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https://www.readbyqxmd.com/read/28819854/flow-cytometric-detection-of-circulating-tumor-cells-using-a-candidate-stem-cell-marker-p75-neurotrophin-receptor-p75ntr
#1
Tomoyuki Okumura, Tetsuji Yamaguchi, Toru Watanabe, Takuya Nagata, Yutaka Shimada
The most widely studied detection for circulating tumor cells (CTCs) in peripheral blood of cancer patients has been based on immunomagnetic enrichment using antibodies against epithelial cell adhesion molecule (EpCAM), which is overexpressed in epithelial cells. A neurotrophin receptor p75 (p75NTR) is expressed in a candidate stem cell fraction in esophageal squamous cell carcinoma (ESCC), which shows significantly higher colony formation, enhanced tumor formation in mice, along with strong expression of epithelial mesenchymal transition-related genes...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28816796/intrathecal-infusion-of-haploidentical-nondonor-lymphocytes-for-central-nervous-system-leukemic-relapse-after-haploidentical-hematopoietic-stem-cell-transplantation
#2
Azusa Mayumi, Akihisa Sawada, Aya Ioi, Kohei Higuchi, Mariko Shimizu, Maho Sato, Masahiro Yasui, Masami Inoue
Leukemic relapse in the central nervous system (CNS) after conventional treatment is associated with a poor prognosis. The effectiveness and safety of IV infusion of human leukocyte antigen (HLA)-mismatched lymphocytes for leukemia, and intrathecal (IT) infusion of HLA-mismatched lymphocytes for cerebrospinal fluid (CSF) dissemination of medulloblastoma have been reported. A 13-year-old girl (HLA-A31) was diagnosed as relapsing from Philadelphia chromosome-positive acute leukemia in the CNS after receiving chemotherapy, tyrosine kinase inhibitors, haploidentical hematopoietic stem cell transplantation (HSCT) from her father (HLA-A31), and craniospinal irradiation...
August 14, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28815176/strategies-for-retinal-cell-generation-from-human-pluripotent-stem-cells
#3
REVIEW
Lindsey S Weed, Jason A Mills
Induced pluripotent stem cells (iPSCs) are specialized self-renewing cells that are generated by exogenously expressing pluripotency-associated transcription factors in somatic cells such as fibroblasts, peripheral blood mononuclear cells, or lymphoblastoid cell lines (LCLs). iPSCs are functionally similar to naturally pluripotent embryonic stem cells (ESCs) in their capacity to propagate indefinitely and potential to differentiate into all human cell types, and are devoid of the associated ethical complications of origin...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28814980/cooperative-effect-of-chidamide-and-chemotherapeutic-drugs-induce-apoptosis-by-dna-damage-accumulation-and-repair-defects-in-acute-myeloid-leukemia-stem-and-progenitor-cells
#4
Yin Li, Yan Wang, Yong Zhou, Jie Li, Kai Chen, Leisi Zhang, Manman Deng, Suqi Deng, Peng Li, Bing Xu
BACKGROUND: Many conventional chemotherapeutic drugs are known to be involved in DNA damage, thus ultimately leading to apoptosis of leukemic cells. However, they fail to completely eliminate leukemia stem cells (LSCs) due to their higher DNA repair capacity of cancer stem cells than that of bulk cancer cells, which becomes the root of drug resistance and leukemia recurrence. A new strategy to eliminate LSCs in acute myeloid leukemia (AML) is therefore urgently needed. RESULTS: We report that a low-dose chidamide, a novel orally active benzamide-type histone deacetylase (HDAC) inhibitor, which selectively targets HDACs 1, 2, 3, and 10, could enhance the cytotoxicity of DNA-damaging agents (daunorubicin, idarubicin, and cytarabine) in CD34(+)CD38(-) KG1α cells, CD34(+)CD38(-) Kasumi cells, and primary refractory or relapsed AML CD34(+) cells, reflected by the inhibition of cell proliferation, induction of apoptosis, and increase of cell cycle arrest in vitro...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28814957/induced-pluripotent-stem-cell-for-the-study-and-treatment-of-sickle-cell-anemia
#5
Luiza Cunha Junqueira Reis, Virgínia Picanço-Castro, Bárbara Cristina Martins Fernandes Paes, Olívia Ambrozini Pereira, Isabela Gerdes Gyuricza, Fabiano Tófoli de Araújo, Mariana Morato-Marques, Lílian Figueiredo Moreira, Everton de Brito Oliveira Costa, Tálita Pollyanna Moreira Dos Santos, Dimas Tadeu Covas, Lygia da Veiga Pereira Carramaschi, Elisa Maria de Sousa Russo
Sickle cell anemia (SCA) is a monogenic disease of high mortality, affecting millions of people worldwide. There is no broad, effective, and safe definitive treatment for SCA, so the palliative treatments are the most used. The establishment of an in vitro model allows better understanding of how the disease occurs, besides allowing the development of more effective tests and treatments. In this context, iPSC technology is a powerful tool for basic research and disease modeling, and a promise for finding and screening more effective and safe drugs, besides the possibility of use in regenerative medicine...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28810332/-study-on-the-expression-of-trip13-mrna-in-chronic-lymphocytic-leukemia-b-lymphocyte-and-the-molecular-mechanism-of-trip13-mediated-jvm-2-cell-proliferation-and-apoptosis
#6
K S Zhou, Q Zhang, W T Zhang, Y Y Liu, S S Wu, J Zhou, X D Wei, Y P Song
Objective: To investigate the clinical significance of expression level of thyroid hormone receptor interactors 13 (TRIP13) gene to probe its function and downstream molecular mechanism in chronic lymphocytic leukemia (CLL) . Methods: Real-time quantitative PCR method was used to detect the expression levels of TRIP13 mRNA of CD19(+) B lymphocytes in 30 cases of patients with CLL and 12 cases of peripheral blood hematopoietic stem cell donors (normal control group) . Lentivirus mediated shRNA was used to interference the mRNA and TRIP13 protein in CLL cells JVM-2...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28809824/creation-and-transplantation-of-an-adipose-derived-stem-cell-asc-sheet-in-a-diabetic-wound-healing-model
#7
Yuka Kato, Takanori Iwata, Kaoru Washio, Toshiyuki Yoshida, Hozue Kuroda, Shunichi Morikawa, Mariko Hamada, Kazuki Ikura, Nobuyuki Kaibuchi, Masayuki Yamato, Teruo Okano, Yasuko Uchigata
Artificial skin has achieved considerable therapeutic results in clinical practice. However, artificial skin treatments for wounds in diabetic patients with impeded blood flow or with large wounds might be prolonged. Cell-based therapies have appeared as a new technique for the treatment of diabetic ulcers, and cell-sheet engineering has improved the efficacy of cell transplantation. A number of reports have suggested that adipose-derived stem cells (ASCs), a type of mesenchymal stromal cell (MSC), exhibit therapeutic potential due to their relative abundance in adipose tissue and their accessibility for collection when compared to MSCs from other tissues...
August 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28809049/evolution-of-mnc-and-lymphocyte-collection-settings-employing-different-spectra-optia-%C3%A2-leukapheresis-systems
#8
M Punzel, A Kozlova, A Quade, A H Schmidt, R Smith
BACKGROUND AND OBJECTIVES: The Spectra Optia(®) continuous mononuclear cell (CMNC apheresis) system has emerged as the preferred device in peripheral blood stem cell collections over the original two-step Spectra Optia(®) mononuclear cell (MNC apheresis) system. Until now, no comparative data were available for non-stimulated MNC collections that are required for immunotherapy. MATERIALS AND METHODS: We compared collection parameters and product composition for Spectra Optia MNC- as well as CMNC-apheresis systems in non-stimulated MNC collections from 35 registry donors intended for donor lymphocyte infusions...
August 14, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28808609/optimizing-peripheral-blood-stem-cells-transplantation-outcome-through-amend-relapse-and-graft-failure-a-review-of-current-literature
#9
REVIEW
Saeed Mohammadi, Amir Hossein Norooznezhad, Ashraf Malek Mohammadi, Hajar Nasiri, Mohsen Nikbakht, Najmaldin Saki, Mohammad Vaezi, Kamran Alimoghaddam, Ardeshir Ghavamzadeh
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) has been considered as a valuable approach in treatment of numerous malignant and none malignant hematologic disorders. However, relapse and poor graft function (PGF) after allo-SCT remain to be controversial issues which may affect the transplantation outcome. Relevant articles were searched in MEDLINE database (2000-2016) using keywords and phrases: donor lymphocyte infusions, allogeneic stem cells transplantation, relapsed hematologic malignancies, booster schedules, cell dose, laboratory monitoring protocols and technical aspects of apheresis...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28807569/il-10-engineered-human-cd4-tr1-cells-eliminate-myeloid-leukemia-in-an-hla-class-i-dependent-mechanism
#10
Grazia Locafaro, Grazia Andolfi, Fabio Russo, Luca Cesana, Antonello Spinelli, Barbara Camisa, Fabio Ciceri, Angelo Lombardo, Attilio Bondanza, Maria Grazia Roncarolo, Silvia Gregori
T regulatory cells (Tregs) play a key role in modulating T cell responses. Clinical trials showed that Tregs modulate graft-versus-host disease (GvHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). However, their ability to mediate anti-leukemic activity (graft-versus-leukemia [GvL]) is largely unknown. Enforced interleukin-10 (IL-10) expression converts human CD4(+) T cells into T regulatory type 1 (Tr1)-like (CD4(IL-10)) cells that suppress effector T cells in vitro and xenoGvHD in humanized mouse models...
July 5, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28806949/case-report-of-ocular-kaposi-s-sarcoma
#11
Jing Yang, Xiao-Fang Yin, Yong-Ping Li, Shi-You Zhou
BACKGROUND: Kaposi's sarcoma (KS) is generally considered a neoplastic disorder of vascular origin and occurs in patients with acquired immunodeficiency syndrome (AIDS) or who have received immunosuppressive treatments after an organ transplant (Soulier et al., Blood 86(4):1276-80, 1995; Viejo-Borbolla and Schulz, AIDS Rev 5(4):222-9, 2003; Schulz, J Antimicrob Chemother 45(Suppl T3):15-27, 2000; Aversa et al. Crit Rev Oncol Hematol 53(3):253-65, 2005; Mbulaiteye and Engels, Int J Cancer 119(11):2685-91, 2006; Tessari et al...
August 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28806276/circulating-progenitor-cell-response-to-exercise-in-wheelchair-racing-athletes
#12
Grace M Niemiro, Thomas Edwards, J P Barfield, Joseph W Beals, Elizabeth M Broad, Robert W Motl, Nicholas A Burd, Lara A Pilutti, Michael De Lisio
INTRODUCTION: Circulating progenitor cells (CPCs) are a heterogeneous population of stem/progenitor cells in peripheral blood that participate in tissue repair. CPC mobilization has been well characterized in able-bodied persons, but has not been previously investigated in wheelchair racing athletes. The purpose of this study was to characterize CPC and CPC sub-population mobilization in elite wheelchair racing athletes in response to acute, upper-extremity aerobic exercise to determine if CPC responses are similar to ambulatory populations...
August 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28804549/treatment-effect-of-low-intensity-pulsed-ultrasound-on-leukopenia-induced-by-cyclophosphamide-in-rabbits
#13
Baoru Liu, Yueping Luo, Dong Luo, Weichen Zhou, Yu Zhang, Ruixin He, Junshu Li, Yong Wang, Yan Wang, Wenzhi Chen
OBJECTIVE: This study aims to examine the effects of low intensity pulsed ultrasound (LIPUS) on leukopenia induced by cyclophosphamide in a rabbit model. METHODS: The leukopenia model in New Zealand rabbit was established by injecting cyclophosphamide into the ear vein. Forty leukopenia model rabbits were randomly allocated to control group (n = 20) and LIPUS group (n = 20). LIPUS group underwent 20 minutes of daily ultrasound treatment at femoral metaphysis for 7 days while control group received sham treatment...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28802544/a-role-of-the-endothelial-nitric-oxide-system-in-acute-renal-colic-caused-by-ureteral-stone
#14
Emre Bulbul, Elif Funda Sener, Nahide Ekici Gunay, Bahadir Taslidere, Elif Taslidere, Serhat Koyuncu, Nurullah Gunay
BACKGROUND AND AIMS: Endothelial nitric oxide synthase gene polymorphisms play a role in some pathophysiological processes. In this study, the possible effects of endothelial nitric oxide synthase gene polymorphisms on ureteral stone disease in patients who were admitted to the emergency department with severe pain due to renal colic are examined. MATERIALS AND METHODS: The study groups were designed as controls and patients. The control group was formed from the healthy volunteers who applied to the blood center next to the emergency service...
August 7, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28802039/circadian-reprogramming-in-the-liver-identifies-metabolic-pathways-of-aging
#15
Shogo Sato, Guiomar Solanas, Francisca Oliveira Peixoto, Leonardo Bee, Aikaterini Symeonidi, Mark S Schmidt, Charles Brenner, Selma Masri, Salvador Aznar Benitah, Paolo Sassone-Corsi
The process of aging and circadian rhythms are intimately intertwined, but how peripheral clocks involved in metabolic homeostasis contribute to aging remains unknown. Importantly, caloric restriction (CR) extends lifespan in several organisms and rewires circadian metabolism. Using young versus old mice, fed ad libitum or under CR, we reveal reprogramming of the circadian transcriptome in the liver. These age-dependent changes occur in a highly tissue-specific manner, as demonstrated by comparing circadian gene expression in the liver versus epidermal and skeletal muscle stem cells...
August 10, 2017: Cell
https://www.readbyqxmd.com/read/28801931/immunomodulatory-effects-of-adipose-stromal-vascular-fraction-cells-promote-alternative-activation-macrophages-to-repair-tissue-damage
#16
Annie C Bowles, Rachel M Wise, Brittany Y Gerstein, Robert C Thomas, Roberto Ogelman, Isabella Febbo, Bruce A Bunnell
The pathogenesis of many diseases is driven by the interactions between helper T (TH ) cells and macrophages. The phenotypes of these cells are a functional dichotomy that are persuaded according to the surrounding milieu. In both multiple sclerosis (MS) and the experimental autoimmune encephalomyelitis (EAE) model, TH 1 and TH 17 cells propagate autoimmune signaling and inflammation in the peripheral lymphoid tissues. In turn, this pro-inflammatory repertoire promotes the classical activation, formerly the M1-type, macrophages...
August 12, 2017: Stem Cells
https://www.readbyqxmd.com/read/28799674/ultrastructural-characteristics-of-ovine-bone-marrow-derived-mesenchymal-stromal-cells-cultured-with-a-silicon-stabilized-tricalcium-phosphate-bioceramic
#17
Salvatore Desantis, Gianluca Accogli, Janina Burk, Sara Zizza, Maria Mastrodonato, Edda G Francioso, Roberta Rossi, Antonio Crovace, Leonardo Resta
Bioceramics are being used in experimental bone engineering application in association with bone marrow derived mesenchymal stem cells (BM-MSCs) as a new therapeutic tool, but their effects on the ultrastructure of BM-MSCs are yet unknown. In this study we report the morphological features of ovine (o)BM-MSCs cultured with Skelite, a resorbable bioceramic based on silicon stabilized tricalcium phosphate (SiTCP), able to promote the repair of induced bone defect in sheep model. oBM-MSCs were isolated from the iliac crest, cultured until they reached near-confluence and incubated with SiTCP...
August 11, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28793833/synergistic-therapeutic-effect-of-three-dimensional-stem-cell-clusters-and-angiopoietin-1-on-promoting-vascular-regeneration-in-ischemic-region
#18
Jungmi Kang, Jeong-Kee Yoon, Seung Ja Oh, Byung-Soo Kim, Sang-Heon Kim
Peripheral artery disease (PAD) is an ischemic disease characterized by reduced blood flow to the legs, feet, and hands. Human mesenchymal stem cells (MSCs) are an attractive cell source to treat PAD in regenerative medicine. However, in clinical applications, the use of adult stem cells has several limitations, such as low cell viability and low therapeutic efficiency. In the present study, we described an innovative method of culturing three-dimensional stem cell clusters (AngioclusterTM, AC), demonstrated the potential for ACs to differentiate into vascular cells, and assessed the synergistic effects of ACs and angiopoietin-1 (Ang-1) on angiogenesis in ischemic animal models...
August 10, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28792937/rewiring-the-taste-system
#19
Hojoon Lee, Lindsey J Macpherson, Camilo A Parada, Charles S Zuker, Nicholas J P Ryba
In mammals, taste buds typically contain 50-100 tightly packed taste-receptor cells (TRCs), representing all five basic qualities: sweet, sour, bitter, salty and umami. Notably, mature taste cells have life spans of only 5-20 days and, consequently, are constantly replenished by differentiation of taste stem cells. Given the importance of establishing and maintaining appropriate connectivity between TRCs and their partner ganglion neurons (that is, ensuring that a labelled line from sweet TRCs connects to sweet neurons, bitter TRCs to bitter neurons, sour to sour, and so on), we examined how new connections are specified to retain fidelity of signal transmission...
August 9, 2017: Nature
https://www.readbyqxmd.com/read/28790106/kit-signaling-is-dispensable-for-human-mast-cell-progenitor-development
#20
Joakim S Dahlin, Maria Ekoff, Jennine Grootens, Liza Löf, Rose-Marie Amini, Hans Hagberg, Johanna S Ungerstedt, Ulla Olsson-Strömberg, Gunnar Nilsson
Human hematopoietic progenitors are generally assumed to require stem cell factor (SCF) and KIT signaling during differentiation for the formation of mast cells. Imatinib treatment, which inhibits KIT signaling, depletes mast cells in vivo. Furthermore, the absence of SCF or imatinib treatment prevents progenitors from developing into mast cells in vitro. However, these observations do not mean that mast cell progenitors require SCF and KIT signaling throughout differentiation. Here, we demonstrate that circulating mast cell progenitors are present in patients undergoing imatinib treatment...
August 8, 2017: Blood
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