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https://www.readbyqxmd.com/read/28938751/new-permeable-cryoprotectant-free-vitrification-method-for-native-human-sperm
#1
J Aizpurua, L Medrano, M Enciso, J Sarasa, A Romero, M A Fernández, M J Gómez-Torres
STUDY QUESTION: Is permeable cryoprotectant-free vitrification of native sperm samples a good alternative to conventional slow freezing? SUMMARY ANSWER: The permeable cryoprotectant-free sperm vitrification protocol tested in this study renders considerably better recovery rates of good quality sperm compared to slow freezing. WHAT IS KNOWN ALREADY: Slow freezing is currently the most commonly used technique for sperm cryopreservation, though this method has been repeatedly shown to have negative effects on both structural and functional sperm features...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938746/women-s-career-priority-is-associated-with-attitudes-towards-family-planning-and-ethical-acceptance-of-reproductive-technologies
#2
Michael K Simoni, Lin Mu, Stephen C Collins
STUDY QUESTION: Do women who place high importance on career success have different perceptions of pregnancy planning, delayed reproduction, and the ethical acceptability of ART than women with less emphasis on their career? SUMMARY ANSWER: Career-focused women place more importance on pregnancy planning, have greater confidence in delayed childbearing, and are more ethically accepting of donor gamete ART than women who do not place as much importance on career success...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938744/an-improved-ivm-method-for-cumulus-oocyte-complexes-from-small-follicles-in-polycystic-ovary-syndrome-patients-enhances-oocyte-competence-and-embryo-yield
#3
F Sánchez, F Lolicato, S Romero, M De Vos, H Van Ranst, G Verheyen, E Anckaert, J E J Smitz
STUDY QUESTION: Are meiotic and developmental competence of human oocytes from small (2-8 mm) antral follicles improved by applying an optimized IVM method involving a prematuration step in presence of C-Type Natriuretic Peptide (CNP) followed by a maturation step in presence of FSH and Amphiregulin (AREG)? SUMMARY ANSWER: A strategy involving prematuration culture (PMC) in the presence of CNP followed by IVM using FSH + AREG increases oocyte maturation potential leading to a higher availability of Day 3 embryos and good-quality blastocysts for single embryo transfer...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938521/beneficial-health-applications-and-medicinal-values-of-pedicularis-plants-a-review
#4
REVIEW
Mohd Iqbal Yatoo, Umesh Dimri, Arumugam Gopalakrishnan, Kumaragurubaran Karthik, Marappan Gopi, Rekha Khandia, Mani Saminathan, Archana Saxena, Mahmoud Alagawany, Mayada Ragab Farag, Ashok Munjal, Kuldeep Dhama
Pedicularis plants (Orobanchaceae), popularly known as lousewort, are found in Asia, Europe, and North America, and have been used in Sowa-Rigpa, the Himalayan art of healing and a traditional system of medicine for treating various ailments in humans. A comprehensive compilation on this valuable medicinal plant is not available, however. The present extensive review provides insight into the salient medicinal properties of Pedicularis plants with respect to various health issues and diseases. Our previous studies on Pedicularis plants from the Changthang region of Ladakh (India) and research advances leading to new developments in this field have prompted this review...
September 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28938237/fertility-restoration-with-spermatogonial-stem-cells
#5
Francesca de Michele, Maxime Vermeulen, Christine Wyns
PURPOSE OF REVIEW: This review evaluates the state of the art in terms of challenges and strategies used to restore fertility with spermatogonial stem cells retrieved from prepubertal boys affected by cancer. Although these boys do not yet produce spermatozoa, the only option to preserve their fertility is cryopreservation of spermatogonial stem cells in the form of testicular cell suspensions or whole tissue pieces. Different techniques have been described to achieve completion of spermatogenesis from human, spermatogonial stem cells but none is yet ready for clinical application...
September 21, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/28937982/protein-complex-prediction-via-dense-subgraphs-and-false-positive-analysis
#6
Cecilia Hernandez, Carlos Mella, Gonzalo Navarro, Alvaro Olivera-Nappa, Jaime Araya
Many proteins work together with others in groups called complexes in order to achieve a specific function. Discovering protein complexes is important for understanding biological processes and predict protein functions in living organisms. Large-scale and throughput techniques have made possible to compile protein-protein interaction networks (PPI networks), which have been used in several computational approaches for detecting protein complexes. Those predictions might guide future biologic experimental research...
2017: PloS One
https://www.readbyqxmd.com/read/28937070/renal-transplantation-in-hiv-positive-patients-no-more-a-scare
#7
Eswarappa Mahesh, Manns Manohar John, Gurudev Channabasappa Konana, Rakesh Madhyastha Parampalli, Sujeeth Reddy Bande, Sarita Suryadevara
Human immunodeficiency virus (HIV) infection has posed as a major global health epidemic for almost three decades. With the advent of highly active antiretroviral therapy in 1996 and the application of prophylaxis and management of opportunistic infections, acquired immunodeficiency syndrome mortality has decreased markedly. The most aggressive HIV-related renal disease is end-stage renal disease due to HIV-associated nephropathy. Presence of HIV infection used to be viewed as a contraindication to renal transplantation for multiple reasons; concerns for exacerbation of an already immunocompromised state by administration of additional immunosuppressants; the use of a limited supply of donor organs with unknown long-term outcomes...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28935835/total-body-pet-maximizing-sensitivity-to-create-new-opportunities-for-clinical-research-and-patient-care
#8
Simon R Cherry, Terry Jones, Joel S Karp, Jinyi Qi, William Moses, Ramsey Badawi
Positron emission tomography (PET) is widely considered as the most sensitive technique available for non-invasively studying physiology, metabolism and molecular pathways in the living human being. However, the utility of PET, being a photon deficient modality, remains constrained by factors including low signal-to-noise ratio (SNR), long imaging times and concerns regarding radiation dose. Two developments offer the potential to dramatically increase the effective sensitivity of PET. First by increasing the geometric coverage to encompass the entire body, sensitivity can be increased by a factor of ~40 for total-body imaging or a factor of ~4-5 for imaging a single organ such as the brain or heart...
September 21, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28934697/detection-of-bcg-bacteria-using-a-magnetoresistive-biosensor-a-step-towards-a-fully-electronic-platform-for-tuberculosis-point-of-care-detection
#9
Teresa G Barroso, Rui C Martins, Elisabete Fernandes, Susana Cardoso, José Rivas, Paulo P Freitas
Tuberculosis is one of the major public health concerns. This highly contagious disease affects more than 10.4 million people, being a leading cause of morbidity by infection. Tuberculosis is diagnosed at the point-of-care by the Ziehl-Neelsen sputum smear microscopy test. Ziehl-Neelsen is laborious, prone to human error and infection risk, with a limit of detection of 10(4) cells/mL. In resource-poor nations, a more practical test, with lower detection limit, is paramount. This work uses a magnetoresistive biosensor to detect BCG bacteria for tuberculosis diagnosis...
September 6, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28934422/low-frequency-of-acquired-isoniazid-and-rifampicin-resistance-in-rifampicin-susceptible-pulmonary-tuberculosis-in-a-setting-of-high-hiv-1-infection-and-tuberculosis-coprevalence
#10
Neesha Rockwood, Frederick Sirgel, Elizabeth Streicher, Robin Warren, Graeme Meintjes, Robert J Wilkinson
Background: We estimated the incidence of acquired isoniazid and rifampicin resistance in rifampicin-susceptible tuberculosis in a setting of high human immunodeficiency virus type 1 (HIV-1) infection and tuberculosis coprevalence. Methods: GeneXpert MTB/RIF-confirmed patients with rifampicin-susceptible tuberculosis were recruited at antituberculosis treatment initiation in Khayelitsha, South Africa. Liquid culture and adherence assessment were performed at 2 and 5-6 months...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28934420/higher-prevalence-and-faster-progression-of-chronic-kidney-disease-in-human-immunodeficiency-virus-infected-middle-aged-individuals-compared-with-human-immunodeficiency-virus-uninfected-controls
#11
Katherine W Kooij, Liffert Vogt, Ferdinand W N M Wit, Marc van der Valk, Rosan A van Zoest, Abraham Goorhuis, Maria Prins, Frank A Post, Peter Reiss
Background: Human immunodeficiency virus (HIV)-infected individuals are at increased risk of chronic kidney disease (CKD). Human immunodeficiency virus infection, traditional CKD risk factors, and combination antiretroviral therapy (cART) may all contribute. Methods: We compared prevalence of renal impairment (estimated glomerular filtration rate [eGFR] <60 mL/min/1.73m2), albuminuria (albumin/creatinine ratio ≥3 mg/mmol), and proximal renal tubular dysfunction (retinol-binding protein/creatinine ratio >2...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28934369/in-vivo-activation-of-latent-hiv-with-a-synthetic-bryostatin-analog-effects-both-latent-cell-kick-and-kill-in-strategy-for-virus-eradication
#12
Matthew D Marsden, Brian A Loy, Xiaomeng Wu, Christina M Ramirez, Adam J Schrier, Danielle Murray, Akira Shimizu, Steven M Ryckbosch, Katherine E Near, Tae-Wook Chun, Paul A Wender, Jerome A Zack
The ability of HIV to establish a long-lived latent infection within resting CD4+ T cells leads to persistence and episodic resupply of the virus in patients treated with antiretroviral therapy (ART), thereby preventing eradication of the disease. Protein kinase C (PKC) modulators such as bryostatin 1 can activate these latently infected cells, potentially leading to their elimination by virus-mediated cytopathic effects, the host's immune response and/or therapeutic strategies targeting cells actively expressing virus...
September 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28934310/sanger-and-next-generation-sequencing-data-for-characterization-of-ctl-epitopes-in-archived-hiv-1-proviral-dna
#13
Camille Tumiotto, Lionel Riviere, Pantxika Bellecave, Patricia Recordon-Pinson, Alice Vilain-Parce, Gwenda-Line Guidicelli, Hervé Fleury
One of the strategies for curing viral HIV-1 is a therapeutic vaccine involving the stimulation of cytotoxic CD8-positive T cells (CTL) that are Human Leucocyte Antigen (HLA)-restricted. The lack of efficiency of previous vaccination strategies may have been due to the immunogenic peptides used, which could be different from a patient's virus epitopes and lead to a poor CTL response. To counteract this lack of specificity, conserved epitopes must be targeted. One alternative is to gather as many data as possible from a large number of patients on their HIV-1 proviral archived epitope variants, taking into account their genetic background to select the best presented CTL epitopes...
2017: PloS One
https://www.readbyqxmd.com/read/28934034/transfiguring-light-and-symphonic-blooming-a-wabi-sabi-story-of-humanbecoming-and-human-caring
#14
Lois S Kelley
Transfiguring Light and Symphonic Blooming is word-art to describe the flowering of the humanbecoming and human caring schools of thought over time. A Wabi Sabi story journey was created to turn the tide in a world where the building of a unique body of knowledge for nursing has fallen into disfavor with nursing itself. Using nature-aligned paintings and a Japanese story-art aesthetic with poetry, the beauty of falling away to unitary essentials and holding the value of "both-and" in unitary consciousness was illuminated...
October 2017: Nursing Science Quarterly
https://www.readbyqxmd.com/read/28932739/agonist-binding-to-chemosensory-receptors-a-systematic-bioinformatics-analysis
#15
Fabrizio Fierro, Eda Suku, Mercedes Alfonso-Prieto, Alejandro Giorgetti, Sven Cichon, Paolo Carloni
Human G-protein coupled receptors (hGPCRs) constitute a large and highly pharmaceutically relevant membrane receptor superfamily. About half of the hGPCRs' family members are chemosensory receptors, involved in bitter taste and olfaction, along with a variety of other physiological processes. Hence these receptors constitute promising targets for pharmaceutical intervention. Molecular modeling has been so far the most important tool to get insights on agonist binding and receptor activation. Here we investigate both aspects by bioinformatics-based predictions across all bitter taste and odorant receptors for which site-directed mutagenesis data are available...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28931681/insights-into-the-impact-of-cd8-immune-modulation-on-hiv-evolutionary-dynamics-in-distinct-anatomical-compartments-using-siv-infected-macaque-models-of-aids-progression
#16
Brittany Rife Magalis, David J Nolan, Patrick Autissier, Tricia H Burdo, Kenneth C Williams, Marco Salemi
A thorough understanding of the role of HIV intra-host evolution in AIDS pathogenesis has been limited by the need for longitudinally sampled viral sequences from the vast target space within the host, which are often difficult to obtain from human subjects. CD8+ lymphocyte-depleted macaques infected with simian immunodeficiency virus (SIV) provide an increasingly utilized model of pathogenesis due to similar clinical manifestations as HIV-1 infection and AIDS progression, as well as characteristic rapid disease onset...
September 20, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28931438/global-collaborative-healthcare-assessing-the-resource-requirements-at-a-leading-academic-medical-center
#17
REVIEW
Nicole J Rosson, Heitham T Hassoun
INTRODUCTION: Academic Medical Centers ("AMCs") have served as a hub of the United States ("US") health system and represented the state-of-the art in American health care for well over a century. Currently, the global healthcare market is both massive and expanding and is being altered by the unprecedented impact of technological advances and globalization. This provides AMCs a platform to enter into trans-national collaborative partnerships with healthcare organizations around the world, thus providing a means to deliver on its promise globally while also expanding and diversifying its resources...
September 20, 2017: Globalization and Health
https://www.readbyqxmd.com/read/28931222/the-role-of-human-immunodeficiency-virus-associated-vasculopathy-in-the-etiology-of-stroke
#18
Laura A Benjamin, Theresa J Allain, Henry Mzinganjira, Myles D Connor, Colin Smith, Sebastian Lucas, Elizabeth Joekes, Sam Kampondeni, Karen Chetcuti, Ian Turnbull, Mark Hopkins, Steve Kamiza, Elizabeth L Corbett, Robert S Heyderman, Tom Solomon
Background: Human immunodeficiency virus (HIV) infection is a recognized risk factor for stroke among young populations, but the exact mechanisms are poorly understood. We studied the clinical, radiologic, and histologic features of HIV-related ischemic stroke to gain insight into the disease mechanisms. Methods: We conducted a prospective, in-depth analysis of adult ischemic stroke patients presenting to Queen Elizabeth Central Hospital, Blantyre, Malawi, in 2011...
September 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28926991/-found-performance-towards-a-musical-methodology-for-exploring-the-aesthetics-of-care
#19
Stuart Wood
Concepts of performance in fine art reflect key processes in music therapy. Music therapy enables practitioners to reframe patients as performers, producing new meanings around the clinical knowledge attached to medical histories and constructs. In this paper, music therapy practices are considered in the wider context of art history, with reference to allied theories from social research. Tracing a century in art that has revised the performativity of found objects (starting with Duchamp's "Fountain"), and of found sound (crystallised by Cage's 4' 33) this paper proposes that music therapy might be a pioneer methodology of "found performance"...
September 18, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28924616/soil-transmitted-helminth-infections-are-not-associated-with-compromised-antibody-responses-to-previously-administered-measles-and-tetanus-vaccines-among-hiv-1-infected-art-na%C3%A3-ve-kenyan-adults
#20
Helen L Storey, Benson Singa, Jackie Naulikha, Helen Horton, Barbra A Richardson, Grace John-Stewart, Judd L Walson
In many regions of sub-Saharan Africa, both HIV and helminth infections are prevalent. HIV-1 (human immunodeficiency virus type 1) and helminth infections can both compromise immune responses in humans. To determine whether the presence of helminth infection or the treatment of helminth infection alters unstimulated vaccine responses among HIV-1 infected individuals, we conducted two nested serologic studies. Blood samples were collected for HIV disease monitoring and vaccine-specific serologic assays, while stool was evaluated by direct microscopy methods...
February 2017: Parasite Epidemiology and Control
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