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A Novel Diagnostic Marker for Early Detection of Lung Cancer
DNA repair is a prime mechanism for preventing DNA damage, mutation, and cancers. Adopting a functional approach, we examined the association with lung cancer risk of an integrated DNA repair score, measured by a panel of three enzymatic DNA repair activities in peripheral blood mononuclear cells.
DNA repair is a prime mechanism for preventing DNA damage, mutation, and cancers. Adopting a functional approach, researchers examined the association with lung cancer risk of an integrated DNA repair score, measured by a panel of three enzymatic DNA repair activities in peripheral blood mononuclear cells. The panel included assays for AP endonuclease 1 (APE1), 8-oxoguanine DNA glycosylase (OGG1), and methylpurine DNA glycosylase (MPG), all of which repair oxidative DNA damage as part of the base excision repair pathways.
A blinded population-based case—control study was conducted with 96 patients with lung cancer and 96 control subjects matched by gender, age (±1 year), place of residence, and ethnic group (Jews/non-Jews). The three DNA repair activities were measured, and an integrated DNA repair OMA (
GG1,
PG, and
PE1) score was calculated for each individual. Conditional logistic regression analysis revealed that individuals in the lowest tertile of the integrated DNA repair OMA score had an increased risk of lung cancer compared with the highest tertile, with OR = 9.7; 95% confidence interval (CI), 3.1—29.8;
< 0.001, or OR = 5.6; 95% CI, 2.1—15.1;
< 0.001 after cross-validation.
These results suggest that pending validation, this DNA repair panel of risk factors may be useful for lung cancer risk assessment, assisting prevention and referral to early detection by technologies such as low-dose computed tomography scanning.
Read the published results here:
Source: Cancer Prevention Research
Exploring Racial, Ethnic Disparities in Cancer Care Prior Authorization Decisions
October 24th 2024On this episode of Managed Care Cast, we're talking with the author of a study published in the October 2024 issue of The American Journal of Managed Care® that explored prior authorization decisions in cancer care by race and ethnicity for commercially insured patients.
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Texas Oncology to Roll Out Canopy for ePROs After Head-to-Head Pilot
March 18th 2025Debra Patt, MD, PhD, MBA, executive vice president of Public Policy and Strategy for Texas Oncology, said the practice received positive feedback from nurses and patients during a pilot that concluded in February.
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Examining Low-Value Cancer Care Trends Amidst the COVID-19 Pandemic
April 25th 2024On this episode of Managed Care Cast, we're talking with the authors of a study published in the April 2024 issue of The American Journal of Managed Care® about their findings on the rates of low-value cancer care services throughout the COVID-19 pandemic.
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