Transcriptomic differences in chromatin and cell cycle regulation in A549 cells after irradiation with carbon ions and X-rays - Scorecard - MDSpire

Transcriptomic differences in chromatin and cell cycle regulation in A549 cells after irradiation with carbon ions and X-rays

  • By

  • Hasan Nisar

  • Özdemirhan Serçin

  • Christine E. Hellweg

  • July 14, 2026

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Clinical Scorecard: Differential Transcriptomic Responses in Chromatin and Cell Cycle Regulation of A549 Cells Following Carbon Ion and X-ray Irradiation

At a Glance

CategoryDetail
ConditionNon-small cell lung cancer
Key MechanismsTranscriptional response to high-linear energy transfer (LET) radiation versus low-LET X-rays, including DNA damage response and chromatin regulation.
Target PopulationPatients with non-small cell lung cancer undergoing radiotherapy.
Care SettingOncology and radiotherapy

Key Highlights

  • High-LET carbon ion irradiation induces a distinct transcriptional program compared to low-LET X-rays.
  • Carbon ions suppress mitotic regulators and engage stress-associated signaling pathways.
  • Transcriptional changes include downregulation of core and linker histone genes.

Guideline-Based Recommendations

Diagnosis

  • Consider transcriptomic profiling for understanding radiation responses in lung cancer.

Management

  • Utilize high-LET radiation for enhanced biological effectiveness in treating non-small cell lung cancer.

Monitoring & Follow-up

  • Monitor gene expression changes post-irradiation to assess treatment response.

Risks

  • Be aware of potential radioresistance and dose-limiting toxicity in surrounding normal tissues.

Patient & Prescribing Data

Patients with non-small cell lung cancer receiving radiotherapy.

High-LET radiation may provide superior tumor control compared to conventional therapies.

Clinical Best Practices

  • Integrate systemic therapies with radiotherapy to enhance treatment outcomes.
  • Optimize dose delivery through altered fractionation and functional imaging.

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