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https://www.readbyqxmd.com/read/29128090/crocus-sativus-l-aqueous-extract-reduces-atherogenesis-increases-atherosclerotic-plaque-stability-and-improves-glucose-control-in-diabetic-atherosclerotic-animals
#1
Ei Christodoulou, N P E Kadoglou, M Stasinopoulou, O A Konstandi, C Kenoutis, Z I Kakazanis, A Rizakou, N Kostomitsopoulos, G Valsami
BACKGROUND AND AIMS: We aimed to evaluate a possible atheroprotective effect of saffron aqueous extract (SFE), and its potential anti-inflammatory mechanisms, in apoE knockout (ApoE(-/-)) mice. METHODS: Fifty male, ApoE(-/-) mice, fed a high-fat diet (HFD) for 12 weeks, were randomized into 5 groups: (1) baseline group, euthanatized, without intervention, (2) three saffron groups, receiving HFD and 30,60,90 mg/kg/day of SFE, respectively, for four weeks, per os through gavage, after reconstitution in water for injection (WFI), (3) control group (COG), receiving daily HFD and the same volume of WFI (four weeks)...
November 1, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29112932/anti-atherosclerotic-effect-of-longxuetongluo-capsule-in-high-cholesterol-diet-induced-atherosclerosis-model-rats
#2
J M Zhou, H M Wang, Y Z Lv, Z Z Wang, W Xiao
Chinese dragon's blood, the red resin of Dracaena cochinchinensis, one of the famous traditional medicines, has been used to promote blood circulation, disperse blood stasis, stop bleeding, relieve pain and muscle regeneration for thousands of years. The aims of this study were to evaluate the anti-atherosclerotic effect of Longxuetongluo Capsule (LTC), which made by total phenolic compounds of Chinese dragon's blood, in high cholesterol diet (HCD)-induced atherosclerosis model rats and explore the possible mechanism...
November 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29035781/lack-of-myeloid-fatp1-increases-atherosclerotic-lesion-size-in-ldlr-mice
#3
Liyang Zhao, Alyssa J Cozzo, Amy R Johnson, Taylor Christensen, Alex J Freemerman, James E Bear, Jeremy D Rotty, Brian J Bennett, Liza Makowski
BACKGROUND AND AIMS: Altered metabolism is an important regulator of macrophage (MΦ) phenotype, which contributes to inflammatory diseases such as atherosclerosis. Broadly, pro-inflammatory, classically-activated MΦs (CAM) are glycolytic while alternatively-activated MΦs (AAM) oxidize fatty acids, although overlap exists. We previously demonstrated that MΦ fatty acid transport protein 1 (FATP1, Slc27a1) was necessary to maintain the oxidative and anti-inflammatory AAM phenotype in vivo in a model of diet-induced obesity...
November 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28979725/effect-of-nicorandil-on-qt-dispersion-in-patients-with-stable-angina-pectoris-undergoing-elective-angioplasty-a-triple-blind-randomized-placebo-controlled-study
#4
Homa Fal Suleimani, Ali Eshraghi, Mehdi Hasanzadeh Daloee, Sara Hoseini, Nima Nakhaee
BACKGROUND: Nicorandil leads to the relaxation of fine vascular smooth muscle, and thus causes vasodilatation of major epicardial. Also, it has anti-arrhythmic and cardio-protective effects by improving reperfusion, and ultimately leads to a reduction in microvascular damage caused by percutaneous coronary intervention (PCI). OBJECTIVE: The aim of this study was to determine the effect of nicorandil on QT interval dispersion (QTd) in patients with stable angina pectoris during elective angioplasty...
August 2017: Electronic Physician
https://www.readbyqxmd.com/read/28898507/growth-differentiation-factor-15-predicts-advanced-fibrosis-in-biopsy-proven-non-alcoholic-fatty-liver-disease
#5
Bo Kyung Koo, Sung Hee Um, Dong Soo Seo, Sae Kyung Joo, Jeong Mo Bae, Jeong Hwan Park, Mee Soo Chang, Jung Ho Kim, Jieun Lee, Won-Il Jeong, Won Kim
BACKGROUND & AIMS: We explored whether growth differentiation factor 15 (GDF15) affects the histological severity of non-alcoholic fatty liver disease (NAFLD) independent of insulin resistance. METHODS: In a biopsy-proven NAFLD cohort, we measured serum GDF15 levels using enzyme-linked immunosorbent assays. RESULTS: Among 190 subjects (mean age, 53 ± 14 years; men, 52.1%), 72 (men, 65.3%) and 78 (men, 44.9%) were diagnosed with biopsy-proven non-alcoholic fatty liver (NAFL) and non-alcoholic steatohepatitis (NASH) respectively...
September 12, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28836856/the-role-of-mast-cells-and-macrophages-in-amiodarone-induced-pulmonary-fibrosis-and-the-possible-attenuating-role-of-atorvastatin
#6
E M El-Mohandes, A M Moustafa, H A Khalaf, Y F Hassan
Amiodarone (AM) is an effective anti-arrhythmic drug. We investigated the role of mast cells and macrophages on AM induced pulmonary fibrosis and the action of atorvastatin on this fibrosis. Rats were allocated into four groups; negative control (1), positive control (2), 30 mg/kg body weight/day AM (3) and AM + 10 mg/kg/day atorvastatin (4). Lungs were harvested and prepared for histology and immunohistochemistry. Hematoxylin and eosin stained sections of group 3 exhibited disorganized lung architecture. We found cellular debris in the lumen of both intrapulmonary bronchi and bronchioles with partial disruption of the thickened epithelial lining and mononuclear cellular infiltration into the lamina propria...
August 24, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28812466/florid-intussusceptive-like-microvascular-dysangiogenesis-in-a-preterm-lung
#7
Monique E De Paepe, Merline Kocheekkaran V Benny, Lauren Priolo, Francois I Luks, Svetlana Shapiro
The cellular mechanisms underlying the microvascular dysangiogenesis of bronchopulmonary dysplasia (chronic lung disease of the newborn) remain largely undetermined. We report unusual pulmonary vascular findings in a 27-week-gestation male newborn who died on the second day of life from intractable respiratory failure, following a pregnancy complicated by prolonged membrane rupture and persistent severe oligohydramnios. As expected, postmortem examination revealed pulmonary hypoplasia (lung/body weight ratio: 2...
September 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28792474/the-effects-of-selective-hematopoietic-expression-of-human-il-37-on-systemic-inflammation-and-atherosclerosis-in-ldlr-deficient-mice
#8
Geerte Hoeke, P Padmini S J Khedoe, Janna A van Diepen, Karin Pike-Overzet, Britt van de Ven, Nadia Vazirpanah, Isabel Mol, Pieter S Hiemstra, Frank J T Staal, Rinke Stienstra, Mihai G Netea, Charles A Dinarello, Patrick C N Rensen, Jimmy F P Berbée
The human cytokine interleukin (IL)-37 has potent anti-inflammatory capacities, and hematopoietic cell-specific transgenic overexpression of IL-37 in mice protects against septic shock and colitis. In the present study we investigated the effect of hematopoietic expression of IL-37 on atherosclerosis development under low-grade inflammatory conditions. Low-density lipoprotein receptor (LDLr)-deficient mice were lethally irradiated and transplanted with bone marrow from IL-37-transgenic or control wild-type mice and fed a Western-type diet (WTD; 1% cholesterol) for eight weeks...
August 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28757640/effects-of-peripheral-administration-of-a-neuromedin-u-receptor-2-selective-agonist-on-food-intake-and-body-weight-in-obese-mice
#9
T Kaisho, H Nagai, T Asakawa, N Suzuki, H Fujita, K Matsumiya, N Nishizawa, Y Kanematsu-Yamaki, K Dote, J-I Sakamoto, T Asami, S Takekawa
BACKGROUND: Neuromedin U (NMU) is a neuropeptide with various physiological functions including regulation of smooth-muscle contraction, blood pressure, stress responses, and feeding behaviors. NMU activates two distinct receptors, NMUR1 and NMUR2, which are predominantly expressed in peripheral tissues and the central nervous system, respectively. It is reported that the NMU signaling system regulates food intake and body weight via NMUR2, suggesting that an NMUR2 agonist exhibiting anorectic effects would be a potential therapy for obesity...
July 31, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28697195/fluorine-18-fdg-pet-ct-in-a-patient-with-angiomyolipoma-response-to-mammalian-target-of-rapamycin-inhibitor-therapy
#10
Hoda Anwar, Christos Sachpekidis, Matthias Schwarzbach, Antonia Dimitrakopoulou-Strauss
We report on a 27 years old female patient who was referred to our department for whole-body as well as dynamic positron emission tomography/computed tomography (dPET/CT) scan of the upper and middle abdomen with fluorine-18-fluorodeoxy glucose ((18)F-FDG), for further evaluation of a mass in the left adrenal gland region. Positron emission tomography showed a suspicious, enlarged, hypermetabolic mass with an average standardized uptake value (SUV) of 4.5 and a maximum SUV of 5.9. The patient was referred for biopsy, which revealed an angiomyolipoma, a perivascular epithelioid cell tumor (PEComa) of the adrenal gland...
May 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28514904/effects-of-viola-mandshurica-on-atherosclerosis-and-hepatic-steatosis-in-apoe-formula-see-text-via-the-ampk-pathway
#11
Sun Haeng Park, Yoon-Young Sung, Kyoung Jin Nho, Dong Sun Kim, Ho Kyoung Kim
Atherosclerosis was previously thought to be a disease that primarily involves lipid accumulation in the arterial wall. In this report, we investigated the effect of Viola mandshurica W. Becker (V. mandshurica) water extract on atherosclerosis in apolipoprotein E deficient (ApoE[Formula: see text]) mice. The administration of V. mandshurica to high-fat diet-fed mice reduced body weight, liver weight, and serum levels of lipids (total cholesterol, low-density lipoprotein-cholesterol, triglycerides), glucose, alanine transaminase, and aspartate transaminase...
2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28412911/pharmacological-therapy-of-abdominal-aortic-aneurysm-an-update
#12
Yi-Dong Wang, Zhen-Jie Liu, Jun Ren, Mei-Xiang Xiang
Abdominal aortic aneurysm (AAA), a progressive segmental abdominal aortic dilation, is associated with high mortality. AAA is characterized by inflammation, smooth muscle cell (SMC) depletion and extracellular matrix (ECM) degradation. Surgical intervention and endovascular therapy are recommended to prevent rupture of large AAAs. Unfortunately, there is no reliable pharmacological agent available to limit AAA expansion. In the past decades, extensive investigations and a body of ongoing clinical trials aimed at defining potent treatments to inhibit and even regress AAA growth...
April 13, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28409388/diethylcarbamazine-attenuates-the-expression-of-pro-fibrogenic-markers-and-hepatic-stellate-cells-activation-in-carbon-tetrachloride-induced-liver-fibrosis
#13
Maria Eduarda Rocha de França, Sura Wanessa Santos Rocha, Wilma Helena Oliveira, Laise Aline Santos, Anne Gabrielle Vasconcelos de Oliveira, Karla Patrícia Sousa Barbosa, Ana Karolina Santana Nunes, Gabriel Barros Rodrigues, Deniele Bezerra Lós, Christina Alves Peixoto
BACKGROUND AND AIM: While diethylcarbamazine citrate (DEC) displays important anti-inflammatory effects in experimental models of liver injury, the mechanisms of its action remain poorly understood. The aim of the present study was to investigate the fibrolytic potential of DEC. METHODS: Mice receive two injections of carbon tetrachloride (CCl4) per week for 8 weeks. DEC 50 mg/kg body weight was administered through drinking water during the last 12 days of liver injury...
April 13, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28323397/in-vivo-response-to-decellularized-mesothelium-scaffolds
#14
Michael J Cronce, Renea A Faulknor, Irina Pomerantseva, Xiang-Hong Liu, Scott M Goldman, Emmanuel C Ekwueme, Olive Mwizerwa, Craig M Neville, Cathryn A Sundback
Biological surgical scaffolds are used in plastic and reconstructive surgery to support structural reinforcement and regeneration of soft tissue defects. Macrophage and fibroblast cell populations heavily regulate scaffold integration into host tissue following implantation. In the present study, the biological host response to a commercially available surgical scaffold (Meso BioMatrix Surgical Mesh (MBM)) was investigated for up to 9 weeks after subcutaneous implantation; this scaffold promoted superior cell migration and infiltration previously in in vitro studies relative to other commercially available scaffolds...
March 21, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28176948/theophylline-action-on-primary-human-bronchial-epithelial-cells-under-proinflammatory-stimuli-and-steroidal-drugs-a-therapeutic-rationale-approach
#15
Luca Gallelli, Daniela Falcone, Roberto Cannataro, Mariarita Perri, Raffaele Serra, Girolamo Pelaia, Rosario Maselli, Rocco Savino, Giuseppe Spaziano, Bruno D'Agostino
Theophylline is a natural compound present in tea. Because of its property to relax smooth muscle it is used in pharmacology for the treatment of airway diseases (ie, chronic obstructive pulmonary disease, asthma). However, this effect on smooth muscle is dose dependent and it is related to the development of side effects. Recently, an increasing body of evidence suggests that theophylline, at low concentrations, also has anti-inflammatory effects related to the activation of histone deacetylases. In this study, we evaluated the effects of theophylline alone and in combination with corticosteroids on human bronchial epithelial cells under inflammatory stimuli...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27815257/sirt3-blocks-myofibroblast-differentiation-and-pulmonary-fibrosis-by-preventing-mitochondrial-dna-damage
#16
Samik Bindu, Vinodkumar B Pillai, Abhinav Kanwal, Sadhana Samant, Gökhan M Mutlu, Eric Verdin, Nickolai Dulin, Mahesh P Gupta
Myofibroblast differentiation is a key process in the pathogenesis of fibrotic diseases. Transforming growth factor-β1 (TGF-β1) is a powerful inducer of myofibroblast differentiation and is implicated in pathogenesis of tissue fibrosis. This study was undertaken to determine the role of mitochondrial deacetylase SIRT3 in TGF-β1-induced myofibroblast differentiation in vitro and lung fibrosis in vivo. Treatment of human lung fibroblasts with TGF-β1 resulted in increased expression of fibrosis markers, smooth muscle α-actin (α-SMA), collagen-1, and fibronectin...
January 1, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27766053/new-horizon-in-platelet-function-with-special-reference-to-a-recently-found-molecule-clec-2
#17
REVIEW
Yukio Ozaki, Shogo Tamura, Katsue Suzuki-Inoue
Platelets play a key role in the pathophysiological processes of hemostasis and thrombus formation. However, platelet functions beyond thrombosis and hemostasis have been increasingly identified in recent years. A large body of evidence now exists which suggests that platelets also play a key role in inflammation, immunity, malignancy, and furthermore in organ development and regeneration, such as the liver. We have recently identified CLEC-2 on the platelet membrane, which induces intracellular activation signals upon interaction of a snake venom, rhodocytin...
2016: Thrombosis Journal
https://www.readbyqxmd.com/read/27699693/elemental-and-immunohistochemical-analysis-of-the-lungs-and-hilar-lymph-node-in-a-patient-with-asbestos-exposure-a-pilot-study
#18
Yasuhiko Koga, Takahiro Satoh, Kyoichi Kaira, Masashi Koka, Takeshi Hisada, Junko Hirato, Bolag Altan, Masakiyo Yatomi, Akihiro Ono, Yosuke Kamide, Yasuo Shimizu, Haruka Aoki-Saito, Hiroaki Tsurumaki, Kimihiro Shimizu, Akira Mogi, Tamotsu Ishizuka, Masanobu Yamada, Kunio Dobashi
OBJECTIVES: Studies have shown that inhaled mine dust, such as asbestos, can be translocated to various organs including the lymph nodes. Recently, we have established a protocol that enables us to identify inhaled elements using paraffin embedded lung specimens by in-air microparticle-induced X-ray emission (micro-PIXE). However, little research has examined the concentration of these inhaled fibers in various organs or the mechanisms of their translocation. In this study, we compared the concentration of inhaled fibers in the lung parenchyma to the concentration in the hilar lymph node as well as to determine the elemental spatial distribution of the inhaled fibers in a patient with occupational asbestos exposure...
November 2016: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/27698175/canine-mammary-minute-oncocytomas-with-neuroendocrine-differentiation-associated-with-multifocal-acinar-cell-oncocytic-metaplasia
#19
Rei Nagahara, Masayuki Kimura, Megu Itahashi, Go Sugahara, Masashi Kawashima, Hirotada Murayama, Toshinori Yoshida, Makoto Shibutani
Two solitary and minute tumors of 1 and 1.5 mm diameter were identified by microscopy in the left fourth mammary gland of a 13-year-old female Labrador Retriever dog, in addition to multiple mammary gland tumors. The former tumors were well circumscribed and were composed of small-to-large polyhedral neoplastic oncocytes with finely granular eosinophilic cytoplasm, and were arranged in solid nests separated by fine fibrovascular septa. Scattered lumina of variable sizes containing eosinophilic secretory material were evident...
November 2016: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/27476938/protective-effect-of-ginsenoside-rg1-on-bleomycin-induced-pulmonary-fibrosis-in-rats-involvement-of-caveolin-1-and-tgf-%C3%AE-1-signal-pathway
#20
Heqin Zhan, Feng Huang, Wenzhuo Ma, Zhenghang Zhao, Haifang Zhang, Chong Zhang
Idiopathic pulmonary fibrosis (IPF) is a progressive disease with poor prognosis and high mortality rate. Panax Notoginseng Saponins (PNS), extracted from Panax Notoginseng as a traditional Asian medicine, displayed a significant anti-fibrosis effect in liver and lung. However, whether Ginsenoside Rg1 (Rg1), an important and active ingredient of PNS, exerts anti-fibrotic activity on IPF still remain unclear. In this study, we investigated the effect of Rg1 on bleomycin-induced pulmonary fibrosis in rats. Bleomycin (5 mg/kg body weight) was intratracheally administrated to male rats...
2016: Biological & Pharmaceutical Bulletin
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