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pancreas cancer stem cell

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https://www.readbyqxmd.com/read/28445362/effect-of-human-fat-graft-on-breast-cancer-metastasis-in-a-murine-model
#1
Roberto Moltó-García, Virina González-Alonso, María Eloísa Villaverde-Doménech, Edurne Novella-Maestre
BACKGROUND: Isolated adipose stem cells have been reported to encourage migration and early metastasis of breast cancer. Mimicking a surgical situation, the authors developed a human breast cancer model to evaluate in vivo whether human adipose tissue promotes tumor growth and invasion. METHODS: Human adipose tissue was obtained from four patients. The MDA-MB-468 cell line was cultured with a lentiviral vector encoding a puromycin resistance gene and mCherry fluorescent protein...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28385600/mesenchymal-stem-cells-and-differentiated-insulin-producing-cells-are-new-horizons-for-pancreatic-regeneration-in-type-i-diabetes-mellitus
#2
Ayat M Domouky, Ashraf S Hegab, Amal Al-Shahat, Nermin Raafat
BACKGROUND: Diabetes mellitus has become the third human killer following cancer and cardiovascular disease. Millions of patients, often children, suffer from type 1 diabetes (T1D). Stem cells created hopes to regenerate damaged body tissues and restore their function. AIM: This work aimed at clarifying and comparing the therapeutic potential of differentiated and non-differentiated mesenchymal stem cells (MSCs) as a new line of therapy for T1D. METHODS: 40 Female albino rats divided into group I (control): 10 rats and group II (diabetic), III and IV, 10 rats in each, were injected with streptozotocin (50mg/kg body weight)...
April 3, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28335793/thrombus-leukocytes-exhibit-more-endothelial-cell-specific-angiogenic-markers-than-peripheral-blood-leukocytes-do-in-acute-coronary-syndrome-patients-suggesting-a-possibility-of-trans-differentiation-a-comprehensive-database-mining-study
#3
Hangfei Fu, Nish Vadalia, Eric R Xue, Candice Johnson, Luqiao Wang, William Y Yang, Claudette Sanchez, Jun Nelson, Qian Chen, Eric T Choi, Jian-Xing Ma, Jun Yu, Hong Wang, Xiaofeng Yang
BACKGROUND: Current angiogenic therapies for cancers and cardiovascular diseases have not yet achieved expected benefits, which reflects the need for improved understanding of angiogenesis. In this study, we focused on solving the problem of whether tissues have different angiogenic potentials (APs) in physiological conditions and how angiogenesis is regulated in various disease conditions. METHODS: In healthy and diseased human and mouse tissues, we profiled the expression of 163 angiogenic genes, including transcription regulators (TRs), growth factors and receptors (GF/Rs), cytokines and chemokines (C/Cs), and proteases and inhibitors (P/Is)...
March 23, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28248881/a-case-of-mixed-adenoneuroendocrine-carcinoma-of-the-pancreas-immunohistochemical-analysis-for-histogenesis
#4
Masaru Murata, Hidekazu Takahashi, Moyuru Yamada, Misa Song, Masahiro Hiratsuka
RATIONALE: Tumors with multiple histological features, such as adenocarcinomas and neuroendocrine carcinomas, were included as a new category of neuroendocrine carcinomas in the 2010 World Health Organization classification. We recently experienced a rare case of a pancreatic carcinoma with both adenocarcinoma and neuroendocrine carcinoma components, a so-called mixed adenoneuroendocrine carcinoma. PATIENT CONCERNS AND DIAGNOSIS: A 66-year-old man was referred to our hospital with obstructive jaundice...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28201969/vitamin-d-and-cancer-stem-cells-in-the-gastrointestinal-tract
#5
Ming-Xing Li, Long-Fei Li, Lin Zhang, Zan-Gang Xiao, Jing Shen, Wei Hu, Qiang Zeng, Chi-Hin Cho
Vitamin D has been widely used as a dietary supplement for the prevention and treatment of bone disorders. Epidemiological and preclinical studies demonstrated the anticancer action of vitamin D in a variety of cancers including those in the gastrointestinal (GI) tract. In these studies the inhibitory action of vitamin D on cancer stem cells (CSCs) has been a focus and is also an important subject to revolutionize the therapeutic potential of vitamin D on cancer treatment. Here, we summarize the involvement of CSC markers and factors and also their signaling pathways in the development of cancers in the esophagus, stomach, colon, pancreas and also liver...
February 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28161480/multifunctionalized-iron-oxide-nanoparticles-for-selective-targeting-of-pancreatic-cancer-cells
#6
Sara Trabulo, Antonio Aires, Alexandra Aicher, Christopher Heeschen, Aitziber L Cortajarena
Nanomedicine nowadays offers novel solutions in cancer therapy by introducing multimodal treatments in one single formulation. In addition, nanoparticles act as nanocarriers changing the solubility, biodistribution and efficiency of the therapeutic molecules, thus generating more efficient treatments and reducing their side effects. To apply these novel therapeutic approaches, efforts are focused on the multi-functionalization of the nanoparticles and will open up new avenues to advanced combinational therapies...
February 1, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28158262/uncovering-stem-cell-differentiation-factors-for-salivary-gland-regeneration-by-quantitative-analysis-of-differential-proteomes
#7
Yun-Jong Park, Jin Koh, Jin Teak Kwon, Yong-Seok Park, Lijun Yang, Seunghee Cha
Severe xerostomia (dry mouth) compromises the quality of life in patients with Sjögren's syndrome or radiation therapy for head and neck cancer. A clinical management of xerostomia is often unsatisfactory as most interventions are palliative with limited efficacy. Following up our previous study demonstrating that mouse BM-MSCs are capable of differentiating into salivary epithelial cells in a co-culture system, we further explored the molecular basis that governs the MSC reprogramming by utilizing high-throughput iTRAQ-2D-LC-MS/MS-based proteomics...
2017: PloS One
https://www.readbyqxmd.com/read/28137273/quercetin-induced-mir-200b-3p-regulates-the-mode-of-self-renewing-divisions-in-pancreatic-cancer
#8
Clifford C Nwaeburu, Alia Abukiwan, Zhefu Zhao, Ingrid Herr
BACKGROUND: Cancer stem cells are suggested to contribute to the extremely poor prognosis of pancreatic ductal adenocarcinoma and dysregulation of symmetric and asymmetric stem cell division may be involved. Anticancer benefits of phytochemicals like the polyphenol quercetin, present in many fruits, nuts and vegetables, could be expedited by microRNAs, which orchestrate cell-fate decisions and tissue homeostasis. The mechanisms regulating the division mode of cancer stem cells in relation to phytochemical-induced microRNAs are poorly understood...
January 31, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/27956115/future-perspectives-in-adult-stem-cell-turnover-implications-for-endocrine-physiology-and-disease
#9
EDITORIAL
Clara V Alvarez, Fernando Oroz-Gonjar, Montserrat Garcia-Lavandeira
No abstract text is available yet for this article.
April 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27941872/er-stress-protein-agr2-precedes-and-is-involved-in-the-regulation-of-pancreatic-cancer-initiation
#10
L Dumartin, W Alrawashdeh, S M Trabulo, T P Radon, K Steiger, R M Feakins, M P di Magliano, C Heeschen, I Esposito, N R Lemoine, T Crnogorac-Jurcevic
The mechanisms of initiation of pancreatic ductal adenocarcinoma (PDAC) are still largely unknown. In the present study, we analysed the role of anterior gradient-2 (AGR2) in the earliest stages of pancreatic neoplasia. Immunohistochemical analysis of chronic pancreatitis (CP) and peritumoral areas in PDAC tissues showed that AGR2 was present in tubular complexes (TC) and early pancreatic intraepithelial neoplasia (PanINs). Moreover, AGR2 was also found in discrete subpopulations of non-transformed cells neighbouring these pre-neoplastic lesions...
December 12, 2016: Oncogene
https://www.readbyqxmd.com/read/27891292/cancer-stem-cells-cellular-plasticity-niche-and-its-clinical-relevance
#11
Gina Lee, Robert R Hall, Atique U Ahmed
Cancer handles an estimated 7.6 million deaths worldwide per annum. A recent theory focuses on the role Cancer Stem Cells (CSCs) in driving tumorigenesis and disease progression. This theory hypothesizes that a population of the tumor cell with similar functional and phenotypic characteristics as normal tissue stem cells are responsible for formation and advancement of many human cancers. The CSCs subpopulation can differentiate into non-CSC tumor cells and promote phenotypic and functional heterogeneity within the tumor...
October 2016: Journal of Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27694285/apsa-awardee-submission-tumor-cancer-stem-cell-marker-doublecortin-like-kinase-1-in-liver-diseases
#12
Charles B Nguyen, Courtney W Houchen, Naushad Ali
Liver diseases are the fourth leading cause of mortality among adults in the United States. Patients with chronic liver diseases such as viral hepatitis, fibrosis, and cirrhosis have significantly higher risks of developing hepatocellular carcinoma (HCC). With a dismal five-year survival rate of 11%, HCC is the third most common cause of cancer-related deaths worldwide. Regardless of the underlying cause, late presentation and a lack of effective therapy are the major impediments for successful treatment of HCC...
February 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27623870/caveolin-1-a-novel-prognostic-biomarker-of-radioresistance-in-cancer
#13
Javed Mahmood, Sarthak R Zaveri, Stephanie C Murti, Allen A Alexander, Caroline Q Connors, Hem D Shukla, Zeljko Vujaskovic
PURPOSE: Caveolin-1 is a membrane protein highly expressed in many tumors and plays an important role in tumor progression and metastasis. This review describes the structure of the Caveolin-1 protein and its pre-clinical and clinical significance, demonstrating that Caveolin-1 is a novel biomarker for radioresistance which has the promising potential to improve the clinical outcome of cancer patients undergoing radiation treatment. SUMMARY: Targeted radiation therapy has shown immense benefits for cancer treatment...
December 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27575869/cancer-stem-cells-in-human-gastrointestinal-cancer
#14
REVIEW
Hiroaki Taniguchi, Chiharu Moriya, Hisayoshi Igarashi, Anri Saitoh, Hiroyuki Yamamoto, Yasushi Adachi, Kohzoh Imai
Cancer stem cells (CSCs) are thought to be responsible for tumor initiation, drug and radiation resistance, invasive growth, metastasis, and tumor relapse, which are the main causes of cancer-related deaths. Gastrointestinal cancers are the most common malignancies and still the most frequent cause of cancer-related mortality worldwide. Because gastrointestinal CSCs are also thought to be resistant to conventional therapies, an effective and novel cancer treatment is imperative. The first reported CSCs in a gastrointestinal tumor were found in colorectal cancer in 2007...
November 2016: Cancer Science
https://www.readbyqxmd.com/read/27471566/cancer-of-the-pancreas-molecular-pathways-and-current-advancement-in-treatment
#15
REVIEW
Kishore Polireddy, Qi Chen
Pancreatic cancer is one of the most lethal cancers among all malignances, with a median overall survival of <1 year and a 5-year survival of ~5%. The dismal survival rate and prognosis are likely due to lack of early diagnosis, fulminant disease course, high metastasis rate, and disappointing treatment outcome. Pancreatic cancers harbor a variety of genetic alternations that render it difficult to treat even with targeted therapy. Recent studies revealed that pancreatic cancers are highly enriched with a cancer stem cell (CSC) population, which is resistant to chemotherapeutic drugs, and therefore escapes chemotherapy and promotes tumor recurrence...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27253410/continuous-exposure-of-pancreatic-cancer-cells-to-dietary-bioactive-agents-does-not-induce-drug-resistance-unlike-chemotherapy
#16
P Fan, Y Zhang, L Liu, Z Zhao, Y Yin, X Xiao, N Bauer, J Gladkich, J Mattern, C Gao, P Schemmer, W Gross, I Herr
The repeated treatment of cancer cells with chemo- or radiotherapy induces therapy resistance, but it was previously unknown whether the same effect occurs upon continuous exposure of cancer cells to diet-derived chemopreventive agents. We elucidated this interesting question in pancreatic ductal adenocarcinoma, which is a highly aggressive cancer entity with a marked resistance toward gemcitabine and other cytotoxic drugs. The isothiocyanate sulforaphane, present in cruciferous vegetables, and the polyphenol quercetin, present in many fruits and vegetables induced apoptosis and reduced viability in gemcitabine-sensitive BxPC-3 cells but not in non-malignant ductal pancreas cells and mesenchymal stromal cells...
June 2, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27241638/stem-cells-to-replace-or-regenerate-the-diabetic-pancreas-huge-potential-existing-hurdles
#17
REVIEW
Deepa Bhartiya
Various stem cell sources are being explored to treat diabetes since the proof-of-concept for cell therapy was laid down by transplanting cadaveric islets as a part of Edmonton protocol in 2000. Human embryonic stem (hES) cells derived pancreatic progenitors have got US-FDA approval to be used in clinical trials to treat type 1 diabetes mellitus (T1DM). However, these progenitors more closely resemble their foetal counterparts and thus whether they will provide long-term regeneration of adult human pancreas remains to be demonstrated...
March 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/27229723/difluorinated-curcumin-a-promising-curcumin-analogue-with-improved-anti-tumor-activity-and-pharmacokinetic-profile
#18
REVIEW
Amir Abbas Momtazi, Amirhossein Sahebkar
BACKGROUND: Curcumin, a polyphenol from turmeric, is a dietary phytochemical with a diversity of health benefits including strong anti-tumor effects. Curcumin undergoes a rapid metabolism resulting in a low oral bioavailability. 3, 4-difluorobenzylidene curcumin or (CDF) is a novel fluorinated curcumin analogue which has been shown to be about 3 times more bioavailable than curcumin. This review aimed to summarize the findings of studies related to pharmacokinetic and pharmacological characteristics of CDF...
2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27207778/lgr5-targeted-antibody-drug-conjugate-eradicates-gastrointestinal-tumors-and-prevents-recurrence
#19
Xing Gong, Ali Azhdarinia, Sukhen C Ghosh, Wei Xiong, Zhiqiang An, Qingyun Liu, Kendra S Carmon
Gastrointestinal cancer is one of the leading causes of cancer-related mortality in men and women worldwide. The adult stem cell marker LGR5 (leucine-rich repeat-containing, G protein-coupled receptor 5) is highly expressed in a significant fraction of gastrointestinal tumors of the colon, liver, pancreas, and stomach, relative to normal tissues. LGR5 is located on the cell surface and undergoes rapid, constitutive internalization independent of ligand. Furthermore, LGR5-high cancer cells have been shown to exhibit the properties of tumor-initiating cells or cancer stem cells (CSC)...
July 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27196525/preventable-incidence-and-mortality-of-carcinoma-associated-with-lifestyle-factors-among-white-adults-in-the-united-states
#20
Mingyang Song, Edward Giovannucci
IMPORTANCE: Lifestyle factors are important for cancer development. However, a recent study has been interpreted to suggest that random mutations during stem cell divisions are the major contributor to human cancer. OBJECTIVE: To estimate the proportion of cases and deaths of carcinoma (all cancers except skin, brain, lymphatic, hematologic, and nonfatal prostate malignancies) among whites in the United States that can be potentially prevented by lifestyle modification...
September 1, 2016: JAMA Oncology
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