.webp&w=384&q=75){kind=logo}
Loading, please wait...
Loading, please wait...
Esophageal cancer remains a significant global health challenge, requiring a deeper understanding of its complex metabolic underpinnings. Recent research has highlighted esophageal cancer lactylation as a critical driver of malignancy and metabolic shift. Specifically, the study focuses on how the protein DCBLD1 undergoes a post-translational modification called lactylation, which subsequently stabilizes PDIA3 to reprogram cellular metabolism.
Metabolic reprogramming is a well-known hallmark of cancer. Tumor cells often rely on aerobic glycolysis, a process that generates high levels of lactate even in the presence of oxygen. While scientists once considered lactate a metabolic waste product, they now recognize it as a key signaling molecule. In esophageal cancer, elevated lactate levels promote the lactylation of DCBLD1, significantly enhancing its stability and oncogenic function.
The research established that DCBLD1 acts as a potent carcinogenic gene in this context. When DCBLD1 undergoes lysine lactylation (Kla), its half-life increases. This stabilization is particularly evident when tumor cells encounter high lactate concentrations. Conversely, inhibitors such as 2-deoxy-d-glucose (2-DG) can shorten the protein's half-life by reducing the available lactate for modification.
Furthermore, the stabilized DCBLD1 interacts directly with PDIA3, a member of the protein disulfide isomerase family. This interaction effectively prevents the degradation of PDIA3. The resulting accumulation of PDIA3 facilitates a metabolic shift toward increased glycolysis, fueling the rapid proliferation and migration of cancer cells. Consequently, this pathway promotes tumor progression and inhibits apoptosis both in vitro and in vivo.
The study also underscored the vital role of lactate dehydrogenase A (LDHA), the enzyme responsible for lactate production. Researchers found that interfering with LDHA decreased the levels of both DCBLD1 and its lactylated form. Therefore, the LDHA-DCBLD1-PDIA3 axis represents a promising target for therapeutic intervention. By inhibiting this pathway, clinicians may eventually be able to suppress tumor progression and reverse metabolic reprogramming in patients with esophageal malignancies.
DCBLD1 is highly expressed in esophageal cancer tissues and serves as an oncogene. Its stabilization through lactylation promotes tumor growth and metastasis, making it a potential biomarker for prognosis and a high-value target for future therapy.
Lactate induces the lactylation of DCBLD1. Once lactylated, DCBLD1 binds to and stabilizes PDIA3, preventing its degradation. This allows PDIA3 to support the glycolytic metabolism necessary for rapid cancer cell survival and growth.
Yes, research shows that inhibiting glycolysis or reducing lactate production (via LDHA interference) can decrease the oncogenic activity of the DCBLD1-PDIA3 complex, thereby slowing tumor progression and sensitizing cells to apoptosis.
Disclaimer: This content is for informational and educational purposes only and does not constitute medical advice or a substitute for professional healthcare. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.
References
1. Yin M et al. Lactylation-augmented DCBLD1-mediated PDIA3 stabilization reprograms glycolysis metabolism in oesophageal cancer. J Cancer Res Clin Oncol. 2026 May 31. doi: 10.1007/s00432-026-06517-6. PMID: 42218727.
2. Zhang D et al. Metabolic regulation of gene expression by histone lysine lactylation. Nature. 2019;574(7779):575-580. doi: 10.1038/s41586-019-1678-1.
3. Gao F et al. Lactate and lactylation: metabolic architects of tumor progression and metastasis. Signal Transduct Target Ther. 2024. doi: 10.1038/s41392-024-00123-x.
Read summarized clinical updates, watch expert medical content, and earn CME certifications right from your smartphone.
Open your smartphone camera to scan and install.
A study identifies how DCBLD1 lactylation stabilizes PDIA3, promoting glycolysis and tumor growth in esophageal cancer, highlighting potential therapeutic t...
last month
Andhra Pradesh reported 10 new Covid-19 cases, taking the state tally to 49 while deaths remain at four. With 24 patients hospitalized and 16 under home isolation, the Health Department has intensified monitoring. Medical professionals should review regional distribution, diagnostic protocols, and management plans.
Today
An 11-year Swedish registry study of 618 uterine sarcoma patients found that minimally invasive surgery yielded survival comparable to open surgery in early stages. However, adjuvant chemotherapy conferred no survival benefit in localized or advanced disease, highlighting stage and histology as key outcomes.
3 days back
A cross-sectional study evaluates post-intensive care syndrome in cardiac patients 2-4 weeks post-ICU discharge, highlighting cognitive, psychological, and functional impairments and the need for structured multidisciplinary rehabilitation.
3 days back
Anterior cruciate ligament reconstruction failure lacks uniform definition. A narrative review proposes an integrative framework incorporating objective and subjective instability, persistent pain, restricted motion, graft rupture, and secondary meniscal injury to standardize clinical reporting.
3 days back
With World Obesity Atlas data warning that over 41 million Indian children are overweight or obese, ICMR and NIN have unveiled a 10-point policy roadmap. The initiative calls for mandatory front-of-pack labeling, HFSS taxes, strict marketing bans, and healthier school environments to curb non-communicable diseases.
Today
