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Mostrando 1-12 de 98 artigos, teses e dissertações.
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1. Is the effect of melatonin on vascular endothelial growth factor receptor-2 associated with angiogenesis in the rat ovary?
OBJECTIVES Vascular endothelial growth factor (VEGF) and its receptors play important roles in angiogenesis. Melatonin plays an important role in gonadal development; thus, its effect on the reproductive system is evident. We investigated the influence of melatonin on the expression of VEGF, vascular endothelial growth factor receptor-1 (VEGFR1) and vascul
Clinics. Publicado em: 11/03/2019
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2. Ventilation-induced changes correlate to pulmonary vascular response and VEGF, VEGFR-1/2, and eNOS expression in the rat model of postnatal hypoxia
Neonatal asphyxia occurs due to reduction in oxygen supply to vital organs in the newborn. Rapid restoration of oxygen to the lungs after a long period of asphyxia can cause lung injury and decline of respiratory function, which result from the activity of molecules that induce vascular changes in the lung such as nitric oxide (NO) and vascular endothelial g
Braz J Med Biol Res. Publicado em: 08/10/2018
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3. Pioglitazona Induz Apoptose e Inibe Hipertrofia de Cardiomiócitos pela Via de Sinalização do VEGFR-2
Resumo Fundamento: A pioglitazona tem sido amplamente utilizada como droga sensibilizadora da insulina para melhorar o controle glicêmico em pacientes com diabetes mellitus tipo 2. No entanto, o risco cardiovascular bem como os efeitos protetores da pioglitazona ainda são controversos. Objetivos: Neste estudo, investigamos se os efeitos da pioglitazona s
Arq. Bras. Cardiol.. Publicado em: 02/07/2018
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4. Hepatoprotective Role of α-Lipoic acid and Thymoquinone in Acetaminophen- Induced Liver Injury: Down-Regulation of COX-2 and flt-1 Expression
ABSTRACT Acetaminophen (APAP) is a widely-used analgesic, while toxic doses of which induce liver injury. Inducible cyclooxygenase-2 (COX-2) is derived prostaglandins which play an anti-inflammatory role in acetaminophen-induced hepatotoxicity. Selective activation of vascular endothelial growth factor (VEGFR1, flt -1) on endothelial cells increased mRNA lev
Braz. arch. biol. technol.. Publicado em: 17/08/2017
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5. Polimorfismos nos genes VEGF e KDR no desenvolvimento da endometriose: revisão sistemática
Resumo Objetivos: revisar os trabalhos que utilizaram o delineamento caso-controle para verificar a associação de polimorfismos nos genes VEGF e KDR no desenvolvimento da endometriose. Métodos: revisão sistemática que pesquisou nas bases de dados PubMed, MEDLINE, BVS, SciELO os artigos publicados até o dia 1 de setembro de 2015, considerando os descr
Rev. Bras. Saude Mater. Infant.. Publicado em: 2016-09
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6. Quercetin alleviates pulmonary angiogenesis in a rat model of hepatopulmonary syndrome
Quercetin shows protective effects against hepatopulmonary syndrome (HPS), as demonstrated in a rat model. However, whether these effects involve pulmonary vascular angiogenesis in HPS remains unclear. Therefore, this study aimed to assess the effect of quercetin on pulmonary vascular angiogenesis and explore the underlying mechanisms. Male Sprague-Dawley ra
Braz J Med Biol Res. Publicado em: 04/07/2016
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7. Anti-angiogenic effects of ethanolic extract of Artemisia sieberi compared to its active substance, artemisinin
Abstract Angiogenesis plays a key role in tumor growth, invasion and metastasis of cancer diseases and therefore, the inhibition of angiogenesis can provide an important therapeutic approach in cancer diseases. This study was designed to compare the anti-angiogenic activities of the ethanolic extract of Artemisia sieberi Besser, Asteraceae, and its active su
Rev. bras. farmacogn.. Publicado em: 2016-06
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8. Promoting inflammatory lymphangiogenesis by vascular endothelial growth factor-C (VEGF-C) aggravated intestinal inflammation in mice with experimental acute colitis
Angiogenesis and lymphangiogenesis are thought to play a role in the pathogenesis of inflammatory bowel diseases (IBD). However, it is not understood if inflammatory lymphangiogenesis is a pathological consequence or a productive attempt to resolve the inflammation. This study investigated the effect of lymphangiogenesis on intestinal inflammation by overexp
Braz J Med Biol Res. Publicado em: 08/04/2016
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9. Rat visceral yolk sac cells: viability and expression of cell markers during maternal diabetes
The function of the visceral yolk sac (VYS) is critical for embryo organogenesis until final fetal development in rats, and can be affected by conditions such as diabetes. In view of the importance of diabetes during pregnancy for maternal and neonatal health, the objective of this study was to assess fetal weight, VYS cell markers, and viability in female W
Braz J Med Biol Res. Publicado em: 10/07/2015
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10. VEGF receptor expression decreases during lung development in congenital diaphragmatic hernia induced by nitrofen
Changes in vascular endothelial growth factor (VEGF) in pulmonary vessels have been described in congenital diaphragmatic hernia (CDH) and may contribute to the development of pulmonary hypoplasia and hypertension; however, how the expression of VEGF receptors changes during fetal lung development in CDH is not understood. The aim of this study was to compar
Braz J Med Biol Res. Publicado em: 2014-02
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11. Vascular endothelial growth factor-A enhances indoleamine 2,3-dioxygenase expression by dendritic cells and subsequently impacts lymphocyte proliferation
Dendritic cells (DCs) are antigen (Ag)-presenting cells that activate and stimulate effective immune responses by T cells, but can also act as negative regulators of these responses and thus play important roles in immune regulation. Pro-angiogenic vascular endothelial growth factor (VEGF) has been shown to cause defective DC differentiation and maturation.
Mem. Inst. Oswaldo Cruz. Publicado em: 09/10/2013
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12. A expressão imuno-histoquímica das proteínas p53, BCL-2, BAX e VEGFR1 em nefroblastomas
INTRODUÇÃO: O nefroblastoma, ou tumor de Wilms, é a neoplasia renal mais frequente na infância. Embora o prognóstico seja favorável para a maioria dos pacientes, muitos evoluem para recidiva ou óbito. A caracterização de grupos de risco por meio de marcadores imuno-histoquímicos tem por objetivo adequar o tratamento ao grupo de risco e reduzir reci
J. Bras. Patol. Med. Lab.. Publicado em: 2013-02