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https://www.readbyqxmd.com/read/27908421/low-magnesium-diet-alters-distribution-of-macroelements-and-trace-elements-in-tissues-and-organs-of-female-rats
#1
Anastasia A Zheltova, Maria V Kharitonova, Igor N Iezhitsa, Eugeny P Serebryansky, Oleg Y Evsyukov, Alexander A Spasov, Anatoly V Skalny
The aim of the present study was to assess whether dietary magnesium deficiency can alter distribution of macroelements and trace elements in different organs and tissues. Experiments were carried out on 12 adult female Wistar rats, which were fed either a diet with low Mg content (≤20mgkg(-1) of diet) (LMgD) or a diet with daily recommended Mg content (≈500mgkg(-1)) as control group (CG) for 70 days. On the 70th day of the experiment heart, aorta, femoral skeletal muscle, forebrain, cerebellum, pituitary gland, thyroid gland, ovaries, uterus, liver, kidneys, and spleen were taken for analysis of mineral content...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27060783/telocytes-in-female-reproductive-system-human-and-animal
#2
REVIEW
Veronika Aleksandrovych, Jerzy A Walocha, Krzysztof Gil
Telocytes (TCs) are a newly discovered type of cell with numerous functions. They have been found in a large variety of organs: heart (endo-, myo-, epi- and pericardium, myocardial sleeves, heart valves); digestive tract and annex glands (oesophagus, stomach, duodenum, jejunum, liver, gallbladder, salivary gland, exocrine pancreas); respiratory system (trachea and lungs); urinary system (kidney, renal pelvis, ureters, bladder, urethra); female reproductive system (uterus, Fallopian tube, placenta, mammary gland); vasculature (blood vessels, thoracic duct); serous membranes (mesentery and pleura); and other organs (skeletal muscle, meninges and choroid plexus, neuromuscular spindles, fascia lata, skin, eye, prostate, bone marrow)...
June 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27047162/two-dimensional-and-three-dimensional-ultrasonography-for-pregnancy-diagnosis-and-antenatal-fetal-development-in-beetal-goats
#3
Kailash Kumar, Ramesh Kumar Chandolia, Sarvan Kumar, Madan Pal, Kumar Sandeep
AIM: The objective of this study was to compare two-dimensional (2D) and three-dimensional (3D) study of the pregnant uterus and antenatal development of the fetus. MATERIALS AND METHODS: 2D and 3D ultrasound were performed from day 20 to 120 of gestation, twice in week from day 20 to 60 and once in week from day 60 to 120 of gestation on six goats. The ultrasonographic images were obtained using Toshiba, Nemio-XG (Japan) 3D ultrasound machine. RESULTS: On the 20(th) day of gestation, earliest diagnosis of pregnancy was done...
July 2015: Veterinary World
https://www.readbyqxmd.com/read/26954166/tudor-domain-containing-protein-tdrd12-expresses-at-the-acrosome-of-spermatids-in-mouse-testis
#4
Min Kim, Byeong Seong Ki, Kwonho Hong, Se-Pill Park, Jung-Jae Ko, Youngsok Choi
Tdrd12 is one of tudor domain containing (Tdrd) family members. However, the expression pattern of Tdrd12 has not been well studied. To compare the expression levels of Tdrd12 in various tissues, real time-polymerase chain reaction was performed using total RNAs from liver, small intestine, heart, brain, kidney, lung, spleen, stomach, uterus, ovary, and testis. Tdrd12 mRNA was highly expressed in testis. Antibody against mouse TDRD12 were generated using amino acid residues SQRPNEKPLRLTEKKDC of TDRD12 to investigate TDRD12 localization in testis...
July 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/26883754/propylene-glycol-embodying-deformable-liposomes-as-a-novel-drug-delivery-carrier-for-vaginal-fibrauretine-delivery-applications
#5
Wei-Ze Li, Xu-Liang Hao, Ning Zhao, Wen-Xia Han, Xi-Feng Zhai, Qian Zhao, Yu-E Wang, Yong-Qiang Zhou, Yu-Chuan Cheng, Yong-Hua Yue, Li-Na Fu, Ji-Lei Zhou, Hong-Yu Wu, Chun-Jing Dong
The purpose of this work was to develop and characterize the fibrauretine (FN) loaded propylene glycol-embodying deformable liposomes (FDL), and evaluate the pharmacokinetic behavior and safety of FDL for vaginal drug delivery applications. FDL was characterized for structure, particle size, zeta potential, deformability and encapsulation efficiency; the ability of FDL to deliver FN across vagina tissue in vitro and the distribution behavior of FN in rat by vaginal drug delivery were investigated, the safety of FDL to the vagina of rabbits and rats as well as human vaginal epithelial cells (VK2/E6E7) were also evaluated...
March 28, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/26762583/investigation-on-toxicity-and-teratogenicity-in-rats-of-a-retinoid-polyamine-conjugate-with-potent-anti-inflammatory-properties
#6
Theodoros Petridis, Dimitra Giannakopoulou, Vassiliki Stamatopoulou, Katerina Grafanaki, Christos G Kostopoulos, Helen Papadaki, Christina J Malavaki, Nikos K Karamanos, Stathianna Douroumi, Dionysios Papachristou, George E Magoulas, Dionissios Papaioannou, Denis Drainas
Previous studies have shown that N(1),N(12)-bis(all-trans-retinoyl)spermine (RASP), a retinoid analog, inhibits RNase P activity and angiogenesis in the chicken embryo chorioallantoic membrane, demonstrates anti-tumor activity on prostate cancer cells, and acts as anti-inflammatory agent, being more effective and less toxic than all-trans retinoic acid. In an attempt to further characterize the biological profile of RASP, we tested its effects on organ toxicity and teratogenicity by daily oral gavage of RASP at a level of 50 mg/Kg of body weight in two generations of rats...
February 2016: Birth Defects Research. Part B, Developmental and Reproductive Toxicology
https://www.readbyqxmd.com/read/26224009/effects-of-synchronous-and-asynchronous-embryo-transfer-on-postnatal-development-adult-health-and-behavior-in-mice
#7
Angela P López-Cardona, Raúl Fernández-González, Miriam Pérez-Crespo, Francisco Alén, Fernando Rodriguez de Fonseca, Laura Orio, Alfonso Gutierrez-Adan
Asynchronous embryo transfer (ET) is a common assisted reproduction technique used in several species, but its biological effects on postnatal and early development remain unknown. The aim of this study was to determine whether asynchronous ET produces long-term effects in mice. Postnatal development, animal weight, systolic blood pressure (SBP), relative organ weight (liver, spleen, kidneys, heart, lungs, brain, and testicles), and behavior (assessed in open-field and elevated plus maze tests) were assessed in CD1 mice produced by different ET procedures: 1) the transfer of Day 3...
October 2015: Biology of Reproduction
https://www.readbyqxmd.com/read/26126191/pathological-methods-applied-to-the-investigation-of-causes-of-death-in-developing-countries-minimally-invasive-autopsy-approach
#8
Paola Castillo, Esperança Ussene, Mamudo R Ismail, Dercio Jordao, Lucilia Lovane, Carla Carrilho, Cesaltina Lorenzoni, Marcus V Lacerda, Antonio Palhares, Leonardo Rodríguez-Carunchio, Miguel J Martínez, Jordi Vila, Quique Bassat, Clara Menéndez, Jaume Ordi
BACKGROUND AND AIMS: Complete diagnostic autopsies (CDA) remain the gold standard in the determination of cause of death (CoD). However, performing CDAs in developing countries is challenging due to limited facilities and human resources, and poor acceptability. We aimed to develop and test a simplified minimally invasive autopsy (MIA) procedure involving organ-directed sampling with microbiology and pathology analyses implementable by trained technicians in low- income settings. METHODS: A standardized scheme for the MIA has been developed and tested in a series of 30 autopsies performed at the Maputo Central Hospital, Mozambique...
2015: PloS One
https://www.readbyqxmd.com/read/26123368/location-of-radiosensitive-organs-inside-pediatric-anthropomorphic-phantoms-data-required-for-dosimetry
#9
Stephen Inkoom, Maria Raissaki, Kostas Perisinakis, Thomas G Maris, John Damilakis
PURPOSE: The aim of this study was to determine the location of radiosensitive organs in the interior of four pediatric anthropomorphic phantoms for dosimetric purposes. METHODS: Four pediatric anthropomorphic phantoms representing the average individual as newborn, 1-year-old, 5-year-old and 10-year-old child underwent head, thorax and abdomen CT scans. CT and MRI scans of all children aged 0-16 years performed during a 5-year-period in our hospital were reviewed, and 503 were found to be eligible for normal anatomy...
December 2015: Physica Medica: PM
https://www.readbyqxmd.com/read/25742235/human-biodistribution-and-radiation-dosimetry-of-s-11c-methyl-l-cysteine-using-whole-body-pet
#10
Baoguo Yao, Caihua Tang, Ganghua Tang, Kongzhen Hu, Xiang Liang, Xinchong Shi, Dahong Nie, Xiaolan Tang, Dianchao Yue
PURPOSE: S-C-Methyl-L-cysteine (C-MCYS) is a recently developed amino acid PET tracer for tumor imaging. The present study estimated human radiation absorbed dose of C-MCYS in healthy volunteers based on whole-body PET imaging. METHODS: Five sequential whole-body PET scans were performed on 6 healthy volunteers after injection of C-MCYS. Each scan contained of approximately 7 to 10 bed positions, and total scan time of each volunteer was approximately 70 to 85 minutes...
October 2015: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/25698781/aromatase-imaging-with-n-methyl-11c-vorozole-pet-in-healthy-men-and-women
#11
Anat Biegon, David L Alexoff, Sung Won Kim, Jean Logan, Deborah Pareto, David Schlyer, Gene-Jack Wang, Joanna S Fowler
UNLABELLED: Aromatase, the last and obligatory enzyme catalyzing estrogen biosynthesis from androgenic precursors, can be labeled in vivo with (11)C-vorozole. Aromatase inhibitors are widely used in breast cancer and other endocrine conditions. The present study aimed to provide baseline information defining aromatase distribution in healthy men and women, against which its perturbation in pathologic situations can be studied. METHODS: (11)C-vorozole (111-296 MBq/subject) was injected intravenously in 13 men and 20 women (age range, 23-67 y)...
April 2015: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/25602070/the-placenta-a-multifaceted-transient-organ
#12
REVIEW
Graham J Burton, Abigail L Fowden
The placenta is arguably the most important organ of the body, but paradoxically the most poorly understood. During its transient existence, it performs actions that are later taken on by diverse separate organs, including the lungs, liver, gut, kidneys and endocrine glands. Its principal function is to supply the fetus, and in particular, the fetal brain, with oxygen and nutrients. The placenta is structurally adapted to achieve this, possessing a large surface area for exchange and a thin interhaemal membrane separating the maternal and fetal circulations...
March 5, 2015: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/25423473/size-dependent-biodistribution-and-toxicokinetics-of-iron-oxide-magnetic-nanoparticles-in-mice
#13
Lin Yang, Huijuan Kuang, Wanyi Zhang, Zoraida P Aguilar, Yonghua Xiong, Weihua Lai, Hengyi Xu, Hua Wei
In spite of the immense benefits from iron oxide magnetic nanoparticles (IOMNs), there is scanty information regarding their metabolic activities and toxicity in vivo. In this study, we investigated the size dependent in vivo biodistribution, toxicokinetics, and toxicity and gene expression changes of various sizes of carboxyl coated IOMNs (diameters of 10, 20, 30, and 40 nm). Our findings demonstrated that the various sizes of IOMNs accumulated primarily in the liver and spleen on the first day post-injection...
January 14, 2015: Nanoscale
https://www.readbyqxmd.com/read/25358360/molecular-characterization-and-tissue-distribution-of-estrogen-receptor-genes-in-domestic-yak
#14
Mei Fu, Xian-Rong Xiong, Dao-Liang Lan, Jian Li
Estrogen and its receptors are essential hormones for normal reproductive function in males and females during developmental stage. To better understand the effect of estrogen receptor (ER) gene in yak (Bos grunniens), reverse transcription-polymerase chain reaction (PCR) was carried out to clone ERα and ERβ genes. Bioinformatics methods were used to analyze the evolutionary relationship between yaks and other species, and real-time PCR was performed to identify the mRNA expression of ERα and ERβ. Sequence analysis showed that the ER open reading frames (ORFs) encoded 596 and 527 amino acid proteins...
December 2014: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/25207401/bremsstrahlung-dose-of-165dy-in-radiosynovectomy
#15
H C Manjunatha
There has been an increased interest in 165Dy radiossynovectomy, which emits relatively high-energy (> 1 MeV) beta rays. The production of in vivo bremsstrachlung radiation hazards warrants evaluation. The bremsstrahlung component of the decay scheme of 165Dy has been traditionally ignored in internal dosimetry calculations. We have estimated the bremsstrahlung dose of 165Dy distributed in muscle and bone to body by various internal organs (adrenals, brain, breasts, gallbladder wall, LLI wall, small intestine, stomach, ULI wall, heart wall, kidneys, liver, lungs, muscle, ovaries, pancreas, red marrow, bone surfaces, skin, spleen, testes, thymus, thyroid, urine bladder wall, uterus, fetus, placenta, and total body) during radiosynovictomy...
2014: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/25168884/pharmacokinetics-tissue-distribution-and-excretion-of-nomegestrol-acetate-in-female-rats
#16
Qingbiao Huang, Xiaoke Chen, Yan Zhu, Lin Cao, Jim E Riviere
Nomegestrol acetate (NOMAC), a synthetic progestogen derived from 19-norprogesterone, is an orally active drug with a strong affinity for the progesterone receptor. NOMAC inhibits ovulation and is devoid of undesirable androgenic and estrogenic activities. The aim of this study was to evaluate the pharmacokinetics, tissue distribution, and excretion of NOMAC in female rats. Sprague-Dawley female rats were orally administered a single dose of NOMAC (10, 20 or 40 mg/kg) and drug plasma concentrations at different times were determined by RP-HPLC...
December 2015: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/25049756/reference-gene-screening-for-analyzing-gene-expression-across-goat-tissue
#17
Yu Zhang, Xiao-Dong Zhang, Xing Liu, Yun-Sheng Li, Jian-Ping Ding, Xiao-Rong Zhang, Yun-Hai Zhang
Real-time quantitative PCR (qRT-PCR) is one of the important methods for investigating the changes in mRNA expression levels in cells and tissues. Selection of the proper reference genes is very important when calibrating the results of real-time quantitative PCR. Studies on the selection of reference genes in goat tissues are limited, despite the economic importance of their meat and dairy products. We used real-time quantitative PCR to detect the expression levels of eight reference gene candidates (18S, TBP, HMBS, YWHAZ, ACTB, HPRT1, GAPDH and EEF1A2) in ten tissues types sourced from Boer goats...
December 2013: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/25001900/pharmacokinetics-tissue-distribution-and-excretion-of-peimisine-in-rats-assessed-by-liquid-chromatography-tandem-mass-spectrometry
#18
Lihua Chen, Dongxun Li, Guosong Zhang, Wei Zhang, Lihua Zhang, Yongmei Guan, Weifeng Zhu, Hongning Liu
Peimisine, the common ingredient of "zhebeimu" groups and "chuanbeimu" groups, is responsible for the expectorant and cough relieving effects. The aim of this study was to investigate the pharmacokinetics, tissue distribution and excretion of peimisine in male and female SD (Sprague-Dawley) rats by a rapid and sensitive LC-MS/MS (liquid chromatography-tandem mass spectrometry) method used carbamazepine as the internal standard after oral administration, carbamazepine was stated as an IS. The results showed that peimisine was slowly distributed, and eliminated from rat plasma and manifested linear dynamics in a dose range of 0...
June 2015: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/24938427/integrative-genomic-analyses-of-secreted-protein-acidic-and-rich-in-cysteine-and-its-role-in-cancer-prediction
#19
Bo Wang, Kai Chen, Wenming Xu, Di Chen, Wei Tang, Tian-Song Xia
Secreted protein acidic and rich in cysteine (SPARC), also termed osteonectin or basement‑membrane‑40 (BM‑40), is a matrix‑associated protein that elicits changes in cell shape, inhibits cell‑cycle progression and affects the synthesis of extracellular matrix (ECM). The final mature SPARC protein has 286 amino acids with three distinct domains, including an NH2‑terminal acidic domain (NT), follistatin‑like domain (FS) and C terminus domain (EC). The present study identified SPARC genes from 14 vertebrate genomes and revealed that SPARC existed in all types of vertebrates, including fish, amphibians, birds and mammals...
September 2014: Molecular Medicine Reports
https://www.readbyqxmd.com/read/24737478/sequence-characterization-polymorphism-and-tissue-expression-profile-of-an-effector-immediate-early-gene-activity-regulated-cytoskeletal-associated-protein-gene-arc-arg3-1-in-swamp-and-river-buffalo
#20
F Yuan, J L Huo, D L Li, Y Y Yuan, W Z Lu, S Song, L J Li, Y W Miao
The activity-regulated cytoskeletal associated protein (Arc/Arg3.1) has been implicated in experience-dependent synaptic plasticity and memory formation. However, information regarding its coding gene in buffalo remains scarce. In this study, the full-length of Arc/Arg3.1 was isolated and characterized (accession No. JX491649) and genetic variations of six river buffalo and eight swamp buffalo were investigated. A tissue expression profile was obtained using semi-quantitative reverse transcription-polymerase chain reaction...
2014: Genetics and Molecular Research: GMR
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