Institute Investigacion Biosanitaria Of Granada Ibsgranada

Granada, Spain

Institute Investigacion Biosanitaria Of Granada Ibsgranada

Granada, Spain
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Dierssen-Sotos T.,CIBER ISCIII | Dierssen-Sotos T.,University of Cantabria | Gomez-Acebo I.,CIBER ISCIII | Gomez-Acebo I.,University of Cantabria | And 45 more authors.
Preventive Medicine | Year: 2017

The potential protective effect of renin–angiotensin system (RAS) inhibitors is a subject of increasing interest due to their possible role as chemopreventive agents against colorectal cancer (CRC). To evaluate this association, we conducted a case-control study with 2165 cases of colorectal cancer, diagnosed between 2007 and 2012, and 3912 population controls frequency matched (by age, sex and region) from the Spanish multicenter case-control study MCC-Spain. We found a significant protective effect of the angiotensin-converting enzyme Inhibitors (ACEIs) against CRC, limited to the under-65 years group (OR = 0.65 95%CI (0.48–0.89)) and to a lesser degree to men (OR = 0.81 95%CI (0.66–0.99). In contrast, the angiotensin receptor blockers (ARBs) did not show a significant effect. Regarding the duration of use, a greater protection was observed in men as the length of consumption increases. In contrast, in the under-65 stratum, the strongest association was found in short-term treatments. Finally, by analyzing ACEIs effect by colon subsite, we found no differences, except for under 65 years old, where the maximum protection was seen in the proximal intestine, descending in the distal and rectum (without statistical significance). In conclusion, our study shows a protective effect on CRC of the ACEis limited to males and people under 65 years old, which increases in proximal colon in the latter. If confirmed, these results may suggest a novel approach to proximal CRC prevention, given the shortcomings of colonoscopy screening in this location. © 2017 Elsevier Inc.

Robles-Vera I.,University of Granada | Toral M.,University of Granada | Romero M.,University of Granada | Romero M.,Institute Investigacion Biosanitaria Of Granada Ibsgranada | And 6 more authors.
Current Hypertension Reports | Year: 2017

Purpose of Review: The present review focuses in the hypertension-associated changes in the microbiota and the current insights regarding the impact of probiotics on blood pressure in animal models and in human hypertensive patients. Recent Findings: Gut dysbiosis in hypertension is characterized by (i) the gut microbioma that is less diverse and less rich with an increased Firmicutes/Bacteroidetes ratio and (ii) a decrease in acetate- and butyrate-producing bacteria and an increase in lactate-producing bacterial populations. The meta-analysis of the human studies supports that supplementation with probiotics reduces blood pressure. The mechanism of this antihypertensive effect of probiotics and its protective effect on endothelial function has not been fully elucidated. Summary: Further investigations are needed to clarify if the effects of probiotic bacteria result from the changes in the gut microbiota and its metabolic by-products; the restoration of the gut barrier function; and the effects on endotoxemia, inflammation, and renal sympathetic nerve activity. © 2017, Springer Science+Business Media New York.

Conejo-Ceron S.,Institute Investigacion Biomedica Of Malaga Ibima | Moreno-Peral P.,Institute Investigacion Biomedica Of Malaga Ibima | Rodriguez-Morejon A.,Red de Investigacion en Actividades Preventivas y de Promocion de la Salud redIAPP | Rodriguez-Morejon A.,Institute Investigacion Biomedica Of Malaga Ibima | And 17 more authors.
Annals of Family Medicine | Year: 2017

PURPOSE Although evidence exists for the efficacy of psychosocial interventions to prevent the onset of depression, little is known about its prevention in primary care. We aimed to evaluate the effectiveness of psychological and educational interventions to prevent depression in primary care. METHODS We conducted a systematic review and meta-analysis of relevant randomized controlled trials (RCTs) examining the effect of psychological and educational interventions to prevent depression in nondepressed primary care attendees. We searched MEDLINE, PsycINFO, Web of Science, OpenGrey Repository, Cochrane Central Register of Controlled Trials, and other sources up to May 2016. At least 2 reviewers independently evaluated the eligibility criteria, extracted data, and assessed the risk of bias. We calculated standardized mean differences (SMD) using random-effects models. RESULTS We selected 14 studies (7,365 patients) that met the inclusion criteria, 13 of which were valid to perform a meta-analysis. Most of the interventions had a cognitive-behavioral orientation, and in only 4 RCTs were the intervention clinicians primary care staff. The pooled SMD was -0.163 (95%CI, -0.256 to -0.070; P = .001). The risk of bias and the heterogeneity (I2 = 20.6%) were low, and there was no evidence of publication bias. Meta-regression detected no association between SMD and follow-up times or SMD and risk of bias. Subgroup analysis suggested greater effectiveness when the RCTs used care as usual as the comparator compared with those using placebo. CONCLUSIONS Psychological and educational interventions to prevent depression had a modest though statistically significant preventive effect in primary care. Further RCTs using placebo or active comparators are needed. © 2017, Annals of Family Medicine, Inc. All rights reserved.

Romero M.,University of Granada | Vera B.,University of Granada | Galisteo M.,University of Granada | Toral M.,University of Granada | And 7 more authors.
Food and Function | Year: 2017

Quercitrin (quercetin 3-rhamnoside) is a bioflavonoid with anti-inflammatory activity in experimental colitis. Several studies have suggested that vascular injury might be a primary process in Crohn's disease, but there is no information about the function of the mesenteric bed in the experimental models of colitis. The aims of this study were to analyse whether the reactivity to vasoconstrictor agents is altered in the mesenteric vascular bed from animals with colitis induced by administration of trinitrobenzenesulfonic acid (TNBS) in the early stages of this pathology, and to determine the effects of quercitrin on such vascular alterations. Contraction of mesenteric beds produced by vasoconstrictor agents such as noradrenaline and KCl is reduced in rats in the early stages of experimental TNBS-induced colitis. This alteration was partially reverted by non-selective nitric oxide synthase (NOS) inhibition with N-nitro-l-arginine methylester, and enhanced by non-selective cyclooxygenase (COX) inhibition with indomethacin. However, the endothelium-dependent relaxant responses to acetylcholine were not significantly altered. iNOS, COX-2, NOX-1, tumor necrosis factor α (TNFα) and interleukin 1β (IL1β) expressions were higher in the mesenteric arteries from TNBS-treated rats, without changes in both eNOS expression and eNOS-Ser1177 phosphorylation. The in vivo pre-treatment with 5 mg kg-1 of the flavonoid quercitrin reverts both the early hyporesponse of mesenteric arteries to noradrenaline and the up-regulation of iNOS, COX2, NOX1, TNFα and IL1β in colitic rats. In conclusion, quercitrin improves the impaired mesenteric vascular reactivity in the acute phase of this colitis model, at least in part by reducing NO overproduction from iNOS. This journal is © The Royal Society of Chemistry.

Del Rio Lozano M.,Escuela Andaluza de Salud Publica | Del Rio Lozano M.,Institute Investigacion Biosanitaria Of Granada Ibsgranada | Garcia-Calvente M.D.M.,Escuela Andaluza de Salud Publica | Garcia-Calvente M.D.M.,Institute Investigacion Biosanitaria Of Granada Ibsgranada | And 3 more authors.
Quality of Life Research | Year: 2017

Purpose: We analyzed gender differences in health-related quality of life (HRQoL) and associated factors between informal male and female caregivers in Spain. It is important because of growing rates of dependent people and dwindling public resources. Methods: We conducted a cross-sectional study of 610 informal caregivers (265 male and 345 female) using an ad hoc structured questionnaire. We performed a descriptive analysis and used multivariate logistic regression to analyze the risk of poor HRQoL, measured with the EQ-5D-5L, according to caregiver sex, sociodemographic characteristics of caregivers and dependents, caregiving circumstances, and support received. Results: Male caregivers were older than women were, and cared more often for their partners. More women used family caregiving allowance (FCA), respite care services, and counseling services, while more men used paid help, home help, and other forms of instrumental help. Women had worse HRQoL than men, particularly in the pain/discomfort dimension. In addition to older age and poor previous health, caring for a partner (OR = 2.379), for a person with major dependence (OR = 1.917), low social class (OR = 1.634), and low social support (OR = 2.311) were factors associated with poor HRQoL. Receiving FCA was associated with better HRQoL (OR = 0.319). Controlling for all these variables, women had 131% more odds than men to have poor HRQoL. Conclusions: Male and female caregivers in Spain differ in received support and how their HRQoL is affected. These differences are important to design interventions to promote more equitable sharing of care responsibilities and better caregiver health. © 2017 Springer International Publishing AG

Molina-Molina J.-M.,University of Granada | Molina-Molina J.-M.,CIBER ISCIII | Molina-Molina J.-M.,Institute Investigacion Biosanitaria Of Granada Ibsgranada | Real M.,University of Granada | And 10 more authors.
Food and Chemical Toxicology | Year: 2014

Zearalenone (ZEN) is a well-known mycotoxin present in numerous agricultural products. Humans and animals are therefore at a risk of exposure to zearalenone through consumption of contaminated food. After intake, ZEN is reduced to α- and β-zearalenol (α-ZEL and β-ZEL), zearalanone (ZAN), and α- and β-zearalanol (α-ZAL and β-ZAL). Although their estrogenicity has been well characterized, much less is known about their interaction with other nuclear receptors. This study was undertaken to investigate interactions of ZEN and its five metabolites, with the human androgen receptor (hAR) and estrogen receptor alpha (hERα). Their ability to induce hAR-mediated reporter gene expression was examined in androgen-sensitive PALM cells, whereas the effects on hERα function were assessed in MCF-7 cells using the E-Screen bioassay. We confirm that ZEN and its metabolites are full agonists for hERα and demonstrate that all six compounds tested possess hAR-mediated antagonistic activity in PALM cells, in which ZAN, α-ZAL, and β-ZAL were the most effective hAR antagonists. Overall, the observed estrogenic and anti-androgenic potencies of ZEN and its metabolites suggest that these compounds may interfere with the endocrine system by various modes of action and that further investigation is warranted into their role as endocrine disrupters in animals and humans. © 2014 Elsevier Ltd.

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