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https://www.readbyqxmd.com/read/28930532/neuroprotective-role-of-asiatic-acid-in-aluminium-chloride-induced-rat-model-of-alzheimer-s-disease
#1
Mashoque Ahmad Rather, Arokiasamy Justin Thenmozhi, Thamilarasan Manivasagam, Mathiyazahan Dhivya Bharathi, Musthafa Mohamed Essa, Gilles J Guillemin
Alzheimer's disease (AD) is the most common form of dementia, characterized by memory loss, cognitive impairment and personality disorders accompanied by diffuse structural abnormalities in the brain of elderly people. The current investigation explored the neuroprotective potential of asiatic acid (AA), a natural triterpene of Centella asiatica on aluminium chloride (AlCl3) induced rat model of AD. Oral administration of AlCl3 (100 mg/kg b.w.) for 42 days significantly elevated the levels of Al, activity of acetyl cholinesterase and expressions of amyloid precursor protein, amyloid beta1-42, beta and gamma secretases, glial fibrillary acidic protein, ionized calcium binding adaptor molecule 1, interleukins -1β, 6, 4, 2, tumor necrosis factor alpha, inducible nitric oxide synthase, nuclear factor- k beta and cyclooxygenase-2 in the hippocampus and cortex  compared to the control group...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28929952/cutaneous-candidiasis-in-a-gottingen-minipig-a-potential-pitfall-in-preclinical-studies
#2
Yuval Ramot, Ana Obaya, Alice McNamara, Abraham Nyska
The Göttingen minipig is often used in preclinical toxicity studies. Therefore, knowledge of spontaneously occurring pathologies is important to differentiate them from test drug-related effects. We report on a Göttingen minipig, which developed exudating widespread dermatitis during a preclinical toxicity study with a subcutaneously injected drug. The lesions were resistant to topical and oral antibacterial medications. Skin cultures were positive for Candida albicans, and treatment was changed to topical antifungal cream with quick resolution of the skin lesions...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28929544/computed-tomographic-appearance-of-canine-tonsillar-neoplasia-14-cases
#3
Florence Thierry, Maurizio Longo, Evi Pecceu, Davide D Zani, Tobias Schwarz
The palatine tonsil is an uncommon site of oral canine neoplasia. For affected tonsils, squamous cell carcinoma is the most frequent type of neoplasia, followed by melanoma and lymphoma. Computed tomography (CT) is increasingly used for investigation of canine oropharyngeal pathology; however, limited information is available on the CT appearance of tonsillar neoplasms. Objectives of this retrospective descriptive case series were to characterize the CT features of canine tonsillar neoplasia and determine whether specific CT features differentiate nonneoplastic from neoplastic tonsils...
September 19, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28928926/a-unique-complication-of-self-expandable-metal-stent-placement-in-malignant-duodenal-obstruction
#4
Christopher J Down, Lalit Kumar, Sukhpal Singh, Darmarajah Veeramootoo
Intestinal obstruction is a common complication in patients with advanced gastrointestinal malignancies. In the last two decades, endoscopic placement of duodenal stents has become a mainstay of palliative treatment in patients with unresectable obstructive duodenal pathology. Self-expandable metal stents have been reported to have excellent success rates, besides dramatically improve the patient's quality of life by reinstating the oral feeding ability. Re-intervention rates remain high, commonly as a consequence of tumour ingrowth resulting stent occlusion...
September 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28928666/colitis-is-effectively-ameliorated-by-%C3%A2-8-acetonyl-dihydrocoptisine-via-the-xbp1-nf-%C3%AE%C2%BAb-pathway
#5
HaiJing Zhang, GuangMing Song, ZhiHui Zhang, HuaChen Song, XiaoNan Tang, AnJun Deng, WenJie Wang, LianQiu Wu, HaiLin Qin
Ulcerative colitis (UC) is a recurrent, chronic intestinal disease. Available treatments for UC are poor effective and/or cause severe adverse events. X-box binding protein 1 (XBP1) and nuclear factor-κB (NF-κB) have been reported to play important roles in UC. Specifically, deletion or downregulation of XBP1 leads to spontaneous enteritis and results in imbalanced secretion of NF-κB and other proinflammatory cytokines. (±)-8-acetonyl-dihydrocoptisine, i.e., (±)-8-ADC, is a monomer semi-synthesized from coptisine...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28928122/discovery-and-preclinical-characterization-of-gsk1278863-daprodustat-a-small-molecule-hypoxia-inducible-factor-hif-prolyl-hydroxylase-inhibitor-for-anemia
#6
Jennifer L Ariazi, Kevin J Duffy, David F Adams, Duke M Fitch, Lusong Luo, Melissa Pappalardi, Mangatt Biju, Erin Hugger DiFilippo, Tony Shaw, Ken Wiggall, Connie Erickson-Miller
Decreased erythropoietin (EPO) production, shortened erythrocyte survival, and other factors reducing the response to EPO contribute to anemia in patients with a variety of underlying pathologies such as chronic kidney disease (CKD). Treatment with recombinant human EPO (rHuEPO) at supraphysiological concentrations has proven to be efficacious. However, it does not ameliorate the condition in all patients and presents its own risks, including cardiovascular complications. The transcription factors hypoxia-inducible factor (HIF)1α and HIF2α control the physiological response to hypoxia and invoke a program of increased erythropoeisis...
September 19, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28925161/-protective-effects-of-liuwei-wuling-tablet-on-acute-alcoholic-induced-liver-injury-in-mice
#7
Ping Yin, He-Rong Cui, Cong-En Zhang, Yuan Zhang, Ya-Kun Meng, Lan-Zhi He, Hui-Min Liu, Xiu-Xiu Sang, Jia-Bo Wang, Zhao-Fang Bai, Xiao-He Xiao
The protective action and the relevant mechanism of Liuwei Wuling tablet on acute alcoholic hepatic injury in mice were investigated. All the C57BL/6 mice were divided randomly into 7 groups including blank, model, bifendate (150 mg•kg⁻¹, positive control) and experimental groups consisted of extremely low dose (0.1 g•kg⁻¹), low (0.5 g•kg⁻¹), upper (4 g•kg⁻¹) and high dose (8 g•kg⁻¹) of Liuwei Wuling tablet groups. The acute liver injury model was induced by modified method that the model, positive control and experimental groups were orally administrated 56% alcohol (6 g•kg⁻¹) twice at 12 hour intervals on the fifth day after drugs administration...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28924446/use-of-intravitreal-dexamethasone-in-a-case-of-anterior-ischemic-optic-neuropathy
#8
Raffaele Nuzzi, Francesca Monteu
Nowadays there is no unique and well-established treatment for nonarteritic anterior ischemic optic neuropathy, despite being the main acute pathology that affects the optic nerve in the elderly population and often resulting in a significant loss of visual acuity. The effectiveness of oral steroids is still under debate in the international literature, although many studies show that patients treated with high doses of systemic corticosteroids have a significantly higher chance of improved visual acuity and visual fields...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28923272/the-spectrum-of-oral-lesions-presenting-clinically-with-papillary-verrucous-features
#9
Sara Whitefield, Vadim Raiser, Amir Shuster, Shlomi Kleinman, Benjamin Shlomi, Ilana Kaplan
PURPOSE: We sought to study the spectrum of oral pathologies presenting clinically with papillary-verrucous features. MATERIALS AND METHODS: A 10-year (2007 to 2016) retrospective study of oral papillary lesions was undertaken. All biopsy reports that included a clinical description of papillary or verrucous architecture were retrieved. The data collected included clinical features, size, color, location, histopathologic diagnosis, age, and gender. RESULTS: The study included 137 patients, with a total of 151 lesions...
August 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28922727/the-relevance-of-gastric-cancer-biomarkers-in-prognosis-and-pre-and-post-chemotherapy-in-clinical-practice
#10
REVIEW
Muhammad Abbas, Murad Habib, Muhammad Naveed, Kumaragurubaran Karthik, Kuldeep Dhama, Meiqi Shi, Chen Dingding
Gastric cancer (GC) is one among the major cancer types, causing human deaths and present noticeable heterogeneity. The incidences and mortality rates are higher in males in comparison to females with a male to female ratio of 2.3:1. A lot of studies have revealed out the molecular basis, pathogenesis, invasion and metastasis related findings of gastric stomach cancer. Present review encompasses the salient information on various biomarkers for the early diagnosis, treatment and prognosis of gastric cancer elaborate the clinical importance of serum tumor markers in patients with this cancer as well as checking the growths, together with epigenetic changes and genetic polymorphisms...
September 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28922365/isothiocyanate-enriched-moringa-seed-extract-alleviates-ulcerative-colitis-symptoms-in-mice
#11
Youjin Kim, Alex G Wu, Asha Jaja-Chimedza, Brittany L Graf, Carrie Waterman, Michael P Verzi, Ilya Raskin
Moringa (Moringa oleifera Lam.) seed extract (MSE) has anti-inflammatory and antioxidant activities. We investigated the effects of MSE enriched in moringa isothiocyanate-1 (MIC-1), its putative bioactive, on ulcerative colitis (UC) and its anti-inflammatory/antioxidant mechanism likely mediated through Nrf2-signaling pathway. Dextran sulfate sodium (DSS)-induced acute (n = 8/group; 3% DSS for 5 d) and chronic (n = 6/group; cyclic rotations of 2.5% DSS/water for 30 d) UC was induced in mice that were assigned to 4 experimental groups: healthy control (water/vehicle), disease control (DSS/vehicle), MSE treatment (DSS/MSE), or 5-aminosalicyic acid (5-ASA) treatment (positive control; DSS/5-ASA)...
2017: PloS One
https://www.readbyqxmd.com/read/28921845/detection-and-delineation-of-squamous-neoplasia-with-hyperspectral-imaging-in-a-mouse-model-of-tongue-carcinogenesis
#12
Guolan Lu, Dongsheng Wang, Xulei Qin, Susan Muller, Xu Wang, Amy Y Chen, Zhuo Georgia Chen, Baowei Fei
yperspectral imaging (HSI) holds the potential for the noninvasive detection of cancers. Oral cancers are often diagnosed at a late stage when treatment is less effective and the mortality and morbidity rates are high. Early detection of oral cancer is, therefore, crucial in order to improve the clinical outcomes. To investigate the potential of HSI as a non-invasive diagnostic tool, an animal study was designed to acquire hyperspectral images of in vivo and ex vivo mouse tongues from a chemically induced tongue carcinogenesis model...
September 17, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28918183/survival-after-surgery-for-oral-cancer-a-30-year-experience
#13
T K Ong, C Murphy, A B Smith, A N Kanatas, D A Mitchell
Oral squamous cell carcinoma is the most common intraoral malignancy, for which we advocate radical primary resection with adjuvant treatment where indicated. The main aims of this paper are to identify the overall survival of a consecutive series of patients and to relate survival to clinical and pathological factors. Kaplan-Meier curves were produced for site, sex, TNM status, and use of postoperative radiotherapy. The data were analysed using IBM SPSS Statistics for Windows and probabilities of less than 0...
September 13, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28918172/melatonin-and-periodontal-tissues-molecular-and-clinical-perspectives
#14
REVIEW
Agata Rita Carpentieri, María Elena Peralta Lopez, Javier Aguilar, Verónica Mariana Solá
Periodontal disease is a frequent chronic inflammatory pathology that implies the destruction of the tissues supporting the teeth, which represents a high sanitary cost. It usually appears associated with other systemic conditions such as diabetes, metabolic syndrome, depression and Alzheimer disease among others. The presence of melatonin and its receptors in the oral cavity supports the hypothesis that this hormone could play a role in homeostasis of periodontal tissues. In the present review we will discuss the potential role of melatonin, a circadian synchronizing hormone, with proved antiinflammatory and antioxidant profile, in the pathogenesis and treatment of periodontitis...
September 13, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28918161/clinical-and-pathological-significance-of-cutaneous-manifestations-in-anca-associated-vasculitides
#15
REVIEW
Laure Frumholtz, Sara Laurent-Roussel, Olivier Aumaître, François Maurier, Guillaume Le Guenno, Agnes Carlotti, Alexiane Dallot, Jean Louis Kemeny, Laurent Antunes, Nicolas Froment, Sylvie Fraitag, Jonathan London, Alice Berezne, Benoît Terris, Claire Le Jeunne, Luc Mouthon, Selim Aractingi, Loïc Guillevin, Nicolas Dupin, Benjamin Terrier
OBJECTIVES: Cutaneous manifestations (CM) in ANCA-associated vasculitides (AAV) are frequent, but data on clinical significance and clinical-pathological correlations are lacking. METHODS: We conducted a multicenter, retrospective study including 1553 AAV patients. Clinical, biological and pathological features have been analyzed, and tissue samples from 46 biopsies were reviewed in a blind manner. RESULTS: CM were more frequent in EGPA (53...
September 13, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28917978/sen1500-a-novel-oral-amyloid-%C3%AE-aggregation-inhibitor-attenuates-brain-pathology-in-a-mouse-model-of-alzheimer-s-disease
#16
D Brunner, S Flunkert, J Neddens, S Duller, D I C Scopes, J M Treherne, B Hutter-Paier
INTRODUCTION: Amyloid-β (Aβ) aggregation is thought to be a major pathogenic event underlying the neuropathology of Alzheimer's disease (AD). The development of new drugs inhibiting the Aβ aggregation process is, therefore, important. SEN1500, an orally bioavailable and CNS-penetrant Aβ aggregation inhibitor, has previously been shown to reduce spatial learning and memory deficits in an APP transgenic mouse model. To verify that the pharmacological properties of SEN1500 are not unique to this model, we investigated brain Aβ pathology, neuroinflammation, as well as memory in a different mouse model of AD expressing the human amyloid precursor protein with Swedish and London mutations (APPSL)...
September 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28917966/shrinkage-in-oral-squamous-cell-carcinoma-an-analysis-of-tumor-and-margin-measurements-in-vivo-post-resection-and-post-formalin-fixation
#17
Lauren A Umstattd, Jonathan C Mills, William A Critchlow, Gregory J Renner, Robert P Zitsch
PURPOSE: To quantify changes in tumor size and tumor-free margins following surgical resection and formalin fixation of oral cavity squamous cell carcinoma. MATERIALS AND METHODS: Nineteen patients were studied via cohort design. Between May and December 2011, measurements of tumor size and tumor-free margin were made in patients with squamous cell carcinoma of the oral cavity. Mucosal reference points were marked with sutures, representing tumor diameter and two separate resection margins...
September 12, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28917550/antidiabetic-potential-of-methanolic-and-flavonoid-rich-leaf-extracts-of-synsepalum-dulcificum-in-type-2-diabetic-rats
#18
Olabisi T Obafemi, Clement A Akinmoladun, Tolulope M Olaleye, Stephen O Agboade, Amos A Onasanya
BACKGROUND: Synsepalum dulcificum is a plant indigenous to West Africa. The fruit is used to modify taste of foods to sweetness. OBJECTIVES: This study aims to investigate the antidiabetic potentials of both methanolic and flavonoid-rich leaf extracts of S. dulcificum (MSD and FSD respectively) in type 2 diabetic Wistar albino rats. MATERIALS AND METHODS: Sixty three rats were randomly distributed into nine groups of seven animals each with group 1 serving as the normal control...
September 13, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28917330/-oral-administration-of-medicines-in-elderly-patients-and-adaptation-of-galenic-forms
#19
Éric Pautas, Lasamy Bui, Alexandra Monti, Sébastien Krypciak, Anastasia Obraztsova, Eléna Paillaud
Physiological ageing and pathologies can have an influence on the pharmacology of numerous medicines, leading to serious iatrogenic accidents, polypharmacy and incorrect use of a medicine in elderly people. An observational study carried out in a short-stay geriatric unit focused on the issues surrounding the difficulties the elderly may encounter when taking medicines and the prevalence of the manipulation of galenic forms.
September 2017: Soins. Gérontologie
https://www.readbyqxmd.com/read/28916029/oral-mucosa-biology-and-salivary-biomarkers
#20
Rosie Qin, Andrea Steel, Nasim Fazel
Although the surfaces of both the skin and oral mucosa are protected by squamous epithelial cells and fall within the scope of dermatologic practice, the oral cavity contains highly specialized structures and functions distinct from other skin biology and pathologic conditions and are also the purview of clinicians who care for patients with skin and mucosal diseases. We describe the distinct features of the tongue, mucosa, and salivary glands. In particular, we examine the composition and function of the saliva, with special focus on salivary biomarkers...
September 2017: Clinics in Dermatology
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