scholarly journals Antihypertensive therapy improves insulin resistance and serum levels of interleukin-6 and −10 in spontaneously hypertensive rats with steatohepatitis

2016 ◽  
Vol 14 (6) ◽  
pp. 5385-5394 ◽  
Author(s):  
Masaya Kozono ◽  
Hirofumi Uto ◽  
Rie Ibusuki ◽  
Shiho Arima ◽  
Kohei Oda ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Antihypertensive Therapy ◽  
Interleukin 6 ◽  
Spontaneously Hypertensive Rats ◽  
Serum Levels ◽  
Hypertensive Rats ◽  
Spontaneously Hypertensive

scholarly journals The effects of supraphysiological supplementation of b-carotene in spontaneously hypertensive rats (SHR and SHR-sp)

2014 ◽  
Vol 41 (5) ◽  
pp. 351-355 ◽  
Author(s):  
Stênio Karlos Alvim Fiorelli ◽  
Lúcia Marques Vianna ◽  
Carlos Alberto Basílio de Oliveira ◽  
Rossano Kepler Alvim Fiorelli ◽  
Bernardo Cunha Senra Barros ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Spontaneously Hypertensive Rats ◽  
Carotid Arteries ◽  
Morphological Changes ◽  
Serum Levels ◽  
Muscle Layer ◽  
Male Rats ◽  
Elastic Fibers ◽  
Hypertensive Rats ◽  
Spontaneously Hypertensive

Objective: to investigate the effect of administration of supraphysiological âcaroteno on biological parameters (ectoscopy and blood pressure), laboratory (malondialdehyde) and histological (liver and carotid arteries) of spontaneously hypertensive rats prone to stroke (SHR-sp).Methods: we used 36 male rats were divided into three groups, each containing 12 rats Wistar, SHR and SHR-sp, subdivided into six control animals and six animals treated with supraphysiological doses of âcaroteno for two periods of ten weeks interspersed with one week interruption. In the experiment were assessed daily physical examination and blood pressure (plethysmography). At sacrifice, blood was collected for measurement of serum malondialdehyde, liver and carotid arteries for histological examination.Results: temporary change in color of the fur, decreased significantly (p<0.0001) blood pressure (20mg supplementation âcaroteno) and serum levels of malondialdehyde (p<0.05) and increased amount of elastic fibers in the carotid wall of SHR and SHR-sp.Conclusion: supplementation of supraphysiological âcaroteno caused no toxic effects, showed positive response in the modulation of blood pressure and lower serum malondialdehyde. No significant morphological changes were found in both groups, except an increase in the number of elastic fibers in the muscle layer carotid suggesting elastosis in SHR and SHR-sp.

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