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https://www.readbyqxmd.com/read/29040791/roles-of-mmu_pir_003399-in-microcystin-leucine-arginine-mc-lr-induced-reproductive-toxicity-in-the-spermatogonial-cells-and-testis
#1
Ling Zhang, Xiannan Meng, Zou Xiang, Dongmei Li, Xiaodong Han
Our previous work has demonstrated that microcystin-leucine arginine (MC-LR) is a potent toxin for the reproductive system of male mice and it exerts cytotoxicity in spermatogonial cells, resulting in the constitutional and functional changes of the mouse testis. The present study was designed to investigate the functions of P-element-induced wimpy (piwi)-interacting RNAs (piRNAs) in MC-LR-induced reproductive toxicity in male mice. We observed an increase in the mmu_piR_003399 level in spermatogonial cells and mouse testicular tissues following treatment with MC-LR...
October 12, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29039139/individualizing-the-tibial-tubercle-to-trochlear-groove-distance-to-patient-specific-anatomy-improves-sensitivity-for-recurrent-instability
#2
Mark J Heidenreich, Thomas L Sanders, Mario Hevesi, Nicholas R Johnson, Isabella T Wu, Christopher L Camp, Diane L Dahm, Aaron J Krych
PURPOSE: An initial episode of patellar instability poses a treatment challenge given the absence of a valid, reproducible, and universally applicable predictor of recurrence. Recently, a series of patellar instability ratios (PIRs) were described. Each ratio consisted of the traditional tibial tubercle to trochlear groove (TT-TG) distance normalized to patient-specific measures. The purpose of this study was to investigate the reliability and validity of these novel measures. METHODS: Eighty-seven patients experiencing a first-time lateral patellar dislocation were identified in a retrospective manner...
October 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29021976/learning-curves-for-laparoscopic-repair-of-inguinal-hernia-and-communicating-hydrocele-in-children
#3
Catarina Barroso, Péter Etlinger, Ana Luísa Alves, Angélica Osório, José Luís Carvalho, Ruben Lamas-Pinheiro, Jorge Correia-Pinto
INTRODUCTION: We analyzed the department and surgeon learning curves during implementation of the percutaneous internal ring suturing (PIRS) technique in our department. METHODS: Children proposed for inguinal hernia or communicating hydrocele repair were included (n = 607). After mentorship, all surgeons were free to propose open or PIRS repair. From gathered data, we assessed department and surgeon learning curves through cumulative experience focusing in perioperative complications, conversion, ipsilateral recurrence, postoperative complications, and metachronous hernia, with benchmarks defined by open repair...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28985728/outcomes-identified-and-prioritised-by-consumers-of-partners-in-recovery-a-consumer-led-study
#4
Shifra Waks, Justin Newton Scanlan, Bridget Berry, Richard Schweizer, Nicola Hancock, Anne Honey
BACKGROUND: Recovery oriented service provisions means focusing on outcomes that are important to consumers themselves rather than to clinicians or services. Partners in Recovery (PIR) is an Australia-wide initiative designed to provide service coordination and brokerage for individuals with severe and persistent mental illness. One PIR service engaged a consumer-led research team to evaluate the service from the perspective of consumers. This consumer-led study was established to explore PIR consumers' perceptions of outcomes they achieved through their involvement with PIR...
October 6, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28981533/an-improved-camera-trap-for-amphibians-reptiles-small-mammals-and-large-invertebrates
#5
Michael T Hobbs, Cheryl S Brehme
Camera traps are valuable sampling tools commonly used to inventory and monitor wildlife communities but are challenged to reliably sample small animals. We introduce a novel active camera trap system enabling the reliable and efficient use of wildlife cameras for sampling small animals, particularly reptiles, amphibians, small mammals and large invertebrates. It surpasses the detection ability of commonly used passive infrared (PIR) cameras for this application and eliminates problems such as high rates of false triggers and high variability in detection rates among cameras and study locations...
2017: PloS One
https://www.readbyqxmd.com/read/28978781/crystal-structure-of-pharmaceutical-cocrystals-of-2-6-diaminopyridine-with-piracetam-and-theophylline
#6
Melissa Hidekel Durán-Palma, Sonia Sanet Mendoza-Barraza, Nancy Evelyn Magaña-Vergara, Francisco Javier Martínez-Martínez, Juan Saulo González-González
Pharmaceutical cocrystals are crystalline solids formed by an active pharmaceutical ingredient and a cocrystal former. The cocrystals 2,6-diaminopyridine (DAP)-piracetam [PIR; systematic name: 2-(2-oxopyrrolidin-1-yl)acetamide] (1/1), C5H7N3·C6H10N2O2, (I), and 2,6-diaminopyridine-theophylline (TEO; systematic name: 1,3-dimethyl-7H-purine-2,6-dione) (1/1), C5H7N3·C7H8N4O2, (II), were prepared by the solvent-assisted grinding method and were characterized by IR spectroscopy and powder X-ray diffraction. Cocrystal (I) crystallized in the orthorhombic space group Pbca and showed a 1:1 stoichiometry...
October 1, 2017: Acta Crystallographica. Section C, Structural Chemistry
https://www.readbyqxmd.com/read/28976333/a-comparison-of-iterative-reconstruction-and-prone-imaging-in-reducing-the-inferior-wall-attenuation-in-tc-99m-sestamibi-myocardial-perfusion-spect
#7
Duygu Kuşlu, Emel Öztürk
OBJECTIVE: Prone positioning, iterative reconstruction (IR-OSEM) and electrocardiography (ECG) gating have been demonstrated to improve the specificity of myocardial perfusion SPECT (MPS) in the diagnosis of coronary artery disease. METHODS: The gated supine and prone MPS images of 45 patients were reconstructed with both IR-OSEM [supine (SIR) and prone (PIR)] FBPs [supine (SFBP), prone (PFBP)] for comparison. Perfusion, wall motion (WM) and wall thickening were also interpreted semi-quantitatively...
October 3, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28928791/wu-mei-wan-reduces-insulin-resistance-via-inhibition-of-nlrp3-inflammasome-activation-in-hepg2-cells
#8
Xueping Yang, Lingli Li, Ke Fang, Ruolan Dong, Jingbin Li, Yan Zhao, Hui Dong, Ping Yi, Zhaoyi Huang, Guang Chen, Fuer Lu
Wu-Mei-Wan (WMW) is a Chinese herbal formula used to treat type 2 diabetes. In this study, we aimed to explore the effects and mechanisms of WMW on insulin resistance in HepG2 cells. HepG2 cells were pretreated with palmitate (0.25 mM) to impair the insulin signaling pathway. Then, they were treated with different doses of WMW-containing medicated serum and stimulated with 100 nM insulin. Results showed that palmitate could reduce the glucose consumption rate in HepG2 cells and impair insulin signaling related to phosphorylation of insulin receptor (IR) and insulin receptor substrate-1 (IRS-1), thereby regulating the downstream signaling pathways...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28912525/pulse-transit-time-based-continuous-cuffless-blood-pressure-estimation-a-new-extension-and-a-comprehensive-evaluation
#9
Xiaorong Ding, Bryan P Yan, Yuan-Ting Zhang, Jing Liu, Ni Zhao, Hon Ki Tsang
Cuffless technique enables continuous blood pressure (BP) measurement in an unobtrusive manner, and thus has the potential to revolutionize the conventional cuff-based approaches. This study extends the pulse transit time (PTT) based cuffless BP measurement method by introducing a new indicator - the photoplethysmogram (PPG) intensity ratio (PIR). The performance of the models with PTT and PIR was comprehensively evaluated in comparison with six models that are based on sole PTT. The validation conducted on 33 subjects with and without hypertension, at rest and under various maneuvers with induced BP changes, and over an extended calibration interval, respectively...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912059/piracetam-inhibits-ethanol-etoh-induced-memory-deficit-by-mediating-multiple-pathways
#10
Yifan Yang, Jian Feng, Fangyuan Xu, Jianglin Wang
Excessive ethanol (EtOH) intake, especially to prenatal exposure, can significantly affect cognitive function and cause permanent learning and memory injures in children. As a result, how to protect children from EtOH neurotoxicity has gained increasing attention in recent years. Piracetam (Pir) is a nootropic drug derived from c-aminobutyric acid and can manage cognition impairments in multiple neurological disorders. Studies have shown that Pir can exert therapeutic effects on EtOH-induced memory impairments, but the underlying mechanism is still unknown...
September 11, 2017: Brain Research
https://www.readbyqxmd.com/read/28911802/transient-gestational-exposure-to-drinking-water-containing-excess-hexavalent-chromium-modifies-insulin-signaling-in-liver-and-skeletal-muscle-of-rat-progeny
#11
Navaneethabalakrishnan Shobana, Mariajoseph Michael Aruldhas, Lalmuankimi Tochhawng, Ayyalu Loganathan, Sadhasivam Balaji, Mani Kathiresh Kumar, Liaquat Alikhan Sheerin Banu, Ajit Kumar Navin, Chinnaiyan Mayilvanan, Ramachandran Ilangovan, Karundevi Balasubramanian
Chromium (Cr), an essential micronutrient potentiates insulin action, whereas excess hexavalent Cr (CrVI) acts as an endocrine disruptor. Pregnant mothers living in areas abutting industries using the metal and chromite ore dumps are exposed to ground water contaminated with Cr. Nevertheless, the impact of prenatal exposure to excess CrVI on insulin signaling in the progeny remains obscure. We tested the hypothesis "transient gestational exposure to drinking water containing excess CrVI may modify insulin signaling during postnatal life"...
September 11, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28898976/regulation-of-immune-and-neural-function-via-leukocyte-ig-like-receptors
#12
REVIEW
Kazuya Takeda, Akira Nakamura
Leukocyte Ig-like receptors (LILRs)/Ig-like transcripts (ILTs) are expressed on innate and adaptive immune cells and maintain immune homeostasis. LILRs consist of activating and inhibitory-type receptors that regulate adequate cellular functions. LILRs were firstly identified as MHC class I receptors, therefore expression and/or polymorphisms of LILRs are reported to associate with autoimmune disorders and transplant rejection; however, recent accumulating evidences have revealed that LILRs recognize with diverse ligands including bacteria and virus...
August 1, 2017: Journal of Biochemistry
https://www.readbyqxmd.com/read/28889942/differential-functions-of-wave-regulatory-complex-subunits-in-the-regulation-of-actin-driven-processes
#13
Christof Litschko, Joern Linkner, Stefan Brühmann, Theresia E B Stradal, Tobias Reinl, Lothar Jänsch, Klemens Rottner, Jan Faix
The WAVE regulatory complex (WRC) links upstream Rho-family GTPase signaling to the activation of the ARP2/3 complex in different organisms. WRC-induced and ARP2/3 complex-mediated actin nucleation beneath the plasma membrane is critical for actin assembly in the leading edge to drive efficient cell migration. The WRC is a stable heteropentamer composed of SCAR/WAVE, Abi, Nap, Pir and the small polypeptide Brk1/Hspc300. Functional interference with individual subunits of the complex frequently results in diminished amounts of the remaining polypeptides of the WRC complex, implying the complex to act as molecular entity...
September 4, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/28886077/exploration-of-ethno-medicinal-knowledge-among-rural-communities-of-pearl-valley-rawalakot-district-poonch-azad-jammu-and-kashmir
#14
Humaira Shaheen, Mirza Faisal Qaseem, Muhammad Shoaib Amjad, Piero Bruschi
BACKGROUND: Medicinal plants are the basic source of health care in the Pearl Valley District Poonch, Azad Jammu, and Kashmir. The basic aim of present study was to record information about the use of plants in herbal preparation and quantification of recorded data. MATERIALS AND METHODS: The research was conducted with the null hypothesis that there was no differential distribution of knowledge among the communities between genders and among different age groups in the study area and across cultural medicinal uses of the plants are similar...
2017: PloS One
https://www.readbyqxmd.com/read/28875854/cytomegalovirus-infection-the-neurodevelopmental-peptide-signatures
#15
Guglielmo Lucchese, Darja Kanduc
BACKGROUND AND OBJECTIVE: HCMV infection may cause neurodevelopmental disorders, including intellectual disability, hearing loss, cortical malformations, and calcifications. Theorizing about the still unknown molecular basis of HCMV-related diseases, this study analyzes the peptide sharing between HCMV, strains AD169 and Merlin, and human proteins, searching for shared sequences that might lead to crossreactive autoimmune injuries in the brain during immune responses following HCMV infection...
August 29, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/28840618/the-beneficial-effect-of-anthocyanidin-rich-vitis-vinifera-l-grape-skin-extract-on-metabolic-changes-induced-by-high-fat-diet-in-mice-involves-antiinflammatory-and-antioxidant-actions
#16
Gisele França da Costa, Izabelle Barcellos Santos, Graziele Freitas de Bem, Viviane Silva Cristino Cordeiro, Cristiane Aguiar da Costa, Lenize Costa Reis Marins de Carvalho, Dayane Teixeira Ognibene, Angela Castro Resende, Roberto Soares de Moura
We hypothesized that a polyphenol-rich extract from Vitis vinifera L. grape skin (GSE) may exert beneficial effects on obesity and related metabolic disorders induced by a high-fat diet (HFD). C57/BL6 mice were fed a standard diet (10% fat, control, and GSE groups) or an HFD (60% fat, high fat (HF), and HF + GSE) with or without GSE (200 mg/kg/day) for 12 weeks. GSE prevented weight gain; dyslipidemia; insulin resistance; the alterations in plasma levels of leptin, adiponectin, and resistin; and the deregulation of leptin and adiponectin expression in adipose tissue...
August 25, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28830705/caffeine-and-insomnia-in-people-living-with-hiv-from-the-miami-adult-studies-on-hiv-mash-cohort
#17
Venkataraghavan Ramamoorthy, Adriana Campa, Muni Rubens, Sabrina S Martinez, Christina Fleetwood, Tiffanie Stewart, Juan P Liuzzi, Florence George, Hafiz Khan, Yinghui Li, Marianna K Baum
We explored the relationship between caffeine consumption, insomnia, and HIV disease progression (CD4+ T cell counts and HIV viral loads). Caffeine intake and insomnia levels were measured using the Modified Caffeine Consumption Questionnaire and the Pittsburgh Insomnia Rating Scale (PIRS) in 130 clinically stable participants who were living with HIV, taking antiretroviral therapy, and recruited from the Miami Adult Studies on HIV cohort. Linear regressions showed that caffeine consumption was significantly and adversely associated with distress score, quality-of-life score, and global PIRS score...
November 2017: Journal of the Association of Nurses in AIDS Care: JANAC
https://www.readbyqxmd.com/read/28829774/a-large-scale-plasmodium-vivax-saimiri-boliviensis-trophozoite-schizont-transition-proteome
#18
D C Anderson, Stacey A Lapp, John W Barnwell, Mary R Galinski
Plasmodium vivax is a complex protozoan parasite with over 6,500 genes and stage-specific differential expression. Much of the unique biology of this pathogen remains unknown, including how it modifies and restructures the host reticulocyte. Using a recently published P. vivax reference genome, we report the proteome from two biological replicates of infected Saimiri boliviensis host reticulocytes undergoing transition from the late trophozoite to early schizont stages. Using five database search engines, we identified a total of 2000 P...
2017: PloS One
https://www.readbyqxmd.com/read/28826361/spermatozoa-expression-of-pir-31704-pir-39888-and-pir-40349-and-their-correlation-to-sperm-concentration-and-fertilization-rate-after-icsi
#19
Long Cui, Li Fang, Biwei Shi, Sunquan Qiu, Yinghui Ye
OBJECTIVE: To investigate the relationship between spermatozoa PIWI-interacting RNAs (piRNAs) levels and semen parameters and to evaluate the role of expression of piRNAs on fertilization and embryo development after intracytoplasmic sperm injection (ICSI) treatment. METHODS: One hundred and eighty-six patients with idiopathic male infertility who had undergone first ICSI cycles were enrolled in our study. The levels of piRNAs in spermatozoa were measured by real-time polymerase chain reaction...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28801942/cancer-risk-in-different-generations-of-middle-eastern-immigrants-to-california-1988-2013
#20
Clara Ziadeh, Argyrios Ziogas, Hoda Anton-Culver
The objective of this study is to compare cancer risk among different generations of Middle Eastern immigrants (ME) and non-Hispanic whites (NHW) in California between 1988 and 2013. We used data from the California Cancer Registry to identify invasive primary incident cancer cases in three population groups: (i) first-generation ME immigrants, (ii) second- or subsequent-generations ME immigrants, and (iii) NHW. Proportional incidence ratio (PIR) was used to compare cancer risk of the 15 selected most common cancers in the 3 population groups taking into consideration time since immigration for first-generation ME immigrants...
August 12, 2017: International Journal of Cancer. Journal International du Cancer
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