Over-expression of IL-6 coding gene in the peripheral blood of migraine with aura patients

2021 ◽  
pp. 1-5
Author(s):  
Mahdi Ramezani ◽  
Alireza Komaki ◽  
Mohammad Mahdi Eftekharian ◽  
Mehrdokht Mazdeh ◽  
Soudeh Ghafouri-Fard
Keyword(s):  
Migraine With Aura ◽  
Peripheral Blood ◽  
Healthy Subjects ◽  
Migraine Without Aura ◽  
P Value ◽  
Healthy Controls ◽  
Over Expression ◽  
Significant Difference ◽  
Male Patients ◽  
Years Lived With Disability

Migraine is a common disorder which is placed among the top ten reasons of years lived with disability. Cytokines are among the molecules that contribute in the pathophysiology of migraine. In the current study, we evaluated expression levels of IL-6 coding gene in the peripheral blood of 120 migraine patients (54 migraine without aura and 66 migraine with aura patients) and 40 healthy subjects. No significant difference was detected in expression of IL-6 between total migraine patients and healthy controls (Posterior beta = 0.253, P value = 0.199). The interaction effect between gender and group was significant (Posterior beta =-1.274, P value = 0.011), therefore, we conducted subgroup analysis within gender group. Such analysis revealed that while expression of this gene is not different between male patients and male controls (Posterior beta =-0.371, P value > 0.999), it was significantly over-expressed in female patients compared with female controls (Posterior beta = 0.86, P= 0.002). Expression of IL-6 was significantly higher in patients with aura compared with controls (Posterior beta = 0.63, adjusted P value = 0.019). However, expression of this cytokine coding gene was not different between patients without aura and healthy subjects (Posterior beta = 0.193, adjusted P value = 0.281). Therefore, IL-6 might be involved in the pathophysiology of migraine among females and migraine with aura among both sexes.

scholarly journals Evaluation of expression of VDR-associated lncRNAs in COVID-19 patients

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Mohammad Taheri ◽  
Lina Moallemi Rad ◽  
Bashdar Mahmud Hussen ◽  
Fwad Nicknafs ◽  
Arezou Sayad ◽  
...  
Keyword(s):  
Healthy Subjects ◽  
Distress Syndrome ◽  
Current Data ◽  
Hospitalized Patients ◽  
P Value ◽  
Healthy Controls ◽  
Expression Levels ◽  
Significant Difference ◽  
Male Patients ◽  
Pcr Method

Abstract Background Coronavirus disease 2019 (COVID-19) has been shown to cause serious health problems among them is the Acute Respiratory Distress syndrome (ARDS). Vitamin D receptor (VDR) signaling possibly partakes in the pathophysiology of this devastating complication. Methods In the current project, we have appraised expression levels of VDR, CYP27B1 and a number of associated lncRNAs in the circulation of COVID-19 patients versus healthy subjects using real-time PCR method. Results Expression of SNHG6 was considerably lower in COVID-19 patients compared with control subjects (Ratio of mean expression (RME) = 0.22, P value = 7.04E-05) and in both female and male COVID-19 patients compared with sex-matched unaffected individuals (RME = 0.32, P value = 0.04 and RME = 0.16, P value = 0.000679683, respectively). However, its expression was similar among ICU-hospitalized and non-ICU patients. Similarly, expression of SNHG16 was lower in in COVID-19 patients compared with controls (RME = 0.20, P value = 5.94E-05) and in both female and male patients compared with sex-matched controls (RME = 0.32, P value = 0.04 and RME = 0.14, P value = 0.000496435, respectively) with no significant difference among ICU-hospitalized and non-ICU hospitalized patients. Expression of VDR was lower in COVID-19 patients compared with controls (RME = 0.42, P value = 0.04) and in male patients compared with male controls (RME = 0.27, P value = 0.02). Yet, expression of VDR was statistically similar between female subgroups and between ICU-hospitalized and non-ICU hospitalized patients. Expression levels CYP27B, Linc00511 and Linc00346 were similar among COVID-19 patients and healthy subjects or between their subgroups. Significant correlations have been detected between expression levels of VDR, CYP27B and SNHG6, SNHG16, Linc00511 and Linc00346 lncRNAs both among COVID-19 patients and among healthy controls with the most significant ones being SNHG6 and SNHG16 (r = 0.74, P value = 3.26e-17 and r = 0.81, P = 1.54e-22, respectively). Conclusion Combination of transcript levels of VDR, CYP27B and SNHG6, SNHG16, Linc00511 and Linc00346 could differentiate patients from controls with AUC = 0.76, sensitivity = 0.62 and specificity = 0.81. The current data potentiate SNHG6, SNHG16 and VDR as possible contributors in COVID-19 infection but not in the severity of ARDS.

scholarly journals Changes in face and face pareidolia processing in patients with migraine: an ERP study

2020 ◽  
Vol 123 (3) ◽  
pp. 876-884 ◽  
Author(s):  
Gülsüm Akdeniz ◽  
Sadiye Gumusyayla ◽  
Gonul Vural ◽  
Hesna Bektas ◽  
Orhan Deniz
Keyword(s):  
Migraine With Aura ◽  
Migraine Without Aura ◽  
Cortical Excitability ◽  
Event Related Potentials ◽  
Event Related Potential ◽  
Healthy Controls ◽  
Positive Potential ◽  
Cortical Hyperexcitability ◽  
Significant Difference ◽  
Related Potentials

Migraine is a multifactorial brain disorder characterized by recurrent disabling headache attacks. One of the possible mechanisms in the pathogenesis of migraine may be a decrease in inhibitory cortical stimuli in the primary visual cortex attributable to cortical hyperexcitability. The aim of this study was to investigate the neural correlates underlying face and face pareidolia processing in terms of the event-related potential (ERP) components, N170, vertex positive potential (VPP), and N250, in patients with migraine. In total, 40 patients with migraine without aura, 23 patients with migraine and aura, and 30 healthy controls were enrolled. We recorded ERPs during the presentation of face and face pareidolia images. N170, VPP, and N250 mean amplitudes and latencies were examined. N170 was significantly greater in patients with migraine with aura than in healthy controls. VPP amplitude was significantly greater in patients with migraine without aura than in healthy controls. The face stimuli evoked significantly earlier VPP responses to faces (168.7 ms, SE = 1.46) than pareidolias (173.4 ms, SE = 1.41) in patients with migraine with aura. We did not find a significant difference between N250 amplitude for face and face pareidolia processing. A significant difference was observed between the groups for pareidolia in terms of N170 [F(2,86) = 14,75, P < 0.001] and VPP [F(2,86) = 16.43, P < 0.001] amplitudes. Early ERPs are a valuable tool to study the neural processing of face processing in patients with migraine to demonstrate visual cortical hyperexcitability. NEW & NOTEWORTHY Event-related potentials (ERPs) are important for understanding face and face pareidolia processing in patients with migraine. N170, vertex positive potential (VPP), and N250 ERPs were investigated. N170 was revealed as a potential component of cortical excitability for face and face pareidolia processing in patients with migraine.

Effects of Culture Supernatants of Leukocytes from Periodontal Patients on Monocyte-Mediated Hydroxyapatite Resorption

1988 ◽  
Vol 2 (2) ◽  
pp. 368-371
Author(s):  
Y. Marumoto ◽  
I. Sato ◽  
K. Ikeda
Keyword(s):  
Periodontal Disease ◽  
Peripheral Blood ◽  
Healthy Subjects ◽  
Mononuclear Cells ◽  
Healthy Controls ◽  
Peripheral Blood Leukocytes ◽  
Blood Leukocytes ◽  
Significant Difference ◽  
Culture Supernatants

In this study, the effects of culture supernatants on various activities of the monocyte, as a bone-resorbing cell, were compared between peripheral blood leukocyte (PBL) cultures from patients with periodontal disease and those from subjects with a clinically healthy periodontium. We have reported that normal human monocytes in vitro induce the release of calcium from synthetic hydroxyapatite particles and that the activity is enhanced by supernatants from cultures of stimulated or non-stimulated peripheral blood leukocytes. Monocytes from both patients and healthy subjects induced the release of calcium from hydroxyapatite particles (HA) to an equal degree. This activity of monocytes from healthy subjects showed a statistically significant increase by addition of supernatants from stimulated or unstimulated cultures of peripheral blood leukocytes from periodontitis patients. This increase was greater than that seen with supernatants from cells of healthy controls. The Nitro Blue Tetrazolium reduction activity and [3H]-thymidine incorporation of monocytes were also increased by addition of the supernatants from leukocyte cultures from either patients or healthy controls, but no significant difference was noted in the increase. These results suggest that the HA-resorbing activity of monocytes was enhanced by factors from cultured leukocytes. Furthermore, these studies showed that production of these factors by peripheral mononuclear cells from patients with periodontal disease was greater than that seen with cells from normal subjects.

Increased Cerebrovascular pCO2 Reactivity in Migraine with Aura- a Transcranial Doppler Study During Hyperventilation

Cephalalgia ◽  
1995 ◽  
Vol 15 (3) ◽  
pp. 211-215 ◽  
Author(s):  
LL Thomsen ◽  
HK Iversen ◽  
J Olesen
Keyword(s):  
Blood Flow ◽  
Migraine With Aura ◽  
Transcranial Doppler ◽  
Healthy Subjects ◽  
Migraine Without Aura ◽  
Cerebrovascular Reactivity ◽  
Reactivity Index ◽  
Healthy Controls ◽  
Doppler Study ◽  
Range Test

Cerebrovascular reactivity during hypocapnia was tested in 20 migraineurs (8 with aura, 12 without aura) and 30 sexand age-matched healthy subjects, and during nitroglycerin-induced headache in 12 healthy subjects. Before and during hyperventilation, mean blood-flow velocity (Vmean) in the middle cerebral artery was measured with transcranial Doppler. In each subject a pCO2 reactivity index (RI) was calculated as DVmean/baseline Vmean)/ DpCO2. Interictally, patients with migraine with aura showed higher RI ( p < 0.05 ANOVA and multiple range test) than controls, whereas migraineurs without aura did not differ from healthy subjects. Ictal and interictal RIs were similar in 9 patients suffering from migraine without aura. No side-to-side differences were detected in RI. During nitroglycerin-induced headache, the RIs were no different from those recorded during migraine attacks and in non-nitroglycerin-provoked healthy controls (p < 0.05, ANOVA and multiple range test). The exaggerated response in migraine with aura might predispose for the characteristic changes in rCBF seen during attacks.

scholarly journals Evaluation of the phagocytic activity of peripheral blood monocytes of patients with Jorge Lobo's disease

2004 ◽  
Vol 37 (2) ◽  
pp. 165-168 ◽  
Author(s):  
Fátima Regina Vilani-Moreno ◽  
Luciana Moreira Silva ◽  
Diltor Vladimir Araújo Opromolla
Keyword(s):  
Incubation Time ◽  
Peripheral Blood ◽  
Phagocytic Activity ◽  
Healthy Subjects ◽  
Mononuclear Cells ◽  
Blood Monocytes ◽  
Peripheral Blood Monocytes ◽  
Significant Difference ◽  
Host Parasite ◽  
And Control

Studies on host-parasite interaction in Jorge Lobo's disease are scarce, with no report in the literature on the phagocytosis of Lacazia loboi by phagocytic mononuclear cells. Thus, the objective of the present study was to assess the phagocytic activity of blood monocytes in the presence of L. loboi in patients with the disease and in healthy subjects (controls) over 3 and 24 hours of incubation. Statistical analyses of the results showed no significant difference in percent phagocytosis of the fungus between patient and control monocytes. With respect to incubation time, however, there was a significant difference, in that percent phagocytosis was higher at 3 hours than at 24 hours (p <0.01). These results suggest that monocytes from patients with the mycosis are able to phagocyte the fungus, as also observed in control individuals.

Low Level of Serum Sclerostin in Adult Patients with Tumor-induced Osteomalacia Comparing with X-linked Hypophosphatemia

2021 ◽  
Author(s):  
Xiaolin Ni ◽  
Qi Zhang ◽  
Xiang Li ◽  
Qianqian Pang ◽  
Yiyi Gong ◽  
...  
Keyword(s):  
Bone Mass ◽  
Cross Sectional Study ◽  
Healthy Controls ◽  
Cross Sectional ◽  
Significant Difference ◽  
Healthy Control ◽  
Premenopausal Patients ◽  
Male Patients ◽  
Sclerostin Level ◽  
Sclerostin Antibody

Abstract Context Sclerostin is an inhibitor of Wnt-β-catenin signaling to regulate bone formation. Circulating sclerostin levels were reported to be elevated in patients with X-linked hypophosphatemia (XLH), and sclerostin antibody (Scl-Ab) has been shown to increase bone mass and normalize circulating phosphate levels in Hyp mice. However, circulating sclerostin level in acquired hypophosphatemic patients with tumor-induced osteomalacia (TIO) remains rare reported. Objectives This study was designed to evaluate serum sclerostin levels in TIO patients comparing them with age-, sex- matched healthy controls and XLH patients, and analyze correlation of circulating sclerostin with BMD and laboratory parameters. Design, Setting and Participants 190 individuals including 83 adult TIO patients, 83 adult healthy controls and 24 adult XLH patients were enrolled in this cross-sectional study. Main outcome measures Serum sclerostin levels were determined in TIO patients, healthy controls and XLH patients. Results TIO patients (43 male and 40 female) aged 44.3 ± 8.7 (mean ± SD) years had lower levels of circulating sclerostin than healthy controls (94.2 ± 45.8 vs 108.4 ± 42.3 pg/mL, p = 0.01) with adjustment for age, gender, BMI and diabetes rate. Sclerostin levels were positively associated with age (r = 0.238, p = 0.030). Male patients had higher sclerostin level than female patients (104.7 ± 47.3 vs 83.0 ± 41.8 pg/mL, p = 0.014) and postmenopausal patients had higher tendency of sclerostin level than premenopausal patients (98.4 ± 48.8 vs 71.6 ± 32.3 ng/ml, p = 0.05). Sclerostin levels were positively associated with BMD of L1-4 (r = 0.255, p = 0.028), femoral neck (r = 0.242, p = 0.039) and serum calcium (r = 0.231, p = 0.043). TIO subgroup patients (n=24, 35.9 ± 7.3 years old) comparing with age-, sex-matched adult XLH patients and healthy controls revealed significant difference of sclerostin levels (XLH, TIO and healthy control were 132.0 ± 68.8, 68.4 ± 31.3 and 98.6 ± 41.1 pg/mL, respectively, p &lt; 0.001). Conclusions Circulating sclerostin levels were decreased in TIO patients but increased in XLH patients, which might be result of histological abnormality and bone mass.

MO477SERUM C-REACTIVE PROTEIN AND PROCALCITONIN LEVELS IN HEMODIALYSIS AND INTRADIALYTIC ALTERATIONS

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
Makrouhi Sonikian ◽  
Aggeliki Barbatsi ◽  
Eugenia Karakou ◽  
Theodoros Chiras ◽  
Jacob Skarakis ◽  
...  
Keyword(s):  
Healthy Subjects ◽  
Control Group ◽  
Healthy Controls ◽  
C Reactive Protein ◽  
Polysulfone Membrane ◽  
Reactive Protein ◽  
Markers Of Inflammation ◽  
Dialysate Flow Rate ◽  
Significant Difference ◽  
Serum Crp

Abstract Introduction C-reactive protein (CRP) and procalcitonin (PCT) are widely used as markers of inflammation and infection in general population and in chronic hemodialysis (HD) as well. However, in dialysis (D) patients, serum CRP and PCT levels may be elevated even in the absence of inflammatory or infectious disease and diagnostic process is a challenge in such cases. We studied HD patients' laboratory profile concerning CRP and PCT. Subjects and Methods We studied 25 stable HD patients, M/F=22/3, aged 68(44-89) years, dialyzed thrice weekly for 55(6-274) months with a dialysate flow rate of 700 ml/min, with a residual daily diuresis less than 200 ml, Kt/V values of 1,44±0,3 and no signs of infection. Patients were classified in two groups. Group A included 10 patients on pre-dilution online hemodiafiltration (HDF). Group B consisted of 15 patients on conventional HD with low-flux polysulfone membrane. Twenty healthy subjects formed a control group C. Serum CRP and PCT levels were measured in duplicate in A and B groups before and at the end of mid-week dialysis sessions and also in C group. Results Pre-D serum CRP values in the total of patients were higher than those in healthy controls (10,89±19,29 vs 2,54±1,28 mg/L-p=0,004). Compared with group C, pre-D CRP values were higher only in B group (15,98±24,54 mg/L-p=0,001) but not in A group (4,09±3,33 mg/L-p=NS). There was a significant difference in pre-D serum CRP values between A and B groups (p=0,028). At the end of D session serum CRP values showed a tendency to increase in both groups A (5,16±4,81 mg/L) and B (17,00±27,00 mg/L) but differences were not significant. Pre-D serum PCT values in the total of patients were higher than those in healthy controls (0,82±0,9 vs 0,29±0,55 ng/ml-p&lt;0,001). Compared with group C, pre-D PCT values were higher in both A group (0,52±0,15 ng/ml-p&lt;0,001) and B group (1,01±1,13 ng/ml-p=0,006). There was no significant difference in pre-D serum PCT values between A and B groups (p=0,261). At the end of D session serum PCT values decreased in A group (0,32±0,11 ng/ml-p&lt;0,001) and increased in B group (1,12±1,21 ng/ml-p=0,014). Conclusions In patients on both conventional low-flux HD and online HDF pre-D serum CRP and PCT levels were higher than those in healthy subjects. Dialysis modality and membrane flux did not affect post-D serum CRP values, but post-PCT values decreased in online HDF. PCT usefulness might be limited in dialysis with high-flux membranes. Cut-off values have to be established for both markers to eliminate confusion in diagnosis of inflammatory and infectious diseases in hemodialyzed patients.

scholarly journals Expression of NF-κB associated lncRNAs in schizophrenia

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Amin Safa ◽  
Elham Badrlou ◽  
Shahram Arsang-Jang ◽  
Arezou Sayad ◽  
Mohammad Taheri ◽  
...  
Keyword(s):  
Signaling Pathway ◽  
Peripheral Blood ◽  
Healthy Subjects ◽  
Roc Curves ◽  
P Value ◽  
Psychiatric Condition ◽  
Non Coding Rnas ◽  
Diagnostic Power ◽  
Regulation Of Growth ◽  
Peripheral Markers

Abstract NF-κB signaling pathway has important roles in the regulation of growth and development of nervous system. This pathway has also been shown to participate in the pathogenesis of schizophrenia. Meanwhile, activity of NF-κB signaling pathway is regulated by several factors including non-coding RNAs (lncRNAs). In the current study, we evaluated expression of nine NF-κB-related lncRNAs namely DILC, ANRIL, PACER, CHAST, ADINR, DICER1-AS1, HNF1A-AS1, H19 and NKILA as well as two mRNA coding genes namely ATG5 and CEBPA in the peripheral blood of patients with schizophrenia compared with matched healthy subjects. Expressions of these genes were assessed by real time PCR technique. Expression of PACER was lower in patients with schizophrenia compared with controls (Posterior beta = − 0.684, P value = 0.049). On the other hand, expressions of CHAST, CEBPA, H19, HNF1A-AS1 and DICER1-AS1 were higher in patients compared with controls (Posterior beta = 0.39, P value = 0.005; Posterior beta = 0.844, P value < 0.0001; Posterior beta = 0.467, P value < 0.0001; Posterior beta = 1.107, P value = 0.005; Posterior beta = 0.176, P value = 0.044, respectively). We also appraised the diagnostic power of transcript quantities of CHAST, CEBPA, DICER1-AS1, H19 and HNF1A-AS1 in distinguishing between patients with schizophrenia and controls through depicting ROC curves. Based on the area under curve (AUC) values, CEBPA had the best diagnostic power (AUC = 0.948, P < 0.0001), followed by H19 (AUC = 0.815, P < 0.0001). Taken together, our study demonstrated dysregulation of NF-κB-related lncRNAs and genes in the peripheral blood of patients with schizophrenia and their potential as peripheral markers for this psychiatric condition.

scholarly journals SMOKING GENOTOXICITY IN PERIPHERAL BLOOD LYMPHOCYTES USING THE COMET ASSAY

2013 ◽  
Vol 03 (03) ◽  
pp. 038-041
Author(s):  
Shobha S. Shetty ◽  
Hrishikesh Nachane
Keyword(s):  
Dna Damage ◽  
Comet Assay ◽  
Peripheral Blood ◽  
Peripheral Blood Lymphocytes ◽  
The Body ◽  
P Value ◽  
Tail Moment ◽  
Blood Lymphocytes ◽  
Significant Difference ◽  
Almost All

Abstract Background: Smoking has been shown to have a positive effect on DNA damage in almost all the cells of the body. Quantitative analysis of this damage will help in assessing the etiopathogenesis of various nicotine induced damage to the body. Comet assay has been an emerging tool in this regard and hence was applied by us to estimate the severity of DNA damage in smokers. Aims & Objectives: To evaluate the DNA genotoxicity in peripheral blood lymphocytes in smokers and their comparison with non smokers & assess the quantitative damage. Materials and methods: 30 smokers & 20 non smokers were recruited & their peripheral blood was taken for the comet assay to look for Olive moment & Tail moment to quantitatively assess the DNA damage due to cigarette smoking. Results: In our study there was no significant difference in the analysis of DNA damage (with regard to tail moment & olive moment) in smokers versus non smokers (P value: more than 0.05). Conclusions: Though smoking is known to cause DNA damage, we did not find significant differences between the two groups probably due to other multifactorial etiologies for genotoxicity.

Differential Expression Of TREM-1 In Myelogenous Leukemia Cells

Blood ◽  
2013 ◽  
Vol 122 (21) ◽  
pp. 4951-4951 ◽  
Author(s):  
Huiyu Li ◽  
Wenying Li ◽  
Xiaoling Yi ◽  
Shiang Huang ◽  
Wei Liu ◽  
...  
Keyword(s):  
Bone Marrow ◽  
Complete Remission ◽  
Patient Group ◽  
Peripheral Blood ◽  
Myelogenous Leukemia ◽  
Leukemia Cells ◽  
Control Group ◽  
Healthy Controls ◽  
Significant Difference ◽  
Patient Groups

Abstract Objectives Triggering receptor expressed on myeloid cells (TREM) -1 is a receptor as a member of the immunoglobulin superfamily expressed on the cell-surface of neutrophils, monocytes and macrophages. This receptor amplifies the inflammatory response, activating the signaling pathway. TREM-1 expression is associated with mature myeloid cell development. TREM-1 is shed from the membrane of activated macrophages without the transmembrane and intracellular domains, and can be found as soluble TREM (sTREM)-1. Soluble TREM-1 is thought to negatively regulate TREM receptor signaling. Some studies currently reported that TREM-1 regulates the malignant behavior of cancer cells in lung cancer and HCC. However, no related studies about the role of TREM-1 in leukemia have been carried out. The aims of this study was investigated the TREM-1 expression in myelogenous leukemia cells. Methods Thirty-five patients with AML, twenty-five patients with CML and a control group of eleven healthy people were subjected to the study. TREM-1 expressions on the surfaces of leukemia cells were measured by flow cytometry. Plasma sTREM-1 levels were measured by ELISA. Results In this study, our results provide the first evidence that TREM-1 was differentially expressed in myelogenous leukemia cells. The TREM-1 mean ratio of median fluorescence intensity (mean ratio of MFI) was 3.13±0.88 and 2.52±0.40 in CML and AML patients, respectively. The TREM-1 mean ratio of MFI was 3.03±1.40 in myelogenous leukemia cell lines (K562, HL60, THP-1). The TREM-1 mean ratio of MFI was 5.37±0.88 in healthy controls. Compared to healthy controls, myelogenous leukemia cells had decreased TREM-1 expressions (P<0.001). The TREM-1 mean ratio of MFI was 4.89±0.60 in patients who are in complete remission after Novartis's Gleevec therapy. Compared with CML patient groups, patients who are in complete remission after Gleevec therapy had rising TREM-1 expressions (P<0.01). TREM-1 expressions of patients who are in complete remission after Gleevec therapy were slightly lower than the healthy controls, but this did not reach significance. No significant difference in TREM-1 expressions was seen between AML and CML patient groups, male and female patient groups, and cells derived from peripheral blood and bone marrow of the same leukemia patients (p>0.1). In addition, the plasma sTREM-1 levels were measured by ELISA. sTREM-1 levels was 48.54±57.63pg/mL for AML group and 43.72±23.93pg/mL for CML group. Results indicated that plasma sTREM-1 levels significantly higher in AML and CML patients than that in healthy controls (P<0.01). However, there was no significant difference in plasma sTREM-1 levels observed in AML patient group compared with CML patient group, male patients group compared with female patients group, and plasma from peripheral blood compared with plasma from bone marrow of the same leukemia patients (p>0.1). An ongoing project focuses on the relationship between the function of TREM-1 and occurrence, progression and prognosis of myelogenous leukemia, advances will be reported in time. Conclusion TREM-1 expression on leukemia cells was significantly lower in patients with AML and CML than those in healthy controls and patients in complete remission had increased TREM-1 expression. Patients with AML and CML had increased plasma soluble TREM-1. The TREM-1 expression on leukemia cells had an inverse correlation with plasma sTREM-1 level in AML and CML patients. Disclosures: No relevant conflicts of interest to declare.

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