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Jessica C Stark, Euan Wallace, Rebecca Lim, Bryan Leaw
Microglia, the resident immune cells in the brain, are the first responders to inflammation or injury in the central nervous system. Recent research has revealed microglia to be dynamic, capable of assuming both pro-inflammatory and anti-inflammatory phenotypes. Both M1 (pro-inflammatory) and M2 (pro-reparative) phenotypes play an important role in neuroinflammatory conditions such as perinatal brain injury, and exhibit differing functions in response to certain environmental stimuli. The modulation of microglial activation has been noted to confer neuroprotection thus suggesting microglia may have therapeutic potential in brain injury...
February 16, 2018: Journal of Visualized Experiments: JoVE
Polina Zjablovskaja, Petr Danek, Miroslava Kardosova, Meritxell Alberich-Jorda
Understanding of the hematopoietic stem and progenitor cell biology has important implications for regenerative medicine and the treatment of hematological pathologies. Despite the most relevant data that can be acquired using in vivo models or primary cultures, the low abundance of hematopoietic stem and progenitor cells considerably restricts the pool of suitable techniques for their investigation. Therefore, the use of cell lines allows sufficient production of biological material for the performance of screenings or assays that require large cell numbers...
February 21, 2018: Journal of Visualized Experiments: JoVE
Monica Terracciano, Michela Napolitano, Luca De Stefano, Anna Chiara De Luca, Ilaria Rea
Diatomite is a fossil material made of amorphous porous silica. In this work, polyethylene glycol (PEG)-modified diatomite NPs (PEG-DNPs) are decorated with gold NPs (AuNPs) by one-pot liquid-phase synthesis. Nanocomplexes (PEG-DNPs@AuNPs), with an average size of about 450 nm, are characterized by dynamic light scattering, electron microscopy, nitrogen adsorption/desorption analysis, UV-VIS and photoluminescence spectroscopies. Preliminary studies on the use of the nanocomplex in nanomedicine are also presented...
March 19, 2018: Nanotechnology
Şifa Turan, Özhan M Turan
The ductus venosus is a fetal vessel that functions importantly in the transfer of oxygen-and nutrient-rich blood from the umbilical vein to vital organs. Its control under active regulation and its anatomy result in a flow-velocity profile that is typically forward throughout the cardiac cycle. This forward cardiac function reflects afterload, cardiac contractility, compliance, and vascular volume changes. Ductus venosus assessment gives valuable information under different fetal conditions. For example, during first trimester screening, an abnormal ductus venosus measurement changes the screening result...
March 15, 2018: Balkan Medical Journal
Hugo Legge, Amira Shaheen, Ghassan Shakhshir, Ai Milojevic
BACKGROUND: Water insecurity is an important risk factor for disease. In recent years, Palestinians have seen access to drinking water increasingly restricted. The aim of this study was to describe such changes over time and examine the association between drinking water sources and the health of children younger than 5 years in the occupied Palestinian territory in 2000-14. METHODS: For this repeated cross-sectional study we used data from five Demographic and Health Surveys conducted between 2000 and 2014...
February 21, 2018: Lancet
Maha Al-Faqawi, Yousef Abuowda, Alaa Eldeen Elmassry, Bettina Böttcher
BACKGROUND: The frequency and severity of chronic obstructive pulmonary disease (COPD) exacerbations are the most important determinants of prognosis in COPD. The aim of this study was to assess the management of patients presenting with COPD exacerbations at the Nasser Medical Complex in the Gaza Strip and to compare the management with the Global Initiative for Chronic Obstructive Lung Disease guidelines (GOLD 2015). METHODS: We reviewed the medical records of all patients admitted to Nasser Medical Complex and diagnosed with COPD exacerbation between Jan 1, 2014, and Dec 31, 2016...
February 21, 2018: Lancet
Aeysha Chaudhry, Shakoor Hajat, Najwa Rizkallah, Ala'a Abu-Rub
BACKGROUND: Vitamin A and vitamin D are essential for a child's growth and development. However, research on micronutrients in the occupied Palestinian territory is scarce. The aim of this study was to ascertain the prevalence and risk factors of vitamin A and vitamin D deficiencies in children living in the occupied Palestinian territory. METHODS: The Palestinian Micronutrient Survey in 2013 measured concentrations of vitamin A in 1054 children (569 children in the West Bank and 485 children in the Gaza Strip) and vitamin D in 150 children (75 children in the West Bank and 75 children in the Gaza Strip)...
February 21, 2018: Lancet
Mohammed N Alkhatib, Tamer Abd-Alghafoor, AlaaEldeen Elmassry, Loai Albarqouni, Bettina Böttcher, Maha Alfaqawi
BACKGROUND: Stroke is a leading cause of morbidity and mortality worldwide. The aim of this study was to assess the standard of care for patients with acute ischaemic stroke at the internal medicine department of Nasser Hospital, Gaza Strip. METHODS: For this retrospective clinical audit, we selected a random sample of 100 medical records for patients with stroke who were admitted to Nasser Hospital between January and August, 2016. Clinical practice was compared with the recommendations in the 2013 American Heart Association and American Stroke Association guidelines...
February 21, 2018: Lancet
Mads Gilbert
BACKGROUND: The atrocities in Syria have been covered in the four general medical weekly journals in the USA and the UK. Medical journal articles addressing political determinants of public health have rightly described and criticised the international community's failure to enforce humanitarian law while urging global bodies of power to ensure protection of civilians and civilian infrastructure and medical services. Discussions of the political influences on health of people in the occupied Palestinian territory (West Bank and Gaza Strip) seem to be considered politically out-of-bounds by some medical journals...
February 21, 2018: Lancet
Chen Avni, Shmuel Stienlauf, Eyal Meltzer, Yechezkel Sidi, Eli Schwartz, Eyal Leshem
We characterized posttravel hospitalizations of citizens returning to Israel by summarizing the returning traveler hospitalization dataset of the national referral Center for Travel Medicine and Tropical Diseases at Sheba Medical Center in Israel. Of 722 hospitalizations, 181 (25%) infections were life-threatening; most would have been preventable by chemoprophylaxis and pretravel vaccination.
April 2018: Emerging Infectious Diseases
Lonnie Wen, Christine Divers, Melissa Lingohr-Smith, Jay Lin, Scott Ramsey
OBJECTIVES: To provide an overview of alternative payment models (APMs) and describe how leading national organizations involved with oncology care and payment are linking quality improvement initiatives and payment reform. STUDY DESIGN: Literature review. METHODS: For this review, we summarized the literature on APMs and their goals of improving healthcare quality while jointly controlling the cost of care. We described the types of APMs that have been examined in the real-world setting, specifically in the area of oncology, and how they have affected the quality of oncology care...
March 1, 2018: American Journal of Managed Care
Dina Hafez, Laurence F McMahon, Linda Balogh, Floyd John Brinley, John Crump, Mark Ealovega, Audrey Fan, Yeong Kwok, Kristen Krieger, Thomas O'Connor, Elisa Ostafin, Heidi Reichert, Jennifer Meddings
OBJECTIVES: To characterize patterns of emergency department (ED) utilization for ambulatory care-sensitive conditions (ACSCs) among patients with established care within a patient-centered medical home. STUDY DESIGN: Retrospective chart review using Michigan Medicine's (formerly University of Michigan Health System) electronic health record. METHODS: Ten general medicine (GM) physicians reviewed 256 ambulatory care-sensitive ED encounters that occurred between January 1, 2014, and December 31, 2014, among patients of a GM medical home...
March 1, 2018: American Journal of Managed Care
Amir S Steinberg, Anish B Parikh, Sara Kim, Damaris Peralta-Hernandez, Talaat Aggour, Luis Isola
OBJECTIVES: Antibiotic stewardship is an integral aspect of hospital care, limiting the potential for resistance while working to minimize waste. A similar system is needed in oncology, given the rapid proliferation of new therapies and the challenges of navigating a complicated reimbursement environment. A "cancer therapy stewardship program" has never been described in the literature. Here, we detail our efforts to design and implement such a program and share lessons learned to inform future projects...
March 2018: American Journal of Managed Care
Zirui Song, Amol S Navathe, Ezekiel J Emanuel, Kevin G Volpp
The United States is simultaneously moving toward value-based payments for populations and precision medicine for individuals. During this evolution, innovations in payment and delivery that enhance tailoring of treatments to individuals while improving the value of care are needed. We propose one such innovation that would allow physician payment and patient cost sharing to better reflect the value of care by allowing the appropriateness of a service for a given patient in a given clinical situation to play a more meaningful role in the design of such incentives...
March 2018: American Journal of Managed Care
Renate Kristianslund, Marius Aursnes, Jørn E Tungen, Carl H Görbitz, Trond V Hansen
The two ar-bisabol sesquiterpenoids (+)-sielboldianin A (1) and (+)-sielboldianin B (2) were isolated from the stem bark of the plant Fraxinus sielboldiana and belong to a medicinally interesting class of natural products used in traditional Chinese medicine. Herein the total synthesis of the proposed structure of (+)-sielboldianin A (1) is reported using an organocatalyzed enantioselective bromolactonization protocol. X-ray analysis of a key intermediate together with specific rotation values and NOESY data of the synthesized product enabled the revision of the absolute configuration of the natural product (+)-sielboldianin A to (7 R,10 R)...
March 19, 2018: Journal of Natural Products
Hua Xu, Jian Xin Xiang, Yi Fei Lu, Ming Kun Zhang, Jia Jia Li, Bingbing Gao, Yuanjin Zhao, Zhongze Gu
In this study, a multifunctional wearable sensing device based on two different graphene films is fabricated and can achieve simultaneous detection of physiological signals and VOC biomarkers without mutual signal interference. The wearable device was designed with two sensing components: on the upper layer of the device, four kinds of porphyrin-modified reduced graphene oxide (rGO) films were prepared and used for a sensor array that could sufficiently react with VOC vapors to achieve highly sensitive detection...
March 19, 2018: ACS Applied Materials & Interfaces
Fumika Ichino, Hidemasa Bono, Takeru Nakazato, Atsushi Toyoda, Asao Fujiyama, Kikuo Iwabuchi, Ryoichi Sato, Hiroko Tabunoki
Human intestinal absorption is estimated using a human colon carcinoma cell line (Caco-2) cells from human colorectal adenocarcinoma, intestinal perfusion, or a mammalian model. These current evaluation systems are limited in their ability to estimate human intestinal absorption. In addition, in vivo evaluation systems using laboratory animals such as mice and rats entail animal ethics problems, and it is difficult to screen compounds on a large scale at the drug discovery stage. Thus, we propose the use of Bombyx mori larvae for evaluation of intestinal absorption of compounds as an alternative system in this study...
2018: Drug Discoveries & Therapeutics
Anita Kuriya, Chioma Agbo, Michael H Dahan
OBJECTIVE: To evaluate the relationship of one or a combination of semen analysis parameter results on insemination outcomes. MATERIAL AND METHODS: A retrospective analysis was performed to evaluate the effect on pregnancy rates in relation to one or more abnormal semen analysis parameters based on the 2010 World Health Organization semen analysis guidelines. RESULTS: Nine hundred and eighty one couples underwent 2231 intrauterine insemination cycles at the Stanford Fertility and Reproductive Medicine Center...
March 19, 2018: Journal of the Turkish German Gynecological Association
Thomas Schlich
No abstract text is available yet for this article.
April 2018: Medical History
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