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https://www.readbyqxmd.com/read/29902630/the-role-of-agonist-induced-activation-and-inhibition-for-the-regulation-of-purinergic-receptor-expression-in-human-platelets
#1
Juergen Koessler, Valerie-Noelle Trulley, Andrea Bosch, Katja Weber, Angela Koessler, Markus Boeck, Anna Kobsar
INTRODUCTION: Adenosine diphosphate (ADP) as physiological activator of human platelets mediates its effects via three purinergic receptors: P2Y1, P2Y12 and P2X1. The inhibition of P2Y12 is used pharmacologically to suppress aggregation underlining the physiological significance of this receptor. Since the regulation of purinergic receptor expression has not thoroughly been investigated yet, this study analyzed the content of purinergic receptors on the platelet surface membrane upon activation and inhibition...
June 5, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29884402/variable-role-of-patent-ductus-arteriosus
#2
REVIEW
Jennifer Shepherd, Kai-Hsiang Hsu, Shahab Noori
Although patent ductus arteriosus is essential in fetal life, interventions to close or minimize the adverse hemodynamic effects associated with the left-to-right shunt are often needed after birth, especially in extremely premature infants. However, there are clinical conditions where maintaining patency of the ductus is essential for survival. In this article we discuss use of prostaglandin E1 in the management of congenital heart defects, pulmonary hypertension and left ventricular failure in early neonatal period...
June 1, 2018: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29780814/targeting-chronic-myeloid-leukemia-stem-cells-can-transcriptional-program-be-a-druggable-target-for-cancers
#3
REVIEW
Yosuke Masamoto, Mineo Kurokawa
Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm resulting from acquisition of constitutively active BCR-ABL protein tyrosine kinase in a hematopoietic stem cell (HSC). Though tyrosine kinase inhibitors (TKIs) have changed a fatal disease into manageable disease, most patients cannot discontinue TKI treatment due to persistence of TKI-resistant leukemia stem cells (LSCs). Much effort has been made to find out factors or pathways specifically operating in LSCs to selectively target LSCs, with some promising results at least in preclinical models...
2018: Stem Cell Investigation
https://www.readbyqxmd.com/read/29742969/perioperative-and-anesthetic-considerations-in-interrupted-aortic-arch
#4
Nelson Burbano-Vera, Katherine L Zaleski, Gregory J Latham, Viviane G Nasr
Interrupted aortic arch (IAA) is defined as the loss of luminal continuity between the ascending and descending aorta and is classified based on the anatomic level of interruption. IAA is associated with a number of intracardiac anomalies with the most common being patent ductus arteriosus, ventricular septal defect, and left ventricular outflow obstruction. There is also a strong association between type B interruption and 22q11 deletion syndrome. The perioperative management of the neonate with IAA begins in the intensive care unit with optimization of end-organ perfusion and function...
May 1, 2018: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29728334/intracoronary-infusion-of-alprostadil-and-nitroglycerin-with-targeted-perfusion-microcatheter-in-stemi-patients-with-coronary-slow-flow-phenomenon
#5
Xincheng Sheng, Song Ding, Heng Ge, Yujun Sun, Lingcong Kong, Jie He, Jun Pu, Ben He
BACKGROUND: The treating aims of ST-segment elevation myocardial infarction (STEMI) are vessels recanalization and coronary flow restoration. Coronary slow flow phenomenon (CSFP) is one of the common complications in STEMI patients after percutaneous coronary intervention (PCI) and leads to a higher incidence of adverse clinical outcomes. Alprostadil is a kind of liposomal prostaglandin E1 with beneficial effects on vasodilation, platelet disaggregation and fibrinolysis. But it still remains unclear that whether alprostadil can improve the coronary perfusion in STEMI patients with CSFP after PCI...
April 25, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29707370/successful-repair-of-neonatal-tricuspid-regurgitation-due-to-chordae-rupture
#6
Jun-Yen Pan, Chu-Chuan Lin, Jen-Ping Chang
Neonatal rupture of the chordae of tricuspid valve with severe regurgitation is rare and disastrous. We report on a full-term female neonate presented with cyanosis caused by severe tricuspid regurgitation (TR) due to anterior leaflet chordal rupture. After initial stabilization by prostaglandin E1 infusion, successful early repair was achieved with artificial chordae implantation. The unique pathophysiology and the therapeutic strategy of this situation will be described.
March 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29689479/lipo-prostaglandin-e1-improves-renal-hypoxia-evaluated-by-bold-mri-in-patients-with-diabetic-kidney-disease
#7
Zhi-Cheng Li, Yu-Zhe Cai, Zhi-Gang Tang, Pan-Li Zuo, Rong-Bo Liu, Fang Liu
OBJECTIVE: To evaluate the effect of lipo-PGE1 on renal hypoxia in patients with DKD by BOLD-MRI. MATERIALS AND METHODS: All patients were divided into DKD group and CKD-without-diabetes group. All patients received intravenous 10 μg lipo-PGE1 once daily for 14 days. BOLD-MRI was performed before and after lipo-PGE1 administration to acquire renal CR2* and MR2* values. RESULTS: Renal MR2* value in DKD group after lipo-PGE1 treatment were significantly decreased compared with the baseline...
April 17, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29649938/preoperative-physiology-imaging-and-management-of-interrupted-aortic-arch
#8
Kevin Friedman
Interrupted aortic arch (IAA) is a rare form of critical neonatal heart disease in which there is lack of continuity between the ascending aorta and the descending thoracic aorta. In the absence of prenatal diagnosis, patients with IAA present in shock when the patent ductus arteriosus closes. Diagnosis can generally be made by echocardiography, and initiation of prostaglandin E1 infusion allows for adequate lower body perfusion prior to surgical repair. Full neonatal repair can be achieved with good outcomes in most cases...
April 1, 2018: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29599617/resolvin-e1-inhibits-osteoclastogenesis-and-bone-resorption-by-suppressing-il-17-induced-rankl-expression-in-osteoblasts-and-rankl-induced-osteoclast-differentiation
#9
Yoshihiro Funaki, Yasuyuki Hasegawa, Ryota Okazaki, Akira Yamasaki, Yuriko Sueda, Akihiro Yamamoto, Masaaki Yanai, Takehito Fukushima, Tomoya Harada, Haruhiko Makino, Eiji Shimizu
Background: Resolvin E1 (RvE1) derived from the ω-3 polyunsaturated fatty acid eicosapentaenoic acid is known to be a potent pro-resolving lipid mediator that prevents chronic inflammation and osteoclastogenesis. We investigated the inhibitory effects of RvE1 on osteoclastogenesis and bone resorption to clarify its therapeutic potential for rheumatoid arthritis (RA). Methods: Receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclast differentiation was assessed with tartrate-resistant acid phosphatase staining...
March 2018: Yonago Acta Medica
https://www.readbyqxmd.com/read/29594456/combined-pharmacotherapy-for-osteonecrosis-of-the-femoral-head-after-severe-acute-respiratory-syndrome-and-interstitial-pneumonia-two-and-a-half-to-fourteen-year-follow-up
#10
Weiguo Wang, Nianfei Zhang, Wanshou Guo, Fuqiang Gao
PURPOSE: The purpose of this study was to retrospectively analyze the clinical, functional, and radiological outcomes of combined pharmacotherapy to ONFH after high-dose corticosteroid therapy. METHOD: From August 2003 to June 2015, five patients (ten hips) of ONFH in ARCO stage I, after SARS and Interstitial pneumonia, were treated by combined pharmacotherapy. Lipo-prostaglandin E1 10 μg iv Bid × 28 days, enoxaparin 6000 iu H QD × 12 weeks, alendronate sodium tablet 10 mg QD × 1 year...
March 28, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29530125/-protective-effect-of-prostaglandin-e1-against-brain-injury-induced-by-hyperoxia-in-neonatal-rats
#11
Shan Yang, You-Chen Zhang, Hui-Wen Li, Zheng-Yong Jin
OBJECTIVE: To investigate the protective effect of prostaglandin E1 (PGE-1) against brain injury induced by hyperoxia in neonatal rats and observe the changes in the expression of glucose-regulated protein 78 (GRP78) and cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP), and to provide a theoretical basis for the clinical application of PGE-1 in the treatment of neonatal brain injury induced by hyperoxia. METHODS: Sixty neonatal Wistar rats were randomly divided into air control group, hyperoxic brain injury model group, and hyperoxic brain injury+PGE-1 group...
March 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29527378/it-is-not-always-sepsis-fatal-tachypnea-in-a-newborn
#12
Rachel Levene, Elza Pollak-Christian, Ashish Garg, Michael Keenaghan
Coarctation of the aorta (CoA) is a congenital cardiac malformation that is well understood. Despite being well characterized, CoA is a commonly missed congenital heart disease (CHD) during the newborn period. We report a full-term nine-day-old male who presented to the pediatric emergency department (ED) with isolated tachypnea. After an initial sepsis workup, subsequent investigations revealed critical CoA. Because the primary workup focused on sepsis, there was a significant delay in prostaglandin E1 (PGE1 ) initiation...
2018: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29524409/metabololipidomic-profiling-of-functional-immunoresolvent-clusters-and-eicosanoids-in-mammalian-tissues
#13
Paul C Norris, Charles N Serhan
Metabolomics enables a systems approach to interrogate the bioactive mediators, their pathways and further metabolites involved in the physiology and pathophysiology of human and animal tissues. New metabololipidomic approaches with mass spectrometry presented in this brief review can now be utilized for the identification and profiling of lipid mediator networks that control inflammation-resolution in human blood and healthy and diseased solid tissues. Coagulation of blood is a protective response that prevents excessive bleeding on injury of blood vessels...
March 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29511679/prostaglandin-e1-preconditioning-attenuates-liver-ischemia-reperfusion-injury-in-a-rat-model-of-extrahepatic-cholestasis
#14
Feng Xu, Xiaolin Liu, Chao Wang, Chaoliu Dai
The aim of this study is to explore the hepatoprotective effect of intraportal prostaglandin E1 (PGE1) on liver ischemia reperfusion (IR) injury using an extrahepatic cholestatic model, observing oxidative stress markers, proinflammatory factors, apoptotic marker proteins, and an adhesion molecule. The extrahepatic cholestatic model was induced by common bile duct ligation. After seven days, rats were subjected to ischemia by Pringle maneuver for 15 min, followed by 1, 6, or 24 h of reperfusion. Prostaglandin E1 (PGE group) or normal saline (NS group) was continuously infused from 15 min before liver ischemia to 1 h after reperfusion...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29486048/prostaglandin-e1-for-maintaining-ductal-patency-in-neonates-with-ductal-dependent-cardiac-lesions
#15
REVIEW
Smita Akkinapally, Shilpa G Hundalani, Madhulika Kulkarni, Caraciolo J Fernandes, Antonio G Cabrera, Binoy Shivanna, Mohan Pammi
BACKGROUND: Prostaglandin E1 (PGE1) is used to keep the ductus arteriosus patent and can be life-saving in neonates with ductal-dependent cardiac lesions. PGE1 is used to promote mixing of pulmonary and systemic blood flow or improve pulmonary or systemic circulations, prior to balloon atrial septostomy or surgery. PGE1 therapy may cause several short-term and long-term adverse effects. The efficacy and safety of PGE1 in neonates with ductal-dependent cardiac lesions has not been systematically reviewed...
February 27, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29448512/thymosin-%C3%AE-4-reduces-h%C3%A2-o%C3%A2-induced-oxidative-stress-in-mc3t3-e1-cells-on-titanium-surface
#16
Baik-Dong Choi, Do-Seon Lim, Seung-Yeon Lee, Tae-Hee Nho, Soon-Jeong Jeong, Yeong-Mu Ko, Sung-Nam Gang, Young-Joon Kim, Xing-Hui Piao, Moon-Jin Jeong
Thymosin β4 (Tβ4) is known to inhibit an inflammatory response and to increase the survival of osteoblasts on titanium (Ti) surfaces. Ti is the most widely used graft material in dentistry; however, an inflammatory response induced following implant placement results in the generation of reactive oxygen species (ROS). The oxidative stress from the production of ROS such as nitric oxide (NO) and hydrogen peroxide (H2O2) can damage surrounding cells, resulting in implant failure by decreasing cell viability...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29417353/perioperative-management-with-phosphodiesterase-type-5-inhibitor-and-prostaglandin-e1-for-moderate-portopulmonary-hypertension-following-adult-to-adult-living-donor-liver-transplantation-a-case-report
#17
Takashi Onoe, Asuka Tanaka, Kohei Ishiyama, Kentaro Ide, Hirotaka Tashiro, Hideki Ohdan
BACKGROUND: Portopulmonary hypertension (PPH) is a relatively rare but well-recognized complication of end-stage liver disease. Moderate or severe PPH (mean pulmonary artery pressure [mPAP] ≥ 35 mmHg) is usually a contraindication for liver transplantation due to high operation-related mortality. Here, we report on a patient with moderate PPH whose condition was successfully managed with a phosphodiesterase type 5 (PDE5) inhibitor (tadalafil) and prostaglandin E1, who experienced rapid improvement of PPH after living-donor liver transplantation (LDLT)...
February 7, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29356126/acute-vascular-reaction-due-to-lipo-prostaglandin-e1
#18
LETTER
Y Fujimura, M Watanabe, K Natsuga, H Shimizu
No abstract text is available yet for this article.
January 22, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29355159/colour-doppler-sonography-of-the-penis-in-the-evaluation-of-erectile-dysfunction-our-experience-in-abuja-nigeria
#19
Joshua Oluwafemi Aiyekomogbon, Joseph Bako Igashi, Reuben Omokafe Lawan, Muftau Jimoh Bioku, Musa Ameadaji
BACKGROUND: Erectile dysfunction (ED) is an inability to achieve and maintain erectile rigidity sufficient for satisfactory sexual performance. It is either organic or psychogenic in origin. This study was aimed at establishing vasculogenic causes among patients being evaluated for ED using triplex Doppler Ultrasound. PATIENTS AND METHODS: This study was conducted at the Department of Radiology, Federal Medical Centre, Abuja, Nigeria from July 2015 to January 2017...
October 2017: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29311680/inhibition-of-insulin-resistance-by-pge1-via-autophagy-dependent-fgf21-pathway-in-diabetic-nephropathy
#20
Wei Wei, Xing-Rong An, Shi-Jie Jin, Xiao-Xue Li, Ming Xu
Insulin resistance is a critical process in the initiation and progression of diabetic nephropathy (DN). Alprostadil (Prostaglandin E1, PGE1) had protective effects on renal function. However, it is unknown whether PGE1 inhibited insulin resistance in renal tubule epithelial cells via autophagy, which plays a protective role in DN against insulin resistance. Insulin resistance was induced by palmitic acid (PA) in human HK-2 cells, shown as the decrease of insulin-stimulated AKT phosphorylation, glucose transporter-4 (GLUT4), glucose uptake and enhanced phosphorylation of insulin receptor substrate 1(IRS-1) at site serine 307 (pIRS-1ser307) and downregulated expression of IRS-1...
January 8, 2018: Scientific Reports
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