The electronic states of the 3d(5) (Mn2+) electrons in the K2SiF6

The electronic states of the 3d(5) (Mn2+) electrons in the K2SiF6: Mn2+ phosphor are identified together with those of the 3d(3) (Mn4+) electrons in the conventional K2SiF6:Mn4+ red phosphor. The temperature-dependent photoluminescent properties are explained by the Erastin chemical structure aid of the electronic energy-band diagram of K2SiF6 with taking into account the effects of thermal emission of electrons in the Mn2+ excited states. (C) 2010 American Institute of Physics. [doi:10.1063/1.3481856]“
“Objective: To investigate the diagnostic value of the nuclear matrix protein 22 (NMP22) test in comparison to urine cytology for the detection of upper tract urothelial carcinoma. Patients and Methods: Patients with

transitional cell carcinoma of the upper urinary tract (n = 34) and patients with renal calculosis (n = 25) were included in this study. Voided urine samples and separated catheter urine specimens were assayed for NMP22 and cytological examination. Results: The sensitivity of the NMP22 test in separated and voided urine was 73.2 and 70.5%, respectively, compared to 64.7 and 58.8% of urine cytology. The specificity of the NMP22 test in

separated and voided urine was 88 and 92%, respectively, compared to 96 and 96% of urine cytology. The combination of separated and voided urine is the best method because the sensitivity is 79.41% and specificity 88%. There is a high agreement learn more of the NMP22 test in voided and separated urine (kappa = 0.795, p < 0.01), indicating that the voided urine is adequate for diagnosis. Conclusions: The NMP22 test has higher sensitivity but lower specificity than cytology. The combination of these two tests could be a very useful diagnostic method for detection of upper urothelial tumors. Copyright (C) 2011 S. Karger AG, Basel”
“Recent JAK inhibitor studies have identified broadband phenomena in the electric potentials produced by the brain. We report the finding of power-law scaling in these signals using subdural electrocorticographic recordings from the surface of human cortex. The power spectral density (PSD)

of the electric potential has the power-law form P(f)similar to Af = (chi) from 80 to 500 Hz. This scaling index, chi = 4.0 +/- 0.1, is conserved across subjects, area in the cortex, and local neural activity levels. The shape of the PSD does not change with increases in local cortical activity, but the amplitude, A, increases. We observe a “”knee”" in the spectra at f(0) similar or equal to 75Hz, implying the existence of a characteristic time scale tau = (2 pi f(0))(-1) similar or equal to 2-4ms. Below f(0), we explore two-power-law forms of the PSD, and demonstrate that there are activity-related fluctuations in the amplitude of a power-law process lying beneath the alpha/beta rhythms. Finally, we illustrate through simulation how, small-scale, simplified neuronal models could lead to these power-law observations.

Coptisine strongly inhibited RANKL-induced osteoclast formation w

Coptisine strongly inhibited RANKL-induced osteoclast formation when added during the early stage of bone marrow macrophage (BMM) cultures, suggesting that it acts on osteoclast precursors to inhibit RANKL/RANK signaling. Among the RANK signaling pathways, coptisine inhibited NF-kappa B p65 phosphorylations, which are regulated in response to RANKL in

BMMs. Coptisine also inhibited the RANKL-induced expression of NFATc1, which is a key transcription factor. In addition, 10 mu M coptisine significantly selleck screening library inhibited both the survival of mature osteoclasts and their pit-forming activity in cocultures. Thus, coptisine has potential for the treatment or prevention of several bone diseases characterized by excessive bone destruction.”
“The accuracy of density measurements and position resolution in flash (40 ns) radiography of thick objects with 24 Gev/c protons is investigated. A global model fit to step wedge data is shown to give a good description spanning the periodic table. The parameters obtained from the step wedge data are used to predict transmission through the French Test Object (FTO), a test object of nested spheres, to a precision better than 1%. Multiple trials have been used to show that the systematic errors are less than 2%. Absolute agreement between the average radiographic

measurements of the density and the known density is 1%. Spatial resolution has been measured to be 200 mu m at the center of the FTO. These data verify expectations of the benefits provided selleck compound by high energy hadron radiography for thick objects. (C) 2011 American Institute of Physics. [doi:10.1063/1.3580262]“
“The PB 203580 aqueous extract of Lespedeza cuneata G. Don. (ALC) induced vasorelaxation of phenylephrine precontracted aorta in a dose-dependent manner. This effect disappeared in the absence of functional endothelium. Pretreatment of the aortic tissues with N(G)-nitro-l-arginine methyl ester (l-NAME), or 1H-[1,2,4]-oxadiazole-[4,3-alpha]-quinoxalin-1-one (ODQ) blocked ALC-induced

vascular relaxation. Incubation of endothelium-intact thoracic aortic rings with ALC increased cGMP production. ALC-induced cGMP production was blocked by pretreatment with l-NAME or ODQ. ALC-induced vascular relaxation was also markedly attenuated by addition of verapamil or diltiazem, but was not blocked by pretreatment with indomethacine, glibenclamide, tetraethylammonium, atropine, or propranolol. The results suggest that ALC dilates vascular smooth muscle via endothelium-dependent NO-cGMP signaling.”
“Phase-field modeling is used to study the domain evolution of nano-scaled ferroelectric devices influenced by the mechanical strain of an underlying substrate. The investigations focus on the design of the energy harvesting systems to convert mechanical into electrical energy. Mechanical energy is provided by an alternating in-plane strain in the substrate through bending or unidirectional stretching.

Lesional sizes were quantified

Lesional sizes were quantified Alvocidib in vitro by software.

Results: Laser irradiation consistently produced

sub-occlusive thermal coagula. Thrombosis was triggered in all irradiated venules in a thermal coagulum-independent manner and peaked at 6.25 min post-irradiation. Heparin decreased the maximum thrombus size and caused thrombosis to reach a maximum at 1.25 min. Immunoblocking of GPIb alpha abated the extent of thrombosis, whereas immunoblocking of P-selectin had no effect.

Conclusions: The hemodynamic response ensues the photothermal response in a thermal coagulum-independent manner and involves primary and secondary hemostasis. Primary hemostasis is mediated by constitutively expressed GPIb alpha but not by activation-dependent P-selectin. (C) 2011 Japanese Society for Investigative Dermatology. Published by Elsevier Ireland Ltd. All rights reserved.”
“The dynamical behavior of a magnetic nanoparticle contaminated by pointlike impurities is studied by using a spin dynamics numerical simulation. It was observed that the impurities can behave both as pinning (attractive) and as scattering (repulsive) sites. A Gaussian profile was observed for the interaction potential energy ranging up to two lattice parameters. Using the known values of the parameters for Permalloy-79

we have calculated the interaction energy of the vortex core with a single defect. We estimated the interaction range as approximately 10nm. Both results agree quite well with experimental measurements. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3573518]“
“Background: The chronic proliferative dermatitis mutation selleck inhibitor (CPDM) in mice, due to Sharpin deficiency (Sharpin(cpdm)), is a multisystem disorder characterized by peripheral blood eosinophilia and eosinophil infiltration of affected tissues including the skin, bone marrow, spleen, lung, heart, and other organs. The epidermis has numerous apoptotic keratinocytes which increase with age, coalesce, form vesicles, and rupture causing ulceration.

Objective: Dihydrotestosterone concentration To clarify the molecular pathways involved in the keratinocyte apoptosis

caused by loss of function of SHARPIN in mice.

Method: 10-week-old Sharpin(cpdm) and wildtype mice were used for experiments. Ultrastructural changes of skin were evaluated by transmission electron microscopy. Cross points of mitochondrial pathway were analyzed by in vitro and in vivo cellular and molecular assays.

Results: 77.5% skin cells in Sharpin(cpdm) mice were functionally apoptotic and dead cells, compared to only 18.1% unhealthy skin cells in wildtype mice, indicated by annexin-V/propidium iodide FACS analysis. Mitochondria in keratinocytes were disrupted containing prominent electron dense inclusions and membrane potential depolarization, accompanied by a shift in protein expression between the antiapoptotic BCL2 and pro-apoptotic BAX proteins.

The clinical course of 87 living liver donors operated on at our

The clinical course of 87 living liver donors operated on at our center between 2002 and 2009 was retrospectively analysed and data pertaining to all complications

were retrieved. No donor mortality was observed and no donor suffered any life-threatening complication. Four donors (4.6%) developed biliary leakage, nine (10.3%) had to be readmitted to hospital and six (6.9%) required some or other type of reoperation related to the previous liver donation. Reoperations DZNeP in vivo included incisional or diaphragmatic hernia repair (n = 4), biliary leakage repair (n = 1) and segmental colon resection combined with diaphragmatic hernia repair (n = 1). There was a statistically significant difference in hospital

stay (P < 0.001), autologous blood transfusions (P < 0.001) and operating buy Linsitinib time (P < 0.005) when right lobe donations (Segments V-VIII) were compared with left lobe (Segments II-IV) and left lateral lobe (Segments II-III) donations, whereas no difference was found between these groups regarding hospital readmission, operative revisions and the incidence or severity of complications. Right lobe donation was associated with prolonged hospital stay, increased blood transfusions and prolonged operating time when compared with left and left lateral lobe donation, whereas donor mortality and morbidity did not differ between these groups.”
“Vitamin B-12 (cobalamin, Cbl) is an essential nutrient in human metabolism. Genetic diseases of vitamin B-12 utilisation constitute an important fraction of inherited newborn disease. Functionally, B-12 buy Dinaciclib is the cofactor for methionine synthase and methylmalonyl CoA mutase. To function as a cofactor, B-12 must be metabolised through a complex pathway that modifies its structure and takes it through subcellular compartments of the cell. Through the study of inherited disorders of vitamin B-12 utilisation, the genes for eight complementation groups have been identified, leading to the determination of the general structure of vitamin B-12

processing and providing methods for carrier testing, prenatal diagnosis and approaches to treatment.”
“P>Undertaking transplantation in highly sensitized African American (AA) patients as transplant recipients represents a unique challenge. We retrospectively compared the outcomes of AA with non-African American (NAA) patients who had panel reactive antibody > 80% and received deceased donor (DD) kidneys by virtual crossmatch. Immunosuppressive regimen included basiliximab induction and tacrolimus, mycophenolate acid and steroids maintenance. Among 835 consecutive transplants from 1998 to 2007, 142 (17%) were sensitized patients including 89 (16.6%) AA and 53 (17.7%) NAA patients. The AA group had similar 5-year incidence of acute rejection as NAA group (21.4% vs. 26.4%, P = 0.25).

Data suggest that opioid analgesics contributed to the increase i

Data suggest that opioid analgesics contributed to the increase in prenatal drug LBH589 mouse exposure and neonatal abstinence syndrome in Washington State. In accordance with current guidelines, our findings emphasize the need for clinicians to screen pregnant women for illicit and prescription drug use and minimize use of opioid analgesics during pregnancy.”
“Cyclosporin A is an immunosuppressant drug used to prevent graft rejection in organ transplantation. Side effects include toxicity to the kidney and liver. Recently, many experimental and clinical data have demonstrated

that CsA-induced toxicity is associated with increased production of reactive oxygen species (ROS) and lipid peroxidation LY333531 nmr in the kidney and liver. The aim of the study was ultrastructural examination of renal and liver epithelial cells in the course of chronic experimental CsA treatment. Rats were treated with CsA in a dose of 25 mg/kg/day. Animals developed failure of the kidney and the liver functions manifested by an increase in serum levels of creatinine, urea, uric acid, bilirubin, AST, and ALT and a decrease in total proteins. Ultrastructural examination of tubular epithelial cells and hepatocytes revealed dilatation of endoplasmic reticulum and injury to

mitochondria, formation of autolysosomes, and presence of single apoptotic cells. On the basis of a review of the literature Galardin price the authors suggest that mitochondrial and cell membrane system changes are, at least in part, a result of oxidative damage to the liver and renal tubular epithelial cells.”
“Purpose of reviewTo review optical imaging technologies in urologic surgery aimed to facilitate intraoperative imaging and tissue interrogation.Recent findingsEmerging new optical imaging technologies can be integrated in the operating room environment during minimally invasive and open surgery. These technologies include macroscopic fluorescence imaging that provides contrast enhancement between normal and diseased tissue and

microscopic imaging that provides tissue characterization.SummaryOptical imaging technologies that have reached the clinical arena in urologic surgery were reviewed, including photodynamic diagnosis, near infrared fluorescence imaging, optical coherence tomography, and confocal laser endomicroscopy.”
“BACKGROUND: Naphthenic acids are carboxylic acid compounds of oil sands wastewaters that contribute to aquatic toxicity. Biodegradation kinetics of an individual naphthenic acid compound in two types of continuous-flow bioreactors were investigated as a means of improving remediation strategies for these compounds.

RESULTS: This study evaluates the kinetics of biodegradation of trans-4-methy-1-cyclohexane carboxylic acid (trans-4MCHCA) using two bioreactor systems and a microbial culture developed in previous work.

f ) R Dahlgren, honeybush (Cyclopia Vent spp ), and the widely

f.) R. Dahlgren, honeybush (Cyclopia Vent. spp.), and the widely used food additive gum arabic (Acacia senegal (L.) Willd.). These and other potential crops are well-adapted PP2 mw to the many different soil and climatic conditions of Africa, in particular, drought and low nutrients. All can nodulate and fix nitrogen, with varying degrees of effectiveness and using a range of bacterial symbionts. The further development of these and other species is

essential, not only for African use, but also to retain the agricultural diversity that is essential for a changing world that is being increasingly dominated by a few crops such as soybean.”
“Poly(methyl methacrylate) (PMMA) and poly(methyl methacrylate)/clay nanocomposite (PMMA/OBT) were successfully prepared in

dioxan at room temperature via in situ radical polymerization initiated by a new Ni(II)alpha- Benzoinoxime complex as a single component in presence of 3% by weight of an organically modified bentonite (OBT) (originated from Maghnia, Algeria) and characterized by FTIR, (1)H-NMR and viscometry. Mainly intercalated and partially exfoliated PMMA/OBT nanocomposite was WH-4-023 elaborated and evidenced by X-Ray diffraction (XRD) and transmission electron microscopy (TEM). The intrinsic viscosity of PMMA/OBT nanocomposite is much higher than the one of pure PMMA prepared under the same conditions. Differential scanning calorimetry (DSC) displayed an increase of 10 degrees

C in the glass transition temperature of the elaborated PMMA/OBT nanocomposite relative to the one of pure PMMA. Moreover, the TGA analysis confirms a significant improvement of the thermal stability of PMMA/OBT nanocomposite compared to virgin PMMA: the onset degradation temperature of the nanocomposite, carried out under nitrogen atmosphere, increased by more than 45 degrees C. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 119: 3227-3233, 2011″
“Background: The successful control of insect disease vectors relies on a thorough understanding of their ecology and behaviour. However, knowledge of the ecology of many human disease vectors lags behind that of agricultural pests. This is partially due to the paucity of experimental tools for investigating their ecology under natural conditions without risk of exposure to disease. HSP990 supplier Assessment of vector life-history and demographic traits under natural conditions has also been hindered by the inherent difficulty of sampling these seasonally and temporally varying populations with the limited range of currently available tools. Consequently much of our knowledge of vector biology comes from studies of laboratory colonies, which may not accurately represent the genetic and behavioural diversity of natural populations. Contained semi-field systems (SFS) have been proposed as more appropriate tools for the study of vector ecology.

The first three genes are associated with a variety of extrapitui

The first three genes are associated with a variety of extrapituitary pathologies, for example, primary hyperparathyroidism with multiple endocrine neoplasia type 1, which might aid identification of these syndromes. By contrast, AIP mutations seem to occur in the setting of isolated

familial pituitary adenomas, particularly of the growth-hormone-secreting subtype. Awareness and identification of familial pituitary tumor syndromes is important because of potential associated pathologies and important implications for GNS-1480 ic50 family members. Here, we review the current knowledge of familial pituitary tumor syndromes.”
“Experimental and theoretical techniques are used to investigate the impact of tin doping on the formation and the thermal stability of oxygen-and carbon-related defects in electron-irradiated Czochralski silicon. The results verify previous reports that Sn doping reduces the formation of the VO defect and suppresses its conversion to the VO2 defect. Within experimental accuracy, a small delay in the growth of the VO2 defect is observed. Regarding carbon-related defects, it is determined selleck chemicals that Sn doping leads to a reduction in the formation of the CiOi, CiCs, and CiOi(Si-I) defects although an increase in their thermal stability is observed. The impact of strain induced in the lattice by the larger tin substitutional atoms, as well

as their association with intrinsic defects and carbon impurities, can be considered as an explanation to account for the above observations. The density functional theory calculations buy PRT062607 are used to study the interaction

of tin with lattice vacancies and oxygen- and carbon-related clusters. Both experimental and theoretical results demonstrate that tin co-doping is an efficient defect engineering strategy to suppress detrimental effects because of the presence of oxygen-and carbon-related defect clusters in devices. (C) 2011 American Institute of Physics. [doi:10.1063/1.3658261]“
“Intrinsic water use efficiency (WUE(intr)), the ratio of photosynthesis to stomatal conductance to water, is often used as an index for crop water use in breeding projects. However, WUE(intr) conflates variation in these two processes, and thus may be less useful as a selection trait than knowledge of both components. The goal of the present study was to determine whether the contribution of photosynthetic capacity and stomatal conductance to WUE(intr) varied independently between soybean genotypes and whether this pattern was interactive with mild drought. Photosynthetic capacity was defined as the variation in WUE(intr) that would occur if genotypes of interest had the same stomatal conductance as a reference genotype and only differed in photosynthesis; similarly, the contribution of stomatal conductance to WUE(intr) was calculated assuming a constant photosynthetic capacity across genotypes.

Responder analyses showed a significant improvement with mirabegr

Responder analyses showed a significant improvement with mirabegron 50 and 100mg in terms of dry rates, 50% reduction in check details mean number

of incontinence episodes/24hr, and the proportion of patients with 8 micturitions/24hr at final visit. The benefit of mirabegron 50 and 100mg was also evident in patients 65 years of age, and in both treatment-naive patients and those who previously discontinued antimuscarinic therapy. These data therefore demonstrate a clinically meaningful benefit with mirabegron in the objective endpoints of OAB. Assessment of measures of health-related quality of life and treatment satisfaction showed that patients perceived treatment with mirabegron as meaningful. In OAB clinical trials of up to 12 months mirabegron

appeared to be well tolerated. The most common adverse events (AEs) observed with mirabegron in clinical trials of up to 12 months were hypertension, nasopharyngitis, and urinary tract infection. The incidence of dry mouth was similar to placebo, and was between three and fivefold less than for tolterodine extended release 4mg. Since dry mouth is the most bothersome AE associated with antimuscarinic drugs and often a reason for treatment discontinuation, mirabegron may be a valuable treatment option for these patients.

ConclusionsIn Phase III clinical trials, mirabegron at daily doses of selleck kinase inhibitor 25, 50, and 100 mg demonstrated significant efficacy in treating symptoms of OAB and, at doses of 50 and 100 mg, demonstrated significant improvements versus placebo on key secondary endpoints, as early as the first assessment (week 4), and these were maintained throughout treatment.

Autophagy assay In OAB clinical trials of up to 12 months, mirabegron appeared to be well tolerated. Neurourol. Urodynam. 33:17-30, 2014. (c) 2013 Wiley Periodicals, Inc.”
“The myelodysplastic syndromes (MDS) are a collection of clonal myeloid neoplasms characterized by bone marrow failure and cytopenias. Patients classified with higher-risk disease include those with intermediate-2 or high-risk disease as classified by the International Prognostic Scoring System (IPSS). These patients represent 29% of the MDS population and were originally reported to have a median survival without therapy of only 0.4 for high-risk patients and 1.1 years for intermediate-2 risk patients. The most significant treatment goals in these patients involve prolonging the time to acute myeloid leukemia progression and extending overall survival. Quality of life, symptom control, and transfusion independence are also important.

The National Comprehensive Cancer Network guidelines divide treatment options for this population into high- and low-intensity therapies. High-intensity therapies include cytarabine-based remission induction chemotherapy and hematopoietic stem cell transplantation.

The impact of ventral hippocampal representations of salient situ

The impact of ventral hippocampal representations of salient situations on behavior is mediated by the ventral subiculum, ventromedial prefrontal cortex, and ventral striatum. Projecting via the ventral subiculum to the ventromedial prefrontal cortex and ventral striatum, the ventral hippocampus maps motivationally salient environmental

information, as well as emotional information reflective of the internal physiological milieu, onto an instrumental or emotional behavior mode that represents a specialized, more or less purposeful, state of behavioral arousal and global locomotor activation.”
“Aim: To examine the clinicopathologic features and the expression ERK inhibition of some oncogenic molecules in various RCCs in patients from Upper Egypt.

Materials and Methods: The authors examined the expression pattern of pVHL; MET; and TFE3 proteins in 59 RCC using immunoperoxidase staining methods. The study group consisted of clear cell

RCCs (CRCC); papillary RCCs type 1 (PRCC1); papillary RCCs type 2 (PRCC2); Xp11-2 translocation RCCs (XP11.2RCC); chromophobe RCCs click here (ChRCC); and sarcomatoid RCCs (SRCC).

Results: Variations were found in the expression of these molecules in the different types of RCCs. The mean age of RCCs among Egyptians was 52.70 +/-+/- 1.73 years; with male sex predominance. Mass lesion; pain; and hematuria were the main presenting features. Metastatic disease was more frequent with CRCC variant. pVHL expression was strong in PCRCC2; Xp11.2RCC; and ChRCC; moderate in CRCC; and weak in both PRCC1 and sarcomatoid RCC. MET protein expression was moderate in Xp11.2RCC; PRCC1; PRCC2; and sarcomatoid RCC. TFE3 protein expression was strong in Xp11.2RCC and PRCC2 variants. The expression was moderate in PRCC1; CRCC; ChRCC; and sarcomatoid RCC. Positive correlation was found in the expression of the different proteins (pVHL; MET; and TFE3) and some histological features (tumor grade; inflammation; necrosis and metastasis) and the presence of metastasis and some histological features (inflammation and/or necrosis).

Conclusions: This study provides the first indication about the clinicopathologic

features of RCCs in Upper Egypt. The variable expression of these molecules in the different variants of RCC suggests that several oncogenic Lonafarnib pathways are operational in their development.”
“Fractured vertebral bodies are often stabilized by vertebroplasty. Several parameters, including fracture type, cement filling shape, cement volume, elastic moduli of cement, cancellous bone and fractured region, may all affect the stresses in the augmented vertebral body and in bone cement. The aim of this study was to determine numerically the effects of these input parameters on the stresses caused. In a probabilistic finite element study, an osteoligamentous model of the lumbar spine was employed. Seven input parameters were simultaneously and randomly varied within appropriate limits for > 110 combinations thereof.

However, our understanding of the regulatory modules that govern

However, our understanding of the regulatory modules that govern both of these processes is limited. An emerging theme in plant development is microRNA (miRNA)-mediated gene regulation of transcription factors, including several NAC domain family members such IPI-145 cell line as CUP-SHAPED COTYLEDON2 (CUC2). We uncovered a novel allele of CUC2, cuc2-1D, that revealed important functions of miRNAs and CUC2 in a regulatory module governing lateral organ enlargement and patterning. cuc2-1D carried a single point mutation in the CUC2 miRNA target site, disrupting

miRNA targeting. Disruption of the tight balance between CUC2 and its targeting miRNA, miRNA164, led to over-accumulation of CUC2 mRNA and expansion of the CUC2 expression domain. cuc2-1D plants had enlarged vegetative and reproductive lateral organs relative to wild-type plants. Mechanistically, these enlarged organs resulted from an increase in cell proliferation that occurred over a longer developmental time frame relative to wild-type. This organ enlargement was dependent on the receptor-like kinase, ERECTA (ER). This see more and lateral organ patterning phenotypes

in cuc2-1D suggest that miRNA164 and CUC2 are critical regulators of both processes. Therefore, we propose that miRNA164 and CUC2 form a central regulatory module that acts as a governor of lateral organ patterning and expansion.”
“Research on biohydrometallurgy of secondary metal resources is primarily focused on the leaching of valuable metals. For secondary metal compound screening assay resources biological processing can be an economically more effective and environmentally friendlier alternative to traditional hydrometallurgical and pyrometallurgical processes. Therefore, biohydrometallurgy is a rapidly evolving biotechnology that has already provided revolutionary solutions to old problems associated with recovery of metals

by conventional pyrometallurgy and chemical metallurgy. This review evaluates various processes of recovery of metals from waste materials and commercial applications are discussed. Case studies and future technology directions are reviewed. (c) 2013 Society of Chemical Industry”
“Background: Patients with heart failure with preserved ejection fraction (HFpEF) may present with Pulmonary hypertension (PH) and functional mitral regurgitation (MR). Whether PH is linked to the presence of functional MR has not been investigated in HFpEF patients.

Methods and Results: Systolic pulmonary artery pressure (sPAP) and functional MR were assessed by 2-dimensional Doppler echocardiography in 70 ambulatory HFpEF patients and 70 hypertensive control subjects free of organic mitral valve lesions, significant valve disease, and comorbid conditions associated with PH.