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https://www.readbyqxmd.com/read/27914196/ecological-caring-revisiting-the-original-ideas-of-caring-science
#1
Helena Dahlberg, Albertine Ranheim, Karin Dahlberg
The aim of this empirically grounded philosophical paper is to explore the notion of holistic care with the intention to expand it into a notion of ecological care and in such a way revisit the original ideas of caring science. The philosophical analysis, driven by lifeworld theory and especially Merleau-Ponty's philosophy, is firmly rooted in contemporary clinical care. We used interview data from patients in a study at an anthroposophic clinic in Sweden, which forms part of an ecological community with, for example, ecological agriculture...
2016: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/27914038/serotonin-5-ht6-receptor-antagonists-in-alzheimer-s-disease-therapeutic-rationale-and-current-development-status
#2
Hilda Ferrero, Maite Solas, Paul T Francis, Maria J Ramirez
Alzheimer's disease (AD) is the most common cause of dementia in elderly people. Because of the lack of effective treatments for this illness, research focused on identifying compounds that restore cognition and functional impairments in patients with AD is a very active field. Since its discovery in 1993, the serotonin 5-HT6 receptor has received increasing attention, and a growing number of studies supported 5-HT6 receptor antagonism as a target for improving cognitive dysfunction in AD. This article reviews the rationale behind investigations into the targeting of 5-HT6 receptors as a symptomatic treatment for cognitive and/or behavioral symptoms of AD...
December 3, 2016: CNS Drugs
https://www.readbyqxmd.com/read/27914013/inhibitory-effect-of-homocysteine-on-rat-neural-stem-cell-growth-in-vitro-is-associated-with-reduced-protein-levels-and-enzymatic-activities-of-aconitase-and-respiratory-complex-iii
#3
Xu-Mei Zhang, Ya-Qian Zhao, Hai Yan, Huan Liu, Guo-Wei Huang
Increased blood plasma concentration of the sulphur amino acid homocysteine (Hcy) is considered as an independent risk factor of the neurodegenerative diseases. However, the detailed molecular mechanisms by which Hcy leads to neurotoxicity have yet to be clarified. Recent research has suggested that neurotoxicity of Hcy may involve negative regulation of neural stem cell (NSC) proliferation. In the current study, primary NSCs were isolated from neonatal rat brain hippocampus and the inhibition in cell growth was observed after exposure to l50 μM and 500 μM L-Hcy...
December 2, 2016: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/27913936/changes-in-respiratory-function-during-treatment-with-combination-of-analgesic-substances-trimeperidine-and-dexmedetomidine
#4
M A Yudin, N G Vengerovich, G S Sagalov, M S Vahvijanen, V N Bykov, S V Chepur
The effects of analgesic substances trimeperidine and dexmedetomidine and their combinations in different proportions (0.75:0.25, 0.5:0.5, 0.25:0.75 of the medium effective doses of each substance) on respiratory function was studied in experiments on rats. Administration of substances in 1 ED50 by analgesic effect (corresponded to medium therapeutic dose of trimeperidine in humans) was characterized by significantly longer suppression of respiration over 90 min in comparison with combined treatment with these substances...
December 2, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27913804/restoration-of-shoulder-abduction-in-brachial-plexus-avulsion-injuries-with-double-neurotization-from-the-spinal-accessory-nerve-a-report-of-13-cases
#5
K W S J Huan, J S W Tan, S H Tan, L C Teoh, F C Yong
: In upper (C5-C7) and total (C5-T1) root avulsion brachial plexus injury, a method of double neurotization from a single donor spinal accessory nerve to two target nerves (suprascapular nerve and axillary nerve) may be done, leaving donor nerves available for reconstruction procedures to restore other aspects of upper limb function. A mean range of shoulder abduction of 91° (SD 25°) was achieved through this procedure in our study of 13 cases, of which seven cases were C5-C7 root avulsion and six cases were C5-T1 root avulsion brachial plexus injuries...
December 1, 2016: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/27913641/translation-repression-by-maternal-rna-binding-protein-zar1-is-essential-for-early-oogenesis-in-zebrafish
#6
Liyun Miao, Yue Yuan, Feng Cheng, Junshun Fang, Fang Zhou, Weirui Ma, Yan Jiang, Xiahe Huang, Yingchun Wang, Lingjuan Shan, Dahua Chen, Jian Zhang
Large numbers of maternal RNAs are deposited in oocytes and are reserved for later development. Control of maternal RNA translation during oocyte maturation has been extensively investigated and its regulatory mechanisms are well documented. However, translational regulation of maternal RNAs in early oogenesis is largely unexplored. In this study, we generated zebrafish zar1 mutants which result in early oocyte apoptosis and fully penetrant male development. Loss of p53 suppresses the apoptosis in zar1 mutants and restores oocyte development...
December 2, 2016: Development
https://www.readbyqxmd.com/read/27913309/sequence-determinants-of-the-caenhorhabditis-elegansdopamine-transporter-dictating-in-vivoaxonal-export-and-synaptic-localization
#7
Sarah B Robinson, J Andrew Hardaway, Shannon L Hardie, Jane Wright, Ryan M Glynn, Daniel P Bermingham, Qiao Han, Sarah M Sturgeon, Phyllis Freeman, Randy D Blakely
The monoamine neurotransmitter dopamine (DA) acts across phylogeny to modulate both simple and complex behaviors. The presynaptic DA transporter (DAT) is a major determinant of DA signaling capacity in ensuring efficient extracellular DA clearance. In humans, DAT is also a major target for prescribed and abused psychostimulants. Multiple structural determinants of DAT function and regulation have been defined, though largely these findings have arisen from heterologous expression or ex vivo cell culture studies...
November 29, 2016: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/27913289/damage-repair-and-regeneration-in-insect-cuticle-the-story-so-far-and-possibilities-for-the-future
#8
REVIEW
Eoin Parle, Jan-Henning Dirks, David Taylor
The exoskeleton of an insect can contain countless specializations across an individual, across developmental stages, and across the class Insecta. Hence, the exoskeleton's building material cuticle must perform a vast variety of functions. Cuticle displays a wide range of material properties which are determined by several known factors: the amount and orientation of the chitin fibres, the constituents and degree of cross-linking and hydration of the protein matrix, the relative amounts of exo- and endocuticle, and the shape of the structures themselves...
November 29, 2016: Arthropod Structure & Development
https://www.readbyqxmd.com/read/27913284/cardiac-proteasome-functional-insufficiency-plays-a-pathogenic-role-in-diabetic-cardiomyopathy
#9
Jie Li, Wenxia Ma, Guihua Yue, Yaoliang Tang, Il-Man Kim, Neal L Weintraub, Xuejun Wang, Huabo Su
BACKGROUND: Diabetic cardiomyopathy is a major risk factor in diabetic patients but its pathogenesis remains poorly understood. The ubiquitin-proteasome system (UPS) facilitates protein quality control by degrading unnecessary and damaged proteins in eukaryotic cells, and dysfunction of UPS is implicated in various cardiac diseases. However, the overall functional status of the UPS and its pathophysiological role in diabetic cardiomyopathy have not been determined. METHODS AND RESULTS: Type I diabetes was induced in wild-type and transgenic mice expressing a UPS functional reporter (GFPdgn) by injections of streptozotocin (STZ)...
November 29, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27913222/human-liver-regeneration-in-advanced-cirrhosis-is-organized-by-the-portal-tree
#10
Katalin Dezső, András Rókusz, Edina Bugyik, Armanda Szücs, András Szuák, Bence Dorogi, Mátyás Kiss, Ágnes Nemeskéri, Péter Nagy, Sándor Paku
BACKGROUND&AIMS: In advanced cirrhosis new hepatocytic nodules are generated by budding of ductules in areas of parenchymal extinction. However, the vascular alterations in the areas of parenchymal extinction, the blood supply and the structure of the new hepatocytic nodules have not been analyzed in detail. METHODS: Explanted human cirrhotic livers of three different etiologies and two experimental models of cirrhosis in rats were examined thoroughly. 3D reconstruction of the immunohistochemically stained serial sections and casting of human and experimental cirrhotic livers have been used to reveal the structural organization of the regenerative buds...
November 29, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27913002/clinical-evaluation-and-management-of-radiation-fibrosis-syndrome
#11
REVIEW
Michael D Stubblefield
Radiation fibrosis syndrome describes the multiple neuromuscular, musculoskeletal, visceral, and other late effects that result from radiation-induced fibrosis. Radiation can damage the spinal cord, nerve roots, plexus, local peripheral nerves, and muscles within the radiation field. This constellation is known as a "myelo-radiculo-plexo-neuro-myopathy" and can result in pain, sensory loss, weakness, and other signs and symptoms. Although there is no curative treatment for radiation damage, supportive management of symptoms can be helpful in restoring and maintaining function and quality of life...
February 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/27912995/rehabilitation-strategies-and-outcomes-of-the-sarcoma-patient
#12
REVIEW
Sean Robinson Smith
Sarcomas are a relatively rare cancer that, depending on the location, can cause significant neuromusculoskeletal dysfunction and require rehabilitation interventions to reduce pain, restore function, and improve quality of life. This review focuses on sarcoma subtypes that frequently cause these complications: bony and soft tissue sarcomas leading to limb salvage or amputation, desmoid tumors, and malignant peripheral nerve sheath tumors. Rehabilitation approaches and outcomes are discussed, as well as considerations for childhood sarcoma survivors transitioning to adulthood...
February 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/27912990/cancer-rehabilitation-an-overview-of-current-need-delivery-models-and-levels-of-care
#13
REVIEW
Andrea L Cheville, Karen Mustian, Kerri Winters-Stone, David S Zucker, Gail L Gamble, Catherine M Alfano
The relevance of cancer rehabilitation as a public health issue grows steadily as cancer incidence, survival, and mean patient age increase. Reported rates of physical impairment and disability are already high, prior to the anticipated influx of aged cancer survivors. Despite the high prevalence of cancer-related disablement, treatment rates, even for readily remediable physical impairments, are as low as 1-2%. In addition to low referral rates, a challenge to patient-centric cancer rehabilitation is a fractured system that requires multiple visits to a range of specialists to address even a single issue, and cancer survivors generally have several...
February 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/27912884/synergism-of-coumarins-from-the-chinese-drug-zanthoxylum-nitidum-with-antibacterial-agents-against-methicillin-resistant-staphylococcus-aureus-mrsa
#14
Guo-Ying Zuo, Chun-Juan Wang, Jun Han, Yu-Qing Li, Gen-Chun Wang
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) poses a serious therapeutic challenge in current clinic and new drug development. Natural coumarins have diverse bioactivities and the potential of resistance modifying effects. PURPOSE: This study is to present in-depth evaluations of in vitro antimicrobial activities of four natural coumarins 5-geranyloxy-7-methoxycoumarin (Gm, 1), (5,7-dimethoxy-8-prenyloxycoumarin (artanin, Ar, 2)), isopimpinellin (Is, 3) and phellopterin (Ph, 4) from Zanthoxylum nitidum (Roxb...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912877/riceberry-bran-extract-prevents-renal-dysfunction-and-impaired-renal-organic-anion-transporter-3-oat3-function-by-modulating-the-pkc-nrf2-pathway-in-gentamicin-induced-nephrotoxicity-in-rats
#15
Phatchawan Arjinajarn, Anchalee Pongchaidecha, Nuttawud Chueakula, Krit Jaikumkao, Varanuj Chatsudthipong, Sugunya Mahatheeranont, Orranuch Norkaew, Nipon Chattipakorn, Anusorn Lungkaphin
PURPOSE: This study investigated the protective effects of Riceberry bran extract (RBBE) on renal function, and the function and expression of renal organic anion transporter 3 (Oat3) in gentamicin-induced nephrotoxicity in rats and explored the mechanisms for its protective effects. MATERIAL AND METHODS: Male Sprague Dawley rats (n= 42) were divided into six groups to receive normal saline, gentamicin (100mg/kg), co-treatment of gentamicin and RBBE (at dose of 250, 500 and 1000mg/kg), and RBBE (at dose of 1000mg/kg) only, for consecutive fifteen days...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912815/regenerative-endodontics-by-cell-homing
#16
REVIEW
Ling He, Juan Zhong, Qimei Gong, Bin Cheng, Sahng G Kim, Junqi Ling, Jeremy J Mao
Apical revascularization (AR) and platelet-rich plasma have been used to restore dental pulp vitality in infected immature permanent teeth. Two regenerative therapies are cell transplantation and cell homing. This article updates and benchmarks these therapies with cell homing. A case report concluded that AR increased root length; however, quantitative and statistical assessments disproved this. Regenerative endodontic therapies require prospective clinical trials demonstrating safety and efficacy. These therapies are intrinsically susceptible to procedural and patient variations...
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27912753/radiographic-evaluation-of-early-periprosthetic-acetabular-bone-contrast-and-prosthetic-head-acetabular-coverage-after-uncemented-and-cemented-total-hip-prosthesis-in-dogs
#17
Ayman A Mostafa, Karin Lucas, Ingo Nolte, Patrick Wefstaedt
BACKGROUND: Coxofemoral osteoarthritis is a chronic, disabling condition affecting people and dogs, with THA providing an excellent return to function in severely affected joints. The principal role of THA is to restore an adequate range of motion to the hip joint while transferring load from the acetabulum in order to improve the survival of the implant and enhance the limb function in the short and long terms. The objectives of the study reported here were, therefore, to radiographically evaluate periprosthetic acetabular bone GV and to assess prosthetic head acetabular coverage after 4 months of uncemented and cemented THA in dogs...
December 3, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27912212/knockdown-of-inhibitory-guanine-nucleotide-binding-protein-gi%C3%AE-2-by-antisense-oligodeoxynucleotides-attenuates-the-development-of-hypertension-and-tachycardia-in-spontaneously-hypertensive-rats
#18
Yousra Ali El-Basyuni, Yuan Li, Madhu B Anand-Srivastava
BACKGROUND: We previously showed that the levels of both Giα-2 and Giα-3 proteins were augmented in spontaneously hypertensive rats (SHRs) before the onset of hypertension. In addition, intraperitoneal injection of pertussis toxin, which inactivates both Giα proteins, prevented the development of hypertension in SHRs. The aim of the present study was to determine the specific contributions of Giα-2 and Giα-3 proteins to the development of hypertension. METHODS AND RESULTS: Antisense oligodeoxynucleotide of Giα-2 and Giα-3 encapsulated in PEG/DOTAP/DOPE cationic liposomes were administrated intravenously into 3-week-old prehypertensive SHRs and Wistar Kyoto rats, whereas the control Wistar Kyoto rats and SHRs received PBS, empty liposomes, or sense...
October 26, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27912202/bioresorbable-stents-current-and-upcoming-bioresorbable-technologies
#19
REVIEW
Hui Ying Ang, Heerajnarain Bulluck, Philip Wong, Subbu S Venkatraman, Yingying Huang, Nicolas Foin
Bioresorbable scaffolds (BRS) represent a novel horizon in interventional cardiology for the treatment of coronary artery disease. The technology was introduced to overcome limitations of current metallic drug-eluting stents such as late in-stent restenosis and permanently caging the vessel. The concept of the BRS is to provide temporal support to the vessel during healing before being degraded and resorbed by the body, promoting restoration of the vessel vasomotion. Currently, there are several BRS that are under development or already commercially available...
November 12, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27912196/nox-isoforms-in-the-development-of-abdominal-aortic-aneurysm
#20
Kin Lung Siu, Qiang Li, Yixuan Zhang, Jun Guo, Ji Youn Youn, Jie Du, Hua Cai
Oxidative stress plays an important role in the formation of abdominal aortic aneurysm (AAA), and we have recently established a causal role of uncoupled eNOS in this severe human disease. We have also shown that activation of NADPH oxidase (NOX) lies upstream of uncoupled eNOS. Therefore, identification of the specific NOX isoforms that are required for eNOS uncoupling and AAA formation would ultimately lead to novel therapies for AAA. In the present study, we used the Ang II infused hph-1 mice to examine the roles of NOX isoforms in the development of AAA...
November 19, 2016: Redox Biology
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