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https://www.readbyqxmd.com/read/29782698/morphology-regulation-in-redox-destructible-amphiphilic-block-copolymers-and-impact-on-intracellular-drug-delivery
#1
Raju Bej, Jayita Sarkar, Debes Ray, Vinod K Aswal, Suhrit Ghosh
In two ABA type amphiphilic block copolymers (P1, P2), the hydrophobic B block consists of a bioreducible segmented poly(disulfide) (PDS), while poly-N-isopropylacrylamide (PNIPAM) or poly(triethyleneglycol)methylether-methacrylate (PTEGMA) serve as the hydrophilic A blocks in P1 and P2, respectively, leading to the formation of polymersome and micelle, owing to the difference in the packing parameters. Both exhibit comparable doxorubicin (Dox) encapsulation efficiency, but glutathione (GSH) triggered release appears much faster from the polymersome than micelle owing to the complete degradation of the PDS segment in polymersome morphology unlike in micelle...
May 21, 2018: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29782601/patient-centered-medical-home-status-and-preparedness-to-assess-resident-milestones-a-cera-study
#2
Thad Wilkins, Wonsuk Yoo, Ralph A Gillies, Julie Dahl-Smith, Jacqueline Dubose, Joseph Hobbs, Selina Smith, Dean A Seehusen
Purpose: The patient-centered medical home (PCMH) model has been proposed as the ideal model for delivering primary care and is focused on improving patient safety and quality, reducing costs, and enhancing patient satisfaction. The mandated Accreditation Council for Graduate Medical Education educational milestones for evaluation of resident competency represent the skills graduates will utilize after graduation. Many of these skills are reflected in the PCMH model. We sought to determine if residency programs whose main family medicine (FM) practice sites have achieved PCMH recognition are therefore more prepared to evaluate milestones...
May 2018: PRiMER
https://www.readbyqxmd.com/read/29781652/the-agreement-between-clients-and-their-therapists-ratings-of-personality-disorder-traits
#3
Douglas B Samuel, Takakuni Suzuki, Meredith A Bucher, Sarah A Griffin
OBJECTIVE: Treating clinicians provide the majority of mental health diagnoses, yet little is known about the validity of their routine diagnoses, including the agreement with clients' self-reports. This is particularly notable for personality disorders (PDs) as the literature suggests weak agreement between therapists and clients. Existing research has been limited by a focus on PD categories and brief therapist-report measures. Furthermore, although self-reports of PD have been criticized for underreporting, very few data have compared them with therapist report in terms of mean level...
June 2018: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/29780638/molecular-genetics-of-pigment-dispersion-syndrome-and-pigmentary-glaucoma-new-insights-into-mechanisms
#4
REVIEW
Adrian A Lahola-Chomiak, Michael A Walter
We explore the ideas and advances surrounding the genetic basis of pigment dispersion syndrome (PDS) and pigmentary glaucoma (PG). As PG is the leading cause of nontraumatic blindness in young adults and current tailored interventions have proven ineffective, a better understanding of the underlying causes of PDS, PG, and their relationship is essential. Despite PDS being a subclinical disease, a large proportion of patients progress to PG with associated vision loss. Decades of research have supported a genetic component both for PDS and conversion to PG...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29779458/predictors-of-housing-instability-in-women-who-have-experienced-intimate-partner-violence
#5
Emily N Adams, Hannah M Clark, Maria M Galano, Sara F Stein, Andrew Grogan-Kaylor, Sandra Graham-Bermann
Although one in four women in the United States experience severe intimate partner violence (IPV) in their lifetimes and are at greater risk for homelessness and housing insecurity than women who have not experienced IPV, the factors increasing the vulnerability of women with an IPV history to housing instability have not been examined. This cross-sectional study utilized baseline data from interviews with 218 IPV-exposed women from diverse ethnoracial backgrounds participating with their children in the Kids' Club and the Mom's Empowerment Program, joint interventions designed to improve outcomes in families who have experienced IPV...
May 1, 2018: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29775926/chlorophyll-a-%C3%AF-uorescence-and-transcriptome-reveal-the-toxicological-effects-of-bisphenol-a-on-an-invasive-cyanobacterium-cylindrospermopsis-raciborskii
#6
Rong Xiang, Junqiong Shi, Hongbo Zhang, Congcong Dong, Li Liu, JunKe Fu, Xinyu He, Yanjun Yan, Zhongxing Wu
Bisphenol A has attracted worldwide attention due to its harmful effects on humans, animals and plants. In this study, the toxicological effects of BPA on Cylindrospermopsis raciborskii were assessed based on chlorophyll a fluorescence and transcriptome analyses. The results showed that the growth of C. raciborskii was significantly inhibited when BPA exceeded 0.1 mg L-1 . A marked rise of phase J was observed at a concentration greater than 0.1 mg L-1 , while a K phase appeared at 20 mg L-1 . The chlorophyll a fluorescence parameters of RC/CS0 , F0 , φP0 , φE0 , and ψ0 , underwent a significant decline under all treatments of BPA, whereas a significant increase in both VJ and M0 occurred under all concentrations of BPA...
May 9, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29773300/neoadjuvant-chemotherapy-is-associated-with-more-anemia-and-perioperative-blood-transfusions-than-primary-debulking-surgery-in-women-with-advanced-stage-ovarian-cancer
#7
Andrea O'Shea, Kevin McCool, Ross Harrison, Emmanuel Sampene, Joseph Connor, Lisa Barroilhet
OBJECTIVE: The purpose of this case-controlled study was to determine the prevalence of anemia and incidence of perioperative blood transfusions in patients undergoing treatment for advanced ovarian cancer with neoadjuvant chemotherapy (NACT) or primary debulking surgery (PDS). METHODS: We performed a single institution review of patients diagnosed with stage IIIB-IVB epithelial ovarian cancer between 2010 and 2013 undergoing either NACT or PDS. Anemia was defined as a hemoglobin (Hgb) concentration of ≤11...
May 15, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29772533/homology-of-pendrin-sodium-iodide-symporter-and-apical-iodide-transporter
#8
Salvatore Benvenga, Fabrizio Guarneri
We observed local homology between human pendrin and sodium/iodide symporter (NIS), that was absent in the NIS-homologous sodium/monocarboxylate transporter or apical iodide transporter (AIT) which, however, does not transport iodide. Thus, we analyzed the full proteins. They shared 63 identical and 66 similar residues (overall homology 14.4%, but 21% when omitting intervening sequences of 15 or more residues). Pendrin was more homologous to NIS (25%) than AIT (20%), particularly in the STAS domain (sulfate transporter and antisigma factor antagonist)...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29770632/impact-of-increased-utilization-of-neoadjuvant-chemotherapy-on-survival-in-patients-with-advanced-ovarian-cancer-experience-from-a-comprehensive-cancer-center
#9
Yong Jae Lee, Young Shin Chung, Jung Yun Lee, Eun Ji Nam, Sang Wun Kim, Sunghoon Kim, Young Tae Kim
OBJECTIVE: The choice between primary debulking surgery (PDS) and neoadjuvant chemotherapy (NAC) in advanced ovarian cancer remains controversial. We evaluated NAC use in our center before and after results from a randomized trial were published, with the aim to determine the impact of changes in the neoadjuvant strategy on survival in advanced-stage ovarian cancer. METHODS: We retrospectively investigated the clinical course of 435 patients with ovarian, tubal, or peritoneal carcinoma (International Federation of Gynecology and Obstetrics [FIGO] stage III or IV)...
April 18, 2018: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/29767548/disruption-of-chloroplast-function-through-downregulation-of-phytoene-desaturase-enhances-the-systemic-accumulation-of-an-aphid-borne-phloem-restricted-virus
#10
Stacy L DeBlasio, Ana Rita Rebelo, Katherine Parks, Stewart Gray, Michelle Cilia
Chloroplasts play a central role in pathogen defense in plants. However, the majority of studies explaining the relationship between pathogens and chloroplasts have focused on pathogens that infect mesophyll cells. In contrast, the family Luteoviridae comprises RNA viruses that replicate and traffic exclusively in the phloem. Recently, our lab has shown that Potato leafroll virus (PLRV), the type species in the genus Polerovirus, forms an extensive interaction network with chloroplast-localized proteins, which is partially dependent on the PLRV capsid readthrough domain (RTD)...
May 16, 2018: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/29766227/noncontrast-computed-tomography-factors-predictive-of-extracorporeal-shock-wave-lithotripsy-outcomes-in-patients-with-pancreatic-duct-stones
#11
Ri Liu, Weiwei Su, Jing Gong, Yu Zhang, Jianping Lu
PURPOSE: To assess the usefulness of factors unique to NCCT for the prediction of ESWL outcomes in patients with pancreatic duct stones. MATERIALS AND METHODS: We retrospectively evaluated 148 patients with multiple PDS who had undergone ESWL therapy. All patients received an examination for NCCT both before and after ESWL. The following parameters were measured and recorded: patient characteristics including sex and age; NCCT parameters including mean stone length, mean stone volumes before and after ESWL, mean value of CT attenuation, standard deviation of CT attenuation, variation coefficient of CT attenuation, skin-to-stone distance, and pancreatic duct diameter; ESWL outcome indexes including stone clearance rate calculated using the formula [Formula: see text], and the number of ESWL sessions...
May 15, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29765908/the-subgingival-microbiome-of-periodontal-pockets-with-different-probing-depths-in-chronic-and-aggressive-periodontitis-a-pilot-study
#12
Meng Shi, Yiping Wei, Wenjie Hu, Yong Nie, Xiaolei Wu, Ruifang Lu
Periodontitis is a kind of infectious disease initiated by colonization of subgingival periodontal pathogens, which cause destruction of tooth-supporting tissues, and is a predominant threat to oral health as the most common cause of loss of teeth. The aim of this pilot study was to characterize the subgingival bacterial biodiversity of periodontal pockets with different probing depths in patients with different forms of periodontitis. Twenty-one subgingival plaque samples were collected from three patients with chronic periodontitis (ChP), three patients with aggressive periodontitis (AgP) and three periodontally healthy subjects (PH)...
2018: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29765529/-myc-gene-amplification-is-a-rare-event-in-atypical-fibroxanthoma-and-pleomorphic-dermal-sarcoma
#13
Timo Gaiser, Daniela Hirsch, Azadeh Orouji, Marisa Bach, Peter Kind, Doris Helbig, Alexander Quaas, Jochen Utikal, Alexander Marx, Maria Rita Gaiser
Atypical fibroxanthoma (AFX) and pleomorphic dermal sarcoma (PDS) are rare malignancies typically occurring in elderly patients and predominantly located in skin regions exposed to UV-light. Thus, a role of UV-radiation-induced damage for AFX and PDS tumorigenesis has been postulated. MYC gene amplification has been demonstrated as a distinctive feature of radiation-induced angiosarcoma. In order to investigate whether chronic exposure to UV-light might also lead to MYC copy number changes, 51 AFX and 24 PDS samples were retrospectively analyzed for MYC amplification by fluorescence in situ hybridization using a MYC and a CEP8 gene probe...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29765418/isolation-and-characterisation-of-mesenchymal-stem-cells-from-rat-bone-marrow-and-the-endosteal-niche-a-comparative-study
#14
Norhayati Yusop, Paul Battersby, Amr Alraies, Alastair J Sloan, Ryan Moseley, Rachel J Waddington
Within bone, mesenchymal stromal cells (MSCs) exist within the bone marrow stroma (BM-MSC) and the endosteal niche, as cells lining compact bone (CB-MSCs). This study isolated and characterised heterogeneous MSC populations from each niche and subsequently investigated the effects of extensive cell expansion, analysing population doublings (PDs)/cellular senescence, colony-forming efficiencies (CFEs), MSC cell marker expression, and osteogenic/adipogenic differentiation. CB-MSCs and BM-MSCs demonstrated similar morphologies and PDs, reaching 100 PDs...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29758500/degradation-of-aniline-by-electrochemical-activation-of-peroxydisulfate-at-mwcnt-cathode-the-proofed-concept-of-nonradical-oxidation-process
#15
Chunyang Nie, Zhimin Ao, Xiaoguang Duan, Chengying Wang, Shaobin Wang, Taicheng An
Enhanced elimination of aniline in aqueous solution was achieved by coupling electrosorption of aniline and electrochemical activation of peroxydisulfate (PDS) at multi-walled carbon nanotube (MWCNT) cathode, in which a synergistic effect occurred. It was found that PDS could be effectively activated under a small voltage at MWCNT cathode owing to the specific pore structures of MWCNTs. A nonradical oxidation pathway instead of radical-based oxidation was proposed from the cathodic activation of PDS, wherein PDS molecules with a modified electronic structure was suggested to be the principal reactive species...
May 7, 2018: Chemosphere
https://www.readbyqxmd.com/read/29758492/review-of-methodological-challenges-in-comparing-the-effectiveness-of-neoadjuvant-chemotherapy-versus-primary-debulking-surgery-for-advanced-ovarian-cancer-in-the-united-states
#16
REVIEW
Ashley L Cole, Anna E Austin, Ryan P Hickson, Matthew S Dixon, Emma L Barber
Randomized trials outside the U.S. have found non-inferior survival for neoadjuvant chemotherapy (NACT) versus primary debulking surgery (PDS) for advanced ovarian cancer (AOC). However, these trials reported lower overall survival and lower rates of optimal debulking than U.S. studies, leading to questions about generalizability to U.S. practice, where aggressive debulking is more common. Consequently, comparative effectiveness in the U.S. remains controversial. We reviewed U.S. comparative effectiveness studies of NACT versus PDS for AOC...
May 11, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29757006/continuity-between-dsm-5-section-ii-and-iii-personality-disorders-in-a-dutch-clinical-sample
#17
Irene M J Orbons, Gina Rossi, Roel Verheul, Mirjam J A Schoutrop, Jan L L Derksen, Daniel L Segal, Sebastiaan P J van Alphen
The goal of this study was to evaluate the continuity across the Section II personality disorders (PDs) and the proposed Section III model of PDs in the Diagnostic and Statistical Manual of Mental Disorders (5th ed. [DSM-5]; American Psychiatric Association, 2013a ). More specifically, we analyzed association between the DSM-5 Section III pathological trait facets and Section II PDs among 110 Dutch adults (M age = 35.8 years, range = 19-60 years) receiving mental health care. We administered the Structured Clinical Interview for DSM-IV Axis II Disorders to all participants...
May 14, 2018: Journal of Personality Assessment
https://www.readbyqxmd.com/read/29749747/physical-health-related-quality-of-life-among-older-adults-with-personality-disorders
#18
Katherine J Holzer, Jin Huang
OBJECTIVES: Personality Disorders (PDs) are associated with a multitude of negative consequences. The negative PD effects on health can be even more burdensome for older adults given the physical and social functioning changes that occur with age; however, the majority of research examining the influence of PDs focuses on younger adults. The present study seeks to investigate the relationship between PDs and physical health-related quality of life (PHRQoL) in adults over the age of 50...
May 11, 2018: Aging & Mental Health
https://www.readbyqxmd.com/read/29748045/radiology-education-in-medical-school-and-residency-the-views-and-needs-of-program-directors
#19
Patrick T Schiller, Andrew W Phillips, Christopher M Straus
RATIONALE AND OBJECTIVES: The authors of this study used the perspectives of residency program directors (PDs) nationally to explore whether trainees are adequately prepared to utilize and interpret medical imaging as interns, to identify the types of imaging skills most important for residency, and to begin to address current shortcomings in radiology education. MATERIALS AND METHODS: The authors created a survey using a modified version of Accreditation Council for Graduate Medical Education radiology milestones and sent it to 100 randomly selected PDs each in pediatrics, internal medicine, obstetrics and gynecology, and general surgery...
May 7, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29747157/empirical-typology-of-adolescent-personality-organization
#20
Marko Biberdzic, Karin Ensink, Lina Normandin, John F Clarkin
The concept of personality organization (PO) is central to current psychodynamic understanding of normal personality development as well as the development of personality disorders (PDs). However, individual differences in PO have primarily been studied in adult populations, and it remains unclear whether the clinical indicators of normal, neurotic and borderline PO manifest differently during adolescence. This study aimed to address the gaps in current knowledge regarding the potentially different manifestation of pathological PO in adolescence...
May 7, 2018: Journal of Adolescence
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