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https://www.readbyqxmd.com/read/28088772/thrombospondin-immune-regulation-and-the-kidney
#1
Claudio Ponticelli, Hans-Joachim Anders
Most therapeutic attempts to prevent the progression of kidney diseases have been based on interventions to inhibit the production of transforming growth factor-β (TGF-β). Thrombospondins (TSPs) play an important role in activating TGF-β. In the healthy kidney, two TSPs are expressed, TSP1 and TSP2, which exert contrasting effects. While TSP1 is a major activator of TGF-β in renal cells and exerts pro-inflammatory effects both in vitro and in vivo, TSP2 lacks the ability for TGF-β activation but regulates matrix remodeling and inflammation in experimental kidney disease...
January 14, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28087697/development-of-high-affinity-and-high-specificity-inhibitors-of-metalloproteinase-14-through-computational-design-and-directed-evolution
#2
Valeria Arkadash, Gal Yosef, Jason Shirian, Itay Cohen, Yuval Horev, Moran Grossman, Irit Sagi, Evette S Radisky, Julia M Shifman, Niv Papo
Degradation of the extracellular matrices in the human body is controlled by matrix metalloproteinases (MMPs), a family of more than 20 homologous enzymes. Imbalance in MMP activity can result in many diseases, such as arthritis, cardiovascular diseases, neurological disorders, fibrosis, and cancers. Thus, MMPs present attractive targets for drug design and have been a focus for inhibitor design for as long as three decades. Yet, to date, all MMP inhibitors have failed in clinical trials because of their broad activity against numerous MMP family members and the serious side effects of the proposed treatment...
January 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28079851/corticosteroid-and-cyclophosphamide-in-acute-exacerbation-of-idiopathic-pulmonary-fibrosis-a-single-center-experience-and-literature-review
#3
Luca Novelli, Roberto Ruggiero, Federica De Giacomi, Alice Biffi, Paola Faverio, Luca Bilucaglia, Silvia Gamberini, Grazia Messinesi, Alberto Pesci
Acute Exacerbation (AEx) is a frequent and severe complication of Idiopathic Pulmonary Fibrosis (IPF). In the absence of consensus regarding treatment, studies evaluating the efficacy of specific therapies, such as corticosteroids and immunosuppresant agents, are needed. In this case series we evaluated the outcome in terms of survival of intravenous pulse doses of high-dose corticosteroid (methylprednisolone 1000 mg per day for 3 consecutive days) followed by montlhy cyclophosphamide administration (maximum 6 doses) in a cohort of patients with AEx-IPF referred to the Respiratory Unit, San Gerardo University Hospital, Monza, Italy, from 2009 to 2013...
December 23, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
https://www.readbyqxmd.com/read/28079429/association-between-late-effects-assessed-by-physicians-and-quality-of-life-reported-by-head-and-neck-cancer-survivors
#4
Rikke Daugaard, Trille Kjaer, Christoffer Johansen, Jane Christiansen, Elo Andersen, Anni L Nielsen, Susanne O Dalton
BACKGROUND: Many survivors of head-and-neck cancer (HNC) suffer from late effects. Their overall quality of life deteriorates during treatment, followed by a slow recovery up to five years after treatment. We examined the association between the severity of physician-assessed late effects and the health-related quality of life (HRQoL) reported by survivors of HNC. MATERIAL AND METHODS: The analysis was based on data collected during follow-up for 136 survivors of cancer in the oral cavity, pharynx, larynx, or salivary glands...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28078950/magnetic-nanoparticles-based-drug-and-gene-delivery-systems-for-the-treatment-of-pulmonary-diseases
#5
Ibrahim M El-Sherbiny, Nancy M Elbaz, Mohammed Sedki, Abdulaziz Elgammal, Magdi H Yacoub
Magnetic nanoparticles (MNPs) have gained much attention due to their unique properties such as biocompatibility and biodegradability as well as magnetic and heat-medicated characteristics. Due to these inherent properties, MNPs have been widely used in various biomedical applications including targeted drug delivery and hyperthermia-based therapy. Hyperthermia is a promising approach for the thermal activation therapy of several diseases, including pulmonary diseases. Additionally, due to their large loading capacity and controlled release ability, several MNP-based drug delivery systems have been emerged for treatment of cystic fibrosis and lung cancer...
January 12, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28077318/alcohol-microbiome-life-style-influence-alcohol-and-non-alcoholic-organ-damage
#6
REVIEW
Manuela G Neuman, Samuel W French, Samir Zakhari, Stefen Malnick, Helmut K Seitz, Lawrence B Cohen, Mikko Salaspuro, Andreea Voinea Griffin, Andrei Barasch, Irina A Kirpich, Paul G Thomes, Laura W Schrum, Terrence M Donohue, Kusum Kharbanda, Marcus Cruz, Mihai Opris
This paper is based upon the "8th Charles Lieber's Satellite Symposium" organized by Manuela G. Neuman at the Research Society on Alcoholism Annual Meeting, onJune 25, 2016 at New Orleans, Louisiana, USA. The integrative symposium investigated different aspects of alcohol-induced liver disease (ALD) as well as non-alcohol-induced liver disease (NAFLD) and possible repair. We revealedthe basic aspects of alcohol metabolism that may be responsible for the development of liver diseaseas well as the factors that determine the amount, frequency and which type of alcohol misuse leads to liver and gastrointestinal diseases...
January 7, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28073161/the-pnpla3-i148m-variant-modulates-the-fibrogenic-phenotype-of-human-hepatic-stellate-cells
#7
Francesca Virginia Bruschi, Thierry Claudel, Matteo Tardelli, Alessandra Caligiuri, Thomas M Stulnig, Fabio Marra, Michael Trauner
: The genetic polymorphism I148M of PNPLA3 is robustly associated with hepatic steatosis and its progression to steatohepatitis, fibrosis and cancer. Hepatic stellate cells (HSCs) are key players in the development of liver fibrosis, but the role of PNPLA3 and its variant I148M in this process is poorly understood. Here we analyzed the expression of PNPLA3 during human HSC activation and thereby explored how a PNPLA3 variant impacts on hepatic fibrogenesis. We show that PNPLA3 gene and protein expression increase during the early phases of activation and remain elevated in fully activated HSCs (p<0...
January 10, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28068221/devilish-effects-of-taz-in-nonalcoholic-steatohepatitis
#8
Scott L Friedman, Youngmin A Lee
Nonalcoholic steatohepatitis leads to cirrhosis and cancer in a rising number of patients with metabolic syndrome. In this issue of Cell Metabolism, Wang et al. (2016) identify the transcriptional co-activator Taz as a driver of inflammation and fibrosis through the induction of Indian hedgehog in hepatocytes, which stimulates fibrogenesis by hepatic stellate cells.
December 13, 2016: Cell Metabolism
https://www.readbyqxmd.com/read/28067794/the-tgf-%C3%AE-smad4-signaling-pathway-in-pancreatic-carcinogenesis-and-its-clinical-significance
#9
REVIEW
Sunjida Ahmed, Azore-Dee Bradshaw, Shweta Gera, M Zahidunnabi Dewan, Ruliang Xu
Pancreatic ductal adenocarcinoma (PDAC) is one of the most fatal human cancers due to its complicated genomic instability. PDAC frequently presents at an advanced stage with extensive metastasis, which portends a poor prognosis. The known risk factors associated with PDAC include advanced age, smoking, long-standing chronic pancreatitis, obesity, and diabetes. Its association with genomic and somatic mutations is the most important factor for its aggressiveness. The most common gene mutations associated with PDAC include KRas2, p16, TP53, and Smad4...
January 5, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28064429/structural-insight-into-the-gene-expression-profiling-of-the-hcn-operon-in-pseudomonas-aeruginosa
#10
Nilkanta Chowdhury, Angshuman Bagchi
Pseudomonas aeruginosa is a common opportunistic human pathogen. It generally attacks immunosuppressed patients like AIDS, cancer, cystic fibrosis, etc. The virulence of P. aeruginosa is mediated by various virulence factors. One of such potential virulence factors is HCN synthesized by HCN synthase enzyme, which is encoded by the hcnABC operon. The expressions of the genes of this operon are regulated by three transcriptional regulators, viz., LasR, ANR, and RhlR. In our previous work, we analyzed the molecular details of the functionalities of LasR...
January 7, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28063051/optimized-mouse-models-for-liver-fibrosis
#11
Yong Ook Kim, Yury Popov, Detlef Schuppan
Fibrosis is the excessive accumulation of extracellular matrix components due to chronic injury, with collagens as predominant structural components. Liver fibrosis can progress to cirrhosis, which is characterized by a severe distortion of the delicate hepatic vascular architecture, the shunting of the blood supply away from hepatocytes and the resultant functional liver failure. Cirrhosis is associated with a highly increased morbidity and mortality and represents the major hard endpoint in clinical studies of chronic liver diseases...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28060321/imaging-of-cell-shape-alteration-and-cell-movement-in-drosophila-gastrulation-using-de-cadherin-reporter-transgenic-flies
#12
M Rezaul Karim, Tomohiro Haruta, Taro Matsumoto, Hiroki Oda, Hiroaki Taniguchi
Gastrulation is the first set of morphologically dynamic events that occur during the embryonic development of multicellular animals such as Drosophila. This morphological alteration is also recognized as epithelial to mesenchymal transition (EMT). Dysregulation of EMT is associated with fibrosis and cancer metastasis. There is emerging evidence that EMT is controlled by a number of molecular mechanisms. As such, many key genes that control apical constriction are also known to be important factors in the EMT observed in cancer metastasis...
December 29, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28058076/non-alcoholic-fatty-pancreatic-disease-a-review-of-literature
#13
REVIEW
Hassan Tariq, Suresh Nayudu, Sai Akella, Mariela Glandt, Sridhar Chilimuri
There is an epidemic of obesity worldwide. The prevalence of obesity has doubled over the last three decades. Obesity, especially abdominal obesity is associated with insulin resistance that can lead to pancreatic steatosis and non-alcoholic fatty pancreatic disease (NAFPD). NAFPD describes a phenotype entity ranging from deposition of fat in the pancreas to pancreatic inflammation, and resultant fibrosis, which is similar to that of non-alcoholic fatty liver disease (NAFLD). NAFPD may represent a meaningful manifestation of metabolic syndrome...
December 2016: Gastroenterology Research
https://www.readbyqxmd.com/read/28057304/drosophila-as-a-model-for-human-diseases-focus-on-innate-immunity-in-barrier-epithelia
#14
P Bergman, S Seyedoleslami Esfahani, Y Engström
Epithelial immunity protects the host from harmful microbial invaders but also controls the beneficial microbiota on epithelial surfaces. When this delicate balance between pathogen and symbiont is disturbed, clinical disease often occurs, such as in inflammatory bowel disease, cystic fibrosis, or atopic dermatitis, which all can be in part linked to impairment of barrier epithelia. Many innate immune receptors, signaling pathways, and effector molecules are evolutionarily conserved between human and Drosophila...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28056854/establishing-a-xenograft-mouse-model-of-peritoneal-dissemination-of-gastric-cancer-with-organ-invasion-and-fibrosis
#15
Mitsuyoshi Okazaki, Sachio Fushida, Shinichi Harada, Tomoya Tsukada, Jun Kinoshita, Katsunobu Oyama, Tomoharu Miyashita, Itasu Ninomiya, Tetsuo Ohta
BACKGROUND: The clinical prognosis of gastric cancer with peritoneal dissemination is poor because of its chemoresistance and rich fibrosis. While several gastric cancer cell lines have been used to establish models of peritoneal dissemination by intraperitoneal injection, most peritoneal tumors that form adopt a medullary pattern in microscopic appearance. This histological finding for the model differs from that in the clinical situation. This study was performed to demonstrate the contribution of human peritoneal mesothelial cells (HPMCs) to fibrotic tumor formation and to establish a new xenograft model with high potential for peritoneal dissemination with organ invasion and extensive fibrosis...
January 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28053024/molecular-pathways-revisiting-glycogen-synthase-kinase-3%C3%AE-as-a-target-for-the-treatment-of-cancer
#16
Amy Walz, Andrey Ugolkov, Sunandana Chandra, Alan Kozikowski, Benedito A Carneiro, Thomas V O'Halloran, Francis J Giles, Daniel D Billadeau, Andrew P Mazar
Glycogen synthase kinase-3β (GSK-3β), a serine/threonine protein kinase, is a complex regulator of numerous cellular functions. GSK-3β is a unique kinase which is constitutively active in resting and non-stimulated cells. GSK-3β has been implicated in a wide range of diseases including neurodegeneration, inflammation and fibrosis, noninsulin-dependent diabetes mellitus, and cancer. It is a regulator of NF-κB-mediated survival of cancer cells, which provided a rationale for the development of GSK-3 inhibitors targeting malignant tumors...
January 4, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28053001/cancer-cachexia-differentially-regulates-visceral-adipose-tissue-turnover
#17
Felipe de Oliveira Franco, Magno Alves Lopes, Felipe Dos Santos Henriques, Rodrigo X Neves, Cesário Bianchi Filho, Miguel Luiz Batista Júnior
Cancer cachexia (CC) is a progressive metabolic syndrome that is marked by severe body weight loss. Metabolic disarrangement of fat tissues is a very early event in CC, followed by adipose tissue (AT) atrophy and remodelling. However, there is little information regarding the possible involvement of cellular turnover in this process. Thus, we evaluated the effect of CC on AT turnover of mesenteric (ME) and retroperitoneal (RP) AT depots as possible factors that contribute to AT atrophy. CC was induced by a subcutaneous injection of Walker tumour cells (2x10(7)) in Wistar rats...
January 4, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28050580/microarray-data-and-pathway-analyses-for-primary-human-activated-hepatic-stellate-cells-compared-to-hepg2-human-hepatoma-cells
#18
Alexandra M Hetherington, Cynthia G Sawyez, Nica M Borradaile
As nonalcoholic fatty liver disease progresses to end-stage diseases, including fibrosis, cirrhosis and hepatocellular carcinoma, fibrotic activated hepatic stellate cells and cancerous epithelial cells can become abundant, changing the cellular composition of this organ. Despite potentially residing within the same diseased tissue, direct comparisons of global gene expression between activated hepatic stellate cells and hepatocellular carcinoma cells are lacking. Here we provide data collected using Affymetrix GeneChip microarrays to identify differential gene expression in cultured primary human activated hepatic stellate cells compared to HepG2 human hepatoma cells...
February 2017: Data in Brief
https://www.readbyqxmd.com/read/28050496/the-insight-for-initiation-and-maintenance-of-areca-nut-chewing-habit-and-its-effects-on-oral-health-status-among-school-age-population-in-western-rajasthan-india
#19
Abhishek Singhvi, Ashish Joshi, Neeta Bagul, Sanya Bhatia, Gurdeep Singh, Rajkumari Gupta
INTRODUCTION: Areca nut is highly carcinogenic according to International Agency for Research on Cancer (IARC). Its usage is continuously increasing in children and adolescents in India. AIM: The aim of the study was to understand the reasons for the development of the areca nut chewing habit at early age. MATERIALS AND METHODS: A total of 2846 subjects were surveyed from rural government schools between ages of 4 to18 years in Western Rajasthan, India...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28049396/oxidative-stress-and-antioxidant-potential-of-one-hundred-medicinal-plants
#20
Waseem Hassan, Hamsa Noreen, Shakila Rehman, Shehnaz Gul, Mohammad Amjad Kamal, Jean Paul Kamdem, Bakht Zaman, Joao B T da Rocha
Reactive species are produced in biological system because of redox reactions. The imbalance in pro-oxidant and antioxidant homeostasis leads to the production of toxic reactive oxygen and nitrogen species like hydrogen peroxide, organic peroxides, hydroxyl radicals, superoxide anion and nitric oxide. Inactivation of metabolic enzymes, oxidation of biomolecules and cellular damage are some of the prominent characteristics of reactive species. Similarly, oxidative stress has been associated with more than one hundred (100) pathologies such as atherosclerosis, diabetes, cardiovascular diseases, pancreatic and liver diseases, joint disorders, cardiac fibrosis, acute respiratory distress syndrome, neurological diseases (amyotrophic lateral sclerosis, Huntington's disorder, Parkinson's disease and Alzheimer's disease), ageing and cancer etc...
January 2, 2017: Current Topics in Medicinal Chemistry
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