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cordycepin

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https://www.readbyqxmd.com/read/28409381/dash-type-cryptochromes-regulate-fruiting-body-development-and-secondary-metabolism-differently-than-cmwc-1-in-the-fungus-cordyceps-militaris
#1
Fen Wang, Xinhua Song, Xiaoming Dong, Jiaojiao Zhang, Caihong Dong
Cryptochromes (CRYs) belong to the photolyase/cryptochrome flavoprotein family, which is widely distributed in all kingdoms. A phylogenetic analysis indicated that three Cordyceps militaris proteins [i.e., cryptochrome DASH (CmCRY-DASH), (6-4) photolyase, and cyclobutane pyrimidine dimer (CPD) class I photolyase] belong to separate fungal photolyase/cryptochrome subfamilies. CmCRY-DASH consists of DNA photolyase and flavin adenine dinucleotide-binding domains, with RGG repeats in a C-terminal extension. Considerably, more carotenoids and cordycepin accumulated in the ΔCmcry-DASH strain than in the wild-type or ΔCmwc-1 strains, indicating an inhibitory role for CmCRY-DASH in these biosynthetic pathways...
April 13, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28406456/metronomic-cordycepin-therapy-prolongs-survival-of-oral-cancer-bearing-mice-and-inhibits-epithelial-mesenchymal-transition
#2
Nai-Wen Su, Shu-Hua Wu, Chih-Wen Chi, Chung-Ji Liu, Tung-Hu Tsai, Yu-Jen Chen
Cordycepin (3'-deoxyadenosine) is a natural compound abundantly found in Cordyceps sinesis in natural and fermented sources. In this study, we examined the effects of cordycepin in a human oral squamous cell carcinoma (OSCC) xenograft model. Cordycepin was administered in a regular, low-dose and prolonged schedule metronomic therapy. Two doses of cordycepin (25 mg/kg, 50 mg/kg) were administrated five days a week for eight consecutive weeks. The tumor volumes were reduced and survival time was significantly prolonged from 30...
April 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28402715/protective-effect-of-cordycepin-on-experimental-testicular-ischemia-reperfusion-injury-in-rats
#3
Mehmet Hanifi Okur, Serkan Arslan, Bahattin Aydogdu, Hikmet Zeytun, Erol Basuguy, Mehmet Serif Arslan, Ibrahim Ibiloglu, Ibrahim Kaplan
OBJECTIVE: To investigate the role of cordycepin in testicular ischemia/reperfusion injury in rats. MATERIALS AND METHODS: Forty Wistar albino rats were randomly divided into four groups, as follows: group one, control (C); group two, torsion and ischemia (I); group three: detorsion with ischemia-reperfusion (IR); and group four, detorsion/cordycepin. The rats were then analyzed macromorphologically and histopathologically, and blood tests were performed. Specifically, the total oxidant status (TOS) and total antioxidant status (TAS) were determined, and malondialdehyde (MDA), tumor necrosis factor (TNF)-α, interleukin (IL)-6, and IL-1β levels were analyzed...
April 12, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28401330/cordycepin-confers-neuroprotection-in-mice-models-of-intracerebral-hemorrhage-via-suppressing-nlrp3-inflammasome-activation
#4
Yijun Cheng, Yongxu Wei, Wenlei Yang, Yaying Song, Hanbing Shang, Yu Cai, Zhebao Wu, Weiguo Zhao
Neuroinflammation has been recognized as a major contributor to brain injury caused by intracerebral hemorrhage (ICH). Nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome acts as an important mediator of inflammatory response in various inflammation-related diseases including hemorrhagic insults. Cordycepin has recently been shown to possess anti-inflammatory effect; however, its role and the possible underlying mechanisms in ICH remain unclear. This study was designed to investigate the neuroprotective effect of cordycepin in mice models of ICH and to elucidate the underlying molecular mechanisms...
April 11, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28401001/cordycepin-induces-human-lung-cancer-cell-apoptosis-by-inhibiting-nitric-oxide-mediated-erk-slug-signaling-pathway
#5
Jung Hoo Hwang, Soo Jung Park, Won Gyu Ko, Seong-Mun Kang, Da Bin Lee, Junho Bang, Byung-Joo Park, Chung-Beum Wee, Dae Joon Kim, Ik-Soon Jang, Jae-Hong Ko
Nitric oxide (NO) is an important signaling molecule and a component of the inflammatory cascade. Besides, it is also involved in tumorigenesis. Aberrant upregulation and activation of the ERK cascade by NO often leads to tumor cell development. However, the role of ERK inactivation induced by the negative regulation of NO during apoptosis is not completely understood. In this study, treatment of A549 and PC9 human lung adenocarcinoma cell lines with cordycepin led to a reduction in their viability. Analysis of the effect of cordycepin treatment on ERK/Slug signaling activity in the A549 cell line revealed that LPS-induced inflammatory microenvironments could stimulate the expression of TNF-α, CCL5, IL-1β, IL-6, IL-8 and upregulate NO, phospho-ERK (p-ERK), and Slug expression...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28363523/cordycepin-enriched-wib-801c-from-cordyceps-militaris-improves-functional-recovery-by-attenuating-blood-spinal-cord-barrier-disruption-after-spinal-cord-injury
#6
Jee Youn Lee, Hye Young Choi, Hyung Hwan Baik, Bong G Ju, Won-Ki Kim, Tae Young Yune
ETHNOPHARMACOLOGICAL RELEVANCE: Cordyceps militaris is an ingredient of traditional Chinese medicine and have been widely used for inflammatory diseases and cancer. Cordycepin is one of the major bioactive components of Cordyceps militaris, and has been known to have anti-inflammatory and anti-oxidant effects. AIM OF THIS STUDY: In the present study, we examined whether WIB-801C, a standardized and cordycepin-enriched extract of caterpillar fungus (Cordyceps militaris), would attenuate blood-spinal cord barrier (BSCB) disruption by inhibiting matrix metalloprotease (MMP)-9 activity, leading to improvement of functional outcomes after spinal cord injury (SCI)...
March 28, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28351780/cordycepin-negatively-modulates-lipopolysaccharide-induced-cytokine-production-by-up-regulation-of-heme-oxygenase-1
#7
Rui Qing, Zezhi Huang, Yufei Tang, Qingke Xiang, Fan Yang
AIMS: The present study is to investigate the effect of cordycepin on the expression of heme oxygenase-1 (HO-1) in lipopolysaccharide (LPS)-activated microphages, as well as its mechanism of action. METHODS: Mouse RAW264.7 cells were treated with different concentrations of cordycepin for 0-16h. Western blotting was used to determine the expression of HO-1 and the phosphorylation of c-Src and the p47(phox) subunit of NADPH oxidase. Intracellular reactive oxygen species (ROS) level was determined using H2DCFDA as fluorescent probe...
March 25, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28322150/a-novel-technique-for-rejuvenation-of-degenerated-caterpillar-medicinal-mushroom-cordyceps-militaris-ascomycetes-a-valued-traditional-chinese-medicine
#8
Anhui Chen, Yulong Wang, Ying Shao, Bo Huang
Cordyceps militaris has been used in traditional Chinese medicine for many years, but its frequent degeneration during continuous maintenance in culture can lead to substantial commercial losses. In this study, a degenerated strain of C. militaris was obtained by subculturing a wild-type strain through 10 successive subcultures. The relative abundance of the 2 mating types seems to be out of balance in the degenerated strain. By cross-mating 4 single-ascospore isolates (2 for MAT 1-1 and 2 for MAT 1-2) from the degenerated strain, we were able to restore fruiting body production to wild-type levels...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28317886/systems-pharmacology-based-strategy-to-screen-new-adjuvant-for-hepatitis-b-vaccine-from-traditional-chinese-medicine-ophiocordyceps-sinensis
#9
Jingbo Wang, Rui Liu, Baoxiu Liu, Yan Yang, Jun Xie, Naishuo Zhu
Adjuvants are common component for many vaccines but there are still few licensed for human use due to low efficiency or side effects. The present work adopted Systems Pharmacology analysis as a new strategy to screen adjuvants from traditional Chinese medicine. Ophiocordyceps sinensis has been used for many years in China and other Asian countries with many biological properties, but the pharmacological mechanism has not been fully elucidated. First in this study, 190 putative targets for 17 active compounds in Ophiocordyceps sinensis were retrieved and a systems pharmacology-based approach was applied to provide new insights into the pharmacological actions of the drug...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303227/analysis-of-cordyceps-by-multi-column-liquid-chromatography
#10
Zhengming Qian, Shaoping Li
Cordyceps is a famous traditional Chinese medicine (TCM) that has been used in China for hundreds of years. In the present study a multi-column liquid chromatography (MC-LC) system was developed for the qualitative analysis of macromolecules and micromolecules in Cordyceps. The MC-LC system includes a size exclusion pre-column, a size exclusion column (SEC) and a reversed phase column (RP) which were controlled by column-switching valves. The sample was separated by the size exclusion pre-column into two fractions (macromolecules and micromolecules)...
March 2017: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/28266575/cordycepin-disrupts-leukemia-association-with-mesenchymal-stromal-cells-and-eliminates-leukemia-stem-cell-activity
#11
Shu-Man Liang, Yi-Jhu Lu, Bor-Sheng Ko, Yee-Jee Jan, Song-Kun Shyue, Shaw-Fang Yet, Jun-Yang Liou
Maintaining stemness of leukemic stem cells (LSCs) and reciprocal interactions between leukemia and stromal cells support leukemic progression and resistance to chemotherapy. Targeting the niche-based microenvironment is thus a new approach for leukemia therapy. Cordycepin is an analogue of adenosine and has been suggested to possess anti-leukemia properties. However, whether cordycepin influences association of leukemia and mesenchymal stromal cells has never been investigated. Here we show that cordycepin reduces CD34(+)CD38(-) cells in U937 and K562 cells and induces Dkk1 expression via autocrine and paracrine regulation in leukemia and mesenchymal stromal/stem cells (MSCs)...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28219709/cordycepin-diminishes-thymic-stromal-lymphopoietin-induced-interleukin-13-production
#12
Myoung-Schook Yoou, Kyoung Wan Yoon, Youngjin Choi, Hyung-Min Kim, Hyun-Ja Jeong
Atopic dermatitis (AD) is known to aggravate by thymic stromal lymphopoietin (TSLP) and TSLP is also known to up-regulate mast cell proliferation via production of interleukin (IL)-13. Thus, we investigated whether cordycepin could regulate mast cell proliferation induced by TSLP in human mast cell line, HMC-1 cell. Cordycepin significantly diminished the production and mRNA of IL-13 through the down-regulation of phosphorylated-signal transducer and activation of transcription 6 in the TSLP-stimulated HMC-1 cells...
February 20, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28197639/cordycepin-induces-apoptosis-in-sgc%C3%A2-7901-cells-through-mitochondrial-extrinsic-phosphorylation-of-pi3k-akt-by-generating-ros
#13
Moussa Ide Nasser, Muqaddas Masood, Wei Wei, Xiaochun Li, Yifa Zhou, Bao Liu, Jiang Li, Xiaomeng Li
Medicinal plants are affluent sources of several effectual natural drugs. Among them cordycepin which is extracted from Cordyceps militaris is a hopeful chemotherapy agent due to its extensive anti-inflammatory, anti-proliferative, antioxidant, and antitumor characteristics. This study investigated the efficacy of cordycepin in the context of human gastric cancer SGC‑7901 and searched for the cell death procedure. Cordycepin incorporates mitochondrial-mediated apoptosis in SGC‑7901 cells with the help of regulating mitochondrial extrinsic pathways by inhibition of A3AR and drive activation of DR3, which promote the activation of PI3K/Akt protein expression as well as collapse of mitochondrial membrane potential (MMP)...
March 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28119235/cordycepin-inhibits-airway-remodeling-in-a-rat-model-of-chronic-asthma
#14
Xia Fei, Xue Zhang, Guo-Qing Zhang, Wu-Ping Bao, Ying-Ying Zhang, Min Zhang, Xin Zhou
The potential suppression role of cordycepin (Cor) on airway remodeling in a rat model of chronic asthma was investigated in this paper. We evaluated the anti-remodeling of Cor (50mg/kg) combined with or without budesonide (BUD) and investigated the possible underlying molecular mechanisms. We found that Cor attenuated immunoglobulin (Ig) E, alleviated the airway wall thickness, and decreased eosinophils and neutrophils in the bronchoalveolar lavage fluid (BALF). Notably, Cor reduced the up-regulation of IL-5, IL-13 and TNF-α in the BALF...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28099944/cordycepin-induces-apoptosis-by-caveolin-1-mediated-jnk-regulation-of-foxo3a-in-human-lung-adenocarcinoma
#15
Jong Cheon Joo, Jung Hoo Hwang, Eunbi Jo, Young-Rang Kim, Dae Joon Kim, Kyung-Bok Lee, Soo Jung Park, Ik-Soon Jang
Forkhead transcription factor (Foxo3a) is a downstream effector of JNK-induced tumor suppression. However, it is not clear whether the caveolin-1 (CAV1)-mediated JNK/Foxo3a pathway is involved in cancer cell apoptosis. We found that cordycepin upregulates CAV1 expression, which was accompanied by JNK phosphorylation (p-JNK) and subsequent Foxo3a translocation into the nucleus, resulting in the upregulation of Bax protein expression. Furthermore, we found that CAV1 overexpression upregulated p-JNK, whereas CAV1 siRNA downregulated p-JNK...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28074332/functional-analysis-of-ribonucleotide-reductase-from-cordyceps-militaris-expressed-in-escherichia-coli
#16
Tatsuya Kato, Suparmin Ahmad, Enoch Y Park
Cordyceps militaris produces cordycepin (3'-deoxyadenosine), which has various activities, including anti-oxidant, anti-tumoral, anti-viral, and anti-inflammatory. Ribonucleotide reductase (RNR) seems to be a candidate to produce cordycepin in C. militaris because RNR catalyzes the reduction of nucleotides to 2'-deoxynucleotides, whose structures are similar to that of cordycepin. However, the role of RNR has not been confirmed yet. In this study, complementary DNAs (cDNAs) of C. militaris RNR (CmRNR) large and small subunits (CmR1 and CmR2) were cloned from C...
January 10, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28068557/cordycepin-inhibits-migration-of-human-glioblastoma-cells-by-affecting-lysosomal-degradation-and-protein-phosphatase-activation
#17
Dueng-Yuan Hueng, Ching-Hsuan Hsieh, Yu-Chen Cheng, Wen-Chiuan Tsai, Ying Chen
Cordycepin, a nucleoside-derivative-isolated form Cordyceps militaris, has been reported to suppress tumor cell proliferation and cause apoptosis. This study investigates the effect of cordycepin on the migration of human glioblastoma cells. Cordycepin suppressed the migration of the human glioblastoma cell lines U87MG and LN229 in transwell and wound healing assays. Cordycepin decreased protein expression of integrin α1, focal adhesion kinase (FAK), p-FAK, paxillin and p-paxillin. The lysosomal inhibitor NH4Cl blocked the ability of cordycepin to inhibit focal adhesion protein expression and glioma cell migration...
December 29, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28035061/cordycepin-induces-autophagy-mediated-c-flipl-degradation-and-leads-to-apoptosis-in-human-non-small-cell-lung-cancer-cells
#18
Xinghui Yu, Jianya Ling, Xianfang Liu, Sen Guo, Yidan Lin, Xiangguo Liu, Ling Su
Cordycepin, a main active composition extracted from Cordyceps militaris, has been reported to exert anti-tumor activity in a broad spectrum of cancer types. However, the function of cordycepin on human non-small cell lung cancer cells is still obscure. Our present work showed that cordycepin inhibited cell growth by inducing apoptosis and autophagy in human NSCLC cells. Further study revealed that cordycepin triggered extrinsic apoptosis associated with down-regulation of c-FLIPL which suppresses the activity of caspase-8...
January 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/27988284/anti-effects-of-cordycepin-to-hypoxia-induced-membrane-depolarization-on-hippocampal-ca1-pyramidal-neuron
#19
Chong Chen, Xin-Ping Liu, Wei Jiang, Bin Zeng, Wei Meng, Li-Ping Huang, Yu-Ping Li, Wei Sun, Chun-Hua Yuan, Li-Hua Yao
Cordycepin has important neuroprotective effects in hypoxic or ischemic insult. However, the direct electrophysiological evidence of cordycepin's neuroprotection from hypoxic or ischemic insult remains unknown. Hence, in this study, the electrophysiological mechanism by which cordycepin protects against ischemic and hypoxic damages has been studied using an energy-deprivation injury model through whole-cell patch clamp techniques. Results revealed that cordycepin (80µM) significantly delayed hypoxia-induced membrane depolarization, including cordycepin reduced slope, and extended the duration of slow depolarization, prolonged the ability to generate spontaneous action potential (AP) firing, delayed the onset of rapid depolarization, and maintained the more hyperpolarized membrane potential after rapid depolarization...
December 15, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27966445/antimetastatic-effects-of-cordycepin-mediated-by-the-inhibition-of-mitochondrial-activity-and-estrogen-related-receptor-%C3%AE-in-human-ovarian-carcinoma-cells
#20
Chia-Woei Wang, Wei-Hsuan Hsu, Chen-Jei Tai
Cordycepin (3'-deoxyadenosine) is a compound for antitumor, which has been found to exert antiangiogenic, antimetastatic, and antiproliferative effects, as well as inducing apoptosis. However, the association between cancer metastasis and mitochondrial activity in cordycepin-treated ovarian carcinoma cells remains unclear. The 50 and 100 μM of cordycepin inhibits mitochondrial fusion and induces mitochondrial fission, respectively. These suggested that cordycepin showed the down-regulation of mitochondrial function and limitation of energy production...
January 10, 2017: Oncotarget
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