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A correct identification of seropositive individuals for the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection is of paramount relevance to assess the degree of protection of a human population to present and future outbreaks of the COVID-19 pandemic. We describe here a sensitive and quantitative flow cytometry method using the cytometer-friendly non-adherent Jurkat T-cell line that stably expresses the full-length native spike "S" protein of SARS-CoV-2 and a truncated form of the human EGFR that serves a normalizing role. S protein and huEGFRt coding sequences are separated by a T2A self-cleaving sequence, allowing to accurately quantify the presence of anti-S immunoglobulins by calculating a score based on the ratio of fluorescence intensities obtained by double-staining with the test sera and anti-EGFR. The method allows to detect immune individuals regardless of the result of other serological tests or even repeated PCR monitoring. As examples of its use, we show that as much as 28% of the personnel working at the CBMSO in Madrid is already immune. Additionally, we show that anti-S antibodies with protective neutralizing activity are long-lasting and can be detected in sera 8 months after infection.
Although evidence-based psychological treatments for chronic pain (CP) have been demonstrated to be effective for a variety of outcomes, modest effects observed in recent reviews indicate scope for improvement. Self-compassion promotes a proactive attitude towards self-care and actively seeking relief from suffering. Consequently, more compassionate people experience better physical, psychological and interpersonal well-being.

We conducted a single-blind, randomized, controlled trial to examine the effects of a Mindful Self-Compassion program (MSC) on relevant clinical outcomes in patients with CP. Patients were randomly assigned to one of the two intervention arms MSC or cognitive-behavioural therapy (CBT). The protocols of both intervention arms were standardized and consisted of a 150-min session once a week during 8weeks formatted to groups of no more than 20 participants. The primary outcome was self-compassion, measured with the Self-Compassion Scale (SCS). The secondary outcomes were other pain-relms, pain interference and pain acceptance more than what CBT does. These results provide empirical support to guide clinical work towards the promotion of self-compassion in psychotherapeutic interventions for people with CP.
This randomized controlled trial compares the novel intervention (MSC program) with the gold standard psychological intervention for CP (CBT). MSC improves the levels of self-compassion, a therapeutic target that is receiving attention since the last two decades, and it also improves anxiety symptoms, pain interference and pain acceptance more than what CBT does. These results provide empirical support to guide clinical work towards the promotion of self-compassion in psychotherapeutic interventions for people with CP.Substance use disorders (SUD) are chronic relapsing medical conditions characterised by compulsive substance seeking and use. They constitute a substantial disease burden globally. Labelling of persons with SUD has created barriers to treatment but there are effective management strategies. The dental profession has embraced reforms designed to address the SUD epidemic by promoting continuing education for practitioners and initiating curriculum changes in dental schools. Screening, Brief Intervention and Referral to Treatment (SBIRT) is an evidence-based model for managing patients with SUD. The use of a formative 1-station Objective Structured Clinical Examination (OSCE) for learning and assessment in SBIRT, operationalised with the MD3 rating scale is presented in this study. In 3 years of implementation, the SBIRT OSCE successfully integrated into the curriculum of the College of Dental Medicine, Columbia University. Mean score of total adherent behaviours was 11.80 (SD =4.23) (range 2 - 24) and Cronbach's coefficient alpha for across-items reliability in adherent behaviours was 0.66. Adherent behaviours correlated with the global ratings (r = 0.66). Mean of global rating scores were 2.90 (SD =1.01) for collaboration and 2.97 (SD =1.00) for empathy and the global rating scores correlated with each other (r = 0.85). Histograms of global rating scores resembled normal distribution. The 1-station OSCE is a good model for learning about SBIRT. Psychometric analysis was useful in understanding the underlying construct of the MD3 rating scale and supported its reliability, validity and utility in dental education.The intramolecular Diels-Alder reactions of helicenes deform their π-conjugated screw-shaped skeletons. In particular, terminally tetrafluorinated [7]helicene (F4 -[7]helicene) undergoes a photoinduced Diels-Alder reaction followed by a photoinduced double fluorine atom transfer. Herein, we thoroughly investigated this photochemical domino process by decreasing the level of fluorine substitution. F3 -[7]Helicenes bearing two fluorine atoms at the dienophile terminal underwent photoinduced Diels-Alder reactions, but the whole domino process became slow. F2 -[7]Helicene, which is difluorinated only at the dienophile terminal, was also photolabile. As a result, two fluorine atoms were sufficient for the photochemical domino reaction to occur. X-ray crystallographic analysis revealed that F2 -[7]helicene was less compressed than F4 -[7]helicene, indicating that terminal polyfluorination enhanced the intramolecular arene-fluoroarene stacking interactions and thus promoted the transformations.
Central giant cell granuloma (CGCG) is one of the most intriguing lesions of the jaws and its nature has not yet been fully elucidated. Clinically, some CGCG behave more aggressively, while others have an indolent course. In cases of aggressive CGCG of the maxilla, effective personalized therapies are worth understanding.

We report here a challenging case of aggressive CGCG in a 15-year-old girl which was misdiagnosed as an endodontic lesion. Radiographically, a large osteolytic lesion involving the hard palate from the central incisor to the second premolar, extending into the nasal cavity, with loss of the lamina dura and cortical resorption was observed. The lesion expanded aggressively after extensive curettage. With possible mutilation and defects due to a more radical approach to the lesion, treatment with systemic prednisone and intralesional triamcinolone hexacetonide associated with a calcitonin nasal spray was instituted. The decision in favor of this therapeutic strategy was made after careful immunohistochemical analysis of calcitonin and glucocorticoid receptors. The H-score for the staining of glucocorticoid and calcitonin receptors in multinucleated giant cells was 222 and 153.6, respectively. The lesion reduced in size, and no adverse effects associated with medications were observed. Another curettage was performed, and only fibrous connective tissue was found. The patient is in follow-up for 11 years without evidence of recurrence.

Pharmacological agents hold clinical promise in cases of aggressive CGCG affecting the maxilla of pediatric patients. Investigating the expression of calcitonin and glucocorticoid receptors in order to plan treatment is very helpful in the decision to manage aggressive CGCG.
Pharmacological agents hold clinical promise in cases of aggressive CGCG affecting the maxilla of pediatric patients. Investigating the expression of calcitonin and glucocorticoid receptors in order to plan treatment is very helpful in the decision to manage aggressive CGCG.The radiotracers [11 C]-raclopride and [11 C]-(+)-PHNO are commonly used to measure differences in amphetamine-induced dopamine release between healthy persons and persons with neuropsychiatric diseases. As an agonist radiotracer, [11 C]-(+)-PHNO should theoretically be roughly 2.7 times more sensitive to displacement by endogenous dopamine than [11 C]raclopride. To date, only one study has been published comparing the sensitivity of these two radiotracers to amphetamine-induced dopamine release in healthy persons. Unfortunately, conflicting findings in the literature suggests that the dose of amphetamine they employed (0.3 mg/kg, p.o.) may not reliably reduce [11 C]-raclopride binding in the caudate. Thus, it is unclear whether the preponderance of evidence supports the theory that [11 C]-(+)-PHNO is more sensitive to displacement by amphetamine in humans than [11 C]-raclopride. In order to clarify these issues, we conducted a comparative meta-analysis summarizing the effects of amphetamine on [11 C]-raclopride and [11 C]-(+)-PHNO binding in healthy humans. Our analysis indicates that amphetamine given at 0.3 mg/kg, p.o. does not reliably reduce [11 C]-raclopride binding in the caudate. Second, the greater sensitivity of [11 C]-(+)-PHNO is evidenced at 0.5 mg/kg, p.o., but not at lower doses of amphetamine. Third, our analysis suggests that [11 C]-(+)-PHNO may be roughly 1.5 to 2.5 times more sensitive to displacement by amphetamine than [11 C]-raclopride in healthy persons. We recommend that future displacement studies with these radiotracers employ 0.5 mg/kg, p.o. of amphetamine with a dose, post-scan interval of at least 3 hr. Using this dose of amphetamine, [11 C]-raclopride studies should employ at least n = 34 participants per group, while [11 C]-(+)-PHNO studies should employ at least n = 6 participants per group, in order to be sufficiently powered (80%) to detect changes in radiotracer binding within the caudate.The outcomes of split-liver transplantation are controversial. This study compared outcomes and morbidity after extended right lobe liver transplantation (ERLT) and whole liver transplantation (WLT) in adults. MEDLINE and Web of Science databases were searched systematically and unrestrictedly for studies on ERLT and its impact on graft and patient survival, and postoperative complications. Graft loss and patient mortality odds ratios (OR) and 95% confidence intervals (CI) were assessed by meta-analyses using Mantel-Haenszel tests with a random-effects model. Vascular and biliary complications, primary nonfunction, 3-month, 1-, and 3-year graft and patient survival, and retransplantation after ERLT and WLT were analyzed. The literature search yielded 10 594 articles. After exclusion, 22 studies (n = 75 799 adult transplant patients) were included in the analysis. ERLT was associated with lower 3-month (OR = 1.43, 95% CI = 1.09-1.89, P = 0.01), 1-year (OR = 1.46, 95% CI = 1.08-1.97, P = 0.01), and 3-year (OR = 1.37, 95% CI = 1.01-1.84, P = 0.04) graft survival. selleck chemicals llc WL grafts were less associated with retransplantation (OR = 0.57; 95% CI = 0.41-0.80; P less then 0.01), vascular complications (OR = 0.53, 95% CI = 0.38-0.74, P less then 0.01) and biliary complications (OR = 0.67; 95% CI = 0.47-0.95; P = 0.03). Considering ERLT as major Extended Donor Criteria is justified because ERL grafts are associated with vasculobiliary complications and the need for retransplantation, and have a negative influence on graft survival.Generally, floral characteristics and pollination are important factors enhancing the quality and quantity of reproductive output for regeneration in plant conservation. However, lack of evidence-based management could decrease fitness under ex-situ conservation. We investigated the capitulum and pollination characteristics of Eriocaulon heleocharioides Satake (Eriocaulaceae), which is extinct in the wild, to develop an evidence-based conservation management plan incorporating previously ignored reproductive characteristics. To evaluate the functional characteristics of capitula, pollen-ovule ratio, and reproductive status (maximum pollination success/florivory damage) were investigated along six flowering sequences of capitulum. To evaluate the effect of plant density on pollen transfer, high- and low-density plots were established. Total deposited pollen on stigma, insect visitation, and visit duration per capitulum were observed. A significantly lower pollen-ovule ratio was observed in the first of six capitula, reflecting higher female functionality.
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