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https://www.readbyqxmd.com/read/28239520/association-of-vitamin-d-status-and-clinical-and-radiological-outcomes-in-a-treated-ms-population-in-poland
#1
Sławomir Wawrzyniak, Emilia Mikołajewska, Ewelina Kuczko-Piekarska, Anna Niezgodzińska-Maciejek, Aleksander Goch
BACKGROUND: Vitamin D influences the immune system significantly. Previous studies have found that vitamin D deficiency in adolescence can play a significant role in increasing the risk of developing autoimmune diseases including multiple sclerosis. The aim of this study was to investigate the relationship between the vitamin D status in serum and clinical and radiological outcomes in a treated population in Poland. METHODS: Inclusion criteria met 83 adult patients aged 20-61 years with diagnosis of relapsing-remitting multiple sclerosis, who underwent immunomodulatory treatment which lasted at least 12 months...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28239470/fak-inhibition-opens-the-door-to-checkpoint-immunotherapy-in-pancreatic-cancer
#2
EDITORIAL
Stefan N Symeonides, Stephen M Anderton, Alan Serrels
Immunotherapy has had remarkable success in the treatment of some cancer types. However, pancreatic cancer has remained largely refractory to immunotherapy, including immune checkpoint inhibitors. Recently, Jiang and colleagues identified a key role for FAK in regulating the composition of the fibrotic and immuno-suppressive pancreatic tumour niche, and showed that FAK inhibitors can be used in combination with immune checkpoint blockade and gemcitabine chemotherapy to significantly delay pancreatic tumour progression...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28239394/standardization-and-validation-of-dot-elisa-assay-for-paracoccidioides-brasiliensis-antibody-detection
#3
Camila Mika Kamikawa, Rinaldo Poncio Mendes, Adriana Pardini Vicentini
BACKGROUND: Paracoccidioidomycosis (PCM) is a neglected systemic mycosis caused by a dimorphic fungus of the Paracoccidioides genus. The standard diagnosis is based on isolation of the fungi in culture, and by microscopic visualization of characteristic multiple budding yeast cells in biological samples. However, in some situations, access to the site of injury prevents the collection of biological material. A variety of immuno-serological techniques has proven useful for allowing inferring diagnosis with a certain degree of certainty, thus optimizing time...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28237498/cooperative-effects-of-immune-enhancer-tppps-and-different-adjuvants-on-antibody-responses-induced-by-recombinant-alv-j-gp85-subunit-vaccines-in-spf-chickens
#4
Yang Li, Fanfeng Meng, Shuai Cui, Jiayuan Fu, Yixin Wang, Zhizhong Cui, Shuang Chang, Peng Zhao
To explore the antibody responses and protective effects induced by subgroup J avian leukosis virus (ALV-J) gp85 protein vaccine plus different adjuvants (CpG and white oil adjuvant YF01) combined with the immune enhancer Taishan Pinus massoniana pollen polysaccharide (TPPPS), we immunized SPF chickens with the recombinant ALV-J gp85 protein, along with different adjuvants and immune enhancer, which protected the chickens by inducing different levels of protective antibodies. Results showed that a single injection of gp85 recombinant protein could only produce low-titre antibodies that were maintained over a short time in few chickens...
February 22, 2017: Vaccine
https://www.readbyqxmd.com/read/28237480/preventive-and-therapeutic-effect-of-simvastatin-on-secondary-inflammatory-damage-of-rats-with-cerebral-hemorrhage
#5
Hong-Xia Zhou, Ling-Huan Gao, Ling-Li Meng, Yu-Xin Zhang, Zi-Feng Wei, Dao-Wen Si
OBJECTIVE: To investigate the preventive and therapeutic effect and mechanism of simvastatin on secondary inflammatory damage of rats with cerebral hemorrhage. METHODS: Sixty SD rat aged 9-12 weeks were chosen and divided into the control group, model group and simvastatin-treated group randomly with 20 rats in each group. Rats in the model group and simvastatin-treated group were infused with autologous fresh uncoagulated blood to the right brain tissue of the basal ganglia to build the cerebral hemorrhage model, while rats in the control group were treated with the same amount of normal saline...
February 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28237355/-immunotherapy-for-the-treatment-of-patients-with-genitourinary-cancers-review-and-perspectives
#6
REVIEW
Frédéric Bigot, Clément Bonnet, Christophe Massard
Management of genitourinary (GU) cancers is improving rapidly with the development of immunotherapy agents, especially anti-PD-1/anti-PD-L1 therapies. Large studies have shown better outcomes for the treatment of these patients, leading to new drug approvals and recent changes in standards of care in renal, prostate and bladder cancer. We performed a review of recent studies assessing efficacy of immuno-oncology therapies in GU cancers. New results are summarized and next ways of development of clinical research are discussed as the use of such therapies will soon be assessed in first-line or adjuvant settings...
February 22, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28235976/immune-regulation-of-intrahepatic-regulatory-t-cells-in-fibrotic-livers-of-mice
#7
Xiaohui Zhang, Jinli Lou, Li Bai, Yu Chen, Sujun Zheng, Zhongping Duan
BACKGROUND Liver fibrosis is the result of chronic inflammation and repair, and many immune cells contribute to the process. Regulatory T cells (Tregs) mediate immune tolerance and are highly expressed in liver fibrosis. However, few reports have studied the specific effects of Tregs on regulating immune cells in liver fibrosis. The present study aimed to investigate the regulation of Tregs on intrahepatic immune cells in liver fibrosis by depleting Tregs in mice. MATERIAL AND METHODS Liver fibrosis was induced by carbon tetrachloride, and an anti-CD25 mAb (PC61) was used to deplete Tregs...
February 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28231660/-effect-of-telbivudine-on-infants-born-to-hbsag-positive-mothers-with-non-hypo-response-to-hepatitis-b-vaccine-during-their-second-and-third-trimesters-of-pregnancy
#8
X X Xu, B Wang, X F Wang, H X Wen, F Zhang, Z Q Yang, H Y Hao, T Wang, X H Shi, Z D Fu, B Wang, S P Wang
Objective: To explore the effect of telbivudine treatment in a prevention program on infants born to HBsAg-positive mothers with non-/hypo-responsiveness to hepatitis B vaccine. Methods: A retrospective cohort study with a total of 321 HBsAg-positive pregnant women and their infants enrolled, was conducted. The mothers were recruited from the Third People' s Hospital of Taiyuan, from July 2011 to January 2013. According to the situation of telbivudine intake in second and third trimesters of pregnancy, the participants were divided into two groups: with telbivudine-treated or as control...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231050/original-research-paper-pulmonary-prophylactic-impact-of-melatonin-and-or-quercetin-a-novel-therapy-for-inflammatory-hypoxic-stress-in-rats
#9
Nouf M Al-Rasheed, Laila Fadda, Hala A Attia, Iman A Sharaf, Azza M Mohamed, Nawal M Al-Rasheed
The study aims to compare, through histological and biochemical studies, the effects of quercetin, melatonin and their combination in regulation of immuno-inflammatory mediators and heat shock protein expressions in sodium nitrite induced hypoxia in rat lungs. The results revealed that NaNO2 injection caused a significant decrease in Hb in rats, while serum levels of TNF-α, IL-6 and CRP, VEGF and HSP70 were elevated compared to the control group. Administration of melatonin, quercetin or their combination before NaNO2 injection markedly reduced these parameters...
March 1, 2017: Acta Pharmaceutica
https://www.readbyqxmd.com/read/28228841/an-update-on-the-management-of-breast-cancer-in-africa
#10
REVIEW
V Vanderpuye, S Grover, N Hammad, PoojaPrabhakar, H Simonds, F Olopade, D C Stefan
BACKGROUND: There is limited information about the challenges of cancer management and attempts at improving outcomes in Africa. Even though South and North Africa are better resourceds to tackle the burden of breast cancer, similar poor prognostic factors are common to all countries. The five-year overall Survival rate for breast cancer patients does not exceed 60% for any low and middle-income country (LMIC) in Africa. In spite of the gains achieved over the past decade, certain characteristics remain the same such as limited availability of breast conservation therapies, inadequate access to drugs, few oncology specialists and adherence to harmful socio-cultural practices...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28228321/immunization-of-bighorn-sheep-against-mannheimia-haemolytica-with-a-bovine-herpesvirus-1-vectored-vaccine
#11
Sai A Batra, Sudarvili Shanthalingam, Gaetano Donofrio, Gary J Haldorson, Shafiqul Chowdhury, Stephen N White, Subramaniam Srikumaran
Mannheimia haemolytica is an important pathogen of pneumonia in bighorn sheep (BHS), consistently causing 100% mortality under experimental conditions. Leukotoxin is the critical virulence factor of M. haemolytica. In a 'proof of concept' study, a vaccine containing leukotoxin and surface antigens of M. haemolytica induced 100% protection in BHS, but required multiple booster doses. Vaccination of wildlife is difficult. BHS, however, can be vaccinated at the time of transplantation, but administration of booster doses is impossible...
February 19, 2017: Vaccine
https://www.readbyqxmd.com/read/28219195/-expression-and-clinical-significance-of-semaphorin-3a-in-serum-and-mononuclear-cells-in-patients-with-systemic-lupus-erythematosus
#12
H Gao, X X Ma, Q Guo, Y D Zou, Y C Zhong, L F Xie, M Shao, X W Zhang
Objective: To determine the expression of Sema3A in serum and peripheral blood mononuclear cells (PBMC) of patients with systemic lupus erythematosus (SLE), to analysis the correlation of Sema3A expression and SLE clinical manifestations and laboratory indexes, and to evaluate the diagnostic value of Sema3A in patients with SLE. Methods: The concentration of serum Sema3A was detected by enzyme-linked immuno sorbent assay (ELISA) in patients with SLE, healthy controls (HC) and diseases controls. In addition, the mRNA expression level of Sema3A was examined in PBMC by real-time polymerase chain reaction...
February 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28217558/the-scid-mouse-model-for-identifying-virulence-determinants-in-coxiella-burnetii
#13
Erin J van Schaik, Elizabeth D Case, Eric Martinez, Matteo Bonazzi, James E Samuel
Coxiella burnetii is an intracellular, zoonotic pathogen that is the causative agent of Q fever. Infection most frequently occurs after inhalation of contaminated aerosols, which can lead to acute, self-limiting febrile illness or more serve chronic infections such as hepatitis or endocarditis. Macrophages are the principal target cells during infection where C. burnetii resides and replicates within a unique phagolysosome-like compartment, the Coxiella-containing vacuole (CCV). The first virulence determinant described as necessary for infection was full-length lipopolysaccarride (LPS); spontaneous rough mutants (phase II) arise after passage in immuno-incompetent hosts...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28216140/expression-profiles-of-cancer-stem-cell-markers-cd133-cd44-musashi-1-and-epcam-in-the-cardiac-mucosa-barrett-s-esophagus-early-esophageal-adenocarcinoma-advanced-esophageal-adenocarcinoma-sequence
#14
Anna Mokrowiecka, Lothar Veits, Christina Falkeis, Jacek Musial, Radzislaw Kordek, Mariusz Lochowski, Jozef Kozak, Agnieszka Wierzchniewska-Lawska, Michael Vieth, Ewa Malecka-Panas
INTRODUCTION: Barrett's esophagus (BE), which develops as a result of gastroesophageal reflux disease, is a preneoplastic condition for esophageal adenocarcinoma (EAC). A new hypothesis suggests that cancer is a disease of stem cells, however, their expression and pathways in BE - EAC sequence are not fully elucidated yet. AIMS: We used a panel of putative cancer stem cells markers to identify stem cells in consecutive steps of BE-related cancer progression. METHODS: Immunohistochemistry was performed on formalin-fixed, paraffin-embedded blocks from 58 patients with normal cardiac mucosa (n=5), BE (n=14), early EAC (pT1) from mucosal resection (n=17) and advanced EAC (pT1-T4) from postoperative specimens (n=22)...
December 30, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28215147/approaches-to-optimize-gene-therapy-for-the-treatment-of-hematologic-malignancies-overcoming-the-obstacles
#15
Yingzhe Jiang, Bing Xia, Yizhuo Zhang, Wen Xu
Gene transfer and oncolytic viruses provide new therapeutic approaches for the treatment of hematologic malignancies. However, it is still too early to introduce gene delivery or oncolytic viruses into standard clinical protocol. It is very important to discuss the obstacles that gene transfer and oncolytic virotherapy face for the further clinical application for treatment of hematologic malignancies, and updating the advances made to overcome them. The major concerns in this review include the approaches of the development of immuno-stimulatory gene transfer mediated-vaccination for leukemia therapy, RNAi-based therapy for leukemia and enhancement of sensitivity of target malignant cells to virotherapy and alteration of host immune response to favor oncolytic viruses...
February 15, 2017: Current Gene Therapy
https://www.readbyqxmd.com/read/28214208/reduced-immunohistochemical-expression-of-adhesion-molecules-in-vitiligo-skin-biopsies
#16
Adriane Reichert Faria, Juliana Elizabeth Jung, Caio César Silva de Castro, Lucia de Noronha
Because defects in adhesion impairment seem to be involved in the etiopathogenesis of vitiligo, this study aimed to compare the immunohistochemical expression of several adhesion molecules in the epidermis of vitiligo and non lesional vitiligo skin. Sixty-six specimens of lesional and non lesional skin from 33 volunteers with vitiligo were evaluated by immunohistochemistry using anti-beta-catenin, anti-E-cadherin, anti-laminin, anti-beta1 integrin, anti-collagen IV, anti-ICAM-1 and anti-VCAM-1 antibodies. Biopsies of vitiligo skin demonstrated a significant reduction in the expression of laminin and integrin...
December 30, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213970/efficacy-and-safety-of-immuno-magnetically-sorted-smooth-muscle-progenitor-cells-derived-from-human-induced-pluripotent-stem-cells-for-restoring-urethral-sphincter-function
#17
Yanhui Li, Morgaine Green, Yan Wen, Yi Wei, Prachi Wani, Zhe Wang, Renee Reijo Pera, Bertha Chen
Human-induced pluripotent stem cells (hiPSCs)-based cell therapy holds promise for treating stress urinary incontinence (SUI). However, safety concerns, especially tumorgenic potential of residual undifferentiated cells in hiPSC derivatives, are major barriers for its clinical translation. An efficient, fast and clinical-scale strategy for purifying committed cells is also required. Our previous studies demonstrated the regenerative effects of hiPSC-derived smooth muscle progenitor cells (pSMCs) on the injured urethral sphincter in SUI, but the differentiation protocol required fluorescence-activated cell sorting (FACS) which is not practical for autologous clinical applications...
February 18, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28213729/alpha-tocopherol-transfer-protein-%C3%AE-ttp-is-expressed-in-endometrial-carcinoma-and-is-correlated-with-figo-stage-and-5-year-survival
#18
Sabine Heublein, Thomas Vrekoussis, Ronny Etzl, Daisy Rotzoll, Christina Kuhn, Gesine Faigle, Iordanis Navrozoglou, Theodore Stefos, Antonis Makrigiannakis, Udo Jeschke
BACKGROUND: Increased oxidative stress plays an important role in cancer development. Vitamin E is considered a potent anti-oxidant and its transfer protein αTTP facilitates its cellular delivery. We hypothesize that αTTP could be present in and have an impact on endometrial cancer. MATERIALS AND METHODS: Ishikawa endometrial cancer cells were treated with BSO and AAPH to mimick oxidative stress conditions. αTTP was detected by immunocytochemistry and western blot...
February 17, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28213380/complex-formation-with-pentraxin-2-regulates-factor-x-plasma-levels-and-macrophage-interactions
#19
Vincent Muczynski, Gabriel Aymé, Véronique Regnault, Marc Vasse, Delphine Borgel, Paulette Legendre, Amine Bazaa, Amélie Harel, Cécile Loubière, Peter J Lenting, Cécile V Denis, Olivier D Christophe
Recently, we have identified scavenger receptor-AI (SR-AI) as a receptor for coagulation factor X (FX), mediating the formation of a FX-reservoir at the macrophage-surface (Muczynski, Blood 2016 127:778). Here, we demonstrate that the FX/SR-AI-complex comprises a third protein, pentraxin-2. The presence of pentraxin-2 is essential to prevent internalization of FX by SR-AI, while the presence of FX is needed to interfere with internalization of pentraxin-2. Binding studies showed that FX, SR-AI and pentraxin-2 independently bind to each other (Kd,app: 0...
February 17, 2017: Blood
https://www.readbyqxmd.com/read/28213241/elime-assay-vs-real-time-pcr-and-conventional-culture-method-for-an-effective-detection-of-salmonella-in-fresh-leafy-green-vegetables
#20
L Fabiani, E Pucci, E Delibato, G Volpe, S Piermarini, D De Medici, F Capuano, G Palleschi
The detection of Salmonella according to EC regulation is still primarily based on traditional microbiological culture methods that may take several days to be completed. The purpose of this work is to demonstrate the applicability of an Enzyme-Linked-Immuno-Magnetic-Electrochemical (ELIME) assay, recently developed by our research group for the detection of salmonella in irrigation water, in fresh (raw and ready-to-eat) leafy green vegetables by comparison with Real-Time PCR (RTi-PCR) and ISO culture methods...
May 1, 2017: Talanta
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