Results 21 to 30 of about 12,684,378 (242)

Cell-free mitochondrial DNA copy number variation in head and neck squamous cell carcinoma: A study of non-invasive biomarker from Northeast India

open access: yesTumor Biology, 2017
Head and neck squamous cell carcinoma is the most commonly diagnosed cancer worldwide. The lifestyle, food habits, and customary practices manifest the Northeast Indian population toward higher susceptibility to develop head and neck squamous cell ...
Manish Kumar   +7 more
doaj   +1 more source

Circulating biomarkers to monitor cancer progression and treatment

open access: yesComputational and Structural Biotechnology Journal, 2016
Tumor heterogeneity is a major challenge and the root cause of resistance to treatment. Still, the standard diagnostic approach relies on the analysis of a single tumor sample from a local or metastatic site that is obtained at a given time point. Due to
Suthee Rapisuwon   +2 more
doaj   +1 more source

Comparison of methods for the quantification of cell-free DNA isolated from cell culture supernatant

open access: yesTumor Biology, 2019
Gaining a better understanding of the biological properties of cell-free DNA constitutes an important step in the development of clinically meaningful cell-free DNA–based tests.
Abel Jacobus Bronkhorst   +2 more
doaj   +1 more source

Study the Role of Cell Free DNA in the Diagnosis of Hepatocellular Carcinoma, an Egyptian Study

open access: yesAsian Pacific Journal of Cancer Biology, 2022
Background and objective: Hepatocellular carcinoma (HCC) is a primary malignancy of the liver. Since the conventional tissue biopsy and AFP have limited value, a new promising diagnostic method” liquid biopsy” has emerged.
Noha Hassan Radwan   +3 more
doaj   +1 more source

Noninvasive prenatal diagnosis of fetal RhD status using cell-free fetal DNA in maternal plasma with TaqMan® real-time PCR assay [PDF]

open access: yes, 2007
Prenatal diagnosis is now part of established obstetric practice in many countries. However, conventional methods of prenatal diagnosis of obtaining fetal tissues for genetic analysis, including amniocentesis and chorionic villus sampling, are invasive
Rekhviashvili, Tea
core   +1 more source

Biochemical and clinical diagnostic aspects of circulating nucleic acids [PDF]

open access: yes, 2005
We investigated the size distribution of fetal DNA using a combination of agorose gel electrophoresis, Southern blot and real time PCR assay. Our results showed plasma DNA presents apoptotic characteristics and the cell free fetal DNA is generally ...
Li, Ying
core   +1 more source

Comparison of Roche Cell-Free DNA collection Tubes® to Streck Cell-Free DNA BCT®s for sample stability using healthy volunteers

open access: yesPractical Laboratory Medicine, 2019
Objectives: To compare the Roche Cell-Free DNA Collection Tubes® against the Streck Cell-Free DNA BCT®s for sample stability using Cell Free DNA (cfDNA) from healthy volunteers (n = 20).
Sarah Parackal   +4 more
doaj   +1 more source

Detection of MDM2 amplification by shallow whole genome sequencing of cell-free DNA of patients with dedifferentiated liposarcoma.

open access: yesPLoS ONE, 2022
High-level amplification of MDM2 and other genes in the 12q13-15 locus is a hallmark genetic feature of well-differentiated and dedifferentiated liposarcomas (WDLPS and DDLPS, respectively).
Joanna Przybyl   +8 more
doaj   +3 more sources

The timing of the formation and usage of replicase clusters in S-phase nuclei of human diploid fibroblasts [PDF]

open access: yes, 1991
The sites of nascent DNA synthesis were compared with the distribution of the proliferating cell nuclear antigen (PCNA) in S-phase nuclei of human diploid fibroblasts (HDF) by two in vitro techniques.
Kill, IR   +4 more
core   +4 more sources

Cell-free DNA testing: future applications in gastroenterology and hepatology

open access: yesTherapeutic Advances in Gastroenterology, 2019
The application of next-generation sequencing in clinical practice is increasing as accuracy and interpretation have improved and the cost continues to decline rapidly.
Inuk Zandvakili   +1 more
doaj   +1 more source

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