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Hematologic malignancy

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https://www.readbyqxmd.com/read/29149895/novel-insights-into-chromosomal-conformations-in-cancer
#1
REVIEW
Ruobing Jia, Peiwei Chai, He Zhang, Xianqun Fan
Exploring gene function is critical for understanding the complexity of life. DNA sequences and the three-dimensional organization of chromatin (chromosomal interactions) are considered enigmatic factors underlying gene function, and interactions between two distant fragments can regulate transactivation activity via mediator proteins. Thus, a series of chromosome conformation capture techniques have been developed, including chromosome conformation capture (3C), circular chromosome conformation capture (4C), chromosome conformation capture carbon copy (5C), and high-resolution chromosome conformation capture (Hi-C)...
November 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/29148638/factors-associated-with-treatment-outcome-of-pediatric-cancerpatients-admitted-with-febrile-neutropenia-in-tikuranbessa-specialized-teaching-hospital-addis-ababa-ethiopia
#2
Selamawit Assefa, Tinsae Alemayehu, Workeabeba Abebe
Background: Cancer treatment is associated with variable degrees of myelosupression. Infection is often a life-threatening complication of chemotherapy-induced neutropenia, and it is also considered an oncologic emergency. Febrile neutropenia is a common, costly and potentially fatal complication in oncology. Objective: To assess factors affecting treatment outcome of cancer patients with chemotherapy induced febrile neutropenia. Method: We conducted a review of records of pediatric patients hospitalized and treated for chemotherapy-induced febrile neutropenia from January 1, 2013 to December 31, 2013 and met the selection criteria...
January 2017: Ethiopian Medical Journal
https://www.readbyqxmd.com/read/29148003/prevalence-of-medical-adhesive-related-skin-injury-at-peripherally-inserted-central-catheter-insertion-site-in-oncology-patients
#3
Huihan Zhao, Yu He, Huiqiao Huang, Ying Ling, Xuemei Zhou, Qin Wei, Yonghong Lei, Yanping Ying
INTRODUCTION: The aim of our study was to identify the prevalence and risk factors of medical adhesive-related skin injuries (MARSI) at peripherally inserted central catheters (PICC) insertion site in oncology patients. METHODS: A cross-sectional observational study lasting two weeks was carried out in four inpatient departments. Skin assessment data and photographs of skin were collected during PICC maintenance. Other related information came from medical records...
November 8, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29147628/trial-watch-adoptively-transferred-cells-for-anticancer-immunotherapy
#4
REVIEW
Carole Fournier, François Martin, Laurence Zitvogel, Guido Kroemer, Lorenzo Galluzzi, Lionel Apetoh
Immunotherapies aimed at strengthening immune effector responses against malignant cells are growing at exponential rates. Alongside, the impressive benefits obtained by patients with advanced melanoma who received adoptively transferred tumor-infiltrating lymphocytes (TILs) have encouraged the scientific community to pursue adoptive cell transfer (ACT)-based immunotherapy. ACT involves autologous or allogenic effector lymphocytes that are generally obtained from the peripheral blood or resected tumors, expanded and activated ex vivo, and administered to lymphodepleted patients...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29147619/the-jak2v617f-and-calr-exon-9-mutations-are-shared-immunogenic-neoantigens-in-hematological-malignancy
#5
Morten Orebo Holmström, Hans Carl Hasselbalch, Mads Hald Andersen
Approximately 90% of patients with the hematological malignancies termed the chronic myeloproliferative neoplasms harbor either the JAK2V617F-mutation or CALR exon 9 mutation. Both of these are recognized by T-cells, which make the mutations ideal targets for cancer immune therapy as they are shared antigens.
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29145997/correlation-of-graft-immune-composition-with-outcomes-after-allogeneic-stem-cell-transplantation-moving-towards-a-perfect-transplant
#6
REVIEW
Guang Gu, Jian-Zhu Yang, Li-Xia Sun
Allogeneic stem cell transplantation (allo-SCT) offers an important curative therapy for hematological malignancies and other diseases. A number of studies have demonstrated the association of immune compositions in allografts with outcomes after allo-SCT, which promote graft engineering to improve transplant prognosis. This review summarizes the advances in investigating the correlation of the graft immune compositions with transplant outcomes in different transplant modalities, focusing on the immune subsets likely to have the greatest impact on clinical outcomes...
November 7, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/29145976/not-only-p-glycoprotein-amplification-of-the-abcb1-containing-chromosome-region-7q21-confers-multidrug-resistance-upon-cancer-cells-by-coordinated-overexpression-of-an-assortment-of-resistance-related-proteins
#7
Ilaria Genovese, Andrea Ilari, Yehuda G Assaraf, Francesco Fazi, Gianni Colotti
The development of drug resistance continues to be a dominant hindrance toward curative cancer treatment. Overexpression of a wide-spectrum of ATP-dependent efflux pumps, and in particular of ABCB1 (P-glycoprotein or MDR1) is a well-known resistance mechanism for a plethora of cancer chemotherapeutics including for example taxenes, anthracyclines, Vinca alkaloids, and epipodopyllotoxins, demonstrated by a large array of published papers, both in tumor cell lines and in a variety of tumors, including various solid tumors and hematological malignancies...
May 2017: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/29143804/telomeres-and-telomerase-in-hematopoietic-dysfunction-prognostic-implications-and-pharmacological-interventions
#8
REVIEW
Theresa Vasko, Andrea Kaifie, Matthias B Stope, Thomas Kraus, Patrick Ziegler
Leukocyte telomere length (TL) has been suggested as a marker of biological age in healthy individuals, but can also reflect inherited and acquired hematopoietic dysfunctions or indicate an increased turnover of the hematopoietic stem and progenitor cell compartment. In addition, TL is able to predict the response rate of tyrosine kinase inhibitor therapy in chronic myeloid leukemia (CML), indicates clinical outcomes in chronic lymphocytic leukemia (CLL), and can be used as screening tool for genetic sequencing of selected genes in patients with inherited bone marrow failure syndromes (BMFS)...
October 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29143249/next-generation-chimeric-antigen-receptor-t-cell-therapy-going-off-the-shelf
#9
Marco Ruella, Saad S Kenderian
Autologous, patient-specific chimeric antigen receptor T-cell (CART) therapy has emerged as a powerful and potentially curative therapy for cancer, especially for CD19-positive hematological malignancies. Indeed, on August 30, 2017, the University of Pennsylvania-designed CD19-directed CART (CART-19) cell therapy (CTL019, tisagenlecleucel-t, Kymriah - Novartis) became the first CART therapy approved by the Food and Drug Administration (FDA) for acute lymphoblastic leukemia. However, the development of CART technology and its wider application is partly limited by the patient-specific nature of such a platform and by the time required for manufacturing...
November 16, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/29142168/background-data-on-nod-shi-scid-il-2r%C3%AE-null-mice-nog-mice
#10
Kenichiro Kasahara, Yachiyo Fukunaga, Saori Igura, Rie Andoh, Tsubasa Saito, Isamu Suzuki, Hiroyuki Kanemitsu, Daisuke Suzuki, Ken Goto, Daichi Nakamura, Masahiro Mochizuki, Masahiko Yasuda, Ryo Inoue, Kazutoshi Tamura, Mariko Nagatani
To obtain background data of NOD/Shi-scid IL-2Rγ(null) (NOG) mice, severely immunedeficient mice, a total of 120 animals were examined at 7, 26 and 52 weeks-old (20 mice/sex/group). The survival rate at 52 weeks-old was 95% (19/20) in both sexes. Clinically, circling behavior in one direction along the cage wall was observed in males after 8 weeks and females after 47 weeks-old, and hunchback position was found in males after 32 weeks-old. Hematologically, lymphocyte count markedly decreased at all ages, while white blood cell count increased in several mice at 52 weeks-old...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29141946/age-related-clonal-hematopoiesis-arch
#11
Liran I Shlush
Age related alterations in the human blood system occur in B cells, T cells, cells of the innate system, as well as in hematopoietic stem and progenitor cells (HSPCs). Interestingly, age related, reduced genetic diversity can be identified both at the stem cell level, but also independently in B cells and T cells. This reduced diversity is most probably related to somatic mutations, or to changes in the micro-environmental niche. Either process can select for specific clones, or cause repeated evolutionary bottlenecks...
November 15, 2017: Blood
https://www.readbyqxmd.com/read/29141942/frailty-and-the-management-of-hematologic-malignancies
#12
Gregory A Abel, Heidi D Klepin
The majority of blood cancers occur in the elderly. This fact conspires with an aging population in many countries to make rigorous assessment for frailty increasingly important for hematologic oncologists. In this review, we first define frailty and its relevance for patients with hematologic malignancy. Next, we review current data regarding the impact of domains of frailty on outcomes for blood cancers including myelodysplastic syndromes (MDS), acute leukemia, non-Hodgkin lymphomas such as chronic lymphocytic leukemia (CLL), and multiple myeloma...
November 15, 2017: Blood
https://www.readbyqxmd.com/read/29139089/cancer-stem-cells-in-head-and-neck-carcinomas-identification-and-possible-therapeutic-implications
#13
Elize Wolmarans, Sonja C Boy, Sulette Nel, Anne E Mercier, Michael Sean Pepper
The recurrence and/or lack of response of certain tumors to radio- and chemotherapy has been attributed to a small subpopulation of cells termed cancer stem cells (CSCs). CSCs have been identified in many tumors (including solid and hematological tumors). CSCs are characterized by their capacity for self-renewal, their ability to introduce heterogeneity within a tumor mass and its metastases, genomic instability, and their insensitivity to both radiation and chemotherapy. The latter highlights the clinical importance of studying this subpopulation since their resistance to traditional treatments may lead to metastatic disease and/or tumor relapse...
November 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29138886/clinical-predictors-of-stenotrophomonas-maltophilia-bacteremia-in-adult-patients-with-hematologic-malignancy
#14
Si-Ho Kim, Sun Young Cho, Cheol-In Kang, Hyeri Seok, Kyungmin Huh, Young Eun Ha, Doo Ryeon Chung, Nam Yong Lee, Kyong Ran Peck, Jae-Hoon Song
Stenotrophomonas maltophilia (SM) has emerged as an important nosocomial pathogen with high morbidity and mortality. Because of its unique antimicrobial susceptibility pattern, appropriate antimicrobial therapy for SM bacteremia is still challenging, especially in immunocompromised patients. The present study was performed to assess clinical predictors of SM bacteremia in adult patients with hematologic malignancy. From 2006 through 2016, a case-control study was performed at a tertiary-care hospital. Case patients were defined as SM bacteremia in patients with hematologic malignancy...
November 14, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29138600/effects-of-chronic-exposure-of-hydroxychloroquine-chloroquine-on-the-risk-of-cancer-metastasis-and-death-a-population-based-cohort-study-on-patients-with-connective-tissue-diseases
#15
L Fardet, I Nazareth, I Petersen
Background: Hydroxychloroquine and chloroquine may reduce the risk of cancer as they inhibit autophagy, in particular, in people with connective tissue diseases. Methods: The hazard ratios of cancers, metastases, and death were assessed in adults with connective tissue diseases prescribed hydroxychloroquine/chloroquine for at least 1 year in comparison with unexposed individuals with the same underlying conditions. A competing risk survival regression analysis was performed...
2017: Clinical Epidemiology
https://www.readbyqxmd.com/read/29137279/implications-of-mutational-spectrum-in-myelodysplastic-syndromes-based-on-targeted-next-generation-sequencing
#16
Yuanyuan Xu, Yan Li, Qingyu Xu, Yuelong Chen, Na Lv, Yu Jing, Liping Dou, Jian Bo, Guangyuan Hou, Jing Guo, Xiuli Wang, Lili Wang, Yonghui Li, Chongjian Chen, Li Yu
Myelodysplastic syndromes (MDS) are a group of myeloid hematological malignancies, with a high risk of progression to acute myeloid leukemia (AML). To explore the role of acquired mutations in MDS, 111 MDS-associated genes were screened using next-generation sequencing (NGS), in 125 patients. One or more mutations were detected in 84% of the patients. Some gene mutations are specific for MDS and were associated with disease subtypes, and the patterns of mutational pathways could be associated with progressive MDS...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136723/-the-guidelines-for-the-diagnosis-and-management-of-multiple-myeloma-in-china-2017-revision
#17
(no author information available yet)
Multiple myeloma (MM) is a clonal plasma cell malignancy, mainly in elderly people and still incurable at present. In the ear of novel agents and sensitive laboratory exams, the diagnosis and treatment of MM have been significantly improved. Chinese MM guidelines for the diagnosis and treatment were updated every two years according to the progression of international and domestic research and clinical studies. In this version, we updated the response criteria and new combination regimens in newly diagnosed patients...
November 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29136185/cognitive-dysfunction-among-newly-diagnosed-older-patients-with-hematological-malignancy-frequency-clinical-indicators-and-predictors
#18
Sayo Aiki, Toru Okuyama, Koji Sugano, Yosuke Kubota, Fuminobu Imai, Masahiro Nishioka, Yoshinori Ito, Shinsuke Iida, Hirokazu Komatsu, Takashi Ishida, Shigeru Kusumoto, Tatsuo Akechi
Background: Medical staff often overlook or underestimate the presence or severity of cognitive dysfunction. The purpose of this study was to clarify the frequency, clinical indicators and predictors of cognitive dysfunction among newly diagnosed older patients with hematologic malignancy receiving first-line chemotherapy. Methods: Patients aged 65 years or over with a primary diagnosis of malignant lymphoma or multiple myeloma were consecutively recruited. Cognitive dysfunction was evaluated using the Mini-Mental State Examination (MMSE) twice: before starting chemotherapy (T1) and 1 month later (T2)...
November 10, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29134636/expanding-role-of-data-science-and-bioinformatics-in-drug-discovery-and-development
#19
Howard J Fingert
Numerous barriers have been identified which detract from successful applications of clinical trial data and platforms. Despite the challenges, opportunities are growing to advance compliance, quality, and practical applications through top-down establishment of guiding principles, coupled with bottom-up approaches to promote data science competencies among data producers. Recent examples of successful applications include modern treatments for hematologic malignancies, developed with support from public-private partnerships, guiding principles for data-sharing, standards for protocol designs and data management, digital technologies, and quality analytics...
November 14, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29133777/acute-lymphoblastic-leukemia-patient-with-variant-atf7ip-pdgfrb-fusion-and-favorable-response-to-tyrosine-kinase-inhibitor-treatment-a-case-report
#20
Ge Zhang, Yanle Zhang, Jianrong Wu, Yan Chen, Zhigui Ma
BACKGROUND Chromosomal translocations involving the PDGFRB gene have been reported in a broad spectrum of hematological malignancies. An ATF7IP/PDGFRB fusion was recently identified in a Philadelphia chromosome-like (Ph-like) B-progenitor acute lymphoblastic leukemia (B-ALL) patient. Here we report on a special case of a Ph-like ALL patient who had a variant ATF7IP/PDGFRB fusion. CASE REPORT In this case, a variant fusion was created between ATF7IP exon 9 (instead of exon 13) and PDGFRB exon 11, resulting in the loss of 411 nucleotides and 137 amino acids in the ATF7IP/PDGFRB fusion cDNA and its encoded chimeric protein, respectively...
November 14, 2017: American Journal of Case Reports
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