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https://www.readbyqxmd.com/read/29050706/endocrine-sequelae-in-childhood-cancer-survivors
#1
Paula Casano Sancho
Thanks to the advances in cancer treatment, the five-year survival rate after childhood cancer has increased up to 80%. Therefore 1/500 young adults will be a survivor. Endocrine sequelae are most common, affecting 40-60% of survivors. The most frequent sequelae include growth failure and gonadal and thyroid diseases. Sequelae occur more frequently in survivors from central nervous system tumors, leukemia, and lymphoma. Their development will depend on the type of cancer, its location, age at diagnosis, and treatment administered...
November 2017: Endocrinología, diabetes y nutrición
https://www.readbyqxmd.com/read/29050459/third-party-regulatory-t-cells-prevent-murine-acute-graft-versus-host-disease
#2
Jung-Yeon Lim, Keon-Il Im, Yunejin Song, Nayoun Kim, Young-Sun Nam, Young-Woo Jeon, Seok-Goo Cho
Background/Aims: Adoptive therapy with regulatory T (Treg) cells to prevent graft-versus-host disease (GVHD) would benefit from a strategy to improve homing to the sites of inflammation following hematopoietic stem cell transplantation (HSCT). Although donor-derived Treg cells have mainly been used in these models, third-party-derived Treg cells are a promising alternative for cell-based immunotherapy, as they can be screened for pathogens and cell activity, and banked for GVHD prevention...
October 19, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29049232/case-report-central-nervous-system-involvement-of-human-graft-versus-host-disease-report-of-7-cases-and-a-review-of-literature
#3
Mathilde Ruggiu, Wendy Cuccuini, Karima Mokhtari, Véronique Meignin, Régis Peffault de Latour, Marie Robin, Flore Sicre de Fontbrune, Aliénor Xhaard, Gérard Socié, David Michonneau
RATIONALE: Central nervous system (CNS) involvement of graft versus host disease (GvHD) is a rare cause of CNS disorders after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Chronic CNS GvHD symptoms are heterogeneous and include cerebrovascular manifestations, demyelinating disease and immune-mediated encephalitis. CNS-Acute GvHD is not formally defined in literature. PATIENTS CONCERNS AND DIAGNOSES: We report 7 cases of CNS-GvHD among which two had histological-proven disease...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29042320/bone-targeting-nanoparticle-to-co-deliver-decitabine-and-arsenic-trioxide-for-effective-therapy-of-myelodysplastic-syndrome-with-low-systemic-toxicity
#4
Xiaoyan Wu, Zhenhua Hu, Sara Nizzero, Guodong Zhang, R Maricela Ramirez, Ce Shi, Jin Zhou, Mauro Ferrari, Haifa Shen
Myelodysplastic syndromes (MDS) are a diverse group of bone marrow disorders and clonal hematopoietic stem cell disorders characterized by abnormal blood cells, or reduced peripheral blood cell count. Recent clinical studies on combination therapy of decitabine (DAC) and arsenic trioxide (ATO) have demonstrated synergy on MDS treatment, but the treatment can cause significant side effects to patients. In addition, both drugs have to be administered on a daily basis due to their short half-lives. In addressing key issues of reducing toxic side effects and improving pharmacokinetic profiles of the therapeutic agents, we have developed a new formulation by co-packaging DAC and ATO into alendronate-conjugated bone-targeting nanoparticles (BTNPs)...
October 14, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29042190/hematopoietic-stem-progenitor-involvement-in-retinal-microvascular-repair-during-diabetes-implications-for-bone-marrow-rejuvenation
#5
Ashay D Bhatwadekar, Yaqian Duan, Maria Korahw, Jeffrey S Thinschmidt, Ping Hu, Sameer P Leley, Sergio Caballero, Lynn Shaw, Julia Busik, Maria B Grant
The widespread nature of diabetes affects all organ systems of an individual including the bone marrow. Long-term damage to the cellular and extracellular components of the bone marrow leads to a rapid decline in the bone marrow-hematopoietic stem/progenitor cells (HS/PCs) compartment. This review will highlight the importance of bone marrow microenvironment in maintaining bone marrow HS/PC populations and the contribution of these key populations in microvascular repair during the natural history of diabetes...
October 14, 2017: Vision Research
https://www.readbyqxmd.com/read/29039481/administration-of-erythropoietin-prevents-bone-loss-in-osteonecrosis-of-the-femoral-head-in-mice
#6
Taotao Xu, Hongting Jin, Yangjun Lao, Pinger Wang, Shanxing Zhang, Hongfeng Ruan, Qiang Mao, Li Zhou, Luwei Xiao, Peijian Tong, Chengliang Wu
Long‑term administration of glucocorticoid hormones is considered one of predominant pathological factors inducing osteonecrosis of the femoral head (ONFH) development and progression, in which reduction of blood supply leads to a progressive bone loss and impairment of bone structure in the majority of cases. In a non‑hematopoietic system, erythropoietin (EPO) can stimulate angiogenesis and bone regeneration. However, the specific mechanism underlying the role of EPO in ONFH remains to be elucidated. Therefore, the purpose of this study was to determine the effect of EPO on the prevention of bone loss in ONFH...
October 6, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29038942/fitting-structure-to-function-in-gene-regulatory-networks
#7
Ellen V Rothenberg
Cascades of transcriptional regulation are the common source of the forward drive in all developmental systems. Increases in complexity and specificity of gene expression at successive stages are based on the collaboration of varied combinations of transcription factors already expressed in the cells to turn on new genes, and the logical relationships between the transcription factors acting and becoming newly expressed from stage to stage are best visualized as gene regulatory networks. However, gene regulatory networks used in different developmental contexts underlie processes that actually operate through different sets of rules, which affect the kinetics, synchronicity, and logical properties of individual network nodes...
October 16, 2017: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/29035282/endothelial-transplantation-rejuvenates-aged-hematopoietic-stem-cell-function
#8
Michael G Poulos, Pradeep Ramalingam, Michael C Gutkin, Pierre Llanos, Katherine Gilleran, Sina Y Rabbany, Jason M Butler
Age-related changes in the hematopoietic compartment are primarily attributed to cell-intrinsic alterations in hematopoietic stem cells (HSCs); however, the contribution of the aged microenvironment has not been adequately evaluated. Understanding the role of the bone marrow (BM) microenvironment in supporting HSC function may prove to be beneficial in treating age-related functional hematopoietic decline. Here, we determined that aging of endothelial cells (ECs), a critical component of the BM microenvironment, was sufficient to drive hematopoietic aging phenotypes in young HSCs...
October 16, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29035281/young-endothelial-cells-revive-aging-blood
#9
Vivian Y Chang, Christina M Termini, John P Chute
The hematopoietic system declines with age, resulting in decreased hematopoietic stem cell (HSC) self-renewal capacity, myeloid skewing, and immune cell depletion. Aging of the hematopoietic system is associated with an increased incidence of myeloid malignancies and a decline in adaptive immunity. Therefore, strategies to rejuvenate the hematopoietic system have important clinical implications. In this issue of the JCI, Poulos and colleagues demonstrate that infusions of bone marrow (BM) endothelial cells (ECs) from young mice promoted HSC self-renewal and restored immune cell content in aged mice...
October 16, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29034341/paclitaxel-induces-stathmin-1-phosphorylation-microtubule-stability-and-apoptosis-in-acute-lymphoblastic-leukemia-cells
#10
João Agostinho Machado-Neto, Ana Paula Nunes Rodrigues Alves, Jaqueline Cristina Fernandes, Juan Luiz Coelho-Silva, Renata Scopim-Ribeiro, Bruna Alves Fenerich, Fernanda Borges da Silva, Priscila Santos Scheucher, Belinda Pinto Simões, Eduardo Magalhães Rego, Fabiola Traina
Acute lymphoblastic leukemia (ALL) is a hematological malignancy characterized by abnormal proliferation and accumulation of lymphoblasts in the hematopoietic system. Stathmin 1 is a proliferation marker for normal lymphocytes, which has been described as highly expressed in ALL patients and functionally important for leukemia phenotype. In the present study, we expand our previous observations and aim to investigate Stathmin 1 expression and its impact on laboratory features and clinical outcomes in an independent cohort of ALL patients, and to verify the effects of paclitaxel treatment on Stathmin 1 phosphorylation and cell viability in ALL cell lines...
September 2017: Heliyon
https://www.readbyqxmd.com/read/29032731/cytogenetic-risk-stratification-may-predict-allogeneic-hematopoietic-stem-cell-transplantation-outcomes-for-chronic-myelomonocytic-leukemia
#11
Kenji Motohashi, Shin Fujisawa, Noriko Doki, Takeshi Kobayashi, Takehiko Mori, Kensuke Usuki, Masatsugu Tanaka, Shinichiro Fujiwara, Shinichi Kako, Yasuyuki Aoyama, Masahiro Onoda, Shingo Yano, Moritaka Gotoh, Heiwa Kanamori, Satoshi Takahashi, Shinichiro Okamoto
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is the only curative treatment for chronic myelomonocytic leukemia (CMML); however, factors predicting allo-HSCT outcomes for CMML have not been well defined. This study assessed whether the existing five scoring systems for CMML prognosis could be applied for predicting allo-HSCT outcomes. We retrospectively evaluated 38 patients who underwent allo-HSCT for CMML from 2000 to 2014. At 3 years, overall survival (OS) and disease-free survival were 34...
October 16, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29032273/torquetenovirus-dynamics-and-immune-marker-properties-in-patients-following-allogeneic-hematopoietic-stem-cell-transplantation-a-prospective-longitudinal-study
#12
Philipp Wohlfarth, Michael Leiner, Christian Schoergenhofer, Georg Hopfinger, Irene Goerzer, Elisabeth Puchhammer-Stoeckl, Werner Rabitsch
BACKGROUND: Torquetenovirus (TTV) has been proposed as a marker of immune function in patients receiving immunosuppression after solid organ transplantation. This study aimed to define TTV plasma dynamics and investigate clinical associations in patients following allogeneic hematopoietic stem cell transplantation (HSCT). METHODS: Single-center prospective longitudinal study involving 50 consecutive patients treated with HSCT between March 2015 and April 2016. TTV plasma DNA levels were measured with quantitative PCR on twelve consecutive timepoints during the first year following HSCT...
October 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29031507/-sport-coaching-for-psychological-and-social-recovery-after-hematological-cancer-an-innovative-perspective
#13
Sarah Calvin, Didier Blaise, Patrick Ben Soussan, Sarah Cuvelier, Nicolas Cicut, Laurence Caymaris, Yolande Arnault, Claude Onesta, Pierre Dantin, Patrice Viens
This study is a first step towards the transfer of knowledge and practices between psychological support and performance in elite sport and a patient's "social recovery" in oncology. This proposal brings together people engaged in a variety of healthcare and relationship support roles, and aims to set up a support system beyond the hospital context. It questions the ability of elite sport management and its main actors, the "Great Coaches", to contribute to the support of patients in cancer remission through an onco-coaching approach...
October 11, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/29030827/genome-wide-identification-of-transcription-factor-binding-sites-in-quiescent-adult-neural-stem-cells
#14
Shradha Mukherjee, Jenny Hsieh
Transcription factors bind to specific DNA sequences and control the transcription rate of nearby genes in the genome. This activation or repression of gene expression is further potentiated by epigenetic modifications of histones with active and silent marks, respectively. Resident adult stem cells in the hematopoietic system, skin, and brain exist in a non-proliferative quiescent resting state. When quiescent stem cells become activated and transition to dividing progenitors and distinct cell types, they can replenish and repair tissue...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29030821/retroviral-transduction-of-quiescent-murine-hematopoietic-stem-cells
#15
Chun Shik Park, H Daniel Lacorazza
Hematopoietic stem cells (HSCs) represent an important target cell population in bone marrow transplantation, cell and gene therapy applications, and the development of leukemia models for research. Because the hematopoietic progeny carries the genetic information of HSCs and replenishes the blood and immune system, corrective gene transfer into HSCs provides an ideal therapeutic approach for many monogenic hematological diseases and a useful tool for studies of HSC function and blood formation in normal and malignant hematopoiesis...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29030487/macrophage-specific-expression-of-il-37-in-hyperlipidemic-mice-attenuates-atherosclerosis
#16
Sara McCurdy, Yvonne Baumer, Emma Toulmin, Bog-Hieu Lee, William A Boisvert
Atherosclerosis, the progressive buildup of plaque within arterial blood vessels, can lead to fatal downstream events, such as heart attack or stroke. A key event contributing to the development of atherosclerosis is the infiltration of monocytes and its associated inflammation, as well as the formation of lipid-laden macrophage foam cells within the vessel wall. IL-37 is recognized as an important anti-inflammatory cytokine expressed especially by immune cells. This study was undertaken to elucidate the role of macrophage-expressed IL-37 in reducing the production and effects of proinflammatory cytokines, preventing foam cell formation, and reducing the development of atherosclerosis...
October 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29030083/human-bone-marrow-mesenchymal-stem-cells-secrete-endocannabinoids-that-stimulate-in-vitro-hematopoietic-stem-cell-migration-effectively-comparable-to-beta-adrenergic-stimulation
#17
Sevil Köse, Fatima Aerts-Kaya, Ağla Zübeyde Köprü, Emirhan Nemutlu, Barış Kuşkonmaz, Beren Karaosmanoğlu, Zihni Ekim Taşkıran, Belgin Altun, Duygu Uçkan Çetinkaya, Petek Korkusuz
Granulocyte Colony-Stimulating Factor (G-CSF) is a well-known hematopoietic stem cell (HSC) mobilizing agent used in both allogeneic and autologous transplantation. However, a proportion of patients or healthy donors fail to mobilize sufficient number of cells. New mobilization agents are therefore needed. Endocannabinoids (eCBs) are endogenous lipid mediators generated in the brain and peripheral tissues and activate the cannabinoid receptors (CB1, CB2). We suggest that eCBs may act as mobilizers of hematopoietic stem cells (HSC) from the BM under stress conditions as beta adrenergic receptors (Adrβ)...
October 10, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/29025582/a-novel-trip11-flt3-fusion-in-a-patient-with-a-myeloid-lymphoid-neoplasm-with-eosinophilia
#18
Alfred Chung, Yanli Hou, Robert S Ohgami, Ann Von Gehr, Dianna G Fisk, Krishna M Roskin, Xu Li, Linda Gojenola, Charles D Bangs, Daniel A Arber, Andrew Z Fire, Athena M Cherry, James L Zehnder, Jason Gotlib, Jason D Merker
FLT3 fusions are associated with myeloid and lymphoid neoplasms with eosinophilia. We describe a patient presenting with clinicopathologic features of both chronic eosinophilic leukemia, not otherwise specified (CEL, NOS) and systemic mastocytosis (SM). The bone marrow demonstrated a myeloproliferative neoplasm with eosinophilia and aggregates of atypical mast cells. Cytogenetic analysis revealed a t(13;14)(q12;q32), which was subsequently molecularly characterized as a novel TRIP11-FLT3 rearrangement. A KIT D816V mutation was also identified...
October 2017: Cancer Genetics
https://www.readbyqxmd.com/read/29025154/hematological-alterations-in-protein-malnutrition
#19
Ed W Santos, Dalila C Oliveira, Graziela B Silva, Maristela Tsujita, Jackeline O Beltran, Araceli Hastreiter, Ricardo A Fock, Primavera Borelli
Protein malnutrition is one of the most serious nutritional problems worldwide, affecting 794 million people and costing up to $3.5 trillion annually in the global economy. Protein malnutrition primarily affects children, the elderly, and hospitalized patients. Different degrees of protein deficiency lead to a broad spectrum of signs and symptoms of protein malnutrition, especially in organs in which the hematopoietic system is characterized by a high rate of protein turnover and, consequently, a high rate of protein renewal and cellular proliferation...
September 6, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/29024236/mesenchymal-stromal-cell-derived-extracellular-vesicles-provide-long-term-survival-after-total-body-irradiation-without-additional-hematopoietic-stem-cell-support
#20
Jill-Sandra Schoefinius, Bärbel Brunswig-Spickenheier, Thomas Speiseder, Sabrina Krebs, Ursula Just, Claudia Lange
The therapeutic effect of mesenchymal stromal cells (MSC) in tissue regeneration is based mainly on the secretion of bioactive molecules. Here, we report that the radioprotective effect of mouse bone marrow derived MSC (mMSC) can be attributed to extracellular vesicles (EV) released from mMSC. The transplantation of mMSC-derived EV into lethally irradiated mice resulted in long-term survival but no improvement in short-term reconstitution of the recipients. Importantly, the radiation rescue was efficient without additional hematopoietic support...
October 11, 2017: Stem Cells
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