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https://www.readbyqxmd.com/read/28231331/mesenchymal-stromal-cells-mscs-induce-ex-vivo-proliferation-and-erythroid-commitment-of-cord-blood-haematopoietic-stem-cells-cb-cd34-cells
#1
Simone Perucca, Andrea Di Palma, Pier Paolo Piccaluga, Claudia Gemelli, Elisa Zoratti, Giulio Bassi, Edoardo Giacopuzzi, Andrea Lojacono, Giuseppe Borsani, Enrico Tagliafico, Maria Teresa Scupoli, Simona Bernardi, Camilla Zanaglio, Federica Cattina, Valeria Cancelli, Michele Malagola, Mauro Krampera, Mirella Marini, Camillo Almici, Sergio Ferrari, Domenico Russo
A human bone marrow-derived mesenchymal stromal cell (MSCs) and cord blood-derived CD34+ stem cell co-culture system was set up in order to evaluate the proliferative and differentiative effects induced by MSCs on CD34+ stem cells, and the reciprocal influences on gene expression profiles. After 10 days of co-culture, non-adherent (SN-fraction) and adherent (AD-fraction) CD34+ stem cells were collected and analysed separately. In the presence of MSCs, a significant increase in CD34+ cell number was observed (fold increase = 14...
2017: PloS One
https://www.readbyqxmd.com/read/28230988/design-and-synthesis-of-novel-cyclic-amine-benzimidazoles-for-the-treatment-of-pancreatic-cancer
#2
Vibha Pathak, Corinne Elizabeth Augelli-Szafran, Han-Xun Wei, Yonghe Li, Patsy G Oliver, Wenyan Lu, Donald J Buchsbaum, Mark J Suto
Wnt/beta-Catenin signaling pathway has a very important role in pancreatic ductal adenocarcinoma (PDAC) initiation and progression. This signaling pathway has been implicated in angiogenesis, maintenance of resistant CICs (cancer-initiating cells), metastasis, regulation of cell cycle, apoptosis and chemoresistance. We investigated the activity of a chemical series of phenyl benzimidazoles, small molecule inhibitors of Wnt signaling in LRP6-expressing HEK 293 cells against PDAC cells. Several benzimidazoles were designed, synthesized and screened under adherent and CIC conditions...
February 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28230931/spatially-assembled-bilayer-cell-sheets-of-stem-cells-and-endothelial-cells-using-thermosensitive-hydrogels-for-therapeutic-angiogenesis
#3
Indong Jun, Taufiq Ahmad, Seongwoo Bak, Joong-Yup Lee, Eun Mi Kim, Jinkyu Lee, Yu Bin Lee, Hongsoo Jeong, Hojeong Jeon, Heungsoo Shin
Although the coculture of multiple cell types has been widely employed in regenerative medicine, in vivo transplantation of cocultured cells while maintaining the hierarchical structure remains challenging. Here, a spatially assembled bilayer cell sheet of human mesenchymal stem cells and human umbilical vein endothelial cells on a thermally expandable hydrogel containing fibronectin is prepared and its effect on in vitro proangiogenic functions and in vivo ischemic injury is investigated. The expansion of hydrogels in response to a temperature change from 37 to 4 °C allows rapid harvest and delivery of the bilayer cell sheet to two different targets (an in vitro model glass surface and in vivo tissue)...
February 23, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28230260/elevation-of-sharpin-protein-levels-in-prostate-adenocarcinomas-promotes-metastasis-and-impairs-patient-survivals
#4
Hai Huang, Tao Du, Yiming Zhang, Yiming Lai, Kaiwen Li, Xinxing Fan, Dingjun Zhu, Tianxin Lin, Kewei Xu, Jian Huang, Leyuan Liu, Zhenghui Guo
BACKGROUND: SHARPIN, SHANK-associated RH domain interacting protein, associates with a linear ubiquitin chain assembly complex (LUBAC) to regulate inflammation and immunity. It has been reported that SHARPIN is highly expressed in several human tumors including ovarian cancer and liver cancer. We found that SHARPIN is also highly expressed in prostate cancer cell lines of DU145, LNCAP, and PC-3. Suppression of SHARPIN caused an inhibition of NF-κB signal and decreases in tumorigenesis of cultured cells in NOD/SCID mouse model...
February 23, 2017: Prostate
https://www.readbyqxmd.com/read/28230206/mirna-21-mediates-the-antiangiogenic-activity-of-metformin-through-targeting-pten-and-smad7-expression-and-pi3k-akt-pathway
#5
Mao Luo, Xiaoyong Tan, Lin Mu, Yulin Luo, Rong Li, Xin Deng, Ni Chen, Meiping Ren, Yongjie Li, Liqun Wang, Jianbo Wu, Qin Wan
Metformin, an anti-diabetic drug commonly used for type 2 diabetes therapy, is associated with anti-angiogenic effects in conditions beyond diabetes. miR-21 has been reported to be involved in the process of angiogenesis. However, the precise regulatory mechanisms by which the metformin-induced endothelial suppression and its effects on miR-21-dependent pathways are still unclear. Bioinformatic analysis and identification of miR-21 and its targets and their effects on metformin-induced antiangiogenic activity were assessed using luciferase assays, quantitative real-time PCR, western blots, scratch assays, CCK-8 assays and tubule formation assays...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230059/synergistic-effects-of-dimethyloxallyl-glycine-and-recombinant-human-bone-morphogenetic-protein-2-on-repair-of-critical-sized-bone-defects-in-rats
#6
Xin Qi, Yang Liu, Zhen-Yu Ding, Jia-Qing Cao, Jing-Huan Huang, Jie-Yuan Zhang, Wei-Tao Jia, Jing Wang, Chang-Sheng Liu, Xiao-Lin Li
In bone remodeling, osteogenesis is closely coupled to angiogenesis. Bone tissue engineering using multifunctional bioactive materials is a promising technique which has the ability to simultaneously stimulate osteogenesis and angiogenesis for repair of bone defects. We developed mesoporous bioactive glass (MBG)-doped poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) composite scaffolds as delivery vehicle. Two bioactive molecules, dimethyloxalylglycine (DMOG), a small-molecule angiogenic drug, and recombinant human bone morphogenetic protein-2 (rhBMP-2), an osteoinductive growth factor, were co-incorporated into the scaffold...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229426/assessment-of-mirna-regulation-of-endothelial-progenitor-cell-mediated-angiogenesis
#7
Darukeshwara Joladarashi, Prasanna Krishnamurthy
Organ outgrowth, embryonic development, wound healing, and many such processes require the process of angiogenesis, whereby new blood vessels are developed from the preexisting vessels. microRNAs (miRs) are 18-24 nucleotide-containing endogenous RNAs that, via a posttranscriptional mechanism, exert substantial gene regulatory effects. It was discovered by recent advances that, through direct targeting of certain critical secretory factors and transcription factors, miRs exert potent angiogenic control in a cell autonomous and non-cell autonomous manner...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229276/effects-of-chlorella-vulgaris-on-tumor-growth-in-mammary-tumor-bearing-balb-c-mice-discussing-association-of-an-immune-suppressed-protumor-microenvironment-with-serum-ifn%C3%AE-and-igg-decrease-and-spleen-igg-potentiation
#8
Ahad Khalilnezhad, Elham Mahmoudian, Nariman Mosaffa, Ali Anissian, Mohsen Rashidi, Davar Amani
PURPOSE: Chlorella vulgaris (CV) has exhibited immune-enhancing and protective activities against cancer and infections. However, there is an increasing concern about the use of Chlorella species in human, regarding its various molecules with antigenic features found in infectious microorganisms. Our goal was to investigate the impact of higher concentrations of CV on tumor growth in spontaneous mouse mammary tumor (SMMT) models. METHODS: Balb/c mice were daily given CV powder at doses of 0, 200, or 300 mg/kg for 42 days (CONTROL, CV200, and CV300 groups, respectively; n = 6/group)...
February 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28228933/vascularization-and-innervation-of-slits-within-polydimethylsiloxane-sheets-in-the-subcutaneous-space-of-athymic-nude-mice
#9
Rachel E Gurlin, Mark T Keating, Shiri Li, Jonathan Rt Lakey, Sébastien de Feraudy, Bhupinder S Shergill, Elliot L Botvinick
Success of cell therapy in avascular sites will depend on providing sufficient blood supply to transplanted tissues. A popular strategy of providing blood supply is to embed cells within a functionalized hydrogel implanted within the host to stimulate neovascularization. However, hydrogel systems are not always amenable for removal post-transplantation; thus, it may be advantageous to implant a device that contains cells while also providing access to the circulation so retrieval is possible. Here we investigate one instance of providing access to a vessel network, a thin sheet with through-cut slits, and determine if it can be vascularized from autologous materials...
January 2017: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/28228842/worldwide-malaria-incidence-and-cancer-mortality-are-inversely-associated
#10
Li Qin, Changzhong Chen, Lili Chen, Ran Xue, Ming Ou-Yang, Chengzhi Zhou, Siting Zhao, Zhengxiang He, Yu Xia, Jianxing He, Pinghua Liu, Nanshan Zhong, Xiaoping Chen
BACKGROUND: Investigations on the effects of malaria infection on cancer mortality are limited except for the incidence of Burkitt's lymphoma (BL) in African children. Our previous murine lung cancer model study demonstrated that malaria infection significantly inhibited tumor growth and prolonged the life span of tumor-bearing mice. This study aims to assess the possible associations between malaria incidence and human cancer mortality. METHODS: We compiled data on worldwide malaria incidence and age-standardized mortality related to 30 types of cancer in 56 countries for the period 1955-2008, and analyzed their longitudinal correlations by a generalized additive mixed model (GAMM), adjusted for a nonlinear year effect and potential confounders such as country's income levels, life expectancies and geographical locations...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28228156/erratum-to-the-role-of-the-amop-domain-in-muc4-y-promoted-tumour-angiogenesis-and-metastasis-in-pancreatic-cancer
#11
Jie Tang, Yi Zhu, Kunling Xie, Xiaoyu Zhang, Xiaofei Zhi, Weizhi Wang, Zheng Li, Qun Zhang, Linjun Wang, Jiwei Wang, Zekuan Xu
No abstract text is available yet for this article.
February 22, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28226374/adjuncts-to-improve-nasal-reconstruction-results
#12
Shayna Lee Gordon, Eva A Hurst
The final cosmetic appearance of nasal reconstruction scars is of paramount importance to both the patient and surgeon. Ideal postreconstruction nasal scars are flat and indistinguishable from surrounding skin. Unfortunately, even with meticulous surgical execution, nasal scars can occasionally be suboptimal. Abnormal fibroblast response can lead to hypertrophic nasal scars, and excessive angiogenesis may lead to telangiectasias or an erythematous scar. Imperfect surgical closure or poor postoperative management can lead to surgical outcomes with step-offs, depressions, suture marks, or dyspigmentation...
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28226338/opioids-inhibit-angiogenesis-in-a-chorioallantoic-membrane-model
#13
Haktan Karaman, Adnan Tufek, Evren Karaman, Orhan Tokgoz
BACKGROUND: Angiogenesis is an important characteristic of cancer. Switching from the avascular phase to the vascular phase is a necessary process for tumor growth. Therefore, research in cancer treatment has focused on angiogenesis as a drug target. Despite the widespread use of opioids to treat pain in patients with cancer, little is known about the effect of these drugs on vascular endothelium and angiogenesis. OBJECTIVES: We aimed to investigate the efficacies of morphine, codeine, and tramadol in 3 different concentrations on angiogenesis in hens' eggs...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28225457/rhoa-rock-pathway-inhibition-by-fasudil-suppresses-the-vasculogenic-mimicry-of-u2os-osteosarcoma-cells-in-vitro
#14
Yun Xia, Xianyi Cai, Jiquan Fan, Liling Zhang, Zhenyu Li, Jinghua Ren, Gang Wu, Fang Zhu
GTPase RhoA and its downstream Rho-associated coiled-coil-containing protein kinases (ROCKs) are frequently overexpressed in human cancers. Inhibition of the RhoA/ROCK pathway blocks angiogenesis mediated by the vascular endothelial growth factor, which led us to investigate the role of this pathway in vasculogenic mimicry (VM) - a process by which aggressive cancer cells form vessel-like structures that provide adequate blood supply for tumor growth. We showed that the expression of RhoA and its effector kinases ROCK1/2 was much higher in human osteosarcoma (OS) tissues and the human OS cell line U2OS than in nontumorous tissues and cell line hFOB 1...
February 20, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28224951/review-of-article-coadministration-of-adipose-derived-stem-cells-and-control-released-basic-fibroblast-growth-factor-facilitates-angiogenesis-in-a-murine-ischemic-hind-limb-model-by-horikoshi-ishihara-tobita-tajima-et%C3%A2-al-journal-of-vascular-surgery-12-2016
#15
https://www.readbyqxmd.com/read/28224680/aberrant-expressions-of-endometrial-id3-and-ctla-4-are-associated-with-unexplained-repeated-implantation-failure-and-recurrent-miscarriage
#16
Jin-Li Ding, Liang-Hui Diao, Tai-Lang Yin, Chun-Yu Huang, Biao Yin, Cong Chen, Yi Zhang, Jie Li, Yan-Xiang Cheng, Yong Zeng, Jing Yang
Inhibitor of DNA-binding protein 3 (Id3) is required for tumor angiogenesis and regulatory T-cell generation. However, the involvement of Id3 in unexplained repeated implantation failure (RIF) and recurrent miscarriage (RM) remains poorly understood. Immunohistochemistry was used to identify Id3, CD34, CTLA-4, and FOXP3 in the endometrium taken from the women with RIF (n=16), RM (n=16) and matched controls (n=8). The images were acquired and analyzed by the Vectra(®) automated quantitative pathology imaging system...
February 21, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28223935/morus-alba-leaf-lectin-mll-sensitizes-mcf-7-cells-to-anoikis-by-inhibiting-fibronectin-mediated-integrin-fak-signaling-through-ras-and-activation-of-p-38-mapk
#17
Jayaram Saranya, Ganesan Shilpa, Kozhiparambil G Raghu, Sulochana Priya
Lectins are a unique class of carbohydrate binding proteins/glycoproteins, and many of them possess anticancer properties. They can induce cell cycle arrest and apoptosis, inhibit protein synthesis, telomerase activity and angiogenesis in cancer cells. In the present study, we have demonstrated the effect of Morus alba leaf lectin (MLL) on anoikis induction in MCF-7 cells. Anoikis induction in cancer cells has a significant role in preventing early stage metastasis. MLL treatment in monolayers of MCF-7 cells caused significant detachment of cells in a time and concentration dependent manner...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28223694/combination-of-ruthenium-ii-arene-complex-ru-%C3%AE-6-p-cymene-cl2-pta-rapta-c-and-the-epidermal-growth-factor-receptor-inhibitor-erlotinib-results-in-efficient-angiostatic-and-antitumor-activity
#18
Robert H Berndsen, Andrea Weiss, U Kulsoom Abdul, Tse J Wong, Patrick Meraldi, Arjan W Griffioen, Paul J Dyson, Patrycja Nowak-Sliwinska
Ruthenium-based compounds show strong potential as anti-cancer drugs and are being investigated as alternatives to other well-established metal-based chemotherapeutics. The organometallic compound [Ru(η(6)-p-cymene)Cl2(pta)], where pta = 1,3,5-triaza-7-phosphaadamantane (RAPTA-C) exhibits broad acting anti-tumor efficacy with intrinsic angiostatic activity. In the search for an optimal anti-angiogenesis drug combination, we identified synergistic potential between RAPTA-C and the epidermal growth factor receptor (EGFR) inhibitor, erlotinib...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28223311/single-tumor-initiating-cells-evade-immune-clearance-by-recruiting-type-ii-macrophages
#19
Xiaocan Guo, Yang Zhao, Huan Yan, Yingcheng Yang, Shuying Shen, Xiaoming Dai, Xinyan Ji, Fubo Ji, Xing-Guo Gong, Li Li, Xueli Bai, Xin-Hua Feng, Tingbo Liang, Junfang Ji, Lei Chen, Hongyang Wang, Bin Zhao
Tumor infiltrated type II (M2) macrophages promote tumorigenesis by suppressing immune clearance, promoting proliferation, and stimulating angiogenesis. Interestingly, macrophages were also found to enrich in small foci of altered hepatocytes containing liver tumor-initiating cells (TICs). However, whether and how TICs specifically recruit macrophages and the function of these macrophages in tumor initiation remain unknown due to technical difficulties. In this study, by generating genetically defined liver TICs, we demonstrate that TICs actively recruit M2 macrophages from as early as the single-cell stage...
February 21, 2017: Genes & Development
https://www.readbyqxmd.com/read/28223275/vascular-cxcr4-expression-promotes-vessel-sprouting-and-sensitivity-to-sorafenib-treatment-in-hepatocellular-carcinoma
#20
Jing Xu, Jing Liang, Ya-Ming Meng, Jing Yan, Xin-Juan Yu, Chao-Qun Liu, Li Xu, Shi-Mei Zhuang, Limin Zheng
PURPOSE: Chemokine receptor CXCR4 is known to be involved in both developmental and adult angiogenesis; however, its role in tumor angiogenesis remains largely unknown. Here the role of vascular CXCR4 in regulating vascular structure in HCC was assessed and the clinical value of CXCR4 was explored. EXPERIMENTAL DESIGN: The expression of CXCR4 in hepatocellular carcinoma (HCC) was determined by immunohistochemistry and immunofluorescence. Characteristics of CXCR4+ cells were determined by in vitro and mice experiments...
February 21, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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