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1.
BMC Med Educ ; 24(1): 860, 2024 Aug 09.
Artigo em Inglês | MEDLINE | ID: mdl-39123159

RESUMO

BACKGROUND: This study aimed to assess the effectiveness of the BOPPPS model (bridge-in, learning objective, pre-test, participatory learning, post-test, and summary) in otolaryngology education for five-year undergraduate students. METHODS: A non-randomized controlled trial was conducted with 167 five-year undergraduate students from Anhui Medical University, who were allocated to an experimental group and a control group. The experimental group received instruction using the BOPPPS model, while the control group underwent traditional teaching methods. The evaluation of the teaching effectiveness was performed through an anonymous questionnaire based on the course evaluation questionnaire. Students' perspectives and self-evaluations were quantified using a five-point Likert scale. Furthermore, students' comprehension of the course content was measured through a comprehensive final examination at the end of the semester. RESULTS: Students in the experimental group reported significantly higher scores in various competencies compared to the control group: planning work (4.27 ± 0.676 vs. 4.03 ± 0.581, P < 0.05), problem-solving skills (4.31 ± 0.624 vs. 4.03 ± 0.559, P < 0.01), teamwork abilities (4.19 ± 0.704 vs. 3.87 ± 0.758, P < 0.05), and analytical skills (4.31 ± 0.719 vs. 4.05 ± 0.622, P < 0.05). They also reported higher motivation for learning (4.48 ± 0.618 vs. 4.09 ± 0.582, P < 0.01). Additionally, students in the experimental group felt more confident tackling unfamiliar problems (4.21 ± 0.743 vs. 3.95 ± 0.636, P < 0.05), had a clearer understanding of teachers' expectations (4.31 ± 0.552 vs. 4.08 ± 0.555, P < 0.05), and perceived more effort from teachers to understand their difficulties (4.42 ± 0.577 vs. 4.13 ± 0.59, P < 0.01). They emphasized comprehension over memorization (3.65 ± 1.176 vs. 3.18 ± 1.065, P < 0.05) and received more helpful feedback (4.40 ± 0.574 vs. 4.08 ± 0.585, P < 0.01). Lecturers were rated better at explaining concepts (4.42 ± 0.539 vs. 4.08 ± 0.619, P < 0.01) and making subjects interesting (4.50 ± 0.546 vs. 4.08 ± 0.632, P < 0.01). Overall, the experimental group expressed higher course satisfaction (4.56 ± 0.542 vs. 4.34 ± 0.641, P < 0.05). In terms of examination performance, the experimental group scored higher on the final examination (87.7 ± 6.7 vs. 84.0 ± 7.7, P < 0.01) and in noun-interpretation (27.0 ± 1.6 vs. 26.1 ± 2.4, P < 0.01). CONCLUSION: The BOPPPS model emerged as an effective and innovative teaching method, particularly in enhancing students' competencies in otolaryngology education. Based on the findings of this study, educators and institutions were encouraged to consider incorporating the BOPPPS model into their curricula to enhance the learning experiences and outcomes of students.


Assuntos
Educação de Graduação em Medicina , Otolaringologia , Humanos , Otolaringologia/educação , Masculino , Feminino , Estudantes de Medicina/psicologia , Avaliação Educacional , Modelos Educacionais , Currículo , Adulto Jovem , Inquéritos e Questionários , Competência Clínica , Avaliação de Programas e Projetos de Saúde
2.
J Ethnopharmacol ; 323: 117667, 2024 Apr 06.
Artigo em Inglês | MEDLINE | ID: mdl-38159821

RESUMO

ETHNOPHARMACOLOGICAL RELEVANCE: The Stephania cephalantha Hayata is an important traditional medicinal plant widely used in traditional medicine to treat cancer. Cepharanthine (CEP) was extracted from the roots of Stephania cephalantha Hayata. It has been found to exhibit anticancer activity in different types of cancer cells. Nevertheless, the activity of CEP against nasopharyngeal carcinoma (NPC) and its underlying mechanism warrant further investigation. AIMS OF THE STUDY: NPC is an invasive and highly metastatic malignancy that affects the head and neck region. This research aimed to investigate the pharmacological properties and underlying mechanism of CEP against NPC, aiming to offer novel perspectives on treating NPC using CEP. MATERIALS AND METHODS: In vitro, the pharmacological activity of CEP against NPC was evaluated using the CCK-8 assay. To predict and elucidate the anticancer mechanism of CEP against NPC, we employed network pharmacology, conducted molecular docking analysis, and performed Western blot experiments. In vivo validation was performed through a nude mice xenograft model of human NPC, Western blot and immunohistochemical (IHC) assays to confirm pharmacological activity and the mechanism. RESULTS: In a dose-dependent manner, the proliferation and clonogenic capacity of NPC cells were significantly inhibited by CEP. Additionally, NPC cell migration was suppressed by CEP. The results obtained from network pharmacology experiments revealed that anti-NPC effect of CEP was associated with 8 core targets, including EGFR, AKT1, PIK3CA, and mTOR. By performing molecular docking, the binding capacity of CEP to the candidate core proteins (EGFR, AKT1, PIK3CA, and mTOR) was predicted, resulting in docking energies of -10.0 kcal/mol for EGFR, -12.4 kcal/mol for PIK3CA, -10.8 kcal/mol for AKT1, and -8.6 kcal/mol for mTOR. The Western blot analysis showed that CEP effectively suppressed the expression of EGFR and the phosphorylation levels of downstream signaling proteins, including PI3K, AKT, mTOR, and ERK. After CEP intervention, a noteworthy decrease in tumor size, without inducing any toxicity, was observed in NPC xenograft nude mice undergoing in vivo treatment. Additionally, IHC analysis demonstrated a significant reduction in the expression levels of EGFR and Ki-67 following CEP treatment. CONCLUSION: CEP exhibits significant pharmacological effects on NPC, and its mechanistic action involves restraining the activation of the EGFR/PI3K/AKT pathway. CEP represents a promising pharmaceutical agent for addressing and mitigating NPC.


Assuntos
Benzodioxóis , Benzilisoquinolinas , Neoplasias Nasofaríngeas , Proteínas Proto-Oncogênicas c-akt , Stephania , Animais , Camundongos , Humanos , Carcinoma Nasofaríngeo/tratamento farmacológico , Carcinoma Nasofaríngeo/metabolismo , Simulação de Acoplamento Molecular , Camundongos Nus , Proteínas Proto-Oncogênicas c-akt/metabolismo , Fosfatidilinositol 3-Quinases/metabolismo , Farmacologia em Rede , Linhagem Celular Tumoral , Serina-Treonina Quinases TOR/metabolismo , Neoplasias Nasofaríngeas/tratamento farmacológico , Neoplasias Nasofaríngeas/metabolismo , Classe I de Fosfatidilinositol 3-Quinases/uso terapêutico , Receptores ErbB
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