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Sudhindra Baliga
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January 2018: Journal of the Indian Society of Pedodontics and Preventive Dentistry
L L Pereira, A P Ferreira, W G Vale, L R Serique, Kal Neves, A C Morini, B M Monteiro, Ahh Minervino
This study had the aim of investigating the efficiency of timed artificial insemination (TAI) through the progesterone-releasing intravaginal device (PRID), used in new condition and for the second and third times in Nelore cows. The effects of device reuse and body condition score (BCS) on the conception rate (CR) were evaluated in 1,122 multiparous Nelore cows (mean BCS of 2.7 ± 0.4), which were randomly distributed into three groups that received new (n = 330), once (n = 439) and twice used (n = 353) PRID...
February 9, 2018: Reproduction in Domestic Animals, Zuchthygiene
Terin T Sytsma, Holly S Ryan, Nirusha Lachman, Sanjeev Kakar, Jay Smith
OBJECTIVE: During ultrasound guided carpal tunnel release (USCTR), osseous landmarks may supplement direct visualization of the distal transverse carpal ligament (dTCL) to ensure a complete release. The purpose of this study was to determine the relationship between the apex of the hook of the hamate (aHH) and the dTCL within the transverse safe zone (TSZ) of the carpal tunnel. DESIGN: Twenty unembalmed cadaveric specimens were dissected to determine the aHH-dTCL distance and the aHH-SPA distance (the distance between the aHH and the superficial palmar arch) at the ulnar and radial limits of the TSZ (the distance between the hook of the hamate or ulnar artery to the median nerve)...
January 29, 2018: American Journal of Physical Medicine & Rehabilitation
Shuang Li, Xue Lu, Jiang Bin Feng, Mei Tian, Qing Jie Liu
The aim of the present study is to analyze the global research trend of radiation-responsive genes and identify the highly reproducible radiation-responsive genes. Bibliometric methods were applied to analyze the global research trend of radiation-responsive genes. We found 79 publications on radiation-responsive genes from 2000 to 2017. A total of 35 highly reproducible radiation-responsive genes were identified. Most genes are involved in response to DNA damage, cell proliferation, cell cycle regulation, and DNA repair...
November 2017: Biomedical and Environmental Sciences: BES
Paulina Gonzalez, Bertrand Vileno, Karolina Bossak, Youssef El Khoury, Petra Hellwig, Wojciech Bal, Christelle Hureau, Peter Faller
Peptides and proteins with the N-terminal motifs NH2 -Xxx-His and NH2 -Xxx-Zzz-His form well-established Cu(II) complexes. The canonical peptides are Gly-His-Lys and Asp-Ala-His-Lys (from the wound healing factor and human serum albumin, respectively). Cu(II) is bound to NH2 -Xxx-His via three nitrogens from the peptide and an external ligand in the equatorial plane (called 3N form here). In contrast, Cu(II) is bound to NH2 -Xxx-Zzz-His via four nitrogens from the peptide in the equatorial plane (called 4N form here)...
December 18, 2017: Inorganic Chemistry
Maria I Stamou, Neoklis A Georgopoulos
Isolated Gonadotropin-Releasing Hormone (GnRH) Deficiency (IGD) IGD is a genetically and clinically heterogeneous disorder. Mutations in many different genes are able to explain ~40% of the causes of IGD, with the rest of cases remaining genetically uncharacterized. While most mutations are inherited in X-linked, autosomal dominant, or autosomal recessive pattern, several IGD genes are shown to interact with each other in an oligogenic manner. In addition, while the genes involved in the pathogenesis of IGD act on either neurodevelopmental or neuroendocrine pathways, a subset of genes are involved in both pathways, acting as "overlap genes"...
November 3, 2017: Metabolism: Clinical and Experimental
Pengling Sun, Xiaoli Guo, Yujiao Chen, Wei Zhang, Huawei Duan, Ai Gao
Benzene is widely employed in the field of production, and its toxicity on biological systems has received increasing attention. Cell proliferation is a major life characteristic of living organisms. KLF15 and NOTCH1 are mature and classical genes in cell proliferation studies, particularly in the area of tumor investigation. The aim of this study was to investigate the effect and mechanism of VNN3 on cell proliferation induced by 1,4-benzoquinone (1,4-BQ), an important metabolite of benzene, and obtain a sensitive biomarker for the hazard screening and health care of benzene exposure...
February 2018: Environmental Pollution
E Carlos Rodriguez-Merchan, Hortensia De la Corte-Rodriguez
The management of acute hemophilic hemarthrosis (AHH) classically has consisted of factor replacement therapy and RICE (rest, ice, compression and elevation). However, there is still a controversy in the literature regarding the role of local cryotherapy (LC) in AHH. Areas covered: The aim of this article is to review the potential role of LC in AHH. Expert commentary: Some authors have reported that LC attenuates joint inflammation and has a positive influence on controlling articular swelling and temperature...
December 2017: Expert Review of Hematology
Alejandra V Quiroga, Paula Aphalo, Agustina E Nardo, María C Añón
Among the factors affecting the development of cardiovascular diseases, hypertension is one of the most important. Research done on amaranth proteins has demonstrated their hypotensive capacity in vivo and in vitro; nevertheless, the mechanism underlying this effect remains unclear. The aim of this study was to analyze in vitro the inhibition of peptides derived from an amaranth hydrolysate (AHH) on other RAS enzymes other than ACE. The chymase and renin activities were studied. AHH was not able to inhibit chymase activity, although a dose-response effect was found on renin activity (IC50 0...
August 30, 2017: Journal of Agricultural and Food Chemistry
Nadeem Javaid, Farwa Ahmed, Zahid Wadud, Nabil Alrajeh, Mohamad Souheil Alabed, Manzoor Ilahi
Underwater wireless sensor networks (UWSNs) facilitate a wide range of aquatic applications in various domains. However, the harsh underwater environment poses challenges like low bandwidth, long propagation delay, high bit error rate, high deployment cost, irregular topological structure, etc. Node mobility and the uneven distribution of sensor nodes create void holes in UWSNs. Void hole creation has become a critical issue in UWSNs, as it severely affects the network performance. Avoiding void hole creation benefits better coverage over an area, less energy consumption in the network and high throughput...
August 1, 2017: Sensors
Kathleen Ell, María P Aranda, Shinyi Wu, Hyunsung Oh, Pey-Jiuan Lee, Jeffrey Guterman
The study evaluated depression and self-care management among patients with diabetes and/or heart disease in a 12-month randomized trial conducted in Los Angeles County Department of Health Services (LAC-DHS) community clinics. We compared LAC-DHS clinic usual care (UC) versus A-Helping-Hand (AHH) intervention in which bilingual promotoras, hired and supervised by the research project, provided 6 weekly psychoeducational sessions followed by boosters. Of 1957 screened, 348 depressed patients (PHQ-9 score≥10) were enrolled, randomized to AHH (n=178) or UC (n=170) after baseline interview assessing mental health, treatment receipt, co-morbid illness, self-care management, and environmental stressors...
July 3, 2017: Contemporary Clinical Trials
Kwang Bo Jung, Ye Seul Son, Hana Lee, Cho-Rok Jung, Janghwan Kim, Mi-Young Son
Cardiomyocyte (CM) differentiation techniques for generating adult-like mature CMs remain imperfect, and the plausible underlying mechanisms remain unclear; however, there are a number of current protocols available. Here, to explore the mechanisms controlling cardiac differentiation, we analyzed the genome-wide transcription dynamics occurring during the differentiation of human pluripotent stem cells (hPSCs) into CMs using embryoid body (EB) formation. We optimized and updated the protocol to efficiently generate contracting CMs from hPSCs by adding fetal bovine serum (FBS) as a medium supplement, which could have a significant impact on the efficiency of cardiac differentiation...
July 25, 2017: Molecular BioSystems
Bela Horvath, Daniela Allende, Hao Xie, John Guirguis, Jennifer Jeung, James Lapinski, Deepa Patil, Arthur J McCullough, Srinivasan Dasarathy, Xiuli Liu
BACKGROUND: Alcoholic hepatitis (AH) is one of the most severe forms of alcoholic liver disease. Recently, a histologic scoring system for predicting prognosis in this patient cohort was proposed as Alcoholic Hepatitis Histologic Score (AHHS). We aimed to assess interobserver variability in recognizing histologic features of AH and the effect of this variability on the proposed AHHS categories. METHODS: Hematoxylin-eosin- and trichrome-stained slides from 32 patients diagnosed with AH with liver biopsies within 1 month of presentation (2000 to 2015) were reviewed by 5 pathologists including 3 liver pathologists and 2 gastrointestinal (GI) pathologists masked to the clinical findings or outcome...
September 2017: Alcoholism, Clinical and Experimental Research
Jong Jin Oh, Sangchul Lee, Sung Yong Cho, Sang Wook Lee, Min Chul Cho, Woong Na, Ju Hyeon Park, Seung Bae Lee, Soyeon Ahh, Chang Wook Jeong
To evaluate the effect of naftopidil 75 mg once daily for ureteral double-J (DJ) stent-related discomfort after a ureteroscopic procedure using a multicenter, randomized, double-blinded, placebo-controlled study. 100 patients with indwelled retrograde DJ ureteral stents after ureteroscopic stone removal or retrograde intrarenal surgery (RIRS) were randomized 1:1 to receive either placebo or naftopidil during the stenting period. At the time of stent removal, the Ureteral Stent Symptom Questionnaire (USSQ), the International Prostate Symptom Score and the total amount of used analgesics were reported...
June 23, 2017: Scientific Reports
Katherine E Chapman, George R Hoffmann, Shareen H Doak, Gareth J S Jenkins
Hormesis is defined as a biphasic dose-response where biological effects of low doses of a stressor demonstrate the opposite effect to high-dose effects of the same stressor. Hormetic, or J-shaped, dose-response relationships are relatively rarely observed in toxicology, resulting in a limited understanding and even some skepticism of the concept. Low dose-response studies for genotoxicity endpoints have been performed at Swansea University for over a decade. However, no statistically significant decreases below control genotoxicity levels have been detected until recently...
July 2017: Mutation Research
Marci Smeltz, Laura Rowland-Faux, Céline Ghiran, William F Patterson, Steven B Garner, Alan Beers, Quentin Mièvre, Andrew S Kane, Margaret O James
Following the 2010 Gulf of Mexico oil spill, concerns were raised regarding exposure of fish to crude oil components, particularly polycyclic aromatic hydrocarbons (PAHs). This three year study examined hepatic enzymes in post-mitochondrial supernatant fractions from red snapper (Lutjanus campechanus) and gray triggerfish (Balistes capriscus) collected in the north central Gulf of Mexico between 2011 and 2014. Biomarker activities evaluated included benzo(a)pyrene hydroxylase (AHH), ethoxyresorufin O-deethylase (EROD), glutathione transferase (GST), and glutathione peroxidase (GPx)...
August 2017: Marine Environmental Research
Cong Liu, Jing Liu, Yuhui Hao, Ying Gu, Zhangyou Yang, Hong Li, Rong Li
PURPOSE: 6,7,3',4'-tetrahydroxyisoflavone (T3) is a novel chemically synthesized compound reported in our previous study. This study was designed to explore the radioprotective effect of T3, and if so, its potential mechanisms. MATERIALS AND METHODS: KunMing mice were exposed to various doses of γ irradiation (60 Co) after being treated with dimethyl sulfoxide (DMSO) or T3. Briefly, survival rate, dose reducing factor (DRF), body weight change (%), spleen index (SI) and thymus index (TI) of irradiated mice with or without different doses of T3 treatment were evaluated routinely...
August 2017: International Journal of Radiation Biology
Shuang Li, Qing-Zhao Zhang, De-Qin Zhang, Jiang-Bin Feng, Qun Luo, Xue Lu, Xin-Ru Wang, Kun-Peng Li, De-Qing Chen, Xiao-Feng Mu, Ling Gao, Qing-Jie Liu
The identification of rapid, sensitive and high‑throughput biomarkers is imperative in order to identify individuals harmed by radiation accidents, and accurately evaluate the absorbed doses of radiation. DNA microarrays have previously been used to evaluate the alterations in growth/differentiation factor 15 (GDF15) gene expression in AHH‑1 human lymphoblastoid cells, following exposure to γ‑rays. The present study aimed to characterize the relationship between the dose of ionizing radiation and the produced effects in GDF‑15 gene expression in AHH‑1 cells and human peripheral blood lymphocytes (HPBLs)...
June 2017: Molecular Medicine Reports
Tayyaba Afsar, Suhail Razak, Muhammad Rashid Khan, Ali Almajwal
BACKGROUND: Oxidative stress may link to psychiatric disorders, and is being regarded as a plausible mechanism that can affect the regulation of these illnesses. The present study was undertaken to investigate the antidepressant and anxiolytic potential of A. hydaspica R. parkers. Brain oxidative stress enzyme levels were analyzed to correlate depression and stress with brain antioxidant status. METHODS: Antidepressant and anxiolytic effect of methanol extract of A...
April 24, 2017: BMC Complementary and Alternative Medicine
Pengling Sun, Jing Wang, Xiaoli Guo, Yujiao Chen, Caihong Xing, Ai Gao
LncRNA has been considered to play a crucial role in the progression of several diseases by affecting cell proliferation. However, its role in benzene toxicity remains unclear. Our study showed that the expression of lncRNA-OBFC2A increased accompanied with the change of cell proliferation related-genes in benzene-exposed workers. In vitro experiments, 1,4-Benzoquinone dose-dependently inhibited cell proliferation and simultaneously caused the decrease of NOTCH1 expression and the increase of KLF15 in AHH-1 cell lines...
June 20, 2017: Oncotarget
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