Publications by authors named "Lais Machado de Jesus"

Article Synopsis
  • - Testicular germ cell tumors (TGCTs) are the most common cancers in young men, but about 10% of patients become resistant to the standard treatment, cisplatin (CDDP), leading to a need for new therapies.
  • - A study established a model for CDDP-resistant TGCT and used NanoString technology to analyze gene expression, discovering key genes linked to DNA repair and cell cycle regulation.
  • - The proteasome inhibitor MG-132 was found to kill TGCT cells and increase their sensitivity to CDDP, suggesting it could be a promising treatment for patients with CDDP-resistant tumors.
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Introduction: High-risk human papillomavirus infection impacts staging and prognosis of oropharyngeal squamous cell carcinomas (OPSCCs). Determination of HPV status in tumor tissue by p16-immunohistochemistry (p16-IHC) can be challenging; therefore, complementary methodologies could be useful in a clinical setting.

Objective: To test for accuracy and clinical relevance of HPV-DNA detection in formalin-fixed and paraffin-embedded (FFPE) tumor samples by droplet digital PCR (ddPCR).

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Background: Oropharyngeal squamous cell carcinomas (OpSCCs) are commonly associated with high rates of treatment failure.

Objectives: To evaluate methylation-based markers in plasma from OpSCC patients as emerging tools for accurate/noninvasive follow-up.

Methods: Pretreatment formalin-fixed paraffin-embedded (FFPE) biopsies (n = 52) and paired plasma (n = 15) were tested for the methylation of CCNA1, DAPK, CDH8, and TIMP3 by droplet digital PCR (ddPCR).

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Tobacco- or human papillomavirus- driven oropharyngeal squamous cell carcinomas (OpSCC) represent distinct clinical, biological and epidemiological entities. The aim of this study was to identify genetic variants based on somatic alterations in OpSCC samples from an admixed population, and to test for association with clinical features. The entire coding region of 15 OpSCC driver genes was sequenced by next-generation sequencing in 51 OpSCC FFPE samples.

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