สืบค้นงานวิจัย
Retinol-binding protein 4 and its potential roles in hypercholesterolemia revealed by proteomics
Jugnam-Ang W. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Retinol-binding protein 4 and its potential roles in hypercholesterolemia revealed by proteomics
ผู้แต่ง / หัวหน้าโครงการ (EN): Jugnam-Ang W.
บทคัดย่อ (EN): Effects of hypercholesterolemia on alterations of serum proteins have not been fully elucidated. Herein, using two-dimensional gel electrophoresis (2-DE) in conjunction with LC-MS searching has successfully been carried out to investigate the change of protein expression profiles as consequences of raised blood cholesterol at different levels (normal group: total cholesterol  200 mg/dL; borderline high group: total cholesterol 200-239 mg/dL; and high group: total cholesterol ≥ 240 mg/dL) (n = 45). Results revealed that down-regulation of retinol-binding protein 4 (RBP4) (-2.26 fold), transthyretin (-1.25 fold) and gelsolin (-1.47 fold) was observed in the high group. Meanwhile, the other proteins such as haptoglobin, complement factor B and CD5 antigen-like protein were upregulated upto +3.24, +1.96 and +2.04 fold, respectively. Confirmation by Western blotting revealed a significant reduction of RBP4 (approximately 50%) in individual samples derived from the high group. Presumptive conclusion can be drawn that down-regulation of RBP4 might be attributable to the inflammation of adipocytes caused by the release of proinflammatory cytokines (e.g. tumor necrosis factor α and interleukin-1β) from adipose tissues. Moreover, the decrease of transthyretin might also be taken into accounts since it is known that the transthyretin usually forms complex with RBP4 to prevent glomerular filtration and excretion through the kidney. The suppressing effect on RBP4 should be potentiated by the increase of complement factor B and CD5 antigen-like protein, which rendered the adipose tissues to overwhelm the liberation of RBP4 to blood circulation by metabolic and inflammatory processes. Such inflammation could further modulate the induction of cytokine release (e.g. IL-6 and IL-1β), resulting in the synthesis of acute phase protein, in particular, haptoglobin and Creactive proteins from hepatocytes. However, the mechanism of gelsolin reduction remains unclear. Among these differentially expressed proteins, the RBP4 has been proposed as a major linkage between hypercholesterolemia, adipose tissues, liver and kidney, which is believed to be a potential biomarker for metabolic and cardiovascular disorders associated with dyslipidemia in the future. © 2015, Leibniz Research Centre for Working Environment and Human Factors. All rights reserved.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84940742968&doi=10.17179%2fexcli2015-478&partnerID=40&md5=32c1e27d58460e175113385209c15ba1
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Western blotting
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Jugnam-Ang W.. "Retinol-binding protein 4 and its potential roles in hypercholesterolemia revealed by proteomics". ไม่ระบุหน่วยงาน. ม.ป.ป.

Jugnam-Ang W.. "Retinol-binding protein 4 and its potential roles in hypercholesterolemia revealed by proteomics". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Retinol-binding protein 4 and its potential roles in hypercholesterolemia revealed by proteomics
Jugnam-Ang W.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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