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https://www.readbyqxmd.com/read/29776381/wnt-signaling-in-multiple-myeloma-a-central-player-in-disease-with-therapeutic-potential
#1
REVIEW
Ingrid Spaan, Reinier A Raymakers, Anja van de Stolpe, Victor Peperzak
Multiple myeloma is the second most frequent hematological malignancy in the western world and remains incurable, predominantly due to acquired drug resistance and disease relapse. The highly conserved Wnt signal transduction pathway, which plays a key role in regulating cellular processes of proliferation, differentiation, migration, and stem cell self-renewal, is associated with multiple aspects of disease. Bone homeostasis is severely disturbed by Wnt antagonists that are secreted by the malignant plasma cells in the bone marrow...
May 18, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29775782/network-based-expression-analyses-and-experimental-validations-revealed-high-co-expression-between-yap1-and-stem-cell-markers-compared-to-differentiated-cells
#2
Fariba Dehghanian, Zohreh Hojati, Fariba Esmaeili, Ali Masoudi-Nejad
The Hippo signaling pathway is identified as a potential regulatory pathway which plays critical roles in differentiation and stem cell self-renewal. Yap1 is a primary transcriptional effector of this pathway. The importance of Yap1 in embryonic stem cells (ESCs) and differentiation procedure remains a challenging question, since two different observations have been reported. To answer this question we used co-expression network and differential co-expression analyses followed by experimental validations. Our results indicate that Yap1 is highly co-expressed with stem cell markers in ESCs but not in differentiated cells (DCs)...
May 15, 2018: Genomics
https://www.readbyqxmd.com/read/29775615/extracellular-matrix-protein-dmp1-suppresses-osteogenic-differentiation-of-mesenchymal-stem-cells
#3
Shufan Zhang, Huixuan Wan, Peng Wang, Mengmeng Liu, Gongchen Li, Chunxue Zhang, Yao Sun
Mesenchymal Stem Cells (MSCs) are self-renewing and multipotent stem cells which was investigated for diverse clinical applications. However, complex mechanism of MSCs fate determination is still not fully disclosed. Extracellular matrix (ECM) proteins contribute to maintain MSCs stemness by providing extracellular microenvironment. Increasing evidences show that ECM proteins could also regulate the fate of MSCs directly. Dentin matrix protein 1 (DMP1) is an ECM protein enrich in bone tissue and terminal cells, which well-known in promoting osteoblasts and osteocytes maturation, and facilitate mineralization...
May 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29774991/aggregate-mesenchymal-stem-cell-delivery-ameliorates-the-regenerative-niche-for-muscle-repair
#4
Marissa A Ruehle, Hazel Y Stevens, Aaron M Beedle, Robert E Guldberg, Jarrod A Call
Duchenne muscular dystrophy (DMD) is a severe muscle wasting disease due to the absence of the dystrophin protein from the muscle cell membrane which renders the muscle susceptible to continuous damage. In DMD patients, muscle weakness, together with cycles of degeneration/regeneration and replacement with non-contractile tissue, limit mobility and lifespan. Since the loss of dystrophin result in loss of polarity and a reduction in the number of self-renewing satellite cells, it is postulated that these patients could achieve an improved quality of life if delivered cells could restore satellite cell function...
May 18, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29773938/correlations-between-a1c-and-diabetes-knowledge-diabetes-numeracy-and-food-security-in-a-vulnerable-type-2-diabetes-population
#5
Clipper F Young, Kenneth Yun, Edward Kang, Jay H Shubrook, Joy A Dugan
Type 2 diabetes is over-represented in vulnerable populations. Vulnerable patients managing diabetes are challenged with less-than-optimal processes and outcomes of care; thus, Healthy People 2020 and the American Diabetes Association have renewed the focus on social determinants of health with regard to the management of chronic diseases such as diabetes. This study explored the correlations between A1C and social and personal factors, including diabetes knowledge, diabetes numeracy, and food security. The Diabetes Numeracy Test-15, the Spoken Knowledge in Low Literacy Diabetes Scale, and the U...
May 2018: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/29773872/computational-identification-of-specific-genes-for-glioblastoma-stem-like-cells-identity
#6
Giulia Fiscon, Federica Conte, Valerio Licursi, Sergio Nasi, Paola Paci
Glioblastoma, the most malignant brain cancer, contains self-renewing, stem-like cells that sustain tumor growth and therapeutic resistance. Identifying genes promoting stem-like cell differentiation might unveil targets for novel treatments. To detect them, here we apply SWIM - a software able to unveil genes (named switch genes) involved in drastic changes of cell phenotype - to public datasets of gene expression profiles from human glioblastoma cells. By analyzing matched pairs of stem-like and differentiated glioblastoma cells, SWIM identified 336 switch genes, potentially involved in the transition from stem-like to differentiated state...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29772932/recent-advances-in-kartogenin-for-cartilage-regeneration
#7
Gaorui Cai, Wei Liu, Yong He, Jianghong Huang, Li Duan, Jianyi Xiong, Lijun Liu, Daping Wang
Either osteoarthritisor sports-related injuries can lead to cartilage defects,whereas both chondrocyte self-renewal and conventional treatments face limitations. In cartilage regenerative medicine, growth factors are commonly used to induce chondrogenic differentiation of stem cells. However, application of growth factors is confined by some drawbacks. Emerging small molecules are regarded as an alternative for cartilage regeneration. A recently discovered small-molecule compound, kartogenin (KGN), has been proven to be a chondrogenic and chondroprotective agent and is more effective in inducing cartilage regeneration when compared with growth factors...
May 18, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29771420/imp3-promotes-tnbc-stem-cell-property-through-mirna-34a-regulation
#8
Q-D Huang, S-R Zheng, Y-J Cai, D-L Chen, Y-Y Shen, C-Q Lin, X-Q Hu, X-H Wang, H Shi, G-L Guo
OBJECTIVE: To explore the expression and function of insulin-like growth factor II (IGFII) mRNA binding protein (IMP3) in the Triple Negative Breast Cancer (TNBC). MATERIALS AND METHODS: According to previously reported gene expression array, we found that IMP3 had significantly higher expression in the CD44+CD24-ESA+ cell cluster, tumor initiating cell or cancer stem cell (CSCs), compared to other tumor cells. Based on the GEO database (GEO accession No. GSE6883), we detected the mRNA levels of IMP 1,2 and 3 by quantitative polymerase chain reaction (q-PCR) in CD44+CD24-ESA+ cell cluster and other breast tumor cell clusters...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29769727/microbial-signals-drive-pre-leukaemic-myeloproliferation-in-a-tet2-deficient-host
#9
Marlies Meisel, Reinhard Hinterleitner, Alain Pacis, Li Chen, Zachary M Earley, Toufic Mayassi, Joseph F Pierre, Jordan D Ernest, Heather J Galipeau, Nikolaus Thuille, Romain Bouziat, Manuel Buscarlet, Daina L Ringus, Yitang Wang, Ye Li, Vu Dinh, Sangman M Kim, Benjamin D McDonald, Matthew A Zurenski, Mark W Musch, Glaucia C Furtado, Sergio A Lira, Gottfried Baier, Eugene B Chang, A Murat Eren, Christopher R Weber, Lambert Busque, Lucy A Godley, Elena F Verd├║, Luis B Barreiro, Bana Jabri
Somatic mutations in tet methylcytosine dioxygenase 2 (TET2), which encodes an epigenetic modifier enzyme, drive the development of haematopoietic malignancies1-7 . In both humans and mice, TET2 deficiency leads to increased self-renewal of haematopoietic stem cells with a net developmental bias towards the myeloid lineage1,4,8,9 . However, pre-leukaemic myeloproliferation (PMP) occurs in only a fraction of Tet2-/- mice8,9 and humans with TET2 mutations1,3,5-7 , suggesting that extrinsic non-cell-autonomous factors are required for disease onset...
May 16, 2018: Nature
https://www.readbyqxmd.com/read/29769589/conserved-and-non-conserved-characteristics-of-porcine-glial-cell-line-derived-neurotrophic-factor-expressed-in-the-testis
#10
Kazue Kakiuchi, Kazumi Taniguchi, Hiroshi Kubota
Glial cell line-derived neurotrophic factor (GDNF) is essential for the self-renewal and proliferation of spermatogonial stem cells (SSCs) in mice, rats, and rabbits. Although the key extrinsic factors essential for spermatogonial proliferation in other mammals have not been determined, GDNF is one of the potential candidates. In this study, we isolated porcine GDNF (pGDNF) cDNAs from neonatal testis and generated recombinant pGDNF to investigate its biological activity on gonocytes/undifferentiated spermatogonia, including SSCs...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769418/application-of-stem-cells-in-denstistry-for-bone-regeneration
#11
R Brozek, M Kurpisz, R Koczorowski
Stem cells constitute a non-specialised cell pool able for proliferation, self-renewal and differentiation into progeny constantly replacing used up tissue and/or organ fragments. They have been observed to be present in many tissue reservoirs, including stomatognathic system. Oral cavity seems to be a particularly attractive stem cells' source as these cells are richly present and easily accessible in dental and periodontal tissues and they can be used for therapeutic purposes. Their application is also morally and ethically non-controversial...
February 2018: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29769009/mesenchymal-stem-cell-research-in-veterinary-medicine
#12
Mudasir Bashir Gugjoo, Amarpal, Vikash Chandra, Mohd Yaqoob Wani, Kuldeep Dhama, Gutulla Taru Sharma
BACKGROUND: The stem cells due to their unique characteristic features like self-renewal, multiplication, immuno-modulation and differentiation, are seen and hoped to bring new horizons in the field of biology, in general and medicine, in particular. OBJECTIVE: Among various stem cell types, currently mesenchymal stem cells (MSCs) are extensively studied in regenerative medicine owing to their readily available sources, easy harvesting and ability to differentiate both into mesodermal as well as non-mesodermal tissues with little associated ethical issues...
May 16, 2018: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29767289/regenerative-medicine-applications-of-mesenchymal-stem-cells
#13
Samaneh Hosseini, Leila Taghiyar, Fatemeh Safari, Mohamadreza Baghaban Eslaminejad
A major research challenge is to develop therapeutics that assist with healing damaged tissues and organs because the human body has limited ability to restore the majority of these tissues and organs to their original state. Tissue engineering (TE) and regenerative medicine (RM) promises to offer efficient therapeutic biological strategies that use mesenchymal stem cells (MSCs). MSCs possess the capability for self-renewal, multilineage differentiation, and immunomodulatory properties that make them attractive for clinical applications...
May 17, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29766931/-in-vitro-differentiation-of-neural-cells-from-human-adipose-tissue-derived-stromal-cells
#14
Shruti D Dave, Chetan N Patel, Aruna V Vanikar, Hargovind L Trivedi
Background: Stem cells, including neural stem cells (NSCs), are endowed with self-renewal capability and hence hold great opportunity for the institution of replacement/protective therapy. We propose a method for in vitro generation of stromal cells from human adipose tissue and their differentiation into neural cells. Materials and Methods: Ten grams of donor adipose tissue was surgically resected from the abdominal wall of the human donor after the participants' informed consents...
May 2018: Neurology India
https://www.readbyqxmd.com/read/29765861/mitochondrial-metabolism-mediated-regulation-of-adult-neurogenesis
#15
REVIEW
Ruth Beckervordersandforth
The life-long generation of new neurons from radial glia-like neural stem cells (NSCs) is achieved through a stereotypic developmental sequence that requires precise regulatory mechanisms to prevent exhaustion or uncontrolled growth of the stem cell pool. Cellular metabolism is the new kid on the block of adult neurogenesis research and the identity of stage-specific metabolic programs and their impact on neurogenesis turns out to be an emerging research topic in the field. Mitochondrial metabolism is best known for energy production but it contains a great deal more...
November 9, 2017: Brain Plasticity
https://www.readbyqxmd.com/read/29765428/autophagy-in-stem-cell-biology-a-perspective-on-stem-cell-self-renewal-and-differentiation
#16
REVIEW
Xihang Chen, Yunfan He, Feng Lu
Autophagy is a highly conserved cellular process that degrades modified, surplus, or harmful cytoplasmic components by sequestering them in autophagosomes which then fuses with the lysosome for degradation. As a major intracellular degradation and recycling pathway, autophagy is crucial for maintaining cellular homeostasis, as well as for remodeling during normal development. Impairment of this process has been implicated in various diseases, in the pathogenic response to bacterial and viral infections, and in aging...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765423/comparison-of-teratoma-formation-between-embryonic-stem-cells-and-parthenogenetic-embryonic-stem-cells-by-molecular-imaging
#17
Hongyan Tao, Xiaoniao Chen, Anbang Wei, Xianghe Song, Weiqiang Wang, Lu Liang, Qinjun Zhao, Zhibo Han, Zhongchao Han, Xiaojing Wang, Zongjin Li
With their properties of self-renewal and differentiation, embryonic stem (ES) cells hold great promises for regenerative therapy. However, teratoma formation and ethical concerns of ES cells may restrict their potential clinical applications. Currently, parthenogenetic embryonic stem (pES) cells have attracted the interest of researchers for its self-renewing and pluripotent differentiation while eliciting less ethic concerns. In this study, we established a model with ES and pES cells both stably transfected with a double-fusion reporter gene containing renilla luciferase (Rluc) and red fluorescent protein (RFP) to analyze the mechanisms of teratoma formation...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765032/pcgf5-is-required-for-neural-differentiation-of-embryonic-stem-cells
#18
Mingze Yao, Xueke Zhou, Jiajian Zhou, Shixin Gong, Gongcheng Hu, Jiao Li, Kaimeng Huang, Ping Lai, Guang Shi, Andrew P Hutchins, Hao Sun, Huating Wang, Hongjie Yao
Polycomb repressive complex 1 (PRC1) is an important regulator of gene expression and development. PRC1 contains the E3 ligases RING1A/B, which monoubiquitinate lysine 119 at histone H2A (H2AK119ub1), and has been sub-classified into six major complexes based on the presence of a PCGF subunit. Here, we report that PCGF5, one of six PCGF paralogs, is an important requirement in the differentiation of mouse embryonic stem cells (mESCs) towards a neural cell fate. Although PCGF5 is not required for mESC self-renewal, its loss blocks mESC neural differentiation by activating the SMAD2/TGF-╬▓ signaling pathway...
May 15, 2018: Nature Communications
https://www.readbyqxmd.com/read/29764999/targetable-bet-proteins-and-e2f1-dependent-transcriptional-program-maintains-the-malignancy-of-glioblastoma
#19
Liang Xu, Ye Chen, Anand Mayakonda, Lynnette Koh, Yuk Kien Chong, Dennis L Buckley, Edwin Sandanaraj, See Wee Lim, Ruby Yu-Tong Lin, Xin-Yu Ke, Mo-Li Huang, Jianxiang Chen, Wendi Sun, Ling-Zhi Wang, Boon Cher Goh, Huy Q Dinh, Dennis Kappei, Georg E Winter, Ling-Wen Ding, Beng Ti Ang, Benjamin P Berman, James E Bradner, Carol Tang, H Phillip Koeffler
Competitive BET bromodomain inhibitors (BBIs) targeting BET proteins (BRD2, BRD3, BRD4, and BRDT) show promising preclinical activities against brain cancers. However, the BET protein-dependent glioblastoma (GBM)-promoting transcriptional network remains elusive. Here, with mechanistic exploration of a next-generation chemical degrader of BET proteins (dBET6), we reveal a profound and consistent impact of BET proteins on E2F1- dependent transcriptional program in both differentiated GBM cells and brain tumor-initiating cells...
May 15, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29764463/lncmapk6-drives-mapk6-expression-and-liver-tic-self-renewal
#20
Guanqun Huang, Hui Jiang, Yueming He, Ye Lin, Wuzheng Xia, Yuanwei Luo, Min Liang, Boyun Shi, Xinke Zhou, Zhixiang Jian
BACKGROUND: Liver tumor initiating cells (TICs) have self-renewal and differentiate capacities, and largely contribute to tumor initiation, metastasis and drug resistance. MAPK signaling is a critical pathway in many biological processes, while its role in liver TICs hasn't been explored. METHODS: Online-available dataset was used for unbiased screening. Liver TICs were examined CD133 FACS or oncosphere formation. TIC self-renewal was detected by oncosphere formation and tumor initiation assay...
May 15, 2018: Journal of Experimental & Clinical Cancer Research: CR
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