ArticleBMC pharmacology2003
Effect of thymol on kinetic properties of Ca and K currents in rat skeletal muscle.
Article in BMC pharmacology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 23 citations in OpenAlex.
- Pharmacological Properties and Molecular Mechanisms of Thymol: Prospects for Its Therapeutic Potential and Pharmaceutical Development.Frontiers in pharmacology · 2017Review
- Altered elementary calcium release events and enhanced calcium release by thymol in rat skeletal muscle.Biophysical journal · 2004Article
- Effects ofBasic and clinical neuroscienceArticle
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThymol is widely used as a general antiseptic and antioxidant compound in the medical practice and industry, and also as a stabilizer to several therapeutic agents, including halothane. Thus intoxication with thymol may occur in case of ingestion or improper anesthesia. In the present study, therefore, concentration-dependent effects of thymol (30-600 micro-grams) were studied on calcium and potassium currents in enzymatically isolated rat skeletal muscle fibers using the double vaseline gap voltage clamp technique.
resultsThymol suppressed both Ca and K currents in a concentration-dependent manner, the EC50 values were 193 +/- 26 and 93 +/- 11 microM, with Hill coefficients of 2.52 +/- 0.29 and 1.51 +/- 0.18, respectively. Thymol had a biphasic effect on Ca current kinetics: time to peak current and the time constant for inactivation increased at lower (100-200 microM) but decreased below their control values at higher (600 microM) concentrations. Inactivation of K current was also significantly accelerated by thymol (200-300 microM). These effects of thymol developed rapidly and were partially reversible. In spite of the marked effects on the time-dependent properties, thymol caused no change in the current-voltage relationship of Ca and K peak currents.
conclusionsPresent results revealed marked suppression of Ca and K currents in skeletal muscle, similar to results obtained previously in cardiac cells. Furthermore, it is possible that part of the suppressive effects of halothane on Ca and K currents, observed experimentally, may be attributed to the concomitant presence of thymol in the superfusate.
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