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https://www.readbyqxmd.com/read/28346117/on-the-communicative-function-of-body-odors
#1
Jasper H B de Groot, Gün R Semin, Monique A M Smeets
Humans use multiple senses to navigate the social world, and the sense of smell is arguably the most underestimated one. An intriguing aspect of the sense of smell is its social communicative function. Research has shown that human odors convey information about a range of states (e.g., emotions, sickness) and traits (e.g., individuality, gender). Yet, what underlies the communicability of these states and traits via smell? We fill this explanatory gap with a framework that highlights the dynamic and flexible aspects of human olfactory communication...
March 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28344597/high-biologically-effective-dose-radiation-therapy-using-brachytherapy-in-combination-with-external-beam-radiotherapy-for-high-risk-prostate-cancer
#2
Keisei Okamoto, Akinori Wada, Naoaki Kohno
PURPOSE: To evaluate the outcomes of high-risk prostate cancer patients treated with biologically effective dose (BED) ≥ 220 Gy of high-dose radiotherapy, using low-dose-rate (LDR) brachytherapy in combination with external beam radiotherapy (EBRT) and short-term androgen deprivation therapy (ADT). MATERIAL AND METHODS: From 2005 to 2013, a total of 143 patients with high-risk prostate cancer were treated by radiotherapy of BED ≥ 220 Gy with a combination of LDR brachytherapy, EBRT, and androgen deprivation therapy (ADT)...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28344405/biochemical-components-of-seminal-plasma-and-their-correlation-to-the-fresh-seminal-characteristics-in-marwari-stallions-and-poitou-jacks
#3
Thirumala Rao Talluri, Gorakh Mal, Sanjay Kumar Ravi
AIM: To investigate various biochemical components of seminal plasma in Marwari stallions and Poitou Jacks and to find out their correlation with that of the seminal characteristics. MATERIALS AND METHODS: In this study, semen was collected from six Marwari stallions and six Poitou jacks aged from 4 to 6 years and with known fertility status. The semen collection from the stallions were collected during the breeding season, i.e., between the months of April and June...
February 2017: Veterinary World
https://www.readbyqxmd.com/read/28343563/effect-of-thermal-exposure-on-physiological-adaptability-and-seminal-attributes-of-rams-under-semi-arid-environment
#4
Kalyan De, Davendra Kumar, Krishnappa Balaganur, Vijay Kumar Saxena, Palanisamy Thirumurugan, Syed Mohammed Khursheed Naqvi
Thermal stress in hot semi-arid environment is a major limitation of sheep production in tropical and sub-tropical climatic condition. The animals tend to maintain homeostasis through physiological adjustments in a hot environment (maximum temperature reaches up to 47.5°C). Therefore, the present study was carried out to assess the effect of thermal exposure on physiological adaptability and seminal attributes of rams under semi-arid environment. The experiment was conducted for eight weeks involving sixteen Malpura crossbred rams (GMM: Garole X Malpura X Malpura)...
April 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28341974/free-radical-and-superoxide-reactivity-detection-in-semen-quality-assessment-past-present-and-future
#5
REVIEW
Jaime Gosalvez, Eva Tvrda, Ashok Agarwal
Oxidative stress is a well-established cause of male infertility, with reactive oxygen species (ROS) impairing sperm production, motility, membrane, and DNA integrity. Currently, most clinics do not test infertile patients for the imbalance between ROS generation and the ability of the antioxidants to scavenge them, although there is a clear need for andrology laboratories to be able to identify and/or quantify seminal oxidative stress. As such there is a clinical urgency for an inexpensive and easy-to-perform assay able to identify oxidative stress in semen...
March 25, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28341929/molecular-characterisation-of-four-echinostomes-digenea-echinostomatidae-from-birds-in-new-zealand-with-descriptions-of-echinostoma-novaezealandense-n-sp-and-echinoparyphium-poulini-n-sp
#6
Simona Georgieva, Isabel Blasco-Costa, Aneta Kostadinova
Morphological and molecular characterisation of echinostome specimens (Digenea: Echinostomatidae) recovered in one Anas platyrhynchos L. and one Cygnus atratus (Latham) (Anseriformes: Anatidae) from New Zealand revealed the presence of two known species, Echinostoma miyagawai Ishii, 1932 and Echinoparyphium ellisi (Johnston & Simpson, 1944) and two species new to science. Comparative morphological and phylogenetic analyses supported the distinct species status of Echinostoma novaezealandense n. sp. ex Branta canadensis (L...
March 24, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28340598/myelin-specific-multiple-sclerosis-antibodies-cause-complement-dependent-oligodendrocyte-loss-and-demyelination
#7
Yiting Liu, Katherine S Given, Danielle E Harlow, Adeline M Matschulat, Wendy B Macklin, Jeffrey L Bennett, Gregory P Owens
Intrathecal immunoglobulin G (IgG) synthesis, cerebrospinal fluid (CSF) oligoclonal IgG bands and lesional IgG deposition are seminal features of multiple sclerosis (MS) disease pathology. Both the specific targets and pathogenic effects of MS antibodies remain poorly characterized. We produced IgG1 monoclonal recombinant antibodies (rAbs) from clonally-expanded plasmablasts recovered from MS patient CSF. Among these were a subset of myelin-specific MS rAbs. We examined their immunoreactivity to mouse organotypic cerebellar slices by live binding and evaluated tissue injury in the presence and absence of human complement...
March 24, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28335493/melatonin-mt%C3%A2-and-mt%C3%A2-receptors-in-the-ram-reproductive-tract
#8
Marta González-Arto, David Aguilar, Elena Gaspar-Torrubia, Margarita Gallego, Melissa Carvajal-Serna, Luis V Herrera-Marcos, Edith Serrano-Blesa, Thais Rose Dos Santos Hamilton, Rosaura Pérez-Pé, Teresa Muiño-Blanco, José A Cebrián-Pérez, Adriana Casao
Some melatonin functions in mammals are exerted through MT₁ and MT₂ receptors. However, there are no reports of their presence in the reproductive tract of the ram, a seasonal species. Thus, we have investigated their existence in the ram testis, epididymis, accessory glands and ductus deferens. Real-time polymerase chain reaction (qPCR) revealed higher levels of m-RNA for both receptors in the testis, ampulla, seminal vesicles, and vas deferens, than in the other organs of the reproductive tract (p < 0...
March 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335420/efforts-and-challenges-in-engineering-the-genetic-code
#9
REVIEW
Xiao Lin, Allen Chi Shing Yu, Ting Fung Chan
This year marks the 48th anniversary of Francis Crick's seminal work on the origin of the genetic code, in which he first proposed the "frozen accident" hypothesis to describe evolutionary selection against changes to the genetic code that cause devastating global proteome modification. However, numerous efforts have demonstrated the viability of both natural and artificial genetic code variations. Recent advances in genetic engineering allow the creation of synthetic organisms that incorporate noncanonical, or even unnatural, amino acids into the proteome...
March 14, 2017: Life
https://www.readbyqxmd.com/read/28335084/identification-of-new-bmp6-pro-peptide-mutations-in-patients-with-iron-overload
#10
Chiara Piubelli, Annalisa Castagna, Giacomo Marchi, Monica Rizzi, Fabiana Busti, Sadaf Badar, Monia Marchetti, Marco De Gobbi, Antonella Roetto, Luciano Xumerle, Eda Suku, Alejandro Giorgetti, Massimo Delledonne, Oliviero Olivieri, Domenico Girelli
Hereditary Hemochromatosis (HH) is a genetically heterogeneous disorder caused by mutations in at least 5 different genes (HFE, HJV, TFR2, SLC40A1, HAMP) involved in the production or activity of the liver hormone hepcidin, a key regulator of systemic iron homeostasis. Nevertheless, patients with an HH-like phenotype that remains completely/partially unexplained despite extensive sequencing of known genes are not infrequently seen at referral centers, suggesting a role of still unknown genetic factors. A compelling candidate is Bone Morphogenetic Protein 6 (BMP6), which acts as a major activator of the BMP-SMAD signaling pathway, ultimately leading to the upregulation of hepcidin gene transcription...
March 23, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28334482/minimising-central-line-associated-bloodstream-infections-clabsis-rate-in-inserting-central-venous-catheters-cvcs-in-the-adult-intensive-care-units-aicus
#11
REVIEW
Hedaya Hina, Joan McDowell
AIM: To investigate the procedural aspects in inserting central venous catheters that minimise central line associated bloodstream infections rates in adult intensive care units through a structured literature review. BACKGROUND: In adult intensive care units (AICU), central line associated bloodstream infections (CLABSI) are a major cause of high mortality rates and increased in costs due to the consequences of complications. METHODS: Eligible articles were identified by combining indexed keywords using Boolean operator of "AND" under databases of Ovid and CINAHL...
March 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28332864/effect-of-density-gradient-centrifugation-on-reactive-oxygen-species-in-human-semen
#12
Teppei Takeshima, Yasushi Yumura, Shinnosuke Kuroda, Takashi Kawahara, Hiroji Uemura, Akira Iwasaki
Density gradient centrifugation can separate motile sperm from immotile sperm and other cells for assisted reproduction, but may also remove antioxidants from seminal plasma, resulting in oxidative stress. Therefore, we investigated reactive oxygen species (ROS) concentrations and distribution in semen before and after density gradient centrifugation. We assessed semen volume, sperm concentration, sperm motility, and ROS levels before and after density gradient centrifugation (300 x g for 20 minutes) in 143 semen samples from 118 patients...
March 23, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28332431/diagnosis-and-management-of-symptomatic-seminal-vesicle-calculi
#13
Michelle Christodoulidou, Arie Parnham, Raj Nigam
OBJECTIVE: The aim of this study was to review the management of patients with symptomatic seminal vesicle calculi, from presentation and diagnosis to postoperative outcomes. MATERIALS AND METHODS: A systematic review of the English literature in MEDLINE and Embase was performed, based on the following model: patients with a diagnosis of seminal vesicle calculi; all interventions considered with or without control groups with single and comparator interventions; outcomes considered were incidence, presentation, diagnostic methods and treatment...
March 23, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28332278/a-comparative-study-of-the-effects-of-intramuscular-administration-of-gonadorelin-mating-and-intrauterine-infusion-of-either-raw-seminal-plasma-or-seminal-plasma-purified-%C3%AE-ngf-on-luteal-development-in-llamas
#14
M Silva, F Urra, C Ulloa-Leal, M H Ratto
The aim of this study was to compare the effect of the intramuscular administration of 50 μg of gonadorelin acetate versus natural mating, intrauterine infusion (i.u.) of a physiological relevant dose of either raw llama seminal plasma (SP) or purified beta-nerve growth factor from seminal origin (spβ-NGF) on ovulation rate and corpus luteum (CL) development and function in llamas. Females with a follicle (≥8 mm) were assigned to groups: (i) i.m. administration of 50 μg of gonadorelin acetate (GnRH; positive control; n = 4); (ii) single mating (mating; n = 6); (iii) i...
March 22, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28332181/involvement-of-testicular-daam1-expression-in-zinc-protection-against-cadmium-induced-male-rat-reproductive-toxicity
#15
Marouane Chemek, Massimo Venditti, Sana Boughamoura, Safa Ben Mimouna, Imed Messaoudi, Sergio Minucci
In order to verify the effects of exposure to Cd and Zn on testicular DAAM1 gene and protein expression and also to ascertain their involvement in the protective role of Zn in prevent the testicular toxicity Cd-induced in male offspring rats at adult age after gestational and lactational exposure, male offspring rats, from mothers receiving either tap water, Cd, Zn or Cd + Zn during gestation and lactation periods, were scarified on postnatal days (PND) 70. The reproductive organ (testis, epididymis and vesicle seminal) were collected, weighed and analysed...
March 23, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28332118/nutrition-and-training-influences-on-the-regulation-of-mitochondrial-adenosine-diphosphate-sensitivity-and-bioenergetics
#16
REVIEW
Graham P Holloway
Since the seminal finding almost 50 years ago that exercise training increases mitochondrial content in skeletal muscle, a considerable amount of research has been dedicated to elucidate the mechanisms inducing mitochondrial biogenesis. The discovery of peroxisome proliferator-activated receptor γ co-activator 1α as a major regulator of exercise-induced gene transcription was instrumental in beginning to understand the signals regulating this process. However, almost two decades after its discovery, our understanding of the signals inducing mitochondrial biogenesis remain poorly defined, limiting our insights into possible novel training modalities in elite athletes that can increase the oxidative potential of muscle...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28330469/preclinical-evaluation-of-a-tex101-protein-elisa-test-for-the-differential-diagnosis-of-male-infertility
#17
Dimitrios Korbakis, Christina Schiza, Davor Brinc, Antoninus Soosaipillai, Theano D Karakosta, Christine Légaré, Robert Sullivan, Brendan Mullen, Keith Jarvi, Eleftherios P Diamandis, Andrei P Drabovich
BACKGROUND: TEX101 is a cell membrane protein exclusively expressed by testicular germ cells and shed into seminal plasma. We previously verified human TEX101 as a biomarker for the differential diagnosis of azoospermia, and developed a first-of-its-kind TEX101 ELISA. To demonstrate the clinical utility of TEX101, in this work we aimed at evaluating ELISA performance in a large population of fertile, subfertile, and infertile men. METHODS: Mass spectrometry, size-exclusion chromatography, ultracentrifugation, and immunohistochemistry were used to characterize TEX101 protein as an analyte in seminal plasma...
March 23, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28329782/theories-of-memory-and-aging-a-look-at-the-past-and-a-glimpse-of-the-future
#18
Denise C Park, Sara B Festini
The present article reviews theories of memory and aging over the past 50 years. Particularly notable is a progression from early single-mechanism perspectives to complex multifactorial models proposed to account for commonly observed age deficits in memory function. The seminal mechanistic theories of processing speed, limited resources, and inhibitory deficits are discussed and viewed as especially important theories for understanding age-related memory decline. Additionally, advances in multivariate techniques including structural equation modeling provided new tools that led to the development of more complex multifactorial theories than existed earlier...
June 2, 2016: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28326614/recombinant-expression-of-porcine-spermadhesin-awn-and-its-phospholipid-interaction-indication-for-a-novel-lipid-binding-property
#19
F Schröter, K Müller, P Müller, E Krause, B C Braun
AWN is a porcine (Sus scrofa domestica) seminal plasma protein and has been linked to a variety of processes related to fertilization. To acquire the protein in sufficient amount and purity for functional studies, we established its recombinant expression in E. coli and a three-step purification protocol based on different chromatographies. The test for AWN-phospholipid interaction revealed phosphatidic acid and cardiolipin as potential binding partners. As phosphatidic acid is surmised to play a role in cation-induced membrane destabilization and fusion events, we propose a membrane protective function of the presented binding affinity...
March 21, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28321773/salivary-duct-carcinoma-an-update-on-morphologic-mimics-and-diagnostic-use-of-androgen-receptor-immunohistochemistry
#20
Aaron M Udager, Simion I Chiosea
More than 15 years ago, seminal studies by Dr. E. Leon Barnes and colleagues transformed our understanding of salivary duct carcinoma (SDC) and, in doing so, paved the way for contemporary diagnostic and therapeutic approaches to this aggressive salivary adenocarcinoma. In particular, attention to the apocrine phenotype of SDC and expression of androgen receptor (AR) by immunohistochemistry has improved the diagnostic accuracy and showed how SDC can be reliably distinguished from its morphologic mimics (i.e...
March 20, 2017: Head and Neck Pathology
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