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https://www.readbyqxmd.com/read/28096613/immunotoxic-effect-of-thiamethoxam-in-immunized-mice-with-brucella-abortus-cultural-filtrate-antigen
#1
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/28092949/label-free-separation-of-induced-pluripotent-stem-cells-with-anti-ssea-1-antibody-immobilized-microfluidic-channel
#2
Akihisa Otaka, Kazuki Kitagawa, Takahiko Nakaoki, Mitsuhi Hirata, Kyoko Fukazawa, Kazuhiko Ishihara, Atsushi Mahara, Tetsuji Yamaoka
When induced pluripotent stem cell (iPSC) is routinely cultured, the obtained cells are a heterogeneous mixture, including feeder cells and partially differentiated cells. Therefore, a purification process is required to use them in a clinical stage. We described a label-free separation of iPSCs using a microfluidic channel. Antibodies against stage-specific embryonic antigen 1 (SSEA-1) was covalently immobilized on the channel coated with a phospholipid polymer. After injection of the heterogeneous cell suspension containing iPSCs, the velocity of cell movement under a liquid flow condition was measured...
January 16, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28090276/overexpression-of-recombinant-human-teriparatide-rhpth-1-34-in-escherichia-coli-an-innovative-gene-fusion-approach
#3
Nahid Bakhtiari, Zahra Amini Bayat, Sepideh Sagharidouz, Mohsen Vaez
BACKGROUND: Parathyroid hormone is an 84-amino acid peptide secreted by the parathyroid glands. Its physiological role is maintenance of normal serum calcium level and bone remodeling. Biological activity of this hormone is related to N-terminal 1-34 amino acids. The recombinant form of hormone (1-34) has been approved for treatment of osteoporosis from 2002. In this study, a novel fusion partner has been developed for preparation of high yield recombinant 1-34 amino acids of hPTH. METHODS: Novel nucleotide cassette designed encoding a chimeric fusion protein comprising of a fusion partner consisting of a His-tag in N-terminal, 53 amino acids belong to Escherichia coli (E...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28088473/endothelium-adhesion-molecules-icam-1-icam-2-vcam-1-and-vla-4-expression-in-leprosy
#4
Juarez de Sousa, Tinara Leila Sousa Aarão, Jorge Rodrigues de Sousa, Kelly Emi Hirai, Luciana Mota Silva, Leonidas Braga Dias, Francisca Regina Oliveira Carneiro, Hellen Thais Fuzii, Juarez Aantonio Simoes Quaresma
Leprosy triggers a complex relationship between the pathogen and host immune response. Endothelium plays an important role in this immune response by directly influencing cell migration to infected tissues. The objective of this work is to investigate the possible role of endothelium in M. leprae infection, correlating the characteristics of endothelial markers with the expression pattern of cytokines. Thirty-six skin biopsy samples were cut into 5-μm thick sections and stained with hematoxylin-eosin and Ziehl-Neelsen for morphological analysis and then submitted to immunohistochemical analysis using monoclonal antibodies against ICAM-1, ICAM-2, VCAM-1, and VLA-4...
January 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28070715/an-integrated-assessment-of-the-effects-of-immunogenicity-on-the-pharmacokinetics-safety-and-efficacy-of-elotuzumab
#5
Chaitali Passey, Johanna Mora, Robert Dodge, Leonid Gibiansky, Jennifer Sheng, Amit Roy, Akintunde Bello, Manish Gupta
Elotuzumab is a humanized, immunostimulatory anti-signaling lymphocytic activation molecule F7 (SLAMF7) IgG1 monoclonal antibody indicated in combination with lenalidomide and dexamethasone for patients with multiple myeloma (MM) who have received 1-3 prior therapies. We assessed the immunogenicity of elotuzumab as a monotherapy and in combination with bortezomib/dexamethasone and lenalidomide/dexamethasone in patients with MM in five clinical studies, including the pivotal ELOQUENT-2 trial (NCT01239797). Anti-drug antibody (ADA) prevalence was determined using a validated bridging assay...
January 9, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28068457/cellular-gabaergic-neuroactive-steroid-3%C3%AE-5%C3%AE-3-hydroxy-pregnan-20-one-3%C3%AE-5%C3%AE-thp-immunostaining-levels-are-increased-in-the-ventral-tegmental-area-of-human-alcohol-use-disorder-patients-a-postmortem-study
#6
Ahmet Sait Hasirci, Antoniette M Maldonado-Devincci, Matthew C Beattie, Todd K O'Buckley, A Leslie Morrow
BACKGROUND: The GABAergic neuroactive steroid (3α,5α)-3-hydroxy-pregnan-20-one (3α,5α-THP; allopregnanolone) enhances GABAergic activity and produces subjective effects similar to ethanol (EtOH). The effect of chronic alcohol exposure on 3α,5α-THP concentrations has been studied in mouse, rat, and monkey limbic brain areas. Chronic EtOH exposure produced divergent brain region and cell-specific changes in 3α,5α-THP concentrations in animal studies. However, 3α,5α-THP levels in similar human brain regions have never been examined in individuals diagnosed with alcohol use disorder (AUD)...
January 9, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28066016/thrombocytopenia-associated-with-olanzapine-a-case-report-and-review-of-literature
#7
Swapnajeet Sahoo, Himanshu Singla, M Spoorty, Pankaj Malhotra, Sandeep Grover
There is limited literature on olanzapine-associated thrombocytopenia. In this report, we present a case of a 32-year-old female, suffering from persistent delusional disorder who had thrombocytopenia (46,000/mm(3)) with the use of olanzapine 25 mg/day, 6 weeks after starting medication. Blood film did not reveal any evidence of any dysplastic cells, disturbance in the count of other cell lines, and autoimmune workup including antinuclear antibodies and anti-neutrophil cytoplasmic antibodies were found to be negative...
July 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28063964/impact-of-hepatitis-b-core-antibody-hbcab-seropositivity-on-the-outcome-of-autologous-hematopoietic-stem-cell-transplantation-for-multiple-myeloma
#8
Ankur Varma, Laura Biritxinaga, Rima M Saliba, Maximilian Stich, Sarah Francesca Jauch, Aimaz Afrough, Medhavi Honhar, Uday R Popat, Mehnaz A Shafi, Nina Shah, Qaiser Bashir, Yvonne Dinh, Chitra Hosing, Richard E Champlin, Muzaffar H Qazilbash
Hepatitis B core antibody (HBcAb) seropositivity has been associated with a higher rate of hepatitis B virus (HBV) reactivation after chemotherapy, even in patients who are hepatitis B surface antigen (HBsAg) negative. However, little is known about the risk of HBV reactivation after autologous hematopoietic stem cell transplantation (auto-HCT). We evaluated the incidence of HBV reactivation, liver toxicity and survival in patients with multiple myeloma (MM) who received auto-HCT at our institution. We retrospectively identified 107 MM patients with resolved HBV infection (HBcAb positive, HBsAg negative) and 125 patients with negative HBV serology (controls) who were matched for age, timing of auto-HCT from diagnosis, cytogenetics, disease status at transplant, induction therapy, and preparative regimen...
January 4, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28060563/efficacy-and-safety-of-elotuzumab-for-the-treatment-of-multiple-myeloma
#9
Maria Gavriatopoulou, Evangelos Terpos, Efstathios Kastritis, Meletios A Dimopoulos
Multiple myeloma (MM) is the second most common hematologic malignancy and despite significant outcome improvements with novel agents, the majority of patients will eventually relapse and develop treatment resistance. Immunotherapy is emerging as a promising therapeutic approach in MM. Areas covered: Elotuzumab is a monoclonal antibody directly targeting the SLAMF7 receptor, expressed on normal and malignant plasma cells. Elotuzumab has no meaningful antimyeloma activity when given as monotherapy to patients with relapsed or refractory MM (RRMM)...
January 6, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28054901/libman-sacks-endocarditis-with-unusual-large-size-vegetation-involving-the-mitral-valve
#10
Amjad Bani Hani, Mahmoud Abu-Abeeleh, Murad M Al Kharabsheh, Lubaba Qabba'ah
Antiphospholipid syndrome (APS) is an autoimmune hypercoagulable disorder characterized by thrombophilia, vascular thrombosis, and recurrent abortions associated with persistent antiphospholipid antibodies. APS may exist in its primary form, or more commonly is found to be associated with variety of rheumatic disorders, such as systemic lupus erythematosus. Cardiac involvement is not an uncommon complication in primary antiphospholipid patients. Libman-Sacks lesions are typically small, sessile, and wart-like, varying in size from 1-4 mm...
21, 2016: Heart Surgery Forum
https://www.readbyqxmd.com/read/28042457/an-update-on-the-role-of-daratumumab-in-the-treatment-of-multiple-myeloma
#11
REVIEW
Caitlin Costello
Monoclonal antibodies (mAbs) have emerged as a promising new drug class for the treatment of multiple myeloma (MM). Daratumumab (DARA), a CD38 mAb, has demonstrated safety, tolerability and activity in a range of clinical trials, both as monotherapy and in combination strategies for MM. The favorable efficacy results in heavily pretreated patients with advanced MM have provided the rationale for the investigation of DARA in a number of ongoing and future phase II and III trials. The general tolerability of mAbs has allowed for widespread investigation and use of DARA among a variety of MM patients, however their use requires special consideration...
January 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28039714/analysis-of-malignancy-predictors-for-oxyphile-thyroid-tumors
#12
Rastko Zivic, Aleksandar Diklic, Sandra Sipetic Grujicic, Ivan Paunovic, Berislav Vekic, Radoslav Perunovic, Dragan Radovanovic, Vladan Zivaljevic
PURPOSE: In contrast to other thyroid carcinomas it is difficult to establish a correct preoperative diagnosis for oxyphile carcinoma of the thyroid. In this study we looked for predictive malignancy factors in order to enable surgeons to choose operative treatment and to perform an adequate operation for each patient with an oxyphile neoplasm of the thyroid. METHODS: In this retrospective study we have analyzed the medical files of all patients with oxyphile tumors of the thyroid operated between 1999 and 2008 in our institution...
November 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28038704/gata3-expression-in-clinically-useful-groups-of-breast-carcinoma-a-comparison-with-gcdfp15-and-mammaglobin-for-identifying-paired-primary-and-metastatic-tumors
#13
Yuqiong Yang, Shanming Lu, Wenqin Zeng, Shoucheng Xie, Shengjun Xiao
GATA3 has been recognized as the novel marker for identifying primary and metastatic breast carcinomas, consistently showing that GATA3 was significantly more sensitive than traditional markers gross cystic disease fluid protein 15 (GCDFP15) and mammaglobin (MGB). However, clinically useful groups of breast carcinomas status were not identified, which were determining appropriate treatment strategy, affecting the prognosis. In this study, we undertook a comparative study of the marker GATA3 and GCDFP15 and MGB in clinically useful groups of paired primary and metastatic breast cancer...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28035628/effects-of-histidine-and-sucrose-on-the-biophysical-properties-of-a-monoclonal-antibody
#14
Youngbin Baek, Nripen Singh, Abhiram Arunkumar, Andrew L Zydney
PURPOSE: Histidine is a commonly used buffer in formulation of monoclonal antibodies (mAb), often with excipients like sucrose. The objective of this study was to examine the effects of both histidine and sucrose on the biophysical characteristics of a mAb. METHODS: The hydrodynamic radius of the mAb was determined by dynamic light scattering and confirmed by size exclusion chromatography. Data were also obtained for the osmotic virial coefficients (from osmotic pressure measurements), the solution viscosity, and the mAb thermal stability (using differential scanning calorimetry) at selected conditions...
December 29, 2016: Pharmaceutical Research
https://www.readbyqxmd.com/read/28028974/myocardial-ischaemia-coronary-atherosclerosis-and-pulmonary-pressure-elevation-in-antiphospholipid-syndrome-patients
#15
Agnieszka Padjas, Wojciech Płazak, Magdalena Celińska-Lowenhoff, Adam Mazurek, Carlo Perricone, Piotr Podolec, Jacek Musiał
BACKGROUND: Thrombotic events in antiphospholipid syndrome (APS) involve venous and arterial circulation with the possible involvement of coronary or pulmonary microcirculation. OBJECTIVES: To evaluate the influence of antiphospholipid antibodies (aPL) and on myocardial ischaemia assessed by single-photon emission computerized tomography (SPECT), coronary atherosclerosis assessed by multidetector computerized tomography (MDCT) and pulmonary pressure assessed by transthoracic echocardiography (TTE) in patients with primary antiphospholipid syndrome (PAPS)...
November 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28018355/biophysical-and-functional-characterization-of-rhesus-macaque-igg-subclasses
#16
Austin W Boesch, Nana Yaw Osei-Owusu, Andrew R Crowley, Thach H Chu, Ying N Chan, Joshua A Weiner, Pranay Bharadwaj, Rufus Hards, Mark E Adamo, Scott A Gerber, Sarah L Cocklin, Joern E Schmitz, Adam R Miles, Joshua W Eckman, Aaron J Belli, Keith A Reimann, Margaret E Ackerman
Antibodies raised in Indian rhesus macaques [Macaca mulatta (MM)] in many preclinical vaccine studies are often evaluated in vitro for titer, antigen-recognition breadth, neutralization potency, and/or effector function, and in vivo for potential associations with protection. However, despite reliance on this key animal model in translation of promising candidate vaccines for evaluation in first in man studies, little is known about the properties of MM immunoglobulin G (IgG) subclasses and how they may compare to human IgG subclasses...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/28011843/histological-evidence-of-inflammatory-reaction-associated-with-fibrosis-in-the-atrial-and-ventricular-walls-in-a-case-control-study-of-patients-with-history-of-atrial-fibrillation
#17
Lubov B Mitrofanova, Victoria Orshanskaya, Siew Yen Ho, Pyotr G Platonov
AIMS: Chronic inflammation in the atrial myocardium was shown to play an important role in the development of atrial fibrosis in patients with atrial fibrillation (AF). However, it is not clear to what extent atrial inflammatory reaction associated with AF extends on the ventricular myocardium. Our aim was to assess the extent of fibrosis and lymphomononuclear infiltration in human ventricular myocardium and explore its association with AF. METHODS AND RESULTS: Medical records from consecutive autopsies were checked for presence of AF...
December 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28009413/role-of-dextran-in-maintaining-adhesive-and-stiffness-properties-of-prestripped-dmek-lenticules
#18
Mohit Parekh, Alessandro Ruzza, Rosa Di Mundo, Stefano Ferrari, Giuseppina Recchia, Hossein Elbadawy, Giuseppe Carbone, Diego Ponzin
PURPOSE: To investigate the adhesive and stiffness properties of prestripped Descemet membrane endothelial keratoplasty (DMEK) lenticules in different preservation conditions (with and without dextran). METHODS: The study included 3 conditions: (C1) tissues collected from tissue culture media (TCM), stripped and preserved in TCM; (C2) tissues collected from transport media (TM) (TCM supplemented with 6% dextran T-500), stripped and preserved in TM; and (C3) tissues collected from TCM, stripped and preserved in TM...
November 25, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28008990/experimental-immunological-demyelination-enhances-regeneration-in-autograft-repaired-long-peripheral-nerve-gaps
#19
Jun Ge, Shu Zhu, Yafeng Yang, Zhongyang Liu, Xueyu Hu, Liangliang Huang, Xin Quan, Meng Wang, Jinghui Huang, Yunqing Li, Zhuojing Luo
Peripheral nerve long gap defects are a clinical challenge in the regeneration field. Despite the wide variety of surgical techniques and therapies, autografting is the "gold standard" for peripheral nerve gap reconstruction. The pathological process of Wallerian degeneration from the time of acute injury to efficient regeneration requires several weeks. Regeneration time is critical for nerve reconstruction. Immunological demyelination induced by anti-galactocerebroside antibodies plus guinea pig complement was used to shorten the treatment time...
December 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27999737/immunotherapies-targeting-cd38-in-multiple-myeloma
#20
REVIEW
Djordje Atanackovic, Mary Steinbach, Sabarinath Venniyil Radhakrishnan, Tim Luetkens
Recently, the monoclonal antibody daratumumab was approved as a single agent for the treatment of patients with relapsed/refractory Multiple Myeloma (MM). Daratumumab is an antibody targeting surface molecule CD38 on myeloma cells and the agent is already widely being used based on its good tolerability and proven efficacy. We believe, however, that the efficacy of this drug and other anti-CD38 monoclonal antibodies can be further improved by combining it with other types of immunotherapies. Furthermore, surface molecule CD38 can be used as a target for immunotherapies other than just naked monoclonal antibodies...
2016: Oncoimmunology
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