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Pharmacology

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https://www.readbyqxmd.com/read/28441777/health-effects-of-psidium-guajava-l-leaves-an-overview-of-the-last-decade
#1
REVIEW
Elixabet Díaz-de-Cerio, Vito Verardo, Ana María Gómez-Caravaca, Alberto Fernández-Gutiérrez, Antonio Segura-Carretero
Today, there is increasing interest in discovering new bioactive compounds derived from ethnomedicine. Preparations of guava (Psidium guajava L.) leaves have traditionally been used to manage several diseases. The pharmacological research in vitro as well as in vivo has been widely used to demonstrate the potential of the extracts from the leaves for the co-treatment of different ailments with high prevalence worldwide, upholding the traditional medicine in cases such as diabetes mellitus, cardiovascular diseases, cancer, and parasitic infections...
April 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441678/the-addiction-recovery-clinic-a-novel-primary-care-based-approach-to-teaching-addiction-medicine
#2
Stephen R Holt, Nora Segar, Dana A Cavallo, Jeanette M Tetrault
PROBLEM: Substance use is highly prevalent in the United States, but little time in the curriculum is devoted to training internal medicine residents in addiction medicine. APPROACH: In 2014, the authors developed and launched the Addiction Recovery Clinic (ARC) to address this educational gap while also providing outpatient clinical services to patients with substance use disorders. The ARC is embedded within the residency primary care practice and is staffed by three to four internal medicine residents, two board-certified addiction medicine specialists, one chief resident, and one psychologist...
May 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28441669/keep-them-breathing-cystic-fibrosis-pathophysiology-diagnosis-and-treatment
#3
Sheena D Brown, Rachel White, Phil Tobin
Cystic fibrosis (CF) affects more than 30,000 people in the United States and 80,000 people worldwide. This life-threatening genetic disorder causes a buildup of thick, viscous mucus secretions in various organ systems, most commonly the gastrointestinal, pulmonary, and genitourinary systems. This article reviews the clinical manifestations, diagnosis, and monitoring of patients with CF as well as guidelines for management and emerging pharmacologic treatments.
May 2017: JAAPA: Official Journal of the American Academy of Physician Assistants
https://www.readbyqxmd.com/read/28441382/hedgehog-signalling-pathway-orchestrates-angiogenesis-in-triple-negative-breast-cancers
#4
Concetta Di Mauro, Roberta Rosa, Valentina D'Amato, Paola Ciciola, Alberto Servetto, Roberta Marciano, Roberta Clara Orsini, Luigi Formisano, Sandro De Falco, Valeria Cicatiello, Maurizio Di Bonito, Monica Cantile, Francesca Collina, Angela Chambery, Bianca Maria Veneziani, Sabino De Placido, Roberto Bianco
BACKGROUND: Several evidences suggest a marked angiogenic dependency in triple-negative breast cancer (TNBC) tumorigenesis and a potential sensitivity to anti-angiogenic agents. Herein, the putative role of Hedgehog (Hh) pathway in regulating TNBC-dependent angiogenesis was investigated. METHODS: Expression and regulation of the Hh pathway transcription factor glioma-associated oncogene homolog1 protein (GLI1) were studied on the endothelial compartment and on TNBC-initiated angiogenesis...
April 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28441315/an-overview-of-chronic-spinal-pain-revisiting-diagnostic-categories-and-exploring-an-evolving-role-for-neurostimulation
#5
Ashwini Sharan, Jonathan Riley, Christian Hoelscher
STUDY DESIGN: Topic Overview OBJECTIVE.: To describe the varied etiologies resulting in chronic spinal pain and review the current available evidence for treatments. SUMMARY OF BACKGROUND DATA: Chronic pain conditions, especially those that affect the axial back and radiate to the extremities, affect a large population. This results in pronounced disability and a high socioeconomic burden. Our understanding of the underlying mechanisms for chronic pain is limited...
April 24, 2017: Spine
https://www.readbyqxmd.com/read/28441276/augs-consensus-statement-association-of-anticholinergic-medication-use-and-cognition-in-women-with-overactive-bladder
#6
(no author information available yet)
Overactive bladder affects a significant portion of the overall population and has substantial impact on daily activities and quality-of-life. When considering treatment, behavioral therapies should be instituted first, followed by medical therapies. Anticholinergic medications and beta-3 agonists are often used as initial pharmacologic therapy, but caution should be taken in prescribing anticholinergic medications in frail or cognitively impaired patients. Recently, concerns have developed regarding anticholinergic medications and the associated risk of cognitive impairment, dementia, and Alzheimer disease in the general population...
May 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28441119/comparable-efficacy-of-behavioral-and-pharmacological-treatments-among-african-american-and-white-cocaine-users
#7
LaTrice Montgomery, Kathleen M Carroll
Multiple randomized clinical trials (RCTs) have evaluated a range of treatments for cocaine dependence, but few of these have focused specifically on the racial diversity observed among cocaine-dependent patients. The present analyses evaluated racial variation in cocaine use and addiction-related psychosocial outcomes at baseline and follow-up among 388 African American and White adults participating in 1 of 5 RCTs evaluating a range of pharmacological and behavioral treatments for cocaine use disorders. General linear modeling (GLM) indicated significant racial variation in cocaine and psychosocial indicators at baseline...
April 25, 2017: Journal of Ethnicity in Substance Abuse
https://www.readbyqxmd.com/read/28440910/subacute-pyridostigmine-exposure-increases-heart-rate-recovery-and-cardiac-parasympathetic-tone-in-rats
#8
Manushree Bharadwaj, Carey Pope, Michael Davis, Stuart Katz, Christian Cook, Lara Maxwell
Heart rate recovery (HRR) describes the rapid deceleration of heart rate after strenuous exercise and is an indicator of parasympathetic tone. A reduction in parasympathetic tone occurs in patients with congestive heart failure, resulting in prolonged HRR. Acetylcholinesterase inhibitors, such as pyridostigmine, can enhance parasympathetic tone by increasing cholinergic input to the heart. The objective of this study was to develop a rodent model of HRR to test the hypothesis that subacute pyridostigmine administration decreases cholinesterase activity and accelerates HRR in rats...
April 25, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28440877/bdnf-nt3-regulate-ais-location-and-affect-neuronal-excitability-in-cultured-hippocampal-neurons
#9
Yu Guo, Zi-Jun Su, Yi-Kun Chen, Zhen Chai
Plasticity of the axon initial segment (AIS) has aroused great interest in recent years because it regulates action potential initiation and neuronal excitability. AIS plasticity manifests as modulation of ion channels or variation in AIS structure. However, the mechanisms underlying structural plasticity of the AIS are not well understood. Here, we combined immunofluorescence, patch-clamp recordings, and pharmacological methods in cultured hippocampal neurons to investigate the factors participating in AIS structural plasticity during development...
April 25, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28440846/viktminskning-utan-kirurgi-kr%C3%A3-ver-energirestriktion-och-f%C3%A3-ljsamhet-ger-minskat-nyinsjuknande-i-diabetes-och-f%C3%A3-rb%C3%A3-ttrade-kardiovaskul%C3%A3-ra-riskfaktorer-visar-litteraturgenomg%C3%A3-ng
#10
Ingrid Larsson, Madeléne Sandqvist, Malin Werling, Malin Wiklund, Christina Bergh, Björn Eliasson
Energy restriction and adherence required for weight loss without surgery Non-surgical weight loss treatment has not been shown to reduce mortality or cardiovascular morbidity, but can prevent diabetes mellitus and improves cardiovascular risk factors. For weight loss, energy restriction is fundamental and can lead to an average 2 to 20 kg loss over 6 to 12 months. Pharmacological treatment, behaviour therapy, physical activity and weight loss advice through web sites and smartphone applications and combinations in addition to energy restriction can contribute to further, but relatively limited weight loss up to 30 months...
April 25, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28440739/featured-article-pharmacological-postconditioning-with-delta-opioid-attenuates-myocardial-reperfusion-injury-in-isolated-porcine-hearts
#11
Maria Seewald, James A Coles, Daniel C Sigg, Paul A Iaizzo
Ischemic preconditioning has been utilized to protect the heart from ischemia prior to ischemia onset, whereas postconditioning is employed to minimize the consequences of ischemia at the onset of reperfusion. The underlying mechanisms and pathways of ischemic pre- and postconditioning continue to be investigated as therapeutic targets. We evaluated the administration of a delta opioid agonist or cariporide on various parameters associated with myocardial reperfusion injury upon reperfusion of isolated porcine hearts...
May 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28440537/speech-therapy-a-non-pharmacological-method-to-manage-difficult-to-treat-chronic-cough
#12
Karolina Krakowiak, Marta Dąbrowska, Filip Buła, Anna Łobacz, Dorota Rojek, Elżbieta M Grabczak, Antoni Krzeski, Rafał Krenke
Cough is the most common symptom of respiratory diseases. The results of management of chronic cough in adults are still unsatisfactory. Unexplained and difficult-to-treat chronic cough causes significant impairment in patients' quality of life. The results of recent studies suggest that speech therapy (speech language intervention) is one of the few methods which are usefull in management of persistent chronic cough. We present a case of a patient with chronic cough due to chronic nonallergic rhinitis and gastroesophageal reflux disease, who had been unsuccessfully treated for 18 years...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/28440467/structural-and-evolutionary-divergence-of-aquaporins-in-parasites-review
#13
Zi-Xin Ni, Jian-Min Cui, Nian-Zhang Zhang, Bao-Quan Fu
Aquaporins are ubiquitous proteins that belong to the major intrinsic protein family. Previous studies have indicated that aquaporins are involved in multiple physiological processes in parasites, such as nutrient absorption and end product efflux, and thus, would be promising pharmacological agents in the fight against parasite infection. In the present paper, the authors analyzed the evolutionary relationship of parasitic aquaporins by re‑constructing of a phylogenic tree using neighbor‑joining and maximum likelihood methods...
April 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440456/tetrahydropalmatine-inhibits-lipid-accumulation-through-ampk-signaling-pathway-in-3t3%C3%A2-l1-adipocytes
#14
Guang-Chun Piao, Guan-Cheng Liu, Xue-Jun Jin, Dan Jin, Hai-Dan Yuan
Tetrahydropalmatine (THP), one of the active components of Rhizoma corydalis, has been reported to exert several pharmacological effects, including anti‑inflammatory, anti‑tumor and analgesic activities. However, its effect on obesity and the underlying molecular mechanisms that may be involved have not yet been elucidated. In the present study, the inhibitory effects of THP on the adipogenesis in 3T3‑L1 adipocytes was examined using hstology, western blotting and RT‑qPCR. THP was identified to significantly suppress lipid accumulation in 3T3‑L1 cells and it inhibited pre‑adipocyte differentiation in a concentration‑dependent manner, as evidenced by the reduced formation of lipid droplets and decreased triglyceride levels and glycerol‑3‑phosphate dehydrogenase activity...
April 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440419/different-effects-of-%C3%A2-borneol-and-%C3%A2-%C3%A2-borneol-on-the-pharmacokinetics-of-osthole-in-rats-following-oral-administration
#15
Dan-Dan Luo, Xiao-Ying Chen, Zhen-Biao Zhang, Chao-Yue Sun, Yi-Feng Zheng, Yu-Hong Liu, Xiu-Fen Wang, Qi Wang, Janis Ya-Xian Zhan, Zi-Ren Su
Osthole is the primary active component of a number of herbal plants such as the Cnidium monnieri fruit. In traditional Chinese herb medicine, osthole is commonly used in combination with borneol to obtain improved pharmacological effects. The aim of the present study was to investigate the effect of borneol enantiomers on the pharmacokinetics of osthole. An appropriate high‑performance liquid chromatography (HPLC) method was applied to determine the concentrations of osthole in plasma. Following oral administration of osthole alone or combined with borneol in rats, blood samples were collected and analyzed by HPLC...
April 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440392/suppressive-role-of-diallyl-trisul%C3%AF-de-in-the-activated-platelet-mediated-hematogenous-metastasis-of-mda-mb-231-human-breast-cancer-cells
#16
Yuping Liu, Yang Zhao, Yingyu Wang, Pingting Zhu, Zhonghong Wei, Siliang Wang, Li Tao, Zhaoguo Liu, Hongyan Wu, Xiaobo Sheng, Yin Lu
Accumulating evidence has indicated that garlic consumption may reduce the risk of developing several types of cancer, and extensive studies have revealed the effects of its bioactive component, diallyl trisulfide (DATS), on the proliferation and apoptosis of tumor cells. The present study was undertaken to examine whether DATS affects hematogenous metastasis. In view of the dynamic crosstalk interplayed by tumor cells and platelets in hematogenous metastasis, we attempted to demonstrate the role of DATS in the metastatic behavior of MDA-MB-231 human breast cancer cells, which were co-incubated with activated platelets...
April 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28440341/quantitative-profiling-of-the-ugt-transcriptome-in-human-drug-metabolizing-tissues
#17
A Tourancheau, M Rouleau, S Guauque-Olarte, L Villeneuve, I Gilbert, A Droit, C Guillemette
Alternative splicing as a mean to control gene expression and diversify function is suspected to considerably influence drug response and clearance. We report the quantitative expression profiles of the human UGT genes including alternatively spliced variants not previously annotated established by deep RNA-sequencing in tissues of pharmacological importance. We reveal a comprehensive quantification of the alternative UGT transcriptome that differ across tissues and among individuals. Alternative transcripts that comprise novel in-frame sequences associated or not with truncations of the 5'- and/or 3'- termini, significantly contribute to the total expression levels of each UGT1 and UGT2 gene averaging 21% in normal tissues, with expression of UGT2 variants surpassing those of UGT1...
April 25, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28440272/corrigendum-pharmacological-inhibition-of-adipose-triglyceride-lipase-corrects-high-fat-diet-induced-insulin-resistance-and-hepatosteatosis-in-mice
#18
Martina Schweiger, Matthias Romauch, Renate Schreiber, Gernot F Grabner, Sabrina Hütter, Petra Kotzbeck, Pia Benedikt, Thomas O Eichmann, Sohsuke Yamada, Oskar Knittelfelder, Clemens Diwoky, Carina Doler, Nicole Mayer, Werner De Cecco, Rolf Breinbauer, Robert Zimmermann, Rudolf Zechner
No abstract text is available yet for this article.
April 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28440247/circulating-biomarkers-in-glaucoma-age-related-macular-degeneration-and-diabetic-retinopathy
#19
Madhu Nath, Nabanita Halder, Thirumurthy Velpandian
Biomarkers to predict the altering physiological conditions over the period leading toward the ocular disorders are of major importance in therapeutics. Isolation and validation of the biomarkers specific to ocular diseases are a challenging task. Glaucoma is a neurodegenerative disease of the eye where the correlation of biomarkers in circulating fluid may be made specific for the eye. However, conditions such as wet age-related macular degeneration (AMD) and proliferative diabetic retinopathy (DR), circulating biomarkers might be having some degree of overlap with other conditions like cancer where a common factor such as angiogenesis is involved...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28440207/epithelial-mesenchymal-transition-in-cancer-progression-preventive-phytochemicals
#20
Soorya Parathodi Illam, Arunaksharan Narayanankutty, Shaji Edappilly Mathew, Remya Valsalakumari, Rosemol M Jacob, Achuthan Chathrattil Raghavamenon
BACKGROUND: Epithelial-Mesenchymal Transition (EMT) is the conversion of epithelial cells into mesenchymal phenotype generally observed during embryogenesis and wound healing as well as in malignant transformation. Several signaling pathways and transcription factors associated with EMT have been explored. Dietary phytochemicals are multi-targeted agents that interfere with these pathways, assume preventive potential against pathologic EMT. OBJECTIVE: Present review aims to provide a detailed description on the nature, characteristics of EMT in physiological and pathophysiological conditions and the scope of phytochemicals in its prevention...
April 24, 2017: Recent Patents on Anti-cancer Drug Discovery
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