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Mitochondrial respiratory chain component NDUFA4: a promising therapeutic target for gastrointestinal cancer

Cancer Cell International volume 24, Article number: 97 (2024) Cite this article

Abstract

Gastrointestinal cancer, one of the most common cancers, continues to be a major cause of mortality and morbidity globally. Accumulating evidence has shown that alterations in mitochondrial energy metabolism are involved in developing various clinical diseases. NADH dehydrogenase 1 alpha subcomplex 4 (NDUFA4), encoded by the NDUFA4 gene located on human chromosome 7p21.3, is a component of mitochondrial respiratory chain complex IV and integral to mitochondrial energy metabolism. Recent researchers have disclosed that NDUFA4 is implicated in the pathogenesis of various diseases, including gastrointestinal cancer. Aberrant expression of NDUFA4 leads to the alteration in mitochondrial energy metabolism, thereby regulating the growth and metastasis of cancer cells, indicating that it might be a new promising target for cancer intervention. This article comprehensively reviews the structure, regulatory mechanism, and biological function of NDUFA4. Of note, the expression and roles of NDUFA4 in gastrointestinal cancer including colorectal cancer, liver cancer, gastric cancer, and so on were discussed. Finally, the existing problems of NDUFA4-based intervention on gastrointestinal cancer are discussed to provide help to strengthen the understanding of the carcinogenesis of gastrointestinal cancer, as well as the development of new strategies for clinical intervention.

Introduction

According to the latest global cancer burden report released by the World Health Organization (IARC) in 2020, there were 19.3 million new cases of cancer worldwide, resulting in almost 10 million deaths. Gastrointestinal cancer, encompassing gastric, colorectal, hepatic, and esophageal cancers, constitutes over 40% of all cancer cases and poses a significant threat to human well-being [1]. Despite significant advancements in clinical diagnosis and treatment strategies for gastrointestinal cancers, such as the utilization of small molecule inhibitors like regorafenib and immune checkpoint inhibitors (ICIs) represented by anti-PD-1 monoclonal antibodies, there is still a need to improve clinical interventions for these cancers due to the complexity of their pathogenesis [2]. Therefore, a deeper understanding of the underlying mechanisms of gastrointestinal cancer is still essential for identifying new clinical treatment targets in the future.

Energy metabolism (EM) is crucial for cellular growth and function, encompassing intricate processes such as glycolysis and oxidative phosphorylation (OXPHOS) to generate adenosine triphosphate (ATP). Researchers have demonstrated that cancer cell survival, proliferation, invasion, metastasis, and drug resistance are energy-demanding phenomena driven by glycolysis and OXPHOS metabolic pathways [3]. Among these processes, the shift from OXPHOS to aerobic glycolysis (the Warburg effect: Warburg found that, unlike most normal tissues, cancer cells tend to “ferment” glucose to lactic acid even when there is enough oxygen to support mitochondrial oxidative phosphorylation) is critical in promoting the biological behaviors of cancer cells [4]. As a result, the study of cancer mitochondrial energy metabolism has become a hot topic in cancer research. NADH dehydrogenase 1 alpha sub-complex 4 (NDUFA4), a member of the NDUFA family, is an essential component of the mitochondrial respiratory chain and is responsible for redox processes and ATP production. Recent studies have demonstrated that aberrant expression of NDUFA4 leads to the alteration in mitochondrial energy metabolism, thereby regulating the growth and metastasis of various types of cancer cells including gastrointestinal cancer cells [5]. These findings suggest that NDUFA4 might be an important new target for clinical interventions for gastrointestinal cancer.

The structure, function, and regulatory mechanisms of NDUFA4

The structure and expression of NDUFA4

NDUFA4 is a crucial protein encoded by the NDUFA4 gene located on human chromosome 7p21.3, which plays an important role in the mitochondrial respiratory chain. The NDUFA4 gene is 8211 base pairs long, with a molecular weight of approximately 9 kb, and contains four exons. The mRNA of NDUFA4 is 2,035 nt in length, including a coding DNA sequence (CDS) of 246 nt. The NDUFA4 protein comprises 81 amino acids with a molecular weight of 9370 Da and contains the domain of NADH-ubiquinone reductase complex 1MLRQ subunit (B12D). Although earlier studies suggested that NDUFA4 is a subunit of complex I [6], recent studies have confirmed that it is a subunit of COX and can interact with COX itself. This indicates that NDUFA4 is an essential component in the respiratory chain [7,8,9,10]. (Figs. 1, 2).

Fig. 1
figure 1

Timeline of the research progression of NDUFA4

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Fig. 2
figure 2

The structure and regulatory mechanisms of NDUFA4 (By Figdraw)

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NDUFA4 is ubiquitously expressed in the body tissues and organs, including the brain, heart, digestive, epidermis, nervous, respiratory, and skeletal muscle tissues. However, its expression level varies significantly depending on the tissue types [11]. For instance, Garbian et al. found that NDUFA4 was significantly highly expressed in liver and brain tissues [6]. In addition, the expression of NDUFA4 was also higher in the parathyroid gland, gastric, duodenum, and myocardium. However, NDUFA4 expression is lower in cervical and rectal tissues. These findings suggest that the expression pattern of NDUFA4 is closely related to the status of the energic metabolism of tissues and organs.

The expression of NDUFA4 is regulated by multiple mechanisms, including the post-translational level and protein modification. Several miRNAs have been identified that regulate the expression of NDUFA4. For example, miR-210-3p targets the 3’UTR of NDUFA4 mRNA in cardiomyocytes, resulting in impaired mitochondrial function and thereby promoting cardiomyocyte apoptosis [12]. Posttranslational modifications also play a crucial role in regulating NDUFA4 expression. Studies have shown that the NDUFA4 protein has multiple ubiquitination sites, including Lys55, Lys63, Lys73, and Lys75, which affect its stability (from www.nextprot.org [NX_O00483-1]). In addition, bioinformatics analysis shows that there are several putative transcription factor-binding sites on the NDUFA4 gene promoter, including Foxj2, GR, HNF-4a1, HNF-4a2, and LCR-F1, indicating that transcriptional regulation also might be involved in the regulatory mechanism of NDUFA4 expression. Therefore, further studies are needed to determine the exact role and mechanism of NDUFA4 regulation in distinct tissues and organs.

The biological function of NDUFA4

NDUFA4 is an essential enzyme located at the end of the mitochondrial electron transport chain, and responsible for NADH dehydrogenase and oxidoreductase activities by transferring electrons from NADH to the respiratory chain, thus driving OXPHOS and participating in respiratory electron transport, chemiosmotic coupling to ATP, and the uncoupling of proteins to generate heat. Meanwhile, NDUFA4 can also be involved in the cellular stress response [13,14,15]. Abnormal expression of NDUFA4 has been linked to a range of clinical disorders (Table 1), including mitochondrial complex IV deficiency nuclear type 21 and Leigh syndrome, which are autosomal recessive disorders.

Table 1 Relationship between NDUFA4 expression and development of some diseases
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NDUFA4 has also been identified as a candidate gene for the sex-specific inheritance of diabetes in rodent models [16,17,18,19]. Besides, NDUFA4 gene silencing is associated with the response to abatacept (AB) in patients with rheumatoid arthritis (RA) [20]. Similarly, the NDUFA4 gene has also been identified as a central gene associated with heterocyclic amine-induced cytotoxicity in peripheral blood monocytes [21]. High expression of NDUFA4 is significantly associated with poorer overall survival (OS) in patients with bacterial sepsis [22]. Liao C et al. showed that Dandy-Walker malformation might be caused by insufficient haploid or overexpression of the NDUFA4 gene [23, 24]. In line with these findings, NDUFA4 dysfunction in related tissues has also been implicated in the musculoskeletal system and hearing impairments.

Moreover, recent research has shown that NDUFA4 can affect cellular energy metabolism by regulating the PI3K/Akt signaling pathways. The PI3K/Akt pathway plays a role in glycolysis by regulating the hypoxia-inducible factor (HIF)-1α target genes ENO1 and LDHA, suggesting that NDUFA4 may not only directly participate in mitochondrial redox processes but also impact cellular energy metabolism by modulating signaling pathway transduction including Akt and Erk pathway [25,26,27].

Additionally, Fu F et al. demonstrated that NDUFA4 can promote neuron proliferation and inhibit apoptosis by suppressing the expression of miR-145a-5p [28]. Of note, recent studies have further shown that NDUFA4 is aberrantly expressed in various cancers, including gastrointestinal cancer, and is involved in cancer cell growth, metastasis, and drug resistance. These findings suggest that NDUFA4 might be a new target for clinical interventions for cancers.

NDUFA4 and gastrointestinal cancer

Colorectal cancer

Colorectal cancer (CRC) ranks among the most common gastrointestinal cancers with high morbidity and mortality rates [1]. Abnormal expression of NDUFA4 has been found in human CRC, where NDUFA4 has been shown to regulate the growth and metastasis of cancer cells, indicating that it is a potential new target for intervention. For example, Shiming Liu et al. found that NDUFA4 was highly expressed in human CRC cancer tissues, and its overexpression promoted the in vitro growth of human CRC cancer cells with altered mitochondrial energy metabolism [29]. Mechanistic aspects: NDUFA4 collaborates with leucine-rich pentatricopeptide repeat containing (LRPPRC) to regulate the transmission of signaling pathways such as the Akt and Erk pathways, ultimately leading to mitochondrial ATP changes. Meanwhile, NDUFA4 was found to have a positive correlation with the expression of LRPPRC in human CRC tissues. Furthermore, the overexpression of NDUFA4 has been demonstrated to facilitate epithelial-mesenchymal transition (EMT) in human CRC cells [30]. Besides, Yun L et al.found that NDUFA4L2 was significantly enriched in the mitochondria under hypoxic conditions and was associated with cancer progression and poor prognosis in human CRC patients [31] (In other diseases, during inflammation, a cytokine modulator of cytochrome C oxidase (MOCCI), a para homolog of NDUFA4, replaces NDUFA4 during inflammation to reduce mitochondrial membrane potential and reduce ROS production, leading to cell protection and the suppression of the immune response [55]).

Studies have further revealed that NDUFA4 is involved in the regulatory process of other molecules in human CRC cancer cells. For example, Wu et al. found that NDUFA4 may be a new proteolytic substrate of the mitochondrial protease OMA1. Under hypoxic conditions, OMA1 increases the production of mitochondrial reactive oxygen species (mtROS) production, promotes glycolysis, and inhibits mitochondrial OXPHOS by promoting the degradation of NDUFA4 in CRC cells in vivo and in vitro, which impairs the mitochondrial respiratory complex, resulting in increased lactate production and glucose uptake, and decreased ATP production [32]. Additionally, Cui et al.found that NDUFA4 was a direct target of miR-147b. Knockdown of NDUFA4 attenuated the cancer-promoting effect caused by miR-147b downregulation. Further studies have revealed that the cancer-promoting lncRNA MAFG-AS1 regulates the miR-147b/NDUFA4 axis in human CRC. NDUFA4 promotes glycolysis over OXPHOS in CRC cells by regulating glycolysis-related genes. The investigation indicates that MAFG-AS1 and NDUFA4 collectively enhance CRC cell invasion and increase lactate production, implicating these molecules in the regulatory networks governing CRC metabolic and tumorigenic characteristics [33].

In summary, NDUFA4 assumes a crucial role in the development of human CRC by modulating the Akt and Erk signaling pathways and glycolysis, as well as other molecules. However, further studies are needed to investigate whether NDUFA4 is involved in human CRC stem cell development and the drug resistance of human CRC cancer cells. Such investigations hold the promise of crucial insights for the formulation of relevant intervention strategies.

NDUFA4 and liver cancer

Liver cancer (LC) is a leading cause of cancer-related mortality worldwide. Recent studies have demonstrated that the NDUFA4 molecule NDUFA4L2 is aberrantly expressed in hepatocellular carcinoma (HCC) and is involved in the intricate regulation of cancer cell growth and metastasis. For instance, Lai R et al. reported that NDUFA4L2 was significantly upregulated in HCC cancer tissues compared with adjacent tissues. Moreover, the upregulation of NDUFA4L2 expression was more significant under hypoxia in HCC [56]. Tello D et al. further found that NDUFA4L2 reduced mitochondrial oxygen consumption and complex I activity, thereby reducing ROS production and accumulation. This ultimately leads to decreased cancer cell apoptosis and promotes cell survival [57]. However, the knockdown of NDUFA4L2 can significantly inhibit the growth and metastasis of HCC in vivo, indicating that the high expression of NDUFA4L2 is conducive to the hypoxia tolerance of cancer cells [56] (Over 90% of clear cell renal cell carcinomas (ccRCCs) exhibit overexpression of NDUFA4L2, which facilitates ccRCC proliferation and survival. Meanwhile, NDUFA4L2 can regulate mitochondrial and lysosome functions in ccRCC [58]).

Regarding expression regulation, studies have shown that the upregulation of NDUFA4L2 in HCC cells is closely related to HIF. Under hypoxic conditions, cancer cells upregulate HIF -1ɑ expression, consequently leading to increased NDUFA4L2 expression and reduced ROS accumulation. This suggests a dependency of NDUFA4L2 expression on HIF1 in HCC cells. Inactivation of HIF1/NDUFA4L2 increased mitochondrial activity and oxygen consumption, resulting in ROS accumulation and cell apoptosis. In addition, HIF-1α steadily increases miR-210, leading to mitochondrial dysfunction of the echinotrophoblast (EVT) in early pregnancy. The NDUFA4 gene is a significant inhibitory gene in early pregnancy primary echinotrophoblasts transfected with miR-210 and may be related to the pathogenesis of preeclampsia [59]. These results suggest that NDUFA4 may play a pivotal role in developing HCC by regulating mitochondrial function.

Regarding clinical prognosis, studies have shown that high expression of NDUFA4L2 is closely associated with microsatellite stability and cancer encapsulation in HCC and with a poor prognosis of HCC patients, indicating its potential value in the clinical diagnosis and treatment of HCC. These findings suggest that NDUFA4 may be a potential new target for HCC clinical treatment. Therefore, further exploration of the molecular mechanism of NDUFA4 regulation of HCC is crucial for the development of relevant intervention strategies.

NDUFA4 and gastric cancer

Gastric cancer (GC) is the fourth leading cause of cancer-related deaths worldwide, following lung and liver cancer [1]. Studies have shown that NDUFA4 is highly expressed in human GC and regulates cancer cell growth and metastasis. For example, researchers used single-cell and bulk RNA-seq, as well as tissue microarray technology, to detect and found that the expression of NDUFA4 was upregulated in cancer tissues, which was positively correlated with the poor prognosis of patients [60, 61].

Regarding related metabolism, studies have revealed that the inhibition of glycolysis inhibits GC cell proliferation and cancer growth. Xu et al. Further showed that NDUFA4 promoted glycolysis and oxidative metabolism in GC cells and enhanced GC cell growth by inhibiting ROS levels and increasing matrix metalloproteinase (MMP) expression. However, the inhibition of mitochondrial fission reversed NDUFA4-induced glycolysis, oxidative metabolism, and cancer growth [11]. Further studies found that the upregulation of NDUFA4 expression could accelerate the glycolysis process of human GC cancer cells, producing more ATP to meet the demand for cancer growth [34, 35]. These results suggest that targeted knockdown of NDUFA4 may be a potential new strategy to intervene in GC cancer cell growth.

Recent investigations have elucidated the regulatory role of NDUFA4 in the growth and metastasis of human GC cancer cells through intricate molecular interaction. For instance, Xu et al. found that NDUFA4 expression levels are increased through N6-methyladenosine (M6A) methylation, consequently fostering GC development by augmenting cell glycolysis and promoting mitochondrial fission. Notably, the depletion of NDUFA4 resulted in substantial inhibition of glucose uptake in cancer cells. This downregulation of NDUFA4 significantly attenuated both the extracellular acidification rate (ECAR) and the oxygen consumption rate (OCR) in GC cells, underscoring its pivotal role in cellular energetics. Furthermore, the reduction of NDUFA4 levels was also correlated with a significant decrease in intracellular lactate and ATP concentrations [11]. Li et al. found the role of the LNCMIF-AS1/NDUFA4/MIR-212-5P axis in the occurrence and development of gastric cancer. lncMIF-AS 1 positively regulates the expression of NDUFA4 in gastric cancer cells by attenuating the degradation or repression of the NDUFA4 mRNA induced by MIR-212-5P [36]. The upregulation of NDUFA4 significantly enhances the proliferation ability and inhibits the apoptosis rate of gastric cancer cells in vitro by activating the OXPHOS pathway.

In conclusion, NDUFA4 emerges as a pivotal player in the development of GC through the regulation of mitochondrial OXPHOS and glycolysis pathways and participates in the regulation of other molecules, reflecting its potential application value in the prognosis and treatment of GC. However, the relationship between NDUFA4 expression in GC and drug resistance in human GC stem cells and GC cancer cells needs further investigation.

NDUFA4 and other cancers

Esophageal squamous cell carcinoma (ESCC) represents the most common type of esophageal cancer (EC). Recent studies have revealed that the relative expression level of NDUFA4 in ESCC tissues is significantly lower than that in adjacent tissues. Moreover, the expression of NDUFA4 is closely related to the clinical stage, invasion depth, histological grade, and lymph node metastasis of ESCC. Some studies have further demonstrated that NDUFA4 is involved in the regulation of the growth and metastasis of human ESCC cancer cells. For instance, Y Tang et al. found that NDUFA4 was a direct target gene of miR-147b, and the expression of NDUFA4 in ESCC tissues was negatively correlated with the expression of miR-147b. The miR-147b inhibitor significantly increased the expression of NDUFA4 in ESCC EC1 and EC9706 cells, inhibiting the proliferation and invasion of ESCC and altering the cell cycle distribution [37].

Pancreatic adenocarcinoma (PAAD) is the third leading cause of cancer-related death, with a 5-year relative survival rate of 6%. Recent studies have indicated that NDUFA4 is also upregulated in PAAD tissues, and its expression level demonstrates a negative correlation with patient survival. Zhang et al. further found that NDUFA4 knockdown could induce G1 phase arrest to reduce the proliferation of human PAAD cells [38]. Mechanistically, NDUFA4 knockdown reduced the oxygen consumption rate, cellular ATP level, mitochondrial complex IV activity, and related protein levels, thereby inhibiting OXPHOS. Conversely, NDUFA4 overexpression led to the opposite effects. These results suggest that NDUFA4 promotes pancreatic cancer proliferation by enhancing OXPHOS.

Verrucous epidermal nevus (VEN) is a benign skin cancer that appears at birth or early childhood. NDUFA4 is up-regulated in the lesions of children with VEN, which may be related to the pathogenesis of VEN [62]. In addition, Head and neck paragangliomas (HNPGLs) are rare cancers in which the expression of NDUFA4 shows a significant increase in expression [63], indicating that NDUFA4 also might be involved in the development of HNPGLs.

In summary, NDUFA4 plays a significant role in the occurrence and development of esophageal cancer, pancreatic cancer, and other metabolic system cancers and may serve as a new target for related cancer interventions. However, the mechanisms underlying NDUFA4 regulation in these types of cancers, particularly its aberrant expression, require further elucidation (Fig. 3).

Fig. 3
figure 3

Schematic map of the mechanisms by which NDUFA4 regulates the proliferation of gastrointestinal cancer cells. A Low NDUFA4 or downregulated expression leads to decreased cell number. B High expression of NDUFA4 or its regulated expression leads to cell proliferation (By Figdraw)

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Summary and prospects

NDUFA4 is an essential component of the respiratory chain and maintains mitochondrial function. Aberrant expression of NDUFA4 is associated with the progression of various diseases. In gastrointestinal cancer, accumulating evidence has shown that NDUFA4 and its accessory protein NDUFA4L2 regulate OXPHOS and glycolysis, thereby affecting the growth and metastasis of cancer cells, indicating it might be a promising new target for cancer interventions. Although the related molecular mechanism of NDUFA4 in the development of gastrointestinal cancer has been investigated, many key questions remain unanswered.

First, further investigations are needed to determine the expression pattern of NDUFA4 in different gastrointestinal cancers and its transcriptional regulation. Although multiple potential transcription factor-binding sites are present on the NDUFA4 promoter, the transcriptional regulatory mechanisms underlying its aberrant expression in gastrointestinal cancers are still largely unknown. Recent studies have shown that mRNA modifications (e.g., M6A modifications) can upregulate NDUFA4 expression [11]. Meanwhile, microRNA-7 (miR-7) can downregulate NDUFA4 expression at the transcriptional level [25]. In addition, further studies showed that lncMIF-AS 1 positively regulated NDUFA4 expression by attenuating MIR-212-5P-induced NDUFA4 mRNA degradation or repression [36]. However, further investigations on the regulatory mechanism of NDUFA4 expression will provide insight into the mechanism of NDFUA4 involvement in tumorigenesis and will also enlarge our understanding of the process of tumorigenesis of gastrointestinal cancers.

Second, the role of NDUFA4 in regulating the occurrence and development of gastrointestinal cancers needs to be fully elucidated. Mitochondrial energy metabolism involves mitochondrial dynamics, signal transduction processes, and intracellular metabolic processes such as glucose, lipid, and protein metabolism. As a crucial component of mitochondrial energy metabolism, the effect of NDUFA4 on mitochondrial dynamics and related signal transmission remains largely unknown, especially considering the variations in sugar, fat, and protein metabolism involved in mitochondrial energy metabolism across different cancers. Therefore, utilizing recently developed metabolomic techniques, scRNA sequencing, and other technologies to systematically study the precise mechanism of NDUFA4 in regulating various types of gastrointestinal cancers will provide insights into the role of energy metabolism molecules, represented by NDUFA4, in the occurrence and development of malignant s.

Finally, the exploration of the possible application of NDUFA4-based therapy is essential. Various targets in tumor energy metabolism, including PARP and Srit, have become new focuses for clinical disease interventions, particularly in the context of malignant cancers (Table 2). However, given the importance of NDUFA4 in the development and functional regulation of vital tissues and cells, caution is required when developing new strategies for cancer interventions targeting NDUFA4, emphasizing precision and effectiveness. The internal relationships among different energy metabolism targets also need to be elucidated to provide a crucial foundation for the final development of targeted interventions (Fig. 4).

Table 2 Possible therapeutic targets related to energy metabolism
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Fig. 4
figure 4

Prospects for future research works on NDUFA4

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In conclusion, NDUFA4 and its related molecules play crucial regulatory roles in the occurrence and development of gastrointestinal cancers. Advances in genomic, RNA omic, and metabolomic techniques promise to deepen understanding of the expression regulation mechanism of NDUFA4 and its complex-related molecules in gastrointestinal cancers, as well as their relationship with clinical diseases, will be further enhanced. This will undoubtedly provide important insights into the biological functions of NDUFA family members, including NDUFA4, and is helpful for the development of new strategies for preventing and treating related clinical diseases.

Availability of data and materials

Not applicable.

Abbreviations

NDUFA4:

NADH dehydrogenase 1 alpha subcomplex 4

EM:

Energy metabolism

ICIs:

Immune checkpoint inhibitors

B12D:

NADH-ubiquinone reductase complex 1MLRQ subunit

KW-0812:

Transmembrane β-chain domain

COX:

Cytochrome-c oxidase

CRC:

Colorectal cancer

LRPPRC:

Leucine-rich pentatricopeptide repeat containing

EMT:

Epithelial-mesenchymal transition

NDUFA4L2:

NDUFA4 mitochondrial complex 2

mtROS:

Mitochondrial reactive oxygen species

OXPHOS:

Oxidative phosphorylation

LC:

Liver cancer

HCC:

Hepatocellular carcinoma

GC:

Gastric cancer

MMP:

Matrix metalloproteinase

M6A:

N6-methyladenosine

ESCC:

Esophageal squamous cell carcinoma

PAAD:

Pancreatic adenocarcinoma

VEN:

Verrucous epidermal naevi

HNPGLs:

Head and neck paragangliomas

AB:

Abatacept

RA:

Rheumatoid arthritis

OS:

Overall survival

MOCCI:

The modulator of cytochrome C oxidase

ccRCC:

Clear cell renal cell carcinoma

EVT:

Early pregnancy primary echinotrophoblast

LCA:

Lung cancer

BC:

Breast cancer

RCC:

Renal cell carcinoma

AD:

Alzheimer’s disease

AS:

Azoospermia

ALS:

Amyotrophic lateral sclerosis

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 82160503) and the Project of the Guizhou Provincial Department of Science and Technology (Grant No. QKH-JC-ZK-2022-624).

Funding

This work was supported by the National Natural Science Foundation of China (Grant No. 82160503) and the Project of the Guizhou Provincial Department of Science and Technology (Grant No. QKH-JC-ZK-2022-624).

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Authors and Affiliations

  1. Department of Pathophysiology, Zunyi Medical University, Zunyi, 563000, Guizhou, China

    Quanling Zhou, Hailong Zhao, Lijuan Li & Ya Zhou

  2. Department of Physics, Zunyi Medical University, Zunyi, 563000, Guizhou, China

    Quanling Zhou, Xiaohui Li, Honglian Zhou & Ya Zhou

  3. Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi, 563000, Guizhou, China

    Juanjuan Zhao & Ya Zhou

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  1. Quanling Zhou
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  2. Xiaohui Li
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  3. Honglian Zhou
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  4. Juanjuan Zhao
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  5. Hailong Zhao
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  6. Lijuan Li
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Contributions

Conceptualization, YZ and QZ; writing—original draft preparation, QZ; writing—review and editing, XL, HZ, JZ, HZ and LL; visualization, YZ; supervision, YZ; project administration, YZ; funding acquisition, YZ. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Ya Zhou.

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Zhou, Q., Li, X., Zhou, H. et al. Mitochondrial respiratory chain component NDUFA4: a promising therapeutic target for gastrointestinal cancer. Cancer Cell Int 24, 97 (2024). https://doi.org/10.1186/s12935-024-03283-8

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Cancer Cell International

ISSN: 1475-2867

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