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Bertozzi MM, Saraiva-Santos T, Zaninelli TH, Pinho-Ribeiro FA, Fattori V, Staurengo-Ferrari L, Ferraz CR, Domiciano TP, Calixto-Campos C, Borghi SM, Zarpelon AC, Cunha TM, Casagrande R, Verri WA. Ehrlich Tumor Induces TRPV1-Dependent Evoked and Non-Evoked Pain-like Behavior in Mice. Brain Sci 2022; 12:brainsci12091247. [PMID: 36138983 PMCID: PMC9496717 DOI: 10.3390/brainsci12091247] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 11/16/2022] Open
Abstract
We standardized a model by injecting Ehrlich tumor cells into the paw to evaluate cancer pain mechanisms and pharmacological treatments. Opioid treatment, but not cyclooxygenase inhibitor or tricyclic antidepressant treatments reduces Ehrlich tumor pain. To best use this model for drug screening it is essential to understand its pathophysiological mechanisms. Herein, we investigated the contribution of the transient receptor potential cation channel subfamily V member 1 (TRPV1) in the Ehrlich tumor-induced pain model. Dorsal root ganglia (DRG) neurons from the Ehrlich tumor mice presented higher activity (calcium levels using fluo-4 fluorescent probe) and an increased response to capsaicin (TRPV1 agonist) than the saline-injected animals (p < 0.05). We also observed diminished mechanical (electronic von Frey) and thermal (hot plate) hyperalgesia, paw flinching, and normalization of weight distribution imbalance in TRPV1 deficient mice (p < 0.05). On the other hand, TRPV1 deficiency did not alter paw volume or weight, indicating no significant alteration in tumor growth. Intrathecal injection of AMG9810 (TRPV1 antagonist) reduced ongoing Ehrlich tumor-triggered mechanical and thermal hyperalgesia (p < 0.05). Therefore, the contribution of TRPV1 to Ehrlich tumor pain behavior was revealed by genetic and pharmacological approaches, thus, supporting the use of this model to investigate TRPV1-targeting therapies for the treatment of cancer pain.
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Affiliation(s)
- Mariana M. Bertozzi
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Telma Saraiva-Santos
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Tiago H. Zaninelli
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Felipe A. Pinho-Ribeiro
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
- Division of Dermatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Victor Fattori
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Larissa Staurengo-Ferrari
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Camila R. Ferraz
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Talita P. Domiciano
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Cassia Calixto-Campos
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Sergio M. Borghi
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
- Center for Research in Health Sciences, University of Northern Londrina, Londrina 86041-120, PR, Brazil
| | - Ana C. Zarpelon
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
| | - Thiago M. Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, Ribeirão Preto 14049-900, SP, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, Center of Health Science, Londrina State University, Londrina 86038-440, PR, Brazil
| | - Waldiceu A. Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, PR, Brazil
- Correspondence: or ; Tel.: +55-43-3371-4979; Fax: +55-43-3371-4387
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Ben Ouaghrem M, de Vaugelade S, Bourcier S, Genty C, Pirnay S, Bouchonnet S. Characterization of photoproducts and global ecotoxicity of chlorphenesin: a preservative used in skin care products. Int J Cosmet Sci 2021; 44:10-19. [PMID: 34958151 DOI: 10.1111/ics.12760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 12/01/2021] [Accepted: 12/13/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Manel Ben Ouaghrem
- Laboratoire d'analyses industrielles EXPERTOX, 75011, Paris, France.,Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - S de Vaugelade
- Laboratoire d'analyses industrielles EXPERTOX, 75011, Paris, France
| | - S Bourcier
- Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - Christophe Genty
- Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - S Pirnay
- Laboratoire d'analyses industrielles EXPERTOX, 75011, Paris, France
| | - S Bouchonnet
- Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France
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Dat TTH, Oanh PTT, Cuong LCV, Anh LT, Minh LTH, Ha H, Lam LT, Cuong PV, Anh HLT. Pharmacological Properties, Volatile Organic Compounds, and Genome Sequences of Bacterial Endophytes from the Mangrove Plant Rhizophora apiculata Blume. Antibiotics (Basel) 2021; 10:antibiotics10121491. [PMID: 34943703 PMCID: PMC8698355 DOI: 10.3390/antibiotics10121491] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 11/28/2021] [Accepted: 12/03/2021] [Indexed: 11/23/2022] Open
Abstract
Mangrove plant endophytic bacteria are prolific sources of bioactive secondary metabolites. In the present study, twenty-three endophytic bacteria were isolated from the fresh roots of the mangrove plant Rhizophora apiculata. The identification of isolates by 16S rRNA gene sequences revealed that the isolated endophytic bacteria belonged to nine genera, including Streptomyces, Bacillus, Pseudovibrio, Microbacterium, Brevibacterium, Microbulbifer, Micrococcus, Rossellomorea, and Paracoccus. The ethyl acetate extracts of the endophytic bacteria’s pharmacological properties were evaluated in vitro, including antimicrobial, antioxidant, α-amylase and α-glucosidase inhibitory, xanthine oxidase inhibitory, and cytotoxic activities. Gas chromatography–mass spectrometry (GC-MS) analyses of three high bioactive strains Bacillus sp. RAR_GA_16, Rossellomorea vietnamensis RAR_WA_32, and Bacillus sp. RAR_M1_44 identified major volatile organic compounds (VOCs) in their ethyl acetate extracts. Genome analyses identified biosynthesis gene clusters (BGCs) of secondary metabolites of the bacterial endophytes. The obtained results reveal that the endophytic bacteria from R. apiculata may be a potential source of pharmacological secondary metabolites, and further investigations of the high bioactive strains—such as fermentation and isolation of pure bioactive compounds, and heterologous expression of novel BGCs in appropriate expression hosts—may allow exploring and exploiting the promising bioactive compounds for future drug development.
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Affiliation(s)
- Ton That Huu Dat
- Mientrung Institute for Scientific Research, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City 49117, Vietnam; (P.T.T.O.); (L.C.V.C.); (L.T.A.)
- Correspondence: (T.T.H.D.); (P.V.C.); (H.L.T.A.); Tel.: +84-949-492-778 (T.T.H.D.); +84-913-219-187 (P.V.C.); +84-948-151-838 (H.L.T.A.)
| | - Phung Thi Thuy Oanh
- Mientrung Institute for Scientific Research, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City 49117, Vietnam; (P.T.T.O.); (L.C.V.C.); (L.T.A.)
| | - Le Canh Viet Cuong
- Mientrung Institute for Scientific Research, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City 49117, Vietnam; (P.T.T.O.); (L.C.V.C.); (L.T.A.)
| | - Le Tuan Anh
- Mientrung Institute for Scientific Research, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City 49117, Vietnam; (P.T.T.O.); (L.C.V.C.); (L.T.A.)
| | - Le Thi Hong Minh
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam;
| | - Hoang Ha
- Institute of Biotechnology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam; (H.H.); (L.T.L.)
| | - Le Tung Lam
- Institute of Biotechnology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam; (H.H.); (L.T.L.)
| | - Pham Viet Cuong
- Mientrung Institute for Scientific Research, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 321 Huynh Thuc Khang, Hue City 49117, Vietnam; (P.T.T.O.); (L.C.V.C.); (L.T.A.)
- Correspondence: (T.T.H.D.); (P.V.C.); (H.L.T.A.); Tel.: +84-949-492-778 (T.T.H.D.); +84-913-219-187 (P.V.C.); +84-948-151-838 (H.L.T.A.)
| | - Hoang Le Tuan Anh
- Center for Research and Technology Transfer, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10072, Vietnam
- Correspondence: (T.T.H.D.); (P.V.C.); (H.L.T.A.); Tel.: +84-949-492-778 (T.T.H.D.); +84-913-219-187 (P.V.C.); +84-948-151-838 (H.L.T.A.)
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Comparison of Volatile Organic Compounds of Sideritis romana L. and Sideritis montana L. from Croatia. Molecules 2021; 26:molecules26195968. [PMID: 34641513 PMCID: PMC8512722 DOI: 10.3390/molecules26195968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/22/2021] [Accepted: 09/28/2021] [Indexed: 01/22/2023] Open
Abstract
A study on the headspace volatile organic compounds (VOCs) profile of native populations of Sideritis romana L. and Sidertis montana L., Lamiaceae, from Croatia is reported herein, to elucidate the phytochemical composition of taxa from this plant genus, well-known for traditional use in countries of the Mediterranean and the Balkan region. Headspace solid-phase microextraction (HS-SPME), using divinylbenzene/carboxene/polydimethylsiloxane (DVB/CAR/PDMS) or polydimethylsiloxane/divinylbenzene (PDMS/DVB) fiber, coupled with gas chromatography-mass spectrometry (GC-MS) was applied to analyze the dried aerial parts of six native populations in total. Furthermore, principal component analysis (PCA) was conducted on the volatile constituents with an average relative percentage ≥1.0% in at least one of the samples. Clear separation between the two species was obtained using both fiber types. The VOCs profile for all investigated populations was characterized by sesquiterpene hydrocarbons, followed by monoterpene hydrocarbons, except for one population of S. romana, in which monoterpene hydrocarbons predominated. To our knowledge, this is the first report on the VOCs composition of natural populations of S. romana and S. montana from Croatia as well as the first reported HS-SPME/GC-MS analysis of S. romana and S. montana worldwide.
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Bermond C, Cherrad S, Trainoy A, Ngari C, Poulet V. Real-time qPCR to evaluate bacterial contamination of cosmetic cream and the efficiency of protective ingredients. J Appl Microbiol 2021; 132:2106-2120. [PMID: 34586708 DOI: 10.1111/jam.15310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 02/04/2023]
Abstract
AIMS The absence of objectionable micro-organisms in cosmetics and the efficiency of preservatives are still mainly assessed by time-consuming cultivation-based methods. We explored the applicability of real-time quantitative polymerase chain reaction (qPCR) and reported on the behaviour of different bacteria in artificially contaminated creams. METHODS AND RESULTS Real-time qPCR on DNA from Burkholderia cepacia, Pluribacter gergoviae, Pseudomonas aeruginosa and Sphingomonas paucimobilis identified specific primer pairs that amplify accurately and efficiently two strains/isolates of each species. Using DNeasy mericon Food Kit, we detected bacterial growth in an inoculated cosmetic cream and persistency of DNA from heat-inactivated bacteria. We were also able to monitor the growth inhibitory effect of caprylyl glycol and EDTA, also showing how different bacterial species interact depending on the presence/absence of these ingredients. Finally, creams supplemented with the protective cosmetic ingredients revealed the various behaviour of five strains/isolates from P. aeruginosa. CONCLUSIONS Successfully extracting bacterial DNA from artificially contaminated cosmetic creams, we could perform real-time qPCR to identify and follow the growth of various strains of 4 bacteria species under different conditions. SIGNIFICANCE AND IMPACT OF THE STUDY Real-time qPCR appears as a promising method to detect bacterial contamination in cosmetic creams and/or to monitor growth inhibition by ingredients.
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