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https://www.readbyqxmd.com/read/28749614/dissecting-the-dynamics-of-trans-generational-immune-priming
#1
Joachim Kurtz, Sophie A O Armitage
The transfer of immunity from mother to offspring is a central way to endow the offspring with increased protection against pathogens. This phenomenon is not only found within the vertebrate domain: in some circumstances, invertebrate mothers can also give their offspring an immune kick-start, which is termed trans-generational immune priming (TGIP). TGIP has been uncovered for a number of invertebrate species, but it is not ubiquitously evident. The reasons for which are not known. In this issue of Molecular Ecology, Tate, Andolfatto, Demuth, and Graham () probe the molecular underpinnings of TGIP in concert with the temporal dynamics of the response in the red flour beetle, Tribolium castaneum, infected with the bacterium Bacillus thuringiensis (Figure )...
August 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28749599/heat-induced-inflammation-and-its-role-in-esophageal-cancer
#2
REVIEW
Mohaddese Maghsudlu, Ehsan Farashahi Yazd
Esophageal cancer as the sixth common cause of cancer death in the world consists of different histological types with various incidence patterns. Among them, esophageal adenocarcinoma and esophageal squamous cell carcinoma are the most prevalent types which also have different causality, cell of origin and risk factors. Since epidemiological studies have announced consumption of hot substances as one of the major risk factors for squamous cell carcinoma, evaluating the effect of this external stress on esophagus cells seems desirable...
July 27, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28749573/il-6-stat3-signaling-as-a-promising-target-to-improve-the-efficacy-of-cancer-immunotherapy
#3
REVIEW
Hidemitsu Kitamura, Yosuke Ohno, Yujiro Toyoshima, Junya Ohtake, Shigenori Homma, Hideki Kawamura, Norihiko Takahashi, Akinobu Taketomi
Overcoming the immunosuppressive state in tumor microenvironments is a critical issue to improve the efficacy of cancer immunotherapy. Interleukin (IL)-6, a pleiotropic cytokine, is highly produced in the tumor-bearing host. Previous studies have indicated that IL-6 suppresses the antigen presentation ability of dendritic cells (DCs) through activation of signal transducer and activator of transcription 3 (STAT3). Thus, we focused on the precise effect of the IL-6/STAT3 signaling cascade on human DCs and the subsequent induction of antitumor T cell immune responses...
July 27, 2017: Cancer Science
https://www.readbyqxmd.com/read/28749570/hepatocyte-derived-exosomes-promote-t-follicular-regulatory-cell-expansion-during-hcv-infection
#4
Dustin A Cobb, Lucy Golden-Mason, Hugo R Rosen, Young S Hahn
Hepatitis C virus (HCV) is a global health concern that can cause severe liver disease such as cirrhosis and hepatocellular carcinoma. Control of HCV requires vigorous T cell responses, yet CD4(+) T cells in chronic HCV patients are dysfunctional. T follicular regulatory (Tfr) cells are a subset of regulatory T cells that suppress T follicular helper (Tfh) cells and the generation of high affinity antibody-producing B cells. In this study, we examined the accumulation of Tfr cells in the liver compartment during chronic HCV infection and defined the cellular and molecular mechanisms underlying their expansion...
July 27, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28749559/recombinant-cccdna-of-hepatitis-b-virus-induces-long-term-viral-persistence-with-chronic-hepatitis-in-a-mouse-model
#5
Gaiyun Li, Yuanfei Zhu, Dianhui Shao, Hao Chang, Xiaoming Zhang, Dongming Zhou, Yueqiu Gao, Ke Lan, Qiang Deng
Covalently closed circular (ccc) DNA of hepatitis B virus (HBV) is critical for viral persistence in vivo. We recently reported a technique involving recombinant (r) cccDNA of HBV by site-specific DNA recombination. Using hydrodynamic injection, rcccDNA induces a temporarily prolonged HBV anigenemia in immunocompetent mice, similar to acute resolving HBV infection. In this study, we simulated the pathophysiological impact of chronic hepatitis by which to reproduce (r)cccDNA persistence in mouse models. We showed that rcccDNA achieved long-lasting persistence in the presence of a compromised immune response or when transcriptional activity was repressed...
July 27, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28749465/acid-sphingomyelinase-mediates-human-cd4-t-cell-signaling-potential-roles-in-t-cell-responses-and-diseases
#6
REVIEW
Aiping Bai, Yuan Guo
Acid sphingomyelinase (ASM) is a lipid hydrolase. By generating ceramide, ASM had been reported to have an important role in regulating immune cell functions inclusive of macrophages, NK cells, and CD8(+) T cells, whereas the role of ASM bioactivity in regulation of human CD4(+) T-cell functions remained uncertain. Recent studies have provided novel findings in this field. Upon stimulation of CD3 and/or CD28, ASM-dependent ceramide signaling mediates intracellular downstream signal cascades of CD3 and CD28, and regulates CD4(+) T-cell activation and proliferation...
July 27, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28749460/asthma-and-allergy-vitamin-d-primes-neonatal-immune-system
#7
Yvonne Bordon
No abstract text is available yet for this article.
July 27, 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28749459/innate-immunity-alarmins-rewire-innate-immunity-in-newborns
#8
Yvonne Bordon
No abstract text is available yet for this article.
July 27, 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28749434/unsolved-puzzles-surrounding-hcv-immunity-heterologous-immunity-adds-another-dimension
#9
REVIEW
Babita Agrawal, Shakti Singh, Nancy Gupta, Wen Li, Satish Vedi, Rakesh Kumar
Chronic infection with hepatitis C virus (HCV) afflicts 3% of the world's population and can lead to serious and late-stage liver diseases. Developing a vaccine for HCV is challenging because the correlates of protection are uncertain and traditional vaccine approaches do not work. Studies of natural immunity to HCV in humans have resulted in many enigmas. Human beings are not immunologically naïve because they are continually exposed to various environmental microbes and antigens, creating large populations of memory T cells...
July 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28749414/adjuvantation-of-pulmonary-administered-influenza-vaccine-with-gpi-0100-primarily-stimulates-antibody-production-and-memory-b-cell-proliferation
#10
Harshad P Patil, José Herrera Rodriguez, Jacqueline de Vries-Idema, Tjarko Meijerhof, Henderik W Frijlink, Wouter L J Hinrichs, Anke Huckriede
Adjuvants are key components in vaccines, they help in reducing the required antigen dose but also modulate the phenotype of the induced immune response. We previously showed that GPI-0100, a saponin-derived adjuvant, enhances antigen-specific mucosal and systemic antibody responses to influenza subunit and whole inactivated influenza virus (WIV) vaccine administered via the pulmonary route. However, the impact of the GPI-0100 dose on immune stimulation and the immune mechanisms stimulated by GPI-0100 along with antigen are poorly understood...
July 27, 2017: Vaccines
https://www.readbyqxmd.com/read/28749394/serum-levels-of-soluble-urokinase-plasminogen-activator-receptor-as-a-new-inflammatory-marker-in-adolescent-obesity
#11
Ummugulsum Can, Muammer Buyukinan, Fatma Humeyra Yerlikaya
BACKGROUND & OBJECTIVES: Obesity is known for low-grade inflammatory state with enhanced production of inflammatory mediators in children and adolescents. Soluble urokinase plasminogen activator receptor (suPAR) can be generated as a pro-inflammatory marker. This study was conducted to evaluate the role of suPAR, and its association with leptin, adiponectin, interleukin-6 (IL-6), high-sensitive C-reactive protein (hsCRP) and fibrinogen in adolescent obesity. METHODS: A total of 98 participants, 55 obese individuals and 43 healthy controls, aged between 10 and 17 yr, were included in the study...
March 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28749311/reconstitution-of-the-peripheral-immune-repertoire-following-withdrawal-of-fingolimod
#12
Mahtab Ghadiri, Leslie Fitz-Gerald, Ayman Rezk, Rui Li, Mukanthu Nyirenda, David Haegert, Paul Steven Giacomini, Amit Bar-Or, Jack Antel
BACKGROUND: Following fingolimod cessation, immune reconstitution or lack thereof may have consequences for disease rebound or safety of commencing alternative therapies. OBJECTIVE: To examine the degree and profile of peripheral blood lymphocyte reconstitution following fingolimod withdrawal. METHODS: Total lymphocyte counts (TLC) and CD4+/CD8+ T-cell counts were measured in 18 multiple sclerosis (MS) patients pre-treatment, on fingolimod, and up to 8-9 months post-cessation...
August 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28749310/reconstitution-of-the-peripheral-immune-repertoire-following-withdrawal-of-fingolimod
#13
Clemens Warnke, Jonas Graf, Hans-Peter Hartung
No abstract text is available yet for this article.
August 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28749296/bridging-gaps-between-zoo-and-wildlife-medicine-establishing-reference-intervals-for-free-ranging-african-lions-panthera-leo
#14
Heather M Broughton, Danny Govender, Purvance Shikwambana, Patrick Chappell, Anna Jolles
The International Species Information System has set forth an extensive database of reference intervals for zoologic species, allowing veterinarians and game park officials to distinguish normal health parameters from underlying disease processes in captive wildlife. However, several recent studies comparing reference values from captive and free-ranging animals have found significant variation between populations, necessitating the development of separate reference intervals in free-ranging wildlife to aid in the interpretation of health data...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28749245/advances-in-our-understanding-of-immunization-and-vaccines-for-patients-with-systemic-lupus-erythematosus
#15
Nicola Luigi Bragazzi, Abdulla Watad, Kassem Sharif, Mohammad Adawi, Gali Aljadeff, Howard Amital, Yehuda Shoenfeld
INTRODUCTION: Systemic lupus erythematosus (SLE) is a chronic systemic autoimmune disease. In SLE, immune system dysfunction is postulated to result by virtue of the disease itself as well as by the impact of treatment modalities employed. A myriad of immune dysregulations occur including complement system dysfunction among others. Infectious agents are known to complicate the disease course in close to 25-45 % of SLE patients. METHODS: In this review a discussion of the immunogenicity and safety of viral and bacterial vaccinations in SLE was performed...
July 27, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28749113/increased-tumour-infiltration-of-cd4-and-cd8-t-lymphocytes-in-patients-with-triple-negative-breast-cancer-suggests-susceptibility-to-immune-therapy
#16
Bushra Sikandar, Muhammad Asif Qureshi, Saima Naseem, Saeed Khan, Talat Mirza
Background: Patients with triple negative breast cancer (TNBC) have limited therapeutic options, largely because the complex tumour environment is not well-characterized. These patients are potential, but largely un-fathomed, candidates for immunotherapy. It is therefore highly relevant to characterize leukocyte complexity in TNBCs. Objective: To investigate leukocyte complexity in tumour environment of patients with TNBCs. Materials and methods: A total of 104 consecutive breast cancer patients undergoing mastectomy were recruited in the study after ethical approval...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28749097/lymphoepithelioma-like-carcinoma-of-the-breast-mimicking-granulomatous-mastitis-case-report-and-review-of-the-literature
#17
Dalia M Abouelfad, Noha N Yassen, Hebat Allah A Amin, Marwa E Shabana
Lymphoepithelioma-like carcinoma (LELC) of the breast is an exceedingly rare variant of mammary cancer. To our knowledge, only twenty - one cases have been reported in the literature. Diagnosis of this type of mammary carcinoma may be challenging, owing to its rarity and the histopathological similarity to common inflammatory and malignant lesions of the breast mainly granulomatous mastitis, medullary carcinoma, pleomorphic lobular carcinoma, lymphoma and other hematological malignancies. Our case is the 22nd case of lymphoepithelioma-like carcinoma reported in the breast, presenting with a palpable tender mass in a post-menopausal female...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28749086/1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol-plag-reduces-hepatic-injury-in-concanavalin-a-treated-mice
#18
Young-Eun Ko, Sun Young Yoon, Sun-Yung Ly, Joo-Heon Kim, Ki-Young Sohn, Jae Wha Kim
1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG), a chemically synthesized monoacetyldiaglyceride, is one of the constituents in Sika deer antlers and has been known traditionally as having immunomodulatory effects. However, the mechanism by which PLAG controls neutrophil migration, which evokes liver injury in the hepatitis animal model, remains largely unknown. This study was designed to evaluate the immunomodulatory effects of PLAG on cytokine secretion and neutrophil migration in vivo and in vitro. The injection of mice with Concanavalin A (Con A) induced leukocyte infiltration in the liver and increased plasma cytokine levels...
July 27, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28749078/vitamin-d-insufficiency-correlates-with-peripheral-b10-cells-in-patients-with-pituitary-tumours
#19
Weimin Wang, Li Fu, Shengli Li, Zhiming Xu, Peng Qiu, Tong-Jiang Xu, Wei Yang, Yu-Bao Zhang, Guang-Ming Xu, Xiang-Dong Lu, Xinggang Li
The mechanism of pituitary gland tumour (PGT) is unclear. Aberrant immune tolerance is associated with the pathogenesis of tumour. Vitamin D and vitamin D receptor (VDR) are involved in the immune regulation. Interleukin (IL)-10 is one of the important immune regulatory molecules. This study aims to elucidate the role of VDR in the regulation of IL-10 in peripheral B cells of PGT patients. In this study, the peripheral blood samples were collected from PGT patients and healthy subjects. B cells were purified from the blood samples and analysed by RT-qPCR and Western blotting...
July 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/28749043/transcriptome-profiling-reveals-the-immune-response-of-goose-t-cells-under-selenium-stimuli
#20
Nan Cao, Wanyan Li, Bingxin Li, Yunbo Tian, Danning Xu
The goose is an economically important poultry species and a principal natural host of avian viruses. This study aimed to determine the effects of selenium on the immune response of geese. Under selenium stimulation, gene expression profiling was investigated using transcriptome sequencing. The selenoproteins were promoted by selenium stimulation, while the heat shock proteins, interleukin and interferons were mainly down-regulated. After comparison, 2228 differentially expressed genes were primarily involved in immune and environmental response, and infectious disease and genetic information processing related pathways were identified...
July 27, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
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