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https://www.readbyqxmd.com/read/29454155/immune-checkpoint-inhibitors-in-non-small-cell-lung-cancer-nsclc-approaches-on-special-subgroups-and-unresolved-burning-questions
#1
REVIEW
J Remon, N Vilariño, N Reguart
Immune checkpoint inhibitors (ICIs) have been incorporated in the treatment strategy of advanced non-small cell lung cancer (NSCLC). Beyond the already approved indications in first- and second-line setting of advanced NSCLC, new data has recently emerged demonstrating its efficacy in locally advanced disease as maintenance after chemo-radiotherapy and currently several trials are also exploring its efficacy in earlier stages of the disease to evaluate whether these results could be extrapolated to the adjuvant setting...
February 8, 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29399357/anticancer-effects-of-bilberry-anthocyanins-compared-with-nutrananosphere-encapsulated-bilberry-anthocyanins
#2
Seth P Thibado, Jerry T Thornthwaite, Thomas K Ballard, Brandon T Goodman
Rapidly accumulating laboratory and clinical research evidence indicates that anthocyanins exhibit anticancer activity and the evaluation of bilberry anthocyanins as chemo-preventive agents is progressing. It has previously been demonstrated that anthocyanins upregulate tumor suppressor genes, induce apoptosis in cancer cells, repair and protect genomic DNA integrity, which is important in reducing age-associated oxidative stress, and improve neuronal and cognitive brain function. Bilberry anthocyanins have pronounced health effects, even though they have a low bioavailability...
February 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29385852/clinical-trial-of-mgmt-p140k-gene-therapy-in-the-treatment-of-paediatric-patients-with-brain-tumours
#3
Belinda Kramer, Radhika Singh, Jessica Wischusen, Rebecca Velickovic, Amanda Rush, Shiloh Middlemiss, Yu-Wooi Ching, Ian Edward Alexander, Geoffrey B McCowage
Gene transfer targeting haematopoietic stem cells (HSC) in children has shown sustained therapeutic benefit in the treatment of genetic diseases affecting the immune system, most notably in the severe combined immuno-deficiencies affecting T cell function. The HSC compartment has also been successfully targeted using gene transfer in children with genetic diseases affecting the central nervous system, such as metachromatic leukodystrophy and adrenoleukodystrophy. The HSC is also a target for genetic modification in strategies aiming to confer drug resistance to chemotherapy agents so as to reduce off-target toxicity, and to allow for chemotherapy dose escalation with the possibility of enhanced therapeutic benefit...
January 31, 2018: Human Gene Therapy
https://www.readbyqxmd.com/read/29384905/central-nervous-system-leukemia-in-a-patient-with-concurrent-nasopharyngeal-carcinoma-and-acute-myeloid-leukaemia-a-case-report
#4
Jun-Qing Liu, Wen-Yuan Mai, Si-Ben Wang, Yin-Jun Lou, Sen-Xiang Yan, Jie Jin, Wei-Lai Xu
RATIONALE: Concurrent case of nasopharyngeal carcinoma (NPC) and acute myeloid leukemia (AML) has not been reported. Here, we report a case of NPC, who was concurrently suffered from AML one mother after the NPC diagnosis. PATIENT CONCERNS: The patient was a 45-year-old male who presented with a mass on his right side neck. DIAGNOSES: The patient was diagnosed with Epstein-Barr virus negative type-2 non-keratinizing carcinoma with clivus involvement and unilateral metastasis to the cervical lymph node...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29369420/atm-and-p53-combined-analysis-predicts-survival-in-glioblastoma-multiforme-patients-a-clinicopathologic-study
#5
Francesco Jacopo Romano, Elia Guadagno, Domenico Solari, Giorgio Borrelli, Sara Pignatiello, Paolo Cappabianca, Marialaura Del Basso De Caro
Glioblastoma is one of the most malignant cancers, with a distinguishing dismal prognosis: surgery followed by chemo- and radiotherapy represents the current standard of care, and chemo- and radioresistance underlie disease recurrence and short overall survival of patients suffering from this malignancy. ATM is a kinase activated by autophosphorylation upon DNA doublestrand breaks arising from errors during replication, byproducts of metabolism, chemotherapy or ionizing radiations; TP53 is one of the most popular tumor suppressor, with a preeminent role in DNA damage response and repair...
January 25, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29360266/targeting-glioma-stem-like-cell-survival-and-chemo-resistance-through-inhibition-of-lysine-specific-histone-demethylase-kdm2b
#6
Mikkel Staberg, Rikke Darling Rasmussen, Signe Regner Michaelsen, Henriette Pedersen, Kamilla Ellermann Jensen, Mette Villingshøj, Jane Skjoth-Rasmussen, Jannick Brennum, Kristoffer Vitting-Seerup, Hans Skovgaard Poulsen, Petra Hamerlik
Glioblastoma (GBM) ranks among the most lethal cancers, with current therapies offering only palliation. Inter- and intra-patient heterogeneity is a hallmark of GBM, with epigenetically distinct cancer stem-like cells (CSCs) at the apex. Targeting GSCs remains a challenging task because of their unique biology, resemblance to normal neural stem/progenitor cells and resistance to standard cytotoxic therapy. Here, we find that the chromatin regulator, JmjC domain histone H3K36me2/me1 demethylase KDM2B, is highly expressed in glioblastoma surgical specimens compared to normal brain...
January 23, 2018: Molecular Oncology
https://www.readbyqxmd.com/read/29356734/differentiation-of-recurrent-residual-glioma-from-radiation-necrosis-using-semi-quantitative-99mtc-mdm-bis-methionine-dtpa-brain-spect-ct-and-dynamic-susceptibility-contrast-enhanced-mr-perfusion-a-comparative-study
#7
Nisha Rani, Baljinder Singh, Narendra Kumar, Paramjit Singh, Puja Panwar Hazari, Harpreet Singh, Ganesh Kumar, Bishan Radotra, Mukesh Kumar, Anish Bhattacharya, Rajnish Sharma, Adarsh Kohli, Rajesh Chhabra, Sunil Kumar Gupta, Anil Kumar Mishra
PURPOSE: In this study, Tc MDM (bis-methionine-DTPA) SPECT was used for the detection and differentiation of recurrent/residual glioma from radiation necrosis and the results were compared with dynamic susceptibility contrast-enhanced (DSCE)-MRI and clinical findings. MATERIALS AND METHODS: Twenty-eight patients (18 men and 10 women; mean ± SD age, 41.4 ± 15.03 years) with histologically proven glioma (grade IV, 14; grade III, 7; grade II, 7) who were planned for postsurgical standard radio/chemo therapy were recruited prospectively...
January 19, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29229861/appetite-suppressive-role-of-medial-septal-glutamatergic-neurons
#8
Patrick Sweeney, Changhong Li, Yunlei Yang
Feeding behavior is controlled by diverse neurons and neural circuits primarily concentrated in the hypothalamus and hindbrain in mammals. In this study, by using chemo/optogenetic techniques along with feeding assays, we investigate how neurons within the medial septal complex (MSc), a brain area implicated in emotion and cognition, contribute to food intake. We find that chemo/optogenetic activation of MSc glutamatergic neurons profoundly reduces food intake during both light and dark periods of the rodent light cycle...
December 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29212735/decision-making-capacity-for-chemotherapy-and-associated-factors-in-newly-diagnosed-patients-with-lung-cancer
#9
Asao Ogawa, Kyoko Kondo, Hiroyuki Takei, Daisuke Fujisawa, Yuichiro Ohe, Tatsuo Akechi
BACKGROUND: The objective of this study was to assess decision-making capacity in patients newly diagnosed with lung cancer, clinical factors associated with impaired capacity, and physicians' perceptions of patients' decision-making capacity. MATERIALS AND METHODS: We recruited 122 patients newly diagnosed with lung cancer. One hundred fourteen completed the assessment. All patients were receiving a combination of treatments (e.g., chemotherapy, chemo-radiotherapy, or targeted therapy)...
December 6, 2017: Oncologist
https://www.readbyqxmd.com/read/29197652/crustacean-olfactory-systems-a-comparative-review-and-a-crustacean-perspective-on-insect-olfactory-systems
#10
REVIEW
S Harzsch, J Krieger
Malacostracan crustaceans display a large diversity of sizes, morphs and life styles. However, only a few representatives of decapod taxa have served as models for analyzing crustacean olfaction, such as crayfish and spiny lobsters. Crustaceans bear multiple parallel chemosensory pathways represented by different populations of unimodal chemosensory and bimodal chemo- and mechanosensory sensilla on the mouthparts, the walking limbs and primarily on their two pairs of antennae. Here, we focus on the olfactory pathway associated with the unimodal chemosensory sensilla on the first antennal pair, the aesthetascs...
November 29, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29184057/the-effects-of-pi3k-mediated-signalling-on-glioblastoma-cell-behaviour
#11
Julia Langhans, Lukas Schneele, Nancy Trenkler, Hélène von Bandemer, Lisa Nonnenmacher, Georg Karpel-Massler, Markus D Siegelin, Shaoxia Zhou, Marc-Eric Halatsch, Klaus-Michael Debatin, Mike-Andrew Westhoff
The PI3K/Akt/mTOR signalling network is activated in almost 90% of all glioblastoma, the most common primary brain tumour, which is almost invariably lethal within 15 months of diagnosis. Despite intensive research, modulation of this signalling cascade has so far yielded little therapeutic benefit, suggesting that the role of the PI3K network as a pro-survival factor in glioblastoma and therefore a potential target in combination therapy should be re-evaluated. Therefore, we used two distinct pharmacological inhibitors that block signalling at different points of the cascade, namely, GDC-0941 (Pictilisib), a direct inhibitor of the near apical PI3K, and Rapamycin which blocks the side arm of the network that is regulated by mTOR complex 1...
November 29, 2017: Oncogenesis
https://www.readbyqxmd.com/read/29179434/growth-of-malignant-extracranial-tumors-alters-micrornaome-in-the-prefrontal-cortex-of-tumorgraft-mice
#12
Anna Kovalchuk, Yaroslav Ilnytskyy, Rocio Rodriguez-Juarez, Amanda Katz, David Sidransky, Bryan Kolb, Olga Kovalchuk
A wide array of central nervous system complications, neurological deficits, and cognitive impairments occur and persist as a result of systemic cancer and cancer treatments. This condition is known as chemo brain and it affects over half of cancer survivors. Recent studies reported that cognitive impairments manifest before chemotherapy and are much broader than chemo brain alone, thereby adding in tumor brain as a component. The molecular mechanisms of chemo brain are under-investigated, and the mechanisms of tumor brain have not been analyzed at all...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29162424/injectable-hydrogels-for-localized-chemo-and-radio-therapy-in-brain-tumors
#13
Pilar de la Puente, Nicole Fettig, Micah J Luderer, Abbey Jin, Shruti Shah, Barbara Muz, Vaishali Kapoor, Sreekrishna M Goddu, Noha Nabil Salama, Christina Tsien, Dinesh Thotala, Kooresh Shoghi, Buck Rogers, Abdel Kareem Azab
PURPOSE: Overall survival of patients with newly diagnosed glioblastoma (GBM) remains dismal at 16 months with state-of-the-art treatment that includes surgical resection, radiation and chemotherapy. GBM tumors are highly heterogeneous and mechanisms for overcoming tumor resistance have not yet fully been elucidated. An injectable chitosan hydrogel capable of releasing chemotherapy (Temozolomide, TMZ) while retaining radioactive isotopes agents (Iodine, (131)I) was used as a vehicle for localized radiation and chemotherapy, within the surgical cavity...
November 18, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29156557/the-invasive-region-of-glioblastoma-defined-by-5ala-guided-surgery-has-an-altered-cancer-stem-cell-marker-profile-compared-to-central-tumour
#14
Stuart J Smith, Mohammed Diksin, Saachi Chhaya, Shwetha Sairam, Maria A Estevez-Cebrero, Ruman Rahman
Glioblastoma, a WHO grade IV astrocytoma, is a highly aggressive and heterogeneous tumour that infiltrates deeply into surrounding brain parenchyma, making complete surgical resection impossible. Despite chemo-radiotherapy, the residual cell population within brain parenchyma post-surgery causes inevitable recurrence. Previously, the tumour core has been the focus of research and the basis for targeted therapeutic regimes, which have failed to improve survival in clinical trials. Here, we focus on the invasive margin as defined by the region with 5-aminolevulinic acid (5ALA) (GliolanTM) fluorescence at surgery beyond the T1 enhancing region on magnetic resonance imaging (MRI)...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29145972/cancer-immunotherapy-getting-brainy-visualizing-the-distinctive-cns-metastatic-niche-to-illuminate-therapeutic-resistance
#15
Mark Owyong, Niloufar Hosseini-Nassab, Gizem Efe, Alexander Honkala, Renske J E van den Bijgaart, Vicki Plaks, Bryan Ronain Smith
The advent of cancer immunotherapy (CIT) and its success in treating primary and metastatic cancer may offer substantially improved outcomes for patients. Despite recent advancements, many malignancies remain resistant to CIT, among which are brain metastases, a particularly virulent disease with no apparent cure. The immunologically unique niche of the brain has prompted compelling new questions in immuno-oncology such as the effects of tissue-specific differences in immune response, heterogeneity between primary tumors and distant metastases, and the role of spatiotemporal dynamics in shaping an effective anti-tumor immune response...
November 2017: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/29081734/different-effects-of-human-umbilical-cord-mesenchymal-stem-cells-on-glioblastoma-stem-cells-by-direct-cell-interaction-or-via-released-soluble-factors
#16
Adriana Bajetto, Alessandra Pattarozzi, Alessandro Corsaro, Federica Barbieri, Antonio Daga, Alessia Bosio, Monica Gatti, Valerio Pisaturo, Rodolfo Sirito, Tullio Florio
Glioblastoma (GBM), the most common primary brain tumor in adults, is an aggressive, fast-growing and highly vascularized tumor, characterized by extensive invasiveness and local recurrence. In GBM and other malignancies, cancer stem cells (CSCs) are believed to drive invasive tumor growth and recurrence, being responsible for radio- and chemo-therapy resistance. Mesenchymal stem cells (MSCs) are multipotent progenitors that exhibit tropism for tumor microenvironment mediated by cytokines, chemokines and growth factors...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29069598/brain-wide-mapping-of-endogenous-serotonergic-transmission-via-chemogenetic-fmri
#17
Andrea Giorgi, Sara Migliarini, Alberto Galbusera, Giacomo Maddaloni, Maddalena Mereu, Giulia Margiani, Marta Gritti, Silvia Landi, Francesco Trovato, Sine Mandrup Bertozzi, Andrea Armirotti, Gian Michele Ratto, Maria Antonietta De Luca, Raffaella Tonini, Alessandro Gozzi, Massimo Pasqualetti
Serotonin-producing neurons profusely innervate brain regions via long-range projections. However, it remains unclear whether and how endogenous serotonergic transmission specifically influences regional or global functional activity. We combined designed receptors exclusively activated by designed drugs (DREADD)-based chemogenetics and functional magnetic resonance imaging (fMRI), an approach we term "chemo-fMRI," to causally probe the brain-wide substrates modulated by endogenous serotonergic activity...
October 24, 2017: Cell Reports
https://www.readbyqxmd.com/read/29053791/pharmacological-targeting-of-apelin-impairs-glioblastoma-growth
#18
Elizabeth Harford-Wright, Gwennan Andre-Gregoire, Kathryn A Jacobs, Lucas Treps, Sophie Le Gonidec, Heloise M Leclair, Sara Gonzalez-Diest, Quentin Roux, François Guillonneau, Delphine Loussouarn, Lisa Oliver, François M Vallette, Fabienne Foufelle, Philippe Valet, Anthony P Davenport, Robert C Glen, Nicolas Bidere, Julie Gavard
Glioblastoma are highly aggressive brain tumours that are associated with an extremely poor prognosis. Within these tumours exists a subpopulation of highly plastic self-renewing cancer cells that retain the ability to expand ex vivo as tumourspheres, induce tumour growth in mice, and have been implicated in radio- and chemo-resistance. Although their identity and fate are regulated by external cues emanating from endothelial cells, the nature of such signals remains unknown. Here, we used a mass spectrometry proteomic approach to characterize the factors released by brain endothelial cells...
November 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29030124/targeting-nitric-oxide-and-nmda-receptor-associated-pathways-in-treatment-of-high-grade-glial-tumors-hypotheses-for-nitro-memantine-and-nitrones
#19
REVIEW
Meric A Altinoz, İlhan Elmaci
Glioblastoma multiforme (GBM) is a devastating brain cancer with no curative treatment. Targeting Nitric Oxide (NO) and glutamatergic pathways may help as adjunctive treatments in GBM. NO at low doses promotes tumorigenesis, while at higher levels (above 300 nM) triggers apoptosis. Gliomas actively secrete high amounts of glutamate which activates EGR signaling and mediates degradation of peritumoral tissues via excitotoxic injury. Memantine inhibits NMDA-subtype of glutamate receptors (NMDARs) and induces autophagic death of glioma cells in vitro and blocks glioma growth in vivo...
October 10, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29022380/curcumin-or-bisdemethoxycurcumin-for-nose-to-brain-treatment-of-alzheimer-disease-a-bio-chemo-informatics-case-study
#20
Rania M Hathout, Sherweit H El-Ahmady, AbdelKader A Metwally
The current study introduces a new idea of utilising several bio/chemoinformatics tools in comparing two bio-similar natural molecules viz. curcumin and bisdemethoxycurcumin (BDMC) in order to select a potential nose-to-brain remedy for Alzheimer disease. The comparison comprised several bio/chemo informatics tools. It encompassed all levels starting from loading the drug in a certain carrier; PLGA nanoparticles, to the biopharmaceutical level investigating the interaction with mucin and inhibition of P-gp blood-brain barrier efflux pumps...
October 12, 2017: Natural Product Research
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