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https://www.readbyqxmd.com/read/28535487/nerve-excitability-changes-related-to-muscle-weakness-in-chronic-progressive-external-ophthalmoplegia
#1
Antoine Gueguen, Claude Jardel, Marc Polivka, S Veronica Tan, Françoise Gray, Catherine Vignal, Anne Lombès, Olivier Gout, Hugh Bostock
OBJECTIVE: To explore potential spreading to peripheral nerves of the mitochondrial dysfunction in chronic progressive external ophthalmoplegia (CPEO) by assessing axonal excitability. METHODS: CPEO patients (n=13) with large size deletion of mitochondrial DNA and matching healthy controls (n=22) were included in a case-control study. Muscle strength was quantified using MRC sum-score and used to define two groups of patients: CPEO-weak and CPEO-normal (normal strength)...
April 26, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28531234/directed-evolution-to-improve-the-catalytic-efficiency-of-urate-oxidase-from-bacillus-subtilis
#2
Wenjie Li, Shouteng Xu, Biao Zhang, Yelin Zhu, Yan Hua, Xin Kong, Lianhong Sun, Jiong Hong
Urate oxidase is a key enzyme in purine metabolism and catalyzes the oxidation of uric acid to allantoin. It is used to treat hyperuricemia and gout, and also in a diagnostic kit. In this study, error-prone polymerase chain reaction and staggered extension process was used to generate a mutant urate oxidase with improved enzyme activity from Bacillus subtilis. After several rounds of mutagenesis and screening, two mutants 6E9 and 8E279 were obtained which exhibited 2.99 and 3.43 times higher catalytic efficiency, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28530520/cardiovascular-disease-and-gout-real-world-experience-evaluating-patient-characteristics-treatment-patterns-and-health-care-utilization
#3
Michael H Pillinger, Sripal Bangalore, Alyssa B Klein, Scott Baumgartner, Robert Morlock
BACKGROUND: Gout, hyperuricemia, and cardiovascular disease (CVD) are prevalent conditions in the United States, and while they share common risk factors such as obesity, hypertension, hypercholesterolemia, and type 2 diabetes mellitus, relatively little is known about what patient and disease characteristics may link CVD with hyperuricemia and gout and how the presence of both diseases affects management decisions differently than for patients with gout alone. OBJECTIVE: To identify differences in patient characteristics, patterns of urate-lowering therapy (ULT) use, and gout control in gout patients with and without cardiovascular comorbidity...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28528279/first-validation-of-the-gout-activity-score-against-gout-impact-scale-in-a-primary-care-based-gout-cohort
#4
Jonathan La-Crette, Wendy Jenkins, Gwen Fernandes, Ana M Valdes, Michael Doherty, Abhishek Abhishek
OBJECTIVES: To validate the gout activity score (GAS) against the gout impact scale in a primary care based gout cohort. METHODS: This was a single-centre cross-sectional study. People with gout who participated in previous research at Academic Rheumatology, University of Nottingham, UK, and consented for participation in future studies were mailed a questionnaire in September 2015. Those returning completed questionnaires were invited to attend for a study visit at which blood was collected and musculoskeletal examination was performed...
May 17, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28521370/salvia-plebeia-extract-inhibits-xanthine-oxidase-activity-in-vitro-and-reduces-serum-uric-acid-in-an-animal-model-of-hyperuricemia
#5
Jin Kyu Kim, Woo Jung Kim, Jung Mi Hyun, Jong Suk Lee, Jin Gwan Kwon, Changon Seo, Myung-Jin Song, Chun Whan Choi, Seong Su Hong, Kyuhee Park, Pansoo Kim, Hachang Sung, Jin Koo Lee, Yongmun Choi
Hyperuricemia is a clinical condition characterized by an elevated level of serum uric acid and is a key risk factor for the development of gout and metabolic disorders. The existing urate-lowering therapies are often impractical for certain patient populations, providing a rationale to explore new agents with improved safety and efficacy. Here, we discovered that Salvia plebeia extract inhibited the enzyme activity of xanthine oxidase, which is a key enzyme generating uric acid in the liver. In an animal model of hyperuricemia, S...
May 18, 2017: Planta Medica
https://www.readbyqxmd.com/read/28511908/potential-anti-gout-constituents-as-xanthine-oxidase-inhibitor-from-the-fruits-of-stauntonia-brachyanthera
#6
Dan Liu, Dandan Wang, Wei Yang, Dali Meng
With the aim of finding a better xanthine oxidase inhibitor with potential anti-gout properties, the studies on the fruit of Stauntonia brachyanthera were carried out, which led to the isolation of 12 glycosides, including 4 new nor-oleanane triterpenoids. Their structures were determined by comprehensive spectroscopic (NMR and HR MS) analysis. Two compounds (4 and 11) exhibited significant inhibitory activities on xanthine oxidase with IC50 values of 5.22 and 1.60µM, respectively. Another five compounds (1, 2, 3, 8 and 10) showed qualified activities...
May 6, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28509327/the-occurrence-of-hepatocellular-carcinoma-in-different-risk-stratifications-of-clinically-non-cirrhotic-non-alcoholic-fatty-liver-disease
#7
Teng-Yu Lee, Jaw-Ching Wu, Shi-Hang Yu, Jaw-Town Lin, Ming-Shiang Wu, Chun-Ying Wu
Non-alcoholic fatty liver disease (NAFLD) may be a cause of hepatocellular carcinoma (HCC), but its high prevalence challenges current surveillance strategies. We aimed to evaluate HCC incidences in different risk stratifications for non-cirrhotic NAFLD. Using Taiwan's National Health Insurance Research Database, we located 31,571 patients with NAFLD between the years 1998 and 2012. After excluding other causes of hepatitis, underlying cirrhosis, or malignancy, 18,080 patients were recruited for final analysis...
May 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28508104/quercetin-inhibits-gout-arthritis-in-mice-induction-of-an-opioid-dependent-regulation-of-inflammasome
#8
Kenji W Ruiz-Miyazawa, Larissa Staurengo-Ferrari, Sandra S Mizokami, Talita P Domiciano, Fabiana T M C Vicentini, Doumit Camilios-Neto, Wander R Pavanelli, Phileno Pinge-Filho, Flávio A Amaral, Mauro M Teixeira, Rubia Casagrande, Waldiceu A Verri
We investigated the anti-inflammatory and analgesic effects of quercetin in monosodium urate crystals (MSU)-induced gout arthritis, and the sensitivity of quercetin effects to naloxone, an opioid receptor antagonist. Mice were treated with quercetin, and mechanical hyperalgesia was assessed at 1-24 h after MSU injection. In vivo, leukocyte recruitment, cytokine levels, oxidative stress, NFκB activation, and gp91(phox) and inflammasome components (NLRP3, ASC, Pro-caspase-1, and Pro-IL-1β) mRNA expression by qPCR were determined in the knee joints at 24 h after MSU injection...
May 15, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28505649/management-of-acute-and-recurrent-gout
#9
Russell P Harris, Robert M McLean, Amir Qaseem
No abstract text is available yet for this article.
May 16, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28505648/management-of-acute-and-recurrent-gout
#10
David Erk
No abstract text is available yet for this article.
May 16, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28505647/management-of-acute-and-recurrent-gout
#11
Vanya D Wagler, Aaron W Pumerantz
No abstract text is available yet for this article.
May 16, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28499984/systemic-pten-akt1-mtor-pathway-activity-in-patients-with-normal-tension-glaucoma-and-ocular-hypertension-a-case-series
#12
Gerassimos Lascaratos, Kai-Yin Chau, Haogang Zhu, Despoina Gkotsi, Deborah Kamal, Ivan Gout, Philip J Luthert, Anthony H V Schapira, David F Garway-Heath
Glaucoma is the most common optic neuropathy in humans and the leading cause of irreversible blindness worldwide. Its prevalence and incidence increase exponentially with ageing and raised intraocular pressure (IOP), while increasing evidence suggests that systemic mitochondrial abnormalities may also be implicated in its pathogenesis. We have recently shown that patients who have not developed glaucoma despite being exposed for many years to high IOP (ocular hypertension - OHT) have more efficient mitochondria, measured in peripheral blood lymphocytes, when compared to age-similar controls and fast progressing normal tension glaucoma (NTG) patients...
May 9, 2017: Mitochondrion
https://www.readbyqxmd.com/read/28497222/interleukin-1-blockade-an-update-on-emerging-indications
#13
REVIEW
Anoop Mistry, Sinisa Savic, Jeroen C H van der Hilst
Interleukin (IL)-1 is a pro-inflammatory cytokine that induces local and systemic inflammation aimed to eliminate microorganisms and tissue damage. However, an increasing number of clinical conditions have been identified in which IL-1 production is considered inappropriate and IL-1 is part of the disease etiology. In autoinflammatory diseases, gout, Schnitzler's syndrome, and adult-onset Still's disease, high levels of inappropriate IL-1 production have been shown to be a key process in the etiology of the disease...
May 11, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28495942/tipic-syndrome-beyond-the-myth-of-carotidynia-a-new-distinct-unclassified-entity
#14
A Lecler, M Obadia, J Savatovsky, H Picard, F Charbonneau, N Menjot de Champfleur, O Naggara, B Carsin, M Amor-Sahli, J P Cottier, J Bensoussan, E Auffray-Calvier, A Varoquaux, S De Gaalon, C Calazel, N Nasr, G Volle, D C Jianu, O Gout, F Bonneville, J C Sadik
BACKGROUND AND PURPOSE: The differential diagnosis of acute cervical pain includes nonvascular and vascular causes such as carotid dissection, carotid occlusion, or vasculitis. However, some patients present with unclassified vascular and perivascular changes on imaging previously reported as carotidynia. The aim of our study was to improve the description of this as yet unclassified clinico-radiologic entity. MATERIALS AND METHODS: From January 2009 through April 2016, 47 patients from 10 centers presenting with acute neck pain or tenderness and at least 1 cervical image showing unclassified carotid abnormalities were included...
May 11, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28492994/metabolic-characteristics-and-renal-dysfunction-in-65-patients-with-tophi-prior-to-gout
#15
Chuan-Chin Lu, Shyi-Kuen Wu, Wei-Sheng Chung, Liang-Hung Lin, Ta-Wei Hung, Chih-Jung Yeh
Tophi typically occur many years after uncontrolled gout. Therefore, their development before gout remains unusual. Such patients might exhibit some characteristic differences compared with typical tophaceous gout patients. In this study, 65 tophaceous gout patients with tophi as the first sign of gout (tophi-first group) were enrolled. Their clinical characteristics were compared with those of 1421 patients whose tophi occurred after gout (tophi-after group). Compared with the tophi-after group, the tophi-first group had a significantly higher percentage of female patients and patients with elderly onset of disease and a lower percentage of patients with a positive family history; these patients had lower body mass indices, serum urate levels, and estimated glomerular filtration rates (eGFRs)...
May 10, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28491208/joint-pain-epidemiology-and-analgesic-usage-in-madagascar
#16
Luc Hervé Samison, Fidiniaina Mamy Randriatsarafara, Stéphane Ralandison
INTRODUCTION: To describe the epidemiology of joint pains and document analgesics usage in an African context. METHODS: Patients suffering from joint pain were recruited from nine sites located in Antananarivo, Madagascar, including 6 hospital services and 3 clinics. Doctors collected information on the etiology and characteristics of the patients' pain. Analgesics prescribed by these doctors were also documented. RESULTS: In total, 400 patients were enrolled in the study (52...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28490548/diet-high-in-vegetables-fruit-and-whole-grains-may-reduce-risk-of-gout
#17
Susan Mayor
No abstract text is available yet for this article.
May 9, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28488770/allopurinol-for-the-treatment-of-refractory-aggression-a-case-series
#18
Chelsea N Carr, Craig M Straley, Terrence B Baugh
OBJECTIVE: Allopurinol is a medication indicated for the treatment and prevention of gout. Through various theorized mechanisms, there has been an observed benefit in reducing aggression in patients with dementia who are refractory to traditional interventions. This case series of eight patients reports the use of allopurinol to treat aggression at the Battle Creek Veterans Affairs Medical Center (BCVAMC). METHODS: Subjects' charts were accessed retrospectively to obtain data...
May 10, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28487949/identification-of-the-biologically-active-constituents-of-camellia-japonica-leaf-and-anti-hyperuricemic-effect-in%C3%A2-vitro-and%C3%A2-in%C3%A2-vivo
#19
In-Soo Yoon, Dae-Hun Park, Jung-Eun Kim, Jin-Cheol Yoo, Min-Suk Bae, Deuk-Sil Oh, Jung-Hyun Shim, Chul-Yung Choi, Ki-Wan An, Eun-Il Kim, Gye-Yeop Kim, Seung-Sik Cho
Camellia japonica L. is a plant of which the seeds are used as a folk medicine, and it is native to South Korea, Japan and China. In previous study, triterpenes, flavonoids, tannins and fatty acids which have antiviral, antioxidant and anti inflammatory activity were reported from C. japonica leaf and flower. In Korea, the seed from this plant is used as a traditional medicine and in folk remedies for the treatment of bleeding and inflammation. However, the major issue associated with the use of the seed as a medicinal and/or functional food ingredient is its application to the pharmaceutical and food industry...
June 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28487781/hypocalciuric-hypercalcemia-due-to-impaired-renal-tubular-calcium-excretion-in-a-type-2-diabetic-patient
#20
Sihao Yang, Yan Ren, Xi Li, Haoming Tian, Zhenmei An, Tao Chen
The case we presented here was a 73-year-old gentleman, who was admitted to endocrinology department due to recurrent fatigue for 1 year. He had medical histories of type 2 diabetes for 18 years and developed CKD 4 years ago. He also suffered from dilated cardiomyopathy, and coronary heart disease, moderate sleep apnea syndrome, primary hypothyroidism, and gout. His treatment regimen was complicated which included Caltrate D and compound α-keto acid (1200 mg calcium/d). Laboratory examination revealed that his serum calcium level elevated, 24-hour urine calcium output decreased, PTH level was suppressed, and 25-hydroxyvitamin D was in normal low range...
2017: Case Reports in Endocrinology
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