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https://www.readbyqxmd.com/read/29469219/erdheim-chester-disease-description-of-2-illustrative-cases-involving-the-lung
#1
Magda Zanelli, Maxwell Smith, Maria Cecilia Mengoli, Lucia Spaggiari, Loredana De Marco, Filippo Lococo, Francesco Puma, Stefano Ascani
Erdheim Chester disease represents a clonal systemic proliferation of histiocytes. Bone is the most common site of involvement, although virtually any organ, including lungs, can be affected. The diagnosis of Erdheim Chester disease can be difficult due to its rarity and protean presentation. The correlation between clinical, radiological and histological findings is mandatory for the identification of the disease. Foamy histiocytes, lacking Langerhans cells markers, represent the typical histological findings, although their absence does not rule out Erdheim Chester disease...
February 22, 2018: Histopathology
https://www.readbyqxmd.com/read/29455672/non-abl-directed-inhibitors-as-alternative-treatment-strategies-for-chronic-myeloid-leukemia
#2
REVIEW
Michele Massimino, Stefania Stella, Elena Tirrò, Chiara Romano, Maria Stella Pennisi, Adriana Puma, Livia Manzella, Antonino Zanghì, Fabio Stagno, Francesco Di Raimondo, Paolo Vigneri
The introduction of ABL Tyrosine Kinase Inhibitors (TKIs) has significantly improved the outcome of Chronic Myeloid Leukemia (CML) patients that, in large part, achieve satisfactory hematological, cytogenetic and molecular remissions. However, approximately 15-20% fail to obtain optimal responses according to the current European Leukemia Network recommendation because of drug intolerance or resistance.Moreover, a plethora of evidence suggests that Leukemic Stem Cells (LSCs) show BCR-ABL1-independent survival...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29443312/erratum-puma-mediates-the-anti-cancer-effect-of-osimertinib-in-colon-cancer-cells-corrigendum
#3
(no author information available yet)
[This corrects the article on p. 5281 in vol. 10, PMID: 29138581.].
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29427970/removal-of-antiretroviral-drugs-stavudine-and-zidovudine-in-water-under-uv254-and-uv254-h2o2-processes-quantum-yields-kinetics-and-ecotoxicology-assessment
#4
Danilo Russo, Antonietta Siciliano, Marco Guida, Roberto Andreozzi, Nuno M Reis, Gianluca Li Puma, Raffaele Marotta
The concentration of antiretroviral drugs in wastewater treatment plants (WWTP) effluents and surface waters of many countries has increased significantly due to their widespread use for HIV treatment. In this study, the removal of stavudine and zidovudine under UV254 photolysis or UV254/H2O2 was investigated in a microcapillary film (MCF) photoreactor, using minimal water samples quantities. The UV254 quantum yield of zidovudine, (2.357 ± 0.0589)·10-2 mol ein-1 (pH 4.0-8.0), was 28-fold higher that the yield of stavudine (8...
February 7, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29414394/importin-%C3%AE-and-exportin-5-are-strong-biomarkers-of-productive-reoviral-infection-of-cancer-cells
#5
Gerard Nuovo, Hue Tran, Andres Gutierrez, Paolo Fadda, Flavia Pichiorri, Enrico Caserta, Craig C Hofmeister, Marta Chesi, P Leif Bergsagel, Don Morris, Qiao Shi, Matt Coffey, Chandini Thirukkumaran
Acute reoviral infection has been extensively studied given the virus's propensity to target malignant cells and activate caspase-3 mediated apoptosis. Reovirus infection of malignant N1E-115 mouse neuroblastoma cells led to significant increased expression of importin-β and exportin-5 mRNAs (qRTPCR) and proteins (immunohistochemistry) which was partially blocked by small interfering LNA oligomers directed against the reoviral genome. Co-expression analysis showed that the N1E-115 cells that contained reoviral capsid protein had accumulated importin-β and exportin-5, as well as activated caspase 3...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29403549/observational-analysis-on-inflammatory-reaction-to-talc-pleurodesis-small-and-large-animal-model-series-review
#6
Jacopo Vannucci, Guido Bellezza, Alberto Matricardi, Giulia Moretti, Antonello Bufalari, Lucio Cagini, Francesco Puma, Niccolò Daddi
Talc pleurodesis has been associated with pleuropulmonary damage, particularly long-term damage due to its inert nature. The present model series review aimed to assess the safety of this procedure by examining inflammatory stimulus, biocompatibility and tissue reaction following talc pleurodesis. Talc slurry was performed in rabbits: 200 mg/kg checked at postoperative day 14 (five models), 200 mg/kg checked at postoperative day 28 (five models), 40 mg/kg, checked at postoperative day 14 (five models), 40 mg/kg checked at postoperative day 28 (five models)...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29383169/p53-derived-hybrid-peptides-induce-apoptosis-of-synovial-fibroblasts-in-the-rheumatoid-joint
#7
Shih-Yao Chen, Ai-Li Shiau, Chao-Liang Wu, Chrong-Reen Wang
Loss of p53-mediated suppression by its dominant-negative counterpart is commonly observed in human cancers, and activating p73 is a therapeutic strategy in p53-mutated oncological patients. In synovial fibroblasts (SFs) from rheumatoid arthritis (RA), mutant p53 can lead to the transformation-like features with resistance to the apoptosis induction. We examined whether intra-articular (i.a.) administration of p53-derived hybrid peptides to activate p73 can induce apoptosis of SFs by using adenoviral vectors encoding 37 amino acid (Ad37AA), a p53-derived hybrid peptide capable of activating p73, to transduce SFs in vitro and inject collagen-induced arthritis (CIA) joints in vivo...
December 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29383150/molecular-crosstalk-between-ferroptosis-and-apoptosis-emerging-role-of-er-stress-induced-p53-independent-puma-expression
#8
Se Hoon Hong, Dae-Hee Lee, Young-Sun Lee, Min Jee Jo, Yoon A Jeong, William T Kwon, Haroon A Choudry, David L Bartlett, Yong J Lee
Ferroptosis is a type of programmed cell death that depends on iron and is characterized by the accumulation of lipid peroxides. In the present study, we investigated the nature of the interplay between ferroptosis and other forms of cell death such as apoptosis. Human pancreatic cancer PANC-1 and BxPC-3 and human colorectal cancer HCT116 cells were treated with ferroptotic agents such as erastin and artesunate (ART) in combination with the apoptotic agent tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)...
December 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29380374/hunger-mediates-apex-predator-s-risk-avoidance-response-in-wildland-urban-interface
#9
Kevin A Blecha, Randall B Boone, Mathew W Alldredge
1.Conflicts between large mammalian predators and humans present a challenge to conservation efforts, as these events drive human attitudes and policies concerning predator species. Unfortunately, generalities portrayed in many empirical carnivore landscape selection studies do not provide an explanation for a predator's occasional use of residential development preceding a carnivore-human conflict event. In some cases, predators may perceive residential development as a risk-reward tradeoff. 2.We examine whether state dependent mortality-risk sensitive foraging can explain an apex carnivore's (Puma concolor) occasional utilization of residential areas...
January 30, 2018: Journal of Animal Ecology
https://www.readbyqxmd.com/read/29379688/are-pumas-subordinate-carnivores-and-does-it-matter
#10
L Mark Elbroch, Anna Kusler
Background: Interspecific competition affects species fitness, community assemblages and structure, and the geographic distributions of species. Established dominance hierarchies among species mitigate the need for fighting and contribute to the realized niche for subordinate species. This is especially important for apex predators, many of which simultaneous contend with the costs of competition with more dominant species and the costs associated with human hunting and lethal management...
2018: PeerJ
https://www.readbyqxmd.com/read/29374685/phosphaplatin-anti-tumor-effect-enhanced-by-liposomes-partly-via-an-up-regulation-of-pedf-in-breast-cancer
#11
Louiza Belkacemi, Jason L Atkins, L U Yang, Prajakta Gadgil, Amy K Sater, Diana S Chow, Rathindra N Bose, Shaun Xiaoliu Zhang
BACKGROUND/AIM: Phosphaplatin platinum (IV) (RRD4) complex has exceptional antitumor properties. The aim of this study was to investigate the effects and the mechanism of action of free and liposome-encapsulated RRD4 in breast cancer. MATERIALS AND METHODS: Liposome-encapsulated RRD4 prepared by thin-film dehydration: hydration and free RRD4 were tested in vivo and in vitro against 4T1 breast cancer cells. Cell proliferation, migration and viability were determined...
February 2018: Anticancer Research
https://www.readbyqxmd.com/read/29374168/downregulation-of-mcl-1-and-upregulation-of-puma-using-mtor-inhibitors-enhance-antitumor-efficacy-of-bh3-mimetics-in-triple-negative-breast-cancer
#12
Haolong Li, Lei Liu, Haocai Chang, Zhengzhi Zou, Da Xing
Triple-negative breast cancer (TNBC) shows a higher malignant and poorer clinical outcome compared with other breast cancer subtypes. Albeit that chemotherapy is the first choice for TNBC treatment, rapid emergence of chemoresistance and variability of chemotherapeutic responses in TNBC patients call for novel therapeutic strategies. Here, we reported evidences highlighting that combination of BH3 mimetics and mTOR inhibitors could be a promising therapeutic strategy to improve TNBC treatment. Our results showed that combination of the BH3 mimetic ABT263 and typical mTOR inhibitors, BEZ235 or AZD8055, leads to efficient apoptosis in vitro...
January 26, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29371613/the-mdm2-p53-pathway-is-involved-in-preconditioning-induced-neuronal-tolerance-to-ischemia
#13
Rebeca Vecino, Maria C Burguete, Teresa Jover-Mengual, Jesus Agulla, Verónica Bobo-Jiménez, Juan B Salom, Angeles Almeida, Maria Delgado-Esteban
Brain preconditioning (PC) refers to a state of transient tolerance against a lethal insult that can be evoked by a prior mild event. It is thought that PC may induce different pathways responsible for neuroprotection, which may involve the attenuation of cell damage pathways, including the apoptotic cell death. In this context, p53 is a stress sensor that accumulates during brain ischemia leading to neuronal death. The murine double minute 2 gene (MDM2), a p53-specific E3 ubiquitin ligase, is the main cellular antagonist of p53, mediating its degradation by the proteasome...
January 25, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29363716/apoptosis-induced-by-methanol-extract-of-potentilla%C3%A2-discolor-in-human-mucoepidermoid-carcinoma-cells-through-stat3-puma-signaling-axis
#14
Hyun-Ju Yu, Chi-Hyun Ahn, In-Hyoung Yang, Dong-Hoon Won, Bohwan Jin, Nam-Pyo Cho, Seong Doo Hong, Ji-Ae Shin, Sung-Dae Cho
Potentilla discolor has been used in traditional Chinese medicine for the treatment of hyperglycemia. However, the potential role of Potentilla discolor against cancer and its mode of action remain to be fully elucidated. The present study explored the apoptotic effect of methanol extract of Potentilla discolor (MEPD) in human mucoepidermoid carcinoma (MEC) cell lines of salivary glands. MEPD markedly suppressed the growth and induced apoptotic cell death in MC3 and YD15 cells. MEPD treatment significantly upregulated the expression of PUMA and reduced STAT3 phosphorylation...
January 22, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29362978/social-tolerance-in-not-so-social-pumas
#15
Jennifer Vonk
Elbroch, Levy, Lubell, Quigley, and Caragiulo (2017, Science Advances, 3, e170218) used GPS and motion-activated camera technology to track and rate the interactions between solitary wild pumas. They found that tolerance at feeding sites was not predicted by kinship but, rather, indicated the ability to engage in direct reciprocity, challenging previous assumptions about social cognition in solitary species.
January 23, 2018: Learning & Behavior
https://www.readbyqxmd.com/read/29360262/immunocompromised-patients-with-metastatic-cutaneous-nodal-squamous-cell-carcinoma-of-the-head-and-neck-poor-outcome-unrelated-to-the-index-lesion
#16
Johnson K S Lam, Puma Sundaresan, Val Gebski, Michael J Veness
BACKGROUND: Immunocompromised patients with metastatic cutaneous nodal head and neck squamous cell carcinoma (HNSCC) have worse outcomes compared to the immunocompetent. The purpose of this study was to investigate the characteristics of the primary cutaneous squamous cell carcinoma (SCC), nodal pathology, and outcome between these 2 groups. METHODS: Analysis of a prospective database was performed. A 2:1 pooled analysis selected 46 immunocompetent patients matched with 23 immunocompromised patients...
January 23, 2018: Head & Neck
https://www.readbyqxmd.com/read/29356908/potential-presence-of-metals-in-patients-treated-with-metal-metal-coupling-prostheses-for-hip-arthroplasty-at-7-and-10%C3%A2-years-of-follow-up
#17
Giuseppe Sessa, Gianluca Testa, Salvatore Gioitta Iachino, Luciano Costarella, Calogero Puma Pagliarello, Margherita Ferrante, Alfina Grasso, Vito Pavone
BACKGROUND: Beginning in 2008, metal-on-metal prostheses have been in the spotlight owing to much higher revision rates than expected. Adverse local tissue reactions have been well described in the literature as potential complications. METHODS: Between 2012 and 2013, 13 patients with metal-on-metal total hip replacements were evaluated clinically and radiologically and with laboratory samples. The same tests were repeated between 2015 and 2016 on eight patients to assess any changes...
January 22, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29356132/participatory-development-of-incentives-to-coexist-with-jaguars-and-pumas
#18
Ronit Amit, Susan K Jacobson
Reducing costs and increasing benefits for rural communities coexisting with large carnivores is necessary for conservation of jaguar (Panthera onca) and puma (Puma concolor). To design acceptable incentives, stakeholders must be involved in the process. We conducted an innovative structured group communication process, based on a Delphi technique, as a template for identifying potential incentives. Community workshops with 133 members of 7 communities and iterative surveys with 25 multidisciplinary experts from government, NGOs and academia provided iterative data to design a plan of incentives through 4 rounds of discussion...
January 22, 2018: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/29355113/mir-34-increases-in-vitro-panc-1-cell-sensitivity-to-gemcitabine-via-targeting-slug-puma
#19
Qing-An Zhang, Hai-Yan Xu, Dong Chen, Xiang Yan, Fu-Chun Jing, Hong-Qian Liu, Ronghua Zhang
miR-34 was deregulated in tumor tissues compared with corresponding noncancerous tissue samples. Furthermore, miR-34 may contribute to cancer-stromal interaction associated with cancer progression. However, whether miR-34 could decrease chemoresistance of cancer cells to chemotherapeutic agent remains unclear. In our study, we examined whether overexpression of miR-34 could sensitize gemcitabine -mediated apoptosis in human pancreatic cancer PANC-1 cells. We found that miR-34 markedly induced gemcitabine -mediated apoptosis in PANC-1 cells...
January 12, 2018: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29352138/mir-663-sustains-nsclc-by-inhibiting-mitochondrial-outer-membrane-permeabilization-momp-through-puma-bbc3-and-btg2
#20
Micol E Fiori, Lidia Villanova, Chiara Barbini, Maria Laura De Angelis, Ruggero De Maria
Treatment of lung cancer is an unmet need as it accounts for the majority of cancer deaths worldwide. The development of new therapies urges the identification of potential targets. MicroRNAs' expression is often deregulated in cancer and their modulation has been proposed as a successful strategy to interfere with tumor cell growth and spread. We recently reported on an unbiased high-content approach to identify miRNAs regulating cell proliferation and tumorigenesis in non-small cell lung cancer (NSCLC). Here we studied the oncogenic role of miR-663 in NSCLC biology and analyzed the therapeutic potential of miR-663 targeting...
January 19, 2018: Cell Death & Disease
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