scholarly journals Differential gene expression of ABCG2, SLC22A12, IL-1β and ALPK1 in peripheral blood leukocytes of primary gout patients, was associated to hiperuricemia and their comorbidities. A case control study

Author(s):  
Natsuko Paniagua-Díaz ◽  
Laura Sanchez-Chapul ◽  
Denise Refugio Clavijo-Cornejo ◽  
Lucio Ventura-Ríos ◽  
Carlos Aguilar-Salinas ◽  
...  

Abstract Background. Genes ABCG2, SLC22A12, and ALPK1 have been strongly associated with dysfunction of urate metabolism in patients with gout, but it is unknown how these transporters are expressed in patients with acute or chronic gout. Our objective was to analyze the gene expression of urate transporters and inflammation genes in peripherial blood from gout patients and controls, to determinate if the metabolic profile of gout patients can influence at the gene expression profile. Our objective was to analyze the expression of urate transporters ABCG2, SLC22A12 and inflammation molecules ALPK1 and IL-1β in peripheral blood leukocytes from gout patients and to compare them with their metabolic profile and with the gene expression of people without gout and without hyperuricemia.Methods. A total of 36 chronic and acute patients and 52 controls were recruited, ABCG2, SLC22A12, IL-1β and ALPK1 gene expression was evaluated by quantitative real-time PCR. Correlations of gene expression with clinical and laboratory parameters of patients were also analyzed.Results. IL-1β was significantly increased in PBMCs of patients when compared with their PMNLs (p<0.05). A significant increase in ABCG2 and IL-1β were found in PMNLs from patients compared to controls (p<0.05). Correlations of gene expression in patients were related to levels of serum uric acid (sUA), serum creatinine, CRP, triglycerides, BMI, kidney disease, hypertension, and metabolic syndrome.Conclusions. Our data suggest that the leukocyte cells of the patients respond to the presence hyperuricemia and comorbidities expressing ABCG2 and IL-1β genes differentially compared to normouricemic and non disease state. Hyperuricemia, dyslipidemias and obesity should stimulate the differential gene expression of peripheral blood leukocytes (neutrophils and monocytes) even in an asymptomatic state.

2014 ◽  
Vol 74 (9) ◽  
pp. 2476-2486 ◽  
Author(s):  
Beatriz Sanchez-Espiridion ◽  
Meng Chen ◽  
Joe Y. Chang ◽  
Charles Lu ◽  
David W. Chang ◽  
...  

2005 ◽  
Vol 52 (3,4) ◽  
pp. 137-144 ◽  
Author(s):  
Kazuhito Rokutan ◽  
Kyoko Morita ◽  
Kiyoshi Masuda ◽  
Kumiko Tominaga ◽  
Michiyo Shikishima ◽  
...  

2018 ◽  
Vol 90 (3) ◽  
pp. 21-24
Author(s):  
I E Malysheva ◽  
O V Balan ◽  
E L Tikhonovich ◽  
T O Volkova

Aim. To study the expression level of the genes DROSHA and DICER in peripheral blood leukocytes (PBL) of patients with sarcoidosis of the lungs Materials and methods. The study included 32 patients diagnosed with persistent lung sarcoidosis (mean age 41.56±1.27 years) and 36 healthy donors (control; mean age 42.79±1.95 years). The level of expression of messenger RNA (mRNA) of the genes DROSHA and DICER were determined in PBL of healthy donors and patients with sarcoidosis of the lung by polymerase chain reaction in real time. Results. As a result of the conducted researches it is established that the level of drosha gene expression in PBL patients with sarcoidosis of lungs is significantly reduced in comparison with the control (p


2020 ◽  
Vol 22 (4) ◽  
pp. 665-674
Author(s):  
L. V. Gankovskaya ◽  
L. V. Stakhovskaya ◽  
V. V. Grechenko ◽  
E. A. Koltsova ◽  
O. S. Uvarova ◽  
...  

Pathogenesis of ischemic stroke  is actively  involved  in the  system  of innate immunity. Under conditions of cerebral  ischemia, a number of biologically  active  substances are  released  that  interact with innate immunity receptors, in particular TLR2  and  TLR4, which  exacerbate inflammation in brain  tissue. Identification of predictor markers  at the level of the innate immunity system may foresee the clinical course of ischemic stroke and ensure timely treatment. Our objective was to study expression of TLR2 and TLR4 receptors in peripheral blood leukocytes  in patients with ischemic stroke in the dynamics of the disease. 27 people  were included in the study. The main  group consisted of patients with ischemic stroke of varying severity (n = 19). Patients of the main  group were divided into two subgroups:  with an NIHSS index value of < 10 (n = 10) and > 10 (n = 9). The control group included healthy  donors  with no history  of acute  and chronic inflammatory diseases (n = 8). Peripheral blood  leukocytes  were used as the  test material. To determine expression  of the TLR2  and TLR4  genes, RT-PCR in real time was used. Surface  expression  of TLRs was determined by flow cytometry. A study of the TLR2 and TLR4 gene expression showed that on the 1st, 3rd  and 7th  day post-stroke, the TLR4 gene expression  in patients was significantly  increased, when compared to the control group (p < 0.01), whereas TLR2 gene expression on the 3rd  day of the disease was not statistically different from the control group. A study of surface expression  of receptors showed that the average TLR2 fluorescence intensity on the patients’ peripheral blood monocytes was significantly  increased on the 1st  and 3rd  day of disease when compared to the control group.  The  surface  expression  of TLR4  on monocytes has a statistically significant  increase  only on day 7. Assessment  of surface expression  of TLRs in subgroups  with different  severity values by NIHSS showed that  patients with a NIHSS index > 10 had a significantly  higher  level of surface of TLR2  expression  over the observation period, while the largest difference in TLR4  expression  in the subgroups  was observed  on the 1st day of the disease (p < 0.05). Patients with ischemic stroke showed an increase  in TLR2 and TLR4 expression at the gene and protein level, compared to healthy  donors. These indices can be considered possible predictors for clinical  prognosis  of ischemic stroke.


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