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https://www.readbyqxmd.com/read/28531801/ace-2-ang1-7-mas-cascade-mediates-ace-inhibitor-captopril-protective-effects-in-estrogen-deficient-osteoporotic-rats
#1
Hatem M Abuohashish, Mohammed M Ahmed, Dina Sabry, Mahmoud M Khattab, Salim S Al-Rejaie
The local role of the renin angiotensin system (RAS) was documented recently beside its conventional systemic functions. Studies showed that the effector angiotensin II (AngII) alters bone health, while inhibition of the angiotensin converting enzyme (ACE-1) preserved these effects. The newly identified Ang1-7 exerts numerous beneficial effects opposing the AngII. Thus, the current study examines the role of Ang1-7 in mediating the osteo-preservative effects of ACEI (captopril) through the G-protein coupled Mas receptor using an ovariectomized (OVX) rat model of osteoporosis...
May 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28531555/microbial-detoxification-of-carvedilol-a-%C3%AE-adrenergic-antagonist-by-the-filamentous-fungus-cunninghamella-echinulata
#2
Katarzyna Zawadzka, Przemysław Bernat, Aleksandra Felczak, Katarzyna Lisowska
Beta adrenergic antagonists like carvedilol are typical environmental pollutants detected in wastewater and surface water. Human metabolism of carvedilol is well investigated, while its environmental fates are still unknown. In recent years, there have been appearing reports on high toxicity of β-blockers toward aquatic organisms. In this paper the ability of the filamentous fungus C. echinulata to eliminate the β-blocker has been described for the first time. An 83% loss of carvedilol was observed after 120 h incubation of the tested fungus with the compound, where hydroxylated carvedilol metabolites were identified as the major biotransformation products...
May 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28531239/current-trends-of-hypertension-treatment-in-the-united-states
#3
Shreya J Shah, Randall S Stafford
BACKGROUND: To examine current patterns of hypertension (HTN) treatment in the United States, including blood pressure (BP) control, prevalence of different antihypertensive agents, and variations in treatment associated with patient and physician characteristics. METHODS: We used data from the National Disease and Therapeutic Index (NDTI), a nationally representative physician survey produced by QuintilesIMS. We selected patients with a diagnosis of HTN and identified those prescribed antihypertensive therapies...
May 22, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28530055/-pulmonary-fibrosis-induced-by-anti%C3%B6-tnf-%C3%AE-lpha-treatment
#4
Sharon Baum, Orit Schachter, Aviv Barzilai
INTRODUCTION: TNFα-targeted therapies have emerged as a new class of drugs in the treatment of various inflammatory diseases, including psoriasis. With the increasing use and longer follow-up periods of TNFα targeted therapies, a spectrum of immunological adverse events have been described, ranging from asymptomatic immunological alterations to life-threatening systemic diseases such as pulmonary fibrosis. We present a case of a 66 year old man diagnosed with psoriasis who developed pulmonary fibrosis three years after initiation of Etanercept (Enbrel) for his skin disease...
October 2016: Harefuah
https://www.readbyqxmd.com/read/28529721/the-impact-of-antihypertensives-on-kidney-disease
#5
REVIEW
Diego F Marquez, Gema Ruiz-Hurtado, Luis Ruilope
Arterial hypertension and chronic kidney disease (CKD) are intimately related. The control of blood pressure (BP) levels is strongly recommended in patients with CKD in order to protect the kidney against the accompanying elevation in global cardiovascular (CV) risk. Actually, the goal BP in patients with CKD involves attaining values <140/90 mmHg except if albuminuria is present. In this case, it is often recommended to attain values <130/80 mmHg, although some guidelines still recommend <140/90 mmHg...
2017: F1000Research
https://www.readbyqxmd.com/read/28529582/angiotensin-ii-receptor-blockers-induce-autophagy-in-prostate-cancer-cells
#6
Yunseo Woo, Yu-Jin Jung
Angiotensin II receptor blockers (ARBs) are anti-hypertensive drugs that competitively inhibit the binding of angiotensin II to its receptor, resulting in blood vessel dilation and the reduction of blood pressure. These antagonists are also known as sartans, and are a group of pharmaceuticals that possess tetrazole or imidazole groups. In the present study, the anticancer and antimetastatic effects of the ARBs fimasartan, losartan, eprosartan and valsartan on the human prostate cancer PC-3, DU-145 and LNCap-LN3 cell lines were investigated in vitro...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28527884/adjuvant-medications-that-improve-survival-after-locoregional-therapy
#7
F Edward Boas, Etay Ziv, Hooman Yarmohammadi, Karen T Brown, Joseph P Erinjeri, Constantinos T Sofocleous, James J Harding, Stephen B Solomon
PURPOSE: To determine if outpatient medications taken at the time of liver tumor embolization or ablation affect survival. MATERIALS AND METHODS: A retrospective review was done of 2,032 liver tumor embolization, radioembolization, and ablation procedures performed in 1,092 patients from June 2009 to April 2016. Pathology, hepatocellular carcinoma (HCC) stage (American Joint Committee on Cancer), neuroendocrine tumor (NET) grade, initial locoregional therapy, overall survival after initial locoregional therapy, Child-Pugh score, Eastern Cooperative Oncology Group performance status, Charlson Comorbidity Index, and outpatient medications taken at the time of locoregional therapy were analyzed for each patient...
May 17, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28527849/role-of-piezo-channels-in-ultrasound-stimulated-dental-stem-cells
#8
Qianhua Gao, Paul R Cooper, A Damien Walmsley, Ben A Scheven
INTRODUCTION: Piezo1 and Piezo2 are mechanosensitive membrane ion channels. We hypothesized that Piezo proteins may play a role in transducing ultrasound-associated mechanical signals and activate downstream mitogen-activated protein kinase (MAPK) signaling processes in dental cells. In this study, the expression and role of Piezo channels were investigated in dental pulp stem cells (DPSCs) and periodontal ligament stem cells (PDLSCs) after treatment with low-intensity pulsed ultrasound (LIPUS)...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28527109/erratum-to-clinical-pharmacokinetics-of-sacubitril-valsartan-lcz696-a-novel-angiotensin-receptor-neprilysin-inhibitor
#9
Surya Ayalasomayajula, Thomas Langenickel, Parasar Pal, Sreedevi Boggarapu, Gangadhar Sunkara
Sacubitril/valsartan (LCZ696) is indicated for the treatment of heart failure with reduced ejection fraction. Absorption of sacubitril/valsartan and conversion of sacubitril (prodrug) to sacubitrilat (neprilysin inhibitor) was rapid with maximum plasma concentrations of sacubitril, sacubitrilat, and valsartan (angiotensin receptor blocker) reaching within 0.5, 1.5-2.0, and 2.0-3.0 h, respectively. With a twofold increase in dose, an increase in the area under the plasma concentration-time curve was proportional for sacubitril, ~1...
May 19, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28527058/headache-and-arterial-hypertension
#10
Cinzia Finocchi, Davide Sassos
Elevated blood pressure (BP) and headache have long been linked in the medical literature. Headache associated with arterial hypertension is a main concern in emergency department. It is believed that headache may be a symptom attributed to arterial hypertension only if the BP values are very high or rise quickly. Many studies support the hypothesis that migraine patients have an increased risk of developing hypertension, while hypertensive subjects do not seem to have an increased risk of migraine or other types of headache...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28526869/blocking-of-carnitine-palmitoyl-transferase-1-potently-reduces-stress-induced-depression-in-rat-highlighting-a-pivotal-role-of-lipid-metabolism
#11
Anne Skøttrup Mørkholt, Ove Wiborg, Jette G K Nieland, Søren Nielsen, John Dirk Nieland
Major depressive disorder is a complex and common mental disease, for which the pathology has not been elucidated. The purpose of this study is to provide knowledge about the importance of mitochondrial dysfunction, dysregulated lipid metabolism and inflammation. Mitochondrial carnitine palmitoyl transferase 1a (CPT1a) is a key molecule involved in lipid metabolism and mutations in CPT1a causing reduced function is hypothesized to have a protective role in the development of depression. Moreover, CPT1a is found to be upregulated in suicide patients with history of depression...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526610/11-12-epoxyeicosatrienoic-acid-11-12-eet-reduces-excitability-and-excitatory-transmission-in-the-hippocampus
#12
Nandkishor K Mule, Anette C Orjuela Leon, John R Falck, Michael Arand, Anne Marowsky
Recent studies suggest a role for the arachidonic acid-derived epoxyeicosatrienoic acids (EETs) in attenuating epileptic seizures. However, their effect on neurotransmission has never been investigated in detail. Here, we studied how 11,12- and 14,15 EET affect excitability and excitatory neurotransmission in mouse hippocampus. 11,12 EET (2 μM), but not 14,15 EET (2 μM), induced the opening of a hyperpolarizing K(+) conductance in CA1 pyramidal cells. This action could be blocked by BaCl2, the G protein blocker GDPβ-S and the GIRK1/4 blocker tertiapin Q and the channel was thus identified as a GIRK channel...
May 16, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28526465/-selective-lobar-blockade-with-a-coopdech-blocker-combined-with-a-double-lumen-endotracheal-tube-for-lung-metastases-resection-by-laser
#13
Patricia Cruz, Hugo David Orozco, Ignacio Garutti Martinez, Gloria Hernández Fernández
In recent years, laser resection of lung metastases has been established as the standard procedure worldwide. To avoid airway fire, it is necessary to collapse the surgical lung. The selective lobar bronchial blockade is a technique that allows one-lung ventilation while the operated lobe is collapsed in patients with previous pulmonary resection requiring subsequent resection or with limited pulmonary reserve. We report a clinical case about our experience of a selective lobar bronchial blockade technique with a bronchial blocker (Coopdech endobronchial blocker) that was employed successfully with a double-lumen endotracheal tube in a patient with previous contralateral pulmonary resection who was scheduled for atypical resections of pulmonary metastases by laser...
May 16, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28526335/the-spider-toxin-ph%C3%AE-1%C3%AE-recombinant-possesses-strong-analgesic-activity
#14
Flavia Karine Rigo, Gabriela Trevisan, Samira Dal-Toé De Prá, Marta Nascimento Cordeiro, Marcia Helena Borges, Juliana Figueiredo Silva, Flavia Viana Santa Cecilia, Alessandra Hubner de Souza, Gabriela de Oliveira Adamante, Alessandra Marcon Milioli, Célio José de Castro Junior, Juliano Ferreira, Marcus Vinicius Gomez
The native Phα1β - a Voltage-Gated Calcium Channel (VGCC) blocker - and its Recombinant Version - were both tested in rodent pain models with an intraplantar injections of capsaicin or formalin, a chronic constriction injury, and melanoma cancer related pain. The formalin nociceptive behaviour in the neurogenic phase was not affected by the toxin pre-treatments, while in the inflammatory phase, Phα1β and the Recombinant form caused a significant reduction. The nociception that was triggered by capsaicin, an agonist of the TRPV1 vanilloid receptor, was totally blocked by 100 pmol/site, i...
May 17, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28526162/pharmacologic-considerations-of-anesthetic-agents-in-pediatric-patients-a-comprehensive-review
#15
REVIEW
Alan D Kaye, Charles J Fox, Ira W Padnos, Ken P Ehrhardt, James H Diaz, Elyse M Cornett, Debbie Chandler, Sudipta Sen, Shilpadevi Patil
Acute pain in the pediatric population has important differences in terms of biology, intrapopulation variation, and epidemiology. Discussion as to the pharmacologic considerations of anesthetic agents, such as induction agents, neuromuscular blockers, opioids, local anesthetics, and adjuvant agents, is presented in this article. Special considerations and concerns, such as risk for propofol infusion syndrome and adverse potential side effects of anesthesia agents, are discussed. Anesthesiologists managing pediatric patients need to have a firm understanding of physiologic and pharmacologic differences compared with the adult population...
June 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/28526152/pharmacologic-properties-of-novel-local-anesthetic-agents-in-anesthesia-practice
#16
REVIEW
Chih H King, Sascha S Beutler, Alan D Kaye, Richard D Urman
Therapeutic duration of traditional local anesthetics when used in peripheral nerve blocks is normally limited. This article describes novel approaches to extend the duration of peripheral nerve blocks currently available or in development. Three newer approaches on extending the duration of peripheral nerve blocks include site-1 sodium channel blockers, novel local anesthetics delivery systems, and novel adjuvants of local anesthetics. Compared with plain amide-based and ester-based local anesthetics, alternative approaches show significant promise in decreasing postoperative pain, rescue opioid requirement, hospital length-of-stay, and overall health care cost, without compromising the established safety profile of traditional local anesthetics...
June 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/28526149/pharmacogenomics-in-anesthesia
#17
REVIEW
Ramsey Saba, Alan D Kaye, Richard D Urman
A significant number of commonly administered medications in anesthesia show wide clinical interpatient variability. Some of these include neuromuscular blockers, opioids, local anesthetics, and inhalation anesthetics. Individual genetic makeup may account for and predict cardiovascular outcomes after cardiac surgery. These interactions can manifest at any point in the perioperative period and may also only affect a specific system. A better understanding of pharmacogenomics will allow for more individually tailored anesthetics and may ultimately lead to better outcomes, decreased hospital stays, and improved patient satisfaction...
June 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/28525959/challenges-and-opportunities-in-targeting-the-cd28-ctla-4-pathway-in-transplantation-and-autoimmunity
#18
Rebecca L Crepeau, Mandy L Ford
Introduction T cell activation is a complex process that requires multiple cell signaling pathways, including a primary recognition signal and additional costimulatory signals. One of the best-characterized costimulatory pathways includes the Ig superfamily members CD28 and CTLA-4 and their ligands CD80 and CD86. Areas Covered This review discusses past, current and future biological therapies that have been utilized to block the CD28/CTLA-4 cosignaling pathway in the settings of autoimmunity and transplantation, as well the challenges facing successful implementation of these therapies...
May 19, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28525897/a-cellular-platform-for-the-evaluation-of-immune-checkpoint-molecules
#19
Sabrina Jutz, Annika Hennig, Wolfgang Paster, Ömer Asrak, Dejana Dijanovic, Florian Kellner, Winfried F Pickl, Johannes B Huppa, Judith Leitner, Peter Steinberger
Blockade of the T cell coinhibitory molecules CTLA-4 and PD-1 has clinical utility to strengthen T cell responses. In addition to these immune checkpoints an ever-growing number of molecules has been implicated in generating coinhibitory signals in T cells. However, investigating coinhibitory molecules in primary human cells is complicated by the restricted expression and promiscuity of both coinhibitory receptors and their ligands. Here we have evaluated the potential of fluorescence-based transcriptional reporters based on the human Jurkat T cell line in conjunction with engineered T cell stimulator cell lines for investigating coinhibitory pathways...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525411/beta-blockers-and-traumatic-brain-injury-a-systematic-review-meta-analysis-and-eastern-association-for-the-surgery-of-trauma-guideline
#20
Aziz S Alali, Kaushik Mukherjee, Victoria A McCredie, Eyal Golan, Prakesh S Shah, James M Bardes, Susan E Hamblin, Elliott R Haut, James C Jackson, Kosar Khwaja, Nimitt J Patel, Satish R Raj, Laura D Wilson, Avery B Nathens, Mayur B Patel
OBJECTIVE: To determine if beta-(β)-blockers improve outcomes after acute traumatic brain injury (TBI). BACKGROUND: There have been no new inpatient pharmacologic therapies to improve TBI outcomes in a half-century. Treatment of TBI patients with β-blockers offers a potentially beneficial approach. METHODS: Using MEDLINE, EMBASE, and CENTRAL databases, eligible articles for our systematic review and meta-analysis (PROSPERO CRD42016048547) included adult (age ≥ 16 years) blunt trauma patients admitted with TBI...
May 18, 2017: Annals of Surgery
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