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Russo GI, Broggi G, Cocci A, Capogrosso P, Falcone M, Sokolakis I, Gül M, Caltabiano R, Di Mauro M. Relationship between Dietary Patterns with Benign Prostatic Hyperplasia and Erectile Dysfunction: A Collaborative Review. Nutrients 2021; 13:nu13114148. [PMID: 34836403 PMCID: PMC8618879 DOI: 10.3390/nu13114148] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 11/16/2022] Open
Abstract
Interest in the role of dietary patterns has been consistently emerging in recent years due to much research that has documented the impact of metabolism on erectile dysfunction (ED) and/or benign prostatic hyperplasia (BPH). We conducted a non-systematic review of English articles published from 1964 to September 2021. The search terms were: (“dietary patterns” OR “diet”) AND/OR (“erectile dysfunction”) AND/OR (“benign prostatic hyperplasia”). In the present review, we have highlighted how the association between dietary patterns and two of the most frequent pathologies in urology, namely erectile dysfunction and benign prostatic hyperplasia, is present in the literature. The data suggested that a diet that is more adherent to the Mediterranean diet or that emphasizes the presence of vegetables, fruits, nuts, legumes, and fish or other sources of long-chain (n-3) fats, in addition to reduced content of red meat, may have a beneficial role on erectile function. At the same time, the same beneficial effects can be transferred to BPH as a result of the indirect regulatory effects on prostatic growth and smooth muscle tone, thus determining an improvement in symptoms. Certainly, in-depth studies and translational medicine are needed to confirm these encouraging data.
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Affiliation(s)
- Giorgio Ivan Russo
- Urology Section, University of Catania, 95123 Catania, Italy
- Correspondence:
| | - Giuseppe Broggi
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, Anatomic Pathology, University of Catania, 95123 Catania, Italy; (G.B.); (R.C.)
| | - Andrea Cocci
- Department of Urology, University of Florence, 50100 Florence, Italy;
| | - Paolo Capogrosso
- Department of Urology and Andrology, Ospedale di Circolo and Macchi Foundation, 21100 Varese, Italy;
| | - Marco Falcone
- Department of Urology, Molinette Hospital, A.O.U. Città della Salute e della Scienza di Torino, 10100 Turin, Italy;
| | - Ioannis Sokolakis
- Department of Urology, Martha-Maria Hospital Nuremberg, 90491 Nuremberg, Germany;
| | - Murat Gül
- School of Medicine, Department of Urology, Selcuk University, 42005 Konya, Turkey;
| | - Rosario Caltabiano
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, Anatomic Pathology, University of Catania, 95123 Catania, Italy; (G.B.); (R.C.)
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Dietary micronutrients intake and plasma fibrinogen levels in the general adult population. Sci Rep 2021; 11:3843. [PMID: 33589702 PMCID: PMC7884715 DOI: 10.1038/s41598-021-83217-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 01/28/2021] [Indexed: 01/31/2023] Open
Abstract
Plasma fibrinogen predicts cardiovascular and nonvascular mortality. However, there is limited population-based evidence on the association between fibrinogen levels and dietary intakes of micronutrients possibly associated with inflammation status. Data were taken from the ENRICA study, conducted with 10,808 individuals representative of the population of Spain aged ≥ 18 years. Nutrient intake (vitamin A, carotenoids, vitamin B6, vitamin C, vitamin D, vitamin E, magnesium, selenium, zinc and iron) was estimated with a validated diet history, and plasma fibrinogen was measured under appropriate quality checks. Statistical analyses were performed with linear regression and adjusted for main confounders. The geometric means of fibrinogen (g/L) across increasing quintiles of nutrient intake were 3.22, 3.22, 3.22, 3.16, and 3.19 (p-trend = 0.030) for vitamin E; 3.23, 3.22, 3.20, 3.19, and 3.19 (p-trend = 0.047) for magnesium; and 3.24, 3.22, 3.19, 3.21, and 3.19 (p-trend = 0.050) for iron. These inverse associations were more marked in participants with abdominal obesity and aged ≥ 60 years, but lost statistical significance after adjustment for other nutrients. Although dietary intakes of vitamin E, magnesium and iron were inversely associated with fibrinogen levels, clinical implications of these findings are uncertain since these results were of very small magnitude and mostly explained by intake levels of other nutrients.
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Kaya-Sezginer E, Gur S. The Inflammation Network in the Pathogenesis of Erectile Dysfunction: Attractive Potential Therapeutic Targets. Curr Pharm Des 2021; 26:3955-3972. [PMID: 32329680 DOI: 10.2174/1381612826666200424161018] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 03/17/2020] [Indexed: 01/01/2023]
Abstract
BACKGROUND Erectile dysfunction (ED) is an evolving health problem in the aging male population. Chronic low-grade inflammation is a critical component of ED pathogenesis and a probable intermediate stage of endothelial dysfunction, especially in metabolic diseases, with the inclusion of obesity, metabolic syndrome, and diabetes. OBJECTIVE This review will present an overview of preclinical and clinical data regarding common inflammatory mechanisms involved in the pathogenesis of ED associated with metabolic diseases and the effect of antiinflammatory drugs on ED. METHODS A literature search of existing pre-clinical and clinical studies was performed on databases [Pubmed (MEDLINE), Scopus, and Embase] from January 2000 to October 2019. RESULTS Low-grade inflammation is a possible pathological role in endothelial dysfunction as a consequence of ED and other related metabolic diseases. Increased inflammation and endothelial/prothrombotic markers can be associated with the presence and degree of ED. Pharmacological therapy and modification of lifestyle and risk factors may have a significant role in the recovery of erectile response through reduction of inflammatory marker levels. CONCLUSION Inflammation is the least common denominator in the pathology of ED and metabolic disorders. The inflammatory process of ED includes a shift in the complex interactions of cytokines, chemokines, and adhesion molecules. These data have established that anti-inflammatory agents could be used as a therapeutic opportunity in the prevention and treatment of ED. Further research on inflammation-related mechanisms underlying ED and the effect of therapeutic strategies aimed at reducing inflammation is required for a better understanding of the pathogenesis and successful management of ED.
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Affiliation(s)
- Ecem Kaya-Sezginer
- Department of Biochemistry and Pharmacology, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Serap Gur
- Department of Biochemistry and Pharmacology, Faculty of Pharmacy, Ankara University, Ankara, Turkey
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Endothelial Dysfunction and Extra-Articular Neurological Manifestations in Rheumatoid Arthritis. Biomolecules 2021; 11:biom11010081. [PMID: 33435178 PMCID: PMC7827097 DOI: 10.3390/biom11010081] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/06/2020] [Accepted: 01/08/2021] [Indexed: 12/15/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, systemic, inflammatory autoimmune disease that affects about 1% of the global population, with a female–male ratio of 3:1. RA preferably affects the joints, with consequent joint swelling and deformities followed by ankylosis. However, evidence has accumulated showing that patients suffering from RA can also develop extra-articular manifestations, including cardiovascular disease states, neuropathies, and multiorgan dysfunction. In particular, peripheral nerve disorders showed a consistent impact in the course of the disease (prevalence about 20%) mostly associated to vasculitis of the nerve vessels leading to vascular ischemia, axonal degeneration, and neuronal demyelination. The pathophysiological basis of this RA-associated microvascular disease, which leads to impairment of assonal functionality, is still to be better clarified. However, endothelial dysfunction and alterations of the so-called brain-nerve barrier (BNB) seem to play a fundamental role. This review aims to assess the potential mechanisms underlying the impairment of endothelial cell functionality in the development of RA and to identify the role of dysfunctional endothelium as a causative mechanism of extra-articular manifestation of RA. On the other hand, the potential impact of lifestyle and nutritional interventions targeting the maintenance of endothelial cell integrity in patients with RA will be discussed as a potential option when approaching therapeutic solutions in the course of the disease.
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Alarcon G, Medina A, Martin Alzogaray F, Sierra L, Roco J, Van Nieuwenhove C, Medina M, Jerez S. Partial replacement of corn oil with chia oil into a high fat diet produces either beneficial and deleterious effects on metabolic and vascular alterations in rabbits. PHARMANUTRITION 2020. [DOI: 10.1016/j.phanu.2020.100218] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Bauer SR, Breyer BN, Stampfer MJ, Rimm EB, Giovannucci EL, Kenfield SA. Association of Diet With Erectile Dysfunction Among Men in the Health Professionals Follow-up Study. JAMA Netw Open 2020; 3:e2021701. [PMID: 33185675 PMCID: PMC7666422 DOI: 10.1001/jamanetworkopen.2020.21701] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
IMPORTANCE Erectile dysfunction, especially in younger men, is an early sign of cardiovascular disease and may decrease quality of life. Men may be motivated to adopt a healthy dietary pattern if it lowers their risk of erectile dysfunction. OBJECTIVE To assess the association between adherence to a diet quality index based on healthy dietary patterns and erectile dysfunction in men. DESIGN, SETTING, AND PARTICIPANTS This population-based prospective cohort study included men from the Health Professionals Follow-up Study with follow-up from January 1, 1998, through January 1, 2014. Participants included US male health professionals aged 40 to 75 years at enrollment. Men with erectile dysfunction or a diagnosis of myocardial infarction, diabetes, stroke, or genitourinary cancer at baseline were excluded. Analyses were completed in February 2020. EXPOSURES A food frequency questionnaire was used to determine nutrient and food intake every 4 years. MAIN OUTCOMES AND MEASURES Diet quality was assessed by Mediterranean Diet score and the Alternative Healthy Eating Index 2010 score, with higher scores indicating healthier diet. Dietary index scores were cumulatively updated from 1986 until men developed erectile dysfunction, cardiovascular disease, died, or were lost to follow-up. Incident erectile dysfunction was assessed with questionnaires in 2000, 2004, 2008, and 2012. Hazard ratios (HRs) by prespecified categories or quintiles of dietary index scores were estimated using Cox proportional hazards regression analyses stratified by age. RESULTS Among 21 469 men included in analysis, mean (SD) age at baseline was 62 (8.4) years. During a mean (SD) follow-up of 10.8 (5.4) years and 232 522 person-years, there were 968 incident erectile dysfunction cases among men younger than 60 years, 3703 cases among men aged 60 to less than 70 years, and 4793 cases among men aged 70 years or older. Men younger than 60 years and in the highest category of the Mediterranean Diet score had the lowest relative risk of incident erectile dysfunction compared with men in the lowest category (HR, 0.78; 95% CI, 0.66-0.92). Higher Mediterranean diet scores were also inversely associated with incident erectile dysfunction among older men (age 60 to <70 years: HR, 0.82; 95% CI, 0.76-0.89; age ≥70 years: HR, 0.93; 95% CI, 0.86-1.00). Men scoring in the highest quintile of the Alternative Healthy Eating Index 2010 also had a lower risk of incident erectile dysfunction, particularly among men age younger than 60 years (quintile 5 vs quintile 1: HR, 0.78; 95% CI, 0.63-0.97). CONCLUSIONS AND RELEVANCE This cohort study found that adherence to healthy dietary patterns was associated with a lower risk for erectile dysfunction, suggesting that a healthy dietary pattern may play a role in maintaining erectile health.
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Affiliation(s)
- Scott R. Bauer
- Department of Medicine, University of California, San Francisco
- Department of Urology, University of California, San Francisco
- Division of General Internal Medicine, San Francisco VA Medical Center, San Francisco, California
| | - Benjamin N. Breyer
- Department of Urology, University of California, San Francisco
- Department of Epidemiology and Biostatistics, University of California, San Francisco
| | - Meir J. Stampfer
- Departments of Nutrition & Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
| | - Eric B. Rimm
- Departments of Nutrition & Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
| | - Edward L. Giovannucci
- Departments of Nutrition & Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
| | - Stacey A. Kenfield
- Department of Urology, University of California, San Francisco
- Department of Epidemiology and Biostatistics, University of California, San Francisco
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Haring B, Selvin E, He X, Coresh J, Steffen LM, Folsom AR, Tang W, Rebholz CM. Adherence to the Dietary Approaches to Stop Hypertension Dietary Pattern and Risk of Abdominal Aortic Aneurysm: Results From the ARIC Study. J Am Heart Assoc 2018; 7:e009340. [PMID: 30571386 PMCID: PMC6404186 DOI: 10.1161/jaha.118.009340] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 09/21/2018] [Indexed: 02/07/2023]
Abstract
Background The role of a healthy dietary pattern in the prevention of abdominal aortic aneurysms ( AAA ) is unknown. We aimed to evaluate the relationship between adherence to a Dietary Approaches To Stop Hypertension-style dietary pattern and the risk of incident AAA s. Methods and Results Dietary intake was assessed via a 66-item food frequency questionnaire at baseline (1987-1989) and at visit 3 (1993-1995) in 13 496 participants enrolled in the ARIC (Atherosclerosis Risk in Communities) study without clinical AAA (mean age, 54 years). A dietary scoring index based on food times was constructed to assess self-reported adherence to a dietary approaches to stop hypertension-style dietary pattern. Participants were followed for incident clinical AAA s using hospital discharge diagnoses, Medicare inpatient and outpatient diagnoses, or death certificates through December 31, 2011. Cox proportional hazards models with covariate adjustment were used to estimate hazard ratios with 95% confidence intervals. During a median follow-up of 23 years, there were 517 incident AAA cases. Individuals with a Dietary Approaches To Stop Hypertension-style diet score in the highest quintile had a 40% lower risk of hospitalization for AAA than those in the lowest quintile (hazard ratioQ5 vs Q1: 0.60; 95% confidence intervals: 0.44, 0.83; Ptrend=0.002). In detailed analyses, higher consumption of fruits, vegetables, whole grains, low-fat dairy, and nuts and legumes was related to a lower risk for AAA . Conclusions Greater adherence to a Dietary Approaches To Stop Hypertension-style dietary pattern was associated with lower risk for AAA . Higher consumption of fruits, vegetables, whole grains, low-fat dairy as well as nuts and legumes may help to decrease the burden of AAA s.
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Affiliation(s)
- Bernhard Haring
- Department of Internal Medicine IUniversity of WürzburgBavariaGermany
| | - Elizabeth Selvin
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
- Welch Center for PreventionEpidemiology, and Clinical ResearchJohns Hopkins UniversityBaltimoreMD
| | - Xintong He
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
- Welch Center for PreventionEpidemiology, and Clinical ResearchJohns Hopkins UniversityBaltimoreMD
| | - Josef Coresh
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
- Welch Center for PreventionEpidemiology, and Clinical ResearchJohns Hopkins UniversityBaltimoreMD
| | - Lyn M. Steffen
- Division of Epidemiology and Community HealthUniversity of Minnesota School of Public HealthMinneapolisMN
| | - Aaron R. Folsom
- Division of Epidemiology and Community HealthUniversity of Minnesota School of Public HealthMinneapolisMN
| | - Weihong Tang
- Division of Epidemiology and Community HealthUniversity of Minnesota School of Public HealthMinneapolisMN
| | - Casey M. Rebholz
- Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMD
- Welch Center for PreventionEpidemiology, and Clinical ResearchJohns Hopkins UniversityBaltimoreMD
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Diet and Men's Sexual Health. Sex Med Rev 2018; 6:54-68. [DOI: 10.1016/j.sxmr.2017.07.004] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/05/2017] [Accepted: 07/05/2017] [Indexed: 01/08/2023]
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Hackett G, Krychman M, Baldwin D, Bennett N, El-Zawahry A, Graziottin A, Lukasiewicz M, McVary K, Sato Y, Incrocci L. Coronary Heart Disease, Diabetes, and Sexuality in Men. J Sex Med 2017; 13:887-904. [PMID: 27215685 DOI: 10.1016/j.jsxm.2016.01.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2015] [Revised: 01/09/2016] [Accepted: 01/12/2016] [Indexed: 12/30/2022]
Abstract
Erectile dysfunction (ED) has been well recognized as a marker of increased cardiovascular risk for more than 15 years, especially in younger men. Early detection of ED represents an opportunity to intervene to decrease the risk of future cardiovascular events and limit the progression of ED severity. Evidence suggests there is a window of opportunity of 3 to 5 years from the onset of ED to subsequent cardiovascular events. This opportunity is usually missed if the onus is placed on the patient to seek care for his sexual problems. Unfortunately, these clear messages have not been incorporated into routine cardiovascular care. The reasons for these disparities within specialties are discussed in this article, in addition to management algorithms. Lifestyle modification is usually recommended as the first-line treatment to correct ED and lessen cardiovascular risk, but evidence suggests that this might be effective only in men without established cardiovascular comorbidities. In men with type 2 diabetes mellitus and established cardiovascular disease, lifestyle modification alone is unlikely to be effective. Cardiovascular medications are often associated with sexual dysfunction but changes in medication are more likely to be beneficial in men with milder recent-onset ED. A balanced view must be taken related to medication adverse events, taking into account optimal management of established cardiovascular disease. Testosterone deficiency has been associated with different metabolic disorders, especially metabolic syndrome and type 2 diabetes mellitus. Testosterone deficiency syndrome has been associated with an independent burden on sexual function globally and increased cardiovascular and all-cause mortality. Testosterone replacement therapy has been shown to improve multiple aspects of sexual function and, in some studies, has been associated with a decrease in mortality, especially in men with type 2 diabetes mellitus. Recent studies have suggested that phosphodiesterase type 5 inhibitors, the first-line medications to treat ED, could decrease cardiovascular and all-cause mortality, through multiple mechanisms, predominantly related to improved endothelial function.
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Affiliation(s)
| | - Michael Krychman
- Southern California Center for Sexual Health and Survivorship Medicine, Newport Beach, CA, USA
| | - David Baldwin
- Clinical and Experimental Sciences Academic Unit, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Nelson Bennett
- Department of Urology, Lahey Hospital, Burlington, MA, USA
| | - Ahmed El-Zawahry
- Division of Urology, SIU School of Medicine, Springfield, IL, USA
| | | | | | - Kevin McVary
- Division of Urology, SIU School of Medicine, Springfield, IL, USA
| | - Yoshikazu Sato
- Department of Urology, Sanjukai Hospital, Sapporo, Japan
| | - Luca Incrocci
- Erasmus MC Cancer Institute, Department of Radiation Oncology, Rotterdam, The Netherlands
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Rebholz CM, Crews DC, Grams ME, Steffen LM, Levey AS, Miller ER, Appel LJ, Coresh J. DASH (Dietary Approaches to Stop Hypertension) Diet and Risk of Subsequent Kidney Disease. Am J Kidney Dis 2016; 68:853-861. [PMID: 27519166 PMCID: PMC5123940 DOI: 10.1053/j.ajkd.2016.05.019] [Citation(s) in RCA: 145] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 05/13/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND There are established guidelines for recommended dietary intake for hypertension treatment and cardiovascular disease prevention. Evidence is lacking for effective dietary patterns for kidney disease prevention. STUDY DESIGN Prospective cohort study. SETTING & PARTICIPANTS Atherosclerosis Risk in Communities (ARIC) Study participants with baseline estimated glomerular filtration rate (eGFR) ≥ 60mL/min/1.73m2 (N=14,882). PREDICTOR The Dietary Approaches to Stop Hypertension (DASH) diet score was calculated based on self-reported dietary intake of red and processed meat, sweetened beverages, sodium, fruits, vegetables, whole grains, nuts and legumes, and low-fat dairy products, averaged over 2 visits. OUTCOMES Cases were ascertained based on the development of eGFRs<60mL/min/1.73m2 accompanied by ≥25% eGFR decline from baseline, an International Classification of Diseases, Ninth/Tenth Revision code for a kidney disease-related hospitalization or death, or end-stage renal disease from baseline through 2012. RESULTS 3,720 participants developed kidney disease during a median follow-up of 23 years. Participants with a DASH diet score in the lowest tertile were 16% more likely to develop kidney disease than those with the highest score tertile (HR, 1.16; 95% CI, 1.07-1.26; P for trend < 0.001), after adjusting for sociodemographics, smoking status, physical activity, total caloric intake, baseline eGFR, overweight/obese status, diabetes status, hypertension status, systolic blood pressure, and antihypertensive medication use. Of the individual components of the DASH diet score, high red and processed meat intake was adversely associated with kidney disease and high nuts, legumes, and low-fat dairy products intake was associated with reduced risk for kidney disease. LIMITATIONS Potential measurement error due to self-reported dietary intake and lack of data for albuminuria. CONCLUSIONS Consuming a DASH-style diet was associated with lower risk for kidney disease independent of demographic characteristics, established kidney risk factors, and baseline kidney function. Healthful dietary patterns such as the DASH diet may be beneficial for kidney disease prevention.
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Affiliation(s)
- Casey M Rebholz
- Welch Center for Prevention, Epidemiology, and Clinical Research, Baltimore, MD; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD.
| | - Deidra C Crews
- Welch Center for Prevention, Epidemiology, and Clinical Research, Baltimore, MD; Division of Nephrology, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD
| | - Morgan E Grams
- Welch Center for Prevention, Epidemiology, and Clinical Research, Baltimore, MD; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD; Division of Nephrology, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD
| | - Lyn M Steffen
- Division of Epidemiology & Community Health, University of Minnesota School of Public Health, Minneapolis, MN
| | - Andrew S Levey
- William B. Schwartz Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, MA
| | - Edgar R Miller
- Welch Center for Prevention, Epidemiology, and Clinical Research, Baltimore, MD; Division of General Internal Medicine, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD
| | - Lawrence J Appel
- Welch Center for Prevention, Epidemiology, and Clinical Research, Baltimore, MD; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD; Division of General Internal Medicine, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD
| | - Josef Coresh
- Welch Center for Prevention, Epidemiology, and Clinical Research, Baltimore, MD; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD; Division of General Internal Medicine, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD
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Maiorino MI, Bellastella G, Esposito K. Lifestyle modifications and erectile dysfunction: what can be expected? Asian J Androl 2016; 17:5-10. [PMID: 25248655 PMCID: PMC4291878 DOI: 10.4103/1008-682x.137687] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Erectile dysfunction (ED) is a common medical disorder whose prevalence is increasing worldwide. Modifiable risk factors for ED include smoking, lack of physical activity, wrong diets, overweight or obesity, metabolic syndrome, and excessive alcohol consumption. Quite interestingly, all these metabolic conditions are strongly associated with a pro-inflammatory state that results in endothelial dysfunction by decreasing the availability of nitric oxide (NO), which is the driving force of the blood genital flow. Lifestyle and nutrition have been recognized as central factors influencing both vascular NO production, testosterone levels, and erectile function. Moreover, it has also been suggested that lifestyle habits that decrease low-grade clinical inflammation may have a role in the improvement of erectile function. In clinical trials, lifestyle modifications were effective in ameliorating ED or restoring absent ED in people with obesity or metabolic syndrome. Therefore, promotion of healthful lifestyles would yield great benefits in reducing the burden of sexual dysfunction. Efforts, in order to implement educative strategies for healthy lifestyle, should be addressed.
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Affiliation(s)
| | | | - Katherine Esposito
- Department of Clinical and Experimental Medicine, Second University of Naples, via Pansini n° 5, Naples, Italy
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Abstract
INTRODUCTION Erectile dysfunction (ED) has been significantly associated with many chronic conditions including obesity, the metabolic syndrome, hypogonadism, diabetes mellitus, cardiovascular disease (CVD), lower urinary tract symptoms, and psychiatric/psychological disorders. ED is also a well-established predictor of CVD. AIM This review will focus on the association of ED with cardiovascular, metabolic, and cognitive conditions and discuss the effects of managing lifestyle factors in order to reduce the burden of ED and consequently outcomes in patients with chronic conditions. METHODS A literature search using Medline, PubMed (U.S. National Library of Medicine and the National Institutes of Health), and abstracts from scientific meetings was performed from 1990. MAIN OUTCOME MEASURES Main outcome measures were improvements in sexual function. RESULTS A total of 59 reviews on the topic were evaluated. CONCLUSIONS Targeting several lifestyle factors associated with CVD/metabolic/cognitive disorders, e.g., smoking, alcohol consumption, obesity, and physical activity, can have significant benefits, leading to an improvement in ED as well as testosterone levels and consequently CVD. Kirby M. The circle of lifestyle and erectile dysfunction. Sex Med Rev 2015;3:169-182.
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Affiliation(s)
- Michael Kirby
- The Centre for Research in Primary and Community Care (CRIPACC), University of Hertfordshire, Hatfield, Herts, UK; The Prostate Centre, London, UK.
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Wirfält E, Drake I, Wallström P. What do review papers conclude about food and dietary patterns? Food Nutr Res 2013; 57:20523. [PMID: 23467387 PMCID: PMC3589439 DOI: 10.3402/fnr.v57i0.20523] [Citation(s) in RCA: 119] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 01/29/2013] [Accepted: 01/30/2013] [Indexed: 12/11/2022] Open
Abstract
Nutrients and other bioactive constituents of foods may interact with each other and the surrounding food matrix in complex ways. Therefore, associations between single nutrients and chronic disease may be difficult to identify and interpret, but when dietary patterns (DPs) are examined the combination of many food factors will be considered. An explorative literature search of published review articles was conducted to obtain a fuller understanding of current DPs in epidemiological research, to discuss pros and cons of DPs in nutrition research, and to identify results of studies linking DPs to chronic disease risk in adults. Randomized feeding trials providing the experimental diets to study participants have repeatedly demonstrated that diets based on current dietary recommendations are associated with important health benefits. Systematic reviews of feeding trials and prospective population studies of DPs and chronic disease risk reach similar conclusions regardless of the methodology used to construct DPs. However, to date only a few review articles of DP studies have followed a systematic process using independent reviewers with strict inclusion, exclusion, and study quality criteria. Diets with plenty of plants foods, fish, and seafood that preferably include vegetable oils and low-fat dairy products are associated with a lower risk of most chronic diseases. In contrast, Western-type DPs with food products low in essential nutrients and high in energy, like sugar-sweetened beverages, sweets, refined cereals and solid fats (e.g. butter), and high in red and processed meats, are associated with adverse health effects. An emphasis on high-quality original research, and systematic reviews following a structured process to objectively select and judge studies, is needed in order to enforce a strong future knowledge base regarding DPs and chronic disease.
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Affiliation(s)
- Elisabet Wirfält
- Research group in Nutritional Epidemiology, Department of Clinical Sciences in Malmö, Lund University, Malmö, Sweden
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Landberg R, Naidoo N, van Dam RM. Diet and endothelial function: from individual components to dietary patterns. Curr Opin Lipidol 2012; 23:147-55. [PMID: 22327611 DOI: 10.1097/mol.0b013e328351123a] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW Endothelial dysfunction plays an important role in development and progression of atherosclerosis and may also contribute to the pathogenesis of type 2 diabetes. This review summarizes recent findings on the effects of vitamin D, antioxidant vitamins, polyphenols, polyphenol-rich foods, dietary component combinations and healthy diets on endothelial function. RECENT FINDINGS Dietary patterns rich in fruit, vegetables, fish and nuts appear to have beneficial effects on endothelial function. With regard to specific foods, cacao and green tea consumption have been associated with improvement in endothelial function and this seems to be due to their flavan-3-ol (catechins and epigallocatechin gallate) content. The evidence for beneficial effects of other foods such as citrus fruit, apples and red wine is less consistent. Recent studies have also suggested beneficial effects of vitamin D and anthocyanins on endothelial function and have provided more insight into potential mechanisms underlying the effect of diet on endothelial function. SUMMARY The currently available evidence supports beneficial effects of various dietary compounds on endothelial function. However, in order to obtain strong evidence for relevant health effects that can be used for specific dietary recommendations, more long-term studies using well characterized diets/supplements in a large number of individuals are needed.
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Affiliation(s)
- Rikard Landberg
- Department of Food Science, BioCentre, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden.
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Martinez-Gomez D, Eisenmann JC, Healy GN, Gomez-Martinez S, Diaz LE, Dunstan DW, Veiga OL, Marcos A. Sedentary behaviors and emerging cardiometabolic biomarkers in adolescents. J Pediatr 2012; 160:104-10.e2. [PMID: 21839464 DOI: 10.1016/j.jpeds.2011.06.037] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2011] [Revised: 05/24/2011] [Accepted: 06/23/2011] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To examine the associations of objectively measured sedentary time and television (TV) viewing time with emerging inflammatory and endothelial function markers in adolescents. STUDY DESIGN This study comprised 183 adolescents (88 girls), aged 13 to 17 years. Sedentary time and moderate-to-vigorous physical activity was objectively measured with accelerometry, whereas TV viewing time was self-reported. White blood cell counts and levels of C-reactive protein, complement factors C3 and C4, interleukin-6, adiponectin, leptin, intercellular adhesion molecule 1, vascular cell adhesion molecule 1, E-selectin, L-selectin, and plasminogen activator inhibitor-1 were measured in fasted blood samples. RESULTS Sedentary time was not significantly associated with any of the examined cardiometabolic markers after controlling for potential confounders. However, TV viewing time was positively associated with soluble endothelial adhesion molecules intercellular adhesion molecule 1 (standardized β = 0.19, P = .008), vascular cell adhesion molecule 1 (β = 0.17, P = .020), L-selectin (β = 0.18, P = .013), and E-selectin (β = 0.16, P = .023) concentrations, after controlling for sex, age, pubertal status, moderate-to-vigorous physical activity, body mass index, and total sedentary time. CONCLUSIONS High TV viewing time may play a key role in cardiovascular and metabolic diseases through the cell adhesion molecules in adolescence.
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Affiliation(s)
- David Martinez-Gomez
- Department of Metabolism and Nutrition, Spanish National Research Council, Madrid, Spain.
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16
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Lifestyle/dietary recommendations for erectile dysfunction and female sexual dysfunction. Urol Clin North Am 2011; 38:293-301. [PMID: 21798391 DOI: 10.1016/j.ucl.2011.04.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Sexual problems are diffuse in both genders. Although epidemiologic evidence seems to support a role for lifestyle factors in erectile dysfunction, limited data are available suggesting the treatment of underlying risk factors may improve erectile dysfunction. The results are sparse regarding associations between lifestyle factors and female sexual dysfunction, and conclusions regarding influence of healthy behaviors on female sexual dysfunction cannot be made before more studies have been performed. Beyond the specific effects on sexual dysfunctions in men and women, adoption of these measures promotes a healthier life and increased well-being, which may help reduce the burden of sexual dysfunction.
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Casas-Agustench P, López-Uriarte P, Ros E, Bulló M, Salas-Salvadó J. Nuts, hypertension and endothelial function. Nutr Metab Cardiovasc Dis 2011; 21 Suppl 1:S21-S33. [PMID: 21546229 DOI: 10.1016/j.numecd.2011.01.009] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2010] [Revised: 12/14/2010] [Accepted: 01/12/2011] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND AIMS High blood pressure (BP) is considered a major risk factor for cardiovascular disease. Among lifestyle factors, diet plays a key role in the prevention and control of high BP. Therefore, it is important to elucidate which dietary components can exert beneficial effects on BP through modulation of endothelial function (EF) or by other mechanisms. In this paper we review the role of nutrients, foods, particularly nuts, and dietary patterns on BP control. DATA SYNTHESIS Because nuts are low in sodium and contain significant amounts of mono- and polyunsaturated fatty acids, fiber, minerals such as magnesium, potassium and calcium, and antioxidants, they have been suggested as potentially protective foods against hypertension. Limited evidence from prospective studies and clinical trials suggests that nut consumption has a beneficial effect on both BP and EF. However, BP changes were a secondary outcome in nut feeding trials and no study used ambulatory BP monitoring as the standard for BP measurements. CONCLUSIONS Further clinical trials, ideally using ambulatory BP monitoring, are needed to establish the potential protective effect of nut consumption on hypertension and vascular reactivity.
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Affiliation(s)
- P Casas-Agustench
- Human Nutrition Unit, Hospital Universitari Sant Joan de Reus, Departament de Bioquímica i Biotecnologia, IISPV, Universitat Rovira i Virgili, Reus, Spain
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Lin J, Fung TT, Hu FB, Curhan GC. Association of dietary patterns with albuminuria and kidney function decline in older white women: a subgroup analysis from the Nurses' Health Study. Am J Kidney Dis 2011; 57:245-54. [PMID: 21251540 DOI: 10.1053/j.ajkd.2010.09.027] [Citation(s) in RCA: 192] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2010] [Accepted: 09/27/2010] [Indexed: 12/21/2022]
Abstract
BACKGROUND Dietary patterns have been linked to such chronic diseases as cardiovascular disease, but sparse data currently are available for associations between dietary patterns and microalbuminuria or kidney function decline. STUDY DESIGN Subgroup analysis from a prospective observational cohort study. SETTING & PARTICIPANTS Female participants in the Nurses' Health Study who had dietary pattern data from food frequency questionnaires returned in 1984, 1986, 1990, 1994, and 1998 and urinary albumin-creatinine ratios from 2000 (n = 3,121); estimated glomerular filtration rate (eGFR) change between 1989 and 2000 was available for 3,071. PREDICTOR Prudent (higher intake of fruits, vegetables, legumes, fish, poultry, and whole grains), Western (higher intake of red and processed meats, saturated fats, and sweets), and Dietary Approach to Stop Hypertension (DASH)-style dietary patterns (also greater intake of vegetables, fruits, and whole grains). OUTCOMES & MEASUREMENTS Microalbuminuria (albumin-creatinine ratio, 25-354 μg/mg) in 2000 and change in kidney function using eGFR between 1989 and 2000. RESULTS After multivariable adjustment, the highest quartile of Western pattern score compared with the lowest quartile was associated directly with microalbuminuria (OR, 2.17; 95% CI, 1.18-3.66; P for trend = 0.01) and rapid eGFR decline ≥3 mL/min/1.73 m(2)/y (OR, 1.77; 95% CI, 1.03-3.03). Women in the top quartile of the DASH score had decreased risk of rapid eGFR decline (OR, 0.55; 95% CI, 0.38-0.80), but no association with microalbuminuria. These associations did not vary by diabetes status. The prudent dietary pattern was not associated with microalbuminuria or eGFR decline. LIMITATIONS Study cohort included primarily older white women and generalizability of results would benefit from validation in nonwhites and men. CONCLUSIONS A Western dietary pattern is associated with a significantly increased odds of microalbuminuria and rapid kidney function decrease, whereas a DASH-style dietary pattern may be protective against rapid eGFR decline.
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Affiliation(s)
- Julie Lin
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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19
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Esposito K, Giugliano F, Maiorino MI, Giugliano D. Dietary Factors, Mediterranean Diet and Erectile Dysfunction. J Sex Med 2010; 7:2338-45. [DOI: 10.1111/j.1743-6109.2010.01842.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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20
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Lin J, Hu FB, Curhan GC. Associations of diet with albuminuria and kidney function decline. Clin J Am Soc Nephrol 2010; 5:836-43. [PMID: 20299364 PMCID: PMC2863979 DOI: 10.2215/cjn.08001109] [Citation(s) in RCA: 165] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2009] [Accepted: 01/28/2010] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND OBJECTIVES Sparse longitudinal data exist on how diet influences microalbuminuria and estimated GFR (eGFR) decline in people with well-preserved kidney function. DESIGN, SETTINGS, PARTICIPANTS, & MEASUREMENTS Of the 3348 women participating in the Nurses' Health Study who had data on urinary albumin to creatinine ratio in 2000, 3296 also had data on eGFR change between 1989 and 2000. Cumulative average intake of nutrients over 14 years was derived from semiquantitative food frequency questionnaires answered in 1984, 1986, 1990, 1994, and 1998. Microalbuminuria presence and eGFR decline > or = 30% were the outcomes of interest. RESULTS Compared with the lowest quartile, the highest quartile of animal fat (odds ratio (OR): 1.72; 95% confidence interval (CI): 1.12 to 2.64) and two or more servings of red meat per week (OR: 1.51; 95% CI: 1.01 to 2.26) were directly associated with microalbuminuria. After adjustment for other nutrients individually associated with eGFR decline > or = 30%, only the highest quartile of sodium intake remained directly associated (OR: 1.52; 95% CI: 1.10 to 2.09), whereas beta-carotene appeared protective (OR: 0.62, 95% CI: 0.43 to 0.89). Results did not vary by diabetes status for microalbuminuria and eGFR outcomes or in those without hypertension at baseline for eGFR decline. No significant associations were seen for other types of protein, fat, vitamins, folate, fructose, or potassium. CONCLUSIONS Higher dietary intake of animal fat and two or more servings per week of red meat may increase risk for microalbuminuria. Lower sodium and higher beta-carotene intake may reduce risk for eGFR decline.
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Affiliation(s)
- Julie Lin
- Renal Division, Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA.
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Hermsdorff HHM, Angeles Zulet M, Bressan J, Alfredo Martínez J. Effect of diet on the low-grade and chronic inflammation associated with obesity and metabolic syndrome. ACTA ACUST UNITED AC 2009; 55:409-19. [PMID: 22974454 DOI: 10.1016/s1575-0922(08)75078-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2007] [Accepted: 06/16/2008] [Indexed: 02/06/2023]
Abstract
Adipose tissue is an active endocrine and paracrine organ that releases a large number of cytokines and biomarkers, which are involved in the development of chronic diseases. These effects have been attributed to direct or indirect mechanisms acting on insulin resistance, inflammation and endothelial dysfunction. In addition, the expression and secretion of these biomarkers in various tissues can be influenced by dietary patterns, with an effect on inflammatory status. In this context, following an energy-balanced diet, moderate in carbohydrates, high in oleic and omega-3 fatty acids, and low in saturated and trans fatty acids, with high intake of fruits and legumes and moderate alcohol consumption, appears to have beneficial effects on the inflammatory state associated with obesity and the manifestations of metabolic syndrome. However, the long-term impact of habitual intake and the mechanisms involved in distinct physiological and pathological conditions remain unclear.
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Affiliation(s)
- Helen H M Hermsdorff
- Departamento de Ciencias de la Alimentación, Fisiología y Toxicología. Universidad de Navarra. Pamplona. Navarra. España
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Pandolfi A, De Filippis EA. Chronic hyperglicemia and nitric oxide bioavailability play a pivotal role in pro-atherogenic vascular modifications. GENES AND NUTRITION 2007; 2:195-208. [PMID: 18850175 DOI: 10.1007/s12263-007-0050-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2006] [Accepted: 11/10/2006] [Indexed: 02/07/2023]
Abstract
Diabetes is associated with accelerated atherosclerosis and macrovascular complications are a major cause of morbidity and mortality in this disease. Although our understanding of vascular pathology has lately greatly improved, the mechanism(s) underlying enhanced atherosclerosis in diabetes remain unclear. Endothelial cell dysfunction is emerging as a key component in the pathophysiology of cardiovascular abnormalities associated with diabetes. Although it has been established that endothelium plays a critical role in overall homeostasis of the vessels, vascular smooth muscle cells (vSMC) in the arterial intima have a relevant part in the development of atherosclerosis in diabetes. However, high glucose induced alterations in vSMC behaviour are not fully characterized. Several studies have reported that impaired nitric oxide (NO) synthesis and/or actions are often present in diabetes and endothelial dysfunction. Furthermore, although endothelial cells are by far the main site of vascular NO synthesis, vSMC do express nitric oxyde synthases (NOSs) and NO synthesis in vSMC might be important in vessel's function. Although it is known that vSMC contribute to vascular pathology in diabetes by their change from a quiescent state to an activated proliferative and migratory phenotype (termed phenotypic modulation), whether this altered phenotypic modulation might also involve alterations in the nitrergic systems is still controversial. Our recent data indicate that, in vivo, chronic hyperglycemia might induce an increased number of vSMC proliferative clones which persist in culture and are associated with increased eNOS expression and activity. However, upregulation of eNOS and increased NO synthesis occur in the presence of a marked concomitant increase of O(2-) production. Since NO bioavailabilty might not be increased in high glucose stimulated vSMC, it is tempting to hypothesize that the proliferative phenotype observed in cells from diabetic rats is associated with a redox imbalance responsible quenching and/or trapping of NO, with the consequent loss of its biological activity. This might provide new insight on the mechanisms responsible for accelerated atherosclerosis in diabetes.
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Affiliation(s)
- Assunta Pandolfi
- Aging Research Center, Ce.S.I., "Gabriele D'Annunzio" University Foundation, Department of Biomedical Science, University of "G. D'Annunzio", Room 458, Via Colle dell'Ara, 66013, Chieti-Pescara, Italy,
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Mensah GA. Healthy endothelium: The scientific basis for cardiovascular health promotion and chronic disease prevention. Vascul Pharmacol 2007; 46:310-4. [PMID: 17229594 DOI: 10.1016/j.vph.2006.10.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2006] [Revised: 10/06/2006] [Accepted: 10/06/2006] [Indexed: 12/01/2022]
Abstract
The vascular endothelium plays a critical role both in health and in the pathogenesis of chronic diseases, including cardiovascular disease. This review explores the underlying role of normal endothelial function in core public health interventions for health promotion and in the prevention and control of cardiovascular disease and its risk factors, as well as the application of endothelial science toward innovative public health programs and further research. Increased collaboration among basic scientists, clinician-investigators, prevention research centers, and all public health practitioners is needed to facilitate the translation of the endothelial science into practice.
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Affiliation(s)
- George A Mensah
- National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, (CDC), Mailstop K-40, 4770 Buford Highway NE, Atlanta, GA 30341-3717, USA.
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Triggle CR, Howarth A, Cheng ZJ, Ding H. Twenty-five years since the discovery of endothelium-derived relaxing factor (EDRF): does a dysfunctional endothelium contribute to the development of type 2 diabetes? Can J Physiol Pharmacol 2006; 83:681-700. [PMID: 16333371 DOI: 10.1139/y05-069] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Twenty-five years ago, the discovery of endothelium-derived relaxing factor opened a door that revealed a new and exciting role for the endothelium in the regulation of blood flow and led to the discovery that nitric oxide (NO) multi-tasked as a novel cell-signalling molecule. During the next 25 years, our understanding of both the importance of the endothelium as well as NO has greatly expanded. No longer simply a barrier between the blood and vascular smooth muscle, the endothelium is now recognized as a complex tissue with heterogeneous properties. The endothelium is the source of not only NO but also numerous vasoactive molecules and signalling pathways, some of which are still not fully characterized such as the putative endothelium-derived relaxing factor. Dysfunction of the endothelium is a key risk factor for the development of macro- and microvascular disease and, by coincidence, the discovery that NO was generated in the endothelium corresponds approximately in time with the increased incidence of type 2 diabetes. Primarily linked to dietary and lifestyle changes, we are now facing a global pandemic of type 2 diabetes. Characterized by insulin resistance and hyperglycaemia, type 2 diabetes is increasingly being diagnosed in adolescents as well as children. Is there a link between dietary-related hyperglycaemic insults to the endothelium, blood flow changes, and the development of insulin resistance? This review explores the evidence for and against this hypothesis.
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Affiliation(s)
- Chris R Triggle
- School of Medical Sciences, Bundoora West Campus, RMIT University, Victoria, Australia
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Esposito K, Giugliano F, De Sio M, Carleo D, Di Palo C, D'Armiento M, Giugliano D. Dietary factors in erectile dysfunction. Int J Impot Res 2006; 18:370-4. [PMID: 16395326 DOI: 10.1038/sj.ijir.3901438] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The role of dietary factors in erectile dysfunction (ED) has never been addressed. In the present case-control study, we investigated the relation of the Mediterranean diet with ED. A total of 100 men with ED were compared with 100 age-matched men without ED. A scale indicating the degree of adherence to the Mediterranean diet was constructed: the total Mediterranean diet score ranged from 0 (minimal adherence to the Mediterranean diet) to 9 (maximal adherence). The percentage of physical inactivity was greater in the ED group (35 vs 19%, P=0.04), whereas the diet score was lower (4.7+/-0.5 vs 5.4+/-0.5, P<0.01), indicating a reduced adherence to the Mediterranean diet. In analyses adjusted for the prevalence of associated risk factors (hypertension, hypercholesterolemia), body mass index, waist, physical inactivity and total energy intake, the intake of fruits and nuts, and the ratio of monounsaturated lipids to saturated lipids remained the only individual measures associated with ED. In conclusion, the results of the present study show that dietary factors may be important in the development of ED: adoption of healthy diets would hopefully help preventing ED.
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Affiliation(s)
- K Esposito
- Division of Metabolic Diseases, University of Naples SUN, Piazza Miraglia, Naples, Italy.
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