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https://www.readbyqxmd.com/read/28424078/interleukin-6-displays-lung-anti-inflammatory-properties-and-exerts-protective-hemodynamic-effects-in-a-double-hit-murine-acute-lung-injury
#1
Guillaume Voiriot, Keyvan Razazi, Valérie Amsellem, Jeanne Tran Van Nhieu, Shariq Abid, Serge Adnot, Armand Mekontso Dessap, Bernard Maitre
BACKGROUND: Interleukin 6 (IL-6) is a predictive factor of poor prognosis in patients with acute respiratory distress syndrome (ARDS). However, its acute pulmonary hemodynamic effects and role in lung injury have not been investigated in a clinically relevant murine model of ARDS. METHODS: We used adult C57Bl6 wild-type (WT) and IL-6 knock-out (IL-6KO) mice. The animals received intravenous recombinant human IL-6 (rHuIL-6) or vehicle followed by intratracheal lipopolysaccharide (LPS) or saline before undergoing low tidal volume mechanical ventilation (MV) for 5 h...
April 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28416758/synergistic-interactions-between-plk1-and-hdac-inhibitors-in-non-hodgkin-s-lymphoma-cells-occur-in-vitro-and-in-vivo-and-proceed-through-multiple-mechanisms
#2
Tri Nguyen, Rebecca Parker, Elisa Hawkins, Beata Holkova, Victor Yazbeck, Akhil Kolluri, Maciej Kmieciak, Mohamed Rahmani, Steven Grant
Interactions between the polo-like kinase 1 (PLK1) inhibitor volasertib and the histone deacetylase inhibitor (HDACI) belinostat were examined in diffuse large B-cell lymphoma (DLBCL) and mantle cell lymphoma (MCL) cells in vitro and in vivo. Exposure of DLBCL cells to very low concentrations of volasertib in combination with belinostat synergistically increased cell death (apoptosis). Similar interactions occurred in GC-, ABC-, double-hit DLBCL cells, MCL cells, bortezomib-resistant cells and primary lymphoma cells...
February 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28400483/somatic-and-inherited-mutations-in-primary-aldosteronism
#3
Fabio Luiz Fernandes-Rosa, Sheerazed Boulkroun, Maria-Christina Zennaro
Primary aldosteronism (PA), the most common form of secondary hypertension, is caused in the majority of cases by unilateral aldosterone producing adenoma (APA) or bilateral adrenal hyperplasia. In the last years, recurrent somatic mutations in KCNJ5, CACNA1D, ATP1A1, and ATP2B3 were proved to be associated with APA development, explaining more than 50% of sporadic APA. The identification of these mutations have allowed the establishment of a model for APA development involving modifications in the intracellular ionic equilibrium and in the regulation of cell membrane potential, leading to autonomous aldosterone overproduction...
April 11, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28398499/outcome-of-elderly-patients-with-diffuse-large-b-cell-lymphoma-treated-with-r-chop-results-from-the-uk-ncri-r-chop14v21-trial-with-combined-analysis-of-molecular-characteristics-with-the-dshnhl-ricover-60-trial
#4
A Kühnl, D Cunningham, N Counsell, E A Hawkes, W Qian, P Smith, N Chadwick, A Lawrie, P Mouncey, A Jack, C Pocock, K M Ardeshna, J Radford, A McMillan, J Davies, D Turner, A Kruger, P Johnson, J Gambell, A Rosenwald, G Ott, H Horn, M Ziepert, M Pfreundschuh, D Linch
BACKGROUND: There is an on-going debate whether 2- or 3-weekly administration of R-CHOP is the preferred first-line treatment for elderly patients with diffuse large B-cell lymphoma (DLBCL). The UK NCRI R-CHOP14v21 randomized phase 3 trial did not demonstrate a difference in outcomes between R-CHOP-14 and R-CHOP-21 in newly diagnosed DLBCL patients aged 19-88 years, but data on elderly patients have not been reported in detail so far. Here, we provide a subgroup analysis of patients ≥60 years treated on the R-CHOP14v21 trial with extended follow-up...
April 7, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28382141/overexpression-of-myc-and-bcl2-predicts-poor-prognosis-in-patients-with-extranodal-nk-t-cell-lymphoma-nasal-type
#5
Jing-Hua Wang, Xi-Wen Bi, Peng-Fei Li, Zhong-Jun Xia, Hui-Qiang Huang, Wen-Qi Jiang, Yu-Jing Zhang, Liang Wang
Background: Recently double-hit lymphoma or double protein expressor lymphoma has been identified as a distinct group of diffuse large B cell lymphoma with poor prognosis. However, the expression status, clinical and prognostic effect of combined overexpression of MYC and BCL2 in extranodal NK/T-cell lymphoma, nasal type (ENKTL) are not known. Materials and methods: Paraffin-embedded lymphoma samples from 53 patients with newly diagnosed ENKTL were studied using immunohistochemistry for MYC and BCL2, and fluorescent in situ hybridization (FISH) for MYC and BCL2 were done on 5 tissue sections with highest percentages of both MYC and BCL2 positive lymphoma cells...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28379189/the-role-of-c-myc-in-b-cell-lymphomas-diagnostic-and-molecular-aspects
#6
REVIEW
Lynh Nguyen, Peter Papenhausen, Haipeng Shao
c-MYC is one of the most essential transcriptional factors, regulating a diverse array of cellular functions, including proliferation, growth, and apoptosis. Dysregulation of c-MYC is essential in the pathogenesis of a number of B-cell lymphomas, but is rarely reported in T-cell lymphomas. c-MYC dysregulation induces lymphomagenesis by loss of the tight control of c-MYC expression, leading to overexpression of intact c-MYC protein, in contrast to the somatic mutations or fusion proteins seen in many other oncogenes...
April 5, 2017: Genes
https://www.readbyqxmd.com/read/28357165/persistent-afebrile-abdominal-pain-an-unusual-case-of-segmental-colitis-in-an-immunocompromised-host
#7
Ilias P Papakonstantinou, Emmanuel A Andreadis
In this report we describe a case of a 66-year-old woman who presented with right upper quadrant abdominal pain and bloody diarrhea. A workup revealed immunodeficiency, an immunologic profile with low complement levels resembling systemic lupus erythematosus, and a circumferential colonic wall lesion located in the ascending colon. After endoscopy and biopsy, the mass lesion was attributed to "double hit" diffuse large B-cell lymphoma, categorized as high grade large B-cell non-Hodgkin lymphoma according to the most recent revised 2016 World Health Organisation classification and considered to be a rare and highly aggressive tumor...
February 16, 2017: Curēus
https://www.readbyqxmd.com/read/28326081/the-smac-mimetic-bv6-improves-nk-cell-mediated-killing-of-rhabdomyosarcoma-cells-by-simultaneously-targeting-tumor-and-effector-cells
#8
Kyra Fischer, Sara Tognarelli, Stefanie Roesler, Cathinka Boedicker, Ralf Schubert, Alexander Steinle, Thomas Klingebiel, Peter Bader, Simone Fulda, Evelyn Ullrich
Rhabdomyosarcoma (RMS), the most common cancer of connective tissues in pediatrics, is often resistant to conventional therapies. One underlying mechanism of this resistance is the overexpression of Inhibitor of Apoptosis (IAP) proteins, leading to a dysfunctional cell death program within tumor cells. Smac mimetics (SM) are small molecules that can reactivate the cell death program by antagonizing IAP proteins and thereby compensating their overexpression. Here, we report that SM sensitize two RMS cell lines (RD and RH30) toward natural killer (NK) cell-mediated killing on the one hand, and increase the cytotoxic potential of NK cells on the other...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28325854/the-effect-of-diabetes-on-cortical-function-in-stroke-implications-for-post-stroke-plasticity
#9
William Huynh, Natalie Kwai, Ria Arnold, Arun V Krishnan, Cindy S-Y Lin, Steve Vucic, Matthew C Kiernan
Diabetes may impair the capacity for neuroplasticity such that patients experience a slower and poorer recovery after stroke. The current study aimed to investigate changes in cortical function in stroke patients with diabetes to determine how this comorbidity may impact post-stroke cortical plasticity and thereby functional recovery. From a cohort of 57 participants, threshold-tracking transcranial magnetic stimulation was utilised to assess cortical function over the ipsi- and contralesional hemispheres in 7 diabetic patients following an acute stroke, and compared to 12 stroke patients without diabetes...
March 21, 2017: Diabetes
https://www.readbyqxmd.com/read/28321092/refractory-double-hit-lymphoma-leukemia-in-childhood-mimicking-b-precursor-acute-lymphoblastic-leukemia-at-initial-presentation
#10
Suguru Uemura, Daiichiro Hasegawa, Takehito Yokoi, Nanako Nino, Teppei Tahara, Akihiro Tamura, Atsuro Saito, Aiko Kozaki, Kenji Kishimoto, Toshiaki Ishida, Keiichiro Kawasaki, Nobuyuki Yamamoto, Takeshi Mori, Noriyuki Nishimura, Yoshiyuki Kosaka
A 10-year-old girl was referred to our hospital with left preauricular adenopathy and gingival swelling. She was diagnosed with B-cell precursor acute lymphoblastic leukemia (BCP-ALL) based on being positive for expressions of CD10, CD19, TdT and HLA-DR. She showed no CD20 expression at the time of diagnosis. Based on the initial diagnosis of BCP-ALL, induction chemotherapy for BCP-ALL was initiated. However, the blasts did not disappear from her peripheral blood. Bone marrow examination on day 33 identified 81...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28318085/inflammatory-double-hit-model-of-temporomandibular-joint-disorder-with-elevated-ccl2-cxcl9-cxcl10-rantes-and-behavioural-hypersensitivity-in-tnfr1-r2-mice
#11
S L McIlwrath, R Nesemeier, F Ma, H S Oz, L Zhang, K N Westlund
BACKGROUND: Patients with temporomandibular joint disorders (TMD), reactive arthritis and rheumatoid arthritis often have combined etiology of hereditary and microenvironmental factors contributing to joint pain. Multiple clinical and animal studies indicate 'double-hit' inflammatory insults can cause chronic inflammation. The first inflammatory insult primes the immune system and subsequent insults elicit amplified responses. The present 'double hit' study produced a chronic orofacial pain model in mice with genetic deletion of both TNFα receptors (TNFR1/R2-/-), investigating the main nociceptive signalling pathways in comparisons to wild type mice...
March 20, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28315787/the-synergistic-influence-of-ischemic-time-and-surgical-precision-on-acute-kidney-injury-after-robotic-partial-nephrectomy
#12
Julien Dagenais, Matt Maurice, Pascal Mouracade, Onder Kara, Ryan Nelson, Ercan Malkoc, Jihad Kaouk
OBJECTIVES: To examine the dynamic and potentially synergistic influence of warm ischemia time (WIT) and excisional volume loss (EVL) on predicted rates of post-partial acute kidney injury (AKI) across a range of tumor complexities. To investigate whether these modifiable variables sensitize the kidney to the other's damaging influence. METHODS: We retrospectively reviewed 1,245 patients between 2006 and 2016 with bilateral kidneys and enhancing renal masses in our single-institution robotic partial nephrectomy (PN) database...
March 15, 2017: Urology
https://www.readbyqxmd.com/read/28270865/obstructive-sleep-apnoea-hypopnoea-syndrome-in-adults-with-down-syndrome
#13
REVIEW
Elizabeth A Hill
KEY POINTS: Adults with Down syndrome are predisposed to obstructive sleep apnoea/hypopnoea syndrome (OSAHS) due to overlap between the Down syndrome phenotype and OSAHS risk factors.The prevalence of OSAHS in adults with Down syndrome is estimated at 35-42%. This is up to ten-times higher than in the general adult population.Symptoms of OSAHS, including behavioural and emotional disturbances as well as standard symptoms such as sleepiness, should be monitored as part of regular health surveillance in adults with Down syndrome...
December 2016: Breathe
https://www.readbyqxmd.com/read/28258977/different-sensitivities-of-photosystem-ii-in-green-algae-and-cyanobacteria-to-phenylurea-and-phenol-type-herbicides-effect-on-electron-donor-side
#14
Ekaterina K Yotsova, Martin A Stefanov, Anelia G Dobrikova, Emilia L Apostolova
The effects of short-term treatment with phenylurea (DCMU, isoproturon) and phenol-type (ioxynil) herbicides on the green alga Chlorella kessleri and the cyanobacterium Synechocystis salina with different organizations of photosystem II (PSII) were investigated using pulse amplitude modulated (PAM) chlorophyll fluorescence and photosynthetic oxygen evolution measured by polarographic oxygen electrodes (Clark-type and Joliot-type). The photosynthetic oxygen evolution showed stronger inhibition than the PSII photochemistry...
March 4, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28243583/cerebral-palsy-trends-in-epidemiology-and-recent-development-in-prenatal-mechanisms-of-disease-treatment-and-prevention
#15
REVIEW
Moshe Stavsky, Omer Mor, Salvatore Andrea Mastrolia, Shirley Greenbaum, Nandor Gabor Than, Offer Erez
Cerebral palsy (CP) is the most common motor disability in childhood. This syndrome is the manifestation of intrauterine pathologies, intrapartum complications, and the postnatal sequel, especially among preterm neonates. A double hit model theory is proposed suggesting that an intrauterine condition along with intrapartum or postnatal insult lead to the development of CP. Recent reports demonstrated that treatment during the process of preterm birth such as magnesium sulfate and postnatal modalities such as cooling may prevent or reduce the prevalence of this syndrome...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28229364/molecular-subtyping-in-diffuse-large-b-cell-lymphoma-closer-to-an-approach-of-precision-therapy
#16
REVIEW
Reem Karmali, Leo I Gordon
It has become clear that there is immense biological heterogeneity in diffuse large B cell lymphoma (DLBCL). Developing technology has allowed better characterization of patient subsets at a molecular level, allowing for a link of phenotype and clinical outcomes to oncogenic mechanisms and biologic signatures. Cell of origin and double hit status are able to identify aggressive subsets, with molecular profiling allowing for a clearer understanding of biologic pathways that contribute to cellular resistance to conventional treatment in these subsets...
February 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28220866/the-correlation-and-risk-factors-between-carotid-intima-media-thickening-and-alcoholic-liver-disease-coupled-with-helicobacter-pylori-infection
#17
Qu Bao-Ge, Wang Hui, Jia Yi-Guo, Su Ji-Liang, Wang Zhong-Dong, Wang Ya-Fei, Han Xing-Hai, Liu Yuan-Xun, Pan Jin-Dun, Ren Guang-Ying
The aim of this study was to explore the associations and differences in influencing factors between alcoholic liver disease (ALD) coupled with Helicobacter pylori infection and atherosclerosis and to determine whether there is a "double hit phenomenon" in atherosclerosis patients with ALD and H. pylori infections. Included cases (n = 160) were categorized into 4 groups: 41 cases of ALD coupled with H. pylori infections (group A), 35 cases of H. pylori infections without ALD (group B), 37 cases of ALD without H...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28212368/aggressive-b-cell-lymphoma-the-double-hit-and-double-expressor-phenotypes
#18
Sonali M Smith
No abstract text is available yet for this article.
January 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28168164/vdac-tubulin-an-anti-warburg-pro-oxidant-switch
#19
REVIEW
Eduardo N Maldonado
Aerobic enhanced glycolysis characterizes the Warburg phenotype. In cancer cells, suppression of mitochondrial metabolism contributes to maintain a low ATP/ADP ratio that favors glycolysis. We propose that the voltage-dependent anion channel (VDAC) located in the mitochondrial outer membrane is a metabolic link between glycolysis and oxidative phosphorylation in the Warburg phenotype. Most metabolites including respiratory substrates, ADP, and Pi enter mitochondria only through VDAC. Oxidation of respiratory substrates in the Krebs cycle generates NADH that enters the electron transport chain (ETC) to generate a proton motive force utilized to generate ATP and to maintain mitochondrial membrane potential (ΔΨ)...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28061782/double-hit-lymphomas-clinical-morphological-immunohistochemical-and-cytogenetic-study-in-a-series-of-brazilian-patients-with-high-grade-non-hodgkin-lymphoma
#20
Cristiano Claudino Oliveira, Helena Maciel-Guerra, Luan Kucko, Eric Jun Hirama, Américo Delgado Brilhante, Francisco Carlos Quevedo, Isabela Werneck da Cunha, Fernando Augusto Soares, Ligia Niero-Melo, Patrícia Pintor Dos Reis, Maria Aparecida Custodio Domingues
BACKGROUND: Double-hit lymphomas (DHL) are rare high-grade neoplasms characterized by two translocations: one involving the gene MYC and another involving genes BCL2 or BCL6, whose diagnosis depends on cytogenetic examination. This research studied DHL and morphological and/or immunophenotypic factors associated with the detection of these translocations in a group of high-grade non-Hodgkin lymphoma cases. METHOD: Clinical and morphological reviews of 120 cases diagnosed with diffuse large B-cell lymphoma and Burkitt lymphoma were conducted...
January 7, 2017: Diagnostic Pathology
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