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https://www.readbyqxmd.com/read/28098755/exopolysaccharides-isolated-from-milk-fermented-with-lactic-acid-bacteria-prevent-ultraviolet-induced-skin-damage-in-hairless-mice
#1
Masashi Morifuji, Masami Kitade, Tomoyuki Fukasawa, Taketo Yamaji, Masamitsu Ichihashi
BACKGROUND: We studied the mechanism by which fermented milk ameliorates UV-B-induced skin damage and determined the active components in milk fermented with lactic acid bacteria by evaluating erythema formation, dryness, epidermal proliferation, DNA damage and cytokine mRNA levels in hairless mice exposed to acute UV-B irradiation. METHODS: Nine week-old hairless mice were given fermented milk (1.3 g/kg BW/day) or exopolysaccharide (EPS) concentrate (70 mg/kg BW/day) orally for ten days...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098169/ifn-%C3%AE-regulates-human-dental-pulp-stem-cells-behavior-via-nf-%C3%AE%C2%BAb-and-mapk-signaling
#2
Xinyao He, Wenkai Jiang, Zhirong Luo, Tiejun Qu, Zhihua Wang, Ningning Liu, Yaqing Zhang, Paul R Cooper, Wenxi He
During caries, dental pulp expresses a range of pro-inflammatory cytokines in response to the infectious challenge. Interferon gamma (IFN-γ) is a dimerized soluble cytokine, which is critical for immune responses. Previous study has demonstrated that IFN-γ at relative high concentration (100 ng/mL) treatment improved the impaired dentinogenic and immunosuppressive regulatory functions of disease-derived dental pulp stem cells (DPSCs). However, little is known about the regulatory effects of IFN-γ at relative low concentration on healthy DPSC behavior (including proliferation, migration, and multiple-potential differentiation)...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28096658/anticancer-and-anti-inflammatory-activities-of-girinimbine-isolated-from-murraya-koenigii
#3
Venoos Iman, Syam Mohan, Siddig Ibrahim Abdelwahab, Hamed Karimian, Noraziah Nordin, Mehran Fadaeinasab, Mohamad Ibrahim Noordin, Suzita Mohd Noor
Therapy that directly targets apoptosis and/or inflammation could be highly effective for the treatment of cancer. Murraya koenigii is an edible herb that has been traditionally used for cancer treatment as well as inflammation. Here, we describe that girinimbine, a carbazole alkaloid isolated from M. koenigii, induced apoptosis and inhibited inflammation in vitro as well as in vivo. Induction of apoptosis in human colon cancer cells (HT-29) by girinimbine revealed decreased cell viability in HT-29, whereas there was no cytotoxic effect on normal colon cells...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28096613/immunotoxic-effect-of-thiamethoxam-in-immunized-mice-with-brucella-abortus-cultural-filtrate-antigen
#4
L H Salema, M J Alwan, Afaf Abdulrahman Yousif
AIM: This study was planned for determination the toxic effect of thiamethoxam (TMX) in immunized mice with Brucella abortus culture filtrate antigen (CFBAgs) (as a vaccine) and its role of TMX on decrease activity of B. abortus antigen on eliciting of humoral and cellular immunity. MATERIALS AND METHODS: To achieve these goals 60 female mice were used, 7-8 weeks age, they were divided equally into three groups (20 in each group) and treated as follows: 1(st) group: Mice were immunized with CFBAgs intraperitoneally in two doses, 2 weeks intervals with (protein concentration 2 mg\ml), 2(nd) group: Mice immunized as in the 1(st) group and was administrated orally with 1/10 lethal dose 50% of TMX (83...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28094290/protein-arginine-methyltransferase-1-prmt1-represses-mhc-ii-transcription-in-macrophages-by-methylating-ciita
#5
Zhiwen Fan, Jianfei Li, Ping Li, Qing Ye, Huihui Xu, Xiaoyan Wu, Yong Xu
Efficient presentation of alien antigens triggers activation of T lymphocytes and robust host defense against invading pathogens. This pathophysiological process relies on the expression of major histocompatibility complex (MHC) molecules in antigen presenting cells such as macrophages. Aberrant MHC II transactivation plays a crucial role in the pathogenesis of atherosclerosis. Class II transactivator (CIITA) mediates MHC II induction by interferon gamma (IFN-γ). CIITA activity can be fine-tuned at the post-translational level, but the mechanisms are not fully appreciated...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28092612/evaluation-of-serum-cytokine-levels-in-recurrent-airway-obstruction
#6
A Niedźwiedź, H Borowicz, K Kubiak, J Nicpoń, P Skrzypczak, Z Jaworski, M Cegielski, J Nicpoń
Recurrent airway obstruction (RAO) represents a serious health problem and is traditionally classified as an allergic disease, where contact with an antigen can induce clinical airway inflammation, bronchial hyper-responsiveness and reversible airway obstruction. Previous studies have demonstrated the presence of the Th2 response in the lungs of human patients with asthma and horses with heaves. These cells are involved in the production of cytokines which regulate the synthesis of immunoglobulins. 40 horses were evaluated: 30 horses with RAO and 10 healthy animals...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28091876/hypermethylation-of-ifn-%C3%AE-in-oral-cancer-tissues
#7
Songbo Tian, Chunyang Jiang, Xiaoqin Liu, Sheng Xu, Zhiyong Zhang, Huizhen Chen, Yinghuai Zhang, Yanping Liu, Dong Ma
OBJECTIVES: The study aimed to evaluate the methylation pattern of the interferon-gamma (IFN-γ) gene in oral cancer tissues compared with normal and benign oral disease tissues. MATERIALS AND METHODS: The oral tissues were gained from the patients of 85 cases of oral squamous cell carcinoma (OSCC), 47 cases of oral dysplastic lesions, and 53 normal biopsies. IFN -γ methylation in oral tissues was verified through methylation-specific polymerase chain reaction (PCR) and DNA sequencing analyses, and the expression levels of IFN-γ messenger RNA (mRNA) and protein were detected using real-time reverse transcription (RT)-PCR and enzyme-linked immunosorbent assays, respectively...
January 13, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28091621/differential-susceptibility-and-maturation-of-thymocyte-subsets-during-salmonella-typhimurium-infection-insights-on-the-roles-of-glucocorticoids-and-interferon-gamma
#8
Shamik Majumdar, Mukta Deobagkar-Lele, Vasista Adiga, Abinaya Raghavan, Nitin Wadhwa, Syed Moiz Ahmed, Supriya Rajendra Rananaware, Subhashish Chakraborty, Omana Joy, Dipankar Nandi
The thymus is known to atrophy during infections; however, a systematic study of changes in thymocyte subpopulations has not been performed. This aspect was investigated, using multi-color flow cytometry, during oral infection of mice with Salmonella Typhimurium (S. Typhimurium). The major highlights are: First, a block in the developmental pathway of CD4(-)CD8(-) double negative (DN) thymocytes is observed. Second, CD4(+)CD8(+) double positive (DP) thymocytes, mainly in the DP1 (CD5(lo)CD3(lo)) and DP2 (CD5(hi)CD3(int)), but not DP3 (CD5(int)CD3(hi)), subsets are reduced...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28088784/a-phase-i-clinical-study-of-autologous-dendritic-cell-therapy-in-patients-with-relapsed-or-refractory-multiple-myeloma
#9
Sung-Hoon Jung, Hyun-Ju Lee, Youn-Kyung Lee, Deok-Hwan Yang, Hyeoung-Joon Kim, Joon Haeng Rhee, Frank Emmrich, Je-Jung Lee
Cellular immunotherapy is emerging as a potential immunotherapeutic modality in multiple myeloma (MM). We have developed potent immunotherapeutic agent (VAX-DC/MM) generated by dendritic cells (DCs) loaded with autologous myeloma cells irradiated with ultraviolet B. In this study, we evaluated the safety and efficacy of VAX-DC/MM in patients with relapsed or refractory MM. This trial enrolled relapsed or refractory MM patients who had received both thalidomide- and bortezomib-based therapies. Patients received the intradermal VAX-DC/MM injection every week for 4 weeks...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088477/selected-scorpion-toxin-exposures-induce-cytokine-release-in-human-peripheral-blood-mononuclear-cells
#10
Gerardo Corzo, Gerardo Pavel Espino-Solis
A cytokine screening on human peripheral blood mononuclear cells (PBMCs) stimulated with selected scorpion toxins (ScTx's) was performed in order to evaluate their effect on human immune cells. The ScTx's chosen for this report were three typical buthid scorpion venom peptides, one with lethal effects on mammals Centruroides suffussus suffusus toxin II (CssII), another, with lethal effects on insects and crustaceans Centruroides noxius toxin 5 (Cn5), and one more without lethal effects Tityus discrepans toxin (Discrepin)...
January 11, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28088207/cytokine-and-neuropeptide-levels-are-associated-with-pain-relief-in-patients-with-chronically-painful-total-knee-arthroplasty-a-pilot-study
#11
Jasvinder A Singh, Siamak Noorbaloochi, Keith L Knutson
BACKGROUND: There are few studies with an assessment of the levels of cytokines or neuropeptides as correlates of pain and pain relief in patients with painful joint diseases. Our objective was to assess whether improvements from baseline to 2-months in serum cytokine, chemokine and substance P levels were associated with clinically meaningful pain relief at 2-months post-injection in patients with painful total knee arthroplasty (TKA). METHODS: Using data from randomized trial of 60 TKAs, we assessed the association of change in cytokine/chemokine/Substance P levels with primary study outcome, clinically important improvement in Western Ontario McMaster Osteoarthritis Index (WOMAC) pain subscale at 2-months post-injection using Student's t-tests and Spearman's correlation coefficient (non-parametric)...
January 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28074660/optimizing-the-management-of-children-with-latent-tuberculosis-infection
#12
E Venturini, C Tersigni, E Chiappini, M de Martino, L Galli
The management of latent tuberculosis (LTBI) in children represents an important issue for paediatricians because of the disease burden, the lack of a gold standard for the diagnosis and the high annual risk of progression to active disease. Areas covered: A review of English language articles on LTBI in children, published between the 1(st) of January 2010 and the 1(st) of July 2016, was conducted using multiple keywords and standardized terminology in PubMed database. This review provides an updated overview of the available tests for LTBI diagnosis in children, management strategies and treatment options...
January 11, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28073774/temporally-distinct-pd-l1-expression-by-tumor-and-host-cells-contributes-to-immune-escape
#13
Takuro Noguchi, Jeffrey P Ward, Matthew M Gubin, Cora D Arthur, Sang Hun Lee, Jasreet Hundal, Mark Selby, Robert F Graziano, Elaine R Mardis, Alan J Korman, Robert D Schreiber
Antibody blockade of Programmed Death-1 (PD-1) or its ligand, PD-L1, has led to unprecedented therapeutic responses in certain tumor-bearing individuals, but PD-L1 expression's prognostic value in stratifying cancer patients for such treatment remains unclear. Reports conflict on the significance of correlations between PD-L1 on tumor cells and positive clinical outcomes to PD-1/PD-L1 blockade. We investigated this issue using genomically-related, clonal subsets from the same methylcholanthrene-induced sarcoma: a highly immunogenic subset that is spontaneously eliminated in vivo by adaptive immunity and a less immunogenic subset that forms tumors in immunocompetent mice, but is sensitive to PD-1/PD-L1 blockade therapy...
January 10, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28072882/impact-of-dietary-protein-concentration-and-quality-on-immune-function-of-cats
#14
Nadine Paßlack, Barbara Kohn, Marcus G Doherr, Jürgen Zentek
Protein levels and quality in cat food can vary significantly and might affect immune function in various ways. In the present study, 3 diets with a low protein quality (LQ) and 3 diets with a high protein quality (HQ) were offered to 10 healthy adult cats for 6 weeks each, using a randomized cross-over design. The LQ and HQ diets differed in the collagen content and had low (36.7% and 36.2%), medium (45.0% and 43.3%) and high (56.1% and 54.9%) protein levels. At the end of each feeding period, blood was collected for phenotyping of leukocyte subsets, lymphocyte proliferation assay and cytokine measurements, phagocytosis assay and differential blood count...
2017: PloS One
https://www.readbyqxmd.com/read/28070206/qft-plus-a-plus-in-variability-evaluation-of-new-generation-igra-in-serial-testing-of-students-with-a-migration-background-in-germany
#15
J Knierer, E N Gallegos Morales, A Schablon, A Nienhaus, J F Kersten
BACKGROUND: Currently available Interferon-gamma release assays (IGRAs) show a considerable variability in serial testing for latent tuberculosis infection (LTBI). This study offers first results for the new generation IGRA QuantiFERON-TB Gold Plus (QFT-Plus) introduced in 2015 in comparison with its predecessor QuantiFERON-TB Gold In-Tube (QFT-GIT) from serial testing of students with a migration background at German universities. METHODS: Forty-one students were selected from a previous study...
2017: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/28067328/predictive-value-of-serum-ifn-%C3%AE-inducible-protein-10-and-ifn-%C3%AE-il-4-ratio-for-liver-fibrosis-progression-in-chb-patients
#16
Yadong Wang, Weiyan Yu, Chuan Shen, Wei Wang, Li Zhang, Fang Liu, Hui Sun, Yajuan Zhao, Honghao Che, Caiyan Zhao
Noninvasive serum markers for assessment of liver fibrosis in chronic hepatitis B (CHB) patients have not been well-studied. The present study was to evaluate the predictive value of serum interferon gamma-inducible protein-10 (IP-10/CXCL10) and the interferon (IFN)-γ/interleukin (IL)-4 ratio for liver fibrosis progression in CHB patients. A total of 180 CHB patients were categorized into four groups: no fibrosis, mild fibrosis, moderate fibrosis, and severe fibrosis. Serum and intrahepatic levels of IP-10, IFN-γ, and IL-4 were examined, from which the IFN-γ/IL-4 ratio was calculated...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28066900/boosting-of-post-exposure-human-t-and-b-cell-recall-responses-in-vivo-by-burkholderia-pseudomallei-related-proteins
#17
Arnone Nithichanon, Louise J Gourlay, Gregory J Bancroft, Manabu Ato, Yoshimasa Takahashi, Ganjana Lertmemongkolchai
Burkholderia pseudomallei is the causative agent of melioidosis, an infectious disease with high incidence and mortality in South East Asia and Northern Australia. To date there is no protective vaccine and antibiotic treatment is prolonged and not always effective. Most people living in endemic areas have been exposed to the bacteria and have developed some immunity, which may have helped prevent disease. Here, we used a humanized mouse model (hu-PBL-SCID), reconstituted with human peripheral blood mononuclear cells (PBMCs) from seropositive donors, to illustrate the potential of three known antigens (FliC, OmpA and N-PilO2) for boosting both T- and B-cell immune responses...
January 9, 2017: Immunology
https://www.readbyqxmd.com/read/28064069/immunization-with-leishmania-donovani-protein-disulfide-isomerase-dna-construct-induces-th1-and-th17-dependent-immune-response-and-protection-against-experimental-visceral-leishmaniasis-in-balb-c-mice
#18
Ajay Amit, Vijayamahantesh, Manas R Dikhit, Ashish Kumar Singh, Vikash Kumar, Shashi S Suman, Ashu Singh, Akhilesh Kumar, Ajit Kumar Thakur, Vidyanand Ravi Das, Pradeep Das, Sanjiva Bimal
In the present study, the efficacy of Leishmania donovani protein disulfide isomerase (LdPDI) as a DNA vaccine was evaluated in BALB/C mice. Mice immunized with the LdPDI-DNA construct were found to be the most immuno-reactive, as the construct induced higher T-cell proliferation. The increased T-cell proliferation was associated with a substantial rise in Th1 and Th17+ CD4 cell response and triggered a higher proportion of CD8+ T cells for the release of interferon-gamma along with a reduced splenic parasite load on Days20 and 60 post challenge (PC)...
January 5, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28060925/associations-of-self-reported-sleep-quality-with-circulating-interferon-gamma-inducible-protein-10-interleukin-6-and-high-sensitivity-c-reactive-protein-in-healthy-menopausal-women
#19
Wan-Yu Huang, Chih-Cheng Huang, Chia-Chu Chang, Chew-Teng Kor, Ting-Yu Chen, Hung-Ming Wu
INTRODUCTION: Sleep disturbance is very common in menopausal women and poor sleep quality has been linked to systemic inflammation. However, the impact of poor sleep quality on health outcomes of menopausal women remains unclear. This study evaluated the relationships between sleep quality and inflammation in menopausal women. PARTICIPANTS AND DESIGN: This cross-sectional study enrolled 281 healthy women aged 45 to 60 years. The Pittsburgh Sleep Quality Index (PSQI) was used to measure quality of sleep...
2017: PloS One
https://www.readbyqxmd.com/read/28058156/paradoxical-worsening-of-tubercular-serpiginous-like-choroiditis-after-initiation-of-antitubercular-therapy
#20
Ebru Esen, Selçuk Sızmaz, Zeynep Kunt, Nihal Demircan
In this study, a case with tubercular choroiditis showing severe macular edema and progression of choroidal lesions following initiation of antitubercular treatment is presented and the management of posterior uveitis associated with tuberculosis is evaluated. A 40-year-old female patient was admitted with decreased vision in her right eye and her fundoscopic examination revealed serpiginous choroiditis. It was learned from her medical history that she had taken antitubercular therapy 9 years ago. Mantoux tuberculin skin test showed an area of induration measuring 15 mm and a positive interferon-gamma release assay was documented...
August 2016: Turkish Journal of Ophthalmology
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