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https://www.readbyqxmd.com/read/28431262/immunologic-approaches-for-the-treatment-of-multiple-myeloma
#1
REVIEW
Leo Rasche, Niels Weinhold, Gareth J Morgan, Frits van Rhee, Faith E Davies
The FDA approval of two monoclonal antibodies in 2015has heralded a new era of targeted immunotherapies for multiple myeloma (MM). In this review we discuss the recent approaches using different immunological components to treat MM. In particular, we review current monoclonal antibody based therapies, engineered T- and NK cell products, 'off-target' immunomodulation, and strategies utilizing allogeneic cell transplantation in MM. We discuss how an immunologic approach offers promise for the treatment of this genetically heterogeneous disease, and how patients with acquired drug resistance may particularly benefit from these therapies...
April 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28428694/a-microarray-immunoassay-for-serum-thyrotropin-and-thyroglobulin-using-antibodies-immobilized-on-track-etched-membranes
#2
Bharti Jain, J Kumarasamy, Chandrakala Gholve, Savita Kulkarni, M G R Rajan
Serum thyroglobulin (Tg) and thyroid stimulating hormone (TSH) measurements have evolved as important analytes for monitoring the prognosis of patients with differentiated thyroid cancer, post-thyroidectomy. Individual analyte immunoassay is the current practice in clinical pathology, but the simultaneous assay for all relevant analytes for a given disease, can reduce assay costs, improve patient compliance and give the clinician more information for an unequivocal diagnosis. Microarray immunoassay (MI) can achieve this goal and, hence, we have developed and validated a immuno-radiometric MI for quantitation of serum TSH and Tg by using highly micro-porous polycarbonate (PC) track-etched membranes (TEM) to immobilize the monoclonal anti-TSH and polyclonal anti-Tg antibodies in ~1 mm diameter spots...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28419141/ghrelin-is-a-prognostic-marker-and-a-potential-therapeutic-target-in-breast-cancer
#3
Malin Grönberg, Cecilia Ahlin, Ylva Naeser, Eva Tiensuu Janson, Lars Holmberg, Marie-Louise Fjällskog
Ghrelin and obestatin are gastrointestinal peptides, encoded by the same preproghrelin gene. Both are expressed in breast cancer tissue and ghrelin has been implicated in breast cancer tumorigenesis. Despite recent advances in breast cancer management the need for new prognostic markers and potential therapeutic targets in breast cancer remains high. We studied the prognostic impact of ghrelin and obestatin in women with node negative breast cancer. Within a cohort of women with breast cancer with tumor size ≤ 50 mm, no lymph node metastases and no initiation of adjuvant chemotherapy, 190 women were identified who died from breast cancer and randomly selected 190 women alive at the corresponding time as controls...
2017: PloS One
https://www.readbyqxmd.com/read/28417905/analytical-criticalities-associated-to-different-immunological-methods-for-serum-free-light-chain-detection-in-plasma-cell-dyscrasias-a-description-of-particular-clinical-cases
#4
Rocco Sabatino, Antonio Perrone, Marco Cuomo, Sandra Liotti, Vittoria Barchiesi, Monica Cantile, Ernesta Cavalcanti
Current criteria for differential diagnosis of multiple myeloma (MM), Monoclonal gammopathy of undetermined significance (MGUS), and smoldering multiple myeloma (SMM) are included in the 2003 guidelines by the International Myeloma Working Group (IMWG). An updated version was then published in 2014, highlighting the importance of serum free light chain (sFLC) detection, as well as the κ/λ ratio as excellent indicators of clonality. At present, two commercial assays for sFLC quantification are available: the Freelite™ assay and the N-Latex assay...
April 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28416425/-bilateral-facial-nerve-palsy-associated-with-epstein-barr-virus-infection-in-a-3-year-old-boy
#5
M Grassin, A Rolland, N Leboucq, A Roubertie, F Rivier, P Meyer
Bilateral facial nerve palsy is a rare and sometimes difficult diagnosis. We describe a case of bilateral simultaneous facial nerve palsy associated with Epstein-Barr virus (EBV) infection in a 3-year-old boy. Several symptoms led to the diagnosis of EBV infection: the clinical situation (fever, stomachache, and throat infection), white blood cell count (5300/mm(3) with 70% lymphocyte count), seroconversion with EBV-specific antibodies, lymphocytic meningitis, and a positive blood EBV polymerase chain reaction (9...
April 14, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28415715/epha3-acts-as-proangiogenic-factor-in-multiple-myeloma
#6
Antonella Caivano, Francesco La Rocca, Ilaria Laurenzana, Tiziana Annese, Roberto Tamma, Ubaldo Famigliari, Vittorio Simeon, Stefania Trino, Luciana De Luca, Oreste Villani, Simona Berardi, Antonio Basile, Angelo Vacca, Giuseppe Saglio, Luigi Del Vecchio, Pellegrino Musto, Daniela Cilloni
This study investigates the role of ephrin receptor A3 (EphA3) in the angiogenesis of Multiple Myeloma (MM) and the effects of a selective target of EphA3 by a specific monoclonal antibody on primary bone marrow endothelial cells (ECs) of MM patients.EphA3 mRNA and protein were evaluated in ECs of MM patients (MMECs), in ECs of patients with monoclonal gammopathies of undetermined significance (MGECs) and in ECs of healthy subjects (control ECs). The effects of EphA3 targeting by mRNA silencing (siRNA) or by the anti EphA3 antibody on the angiogenesis were evaluated...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414714/excess-atherosclerosis-in-systemic-lupus-erythematosus-a-matter-of-renal-involvement-case-control-study-of-281-sle-patients-and-281-individually-matched-population-controls
#7
Johanna T Gustafsson, Marie Herlitz Lindberg, Iva Gunnarsson, Susanne Pettersson, Kerstin Elvin, John Öhrvik, Anders Larsson, Kerstin Jensen-Urstad, Elisabet Svenungsson
BACKGROUND: Systemic lupus erythematosus (SLE), is a heterogeneous disease which predominantly affects young females (90%). SLE is associated with a shorter life expectancy than in the general population. Standardized mortality ratios (SMR) of 2.4 have been reported, which is comparable to diabetes. In modern societies cardiovascular disease (CVD) is the major cause of premature mortality. Accelerated atherosclerosis is generally assumed to be the underlying cause for SLE related CVD...
2017: PloS One
https://www.readbyqxmd.com/read/28413390/a-serous-cystic-neoplasm-of-the-pancreas-coexisting-with-high-grade-pancreatic-intraepithelial-neoplasia-mimicking-an-intraepithelial-papillary-mucinous-neoplasm-a-case-report
#8
Aya Kawanishi, Kenichi Hirabayashi, Hirotaka Kono, Yumi Takanashi, Atsuko Hadano, Yohei Kawashima, Masami Ogawa, Yoshiaki Kawaguchi, Misuzu Yamada, Toshio Nakagohri, Naoya Nakamura, Tetsuya Mine
Serous cystic neoplasms of the pancreas are rare exocrine pancreatic neoplasms, most of which are benign and do not communicate with the pancreatic duct. Pancreatic intraepithelial neoplasm (PanIN) is considered a precursor of ductal adenocarcinoma that is microscopically recognized in pancreatic ducts. A 67-year-old Japanese woman presented with a 10-mm multilocular cystic lesion at the pancreatic body. Magnetic resonance pancreatography showed stenosis of the main pancreatic duct at the pancreatic body and dilatation of the distal side of the main pancreatic duct...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28410549/evaluation-of-factors-influencing-antibody-reduction-for-development-of-antibody-drug-conjugates
#9
Meghdad Abdollahpour-Alitappeh, Majid Lotfinia, Sepand Razavi-Vakhshourpour, Saeed Jahandideh, Hamid Najminejad, Koushan Sineh Sepehr, Reza Moazami, Elnaz Shams, Mahdi Habibi-Anbouhi, Mohsen Abolhassani
Background: Reduction/alkylation is one of the leading strategies for the development of antibody drug conjugates (ADCs). Precise control of the reduction process would not only yield a defined number of free thiols per antibody but also result in development of more homogenous conjugates. Methods: In the present study, we investigated the effect of various dithiothreitol (DTT) concentrations, temperature conditions, and DTT exposure times on antibody reduction...
April 15, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28406988/peptide-probes-derived-from-pertuzumab-by-molecular-dynamics-modeling-for-her2-positive-tumor-imaging
#10
Xiaoliang Yang, Zihua Wang, Zhichu Xiang, Dan Li, Zhiyuan Hu, Wei Cui, Lingling Geng, Qiaojun Fang
A high level of HER2 expression in breast cancer correlates with a higher tumor growth rate, high metastatic potential, and a poor long-term patient survival rate. Pertuzumab, a human monoclonal antibody, can reduce the effect of HER2 overexpression by preventing HER2 dimerization. In this study, a combination protocol of molecular dynamics modeling and MM/GBSA binding free energy calculations was applied to design peptides that interact with HER2 based on the HER2/pertuzumab crystal structure. Based on a β hairpin in pertuzumab from Glu46 to Lys65-which plays a key role in interacting with HER2-mutations were carried out in silico to improve the binding free energy of the hairpin that interacts with the Phe256-Lys314 of the HER2 protein...
April 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28393447/anti-cd40-antibody-mediated-costimulation-blockade-promotes-long-term-survival-of-deep-lamellar-porcine-corneal-grafts-in-non-human-primates
#11
Jaeyoung Kim, Dong Hyun Kim, Hyuk Jin Choi, Hyun Ju Lee, Hee Jung Kang, Chung-Gyu Park, Eung-Soo Hwang, Mee Kum Kim, Won Ryang Wee
BACKGROUND: Corneal xenotransplantation is an effective solution for the shortage of human donor corneas, and the porcine cornea may be a suitable candidate for the donor cornea because of its optical similarity with humans. However, it is necessary to administer additional immunosuppressants to overcome antigenic differences. We aimed to investigate the feasibility of porcine corneas with anti-CD40 antibody-mediated costimulation blockade in a clinically applicable pig-to-non-human primate corneal xenotransplantation model...
April 10, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28387776/enhanced-detection-of-quantum-dots-by-the-magnetohydrodynamic-effect-for-electrochemical-biosensing
#12
Daniel Martín-Yerga, Pablo Fanjul-Bolado, David Hernández-Santos, Agustín Costa-García
In this work, we describe the use of a magnetoelectrochemical support for screen-printed electrodes to improve the anodic stripping voltammetry of cadmium due to the generated magnetohydrodynamic (MHD) effect. To create a significant MHD effect, Fe(iii) was added at mM concentrations to the solution. The reduction of Fe(iii) simultaneously with the cadmium deposition on the electrode surface allowed the production of a high cathodic current, which generated a large Lorentz force capable of exerting a convective effect on the solution in the presence of the magnetic field...
April 7, 2017: Analyst
https://www.readbyqxmd.com/read/28385907/endovascular-recanalisation-of-a-chronic-occlusion-of-the-retrohepatic-ivc-associated-to-a-filter-in-a-patient-with-antiphospholipid-syndrome
#13
Carlos A Hinojosa, Rene Lizola, Hugo Laparra-Escareno, Javier E Anaya-Ayala
Inferior vena cava (IVC) filters are useful adjuncts to prevent venous thromboembolism to the pulmonary circulation in the setting of contraindication for anticoagulation. Despite their proven decreased rate of pulmonary embolism, IVC filters are not without complications. We herein present the case of a 22-year-old man with a history of antiphospholipid antibody syndrome who was sent to our institution for evaluation with Budd-Chiari and post-thrombotic syndromes associated to a chronic retrohepatic complete IVC occlusion secondary to an IVC filter placed 5 years earlier...
April 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28374831/isolation-of-circulating-plasma-cells-in-multiple-myeloma-using-cd138-antibody-based-capture-in-a-microfluidic-device
#14
Mohammad A Qasaimeh, Yichao C Wu, Suman Bose, Anoop Menachery, Srikanth Talluri, Gabriel Gonzalez, Mariateresa Fulciniti, Jeffrey M Karp, Rao H Prabhala, Rohit Karnik
The necessity for bone marrow aspiration and the lack of highly sensitive assays to detect residual disease present challenges for effective management of multiple myeloma (MM), a plasma cell cancer. We show that a microfluidic cell capture based on CD138 antigen, which is highly expressed on plasma cells, permits quantitation of rare circulating plasma cells (CPCs) in blood and subsequent fluorescence-based assays. The microfluidic device is based on a herringbone channel design, and exhibits an estimated cell capture efficiency of ~40-70%, permitting detection of <10 CPCs/mL using 1-mL sample volumes, which is difficult using existing techniques...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28373875/roles-and-modalities-of-ectonucleotidases-in-remodeling-the-multiple-myeloma-niche
#15
Antonella Chillemi, Valeria Quarona, Luca Antonioli, Davide Ferrari, Alberto L Horenstein, Fabio Malavasi
Ectoenzymes are cell surface molecules, which represent functional bridges between the environment and the cytoplasm. One set of ectoenzymes-CD39, CD38, CD203a, and CD73-leads to the generation of adenosine (ADO) by metabolizing ATP and NAD(+). While ADO is known to control inflammation and suppress immune responses, other aspects of ADO function are still obscure, mainly due to its short half-life in biological fluids. Human multiple myeloma (MM) grows in the closed system of the bone marrow (BM) niche representing an ideal setting for studying ectoenzymes and their products...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28371311/low-glucose-concentrations-within-typical-industrial-operating-conditions-have-minimal-effect-on-the-transcriptome-of-recombinant-cho-cells
#16
Yogender Kumar Gowtham, Christopher A Saski, Sarah W Harcum
Typically, mammalian cell culture medium contains high glucose concentrations that are analogous to diabetic levels in humans, suggesting that mammalian cells are cultivated in excessive glucose. Using RNA-Seq, this study characterized the Chinese hamster ovary (CHO) cell transcriptome under two glucose concentrations to assess the genetic effects associated with metabolic pathways, in addition to other global responses. The initial extracellular glucose concentrations used represented high (30 mM) and low (10 mM) glucose conditions, where at the time the transcriptomes were compared, the glucose concentrations were approximately 24 and 4...
April 3, 2017: Biotechnology Progress
https://www.readbyqxmd.com/read/28362065/alcohol-use-viral-hepatitis-and-liver-fibrosis-among-hiv-positive-persons-in-west-africa-a-cross-sectional-study
#17
Antoine Jaquet, Gilles Wandeler, Marcellin Nouaman, Didier K Ekouevi, Judicaël Tine, Akouda Patassi, Patrick A Coffie, Aristophane Tanon, Moussa Seydi, Alain Attia, François Dabis
INTRODUCTION: Liver fibrosis is often the first stage of liver disease in people living with HIV (PLWHIV) in industrialized countries. However, little is known about liver fibrosis and its correlates among PLWHIV in sub-Saharan Africa. METHODS: The study was undertaken in three HIV referral clinics in Côte d'Ivoire, Senegal and Togo. Enrolled PLWHIV underwent a non-invasive assessment of liver fibrosis combining liver stiffness measure (LSM) with transient elastography and the aspartate aminotransferase-to-platelet ratio index (APRI)...
February 17, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28361969/heg1-is-a-novel-mucin-like-membrane-protein-that-serves-as-a-diagnostic-and-therapeutic-target-for-malignant-mesothelioma
#18
Shoutaro Tsuji, Kota Washimi, Taihei Kageyama, Makiko Yamashita, Mitsuyo Yoshihara, Rieko Matsuura, Tomoyuki Yokose, Yoichi Kameda, Hiroyuki Hayashi, Takao Morohoshi, Yukio Tsuura, Toshikazu Yusa, Takashi Sato, Akira Togayachi, Hisashi Narimatsu, Toshinori Nagasaki, Kotaro Nakamoto, Yasuhiro Moriwaki, Hidemi Misawa, Kenzo Hiroshima, Yohei Miyagi, Kohzoh Imai
The absence of highly specific markers for malignant mesothelioma (MM) has served an obstacle for its diagnosis and development of molecular-targeting therapy against MM. Here, we show that a novel mucin-like membrane protein, sialylated protein HEG homolog 1 (HEG1), is a highly specific marker for MM. A monoclonal antibody against sialylated HEG1, SKM9-2, can detect even sarcomatoid and desmoplastic MM. The specificity and sensitivity of SKM9-2 to MM reached 99% and 92%, respectively; this antibody did not react with normal tissues...
March 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28359405/distribution-and-number-of-cajal-like-cells-in-testis-tissue-with-azoospermia
#19
Eray Hasirci, Tahsin Turunc, Nebil Bal, Mehmet Resit Goren, Huseyin Celik, Enis Kervancioglu, Ayhan Dirim, Mustafa Agah Tekindal, Hakan Ozkardes
We investigated the number and distribution of Cajal-like cells in patients with azoospermia. A total of 99 patients with non-obstructive azoospermia were divided into subgroups [19 patientsin hypospermatogenesis group (S1), 40 patients in maturation arrest group (S2), 20 patients in a Sertoli cell-only syndrome (S3), and 20 patients in a testicular atrophy and fibrosis group (S4)], and 20 patients with obstructive azoospermia group (S0). Sections stained with a c-kit antibody were studied by light microscopy to determine the number and distribution of Cajal-like cells in peritubular and perivascular areas of testis...
April 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28349338/clinical-impact-of-preoperative-chemotherapy-on-microscopic-cancer-spread-surrounding-colorectal-liver-metastases
#20
Yujiro Nishioka, Junichi Shindoh, Ryuji Yoshioka, Wataru Gonoi, Hiroyuki Abe, Naoki Okura, Shuntaro Yoshida, Yoshihiro Sakamoto, Kiyoshi Hasegawa, Masashi Fukayama, Norihiro Kokudo
BACKGROUND: A potentially favorable effect of chemotherapy on the incidence of micrometastases has been reported in patients with colorectal liver metastases (CLMs); however, the actual influence of chemotherapy on the distribution of micrometastases and surgical curability remains unclear. METHOD: The clinical impact of preoperative chemotherapy on the incidence and distribution of micrometastases was assessed in 191 patients with 357 CLM nodules. Potential radiologic measures for predicting the extent of microscopic cancer spread and surgical curability were then sought among the size-based and non-size-based radiologic response criteria...
March 27, 2017: Annals of Surgical Oncology
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