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https://www.readbyqxmd.com/read/29929034/craniotomy-for-a-large-and-aggressive-de-novo-cavernous-malformation-resection-in-the-basal-ganglia-region
#1
Zhiyong Yan, Shusheng Che, Yingbin Jiao, JianPeng Wang, Xingze Li, Chao Wang
Cerebral cavernous malformations (CCMs) are present in up to 0.5% of the general population. While CCMs have been considered congenital lesions, numerous reports have observed de novo formations in patients with the familial form of CCM and in patients after cranial radiotherapy. Outside of these circumstances, there is scant evidence as to the potential etiologies of CCM. We present a 48-year-old woman with a medical history of endometrial hyperplasia concomitant endometrial polyps demonstrating a large de novo CCM, which grew to a large size in a period of 20 months...
June 18, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29928786/antitumor-perspectives-of-oleuropein-and-its-metabolite-hydroxytyrosol-recent-updates
#2
REVIEW
Muhammad Imran, Muhammad Nadeem, Syed Amir Gilani, Shaista Khan, Muhammad Wasim Sajid, Rai Muhammad Amir
Olive fruit is a significant and promising source of potential bioactive compounds such as oleuropein and hydroxytyrosol. Oleuropein is the ester of elenolic acid and 3,4-dihydroxyphenyl ethanol (HT). It is the main glycoside in olives, the degradation of which results in the formation of hydroxytyrosol in olive oil. Both plays a significant role in the reduction of coronary heart diseases and a certain type of cancers. Both olive oil phenols have an effective role counter to cell proliferation, cell growth, migration, invasion, and angiogenesis...
June 21, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29928488/mechanisms-for-mtorc1-activation-and-synergistic-induction-of-apoptosis-by-ruxolitinib-and-bh3-mimetics-or-autophagy-inhibitors-in-jak2-v617f-expressing-leukemic-cells-including-newly-established-pvtl-2
#3
Shinya Ishida, Hiroki Akiyama, Yoshihiro Umezawa, Keigo Okada, Ayako Nogami, Gaku Oshikawa, Toshikage Nagao, Osamu Miura
The activated JAK2-V617F mutant is very frequently found in myeloproliferative neoplasms (MPNs), and its inhibitor ruxolitinib has been in clinical use, albeit with limited efficacies. Here, we examine the signaling mechanisms from JAK2-V617F and responses to ruxolitinib in JAK2-V617F-positive leukemic cell lines, including PVTL-2, newly established from a patient with post-MPN secondary acute myeloid leukemia, and the widely used model cell line HEL. We have found that ruxolitinib downregulated the mTORC1/S6K/4EBP1 pathway at least partly through inhibition of the STAT5/Pim-2 pathway with concomitant downregulation of c-Myc, MCL-1, and BCL-xL as well as induction of autophagy in these cells...
June 1, 2018: Oncotarget
https://www.readbyqxmd.com/read/29928412/tumor-necrosis-factor-related-apoptosis-inducing-ligand-additive-with-iodine-131-of-inhibits-non-small-cell-lung-cancer-cells-through-promoting-apoptosis
#4
Ning Yang, Shuzhan Yao, Dong Liu
Non-small-cell lung cancer (NSCLC) accounts for ~80% of human lung cancer cases and is the most common cause of cancer-associated mortality worldwide. Reports have indicated that tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and Iodine-131 (I-131) can induce tumor cell apoptosis. The purpose of the present study was to investigate the additive efficacy of TRAIL and I-131 on NSCLC cells. The present study demonstrated that additive treatment of TRAIL and I-131 (TRAIL-I-131) significantly inhibited the growth and aggressiveness of NSCLC cells compared with single TRAIL or I-131 treatment...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928398/hydrogen-rich-solution-attenuates-myocardial-injury-caused-by-cardiopulmonary-bypass-in-rats-via-the-janus-activated-kinase-2-signal-transducer-and-activator-of-transcription-3-signaling-pathway
#5
Keyan Chen, Yingjie Sun, Yugang Diao, Tiezheng Zhang, Wanwei Dong
The incidence of complications and mortality following open-heart surgery with cardiopulmonary bypass (CPB) is associated with the severity of the myocardial injury that occurs during surgery. Hydrogen-rich solution (HRS) may prevent antioxidant stress and inhibit apoptosis and inflammation. The present study was designed to investigate the effects of HRS on CPB-induced myocardial injury, and to investigate its potential regulation of the Janus-activated kinase 2/signal transducer and activator of transcription 3 (JAK2/STAT3) pathway...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928387/naringin-inhibits-ovarian-tumor-growth-by-promoting-apoptosis-an-in-vivo-study
#6
Liping Cai, Heli Wu, Chunhua Tu, Xiaochun Wen, Bei Zhou
The aim of the present study was to investigate the antitumor activities of naringin in ovarian cancer, and to assess the underlying mechanisms. Ovarian tumor cells were implanted into nude mice to produce ovarian tumors in vivo . The mice were divided into six groups: Control, low dose naringin [0.5 mg/kg, intraperitoneal (i.p.)], middle dose naringin (1 mg/kg, i.p.), high dose naringin (2 mg/kg, i.p.), positive control (cisplatin, 2 mg/kg, i.p.) and a combination of cisplatin and naringin (both 2 mg/kg). Following administration of naringin and/or cisplatin, the tumor size and weight were measured...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928364/53bp1-inhibits-the-migration-and-regulates-the-chemotherapy-resistance-of-ovarian-cancer-cells
#7
Shuhui Hong, Xiaoyan Li, Ying Zhao, Qifeng Yang, Beihua Kong
The major problems faced during the treatment of ovarian cancer are metastasis and the development of intrinsic or acquired drug resistance. The present study assessed whether tumor protein p53 binding protein 1 (53BP1) regulated migration and modulated chemotherapy resistance in SKOV3 cells and identified proteins associated with the molecular mechanisms underlying this coordinate regulation. SKOV3 cells were transfected using a 53BP1-expressing vector, which induced 53BP1 overexpression. The migration of the transfected cells was observed using a Transwell assay...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928358/resveratrol-suppresses-human-cervical-carcinoma-cell-proliferation-and-elevates-apoptosis-via-the-mitochondrial-and-p53-signaling-pathways
#8
Lin Li, Rong-Li Qiu, Yu Lin, Ying Cai, Yong Bian, Yan Fan, Xiao-Jun Gao
Numerous studies have demonstrated the apoptotic and anti-proliferative effects of resveratrol, a natural polyphenolic phytoalexin, on various cancer cell lines. However, the effects of resveratrol on the regulation of human cervical carcinoma, and the mechanisms underlying these effects, remain to be elucidated. In the present study, the potential mechanisms underlying the effects of resveratrol in HeLa cervical carcinoma cells were investigated. The results revealed that resveratrol inhibited proliferation and induced apoptosis in HeLa human cervical cancer cells in a dose-dependent and time-dependent manner...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928342/quercetin-induced-apoptosis-of-human-oral-cancer-sas-cells-through-mitochondria-and-endoplasmic-reticulum-mediated-signaling-pathways
#9
Yi-Shih Ma, Chien-Ning Yao, Hsin-Chung Liu, Fu-Shun Yu, Jen-Jyh Lin, Kung-Wen Lu, Ching-Lung Liao, Fu-Shin Chueh, Jing-Gung Chung
Oral cancer is a cause of cancer-associated mortality worldwide and the treatment of oral cancer includes radiation, surgery and chemotherapy. Quercetin is a component from natural plant products and it has been demonstrated that quercetin is able to induce cytotoxic effects through induction of cell apoptosis in a number of human cancer cell lines. However, there is no available information to demonstrate that quercetin is able to induce apoptosis in human oral cancer cells. In the present study, the effect of quercetin on the cell death via the induction of apoptosis in human oral cancer SAS cells was investigated using flow cytometry, Annexin V/propidium iodide (PI) double staining, western blotting and confocal laser microscopy examination, to test for cytotoxic effects at 6-48 h after treatment with quercetin...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928333/combined-treatment-with-acetazolamide-and-cisplatin-enhances-chemosensitivity-in-laryngeal-carcinoma-hep-2-cells
#10
Hong Gao, Hai Dong, Guijun Li, Hui Jin
The aim of the present study was to determine whether acetazolamide (Ace) treatment enhances the chemosensitivity of Hep-2 laryngeal cells to cisplatin (Cis). At the logarithmic growth phase, Hep-2 cells were treated with Ace, Cis or both, and cell viability was detected using an MTT assay. The degree of apoptosis was detected using flow cytometry. Expression levels of apoptosis-related proteins, including BCL2 apoptosis regulator (bcl-2), BCL2 associated X (bax) and caspase-3, and of proliferation-related proteins, including proliferating cell nuclear antigen (PCNA) and tumor protein p53 (P53), were detected using western blotting...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928330/inhibition-of-lysine-specific-demethylase-1-prevents-proliferation-and-mediates-cisplatin-sensitivity-in-ovarian-cancer-cells
#11
Genbao Shao, Xiaolei Wan, Wensheng Lai, Chaoyang Wu, Jie Jin, Xiuwen Liu, Ye Wei, Qiong Lin, Liuping Zhang, Qixiang Shao
Lysine-specific demethylase 1 (LSD1) functions as a transcriptional coregulator by modulating histone methylation and has been associated with numerous high-risk cancers. Previously, our group and others identified LSD1 as an upregulated gene in ovarian cancer, and reported that the upregulation of LSD1 was associated with poor prognosis of patients with ovarian cancer. However, the role of LSD1 in ovarian cancer requires further investigation. The present study revealed that the overexpression of LSD1 significantly promoted the proliferation of SKOV3 ovarian cancer cells, while knockdown of LSD1 markedly inhibited cell proliferation and potentiated cisplatin-induced cell apoptosis, supporting LSD1 as an oncogenic protein in ovarian cancer...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928328/chloroform-fraction-of-serratulae-chinensis-s-moore-suppresses-proliferation-and-induces-apoptosis-via-the-phosphatidylinositide-3-kinase-akt-pathway-in-human-gastric-cancer-cells
#12
Qiaoyan Cai, Jing Lin, Ling Zhang, Shan Lin, Jun Peng
The chloroform fraction of the folk Chinese medicine, Serratulae chinensis S. Moore (CSC) and its anti-inflammatory activity is well recognized. However, the molecular mechanisms underlying the beneficial anticancer effects of CSC remain largely unknown. The aim of the present study was to examine the effects of CSC on the regulation of cell proliferation and apoptosis in SGC-7901 gastric cancer cells, as well as to investigate the underlying molecular mechanisms involved. The results from the present study demonstrated that CSC treatment inhibited SGC-7901 cell viability and survival in a dose- and/or time-dependent manner...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928066/ppar%C3%AE-is-critical-for-mycobacterium-tuberculosis-induction-of-mcl-1-and-limitation-of-human-macrophage-apoptosis
#13
Eusondia Arnett, Ashlee M Weaver, Kiersten C Woodyard, Maria J Montoya, Michael Li, Ky V Hoang, Andrew Hayhurst, Abul K Azad, Larry S Schlesinger
Peroxisome proliferator-activated receptor (PPAR)γ is a global transcriptional regulator associated with anti-inflammatory actions. It is highly expressed in alveolar macrophages (AMs), which are unable to clear the intracellular pathogen Mycobacterium tuberculosis (M.tb). Although M.tb infection induces PPARγ in human macrophages, which contributes to M.tb growth, the mechanisms underlying this are largely unknown. We undertook NanoString gene expression analysis to identify novel PPARγ effectors that condition macrophages to be more susceptible to M...
June 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29927999/preclinical-characterization-of-incb053914-a-novel-pan-pim-kinase-inhibitor-alone-and-in-combination-with-anticancer-agents-in-models-of-hematologic-malignancies
#14
Holly Koblish, Yun-Long Li, Niu Shin, Leslie Hall, Qian Wang, Kathy Wang, Maryanne Covington, Cindy Marando, Kevin Bowman, Jason Boer, Krista Burke, Richard Wynn, Alex Margulis, Gary W Reuther, Que T Lambert, Valerie Dostalik Roman, Ke Zhang, Hao Feng, Chu-Biao Xue, Sharon Diamond, Greg Hollis, Swamy Yeleswaram, Wenqing Yao, Reid Huber, Kris Vaddi, Peggy Scherle
The Proviral Integration site of Moloney murine leukemia virus (PIM) serine/threonine protein kinases are overexpressed in many hematologic and solid tumor malignancies and play central roles in intracellular signaling networks important in tumorigenesis, including the Janus kinase-signal transducer and activator of transcription (JAK/STAT) and phosphatidylinositol 3-kinase (PI3K)/AKT pathways. The three PIM kinase isozymes (PIM1, PIM2, and PIM3) share similar downstream substrates with other key oncogenic kinases and have differing but mutually compensatory functions across tumors...
2018: PloS One
https://www.readbyqxmd.com/read/29927992/bcl-2-mediated-control-of-trail-induced-apoptotic-response-in-the-non-small-lung-cancer-cell-line-nci-h460-is-effective-at-late-caspase-processing-steps
#15
Lubna Danish, Dirke Imig, Frank Allgöwer, Peter Scheurich, Nadine Pollak
Dysregulation of the mitochondrial signaling pathway of apoptosis induction represents a major hurdle in tumor therapy. The objective of the presented work was to investigate the role of the intrinsic (mitochondrial) apoptotic pathway in the non-small lung cancer cell line NCI-H460 upon induction of apoptosis using the highly bioactive TRAIL derivative Db-scTRAIL. NCI-H460 cells were TRAIL sensitive but an only about 3 fold overexpression of Bcl-2 was sufficient to induce a highly TRAIL resistant phenotype, confirming that the mitochondrial pathway is crucial for TRAIL-induced apoptosis induction...
2018: PloS One
https://www.readbyqxmd.com/read/29926836/astragaloside-iv-protects-rgc-5-cells-against-oxidative-stress
#16
Ming Hao, Yu Liu, Ping Chen, Hong Jiang, Hong-Yu Kuang
Astragaloside IV is the main active compound of Astragalus membranaceus. Astragaloside IV has strong anti-oxidative activities and protective effects against progression of peripheral neuropathy. In this study, we determined whether astragaloside IV protects retinal ganglion cells (RGC) from oxidative stress injury using the rat RGC-5 cell line. Hydrogen peroxide (H2 O2 ) was used to induce oxidative stress injury, with the protective effect of astragaloside IV examined. Cell Counting Kit-8 and 4',6-diamidino-2-phenylindole staining showed that astragaloside IV increased cell survival rate and decreased apoptotic cell number...
June 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29926741/down-regulation-of-telomerase-reverse-transcriptase-related-anti-apoptotic-function-in-a-rat-model-of-acrylamide-induced-neurobehavioral-deficits
#17
J Wang, M Y Zhang, S Q Xu, J Cheng, Z J Yu, X M Hu
Although the precise mechanism is unknown, neuron apoptosis is believed to participate in neuropathy caused by acrylamide (ACR). Telomerase reverse transcriptase (TERT) exhibits an anti-apoptotic function, but its contribution to the pathogenesis of ACR neurotoxicity is unclear. We investigated adult male rats that were given 30, 40 and 50 mg/kg ACR three times/week for 4 weeks. We found that ACR treatment caused significant deficits in sensory/motor function as measured by gait score, landing foot spread distance, movement initiation test and tail immersion test...
June 21, 2018: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29926673/-effect-of-fracture-of-lower-limbs-with-hemorrhage-on-myocardial-injury-and-its-mechanism-in-rats
#18
Zhao-Hui Li, Ying Zhang, Yan Lu, Qing-Ming Lu, Xiao-Hua Xie
OBJECTIVES: To test whether myocardial apoptosis can be induced by traumatic fracture of lower limbs with hemorrhage, in order to lay a foundation of myocardial injury after traumatic fracture for the follow-up study. METHODS: Twenty SD rats were randomly divided into two groups, i. e. control group and trauma group( n =10). A rat model of traumatic hemorrhage was establish, and a traumatic model of the original generation of myocardial cell culture was constructed in vitro ...
February 8, 2018: Chinese Journal of Applied Physiology
https://www.readbyqxmd.com/read/29926668/-effects-of-different-intensity-exercise-training-on-apoptosis-related-micrornas-and-the-targeted-proteins-in-cardiomyocytes
#19
Yong-Cai Zhao, Jin-Mei Fu, Bing-Hong Gao
OBJECTIVE: To detect the levels of miR-1, miR-21 and their targeted proteins in hearts of mice after different exercise training, and discuss potential molecular mechanism. METHODS: Male C57BL/6 mice were randomly divided to 3 groups:sedentary (SE), exercise training 1(ET1) and exercise training 2 (ET2). SE did not do any exercise; ET1 undertook swimming training for 8 weeks, once a day, 5 days/week. Swimming 30 min in the 1st week, and the duration was increased 10 min per week to 90 min and maintained in the 7th and 8th week...
January 8, 2018: Chinese Journal of Applied Physiology
https://www.readbyqxmd.com/read/29925225/neuroprotective-effects-of-spinosin-on-recovery-of-learning-and-memory-in-a-mouse-model-of-alzheimer-s-disease
#20
Fanxing Xu, Bosai He, Feng Xiao, Tingxu Yan, Kaishun Bi, Ying Jia, Zhenzhong Wang
Previous studies have shown that spinosin was implicated in the modulation of sedation and hypnosis, while its effects on learning and memory deficits were rarely reported. The aim of this study is to investigate the effects of spinosin on the improvement of cognitive impairment in model mice with Alzheimer's disease (AD) induced by Aβ1-42 and determine the underlying mechanism. Spontaneous locomotion assessment and Morris water maze test were performed to investigate the impact of spinosin on behavioral activities, and the pathological changes were assayed by biochemical analyses and histological assay...
June 21, 2018: Biomolecules & Therapeutics
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