scholarly journals Bilateral Vocal Cord Carcinoma in a Sarcoidosis Patient during Infliximab Therapy

2013 ◽  
Vol 2013 ◽  
pp. 1-3
Author(s):  
Adriane D. M. Vorselaars ◽  
Elisabeth V. Sjögren ◽  
Coline H. M. van Moorsel ◽  
Jan C. Grutters
Keyword(s):  
Vocal Cord ◽  
A Priori ◽  
Tumor Development ◽  
Infliximab Therapy ◽  
Rapid Progression ◽  
Infliximab Treatment ◽  
Sarcoidosis Patient ◽  
Larynx Carcinoma ◽  
Increased Risk

Introduction. Although the role of TNF-αin tumor development is not fully understood, an increased risk of malignancy with TNF-α-inhibitors, such as infliximab, has been suggested.Case Presentation. We present a 54-year-old nonsmoking female sarcoidosis patient. After seven months of infliximab therapy a T1aN0M0 larynx carcinoma of the right vocal cord was found and excised. Within a year, whilst still on treatment, a second larynx carcinoma of the opposite vocal cord appeared.Discussion. A bilateral vocal cord tumor is rare, especially in a never smoker. Evidence on the role of infliximab in carcinogenesis is inconclusive. To date, there are no follow-up studies evaluating malignancy risk of infliximab therapy in sarcoidosis patients. No studies in other diseases focus on laryngeal carcinomas during infliximab use. We argue that infliximab treatment might have attributed to the rapid progression of vocal cord carcinomas in this patient with an a priori low risk tumor profile. This case illustrates that caution remains warranted in patients with previous malignancies when considering initiation of TNF-α-inhibitors.

scholarly journals Lipid Metabolism in Cancer: The Role of Acylglycerolphosphate Acyltransferases (AGPATs)

Cancers ◽  
2022 ◽  
Vol 14 (1) ◽  
pp. 228
Author(s):  
Angeliki Karagiota ◽  
Georgia Chachami ◽  
Efrosyni Paraskeva
Keyword(s):  
Lipid Metabolism ◽  
Cancer Cells ◽  
Lysophosphatidic Acid ◽  
Tumor Development ◽  
Tissue Expression ◽  
Energy Demands ◽  
Increased Risk ◽  
A Cell

Altered lipid metabolism is an emerging hallmark of aggressive tumors, as rapidly proliferating cancer cells reprogram fatty acid (FA) uptake, synthesis, storage, and usage to meet their increased energy demands. Central to these adaptive changes, is the conversion of excess FA to neutral triacylglycerides (TAG) and their storage in lipid droplets (LDs). Acylglycerolphosphate acyltransferases (AGPATs), also known as lysophosphatidic acid acyltransferases (LPAATs), are a family of five enzymes that catalyze the conversion of lysophosphatidic acid (LPA) to phosphatidic acid (PA), the second step of the TAG biosynthesis pathway. PA, apart from its role as an intermediate in TAG synthesis, is also a precursor of glycerophospholipids and a cell signaling molecule. Although the different AGPAT isoforms catalyze the same reaction, they appear to have unique non-overlapping roles possibly determined by their distinct tissue expression and substrate specificity. This is best exemplified by the role of AGPAT2 in the development of type 1 congenital generalized lipodystrophy (CGL) and is also manifested by recent studies highlighting the involvement of AGPATs in the physiology and pathology of various tissues and organs. Importantly, AGPAT isoform expression has been shown to enhance proliferation and chemoresistance of cancer cells and correlates with increased risk of tumor development or aggressive phenotypes of several types of tumors.

scholarly journals Role of Secreted Frizzled-Related Protein 1 in Early Mammary Gland Tumorigenesis and Its Regulation in Breast Microenvironment

Cells ◽  
2020 ◽  
Vol 9 (1) ◽  
pp. 208 ◽  
Author(s):  
Alisson Clemenceau ◽  
Caroline Diorio ◽  
Francine Durocher
Keyword(s):  
Mammary Gland ◽  
Tumor Development ◽  
Physiological Age ◽  
Mammary Tissue ◽  
Grey Zone ◽  
Related Protein ◽  
Mammary Gland Involution ◽  
Age Related ◽  
Increased Risk

In mice, the lack of secreted frizzled-related protein 1 (SFRP1) is responsible for mammogenesis and hyperplasia, while, in bovines, its overexpression is associated with post-lactational mammary gland involution. Interestingly, there are no reports dealing with the role of SFRP1 in female involution. However, SFRP1 dysregulation is largely associated with human tumorigenesis in the literature. Indeed, the lack of SFRP1 is associated with both tumor development and patient prognosis. Considering the increased risk of breast tumor development associated with incomplete mammary gland involution, it is crucial to demystify the “grey zone” between physiological age-related involution and tumorigenesis. In this review, we explore the functions of SFRP1 involved in the breast involution processes to understand the perturbations driven by the disappearance of SFRP1 in mammary tissue. Moreover, we question the presence of recurrent microcalcifications identified by mammography. In bone metastases from prostate primary tumor, overexpression of SFRP1 results in an osteolytic response of the tumor cells. Hence, we explore the hypothesis of an osteoblastic differentiation of mammary cells induced by the lack of SFRP1 during lobular involution, resulting in a new accumulation of hydroxyapatite crystals in the breast tissue.

Collection of Ego-Centered Network Data with Computer-Assisted Interviews

Methodology ◽  
2006 ◽  
Vol 2 (1) ◽  
pp. 7-15 ◽  
Author(s):  
Joachim Gerich ◽  
Roland Lehner
Keyword(s):  
Survey Methods ◽  
A Priori ◽  
Dynamic Structure ◽  
Computer Assisted ◽  
Network Data ◽  
Great Effort ◽  
Self Administration ◽  
Face To Face ◽  
Full Network

Although ego-centered network data provide information that is limited in various ways as compared with full network data, an ego-centered design can be used without the need for a priori and researcher-defined network borders. Moreover, ego-centered network data can be obtained with traditional survey methods. However, due to the dynamic structure of the questionnaires involved, a great effort is required on the part of either respondents (with self-administration) or interviewers (with face-to-face interviews). As an alternative, we will show the advantages of using CASI (computer-assisted self-administered interview) methods for the collection of ego-centered network data as applied in a study on the role of social networks in substance use among college students.

Vitamin A: dietologist’s position

2020 ◽  
pp. 49-57
Author(s):  
S. V. Orlova ◽  
E. A. Nikitina ◽  
L. I. Karushina ◽  
Yu. A. Pigaryova ◽  
O. E. Pronina
Keyword(s):  
Immune Response ◽  
Urinary Tract ◽  
Gastrointestinal Tract ◽  
Vitamin A ◽  
Developed Countries ◽  
Therapeutic Practice ◽  
The Past ◽  
Increased Risk ◽  
Mucous Membranes

Vitamin A (retinol) is one of the key elements for regulating the immune response and controls the division and differentiation of epithelial cells of the mucous membranes of the bronchopulmonary system, gastrointestinal tract, urinary tract, eyes, etc. Its significance in the context of the COVID‑19 pandemic is difficult to overestimate. However, a number of studies conducted in the past have associated the additional intake of vitamin A with an increased risk of developing cancer, as a result of which vitamin A was practically excluded from therapeutic practice in developed countries. Our review highlights the role of vitamin A in maintaining human health and the latest data on its effect on the development mechanisms of somatic pathology.

Myocardial Noncompaction

2018 ◽  
Vol 69 (8) ◽  
pp. 2209-2212
Author(s):  
Alexandru Radu Mihailovici ◽  
Vlad Padureanu ◽  
Carmen Valeria Albu ◽  
Venera Cristina Dinescu ◽  
Mihai Cristian Pirlog ◽  
...  
Keyword(s):  
Ventricular Arrhythmias ◽  
Specific Treatment ◽  
Left Ventricular ◽  
Left Ventricular Noncompaction ◽  
Ventricular Noncompaction ◽  
Genetic Transmission ◽  
Asymptomatic Patients ◽  
Increased Risk ◽  
Patients With Heart Failure

Left ventricular noncompaction is a primary cardiomyopathy with genetic transmission in the vast majority of autosomal dominant cases. It is characterized by the presence of excessive myocardial trabecularities that generally affect the left ventricle. In diagnosing this condition, echocardiography is the gold standard, although this method involves an increased risk of overdiagnosis and underdiagnosis. There are also uncertain cases where echocardiography is inconclusive, a multimodal approach is needed, correlating echocardiographic results with those obtained by magnetic resonance imaging. The clinical picture may range from asymptomatic patients to patients with heart failure, supraventricular or ventricular arrhythmias, thromboembolic events and even sudden cardiac death. There is no specific treatment of left ventricular noncompaction, but the treatment is aimed at preventing and treating the complications of the disease. We will present the case of a young patient with left ventricular noncompactioncardiomyopathy and highlight the essential role of transthoracic echocardiography in diagnosing this rare heart disease.

Role of Ultrasound in Analysis of Vocal Cord Movements in Comparison with Laryngoscopy

2019 ◽  
Vol 7 (2) ◽  
pp. 32-35
Author(s):  
Nagaraj Murthy ◽  
◽  
Dimple Bhatia ◽  
Keyword(s):  
Vocal Cord

Semi-Quantitative Ultrasonographic Evaluation of NAFLD

2020 ◽  
Vol 26 (32) ◽  
pp. 3915-3927 ◽  
Author(s):  
Stefano Ballestri ◽  
Claudio Tana ◽  
Maria Di Girolamo ◽  
Maria Cristina Fontana ◽  
Mariano Capitelli ◽  
...  
Keyword(s):  
Liver Disease ◽  
Fatty Liver ◽  
Imaging Techniques ◽  
Metabolic Complications ◽  
Nonalcoholic Fatty Liver ◽  
Non Invasive ◽  
Increased Risk ◽  
Risk Of Progression ◽  
Progressive Liver Disease

: Nonalcoholic fatty liver disease (NAFLD) embraces histopathological entities ranging from the relatively benign simple steatosis to the progressive form nonalcoholic steatohepatitis (NASH), which is associated with fibrosis and an increased risk of progression to cirrhosis and hepatocellular carcinoma. NAFLD is the most common liver disease and is associated with extrahepatic comorbidities including a major cardiovascular disease burden. : The non-invasive diagnosis of NAFLD and the identification of subjects at risk of progressive liver disease and cardio-metabolic complications are key in implementing personalized treatment schedules and follow-up strategies. : In this review, we highlight the potential role of ultrasound semiquantitative scores for detecting and assessing steatosis severity, progression of NAFLD, and cardio-metabolic risk. : Ultrasonographic scores of fatty liver severity act as sensors of cardio-metabolic health and may assist in selecting patients to submit to second-line non-invasive imaging techniques and/or liver biopsy.

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