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https://www.readbyqxmd.com/read/28214151/association-of-types-of-dyspnea-including-bendopnea-with-cardiopulmonary-disease-in-primary-care
#1
Diana María Martínez Cerón, Maria Luiza Garcia Rosa, Antônio Jose Lagoeiro Jorge, Wolney de Andrade Martins, Evandro Tinoco Mesquita, Monica Di Calafriori Freire, Dayse Mary da Silva Correia, Hye Chung Kang
INTRODUCTION: Dyspnea is the symptom most commonly reported by patients with heart failure (HF) and/or pulmonary disease, the obese and the elderly. Recently 'bendopnea' (shortness of breath when bending forward) has been described in patients with HF. OBJECTIVE: To determine the association of exertional dyspnea, orthopnea, paroxysmal nocturnal dyspnea and bendopnea with chronic disease, especially heart failure, and their phenotypes in primary care. METHODS: This cross-sectional study included 633 individuals aged between 45 and 99 years enrolled in a primary care program in Niteroi, Brazil...
February 14, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28210781/adolescent-cocaine-exposure-enhances-goal-tracking-behavior-and-impairs-hippocampal-cell-genesis-selectively-in-adult-bred-low-responder-rats
#2
M Julia García-Fuster, Aram Parsegian, Stanley J Watson, Huda Akil, Shelly B Flagel
RATIONALE: Environmental challenges during adolescence, such as drug exposure, can cause enduring behavioral and molecular changes that contribute to life-long maladaptive behaviors, including addiction. Selectively bred high-responder (bHR) and low-responder (bLR) rats represent a unique model for assessing the long-term impact of adolescent environmental manipulations, as they inherently differ on a number of addiction-related traits. bHR rats are considered "addiction-prone," whereas bLR rats are "addiction-resilient," at least under baseline conditions...
February 16, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28210506/combined-supplementation-of-choline-and-docosahexaenoic-acid-during-pregnancy-enhances-neurodevelopment-of-fetal-hippocampus
#3
Huban Thomas Rajarethnem, Kumar Megur Ramakrishna Bhat, Malsawmzuali Jc, Siva Kumar Gopalkrishnan, Ramesh Babu Mugundhu Gopalram, Kiranmai Sesappa Rai
Choline is an essential nutrient for humans which plays an important role in structural integrity and signaling functions. Docosahexaenoic acid (DHA) is a polyunsaturated fatty acid, highly enriched in cell membranes of the brain. Dietary intake of choline or DHA alone by pregnant mothers directly affects fetal brain development and function. But no studies show the efficacy of combined supplementation of choline and DHA on fetal neurodevelopment. The aim of the present study was to analyze fetal neurodevelopment on combined supplementation of pregnant dams with choline and DHA...
2017: Neurology Research International
https://www.readbyqxmd.com/read/28210212/differential-behavioral-and-neurobiological-effects-of-chronic-corticosterone-treatment-in-adolescent-and-adult-rats
#4
Jitao Li, Xiaomeng Xie, Youhong Li, Xiao Liu, Xuemei Liao, Yun-Ai Su, Tianmei Si
Adolescence is a critical period with ongoing maturational processes in stress-sensitive systems. While adolescent individuals show heightened stress-induced hormonal responses compared to adults, it is unclear whether and how the behavioral and neurobiological consequences of chronic stress would differ between the two age groups. Here we address this issue by examining the effects of chronic exposure to the stress hormone, corticosterone (CORT), in both adolescent and adult animals. Male Sprague-Dawley (SD) rats were injected intraperitoneally with CORT (40 mg/kg) or vehicle for 21 days during adolescence (post-natal day (PND) 29-49) or adulthood (PND 71-91) and then subjected to behavioral testing or sacrifice for western blot analyses...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28208233/neonatal-exposure-to-endocrine-disrupting-chemicals-impair-learning-behaviour-by-disrupting-hippocampal-organization-in-male-swiss-albino-mice
#5
Rakesh Bhaskar, Ashish K Mishra, Banalata Mohanty
Hippocampus is highly susceptible to endocrine disrupting chemicals exposure particularly during the critical phase of brain development. In the present study, mice offspring were exposed to endocrine disruptors mancozeb (MCZ) and imidacloprid (IMI) individually (40 mg MCZ and 0.65 mg IMI/kg/day) as well as to their equimixture (40 mg MCZ + 0.65 mg IMI/kg/day) through the diet of lactating mothers from post-natal day (PND) 1 to PND 28. Half of the randomly selected male offspring were killed at PND 29 and the rest half were left unexposed and killed at PND 63...
February 16, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28204904/high-risk-individuals-perceptions-of-reproductive-genetic-testing-for-cdh1-mutations
#6
Nina Hallowell, Shirlene Badger, Sue Richardson, Carlos Caldas, Richard H Hardwick, Rebecca C Fitzgerald, Julia Lawton
Reproductive genetic testing- PreNatal Diagnosis (PND) and Preimplantation Genetic Diagnosis (PGD)-for CDH1 mutations associated with Hereditary Diffuse Gastric Cancer (HDGC)is available in the UK. This qualitative interview study examined high-risk individuals' (n = 35) views of CDH1 reproductive genetic testing. Interviewees generally regarded reproductive genetic testing as an acceptable form of HDGC risk management. However, some were concerned that their genetic risks required them to plan reproduction and anticipated difficulties communicating this to reproductive partners...
February 15, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28203578/supersized-atheroma-causing-acquired-coarctation-of-aorta-leading-to-heart-failure
#7
Sajin Karakattu, Ghulam Murtaza, Sharma Dinesh, Kamesh Sivagnanam, Jeffrey Schoondyke, Timir Paul
Calcified atheromatous aortic lesion causing significant narrowing of the aorta is an uncommon clinical entity. This calcified atheroma leads to obstruction of the lumen of the aorta simulating acquired coarctation of aorta causing impaired perfusion of lower limbs, visceral ischemia, and hypertension. We report a case of 58-year-old patient who presented with dyspnea on exertion, orthopnea, paroxysmal nocturnal dyspnea, 25-lb weight gain, lower extremity edema, and chest pain. Extensive workup including computed tomography and magnetic resonance imaging revealed a large calcific mass in the aortic arch causing his presenting symptoms...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28202350/chronic-social-instability-increases-anxiety-like-behavior-and-ethanol-preference-in-male-long-evans-rats
#8
Alyssa R Roeckner, Alexandra Bowling, Tracy R Butler
Chronic stress during adolescence is related to increased prevalence of anxiety disorders and alcohol use disorders in humans. This phenotype has been consistently recapitulated in animal models with male subjects, but models using female subjects are fewer. The aim of these studies was to test the hypothesis that chronic social instability (CSI) during adolescence engenders increased anxiety-like behavior, increased corticosterone, and greater ethanol intake and/or preference than control groups in male and female rats...
February 13, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28185939/ph-redox-and-photothermal-tri-responsive-dna-polyethylenimine-conjugated-gold-nanorod-as-nanocarrier-for-specific-intracellular-co-release-of-doxorubicin-and-chemosensitizer-pyronaridine-to-combat-multidrug-resistant-cancer
#9
Yun Wang, Zhipeng Zhang, Shaohui Xu, Feihu Wang, Yuanyuan Shen, Shengtang Huang, Shengrong Guo
Pharmacotherapy of multidrug resistant (MDR) cancer remains a challenging task in clinic. Herein, a pH-responsive DNA and disulfide-linked polyethylenimine functionalized gold nanorod was developed for specific co-delivery of chemotherapeutic agent doxorubicin (DOX) and chemosensitizer pyronaridine (PND) to effectively overcome MDR cancer cells. DOX and PND were firstly carried by a multifunctional nanocomplex for reversing MDR cancer. The nanocomplex can responsively and rapidly release its drugs payload under acidic pH environment (pH, ~ 5), intracellular GSH concentration content (5mM) and/or 808nm NIR laser irradiation...
February 6, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28182483/characterization-of-vocalizations-emitted-in-isolation-by-california-mouse-peromyscus-californicus-pups-throughout-the-postnatal-period
#10
Sarah A Johnson, Michele S Painter, Angela B Javurek, Claire R Murphy, Emily C Howald, Zoya Z Khan, Caroline M Conard, Kristal L Gant, Mark R Ellersieck, Frauke Hoffmann, A Katrin Schenk, Cheryl S Rosenfeld
Rodent species, such as monogamous and biparental California mice, produce vocalizations as a means of communication. A temporal examination of vocalizations produced by California mice pups in isolation was performed. Pup recordings were performed for 3 min at ∼10.00 and 14.00 hrs on early postnatal days (PND) 2-4, 7, 21, and 28. Once initial recordings were finished, pups were returned to the home cage with parents and any siblings for 5 minutes to determine if active biparental responses resulted in an enhanced vocalization response when pups were isolated and retested...
February 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28182105/neuroplastic-correlates-in-the-mpfc-underlying-the-impairment-of-stress-coping-ability-and-cognitive-flexibility-in-adult-rats-exposed-to-chronic-mild-stress-during-adolescence
#11
Yu Zhang, Feng Shao, Qiong Wang, Xi Xie, Weiwen Wang
Using a valid chronic mild stress (CMS) model of depression, we found that adolescent (postnatal days [PND] 28-41) CMS induced transient alterations in anhedonia that did not persist into adulthood after a 3-week recovery period. Previously stressed adult rats exhibited more immobility/despair behaviors in the forced swimming test and a greater number of trials to reach criterion in the set-shifting task, suggesting the impaired ability to cope with stressors and the cognitive flexibility that allows adaptation to dynamic environments during adulthood...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28168441/late-effect-of-developmental-exposure-to-3-3-iminodipropionitrile-on-neurogenesis-in-the-hippocampal-dentate-gyrus-of-mice
#12
Yasuko Hasegawa-Baba, Takeshi Tanaka, Yousuke Watanabe, Liyun Wang, Megu Itahashi, Toshinori Yoshida, Makoto Shibutani
The effects of developmental exposure to 3,3'-iminodipropionitrile (IDPN), a neurotoxicant that causes proximal axonopathy, on mouse hippocampal neurogenesis was examined. Pregnant mice were exposed to IDPN at 0, 600, or 1200 ppm in their drinking water from gestational day 6 to postnatal day (PND) 21. On PND 21, male offspring showed increased postmitotic neuron-specific NeuN-immunoreactive((+)) granule cell numbers in the dentate subgranular zone (SGZ) and granule cell layer (GCL) and decreased glutamate receptor gene Grin2d levels in the dentate gyrus at 1200 ppm...
February 6, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28167496/a-maternal-western-diet-during-gestation-and-lactation-modifies-offspring-s-microbiota-activity-blood-lipid-levels-cognitive-responses-and-hippocampal-neurogenesis-in-yucatan-pigs
#13
David Val-Laillet, Marie Besson, Sylvie Guérin, Nicolas Coquery, Gwénaëlle Randuineau, Ameni Kanzari, Hélène Quesnel, Nathalie Bonhomme, J Elizabeth Bolhuis, Bas Kemp, Sophie Blat, Isabelle Le Huërou-Luron, Caroline Clouard
A suboptimal early nutritional environment (i.e., excess of energy, sugar, and fat intake) can increase susceptibility to diseases and neurocognitive disorders. The purpose of this study was to investigate in nonobese Yucatan minipigs (Sus scrofa) the impact of maternal diet [standard (SD) vs. Western (WD) diet] during gestation and 25 d of lactation on milk composition, blood metabolism, and microbiota activity of sows (n = 17) and their piglets (n = 65), and on spatial cognition (n = 51), hippocampal plasticity (n = 17), and food preferences/motivation (n = 51) in the progeny...
February 6, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28164936/the-effects-of-acoustic-white-noise-on-the-rat-central-auditory-system-during-the-fetal-and-critical-neonatal-periods-a-stereological-study
#14
Mohammad Saied Salehi, Mohammad Reza Namavar, Amin Tamadon, Raziyeh Bahmani, Mohammad Reza Jafarzadeh Shirazi, Homayoun Khazali, Leila Dargahi, Sareh Pandamooz, Farzad Mohammad-Rezazadeh, Fatemeh Sadat Rashidi
AIM: To evaluate the effects of long-term, moderate level noise exposure during crucial periods of rat infants on stereological parameters of medial geniculate body (MGB) and auditory cortex. MATERIALS AND METHODS: Twenty-four male offspring of 12 pregnant rats were divided into four groups: fetal-to-critical period group, which were exposed to noise from the last 10 days of fetal life till postnatal day (PND) 29; fetal period group that exposed to noise during the last 10 days of fetal life; critical period group, exposed to noise from PND 15 till PND 29, and control group...
January 2017: Noise & Health
https://www.readbyqxmd.com/read/28153643/7-fluoro-1-3-diphenylisoquinoline-1-amine-reverses-the-reduction-in-self-care-behavior-induced-by-maternal-separation-stress-in-rats-by-modulating-glutamatergic-gabaergic-systems
#15
Ana Paula Pesarico, Suzan G Rosa, Eluza C Stangherlin, Anderson C Mantovani, Gilson Zeni, Cristina Wayne Nogueira
7-Fluoro-1,3-diphenylisoquinoline-1-amine (FDPI) is a promising isoquinoline that elicits an antidepressant-like action in rodents. In this study, an animal model of stress induced by maternal separation was used to investigate the effects of FDPI in Wistar rats of 30 and 90 days of age. It was investigated the effects of maternal separation in the self-care behavior and the contribution of glutamatergic and gamma-aminobutyric acid (GABA)ergic systems in the FDPI action. Male Wistar rats were separated from their mothers for 3 h/day from postnatal day (PND) 1-10...
January 22, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28141955/investigational-new-drugs-for-allergic-rhinitis
#16
Peter A Ricketti, Sultan Alandijani, Chen Hsing Lin, Thomas B Casale
Allergic rhinitis (AR) is a multifactorial disease characterized by paroxysmal symptoms of sneezing, rhinorrhea, postnasal drip and nasal congestion. For over a century, subcutaneous allergen immunotherapy (SCIT) has been recognized as the most effective therapy to date that may modify the underlying disease course and provide long-term benefits for individuals refractory to pharmacotherapy. However, over the past 25 years, there has been substantial growth in developing alternative therapies to traditional SCIT...
January 31, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28137427/hypercaloric-diet-prevents-sexual-impairment-induced-by-maternal-food-restriction
#17
M M Bernardi, D J Macrini, E Teodorov, L V Bonamin, L C Dalboni, C P Coelho, G P Chaves-Kirsten, J C Florio, N Queiroz-Hazarbassanov, E F Bondan, T B Kirsten
Prenatal undernutrition impairs copulatory behavior and increases the tendency to become obese/overweight, which also reduces sexual behavior. Re-feeding rats prenatally undernourished with a normocaloric diet can restore their physiological conditions and copulatory behavior. Thus, the present study investigated whether a hypercaloric diet that is administered in rats during the juvenile period prevents sexual impairments that are caused by maternal food restriction and the tendency to become overweight/obese...
January 28, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28131622/perinatal-nicotine-treatment-induces-transient-increases-in-nacho-protein-levels-in-the-rat-frontal-cortex
#18
Franziska Wichern, Majbrit M Jensen, Ditte Z Christensen, Jens D Mikkelsen, Marjorie C Gondré-Lewis, Morten S Thomsen
The nicotinic acetylcholine receptor (nAChR) regulator chaperone (NACHO) was recently identified as an important regulator of nAChR maturation and surface expression. Here we show that NACHO levels decrease during early postnatal development in rats. This decrease occurs earlier and to a greater degree in the frontal cortex (FC) compared with the hippocampus (HIP). We further show that rats exposed to nicotine during pre- and postnatal development exhibit significantly higher NACHO levels in the FC at postnatal day (PND) 21, but not at PND60...
January 25, 2017: Neuroscience
https://www.readbyqxmd.com/read/28119110/attitudes-toward-prenatal-genetic-testing-and-therapeutic-termination-of-pregnancy-among-parents-of-offspring-with-prader-willi-syndrome
#19
REVIEW
Noa Even-Zohar Gross, Talia Geva-Eldar, Yehuda Pollak, Harry J Hirsch, Itai Gross, Varda Gross-Tsur
INTRODUCTION: Prenatal diagnosis (PND) raises ethical dilemmas such as the option of termination of pregnancy (TOP) in cases with severe outcome. Prader-Willi Syndrome (PWS), a complex neurogenetic syndrome with high morbidity and mortality throughout life. Recently, a unique prenatal phenotype was reported and TOP becomes a possibility. OBJECTIVE: To explore factors influencing the attitudes of parents of PWS children toward PND and TOP concerning a hypothetical pregnancy with a PWS fetus...
January 22, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28116675/anesthetic-considerations-for-patients-with-esophageal-achalasia-undergoing-peroral-endoscopic-myotomy-a-retrospective-case-series-review
#20
Benjamin Löser, Yuki B Werner, Mark A Punke, Bernd Saugel, Sebastian Haas, Daniel A Reuter, Oliver Mann, Anna Duprée, Guido Schachschal, Thomas Rösch, Martin Petzoldt
PURPOSE: Peroral endoscopic myotomy (POEM) is a novel technique for treating esophageal achalasia. During POEM, carbon dioxide (CO2) is insufflated to aid surgical dissection, but it may inadvertently track into surrounding tissues, causing systemic CO2 uptake and tension capnoperitoneum. This in turn may affect cardiorespiratory function. This study quantified these cardiorespiratory effects and treatment by hyperventilation and percutaneous abdominal needle decompression (PND). METHODS: One hundred and seventy-three consecutive patients who underwent POEM were included in this four-year retrospective study...
January 23, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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