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1.
Front Cell Dev Biol ; 10: 851032, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35433707

RESUMO

Immune checkpoint inhibitors (ICIs) are monoclonal antibodies that block CTLA-4, PD-1, or PD-L1 and induce the activation of the immune system against cancer. Despite the efficacy of ICIs, which has improved the oncotherapy for patients with a variety of malignancies, several immune-related adverse events (irAEs) have been described, including those affecting the heart. Cardiac irAEs after ICI therapies, including myocarditis, can become life-threatening, and their pathogenic mechanisms remain unclear. Here, a systematic analysis was performed regarding the potential immune mechanisms underlying cardiac irAEs based on the immune adverse events induced by the ICIs: 1) recruitment of CD4+ and CD8+ T cells, 2) autoantibody-mediated cardiotoxicity, and 3) inflammatory cytokines. Furthermore, the impact of dual therapies in ICI-induced cardiac irAEs and the potential risk factors are reviewed. We propose that self-antigens released from cardiac tissues or cancer cells and the severity/advancement of cancer disease have an important role in ICI cardiotoxicity.

2.
Med Educ Online ; 25(1): 1808369, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-32794441

RESUMO

BACKGROUND: Faculty developers are regularly involved in training medical educators to enhance their teaching excellence through workshops and other formats. By exemplifying professional and institutional values, faculty developers may profoundly impact how other educators perceive their own professional identity. OBJECTIVE: The objective of this study was to understand how the professional identity of faculty developers is formed. DESIGN: A qualitative approach was used, with a semi-structured interview. The sample consisted of 10 medical educators. A deductive thematic analysis based on Bolivar et al. (2004a) model of professional identity formation for medical educators was carried out. RESULTS: Self-image was impacted favorably through social recognition from students and peers, and the belief of having demonstrated professional competence through job assignments and enrollment in different leadership positions. The social relations to the center or department in which the faculty developer participates were strongly related to job satisfaction. Expectations about the future of the profession included positive attitudes toward change brought by generational differences. Regarding the process of construction of professional identity, life stories and dissimilar professional careers converge in the same educational setting. Faculty developers regularly resort to self-reflection, with a desire to continue learning and developing. They are resilient and purposeful, even in negative experiences that they have faced as identity crises. They share an awareness in building a legacy for the patients, their families, and the community through nurturing new generations of health-care practitioners. CONCLUSIONS: The interviewed faculty developers have a strong-professional identity that is characterized by a stable sense of self, strong behavioral repertoire, and key associations with a community of practice.


Assuntos
Educação Médica , Docentes de Medicina , Competência Profissional , Identificação Social , Feminino , Humanos , Satisfação no Emprego , Liderança , Aprendizagem , Masculino
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