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Atmospheric CO2 concentrations exert a strong influence on the susceptibility of plants to pathogens. However, the mechanisms involved in the CO2 -dependent regulation of pathogen resistance are largely unknown. Here we show that the expression of tomato (Solanum lycopersicum) β-CARBONIC ANHYDRASE 3 (βCA3) is induced by the virulent pathogen Pseudomonas syringae pv. tomato DC3000. The role of βCA3 in the high CO2 -mediated response in tomato and two other Solanaceae crops is distinct from that in Arabidopsis thaliana. Using βCA3 knock-out and over-expression plants, we demonstrate that βCA3 plays a positive role in the activation of basal immunity, particularly under high CO2 . βCA3 is transcriptionally activated by the transcription factor NAC43 and is also post-translationally regulated by the receptor-like kinase GRACE1. The βCA3 pathway of basal immunity is independent on stomatal- and salicylic-acid-dependent regulation. Global transcriptome analysis and cell wall metabolite measurement implicate cell wall metabolism/integrity in βCA3-mediated basal immunity under both CO2 conditions. These data not only highlight the importance of βCA3 in plant basal immunity under high CO2 in a well-studied susceptible crop-pathogen system, but they also point to new targets for disease management strategies in a changing climate.
To determine the concurrent validity of the Warner Initial Developmental Evaluation of Adaptive and Functional Skills (WIDEA-FS), a criterion-specified questionnaire that assesses a child's adaptive skills in everyday contexts, and the Bayley Infant and Toddler Scales of Development, Third Edition (Bayley-III).
In a prospective cohort study, 431 WIDEA-FS and Bayley-III assessments were completed among 341 children, aged 10 to 36months corrected age (158 females, 183 males; median [interquartile range] gestational age at birth 32wks [29-38]), monitored in a high-risk neonatal intensive care unit follow-up clinic.
WIDEA-FS scores were significantly associated with Bayley-III scores in all domains. Lower scores on the WIDEA-FS were significantly associated with an increased risk of adverse developmental performance on all Bayley-III scales. The association was strongest for motor and language Bayley-III scores when tested at <30months of age, and for cognitive Bayley-III scores when tested at ≥30months of age.
The WIDEA-FS has concurrent validity with the Bayley-III and may be a useful tool in high-risk follow-up settings.
WIDEA-FS mobility, communication, and social cognition domains are concurrently valid in infants at high-risk for neurodevelopmental disability. Bayley-III motor, language, and cognitive composite scores are concurrently valid in the same group. The WIDEA-FS mobility and communication domains may be most clinically useful in children <30months.
WIDEA-FS mobility, communication, and social cognition domains are concurrently valid in infants at high-risk for neurodevelopmental disability. Bayley-III motor, language, and cognitive composite scores are concurrently valid in the same group. The WIDEA-FS mobility and communication domains may be most clinically useful in children less then 30 months.
Blood or bone marrow transplantation (BMT) survivors with frailty are at a higher risk of subsequent mortality. Longitudinal trends in the frailty state are not known and could help identify vulnerable subpopulations at risk of subsequent adverse events.
This study included a cohort of 470 autologous and allogeneic BMT recipients who had survived ≥2 years after BMT and completed a baseline questionnaire (t1) at a median of 7.3 years after BMT and a follow-up questionnaire (t2) 13.2 years after t1. The main outcome was change in frailty state between t1 and t2. Frailty phenotype was defined as exhibiting ≥3 of the following characteristics clinically underweight, exhaustion, low energy expenditure, slow walking speed, and muscle weakness. The following categories of change in frailty state were evaluated worsened, improved, and stable.
Of the 470 participants, 36.4% were aged ≥60 years at t1, and 50.6% were men. The prevalence of frailty increased from 4.8% at t1 to 9.6% at t2. Worsening was observed in nterventions.
To assess the efficacy and safety of repeat abobotulinumtoxinA injections in reducing upper limb spasticity in children with cerebral palsy (CP).
This was a double-blind, repeat-cycle study (NCT02106351) in children with CP (2-17y). Children were randomized to receive 2U/kg (control), 8U/kg, or 16U/kg abobotulinumtoxinA injections into the target muscle group (wrist or elbow flexors) and additional muscles alongside occupational therapy via a home-exercise therapy program (HETP; minimum five 15min sessions/wk). Children received 8U/kg or 16U/kg plus HETP in cycles 2 to 4.
During cycle 1, 210 children (126 males, 84 females; mean age [SD] 9y [4y 5mo], range 2-17y; n=70/group) had at least one upper limb abobotulinumtoxinA injection and 209 complied with the HETP. At week 6 of cycle 1, children in the 8U/kg or 16U/kg groups had significantly lower Modified Ashworth scale scores versus the 2U/kg group (primary outcome treatment differences of -0.4 [p=0.012] and -0.7 [p<0.001] respectively). All groups iildren with cerebral palsy. Conteltinib solubility dmso Children treated with abobotulinumtoxinA and targeted home exercises showed global improvement and goal attainment. Benefits were sustained over 1 year with repeat cycles of abobotulinumtoxinA and home exercises. AbobotulinumtoxinA injections into the upper limb were well tolerated over 1 year.
In patients with retroperitoneal sarcoma (RPS), the incidence of recurrence after surgery remains high. Novel treatment approaches are needed. This retrospective study evaluated patients with primary, high-risk RPS who received neoadjuvant systemic therapy followed by surgery to 1) determine the frequency and potential predictors of radiologic tumor responses and 2) assess clinical outcomes.
Clinicopathologic data were collected for eligible patients treated at 13 sarcoma referral centers from 2008 to 2018. Univariable and multivariable logistic models were performed to assess the association between clinical predictors and response. Overall survival (OS) and crude cumulative incidences of local recurrence and distant metastasis were compared.
Data on 158 patients were analyzed. A median of 3 cycles of neoadjuvant systemic therapy (interquartile range, 2-4 cycles) were given. The regimens were mostly anthracycline based; however, there was significant heterogeneity. No patients demonstrated a complete response, 37 (23%) demonstrated a partial response (PR), 88 (56%) demonstrated stable disease, and 33 (21%) demonstrated progressive disease (PD) according to the Response Evaluation Criteria in Solid Tumors, version 1.
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