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Avraham M, Sinkovits G, Hurler L, Prohászka Z, Fishelson Z. Circulating mortalin in blood and activation of the alternative complement pathway as risk indicators in COVID-19 infection. Front Immunol 2024; 15:1337215. [PMID: 38715618 PMCID: PMC11074377 DOI: 10.3389/fimmu.2024.1337215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Accepted: 04/04/2024] [Indexed: 06/04/2024] Open
Abstract
Background Mortalin/GRP75 is a ubiquitous mitochondrial chaperone related to the cytosolic heat shock protein 70. It protects cells from various types of damages and from senescence. Our goal was to determine whether COVID-19 patients have circulating mortalin in their blood and to assess its prognostic value in anticipating disease severity. Methods Mortalin was determined by ELISA in the sera of 83 COVID-19 patients enrolled in the study. Patients were categorized into 4 groups: critical patients who died (FATAL) or required intensive care and survived (ICU), patients of mild severity (hospitalized but not critical) who required nasal oxygen support (HOSP+O2), and patients who did not need oxygen therapy (HOSP). Results The mortalin concentration in the serum of all COVID-19 patients in the cohort was 194-2324 pg/mL. A comparison of the mortalin levels by peak severity among the various patient groups showed a highly significant difference between the HOSP and FATAL groups and a significant difference between the HOSP and the ICU groups. COVID-19 patients who eventually failed to survive had at hospitalization a markedly higher level of mortalin in their sera. Cox regression analysis revealed a high mortality hazard (HR=3.96, p<0.01) in patients with high mortalin circulating levels (above the median, ≥651 pg/mL). This was confirmed in survival curve analysis (Kaplan-Meier; p=0.0032, log-rank test). Mortalin remained an independent predictor of mortality even after adjusting for age and sex or various complement activation products. Complement activation data collected in an earlier study in the same cohort was compared regarding the mortalin levels. Patients with higher circulating mortalin levels also had higher levels of complement C3a but reduced levels of properdin. Discussion This is the first report on circulating mortalin in COVID-19 patients. Higher mortalin levels were associated with more severe illnesses and a higher risk of death. We claim that quantifying the blood levels of mortalin and activated complement proteins will provide important information on the prognosis of COVID-19 patients and will serve as a useful tool for guiding their clinical management and treatment.
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Affiliation(s)
- Maya Avraham
- Department of Cell and Developmental Biology, The Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - György Sinkovits
- Department of Internal Medicine and Hematology and Research Group for Immunology and Hematology, Semmelweis University - Eötvös Loránd Research Network (Office for Supported Research Groups), Budapest, Hungary
| | - Lisa Hurler
- Department of Internal Medicine and Hematology and Research Group for Immunology and Hematology, Semmelweis University - Eötvös Loránd Research Network (Office for Supported Research Groups), Budapest, Hungary
| | - Zoltán Prohászka
- Department of Internal Medicine and Hematology and Research Group for Immunology and Hematology, Semmelweis University - Eötvös Loránd Research Network (Office for Supported Research Groups), Budapest, Hungary
| | - Zvi Fishelson
- Department of Cell and Developmental Biology, The Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
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Hu B, Liu G, Zhao K, Zhang G. Diversity of extracellular HSP70 in cancer: advancing from a molecular biomarker to a novel therapeutic target. Front Oncol 2024; 14:1388999. [PMID: 38646439 PMCID: PMC11026673 DOI: 10.3389/fonc.2024.1388999] [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: 02/20/2024] [Accepted: 03/25/2024] [Indexed: 04/23/2024] Open
Abstract
Heat shock protein 70 (HSP70) is a highly conserved protein functioning as a "molecular chaperone", which is integral to protein folding and maturation. In addition to its high expression within cells upon stressful challenges, HSP70 can be translocated to the cell membrane or released from cells in free form or within extracellular vesicles (EVs). Such trafficking of HSP70 is also present in cancer cells, as HSP70 is overexpressed in various types of patient samples across a range of common malignancies, signifying that extracellular HSP70 (eHSP70) can serve as a tumor biomarker. eHSP70 is involved in a broad range of cancer-related events, including cell proliferation and apoptosis, extracellular matrix (ECM) remodeling, epithelial-mesenchymal transition (EMT), angiogenesis, and immune response. eHSP70 can also induce cancer cell resistance to various treatments, such as chemotherapy, radiotherapy, and anti-programmed death-1 (PD-1) immunotherapy. Though the role of eHSP70 in tumors is contradictory, characterized by both pro-tumor and anti-tumor effects, eHSP70 serves as a promising target in cancer treatment. In this review, we comprehensively summarized the current knowledge about the role of eHSP70 in cancer progression and treatment resistance and discussed the feasibility of eHSP70 as a cancer biomarker and therapeutic target.
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Affiliation(s)
- Binbin Hu
- Department of Radiation Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Guihong Liu
- Department of Radiation Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Kejia Zhao
- Department of Thoracic Surgery and Institute of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer, Chengdu, Sichuan, China
| | - Gao Zhang
- Faculty of Dentistry, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
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Park JI. Editorial: The role of mortalin in biology and disease. Front Cell Dev Biol 2023; 11:1196430. [PMID: 37113770 PMCID: PMC10126489 DOI: 10.3389/fcell.2023.1196430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Affiliation(s)
- Jong-In Park
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI, United States
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Rajtak A, Czerwonka A, Pitter M, Kotarski J, Okła K. Clinical Relevance of Mortalin in Ovarian Cancer Patients. Cells 2023; 12:701. [PMID: 36899836 PMCID: PMC10000941 DOI: 10.3390/cells12050701] [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: 01/30/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Background: Ovarian cancer (OC) is the most lethal malignancy of the female reproductive tract. Consequently, a better understanding of the malignant features in OC is pertinent. Mortalin (mtHsp70/GRP75/PBP74/HSPA9/HSPA9B) promotes cancer development, progression, metastasis, and recurrence. Yet, there is no parallel evaluation and clinical relevance of mortalin in the peripheral and local tumor ecosystem in OC patients. Methods: A cohort of 92 pretreatment women was recruited, including 50 OC patients, 14 patients with benign ovarian tumors, and 28 healthy women. Blood plasma and ascites fluid-soluble mortalin concentrations were measured by ELISA. Mortalin protein levels in tissues and OC cells were analyzed using proteomic datasets. The gene expression profile of mortalin in ovarian tissues was evaluated through the analysis of RNAseq data. Kaplan-Meier analysis was used to demonstrate the prognostic relevance of mortalin. Results: First, we found upregulation of local mortalin in two different ecosystems, i.e., ascites and tumor tissues in human OC compared to control groups. Second, abundance expression of local tumor mortalin is associated with cancer-driven signaling pathways and worse clinical outcome. Third, high mortalin level in tumor tissues, but not in the blood plasma or ascites fluid, predicts worse patient prognosis. Conclusions: Our findings demonstrate a previously unknown mortalin profile in peripheral and local tumor ecosystem and its clinical relevance in OC. These novel findings may serve clinicians and investigators in the development of biomarker-based targeted therapeutics and immunotherapies.
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Affiliation(s)
- Alicja Rajtak
- The First Department of Oncologic Gynecology and Gynecology, Medical University of Lublin, 20-081 Lublin, Poland
| | - Arkadiusz Czerwonka
- Department of Biochemistry and Molecular Biology, Medical University of Lublin, 20-081 Lublin, Poland
| | - Michael Pitter
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109-2200, USA
| | - Jan Kotarski
- The First Department of Oncologic Gynecology and Gynecology, Medical University of Lublin, 20-081 Lublin, Poland
| | - Karolina Okła
- The First Department of Oncologic Gynecology and Gynecology, Medical University of Lublin, 20-081 Lublin, Poland
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109-2200, USA
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Seth P. Insights Into the Role of Mortalin in Alzheimer’s Disease, Parkinson’s Disease, and HIV-1-Associated Neurocognitive Disorders. Front Cell Dev Biol 2022; 10:903031. [PMID: 35859895 PMCID: PMC9292388 DOI: 10.3389/fcell.2022.903031] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/06/2022] [Indexed: 11/13/2022] Open
Abstract
Mortalin is a chaperone protein that regulates physiological functions of cells. Its multifactorial role allows cells to survive pathological conditions. Pharmacological, chemical, and siRNA-mediated downregulation of mortalin increases oxidative stress, mitochondrial dysfunction leading to unregulated inflammation. In addition to its well-characterized function in controlling oxidative stress, mitochondrial health, and maintaining physiological balance, recent evidence from human brain autopsies and cell culture–based studies suggests a critical role of mortalin in attenuating the damage seen in several neurodegenerative diseases. Overexpression of mortalin provides an important line of defense against accumulated proteins, inflammation, and neuronal loss, a key characteristic feature observed in neurodegeneration. Neurodegenerative diseases are a group of progressive disorders, sharing pathological features in Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, and HIV-associated neurocognitive disorder. Aggregation of insoluble amyloid beta-proteins and neurofibrillary tangles in Alzheimer’s disease are among the leading cause of neuropathology in the brain. Parkinson’s disease is characterized by the degeneration of dopamine neurons in substantia nigra pars compacta. A substantial synaptic loss leading to cognitive decline is the hallmark of HIV-associated neurocognitive disorder (HAND). Brain autopsies and cell culture studies showed reduced expression of mortalin in Alzheimer’s, Parkinson’s, and HAND cases and deciphered the important role of mortalin in brain cells. Here, we discuss mortalin and its regulation and describe how neurotoxic conditions alter the expression of mortalin and modulate its functions. In addition, we also review the neuroprotective role of mortalin under neuropathological conditions. This knowledge showcases the importance of mortalin in diverse brain functions and offers new opportunities for the development of therapeutic targets that can modulate the expression of mortalin using chemical compounds.
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Affiliation(s)
- Pankaj Seth
- Department of Cellular and Molecular Neuroscience, National Brain Research Centre, Gurgaon, India
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Elwakeel A. Abrogating the Interaction Between p53 and Mortalin (Grp75/HSPA9/mtHsp70) for Cancer Therapy: The Story so far. Front Cell Dev Biol 2022; 10:879632. [PMID: 35493098 PMCID: PMC9047732 DOI: 10.3389/fcell.2022.879632] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 03/15/2022] [Indexed: 11/22/2022] Open
Abstract
p53 is a transcription factor that activates the expression of a set of genes that serve as a critical barrier to oncogenesis. Inactivation of p53 is the most common characteristic in sporadic human cancers. Mortalin is a differentially sub-cellularly localized member of the heat shock protein 70 family of chaperones that has essential mitochondrial and extra-mitochondrial functions. Elevated mortalin levels in multiple cancerous tissues and tumor-derived cell lines emphasized its key role in oncogenesis. One of mortalin’s major oncogenic roles is the inactivation of p53. Mortalin binds to p53 sequestering it in the cytoplasm. Hence, p53 cannot freely shuttle to the nucleus to perform its tumor suppressor functions as a transcription factor. This protein-protein interaction was reported to be cancer-specific, hence, a selective druggable target for a rationalistic cancer therapeutic strategy. In this review article, the chronological identification of mortalin-p53 interactions is summarized, the challenges and general strategies for targeting protein-protein interactions are briefly discussed, and information about compounds that have been reported to abrogate mortalin-p53 interaction is provided. Finally, the reasons why the disruption of this druggable interaction has not yet been applied clinically are discussed.
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Freeling JL, Scholl JL, Eikanger M, Knoblich C, Potts RA, Anderson DJ, Rower JE, Farjoo MH, Zhao H, Pillatzki A, Rezvani K. Pre-clinical safety and therapeutic efficacy of a plant-based alkaloid in a human colon cancer xenograft model. Cell Death Dis 2022; 8:135. [PMID: 35347121 PMCID: PMC8960818 DOI: 10.1038/s41420-022-00936-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 02/23/2022] [Accepted: 03/08/2022] [Indexed: 12/04/2022]
Abstract
A high-throughput drug screen revealed that veratridine (VTD), a natural plant alkaloid, induces expression of the anti-cancer protein UBXN2A in colon cancer cells. UBXN2A suppresses mortalin, a heat shock protein, with dominant roles in cancer development including epithelial–mesenchymal transition (EMT), cancer cell stemness, drug resistance, and apoptosis. VTD-dependent expression of UBXN2A leads to the deactivation of mortalin in colon cancer cells, making VTD a potential targeted therapy in malignant tumors with high levels of mortalin. VTD was used clinically for the treatment of hypertension in decades past. However, the discovery of newer antihypertensive drugs and concerns over potential neuro- and cardiotoxicity ended the use of VTD for this purpose. The current study aims to determine the safety and efficacy of VTD at doses sufficient to induce UBXN2A expression in a mouse model. A set of flow-cytometry experiments confirmed that VTD induces both early and late apoptosis in a dose-dependent manner. In vivo intraperitoneal (IP) administration of VTD at 0.1 mg/kg every other day (QOD) for 4 weeks effectively induced expression of UBXN2A in the small and large intestines of mice. Liquid chromatography–tandem mass spectrometry (LC–MS/MS) assays on tissues collected from VTD-treated animals demonstrated VTD concentrations in the low pg/mg range. To address concerns regarding neuro- and cardiotoxicity, a comprehensive set of behavioral and cardiovascular assessments performed on C57BL/6NHsd mice revealed that VTD generates no detectable neurotoxicity or cardiotoxicity in animals receiving 0.1 mg/kg VTD QOD for 30 days. Finally, mouse xenograft experiments in athymic nude mice showed that VTD can suppress tumor growth. The main causes for the failure of experimental oncologic drug candidates are lack of sufficient safety and efficacy. The results achieved in this study support the potential utility of VTD as a safe and efficacious anti-cancer molecule.
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Wang M, Chen X, Zhang H, Li L, Xu Y, Lu W, Lu Y. ENSMUST00000147869 regulates proliferation and fibrosis of mesangial cells in diabetic nephropathy by interacting with Hspa9. IUBMB Life 2022; 74:419-432. [PMID: 35103378 DOI: 10.1002/iub.2599] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 01/05/2022] [Accepted: 01/13/2022] [Indexed: 11/07/2022]
Abstract
AIMS Our previous study showed that ENSMUST00000147869 was abnormally low expressed in the early stage of diabetic nephropathy (DN). ENSMUST00000147869 could inhibit the fibrosis and proliferation of mouse mesangial cells (MMCs), but the mechanism is still unclear. This study aims to explore the specific mechanism underline ENSMUST00000147869 regulates the proliferation and fibrosis of MMCs in DN. METHODS Nucleocytoplasmic fractionation was applied to define the location of ENSMUST00000147869 in MMCs. RNA-protein pulldown, RNA immunoprecipitation and mass spectrometry were used to identify upregulated Hspa9 directly interacting with ENSMUST00000147869. SiRNA and lentivirus packaging were used to clarify the role of Hspa9 downregulated by ENSMUST00000147869 in promoting proliferation and fibrosis in MMCs. CHX and MG132 were used to clarify the regulatory role of ENSMUST00000147869 to Hspa9. Immunoprecipitation confirmed the binding of Hspa9 and HMGB1. RESULTS HSPA9 was a direct binding protein of ENSMUST00000147869, and ENSMUST00000147869 could inhibit proliferation and fibrosis of MMCs by down-regulating HSPA9 through ubiquitination process. HMGB1 was the downstream binding protein of Hspa9, and ENSMUST00000147869 could inhibit the interaction between Hspa9 and HMGB1. CONCLUSION Our data showed that ENSMUST00000147869 regulates Hspa9 through the ubiquitin proteasome pathway, and inhibits the binding of Hspa9 and HMGB1. ENSMUST00000147869/Hspa9/HMGB1 axis may act as a diagnostic molecular marker and an effective therapeutic target for DN. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Min Wang
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Department of Endocrinology and Metabolism, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Xin Chen
- Department of Endocrinology and Metabolism, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Henglu Zhang
- Department of Endocrinology and Metabolism, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Lanlan Li
- Department of Endocrinology and Metabolism, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Yang Xu
- Department of Endocrinology and Metabolism, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Weiping Lu
- Department of Endocrinology and Metabolism, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Yibing Lu
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
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Rai R, Kennedy AL, Isingizwe ZR, Javadian P, Benbrook DM. Similarities and Differences of Hsp70, hsc70, Grp78 and Mortalin as Cancer Biomarkers and Drug Targets. Cells 2021; 10:cells10112996. [PMID: 34831218 PMCID: PMC8616428 DOI: 10.3390/cells10112996] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 12/17/2022] Open
Abstract
Background: Upregulation of Heath Shock Protein 70 (HSP70) chaperones supports cancer cell survival. Their high homology causes a challenge to differentiate them in experimental or prevention and treatment strategies. The objective of this investigation was to determine similarities and differences of Hsp70, hsc70, Grp78 and Mortalin members of the HSP70 family encoded by HSPA1, HSPA8, HSPA5 and HSPA9 genes, respectively. Methods: Literature reviews were conducted using HSPA1, HSPA5, HSPA8 and HSPA9 gene or protein names or synonyms combined with biological or cancer-relevant terms. Ingenuity Pathway Analysis was used to identify and compare profiles of proteins that directly bind individual chaperones and their associated pathways. TCGA data was probed to identify associations of hsc70 with cancer patient survival. ClinicalTrials.gov was used to identify HSP70 family studies. Results: The chaperones have similar protein folding functions. Their different cellular effects are determined by co-chaperones and client proteins combined with their intra- and extra-cellular localizations. Their upregulation is associated with worse patient prognosis in multiple cancers and can stimulate tumor immune responses or drug resistance. Their inhibition selectively kills cancer over healthy cells. Conclusions: Differences in Hsp70, hsc70, Grp78 and mortalin provide opportunities to calibrate HSP70 inhibitors for individual cancers and combination therapies.
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Affiliation(s)
- Rajani Rai
- Gynecologic Oncology Section, Obstetrics and Gynecology Department, Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (R.R.); (P.J.)
| | - Amy L. Kennedy
- Pathology Department, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
| | - Zitha Redempta Isingizwe
- Pharmaceutical Sciences Department, Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
| | - Pouya Javadian
- Gynecologic Oncology Section, Obstetrics and Gynecology Department, Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (R.R.); (P.J.)
| | - Doris Mangiaracina Benbrook
- Gynecologic Oncology Section, Obstetrics and Gynecology Department, Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; (R.R.); (P.J.)
- Pathology Department, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
- Pharmaceutical Sciences Department, Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
- Correspondence: ; Tel.: +1-405-271-5523
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Kuhara K, Kitagawa T, Baron B, Tokuda K, Sakamoto K, Nagano H, Nakamura K, Kobayashi M, Nagayasu H, Kuramitsu Y. Proteomic Analysis of Hepatocellular Carcinoma Tissues With Encapsulation Shows Up-regulation of Leucine Aminopeptidase 3 and Phosphoenolpyruvate Carboxykinase 2. Cancer Genomics Proteomics 2021; 18:307-316. [PMID: 33893083 DOI: 10.21873/cgp.20261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND/AIM Cancer is the most fatal disease worldwide whose most lethal characteristics are invasion and metastasis. Hepatocellular carcinoma (HCC) is one of the most fatal cancers worldwide. HCC often shows encapsulation, which is related to better prognosis. In this study, proteomic analysis of HCC tissues with and without encapsulation was performed, in order to elucidate the factors which play important roles in encapsulation. MATERIALS AND METHODS Five HCC tissues surrounded by a capsule and five HCC tissues which broke the capsule were obtained from patients diagnosed with HCC who underwent surgical liver resection. Protein samples from these tissues were separated by two-dimensional gel electrophoresis (2-DE), and the protein spots whose expression was different between encapsulated and non-encapsulated HCC tissues were identified through gel imaging analysis software. The selected protein spots were analyzed and identified by liquid chromatography-tandem mass spectrometry (LC-MS/MS). RESULTS Two-DE analysis showed 14 spots whose expression was different between encapsulated and non-encapsulated HCC tissues. Of these, 9 were up-regulated and 5 were down-regulated in HCC tissues without encapsulation. The validation by Western blot confirmed that leucine aminopeptidase 3 (LAP3) and phosphoenolpyruvate carboxykinase mitochondrial (PCK2) were up-regulated significantly in HCC tissues with a capsule, compared to HCC tissues that broke the capsule. CONCLUSION These findings suggest that LAP3 and PCK2 could be factors responsible for the maintenance of encapsulation in HCC tissues.
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Affiliation(s)
- Keisuke Kuhara
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan.,Division of Oral and Maxillofacial Surgery, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Takao Kitagawa
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Byron Baron
- Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta
| | - Kazuhiro Tokuda
- Graduate School of Health and Welfare, Yamaguchi Prefectural University, Yamaguchi, Japan
| | - Kazuhiko Sakamoto
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Hiroaki Nagano
- Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Kazuyuki Nakamura
- Centre of Clinical Laboratories in Tokuyama Medical Association Hospital, Shunan, Japan
| | - Masanobu Kobayashi
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Hiroki Nagayasu
- Division of Oral and Maxillofacial Surgery, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Yasuhiro Kuramitsu
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan;
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The Prognostic Significance of Hsp70 in Patients with Colorectal Cancer Patients: A PRISMA-Compliant Meta-Analysis. BIOMED RESEARCH INTERNATIONAL 2021; 2021:5526327. [PMID: 33954173 PMCID: PMC8064787 DOI: 10.1155/2021/5526327] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/31/2021] [Accepted: 04/06/2021] [Indexed: 12/11/2022]
Abstract
Background Hsp70 (heat shock protein 70) plays a key role in carcinogenesis and cancer progression. However, the relationship between the Hsp70 expression level and the colorectal cancer patient survival is unknown. This study is aimed at investigating the relationship between Hsp70 and the prognosis of colorectal carcinoma patients. Methods PubMed, Web of Science, and Embase were used for systematic computer literature retrieval. Stata SE14.0 software was used for quantitative meta-analysis. Besides, data was extracted from selected articles. Relationships between Hsp70 expression level and prognosis were further studied. The hazard ratios (HRs) and 95% confidence intervals (95% CIs) were also computed. Results A total of 11 potentially eligible studies with 2269 patients were identified in 10 tumors from PubMed, Web of Science, and Embase. Hsp70 overexpression was associated with poor overall survival (OS) and disease-free survival (DFS) in colorectal carcinoma patients (HRs, 0.65 (95% CI: 0.52-0.78) and 0.77 (95% CI: 0.23-1.32), respectively). Conclusions Hsp70 overexpression can predict poor survival in colorectal cancer patients.
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Sari AN, Elwakeel A, Dhanjal JK, Kumar V, Sundar D, Kaul SC, Wadhwa R. Identification and Characterization of Mortaparib Plus-A Novel Triazole Derivative That Targets Mortalin-p53 Interaction and Inhibits Cancer-Cell Proliferation by Wild-Type p53-Dependent and -Independent Mechanisms. Cancers (Basel) 2021; 13:cancers13040835. [PMID: 33671256 PMCID: PMC7921971 DOI: 10.3390/cancers13040835] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/04/2021] [Accepted: 02/10/2021] [Indexed: 12/24/2022] Open
Abstract
p53 has an essential role in suppressing the carcinogenesis process by inducing cell cycle arrest/apoptosis/senescence. Mortalin/GRP75 is a member of the Hsp70 protein family that binds to p53 causing its sequestration in the cell cytoplasm. Hence, p53 cannot translocate to the nucleus to execute its canonical tumour suppression function as a transcription factor. Abrogation of mortalin-p53 interaction and subsequent reactivation of p53's tumour suppression function has been anticipated as a possible approach in developing a novel cancer therapeutic drug candidate. A chemical library was screened in a high-content screening system to identify potential mortalin-p53 interaction disruptors. By four rounds of visual assays for mortalin and p53, we identified a novel synthetic small-molecule triazole derivative (4-[(1E)-2-(2-phenylindol-3-yl)-1-azavinyl]-1,2,4-triazole, henceforth named MortaparibPlus). Its activities were validated using multiple bioinformatics and experimental approaches in colorectal cancer cells possessing either wild-type (HCT116) or mutant (DLD-1) p53. Bioinformatics and computational analyses predicted the ability of MortaparibPlus to competitively prevent the interaction of mortalin with p53 as it interacted with the p53 binding site of mortalin. Immunoprecipitation analyses demonstrated the abrogation of mortalin-p53 complex formation in MortaparibPlus-treated cells that showed growth arrest and apoptosis mediated by activation of p21WAF1, or BAX and PUMA signalling, respectively. Furthermore, we demonstrate that MortaparibPlus-induced cytotoxicity to cancer cells is mediated by multiple mechanisms that included the inhibition of PARP1, up-regulation of p73, and also the down-regulation of mortalin and CARF proteins that play critical roles in carcinogenesis. MortaparibPlus is a novel multimodal candidate anticancer drug that warrants further experimental and clinical attention.
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Affiliation(s)
- Anissa Nofita Sari
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Central 5-41, Tsukuba 305-8565, Japan; (A.N.S.); (A.E.); (J.K.D.)
- School of Integrative & Global Majors (SIGMA), University of Tsukuba, Tsukuba 305-8577, Japan
| | - Ahmed Elwakeel
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Central 5-41, Tsukuba 305-8565, Japan; (A.N.S.); (A.E.); (J.K.D.)
- School of Integrative & Global Majors (SIGMA), University of Tsukuba, Tsukuba 305-8577, Japan
| | - Jaspreet Kaur Dhanjal
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Central 5-41, Tsukuba 305-8565, Japan; (A.N.S.); (A.E.); (J.K.D.)
| | - Vipul Kumar
- DAILAB, Department of Biochemical Engineering & Biotechnology, Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110-016, India; (V.K.); (D.S.)
| | - Durai Sundar
- DAILAB, Department of Biochemical Engineering & Biotechnology, Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi 110-016, India; (V.K.); (D.S.)
| | - Sunil C. Kaul
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Central 5-41, Tsukuba 305-8565, Japan; (A.N.S.); (A.E.); (J.K.D.)
- Correspondence: (S.C.K.); (R.W.)
| | - Renu Wadhwa
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Central 5-41, Tsukuba 305-8565, Japan; (A.N.S.); (A.E.); (J.K.D.)
- School of Integrative & Global Majors (SIGMA), University of Tsukuba, Tsukuba 305-8577, Japan
- Correspondence: (S.C.K.); (R.W.)
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13
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Ma K, Li N, Yan X, Zhu Y, Zhang C. Energy deficiency caused by CTPS downregulation in decidua may contribute to pre-eclampsia by impairing decidualization. J Cell Physiol 2021; 236:6520-6533. [PMID: 33576499 DOI: 10.1002/jcp.30326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 01/28/2021] [Accepted: 02/01/2021] [Indexed: 11/10/2022]
Abstract
Pre-eclampsia (PE) is a pregnancy-related disorder that occurs after 20 weeks of gestation. It seriously affects the health of maternity and the fetus. However, the pathogenesis of PE is still unknown. Decidualization deficiency is considered a contributing factor to the development of PE. CTP synthetase (CTPS) which is the rate-limiting enzyme in the CTP de novo biosynthesis, is essential for nucleic acid synthesis and cellular energy metabolism, and often appears as cytoophidium in many cell types. Here, we found that the expression of CTPS was significantly downregulated in decidual tissues of patients with severe PE compared with healthy pregnant women. During in vitro decidualization, changes in CTPS were accompanied by opposite fluctuation of the AMPK signaling pathway. Moreover, the downregulation of CTPS by glutamine analogs or CTPS small interfering RNA inhibited the decidualization process and the AMPK signaling pathway. Investigating the underlying mechanism of action by co-immunoprecipitation coupled with mass spectrometry showed that CTPS interacted with ATP synthase (ATPS) and maintained the content of ATP on Day 3 of decidualization. However, when combined with mitochondrial stress protein STRESS-70 instead of ATPS, the concentration of ATP on Day 6 of induction was reduced. Corresponding to this, CTPS was mainly distributes in the cytoplasm on Day 3 of induction, while it appeared both in the cytoplasm and the nucleus on Day 6 in decidualized cells, which was similar to that in cells before induction. In summary, we believe that CTPS plays an important role in decidualization by participating in energy metabolism. Abnormal expression of CTPS in decidualization would lead to abnormal decidualization and consequently result in the occurrence of PE.
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Affiliation(s)
- Ke Ma
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China
| | - Na Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China
| | - Xingyu Yan
- School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Yunqing Zhu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China
| | - Cong Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Ji'nan, Shandong, China.,Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China
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14
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Jiao D, Zhang J, Chen P, Guo X, Qiao J, Zhu J, Wang L, Lu Z, Liu Z. HN1L promotes migration and invasion of breast cancer by up-regulating the expression of HMGB1. J Cell Mol Med 2021; 25:397-410. [PMID: 33191617 PMCID: PMC7810958 DOI: 10.1111/jcmm.16090] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 09/01/2020] [Accepted: 10/11/2020] [Indexed: 02/06/2023] Open
Abstract
Recent reports showed that haematological and neurological expressed 1-like (HN1L) gene participated in tumorigenesis and tumour invasion. However, the expression and role of HN1L in breast cancer remain to be investigated. Here, bioinformatics, western blot and immunohistochemistry were used to detect the expression of HN1L in breast cancer. Wound healing, transwell assay, immunofluorescence assay and mass spectrum were used to explore the role and mechanism of HN1L on the migration and invasion of breast cancer, which was confirmed in vivo using a nude mice model. Results showed that HN1L was significantly over-expressed in breast cancer tissues, which was positively correlated with M metastasis of breast cancer patients. Silencing HN1L significantly inhibited the invasion and metastasis of breast cancer cells in vitro and lung metastasis in nude mice metastasis model of breast cancer. Mechanistically, HN1L interacted with HSPA9 and affected the expression of HMGB1, playing a key role in promoting the invasion and metastasis of breast cancer cell. These results suggested that HN1L was an appealing drug target for breast cancer.
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Affiliation(s)
- Dechuang Jiao
- Department of Breast DiseaseHenan Breast Cancer CenterAffiliated Cancer Hospital of Zhengzhou University & Henan Cancer HospitalZhengzhouChina
| | - Jingyang Zhang
- Department of Breast DiseaseHenan Breast Cancer CenterAffiliated Cancer Hospital of Zhengzhou University & Henan Cancer HospitalZhengzhouChina
| | - Ping Chen
- College of Basic Medical SciencesCollaborative Innovation Center of Henan Province for Cancer ChemopreventionZhengzhou UniversityZhengzhouChina
| | - Xuhui Guo
- Department of Breast DiseaseHenan Breast Cancer CenterAffiliated Cancer Hospital of Zhengzhou University & Henan Cancer HospitalZhengzhouChina
| | - Jianghua Qiao
- Department of Breast DiseaseHenan Breast Cancer CenterAffiliated Cancer Hospital of Zhengzhou University & Henan Cancer HospitalZhengzhouChina
| | - Jiujun Zhu
- Department of Breast DiseaseHenan Breast Cancer CenterAffiliated Cancer Hospital of Zhengzhou University & Henan Cancer HospitalZhengzhouChina
| | - Lina Wang
- Department of Breast DiseaseHenan Breast Cancer CenterAffiliated Cancer Hospital of Zhengzhou University & Henan Cancer HospitalZhengzhouChina
| | - Zhenduo Lu
- Department of Breast DiseaseHenan Breast Cancer CenterAffiliated Cancer Hospital of Zhengzhou University & Henan Cancer HospitalZhengzhouChina
| | - Zhenzhen Liu
- Department of Breast DiseaseHenan Breast Cancer CenterAffiliated Cancer Hospital of Zhengzhou University & Henan Cancer HospitalZhengzhouChina
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15
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Zhang R, Meng Z, Wu X, Zhang M, Zhang S, Jin T. Mortalin promotes breast cancer malignancy. Exp Mol Pathol 2020; 118:104593. [PMID: 33309613 DOI: 10.1016/j.yexmp.2020.104593] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 11/27/2020] [Accepted: 12/06/2020] [Indexed: 02/07/2023]
Abstract
Mortalin is a member of the heat shock protein 70 (HSP70) family that promotes the development of many cancers. It is reportedly a tumor promoter, but the mechanism of Mortalin in breast cancer is unclear. We designed a series of experiments to explore the correlation between Mortalin and the malignancy of breast cancer, and to assess the potential of Mortalin as a novel therapeutic target in breast cancer. The expression level of Mortalin in breast cancer tissues was detected. Then, we did a series of functional experiment. The findings indicated that Mortalin facilitates the proliferation, metastasis, and endothelial-to-mesenchymal transition (EMT) process of breast cancer. In our research, Mortalin is regulated EMT process and malignant progression of breast cancer through Wnt/β-Catenin signaling pathway. The findings imply that Mortalin significantly promotes the progression of breast cancer malignancy and reduces patient survival, suggesting that Mortalin as a biomarker and prognostic factor in breast cancer.
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Affiliation(s)
- Rui Zhang
- Department of Pathology and Cancer Research Center, Yanbian University Medical College, Yanji 133002, China; Key Laboratory of the Science and Technology, Department of Jilin Province, Yanji, China
| | - Ziqi Meng
- Department of Pathology and Cancer Research Center, Yanbian University Medical College, Yanji 133002, China; Key Laboratory of the Science and Technology, Department of Jilin Province, Yanji, China
| | - Xuwei Wu
- Department of Pathology and Cancer Research Center, Yanbian University Medical College, Yanji 133002, China; Key Laboratory of the Science and Technology, Department of Jilin Province, Yanji, China
| | - Meihua Zhang
- Department of Health Examination Centre, Yanbian University Hospital, Yanji 133002, China.
| | - Songnan Zhang
- Department of Oncology, Yanbian University Hospital, Yanji 133002, China
| | - Tiefeng Jin
- Department of Pathology and Cancer Research Center, Yanbian University Medical College, Yanji 133002, China; Key Laboratory of the Science and Technology, Department of Jilin Province, Yanji, China.
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16
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Jubran R, Saar-Ray M, Wawruszak A, Ziporen L, Donin N, Bairey O, Fishelson Z. Mortalin peptides exert antitumor activities and act as adjuvants to antibody-mediated complement-dependent cytotoxicity. Int J Oncol 2020; 57:1013-1026. [PMID: 32700755 DOI: 10.3892/ijo.2020.5101] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 06/09/2020] [Indexed: 11/06/2022] Open
Abstract
Cancer cells have developed numerous strategies to maintain their proliferative capacity and to withstand different kinds of stress. The mitochondrial stress‑70 protein named glucose regulated protein 75 (GRP75), also known as mortalin, is an intriguing cancer pro‑survival factor. It is constitutively expressed in normal tissues but is upregulated in many tumors, and was shown to be a cancer prognostic biomarker. Mortalin is an inhibitor of complement‑dependent cytotoxicity (CDC) and may therefore protect cells from antibody‑based immunotherapy. To target mortalin for cancer therapy, our laboratory designed several mortalin mimetic peptides with sequences predicted to be involved in mortalin binding to its client proteins. The peptides were synthesized with a C‑terminal transactivator of transcription sequence. By using cell death methodologies, the mechanism of action of the mortalin mimetic peptides on cancer cells was studied. Two peptides in particular, Mot‑P2 and Mot‑P7, were found to be highly toxic to lymphoma and ovarian, breast and prostate carcinoma cells. The analysis of their mode of action revealed that they may induce, within minutes, plasma membrane perturbations and mitochondrial stress. Furthermore, Mot‑P2 and Mot‑P7 activated necrotic cell death, leading to plasma membrane perforation, mitochondrial inner membrane depolarization and decrease in ATP level. In addition, Mot‑P7, but not Mot‑P2, required extracellular calcium ions to fully mediate cell death and was partially inhibited by plasma membrane cholesterol. At sub‑toxic concentrations, the two peptides moderately inhibited cancer cell proliferation and blocked cell cycle at G2/M. Both peptides may bind intracellularly to mortalin and/or a mortalin‑binding protein, hence knocking down mortalin expression reduced cell death. Combining treatment with Mot‑P2 or Mot‑P7 and CDC resulted in increased cell death. This study identified highly cytotoxic mortalin mimetic peptides that may be used as monotherapy or combined with complement‑activating antibody therapy to target mortalin for precision cancer therapy.
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Affiliation(s)
- Ritta Jubran
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Moran Saar-Ray
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Anna Wawruszak
- Department of Biochemistry and Molecular Biology, Medical University of Lublin, Lublin 20-093, Poland
| | - Lea Ziporen
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Natalie Donin
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Osnat Bairey
- Institute of Hematology, Davidoff Cancer Center, Rabin Medical Center - Beilinson Hospital, Petach Tikva 49100, and the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Zvi Fishelson
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
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17
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Apoptosis-Inducing Factor, Mitochondrion-Associated 3 (AIFM3) Protein Level in the Sera as a Prognostic Marker of Cholangiocarcinoma Patients. Biomolecules 2020; 10:biom10071021. [PMID: 32664187 PMCID: PMC7408035 DOI: 10.3390/biom10071021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/05/2020] [Accepted: 07/07/2020] [Indexed: 12/17/2022] Open
Abstract
Prognosis of cholangiocarcinoma (CCA) patients is absolutely poor. Since improvement of prognosis and/or response to treatment by personalized and precision treatments requires earlier and precise diagnostic markers, discovery of prognostic markers attracts more attention. Apoptosis-inducing factor, mitochondrion-associated 3 (AIFM3) is highly expressed in several cancers including CCA. The present study investigated whether the serum AIFM3 level can be used as a potential marker for CCA prognosis. For this purpose, we first determined secretory protein nature of AIFM3 using bioinformatic tools. The results show that although AIFM3 lacks signal peptide, it can be secreted into plasma/serum via an unconventional pathway. Then, the AIFM3 levels in the sera of 141 CCA patients and 70 healthy controls (HC) were measured using a semi-quantitative dot blot assay. The results show that the AIFM3 level in the sera of CCA group was significantly higher than that of HC. When correlation between serum AIFM3 levels and the clinicopathological parameters of CCA patients were examined, serum AIFM3 levels correlated significantly with lymph node metastasis, age, and the patients’ overall survival (OS). Higher AIFM3 levels were significantly associated with shorter OS, and only AIFM3 was an independent prognostic marker for CCA. In conclusion, AIFM3 can be used as a prognostic marker for CCA.
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18
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Pouliquen DL, Boissard A, Coqueret O, Guette C. Biomarkers of tumor invasiveness in proteomics (Review). Int J Oncol 2020; 57:409-432. [PMID: 32468071 PMCID: PMC7307599 DOI: 10.3892/ijo.2020.5075] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 05/07/2020] [Indexed: 12/13/2022] Open
Abstract
Over the past two decades, quantitative proteomics has emerged as an important tool for deciphering the complex molecular events involved in cancers. The number of references involving studies on the cancer metastatic process has doubled since 2010, while the last 5 years have seen the development of novel technologies combining deep proteome coverage capabilities with quantitative consistency and accuracy. To highlight key findings within this huge amount of information, the present review identified a list of tumor invasive biomarkers based on both the literature and data collected on a biocollection of experimental cell lines, tumor models of increasing invasiveness and tumor samples from patients with colorectal or breast cancer. Crossing these different data sources led to 76 proteins of interest out of 1,245 mentioned in the literature. Information on these proteins can potentially be translated into clinical prospects, since they represent potential targets for the development and evaluation of innovative therapies, alone or in combination. Herein, a systematical review of the biology of each of these proteins, including their specific subcellular/extracellular or multiple localizations is presented. Finally, as an important advantage of quantitative proteomics is the ability to provide data on all these molecules simultaneously in cell pellets, body fluids or paraffin‑embedded sections of tumors/invaded tissues, the significance of some of their interconnections is discussed.
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Affiliation(s)
| | - Alice Boissard
- Paul Papin ICO Cancer Center, CRCINA, Inserm, Université d'Angers, F‑44000 Nantes, France
| | | | - Catherine Guette
- Paul Papin ICO Cancer Center, CRCINA, Inserm, Université d'Angers, F‑44000 Nantes, France
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19
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Garg S, Wu C, Ohmiya Y, Kaul SC, Wadhwa R. Express ELISA for detection of mortalin. Biotechniques 2019; 67:166-171. [PMID: 31502469 DOI: 10.2144/btn-2018-0158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Mortalin is a widely studied stress chaperone that plays a significant role in diseases such as cancer, diabetes mellitus, liver cirrhosis, neurodegeneration and generalized aging. Based on these, the level of mortalin expression has been predicted to be an important and valuable diagnostic and prognostic marker. Conventional methods of protein analyses, such as Western blotting, immunohistochemistry or ELISA with antibodies provide specific, sensitive and useful outcomes. However, they are limited by lengthy and time-consuming protocols. Here, we present an upgrade to the existing ELISA techniques. We have prepared a conjugate of anti-mortalin antibody and luciferase enzyme that can be recruited for rapid (∼3 h) and quantitative detection of mortalin expression in a given biological sample.
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Affiliation(s)
- Sukant Garg
- DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan.,School of Integrative & Global Majors, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Chun Wu
- DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan
| | - Yoshihiro Ohmiya
- DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan
| | - Sunil C Kaul
- DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan
| | - Renu Wadhwa
- DAILAB, DBT-AIST International Center for Translational & Environmental Research (DAICENTER), National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba 305-8565, Japan.,School of Integrative & Global Majors, University of Tsukuba, Tsukuba 305-8577, Japan
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20
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Moradi-Marjaneh R, Paseban M, Moradi Marjaneh M. Hsp70 inhibitors: Implications for the treatment of colorectal cancer. IUBMB Life 2019; 71:1834-1845. [PMID: 31441584 DOI: 10.1002/iub.2157] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 07/12/2019] [Indexed: 12/22/2022]
Abstract
Colorectal cancer (CRC) is one of the most common malignancies in the world. Despite intensive advances in diagnosis and treatment of CRC, it is yet one of the leading cause of cancer related morbidity and mortality. Therefore, there is an urgent medical need for alternative therapeutic approaches to treat CRC. The 70 kDa heat shock proteins (Hsp70s) are a family of evolutionary conserved heat shock proteins, which play an important role in cell homeostasis and survival. They overexpress in various types of malignancy including CRC and are typically accompanied with poor prognosis. Hence, inhibition of Hsp70 may be considered as a striking chemotherapeutic avenue. This review summarizes the current knowledge on the progress made so far to discover compounds, which target the Hsp70 family, with particular emphasis on their efficacy in treatment of CRC. We also briefly explain the induction of Hsp70 as a strategy to prevent CRC.
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Affiliation(s)
| | - Maryam Paseban
- Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahdi Moradi Marjaneh
- Cancer Division, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
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21
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Rothammer A, Sage EK, Werner C, Combs SE, Multhoff G. Increased heat shock protein 70 (Hsp70) serum levels and low NK cell counts after radiotherapy - potential markers for predicting breast cancer recurrence? Radiat Oncol 2019; 14:78. [PMID: 31077235 PMCID: PMC6509784 DOI: 10.1186/s13014-019-1286-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 04/29/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Breast cancer is the most common invasive tumor in women worldwide and the second cause of cancer-related deaths. After breast conserving surgery the tumor bed gets irradiated. Radiation-induced tumor cell death has been found to be associated with the release of damage-associated molecular patterns (DAMPs) including free Hsp70 that can stimulate inflammatory immune responses. Therefore, Hsp70 serum levels as well as the composition of lymphocyte subpopulations have been measured in breast cancer patients during therapy and in the follow-up period as potential predictors for clinical outcome. METHODS The serum of 40 breast cancer patients, who received a breast-conserving surgery and adjuvant radiotherapy (RT) was examined for soluble, free Hsp70 using the R&D Human HSP70 DuoSet and lipHsp70 ELISA. Lymphocyte subpopulations and total lymphocyte counts were analysed by multiparameter flow cytometry in the peripheral blood. Blood samples were collected before (t1), after 30 Gy (t2) and 60 Gy (t3), 6 weeks (t4), 6 months (t5) and 1 year (t6) after RT. Clinical responses were assessed regularly up to 5 years after RT. RESULTS Patients who developed a contralateral recurrence or metastases within the first 2 years after RT had significantly higher serum Hsp70 values at the end of RT (t3; p = 0.03) up to 6 weeks after RT (t4; p = 0.007) compared to patients who either remained disease-free or developed a secondary endometrial carcinoma. Clinicopathological parameters such as age, tumor size, grading and TNM-stage of the resected tumors, adjuvant chemotherapy and irradiation dose did not affect serum Hsp70 levels. Elevated free Hsp70 levels might be indicative for a chronic inflammatory response which could support tumor recurrence. Lymphocyte subpopulation analysis revealed lower NK cell counts after RT in recurrence/metastases patients as compared to disease-free patients. In contrast, no significant changes were observed in the proportion of T and B cells. CONCLUSION Longitudinal elevated serum levels of free Hsp70 up to 6 weeks after RT and dropping NK cell counts might be predictive for an unfavourable prognosis in patients with breast cancer.
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Affiliation(s)
- Anna Rothammer
- Center for Translational Cancer research (TranslaTUM), Radiation Immuno-Oncology Group, Technical University of Munich (TUM), School of Medicine, Klinikum rechts der Isar, Einsteinstr. 25, 81675, Munich, Germany
| | - Eva K Sage
- Department of Radiation Oncology, Technical University of Munich (TUM), School of Medicine, Klinikum rechts der Isar TUM, Munich, Germany
| | - Caroline Werner
- Center for Translational Cancer research (TranslaTUM), Radiation Immuno-Oncology Group, Technical University of Munich (TUM), School of Medicine, Klinikum rechts der Isar, Einsteinstr. 25, 81675, Munich, Germany
| | - Stephanie E Combs
- Department of Radiation Oncology, Technical University of Munich (TUM), School of Medicine, Klinikum rechts der Isar TUM, Munich, Germany.,Deutsches Konsortium für Translationale Krebsforschung (DKTK), partner site, Munich, Germany.,Institute of Radiation Medicine (IRM), Helmholtz Zentrum München, Oberschleißheim, Germany
| | - Gabriele Multhoff
- Center for Translational Cancer research (TranslaTUM), Radiation Immuno-Oncology Group, Technical University of Munich (TUM), School of Medicine, Klinikum rechts der Isar, Einsteinstr. 25, 81675, Munich, Germany. .,Department of Radiation Oncology, Technical University of Munich (TUM), School of Medicine, Klinikum rechts der Isar TUM, Munich, Germany.
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22
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Vlaicu SI, Tatomir A, Rus V, Rus H. Role of C5b-9 and RGC-32 in Cancer. Front Immunol 2019; 10:1054. [PMID: 31156630 PMCID: PMC6530392 DOI: 10.3389/fimmu.2019.01054] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 04/24/2019] [Indexed: 01/13/2023] Open
Abstract
The complement system represents an effective arsenal of innate immunity as well as an interface between innate and adaptive immunity. Activation of the complement system culminates with the assembly of the C5b-9 terminal complement complex on cell membranes, inducing target cell lysis. Translation of this sequence of events into a malignant setting has traditionally afforded C5b-9 a strict antitumoral role, in synergy with antibody-dependent tumor cytolysis. However, in recent decades, a plethora of evidence has revised this view, highlighting the tumor-promoting properties of C5b-9. Sublytic C5b-9 induces cell cycle progression by activating signal transduction pathways (e.g., Gi protein/ phosphatidylinositol 3-kinase (PI3K)/Akt kinase and Ras/Raf1/ERK1) and modulating the activation of cancer-related transcription factors, while shielding malignant cells from apoptosis. C5b-9 also induces Response Gene to Complement (RGC)-32, a gene that contributes to cell cycle regulation by activating the Akt and CDC2 kinases. RGC-32 is expressed by tumor cells and plays a dual role in cancer, functioning as either a tumor promoter by endorsing malignancy initiation, progression, invasion, metastasis, and angiogenesis, or as a tumor suppressor. In this review, we present recent data describing the versatile, multifaceted roles of C5b-9 and its effector, RGC-32, in cancer.
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Affiliation(s)
- Sonia I Vlaicu
- Department of Internal Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Neurology, School of Medicine, University of Maryland, Baltimore, MD, United States
| | - Alexandru Tatomir
- Department of Neurology, School of Medicine, University of Maryland, Baltimore, MD, United States
| | - Violeta Rus
- Division of Rheumatology and Immunology, Department of Medicine, School of Medicine, University of Maryland, Baltimore, MD, United States
| | - Horea Rus
- Department of Neurology, School of Medicine, University of Maryland, Baltimore, MD, United States
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23
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Transcriptome Analysis of Yamame ( Oncorhynchus masou) in Normal Conditions after Heat Stress. BIOLOGY 2019; 8:biology8020021. [PMID: 30934851 PMCID: PMC6628215 DOI: 10.3390/biology8020021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 03/25/2019] [Accepted: 03/25/2019] [Indexed: 12/18/2022]
Abstract
Understanding the mechanism of high-temperature tolerance in cold-freshwater fish is crucial for predicting how certain species will cope with global warming. In this study, we investigated temperature tolerance in masu salmon (Oncorhynchus masou, known in Japan as ‘yamame’), an important aquaculture species. By selective breeding, we developed a group of yamame (F2) with high-temperature tolerance. This group was subjected to a high-temperature tolerance test and divided into two groups: High-temperature tolerant (HT) and non-high-temperature tolerant (NT). RNA was extracted from the gill and adipose fin tissues of each group, and the mRNA expression profiles were analyzed using RNA sequencing. A total of 2893 differentially expressed genes (DEGs) from the gill and 836 from the adipose fin were identified by comparing the HT and NT groups. Functional analyses were then performed to identify associated gene ontology (GO) terms and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. The HT group showed a high expression of heat shock protein 70 (HSP70) gene and enriched gene expression in the extracellular matrix (ECM), cell junction, and adhesion pathways in gill tissues compared to the NT group. The HT group also exhibited highly expressed genes in glycolysis and showed lower expression of the genes in the p53 signaling pathway in adipose fin tissues. Taken together, the difference of expression of some genes in the normal condition may be responsible for the difference in heat tolerance between the HT and NT yamame in the heat stress condition.
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24
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Strangers in strange lands: mitochondrial proteins found at extra-mitochondrial locations. Biochem J 2019; 476:25-37. [DOI: 10.1042/bcj20180473] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 11/23/2018] [Accepted: 11/27/2018] [Indexed: 12/18/2022]
Abstract
Abstract
The mitochondrial proteome is estimated to contain ∼1100 proteins, the vast majority of which are nuclear-encoded, with only 13 proteins encoded by the mitochondrial genome. The import of these nuclear-encoded proteins into mitochondria was widely believed to be unidirectional, but recent discoveries have revealed that many these ‘mitochondrial’ proteins are exported, and have extra-mitochondrial activities divergent from their mitochondrial function. Surprisingly, three of the exported proteins discovered thus far are mitochondrially encoded and have significantly different extra-mitochondrial roles than those performed within the mitochondrion. In this review, we will detail the wide variety of proteins once thought to only reside within mitochondria, but now known to ‘emigrate’ from mitochondria in order to attain ‘dual citizenship’, present both within mitochondria and elsewhere.
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Soleimani A, Zahiri E, Ehtiati S, Norouzi M, Rahmani F, Fiuji H, Avan A, Ferns GA, Khazaei M, Hashemy SI, Hassanian SM. Therapeutic potency of heat-shock protein-70 in the pathogenesis of colorectal cancer: current status and perspectives. Biochem Cell Biol 2018; 97:85-90. [PMID: 30273495 DOI: 10.1139/bcb-2018-0177] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Heat-shock protein-70 (HSP70) is critical to the folding, stability, and activity of several client proteins including many responsible for cancer cell proliferation, apoptosis, drug toxicity, and metastasis. Up-regulation of HSP70 is positively associated with increased tumorigenicity as well as poor survival in colon cancer patients, supporting the diagnostic, prognostic, and therapeutic potencies of HSP70 in colorectal cancer. The administration of specific pharmacological inhibitors or gene knock-down for HSP70 suppresses tumor progression and enhances tumor cell chemosensitivity. This review summarizes the different tumorigenic properties of HSP70 and the potential therapeutic potency of HSP70 inhibitors in terms of a novel strategy for colorectal cancer therapy, for a better understanding, and hence better management of this disease.
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Affiliation(s)
- Atena Soleimani
- a Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Elnaz Zahiri
- a Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sajad Ehtiati
- a Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahtab Norouzi
- a Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farzad Rahmani
- a Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,b Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamid Fiuji
- c Department of Biochemistry, Payame-Noor University, Mashhad, Iran
| | - Amir Avan
- d Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,e Department of Modern Sciences and Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- f Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex BN1 9PH, UK
| | - Majid Khazaei
- d Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,g Department of Medical Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Isaac Hashemy
- a Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hassanian
- a Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,d Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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