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1.
Front Cell Infect Microbiol ; 13: 1325261, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38292856

RESUMO

Background: Systemic arterial hypertension is linked to a heightened risk of cardiovascular diseases on a global scale. In Mexico, nearly half of adults in vulnerable conditions experience hypertension. Imbalance in the oral and intestinal microbiota composition has been observed in patients with hypertension, documented by a decrease of bacteria producing short-chain fatty acids, which play a critical role in blood pressure regulation. Aim: To examine the cytokines' profile and assess the characteristics of oral and gut microbiota in obesity-related hypertension in Mexican patients. Methods: A cross-sectional, observational, and analytical study was carried out. Twenty-two patients were categorized by their body mass index (BMI) as overweight and obese, and the diagnosis of primary hypertension. DNA from supragingival dental plaque and feces samples was used to carry out 16S rRNA sequencing. Additionally, 13 cytokines were quantified. Results: In the oral microbiota, Kluyvera was found to be significantly enriched in obese compared to overweight patients. Instead, the gut microbiota was dominated by Firmicutes. However, the correlation between certain genera and proinflammatory cytokines was noted. Conclusion: This exploratory study provides insights into the complex relationship between the oral and gut microbiota and their association with systemic inflammation in obesity-related hypertension.


Assuntos
Microbioma Gastrointestinal , Hipertensão , Adulto , Humanos , Sobrepeso/complicações , Sobrepeso/microbiologia , Citocinas , RNA Ribossômico 16S/genética , Estudos Transversais , Obesidade/complicações , Obesidade/microbiologia , Fezes/microbiologia , Microbioma Gastrointestinal/fisiologia , Hipertensão/complicações
2.
Arch. cardiol. Méx ; 77(1): 58-66, ene.-mar. 2007. tab, graf
Artigo em Espanhol | LILACS | ID: lil-566905

RESUMO

C-reactive protein (CRP) is a nonspecific acute phase protein that has been used as an inflammatory marker for decades. More recently, it has been proposed as a predictor of cardiovascular disease (myocardial infarction, stroke, peripheral artery disease and sudden heart death). Physiologic functions of CRP as an anti-inflammatory scavenger molecule have begun to emerge. CRP binds to damaged lipoproteins and facilitates their removal by phagocytes, partially activating the complement cascade. Increased levels of CRP may result in direct effects on vascular cells, including the induction of cytokines and prothrombotic factors. Although previous studies suggested a potent independent association of CRP levels with cardiac events, the strength of this association has been shown to be weaker than previously reported in a recent large meta-analysis and in prospective studies. Therapy with statins in patients with coronary artery disease has been found to reduce adverse outcomes in association with reductions of CRP levels, independently of their effects on the lipid profile.


Assuntos
Animais , Feminino , Humanos , Masculino , Camundongos , Pessoa de Meia-Idade , Ratos , Proteína C-Reativa , Doenças Cardiovasculares/sangue , Doenças Cardiovasculares , Aterosclerose/sangue , Aterosclerose , Biomarcadores , Sedimentação Sanguínea , Proteína C-Reativa , Proteína C-Reativa/fisiologia , Intervalos de Confiança , Doenças Cardiovasculares , Doenças Cardiovasculares , Doença das Coronárias/sangue , Doença das Coronárias , Modelos Animais de Doenças , Seguimentos , Hipolipemiantes , Hipolipemiantes , Inflamação/sangue , Inflamação , Metanálise como Assunto , Camundongos Knockout , Valor Preditivo dos Testes , Prognóstico , Estudos Prospectivos , Risco , Fatores de Risco , Fatores Sexuais , Fatores de Tempo
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