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https://www.readbyqxmd.com/read/28550199/comprehensive-approach-for-identifying-the-t-cell-subset-origin-of-cd3-and-cd28-antibody-activated-chimeric-antigen-receptor-modified-t-cells
#1
Michael Schmueck-Henneresse, Bilal Omer, Thomas Shum, Haruko Tashiro, Maksim Mamonkin, Natalia Lapteva, Sandhya Sharma, Lisa Rollins, Gianpietro Dotti, Petra Reinke, Hans-Dieter Volk, Cliona M Rooney
The outcome of therapy with chimeric Ag receptor (CAR)-modified T cells is strongly influenced by the subset origin of the infused T cells. However, because polyclonally activated T cells acquire a largely CD45RO(+)CCR7(-) effector memory phenotype after expansion, regardless of subset origin, it is impossible to know which subsets contribute to the final T cell product. To determine the contribution of naive T cell, memory stem T cell, central memory T cell, effector memory T cell, and terminally differentiated effector T cell populations to the CD3 and CD28-activated CAR-modified T cells that we use for therapy, we followed the fate and function of individually sorted CAR-modified T cell subsets after activation with CD3 and CD28 Abs (CD3/28), transduction and culture alone, or after reconstitution into the relevant subset-depleted population...
May 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28550115/involvement-of-cell-surface-90-kda-heat-shock-protein-hsp90-in-pattern-recognition-by-human-monocyte-derived-macrophages
#2
Małgorzata Bzowska, Anna Nogieć, Krystian Bania, Magdalena Zygmunt, Mirosław Zarębski, Jerzy Dobrucki, Krzysztof Guzik
Heat shock proteins (HSPs) are typical intracellular chaperones which also appear on the cell surface and in extracellular milieu. HSP90, which chaperones many proteins involved in signal transduction, is also a regular component of LPS-signaling complexes on Mϕ. As LPS is a prototypical PAMP, we speculated that HSP90 is engaged in pattern recognition by professional phagocytes. In this report, we provide the first evidence, to our knowledge, of the geldanamycin (Ge)-inhibitable HSP90 on the surface of live monocyte-derived Mϕs (hMDMs)...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28541678/identification-of-active-hydrogen-species-on-palladium-nanoparticles-for-an-enhanced-electrocatalytic-hydrodechlorination-of-2-4-dichlorophenol-in-water
#3
Guangming Jiang, Mengna Lan, Zhiyong Zhang, Xiaoshu Lv, Zimo Lou, Xinhua Xu, Fan Dong, Sen Zhang
Clarifying hydrogen evolution and identifying the active hydrogen species are crucial to the understanding of electrocatalytic hydrodechlorination (EHDC) mechanism. Here, monodisperse palladium nanoparticles (Pd NPs) are used as a model catalyst to demonstrate the potential-dependent evolutions of three hydrogen species, including adsorbed atomic hydrogen (H*ads), absorbed atomic hydrogen (H*abs) and molecular hydrogen (H2) on Pd NPs, and then their effect on EHDC of 2,4-dichlorophenol (2,4-DCP). Our results show that H*ads, H*abs and H2 all emerge at -0...
May 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28539189/the-individual-and-population-genetics-of-antibody-immunity
#4
REVIEW
Corey T Watson, Jacob Glanville, Wayne A Marasco
Antibodies (Abs) produced by immunoglobulin (IG) genes are the most diverse proteins expressed in humans. While part of this diversity is generated by recombination during B-cell development and mutations during affinity maturation, the germ-line IG loci are also diverse across human populations and ethnicities. Recently, proof-of-concept studies have demonstrated genotype-phenotype correlations between specific IG germ-line variants and the quality of Ab responses during vaccination and disease. However, the functional consequences of IG genetic variation in Ab function and immunological outcomes remain underexplored...
May 20, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28535488/ftir-analysis-on-aging-characteristics-of-abs-pc-blend-under-uv-irradiation-in-air
#5
Jiarong Li, Fu Chen, Long Yang, Long Jiang, Yi Dan
Fourier Transform Infrared Spectroscopy (FTIR) is adopted to study the aging characteristics of poly(acrylonitrile-butadiene-styrene)/polycarbonate (ABS/PC) blend under UV-irradiation in air by analyzing the variation of the three main absorbance at about 967cm(-1), 1720cm(-1) and 3420cm(-1) associated with carbon-hydrogen bonds belonging to 1,4 butadiene, carbonyl and hydroxyl groups, respectively. Results indicate that, under UV-irradiation in air, the photo-oxidation of the blend is not a simple combination of the photo-oxidation of corresponding ABS and PC themselves and takes place predominantly at the ABS component...
April 29, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28533781/myelin-oligodendrocyte-glycoprotein-deciphering-a-target-in-inflammatory-demyelinating-diseases
#6
REVIEW
Patrick Peschl, Monika Bradl, Romana Höftberger, Thomas Berger, Markus Reindl
Myelin oligodendrocyte glycoprotein (MOG), a member of the immunoglobulin (Ig) superfamily, is a myelin protein solely expressed at the outermost surface of myelin sheaths and oligodendrocyte membranes. This makes MOG a potential target of cellular and humoral immune responses in inflammatory demyelinating diseases. Due to its late postnatal developmental expression, MOG is an important marker for oligodendrocyte maturation. Discovered about 30 years ago, it is one of the best-studied autoantigens for experimental autoimmune models for multiple sclerosis (MS)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28533282/passive-immunization-of-farmed-fish
#7
REVIEW
Binoy Rajan, Guro Løkka, Erling Olaf Koppang, Lars Austbø
The fast growth and potential of global aquaculture has necessitated the adoption of sustainable and welfare-oriented therapeutics and prophylactic strategies. Knowledge gathered from studies about maternal passive immunity in fish and fish-to-fish passive immunization experiments supports the concept of using therapeutic Abs (of piscine and other vertebrate origin) in aquaculture. Traditional Ab formats (IgG, IgM) are expensive and laborious to produce; however, the introduction of new rAb fragments and single-domain Abs have reinvigorated the concept of passive immunization...
June 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28530504/functional-recovery-after-rotator-cuff-repair-the-role-of-biceps-surgery
#8
Bernardo Gialanella, Francesco Grossetti, Marina Mazza, Laura Danna, Laura Comini
CONTEXT: Surgical cuff repair is indicated in full-thickness rotator cuff tear when non-operative treatment fails. Surgical cuff repair can comprehend surgery of long head of the biceps when concomitant biceps pathology is present. However, the studies executed up to now do not have yet clearly defined if additional biceps surgery affects the shoulder functionality in patients who underwent rotator cuff repair. OBJECTIVE: The aim of this study is to verify if the concomitant biceps surgery prejudices the shoulder functionality during the short-term period in rotator cuff repair patients...
May 22, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28526680/decrease-in-numbers-of-naive-and-resting-b-cells-in-hiv-infected-kenyan-adults-leads-to-a-proportional-increase-in-total-and-plasmodium-falciparum-specific-atypical-memory-b-cells
#9
Anne E Frosch, Oludare A Odumade, Justin J Taylor, Kathleen Ireland, George Ayodo, Bartholomew Ondigo, David L Narum, John Vulule, Chandy C John
Human immunodeficiency virus type 1 (HIV-1) infection is associated with B cell activation and exhaustion, and hypergammaglobulinemia. How these changes influence B cell responses to coinfections such as malaria is poorly understood. To address this, we compared B cell phenotypes and Abs specific for the Plasmodium falciparum vaccine candidate apical membrane Ag-1 (AMA1) in HIV-infected and uninfected adults living in Kenya. Surprisingly, HIV-1 infection was not associated with a difference in serum AMA1-specific Ab levels...
May 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28522118/a-national-survey-of-hdr-source-knowledge-among-practicing-radiation-oncologists-and-residents-establishing-a-willingness-to-pay-threshold-for-cobalt-60-usage
#10
Raymond Mailhot Vega, Wesley Talcott, Omar Ishaq, Patrice Cohen, Christina J Small, Tamara Duckworth, Gustavo Sarria Bardales, Carmen A Perez, Peter B Schiff, William Small, Matthew M Harkenrider
PURPOSE: Ir-192 is the predominant source for high-dose-rate (HDR) brachytherapy in United States markets. Co-60, with longer half-life and fewer source exchanges, has piloted abroad with comparable clinical dosimetry but increased shielding requirements. We sought to identify practitioner knowledge of Co-60 and establish acceptable willingness-to-pay (WTP) thresholds for additional shielding requirements for use in future cost-benefit analysis. METHODS AND MATERIALS: A nationwide survey of U...
May 15, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28514300/increasing-efficacy-and-reducing-side-effects-in-treatment-of-chronic-anal-fissures-a-study-of-topical-diazepam-therapy
#11
Minh Tuan H Hang, Betsy E Smith, Carson Keck, Ali Keshavarzian, Shahriar Sedghi
This is a single institution nonexperimental study intended to analyze the therapeutic efficacy of topical diazepam in treating symptoms of chronic anal fissures.Anal fissures are a common cause of anal pain. Conventional treatments include nonsteroidal anti-inflammatory drugs, topical creams, such as nitroglycerin and nifedipine, and surgery. However, these treatments are usually suboptimally efficacious or have deterring side effects.Patients at an outpatient community center with a diagnosis of a chronic anal fissure were prescribed either topical 2% (n = 19) or 4% (n = 18) diazepam cream between January 2013 and February 2015...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28511008/cascade-reaction-based-near-infrared-multiphoton-fluorescent-probe-for-the-selective-detection-of-cysteine
#12
Rasika R Nawimanage, Bijeta Prasai, Suraj U Hettiarachchi, Robin L McCarley
The ability to detect and visualize cellular events and their associated target biological analytes through use of cell-permeable profluorogenic probes is dependent on the availability of activatable probes that respond rapidly and selectively to target analytes by production of fluorescent reporting molecules whose excitation and emission energies span a broad range. Herein is described a new probe, DCM-Cys, that preferentially reacts with cysteine to form a dicyanomethylene-4H-pyran (DCM) reporter whose red-energy fluorescence can be stimulated by two-photon, near-infrared excitation so as to provide visualization of cysteine presence inside living human cells with a high signal-to-background ratio...
May 25, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28510133/analysis-of-immune-biochemical-indicators-to-assess-the-risk-of-developing-cardiological-pathology
#13
V S Morozova, I A Moseikin, S N Petrochenko, M A Myagkova, L F Panchenko
Prognostic immuno-biochemical tests to assess the severity of the condition of patients with cardiac diseases were developed. A comparative analysis of clinical and laboratory blood parameters, which are used in practice for the diagnosis and prognosis of diseases, and an analysis of the content of natural antibodies (n-Abs) to β-endorphin, bradykinin, histamine, dopamine, and serotonin were performed. A significant correlation between the level of n-Abs, the main biochemical parameters, and the content of blood corpuscles was revealed...
March 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28510122/anti-thyroglobulin-antibodies-do-not-significantly-increase-the-risk-of-finding-iodine-avid-metastases-on-post-radioactive-iodine-ablation-scan-in-low-risk-thyroid-cancer-patients
#14
F Nabhan, K Porter, L Senter, M D Ringel
OBJECTIVE: Post-operative thyroglobulin (Tg) levels can predict the likelihood of residual cancer, including distant metastases, thereby influencing postsurgical treatment strategies even in patients with low-risk disease. Circulating anti-thyroglobulin antibodies (anti-Tg Abs) interfere with Tg measurement preventing this clinical use. It is not known if the presence of anti-Tg Abs predicts metastatic disease on post-therapy scan in patients with low-risk disease or if they should influence the use or dose of I-131 therapy...
May 16, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28508195/serum-p53-antibody-as-a-potential-tumor-marker-in-extrahepatic-cholangiocarcinoma
#15
Rei Okada, Hideaki Shimada, Yuichiro Otsuka, Masaru Tsuchiya, Jun Ishii, Toshio Katagiri, Tetsuya Maeda, Yoshihisa Kubota, Tetsuo Nemoto, Hironori Kaneko
PURPOSE: Only a few studies have evaluated the clinicopathological significance of the p53 protein expression and s-p53-Abs level in patients with cholangiocarcinoma. We therefore analyzed the clinicopathological and prognostic significance of s-p53-Abs in patients with extrahepatic cholangiocarcinoma. METHODS: We prospectively evaluated s-p53-Abs levels before and after surgery in 61 patients with extrahepatic cholangiocarcinoma to determine the relationship between clinicopathological factors and the prognostic significance of s-p53-Abs...
May 15, 2017: Surgery Today
https://www.readbyqxmd.com/read/28506921/decrease-of-blood-anti-%C3%AE-1-3-galactose-abs-levels-in-multiple-sclerosis-ms-and-clinically-isolated-syndrome-cis-patients
#16
L Le Berre, J Rousse, P-A Gourraud, B-M Imbert-Marcille, A Salama, G Evanno, G Semana, A Nicot, E Dugast, P Guérif, C Adjaoud, T Freour, S Brouard, F Agbalika, R Marignier, D Brassat, D-A Laplaud, E Drouet, V Van Pesch, J-P Soulillou
The etiology of multiple sclerosis (MS) remains elusive. Among the possible causes, the increase of anti-Neu5Gc antibodies during EBV primo-infection of Infectious mononucleosis (IMN) may damage the integrity of the blood-brain barrier facilitating the transfer of EBV-infected B cells and anti-EBV T cell clones in the brain. We investigated the change in titers of anti-Neu5Gc and anti-α1,3 Galactose antibodies in 49 IMN, in 76 MS, and 73 clinically isolated syndrome (CIS) patients, as well as age/gender-matched healthy individuals...
May 18, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28506223/case-of-asteroid-hyalosis-that-developed-severely-reduced-vision-after-cataract-surgery
#17
Ryosuke Ochi, Bumpei Sato, Seita Morishita, Yukihiro Imagawa, Masashi Mimura, Masanori Fukumoto, Takaki Sato, Takatoshi Kobayashi, Teruyo Kida, Tsunehiko Ikeda
BACKGROUND: To report our findings in a patient with asteroid hyalosis (AH) who had a severe reduction of his visual acuity following cataract surgery. The vision was improved by vitreous surgery. CASE PRESENTATION: The patient was an 81-year-old man. Following cataract surgery on his left eye, his decimal best-corrected visual acuity (BCVA) was markedly reduced from 0.2 to 0.02. A large number of asteroid bodies (ABs) was observed to be concentrated on the posterior surface of the implanted intraocular lens...
May 15, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28504684/fully-automated-5-plex-fluorescent-immunohistochemistry-with-tyramide-signal-amplification-and-same-species-antibodies
#18
Wenjun Zhang, Antony Hubbard, Tobin Jones, Adriana Racolta, Srabani Bhaumik, Nick Cummins, Liping Zhang, Karl Garsha, Frank Ventura, Mark R Lefever, Zhenqiang Lu, John K Hurley, William A Day, Lidija Pestic-Dragovich, Larry E Morrison, Lei Tang
The ability to simultaneously visualize the presence, abundance, location and functional state of many targets in cells and tissues has been described as a true next-generation approach in immunohistochemistry (IHC). A typical requirement for multiplex IHC (mIHC) is the use of different animal species for each primary (1°Ab) and secondary (2°Ab) antibody pair. Although 1°Abs from different species have been used with differently labeled species-specific 2°Abs, quite often the appropriate combination of antibodies is not available...
May 15, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28504320/photosensitization-priming-of-tumor-microenvironments-improves-delivery-of-nanotherapeutics-via-neutrophil-infiltration
#19
Dafeng Chu, Xinyue Dong, Qi Zhao, Jingkai Gu, Zhenjia Wang
Remodeling of tumor microenvironments enables enhanced delivery of nanoparticles (NPs). This study shows that direct priming of a tumor tissue using photosensitization rapidly activates neutrophil infiltration that mediates delivery of nanotherapeutics into the tumor. A drug delivery platform is comprised of NPs coated with anti-CD11b antibodies (Abs) that target activated neutrophils. Intravital microscopy demonstrates that the movement of anti-CD11b Abs-decorated NPs (NPs-CD11b) into the tumor is mediated by neutrophil infiltration induced by photosensitization (PS) because the systemic depletion of neutrophils completely abolishes the nanoparticle tumor deposition...
May 15, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28500073/fc%C3%AE-riiia-signaling-modulates-endosomal-tlr-responses-in-human-cd4-t-cells
#20
Anil K Chauhan
Recognition of Ab-opsonized pathogens by immune cells triggers both TLR and Fc receptor signaling. Fc receptors endocytose modified nucleic acids bound to Abs and deliver them to endosomes, where they are recognized by nucleic acid-sensing TLRs (NA-TLRs). We show that in CD4(+) T cells, NA-TLRs, TLR3, TLR8, and TLR9 are upregulated by FcγRIIIa-pSyk cosignaling and localize with FcγRIIIa on the cell surface. TLR9 accumulates on the cell surface, where it recognizes CpG oligonucleotide 2006. Subcellular location of NA-TLRs is a key determinant in discriminating self versus viral nucleic acid...
May 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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