That Darned Foreskin

​I was a practicing pediatrician before I did a residency in emergency medicine. One of the most common and sometimes most stressful decisions parents had to make in the neonatal nursery was whether to circumcise their newborn son. I have to admit that the hullabaloo about the foreskin has always intrigued me. The American Academy of Pediatrics has gone back and forth over the years on the topic of circumcision and its benefits, but the current evidence clearly establishes a benefit from this procedure (Pediatrics 2012;130[3]:e756) that is performed approximately 1.4 million times each year in the United States. (Mayo Clin Proc 2014;89[5]:677.)The morning chore of the pediatric interns rotating through the nursery was to line up male infants and perform circumcisions. We became quite proficient and could have the foreskin fixed up with a device called the Plastibell in minutes. In fact, I vaguely remember several procedural speed competitions (by others, of course) called "Circ-Offs."​It's almost unbelievable, but the removal or non-removal of a small piece of skin from the head of the penis has actually been the focus of medical and social attention for hundreds of years. A Google search for "circumcision" produces about 11 million results in 0.58 seconds, and a PubMed search for "male circumcision" shows 6,155 published articles. Circumcision has been around for a long time. A sixth dynasty (2345-2181 BCE) Egyptian tomb has artwork showing ...
Source: M2E Too! Mellick's Multimedia EduBlog - Category: Emergency Medicine Tags: Blog Posts Source Type: blogs

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Publication date: April 2020Source: Phytochemistry Letters, Volume 36Author(s): Fahd M. Abdelkarem, Ezz-Eldin K. Desoky, Alaa M. Nafady, Ahmed E. Allam, Aldoushy Mahdy, Maki Nagata, Tomofumi Miyamoto, Kuniyoshi ShimizuAbstractFurther chemical study of the crude extract of the soft coral Heteroxenia fuscescens (Fam., Xeniidea), led to isolation of two new sterols, Heterofuscesterols A (1) and B (2), a sterol isolated for the first time from natural sources, 3β,5α,6β-trihydroxyandrosta-17-one (3), along with one new hydroperoxy sesquiterpene, Heterofusceterpene A (4), and one known ceramide (5). Their structu...
Source: Phytochemistry Letters - Category: Chemistry Source Type: research
Publication date: Available online 21 February 2020Source: Chemical Engineering JournalAuthor(s): Meitong Ou, Chao Pan, Yongkang Yu, Xuan Wang, Yun Zhou, Hanjie Zhang, Qinzhen Cheng, Meiying Wu, Xiaoyuan Ji, Lin MeiAbstractExcessive reactive oxygen species (ROS), as effective cancer therapeutic agents, can promote tumor apoptosis. However, the clinical applications of ROS-mediated cancer therapies still have many limitations, such as self-defects of traditional photosensitizer, adverse tumor microenvironment (TME), and insufficient ROS production. Here, two-dimensional and highly oxidized ilmenite nanosheets (HOIL NSs, for...
Source: Chemical Engineering Journal - Category: Chemistry Source Type: research
Publication date: Available online 21 February 2020Source: Chemical Engineering JournalAuthor(s): Yang Zhang, Yanjun Xu, Di Sun, Zheying Meng, Weiwei Ying, Wei Gao, Rui Hou, Yuanyi Zheng, Xiaojun Cai, Bing Hu, Xianfang LinAbstractAs a promising treatment modality with spatial and temporal control, alternating magnetic field (AMF) triggered magnetic hyperthermal therapy (MHT) shows broad and promising applications to overcome the drawbacks of traditional focal therapies in combating cancer. However, the MHT efficacy is still not satisfactory with the presence of heat shock proteins (HSPs). In addition, sustained tumor hypox...
Source: Chemical Engineering Journal - Category: Chemistry Source Type: research
Chem. Commun., 2020, Accepted Manuscript DOI: 10.1039/D0CC00416B, CommunicationXinwei Tian, Zhao Li, Ning Ding, Jiahang Zhang We have developed a novel near-infrared ratiometric fluorescent theranostic nanoprobe. Reaction with glutathione, it would release a near-infrared fluorophore and chemotherapy drug. Notably, this nanoprobe can selectively kill cancer HeLa,... The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - Chem. Commun. latest articles - Category: Chemistry Authors: Source Type: research
This article presents her outstanding character and most important lines of research. The focus of her studies covered alkylative and oxidative damage to DNA bases, in particular mutagenic and carcinogenic properties of purines with an open imidazole ring and 8-oxo-7,8-dihydroguanine (8-oxoGua). They also included analysis of mutagenic properties and pathways for the repair of DNA adducts of lipid peroxidation (LPO) products arising in large quantities during inflammation. Professor Tudek did all of this in the hope of deciphering the mechanisms of DNA damage removal, in particular by the base excision repair (BER) pathway...
Source: Mutation Research Genetic Toxicology and Environmental Mutagenesis - Category: Genetics & Stem Cells Source Type: research
ConclusionsBlood Metallothionein- 2A relative expression and oxidant status may have a prognostic value in breast cancer patients.
Source: Meta Gene - Category: Genetics & Stem Cells Source Type: research
This study aims to address how the 2008 Wenchuan Earthquake influenced knowledge generation and diffusion compared to the research stemming from the 1989 Loma Prieta Earthquake in the United States and the 1995 Hanshin Awaji Earthquake in Japan, for the three countries are exposed to high seismic risk. The findings show that (1) regarding research quantity, the influence of the Wenchuan Earthquake on disaster-related knowledge generation is just beginning compared with the gradual decreases in research on the other earthquakes; (2) regarding disciplinary development, the proportion of studies relating to the Wenchuan Earth...
Source: Safety Science - Category: Occupational Health Source Type: research
Authors: Gok M, Sozuer E, Topal U, Akyuz M, Bozkurt GK, Hamurcu M, Deniz K Abstract Appendix vermiformis agenesis is quite rare. It is seen in 1/100,000 of patients who underwent laparotomy with an initial diagnosis of appendicitis. A 72-year-old woman who had not undergone any previous surgery was operated on for mechanical intestinal obstruction. Right hemicolectomy was performed due to obstructive tumoral mass in the hepatic flexure. There was no appendix vermiformis in exploration. Before deciding on the diagnosis of appendix agenesis, a thorough and rigorous exploration should be performed in ileocecal region ...
Source: Annali Italiani di Chirurgia - Category: Surgery Tags: Ann Ital Chir Source Type: research
Source: International Braz J Urol - Category: Urology & Nephrology Source Type: research
Conclusions Preoperative serum TC level is an independent poor prognostic factor for patients with surgically treated RCC, with lower levels associated with worse CSS and PFS. Hence, this parameter may provide additional guidance in the selection of therapeutic strategies to improve prognosis, considering that cholesterol is a broadly applied routine marker in clinical practice.
Source: International Braz J Urol - Category: Urology & Nephrology Source Type: research
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