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https://www.readbyqxmd.com/read/29458212/programmed-drug-delivery-system-based-on-optimized-size-decrease-and-hydrophilicity-hydrophobicity-transformation-for-enhanced-hepatocellular-carcinoma-therapy-of-doxorubicin
#1
Yuanyuan Liu, Lian Li, Lijia Li, Zhou Zhou, Fengling Wang, Xiaofeng Xiong, Rui Zhou, Yuan Huang
Requirements on drug delivery systems to surmount a complex series of pathophysiological barriers bear "cascading contradictions", especially size and hydrophilicity/hydrophobicity contradiction. Herein, a programmed drug delivery system (GNPs-Dox-Lac) based on optimized "size decrease and hydrophilicity/hydrophobicity transformation" was developed by combination the gelatin nanoparticle (GNPs) and prodrug Doxorubicin-Lactose (Dox-Lac). The results showed that GNPs-Dox-Lac (133.3 nm) were kinetically stable in blood circulation and inclined to accumulate at the tumor site...
February 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29458209/dermal-anti-oxidant-anti-inflammatory-and-anti-aging-effects-of-compritol-ato-based-resveratrol-colloidal-carriers-prepared-using-mixed-surfactants
#2
Haidy Abbas, Rabab Kamel, Nesrine El-Sayed
In this study, Compritol ATO-based Resveratrol colloidal carriers (CCCs) were prepared. In most formulae, the use of a binary-mixture of surfactants improved the physicochemical properties. CCC6 (containing P407/P188 as bi-surfactants) attained the highest drug loading, release efficiency during 24 hr and occlusive effect for 48 hr; in addition to, a uniform particle size distribution within the desired range. In-vivo studies were done based on the analysis of anti-oxidant markers [catalase (CAT), reduced glutathione (GSH) and superoxide dismutase (SOD)], anti-inflammatory markers [interleukin 6 (IL-6), interleukin 8 (IL-8) and rat Nuclear factor-kappa B (NF-κB)] and anti-wrinkling markers [matrix metalloproteinase (MMP-1) and Granulocyte-macrophage colony-stimulating factor (GM-CSF)], after UVB-irradiation...
February 16, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29456729/expression-of-matrix-metalloproteinase-7-correlates-with-the-invasion-of-t1-colorectal-carcinoma
#3
Fumihiko Urushibara, Eisuke Shiozawa, Hideyuki Miyachi, Masashi Misawa, Tomonari Cho, Yusuke Takehara, Nana Arai, Toshitaka Funaki, Sakiko Tazawa, Mayumi Homma, Tomoko Norose, Mutsuko Omatsu, Toshiko Yamochi, Toshiaki Kunimura, Genshu Tate, Kazuho Honda, Ishida Fumio, Shin-Ei Kudo, Masafumi Takimoto
T1 colorectal carcinomas (CRCs) are an initial site of metastatic spread. Various risk factors for lymph node metastasis have been investigated in T1 CRCs. However, the major step in the entire process of metastasis remains unclear. In terms of carcinoma invasion and metastasis, matrix metalloproteinases (MMPs) have recently gained increasing attention. Notably, MMP-7 is frequently overexpressed in CRCs, but its implication has not been determined in T1 CRCs yet. The present study aimed to clarify the associations between the pathological risk factors of T1 CRCs and MMP-7...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456674/inflammation-responses-in-patients-with-pulmonary-tuberculosis-in-an-intensive-care-unit
#4
Qiu-Yue Liu, Fen Han, Li-Ping Pan, Hong-Yan Jia, Qi Li, Zong-De Zhang
Pulmonary tuberculosis caused by Mycobacterium tuberculosis remains a global problem. Inflammatory responses are the primary characteristics of patients with pulmonary tuberculosis in intensive care units (ICU). The aim of the present study was to investigate the clinical importance of inflammatory cells and factors for patients with pulmonary tuberculosis in ICU. A total of 124 patients with pulmonary tuberculosis in ICU were recruited for the present study. The inflammatory responses in patients with pulmonary tuberculosis in ICU were examined by changes in inflammatory cells and factors in the serum...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456660/the-role-of-mir-766-5p-in-cell-migration-and-invasion-in-colorectal-cancer
#5
Bin Jia, Lei Xia, Fang Cao
Colorectal cancer (CRC) develops from the colon or rectum and is the fourth highest inducer of cancer mortality. In the present study, cancer tissues and normal tissues were extracted from patients with CRC who were treated in the Affiliated Hospital of Shandong University of Traditional Chinese Medicine (Jinan, China). Reverse transcription-quantitative polymerase chain reaction demonstrated that the expression level of miR-766-5p was significantly higher (P<0.01) in cancer tissue than that in normal tissue...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456135/pericyte-alk5-timp3-axis-contributes-to-endothelial-morphogenesis-in-the-developing-brain
#6
Jui M Dave, Teodelinda Mirabella, Scott D Weatherbee, Daniel M Greif
The murine embryonic blood-brain barrier (BBB) consists of endothelial cells (ECs), pericytes (PCs), and basement membrane. Although PCs are critical for inducing vascular stability, signaling pathways in PCs that regulate EC morphogenesis during BBB development remain unexplored. Herein, we find that murine embryos lacking the transforming growth factor β (TGF-β) receptor activin receptor-like kinase 5 (Alk5) in brain PCs (mutants) develop gross germinal matrix hemorrhage-intraventricular hemorrhage (GMH-IVH)...
February 8, 2018: Developmental Cell
https://www.readbyqxmd.com/read/29455466/the-effects-of-il-33-on-airways-collagen-deposition-and-matrix-metalloproteinase-expression-in-a-murine-surrogate-of-asthma
#7
Gao An, Xin Zhang, Wenjun Wang, Qiong Huang, Yan Li, Shan Shan, Chris J Corrigan, Wei Wang, Sun Ying
It has been suggested that interleukin 33 (IL-33) plays an important role in the pathogenesis of asthma through a variety of pathways, but its role in airways fibrosis in asthma has not been fully elucidated. In the present study we evaluated changes in the expression of extracellular matrix proteins (ECMs) as well as matrix metalloproteinases (MMPs) and their inhibitors (TIMPs) in an IL-33-induced, antigen-independent murine surrogate of asthma as well as a conventional surrogate employing per-nasal challenge of mice previously sensitised to produce an IgE response to ovalbumin (OVA)...
February 18, 2018: Immunology
https://www.readbyqxmd.com/read/29455395/anti-cancer-effect-of-aquaporin-5-silencing-in-colorectal-cancer-cells-in-association-with-inhibition-of-wnt-%C3%AE-catenin-pathway
#8
Wei Wang, Qing Li, Tao Yang, Dongsheng Li, Feng Ding, Hongzhi Sun, Guang Bai
Aquaporin 5 (AQP5) is a water channel protein that is over-expressed in many tumors. Elevated expression of AQP5 is associated with poor prognosis of colorectal cancer. Yet, whether AQP5 plays a role in epithelial-mesenchymal transition (EMT) of colorectal cancer has not been reported until now. Here we aim to investigate the function of AQP5 in the EMT process of colorectal cancer. We transfected HCT116 and SW480 cells with AQP5-specific shRNA and verified the knockdown efficiency through western blotting and real-time PCR...
February 17, 2018: Cytotechnology
https://www.readbyqxmd.com/read/29455303/extracellular-matrix-regulation-of-fibroblast-function-redefining-our-perspective-on-skin-aging
#9
REVIEW
Megan A Cole, Taihao Quan, John J Voorhees, Gary J Fisher
The dermal extracellular matrix (ECM) comprises the bulk of skin and confers strength and resiliency. In young skin, fibroblasts produce and adhere to the dermal ECM, which is composed primarily of type I collagen fibrils. Adherence allows fibroblasts to spread and exert mechanical force on the surrounding ECM. In this state, fibroblasts display a "youthful" phenotype characterized by maintenance of the composition and structural organization of the dermal ECM. During aging, fibroblast-ECM interactions become disrupted due to fragmentation of collagen fibrils...
February 17, 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29454996/apo-10-lycopenoic-acid-inhibits-cancer-cell-migration-and-angiogenesis-and-induces-peroxisome-proliferator-activated-receptor-%C3%AE
#10
Junrui Cheng, Benchun Miao, Kang-Quan Hu, Xueyan Fu, Xiang-Dong Wang
SCOPE: We have previously shown that apo-10'-lycopenoic acid (ALA), a derivative of lycopene through cleavage by carotene-9',10'-oxygenase, inhibits tumor progression and metastasis in both liver and lung cancer animal models. The underlying mechanism remains unknown. We hypothesized that ALA inhibits cancer cell motility and angiogenesis by up-regulating peroxisome proliferator-activated receptor γ (PPARγ) which is involved in controlling angiogenesis, tumor progression and metastasis...
January 31, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29454567/cilostazol-may-decrease-plasma-inflammatory-biomarkers-in-patients-with-recent-small-subcortical-infarcts-a-pilot-study
#11
Naoki Saji, Shigenobu Tone, Kenta Murotani, Yoshiki Yagita, Kazumi Kimura, Takashi Sakurai
BACKGROUND: The mechanism of progressive neurological deficit in patients with recent small subcortical infarcts has not yet been clarified. Inflammatory biomarkers and the use of cilostazol may be associated with this phenomenon. METHODS: Between May 2013 and April 2014, we evaluated consecutive first-ever patients with stroke due to recent small subcortical infarcts within 48 hours of onset. We divided patients into 2 groups according to the use of antiplatelet agents (cilostazol with or without aspirin versus aspirin alone)...
February 14, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29453321/inhibition-of-cd95-cd95l-signaling-with-apg101-prevents-invasion-and-enhances-radiation-therapy-for-glioblastoma
#12
Jonas Blaes, Carina M Thomé, Philipp-Niclas Pfenning, Petra Rübmann, Felix Sahm, Antje Wick, Theresa Bunse, Torsten Schmenger, Jaromir Sykora, Andreas von Deimling, Benedikt Wiestler, Christian Merz, Manfred Jugold, Uwe Haberkorn, Amir Abdollahi, Jürgen Debus, Christian Gieffers, Claudia Kunz, Martin Bendszus, Michael Kluge, Michael Platten, Harald Fricke, Wolfgang Wick, Dieter Lemke
CD95 (Fas/APO-1), a death receptor family member, activity has been linked to tumorigenicity in multiple cancers, including glioblastoma multiforme (GBM). A phase II clinical trial on relapsed glioblastoma patients demonstrated that targeted inhibition of CD95 signaling via the CD95 ligand (CD95L) binding and neutralizing Fc-fusion protein APG101 (asunercept) prolonged patient survival. While CD95 signaling may be relevant for multiple aspects of tumor growth, the mechanism of action of APG101 in glioblastoma is not clear...
February 16, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29453088/serum-matrix-metalloproteinase-8-tissue-inhibitor-of-metalloproteinase-and-myeloperoxidase-in-ischemic-stroke
#13
Frederick Palm, Pirkko J Pussinen, Anton Safer, Taina Tervahartiala, Timo Sorsa, Christian Urbanek, Heiko Becher, Armin J Grau
BACKGROUND AND AIMS: Matrix metalloproteinase (MMP)-8 and myeloperoxidase (MPO) may contribute to cerebral damage in acute ischemic stroke. We tested the hypothesis that levels of MPO, MMP-8 and the ratio between MMP-8 and its regulator, tissue inhibitor of metalloproteinase (TIMP-1), are increased in acute ischemic stroke and its etiologic subgroups and they correlate with stroke severity. METHODS: In a cross-sectional case-control study, serum concentrations of MMP-8, MPO and TIMP-1 were assessed within 24 h after admission in 470 first-ever ischemic stroke patients and 809 age- and sex-matched controls, randomly selected from the population...
February 8, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29452913/photo-immobilized-egf-chemical-gradients-differentially-impact-breast-cancer-cell-invasion-and-drug-response-in-defined-3d-hydrogels
#14
Stephanie A Fisher, Roger Y Tam, Ana Fokina, M Mohsen Mahmoodi, Mark D Distefano, Molly S Shoichet
Breast cancer cell invasion is influenced by growth factor concentration gradients in the tumor microenvironment. However, studying the influence of growth factor gradients on breast cancer cell invasion is challenging due to both the complexities of in vivo models and the difficulties in recapitulating the tumor microenvironment with defined gradients using in vitro models. A defined hyaluronic acid (HA)-based hydrogel crosslinked with matrix metalloproteinase (MMP) cleavable peptides and modified with multiphoton labile nitrodibenzofuran (NDBF) was synthesized to photochemically immobilize epidermal growth factor (EGF) gradients...
February 13, 2018: Biomaterials
https://www.readbyqxmd.com/read/29452577/polymerase-delta-interacting-protein-2-deficiency-protects-against-blood-brain-barrier-permeability-in-the-ischemic-brain
#15
Marina S Hernandes, Bernard Lassègue, Lula L Hilenski, Jonathan Adams, Ning Gao, Chia-Yi Kuan, Yu-Yo Sun, Lihong Cheng, Daniel S Kikuchi, Manuel Yepes, Kathy K Griendling
BACKGROUND: Polymerase δ-interacting protein 2 (Poldip2) is a multifunctional protein that regulates vascular extracellular matrix composition and matrix metalloproteinase (MMP) activity. The blood-brain barrier (BBB) is a dynamic system assembled by endothelial cells, basal lamina, and perivascular astrocytes, raising the possibility that Poldip2 may be involved in maintaining its structure. We investigated the role of Poldip2 in the late BBB permeability induced by cerebral ischemia...
February 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29451718/kiaa0247-inhibits-growth-migration-invasion-of-non-small-cell-lung-cancer-through-regulating-the-notch-pathway
#16
Yitong Xu, Hongjiu Ren, Jun Jiang, Qiongzi Wang, Muli Wudu, Qingfu Zhang, Hongbo Su, Chenglong Wang, Lihong Jiang, Xueshan Qiu
Lung cancer remains the leading cause of cancer-related death worldwide. Previous studies have shown that the novel KIAA0247 gene potentially targeted by the tumor suppressor p53 may inhibit the development of several cancers. However, the exact function of KIAA0247 in non-small-cell lung cancer (NSCLC) is unknown. The purpose of this study was to clarify the role of KIAA0247 in NSCLC. KIAA0247 expression was evaluated in tumors and adjacent normal tissues of 197 NSCLC patients by immunohistochemistry and real-time PCR and analyzed for association with clinicopathological parameters...
February 16, 2018: Cancer Science
https://www.readbyqxmd.com/read/29450424/cd44v6-increases-gastric-cancer-malignant-phenotype-by-modulating-adipose-stromal-cell-mediated-ecm-remodeling
#17
Bianca N Lourenço, Nora L Springer, Daniel Ferreira, Carla Oliveira, Pedro L Granja, Claudia Fischbach
CD44, an abundantly expressed adhesion molecule, and its alternative splice variants have been associated with tumorigenesis and metastasis. In the context of gastric cancer (GC), de novo expression of CD44 variant 6 (CD44v6) is found in more than 60% of GCs, but its role in the pathogenesis and progression of this type of cancer remains unclear. Using a combination of media conditioning experiments and decellularized extracellular matrices (ECMs), this study investigates the hypothesis that CD44v6 overexpression enhances tumor cell malignant behavior by modulating stromal cell-mediated ECM remodeling...
February 16, 2018: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/29450146/novel-proteins-from-proteomic-analysis-of-the-trunk-disease-fungus-lasiodiplodia-theobromae-botryosphaeriaceae
#18
Carla C Uranga, Majid Ghassemian, Rufina Hernández-Martínez
Many basic science questions remain regarding protein functions in the pathogen: host interaction, especially in the trunk disease fungi family, the Botryosphaeriaceae, which are a global problem for economically important plants, especially fruiting trees. Proteomics is a highly useful technology for studying protein expression and for discovering novel proteins in unsequenced and poorly annotated organisms. Current fungal proteomics approaches involve 2D SDS-PAGE and extensive, complex, protein extraction methodologies...
June 2017: Biochimie Open
https://www.readbyqxmd.com/read/29450144/anti-inflammatory-tissue-remodeling-immunomodulatory-and-anticancer-activities-of-oregano-origanum-vulgare-essential-oil-in-a-human-skin-disease-model
#19
Xuesheng Han, Tory L Parker
The use of oregano ( Origanum vulgare ) essential oil (OEO) has become popular in skin care products. However, scientific research regarding its effects on human skin cells is scarce. In this study, we investigated the biological activity of a commercially available OEO, which is high in carvacrol content, in a human skin cell disease model. OEO induced marked antiproliferative effects and significantly inhibited several inflammatory biomarkers, including monocyte chemoattractant protein 1 (MCP-1), vascular cell adhesion molecule 1 (VCAM-1), intracellular cell adhesion molecule 1 (ICAM-1), interferon gamma-induced protein 10 (IP-10), interferon-inducible T-cell alpha chemoattractant (I-TAC), and monokine induced by gamma interferon (MIG)...
June 2017: Biochimie Open
https://www.readbyqxmd.com/read/29450142/arborvitae-thuja-plicata-essential-oil-significantly-inhibited-critical-inflammation-and-tissue-remodeling-related-proteins-and-genes-in-human-dermal-fibroblasts
#20
Xuesheng Han, Tory L Parker
Arborvitae ( Thuja plicata ) essential oil (AEO) is becoming increasingly popular in skincare, although its biological activity in human skin cells has not been investigated. Therefore, we sought to study AEO's effect on 17 important protein biomarkers that are closely related to inflammation and tissue remodeling by using a pre-inflamed human dermal fibroblast culture model. AEO significantly inhibited the expression of vascular cell adhesion molecule 1 (VCAM-1), intracellular cell adhesion molecule 1 (ICAM-1), interferon gamma-induced protein 10 (IP-10), interferon-inducible T-cell chemoattractant (I-TAC), monokine induced by interferon gamma (MIG), and macrophage colony-stimulating factor (M-CSF)...
June 2017: Biochimie Open
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