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Therapy: Stem Cell Therapy

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Total 18 results found since Jan 2013.

Clinical and biological impact of SAMHD1 expression in mantle cell lymphoma
AbstractSAMHD1 is a deoxynucleoside triphosphate triphosphohydrolase (dNTPase) that restricts viral replication in infected cells and limits the sensitivity to cytarabine by hydrolysing its active metabolite, as recently shown in acute myeloid leukemia. Cytarabine is an essential component in the Nordic mantle cell lymphoma protocols (MCL2 and MCL3) for induction and high-dose chemotherapy treatment before autologous stem cell transplantation for younger patients with mantle cell lymphoma (MCL). We here investigated the expression of SAMHD1 in a population-based cohort of MCL (N = 150). SAMHD1 was highly variably expre...
Source: Virchows Archiv - November 4, 2021 Category: Pathology Source Type: research

MicroRNA expression changes following BCL11A inhibition in CD34+-derived red blood cells
CONCLUSIONS: The expression levels of miR-15a, miR-16, miR-23a, miR-27a, and miR-486 changed before and after γ-to-β gene switching. Therefore, this may be an effective intervention for controlling the switching and synthesis of fetal hemoglobin.PMID:33707350 | DOI:10.5045/br.2021.2020087
Source: Blood Research - March 12, 2021 Category: Hematology Authors: Narges Obidi Fatemeh Saberi Asad Taghavi Reza Ranjbaran Gholamreza Khamisi Pour Gholamhossein Tamaddon Source Type: research

Cancers, Vol. 13, Pages 418: Targeting the Sonic Hedgehog Pathway to Suppress the Expression of the Cancer Stem Cell (CSC) —Related Transcription Factors and CSC-Driven Thyroid Tumor Growth
The objective of our current investigation was to determine the role of the Shh pathway in regulating BMI1 and SOX2 expression in thyroid cancer and promoting thyroid tumor growth and development. Here we report that inhibition of the Shh pathway by Gli1 siRNA or by cyclopamine and GANT61 reduced BMI1 and SOX2 expression in SW1736 and KAT-18 cells, two anaplastic thyroid cancer cell lines. The opposite results were obtained in cells overexpressing Gli1 or its downstream transcription factor Snail. The Shh pathway regulated SOX2 and BMI1 expression at a transcriptional and post-transcriptional level, respectively. GANT61 tr...
Source: Cancers - January 22, 2021 Category: Cancer & Oncology Authors: Yurong Lu Yiwen Zhu Shihan Deng Yuhuang Chen Wei Li Jing Sun Xiulong Xu Tags: Article Source Type: research

GSE133112 BCL6 mediates Chemoresistance in Acute Myeloid Leukemia
Contributors : Kimihito Kawabata ; Cem Meydan ; Monica Guzman ; Ari MelnickSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensBCL6 is a transcription repressor that plays a crucial role in germinal center formation and lymphomagenesis. However, its role in myeloid malignancies remains unclear. Here, we explored the role of BCL6 in acute myeloid leukemia (AML). Heterogeneous levels of BCL6 were found across AML cell lines and primary AML samples. Cells with higher levels of BCL6 were indeed sensitive to treatment with BCL6 inhibitors. Gene expression profiling of AML cells treated with BC...
Source: GEO: Gene Expression Omnibus - August 1, 2020 Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Homo sapiens Source Type: research

Human CAR NK Cells: A New Non-viral Method Allowing High Efficient Transfection and Strong Tumor Cell Killing
In conclusion, the method of NK cell transfection described in our present study is highly efficient, does not require expensive dedicated structures necessary for viral transduction and avoids possible risks associated with the use of viral vectors. Importantly, it may be applied to NK cells or NK-92 cell line, greatly improving their anti-tumor activity and providing a new NK cell-based platform for new protocols of adoptive immuno-therapy of cancer. Ethics Statement The Ethical Committee of IRCCS Bambino Gesù Pediatric Hospital approved the study (825/2014). Author Contributions TI designed and performed res...
Source: Frontiers in Immunology - April 29, 2019 Category: Allergy & Immunology Source Type: research

The JAK/STAT Pathway in Skeletal Muscle Pathophysiology
Conclusion and Perspectives The IL-6/JAK/STAT signaling cascade plays a dominant role in skeletal muscle pathophysiology. IL-6 autocrine, paracrine, and endocrine functions assign to its downstream effectors pivotal importance in skeletal muscle-wasting-associated diseases and other multiple system diseases where muscle acts in communication with other organs. Targeting the components of the JAK/STAT pathway recently emerged as a strategic approach for the treatment of inflammatory diseases and human cancer. This review highlights the opposite outcomes on muscle biology caused by the amount of local and systemic release ...
Source: Frontiers in Physiology - April 29, 2019 Category: Physiology Source Type: research

Gene Therapy Leaves a Vicious Cycle
Reena Goswami1, Gayatri Subramanian2, Liliya Silayeva1, Isabelle Newkirk1, Deborah Doctor1, Karan Chawla2, Saurabh Chattopadhyay2, Dhyan Chandra3, Nageswararao Chilukuri1 and Venkaiah Betapudi1,4* 1Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States 2Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States 3Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States 4Department of Physiology and Biophysics, Case Western Reserve University, Clev...
Source: Frontiers in Oncology - April 23, 2019 Category: Cancer & Oncology Source Type: research

Sanguinarine Induces Apoptosis Pathway in Multiple Myeloma Cell Lines via Inhibition of the JaK2/STAT3 Signaling
In this study, we aimed to investigate the potential anti-proliferative and pro-apoptotic activities of SNG in a panel of MM cell lines (U266, IM9, MM1S, and RPMI-8226). SNG treatment of MM cells resulted in a dose-dependent decrease in cell viability through mitochondrial membrane potential loss and activation of caspase 3, 9, and cleavage of PARP. Pre-treatment of MM cells with a universal caspase inhibitor, Z-VAD-FMK, prevented SNG mediated loss of cell viability, apoptosis, and caspase activation, confirming that SNG-mediated apoptosis is caspase-dependent. The SNG-mediated apoptosis appears to be resulted from suppres...
Source: Frontiers in Oncology - April 16, 2019 Category: Cancer & Oncology Source Type: research

Connecting Metainflammation and Neuroinflammation Through the PTN-MK-RPTP β/ζ Axis: Relevance in Therapeutic Development
Conclusion The expression of the components of the PTN-MK-RPTPβ/ζ axis in immune cells and in inflammatory diseases suggests important roles for this axis in inflammation. Pleiotrophin has been recently identified as a limiting factor of metainflammation, a chronic pathological state that contributes to neuroinflammation and neurodegeneration. Pleiotrophin also seems to potentiate acute neuroinflammation independently of the inflammatory stimulus while MK seems to play different -even opposite- roles in acute neuroinflammation depending on the stimulus. Which are the functions of MK and PTN in chronic neuroi...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research

NKL homeobox gene NKX2-2 is aberrantly expressed in Hodgkin lymphoma.
Authors: Nagel S, MacLeod RAF, Pommerenke C, Meyer C, Kaufmann M, Drexler HG Abstract NKL homeobox genes encode basic transcriptional regulators of cell and tissue differentiation. Recently, we described a hematopoietic NKL-code comprising nine specific NKL homeobox genes expressed in normal hematopoietic stem cells, lymphoid progenitors and during lymphopoiesis, highlighting their physiological role in the development of T-, B- and NK-cells. Here, we identified aberrant expression of the non-hematopoietic neural NKL homeobox gene NKX2-2 in about 12% of both, classical Hodgkin lymphoma (HL) and nodular lymphocyte p...
Source: Oncotarget - January 28, 2019 Category: Cancer & Oncology Tags: Oncotarget Source Type: research

GSE115191 NKL homeobox gene NKX2-2 is aberrantly expressed in Hodgkin lymphoma
Contributors : Stefan Nagel ; Claudia PommerenkeSeries Type : Expression profiling by arrayOrganism : Homo sapiensNKL homeobox genes encode basic transcriptional regulators of cell and tissue differentiation. Recently, we described a hematopoietic NKL-code comprising particular NKL homeobox genes expressed in normal hematopoietic stem cells and during lymphopoiesis, highlighting their physiological role in the development of T-, B- and NK-cells. Here, we describe aberrant expression of the neural non-hematopoietic NKL homeobox gene NKX2-2 in 10% of both classical Hodgkin lymphoma (HL) and nodular lymphocyte predominant (NL...
Source: GEO: Gene Expression Omnibus - January 22, 2019 Category: Genetics & Stem Cells Tags: Expression profiling by array Homo sapiens Source Type: research

SAMHD1 Is Variably Expressed in Mantle Cell Lymphoma and Correlated to SOX11 but Not to Survival
ConclusionsIn MCL the expression of SAMHD1 varies over a broad range and correlates to expression of SOX11. However, no significant difference in PFS or OS among patients receiving Ara-C containing induction chemotherapy is found in this study.DisclosuresNo relevant conflicts of interest to declare.
Source: Blood - November 21, 2018 Category: Hematology Authors: Wasik, A. M., Marin, E., Merrien, M., de Matos Rodrigues, J., Lord, M., Xagoraris, I., Christensson, B., Rassidakis, G., Jerkeman, M., Ek, S., Sander, B. Tags: 622. Lymphoma Biology-Non-Genetic Studies: Poster III Source Type: research

FOXM1 and the NPM-ALK/STAT3 Axis Form a Novel Positive Feedback Loop in Promoting the Oncogenesis of ALK-Positive Anaplastic Large Cell Lymphoma
Conclusions:In conclusion, we have identified a novel oncogenic feedback loop involving FOXM1 and the NPM-ALK/STAT3 axis in ALK+ALCL. This study has revealed the first clear example in which NPM-ALK exerts important oncogenic functions in the nuclei of ALK+ALCL cells, by means of its binding to an oncogenic transcription factor so as to promote its DNA binding and transcription activity.DisclosuresNo relevant conflicts of interest to declare.
Source: Blood - November 21, 2018 Category: Hematology Authors: Wang, P., Haque, M., Li, J., Huang, Y.-H., Almowaled, M., Bargar, C., Karpf, A., Chen, W., Turner, S., Lai, R. Tags: 603. Oncogenes and Tumor Suppressors: Poster III Source Type: research

Abstract 4944: Identification of B-cell lymphoma 6 as a novel therapeutic target in glioblastoma
ConclusionOur data suggest that BCL6 is involved in glioma tumorigenesis through regulating both the TP53 and MEK-ERK pathways, and that BCL6 is a potential therapeutic target for glioma treatment.Citation Format: Ye Chen, Liang Xu, Masaharu Hazawa, Anand M. Thippeswamy, Henry Yang, Markus Müschen, De-Chen Lin, Phillip Koeffler. Identification of B-cell lymphoma 6 as a novel therapeutic target in glioblastoma. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr 4944. doi:...
Source: Cancer Research - August 2, 2015 Category: Cancer & Oncology Authors: Chen, Y., Xu, L., Hazawa, M., Thippeswamy, A. M., Yang, H., Muschen, M., Lin, D.–C., Koeffler, P. Tags: Molecular and Cellular Biology Source Type: research