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        Are Tattoos an Indicator of Severity of Non-Suicidal Self-Injury Behavior in Adolescents?

        Marco Antonio Solís-Bravo,Yassel Flores-Rodríguez,Liliana Guadalupe Tapia-Guillen,Aymara Gatica-Hernández,Miriam Guzmán-Reséndiz,Luis Alberto Salinas-Torres,Tania Lucila Vargas-Rizo,Lilia Albores-Gall 대한신경정신의학회 2019 PSYCHIATRY INVESTIGATION Vol.16 No.7

        Objective To compare adolescents with non-suicidal self-injury behavior and tattoos [NSSI (T+)] with another group with non-suicidal self-injury behavior without tattoos [NSSI (T-)]. Methods Adolescents (n=438) 42.6% males from the community (M=12.3, SD=1.3), completed the Self-Injury Schedule. Results The lifetime prevalence of tattoos performed with the purpose to feel pain was 1.8%. Compared to the NSSI (T-) group, the NSSI (T+) group was significantly more likely to meet the DSM-5 frequency criteria of 5 self-injury events in 1 year, practice more than one method of self-injury, and topography, more suicidal intentionality, more negative thoughts and affective emotions before, during, and after self-injury and more academic and social dysfunction. Conclusion Adolescents from the community who practice tattooing to feel pain, show a distinct phenotype of NSSI. Health professionals and pediatricians should assess tattooing characteristics such as intention (to feel pain), frequency, and presence of non-suicidal self-injury behavior and suicide intentionality.

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        Inhibition of Tumor Growth and Metastasis by Newcastle Disease Virus Strain P05 in a Breast Cancer Mouse Model

        Oscar Antonio Ortega-Rivera,Pamela Gallegos-Alcalá,Mariela Jiménez,J. Luis Quintanar,Flor Torres-Juarez,Bruno Rivas-Santiago,Susana del Toro-Arreola,Eva Salinas 한국유방암학회 2023 Journal of breast cancer Vol.26 No.2

        Purpose: Conventional therapies and surgery remain the standard treatment for breast cancer. However, combating the eventual development of metastasis is still a challenge. Newcastle disease virus (NDV) is one of the various species of viruses under clinical evaluation as a vector for oncolytic, gene-, and immune-stimulating therapies. The purpose of this study was to evaluate the antitumor activity of a recombinant NDV (rNDV-P05) in a breast cancer murine model. Methods: Tumors were induced by injecting the cellular suspension (4T1 cell line) subcutaneously. The virus strain P05 was applied three times at intervals of seven days, starting seven days after tumor induction, and was completed 21 days later. Determination of tumor weight, spleen index, and lung metastasis were done after sacrificing the mice. Serum levels of interferon (IFN)-α, IFN-γ, tumor necrosis factor (TNF)-α, and TNF-related apoptosis-inducing ligand (TRAIL) were quantified by enzyme-linked immunosorbent assay. CD8+ infiltrated cells were analyzed by immunofluorescence. Results: rNDV-P05 showed a route-of-administration-dependent effect, demonstrating that the systemic administration of the virus significantly reduces the tumor mass and volume, spleen index, and abundance of metastatic clonogenic colonies in lung tissue, and increases the inhibition rate of the tumor. The intratumoral administration of rNDV-P05 was ineffective for all the parameters evaluated. Antitumor and antimetastatic capability of rNDV-P05 is mediated, at least partially, through its immune-stimulatory effect on the upregulation of TNF-α, TRAIL, IFN-α, and IFN-γ, and its ability to recruit CD8+ T cells into tumor tissue. Conclusion: Systemic treatment with rNDV-P05 decreases the tumoral parameters in the breast cancer murine model.

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