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Tessier N, Ducrozet M, Dia M, Badawi S, Chouabe C, Crola Da Silva C, Ovize M, Bidaux G, Van Coppenolle F, Ducreux S. TRPV1 Channels Are New Players in the Reticulum-Mitochondria Ca 2+ Coupling in a Rat Cardiomyoblast Cell Line. Cells 2023; 12:2322. [PMID: 37759544 PMCID: PMC10529771 DOI: 10.3390/cells12182322] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 09/18/2023] [Accepted: 09/20/2023] [Indexed: 09/29/2023] Open
Abstract
The Ca2+ release in microdomains formed by intercompartmental contacts, such as mitochondria-associated endoplasmic reticulum membranes (MAMs), encodes a signal that contributes to Ca2+ homeostasis and cell fate control. However, the composition and function of MAMs remain to be fully defined. Here, we focused on the transient receptor potential vanilloid 1 (TRPV1), a Ca2+-permeable ion channel and a polymodal nociceptor. We found TRPV1 channels in the reticular membrane, including some at MAMs, in a rat cardiomyoblast cell line (SV40-transformed H9c2) by Western blotting, immunostaining, cell fractionation, and proximity ligation assay. We used chemical and genetic probes to perform Ca2+ imaging in four cellular compartments: the endoplasmic reticulum (ER), cytoplasm, mitochondrial matrix, and mitochondrial surface. Our results showed that the ER Ca2+ released through TRPV1 channels is detected at the mitochondrial outer membrane and transferred to the mitochondria. Finally, we observed that prolonged TRPV1 modulation for 30 min alters the intracellular Ca2+ equilibrium and influences the MAM structure or the hypoxia/reoxygenation-induced cell death. Thus, our study provides the first evidence that TRPV1 channels contribute to MAM Ca2+ exchanges.
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Affiliation(s)
- Nolwenn Tessier
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
| | - Mallory Ducrozet
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
| | - Maya Dia
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
| | - Sally Badawi
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
| | - Christophe Chouabe
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
| | - Claire Crola Da Silva
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
| | - Michel Ovize
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
- Hospices Civils de Lyon, Hôpital Louis Pradel, Services d’Explorations Fonctionnelles Cardiovasculaires et CIC de Lyon, 69394 Lyon, France
| | - Gabriel Bidaux
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
| | - Fabien Van Coppenolle
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
| | - Sylvie Ducreux
- Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France; (N.T.); (M.D.); (M.D.); (S.B.); (C.C.); (C.C.D.S.); (M.O.); (G.B.); (F.V.C.)
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2
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Patel J, Boyer N, Mensah K, Haider S, Gibson O, Martin D, Walter E. Critical illness aspects of heatstroke: A hot topic. J Intensive Care Soc 2023; 24:206-214. [PMID: 37260431 PMCID: PMC10227888 DOI: 10.1177/17511437221148922] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023] Open
Abstract
Heatstroke represents the most severe end of the heat illness spectrum, and is increasingly seen in those undergoing exercise or exertion ('exertional heatstroke') and those exposed to high ambient temperatures, for example in heatwaves ('classical heatstroke'). Both forms may be associated with significant thermal injury, leading to organ dysfunction and the need for admission to an intensive care unit. The process may be exacerbated by translocation of bacteria or endotoxin through an intestinal wall rendered more permeable by the hyperthermia. This narrative review highlights the importance of early diagnosis, rapid cooling and effective management of complications. It discusses the incidence, clinical features and treatment of heatstroke, and discusses the possible role of intestinal permeability and advances in follow-up and recovery of this condition. Optimum treatment involves an integrated input from prehospital, emergency department and critical care teams, along with follow-up by rehabilitation teams and, if appropriate, sports or clinical physiologists.
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Affiliation(s)
- Jesal Patel
- Department of Intensive Care, Royal
Surrey County Hospital, Guildford, UK
| | - Naomi Boyer
- Department of Intensive Care, Royal
Surrey County Hospital, Guildford, UK
| | - Kwabena Mensah
- Department of Intensive Care, Royal
Surrey County Hospital, Guildford, UK
| | - Syeda Haider
- Department of Intensive Care, Royal
Surrey County Hospital, Guildford, UK
| | - Oliver Gibson
- Division of Sport, Health and Exercise
Sciences, Brunel University, London, UK
| | - Daniel Martin
- Department of Intensive Care, Derriford
Hospital, Plymouth, UK
- Peninsula Medical School, University of
Plymouth, UK
| | - Edward Walter
- Department of Intensive Care, Royal
Surrey County Hospital, Guildford, UK
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3
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Beignon F, Gueguen N, Tricoire-Leignel H, Mattei C, Lenaers G. The multiple facets of mitochondrial regulations controlling cellular thermogenesis. Cell Mol Life Sci 2022; 79:525. [PMID: 36125552 DOI: 10.1007/s00018-022-04523-8] [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: 05/19/2022] [Revised: 07/21/2022] [Accepted: 08/09/2022] [Indexed: 12/01/2022]
Abstract
Understanding temperature production and regulation in endotherm organisms becomes a crucial challenge facing the increased frequency and intensity of heat strokes related to global warming. Mitochondria, located at the crossroad of metabolism, respiration, Ca2+ homeostasis, and apoptosis, were recently proposed to further act as cellular radiators, with an estimated inner temperature reaching 50 °C in common cell lines. This inner thermogenesis might be further exacerbated in organs devoted to produce consistent efforts as muscles, or heat as brown adipose tissue, in response to acute solicitations. Consequently, pathways promoting respiratory chain uncoupling and mitochondrial activity, such as Ca2+ fluxes, uncoupling proteins, futile cycling, and substrate supplies, provide the main processes controlling heat production and cell temperature. The mitochondrial thermogenesis might be further amplified by cytoplasmic mechanisms promoting the over-consumption of ATP pools. Considering these new thermic paradigms, we discuss here all conventional wisdoms linking mitochondrial functions to cellular thermogenesis in different physiological conditions.
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Affiliation(s)
- Florian Beignon
- Univ Angers, MitoLab, Unité MITOVASC, UMR CNRS 6015, INSERM U1083, SFR ICAT, Angers, France.
| | - Naig Gueguen
- Univ Angers, MitoLab, Unité MITOVASC, UMR CNRS 6015, INSERM U1083, SFR ICAT, Angers, France.,Service de Biochimie et Biologie Moléculaire, CHU d'Angers, Angers, France
| | | | - César Mattei
- Univ Angers, CarMe, Unité MITOVASC, UMR CNRS 6015, INSERM U1083, SFR ICAT, Angers, France
| | - Guy Lenaers
- Univ Angers, MitoLab, Unité MITOVASC, UMR CNRS 6015, INSERM U1083, SFR ICAT, Angers, France. .,Service de Neurologie, CHU d'Angers, Angers, France.
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4
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Raynard C, Ma X, Huna A, Tessier N, Massemin A, Zhu K, Flaman J, Moulin F, Goehrig D, Medard J, Vindrieux D, Treilleux I, Hernandez‐Vargas H, Ducreux S, Martin N, Bernard D. NF-κB-dependent secretome of senescent cells can trigger neuroendocrine transdifferentiation of breast cancer cells. Aging Cell 2022; 21:e13632. [PMID: 35653631 PMCID: PMC9282844 DOI: 10.1111/acel.13632] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 04/22/2022] [Accepted: 05/08/2022] [Indexed: 12/14/2022] Open
Abstract
Cellular senescence is characterized by a stable proliferation arrest in response to stresses and the acquisition of a senescence-associated secretory phenotype, called SASP, composed of numerous factors including pro-inflammatory molecules, proteases, and growth factors. The SASP affects the environment of senescent cells, especially during aging, by inducing and modulating various phenotypes such as paracrine senescence, immune cell activity, and extracellular matrix deposition and organization, which critically impact various pathophysiological situations, including fibrosis and cancer. Here, we uncover a novel paracrine effect of the SASP: the neuroendocrine transdifferentiation (NED) of some epithelial cancer cells, evidenced both in the breast and prostate. Mechanistically, this effect is mediated by NF-κB-dependent SASP factors, and leads to an increase in intracellular Ca2+ levels. Consistently, buffering Ca2+ by overexpressing the CALB1 buffering protein partly reverts SASP-induced NED, suggesting that the SASP promotes NED through a SASP-induced Ca2+ signaling. Human breast cancer dataset analyses support that NED occurs mainly in p53 WT tumors and in older patients, in line with a role of senescent cells and its secretome, as they are increasing during aging. In conclusion, our work, uncovering SASP-induced NED in some cancer cells, paves the way for future studies aiming at better understanding the functional link between senescent cell accumulation during aging, NED and clinical patient outcome.
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Affiliation(s)
- Clotilde Raynard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Xingjie Ma
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
- Department of Intensive CareThe Affiliated Hospital of Yangzhou University, Yangzhou UniversityYangzhouChina
| | - Anda Huna
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Nolwenn Tessier
- University of Lyon, CarMeN LaboratoryINSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1BronFrance
| | - Amélie Massemin
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Kexin Zhu
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Jean‐Michel Flaman
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Florentin Moulin
- University of Lyon, CarMeN LaboratoryINSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1BronFrance
| | - Delphine Goehrig
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Jean‐Jacques Medard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - David Vindrieux
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Isabelle Treilleux
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Hector Hernandez‐Vargas
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - Sylvie Ducreux
- University of Lyon, CarMeN LaboratoryINSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1BronFrance
| | - Nadine Martin
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
| | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon BérardUniversité de LyonLyonFrance
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Huang T. TRPV1 is a potential biomarker for the prediction and treatment of multiple cancers based on a pan-cancer analysis. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2022; 19:8361-8379. [PMID: 35801469 DOI: 10.3934/mbe.2022389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
BACKGROUND Transient receptor potential cation channel subfamily V member 1 (TRPV1) was considered to play pivotal roles in multiple cancers; however, the expression and clinical significance of the TRPV1 remain unclear, which were explored in this study. RESULTS The pan-cancer analysis was performed based on 10,236 samples in 32 cancers. Differential TRPV1 expression levels were detected in 12 cancers (p < 0.05). TRPV1 demonstrated its conspicuous prognosis significance and prediction effects for some cancers (e.g., lung adenocarcinoma), indicating its potential as a valuable and novel biomarker in treating and predicting cancers. TRPV1 expression was relevant to DNA methyltransferases, mismatch repair genes, tumor mutational burden, and microsatellite instability. TRPV1 expression was associated with the immune microenvironment of some cancers, and its roles in different cancers may be mediated by affecting various immune cells. Gene set enrichment analysis discloses the significant relevance of TRPV1 expression with a series of metabolic and immunoregulatory-related pathways. CONCLUSIONS This study provided a comprehensive workflow of the expression, clinical significance, and underlying mechanisms of TRPV1 in pan-cancer. TRPV1 may be an underlying biomarker for predicting and treating multiple cancer.
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Affiliation(s)
- Tao Huang
- Department of Cardiothoracic Vascular Surgery, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
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6
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Bouchama A, Abuyassin B, Lehe C, Laitano O, Jay O, O'Connor FG, Leon LR. Classic and exertional heatstroke. Nat Rev Dis Primers 2022; 8:8. [PMID: 35115565 DOI: 10.1038/s41572-021-00334-6] [Citation(s) in RCA: 124] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/20/2021] [Indexed: 12/28/2022]
Abstract
In the past two decades, record-breaking heatwaves have caused an increasing number of heat-related deaths, including heatstroke, globally. Heatstroke is a heat illness characterized by the rapid rise of core body temperature above 40 °C and central nervous system dysfunction. It is categorized as classic when it results from passive exposure to extreme environmental heat and as exertional when it develops during strenuous exercise. Classic heatstroke occurs in epidemic form and contributes to 9-37% of heat-related fatalities during heatwaves. Exertional heatstroke sporadically affects predominantly young and healthy individuals. Under intensive care, mortality reaches 26.5% and 63.2% in exertional and classic heatstroke, respectively. Pathological studies disclose endothelial cell injury, inflammation, widespread thrombosis and bleeding in most organs. Survivors of heatstroke may experience long-term neurological and cardiovascular complications with a persistent risk of death. No specific therapy other than rapid cooling is available. Physiological and morphological factors contribute to the susceptibility to heatstroke. Future research should identify genetic factors that further describe individual heat illness risk and form the basis of precision-based public health response. Prioritizing research towards fundamental mechanism and diagnostic biomarker discovery is crucial for the design of specific management approaches.
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Affiliation(s)
- Abderrezak Bouchama
- King Abdullah International Medical Research Center, Experimental Medicine Department, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia.
| | - Bisher Abuyassin
- King Abdullah International Medical Research Center, Experimental Medicine Department, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Cynthia Lehe
- King Abdullah International Medical Research Center, Experimental Medicine Department, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Orlando Laitano
- Department of Nutrition & Integrative Physiology, College of Health and Human Sciences, Florida State University, Tallahassee, FL, USA
| | - Ollie Jay
- Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Francis G O'Connor
- Military and Emergency Medicine, Uniformed Services University, Bethesda, MD, USA
| | - Lisa R Leon
- Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
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7
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Lafoux A, Lotteau S, Huchet C, Ducreux S. The Contractile Phenotype of Skeletal Muscle in TRPV1 Knockout Mice is Gender-Specific and Exercise-Dependent. Life (Basel) 2020; 10:E233. [PMID: 33036239 PMCID: PMC7600525 DOI: 10.3390/life10100233] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 09/24/2020] [Accepted: 10/03/2020] [Indexed: 12/31/2022] Open
Abstract
The transient receptor potential vanilloid 1 (TRPV1) belongs to the transient receptor potential superfamily of sensory receptors. TRPV1 is a non-selective cation channel permeable to Ca2+ that is capable of detecting noxious heat temperature and acidosis. In skeletal muscles, TRPV1 operates as a reticular Ca2+-leak channel and several TRPV1 mutations have been associated with two muscle disorders: malignant hyperthermia (MH) and exertional heat stroke (EHS). Although TRPV1-/- mice have been available since the 2000s, TRPV1's role in muscle physiology has not been thoroughly studied. Therefore, the focus of this work was to characterize the contractile phenotype of skeletal muscles of TRPV1-deficient mice at rest and after four weeks of exercise. As MS and EHS have a higher incidence in men than in women, we also investigated sex-related phenotype differences. Our results indicated that, without exercise, TRPV1-/- mice improved in vivo muscle strength with an impairment of skeletal muscle in vitro twitch features, i.e., delayed contraction and relaxation. Additionally, exercise appeared detrimental to TRPV1-/- slow-twitch muscles, especially in female animals.
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Affiliation(s)
- Aude Lafoux
- Therassay Platform, CAPACITES, Université de Nantes, 44200 Nantes, France;
| | - Sabine Lotteau
- CarMeN Laboratory, University of Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France;
| | - Corinne Huchet
- Nantes Gene Therapy Laboratory, INSERM UMR 1089, Université de Nantes, 44200 Nantes, France;
| | - Sylvie Ducreux
- CarMeN Laboratory, University of Lyon, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, 69500 Bron, France;
- Département de Cardiologie, Hospices Civils de Lyon, Groupement Hospitalier EST, IHU-OPERA Bâtiment B13, 69500 Bron, France
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