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https://www.readbyqxmd.com/read/28806151/establishment-of-a-monoclonal-antibody-against-chgilz
#1
Zhiyuan He, Yongqiang Wang
The chicken glucocorticoid-induced leucine zipper (chGILZ) participates in the inflammation of avian immunosuppressive diseases. We aimed to establish a monoclonal antibody (MAb) against chGILZ and to investigate its distribution in clinical diagnosis. A gene cloned from chicken embryo fibroblast (CEF) cell was inserted into the expression vector pET-28a and pGEX-6p-1. The recombinant expression vectors were transformed into Escherichia coli BL21 (DE3). Then the recombinant proteins His-chGILZ and GST-chGILZ were successfully expressed and purified...
August 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28737577/vertebral-myeloma-mimicking-prostatic-carcinoma-metastasis-in-68ga-psma-pet-ct
#2
Esben Hoej Merrild, Steen Baerentzen, Kirsten Bouchelouche, Simon Buus
Ga-PSMA PET/CT was performed in a 75-year-old man with newly diagnosed prostate cancer because of an equivocal lesion in the spine both on Tc-bone-SPECT/CT and MRI. Because of increased PSMA activity on PET/CT, the bone lesion was interpreted as metastasis from prostate cancer. Later, the patient was diagnosed as having monoclonal gammopathy of unknown significance. A biopsy was performed, and histological examination revealed multiple myeloma with PSMA expression in the neovessels but no metastatic prostate cancer cells...
July 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28686535/prospective-evaluation-of-magnetic-resonance-imaging-and-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-at-diagnosis-and-before-maintenance-therapy-in-symptomatic-patients-with-multiple-myeloma-included-in-the-ifm-dfci-2009-trial-results
#3
Philippe Moreau, Michel Attal, Denis Caillot, Margaret Macro, Lionel Karlin, Laurent Garderet, Thierry Facon, Lotfi Benboubker, Martine Escoffre-Barbe, Anne-Marie Stoppa, Kamel Laribi, Cyrille Hulin, Aurore Perrot, Gerald Marit, Jean-Richard Eveillard, Florence Caillon, Caroline Bodet-Milin, Brigitte Pegourie, Veronique Dorvaux, Carine Chaleteix, Kenneth Anderson, Paul Richardson, Nikhil C Munshi, Herve Avet-Loiseau, Aurelie Gaultier, Jean-Michel Nguyen, Benoit Dupas, Eric Frampas, Françoise Kraeber-Bodere
Purpose Magnetic resonance imaging (MRI) and positron emission tomography-computed tomography (PET-CT) are important imaging techniques in multiple myeloma (MM). We conducted a prospective trial in patients with MM aimed at comparing MRI and PET-CT with respect to the detection of bone lesions at diagnosis and the prognostic value of the techniques. Patients and Methods One hundred thirty-four patients received a combination of lenalidomide, bortezomib, and dexamethasone (RVD) with or without autologous stem-cell transplantation, followed by lenalidomide maintenance...
July 7, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28684445/toward-a-gep-based-pet-in-myeloma
#4
Elena Zamagni, Michele Cavo
No abstract text is available yet for this article.
July 6, 2017: Blood
https://www.readbyqxmd.com/read/28677761/expression-and-purification-of-a-major-allergen-pla-a-1-from-platanus-acerifolia-pollen-and-the-preparation-of-its-monoclonal-antibody
#5
Wei-Wei Ni, Wen Huang, De-Qin Wu, Yan-Jun Zhou, Chun-Mei Ji, Meng-Da Cao, Miao Guo, Jin-Lu Sun, Ji-Fu Wei
Platanus acerifolia pollen is considered an important source of airborne allergens in numerous cities. Pla a 1 is a major allergen from P. acerifolia pollen. The present study aimed to express and purify Pla a 1, and to prepare its monoclonal antibody. In the present study, the Pla a 1 gene was subcloned into a pET‑28a vector and transformed into the ArcticExpress™ (DE3) RP Escherichia coli host strain. The purified Pla a 1 was then used to immunize BALB/c mice. When serum detection was positive, spleen cells were isolated from the mice and fused with SP2/0 myeloma cells at a ratio of 10:1...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28641668/-clinical-significance-and-detection-techniques-of-minimal-residual-disease-in-multiple-myeloma-review
#6
Qing Yu, Ju-Mei Shi, Yi Tao
The outcomes for the patients with multiple myeloma (MM) have been improved substantially in both progression-free survival and overall survival in the past decade. Many patients are now achieving a complete response to treatments. Extensive data indicate that the information about minimal residual disease (MRD) can be used potentially as a biomarker to evaluate the efficacy of different treatment strategies instead of overall survival. Consequently, highly sensitive assays have been already used in progress for detection of MRD in the patients with MM, such as multiparameter flow cytometry, polymerase chain reaction(PCR), next-generation sequencing and positron emission tomography/computed tomography...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28639953/impressive-paget-disease-of-the-lumbar-spine-masks-the-coexisting-multiple-myeloma
#7
Xiao Zhong, Yunxia Ye, Xiaohong Ou
Multimodality imaging, including MRI, bone scintigraphy, and FDG PET/CT, was performed to evaluate a 49-year-old man who had right hip and lower limb pain for 4 months because possible malignancy was suspected. All 3 modalities showed obvious Paget disease of the lumbar spine. However, less impressive increased activity was also noted on FDG PET/CT images. Subsequent laboratory tests and pathology examination leads to diagnosis of multiple myeloma. Our case further confirms the notion that it is insufficient to focus on the most obvious and unintentionally overlook the less impressive findings in interpreting nuclear medicine images...
September 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28592756/cea-producing-multiple-myeloma-with-meningeal-invasion-during-relapse
#8
Mayumi Hatsuse, Shin-Ichi Fuchida, Akira Okano, Satoshi Murakami, Chihiro Shimazaki
Here we describe the case of a 62-year-old woman diagnosed with multiple myeloma (IgA-κ type) who had a high serum CEA level of 27.7 ng/ml. Upper and lower gastrointestinal endoscopy and PET/CT scan showed no abnormality. After two courses of VAD therapy, the serum CEA level decreased to 5.7 ng/ml, with a decrease in the IgA level, suggesting the diagnosis of CEA-producing myeloma. After 4 years and 1 month, she had a relapse with an increase in the LDH level and myeloma cells in the blood, followed by cognitive loss and convulsion...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28573863/cd38-as-a-pet-imaging-target-in-lung-cancer
#9
Emily B Ehlerding, Christopher G England, Dawei Jiang, Stephen A Graves, Lei Kang, Saige Lacognata, Todd E Barnhart, Weibo Cai
Daratumumab (Darzalex, Janssen Biotech) is a clinically approved antibody targeting CD38 for the treatment of multiple myeloma. However, CD38 is also expressed by other cancer cell types, including lung cancer, where its expression or absence may offer prognostic value. We therefore developed a PET tracer based upon daratumumab for tracking CD38 expression, utilizing murine models of non-small cell lung cancer to verify its specificity. Daratumumab was prepared for radiolabeling with (89)Zr (t1/2 = 78.4 h) through conjugation with desferrioxamine (Df)...
July 3, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28573329/therapy-assessment-in-multiple-myeloma-with-pet
#10
REVIEW
Cristina Nanni, Elena Zamagni
Multiple myeloma is a plasma cell dyscrasia producing bone lytic lesions. In recent years, a wide spectrum of therapeutic approaches are available to treat the disease: an accurate therapy assessment has, therefore, become of utmost importance. In this field, imaging is becoming a cornerstone, especially in association with clinical parameters. Among imaging procedures, FDG PET/CT is recognized to provide reliable information, achieved in a very safe and fast procedure.  The literature has produced very concordant results from different groups assessing the value of FDG PET/CT as a prognostic factor in general and in therapy assessment, but some issues remain regarding a standardization of image interpretation especially in borderline cases...
August 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28571247/extramedullary-solitary-plasmacytoma-demonstrating-the-role-of-18-f-fdg-pet-imaging
#11
Archana Gautam, Kamal Kant Sahu, Ahsan Alamgir, Imran Siddiqi, Sikander Ailawadhi
An Extramedullary Plasmacytoma (EMP) is characterized by a neoplastic proliferation of clonal plasma cells outside the medullary cavity. EMPs are a rare occurrence compared to other malignant plasma cell disorders and account for approximately 3-5% of plasma-cell neoplasms. Although most cases of EMP are not immediately life threatening at diagnosis, EMPs can progress to Multiple Myeloma (MM) and thus, warrant monitoring. Currently, there are no standard guidelines for when and how to monitor patients who are diagnosed with or treated for a solitary plasmacytoma...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28561668/established-and-novel-prognostic-biomarkers-in-multiple-myeloma
#12
Mark Bustoros, Tarek H Mouhieddine, Alexandre Detappe, Irene M Ghobrial
Multiple myeloma (MM) is an incurable plasma cell malignancy characterized by notable interpatient heterogeneity. There have been important advances in therapy and overall survival, but some patients with high-risk features still have poor survival rates. Therefore, accurate identification of this subset of patients has been integral to improvement of patient outcome. During the last few years, cytogenetics, gene expression profiling, MRI and PET/CT, as well as serum free light chain assays have been used as accurate biomarkers to better characterize the diverse course and outcome of the disease...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28472196/-18f-fludarabine-pet-in-a-murine-model-of-multiple-myeloma
#13
Narinée Hovhannisyan, Martine Dhilly, Martin Fidalgo, Fabien Fillesoye, Stéphane Guillouet, Brigitte Sola, Louisa Barré
PURPOSE: Multiple myeloma (MM) is a haematological malignancy that affects plasma cells in the bone marrow. Recently, [18F]fludarabine has been introduced as an innovative PET radiotracer for imaging lymphoma. It demonstrated a great potential for accurate imaging of lymphoproliferative disorders. With the goal to question the usefulness of [18F]fludarabine-PET in other haematological diseases, an in vivo MM model was investigated. METHODS: RPMI8226-GFP-Luc MM cells expressing the green fluorescent protein (GFP) as well as the luciferase reporter (Luc) were derived from the parental RPMI8226 cells...
2017: PloS One
https://www.readbyqxmd.com/read/28458390/neuro-myelomatosis-of-the-brachial-plexus-an-unusual-site-of-disease-visualized-by-fdg-pet-ct-a-case-report
#14
Hisanori Fukunaga, Tatsushi Mutoh, Yasuko Tatewaki, Hideo Shimomura, Tomoko Totsune, Chiaki Terao, Hidemitsu Miyazawa, Yasuyuki Taki
BACKGROUND Peripheral or cranial nerve root dysfunction secondary to invasion of the CNS in multiple myeloma is a rare clinical event that is frequently mistaken for other diagnoses. We describe the clinical utility of 18F-fluorodeoxyglucose positron emission tomography (FDG-PET)/CT scanning for diagnosing neuro-myelomatosis. CASE REPORT A 63-year-old woman whose chief complaints were right shoulder and upper extremity pain underwent MRI and 18F-FDG PET/CT scan. MRI revealed a non-specific brachial plexus tumor...
May 1, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28432222/low-expression-of-hexokinase-2-is-associated-with-false-negative-fdg-positron-emission-tomography-in-multiple-myeloma
#15
Leo Rasche, Edgardo Angtuaco, James E McDonald, Amy Buros, Caleb Stein, Charlotte Pawlyn, Sharmilan Thanendrarajan, Carolina Schinke, Rohan Samant, Shmuel Yaccoby, Brian A Walker, Joshua Epstein, Maurizio Zangari, Frits van Rhee, Tobias Meissner, Hartmut Goldschmidt, Kari Hemminki, Richard Houlston, Bart Barlogie, Faith E Davies, Gareth J Morgan, Niels Weinhold
(18)F-Fluorodeoxyglucose (FDG)-positron emission tomography (PET) and diffusion-weighted magnetic resonance imaging with background signal suppression (DWIBS) are 2 powerful functional imaging modalities in the evaluation of malignant plasma cell (PC) disease multiple myeloma (MM). Preliminary observations have suggested that MM patients with extensive disease according to DWIBS may be reported as being disease-free on FDG-PET ("PET false-negative"). The aim of this study was to describe the proportion of PET false-negativity in a representative set of 227 newly diagnosed MM patients with simultaneous assessment of FDG-PET and DWIBS, and to identify tumor-intrinsic features associated with this pattern...
July 6, 2017: Blood
https://www.readbyqxmd.com/read/28418695/a-comparison-of-different-staging-systems-for-multiple-myeloma-can-the-mri-pattern-play-a-prognostic-role
#16
COMPARATIVE STUDY
Giacomo Filonzi, Katia Mancuso, Elena Zamagni, Cristina Nanni, Paolo Spinnato, Michele Cavo, Stefano Fanti, Eugenio Salizzoni, Alberto Bazzocchi
OBJECTIVE: The objective of this study is to compare the most recent systems for the staging of multiple myeloma (MM), the Durie-Salmon PLUS system and the International Staging System, according to patients' survival rates and response to therapy. Another objective is to verify whether patterns of bone marrow alteration on MRI (i.e., focal, diffuse, or variegated patterns) can provide prognostic information for patients with MM. MATERIALS AND METHODS: We retrospectively enrolled 85 patients with MM who were monitored for a minimum of 6 years and who underwent contrast-enhanced spinal and pelvic MRI at 1...
July 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28417626/production-and-characterization-of-monoclonal-antibody-against-recombinant-virus-coat-protein-cp42
#17
Naeimeh Shibaei, Jafar Majidi, Khadijeh Razavi, Ali Asghar Karkhane, Nemat Sokhandan-Bashir, Leili Aghebati-Maleki
There are many studies related to the production of a ELISA kit for diagnosing virus infections. However, production of most kits depends on purification of whole virus particles, which involves the use of costly equipment and reagents. The purpose of this study was to check out if the anti-CP42 antibodies could be used as a diagnostic assay for detection of Grapevine fanleaf Virus (GFLV). In this study, recombinant GFLV coat protein gene related to selected antigenic determinants was inserted into pET-28a bacterial expression vector and the construct (pET-28a CP42) was cloned into E...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28390534/pet-mr-imaging-of-multiple-myeloma
#18
REVIEW
Shetal N Shah, Jorge D Oldan
PET-magnetic resonance (MR) is a hybrid imaging modality that combines PET and MR. Evidence for this new modality is in the process of being developed, but both component modalities are well tested in the diagnosis and management of multiple myeloma. It allows advanced bimodality imaging of the whole body with an adaptable field of view and it can be used for monitoring plasma cell dyscrasias for progression to multiple myeloma, for assessing disease burden in patients with known multiple myeloma, for assessing response to therapy and relapse after remission, and for radiation therapy treatment planning...
May 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/28388273/musculoskeletal-imaging-findings-of-hematologic-malignancies
#19
Shannon M Navarro, George R Matcuk, Dakshesh B Patel, Matthew Skalski, Eric A White, Anderanik Tomasian, Aaron J Schein
Hematologic malignancies comprise a set of prevalent yet clinically diverse diseases that can affect every organ system. Because blood components originate in bone marrow, it is no surprise that bone marrow is a common location for both primary and metastatic hematologic neoplasms. Findings of hematologic malignancy can be seen with most imaging modalities including radiography, computed tomography (CT), technetium 99m ((99m)Tc) methylene diphosphonate (MDP) bone scanning, fluorine 18 ((18)F) fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT, and magnetic resonance (MR) imaging...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28381690/18f-fdg-pet-ct-is-effective-in-distinguishing-myelofibrosis-due-to-bone-marrow-infiltration-of-diffuse-large-b-cell-lymphoma-from-triple-negative-primary-myelofibrosis
#20
Takuma Kumagai, Yoko Satoh, Megumi Koshiishi, Saori Ooishi, Yuki Sueki, Kei Nakajima, Toru Mitsumori, Keita Kirito
Although myelofibrosis is mainly associated with myeloproliferative neoplasms (MPN), especially primary myelofibrosis (PMF), a variety of hematological malignancies, including acute myeloid leukemia, multiple myeloma and malignant lymphoma, also cause myelofibrosis with markedly varying degrees of severity. Thus, it is extremely important to accurately diagnose the underlying diseases that cause fibrosis in bone marrow. Analyses of JAK2, MPL and calreticulin gene mutations are useful for distinguishing MPN from other diseases, since 90% of MPN patients have a mutation in one of these genes...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
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