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高代谢产生 ROS 导致的氧化应激,维持细胞内的 Nanjing Medical University(Natural Sciences),2015,35
氧化还原平衡,从而促进肿瘤细胞存活,导致更差 (4):529-533
的预后。有研究证实,DLBCL 可以通过溶酶体对 [2] POLETTO S,NOVO M,PARUZZO L,et al. Treatment
部分化疗药物产生耐药 [27] ,而 CYB5 可以导致溶酶 strategies for patients with diffuse large B⁃cell lym⁃
phoma[J]. Cancer Treat Rev,2022,110:102443
体功能障碍 [28] ,CYB5R2 是否通过直接还原 CYB5,
[3] CARO P,KISHAN A U,NORBERG E,et al. Metabolic
促进溶酶体介导的 DLBCL 耐药,进而影响患者预
signatures uncover distinct targets in molecular subsets of
后有待进一步研究证实。
diffuse large B cell lymphoma[J]. Cancer Cell,2012,22
CYB5R2 在多种肿瘤中表达异常,并在 DLBCL
(4):547-560
中呈现高表达状态。本研究通过免疫组化进一步 [4] MENSAH A A,SPRIANO F,SARTORI G,et al. Study of
对CYB5R2在DLBCL 中的表达情况进行判断,发现 the antilymphoma activity of pracinostat reveals different
CYB5R2 的表达与 COO 分型、血清 LDH 水平以及 sensitivities of DLBCL cells to HDAC inhibitors[J].
CD10的表达相关,并且是DLBCL预后不良的标志, Blood Adv,2021,5(10):2467-2480
提示 CYB5R2 在 DLBCL 患者预后评估以及靶向治 [5] BUSCH J D,FIELDEN L F,PFANNER N,et al. Mito⁃
chondrial protein transport:versatility of translocases and
疗中具有重要作用。目前,有关 CYB5R2 在 DLBCL
mechanisms[J]. Mol Cell,2023,83(6):890-910
中高表达的功能及机制尚未阐明,探索 CYB5R2 在
[6] PALMA F R,GANTNER B N,SAKIYAMA M J,et al.
DLBCL发生及恶性生物学进展中的具体机制,可能
ROS production by mitochondria:Function or dysfunc⁃
为DLBCL患者带来更大的治疗获益。
tion?[J]. Oncogene,2024,43(5):295-303
利益冲突声明:
[7] CHEUNG E C,VOUSDEN K H. The role of ROS in tu⁃
所有作者声明无利益冲突。
mour development and progression[J]. Nat Rev Cancer,
Conflict of Interests:
2022,22(5):280-297
All authors declare no conflict of interests.
[8] CAI Y Q,LV L M,LU T G,et al. α⁃KG inhibits tumor
作者贡献声明:
growth of diffuse large B⁃cell lymphoma by inducing ROS
孙书凝负责数据收集、文献查阅、论文初稿撰写;龚予希
and TP53 ⁃ mediated ferroptosis[J]. Cell Death Discov,
负责数据收集、数据解读、文献查阅;杨野梵负责生信分析;
2023,9(1):182
甘芠源负责数据分析;陈刚负责免疫组织化学染色实验;肖
[9] PROSKURNINA E V,FEDOROVA M V,SOZARUKO⁃
菁娇和张诗婷负责数据收集、论文修改;张智弘负责研究设
VA M M,et al. Microsomal reductase activity in patients
计、数据解读、论文修改,提供基金项目支持。
with thyroid neoplasms[J]. Endocrine,2021,72(3):735-
Author’s Contributions:
743
SUN Shuning was responsible for data collection,literature
[10]JAFFEY J A,READING N S,ABDULMALIK O,et al.
review,and drafting the initial manuscript;GONG Yuxi was re⁃
Clinical,metabolic,and molecular genetic characteriza⁃
sponsible for data collection,data interpretation,and literature
tion of hereditary methemoglobinemia caused by cyto⁃
review;YANG Yefan was responsible for bioinformatics analy⁃
chrome b5 reductase deficiency in 30 dogs[J]. Sci Rep,
sis;GAN Wenyuan was responsible for data analysis;CHEN
2020,10(1):21399
Gang was responsible for immunohistochemical staining experi⁃
[11]ZHU Z,SHEN H Y,XU J L,et al. GATA3 mediates doxo⁃
ments;XIAO Jingjiao and ZHANG Shiting were responsible for
rubicin resistance by inhibiting CYB5R2 ⁃ catalyzed iron
data collection and manuscript revision;ZHANG Zhihong was
reduction in breast cancer cells[J]. Drug Resist Updat,
responsible for research design,data interpretation,manuscript
2023,69:100974
revision,and providing funding support.
[12]XIAO X,ZHAO W L,TIAN F Y,et al. Cytochrome b5
[参考文献] reductase 2 is a novel candidate tumor suppressor gene
[1] 陈施婧,朱 彦,雷 芳,等.(R)⁃CHOP方案中阿霉素 frequently inactivated by promoter hypermethylation in
平均每周剂量强度影响初诊弥漫大B细胞淋巴瘤患者 human nasopharyngeal carcinoma[J]. Tumour Biol,
的治疗效果[J]. 南京医科大学学报(自然科学版), 2014,35(4):3755-3763
2015,35(4):529-533 [13]DEVANEY J M,WANG S,FUNDA S,et al. Identification
CHEN S J,ZHU Y,LEI F,et al. The impact of the average of novel DNA⁃methylated genes that correlate with human
weekly dose intensity of doxorubicin in the(R)⁃ CHOP prostate cancer and high ⁃ grade prostatic intraepithelial
regimen on the treatment efficacy of newly diagnosed neoplasia[J]. Prostate Cancer Prostatic Dis,2013,16
diffuse large B ⁃ cell lymphoma patients[J]. Journal of (4):292-300

