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Eiró-Quirino L, Yoshino FK, de Amorim GC, de Araújo DB, Barbosa GB, de Souza LV, Dos Santos MF, Hamoy MKO, Dos Santos RG, Amóras LHB, Gurgel do Amaral AL, Hartcopff PFP, de Souza RV, da Silva Deiga Y, Hamoy M. Recording of hippocampal activity on the effect of convulsant doses of caffeine. Biomed Pharmacother 2024; 178:117148. [PMID: 39032287 DOI: 10.1016/j.biopha.2024.117148] [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: 05/29/2024] [Revised: 07/03/2024] [Accepted: 07/12/2024] [Indexed: 07/23/2024] Open
Abstract
Seizures occur when there is a hyper-excitation of the outer layer of the brain, with subsequent excessive synchrony in a group of neurons. According to the World Health Organization (WHO), an estimated 50 million people are affected by this disease, a third of whom are resistant to the treatments available on the market. Caffeine (1,3,7-trimethylxanthine), which belongs to the purine alkaloid family, is the most widely consumed psychoactive drug in the world. It is ingested by people through drinks containing this substance, such as coffee, and as an adjuvant in analgesic therapy with non-steroidal antiflammatory drugs. The present study evaluated the electrocorticographic changes observed in the hippocampus of Wistar rats subjected to acute doses of caffeine (150 mg/kg i.p), which represents a toxic dose of caffeine corresponding to an estimated acute intake of more than 12 cups of coffee to record its convulsant activity. Our results showed, for the first time, that the administration of high doses of caffeine (150 mg/kg i.p.) in rats caused an increase in the spectral distribution of power in all frequency bands and suggested the appearance of periods of ictal and interictal peaks in the electrocorticogram (ECog). We have also shown that the anticonvulsants phenytoin, diazepam and phenobarbital have a satisfactory response when associated with caffeine.
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Affiliation(s)
- Luciana Eiró-Quirino
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil.
| | - Felipe Kiyoshi Yoshino
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Gloria Calandrini de Amorim
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Daniella Bastos de Araújo
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Gabriela Brito Barbosa
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Luana Vasconcelos de Souza
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Murilo Farias Dos Santos
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Maria Klara Otake Hamoy
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Rodrigo Gonçalves Dos Santos
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Laís Helena Baptista Amóras
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Anthony Lucas Gurgel do Amaral
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Priscille Fidelis Pacheco Hartcopff
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Raíssa Vieira de Souza
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Yris da Silva Deiga
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil
| | - Moisés Hamoy
- Laboratory of Pharmacology and Toxicology of Natural Products, Biological Sciences Institute, Federal University of Para, Belem, Para, Brazil.
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Abdelmissih S, Hosny SA, Elwi HM, Sayed WM, Eshra MA, Shaker OG, Samir NF. Chronic Caffeine Consumption, Alone or Combined with Agomelatine or Quetiapine, Reduces the Maximum EEG Peak, As Linked to Cortical Neurodegeneration, Ovarian Estrogen Receptor Alpha, and Melatonin Receptor 2. Psychopharmacology (Berl) 2024:10.1007/s00213-024-06619-4. [PMID: 38842700 DOI: 10.1007/s00213-024-06619-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 05/16/2024] [Indexed: 06/07/2024]
Abstract
RATIONALE Evidence of the effects of chronic caffeine (CAFF)-containing beverages, alone or in combination with agomelatine (AGO) or quetiapine (QUET), on electroencephalography (EEG), which is relevant to cognition, epileptogenesis, and ovarian function, remains lacking. Estrogenic, adenosinergic, and melatonergic signaling is possibly linked to the dynamics of these substances. OBJECTIVES The brain and ovarian effects of CAFF were compared with those of AGO + CAFF and QUET + CAFF. The implications of estrogenic, adenosinergic, and melatonergic signaling and the brain-ovarian crosstalk were investigated. METHODS Adult female rats were administered AGO (10 mg/kg), QUET (10 mg/kg), CAFF, AGO + CAFF, or QUET + CAFF, once daily for 8 weeks. EEG, estrous cycle progression, and microstructure of the brain and ovaries were examined. Brain and ovarian 17β-estradiol (E2), antimullerian hormone (AMH), estrogen receptor alpha (E2Rα), adenosine receptor 2A (A2AR), and melatonin receptor 2 (MT2R) were assessed. RESULTS CAFF, alone or combined with AGO or QUET, reduced the maximum EEG peak, which was positively linked to ovarian E2Rα, negatively correlated to cortical neurodegeneration and ovarian MT2R, and associated with cystic ovaries. A large corpus luteum emerged with AGO + CAFF and QUET + CAFF, antagonizing the CAFF-mediated increased ovarian A2AR and reduced cortical E2Rα. AGO + CAFF provoked TTP delay and increased ovarian AMH, while QUET + CAFF slowed source EEG frequency to δ range and increased brain E2. CONCLUSIONS CAFF treatment triggered brain and ovarian derangements partially antagonized with concurrent AGO or QUET administration but with no overt affection of estrus cycle progression. Estrogenic, adenosinergic, and melatonergic signaling and brain-ovarian crosstalk may explain these effects.
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Affiliation(s)
- Sherine Abdelmissih
- Department of Medical Pharmacology, Faculty of Medicine Kasr Al-Ainy, Cairo University, Cairo, Egypt.
| | - Sara Adel Hosny
- Department of Medical Histology, Faculty of Medicine Kasr Al-Ainy, Cairo University, Cairo, Egypt
| | - Heba M Elwi
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine Kasr Al-Ainy, Cairo University, Cairo, Egypt
| | - Walaa Mohamed Sayed
- Department of Anatomy and Embryology, Faculty of Medicine Kasr Al-Ainy, Cairo University, Cairo, Egypt
| | - Mohamed Ali Eshra
- Department of Medical Physiology, Faculty of Medicine Kasr Al-Ainy, Cairo University, Cairo, Egypt
| | - Olfat Gamil Shaker
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine Kasr Al-Ainy, Cairo University, Cairo, Egypt
| | - Nancy F Samir
- Department of Medical Physiology, Faculty of Medicine Kasr Al-Ainy, Cairo University, Cairo, Egypt
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Bartoszek A, Trzpil A, Kozub A, Fornal E. Optimization of the Zebrafish Larvae Pentylenetetrazol-Induced Seizure Model for the Study of Caffeine and Topiramate Interactions. Int J Mol Sci 2023; 24:12723. [PMID: 37628904 PMCID: PMC10454524 DOI: 10.3390/ijms241612723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Epilepsy is a common neurological disorder characterized by seizures that cause neurobiological and behavioral impairment. Caffeine (CAF), which is the most widely consumed stimulant in the world, is reported to influence epileptic seizures and antiepileptic drugs, especially topiramate (TPM). The aim of the study was to optimize the zebrafish larvae pentylenetetrazol-induced seizure model for the study of CAF and TPM interactions, which include the determination of dose space, and the delivery of an analytical method for monitoring CAF, TPM, and CAF metabolite paraxanthine (PAR) in Zebrafish larvae. Methods: The zebrafish larvae, 4 days post-fertilization, were incubated for 18 h with CAF, TPM, or CAF + TPM, with subsequent locomotor activity assessment. Seizures were evoked by adding PTZ solution to obtain a final concentration of 20 mM. Subsequently, the liquid chromatography-mass spectrometry (LC-MS/MS) analytical method was used to simultaneously assess the levels of both CAF and TPM in the larvae. CAF (50 mg/L) and TPM (75 μM) given separately decreased the average larvae locomotor activity compared to the PTZ group but, however, were not able to lower it to the control level. Co-administration of 25 mg/L CAF and 50 μM TPM suppressed the activity to the same level. Adding 25 μM TPM to 50 mg/L CAF decrease the measured CAF level in the larvae. Until proven otherwise, CAF consumption should be regarded as a potential determinant in the modulation of TPM's efficacy in the management of epileptic seizures. The optimized model will contribute to the standardization of studying CAF and TPM interactions and building the understanding of the molecular bases of the interaction.
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Affiliation(s)
- Adrian Bartoszek
- Department of Bioanalytics, Medical University of Lublin, ul. Jaczewskiego 8b, 20-090 Lublin, Poland (E.F.)
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Chwedorowicz R, Łukawski K, Raszewski G, Czuczwar SJ. Caffeine impairs anticonvulsant effects of levetiracetam in the maximal electroshock seizure threshold test in mice. J Basic Clin Physiol Pharmacol 2023; 34:357-364. [PMID: 36420661 DOI: 10.1515/jbcpp-2022-0224] [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: 08/19/2022] [Accepted: 11/08/2022] [Indexed: 05/17/2023]
Abstract
OBJECTIVES Caffeine is the most widely used psychoactive substance in the world. Animal studies indicate that acute caffeine exposure at high doses may induce seizures and diminish the anticonvulsant activity of antiepileptic drugs (AEDs) at much lower doses. The aim of the current study was to assess the effect of caffeine on the anticonvulsant action of levetiracetam (LEV) and vigabatrin (VGB). METHODS The anticonvulsant activity of LEV and VGB was examined in the maximal electroshock seizure threshold test in mice (MEST test). All drugs were administered intraperitoneally by single injections, and caffeine was applied at doses capable of interfering with AEDs. Effects of caffeine exposure on AEDs were also investigated in tests of memory and motor performance. RESULTS Caffeine reduced the protective effect of LEV against electroconvulsions. Total brain concentration of LEV was unaffected by caffeine as well as inversely; LEV had no significant impact on the brain caffeine concentration, suggesting a pharmacodynamic nature of the interaction between LEV and caffeine in the MEST test. VGB at applied doses did not affect the convulsive threshold. Administration of VGB, but not LEV, alone or in combination with caffeine, impaired memory retention. In the chimney test, the combined treatment with AEDs and caffeine did not cause motor coordination impairment. CONCLUSIONS It is suggested that caffeine may negatively affect the anticonvulsant action of LEV in patients with epilepsy.
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Affiliation(s)
- Roman Chwedorowicz
- Department of Physiopathology, Institute of Rural Health, Lublin, Poland
| | - Krzysztof Łukawski
- Department of Physiopathology, Institute of Rural Health, Lublin, Poland
| | - Grzegorz Raszewski
- Department of Toxicology and Food Protection, Institute of Rural Health, Lublin, Poland
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Caffeine intoxication: Behavioral and electrocorticographic patterns in Wistar rats. Food Chem Toxicol 2022; 170:113452. [DOI: 10.1016/j.fct.2022.113452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 09/06/2022] [Accepted: 09/28/2022] [Indexed: 11/12/2022]
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Effects of Postnatal Caffeine Exposure on Absence Epilepsy and Comorbid Depression: Results of a Study in WAG/Rij Rats. Brain Sci 2022; 12:brainsci12030361. [PMID: 35326317 PMCID: PMC8946037 DOI: 10.3390/brainsci12030361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/03/2022] [Accepted: 03/06/2022] [Indexed: 02/01/2023] Open
Abstract
The present study aims to investigate effect of early caffeine exposure on epileptogenesis and occurrence of absence seizures and comorbid depression in adulthood. For this purpose, Wistar Albino Glaxo from Rijswijk (WAG/Rij) rats were enrolled in a control and two experimental groups on the 7th day after the delivery. The rats in experimental groups received either 10 or 20 mg/kg caffeine subcutaneously while animals in control group had subcutaneous injections of 0.9% saline. The injections started at postnatal day 7 (PND7) and were continued each day for 5 days. At 6–7 months of age, electroencephalogram (EEG) recordings and behavioral recordings in the forced swimming test, sucrose consumption/preference test and locomotor activity test were carried out. At 6 months of age, 10 mg/kg and 20 mg/kg caffeine-treated WAG/Rij rats showed increased immobility latency and active swimming duration in forced swimming test when compared with the untreated controls. In addition, 20 mg/kg caffeine treatment decreased immobility time. In sucrose preference/consumption tests, WAG/Rij rats in 10 mg/kg caffeine group demonstrated higher sucrose consumption and preference compared to untreated controls. The rats treated with 20 mg/kg caffeine showed higher sucrose preference compared to control rats. The exploratory activity of rats in the 10 mg/kg caffeine-treated group was found to be higher than in the 20 mg/kg caffeine-treated and control groups in the locomotor activity test. At 7 months of age, caffeine-treated animals showed a decreased spike-wave discharge (SWD) number compared to the control animals. These results indicate that postnatal caffeine treatment may decrease the number of seizure and depression-like behaviors in WAG/Rij rats in later life. Caffeine blockade of adenosine receptors during the early developmental period may have beneficial effects in reducing seizure frequency and depression-like behaviors in WAG/Rij rat model.
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Effect of caffeine on the anticonvulsant action of pregabalin against electroconvulsions in mice. Pharmacol Rep 2022; 74:431-437. [PMID: 35171455 DOI: 10.1007/s43440-022-00356-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/24/2022] [Accepted: 02/02/2022] [Indexed: 10/19/2022]
Abstract
BACKGROUND Experimental data indicate that caffeine (CAF) can reduce the anticonvulsant activity of antiepileptic drugs (AEDs) in animal models of seizures. The purpose of the current study was to examine the effect of CAF on the protective action of pregabalin (PGB) against electroconvulsions in mice. METHODS Maximal electroshock seizure (MES) test was used in the current study. In addition, the combined treatment with CAF and PGB was assessed in the passive avoidance task (long-term memory) and the chimney test (motor coordination). Drugs were injected intraperitoneally (ip) as single injections. CAF was administered at doses reported to compromise the anticonvulsant action of AEDs in mice. RESULTS CAF at a dose of 23.1 mg/kg reduced the anticonvulsant action of PGB in the MES test. The brain concentration of PGB was not significantly changed by CAF and vice versa. In the chimney test, CAF (23.1 mg/kg) protected mice against PGB-induced motor coordination impairment. CONCLUSIONS Regarding seizure control, it might be suggested that patients with epilepsy treated with PGB should avoid taking CAF. The estimated total brain concentration of PGB and CAF does not suggest a pharmacokinetic interaction as an explanation for these results.
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Bourgeois-Vionnet J, Ryvlin P, Elsensohn MH, Michel V, Valton L, Derambure P, Frazzini V, Hirsch E, Maillard L, Bartolomei F, Biberon J, Petit J, Biraben A, Crespel A, Thomas P, Lemesle-Martin M, Convers P, Leclercq M, Boulogne S, Roy P, Rheims S. Coffee consumption and seizure frequency in patients with drug-resistant focal epilepsy. Epilepsy Behav 2022; 126:108486. [PMID: 34929474 DOI: 10.1016/j.yebeh.2021.108486] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To assess the relation between coffee consumption and seizure frequency in patients with drug-resistant focal epilepsy. METHODS Cross-sectional analysis of data collected in the SAVE study, which included patients with drug-resistant focal epilepsy during long-term EEG monitoring. Patients in whom both coffee consumption and data about seizure frequency, including focal to bilateral tonic-clonic seizures (FBTCS), were available were selected. Coffee consumption was collected using a standardized self-report questionnaire and classified into four groups: none, rare (from less than 1 cup/week to up 3 cups/week), moderate (from 4 cups/week to 3 cups/day), and high (more than 4 cups/day). RESULTS Six hundred and nineteen patients were included. There was no relation between coffee consumption and total seizure frequency (p = 0.902). In contrast, the number of FBTCS reported over the past year was significantly associated with usual coffee consumption (p = 0.029). Specifically, number of FBCTS in patients who reported moderate coffee consumption was lower than in others. In comparison with patients with moderate coffee consumption, the odds ratio (95%CI) for reporting at least 1 FBTCS per year was 1.6 (1.03-2.49) in patients who never take coffee, 1.62 (1.02-2.57) in those with rare consumption and 2.05 (1.24-3.4) in those with high consumption. Multiple ordinal logistic regression showed a trend toward an association between coffee consumption and number of FBTCS (p = 0.08). CONCLUSIONS AND RELEVANCE Our data suggest that effect of coffee consumption on seizures might depend on dose with potential benefits on FBTCS frequency at moderate doses. These results will have to be confirmed by prospective studies.
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Affiliation(s)
- Julie Bourgeois-Vionnet
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France
| | - Philippe Ryvlin
- Department of Clinical Neurosciences, Centre Hospitalo-Universitaire Vaudois, Lausanne, Switzerland
| | - Mad-Hélénie Elsensohn
- Lyon University, Lyon, France; Équipe Biostatistique Santé, Laboratoire de Biométrie et Biologie Évolutive, CNRS UMR 5558, Villeurbanne, France; Service de Biostatistique-Bioinformatique, Pôle Santé Publique, Hospices Civils de Lyon, Lyon, France
| | | | - Luc Valton
- Clinical Neurophysiology, Department of Neurology, University Hospital of Toulouse, CerCO CNRS UMR 5549, University of Toulouse, France
| | - Philippe Derambure
- Department of Clinical Neurophysiology, Lille University Medical Center, EA 1046, University of Lille 2, France
| | - Valerio Frazzini
- Epileptology Unit, Assistance Publique-Hôpitaux de Paris, Groupe hospitalier Pitié-Salpêtrière and Brain and Spine Institute (ICM; INSERM UMRS1127, CNRS UMR7225, UPMC University Paris 06), Paris, France
| | - Edouard Hirsch
- Department of Neurology, University Hospital of Strasbourg, Strasbourg, France
| | - Louis Maillard
- Neurology Department, University Hospital of Nancy, Nancy, France
| | - Fabrice Bartolomei
- Clinical Neurophysiology and Epileptology Department, Timone Hospital, Marseille, France
| | - Julien Biberon
- Department of Clinical Neurophysiology, INSERM U930, University Hospital of Tours, Tours, France
| | - Jerôme Petit
- La Teppe Epilepsy Center, Tain l'Hermitage, France
| | - Arnaud Biraben
- Department of Neurology, University Hospital of Rennes, Rennes, France
| | | | - Pierre Thomas
- Neurology Department University Hospitals of Nice, Nice, France
| | | | - Philippe Convers
- Department of Neurology, University Hospital of Saint-Etienne, Saint-Etienne, France
| | - Mathilde Leclercq
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France
| | - Sébastien Boulogne
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France; Lyon's Neuroscience Research Center, INSERM U1028 / CNRS UMR 5292 and Lyon 1 University, Lyon, France
| | - Pascal Roy
- Lyon University, Lyon, France; Équipe Biostatistique Santé, Laboratoire de Biométrie et Biologie Évolutive, CNRS UMR 5558, Villeurbanne, France; Service de Biostatistique-Bioinformatique, Pôle Santé Publique, Hospices Civils de Lyon, Lyon, France
| | - Sylvain Rheims
- Department of Functional Neurology and Epileptology, Hospices Civils de Lyon and University of Lyon, Lyon, France; Lyon's Neuroscience Research Center, INSERM U1028 / CNRS UMR 5292 and Lyon 1 University, Lyon, France; Epilepsy Institute, Lyon, France.
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Szałwińska K, Cyuńczyk M, Kochanowicz J, Witkowska AM. Dietary and lifestyle behavior in adults with epilepsy needs improvement: a case-control study from northeastern Poland. Nutr J 2021; 20:62. [PMID: 34187474 PMCID: PMC8243538 DOI: 10.1186/s12937-021-00704-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 05/13/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Several factors predispose individuals with epilepsy to chronic diseases. Among them, nutrition and lifestyle factors have not been sufficiently studied. Therefore, the aim of this study was to evaluate patients with epilepsy in terms of diet, body composition and physical activity compared to healthy sex- and age-matched subjects to investigate whether there are risk factors for nutritional deficiencies and risk factors for the development of metabolic diseases. METHODS The case-control study involved 60 epileptic male and female volunteers and 70 healthy controls matched according to age and sex. Medical information was collected during the study, and a detailed questionnaire regarding eating and lifestyle habits was conducted. Physical activity was evaluated using the International Physical Activity Questionnaire (IPAQ). Nutritional status was assessed by bioelectric impedance. Venous blood samples were taken for lipid and 25-hydroxyvitamin D3 (25(OH)D3) analyses. RESULTS A tendency toward an increase in LDL cholesterol was found in the individuals with epilepsy. Significantly higher body fat and insignificantly higher visceral fat were found in epileptic men than in healthy men. In epileptic women, a tendency toward a lower lean body mass was found. Patients with epilepsy were more sedentary, consumed less cottage cheese, fruit, pulses, nuts and seeds, vitamin C and potassium, and consumed more sugar-sweetened soda, fat and sodium than healthy people. On a positive note, individuals with epilepsy consumed less coffee and alcoholic beverages. More than 80% of the epileptic volunteers had diets that were low in folic acid, vitamin D and calcium, but a similar tendency was observed in the healthy volunteers. A higher percentage of the patients with epilepsy had diets that were low in niacin, vitamin C and potassium than the control group (25% vs. 7, 50% vs. 31% and 73 vs. 56%, respectively). A significantly lower serum concentration of 25(OH)D3 was observed in epileptic individuals and was found to be positively modulated by physical activity. CONCLUSIONS The results indicate that several behavior-related habits, which may predispose epileptic people to cardiovascular disease, need to be improved. For this reason, patients with epilepsy should be provided with more comprehensive medical care, including advice on nutrition and physical activity.
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Affiliation(s)
- Kamila Szałwińska
- Department of Food Biotechnology, Medical University of Białystok, Białystok, Poland
| | - Monika Cyuńczyk
- Department of Food Biotechnology, Medical University of Białystok, Białystok, Poland
| | - Jan Kochanowicz
- Department of Neurology, Medical University of Białystok, Białystok, Poland
| | - Anna M Witkowska
- Department of Food Biotechnology, Medical University of Białystok, Białystok, Poland.
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Phillips TJ, Gom RC, Wolff MD, Teskey GC. Caffeine Exacerbates Postictal Hypoxia. Neuroscience 2019; 422:32-43. [PMID: 31678341 DOI: 10.1016/j.neuroscience.2019.09.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 09/12/2019] [Accepted: 09/17/2019] [Indexed: 12/11/2022]
Abstract
A stroke-like event follows seizures which may be responsible for the postictal state and a contributing factor to the development of seizure-induced brain abnormalities and behavioral dysfunction associated with epilepsy. Caffeine is the world's most popular drug with ∼85% of people in the USA consuming it daily. Thus, persons with epilepsy are likely to have caffeine in their body and brain during seizures. This preclinical study investigated the effects of acute caffeine on local hippocampal tissue oxygenation pre and post seizure. We continuously measured local oxygen levels in the CA1 region of the hippocampus and utilized the electrical kindling model in rats. Rats were acutely administered either caffeine, or one of its metabolites, or agonists and antagonists at adenosine sub-receptor types or ryanodine receptors prior to the elicitation of seizures. Acute caffeine administration caused a significant drop in pre-seizure hippocampal pO2. Following a seizure, caffeine, as well as two of its metabolites paraxanthine, and theophylline, increased the time below the severe hypoxic threshold (10 mmHg). Likewise, the specific A2A receptor antagonist, SCH-58261, mimicked caffeine by causing a significant drop in pre-seizure pO2 and the area and time below the severe hypoxic threshold. Moreover, the A2A receptor agonist, CGS-21680 was able to prevent the effect of both caffeine and SCH-58261 adding further evidence that caffeine is likely acting through the A2A receptor. Clinical tracking and investigations are needed to determine the effect of caffeine on postictal symptomology and blood flow in persons with epilepsy.
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Affiliation(s)
- Thomas J Phillips
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Renaud C Gom
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Marshal D Wolff
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - G Campbell Teskey
- Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
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