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1.
J Bioenerg Biomembr ; 54(5-6): 227-239, 2022 12.
Artículo en Inglés | MEDLINE | ID: mdl-36070071

RESUMEN

The P2X7 receptor (P2X7R) is an ion channel that promotes the passage of ions through the membrane through brief stimulation once activated by ATP, its endogenous opener. However, prolonged stimulation with ATP, which occurs in pathological processes, opens a nonselective pore in the plasma membrane, allowing the passage of large molecules and leading to cytokine release or even cell death. In this sense, the search for new inhibitors for this receptor has attracted a great deal of attention in recent years. Considering the booming of biomass upgrading reactions in recent years and the continued efforts to synthesize biologically active molecules containing the 1,2,3-triazole ring, in the present work, we aimed to investigate whether triazole-linked menadione-furan derivatives could present P2X7R inhibitory activity. The novel compounds were tested for their inhibitory activity on ATP-induced dye uptake in peritoneal macrophages. Some have shown promising results, having displayed IC50 values lower than that of the P2X7R inhibitor BBG. Molecular docking studies also indicated that the active compounds bind to an allosteric site on P2X7R, presenting potential P2X7R inhibition.


Asunto(s)
Triazoles , Vitamina K 3 , Simulación del Acoplamiento Molecular , Triazoles/farmacología , Adenosina Trifosfato/farmacología , Furanos/farmacología , Receptores Purinérgicos P2X7 , Antagonistas del Receptor Purinérgico P2X/farmacología
2.
Braz. J. Psychiatry (São Paulo, 1999, Impr.) ; 43(5): 550-558, Sept.-Oct. 2021. tab, graf
Artículo en Inglés | LILACS | ID: biblio-1345468

RESUMEN

Objective: To review the literature regarding adolescent suicide risk and explore the associations between treatment compliance (expressed as a concept including measured adherence to treatment and/or mental health service utilization) and risk and protective factors for suicidal behavior (SB), as well as the association between treatment compliance and reattempts. Methods: PubMed, LILACS, and Google Scholar were searched using the following terms: (adolescent*) AND (suicide*) AND (risk factor OR protective factors) AND (treatment compliance OR treatment attrition OR treatment adherence OR treatment drop out OR treatment retention OR mental health utilization). We retrieved studies that focused on the relation of treatment compliance to risk and protective factors for SB and that had only adolescent samples. Results: Of 4,841 articles, 30 original articles were selected for review. Most studies indicated high mental health service (MHS) utilization and poor treatment adherence by SB patients. Social minority status and conduct disorder were associated with less treatment adherence, while female sex, parental perceived need for treatment, and major depression were associated with greater treatment adherence. Inpatient and intensive emergency care after SA and family interventions improved MHS utilization and treatment compliance. However, we found no substantial protective effect of treatment compliance against reattempts. Conclusion: Effective treatment planning for compliance requires considering psychopathology, treatment planning, and social, familial, and individual factors.


Asunto(s)
Humanos , Masculino , Femenino , Adolescente , Ideación Suicida , Suicidio Completo , Intento de Suicidio , Factores de Riesgo , Cooperación del Paciente , Factores Protectores
3.
Braz J Psychiatry ; 43(5): 550-558, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33533823

RESUMEN

OBJECTIVE: To review the literature regarding adolescent suicide risk and explore the associations between treatment compliance (expressed as a concept including measured adherence to treatment and/or mental health service utilization) and risk and protective factors for suicidal behavior (SB), as well as the association between treatment compliance and reattempts. METHODS: PubMed, LILACS, and Google Scholar were searched using the following terms: (adolescent*) AND (suicide*) AND (risk factor OR protective factors) AND (treatment compliance OR treatment attrition OR treatment adherence OR treatment drop out OR treatment retention OR mental health utilization). We retrieved studies that focused on the relation of treatment compliance to risk and protective factors for SB and that had only adolescent samples. RESULTS: Of 4,841 articles, 30 original articles were selected for review. Most studies indicated high mental health service (MHS) utilization and poor treatment adherence by SB patients. Social minority status and conduct disorder were associated with less treatment adherence, while female sex, parental perceived need for treatment, and major depression were associated with greater treatment adherence. Inpatient and intensive emergency care after SA and family interventions improved MHS utilization and treatment compliance. However, we found no substantial protective effect of treatment compliance against reattempts. CONCLUSION: Effective treatment planning for compliance requires considering psychopathology, treatment planning, and social, familial, and individual factors.


Asunto(s)
Ideación Suicida , Suicidio Completo , Adolescente , Femenino , Humanos , Masculino , Cooperación del Paciente , Factores Protectores , Factores de Riesgo , Intento de Suicidio
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