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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 PLoS+One
2016 ; 11
(10
): e0164564
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Patients with Rheumatoid Arthritis Show Altered Lipoprotein Profiles with
Dysfunctional High-Density Lipoproteins that Can Exacerbate Inflammatory and
Atherogenic Process
#MMPMID27736980
Kim JY
; Lee EY
; Park JK
; Song YW
; Kim JR
; Cho KH
PLoS One
2016[]; 11
(10
): e0164564
PMID27736980
show ga
OBJECTIVE: In order to identify putative biomarkers in lipoprotein, we compared
lipid and lipoprotein properties between rheumatoid arthritis (RA) patients and
control with similar age. METHODS: We analyzed four classes of lipoproteins
(VLDL, LDL, HDL2, HDL3) from both male (n = 8, 69±4 year-old) and female (n = 25,
53±7 year-old) rheumatoid arthritis (RA) patients as well as controls with
similar age (n = 13). RESULTS: Although RA group showed normal levels of total
cholesterol (TC), low-density lipoprotein (LDL)-cholesterol, and glucose,
however, the RA group showed significantly reduced high-density lipoprotein
(HDL)-C level and ratio of HDL-C/TC. The RA group showed significantly elevated
levels of blood triglyceride (TG), uric acid, and cholesteryl ester transfer
protein (CETP) activity. The RA group also showed elevated levels of advanced
glycated end (AGE) products in all lipoproteins and severe aggregation of apoA-I
in HDL. As CETP activity and TG contents were 2-fold increased in HDL from RA
group, paraoxonase activity was reduced upto 20%. Electron microscopy revealed
that RA group showed much less HDL2 particle number than control. LDL from the RA
group was severely oxidized and glycated with greater fragmentation of apo-B,
especially in female group, it was more atherogenic via phagocytosis. CONCLUSION:
Lipoproteins from the RA patients showed severely altered structure with impaired
functionality, which is very similar to that observed in coronary heart patients.
These dysfunctional properties in lipoproteins from the RA patients might be
associated with high incidence of cardiovascular events in RA patients.