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https://www.readbyqxmd.com/read/29333657/gelatin-methacryloyl-hydrogels-in-the-absence-of-a-crosslinker-as-3d-glioblastoma-multiforme-gbm-mimetic-microenvironment
#1
Pelin Erkoc, Fidan Seker, Tugba Bagci-Onder, Seda Kizilel
3D platforms are important for monitoring tumor progression and screening drug candidates to eradicate tumors such as glioblastoma multiforme (GBM), a malignant type of human brain tumor. Here, a new strategy is reported that exploits visible-light-induced crosslinking of gelatin where the reaction is carried out in the absence of an additional crosslinker. Visible light-induced crosslinking promotes the design of cancer microenvironment-mimetic system without compromising the cell viability during the process and absence of crosslinker facilitates the synthesis of the unique construct...
January 15, 2018: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29333421/brain-metastasis-from-colorectal-cancer-a-single-center-experience
#2
Dong-Yeop Kim, Chun-Geun Ryu, Eun-Joo Jung, Jin-Hee Paik, Dae-Yong Hwang
Purpose: The detection rate of brain metastasis (BM) from colorectal cancer (CRC) is increasing. This study was designed to analyze the clinical features of BM and prognosis according to the therapeutic modalities. Methods: A total of 19 cases were collected in this study between November 2008 and December 2015. We reviewed the patients' demographic data and the clinical features of BM retrospectively and investigated their prognostic significance. Results: Nineteen patients included 8 male and 11 female patients...
January 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29333045/in-vitro-antiproliferative-effect-of-earthworm-coelomic-fluid-of-eudrilus-eugeniae-eisenia-foetida-and-perionyx-excavatus-on-squamous-cell-carcinoma-9-cell-line-a-pilot-study
#3
Dominic Augustine, Roopa S Rao, Jayaraman Anbu, K N Chidambara Murthy
Introduction: The earthworm coelomic fluid (ECF) has shown proven antiproliferative effect against breast, liver, gastrointestinal, and brain cancer, but it is least explored in oral cancer. The present in vitro study is an attempt to investigate the antiproliferative activity of ECF on oral cancer cell line squamous cell carcinoma (SCC)-9. Materials and Methods: ECF was collected from the species Eudrilus eugeniae (EE), Eisenia foetida (EF), and Perionyx excavatus (PE) stored at -80°C...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29332928/optical-coherence-tomography-for-precision-brain-imaging-neurosurgical-guidance-and-minimally-invasive-theranostics
#4
Yingwei Fan, Yan Xia, Xinran Zhang, Yu Sun, Jie Tang, Liwei Zhang, Hongen Liao
This review focuses on optical coherence tomography (OCT)-based neurosurgical application for imaging and treatment of brain tumors. OCT has emerged as one of the most innovative and successful translational biomedical-diagnostic techniques. It is a useful imaging tool for noninvasive, in vivo, in situ and real-time imaging in soft biological tissues, such as brain tumor imaging. OCT can detect the structure of biological tissue in a micrometer scale, and functional OCT has some clinical researches and applications, such as nerve fiber tracts and neurovascular imaging...
January 15, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/29332467/is-hippocampal-avoidance-during-whole-brain-radiotherapy-risky-for-patients-with-small-cell-lung-cancer-hippocampal-metastasis-rate-and-associated-risk-factors
#5
Esra Korkmaz Kirakli, Ozgur Oztekin
OBJECTIVES: Hippocampal avoidance during whole-brain radiotherapy is performed to prevent neural stem cell injury causing neurocognitive dysfunction. Nevertheless, the estimated risk of metastases in hippocampal avoidance area in small-cell lung cancer is unknown. The current study aimed to characterize the metastatic distribution within the brain relative to the hippocampus, estimate the incidence of hippocampal metastasis in patients with small-cell lung cancer, and identify clinical and radiographic variables that may be associated with the risk of hippocampal avoidance area metastasis...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29332042/protective-effects-of-indian-spice-curcumin-against-amyloid-%C3%AE-in-alzheimer-s-disease
#6
P Hemachandra Reddy, Maria Manczak, Xiangling Yin, Mary Catherine Grady, Andrew Mitchell, Sahil Tonk, Chandra Sekhar Kuruva, Jasvinder Singh Bhatti, Ramesh Kandimalla, Murali Vijayan, Subodh Kumar, Rui Wang, Jangampalli Adi Pradeepkiran, Gilbert Ogunmokun, Kavya Thamarai, Kandi Quesada, Annette Boles, Arubala P Reddy
The purpose of our article is to assess the current understanding of Indian spice, curcumin, against amyloid-β (Aβ)-induced toxicity in Alzheimer's disease (AD) pathogenesis. Natural products, such as ginger, curcumin, and gingko biloba have been used as diets and dietary supplements to treat human diseases, including cancer, cardiovascular, respiratory, infectious, diabetes, obesity, metabolic syndromes, and neurological disorders. Products derived from plants are known to have protective effects, including anti-inflammatory, antioxidant, anti-arthritis, pro-healing, and boosting memory cognitive functions...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29331678/microrna-320-enhances-radiosensitivity-of-glioma-through-down-regulation-of-sirtuin-type-1-by-directly-targeting-forkhead-box-protein-m1
#7
Tengfei Li, Ji Ma, Xinwei Han, Yongxu Jia, Huifeng Yuan, Shaofeng Shui, Dong Guo
Glioma is the most common cancer in human brain system and seriously threatens human health. miRNA-320 has been demonstrated to be closely correlated with the development of glioma. However, its effect and molecular mechanism underlying radioresistance have not been fully elucidated in glioma. Here, RT-qPCR assay was used to assess the expressions of miR-320 and forkhead box protein M1 (FoxM1) mRNA in glioma tumor tissues and cells. The effects of miR-320, FoxM1 and sirtuin type 1 (Sirt1) on radiosensitivity in glioma cells were evaluated by clone formation assay, apoptosis assay, histone H2AX phosphorylation level (γH2AX) detection and caspase 3 activity analysis, respectively...
January 10, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29330379/identification-of-shared-genetic-variants-between-schizophrenia-and-lung-cancer
#8
Verena Zuber, Erik G Jönsson, Oleksandr Frei, Aree Witoelar, Wesley K Thompson, Andrew J Schork, Francesco Bettella, Yunpeng Wang, Srdjan Djurovic, Olav B Smeland, Ingrid Dieset, Ayman H Fanous, Rahul S Desikan, Sébastien Küry, Stéphane Bézieau, Anders M Dale, Ian G Mills, Ole A Andreassen
Epidemiology studies suggest associations between schizophrenia and cancer. However, the underlying genetic mechanisms are not well understood, and difficult to identify from epidemiological data. We investigated if there is a shared genetic architecture between schizophrenia and cancer, with the aim to identify specific overlapping genetic loci. First, we performed genome-wide enrichment analysis and second, we analyzed specific loci jointly associated with schizophrenia and cancer by the conjunction false discovery rate...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330272/spontaneous-splenic-rupture-as-a-rare-complication-of-g-csf-injection
#9
Soraya Benguerfi, Fanny Thepault, Hervé Lena, Charles Ricordel
Splenic rupture is an infrequent and underdiagnosed side effect of granylocyte colony-stimulating factor (G-CSF). We report the case of a 54-year-old woman with brain and bone metastasis in a lung adenocarcinoma who was admitted for faintness 28 days after a G-CSF injection. Abdominal CT scan confirmed the diagnosis of splenic rupture. A conservative treatment was chosen using a peritoneal cleansing during laparoscopic surgery. Clinicians should be aware of this rare toxicity as it could be severe, but easily reversible using appropriate surgical treatment...
January 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29329006/ongoing-unmet-needs-in-treating-estrogen-receptor-positive-her2-negative-metastatic-breast-cancer
#10
REVIEW
Gül A Başaran, Chris Twelves, Véronique Diéras, Javier Cortés, Ahmad Awada
Estrogen receptor-positive (ER+)/human epidermal growth factor receptor 2 negative (HER2-) advanced or metastatic breast cancer (MBC) is the most common MBC subtype and currently remains incurable, with a median overall survival of 24.8 months (95% confidence interval, 21.3-30.3). Common sites of metastases are bone, viscera, and brain, causing significant symptoms that negatively affect patient functioning, quality of life (QoL), and work productivity. Guidelines state that endocrine therapy (ET) is preferable to chemotherapy as first-line treatment for patients with ER+ MBC, regardless of limited visceral metastases, unless rapid tumor response is required or ET resistance is suspected...
December 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29328867/glioma-stem-cell-niches-in-human-glioblastoma-are-periarteriolar
#11
Vashendriya V V Hira, Diana A Aderetti, Cornelis J F van Noorden
Survival of primary brain tumor (glioblastoma) patients is seriously hampered by glioma stem cells (GSCs) that are distinct therapy-resistant self-replicating pluripotent cancer cells. GSCs reside in GSC niches, which are specific protective microenvironments in glioblastoma tumors. We have recently found that GSC niches are hypoxic periarteriolar, whereas in most studies, GSC niches are identified as hypoxic perivascular. The aim of this review is to critically evaluate the literature on perivascular GSC niches to establish whether these are periarteriolar, pericapillary, perivenular, and/or perilymphatic...
January 1, 2018: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/29328461/anti%C3%A2-inflammatory-effects-of-gambogic-acid-in-murine-collagen%C3%A2-induced-arthritis-through-pi3k-akt-signaling-pathway
#12
Qing Lai Wang, Dong Zhen Yang, Cunxian Lv
Garcinia angustifolia is a dry resin secreted by Garcinia cambogia, which has the functions of breaking blood, detoxifying, stopping bleeding and killing insects. It is used for the treatment of cancer and brain edema. Gambogic acid is the primary active ingredient. The present study aimed to investigate the anti‑inflammatory and antiproliferative effects of gambogic acid on arthritis and the possible mechanisms. It was demonstrated that gambogic acid decreased arthritic scores in murine collagen‑induced arthritic mice...
January 8, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29328424/vitexin-induces-g2-m%C3%A2-phase-arrest-and-apoptosis-via-akt-mtor-signaling-pathway-in-human-glioblastoma-cells
#13
Guangning Zhang, Dongyuan Li, Hao Chen, Junchen Zhang, Xingyi Jin
Glioblastoma is a common primary brain tumor with aggressive malignancy, which results in poor outcomes, short survival time and high mortality. Vitexin, an active ingredient from natural products, has been reported to inhibit cell growth and induce cell apoptosis in various cancer cell lines including hepatocellular carcinoma, oral and esophageal cancer. To the best of the authors knowledge, the present study was the first to investigate anticancer effects of vitexin on human glioblastoma cells and potential underlying mechanisms...
January 8, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29328410/cldn5-affects-lncrnas-acting-as-cerna-dynamics-contributing-to-regulating-blood%C3%A2-brain-barrier-permeability-in-tumor-brain-metastasis
#14
Shun-Chang Ma, Qi Li, Jia-Yi Peng, Jian-Long Zhouwen, Dai-Nan Zhang, Chuan-Bao Zhang, Wen-Guo Jiang, Wang Jia
The blood‑brain barrier (BBB) constitutes an efficient organization of tight junctions that limits the delivery of tumor to the brain. The principal tight junction protein in BBB is claudin‑5 (CLDN5), but its mechanism of action remains largely unknown. Long non‑coding RNAs (lncRNAs) are aberrantly expressed in many cancers, some lncRNAs play key roles in regulating BBB permeability and are involved in tumor brain metastasis. In particular, lncRNAs can function as competing endogenous RNAs (ceRNAs). Herein, we investigated whether ceRNA dysregulation is associated with alterations of the level of CLDN5 in human brain vascular endothelial hCMEC/D3 cells...
January 10, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29327816/brain-cortex-microglia-derived-exosomes-novel-nanoparticles-for-glioma-therapy
#15
Adriana-Natalia Murgoci, Dasa Cizkova, Petra Majerova, Eva Petrovova, Lubomir Medvecky, Isabelle Fournier, Michel Salzet
The function and integrity of nervous system require interactive exchanges among neurons and glial cells. Exosomes and other extracellular vesicles (EVs) are emerging as a key mediator of intercellular communication, capable to transfer nucleic acids, proteins and lipids, influencing numerous functional and pathological aspects of both donor and recipient cells. The immune response mediated by microglia derived exosomes are most prominently involved in the spread of neuroinflammation, neurodegenerative disorders and brain cancer...
January 12, 2018: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29327473/risk-assessment-for-metalworking-fluids-and-cancer-outcomes
#16
Robert M Park
BACKGROUND: Metalworking fluids (MWF) are complex mixtures with dermal and inhalation exposure. Published reports reveal excess cancer risk. METHODS: Using published findings exposure response was derived for each attributable cancer site. Aggregate excess lifetime risk was estimated by applying a lifetable calculation. RESULTS: Cancer sites contributing the most attributable cases were larynx, esophagus, brain, female breast, and uterine cervix...
January 12, 2018: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/29327173/personality-traits-patient-centered-health-status-and-prognosis-of-brain-tumor-patients
#17
Adomas Bunevicius
Personality traits can be related to prognosis of cancer patients. The study aimed to evaluate the association of big-five personality dimensions with emotional and cognitive health status, and prognosis of brain tumor patients. A total of 178 patients admitted for brain tumor surgery were evaluated for personality traits (Tem item Personality Inventory), depressive/anxiety symptoms (Hospital Anxiety and Depression Scale or HADS) and cognitive functioning (Mini Mental State Examination or MMSE) on admission...
January 11, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29327172/identifying-candidates-for-gamma-knife-radiosurgery-among-elderly-patients-with-brain-metastases
#18
Tae Hoon Roh, Mi Sun Choi, Namkyu You, Donghwan Jeong, Ae Hwa Jang, Mi Ra Seo, Sang Ryul Lee, Se-Hyuk Kim
We investigated the outcomes of gamma knife radiosurgery (GKRS) for elderly patients (≥ 65 years) with brain metastases, and identified survival-associated factors. We retrospectively analyzed data from 115 patients treated with GKRS for 1-15 brain metastases. The median patient age was 72 years; most primary tumors were pulmonary (n = 83). The mean lesion volume was 2.1 ± 4.8 mL. A mean dose of 19.3 Gy was delivered to the mean 63.9% isodose line. The median overall survival (OS) was 5.3 months (95% confidence interval [CI] 3...
January 11, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29326073/retinoic-acid-promotes-stem-cell-differentiation-and-embryonic-development-by-transcriptionally-activating-cftr
#19
Xiaofeng Li, Kin Lam Fok, Jinghui Guo, Yan Wang, Zhenqing Liu, Ziyi Chen, Chengdong Wang, Ye Chun Ruan, Sidney Siubun Yu, Hui Zhao, Ji Wu, Xiaohua Jiang, Hsiao Chang Chan
Retinoic acid (RA) plays a pivotal role in many cellular processes; however, the signaling mechanisms mediating the effect of RA are not fully understood. Here, we show that RA transcriptionally upregulates cystic fibrosis transmembrane conductance regulator (Cftr) by promoting the direct binding of its receptor RARα to Cftr promoter in mouse spermatogonia and embryonic stem (ES) cells. The RA/CFTR pathway is involved in the differentiation of spermatogonia and organogenesis during the embryo development of Xenopus laevis...
January 8, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29325248/-survival-of-patients-with-primary-central-nervous-system-diffuse-large-b-cell-lymphoma-impact-of-gene-aberrations-and-protein-overexpression-of-bcl-2-and-c-myc-and-selection-of-chemotherapy-regimens
#20
W J Yin, X Zhu, H Y Yang, W Y Sun, M J Wu
Objective: To investigate the impact of clinicopathological features, gene rearrangements and protein expression of bcl-6, bcl-2, C-MYC and chemotherapy regime on the prognosis of patients with primary central nervous system diffuse large B-cell lymphoma (PCNS-DLBCL). Methods: Thirty-three cases of PCNS-DLBCL diagnosed from January 2006 to December 2016 at Zhejiang Cancer Hospital were collected. The expression of CD10, bcl-6, bcl-2, MUM1 and MYC were detected by immunohistochemical staining (IHC). The presence of EB virus was detected by in situ hybridization(EBER)...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
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