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Abbas-Hashemi SA, Hosseininasab D, Rastgoo S, Shiraseb F, Asbaghi O. The effects of caffeine supplementation on blood pressure in adults: A systematic review and dose-response meta-analysis. Clin Nutr ESPEN 2023; 58:165-177. [PMID: 38057002 DOI: 10.1016/j.clnesp.2023.09.923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 12/08/2023]
Abstract
BACKGROUND AND AIMS Hypertension is a serious complication linked to a higher risk for organs. Caffeine is a natural component that affects the cardiovascular system, while the mechanisms of its effects are not fully established. Therefore, we aimed to examine the impact of caffeine supplementation on blood pressure (BP) by conducting a systematic review and dose-response meta-analysis of randomized controlled clinical trials (RCTs). METHODS AND RESULTS We searched online databases using relevant keywords up to July 2022 to identify RCTs using caffeine on systolic (SBP) and diastolic BP (DBP) in adults. Inclusion criteria were adult participants ≥18 years old for subjects, examining the effect of caffeine supplementation on BP, and RCTs studies. A random-effects model was used to estimate the weighted mean difference (WMD) and 95% confidence (CI). The pooled of 11 effect sizes analysis of 8 studies demonstrated significant increases in SBP (WMD:1.94 mmHg; 95%CI:0.52, 3.35; p = 0.007) and DBP (WMD:1.66 mmHg; 95% CI:0.75, 2.57; p = 0.000) after caffeine supplementation. The subgroup analysis showed that caffeine supplementation more effectively increased SBP and DBP in males than females. Moreover, meta-regression analysis demonstrated a significant relationship between the dose of caffeine intake and changes in SBP (p = 0.000), DBP (p = 0.000), and duration of the trial in SBP (p = 0.005), and DBP (p = 0.001). The non-linear dose-response analysis detected the dosage of supplementation >400 mg/day is effective for increasing DBP (p = 0.034), and the duration of supplementation of more than nine weeks makes increasing in both SBP and DBP. CONCLUSION This meta-analysis shows that caffeine supplementation significantly increased SBP and DBP in adults.
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Affiliation(s)
- Seyed Ali Abbas-Hashemi
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Dorsa Hosseininasab
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Samira Rastgoo
- Department of Cellular and Molecular Nutrition, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Farideh Shiraseb
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
| | - Omid Asbaghi
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Oberhoffer FS, Dalla-Pozza R, Jakob A, Haas NA, Mandilaras G, Li P. Energy drinks: effects on pediatric 24-h ambulatory blood pressure monitoring. A randomized trial. Pediatr Res 2023; 94:1172-1179. [PMID: 37061642 PMCID: PMC10444612 DOI: 10.1038/s41390-023-02598-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/14/2023] [Accepted: 02/27/2023] [Indexed: 04/17/2023]
Abstract
BACKGROUND Energy drinks (EDs) are popular beverages among minors. To date, clinical studies investigating ED-induced effects on the pediatric cardiovascular system are sparse. This study aimed to investigate the effects of a single, bodyweight-adjusted ED dosage on 24-h ambulatory blood pressure monitoring (ABPM) in healthy children and adolescents. METHODS This study was a randomized, single-blind, placebo-controlled, crossover clinical trial. Study participants received a single, bodyweight-adjusted ED amount or a placebo drink on 2 consecutive days at similar morning hours. Twenty-four-hour ABPM was assessed via an automated oscillometric blood pressure device after beverage consumption on both study days. RESULTS A total of 17 healthy children and teenagers (13.90 (12.29-17.89) years) were included in the final analysis. The ED consumption led, compared to the placebo intake, to a significantly higher 24-h systolic (115.90 (110.22-118.04) vs. 110.64 (108.09-115.45) mmHg, p = 0.013) and diastolic blood pressure (66.08 (64.20-68.32) vs. 62.63 (61.40-66.46) mmHg, p = 0.005). CONCLUSIONS The single, bodyweight-adjusted ED consumption is linked with a significantly higher systolic as well as diastolic 24-h blood pressure in healthy children and adolescents. Minors, particularly those with an increased cardiovascular morbidity, should be discouraged from drinking EDs. IMPACT Energy drinks (EDs) are consumed by many children and teenagers. While adverse cardiovascular events after ED consumption were reported in the literature, the effects of these beverages on the pediatric 24-h blood pressure profile have not been systematically evaluated yet. In our manuscript, we demonstrate for the first time that acute ED consumption is associated with a significantly higher 24-h systolic blood pressure and diastolic blood pressure in healthy minors.
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Affiliation(s)
- Felix S Oberhoffer
- Division of Pediatric Cardiology and Intensive Care, University Hospital, LMU Munich, 81377, Munich, Germany.
| | - Robert Dalla-Pozza
- Division of Pediatric Cardiology and Intensive Care, University Hospital, LMU Munich, 81377, Munich, Germany
| | - André Jakob
- Division of Pediatric Cardiology and Intensive Care, University Hospital, LMU Munich, 81377, Munich, Germany
| | - Nikolaus A Haas
- Division of Pediatric Cardiology and Intensive Care, University Hospital, LMU Munich, 81377, Munich, Germany
| | - Guido Mandilaras
- Division of Pediatric Cardiology and Intensive Care, University Hospital, LMU Munich, 81377, Munich, Germany
| | - Pengzhu Li
- Division of Pediatric Cardiology and Intensive Care, University Hospital, LMU Munich, 81377, Munich, Germany
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Virgili J, Motitis P, Julal G, Mavrommatis Y, Pilic L. The impact of genetic variability on the relationship between caffeine and cardiometabolic outcomes: A systematic review. NUTR BULL 2023; 48:28-42. [PMID: 36842137 DOI: 10.1111/nbu.12606] [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: 06/01/2022] [Revised: 01/09/2023] [Accepted: 01/11/2023] [Indexed: 02/27/2023]
Abstract
The relationship between caffeine consumption and cardiometabolic health has been reported, however with heterogenous results. Discrepancies in study results may be due to inter-individual variability between study participants. This systematic review aimed to identify the impact of genetics on the relationship between caffeine consumption and cardiometabolic outcomes. Electronic databases (PubMed and EMBASE) were searched for studies published until July 2021. Selected studies were of both intervention and observational design and included (1) analysis of at least one of the selected cardiometabolic outcome (type 2 diabetes, glucose/insulin levels, cardiovascular disease [CVD], blood pressure [BP] or hypertension, and blood lipid and catecholamine levels), (2) adults aged 18-65 years, and (3) genetic analysis of individuals consuming caffeine. Seventeen studies were included: four randomised controlled trials and an interventional and quasi-experimental study, six population-based prospective cohort studies, three cross-sectional studies, and three case-control studies. CYP1A2 rs762551 and ADORA rs5751876 were associated with glucose response when caffeine was consumed with carbohydrates. CYP1A2 rs762551 moderated the association between coffee intake and hypertension. Moreover, ADORA2A rs5751876 and the ADRA2B I variants moderated the associations between caffeine and BP. Studies that investigated the effects of genetic variations on CVD and caffeine consumption reported equivocal findings (CYP1A2) or warrant replication (COMT, ADORA and TRIB1). Elucidating the extent to which these genes moderate the association between caffeine and cardiometabolic outcomes will enable caffeine consumption advice to be tailored to specific individuals to optimise health.
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Affiliation(s)
- Jessica Virgili
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
| | - Petros Motitis
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
| | - Gabrielle Julal
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
| | - Yiannis Mavrommatis
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
| | - Leta Pilic
- Department of Health Science, Faculty of Sport, Allied Health and Performance Sciences, St Mary's University Twickenham, Twickenham, UK
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Grant SS, Kim K, Friedman BH. How Long Is Long Enough? Controlling for Acute Caffeine Intake in Cardiovascular Research. Brain Sci 2023; 13:224. [PMID: 36831767 PMCID: PMC9954082 DOI: 10.3390/brainsci13020224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/23/2022] [Accepted: 12/28/2022] [Indexed: 01/31/2023] Open
Abstract
Caffeine substantially affects cardiovascular functioning, yet wide variability exists in caffeine control procedures in cardiovascular reactivity research. This study was conducted in order to identify a minimal abstention duration in habitual coffee consumers whereby cardiovascular reactivity is unconfounded by caffeine; Six hours (caffeine's average half-life) was hypothesized. Thirty-nine subjects (mean age: 20.9; 20 women) completed a repeated measures study involving hand cold pressor (CP) and memory tasks. Caffeinated and decaffeinated coffee were administered. The following cardiovascular indices were acquired during pre-task, task, and post-task epochs prior to coffee intake, 30 min-, and six hours post-intake: Heart rate (HR), high-frequency heart rate variability (HF-HRV), root mean squared successive differences (RMSSD), systolic and diastolic blood pressures (SBP, DBP), mean arterial pressure (MAP), pre-ejection period (PEP), left ventricular ejection time (LVET), systemic vascular resistance (SVR), systemic vascular resistance index (SVRI). Results support the adequacy of a six-hour abstention in controlling for caffeine-elicited cardiovascular changes. The current study offers a suggested guideline for caffeine abstention duration in cardiovascular research in psychophysiology. Consistent practice in caffeine abstention protocols would promote validity and reliability across such studies.
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Affiliation(s)
- Shara S. Grant
- Department of Psychology, Virginia Tech, 109 Williams Hall, Blacksburg, VA 24061, USA
- Department of Pharmacology and Physiology, George Washington University, 2300 I Street NW Ste 640, Washington, DC 20037, USA
| | - Kye Kim
- Department of Psychiatry and Behavioral Medicine, Virginia Tech Carilion Clinic School of Medicine, 1 Riverside Circle, Roanoke, VA 24016, USA
| | - Bruce H. Friedman
- Department of Psychology, Virginia Tech, 109 Williams Hall, Blacksburg, VA 24061, USA
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Muacevic A, Adler JR. Does Drinking Coffee Reduce the Incidence of Parkinson's Disease? Cureus 2023; 15:e34296. [PMID: 36721713 PMCID: PMC9883660 DOI: 10.7759/cureus.34296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2023] [Indexed: 01/30/2023] Open
Abstract
Parkinson's disease (PD) is an increasing threat to first-world nations as their population ages, with around one in 100 suffering from it by age 60. Incurable, with treatments that do little to delay disease progression, PD induces severe disability and even death in those afflicted. The search for preventative measures has revealed the widely used psychoactive stimulant caffeine, which competitively inhibits adenosine receptors to induce a wide variety of effects. The inhibition of inflammation and microglial cell activation to reduce reactive oxygen species (ROS)-induced cellular damage and the resultant mitochondrial dysfunction of the dopaminergic neurons appears to be the main pathway, inducing neuronal loss via the activation of the intrinsic pathway to apoptosis. Mouse models and human data reinforce that caffeine delays the onset of PD in a dose-dependent manner. Evidence suggests it is more beneficial in men than women and is not beneficial at all in women undergoing hormone replacement therapy (HRT). Additionally, some studies suggest that although caffeinated drinks such as cola and tea are beneficial, there may be other products in coffee that prevent the effect, though this requires further research. Although there is strong evidence that caffeine is neuroprotective, there is less evidence that it delays the onset of PD. Given the association with cardiovascular disease, it may be disadvantageous overall to the majority of the population to supplement caffeine, though still a beneficial preventative technique for individuals with a genetic predisposition to PD that may otherwise suffer early onset.
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Nayeem MA, Geldenhuys WJ, Hanif A. Role of cytochrome P450-epoxygenase and soluble epoxide hydrolase in the regulation of vascular response. ADVANCES IN PHARMACOLOGY 2023; 97:37-131. [DOI: 10.1016/bs.apha.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Nayeem MA, Hanif A, Geldenhuys WJ, Agba S. Crosstalk between adenosine receptors and CYP450-derived oxylipins in the modulation of cardiovascular, including coronary reactive hyperemic response. Pharmacol Ther 2022; 240:108213. [PMID: 35597366 DOI: 10.1016/j.pharmthera.2022.108213] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 12/14/2022]
Abstract
Adenosine is a ubiquitous endogenous nucleoside or autacoid that affects the cardiovascular system through the activation of four G-protein coupled receptors: adenosine A1 receptor (A1AR), adenosine A2A receptor (A2AAR), adenosine A2B receptor (A2BAR), and adenosine A3 receptor (A3AR). With the rapid generation of this nucleoside from cellular metabolism and the widespread distribution of its four G-protein coupled receptors in almost all organs and tissues of the body, this autacoid induces multiple physiological as well as pathological effects, not only regulating the cardiovascular system but also the central nervous system, peripheral vascular system, and immune system. Mounting evidence shows the role of CYP450-enzymes in cardiovascular physiology and pathology, and the genetic polymorphisms in CYP450s can increase susceptibility to cardiovascular diseases (CVDs). One of the most important physiological roles of CYP450-epoxygenases (CYP450-2C & CYP2J2) is the metabolism of arachidonic acid (AA) and linoleic acid (LA) into epoxyeicosatrienoic acids (EETs) and epoxyoctadecaenoic acid (EpOMEs) which generally involve in vasodilation. Like an increase in coronary reactive hyperemia (CRH), an increase in anti-inflammation, and cardioprotective effects. Moreover, the genetic polymorphisms in CYP450-epoxygenases will change the beneficial cardiovascular effects of metabolites or oxylipins into detrimental effects. The soluble epoxide hydrolase (sEH) is another crucial enzyme ubiquitously expressed in all living organisms and almost all organs and tissues. However, in contrast to CYP450-epoxygenases, sEH converts EETs into dihydroxyeicosatrienoic acid (DHETs), EpOMEs into dihydroxyoctadecaenoic acid (DiHOMEs), and others and reverses the beneficial effects of epoxy-fatty acids leading to vasoconstriction, reducing CRH, increase in pro-inflammation, increase in pro-thrombotic and become less cardioprotective. Therefore, polymorphisms in the sEH gene (Ephx2) cause the enzyme to become overactive, making it more vulnerable to CVDs, including hypertension. Besides the sEH, ω-hydroxylases (CYP450-4A11 & CYP450-4F2) derived metabolites from AA, ω terminal-hydroxyeicosatetraenoic acids (19-, 20-HETE), lipoxygenase-derived mid-chain hydroxyeicosatetraenoic acids (5-, 11-, 12-, 15-HETEs), and the cyclooxygenase-derived prostanoids (prostaglandins: PGD2, PGF2α; thromboxane: Txs, oxylipins) are involved in vasoconstriction, hypertension, reduction in CRH, pro-inflammation and cardiac toxicity. Interestingly, the interactions of adenosine receptors (A2AAR, A1AR) with CYP450-epoxygenases, ω-hydroxylases, sEH, and their derived metabolites or oxygenated polyunsaturated fatty acids (PUFAs or oxylipins) is shown in the regulation of the cardiovascular functions. In addition, much evidence demonstrates polymorphisms in CYP450-epoxygenases, ω-hydroxylases, and sEH genes (Ephx2) and adenosine receptor genes (ADORA1 & ADORA2) in the human population with the susceptibility to CVDs, including hypertension. CVDs are the number one cause of death globally, coronary artery disease (CAD) was the leading cause of death in the US in 2019, and hypertension is one of the most potent causes of CVDs. This review summarizes the articles related to the crosstalk between adenosine receptors and CYP450-derived oxylipins in vascular, including the CRH response in regular salt-diet fed and high salt-diet fed mice with the correlation of heart perfusate/plasma oxylipins. By using A2AAR-/-, A1AR-/-, eNOS-/-, sEH-/- or Ephx2-/-, vascular sEH-overexpressed (Tie2-sEH Tr), vascular CYP2J2-overexpressed (Tie2-CYP2J2 Tr), and wild-type (WT) mice. This review article also summarizes the role of pro-and anti-inflammatory oxylipins in cardiovascular function/dysfunction in mice and humans. Therefore, more studies are needed better to understand the crosstalk between the adenosine receptors and eicosanoids to develop diagnostic and therapeutic tools by using plasma oxylipins profiles in CVDs, including hypertensive cases in the future.
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Affiliation(s)
- Mohammed A Nayeem
- Faculties of the Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, USA.
| | - Ahmad Hanif
- Faculties of the Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, USA
| | - Werner J Geldenhuys
- Faculties of the Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, USA
| | - Stephanie Agba
- Graduate student, Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, USA
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Oberhoffer FS, Li P, Jakob A, Dalla-Pozza R, Haas NA, Mandilaras G. Energy Drinks Decrease Left Ventricular Efficiency in Healthy Children and Teenagers: A Randomized Trial. SENSORS (BASEL, SWITZERLAND) 2022; 22:7209. [PMID: 36236307 PMCID: PMC9572576 DOI: 10.3390/s22197209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/17/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Background: Minors are considered the main consumer group of energy drinks (EDs). The aim of this study was to investigate the acute effects of ED consumption on left ventricular (LV) hemodynamics and efficiency in healthy children and teenagers. Methods: This study was a randomized, single-blind, placebo-controlled, crossover clinical trial. Study participants consumed a weight-adjusted amount of an ED or a placebo on two consecutive days. LV hemodynamics and efficiency parameters were evaluated non-invasively by generating LV pressure−volume loops (PVLs) through simultaneous echocardiography and blood pressure measurement. Results: A total of 24 children and teenagers (14.90 ± 2.27 years, 13 male) were included in the present study. Conventional echocardiographic parameters of LV function did not show significant differences between both beverage groups. The non-invasive generation of LV PVLs revealed a significantly lower cardiac efficiency 240 min after the ED consumption compared to the placebo intake (140.72 (133.21−149.73) mmHg vs. 135.60 (124.78−140.33) mmHg, p < 0.01). Conclusions: Acute ED consumption is associated with a significantly lower cardiac efficiency in healthy minors. The generation of non-invasive LV PVLs might be beneficial in the assessment of subtle changes in LV efficiency. Further studies need to investigate the influence of chronic ED consumption on LV function and morphology.
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Adenosine, Adenosine Receptors and Neurohumoral Syncope: From Molecular Basis to Personalized Treatment. Biomedicines 2022; 10:biomedicines10051127. [PMID: 35625864 PMCID: PMC9138351 DOI: 10.3390/biomedicines10051127] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/05/2022] [Accepted: 05/11/2022] [Indexed: 11/17/2022] Open
Abstract
Adenosine is a ubiquitous nucleoside that is implicated in the occurrence of clinical manifestations of neuro-humoral syncope (NHS). NHS is characterized by a drop in blood pressure due to vasodepression together with cardio inhibition. These manifestations are often preceded by prodromes such as headaches, abdominal pain, feeling of discomfort or sweating. There is evidence that adenosine is implicated in NHS. Adenosine acts via four subtypes of receptors, named A1 (A1R), A2A (A2AR), A2B (A2BR) and A3 (A3R) receptors, with all subtypes belonging to G protein membrane receptors. The main effects of adenosine on the cardiovascular system occurs via the modulation of potassium ion channels (IK Ado, K ATP), voltage-gate calcium channels and via cAMP production inhibition (A1R and A3R) or, conversely, through the increased production of cAMP (A2A/BR) in target cells. However, it turns out that adenosine, via the activation of A1R, leads to bradycardia, sinus arrest or atrioventricular block, while the activation of A2AR leads to vasodilation; these same manifestations are found during episodes of syncope. The use of adenosine receptor antagonists, such as theophylline or caffeine, should be useful in the treatment of some forms of NHS. The aim of this review was to summarize the main data regarding the link between the adenosinergic system and NHS and the possible consequences on NHS treatment by means of adenosine receptor antagonists.
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Hutson P, Guieu R, Deharo JC, Michelet P, Brignole M, Vander Ark C, Hamdan MH. Safety, Pharmacokinetic, and Pharmacodynamic Study of a Sublingual Formula for the Treatment of Vasovagal Syncope. Drugs R D 2022; 22:61-70. [PMID: 35150431 PMCID: PMC8885938 DOI: 10.1007/s40268-021-00378-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2021] [Indexed: 11/28/2022] Open
Abstract
Background Vasovagal syncope is a common cause of syncope which, if recurrent, can have multiple negative consequences such as injury and occupational disability. Various medications can be used to decrease the recurrence of vasovagal syncope but there are no drugs that can be used by patients to interrupt a perceived vasovagal episode. Methods A phase I study was performed to evaluate the tolerability and safety of a gel formulation containing capsaicin (1 mg), phenylephrine HCL (PE) and caffeine citrate (200 mg) (CPC) in normal adult volunteers. Secondary objectives were to characterize the pharmacokinetics (PK) of the CPC formulation and the highest dose of PE needed to achieve a target increase in systolic BP of at least 40 mmHg. After receiving the first dose, a second dose of the CPC mixture was administered at 2 h. Suboptimal changes in systolic blood pressure (SBP) were noted at PE doses of 0.6, 1.2, and 1.8 mg, therefore a second cohort was studied at PE doses of 10, 20, and 30 mg. Blood samples were collected in rapid sequence and were assayed for all three drugs. Results A total of 17 subjects received the drug with no serious adverse effects reported. All doses were well tolerated, although the capsaicin content usually caused expected temporary oral and gastric discomfort. One subject did not complete the study because of a vasovagal reaction that was associated with the frequent blood sampling. There was a 5–25 min lag in the appearance of measurable blood concentrations of capsaicin and phenylephrine. Most subjects had baseline caffeine concentrations from dietary use, with a gradual increase noted after 15 min consistent with GI absorption. Although the intended criterion of a 40 mmHg increase in SBP was not reached, a clinically significant increase in BP for at least 15 min was noted in the six subjects who received the highest dose of PE (30 mg), with a gradual decline over the next 2 h. Conclusion The ternary mixture of capsaicin, phenylephrine, and caffeine was well tolerated when administered as two sublingual/oral doses over a 2-h period.
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Affiliation(s)
- Paul Hutson
- School of Pharmacy, University of Wisconsin-Madison, 777 Highland Avenue, Madison, WI, 53705, USA.
| | - Regis Guieu
- Assistance Publique, Hôpitaux de Marseille, Centre Hospitalier Universitaire La Timone, Service de Cardiologie, Marseille, France.,Aix Marseille Université, C2VN, Marseille, France
| | - Jean-Claude Deharo
- Assistance Publique, Hôpitaux de Marseille, Centre Hospitalier Universitaire La Timone, Service de Cardiologie, Marseille, France.,Aix Marseille Université, C2VN, Marseille, France
| | - Pierre Michelet
- Assistance Publique, Hôpitaux de Marseille, Centre Hospitalier Universitaire La Timone, Service de Cardiologie, Marseille, France.,Aix Marseille Université, C2VN, Marseille, France
| | - Michele Brignole
- IRCCS, Istituto Auxologico Italiano, Faint and Fall Programme, Cardiology Unit and Department of Cardiovascular, Neural and Metabolic Sciences, S. Luca Hospital, Milan, Italy
| | - Cassondra Vander Ark
- Division of Cardiovascular Medicine, Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, 600 Highland Avenue, Madison, WI, 53792, USA
| | - Mohamed H Hamdan
- Division of Cardiovascular Medicine, Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, 600 Highland Avenue, Madison, WI, 53792, USA
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Abstract
Purpose of Review Coffee is a very popular drink and an estimated 2.25 billion cups worldwide are consumed daily. Such popularity of coffee makes it the most consumed drink next to water. Numerous studies have shown a beneficial effect of habitual and moderate coffee consumption on the functioning of the nervous, digestive, and cardiovascular systems, as well as on kidney function. Taking into account the very high prevalence of arterial hypertension in the world (31.1% of adults), much controversy has been raised about the influence of coffee consumption on blood pressure and the risk of arterial hypertension. Moreover, there have been extensive discussions about the safety of coffee consumption for hypertensive persons. Recent Findings There are over 1000 chemical compounds in coffee. The best characterized of these are caffeine, chlorogenic acid, trigonelline, kahweol, cafestol, ferulic acid, and melanoidins. These compounds have bidirectional influences on blood pressure regulation. The results of numerous studies and meta-analyses indicate that moderate and habitual coffee consumption does not increase and may even reduce the risk of developing arterial hypertension. Conversely, occasional coffee consumption has hypertensinogenic effects. Moderate habitual coffee consumption in hypertensive persons does not appear to increase the risk of uncontrolled blood pressure and may even reduce the risk of death from any cause. Summary Moderate and habitual consumption of coffee (1-–3 cups / day) does not adversely affect blood pressure in most people, including those with arterial hypertension.
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Manolis AA, Manolis TA, Apostolopoulos EJ, Melita H, Manolis AS. The Cardiovascular Benefits of Caffeinated Beverages: Real or Surreal? /"Metron Ariston - All in Moderation". Curr Med Chem 2021; 29:2235-2260. [PMID: 34238147 DOI: 10.2174/0929867328666210708091709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 05/22/2021] [Accepted: 05/27/2021] [Indexed: 11/22/2022]
Abstract
Caffeinated beverages are the most widely consumed beverages globally with coffee and tea as the two most prominent sources of caffeine. Caffeine content varies across different types of beverages. In addition to caffeine, coffee and tea have other biologically active compounds, and all may affect general and cardiovascular (CV) health. Moderate caffeine consumption (<300-400 mg/day), regardless of the source, is considered safe by both European and US Health Authorities, as it is not associated with adverse health and CV effects, while it may confer certain health benefits. There is a nonlinear association between coffee ingestion and CV risk; moderate coffee drinking is inversely significantly associated with CV risk, with the highest benefit at 2-4 cups per day, while heavy coffee drinking might confer increased risk. With regards to tea, due to a lower caffeine content per serving, its consumption is only limited by the total caffeine daily intake. Both these caffeinated beverages, coffee and tea, have additional phenolic compounds, with anti-oxidant and anti-inflammatory activities, which confer cardioprotective benefits. Of the several coffee compounds, chloroacetic acids and melanoidins offer such beneficial effects, while diterpenes may have unfavorable effects on lipids. Most of the tea ingredients (polyphenols) are cardioprotective. A major concern relates to energy drinks with their much higher caffeine content which puts individuals, especially adolescents and young adults, at high health and CV risk. All these issues are herein discussed, including pertinent studies and meta-analyses, pathogenetic mechanisms involved and relevant recommendations from health authorities.
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Affiliation(s)
| | | | | | | | - Antonis S Manolis
- First Department of Cardiology, Athens University School of Medicine, Athens, Greece
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Xu Z, Meng Q, Ge X, Zhuang R, Liu J, Liang X, Fan H, Yu P, Zheng L, Zhou X. A short-term effect of caffeinated beverages on blood pressure: A meta-analysis of randomized controlled trails. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104482] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Del Giorno R, Scanzio S, De Napoli E, Stefanelli K, Gabutti S, Troiani C, Gabutti L. Habitual coffee and caffeinated beverages consumption is inversely associated with arterial stiffness and central and peripheral blood pressure. Int J Food Sci Nutr 2021; 73:106-115. [PMID: 34058944 DOI: 10.1080/09637486.2021.1926935] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The effects of chronic coffee consumption on the cardiovascular system are still under debate. Aortic stiffness, wave reflections, and central and peripheral blood pressure (BP) are milestone indicators of cardiovascular-risk. We sought to investigate the association between coffee and caffeine consumption, arterial stiffness, and central/peripheral BP. Aortic stiffness was evaluated via pulse wave velocity (PWV); wave reflections with the augmentation index (AIx);peripheral systolic BP (SBP), diastolic BP (DBP), and central BP (cSBP/cDBP) were non-invasively assessed. Coffee and caffeine consumption was ascertained using a questionnaire. A linear inverse relationship between coffee and caffeine consumption and arterial stiffness and central and peripheral BP was found.Light coffee and caffeine consumers showed β-coefficients for PWV-0.15, SBP-3.61, DBP-2.48, cSBP-3.21, and cDBP-2.18 (all p values < 0.05).Present findings suggest that coffee and caffeine consumption is inversely associated with arterial stiffness and central and peripheral BP in a large population sample. Interventional prospective studies are needed to demonstrate the causal association.
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Affiliation(s)
- Rosaria Del Giorno
- Department of Internal Medicine, Clinical Research Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.,Institute of Biomedicine, University of Southern Switzerland, Lugano, Switzerland
| | - Stefano Scanzio
- Department of Internal Medicine, Clinical Research Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Emiliano De Napoli
- Department of Internal Medicine, Clinical Research Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Kevyn Stefanelli
- Department of Social Sciences and Economics, Sapienza University of Rome, Rome, Italy
| | - Sofia Gabutti
- Department of Internal Medicine, Clinical Research Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Chiara Troiani
- Department of Internal Medicine, Clinical Research Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Luca Gabutti
- Department of Internal Medicine, Clinical Research Unit, Regional Hospital of Bellinzona and Valli, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.,Institute of Biomedicine, University of Southern Switzerland, Lugano, Switzerland
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15
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Tennent R, Ali A, Wham C, Rutherfurd-Markwick K. Narrative Review: Impact of Genetic Variability of CYP1A2, ADORA2A, and AHR on Caffeine Consumption and Response. J Caffeine Adenosine Res 2020. [DOI: 10.1089/caff.2020.0016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Affiliation(s)
- Rebecca Tennent
- School of Sport, Exercise and Nutrition, College of Health, Massey University, North Shore City, New Zealand
| | - Ajmol Ali
- School of Sport, Exercise and Nutrition, College of Health, Massey University, North Shore City, New Zealand
- Centre for Metabolic Health Research and Massey University, North Shore City, New Zealand
| | - Carol Wham
- School of Sport, Exercise and Nutrition, College of Health, Massey University, North Shore City, New Zealand
- Centre for Metabolic Health Research and Massey University, North Shore City, New Zealand
| | - Kay Rutherfurd-Markwick
- Centre for Metabolic Health Research and Massey University, North Shore City, New Zealand
- School of Health Sciences, Massey University, North Shore City, New Zealand
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16
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Glaister M, Chopra K, Pereira De Sena AL, Sternbach C, Morina L, Mavrommatis Y. Caffeine, exercise physiology, and time-trial performance: no effect of ADORA2A or CYP1A2 genotypes. Appl Physiol Nutr Metab 2020; 46:541-551. [PMID: 33170731 DOI: 10.1139/apnm-2020-0551] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The aim of this study was to investigate the influence of ADORA2A and CYP1A2 genotypes on the physiological and ergogenic effects of caffeine. Sixty-six male cyclists were screened for ADORA2A and CYP1A2 genotypes; with 40 taking part subsequently in a randomised, double-blind, placebo-controlled study. Trial 1 was used to establish the oxygen uptake-power output relationship and maximal oxygen uptake. In trials 2 and 3, participants ingested 5 mg·kg-1 of caffeine or placebo 1 h before completing a submaximal incremental cycling test, followed by a time-trial (∼30 min). Relative to placebo, caffeine led to a significant reduction in time to complete the time-trial (caffeine: 29.7 ± 1.8 min; placebo: 30.8 ± 2.3 min); but there was no effect of genotype. During submaximal exercise, caffeine reduced mean heart rate by 2.9 ± 3.7 beats·min-1, with effects dissipating as exercise intensity increased. Caffeine also significantly reduced perceived exertion by 0.5 ± 0.8, and increased blood lactate by 0.29 ± 0.42 mmol·L-1, respiratory exchange ratio by 0.013 ± 0.032, and minute ventilation by 3.1 ± 6.8 L·min-1. Nonetheless, there were no supplement × genotype interactions. In conclusion, caffeine influences physiological responses to submaximal exercise and improves time-trial performance irrespective of ADORA2A or CYP1A2 genotypes. Novelty: Caffeine affects physiological responses at rest and during submaximal exercise independent of ADORA2A or CYP1A2 genotypes. Variability in the effect of caffeine on time-trial performance is not explained by ADORA2A or CYP1A2 genotypes.
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Affiliation(s)
- Mark Glaister
- Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK.,Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK
| | - Kiran Chopra
- Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK.,Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK
| | - Ana Luís Pereira De Sena
- Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK.,Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK
| | - Cassie Sternbach
- Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK.,Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK
| | - Liridon Morina
- Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK.,Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK
| | - Yiannis Mavrommatis
- Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK.,Faculty of Sport, Health, and Applied Sciences, St Mary's University, Strawberry Hill, Twickenham TW1 4SX, UK
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17
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Is there a sex difference in adult salivary clearance of caffeine (1,3,7-trimethylpurine-2,6-dione)? J Oral Biol Craniofac Res 2020; 10:20-22. [DOI: 10.1016/j.jobcr.2020.01.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/24/2019] [Accepted: 01/30/2020] [Indexed: 11/22/2022] Open
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18
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Effects of Coffee Intake on Dyslipidemia Risk According to Genetic Variants in the ADORA Gene Family among Korean Adults. Nutrients 2020; 12:nu12020493. [PMID: 32075205 PMCID: PMC7071304 DOI: 10.3390/nu12020493] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/06/2020] [Accepted: 02/11/2020] [Indexed: 12/17/2022] Open
Abstract
Current evidence on the effects of coffee intake on cardiovascular diseases is not consistent, in part contributed by the genetic variability of the study subjects. While adenosine receptors (ADORAs) are involved in caffeine signaling, it remains unknown how genetic variations at the ADORA loci correlate the coffee intake with cardiovascular diseases. The present study examined the associations of coffee intake with dyslipidemia risk depending on genetic variants in the ADORA gene family. The study involved a population-based cohort of 4898 Korean subjects. Consumption of more than or equal to a cup of coffee per day was associated with lower dyslipidemia risk in females carrying the ADORA2B minor allele rs2779212 (OR: 0.645, 95% CI: 0.506-0.823), but not in those with the major allele. At the ADORA2A locus, male subjects with the minor allele of rs5760423 showed instead an increased risk of dyslipidemia when consuming more than or equal to a cup of coffee per day (OR: 1.352, 95% CI: 1.014-1.802). The effect of coffee intake on dyslipidemia risk differs depending on genetic variants at the ADORA loci in a sex-specific manner. Our study suggests that a dietary guideline for coffee intake in the prevention and management of dyslipidemia ought to consider ADORA-related biomarkers carefully.
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19
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Visser E, Geleijnse JM, de Roos B. Inter-Individual Variation in Cancer and Cardiometabolic Health Outcomes in Response to Coffee Consumption: A Critical Review. Mol Nutr Food Res 2020; 64:e1900479. [PMID: 32045503 DOI: 10.1002/mnfr.201900479] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 12/29/2019] [Indexed: 12/11/2022]
Abstract
SCOPE Coffee is associated with a lower risk of cancer, cardiovascular disease, and type 2 diabetes at the population level. However, individual susceptibility to the effects of coffee consumption will cause heterogeneity in health responses between individuals. In this critical review determinants of inter-individual variability in cancer and cardiometabolic health outcomes in response to coffee and caffeine consumption are systematically evaluated. METHODS AND RESULTS Embase and MEDLINE are searched for observational studies and clinical trials that examined variation in the response to coffee consumption. A total of 74 studies meet the inclusion criteria, which report variation in cancer (n = 24) and cardiometabolic health (n = 50) outcomes. The qualitative analysis shows that sex, BMI, smoking, alcohol intake, menopausal status, and genetic polymorphisms are probable or possible determinants of inter-individual variability in cancer and cardiometabolic health outcomes in response to coffee and caffeine consumption, albeit the majority of studies have insufficient statistical power to detect significant interaction between these factors and coffee consumption. CONCLUSION Several genetic and non-genetic determinants of inter-individual variability in the responses to coffee and caffeine consumption are identified, indicating that some of the health benefits of coffee may only occur in a subgroup of subjects.
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Affiliation(s)
- Edith Visser
- Division of Human Nutrition and Health, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Johanna M Geleijnse
- Division of Human Nutrition and Health, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Baukje de Roos
- Rowett Institute of Nutrition and Health, University of Aberdeen, Foresterhill, AB25 2ZD, Aberdeen, UK
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20
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Nikolic M, Konic Ristic A, González-Sarrías A, Istas G, Urpi-Sarda M, Dall'Asta M, Monfoulet LE, Cloetens L, Bayram B, Tumolo MR, Chervenkov M, Scoditti E, Massaro M, Tejera N, Abadjieva D, Chambers K, Krga I, Tomás-Barberán FA, Morand C, Feliciano R, García-Villalba R, Garcia-Aloy M, Mena P. Improving the reporting quality of intervention trials addressing the inter-individual variability in response to the consumption of plant bioactives: quality index and recommendations. Eur J Nutr 2019; 58:49-64. [PMID: 31492976 PMCID: PMC6851030 DOI: 10.1007/s00394-019-02069-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 07/23/2019] [Indexed: 02/06/2023]
Abstract
PURPOSE The quality of the study design and data reporting in human trials dealing with the inter-individual variability in response to the consumption of plant bioactives is, in general, low. There is a lack of recommendations supporting the scientific community on this topic. This study aimed at developing a quality index to assist the assessment of the reporting quality of intervention trials addressing the inter-individual variability in response to plant bioactive consumption. Recommendations for better designing and reporting studies were discussed. METHODS The selection of the parameters used for the development of the quality index was carried out in agreement with the scientific community through a survey. Parameters were defined, grouped into categories, and scored for different quality levels. The applicability of the scoring system was tested in terms of consistency and effort, and its validity was assessed by comparison with a simultaneous evaluation by experts' criteria. RESULTS The "POSITIVe quality index" included 11 reporting criteria grouped into four categories (Statistics, Reporting, Data presentation, and Individual data availability). It was supported by detailed definitions and guidance for their scoring. The quality index score was tested, and the index demonstrated to be valid, reliable, and responsive. CONCLUSIONS The evaluation of the reporting quality of studies addressing inter-individual variability in response to plant bioactives highlighted the aspects requiring major improvements. Specific tools and recommendations favoring a complete and transparent reporting on inter-individual variability have been provided to support the scientific community on this field.
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Affiliation(s)
- Marina Nikolic
- Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Aleksandra Konic Ristic
- Institute for Medical Research, University of Belgrade, Belgrade, Serbia.
- UCD Institute of Food and Health, University College Dublin, Belfield, Dublin, Ireland.
| | - Antonio González-Sarrías
- Laboratory of Food and Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Murcia, Spain
| | - Geoffrey Istas
- Department of Nutritional Sciences, Faculty of Life Sciences and Medicine, School of Life Course Sciences, King's College London, London, UK
| | - Mireia Urpi-Sarda
- Biomarkers and Nutrimetabolomic Laboratory, Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA, Faculty of Pharmacy and Food Sciences, University of Barcelona, Santa Coloma De Gramenet, Spain
- CIBER de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Barcelona, Spain
| | - Margherita Dall'Asta
- Human Nutrition Unit, Department of Food and Drugs, University of Parma, Medical School Building C, Via Volturno, 39, 43125, Parma, Italy
| | - Laurent-Emmanuel Monfoulet
- Unité de Nutrition Humaine (UNH), Institut National de la Recherche Agronomique (INRA), Université Clermont Auvergne, CRNH Auvergne, Clermont-Ferrand, France
| | - Lieselotte Cloetens
- Biomedical Nutrition, Pure and Applied Biochemistry, Lund University, Lund, Sweden
| | - Banu Bayram
- Department of Nutrition and Dietetics, University of Health Sciences, Istanbul, Turkey
| | - Maria Rosaria Tumolo
- Research Unit of Brindisi, Institute for Research on Population and Social Policies, National Research Council, Brindisi, Italy
| | - Mihail Chervenkov
- Faculty of Veterinary Medicine, University of Forestry, Sofia, Bulgaria
- Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Egeria Scoditti
- Institute of Clinical Physiology (IFC), National Research Council (CNR), Lecce, Italy
| | - Marika Massaro
- Institute of Clinical Physiology (IFC), National Research Council (CNR), Lecce, Italy
| | - Noemi Tejera
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, UK
| | - Desislava Abadjieva
- Institute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Karen Chambers
- Quadram Institute Bioscience, Norwich Research Park, Norwich, UK
| | - Irena Krga
- Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Francisco A Tomás-Barberán
- Laboratory of Food and Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Murcia, Spain
| | - Christine Morand
- Unité de Nutrition Humaine (UNH), Institut National de la Recherche Agronomique (INRA), Université Clermont Auvergne, CRNH Auvergne, Clermont-Ferrand, France
| | - Rodrigo Feliciano
- Division of Cardiology, Pulmonology, and Vascular Medicine, Medical Faculty, University of Duesseldorf, Dusseldorf, Germany
| | - Rocío García-Villalba
- Laboratory of Food and Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Murcia, Spain
| | - Mar Garcia-Aloy
- Biomarkers and Nutrimetabolomic Laboratory, Department of Nutrition, Food Sciences and Gastronomy, XaRTA, INSA, Faculty of Pharmacy and Food Sciences, University of Barcelona, Santa Coloma De Gramenet, Spain
- CIBER de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Barcelona, Spain
| | - Pedro Mena
- Human Nutrition Unit, Department of Food and Drugs, University of Parma, Medical School Building C, Via Volturno, 39, 43125, Parma, Italy.
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21
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Abstract
AbstractThe WHO reported that high blood pressure (BP) is one of the primary causes of death worldwide. Hypertension (HPT) is a major risk factor for CVD and related diseases as well as for diseases, leading to a considerable increase in cardiovascular risk. Since BP response could also be influenced by caffeine, which is widely consumed with coffee and other items, it is important to define the possible effects associated with caffeine intake. The most recent findings aimed at clarifying the role of caffeine consumption on BP and HPT risk/incidence are conflicting and difficult to interpret. Therefore, in the present narrative review, we aimed to examine various methodological inaccuracies/aspects and factors that make studies difficult to be compared, in order to obtain a single consensus on the effects of caffeine intake on the risk of BP and HPT. We observed that this heterogeneity in results could be due to the presence of: (i) several variables affecting BP (such as age, sex, genetic and lifestyle aspects); (ii) different caffeine content of food and beverages; and (iii) caffeine metabolism. Moreover, different methodological aspects in the evaluation of daily dietary caffeine intake and in the BP measurement could add some other bias in the interpretation of results. Therefore, it is mandatory to consider all methodological aspects and confounding factors to generate a standardised methodology in order to increase cross-study consistency and minimise confounding effects of different variables on the relationship between BP response and HPT risk/incidence after caffeine intake.
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22
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Coffee Consumption and Risk of Colorectal Cancer: A Systematic Review and Meta-Analysis of Prospective Studies. Nutrients 2019; 11:nu11030694. [PMID: 30909640 PMCID: PMC6471028 DOI: 10.3390/nu11030694] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 03/18/2019] [Accepted: 03/19/2019] [Indexed: 02/06/2023] Open
Abstract
Coffee is a blend of compounds related to gastrointestinal physiology. Given its popularity and the epidemiology of colorectal cancer, the impact of this beverage on public health could be considerable. Our aim was to provide an updated synthesis of the relationship between coffee consumption and the risk of colorectal cancer. We conducted a systematic review and meta-analysis of 26 prospective studies. Regarding colorectal cancer, no significant relationship was detected. Stratifying for ethnicity, a protective effect emerged in US subjects. Concerning colon cancer, coffee proved to exert a protective effect in men and women combined and in men alone. Stratifying for ethnicity, a significant protective effect was noted in European men only and in Asian women only. Concerning rectal cancer, no association was found. Decaffeinated coffee exhibited a protective effect against colorectal cancer in men and women combined. Studies were appraised for their quality by means of the Newcastle-Ottawa Quality Assessment Scale for Cohort studies. Only one study proved to be of low quality. Ethnicity could explain the heterogeneity of the studies. However, little is known about the relationship between the genetic make-up and the risk of colorectal cancer associated with coffee. Further research is warranted.
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23
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Yoshihara T, Zaitsu M, Shiraishi F, Arima H, Takahashi-Yanaga F, Arioka M, Kajioka S, Sasaguri T. Influence of genetic polymorphisms and habitual caffeine intake on the changes in blood pressure, pulse rate, and calculation speed after caffeine intake: A prospective, double blind, randomized trial in healthy volunteers. J Pharmacol Sci 2019; 139:209-214. [DOI: 10.1016/j.jphs.2019.01.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/17/2019] [Accepted: 01/23/2019] [Indexed: 10/27/2022] Open
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24
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McKenzie KA, El Ters M, Torres VE, Harris PC, Chapman AB, Mrug M, Rahbari-Oskoui FF, Bae KT, Landsittel DP, Bennett WM, Yu ASL, Mahnken JD. Relationship between caffeine intake and autosomal dominant polycystic kidney disease progression: a retrospective analysis using the CRISP cohort. BMC Nephrol 2018; 19:378. [PMID: 30591038 PMCID: PMC6307167 DOI: 10.1186/s12882-018-1182-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 12/10/2018] [Indexed: 02/08/2023] Open
Abstract
Background Caffeine has been proposed, based on in vitro cultured cell studies, to accelerate progression of autosomal dominant polycystic kidney disease (ADPKD) by increasing kidney size. Since ADPKD patients are advised to minimize caffeine intake, we investigated the effect of caffeine on disease progression in the Consortium for Radiologic Imaging Studies of Polycystic Kidney Disease (CRISP), a prospective, observational cohort study. Methods Our study included 239 patients (mean age = 32.3 ± 8.9 ys; 188 caffeine consumers) with a median follow-up time of 12.5 years. Caffeine intake reported at baseline was dichotomized (any vs. none). Linear mixed models, unadjusted and adjusted for age, race, sex, BMI, smoking, hypertension, genetics and time, were used to model height-adjusted total kidney volume (htTKV) and iothalamate clearance (mGFR). Cox proportional hazards models and Kaplan-Meier plots examined the effect of caffeine on time to ESRD or death. Results Caffeine-by-time was statistically significant when modeling ln(htTKV) in unadjusted and adjusted models (p < 0.01) indicating that caffeine consumers had slightly faster kidney growth (by 0.6% per year), but htTKV remained smaller from baseline throughout the study. Caffeine consumption was not associated with a difference in mGFR, or in the time to ESRD or death (p > 0.05). Moreover the results were similar when outcomes were modeled as a function of caffeine dose. Conclusion We conclude that caffeine does not have a significant detrimental effect on disease progression in ADPKD. Electronic supplementary material The online version of this article (10.1186/s12882-018-1182-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Katelyn A McKenzie
- Department of Biostatistics, University of Kansas Medical Center, Mail Stop 1026, 3901 Rainbow Blvd., Kansas City, KS, 66160, USA.
| | - Mirelle El Ters
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Vicente E Torres
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Peter C Harris
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Arlene B Chapman
- Section of Nephrology, University of Chicago School of Medicine, Chicago, IL, USA
| | - Michal Mrug
- Division of Nephrology, University of Alabama and the Department of Veterans Affairs Medical Center, Birmingham, AL, USA
| | | | - Kyongtae Ty Bae
- Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Douglas P Landsittel
- Department of Biomedical Informatics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | | | - Alan S L Yu
- Division of Nephrology and Hypertension and the Jared Grantham Kidney Institute, University of Kansas Medical Center, Kansas City, KS, USA
| | - Jonathan D Mahnken
- Department of Biostatistics, University of Kansas Medical Center, Mail Stop 1026, 3901 Rainbow Blvd., Kansas City, KS, 66160, USA
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25
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Jhee JH, Nam KH, An SY, Cha MU, Lee M, Park S, Kim H, Yun HR, Kee YK, Park JT, Chang TI, Kang EW, Yoo TH, Kang SW, Han SH. Effects of Coffee Intake on Incident Chronic Kidney Disease: A Community-Based Prospective Cohort Study. Am J Med 2018; 131:1482-1490.e3. [PMID: 29906428 DOI: 10.1016/j.amjmed.2018.05.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/25/2018] [Accepted: 05/29/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND Drinking coffee can raise public health problems, but the association between coffee and kidney disease is unknown. We studied whether coffee intake can affect the development of chronic kidney disease in the general population. METHODS We analyzed 8717 subjects with normal renal function recruited from the Korean Genome and Epidemiology Study (KoGES) cohort. Based on a food frequency questionnaire, coffee consumption was categorized into 5 groups: 0 per week, <1 cup per week, 1-6 cups per week, 1 cup per day, and ≥2 cups per day. The primary outcome was incident chronic kidney disease, defined as an estimated glomerular filtration rate <60 mL/min/1.73 m2. RESULTS The mean age (standard deviation) of study subjects was 52.0 (8.8) years, and 47.8% were male. Among the subjects, 52.8% were daily coffee consumers. During a mean follow-up of 11.3 (range, 5.9-11.5) years, 9.5% of participants developed chronic kidney disease. The incident chronic kidney disease occurred less in daily coffee consumers. Unadjusted hazard ratios (HRs) was significantly lower in daily coffee consumers. In multivariable Cox model even after adjustment of blood pressure, hypertension, cardiovascular disease, diabetes, and amount of daily intake for caffeine-containing foods such as tea and chocolate, coffee consumers with 1 cup per day (HR, 0.76; 95% confidence interval, 0.63-0.92) and ≥2 cups per day (HR, 0.80; 95% confidence interval, 0.65-0.98) were associated with a lower risk of chronic kidney disease development than nondrinkers. Time-averaged and time-varying Cox models yielded similar results. The rates of decline in glomerular filtration were lower in daily coffee consumers. CONCLUSIONS Our findings suggest that daily coffee intake is associated with decreased risk of the development of chronic kidney disease.
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Affiliation(s)
- Jong Hyun Jhee
- Division of Nephrology and Hypertension, Department of Internal Medicine, Inha University College of Medicine, Incheon, Republic of Korea
| | - Ki Heon Nam
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Seong Yeong An
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Min-Uk Cha
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Misol Lee
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Seohyun Park
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Hyoungnae Kim
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Hae-Ryong Yun
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Youn Kyung Kee
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Jung Tak Park
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Tae-Ik Chang
- Department of Internal Medicine, National Health Insurance Corporation Medical Center, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Ea Wha Kang
- Department of Internal Medicine, National Health Insurance Corporation Medical Center, Ilsan Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Tae-Hyun Yoo
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Shin-Wook Kang
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea; Department of Internal Medicine, College of Medicine, Severance Biomedical Science Institute, Brain Korea 21 PLUS, Yonsei University, Seoul, Republic of Korea
| | - Seung Hyeok Han
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea.
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26
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Role of oxylipins in cardiovascular diseases. Acta Pharmacol Sin 2018; 39:1142-1154. [PMID: 29877318 DOI: 10.1038/aps.2018.24] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Accepted: 02/19/2018] [Indexed: 02/07/2023] Open
Abstract
Globally, cardiovascular diseases (CVDs) are the number one cause of mortality. Approximately 18 million people died from CVDs in 2015, representing more than 30% of all global deaths. New diagnostic tools and therapies are eagerly required to decrease the prevalence of CVDs related to mortality and/or risk factors leading to CVDs. Oxylipins are a group of metabolites, generated via oxygenation of polyunsaturated fatty acids that are involved in inflammation, immunity, and vascular functions, etc. Thus far, over 100 oxylipins have been identified, and have overlapping and interconnected roles. Important CVD pathologies such as hyperlipidemia, hypertension, thrombosis, hemostasis and diabetes have been linked to abnormal oxylipin signaling. Oxylipins represent a new era of risk markers and/or therapeutic targets in several diseases including CVDs. The role of many oxylipins in the progression or regression in CVD, however, is still not fully understood. An increased knowledge of the role of these oxygenated polyunsaturated fatty acids in cardiovascular dysfunctions or CVDs including hypertension could possibly lead to the development of biomarkers for the detection and their treatment in the future.
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Soares RN, Schneider A, Valle SC, Schenkel PC. The influence of CYP1A2 genotype in the blood pressure response to caffeine ingestion is affected by physical activity status and caffeine consumption level. Vascul Pharmacol 2018. [PMID: 29522901 DOI: 10.1016/j.vph.2018.03.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
This study aimed to investigate whether the influence of CYP1A2 genotype in the blood pressure (BP) response to caffeine ingestion was affected by physical activity status and habitual caffeine consumption. Thirty-seven participants (19-50 years old) took place in the study and were categorized according to i) genotype: CYP1A2 (AA) "fast metabolizer", and CYP1A2 (AC) "slow metabolizer"; ii) physical activity level: sedentary (S) and physically active (A); and iii) caffeine consumption level: non-habitual caffeine consumer (NC) and habitual heavy caffeine consumer (C). All groups had BP assessed before (basal) and 1 hourh after (post) caffeine ingestion (6 mg·kg-1). It was observed that AC genotype individuals had increased basal-DBP and post-caffeine SBP when compared to AA individuals. Additionally, acute caffeine ingestion increased SBP only in the AC group. It was also found that physical activity only modulated the BP responses to acute caffeine ingestion in AC individuals. Furthermore, the results indicated that the habitual heavy caffeine consumers AC individuals had increased basal-DBP when compared to the AA ones. Our results suggest that the influence of CYP1A2 genotype in the basal and post-caffeine BP response to caffeine ingestion is modified by physical activity status and caffeine consumption level.
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Affiliation(s)
- Rogerio Nogueira Soares
- Faculty of Kinesiology, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada.
| | - Augusto Schneider
- Faculty of Nutrition, Pelotas Federal University, Rua: Gomes Carneiro 1, Centro, 96010-610 Pelotas, Brazil.
| | - Sandra Costa Valle
- Faculty of Nutrition, Pelotas Federal University, Rua: Gomes Carneiro 1, Centro, 96010-610 Pelotas, Brazil
| | - Paulo Cavalheiro Schenkel
- Department of Physiology and Health Basic Science, Federal University of Rio Grande do Sul, Rua: Sarmento Leite, 500, 90050-170 Porto Alegre, Brazil
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Houston M. The role of noninvasive cardiovascular testing, applied clinical nutrition and nutritional supplements in the prevention and treatment of coronary heart disease. Ther Adv Cardiovasc Dis 2018; 12:85-108. [PMID: 29316855 PMCID: PMC5933539 DOI: 10.1177/1753944717743920] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 11/01/2017] [Indexed: 12/14/2022] Open
Abstract
Numerous clinical trials suggest that we have reached a limit in our ability to decrease the incidence of coronary heart disease (CHD) and cardiovascular disease (CVD) utilizing the traditional diagnostic evaluation, prevention and treatment strategies for the top five cardiovascular risk factors of hypertension, diabetes mellitus, dyslipidemia, obesity and smoking. About 80% of heart disease (heart attacks, angina, coronary heart disease and congestive heart failure) can be prevented by optimal nutrition, optimal exercise, optimal weight and body composition, mild alcohol intake and avoiding smoking. Statistics show that approximately 50% of patients continue to have CHD or myocardial infarction (MI) despite presently defined 'normal' levels of the five risk factors listed above. This is often referred to as the 'CHD gap'. Novel and more accurate definitions and evaluations of these top five risk factors are required, such as 24 h ambulatory blood pressure (ABM) results, advanced lipid profiles, redefined fasting and 2 h dysglycemia parameters, a focus on visceral obesity and body composition and the effects of adipokines on cardiovascular risk. There are numerous traumatic insults from the environment that damage the cardiovascular system but there are only three finite vascular endothelial responses, which are inflammation, oxidative stress and immune vascular dysfunction. In addition, the concept of translational cardiovascular medicine is mandatory in order to correlate the myriad of CHD risk factors to the presence or absence of functional or structural damage to the vascular system, preclinical and clinical CHD. This can be accomplished by utilizing advanced and updated CV risk scoring systems, new and redefined CV risk factors and biomarkers, micronutrient testing, cardiovascular genetics, nutrigenomics, metabolomics, genetic expression testing and noninvasive cardiovascular testing.
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Affiliation(s)
- Mark Houston
- Vanderbilt University Medical School, Hypertension Institute and Vascular Biology, Division of Human Nutrition, Saint Thomas Medical Group, Saint Thomas Hospital, 4230 Harding Rd, Suite 400, Nashville, TN 37205, USA
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Houston M, Minich D, Sinatra ST, Kahn JK, Guarneri M. Recent Science and Clinical Application of Nutrition to Coronary Heart Disease. J Am Coll Nutr 2018; 37:169-187. [PMID: 29313752 DOI: 10.1080/07315724.2017.1381053] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
One of the greatest threats to mortality in industrialized societies continues to be coronary heart disease (CHD). Moreover, the ability to decrease the incidence of CHD has reached a limit utilizing traditional diagnostic evaluations and prevention and treatment strategies for the top five cardiovascular risk factors (hypertension, diabetes mellitus, dyslipidemia, obesity, and smoking). It is well known that about 80% of CHD can be prevented with optimal nutrition, coupled with exercise, weight management, mild alcohol intake, and smoking cessation. Among all of these factors, optimal nutrition provides the basic foundation for prevention and treatment of CHD. Numerous prospective nutrition clinical trials have shown dramatic reductions in the incidence of CHD. As nutritional science and nutrigenomics research continues, our ability to adjust the best nutrition with an individualized approach is emerging. This article reviews the role of nutrition in the prevention and treatment of CHD and myocardial infarction (MI).
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Affiliation(s)
- Mark Houston
- a Associate Clinical Professor of Medicine, Vanderbilt University Medical School, Director, Hypertension Institute and Vascular Biology, Medical Director of Division of Human Nutrition, Saint Thomas Medical Group, Saint Thomas Hospital , Nashville , Tennessee , USA
| | - Deanna Minich
- b University of Western States, Institute for Functional Medicine , Seattle , Washington , USA
| | - Stephen T Sinatra
- c Assistant Clinical Professor of Medicine, University of Connecticut Medical School , Farmington , Connecticut , USA
| | - Joel K Kahn
- d Clinical Professor of Medicine, Wayne State University School of Medicine, Kahn Center for Cardiac Longevity , Bloomfield Township , Michigan , USA
| | - Mimi Guarneri
- e Director, Guarneri Integrative Health, Inc., La Jolla, California at Pacific Pearl , La Jolla , California , USA
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Reduced coronary reactive hyperemia in mice was reversed by the soluble epoxide hydrolase inhibitor (t-AUCB): Role of adenosine A 2A receptor and plasma oxylipins. Prostaglandins Other Lipid Mediat 2017; 131:83-95. [PMID: 28890385 DOI: 10.1016/j.prostaglandins.2017.09.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 08/28/2017] [Accepted: 09/05/2017] [Indexed: 12/24/2022]
Abstract
Coronary reactive hyperemia (CRH) protects the heart against ischemia. Adenosine A2AAR-deficient (A2AAR-/-) mice have increased expression of soluble epoxide hydrolase (sEH); the enzyme responsible for breaking down the cardioprotective epoxyeicosatrienoic acids (EETs) to dihydroxyeicosatrienoic acids (DHETs). sEH-inhibition enhances CRH, increases EETs, and modulates oxylipin profiles. We investigated the changes of oxylipins and their impact on CRH in A2AAR-/- and wild type (WT) mice. We hypothesized that the attenuated CRH in A2AAR-/- mice is mediated by changes in oxylipin profiles, and that it can be reversed by either sEH- or ω-hydroxylases-inhibition. Compared to WT mice, A2AAR-/- mice had attenuated CRH and changed oxylipin profiles, which were consistent between plasma and heart perfusate samples, including decreased EET/DHET ratios, and increased hydroxyeicosatetraenoic acids (HETEs). Plasma oxylipns in A2AAR-/- mice indicated an increased proinflammatory state including increased ω-terminal HETEs, decreased epoxyoctadecaenoic/dihydroxyoctadecaenoic acids (EpOMEs/DiHOMEs) ratios, increased 9-hydroxyoctadecadienoic acid, and increased prostanoids. Inhibition of either sEH or ω-hydroxylases reversed the reduced CRH in A2AAR-/- mice. In WT and sEH-/- mice, blocking A2AAR decreased CRH. These data demonstrate that A2AAR-deletion was associated with changes in oxylipin profiles, which may contribute to the attenuated CRH. Also, inhibition of sEH and ω-hydroxylases reversed the reduction in CRH.
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Abstract
There is a great deal of interest in personalized, individualized, or precision interventions for disease and health-risk mitigation. This is as true of nutrition-based intervention and prevention strategies as it is for pharmacotherapies and pharmaceutical-oriented prevention strategies. Essentially, technological breakthroughs have enabled researchers to probe an individual's unique genetic, biochemical, physiological, behavioral, and exposure profile, allowing them to identify very specific and often nuanced factors that an individual might possess, which may make it more or less likely that he or she responds favorably to a particular intervention (e.g., nutrient supplementation) or disease prevention strategy (e.g., specific diet). However, as compelling and intuitive as personalized nutrition might be in the current era in which data-intensive biomedical characterization of individuals is possible, appropriately and objectively vetting personalized nutrition strategies is not trivial and requires novel study designs and data analytical methods. These designs and methods must consider a very integrated use of the multiple contemporary biomedical assays and technologies that motivate them, which adds to their complexity. Single-subject or N-of-1 trials can be used to assess the utility of personalized interventions and, in addition, can be crafted in such a way as to accommodate the necessarily integrated use of many emerging biomedical technologies and assays. In this review, we consider the motivation, design, and implementation of N-of-1 trials in translational nutrition research that are meant to assess the utility of personalized nutritional strategies. We provide a number of example studies, discuss appropriate analytical methods given the complex data they generate and require, and consider how such studies could leverage integration of various biomarker assays and clinical end points. Importantly, we also consider the development of strategies and algorithms for matching nutritional needs to individual biomedical profiles and the issues surrounding them. Finally, we discuss the limitations of personalized nutrition studies, possible extensions of N-of-1 nutritional intervention studies, and areas of future research.
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Affiliation(s)
- Nicholas J Schork
- Translational Genomics Research Institute, Phoenix, Arizona 85004; .,J. Craig Venter Institute, La Jolla, California 92037; .,Departments of Psychiatry and Family Medicine and Public Health, University of California, San Diego, La Jolla, California 92037
| | - Laura H Goetz
- J. Craig Venter Institute, La Jolla, California 92037; .,Department of Surgery, Scripps Clinic Medical Group, La Jolla, California 92037.,Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California 92037
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32
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Milenkovic D, Morand C, Cassidy A, Konic-Ristic A, Tomás-Barberán F, Ordovas JM, Kroon P, De Caterina R, Rodriguez-Mateos A. Interindividual Variability in Biomarkers of Cardiometabolic Health after Consumption of Major Plant-Food Bioactive Compounds and the Determinants Involved. Adv Nutr 2017; 8:558-570. [PMID: 28710143 PMCID: PMC5502866 DOI: 10.3945/an.116.013623] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Cardiometabolic disease, comprising cardiovascular diseases, type 2 diabetes, and their associated risk factors including metabolic syndrome and obesity, is the leading cause of death worldwide. Plant foods are rich sources of different groups of bioactive compounds, which might not be essential throughout life but promote health and well-being by reducing the risk of age-related chronic diseases. However, heterogeneity in the responsiveness to bioactive compounds can obscure associations between their intakes and health outcomes, resulting in the hiding of health benefits for specific population groups and thereby limiting our knowledge of the exact role of the different bioactive compounds for health. The heterogeneity in response suggests that some individuals may benefit more than others from the health effects of these bioactive compounds. However, to date, this interindividual variation after habitual intake of plant bioactive compounds has been little explored. The aim of this review is to provide an overview of the existing research that has revealed interindividual variability in the responsiveness to plant-food bioactive compound consumption regarding cardiometabolic outcomes, focusing on polyphenols, caffeine and plant sterols, and the identified potential determinants involved.
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Affiliation(s)
- Dragan Milenkovic
- INRA, UMR 1019, UNH, CRNH Auvergne, Clermont-Ferrand, Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Clermont-Ferrand, France;
| | - Christine Morand
- INRA, UMR 1019, UNH, CRNH Auvergne, Clermont-Ferrand, Clermont Université, Université d’Auvergne, Unité de Nutrition Humaine, Clermont-Ferrand, France
| | - Aedin Cassidy
- Department of Nutrition and Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, Norfolk, United Kingdom
| | | | - Francisco Tomás-Barberán
- Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Campus de Espinardo, Murcia, Spain
| | - José M Ordovas
- Nutrition and Genomics Laboratory, Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA;,IMDEA Alimentacion, Madrid, Spain
| | - Paul Kroon
- Food and Health Programme, Institute of Food Research, Norwich Research Park, Norwich, United Kingdom
| | | | - Ana Rodriguez-Mateos
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany
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The Heart of the Pressor Effect: Acute Caffeine Ingestion and Resting Heart Rate Variability. JOURNAL OF CAFFEINE RESEARCH 2017. [DOI: 10.1089/jcr.2016.0003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Chrysant SG. The impact of coffee consumption on blood pressure, cardiovascular disease and diabetes mellitus. Expert Rev Cardiovasc Ther 2017; 15:151-156. [PMID: 28128673 DOI: 10.1080/14779072.2017.1287563] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Coffee is the most widely consumed beverage, next to water. However, there has been a long-standing controversy regarding its safety on blood pressure (BP) and cardiovascular disease (CVD) and intuitively, physicians dissuaded their patients from coffee drinking. Areas covered: This controversy was, primarily, based on older prospective studies or case reports, which showed a positive association of coffee drinking with the incidence of hypertension and CVD. In contrast to these reports, recent, well controlled, studies have demonstrated either a neutral or beneficial effect of moderate coffee consumption (3-4 cups/day), on BP, CVD, heart failure (HF), cardiac arrhythmias, or diabetes mellitus (DM). For the preparation of this special report, an English language focused search of the Medline database was conducted between 2010 and 2016 on studies with data on effect on the coffee consumption in patients with high BP, CVD, HF, cardiac arrhythmias or DM. Of the 94 abstracts reviewed, 34 pertinent papers were selected, and the findings from these papers together with collateral literature will be discussed in this special report. Expert commentary: Based on the evidence from these studies, coffee consumption in moderation, is safe and is beneficial in both healthy persons as well as patients with high BP, CVD, HF, cardiac arrhythmias or DM. Therefore, coffee restriction is not warranted for these patients, although some caution should be exercised.
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Affiliation(s)
- Steven G Chrysant
- a Department of Cardiology , University of Oklahoma College of Medicine , Oklahoma City , OK , USA
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35
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Lopez-Garcia E, Orozco-Arbeláez E, Leon-Muñoz LM, Guallar-Castillon P, Graciani A, Banegas JR, Rodríguez-Artalejo F. Habitual coffee consumption and 24-h blood pressure control in older adults with hypertension. Clin Nutr 2016; 35:1457-1463. [DOI: 10.1016/j.clnu.2016.03.021] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 03/04/2016] [Accepted: 03/28/2016] [Indexed: 12/24/2022]
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36
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Köksal E, Yardımcı H, Kocaadam B, Deniz Güneş B, Yılmaz B, Karabudak E. Relationship between dietary caffeine intake and blood pressure in adults. Int J Food Sci Nutr 2016; 68:227-233. [PMID: 27589213 DOI: 10.1080/09637486.2016.1226276] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The aim of this study was to determine the consumption frequency of caffeinated foods and beverages and daily caffeine consumption amounts, and examine relation between caffeine and blood pressure (BP). A cross sectional door-to-door interview was conducted with 1329 volunteers between the ages of 20 and 60 (mean ages 29.9 ± 10.8 years) and based in Ankara/Turkey. The rate of individuals whose BPs were above 140/90 mmHg was 13.5%. The median caffeine consumption was 150.0 ± 122.06 mg. Although no significant correlation was found between total caffeine intake and diastolic blood pressure (DBP) of individuals, a positive correlation was observed between daily total caffeine and systolic blood pressure (SBP) (p < .05). Also, when analyzed factors that could be associated with DBP and SBP, BMI had effect in the model formed for both types of BP (p < .05). While smoking status associated with SBP (p = .002), gender and waist circumference related to DBP (p < .05) As a result relationship between caffeine intake and BP was affected other factors.
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Affiliation(s)
- Eda Köksal
- a Department of Nutrition and Dietetics, Faculty of Health Sciences , Gazi University , Ankara , Turkey
| | - Hülya Yardımcı
- b Department of Nutrition and Dietetics, Faculty of Health Sciences , Ankara University , Ankara , Turkey
| | - Betül Kocaadam
- a Department of Nutrition and Dietetics, Faculty of Health Sciences , Gazi University , Ankara , Turkey
| | - Burcu Deniz Güneş
- a Department of Nutrition and Dietetics, Faculty of Health Sciences , Gazi University , Ankara , Turkey
| | - Birsen Yılmaz
- a Department of Nutrition and Dietetics, Faculty of Health Sciences , Gazi University , Ankara , Turkey
| | - Efsun Karabudak
- a Department of Nutrition and Dietetics, Faculty of Health Sciences , Gazi University , Ankara , Turkey
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De Caterina R, El-Sohemy A. Moving towards Specific Nutrigenetic Recommendation Algorithms: Caffeine, Genetic Variation and Cardiovascular Risk. JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS 2016; 9:106-115. [PMID: 27467525 DOI: 10.1159/000446801] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Recent research has indicated that part of the interindividual variability in cardiovascular responses to caffeine has a genetic basis. Therefore, knowledge of the individual's genetic constitution may allow an individual tailoring of dietary advice for the use of caffeine-containing beverages, yielding an example of the potential of practical translation of nutrigenetic information. This paper reviews the basis for possible nutrigenetic recommendations on the consumption of caffeine, discussing the current gaps in knowledge but also proposing a mode of action in this research area, which may be transposed to other types of similar recommendations.
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Grossman A, Messerli FH, Grossman E. Drug induced hypertension--An unappreciated cause of secondary hypertension. Eur J Pharmacol 2015; 763:15-22. [PMID: 26096556 DOI: 10.1016/j.ejphar.2015.06.027] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 05/12/2015] [Accepted: 06/15/2015] [Indexed: 02/06/2023]
Abstract
Most patients with hypertension have essential hypertension or well-known forms of secondary hypertension, such as renal disease, renal artery stenosis, or common endocrine diseases (hyperaldosteronism or pheochromocytoma). Physicians are less aware of drug induced hypertension. A variety of therapeutic agents or chemical substances may increase blood pressure. When a patient with well controlled hypertension is presented with acute blood pressure elevation, use of drug or chemical substance which increases blood pressure should be suspected. Drug-induced blood pressure increases are usually minor and short-lived, although rare hypertensive emergencies associated with use of certain drugs have been reported. Careful evaluation of prescription and non-prescription medications is crucial in the evaluation of the hypertensive individual and may obviate the need for expensive and unnecessary evaluations. Discontinuation of the offending agent will usually achieve adequate blood pressure control. When use of a chemical agent which increases blood pressure is mandatory, anti-hypertensive therapy may facilitate continued use of this agent. We summarize the therapeutic agents or chemical substances that elevate blood pressure and their mechanisms of action.
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Affiliation(s)
- Alon Grossman
- Endocrinology Department, Rabin Medical Center, Petach Tikva, Israel
| | - Franz H Messerli
- Columbia University College of Physicians and Surgeons, Division of Cardiology St. Luke's-Roosevelt Hospital, NY, United States
| | - Ehud Grossman
- Internal Medicine D and Hypertension Unit, The Chaim Sheba Medical Center, Sackler School of Medicine, Tel-Aviv University, Tel-Hashomer 52621, Israel.
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Renda G, Committeri G, Zimarino M, Di Nicola M, Tatasciore A, Ruggieri B, Ambrosini E, Viola V, Antonucci I, Stuppia L, De Caterina R. Genetic determinants of cognitive responses to caffeine drinking identified from a double-blind, randomized, controlled trial. Eur Neuropsychopharmacol 2015; 25:798-807. [PMID: 25819143 DOI: 10.1016/j.euroneuro.2015.03.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2014] [Revised: 11/26/2014] [Accepted: 03/06/2015] [Indexed: 10/23/2022]
Abstract
The widely observed between-subject variability in cognitive responses to coffee may have a genetic basis. We evaluated cognitive responses to caffeine throughout three complex cognitive tasks assessing different subdomains of attention, namely Alerting and Orienting (Categorical Search Task) and Executive Control (Stroop Task and Eriksen Flanker Task). We explored whether they are influenced by gene variants affecting adenosine metabolism or catecholamine receptors. We recruited 106 healthy male subjects who were administered, in a double-blind design, 40mL of either a decaffeinated coffee preparation plus 3mg/kg caffeine (caf) or the corresponding vehicle (decaf). The protocol was repeated 24h later with the alternative preparation. Cognitive tasks were performed between 30min and 2h after caf or decaf administration. Each subject underwent ambulatory blood pressure monitoring for 2h. Blood samples were collected for genetic evaluations and for plasma caffeine and catecholamines measures. We found a significant reduction of reaction times in two of the cognitive tasks (Categorical Search Task and Stroop Task) after caf compared with decaf, indicating that caffeine, on average, improved the attention level in the domains under investigation. We also found, however, a great inter-individual variability in the cognitive performance responses to caffeine. In exploring genetic sources for such variability, we found a relation between polymorphisms of adenosine A2A and the caffeine effects on the attentional domains of Orienting and Executive control. In conclusion, variability in the attentional response to coffee may be partly explained by genetic polymorphisms of adenosine and adrenergic receptors.
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Affiliation(s)
- Giulia Renda
- Institute of Cardiology, Department of Neuroscience, Imaging and Clinical Sciences - Center of Excellence on Aging, "G. d׳Annunzio" University, Chieti, Italy
| | - Giorgia Committeri
- Laboratory of Neuropsychology and Cognitive Neuroscience, Department of Neuroscience, Imaging and Clinical Sciences - Institute of Advanced Biomedical Technologies, "G. d׳Annunzio" University, Chieti, Italy
| | - Marco Zimarino
- Institute of Cardiology, Department of Neuroscience, Imaging and Clinical Sciences - Center of Excellence on Aging, "G. d׳Annunzio" University, Chieti, Italy
| | - Marta Di Nicola
- Laboratory of Biostatistics, Department of Medical, Oral and Biotechnological Sciences, "G. d׳Annunzio" University, Chieti, Italy
| | - Alfonso Tatasciore
- Institute of Cardiology, Department of Neuroscience, Imaging and Clinical Sciences - Center of Excellence on Aging, "G. d׳Annunzio" University, Chieti, Italy
| | - Benedetta Ruggieri
- Institute of Cardiology, Department of Neuroscience, Imaging and Clinical Sciences - Center of Excellence on Aging, "G. d׳Annunzio" University, Chieti, Italy
| | - Ettore Ambrosini
- Laboratory of Neuropsychology and Cognitive Neuroscience, Department of Neuroscience, Imaging and Clinical Sciences - Institute of Advanced Biomedical Technologies, "G. d׳Annunzio" University, Chieti, Italy
| | - Vanda Viola
- Laboratory of Neuropsychology and Cognitive Neuroscience, Department of Neuroscience, Imaging and Clinical Sciences - Institute of Advanced Biomedical Technologies, "G. d׳Annunzio" University, Chieti, Italy
| | - Ivana Antonucci
- Laboratory of Molecular Genetics, Department of Psychological, Humanities and Territorial Sciences, "G. d׳Annunzio" University, Chieti, Italy
| | - Liborio Stuppia
- Laboratory of Molecular Genetics, Department of Psychological, Humanities and Territorial Sciences, "G. d׳Annunzio" University, Chieti, Italy
| | - Raffaele De Caterina
- Institute of Cardiology, Department of Neuroscience, Imaging and Clinical Sciences - Center of Excellence on Aging, "G. d׳Annunzio" University, Chieti, Italy; "G. Monasterio" Foundation, Pisa, Italy.
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Gurley BJ, Steelman SC, Thomas SL. Multi-ingredient, Caffeine-containing Dietary Supplements: History, Safety, and Efficacy. Clin Ther 2015; 37:275-301. [DOI: 10.1016/j.clinthera.2014.08.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Revised: 08/19/2014] [Accepted: 08/23/2014] [Indexed: 02/07/2023]
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Modulation of 3',5'-cyclic AMP homeostasis in human platelets by coffee and individual coffee constituents. Br J Nutr 2014; 112:1427-37. [PMID: 25247601 DOI: 10.1017/s0007114514002232] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
3',5'-Cyclic AMP (cAMP) is one of the most important second messengers in mammalian cells, mediating a multitude of diverse cellular signalling responses. Its homeostasis is primarily regulated by adenylate cyclases and phosphodiesterases (PDE), the activities of which are partially dependent on the downstream events of adenosine receptor signalling. The present study was conducted to determine whether coffee constituents other than caffeine can influence the homeostasis of intracellular cAMP in vitro and in vivo by evaluating the effects of selected constituents present in coffee, coffee brews and coffee extracts on platelet PDE activity. In addition, to evaluate the potential effects of these constituents on platelet cAMP concentrations and PDE activity in humans, a 7-week pilot intervention study with eight subjects was conducted. The subjects consumed a regular commercial coffee and a low-caffeine coffee at a rate of 750 ml/d for 2 weeks each. The in vivo results revealed a highly significant inhibition of PDE activity (P< 0·001) after coffee intervention that was not directly dependent on the caffeine content of coffee. Although our in vitro and in vivo findings suggest that caffeine plays some role in the modulation of platelet cAMP status, other natural and roasting-associated compounds such as pyrazines and other currently unidentified species also appear to contribute significantly. In conclusion, moderate consumption of coffee can modulate platelet PDE activity and cAMP concentrations in humans, which may contribute to the putative beneficial health effects of coffee. Further detailed mechanistic investigations will be required to substantiate these beneficial effects and to elucidate the underlying mechanisms.
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Abstract
PURPOSE OF REVIEW Tea and coffee, after water, are the most commonly consumed beverages in the world and are the top sources of caffeine and antioxidant polyphenols in the American diet. The purpose of this review is to assess the health effects of chronic tea and/or coffee consumption. RECENT FINDINGS Tea consumption, especially green tea, is associated with significantly reduced risks for stroke, diabetes and depression, and improved levels of glucose, cholesterol, abdominal obesity and blood pressure. Habitual coffee consumption in large epidemiological studies is associated with reduced mortality, both for all-cause and cardiovascular deaths. In addition, coffee intake is associated with risks of heart failure, stroke, diabetes mellitus and some cancers in an inverse dose-dependent fashion. Surprisingly, coffee is associated with neutral to reduced risks for both atrial and ventricular arrhythmias. However, caffeine at high doses can increase anxiety, insomnia, calcium loss and possibly the risk of fractures. SUMMARY Coffee and tea can generally be recommended as health-promoting additions to an adult diet. Adequate dietary calcium intake may be particularly important for tea and coffee drinkers.
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Affiliation(s)
- Salman K Bhatti
- aSaint Luke's Mid America Heart Institute & University of Missouri-Kansas City, Kansas City, Missouri bJohn Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans cDepartment of Preventive Medicine, Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, Louisiana, USA
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Meredith SE, Juliano LM, Hughes JR, Griffiths RR. Caffeine Use Disorder: A Comprehensive Review and Research Agenda. JOURNAL OF CAFFEINE RESEARCH 2013; 3:114-130. [PMID: 24761279 DOI: 10.1089/jcr.2013.0016] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Caffeine is the most commonly used drug in the world. Although consumption of low to moderate doses of caffeine is generally safe, an increasing number of clinical studies are showing that some caffeine users become dependent on the drug and are unable to reduce consumption despite knowledge of recurrent health problems associated with continued use. Thus, the World Health Organization and some health care professionals recognize caffeine dependence as a clinical disorder. In this comprehensive literature review, we summarize published research on the biological evidence for caffeine dependence; we provide a systematic review of the prevalence of caffeine dependence and rates of endorsement of clinically meaningful indicators of distress and functional impairment among habitual caffeine users; we discuss the diagnostic criteria for Caffeine Use Disorder-a condition for further study included in the Diagnostic and Statistical Manual of Mental Disorders (5th ed.); and we outline a research agenda to help guide future clinical, epidemiological, and genetic investigations of caffeine dependence. Numerous controlled laboratory investigations reviewed in this article show that caffeine produces behavioral and physiological effects similar to other drugs of dependence. Moreover, several recent clinical studies indicate that caffeine dependence is a clinically meaningful disorder that affects a nontrivial proportion of caffeine users. Nevertheless, more research is needed to determine the reliability, validity, and prevalence of this clinically important health problem.
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Affiliation(s)
- Steven E Meredith
- Department of Psychiatry and Behavioral Sciences, The Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Laura M Juliano
- Department of Psychology, American University , Washington, District of Columbia
| | - John R Hughes
- Department of Psychology, University of Vermont , Burlington, Vermont. ; Department of Psychiatry, University of Vermont , Burlington, Vermont
| | - Roland R Griffiths
- Department of Psychiatry and Behavioral Sciences, The Johns Hopkins University School of Medicine , Baltimore, Maryland. ; Department of Neuroscience, The Johns Hopkins University School of Medicine , Baltimore, Maryland
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The impact of coffee on health. Maturitas 2013; 75:7-21. [DOI: 10.1016/j.maturitas.2013.02.002] [Citation(s) in RCA: 209] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Revised: 02/04/2013] [Accepted: 02/07/2013] [Indexed: 01/27/2023]
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Gajewska A, Blumenthal TD, Winter B, Herrmann MJ, Conzelmann A, Mühlberger A, Warrings B, Jacob C, Arolt V, Reif A, Zwanzger P, Pauli P, Deckert J, Domschke K. Effects of ADORA2A gene variation and caffeine on prepulse inhibition: a multi-level risk model of anxiety. Prog Neuropsychopharmacol Biol Psychiatry 2013; 40:115-21. [PMID: 22940476 DOI: 10.1016/j.pnpbp.2012.08.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Revised: 08/08/2012] [Accepted: 08/16/2012] [Indexed: 01/13/2023]
Abstract
The complex pathogenesis of anxiety and panic disorder in particular has been suggested to be influenced by genetic factors such as the adenosine A2A receptor gene (ADORA2A) 1976T>C polymorphism (rs5751876) as well as neuropsychological factors such as early information processing deficits. In 114 healthy individuals (males=57, females=57) controlled for anxiety sensitivity (AS), a multi-level risk model of the development of anxiety was applied: Genetic (ADORA2A 1976T>C variant) and biochemical (300 mg of caffeine citrate vs. placebo) factors were hypothesized to influence early information processing as measured by the prepulse inhibition/facilitation paradigm (stimulus onset asynchronies (SOAs) of 60, 120, 240, 480 and 2000ms between prepulses and startle stimuli). A fourfold interaction of genotype, intervention, gender, and SOAs was discerned. Stratification by SOAs revealed that at 120 ms and 240 ms SOAs in the caffeine condition, PPI was impaired in female ADORA2A 1976TT risk genotype carriers as compared to male ADORA2A 1976TT homozygotes, while no significant effects were observed in the ADORA2A 1976CC/CT non-risk genotype or placebo group. Only in high anxiety sensitive probands, a significant intervention effect was discerned with impaired prepulse facilitation (PPF) due to caffeine. The present results point to an impaired ability to selectively process very early information and to gate irrelevant sensory information, respectively, in female ADORA2A 1976TT homozygotes in response to caffeine, providing further evidence for the adenosinergic system to be involved in the pathogenesis of anxiety.
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Affiliation(s)
- Agnieszka Gajewska
- Department of Psychiatry, Psychosomatics and Psychotherapy, University of Wuerzburg, Fuechsleinstrasse 15, D-97080 Wuerzburg, Germany
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