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https://www.readbyqxmd.com/read/28922455/stem-cell-mobilization-in-patients-with-dialysis-dependent-multiple-myeloma-report-of-the-polish-multiple-myeloma-group
#1
Anna Waszczuk-Gajda, Joanna Drozd-Sokołowska, Piotr Boguradzki, Jarosław Dybko, Tomasz Wróbel, Grzegorz Władysław Basak, Krzysztof Mądry, Emilian Snarski, Grzegorz Charliński, Ewa Frączak, Joanna Matuszkiewicz-Rowińska, Marian Klinger, Hanna Augustyniak-Bartosik, Magdalena Krajewska, Paweł Żebrowski, Maria Król, Elżbieta Urbanowska, Artur Jurczyszyn, Michał Taszner, Wieslaw Wiktor Jędrzejczak, Jadwiga Dwilewicz-Trojaczek
INTRODUCTION: High-dose chemotherapy with autologous hematopoietic stem cell transplantation (auto-HSCT) improves the outcome of patients with multiple myeloma (MM). It seems that auto-HSCT is also a feasible therapeutic option in MM dialysis-dependent (MMDD) patients. However, to perform transplantation, a sufficient number of stem cells must be collected. MATERIALS AND METHODS: Given that data on mobilization of auto-HSC efficacy and safety in dialysis-dependent patients are limited, we report data from all Polish Centers belonging to the Polish Multiple Myeloma Group...
September 18, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28921734/the-extracellular-signal-regulated-kinase-1-2-triggers-angiogenesis-in-human-ectopic-endometrial-implants-by-inducing-angioblast-differentiation-and-proliferation
#2
Sefa Arlier, William Murk, Ozlem Guzeloglu-Kayisli, Nihan Semerci, Kellie Larsen, Mehmet S Tabak, Aydin Arici, Frederick Schatz, Charles J Lockwood, Umit A Kayisli
PROBLEM: The role of extracellular signal-regulated kinase (ERK)1/2-mediated angiogenesis during endometriotic nidation is unknown. We posit that ERK1/2-induced angioblast differentiation and proliferation promotes ectopic endometrial angiogenesis. METHODS OF STUDY: Human eutopic and ectopic endometria were immunostained for total- (T-) or phosphorylated- (P-) ERK1/2 or double-immunostained for P-ERK1/2-CD34 and PCNA-CD34. Estradiol (E2 ), cytokines, normal peritoneal fluid (NPF) or endometriotic peritoneal fluid (EPF) ±PD98059, an ERK1/2 inhibitor, treaded primary human endometrial endothelial cells (HEECs) were evaluated by T-/P-ERK1/2 immunoblotting, MTT viability and tube formation assays...
September 16, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28921511/bone-marrow-ilc2s-a-local-source-of-il-5-in-il-33-driven-eosinophilia
#3
Kristina Johansson, Carina Malmhäll, Patricia Ramos-Ramírez, Madeleine Rådinger
T helper type 2 (TH 2) cells, type 2 innate lymphoid cells (ILC2s) and eosinophil progenitors have previously been described to produce IL-5 in the airways upon allergen provocation or by direct administration of IL-33. Eosinophilic airway inflammation is known to be associated with IL-5-dependent eosinophil development in the bone marrow, however, the source of IL-5 remains unclear. TH cells, ILC2s and CD34(+) progenitors have been proposed to be involved in this process, therefore, we investigated whether these cells are taking part in eosinophilopoiesis by producing IL-5 locally in the bone marrow in IL-33-driven inflammation...
September 16, 2017: Immunology
https://www.readbyqxmd.com/read/28920959/targeting-mitochondrial-oxidative-phosphorylation-eradicates-therapy-resistant-chronic-myeloid-leukemia-stem-cells
#4
Elodie M Kuntz, Pablo Baquero, Alison M Michie, Karen Dunn, Saverio Tardito, Tessa L Holyoake, G Vignir Helgason, Eyal Gottlieb
Treatment of chronic myeloid leukemia (CML) with imatinib mesylate and other second- and/or third-generation c-Abl-specific tyrosine kinase inhibitors (TKIs) has substantially extended patient survival. However, TKIs primarily target differentiated cells and do not eliminate leukemic stem cells (LSCs). Therefore, targeting minimal residual disease to prevent acquired resistance and/or disease relapse requires identification of new LSC-selective target(s) that can be exploited therapeutically. Considering that malignant transformation involves cellular metabolic changes, which may in turn render the transformed cells susceptible to specific assaults in a selective manner, we searched for such vulnerabilities in CML LSCs...
September 18, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28920716/transposons-moving-forward-from-preclinical-studies-to-clinical-trials
#5
Jaitip Tipanee, Thierry VandenDriessche, Marinee K Chuah
Transposons have emerged as promising vectors for gene therapy that can potentially overcome some of the limitations of commonly used viral vectors. Transposons stably integrate into the target cell genome, enabling persistent expression of therapeutic genes. Transposons have evolved from being used as basic tools in biomedical research to bona fide therapeutics. Currently, the most promising transposons for gene therapy applications are derived from Sleeping Beauty (SB) or piggyBac (PB). Stable transposition requires co-delivery of the transposon DNA with the corresponding transposase gene, mRNA, or protein...
August 22, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28919991/umbilical-cord-blood-cd34-progenitor-derived-nk-cells-efficiently-kill-ovarian-cancer-spheroids-and-intraperitoneal-tumors-in-nod-scid-il2rg-null-mice
#6
Janneke S Hoogstad-van Evert, Jeannette Cany, Dirk van den Brand, Manon Oudenampsen, Roland Brock, Ruurd Torensma, Ruud L Bekkers, Joop H Jansen, Leon F Massuger, Harry Dolstra
Adoptive transfer of allogeneic natural killer (NK) cells is an attractive therapy approach against ovarian carcinoma. Here, we evaluated the potency of highly active NK cells derived from human CD34+ haematopoietic stem and progenitor cells (HSPC) to infiltrate and mediate killing of human ovarian cancer spheroids using an in vivo-like model system and mouse xenograft model. These CD56+Perforin+ HSPC-NK cells were generated under stroma-free conditions in the presence of StemRegenin-1, IL-15, and IL-12, and exerted efficient cytolytic activity and IFNγ production toward ovarian cancer monolayer cultures...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28918896/role-of-circulating-endothelial-progenitor-cells-in-the-reparative-mechanisms-of-stable-ischemic-myocardium
#7
D Morrone, F Felice, C Scatena, A De Martino, M L E Picoi, N Mancini, S Blasi, M Menicagli, R Di Stefano, U Bortolotti, A G Naccarato, A Balbarini
BACKGROUND: Mobilization of endothelial progenitor cells (EPCs) into circulation from bone marrow in patients with acute myocardial infarction has strong scientific evidence; less is known about EPC mobilization in patients with stable coronary artery disease (CAD). The aim of this study was to investigate the association of stable ischemic heart disease with EPC levels in tissue and blood. METHODS: Fifty-five consecutive patients admitted to a single treatment center for valve or coronary artery bypass grafting (CABG) surgeries were included in the study...
September 14, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28918518/micro-rna-profiling-of-exosomes-from-marrow-derived-mesenchymal-stromal-cells-in-patients-with-acute-myeloid-leukemia-implications-in-leukemogenesis
#8
Juliana Barrera-Ramirez, Jessie R Lavoie, Harinad B Maganti, William L Stanford, Caryn Ito, Mitchell Sabloff, Marjorie Brand, Michael Rosu-Myles, Yevgeniya Le, David S Allan
Gene regulatory networks in AML may be influenced by microRNAs (miRs) contained in exosomes derived from bone marrow mesenchymal stromal cells (MSCs). We sequenced miRs from exosomes isolated from marrow-derived MSCs from patients with AML (n = 3) and from healthy controls (n = 3; not age-matched). Known targets of mIRs that were significantly different in AML-derived MSC exosomes compared to controls were identified. Of the five candidate miRs identified by differential packaging in exosomes, only miR-26a-5p and miR-101-3p were significantly increased in AML-derived samples while miR-23b-5p, miR-339-3p and miR-425-5p were significantly decreased...
September 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28918419/-about-the-association-between-antipsychotic-medication-and-cardiovascular-morbidity-epidemiology-and-possible-background-mechanisms
#9
Gabor Gaszner, Gabor Barna, Peter Dome
The history of antipsychotics began with the discovery of chlorpromazine in the 1950s. Since then this group of medications has become one of the most important element of the armamentarium of psychopharmacology. While initially these pharmacons were used in the treatment of psychotic states (including psychotic mania) in the last approximately 10-15 years new indications - such as treatment of depressive, manic and mixed states and also mood-stabilization in bipolar disorder and also the treatment of major depressive disorder - for several second-generation antipsychotic (SGA) agents have been introduced...
June 2017: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28918402/rare-case-of-primary-leiomyosarcoma-of-sigmoid-mesocolon
#10
Aizat Sabri Ilias, Huzairi Yaacob, Wan Zainira Wan Zain, Andee Dzulkarnaen Zakaria
We experienced a rare case of primary leiomyosarcoma of sigmoid mesentery. A 45-year-old woman was presented to us with left iliac fossa mass and discomfort for 4-month duration. CT scan of abdomen and pelvis revealed a huge mass 14 cm×14 cm×16 cm occupying left iliac fossa mimicked having a large left ovarian carcinoma. She was subsequently planned for elective total abdominal hysterectomy and bilateral salpingo-oophorectomy by gynaecology team. During laparotomy, a huge mass was revealed arising from sigmoid mesentery invaded to the left lower ureter...
September 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28917626/ultrasound-assisted-liposuction-provides-a-source-for-functional-adipose-derived-stromal-cells
#11
Dominik Duscher, Zeshaan N Maan, Anna Luan, Matthias M Aitzetmüller, Elizabeth A Brett, David Atashroo, Alexander J Whittam, Michael S Hu, Graham G Walmsley, Khosrow S Houschyar, Arndt F Schilling, Hans-Guenther Machens, Geoffrey C Gurtner, Michael T Longaker, Derrick C Wan
BACKGROUND AIMS: Regenerative medicine employs human mesenchymal stromal cells (MSCs) for their multi-lineage plasticity and their pro-regenerative cytokine secretome. Adipose-derived mesenchymal stromal cells (ASCs) are concentrated in fat tissue, and the ease of harvest via liposuction makes them a particularly interesting cell source. However, there are various liposuction methods, and few have been assessed regarding their impact on ASC functionality. Here we study the impact of the two most popular ultrasound-assisted liposuction (UAL) devices currently in clinical use, VASER (Solta Medical) and Lysonix 3000 (Mentor) on ASCs...
September 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28915651/programmed-differentiated-natural-killer-cells-kill-leukemia-cells-by-engaging-slam-family-receptors
#12
Yang Wu, Young Li, Binqing Fu, Linlin Jin, Xiaohu Zheng, Aimei Zhang, Rui Sun, Zhigang Tian, Haiming Wei
Natural killer (NK) cells are important innate immune cells that can directly kill transformed or virus-infected cells. The adoptive transfer of NK cells has been used to treat hematological malignancies; however, the limited sources and quantities of NK cells have restricted their clinical application. Here, we acquired sufficient quantities of functional NK cells from CD34(+) cells treated with a cytokine cocktail. Microarray analysis of the cultured cells revealed a two-stage pattern of programmed differentiation during NK cell development...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914714/radiologically-undetected-hepatocellular-carcinoma-in-patients-undergoing-liver-transplantation-an-immunohistochemical-correlation-with-li-rads-score
#13
Wei Xiong, Gregory Cheeney, Sooah Kim, Violetta Kolesnikova, Brooke Henninger, Jacob Alexander, Paul E Swanson, Melissa P Upton, Camtu D Truong, Matthew M Yeh
Orthotopic liver transplantation is the best option for patients with carefully selected unresectable disease because of underlying liver dysfunction. The 5-year survival rate after orthotopic liver transplantation for early detected hepatocellular carcinoma (HCC) is high, and a similar or even higher rate is reported in those with radiologically undetected HCC. This study evaluated and compared the histologic features of pretransplant radiologically undetected (14 patients, 25 tumors) versus detected (36 patients, 45 tumors) HCCs...
September 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28912776/human-cd5-innate-lymphoid-cells-are-functionally-immature-and-their-development-from-cd34-progenitor-cells-is-regulated-by-id2
#14
Maho Nagasawa, Kristine Germar, Bianca Blom, Hergen Spits
Innate lymphoid cells (ILCs) have emerged as a key cell type involved in surveillance and maintenance of mucosal tissues. Mouse ILCs rely on the transcriptional regulator Inhibitor of DNA-binding protein 2 (Id2) for their development. Here, we show that Id2 also drives development of human ILC because forced expression of Id2 in human thymic progenitors blocked T cell commitment, upregulated CD161 and promyelocytic leukemia zinc finger (PLZF), and maintained CD127 expression, markers that are characteristic for human ILCs...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28910385/improving-the-characterization-of-endothelial-progenitor-cell-subsets-by-an-optimized-facs-protocol
#15
Karin Huizer, Dana A M Mustafa, J Clarissa Spelt, Johan M Kros, Andrea Sacchetti
The characterization of circulating endothelial progenitor cells (EPCs) is fundamental to any study related to angiogenesis. Unfortunately, current literature lacks consistency in the definition of EPC subsets due to variations in isolation strategies and inconsistencies in the use of lineage markers. Here we address critical points in the identification of hematopoietic progenitor cells (HPCs), circulating endothelial cells (CECs), and culture-generated outgrowth endothelial cells (OECs) from blood samples of healthy adults (AB) and umbilical cord (UCB)...
2017: PloS One
https://www.readbyqxmd.com/read/28906582/mammalian-msc-from-selected-species-features-and-applications
#16
REVIEW
Christiane Uder, Sandra Brückner, Sandra Winkler, Hans-Michael Tautenhahn, Bruno Christ
Mesenchymal stromal/stem cells (MSC) are promising candidates for cellular therapy of different diseases in humans and in animals. Following the guidelines of the International Society for Cell Therapy, human MSC may be identified by expression of a specific panel of cell surface markers (CD105+, CD73+, CD90+, CD34-, CD14-, or CD11b-, CD79- or CD19-, HLA-DR-). In addition, multiple differentiation potential into at least the osteogenic, adipogenic, and chondrogenic lineage is a main criterion for MSC definition...
September 14, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28905209/expression-differences-of-genes-in-the-pi3k-akt-wnt-b-catenin-shh-notch-and-mapk-signaling-pathways-in-cd34-hematopoietic-cells-obtained-from-chronic-phase-patients-with-chronic-myeloid-leukemia-and-from-healthy-controls
#17
R de Cássia Viu Carrara, A M Fontes, K J Abraham, M D Orellana, S K Haddad, P V B Palma, R A Panepucci, M A Zago, D T Covas
PURPOSE: The fusion gene BRC-ABL has an important role to the progression of chronic myeloid leukemia (CML) and several signaling pathways have been characterized as responsible for the terminal blastic phase (BP). However, the initial phase, the chronic phase (CP), is long lasting and there is much yet to be understood about the critical role of BRC-ABL in this phase. This study aims to evaluate transcriptional deregulation in CD34+ hematopoietic cells (CD34+ cells) from patients with untreated newly diagnosed CML compared with CD34+HC from healthy controls...
September 13, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28905173/pharmacokinetic-and-tissue-distribution-profile-of-long-acting-tenofovir-alafenamide-and-elvitegravir-loaded-nanoparticles-in-humanized-mice-model
#18
Pavan Kumar Prathipati, Subhra Mandal, Gregory Pon, Renuga Vivekanandan, Christopher J Destache
PURPOSE: Non-adherence to the antiretroviral (ARV) regimen is a critical factor in determining efficacy of ARV drugs for pre-exposure prophylaxis (PrEP). A long-acting parenteral formulation may be an effective alternative to daily oral dosing. A pharmacokinetic and tissue distribution study of drug-loaded nanoparticle (NP) was performed in female humanized CD34(+)-NSG mice. METHODS: Mice received 200 mg/kg each of tenofovir alafenamide (TAF) and elvitegravir (EVG) as free drugs (TAF + EVG solution) or as drug loaded NP (TAF + EVG NP) formulation by subcutaneous (SubQ) administration...
September 13, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28904795/cervical-superficial-myofibroblastoma-case-report-and-review-of-the-literature
#19
Mohamed Abdelaziz, Noura Eziba, Suash Sharma, Daniel Kleven, Ayman Al-Hendy
Superficial myofibroblastoma of the lower female genital tract is a rare benign, recently recognized neoplasm that mostly affects the vulvovaginal area. Our report discusses a case of cervical superficial myofibroblastoma of the lower female genital tract in a 45-year-old patient who is presented with menometrorrhagia. On examination, she had multiple uterine fibroids and a circumscribed submucosal mass lesion involving the anterior lip of cervix. At hysterectomy, histopathological examination of the cervical mass revealed a relatively hypocellular tumor consisted of bland spindled and stellate cells...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28904584/central-nervous-system-inflammatory-myofibroblastic-tumor-masquerading-as-chronic-suppurative-otitis-media
#20
Namit Singhal, Vinay Agarwal, Anu Chawla, Rajiv Tangri
Inflammatory myofibroblastic tumor (IMT) is a rare tumor in the central nervous system (CNS), mostly being extracranial. Approximately 100 sporadic cases have been reported in the literature. The rarity of the tumor, its various histopathological characteristics, and its variable aggressive course render it difficult to diagnose and treat. IMT is generally a histological diagnosis which is rarely suspected preoperatively. It mimics other intracranial tumors such as giant cell tumor, hemangiopericytoma, anaplastic meningioma, plasmacytoma, and lymphoma...
April 2017: Journal of Pediatric Neurosciences
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