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Bowen's disease

Devon K Taylor, Nanette Mittereder, Ellen Kuta, Tracy Delaney, Timothy Burwell, Karma Dacosta, Weiguang Zhao, Lily I Cheng, Charles Brown, Anmarie Boutrin, Xiang Guo, Wendy I White, Jie Zhu, Huifang Dong, Michael A Bowen, Jia Lin, Changshou Gao, Li Yu, Madhu Ramaswamy, Marie-Claude Gaudreau, Rob Woods, Ronald Herbst, Gianluca Carlesso
Systemic sclerosis (SSc) is a debilitating inflammatory and fibrotic disease that affects the skin and internal organs. Although the pathophysiology of SSc remains poorly characterized, mononuclear cells, mainly macrophages and T cells, have been implicated in inflammation and fibrosis. Inducible costimulator (ICOS), which is expressed on a subset of memory T helper (TH ) and T follicular helper (TFH ) cells, has been shown to be increased in SSc and associated with disease pathology. However, the identity of the relevant ICOS+ T cells and their contribution to inflammation and fibrosis in SSc are still unknown...
March 7, 2018: Science Translational Medicine
Garrett S Bowen, Michelle S Diop, Lan Jiang, Wen-Chih Wu, James L Rudolph
OBJECTIVES: To derive and validate a 30-day mortality clinical prediction rule for heart failure based on admission data and prior healthcare usage. A secondary objective was to determine the discriminatory function for mortality at 1 and 2 years. DESIGN: Observational cohort. SETTING: Veterans Affairs inpatient medical centers (n=124). PARTICIPANTS: The derivation (2010-12; n=36,021) and validation (2013-15; n=30,364) cohorts included randomly selected veterans admitted for HF exacerbation (mean age 71±11; 98% male)...
March 6, 2018: Journal of the American Geriatrics Society
Xiao Shi, Fan Dong, Wenjun Wei, Kehan Song, Naisi Huang, Zhongwu Lu, Bowen Lei, Pengcheng Yu, Wanlin Liu, Yu Wang, Guohua Sun, Yulong Wang, Qinghai Ji
OBJECTIVES: To investigate the prognostic significance and identify optimal candidates of primary tumor resection (PTR) for patients with metastatic major salivary gland carcinoma (MaSGC) at diagnosis. MATERIALS AND METHODS: Patients with metastatic MaSGC were identified from the Surveillance, Epidemiology and End Results (SEER) database. Kaplan-Meier analyses, log-rank tests and multivariate Cox regression models were employed to evaluate the therapeutic roles of PTR in the overall cohort and different subgroups...
March 2018: Oral Oncology
Sukh Makhnoon, Brian H Shirts, Deborah J Bowen, Stephanie M Fullerton
PurposeLaboratory-generated genomic test reports are used to convey complex, and frequently multivariant or uncertain, information about disease risk to medical genetics professionals as well as to nonspecialist clinicians, patients, and family members. However, few guidelines exist to guide the content and format of genomic test reports, and little is known about variation in current reporting practices.MethodsWe conducted a structured content analysis of hereditary cancer gene panel test reports obtained from 16 United States-based CLIA-certified laboratories, including reports describing a variant of uncertain significance (VUS) only and reports with both a VUS and pathogenic or likely pathogenic (P/LP) test result...
March 1, 2018: Genetics in Medicine: Official Journal of the American College of Medical Genetics
Rashmi Gs Phulari, Rajendrasinh Rathore, Trupti Pramod Talegaon, Arpan Shah
Cutaneous horns ( cornu cutaneum ) are uncommon lesions consisting of keratotic material resembling that of an animal horn. It is a conical- or cylindrical-shaped excessive hyperkeratosis of variable size ranging from few millimeters to several centimeters with a variable in size and shape, such as cylindrical, conical, pointed, transversely or longitudinally corrugated, or curved like a ram's horn. The lesions typically occur in sun-exposed areas, particularly the face, ear, nose, forearms and dorsum of hands...
January 2018: Journal of Oral and Maxillofacial Pathology: JOMFP
Bin Li, Guangqiang Gao, Wanying Zhang, Bowen Li, Chun Yang, Xiaofeng Jiang, Yaping Tian, Hongyan Liang
An increase in serum homocysteine level has been associated with an increased risk of vascular disease; however, the biochemical mechanisms that underlie these effects remain largely unknown. The present study aimed to use high-performance liquid chromatography-mass spectrometry (HPLC‑MS) to demonstrate the effects of serum homocysteine on human blood metabolites. A total of 75 fasting serum samples were investigated in the present study. Using a threshold of 15 µmol/l serum homocysteine level, samples were divided into high‑ and low‑homocysteine groups, and the serum extracts were analyzed with an HPLC‑MS‑based method...
February 27, 2018: Molecular Medicine Reports
Laura C Soong, Christopher P Keeling
BACKGROUND: Superficial basal cell carcinoma (sBCC) and squamous cell carcinoma in situ (SCCis) are 2 types of nonmelanoma skin cancers (NMSCs) that are amenable to treatment with topical 5-fluorouracil, cryosurgery, or topical imiquimod, among other destructive and surgical modalities. There are few studies examining the effectiveness of combination therapy with 5% 5-fluorouracil and cryosurgery for the treatment of sBCC and SCCis. OBJECTIVES: Our objective was to study the clinical cure rate achieved with the regimen of cryosurgery and a 3-week course of 5% 5-fluorouracil in the treatment of biopsy-proven sBCC and SCCis...
February 1, 2018: Journal of Cutaneous Medicine and Surgery
Bowen Li, Zhefan Yuan, Peng Zhang, Andrew Sinclair, Priyesh Jain, Kan Wu, Caroline Tsao, Jingyi Xie, Hsiang-Chieh Hung, Xiaojie Lin, Tao Bai, Shaoyi Jiang
For biotherapeutics that require multiple administrations to fully cure diseases, the induction of undesirable immune response is one common cause for the failure of their treatment. Covalent binding of hydrophilic polymers to proteins is commonly employed to mitigate potential immune responses. However, while this technique is proved to partially reduce the antibodies (Abs) reactive to proteins, it may induce Abs toward their associated polymers and thus result in the loss of efficacy. Zwitterionic poly(carboxybetaine) (PCB) is recently shown to improve the immunologic properties of proteins without inducing any antipolymer Abs against itself...
February 19, 2018: Advanced Materials
Jing Zhong, Bowen Wang, Saiqun Li, Yuqing Deng, Haixiang Huang, Ling Chen, Jin Yuan
Fungal keratitis is a severe and common ocular infectious disease. The present study evaluated the efficiency of full-thickness conjunctival flap covering surgery with amniotic membrane transplantation (FCCS + AMT) as a transitional surgery for severe fungal keratitis. A total of 17 patients with severe fungal keratitis without corneal perforation underwent FCCS + AMT between January 2010 and December 2015. The pathogenic factors, preoperative diagnosis and postoperative prognosis of FCCS + AMT at 3 months were evaluated...
March 2018: Experimental and Therapeutic Medicine
M Fernández-Guarino, M L González Morales, Israel Bernal, A I Sánchez Adrada, Sandra Pierri Ugia, J Barrio Garde
BACKGROUND: Photodynamic therapy (PDT) is a good option for the treatment of Bowen's disease (BD) but, BD occasionally develops into a squamous cell carcinoma (SCC) after PDT. OBJECTIVE: Find predictors of aggressiveness of BD after PDT METHODS: Two biopsies of patients with BD treated with PDT with progression to SCC within three months were selected for immunohistochemical (IHC) studies. Conventional PDT was applied. IHC analysis was performed together with hematoxylin-eosin in the biopsies prior to and after treatment with PDT...
February 15, 2018: Photodiagnosis and Photodynamic Therapy
Isil Karaarslan, Sibel Tepret, Seda Yildiz, Banu Yaman, Fezal Ozdemir
There have been limited reports describing reflectance confocal microscopy (RCM) features of Bowen's disease (BD). Herein, we describe the RCM features of a pigmented BD with atypical dermoscopic features, mimicking a melanoma. This case highlights the importance of RCM in a challenging BD.
January 2018: Dermatology Practical & Conceptual
V L Yarnykh, E P Krutenkova, G Aitmagambetova, P Repovic, A Mayadev, P Qian, L K Jung Henson, B Gangadharan, J D Bowen
BACKGROUND AND PURPOSE: Fast macromolecular proton fraction mapping is a recent quantitative MR imaging method for myelin assessment. The objectives of this study were to evaluate the macromolecular proton fraction as a measure of demyelination in subcortical GM structures in multiple sclerosis and assess a potential relationship between demyelination and excess iron deposition using the macromolecular proton fraction and T2* mapping. MATERIALS AND METHODS: Macromolecular proton fraction and T2* maps were obtained from 12 healthy controls, 18 patients with relapsing-remitting MS, and 12 patients with secondary-progressive MS using 3T MR imaging...
February 8, 2018: AJNR. American Journal of Neuroradiology
Yoichi Robertus Fujii
MicroRNA (miRNA) is the noncoding gene: therefore, the miRNA gene inheritably controls protein gene expression through transcriptional and post-transcriptional levels. Aberrant expression of miRNA genes causes various human diseases, especially cancers. Although cancer is a complex disease, cancer/miRNA implication has yet been grasped from the perspective of miRNA profile in bed side. Since miRNA is the mobile genetic element, the clinical verification of miRNA in microvesicle of blood is too much straggle to predict potential cancer/miRNA associations without bioinformatical computing...
2018: Methods in Molecular Biology
Xiaohai Liu, Ming Feng, Ye Zhang, Congxin Dai, Bowen Sun, Xinjie Bao, Kan Deng, Yong Yao, Renzhi Wang
OBJECTIVE: MMP-9, PTTG, and HMGA2 play important roles in the tumorigenesis of adrenocorticotrophic hormone (ACTH)-secreting pituitary tumors, but their associations with tumor recurrence after transsphenoidal adenomectomy remain unclear. The aim of the study was to investigate the immunohistochemical expression profiles of MMP-9, PTTG, HMGA2, and Ki-67 in recurrent and non-recurrent ACTH-secreting pituitary tumors and to identify their associations with tumor behavior and recurrence status...
February 9, 2018: World Neurosurgery
Yan Wang, Yuanpeng Xu, Yujing Sun, Huibin Wang, Jiaming Qi, Bowen Wan, Wenwu Ye, Yachun Lin, Yuanyuan Shao, Suomeng Dong, Brett M Tyler, Yuanchao Wang
Activation of innate immunity by membrane-localized receptors is conserved across eukaryotes. Plant genomes contain hundreds of such receptor-like genes and those encoding proteins with an extracellular leucine-rich repeat (LRR) domain represent the largest family. Here, we develop a high-throughput approach to study LRR receptor-like genes on a genome-wide scale. In total, 257 tobacco rattle virus-based constructs are generated to target 386 of the 403 identified LRR receptor-like genes in Nicotiana benthamiana for silencing...
February 9, 2018: Nature Communications
Tobias R Chapman, Stephen R Bowen, Stephanie K Schaub, Rosanna H Yeung, Sharon W Kwan, James O Park, Lei Yu, William P Harris, Guy E Johnson, Iris W Liou, Matthew J Nyflot, Smith Apisarnthanarax
BACKGROUND: Our purpose was to define the most clinically relevant "nonclassic" radiation-induced liver disease (RILD) endpoints in cirrhotic patients receiving stereotactic body radiation therapy or proton beam therapy for primary liver cancer. METHODS AND MATERIALS: We retrospectively collected pretreatment, detailed toxicity (≤6 months posttreatment), and outcomes data from 48 patients. Deaths were examined for association with RILD. Univariate and multivariate Cox models defined significant predictors of overall survival (OS)/RILD-specific survival (RILD-SS)...
November 4, 2017: Practical Radiation Oncology
Qian Xu, Amol A Kulkarni, Ayyiliath M Sajith, Dilbi Hussein, David Brown, Osman F Güner, M Damoder Reddy, E Blake Watkins, Bernard Lassègue, Kathy K Griendling, J Phillip Bowen
NADPH oxidases (Nox enzymes) are critical mediators of both physiologic and pathophysiologic processes. Nox enzymes catalyze NADPH-dependent generation of reactive oxygen species (ROS), including superoxide and hydrogen peroxide. Until recently, Nox4 was proposed to be involved exclusively in normal physiologic functions. Compelling evidence, however, suggests that Nox4 plays a critical role in fibrosis, as well as a host of pathologies and diseases. These considerations led to a search for novel, small molecule inhibitors of this important enzyme...
December 17, 2017: Bioorganic & Medicinal Chemistry
Krithiga Shridhar, Ambika Satija, Preet K Dhillon, Sutapa Agrawal, Ruby Gupta, Liza Bowen, Sanjay Kinra, A V Bharathi, D Prabhakaran, K Srinath Reddy, Shah Ebrahim
BACKGROUND: Dietary patterns (DPs) in India are heterogenous. To date, data on association of indigenous DPs in India with risk factors of nutrition-related noncommunicable diseases (cardiovascular disease and diabetes), leading causes of premature death and disability, are limited. We aimed to evaluate the associations of empirically-derived DPs with blood lipids, fasting glucose and blood pressure levels in an adult Indian population recruited across four geographical regions of India...
February 8, 2018: Nutrition Journal
Colin A Morton
Photodynamic therapy (PDT), using topically administered photosensitizing agents, is widely approved as a treatment for certain nonmelanoma skin cancers. As a tissue-sparing non-surgical modality, there is great potential for PDT to enhance the choice of therapies available to treat, and potentially prevent, skin cancer. Treatment-specific guidelines have assessed the evidence for various photosensitizing agents and light sources, dosimetry, and evaluate reported adverse effects. Discomfort is frequently experienced during treatment but no analgesia was required in most pivotal lesion-directed studies...
February 7, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
Lindsey S McCrickard, Stacy M Crim, Sunkyung Kim, Anna Bowen
BACKGROUND: Shigella causes approximately 500,000 illnesses, 6000 hospitalizations, and 40 deaths in the United States annually, but incidence and populations at risk for severe shigellosis among adults are unclear. This study describes severe shigellosis among US adults. METHODS: We analyzed Foodborne Diseases Active Surveillance Network data for infections caused by Shigella among adults ≥18 years old during 2002-2014. Criteria to define severe shigellosis included hospitalization, bacteremia, or death...
February 7, 2018: BMC Public Health
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