61/minutes, p = 0 118) No significant difference was found betwe

61/minutes, p = 0.118). No significant difference was found between the two study groups in the biochemical outcomes measured. The intervention effect of CUF2 was smaller than the placebo effect.\n\nConclusions: This study provides no evidence to support the use of the herbal formula of CUF2 in children with asthma. Parents are thus advised to

discuss with health professionals before choosing an herbal formula in preference to conventional treatment modes.”
“We previously identified the NS5A/HSP70 binding site to be a hairpin moiety at C-terminus of NS5A domain I and showed a corresponding cyclized polyarginine-tagged synthetic peptide (HCV4) significantly blocks BAY 63-2521 molecular weight virus production. Here, sequence comparison confirmed five residues to be conserved.

Based on NS5A domain I crystal structure, Phe171, Val173, and Tyr178 were predicted to form the binding interface. Substitution of Phe171 and Val173 with more hydrophobic unusual amino acids improved peptide antiviral activity and HSP70 binding, while similar substitutions at Tyr178 had a negative effect. Substitution of non-conserved residues with arginines maintained antiviral activity and HSP70 binding and dispensed with polyarginine Barasertib tag for cellular entry. Peptide cyclization improved antivital activity and HSP70 binding. The cyclic retro-inverso analog displayed the best antiviral properties. FTIR spectroscopy confirmed a secondary structure consisting of an N-terminal beta-sheet followed by a turn and a C-terminal beta-sheet. These peptides constitute a new class of anti-HCV compounds. (C) 2014 Elsevier Inc. All rights reserved.”
“Sympathoexcitation, increased circulating norepinephrine, and elevated levels of reactive oxygen species are driving forces underlying numerous cardiovascular diseases, including hypertension. However, the effects of elevated norepinephrine and subsequent reactive oxygen species production in splenic T-lymphocytes during hypertension are not currently understood.

We hypothesized that increased systemic levels of norepinephrine inhibits the activation of splenic T-lymphocytes via redox signaling. To address this hypothesis, we examined the status of T-lymphocyte activation in spleens of a mouse model of learn more sympathoexcitation-driven hypertension (ie, norepinephrine infusion). Splenic T-lymphocytes from norepinephrine-infused mice demonstrated decreased proliferation accompanied by a reduction in interferon gamma and tumor necrosis factor-a production as compared with T-lymphocytes from saline-infused mice. Additionally, norepinephrine directly inhibited splenic T-lymphocyte proliferation and cytokine production ex vivo in a dose-dependent manner. Furthermore, norepinephrine caused an increase in G1 arrest in norepinephrine-treated T-lymphocytes, and this was accompanied by a decrease in pro-growth cyclin D3, E1, and E2 mRNA expression.

For EMG signal acquisition, as expected, we were able to identify

For EMG signal acquisition, as expected, we were able to identify EMG signal free of MRI noise contamination during the inter-scan interval

between any given scan and its subsequent scan. We tested movement of the involved limb. We determined that when undesired muscle activation was present in the uninvolved, supposed quiescent limb, there was an over-estimation IPI-145 mw of the number of active voxels ranging from 10 to 11, depending upon the ROI Published by Elsevier B.V.”
“Objective: To evaluate whether ethnicity is associated with involuntary childlessness and perceived reasons for difficulties in becoming pregnant.\n\nDesign: Cross-sectional analysis of baseline data from a longitudinal cohort.\n\nSetting: Multiethnic, community-based

observational study of US women.\n\nPatient(s): Women in midlife (3,149), aged 42-52 years.\n\nIntervention(s): None.\n\nMain Outcome Measure(s): Involuntary childlessness and perceived etiology of infertility.\n\nResult(s): One hundred thirty-three subjects (4.2%) were involuntarily childless, defined by a reported history of infertility and nulliparity. Ethnicity was significantly associated with self-reported involuntary childlessness. selleck kinase inhibitor After controlling for economic and other risk factors, African American (odds ratio [OR] 0.30; 95% confidence interval [CI] 0.15-0.59) and Chinese women (OR 0.36; 95% CI 0.14-0.90) were less likely to suffer from involuntary childlessness compared with non-Hispanic white women. In addition, 302 subjects reported a

perceived etiology of infertility. An unexpectedly large proportion of these women (24.5%, 74 of 302) reported etiologies not known to cause infertility (i.e., tipped uterus, ligaments for tubes were stretched), with African American women having been most likely to report these etiologies (OR 2.81; 95% CI 1.26-6.28) as the reason for not becoming pregnant.\n\nConclusion(s): Ethnicity is significantly associated with involuntary childlessness and perceived etiology MCC950 clinical trial of infertility. Misattribution of causes of infertility is common and merits further consideration with respect to language or cultural barriers, as well as possible physician misattribution. (Fertil Steril (R) 2011; 96: 1200-5. (C) 2011 by American Society for Reproductive Medicine.)”
“Objectives: To investigate (1) maternal cognitions regarding infant’s sleep and feeding and maternal depression among mothers of children with behavioral insomnia, feeding disturbances and healthy controls, and (2) the association between maternal cognitions about sleep and those about feeding.\n\nMethods: Children 6-36 months of age with either behavioral insomnia or feeding disorders were recruited. Children 6-36 months of age who attended the well-baby clinics were recruited and served as controls.

Fractionation of the crude extract (CE) into polyphenol-rich (PPR

Fractionation of the crude extract (CE) into polyphenol-rich (PPR), anthocyanin-rich (ANC), and proanthocyanidin-rich (PAC) fractions and an ethyl acetate fraction (EA) revealed that PPR, ANC, and PAC components most effectively suppressed mRNA biomarkers of acute inflammation (Cox-2, iNOS, and IL-1 beta). Among major polyphenols found in the wild blueberries, malvidin-3-glucoside was significantly more effective than epicatechin or chlorogenic acid in reducing the expression of pro-inflammatory genes in vitro.”
“The relationship between folate and colorectal

cancer (CRC) risk is unclear. We investigated the association of two biomarkers of folate status, plasma folate and red blood cell (RBC) folate, with CRC risk using a nested case-control design in the Women’s Health Initiative Observational Study. Postmenopausal women (n = 93,676) aged 50-79 years were enrolled in the Women’s Health Initiative Observational AZD9291 mouse Study (1993-1998). A fasting blood draw and extensive health, dietary and lifestyle data were collected upon enrollment. Through 2008, 988 incident CRC cases were reported and confirmed with medical records adjudication. Cases and controls were matched on age (+/- 3 years), check details enrollment date (+/- 1 year), race/ethnicity, blood draw date (+/- 6 months) and hysterectomy status. Plasma and RBC

folate were determined by radio assay. Folate biomarker values were divided into quartiles, and conditional logistic regression estimated odds ratios (ORs) and 95% confidence intervals (CI) for the associations of folate with total CRC, by tumor site and by stage at diagnosis. Additional analyses examined whether risks varied across time periods corresponding to the United States folic acid fortification policy: prefortification (1994-1995), perifortification (1996-1997) and postfortification (1998). ORs for overall CRC risk comparing Q4 vs. Q1 were 0.91 (95% CI 0.67-1.24) and 0.91 (95% CI 0.67-1.23) for RBC

and plasma folate, respectively. There were no changes in risk attributable to food supply fortification. These results do not support an overall association of folate with CRC risk G418 inhibitor and suggest that folic acid fortification of the US food supply did not alter the associations in these postmenopausal women.”
“Tourette Syndrome (TS) is diagnosed based upon clinical criteria including motor and vocal tics. We hypothesized that differences in exon expression and splicing might be useful for pathophysiology and diagnosis. To demonstrate exon expression and alternatively spliced gene differences in blood of individuals with TS compared to healthy controls (HC), RNA was isolated from the blood of 26 un-medicated TS subjects and 23 HC. Each sample was run on Affymetrix Human Exon 1.0 ST (HuExon) arrays and on 3′ biased U133 Plus 2.0 (HuU133) arrays. To investigate the differentially expressed exons and transcripts, analyses of co-variance (ANCOVA) were performed, controlling for age, gender, and batch.

Results: Being more physically active was negatively related to t

Results: Being more physically active was negatively related to the mean,

axial, and radial diffusivity in numerous regions of the white matter, indicative of higher white matter integrity. Napabucasin chemical structure Conclusions: These data indicate an association between physical activity and the integrity of the cerebral white matter’s microstructure. Prospective studies are required to investigate a possible causal association between physical activity and cognitive decline.”
“Natural killer (NK) cells recognize deranged cells that display stress receptors or loss of major histocompatibility complex (MHC) class I. During development, NM cells become “licensed” only after they encounter cognate human leukocyte antigen (HLA) class I, leading to the acquisition of effector function. NM cells can be exploited for selleck compound cancer therapy in several ways. These include targeting with monoclonal antibodies alone or combined with ex vivo and in vivo NK cell activation to facilitate adoptive immunotherapy using donor-derived

NK cell products to induce graft-vs-tumor effects. In the adoptive transfer setting, persistence and in vivo expansion requires lymphodepleting chemotherapy to prevent rejection and provide homeostatic cytokines (such as IL-15) that activate NK cells. IL-15 has the advantage of avoiding regulatory T-cell expansion. Clinical applications are currently being tested. To enhance in vivo expansion, IL-2 has been used at low doses. However, low dose administration also leads to the stimulation of regulatory T cells. Monoclonal antibodies and bispecific killer engagers (BiKEs) may enhance specificity by targeting CD16 on NK cells to tumor antigens. Inhibition of CD16 shedding may also promote enhanced cytotoxicity. Future strategies include exploiting favorable donor immunogenetics or ex vivo expansion of NK cells from blood, progenitors, or pluripotent cells. Comparative clinical trials are needed to test these approaches. (C) 2014 Elsevier Ltd. All rights reserved.”
“We report on the shape resonance spectra of phenol-water clusters, as obtained from

elastic electron scattering calculations. CX-6258 Our results, along with virtual orbital analysis, indicate that the well-known indirect mechanism for hydrogen elimination in the gas phase is significantly impacted on by microsolvation, due to the competition between vibronic couplings on the solute and solvent molecules. This fact suggests how relevant the solvation effects could be for the electron-driven damage of biomolecules and the biomass delignification [E. M. de Oliveira et al., Phys. Rev. A 86, 020701(R) (2012)]. We also discuss microsolvation signatures in the differential cross sections that could help to identify the solvated complexes and access the composition of gaseous admixtures of these species. (C) 2014 AIP Publishing LLC.

Mental ill-health symptom scores were related to duration of expo

Mental ill-health symptom scores were related to duration of exposure to phenoxy compounds (but not to other pesticides) and to mental ill-health in medical records:Those with mental ill-health in hospital discharge records were more likely to have been exposed

to phenoxy compounds for 35 years.\n\nConclusions The relationship of long-term exposure to phenoxy herbicides and neuropsychiatric symptoms was unexpected but not explained by measured confounders.”
“Existing methods to assess inter-joint coordination in human walking have several important weaknesses. These methods are unable to define 1) the instantaneous changes in coordination within the stride cycle, 2) coordination between multiple joints, or 3) the coupling strength of joint rotations rather than their phase relationships. The present paper introduces a new method called generalized wavelet coherence analysis (GWCA) that solves these three fundamental limitations BVD-523 concentration of previous methods. GWCA combines wavelet coherence analysis with a matrix correlation check details method to define instantaneous correlation coefficients

as the coupling strength for an arbitrary number of joint rotations. The main purpose of the present study is to develop GWCA to quantify inter-joint coordination and thereby assess age-related differences in the coordination of human gaits. Nine young and 19 healthy older persons walked 5 min on a treadmill at three different gait speeds. Joint rotations of the lower extremities were assessed by a Vicon three-dimensional motion capture system. The main results indicated that the older group had significant weaker correlations (t-tests: P smaller than 0.0001) in the preswing phase compared with the younger group for all gait speeds. The age-related differences in inter-joint coordination PD-1 assay were more pronounced than the age-related differences in rotations of the individual joints. The intra-stride changes in inter-joint coordination were in agreement with recent findings of intra-stride

modulations in neural activity in the sensorimotor cortex. Thus change in the inter-joint coordination assessed by GWCA might be an early indicator of functional decline.”
“Epigenetic silencing of genes by aberrant DNA methylation is recognized as a crucial component of the mechanism underlying tumorigenesis. However, the relationship between DNA methylation and the past lifestyle in cancer patients remains largely unknown. We examined the methylation statuses of 6 tumor-related genes, CDX2 (homeobox transcription factor), BMP-2 (bone morphogenetic protein 2), p16 (INK4A), CACNA2D3 (calcium channel-related), GATA-5 (transcription factor) and ER (estrogen receptor), in 106 primary gastric carcinomas by methylation-specific PCR and compared them with the past lifestyles of the patients. The methylation frequencies of the genes were 23.6, 21.7, 9.4, 32.4, 40.8 and 59.1%, respectively.

Conclusions: The degree of satisfaction of patients receiving HPN

Conclusions: The degree of satisfaction of patients receiving HPN and their caregivers with the care given by doctors, pharmacists and nurses is appropriate, but it s possible to make improvements to optimize the quality of the whole process.”
“The toxic diatom Pseudo-nitzschia seriata was exposed directly and indirectly (separated by a membrane) to copepods,

Calanus hyperboreus and C. finmarchicus, to evaluate the effects of the copepods on domoic acid production and chain formation in P. seriata. The toxicity of P. seriata increased in the presence of the BMS-754807 copepods. This response was chemically mediated without physical contact between the organisms suggesting that it was induced by potential waterborne cues from the copepods or changes in water chemistry. Domoic acid production may be related to defense against grazing in P. seriata

although it was not shown in the present study. To evaluate if the induction of domoic acid production was mediated by the chemical cues from damaged P. seriata cells, live P. seriata cells were exposed to a P. seriata cell homogenate, but no effect was observed. Chain formation in P. seriata was affected only when in direct contact with the copepods. This study suggests that the presence of zooplankton may be one of the factors affecting the toxicity of Pseudo-nitzschia blooms in the field. (C) 2014 Elsevier B.V. All rights reserved.”
“The present work was aimed to investigate EMD 121974 the phylogenetic analysis of different species of Indian termites belonging to the family termitidae based on mitochondrial genes COI and COII. The sequences so obtained from public database revealed grouping of termites according to their ecological distribution. The sequences of the species under investigation were characterized on the basis of frequencies of nucleotide this website bases and in most of the species, a significantly high percentage of A+T

base composition was observed. Phylogenetic tree revealed positioning of species according to the analysis of their cytochrome oxidase subunits.”
“A cobalt chlorin complex (Co-II(Ch)) efficiently and selectively catalyzed two-electron reduction of dioxygen (O-2) by one-electron reductants (ferrocene derivatives) to produce hydrogen peroxide (H2O2) in the presence of perchloric acid (HClO4) in benzonitrile (PhCN) at 298 K. The catalytic reactivity of Co-II(Ch) was much higher than that of a cobalt porphyrin complex (Co-II(OEP), OEP2- = octaethylporphyrin dianion), which is a typical potphyrinoid complex The two-electron reduction of O-2 by 1,1′-dibromoferrocene (Br(2)Fc) was catalyzed by Co-II(Ch), whereas virtually no reduction of O-2 occurred with Co-II(OEP). In addition, Co-II(Ch) is more stable than Co-II(OEP), where the catalytic turnover number (TON) of the two-electron reduction of O-2 catalyzed by Co-II(Ch) exceeded 30000.

AAs were homogeneously distributed across the SC and broadly

\n\nAAs were homogeneously distributed across the SC and broadly divided into three groups (high,

medium, low) in terms of total amount present. As expected, extraction to the cathode for the essentially neutral analytes involved was more efficient. Initial samples obtained during the first hour of iontophoresis primarily extracted AAs from the SC. The fluxes observed in the latter half of the 6-h experiment, on the other hand, correlated well with the corresponding subdermal concentrations.\n\nA relatively short extraction period (similar to 1 h) by reverse iontophoresis can be used to evaluate the content of AAs in the SC. Once this ‘reservoir’ has been depleted, reverse iontophoresis can then selleck kinase inhibitor monitor the subdermal concentrations of the AAs. The latter appears most useful for compounds which are present at lower levels in the SC.”
“Aims and background. Most recurrent gastric tumors are unsuitable for further resection or palliative surgery.

The aim of the present study was to evaluate the role of re-resection in patients with local-regional recurrences of gastric cancer.\n\nMethods and study design. Between 1998 and 2007, 26 patients underwent laparotomy for local-regional gastric cancer recurrence. Length of time to recurrence, recurrence patterns, operative procedures, morbidity, mortality and survival after re-resection were evaluated.\n\nResults. Re-resection was possible in 13 patients (50%). Among patients with resectable tumors, survival times were markedly see more longer, with 2 patients reaching 60 months of survival and 2 other patients reaching 48 and 28 months, respectively. Among patients with early recurrence, peritoneal carcinomatosis was

more common. After re-resection, morbidity and mortality were seen, each in one patient.\n\nConclusions. Most of the re-resected recurrences were intraluminal. In patients with early recurrences of gastric cancer, peritoneal carcinomatosis was encountered most check details frequently Re-resection was beneficial and long-term survival was achieved after re-resection.”
“Progress in developing animal communication theory is frequently constrained by a poor understanding of sensory systems. For example, while lizards have been the focus of numerous studies in visual signalling, we only have data on the spectral sensitivities of a few species clustered in two major clades (Iguania and Gekkota). Using electroretinography and microspectrophotometry, we studied the visual system of the cordylid lizard Platysaurus broadleyi because it represents an unstudied clade (Scinciformata) with respect to visual systems and because UV signals feature prominently in its social behaviour. The retina possessed four classes of single and one class of double cones. Sensitivity in the ultraviolet region (UV) was approximately three times higher than previously reported for other lizards.

001) Seroprotection was more frequently reached in SpA and CTD t

001). Seroprotection was more frequently reached in SpA and CTD than in RA and VAS (80 and 82% and 57

and 47%, respectively). There was a significantly negative impact by MTX (P < 0.001), rituximab Selleckchem VE-821 (P = 0.0031) and abatacept (P = 0.045). Other DMARDs, glucocorticoids and TNF blockers did not significantly suppress response (P = 0.06, 0.11 and 0.81, respectively). A linear decline in response was noted in patients with increasing age (P < 0.001). Disease reactivation possibly related to vaccination was suspected in 8/149 patients. No prolonged side effects or A/H1N1 infections were noted.\n\nConclusions. The results show that vaccination response is a function of disease type, intensity and character of medication and age. A single injection of adjuvanted influenza vaccine is sufficient to protect a high percentage of patients. Therefore, differential vaccination recommendations might in the future reduce 17-AAG chemical structure costs and increase vaccination acceptance.”
“The aim of this work was to develop a model simultaneously estimating C-11-AZD9272 radioligand kinetics and the relationship between plasma concentration of AZD9272 and receptor occupancy in the human brain. AZD9272 is a new chemical entity pharmacologically

characterised as a noncompetitive antagonist at the metabotropic glutamate receptor subtype 5 (mGluR5). Positron emission tomography (PET) was used to measure the time course of (C-11-AZD9272) in the brain. The study included PET measurements in six healthy volunteers where the radioligand was given as a tracer dose alone as well as post oral treatment with different doses of unlabelled AZD9272. Estimation of radioligand kinetics, including saturation of receptor binding was performed by use

of non-linear mixed effects modelling. Data from the regions with the highest (ventral striatum) and lowest (cerebellum) radioligand concentrations were included in the analysis. It was assumed that the extent of non-displaceable Selleck Prexasertib brain uptake was the same in both regions while the rate of CNS uptake and the receptor density differed.\n\nThe results of the analysis showed that AZD9272 binding at the receptor is saturable with an estimated plasma concentration corresponding to 50% occupancy of approximately 200 nM. The density of the receptor binding sites was estimated to 800 nM and 200 nM in ventral striatum and cerebellum respectively. By simultaneously analysing data from several PET measurements and different brain regions in a non-linear mixed effects framework it was possible to estimate parameters of interest that would otherwise be difficult to quantify. (C) 2012 Elsevier Inc. All rights reserved.”
“While copper (Cu) is considered to be an essential trace element for many organisms, overexposure to this metal can induce a wide spectrum of effects including DNA damage.

In this study, the mutants of recombinant BmK IT (BmK IT (I25E),

In this study, the mutants of recombinant BmK IT (BmK IT (I25E), BmK IT (E15G), BmK IT C-terminal (TKSYCDVQIN) truncated) were achieved by site-directed mutagenesis. Biological activity of BmK IT and its mutants confirmed these residues or peptides played key roles in BmK IT. BmK IT (I25E) could increase the sensitivity of BmK

IT, but BmK IT(E15G) could decrease the sensitivity of BmK IT on Sf9 cells. BmK IT truncated C-terminal hydrophobic CHIR-99021 PI3K/Akt/mTOR inhibitor amino acids could cross the species boundaries and was effective on mammalian C6 cells. To date, several excitatory insect toxins have been isolated and identified from the venom of Buthus martensii Karsch. However, no functional data are available and therefore its classification in the family of excitatory insect toxins remains putative and is just based on its high similarity with the other toxins of this family. These results verified

I25, E15 and C-terminal (TKSYCDVQIN) in BmK IT played key roles in the interaction of the BmK IT and its receptor- sodium channels on the surface selleck screening library of insect cells and laid a foundation for further structural and functional analysis of BmK IT.”
“Butyrate is an important product of anaerobic fermentation; however, it is not directly used by characterized strains of the highly efficient anode respiring bacteria (ARB) Geobacter sulfurreducens in microbial electrochemical cells. By combining a butyrate-oxidizing community with a Geobacter rich culture, we generated a microbial community which outperformed many naturally derived communities found in the literature for current production from butyrate and rivaled the highest performing natural cultures in terms of current density

(similar to 11 A/m(2)) and Coulombic efficiency (similar to 70%). Microbial community analyses support the shift in the microbial community from one lacking efficient ARB in the marine hydrothermal vent community to a community consisting of similar to 80% Geobacter in this website the anode biofilm. This demonstrates the successful production and adaptation of a novel microbial culture for generating electrical current from butyrate with high current density and high Coulombic efficiency, by combining two mixed microbial cultures containing complementing biochemical pathways. (C) 2014 Elsevier Ltd. All rights reserved.”
“DNA methylation is an epigenetic mark that is erased in the early embryo and then reestablished in each individual, through a developmentally regulated program mediated by sequence information and trans-acting factors that direct the de novo DNA methylation and demethylation machinery to its targets in a dynamic manner. Once established, these patterns can be maintained in a stable manner over the lifetime of the organism. Additional changes in methylation that occur during aging and as part of disease processes may also be directed by similar molecular rules using the same complex machinery.

2 [95% CI: 1 3-3 6]; P = 0 002), infectious (OR 1 7 [95% CI: 1 1-

2 [95% CI: 1.3-3.6]; P = 0.002), infectious (OR 1.7 [95% CI: 1.1-2.7]; P = 0.01), cardiovascular (OR 2.4 [95% CI: 1.2-4.8]; P = 0.01), renal (OR 2.3 [95%

CI: 1.5-3.5]; P < 0.00,001), neurological (OR 4.3 [95% CI: 1.3-17.7]; P = 0.005), and pain (OR 1.8 [95% CI: 1.03-3.1]; P = 0.04) morbidities. Further stratification of CKD revealed preoperative eGFR <= 50 mL/min/1.73 m2 to be associated with more frequent morbidity and longer hospital stay, independent of age. Multiple regression analysis identified CKD (P = 0.006) and Proton Pump inhibitor congestive cardiac failure (P = 0.002) as preoperative factors associated with prolonged hospital stay.\n\nCONCLUSIONS: A substantial minority of patients with CKD undergoing elective orthopedic procedures are at increased risk of prolonged morbidity and hospital stay. Preoperative eGFR may enhance perioperative risk stratification beyond traditional risk factors. (Anesth Analg 2011;112:1375-81)”
“Objective. ICG-001 manufacturer MicroRNA have recently been identified as regulators that modulate target gene expression and are involved in shaping the immune response. This study was undertaken to investigate the contribution of microRNA-146a (miR-146a), which was identified in the pilot expression profiling step, to the pathogenesis of systemic lupus erythematosus

(SLE).\n\nMethods. TaqMan microRNA assays of peripheral blood leukocytes were used for comparison of expression levels of microRNA between SLE patients and controls. Transfection and stimulation of cultured cells were conducted to determine the biologic function of miR-146a. Bioinformatics prediction and validation by reporter gene assay and Western blotting ACY-241 cost were performed to identify miR-146a targets.\n\nResults. Profiling of 156 miRNA in SLE patients revealed the differential expression of multiple microRNA, including miR-146a, a

negative regulator of innate immunity. Further analysis showed that underexpression of miR-146a negatively correlated with clinical disease activity and with interferon (IFN) scores in patients with SLE. Of note, overexpression of miR-146a reduced, while inhibition of endogenous miR-146a increased, the induction of type I IFNs in peripheral blood mononuclear cells (PBMCs). Furthermore, miR-146a directly repressed the transactivation downstream of type I IFN. At the molecular level, miR-146a could target IFN regulatory factor 5 and STAT-1. More importantly, introduction of miR-146a into the patients’ PBMCs alleviated the coordinate activation of the type I IFN pathway.\n\nConclusion. The microRNA miR-146a is a negative regulator of the IFN pathway. Underexpression of miR-146a contributes to alterations in the type I IFN pathway in lupus patients by targeting the key signaling proteins. The findings provide potential novel strategies for therapeutic intervention.