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da Silva Frazão O, Brito MC, Macêdo CAF, Ribeiro TF, França JMG, Carvalho BAG, de Queiroz DB, Menezes PMN, de Almeida Ribeiro FP, Silva FS. (-)-Carvone Inhibits Oxytocin-induced Writhing Via Uterine Relaxation in Rodents. Reprod Sci 2024:10.1007/s43032-024-01663-z. [PMID: 39090333 DOI: 10.1007/s43032-024-01663-z] [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: 11/20/2023] [Accepted: 07/22/2024] [Indexed: 08/04/2024]
Abstract
(-)-Carvone, a ketone monoterpene, is the main component of essential oils from several medicinal plants and has been reported to have anti-arthriric, anticonvulsive, antidiabetic, anti-inflammatory, anticancer, and immunomodulatory effects. Therefore, this study aimed to investigate the spasmolytic activity of (-)-carvone in rodent models. The isolated virgin rat uterus was mounted in an organ bath apparatus, and the relaxing effect of ( -)-carvone and its mechanism of action were evaluated in tonic contractions induced by carbachol, KCl, PGF2α, or oxytocin. The animal model of primary dysmenorrhea was replicated with the injection of estradiol benzoate in female mice for three consecutive days, followed by intraperitoneal administration of oxytocin. Non-clinical acute toxicity evaluation was also performed. (-)-Carvone potency and effectiveness were larger in carbachol (pEC50 = 5.41 ± 0.14 and Emax = 92.63 ± 1.90% at 10-3 M) or oxytocin (pEC50 = 4.29 ± 0.17 and Emax = 86.69 ± 1.56% at 10-3 M) contractions. The effect of ( -)-carvone was altered in the presence of 4-aminopyridine, glibenclamide, L-NAME, or methylene blue. Mice pre-treated with (-)-carvone at a dose of 100 mg/kg showed a significant reduction in the number of writhing after oxytocin administration. No toxicity was observed after oral administration of 1 g/kg ( -)-carvone. Taken together, we showed that (-)-carvone reduced writhing by a spasmolytic effect, probably through the participation of KV and KATP channels and the nitric oxide pathway.
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Affiliation(s)
- Olivaneide da Silva Frazão
- Postgraduate Program in Biosciences, Federal University of San Francisco Valley (UNIVASF), Petrolina, Pernambuco, Brazil
| | - Mariana Coelho Brito
- Laboratory of Experimental Pharmacology, College of Pharmacy - Federal University of San Francisco Valley (UNIVASF), Av. José de Maniçoba S/N, Centro, Petrolina, PE, CEP: 56304-917, Brazil
| | - Cícero André Ferreira Macêdo
- Laboratory of Experimental Pharmacology, College of Pharmacy - Federal University of San Francisco Valley (UNIVASF), Av. José de Maniçoba S/N, Centro, Petrolina, PE, CEP: 56304-917, Brazil
- Graduate Program in Biotechnology - State University of Feira de Santana (UEFS), Feira de Santana, Bahia, Brazil
| | - Tiago Feitosa Ribeiro
- Northeast Biotechnology Network, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco, Brazil
| | - Jennifer Milene Gomes França
- Laboratory of Experimental Pharmacology, College of Pharmacy - Federal University of San Francisco Valley (UNIVASF), Av. José de Maniçoba S/N, Centro, Petrolina, PE, CEP: 56304-917, Brazil
| | - Bárbara Artimis Gonçalves Carvalho
- Laboratory of Experimental Pharmacology, College of Pharmacy - Federal University of San Francisco Valley (UNIVASF), Av. José de Maniçoba S/N, Centro, Petrolina, PE, CEP: 56304-917, Brazil
| | | | - Pedro Modesto Nascimento Menezes
- Laboratory of Experimental Pharmacology, College of Pharmacy - Federal University of San Francisco Valley (UNIVASF), Av. José de Maniçoba S/N, Centro, Petrolina, PE, CEP: 56304-917, Brazil
| | - Fernanda Pires de Almeida Ribeiro
- Laboratory of Experimental Pharmacology, College of Pharmacy - Federal University of San Francisco Valley (UNIVASF), Av. José de Maniçoba S/N, Centro, Petrolina, PE, CEP: 56304-917, Brazil
| | - Fabrício Souza Silva
- Postgraduate Program in Biosciences, Federal University of San Francisco Valley (UNIVASF), Petrolina, Pernambuco, Brazil.
- Laboratory of Experimental Pharmacology, College of Pharmacy - Federal University of San Francisco Valley (UNIVASF), Av. José de Maniçoba S/N, Centro, Petrolina, PE, CEP: 56304-917, Brazil.
- Graduate Program in Biotechnology - State University of Feira de Santana (UEFS), Feira de Santana, Bahia, Brazil.
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Nakamura M, Sekizawa A, Hasegawa J, Nakata M, Katsuragi S, Tanaka H, Murakoshi T, Kanayama N, Ishiwata I, Ikeda T. Relationship between maternal mortality and ritodrine hydrochloride as a tocolytic agent in Japan. J Obstet Gynaecol Res 2024; 50:1111-1117. [PMID: 38627884 DOI: 10.1111/jog.15951] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 04/03/2024] [Indexed: 07/10/2024]
Abstract
AIM In Japan, unlike Western countries, tocolytic agents are administered in long-term protocols to treat threatened preterm labor. Evaluating the side effects of this practice is crucial. We examined whether ritodrine hydrochloride had been administered in cases of maternal death, aiming to investigate any relationship between ritodrine administration and maternal death. METHODS This retrospective cohort study used reports of maternal deaths from multiple institutions in Japan between 2010 and 2020. Data on the reported cases were retrospectively analyzed, and data on the route of administration, administered dose, and clinical findings, including causes of maternal death, were extracted. The amount of tocolytic agents was compared between maternal deaths with ritodrine administration and those without. RESULTS A total of 390 maternal deaths were reported to the Maternal Death Exploratory Committee in Japan during the study period. Ritodrine hydrochloride was administered in 32 of these cases. The frequencies (n) and median doses (range) of oral or intravenous ritodrine hydrochloride were 34.4% (11) and 945 (5-2100) mg and 84.4% (27) and 4032 (50-18 680) mg, respectively. Frequencies of perinatal cardiomyopathy, cerebral hemorrhage, diabetic ketoacidosis, and pulmonary edema as causes of maternal death were significantly higher with ritodrine administration than without it. CONCLUSIONS Our results suggest a relationship between long-term administration of ritodrine hydrochloride and an increased risk of maternal death due to perinatal cardiomyopathy, cerebral hemorrhage, diabetic ketoacidosis, and pulmonary edema. In cases where ritodrine should be administered to prevent preterm labor, careful management and monitoring of maternal symptoms are required.
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Affiliation(s)
- Masamitsu Nakamura
- Department of Obstetrics and Gynecology, Fujita Health University, Aichi, Japan
| | - Akihiko Sekizawa
- Department of Obstetrics and Gynecology, Showa University School of Medicine, Tokyo, Japan
| | - Junichi Hasegawa
- Department of Obstetrics and Gynecology, St. Marianna School of Medicine, Kanagawa, Japan
| | - Masahiko Nakata
- Department of Obstetrics and Gynecology, Toho University School of Medicine, Tokyo, Japan
| | - Shinji Katsuragi
- Department of Obstetrics and Gynecology, Miyazaki University, Miyazaki, Japan
| | - Hiroaki Tanaka
- Department of Obstetrics and Gynecology, Mie University, Mie, Japan
| | - Takeshi Murakoshi
- Division of Perinatology, Maternal and Perinatal Care Center, Seirei Hamamatsu General Hospital, Hamamatsu, Japan
| | - Naohiro Kanayama
- University President, Shizuoka College of Medical Science, Hamamatsu, Japan
| | - Isamu Ishiwata
- Ishiwata Obstetrics and Gynecologic Hospital, Ibaraki, Japan
| | - Tomoaki Ikeda
- Department of Obstetrics and Gynecology, Mie University, Mie, Japan
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