Kaddam Lamis, Fadl-Elmula Imad, Eisawi Omer Ali, Abdelrazig Haydar Awad, Saeed Amal M
Department of Physiology, Faculty of Medicine, Neelain University, Khartoum, Sudan.
Neelain Research Centre, Faculty of Medicine, Neelain University, Khartoum, Sudan.
J Lipids. 2019 Jun 18;2019:3129461. doi: 10.1155/2019/3129461. eCollection 2019.
Sickle cell disease (SCD) is an inherited haemolytic anemia with a variable course and severity. Knowledge of prognostic biomarkers may help in the establishment of therapeutic intervention, management, and follow-up of patients. There have been scattered reports of low high-density lipoprotein cholesterol (HDL-C) and increased triglyceride (TG) in SCD patients. In addition, TG levels have been suggested to be elevated in patients with increased endothelial activation. An increased TG level has been associated with haemolysis, vascular dysfunction, and increased prevalence of pulmonary hypertension. Gum Arabic (GA) is an edible, dried, gummy exudate from the acacia Senegal tree. Several studies on GA ingestion have shown reduced plasma cholesterol and low-density lipoprotein (LDL) concentrations in both animals and humans. We investigated GA's therapeutic potential to modulate serum lipids in patients with sickle cell anemia.
This study recruited and documented secondary outcomes in 47 patients (aged 5-42 years) carrying hemoglobin SS. The patients received 30 g/day of GA for 12 weeks. Total cholesterol, TG, LDL, and HDL were measured before and after GA intake. Cobas C311 (Roche, Germany) automated chemistry analyser was used for direct determination of the values of the lipid profile.
GA significantly decreased total cholesterol (TC), TG, and LDL ( = 0.006, 0.04, and 0.02, resp.). GA showed no effect on HDL level. Baseline serum TG and LDL correlated significantly with the hydrogen peroxide (HO) level, which is known as an oxidative stress marker ( = 0.003 and 0.04, resp.). None of the lipid profile elements correlated with age.
Our results revealed that dyslipidemia in sickle cell patients is associated with oxidative stress but not associated with age. The findings showed that GA significantly decreased TC, LDL, and TG levels, revealing a novel effect of GA, which is considered a natural dietary fibre that can modulate lipid profile in patients with sickle cell anemia.
This retrospective trial is registered with ClinicalTrials.gov Identifier: NCT02467257 on 3 June, 2015.
镰状细胞病(SCD)是一种遗传性溶血性贫血,病程和严重程度各异。了解预后生物标志物可能有助于对患者进行治疗干预、管理和随访。已有关于SCD患者高密度脂蛋白胆固醇(HDL-C)水平低和甘油三酯(TG)升高的零散报道。此外,有研究表明,内皮激活增加的患者TG水平会升高。TG水平升高与溶血、血管功能障碍及肺动脉高压患病率增加有关。阿拉伯树胶(GA)是一种可食用的、干燥的、从塞内加尔金合欢树渗出的树胶。多项关于摄入GA的研究表明,GA可降低动物和人类的血浆胆固醇及低密度脂蛋白(LDL)浓度。我们研究了GA对镰状细胞贫血患者血脂的治疗潜力。
本研究招募并记录了47例携带血红蛋白SS的患者(年龄5 - 42岁)的次要结局。患者每天服用30 g GA,持续12周。在摄入GA前后测量总胆固醇、TG、LDL和HDL。使用德国罗氏公司的Cobas C311自动化学分析仪直接测定血脂谱值。
GA显著降低了总胆固醇(TC)、TG和LDL(分别为 = 0.006、0.04和0.02)。GA对HDL水平无影响。基线血清TG和LDL与过氧化氢(HO)水平显著相关,HO是一种氧化应激标志物(分别为 = 0.003和0.04)。血脂谱各指标均与年龄无关。
我们的结果显示,镰状细胞病患者的血脂异常与氧化应激有关,而与年龄无关。研究结果表明,GA显著降低了TC、LDL和TG水平,揭示了GA的一种新作用,GA被认为是一种天然膳食纤维,可调节镰状细胞贫血患者的血脂谱。
本回顾性试验已在ClinicalTrials.gov注册,标识符为:NCT02467257,注册时间为2015年6月3日。