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https://www.readbyqxmd.com/read/28340490/a-novel-method-of-neo-osseous-flap-prefabrication-induction-of-free-calvarial-periosteum-with-bioactive-glass
#1
Ali Aliyev, Omer Ekin, Ozan Bitik, Gokhan Tuncbilek
Background Reconstruction of craniofacial bone defects is a primary focus of craniofacial surgery. Although autogenous bone grafts remain as the gold standard, alloplastic materials have also gained widespread popularity due to their off-the-shelf availability, ease of use, and durability. In addition to replacing the missing bone, some of these alloplastic materials have also been found to induce new bone formation. Objectives In this study, the phenomenon of neo-osseous induction with bioactive glass was investigated for different implant-soft tissue configurations...
March 24, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28340455/toxicological-and-behavioral-responses-as-a-tool-to-assess-the-effects-of-natural-and-synthetic-dyes-on-zebrafish-early-life
#2
Flavia R Abe, Jacqueline N Mendonça, Luiz A B Moraes, Gisele A R de Oliveira, Carlos Gravato, Amadeu M V M Soares, Danielle P de Oliveira
Organic dyes extracted from natural sources have been widely used to develop safety and eco-friendly dyes as an alternative to synthetic ones, since the latter are usually precursors of mutagenic compounds. Thereby, toxicity tests to non-target organisms are critical step to develop harmless dyes to environment and in this context, zebrafish early life stages are becoming an important alternative model. We aimed to assess the toxic effects of the synthetic dye Basic Red 51 (BR51, used in cosmetic industry), the natural dye erythrostominone (ERY, a potential commercial dye extracted from fungi) and its photodegradation product (DERY), using zebrafish early life assays...
March 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/28340427/identification-and-characterization-of-a-%C3%AE-defensin-gene-involved-in-the-immune-defense-response-of-channel-catfish-ictalurus-punctatus
#3
Jieyao Zhu, Hong Wang, Jun Wang, Xingli Wang, Shuang Peng, Yi Geng, Kaiyu Wang, Pin Ouyang, Zhiqiong Li, Xiaoli Huang, Defang Chen
Antimicrobial peptides are small peptides that play important roles in a host's innate immune response. As an important antimicrobial peptide, β-defensin widely distribute in mammals, insects and plants with broad-spectrum antimicrobial activity. In this study, the β-defensin gene of the channel catfish, Ictalurus punctatus, was cloned, sequenced, and subjected to a bioinformatic analysis. The β-defensin gene of the channel catfish contains three exons and two introns, and encodes a precursor peptide consisting of two domains: a signal peptide of 24 amino acid residues and a mature peptide of 43 amino acid residues...
March 21, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28340377/possible-protective-effect-of-royal-jelly-against-cyclophosphamide-induced-prostatic-damage-in-male-albino-rats-a-biochemical-histological-and-immuno-histo-chemical-study
#4
Sara Mohammed Naguib Abdel-Hafez, Rehab Ahmed Rifaai, Walaa Yehia Abdelzaher
Almost all the chemotherapy treat many cancer types effectively, but it leads to severe side effects. Chemotherapy like cyclophosphamide (CP) not works only on the active cells, such as cancer cells, but also acts on the healthy cells. Royal jelly (RJ) was reported to have a lot of therapeutic effects besides being an anti-oxidant and anti-cancer agent. The purpose of this study was to assess the possible protective role of RJ in ameliorating the toxic effects of CP overdose in the rat prostatic tissue. The rats were separated into 4 groups; control group, RJ group, CP group and RJ with CP group...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340376/linarin-could-protect-myocardial-tissue-from-the-injury-of-ischemia-reperfusion-through-activating-nrf-2
#5
Qian Yu, Xin Li, Xia Cao
OBJECTIVES: As we all know, oxidative stress was one of the most important causes of ischemia-reperfusion injury. And it was reported that Nrf-2 as an important regulator for oxidative stress could be activated by Linarin. Thus it would be interesting to find whether Linarin could inhibit ischemia-reperfusion injury through activating Nrf-2. METHODS: In this study, cell activity was detected by MTT assay and caspase-3 activity detection kit. And the expressions or activities of some signal proteins were evaluated by western-blot or activity detection kits...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340374/ebola-virus-persistence-as-a-new-focus-in-clinical-research
#6
REVIEW
Katie Caviness, Jens H Kuhn, Gustavo Palacios
Ebola virus (EBOV) causes severe acute human disease with high lethality. Viremia is typical during the acute disease phase. However, EBOV RNA can remain detectable in immune-privileged tissues for prolonged periods of time after clearance from the blood, suggesting EBOV may persist during convalescence and thereafter. Eliminating persistent EBOV is important to ensure full recovery of survivors and decrease the risk of outbreak re-ignition caused by EBOV spread from apparently healthy survivors to naive contacts...
March 21, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28340347/rejuvenation-by-therapeutic-elimination-of-senescent-cells
#7
Paul Krimpenfort, Anton Berns
In this issue of Cell, Baar et al. show how FOXO4 protects senescent cell viability by keeping p53 sequestered in nuclear bodies, preventing it from inducing apoptosis. Disrupting this interaction with an all-D amino acid peptide (FOXO4-DRI) restores p53's apoptotic role and ameliorates the consequences of senescence-associated loss of tissue homeostasis.
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340339/targeted-apoptosis-of-senescent-cells-restores-tissue-homeostasis-in-response-to-chemotoxicity-and-aging
#8
Marjolein P Baar, Renata M C Brandt, Diana A Putavet, Julian D D Klein, Kasper W J Derks, Benjamin R M Bourgeois, Sarah Stryeck, Yvonne Rijksen, Hester van Willigenburg, Danny A Feijtel, Ingrid van der Pluijm, Jeroen Essers, Wiggert A van Cappellen, Wilfred F van IJcken, Adriaan B Houtsmuller, Joris Pothof, Ron W F de Bruin, Tobias Madl, Jan H J Hoeijmakers, Judith Campisi, Peter L J de Keizer
The accumulation of irreparable cellular damage restricts healthspan after acute stress or natural aging. Senescent cells are thought to impair tissue function, and their genetic clearance can delay features of aging. Identifying how senescent cells avoid apoptosis allows for the prospective design of anti-senescence compounds to address whether homeostasis can also be restored. Here, we identify FOXO4 as a pivot in senescent cell viability. We designed a FOXO4 peptide that perturbs the FOXO4 interaction with p53...
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340320/protective-effects-of-alpha-lipoic-acid-on-methotrexate-induced-oxidative-lung-injury-in-rats
#9
Huseyin Arpag, Mehmet Gül, Yusuf Aydemir, Nurhan Atilla, Birgül Yiğitcan, Tugrul Cakir, Cemal Polat, Özer Þehirli, Muhammet Sayan
OBJECTIVE: Oxidative stress is one of the major causes of methotrexate induced lung injury (MILI). Alpha-lipoic acid (ALA), which occurs naturally in human food, has antioxidative and anti-inflammatory activities. The aim of this study was to research the potential protective role of ALA on MILI in rats. METHODS: Twenty one rats were randomly subdivided into three groups: control (group I), methotrexate (MTX) treated (group II), and MTX+ALA treated (group III). Lung injury was performed with a single dose of MTX (20 mg/kg) to groups 2 and 3...
March 24, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28340289/remote-ischaemic-conditioning-decreases-blood-flow-and-improves-oxygen-extraction-in-patients-with-early-complex-regional-pain-syndrome
#10
T Hegelmaier, N Kumowski, T Mainka, J Vollert, O Goertz, M Lehnhardt, P K Zahn, C Maier, J Kolbenschlag
BACKGROUND: Remote ischaemic conditioning (RIC) is the cyclic application of non-damaging ischaemia leading to an increased tissue perfusion, among others triggered by NO (monoxide). Complex regional pain syndrome (CRPS) is known to have vascular alterations such as increased blood shunting and decreased NO blood-levels, which in turn lead to decreased tissue perfusion. We therefore hypothesized that RIC could improve tissue perfusion in CRPS. METHOD: In this proof-of-concept study, RIC was applied in the following groups: in 21 patients with early CRPS with a clinical history less than a year, in 20 age/sex-matched controls and in 12 patients with unilateral nerve lesions via a tourniquet on the unaffected/non-dominant upper limb...
March 24, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28340271/snp-detection-using-rna-sequences-of-candidate-genes-associated-with-puberty-in-cattle
#11
M M Dias, A Cánovas, C Mantilla-Rojas, D G Riley, P Luna-Nevarez, S J Coleman, S E Speidel, R M Enns, A Islas-Trejo, J F Medrano, S S Moore, M R S Fortes, L T Nguyen, B Venus, I S D P Diaz, F R P Souza, L F S Fonseca, F Baldi, L G Albuquerque, M G Thomas, H N Oliveira
Fertility traits, such as heifer pregnancy, are economically important in cattle production systems, and are therefore, used in genetic selection programs. The aim of this study was to identify single nucleotide polymorphisms (SNPs) using RNA-sequencing (RNA-Seq) data from ovary, uterus, endometrium, pituitary gland, hypothalamus, liver, longissimus dorsi muscle, and adipose tissue in 62 candidate genes associated with heifer puberty in cattle. RNA-Seq reads were assembled to the bovine reference genome (UMD 3...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340228/dual-immunostain-with-satb2-and-ck20-differentiates-appendiceal-mucinous-neoplasms-from-ovarian-mucinous-neoplasms
#12
Zaibo Li, Rachel Roth, Jonathan B Rock, Amy Lehman, William L Marsh, Adrian Suarez, Wendy L Frankel
Objectives: Determination of the primary site of origin for mucinous neoplasms identified in the peritoneal and/or pelvic cavities may be challenging, with major differential diagnoses including appendiceal mucinous neoplasm (AMN) and ovarian mucinous neoplasm (OMN). Special AT-rich sequence binding protein 2 (SATB2) has been shown to be highly selectively expressed in the lower gastrointestinal tract, including the appendix. Methods: We investigated the utility of a dual stain (DS) with SATB2 or caudal type homeobox 2 (CDX2) and cytokeratin 20 (CK20) or villin in distinguishing AMNs from OMNs...
March 18, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340200/cytokines-profile-in-immunocompetent-mice-during-trichosporon-asahii-infection
#13
Alexandra M Montoya, Gloria M González, Azalia M Martinez-Castilla, Sonia A Aguilar, Moises A Franco-Molina, Erika Coronado-Cerda, Adrián G Rosas-Taraco
Trichosporon asahii is an opportunistic yeastlike fungus commonly associated with systemic infections in immunocompromised patients. Neutropenia is recognized as the main risk factor in infections by T. asahii; however, little is known about the cytokine response during trichosporonosis. Here, we evaluated systemic and local cytokine production and histological damage in immunocompetent mice during systemic infection with T. asahii. We found a significant increased presence of G-CSF, TNF-α, IFN-γ, and IL-6 in sera samples...
March 15, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28340181/different-expression-patterns-of-sperm-motility-related-genes-in-testis-of-diploid-and-tetraploid-cyprinid-fish1
#14
Fangzhou Hu, Kang Xu, Yunfan Zhou, Chang Wu, Shi Wang, Jun Xiao, Min Wen, Rurong Zhao, Kaikun Luo, Min Tao, Wei Duan, Shaojun Liu
Sperm motility is an important standard to measure the fertility of male. In our previous study, we found that the diploid spermatozoa from allotetraploid hybrid (4nAT) had longer durations of rapid and slow progressive motility than haploid spermatozoa from common carp (COC). In this study, to explore sperm motility-related molecular mechanisms, we compared the testis tissues transcriptomes from two years old male COC and 4nAT. The RNA-seq data revealed that 2985 genes were differentially expressed between COC and 4nAT, including 2216 up-regulated and 769 down-regulated genes in 4nAT...
March 7, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28340171/immunohistochemical-approach-to-the-differential-diagnosis-of-meningiomas-and-their-mimics
#15
Camille Boulagnon-Rombi, Clémence Fleury, Caroline Fichel, Sophie Lefour, Aude Marchal Bressenot, Guillaume Gauchotte
The differential diagnosis between meningioma and others tumors can be challenging. This study aimed to evaluate different immunohistochemical markers for the differential diagnosis between meningioma and their morphological mimics. Immunohistochemistry was performed on tissue microarray with antiepithelial membrane antigen (EMA), progesterone receptor, somatostatin receptor 2A (SSTR2A), CD34, STAT6, S100, SOX10, HMB45, MelanA, GFAP, inhibin, and BCL2 antibodies. One hundred and twenty-seven meningiomas, 26 solitary fibrous tumor/hemangiopericytomas (SFT/HPC), 39 schwannomas, 17 hemangioblastomas, 21 melanomas, 9 gliosarcomas, 5 neurofibromas, 9 peripheral primitive neuroectodermal tumors, 7 synovial sarcomas, and 5 malignant peripheral nerve sheath tumors were included in the microarray...
March 14, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28340157/cervical-lateral-glide-neural-mobilization-is-effective-in-treating-cervicobrachial-pain-a-randomized-waiting-list-controlled-clinical-trial
#16
David Rodríguez-Sanz, César Calvo-Lobo, Francisco Unda-Solano, Irene Sanz-Corbalán, Carlos Romero-Morales, Daniel López-López
Background.:  Cervicobrachial pain (CP) is a high-incidence and prevalent condition. Cervical lateral glide (CLG) is a firstline treatment of CP. There is a current lack of enough high-quality randomized controlled double-blind clinical trials that measure the effectiveness of neural tissue mobilization techniques such as the CLG and its specific effect over CP. Objectives.:  The aim of the present study was to assess the effect of CLG neural mobilization in treating subjects who suffer from CP, compared with the complete absence of treatment...
March 13, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28340139/assessment-of-acute-kidney-injury-in-rhabdomyolytic-mice-by-transcutaneous-measurement-of-sinistrin-excretion
#17
Aldo Moggio, Stefania Geraci, Alberto Boido, Carsten Sticht, Norbert Gretz, Benedetta Bussolati
Background: . Early and accurate assessment of renal function is required for the successful detection and treatment of acute kidney injury (AKI). However, only retention parameters such as plasma urea and creatinine, and the indirect estimation of glomerular filtration rate are commonly available. Methods.: Here, we measured the kinetics of plasma fluorescein isothiocyanate (FITC)-sinistrin excretion to detect alterations of renal function over time in a murine model of rhabdomyolysis-induced AKI...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28340105/morin-stain-detects-aluminum-containing-macrophages-in-macrophagic-myofasciitis-and-vaccination-granuloma-with-high-sensitivity-and-specificity
#18
Rati Chkheidze, Dennis K Burns, Charles L White, Diana Castro, Julie Fuller, Chunyu Cai
Macrophagic myofasciitis (MMF) is an inflammatory condition associated with the intramuscular (i.m.) injection of aluminum adjuvant-containing vaccines. It is clinically characterized by myalgia, weakness, and chronic fatigue and histologically by aggregates of cohesive macrophages with abundant basophilic, periodic acid-Schiff (PAS)-positive, diastase-resistant granules that percolate through the peri- and endomysium without eliciting substantial myofiber damage. The definitive diagnosis of MMF requires demonstration of aluminum within these macrophages...
March 15, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28340100/glioblastoma-stem-cell-differentiation-into-endothelial-cells-evidenced-through-live-cell-imaging
#19
Xin Mei, Yin-Sheng Chen, Fu-Rong Chen, Shao-Yan Xi, Zhong-Ping Chen
Background.: Glioblastoma cell-initiated vascularization is an alternative angiogenesis called vasculogenic mimicry. However, current knowledge on the mechanism of de novo vessel formation from glioblastoma stem cells (GSCs) is limited. Methods.: Sixty-four glioblastoma samples from patients and 10 fluorescent glioma xenograft samples were examined by immunofluorescence staining for endothelial marker (CD34 and CD31) and glial cell marker (glial fibrillary acidic protein [GFAP]) expression...
March 8, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28340081/retroocular-and-subdural-hemorrhage-or-hemosiderin-deposits-in-pediatric-autopsies
#20
Marc R Del Bigio, Susan M Phillips
The presence of hemosiderin in the optic nerve sheath and/or retina is sometimes used to estimate the timing of injury in infants or children with suspected non-accidental head trauma. To determine the prevalence of hemosiderin in deaths not associated with trauma, we performed a prospective study of retroocular orbital tissue, cranial convexity, and cervical spinal cord dura mater in infants and children <2.5 years age. In 53 cases of non-traumatic death, approximately 70% had blood or hemosiderin within the orbital fat, ocular muscles, and parasagittal cranial and/or cervical spinal subdural compartment...
March 14, 2017: Journal of Neuropathology and Experimental Neurology
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