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Epigenetic silencing of BEND4, a novel DNA damage repair gene, is a synthetic lethal marker for ATM inhibitor in pancreatic cancer

Frontiers of Medicine doi: 10.1007/s11684-023-1053-3

Abstract: Synthetic lethality is a novel model for cancer therapy. To understand the function and mechanism of BEN domain-containing protein 4 (BEND4) in pancreatic cancer, eight cell lines and a total of 492 cases of pancreatic neoplasia samples were included in this study. Methylation-specific polymerase chain reaction, CRISPR/Cas9, immunoprecipitation assay, comet assay, and xenograft mouse model were used. BEND4 is a new member of the BEN domain family. The expression of BEND4 is regulated by promoter region methylation. It is methylated in 58.1% (176/303) of pancreatic ductal adenocarcinoma (PDAC), 33.3% (14/42) of intraductal papillary mucinous neoplasm, 31.0% (13/42) of pancreatic neuroendocrine tumor, 14.3% (3/21) of mucinous cystic neoplasm, 4.3% (2/47) of solid pseudopapillary neoplasm, and 2.7% (1/37) of serous cystic neoplasm. BEND4 methylation is significantly associated with late-onset PDAC (> 50 years, P < 0.01) and tumor differentiation (P < 0.0001), and methylation of BEND4 is an independent poor prognostic marker (P < 0.01) in PDAC. Furthermore, BEND4 plays tumor-suppressive roles in vitro and in vivo. Mechanistically, BEND4 involves non-homologous end joining signaling by interacting with Ku80 and promotes DNA damage repair. Loss of BEND4 increased the sensitivity of PDAC cells to ATM inhibitor. Collectively, the present study revealed an uncharacterized tumor suppressor BEND4 and indicated that methylation of BEND4 may serve as a potential synthetic lethal marker for ATM inhibitor in PDAC treatment.

Keywords： BEND4     DNA methylation     synthetic lethality     NHEJ pathway    

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Low-temperature caproate production, microbial diversity, and metabolic pathway in xylose anaerobic fermentation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1637-9

Abstract:

● Converting xylose to caproate under a low temperature of 20 °C by MCF was verified.

Keywords： Xylose fermentation     Caproate     Low temperature     Bifidobacterium     FAB pathway     RBO pathway    

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FERM domain-containing protein FRMD6 activates the mTOR signaling pathway and promotes lung cancer progression

Frontiers of Medicine 2023, Volume 17, Issue 4,   Pages 714-728 doi: 10.1007/s11684-022-0959-5

Abstract: FRMD6 interacts and colocalizes with mTOR and S6K, which are the key molecules of the mTOR signaling pathwayFurthermore, knocking out FRMD6 inhibits the activation of the mTOR signaling pathway in Frmd6our results show that FRMD6 contributes to lung cancer progression by activating the mTOR signaling pathway

Keywords： FRMD6     lung cancer     mTOR pathway    

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Exploring the methodology and application of clinical pathway in evidence-based Chinese medicine

Sicheng Wang, He Yu, Jianping Liu, Baoyan Liu

Frontiers of Medicine 2011, Volume 5, Issue 2,   Pages 157-162 doi: 10.1007/s11684-011-0128-8

Abstract: At present, clinical pathway has become one of the most important health care reform measures in manyIn this study, the authors introduced basic concepts and explored the application of the clinical pathwaySuch concepts provide examples and experiences, on which the application of clinical pathway in Chinese

Keywords： evidence-based medicine     clinical pathway     methodology     concept     technical difficulty    

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Endogenous tissue factor pathway inhibitor in vascular smooth muscle cells inhibits arterial thrombosis

Jichun Yang, Kaiyue Jin, Jiajun Xiao, Jing Ma, Duan Ma

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 403-409 doi: 10.1007/s11684-017-0522-y

Abstract:

Tissue factor pathway inhibitor (TFPI) is the main inhibitor of tissue factor-mediated coagulation

Keywords： arterial thrombosis     conditional knockout mice     tissue factor pathway inhibitor     vascular smooth muscle    

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Apigenin alleviates neomycin-induced oxidative damage via the Nrf2 signaling pathway in cochlear hair

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 637-650 doi: 10.1007/s11684-021-0864-3

Abstract: Further evidence suggested that the nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway

Keywords： apigenin     aminoglycosides     ototoxicity     oxidative stress     Nrf2 signaling pathway    

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Biosynthetic pathway of terpenoid indole alkaloids in Catharanthus roseus

Xiaoxuan Zhu,Xinyi Zeng,Chao Sun,Shilin Chen

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 285-293 doi: 10.1007/s11684-014-0350-2

Abstract: Here we review the recent advances in the biosynthetic pathway of terpenoid indole alkaloids (TIAs) inSecologanin is derived from terpenoid (isoprenoid) biosynthetic pathway, while tryptamine is derivedfrom indole biosynthetic pathway.Although many genes and corresponding enzymes have been characterized in this pathway, our knowledgeon the whole TIA biosynthetic pathway still remains largely unknown up to date.

Keywords： Catharanthus roseus     terpenoidindole alkaloids     biosynthetic pathway     vinblastine     vincristine    

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Genetic evidence in planar cell polarity signaling pathway in human neural tube defects

Chunquan Cai, Ouyan Shi

Frontiers of Medicine 2014, Volume 8, Issue 1,   Pages 68-78 doi: 10.1007/s11684-014-0308-4

Abstract: The planar cell polarity (PCP) pathway controls the process of convergent extension (CE) during gastrulationThis review summarizes the cumulative results of recent studies on PCP signaling pathway and human NTDs

Keywords： planar cell polarity     neural tube defects     rare mutations    

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The role of PARP1 in the DNA damage response and its application in tumor therapy

Zhifeng Wang, Fengli Wang, Tieshan Tang, Caixia Guo

Frontiers of Medicine 2012, Volume 6, Issue 2,   Pages 156-164 doi: 10.1007/s11684-012-0197-3

Abstract:

Single-strand break repair protein poly(ADP-ribose) polymerase 1 (PARP1) catalyzes the poly(ADP-ribosyl)ation of many key proteins in vivo and thus plays important roles in multiple DNA damage response pathways, rendering it a promising target in cancer therapy. The tumor-suppressor effects of PARP inhibitors have attracted significant interest for development of novel cancer therapies. However, recent evidence indicated that the underlying mechanism of PARP inhibitors in tumor therapy is more complex than previously expected. The present review will focus on recent progress on the role of PARP1 in the DNA damage response and PARP inhibitors in cancer therapy. The emerging resistance of BRCA-deficient tumors to PARP inhibitors is also briefly discussed from the perspective of DNA damage and repair. These recent research advances will inform the selection of patient populations who can benefit from the PARP inhibitor treatment and development of effective drug combination strategies.

Keywords： PARP1     synthetic lethality     PARP inhibitor     DNA repair     cancer     NHEJ    

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Xiao Ke Qing improves glycometabolism and ameliorates insulin resistance by regulating the PI3K/Akt pathway

Xiaoqing Li, Xinxin Li, Genbei Wang, Yan Xu, Yuanyuan Wang, Ruijia Hao, Xiaohui Ma

Frontiers of Medicine 2018, Volume 12, Issue 6,   Pages 688-696 doi: 10.1007/s11684-018-0662-8

Abstract: an effective drug for T2DM by ameliorating insulin resistance and regulating the PI3K/Akt signaling pathway

Keywords： XKQ     type 2 diabetes mellitus     KKAy mice     PI3K/Akt pathway     diabetic liver disease    

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NETO2 promotes melanoma progression via activation of the Ca/CaMKII signaling pathway

Frontiers of Medicine 2023, Volume 17, Issue 2,   Pages 263-274 doi: 10.1007/s11684-022-0935-0

Abstract: of calcium ions (Ca2+) and the expression of key genes involved in the calcium signaling pathway

Keywords： melanoma     neuropilin and tolloid-like 2     Ca2+/CaMKII signaling pathway    

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Wnt/β-catenin signaling pathway and its role in hepatocellular carcinoma

ZHANG Xufeng, YU Liang, LU Yi

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 216-228 doi: 10.1007/s11684-008-0042-x

Abstract: -catenin signaling pathway has been identified as a key cellular pathway in embryogenesis and diseaseobserved and their exact functions approached, thus ensuring the most complicated understanding of this pathwayIn hepatocellular carcinoma (HCC), with a deeply understanding of this pathway, more and more genes which-catenin signaling pathway has recently been identified and their exact roles in HCC pursued.In this review, we will focus on a mostly updated understanding of this pathway and its observed role

Keywords： interacting     complicated understanding     embryogenesis     activation     organism development    

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Analysis of a Peaked Carbon Emission Pathway in China Toward Carbon Neutrality

Project Team on the Strategy and Pathway for Peaking Carbon Emissions and Carbon Neutrality

Engineering 2021, Volume 7, Issue 12,   Pages 1673-1677 doi: 10.1016/j.eng.2021.10.003

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Prohibitin regulates mTOR pathway via interaction with FKBP8

Jiahui Zhang, Yanan Yin, Jiahui Wang, Jingjing Zhang, Hua Liu, Weiwei Feng, Wen Yang, Bruce Zetter, Yingjie Xu

Frontiers of Medicine 2021, Volume 15, Issue 3,   Pages 448-459 doi: 10.1007/s11684-020-0805-6

Abstract: the downregulation of PHB1 inhibited the proliferation of ovarian cancer cells and the mTOR signaling pathway

Keywords： prohibitin 1     FKBP8     mTOR     cell proliferation     cancer    

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Life-cycle analysis of energy use and greenhouse gas emissions of gas-to-liquid fuel pathway from steel

Xunmin OU, Xu ZHANG, Qian ZHANG, Xiliang ZHANG

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 263-270 doi: 10.1007/s11708-013-0263-9

Abstract: The LanzaTech process can convert carbon monoxide-containing gases produced by industries, such as steel manufacturing, into valuable fuel products. The life-cycle analysis (LCA) of energy use and greenhouse gas emissions from the LanzaTech process has been developed for a Chinese setting using the original Tsinghua China Automotive LCA model along with a customized module developed principally for the process. The LCA results demonstrate that LanzaTech gas-to-liquid (GTL) processing in China’s steel manufacturing is favorable in terms of life-cycle fossil energy and can reduce greenhouse gas emissions by approximately 50% compared with the conventional petroleum gasoline. The LanzaTech process, therefore, shows advantages in both energy-savings and a reduction in greenhouse gas emissions when compared with most bio-ethanol production pathways in China.

Keywords： life-cycle analysis (LCA)     gas-to-liquid (GTL)     LanzaTech process    

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Title Author Date Type Operation

Epigenetic silencing of BEND4, a novel DNA damage repair gene, is a synthetic lethal marker for ATM inhibitor in pancreatic cancer

Journal Article

Low-temperature caproate production, microbial diversity, and metabolic pathway in xylose anaerobic fermentation

Journal Article

FERM domain-containing protein FRMD6 activates the mTOR signaling pathway and promotes lung cancer progression

Journal Article

Exploring the methodology and application of clinical pathway in evidence-based Chinese medicine

Sicheng Wang, He Yu, Jianping Liu, Baoyan Liu

Journal Article

Endogenous tissue factor pathway inhibitor in vascular smooth muscle cells inhibits arterial thrombosis

Jichun Yang, Kaiyue Jin, Jiajun Xiao, Jing Ma, Duan Ma

Journal Article

Apigenin alleviates neomycin-induced oxidative damage via the Nrf2 signaling pathway in cochlear hair

Journal Article

Biosynthetic pathway of terpenoid indole alkaloids in Catharanthus roseus

Xiaoxuan Zhu,Xinyi Zeng,Chao Sun,Shilin Chen

Journal Article

Genetic evidence in planar cell polarity signaling pathway in human neural tube defects

Chunquan Cai, Ouyan Shi

Journal Article

The role of PARP1 in the DNA damage response and its application in tumor therapy

Zhifeng Wang, Fengli Wang, Tieshan Tang, Caixia Guo

Journal Article

Xiao Ke Qing improves glycometabolism and ameliorates insulin resistance by regulating the PI3K/Akt pathway

Xiaoqing Li, Xinxin Li, Genbei Wang, Yan Xu, Yuanyuan Wang, Ruijia Hao, Xiaohui Ma

Journal Article

NETO2 promotes melanoma progression via activation of the Ca/CaMKII signaling pathway

Journal Article

Wnt/β-catenin signaling pathway and its role in hepatocellular carcinoma

ZHANG Xufeng, YU Liang, LU Yi

Journal Article

Analysis of a Peaked Carbon Emission Pathway in China Toward Carbon Neutrality

Project Team on the Strategy and Pathway for Peaking Carbon Emissions and Carbon Neutrality

Journal Article

Prohibitin regulates mTOR pathway via interaction with FKBP8

Jiahui Zhang, Yanan Yin, Jiahui Wang, Jingjing Zhang, Hua Liu, Weiwei Feng, Wen Yang, Bruce Zetter, Yingjie Xu

Journal Article

Life-cycle analysis of energy use and greenhouse gas emissions of gas-to-liquid fuel pathway from steel

Xunmin OU, Xu ZHANG, Qian ZHANG, Xiliang ZHANG

Journal Article