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https://www.readbyqxmd.com/read/28329728/nanohybrid-magnetic-liposome-functionalized-with-hyaluronic-acid-for-enhanced-cellular-uptake-and-near-infrared-triggered-drug-release
#1
Van Du Nguyen, Shaohui Zheng, Jiwon Han, Viet Ha Le, Jong-Oh Park, Sukho Park
The aim of this work is to prepare and evaluate a novel lipid-polymer hybrid liposomal nanoplatform (hyaluronic acid-magnetic nanoparticle-liposomes, HA-MNP-LPs) as a vehicle for targeted delivery and triggered release of an anticancer drug (docetaxel, DTX) in human breast cancer cells. We first synthesize an amphiphilic hyaluronic acid hexadecylamine polymer (HA-C16) to enhance the targeting ability of the hybrid liposome. Next, HA-MNP-LPs are constructed to achieve an average size of 189.93±2.74nm in diameter...
March 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28326835/polymorphisms-of-cancer-stem-cell-marker-gene-cd133-are-associated-with-susceptibility-and-prognosis-of-gastric-cancer
#2
Zhi-Fang Jia, Yan-Hua Wu, Dong-Hui Cao, Xue-Yuan Cao, Jing Jiang, Bao-Sen Zhou
AIM: This study was aimed to investigate the associations between single nucleotide polymorphisms of cancer stem cell marker genes, CD44 and CD133, and susceptibility and prognosis of gastric cancer. PATIENTS & METHODS: Five single nucleotide polymorphisms in CD44 and CD133 genes were genotyped in 898 gastric cancer cases and 992 controls. RESULTS: The A/C or C/C genotypes of CD133 rs2240688 were associated with decreased risk of gastric cancer comparing with the A/A genotype (odds ratio: 0...
February 24, 2017: Future Oncology
https://www.readbyqxmd.com/read/28326306/cd44-a-multifunctional-cell-surface-adhesion-receptor-is-a-regulator-of-progression-and-metastasis-of-cancer-cells
#3
REVIEW
Linda T Senbanjo, Meenakshi A Chellaiah
CD44 is a cell surface adhesion receptor that is highly expressed in many cancers and regulates metastasis via recruitment of CD44 to the cell surface. Its interaction with appropriate extracellular matrix ligands promotes the migration and invasion processes involved in metastases. It was originally identified as a receptor for hyaluronan or hyaluronic acid and later to several other ligands including, osteopontin (OPN), collagens, and matrix metalloproteinases. CD44 has also been identified as a marker for stem cells of several types...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28323124/cd44-is-a-key-player-in-non-alcoholic-steatohepatitis
#4
Stéphanie Patouraux, Déborah Rousseau, Stéphanie Bonnafous, Cynthia Lebeaupin, Carmelo Luci, Clémence M Canivet, Anne-Sophie Schneck, Adeline Bertola, Marie-Christine Saint-Paul, Antonio Iannelli, Jean Gugenheim, Rodolphe Anty, Albert Tran, Béatrice Bailly-Maitre, Philippe Gual
BACKGROUND: CD44 is expressed on many immune cells that contribute to inflammation. It has been shown, mainly through animal data, that CD44 regulates adipose tissue inflammation in obesity and hepatic leukocyte recruitment in a lithogenic context. However, its role in hepatic inflammation in a mouse model of steatohepatitis and its relevance in humans have not yet been investigated. METHODS: The role of CD44 was evaluated in CD44-/- mice and after injections of an αCD44 antibody in Wild-type mice challenged with a methionine- and choline-deficient diet (MCDD)...
March 16, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28321397/the-identification-of-three-cancer-stem-cell-subpopulations-within-moderately-differentiated-lip-squamous-cell-carcinoma
#5
Rachna Ram, Helen D Brasch, Jonathan C Dunne, Paul F Davis, Swee T Tan, Tinte Itinteang
AIM: To identify and characterize cancer stem cells (CSCs) in moderately differentiated lip squamous cell carcinoma (MDLSCC). METHOD: MDLSCC samples underwent 3,3-diaminobenzidine (DAB) immunohistochemical (IHC) staining for squamous cell carcinoma marker EMA, CSC marker CD44 and embryonic stem cell markers NANOG, octamer-binding transcription factor 4 (OCT4), spalt-like transcription factor 4 (SALL4), sex-determining region Y-box 2 (SOX2), and phosphorylated signal transducer and activator of transcription 3 (pSTAT3)...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28321124/combined-inhibition-of-%C3%AE-catenin-and-bcr-abl-synergistically-targets-tyrosine-kinase-inhibitor-resistant-blast-crisis-chronic-myeloid-leukemia-blasts-and-progenitors-in-vitro-and-in-vivo
#6
H Zhou, P Y Mak, H Mu, D H Mak, Z Zeng, J Cortes, Q Liu, M Andreeff, B Z Carter
Tyrosine kinase inhibitor (TKI) resistance and progression to blast crisis (BC), both related to persistent β-catenin activation remain formidable challenges for chronic myeloid leukemia (CML). We observed overexpression of β-catenin in BC-CML stem/progenitor cells, particularly in GMP progenitors, and highest among a novel CD34(+)CD38(+)CD123(hi)Tim-3(hi) subset as determined by CyTOF analysis. Co-culture with mesenchymal stromal cells (MSCs) induced the expression of β-catenin and its target CD44 in CML cells...
March 21, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28319827/immunophenotypical-characterization-of-canine-mesenchymal-stem-cells-from-perivisceral-and-subcutaneous-adipose-tissue-by-a-species-specific-panel-of-antibodies
#7
Ana Ivanovska, Stefano Grolli, Paolo Borghetti, Francesca Ravanetti, Virna Conti, Elena De Angelis, Francesca Macchi, Roberto Ramoni, Paolo Martelli, Ferdinando Gazza, Antonio Cacchioli
Immunophenotypical characterization of mesenchymal stem cells is fundamental for the design and execution of sound experimental and clinical studies. The scarce availability of species-specific antibodies for canine antigens has hampered the immunophenotypical characterization of canine mesenchymal stem cells (MSC). The aim of this study was to select a panel of species-specific direct antibodies readily useful for canine mesenchymal stem cells characterization. They were isolated from perivisceral and subcutaneous adipose tissue samples collected during regular surgeries from 8 dogs...
February 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28302531/resistin-potentiates-chemoresistance-and-stemness-of-breast-cancer-cells-implications-for-racially-disparate-therapeutic-outcomes
#8
Sachin K Deshmukh, Sanjeev K Srivastava, Haseeb Zubair, Arun Bhardwaj, Nikhil Tyagi, Ahmed Al-Ghadhban, Ajay P Singh, Donna L Dyess, James E Carter, Seema Singh
Breast cancer (BC) continues to be the most frequently diagnosed cancer in American women, which disproportionately affects women of African-American (AA) descent. Previously, we reported greater serum levels of resistin in AA BC patients relative to Caucasian-American (CA) patients, and established its role in growth and aggressiveness of breast tumor cells. Here we have investigated the role of resistin in BC-chemoresistance. MDA-MB-231 and MDA-MB-468 BC cells of CA and AA origin, respectively, were incubated with resistin prior to doxorubicin treatment...
March 13, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28301220/periostin-promotes-migration-proliferation-and-differentiation-of-human-periodontal-ligament-mesenchymal-stem-cells
#9
Ziqiang Wu, Wenyong Dai, Pei Wang, Xiaozhen Zhang, Yi Tang, Lin Liu, Qiaona Wang, Ming Li, Chunbo Tang
PURPOSE: Periostin (POSTN) is critical to bone and dental tissue morphogenesis, postnatal development, and maintenance, however, its roles in tissue repair and regeneration mediated by human periodontal ligament mesenchymal stem cells (PDLSCs) remain unclear. The present study was designed to evaluate the effects of POSTN on hPDLSCs in vitro. MATERIALS AND METHODS: hPDLSCs were isolated and characterized by their expression of the cell surface markers CD44, CD90, CD105, CD34, and CD45...
March 16, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28300837/a-cd44v-subpopulation-of-breast-cancer-stem-like-cells-with-enhanced-lung-metastasis-capacity
#10
Jing Hu, Gang Li, Peiyuan Zhang, Xueqian Zhuang, Guohong Hu
Cancer stem-like cells (CSCs) are a subpopulation of cancer cells responsible for tumor growth, and recent evidence suggests that CSCs also contribute to cancer metastasis. However, the heterogeneity of CSCs in metastasis capacities is still unclear in breast cancer. Here we show that among the CD24(-)/CD44(+) breast CSCs, a subset expressing the variant isoform of CD44 (CD44v) displays significantly higher capacity of lung metastasis than that expressing the standard CD44 isoform CD44s. Increasing or reducing the CD44v/CD44s ratio of breast cancer cells by regulating the expression of epithelial splicing regulatory protein 1 (ESRP1) leads to promotion or suppression of lung metastasis without influencing cancer cell stemness...
March 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28289611/comparison-of-characteristics-of-human-amniotic-membrane-and-human-adipose-tissue-derived-mesenchymal-stem-cells
#11
Khadijeh Dizaji Asl, Hajar Shafaei, Jafar Soleimani Rad, Hojjat Ollah Nozad
BACKGROUND: Mesenchymal stem cells (MSCs) are ideal candidates for treatment of diseases. Amniotic membranes are an inexpensive source of MSCs (AM-MSC) without any donor site morbidity in cell therapy. Adipose tissue derived stem cells (ASCs) are also suitable cells for cell therapy. There is discrepancy in CD271 expression among MSCs from different sources. In this study, the characteristics of AM-MSC and ASCs and CD271 expression were compared. METHODS: Adult adipose tissue samples were obtained from patients undergoing elective surgical procedure, and samples of amniotic membrane were collected immediately after caesarean operation...
January 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28289331/screening-of-breast-cancer-stem-cell-inhibitors-using-a-protein-kinase-inhibitor-library
#12
Hack Sun Choi, Dal-Ah Kim, Heesung Chung, In Ho Park, Bo Hye Kim, Eok-Soo Oh, Duk-Hee Kang
BACKGROUND: Cancer stem cells (CSCs), a subpopulation in tumors, are known to cause drug resistance, tumor recurrence and metastasis. Based on the characteristic formation of mammospheres in in vitro conditions, the mammosphere formation assay has become an essential tool for quantifying CSC activity in breast cancer research. However, manual counting of mammospheres is a time-consuming process that is not amenable to high-throughput screening, and there are occasional inaccuracies in the process of determining the mammosphere diameter...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28289330/the-heterogeneity-of-cancer-stem-like-cells-at-the-invasive-front
#13
Go J Yoshida
Cancer stem-like cells exhibit the multi-functional roles to survive and persist for a long period in the minimal residual disease after the conventional anti-cancer treatments. Cancer stem-like cells of solid malignant tumors which highly express CD44v8-10, the variant isoform of CD44 generated by alternative splicing, has a resistance to redox stress by the robust production of glutathione mediated by ESRP1-CD44v-xCT (cystine/glutamate antiporter) axis. It has been reported that CD44v and c-Myc tend to show the inversed expression pattern at the invasive front of the aggressive tumors...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28288894/endogenous-inspired-biomineral-installed-hyaluronan-nanoparticles-as-ph-responsive-carrier-of-methotrexate-for-rheumatoid-arthritis
#14
Md Mahmudul Alam, Hwa Seung Han, Shijin Sung, Jin Hee Kang, Keum Hee Sa, Hasan Al Faruque, Jungwan Hong, Eon Jeong Nam, In San Kim, Jae Hyung Park, Young Mo Kang
Methotrexate (MTX), an anchor drug for rheumatoid arthritis (RA), has been suffered from refractoriness and high toxicity limiting effective dosage. To mitigate these challenges, the ability to selectively deliver MTX to arthritis tissue is a much sought-after modality for the treatment of RA. In this study, we prepared mineralized nanoparticles (MP-HANPs), composed of PEGylated hyaluronic acid (P-HA) as the hydrophilic shell, 5β-cholanic acid as the hydrophobic core, and calcium phosphate (CaP) as the pH-responsive mineral...
March 11, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28287265/glycoproteins-in-claudin-low-breast-cancer-cell-lines-have-a-unique-expression-profile
#15
Ten-Yang Yen, Spencer Bowen, Roger Yen, Alexandra Piryatinska, Bruce A Macher, Leslie C Timpe
Claudin proteins are components of epithelial tight junctions; a subtype of breast cancer has been defined by the reduced expression of mRNA for claudins and other genes. Here we characterize the expression of glycoproteins in breast cell lines for the claudin-low subtype using liquid chromatography/tandem mass spectrometry. Unsupervised clustering techniques reveal a group of claudin-low cell lines that is distinct from non-malignant, basal and luminal lines. The claudin-low cell lines express F11R, EPCAM and other proteins at very low levels, while CD44 is expressed at a high level...
March 13, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28286162/gli1-expression-in-cancer-stem-like-cells-predicts-poor-prognosis-in-patients-with-lung-squamous-cell-carcinoma
#16
Yan Cui, Chun-Ai Cui, Zhao-Ting Yang, Wei-Dong Ni, Yu Jin, Yan-Hua Xuan
PURPOSE: Glioma-associated oncogene homolog 1 (Gli1) is involved in cancer stem cell (CSC) maintenance in various tumors; however, its expression and clinical significance in lung squamous cell carcinoma (LSCC) has not been reported. In this study, we aimed to reveal the clinical significance of Gli1 in LSCC and investigate the potential of Gli1 as a CSC marker by comparing its expression with that of other stemness-related genes in LSCC. METHODS: We assessed the expressions of Gli1, LSD1, CD44, Sox9 and Sox2 by immunohistochemistry in the tissue specimens obtained from 101 patients with LSCC...
March 9, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28284665/cryopreservation-and-multipotential-characteristics-evaluation-of-a-novel-type-of-mesenchymal-stem-cells-derived-from-small-tailed-han-sheep-fetal-lung-tissue
#17
Caiyun Ma, Changqing Liu, Xiangchen Li, Taofeng Lu, Chunyu Bai, Yanan Fan, Weijun Guan, Yu Guo
Lung mesenchymal stem cells (L-MSCs) characterized by plasticity, reduced relative immune privilege and high anti-fibrosis characteristics play the crucial role in lung tissue regenerative processes. However, up to date, the multi-differentiation potentials and application values of L-MSCs are still uncertain. In the current study, the Small Tailed Han Sheep embryo L-MSCs line from 12 samples, stocking 124 cryogenically-preserved vials, was successfully established by using primary culture and cell cryopreservation techniques...
March 8, 2017: Cryobiology
https://www.readbyqxmd.com/read/28284008/effective-and-persistent-antitumor-activity-of-her2-directed-car-t-cells-against-gastric-cancer-cells-in-vitro-and-xenotransplanted-tumors-in-vivo
#18
Yanjing Song, Chuan Tong, Yao Wang, Yunhe Gao, Hanren Dai, Yelei Guo, Xudong Zhao, Yi Wang, Zizheng Wang, Weidong Han, Lin Chen
Human epidermal growth factor receptor 2 (HER2) proteins are overexpressed in a high proportion of gastric cancer (GC) cases and affect the maintenance of cancer stem cell (CSC) subpopulations, which are used as targets for the clinical treatment of patients with HER2-positive GC. Despite improvements in survival, numerous HER2-positive patients fail treatment with trastuzumab, highlighting the need for more effective therapies. In this study, we generated a novel type of genetically modified human T cells, expressing a chimeric antigen receptor (CAR), and targeting the GC cell antigen HER2, which harbors the CD137 and CD3ζ moieties...
March 10, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28279922/biomaterial-enabled-delivery-of-sdf-1%C3%AE-at-the-ventral-side-of-breast-cancer-cells-reveals-a-crosstalk-between-cell-receptors-to-promote-the-invasive-phenotype
#19
Xi Qiu Liu, Laure Fourel, Fabien Dalonneau, Rabia Sadir, Salome Leal, Hugues Lortat-Jacob, Marianne Weidenhaupt, Corinne Albiges-Rizo, Catherine Picart
The SDF-1α chemokine (CXCL12) is a potent bioactive chemoattractant known to be involved in hematopoietic stem cell homing and cancer progression. The associated SDF-1α/CXCR4 receptor signaling is a hallmark of aggressive tumors, which can metastasize to distant sites such as lymph nodes, lung and bone. Here, we engineered a biomimetic tumoral niche made of a thin and soft polyelectrolyte film that can retain SDF-1α to present it, in a spatially-controlled manner, at the ventral side of the breast cancer cells...
February 27, 2017: Biomaterials
https://www.readbyqxmd.com/read/28279210/computational-analysis-of-the-mesenchymal-signature-landscape-in-gliomas
#20
Orieta Celiku, Anita Tandle, Joon-Yong Chung, Stephen M Hewitt, Kevin Camphausen, Uma Shankavaram
BACKGROUND: Epithelial to mesenchymal transition, and mimicking processes, contribute to cancer invasion and metastasis, and are known to be responsible for resistance to various therapeutic agents in many cancers. While a number of studies have proposed molecular signatures that characterize the spectrum of such transition, more work is needed to understand how the mesenchymal signature (MS) is regulated in non-epithelial cancers like gliomas, to identify markers with the most prognostic significance, and potential for therapeutic targeting...
March 9, 2017: BMC Medical Genomics
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