Read by QxMD icon Read


Zejun Mo, Linghuan Li, Haiwen Yu, Yingqi Wu, Hanbing Li
Glucocorticoids are widely prescribed for lots of pathological conditions, however, can produce 'Cushingoid' side effects including central obesity, glucose intolerance, insulin resistance and so forth. Our study is intended to investigate the improving effects of coumarins on diabetogenic action of dexamethasone in vivo and in vitro and elucidate potential mechanisms. ICR mice treated with dexamethasone for 21 days exhibited decreased body weight, increased blood glucose and impaired glucose tolerance, which were prevented by fraxetin (40 mg/kg/day), esculin (40 mg/kg/day) and osthole (20 mg/kg/day), respectively...
January 23, 2019: Journal of Pharmacological Sciences
Shu-Guang Zhang, Chao-Gen Liang, Yue-Qing Sun, Peng Teng, Jia-Qun Wang, Wei-Hua Zhang
We synthesized a series of novel pyrrole- and pyrazole-substituted coumarin derivatives and evaluated their antifungal activity against six phytopathogenic fungi in vitro. The primary assay results demonstrated that some designed compounds displayed potent activities. Among them, compounds 5g, 6a, 6b, 6c, 6d and 6h exhibited more effective control than Osthole against Cucumber anthrax and Alternaria leaf spot. Furthermore, compound 5g displayed stronger antifungal activity against Rhizoctorzia solani (EC50  = 15...
January 29, 2019: Molecular Diversity
Ying Lin, Yingjia Yao, Xicai Liang, Yue Shi, Liang Kong, Honghe Xiao, Yutong Wu, Yingnan Ni, Jingxian Yang
OBJECTIVE: To investigate the effect of osthole on the expression of amyloid precursor protein (APP) in Alzheimer's disease (AD) cell model and its mechanism. METHODS: The SH-SY5Y cell with over expression of APP was established by transfection by liposome 2000. The cells were treated with different concentrations of osthole, and the cell viability was determined by MTT and lactate dehydrogenase (LDH) assay. The differentially expressed miRNAs with and without osthole treatment were detected by miRNA array, and the target genes binding to the differentially expressed miRNAs were identified and verified by databases and Cytoscape...
May 25, 2018: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
Wei-Chih Kan, Jean-Yu Hwang, Lea-Yea Chuang, Jinn-Yuh Guh, Yi-Ling Ye, Yu-Lin Yang, Jau-Shyang Huang
BACKGROUND: Osthole has been widely reported to have pharmacological activities such as anti-cancer, anti-inflammation and anti-hyperlipidemic effects. Klotho was identified as an anti-senescence protein in a variety of tissues. Loss of klotho has been associated with chronic kidney disease. However, potential roles and molecular events for osthole and klotho in diabetic nephropathy remain unclear. PURPOSE: In the current study, we undertook to study the effect of osthole on klotho expression in advanced glycation end products (AGE)-cultured human renal proximal tubular cells, and to investigate the molecular mechanisms of osthole and exogenous klotho against AGE-induced renal tubular hypertrophy...
September 6, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Yu Wang, Yong Zhou, Xiang Wang, Fei Zhen, Rui Chen, Deqin Geng, Ruiqin Yao
Parkinson's disease (PD) is an age-related neurodegenerative disease characterized by motor dysfunctions. Dopaminergic neuron loss, inflammation and oxidative stress responses play key roles in the pathogenisis of PD. Osthole (Ost), a natural coumarin derivative, isolated from various herbs such as Cnidium monnieri (L.), has anti-inflammatory, anti-apoptotic and anti-oxidative stress properties. However, whether it has effects on PD is unknown. In this study, mice were subjected to 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) injection to induce PD symptoms, and treated with osthole...
January 22, 2019: International Journal of Neuroscience
Xi Zhao, Jie Xue, Meilin Xie
Osthole, a coumarin derivative, can increase hepatic peroxisome proliferator-activated receptor α (PPARα) expression and reduce hepatic steatosis and inflammatory response in rats with non-alcoholic steatohepatitis (NASH). In this study, a cell model of NASH was induced with oleic acid (OA)/lipopolysaccharide (LPS) and treated for 36 h with different osthole concentrations. Results showed that intracellular lipid and inflammatory cytokine levels gradually decreased after osthole treatment. These effects, however, were abolished or attenuated after PPARα gene silencing...
January 16, 2019: Experimental Gerontology
Natalia Karolina Kordulewska, Anna Cieślińska, Ewa Fiedorowicz, Beata Jarmołowska, Elżbieta Kostyra
BACKGROUND: Osthole (7-methoxy-8-isopentenylcoumarin) is natural coumarin isolated from the fruit of Cnidium monnieri (L.) Cusson , which is commonly used in medical practice of traditional Chinese medicine (TCM) in various diseases including allergies and asthma disorders. PURPOSE: Osthole was tested for the anti-histamine, anti-allergic, and inhibitory effects of COX-2 (cyclooxygenase-2) in children with diagnosed allergies. Additionally, we hypothesize that stated alterations in children with diagnosed allergies including increased expression of interleukin 1-β receptor type 1 ( IL-1 type I ) and E-prostanoid ( EP ) 2 receptors, as well as raised expression, production, and activity of COX-2 and IL-1β in incubated medium are approximately connected...
January 7, 2019: International Journal of Molecular Sciences
Xuanxuan Dai, Changtian Yin, Yi Zhang, Guilong Guo, Chengguang Zhao, Ouchen Wang, Youqun Xiang, Xiaohua Zhang, Guang Liang
BACKGROUND: Triple-negative breast cancer (TNBC) is an aggressive subgroup of human breast cancer. Patients with TNBC have poor clinical outcome as they are non-responsive to current targeted therapies. There is an urgent need to identify new therapeutic targets and develop more effective treatment options for TNBC patients. Osthole, a natural product from C. monnieri, has been shown to inhibit certain cancer cells. However, the mechanisms of action as well as its effect on TNBC cells are not currently known...
December 22, 2018: Journal of Experimental & Clinical Cancer Research: CR
Yun Yang, Feng Ren, Ziyin Tian, Wei Song, Binfeng Cheng, Zhiwei Feng
Background and Purpose: Although trastuzumab has shown considerable activity in the treatment of HER2-positive breast and gastric cancers, a significant proportion of patients do not respond to trastuzumab. Recent studies revealed that osthole, an active coumarin isolated from Cnidium monnieri (L.) Cusson possesses potent anti-tumor activity. Here, we for the first time investigated the anti-tumor activity of trastuzumab in combination with osthole in HER2-overexpressing cancers. Materials and Methods: N87 and SK-BR-3 cell lines, which were HER2-overexpressing cancer cells were used in our study...
2018: Frontiers in Pharmacology
Suping Zhang, Qian Huang, Xiaoxia Cai, Shan Jiang, Nan Xu, Qin Zhou, Xiaoyun Cao, Michael Hultström, Jiong Tian, En Yin Lai
Renal fibrosis is a common pathway of virtually all progressive kidney diseases. Osthole (OST, 7-Methoxy-8-(3-methylbut-2-enyl)-2-chromenone), a derivative of coumarin mainly found in plants of the Apiaceae family, has shown inhibitory effects on inflammation, oxidative stress, fibrosis and tumor progression. The present study investigated whether OST mediates its effect via suppressing fibroblast activation and epithelial-mesenchymal transition (EMT) in unilateral ureteral obstruction (UUO)-induced renal fibrosis in mice...
2018: Frontiers in Physiology
Yingjia Yao, Yameng Wang, Liang Kong, Yuqing Chen, Jingxian Yang
AIM: Alzheimer's disease (AD), a neurodegenerative disease, was characterized by the loss of memory and progressive cognitive deterioration. Up to now, there has no effective drugs to cure or delay the state of illness. Increasing evidence indicates that hyperphosphorylated tau protein plays a pivotal role in the occurrence and development of AD. Therefore, in present study, we aim to investigate whether osthole (OST) could decrease hyperphosphorylated tau protein in AD and the underlying mechanism...
November 21, 2018: Life Sciences
Yuusuke Tashiro, Ryo Sakai, Tomoko Hirose-Sugiura, Yukio Kato, Hirotaka Matsuo, Tappei Takada, Hiroshi Suzuki, Toshiaki Makino
(1) Background: Crude drugs used in traditional Japanese Kampo medicine or folk medicine are major sources of new chemical entities for drug discovery. We screened the inhibitory potential of these crude drugs against urate transporter 1 (URAT1) to discover new drugs for hyperuricemia. (2) Methods: We prepared the MeOH extracts of 107 different crude drugs, and screened their inhibitory effects on URAT1 by measuring the uptake of uric acid by HEK293/PDZK1 cells transiently transfected with URAT1. (3) Results: We found that the extract of the dried mature fruit of Cnidium monnieri inhibited urate uptake via URAT1...
November 1, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Wen-Bo Zhou, Xin-Xin Zhang, Yun Cai, Wu Sun, Hao Li
Tamoxifen (TMX) is an antiestrogen drug that is used in the treatment and prevention of all stages of estrogen-dependent breast cancer. Adverse effects of TMX include hepatotoxicity. In this study, we investigated the therapeutic effects of osthole, isolated from medicinal plants especially Fructus Cnidii, on TMX-induced acute liver injury in mice. Mice were injected with osthole (100 mg/kg, ip) or vehicle, followed by TMX (90 mg/kg, ip) 24 h later. We showed that a single injection of TMX-induced liver injury and oxidative stress...
October 12, 2018: Acta Pharmacologica Sinica
Gui-Jie Li, Hou-Jiu Wu, Yu Wang, Wei-Lun Hung, Russell L Rouseff
A synergistic combination of analytical techniques was developed for the simultaneous determination of the three most biologically active chemical families in citrus juices: methoxylated flavones, coumarins, and furanocoumarins. No rapid methodology has been available to determine them together. A solid phase extraction concentrated these groups and a ternary reverse phase HPLC gradient completely resolved them from other juice components. Two coumarins, isomeranzin and osthole, were identified in a sweet orange (C...
January 15, 2019: Food Chemistry
Fei Yao, Lurong Zhang, Guorong Jiang, Min Liu, Guoqiang Liang, Qin Yuan
Osthole has been demonstrated to have antitumor activity. Previous studies by our group indicated that osthole effectively inhibited tumor growth in hepatocellular carcinoma (HCC) through the induction of apoptosis and enhancement of antitumor immune responses in mice. The importance of angiogenesis in the proliferation, invasion and metastasis of tumor cells in HCC is well established. The present study aimed to investigate the effects of osthole on angiogenesis in an orthotopic mouse model of HCC. Orthotopic HCC in mice was established, and osthole at 61, 122 and 244 mg/kg was administered intraperitoneally once daily to the tumor-bearing mice for 14 consecutive days...
October 2018: Oncology Letters
Huilong Yuan, Shuai Ouyang, Runan Yang, Shunhua Li, Yingxin Gong, Lifang Zou, Tianyu Jia, Shanhong Zhao, Bing Wu, Zhihua Yi, Hui Liu, Liran Shi, Lin Li, Yun Gao, Guilin Li, Hong Xu, Shuangmei Liu, Chunping Zhang, Shangdong Liang
Diabetes mellitus (DM) is considered the primary cause of neuropathic pain. Osthole (7-methoxy-8[3-methylpent 2-enyl]coumarin) is a component extracted from Cnidium monnieri (L.) cusson plant seeds and has anti-inflammatory and anti-oxidative properties. The aim of the present study was to investigate the effects of osthole on diabetic neuropathic pain (DNP) involving the P2X4 receptor on satellite glial cells (SGCs) in the dorsal root ganglia (DRG) of type 2 diabetic rats. These data showed that the mechanical withdrawal threshold (MWT) and thermal withdrawal latency (TWL) in DM rats were lower than those in control rats...
September 2018: Brain Research Bulletin
You-Jiang Yu, Ji-Lin Ye, Jian-Ming Peng, Ai-Lian Wu, Dong-Yan Wang, Yan-Qing Liu
OBJECTIVE: To explore the effects of Osthole on apoptosis of HL-60 cells induced by tumor necrosis factor related apoptosis inducing ligand (TRAIL) and its possible mechanism. METHODS: The proliferative inhibition of HL-60 cells treated with different concentrations of Osthole, TRAIL alone and Osthole combined with TRAIL was measured by MTT assay. The HL-60 cells were treated with Osthole, TRAIL alone and Osthole combined with TRAIL at the concentration<IC50 value, i...
August 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
Xiao-Ying Sun, Li-Lan Sun, Hang Qi, Qin Gao, Gong-Xin Wang, Ning-Ning Wei, KeWei Wang
Coumarin osthole is a dominant bioactive ingredient of the natural Cnidium monnieri plant commonly used for traditional Chinese herbal medicines for therapies and treatments including antipruritus and antidermatitis. However, the molecular mechanism underlying the action of osthole remains unclear. In this study, we report that osthole exerts an antipruritic effect through selective inhibition of Ca2+ -permeable and thermosensitive transient receptor potential vanilloid 3 (TRPV3) cation channels that are primarily expressed in the keratinocytes of the skin...
October 2018: Molecular Pharmacology
Botao Wang, Xin Zheng, Jing Liu, Zhen Zhang, Chongyang Qiu, Lei Yang, Lanqiu Zhang, Qi Zhang, Hongwei Gao, Ximo Wang
Pancreatic cancer has remained a major cause of cancer-related deaths. A hallmark of pancreatic cancer is extensive stromal reactions, resulting in a unique tumor microenvironment, especially the involvement of macrophages. These tumor-educated cells limit the efficacy of chemotherapy. Therefore, it is necessary to identify an effective treatment strategy. In this study, we aimed to explore the anti-tumor and immunomodulatory effects of osthole on pancreatic cancer. We found that osthole suppressed Panc 02 cell migration and proliferation and induced apoptosis as shown in vitro...
July 2018: Journal of Pharmacological Sciences
Yiyi Jin, Jianchang Qian, Xin Ju, Xiaodong Bao, Li Li, Suqing Zheng, Xiong Chen, Zhongxiang Xiao, Xuemei Chen, Weiwei Zhu, Weixin Li, Wencan Wu, Guang Liang
Inflammation is a key factor in the pathogenesis of ALI. Therefore, suppression of inflammatory response could be a potential strategy to treat LPS-induced lung injury. Osthole, a natural coumarin extract, has been reported to protect against acute kidney injury through an anti-inflammatory mechanism, but its effect on ALI is poorly understood. In this study, we investigated whether osthole ameliorates inflammatory sepsis-related ALI. Results from in vitro studies indicated that osthole treatment inhibited the LPS-induced inflammatory response in mouse peritoneal macrophages through blocking the nuclear translocation of NF- κ B...
2018: Mediators of Inflammation
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"