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https://www.readbyqxmd.com/read/28549202/polymorphism-in-the-beta-casein-gene-and-analysis-of-milk-characteristicsin-gir-and-guzer%C3%A3-dairy-cattle
#1
A H N Rangel, L G Zaros, T C Lima, L H F Borba, L P Novaes, L F M Mota, M S Silva
Several human health problems have been related to the allergenic constitution of bovine milk due to the body's immune reaction to milk proteins. It is necessary find solutions to minimize the occurrence of such reactions, given the importance of milk as a source of animal protein. The aim of this study was to evaluate the allelic frequency of the CSN2 gene and to evaluate differences in the characteristics of Gir and Guzerá bovine milk. One hundred and fifty-six cows were used (68 Gir and 88 Guzerá) from the Felipe Camarão Experimental Station herd of the Agricultural Research Corporation of RN (EMPARN)...
May 25, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28549171/identification-of-novel-voltage-gated-sodium-channel-mutations-in-human-head-and-body-lice-phthiraptera-pediculidae
#2
Samira Firooziyan, Ali Sadaghianifar, Behrooz Taghilou, Hossein Galavani, Eslam Ghaffari, Saber Gholizadeh
In recent years, the increase of head louse infestation in Iran (7.4%) and especially in West-Azerbaijan Province (248%) has raised the hypothesis of insecticide resistance development. There are different mechanisms of resistance to various groups of insecticides, and knockdown resistance (kdr) is a prominent mechanism of resistance to pyrethroids, an insecticide group which is used conventionally for pediculosis control. For detection of kdr-type well-known amino acid substitutions (M815I-T917I-L920F) and additional sodium channel mutations potentially associated with kdr resistance in head and body lice, louse populations were collected from West-Azerbaijan and Zanjan Provinces of Iran...
May 26, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28549096/the-molecular-mechanisms-of-obesity-paradox
#3
Alexios S Antonopoulos, Dimitris Tousoulis
Clinical observations suggest a complex relationship between human obesity and cardiovascular disease. Whilst abdominal (visceral) adiposity leads to deleterious metabolic disturbances, subcutaneous fat accumulation has a benign effect on cardiometabolic risk. Notably, an accumulating body of evidence paradoxically links increased body mass index with a better prognosis in patients with established cardiovascular disease, a finding that has been termed the 'obesity paradox'. While this is now acknowledged to be an epidemiological finding, a metabolically healthy obese group associated with low cardiovascular risk has also been identified...
May 26, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28548920/evaluation-of-biofidelity-of-thums-pedestrian-model-under-a-whole-body-impact-conditions-with-a-generic-sedan-buck
#4
Taotao Wu, Taewung Kim, Varun Bollapragada, David Poulard, Huipeng Chen, Matthew B Panzer, Jason L Forman, Jeff R Crandall, Bengt Pipkorn
OBJECTIVE: The goal of this study was to evaluate the biofidelity of the Total Human Model for Safety (THUMS; Ver. 4.01) pedestrian finite element models (PFEM) in a whole-body pedestrian impact condition using a well-characterized generic pedestrian buck model. METHODS: The biofidelity of THUMS PFEM was evaluated with respect to data from 3 full-scale postmortem human subject (PMHS) pedestrian impact tests, in which a pedestrian buck laterally struck the subjects using a pedestrian buck at 40 km/h...
May 29, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28548897/evening-light-exposure-to-computer-screens-disrupts-human-sleep-biological-rhythms-and-attention-abilities
#5
A Green, M Cohen-Zion, A Haim, Y Dagan
The use of electronic devices with light-emitting screens has increased exponentially in the last decade. As a result, humans are almost continuously exposed to unintentional artificial light. We explored the independent and combined effects of two aspects of screen illumination, light wavelength, and intensity, on sleep, its biological regulation, and related functional outcomes. The 2 × 2 repeated-measure design included two independent variables: screen light intensity (low ([LI] versus high [HI]) and wavelength (short [SWL] versus long [LWL])...
May 26, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28548677/destabilization-of-human-insulin-fibrils-by-peptides-of-fruit-bromelain-derived-from-ananas-comosus-pineapple
#6
Sromona Das, Debasish Bhattacharyya
Deposition of insulin aggregates in human body leads to dysfunctioning of several organs. Effectiveness of fruit bromelain from pineapple in prevention of insulin aggregate was investigated. Proteolyses of bromelain was done as par human digestive system and the pool of small peptides was separated from larger peptides and proteins. Under conditions of growth of insulin aggregates from its monomers, this pool of peptides restricted the reaction upto formation of oligomers of limited size. These peptides also destabilized preformed insulin aggregates to oligomers...
May 26, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28548497/discovery-of-a-human-neuromedin-u-receptor-1-selective-hexapeptide-agonist-with-enhanced-serum-stability
#7
Kentaro Takayama, Kenji Mori, Akiko Tanaka, Erina Nomura, Yuko Sohma, Miwa Mori, Akihiro Taguchi, Atsuhiko Taniguchi, Toshiyasu Sakane, Akira Yamamoto, Naoto Minamino, Mikiya Miyazato, Kenji Kangawa, Yoshio Hayashi
Neuromedin U (NMU), activates two NMU receptors (NMUR1 and NMUR2), and is a useful anti-obesity drug lead. We report discovery of a hexapeptide agonist, 2-thienylacetyl-Trp(1)-Phe(4-F)(2)-Arg(3)-Pro(4)-Arg(5)-Asn(6)-NH2 (4). However, the NMUR1 selectivity and serum stability of this agonist were unsatisfactory. Through a structure-activity relationship study focused on residue 2 of agonist 4, serum stability, and pharmacokinetic properties, we report here the discovery of a novel NMUR1 selective hexapeptide agonist 7b that suppresses body weight gain in mice...
May 26, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28547783/aortic-arch-origin-of-the-left-vertebral-artery-an-anatomical-and-radiological-study-with-significance-for-avoiding-complications-with-anterior-approaches-to-the-cervical-spine
#8
Gabrielle G Tardieu, Bryan Edwards, Fernando Alonso, Koichi Watanabe, Tsuyoshi Saga, Moriyoshi Nakamura, Mayuko Motomura, Raghu Sampath, Joe Iwanaga, Oded Goren, Stephen Monteith, Rod J Oskouian, Marios Loukas, R Shane Tubbs
INTRODUCTION: Complications from anterior approaches to the cervical spine are uncommon with normal anatomy. However, variant anatomy might predispose one to an increased incidence of injury during such procedures. We hypothesized that left vertebral arteries that arise from the aortic arch instead of the subclavian artery might take a more medial path in their ascent making them more susceptible to iatrogenic injury. MATERIALS AND METHODS: Fifty human adult cadavers were examined for left vertebral arteries having an aortic arch origin and these were dissected along their entire cervical course...
May 25, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28547762/dopamine-system-cerebellum-and-nucleus-ruber-in-fish-and-mammals
#9
REVIEW
Hideaki Matsui
Small teleost fish including zebrafish and medaka have been used as animal models for research because of their small body size, vast amounts of eggs produced, their rapid development, low husbandry costs, and transparency during embryogenesis. Although the body size and appearance seem different, fish and mammals including human still possess anatomical and functional similarities in their brains. This review summarizes the similarities of brain structures and functions between teleost fish and mammalian brains, focusing on the dopamine system, functional regionalization of the cerebellum, and presence of the nucleus ruber...
May 26, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28547001/new-mathematical-model-for-the-surface-area-of-the-left-ventricle-by-the-truncated-prolate-spheroid
#10
José Sérgio Domingues, Marcos de Paula Vale, Carlos Barreira Martinez
The main aim of this study was the formula application of the superficial area of a truncated prolate spheroid (TPS) in Cartesian coordinates in obtaining a cardiac parameter that is not so much discussed in literature, related to the left ventricle (LV) surface area of the human heart, by age and sex. First we obtain a formula for the area of a TPS. Then a simple mathematical model of association of the axes measures of a TPS with the axes of the LV is built. Finally real values of the average dimensions of the humans LV are used to measure surface areas approximations of this heart chamber...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28546953/perspective-highlights-on-biodegradable-polymeric-nanosystems-for-targeted-therapy-of-solid-tumors
#11
REVIEW
Marziyeh Fathi, Jaleh Barar
Introduction: Polymeric nanoparticles (NPs) formulated using biodegradable polymers offer great potential for development of de novo drug delivery systems (DDSs) capable of delivering a wide range of bioactive agents. They can be engineered as advanced multifunctional nanosystems (NSs) for simultaneous imaging and therapy known as theranostics or diapeutics. Methods: A brief prospective is provided on biomedical importance and applications of biodegradable polymeric NSs through reviewing the recently published literature...
2017: BioImpacts: BI
https://www.readbyqxmd.com/read/28546638/effects-of-obesity-on-liver-cytochromes-p450-in-various-animal-models
#12
Veronika Tomankova, Pavel Anzenbacher, Eva Anzenbacherova
The prevalence of obesity and other obesity-related diseases is increasing worldwide. Obesity is a disease characterized by increased body weight, or a condition resulting from excessive accumulation of body fat. Due to increased body fat deposits, obesity has also been associated with increased mortality resulting from higher incidence rates of hypertension, diabetes, or various types of cancer, such as breast, colorectal, cervical and prostate cancer. Physiological changes associated with obesity are likely to result in altered drug biotransformation...
May 25, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28546563/microbiota-in-t-cell-homeostasis-and-inflammatory-diseases
#13
REVIEW
Naeun Lee, Wan-Uk Kim
The etiology of disease pathogenesis can be largely explained by genetic variations and several types of environmental factors. In genetically disease-susceptible individuals, subsequent environmental triggers may induce disease development. The human body is colonized by complex commensal microbes that have co-evolved with the host immune system. With the adaptation to modern lifestyles, its composition has changed depending on host genetics, changes in diet, overuse of antibiotics against infection and elimination of natural enemies through the strengthening of sanitation...
May 26, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28546468/influence-of-maximal-fat-oxidation-on-long-term-weight-loss-maintenance-in-humans
#14
Sune Dandanell, Karina Husted, Signe Amdisen, Andreas Vigelsø, Flemming Dela, Steen Larsen, Jorn Wulff Helge
Impaired maximal fat oxidation has been linked to obesity and weight regain after weight loss. The aim was to investigate the relationship between maximal fat oxidation (MFO) and long-term weight loss maintenance. Eighty subjects (mean(SD)) (Age: 36(13) yrs; BMI: 38(1) kg/m(2)) were recruited from a total of 2420 former participants of an 11-12-week lifestyle intervention. Three groups were established based on % weight loss at follow-up (5.3(3.3) yrs): Clinical weight loss maintenance (CWL) >10% weight loss, moderate weight loss (MWL) 1-10%, and weight regain (WR)...
May 25, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28546124/stressor-driven-extracellular-acidosis-as-tumor-inducer-via-aberrant-enzyme-activation-a-review-on-the-mechanisms-and-possible-prophylaxis
#15
REVIEW
Seema Patel
When the extracellular pH of the human body vacillates in either direction, tissue homeostasis is compromised. Fluctuations in acidosis have been linked to a wide variety of pathological conditions, including bone loss, cancer, allergies, and auto-immune diseases. Stress conditions may affect oxygen tension and hypoxia modulates the expression and/or activity of membrane tethered transporters/pumps, transcription factors, enzymes and intercellular junctions. These modifications provoke erratic gene expression, aberrant tissue remodeling and oncogenesis...
May 22, 2017: Gene
https://www.readbyqxmd.com/read/28545526/effective-implementation-of-the-uncrpd-by-thailand-state-party-challenges-and-potential-remedies
#16
Donruedee Srisuppaphon, Arnon Sriboonroj, Wachara Riewpaiboon, Viroj Tangcharoensathien
BACKGROUND: The Thai government ratified the United Nations Convention on the Rights of Persons with Disabilities (UNCRPD) in 2008, and the first progress report by the State Party was issued in 2012. This study assesses and identifies gaps in the Government's implementation of the Convention. METHODS: Using the Deming Plan-Do-Check-Act Cycle as an analytical framework for continuous quality improvement, we reviewed five documents which are: the 2012 State Party report; the list of issues by the Committee on the Rights of Persons with Disabilities; the 2015 replies to the list of issues by the Thai government; an alternative report produced by Civil Society Organizations (CSOs); and an alternative report produced by the National Human Rights Commission of Thailand...
May 25, 2017: BMC International Health and Human Rights
https://www.readbyqxmd.com/read/28545504/a-case-report-of-zinc-phosphide-poisoning-complicated-by-acute-renal-failure-and-tubulo-interstitial-nephritis
#17
Nilukshana Yogendranathan, H M M T B Herath, Thenuka Sivasundaram, R Constantine, Aruna Kulatunga
BACKGROUND: Run Rat® is a rodenticide widely used against small mammals. It comprises of a minimum of 32% zinc phosphide which is highly toxic in acute exposures to humans. It may be consumed accidentally or intentionally. It enters the body via skin, respiratory and gastrointestinal tracts. Zinc phosphide is hydrolyzed by the gastric acid and is transformed into phosphine gas. Phosphine is a respiratory toxin that inhibits cytochrome C oxidase system resulting in renal failure and liver failure...
May 25, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28545469/age-related-terminal-duct-lobular-unit-involution-in-benign-tissues-from-chinese-breast-cancer-patients-with-luminal-and-triple-negative-tumors
#18
Changyuan Guo, Hyuna Sung, Shan Zheng, Jennifer Guida, Erni Li, Jing Li, Nan Hu, Joseph Deng, Jonine D Figueroa, Mark E Sherman, Gretchen L Gierach, Ning Lu, Xiaohong R Yang
BACKGROUND: Terminal duct lobular unit (TDLU) involution is a physiological process of breast tissue aging characterized by a reduction in the epithelial component. In studies of women with benign breast disease, researchers have found that age-matched women with lower levels of TDLU involution are at increased risk of developing breast cancer. We previously showed that breast cancer cases with core basal phenotype (CBP; estrogen receptor negative [ER(-)], progesterone receptor-negative [PR(-)], human epidermal growth factor receptor 2-negative [HER2(-)], cytokeratins (CK 5 or CK5/6)-positive [CK5/6(+)] and/or epidermal growth factor receptor-positive [EGFR(+)]) tumors had significantly reduced TDLU involution compared with cases with luminal A (ER(+) and/or PR(+), HER2(-), CK5/6(-), EGFR(-)) tumors from a population-based case-control study in Poland...
May 25, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28545373/modulation-of-aquaporins-by-dietary-patterns-and-plant-bioactive-compounds
#19
Piero Portincasa, Ilaria Cataldo, Anna Maggio, Patrizia Gena, Ornella de Bari, Grazia Tamma, Piero Portincasa, Calamita Giuseppe
Healthful dietary patterns and bioactive compounds supplementation can be adopted as simple and easy intervention to prevent, attenuate or cure clinical disorders, especially when it comes degenerative and chronic diseases. In the recent years, a growing body of evidence indicates Aquaporins (AQPs), a family of membrane channel proteins widely expressed in the human body, among the targets underlying the beneficial action played by some food nutrients and phytochemical compounds. Here, we provide an overview of what is known regarding the AQP modulation exerted by healthful dietary patterns and plant polyphenols...
May 23, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28545187/enterolactone-suppresses-proliferation-migration-and-metastasis-of-mda-mb-231-breast-cancer-cells-through-inhibition-of-upa-induced-plasmin-activation-and-mmps-mediated-ecm-remodeling
#20
Aniket V Mali, Asavari A Joshi, Mahabaleshwar V Hegde, Shivajirao S Kadam
Background: To enhance their own survival, tumor cells can manipulate their microenvironment through remodeling of the extra cellular matrix (ECM). The urokinase-type plasminogen activator (uPA) system catalyzes plasmin production which further mediates activation of matrix metalloproteinases (MMPs) and plays an important role in breast cancer invasion and metastasis through ECM remodeling. This provides a potential target for therapeutic intervention of breast cancer treatment. Enterolactone (EL) is derived from dietary flax lignans in the human body and is known to have anti-breast cancer activity...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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