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https://www.readbyqxmd.com/read/29775689/biomarkers-for-checkpoint-inhibition-in-hematologic-malignancies
#1
REVIEW
Djordje Atanackovic, Tim Luetkens
In the past few years we have seen remarkable paradigm shifts in the treatment of many solid tumors due to the introduction of inhibitors targeting immune checkpoints such as PD-1/PD-L1 and CTLA-4. Recent results indicate that checkpoint inhibition also represents a very promising approach for certain types of hematologic malignancies. Unfortunately, treatment with checkpoint inhibitors is also associated with substantial toxicities and high costs and only a subset of patients appears to derive clinical benefit from these treatments...
May 15, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29773068/pharmacokinetic-and-pharmacodynamic-relationship-of-blinatumomab-in-patients-with-non-hodgkin-lymphoma
#2
Youssef Hijazi, Matthias Klinger, Andrea Kratzer, Benjamin Wu, Patrick A Baeuerle, Peter Kufer, Andreas Wolf, Dirk Nagorsen, Min Zhu
OBJECTIVE: We describe the relationship between pharmacokinetics (PK) of blinatumomab and pharmacodynamic (PD) changes in peripheral lymphocytes, serum cytokines, and tumor size in patients with non-Hodgkin lymphoma (NHL). METHODS: In a phase 1 study, 76 patients with relapsed/refractory NHL received blinatumomab by continuous intravenous infusion at various doses (0.5 to 90 µg/m2/day). PD changes were analyzed with respect to dose, blinatumomab concentration at steady state (Css), and cumulative area under the concentration-versus-time curve (AUCcum)...
May 17, 2018: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/29772186/lentivirus-mediated-down-regulation-of-ck2%C3%AE-inhibits-proliferation-and-induces-apoptosis-of-malignant-lymphoma-and-leukemia-cells
#3
Li Jiang, Jinghui Zhang, Naifeng Hu, Aichun Liu, Hailong Zhu, Lianqiao Li, Yuyang Tian, Xue Chen, Lina Quan
CK2α is highly expressed in many malignant tumor tissues, including lymphomas and leukemia. To investigate the role of CK2α in proliferation and apoptosis of malignant lymphomas and leukemia, two lymphomas cell lines and one leukemia cell line were infected with CK2α shRNA lentivirus or negative control shRNA lentivirus, and stably infected cell lines were established. Real-time PCR and western blot results showed that the mRNA and protein levels of CK2α were significantly reduced in CK2α knockdown cells...
May 17, 2018: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29771773/endobronchial-ultrasound-guided-transbronchial-needle-aspiration-with-a-19-g-needle-device
#4
Alain Tremblay, Seamus McFadden, Martina Bonifazi, Valentina Luzzi, Samuel V Kemp, Stefano Gasparini, Alex Chee, Paul MacEachern, Elaine Dumoulin, Christopher A Hergott, Pallav L Shah
BACKGROUND: Endobronchial ultrasound (EBUS)-guided transbronchial needle aspiration is a well-established first-line minimally invasive modality for mediastinal lymph node sampling. Although results are excellent overall, the technique underperforms in certain situations. We aimed to describe our results using a new 19-G EBUS-guided transbronchial needle aspiration device to determine safety and feasibility of this approach. METHODS: We completed a retrospective chart review of all cases performed to the time of data analysis at each of 3 study sites...
May 16, 2018: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/29771253/axicabtagene-ciloleucel-for-the-treatment-of-relapsed-refractory-b-cell-non-hodgkin-s-lymphomas
#5
P Sharma, G T King, S S Shinde, E Purev, A Jimeno
B-cell non-Hodgkin's lymphomas are the most common hematological malignancies, which despite improvements in chemo-immunotherapy, carry a uniformly poor prognosis in the relapsed/refractory setting. CD19 is an antigen expressed on the surface of most malignancies arising from the B cells, and adoptive transfer of anti-CD19 chimeric antigen receptor (CAR)-expressing T cells has been shown to be effective in treating these B-cell malignancies. Axicabtagene ciloleucel (axi-cel, KTE-C19) is an autologous anti-CD19 CAR T-cell therapy which has shown high overall response rates and a manageable safety profile in patients with relapsed or refractory B-cell malignancies who lack effective and curative treatment options...
March 2018: Drugs of Today
https://www.readbyqxmd.com/read/29770187/primary-jejunal-burkitt-lymphoma-in-a-child-ultrasonic-detection
#6
Tatsuya Okamoto, Akane Sekiya, Tomoo Daifu, Ryuichiro Doi, Hisato Kobayashi
Gastrointestinal Burkitt lymphoma (BL) is a highly aggressive malignancy in childhood, and early treatment is critical for its favorable prognosis. Ultrasonography is a widely accepted initial imaging workup; therefore, recognition of the sonographic features of BL should contribute to its early diagnosis and initiation of treatment. We present a 4-year-old boy with primary jejunal BL with intussusception mimicking presentation, in which initial abdominal US allowed sustainable detection and characterization of the intestinal lesion...
May 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29769262/a-new-molecular-assay-and-genomic-complexity-predict-outcome-in-conventional-and-leukemic-non-nodal-mantle-cell-lymphoma
#7
Guillem Clot, Pedro Jares, Eva Giné, Alba Navarro, Cristina Royo, Magda Pinyol, David Martín-Garcia, Santiago Demajo, Blanca Espinet, Antonio Salar, Ana Ferrer, Ana Muntañola, Marta Aymerich, Hilka Rauert-Wunderlich, Elaine S Jaffe, Joseph M Connors, Randy D Gascoyne, Jan Delabie, Armando López-Guillermo, German Ott, George W Wright, Louis M Staudt, Andreas Rosenwald, David W Scott, Lisa M Rimsza, Sílvia Beà, Elías Campo
Mantle cell lymphoma (MCL) is an aggressive B-cell malignancy but some patients have a very indolent evolution. This heterogeneous course is related, in part, to the different biological characteristics of conventional MCL (cMCL) and the distinct subgroup of leukemic non-nodal MCL (nnMCL). Robust criteria to distinguish these MCL subtypes and additional biological parameters that influence their evolution are not well defined. Herein, we describe a novel molecular assay that reliably distinguishes cMCL and nnMCL using blood samples...
May 16, 2018: Blood
https://www.readbyqxmd.com/read/29769011/evolving-strategies-for-the-treatment-of-t-cell-lymphoma-a-systematic-review-and-recent-patents
#8
Kamel Laribi, Mustapha Alani, Catherine Truong, Alix Baugier de Materre
OBJECTIVE: Mature T-cell lymphomas are a heterogeneous group of T-cell malignancies with a poor outcome. The discovery of new molecular biomarkers has led to the emergence of new drugs in recent years that target various signaling pathways. METHOD: We examined all pertinent published patents through 2015 that analyzed novel methods for the diagnosis and treatment of T cell lymphoma, as well as related published and unpublished studies. Selection criteria were established before data collection...
May 16, 2018: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/29768336/primary-diffuse-large-b-cell-lymphoma-in-the-maxilla-a-case-report
#9
Haixiao Zou, Haili Yang, Yuan Zou, Lang Lei, Li Song
RATIONALE: Lymphomas are the second most common non-epithelial malignant tumors in the oral and maxillofacial region. Non-Hodgkin's lymphoma (NHL) develops at extranodal sites, and cases involving the maxilla account for less than 1% of all NHLs. We describe a case of diffuse large B-cell lymphoma (DLBCL) in the maxilla, and highlight the clinical signs, symptoms, differential diagnosis, and appropriate treatment of DLBCL in the oral cavity and maxillofacial region. PATIENT CONCERNS: A 67-year-old woman was admitted to our surgical department with pain and swelling in her right upper posterior teeth for about six months...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29768210/engineered-tumor-targeted-t-cells-mediate-enhanced-anti-tumor-efficacy-both-directly-and-through-activation-of-the-endogenous-immune-system
#10
Mauro P Avanzi, Oladapo Yeku, Xinghuo Li, Dinali P Wijewarnasuriya, Dayenne G van Leeuwen, Kenneth Cheung, Hyebin Park, Terence J Purdon, Anthony F Daniyan, Matthew H Spitzer, Renier J Brentjens
Chimeric antigen receptor (CAR) T cell therapy has proven clinically beneficial against B cell acute lymphoblastic leukemia and non-Hodgkin's lymphoma. However, suboptimal clinical outcomes have been associated with decreased expansion and persistence of adoptively transferred CAR T cells, antigen-negative relapses, and impairment by an immunosuppressive tumor microenvironment. Improvements in CAR T cell design are required to enhance clinical efficacy, as well as broaden the applicability of this technology...
May 15, 2018: Cell Reports
https://www.readbyqxmd.com/read/29767316/-ceus-diagnosis-of-solid-renal-tumors
#11
REVIEW
K Stock, H Kübler, T Maurer, J Slotta-Huspenina, K Holzapfel
CLINICAL ISSUE: Renal lesions are detected earlier, often as a result of ultrasound examinations. However, the imaging-based differential diagnosis of different tumour entities remains challenging STANDARD RADIOLOGICAL METHODS: All renal tumours >1 cm should be evaluated for malignancy by computed tomography (CT) or magnetic resonance imaging (MRI). If an angiomyolipoma diagnosis cannot be established with imaging, further diagnostics are appropriate or if malignant progression is suspected, then multidisciplinary discussion for TNM-staging based uro-oncologic therapy is usual...
May 16, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29766466/concurrent-isolated-igg2-positive-membranous-nephropathy-and-malignant-b-cell-lymphoma
#12
Satoshi Shimada, Takashi Nakamichi, Gen Yamada, Kaori Narumi, Hajime Usubuchi, Tae Yamamoto, Satoshi Ichikawa, Noriko Fukuhara, Mariko Miyazaki, Hideo Harigae, Hiroshi Sato, Sadayoshi Ito
A recent systematic review showed that hematological malignancy is often complicated by membranous nephropathy (MN). Histologically, the deposition of IgG subclasses other than IgG4 may imply secondary MN, such as malignancy-associated MN (M-MN). We describe a very rare case of concurrent isolated IgG2-positive MN and B-cell lymphoma. An 83-year-old woman was hospitalized at our institute for facial and lower extremity edema persisting for 2 months. Laboratory tests showed urinary protein level of 10.8 g/day, serum albumin level of 1...
May 15, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29766398/hepatosplenic-t-cell-lymphoma-a-unifying-entity-in-a-patient-with-hemolytic-anemia-massive-splenomegaly-and-liver-dysfunction
#13
Marianna Mavilia, Agnes McAuliffe, Safina Hafeez, Haleh Vaziri
Hepatosplenic T cell lymphoma (HSTCL) is a rare subtype of peripheral non-Hodgkin lymphoma, of which 20% of cases are associated with chronic immunosuppression. It often occurs in patients with inflammatory bowel disease treated with immunomodulating medications such a thiopurines or TNF-alpha inhibitors. Cytopenias are commonly seen but autoimmune hemolytic anemia (AIHA) is rare. Here we present a young male with longstanding ulcerative colitis on chronic azathioprine, exhibiting several rare features of HSTCL...
May 15, 2018: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29764968/how-to-prevent-and-manage-radiation-induced-coronary-artery-disease
#14
REVIEW
Jason R Cuomo, Sean P Javaheri, Gyanendra K Sharma, Deepak Kapoor, Adam E Berman, Neal L Weintraub
Radiation-induced coronary heart disease (RICHD) is the second most common cause of morbidity and mortality in patients treated with radiotherapy for breast cancer, Hodgkin's lymphoma and other prevalent mediastinal malignancies. The risk of RICHD increases with radiation dose. Exposed patients may present decades after treatment with manifestations ranging from asymptomatic myocardial perfusion defects to ostial, triple-vessel disease and sudden cardiac death. RICHD is insidious, with a long latency and a tendency to remain silent late into the disease course...
May 15, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29764863/extracorporeal-photochemotherapy-drives-monocyte-to-dendritic-cell-maturation-to-induce-anti-cancer-immunity
#15
Alessandra Ventura, Aaron Vassall, Eve Robinson, Renata Filler, Douglas Hanlon, Katrina Meeth, Harib Ezaldein, Michael Girardi, Olga Sobolev, Marcus W Bosenberg, Richard L Edelson
Extracorporeal photochemotherapy (ECP) is a cancer immunotherapy for cutaneous T cell lymphoma (CTCL) operative in more than 350 centers worldwide. While its efficacy and favorable safety profile have driven its widespread use, elucidation of its underlying mechanism has been difficult. In this study, we identify the principal contributors to the anti-cancer immunotherapeutic effects of ECP, with the goal of enhancing potency and broadening applicability to additional malignancies. First, we scaled down the clinical ECP leukocyte-processing device to mouse size...
May 15, 2018: Cancer Research
https://www.readbyqxmd.com/read/29764855/magnetic-resonance-imaging-of-tumor-associated-macrophages-clinical-translation
#16
Maryam Aghighi, Ashok Joseph Theruvath, Anuj Pareek, Laura Pisani, Raphael Alford, Anne Monika Muehe, Tarsheen K Sethi, Samantha J Holdsworth, Florette K Hazard, Dita Gratzinger, Sandra Luna-Fineman, Ranjana H Advani, Sheri L Spunt, Heike E Daldrup-Link
PURPOSE: Tumor associated macrophages (TAM) in malignant tumors have been linked to tumor aggressiveness and represent a new target for cancer immunotherapy. As new TAM-targeted immunotherapies are entering clinical trials, it is important to detect and quantify TAM with non-invasive imaging techniques. The purpose of this study was to determine if ferumoxytol-enhanced MRI can detect TAM in lymphomas and bone sarcomas of pediatric patients and young adults. EXPERIMENTAL DESIGN: In a first-in-patient , IRB-approved prospective clinical trial, 25 pediatric and young adult patients with lymphoma or bone sarcoma underwent ferumoxytol-enhanced MRI...
May 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29764505/xenograft-tumors-derived-from-malignant-pleural-effusion-of-the-patients-with-non-small-cell-lung-cancer-as-models-to-explore-drug-resistance
#17
Yunhua Xu, Feifei Zhang, Xiaoqing Pan, Guan Wang, Lei Zhu, Jie Zhang, Danyi Wen, Shun Lu
BACKGROUND: Non-small cell lung cancer (NSCLC) patients with epidermal growth factor receptor (EGFR) mutations or anaplastic lymphoma kinase (ALK) fusions show dramatic responses to specific tyrosine kinase inhibitors (TKIs); however, after 10-12 months, secondary mutations arise that confer resistance. We generated a murine xenograft model using patient-derived NSCLC cells isolated from the pleural fluid of two patients with NSCLC to investigate the mechanisms of resistance against the ALK- and EGFR-targeted TKIs crizotinib and osimertinib, respectively...
May 9, 2018: Cancer communications
https://www.readbyqxmd.com/read/29764474/acute-blindness-as-a-presenting-sign-of-childhood-endemic-burkitt-s-lymphoma-in-cameroon-a-case-report
#18
Brice N Vofo, Gaelle V F Ngankam, Calypse A Ngwasiri, Jeannine A Atem, Leopold N Aminde
BACKGROUND: Endemic Burkitt's lymphoma is found predominantly in malaria holoendemic zones, typically in the tropical rain forest of Africa. It usually presents as an extra-nodal tumour in children and young adults with predilection for jaws and soft tissues of the abdomen. Clinical features depend on the primary tumour site, extent of the disease and histologic subtype. Acute blindness as a presentation sign is rare. CASE PRESENTATION: A 13 year old African female presented to our facility with a 3 week history of painful abdominal distention, and loss of vision of the left eye...
May 16, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29761831/evaluation-of-the-throly-score-for-the-prediction-of-venous-thromboembolism-in-newly-diagnosed-patients-treated-for-lymphoid-malignancies-in-clinical-practice
#19
Joanna Rupa-Matysek, Katarzyna Brzeźniakiewicz-Janus, Lidia Gil, Zbigniew Krasiński, Mieczysław Komarnicki
The utility in clinical practice of a recently developed and validated predictive model for venous thromboembolism (VTE) events in lymphoma patients, known as the thrombosis lymphoma (ThroLy) score, is unknown. We evaluated the association of ThroLy with VTE in patients treated for diffuse large B-cell lymphoma (DLBCL) or Hodgkin lymphoma (HL) undergoing ambulatory first-line chemotherapy. Retrospective analyses were performed on 428 patients (median age 50), 241 were newly diagnosed DLBCL, and 187 had HL. During initial chemotherapy, 64 (15%) patients developed VTE...
May 15, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29759015/morphologic-and-immunohistochemical-characteristics-of-anorectal-melanoma
#20
Ahmad Charifa, Xuchen Zhang
Anorectal melanoma is a rare aggressive disease. Due to its rarity and considerable histologic and immunohistochemical variabilities, misdiagnosis as lymphoma, carcinoma, sarcoma, and/or gastrointestinal stromal tumor is not uncommon, particularly in amelanotic cases. We reviewed histologic features and immunohistochemical stains of 19 anorectal melanoma cases. Histopathologic features were evaluated including junctional activity, melanin pigment, and morphologic features. Immunohistochemical stains were performed using Sox10, S100 protein, HMB-45, melan-A, CD56, and cytokeratins...
May 1, 2018: International Journal of Surgical Pathology
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