由于减肥压力而导致的功能受损与过度食用林奈斯
Linaloe Manzano-Pech1, María Elena Soto2, Vicente Castrejón-Tellez3
1Department of Physiology and Pharmacology UNAM, Facultad de Medicina y Veterinaria y Zootecnia, Av. Universidad 3000, Coyoacán 04510, Mexico.
过度食用西红 (HSL) 可能会导致减少压力 (RS),因为它会过载抗氧化剂系统. 这项研究发现,大鼠的高HSL摄入导致RS,矛盾地减少了反应性氧物种 (ROS).
科学领域:
- 生物化学
- 生理学
- 药理学
背景情况:
- 减少性压力 (RS) 源于抗氧化系统的失衡,可能是由过度摄入抗氧化剂引起的.
- 这种植物含有丰富的抗氧化剂,
- 了解高抗氧化剂消耗对氧化平衡的影响对于健康至关重要.
研究的目的:
- 研究过度食用Hibiscus sabdariffa (HSL) 对Wistar大鼠减轻压力的影响.
- 评估HSL对血管抵抗 (RVR) 和抗氧化酶活性的影响.
- 为了确定高HSL摄入量是否导致反应性氧物种 (ROS) 的减少.
主要方法:
- 21只Wistar大鼠被分为三个组:HSL输液 (6%),HSL接着是水,和对照组 (仅用水).
- 通过对上腺素,乙胆,超氧化物,过氧化和过氧的反应来评估血管耐药性 (RVR).
- 测量了抗氧化酶和氧化应激标志物的活性,包括GSH/GSSG比率和酸盐/酸盐.
主要成果:
- 通过各种药物调节RVR,由上腺素和过氧化增加,由乙胆,超氧化和过氧化减少.
- 关键的抗氧化标志物,包括降低的谷氨/氧化谷氨 (GSH/GSSG) 比率,总抗氧化能力和几个酶活性,在HSL消费组中升高.
- 相反,与对照组相比,在食用HSL的老鼠中,醇组和S转移酶活性下降.
结论:
- 过度摄入6%的Hibiscus sabdariffa (HSL) 输液中的抗氧化剂会在老鼠中诱导减少压力 (RS).
- 尽管抗氧化系统过载,RS的这种状态导致反应性氧物种 (ROS) 的矛盾性减少.
- 这些发现突显了抗氧化剂过度消耗的潜在风险,导致新陈代谢失衡和血管反应改变.
更多相关视频
10:21Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test
Published on: September 22, 2023
06:38Early Detection of Drug-Induced Renal Hemodynamic Dysfunction Using Sonographic Technology in Rats
Published on: March 11, 2016
相关概念视频
Renal Failure: Dose Adjustments
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
Factors Affecting Renal Clearance: Renal Impairment
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
Heart Failure Drugs: Diuretics
Hemodialysis II: Procedure and Complications
Dialysis
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Renal Tubule and Collecting Duct
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
