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https://www.readbyqxmd.com/read/28546919/cell-viability-and-extracellular-matrix-synthesis-in-a-co-culture-system-of-corneal-stromal-cells-and-adipose-derived-mesenchymal-stem-cells
#1
Ting Shen, Jiang Shen, Qing-Qing Zheng, Qiu-Shi Li, Hai-Lan Zhao, Lei Cui, Chao-Yang Hong
AIM: To investigate the impact of adipose-derived mesenchymal stem cells (ADSCs) on cell viability and extracellular matrix (ECM) synthesis of corneal stromal cells (CSCs). METHODS: ADSCs and CSCs were obtained from the corneas of New Zealand white rabbits and indirectly co-cultured in vitro. The proliferative capacity of CSCs in the different groups was assessed by CCK-8 assays. Annexin V-fluorescein isothiocyanate (FITC)/proliferation indices (PI) assays were used to detect the apoptosis of CSCs...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546680/the-impact-of-the-yogic-lifestyle-on-cancer-prognosis-and-survival-can-we-target-cancer-stem-cells-with-yoga
#2
Kavita Beri
Cancer has recently been known to originate from stem cell-like cells, called cancer stem cells (CSCs). Their unique properties of self-duplication, multiplication, as well as migration give the CSC resistance over conventional cancer therapies. Newer therapies are in developmental stage to target these stem cell-like populations and become the vanguard of future treatments. Several complementary and alternative treatments have been used in cancer management as an adjunct to conventional therapy to improve the overall quality of life and reduce recurrence...
May 2017: International Journal of Yoga
https://www.readbyqxmd.com/read/28545668/phenethyl-isothiocyanate-suppresses-cancer-stem-cell-properties-in-vitro-and-in-a-xenograft-model
#3
Ji Ho Yun, Kyung-A Kim, Gyhye Yoo, Sun Young Kim, Ji Min Shin, Jung Hoon Kim, Sang Hoon Jung, Jungho Kim, Chu Won Nho
BACKGROUND: Cancer stem cells (CSCs) are a subset of cells within the bulk of a tumor that have the ability to self-renew and differentiate, and are thus associated with cancer invasion, metastasis, and recurrence. Phenethyl isothiocyanate (PEITC) is a natural compound found in cruciferous vegetables such as broccoli and is used as a cancer chemopreventive agent; however, its effects on CSCs are little known. PURPOSE: To evaluate the effect of PEITC on CSCs in this study by examining CSC properties...
July 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28545541/mal-gene-overexpression-as-a-marker-of-high-grade-serous-ovarian-carcinoma-stem-like-cells-that-predicts-chemoresistance-and-poor-prognosis
#4
Laura Zanotti, Chiara Romani, Laura Tassone, Paola Todeschini, Renata Alessandra Tassi, Elisabetta Bandiera, Giovanna Damia, Francesca Ricci, Laura Ardighieri, Stefano Calza, Sergio Marchini, Luca Beltrame, Germana Tognon, Maurizio D'Incalci, Sergio Pecorelli, Enrico Sartori, Franco Odicino, Antonella Ravaggi, Eliana Bignotti
BACKGROUND: The existence of cancer stem cells (CSCs) within a tumor bulk has been demonstrated for many solid tumors including epithelial ovarian carcinoma (EOC). CSCs have been associated to tumor invasion, metastasis and development of chemoresistant recurrences. In this context, we aim to characterize EOC CSCs from the molecular point of view in order to identify potential biomarkers associated with chemoresistance. METHODS: We isolated a population of cells with stem-like characteristics (OVA-BS4 spheroids) from a primary human EOC cell line under selective conditions...
May 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28539553/identification-of-cancer-stem-cell-antigens-and-development-of-ctl-mediated-cancer-immunotherapy
#5
Sho Miyamoto, Takayuki Kanaseki, Yoshihiko Hirohashi, Tomohide Tsukahara, Yasuhiro Kikuchi, Noriyuki Sato, Toshihiko Torigoe
  Cancer-stem cells (or cancer-stem like cells, CSC) play an indispensable role in tumor initiation or tumor development in vivo. However, CSCs are resistant to conventional therapies including chemo/radiotherapy and a certain molecularly-targeted therapy, thereby are responsible for tumor relapse or metastasis in clinical settings. In this review, we focus on cytotoxic T-cell mediated immune responses against CSCs and discuss a challenge of targeting CSCs as well as the development of CSC-based cancer immunotherapy, which is an emerging and promising strategy toward a complete cure of quite a few types of cancers...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28537895/interaction-of-glycosphingolipids-gd3-and-gd2-with-growth-factor-receptors-maintains-breast-cancer-stem-cell-phenotype
#6
Yuh-Jin Liang, Chen-Yu Wang, I-An Wang, Yi-Wen Chen, Li-Tzu Li, Chuang-Yu Lin, Ming-Yi Ho, Tsung-Lung Chou, Ya-Hui Wang, Shih-Pin Chiou, Yu-Ju Lin, John Yu
Many studies have suggested that disialogangliosides, GD2 and GD3, are involved in the development of various tumor types. However, the functional relationships between ganglioside expression and cancer development or aggressiveness are not fully described. GD3 is upregulated in approximately half of all invasive ductal breast carcinoma cases, and enhanced expression of GD3 synthase (GD3S, alpha-N-acetylneuraminide alpha-2,8-sialyltransferase) in estrogen receptor-negative breast tumors, was shown to correlate with reduced overall patient survival...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28536422/secreted-frizzled-related-protein-4-sfrp4-chemo-sensitizes-cancer-stem-cells-derived-from-human-breast-prostate-and-ovary-tumor-cell-lines
#7
A Deshmukh, S Kumar, F Arfuso, P Newsholme, A Dharmarajan
This study investigated molecular signals essential to sustain cancer stem cells (CSCs) and assessed their activity in the presence of secreted frizzled-related protein 4 (sFRP4) alone or in combination with chemotherapeutic drugs. SFRP4 is a known Wnt antagonist, and is also pro-apoptotic and anti-angiogenic. Additionally, sFRP4 has been demonstrated to confer chemo-sensitization and improve chemotherapeutic efficacy. CSCs were isolated from breast, prostate, and ovary tumor cell lines, and characterized using tumor-specific markers such as CD44(+)/CD24(-)/CD133(+)...
May 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28536008/chemosensitization-and-inhibition-of-pancreatic-cancer-stem-cell-proliferation-by-overexpression-of-microrna-205
#8
Amit Kumar Chaudhary, Goutam Mondal, Virender Kumar, Krishna Kattel, Ram I Mahato
Treatment of pancreatic cancer with gemcitabine (GEM) is limited due to its rapid plasma metabolism and development of chemoresistance. MicroRNA (miRNA) regulates cancer stem cell (CSC) maintenance and induces chemoresistance in cancer cells. In this study, we observed differential downregulation of miR-205 (miR-205-5p) in human pancreatic cancer tissues and cells. Compared to GEM-sensitive MIA PaCa-2 cells, miR-205 was highly downregulated in GEM-resistant MIA PaCa-2R cells. Lentivirus-mediated overexpression of miR-205 inhibits MIA PaCa-2R cell proliferation after GEM-treatment...
May 20, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28534989/enhanced-cancer-stem-cell-properties-of-a-mitotically-quiescent-subpopulation-of-p75ntr-positive-cells-in-esophageal-squamous-cell-carcinoma
#9
Hirofumi Kojima, Tomoyuki Okumura, Tetsuji Yamaguchi, Takeshi Miwa, Yutaka Shimada, Takuya Nagata
Mitotically quiescent cancer stem cells (CSCs) possess higher malignant potential than other CSCs, indicating their higher contribution to therapeutic resistance than that of other CSCs. In esophageal squamous cell carcinoma (ESCC), p75 neurotrophin receptor (p75NTR) is expressed in a candidate CSC population showing high tumorigenicity and chemoresistance. In the present study, we isolated and characterized quiescent CSCs population in ESCC based on p75NTR expression and cell cycle status. Expression of p75NTR and Ki-67 in ESCC cell lines (KYSE cells) and surgically resected ESCC specimens was detected by performing immunocytochemical analysis...
May 16, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28533948/radiosensitization-effect-of-hsa-mir-138-2-3p-on-human-laryngeal-cancer-stem-cells
#10
Ying Zhu, Li-Yun Shi, Yan-Min Lei, Yan-Hong Bao, Zhao-Yang Li, Fei Ding, Gui-Ting Zhu, Qing-Qing Wang, Chang-Xin Huang
BACKGROUND: Treatments that target cancer stem cells play an important role in the controlling and eliminating of tumor initiation as well as in development, progression, and chemotherapy/radiotherapy resistance. In our previous study, we cultured and harvested human laryngeal cancer stem cells (CSCs) and applied microRNA biochips to screen differentially expressed miRNAs that were related to radiation tolerance in irradiated human laryngeal CSCs. According to the predicted genes and pathways of differential miRNAs target, down-regulated expression of hsa-miR-138-2-3p under radiation was thought to play a key role in enhancing the radio-sensitivity in human laryngeal squamous cancer stem cells...
2017: PeerJ
https://www.readbyqxmd.com/read/28532252/chronic-subthreshold-cortical-stimulation-a-therapeutic-and-potentially-restorative-therapy-for-focal-epilepsy
#11
Brian Nils Lundstrom, Gregory A Worrell, Matt Stead, Jamie J Van Gompel
Approximately one third of patients with focal epilepsy continue to have ongoing seizures despite adequate trials of anti-seizure medications. Surgery to remove the epileptogenic zone remains the most efficacious treatment option for focal drug-resistant epilepsy. However, when cortical areas are eloquent or there are multiple epileptogenic zones, surgical resection is not an ideal approach. Cortical stimulation provides an attractive alternative. Area Covered: Here, the authors describe Chronic Subthreshold Cortical Stimulation (CSCS), which uses continuous intracranial electrical stimulation applied near the epileptogenic zone to lower seizure probability...
May 22, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/28530657/normal-and-cancerous-mammary-stem-cells-evade-interferon-induced-constraint-through-the-mir-199a-lcor-axis
#12
Toni Celià-Terrassa, Daniel D Liu, Abrar Choudhury, Xiang Hang, Yong Wei, Jose Zamalloa, Raymundo Alfaro-Aco, Rumela Chakrabarti, Yi-Zhou Jiang, Bong Ihn Koh, Heath A Smith, Christina DeCoste, Jun-Jing Li, Zhi-Ming Shao, Yibin Kang
Tumour-initiating cells, or cancer stem cells (CSCs), possess stem-cell-like properties observed in normal adult tissue stem cells. Normal and cancerous stem cells may therefore share regulatory mechanisms for maintaining self-renewing capacity and resisting differentiation elicited by cell-intrinsic or microenvironmental cues. Here, we show that miR-199a promotes stem cell properties in mammary stem cells and breast CSCs by directly repressing nuclear receptor corepressor LCOR, which primes interferon (IFN) responses...
May 22, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28529925/targeting-lung-cancer-stem-cells-research-and-clinical-impacts
#13
REVIEW
Norashikin Zakaria, Nazilah Abdul Satar, Noor Hanis Abu Halim, Siti Hawa Ngalim, Narazah Mohd Yusoff, Juntang Lin, Badrul Hisham Yahaya
Lung cancer is the most common cancer worldwide, accounting for 1.8 million new cases and 1.6 million deaths in 2012. Non-small cell lung cancer (NSCLC), which is one of two types of lung cancer, accounts for 85-90% of all lung cancers. Despite advances in therapy, lung cancer still remains a leading cause of death. Cancer relapse and dissemination after treatment indicates the existence of a niche of cancer cells that are not fully eradicated by current therapies. These chemoresistant populations of cancer cells are called cancer stem cells (CSCs) because they possess the self-renewal and differentiation capabilities similar to those of normal stem cells...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28529629/the-antihelminthic-drug-niclosamide-effectively-inhibits-the-malignant-phenotypes-of-uveal-melanoma-in-vitro-and-in-vivo
#14
Jingfeng Zhou, Bei Jin, Yanli Jin, Yizhi Liu, Jingxuan Pan
Uveal melanoma (UM) is a lethal intraocular malignancy with an average survival of only 2~8 months in patients with hepatic metastasis. Currently, there is no effective therapy for metastatic UM. Here, we reported that niclosamide, an effective repellence of tapeworm that has been approved for use in patients for approximately 50 years, exhibited strong antitumor activity in UM cells in vitro and in vivo. We showed that niclosamide potently inhibited UM cell proliferation, induced apoptosis and reduced migration and invasion...
2017: Theranostics
https://www.readbyqxmd.com/read/28529570/the-meaning-of-piwi-proteins-in-cancer-development
#15
Monika Litwin, Anna Szczepańska-Buda, Aleksandra Piotrowska, Piotr Dzięgiel, Wojciech Witkiewicz
Cancer is a histologically and genetically heterogeneous population of tumor cells that exhibits distinct molecular profiles determined by epigenetic alterations. P-element-induced wimpy testis (PIWI) proteins in complex with PIWI-interacting RNA (piRNA) have been previously demonstrated to be involved in epigenetic regulation in germline cells. Recently, reactivation of PIWI expression, primarily PIWI-like protein 1 and 2, through aberrant DNA methylation resulting in genomic silencing has been identified in various types of tumors...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28527911/cancer-stem-cells-at-the-forefront-of-personalized-medicine-and-immunotherapy
#16
REVIEW
Micol E Fiori, Lidia Villanova, Ruggero De Maria
Cancer stem cells (CSCs) represent the main target of the current efforts to eradicate cancer, because of their ability to promote metastatic dissemination and survive cytotoxic therapies. Here, we highlight the potential of patient-derived CSCs as an in vitro and in vivo pre-clinical model and of liquid biopsy as a diagnostic, prognostic and predictive tool. We discuss recently developed therapeutic strategies aiming at specifically targeting the cancer stem cell population, particularly focusing on the latest advances in cancer immunotherapy...
May 18, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28526879/musashi-1-promotes-a-cancer-stem-cell-lineage-and-chemoresistance-in-colorectal-cancer-cells
#17
Guang-Yuh Chiou, Tzu-Wei Yang, Chi-Chou Huang, Chia-Ying Tang, Jung-Yi Yen, Ming-Chang Tsai, Hsuan-Yi Chen, Nurul Fadhilah, Chun-Che Lin, Yuh-Jyh Jong
Colorectal cancers (CRCs) are a critical health issue worldwide. Cancer stem cell (CSC) lineages are associated with tumour transformation, progression, and malignant transformation. However, how lineages are transformed and how chemoresistance is acquired by CRCs remain largely unknown. In this report, we demonstrated that the RNA-binding protein Musashi-1 enhanced the development of CD44(+) colorectal CSCs and triggered the formation of anti-apoptotic stress granules (SGs). Our results indicated that CD44(+) CSC lineage-specific induction of tumour malignancies was controlled by Musashi-1...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28525846/exploring-the-clonal-evolution-of-cd133-aldehyde-dehydrogenase-1-aldh1-positive-cancer-stem-like-cells-from-primary-to-recurrent-high-grade-serous-ovarian-cancer-hgsoc-a-study-of-the-ovarian-cancer-therapy-innovative-models-prolong-survival-octips-consortium
#18
Ilary Ruscito, Dan Cacsire Castillo-Tong, Ignace Vergote, Iulia Ignat, Mandy Stanske, Adriaan Vanderstichele, Ram N Ganapathi, Jacek Glajzer, Hagen Kulbe, Fabian Trillsch, Alexander Mustea, Caroline Kreuzinger, Pierluigi Benedetti Panici, Charlie Gourley, Hani Gabra, Mirjana Kessler, Jalid Sehouli, Silvia Darb-Esfahani, Elena Ioana Braicu
BACKGROUND: High-grade serous ovarian cancer (HGSOC) causes 80% of all ovarian cancer (OC) deaths. In this setting, the role of cancer stem-like cells (CSCs) is still unclear. In particular, the evolution of CSC biomarkers from primary (pOC) to recurrent (rOC) HGSOCs is unknown. Aim of this study was to investigate changes in CD133 and aldehyde dehydrogenase-1 (ALDH1) CSC biomarker expression in pOC and rOC HGSOCs. METHODS: Two-hundred and twenty-four pOC and rOC intrapatient paired tissue samples derived from 112 HGSOC patients were evaluated for CD133 and ALDH1 expression using immunohistochemistry (IHC); pOCs and rOCs were compared for CD133 and/or ALDH1 levels...
May 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28522587/preclinical-evaluation-of-medi0641-a-pyrrolobenzodiazepine-conjugated-antibody-drug-conjugate-targeting-5t4
#19
Jay Harper, Christopher Lloyd, Nazzareno Dimasi, Dorin Toader, Rose Marwood, Leeanne Lewis, David Bannister, Jelena Jovanovic, Ryan Fleming, Francois d'Hooge, Shenlan Mao, Allison M Marrero, Martin Korade, Patrick Strout, Linda Xu, Cui Chen, Leslie Wetzel, Shannon Breen, Lilian van Vlerken-Ysla, Sanjoo Jalla, Marlon Rebelatto, Helen Zhong, Elaine M Hurt, Mary Jane Hinrichs, Keven Huang, Philip W Howard, David A Tice, Robert E Hollingsworth, Ronald Herbst, Adeela Kamal
Antibody-drug conjugates (ADCs) are used to selectively deliver cytotoxic agents to tumors and have the potential for increased clinical benefit to cancer patients. 5T4 is an oncofetal antigen overexpressed on the cell surface in many carcinomas on both bulk tumor cells as well as cancer stem cells (CSCs), has very limited normal tissue expression, and can internalize when bound by an antibody. An anti-5T4 antibody was identified and optimized for efficient binding and internalization in a target-specific manner, and engineered cysteines were incorporated into the molecule for site-specific conjugation...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28522298/%C3%AE-cyclodextrin-induces-the-differentiation-of-resident-cardiac-stem-cells-to-cardiomyocytes-through-autophagy
#20
Xingxing Shi, Wenjing Li, Honghong Liu, Deling Yin, Jing Zhao
Cardiac stem cells (CSCs) have emerged as promising cell candidates to regenerate damaged hearts, because of the potential in differentiating to cardiomyocytes. However, the differentiation is difficult to trigger without inducers. Here we reported that β-cyclodextrin (β-CD) increased the expression of cardiac transcription factors (Nkx2.5 and GATA4), structural proteins (cardiac Troponin T, cTnt), transcriptional enhancer (Mef2c) and induced GATA4 nucleus translocation in adult resident CSCs, thus β-CD could be used to enhance myogenic transition...
May 15, 2017: Biochimica et Biophysica Acta
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