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https://www.readbyqxmd.com/read/29457276/abrus-agglutinin-stimulates-bmp-2-dependent-differentiation-through-autophagic-degradation-of-%C3%AE-catenin-in-colon-cancer-stem-cells
#1
Prashanta Kumar Panda, Prajna Paramita Naik, Prakash P Praharaj, Biswa Ranjan Meher, Piyush Kumar Gupta, Rama S Verma, Tapas K Maiti, Muthu K Shanmugam, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Gautam Sethi, Rajesh Agarwal, Sujit K Bhutia
Eradicating cancer stem cells (CSCs) in colorectal cancer (CRC) through differentiation therapy is a promising approach for cancer treatment. Our retrospective tumor-specimen analysis elucidated alteration in the expression of bone morphogenetic protein 2 (BMP-2) and β-catenin during the colon cancer progression, indicating that their possible intervention through "forced differentiation" in colon cancer remission. We reveal that Abrus agglutinin (AGG) induces the colon CSCs differentiation, enhancing sensitive to the anticancer therapeutics...
February 19, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29453555/evaluation-of-the-effect-of-hyperthermia-and-electron-radiation-on-prostate-cancer-stem-cells
#2
Zhila Rajaee, Samideh Khoei, Seied Rabi Mahdavi, Marzieh Ebrahimi, Sakine Shirvalilou, Alireza Mahdavian
The aim of this study was to investigate the effect of hyperthermia, 6 MeV electron radiation and combination of these treatments on cancer cell line DU145 in both monolayer culture and spheroids enriched for prostate cancer stem cells (CSCs). Flowcytometric analysis of the expression of molecular markers CD133+ /CD44+ was carried out to determine the prostate CSCs in cell line DU145 grown as spheroids in serum-free medium. Following monolayer and spheroid culture, DU145 cells were treated with different doses of hyperthermia, electron beam and combination of them...
February 17, 2018: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/29449707/modulation-of-cardiac-stem-cell-characteristics-by-metoprolol-in-hypertensive-heart-disease
#3
Sherin Saheera, Ajay Godwin Potnuri, Renuka R Nair
Cardiac stem cells (CSCs) play a vital role in cardiac remodeling. Uncontrolled hypertension leads to cardiac hypertrophy, followed by cardiac failure. Pathological remodeling is associated with enhanced oxidative stress. Decreased cardiac stem cell efficiency is speculated in heart diseases. Maintaining a healthy stem cell population is essential for preventing progressive cardiac remodeling. Some anti-hypertensive drugs are cardioprotective. However, the effect of these drugs on CSCs has not been investigated...
February 15, 2018: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/29449169/interaction-of-the-wnt-%C3%AE-catenin-and-ras-erk-pathways-involving-co-stabilization-of-both-%C3%AE-catenin-and-ras-plays-important-roles-in-the-colorectal-tumorigenesis
#4
REVIEW
Sang-Kyu Lee, Jeong-Ha Hwang, Kang-Yell Choi
Cancer development is usually driven by multiple genetic and molecular alterations rather than by a single defect. In the human colorectal cancer (CRC), series of mutations of genes are involved in the different stages of tumorigenesis. For example, adenomatous polyposis coli (APC) and KRAS mutations have been known to play roles in the initiation and progression of the tumorigenesis, respectively. However, many studies indicate that mutations of these two genes, which play roles in the Wnt/β-catenin and RAS-extra-cellular signal regulated kinase (ERK) pathways, respectively, cooperatively interact in the tumorigenesis in several different cancer types including CRC...
January 10, 2018: Advances in Biological Regulation
https://www.readbyqxmd.com/read/29448000/bone-marrow-derived-fibrocytes-promote-stem-cell-like-properties-of-lung-cancer-cells
#5
Atsuro Saijo, Hisatsugu Goto, Mayuri Nakano, Atsushi Mitsuhashi, Yoshinori Aono, Masaki Hanibuchi, Hirohisa Ogawa, Hisanori Uehara, Kazuya Kondo, Yasuhiko Nishioka
Cancer stem cells (CSCs) represent a minor population that have clonal tumor initiation and self-renewal capacity and are responsible for tumor initiation, metastasis, and therapeutic resistance. CSCs reside in niches, which are composed of diverse types of stromal cells and extracellular matrix components. These stromal cells regulate CSC-like properties by providing secreted factors or by physical contact. Fibrocytes are differentiated from bone marrow-derived CD14 + monocytes and have features of both macrophages and fibroblasts...
February 12, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29445170/brm270-inhibits-cancer-stem-cell-maintenance-via-microrna-regulation-in-chemoresistant-a549-lung-adenocarcinoma-cells
#6
Taeho Kwon, Nisansala Chandimali, Do Luong Huynh, Jiao Jiao Zhang, Nameun Kim, Yesol Bak, Do-Young Yoon, Dae-Yeul Yu, Jae Cheol Lee, Meeta Gera, Mrinmoy Ghosh, Yang Ho Park, Dong Kee Jeong
Chemotherapy is a standard treatment for non-small-cell lung cancer (NSCLC). However, the dose-limiting toxicity of drugs and the development of chemoresistance are major clinical challenges to successful management of NSCLC. Asian traditional medicine is gaining global attention as a non-toxic alternative to chemotherapy. BRM270 is an extract formulated from seven Asian medicinal plants that has been shown to inhibit tumor cell proliferation in diverse cancer types. We previously demonstrated that BRM270 suppresses tumorigenesis by negatively regulating nuclear factor-κB signaling in multidrug-resistant cancer stem cells (CSCs)...
February 14, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29445137/metabolic-features-of-cancer-stem-cells-the-emerging-role-of-lipid-metabolism
#7
REVIEW
Rita Mancini, Alessia Noto, Maria Elena Pisanu, Claudia De Vitis, Marcello Maugeri-Saccà, Gennaro Ciliberto
Cancer stem cells (CSCs) are an uncommon subset of tumor cells capable of self-renewal, differentiating, and recreating the parental tumor when transplanted into the murine background. Over the past two decades, efforts toward understanding CSC biology culminated into identifying a set of signaling pathways sustaining "stemness". Nevertheless, while metabolic rewiring is nowadays considered a hallmark of cancer, no consensus has been reached on the metabolic features underlying the plastic nature of CSCs, which are capable of residing in a dormant state, and able to rapidly proliferate when the need to repopulate the tumor mass arises...
February 15, 2018: Oncogene
https://www.readbyqxmd.com/read/29444383/stemness-and-anti-cancer-drug-resistance-in-abcg2-highly-expressed-pancreatic-cancer-is-induced-on-3d-culture-condition
#8
Norihiko Sasaki, Toshiyuki Ishiwata, Fumio Hasegawa, Masaki Michishita, Hiroki Kawai, Yoko Matsuda, Tomio Arai, Naoshi Ishikawa, Junko Aida, Kaiyo Takubo, Masashi Toyoda
The expression of ATP-binding cassette subfamily G member 2 (ABCG2) is related with tumorigenic cancer stem cells (CSCs) in several cancers. However, the effects of ABCG2 on CSC-related malignant characteristics in pancreatic ductal adenocarcinoma (PDAC) are not well elucidated. In this study, we compared the characteristics of low (ABCG2-) and high (ABCG2+)-ABCG2-expressing PDAC cells after cell sorting. In adherent culture condition, human PDAC cells, PANC-1, contained approximately 10% ABCG2+ cell populations, and ABCG2+ cells displayed more and longer microvilli compared with ABCG2- cells...
February 14, 2018: Cancer Science
https://www.readbyqxmd.com/read/29444190/bone-marrow-mesenchymal-stem-cell-derived-exosomal-mir-21-protects-c-kit-cardiac-stem-cells-from-oxidative-injury-through-the-pten-pi3k-akt-axis
#9
Bei Shi, Yan Wang, Ranzhun Zhao, Xianping Long, Wenwen Deng, Zhenglong Wang
Stem cell (SC) therapy for ischemic cardiomyopathy is hampered by poor survival of the implanted cells. Recently, SC-derived exosomes have been shown to facilitate cell proliferation and survival by transporting various proteins and non-coding RNAs (such as microRNAs and lncRNAs). In this study, miR-21 was highly enriched in exosomes derived from bone marrow mesenchymal stem cells (MSCs). Interestingly, exosomes collected from hydrogen peroxide (H2O2)-treated MSCs (H-Exo) contained higher levels of miR-21 than exosomes released from MSCs under normal conditions (N-Exo)...
2018: PloS One
https://www.readbyqxmd.com/read/29442576/cabozantinib-and-vandetanib-in-medullary-thyroid-carcinoma-mitochondrial-function-and-its-potential-as-a-therapeutic-target-towards-novel-strategies-to-design-anti-cscs-drugs
#10
Ekaterini Christina Tampaki, Athanasios Tampakis, Raoul Droeser, Efstratios Patsouris, Gregory Kouraklis
No abstract text is available yet for this article.
February 14, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29437792/mechanistic-exploration-of-cancer-stem-cell-marker-voltage-dependent-calcium-channel-%C3%AE-2%C3%AE-1-subunit-mediated-chemotherapy-resistance-in-small-cell-lung-cancer
#11
Jiangyong Yu, Shuhang Wang, Wei Zhao, Jianchun Duan, Zhijie Wang, Hanxiao Chen, Yanhua Tian, Di Wang, Jun Zhao, Tongtong An, Hua Bai, Meina Wu, Jie Wang
PURPOSE: Chemo-resistance in small cell lung cancer (SCLC) is reportedly attributed to the existence of resistant cancer stem cells (CSCs). Studies involving CSC-specific markers and related mechanisms in SCLC remain limited. The current study explored the role of the voltage-dependent calcium channel α2δ1 subunit as a CSC marker in chemo-resistant SCLC, and explored the potential mechanisms of α2δ1-mediated chemo-resistance and strategies of overcoming the resistance. EXPERIMENTAL DESIGN: α2δ1 positive cells were identified and isolated from SCLC cell lines and patient derived xenografts (PDXs) models, and CSC-like properties were subsequently verified...
February 6, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29436618/role-of-autophagy-in-breast-cancer-and-breast-cancer-stem-cells-review
#12
Yanyan Han, Shujun Fan, Tao Qin, Jinfeng Yang, Yan Sun, Ying Lu, Jun Mao, Lianhong Li
Autophagy is a key catabolic process, in which cytosolic cargo is engulfed by the formation of a double membrane and then degraded through the fusing of autophagosomes with lysosomes. Autophagy is a constitutively active, evolutionarily conserved, catabolic process important for the maintenance of homeostasis in cellular stress responses and cell survival. Although the mechanisms of autophagy have not yet been fully elucidated, emerging evidence suggests that it plays a dual role in breast cancer and in maintaining the activity of breast cancer stem cells (CSCs)...
February 8, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29434962/electron-microscopic-analysis-of-different-cell-types-in-human-pancreatic-cancer-spheres
#13
Toshiyuki Ishiwata, Fumio Hasegawa, Masaki Michishita, Norihiko Sasaki, Naoshi Ishikawa, Kaiyo Takubo, Yoko Matsuda, Tomio Arai, Junko Aida
Cancer stem cells (CSCs), which are pluripotent and self-renewable, contribute to the initiation and metastasis of cancer, and are responsible for resistance to chemotherapy and radiation. Pancreatic ductal adenocarcinoma (PDAC) is an aggressive type of cancer that is associated with a high incidence of distant metastasis and recurrence. Sphere formation reveals cell proliferation under nonadherent conditions and is commonly used to identify CSCs; measurements of the number, area and volume of the spheres are used to estimate stemness of PDAC cells...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29434947/association-between-inflammation-and-cancer-stem-cell-phenotype-in-breast-cancer
#14
Young Ju Jeong, Hoon Kyu Oh, Sung Hwan Park, Jin Gu Bong
Inflammation and cancer stem cells (CSCs) are becoming increasingly recognized as components of tumorigenesis in breast cancer. In the present study, the association between inflammation and BCSC phenotype was evaluated in human breast cancer tissue. Immunohistochemical staining for cluster of differentiation (CD)24, 44, 4, 8 and 68 was performed using tissue microarray blocks containing 47 consecutive cases of invasive breast carcinoma and 10 normal breast tissue samples. The levels of inflammatory modulators and cytokines, and intratumoral or peritumoral lymphocyte infiltration, were assessed...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29434914/long-non-coding-rna-malat-1-contributes-to-maintenance-of-stem-cell-like-phenotypes-in-breast-cancer-cells
#15
Linghuan Zeng, Ying Cen, Junjie Chen
Due to the accumulating evidence that has demonstrated the vital role of cancer stem cells (CSCs) in tumor initiation, progression and metastasis, the mechanisms that maintain the stemness of CSCs have attracted increasing attention. Metastasis-associated lung adenocarcinoma transcript-1 (MALAT-1), a long non-coding RNA, which has been revealed to be associated with the malignant behavior of tumors, performs a critical role in maintaining the stemness in several CSCs. In the present study, it was hypothesized that MALAT-1 promotes stem cell-like phenotypes in breast cancer cells...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29434874/antitumor-effects-of-matrine-on-cancer-stem-like-cells-isolated-from-the-human-liver-cancer-smmc-7721-cell-line
#16
Yong Wang, Yahui Liu, Jianshuai Jiang, Hanbin Cui
The existence of cancer stem cells (CSCs) or cancer stem-like cells (CSLCs) is regarded as the cause of tumor formation and recurrence. Matrine has been reported to exhibit antitumor effects in cancer cells. In the present study, a preliminary study was performed on the mechanisms of matrine on hepatocellular carcinoma (HCC) stem-like cells. The HCC SMMC-7721 cell line was cultured in tumor stem cell-specific medium to form spheres, and different concentrations (1, 2 and 5 mg/kg) of cisplatin were then used in order to purify the most drug-resistant cells, which were used as CSLCs...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29433875/alterations-in-cancer-stem-cell-marker-cd44-expression-predict-oncologic-outcome-in-soft-tissue-sarcomas
#17
Timothy Henderson, Mingyi Chen, Morgan A Darrow, Chin-Shang Li, Chi-Lu Chiu, Arta M Monjazeb, William J Murphy, Robert J Canter
BACKGROUND: Cancer stem cells (CSCs) have been shown to resist chemotherapy and promote metastasis after cytotoxic therapies. We sought to determine if the expression of CSC markers (aldehyde dehydrogenase [ALDH], CD44, and epidermal growth factor receptor [EGFR]) predicted outcomes in soft-tissue sarcoma (STS) patients. METHODS: We queried an institutional database of 23 STS patients and evaluated immunohistochemical expression of CSC markers ALDH, CD44, and EGFR...
March 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29430460/cancer-stem-cells-and-evolving-novel-therapies-a-paradigm-shift
#18
REVIEW
Sangeetha Vasudevaraj Naveen, Kumar Kalaivani
Accumulating evidence of stem-like cells/cancer stem cells (CSCs) has been gaining attention of cancer researchers over the last decade. Though many tumors harbor CSCs in their dedicated niches, identifying and exterminating those cells has proved to be difficult, due to their heterogenous nature, as the CSC phenotype vary substantially and may undergo reversible phenotypic changes. As a tumor propagation initiator, CSCs are considered as an exciting novel therapy for a better therapeutic outcome. This review discusses the major advances in the development of CSC-based therapies of most common cancers which includes lung, cervix and liver cancers...
2018: Stem Cell Investigation
https://www.readbyqxmd.com/read/29429675/sonochemical-synthesis-of-two-novel-pb-ii-2d-metal-coordination-polymer-complexes-new-precursor-for-facile-fabrication-of-lead-ii-oxide-bromide-micro-nanostructures
#19
Payam Hayati, Salvio Suárez-García, Angel Gutierrez, Ertan Şahin, Daniel Ruiz Molina, Ali Morsali, Ali Reza Rezvani
Two new lead(II) coordination polymer complexes (CSCs) (2D), [Pb2(L)2(Br)2]n·H2O (1), [Pb2(HL/)(L/)(H2O)2]n·H2O (2), where L = C6H5NO2 (2-pyridinecarboxylic acid) and L/ = C9H6O6 (1,3,5-tricarboxylic acid), have been synthesized under different experimental conditions. Micrometric crystals (bulk) or microsized materials have been obtained depending on using the branch tube method or sonochemical irradiation. All materials have been characterized by scanning electron microscopy (SEM), powder X-ray diffraction (PXRD) and FT-IR spectroscopy...
April 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29429153/cancer-prevention-with-green-tea-and-its-principal-constituent-egcg-from-early-investigations-to-current-focus-on-human-cancer-stem-cells
#20
Hirota Fujiki, Tatsuro Watanabe, Eisaburo Sueoka, Anchalee Rawangkan, Masami Suganuma
Cancer preventive activities of green tea and its main constituent, (-)-epigallocatechin gallate (EGCG) have been extensively studied by scientists all over the world. Since 1983, we have studied the cancer chemopreventive effects of EGCG as well as green tea extract and underlying molecular mechanisms. The first part of this review summarizes groundbreaking topics with EGCG and green tea extract: 1) Delayed cancer onset as revealed by a 10-year prospective cohort study, 2) Prevention of colorectal adenoma recurrence by a double-blind randomized clinical phase II trial, 3) Inhibition of metastasis of B16 melanoma cells to the lungs of mice, 4) Increase in the average value of Young's moduli, i...
January 31, 2018: Molecules and Cells
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