Jose C. Crispin
@jccrispin
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Hoy la Dra @florerosetti recibió el premio Aida y León Weiss 2023 al mejor trabajo de investigación en genómica aplicada a la salud. Un reconocimiento por su investigación sobre las variantes de riesgo en STAT4 y su contribución a la inmunopatología del lupus. 🎉
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Felicidades a la Dra. Florencia Rosetti por ganar el Premio de Investigación para científicos jóvenes 2023 en el área de ciencias médicas y de la salud que otorga la Academia Mexicana de Ciencias. @florerosetti 🎉
La Academia Mexicana de Ciencias anuncia a los ganadores de los Premios de Investigación para científicos jóvenes 2023: https://t.co/q0QyQwZU0P
#AMCiencias
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En el marco del congreso anual de la Federación de Sociedades de Inmunología Clínica (FOCIS), hicimos un simposio de inmunología latinoamericana. En la foto están los colegas de México, Chile, Argentina y Uruguay.
Dr. Crispín (@jccrispin ) representing our lab in the FOCiS Annual Meeting at Boston, MA. #FOCIS2023 @FOCISimmunology @incmnszmx
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(4) in the context of an autoimmune disease, this translates into more tissue damage. This suggests that in patients with #lupus the presence of the STAT4 risk haplotype may facilitate IFN-γ-mediated tissue damage... Please read and RT! https://t.co/gI1pckE2uI. (9/9)
acrjournals.onlinelibrary.wiley.com
Objective Variants in STAT4 are associated with systemic lupus erythematosus (SLE) and other autoimmune diseases. We undertook this study to investigate how disease-associated variants affect STAT4...
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In summary: (1) STAT4 expression in CD4 T cells is regulated by a negative feedback loop; (2) this mechanism is impaired in carriers of the autoimmunity-associated haplotype; (3) persistent STAT4 expression increases the pro-inflammatory capacity of CD4 T cells; (8/9)
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Among patients with proliferative lupus nephritis, presence of the STAT4 risk haplotype increased the frequency of renal relapse. (7/9)
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OT-II cells that overexpressed Stat4 increased kidney damage in RIP-mOVA mice (that express ovalbumin in kidney epithelial cells) in the context of immune complex glomerulonephritis. (6/9)
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Most STAT4 autoimmunity-associated SNPs fall in a large conserved intronic region. We deleted the intron in Jurkat cells which lack IFN-γ production. This increased IFN-γ production, suggesting that the intron contains negative regulatory elements. (5/9)
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Failed STAT4 downregulation led to a net increase in STAT4 and pSTAT4 that translated in a large increase in the production of IFN-γ -only in cells exposed to IL-12. (4/9)
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In naïve CD4 T cells from healthy donors homozygous for STAT4 protective haplotype, activation in the presence of IL-12 caused STAT4 downregulation. This negative feedback loop did not occur in cells from carriers of the risk haplotype. (3/9)
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STAT4 is fundamental for IL-12 to drive the differentiation of CD4 T cells into the Th1 subset. (2/9)
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#Autoimmunity is heavily influenced by #Genes. How autoimmunity-associated genetic elements contribute to disease remains a mystery… In this paper, we show a mechanism through which STAT4 contributes to disease expression: https://t.co/gI1pckE2uI. (1/9)
acrjournals.onlinelibrary.wiley.com
Objective Variants in STAT4 are associated with systemic lupus erythematosus (SLE) and other autoimmune diseases. We undertook this study to investigate how disease-associated variants affect STAT4...
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This account will dwindle down... you can find me in mastodon: jccrispin@sciencemastodon.com.
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Celebrando al autor de la primera descripción de #ViruelaSimica en México. Felicidades @NeuroImmuneGuy !
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¿Estás pensando en una maestría o doctorado? Ven a conocer las líneas de investigación de los tutores del @mdcbq_unam
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9/9. Implica que el valor de un investigador radica en su capacidad de generar ideas y probarlas. Cuando eso se hace, el resultado es un artículo propio en el que uno es el último autor.
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8/9. La trayectoria de un investigador debe ser juzgada con artículos en los que es primer o último autor. Eso no quiere decir que colaborar sea poco importante.
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