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Study of the most frequent natural tooth colors in the Spanish population using spectrophotometry
Gomez-Polo, Cristina,Gomez-Polo, Miguel,Martinez Vazquez de Parga, Juan Antonio,Celemin Vinuela, Alicia The Korean Academy of Prosthodonitics 2015 The Journal of Advanced Prosthodontics Vol.7 No.6
PURPOSE. To identify the most frequent natural tooth colors using the Easyshade Compact (Vita -Zahnfabrik) spectrophotometer on a sample of the Spanish population according to the 3D Master System. MATERIALS AND METHODS. The middle third of the facial surface of natural maxillary central incisors was measured with an Easyshade Compact spectrophotometer (Vita Zahnfabrik) in 1361 Caucasian Spanish participants aged between 16 and 89 years. Natural tooth color was recorded using the 3D Master System nomenclature. The program used for the present descriptive statistical analysis of the results was SAS 9.1.3. RESULTS. The results show that the most frequent dental color in the total sample studied is 3M1 (7.05%), followed by the intermediate shade 1M1.5 (6.91%) and 2L1.5 (6.02%). CONCLUSION. According to the research methodology used, and taking into account the limitations of this study, it can be proposed that the most frequent color among the Spanish population is 3M1; the most common lightness group is 2; the most frequent hue group according to the 3D Master System is M and the most frequent chroma group is 1.5.
Poster Session : PS 0725 ; Rheumatology ; Case Report: Elderly-Onset Systemic Lupus Erythematosus
( Ruben Gomez ),( Ericka Carrillo ),( Filiberto Gomez ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Elderly onset SLE contributes to 10% of all SLE and is considered a rare disease, the signs and symptoms are common to other more frequent diseases in this age so the differential diagnosis is wide and could represent a great clinical challenge. We report two cases, one patient presented with data of serositis, acute renal failure and glomerulonephritis; while the other had evidence of cerebral vasculitis. Case 1: 60 year old male with 6 months of asthenia, malaise and early-morning bilateral limb edema, received treatment with diuretics without improvement, presenting arterial hypertension. He was admitted with IV NYHA class Congestive HF and left pleural effusion. Laboratory reported Hb 14. 3 g/dl, leucocytes 5750 (normal differential count), ESR of 50 mm/h, creatinine 2. 1 mg/dl, urea 60 mg/dl, urinalysis was positive for albumin, hemoglobin and granular casts; GFR 35 ml/min, and 24-hour albuminuria 3. 8 g. ECHO showed a 68% LVEF and 150 ml pericardial effusion. Immunologic profi le showed positive ANA (1:140), positive anti-dsDNA (1:60), and positive anti-SM (1:65). Kidney biopsy showed focal-segmental glomerulonephritis. Case 2: 68 year-old female positive for Diabetes Mellitus and Arterial Hypertension treated with glibenclamide and captopril. She presented at ER with diplopia, bilateral internuclear ophthalmoplegia and bilateral limb paraparesis, initial head CT-scan was normal, so she was admitted to the hospital. A second simple and contrasted head CT-scan was also normal, then the head MRI showed vasculitis and the brain SPECT revealed hypocaptating areas in midbrain, frontal and parietal cortex. Laboratory reported Hb 13. 3 g/dl, leucocytes 2578, glycose 145 mg/dl, normal creatinine, hepatic profi le and urinalysis. Immunologic profi le reported negative ANA, positive anti-dsDNA (1:95) and positive anti-SM (1:120). Both patients received treatment with Cyclophosphamide and Methylprednisolone with great response.
Tumor Suppressor Gene Therapy Strategies in Human Brain Tumor
Gomez-Manzano, Candeleria,Kyritsis, Athanassios,Alfred Yung, W. K.,Fueyo, Juan 가톨릭 의과학연구원 1997 가톨릭 의과학연구원 국제학술대회 Vol.1 No.-
Wild-type p53 is involved in several aspects of cell cycle control and suppression of transformation. inducing either apoptosis or G block in cell cycle progression. Using a recombinant adenovirus containting the wild-type p53 cDNA, the biological effects of the newly expressed wild-type p53 protein were examined in six human glioma cell lines. Three cell lines(U-251 MG. U0373 MG. and A-172) expressed endogenous mutant p53. and the other three(U-87 MG EFC-2, and D54 MG) expressed wild-type p53. The restoration of normal p53-encoded protein in the mutant cell lines induecd apoptosis as assessed by morphological studies using nuclear staining. electron microscopy. and flow cytometric assays. In wild-type p53 cell lines. However, the over expression of wild-type p53 did not result in apoptosis but inhibited cellular proliferation rather drastically and modified the neoplastic phenotype. This study shows that over-expression of wild-type p53 protein by an adenoviral vector induces apoptosis in mutant glioma cells as well as growth arrest in wild-type glioma cells.
Gomez, S.,Angeles, M.L.,Mojica, M.C.,Jalukar, S. Asian Australasian Association of Animal Productio 2012 Animal Bioscience Vol.25 No.5
A balance trial experiment was carried out to evaluate the potential relationship between an enzymatically hydrolyzed yeast (EHY) and yeast culture combined with a live Bacillus subtilis (Bs) on the productive parameters, ileal digestibility, retention of nutrient and energy and villus morphology in broilers. Seventy two 28 d old, Ross B308 male broilers were assigned to a factorial combination of 2 levels of EHY (0 and 1 kg/ton of feed) and 2 levels of Bs (0 and 125 g/ton of feed). The experiment lasted 2 weeks. Several treatment interactions were observed. EHY-fed broilers showed the lowest feed intake and feed conversion ratio whereas Bs-fed broilers showed the highest feed intake and intermediate feed conversion ratio (EHY and BS interaction, p<0.05). Also, EHY-fed broilers had greater ileal digestibility of dry matter (EHY and BS interaction, p<0.01) and energy (EHY and BS interaction, p<0.05) but these responses were counterbalanced by the combination of EHY and Bs. The thickness of the mucosa was similar between the control and EHY-fed broilers, but was lowest when Bs was added alone (EHY and BS interaction, p<0.01). The thickness of the villus was greater in EHY plus Bs-fed broilers, intermediate for the control and lower for Bs or EHY-fed broilers (EHY and BS interaction, p<0.05). The area of the villus was greater in the control and EHY plus Bs-fed broilers (EHY and BS interaction, p<0.05). In addition, EHY-fed broilers showed greater breast yield and nitrogen retention (p<0.01) and ashes digestibility (p<0.05). On the other hand, Bs-fed broilers had greater carcass and breast weight, nitrogen retention, energy excretion and villus height (p<0.05). In summary, EHY and Bs enhanced some growth, carcass and nutrient retention responses, but did not show any synergic relationship in these responses. Opposite to this, the results suggest that the positive effect of EHY on the feed conversion and digestibility of nutrients were counterbalanced by the addition of Bs.
Enabling role of hybrid simulation across NEES in advancing earthquake engineering
Gomez, Daniel,Dyke, Shirley J.,Maghareh, Amin Techno-Press 2015 Smart Structures and Systems, An International Jou Vol.15 No.3
Hybrid simulation is increasingly being recognized as a powerful technique for laboratory testing. It offers the opportunity for global system evaluation of civil infrastructure systems subject to extreme dynamic loading, often with a significant reduction in time and cost. In this approach, a reference structure/system is partitioned into two or more substructures. The portion of the structural system designated as 'physical' or 'experimental' is tested in the laboratory, while other portions are replaced with a computational model. Many researchers have quite effectively used hybrid simulation (HS) and real-time hybrid simulation (RTHS) methods for examination and verification of existing and new design concepts and proposed structural systems or devices. This paper provides a detailed perspective of the enabling role that HS and RTHS methods have played in advancing the practice of earthquake engineering. Herein, our focus is on investigations related to earthquake engineering, those with CURATED data available in their entirety in the NEES Data Repository.
Gymnodinioid Dinoflagellates (Gymnodiniales, Dinophyceae) in the Open Pacific Ocean
Gomez, Fernando The Korean Society of Phycology 2007 ALGAE Vol.22 No.4
Records of selected gymnodinioid dinoflagellates from the open waters in the vicinity of the Kuroshio and Oyashio Currents, the Philippine, Celebes, Sulu and South China Seas, western and central equatorial and southeast Pacific Ocean are described and illustrated. The species Gymnodinium fusus Schütt, Gyrodinium falcatum Kofoid et Swezy, G. caudatum Kofoid et Swezy, G. sugashimanii J. Cachon et al. and Pseliodinium vaubanii Sournia are considered to be morphotypes of a single species, that until further studies can establish the correct genus, are named G. falcatum. This study is the first to record individuals of G. falcatum with very long curly extensions. Other gymnodinioid dinoflagellates that showed bifurcated hyposomes may be related to Gyrodinium bifurcatum Kofoid et Swezy or cells of thecate dinoflagellates exuviated from their thecae. Some specimens showed a rigid cover, although no discernible thecal plates. In this group, the most common species was Ptychodiscus noctiluca Stein and, for the first time, a micrograph of a tentative specimen of the genus Berghiella Kofoid et Michener is reported. The validity of the genera Berghiella and Balechina Loeblich Jr. et Loeblich III with thick cell covers is discussed. Several species with apical extensions, other unknown taxa with distinctive shapes, and colonial forms are illustrated. The diversity of gymnodinioid dinoflagellates is underinvestigated in the open ocean.