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Fibrosis AND diseases

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https://www.readbyqxmd.com/read/29793131/tlr2-4-ligand-amplified-liver-inflammation-promotes-initiation-of-autoimmune-hepatitis-due-to-sustained-il-6-il-12-il-4-il-25-expression
#1
Gang Chi, Xin-Xia Feng, Ying-Xia Ru, Ting Xiong, Yuan Gao, Han Wang, Zhen-Long Luo, Ran Mo, Fang Guo, Yong-Pei He, Gui-Mei Zhang, De-An Tian, Zuo-Hua Feng
Autoimmune hepatitis (AIH), a serious autoimmune liver disease, can be a lifelong illness, leading to fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). So far the mechanisms for disease initiation are largely unknown. Here we report that the amplified non-AIH liver inflammation could promote the initiation of AIH due to the sustained increase of IL-6, IL-12, IL-4, and IL-25 in the liver. The liver injury resulting from virus (adenovirus) or chemicals (CCl4 ) could induce an amplified (stronger/long-lasting) hepatic inflammation by releasing the ligands for TLR2/TLR4...
May 21, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29792748/portal-vein-thrombosis-imaging-the-spectrum-of-disease-with-an-emphasis-on-mri-features
#2
Reena C Jha, Satinderpal Singh Khera, Amit Dinesh Kalaria
OBJECTIVE: The purpose of this article is to review the classic and uncommon imaging findings of portal vein thrombosis (PVT) (acute, chronic, congenital, and septic thrombus) as visualized on multiple modalities, with an emphasis on MRI findings. Additional aims are to understand the imaging of obliterative portal venopathy and its clinical significance, appreciate morphologic changes of the biliary system that may accompany PVT, and recognize changes in liver enhancement patterns seen with PVT related to the hepatic arterial buffer response...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792584/neonatal-intake-of-oleanolic-acid-attenuates-the-subsequent-development-of-high-fructose-diet-induced-non-alcoholic-fatty-liver-disease-in-rats
#3
T T Nyakudya, E Mukwevho, P Nkomozepi, K H Erlwanger
Dietary manipulations during the early postnatal period are associated with the development of metabolic disorders including non-alcoholic fatty liver disease (NAFLD) or long-term protection against metabolic dysfunction. We investigated the potential hepatoprotective effects of neonatal administration of oleanolic acid (OA), a phytochemical, on the subsequent development in adulthood, of dietary fructose-induced NAFLD. Male and female suckling rats (n=112) were gavaged with; distilled water (DW), OA (60 mg/kg), high fructose solution (HF; 20% w/v) and OA+HF (OAHF) for 7 days...
May 24, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29792348/cell-division-cycle-7-kinase-is-a-negative-regulator-of-cell-mediated-collagen-degradation
#4
Michael Jeffrey Podolsky, Deepti Gupta, Arnold Ha, Ryan Ta, Amin Khalifeh-Soltani, William McKleroy, Ritwik Datta, Dean Sheppard, Kamran Atabai
Although extensive work has delineated many of the mechanisms of extracellular matrix (ECM) production, far less is known about pathways that regulate ECM degradation. This is particularly true of cellular internalization and degradation of matrix, which play an underappreciated role in ECM metabolism and lung fibrosis. For example, genetic perturbation of this pathway leads to exacerbated fibrosis in experimental animal models. In this work, we present the results of an unbiased screen of Drosophila phagocytes that yielded multiple genes that when silenced led to increased collagen uptake...
May 24, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29791487/patients-experiences-of-coping-with-idiopathic-pulmonary-fibrosis-and-their-recommendations-for-its-clinical-management
#5
Sameera Senanayake, Kim Harrison, Michael Lewis, Melitta McNarry, Joanne Hudson
BACKGROUND: Idiopathic Pulmonary Fibrosis (IPF) is a chronic, progressive and life-limiting condition. From a healthcare perspective it is vital to establish effective methods of improving the quality of remaining life in these patients. This requires a detailed understanding of the multiple impacts of an IPF diagnosis on the individual. METHODS: We sought to understand how patients coped with their initial diagnosis, how they live with the disease day-to-day, and their experiences and opinions of the professional support they receive...
2018: PloS One
https://www.readbyqxmd.com/read/29791059/the-use-of-high-resolution-colonic-manometry-to-establish-etiology-and-direct-treatment-in-patients-with-constipation-case-series-with-correlation-to-histology
#6
Yuwei Li, Jiying Cong, Fei Fei, Zhao Zhang, Yongjun Yu, Chen Xu, Xipeng Zhang, Shiwu Zhang
BACKGROUND AND AIM: Different clinical treatments are available to treat patients with constipation. We aimed to study the etiology and direct treatment in a case series of patients with constipation by the use of high-resolution colonic manometry (HRCM). METHODS: HRCM was used to record the colorectal peristaltic contractions of the entire colon in patients. Based on the results of HRCM, 151 patients with constipation were classified into groups and received different clinical treatment such as a total or subtotal colectomy, local excision, or conservative treatment...
May 23, 2018: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29790537/physical-defects-in-basement-membrane-mimicking-collagen-iv-matrices-trigger-cellular-emt-and-invasion
#7
Christopher Walter, Joshua T Davis, Jairaj Mathur, Amit Pathak
In fibrosis and cancer, degradation of basement membrane (BM) and cell invasion are considered as key outcomes of a cellular transformation called epithelial-mesenchymal transition (EMT). Here, we pose a converse question - can preexisting physical defects in the BM matrix cause EMT in normal epithelial cells? On a BM-mimicking matrix of collagen-IV-coated polyacrylamide (PA) gel, we have discovered a reverse phenomenon in which preexisting defects trigger EMT in normal epithelial cells. Through spatiotemporal measurements and simulations in silico, we demonstrate that the EMT precedes cellular mechanoactivation on defective matrices, but they occur concurrently on stiff matrices...
May 23, 2018: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/29790305/lyme-disease-associated-igg4-autoantibodies-correlate-with-synovial-pathology-in-antibiotic-refractory-lyme-arthritis
#8
Katherine B Sulka, Klemen Strle, Jameson T Crowley, Robert B Lochhead, Robert Anthony, Allen C Steere
OBJECTIVE: To determine whether IgG subclasses of B. burgdorferi antibodies differ from those of 3 Lyme disease (LD)-associated autoantibodies. METHODS: The IgG antibody subclasses were determined by ELISA in serum samples from 215 patients representative of each of the 3 stages of Lyme disease. Antibody and cytokine profiles were measured in matched serum and synovial fluid (SF) samples from Lyme arthritis patients. Synovial tissue from patients with antibiotic-refractory arthritis was examined for histologic features, IgG subclasses of plasma cells, and mRNA subclass expression...
May 23, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29790083/point-quantification-elastography-in-the-evaluation-of-liver-elasticity-in-healthy-volunteers-a-reliability-study-based-on-operator-expertise
#9
Cristina Felicani, Chiara De Molo, Horia Stefanescu, Fabio Conti, Elena Mazzotta, Veronica Gabusi, Elena Nardi, Antonio Maria Morselli-Labate, Pietro Andreone, Carla Serra
PURPOSE: The assessment of liver fibrosis is essential in the management of patients with chronic liver diseases. Liver biopsy is considered the gold standard procedure for this purpose, though the recent development of new elastosonographic techniques to measure liver stiffness (LS) noninvasively is promising. Point quantification elastography (PQE) showed good results but less is known about the level of skill needed to obtain reliable results. The aim of the study was to evaluate the reproducibility of PQE in assessing LS in healthy subjects comparing three operators with different expertise...
May 22, 2018: Journal of Ultrasound
https://www.readbyqxmd.com/read/29789993/the-role-of-the-epithelial-to-mesenchymal-transition-emt-in-diseases-of-the-salivary-glands
#10
REVIEW
Margherita Sisto, Sabrina Lisi, Domenico Ribatti
The link between inflammatory microenvironment and cancer emerged in the last years as a decisive factor in the induction of the pathological epithelial-mesenchymal transition (EMT). The EMT induces changes of cell states converting the epithelial cells to mesenchymal cells when this program is fully executed and EMT has emerged as a central driver of tumor malignancy. Cellular pathways activated by chronic inflammation brought about by chronic infections, by immune-mediated diseases, or by dysregulated wound healing at sites of repetitive tissue injury, constitute risk factors or initial cell transformation and for cancer progression...
May 23, 2018: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29789558/celastrol-alleviates-renal-fibrosis-by-upregulating-cannabinoid-receptor-2-expression
#11
Ming Tang, Xu Cao, Kun Zhang, You Li, Quan-You Zheng, Gui-Qing Li, Qian-Hui He, Shu-Jing Li, Gui-Lian Xu, Ke-Qin Zhang
Renal fibrosis is the final manifestation of various chronic kidney diseases, and no effective therapy is available to prevent or reverse it. Celastrol, a triterpene that derived from traditional Chinese medicine, is a known potent anti-fibrotic agent. However, the underlying mechanisms of action of celastrol on renal fibrosis remain unknown. In this study, we found that celastrol treatment remarkably attenuated unilateral ureteral obstruction (UUO)-induced mouse renal fibrosis. This was evidenced by the significant reduction in tubular injury; collagen deposition; accumulation of fibronectin, collagen I, and α-smooth muscle actin; and the expression levels of pro-fibrotic factors Vim, Cola1, and TGF-β1 mRNA, as well as inflammatory responses...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29789556/foxm1-dependent-rad51-and-brca2-signaling-protects-idiopathic-pulmonary-fibrosis-fibroblasts-from-radiation-induced-cell-death
#12
Jintaek Im, Jessica Lawrence, Davis Seelig, Richard S Nho
Radiation therapy is critical for the control of many tumors and lung is an important dose-limiting organ that impacts radiation dose prescribed to avoid irreversible pulmonary fibrosis in cancer survivors. Idiopathic pulmonary fibrosis (IPF) is a chronic, irreversible lung disease caused by aberrantly activated lung (myo)fibroblasts. The presence of pro-fibrotic, apoptosis-resistant fibroblasts in IPF promotes progressive fibrosis and may have a role in other diseases, if these resistant cells are selected for as a consequence of treatment...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29789544/development-of-muscular-dystrophy-in-a-crispr-engineered-mutant-rabbit-model-with-frame-disrupting-ano5-mutations
#13
Tingting Sui, Li Xu, Yeh Siang Lau, Di Liu, Tingjun Liu, Yandi Gao, Liangxue Lai, Renzhi Han, Zhanjun Li
Limb girdle muscular dystrophy type 2L (LGMD2L) and Miyoshi myopathy type 3 (MMD3) are autosomal recessive muscular dystrophy caused by mutations in the gene encoding anoctamin-5 (ANO5), which belongs to the anoctamin protein family. Two independent lines of mice with complete disruption of ANO5 transcripts did not exhibit overt muscular dystrophy phenotypes; instead, one of these mice was observed to present with some abnormality in sperm motility. In contrast, a third line of ANO5-knockout (KO) mice with residual expression of truncated ANO5 expression was reported to display defective membrane repair and very mild muscle pathology...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29789305/ro-positive-interstitial-lung-disease-treated-with-cyclophosphamide
#14
Nader Habib Bedwani, Natasha Jefferson, Christopher Marguerie, Jayanta Mukherjee
Interstitial lung disease (ILD) comprises a spectrum of conditions involving inflammation and/or fibrosis of the alveolar wall causing limitation in gaseous exchange. Treatment varies depending on the underlying ILD. We describe the case of a woman presenting with a productive cough who was diagnosed with community-acquired pneumonia. While on the ward she developed type-1 respiratory failure requiring continuous positive airway pressure and intensive care unit admission. Failing to respond to targeted antimicrobials she was investigated by chest high-resolution CT and autoantibody screen to identify non-infective causes of her respiratory signs and symptoms...
May 22, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29789277/applicability-of-a-web-based-individualized-exercise-intervention-in-patients-with-liver-disease-cystic-fibrosis-esophageal-cancer-and-psychiatric-disorders-process-evaluation-of-4-ongoing-clinical-trials
#15
Daniel Pfirrmann, Nils Haller, Yvonne Huber, Patrick Jung, Klaus Lieb, Ines Gockel, Krystyna Poplawska, Jörn Markus Schattenberg, Perikles Simon
BACKGROUND: In the primary and secondary prevention of civilization diseases, regular physical activity is recommended in international guidelines to improve disease-related symptoms, delay the progression of the disease, or to enhance postoperative outcomes. In the preoperative context, there has been a paradigm shift in favor of using preconditioning concepts before surgery. Web-based interventions seem an innovative and effective tool for delivering general information, individualized exercise recommendations, and peer support...
May 22, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29789014/a-review-of-scoring-systems-for-ocular-involvement-in-chronic-cutaneous-bullous-diseases
#16
REVIEW
Brendon W H Lee, Jeremy C K Tan, Melissa Radjenovic, Minas T Coroneo, Dedee F Murrell
BACKGROUND: Epidermolysis bullosa (EB) and autoimmune blistering diseases (AIBD) describe a group of rare chronic dermatoses characterized by cutaneous fragility and blistering. Although uncommon, significant ocular surface disease (OSD) may occur in both and require ophthalmological assessment. Disease scoring systems have a critical role in providing objective and accurate assessment of disease severity. The objectives of this report were, firstly, to document the prevalence and severity of ocular involvement in EB/AIBD...
May 22, 2018: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/29788954/pathogenesis-imaging-and-clinical-characteristics-of-cf-and-non-cf-bronchiectasis
#17
REVIEW
Jürgen Schäfer, Matthias Griese, Ravishankar Chandrasekaran, Sanjay H Chotirmall, Dominik Hartl
Bronchiectasis is a common feature of severe inherited and acquired pulmonary disease conditions. Among inherited diseases, cystic fibrosis (CF) is the major disorder associated with bronchiectasis, while acquired conditions frequently featuring bronchiectasis include post-infective bronchiectasis and chronic obstructive pulmonary disease (COPD). Mechanistically, bronchiectasis is driven by a complex interplay of inflammation and infection with neutrophilic inflammation playing a predominant role. The clinical characterization and management of bronchiectasis should involve a precise diagnostic workup, tailored therapeutic strategies and pulmonary imaging that has become an essential tool for the diagnosis and follow-up of bronchiectasis...
May 22, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29788800/relationship-between-ykl-40-and-pulmonary-arterial-hypertension-in-systemic-sclerosis
#18
Tetsuya Furukawa, Kiyoshi Matsui, Masayasu Kitano, Yuichi Yokoyama, Masahiro Sekiguchi, Naoto Azuma, Yasutomo Imai, Seiichi Hirota, Kiyofumi Yamanishi, Hajime Sano
OBJECTIVES: Systemic sclerosis (SSc) is an intractable connective tissue disease that causes skin and organ fibrosis. Interstitial lung disease (ILD) and pulmonary arterial hypertension (PAH) affect its prognosis. YKL-40 protein impacts inflammation and tissue remodeling. Therefore, we evaluated the utility of YKL-40 blood levels in identifying patients with SSc complicated by PAH, as confirmed by immunohistochemistry (IHC) examination. METHODS: We retrospectively analyzed 78 patients with SSc and performed IHC on 7 normal and 7 SSc skin samples in the Japanese population...
May 23, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29788462/clinicopathological-predictors-for-progression-of-chronic-kidney-disease-in-nephrosclerosis-a-biopsy-based-cohort-study
#19
Masayuki Yamanouchi, Junichi Hoshino, Yoshifumi Ubara, Kenmei Takaichi, Keiichi Kinowaki, Takeshi Fujii, Kenichi Ohashi, Koki Mise, Tadashi Toyama, Akinori Hara, Miho Shimizu, Kengo Furuichi, Takashi Wada
Background: Biopsy-based studies on nephrosclerosis are lacking and the clinicopathological predictors for progression of chronic kidney disease (CKD) are not well established. Methods: We retrospectively assessed 401 patients with biopsy-proven nephrosclerosis in Japan. Progression of CKD was defined as new-onset end-stage renal disease, decrease of estimated glomerular filtration rate (eGFR) by  ≥50% or doubling of serum creatinine, and the sub-distribution hazard ratio (SHR) with 95% confidence interval (CI) for CKD progression was determined for various clinical and histological characteristics in competing risks analysis...
May 19, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29788122/viewpoint-toward-the-genetic-architecture-of-disease-severity-in-inflammatory-bowel-diseases
#20
Claire Liefferinckx, Denis Franchimont
Inflammatory bowel disease (IBD) is characterized by uneven disease courses with various clinical outcomes. A few prognostic markers of disease severity may help stratify patients and identify those who will benefit the most from early aggressive treatment. The concept of disease severity remains too broad and vague, mainly because the definition must embrace several disease mechanisms, mainly inflammation and fibrosis, with various rates of disease progression. The magnitude of inflammation is an obvious key driver of disease severity in IBD that ultimately influence disease behavior...
May 17, 2018: Inflammatory Bowel Diseases
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