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https://www.readbyqxmd.com/read/28437283/dilator-use-after-vaginal-brachytherapy-for-endometrial-cancer-a-randomized-feasibility-and-adherence-study
#1
Alexandra Hanlon, William Small, Jonathan Strauss, Lilie L Lin, Laura Hanisch, Liming Huang, Jinbing Bai, Jessica Wells, Deborah Watkins Bruner
BACKGROUND: Vaginal brachytherapy, a common treatment of endometrial cancer, is associated with high rates of vaginal stenosis. Recommendations for vaginal dilator use to minimize stenosis generally include 3 times per week for approximately 10 minutes per use. However, adherence rates range widely and are generally well less than 50%. OBJECTIVES: The aims of this study were to assess feasibility of recruitment to a study of dilator use and test a theoretically driven enhanced educational program (EEP) to increase adherence...
April 21, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28436947/dedifferentiation-into-blastomere-like-cancer-stem-cells-via-formation-of-polyploid-giant-cancer-cells
#2
N Niu, I Mercado-Uribe, J Liu
Our recent perplexing findings that polyploid giant cancer cells (PGCCs) acquired embryonic-like stemness and were capable of tumor initiation raised two important unanswered questions: how do PGCCs acquire such stemness, and to which stage of normal development do PGCCs correspond. Intriguingly, formation of giant cells due to failed mitosis/cytokinesis is common in the blastomere stage of the preimplantation embryo. However, the relationship between PGCCs and giant blastomeres has never been studied. Here, we tracked the fate of single PGCCs following paclitaxel-induced mitotic failure...
April 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28433409/managing-anthelmintic-resistance-in-parascaris-spp-a-modelling-exercise
#3
Dave M Leathwick, Christian W Sauermann, Thomas Geurden, Martin K Nielsen
A previously described model for the dynamics of the parasitic stages of Parascaris spp. was modified to include eggs outside the host and the genetics of anthelmintic resistance before being used to address questions regarding the development of resistance. Three broad questions were addressed; i) How sustainable is the current common practice of treating foals monthly for their first year of life (i.e. 12 treatments/year)? ii) Does the timing of treatments have an effect on resistance development? (i.e. do certain treatments select for resistance more strongly than others?), and iii) How sustainable is the currently recommended strategy of targeting ascarid infections in foals with two treatments applied during the first five months of life? A range of variations within these broad questions were considered, such as the value in rotational deworming, whether larvicidal treatments are more selective for resistance, and whether combination anthelmintics should be introduced...
March 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28428276/micellar-delivery-of-mir-34a-modulator-rubone-and-paclitaxel-in-resistant-prostate-cancer
#4
Di Wen, Yang Peng, Feng Lin, Rakesh K Singh, Ram I Mahato
Treatment of prostate cancer with paclitaxel (PTX) often fails due to development of chemoresistance caused by downregulation of the tumor suppressor gene miR-34a. In this study, we demonstrate that co-delivery of PTX and 2'-hydroxy-2,4,4',5,6'-pentamethoxychalcone (termed rubone) drives upregulation of miR-34a and chemosensitizes PTX-resistant prostate cancer cells, killing both cancer stem-like cells (CSCs) and bulk tumor cells. Rubone upregulated miR-34a and reversed its downstream target genes in DU145-TXR and PC3-TXR cells...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28427476/regeneration-of-full-thickness-skin-defects-by-differentiated-adipose-derived-stem-cells-into-fibroblast-like-cells-by-fibroblast-conditioned-medium
#5
Woojune Hur, Hoon Young Lee, Hye Sook Min, Maierdanjiang Wufuer, Chang-Won Lee, Ji An Hur, Sang Hyon Kim, Byeung Kyu Kim, Tae Hyun Choi
BACKGROUND: Fibroblasts are ubiquitous cells in the human body and are absolutely necessary for wound healing such as for injured skin. This role of fibroblasts was the reason why we aimed to differentiate human adipose-derived stem cells (hADSCs) into fibroblasts and to test their wound healing potency. Recent reports on hADSC-derived conditioned medium have indicated stimulation of collagen synthesis as well as migration of dermal fibroblasts in wound sites with these cells. Similarly, human fibroblast-derived conditioned medium (F-CM) was reported to contain a variety of factors known to be important for growth of skin...
April 20, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28427333/the-experiences-of-physiotherapists-treating-people-with-dementia-who-fracture-their-hip
#6
A J Hall, R Watkins, I A Lang, R Endacott, V A Goodwin
BACKGROUND: It is estimated that people with dementia are approximately three times more likely to fracture their hip than sex and age matched controls. A report by the Chartered Society of Physiotherapy found that this population have poor access to rehabilitation as inpatients and in the community. A recent scoping review found a paucity of research in this area, indeed there has been no qualitative research undertaken with physiotherapists. In order to address this evidence gap, the aim of this current study was to explore the experiences of physiotherapists treating this population...
April 20, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28425121/role-of-the-dynorphin-kappa-opioid-receptor-system-in-the-motivational-effects-of-ethanol
#7
Rachel I Anderson, Howard C Becker
Evidence has demonstrated that dynorphin (DYN) and the kappa opioid receptor (KOR) system contribute to various psychiatric disorders, including anxiety, depression, and addiction. More recently, this endogenous opioid system has received increased attention as a potential therapeutic target for treating alcohol use disorders. In this review, we provide an overview and synthesis of preclinical studies examining the influence of alcohol (ethanol) exposure on DYN/KOR expression and function, as well as studies examining the effects of DYN/KOR manipulation on ethanol's rewarding and aversive properties...
April 20, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28419427/how-i-manage-children-with-neutropenia
#8
REVIEW
David C Dale
Neutropenia, usually defined as a blood neutrophil count <1·5 × 10(9) /l, is a common medical problem for children and adults. There are many causes for neutropenia, and at each stage in life the clinical pattern of causes and consequences differs significantly. I recommend utilizing the age of the child and clinical observations for the preliminary diagnosis and primary management. In premature infants, neutropenia is quite common and contributes to the risk of sepsis with necrotizing enterocolitis...
April 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28418515/pronation-supination-motion-is-altered-in-a-rat-model-of-post-traumatic-elbow-contracture
#9
Chelsey L Dunham, Ryan M Castile, Aaron M Chamberlain, Leesa M Galatz, Spencer P Lake
The elbow joint is highly susceptible to joint contracture, and treating elbow contracture is a challenging clinical problem. Previously, we established an animal model to study elbow contracture that exhibited features similar to the human condition including persistent decreased range of motion (ROM) in flexion-extension and increased capsule thickness/adhesions. The objective of this study was to mechanically quantify pronation-supination in different injury models to determine if significant differences compared to control or contralateral persist long-term in our animal elbow contracture model...
April 17, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28417080/applying-a-systems-approach-to-thyroid-physiology-looking-at-the-whole-with-a-mitochondrial-perspective-instead-of-judging-single-tsh-values-or-why-we-should-know-more-about-mitochondria-to-understand-metabolism
#10
REVIEW
Roy Moncayo, Helga Moncayo
Classical thinking in endocrine physiology squeezes our diagnostic handling into a simple negative feedback mechanism with a controller and a controlled variable. In the case of the thyroid this is reduced to TSH and fT3 and fT4, respectively. The setting of this tight notion has no free space for any additions. In this paper we want to challenge this model of limited application by proposing a construct based on a systems approach departing from two basic considerations. In first place since the majority of cases of thyroid disease develop and appear during life it has to be considered as an acquired condition...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28414168/decompression-alone-versus-fusion-for-pyogenic-spondylodiscitis
#11
Sung Hyun Noh, Ho Yeol Zhang, Hyun Sun Lim, Hyeon Jin Song, Kyung Hwa Yang
BACKGROUND CONTEXT: A spinal infection is a serious problem for a spine surgeon, and there is currently much debate regarding how best to treat pyogenic spondylodiscitis using antibiotics and the instrumentations that have been developed to date. PURPOSE: The purpose of this study was to determine which is better method for treating pyogenic spondylodiscitis. STUDY DESIGN/SETTING: A retrospective chart review was performed. PATIENT SAMPLE: Thirty-one patients with pyogenic spondylodiscitis underwent surgical treatment between 2000 and 2016 at the authors' institution...
April 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28413148/incorporating-site-less-clinical-trials-into-drug-development-a-framework-for-action
#12
Irl B Hirsch, Joe Martinez, E Ray Dorsey, Gerald Finken, Alexander Fleming, Chris Gropp, Philip Home, Daniel I Kaufer, Spyros Papapetropoulos
PURPOSE: Options for leveraging available telemedicine technologies, ranging from simple webcams and telephones to smartphone apps and medical-grade wearable sensors, are evolving faster than the culture of clinical research. Until recently, most clinical trials relied on paper-based processes and technology. This cost- and labor-intensive system, while slowly changing, remains an obstacle to new drug development. Alternatives that use existing tools and processes for collecting real-world data in home settings warrant closer examination...
April 13, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28412401/proteasome-inhibitor-loaded-micelles-enhance-antitumor-activity-through-macrophage-reprograming-by-nf-%C3%AE%C2%BAb-inhibition
#13
Hailiang Wu, Anqi Tao, John D Martin, Sabina Quader, Xueying Liu, Kei Takahashi, Louise Hespel, Yutaka Miura, Yoshihiro Hayakawa, Tatsuro Irimura, Horacio Cabral, Kazunori Kataoka
Macrophage reprogramming towards a tumor attacking phenotype is a promising treatment strategy, yet such strategies are scarce and it is not clear how to combine them with cytotoxic therapies that are often used to treat solid tumors. Here, we evaluate whether a micelle-encapsulated proteasome inhibitor, i.e. the peptide aldehyde drug MG132, which is cytotoxic to cancer cells, can reprogram macrophages to attack the tumor. Through in vitro studies, we demonstrated that the proteasome inhibition reduces nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling - a known promoter of tumor-supporting macrophages and chemoresistance - in both cancer cells and macrophages...
April 12, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28409689/effects-of-methoxychlor-on-igf-i-signaling-pathway-in-rat-ovary
#14
O Ozden-Akkaya, K Altunbas, A Yagcı
Follicular development and other ovarian functions are regulated by growth factors that can be affected by exogenous agents. Methoxychlor (MXC) is an organochloride pesticide that causes female infertility. We investigated how MXC affects the distribution of developing ovarian follicles in adult rats after treatment between embryonic day (E) 18 and postnatal day (PND) 7. We also measured insulin-like growth factor-I (IGF-I) and its receptor, IGF-IR, expressions in ovarian follicles and investigated whether MXC changed the levels of IGF-I and IGF-IR in the ovary...
2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28408705/time-lapse-imaging-of-cleavage-divisions-in-embryo-quality-assessment
#15
Robert Milewski, Anna Maria Ajduk
In vitro fertilization (IVF) is one of the most important procedures for treating infertility. As several embryos are usually produced in a single IVF cycle, it is crucial to select only the most viable ones for transfer to the patient. Morphokinetics, i.e. analysis of the dynamics of cleavage divisions and processes such as compaction and cavitation, has provided both biologists and clinicians with a new set of data regarding embryonic behaviour during preimplantation development and its association with embryo quality...
April 13, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28406330/precarity-and-preparedness-non-adherence-as-institutional-work-in-diagnosing-and-treating-malaria-in-uganda
#16
René Umlauf
Access to anti-malarial drugs is increasingly governed by novel regulation technologies like Rapid Diagnostic Tests (RDTs). However, high-rates of non-adherence particularly to negative RDT results have been reported, threatening the cost-effectiveness of the two interrelated goals of improving diagnosis and reducing the over-prescription of expensive anti-malarial drugs. Below I set out to reconstruct prior treatment forms like presumptive treatment of malaria by paying particular attention to their institutional groundings...
April 13, 2017: Medical Anthropology
https://www.readbyqxmd.com/read/28403162/maintaining-extensivity-in-evolutionary-multiplex-networks
#17
Chris G Antonopoulos, Murilo S Baptista
In this paper, we explore the role of network topology on maintaining the extensive property of entropy. We study analytically and numerically how the topology contributes to maintaining extensivity of entropy in multiplex networks, i.e. networks of subnetworks (layers), by means of the sum of the positive Lyapunov exponents, HKS, a quantity related to entropy. We show that extensivity relies not only on the interplay between the coupling strengths of the dynamics associated to the intra (short-range) and inter (long-range) interactions, but also on the sum of the intra-degrees of the nodes of the layers...
2017: PloS One
https://www.readbyqxmd.com/read/28397504/-chemotherapy-related-cognitive-impairment-in-patients-with-hodgkin-lymphoma-pathophysiology-and-risk-factors
#18
D Fayette, Ľ Gahérová, H Móciková, J Marková, T Kozák, J Horáček
BACKGROUND: Cognitive impairment (impairment of memory, attention, or concentration) is documented in 17-75% of patients with various malignancies treated with chemotherapeutic agents that worsen quality of life. CRCI affects patients of all ages. The impairment of cognitive function in connection with chemotherapy is usually mild, but an event. relationship with dementia remains to be confirmed. Chemotherapy in combination with radiotherapy in Hodgkin lymphoma can cure 80-90% of patients...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28395784/acute-mesenteric-ischemia-part-i-incidence-etiologies-and-how-to-improve-early-diagnosis
#19
REVIEW
Jussi M Kärkkäinen, Stefan Acosta
Acute mesenteric ischemia (AMI) is generally thought to be a rare disease, but in fact, it is more common cause of acute abdomen than appendicitis or ruptured abdominal aortic aneurysm in patients over 75 years of age. In occlusive AMI, surgical treatment without revascularization is associated with as high as 80% overall mortality. It has been shown that early diagnosis with contrast-enhanced computed tomography and revascularization can reduce the overall mortality in AMI by up to 50%. However, only a minority of patients with AMI are being treated actively with revascularization in the United States, and the situation is very likely similar in Europe as well...
February 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28395304/commentary-on-reading-comprehension-is-not-a-single-ability-implications-for-child-language-intervention
#20
Teresa A Ukrainetz
Purpose: This commentary responds to the implications for child language intervention of Catts and Kamhi's (2017) call to move from viewing reading comprehension as a single ability to recognizing it as a complex constellation of reader, text, and activity. Method: Reading comprehension, as Catts and Kamhi explain, is very complicated. In this commentary, I consider how comprehension has been taught and the directions in which it is moving. I consider how speech-language pathologists (SLPs), with their distinctive expertise and resources, can contribute to effective reading comprehension instruction...
April 20, 2017: Language, Speech, and Hearing Services in Schools
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