Article
Medicine, Research & Experimental
Renkai Li, Chengwen Zheng, Polly Ho-Ting Shiu, Panthakarn Rangsinth, Wen Wang, Yiu-Wa Kwan, Emily Sze-Wan Wong, Yanbo Zhang, Jingjing Li, George Pak-Heng Leung
Summary: Despite various therapeutic approaches, developing novel and more effective methods for colorectal cancer treatment is crucial due to its high fatality rate. The recent study explored the anticancer effects of GAR E, a bioactive xanthone found in mangosteen, and identified the involvement of the ROS/JNK signaling pathway in its mechanism of action. The experiments demonstrated that GAR E inhibited colony formation and wound healing in cancer cells, triggered ROS production, induced mitochondrial dysfunction and apoptosis, and caused cell cycle arrest. In vivo experiments also confirmed the antitumor effect of GAR E in a xenograft mouse model. These findings suggest that GAR E could be a potential chemotherapeutic agent for colorectal cancer treatment.
BIOMEDICINE & PHARMACOTHERAPY
(2023)
Review
Biochemistry & Molecular Biology
Ana Margarida Teixeira, Clara Sousa
Summary: Medicinal plants have been traditionally used to cure illnesses, and natural compounds extracted from plants, including the Camellia species, have garnered scientific attention in recent decades. Tea and oil extracted from Camellia sinensis and Camellia oleifera are the most valuable subproducts. Several studies report the health benefits of Camellia species, particularly their antimicrobial and antitumoral activities, as well as their abundance in polyphenols like catechins.
Article
Neurosciences
Brenda Garcia-Hernandez, Julio Moran
Summary: TXNIP is a protein sensitive to oxidant conditions whose expression is related to the progression of death in cancer, diabetes, ischemia, and neurodegenerative diseases, among others. It has been shown that ROS promotes the expression of Txnip through the activation of the FOXO3 transcription factor mediated by Akt inhibition. Additionally, Txnip downregulation decreases neuronal death induced by staurosporine stimulus.
FRONTIERS IN MOLECULAR NEUROSCIENCE
(2023)
Article
Chemistry, Medicinal
Ah-Won Kwak, Jin-Young Lee, Seung-On Lee, Ji-hye Seo, Jin Woo Park, Yung Hyun Choi, Seung-Sik Cho, Goo Yoon, Mee-Hyun Lee, Jung-Hyun Shim
Summary: This study elucidates the molecular mechanism of Ech-induced apoptosis in both oxaliplatin-sensitive and -resistant CRC cells, showing that Ech exhibits anticancer activity by inducing ROS-mediated apoptosis through the JNK/p38 MAPK signaling pathway.
PHYTOTHERAPY RESEARCH
(2023)
Article
Biochemistry & Molecular Biology
Zhiyuan Yang, Chao Bai, Peng Wang, Weidong Fu, Le Wang, Zhen Song, Xin Xi, Hanwen Wu, Guoliang Zhang, Jiahe Wu
Summary: Common sandbur, an invasive grass species, exhibits remarkable drought tolerance through the modulation of multiple metabolic pathways and other adaptations, including the accumulation of sucrose, fatty acids, and ascorbate, the shift in redox potential, the accumulation of flavonoid intermediates, and the scavenging of reactive oxygen species.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Medicine, Research & Experimental
Zhaopei Guo, Zian Wang, Ruifeng Liang, Huayu Tian, Xuesi Chen, Meiwan Chen
Summary: Designing and synthesizing water-soluble prodrugs improved the physicochemical properties of camptothecin, enhancing its anti-tumor effect, especially through mitochondria-specific delivery.
BOSNIAN JOURNAL OF BASIC MEDICAL SCIENCES
(2022)
Article
Medicine, Research & Experimental
Zhaopei Guo, Zian Wang, Ruifeng Liang, Huayu Tian, Xuesi Chen, Meiwan Chen
Summary: This study designed and synthesized two water-soluble prodrugs, CPT-lysine and CPT-arginine, to improve the solubility and anti-tumor effect of CPT. The introduction of arginine into CPTR enabled mitochondria-specific delivery, enhancing cell apoptosis and anti-cancer effect.
BOSNIAN JOURNAL OF BASIC MEDICAL SCIENCES
(2022)
Article
Nanoscience & Nanotechnology
Haili Zhang, Xiao Xu, Dan Yan, Chunlin Ren, Jinghan Zhang, Mengzhen Gu, Yun Wang, Peiye Wu, Zhongrui Li, Lingyi Kong, Chao Han
Summary: Researchers developed a new nanodrug delivery system (PN) to increase ROS production by degrading the NQO1 protein, leading to enhanced anti-tumor effects. In vitro and in vivo studies demonstrated that PN significantly increased ROS production and exhibited potent antitumor properties. This nanoplatform might provide an alternative approach for treating tumors with NQO1 overexpression.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Engineering, Environmental
Slawomir Dresler, Jozef Kovacik, Ireneusz Sowa, Magdalena Wojciak, Maciej Strzemski, Anna Rysiak, Peter Babula, Christopher D. Todd
Summary: This study investigated the role of allantoin overaccumulation in response to cadmium and mercury, finding that allantoin influences the accumulation of specific metabolites, while nitric oxide has a greater impact on the metabolite profile in wild-type plants.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Pharmacology & Pharmacy
Tao Zhang, Yuchen Shen, Ruirong Zhu, Weiyan Shan, Yurong Li, Ming Yan, Yun Zhang
Summary: This study demonstrated that exposure to BaP can cause necroptotic death of osteocytes and activate the JNK/IL-18 pathway via ROS generation.
Article
Pharmacology & Pharmacy
Kyung-Sook Chung, Chae-Bin Yoo, Jeong-Hun Lee, Hwi-Ho Lee, Sang-Eun Park, Hee-Soo Han, Su-Yeon Lee, Byoung-Mok Kwon, Jung-Hye Choi, Kyung-Tae Lee
Summary: The study shows that 2'-HCA induces apoptosis in HL-60 cells via activation of the ROS-dependent JNK pathway, suggesting its potential as a therapeutic agent for leukemia.
Article
Plant Sciences
Misun Kim, Yosup Park, Seok Kyu Yun, Sang Suk Kim, Jaeho Joa, Young-Eel Moon, Gyung-Ran Do
Summary: This study investigated the anatomical differences and abiotic stress responses in 'Nichinan 1 gou' satsuma mandarin according to the severity of sunburn damage. Anatomical observations showed that with increased severity of symptoms, the damage to fruit rind surface and oil glands was increased. Analysis of peel pigments revealed changes in chlorophyll, carotenoid, and flavonoid content with sunburn severity. The fruit quality analysis showed significant differences in several parameters between sunburned and non-sunburned fruits. Heat tolerance tests confirmed rind damage at temperatures above 47°C.
Review
Chemistry, Multidisciplinary
Stepan Sysak, Beata Czarczynska-Goslinska, Piotr Szyk, Tomasz Koczorowski, Dariusz T. Mlynarczyk, Wojciech Szczolko, Roman Lesyk, Tomasz Goslinski
Summary: Flavonoids are widely found in plants and have various medical applications. Combining flavonoids with nanocarriers can improve their bioavailability and create systems with wider functionalities. The conjugates of flavonoid-metal nanoparticles have unique physicochemical and biological properties, including improved selectivity towards target sites. Furthermore, flavonoids can also play a role in the initial step of metal nanomaterial preparation.
Article
Plant Sciences
Ah-Won Kwak, Jin Woo Park, Seung-On Lee, Jin-Young Lee, Ji-hye Seo, Goo Yoon, Mee-Hyun Lee, Joon-Seok Choi, Jung-Hyun Shim
Summary: This study found that Isolinderalactone (ILL) can exert its anticancer effect in colorectal cancer (CRC) cells sensitive and resistant to oxaliplatin (Ox) by inducing ROS-mediated apoptosis through JNK/p38 MAPK signaling pathways. This provides a new insight into therapeutic strategies targeting drug-resistant CRC.
Review
Agronomy
Rupal Singh Tomar, Sunita Kataria, Anjana Jajoo
Summary: This article explores the recent research on signaling and mechanisms for salt tolerance in plants, focusing on the role of the salt overly sensitive system (SOS) and related antiporters proteins and mitogen-activated protein kinase cascades under salt stress. It also highlights the differential expression of various antioxidative enzymes in C3, C4 and CAM plants.
JOURNAL OF AGRONOMY AND CROP SCIENCE
(2021)