxynonenal). It is generated exogenously via deep-frying of linoleic acid-rich cooking oils and/or endogenously via oxidation of fatty acids involved in biomembranes. Although its toxicity for human health is widely accepted, the underlying mechanism long remained unknown. In 1998, Yamashima et al. have formulated the "calpain-cathepsin hypothesis" as a molecular mechanism of ischemic neuronal death. Subsequently, they found that calpain cleaves Hsp70.1 which became vulnerable after the hydroxynonenal-induced carbonylation at the key site Arg469. Since it is the pivotal aberration that induces lysosomal membrane rupture, they suggested that neuronal death in Alzheimer's disease similarly occurs by chronic ischemia via the calpain-cathepsin cascade triggered by hydroxynonenal. For nearly three decades, amyloid β (Aβ) peptide was thought to be a root substance of Alzheimer's disease. However, because of both the insignificant correlations between Aβ depositions and occurrence of neuronal death or dementia, and the negative results of anti-Aβ medicines tested so far in the patients with Alzheimer's disease, the strength of the "amyloid cascade hypothesis" has been weakened. Recent works have suggested that hydroxynonenal is a mediator of programmed cell death not only in the brain, but also in the liver, pancreas, heart, etc. Increment of hydroxynonenal was considered an early event in the development of Alzheimer's disease. This review aims at suggesting ways out of the tunnel, focusing on the implication of hydroxynonenal in this disease. Herein, the mechanism of Alzheimer neuronal death is discussed by focusing on Hsp70.1 with a dual function as chaperone protein and lysosomal stabilizer. We suggest that Aβ is not a culprit of Alzheimer's disease, but merely a byproduct of autophagy/lysosomal failure resulting from hydroxynonenal-induced Hsp70.1 disorder. Enhancing ALDH2 activity to detoxify hydroxynonenal emerges as a promising strategy for preventing and treating Alzheimer's disease.
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Affiliation(s)
- Tetsumori Yamashima
- Department of Psychiatry and Behavioral Science, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Takuya Seike
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
| | - Daria Mochly-Rosen
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
| | - Che-Hong Chen
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
| | - Mitsuru Kikuchi
- Department of Psychiatry and Behavioral Science, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Eishiro Mizukoshi
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
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Zaman T, Fahad TM, Rana M, Hossain MS, Mamun A, Haque MA, Sarker A, Islam MS, Haque MMUL, Naz T, Manik MIN, Ali H, Yamasu K, Khan A. Endosulfan affects embryonic development synergistically under elevated ambient temperature. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27665-z. [PMID: 37188935 DOI: 10.1007/s11356-023-27665-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 05/11/2023] [Indexed: 05/17/2023]
Abstract
In the present study, we determined the developmental toxicity of endosulfan at an elevated ambient temperature using the zebrafish animal model. Zebrafish embryos of various developmental stages were exposed to endosulfan through E3 medium, raised under two selected temperature conditions (28.5 °C and an elevated temperature of 35 °C), and monitored under the microscope. Zebrafish embryos of very early developmental stages (cellular cleavage stages, such as the 64-cell stage) were highly sensitive to the elevated temperature as 37.5% died and 47.5% developed into amorphous type, while only 15.0% of embryos developed as normal embryos without malformation. Zebrafish embryos that were exposed concurrently to endosulfan and an elevated temperature showed stronger developmental defects (arrested epiboly progress, shortened body length, curved trunk) compared to the embryos exposed to either endosulfan or an elevated temperature. The brain structure of the embryos that concurrently were exposed to the elevated temperature and endosulfan was either incompletely developed or malformed. Furthermore, the stress-implicated genes hsp70, p16, and smp30 regulations were synergistically affected by endosulfan treatment under the elevated thermal condition. Overall, the elevated ambient temperature synergistically enhanced the developmental toxicity of endosulfan in zebrafish embryos.
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Affiliation(s)
- Tanjeena Zaman
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
- Rajshahi Institute of Bioscience, Maskatadighi, Motihar, Rajshahi, 6212, Bangladesh
| | | | - Masud Rana
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | | | - Al Mamun
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Anwarul Haque
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Ashananda Sarker
- Department of Pharmacy, Jagannath University, Chittaranjan Avenue, Dhaka, 1100, Bangladesh
| | - Md Shariful Islam
- Department of Veterinary and Animal Science, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Minhaz-U L Haque
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia, 7003, Bangladesh
| | - Tarannum Naz
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh
| | - Md Imran Nur Manik
- Department of Pharmacy, Northern University Bangladesh, Dhaka, Bangladesh
| | - Hazrat Ali
- Department of Pharmacy, International Islamic University Chittagong, Chittagong, 4318, Bangladesh
| | - Kyo Yamasu
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Saitama, 338-8570, Japan
| | - Alam Khan
- Department of Pharmacy, University of Rajshahi, Rajshahi, 6205, Bangladesh.
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Yang L, Zhou Y, Wang S, Xu Y, Ostendorp S, Tomkins M, Kehr J, Morris RJ, Kragler F. Noncell-autonomous HSC70.1 chaperone displays homeostatic feedback regulation by binding its own mRNA. THE NEW PHYTOLOGIST 2023; 237:2404-2421. [PMID: 36564968 DOI: 10.1111/nph.18703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
The HSC70/HSP70 family of heat shock proteins are evolutionarily conserved chaperones involved in protein folding, protein transport, and RNA binding. Arabidopsis HSC70 chaperones are thought to act as housekeeping chaperones and as such are involved in many growth-related pathways. Whether Arabidopsis HSC70 binds RNA and whether this interaction is functional has remained an open question. We provide evidence that the HSC70.1 chaperone binds its own mRNA via its C-terminal short variable region (SVR) and inhibits its own translation. The SVR encoding mRNA region is necessary for HSC70.1 transcript mobility to distant tissues and that HSC70.1 transcript and not protein mobility is required to rescue root growth and flowering time of hsc70 mutants. We propose that this negative protein-transcript feedback loop may establish an on-demand chaperone pool that allows for a rapid response to stress. In summary, our data suggest that the Arabidopsis HSC70.1 chaperone can form a complex with its own transcript to regulate its translation and that both protein and transcript can act in a noncell-autonomous manner, potentially maintaining chaperone homeostasis between tissues.
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Affiliation(s)
- Lei Yang
- Max-Planck-Institute of Molecular Plant Physiology, Wissenschaftspark Golm, Am Mühlenberg 1, 14476, Golm, Germany
| | - Yuan Zhou
- Max-Planck-Institute of Molecular Plant Physiology, Wissenschaftspark Golm, Am Mühlenberg 1, 14476, Golm, Germany
| | - Shuangfeng Wang
- Max-Planck-Institute of Molecular Plant Physiology, Wissenschaftspark Golm, Am Mühlenberg 1, 14476, Golm, Germany
| | - Ying Xu
- Max-Planck-Institute of Molecular Plant Physiology, Wissenschaftspark Golm, Am Mühlenberg 1, 14476, Golm, Germany
| | - Steffen Ostendorp
- Institute for Plant Science and Microbiology, Universität Hamburg, Ohnhorststr. 18, 22609, Hamburg, Germany
| | - Melissa Tomkins
- Computational and Systems Biology, John Innes Centre, Norwich, NR4 7UH, UK
| | - Julia Kehr
- Institute for Plant Science and Microbiology, Universität Hamburg, Ohnhorststr. 18, 22609, Hamburg, Germany
| | - Richard J Morris
- Computational and Systems Biology, John Innes Centre, Norwich, NR4 7UH, UK
| | - Friedrich Kragler
- Max-Planck-Institute of Molecular Plant Physiology, Wissenschaftspark Golm, Am Mühlenberg 1, 14476, Golm, Germany
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7
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Functional and Molecular Markers for Hearing Loss and Vertigo Attacks in Meniere's Disease. Int J Mol Sci 2023; 24:ijms24032504. [PMID: 36768827 PMCID: PMC9916751 DOI: 10.3390/ijms24032504] [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: 12/31/2022] [Revised: 01/20/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
Meniere's disease (MD) is one of the most complicated diseases in the otologic clinic. The complexity of MD is partially due to the multifactorial etiological mechanisms and the heterogenous symptoms, including episodic vertigo, hearing loss, aural fullness and tinnitus. As a result, the diagnosis of MD and differentiating MD from other diseases with similar symptoms, such as vestibular migraine (VM), is challenging. In addition, it is difficult to predict the progression of hearing loss and the frequency of vertigo attacks. Detailed studies have revealed that functional markers, such as pure tone audiometry (PTA), electrocochleography (ECochG), vestibular evoked myogenic potential (VEMP), caloric test, video head impulse test (vHIT) and magnetic resonance imaging (MRI) could help to evaluate MD with different hearing levels and frequency of vertigo attacks. Investigations of molecular markers such as autoimmunity, inflammation, protein signatures, vasopressin and circadian clock genes in MD are still underway. This review will summarize these functional and molecular markers, address how these markers are associated with hearing loss and vertigo attacks in MD, and analyze the results of the markers between MD and VM.
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8
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Salvermoser L, Flisikowski K, Dressel-Böhm S, Nytko KJ, Rohrer Bley C, Schnieke A, Samt AK, Thölke D, Lennartz P, Schwab M, Wang F, Bashiri Dezfouli A, Multhoff G. Elevated circulating Hsp70 levels are correlative for malignancies in different mammalian species. Cell Stress Chaperones 2023; 28:105-118. [PMID: 36399258 PMCID: PMC9877270 DOI: 10.1007/s12192-022-01311-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/28/2022] [Accepted: 11/07/2022] [Indexed: 11/19/2022] Open
Abstract
Circulating Hsp70 levels were determined in feline and porcine cohorts using two different ELISA systems. These comparative animal models of larger organisms often reflect diseases, and especially malignant tumors, better than conventional rodent models. It is therefore essential to investigate the biology and utility of tumor biomarkers in animals such as cats and pigs. In this study, levels of free Hsp70 in the blood of cats with spontaneously occurring tumors were detected using a commercial Hsp70 ELISA (R&D Systems). Sub-analysis of different tumor groups revealed that animals with tumors of epithelial origin presented with significantly elevated circulating Hsp70 concentrations. In addition to free Hsp70 levels measured with the R&D Systems Hsp70 ELISA, levels of exosomal Hsp70 were determined using the compHsp70 ELISA in pigs. Both ELISA systems detected significantly elevated Hsp70 levels (R&D Systems: median 24.9 ng/mL; compHsp70: median 44.2 ng/mL) in the blood of a cohort of APC1311/+ pigs diagnosed with high-grade adenoma polyps, and the R&D Systems Hsp70 ELISA detected also elevated Hsp70 levels in animals with low-grade polyps. In contrast, in flTP53R167H pigs, suffering from malignant osteosarcoma, the compHsp70 ELISA (median 674.32 ng/mL), but not the R&D Systems Hsp70 ELISA (median 4.78 ng/mL), determined significantly elevated Hsp70 concentrations, indicating that in tumor-bearing animals, the dominant form of Hsp70 is of exosomal origin. Our data suggest that both ELISA systems are suitable for detecting free circulating Hsp70 levels in pigs with high-grade adenoma, but only the compHsp70 ELISA can measure elevated, tumor-derived exosomal Hsp70 levels in tumor-bearing animals.
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Affiliation(s)
- Lukas Salvermoser
- Radiation Immuno-Oncology Group, Center for Translational Cancer Research Technische, Universität München (TranslaTUM), Technische Universität München (TUM), Klinikum Rechts Der IsarEinsteinstr 25, 81675, Munich, Germany.
- Department of Radiation Oncology, Klinikum Rechts Der Isar, Technische Universität München (TUM), Ismaningerstr 22, 81675, Munich, Germany.
- Department of Radiology, University Hospital, LMU Munich, Marchioninistr 15, 81377, Munich, Germany.
| | - Krzysztof Flisikowski
- Livestock Biotechnology, School of Live Sciences, Technische Universität München (TUM), Liesel-Beckmannstr 1, 85354, Freising, Germany
| | - Susann Dressel-Böhm
- Vetsuisse Faculty, Division of Radiation Oncology, University of Zurich, Winterthurerstr 258C, CH-8057, Zurich, Switzerland
| | - Katarzyna J Nytko
- Vetsuisse Faculty, Division of Radiation Oncology, University of Zurich, Winterthurerstr 258C, CH-8057, Zurich, Switzerland
| | - Carla Rohrer Bley
- Vetsuisse Faculty, Division of Radiation Oncology, University of Zurich, Winterthurerstr 258C, CH-8057, Zurich, Switzerland
| | - Angelika Schnieke
- Livestock Biotechnology, School of Live Sciences, Technische Universität München (TUM), Liesel-Beckmannstr 1, 85354, Freising, Germany
| | - Ann-Kathrin Samt
- Radiation Immuno-Oncology Group, Center for Translational Cancer Research Technische, Universität München (TranslaTUM), Technische Universität München (TUM), Klinikum Rechts Der IsarEinsteinstr 25, 81675, Munich, Germany
- Department of Radiation Oncology, Klinikum Rechts Der Isar, Technische Universität München (TUM), Ismaningerstr 22, 81675, Munich, Germany
| | - Dennis Thölke
- Radiation Immuno-Oncology Group, Center for Translational Cancer Research Technische, Universität München (TranslaTUM), Technische Universität München (TUM), Klinikum Rechts Der IsarEinsteinstr 25, 81675, Munich, Germany
- Department of Radiation Oncology, Klinikum Rechts Der Isar, Technische Universität München (TUM), Ismaningerstr 22, 81675, Munich, Germany
| | - Philipp Lennartz
- Radiation Immuno-Oncology Group, Center for Translational Cancer Research Technische, Universität München (TranslaTUM), Technische Universität München (TUM), Klinikum Rechts Der IsarEinsteinstr 25, 81675, Munich, Germany
- Department of Radiation Oncology, Klinikum Rechts Der Isar, Technische Universität München (TUM), Ismaningerstr 22, 81675, Munich, Germany
| | - Melissa Schwab
- Radiation Immuno-Oncology Group, Center for Translational Cancer Research Technische, Universität München (TranslaTUM), Technische Universität München (TUM), Klinikum Rechts Der IsarEinsteinstr 25, 81675, Munich, Germany
- Department of Radiation Oncology, Klinikum Rechts Der Isar, Technische Universität München (TUM), Ismaningerstr 22, 81675, Munich, Germany
| | - Fei Wang
- Radiation Immuno-Oncology Group, Center for Translational Cancer Research Technische, Universität München (TranslaTUM), Technische Universität München (TUM), Klinikum Rechts Der IsarEinsteinstr 25, 81675, Munich, Germany
- Department of Radiation Oncology, Klinikum Rechts Der Isar, Technische Universität München (TUM), Ismaningerstr 22, 81675, Munich, Germany
| | - Ali Bashiri Dezfouli
- Radiation Immuno-Oncology Group, Center for Translational Cancer Research Technische, Universität München (TranslaTUM), Technische Universität München (TUM), Klinikum Rechts Der IsarEinsteinstr 25, 81675, Munich, Germany
- Department of Radiation Oncology, Klinikum Rechts Der Isar, Technische Universität München (TUM), Ismaningerstr 22, 81675, Munich, Germany
| | - Gabriele Multhoff
- Radiation Immuno-Oncology Group, Center for Translational Cancer Research Technische, Universität München (TranslaTUM), Technische Universität München (TUM), Klinikum Rechts Der IsarEinsteinstr 25, 81675, Munich, Germany
- Department of Radiation Oncology, Klinikum Rechts Der Isar, Technische Universität München (TUM), Ismaningerstr 22, 81675, Munich, Germany
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Sagarika P, Yadav K, Sahi C. Volleying plasma membrane proteins from birth to death: Role of J-domain proteins. Front Mol Biosci 2022; 9:1072242. [PMID: 36589230 PMCID: PMC9798423 DOI: 10.3389/fmolb.2022.1072242] [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: 10/17/2022] [Accepted: 12/02/2022] [Indexed: 12/23/2022] Open
Abstract
The function, stability, and turnover of plasma membrane (PM) proteins are crucial for cellular homeostasis. Compared to soluble proteins, quality control of plasma membrane proteins is extremely challenging. Failure to meet the high quality control standards is detrimental to cellular and organismal health. J-domain proteins (JDPs) are among the most diverse group of chaperones that collaborate with other chaperones and protein degradation machinery to oversee cellular protein quality control (PQC). Although fragmented, the available literature from different models, including yeast, mammals, and plants, suggests that JDPs assist PM proteins with their synthesis, folding, and trafficking to their destination as well as their degradation, either through endocytic or proteasomal degradation pathways. Moreover, some JDPs interact directly with the membrane to regulate the stability and/or functionality of proteins at the PM. The deconvoluted picture emerging is that PM proteins are relayed from one JDP to another throughout their life cycle, further underscoring the versatility of the Hsp70:JDP machinery in the cell.
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10
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Li Z, Kang X, Kim KH, Zhao Y, Li Y, Kang SM, Chen X. Effective adjuvantation of nanograms of influenza vaccine and induction of cross-protective immunity by physical radiofrequency adjuvant. Sci Rep 2022; 12:21249. [PMID: 36481697 PMCID: PMC9732352 DOI: 10.1038/s41598-022-25605-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022] Open
Abstract
Novel adjuvants are highly demanded to aid in development of improved or new vaccines against existing or emerging infectious diseases. Considering commonly used Alum and MF59 adjuvants induce tissue stress and release of endogenous danger signals to mediate their adjuvant effects, physical modalities may be used to induce tissue stress and endogenous danger signal release to enhance vaccine-induced immune responses. Furthermore, physical adjuvants are less likely to induce significant systemic adverse reactions due to their localized effects. Recently we found non-invasive radiofrequency (RF) pretreatment of the skin could significantly enhance intradermal vaccine-induced immune responses in murine models that included pandemic influenza vaccine, pre-pandemic vaccine, and influenza internal antigen vaccine. It remained to be explored whether the physical RF adjuvant (RFA) could be used to boost seasonal influenza vaccination, spare vaccine doses, and induce cross-protective immunity. This study found the physical RFA could significantly enhance seasonal influenza vaccine-induced immune responses against each viral strain and robustly enhance low-dose (nanograms) H3N2 vaccine-induced immune responses and protection in murine models. RFA also induced cross-protective immunity against heterologous and heterosubtypic influenza viruses. Further studies found heat shock protein 70 (inducible endogenous danger signal) and myeloid differentiation primary response 88 adaptor played a crucial role in dose-sparing effects of RFA. These data strongly support further development of the physical RFA to boost influenza vaccination.
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Affiliation(s)
- Zhuofan Li
- Biomedical & Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Avedisian Hall, Room 480, Kingston, RI, 02881, USA
| | - Xinliang Kang
- Biomedical & Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Avedisian Hall, Room 480, Kingston, RI, 02881, USA
| | - Ki-Hye Kim
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, 30302, USA
| | - Yiwen Zhao
- Biomedical & Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Avedisian Hall, Room 480, Kingston, RI, 02881, USA
| | - Yibo Li
- Biomedical & Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Avedisian Hall, Room 480, Kingston, RI, 02881, USA
| | - Sang-Moo Kang
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, 30302, USA
| | - Xinyuan Chen
- Biomedical & Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, 7 Greenhouse Road, Avedisian Hall, Room 480, Kingston, RI, 02881, USA.
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11
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Tukaj S, Sitko K. Heat Shock Protein 90 (Hsp90) and Hsp70 as Potential Therapeutic Targets in Autoimmune Skin Diseases. Biomolecules 2022; 12:biom12081153. [PMID: 36009046 PMCID: PMC9405624 DOI: 10.3390/biom12081153] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/13/2022] [Accepted: 08/18/2022] [Indexed: 12/22/2022] Open
Abstract
Over a hundred different autoimmune diseases have been described to date, which can affect every organ in the body, including the largest one, the skin. In fact, up to one-fifth of the world's population suffers from chronic, noninfectious inflammatory skin diseases, the development of which is significantly influenced by an autoimmune response. One of the hallmarks of autoimmune diseases is the loss of immune tolerance, which leads to the formation of autoreactive lymphocytes or autoantibodies and, consequently, to chronic inflammation and tissue damage. The treatment of autoimmune skin diseases mainly focuses on immunosuppression (using, e.g., corticosteroids) but almost never leads to the development of permanent mechanisms of immune tolerance. In addition, current therapies and their long-term administration may cause serious adverse effects. Hence, safer and more effective therapies that bring sustained balance between pro- and anti-inflammatory responses are still desired. Both intra- and extracellular heat shock proteins (Hsps), specifically well-characterized inducible Hsp90 and Hsp70 chaperones, have been highlighted as therapeutic targets for autoimmune diseases. This review presents preclinical data on the involvement of Hsp90 and Hsp70 in modulating the immune response, specifically in the context of the treatment of selected autoimmune skin diseases with emphasis on autoimmune bullous skin diseases and psoriasis.
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12
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Smulders L, Altman R, Briseno C, Saatchi A, Wallace L, AlSebaye M, Stahelin RV, Nikolaidis N. Phosphatidylinositol Monophosphates Regulate the Membrane Localization of HSPA1A, a Stress-Inducible 70-kDa Heat Shock Protein. Biomolecules 2022; 12:biom12060856. [PMID: 35740982 PMCID: PMC9221345 DOI: 10.3390/biom12060856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/16/2022] [Accepted: 06/18/2022] [Indexed: 02/02/2023] Open
Abstract
HSPA1A is a molecular chaperone that regulates the survival of stressed and cancer cells. In addition to its cytosolic pro-survival functions, HSPA1A also localizes and embeds in the plasma membrane (PM) of stressed and tumor cells. Membrane-associated HSPA1A exerts immunomodulatory functions and renders tumors resistant to standard therapies. Therefore, understanding and manipulating HSPA1A's surface presentation is a promising therapeutic. However, HSPA1A's pathway to the cell surface remains enigmatic because this protein lacks known membrane localization signals. Considering that HSPA1A binds to lipids, like phosphatidylserine (PS) and monophosphorylated phosphoinositides (PIPs), we hypothesized that this interaction regulates HSPA1A's PM localization and anchorage. To test this hypothesis, we subjected human cell lines to heat shock, depleted specific lipid targets, and quantified HSPA1A's PM localization using confocal microscopy and cell surface biotinylation. These experiments revealed that co-transfection of HSPA1A with lipid-biosensors masking PI(4)P and PI(3)P significantly reduced HSPA1A's heat-induced surface presentation. Next, we manipulated the cellular lipid content using ionomycin, phenyl arsine oxide (PAO), GSK-A1, and wortmannin. These experiments revealed that HSPA1A's PM localization was unaffected by ionomycin but was significantly reduced by PAO, GSK-A1, and wortmannin, corroborating the findings obtained by the co-transfection experiments. We verified these results by selectively depleting PI(4)P and PI(4,5)P2 using a rapamycin-induced phosphatase system. Our findings strongly support the notion that HSPA1A's surface presentation is a multifaceted lipid-driven phenomenon controlled by the binding of the chaperone to specific endosomal and PM lipids.
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Affiliation(s)
- Larissa Smulders
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834, USA; (L.S.); (R.A.); (C.B.); (A.S.); (L.W.); (M.A.)
| | - Rachel Altman
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834, USA; (L.S.); (R.A.); (C.B.); (A.S.); (L.W.); (M.A.)
| | - Carolina Briseno
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834, USA; (L.S.); (R.A.); (C.B.); (A.S.); (L.W.); (M.A.)
| | - Alireza Saatchi
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834, USA; (L.S.); (R.A.); (C.B.); (A.S.); (L.W.); (M.A.)
| | - Leslie Wallace
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834, USA; (L.S.); (R.A.); (C.B.); (A.S.); (L.W.); (M.A.)
| | - Maha AlSebaye
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834, USA; (L.S.); (R.A.); (C.B.); (A.S.); (L.W.); (M.A.)
| | - Robert V. Stahelin
- Department of Medicinal Chemistry and Molecular Pharmacology and the Purdue University Cancer Center, Purdue University, West Lafayette, IN 47907, USA;
| | - Nikolas Nikolaidis
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834, USA; (L.S.); (R.A.); (C.B.); (A.S.); (L.W.); (M.A.)
- Correspondence: ; Tel.: +1-657-278-4526
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13
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Mo YQ, Nakamura H, Tanaka T, Odani T, Perez P, Ji Y, French BN, Pranzatelli TJ, Michael DG, Yin H, Chow SS, Khalaj M, Afione SA, Zheng C, Oliveira FR, Motta ACF, Ribeiro-Silva A, Rocha EM, Nguyen CQ, Noguchi M, Atsumi T, Warner BM, Chiorini JA. Lysosomal exocytosis of HSP70 stimulates monocytic BMP6 expression in Sjögren's syndrome. J Clin Invest 2022; 132:e152780. [PMID: 35113815 PMCID: PMC8920330 DOI: 10.1172/jci152780] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 01/28/2022] [Indexed: 12/04/2022] Open
Abstract
BMP6 is a central cytokine in the induction of Sjögren's syndrome-associated (SS-associated) secretory hypofunction. However, the upstream initiation leading to the production of this cytokine in SS is unknown. In this study, RNA ISH on salivary gland sections taken from patients with SS indicated monocytic lineage cells as a cellular source of BMP6. RNA-Seq data on human salivary glands suggested that TLR4 signaling was an upstream regulator of BMP6, which was confirmed by in vitro cell assays and single-cell transcriptomics of human PBMCs. Further investigation showed that HSP70 was an endogenous natural TLR4 ligand that stimulated BMP6 expression in SS. Release of HSP70 from epithelial cells could be triggered by overexpression of lysosome-associated membrane protein 3 (LAMP3), a protein also associated with SS in several transcriptome studies. In vitro studies supported the idea that HSP70 was released as a result of lysosomal exocytosis initiated by LAMP3 expression, and reverse transcription PCR on RNA from minor salivary glands of patients with SS confirmed a positive correlation between BMP6 and LAMP3 expression. BMP6 expression could be experimentally induced in mice by overexpression of LAMP3, which developed an SS-like phenotype. The newly identified LAMP3/HSP70/BMP6 axis provided an etiological model for SS gland dysfunction and autoimmunity.
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Affiliation(s)
| | | | | | | | - Paola Perez
- AAV Biology Section and
- Salivary Disorder Unit, National Institute of Dental and Craniofacial Research, NIH, Bethesda, Maryland, USA
| | | | | | | | | | | | | | | | | | | | | | - Ana Carolina F. Motta
- Department of Stomatology, Public Health and Forensic Dentistry, School of Dentistry of Ribeirão Preto
| | | | - Eduardo M. Rocha
- Department of Ophthalmology, Otorhinolaryngology, Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Cuong Q. Nguyen
- Department of Pathology and Infectious Diseases, University of Florida, Gainesville, Florida, USA
| | | | - Tatsuya Atsumi
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Blake M. Warner
- AAV Biology Section and
- Salivary Disorder Unit, National Institute of Dental and Craniofacial Research, NIH, Bethesda, Maryland, USA
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14
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Velazquez EJ, Cress JD, Humpherys TB, Mortimer TO, Bellini DM, Skidmore JR, Smith KR, Robison RA, Weber SK, O’Neill KL. Selection of human single domain antibodies (sdAb) against thymidine kinase 1 and their incorporation into sdAb-Fc antibody constructs for potential use in cancer therapy. PLoS One 2022; 17:e0264822. [PMID: 35239730 PMCID: PMC8893706 DOI: 10.1371/journal.pone.0264822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 02/17/2022] [Indexed: 11/18/2022] Open
Abstract
Thymidine Kinase 1 (TK1) is primarily known as a cancer biomarker with good prognostic capabilities for both hematological and solid malignancies. However, recent studies targeting TK1 at protein and mRNA levels have shown that TK1 may be useful as a therapeutic target. In order to examine the use of TK1 as a therapeutic target, it is necessary to develop therapeutics specific for it. Single domain antibodies (sdAbs), represent an exciting approach for the development of immunotherapeutics due to their cost-effective production and higher tumor penetration than conventional antibodies. In this study, we isolated sdAb fragments specific to human TK1 from a human sdAb library. A total of 400 sdAbs were screened through 5 rounds of selection by monoclonal phage ELISA. The most sensitive sdAb fragments were selected as candidates for preclinical testing. The sdAb fragments showed specificity for human TK1 in phage ELISA, Western blot analysis and had an estimated limit of detection of 3.9 ng/ml for the antibody fragments 4-H-TK1_A1 and 4-H-TK1_D1. The antibody fragments were successfully expressed and used for detection of membrane associated TK1 (mTK1) through flow cytometry on cancer cells [lung (~95%), colon (~87%), breast (~53%)] and healthy human mononuclear cells (MNC). The most sensitive antibody fragments, 4-H-TK1_A1 and 4-H-TK1_D1 were fused to an engineered IgG1 Fc fragment. When added to cancer cells expressing mTK1 co-cultured with human MNCs, the anti-TK1-sdAb-IgG1_A1 and D1 were able to elicit a significant antibody-dependent cell-mediated cytotoxicity (ADCC) response against lung cancer cells compared to isotype controls (P<0.0267 and P<0.0265, respectively). To our knowledge this is the first time that the isolation and evaluation of human anti-TK1 single domain antibodies using phage display technology has been reported. The antibody fragments isolated here may represent a valuable resource for the detection and the targeting of TK1 on tumor cells.
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Affiliation(s)
- Edwin J. Velazquez
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Jordan D. Cress
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Tyler B. Humpherys
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Toni O. Mortimer
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - David M. Bellini
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Jonathan R. Skidmore
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Kathryn R. Smith
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Richard A. Robison
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Scott K. Weber
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
| | - Kim L. O’Neill
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT, United States of America
- * E-mail:
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15
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Calvaresi V, Truelsen LT, Larsen SB, Petersen NHT, Kirkegaard T, Rand KD. Conformational dynamics of free and membrane-bound human Hsp70 in model cytosolic and endo-lysosomal environments. Commun Biol 2021; 4:1369. [PMID: 34876699 PMCID: PMC8651726 DOI: 10.1038/s42003-021-02892-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 11/10/2021] [Indexed: 11/21/2022] Open
Abstract
The binding of the major stress-inducible human 70-kDa heat shock protein (Hsp70) to the anionic phospholipid bis-(monoacylglycero)-phosphate (BMP) in the lysosomal membrane is crucial for its impact on cellular pathology in lysosomal storage disorders. However, the conformational features of this protein-lipid complex remain unclear. Here, we apply hydrogen-deuterium exchange mass spectrometry (HDX-MS) to describe the dynamics of the full-length Hsp70 in the cytosol and its conformational changes upon translocation into lysosomes. Using wild-type and W90F mutant proteins, we also map and discriminate the interaction of Hsp70 with BMP and other lipid components of the lysosomal membrane. We identify the N-terminal of the nucleotide binding domain (residues 87-118) as the primary orchestrator of BMP interaction. We show that the conformation of this domain is significantly reorganized in the W90F mutant, explaining its inability to stabilize lysosomal membranes. Overall, our results reveal important new molecular details of the protective effect of Hsp70 in lysosomal storage diseases, which, in turn, could guide future drug development.
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Affiliation(s)
- Valeria Calvaresi
- grid.5254.60000 0001 0674 042XProtein Analysis Group, Department of Pharmacy, University of Copenhagen, 2100 Copenhagen O, Denmark
| | - Line T. Truelsen
- grid.5254.60000 0001 0674 042XProtein Analysis Group, Department of Pharmacy, University of Copenhagen, 2100 Copenhagen O, Denmark
| | - Sidsel B. Larsen
- grid.5254.60000 0001 0674 042XProtein Analysis Group, Department of Pharmacy, University of Copenhagen, 2100 Copenhagen O, Denmark
| | | | | | - Kasper D. Rand
- grid.5254.60000 0001 0674 042XProtein Analysis Group, Department of Pharmacy, University of Copenhagen, 2100 Copenhagen O, Denmark
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16
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Poggio P, Sorge M, Seclì L, Brancaccio M. Extracellular HSP90 Machineries Build Tumor Microenvironment and Boost Cancer Progression. Front Cell Dev Biol 2021; 9:735529. [PMID: 34722515 PMCID: PMC8551675 DOI: 10.3389/fcell.2021.735529] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 09/20/2021] [Indexed: 12/21/2022] Open
Abstract
HSP90 is released by cancer cells in the tumor microenvironment where it associates with different co-chaperones generating complexes with specific functions, ranging from folding and activation of extracellular clients to the stimulation of cell surface receptors. Emerging data indicate that these functions are essential for tumor growth and progression. The understanding of the exact composition of extracellular HSP90 complexes and the molecular mechanisms at the basis of their functions in the tumor microenvironment may represent the first step to design innovative diagnostic tools and new effective therapies. Here we review the impact of extracellular HSP90 complexes on cancer cell signaling and behavior.
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Affiliation(s)
- Pietro Poggio
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Matteo Sorge
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Laura Seclì
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Mara Brancaccio
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
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17
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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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18
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Ju-Ngam T, McMillan N, Yoshimizu M, Kasai H, Wongpanya R, Srisapoome P. Functional and Stress Response Analysis of Heat Shock Proteins 40 and 90 of Giant River Prawn ( Macrobrachium rosenbergii) under Temperature and Pathogenic Bacterial Exposure Stimuli. Biomolecules 2021; 11:biom11071034. [PMID: 34356657 PMCID: PMC8301959 DOI: 10.3390/biom11071034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/01/2021] [Accepted: 07/13/2021] [Indexed: 12/12/2022] Open
Abstract
The aims of this research were to perform molecular characterization and biofunctional analyses of giant river prawn Hsp40 and Hsp90 genes (Mr-hsp40 and Mr-hsp90) under various stress conditions. Comparisons of the nucleotide and amino acid sequences of Mr-hsp40 and Mr-hsp90 with those of other species showed the highest similarity scores with crustaceans. Under normal conditions, expression analysis using quantitative real-time RT-PCR (qRT-PCR) indicated that Mr-hsp40 was highly expressed in the gills and testis, and Mr-hsp90 expression was observed in all tissues, with the highest expression in the ovary. The expression patterns of Mr-hsp40 and Mr-hsp90 transcripts under Aeromonas hydrophila challenge and heat-cold shock conditions were examined in gills, the hepatopancreas and hemocytes, at 0, 3, 6, 12, 24, 48 and 96 h by qRT-PCR. Under bacterial challenge, Mr-hsp40 displayed variable expression patterns in all tissues examined during the tested periods. In contrast, upregulated expression of Mr-hsp90 was quickly observed from 3 to 12 h in the gills and hepatopancreas, whereas obviously significant upregulation of Mr-hsp90 was observed in hemocytes at 12-96 h. Under temperature shock conditions, upregulation of Mr-hsp40 expression was detected in all tested tissues, while Mr-hsp90 expression was quickly upregulated at 3-48 h in all tissues in response to 35 °C conditions, and conditions of 35 and 25 °C stimulated its expression in gills and the hepatopancreas at 12 and 48 h, respectively. Silencing analyses of these two genes were successfully conducted under normal, high-temperature (35 °C) and A. hydrophila infection conditions. Overall, knockdown of Mr-hsp40 and Mr-hsp90 effectively induced more rapid and higher mortality than in the PBS control and GFP induction groups in temperature and infectious treatments. Evidence from this study clearly demonstrated the significant functional roles of Mr-hsp40 and Mr-hsp90, which are crucially involved in cellular stress responses to both temperature and pathogenic bacterial stimuli.
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Affiliation(s)
- Tanya Ju-Ngam
- Laboratory of Aquatic Animal Health Management, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, Chatuchak, Bangkok 10900, Thailand;
- Center of Advanced Studies for Agriculture and Food, Kasetsart University Institute for Advanced Studies, Kasetsart University, Bangkok 10900, Thailand
- Center of Excellence in Aquatic Animal Health Management, Faculty of Fisheries, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
| | - Nichanun McMillan
- Laboratory of Aquaculture Genetics, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, Chatuchak, Bangkok 10900, Thailand;
| | - Mamoru Yoshimizu
- Laboratory of Marine Biotechnology and Microbiology, Faculty of Fisheries Sciences, Hokkaido University, Hakodate 041-8611, Japan; (M.Y.); (H.K.)
| | - Hisae Kasai
- Laboratory of Marine Biotechnology and Microbiology, Faculty of Fisheries Sciences, Hokkaido University, Hakodate 041-8611, Japan; (M.Y.); (H.K.)
| | - Ratree Wongpanya
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand;
| | - Prapansak Srisapoome
- Laboratory of Aquatic Animal Health Management, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, Chatuchak, Bangkok 10900, Thailand;
- Center of Advanced Studies for Agriculture and Food, Kasetsart University Institute for Advanced Studies, Kasetsart University, Bangkok 10900, Thailand
- Center of Excellence in Aquatic Animal Health Management, Faculty of Fisheries, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
- Correspondence: ; Tel.: +66-2579-2924; Fax: +66-2561-3984
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19
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Mantej J, Bednarek M, Sitko K, Świętoń M, Tukaj S. Autoantibodies to heat shock protein 60, 70, and 90 are not altered in the anti-SARS-CoV-2 IgG-seropositive humans without or with mild symptoms. Cell Stress Chaperones 2021; 26:735-740. [PMID: 34080135 PMCID: PMC8172177 DOI: 10.1007/s12192-021-01215-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/10/2021] [Accepted: 05/17/2021] [Indexed: 12/31/2022] Open
Abstract
Highly conserved heat shock proteins (Hsps) are localized in the cytoplasm and cellular organelles, and act as molecular chaperones or proteases. Members of Hsp families are released into the extracellular milieu under both normal and stress conditions. It is hypothesized that the severe acute respiratory syndrome corona virus 2 (SARS-CoV-2) has the potential to elicit autoimmunity due to molecular mimicry between human extracellular Hsps and immunogenic proteins of the virus. To confirm the above hypothesis, levels of circulating autoantibodies directed to the key human chaperones i.e., Hsp60, Hsp70, and Hsp90 in the anti-SARS-CoV-2 IgG-seropositive participants have been evaluated. Twenty-six healthy volunteers who got two doses of the mRNA vaccine encoding the viral spike protein, anti-SARS-CoV-2 IgG-positive participants (n = 15), and healthy naïve (anti-SARS-CoV-2 IgG-negative) volunteers (n = 51) have been included in this study. We found that the serum levels of anti-Hsp60, anti-Hsp70, and anti-Hsp90 autoantibodies of the IgG, IgM, or IgA isotype remained unchanged in either the anti-COVID-19-immunized humans or the anti-SARS-CoV-2 IgG-positive participants when compared to healthy naïve volunteers, as measured by enzyme-linked immunosorbent assay. Our results showing that the humoral immune response to SARS-CoV-2 did not include the production of anti-SARS-CoV-2 antibodies that also recognized extracellular heat shock protein 60, 70, and 90 represent a partial evaluation of the autoimmunity hypothesis stated above. Further testing for cell-based immunity will be necessary to fully evaluate this hypothesis.
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Affiliation(s)
- Jagoda Mantej
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Marta Bednarek
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Krzysztof Sitko
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Marta Świętoń
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Stefan Tukaj
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland.
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20
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Parreira VDSC, Santos LGC, Rodrigues ML, Passetti F. ExVe: The knowledge base of orthologous proteins identified in fungal extracellular vesicles. Comput Struct Biotechnol J 2021; 19:2286-2296. [PMID: 33995920 PMCID: PMC8102145 DOI: 10.1016/j.csbj.2021.04.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 04/09/2021] [Accepted: 04/13/2021] [Indexed: 12/11/2022] Open
Abstract
Extracellular vesicles (EVs) are double-membrane particles associated with intercellular communication. Since the discovery of EV production in the fungus Cryptococcus neoformans, the importance of EV release in its physiology and pathogenicity has been investigated. To date, few studies have investigated the proteomic content of EVs from multiple fungal species. Our main objective was to use an orthology approach to compare proteins identified by EV shotgun proteomics in 8 pathogenic and 1 nonpathogenic species. Using protein information from the UniProt and FungiDB databases, we integrated data for 11,433 hits in fungal EVs with an orthology perspective, resulting in 3,834 different orthologous groups. OG6_100083 (Hsp70 Pfam domain) was the unique orthologous group that was identified for all fungal species. Proteins with this protein domain are associated with the stress response, survival and morphological changes in different fungal species. Although no pathogenic orthologous group was found, we identified 5 orthologous groups exclusive to S. cerevisiae. Using the criteria of at least 7 pathogenic fungi to define a cluster, we detected the 4 unique pathogenic orthologous groups. Taken together, our data suggest that Hsp70-related proteins might play a key role in fungal EVs, regardless of the pathogenic status. Using an orthology approach, we identified at least 4 protein domains that could be novel therapeutic targets against pathogenic fungi. Our results were compiled in the herein described ExVe database, which is publicly available at http://exve.icc.fiocruz.br.
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Affiliation(s)
| | | | - Marcio L Rodrigues
- Instituto Carlos Chagas, FIOCRUZ, Rua Prof. Algacyr Munhoz Mader, 3775, CEP 81350-010, Curitiba/PR, Brazil.,Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Brazil
| | - Fabio Passetti
- Instituto Carlos Chagas, FIOCRUZ, Rua Prof. Algacyr Munhoz Mader, 3775, CEP 81350-010, Curitiba/PR, Brazil
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21
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Li Z, Jella KK, Jaafar L, Moreno CS, Dynan WS. Characterization of exosome release and extracellular vesicle-associated miRNAs for human bronchial epithelial cells irradiated with high charge and energy ions. LIFE SCIENCES IN SPACE RESEARCH 2021; 28:11-17. [PMID: 33612174 DOI: 10.1016/j.lssr.2020.11.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 10/12/2020] [Accepted: 11/03/2020] [Indexed: 06/12/2023]
Abstract
Exosomes are extracellular vesicles that mediate transport of nucleic acids, proteins, and other molecules. Prior work has implicated exosomes in the transmission of radiation nontargeted effects. Here we investigate the ability of energetic heavy ions, representative of species found in galactic cosmic rays, to stimulate exosome release from human bronchial epithelial cells in vitro. Immortalized human bronchial epithelial cells (HBEC3-KT F25F) were irradiated with 1.0 Gy of high linear energy transfer (LET) 48Ti, 28Si, or 16O ions, or with 10 Gy of low-LET reference γ-rays, and extracellular vesicles were collected from conditioned media. Preparations were characterized by single particle tracking analysis, transmission electron microscopy, and immunoblotting for the exosomal marker, TSG101. Based on TSG101 levels, irradiation with high-LET ions, but not γ-rays, stimulated exosome release by about 4-fold, relative to mock-irradiated controls. The exosome-enriched vesicle preparations contained pro-inflammatory damage-associated molecular patterns, including HSP70 and calreticulin. Additionally, miRNA profiling was performed for vesicular RNAs using NanoString technology. The miRNA profile was skewed toward a small number of species that have previously been shown to be involved in cancer initiation and progression, including miR-1246, miR-1290, miR-23a, and miR-205. Additionally, a set of 24 miRNAs was defined as modestly over-represented in preparations from HZE ion-irradiated versus other cells. Gene set enrichment analysis based on the over-represented miRNAs showed highly significant association with nonsmall cell lung and other cancers.
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Affiliation(s)
- Zhentian Li
- Department of Radiation Oncology, Emory University School of Medicine, Emory University, Atlanta, GA, United States
| | - Kishore K Jella
- Department of Radiation Oncology, Emory University School of Medicine, Emory University, Atlanta, GA, United States
| | - Lahcen Jaafar
- Department of Radiation Oncology, Emory University School of Medicine, Emory University, Atlanta, GA, United States
| | - Carlos S Moreno
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Emory University, Atlanta, GA, United States; Department of Biomedical Informatics, Emory University School of Medicine, Emory University, Atlanta, GA, United States
| | - William S Dynan
- Department of Radiation Oncology, Emory University School of Medicine, Emory University, Atlanta, GA, United States; Department of Biochemistry, Emory University School of Medicine, Emory University, Atlanta, GA, United States.
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22
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Müller U. Exosome-mediated protection of auditory hair cells from ototoxic insults. J Clin Invest 2021; 130:2206-2208. [PMID: 32310224 DOI: 10.1172/jci135710] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Hearing loss caused by the death of sensory hair cells of the inner ear is an unfortunate side effect for many patients treated with aminoglycoside antibiotics or platinum-containing chemotherapy agents. In animal models, induction of heat shock confers substantial otoprotection against aminoglycoside- and cisplatin-induced hair cell death. In this issue of the JCI, Breglio et al. demonstrate that inner ear tissue released exosomes carrying heat shock protein 70 (HSP70) in response to heat stress. HSP70 acted by a paracrine mechanism that engaged the Toll-like receptor 4 (TLR4) on hair cells to protect them from death. Exosomes and the HSP70/TLR4 pathway could thus provide treatment targets for the protection of hair cells from chemically induced death or from other insults, such as noise.
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23
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Shevchenko M, Servuli E, Albakova Z, Kanevskiy L, Sapozhnikov A. The Role of Heat Shock Protein 70 kDa in Asthma. J Asthma Allergy 2021; 13:757-772. [PMID: 33447061 PMCID: PMC7801907 DOI: 10.2147/jaa.s288886] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 12/12/2020] [Indexed: 01/16/2023] Open
Abstract
Asthma is a complex chronic disorder of the airways, affecting immune and structural cells and inducing both protein and tissue remodeling. Heat shock proteins 70 kDa (HSP70s) are highly conserved members of the stress-induced family, possessing precisely described chaperone activity. There is growing evidence of a tight relationship between inflammatory diseases of different origins and the elevation of local HSP70 expression and secretion. Although extracellular HSP70 does not serve as a common marker of asthma, elevated HSP70 levels have been detected in the peripheral blood serum and sputum of patients with asthma, as well as in the bronchoalveolar lavage fluid of mice with induced allergic airway inflammation. Possessing diverse immunomodulating properties, extracellular HSP70 can manifest different activities in airway inflammatory processes and asthma, acting either as a pro-inflammatory trigger, or an anti-inflammatory agent. This review will discuss the effects and possible mechanisms concerning HSP70 implication in airway inflammation regulation in asthma. We examine ATPase and chaperone activities of HSP70 as potential modulators of immune responses in asthma. Given the crucial role of a chronic inflammatory response in asthma, understanding the effects of HSP70 on immune and structural cells may reveal new perspectives for the therapeutic control of inflammation.
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Affiliation(s)
- Marina Shevchenko
- Department of Immunology, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Ekaterina Servuli
- Department of Immunology, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Department of Experimental Physiology, Institute of Biomedical Problems, Russian Academy of Sciences, Moscow, Russia
| | - Zarema Albakova
- Department of Immunology, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Department of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Leonid Kanevskiy
- Department of Immunology, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Alexander Sapozhnikov
- Department of Immunology, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Department of Biology, Lomonosov Moscow State University, Moscow, Russia
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24
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Yang Z, Zhang Q, Yu H, Du H, Li L, He Y, Zhu S, Li C, Zhang S, Luo B, Gao Y. Genetic association study of a novel indel polymorphism in HSPA1B with the risk of sudden cardiac death in the Chinese populations. Forensic Sci Int 2020; 318:110637. [PMID: 33309992 DOI: 10.1016/j.forsciint.2020.110637] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/16/2020] [Accepted: 11/29/2020] [Indexed: 12/12/2022]
Abstract
Sudden cardiac death (SCD) has become a global problem due to its high mortality in the general population. Identification of genetic factors predisposed to SCD is significant since it enables genetic testing that would contribute to molecular diagnosis and risk stratification of SCD. It has been reported that HSPA1B gene mutations might be related with SCD. In this study, based on candidate-gene-based approach and systematic screening strategy, a 5-base pair insertion/deletion (Indel) polymorphism (rs3036297) in the 3'UTR of HSPA1B gene was selected to perform a case-control study aiming to investigate its association with SCD susceptibility in Chinese populations. Logistic regression analysis showed that the insertion allele of rs3036297 was correlated with a comparatively lower risk for SCD [OR=0.58, 95%CI=0.43-0.77, P=1.28×10-4] compared with the deletion allele. Luciferase activity assay indicated that HSPA1B expression could be regulated by rs3036297 through interfering binding with miR-134-5p. Furthermore, analysis of database from Haploreg and GTEx revealed that the rs3036297 variant was involved in potential cis-regulatory element with the promoter of HLA-DRB5 through a long-range interaction and the deletion allele of rs3036297 increased HLA-DRB5 expression. In conclusion, the rs3036297 variant may regulate HSPA1B expression via a mechanism of miRNA binding and HLA-DRB5 expression via a long-range promoter interaction through which contributed to SCD susceptibility. Therefore, rs3036297 would be a potential marker for molecular diagnosis and genetic counseling of SCD.
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Affiliation(s)
- Zhenzhen Yang
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, China; Institute of Forensic Sciences, Henan University of Economics and Law, Zhengzhou, China
| | - Qing Zhang
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, China
| | - Huan Yu
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, China
| | - Hailin Du
- Nanjing Red Cross Blood Center, Nanjing, China
| | - Lijuan Li
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, China
| | - Yan He
- Department of Epidemiology, Medical College of Soochow University, Suzhou, China
| | - Shaohua Zhu
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, China
| | - Chengtao Li
- Shanghai Key Laboratory of Forensic Medicine, Institute of Forensic Sciences, Ministry of Justice, Shanghai, China
| | - Suhua Zhang
- Shanghai Key Laboratory of Forensic Medicine, Institute of Forensic Sciences, Ministry of Justice, Shanghai, China
| | - Bin Luo
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
| | - Yuzhen Gao
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, China.
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25
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Dores-Silva PR, Cauvi DM, Coto ALS, Kiraly VTR, Borges JC, De Maio A. Interaction of HSPA5 (Grp78, BIP) with negatively charged phospholipid membranes via oligomerization involving the N-terminal end domain. Cell Stress Chaperones 2020; 25:979-991. [PMID: 32725381 PMCID: PMC7385938 DOI: 10.1007/s12192-020-01134-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/25/2020] [Accepted: 06/30/2020] [Indexed: 02/07/2023] Open
Abstract
Heat shock proteins (HSPs) are ubiquitous polypeptides expressed in all living organisms that participate in several basic cellular processes, including protein folding, from which their denomination as molecular chaperones originated. There are several HSPs, including HSPA5, also known as 78-kDa glucose-regulated protein (GRP78) or binding immunoglobulin protein (BIP) that is an ER resident involved in the folding of polypeptides during their translocation into this compartment prior to the transition to the Golgi network. HSPA5 is detected on the surface of cells or secreted into the extracellular environment. Surface HSPA5 has been proposed to have various roles, such as receptor-mediated signal transduction, a co-receptor for soluble ligands, as well as a participant in tumor survival, proliferation, and resistance. Recently, surface HSPA5 has been reported to be a potential receptor of some viruses, including the novel SARS-CoV-2. In spite of these observations, the association of HSPA5 within the plasma membrane is still unclear. To gain information about this process, we studied the interaction of HSPA5 with liposomes made of different phospholipids. We found that HSPA5 has a high affinity for negatively charged phospholipids, such as palmitoyl-oleoyl phosphoserine (POPS) and cardiolipin (CL). The N-terminal and C-terminal domains of HSPA5 were independently capable of interacting with negatively charged phospholipids, but to a lesser extent than the full-length protein, suggesting that both domains are required for the maximum insertion into membranes. Interestingly, we found that the interaction of HSPA5 with negatively charged liposomes promotes an oligomerization process via intermolecular disulfide bonds in which the N-terminus end of the protein plays a critical role.
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Affiliation(s)
- Paulo Roberto Dores-Silva
- Division of Trauma, Critical Care, Burns and Acute Care Surgery, Department of Surgery, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
- São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - David M Cauvi
- Division of Trauma, Critical Care, Burns and Acute Care Surgery, Department of Surgery, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Amanda L S Coto
- São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Vanessa T R Kiraly
- São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Júlio C Borges
- São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Antonio De Maio
- Division of Trauma, Critical Care, Burns and Acute Care Surgery, Department of 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.
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26
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Soares M, Santos ABD, Weich TM, Mânica GG, Homem de Bittencourt PI, Ludwig MS, Heck TG. Heat shock response in noise-induced hearing loss: effects of alanyl-glutamine dipeptide supplementation on heat shock proteins status. Braz J Otorhinolaryngol 2020; 86:703-710. [PMID: 31255578 PMCID: PMC9422582 DOI: 10.1016/j.bjorl.2019.04.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 03/30/2019] [Accepted: 04/17/2019] [Indexed: 02/07/2023] Open
Abstract
Introduction Objective Methods Results Conclusions
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Affiliation(s)
- Marcos Soares
- Universidade Regional do Noroeste do Estado do Rio Grande do Sul (Unijuí), Departamento de Ciências da Vida, Programa de Pós-Graduação em Atenção Integral à Saúde, Ijuí, RS, Brazil.
| | - Analu B Dos Santos
- Universidade Regional do Noroeste do Estado do Rio Grande do Sul (Unijuí), Departamento de Ciências da Vida, Programa de Pós-Graduação em Atenção Integral à Saúde, Ijuí, RS, Brazil
| | - Tainara M Weich
- Universidade Regional do Noroeste do Estado do Rio Grande do Sul (Unijuí), Departamento de Ciências da Vida, Programa de Pós-Graduação em Atenção Integral à Saúde, Ijuí, RS, Brazil
| | - Gabriela Gomes Mânica
- Universidade Regional do Noroeste do Estado do Rio Grande do Sul (Unijuí), Departamento de Ciências da Vida, Programa de Pós-Graduação em Atenção Integral à Saúde, Ijuí, RS, Brazil
| | - Paulo Ivo Homem de Bittencourt
- Universidade Federal do Rio Grande do Sul, Instituto de Ciências Básicas da Saúde, Departamento de Fisiologia, Porto Alegre, RS, Brazil
| | - Mirna Stela Ludwig
- Universidade Regional do Noroeste do Estado do Rio Grande do Sul (Unijuí), Departamento de Ciências da Vida, Programa de Pós-Graduação em Atenção Integral à Saúde, Ijuí, RS, Brazil
| | - Thiago Gomes Heck
- Universidade Regional do Noroeste do Estado do Rio Grande do Sul (Unijuí), Departamento de Ciências da Vida, Programa de Pós-Graduação em Atenção Integral à Saúde, Ijuí, RS, Brazil.
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27
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Kim JY, Barua S, Huang MY, Park J, Yenari MA, Lee JE. Heat Shock Protein 70 (HSP70) Induction: Chaperonotherapy for Neuroprotection after Brain Injury. Cells 2020; 9:cells9092020. [PMID: 32887360 PMCID: PMC7563654 DOI: 10.3390/cells9092020] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/24/2020] [Accepted: 08/26/2020] [Indexed: 12/27/2022] Open
Abstract
The 70 kDa heat shock protein (HSP70) is a stress-inducible protein that has been shown to protect the brain from various nervous system injuries. It allows cells to withstand potentially lethal insults through its chaperone functions. Its chaperone properties can assist in protein folding and prevent protein aggregation following several of these insults. Although its neuroprotective properties have been largely attributed to its chaperone functions, HSP70 may interact directly with proteins involved in cell death and inflammatory pathways following injury. Through the use of mutant animal models, gene transfer, or heat stress, a number of studies have now reported positive outcomes of HSP70 induction. However, these approaches are not practical for clinical translation. Thus, pharmaceutical compounds that can induce HSP70, mostly by inhibiting HSP90, have been investigated as potential therapies to mitigate neurological disease and lead to neuroprotection. This review summarizes the neuroprotective mechanisms of HSP70 and discusses potential ways in which this endogenous therapeutic molecule could be practically induced by pharmacological means to ultimately improve neurological outcomes in acute neurological disease.
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Affiliation(s)
- Jong Youl Kim
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Korea; (J.Y.K.); (S.B.); (M.Y.H.); (J.P.)
| | - Sumit Barua
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Korea; (J.Y.K.); (S.B.); (M.Y.H.); (J.P.)
| | - Mei Ying Huang
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Korea; (J.Y.K.); (S.B.); (M.Y.H.); (J.P.)
- BK21 Plus Project for Medical Science and Brain Research Institute, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
| | - Joohyun Park
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Korea; (J.Y.K.); (S.B.); (M.Y.H.); (J.P.)
- BK21 Plus Project for Medical Science and Brain Research Institute, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
| | - Midori A. Yenari
- Department of Neurology, University of California, San Francisco & the San Francisco Veterans Affairs Medical Center, Neurology (127) VAMC 4150 Clement St., San Francisco, CA 94121, USA
- Correspondence: (M.A.Y.); (J.E.L.); Tel.: +1-415-750-2011 (M.A.Y.); +82-2-2228-1646 (ext. 1659) (J.E.L.); Fax: +1-415-750-2273 (M.A.Y.); +82-2-365-0700 (J.E.L.)
| | - Jong Eun Lee
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Korea; (J.Y.K.); (S.B.); (M.Y.H.); (J.P.)
- BK21 Plus Project for Medical Science and Brain Research Institute, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
- Correspondence: (M.A.Y.); (J.E.L.); Tel.: +1-415-750-2011 (M.A.Y.); +82-2-2228-1646 (ext. 1659) (J.E.L.); Fax: +1-415-750-2273 (M.A.Y.); +82-2-365-0700 (J.E.L.)
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28
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Wang L, Fu Y, Yu B, Jiang X, Liu H, Liu J, Zha B, Chu Y. HSP70, a Novel Regulatory Molecule in B Cell-Mediated Suppression of Autoimmune Diseases. J Mol Biol 2020; 433:166634. [PMID: 32860772 DOI: 10.1016/j.jmb.2020.08.019] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 08/12/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022]
Abstract
B cells have recently emerged as playing regulatory role in autoimmune diseases. We have previously demonstrated that human peripheral blood CD19+CD24hiCD27+ B cells have regulatory function both in healthy donors and in patients with autoimmune disease. However, the mechanism of this regulation is still not fully understood. In this study, microarrays were utilized to compare gene expression of CD19+CD24hiCD27+ B cells (regulatory B cells, Bregs) with CD19+CD24loCD27- B cells (non-Bregs) in human peripheral blood. We found that heat shock protein 70 (HSP70) expression was significantly upregulated in Bregs. In vitro studies explored that HSP70 inhibition impaired the regulatory function of peripheral blood Bregs. In mouse models of autoimmune disease, using HSP70-deficient mice or HSP70 inhibitors, Bregs suppressed effector cells and rescued disease-associated phenotypes that were dependent on HSP70. Mechanistically, Bregs secreted HSP70, directly suppressing effector cells, such as T effect cells. These findings reveal that HSP70 is a novel factor that modulates Breg function and suggest that enhancing Breg-mediated production of HSP70 could be a viable therapy for autoimmune disease.
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Affiliation(s)
- Luman Wang
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Endocrinology and Metabolism, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China; Biotherapy Research Center, Fudan University, Shanghai 200032, China
| | - Ying Fu
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Baichao Yu
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Xuechao Jiang
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Hongchun Liu
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jun Liu
- Department of Endocrinology and Metabolism, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Bingbing Zha
- Department of Endocrinology and Metabolism, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China.
| | - Yiwei Chu
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Biotherapy Research Center, Fudan University, Shanghai 200032, China.
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29
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Dores-Silva PR, Cauvi DM, Kiraly VTR, Borges JC, De Maio A. Human HSPA9 (mtHsp70, mortalin) interacts with lipid bilayers containing cardiolipin, a major component of the inner mitochondrial membrane. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1862:183436. [PMID: 32781155 DOI: 10.1016/j.bbamem.2020.183436] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 12/16/2022]
Abstract
Mitochondrial Hsp70 (HSPA9, mtHsp70, mortalin) in conjunction with a complex set of other proteins is involved in the transport of polypeptides across the mitochondrial matrix. This observation allows us to hypothesize that HSPA9 might interact with membranes directly, similarly to other Hsp70s. Thus, we investigated whether human HSPA9 could also get inserted into lipid membranes. Human HSPA9 was incubated with liposomes made of lipids found within the mitochondrial membrane, such as 1', 3'-bis [1, 2-dimyristoyl-sn-glycero-3-phospho]-glycerol (CL), palmitoyl-oleoyl phosphocholine (POPC), palmitoyl-oleoyl phosphoserine (POPS), and palmitoyl-oleoyl phosphoethanolamine (POPE). HSPA9 displayed a predilection for CL and POPS, and low affinity for POPC and POPE, suggesting that the proteins have high specificity for negatively charged phospholipids. Then, liposomes were made with a composition resembling either the outer or inner mitochondrial membrane (OMM or IMM, respectively). We observed that HSPA9 has a higher affinity for IMM than OMM, which is consistent with the higher content of CL in the IMM. A comparison for the incorporation into POPS or CL liposomes by HSPA9 or HSPA1 indicated that both proteins behaved very similarly when exposed to CL liposomes, but differently with POPS liposomes, which was further corroborated by their susceptibility to proteinase K digestion after incorporation into liposomes. The measurement of thermodynamic parameters also showed that the interaction of both proteins with CL and POPS liposomes was different. Overall, our data showed that HSPA9 is prone to interact with membranes resembling the IMM that may be important for its role in the translocation of proteins into the mitochondria.
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Affiliation(s)
- Paulo Roberto Dores-Silva
- Division of Trauma, Critical Care, Burns and Acute Care Surgery, Department of Surgery, School of Medicine, University of California San Diego, La Jolla, CA 92093, USA; São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - David M Cauvi
- Division of Trauma, Critical Care, Burns and Acute Care Surgery, Department of Surgery, School of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Vanessa T R Kiraly
- São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Júlio C Borges
- São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Antonio De Maio
- Division of Trauma, Critical Care, Burns and Acute Care Surgery, Department of Surgery, School of Medicine, University of California San Diego, La Jolla, CA 92093, USA; Division of Trauma, Critical Care, Burns and Acute Care Surgery, Department of Neurosciences, School of Medicine, University of California San Diego, La Jolla, CA 92093, USA.
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30
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Tukaj S. Heat Shock Protein 70 as a Double Agent Acting Inside and Outside the Cell: Insights into Autoimmunity. Int J Mol Sci 2020; 21:ijms21155298. [PMID: 32722570 PMCID: PMC7432326 DOI: 10.3390/ijms21155298] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 02/07/2023] Open
Abstract
Heat shock proteins (Hsp) are a diverse group of constitutive and/or stress-induced molecules that are categorized into several classes on the basis of their molecular weight. Mammalian Hsp have been mostly regarded as intracellular chaperones that mediate a range of essential cellular functions, including proper folding of newly synthesized polypeptides, refolding of denatured proteins, protein transport, and stabilization of native proteins' structures. The well-characterized and highly evolutionarily conserved, stress-inducible 70-kDa heat shock protein (Hsp70), is a key molecular chaperone that is overexpressed in the cell in response to stress of various origin. Hsp70 exhibits an immunosuppressive activity via, e.g., downregulation of the nuclear factor-kappa B (NF-κB) activation, and pharmacological induction of Hsp70 can ameliorate the autoimmune arthritis development in animal models. Moreover, Hsp70 might be passively or actively released from the necrotic or stressed cells, respectively. Highly immunogenic extracellular Hsp70 has been reported to impact both the innate and adaptive immune responses, and to be implicated in the autoimmune reaction. In addition, preclinical studies revealed that immunization with highly conserved Hsp70 peptides could be regarded as a potential treatment target for autoimmune arthritis, such as the rheumatoid arthritis, via induction of antigen-specific regulatory T helper cells (also called Treg). Here, a dual role of the intra- and extracellular Hsp70 is presented in the context of the autoimmune reaction.
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Affiliation(s)
- Stefan Tukaj
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland
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He Q, Luo J, Xu JZ, Meng XZ, Pan GQ, Li T, Zhou ZY. Characterization of Hsp70 gene family provides insight into its functions related to microsporidian proliferation. J Invertebr Pathol 2020; 174:107394. [PMID: 32428446 DOI: 10.1016/j.jip.2020.107394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 05/11/2020] [Accepted: 05/11/2020] [Indexed: 12/20/2022]
Abstract
Heat shock protein 70 (Hsp70), a highly conserved protein family, is widely distributed in organisms and plays fundamental roles in biotic and abiotic stress responses. However, reports on Hsp70 genes are scarce in microsporidia, a very large group of obligate intracellular parasites that can infect nearly all animals, including humans. In this study, we identified 37 Hsp70 proteins from eight microsporidian genomes and classified them into four subfamilies (A-D). The number of Hsp70 genes in these microsporidia was significantly fewer than in Rozella allomycis and yeast. All microsporidian species contained genes from each subfamily and similar subcellular locations (mitochondria, endoplasmic reticulum, cytosol, and cytosol and/or nucleus), indicating that each Hsp70 member may fulfil distinct functions. The conserved structures and motifs of the Hsp70 proteins in the same subfamily were highly similar. Expression analysis indicated that the subfamily C cytosol (cyto)-associated Hsp70s is functional during microsporidia development. Immunofluorescence assays revealed that Cyto-NbHsp70 was cytoplasmically located in the proliferation-stage of Nosema bombycis. Cyto-NbHsp70 antiserum also labeled Encephalitozoon hellem within infected cells, suggesting that this antiserum is a potential molecular marker for labeling the proliferative phases of different microsporidian species. The propagation of N. bombycis was significantly inhibited following RNAi of Cyto-NbHsp70, indicating that Cyto-NbHsp70 is important for pathogen proliferation. Our phylogenetic data suggest that Hsp70 proteins evolved during microsporidia adaption to intracellular parasitism, and they play important roles in pathogen development.
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Affiliation(s)
- Qiang He
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing 400715, China
| | - Jian Luo
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing 400715, China
| | - Jin-Zhi Xu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing 400715, China
| | - Xian-Zhi Meng
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing 400715, China
| | - Guo-Qing Pan
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing 400715, China
| | - Tian Li
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing 400715, China.
| | - Ze-Yang Zhou
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing 400715, China; College of Life Science, Chongqing Normal University, Chongqing 400047, China.
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Breglio AM, May LA, Barzik M, Welsh NC, Francis SP, Costain TQ, Wang L, Anderson DE, Petralia RS, Wang YX, Friedman TB, Wood MJ, Cunningham LL. Exosomes mediate sensory hair cell protection in the inner ear. J Clin Invest 2020; 130:2657-2672. [PMID: 32027617 PMCID: PMC7190999 DOI: 10.1172/jci128867] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 01/30/2020] [Indexed: 12/17/2022] Open
Abstract
Hair cells, the mechanosensory receptors of the inner ear, are responsible for hearing and balance. Hair cell death and consequent hearing loss are common results of treatment with ototoxic drugs, including the widely used aminoglycoside antibiotics. Induction of heat shock proteins (HSPs) confers protection against aminoglycoside-induced hair cell death via paracrine signaling that requires extracellular heat shock 70-kDa protein (HSP70). We investigated the mechanisms underlying this non-cell-autonomous protective signaling in the inner ear. In response to heat stress, inner ear tissue releases exosomes that carry HSP70 in addition to canonical exosome markers and other proteins. Isolated exosomes from heat-shocked utricles were sufficient to improve survival of hair cells exposed to the aminoglycoside antibiotic neomycin, whereas inhibition or depletion of exosomes from the extracellular environment abolished the protective effect of heat shock. Hair cell-specific expression of the known HSP70 receptor TLR4 was required for the protective effect of exosomes, and exosomal HSP70 interacted with TLR4 on hair cells. Our results indicate that exosomes are a previously undescribed mechanism of intercellular communication in the inner ear that can mediate nonautonomous hair cell survival. Exosomes may hold potential as nanocarriers for delivery of therapeutics against hearing loss.
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Affiliation(s)
- Andrew M. Breglio
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, United Kingdom
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
- NIH Oxford-Cambridge Scholars Program, Bethesda, Maryland, USA
| | - Lindsey A. May
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - Melanie Barzik
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - Nora C. Welsh
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - Shimon P. Francis
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - Tucker Q. Costain
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - Lizhen Wang
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - D. Eric Anderson
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), NIH, Bethesda, Maryland, USA
| | - Ronald S. Petralia
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - Ya-Xian Wang
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - Thomas B. Friedman
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
| | - Matthew J.A. Wood
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, United Kingdom
- Department of Paediatrics, University of Oxford, Oxford, United Kingdom
| | - Lisa L. Cunningham
- National Institute on Deafness and Other Communication Disorders (NIDCD), NIH, Bethesda, Maryland, USA
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Heat Shock Protein 70 Protects the Heart from Ischemia/Reperfusion Injury through Inhibition of p38 MAPK Signaling. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:3908641. [PMID: 32308802 PMCID: PMC7142395 DOI: 10.1155/2020/3908641] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 02/14/2020] [Accepted: 03/10/2020] [Indexed: 12/18/2022]
Abstract
Background Heat shock protein 70 (Hsp70) has been shown to exert cardioprotection. Intracellular calcium ([Ca2+]i) overload induced by p38 mitogen-activated protein kinase (p38 MAPK) activation contributes to cardiac ischemia/reperfusion (I/R) injury. However, whether Hsp70 interacts with p38 MAPK signaling is unclear. Therefore, this study investigated the regulation of p38 MAPK by Hsp70 in I/R-induced cardiac injury. Methods Neonatal rat cardiomyocytes were subjected to oxygen-glucose deprivation for 6 h followed by 2 h reoxygenation (OGD/R), and rats underwent left anterior artery ligation for 30 min followed by 30 min of reperfusion. The p38 MAPK inhibitor (SB203580), Hsp70 inhibitor (Quercetin), and Hsp70 short hairpin RNA (shRNA) were used prior to OGD/R or I/R. Cell viability, lactate dehydrogenase (LDH) release, serum cardiac troponin I (cTnI), [Ca2+]i levels, cell apoptosis, myocardial infarct size, mRNA level of IL-1β and IL-6, and protein expression of Hsp70, phosphorylated p38 MAPK (p-p38 MAPK), sarcoplasmic/endoplasmic reticulum Ca2+-ATPase2 (SERCA2), phosphorylated signal transducer and activator of transcription3 (p-STAT3), and cleaved caspase3 were assessed. Results Pretreatment with a p38 MAPK inhibitor, SB203580, significantly attenuated OGD/R-induced cell injury or I/R-induced myocardial injury, as evidenced by improved cell viability and lower LDH release, resulted in lower serum cTnI and myocardial infarct size, alleviation of [Ca2+]i overload and cell apoptosis, inhibition of IL-1β and IL-6, and modulation of protein expressions of p-p38 MAPK, SERCA2, p-STAT3, and cleaved-caspase3. Knockdown of Hsp70 by shRNA exacerbated OGD/R-induced cell injury, which was effectively abolished by SB203580. Moreover, inhibition of Hsp70 by quercetin enhanced I/R-induced myocardial injury, while SB203580 pretreatment reversed the harmful effects caused by quercetin. Conclusions Inhibition of Hsp70 aggravates [Ca2+]i overload, inflammation, and apoptosis through regulating p38 MAPK signaling during cardiac I/R injury, which may help provide novel insight into cardioprotective strategies.
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Kiraly VTR, Dores-Silva PR, Serrão VHB, Cauvi DM, De Maio A, Borges JC. Thermal aggregates of human mortalin and Hsp70-1A behave as supramolecular assemblies. Int J Biol Macromol 2020; 146:320-331. [PMID: 31899237 PMCID: PMC7024674 DOI: 10.1016/j.ijbiomac.2019.12.236] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/24/2019] [Accepted: 12/25/2019] [Indexed: 12/12/2022]
Abstract
The Hsp70 family of heat shock proteins plays a critical function in maintaining cellular homeostasis within various subcellular compartments. The human mitochondrial Hsp70 (HSPA9) has been associated with cellular death, senescence, cancer and neurodegenerative diseases, which is the rational for the name mortalin. It is well documented that mortalin, such as other Hsp70s, is prone to self-aggregation, which is related to mitochondria biogenesis failure. Here, we investigated the assembly, structure and function of thermic aggregates/oligomers of recombinant human mortalin and Hsp70-1A (HSPA1A). Summarily, both Hsp70 thermic aggregates have characteristics of supramolecular assemblies. They display characteristic organized structures and partial ATPase activity, despite their nanometric size. Indeed, we observed that the interaction of these aggregates/oligomers with liposomes is similar to monomeric Hsp70s and, finally, they were non-toxic over neuroblastoma cells. These findings revealed that high molecular mass oligomers of mortalin and Hsp70-1A preserved some of the fundamental functions of these proteins.
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Affiliation(s)
- Vanessa T R Kiraly
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP, Brazil
| | - Paulo R Dores-Silva
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP, Brazil; Department of Surgery, School of Medicine University of California, La Jolla, USA
| | - Vitor H B Serrão
- Department Laboratory of Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - David M Cauvi
- Department of Surgery, School of Medicine University of California, La Jolla, USA
| | - Antonio De Maio
- Department of Surgery, School of Medicine University of California, La Jolla, USA; Center for Investigations of Health and Education Disparities, University of California, San Diego, La Jolla, USA; Department of Neurosciences, School of Medicine, University of California, La Jolla, USA
| | - Júlio C Borges
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP, Brazil.
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Heat shock protein signaling in brain ischemia and injury. Neurosci Lett 2019; 715:134642. [PMID: 31759081 DOI: 10.1016/j.neulet.2019.134642] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 11/16/2019] [Accepted: 11/19/2019] [Indexed: 12/28/2022]
Abstract
Heat shock proteins (HSPs) are chaperones that catalyze the refolding of denatured proteins. In addition to their ability to prevent protein denaturation and aggregation, the HSPs have also been shown to modulate many signaling pathways. Among HSPs, the inducible 70 kDa HSP (HSP70) has especially been shown to improve neurological outcome in experimental models of brain ischemia and injury. HSP70 can modulate various aspects of the programmed cell death pathways and inflammation. This review will focus on potential mechanisms of the neuroprotective effects of HSP70 in stroke and brain trauma models. We also comment on potential ways in which HSP70 could be translated into clinical therapies.
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Liu K, Hao X, Wang Q, Hou J, Lai X, Dong Z, Shao C. Genome-wide identification and characterization of heat shock protein family 70 provides insight into its divergent functions on immune response and development of Paralichthys olivaceus. PeerJ 2019; 7:e7781. [PMID: 31737440 PMCID: PMC6855204 DOI: 10.7717/peerj.7781] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 08/28/2019] [Indexed: 01/16/2023] Open
Abstract
Flatfish undergo extreme morphological development and settle to a benthic in the adult stage, and are likely to be more susceptible to environmental stress. Heat shock proteins 70 (hsp70) are involved in embryonic development and stress response in metazoan animals. However, the evolutionary history and functions of hsp70 in flatfish are poorly understood. Here, we identified 15 hsp70 genes in the genome of Japanese flounder (Paralichthys olivaceus), a flatfish endemic to northwestern Pacific Ocean. Gene structure and motifs of the Japanese flounder hsp70 were conserved, and there were few structure variants compared to other fish species. We constructed a maximum likelihood tree to understand the evolutionary relationship of the hsp70 genes among surveyed fish. Selection pressure analysis suggested that four genes, hspa4l, hspa9, hspa13, and hyou1, showed signs of positive selection. We then extracted transcriptome data on the Japanese flounder with Edwardsiella tarda to induce stress, and found that hspa9, hspa12b, hspa4l, hspa13, and hyou1 were highly expressed, likely to protect cells from stress. Interestingly, expression patterns of hsp70 genes were divergent in different developmental stages of the Japanese flounder. We found that at least one hsp70 gene was always highly expressed at various stages of embryonic development of the Japanese flounder, thereby indicating that hsp70 genes were constitutively expressed in the Japanese flounder. Our findings provide basic and useful resources to better understand hsp70 genes in flatfish.
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Affiliation(s)
- Kaiqiang Liu
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resource, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, QingDao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, QingDao, China
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Key Laboratory of Marine Biotechnology, Huaihai Institute of Technology, Lianyungang, China
| | - Xiancai Hao
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resource, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, QingDao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, QingDao, China
| | - Qian Wang
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resource, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, QingDao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, QingDao, China
| | - Jilun Hou
- Beidaihe Central Experiment Station, Chinese Academy of Fishery Sciences, Beidaihe, China
| | - Xiaofang Lai
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Key Laboratory of Marine Biotechnology, Huaihai Institute of Technology, Lianyungang, China
| | - Zhiguo Dong
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Key Laboratory of Marine Biotechnology, Huaihai Institute of Technology, Lianyungang, China
| | - Changwei Shao
- Key Laboratory for Sustainable Utilization of Marine Fisheries Resource, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, QingDao, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, QingDao, China
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Bonam SR, Ruff M, Muller S. HSPA8/HSC70 in Immune Disorders: A Molecular Rheostat that Adjusts Chaperone-Mediated Autophagy Substrates. Cells 2019; 8:E849. [PMID: 31394830 PMCID: PMC6721745 DOI: 10.3390/cells8080849] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/02/2019] [Accepted: 08/05/2019] [Indexed: 12/24/2022] Open
Abstract
HSPA8/HSC70 is a molecular chaperone involved in a wide variety of cellular processes. It plays a crucial role in protein quality control, ensuring the correct folding and re-folding of selected proteins, and controlling the elimination of abnormally-folded conformers and of proteins daily produced in excess in our cells. HSPA8 is a crucial molecular regulator of chaperone-mediated autophagy, as a detector of substrates that will be processed by this specialized autophagy pathway. In this review, we shortly summarize its structure and overall functions, dissect its implication in immune disorders, and list the known pharmacological tools that modulate its functions. We also exemplify the interest of targeting HSPA8 to regulate pathological immune dysfunctions.
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Affiliation(s)
- Srinivasa Reddy Bonam
- Neuroimmunology & peptide therapy, Biotechnology and cell signaling, CNRS-University of Strasbourg, Illkirch 67412, France/Laboratory of excellence Medalis, 67000 Strasbourg, France
| | - Marc Ruff
- Biologie Structurale Intégrative, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, 67404 Strasbourg, France
| | - Sylviane Muller
- Neuroimmunology & peptide therapy, Biotechnology and cell signaling, CNRS-University of Strasbourg, Illkirch 67412, France/Laboratory of excellence Medalis, 67000 Strasbourg, France.
- University of Strasbourg Institute for Advanced Study (USIAS), 67000 Strasbourg, France.
- Fédération Hospitalo-Universitaire (FHU) OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg University, 67000 Strasbourg, France.
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Thuringer D, Garrido C. Molecular chaperones in the brain endothelial barrier: neurotoxicity or neuroprotection? FASEB J 2019; 33:11629-11639. [PMID: 31348679 DOI: 10.1096/fj.201900895r] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Brain microvascular endothelial cells (BMECs) interact with astrocytes and pericytes to form the blood-brain barrier (BBB). Their compromised function alters the BBB integrity, which is associated with early events in the pathogenesis of cancer, neurodegenerative diseases, and epilepsy. Interestingly, these conditions also induce the expression of heat shock proteins (HSPs). Here we review the contribution of major HSP families to BMEC and BBB function. Although investigators mainly report protective effects of HSPs in brain, contrasted results were obtained in BMEC, which depend both on the HSP and on its location, intra- or extracellular. The therapeutic potential of HSPs must be scrupulously analyzed before targeting them in patients to reduce the progression of brain lesions and improve neurologic outcomes in the long term.-Thuringer, D., Garrido, C. Molecular chaperones in the brain endothelial barrier: neurotoxicity or neuroprotection?
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Affiliation(s)
- Dominique Thuringer
- INSERM Unité Mixte de Recherche (UMR) 1231, Institut Fédératif de Recherche en Santé-Sciences et Techniques de l'Information et de la Communication (IFR Santé-STIC), Faculté de Médecine, Université de Bourgogne Franche-Comté, Dijon, France
| | - Carmen Garrido
- INSERM Unité Mixte de Recherche (UMR) 1231, Institut Fédératif de Recherche en Santé-Sciences et Techniques de l'Information et de la Communication (IFR Santé-STIC), Faculté de Médecine, Université de Bourgogne Franche-Comté, Dijon, France
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Arispe N, De Maio A. Memory Loss and the Onset of Alzheimer's Disease Could Be Under the Control of Extracellular Heat Shock Proteins. J Alzheimers Dis 2019; 63:927-934. [PMID: 29689729 DOI: 10.3233/jad-180161] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Alzheimer's disease (AD) is a major contemporary and escalating malady in which amyloid-β (Aβ) peptides are the most likely causative agent. Aβ peptides spontaneously tend to aggregate in extracellular fluids following a progression from a monomeric state, through intermediate forms, ending in amyloid fibers and plaques. It is generally accepted now that the neurotoxic agents leading to cellular death, memory loss, and other AD characteristics are the Aβ intermediate aggregated states. However, Aβ peptides are continuously produced, released into the extracellular space, and rapidly cleared from healthy brains. Coincidentally, members of the heat shock proteins (hsp) family are present in the extracellular medium of healthy cells and body fluids, opening the possibility that hsps and Aβ could meet and interact in the extracellular milieu of the brain. In this perspective and reflection article, we place our investigation showing that the presence of Hsp70s mitigate the formation of low molecular weight Aβ peptide oligomers resulting in a reduction of cellular toxicity, in context of the current understanding of the disease. We propose that it may be an inverse relationship between the presence of Hsp70, the stage of Aβ oligomers, neurotoxicity, and the incidence of AD, particularly since the expression and circulating levels of hsp decrease with aging. Combining these observations, we propose that changes in the dynamics of Hsp70s and Aβ concentrations in the circulating brain fluids during aging defines the control of the formation of Aβ toxic aggregates, thus determining the conditions for neuron degeneration and the incidence of AD.
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Affiliation(s)
- Nelson Arispe
- Department of Anatomy, Physiology and Genetics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Antonio De Maio
- Department of Surgery and Neurosciences, University of California, San Diego, School of Medicine, La Jolla, CA, USA
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Pourhanifeh MH, Mahdavinia M, Reiter RJ, Asemi Z. Potential use of melatonin in skin cancer treatment: A review of current biological evidence. J Cell Physiol 2019; 234:12142-12148. [PMID: 30618091 DOI: 10.1002/jcp.28129] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 12/20/2018] [Indexed: 12/13/2022]
Abstract
Skin cancer, particularly melanoma, is a leading cause of death worldwide. The therapeutic methods for this malignancy are not effective, and due to the side effects of these treatments, applying an appropriate alternative or complementary treatment is important. According to available data, melatonin as the main product of the pineal gland has oncostatic and antitumoral properties. Also, melatonin acts as an anti-inflammatory and reactive oxygen species inducer agent which suppresses the growth of tumors. It also has apoptosis induction characteristics through regulating signaling pathways, including heat shock protein 70, nuclear factor-erythroid 2 p45-related factor 2 and others. Thus, adding melatonin to chemo- and radiotherapy may have synergistic therapeutic effects and increase the survival time in patients with skin cancer. Few clinical studies have evaluated the efficacy of melatonin in skin cancer. Based on the related mechanisms, this review discusses about how melatonin may improve outcomes in skin cancer patients.
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Affiliation(s)
- Mohammad Hossein Pourhanifeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, I. R. Iran
| | - Mostafa Mahdavinia
- Department of Dermatology, Razi Hospital, Tehran University of Medical Sciences, Tehran, I. R. Iran
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, Texas
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, I. R. Iran
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Baldissera FG, Dos Santos AB, Sulzbacher MM, Goettems-Fiorin PB, Frizzo MN, Ludwig MS, Rhoden CR, Heck TG. Subacute exposure to residual oil fly ash (ROFA) increases eHSP70 content and extracellular-to-intracellular HSP70 ratio: a relation with oxidative stress markers. Cell Stress Chaperones 2018; 23:1185-1192. [PMID: 29934712 PMCID: PMC6237679 DOI: 10.1007/s12192-018-0924-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 05/29/2018] [Accepted: 06/12/2018] [Indexed: 01/28/2023] Open
Abstract
The purpose of this study was to evaluate whether exposure to particles induces an imbalance in 70-kDa heat shock proteins (HSP70). Since intracellularly (iHSP70) it has anti-inflammatory roles whereas extracellularly (eHSP70) it has pro-inflammatory roles, we evaluate the effect of residual oil fly ash (ROFA) exposure on eHSP70-to-iHSP70 ratio (H index), a biomarker of inflammatory status that is related to oxidative stress in plasma and lymphoid tissue. Wistar rats that received ROFA suspension for three consecutive days (750 μg) showed an increase in plasma eHSP70 levels (mainly the 72-kDa inducible form). Also, ROFA promoted alterations on plasma oxidative stress (increased protein carbonyl groups and superoxide dismutase activity, and decrease sulfhydryl groups). There was an increase in H index of the plasma/thymus with no changes in circulating leukocyte level, iHSP70, or oxidative stress markers in lymphoid tissues. Our results support the hypothesis that eHSP70 content and H index represent inflammatory and oxidative biomarkers.
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Affiliation(s)
- Fernanda Giesel Baldissera
- Postgraduation Program in Health Sciences, Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Analú Bender Dos Santos
- Postgraduate Program in Integral Attention to Health (PPGAIS-UNIJUI/UNICRUZ), Research Group in Physiology, Department of Life Sciences, Regional University of the Northwestern Rio Grande do Sul State (UNIJUI), Rua do Comércio, 3000, Universitário, Ijuí, Rio Grande do Sul, 98700-000, Brazil
| | - Maicon Machado Sulzbacher
- Postgraduate Program in Integral Attention to Health (PPGAIS-UNIJUI/UNICRUZ), Research Group in Physiology, Department of Life Sciences, Regional University of the Northwestern Rio Grande do Sul State (UNIJUI), Rua do Comércio, 3000, Universitário, Ijuí, Rio Grande do Sul, 98700-000, Brazil
| | - Pauline Brendler Goettems-Fiorin
- Postgraduation Program in Health Sciences, Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
- Postgraduate Program in Integral Attention to Health (PPGAIS-UNIJUI/UNICRUZ), Research Group in Physiology, Department of Life Sciences, Regional University of the Northwestern Rio Grande do Sul State (UNIJUI), Rua do Comércio, 3000, Universitário, Ijuí, Rio Grande do Sul, 98700-000, Brazil
| | - Matias Nunes Frizzo
- Postgraduate Program in Integral Attention to Health (PPGAIS-UNIJUI/UNICRUZ), Research Group in Physiology, Department of Life Sciences, Regional University of the Northwestern Rio Grande do Sul State (UNIJUI), Rua do Comércio, 3000, Universitário, Ijuí, Rio Grande do Sul, 98700-000, Brazil
| | - Mirna Stela Ludwig
- Postgraduate Program in Integral Attention to Health (PPGAIS-UNIJUI/UNICRUZ), Research Group in Physiology, Department of Life Sciences, Regional University of the Northwestern Rio Grande do Sul State (UNIJUI), Rua do Comércio, 3000, Universitário, Ijuí, Rio Grande do Sul, 98700-000, Brazil
| | - Claudia Ramos Rhoden
- Postgraduation Program in Health Sciences, Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Thiago Gomes Heck
- Postgraduate Program in Integral Attention to Health (PPGAIS-UNIJUI/UNICRUZ), Research Group in Physiology, Department of Life Sciences, Regional University of the Northwestern Rio Grande do Sul State (UNIJUI), Rua do Comércio, 3000, Universitário, Ijuí, Rio Grande do Sul, 98700-000, Brazil.
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Song Y, Zhong C, Wang X. Heat shock protein 70: A promising therapeutic target for myocardial ischemia–reperfusion injury. J Cell Physiol 2018; 234:1190-1207. [DOI: 10.1002/jcp.27110] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 06/29/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Yan‐Jun Song
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure, Laboratory of Heart Center, Department of Cardiology, Heart Center, Zhujiang Hospital Southern Medical University Guangzhou China
- School of Laboratory Medicine and Biotechnology Southern Medical University Guangzhou China
| | - Chong‐Bin Zhong
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure, Laboratory of Heart Center, Department of Cardiology, Heart Center, Zhujiang Hospital Southern Medical University Guangzhou China
| | - Xian‐Bao Wang
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure, Laboratory of Heart Center, Department of Cardiology, Heart Center, Zhujiang Hospital Southern Medical University Guangzhou China
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Cunningham TJ, Greenstein J, Yao L, Fischer I, Connors T. Heptamer Peptide Disassembles Native Amyloid in Human Plasma Through Heat Shock Protein 70. Rejuvenation Res 2018; 21:527-534. [PMID: 29651925 DOI: 10.1089/rej.2017.2049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Proteostasis, which includes the repair and disposal of misfolded proteins, depends, in part, on the activity of heat shock proteins (HSPs), a well-known class of chaperone molecules. When this process fails, abnormally folded proteins may accumulate in cells, tissues, and blood. These species are a hallmark of protein aggregation diseases, but also amass during aging, often in the absence of an identified clinical disorder. We report that a neuroprotective cyclic heptapeptide, CHEC-7, which has been applied systemically as a therapeutic in animal neurodegeneration models, disrupts such aggregates and inhibits amyloidogenesis when added in nanomolar concentrations to human plasma. This effect includes aggregates of amyloid beta (Aβ1-40, 1-42), prominent features of Alzheimer's disease pathology. The activity of endogenous HSP70, a recently discovered target of the peptide, is required as demonstrated by both antibody blocking and application of pifithrin-μ, an HSP70 inhibitor. CHEC-7 is the first high-affinity compound to stimulate HSP70's disaggregase activity and therefore enable this endogenous mechanism in a human systemic environment, increasing the likelihood of a convenient therapy for protein aggregate disease, including age-related failures of protein repair.
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Affiliation(s)
- Timothy J Cunningham
- 1 Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | | | - Lihua Yao
- 1 Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - Itzhak Fischer
- 1 Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - Theresa Connors
- 1 Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, Pennsylvania
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44
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Kim JY, Han Y, Lee JE, Yenari MA. The 70-kDa heat shock protein (Hsp70) as a therapeutic target for stroke. Expert Opin Ther Targets 2018; 22:191-199. [PMID: 29421932 DOI: 10.1080/14728222.2018.1439477] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION The 70-kDa heat shock protein (Hsp70) is a cytosolic chaperone which facilitates protein folding, degradation, complex assembly, and translocation. Following stroke, these functions have the potential to lead to cytoprotection, and this has been demonstrated using genetic mutant models, direct gene transfer or the induction of Hsp70 via heat stress, approaches which limit its translational utility. Recently, the investigation of Hsp70-inducing pharmacological compounds, which, through their ability to inhibit Hsp90, has obvious clinical implications in terms of potential therapies to mitigate cell death and inflammation, and lead to neuroprotection from brain injury. Areas covered: In this review, we will focus on the role of Hsp70 in cell death and inflammation, and the current literature surrounding the pharmacological induction in acute ischemic stroke models with comments on potential applications at the clinical level. Expert opinion: Such neuroprotectants could be used to synergistically improve neurological outcome or to extend the time window of existing interventions, thus increasing the numbers of stroke victims eligible for treatment.
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Affiliation(s)
- Jong Youl Kim
- a Department of Anatomy , Yonsei University College of Medicine , Seoul , Republic of Korea
| | - Yeonseung Han
- a Department of Anatomy , Yonsei University College of Medicine , Seoul , Republic of Korea
| | - Jong Eun Lee
- a Department of Anatomy , Yonsei University College of Medicine , Seoul , Republic of Korea.,b BK21 Plus Project for Medical Science and Brain Research Institute , Yonsei University College of Medicine , Seoul , Republic of Korea
| | - Midori A Yenari
- c Department of Neurology , University of California, San Francisco & the San Francisco Veterans Affairs Medical Center , San Francisco , CA , USA
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45
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Li P, Zhang M, Zou Y, Sun Z, Sun C, Geng Z, Xu W, Wang D. Interaction of heat shock protein 90 B1 (Hsp90B1) with liposome reveals its potential role in protection the integrity of lipid membranes. Int J Biol Macromol 2018; 106:1250-1257. [DOI: 10.1016/j.ijbiomac.2017.08.121] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 08/16/2017] [Accepted: 08/22/2017] [Indexed: 01/28/2023]
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46
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Fujimoto E, Imai A, Utsuyama M, Sato K. Effects of in vitro heat shock on immune cells in diet-induced obese mice. J Therm Biol 2017; 69:124-131. [PMID: 29037372 DOI: 10.1016/j.jtherbio.2017.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 07/12/2017] [Accepted: 07/12/2017] [Indexed: 12/23/2022]
Abstract
Obesity has been associated with impaired immune responses and inflammation. The mechanisms underlying these immune disturbances in obesity are not yet clarified. This study investigated the effects of in vitro heat shock (HS) on immune cells from the point of view of thymocyte apoptosis and T-cell mitogen-stimulated splenocyte cytokine production as well as the heat shock protein 70 (HSP70) protein levels in diet-induced obese mice to explore a possible association between the disturbance of T cell immunity and HS response in obesity. Obese mice had increased apoptotic and necrotic thymocytes populations and increased splenocyte cytokine production of both proinflammatory and anti-inflammatory cytokines compared with lean mice. The in vitro HS at 42°C decreased the rate of live cells in thymocytes, and the degree of the decrease was larger in obese mice compared with lean mice. The in vitro HS increased the intracellular and extracellular HSP70 protein levels in thymocytes and splenocytes, while the effects of obesity on the HSP70 protein levels were not obvious. The in vitro HS prior to T cell mitogen stimulation decreased IFN-γ and IL-10 production by mitogen-stimulated splenocytes. This change in cytokine production due to HS was not affected by obesity. The obvious alteration of the HSP70 protein levels and association between cytokine production and the HS response in obesity were not found in this obesity model; however, our results indicate an association between the viability of thymocytes and an altered HS response in obesity and provide evidence that the increase in thymocyte apoptosis and acceleration of thymus involution in obesity could be, in part, due to the alteration of the HS response.
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Affiliation(s)
- Eka Fujimoto
- Division of Human Development, Graduate School of Human Life Science, Japan Women's University, 2-8-1 Mejirodai, Bunkyo-ku, Tokyo, Japan
| | - Atsuko Imai
- Department of Food and Nutrition, Faculty of Human Sciences and Design, Japan Women's University, 2-8-1 Mejirodai, Bunkyo-ku, Tokyo, Japan
| | - Masanori Utsuyama
- Department of Food and Nutrition, Faculty of Human Sciences and Design, Japan Women's University, 2-8-1 Mejirodai, Bunkyo-ku, Tokyo, Japan
| | - Kazuto Sato
- Division of Human Development, Graduate School of Human Life Science, Japan Women's University, 2-8-1 Mejirodai, Bunkyo-ku, Tokyo, Japan; Department of Food and Nutrition, Faculty of Human Sciences and Design, Japan Women's University, 2-8-1 Mejirodai, Bunkyo-ku, Tokyo, Japan.
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47
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Ostheimer C, Gunther S, Bache M, Vordermark D, Multhoff G. Dynamics of Heat Shock Protein 70 Serum Levels As a Predictor of Clinical Response in Non-Small-Cell Lung Cancer and Correlation with the Hypoxia-Related Marker Osteopontin. Front Immunol 2017; 8:1305. [PMID: 29093708 PMCID: PMC5651249 DOI: 10.3389/fimmu.2017.01305] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 09/27/2017] [Indexed: 12/17/2022] Open
Abstract
Hypoxia mediates resistance to radio(chemo)therapy (RT) by stimulating the synthesis of hypoxia-related genes, such as osteopontin (OPN) and stress proteins, including the major stress-inducible heat shock protein 70 (Hsp70). Apart from its intracellular localization, Hsp70 is also present on the plasma membrane of viable tumor cells that actively release it in lipid vesicles with biophysical characteristics of exosomes. Exosomal Hsp70 contributes to radioresistance while Hsp70 derived from dying tumor cells can serve as a stimulator of immune cells. Given these opposing traits of extracellular Hsp70 and the unsatisfactory outcome of locally advanced lung tumors, we investigated the role of Hsp70 in the plasma of patients with advanced, non-metastasized non-small-cell lung cancer (NSCLC) before (T1) and 4–6 weeks after RT (T2) in relation to OPN as potential biomarkers for clinical response. Plasma levels of Hsp70 correlate with those of OPN at T1, and high OPN levels are significantly associated with a decreased overall survival (OS). Due to a therapy-induced reduction in viable tumor mass after RT Hsp70 plasma levels dropped significantly at T2 (p = 0.016). However, with respect to the immunostimulatory capacity of Hsp70 derived from dying tumor cells, patients with higher post-therapeutic Hsp70 levels showed a significantly better response to RT (p = 0.034) than those with lower levels at T2. In summary, high OPN plasma levels at T1 are indicative for poor OS, whereas elevated post-therapeutic Hsp70 plasma levels together with a drop of Hsp70 between T1 and T2, successfully predict favorable responses to RT. Monitoring the dynamics of Hsp70 in NSCLC patients before and after RT can provide additional predictive information for clinical outcome and therefore might allow a more rapid therapy adaptation.
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Affiliation(s)
- Christian Ostheimer
- Department of Radiation Oncology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Sophie Gunther
- Department of Radiation Oncology, Klinikum rechts der Isar, Technische Universität München (TUM), Munich, Germany
| | - Matthias Bache
- Department of Radiation Oncology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Dirk Vordermark
- Department of Radiation Oncology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Gabriele Multhoff
- Department of Radiation Oncology, Klinikum rechts der Isar, Technische Universität München (TUM), Munich, Germany
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48
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Lazarev VF, Mikhaylova ER, Guzhova IV, Margulis BA. Possible Function of Molecular Chaperones in Diseases Caused by Propagating Amyloid Aggregates. Front Neurosci 2017; 11:277. [PMID: 28559794 PMCID: PMC5433261 DOI: 10.3389/fnins.2017.00277] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 04/30/2017] [Indexed: 12/14/2022] Open
Abstract
The vast majority of neurodegenerative pathologies stem from the formation of toxic oligomers and aggregates composed of wrongly folded proteins. These protein complexes can be released from pathogenic cells and enthralled by other cells, causing the formation of new aggregates in a prion-like manner. By this mechanism, migrating complexes can transmit a disorder to distant regions of the brain and promote gradually transmitting degenerative processes. Molecular chaperones can counteract the toxicity of misfolded proteins. In this review, we discuss recent data on the possible cytoprotective functions of chaperones in horizontally transmitting neurological disorders.
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Affiliation(s)
- Vladimir F Lazarev
- Laboratory of Cell Protection Mechanisms, Institute of Cytology of the Russian Academy of SciencesSt. Petersburg, Russia
| | - Elena R Mikhaylova
- Laboratory of Cell Protection Mechanisms, Institute of Cytology of the Russian Academy of SciencesSt. Petersburg, Russia
| | - Irina V Guzhova
- Laboratory of Cell Protection Mechanisms, Institute of Cytology of the Russian Academy of SciencesSt. Petersburg, Russia
| | - Boris A Margulis
- Laboratory of Cell Protection Mechanisms, Institute of Cytology of the Russian Academy of SciencesSt. Petersburg, Russia
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Zhao D, Mokhtari R, Pedrosa E, Birnbaum R, Zheng D, Lachman HM. Transcriptome analysis of microglia in a mouse model of Rett syndrome: differential expression of genes associated with microglia/macrophage activation and cellular stress. Mol Autism 2017; 8:17. [PMID: 28367307 PMCID: PMC5372344 DOI: 10.1186/s13229-017-0134-z] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 03/17/2017] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Rett syndrome (RTT) is a severe, neurodevelopmental disorder primarily affecting girls, characterized by progressive loss of cognitive, social, and motor skills after a relatively brief period of typical development. It is usually due to de novo loss of function mutations in the X-linked gene, MeCP2, which codes for the gene expression and chromatin regulator, methyl-CpG binding protein 2. Although the behavioral phenotype appears to be primarily due to neuronal Mecp2 deficiency in mice, other cell types, including astrocytes and oligodendrocytes, also appear to contribute to some aspects of the RTT phenotype. In addition, microglia may also play a role. However, the effect of Mecp2 deficiency in microglia on RTT pathogenesis is controversial. METHODS In the current study, we applied whole transcriptome analysis using RNA-seq to gain insight into molecular pathways in microglia that might be dysregulated during the transition, in female mice heterozygous for an Mecp2-null allele (Mecp2+/-; Het), from the pre-phenotypic (5 weeks) to the phenotypic phases (24 weeks). RESULTS We found a significant overlap in differentially expressed genes (DEGs) with genes involved in regulating the extracellular matrix, and those that are activated or inhibited when macrophages and microglia are stimulated towards the M1 and M2 activation states. However, the M1- and M2-associated genes were different in the 5- and 24-week samples. In addition, a substantial decrease in the expression of nine members of the heat shock protein (HSP) family was found in the 5-week samples, but not at 24 weeks. CONCLUSIONS These findings suggest that microglia from pre-phenotypic and phenotypic female mice are activated in a manner different from controls and that pre-phenotypic female mice may have alterations in their capacity to response to heat stress and other stressors that function through the HSP pathway.
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Affiliation(s)
- Dejian Zhao
- Department of Genetics, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA
| | - Ryan Mokhtari
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA
| | - Erika Pedrosa
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA
| | - Rayna Birnbaum
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA
| | - Deyou Zheng
- Department of Genetics, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA.,Department of Neurology, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA.,Department of Neuroscience, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA
| | - Herbert M Lachman
- Department of Genetics, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA.,Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA.,Department of Neuroscience, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA.,Department of Medicine, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY USA
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50
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Cordonnier M, Chanteloup G, Isambert N, Seigneuric R, Fumoleau P, Garrido C, Gobbo J. Exosomes in cancer theranostic: Diamonds in the rough. Cell Adh Migr 2017; 11:151-163. [PMID: 28166442 DOI: 10.1080/19336918.2016.1250999] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
During the last 10 years, exosomes, which are small vesicles of 50-200 nm diameter of endosomal origin, have aroused a great interest in the scientific and clinical community for their roles in intercellular communication in almost all physiological and pathological processes. Most cells can potentially release these nanovesicles that share with the parent cell a similar lipid bilayer with transmembrane proteins and a panel of enclosed soluble proteins such as heat shock proteins and genetic material, thus acting as potential nanoshuttles of biomarkers. Exosomes surface proteins allow their targeting and capture by recipient cells, while the exosomes' content can modify the physiological state of recipient cells. Tumor derived exosomes by interacting with other cells of the tumor microenvironment modulate tumor progression, angiogenic switch, metastasis, and immune escape. Targeting tumor-derived exosomes might be an interesting approach in cancer therapy. Furthermore, because a key issue to improve cancer patients' outcome relies on earlier cancer diagnosis (metastases, as opposed to the primary tumor, are responsible for most cancer deaths) exosomes have been put forward as promising biomarker candidates for cancer diagnosis and prognosis. This review summarizes the roles of exosomes in cancer and clinical interest, focusing on the importance of exosomal heat shock proteins (HSP). The challenges of clinical translation of HSP-exosomes as therapeutic targets and biomarkers for early cancer detection are also discussed.
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Affiliation(s)
- Marine Cordonnier
- a INSERM, UMR 866, Laboratoire d'Excellence LipSTIC , Dijon , France.,b University of Burgundy, Faculty of Medicine and Pharmacy , Dijon , France
| | - Gaëtan Chanteloup
- a INSERM, UMR 866, Laboratoire d'Excellence LipSTIC , Dijon , France.,b University of Burgundy, Faculty of Medicine and Pharmacy , Dijon , France
| | - Nicolas Isambert
- a INSERM, UMR 866, Laboratoire d'Excellence LipSTIC , Dijon , France.,b University of Burgundy, Faculty of Medicine and Pharmacy , Dijon , France.,c Department of Medical Oncology , Georges-François Leclerc Centre , Dijon , France
| | - Renaud Seigneuric
- a INSERM, UMR 866, Laboratoire d'Excellence LipSTIC , Dijon , France.,b University of Burgundy, Faculty of Medicine and Pharmacy , Dijon , France
| | - Pierre Fumoleau
- c Department of Medical Oncology , Georges-François Leclerc Centre , Dijon , France
| | - Carmen Garrido
- a INSERM, UMR 866, Laboratoire d'Excellence LipSTIC , Dijon , France.,b University of Burgundy, Faculty of Medicine and Pharmacy , Dijon , France.,c Department of Medical Oncology , Georges-François Leclerc Centre , Dijon , France.,d Equipe Labellisée par la Ligue Nationale Contre le Cancer , Paris , France
| | - Jessica Gobbo
- a INSERM, UMR 866, Laboratoire d'Excellence LipSTIC , Dijon , France.,b University of Burgundy, Faculty of Medicine and Pharmacy , Dijon , France.,c Department of Medical Oncology , Georges-François Leclerc Centre , Dijon , France
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