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mesenchymal stem cells cancer

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https://www.readbyqxmd.com/read/28088791/sinomenine-hydrochloride-inhibits-breast-cancer-metastasis-by-attenuating-inflammation-related-epithelial-mesenchymal-transition-and-cancer-stemness
#1
Xiao Li, Pingping Li, Chao Liu, Yu Ren, Xiaojiang Tang, Ke Wang, Jianjun He
Sinomenine hydrochloride (SH) has been investigated for its anti-tumor growth effect. We have previously reported that SH inhibited breast cancer cell proliferation via MAPKs signaling. However, whether SH could inhibit tumor metastasis has not been fully explored. In this study, we found that SH suppressed the metastasis potential of breast cancer cells. The wound healing and transwell assays showed that SH inhibited the migration and invasion ability of both 4T1 and MDA-MB-231 breast cancer cells. The orthotopic mouse model of 4T1 and the experimental mouse model of MDA-MB-231-luc (MDA-MB-231 cell line expressing firefly luciferase) demonstrated that SH treatment inhibited breast cancer metastasis by inhibiting epithelial-mesenchymal transition (EMT) and cancer stem cell (CSC) properties without obvious hepatotoxicity and renal toxicity...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28079609/mesenchymal-stem-cells-induce-epithelial-mesenchymal-transition-in-melanoma-by-paracrine-secretion-of-transforming-growth-factor-%C3%AE
#2
Chuan Lv, Haiying Dai, Mengyan Sun, Hui Zhao, Kai Wu, Ji Zhu, Yuchong Wang, Xian Cao, Zhaofan Xia, Chunyu Xue
Mesenchymal stem cells (MSCs) are considered for potential use as an ideal vehicle to efficiently deliver therapeutic agents in treatment against cancers including melanoma. However, emerging evidence indicates that MSCs promote tumor growth and progression. Therefore, a comprehensive understanding of the role of MSCs is very important to evaluate the MSCs-based therapy in melanoma. B16 melanoma cells treated by MSC conditioned medium (CM), showed significantly enhanced migration and invasion, which was also confirmed in a lung metastasis mice model in vivo...
January 5, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28079253/epithelial-mesenchymal-transition-emt-a-biological-process-in-the-development-stem-cell-differentiation-and-tumorigenesis
#3
REVIEW
Tong Chen, Yanan You, Hua Jiang, Zack Z Wang
The lineage transition between epithelium and mesenchyme is a process known as epithelial-mesenchymal transition (EMT), by which polarized epithelial cells lose their adhesion property and obtain mesenchymal cell phenotypes. EMT is a biological process that is often involved in embryogenesis and diseases, such as cancer invasion and metastasis. The EMT and the reverse process, mesenchymal-epithelial transition (MET), also play important roles in stem cell differentiation and de-differentiation (or reprogramming)...
January 12, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28076840/hif-1%C3%AE-induces-the-epithelial-mesenchymal-transition-in-gastric-cancer-stem-cells-through-the-snail-pathway
#4
Shi-Wei Yang, Zhi-Gang Zhang, Ying-Xue Hao, Yong-Liang Zhao, Feng Qian, Yan Shi, Ping-Ang Li, Chun-Yang Liu, Pei-Wu Yu
Substantial evidence suggests that the epithelial-mesenchymal transition (EMT) phenotype is associated with the invasive characteristics of cancer stem cells (CSCs),which possess an EMT phenotype that may predominate in tumor invasion and metastasis. However, the mechanisms for the generation and regulation of these CSCs have not been clearly defined. As hypoxia and EMT-related factors may have important functions in EMT-like CSCs, the aim of this study was to investigate the effects of hypoxia on these cells...
January 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28076364/ifn%C3%AE-regulates-activated-v%C3%AE-2-t-cells-through-a-feedback-mechanism-mediated-by-mesenchymal-stem-cells
#5
Karoline Fechter, Akaitz Dorronsoro, Emma Jakobsson, Izaskun Ferrin, Valérie Lang, Pilar Sepulveda, Daniel J Pennington, César Trigueros
γδ T cells play a role in a wide range of diseases such as autoimmunity and cancer. The majority of circulating human γδ T lymphocytes express a Vγ9Vδ2+ (Vδ2+) T cell receptor (TCR) and following activation release pro-inflammatory cytokines. In this study, we show that IFNγ, produced by Vδ2+ cells, activates mesenchymal stem cell (MSC)-mediated immunosupression, which in turn exerts a negative feedback mechanism on γδ T cell function ranging from cytokine production to proliferation. Importantly, this modulatory effect is limited to a short period of time (<24 hours) post-T cell activation, after which MSCs can no longer exert their immunoregulatory capacity...
2017: PloS One
https://www.readbyqxmd.com/read/28075453/mir-375-inhibits-cancer-stem-cell-phenotype-and-tamoxifen-resistance-by-degrading-hoxb3-in-human-er-positive-breast-cancer
#6
Hui Fu, Lei Fu, Chao Xie, Wen-Shu Zuo, Yan-Song Liu, Mei-Zhu Zheng, Jin-Ming Yu
Cancer stem cell (CSC) formation and epithelial-mesenchymal transition (EMT) are pivotal events in tumor cell invasion and metastasis. They have been shown to occur in resistance to tamoxifen. Moreover, microRNAs (miRNAs) have been associated with CSCs, EMT as well as tamoxifen resistance. Studying molecular mechanism of CSCs, EMT as well as tamoxifen resistance will help us to further understand the pathogenesis and progression of the disease and offer new targets for effective therapies. In the present study, we showed that miR-375 inhibits CSC traits in breast cancer MCF-7 cells...
January 9, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28067107/physical-properties-and-biological-interactions-of-liposomes-developed-as-a-drug-carrier-in-the-field-of-regenerative-medicine
#7
Sławomir Lewicki, Monika Leśniak, Eugeniusz Krzysztof Machaj, Małgorzata Antos-Bielska, Elżbieta Anna Trafny, Janusz Kocik, Zygmunt Pojda
Liposomes are used for encapsulation of the active compounds in different therapies, with the increasing frequency. The important areas of clinical applications of liposomes are cancer targeted treatment, antibiotic delivery or regenerative medicine. The liposomes can transfer both hydrophilic and hydrophobic compounds and have the lipid bilayer which imitates the cell membrane. Liposomes additionally may extend half-live period of drugs and protect them against the elimination in different ways, such as phagocytosis, enzymatic cleavage or exclusion by detoxification...
January 8, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28064441/analysis-of-the-origin-of-anaplastic-pancreatic-cancer-and-the-mechanism-of-its-dedifferentiation
#8
Kotaro Miura, Kenjiro Kimura, Ryosuke Amano, Sadaaki Yamazoe, Go Ohira, Kohei Nishio, Naoki Kametani, Kosei Hirakawa, Masaichi Ohira
BACKGROUND: We researched the origin and progression of anaplastic pancreatic cancer (APC) from the viewpoints of cell lineage, epithelial-mesenchymal transition (EMT) and cancer stem like cells (CSC). METHODS: Using specimens from patients with APC and differentiated pancreatic ductal adenocarcinoma (PDAC), expression of sex-determining region Y box 9 (SOX9), E-cadherin, vimentin, ZEB-1, Snail, N-cadherin, CD24 and CD44 was estimated using immunohistochemistry...
January 8, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28064436/mir-181b-5p-ets1-and-c-met-pathway-exacerbates-the-prognosis-of-pancreatic-ductal-adenocarcinoma-after-radiation-therapy
#9
Hideo Tomihara, Daisaku Yamada, Hidetoshi Eguchi, Yoshifumi Iwagami, Takehiro Noda, Tadafumi Asaoka, Hiroshi Wada, Koichi Kawamoto, Kunihito Gotoh, Yutaka Takeda, Masahiro Tanemura, Masaki Mori, Yuichiro Doki
Preoperative chemoradiation therapy (CRT) for pancreatic ductal adenocarcinoma (PDAC) has emerged as a reasonable strategy that shows good prognostic impact. However, after preoperative CRT, resected specimens exhibited remnant tumor cells, which indicated that some tumor cells had acquired or were selected for resistance to CRT. Recently, two oncological mechanisms, the epithelial-mesenchymal transition (EMT) and the presence of cancer stem cells (CSCs) were reported to be associated with resistance in various cancers...
January 8, 2017: Cancer Science
https://www.readbyqxmd.com/read/28062830/dissecting-inherent-intratumor-heterogeneity-in-patient-derived-glioblastoma-culture-models
#10
Jian Teng, Cintia Carla da Hora, Rami S Kantar, Ichiro Nakano, Hiroaki Wakimoto, Tracy T Batchelor, E Antonio Chiocca, Christian E Badr, Bakhos A Tannous
BACKGROUND: Molecular profile of glioblastoma multiforme (GBM) revealed 4 subtypes, 2 of which, proneural and mesenchymal, have been predominantly observed, with the latter displaying a more aggressive phenotype and increased therapeutic resistance. Single-cell RNA sequencing revealed that multiple subtypes actually reside within the same tumor, suggesting cellular heterogeneity in GBM. Further, plasticity between these 2 subtypes is observed during tumor recurrence and in response to radiation therapy...
January 6, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28057845/targeting-the-epithelial-to-mesenchymal-transition-the-case-for-differentiation-based-therapy
#11
Diwakar R Pattabiraman, Robert A Weinberg
Although important strides have been made in targeted therapy for certain leukemias and subtypes of breast cancer, the standard of care for most carcinomas still involves chemotherapy, radiotherapy, surgery, or a combination of these. Two processes serve as obstacles to the successful treatment of carcinomas. First, a majority of deaths from these types of cancers occurs as a result of distant metastases and not the primary tumors themselves. Second, subsets of cells that are able to survive conventional therapy drive the aggressive relapse of the tumors, often in forms that are resistant to treatment...
January 5, 2017: Cold Spring Harbor Symposia on Quantitative Biology
https://www.readbyqxmd.com/read/28054666/cyclooxygenase-2-regulates-tgf%C3%AE-induced-cancer-stemness-in-triple-negative-breast-cancer
#12
Jun Tian, Mahmood Y Hachim, Ibrahim Y Hachim, Meiou Dai, Chieh Lo, Fatmah Al Raffa, Suhad Ali, Jean Jacques Lebrun
Triple negative breast cancer (TNBC), an aggressive subtype of breast cancer, display poor prognosis and exhibit resistance to conventional therapies, partly due to an enrichment in breast cancer stem cells (BCSCs). Here, we investigated the role of the cyclooxygenase-2 (COX-2), a downstream target of TGFβ, in regulating BCSCs in TNBC. Bioinformatics analysis revealed that COX-2 is highly expressed in TNBC and that its expression correlated with poor survival outcome in basal subtype of breast cancer. We also found TGFβ-mediated COX-2 expression to be Smad3-dependent and to be required for BCSC self-renewal and expansion in TNBCs...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28053127/potent-emt-and-csc-phenotypes-are-induced-by-oncostatin-m-in-pancreatic-cancer
#13
Jacob M Smigiel, Neetha Parameswaran, Mark W Jackson
: Pancreatic ductal adenocarcinoma (PDAC) is referred to as a silent killer due to the lack of clear symptoms, a lack of early detection methods, and a high frequency of metastasis at diagnosis. In addition, pancreatic cancer is remarkably resistant to chemotherapy, and clinical treatment options remain limited. The tumor microenvironment (TME) and associated factors are important determinants of metastatic capacity and drug resistance. Here, oncostatin M (OSM), an IL-6 cytokine family member, was identified as an important driver of mesenchymal and cancer stem cell (CSC) phenotypes...
January 4, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28052035/brca1-iris-overexpression-promotes-and-maintains-the-tumor-initiating-phenotype-implications-for-triple-negative-breast-cancer-early-lesions
#14
Abhilasha Sinha, Bibbin T Paul, Lisa M Sullivan, Hillary Sims, Ahmed El Bastawisy, Hend F Yousef, Abdel-Rahman N Zekri, Abeer A Bahnassy, Wael M ElShamy
Tumor-initiating cells (TICs) are cancer cells endowed with self-renewal, multi-lineage differentiation, increased chemo-resistance, and in breast cancers the CD44+/CD24-/ALDH1+ phenotype. Triple negative breast cancers show lack of BRCA1 expression in addition to enhanced basal, epithelial-to-mesenchymal transition (EMT), and TIC phenotypes. BRCA1-IRIS (hereafter IRIS) is an oncogene produced by the alternative usage of the BRCA1 locus. IRIS is involved in induction of replication, transcription of selected oncogenes, and promoting breast cancer cells aggressiveness...
December 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/28051358/controlled-retention-of-bmp-2-derived-peptide-on-nanofibers-based-on-mussel-inspired-adhesion-for-bone-formation
#15
Jinkyu Lee, Sajeesh Kumar Mp, Taufiq Ahmad, Min Suk Lee, Heeseok Yang, Do-Gyoon Kim, Kyobum Kim, Bosun Kwon, Heungsoo Shin
Although bone morphogenetic protein-2 (BMP-2) has been frequently used to stimulate bone formation, it has several side effects to be addressed, including the difficulty in optimization of clinically relevant doses and unwanted induction of cancerous signaling processes. In this study, an osteogenic peptide (OP) derived from BMP-2 was investigated as a substitute for BMP-2. In vitro studies showed that OP was able to enhance in the osteogenic differentiation and mineralization of human mesenchymal stem cells (hMSCs)...
January 4, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28051244/moringa-oleifera-lam-improves-lipid-metabolism-during-adipogenic-differentiation-of-human-stem-cells
#16
I Barbagallo, L Vanella, A Distefano, D Nicolosi, A Maravigna, G Lazzarino, M Di Rosa, D Tibullo, R Acquaviva, G Li Volti
OBJECTIVE: Moringa oleifera Lam., a multipurpose tree, is used traditionally for its nutritional and medicinal properties. It has been used for the treatment of a variety of conditions, including inflammation, cancer and metabolic disorders. MATERIALS AND METHODS: We investigated the effect of Moringa oleifera Lam. on adipogenic differentiation of human adipose-derived mesenchymal stem cells and its impact on lipid metabolism and cellular antioxidant systems. RESULTS: We showed that Moringa oleifera Lam...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28051153/the-metastasis-suppressor-rarres3-as-an-endogenous-inhibitor-of-the-immunoproteasome-expression-in-breast-cancer-cells
#17
Alison M Anderson, Murugan Kalimutho, Sarah Harten, Devathri M Nanayakkara, Kum Kum Khanna, Mark A Ragan
In breast cancer metastasis, the dynamic continuum involving pro- and anti-inflammatory regulators can become compromised. Over 600 genes have been implicated in metastasis to bone, lung or brain but how these genes might contribute to perturbation of immune function is poorly understood. To gain insight, we adopted a gene co-expression network approach that draws on the functional parallels between naturally occurring bone marrow-derived mesenchymal stem cells (BM-MSCs) and cancer stem cells (CSCs). Our network analyses indicate a key role for metastasis suppressor RARRES3, including potential to regulate the immunoproteasome (IP), a specialized proteasome induced under inflammatory conditions...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28049944/controlled-secretion-of-the-anticancer-protein-mda-7-from-engineered-mesenchymal-stem-cells
#18
Atsunobu Sagara, Takeshi Karasawa, Katsuhide Igarashi, Maky Otsuka, Rei Sugiura, Akihiro Kodama, Mutsumi Yamashita, Minoru Narita, Yoshinori Kato
Mesenchymal stem cells (MSCs) have been explored as a "live" carrier of cytokines for targeted cancer therapy, but, in earlier reports in the literature, the secretion process of therapeutic cytokines was not regulated. The purpose of this study was to generate MSCs to conditionally secrete the melanoma differentiation-associated gene-7 (MDA-7) tumor-suppressor protein. To control the secretion of MDA-7 from MSCs, a well-established tetracycline-controlled transcriptional activation system was incorporated into MDA-7 plasmid...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28044259/bortezomib-interferes-with-adhesion-of-b-cell-precursor-acute-lymphoblastic-leukemia-cells-through-sparc-up-regulation-in-human-bone-marrow-mesenchymal-stromal-stem-cells
#19
Masaki Iwasa, Yasuo Miura, Aya Fujishiro, Sumie Fujii, Noriko Sugino, Satoshi Yoshioka, Asumi Yokota, Terutoshi Hishita, Hideyo Hirai, Akira Andoh, Tatsuo Ichinohe, Taira Maekawa
The poor prognosis of adults with B cell precursor acute lymphoblastic leukemia (BCP-ALL) is attributed to leukemia cells that are protected by the bone marrow (BM) microenvironment. In the present study, we explored the pharmacological targeting of mesenchymal stromal/stem cells in BM (BM-MSCs) to eliminate chemoresistant BCP-ALL cells. Human BCP-ALL cells (NALM-6 cells) that adhered to human BM-MSCs (NALM-6/Ad) were highly resistant to multiple anti-cancer drugs, and exhibited pro-survival characteristics, such as an enhanced Akt/Bcl-2 pathway and increased populations in the G0 and G2/S/M cell cycle stages...
January 2, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28039693/exosomal-communication-in-glioma-a-review
#20
Hongsheng Xu, Kezhong Zhang, Hailiang Zong, Ming Shang, Kai Li, Xiaoguang He
Cancer research has revealed the existence of cancer stem cells (CSCs). However, the influence of the surrounding stromal cells present in the microenvironment on CSCs is still poorly understood. The latest studies on gliomas suggested that the microenvironment of human gliomas contains both glioma stem cells (GSCs) and glioma associated (GA)-mesenchymal stem cells (MSCs; (GA-MSCs). Also, studies have suggested that nano- sized vesicles, termed exosomes, have been recently observed to contribute towards intercellular communication within the tumor niche...
November 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
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