Auflistung Nach Schlagwort "caffeine"
Anzeige der Dokumente 1-15 von 15
-
Alterations in xenobiotic-metabolizing enzyme activities across menstrual cycle in healthy volunteers
(2019)The purpose of the study was to determine whether the in vivo activities of drug-metabolizing enzymes CYP1A2 and CYP2A6, xanthine oxidase (XO), and N-acetyltransferase-2 (NAT2) vary across the menstrual cycle. Forty-two ... -
Altered activity of xenobiotic detoxifying enzymes at menopause – A cross-sectional study
(2020)Xenobiotic metabolism at menopause is an under-investigated topic, albeit women spend one-third of their life in the postmenopausal period. The present study examined the effect of menopause on the in vivo activities of ... -
Caffeine metabolism in liver cirrhosis
(2005)Caffeine is metabolized primarily by CYP1A2. Several methods have been developed for the in vivo assessment of CYP1A2 activity using caffeine as a probe drug (2). These methods include the determination of caffeine clearance ... -
CYP1A2 rs762551 and ADORA2A rs5760423 Polymorphisms in Patients with Blepharospasm
(2020)Blepharospasm (BSP) is a neurological movement disorder. Coffee consumption has been found to have a protective effect against BSP. BSP and apraxia of eyelid opening are particularly common among patients with PD. The ... -
Dietary effects of Sideritis scardica “mountain tea” on human in vivo activities of xenobiotic metabolizing enzymes in healthy subjects
(2018)Sideritis scardica (S. scardica) is an endemic plant of the Balkan Peninsula traditionally used as herbal tea for inflammation and gastric disorders. Aqueous herbal extracts may affect the activity of Phase I and II enzymes ... -
Do glucose and caffeine nasal sprays influence exercise or cognitive performance?
(2017)Introduction: Nasal spray (NAS) containing caffeine (CAF) or glucose (GLUC) activates sensory(motor) cortices. Purpose: To investigate the influence of CAF or GLUC NAS on exercise and cognitive performance. Methods: Eleven ... -
Effects of peppermint tea consumption on the activities of CYP1A2, CYP2A6, Xanthine Oxidase, N-acetyltranferase-2 and UDP-glucuronosyltransferases-1A1/1A6 in healthy volunteers
(2017)Peppermint leaves are widely used for the symptomatic treatment of digestive disorders. Previous studies have shown significant effects of its natural products on human enzyme activity; however, there is no study available ... -
Effects of short-term saffron (Crocus sativus L.) intake on the in vivo activities of xenobiotic metabolizing enzymes in healthy volunteers
(2019)Crocus sativus L., a perennial plant grown mainly around the Mediterranean and Iran, has many medicinal properties including anti-inflammatory, anti-depressive and cancer preventing properties. Aqueous herbal extracts may ... -
Energy drinks
(2020)SUMMARY. Energy drinks are the most commonly consumed non-alcoholic beverages, specifically among adolescents and young adults. Their main ingredient is caffeine while they contain sweeteners and a lot of other natural or ... -
Exercise-heat tolerance in middle-aged-to-older men with type 2 diabetes
(2021)[No abstract available] -
Impact of genetic variability on physiological responses to caffeine in humans: A systematic review
(2018)Emerging research has demonstrated that genetic variation may impact physiological responses to caffeine consumption. The purpose of the present review was to systematically recognize how select single nucleotide polymorphisms ... -
In vivo evaluation of CYP1A2 CYP2A6, NAT-2 and xanthine oxidase activities in a Greek population sample by the RP-HPLC monitoring of caffeine metabolic ratios
(2007)A RP-HPLC method was developed for the assessment of caffeine and its metabolites in urine and was used for the evaluation of the CYP1A2, CYP2A6, xanthine oxidase (XO) and N-acetyl-transferase-2 (NAT-2) in vivo activities ... -
Influence of a CYP1A2 polymorphism on post-exercise heart rate variability in response to caffeine intake: a double-blind, placebo-controlled trial
(2017)Background: Proposed differences in caffeine metabolism due to the CYP1A2*1F polymorphism have been linked to variations in cardiovascular disease risk. Aims: We examined the influence of a CYP1A2*1F polymorphism on ... -
Methodological quality of clinical practice guidelines for nutrition and weight gain during pregnancy: A systematic review
(2020)Context: Ensuring a healthy pregnancy and achieving optimal gestational weight gain (GWG) are important for maternal and child health. Nevertheless, the nutritional advice provided during pregnancy is often conflicting, ... -
Very preterm neonates receiving “aggressive” nutrition and early nCPAP had similar long-term respiratory outcomes as term neonates
(2019)Backround: The impact of the consistent implementation of “aggressive” nutrition by means of intensive early neonatal nutritional support up to 40–44 weeks postmenstrual age and the use of nasal continuous positive airway ...