620 research outputs found
The perceptions of how critical thinking is embedded in Taiwanese nursing students\u27 study: A second year study
(41st Biennial Convention) This is a second year study of a three-year research for exploring how critical thinking is embedded in the five-year nursing education program in Taipei, Taiwan. However, the differences between these two years\u27 investigation was that it had been reviewed the following things based on the results of the first year\u27s experiments within the five-year nursing education program: (1) recognizing the importance of critical thinking in nursing education; (2) how to apply such method into the subject of professional nursing ethics within research targets; (3) understanding the influences and barriers in real nursing education program. The aim of this study was not only to continue the processes of the first\u27s year study, but also to refine the instrument for providing an appropriate teaching intervention into students\u27 learning. Action research was applied and combined with different teaching techniques in the second year\u27s study. The application of an opened- mind investigation were used to argue two important issues within teachers and students: (1) to recognize the ideas, knowledge and influences of teachers who advocate their teaching and learning in nursing education by using critical thinking; (2) to understand the whole learning processes and its relevant issues within students\u27 learning in order to concern about the role of nursing students\u27 learning by using critical thinking. Same as the first year\u27s result, students were appreciated different thinking processes and learning styles. However, the levels of intervention were affected by the motivation of students\u27 learning attitudes and such outcomes were also affected by students\u27 critical thinking and their training style of using such method. Results of this study will not only provide several useful recommendations for teachers to implement such method in real teaching environment, but also indicate appropriate suggestions that were being argued about two important issues within teachers and students in this study
Identifying Ketamine Responses in Treatment-Resistant Depression Using a Wearable Forehead EEG
This study explores the responses to ketamine in patients with
treatment-resistant depression (TRD) using a wearable forehead
electroencephalography (EEG) device. We recruited fifty-five outpatients with
TRD who were randomised into three approximately equal-sized groups (A: 0.5
mg/kg ketamine; B: 0.2 mg/kg ketamine; and C: normal saline) under double-blind
conditions. The ketamine responses were measured by EEG signals and Hamilton
Depression Rating Scale (HDRS) scores. At baseline, responders showed a
significantly weaker EEG theta power than did non- responders (p < 0.05).
Responders exhibited a higher EEG alpha power but lower EEG alpha asymmetry and
theta cordance at post-treatment than at baseline (p < 0.05). Furthermore, our
baseline EEG predictor classified responders and non-responders with 81.3 +-
9.5% accuracy, 82.1 +- 8.6% sensitivity and 91.9 +- 7.4% specificity. In
conclusion, the rapid antidepressant effects of mixed doses of ketamine are
associated with prefrontal EEG power, asymmetry and cordance at baseline and
early post-treatment changes. The prefrontal EEG patterns at baseline may
account for recognising ketamine effects in advance. Our randomised, double-
blind, placebo-controlled study provides information regarding clinical impacts
on the potential targets underlying baseline identification and early changes
from the effects of ketamine in patients with TRD.Comment: This revised article is submitting to IEEE TBM
Granulocyte Colony-Stimulating Factor Activating HIF-1α Acts Synergistically with Erythropoietin to Promote Tissue Plasticity
Stroke and peripheral limb ischemia are serious clinical problems with poor prognosis and limited treatment. The cytokines erythropoietin (EPO) and granulocyte-colony stimulating factor (G-CSF) have been used to induce endogenous cell repair and angiogenesis. Here, we demonstrated that the combination therapy of EPO and G-CSF exerted synergistic effects on cell survival and functional recovery from cerebral and peripheral limbs ischemia. We observed that even under normoxic conditions, G-CSF activates hypoxia-inducible factor-1α (HIF-1α), which then binds to the EPO promoter and enhances EPO expression. Serum EPO level was significantly increased by G-CSF injection, with the exception of Tg-HIF-1α+f/+f mice. The neuroplastic mechanisms exerted by EPO combined with G-CSF included enhanced expression of the antiapoptotic protein of Bcl-2, augmented neurotrophic factors synthesis, and promoted neovascularization. Further, the combination therapy significantly increased homing and differentiation of bone marrow stem cells (BMSCs) and intrinsic neural progenitor cells (INPCs) into the ischemic area. In summary, EPO in combination with G-CSF synergistically enhanced angiogenesis and tissue plasticity in ischemic animal models, leading to greater functional recovery than either agent alone
Metabolic syndrome and adverse clinical outcomes in patients with bipolar disorder
BACKGROUND: Metabolic syndrome (MetS) is highly prevalent among patients with bipolar disorder. MetS may cause complications in the brain, but studies investigating MetS-associated clinical psychiatric outcomes remain scant. METHODS: We enrolled clinically stable outpatients with bipolar disorder aged 18–65 years and performed anthropometric and fasting biochemical assessments to investigate MetS prevalence. We then performed clinical assessments by using the Young Mania Rating Scale for manic symptoms, the Montgomery–Åsberg Depression Rating Scale for depressive symptoms, the Positive and Negative Symptom Scale for psychotic symptoms, the Involuntary Movement Scale for tardive dyskinesia, the Barnes Akathisia Rating Scale for akathisia, the Udvalg for Kliniske Undersogelser for general side effects, the Schedule for Assessment of Insight for insight, the Global Assessment of Functioning scale for global functioning, and the Wisconsin Card Sorting Test (WCST) for cognitive executive function. RESULTS: In total, 143 patients were enrolled and had a MetS prevalence of 29.4%. The patients treated with atypical antipsychotics plus mood stabilizers (36.3%) and atypical antipsychotics alone (36.0%) had a significantly higher prevalence of MetS than did those treated with mood stabilizers alone (10.5%; p = 0.012). According to multivariate regression analyses adjusted for age, sex, smoking status, bipolar disorder subtype (I or II), pharmacological treatment duration, and psychiatric medication, compared with patients without MetS, those with MetS had significantly more previous hospitalizations (p = 0.036), severer tardive dyskinesia (p = 0.030), poorer insight (p = 0.036), poorer global function (p = 0.046), and more impaired executive function (conceptual level response on the WCST; p = 0.042). CONCLUSIONS: Our results indicated that patients with comorbid bipolar disorder and MetS have more adverse clinical outcomes than those without, with more hospitalizations, severer tardive dyskinesia, poorer insight, poorer global function, and more impaired executive function. Monitoring MetS is crucial for assessing not only physical burden, but also psychiatric outcomes
Phase 1 study of capmatinib in MET-positive solid tumor patients: Dose escalation and expansion of selected cohorts
Capmatinib is an oral, ATP-competitive, and highly potent, type 1b MET inhibitor. Herein, we report phase 1 dose-escalation results for capmatinib in advanced METpositive solid tumor patients and dose expansion in advanced non-lung tumors. Capmatinib was well tolerated with a manageable safety profile across all explored doses. Dose-limiting toxicities (DLT) occurred at 200 mg twice daily (bid), 250 mg bid, and 450 mg bid capsules; however, no DLT were reported at 600 mg bid (capsules). Capmatinib tablets at 400 mg bid had comparable tolerability and exposure to that of 600 mg bid capsules. Maximum tolerated dose was not reached; recommended phase 2 dose was 400 mg bid tablets/600 mg bid capsules; at this dose, C-trough >EC90 (90% inhibition of c-MET phosphorylation in animal models) is expected to be achieved and maintained. Among the dose-expansion patients (N = 38), best overall response across all cohorts was stable disease (gastric cancer 22%, hepatocellular carcinoma 46%, other indications 28%); two other indication patients with gene copy number (GCN) >= 6 achieved substantial tumor reduction. Near-complete immunohistochemically determined phospho-MET inhibition (H-score = 2) was shown following capmatinib 450 mg bid capsule in paired biopsies obtained from one advanced colorectal cancer patient. Incidence of high-level MET GCN (GCN >= 6) and MET-overexpressing (immunohistochemistry 3+) tumors in the expansion cohorts was 8% and 13%, respectively; no MET mutations were observed. Thus, the recommended phase 2 dose (RP2D) of capmatinib was 600 mg bid capsule/400 mg bid tablet. Capmatinib was well tolerated and showed antitumor activity and acceptable safety profile at the (ClinicalTrials.gov Identifier: NCT01324479).
Complex and novel determinants of empathy change in medical students
Purpose: Physician empathy is a core attribute in medical professionals, giving better patient outcomes. Medical school is an opportune time for building empathetic foundations. This study explores empathy change and focuses on contributory factors. Methods: We conducted a cross-sectional study involving 881 students (63%) from Years 1 to 5 in a Singaporean medical school using the Jefferson Scale of Physician Empathy-Student version (JSPE-S) and a questionnaire investigating the relationship between reported and novel personal-social empathy determinants. Results: Empathy declined significantly between preclinical and clinical years. Female and medical specialty interest respondents had higher scores than their counterparts. Despite strong internal consistency, factor analysis suggested that the JSPE model is not a perfect fit. Year 1 students had highest Perspective Taking scores and Year 2 students had highest Compassionate Care scores. High workload and inappropriate learning environments were the most relevant stressors. Time spent with family, arts, and community service correlated with higher empathy scores, whilst time spent with significant others and individual leisure correlated with lower scores. Thematic analysis revealed that the most common self-reported determinants were exposure to activity (community service) or socialisation, personal and family-related event as well as environment (high work-load). Conclusion: While the empathy construct in multicultural Singapore is congruent with a Western model, important differences remain. A more subtle understanding of the heterogeneity of the medical student experience is important. A greater breadth of determinants of empathy, such as engagement in arts-related activities should be considered
Coexpression of gene Oct4 and Nanog initiates stem cell characteristics in hepatocellular carcinoma and promotes epithelial-mesenchymal transition through activation of Stat3/Snail signaling
High level of serum apolipoprotein A-I is a favorable prognostic factor for overall survival in esophageal squamous cell carcinoma
Use of MicroRNA Let-7 to Control the Replication Specificity of Oncolytic Adenovirus in Hepatocellular Carcinoma Cells
Highly selective therapy for hepatocellular carcinoma (HCC) remains an unmet medical need. In present study, we found that the tumor suppressor microRNA, let-7 was significantly downregulated in a proportion of primary HCC tissues (12 of 33, 36.4%) and HCC cell lines. In line with this finding, we have engineered a chimeric Ad5/11 fiber oncolytic adenovirus, SG7011let7T, by introducing eight copies of let-7 target sites (let7T) into the 3′ untranslated region of E1A, a key gene associated with adenoviral replication. The results showed that the E1A expression (both RNA and protein levels) of the SG7011let7T was tightly regulated according to the endogenous expression level of the let-7. As contrasted with the wild-type adenovirus and the control virus, the replication of SG7011let7T was distinctly inhibited in normal liver cells lines (i.e. L-02 and WRL-68) expressing high level of let-7 (>300 folds), whereas was almost not impaired in HCC cells (i.e. Hep3B and PLC/PRF/5) with low level of let-7. Consequently, the cytotoxicity of SG7011let7T to normal liver cells was successfully decreased while was almost not attenuated in HCC cells in vitro. The antitumor ability of SG7011let7T in vivo was maintained in mice with Hep3B xenograft tumor, whereas was greatly decreased against the SMMC-7721 xenograft tumor expressing a high level of let-7 similar with L-02 when compared to the wild-type adenovirus. These results suggested that SG7011let7T may be a promising anticancer agent or vector to mediate the expression of therapeutic gene, broadly applicable in the treatment for HCC and other cancers where the let-7 gene is downregulated
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Clinical impact of pharmacogenetic risk variants in a large chinese cohort.
Incorporating pharmacogenetics into clinical practice promises to improve therapeutic outcomes by optimizing drug selection and dosage based on genetic factors affecting drug response. A key advantage of PGx-guided therapy is to decrease the likelihood of adverse events. To evaluate the clinical impact of PGx risk variants, we performed a retrospective study using genetic and clinical data from the largest Han Chinese cohort, comprising 486,956 individuals, assembled by the Taiwan Precision Medicine Initiative. We found that nearly all participants carried at least one genetic variant that could affect drug response, with many carrying multiple risk variants. Here we show the detailed analyses of four gene-drug pairs, azathioprine (NUDT15/TPMT), clopidogrel (CYP2C19), statins (ABCG2/CYP2C9/SLCO1B1), and NSAIDs (CYP2C9), for which sufficient data exists for statistical power. While the results validate previous findings that PGx risk variants are significantly associated with drug-related adverse events or ineffectiveness, the excess risk of adverse events or lack of efficacy is small compared to that found in those without the PGx risk variants, and most patients with PGx variants do not suffer from adverse events. Our results point to the complexity of implementing PGx in clinical practice and the need for integrative approaches to optimize precision medicine
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