Αρχειοθήκη ιστολογίου

Κυριακή 17 Απριλίου 2022

Protective effects of the notoginsenoside R1 on acute lung injury by regulating the miR-128-2-5p/Tollip signaling pathway in rats with severe acute pancreatitis

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In this study, we explored the pulmonary protective effect and the underlying mechanism of the NG-R1 on rats with ALI induced by severe acute pancreatitis (SAP). MiR-128-2-5p, ERK1, Tollip, HMGB1, TLR4, IκB, and NF-κB mRNA expression levels were measured using real-time qPCR, and TLR4, Tollip, HMGB1, IRAK1, MyD88, ERK1, NF-κB65, and P-IκB-α protein expression levels using Western blot. The NF-κB and the TLR4 activities were determined using immunohistochemistry, and TNF-α, IL-6, IL-1β, and ICAM-1 levels in the bronchoalveolar lavage fluid (BALF) using ELISA. Lung histopathological changes were observed in each group. NG-R1 treatment reduced miR-128-2-5p expression in the lung tissue, increased Tollip expression, inhibited HMGB1, TLR4, TRAF6, IRAK1, MyD88, NF-κB65, and p-IκB-α ex...
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Protective effects of the notoginsenoside R1 on acute lung injury by regulating the miR-128-2-5p/Tollip signaling pathway in rats with severe acute pancreatitis

alwin shared this article with you from Inoreader
In this study, we explored the pulmonary protective effect and the underlying mechanism of the NG-R1 on rats with ALI induced by severe acute pancreatitis (SAP). MiR-128-2-5p, ERK1, Tollip, HMGB1, TLR4, IκB, and NF-κB mRNA expression levels were measured using real-time qPCR, and TLR4, Tollip, HMGB1, IRAK1, MyD88, ERK1, NF-κB65, and P-IκB-α protein expression levels using Western blot. The NF-κB and the TLR4 activities were determined using immunohistochemistry, and TNF-α, IL-6, IL-1β, and ICAM-1 levels in the bronchoalveolar lavage fluid (BALF) using ELISA. Lung histopathological changes were observed in each group. NG-R1 treatment reduced miR-128-2-5p expression in the lung tissue, increased Tollip expression, inhibited HMGB1, TLR4, TRAF6, IRAK1, MyD88, NF-κB65, and p-IκB-α ex...
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Outcomes of Oral Epithelial Dysplasia Managed by Observation versus Excision at a Canadian Tertiary Centre

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There is a lack of consensus in the management of oral epithelial dysplasia (OED). The purpose of this study is: 1) to evaluate whether surgical excision with histologically negative margins impacts the 5-year malignant transformation rate of OED, and 2) to compare the disease-specific survival outcome of patients diagnosed with oral squamous cell carcinoma (OSCC) that progressed from OED to those presenting with OSCC on initial biopsy. (Source: Journal of Oral and Maxillofacial Surgery)
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Head and Neck Langerhans Cell Histiocytosis in Children

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Langerhans Cell Histiocytosis (LCH) is a sporadic myeloid neoplasm with proliferation of dendritic cells.1 In the United States, LCH has an estimated annual incidence of approximately 1 per million children.2 Controversy exists regarding management of LCH in head and neck: debridement, chemotherapy, or both. Few reports describe LCH in the OMS literature. The purpose of this study was to present experience with LCH of head and neck in children.This was a retrospective review of children with LCH at Children's Healthcare of Atlanta from 2009 to 2020. (Source: Journal of Oral and Maxillofacial Surgery)
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Are Bacteria Just Bystanders in the Pathogenesis of Inflammatory Jaw Conditions?

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It is unclear whether certain bacteria initiate the development of inflammatory jaw conditions, or whether these diseases create a milieu for dysbiosis and secondary colonization of indigenous flora. At present, there are no comparative studies on the types of bacteria that colonize different inflammatory jaw conditions. Accordingly, this study aims to identify and compare the types of bacteria isolated in osteomyelitis, osteoradionecrosis, and MRONJ. (Source: Journal of Oral and Maxillofacial Surgery)
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Treatment of sagittal fracture of the mandibular condyle using resorbable-screw osteosynthesis

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This study aimed to explore the applicability of resorbable-screw osteosynthesis in the treatment of SFMC. (Source: Journal of Oral and Maxillofacial Surgery)
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Females Have Worse Overall and Disease-Specific Survival In HPV-Negative Oropharyngeal Squamous Cell Carcinoma

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Although sex (male versus female) has been identified as an independent prognostic factor in human papillomavirus (HPV)-positive oropharyngeal squamous cell carcinoma (OPSCC), the role of sex in HPV-negative OPSCC is less understood. The purpose of this study was to measure the association between sex and HPV-negative OPSCC disease-specific survival (DSS) and overall survival (OS). (Source: Journal of Oral and Maxillofacial Surgery)
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Is Bone Grafting during Implant Placement a Protective Factor against the Development of Peri-implantitis? A Retrospective Cohort Analysis

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This study aims to identify if the use of bone grafting at time of implant placement is a protective factor against the development of peri-implantitis. A retrospective cohort study was conducted at the Philadelphia Veterans Affairs Medical Center from 2006 to 2013. Physician encounter notes within three months of implant placement were used to gather data about patients ' health status. Operative report notes were used to assess the use of bone grafting at time of implant placement. Implant status was assessed using dental encounter notes and radiographs from follow-up appointments at one, three, five and 10 years. (Source: Journal of Oral and Maxillofacial Surgery)
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Modified Lip Revision Surgery For The Severe Whistle Lip Deformity In Bilateral Cleft Lip

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Whistle deformity is a sequela of primary surgical repair of the bilateral cleft lip that leads to a vertical tissue deficiency and a non-functional orbicularis oris muscle in the medial portion of the upper lip. This sequel is significantly limiting functionally and esthetically. We propose a complete labial revision with a secondary cheiloplasty of Mulliken and a submucosal inferiorly based flap in the central tubercle to increase the volume at this usually deficient area. (Source: Journal of Oral and Maxillofacial Surgery)
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Is inferior alveolar nerve block needed to perform implant surgery in the posterior mandible? A randomized controlled trial.

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This study aimed to compare the efficacy of the 2 techniques using articaine 4% with epinephrine 1:100,000. (Source: Journal of Oral and Maxillofacial Surgery)
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Intraoperative flap warming: The novel use of a sterile cardiac forced warm air blanket for maintaining optimal flap perfusion.

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The two-team approach in major head and neck/reconstructive surgery can occasionally lead to delays between flap harvest and detachment, due to the complexity and length of the ablative procedure. In order to minimize the potential for flap cooling and the adverse impact on microcirculation, active warming can be beneficial.(1) Intraoperative flap warming to either maintain or improve circulation during free flap harvesting has been performed with a variety of passive and active techniques,(2) however limitations such as a lack of consistent temperature regulation, lack of sterility, inability to directly visualise the flap or the need for acquisition of new equipment for a niche area meant that an ideal solution was lacking. (Source: Journal of Oral and Maxillofacial Surgery)
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Cellular fibroadenoma versus phyllodes tumors: A pre‐operative diagnostic approach based on radiological and cytological features

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Abstract

Objective

This study has been designed in an effort to identify the clinico-radiological and cytological features that could effectively help in differentiating cellular fibroadenoma (CFA) and phyllodes tumors (PT), which have several overlapping characteristics.

Method

Histologically proven cases of CFA and PT were reviewed. Cytological features were assessed and categorized. Clinical and radiological details were also evaluated and he the two groups were compared statistically.

Results

A total of 43 FA and 52 PT were specimens were reviewed. Mean age and tumor size for CFA and PT were 26.05 and 36.94 years, and 3.7 and 6.4 cm, respectively. Univariate analysis and regression models revealed that age >30 years, BIRADS grade of 4 or more, marked cellularity of stromal fragments, more than 30% spindle cells in background cell population and presence of traversing blood vessels in stromal fragments increased the odds of a tumor being phyllodes. The binary logistic regression model was able to predict PT accurately in 87.2% cases (p <  .001).

Conclusion

PT and CFA could be differentiated if cytological findings are cautiously correlated clinically and radiologically. Age, BIRADS category along with assessment of stromal fragments and background population can effectively distinguish between CFA and PT.

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Training the pronunciation of L2 vowels under different conditions: the use of non-lexical materials and masking noise

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Via Phonetica

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Phonetica. 2022 Apr 15. doi: 10.1515/phon-2022-2018. Online ahead of print.ABSTRACTThe current study extends traditional perceptual high-variability phonetic training (HVPT) in a foreign language learning context by implementing a comprehensive training paradigm that combines perception (discrimination and identification) and production (immediate repetition) training tasks and by exploring two potentially enhancing training conditions: the use of non-lexical training stimuli and the presence of masking noise during production training. We assessed training effects on L1-Spanish/Catalan bilingual EFL learners' production of a difficult English vowel contrast (/æ/-/ʌ/). The participants (N = 62) were randomly assigned to either non-lexical (N = 24) or lexical (N = 24) training and were fu...
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! # Ola via Alexandros G.Sfakianakis on Inoreader