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Filename: controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
Severity: Warning
Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Filename: models/Detail_model.php
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We investigated the role of copy number alterations to refine risk stratification in adult Philadelphia chromosome positive (Ph) acute lymphoblastic leukemia (ALL) treated with tyrosine kinase inhibitors (TKIs) and allogeneic stem cell transplantation (aSCT). Ninety-seven Ph ALL patients (median age 41 years; range 18-64 years) within the prospective multicenter German Multicenter ALL Study Group studies 06/99 (n = 8) and 07/2003 (n = 89) were analyzed. All patients received TKI and aSCT in first complete remission (CR1). Copy number analysis was performed with single nucleotide polymorphism arrays and validated by multiplex ligation-dependent probe amplification. The frequencies of recurrently deleted genes were: IKZF1, 76%; CDKN2A/2B, 45%; PAX5, 43%; BTG1, 18%; EBF1, 13%; ETV6, 5%; RB, 14%. In univariate analyses, the presence of CDKN2A/2B deletions had a negative impact on all endpoints: overall survival ( = .023), disease-free survival ( = .012), and remission duration ( = .036). The negative predictive value of CDKN2A/2B deletions was retained in multivariable analysis along with other factors such as timing of TKI therapy, intensity of conditioning, achieving remission after induction phase 1 and BTG1 deletions. We therefore conclude that acquired genomic CDKN2A/2B deletions identify a subgroup of Ph ALL patients, who have an inferior prognosis despite aSCT in CR1. Their poor outcome was attributable primarily to a high relapse rate after aSCT.
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http://dx.doi.org/10.1182/blood-2017-07-796862 | DOI Listing |
Hematology
December 2025
Children's Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.
In this retrospective case-control study involving 424 pediatric patients diagnosed with Pediatric Acute Lymphoblastic Leukemia (ALL), the investigation focused on analyzing the clinical characteristics and prognosis associated with the Cyclin-dependent kinase inhibitor 2A/2B () gene. Treatment and evaluation followed the South China Children's Leukemia Group-ALL-2016 protocol (SCCLG-ALL-2016). Among the cohort, 92 patients (21.
View Article and Find Full Text PDFHum Cell
November 2024
Department of Neurosurgery, Institute of Medicine, University of Tsukuba, 1-1-1, Tennodai, Ibaraki, Tsukuba, 305-8575, Japan.
Meningiomas are the most frequent brain tumors, typically benign and curable by surgery. However, some patients experience repeated recurrences from residual tumors. To address such cases, the development of novel therapeutic options is crucial.
View Article and Find Full Text PDFCurr Oncol
November 2024
Pediatric Hematology/Oncology, Hospital Infantil Universitario "Niño Jesús", Universidad Autónoma de Madrid, 28009 Madrid, Spain.
Glioblastoma (GBM) is the most common primary malignant brain tumor in adults, with a median overall survival (OS) of 15-18 months despite standard treatments. Approximately 8% of GBM cases exhibit genomic alterations in fibroblast growth factor receptors (FGFRs), particularly FGFR1 and FGFR3. Next-generation sequencing techniques have identified various FGFR3 fusions in GBM.
View Article and Find Full Text PDFInt J Mol Sci
September 2024
National Medical Research Center for Hematology, 125167 Moscow, Russia.
Tumor cells of acute lymphoblastic leukemia (ALL) may have various genetic abnormalities. Some of them lead to a complete loss of certain genes. Our aim was to reveal biallelic deletions of genes in Ph-negative T-ALL.
View Article and Find Full Text PDFNeoplasia
November 2024
Department of Thoracic Medicine, Chang Gung Memorial Hospital, Chang Gung University, Guishan, Taoyuan, Taiwan. Electronic address:
Non-small cell lung cancer (NSCLC) patients without targetable driver mutation have limited treatment options. In this study, we aimed to explore a new therapeutic strategy by using established nine patient-derived xenograft (PDX) and two-dimensional (2D) /3D culture models with specific genetic alternations. The gene mutations and copy number aberrations were detected by next-generation sequencing and confirmed using polymerase chain reaction (PCR) followed by DNA sequencing, and genomic DNA quantitative PCR.
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