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https://www.readbyqxmd.com/read/28598058/successful-treatment-of-bk-virus-hemorrhagic-cystitis-hc-post-allogenic-hematopoietic-stem-cell-transplantation-with-low-dose-cidofovir
#1
R Arora, Jasmita, M Singh, A Garg, M Gupta, N Gupta
BK virus (BKV) hemorrhagic cystitis (HC) is a serious cause of morbidity and mortality after allogeneic hematopoietic SCT (allo-HSCT) in patients with hematological malignancies. Around half of allogenic HSCT patients present with BKV viruria at some point after HSCT; about 5-40% of these patients subsequently develop active HC. Supportive care including bladder irrigation, blood transfusions and symptomatic pain management remains the mainstay of therapy; the acyclic nucleoside analogue cidofovir is currently the front-line drug for BKV-HC treatment...
May 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28513888/pain-quality-of-life-and-safety-outcomes-of-kyphoplasty-for-vertebral-compression-fractures-report-of-a-task-force-of-the-american-society-for-bone-and-mineral-research
#2
A J Rodriguez, H A Fink, L Mirigian, N Guañabens, R Eastell, K Akesson, D C Bauer, P R Ebeling
The relative efficacy and harms of balloon kyphoplasty (BK) for treating vertebral compression fractures (VCF) are uncertain. We searched multiple electronic databases to March 2016 for randomised and quasi-randomised controlled trials comparing BK with control treatment (non-surgical management [NSM], percutaneous vertebroplasty [PV], KIVA®, vertebral body stenting, or other) in adults with VCF. Outcomes included back pain, back disability, quality of life (QoL), new VCF and adverse events (AE). One reviewer extracted data, a second checked accuracy, and two rated risk of bias (ROB)...
May 17, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28456437/spinal-neuropeptide-modulation-functional-assessment-and-cartilage-lesions-in-a-monosodium-iodoacetate-rat-model-of-osteoarthritis
#3
Colombe Otis, Martin Guillot, Maxim Moreau, Johanne Martel-Pelletier, Jean-Pierre Pelletier, Francis Beaudry, Eric Troncy
BACKGROUND AND AIMS: Characterising the temporal evolution of changes observed in pain functional assessment, spinal neuropeptides and cartilage lesions of the joint after chemical osteoarthritis (OA) induction in rats. METHODS AND RESULTS: On day (D) 0, OA was induced by an IA injection of monosodium iodoacetate (MIA). Rats receiving 2mg MIA were temporally assessed at D3, D7, D14 and D21 for the total spinal cord concentration of substance P (SP), calcitonin gene related-peptide (CGRP), bradykinin (BK) and somatostatin (STT), and for severity of cartilage lesions...
April 24, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28323707/comparison-of-radiofrequency-targeted-vertebral-augmentation-with-balloon-kyphoplasty-for-the-treatment-of-vertebral-compression-fractures-2-year-results
#4
Rahel Bornemann, Tom R Jansen, Koroush Kabir, Peter H Pennekamp, Brit Stüwe, Dieter C Wirtz, Robert Pflugmacher
STUDY DESIGN: A retrospective study. OBJECTIVES: The aim of this study was the evaluation of the safety and effectiveness of radiofrequency-targeted vertebral augmentation (RF-TVA) in comparison with balloon kyphoplasty (BK) for the treatment of acute painful vertebral compression fractures (VCFs) on the basis of matched pairs. SUMMARY OF BACKGROUND: Vertebroplasty and BK are the common surgical interventions for the treatment of VCF. Both are effective and safe but pose some risks such as adjacent fractures and cement leakage...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28283888/kinin-receptors-sensitize-trpv4-channel-and-induce-mechanical-hyperalgesia-relevance-to-paclitaxel-induced-peripheral-neuropathy-in-mice
#5
Robson Costa, Maíra A Bicca, Marianne N Manjavachi, Gabriela C Segat, Fabiana Chaves Dias, Elizabeth S Fernandes, João B Calixto
Kinin B1 (B1R) and B2 receptors (B2R) and the transient receptor potential vanilloid 4 (TRPV4) channel are known to play a critical role in the peripheral neuropathy induced by paclitaxel (PTX) in rodents. However, the downstream pathways activated by kinin receptors as well as the sensitizers of the TRPV4 channel involved in this process remain unknown. Herein, we investigated whether kinins sensitize TRPV4 channels in order to maintain PTX-induced peripheral neuropathy in mice. The mechanical hyperalgesia induced by bradykinin (BK, a B2R agonist) or des-Arg(9)-BK (DABK, a B1R agonist) was inhibited by the selective TRPV4 antagonist HC-067047...
March 10, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28196712/ipomoea-pes-caprae-l-r-br-convolvulaceae-relieved-nociception-and-inflammation-in-mice-a-topical-herbal-medicine-against-effects-due-to-cnidarian-venom-skin-contact
#6
Cristiane da Silva Barth, Hugo Guilherme Tolentino de Souza, Lilian W Rocha, Gislaine Francieli da Silva, Mariana Ferreira Dos Anjos, Veronica D'Avila Pastor, Tania Mari Belle Bresolin, Angelica Garcia Couto, José Roberto Santin, Nara Lins Meira Quintão
ETHNOPHARMACOLOGICAL RELEVANCE: Ipomoea pes-caprae is known as bayhops, beach morning glory or goat's foot, and in Brazil as salsa-de-praia. Its leaves are used in worldwide folk medicine for the relief of jellyfish-stings symptoms. The literature only reports the neutralizing effects of nonpolar plant derived over jellyfish venoms, without validating the popular use or exploring the mechanism of action. AIM OF THE STUDY: This study aimed to evaluate and validate the topical effects of a semisolid containing hydroethanolic extract obtained from the aerial parts of I...
March 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28163105/nerve-growth-factor-derivative-ngf61-100-promotes-outgrowth-of-primary-sensory-neurons-with-reduced-signs-of-nociceptive-sensitization
#7
C Severini, P Petrocchi Passeri, M T Ciotti, F Florenzano, C Petrella, F Malerba, B Bruni, M D'Onofrio, I Arisi, R Brandi, R Possenti, P Calissano, A Cattaneo
Nerve Growth Factor (NGF) is being considered as a therapeutic candidate for Alzheimer's disease. However, the development of an NGF-based therapy is limited by its potent pain activity. We have developed a "painless" derivative form of human NGF (NGF61/100), characterized by identical neurotrophic properties but a reduced nociceptive sensitization activity in vivo. Here we characterized the response of rat dorsal root ganglia neurons (DRG) to the NGF derivative NGF61/100, in comparison to that of control NGF (NGF61), analyzing the expression of noxious pro-nociceptive mediators...
February 2, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28093431/which-is-best-for-osteoporotic-vertebral-compression-fractures-balloon-kyphoplasty-percutaneous-vertebroplasty-or-non-surgical-treatment-a-study-protocol-for-a-bayesian-network-meta-analysis
#8
Shun-Li Kan, Zhi-Fang Yuan, Ling-Xiao Chen, Jing-Cheng Sun, Guang-Zhi Ning, Shi-Qing Feng
INTRODUCTION: Osteoporotic vertebral compression fractures (OVCFs) commonly cause both acute and chronic back pain, substantial spinal deformity, functional disability and decreased quality of life and increase the risk of future vertebral fractures and mortality. Percutaneous vertebroplasty (PVP), balloon kyphoplasty (BK) and non-surgical treatment (NST) are mostly used for the treatment of OVCFs. However, which treatment is preferred is unknown. The purpose of this study is to comprehensively review the literature and ascertain the relative efficacy and safety of BK, PVP and NST for patients with OVCFs using a Bayesian network meta-analysis...
January 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/27932159/fulminant-clostridium-perfringens-sepsis-in-kidney-transplant-a-case-report
#9
P Mihaylov, J A Powelson, W C Goggins
BACKGROUND: Infections, particularly urinary tract infections, and cardiovascular accidents are the main causes of morbidity and mortality during the 1st year after kidney transplantation (KT). Bacteria and viruses, such as Escherichia coli, Enteroccoci, and Polyoma BK virus are common in the 1st 6 months, so they are controlled routinely. On the other hand, Clostridium perfringens infection is a rare life-threatening condition, associated with a high mortality rate especially in the transplant population, that is not controlled routinely...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27695261/high-performance-thin-layer-chromatography-method-development-validation-and-simultaneous-quantification-of-four-compounds-identified-in-standardized-extracts-of-orthosiphon-stamineus
#10
Suzana Hashim, Hooi Kheng Beh, Mohamad Shahrul Ridzuan Hamil, Zhari Ismail, Amin Malik Shah Abdul Majid
CONTEXT: Orthosiphon stamineus is a medicinal herb widely grown in Southeast Asia and tropical countries. It has been used traditionally as a diuretic, abdominal pain, kidney and bladder inflammation, gout, and hypertension. AIMS: This study aims to develop and validate the high-performance thin layer chromatography (HPTLC) method for quantification of rosmarinic acid (RA), 3'-hydroxy-5,6,7,4'-tetramethoxyflavone (TMF), sinensitin (SIN) and eupatorin (EUP) found in ethanol, 50% ethanol and water extract of O...
October 2016: Pharmacognosy Research
https://www.readbyqxmd.com/read/27619237/discovery-of-stable-non-opioid-dynorphin-a-analogues-interacting-at-the-bradykinin-receptors-for-the-treatment-of-neuropathic-pain
#11
Sara M Hall, Lindsay LeBaron, Cyf Ramos-Colon, Chaoling Qu, Jennifer Yanhua Xie, Frank Porreca, Josephine Lai, Yeon Sun Lee, Victor J Hruby
Dynorphin A (Dyn A) is a unique endogenous ligand that possesses well-known neuroinhibitory effects via opioid receptors with a preference for the kappa receptor but also neuroexcitatory effects, which cause hyperalgesia. We have shown that the neuroexcitatory effects are mediated through bradykinin (BK) receptors and that intrathecal (i.th.) administration of our lead ligand 1, [des-Arg(7)]-Dyn A-(4-11), which shows good binding affinity (IC50 = 150 nM) at the BK receptors, blocks Dyn A-induced hyperalgesia in naïve animals and reverses thermal and tactile hypersensitivities in a dose-dependent manner in nerve-injured animals...
December 21, 2016: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/27261709/comparison-of-radiofrequency-targeted-vertebral-augmentation-with-balloon-kyphoplasty-for-the-treatment-of-vertebral-compression-fractures-2-year-results
#12
Rahel Bornemann, Tom R Jansen, Koroush Kabir, Peter H Pennekamp, Brit Stüwe, Dieter C Wirtz, Robert Pflugmacher
STUDY DESIGN: A retrospective study. OBJECTIVES: Evaluation of safety and effectiveness of radiofrequency-targeted vertebral, augmentation (RF-TVA) in comparison to balloon kyphoplasty (BK) for the treatment of, acute painful vertebral compression fractures (VCF) on the basis of matched pairs. SUMMARY OF BACKGROUND: Vertebroplasty and balloon kyphoplasty are the common surgical interventions for the, treatment of VCF. Both are effective and safe, but pose some risks such as adjacent, fractures and cement leakage...
June 3, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27241733/bk-channels-in-microglia-are-required-for-morphine-induced-hyperalgesia
#13
Yoshinori Hayashi, Saori Morinaga, Jing Zhang, Yasushi Satoh, Andrea L Meredith, Takahiro Nakata, Zhou Wu, Shinichi Kohsaka, Kazuhide Inoue, Hiroshi Nakanishi
Although morphine is a gold standard medication, long-term opioid use is associated with serious side effects, such as morphine-induced hyperalgesia (MIH) and anti-nociceptive tolerance. Microglia-to-neuron signalling is critically involved in pain hypersensitivity. However, molecules that control microglial cellular state under chronic morphine treatment remain unknown. Here we show that the microglia-specific subtype of Ca(2+)-activated K(+) (BK) channel is responsible for generation of MIH and anti-nociceptive tolerance...
May 31, 2016: Nature Communications
https://www.readbyqxmd.com/read/27238267/bk-channels-in-the-central-nervous-system
#14
C Contet, S P Goulding, D A Kuljis, A L Barth
Large conductance Ca(2+)- and voltage-activated K(+) (BK) channels are widely distributed in the postnatal central nervous system (CNS). BK channels play a pleiotropic role in regulating the activity of brain and spinal cord neural circuits by providing a negative feedback mechanism for local increases in intracellular Ca(2+) concentrations. In neurons, they regulate the timing and duration of K(+) influx such that they can either increase or decrease firing depending on the cellular context, and they can suppress neurotransmitter release from presynaptic terminals...
2016: International Review of Neurobiology
https://www.readbyqxmd.com/read/26944020/inflammatory-mediator-bradykinin-increases-population-of-sensory-neurons-expressing-functional-t-type-ca-2-channels
#15
Dongyang Huang, Ce Liang, Fan Zhang, Hongchao Men, Xiaona Du, Nikita Gamper, Hailin Zhang
T-type Ca(2+) channels are important regulators of peripheral sensory neuron excitability. Accordingly, T-type Ca(2+) currents are often increased in various pathological pain conditions, such as inflammation or nerve injury. Here we investigated effects of inflammation on functional expression of T-type Ca(2+) channels in small-diameter cultured dorsal root ganglion (DRG) neurons. We found that overnight treatment of DRG cultures with a cocktail of inflammatory mediators bradykinin (BK), adenosine triphosphate (ATP), norepinephrine (NE) and prostaglandin E2 (PGE2) strongly increased the population size of the small-diameter neurons displaying low-voltage activated (LVA, T-type) Ca(2+) currents while having no effect on the peak LVA current amplitude...
April 29, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/26612873/pharmacokinetics-and-safety-of-intravesicular-cidofovir-in-allogeneic-hsct-recipients
#16
Samuel L Aitken, Jian Zhou, Shashank S Ghantoji, Dimitrios P Kontoyiannis, Roy B Jones, Vincent H Tam, Roy F Chemaly
OBJECTIVES: The objective of this study was to evaluate the pharmacokinetics and safety of cidofovir administered via the intravesicular route to patients with haemorrhagic cystitis following allogeneic HSCT (allo-HSCT). METHODS: Patients with gross haematuria and confirmed BK or adenovirus viruria following allo-HSCT were prospectively enrolled in an open-label pharmacokinetic study (ClinicalTrials.gov registration: NCT01816646). Three hours after an oral probenecid dose (2 g), cidofovir (2...
March 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/26607257/pharmacological-characterization-of-the-edema-caused-by-vitalius-dubius-theraphosidae-mygalomorphae-spider-venom-in-rats
#17
Thomaz A A Rocha-E-Silva, Alessandra Linardi, Edson Antunes, Stephen Hyslop
Bites by tarantulas (Theraphosidae, Mygalomorphae) in humans can result in mild clinical manifestations such as local pain, erythema, and edema. Vitalius dubius is a medium-sized, nonaggressive theraphosid found in southeastern Brazil. In this work, we investigated the mediators involved in the plasma extravasation caused by V. dubius venom in rats. The venom caused dose-dependent (0.1-100 μg/site) edema in rat dorsal skin. This edema was significantly inhibited by ((S)1-{2-[3(3-4-dichlorophenyl)-1-(3-iso-propoxyphenylacetyl)piperidine-3-yl]ethyl}-4-phenyl-1-azoniabicyclo[2...
January 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/26606297/corneal-tattooing-and-anterior-stromal-puncture-for-treating-symptomatic-bullous-keratopathy
#18
Hsin-Chiung Lin, Yi-Lun Wang, Guang-Wu Chen, Chieh-Hung Yen
PURPOSE: To investigate the efficacy of corneal tattooing, through anterior stromal puncture (ASP), for managing painful bullous keratopathy (BK). METHODS: This retrospective, case-controlled, consecutive case series study was performed at a university-based referral clinic. Patients with painful BK who underwent corneal tattooing with Chinese ink between 2007 and 2013 were included in analyses. Patients diagnosed with symptomatic BK who only underwent ASP during the same period were included as a control group...
March 2016: Cornea
https://www.readbyqxmd.com/read/26571430/update-on-urinary-tract-markers-in-interstitial-cystitis-bladder-pain-syndrome
#19
REVIEW
Bogdan Grigorescu, Kenneth Powers, George Lazarou
Interstitial cystitis (IC)/painful bladder syndrome/bladder pain syndrome (BPS) is a chronic hypersensory condition of unknown etiology. Moreover, the optimal modality for diagnosing IC remains disputed. Several urinary markers have been investigated that may have potential utility in the diagnosis or confirmation of IC/BPS. Thus, inflammatory mediators, proteoglycans, urinary hexosamines, proliferative factors, nitric oxide (NO), BK polyomavirus family, and urothelial proinflammatory gene analysis have been found to correlate with varying degrees with the clinical diagnosis or cystoscopic findings in patients with IC/BPS...
January 2016: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/26491241/recurrent-rates-and-risk-factors-associated-with-recurrent-painful-bullous-keratopathy-after-primary-phototherapeutic-keratectomy
#20
Ngamjit Kasetsuwan, Kanokorn Sakpisuttivanit, Usanee Reinprayoon, Vilavun Puangsricharern
OBJECTIVE: To assess the recurrent rate, mean survival time, and risk factors associated with recurrent painful bullous keratopathy (BK) after primary treatment with phototherapeutic keratectomy. METHODS: Medical records from 72 patients (72 eyes) who had phototherapeutic keratectomy for painful BK were evaluated. Data for sex, age, duration of BK, associated ocular and systemic diseases (hypertension, diabetes mellitus, ischemic heart disease, asthma, dyslipidemia, and rheumatoid arthritis), frequency and degree of pain (grade 1-3), visual acuity, corneal thickness, intraocular pressure, and laser setting were extracted and analyzed...
2015: Clinical Ophthalmology
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