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https://www.readbyqxmd.com/read/29213997/cloning-optimization-of-induction-conditions-and-purification-of-mycobacterium-tuberculosis-rv1733c-protein-expressed-in-escherichia-coli
#1
Mitra Ashayeri-Panah, Fereshteh Eftekhar, Bahram Kazemi, Joan Joseph
Background and Objectives: Rv1733c is a latency antigen from Mycobacterium tuberculosis, a probable integral-membrane protein with promiscuous T-cell and B-cell epitopes, making it a potential vaccine candidate against tuberculosis. This study aimed to clone and optimize the expression of recombinant Rv1733c in Escherichia coli for purification. Materials and Methods: Chemically synthesized rv1733c coding sequence was cloned in pET-23a(+) followed by transforming E...
April 2017: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/29211358/chest-hrct-findings-in-patients-with-primary-sj%C3%A3-gren-s-syndrome
#2
Agata Sebastian, Maria Misterska-Skóra, Jurand Silicki, Maciej Sebastian, Piotr Wiland
BACKGROUND: Pulmonary manifestations (PMs) in primary Sjögren's syndrome (pSS) are among the most frequent extraglandular complications, with reported prevalence varying widely (9-75%), depending on the methods of detection. OBJECTIVES: The aim of this study was to assess the incidence of PMs in pSS and to determine the factors predisposing to the occurrence of this complication. MATERIAL AND METHODS: The study group consisted of 68 patients with pSS...
October 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29209558/development-and-clinical-application-of-anti-her2-monoclonal-and-bispecific-antibodies-for-cancer-treatment
#3
REVIEW
Shengnan Yu, Qian Liu, Xinwei Han, Shuang Qin, Weiheng Zhao, Anping Li, Kongming Wu
HER2-targeted immunotherapy consists of monoclonal antibodies (e.g. trastuzumab, pertuzumab), bispecific antibodies (e.g. MM-111, ertumaxomab) and activated T cells armed with anti-HER2 bispecific antibody (HER2Bi-aATC). Trastuzumab is a classic drug for the treatment of HER2 positive metastatic breast cancer. The combined application of pertuzumab, trastuzumab and paclitaxel has been suggested as a standard therapy for HER2 positive advanced breast cancer. The resistance to anti-HER2 antibody has resulted in disease progression...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/29208938/oncolytic-virotherapy-as-an-immunotherapeutic-strategy-for-multiple-myeloma
#4
REVIEW
Daniel E Meyers, Satbir Thakur, Chandini M Thirukkumaran, Don G Morris
Multiple Myeloma (MM), a clonal malignancy of antibody-producing plasma cells, is the second most common hematologic malignancy and results in significant patient morbidity and mortality. The high degree of immune dysregulation in MM, including T cell imbalances and up-regulation of immunosuppressive checkpoint proteins and myeloid derived suppressor cells, allows this malignancy to escape from host immune control. Despite advances in the therapeutic landscape of MM over the last decade, including the introduction of immunomodulatory drugs, the prognosis for this disease is poor, with less than 50% of patients surviving 5 years...
December 5, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/29208701/interleukin-23-regulates-interleukin-17-expression-in-wounds-and-its-inhibition-accelerates-diabetic-wound-healing-through-the-alteration-of-macrophage-polarization
#5
James Lee, Mathieu Paul Rodero, Jatin Patel, Davide Moi, Roberta Mazzieri, Kiarash Khosrotehrani
Inflammation is a critical phase in the healing of skin wounds. Excessive inflammation and inflammatory macrophages are known to cause impaired wound closure and outcome. This prompted us to test the role of IL-23 in IL-17 expression and in modulating wound inflammation and macrophage polarization. Full-thickness wounds (4 × 6 mm) were created on the dorsal surface of multiple genetically modified mouse models. Obese diabetic mouse wounds were treated with anti-IL-17A, anti-IL-23, or isotype-matched antibodies...
December 5, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29207994/the-functional-and-molecular-studies-on-involvement-of-hydrogen-sulphide-in-myometrial-activity-of-non-pregnant-buffaloes-bubalus-bubalis
#6
Sooraj V Nair, Vipin Sharma, Abhishek Sharma, Udayraj P Nakade, Pooja Jaitley, Karikalan Mathesh, Soumen Choudhury, Satish Kumar Garg
BACKGROUND: Hydrogen sulphide (H2S), a member of the gasotransmitters family, is known to play patho-physiological role in different body systems including during pregnancy. But its involvement in myometrial spontaneity and associated signalling pathways in uterus in non-pregnant animals is yet to be studied. Present study describes the effect of L-cysteine, an endogenous H2S donor, on isolated myometrial strips of non-pregnant buffaloes and the underlying signaling mechanism(s). RESULTS: L-cysteine (10 nM-30 mM) produced concentration-dependent contractile effect on buffalo myometrium which was extracellular Ca2+ and L-type calcium channels-dependent...
December 6, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29198097/hbsag-negative-anti-hbc-negative-patients-still-have-a-risk-of-hepatitis-b-virus%C3%A2-related-hepatitis-after-autologous-stem-cell-transplantation-for-multiple-myeloma-or-malignant-lymphoma
#7
Hyunsung Park, Do Young Kim, Soo-Jeong Kim, Haerim Chung, Hyunsoo Cho, Ji Eun Jang, June-Won Cheong, Yoo Hong Min, Jae-Woo Song, Jin Seok Kim
Purpose: Although hepatitis B surface antigen (HBsAg)-negative, hepatitis B core antibody (anti-HBc)-negative patients are not considered to be at risk for hepatitis B virus (HBV)-related hepatitis, the actual risk remains to be elucidated. This study aimed to evaluate the risk of HBV-related hepatitis in HBsAg-negative, anti-HBc-negative patients receiving autologous stem cell transplantation (ASCT) for multiple myeloma (MM) or malignant lymphoma. Materials and Methods: We retrospectively reviewed data from 271 HBsAg-negative patients (161 anti-HBc-negative and 110 anti-HBc-positive at the time of ASCT) who received ASCT for MM or lymphoma...
December 4, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29196268/developing-3d-microscopy-with-clarity-on-human-brain-tissue-towards-a-tool-for-informing-and-validating-mri-based-histology
#8
Markus Morawski, Evgeniya Kirilina, Nico Scherf, Carsten Jäger, Katja Reimann, Robert Trampel, Filippos Gavriilidis, Stefan Geyer, Bernd Biedermann, Thomas Arendt, Nikolaus Weiskopf
Recent breakthroughs in magnetic resonance imaging (MRI) enabled quantitative relaxometry and diffusion-weighted imaging with sub-millimeter resolution. Combined with biophysical models of MR contrast the emerging methods promise in vivo mapping of cyto- and myelo-architectonics, i.e., in vivo histology using MRI (hMRI) in humans. The hMRI methods require histological reference data for model building and validation. This is currently provided by MRI on post mortem human brain tissue in combination with classical histology on sections...
November 28, 2017: NeuroImage
https://www.readbyqxmd.com/read/29195116/pd-l1-status-does-not-predict-the-outcome-of-braf-inhibitor-therapy-in-metastatic-melanoma
#9
Katrin Schaper-Gerhardt, Steven Okoye, Rudolf Herbst, Jens Ulrich, Patrick Terheyden, Claudia Pföhler, Jochen S Utikal, Alexander Kreuter, Peter Mohr, Edgar Dippel, Imke Satzger, Antje Sucker, Dirk Schadendorf, Selma Ugurel, Ralf Gutzmer
BACKGROUND: Targeted therapies with BRAF plus MEK inhibitors (BRAFi; MEKi) represent the major treatment strategy for patients with BRAF-mutated metastatic melanoma (MM). Previous analyses suggested a correlation between programmed death-ligand 1 (PD-L1) expression in tumour tissues and the outcome of targeted therapies. This study investigated PD-L1 as a potential predictive biomarker of BRAFi-based targeted therapies in MM patients. PATIENTS AND METHODS: We analysed two independent cohorts of BRAF V600-mutated MM patients undergoing BRAFi-based therapies for PD-L1 expression in pre-treatment tumour tissues...
November 28, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29192016/comparative-efficacy-of-daratumumab-monotherapy-and-pomalidomide-plus-low-dose-dexamethasone-in-the-treatment-of-multiple-myeloma-a-matching-adjusted-indirect-comparison
#10
Suzy Van Sanden, Tetsuro Ito, Joris Diels, Martin Vogel, Andrew Belch, Albert Oriol
BACKGROUND: Daratumumab (a human CD38-directed monoclonal antibody) and pomalidomide (an immunomodulatory drug) plus dexamethasone are both relatively new treatment options for patients with heavily pretreated multiple myeloma. A matching adjusted indirect comparison (MAIC) was used to compare absolute treatment effects of daratumumab versus pomalidomide + low-dose dexamethasone (LoDex; 40 mg) on overall survival (OS), while adjusting for differences between the trial populations...
November 30, 2017: Oncologist
https://www.readbyqxmd.com/read/29189289/meibomian-glands-and-ocular-surface-changes-after-closure-of-meibomian-gland-orifices-in-rabbits
#11
Youngsub Eom, Ji Yun Han, Boram Kang, Ho Sik Hwang, Hyung Keun Lee, Hyo Myung Kim, Jong Suk Song
PURPOSE: To investigate changes in the corneal surface, tear film, and meibomian glands after meibomian gland orifice closure. METHODS: Seventy-two eyes of 36 rabbits were used. In the study group (n = 36), the meibomian gland orifices of both upper and lower eyelids in the right eyes were electrosurgically coagulated. The 36 untreated left eyes were used as controls. Corneal wetting properties were measured 1, 3, 7, and 14 days after coagulation. The eyelid sections were stained with anti-cytokeratin (CK)1, CK5, and CK6 antibody 8 weeks after coagulation...
November 16, 2017: Cornea
https://www.readbyqxmd.com/read/29182679/the-extracellular-matrix-protein-edil3-stimulates-osteoblast-differentiation-through-the-integrin-%C3%AE-5%C3%AE-1-erk-runx2-pathway
#12
Sin-Hye Oh, Jung-Woo Kim, Yuri Kim, Mi Nam Lee, Min-Suk Kook, Eun Young Choi, Suhn-Young Im, Jeong-Tae Koh
Epidermal growth factor-like repeats and discoidin I-like domain 3 (Edil3) is an extracellular matrix protein containing an Arg-Gly-Asp (RGD) motif that binds integrin. Recently, Edil3 has been implicated in various biological processes, including angiogenesis and cellular differentiation. It can inhibit inflammatory bone destruction. The objective of this study was to explore the role of Edil3 in osteoblast differentiation and its underlying molecular mechanisms. In wild-type mice, high expression levels of Edil3 mRNA were observed in isolated calvaria and tibia/femur bones...
2017: PloS One
https://www.readbyqxmd.com/read/29174802/targeting-signaling-pathways-in-multiple-myeloma-pathogenesis-and-implication-for-treatments
#13
Jingping Hu, Wei-Xin Hu
Multiple myeloma (MM), which is characterized by osteolytic bone lesions, anemia, hypercalcemia, and renal failure, accounts for approximately 10% of all hematologic malignancies. Although the therapeutic landscape of MM has evolved spectacularly over the past decades with 5-year median survival over 50%, most of these patients relapse eventually. The widely recognized therapeutic approaches include chemotherapy, radiation, stem cell transplant, and monoclonal antibody therapy. Former studies have implied that the proliferation, survival, migration and drug resistance of MM cells are in association with the activation of several signaling pathways...
November 21, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29163516/restoring-natural-killer-cell-immunity-against-multiple-myeloma-in-the-era-of-new-drugs
#14
REVIEW
Gianfranco Pittari, Luca Vago, Moreno Festuccia, Chiara Bonini, Deena Mudawi, Luisa Giaccone, Benedetto Bruno
Transformed plasma cells in multiple myeloma (MM) are susceptible to natural killer (NK) cell-mediated killing via engagement of tumor ligands for NK activating receptors or "missing-self" recognition. Similar to other cancers, MM targets may elude NK cell immunosurveillance by reprogramming tumor microenvironment and editing cell surface antigen repertoire. Along disease continuum, these effects collectively result in a progressive decline of NK cell immunity, a phenomenon increasingly recognized as a critical determinant of MM progression...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29159320/immunogenicity-and-persistence-of-the-13-valent-pneumococcal-conjugate-vaccine-pcv13-in-patients-with-untreated-smoldering-multiple-myeloma-smm-a-pilot-study
#15
Mathilde Bahuaud, Hélène Bodilis, Marion Malphettes, Anaïs Maugard Landre, Caroline Matondo, Didier Bouscary, Frédéric Batteux, Odile Launay, Jean-Paul Fermand
Smoldering multiple myeloma (SMM) is an asymptomatic clonal plasma cell disorder that frequently progress to multiple myeloma (MM), a disease at high risk of pneumococcal infections. Moreover, if the polysaccharide vaccine is poorly immunogenic in MM, the 13-valent conjugated vaccine has never been tested in clonal plasma cell disorders. We evaluated its immunogenicity for 7 serotypes in 20 patients ≥ 50 years of age with smoldering multiple myeloma (SMM) pre and post routine-vaccination with PCV13. Concentrations of IgG specific for 7 serotypes were measured at baseline, 1, 6, and 12 months after vaccination by standardized ELISA and an Opsonophagocytic Assay (OPA)...
November 2017: Heliyon
https://www.readbyqxmd.com/read/29158822/liposomal-64-cu-pet-imaging-of-anti-vegf-drug-effects-on-liposomal-delivery-to-colon-cancer-xenografts
#16
Stephanie J Blocker, Kirk A Douglas, Lisa Anne Polin, Helen Lee, Bart S Hendriks, Enxhi Lalo, Wei Chen, Anthony F Shields
Liposomes (LP) deliver drug to tumors due to enhanced permeability and retention (EPR). LP were labeled with (64)Cu for positron emission tomography (PET) to image tumor localization. Bevacizumab (bev), a VEGF targeted antibody, may modify LP delivery by altering tumor EPR and this change can also be imaged. Objective: Assess the utility of (64)Cu-labeled LP for PET in measuring altered LP delivery early after treatment with bev. Methods: HT-29 human colorectal adenocarcinoma tumors were grown subcutaneously in SCID mice...
2017: Theranostics
https://www.readbyqxmd.com/read/29158362/cd38-bispecific-antibody-pretargeted-radioimmunotherapy-for-multiple-myeloma-and-other-b-cell-malignancies
#17
Damian J Green, Shyril O'Steen, Yukang Lin, Melilssa L Comstock, Aimee L Kenoyer, Donald K Hamlin, D Scott Wilbur, Darrell R Fisher, Margaret Nartea, Mark D Hylarides, Ajay K Gopal, Theodore A Gooley, Johnnie J Orozco, Brian G Till, Kelly D Orcutt, K Dane Wittrup, Oliver W Press
Pretargeted radioimmunotherapy (PRIT) has demonstrated remarkable efficacy targeting tumor antigens, but immunogenicity and endogenous biotin blocking may limit clinical translation. We describe a new PRIT approach for the treatment of Multiple Myeloma (MM) and other B cell malignancies, for which we developed an anti-CD38 bispecific fusion protein that eliminates endogenous biotin interference and immunogenic elements. In murine xenograft models of MM and non-Hodgkin lymphoma (NHL), the CD38 bispecific construct demonstrated excellent blood clearance and tumor targeting...
November 20, 2017: Blood
https://www.readbyqxmd.com/read/29150737/risk-of-active-tuberculosis-in-patients-with-inflammatory-arthritis-receiving-tnf-inhibitors-a-look-beyond-the-baseline-tuberculosis-screening-protocol
#18
Alina Soare, Ana Maria Gheorghiu, Victoria Aramă, Dragoș Bumbăcea, Rucsandra Dobrotă, Raida Oneaţă, Simona Pintilie, Mihaela Milicescu, Ioan Ancuţa, Andrei Martin, Mariana Sasu, Claudia Ciofu, Liviu Macovei, Victor Stoica, Mihai Bojincă, Carina Mihai
Tuberculosis (TB) is a major concern in patients receiving TNF inhibitors (TNFi). This study aimed to assess the incidence of active TB and the efficacy of TB prevention measures used over the years, and to determine risk factors for developing TB, in a single-centre cohort of patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA) and ankylosing spondylitis (AS) receiving TNFi. Data of all patients in whom treatment with TNFi was initiated in our rheumatology clinic until December 1st 2014 have been retrospectively analysed...
November 17, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29147606/temporal-and-spatial-heterogeneity-of-programmed-cell-death-1-ligand-1-expression-in-malignant-mesothelioma
#19
Simone B S P Terra, Aaron S Mansfield, Haidong Dong, Tobias Peikert, Anja C Roden
Background: Programmed Cell Death 1-Ligand 1 (PD-L1) and Programmed Death Protein 1 (PD-1) blocking antibodies are promising immunotherapies for malignancies. We have previously shown PD-L1 expression in 40% of malignant mesothelioma (MM); however, the temporal and spatial heterogeneity of its expression has not been thoroughly studied. We compared PD-L1 expression between paired primary and metastatic MM. Design: Pathology files (1995-2016) were searched for MM with tissue from multiple sites and/or time points...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29141790/cerebral-toxoplasmosis-in-an-ms-patient-receiving-fingolimod
#20
Alejandro Enriquez-Marulanda, Jaime Valderrama-Chaparro, Laura Parrado, Juan Diego Vélez, Ana Maria Granados, Jorge Luis Orozco, Jairo Quiñones
Multiple Sclerosis (MS) is an autoimmune disease in which lymphocytes target putative myelin antigens in the CNS, causing inflammation and neurodegeneration. Fingolimod (FTY720) is an immunosuppressive drug used as a second line therapy for relapsing forms of MS due to its safety profile and good response to treatment. Despite its safety, there are still concerns about the possibility of Fingolimod being linked to the development of opportunistic infections like disseminated varicella zoster infections and herpes simplex encephalitis...
November 2017: Multiple Sclerosis and related Disorders
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