Publications by authors named "A A Acosta"

Juxtaglomerular cell tumor (JxGCT) is a rare type of renal neoplasm demonstrating morphologic overlap with some mesenchymal tumors such as glomus tumor (GT) and solitary fibrous tumor (SFT). Its oncogenic drivers remain elusive, and only a few cases have been analyzed with modern molecular techniques. In prior studies, loss of chromosomes 9 and 11 appeared to be recurrent.

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Evolving technology and the development of new devices that can aerosolize water present a risk for new sources of Legionella bacteria growth and spread within industrial settings. We investigated a cluster of legionellosis among employees of a manufacturing facility in South Carolina, USA, and found 2 unique equipment sources of Legionella bacteria. The cluster of cases took place during August-November 2022; a total of 34 cases of legionellosis, including 15 hospitalizations and 2 deaths, were reported.

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Background: Testicular germ cell tumors are the most common solid malignancies in young men, with increasing incidence worldwide. Broadly classified into seminomas and non-seminomas, they exhibit distinct biological behaviors and responses to treatment. Although metabolic reprogramming is an acknowledged cancer hallmark, metabolic pathways in testicular germ cell tumors remain poorly understood.

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Engagement in scientific discourse is an essential part of becoming a scientist. In this exploratory study, we aim to examine the scientific discourse (and resulting benefits) between undergraduate biology students and professional scientists. We developed a novel method for engaging in scientific discourse, grounded in the theory of legitimate peripheral participation, where undergraduate biology students participate in communities of practice within their own departments.

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The present work describes the results for the bilateral comparison between the Secondary Standards Dosimetry Laboratories of the Instituto Nacional de Investigaciones Nucleares (SSDL-ININ), Mexico, and the pilot laboratory, the Centro de Protección e Higiene de las Radiaciones (SSDL-CPHR), Cuba, for the realization of the air kerma (${\boldsymbol{K}}_{\boldsymbol{a}}$) quantity to: (i) diagnostic X-ray (DXR) IEC 61267:2005 beam qualities: RQR 5 RQR 9, RQT 8, and RQT 9 and (ii) radiation protection (RP) ISO 4037:2019 X-ray beam qualities: N60, N100, and W60, as well S-Cs for gamma radiation. The matched and characterized reference fields are realized at SSDL-ININ with a Toshiba E7252FX X-ray tube. In all cases, the ${\boldsymbol{K}}_{\boldsymbol{a}}$ measurements are traceable to PTB, except for S-Cs, traceable to ININ.

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