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https://www.readbyqxmd.com/read/28240810/ultraviolet-320-nm-laser-excitation-for-flow-cytometry
#1
William Telford, Lynn Stickland, Marco Koschorreck
Although multiple lasers and high-dimensional analysis capability are now standard on advanced flow cytometers, ultraviolet (UV) lasers (usually 325-365 nm) remain an uncommon excitation source for cytometry. This is primarily due to their cost, and the small number of applications that require this wavelength. The development of the Brilliant Ultraviolet (BUV fluorochromes, however, has increased the importance of this formerly niche excitation wavelength. Historically, UV excitation was usually provided by water-cooled argon- and krypton-ion lasers...
April 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28238813/genomewide-bisulfite-sequencing-reveals-the-origin-and-time-dependent-fragmentation-of-urinary-cfdna
#2
Timothy H T Cheng, Peiyong Jiang, Jacqueline C W Tam, Xiao Sun, Wing-Shan Lee, Stephanie C Y Yu, Jeremy Y C Teoh, Peter K F Chiu, Chi-Fai Ng, Kai-Ming Chow, Cheuk-Chun Szeto, K C Allen Chan, Rossa W K Chiu, Y M Dennis Lo
Urinary cell-free (cf) DNA holds great potential as a completely noninvasive form of liquid biopsy. Knowledge of the composition of cfDNA by tissue of origin is useful for guiding its clinical uses. We conducted a global survey of urinary cfDNA composition using genomewide bisulfite sequencing. While previous studies focused on detecting cfDNA from a single source at a time, genomewide tissue specific methylation signatures allow us to simultaneously deduce the proportional contribution from each contributing tissue...
February 23, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28179213/juvenile-myelomonocytic-leukemia-in-turkey-a-retrospective-analysis-of-65-patients
#3
Özlem Tüfekçi, Ülker Koçak, Zühre Kaya, İdil Yenicesu, Canan Albayrak, Davut Albayrak, Şebnem Yılmaz Bengoa, Türkan Patıroğlu, Musa Karakükçü, Ekrem Ünal, Elif Ünal İnce, Talia İleri, Mehmet Ertem, Tiraje Celkan, Gül Nihal Özdemir, Nazan Sarper, Dilek Kaçar, Neşe Yaralı, Namık Yaşar Özbek, Alphan Küpesiz, Tuba Karapınar, Canan Vergin, Ümran Çalışkan, Hüseyin Tokgöz, Melike Sezgin Evim, Birol Baytan, Adalet Meral Güneş, Deniz Yılmaz Karapınar, Serap Karaman, Vedat Uygun, Gülsun Karasu, Mehmet Akif Yeşilipek, Ahmet Koç, Erol Erduran, Berna Atabay, Haldun Öniz, Hale Ören
OBJECTIVE: To define the status of juvenile myelomonocytic leukemia (JMML) patients in Turkey, in terms of time of diagnosis, clinical characteristics, mutational studies, clinical course and treatment strategies. MATERIALS AND METHODS: Data including clinical and labarotory characteristics and treatment strategies of JMML patients were collected retrospectively from pediatric hematology-oncology centers in Turkey. RESULTS: Sixty-five children with JMML diagnosed between 2002 and 2016 in 18 institutions throughout Turkey were enrolled into the study...
February 9, 2017: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/28105353/isolated-extramedullary-cutaneous-relapse-despite-concomitant-severe-graft-vs-host-disease-and-tissue-chimerism-analysis-in-a-patient-with-acute-lymphoblastic-leukemia-after-allogeneic-hematopoietic-stem-cell-transplantation-a-case-report
#4
Bulent Kantarcioglu, Huseyin Saffet Bekoz, Yeliz Duvarci Ogret, Asli Cakir, Demet Kivanc, Fatma Savran Oguz, Deniz Sargin
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is a potentially curative treatment option for patients with acute lymphoblastic leukemia (ALL). The curative potential of allo-HSCT for ALL is, in part, due to the graft-vs.-leukemia (GVL) effect, in addition to the intensive conditioning chemo-radiotherapy. However, relapse remains the major cause of treatment failure following allo-HSCT for ALL. In the allo-HSCT setting, testing for genetic markers of hematopoietic chimerism has become a part of the routine diagnostic program...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28103249/the-green-tea-catechin-epigallocatechin-gallate-ameliorates-graft-versus-host-disease
#5
Sabine Westphal, Aleixandria McGeary, Sandra Rudloff, Andrea Wilke, Olaf Penack
Allogeneic hematopoetic stem cell transplantation (allo-HSCT) is a standard treatment for leukemia and other hematologic malignancies. The major complication of allo-HSCT is graft-versus-host-disease (GVHD), a progressive inflammatory illness characterized by donor immune cells attacking the organs of the recipient. Current GVHD prevention and treatment strategies use immune suppressive drugs and/or anti-T cell reagents these can lead to increased risk of infections and tumor relapse. Recent research demonstrated that epigallocatechin gallate (EGCG), a component found in green tea leaves at a level of 25-35% at dry weight, may be useful in the inhibition of GVHD due to its immune modulatory, anti-oxidative and anti-angiogenic capacities...
2017: PloS One
https://www.readbyqxmd.com/read/27914035/mobilization-of-peripheral-blood-stem-cells-and-changes-in-the-concentration-of-plasma-factors-influencing-their-movement-in-patients-with-panic-disorder
#6
Marcin Jabłoński, Jolanta Kucharska Mazur, Maciej Tarnowski, Barbara Dołęgowska, Daniel Pędziwiatr, Ewa Kubiś, Marta Budkowska, Daria Sałata, Justyna Pełka Wysiecka, Arkadiusz Kazimierczak, Artur Reginia, Mariusz Z Ratajczak, Jerzy Samochowiec
In this paper we examined whether stem cells and factors responsible for their movement may serve as new biological markers of anxiety disorders. The study was carried out on a group of 30 patients diagnosed with panic disorder (examined before and after treatment), compared to 30 healthy individuals forming the control group. We examined the number of circulating HSCs (hematopoetic stem cells) (Lin-/CD45 +/CD34 +) and HSCs (Lin-/CD45 +/AC133 +), the number of circulating VSELs (very small embryonic-like stem cells) (Lin-/CD45-/CD34 +) and VSELs (Lin-/CD45-/AC133 +), as well as the concentration of complement components: C3a, C5a and C5b-9, SDF-1 (stromal derived factor) and S1P (sphingosine-1-phosphate)...
April 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/27903025/-antifungal-medication-new-substances-new-experiences
#7
REVIEW
Dieter Buchheidt, Wolf-Karsten Hofmann
The incidence of life threatening invasive fungal infections in patients with hematological malignancies during intensive chemotherapy or after hematopoetic stem cell transplantation, patients after solid organ transplantation, ICU patients and premature infants is rising. Mortality rates of invasive fungal infections, caused by Aspergillus species or mucormycetes, may reach 100%, in spite of considerable progress in diagnosis, antifungal prophylaxis and therapy. Comprehensive, profound knowledge of specific diagnostic and current treatment algorithms is essential to improve the prognosis of patients suffering from systemic fungal infections; this article encompasses recent developments in the field of antifungal treatment...
November 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27862750/skin-lesion-in-a-patient-with-acute-myeloid-leukemia
#8
Atul Kothari, Sara C Shalin, Juan Carlos Rico Crescencio, Mary J Burgess
We present the case of a 51-year-old man with acute myeloid leukemia who developed fevers with a skin lesion following the first cycle of induction chemotherapy. Skin biopsy showed evidence of invasive fungal infection. Cultures remained negative, but polymerase chain reaction on tissue detected Rhizopus oryzae complex. The patient was started on liposomal amphotericin B and underwent surgical debridement. He was switched to posaconazole, with plans for allogeneic hematopoetic stem cell transplant in the future...
November 16, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27729946/status-of-stem-cells-in-diabetic-nephropathy-predictive-and-preventive-potentials
#9
Babak Baban, Jun Yao Liu, Samuel Payne, Worku Abebe, Jack C Yu, Mahmood S Mozaffari
BACKGROUND: Recruitment of stem cells to sites of tissue injury constitutes an important mechanism aimed at tissue repair and regeneration. However, it is not clear how the diabetic milieu affects the viability of endogenous stem cells. Thus, we tested the hypothesis that diabetes mellitus is associated with increased apoptosis which, in turn, contributes to reduction in stem cells and the manifestation of type 2 diabetic nephropathy. METHODS: Sixteen-week-old male obese type 2 diabetic db/db mice, and their appropriate controls, were used for assessment of the status of endothelial progenitor cells (EPCs), mesenchymal stem cells (MSCs), and hematopoetic stem cells (HSCs) in the peripheral blood and renal tissue using specific cell markers...
2016: EPMA Journal
https://www.readbyqxmd.com/read/27658761/a-prospective-study-on-the-natural-history-of-patients-with-profound-combined-immunodeficiency-an-interim-analysis
#10
Carsten Speckmann, Sam Doerken, Alessandro Aiuti, Michael H Albert, Waleed Al-Herz, Luis M Allende, Alessia Scarselli, Tadej Avcin, Ruy Perez-Becker, Caterina Cancrini, Andrew Cant, Silvia Di Cesare, Andrea Finocchi, Alain Fischer, H Bobby Gaspar, Sujal Ghosh, Andrew Gennery, Kimberly Gilmour, Luis I González-Granado, Monica Martinez-Gallo, Sophie Hambleton, Fabian Hauck, Manfred Hoenig, Despina Moshous, Benedicte Neven, Tim Niehues, Luigi Notarangelo, Capucine Picard, Nikolaus Rieber, Ansgar Schulz, Klaus Schwarz, Markus G Seidel, Pere Soler-Palacin, Polina Stepensky, Brigitte Strahm, Thomas Vraetz, Klaus Warnatz, Christine Winterhalter, Austen Worth, Sebastian Fuchs, Annette Uhlmann, Stephan Ehl
BACKGROUND: Absent T-cell immunity resulting in life-threatening infections provides a clear rationale for hematopoetic stem cell transplantation (HSCT) in patients with severe combined immunodeficiency (SCID). Combined immunodeficiencies (CIDs) and "atypical" SCID show reduced, not absent T-cell immunity. If associated with infections or autoimmunity, they represent profound combined immunodeficiency (P-CID), for which outcome data are insufficient for unambiguous early transplant decisions...
April 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27556191/role-of-ultrasound-in-complications-of-hematopoetic-stem-cell-transplantation
#11
Anil Chauhan, Nauroze A Faizi, Yin Jie Chen, Lisa P Jones, Naveen Garg, Priya R Bhosale
Hematopoetic stem cell transplantation (HSCT) is an established therapeutic option for both malignant and nonmalignant indications, whose incidence has continued to increase in recent years. Because of its lower cost and lack of radiation exposure, ultrasound examination is often the first-line imaging modality in evaluating patients both before and after HSCT. It is important for radiologists to be aware of sonographic manifestations of the complications that may arise from HSCT. In this study, we will review the basics of HSCT, the role of imaging, and ultrasound examination findings in common and uncommon complications arising from HSCT...
September 2016: Ultrasound Quarterly
https://www.readbyqxmd.com/read/27543915/group-based-trajectory-modeling-of-distress-and-well-being-among-caregivers-of-children-undergoing-hematopoetic-stem-cell-transplant
#12
Stephen A Sands, Laura Mee, Abraham Bartell, Sharon Manne, Katie A Devine, Mirko Savone, Deborah A Kashy
Objective: To examine the trajectories of caregiver psychological responses in the year following their child's hematopoetic stem cell transplant (HSCT), and whether cognitive and social processing strategies differentiated between trajectories. Method: One hundred and eight caregivers randomized to the control condition of a cognitive-behavioral intervention study completed measures of distress, coping, and social support at baseline, 1 month, 6 months, and 1 year post HSCT of their child...
April 1, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/27540139/pre-transplantation-minimal-residual-disease-with-cytogenetic-and-molecular-diagnostic-features-improves-risk-stratification-in-acute-myeloid-leukemia
#13
Betül Oran, Jeff L Jorgensen, David Marin, Sa Wang, Sairah Ahmed, Amin M Alousi, Borje S Andersson, Qaiser Bashir, Roland Bassett, Genevieve Lyons, Julianne Chen, Katy Rezvani, Uday Popat, Partow Kebriaei, Keyur Patel, Gabriela Rondon, Elizabeth J Shpall, Richard E Champlin
Our aim was to improve outcome prediction after allogeneic hematopoietic stem cell transplantation in acute myeloid leukemia by combining cytogenetic and molecular data at diagnosis with minimal residual disease assessment by multicolor flow-cytometry at transplantation. Patients with acute myeloid leukemia in first complete remission in whom minimal residual disease was assessed at transplantation were included and categorized according to the European LeukemiaNet classification. The primary outcome was 1-year relapse incidence after transplantation...
January 2017: Haematologica
https://www.readbyqxmd.com/read/27457874/-guidelines-for-vaccination-of-immunocompromised-individuals
#14
Ursula Wiedermann, Harald H Sitte, Heinz Burgmann, Alexander Eser, Petra Falb, Heidemarie Holzmann, Maria Kitchen, Marcus Köller, Herwig Kollaritsch, Michael Kundi, Hans Lassmann, Ingomar Mutz, Winfried F Pickl, Elisabeth Riedl, Maria Sibilia, Florian Thalhammer, Barbara Tucek, Werner Zenz, Karl Zwiauer
Immunosuppression of various origins is associated with an increased risk of infection; therefore the prevention of infectious diseases by vaccination is especially important in immunocompromised patients. However, the response to vaccinations is often reduced in these risk groups and the application of live vaccines is contraindicated during immunosuppression.In the following expert statement, recommendations for vaccination were created on the basis of current evidence and theoretical/immunological considerations...
August 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27429520/improving-outcome-of-thalassemia-with-hematopoetic-stem-cell-transplantation-an-experience-of-gujarat-cancer-research-institute
#15
Shreeniwas Raut, Sandip Shah, Kamalesh Shah, Kinnari Patel, Shailesh Talati, Sonia Parikh, Asha Anand, Harsha Panchal, Apurva Patel
Total 26 children of thalassemia underwent hematopoetic stem cell transplantation from September 2006 to December 2014. Out of these 17 were matched sibling transplantation (MST) and 9 were unrelated umbilical cord blood transplantation (UCT). Median age was 4 years. At a median follow up of 46.5 months, 12 of 17 (70 %) MST and 3 out of 9 (33.33 %) UCT were cured of thalassemia. Three (11.53 %) patients died due to transplant related mortality. Average cost of MST was 6 lakhs and that of UCT was 20 lakhs...
September 2016: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/27322507/the-evaluation-of-nt-procnp-c-reactive-protein-and-serum-amyloid-a-protein-concentration-in-patients-with-multiple-myeloma-undergoing-stem-cell-transplantation
#16
Ryszard Tomasiuk, Krzysztof Gawroński, Piotr Rzepecki, Michał Rabijewski, Marek Cacko
The importance of proinflamatory cytokines and acute phase proteins in pathogenesis and progression of MM is well known. However, there are any studies evaluating the role of NT-proCN in management and treatment of MM. The aim of our study was to evaluate the concentration of NT-proCNP and acute phase proteins in patients with MM before and after stem cell transplantation. We involved 40 newly diagnosed MM patients in stage III according to the Durie-Salmon classification and treated with high dose of melphalan (200mg/m2) prior to ASCT...
August 2016: Leukemia Research
https://www.readbyqxmd.com/read/27299503/loss-of-sfrp2-in-the-niche-amplifies-stress-induced-cellular-responses-and-impairs-the-in-vivo-regeneration-of-the-hematopoietic-stem-cell-pool
#17
Franziska Ruf, Christina Schreck, Alina Wagner, Sandra Grziwok, Charlotta Pagel, Sandra Romero, Matthias Kieslinger, Akihiko Shimono, Christian Peschel, Katharina S Götze, Rouzanna Istvanffy, Robert A J Oostendorp
Sfrp2 is overexpressed in stromal cells which maintain hematopoietic stem cells (HSCs) during in vitro culture. We here showed, that coculture of hematopoetic cells with stromal cells with reduced expression of Sfrp2 increases the number lineage-negative Kit(+) Sca-1(+) (LSK) and progenitor cells in vitro. The LSK cells from these cocultures showed activation of canonical Wnt signaling, higher levels of Ki-67, BrdU incorporation, and the number of γH2A.X positive foci. Total repopulating activity of these cultures was, however, diminished, indicating loss of HSC...
September 2016: Stem Cells
https://www.readbyqxmd.com/read/27151728/diffuse-large-b-cell-lymphoma-and-polycythemia-vera-discovered-at-the-onset-a-rare-association-and-its-possible-importance-in-lymphoma-prognosis
#18
Viola Maria Popov, Camelia Marioara Dobrea, Mihai Popescu, Iancu Emil Pleşea, Valentin Titus Grigorean, Ruxandra Diana Sinescu, Victor Dan Eugen Strâmbu
UNLABELLED: Diffuse large B-cell lymphoma (DLBCL) represent the most frequently non-Hodgkin's lymphoma (NHL) (over 30%), especially in developing countries. Many associations of NHL with another neoplasia were described following chemotherapy or radiotherapy regimens. The coexistence of DLBCL with myeloproliferative neoplasms (MPNs) JAK2V617F positive at the onset was very rare reported in the literature. We describe a clinical case of a 52-year-old man who presented both diagnoses at the onset - DLBCL and MPN - polycythemia vera (PV) type...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/26990469/cyclosporine-induced-sebaceous-hyperplasia-in-a-hematopoetic-stem-cell-transplant-patient-delayed-onset-of-a-common-adverse-event
#19
Reason Wilken, Maxwell A Fung, Vivian Y Shi, Michelle Y Cheng, Forum Patel, Hawa Sultani, Emanual Maverakis
Cyclosporine-induced sebaceous hyperplasia (SH) is a well-documented entity, occurring in up to 30% of renal transplant patients treated with cyclosporine and has also been reported to occur following heart or hematopoetic stem cell transplantation (HCST). Cyclosporine has a stimulatory effect on undifferentiated sebocytes, resulting in the clinical and histologic findings in these patients. Sebaceous hyperplasia most commonly presents as asymptomatic papules over the face, chest, or groin. Herein we describe a case of a 27-year-old man who developed facial sebaceous hyperplasia five months after completing cyclosporine therapy for cutaneous graft versus host disease (GVHD) following HSCT...
January 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/26913620/a-randomized-clinical-trial-of-a-parent-focused-social-cognitive-processing-intervention-for-caregivers-of-children-undergoing-hematopoetic-stem-cell-transplantation
#20
RANDOMIZED CONTROLLED TRIAL
Sharon Manne, Laura Mee, Abraham Bartell, Stephen Sands, Deborah A Kashy
OBJECTIVE: Providing care to one's child during and after a hematopoietic stem cell transplant (HSCT) is a universally stressful experience, but few psychological interventions have been developed to reduce caregiver distress. The goal of this study was to test the efficacy of a brief cognitive-behavioral intervention delivered to primary caregivers. METHOD: Two hundred eighteen caregivers were assigned either best-practice psychosocial care (BPC) or a parent social-cognitive intervention program (P-SCIP)...
May 2016: Journal of Consulting and Clinical Psychology
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