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https://www.readbyqxmd.com/read/29144730/cancer-protrusions-on-a-tightrope-nanofiber-curvature-contrast-quantitates-single-protrusion-dynamics
#1
Brian Koons, Puja Sharma, Zhou Ye, Apratim Mukherjee, Meng Horng Lee, Denis Wirtz, Bahareh Behkam, Amrinder Singh Nain
Cell migration is studied with the traditional focus on protrusion driven cell body displacement, while less is known on morphodynamics of individual protrusions themselves, especially in fibrous environments mimicking extracellular matrix. Here, using suspended fibers, we report integrative and multiscale abilities to study protrusive behavior independent of cell body migration. By manipulating the diameter of fibers in orthogonal directions, we constrain cell migration along large diameter (2 µm) base fibers, while solely allowing cells to sense, initiate, and mature protrusions on orthogonally deposited high curvature-low diameter (~100, 200 and 600 nm) protrusive fibers and low-curvature (~300 and 600 nm width) protrusive flat ribbons...
November 16, 2017: ACS Nano
https://www.readbyqxmd.com/read/29144460/inflammation-induced-iga-cells-dismantle-anti-liver-cancer-immunity
#2
Shabnam Shalapour, Xue-Jia Lin, Ingmar N Bastian, John Brain, Alastair D Burt, Alexander A Aksenov, Alison F Vrbanac, Weihua Li, Andres Perkins, Takaji Matsutani, Zhenyu Zhong, Debanjan Dhar, Jose A Navas-Molina, Jun Xu, Rohit Loomba, Michael Downes, Ruth T Yu, Ronald M Evans, Pieter C Dorrestein, Rob Knight, Christopher Benner, Quentin M Anstee, Michael Karin
The role of adaptive immunity in early cancer development is controversial. Here we show that chronic inflammation and fibrosis in humans and mice with non-alcoholic fatty liver disease is accompanied by accumulation of liver-resident immunoglobulin-A-producing (IgA(+)) cells. These cells also express programmed death ligand 1 (PD-L1) and interleukin-10, and directly suppress liver cytotoxic CD8(+) T lymphocytes, which prevent emergence of hepatocellular carcinoma and express a limited repertoire of T-cell receptors against tumour-associated antigens...
November 16, 2017: Nature
https://www.readbyqxmd.com/read/29143958/intraspinal-mesenchymal-chondrosarcoma-report-of-a-pediatric-case-and-literature-review
#3
Angela Di Giannatale, Marta Colletti, Ida Russo, Valentina Ferruzzi, Vito Andrea Dell' Anna, Raffaele Cozza, Giovanna Stefania Colafati, Raffaella Messina, Angela Mastronuzzi, Rita De Vito, Giuseppe Maria Milano
PURPOSE: Mesenchymal chondrosarcoma (MCS) is an aggressive variant of chondrosarcoma and is a rare tumor, particularly within the pediatric population. Commonly, MCS originates in the bone, but it can also arise in extraskeletal sites, such as the brain and the intraspinal area. Due to the rarity of this tumor, there are no guidelines for its optimal treatment. METHODS: We report a case of intradural extramedullary MCS, located at the T11-T12 level, in a 14-year-old male...
November 15, 2017: Tumori
https://www.readbyqxmd.com/read/29143759/the-role-of-food-antioxidants-benefits-of-functional-foods-and-influence-of-feeding-habits-on-the-health-of-the-older-person-an-overview
#4
REVIEW
Douglas W Wilson, Paul Nash, Harpal Singh Buttar, Keith Griffiths, Ram Singh, Fabien De Meester, Rie Horiuchi, Toru Takahashi
This overview was directed towards understanding the relationship of brain functions with dietary choices mainly by older humans. This included food color, flavor, and aroma, as they relate to dietary sufficiency or the association of antioxidants with neurodegenerative diseases such as dementia and Alzheimer's disease. Impairment of olfactory and gustatory function in relation to these diseases was also explored. The role of functional foods was considered as a potential treatment of dementia and Alzheimer's disease through inhibition of acetylcholinesterase as well as similar treatments based on herbs, spices and antioxidants therein...
October 28, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29142753/long-term-survival-in-a-patient-with-metastatic-squamous-cell-lung-carcinoma-a-case-report
#5
Emiddio Barletta, Piera Federico, Vincenza Tinessa, Domenico Germano, Lucia Cannella, Teresa Pironti, Bruno Daniele
Non-small-cell lung cancer (NSCLC) is the most common malignancy in industrialized countries, with a 5-year survival rate of only ~15%, as the majority of the patients have advanced-stage disease at diagnosis and the treatment options are limited. Squamous cell carcinoma the second most frequent type of NSCLC and is closely associated with cigarette smoking. We herein present the case of a 72-year-old male smoker, diagnosed with stage IV squamous cell lung carcinoma, with a solitary brain metastasis. After the diagnosis, stereotactic radiotherapy was performed on the brain metastasis...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29142626/resection-and-observation-for-brain-metastasis-without-prompt-postoperative-radiation-therapy
#6
Tae-Wook Song, In-Young Kim, Shin Jung, Tae-Young Jung, Kyung-Sub Moon, Woo-Youl Jang
Objective: Total resection without consecutive postoperative whole brain radiation therapy is indicated for patients with a single or two sites of brain metastasis, with close follow-up by serial magnetic resonance imaging (MRI). In this study, we explored the effectiveness, usefulness, and safety of this follow-up regimen. Methods: From January 2006 to December 2015, a total of 109 patients (76 males, 33 females) underwent tumor resection as the first treatment for brain metastases (97 patients with single metastases, 12 with two metastases)...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29142367/case-of-carcinoma-breast-with-unusually-large-tumor-thrombus-in-superior-vena-cava-detected-on-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-scan
#7
Arun Sasikumar, Anto Baby, Mathews Jose, Retcy Mary Paul
A 60-year-old female with triple negative breast cancer, postsurgery, neoadjuvant chemotherapy and radiotherapy, on follow-up had facial puffiness and giddiness. (18)F-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) done for suspected recurrence evaluation revealed a large tumor thrombus (TT) in superior vena cava (SVC) with radiological evidence of SVC obstruction. (18)F-FDG PET/CT also showed evidence of FDG avid brain metastases, lymph nodal metastases, and metastatic soft tissue deposits...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29142336/multi-atlas-based-ct-synthesis-from-conventional-mri-with-patch-based-refinement-for-mri-based-radiotherapy-planning
#8
Junghoon Lee, Aaron Carass, Amod Jog, Can Zhao, Jerry L Prince
Accurate CT synthesis, sometimes called electron density estimation, from MRI is crucial for successful MRI-based radiotherapy planning and dose computation. Existing CT synthesis methods are able to synthesize normal tissues but are unable to accurately synthesize abnormal tissues (i.e., tumor), thus providing a suboptimal solution. We propose a multi-atlas-based hybrid synthesis approach that combines multi-atlas registration and patch-based synthesis to accurately synthesize both normal and abnormal tissues...
February 2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/29142217/fbxo32-promotes-microenvironment-underlying-epithelial-mesenchymal-transition-via-ctbp1-during-tumour-metastasis-and-brain-development
#9
Sanjeeb Kumar Sahu, Neha Tiwari, Abhijeet Pataskar, Yuan Zhuang, Marina Borisova, Mustafa Diken, Susanne Strand, Petra Beli, Vijay K Tiwari
The set of events that convert adherent epithelial cells into migratory cells are collectively known as epithelial-mesenchymal transition (EMT). EMT is involved during development, for example, in triggering neural crest migration, and in pathogenesis such as metastasis. Here we discover FBXO32, an E3 ubiquitin ligase, to be critical for hallmark gene expression and phenotypic changes underlying EMT. Interestingly, FBXO32 directly ubiquitinates CtBP1, which is required for its stability and nuclear retention...
November 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/29141225/a-comprehensive-patient-derived-xenograft-collection-representing-the-heterogeneity-of-melanoma
#10
Clemens Krepler, Katrin Sproesser, Patricia Brafford, Marilda Beqiri, Bradley Garman, Min Xiao, Batool Shannan, Andrea Watters, Michela Perego, Gao Zhang, Adina Vultur, Xiangfan Yin, Qin Liu, Ioannis N Anastopoulos, Bradley Wubbenhorst, Melissa A Wilson, Wei Xu, Giorgos Karakousis, Michael Feldman, Xiaowei Xu, Ravi Amaravadi, Tara C Gangadhar, David E Elder, Lauren E Haydu, Jennifer A Wargo, Michael A Davies, Yiling Lu, Gordon B Mills, Dennie T Frederick, Michal Barzily-Rokni, Keith T Flaherty, Dave S Hoon, Michael Guarino, Joseph J Bennett, Randall W Ryan, Nicholas J Petrelli, Carol L Shields, Mizue Terai, Takami Sato, Andrew E Aplin, Alexander Roesch, David Darr, Steve Angus, Rakesh Kumar, Ensar Halilovic, Giordano Caponigro, Sebastien Jeay, Jens Wuerthner, Annette Walter, Matthias Ocker, Matthew B Boxer, Lynn Schuchter, Katherine L Nathanson, Meenhard Herlyn
Therapy of advanced melanoma is changing dramatically. Following mutational and biological subclassification of this heterogeneous cancer, several targeted and immune therapies were approved and increased survival significantly. To facilitate further advancements through pre-clinical in vivo modeling, we have established 459 patient-derived xenografts (PDX) and live tissue samples from 384 patients representing the full spectrum of clinical, therapeutic, mutational, and biological heterogeneity of melanoma...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29138827/gambogic-acid-inhibits-spinal-cord-injury-and-inflammation-through-suppressing-the-p38-and-akt-signaling-pathways
#11
Qiao Fu, Chaojian Li, Lehua Yu
Gamboge is the dry resin secreted by Garcinia hanburyi Hook.f, with the function of promoting blood circulation, detoxification, hemostasis and killing insects, used for the treatment of cancer, brain edema and other diseases. Gambogic acid is the main effective constituent of Gamboge. The present study investigated the protective effects of gambogic acid on spinal cord injury (SCI) and its anti‑inflammatory mechanism in an SCI model in vivo. Basso, Beattie and Bresnahan (BBB) testing was used to detect the protective effects of gambogic acid on nerve function of SCI rats...
November 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138748/identifying-novel-glioma-associated-noncoding-rnas-by-their-expression-profiles
#12
Alenka Matjašič, Mojca Tajnik, Emanuela Boštjančič, Mara Popović, Boštjan Matos, Damjan Glavač
Long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) play a significant role in cancer development as regulators of protein-coding genes. Their dysregulation was in some extent already associated with glioma, the most aggressive primary brain tumours in adults. The correct diagnosis and treatment selection due to high tumour heterogeneity might be difficult and inadequate, resulting in poor prognosis. Studies of expression patterns of noncoding RNAs (ncRNAs) could provide useful insight in glioma molecular development...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/29137378/trastuzumab-distribution-in-an-in-vivo-and-in-vitro-model-of-brain-metastases-of-breast-cancer
#13
Tori B Terrell-Hall, Mohamed Ismail Nounou, Fatema El-Amrawy, Jessica I G Griffith, Paul R Lockman
Background: Drug and antibody delivery to brain metastases has been highly debated in the literature. The blood-tumor barrier (BTB) is more permeable than the blood-brain barrier (BBB), and has shown to have highly functioning efflux transporters and barrier properties, which limits delivery of targeted therapies. Methods: We characterized the permeability of (125)I-trastuzumab in an in-vivo, and fluorescent trastuzumab-Rhodamine123 (t-Rho123) in a novel microfluidic in-vitro, BBB and BTB brain metastases of breast cancer model...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137103/crizotinib-resistance-overcome-by-ceritinib-in-an-alk-positive-non-small-cell-lung-cancer-patient-with-brain-metastases-a-case-report
#14
Zhouyu Zhu, Ying Chai
RATIONALE: The treatment of non-small cell lung cancer (NSCLC) has now changed dramatically in recent years and anaplastic lymphoma receptor tyrosine kinase (ALK) inhibitors are developing rapidly. PATIENT CONCERNS: Here we reported a 57-year-old ALK-positive NSCLC man with brain metastases. DIAGNOSES: A case of lung adenocarcinoma with brain metastases. INTERVENTIONS: Crizotinib was administered orally at a dose of 250mg twice a day until the brain metastases were found...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136779/juglanin-ameliorates-lps-induced-neuroinflammation-in-animal-models-of-parkinson-s-disease-and-cell-culture-via-inactivating-tlr4-nf-%C3%AE%C2%BAb-pathway
#15
Fang-Xue Zhang, Ren-Shi Xu
Parkinson's disease (PD) is a common neuro-degenerative disorder, and novel therapeutic targets are required for the treatment of PD. Juglanin is a natural compound extracted from the crude Polygonum aviculare, exhibiting anti-inflammatory, anti-oxidant and anti-cancer activities. In our study, PD in mice was induced by systemic LPS treatment as evidenced by enhanced α-synuclein and reduced tyrosine hydroxylase (TH), which were reversed by juglanin treatment. Moreover, juglanin administration attenuated LPS-caused behavioral and memory impairments and reduced LPS-induced enhancement of neuro-degenerative markers, including amyloid β (Aβ) and p-Tau...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29136710/-clinical-characteristics-of-128-hospitalized-patients-with-syndrome-of-inappropriate-antidiuretics-of-different-etiologies
#16
G Chen, L L Li, J Sun, W J Gu, N Jin, W H Yan, K Chen, J Du, X L Wang, L Zang, Y Pei, Q H Guo, G Q Yang, J M Ba, Z H Lyu, J M Lu, Y M Mu, J T Dou
Objective: To summarize and analyze the clinical features and etiologies in hospitalized patients with syndrome of inappropriate antidiuretics (SIAD) during the past 25 years. Methods: All data of 128 patients with SIAD admitted to Chinese PLA General Hospital since January 1991 to January 2016 were collected. SIAD was diagnosed based on the 1957 criterion. Results: (1) The most frequent causes of increased inappropriate secretion of vasopressin were malignant tumors, lung diseases (e. g. pneumonia), and central nervous system diseases, in which malignant tumors accounted for 38...
November 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29136334/identification-of-plasma-membrane-glycoproteins-specific-to-human-glioblastoma-multiforme-cells-using-lectin-arrays-and-lc-ms-ms
#17
YaeEun Park, Jeonghun Yeom, YoungSoo Kim, Hye Jin Lee, Ki-Cheol Han, SeungTaek Lee, Cheolju Lee, Ji Eun Lee
Glioblastoma, also known as glioblastoma multiforme (GBM), is the most malignant type of brain cancer and has poor prognosis with a median survival of less than one year. While the structural changes of tumor cell surface carbohydrates are known to be associated with invasive behavior of tumor cells, the cell surface glycoproteins to differentiate the low- and high-grade glioma cells can be potential diagnostic markers and therapeutic targets for GBMs. In the present study, lectin arrays consisting of eight lectins were employed to explore cell surface carbohydrate expression patterns on low-grade oligodendroglioma cells (Hs683) and GBM cells (T98G)...
November 14, 2017: Proteomics
https://www.readbyqxmd.com/read/29135901/clinical-factors-associated-with-pediatric-brain-neoplasms-versus-primary-headache-a-case-control-analysis
#18
David C Sheridan, Bethany Waites, Bradley Lezak, Robert J Coryell, Kellie J Nazemi, Amber L Lin, Rongwei Fu, Matthew L Hansen
OBJECTIVE: Pediatric headaches are a common presentation to emergency departments accounting for almost half a million annual visits. Providers are left with the difficult task of deciding who has a secondary headache etiology that warrants neuroimaging. METHODS: We conducted a retrospective case-control study. Patients from a pediatric neuro-oncology clinic database with brain cancer and a headache at presentation were identified as cases. Controls were patients from 2 local pediatric tertiary care emergency departments with a final diagnosis of headache after negative neuroimaging...
November 14, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29135607/targeting-the-perivascular-niche-in-brain-tumors
#19
Giorgio Seano
PURPOSE OF REVIEW: Brain tumors are composed of primary tumors of the central nervous system, such us glioblastoma (GBM), and secondary metastatic tumors, such as melanoma, non-Hodgkin lymphoma as well as lung and breast cancers. Brain tumors are highly deadly, and unfortunately not many improvements have been achieved to improve the survival of patients with brain tumors. Chemoradiation resistance is one of the most clinically relevant challenges faced in patients with brain tumors. The perivascular niche is one of the most relevant microenvironment hubs in brain tumors...
November 14, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29135108/addressing-the-post-irradiation-hypothalamic-pituitary-endocrine-abnormalities-of-brain-tumors-in-pediatric-patients
#20
Louloudenia Velentza, Maria Tolia, Charikleia Christakou, Michail Nikolaou, Ioannis Zerdes, Nikolaos Tsoukalas, Jiannis Hajiioannou, Konstantinos Tsanadis, Georgios Rigas, Michail Mitsis, Kyriaki Theodorou, Kyriaki Pistevou-Gombaki, Periklis Tsekeris, George Kyrgias
PURPOSE: Hypothalamic-pituitary axis is susceptible to radiotherapy, causing endocrine disorders to childhood cancer survivors. We conducted a systematic review in order to assess the radiation-induced toxicity that leads to hormone secretion abnormalities and their severity in children with brain tumors. METHODS: The data were collected by relevant studies on PubMed and EMBASE. Articles up to December 2016 were included. We selected studies which focused on children patients (<18 yr old) with brain tumors treated with radiotherapy and the consequences for their endocrine system...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
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