Ancestry informative genetic variants associated with tobacco metabolic and detoxification capacity measured by 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) among smokers - Scorecard - MDSpire

Ancestry informative genetic variants associated with tobacco metabolic and detoxification capacity measured by 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) among smokers

  • By

  • Oladimeji Lanade

  • Zhongxuan He

  • Yan Zhou

  • Elizabeth Blackman

  • Denise Gibbs

  • Sharon Harrison

  • Karthik Devarajan

  • Mark Andrake

  • Roland L. Dunbrack

  • Gerald Nkogbu

  • Aditi Wagh

  • Michael Slifker

  • Cherie Erkmen

  • Freda Patterson

  • Aditi Satti

  • Heather-Dawn Lawson-Myers

  • Robin Roberts

  • Don Mitchell

  • Jeffery C. Liu

  • Joel Erblich

  • Camille Ragin

  • July 14, 2026

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Clinical Scorecard: Genetic Variants Informing Ancestry Linked to Tobacco Metabolism and Detoxification Capacity as Assessed by 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) in Smokers

At a Glance

CategoryDetail
ConditionTobacco-related cancers
Key MechanismsGenetic polymorphisms affecting tobacco metabolism and detoxification
Target PopulationSmokers, particularly Black and White Americans
Care SettingCommunity and clinical settings

Key Highlights

  • Tobacco use is the largest avoidable cause of cancer mortality worldwide.
  • Significant differences in lung cancer incidence and mortality rates exist between Black and White Americans.
  • Genetic ancestry may influence the metabolism of tobacco carcinogens.
  • Higher metabolic efficiency of NNAL has been reported among White Americans compared to Black Americans.
  • The study focuses on the association of genetic ancestry with NNAL metabolism in smokers.

Guideline-Based Recommendations

Diagnosis

  • Consider genetic ancestry factors when assessing lung cancer risk in smokers.

Management

  • Monitor tobacco metabolism through genetic testing in diverse populations.

Monitoring & Follow-up

  • Assess urinary NNAL metabolites as a measure of tobacco exposure and metabolism.

Risks

  • Increased risk of lung cancer associated with genetic variants in tobacco metabolism.

Patient & Prescribing Data

Smokers aged 18 or older with no known cancer diagnosis.

Understanding genetic variants may inform personalized smoking cessation strategies.

Clinical Best Practices

  • Engage community-based strategies for participant recruitment in cancer studies.
  • Utilize culturally tailored survey instruments for diverse populations.

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