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https://www.readbyqxmd.com/read/28527402/a-rare-e13a3-b2a3-bcr-abl1-fusion-transcript-with-normal-karyotype-in-chronic-myeloid-leukemia-the-challenges-in-diagnosis-and-monitoring-minimal-residual-disease-mrd
#1
M-H Duan, H Li, H Cai
Patients with chronic myeloid leukemia (CML) have a t (9;22)(q34;q11.2) or variant translocation that results in a BCR-ABL1 fusion gene. For many years, conventional karyotyping has been used as the standard diagnostic tool for t (9;22) (q34;q11.2). However, it has several limitations that may lead to failure for detecting BCR-ABL1 gene rearrangements in around 5% of all CML patients. Although reverse transcription polymerase chain reaction (RT-PCR) has evolved as a sensitive method for detecting BCR-ABL1 translocation, this method fail to detect certain BCR-ABL1 fusion transcript type, such as e13a3 (also known as b2a3), as a result of many commercially available and laboratory-developed primer sets...
May 12, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28527401/prognostic-factors-on-graft-versus-host-disease-free-and-relapse-free-survival-after-allogeneic-hematopoietic-stem-cell-transplantation-for-adults-with-acute-leukemia
#2
Jie Tan, Ya Wang, Si-Jian Yu, Yong-Yong Ma, Hu-Yi Lei, Qi-Fa Liu
The cure of acute leukemia by allogeneic hematopoietic stem cell transplantation (allo-HSCT) is closely linked to major complications leading to adverse outcomes, including graft-versus-host disease (GVHD), disease relapse and death. This study retrospectively investigated a consecutive series of 312 adult patients with acute leukemia receiving allo-HSCT by using a novel concept of GVHD-free/relapse-free survival (GRFS), and further evaluated the impact of clinical factors on GRFS. Results indicated that the 1- and 2-year GRFS were 54...
May 12, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28527129/efficacy-and-safety-of-plerixafor-for-the-mobilization-collection-of-peripheral-hematopoietic-stem-cells-for-autologous-transplantation-in-japanese-patients-with-multiple-myeloma
#3
Masaki Ri, Kosei Matsue, Kazutaka Sunami, Chihiro Shimazaki, Akio Hayashi, Yoshinori Sunaga, Toru Sasaki, Kenshi Suzuki
To evaluate the efficacy and safety of plerixafor for the mobilization/collection of peripheral hematopoietic stem cells (HSCs) for autologous transplantation in Japanese patients with multiple myeloma (MM). In a randomized study, patients received G-CSF (filgrastim, 400 µg/m(2)/day) for 4 days prior to the first dose of plerixafor. Starting on Day 4 evening and for up to 4 days, patients received either plerixafor (240 µg/kg/day) + G-CSF group (PG group) or G-CSF alone (G group). Daily apheresis started on Day 5 for up to 4 days, or until ≥6 × 10(6) CD34+ cells/kg were collected...
May 19, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28526756/restricted-intra-embryonic-origin-of-bona-fide-hematopoietic-stem-cells-in-the-chicken
#4
Laurent Yvernogeau, Catherine Robin
Hematopoietic stem cells (HSCs), responsible for blood cell production, are generated during embryonic development. Human and chicken embryos share features that pose the chicken as a reliable and accessible alternative model to study developmental hematopoiesis. However, the existence of HSCs has never been formally proven in chicken embryos. Here, we established a complete cartography and quantification of hematopoietic cells in the aorta during development. We demonstrated the existence of bona fide HSCs, originating from the chicken embryo aorta (and not the yolk sac, allantois or head), through an in vivo transplantation assay...
May 19, 2017: Development
https://www.readbyqxmd.com/read/28526415/lnk-deficiency-aggregates-palmitate-induced-preadipocyte-apoptosis
#5
Jie-Yi Du, Chen-Chen Jin, Guo-Hao Wang, Xiong-Qing Huang, Jian-Ding Cheng, Xue-Jun Wen, Xiao-Miao Zhao, Guan-Lei Wang
LNK (SH2B3) is an intracellular adaptor protein that negatively regulates cellular proliferation or self-renewal of hematopoietic stem cells and some other progenitor cells. LNK is also recognized as a key regulator of insulin resistance and inflammatory responses in several tissues and organs. It is unknown the function of LNK in adipose tissue. We previously demonstrated that type 2 diabetes mellitus (T2DM) mouse model had elevated serum free fatty acids (FFAs) levels and increased preadipocyte apoptosis in visceral fat tissue, showing the occurrence of lipotoxicity...
May 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28525996/cancer-risks-in-a-population-based-study-of-70-570-agricultural-workers-results-from-the-canadian-census-health-and-environment-cohort-canchec
#6
Linda Kachuri, M Anne Harris, Jill S MacLeod, Michael Tjepkema, Paul A Peters, Paul A Demers
BACKGROUND: Agricultural workers may be exposed to potential carcinogens including pesticides, sensitizing agents and solar radiation. Previous studies indicate increased risks of hematopoietic cancers and decreased risks at other sites, possibly due to differences in lifestyle or risk behaviours. We present findings from CanCHEC (Canadian Census Health and Environment Cohort), the largest national population-based cohort of agricultural workers. METHODS: Statistics Canada created the cohort using deterministic and probabilistic linkage of the 1991 Canadian Long Form Census to National Cancer Registry records for 1992-2010...
May 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28525352/evaluation-of-endocrine-and-metabolic-dysfunctions-after-hematopoietic-stem-cell-transplantation-in-children-a-study-from-turkey
#7
Dilek Gurlek Gokcebay, Fatih Azik, Cengiz Bayram, Arzu Yazal Erdem, Ali Fettah, Pamir Isik, Nese Yarali, Fatma Demirel, Bahattin Tunc, Namik Ozbek
BACKGROUND: Endocrine organs are highly susceptible to effects of high-dose chemotherapy. The objective of the study was to evaluate endocrine and metabolic complications after hematopoietic stem cell transplantation (HSCT) in children. METHODS: The patients who underwent HSCT in our center from April 2010 to October 2014 with at least 1 year follow-up were analyzed retrospectively. RESULTS: One-hundred children (M/F:59/41; mean age 8.9±4...
May 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28524898/influenza-adherence-tool-kit-implementation-and-evaluation-among-allogeneic-hematopoietic-transplantation-recipients%C3%A2
#8
Tracy Krimmel, Rajat Bannerji, Maribel Borysyuk, Susan M Schneider
BACKGROUND: Allogeneic transplantation is associated with significant complications, such as influenza, a common virus in the post-transplantation setting that can be detrimental to patients. Therefore, patients should adhere to influenza vaccinations.
. OBJECTIVES: The objectives of this project were to improve influenza adherence rates from 2015-2016, to increase transplantation recipients' knowledge of the importance of vaccination, and to evaluate the barriers to and facilitators of adherence rates to influenza vaccinations...
June 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28524885/ocular-surface-analysis-in-hematological-patients-before-and-after-allogeneic-hematopoietic-stem-cell-transplantation-implication-for-daily-clinical-practice
#9
G Giannaccare, F Bonifazi, M Sessa, E Dan, M Arpinati, M Fresina, G Bandini, M Cavo, P Versura, E C Campos
PurposeTo evaluate ocular surface parameters before and after hematopoietic stem cell transplantation (HSCT) and to correlate them with clinical and transplant variables.MethodsThis is a retrospective analysis of data from 93 patients affected by hematological malignancies undergoing HSCT. Values from Ocular Surface Disease Index, Schirmer test, Break-up Time, ocular surface staining, and Meibomian Gland Dysfunction score obtained before HSCT and 3-6 months after were retrieved from charts. Diagnosis and staging of dry eye (DE) disease was performed according to Dry Eye WorkShop criteria...
May 19, 2017: Eye
https://www.readbyqxmd.com/read/28524832/measles-outbreak-in-pediatric-hematology-and-oncology-patients-in-shanghai-2015
#10
Yan-Ling Ge, Xiao-Wen Zhai, Yan-Feng Zhu, Xiang-Shi Wang, Ai-Mei Xia, Yue-Fang Li, Mei Zeng
BACKGROUND: Despite substantial progress toward measles control are making in China, measles outbreaks in immunocompromised population still pose a challenge to interrupt endemic transmission. This study aimed to investigate the features of measles in pediatric hematology and oncology patients and explore the reasons behind the outbreak. METHODS: We collected demographic, epidemiological, and clinical data of immunocompromised measles children. All suspected measles cases were laboratory-confirmed based on the presence of measles IgM and/or identification of measles RNA...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28524827/impact-of-human-leukocyte-antigen-loci-and-haplotypes-on-intestinal-acute-graft-versus-host-disease-after-human-leukocyte-antigen-matched-sibling-peripheral-blood-stem-cell-transplantation
#11
Fa-Hong Yan, Mei Wang, Jian-Feng Yao, Er-Lie Jiang, Ming-Zhe Han
BACKGROUND: Acute graft-versus-host disease (aGVHD) is a common and severe complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT). Some studies have found that the presence of certain specific human leukocyte antigen (HLA) loci could affect the occurrence of aGVHD. Meanwhile, the impact of HLA haplotypes on aGVHD has been rarely studied. This study aimed to investigate the effects of HLA loci and haplotypes on intestinal aGVHD. METHODS: Totally, 345 consecutive patients undergoing first HLA-matched sibling peripheral blood stem cell transplantation (PBSCT) from February 2004 to June 2013 at Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, were enrolled in this study...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28523980/diverse-endometrial-mrna-signatures-during-the-window-of-implantation-in-patients-with-repeated-implantation-failure
#12
Cheng Shi, Hong Jing Han, Li Juan Fan, Jing Guan, Xing Bang Zheng, Xi Chen, Rong Liang, Xiao Wei Zhang, Kun Kun Sun, Qing Hua Cui, Huan Shen
High endometrial receptivity in the window of implantation (WOI) is essential for successful implantation. However, a diagnostic tool with high specificity for impaired endometrial receptivity remains to be developed. We collected endometrium specimens during the WOI from patients with RIF and women who conceived after one IVF/ICSI attempt. We conducted mRNA microarray on the samples followed by relevant comparative and functional analysis. Microarray analysis revealed 357 dysregulated mRNAs between the two groups...
May 19, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28523918/current-status-of-viral-diseases-in-indian-shrimp-aquaculture
#13
G M Tandel, K Riji John, M Rosalind George, M J Prince Jeyaseelan
The intensification of aquaculture has been unique in showing the overwhelming changes in global food production in the last 100 years. Presently, it is playing a vital role in the economies of several countries. Conversely, it is also to be noted that the progression of aquaculture has been the foundation of anthropogenic alteration of a gigantic hierarchy and hence not astonishingly, it resulted in spread and emergence of an increasing group of new unknown diseases. In India, Penaeus monodon, black tiger shrimp was previously the foremost-cultivated shrimp species...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28523571/congenital-immature-pure-erythroid-leukemia-with-e-cadherin-expression
#14
Akihiro Tamura, Suguru Uemura, Atsuro Saito, Saki Okubo, Nanako Nino, Teppei Tahara, Takehito Yokoi, Kenji Kishimoto, Toshiaki Ishida, Daiichiro Hasegawa, Keiichiro Kawasaki, Seiji Yoshimoto, Hideto Nakao, Makiko Yoshida, Yoshiyuki Kosaka
Congenital pure erythroid leukemia is exceedingly rare and poses a diagnostic challenge. We report an atypical case of congenital pure erythroid leukemia that did not express typical erythroid markers. The patient presented with a high white blood cell count with blastic cells at birth. Although flow cytometric analyses of peripheral blood and bone marrow showed a large CD45-negative cell population, we did not identify any evidence of monoclonality. While the circulating blasts decreased with only supportive care, hepatomegaly with multiple nodules was accompanied by liver failure, disseminated intravascular coagulation, and development of hemophagocytic lymphohistiocytosis...
May 18, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28523104/3-aroyl-1-4-diarylpyrroles-inhibit-chronic-myeloid-leukemia-cell-growth-through-an-interaction-with-tubulin
#15
Giuseppe La Regina, Ruoli Bai, Antonio Coluccia, Valeria Famiglini, Sara Passacantilli, Valentina Naccarato, Giorgio Ortar, Carmela Mazzoccoli, Vitalba Ruggieri, Francesca Agriesti, Claudia Piccoli, Tiziana Tataranni, Marianna Nalli, Andrea Brancale, Stefania Vultaggio, Ciro Mercurio, Mario Varasi, Concetta Saponaro, Sara Sergio, Michele Maffia, Addolorata Maria Luce Coluccia, Ernest Hamel, Romano Silvestri
We designed 3-aroyl-1,4-diarylpyrrole (ARDAP) derivatives as potential anticancer agents having different substituents at the 1- or 4-phenyl ring. ARDAP compounds exhibited potent inhibition of tubulin polymerization, binding of colchicine to tubulin, and cancer cell growth. ARDAP derivative 10 inhibited the proliferation of BCR/ABL-expressing KU812 and LAMA84 cells from chronic myeloid leukemia (CML) patients in blast crisis and of hematopoietic cells ectopically expressing the imatinib mesylate (IM)-sensitive KBM5-WT or its IM-resistant KBM5-T315I mutation...
May 11, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28522588/a-potential-mechanism-for-adc-induced-neutropenia-role-of-neutrophils-in-their-own-demise
#16
Hui Zhao, Sara Gulesserian, Maria Christina Malinao, Sathish Kumar-Ganesan, James Song, Mi Sook Chang, Melissa M Williams, Zhilan Zeng, Michael Mattie, Brian A Mendelsohn, David R Stover, Fernando Doñate
Neutropenia is a common adverse event in cancer patients treated with antibody-drug conjugates (ADCs) and we aimed to elucidate the potential mechanism of this toxicity. To investigate if ADCs affect neutrophil production from bone marrow, an in vitro assay was developed in which hematopoietic stem cells (HSCs) were differentiated to neutrophils. Several antibodies against targets absent in HSCs and neutrophils were conjugated to MMAE via a cleavable valine-citrulline linker (vcMMAE-ADCs) or MMAF via a non-cleavable maleimidocaproyl linker (mcMMAF-ADCs), and their cytotoxicity was tested in the neutrophil differentiation assay...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28522577/shorter-leukocyte-telomere-length-is-associated-with-higher-risk-of-infections-a-prospective-study-of-75-309-individuals-from-the-general-population
#17
Jens Helby, Børge G Nordestgaard, Thomas Benfield, Stig E Bojesen
In the general population, older age is associated with short leukocyte telomere length and with high risk of infections. In a recent study of allogeneic hematopoietic cell transplantation for severe aplastic anemia, long donor leukocyte telomere length was associated with improved survival in the recipients. These findings suggest that leukocyte telomere length could possibly be a marker of immune competence. Therefore, we tested the hypothesis that shorter leukocyte telomere length is associated with higher risk of infectious disease hospitalization and infection related death...
May 18, 2017: Haematologica
https://www.readbyqxmd.com/read/28522567/myeloid-epithelial-crosstalk-coordinates-synthesis-of-the-tissue-protective-cytokine-leukemia-inhibitory-factor-during-pneumonia
#18
Katrina E Traber, Elise M Symer, Eri Allen, Yuri Kim, Kristie L Hilliard, Gregory A Wasserman, Colin L Stewart, Matthew R Jones, Joseph P Mizgerd, Lee Joseph Quinton
In bacterial pneumonia, lung damage resulting from epithelial cell injury is a major contributor to the severity of disease, and in some cases, can lead to long-term sequelae, especially in the setting of severe lung injury or ARDS. Leukemia inhibitory factor (LIF), a member of the IL-6 cytokine family, is a critical determinant of lung tissue protection during pneumonia, but the cellular sources of LIF and the signaling pathways leading to its production in the infected lung are not known. Here, we demonstrate that lung epithelium, specifically alveolar type II cells, is the predominant site of LIF transcript induction in pneumonic mouse lungs...
May 18, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28522345/allogeneic-hematopoietic-cell-transplantation-for-older-patients-prognosis-determined-by-disease-risk-index
#19
Fiona He, Qing Cao, Aleksandr Lazaryan, Claudio Brunstein, Shernan Holtan, Erica Warlick, Celalettin Ustun, Brian McClune, Mukta Arora, Armin Rashidi, Craig Eckfeldt, Daniel J Weisdorf, Nelli Bejanyan
The treatment of elderly patients with advanced hematological malignancies has expanded to include reduced-intensity conditioning (RIC) allogeneic hematopoietic cell transplantation (alloHCT) as a potentially curative option. We studied the association between disease risk index (DRI) and clinical outcomes of 196 elderly patients (median age: 64.8 [60-75] years) with hematological malignancies receiving RIC alloHCT (2000-2014). Donors were adult related and unrelated (RD, URD; n = 100, 51.1%) or umbilical cord blood (UCB) (n = 96, 48...
May 15, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28522344/acquired-complement-regulatory-gene-mutations-and-hematopoietic-stem-cell-transplant-related-thrombotic-microangiopathy
#20
Gianluigi Ardissino, Stefania Salardi, Silvia Berra, Giacomo Colussi, Massimo Cugno, Marco Zecca, Fabio Giglio, Jacopo Peccatori, Elisa Diral, Francesca Tel, Alberto Clivio, Silvana Tedeschi
Hematopoietic stem cell transplant-related thrombotic microangiopathy (HSCT-TMA) is a severe complication whose pathophysiology is unknown. We describe 6 patients in which the disease was associated with complement regulatory gene abnormalities received from their respective donors. It is suggested that mutated and transplanted monocyte-derived cells are responsible for production of abnormal proteins, complement dysregulation and, ultimately, for the disease. This observation might have important drawbacks as far as HSCT-TMA pathophysiology and treatment are concerned...
May 15, 2017: Biology of Blood and Marrow Transplantation
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