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https://www.readbyqxmd.com/read/28724539/racial-and-ethnic-disparities-in-hematologic-malignancies
#1
Kedar Kirtane, Stephanie J Lee
Racial and ethnic disparities in patients with solid malignancies have been well documented. Less is known about these disparities in patients with hematologic malignancies. With the advent of novel chemotherapeutics and targeted molecular, cellular, and immunologic therapies, it is important to identify differences in care that may lead to disparate outcomes. This review provides a critical appraisal of the empirical research on racial and ethnic disparities in incidence, survival, and outcomes in patients with hematologic malignancies...
July 19, 2017: Blood
https://www.readbyqxmd.com/read/28723644/fir-haplodeficiency-promotes-splicing-to-pyruvate-kinase-m2-in-mice-thymic-lymphoma-tissues-revealed-by-six-plex-tandem-mass-tag-quantitative-proteomic-analysis
#2
Asako Kimura, Kouichi Kitamura, Guzhanuer Ailiken, Mamoru Satoh, Toshinari Minamoto, Nobuko Tanaka, Fumio Nomura, Kazuyuki Matsushita
The switch of pyruvate kinase (PK) M1 to PKM2 is pivotal for glucose metabolism in cancers. The PKM1/M2 shift is controlled by the alternative splicing of two mutually exclusive exons in the PKM gene. PKM1 is expressed in differentiated tissues, whereas PKM2 is expressed in cancer tissues. This study revealed that the haplodeficiency of FUSE-binding protein (FBP)-interacting repressor (FIR), a transcriptional repressor of the c-myc gene, contributed to the splicing of PKM1 to PKM2 in mice thymic lymphoma and/or T-cell type acute lymphoblastic leukemia (T-ALL) using six-plex tandem mass tag (TMT) quantitative proteomic analysis...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721499/treg-protected-donor-lymphocyte-infusions-a-new-tool-to-address-the-graft-versus-leukemia-effect-in-the-absence-of-graft-versus-host-disease-in-patients-relapsed-after-hsct
#3
Mauro Di Ianni, Paola Olioso, Raffaella Giancola, Stella Santarone, Annalisa Natale, Gabriele Papalinetti, Ida Villanova, Stefano Baldoni, Ambra Di Tommaso, Tiziana Bonfini, Patrizia Accorsi, Paolo Di Bartolomeo
In high-risk acute leukemia patients undergoing haploidentical hematopoietic stem cell transplantation (HSCT), adoptive immunotherapy with T regulatory cells (Tregs) and T conventional cells (Tcons) prevented acute and chronic graft-versus-host disease (GvHD), favored post-transplant immunological reconstitution and was associated with a powerful graft-versus-leukemia (GvL) effect. With a particularly innovative approach, we developed a treatment with a Treg-protected donor lymphocyte infusion (DLI) for patients with early relapse after HSCT and we report here the results obtained in the first patient with APL (M3v) relapsed after a second matched allogeneic HSCT (15% blasts and 75% of donor cells in bone marrow)...
July 18, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28712863/harnessing-the-cd1-restricted-t-cell-response-for-leukemia-adoptive-immunotherapy
#4
Michela Consonni, Claudia de Lalla, Alessandra Bigi, Paolo Dellabona, Giulia Casorati
Disease recurrence following chemotherapy and allogeneic hematopoietic cell transplantation is the major unmet clinical need of acute leukemia. Adoptive cell therapy (ACT) with allogeneic T lymphocytes can control recurrences at the cost of inducing detrimental GVHD. Targeting T cell recognition on leukemia cells is therefore needed to overcome the problem and ensure safe and durable disease remission. In this review, we discuss adoptive cells therapy based on CD1-restricted T cells specific for tumor associated self-lipid antigens...
July 8, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28705776/short-and-medium-term-biological-variation-estimates-of-leukocytes-extended-to-differential-count-and-morphology-structural-parameters-cell-population-data-in-blood-samples-obtained-from-healthy-people
#5
Sabrina Buoro, Anna Carobene, Michela Seghezzi, Barbara Manenti, Aurelio Pacioni, Ferruccio Ceriotti, Cosimo Ottomano, Giuseppe Lippi
BACKGROUND: Recent studies showed that some cell population data (CPD) parameters of neutrophils may be useful for diagnosing myelodysplastic syndromes and sepsis, for the differential diagnosis of acute promyelocytic leukemia, and some CPD parameters of lymphocytes may be a valuable tool for preliminary screening of B cell lymphoproliferative disease. Notwithstanding the knowledge, no information has been made available about their analytical quality specification. This study was aimed to define short- and medium-term biological variation (BV) estimates and reference change value (RCV) of leukocyte count, extended leukocyte differential and CPD...
July 10, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28689016/long-term-follow-up-of-invasive-aspergillosis-in-allogeneic-stem-cell-transplantation-recipients-and-leukemia-patients-differences-in-risk-factors-and-outcomes
#6
S Bonnet, R Duléry, K Regany, M Bouketouche, L Magro, V Coiteux, S Alfandari, C Berthon, B Quesnel, I Yakoub-Agha
Antifungal prophylaxis (AP) has dramatically changed the epidemiology of invasive aspergillosis (IA). To better understand the differences in terms of clinical significance of IA between allogeneic stem cell transplantation (allo-SCT) recipients and patients treated for leukemia, we report a single-center study of 735 unselected consecutive patients treated between 2000 and 2004, before the era of systematic AP. Probable or confirmed IA were observed in 29 patients (2008 EORTC/MSG criteria), including 7/235 undergoing allo-SCT (5...
July 5, 2017: Current Research in Translational Medicine
https://www.readbyqxmd.com/read/28685891/specification-of-neurotransmitter-identity-by-tal1-in-thalamic-nuclei
#7
Bumwhee Lee, Myungsin Lee, Somang Song, Linh Duc Loi, Duc Tri Lam, Jaeseung Yoon, Kwanghee Baek, David J Curtis, Yongsu Jeong
BACKGROUND: The neurons contributing to thalamic nuclei are derived from at least two distinct progenitor domains, the caudal (cTH) and rostral (rTH) population of thalamic progenitors. These neural compartments exhibit unique neurogenic patterns and the molecular mechanisms underlying the acquisition of neurotransmitter identity remain largely unclear. RESULTS: T-cell acute lymphocytic leukemia protein 1 (Tal1) was expressed in the early postmitotic cells in the rTH domain, and its expression was maintained in mature thalamic neurons in the ventrolateral geniculate nucleus (vLG) and the intergeniculate leaflet (IGL)...
July 7, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28685851/risk-of-cutaneous-t-cell-lymphoma-in-patients-with-chronic-lymphocytic-leukemia-and-other-subtypes-of-non-hodgkin-lymphoma
#8
Timothy W Chang, Amy L Weaver, Tait D Shanafelt, Thomas M Habermann, Cooper C Wriston, James R Cerhan, Timothy G Call, Jerry D Brewer
BACKGROUND: Second hematologic cancers in patients with chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL) are well documented and include Hodgkin lymphoma, therapy-related acute myeloid leukemia/myelodysplastic syndromes, and transformation to diffuse large B-cell lymphoma. Although cutaneous T-cell lymphoma (CTCL) has been reported in patients with CLL, the incidence and comparison to expected rates are unknown. We evaluated the incidence of CTCL among patients with CLL or other non-Hodgkin lymphoma (NHL) subtypes using data from the Surveillance, Epidemiology, and End Results (SEER) Program...
July 7, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28672980/overexpression-of-long-non-coding-rna-zinc-finger-antisense-1-in-acute-myeloid-leukemia-cell-lines-influences-cell-growth-and-apoptosis
#9
Haifei Guo, Lili Wu, Pu Zhao, Aimei Feng
The association between long non-coding RNA zinc finger antisense 1 (ZFAS1) and acute myeloid leukemia (AML) has not yet been investigated. The present study aimed to assess the potential role of ZFAS1 in AML cell proliferation and apoptosis. The expression of ZFAS1 mRNA in various AML cell lines (HL-60, KG-1, ML-1 and SKNO-1) was measured by reverse transcription-quantitative polymerase chain reaction. The results showed that ZFAS1 expression was increased in all four human AML cell lines compared with the control cell lines (T lymphocytic leukemia or Burkitt's lymphoma)...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28670499/wnt-signaling-pathway-protein-lef1-in-cancer-as-a-biomarker-for-prognosis-and-a-target-for-treatment
#10
REVIEW
Larion Santiago, Garrett Daniels, Dongwen Wang, Fang-Ming Deng, Peng Lee
Transcription factors are regulatory proteins that either activate or repress the transcription of genes via binding to DNA regulatory sequences and regulating recruitment of transcriptional complexes. Lymphoid enhancer-binding factor 1 (LEF1), a member of the T-cell Factor (TCF)/LEF1 family of high-mobility group transcription factors, is a downstream mediator of the Wnt/β-catenin signaling pathway, but can also modulate gene transcription independently. LEF1 is essential in stem cell maintenance and organ development, especially in its role in epithelial-mesenchymal transition (EMT) by activating the transcription of hallmark EMT effectors including N-Cadherin, Vimentin, and Snail...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28670495/bitterness-in-sugar-o-glcnacylation-aggravates-pre-b-acute-lymphocytic-leukemia-through-glycolysis-via-the-pi3k-akt-c-myc-pathway
#11
Bing Zhang, Panpan Zhou, Xue Li, Qing Shi, Dong Li, Xiuli Ju
Abnormal cellular energetics has emerged as a hallmark of cancer cells. Deregulating aerobic glycolysis can alter multiple metabolic and signaling pathways in cancer cells, and trigger unlimited growth and proliferation. Accumulating evidence suggests that elevated levels of protein modification with β-N-acetylglucosamine (O-GlcNAcylation) along with dysregulation of O-GlcNAc transferase (OGT) and/or O-GlcNAcase (OGA) levels may act as a nutrient sensor in cancer cells. However, the underlying mechanism of O-GlcNAcylation and the relationship between O-GlcNAcylation and glycolysis are largely unknown in pre-B acute lymphocytic leukemia (pre-B-ALL)...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28669130/review-of-the-clinical-pharmacokinetics-and-pharmacodynamics-of-alemtuzumab-and-its-use-in-kidney-transplantation
#12
REVIEW
Marieke van der Zwan, Carla C Baan, Teun van Gelder, Dennis A Hesselink
Alemtuzumab is a humanized monoclonal antibody against CD52 and causes depletion of T and B lymphocytes, monocytes, and NK cells. Alemtuzumab is registered for the treatment of multiple sclerosis (MS) and is also used in chronic lymphocytic leukemia (CLL). Alemtuzumab is used off-label in kidney transplantation as induction and anti-rejection therapy. The objective of this review is to present a review of the pharmacokinetics, pharmacodynamics, and use of alemtuzumab in kidney transplantation. A systematic literature search was conducted using Ovid Medline, Embase, and Cochrane Central Register of controlled trials...
July 1, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28666906/craniospinal-irradiation-prior-to-stem-cell-transplant-for-hematologic-malignancies-with-cns-involvement-effectiveness-and-toxicity-after-photon-or-proton-treatment
#13
Jillian R Gunther, Ahmad R Rahman, Wenli Dong, Zeinab Abou Yehia, Partow Kebriaei, Gabriela Rondon, Chelsea C Pinnix, Sarah A Milgrom, Pamela K Allen, Bouthaina S Dabaja, Grace L Smith
PURPOSE/OBJECTIVE(S): Craniospinal irradiation (CSI) improves local control of leukemia/lymphoma with central nervous system (CNS) involvement; however, for adult patients anticipating stem cell transplant (SCT), cumulative treatment toxicity is a major concern. We evaluated toxicities and outcomes for patients receiving proton or photon CSI before SCT. METHODS AND MATERIALS: We identified 37 consecutive leukemia/lymphoma patients with CNS involvement who received CSI before SCT at our institution...
May 10, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28665521/traumatic-stress-in-patients-with-acute-leukemia-a-prospective-cohort-study
#14
Gary Rodin, Amy Deckert, Eryn Tong, Lisa W Le, Anne Rydall, Aaron Schimmer, Charles R Marmar, Chris Lo, Camilla Zimmermann
OBJECTIVE: Acute leukemia (AL) is associated with an immediate threat to life, an unpredictable clinical course, and substantial physical suffering. Traumatic stress symptoms that may meet criteria for acute stress disorder (ASD) may be common and disabling in this context, but have received little clinical attention. We investigated the incidence over time and risk factors for traumatic stress symptoms and ASD in the 3 months following diagnosis or relapse of AL. METHODS: Individuals with AL were recruited at a tertiary cancer centre in Canada within one month of diagnosis or relapse...
June 30, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28663923/spectral-spatial-feature-based-neural-network-method-for-acute-lymphoblastic-leukemia-cell-identification-via-microscopic-hyperspectral-imaging-technology
#15
Qian Wang, Jianbiao Wang, Mei Zhou, Qingli Li, Yiting Wang
Microscopic examination is one of the most common methods for acute lymphoblastic leukemia (ALL) diagnosis. Most traditional methods of automized blood cell identification are based on RGB color or gray images captured by light microscopes. This paper presents an identification method combining both spectral and spatial features to identify lymphoblasts from lymphocytes in hyperspectral images. Normalization and encoding method is applied for spectral feature extraction and the support vector machine-recursive feature elimination (SVM-RFE) algorithm is presented for spatial feature determination...
June 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28659152/idelalisib-may-have-the-potential-to-increase-radiotherapy-side-effects
#16
Thomas Gryc, Florian Putz, Nicole Goerig, Sonia Ziegler, Rainer Fietkau, Luitpold V Distel, Barbara Schuster
INTRODUCTION: Idelalisib is approved for the treatment of relapsed chronic lymphocytic leukemia together with Rituximab and for monotherapy of follicular B-cell non-Hodgkin's lymphoma and small lymphocytic lymphoma. It is a potent and selective phosphatidylinositol 3-kinase-δ (PI3K-δ) inhibitor. PI3K-δ primarily is expressed in B-cells and prevents effectively proliferation in malignant B-cells. METHODS: We provide a detailed report on treatment history and photo documentation of acute adverse effects of radiation therapy with simultaneous Idelalisib medication in one case of B-CLL...
June 28, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28656755/microfluidic-separation-of-lymphoblasts-for-the-isolation-of-acute-lymphoblastic-leukemia-using-the-human-transferrin-receptor-as-a-capture-target
#17
Wenjie Li, Ye Zhang, C Patrick Reynolds, Dimitri Pappas
Acute lymphocytic leukemia (ALL) is the most prevalent pediatric cancer, and the peripheral blood lymphoblast percentage is an important index for ALL diagnosis and prognosis. We describe a microfluidic device that isolates and enumerates peripheral blood lymphoblasts using affinity separations. The innovative use of a nonspecific ligand allows a widespread "net" for cancer cells, without a priori knowledge of the cancer type. Using lymphoblasts spiked into blood, we simulated leukemia cases with lymphoblast concentrations ranging from 1 to 30% of total leukocytes...
July 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28651627/induction-of-endoplasmic-reticulum-calcium-pump-expression-during-early-leukemic-b-cell-differentiation
#18
Lamia Aït Ghezali, Atousa Arbabian, Hervé Roudot, Jean-Philippe Brouland, Fanny Baran-Marszak, Evelyn Salvaris, Andrew Boyd, Hans G Drexler, Agnes Enyedi, Remi Letestu, Nadine Varin-Blank, Bela Papp
BACKGROUND: Endoplasmic reticulum (ER) calcium storage and release play important roles in B lymphocyte maturation, survival, antigen-dependent cell activation and immunoglobulin synthesis. Calcium is accumulated in the endoplasmic reticulum (ER) by Sarco/Endoplasmic Reticulum Calcium ATPases (SERCA enzymes). Because lymphocyte function is critically dependent on SERCA activity, it is important to understand qualitative and quantitative changes of SERCA protein expression that occur during B lymphoid differentiation and leukemogenesis...
June 26, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28648732/-adoptive-transfer-of-t-lymphocytes
#19
H Vié, B Clémenceau
Within a few years, the success of treatments based on the use of T-cells armed with a chimeric T-receptor for the CD19 molecule (CAR-T CD19) has revolutionized the perception of adoptive transfer approaches. The levels of responses observed in acute leukemias, of the order of 70-90 % are indeed unprecedented. The medical and financial enthusiasm aroused by these results has led to the current situation where more than 300 clinical trials are under way, against some thirty different antigens. This enthusiasm, well justified by the first successes, must however be tempered by the difficulties associated with the use of these cells...
June 22, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28646637/ts-gene-polymorphisms-correlate-with-susceptibility-to-acute-lymphocytic-leukemia-in-children
#20
Runyin Zou, Xiangling He, Yanpeng Wu, Xin Tian, Yalan You, Mincui Zheng, Wanli Li, Hui Zou, Hua Liu, Xiujuan Zhu, Chengguang Zhu
BACKGROUND Acute lymphocytic leukemia (ALL) in children is a clonal disease of bone marrow hematopoietic stem cells. This study aimed to explore the associations between MTHFR or TS genetic polymorphisms and susceptibility to acute lymphocytic leukemia (ALL) in children. MATERIAL AND METHODS This case-control study included 79 ALL patients (case group) and 102 non-ALL patients (control group). Post-PCR genomic DNA sequencing revealed MTHFR C677T and MTHFR A1298C genotypes and TS polymorphisms. The χ² test was used to compare differences in MTHFR and TS polymorphisms (including genotypic and allelic distributions) between groups...
June 24, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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