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https://www.readbyqxmd.com/read/28346666/disseminated-peripheral-neuroblastoma-in-a-rhodesian-ridgeback-dog
#1
R W Cook, L A Abraham, C I McCowan
CASE REPORT: A 4-year-old neutered male Rhodesian Ridgeback dog with right-sided Horner's syndrome, bilateral laryngeal paralysis, neck pain and bilateral hindlimb ataxia was euthanased following deterioration of its neurological status. Necropsy examination revealed an off-white retropharyngeal neoplastic mass (100 × 30 × 30 mm) attached to the base of the skull on the right side and macroscopic nodular metastases in the spleen and three vertebral bodies (C6, C7 and T6), including a nodule attached to the dura at C7...
April 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28346418/first-experience-of-hematopoietic-stem-cell-transplantation-treatment-of-shwachman-diamond-syndrome-using-unaffected-hla-matched-sibling-donor-produced-through-preimplantation-hla-typing
#2
A A Isaev, R V Deev, A Kuliev, I L Plaxa, N V Stancheva, A S Borovkova, I V Potapov, E A Pomerantseva, A G Chogovadze, K Y Boyarsky, A E Semenenko, A V Mikhailov, K G Shevchenko, A V Prikhodko, S Rechitsky, O V Paina, I M Barchatov, L S Zubarovskaya, O Verlinsky, I Y Bozo, B V Afanasyev
The only proven cure for Shwachman-Diamond syndrome (SDS) bone marrow failure is allogeneic hematopoietic stem cell transplantation (HSCT). However HSCT with donors other than HLA-identical siblings is associated with high mortality and unfavorable prognosis. This paper presents the first experience of HSCT treatment of SDS using an unaffected HLA-identical sibling produced through preimplantation genetic diagnosis (PGD). The patient was a 6-year-old blood transfusion-dependent SDS baby girl with secondary myelodysplastic syndrome, for whom no HLA-identical donor was available...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28346415/haplo-cord-transplantation-compared-to-haploidentical-transplantation-with-post-transplant-cyclophosphamide-in-patients-with-aml
#3
M Kwon, G Bautista, P Balsalobre, I Sánchez-Ortega, P Montesinos, A Bermúdez, A de Laiglesia, P Herrera, C Martin, K Humala, A Zabalza, M Torres, L Bento, L L Corral, I Heras, D Serrano, I Buño, J Anguita, C Regidor, R Duarte, R Cabrera, J Gayoso, J L Diez-Martin
For patients with AML, the best alternative donor remains to be defined. We analyze outcomes of patients who underwent myeloablative umbilical cord blood or haploidentical hemopoietic stem cell transplantation (HSCT) in Spain. Fifty-one patients underwent single umbilical cord blood transplantation supported by a third party donor (Haplo-Cord) between 1999 and 2012, and 36 patients received an haploidentical HSCT with post-transplant cyclophosphamide (PTCY-haplo) between 2012 and 2014 in GETH centers. The Haplo-Cord cohort included a higher proportion of patients with high disease risk index and use of TBI in the conditioning regimen, and hematopoietic cell transplantation-age Comorbidity Age Index was higher in PTCY-haplo patients...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28344885/pappalysin-1-t-cell-receptor-transgenic-allo-restricted-t-cells-kill-ewing-sarcoma-in-vitro-and-in-vivo
#4
Andreas Kirschner, Melanie Thiede, Thomas G P Grünewald, Rebeca Alba Rubio, Günther H S Richter, Thomas Kirchner, Dirk H Busch, Stefan Burdach, Uwe Thiel
Pregnancy-associated plasma protein-A (PAPPA), also known as pappalysin, is a member of the insulin-like growth factor (IGF) family. PAPPA acts as a protease, cleaving IGF inhibitors, i.e., IGF binding proteins (IGFBPs), thereby setting free IGFs. The insulin/IGF-axis is involved in cancer in general and in Ewing sarcoma (ES) in particular. ES is a highly malignant bone tumor characterized by early metastatic spread. PAPPA is associated with various cancers. It is overexpressed and required for proliferation in ES...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344877/impact-of-chemo-radiotherapy-on-immune-cell-composition-and-function-in-cervical-cancer-patients
#5
H van Meir, R A Nout, M J P Welters, N M Loof, M L de Kam, J J van Ham, S Samuels, G G Kenter, A F Cohen, C J M Melief, J Burggraaf, M I E van Poelgeest, S H van der Burg
New treatments based on combinations of standard therapeutic modalities and immunotherapy are of potential use, but require a profound understanding of immune modulatory properties of standard therapies. Here, the impact of standard (chemo)radiotherapy on the immune system of cervical cancer patients was evaluated. Thirty patients with cervical cancer were treated with external beam radiation therapy (EBRT), using conventional three-dimensional or intensity modulated radiation therapy without constraints for bone marrow sparing...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28341672/activation-of-myeloid-tlr4-mediates-t-lymphocyte-polarization-after-traumatic-brain-injury
#6
Molly Braun, Kumar Vaibhav, Nancy Saad, Sumbul Fatima, Darrell W Brann, John R Vender, Lei P Wang, Md Nasrul Hoda, Babak Baban, Krishnan M Dhandapani
Traumatic brain injury (TBI) is a major public health issue, producing significant patient mortality and poor long-term outcomes. Increasing evidence suggests an important, yet poorly defined, role for the immune system in the development of secondary neurologic injury over the days and weeks following a TBI. In this study, we tested the hypothesis that peripheral macrophage infiltration initiates long-lasting adaptive immune responses after TBI. Using a murine controlled cortical impact model, we used adoptive transfer, transgenic, and bone marrow chimera approaches to show increased infiltration and proinflammatory (classically activated [M1]) polarization of macrophages for up to 3 wk post-TBI...
March 24, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28337541/tyrosine-kinase-inhibitor-therapy-induced-changes-in-humoral-immunity-in-patients-with-chronic-myeloid-leukemia
#7
Hanna L M Rajala, Mohamed El Missiry, Anniina Ruusila, Perttu Koskenvesa, Tim H Brümmendorf, Bjorn T Gjertsen, Jeroen Janssen, Kourosh Lotfi, Berit Markevärn, Ulla Olsson-Strömberg, Leif Stenke, Jesper Stentoft, Johan Richter, Henrik Hjorth-Hansen, Anna Kreutzman, Satu Mustjoki
PURPOSE: Tyrosine kinase inhibitors (TKIs) have well-characterized immunomodulatory effects on T and NK cells, but the effects on the humoral immunity are less well known. In this project, we studied TKI-induced changes in B cell-mediated immunity. METHODS: We collected peripheral blood (PB) and bone marrow (BM) samples from chronic myeloid leukemia (CML) patients before and during first-line imatinib (n = 20), dasatinib (n = 16), nilotinib (n = 8), and bosutinib (n = 12) treatment...
March 23, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28337172/bone-marrow-derived-cell-accumulation-in-the-spinal-cord-is-independent-of-peripheral-mobilization-in-a-mouse-model-of-amyotrophic-lateral-sclerosis
#8
Kyle Peake, John Manning, Coral-Ann Lewis, Kevin Tran, Fabio Rossi, Charles Krieger
Bone marrow-derived cells (BMDCs) are capable of migrating across the blood-brain barrier (BBB) and accumulating in the central nervous system (CNS) when transplanted into recipients conditioned with whole-body irradiation or chemotherapy. We used the chemotherapeutic agents busulfan and treosulfan to condition recipient mice for transplantation with bone marrow (BM) cells isolated from donor mice ubiquitously expressing green fluorescent protein. We attempted to increase the accumulation of BMDCs in the CNS by mobilization of BMDCs using either, or both, granulocyte colony-stimulating factor (GCSF) or plerixafor (AMD3100)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28336524/dual-roles-for-bone-marrow-derived-sca-1-cells-in-cardiac-function
#9
Stephanie W Tobin, Shu-Hong Li, Jiao Li, Jun Wu, Azadeh Yeganeh, Pan Yu, Richard D Weisel, Ren-Ke Li
Recruitment of stem cells from the bone marrow (BM) is an important aspect of cardiac healing that becomes inefficient with age. We investigated the role of young stem cell antigen 1 (Sca-1)-positive BM cells on the aged heart by microarray analysis after BM reconstitution. Sca-1(+) and Sca-1(-) BM cells from young green fluorescent protein (GFP)-positive mice were used to reconstitute the BM of aged mice. Myocardial infarction (MI) was induced 3 mo later. GFP(+) cells were more abundant in the BM, blood, and heart of Sca-1(+) mice, which corresponded to preserved cardiac function after MI...
March 23, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28335858/netting-novel-regulators-of-hematopoiesis-and-hematologic-malignancies-in-zebrafish
#10
Wanda Kwan, Trista E North
Zebrafish are one of the preeminent model systems for the study of blood development (hematopoiesis), hematopoietic stem and progenitor cell (HSPC) biology, and hematopathology. The zebrafish hematopoietic system shares strong similarities in functional populations, genetic regulators, and niche interactions with its mammalian counterparts. These evolutionarily conserved characteristics, together with emerging technologies in live imaging, compound screening, and genetic manipulation, have been employed to successfully identify and interrogate novel regulatory mechanisms and molecular pathways that guide hematopoiesis...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28334434/withdrawn-nutrition-support-for-bone-marrow-transplant-patients
#11
REVIEW
Susan M Murray, Sima Pindoria
BACKGROUND: This is an update of the original Cochrane review published in Issue 2, 2002. Bone marrow transplantation involves administration of toxic chemotherapy and infusion of marrow cells. After treatment, patients can develop poor appetite, mucositis and gastrointestinal failure, leading to malnutrition. To prevent this, parenteral nutrition (PN) support is often first choice but is associated with increased risk of infection. Enteral nutrition (EN) is an alternative, as is addition of substrates...
March 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28334174/dna-damage-response-in-hematopoietic-stem-cells-an-evolutionary-trade-off-between-blood-regeneration-and-leukemia-suppression
#12
Shahar Biechonski, Muhammad Yassin, Michael Milyavsky
Self-renewing and multipotent hematopoietic stem cells (HSCs) maintain lifelong hematopoiesis. Their enormous regenerative potential coupled with lifetime persistence in the body, in contrast with the Progenitors, demand tight control of HSCs genome stability. Indeed, failure to accurately repair DNA damage in HSCs is associated with bone marrow failure and accelerated leukemogenesis. Recent observations exposed remarkable differences in several DNA-damage response (DDR) aspects between HSCs and Progenitors, especially in their DNA-repair capacities and susceptibility to apoptosis...
March 15, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28333899/-stem-progenitor-cells-in-diseases-of-the-respiratory-tract
#13
EDITORIAL
Tadeusz Płusa
Stem cells (SCs - stem cells) are characterized by plasticity and the ability to differentiate into other cell types. They are obtained from bone marrow, peripheral blood and cord blood. Mesenchymal stem cells (MSCs) shows a broad immunomodulating, increases the number of regulatory T cells (Treg), modifies the activity of T cells, dendritic cells and NK (natural killer). Direct impact on reducing the release of proinflammatory cytokines and increased release of proinflammatory cytokines. Within the respiratory tract has a number of resident stem and progenitor cells referred to as L-MSCs (lung mesenchymal stem cells) whose presence was confirmed by markers as defined in the trachea, epithelial cells and alveolar...
March 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28333846/prognostic-value-of-fluorine-18-fluorodeoxyglucose-uptake-of-bone-marrow-on-positron-emission-tomography-computed-tomography-for-prediction-of-disease-progression-in-cervical-cancer
#14
Jeong Won Lee, Seob Jeon, Seong Taek Mun, Sang Mi Lee
OBJECTIVE: This study aimed to evaluate the prognostic value of fluorine-18 fluorodeoxyglucose (FDG) uptake of bone marrow (BM) on positron emission tomography (PET)/computed tomography in patients with uterine cervical cancer. METHODS: One hundred forty-five patients with cervical cancer who underwent staging FDG PET/computed tomography and subsequent surgical resection or chemoradiotherapy were retrospectively enrolled in the study. Mean BM FDG uptake (BM standardized uptake value [SUV]) and BM-to-liver uptake ratio of FDG uptake (BLR) were measured...
March 23, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28332377/hb-heathrow-%C3%AE-103-g5-phe%C3%A2-leu-a-first-report-in-an-asian-patient-with-erythrocytosis
#15
Sang Yong Shin, Hyun Young Kim, Hee Jin Kim, Hoon Gu Kim
Congenital erythrocytosis (CE) is a rare and heterogeneous disease. The high oxygen affinity hemoglobin (Hb) variants are the most common cause of CE. Herein, we report a Korean patient with isolated erythrocytosis. A 25-year-old man was referred to our hospital for evaluation of high Hb level (Hb 20.4 g/dL, hematocrit 58%, reticulocyte count 2.90%, white blood cell count 6.83×10⁹/L, and platelet count 195×10⁹/L). Bone marrow biopsy revealed normocellular marrow without myeloproliferative features. JAK2 (V617F, exon 12), CALR (exon 9), and MPL W515K/L mutations were not detected...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28331814/molecular-techniques-for-the-personalised-management-of-patients-with-chronic-myeloid-leukaemia
#16
REVIEW
Mary Alikian, Robert Peter Gale, Jane F Apperley, Letizia Foroni
Chronic myeloid leukemia (CML) is the paradigm for targeted cancer therapy. RT-qPCR is the gold standard for monitoring response to tyrosine kinase-inhibitor (TKI) therapy based on the reduction of blood or bone marrow BCR-ABL1. Some patients with CML and very low or undetectable levels of BCR-ABL1 transcripts can stop TKI-therapy without CML recurrence. However, about 60 percent of patients discontinuing TKI-therapy have rapid leukaemia recurrence. This has increased the need for more sensitive and specific techniques to measure residual CML cells...
March 2017: Biomolecular Detection and Quantification
https://www.readbyqxmd.com/read/28331812/the-plasma-lipidome-in-acute-myeloid-leukemia-at-diagnosis-in-relation-to-clinical-disease-features
#17
Thomas Pabst, Linda Kortz, Georg M Fiedler, Uta Ceglarek, Jeffrey R Idle, Diren Beyoğlu
BACKGROUND: Early studies established that certain lipids were lower in acute myeloid leukemia (AML) cells than normal leukocytes. Because lipids are now known to play an important role in cell signaling and regulation of homeostasis, and are often perturbed in malignancies, we undertook a comprehensive lipidomic survey of plasma from AML patients at time of diagnosis and also healthy blood donors. METHODS: Plasma lipid profiles were measured using three mass spectrometry platforms in 20 AML patients and 20 healthy blood donors...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28331130/cytopenias-and-clonal-expansion-of-gamma-delta-t-cells-in-a-patient-with-anaplasmosis-a-potential-diagnostic-pitfall
#18
Daniel Marko, Anamarija M Perry, Arjuna Ponnampalam, Michel R Nasr
Human granulocytic anaplasmosis is a rare, tick-borne infectious disease caused by Anaplasma phagocytophilum. Herein, we report a rare case of human granulocytic anaplasmosis associated with cytopenias and clonal expansion of gamma/delta T-cells in the bone marrow. A 77-year old man presented multiple times to the emergency department complaining of muscle weakness. Complete blood count detected cytopenias and peripheral blood smear showed pseudo Pelger-Huet neutrophils. These findings prompted bone marrow evaluation with ancillary studies including flow cytometry, karyotyping and T-cell rearrangement studies...
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28331025/tetraploidy-acute-myeloid-leukaemia-after-chromosome-16-inversion
#19
Alba Sara Vilches, Aranzazu Díaz de Bustamante, Jorge Sanchez-Calero, María Teresa Darnaude
Our patient is a 36-year-old man referred by his general physician to the Department of Hematology because of mild neutropenia in a routine analysis at work. There was no history of previous diseases, and examination was normal. Blood investigations confirmed the neutropenia and showed elongation of prothrombin time. A bone marrow examination was performed revealing about 10% of myeloblasts on the aspirate smears. A cytogenetic study showed chromosome 16 inversion in all of these cells and tetraploidy only in some of them, which were extremely large in size...
March 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28329764/the-lung-is-a-site-of-platelet-biogenesis-and-a-reservoir-for-haematopoietic-progenitors
#20
Emma Lefrançais, Guadalupe Ortiz-Muñoz, Axelle Caudrillier, Beñat Mallavia, Fengchun Liu, David M Sayah, Emily E Thornton, Mark B Headley, Tovo David, Shaun R Coughlin, Matthew F Krummel, Andrew D Leavitt, Emmanuelle Passegué, Mark R Looney
Platelets are critical for haemostasis, thrombosis, and inflammatory responses, but the events that lead to mature platelet production remain incompletely understood. The bone marrow has been proposed to be a major site of platelet production, although there is indirect evidence that the lungs might also contribute to platelet biogenesis. Here, by directly imaging the lung microcirculation in mice, we show that a large number of megakaryocytes circulate through the lungs, where they dynamically release platelets...
March 22, 2017: Nature
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