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https://www.readbyqxmd.com/read/29218644/cardiovascular-complications-of-marijuana-and-related-substances-a-review
#1
REVIEW
Amitoj Singh, Sajeev Saluja, Akshat Kumar, Sahil Agrawal, Munveer Thind, Sudip Nanda, Jamshid Shirani
The recreational use of cannabis has sharply increased in recent years in parallel with its legalization and decriminalization in several countries. Commonly, the traditional cannabis has been replaced by potent synthetic cannabinoids and cannabimimetics in various forms. Despite overwhelming public perception of the safety of these substances, an increasing number of serious cardiovascular adverse events have been reported in temporal relation to recreational cannabis use. These have included sudden cardiac death, vascular (coronary, cerebral and peripheral) events, arrhythmias and stress cardiomyopathy among others...
December 7, 2017: Cardiology and Therapy
https://www.readbyqxmd.com/read/29209775/effect-of-aggressive-lipid-lowering-treatment-with-rosuvastatin-on-vascular-endothelium-function-evaluation-of-vascular-endothelium-function-earth-study
#2
Tadateru Takayama, Takafumi Hiro, Shunichi Yoda, Daisuke Fukamachi, Hironori Haruta, Takaaki Kogo, Takashi Mineki, Hironobu Murata, Toru Oshima, Atsushi Hirayama
Vascular endothelial dysfunction plays an important role in the process of atherosclerosis up to the final stage of plaque rupture. Vascular endothelial dysfunction is reversible, and can be recovered by medications and life-style changes. Improvement in endothelial function may reduce cardiovascular events and improve long-term prognosis. A total of 50 patients with stable angina and dyslipidemia were enrolled, including patients who had not received prior treatment with statins and had serum LDL-C levels ≥ 100 mg/dL, and patients who had previously received statin treatment...
December 5, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/29203235/sensibility-and-specificity-of-laser-speckle-contrast-imaging-according-to-endo-pat-index-in-type-1-diabetes
#3
Alessandra S de M Matheus, Maria de Fátima Bevilacqua da Matta, Eliete Leão Silva Clemente, Maria de Lourdes Guimarães Rodrigues, Débora Cristina Torres Valença, Marília B Gomes
OBJECTIVES: To find out an normality value for microvascular response (physiological and pharmacological) assessed through laser speckle contrast imaging (LSCI) based on Endo-PAT, which identifies the ones with Endothelial Dysfunction (ED) in patients with Type 1 Diabetes (T1D). METHODS: Patients with T1D, aged ≥12years underwent a clinical-epidemiological questionnaire. Fasting blood samples were obtained (lipid profile, glycemic control and levels of C-reactive protein)...
December 1, 2017: Microvascular Research
https://www.readbyqxmd.com/read/29164367/mannans-and-endo-%C3%AE-mannanase-transcripts-are-located-in-different-seed-compartments-during-brassicaceae-germination
#4
Néstor Carrillo-Barral, Angel J Matilla, María Del Carmen Rodríguez-Gacio, Raquel Iglesias-Fernández
Mannans but not endo-β-mannanases are mainly found in the mucilage layer of two Brassicaceae seeds. Nonetheless, mannanase mobilization from inner to outer seed layers cannot be ruled out. The contribution of endo-β-mannanase (MAN) genes to the germination of the wild-type Sisymbrium officinale and cultivated Brassica rapa (Brassicaceae) species has been explored. In both species, mannans have been localized to the imbibed external seed coat layer (mucilage) by fluorescence immunolocalization and MAN enzymatic activity increases in seeds as imbibition progresses, reaching a peak before 100% germination is achieved...
November 21, 2017: Planta
https://www.readbyqxmd.com/read/29158804/heparanase-contributes-to-trans-endothelial-migration-of-hepatocellular-carcinoma-cells
#5
Xiaopeng Chen, Wen Jiang, Chaofu Yue, Wenjun Zhang, Chaogang Tong, Dafei Dai, Bin Cheng, Chen Huang, Linming Lu
The overall outcome of patients with hepatocellular carcinoma (HCC) is still very poor due to its high metastasis and recurrence rate. During metastasis, trans-endothelial migration (TEM) of HCC cells is a key step. Heparanase (HPSE) is an endo-beta-glucuronidase and exerts prometastatic properties for normal and tumor-derived cells. However, it is remains unclear that HPSE contributes to TEM of HCC cells. In this study, human umbilical vein endothelial cells-C (HUVEC-C) was used to simulate vascular endothelial cells (VECs), and the HCCLM3 cells with high HPSE expression were chosen and used for in vitro TEM assay and in vivo experiment...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29141045/csf-in-the-ventricles-of-the-brain-behaves-as-a-relay-medium-for-arteriovenous-pulse-wave-phase-coupling
#6
William E Butler, Pankaj K Agarwalla, Patrick Codd
The ventricles of the brain remain perhaps the largest anatomic structure in the human body without established primary purpose, even though their existence has been known at least since described by Aristotle. We hypothesize that the ventricles help match a stroke volume of arterial blood that arrives into the rigid cranium with an equivalent volume of ejected venous blood by spatially configuring cerebrospinal fluid (CSF) to act as a low viscosity relay medium for arteriovenous pulse wave (PW) phase coupling...
2017: PloS One
https://www.readbyqxmd.com/read/29133368/transcription-factors-vnd1-vnd3-contribute-to-cotyledon-xylem-vessel-formation
#7
Tian Tian Tan, Hitoshi Endo, Ryosuke Sano, Tetsuya Kurata, Masatoshi Yamaguchi, Misato Ohtani, Taku Demura
Arabidopsis thaliana VASCULAR-RELATED NAC-DOMAIN1 (VND1) to VND7 encode a group of NAC domain transcription factors that function as master regulators of xylem vessel element differentiation. These transcription factors activate the transcription of genes required for secondary cell wall formation and programmed cell death - key events in xylem vessel element differentiation. Because constitutive overexpression of VND6 and VND7 induces ectopic xylem vessel element differentiation, functional studies of VND proteins have largely focused on these two proteins...
November 13, 2017: Plant Physiology
https://www.readbyqxmd.com/read/29117845/restoration-of-the-active-forearm-rotation-using-vascularized-free-fibular-graft-and-radial-head-arthroplasty-for-a-wide-defect-of-the-proximal-radius
#8
Ryosuke Sato, Yoshitaka Hamada, Naohito Hibino, Toshihiko Nishisho, Ichiro Tonogai, Kenji Endo, Koichi Sairyo
In this report we present a case of re-stabilization of the proximal radius using vascularized free fibular graft combined with anconeus arthroplasty to stabilize the transplanted fibula in a patient with large loss of the proximal radius due to Ewing's sarcoma. A 20-year-old woman had Ewing's sarcoma in the proximal three-fourths of the radius. The resection of large part of the radius containing radial head were necessary for removal of the sarcoma. Reconstruction of the proximal radius was performed using vascularized free fibular graft and the transplanted fibula was stabilized by attaching the anconeus to the proximal edge of the fibula...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29115553/endothelial%C3%A2-to%C3%A2-mesenchymal-transition-in-human-idiopathic-dilated-cardiomyopathy
#9
Yeqing Xie, Jianquan Liao, Yong Yu, Qi Guo, Yingzhen Yang, Junbo Ge, Haozhu Chen, Ruizhen Chen
Dilated cardiomyopathy (DCM) is characterized by left ventricular dilation and cardiac fibrosis. Emerging evidence indicated that endothelial‑to‑mesenchymal transition (Endo‑MT) is a crucial event during organ fibrosis. This study was performed to clarify whether Endo‑MT contributed to the progression of cardiac fibrosis in DCM. Cardiac samples from patients with DCM and control were obtained. The presence of endothelial markers, cluster of differentiation (CD)31 and vascular endothelial (VE)‑cadherin, and mesenchymal markers, α smooth muscle actin (SMA) and fibroblast‑specific protein 1 (FSP1) was performed using immunohistochemistry...
November 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29108775/facilitation-of-9-10-phenanthrenequinone-elicited-neuroblastoma-cell-apoptosis-by-nad-p-h-quinone-oxidoreductase-1
#10
Toshiyuki Matsunaga, Kyoko Kamase, Hiroaki Takasawa, Yukiko Yamaji, Satoshi Endo, Ossama El-Kabbani, Akira Ikari
9,10-Phenanthrenequinone (PQ), a major quinone component in diesel exhaust particles, is considered to provoke damage of respiratory and vascular cells through highly producing reactive oxygen species (ROS), but little is known about its pathophysiological role in neuronal cell damage. In this study, we found that incubation with 1,2-naphthoquinone, 1,4-naphthoquinone and PQ, major quinone components in diesel exhausts, provokes apoptosis of human neuroblastoma cell lines. SK-N-SH cell treatment with a lethal concentration of PQ facilitated ROS production within 6 h...
November 10, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29073909/genotype-driven-identification-of-a-molecular-network-predictive-of-advanced-coronary-calcium-in-clinseq%C3%A2-and-framingham-heart-study-cohorts
#11
Cihan Oguz, Shurjo K Sen, Adam R Davis, Yi-Ping Fu, Christopher J O'Donnell, Gary H Gibbons
BACKGROUND: One goal of personalized medicine is leveraging the emerging tools of data science to guide medical decision-making. Achieving this using disparate data sources is most daunting for polygenic traits. To this end, we employed random forests (RFs) and neural networks (NNs) for predictive modeling of coronary artery calcium (CAC), which is an intermediate endo-phenotype of coronary artery disease (CAD). METHODS: Model inputs were derived from advanced cases in the ClinSeq®; discovery cohort (n=16) and the FHS replication cohort (n=36) from 89 (th) -99 (th) CAC score percentile range, and age-matched controls (ClinSeq®; n=16, FHS n=36) with no detectable CAC (all subjects were Caucasian males)...
October 26, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/29067537/posterior-reversible-encephalopathy-syndrome-pres-induced-by-pazopanib-a-multi-targeting-tyrosine-kinase-inhibitor-in-a-patient-with-soft-tissue-sarcoma-case-report-and-review-of-the-literature
#12
Shoichi Deguchi, Koichi Mitsuya, Yoko Nakasu, Nakamasa Hayashi, Hirohisa Katagiri, Hideki Murata, Junji Wasa, Mitsuru Takahashi, Masahiro Endo
Posterior reversible encephalopathy syndrome (PRES) is a clinical entity characterized by acute neurological symptoms such as severe headache, seizures, and visual disturbance, and by typical reversible lesion on brain magnetic resonance (MR) images. Since PRES is thought to be caused by vascular endothelial injury due to cytotoxic agents or acute systemic hypertension, the number of reports on PRES associated with angiogenesis inhibitors has been increasing. Although five cases that developed PRES due to pazopanib for renal cell carcinoma have already been reported, none of PRES due to pazopanib for soft-tissue sarcoma has been reported thus far...
October 25, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/29050225/hcarg-commd5-inhibits-erbb-receptor-driven-renal-cell-carcinoma
#13
Hiroyuki Matsuda, Carole G Campion, Kyoko Fujiwara, Jin Ikeda, Suzanne Cossette, Thomas Verissimo, Maiko Ogasawara, Louis Gaboury, Kosuke Saito, Kenya Yamaguchi, Satoru Takahashi, Morito Endo, Noboru Fukuda, Masayoshi Soma, Pavel Hamet, Johanne Tremblay
Hypertension-related, calcium-regulated gene (HCaRG/COMMD5) is highly expressed in renal proximal tubules, where it contributes to the control of cell proliferation and differentiation. HCaRG accelerates tubular repair by facilitating re-differentiation of injured proximal tubular epithelial cells, thus improving mouse survival after acute kidney injury. Sustained hyper-proliferation and de-differentiation are important hallmarks of tumor progression. Here, we demonstrate that cancer cells overexpressing HCaRG maintain a more differentiated phenotype, while several of them undergo autophagic cell death...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28950003/the-endothelial-%C3%AE-enac-contributes-to-vascular-endothelial-function-in-vivo
#14
Antoine Tarjus, Martina Maase, Pia Jeggle, Ernesto Martinez-Martinez, Céline Fassot, Laurent Loufrani, Daniel Henrion, Pernille B L Hansen, Kristina Kusche-Vihrog, Frederic Jaisser
The Epithelial Sodium Channel (ENaC) is a key player in renal sodium homeostasis. The expression of α β γ ENaC subunits has also been described in the endothelium and vascular smooth muscle, suggesting a role in vascular function. We recently demonstrated that endothelial ENaC is involved in aldosterone-modulated endothelial stiffness. Here we explore the functional role of the endothelial αENaC subunit in vascular function in vivo. Compared to littermates, mice with conditional αENaC subunit gene inactivation in the endothelium only (endo-αENaC Knock Out mice) had no difference in their physiological parameters such as systolic blood pressure or heart rate...
2017: PloS One
https://www.readbyqxmd.com/read/28947977/generation-of-a-novel-antibody-drug-conjugate-targeting-endosialin-potent-and-durable-antitumor-response-in-sarcoma
#15
Emily Capone, Enza Piccolo, Imma Fichera, Paolo Ciufici, Daniela Barcaroli, Arturo Sala, Vincenzo De Laurenzi, Valentina Iacobelli, Stefano Iacobelli, Gianluca Sala
The endosialin/CD248/TEM1 receptor is expressed on the cell surface of tumor-associated stroma cells as well as in sarcoma and neuroblastoma cells. This receptor is emerging as an attractive molecule in diagnostics and therapeutics because of its expression across the stroma of many human tumors, the low to absent expression in normal tissues and accessibility from the vascular circulation. In this study, we present evidence of the preclinical efficacy of a novel Antibody-Drug Conjugate (ENDOS/ADC). It consists of a humanized endosialin monoclonal antibody, named hMP-E-8...
September 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28942095/changes-in-truncal-obesity-and-fat-distribution-predict-arterial-health
#16
Frank E Corrigan, Heval Mohamed Kelli, Devinder S Dhindsa, Robert E Heinl, Ibhar Al Mheid, Muhammad Hammadah, Salim S Hayek, Salman Sher, Danny J Eapen, Greg S Martin, Arshed A Quyyumi
BACKGROUND: Truncal obesity is associated with metabolic syndrome and cardiovascular risk. Although vascular health is influenced by weight, it is not known whether changes in fat distribution modulate arterial function. OBJECTIVE: We assessed how changes in truncal (android) fat at 1 year affect arterial stiffness and endothelial function. METHODS: We recruited 711 healthy volunteers (235 males, age 48 ± 11 years) into the Emory Predictive Health Study; 498 returned at 1 year...
September 1, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28867689/angptl2%C3%A3-a-new-causal-player-in-accelerating-heart-disease-development-in-the-aging
#17
Yuichi Oike, Zhe Tian, Keishi Miyata, Jun Morinaga, Motoyoshi Endo, Tsuyoshi Kadomatsu
In parallel with the increase in the number of elderly people worldwide, the number of patients with heart disease is also rapidly increasing. Of the heart diseases, cardiovascular disease (CVD) and heart failure (HF) are strongly associated with adverse health outcomes that decrease productivity in later years. Recently, ANGPTL2, a secreted glycoprotein and member of the angiopoietin-like protein family, has received attention as a causal player in the development of CVD and HF. Prolonged ANGPTL2 autocrine/paracrine signaling in vascular tissue leads to chronic inflammation and pathologic tissue remodeling, accelerating CVD development...
September 25, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28761352/use-of-angiotensin-converting-enzyme-inhibitors-and-freedom-from-amputation-after-lower-extremity-revascularization
#18
Jared E Kray, Viktor Y Dombrovskiy, Todd R Vogel
OBJECTIVE: Angiotensin-converting enzyme inhibitors (ACEIs) have not been well evaluated in conjunction with lower extremity revascularization (LER). This study evaluated freedom from amputation in patients who underwent either an open (OPEN) or endovascular (ENDO) revascularization with and without utilization of an ACEI. MATERIALS AND METHODS: Patients who underwent LER were identified from 2007-2008 Medicare Provider Analysis and Review files. Demographics, comorbidities, and disease severity were obtained...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28718364/evaluation-of-epigenetic-inactivation-of-vascular-endothelial-growth-factor-receptors-in-head-and-neck-squamous-cell-carcinoma
#19
Yuki Misawa, Kiyoshi Misawa, Hideya Kawasaki, Atsushi Imai, Daiki Mochizuki, Ryuji Ishikawa, Shiori Endo, Masato Mima, Takeharu Kanazawa, Toshihide Iwashita, Hiroyuki Mineta
The aim of this study was to determine the methylation status of the genes encoding the vascular endothelial growth factor receptors and to evaluate the usefulness of VEGFR methylation as a prognostic indicator in head and neck squamous cell carcinoma. VEGFR messenger RNA expression and promoter methylation were examined in a panel of cell lines via quantitative reverse transcription and methylation-specific polymerase chain reaction, respectively. Promoter methylation was compared with clinical characteristics in 128 head and neck squamous cell carcinoma samples...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28690287/stroke-volume-variation-svv-and-pulse-pressure-variation-ppv-as-indicators-of-fluid-responsiveness-in-sevoflurane-anesthetized-mechanically-ventilated-euvolemic-dogs
#20
Yusuke Endo, Jun Tamura, Tomohito Ishizuka, Takaharu Itami, Kiwamu Hanazono, Kenjiro Miyoshi, Tadashi Sano, Kazuto Yamashita, William W Muir
Changes in stroke volume variation (SVV) and pulse pressure variation (PPV) in response to fluid infusion were experimentally evaluated during vecuronium infusion and sevoflurane anesthesia in 5 adult, mechanically ventilated, euvolemic, beagle dogs. Sequential increases in central venous pressure (CVP; 3-7[baseline], 8-12, 13-17, 18-22 and 23-27 mmHg) were produced by infusing lactated Ringer's solution and 6% hydroxyethyl starch solution. Heart rate (beats/min), right atrial pressure (RAP, mmHg), pulmonary arterial pressure (PAP, mmHg), pulmonary capillary wedge pressure (PCWP, mmHg), transpulmonary thermodilution cardiac output (TPTDCO, l/min), stroke volume (SV, ml/beat), arterial blood pressure (ABP, mmHg), extravascular lung water (EVLW, ml), pulmonary vascular permeability index (PVPI, calculated), SVV (%), PPV (%) and systemic vascular resistance (SVR, dynes/sec/cm(5)) were determined at each predetermined CVP range...
August 18, 2017: Journal of Veterinary Medical Science
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