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14.531  Articles
1 of 1.454 pages  |  10  records  |  more records»
This review deals with the adaptive mechanisms that plants can implement to cope with the challenge of salt stress. Plants tolerant to NaCl implement a series of adaptations to acclimate to salinity, including morphological, physiological and biochemical ... see more

The phenomenon of adaptive response is expressed in the increase of resistance of a biological object to high doses of mutagens under the conditions of previous exposure to these (or other) mutagens in low doses. Low doses of mutagen activate a number of ... see more

It were studied the adaptive mechanisms of the organism to compression of shoulder with cuff. Shoulder compression during blood pressure measurements perceived by the body as stress. The adaptation of the body to the shoulder compression in young adults (... see more

It were studied the adaptive mechanisms of the organism to compression of shoulder with cuff. Shoulder compression during blood pressure measurements perceived by the body as stress. The adaptation of the body to the shoulder compression in young adults (... see more

Abstract. This article explores challenges that motivate persons with disabilities to engage in entrepreneurship and adaptive mechanisms to overcome their challenges. The study expands the understanding of the initial challenges-adaptive mechanisms-result... see more

This article is based on a study in which we investigated the relationship between coping mechanisms manifested by students and their reading level measured by number of errors and time, reading speed comprehension and writing in the case of one group of ... see more

This paper is a scientific research conducted during the alert state on a sample of 450 adolescents. The main aim of the study is to identify the socio-emotional difficulties of adolescents and the adaptive ways they use during crisis situations, such as ... see more

Aproximación a la dinámica de la respuesta inmune en la infección por la COVID-19 / Approach to the dynamics of the immune response in the COVID-19 infection Aproximación a la dinámica de la respuesta inmune en la infección por la COVID-19 / Approach to the dynamics of the immune response in the COVID-19 infectionObjetivo: caracterizar las particularidades de la dinámica de larespuesta inmune durante la infección por la COVID-19.Desarrollo: el sistema inmune juega un papel en la patogeniade la COVID-19 en el que el infiltrado de neutrófilos es un eventoimportante durante la enfermedad. La producción de citocinasproinflamatorias por activaciones anómalas de las vías deseñalización y desregulación en los interferones, son mecanismosinvolucrados en la respuesta inmune de esta enfermedad. Estasevidencias justifican el uso de tratamientos inmunosupresorescomo la metilprednisolona en los pacientes con cuadros graves. Larespuesta inmune adaptativa aparece después de las dos semanasde infección, aunque la IgM se detecta desde la primera semana.La respuesta de los linfocitos T es indispensable en la completaeliminación de la infección viral.Conclusiones: el sistema inmune juega un papel importanteen la destrucción del epitelio alveolar y el desarrollo de lossíntomas graves de la COVID-19, de ahí que los tratamientosinmunomoduladores pueden beneficiar a estos pacientes.Palabras clave: COVID-19; coronavirus; respuesta inmune;inmunopatogenia.ABSTRACTObjetivo: to characterize the peculiarities of the dynamics of theimmune response during infection with COVID-19.Development: the immune system plays a role in the pathogenesisof COVID-19, where the neutrophil infiltrate is an important eventduring the disease. The production of proinflammatory cytokinesby abnormal activations of the signaling and dysregulationpathways in interferons are mechanisms involved in the immuneresponse of this disease. These evidences justify the use of immunosuppressive treatments such as methylprednisolone inpatients with severe symptoms. The adaptive immune responseappears after two weeks of infection, although IgM is detectedfrom the first week. The response of T lymphocytes is essential inthe complete elimination of the viral infection.Conclusions: the immune system plays an important role inthe destruction of the alveolar epithelium and the developmentof severe symptoms of COVID-19, hence immunomodulatorytreatments can benefit these patients.Keywords: COVID-19; coronavirus; immune response;immunopathogenesis.

respuesta inmune durante la infección por la COVID-19.Desarrollo: el sistema inmune juega un papel en la patogeniade la COVID-19 en el que el infiltrado de neutrófilos es un eventoimportante durante la enfermedad. La producción de citocinasproinflamatoria... see more

The article determines the state of the adaptive potential of the cardiovascular system and health status of student youth. It was established, that there is observed the general regularity of the increase of cardiovascular diseases, worsening of function... see more

1 of 1.454 pages  |  10  records  |  more records»