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:: Volume 8, Issue 1 (Int J Mol Cell Med 2019) ::
Int J Mol Cell Med 2019, 8(1): 39-54 Back to browse issues page
Inflammation and Vascular Calcification Causing Effects of Oxidized HDL are Attenuated by Adiponectin in Human Vascular Smooth Muscle Cells
Noor Hanisa Harun1, Gabriele Ruth Anisah Froemming2, Hapizah Md Nawawi1, Suhaila Abd Muid 3
1- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Selangor, Malaysia.
2- Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Kota Samarahan, Sarawak, Malaysia.
3- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Selangor, Malaysia. , suhaila777@gmail.com
Abstract:   (599 Views)
The role of oxidized high-density lipoprotein (oxHDL) and the protective effects of adiponectin in terms of vascular calcification is not well established. This study was conducted to investigate the effects of oxHDL with regards to inflammation and vascular calcification and to determine the protective role of adiponectin in attenuating the detrimental effects of oxHDL. Cell viability, mineralization, and calcification assays were conducted to optimize the concentration of oxHDL. Then, human vascular smooth muscle cells (HAoVSMCs) were incubated with β-glycerophosphate, HDL, oxHDL, adiponectin, or the combination of oxHDL with adiponectin for 24 h.  Protein expression of IL-6, TNF-α, osterix, RUNX2, ALP, type 1 collagen, osteopontin, osteocalcin, WNT-5a, NF-ĸβ(p65), cAMP and STAT-3 were measured by ELISA kits. OxHDL induced vascular calcification by promoting the formation of mineralization nodules and calcium deposits in HAoVSMCs. This was accompanied by an increased secretion of IL-6, osterix, WNT-5a and NF-ĸβ (p65). Interestingly, these detrimental effects of oxHDL were suppressed by adiponectin. Besides, incubation of adiponectin alone on HAoVSMCs showed a reduction of inflammatory cytokines, osteoblastic markers (RUNX2, osterix and osteopontin), WNT-5a and NF-ĸβ (p65). This study exhibits the ability of oxHDL in inducing inflammation and vascular calcification and these detrimental effects of oxHDL can be attenuated by adiponectin.
Keywords: HAoVSMCs, oxidized high-density lipoprotein, osteoblastic transdifferentiation, vascular calcification, adiponectin
Full-Text [PDF 479 kb]   (94 Downloads)    
Type of Study: Original Article | Subject: Cell Biology
Received: 2019/04/5 | Accepted: 2019/07/13 | Published: 2019/12/6
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Harun N H, Froemming G R A, Md Nawawi H, Abd Muid S. Inflammation and Vascular Calcification Causing Effects of Oxidized HDL are Attenuated by Adiponectin in Human Vascular Smooth Muscle Cells. Int J Mol Cell Med. 2019; 8 (1) :39-54
URL: http://ijmcmed.org/article-1-1059-en.html


Volume 8, Issue 1 (Int J Mol Cell Med 2019) Back to browse issues page
International Journal of Molecular and Cellular Medicine (IJMCM) International Journal of Molecular and Cellular Medicine (IJMCM)
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