The role of NAD+ metabolic reprogramming in colorectal cancer chemoresistance: mechanistic insights, clinical translation challenges and opportunities - Report - MDSpire

The role of NAD+ metabolic reprogramming in colorectal cancer chemoresistance: mechanistic insights, clinical translation challenges and opportunities

  • By

  • Zhennan Ma

  • Xiuqing Gong

  • Fuquan Liu

  • May 28, 2026

  • 0 min

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Clinical Report: NAD+ Metabolic Reprogramming's Impact on Chemoresistance

Overview

NAD+ metabolic reprogramming plays a role in colorectal cancer chemoresistance by influencing energy metabolism, DNA repair, and the immune microenvironment. Targeted interventions against NAD+ metabolism are discussed in the context of emerging evidence.

Background

Colorectal cancer (CRC) is a prevalent and deadly malignancy, with chemoresistance being a major hurdle in treatment. Standard chemotherapy often leads to intrinsic or acquired resistance, complicating patient outcomes. The mechanisms behind chemoresistance, particularly the role of NAD+ metabolism, are explored.

Data Highlights

No numerical data or trial results were provided in the source material.

Key Findings

  • NAD+ metabolic reprogramming is a key driver of chemoresistance in colorectal cancer.
  • Key enzymes like NAMPT sustain elevated NAD+ levels, supporting DNA damage repair mechanisms.
  • Hyperactivated SIRT1 promotes cell survival by inhibiting apoptosis and enhancing cell cycle progression.
  • NAD+ metabolism influences the immune microenvironment, affecting the functionality of CD8+ T cells and tumor-associated B cells.
  • Targeting NAD+ metabolism can disrupt the survival advantages of cancer cells and alter the immunosuppressive environment.

Clinical Implications

Challenges such as tumor metabolic heterogeneity and the need for improved monitoring technologies must be addressed.

Conclusion

NAD+ metabolic reprogramming is integral to understanding chemoresistance in colorectal cancer.

Related Resources & Content

  1. The ASCO Post, Standards of Care Confirmed in Latest Group of Colorectal Cancer Trials, 2011 -- Standards of Care Confirmed in Latest Group of Colorectal Cancer Trials
  2. The ASCO Post, Colorectal Cancer Treatment Resistance: Oncofetal Reprogramming, 2025 -- Colorectal Cancer Treatment Resistance: Oncofetal Reprogramming
  3. The ASCO Post, Immunotherapy for Metastatic Mismatch Repair–Deficient Colorectal Cancer: Game-Changer for Small Group of Patients, 2017 -- Immunotherapy for Metastatic Mismatch Repair–Deficient Colorectal Cancer: Game-Changer for Small Group of Patients
  4. Treatment of Metastatic Colorectal Cancer: ASCO Guideline | Journal of Clinical Oncology, 2022 -- Treatment of Metastatic Colorectal Cancer: ASCO Guideline
  5. Olaparib with or without bevacizumab versus bevacizumab plus a fluoropyrimidine as maintenance therapy in advanced colorectal cancer: The randomized phase 3 LYNK-003 study - ScienceDirect, 2024 -- Olaparib with or without bevacizumab versus bevacizumab plus a fluoropyrimidine as maintenance therapy in advanced colorectal cancer
  6. Understanding the Molecular Mechanisms of Chemoradiosensitivity in Rectal Cancer: Implications for Tailored Treatment Approaches
  7. Treatment of Metastatic Colorectal Cancer: ASCO Guideline | Journal of Clinical Oncology
  8. Olaparib with or without bevacizumab versus bevacizumab plus a fluoropyrimidine as maintenance therapy in advanced colorectal cancer: The randomized phase 3 LYNK-003 study - ScienceDirect

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