Araceli Pérez-López

TIF1γ regulates stability of regulatory T cells during inflammation

Eugenio Contreras-Castillo, Jesús Daniel Zambrano-Romero, Hober Nelson Núñez-Martínez, Ma. Cleofas Marcial-Medina et autres

mx, us (code pays fourni par la source)

Colistin-induced transition from non-mucoid to mucoid phenotype in resistant Pseudomonas aeruginosa ST3351

Roberto Rosales-Reyes, Verónica Roxana Flores-Vega, Miguel A. Ares, Guanbo Wang et autres

Pseudomonas aeruginosa is an opportunistic pathogen frequently infecting the lower airways of individuals with cystic fibrosis (iwCF). We investigated colistin (CST) resistance mechanisms in P. aeruginosa ST3351 (Psa-ST3351) and their impact on bacterial virulence. Psa-ST3351, a novel CST-resistant sequence type, was isolated …

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Commensal Escherichia coli colonization triggers Peyer’s patch development

Romana R. Gerner, G. Walker, Suzi Klaus, Karine Melchior et autres

Abstract The gut microbiota plays a pivotal role in shaping mucosal immunity, yet the specific microbes contributing to lymphoid tissue development remain poorly defined. Here, we identify Escherichia coli , a pioneer commensal bacterium, as a key driver of naïve B cell …

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PgtE protease enables virulent Salmonella to evade C3-mediated serum and neutrophil killing

Michael H. Lee, Araceli Pérez-López, Leigh A. Knodler, G. Walker et autres

ABSTRACT Non-typhoidal Salmonella serovars, such as Salmonella enterica serovar Typhimurium (STm), are a leading cause of inflammatory diarrhea in otherwise healthy individuals. Among children, the elderly, and immunocompromised individuals, STm can spread to systemic sites and cause potentially lethal bacteremia. Phagocytic cells …

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Corrigendum to: Pro-inflammatory and anti-inflammatory responses in B cells during Salmonella infection

Araceli Pérez-López, Gabriela Hernández‐Galicia, Luis Lopez‐Bailon, Ana D. Gonzalez-Telona et autres

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Pro-inflammatory and anti-inflammatory responses in B cells during Salmonella infection

Araceli Pérez-López, Gabriela Hernández‐Galicia, Luis Lopez‐Bailon, Ana D. Gonzalez-Telona et autres

B-cells serve as a niche for Salmonella to establish a chronic infection, enabling bacteria to evade immune responses. One mechanism Salmonella uses to survive inside B-cells involves inhibiting the NLRC4 inflammasome activation, thereby preventing pyroptotic cell death. This study investigates whether Salmonella-infected …

mx (code pays fourni par la source)

PgtE protease enables virulent Salmonella to evade C3-mediated serum and neutrophil killing

Michael H. Lee, Araceli Pérez-López, Leigh A. Knodler, G. Walker et autres

ABSTRACT Non-typhoidal Salmonella serovars, such as Salmonella enterica serovar Typhimurium (STm), are a leading cause of inflammatory diarrhea in otherwise healthy individuals. Among children, the elderly, and immunocompromised individuals, STm can spread to systemic sites and cause potentially lethal bacteremia. Phagocytic cells …

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Blockade of the CCR3 receptor reduces neutrophil recruitment to the lung during acute inflammation

Fatima Lopez-Leal, Tecilli Cabellos-Avelar, Diego A Correa-Becerril, Brenda Juarez-Macias et autres

Neutrophils represent one of the host's first lines of defense against invading pathogens. However, an aberrant activation can cause damage to the host. In the case of respiratory infections with viral or bacterial pathogens, one of the most common complications is the …

mx (code pays fourni par la source)

CCL28 modulates neutrophil responses during infection with mucosal pathogens

G. Walker, Araceli Pérez-López, Steven Silva, Michael H. Lee et autres

The chemokine CCL28 is highly expressed in mucosal tissues, but its role during infection is not well understood. Here, we show that CCL28 promotes neutrophil accumulation in the gut of mice infected with Salmonella and in the lung of mice infected with …

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Author response: CCL28 modulates neutrophil responses during infection with mucosal pathogens

G. Walker, Araceli Pérez-López, Steven Silva, Michael H. Lee et autres

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Neurological manifestations with jugular vein thrombosis linked to an inflammatory profile may be a sequela of long COVID

Elizabeth Mendoza‐Portillo, Estefanía Alemán-Navarro, G. Aleph Prieto, Yvonne Rosenstein et autres

More than 670 million cases of coronavirus disease 2019 (COVID-19) have been recorded worldwide in the 3 years since the start of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic. About 45% of survivors of COVID-19 develop a syndrome known as …

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Mexican Colorectal Cancer Research Consortium (MEX-CCRC): Etiology, Diagnosis/Prognosis, and Innovative Therapies

Antonio Andrade‐Meza, Luis E. Arias‐Romero, Leonel Armas‐López, Federico Ávila‐Moreno et autres

In 2013, recognizing that Colorectal Cancer (CRC) is the second leading cause of death by cancer worldwide and that it was a neglected disease increasing rapidly in Mexico, the community of researchers at the Biomedicine Research Unit of the Facultad de Estudios …

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