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https://www.readbyqxmd.com/read/29913543/recommendations-for-the-use-of-testosterone-in-male-transgender
#1
Laura Bregieiro Fernandes Costa, Ana Carolina Japur de Sá Rosa-E-Silva, Sebastião Freitas de Medeiros, Andrea Prestes Nacul, Bruno Ramalho de Carvalho, Cristina Laguna Benetti-Pinto, Daniela Angerame Yela, Gustavo Arantes Rosa Maciel, José Maria Soares Júnior, Técia Maria de Oliveira Maranhão
Gender incongruence is defined as a condition in which an individual self-identifies and desires to have physical characteristics and social roles that connote the opposite biological sex. Gender dysphoria is when an individual displays the anxiety and/or depression disorders that result from the incongruity between the gender identity and the biological sex. The gender affirmation process must be performed by a multidisciplinary team. The main goal of the hormone treatment is to start the development of male physical characteristics by means of testosterone administration that may be offered to transgender men who are 18 years old or over...
May 2018: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/29913540/-significance-of-matrix-augmented-bone-marrow-stimulation-for-treatment-of-cartilage-defects-of-the-knee-a-consensus-statement-of-the-dgou-working-group-on-tissue-regeneration
#2
Philipp Niemeyer, Christoph Becher, Matthias Buhs, Stefan Fickert, Kolja Gelse, Daniel Günther, Raphael Kaelin, Peter Kreuz, Jörg Lützner, Stefan Nehrer, Henning Madry, Stefan Marlovits, Julian Mehl, Henning Ott, Matthias Pietschmann, Gunther Spahn, Thomas Tischer, Martin Volz, Markus Walther, Götz Welsch, Johannes Zellner, Wolfgang Zinser, Peter Angele
Surgical principles for treatment of full-thickness cartilage defects of the knee include bone marrow stimulation techniques (i.e. arthroscopic microfracturing) and transplantation techniques (i.e. autologous chondrocyte implantation and osteochondral transplantation). On the basis of increasing scientific evidence, indications for these established therapeutical concepts have been specified and clear recommendations for practical use have been given. Within recent years, matrix-augmented bone marrow stimulation has been established as a new treatment concept for chondral lesions...
June 18, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29913458/triploid-colubrid-snake-provides-insight-into-the-mechanism-of-sex-determination-in-advanced-snakes
#3
Michail Rovatsos, Barbora Augstenová, Marie Altmanová, Michal Sloboda, Petr Kodym, Lukáš Kratochvíl
The advanced snakes (Caenophidia), the important amniote lineage encompassing more than 3,000 living species, possess highly conserved female heterogamety across all families. However, we still lack any knowledge on the gene(s) and the molecular mechanism controlling sex determination. Triploid individuals spontaneously appear in populations of diploid species and can provide an important insight into the evolution of sex determination. Here, we report a case of spontaneous triploidy in a male of the twin-spotted ratsnake (Elaphe bimaculata) with ZZW sex chromosomes...
June 19, 2018: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/29913426/heat-treatment-improves-the-immunomodulatory-and-cellular-antioxidant-behavior-of-a-natural-flavanone-eriodictyol
#4
Rihab Khlifi, Zaineb Dhaouefi, Mouna Maatouk, Aicha Sassi, Najet Boudhiba, Irina Ioannou, Kamel Ghedira, Leila Chekir-Ghedira, Soumaya Kilani-Jaziri
Plants and natural molecules are generally consumed not in raw state but after different processing conditions (heating, mechanical agitation or cooking). The understanding of the chemistry and biological outcome of thermal treatment is still scarce. In the current study, Eriodictyol, a natural flavanone, has undergone heat treatment, generating hence three different products ((3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid, (3-(3,4-dihydroxyphenyl) propanal) and an unidentified component). The consequences of aforementioned treatment on the immunomodulatory behavior of resulted molecules were evaluated...
June 15, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29913423/effect-of-aminopeptidase-n-on-functions-and-fertility-of-mouse-spermatozoa-in-vitro
#5
Amena Khatun, Kyu-Ho Kang, Do-Yeal Ryu, Md Saidur Rahman, Woo-Sung Kwon, Myung-Geol Pang
Aminopeptidase N (APN) is defined as a multifunctional enzyme, which regulate cellular physiology of a wide variety of cells in human. Earlier studies reported that mammalian semen shares this common enzyme as a major protein of seminal plasma that has correlation with male fertility, while the regulatory mechanisms of APN in spermatozoa are still far from being well understood. Present study was designed to investigate the role of APN in biological and chemical functions of spermatozoa using an in vitro antagonistic approach...
June 12, 2018: Theriogenology
https://www.readbyqxmd.com/read/29913399/effects-of-salinity-build-up-on-the-performance-and-microbial-community-of-partial-denitrification-granular-sludge-with-high-nitrite-accumulation
#6
Jiantao Ji, Yongzhen Peng, Bo Wang, Wenke Mai, Xiyao Li, Qiong Zhang, Shuying Wang
High inorganic salts inevitably impose a toxic impact on biological treatment processes. In this study, the effect of salinity on the performance and microbial community structures of partial-denitrification (PD) was firstly investigated. Results showed the denitrifying activities of non-domesticated PD sludge were completely inhibited under a temporary high salinity (≥1.5 wt%). However, after domestication, denitrifying activities maintained above 50% of the maximum with salinity build-up step-by-step from 0...
May 31, 2018: Chemosphere
https://www.readbyqxmd.com/read/29913366/applying-predictive-models-to-decipher-rhizobacterial-modifications-in-common-reed-die-back-affected-populations
#7
Giovanni Bacci, Martina Cerri, Lorenzo Lastrucci, Francesco Ferranti, Valentina Ferri, Bruno Foggi, Daniela Gigante, Roberto Venanzoni, Daniele Viciani, Alessio Mengoni, Lara Reale, Andrea Coppi
The microbiota inhabiting the soil, as well as the rhizosphere, represents a key determinant of several plant functions. Like for humans, dysbiosis of the plant-associated microbiota may be a co-causal agent in disease with still obscure eziology. In the last decades, the common reed Phragmites australis has been deeply studied for its disappearance from natural stands, but no clear causative agents have been identified and no laboratory models of such "reed die-back syndrome" (RDBS) have been developed...
June 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29913350/nt-probnp-is-a-potential-mediator-between-reduced-ejection-fraction-and-depression-in-patients-with-heart-failure
#8
Pedro Zuzarte, Gustavo Scola, Angela Duong, Kari Kostiw, Maria L Figueira, Atilio Costa-Vitali
Depression and anxiety are prevalent in patients with heart failure (HF). Reduced ejection fraction (EF) and increased N-terminal-prohormone B-type natriuretic peptide (NT-proBNP) have been shown to be independently associated with depressive symptoms and may therefore increase HF disease progression and mortality. This study evaluated whether NT-proBNP mediated the impact of reduced EF on depressive and anxiety symptoms in patients with HF. Participants (n = 124) were patients with a diagnosis of chronic HF enrolled in the Heart Failure Disease Management Program at Health Sciences North...
June 9, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29913334/abnormal-placentation-current-evidence-and-review-of-the-literature
#9
REVIEW
Ioannis G Papanikolaou, Ekaterini Domali, George Daskalakis, Marianna Theodora, Eirini Telaki, Petros Drakakis, Dimitrios Loutradis
Abnormal placentation often requires the involvement of a multidisciplinary team of medical caregivers. Practicing Obstetrics is a challenging and skillful duty. This is more obvious in cases of abnormal placentation, which represents one of the most dangerous and complex clinical conditions in materno-fetal medicine. Pathological placentation involves position and invasion abnormalities and represents a serious and potentially life-threatening condition for both the pregnant woman and the fetus. The dramatic increase in cesarean section rates is an important factor which could explain the rapid raise in abnormal placentation cases, which were considered rare a few years ago...
June 5, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29913301/in-vivo-and-in-vitro-anti-inflammatory-effects-of-sophora-flavescens-residues
#10
Hongyan Ma, Qi Huang, Wenshan Qu, Linyuan Li, Min Wang, Shao Li, Fujiang Chu
ETHNOPHARMACOLOGICAL RELEVANCE: The dried roots of Sophora flavescens Ait. (Leguminosae) is traditionally used as antipyretic medicine to reduce inflammation. It is well known that alkaloids and flavonoids are the main constituents of S. flavescens. However, the clinical researches and applications of S. flavescens is mainly based on its water-extracted alkaloids, its flavonoids may still remain in residues and have been underused. With development and manufacturing of S. flavescens in recent years, more herb residues are being produced...
June 15, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29913281/most-patients-with-gastroesophageal-reflux-disease-who-failed-proton-pump-inhibitor-therapy-also-have-functional-esophageal-disorders
#11
Jason Abdallah, Nina George, Takahisa Yamasaki, Stephen Ganocy, Ronnie Fass
BACKGROUND & AIMS: As many as 45% of patients with gastroesophageal reflux disease (GERD) still have symptoms after receiving once-daily proton pump inhibitor (PPI) therapy. We aimed to compare reflux characteristics and patterns between responders and non-responders to once-daily PPI therapy using combined impedance-pH monitoring. METHODS: Patients who reported heartburn and/or regurgitation at least twice per week for 3 months while receiving standard-dose PPI therapy were assigned to the PPI failure group (n=16)...
June 15, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29913272/sirna-lipopolymer-nanoparticles-to-arrest-growth-of-chronic-myeloid-leukemia-cells-in-vitro-and-in-vivo
#12
Juliana Valencia-Serna, Hamidreza M Aliabadi, Adam Manfrin, Mahsa Mohseni, Xiaoyan Jiang, Hasan Uludag
Therapies for the treatment of Chronic Myeloid Leukemia and other leukemias are still limited for patients at advanced stages, which allow development of point mutations in the BCR-ABL fusion gene that render CML cells insensitive to therapies. An effective non-viral delivery system based on lipopolymers is described in this study to deliver specific siRNAs to CML cells for therapeutic gene silencing. The lipopolymer, based on the lipid α-linolenic acid (αLA) substitution on low molecular weight polyethyleneimine (PEI), was used to deliver siRNA against the BCR-ABL gene and, the resultant therapeutic effect was evaluated in in vitro and in vivo CML models...
June 15, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29913244/during-development-ng2-glial-cells-of-the-spinal-cord-are-restricted-to-the-oligodendrocyte-lineage-but-generate-astrocytes-upon-acute-injury
#13
Wenhui Huang, Xianshu Bai, Laura Stopper, Bogdan Catalin, Luciana Politti Cartarozzi, Anja Scheller, Frank Kirchhoff
NG2 glia are self-renewal cells widely populating the entire central nervous system (CNS). The differentiation potential of NG2 glia in the brain has been systematically studied. However, the fate of NG2 glia in the spinal cord during development and after injury is still unclear. Here, we took advantage of faithful expression of Cre in NG2-CreERT2 knock-in mice to demonstrate that spinal NG2 glia remain committed to the oligodendrocyte (OL) lineage and generate OLs, but not astrocytes or neurons, during development...
June 15, 2018: Neuroscience
https://www.readbyqxmd.com/read/29913221/cell-penetrating-peptides-in-ocular-drug-delivery-state-of-the-art
#14
REVIEW
S Pescina, C Ostacolo, I M Gomez-Monterrey, M Sala, A Bertamino, F Sonvico, C Padula, P Santi, A Bianchera, S Nicoli
Despite the increasing number of effective therapeutics for eye diseases, their treatment is still challenging due to the presence of effective barriers protecting eye tissues. Cell Penetrating Peptides (CPPs), synthetic and natural short amino acid sequences able to cross cellular membrane thanks to a transduction domain, have been proposed as possible enhancing strategies for ophthalmic delivery. In this review, a general description of CPPs classes, design approaches and proposed cellular uptake mechanisms will be provided to the reader as an introduction to ocular CPPs application, together with an overview of the main problems related to ocular administration...
June 15, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29913184/superparamagnetic-iron-oxide-nanocolloids-in-mri-studies-of-neuroinflammation
#15
Lorenzo Ugga, Valeria Romeo, Enrico Tedeschi, Arturo Brunetti, Mario Quarantelli
Iron oxide (IO) nanocolloids are being increasingly used to image cellular contribution to neuroinflammation using MRI, as these particles are capable of labeling circulating cells with phagocytic activity, allowing to assess cell trafficking from the blood to neuroinflammation sites. The use of IOs relies on the natural phagocytic properties of immune cells, allowing their labeling either in vitro or directly in vivo, following intravenous injection. Despite concerns on the specificity of the latter approach, the widespread availability and relatively low cost of these techniques, coupled to a sensitivity that allows to reach single cell detection, have promoted their use in several preclinical and clinical studies...
June 15, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29913153/pag1-promotes-the-inherent-radioresistance-of-laryngeal-cancer-cells-via-activation-of-stat3
#16
Li Shen, Qing Ke, Jingjing Chai, Chuanyi Zhang, Li Qiu, Feng Peng, Xinzhou Deng, Zhiguo Luo
Phosphoprotein associated with glycosphingolipid-enriched microdomains 1(PAG1) is a ubiquitous protein that is essential for the development and progression of various malignancies. A previous study in our laboratory confirmed that PAG1 plays an important role in modulating the inherent radioresistance of laryngeal cancer cells, but the underlying mechanisms are still poorly defined. In this study, we found that PAG1 was significantly increased in laryngeal cancer tissues compared to adjacent non-tumor tissues (P < 0...
June 15, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29913081/anxiety-management-participants-experiences-of-a-physiotherapeutic-group-treatment-in-swedish-psychiatric-outpatient-care
#17
Helena Ölund, Louise Danielsson, Susanne Rosberg
Anxiety disorders are among the most persistent mental health syndromes. There is extensive research showing effectiveness of pharmacotherapy and psychotherapy interventions targeting anxiety, while knowledge is still sparse for other treatment options. The aim of this study was to explore how participants with anxiety disorders experience a physiotherapeutic group treatment in psychiatric outpatient care, and their perceived ability to manage anxiety within two months after participating in the treatment. Semi-structured interviews with participants were conducted to explore experiences of the treatment...
June 18, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29913063/mixed-copper-states-in-anodized-cu-electrocatalyst-for-stable-and-selective-ethylene-production-from-co2-reduction
#18
Si Young Lee, Hyejin Jung, Nak-Kyoon Kim, Hyung-Suk Oh, Byoung Koun Min, Yun Jeong Hwang
Oxygen-Cu (O-Cu) combination catalysts have recently achieved highly improved selectivity for ethylene production from the electrochemical CO2 reduction reaction (CO2RR). In this study, we developed anodized copper (AN-Cu) Cu(OH)2 catalysts by a simple electrochemical synthesis method and achieved ~40% Faradaic efficiency for ethylene production, and high stability over 40 hours. Notably, the initial reduction conditions applied to AN-Cu were critical to achieving selective and stable ethylene production activity from the CO2RR, as the initial reduction condition af-fects the structures and chemical states, crucial for highly selective and stable ethylene production over methane...
June 18, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29913042/a-personal-perspective-on-the-science-ethics-and-commercialization-of-xenotransplantation
#19
Martine Rothblatt
A parent of a child with a fatal lung disease decides to try to save her first with improved pharmaceuticals to hold the disease at bay, and then with an unlimited supply of transplantable lungs to cure the disease and manage the consequences of eventual organ rejection. The parent needs to surmount science, ethics, and commercialization issues for organ transplantation to be a practical cure, and several of those issues are particularly difficult for xenotransplanation. After half-a-decade of effort, the parent's personal journey has resulted in a 100-fold increase in the number of hours that pulmonary xenografts are viable, but still remains significantly shy of commercial viability and still leaves some ethical issues open...
May 2018: Xenotransplantation
https://www.readbyqxmd.com/read/29912921/information-processes-of-task-switching-and-modality-shifting-across-development
#20
Anna Peng, Natasha Z Kirkham, Denis Mareschal
Developmental research on flexible attentional control in young children has often focused on the role of attention in task-switching in a unimodal context. In real life, children must master the art of switching attention not only between task demands, but also between sensory modalities. Previous study has shown that young children can be efficient at switching between unimodal tasks when the situation allows, incurring no greater task-switching costs than adults. However, young children may still experience a greater demand to shift attention between modalities than older participants...
2018: PloS One
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