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https://www.readbyqxmd.com/read/28441778/gene-expression-analysis-before-and-after-treatment-with-adalimumab-in-patients-with-ankylosing-spondylitis-identifies-molecular-pathways-associated-with-response-to-therapy
#1
Marzia Dolcino, Elisa Tinazzi, Andrea Pelosi, Giuseppe Patuzzo, Francesca Moretta, Claudio Lunardi, Antonio Puccetti
The etiology of Ankylosing spondylitis (AS) is still unknown and the identification of the involved molecular pathogenetic pathways is a current challenge in the study of the disease. Adalimumab (ADA), an anti-tumor necrosis factor (TNF)-alpha agent, is used in the treatment of AS. We aimed at identifying pathogenetic pathways modified by ADA in patients with a good response to the treatment. Gene expression analysis of Peripheral Blood Cells (PBC) from six responders and four not responder patients was performed before and after treatment...
April 24, 2017: Genes
https://www.readbyqxmd.com/read/28441777/health-effects-of-psidium-guajava-l-leaves-an-overview-of-the-last-decade
#2
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/28441761/e2-er-%C3%AE-enhances-calcineurin-protein-degradation-and-pi3k-akt-mdm2-signal-transduction-to-inhibit-iso-induced-myocardial-cell-apoptosis
#3
Kuan-Ho Lin, Wei-Wen Kuo, Marthandam Asokan Shibu, Cecilia-Hsuan Day, You-Liang Hsieh, Li-Chin Chung, Ray-Jade Chen, Su-Ying Wen, Vijaya Padma Viswanadha, Chih-Yang Huang
Secretion of multifunctional estrogen and its receptor has been widely considered as the reason for markedly higher frequency of heart disease in men than in women. 17β-Estradiol (E2), for instance, has been reported to prevent development of cardiac apoptosis via activation of estrogen receptors (ERs). In addition, protein phosphatase such as protein phosphatase 1 (PP1) and calcineurin (PP2B) are also involved in cardiac hypertrophy and cell apoptosis signaling. However, the mechanism by which E2/ERβ suppresses apoptosis is not fully understood, and the role of protein phosphatase in E2/ERβ action also needs further investigation...
April 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441759/synaptic-homeostasis-and-its-immunological-disturbance-in-neuromuscular-junction-disorders
#4
REVIEW
Masaharu Takamori
In the neuromuscular junction, postsynaptic nicotinic acetylcholine receptor (nAChR) clustering, trans-synaptic communication and synaptic stabilization are modulated by the molecular mechanisms underlying synaptic plasticity. The synaptic functions are based presynaptically on the active zone architecture, synaptic vesicle proteins, Ca(2+) channels and synaptic vesicle recycling. Postsynaptically, they are based on rapsyn-anchored nAChR clusters, localized sensitivity to ACh, and synaptic stabilization via linkage to the extracellular matrix so as to be precisely opposed to the nerve terminal...
April 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441741/peptides-peptidomimetics-and-polypeptides-from-marine-sources-a-wealth-of-natural-sources-for-pharmaceutical-applications
#5
Rushikesh Sable, Pravin Parajuli, Seetharama Jois
Nature provides a variety of peptides that are expressed in most living species. Evolutionary pressure and natural selection have created and optimized these peptides to bind to receptors with high affinity. Hence, natural resources provide an abundant chemical space to be explored in peptide-based drug discovery. Marine peptides can be extracted by simple solvent extraction techniques. The advancement of analytical techniques has made it possible to obtain pure peptides from natural resources. Extracted peptides have been evaluated as possible therapeutic agents for a wide range of diseases, including antibacterial, antifungal, antidiabetic and anticancer activity as well as cardiovascular and neurotoxin activity...
April 22, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28441691/the-shorter-the-person-the-higher-the-blood-pressure-a-birth-cohort-study
#6
Päivi E Korhonen, Hannu Kautiainen, Johan G Eriksson
OBJECTIVE: Short adult stature is known to be associated with increased cardiovascular morbidity and mortality, but the underlying explanatory mechanisms remain largely unknown. The purpose of the current study was to evaluate the relationship between height and blood pressure (BP), a major determinant of cardiovascular disease (CVD). METHODS: We performed BP measurements including 24-h ambulatory BP measurements in 534 participants (mean age 61 ± 3 years, 51...
June 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28441661/defective-platelet-activation-and-bleeding-complications-upon-cholestasis-in-mice
#7
Nina Sarah Gowert, Meike Klier, Maria Reich, Friedrich Reusswig, Lili Donner, Verena Keitel, Dieter Häussinger, Margitta Elvers
BACKGROUND/AIMS: Platelets are essential mediators of hemostasis to avoid excessive blood loss. Cirrhosis and chronic liver diseases are characterized by alterations in hemostasis. Alterations in the secondary hemostasis have been well studied, while defects in primary hemostasis, especially the consequences of cholestatic liver disease on platelet function are not well defined. METHODS: After bile duct ligation (BDL) platelet activation and thrombus formation were analyzed in mice...
April 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28441649/home-based-physical-behavior-in-late-stage-parkinson-disease-dementia-differences-between-cognitive-subtypes
#8
Bernhard Cerff, Walter Maetzler, Patricia Sulzer, Malte Kampmeyer, Jos Prinzen, Markus A Hobert, Dominik Blum, Rob van Lummel, Silvia Del Din, Susanne Gräber, Daniela Berg, Inga Liepelt-Scarfone
BACKGROUND: For the early diagnosis of Parkinson disease dementia (PDD), objective home-based tools are needed to quantify even mild stages of dysfunction of the activities of daily living (ADL). OBJECTIVES: In this pilot study, home-based physical behavior was assessed to examine whether it is possible to distinguish mild cognitive impairment (PD-MCI) from PDD. METHODS: Fifty-five patients with mild to severe Parkinson disease (PD) participated in this cross-sectional study...
April 26, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28441610/total-esterase-measurement-in-saliva-of-pigs-validation-of-an-automated-assay-characterization-and-changes-in-stress-and-disease-conditions
#9
Fernando Tecles, María D Contreras-Aguilar, Silvia Martínez-Miró, Asta Tvarijonaviciute, Silvia Martínez-Subiela, Damián Escribano, José J Cerón
An automated spectrophotometric method for total esterase activity (TEA) measurement in porcine saliva has been developed and validated, using 4-nitrophenyl acetate (4-NA) as substrate. The method was precise and accurate, with low limit of detection, and was able to measure samples with TEA activities up to 400IU/L without any dilution. In addition, the different enzymes contributing to TEA were characterized, being identified carbonic anhydrase VI (CA-VI), lipase, cholinesterase (ChE) and cholesterol esterase (CEL)...
April 18, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28441415/pax7-remodels-the-chromatin-landscape-in-skeletal-muscle-stem-cells
#10
Karin C Lilja, Nan Zhang, Alessandro Magli, Volkan Gunduz, Christopher J Bowman, Robert W Arpke, Radbod Darabi, Michael Kyba, Rita Perlingeiro, Brian D Dynlacht
Pluripotent stem cells (PSC) hold great promise for the treatment of human skeletal muscle diseases. However, it remains challenging to convert PSC to skeletal muscle cells, and the mechanisms by which the master regulatory transcription factor, Pax7, promotes muscle stem (satellite) cell identity are not yet understood. We have taken advantage of PSC-derived skeletal muscle precursor cells (iPax7), wherein the induced expression of Pax7 robustly initiates the muscle program and enables the in vitro generation of precursors that seed the satellite cell compartment upon transplantation...
2017: PloS One
https://www.readbyqxmd.com/read/28441410/creating-and-parameterizing-patient-specific-deep-brain-stimulation-pathway-activation-models-using-the-hyperdirect-pathway-as-an-example
#11
Kabilar Gunalan, Ashutosh Chaturvedi, Bryan Howell, Yuval Duchin, Scott F Lempka, Remi Patriat, Guillermo Sapiro, Noam Harel, Cameron C McIntyre
BACKGROUND: Deep brain stimulation (DBS) is an established clinical therapy and computational models have played an important role in advancing the technology. Patient-specific DBS models are now common tools in both academic and industrial research, as well as clinical software systems. However, the exact methodology for creating patient-specific DBS models can vary substantially and important technical details are often missing from published reports. OBJECTIVE: Provide a detailed description of the assembly workflow and parameterization of a patient-specific DBS pathway-activation model (PAM) and predict the response of the hyperdirect pathway to clinical stimulation...
2017: PloS One
https://www.readbyqxmd.com/read/28441383/the-oral-vegf-receptor-tyrosine-kinase-inhibitor-pazopanib-in-combination-with-the-mek-inhibitor-trametinib-in-advanced-cholangiocarcinoma
#12
Rachna T Shroff, Mark Yarchoan, Ashley O'Connor, Denise Gallagher, Marianna L Zahurak, Gary Rosner, Chimela Ohaji, Susan Sartorius-Mergenthaler, Vivek Subbiah, Ralph Zinner, Nilofer S Azad
BACKGROUND: Cholangiocarcinoma is an aggressive malignancy with limited therapeutic options. MEK inhibition and antiangiogenic therapies have individually shown modest activity in advanced cholangiocarcinoma, whereas dual inhibition of these pathways has not been previously evaluated. We evaluated the safety and efficacy of combination therapy with the oral VEGF receptor tyrosine kinase inhibitor pazopanib plus the MEK inhibitor trametinib in patients with advanced cholangiocarcinoma...
April 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28441357/investigation-of-the-anti-leishmania-leishmania-infantum-activity-of-some-natural-sesquiterpene-lactones
#13
Imke F Wulsten, Thais A Costa-Silva, Juliana T Mesquita, Marta L Lima, Mariana K Galuppo, Noemi N Taniwaki, Samanta E T Borborema, Fernando B Da Costa, Thomas J Schmidt, Andre G Tempone
Leishmaniases are neglected infectious diseases caused by parasites of the 'protozoan' genus Leishmania. Depending on the parasite species, different clinical forms are known as cutaneous, muco-cutaneous, and the visceral leishmaniasis (VL). VL is particularly fatal and the therapy presents limitations. In the search for new anti-leishmanial hit compounds, seven natural sesquiterpene lactones were evaluated against promastigotes and intracellular amastigotes of Leishmania (Leishmania) infantum, a pathogen causing VL...
April 25, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28441324/designing-fit-for-purpose-health-and-social-services-for-ageing-populations
#14
Jean Woo
Population ageing is occurring in all countries, regardless of the level of economic development. While the rising burden of chronic diseases and disabilities as a consequence of this demographic transition is well recognized, the increasing prevalence of geriatric syndromes as a public health issue is not as well recognized. Recently the World Health Organization's World Health and Ageing Report emphasized functional ability as an important outcome for aging populations, highlighting the concept of raising intrinsic capacity throughout the life course...
April 25, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28441276/augs-consensus-statement-association-of-anticholinergic-medication-use-and-cognition-in-women-with-overactive-bladder
#15
(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/28441151/recent-clinical-trials-in-valvular-heart-disease
#16
Daniel Kiss, Saif Anwaruddin
PURPOSE OF REVIEW: With widespread adoption of transcatheter aortic valve replacement, there has been a change in the approach to management of valvular heart disease. New interest has taken hold in transcatheter therapies for valvular heart disease, as well as research into pathophysiology and progression of disease. Additionally, several key trials have further refined our understanding of surgical management of valvular heart disease. This review will elucidate recent clinical trial data leading to changes in practice...
April 24, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28441094/background-rates-of-disease-in-latin-american-children-from-a-rotavirus-vaccine-study
#17
Marc Baay, Kaatje Bollaerts, Claudio Struchiner, Thomas Verstraeten
BACKGROUND: Knowledge of background rates of adverse events is crucial to assess vaccine safety concerns. We used data from a rotavirus vaccine study (Ruiz-Palacios et al., NEJM, 2006) including 63,225 infants from 11 Latin American countries to investigate reporting rates of serious adverse events (SAEs) among these infants, and describe rates by country, gender, age, and season. METHODS: For this randomized, double-blind, placebo-controlled, phase 3 trial, investigators from Argentina, Brazil, Chile, Colombia, Dominican Republic, Honduras, Mexico, Nicaragua, Panama, Peru, and Venezuela recruited 6-to-13-week-old healthy infants...
April 25, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28441075/autophagy-and-kidney-inflammation
#18
Tomonori Kimura, Yoshitaka Isaka, Tamotsu Yoshimori
Inflammation plays a pivotal role in pathophysiological processes of kidney diseases. Macroautophagy/autophagy plays multiple roles in inflammatory responses, and the regulation of inflammation by autophagy has great potential as a treatment for damaged kidneys. A growing body of evidence suggests autophagy protects kidney from versatile kidney inflammatory insults, including those that are acute, chronic, metabolic, and aging-related. Noteworthy is that, in kidney, mitophagy is active, and damaged lysosomes are removed by autophagy...
April 25, 2017: Autophagy
https://www.readbyqxmd.com/read/28441067/anterior-segment-optical-coherence-tomography-angiography-for-identification-of-iris-vasculature-and-staging-of-iris-neovascularization-a-pilot-study
#19
Philipp K Roberts, Debra A Goldstein, Amani A Fawzi
Purpose/Aim of the study: To assess the ability of optical coherence tomographic angiography (OCTA) to visualize the normal iris vasculature as well as neovascularization of the iris (NVI). MATERIALS AND METHODS: Study participants with healthy eyes, patients at risk of NVI development and patients with active or regressed NVI were consecutively included in this cross-sectional observational study. Imaging was performed using a commercially available OCTA system (RTVue- XR Avanti, Optovue Inc...
April 25, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28441062/measles-cases-among-adolescents-in-southern-pakistan-2012-2015-the-case-for-revisiting-vaccination-strategies
#20
Sadia Shakoor, Erum Khan, Muhammad Imran Rajput, Wali Muhammad Rahimoon
AIMS: Surveillance of adult measles in Pakistan is a challenge as it does not enjoy the status of a reportable disease unlike childhood cases and therefore cases remain undetected and unreported or misdiagnosed. Consequently no data or estimates of young adult cases, seroprevalence, or estimates of susceptible preadolescent or young adult population exist. We have presented both laboratory conformed and clinically suspected cases of measles occurring in adolescents and adults in the southern province of Sindh in Pakistan...
April 25, 2017: Human Vaccines & Immunotherapeutics
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