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https://www.readbyqxmd.com/read/28303123/trichoderma-asperellum-t42-and-pseudomonas-fluorescens-okc-enhances-resistance-of-pea-against-erysiphe-pisi-through-enhanced-ros-generation-and-lignifications
#1
Jai S Patel, Ravindra N Kharwar, Harikesh B Singh, Ram S Upadhyay, Birinchi K Sarma
Plant signaling mechanisms are not completely understood in plant-fungal biotrophic pathogen interactions. Further how such interactions are influenced by compatible rhizosphere microbes are also not well-studied. Therefore, we explored the pea-Erysiphe pisi (obligate biotroph) system to understand the interaction and applied compatible rhizospheric bio-agents Trichoderma asperellum (T42) and Pseudomonas fluorescens (OKC) singly or in combination to assess their influence on the host while under the pathogen challenge...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28280759/immunohistochemical-comparison-of-the-expression-of-cd34-and-cd105-in-odontogenic-keratocyst-and-dentigerous-cyst
#2
Shokoofeh Jamshidi, Massoumeh Zargaran, Ghodratollah Roshanaei, Fatemeh Hadadi, Ali Dehghani Nazhvani
STATEMENT OF THE PROBLEM: Odontogenic keratocyst (OKC) is a developmental odontogenic cyst with specific histopathological features, high recurrence rate, and aggressive clinical behavior. Angiogenesis might be considered as an important factor for the growth, expansion, and distribution of this lesion. PURPOSE: The aim of the present study was to determine the mean vascular densities (MVD) of OKCs and dentigerous cysts to evaluate their relationship with the biologic behavior of these lesions...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28089087/prevalence-profile-of-odontogenic-cysts-and-tumors-on-brazilian-sample-after-the-reclassification-of-odontogenic-keratocyst
#3
Filipe Jaeger, Mariana Saturnino de Noronha, Maiza Luiza Vieira Silva, Márcio Bruno Figueiredo Amaral, Soraya de Mattos Carmago Grossmann, Martinho Campolina Rebello Horta, Paulo Eduardo Alencar de Souza, Maria Cássia Ferreira de Aguiar, Ricardo Alves Mesquita
PURPOSE: The aim of this study was to evaluate the impact of the reclassification of odontogenic keratocyst (OKC) as a tumor on the prevalence profile of odontogenic cysts (OCs) and odontogenic tumors (OTs). STUDY DESIGN: Two referral Oral and Maxillofacial Pathology services in Brazil were evaluated. All cases diagnosed as OCs or OTs were selected and classified according to the 1992 WHO-classification (cases before 2005 WHO classification of tumors excluding OKC) and the 2005 WHO classification of tumors, going forward including cases of odontogenic keratocyst tumor (KCOT)...
December 18, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28063998/inhibiting-ros-nf-%C3%AE%C2%BAb-dependent-autophagy-enhanced-brazilin-induced-apoptosis-in-head-and-neck-squamous-cell-carcinoma
#4
Zhi-Jing He, Fei-Ya Zhu, Shi-Sheng Li, Liang Zhong, Hong-Yu Tan, Kai Wang
Autophagy modulation has been considered a potential therapeutic strategy for head and neck squamous cell carcinoma (HNSCC). A previous study confirmed that brazilin might possess significant anti-carcinogenic activity. However, whether brazilin induces autophagy and its roles in cell death in HNSCC are still unclear. In this study, we have shown that brazilin induced significant apoptosis in the Cal27 HNSCC cell line but not in oral keratinocyte cell line (OKC). In addition to showing apoptosis induction, we demonstrated the brazilin-induced autophagic response in the Cal27 cells, as evidenced by the formation of GFP-LC3 puncta, and also showed the upregulation of LC3-II and Beclin-1...
March 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28038841/discontinuation-of-orthokeratology-on-eyeball-elongation-doee
#5
P Cho, S W Cheung
PURPOSE: To evaluate and compare changes in axial elongation, over a 14-month period, in subjects who discontinued and then resumed ortho-k lens wear with those who continued to wear their lenses or spectacles following a 2-year myopia control study. METHOD: This single masked, prospective study recruited subjects who had just completed a 2-year myopia control study. Ortho-k subjects were classified as Group OKc, in which subjects continued ortho-k lens wear for the duration of the study; or Group OKd in which subjects discontinued lens wear for seven months and wore single-vision spectacles (Phase I) and then resumed ortho-k lens wear for another seven months (Phase II)...
December 27, 2016: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/27992735/morphological-classification-of-odontogenic-keratocysts-using-bouligand-minkowski-fractal-descriptors
#6
Joao B Florindo, Odemir M Bruno, Gabriel Landini
The Odontogenic keratocyst (OKC) is a cystic lesion of the jaws, which has high growth and recurrence rates compared to other cysts of the jaws (for instance, radicular cyst, which is the most common jaw cyst type). For this reason OKCs are considered by some to be benign neoplasms. There exist two sub-types of OKCs (sporadic and syndromic) and the ability to discriminate between these sub-types, as well as other jaw cysts, is an important task in terms of disease diagnosis and prognosis. With the development of digital pathology, computational algorithms have become central to addressing this type of problem...
February 1, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/27843260/gorlin-goltz-syndrome-a-rare-case-report-of-a-11-year-old-child
#7
Sandeep Tandon, Yashwant Chauhan, Meenakshi Sharma, Manish Jain
Gorlin-Goltz Syndrome, also known as nevoid basal cell carcinoma syndrome (NBCCS), is an autosomal dominant trait caused due to mutations in the patched tumor suppressor gene (PTCH) gene found on the long arm of chromosome 9. The syndrome is characterized by the presence of odontogenic keratocysts (OKCs), basal cell carcinomas, and skeletal malformations. Early diagnosis of the syndrome can be done by pedodontist as OKC is one of the early manifestations of the syndrome. Early diagnosis and treatment is important for long-term prognosis of the syndrome by reducing the severity of cutaneous carcinomas and deformities due to jaw cyst...
July 2016: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27630961/a-comparative-analysis-of-cytokeratin-18-and-19-expressions-in-odontogenic-keratocyst-dentigerous-cyst-and-radicular-cyst-with-a-review-of-literature
#8
Vikas Parshottam Bhakhar, Vandana Sandip Shah, Mohsin Jiva Ghanchi, Sandesh Sachchidanand Gosavi, Himanshu Mahesh Srivastava, Nivedita Javahir Pachore
INTRODUCTION: Odontogenic cysts viz Odontogenic Keratocyst (OKC), Dentigerous Cyst (DC) and Radicular Cyst (RC) occur commonly in the oral and maxillofacial region. Cytokeratin (CK) expression studies have been done to evaluate diagnostic accuracy, role in pathogenesis, elucidate behaviour and role in treatment protocols. However, variations have been reported in the expression of CK patterns in these odontogenic cysts, which could be due to the lack of standardization of laboratory techniques...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27621276/dentigerous-cyst-and-ameloblastoma-of-the-jaws-correlating-the-histopathological-and-clinicoradiological-features-avoids-a-diagnostic-pitfall
#9
Andrew W Barrett, Kenneth J Sneddon, John V Tighe, Aakshay Gulati, Laurence Newman, Jeremy Collyer, Paul M Norris, Darryl M Coombes, Michael J Shelley, Brian S Bisase, Rachael D Liebmann
Aim To determine how many ameloblastomas were misdiagnosed as dentigerous cysts (DCs) by correlating the radiological and histopathological features of a series of both entities. Methods and results Histopathology reports and radiological imaging of 135 DCs and 43 ameloblastomas were reviewed. Any clinical or radiological feature that suggested that the diagnosis of DC was wrong-for example, absence of an unerupted tooth-prompted review of the original histology. A total of 34 cases coded as DC at diagnosis were excluded; in the remaining 101 patients, the clinicoradiological and histopathological features were consistent with DC in 96 (95...
September 12, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27342002/three-dimensional-scapular-kinematics-during-open-and-closed-kinetic-chain-movements-in-asymptomatic-and-symptomatic-subjects
#10
Elif Turgut, Øyvind Pedersen, Irem Duzgun, Gul Baltaci
The combination of open kinetic chain (OKC) and closed kinetic chain (CKC) exercises is commonly recommended in shoulder rehabilitation, aiming at improving strength and sport-specific performance. This study aimed to investigate the three-dimensional (3-D) scapular kinematics and bilateral symmetry of scapular motion during dynamic OKC and CKC movements in asymptomatic and symptomatic shoulders. Fifty subjects with unilateral shoulder pain (symptomatic subjects diagnosed with subacromial impingement syndrome, n=20) or without shoulder pain during active shoulder elevation (asymptomatic subjects, n=30) participated in the study...
September 6, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27188081/oda-member-martha-garzon-okc
#11
(no author information available yet)
No abstract text is available yet for this article.
March 2016: Journal—Oklahoma Dental Association
https://www.readbyqxmd.com/read/27092213/immunohistochemical-evaluation-of-myofibroblast-density-in-odontogenic-cysts-and-tumors
#12
Maryam Kouhsoltani, Monireh Halimi, Golchin Jabbari
Background. The aim of this study was to investigate myofibroblast (MF) density in a broad spectrum of odontogenic cysts and tumors and the relation between the density of MFs and the clinical behavior of these lesions. Methods. A total of 105 cases of odontogenic lesions, including unicystic ameloblastoma (UAM), solid ameloblastoma (SA), odontogenic keratocyst (OKC), dentigerous cyst (DC), radicular cyst (RC) (15 for each category), and odontogenic myxoma (OM), adenomatoid odontogenic tumor (AOT), calcifying odontogenic cyst (COC) (10 for each category), were immunohistochemically stained with anti-α-smooth muscle actin antibody...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/27076824/comparison-of-immunohistochemical-expression-of-cd10-in-keratocystic-odontogenic-tumor-and-ameloblastoma
#13
Elham Hormozi, Vahid Nourollahi Fard, Mohammad Ali Naseri, Nima Haghighat Jahromi, Forooz Keshani
BACKGROUND: Odontogenic keratocyst (OKC), also called keratocystic odontogenic tumor (KCOT), is a developmental lesion which should be carefully monitored and it exhibits development mechanisms and biologic behaviors different from those of other more common lesions such as dentigerous and radicular cysts. CD10 antigen is a cell surface metalloendopeptidase, which inactivates various peptides that are physiologically active. Studies have shown that increase in the expression of CD10 in the stromal cells helps the progression of the tumor...
March 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27050804/clinicopathologic-features-associated-with-recurrence-of-the-odontogenic-keratocyst-a-cohort-retrospective-analysis
#14
Joanna Farias Cunha, Carolina Cavalieri Gomes, Ricardo Alves de Mesquita, Eugênio Marcos Andrade Goulart, Wagner Henriques de Castro, Ricardo Santiago Gomez
OBJECTIVE: The aim of this study was to evaluate the influence of clinical, radiographic, surgical and histopathologic parameters in the recurrence of disease in a series of odontogenic keratocysts (OKCs). STUDY DESIGN: The sample comprised 24 sporadic OKC lesions from 24 patients. All patients had no previous treatment history and were treated by the same surgeon using a uniform treatment protocol (enucleation with peripheral ostectomy preceded or not preceded by decompression)...
June 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27011939/syndromic-odontogenic-keratocyst-a-case-report-and-review-of-literature
#15
Fazil Arshad
Odontogenic keratocysts (OKCs) may occur in two different forms, either as solitary (nonsyndromic OKCs) or as multiple OKCs (syndromic OKCs). Multiple OKCs usually occur as one of the findings in Gorlin-Goltz syndrome with other features such as skin carcinomas and rib, eye, and neurologic abnormalities. We report a rare case of Gorlin-Goltz syndrome in a 20-year-old male patient who presented with a slow growing swelling on lower right and left back teeth region since 2 months. Apart from these, other findings were frontal bossing, depressed nasal bridge, ocular hypertelorism, prominent supra orbital ridge, and mild mandibular prognathism...
January 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/26980976/primary-intraosseous-squamous-cell-carcinoma-in-odontogenic-keratocyst-a-rare-entity
#16
Chitrapriya Saxena, Pooja Aggarwal, Vijay Wadhwan, Vishal Bansal
Squamous cell carcinoma (SCC) arising from the wall of an odontogenic cyst (also known as primary intraosseous carcinoma) is a rare tumor which occurs only in jaw bones. This tumor was first described by Loos in 1913 as a central epidermoid carcinoma of the jaw. Primary intraosseous carcinomas (PIOC) may theoretically arise from the lining of an odontogenic cyst or de novo from presumed odontogenic cell rests. According to the new histological classification of tumors of the World Health Organization, odontogenic keratocyst is nowadays considered a specific odontogenic tumor and the PIOC derived from it is considered as a specific entity which is different from other PIOCs derived from the odontogenic cysts...
September 2015: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/26962343/delayed-diagnosis-of-gorlin-syndrome-learning-from-mistakes
#17
Subramaniyan Ramanathan, Devendra Kumar, Mahmoud Al Heidous, Yegu Palaniappan
Gorlin syndrome (GS) is a rare inherited multisystem disorder with predisposition to basal cell carcinomas and various other neoplasms. Characteristic features include falx calcification, multiple odontogenic keratocysts (OKCs), early onset medulloblastoma, craniofacial and skeletal malformations, cardiac and ovarian fibroma. We present a case of GS in a 9-year-old girl with recurrent dental infections which was overlooked for 8 years. Diagnosis was finally suggested by the incidental detection of multiple OKCs and ovarian fibromas on follow-up magnetic resonance imaging performed for surveillance of previous operated brain tumor...
October 2015: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/26863374/a-single-session-of-open-kinetic-chain-movements-emphasizing-speed-improves-speed-of-movement-and-modifies-postural-control-in-stroke
#18
Vicki L Gray, Tanya D Ivanova, S Jayne Garland
Little attention has been given to training speed of movement, even though functional activities require quick submaximal contractions. Closed kinetic chain (CKC) exercises are considered more functional; however, the best method for training speed is not known. A single bout of open kinetic chain (OKC) exercises emphasizing speed was performed to determine whether movement velocity and muscle activation would improve in a single session and whether the improvements transfer to a physiological balance task...
2016: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/26793609/immunohistochemical-assessment-of-mast-cells-and-small-blood-vessels-in-dentigerous-cyst-odontogenic-keratocyst-and-periapical-cyst
#19
Maryam Kouhsoltani, Monir Moradzadeh Khiavi, Golshan Jamali, Samira Farnia
PURPOSE: The aim of this study was to verify the density of mast cells (MCs) and microvessels in odontogenic cysts. Furthermore, the correlation between MCs and microvessels was evaluated to assess the contribution of MCs to angiogenesis and growth of odontogenic cysts. This approach may be a basis for the development of future pharmaceuticals addressed to MCs performance to manage odontogenic cysts. To our knowledge, no study investigating the correlation between MCs and microvessels has been performed to date...
December 2015: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/26692930/stat3-is-a-key-pathway-in-primary-intraosseous-squamous-cell-carcinoma-arising-from-an-odontogenic-keratocyst
#20
Ling Zhang, Shu-Li Liu, Wei-Min Ye, Jing Zheng
PURPOSE: Primary intraosseous squamous cell carcinoma (PIOSCC) arising within an odontogenic keratocyst (OKC) is rare malignancy, entailing a poor prognosis for delayed diagnosis. The number of reports concerning this entity is extremely small. The aim of this study is to present the clinical and pathologic characteristics of PIOSCC and investigate its pathogenesis. MATERIALS AND METHODS: This study describes three patients with mandibular PIOSCC derived from an OKC over a seven-year period, each of which suffering from decompression in mandible...
2015: American Journal of Translational Research
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