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https://www.readbyqxmd.com/read/29202495/disordered-cyp11b2-expression-in-primary-aldosteronism
#1
Celso E Gomez-Sanchez, Maniselvan Kuppusamy, Martin Reincke, Tracy Ann Williams
Primary aldosteronism is the most common type of secondary hypertension affecting 6-10% of patients with primary hypertension. PA is mainly caused by unilateral hyperaldosteronism due to an aldosterone-producing adenoma, unilateral hyperplasia with or without micronodules or bilateral zona glomerulosa hyperplasias with or without macro or micronodules. The development of antibodies against the terminal enzyme of aldosterone biosynthesis (CYP11B2) has permitted the further characterization of normal adrenals and resected adrenals from patients with primary aldosteronism...
December 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29202494/aldosterone-producing-cell-clusters-in-normal-and-pathological-states
#2
Kei Omata, Scott A Tomlins, William E Rainey
Primary aldosteronism (PA) significantly increases the risk of cardiovascular complications, and early diagnosis and targeted treatment based on its pathophysiology is warranted. Next-generation sequencing (NGS) has revealed recurrent somatic mutations in aldosterone-driving genes in aldosterone-producing adenoma (APA). By applying CYP11B2 (aldosterone synthase) immunohistochemistry and NGS to adrenal glands from normal subjects and PA patients, we and others have shown that CYP11B2-positive cells make small clusters, termed aldosterone-producing cell clusters (APCC), beneath the adrenal capsule, and that APCC harbor somatic mutations in genes mutated in APA...
December 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29114994/alcohol-consumption-among-first-and-second-generation-immigrant-and-native-adolescents-in-23-countries-testing-the-importance-of-origin-and-receiving-country-alcohol-prevalence-rates
#3
Lisa S Barsties, Sophie D Walsh, Tim Huijts, Pernille Bendtsen, Michal Molcho, Thomas Buijs, Alessio Vieno, Frank J Elgar, Gonneke W J M Stevens
INTRODUCTION AND AIMS: This internationally comparative study examines differences in alcohol consumption between first- and second-generation immigrant and native adolescents. We also investigate to what extent origin and receiving country alcohol per capita consumption (APCC) rates and proportions of heavy episodic drinkers (HED) are associated with immigrant adolescents' alcohol consumption. DESIGN AND METHODS: We used cross-sectional survey data from the 2013/2014 Health Behaviour in School-aged Children study...
November 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/29065434/unanswered-questions-in-the-genetic-basis-of-primary-aldosteronism
#4
Ute I Scholl
Over the past six years, the genetic basis of a significant fraction of primary aldosteronism (PA) cases has been solved. Breakthrough discoveries include the role of somatic variants in the KCNJ5, CACNA1D, ATP1A1, and ATP2B3 genes as causes of aldosterone-producing adenomas (APAs), and the recognition of three novel hyperaldosteronism syndromes with germline variants in the KCNJ5, CACNA1D, and CACNA1H genes. The description of somatic variants in CACNA1D and ATP1A1 in aldosterone-producing cell clusters (APCCs) suggests that these clusters are precursors of some aldosterone-producing adenomas...
October 24, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29051804/review-of-recombinant-anti-haemophilic-porcine-sequence-factor-viii-in-adults-with-acquired-haemophilia-a
#5
REVIEW
Emma Fosbury, Anja Drebes, Anne Riddell, Pratima Chowdary
Acquired haemophilia A (AHA) is a rare, serious bleeding disorder most often encountered in elderly patients. The mainstay of haemostatic management is with bypassing agents (BPAs) including recombinant activated factor VII (rFVIIa) and activated prothrombin complex concentrates (aPCCs). Their major limitation is incomplete efficacy, potential risk for thrombosis and the lack of routine laboratory assays for monitoring treatment response. Plasma-derived porcine FVIII (pd-pFVIII, Hyate C(®)), first used in the 1950s for the management of congenital haemophilia, has sufficient sequence homology to be haemostatic in humans, but the lack of complete homology facilitates efficacy even in the presence of human allo- and autoantibodies against human FVIII (hFVIII)...
September 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28916334/special-issue-11th-apccs-2016-chemistry-environmental-biotechnology-and-biomedical-aspects-of-chitin-and-chitosan
#6
EDITORIAL
R Jayakumar, S Meenakshi
No abstract text is available yet for this article.
November 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28886137/fast-sparse-fractal-image-compression
#7
Jianji Wang, Pei Chen, Bao Xi, Jianyi Liu, Yi Zhang, Shujian Yu
As a structure-based image compression technology, fractal image compression (FIC) has been applied not only in image coding but also in many important image processing algorithms. However, two main bottlenecks restrained the develop and application of FIC for a long time. First, the encoding phase of FIC is time-consuming. Second, the quality of the reconstructed images for some images which have low structure-similarity is usually unacceptable. Based on the absolute value of Pearson's correlation coefficient (APCC), we had proposed an accelerating method to significantly speed up the encoding of FIC...
2017: PloS One
https://www.readbyqxmd.com/read/28798296/water-circulation-and-marine-environment-in-the-antarctic-traced-by-speciation-of-129-i-and-127-i
#8
Shan Xing, Xiaolin Hou, Ala Aldahan, Go Ran Possnert, Keliang Shi, Peng Yi, Weijian Zhou
Emissions of anthropogenic (129)I from human nuclear activities are now detected in the surface water of the Antarctic seas. Surface seawater samples from the Drake Passage, Bellingshausen, Amundsen, and Ross Seas were analyzed for total (129)I and (127)I, as well as for iodide and iodate of these two isotopes. The variability of (127)I and (129)I concentrations and their species ((127)I(-)/(127)IO3(-), (129)I(-)/(129)IO3(-)) suggest limited environmental impact where ((1.15-3.15) × 10(6) atoms/L for (129)I concentration and (0...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641362/estimating-the-potential-cost-of-a-high-dose-immune-tolerance-induction-iti-therapy-relative-to-the-cost-of-a-combined-therapy-of-a-low-dose-iti-therapy-with-bypassing-agent-prophylaxis
#9
G Kenet, A Oladapo, J D Epstein, C Thompson, A Novack, D J Nugent
INTRODUCTION: The International Immune Tolerance Study (I-ITI) demonstrated comparable success rates between low (FVIII 50 IU/kg/TIW) and high dose (FVIII 200 IU/kg/day) regimens. While costlier, the high dose ITI regimen achieved shorter time-to-treatment success with fewer bleeding episodes compared to the low dose ITI regimen. Adding bypassing agent prophylaxis (BAP) to a low dose ITI regimen may reduce bleeding while still being less costly than high dose ITI. AIM AND METHODS: An economic model was developed to compare high dose ITI to low dose ITI with BAP...
June 22, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28600530/global-temporal-patterns-of-pancreatic-cancer-and-association-with-socioeconomic-development
#10
Martin C S Wong, Johnny Y Jiang, Miaoyin Liang, Yuan Fang, Ming Sze Yeung, Joseph J Y Sung
Pancreatic cancer induces a substantial global burden. We examined its global incidence/mortality rates and their correlation with socioeconomic development (Human Development Index [HDI] and Gross Domestic Product [GDP] in 2000 as proxy measures). Data on age-standardized incidence/mortality rates in 2012 were retrieved from the GLOBOCAN database. Temporal patterns in 1998-2007 were assessed for 39 countries according to gender. The Average Annual Percent Change (AAPC) of the incidence/mortality trends was evaluated using joinpoint regression analysis...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28566337/age-related-autonomous-aldosteronism
#11
Kazutaka Nanba, Anand Vaidya, Gordon H Williams, Isabel Zheng, Tobias Else, William E Rainey
BACKGROUND: Both aging and inappropriate secretion of aldosterone increase the risk for developing cardiovascular disease; however, the influence of aging on aldosterone secretion and physiology is not well understood. METHODS: The relationship between age and adrenal aldosterone synthase (CYP11B2) expression was evaluated in 127 normal adrenal glands from deceased kidney donors (age, 9 months to 68 years). Following immunohistochemistry, CYP11B2-expressing area and areas of abnormal foci of CYP11B2-expressing cells, called aldosterone-producing cell clusters, were analyzed...
July 25, 2017: Circulation
https://www.readbyqxmd.com/read/28455651/-management-of-hemorrhage-in-patients-treated-with-direct-oral-anticoagulants
#12
REVIEW
O Grottke, H Lier, S Hofer
The introduction of nonvitamin K antagonistic, direct oral anticoagulants (DOAC) made thromboembolic prophylaxis easier for patients. For many physicians, however, there is still uncertainty about monitoring, preoperative discontinuation, and restarting of DOAC therapy. Guidelines for the management of bleeding are provided, but require specific therapeutic skills in the management of diagnostics and therapy of acute hemorrhage. Small clinical studies and case reports indicate that unspecific therapy with prothrombin complex concentrates (PCC) and activated PCC (aPCC) concentrate may reverse DOAC-induced anticoagulation...
September 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28420167/treatment-and-prevention-of-bleeds-in-haemophilia-patients-with-inhibitors-to-factor-viii-ix
#13
REVIEW
Angiola Rocino, Massimo Franchini, Antonio Coppola
The development of alloantibodies neutralising therapeutically administered factor (F) VIII/IX (inhibitors) is currently the most severe complication of the treatment of haemophilia. When persistent and at a high titre, inhibitors preclude the standard replacement treatment with FVIII/FIX concentrates, making patients' management challenging. Indeed, the efficacy of bypassing agents, i.e., activated prothrombin complex concentrates (aPCC) and recombinant activated factor VII (rFVIIa), needed to overcome the haemostatic interference of the inhibitor, is not comparable to that of factor concentrates...
April 17, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28361988/international-incidence-and-mortality-trends-of-liver-cancer-a-global-profile
#14
Martin C S Wong, Johnny Y Jiang, William B Goggins, Miaoyin Liang, Yuan Fang, Franklin D H Fung, Colette Leung, Harry H X Wang, Grace L H Wong, Vincent W S Wong, Henry L Y Chan
We examined the global incidence and mortality rates of liver cancer, and evaluated the association between incidence/mortality and socioeconomic development (Human Development Index [HDI] and Gross Domestic Product [GDP]) using linear regression analysis. The average annual percent change (AAPC) of the trends was evaluated from join-point regression analysis. The global incidence of liver cancer varied widely by nine-fold, and was negatively correlated with HDI (men: r = -0.232, p = 0.003; women: r = -0...
March 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28360881/hemostasis-in-intracranial-hemorrhage
#15
REVIEW
Deepak Gulati, Dharti Dua, Michel T Torbey
Spontaneous non-traumatic intracerebral hemorrhage (ICH) is associated with high morbidity and mortality throughout the world with no proven effective treatment. Majority of hematoma expansion occur within 4 h after symptom onset and is associated with early deterioration and poor clinical outcome. There is a vital role of ultra-early hemostatic therapy in ICH to limit hematoma expansion. Patients at risk for hematoma expansion are with underlying hemostatic abnormalities. Treatment strategy should include appropriate intervention based on the history of use of antithrombotic use or an underlying coagulopathy in patients with ICH...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28243997/safety-and-effectiveness-of-factor-viii-inhibitor-bypassing-activity-feiba-and-fresh-frozen-plasma-in-oral-anticoagulant-associated-intracranial-hemorrhage-a-retrospective-analysis
#16
Ellen B Yin, Benedict Tan, Thuy Nguyen, Miguel Salazar, Kimberly Putney, Pramod Gupta, Jose I Suarez, Eric M Bershad
BACKGROUND: Oral anticoagulant (OAT)-associated intracranial hemorrhage (ICH) is a life-threatening emergency for which prothrombin complex concentrates (PCC) are considered first-line reversal agents. The only approved PCC in the USA for warfarin-associated ICH is non-activated PCC. Little data are available regarding the safety and effectiveness of factor VIII inhibitor bypassing activity (FEIBA) which is an activated prothrombin complex concentrate (aPCC). The aim of this analysis was to assess the safety and effectiveness of FEIBA compared to fresh frozen plasma (FFP) for reversal of OAT-associated ICH...
August 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28239301/the-reversal-effect-of-prothrombin-complex-concentrate-pcc-activated-pcc-and-recombinant-activated-factor-vii-against-anticoagulation-of-xa-inhibitor
#17
Nina Haagenrud Schultz, Hoa Thi Tuyet Tran, Stine Bjørnsen, Carola Elisabeth Henriksson, Per Morten Sandset, Pål Andre Holme
BACKGROUND: An increasing number of patients are treated with direct-acting oral anticoagulants (DOACs), but the optimal way to reverse the anticoagulant effect is not known. Specific antidotes are not available and prothrombin complex concentrate (PCC), activated PCC (aPCC) and recombinant factor VIIa (rFVIIa) are variously used as reversal agents in case of a major bleeding. We aimed to determine the most effective haemostatic agent and dose to reverse the effect of rivaroxaban in blood samples from patients taking rivaroxaban for therapeutic reasons...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28222322/reversal-of-dabigatran-associated-major-bleeding-with-activated-prothrombin-concentrate-a-prospective-cohort-study
#18
MULTICENTER STUDY
Sam Schulman, B Ritchie, S Nahirniak, P L Gross, M Carrier, A Majeed, H-G Hwang, M Zondag
The reversal of dabigatran-associated major bleeding can now be achieved with the antidote idarucizumab. We evaluated activated prothrombin complex concentrate (aPCC) as an alternative for this purpose. Patients treated with dabigatran and suffering a major bleed were treated as per existing hospital protocol with aPCC. They were subsequently recruited for a 30-day follow-up. Effectiveness was evaluated by the treating physician, using an Assessment Guide. Safety outcomes were arterial or venous thromboembolism or death...
April 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28124406/recombinant-porcine-factor-viii-for-high-risk-surgery-in-paediatric-congenital-haemophilia-a-with-high-titre-inhibitor
#19
S E Croteau, Y L Abajas, A S Wolberg, B I Nielsen, G R Marx, C W Baird, E J Neufeld, P E Monahan
INTRODUCTION: High-titre factor VIII (FVIII) inhibitors complicate peri-operative haemostasis. Recombinant porcine FVIII (r-pFVIII) may provide an alternative haemostatic agent for high-risk procedures and allow FVIII activity monitoring. AIM: Devise an effective haemostatic plan for repair of a progressively symptomatic aortic coarctation in a 5-year-old male with immune tolerance induction (ITI) refractory high-titre FVIII inhibitors. METHODS: Preprocedure human FVIII inhibitor titre was 58 Bethesda Units mL(-1) (BU) and cross-reacted to neutralize porcine FVIII at 30 BU...
March 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/27967304/histopathological-classification-of-cross-sectional-image-negative-hyperaldosteronism
#20
Yuto Yamazaki, Yasuhiro Nakamura, Kei Omata, Kazue Ise, Yuta Tezuka, Yoshikiyo Ono, Ryo Morimoto, Yukinaga Nozawa, Celso E Gomez-Sanchez, Scott A Tomlins, William E Rainey, Sadayoshi Ito, Fumitoshi Satoh, Hironobu Sasano
CONTEXT: Approximately half of primary aldosteronism (PA) have clinically evident disease according to clinical (hypertension) and/or laboratory (aldosterone and renin levels) findings but do not have nodules detectable in routine cross-sectional imaging. However, the detailed histopathologic, steroidogenic and pathobiological features of cross-sectional image negative PA have not been well characterized. OBJECTIVE: Examine histopathology, steroidogenic enzyme expression and somatic mutation status of aldosterone-driver genes in adrenals from cross-sectional image negative hyperaldosteronism...
December 14, 2016: Journal of Clinical Endocrinology and Metabolism
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