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mesenchymal stem cells cancer

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https://www.readbyqxmd.com/read/29351753/mesenchymal-stem-cells-show-functional-defect-and-decreased-anti-cancer-effect-after-exposure-to-chemotherapeutic-drugs
#1
Chinnapaka Somaiah, Atul Kumar, Renu Sharma, Amit Sharma, Trishna Anand, Jina Bhattacharyya, Damodar Das, Sewali Deka Talukdar, Bithiah Grace Jaganathan
BACKGROUND: Mesenchymal stem cells (MSC) are used for several therapeutic applications to improve the functions of bone, cardiac, nervous tissue as well as to facilitate the repopulation of hematopoietic stem cells. MSC give rise to the non-hematopoietic stromal cells of the bone marrow and are important for the maintenance of normal hematopoiesis. Chemotherapeutic drugs used for treatment of leukemia extensively damage the stromal cells and alter their gene expression profiles. METHODS: We determined the changes in adipogenic, osteogenic differentiation, phenotypic and gene expression in MSC during treatment with chemotherapeutic drugs cytarabine, daunorubicin and vincristine...
January 19, 2018: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29350614/lipg-signaling-promotes-tumor-initiation-and-metastasis-of-human-basal-like-triple-negative-breast-cancer
#2
Pang-Kuo Lo, Yuan Yao, Ji Shin Lee, Yongshu Zhang, Weiliang Huang, Maureen A Kane, Qun Zhou
Current understanding of aggressive human basal-like triple-negative breast cancer (TNBC) remains incomplete. In this study, we show endothelial lipase (LIPG) is aberrantly overexpressed in basal-like TNBCs. We demonstrate that LIPG is required for in vivo tumorigenicity and metastasis of TNBC cells. LIPG possesses a lipase-dependent function that supports cancer cell proliferation and a lipase-independent function that promotes invasiveness, stemness and basal/epithelial-mesenchymal transition features of TNBC...
January 19, 2018: ELife
https://www.readbyqxmd.com/read/29348540/human-colorectal-cancer-derived-mesenchymal-stem-cells-promote-colorectal-cancer-progression-through-il-6-jak2-stat3-signaling
#3
Xiaochao Zhang, Fayong Hu, Geng Li, Guodong Li, Xi Yang, Liang Liu, Rongsheng Zhang, Bixiang Zhang, Yongdong Feng
Mesenchymal stem cells (MSCs) have been reported to localize in colorectal carcinomas, and participate in the formation of the tumor microenvironment. They have recently been isolated from colorectal cancer tissues, and are implicated in the growth, invasion, and metastasis of cancer cells. However, the roles and detailed mechanisms associated with human colorectal cancer-derived MSCs (CC-MSCs) have not been fully addressed. In this study, we found that CC-MSCs increased the migration and invasion of colorectal cancer cells and promoted the tumorigenesis of colorectal cancer through epithelial-to-mesenchymal transition (EMT) in vitro...
January 18, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29347911/micrornas-associated-with-early-neural-crest-development-in-xenopus-laevis
#4
Nicole J Ward, Darrell Green, Janet Higgins, Tamas Dalmay, Andrea Münsterberg, Simon Moxon, Grant N Wheeler
BACKGROUND: The neural crest (NC) is a class of transitory stem cell-like cells unique to vertebrate embryos. NC cells arise within the dorsal neural tube where they undergo an epithelial to mesenchymal transition in order to migrate and differentiate throughout the developing embryo. The derivative cell types give rise to multiple tissues, including the craniofacial skeleton, peripheral nervous system and skin pigment cells. Several well-studied gene regulatory networks underpin NC development, which when disrupted can lead to various neurocristopathies such as craniofrontonasal dysplasia, DiGeorge syndrome and some forms of cancer...
January 18, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29345287/intermittent-calorie-restriction-enhances-epithelial-mesenchymal-transition-through-the-alteration-of-energy-metabolism-in-a-mouse-tumor-model
#5
Osamu Kusuoka, Rina Fujiwara-Tani, Chie Nakashima, Kiyomu Fujii, Hitoshi Ohmori, Takuya Mori, Shingo Kishi, Yoshihiro Miyagawa, Kei Goto, Isao Kawahara, Hiroki Kuniyasu
The effect of intermittent calorie restriction (ICR) on cancer is controversial. In this study, we examined the effects of ICR and food content in syngeneic BALB/c mice injected with CT26 mouse colon cancer cells. Mice were subjected to 24-h fasting once a week for 4 weeks, and then provided with a control, high-calorie, or trans fatty acid-rich diet. While ICR resulted in increases in tumor weights, metastasis and in the number of cancer stem cells (CSCs) in the tumors or blood of mice fed the control and high-fat diets, it had no effect on body weight after 4 weeks...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29344641/inhibition-of-rptor-overcomes-resistance-to-egfr-inhibition-in-triple-negative-breast-cancer-cells
#6
Kyu Sic You, Yong Weon Yi, Sahng-June Kwak, Yeon-Sun Seong
Triple-negative breast cancer (TNBC) cells frequently exhibit activated growth factor signaling and resistance to inhibitors for epidermal growth factor receptor (EGFR), despite the overexpression of EGFR protein, and this is associated with a malignant behavior and a poor prognosis. In this study, to elucidate the underlying mechanisms of resistance to EGFR inhibitor and identify inhibitors that exert a synergistic effect with EGFR inhibition, we examined the inhibitory effects of selected protein kinase inhibitors (PKIs) in combination with gefitinib on the viability of a mesenchymal stem-like (MSL) subtype TNBC cell line...
January 15, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29344547/mesenchymal-stem-cells-in-breast-cancer-response-to-chemical-and-mechanical-stimuli
#7
EDITORIAL
Seiichiro Ishihara, Suzanne M Ponik, Hisashi Haga
No abstract text is available yet for this article.
November 2017: Oncoscience
https://www.readbyqxmd.com/read/29344263/thalidomide-inhibits-proliferation-and-epithelial-mesenchymal-transition-by-modulating-cd133-expression-in-pancreatic-cancer-cells
#8
Congying Chen, Ge Yu, Wenqin Xiao, Miao Xing, Jianbo Ni, Rong Wan, Guoyong Hu
Pancreatic cancer is a solid malignancy with a high mortality rate, on account of the high incidence of metastasis at the time of detection. The aggressiveness of pancreatic cancer may be partly driven by cancer stem cells (CSCs), which are characterized by the ability to self-renew and recapitulate tumors in the ectopic setting. However, although a number of drugs targeting CSCs are currently under clinical investigation, few effective drugs have been developed. The present study demonstrated that thalidomide inhibited cell proliferation and metastasis in pancreatic cancer cell lines through the inhibition of epithelial mesenchymal transition...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344162/effects-of-rat-bone-marrow-derived-mesenchymal-stem-cells-on-breast-cancer-cells-with-differing-hormone-receptor-status
#9
Ying Wang, Shan Shao, Minna Luo, Shangke Huang, Lu Feng, Na Yuan, Fang Wu, Chengxue Dang, Xinhan Zhao
Breast cancer is a heterogeneous disease that can be classified into several molecular intrinsic subtypes according to hormone markers, including estrogen receptor, progesterone receptor and human epidermal growth factor receptor-2. Breast cancer cases with different hormone status vary with respect to patient morbidity, metastasis organotropism and disease progression. It is well known that the most preferential relapse site of breast cancer is in the bone, but the metastatic incidence is markedly higher in hormone receptor-positive cancer compared with that in hormone receptor-negative cancers...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29340100/the-inhibition-of-cordycepin-on-cancer-stemness-in-tgf-beta-induced-chemo-resistant-ovarian-cancer-cell
#10
Chia-Woei Wang, Bao-Hong Lee, Chen-Jei Tai
Chemotherapy is one of the main approach for ovarian cancer. Cancer stem cells (CSCs) escape chemotherapy and lead to chemoresistance. We previously demonstrated that cordycepin (Cd) inhibited metastasis in human ovarian carcinoma cells, the aim of this study is to investigate the effects of Cd on ovarian cancer stemness. TGF-beta was used to induce chemoresistance of chemotherapeutic agent cisplatin in SKOV-3 ovarian cancer cells. After treating with 100 μM of Cd, cell viability, the percentage of cancer stem cells, and the levels of matrix metalloproteinases (MMPs) were decreased in TGF-beta-induced SKOV-3 cells...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339820/histone-variant-macroh2a1-plays-an-isoform-specific-role-in-suppressing-epithelial-mesenchymal-transition
#11
Dayle Q Hodge, Jihong Cui, Matthew J Gamble, Wenjun Guo
Epithelial-Mesenchymal Transition (EMT) is a biological program that plays key roles in various developmental and pathological processes. Although much work has been done on signaling pathways and transcription factors regulating EMT, the epigenetic regulation of EMT remains not well understood. Histone variants have been recognized as a key group of epigenetic regulators. Among them, macroH2A1 is involved in stem cell reprogramming and cancer progression. We postulated that macroH2A1 may play a role in EMT, a process involving reprogramming of cellular states...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29339789/exosome-mediated-breast-cancer-chemoresistance-via-mir-155-transfer
#12
Juliana Carvalho Santos, Natália da Silva Lima, Luis Otavio Sarian, Ander Matheu, Marcelo Lima Ribeiro, Sophie Françoise Mauricette Derchain
Breast cancer remains the most prevalent cause of cancer mortality in woman worldwide due to the metastatic process and therapy resistance. Resistance against cancer therapy is partially attributed to cancer stem cells (CSCs). These cells arise from epithelial cells undergoing epithelial-to-mesenchymal transition (EMT) and might be responsible for tumor recurrence. In this study, we reported the relevance of miR-155 upregulation in chemoresistant cells associated with EMT. Notably, we found miR-155 induction in exosomes isolated from CSCs and resistant cells, followed by resistant cells' exosome transfer to the recipient sensitive cells...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29335012/the-polycomb-group-protein-ezh2-induces-epithelial-mesenchymal-transition-and-pluripotent-phenotype-of-gastric-cancer-cells-by-binding-to-pten-promoter
#13
Lu Gan, Midie Xu, Ruixi Hua, Cong Tan, Jieyun Zhang, Yiwei Gong, Zhenhua Wu, Weiwei Weng, Weiqi Sheng, Weijian Guo
BACKGROUND: The influences of oncogenic Ezh2 on the progression and prognosis of gastric cancer (GC) and the underlying mechanisms are still poorly understood. Here, we aimed at investigating clinicopathological significance of Ezh2 in GC and the mechanisms underlying its function in GC development. METHODS: The expression level of Ezh2 was determined by qRT-PCR, immunoblot, and immunohistochemistry analysis in 156 pairs of GC tissues and adjacent normal gastric mucosa tissues...
January 15, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29332347/genetically-engineered-bone-marrow-derived-mesenchymal-stem-cells-co-expressing-ifn-%C3%AE-and-il-10-inhibit-hepatocellular-carcinoma-by-modulating-mapk-pathway
#14
Hao Wang, Jun Wang, Xiaolei Shi, Yitao Ding
PURPOSE: One of the major challenges in delivering cytokines for the treatment of hepatocellular carcinoma (HCC) is the mode of delivery. This study hypothesized that genetically engineered bone marrow derived mesenchymal stem cells (BMSCs) co-expressing IFN-γ and IL-10 can serve as a potential therapeutic strategy in the treatment of HCC by inhibiting cell proliferation. METHODS: Male Sprague-Dawley rats (n=5, 200-250 g) for BMSCs isolation and Nude/SCID mice (n=35,12-20g) to develop liver cancer xenograft model were used...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29331886/anti-cancer-effects-of-hnha-and-lenvatinib-by-the-suppression-of-emt-mediated-drug-resistance-in-cancer-stem-cells
#15
Yong Sang Lee, Seok-Mo Kim, Bup-Woo Kim, Ho Jin Chang, Soo Young Kim, Cheong Soo Park, Ki Cheong Park, Hang-Seok Chang
Anaplastic thyroid cancer (ATC) constitutes less than 2% of total thyroid cancers but accounts for 20-40% of thyroid cancer-related deaths. Cancer stem cell drug resistance represents a primary factor hindering treatment. This study aimed to develop targeted agents against thyroid malignancy, focusing on individual and synergistic effects of HNHA (histone deacetylase), lenvatinib (FGFR), and sorafenib (tyrosine kinase) inhibitors. Patients with biochemically and histologically proven papillary thyroid cancer (PTC) and ATC were included...
January 11, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29331419/the-therapeutic-potential-of-human-adipose-derived-mesenchymal-stem-cells-producing-cxcl10-in-a-mouse-melanoma-lung-metastasis-model
#16
Hamed Mirzaei, Hossein Salehi, Reza Kazemi Oskuee, Ali Mohammadpour, Hamid Reza Mirzaei, Mohammad Reza Sharifi, Reza Salarinia, Hossein Yousofi Darani, Mojgan Mokhtari, Aria Masoudifar, Amirhossein Sahebkar, Rasoul Salehi, Mahmoud Reza Jaafari
Interferon γ-induced protein 10 kDa (IP-10) is a potent chemoattractant and has been suggested to enhance antitumor activity and mediate tumor regression through multiple mechanisms of action. Multiple lines of evidence have indicated that genetically-modified adult stem cells represent a potential source for cell-based cancer therapy. In the current study, we assessed therapeutic potential of human adipose derived mesenchymal stem cells (hADSC) genetically-modified to express IP-10 for the treatment of lung metastasis in an immunocompetent mouse model of metastatic melanoma...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29330486/new-generation-of-drug-delivery-systems-based-on-ginsenoside-rh2-lysine-and-arginine-treated-highly-porous-graphene-for-improving-anticancer-activity
#17
Hadi Zare-Zardini, Asghar Taheri-Kafrani, Ahmad Amiri, Abdol-Khalegh Bordbar
In this study, Rh2-treated graphene oxide (GO-Rh2), lysine-treated highly porous graphene (Gr-Lys), arginine-treated Gr (Gr-Arg), Rh2-treated Gr-Lys (Gr-Lys-Rh2) and Rh2-treated Gr-Arg (Gr-Arg-Rh2) were synthesized. MTT assay was used for evaluation of cytotoxicity of samples on ovarian cancer (OVCAR3), breast cancer (MDA-MB), Human melanoma (A375) and human mesenchymal stem cells (MSCs) cell lines. The percentage of apoptotic cells was determined by terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) assay...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329589/enhanced-metastatic-capacity-of-breast-cancer-cells-after-interaction-and-hybrid-formation-with-mesenchymal-stroma-stem-cells-msc
#18
Catharina Melzer, Juliane von der Ohe, Ralf Hass
BACKGROUND: Fusion of breast cancer cells with tumor-associated populations of the microenvironment including mesenchymal stroma/stem-like cells (MSC) represents a rare event in cell communication whereby the metastatic capacity of those hybrid cells remains unclear. METHODS: Functional changes were investigated in vitro and in vivo following spontaneous fusion and hybrid cell formation between primary human MSC and human MDA-MB-231 breast cancer cells. Thus, lentiviral eGFP-labeled MSC and breast cancer cells labeled with mcherry resulted in dual-fluorescing hybrid cells after co-culture...
January 5, 2018: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/29329541/a-role-for-endothelial-nitric-oxide-synthase-in-intestinal-stem-cell-proliferation-and-mesenchymal-colorectal-cancer
#19
Jon Peñarando, Laura M López-Sánchez, Rafael Mena, Silvia Guil-Luna, Francisco Conde, Vanessa Hernández, Marta Toledano, Victoria Gudiño, Michela Raponi, Caroline Billard, Carlos Villar, César Díaz, José Gómez-Barbadillo, Juan De la Haba-Rodríguez, Kevin Myant, Enrique Aranda, Antonio Rodríguez-Ariza
BACKGROUND: Nitric oxide (NO) has been highlighted as an important agent in cancer-related events. Although the inducible nitric oxide synthase (iNOS) isoform has received most attention, recent studies in the literature indicate that the endothelial isoenzyme (eNOS) can also modulate different tumor processes including resistance, angiogenesis, invasion, and metastasis. However, the role of eNOS in cancer stem cell (CSC) biology and mesenchymal tumors is unknown. RESULTS: Here, we show that eNOS was significantly upregulated in VilCre ERT2 Apc fl/+ and VilCre ERT2 Apc fl/fl mouse intestinal tissue, with intense immunostaining in hyperproliferative crypts...
January 10, 2018: BMC Biology
https://www.readbyqxmd.com/read/29328401/long-non-coding-rna-meg3-functions-as-a-tumour-suppressor-and-has-prognostic-predictive-value-in-human-pancreatic-cancer
#20
Ling Ma, Feng Wang, Chong Du, Zhengkui Zhang, Huahu Guo, Xuehai Xie, Hongqiao Gao, Yan Zhuang, Marko Kornmann, Hong Gao, Xiaodong Tian, Yinmo Yang
Long non-coding RNA (lncRNA) MEG3 has been demonstrated to be a tumour suppressor in many malignancies. However, the functional role of MEG3 in pancreatic cancer (PC) is unclear. In this study, the expression pattern of MEG3 was evaluated in 25 samples of microdissected PC tissues and 8 PC cell lines and was compared to the expression in adjacent non‑cancerous tissues and a human pancreatic normal epithelial cell line. Loss of MEG3 expression was observed in both the cancerous tissues and cancer cell lines...
January 2, 2018: Oncology Reports
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