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Oral disease

Vania Polesello, Luisa Zupin, Roberto Di Lenarda, Matteo Biasotto, Gabriele Pozzato, Giulia Ottaviani, Margherita Gobbo, Sergio Crovella, Ludovica Segat
OBJECTIVES: The aetiology of Oral Lichen Planus (OLP), a chronic inflammatory disease of oral mucosa, is not yet well understood. Since innate immunity may be hypothesized as involved in the susceptibility to OLP, we studied human beta defensin 1 (hBD-1) an antimicrobial peptide constitutively expressed in the saliva, looking at functional genetic variants possibly able to diminish hBD-1 production an consequently conferring major susceptibility to OLP. DESIGN: We analysed three DEFB1 polymorphisms at 5' UTR, -52G>A (rs1799946), -44C>G (rs1800972), -20G>A (rs11362) and two DEFB1 polymorphisms at 3'UTR, c*5G>A (rs1047031), c*87A>G (rs1800971), with the aim of correlating these genetic variants and hBD-1 salivary level in a group of OLP patients and in healthy subjects...
October 12, 2016: Archives of Oral Biology
(no author information available yet)
Deaths in preweaned lambs associated with administering oral minerals containing copperCongenital malformations in calvesIdiopathic necrotising enteritis in calvesAbomasal obstruction due to trichobezoars in suckled calvesRadial neuropathy (kangaroo gait) in a ewe These are among matters discussed in the disease surveillance report for July 2016 from SAC Consulting: Veterinary Services (SAC C VS).
October 22, 2016: Veterinary Record
Guoqin Yu, Steve Phillips, Mitchell H Gail, James J Goedert, Michael Humphrys, Jacques Ravel, Yanfang Ren, Neil E Caporaso
BACKGROUND: The human microbiota is postulated to affect cancer risk, but collecting microbiota specimens with prospective follow-up for diseases will take time. Buccal cell samples have been obtained from mouthwash for the study of human genomic DNA in many cohort studies. Here we evaluate the feasibility of using buccal cell samples to examine associations of human microbiota and disease risk. METHODS: We obtained buccal cells from mouthwash in 41 healthy participants using a protocol that is widely employed to obtain buccal cells for the study of human DNA...
October 21, 2016: Cancer Epidemiology, Biomarkers & Prevention
Nancy Chan, Amy Willis, Naomi Kornhauser, Maureen M Ward, Sharrell B Lee, Eleni Nackos, Bo Ri Seo, Ellen Chuang, Tessa Cigler, Anne Moore, Diana Donovan, Marta Vallee Cobham, Veronica Fitzpatrick, Sarah Schneider, Alysia Wiener, Jessica Guillaume-Abraham, Elnaz Anjom, Richard Zelkowitz, J David Warren, Maureen E Lane, Claudia Fischbach, Vivek Mittal, Linda Vahdat
PURPOSE: Bone marrow derived progenitor cells; including VEGFR2+ endothelial progenitor cells (EPCs) and copper-dependent pathways model the tumor microenvironment. We hypothesized that copper depletion (CD) using tetrathiomolybdate (TM) would reduce EPCs in high risk for relapse breast cancer (BC) patients (pts). We investigated the effect of TM on the tumor microenvironment in preclinical models. EXPERIMENTAL DESIGN: Stage 2 triple negative BC (TNBC), Stage 3 and stage 4 without any evidence of disease, (NED) BC pts, received oral TM to maintain ceruloplasmin (Cp) between 8-17mg/dL for 2 years or until relapse...
October 21, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Kensuke Yamamura, Yoshifumi Baba, Shigeki Nakagawa, Kosuke Mima, Keisuke Miyake, Kenichi Nakamura, Hiroshi Sawayama, Koichi Kinoshita, Takatsugu Ishimoto, Masaaki Iwatsuki, Yasuo Sakamoto, Yoichi Yamashita, Naoya Yoshida, Masayuki Watanabe, Hideo Baba
PURPOSE: Fusobacterium nucleatum (F. nucleatum) is a component of the human microbiome that primarily inhabits the oral cavity. It causes periodontal disease and has also been implicated in the development of human cancers. Although there are several reports of the relationship between F. nucleatum and the clinical outcome in human cancers, its prognostic significance in esophageal cancer remains unclear. EXPERIMENTAL DESIGN: We quantified F. nucleatum DNA in 325 resected esophageal cancer specimens by qPCR...
October 21, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Jinke Xu, Mifong Tam, Sepideh Samadei, Sophie Lerouge, Jake Barralet, Mary M Stevenson, Marta Cerruti
Mucoadhesive drug delivery systems stick to mucosal tissues and prolong the local retention time of drugs. Since the colon is covered by a mucosal layer, mucoadhesive rectal formulations may improve treatment of such diseases as hypertension or colon cancer. Ulcerative colitis (UC) is an inflammatory bowel disease characterized by chronic inflammation of the colonic mucosa. It is commonly treated with sulfasalazine (SSZ), which is metabolized by the intestinal flora into the therapeutic 5-aminosalicylic acid (5-ASA) and a toxic by-product sulfapyridine (SP)...
October 18, 2016: Acta Biomaterialia
A Reum Kim, Ki Bum Ahn, Hyun Young Kim, Ho Seong Seo, Cheol-Heui Yun, Seung Hyun Han
INTRODUCTION: Streptococcus gordonii is a predominant member of the oral microflora and has been isolated from root canals of teeth with refractory apical periodontitis. Biofilm formation is important for various dental diseases, and S. gordonii is involved in dental biofilm formation as an early colonizer. Although serine-rich repeat (SRR) adhesins of S. gordonii such as gordonii surface protein B (GspB) are associated with bacterial colonization, the role of GspB in biofilm formation is not clearly understood...
October 18, 2016: Journal of Endodontics
Adey A Berhanu, Svetlana Krasnokutsky, Robert T Keenan, Michael H Pillinger
INTRODUCTION: Pegloticase is a highly effective therapy for patients with refractory and/or tophaceous gout, but has a high discontinuation rate (30-50%) due to development of anti-drug antibodies causing loss of efficacy and risk of infusion reactions. OBJECTIVE: To describe the use of azathioprine or other immunosuppressive therapies as a pegloticase adjunct to prevent pegloticase immunogenicity when treating gout. METHODS: Case report of azathioprine use in a patient receiving pegloticase therapy for refractory tophaceous gout, and review of the literature for the impact of immunosuppressive agents on development of anti-drug antibodies...
September 20, 2016: Seminars in Arthritis and Rheumatism
Jingwen Tan, Shuiqing Liu, Jodi B Segal, G Caleb Alexander, Mara McAdams-DeMarco
BACKGROUND: Patients with end stage renal disease (ESRD), including stage 5 chronic kidney disease (CKD), hemodialysis (HD) and peritoneal dialysis (PD), are at high risk for stroke-related morbidity, mortality and bleeding. The overall risk/benefit balance of warfarin treatment among patients with ESRD and AF remains unclear. METHODS: We systematically reviewed the associations of warfarin use and stroke outcome, bleeding outcome or mortality in patients with ESRD and AF...
October 21, 2016: BMC Nephrology
Jiang Yue, James F Griffith, Fan Xiao, Lin Shi, Defeng Wang, Jiayun Shen, Priscilla Wong, Edmund K Li, Martin Li, Tena K Li, Tracy Y Zhu, Vivian W Hung, Ling Qin, Lai-Shan Tam
Objective To compare the bone healing effects of denosumab and alendronate in female rheumatoid arthritis (RA) patients by high-resolution peripheral quantitative computed tomography (HR-pQCT). Methods This is a post-hoc analysis of a randomized-controlled trial (NCT01770106). 40 patients were randomized in a 1:1 ratio to receive either subcutaneous denosumab (60mg) once or oral alendronate (70mg) weekly for 6 months. The size of individual bone erosions and the presence and extent of erosion-associated sclerosis (marginal osteosclerosis) were measured in the second metacarpal head of the non-dominant hand at baseline, 3 and 6 months...
October 21, 2016: Arthritis Care & Research
Oznur Bayraktar, Ozlem Oral, Nur Mehpare Kocaturk, Yunus Akkoc, Karin Eberhart, Ali Kosar, Devrim Gozuacik
The ubiquitin-proteasome system (UPS) degrades soluble proteins and small aggregates, whereas macroautophagy (autophagy herein) eliminates larger protein aggregates, tangles and even whole organelles in a lysosome-dependent manner. VCP/p97 was implicated in both pathways. VCP/p97 mutations cause a rare multisystem disease called IBMPFD (Inclusion Body Myopathy with Paget's Disease and Frontotemporal Dementia). Here, we studied the role IBMPFD-related mutants of VCP/p97 in autophagy. In contrast with the wild-type VCP/p97 protein or R155C or R191Q mutants, the P137L mutant was aggregate-prone...
2016: PloS One
Christoph Nowak, Samira Salihovic, Andrea Ganna, Stefan Brandmaier, Taru Tukiainen, Corey D Broeckling, Patrik K Magnusson, Jessica E Prenni, Rui Wang-Sattler, Annette Peters, Konstantin Strauch, Thomas Meitinger, Vilmantas Giedraitis, Johan Ärnlöv, Christian Berne, Christian Gieger, Samuli Ripatti, Lars Lind, Nancy L Pedersen, Johan Sundström, Erik Ingelsson, Tove Fall
Insulin resistance (IR) and impaired insulin secretion contribute to type 2 diabetes and cardiovascular disease. Both are associated with changes in the circulating metabolome, but causal directions have been difficult to disentangle. We combined untargeted plasma metabolomics by liquid chromatography/mass spectrometry in three non-diabetic cohorts with Mendelian Randomization (MR) analysis to obtain new insights into early metabolic alterations in IR and impaired insulin secretion. In up to 910 elderly men we found associations of 52 metabolites with hyperinsulinemic-euglycemic clamp-measured IR and/or β-cell responsiveness (disposition index) during an oral glucose tolerance test...
October 2016: PLoS Genetics
David E Rosow, Jamal Ahmed
Importance: Adult laryngotracheal stenosis (LTS) is typically managed surgically, but some patients fail treatment because of rapid restenosis or granulation tissue formation. The need for frequent surgery or tracheostomy reduces the quality of life in these patients and poses a significant challenge for the treating physician. New adjuvant treatments are required to reduce the surgical burden of this condition. Objective: To examine whether patients with rapidly recurrent nonvasculitic LTS who fail surgical management of their stenosis (ie, requiring dilation more frequently than every 6 months) experience longer intervals between surgical procedures when receiving adjuvant treatment with low-dose methotrexate...
October 20, 2016: JAMA Otolaryngology—Head & Neck Surgery
K Malkiewicz, E Malkiewicz, K A Eaton, E Widström
Poland is one of the largest European countries in terms of area and population. The country's economic situation does not allow for the allocation of sufficient public funds for healthcare in general and oral healthcare in particular. The health policy of the state focuses primarily on prophylaxis and treatment of diseases, directly threatening the health and lives of the inhabitants. Currently, expenditure on oral health accounts for only 2.7% of the public funds allocated to healthcare. In this context, providing oral care financed from public funds at an appropriate level constitutes a challenge for state institutions, centres providing medical and dental services and private practices...
October 21, 2016: British Dental Journal
Susan J Carson, Jacqueline Burns
DesignCohort studyCohort selectionParticipants were recruited between 1994 and 1998 from the general population with the preferred ages of 35 to 65 years in women and 40 to 65 years in men.Exposure measurementSmoking was assessed using a questionnaire from which pack years of smoking were calculated. Educational attainment, body mass index, hypertension, diabetes, alcohol consumption and vitamin or mineral supplements were assessed from measurements and questionnaires. Tooth loss was also assessed by questionnaire returned between 2004 and 2006...
September 2016: Evidence-based Dentistry
K K Dey, R Bharti, G Dey, I Pal, Y Rajesh, S Chavan, S Das, C K Das, B C Jena, P Halder, J G Ray, I Kulavi, M Mandal
Oral cancer consists of squamous cell carcinoma within the oral cavity or on the lip. The clinical prognosis of this cancer is mostly poor owing to delayed diagnosis and a lack of appropriate early detection biomarkers to identify the disease. In the current study, we investigated the role of the S100A7 calcium-binding protein in oral squamous cell carcinoma as an activator of the p38/MAPK and RAB2A signaling pathway. The aim of the present study was to determine whether S100A7 and RAB2A have a role in tumor progression and to assess their potential as early detection biomarkers for oral cancer...
October 21, 2016: Cancer Gene Therapy
Ding Tang, Keli Chen, Luqi Huang, Juan Li
Apigenin, a natural flavone, is widely distributed in plants such as celery, parsley and chamomile. It is present principally as glycosylated in nature. Higher intake of apigenin could reduce the risk of chronic diseases. It has gained particular interest in recent years as a beneficial, health-promoting agent with low intrinsic toxicity. Areas covered: This review summarizes and the absorption, distribution, metabolism and excretion (ADME) properties of apigenin, and drug-drug interaction of apigenin. Expert opinion: Since apigenin is a bioactive plant flavone and is widely distributed in common food, its consumption through the diet is recommended...
October 21, 2016: Expert Opinion on Drug Metabolism & Toxicology
Matt Shirley, Lesley J Scott
Isavuconazole is a second-generation triazole with activity against a broad spectrum of clinically important fungi. Its water-soluble prodrug, isavuconazonium sulfate (Cresemba(®)), available in interchangeable intravenous and oral formulations, is approved in the USA and EU for the treatment of adults with invasive aspergillosis and mucormycosis. In international phase III clinical trials, isavuconazole was efficacious and generally well tolerated in the treatment of these life-threatening diseases. In the phase III SECURE trial, isavuconazole was non-inferior to voriconazole for the primary treatment of invasive mould disease (primarily aspergillosis) and was associated with fewer drug-related treatment-emergent adverse events (TEAEs) than voriconazole...
October 20, 2016: Drugs
T Apaydin, H M Ozkaya, F E Keskin, O A Haliloglu, K Karababa, S Erdem, P Kadioglu
PURPOSE: To determine the differences in acromegaly diagnosis, treatment, and follow-up among Turkish endocrinologists, and to investigate how the published guidelines are applied in clinical practice. METHODS: The questionnaire was formatted as an electronic survey, conducted between November and December 2015, and sent weekly for 6 weeks via e-mail to 528 endocrinologists in Turkey. RESULTS: The questionnaire was answered by 37.4 % of endocrinologists...
October 20, 2016: Journal of Endocrinological Investigation
Abolfazl Aslani, Behzad Zolfaghari, Fatemeh Davoodvandi
Purpose: Recurrent aphthous stomatitis is a disease with unknown etiology that's mostly treated symptomatically and has no definite cure. Pomegranate (Punica granatum) flowers have been used as medicinal herb that due to its antimicrobial, antioxidant, anti-inflammatory, analgesic and healing effects, has been useful in treatment of oral aphthous. Therefore, we decided to formulate a mucoadhesive gel with pomegranate flower extract to reduce the need for corticosteroid therapy in patients. Methods: Pomegranate flowers are extracted by percolation method...
September 2016: Advanced Pharmaceutical Bulletin
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