keyword
MENU ▼
Read by QxMD icon Read
search

Reproductive Imaging

keyword
https://www.readbyqxmd.com/read/28646316/identifying-major-events-in-two-sturgeons-life-using-pectoral-fin-spine-ring-structure-exploring-the-use-of-a-non-destructive-method
#1
Shima Bakhshalizadeh, Ali Bani, Shahram Abdolmalaki, Natalie Moltschaniwskyj
Maturation is one of the most important life history traits that influences on many ecological characteristics of animals. This study aimed to describe the indirect distinguish of first reproduction and habitat shift (transition from the pelagic to benthic environment), using the width of translucent and annuluses of the pectoral fin spine of two sturgeon species, Persian sturgeon, Acipenser persicus, and starry sturgeon, Acipenser stellatus. Interpretation of growth bands in pectoral fin sections was done objectively using direct reading of thin sections and image analysis...
June 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28645873/generation-of-nitric-oxide-by-olive-olea-europaea-l-pollen-during-in-vitro-germination-and-assessment-of-the-s-nitroso-and-nitro-pollen-proteomes-by-computational-predictive-methods
#2
María José Jimenez-Quesada, Rosario Carmona, Elena Lima-Cabello, José Ángel Traverso, Antonio Jesús Castro, M Gonzalo Claros, Juan de Dios Alché
Nitric oxide is recognized as a signaling molecule involved in a broad range of physiological processes in plants including sexual reproduction. NO has been detected in the pollen grain at high levels and regulates pollen tube growth. Previous studies demonstrated that NO as well as ROS are produced in the olive reproductive tissues in a stage- and tissue-specific manner. The aim of this study was to assess the production of NO throughout the germination of olive (Olea europaea L.) pollen in vitro. The NO fluorescent probe DAF-2DA was used to image NO production in situ, which was correlated to pollen viability...
June 20, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28643447/simultaneous-mapping-of-metabolites-and-individual-macromolecular-components-via-ultra-short-acquisition-delay-1-h-mrsi-in-the-brain-at-7t
#3
Michal Považan, Bernhard Strasser, Gilbert Hangel, Eva Heckova, Stephan Gruber, Siegfried Trattnig, Wolfgang Bogner
PURPOSE: Short-echo-time proton MR spectra at 7T feature nine to 10 distinct macromolecule (MM) resonances that overlap with the signals of metabolites. Typically, a metabolite-nulled in vivo MM spectrum is included in the quantification`s prior knowledge to provide unbiased metabolite quantification. However, this MM model may fail if MMs are pathologically altered. In addition, information about the individual MM peaks is lost. In this study, we aimed to create an improved MM model by parameterization of the in vivo MM spectrum into individual components, and to use this new model to quantify free induction decay MR spectroscopic imaging (FID-MRSI) data...
June 22, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28636161/infinity-sperm-storage-the-gift-that-keeps-on-giving
#4
Gauthier Schang, Beatriz Fernandez-Fuertes, Samantha C Lean, Alexandra L Nguyen, Osvaldo Bogado Pascottini
Female Drosophila retain sperm for up to two weeks post-copulation in a network of storage organs includng the bursa, the seminal receptacle, and the spermathecae. This image shows the seminal receptacle of a Drosophila melanogaster female, 2-hrs post-copulation between a LHM (wild-type) female with a Protamine B (green), β-Tubulin (blue) fluorescently tagged male, whose sperm can be visualized within the female. This 'infinity' structure of the seminal receptacle resembles the tubular coil that allows for the storage of very long sperm relative to female body size -up to 20 times the length of the female in some Drosophila species...
June 21, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28630355/apical-and-basal-epitheliomuscular-f-actin-dynamics-during-hydra-bud-evagination
#5
Roland Aufschnaiter, Roland Wedlich-Söldner, Xiaoming Zhang, Bert Hobmayer
Bending of 2D cell sheets is a fundamental morphogenetic mechanism during animal development and reproduction. A critical player driving cell shape during tissue bending is the actin cytoskeleton. Much of our current knowledge about actin dynamics in whole organisms stems from studies of embryonic development in bilaterian model organisms. Here, we have analysed actin-based processes during asexual bud evagination in the simple metazoan Hydra We created transgenic Hydra strains stably expressing the actin marker Lifeact-GFP in either ectodermal or endodermal epitheliomuscular cells...
June 19, 2017: Biology Open
https://www.readbyqxmd.com/read/28626987/prolactinomas-diagnosed-in-the-postmenopausal-period-clinical-phenotype-and-outcomes
#6
Sandhya Santharam, Metaxia Tampourlou, Wiebke Arlt, John Ayuk, Neil Gittoes, Andrew Toogood, Rachel Webster, Niki Karavitaki
OBJECTIVE: Most prolactinomas in females are diagnosed during the reproductive age and the majority are microadenomas. Prolactinomas detected in the postmenopausal period are less common with limited published data on their presentation and prognosis. Our objective was to assess the presenting clinical, biochemical and imaging findings, as well as the outcomes of women diagnosed with a prolactinoma in the postmenopausal period. DESIGN AND METHODS: We undertook a retrospective cohort study of women diagnosed with prolactinoma after menopause and followed-up in a large UK pituitary center...
June 19, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28626962/three-dimensional-motion-corrected-sensitivity-encoding-reconstruction-for-multi-shot-multi-slice-mri-application-to-neonatal-brain-imaging
#7
Lucilio Cordero-Grande, Emer J Hughes, Jana Hutter, Anthony N Price, Joseph V Hajnal
PURPOSE: To introduce a methodology for the reconstruction of multi-shot, multi-slice magnetic resonance imaging able to cope with both within-plane and through-plane rigid motion and to describe its application in structural brain imaging. THEORY AND METHODS: The method alternates between motion estimation and reconstruction using a common objective function for both. Estimates of three-dimensional motion states for each shot and slice are gradually refined by improving on the fit of current reconstructions to the partial k-space information from multiple coils...
June 19, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28621254/use-of-microcomputed-tomography-to-measure-the-relaxin-induced-expansion-of-intrapubic-ligaments-in-mice
#8
Heather A Zimmerman, Richard P Kennan, Chunlian Zhang, Kashmira Shah, Douglas G Johns, Joseph J Lynch, Maya Dajee
Relaxin is a 6-kDa peptide in the insulin superfamily of hormones. In addition to its effects on reproductive and musculoskeletal ligaments, relaxin has demonstrated beneficial effects on cardiac, renal, and vascular systems in preclinical models. The mouse intrapubic ligament ex vivo bioassay is the current standard for measuring in vivo relaxin bioactivity. However, this bioassay necessitates euthanasia and dissection of large cohorts to measure the intrapubic ligament at specified time points. We hypothesized that μCT imaging could be used to reduce the number of animals necessary for the intrapubic ligament bioassay by enabling a single animal to be followed longitudinally throughout the study rather than euthanizing different cohorts at established time points...
June 15, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28616248/lymphangioleiomyomatosis-an-explosive-presentation-of-a-rare-disease
#9
Faye Pais, Mohamed Fayed, Timothy Evans
Lymphangioleiomyomatosis (LAM) is a rare cystic lung disease, commonly affecting women in the reproductive age group. Exacerbation of pre-existing disease is common during pregnancy likely due to the up-regulation of estrogen and progesterone receptors present within the proliferating smooth muscle cells. This case highlights a dramatic presentation of LAM for the first time in pregnancy, its rapid progression during gestation, and a partial resolution with delivery. The unusual radiographic imaging in this patient, lacked the characteristic cystic lesions commonly associated with LAM, but instead demonstrated a dense interstitial pattern with micronodular expansion of the interlobular septa suggesting severe lymphatic obstruction...
June 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28609289/adverse-eff-ects-of-polymeric-nanoparticle-poly-ethylene-glycol-block-polylactide-methyl-ether-peg-b-pla-on-steroid-hormone-secretion-by-porcine-granulosa-cells
#10
Sona Scsukova, Mlynarcikova A Bujnakova, A Kiss, E Rollerova
OBJECTIVES: Development of nanoparticles (NPs) for biomedical applications, including medical imaging and drug delivery, is currently undergoing a dramatic expansion. Diverse effects of different type NPs relating to mammalian reproductive tissues have been demonstrated. Th e objective of this study was to explore the in vitro effects of polymeric nanoparticle poly(ethylene glycol)-blockpolylactide methyl ether (PEG-b-PLA NPs) on functional state and viability of ovarian granulosa cells (GCs), which play an important role in maintaining ovarian function and female fertility...
April 25, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/28608434/use-of-3d-models-of-vascular-rings-and-slings-to-improve-resident-education
#11
Trahern W Jones, Michael D Seckeler
OBJECTIVE: Three-dimensional (3D) printing is a manufacturing method by which an object is created in an additive process, and can be used with medical imaging data to generate accurate physical reproductions of organs and tissues for a variety of applications. We hypothesized that using 3D printed models of congenital cardiovascular lesions to supplement an educational lecture would improve learners' scores on a board-style examination. DESIGN AND INTERVENTION: Patients with normal and abnormal aortic arches were selected and anonymized to generate 3D printed models...
June 13, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28608403/mitochondria-targeted-antioxidant-mitoq-reduced-renal-damage-caused-by-ischemia-reperfusion-injury-in-rodent-kidneys-longitudinal-observations-of-t2-weighted-imaging-and-dynamic-contrast-enhanced-mri
#12
Xiaoge Liu, Michael P Murphy, Wei Xing, Huanhuan Wu, Rui Zhang, Haoran Sun
PURPOSE: To investigate the effect of mitochondria-targeted antioxidant MitoQ in reducing the severity of renal ischemia-reperfusion injury (IRI) in rats using T2 -weighted imaging and dynamic contrast-enhanced MRI (DCE-MRI). METHODS: Ischemia-reperfusion injury was induced by temporarily clamping the left renal artery. Rats were pretreated with MitoQ or saline. The MRI examination was performed before and after IRI (days 2, 5, 7, and 14). The T2 -weighted standardized signal intensity of the outer stripe of the outer medulla (OSOM) was measured...
June 12, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28606312/imaging-of-infections-of-the-urinary-and-male-reproductive-tracts
#13
Jennifer A Steinkeler, Maryellen R M Sun
No abstract text is available yet for this article.
April 2017: Seminars in Roentgenology
https://www.readbyqxmd.com/read/28603505/adolescent-girls-stem-identity-formation-and-media-images-of-stem-professionals-considering-the-influence-of-contextual-cues
#14
REVIEW
Jocelyn Steinke
Popular media have played a crucial role in the construction, representation, reproduction, and transmission of stereotypes of science, technology, engineering, and mathematics (STEM) professionals, yet little is known about how these stereotypes influence STEM identity formation. Media images of STEM professionals may be important sources of information about STEM and may be particularly salient and relevant for girls during adolescence as they actively consider future personal and professional identities...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28600104/polarization-microscopy-imaging-for-the-identification-of-unfertilized-oocytes-after-short-term-insemination
#15
Yi Guo, Wenqiang Liu, Yu Wang, Jiaping Pan, Shanshan Liang, Jingling Ruan, Xiaoming Teng
OBJECTIVE: To develop a unique approach using polarization microscopy (PM) to determine whether the presence of a spindle can be used as an indicator associated with fertilization failure 5 hours after short-term insemination. DESIGN: Observational study. SETTING: Assisted reproduction center. PATIENT(S): Eighty-five patients undergoing short-term insemination. INTERVENTION(S): Oocytes imaged via PM at 4, 5, and 6 hours after standard insemination...
June 6, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28598898/a-99mtc-labelled-scfv-antibody-fragment-that-binds-to-prostate-specific-membrane-antigen
#16
Saima Nawaz, Gregory E D Mullen, Philip J Blower, James R Ballinger
INTRODUCTION: Prostate-specific membrane antigen (PSMA) is an extensively studied antigen for imaging prostate cancer. We prepared a single-chain variable fragment (scFv) of J591, a monoclonal antibody that recognises an external epitope of PSMA, incorporating a His-tag for labelling with Tc tricarbonyl, and evaluated its binding using human PCa cell lines. METHODS: J591(scFv) was expressed in HEK-293T cells and purified by metal ion affinity chromatography, followed by size exclusion chromatography...
June 8, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28585897/interrelationships-of-dictyocaulus-spp-in-wild-ruminants-with-morphological-description-of-dictyocaulus-cervi-n-sp-nematoda-trichostrongyloidea-from-red-deer-cervus-elaphus
#17
Anna Maria Pyziel, Zdzisław Laskowski, Aleksander W Demiaszkiewicz, Johan Höglund
Lungworms from the genus Dictyocaulus cause parasitic bronchitis (dictyocaulosis) characterized by coughing and severe lung pathology in both domestic and wild ruminants. In this study we investigated the interrelationships of Dictyocaulus spp. from European bison (Bison bonasus L.), roe deer (Capreolus capreolus) and red deer (Cervus elaphus) by nucleotide sequence analysis spanning the 18S RNA gene (SSU) and internal transcribed spacer 2 (ITS2) regions of the ribosomal gene array as well as the mitochondrial cytochrome c oxidase subunit 1 (cox1)...
June 6, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28580667/compressed-perovskite-aqueous-mixtures-near-their-phase-transitions-show-very-high-permittivities-new-prospects-for-high-field-mri-dielectric-shimming
#18
Ana L Neves, Lisa Leroi, Zo Raolison, Nicolas Cochinaire, Thibaut Letertre, Redha Abdeddaïm, Stefan Enoch, Jerome Wenger, Johann Berthelot, Anne-Lise Adenot-Engelvin, Nicolas Malléjac, Franck Mauconduit, Alexandre Vignaud, Pierre Sabouroux
PURPOSE: Perovskites are greatly used nowadays in many technological applications because of their high permittivity, more specifically in the form of aqueous solutions, for MRI dielectric shimming. In this study, full dielectric characterizations of highly concentrated CaTiO3 /BaTiO3 water mixtures were carried out and new permittivity maxima was reached. METHODS: Permittivity measurements were done on aqueous solutions from 0%v/v to dry powder. The permittivity dependence with pressure was investigated...
June 5, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28574291/temperature-sensitive-heparin-modified-poloxamer-hydrogel-with-affinity-to-kgf-facilitate-the-morphologic-and-functional-recovery-of-the-injured-rat-uterus
#19
He-Lin Xu, Jie Xu, Si-Si Zhang, Qun-Yan Zhu, Bing-Hui Jin, De-Li ZhuGe, Bi-Xin Shen, Xue-Qing Wu, Jian Xiao, Ying-Zheng Zhao
Endometrial injury usually results in intrauterine adhesion (IUA), which is an important cause of infertility and recurrent miscarriage in reproductive women. There is still lack of an effective therapeutic strategy to prevent occurrence of IUA. Keratinocyte growth factor (KGF) is a potent repair factor for epithelial tissues. Here, a temperature-sensitive heparin-modified poloxamer (HP) hydrogel with affinity to KGF (KGF-HP) was used as a support matrix to prevent IUA and deliver KGF. The rheology of KGF-HP hydrogel was carefully characterized...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28557055/time-efficient-and-flexible-design-of-optimized-multishell-hardi-diffusion
#20
Jana Hutter, J Donald Tournier, Anthony N Price, Lucilio Cordero-Grande, Emer J Hughes, Shaihan Malik, Johannes Steinweg, Matteo Bastiani, Stamatios N Sotiropoulos, Saad Jbabdi, Jesper Andersson, A David Edwards, Joseph V Hajnal
PURPOSE: Advanced diffusion magnetic resonance imaging benefits from collecting as much data as is feasible but is highly sensitive to subject motion and the risk of data loss increases with longer acquisition times. Our purpose was to create a maximally time-efficient and flexible diffusion acquisition capability with built-in robustness to partially acquired or interrupted scans. Our framework has been developed for the developing Human Connectome Project, but different application domains are equally possible...
May 30, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
keyword
keyword
44496
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"