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https://www.readbyqxmd.com/read/28214071/lipocalin-2-a-master-mediator-of-intestinal-and-metabolic-inflammation
#1
REVIEW
Alexander R Moschen, Timon E Adolph, Romana R Gerner, Verena Wieser, Herbert Tilg
Lipocalin-2 (LCN2), also known as neutrophil gelatinase-associated lipocalin (NGAL), is released by various cell types and is an attractive biomarker of inflammation, ischemia, infection, and kidney damage. Both intestinal and metabolic inflammation, as observed in obesity and related disorders, are associated with increased LCN2 synthesis. While LCN2 in the intestinal tract regulates the composition of the gut microbiota and shows anti-inflammatory activities, it also exhibits proinflammatory activities in other experimental settings...
February 14, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28209630/inhibition-of-phosphodiesterase-4-pde4-reduces-dermal-fibrosis-by-interfering-with-the-release-of-interleukin-6-from-m2-macrophages
#2
Christiane Maier, Andreas Ramming, Christina Bergmann, Rita Weinkam, Nicolai Kittan, Georg Schett, Jörg H W Distler, Christian Beyer
OBJECTIVES: To investigate the disease-modifying effects of phosphodiesterase 4 (PDE4) inhibition in preclinical models of systemic sclerosis (SSc). METHODS: We studied the effects of PDE4 inhibition in a prevention and a treatment model of bleomycin-induced skin fibrosis, in the topoisomerase mouse model as well as in a model of sclerodermatous chronic graft-versus-host disease. To better understand the mode of action of PDE4 blockade in preclinical models of SSc, we investigated fibrosis-relevant mediators in fibroblasts and macrophages from healthy individuals and patients suffering from diffuse-cutaneous SSc on blockade of PDE4...
February 16, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28203075/co-delivery-of-paclitaxel-and-tos-cisplatin-via-tat-targeted-solid-lipid-nanoparticles-with-synergistic-antitumor-activity-against-cervical-cancer
#3
Bo Liu, Li Han, Junyan Liu, Shumei Han, Zhen Chen, Lixi Jiang
BACKGROUND: Cervical cancer is a major world health problem for women. Currently, cancer research focuses on improving therapy for cervical cancer using various treatment options such as co-delivery of chemotherapeutic agents by nanocarriers. PURPOSE: The aim of this study was to develop trans-activating transcriptional activator (TAT)-modified solid lipid nanoparticles (SLNs) for co-delivery of paclitaxel (PTX) and α-tocopherol succinate-cisplatin prodrug (TOS-CDDP) (TAT PTX/TOS-CDDP SLNs) in order to achieve synergistic antitumor activity against cervical cancer...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28202504/expression-profiling-of-circulating-microvesicles-reveals-intercellular-transmission-of-oncogenic-pathways
#4
Gloria Milani, Tobia Lana, Silvia Bresolin, Sanja Aveic, Anna Pasto, Chiara Frasson, Geertruy Te Kronnie
: Circulating microvesicles (MVs) have been described as important players in cell-to-cell communication carrying biological information under normal or pathological condition. MVs released by cancer cells may incorporate diverse biomolecules (e.g. active lipids, proteins and RNA) which can be delivered and internalized by recipient cells, potentially altering gene expression of recipient cells and eventually impacting disease progression. Leukemia in vitro model systems were used to investigate MVs as vehicles of protein-coding messages...
February 15, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28201971/tio2-based-mitoxantrone-imprinted-poly-methacrylic-acid-co-polycaprolctone-diacrylate-nanoparticles-as-a-drug-delivery-system
#5
Maryam Bakhshizadeh, Ameneh Sazgarnia, Mahmoud Seifi, Farzin Hadizadeh, Ghadir Rajabzadeh, Seyed Ahmad Mohajeri
BACKGROUND: Light delivery in photodynamic therapy is a challenging issue in deep cancer treatment. To solve this problem, photosensitizers are conjugated to X-ray luminescent nanoparticles. When the complexes are stimulated by X-rays during radiotherapy, the nanoparticles generate light and activate the photosensitizers. METHODS: Core-shell molecularly imprinted polymers (MIPs) were prepared against mitoxantrone (MX) in which TiO2 nanoparticles were applied as a core, diacrylated polycaprolctone as a biodegradable cross-linker and methacrylic acid (MAA) or 4-vinylpyridin (4-VP) as the functional monomer...
February 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28198453/doxorubicin-loaded-platelets-as-a-smart-drug-delivery-system-an-improved-therapy-for-lymphoma
#6
Peipei Xu, Huaqin Zuo, Bing Chen, Ruju Wang, Arsalan Ahmed, Yong Hu, Jian Ouyang
Chemotherapy is majorly used for the treatment of many cancers, including lymphoma. However, cytotoxic drugs, utilized in chemotherapy, can induce various side effects on normal tissues because of their non-specific distribution in the body. Natural platelets are used as drug carriers because of their biocompatibility and specific targeting to vascular disorders, such as cancer, inflammation, and thrombosis. In this work, doxorubicin (DOX) was loaded in natural platelets for treatment of lymphoma. Results showed that DOX was loaded into platelets with high drug loading and encapsulation efficiency...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28198148/stimuli-responsive-liposomes-for-drug-delivery
#7
REVIEW
Y Lee, D H Thompson
The ultimate goal of drug delivery is to increase the bioavailability and reduce the toxic side effects of the active pharmaceutical ingredient (API) by releasing them at a specific site of action. In the case of antitumor therapy, association of the therapeutic agent with a carrier system can minimize damage to healthy, nontarget tissues, while limit systemic release and promoting long circulation to enhance uptake at the cancerous site due to the enhanced permeation and retention effect (EPR). Stimuli-responsive systems have become a promising way to deliver and release payloads in a site-selective manner...
February 15, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28197849/effect-of-myofascial-techniques-for-treatment-of-upper-limb-dysfunctions-in-breast-cancer-survivors-randomized-controlled-trial
#8
An De Groef, Marijke Van Kampen, Nele Verlvoesem, Evi Dieltjens, Lore Vos, Tessa De Vrieze, Marie-Rose Christiaens, Patrick Neven, Inge Geraerts, Nele Devoogdt
PURPOSE: Besides pain, myofascial dysfunctions may contribute to the presence of upper limb impairments such as impaired range of motion, decreased strength, lymphedema, and altered postures and kinematics. Therefore, the aim of this study was to investigate the effect of myofascial therapy in addition to a standard physical therapy program for treatment of upper limb dysfunctions in breast cancer survivors. METHODS: Fifty women treated for a unilateral breast cancer with pain and myofascial dysfunctions at the upper limb region...
February 14, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28197209/effect-of-bmp-2-delivery-mode-on-osteogenic-differentiation-of-stem-cells
#9
Taekhee Jung, John Hwan Lee, Soonjung Park, Yong-Jin Kim, Joseph Seo, Hye-Eun Shim, Ki-Suk Kim, Hyon-Seok Jang, Hyung-Min Chung, Seong-Geun Oh, Sung-Hwan Moon, Sun-Woong Kang
Differentiation of stem cells is an important strategy for regeneration of defective tissue in stem cell therapy. Bone morphogenetic protein-2 (BMP-2) is a well-known osteogenic differentiation factor that stimulates stem cell signaling pathways by activating transmembrane type I and type II receptors. However, BMPs have a very short half-life and may rapidly lose their bioactivity. Thus, a BMP delivery system is required to take advantage of an osteoinductive effect for osteogenic differentiation. Previously, BMP delivery has been designed and evaluated for osteogenic differentiation, focusing on carriers and sustained release system for delivery of BMPs...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28196799/a-phase-2-trial-of-long-acting-transcon-growth-hormone-in-adult-gh-deficiency
#10
Charlotte Höybye, Andreas F H Pfeiffer, Diego Ferone, Jens S Christiansen, David Gilfoyle, Eva Dam Christoffersen, Eva Mortensen, Jonathan A Leff, Michael Beckert
TransCon growth hormone is a sustained release human growth hormone prodrug in development in which unmodified growth hormone is transiently linked to a carrier molecule. It is intended as an alternative to daily growth hormone in the treatment of growth hormone deficiency. This was a multi-center, randomized, open-label, active-controlled trial designed to compare the safety (including tolerability and immunogenicity), pharmacokinetics, and pharmacodynamics of three doses of weekly TransCon GH to daily growth hormone (Omnitrope)...
February 14, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28195065/effect-of-econazole-and-benzydamine-on-sensory-neurons-in-culture
#11
S Mathivanan, R de la Torre-Martinez, C Wolf, G Mangano, L Polenzani, C Milanese, A Ferrer-Montiel
Econazole is an anti-mycotic agent widely used for the treatment of cutaneous fungal infections, and for the therapy of vaginal candidiasis. Topical application of this azole is generally safe, although some patients have complained of mild burning sensation/cutaneous irritation and itching, especially when administered intravaginally. The underlying mechanisms responsible of these adverse effects are poorly understood, though they suggest excitation of cutaneous nociceptor terminals. We report that exposure of primary cultures of rat nociceptors to econazole augments neuronal excitability...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28194647/cofilin-mediates-lps-induced-microglial-cell-activation-and-associated-neurotoxicity-through-activation-of-nf-%C3%AE%C2%BAb-and-jak-stat-pathway
#12
Qasim Alhadidi, Zahoor A Shah
Microglial cells are activated in response to different types of injuries or stress in the CNS. Such activation is necessary to get rid of the injurious agents and restore tissue homeostasis. However, excessive activation of microglial cells is harmful and contributes to secondary injury. Pertinently, microglial cell activity was targeted in many preclinical and clinical studies but such strategy failed in clinical trials. The main reason behind the failed attempts is the complexity of the injury mechanisms which needs either a combination therapy or targeting a process that is involved in multiple pathways...
February 13, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28192672/smart-nanostructures-for-cargo-delivery-uncaging-and-activating-by-light
#13
Mahdi Karimi, Parham Sahandi Zangabad, Soodeh Baghaee-Ravari, Mahdi Ghazizadeh, Hamed Mirshekari, Michael R Hamblin
Nanotechnology has begun to play a remarkable role in various fields of science and technology. In biomedical applications, nanoparticles have opened new horizons, especially for biosensing, targeted delivery of therapeutics, etc. Among drug delivery systems (DDSs), smart nanocarriers that can respond to specific stimuli in their local environment represent a growing field. Nanoplatforms that can be activated by an external application of light, can be used for a wide variety of photo-activated therapies, (especially light-triggered DDSs) relying on photo-isomerization, photo-crosslinking/uncrosslinking, photo-reduction, etc...
February 13, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28191024/recent-trends-in-pharmacological-activity-of-alkaloids-in-animal-colitis-potential-use-for-inflammatory-bowel-disease
#14
REVIEW
Ana Cristina Alves de Almeida, Felipe Meira de-Faria, Ricardo José Dunder, Luis Paulo Bognoni Manzo, Alba Regina Monteiro Souza-Brito, Anderson Luiz-Ferreira
Inflammatory bowel disease (IBD) is a chronic and disrupted inflammation of the gastrointestinal tract. IBD have two main conditions, Crohn's disease and ulcerative colitis, and have been extensively investigated in recent years. Antibiotics derived from salicylates, steroids, immunosuppressors, and anti-TNF therapy are part of the therapeutic arsenal for IBD. However, very often patients stop responding to treatments over the time. In this context, searching for alternative agents is crucial for IBD clinical management...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28190938/elucidation-of-the-anti-inflammatory-mechanisms-of-bupleuri-and-scutellariae-radix-using-system-pharmacological-analyses
#15
Xia Shen, Zhenyu Zhao, Hao Wang, Zihu Guo, Benxiang Hu, Gang Zhang
Objective. This study was aimed at elucidating the molecular mechanisms underlying the anti-inflammatory effect of the combined application of Bupleuri Radix and Scutellariae Radix and explored the potential therapeutic efficacy of these two drugs on inflammation-related diseases. Methods. After searching the databases, we collected the active ingredients of Bupleuri Radix and Scutellariae Radix and calculated their oral bioavailability (OB) and drug-likeness (DL) based on the absorption-distribution-metabolism-elimination (ADME) model...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28188927/xanthohumol-isolated-from-humulus-lupulus-prevents-thrombosis-without-increased-bleeding-risk-by-inhibiting-platelet-activation-and-mtdna-release
#16
Guang Xin, Zeliang Wei, Chengjie Ji, Huajie Zheng, Jun Gu, Limei Ma, Wenfang Huang, Susan L Morris-Natschke, Jwu-Lai Yeh, Rui Zhang, Chaoyi Qin, Li Wen, Zhihua Xing, Yu Cao, Qing Xia, Ke Li, Hai Niu, Kuo-Hsiung Lee, Wen Huang
AIM: As the global population has reached 7 billion and the baby boom generation reaches old age, thrombosis has become the major contributor to the global disease burden. It has been reported that, in moderate doses, beer may protect against thrombosis. Xanthohumol (XN), an antioxidant, is found at high concentrations in hop cones (Humulus lupulus L.) and is a common ingredient of beer. Here, the aim of the present work was to investigate the effects of XN on antithrombotic and antiplatelet activities, and study its mechanism...
February 7, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28187243/arginine-modified-nanostructured-lipid-carriers-with-charge-reversal-and-ph-sensitive-membranolytic-properties-for-anticancer-drug-delivery
#17
Minjie Sun, Jing Li, Cuiting Zhang, Ying Xie, Hongzhi Qiao, Zhigui Su, David Oupický, Qineng Ping
The ability to escape endo/lysosomal trafficking is critically important to prevent entrapment of nanomedicines in lysosomes and to achieve maximum therapeutic efficacy of drugs delivered to cells through endocytosis. In this study, a novel pH-sensitive chitosan carrier with the ability to reverse its charge during endo/lysosomal trafficking is developed as a way of improving lysosomal disruption. N-Arginine-N-octyl chitosan (AOCS) is synthesized by grafting l-arginine onto carboxymethyl chitosan. The AOCS is used to modify the surface of nanostructured lipid carriers (NLC) to prepare pH-sensitive charge-reversal lysosomolytic nanocarriers (ANLC)...
February 10, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28186975/amp-activated-protein-kinase-reduces-inflammatory-responses-and-cellular-senescence-in-pulmonary-emphysema
#18
Xiao-Yu Cheng, Yang-Yang Li, Cheng Huang, Jun Li, Hong-Wei Yao
Current drug therapy fails to reduce lung destruction of chronic obstructive pulmonary disease (COPD). AMP-activated protein kinase (AMPK) has emerged as an important integrator of signals that control energy balance and lipid metabolism. However, there are no studies regarding the role of AMPK in reducing inflammatory responses and cellular senescence during the development of emphysema. Therefore, we hypothesize that AMPK reduces inflammatroy responses, senescence, and lung injury. To test this hypothesis, human bronchial epithelial cells (BEAS-2B) and small airway epithelial cells (SAECs) were treated with cigarette smoke extract (CSE) in the presence of a specific AMPK activator (AICAR, 1 mM) and inhibitor (Compound C, 5 μM)...
February 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28186666/impaired-intracortical-transmission-in-g2019s-leucine-rich-repeat-kinase-parkinson-patients
#19
Viviana Ponzo, Francesco Di Lorenzo, Livia Brusa, Tommaso Schirinzi, Stefania Battistini, Claudia Ricci, Manolo Sambucci, Carlo Caltagirone, Giacomo Koch
OBJECTIVES: A mutation in leucine-rich repeat kinase 2 is the most common cause of hereditary Parkinson's disease (PD), yet the neural mechanisms and the circuitry potentially involved are poorly understood. METHODS: We used different transcranial magnetic stimulation protocols to explore in the primary motor cortex the activity of intracortical circuits and cortical plasticity (long-term potentiation) in patients with the G2019S leucine-rich repeat kinase 2 gene mutation when compared with idiopathic PD patients and age-matched healthy subjects...
February 10, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28186467/effect-of-the-microenvironment-on-mesenchymal-stem-cells-paracrine-signalling-opportunities-to-engineer-the-therapeutic-effect
#20
Gina Diamanta Kusuma, James Carthew, Rebecca Lim, Jessica Ellen Frith
Cues from the extracellular environment, including physical stimuli, are well known to affect mesenchymal stem cells (MSCs) properties in terms of proliferation and differentiation. Many therapeutic strategies are now targeting this knowledge to increase the efficacy of cell therapies, typically employed to repair tissue functions in the event of injury, either by direct engraftment into the target tissue or differentiation into mature tissues. However, it is now envisioned that harnessing the repertoire of factors secreted by MSCs (termed the secretome) may provide an alternate to these cell therapies...
February 10, 2017: Stem Cells and Development
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