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mesenchymal stem cells cancer

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https://www.readbyqxmd.com/read/29156735/telomerase-reverse-transcriptase-mediates-emt-through-nf-%C3%AE%C2%BAb-signaling-in-tongue-squamous-cell-carcinoma
#1
Yan Wu, Chunxiang Bian, Chunlin Zhen, Liu Liu, Zhenghong Lin, Muhammad Farrukh Nisar, Mei Wang, Jörg W Bartsch, Enyi Huang, Ping Ji, Li Yang, Yanhong Yu, Junfeng Yang, Xuemei Jiang, Julia Li Zhong
Locoregional lymph nodes metastasis in oral tongue squamous cell carcinoma represents one of important and common prognostic factors for poor clinical outcome. The human Telomerase Reverse Transcriptase (hTERT) is one of key players in cancer metastasis and stemness, but its exact function in tongue squamous cell carcinoma remains unknown. Here, we aim to understand the role of hTERT by utilizing the CRISPR/Cas9 gene editing system to deplete hTERT in the SCC-15 cell line. Functional comparison of SCC-15 control and knockout cells (hTERT(-/-)) showed that loss of hTERT suppressed cell proliferation and migration/invasion...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156702/post-surgery-fluids-promote-transition-of-cancer-stem-cell-to-endothelial-and-akt-mtor-activity-contributing-to-relapse-of-giant-cell-tumors-of-bone
#2
Flavio Fazioli, Gianluca Colella, Roberta Miceli, Mariano Giuseppe Di Salvatore, Michele Gallo, Serena Boccella, Annarosaria De Chiara, Carlo Ruosi, Filomena de Nigris
Giant cell tumors of bone (GCTB) are rare sarcomas with a high rate of unpredictable local relapse. Studies suggest that surgical methods affect recurrence, supporting the idea that local disease develops from re-growth of residual cancer cells. To identify early prognostic markers of individual risk of recurrence, we evaluated the effect of post-surgery fluids from a cohort of GCTB patients on growth of primary and established sarcoma cell lines, and mice xenograph. Post-surgery fluids increased cell growth and enhanced expression of CD44(++), the principal receptor for the extracellular matrix component hyaluronan and the mesenchymal stem marker CD117(+)...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155506/how-desirable-and-undesirable-features-of-na%C3%A3-ve-or-genetically-reengineered-mesenchymal-stem-cells-are-being-considered-in-preclinical-or-clinical-assays
#3
Carlos González-Villarreal, Herminia Guadalupe Martínez-Rodríguez, Salvador Said-Fernández
The implantation of adult mesenchymal stem cells (MSCs) has become a promising alternative in cancer treatments. Accordingly, in this article we revised the ultimate advances in the knowledge on the MSC-homing mechanism, the cancer cell and MSCs interactions and the microvesicles and exosomes used by malignant cells to transport and deliver pro-cancer cytokines or microRNA (miRNA), or by MSCs to favor or fight cancer progression. In addition, we analyzed the current knowledge generated by ongoing or terminated preclinical and clinical trials, using naive MSCs as natural anti-cancer living factors or gene-engineered MSCs as cytokine delivering vehicles, where anti-cancer cytokines were chosen and the pro-cancer factors were avoided...
July 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29152741/neat1-acts-as-an-inducer-of-cancer-stem-cell-like-phenotypes-in-nsclc-by-inhibiting-egcg-upregulated-ctr1
#4
Pan Jiang, Aochang Chen, Xiaoyue Wu, Ming Zhou, Ijaz Ul Haq, Zahula Mariyam, Qing Feng
Long non-coding RNAs (lncRNAs) play significant roles in the pathogenesis of various cancers, including lung cancer. In this study, we aimed to investigate the biological function of lncRNA nuclear enriched abundant transcript 1 (NEAT1) in cancer stem cells (CSCs). CSCs have been suggested as the main cause of tumor metastasis, tumor recurrence and chemotherapy resistance. The copper transporter 1 (CTR1) has been the focus of many recent studies because of its correlation with cisplatin (CDDP) resistance. So far, the mechanism of how NEAT1 regulates CSCs in NSCLC remains unknown...
November 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29152125/cd49b-inhibits-osteogenic-differentiation-and-plays-an-important-role-in-osteosarcoma-progression
#5
Tingting Ren, Sajida Piperdi, Pratistha Koirala, Amy Park, Wendong Zhang, Daria Ivenitsky, Yidan Zhang, Esperanza Villanueva-Siles, Douglas S Hawkins, Michael Roth, Richard Gorlick
Osteosarcoma is a cancer whose cell of origin lies in the differentiation pathway between the mesenchymal stem cell (MSC) and the osteoblast (OB). In this study, we sought to determine if surface markers associated with osteoblastic differentiation are involved in osteosarcoma progression. cDNA expression arrays were performed on MSCs and osteoblasts to identify differentially expressed genes. The specificity of candidate genes for osteoblast differentiation was assessed through time course experiments in differentiation media with confirmation utilizing CD49b transfected MSCs...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152122/cisplatin-radiosensitizes-radioresistant-human-mesenchymal-stem-cells
#6
Alexander Rühle, Ramon Lopez Perez, Christin Glowa, Klaus-Josef Weber, Anthony D Ho, Jürgen Debus, Rainer Saffrich, Peter E Huber, Nils H Nicolay
Cisplatin-based chemo-radiotherapy is widely used to treat cancers with often severe therapy-associated late toxicities. While mesenchymal stem cells (MSCs) were shown to aid regeneration of cisplatin- or radiation-induced tissue lesions, the effect of the combined treatment on the stem cells remains unknown. Here we demonstrate that cisplatin treatment radiosensitized human bone marrow-derived MSCs in a dose-dependent manner and increased levels of radiation-induced apoptosis. However, the defining stem cell properties of MSCs remained largely intact after cisplatin-based chemo-radiation, and stem cell motility, adhesion, surface marker expression and the characteristic differentiation potential were not significantly influenced...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29150954/physiological-role-of-urothelial-cancer-associated-1-long-noncoding-rna-in-human-skeletogenic-cell-differentiation
#7
Takanori Ishikawa, Takashi Nishida, Mitsuaki Ono, Takeshi Takarada, Nguyen Ha, Shinnosuke Kurihara, Takayuki Furumatsu, Yurika Murase, Masaharu Takigawa, Toshitaka Oohashi, Hiroshi Kamioka, Satoshi Kubota
A vast number of long-noncoding RNAs (lncRNA) are found expressed in human cells, which RNAs have been developed along with human evolution. However, the physiological functions of these lncRNAs remain mostly unknown. In the present study, we for the first time uncovered the fact that one of such lncRNAs plays a significant role in the differentiation of chondrocytes and, possibly, of osteoblasts differentiated from mesenchymal stem cells, which cells eventually construct the human skeleton. The urothelial cancer-associated 1 (UCA1) lncRNA is known to be associated with several human malignancies...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150876/toxicological-characterization-of-zno-nanoparticles-in-malignant-and-non-malignant-cells
#8
Helena Moratin, Agmal Scherzad, Thomas Gehrke, Pascal Ickrath, Katrin Radeloff, Norbert Kleinsasser, Stephan Hackenberg
The increasing usage of zinc oxide nanoparticles (ZnO-NPs) in industrial applications as well as in consumer products raises concern regarding their potential adverse effects to a greater extend. Numerous studies have demonstrated toxic properties of NPs, however there is still a lack of knowledge concerning the underlying mechanisms. This study was designed to systematically investigate cytotoxicity, apoptosis, cell cycle alterations, and genotoxicity induced by ZnO-NP. Moreover, it was an aim of the investigations to specify the diverse effects of nanoparticle exposure in malignant in comparison with non-malignant cells...
November 18, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/29145898/making-gametes-from-alternate-sources-of-stem-cells-past-present-and-future
#9
REVIEW
Deepa Bhartiya, Sandhya Anand, Hiren Patel, Seema Parte
Infertile couples including cancer survivors stand to benefit from gametes differentiated from embryonic or induced pluripotent stem (ES/iPS) cells. It remains challenging to convert human ES/iPS cells into primordial germ-like cells (PGCLCs) en route to obtaining gametes. Considerable success was achieved in 2016 to obtain fertile offspring starting with mouse ES/iPS cells, however the specification of human ES/iPS cells into PGCLCs in vitro is still not achieved. Human ES cells will not yield patient-specific gametes unless and until hES cells are derived by somatic cell nuclear transfer (therapeutic cloning) whereas iPS cells retain the residual epigenetic memory of the somatic cells from which they are derived and also harbor genomic and mitochondrial DNA mutations...
November 16, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29145632/clinical-significance-of-cd13-and-epithelial-mesenchymal-transition-emt-markers-in-hepatocellular-carcinoma
#10
Chihiro Yamanaka, Hiroshi Wada, Hidetoshi Eguchi, Hisanori Hatano, Kunihito Gotoh, Takehiro Noda, Daisaku Yamada, Tadafumi Asaoka, Koichi Kawamoto, Hiroaki Nagano, Yuichiro Doki, Masaki Mori
Background & Aims: To improve prognosis in patients with hepatocellular carcinoma (HCC), the molecular mechanisms of tumor thrombus formation and metastasis must be clarified. The epithelial-mesenchymal transition (EMT) and cancer stem cells (CSCs) play crucial roles in tumor invasion and metastasis. This study aimed to reveal the clinical significance of the expression of the functional CSC marker, CD13, and investigate the correlation between CD13 expression and two EMT markers, E-cadherin and vimentin...
November 14, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29140298/enhancement-of-bone-marrow-derived-mesenchymal-stem-cell-osteogenesis-and-new-bone-formation-in-rats-by-obtusilactone-a
#11
Yi-Hsiung Lin, Chung-Yi Chen, Liang-Yin Chou, Chung-Hwan Chen, Lin Kang, Chau-Zen Wang
The natural pure compound obtusilactone A (OA) was identified in Cinnamomum kotoense Kanehira & Sasaki, and shows effective anti-cancer activity. We studied the effect of OA on osteogenesis of bone marrow-derived mesenchymal stem cells (BMSCs). OA possesses biocompatibility, stimulates Alkaline Phosphatase (ALP) activity and facilitates mineralization of BMSCs. Expression of osteogenesis markers BMP2, Runx2, Collagen I, and Osteocalcin was enhanced in OA-treated BMSCs. An in vivo rat model with local administration of OA via needle implantation to bone marrow-residing BMSCs revealed that OA increased the new bone formation and trabecular bone volume in tibias...
November 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29139088/contrasting-views-on-the-role-of-mesenchymal-stromal-stem-cells-in-tumour-growth-a-systematic-review-of-experimental-design
#12
Ahmed Kolade Oloyo, Melvin Anyasi Ambele, Michael Sean Pepper
The effect of mesenchymal stromal/stem cells (MSCs) on tumour growth remains controversial. Experimental evidence supports both an inhibitory and a stimulatory effect. We have assessed factors responsible for the contrasting effects of MSCs on tumour growth by doing a meta-analysis of existing literature between 2000 and May 2017. We assessed 183 original research articles comprising 338 experiments. We considered (a) in vivo and in vitro experiments, (b) whether in vivo studies were syngeneic or xenogeneic, and (c) if animals were immune competent or deficient...
November 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29139087/the-role-of-reactive-oxygen-species-in-adipogenic-differentiation
#13
Danielle de Villiers, Marnie Potgieter, Melvin A Ambele, Ladislaus Adam, Chrisna Durandt, Michael S Pepper
Interest in reactive oxygen species and adipocyte differentiation/adipose tissue function is steadily increasing. This is due in part to a search for alternative avenues for combating obesity, which results from the excess accumulation of adipose tissue. Obesity is a major risk factor for complex disorders such as cancer, type 2 diabetes, and cardiovascular diseases. The ability of mesenchymal stromal/stem cells (MSCs) to differentiate into adipocytes is often used as a model for studying adipogenesis in vitro...
November 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29138851/nrp1-positive-lung-cancer-cells-possess-tumor-initiating-properties
#14
Luis E Jimenez-Hernandez, Karla Vazquez-Santillan, Rosario Castro-Oropeza, Gustavo Martinez-Ruiz, Laura Muñoz-Galindo, Carolina Gonzalez-Torres, Carlo C Cortes-Gonzalez, Georgina Victoria-Acosta, Jorge Melendez-Zajgla, Vilma Maldonado
Tumor-initiating cells possess the capacity for self-renewal and to create heterogeneous cell lineages within a tumor. Therefore, the identification and isolation of cancer stem cells is an essential step in the analysis of their biology. The aim of the present study was to determine whether the cell surface protein neuropilin 1 (NRP1) can be used as a biomarker of stem-like cells in lung cancer tumors. For this purpose, NRP1-negative (NRP1-) and NRP1-positive (NRP1+) cell subpopulations from two lung cancer cell lines were sorted by flow cytometry...
November 9, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29138559/human-mesenchymal-stem-cell-derived-iron-oxide-exosomes-allow-targeted-ablation-of-tumor-cells-via-magnetic-hyperthermia
#15
U Altanerova, M Babincova, P Babinec, K Benejova, J Jakubechova, V Altanerova, M Zduriencikova, V Repiska, C Altaner
Magnetic hyperthermia, or the heating of tissues using magnetic materials, is a promising approach for treating cancer. We found that human mesenchymal stem cells (MSCs) isolated from various tissues and MSCs expressing the yeast cytosine deaminase∷uracil phosphoribosyl transferase suicide fusion gene (yCD∷UPRT) can be labeled with Venofer, an iron oxide carbohydrate nanoparticle. Venofer labeling did not affect cell proliferation or the ability to home to tumors. All Venofer-labeled MSCs released exosomes that contained iron oxide...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29138005/distinct-hypoxic-regulation-of-preadipocyte-factor-1-pref-1-in-preadipocytes-and-mature-adipocytes
#16
Yunwon Moon, Seongyeol Lee, Bongju Park, Hyunsung Park
Preadipocyte factor-1 (Pref-1) is a secretory soluble protein, which exerts pleiotropic effects on maintenance of cancer stem cell characteristics and commitment of mesenchymal stem cell lineages by inhibiting adipogenesis. Observations that obesity renders the microenvironment of adipose tissues hypoxic and that hypoxia inhibits adipogenesis lead us to investigate whether hypoxia increases the expression of anti-adipogenic Pref-1 in preadipocytes, mature adipocytes, and adipose tissues from obese mouse. In 3T3-L1 preadipocytes, hypoxia induces Pref-1 by a hypoxia-inducible factor 1 (HIF-1)-dependent mechanism accompanied by increase in the levels of the active histone mark, acetylated H3K9/14 (H3K9/14Ac)...
November 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29137675/human-hyaluronic-acid-synthase-1-promotes-malignant-transformation-via-epithelial-to-mesenchymal-transition-micronucleation-and-centrosome-abnormalities
#17
Nguyet Nguyen, Awanit Kumar, Simi Chacko, Rodney J Ouellette, Anirban Ghosh
BACKGROUND: Human hyaluronic acid (HA) molecules are synthesized by three membrane spanning Hyaluronic Acid Synthases (HAS1, HAS2 and HAS3). Of the three, HAS1 is found to be localized more into the cytoplasmic space where it synthesizes intracellular HA. HA is a ubiquitous glycosaminoglycan, mainly present in the extracellular matrix (ECM) and on the cell surface, but are also detected intracellularly. Accumulation of HA in cancer cells, the cancer-surrounding stroma, and ECM is generally considered an independent prognostic factors for patients...
November 14, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/29135091/remarkably-higher-efficacy-and-a-wider-safety-window-for-nonfrontline-over-first-line-drug-combinations-in-the-adenocarcinoma-colo-320dm-cell-line
#18
Elsa N Garza-Trevino, Martha S Rodriguez-Gonzalez, Paulina Delgado Gonzalez, Yesenia G Alonso-Cruz, Yesenia G Alonso-Cruz, Adolfo Soto-Dominguez, Juan F Gonzalez Guerrero, Yanko Castro-Govea, Emiliano Michel Sanchez, Salvador Said Fernandez, Herminia G Martinez-Rodriguez
PURPOSE: To determine in vitro, the efficacy and safety window of not-front-line and first-line anti-colorectal (CRC) drug combinations. METHODS: The adenocarcinoma cell line Colo 320DM and normal human mesenchymal stem cells derived from adipose tissue were used respectively to determine the anti-CRC efficacy (% of Colo 320DM cell death [CD]) and safety window [SW] - % Colo 320DM percent cancer death (PCD)/% of mesenchymal stem cell's death) of drug combinations, using the adenosine triphosphate-based chemotherapy response assay (ATP-CRA)...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29130517/mesenchymal-splice-isoform-of-cd44-cd44s-promotes-emt-invasion-and-imparts-stem-like-properties-to-ovarian-cancer-cells
#19
Rahul Bhattacharya, Tulika Mitra, Susri Ray Chaudhuri, Sib Sankar Roy
Increased metastasis and a precipitous recurrence contribute to the lethality of ovarian cancer (OC). Several molecular mechanisms including aberrant-splicing have been closely associated with the extent of cancer progression. Numerous gene transcripts are differentially spliced in cancer cells, CD44 being one of them. CD44 splice isoforms contribute to the aggressiveness and gain of stem-like properties in different cancer types, but their role in ovarian cancer remains to be elucidated. We observed augmented CD44 levels in human ovarian cancer patient samples correlated with enhanced expression of the mesenchymal spliced variant CD44s (standard) and a concurrent decrease in the epithelial variants (CD44v)...
November 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29130098/ursodeoxycholic-acid-suppresses-epithelial-mesenchymal-transition-and-cancer-stem-cell-formation-by-reducing-the-levels-of-peroxiredoxin-ii-and-reactive-oxygen-species-in-pancreatic-cancer-cells
#20
Yoon Jae Kim, Seok Hoo Jeong, Eun-Kyung Kim, Eui Joo Kim, Jae Hee Cho
Reactive oxygen species (ROS) play a key role in cancer development and progression. Ursodeoxycholic acid (UDCA) may possess antioxidant, anti-inflammatory and chemoprophylatic effects. Therefore, we aimed to investigate the effects and mechanisms of UDCA treatment on pancreatic cancer cells. The pancreatic cancer cell lines HPAC and Capan-1 were treated with 0.2 mM UDCA. To examine alterations in the levels of intracellular ROS, the DCF-DA stain was used and both stemness and epithelial-mesenchymal transition (EMT)-related genes were quantified using qRT-PCR and western blot analysis...
December 2017: Oncology Reports
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