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Response to pharmacological and device-based therapy for heart failure (HF) may vary by sex. We examined sex differences in response to ambulatory hemodynamic monitoring in clinical practice using the CardioMEMS PAS (Post-Approval Study).
The CardioMEMS PAS was a prospective, single-arm, multicenter, open-label study of 1200 adults with New York Heart Association class III HF and at least 1 HF hospitalization (HFH) within 12 months who underwent pulmonary artery pressure sensor implantation between 2014 and 2017. Changes in pulmonary artery pressure over time were stratified by ejection fraction <40% and sex. Clinical outcomes including HFH rate at 12 months, 1-year mortality, and quality of life were examined in women and men.
Four hundred fifty-two women (38% of total) enrolled in the PAS were less likely to be White (78% versus 86%) and more likely to have nonischemic cardiomyopathy (44% versus 34%) and had significantly higher SBP (132 versus 124 mm Hg), mean ejection fraction (44% versus 36%), aEMS PAS had similar reductions from baseline in pulmonary artery pressure over 1 year and experienced similar reductions in HFH. Hemodynamic monitoring provides similar benefit with regard to HF events in both women and men. Selleck WM-8014 Registration URL https//www.clinicaltrials.gov; Unique identifier NCT02279888.
Cardiomyopathy is a major clinical feature in Barth syndrome (BTHS), an X-linked mitochondrial lipid disorder caused by mutations in
(
), encoding a mitochondrial acyltransferase required for cardiolipin remodeling. Despite recent description of a mouse model of BTHS cardiomyopathy, an in-depth analysis of specific lipid abnormalities and mitochondrial form and function in an in vivo BTHS cardiomyopathy model is lacking.
We performed in-depth assessment of cardiac function, cardiolipin species profiles, and mitochondrial structure and function in our newly generated
cardiomyocyte-specific knockout mice and Cre-negative control mice (n≥3 per group).
cardiomyocyte-specific knockout mice recapitulate typical features of BTHS and mitochondrial cardiomyopathy. Fewer than 5% of cardiomyocyte-specific knockout mice exhibited lethality before 2 months of age, with significantly enlarged hearts. More than 80% of cardiomyocyte-specific knockout displayed ventricular dilation at 16 weeks of age and surviveodel mirrors multiple physiological and biochemical aspects of BTHS cardiomyopathy. Our results give important insights into the underlying cause of BTHS cardiomyopathy and provide a framework for testing therapeutic approaches to BTHS cardiomyopathy, or other mitochondrial-related cardiomyopathies.
Trimethylamine N-oxide (TMAO)-a gut-derived metabolite-is elevated in heart failure (HF) and linked to poor prognosis. We investigated variations in TMAO in HF, left ventricular assist device (LVAD), and heart transplant (HT) and assessed its relation with inflammation, endotoxemia, oxidative stress, and gut dysbiosis.
We enrolled 341 patients. TMAO, CRP (C-reactive protein), IL (interleukin)-6, TNF-α (tumor necrosis factor alpha), ET-1 (endothelin-1), adiponectin, lipopolysaccharide, soluble CD14, and isoprostane were measured in 611 blood samples in HF (New York Heart Association class I-IV) and at multiple time points post-LVAD and post-HT. Gut microbiota were assessed via 16S rRNA sequencing among 327 stool samples. Multivariable regression models were used to assess the relationship between TMAO and (1) New York Heart Association class; (2) pre- versus post-LVAD or post-HT; (3) biomarkers of inflammation, endotoxemia, oxidative stress, and microbial diversity.
ln-TMAO was lower among HF New York He levels were independent from measures of inflammation, endotoxemia, oxidative stress, and gut dysbiosis.The effective implementation of locally adapted cancer care solutions in low- and middle-income countries continues to be a challenge in the face of fragmented and inadequately resourced health systems. Consequently, the translation of global cancer care targets to local action for patients has been severely constrained. City Cancer Challenge (C/Can) is leveraging the unique value of cities as enablers in a health systems response to cancer that prioritizes the needs of end users (patients, their caregivers and families, and health care providers). C/Can's City Engagement Process is an implementation framework whereby local stakeholders lead a staged city-wide process over a 2- to 3-year period to assess, plan, and execute locally adapted cancer care solutions. Herein, the development and implementation of the City Engagement Process Framework (CEPF) is presented, specifying the activities, outputs, processes, and indicators across the process life cycle. Lessons learned on the application of the framework in the first so-called Key Learning cities are shared, focusing on the early outputs from Cali, Colombia, the first city to join C/Can in 2017. Creating lasting change requires the creation of a high-trust environment to engage the right stakeholders as well as adapting to local context, leveraging local expertise, and fostering a sustainability mindset from the outset. In the short term, these early learnings inform the refinement of the approach in new cities. Over time, the implementation of this framework is expected to validate the proof-of-concept and contribute to a global evidence base for effective complex interventions to improve cancer care in low- and middle-income countries.Potato cyst nematodes (PCN), the umbrella term for Globodera rostochiensis and G. pallida, co-evolved with their Solanaceous hosts in the Andeans. From there, PCN proliferated worldwide to virtually all potato production areas. PCN is a major factor limiting the potato production in Indonesia. In our survey, only G. rostochiensis was found. Fourteen field populations were collected on Java and Sumatra, and unique variants were called by mapping re-sequencing data on a G. rostochiensis reference genome. A phylogenetic tree based on 1.4 million unique variants showed a genotypic separation between the outgroup, a Scottish Ro1 population, and all Indonesian populations. This separation was comparable in size to the genotypic distinction between the Javanese and the Sumatran PCN populations. Next, variants within PCN effector gene families SPRYSEC, 1106, 4D06, and venom allergen-like protein (VAL) that all interfere with the host innate immune system were compared. Distinct selective pressures acted on these effector families; while SPRYSECs (4,341 SNPs/indels) behaved like neutral genes, the phylogenetic trees of 1106, 4D06 and VAL proteins (respectively 235, 790 and 150 SNPs/indels) showed deviating topologies. Our data suggest that PCN was introduced on Java not too long after the introduction of potato in the middle of the 18th century. Soon thereafter, the pathogen established on Sumatra, and started to diversify independently. This scenario was corroborated by diversification patterns of the effector families 1106, 4D06 and VAL. Our data demonstrate how genome re-sequencing data from a non-indigenous pathogen can be used to reconstruct the introduction and diversification process.Wheat stripe rust, caused by Puccinia striiformis f. sp. tritici (PST), is one of the most important diseases of wheat worldwide. In China, Longnan (LN) and Longdong (LD), in the south and east of Gansu province, are important PST over-summering areas and are a source of PST inoculum for the major wheat-growing regions in eastern China. Central Shaanxi (CS) is a wheat-growing region that acts as an important bridge zone for stripe rust epidemic development between LN and LD in the west, and the Huanghuai wheat-growing region in the east, and thus plays an essential role in PST epidemics in China. To study the relationships among PST populations in the three regions (LN, LD and CS), we sampled 284 isolates from different geographic locations. Based on 10 SSR markers, the results demonstrated high genetic diversity in all three regions although diversity did vary between region with LN > LD > CS. Genetic differentiation was lower with more extensive gene flow between LD and CS. PST populations in the CS region were genetically closer to those from LD than from LN, which may be due to geographical proximity and topography. A positive and significant correlation existed between linearized FST and the log of geographical distances among all subpopulations. Linkage disequilibrium analysis showed that subpopulations of PST from Qinzhou, Qincheng, Beidao, and Maiji from LN, and Qianyang and Longxian from CS were in equilibrium (P > 0.05), suggesting somatic hybridization and/or sexual reproduction may exist in these subpopulations.Maize (Zea mays L.) is a cereal crop of great economic importance in Italy; production is currently of 62,587,469 t, with an area that covers 628,801 ha, concentrated in northern Italy (ISTAT 2020). Fusarium species are associated with root and crown rot causing failures in crop establishment under high soil moisture. In 2019 maize seedlings collected in a farm located in San Zenone degli Ezzelini (VI, Italy) showed root and crown rot symptoms with browning of the stem tissues, wilting of the seedling, and collapsing due to the rotting tissues at the base of the stem. The incidence of diseased plants was approximately 15%. Seedlings were cleaned thoroughly from soil residues under tap water. Portions (about 3-5 mm) of tissue from roots and crowns of the diseased plants were cut and surface disinfected with a water solution of NaClO at 0.5% for 2 minutes and rinsed in sterile H20. The tissue fragments were plated on Potato Dextrose Agar (PDA) amended with 50 mg/l of streptomycin sulfate and incubated for 48-72128/JCM.00989-10 Osawa H et al. 2020. Journal of General Plant Pathology, doi.org/10.1007/s10327-020-00969-5. Skovgaard K 2003. Mycologia, 954, 630-636, DOI 10.1080/15572536.2004.11833067. Wang J et al. 2018. Plant Disease, 102, doi/10.1094/PDIS-07-17-1011-PDN Xi K et al. 2019. Plant Disease, 103, doi/10.1094/PDIS-09-18-1674-PDN.Hairy vetch Vicia villosa Roth is widely grown in southwestern China for green manure and forage. In December 2019, a leaf disease occurred on 80% plants of V. villosa var. glabrescens in an eight-hectare field in Qujing(N 25°28'12″, E 103°36'22″), Yunnan Province, China. The disease leaves had irregular, brown to dark brown leaf spots with white mold. Twenty diseased leaves from five plants were randomly collected from the field. The leaf samples were sterilized with 75% ethanol for 30 s and 1% NaClO for 75 s, rinsed three times with sterile distilled water, surface water removed with sterile filter paper, and placed onto potato dextrose agar (PDA) for culture at 20oC. The obtained fungal isolates were purified by transferring 1 to 2 mm hyphal tips onto fresh PDA plates and cultured under the same temperature condition. The isolates grew slowly, at a rate of 0.7 mm/d at 20℃ for 4 weeks. A diseased plant specimen (accession MHLZU19326) and three isolates (accessions YN1931401, YN1931402, and YN1931403) were disolated and identified as described above. R. sphaeroidea has been reported on V. fabae and V. sativa in Ethiopia and Israel (Braun 1998), on various Vicia species including V. villosa in California, the United States (Koike et al. 2004) and on V. craccain China (Zhang et al. 2006), but to our knowledge, this is the first report of this fungus causing leaf spot on V. villosa in China.
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