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https://www.readbyqxmd.com/read/29229442/quantitative-analysis-of-tnf-%C3%AE-il-4-and-il-10-expression-nitric-oxide-response-and-apoptosis-in-encephalitozoon-cuniculi-infected-rabbits
#1
Alicia M Nevárez-Garza, Uziel Castillo-Velázquez, Adolfo Soto-Domínguez, R Montes-de-Oca-Luna, Diana E Zamora-Ávila, Alfredo Wong-González, Luis E Rodríguez-Tovar
The expression of tumor necrosis factor (TNF) -α, interleukin (IL) -4 and IL-10, as well as apoptosis and nitric oxide (NO) levels were measured in the brain and kidneys of immunocompetent and immunosuppressed New Zealand White rabbits infected with Encephalitozoon cuniculi. All of the animals had clinical signs histopathological lesions compatible with encephalitozoonosis and were E. cuniculi-positive by using a carbon immunoassay test. Encephalitozoon cuniculi infection promoted the expression of TNF-α and NO production in the kidneys of infected rabbits, and a synergic effect was observed in animal treated with dexamethasone...
December 8, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29226620/comparative-potency-of-obeticholic-acid-and-natural-bile-acids-on-fxr-in-hepatic-and-intestinal-in%C3%A2-vitro-cell-models
#2
Yuanyuan Zhang, Carl LaCerte, Sanjay Kansra, Jonathan P Jackson, Kenneth R Brouwer, Jeffrey E Edwards
Obeticholic acid (OCA) is a semisynthetic farnesoid X receptor (FXR) agonist, an analogue of chenodeoxycholic acid (CDCA) which is indicated for the treatment of primary biliary cholangitis (PBC) in combination with ursodeoxycholic acid (UDCA). OCA efficiently inhibits bile acid synthesis and promotes bile acid efflux via activating FXR-mediated mechanisms in a physiologically relevant in vitro cell system, Sandwich-cultured Transporter Certified ™ human primary hepatocytes (SCHH). The study herein evaluated the effects of UDCA alone or in combination with OCA in SCHH...
December 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/29223410/characteristics-of-computed-tomography-perfusion-parameters-in-non-small-cell-lung-cancer-and-its-relationship-to-histology-size-stage-an-treatment-response
#3
Carmen Trinidad López, Miguel Souto Bayarri, Roque Oca Pernas, Carlos Delgado Sánchez-Gracián, Maria González Vázquez, Antonio Vaamonde Liste, Gonzalo Tardáguila De La Fuente, Javier De La Fuente Aguado
OBJECTIVES: To analyze computed tomography perfusion (CTP) parameters in NSCLC. MATERIALS AND METHODS: Prospective study, 152 patients with NSCLC. CTP parameters were correlated with histology, stage, size and response to conventional chemotherapy/radiotherapy. RESULTS: Neuroendocrine tumours presented higher BV (p 0.002). Negative correlation of PMB (p 0.003) and positive of MTT (p 0.046) with T stage was found. BF showed negative correlation with size...
December 5, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29221650/-immunohistochemistry-using-clone-ve1-is-an-economic-specific-and-sensitive-method-for-detecting-the-presence-of-brafv600e-mutations-in-melanoma
#4
M Etienne, F Oca, D Prunier-Mirebeau, A Croué, L Martin
BACKGROUND: Determination of BRAF mutation status is mandatory in the management of patients with inoperable stage IIIC or stage IV melanoma. Currently, molecular biology (MB) has been validated for detecting the presence of BRAF mutations. OBJECTIVE: To compare the sensitivity, specificity and cost of immunohistochemistry (IHC) (clone VE1) versus BM methods (qPCR and Sanger sequencing). PATIENTS AND METHODS: All the samples for which BRAF mutation status was requested between March 2013 and February 2015 at the cellular and molecular analysis laboratory of the Angers Hospital were included retrospectively and consecutively...
December 5, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29210221/heart-rate-sensitive-optical-coherence-angiography-for-measuring-vascular-changes-due-to-posttraumatic-brain-injury-in-mice
#5
Jordi L Tremoleda, Karl Alvarez, Abdirahman Aden, Robert Donnan, Adina T Michael-Titus, Peter H Tomlins
Traumatic brain injury (TBI) results in direct vascular disruption, triggering edema, and reduction in cerebral blood flow. Therefore, understanding the pathophysiology of brain microcirculation following TBI is important for the development of effective therapies. Optical coherence angiography (OCA) is a promising tool for evaluating TBI in rodent models. We develop an approach to OCA that uses the heart-rate frequency to discriminate between static tissue and vasculature. This method operates on intensity data and is therefore not phase sensitive...
December 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29208542/antibiotics-susceptibility-of-quinolones-against-salmonella-spp-strains-isolated-and-molecular-sequenced-from-pigs-target-gyra-gene-detection
#6
Guadalupe Patricia Macías Farrera, Roberto Montes de Oca Jiménez, Jorge Varela Guerrero, Esvieta Tenorio Borroto, Fabiola Rivera Ramírez, Humberto Gustavo Monroy Salazar, Gilberto Yong Angel, Abdelfattah Z M Salem
Drug-resistant Salmonella is frequently detected in most parts of the world, and its rate of resistance has increased significantly in recent years. However, this study aimed to evaluate the minimum inhibitory concentration (MIC, determined with the Kirby-Bauer method) of quinolones in 86 Salmonella spp. strains isolated from pigs. Both the inside and outside of the QRDR region of strains were sequenced. The DNA sequence of the QRDR region of Salmonella spp. revealed the mutations S83F, D87N and S83Y. The region outside the QRDR showed a mutation in L582G...
December 2, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29199107/species-limits-in-the-morelet-s-alligator-lizard-anguidae-gerrhonotinae
#7
Israel Solano-Zavaleta, Adrián Nieto-Montes de Oca
The widely distributed, Central American anguid lizard Mesaspis moreletii is currently recognized as a polytypic species with five subspecies (M. m. fulvus, M. m. moreletii, M. m. rafaeli, M. m. salvadorensis, and M. m. temporalis). We reevaluated the species limits within Mesaspis moreletii using DNA sequences of one mitochondrial and three nuclear genes. The multi-locus data set included samples of all of the subspecies of M. moreletii, the other species of Mesaspis in Central America (M. cuchumatanus and M...
November 30, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29195732/does-treatment-of-the-tibia-matter-in-bipolar-chondral-defects-of-the-knee-clinical-outcomes-with-greater-than-two-years-follow-up
#8
Charles P Hannon, Alexander E Weber, Matthew Gitelis, Maximillian A Meyer, Adam B Yanke, Brian J Cole
PURPOSE: To compare the osteochondral allograft (OCA) outcomes of bipolar defects with isolated femoral defects and to investigate the optimal treatment of bipolar defects by comparing femoral OCA with tibial debridement to femoral OCA and tibial microfracture. METHODS: A series of patients with 2-year follow-up from March 2004 to September 2015 after femoral OCA for bipolar chondral defects was identified. Group 1 contained patients with tibial defects treated with debridement and group 2 contained patients with microfractured tibial defects...
November 28, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29190194/what-is-your-diagnosis
#9
Francesca Samarani, Sònia Añor, Martí Pumarola, Ignacio Montes de Oca, Francisco Fernández, Cristian de la Fuente
No abstract text is available yet for this article.
December 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29185781/osteochondral-allograft-transplantation-of-the-knee-in-patients-aged-40-years-and-older
#10
Dean Wang, Vivek Kalia, Claire D Eliasberg, Tim Wang, Francesca R Coxe, Mollyann D Pais, Scott A Rodeo, Riley J Williams
BACKGROUND: Treatment of large chondral defects of the knee among patients aged ≥40 years remains a difficult clinical challenge owing to preexisting joint degeneration and the lack of treatment options short of arthroplasty. PURPOSE: To characterize the survivorship, predictors of failure, and clinical outcomes of osteochondral allograft transplantation (OCA) of the knee among patients aged ≥40 years. STUDY DESIGN: Case series; Level of evidence, 4...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29174575/obeticholic-acid-protects-mice-against-lipopolysaccharide-induced-liver-injury-and-inflammation
#11
Xi Xiong, Yuqian Ren, Yun Cui, Rui Li, Chunxia Wang, Yucai Zhang
BACKGROUND: Cholestasis, as a main manifestation, induces liver injury during sepsis. The farnesoid X receptor (FXR) plays an important role in regulating bile acid homeostasis. Whether FXR activation by its agonist obeticholic acid (OCA) is contributed to improve sepsis-induced liver injury remains unknown. OBJECTIVE: The aim of the present study was to investigate the effect of OCA on lipopolysaccharide (LPS)-induced acute liver injury in mice. RESULTS: 8-week old male C57BL/6J mice were randomly divided into control group, LPS group, oral OCA group and LPS plus oral OCA (LPS + OCA) group...
November 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29166640/lactic-acid-bacteria-from-andean-grain-amaranth-a-source-of-vitamins-and-functional-value-enzymes
#12
Silvana L Carrizo, Cecilia E Montes de Oca, María Elvira Hébert, Lucila Saavedra, Graciela Vignolo, Jean Guy LeBlanc, Graciela Celestina Rollán
Amaranth is a rediscovered pseudocereal with high nutritional properties. Lactic acid fermentation can increase the functional and nutritional value of foods. The aims of this study were to isolate and evaluate the functionality of lactic acid bacteria (LAB) from amaranth. LAB strains (n = 29) isolated from amaranth sourdough and grains included Lactobacillus (L.) plantarum (n = 8), L. rhamnosus (n = 6), Enterococcus (E.) mundtii (n = 4), E. hermanniensis (n = 3), E. durans (n = 1), Enterococcus sp. (n = 1), Leuconostoc (Lc...
November 23, 2017: Journal of Molecular Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29155143/obeticholic-acid-raises-ldl-cholesterol-and-reduces-hdl-cholesterol-in-the-diet-induced-nash-din-hamster-model
#13
François Briand, Emmanuel Brousseau, Marjolaine Quinsat, Rémy Burcelin, Thierry Sulpice
The use of rat and mouse models limits the translation to humans for developing novel drugs targeting nonalcoholic steatohepatitis (NASH). Obeticholic acid (OCA) illustrates this limitation since its dyslipidemic effect in humans cannot be observed in these rodents. Conversely, Golden Syrian hamsters have a lipoprotein metabolism mimicking human dyslipidemia since it does express the cholesteryl ester transfer protein (CETP). We therefore developed a Diet-induced NASH (DIN) hamster model and evaluated the impact of OCA...
November 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29154957/the-ying-yang-of-inflammatory-status-blood-brain-barrier-regulation-during-sleep
#14
G Hurtado-Alvarado, E Becerril-Villanueva, A Contis-Montes de Oca, E Domínguez-Salazar, N Salinas-Jazmín, S M Pérez-Tapia, L Pavon, J Velázquez-Moctezuma, B Gómez-González
Sleep loss induces a low-grade inflammatory status characterized by a subtle but sustained increase of pro-inflammatory mediators, which are key regulators of blood-brain barrier function. To investigate the influence of inflammatory status on blood-brain barrier dysfunction induced by sleep restriction we performed an experiment using two strains of mice with different immunological backgrounds, C57BL/6 mice that have a predominant pro-inflammatory response and BALB/c mice that have a predominant anti-inflammatory response...
November 15, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29143065/-complex-joint-reconstruction-and-joint-transplantation-with-the-flocsat-concept-planning-and-surgical-implementation
#15
REVIEW
C Krettek, J-D Clausen, C Neunaber
Cartilage defects in adult patients are so far incurable. Fresh osteochondral allograft (OCA) transplantation is based on the insertion of mature, living, mechanically sound hyaline cartilage into an osteochondral defect where it undergoes osseointegration. Intact hyaline cartilage of OCA does not cause immune reactions in the recipient. Many reports show that small OCA have good osseointegration and show good long-term results. These observations have been incorporated into the development of the fresh large (> 10 cm(2)) osteochondral shell allograft transplantation (FLOCSAT) concept, which is based on the following principles: 1) the thickness of the osseous layer should be kept as thin as possible (target < 6-8 mm) so that the transplant remains stable and fixable...
November 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/29140978/adherence-to-inhaled-therapies-of-copd-patients-from-seven-latin-american-countries-the-lassyc-study
#16
Maria Montes de Oca, Ana Menezes, Fernando C Wehrmeister, Maria Victorina Lopez Varela, Alejandro Casas, Luis Ugalde, Alejandra Ramirez-Venegas, Laura Mendoza, Ana López, Filip Surmont, Marc Miravitlles
BACKGROUND: This study assessed the adherence profiles to inhaled therapies and the agreement between two patient self-report adherence methods in stable COPD lpatients from seven Latin American countries. METHODS: This observational, cross-sectional, multinational, multicenter study involved 795 COPD patients (post-bronchodilator forced expiratory volume in 1 second/forced vital capacity [FEV1/FVC] <0.70). Adherence to inhaled therapy was assessed using the specific Test of Adherence to Inhalers (10-item TAI) and the generic 8-item Morisky Medication Adherence Scale (MMAS-8) questionnaires...
2017: PloS One
https://www.readbyqxmd.com/read/29140738/do-outcomes-of-osteochondral-allograft-transplantation-differ-based-on-age-and-sex-a-comparative-matched-group-analysis
#17
Rachel M Frank, Eric J Cotter, Simon Lee, Sarah Poland, Brian J Cole
BACKGROUND: The effect of patient age or sex on outcomes after osteochondral allograft transplantation (OCA) has not been assessed. PURPOSE: To determine clinical outcomes for male and female patients aged ≥40 years undergoing OCA compared with a group of patients aged <40 years. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: A review of prospectively collected data of consecutive patients who underwent OCA by a single surgeon with a minimum follow-up of 2 years was conducted...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29138892/-partial-and-complete-joint-transplantation-with-fresh-osteochondral-allografts-the-flocsat-concept
#18
REVIEW
C Krettek, J-D Clausen, N Bruns, C Neunaber
Cartilage defects in adult patients do not heal well. Fresh osteochondral allograft (OCA) transplantation is based on mature, living, mechanically sound hyaline cartilage attached to a bone interface, which is brought into an osteochondral defect, where it becomes osseointegrated. According to current knowledge, intact hyaline cartilage tissue is immune privileged and does not, in contrast to bone, meniscus or ligaments, cause an immune reaction. The technique has the unique advantage of transplanting viable, mature and mechanically stable hyaline cartilage into the affected area...
November 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/29135141/-effectiveness-of-omnic-and-omnic-ocas-in-patients-with-lower-urinary-tract-symptoms-secondary-to-benign-prostatic-hyperplasia-multi-center-observing-program
#19
B U Shalekenov, Y A Kuandykov, S B Shalekenov
AIM: To investigate the effectiveness and safety of six-month treatment course of Omnic and Omnic Ocas in patients with lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH) in a routine urology practice in Kazakhstan. DESIGN: This was a multicenter prospective observational program involving the collection of data from patients with LUTS caused by BPH, who received Omnic Ocas or Omnic as the first line treatment. MATERIALS AND METHODS: The program comprised 1513 patients with a verified diagnosis of LUTS/BPH, who received Omnic Ocas or Omnic (tamsulosin) administered by urologists at hospitals in the Republic of Kazakhstan...
October 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29124646/metal-availability-soil-nutrient-and-enzyme-activity-in-response-to-application-of-organic-amendments-in-cd-contaminated-soil
#20
Zhanbiao Yang, Lixia Liu, Yanfeng Lv, Zhang Cheng, Xiaoxun Xu, Junren Xian, Xuemei Zhu, Yuanxiang Yang
The study investigated the effects of organic amendments: green tea amendment (GTA) and oil cake amendment (OCA) on Cd bioavailability, soil nutrients, and soil enzyme activity in Cd-contaminated soil. The amendments were added to the soil at the doses of 1, 3, and 5% and were incubated for 45 days. Then, pakchoi cabbage was planted to test the remediation effect of the above two organic amendments. The diethylenetriaminepentaacetic acid (DTPA)-extractable Cd in GTA and OCA treatments was reduced by 14.69-27...
November 10, 2017: Environmental Science and Pollution Research International
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