Effects of Dimenhydrinate on Motor Behavior and Vascular Function: Possible Implications for the Field of Sports.

IF 2.6 3区 医学 Q2 BIOCHEMICAL RESEARCH METHODS
Jazmín Flores-Monroy, Diana Ramírez-Hernández, Diego Lezama-Martínez, Benjamín Velasco-Bejarano
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引用次数: 0

Abstract

Several studies have described the sedative effects of dimenhydrinate (DMH), although others report a stimulant effect on psychomotor functions. Because the first generation of antihistamines was shown to seriously impair cognitive psychomotor and driving performance in healthy volunteers, the aim of our research was to determine the effect of DMH by testing physical activity and cognitive and cardiovascular functions using an animal model to identify a possible stimulatory effect. The study protocol consisted of two phases. The first was designed to analyze the stimulating motor effect of DMH. Four study groups were formed: (1) vehicle (Veh), (2) modafinil (MOD), (3) DMH at 50 mg/kg (DMH-50), and (4) DMH at 200 mg/kg (DMH-200). Motor coordination and balance, physical activity, hemodynamics, and nitrous oxide (NO) quantification were performed. In the second phase, we sought to discriminate the compound in DMH that generates the stimulating effect. In this case, the study groups were (1) Veh, (2) MOD, (3) DMH, (4) diphenhydramine (DPH), (5) 8-chlorotheophylline (8-Cl-T), and (6) theophylline (TEO). In this phase, we quantified glucose and insulin levels, behavior, physical activity, blood pressure, and vascular reactivity to phenylephrine and acetylcholine. Findings showed that DMH might improve a motor and physical stimulating effect but also increased NO levels in the lungs. DPH promoted a compulsive-like behavior that diminished with 8-Cl-T. Regarding cardiovascular effects, DMH decreased vascular reactivity to phenylephrine and acetylcholine. Finally, in the DMH formulation, 8-Cl-T was identified as the compound responsible for increasing blood pressure and heart rate.

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来源期刊
Drug Testing and Analysis
Drug Testing and Analysis BIOCHEMICAL RESEARCH METHODS-CHEMISTRY, ANALYTICAL
CiteScore
5.90
自引率
24.10%
发文量
191
审稿时长
2.3 months
期刊介绍: As the incidence of drugs escalates in 21st century living, their detection and analysis have become increasingly important. Sport, the workplace, crime investigation, homeland security, the pharmaceutical industry and the environment are just some of the high profile arenas in which analytical testing has provided an important investigative tool for uncovering the presence of extraneous substances. In addition to the usual publishing fare of primary research articles, case reports and letters, Drug Testing and Analysis offers a unique combination of; ‘How to’ material such as ‘Tutorials’ and ‘Reviews’, Speculative pieces (‘Commentaries’ and ‘Perspectives'', providing a broader scientific and social context to the aspects of analytical testing), ‘Annual banned substance reviews’ (delivering a critical evaluation of the methods used in the characterization of established and newly outlawed compounds). Rather than focus on the application of a single technique, Drug Testing and Analysis employs a unique multidisciplinary approach to the field of controversial compound determination. Papers discussing chromatography, mass spectrometry, immunological approaches, 1D/2D gel electrophoresis, to name just a few select methods, are welcomed where their application is related to any of the six key topics listed below.
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