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https://www.readbyqxmd.com/read/28535627/-significance-of-anti-epo-receptor-antibody-in-immune-related-pancytopenia
#1
T Wang, S F Hao, R Fu, H Q Wang, Z H Shao
Objective: To confirm the presence of erythropoietin receptor (EPOR) antibody in patients with immune-related pancytopenia (IRP) and to evaluate the significance of EPOR in IRP. Methods: A total of 59 newly-diagnosed IRP patients, 62 patients with IRP in remission, 14 patients with aplastic anemia (AA), 15 patients with myelodysplastic syndromes (MDS) and 33 healthy controls were enrolled in this study from January 2013 to June 2015 in Tianjin Medical University General Hospital. The anti-EPOR antibody was detected by enzyme-linked immunosorbent assay(ELISA)...
May 16, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28535620/a-case-of-false-positive-troponin-i-in-a-patient-affected-by-cryoglobulinemic-vasculitis
#2
M Bellan, M Pirisi, G Bellomo, P P Sainaghi
Troponin I (TnI) false positive results have been reported in patients affected by immune disorders. We report the case of a 74-year-old woman affected by cryoglobulinemic vasculitis, admitted to the Emergency Room because of a lipotimic episode. A marked elevation of TnI plasma concentration was confirmed in multiple determinations, despite the absence of symptoms or electrocardiogram findings suggesting myocardial infarction. TnI plasma concentration was reported normal after re-testing with a different commercial kit...
May 22, 2017: Reumatismo
https://www.readbyqxmd.com/read/28535615/mesenchimal-stem-cells-a-possible-role-in-the-pathogenesis-and-treatment-of-spondyloarthritis
#3
F M Perrotta, G Guerra, A De Socio, S Scriffignano, E Lubrano
Spondyloarthritis (SpAs) are a group of chronic inflammatory diseases that affect joints and enthesis with a possible involvement of other districts such as skin, eye and bowel. In SpAs, the inflammatory process could lead to both erosive damage (as in peripheral joint involvement of psoriatic arthritis), or bone formation (as in ankylosing spondylitis) with a reduction in function and quality of life. Recently, Mesenchimal stem cells (MSCs) transplant was used in different diseases, including autoimmune and inflammatory diseases, with the aim of repairing tissue damage, exploiting their regenerative capacity...
May 22, 2017: Reumatismo
https://www.readbyqxmd.com/read/28535598/antarctic-seals-molecular-biomarkers-as-indicators-for-pollutant-exposure-health-effects-and-diet
#4
K Lehnert, L Weirup, K C Harding, T Härkönen, O Karlsson, J Teilmann
Weddell (Leptonychotes weddellii), Ross (Ommatophoca rossii) and crabeater seals (Lobodon carcinophaga) are phocid seals with a circumpolar distribution around Antarctica. As long-lived and large top predators, they bioaccumulate contaminants and are considered as sentinels of ecosystem health. Antarctic seals are increasingly exposed to climate change, pollution, shipping and fisheries. To reveal and understand possible anthropogenic impacts on their immune and health status, this study investigates sensitive biomarkers of the xenobiotic metabolism and immune system in relation to mercury (Hg) burden...
May 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28535523/mycophenolate-mofetil-a-possible-alternative-treatment-for-iga-nephropathy
#5
Olga Baraldi, Giorgia Comai, Vania Cuna, Maria Cappuccilli, Carla Serra, Claudio Ronco, Gaetano La Manna
IgA nephropathy (IgAN) is the most common primary glomerulonephritis in developed countries and a leading cause of chronic kidney disease. IgAN is a mesangial proliferative glomerulonephritis characterized by diffuse mesangial deposition of IgA, often accompanied by the deposition of IgG and the C3 component of complement in a similar distribution. This condition is in most cases oligosymptomatic, often discovered coincidentally. Currently, there is no specific treatment available for IgAN and the use of immunosuppression therapy is debated...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535515/extracorporeal-treatments-in-patients-with-acute-kidney-injury-and-sepsis
#6
Marita Marengo, Sergio Dellepiane, Vincenzo Cantaluppi
Acute kidney injury (AKI) is one of the most common sepsis complications, and AKI development increases the risk of sepsis episodes by affecting host immune competence. The concomitance of these 2 clinical syndromes is associated with an extremely poor prognosis with mortality rates ranging from 50 to 70%. These unacceptable outcomes reflect the poor knowledge of the underlying pathogenic mechanisms and the lack of appropriate diagnostic and therapeutic methodologies as well as of appropriate experimental models...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535467/molecular-approaches-to-the-diagnosis-and-monitoring-of-production-diseases-in-pigs
#7
REVIEW
Timothy A Giles, Aouatif Belkhiri, Paul A Barrow, Neil Foster
Production disease in pigs is caused by a variety of different pathogens, mainly enteric and respiratory and can result in significant economic loss. Other factors such as stress, poor husbandry and nutrition can also contribute to an animal's susceptibility to disease. Molecular biomarkers of production disease could be of immense value by improving diagnosis and risk analysis to determine best practice with an impact on increased economic output and animal welfare. In addition to the use of multiplex PCR or microarrays to detect individual or mixed pathogens during infection, these technologies can also be used to monitor the host response to infection via gene expression...
May 17, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28535416/the-role-of-timing-in-the-treatment-of-spinal-cord-injury
#8
REVIEW
Amene Saghazadeh, Nima Rezaei
Regeneration failure after primary spinal cord injury (SCI) leads to diverse clinical complications in a severity- and level of SCI-dependent manner. The cost of treating both of them (initial regeneration failure and following complications) would be prohibitive, particularly in less developed nations. The well-recognized circumstances arose from primary SCI include excitotoxicity and inflammation. SCI increases concentrations of extracellular amino acids (EAAs) in the severity-dependent manner and the maximum level of EAAs at the injury site will be reduced by distance from the injury site...
May 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28535304/the-interplay-of-micrornas-in-the-inflammatory-mechanisms-following-ischemic-stroke
#9
Seyed Esmaeil Khoshnam, William Winlow, Maryam Farzaneh
Immunity and inflammation are important parameters of the pathophysiology of stroke, a destructive illness that is the second most common cause of death worldwide. Following ischemic stroke, neuroinflammation plays a critical role in neurodegeneration and brain injury. MicroRNAs (miRNAs) are a class of endogenously expressed, noncoding RNA molecules that function to inhibit mRNA translation. Recent studies demonstrate that miRNAs are key regulators of inflammatory processes contributing to ischemic stroke injuries...
May 23, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28535293/invited-commentary-a-landmark-study-launched-in-a-public-health-maelstrom
#10
Eric A Engels, Charles S Rabkin, James J Goedert
The acquired immune deficiency syndrome (AIDS) epidemic was first recognized in 1981, and it quickly became a public health emergency. In a 1987 paper in the American Journal of Epidemiology (Am J Epidemiol. 1987;126(2): 310-318), Richard Kaslow et al. described the launch of the Multicenter AIDS Cohort Study (MACS), a cohort study of homosexual men in 4 US cities, the purpose of which was to better understand the natural history of AIDS and its determinants. The MACS enrolled participants through a range of community contacts...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28535267/the-plasma-and-mucosal-igm-iga-and-igg-responses-to-the-vibrio-cholerae-o1-protein-immunome-in-adults-with-cholera-in-bangladesh
#11
Richelle C Charles, Rie Nakajima, Li Liang, Al Jasinskas, Amanda Berger, Daniel T Leung, Meagan Kelly, Peng Xu, Pavol Kovác, Samantha R Giffen, James D Harbison, Fahima Chowdhury, Ashraful I Khan, Stephen B Calderwood, Taufiqur Rahman Bhuiyan, Jason B Harris, Philip L Felgner, Firdausi Qadri, Edward T Ryan
Background.: Cholera is a severe dehydrating illness of humans caused by toxigenic strains of Vibrio cholerae O1 or O139. Identification of immunogenic V. cholerae antigens could lead to a better understanding of protective immunity in human cholera. Methods.: We probed microarrays containing 3652 V. cholerae antigens with plasma and antibody-in-lymphocyte supernatant (ALS, a surrogate marker of mucosal immune responses) from patients with severe cholera caused by V...
May 23, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28535205/a-transcriptional-serenaid-the-role-of-noncoding-rnas-in-class-switch-recombination
#12
William T Yewdell, Jayanta Chaudhuri
During an immune response, activated B cells may undergo class switch recombination (CSR), a molecular rearrangement that allows B cells to switch from expressing IgM and IgD to a secondary antibody heavy chain isotype such as IgG, IgA, or IgE. Secondary antibody isotypes provide the adaptive immune system with distinct effector functions to optimally combat various pathogens. CSR occurs between repetitive DNA elements within the immunoglobulin heavy chain (Igh) locus, termed switch (S) regions, and requires the DNA modifying enzyme activation-induced cytidine deaminase (AID)...
May 23, 2017: International Immunology
https://www.readbyqxmd.com/read/28535201/regulatory-t-cells-ameliorate-tissue-plasminogen-activator-induced-brain-haemorrhage-after-stroke
#13
Leilei Mao, Peiying Li, Wen Zhu, Wei Cai, Zongjian Liu, Yanling Wang, Wenli Luo, Ruth A Stetler, Rehana K Leak, Weifeng Yu, Yanqin Gao, Jun Chen, Gang Chen, Xiaoming Hu
Delayed thrombolytic treatment with recombinant tissue plasminogen activator (tPA) may exacerbate blood-brain barrier breakdown after ischaemic stroke and lead to lethal haemorrhagic transformation. The immune system is a dynamic modulator of stroke response, and excessive immune cell accumulation in the cerebral vasculature is associated with compromised integrity of the blood-brain barrier. We previously reported that regulatory T cells, which function to suppress excessive immune responses, ameliorated blood-brain barrier damage after cerebral ischaemia...
May 22, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28535114/association-of-pd-1-5-c-t-but-not-pd-1-3-g-a-with-malignant-and-benign-brain-tumors-in-iranian-patients
#14
Fatemeh Namavar Jahromi, Morteza Samadi, Zahra Mojtahedi, Mohammad Reza Haghshenas, Mosa Taghipour, Nasrollah Erfani
Programmed death-1 (PD-1) negatively regulates the immune response. The aims of this study were to assess the association of two single nucleotide polymorphisms in the PD-1 gene, PD-1.5 (+7785 C/T-rs2227981) and PD-1.3 (+7146 G/A- rs11568821), with benign and malignant brain tumors. Patients with brain tumors (96 patients with benign and 56 with malignant brain tumors) and 150 healthy control individuals were included. PCR-RFLP was performed for genotyping. It was revealed that the genotype and allele frequencies of PD-1...
May 23, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28535085/characterization-of-an-encapsulated-insulin-secreting-human-pancreatic-beta-cell-line-in-a-modular-microfluidic-device
#15
Argia Acarregui, Jesús Ciriza, Laura Saenz Del Burgo, Haritz Gurruchaga, José Yeste, Xavier Illa, Gorka Orive, Rosa M Hernández, Rosa Villa, Jose Luis Pedraz
Type I diabetes mellitus is characterized by the destruction of the insulin producing beta cells within the pancreas by the immune system. After the success of Edmonton protocol, islet transplantation has shown to be a promising therapy, but with the Achilles´ heel of the need of using immunosuppressive drugs. Currently, cell encapsulation technology represents a real alternative to protect transplanted islets from the host´s immune attack. Although preliminary in vitro studies with encapsulated cells have been traditionally performed under static conditions in terms of viability and efficiency, these static cultures do not represent a close approach to in vivo environments...
May 23, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28535079/the-tomato-kinase-pti1-contributes-to-production-of-reactive-oxygen-species-in-response-to-two-flagellin-derived-peptides-and-promotes-resistance-to-pseudomonas-syringae-infection
#16
Simon Schwizer, Christine M Kraus, Diane M Dunham, Yi Zheng, Noe Fernandez-Pozo, Marina A Pombo, Zhangjun Fei, Suma Chakravarthy, Gregory Martin
The Pti1 kinase was identified from a reverse genetic screen as contributing to pattern-triggered immunity (PTI) against Pseudomonas syringae pv. tomato (Pst). This was unexpected because Pti1 was originally identified as an interactor of the Pto kinase and was implicated in effector-triggered immunity. The tomato genome has two Pti1 genes, referred to as Pti1a and Pti1b. A hairpin-Pti1 (hpPti1) construct was developed and used to generate two independent stable transgenic tomato lines, which had reduced transcript abundance of both genes...
May 23, 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/28535011/tumor-growth-limited-to-subcutaneous-site-vs-tumor-growth-in-pulmonary-site-exhibit-differential-effects-on-systemic-immunities
#17
Junko Masuda, Eiji Takayama, Warren Strober, Ayano Satoh, Yuji Morimoto, Yasuko Honjo, Tatsuo Ichinohe, Shin-Ichi Tokuno, Toshiaki Ishizuka, Takahiro Nakata, Akifumi Mizutani, Naoki Umemura, Atsushi Kitani, Ivan J Fuss, Tsukasa Shigehiro, Harumi Kawaki, Masako Mizuno-Kamiya, Nobuo Kondoh, Masaharu Seno
To evaluate systemic immunity associated with tumor growth limited to a subcutaneous site versus growth proceeding at multiple tumor sites, we established syngeneic mouse subcutaneous and pulmonary tumor models by local subcutaneous and intravenous injection of colon carcinoma CT26 cells. We found that splenic myeloid-derived suppressor cell (MDSC) levels were significantly increased in the subcutaneous tumor model but not in the pulmonary tumor model. Furthermore, both CD4+ and CD8+ T cells as well as CD4+ Foxp3+ T cells were significantly decreased in the subcutaneous tumor model and were largely unchanged in the pulmonary tumor model...
May 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534997/reduced-expression-of-follicle-stimulating-hormone-receptor-mrna-and-protein-in-pregnancies-complicated-by-pre%C3%A2-eclampsia
#18
Mo Li, Yifan Jia, Yan Ling, Yilu Chen, Lu Zhang, Dan Luo, Lidan Lai, Meijun Guo, Dalei Zhang, Min Ren, Hong Xu, Haibin Kuang
Expression and function of the follicle‑stimulating hormone receptor (FSHR) are traditionally thought to be limited to the ovary in females. However, recent studies have indicated that the FSHR is also expressed in endothelial cells of the placental vasculature, and that the haploinsufficiency of the feto‑placental FSHR impaired the growth of the mouse placenta. The aim of the current study was to investigate the placental expression of FSH and FSHR in pregnancies complicated by pre‑eclampsia. Placental tissue samples were collected from 20 pregnancies with pre‑eclampsia and 25 normal pregnancies...
May 18, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534962/galectin%C3%A2-9-ameliorates-fulminant-liver-injury
#19
Tomoko Tadokoro, Asahiro Morishita, Teppei Sakamoto, Shintaro Fujihara, Koji Fujita, Shima Mimura, Kyoko Oura, Takako Nomura, Joji Tani, Hirohito Yoneyama, Hisakazu Iwama, Takashi Himoto, Toshiro Niki, Mitsuomi Hirashima, Tsutomu Masaki
Fulminant hepatitis is a severe liver disease resulting in hepatocyte necrosis. Galectin‑9 (Gal‑9) is a tandem‑repeat‑type galectin that has been evaluated as a potential therapeutic agent for various diseases that regulate the host immune system. Concanavalin A (ConA) injection into mice results in serious, immune‑mediated liver injury similar to human viral, autoimmune and fulminant hepatitis. The present study investigated the effects of Gal‑9 treatment on fulminant hepatitis in vivo and the effect on the expression of microRNAs (miRNAs), in order to identify specific miRNAs associated with the immune effects of Gal‑9...
May 18, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534905/antimicrobial-peptide-inspired-nh125-analogues-bacterial-and-fungal-biofilm-eradicating-agents-and-rapid-killers-of-mrsa-persisters
#20
Akash Basak, Yasmeen Abouelhassan, Ran Zuo, Hussain Yousaf, Yousong Ding, Robert W Huigens
During microbial infection, antimicrobial peptides are utilized by the immune response to rapidly eradicate microbial pathogens through the destruction of cellular membranes. Inspired by antimicrobial peptides, quaternary ammonium cationic (QAC) compounds have emerged as agents capable of destroying bacterial membranes leading to rapid bacterial death, including the eradication of persistent, surface-attached bacterial biofilms. NH125, an imidazolium cation with a sixteen membered fatty tail, was recently reported to eradicate persister cells and was our starting point for the development of novel antimicrobial agents...
May 23, 2017: Organic & Biomolecular Chemistry
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