PubMed Journals Articles About "Treatment Of Non-Tuberculous Mycobacterial Infections With Interferon Gamma" - Page: 20 RSS

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Showing "Treatment Tuberculous Mycobacterial Infections With Interferon Gamma" PubMed Articles 476–500 of 32,000+

Low-frequency alternating current stimulation rhythmically suppresses gamma-band oscillations and impairs perceptual performance.

Low frequency oscillations such as alpha (8-12 Hz) are hypothesized to rhythmically gate sensory processing, reflected by 40-100 Hz gamma band activity, via the mechanism of pulsed inhibition. We applied transcranial alternating current stimulation (TACS) at individual alpha frequency (IAF) and flanking frequencies (IAF-4 Hz, IAF+4 Hz) to the occipital cortex of healthy human volunteers during concurrent magnetoencephalography (MEG), while participants performed a visual detection task inducing strong ga...

Extrapulmonary Nontuberculous Mycobacterial Disease Surveillance - Oregon, 2014-2016.

Nontuberculous mycobacteria (NTM), ubiquitous in soil and water, usually infect immunocompromised persons. However, even healthy persons are susceptible to infection through percutaneous inoculation. Although 77% of NTM diseases manifest as primarily pulmonary illnesses (1), NTM also infect skin, bones, joints, the lymphatic system, and soft tissue. NTM infections can have incubation periods that exceed 5 years (2), often require prolonged treatment, and can lead to sepsis and death. Extrapulmonary NTM outb...

Safety and efficacy of HCV eradication during etanercept treatment for severe psoriasis.

Treatment of severe psoriasis in HCV positive patients is challenging, because several psoriasis medications have a toxic effect on the liver, and interferon alpha, used to treat hepatitis, can induce worsening of psoriatic lesions. TNF-alpha inhibitors seem to be a safe and effective option in HCV positive psoriatic patients, but there are concerns about long-term safety, impact on liver fibrosis progression and risk of immune-mediated liver injury. With regard to HCV treatment, new direct-acting antiviral...

Impact of Trimethoprim-Sulfamethoxazole Urinary Tract Infection Prophylaxis on Non-UTI Infections.

In this secondary analysis of the Randomized Intervention for Children with Vesicoureteral Reflux (RIVUR) cohort, we found that daily prophylaxis with trimethoprim-sulfamethoxazole was not associated with an increased or decreased risk of skin and soft tissue infections, pharyngitis or sino-pulmonary infections in otherwise healthy children aged 2-71 months.

Mycobacterial Lipids Induce Calcium Mobilization and Degranulation of Mast Cells.

Effect of high glucose on cytokine production by human peripheral blood immune cells and type I interferon signaling in monocytes: Implications for the role of hyperglycemia in the diabetes inflammatory process and host defense against infection.

The major metabolic feature of diabetes is hyperglycemia which has been linked to the diabetes inflammatory processes, and diabetes-related vulnerability to infection. In the present study, we assessed how glucose affected PBMCs in type I interferon (IFN) production and subsequent signaling. We found that the moderately elevated glucose promoted, and high glucose suppressed type I IFN production, respectively. Pre-exposure to high glucose rendered monocytes more sensitive to IFN-α stimulation with heighten...

Bacillus Calmette Guérin (BCG) activates lymphocyte to promote autophagy and apoptosis of gastric cancer MGC-803 cell.

Bacillus Calmette Guérin (BCG) has a potential anti-tumor effect on gastric cancer. However, the mechanism is still unclear. In this study, we investigated the effect of BCG on gastric cancer cell line MGC-803 and studied the potential cooperation of BCG and lymphocyte in determining the final fate of cancer cells. After treatment with BCG, the cell viability was significantly inhibited in a dosage-dependent manner. Flow cytometry assay showed the apoptosis rates were significantly increased by BCG. Using ...

Local tumor control and clinical symptoms after Gamma Knife Radiosurgery for residual and recurrent vestibular schwannomas.

The use of Gamma Knife radiosurgery (GKRS) for recurrent or residual Vestibular schwannoma (VS) after microsurgery (MS) has been investigated in several retrospective studies. The purpose of this study was to identify potential risk factors for both neurological deterioration and tumor progression after GKRS for previously operated VS in a prospective setting.

Evaluation of LL-37 antimicrobial peptide derivatives alone and in combination with vancomycin against S. aureus.

Treatment of Staphylococcus aureus infections continues to be a challenge due to antimicrobial resistance. Endogenous antimicrobial peptides may offer a new option for treating S. aureus infections but several factors limit their clinical utility. Herein, we studied the activity of the antimicrobial peptide LL-37 and two truncated derivatives, LL-13 and LL-17 alone and in combination with vancomycin against a range of drug-resistant S. aureus strains including methicillin resistant S. aureus (MRSA) and vanc...

IFIT1 Exerts Opposing Regulatory Effects on the Inflammatory and Interferon Gene Programs in LPS-Activated Human Macrophages.

Activation of the TLR4 signaling pathway by lipopolysaccharide (LPS) leads to induction of both inflammatory and interferon-stimulated genes, but the mechanisms through which these coordinately activated transcriptional programs are balanced to promote an optimal innate immune response remain poorly understood. In a genome-wide small interfering RNA (siRNA) screen of the LPS-induced tumor necrosis factor α (TNF-α) response in macrophages, we identify the interferon-stimulated protein IFIT1 as a negative r...

Mycobacterium abscessus: A Rare Cause of Periprosthetic Knee Joint Infection.

A 61-year-old woman with a periprosthetic knee joint infection caused by Mycobacterium abscessus was successfully treated with surgical débridement, multidrug antimicrobial therapy, and staged reimplantation. To the authors' knowledge, this represents the first report of successfully treating this organism after knee arthroplasty. M. abscessus knee infections are rare, and there are no specific guidelines to inform treatment or successful treatment regimens for periprosthetic knee infections. Medical manag...

HLA-DR Class II expression on myeloid and lymphoid cells in relation to HLA-DRB1 as a genetic risk factor for visceral leishmaniasis.

Genetic variation at HLA-DRB1 is a risk factor for visceral leishmaniasis (VL) caused by Leishmania donovani. The single nucleotide polymorphism rs9271252 upstream of the DRB1 gene provides a perfect tag for protective versus risk HLA-DRB1 4-digit alleles. In addition to the traditional role of the membrane-distal region of HLA class II molecules in antigen presentation and CD4 T cell activation, the membrane-proximal region mediates "non-traditional" multi-functional activation, differentiation, or death s...

NMDA-receptor inhibition and oxidative stress during hippocampal maturation differentially alter parvalbumin expression and gamma-band activity.

Dysfunction of parvalbumin (PV)-expressing interneurons is thought to underlie the alterations of gamma-band oscillations observed in schizophrenia. Although the pathomechanisms of this disease remain unclear, oxidative stress induced by NMDA receptor (NMDAR) hypofunction and decreased glutathione (GSH) synthesizing capacity have been shown to lead to PV-loss and aberrant oscillatory activity. However, the individual contributions of NMDAR-inhibition and GSH-depletion to the developmental alterations observ...

Patient Distress in Women with Recurrent Urinary Tract Infections: How Can Physicians Better Meet Patients Needs?

Recurrent urinary tract infections are a common condition that can impact patients' quality of life. The purpose of this review is to summarize and analyze the literature regarding the distress that these infections can cause to patients and provide guidance to clinicians on how to improve care of these patients.

Combination of interferon-expressing oncolytic adenovirus with chemotherapy and radiation is highly synergistic in hamster model of pancreatic cancer.

Recent clinical trials utilizing Interferon-alpha (IFN) in combination with chemoradiation have demonstrated significant improvements in the survival of patients with pancreatic cancer. However, efficacy was limited by the systemic toxicity of IFN and low intratumoral levels of the cytokine. We sought to address these drawbacks by using an Oncolytic Adenovirus expressing IFN (OAd-hamIFN) in combination with chemotherapy and/or radiation in regimens mimicking the IFN-based therapies used in clinical trials. ...

Tinnitus and neuropathic pain share a common neural substrate in the form of specific brain connectivity and microstate profiles.

Tinnitus and neuropathic pain share similar pathophysiological, clinical, and treatment characteristics. In this EEG study, a group of tinnitus (n = 100) and neuropathic pain (n = 100) patients are compared to each other and to a healthy control group (n = 100). Spectral analysis demonstrates gamma band activity within the primary auditory and somatosensory cortices in patients with tinnitus and neuropathic pain, respectively. A conjunction analysis further demonstrates an overlap of tinnitus an...

Centers for Disease Control and Prevention 2017 Guidelines for Prevention of Surgical Site Infections: Review and Relevant Recommendations.

The associated patient morbidity and resource-intensive nature of managing surgical site infections (SSI) has focused attention toward not only improving treatment protocols but also enhancing preventative measures. The purpose of this review was to summarize the relevant updated CDC guidelines for the prevention of SSI that were released in 2017. The CDC recommends the integration of the guidelines for improvement in quality metrics, reportable outcomes, and patient safety.

Use of Interferon-γ release assay for the diagnosis of female genital tuberculosis in Northwest China.

Female genital tuberculosis (FGTB) is one of the major causes of infertility. However, nonspecific manifestations and the lack of easy access to gold-standard diagnostic test render a diagnostic difficult for FGTB. The objective of this study was to determine T-SPOT.TB (an interferon-γ release assay, IGRA) performance in patients with FGTB.

Antimicrobial approaches in the prevention of Staphylococcus aureus infections: a review.

The prophylactic application of antimicrobials that are active against Staphylococcus aureus can prevent infections. However, implementation in clinical practice is limited. We have reviewed antimicrobial approaches for the prevention of S. aureus infections.

Ascertaining infectious disease burden through primary care clinic attendance among young Aboriginal children living in four remote communities in Western Australia.

Infectious diseases contribute a substantial burden of ill-health in Australia's Aboriginal children. Skin infections have been shown to be common in remote Aboriginal communities, particularly in the Northern Territory, Australia. However, primary care data on skin and other infectious diseases among Aboriginal children living in remote areas of Western Australia are limited. We conducted a retrospective review of clinic presentations of all children aged 0 to 5 years presenting to four clinics located in ...

Rhythm and synchrony in a cortical network model.

We studied mechanisms for cortical gamma-band activity in the cerebral cortex and identified neurobiological factors that affect such activity. This was done by analyzing the behavior of a previously-developed, data-driven, large-scale network model that simulated many visual functions of monkey V1 cortex [Chariker et al 2016]. Gamma activity was an emergent property of the model. The model's gamma activity, like that of the real cortex, was 1) episodic, 2) variable in frequency and phase, and 3) graded in ...

Interleukin-6 Rescues Lymphocyte from Apoptosis and Exhaustion Induced by Chronic Hepatitis C Virus Infection.

Chronic hepatitis C virus (HCV) infection appears to trigger the onset of immune exhaustion and apoptosis to potentially assist viral persistence inside the host, eventually leading to exacerbated conditions of inflammation and hepatocarcinogenesis. Growing evidence suggests that spontaneous apoptosis of peripheral blood mononuclear cells (PBMCs) could be one of the potential immune impairment mechanisms in chronic viral infection. Interleukin-6 (IL-6) is a pleiotropic cytokine that plays an essential role ...

New lipophilic isoniazid derivatives and their 1,3,4-oxadiazole analogues: Synthesis, antimycobacterial activity and investigation of their mechanism of action.

The development of novel drugs is essential for the treatment of tuberculosis and other mycobacterial infections in future. A series of N-alkyl-2-isonicotinoylhydrazine-1-carboxamides was synthesized from isoniazid (INH) and then cyclized to N-alkyl-5-(pyridin-4-yl)-1,3,4-oxadiazole-2-amines. All derivatives were characterised spectroscopically. The compounds were screened for their in vitro antimycobacterial activity against susceptible and multidrug-resistant Mycobacterium tuberculosis (Mtb.) and nontube...

Prevalence of methicillin resistant , multidrug resistant and extended spectrum β-lactamase producing gram negative bacilli causing wound infections at a tertiary care hospital of Nepal.

Treatment and prevention of wound infection continues to be a challenging issue in clinical settings of Nepal especially in the context of globally growing problem of antimicrobial resistance. Study on opportunistic pathogens and sensitivity to commonly prescribed local antimicrobial agents are cardinal to reduce the disease burden of wound infections. The aim of this study was to determine the prevalence and antimicrobial susceptibility pattern of methicillin resistant (MRSA) and extended spectrum β-lact...

Phytotherapy in catheter-associated urinary tract infection : Observational study recording the efficacy and safety of a fixed herbal combination containing Tropaeoli majoris herba and Armoraciae rusticanae radix.

The rate of infections occurring during hospitalization is increasing. Urinary tract infections (UTIs) comprise the majority of cases (40%), many of which are catheter-associated. Antibiotic resistance due to antibiotic misuse and overuse exacerbates this situation. Alternative therapies are consequently becoming more important in daily clinical practice. One of the few approved alternatives for the treatment of UTIs is Angocin®, a herbal medicinal product containing nasturtium and horseradish powder.

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