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https://www.readbyqxmd.com/read/29054981/immunoadsorption-in-anti-gbm-glomerulonephritis-case-report-in-a-child-and-literature-review
#1
Guillaume Dorval, Mathilde Lion, Sophie Guérin, Saoussen Krid, Louise Galmiche-Rolland, Rémi Salomon, Olivia Boyer
Antiglomerular basement membrane glomerulonephritis (anti-GBM GN) is a rare autoimmune disease that is characterized by rapidly progressive glomerulonephritis that may be associated with pulmonary hemorrhage. Anti-GBM GN is caused by autoantibodies (classically type G immunoglobulin) directed against the α3 subunit of type IV collagen. Without any appropriate treatment, the disease is generally fulminant, and patient and kidney survival is poor. The current guidelines recommend the use of plasma exchanges and immunosuppressive drugs...
October 20, 2017: Pediatrics
https://www.readbyqxmd.com/read/29054337/dental-pulp-stem-cells-dpscs-increase-prostate-cancer-cell-proliferation-and-migration-under-in-vitro-conditions
#2
Ayşegül Doğan, Selami Demirci, Hüseyin Apdik, Ezgi Avşar Apdik, Fikrettin Şahin
Cancer as a multistep and complicated disease is regulated by several molecular and cellular events. Cancer treatment could be managed at the early stages when the tumor is confined in the tissue. However, disseminated cancer cells metastasize to other body parts and generate new tumors resulting in mortality. Mesenchymal stem cells (MSCs) are found in different body parts and helps adult tissue regeneration. The role of MSCs in cancer progression has emerged as one of the important aspects in cancer biology and is the aim of interest in recent years...
October 16, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29053719/total-disc-replacement-using-tissue-engineered-intervertebral-discs-in-the-canine-cervical-spine
#3
Yu Moriguchi, Jorge Mojica-Santiago, Peter Grunert, Brenton Pennicooke, Connor Berlin, Thamina Khair, Rodrigo Navarro-Ramirez, Rodolfo J Ricart Arbona, Joseph Nguyen, Roger Härtl, Lawrence J Bonassar
The most common reason that adults in the United States see their physician is lower back or neck pain secondary to degenerative disc disease. To date, approaches to treat degenerative disc disease are confined to purely mechanical devices designed to either eliminate or enable flexibility of the diseased motion segment. Tissue engineered intervertebral discs (TE-IVDs) have been proposed as an alternative approach and have shown promise in replacing native IVD in the rodent tail spine. Here we demonstrate the efficacy of our TE-IVDs in the canine cervical spine...
2017: PloS One
https://www.readbyqxmd.com/read/29053339/ecm-crosslinking-enhances-fibroblast-growth-and-protects-against-matrix-proteolysis-in-lung-fibrosis
#4
Christopher J Philp, Ivonne Siebeke, Debbie Clements, Suzanne Miller, Anthony Habgood, Alison E John, Vidya Navaratnam, Richard B Hubbard, Gisli Jenkins, Simon R Johnson
Idiopathic pulmonary fibrosis (IPF) is characterised by accumulation of extra cellular matrix (ECM) proteins and fibroblast proliferation. ECM cross-linking enzymes have been implicated in fibrotic diseases and we hypothesised that the ECM in IPF is abnormally cross-linked which enhances fibroblast growth and resistance to normal ECM turnover. We used a combination of in vitro ECM preparations and in vivo assays to examine the expression of cross-linking enzymes and the effect of their inhibitors on fibroblast growth and ECM turnover...
October 20, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29052369/protein-polysaccharide-based-scaffolds-mimicking-native-extracellular-matrix-for-cardiac-tissue-engineering-applications
#5
Elisabetta Rosellini, Yu Shrike Zhang, Bianca Migliori, Niccoletta Barbani, Luigi Lazzeri, Su Ryon Shin, Mehmet Remzi Dokmeci, Maria Grazia Cascone
Tissue engineering has emerged as a viable approach to treat disease or repair damage in tissues and organs. One of the key elements for the success of tissue engineering is the use of a scaffold serving as artificial extracellular matrix (ECM). The ECM hosts the cells and improves their survival, proliferation, and differentiation, enabling the formation of new tissue. Here, we propose the development of a class of protein/polysaccharide-based porous scaffolds for use as ECM substitutes in cardiac tissue engineering...
October 20, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29051216/prolyl-4-hydroxylase-domain-protein-3-overexpression-improved-obstructive-sleep-apnea-induced-cardiac-perivascular-fibrosis-partially-by-suppressing-endothelial-to-mesenchymal-transition
#6
Guang-Hao Zhang, Fu-Chao Yu, Yang Li, Qin Wei, Song-Song Song, Fang-Ping Zhou, Jia-Yi Tong
BACKGROUND: Intermittent hypoxia (IH) induced by obstructive sleep apnea is the key factor involved in cardiovascular fibrosis. Under persistent hypoxia condition, endothelial cells respond by endothelial-to-mesenchymal transition (EndMT), which is associated with cardiovascular fibrosis. Prolyl 4-hydroxylase domain protein 3 (PHD3) is a cellular oxygen sensor and its expression increased in hypoxia. However, its role in obstructive sleep apnea-induced EndMT and cardiovascular fibrosis is still uncertain...
October 19, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29050841/hemothorax-in-vascular-ehlers-danlos-syndrome
#7
Kevin Álvarez, López Jordi, Hernández Jose Angel
Vascular Ehlers-Danlos syndrome (EDS IV) is a rare genetic disorder characterized by an alteration in the COL3A1 gene which encodes type III collagen. It is the most common type of collagen in vessels of medium size and certain organs such as the intestines and the uterus. The alteration of this type of collagen produces aneurisms and ruptures of vessels and organs. A high level of clinical suspicion is required for diagnosis. It is a complex disease whose management requires a multidisciplinary team to treat the different complications that may occur...
October 16, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/29050751/fibrosis-related-gene-expression-in-single-ventricle-heart-disease
#8
Stephanie J Nakano, Austine K Siomos, Anastacia M Garcia, Hieu Nguyen, Megan SooHoo, Csaba Galambos, Karin Nunley, Brian L Stauffer, Carmen C Sucharov, Shelley D Miyamoto
OBJECTIVE: To evaluate fibrosis and fibrosis-related gene expression in the myocardium of pediatric subjects with single ventricle with right ventricular failure. STUDY DESIGN: Real-time quantitative polymerase chain reaction was performed on explanted right ventricular myocardium of pediatric subjects with single ventricle disease and controls with nonfailing heart disease. Subjects were divided into 3 groups: single ventricle failing (right ventricular failure before or after stage I palliation), single ventricle nonfailing (infants listed for primary transplantation with normal right ventricular function), and stage III (Fontan or right ventricular failure after stage III)...
October 16, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29050649/obesity-status-influences-the-relationship-among-serum-osteocalcin-iron-stores-and-insulin-sensitivity
#9
Gemma Xifra, José María Moreno-Navarrete, María Moreno, Wifredo Ricart, José Manuel Fernández-Real
BACKGROUND & AIMS: Increased iron stores significantly influence the clinical course of several chronic metabolic diseases. Recent studies have shown that iron overload decreases osteocalcin. We aimed to explore the relationship among osteocalcin, iron stores and insulin sensitivity. METHODS: Extensive clinical and laboratory measurements, including serum ferritin, cross-linked C-telopeptide of type I collagen (CTX) and osteocalcin (OC) concentrations, were analyzed in 250 adult consecutive Caucasian men...
October 6, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29050494/whole-transcriptome-analysis-identifies-differentially-regulated-networks-between-osteosarcoma-and-normal-bone-samples
#10
Xuan Dung Ho, Phuong Phung, Van Q Le, Van H Nguyen, Ene Reimann, Ele Prans, Gea Kõks, Katre Maasalu, Nghi Tn Le, Le H Trinh, Hoang G Nguyen, Aare Märtson, Sulev Kõks
We performed whole transcriptome analysis of osteosarcoma bone samples. Initially, we sequenced total RNA from 36 fresh-frozen samples (18 tumoral bone samples and 18 non-tumoral paired samples) matching in pairs for each osteosarcoma patient. We also performed independent gene expression analysis of formalin-fixed paraffin-embedded samples to verify the RNAseq results. Formalin-fixed paraffin-embedded samples allowed us to analyze the effect of chemotherapy. Data were analyzed with DESeq2, edgeR and Reactome packages of R...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29050463/clinical-outcomes-and-pathological-characteristics-of-immunoglobulin-g4-related-ophthalmic-disease-versus-orbital-inflammatory-pseudotumor
#11
Hong Ki Min, Youn Soo Lee, Suk-Woo Yang, Jennifer Lee, Seung-Ki Kwok, Ji Hyeon Ju, Wan-Uk Kim, Sung-Hwan Park
Background/Aims: This study investigated the clinical and pathological features of immunoglobulin G4 (IgG4)-related ophthalmic disease. To clarify the features, we compared IgG4-related ophthalmic disease and orbital inflammatory pseudotumor. Methods: We retrospectively reviewed the medical records of 103 patients who were initially diagnosed with orbital inflammatory pseudotumor, and identified 16 cases in which the diagnosis was based on surgical biopsy and for which data in medical records were sufficient for analysis...
October 19, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29050211/silibinin-attenuates-radiation-induced-intestinal-fibrosis-and-reverses-epithelial-to-mesenchymal-transition
#12
Joong Sun Kim, Na-Kyung Han, Sung-Ho Kim, Hae-June Lee
Radiotherapy is a common treatment for cancer patients, but its use is often restricted by the tolerance of normal tissue. As cancer patients live longer, delayed radiation effects on normal tissue have become a concern. Radiation-induced enteropathy, including inflammatory bowel disease and fibrosis, are major issues for long-term cancer survivors. To investigate whether silibinin attenuates delayed radiation-induced intestinal injury in mice, we focused on intestinal fibrotic changes. Silibinin improved delayed radiation injuries in mice in association with decreased collagen deposition within the intestines and deceased transforming growth factor (TGF)-β1 levels in the intestine and plasma...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050027/new-preventive-approaches-part-ii-role-of-dentin-biomodifiers-in-caries-progression
#13
Ana K Bedran-Russo, Camila A Zamperini
Dental caries is the most prevalent infectious chronic disease in children and adults. With a globally aging population, new demands in the management of dental caries are awakened by the rampant increase in the incidence of dental root caries. Like crown caries, root caries requires bacterial driven tissue demineralization followed by the degradation of the extracellular dentin matrix. Due to the complex composition and ultrastructure, preventive strategies targeting the mineral phase of dentin are insufficient for managing the prevention and progression of root caries...
2017: Monographs in Oral Science
https://www.readbyqxmd.com/read/29048630/metastatic-genes-targeted-by-an-antioxidant-in-an-established-radiation-%C3%A2-and-estrogen-breast-cancer-model
#14
Gloria M Calaf, Debasish Roy
Breast cancer remains the second most common disease worldwide. Radiotherapy, alone or in combination with chemotherapy, is widely used after surgery as a treatment for cancer with proven therapeutic efficacy manifested by reduced incidence of loco-regional and distant recurrences. However, clinical evidence indicates that relapses occurring after radiotherapy are associated with increased metastatic potential and poor prognosis in the breast. Among the anticarcinogenic and antiproliferative agents, curcumin is a well-known major dietary natural yellow pigment derived from the rhizome of the herb Curcuma longa (Zingiberaceae)...
September 14, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29047409/novel-approach-to-gastric-mucosal-defect-repair-using-fresh-amniotic-membrane-allograft-in-dogs-experimental-study
#15
Haithem A Farghali, Naglaa A AbdElKader, Marwa S Khattab, Huda O AbuBakr
BACKGROUND: Gastric mucosal defect could result from several causative factors including the use of nonsteroidal anti-inflammatory drugs, Helicobacter pylori infection, gastrointestinal and spinal cord diseases, and neoplasia. This study was performed to achieve a novel simple, inexpensive, and effective surgical technique for the repair of gastric mucosal defect. METHODS: Six adult male mongrel dogs were divided into two groups (three dogs each). In the control positive group (C + ve), dogs were subjected to surgical induction of gastric mucosal defect and then treated using traditional medicinal treatment for such a condition...
October 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29047177/selected-hepatoprotective-herbal-medicines-evidence-from-ethnomedicinal-applications-animal-models-and-possible-mechanism-of-actions
#16
REVIEW
Muhammad Ali, Tariq Khan, Kaneez Fatima, Qurat Ul Ain Ali, Muhammad Ovais, Ali Talha Khalil, Ikram Ullah, Abida Raza, Zabta Khan Shinwari, Muhammad Idrees
Insight into the hepatoprotective effects of medicinally important plants is important, both for physicians and researchers. Main reasons for the use of herbal medicine include their lesser cost compared with conventional drugs, lesser undesirable drug reactions and thus high safety, and reduced side effects. The present review focuses on the composition, pharmacology, and results of experimental trials of selected medicinal plants: Silybum marianum (L.) Gaertn., Glycyrrhiza glabra, Phyllanthus amarus Schumach...
October 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29046338/regulation-of-valve-interstitial-cell-homeostasis-by-mechanical-deformation-implications-for-heart-valve-disease-and-surgical-repair
#17
Salma Ayoub, Chung-Hao Lee, Kathryn H Driesbaugh, Wanda Anselmo, Connor T Hughes, Giovanni Ferrari, Robert C Gorman, Joseph H Gorman, Michael S Sacks
Mechanical stress is one of the major aetiological factors underlying soft-tissue remodelling, especially for the mitral valve (MV). It has been hypothesized that altered MV tissue stress states lead to deviations from cellular homeostasis, resulting in subsequent cellular activation and extracellular matrix (ECM) remodelling. However, a quantitative link between alterations in the organ-level in vivo state and in vitro-based mechanobiology studies has yet to be made. We thus developed an integrated experimental-computational approach to elucidate MV tissue and interstitial cell responses to varying tissue strain levels...
October 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29046274/genetic-depletion-or-hyperresponsiveness-of-natural-killer-cells-do-not-affect-atherosclerosis-development
#18
Wared Nour Eldine, Jeremie Joffre, Kazem Zibara, Andreas Giraud, Bruno Esposito, Lynda Zeboudj, José Vilar, Megumi Terada, Patrick Bruneval, Eric Vivier, Hafid Ait-Oufella, Ziad Mallat, Sophie Ugolini, Alain Tedgui
Rationale: Chronic inflammation is central in the development of atherosclerosis. Both innate and adaptive immunity are involved. Although several studies have evaluated the functions of NK cells in experimental animal models of atherosclerosis, it is not yet clear whether NK cells behave as protective or pro-atherogenic effectors. One of the main caveats of previous studies was the lack of specificity in targeting loss- or gain-of-function of NK cells. Objective: We used two selective genetic approaches to investigate the role of NK cells in atherosclerosis: 1) Ncr1i(Cre/+)R26(lsl-DTA/+) mice in which NK cells were depleted, 2) Noé mice in which NK cells are hyperresponsive...
October 18, 2017: Circulation Research
https://www.readbyqxmd.com/read/29046057/bile-duct-ligature-in-young-rats-a-revisited-animal-model-for-biliary-atresia
#19
Matias Garrido, Camila Escobar, Constanza Zamora, Carolina Rejas, Juan Varas, Mario Párraga, Sebastian San Martin, Sandra Montedónico
Biliary atresia leads to cirrhosis in the vast majority of patients and constitutes the first cause of paediatric liver transplantation. Animal models allow us to understand the molecular basis and natural history of diseases. The aim of this study is to describe a surgically created animal model of biliary atresia with emphasis in long-term liver function. Forty-two 3-week-old Sprague-Dawley rats were randomly divided into two groups: bile duct ligature (BDL) and control. The animals were sacrificed on the 2nd, 4th, and 6th postoperative weeks...
September 13, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/29045953/-detection-of-large-deletions-in-x-linked-alport-syndrome-using-competitive-multiplex-fluorescence-polymerase-chain-reaction
#20
F Wang, Y Q Zhang, J Ding, L X Yu
OBJECTIVE: To evaluate the ability of multiplex competitive fluorescence polymerase chain reaction in detection of large deletion and duplication genotypes of X-linked Alport syndrome. METHODS: Clinical diagnosis of X-linked Alport syndrome was based on either abnormal staining of type IV collagen α5 chain in the epidermal basement membrane alone or with abnormal staining of type IV collagen α5 chain in the glomerular basement membrane and Bowman's capsule/ultrastructural changes in the glomerular basement membrane typical of Alport syndrome...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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