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https://www.readbyqxmd.com/read/28945037/-purification-and-cytotoxicity-of-glycoprotein-isolated-from-dendrobium-huoshanense
#1
Hui Deng, Nai-Dong Chen, Jun Dai, Nai-Fu Chen
Dendrobium huoshanense is a rare traditional Chinese medicinal herb, and the anti-tumor activity of its polysaccharides is a research hotspot in traditional Chinese medicine resources domain. This study aims to explore the material basis for the anti-tumor activity of polysaccharide. D. huoshanense was used as raw material in the experiment, and the different protein components were obtained through low salt solution extraction and ammonium sulfate fractional precipitation. Then glycoprotein components were determined by SDS-PAGE electrophoresis staining, and were further isolated and purified by DEAE ion column and Sephadex gel column...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28945020/-a-phytochemical-and-pharmacological-advance-on-ilex-asprella
#2
REVIEW
Bing-Zhao Du, Xin-Yao Yang, Xiao Feng, Xu Yin, He-Xin-Ge Zhang, Feng Zhao, Zeng-Ping Gao, Peng-Fei Tu, Xing-Yun Chai
Ilex asprella is one of representative medicinal plants in South of the Five Ridges of China. The roots and rhizomes of I. asprella have the effects of clearing heat and detoxifying, stimulating salvia, and reducing thirst, which has been used to treat wind-heat cold, acute and chronic pharyngitis, and sore throat. Contemporary studies showed that I. asprella contains the major triterpenoids and glycosides, phenolic acids, and minor steroids. The extracts and compounds show activities of anti-inflammatory, antiviral, anti-tumor, and regulating lipid metabolism...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28944930/protective-effect-of-catalpol-on-nicotine%C3%A2-induced-injury-of-alveolar-bone-and-associated-underlying-mechanisms
#3
Yanwu Li, Xingai Jin, Limin Mao
Smoking is an important factor that causes periodontitis, which manifests as alveolar bone injury and absorption, and has a high incidence and unfavorable treatment efficacy. Nicotine causes ischemia and inflammation of the periodontium and inhibits the mineralization of alveolar bones. Previous studies have revealed the anti‑tumor biological activities of catalpol, in addition to neuroprotection and anti‑inflammation. The present study therefore investigated the underlying protective mechanism of catalpol in alveolar bone injury...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944915/neuroprotective-effect-of-total-flavonoids-from-ilex-pubescens-against-focal-cerebral-ischemia-reperfusion-injury-in-rats
#4
Xiaoyan Fang, Yujie Li, Jingyi Qiao, Ying Guo, Mingsan Miao
Ilex pubescens is commonly used in traditional Chinese medicine to treat cardiovascular and cerebrovascular diseases, such as coronary artery disease and stroke. However, the underlying mechanisms remain to be fully elucidated. The aim of the present study was to investigate the effects of Ilex pubescens total flavonoids (IPTF) on neuroprotection and the potential mechanisms in a rat model of focal cerebral ischemia/reperfusion (I/R) injury. Rats were pretreated with intragastric administration of IPTF at doses of 200 and 100 mg/kg for 5 days; middle cerebral artery occlusion surgery was then performed to induce cerebral I/R injury...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944911/microrna%C3%A2-3666-inhibits-breast-cancer-cell-proliferation-by-targeting-sirtuin-7
#5
Di Li, Lifei Li
The abnormal expression of microRNAs (miRNAs) is associated with cancer initiation and progression. miRNAs functioning as oncogenes or tumor suppressors represent novel biomarkers for cancer diagnosis, prognosis, and serve as therapeutic tools. MiR‑3666 has been reported as a tumor suppressor in various types of cancer; however, its role in breast cancer remains unknown. In the current study, the aim was to investigate the potential role of miR‑3666 in breast cancer. It was identified that miR‑3666 was decreased in breast cancer cell lines and that the overexpression of miR‑3666 inhibited breast cancer cell proliferation...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944904/triptolide-inhibits-proliferation-differentiation-and-induces-apoptosis-of-osteoblastic-mc3t3%C3%A2-e1-cells
#6
Wei Ji, Shijia Liu, Xia Zhao, Yunke Guo, Sha Xia, Yueyang Lu, Menyun Yin, Xiao Xu
Ankylosing spondylitis (AS) is characterized by the formation of bony spurs. Treatment of the resulting ankylosis, excessive bone formation and associated functional impairment, remain the primary therapeutic aims in research regarding this condition. Triptolide is the primary active component of the perennial vine Tripterygium wilfordii Hook. f., and has previously been demonstrated to exert anti‑tumor activities including inhibition of cell growth and the induction of apoptosis, however, the effect of triptolide on osteoblasts remains to be elucidated...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944895/comparison-of-morphology-phenotypes-and-function-between-cultured-human-il%C3%A2-4%C3%A2-dc-and-ifn%C3%A2-dc
#7
Zhiliang Jin, Jing Fan, Yajuan Zhang, Yongxiang Yi, Lili Wang, Dandan Yin, Tao Deng, Wei Ye
Dendritic cells (DCs) as professional antigen presenting cells, are important in the initiation of the primary immune response. The present study compared the morphology, phenotypes and function between monocyte‑derived human DCs produced from a conventional culturing system containing granulocyte‑macrophage colony‑stimulating factor (GM‑CSF) and IL‑4 (IL‑4‑DC) and DCs generated by the stimulation of GM‑CSF and interferon (IFN)‑α (IFN‑DC). When compared with IL‑4‑DC in morphology, IFN‑DC contained more organelles, including endoplasmic reticulum and myelin figures, whereas mature (m)IL‑4‑DC contained more vacuoles in the cells...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944889/beneficial-effects-of-extracts-from-lucilia%C3%A2-sericata-maggots-on-burn-wounds-in-rats
#8
Haixu Bian, Qiaoli Yang, Tao Ma, Wei Li, Jialin Duan, Guo Wei, Xiaoxiao Wu, Fei Mu, Rui Lin, Aidong Wen, Miaomiao Xi
Lucilia sericata maggots have beneficial properties; however, their protective effects on burn wounds have yet to be fully elucidated. In the present study, a deep second‑degree burn rat model was used to investigate the burn wound healing properties of aqueous extract of maggots (MAE). The anti‑inflammatory, antioxidative and antibacterial activities were examined. In addition, the protein expression levels of Akt, vascular endothelial growth factor A (VEGFA) and nuclear factor‑κB (NF‑κB) were detected by western blotting...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944846/hedyotis-diffusa-willd-suppresses-metastasis-in-5%C3%A2-fluorouracil%C3%A2-resistant-colorectal-cancer-cells-by-regulating-the-tgf%C3%A2-%C3%AE-signaling-pathway
#9
Zijun Lai, Zhaokun Yan, Wujin Chen, Jun Peng, Jianyu Feng, Qiongyu Li, Yiyi Jin, Jiumao Lin
Colorectal cancer (CRC) is one of the most common malignant tumors of the digestive tract, and threatens the survival and health of patients with CRC. Chemotherapy remains one of the main therapeutic approaches for patients with CRC; however, drug resistance limits the long‑term use. CRC cells with multi‑drug resistance (MDR) exhibit increased survival times and metastatic potential, which may lead to the recurrence and metastasis of CRC. In addition, MDR is one of the major causes of chemotherapy failure in clinical treatment...
September 18, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944828/protective-effects-of-gv1001-on-myocardial-ischemia%C3%A2-reperfusion-injury
#10
Ji-Eun Chang, Hyun Jun Kim, Sanghoon Jheon, Cheong Lim
The potential cardioprotective effects of the novel vaccine peptide GV1001 were evaluated in myocardial ischemia‑reperfusion injury induced rat models. GV1001 is a human telomerase reverse transcriptase derived peptide, which has been reported to possess both anti‑tumor and anti‑inflammatory effects. The normal saline (control group) and various concentrations (0.001‑10 mg/kg) of GV1001 were administered directly to the right ventricle anterior wall before induction of ischemia. The was induced by Tightening the snare around the left anterior descending coronary artery for 40 min, before releasing the snare for 10 min induced the myocardial ischemia‑reperfusion injury and was conducted in Sprague‑Dawley rats...
September 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944654/ovarian-cancer-therapy-by-vsvmp-gene-mediated-by-a-paclitaxel-enhanced-nanoparticle
#11
Jianlin Long, Yuping Yang, Tianyi Kang, Wei Zhao, Hao Cheng, Yujiao Wu, Ting Du, Beibei Liu, Yang Li, Feng Luo, Maling Gou
Nanoparticles have great promise for gene delivery. However, the transfection efficiency of nanoparticle-based gene delivery systems is always unsatisfied to meet the requirement of effective gene therapy. Herein, we used low dosage paclitaxel to enhance a nanoscaled gene delivery system that was self-assembled from DOTAP and MPEG-PLA(DPP), creating a paclitaxel-encapsulated DPP nanoparticle (P-DPP). The encapsulated low-dosage paclitaxel significantly improved the gene delivery efficiency of the DPP nanoparticles against multiple cancer cells, in some of which the transfection efficiency is as high as 92%...
September 25, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28944502/immune-reconstitution-inflammatory-syndrome-in-non-hiv-immunosuppressed-patients
#12
REVIEW
Hirohiko Sueki, Yoshiko Mizukawa, Yumi Aoyama
Immune reconstitution inflammatory syndrome (IRIS) represents a clinical phenomenon of immune-mediated inflammation against various antigens, including pathogenic microorganisms, drugs and unknown autoantigens, during recovery from immunosuppressed conditions. IRIS has become well recognized in HIV-infected populations. However, IRIS has seldom been recognized in HIV-negative immunocompromised patients. In the last 15 years, the immunopathogenesis of drug-induced hypersensitivity syndrome (DIHS) has been largely determined...
September 25, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28944496/the-unidirectional-hypoxia-activated-prodrug-oct1002-inhibits-growth-and-vascular-development-in-castrate-resistant-prostate-tumors
#13
Heather Nesbitt, Jenny Worthington, Rachel J Errington, Laurence H Patterson, Paul J Smith, Stephanie R McKeown, Declan J McKenna
BACKGROUND: OCT1002 is a unidirectional hypoxia-activated prodrug (uHAP) OCT1002 that can target hypoxic tumor cells. Hypoxia is a common feature in prostate tumors and is known to drive disease progression and metastasis. It is, therefore, a rational therapeutic strategy to directly target hypoxic tumor cells in an attempt to improve treatment for this disease. Here we tested OCT1002 alone and in combination with standard-of-care agents in hypoxic models of castrate-resistant prostate cancer (CRPC)...
September 24, 2017: Prostate
https://www.readbyqxmd.com/read/28944452/nano-pulse-stimulation-induces-potent-immune-responses-eradicating-local-breast-cancer-while-reducing-distant-metastases
#14
Siqi Guo, Yu Jing, Niculina I Burcus, Brittany P Lassiter, Royena Tanaz, Richard Heller, Stephen J Beebe
Nano-Pulse Stimulation (NPS) as a developing technology has been studied for minimally invasive, non-thermal local cancer elimination for more than a decade. Here we show that a single NPS treatment results in complete regression of the poorly immunogenic, metastatic 4T1-Luc mouse mammary carcinoma. Impressively, spontaneous distant organ metastases were largely prevented, even in those animals with incomplete tumor regression. All tumor-free mice were protected from secondary tumor cell challenge, demonstrating a vaccine-like effect...
September 25, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28944214/oncolytic-viruses-interaction-of-virus-and-tumor-cells-in-the-battle-to-eliminate-cancer
#15
REVIEW
Anwen Howells, Giulia Marelli, Nicholas R Lemoine, Yaohe Wang
Oncolytic viruses (OVs) are an emerging treatment option for many cancer types and have recently been the focus of extensive research aiming to develop their therapeutic potential. The ultimate aim is to design a virus which can effectively replicate within the host, specifically target and lyse tumor cells and induce robust, long lasting tumor-specific immunity. There are a number of viruses which are either naturally tumor-selective or can be modified to specifically target and eliminate tumor cells. This means they are able to infect only tumor cells and healthy tissue remains unharmed...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28944162/an-update-on-treatment-of-pediatric-chronic-non-infectious-uveitis
#16
Arjun B Sood, Sheila T Angeles-Han
There are no standardized treatment protocols for pediatric non-infectious uveitis. Topical corticosteroids are the typical first-line agent, although systemic corticosteroids are used in intermediate, posterior and panuveitic uveitis. Corticosteroids are not considered to be long-term therapy due to potential ocular and systemic side effects. In children with severe and/or refractory uveitis, timely management with higher dose disease-modifying antirheumatic drugs (DMARDs) and biologic agents is important...
March 2017: Current Treatment Options in Rheumatology
https://www.readbyqxmd.com/read/28944088/loss-of-the-vitamin-d-receptor-in-human-breast-and-prostate-cancers-strongly-induces-cell-apoptosis-through-downregulation-of-wnt-%C3%AE-catenin-signaling
#17
Yu Zheng, Trupti Trivedi, Ruby Cy Lin, Colette Fong-Yee, Rick Nolte, Jeline Manibo, Yunzhao Chen, Musharraf Hossain, Konstantin Horas, Colin Dunstan, Hong Zhou, Markus J Seibel
Vitamin D co-regulates cell proliferation, differentiation and apoptosis in numerous tissues, including cancers. The known anti-proliferative and pro-apoptotic actions of the active metabolite of vitamin D, 1,25-dihydroxy-vitamin D [1,25(OH)2D] are mediated through binding to the vitamin D receptor (VDR). Here, we report on the unexpected finding that stable knockdown of VDR expression in the human breast and prostate cancer cell lines, MDA-MB-231 and PC3, strongly induces cell apoptosis and inhibits cell proliferation in vitro...
2017: Bone Research
https://www.readbyqxmd.com/read/28944066/immune-mediated-cerebellar-ataxias-from-bench-to-bedside
#18
REVIEW
Hiroshi Mitoma, Mario Manto, Christiane S Hampe
The cerebellum is a vulnerable target of autoimmunity in the CNS. The category of immune-mediated cerebellar ataxias (IMCAs) was recently established, and includes in particular paraneoplastic cerebellar degenerations (PCDs), gluten ataxia (GA) and anti-GAD65 antibody (Ab) associated-CA, all characterized by the presence of autoantibodies. The significance of onconeuronal autoantibodies remains uncertain in some cases. The pathogenic role of anti-GAD65Ab has been established both in vitro and in vivo, but a consensus has not been reached yet...
2017: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/28943911/microplate-magnetic-chemiluminescence-immunoassay-for-detecting-urinary-survivin-in-bladder-cancer
#19
Yanli Chang, Jianjun Xu, Qingyun Zhang
Survivin is a tumor marker for bladder cancer; however the role of urinary survivin levels has not been fully elucidated due to the limitations of current detection methods. Based on two survivin-specific monoclonal antibodies (McAbs) already confirmed through enzyme linked immunosorbent assays, the present study aimed to establish a microplate magnetic chemiluminescence immunoassay (CLIA) for the detection of urinary survivin levels and evaluate its application for the diagnosis of patients with bladder cancer...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943195/diels-alder-mediated-release-of-gemcitabine-from-hybrid-nanoparticles-for-enhanced-pancreatic-cancer-therapy
#20
Adeolu Oluwasanmi, Wejdan Al-Shakarchi, Ayesha Manzur, Mohammed H Aldebasi, Rayan S Elsini, Malek K Albusair, Katherine J Haxton, Anthony D M Curtis, Clare Hoskins
Hybrid nanoparticles (HNPs) have shown huge potential as drug delivery vehicles for pancreatic cancer. Currently, the first line treatment, gemcitabine, is only effective in 23.8% of patients. To improve this, a thermally activated system was developed by introducing a linker between HNPs and gemcitabine. Whereby, heat generation resulting from laser irradiation of the HNPs promoted linker breakdown resulting in prodrug liberation. In vitro evaluation in pancreatic adenocarcinoma cells, showed the prodrug was 4...
September 21, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
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