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https://www.readbyqxmd.com/read/29045850/comparison-of-conventional-2d-ultrasound-to-mr-imaging-for-prenatal-estimation-of-birth-weight-in-twin-pregnancy
#1
Caroline Kadji, Elisa Bevilacqua, Ivan Hurtado, Andrew Carlin, Mieke M Cannie, Jacques C Jani
BACKGROUND: During prenatal follow-up of twin pregnancies, accurate identification of birthweight and birthweight discordance is important in order to identify the high risk group and plan perinatal care. Unfortunately prenatal evaluation of birthweight discordance by 2-dimensional ultrasound (US) has been far from optimal. OBJECTIVE: To prospectively compare estimates of fetal weight based on 2-dimensional US (US-EFW) and MR imaging (MR-EFW) to actual birth weight in women carrying twin pregnancies...
October 15, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29045557/the-suprapubic-dermoadipose-flap-for-aesthetic-reshaping-of-the-postpregnancy-abdomen
#2
Horacio F Mayer, Hugo D Loustau
Background: Postpregnancy full-length diastasis of the recti abdominis muscles is a common condition occasionally associated with atrophy of the subcutaneous fat located at the midline above and below the umbilicus. Objectives: The authors report a preliminary clinical experience with the suprapubic flap to prevent the late postoperative contour deformities of the postpregnancy abdomen. Methods: Between January 2005 and January 2015, all female patients undergoing abdominoplasty with the suprapubic flap were included in the present study...
October 14, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29043999/study-of-global-dna-methylation-in-monozygotic-twins-with-cerebral-palsy
#3
Yuxiao Yuan
The objective of this paper is to study the global DNA Methylation in monozygotic (MZ) twins with cerebral palsy. Two pairs of twins (a cerebral palsy children, a normal child) admitted to the First Affiliated Hospital of Zhengzhou University were selected as subjects. The phenol-chloroform method was used to extract DNA from venous blood and micro satellite DNA genotyping technique was used to identify the eggs of the twins. DNA methylation fragments were enriched by MBD affinity column chromatography, followed by Solexa sequencing and bioinformatics analysis...
July 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29043810/structure-and-thermodynamics-of-metal-clusters-on-atomically-smooth-substrates
#4
Marco Eckhoff, Dmitri Schebarchov, David J Wales
We analyse the structure of model Ni$_{N}$ and Cu$_{N}$ clusters ($N=55$, $147$) supported on a variety of atomically smooth van der Waals surfaces. The global minima are mapped in the space of two parameters: (i) the laterally averaged surface stickiness, $\gamma$, which controls the macroscopic wetting angle; and (ii) the surface microstructure, which produces more subtle but important templating via epitaxial stresses. We find that adjusting the substrate lattice (even at constant $gamma$) can favour different crystal plane orientations in the cluster, stabilise hexagonal close-packed order, or induce various defects, such as stacking faults, twin boundaries, and fivefold disclinations...
October 18, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/29043520/an-extended-twin-pedigree-study-of-neuroticism-in-the-netherlands-twin-register
#5
Dorret I Boomsma, Quinta Helmer, Harold A Nieuwboer, Jouke Jan Hottenga, Marleen H de Moor, Stéphanie M van den Berg, Gareth E Davies, Jacqueline M Vink, Maarten J Schouten, Conor V Dolan, Gonneke Willemsen, Meike Bartels, Toos C E M van Beijsterveldt, Lannie Ligthart, Eco J de Geus
For the participants in the Netherlands Twin Register (NTR) we constructed the extended pedigrees which specify all relations among nuclear and larger twin families in the register. A total of 253,015 subjects from 58,645 families were linked to each other, to the degree that we had information on the relations among participants. We describe the algorithm that was applied to construct the pedigrees. For > 30,000 adolescent and adult NTR participants data were available on harmonized neuroticism scores...
October 17, 2017: Behavior Genetics
https://www.readbyqxmd.com/read/29043515/the-2018-international-workshop-on-statistical-genetic-methods-for-human-complex-traits-formerly-the-methodology-of-twin-and-family-studies-introductory-workshop-march-5th-march-9th-2018
#6
https://www.readbyqxmd.com/read/29043401/the-lambda-twin-peak-sign
#7
REVIEW
Tsun Wai Jeffrey Wu, Yan-Lin Li, Kin-Hoi Wong
No abstract text is available yet for this article.
October 17, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29042742/class-ii-young-adult-treatment-with-twin-force-bite-corrector-10-year-follow-up
#8
Ozge Uslu-Akcam, Ayse Tuba Altug, Ufuk Toygar Memikoglu
One of the most preferred compliance free fixed functional appliances in nongrowing patients is Twin Force Bite corrector (TFBC). The aim of this case report is to evaluate the effectiveness of TFBC in the treatment of an adult Class II case. A 16-year 1-month-old boy having skeletal and dental Class II relationship was selected. Roth 0.018 × 0.025 inch slots brackets were attached; a fixed lingual arch in the mandibular dental arch and a Nance appliance in the maxillary dental arch were used to increase anchorage...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29042738/prosthetic-rehabilitation-of-mandibular-defects-with-fixed-removable-partial-denture-prosthesis-using-precision-attachment-a-twin-case-report
#9
Vimal Kantilal Munot, Ramesh P Nayakar, Raghunath Patil
The restoration of normal function and esthetic appearance with a dental prosthesis is a major challenge in the rehabilitation of patients who have lost their teeth and surrounding bone because of surgery for oral cyst or tumor. Rehabilitation with fixed or removable prosthesis is even more challenging when the edentulous span is long and the ridge is defective. Anatomic deformities and unfavorable biomechanics encountered in the region of resection add to the misery. In such situation, a fixed-removable prosthesis allows favorable biomechanical stress distribution along with restoration of esthetics, phonetics, comfort, hygiene, and better postoperative care and maintenance...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29042555/super-formable-pure-magnesium-at-room-temperature
#10
Zhuoran Zeng, Jian-Feng Nie, Shi-Wei Xu, Chris H J Davies, Nick Birbilis
Magnesium, the lightest structural metal, is difficult to form at room temperature due to an insufficient number of deformation modes imposed by its hexagonal structure and a strong texture developed during thermomechanical processes. Although appropriate alloying additions can weaken the texture, formability improvement is limited because alloying additions do not fundamentally alter deformation modes. Here we show that magnesium can become super-formable at room temperature without alloying. Despite possessing a strong texture, magnesium can be cold rolled to a strain at least eight times that possible in conventional processing...
October 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/29042182/are-endocrine-disrupting-compounds-environmental-risk-factors-for-autism-spectrum-disorder
#11
REVIEW
Amer Moosa, Henry Shu, Tewarit Sarachana, Valerie W Hu
Recent research on the etiology of autism spectrum disorder (ASD) has shifted in part from a singular focus on genetic causes to the involvement of environmental factors and their gene interactions. This shift in focus is a result of the rapidly increasing prevalence of ASD coupled with the incomplete penetrance of this disorder in monozygotic twins. One such area of environmentally focused research is the association of exposures to endocrine disrupting compounds (EDCs) with elevated risk for ASD. EDCs are exogenous chemicals that can alter endogenous hormone activity and homeostasis, thus potentially disrupting the action of sex and other natural hormones at all stages of human development...
October 14, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/29040903/aplasia-cutis-congenita-as-a-result-of-interstitial-laser-therapy-for-fetal-reduction-in-monochorionic-twins-conservative-approach-and-outcome
#12
Veronica Mugarab-Samedi, Abhay Lodha, Adel ElSharkawy, Essa Al Awad
Monochorionic (MC) twin pregnancies are known to carry a high risk of twin-to-twin transfusion syndrome (TTTS) that could lead to miscarriage and perinatal death. Demise of one fetus is frequently associated with co-fetal death. Fetal reduction by interstitial laser therapy is an effective procedure to prevent this outcome, but it may be associated with significant risks for both mother and fetus. Aplasia Cutis Congenita (ACC) may occur in up to 8% cases of fetal reduction by laser therapy. We report ACC in a preterm infant, a survivor of interstitial laser therapy for fetal reduction in MC pregnancy...
October 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29039758/x-pert-mtb-rif-%C3%A2-diagnosis-of-twin-infants-with-tuberculosis-in-da-nang-viet-nam
#13
Phuong Thi Kim Nguyen, Ngu Van Nguyen, Thanh Dinh Phung, Ben Marais
4-month-old twins were diagnosed with X-pert MTB/RIF® confirmed tuberculosis (TB)[...].
October 17, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29039597/whole%C3%A2-genome-scale-identification-of-methylation-markers-specific-for-cerebral-palsy-in-monozygotic-discordant-twins
#14
Zhe Jiao, Zhimei Jiang, Jingtao Wang, Hui Xu, Qiang Zhang, Shuang Liu, Ning Du, Yuanyuan Zhang, Hongbin Qiu
Cerebral palsy (CP) is a severe type of brain disease affecting movement and posture. Although CP has strong genetic and environmental components, considerable differences in the methylome between monozygotic (MZ) twins discordant for CP implicates epigenetic contributors as well. In order to determine the differences in methylation in patients with CP without interference of the interindividual genomic variation, four pairs of MZ twins discordant for CP were profiled for DNA methylation changes using reduced representation bisulfite sequencing on the genomic‑scale...
October 17, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29039294/a-comparison-of-heritability-estimates-by-classical-twin-modeling-and-based-on-genome-wide-genetic-relatedness-for-cardiac-conduction-traits
#15
Ilja M Nolte, Joeri A Jansweijer, Hariette Riese, Folkert W Asselbergs, Pim van der Harst, Timothy D Spector, Yigal M Pinto, Harold Snieder, Yalda Jamshidi
Twin studies have found that ~50% of variance in electrocardiogram (ECG) traits can be explained by genetic factors. However, genetic variants identified through genome-wide association studies explain less than 10% of the total trait variability. Some have argued that the equal environment assumption for the classical twin model might be invalid, resulting in inflated narrow-sense heritability (h 2) estimates, thus explaining part of the 'missing h 2'. Genomic relatedness restricted maximum likelihood (GREML) estimation overcomes this issue...
October 17, 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/29039282/spatial-variation-of-pneumonia-hospitalization-risk-in-twin-cities-metro-area-minnesota
#16
P Y Iroh Tam, B Krzyzanowski, J M Oakes, L Kne, S Manson
Fine resolution spatial variability in pneumonia hospitalization may identify correlates with socioeconomic, demographic and environmental factors. We performed a retrospective study within the Fairview Health System network of Minnesota. Patients 2 months of age and older hospitalized with pneumonia between 2011 and 2015 were geocoded to their census block group, and pneumonia hospitalization risk was analyzed in relation to socioeconomic, demographic and environmental factors. Spatial analyses were performed using Esri's ArcGIS software, and multivariate Poisson regression was used...
October 17, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/29039147/heritability-of-addison-s-disease-and-prevalence-of-associated-autoimmunity-in-a-cohort-of-112-100-swedish-twins
#17
Jakob Skov, Jonas Höijer, Patrik K E Magnusson, Jonas F Ludvigsson, Olle Kämpe, Sophie Bensing
PURPOSE: The pathophysiology behind autoimmune Addison's disease (AAD) is poorly understood, and the relative influence of genetic and environmental factors remains unclear. In this study, we examined the heritability of AAD and explored disease-associated autoimmune comorbidity among Swedish twins. METHODS: A population-based longitudinal cohort of 112,100 Swedish twins was used to calculate the heritability of AAD, and to explore co-occurrence of 10 organ-specific autoimmune disorders in twin pairs with AAD...
October 16, 2017: Endocrine
https://www.readbyqxmd.com/read/29038777/the-abcd-study-of-neurodevelopment-identifying-neurocircuit-targets-for-prevention-and-treatment-of-adolescent-substance-abuse
#18
James M Bjork, Lisa K Straub, Rosellen G Provost, Michael C Neale
Substance use disorders (SUD) can be considered developmental disorders in light of their frequent origins in substance initiation during adolescence. Cross-sectional functional magnetic resonance imaging (fMRI) studies of adolescent substance users or adolescents with SUD have indicated aberrations in brain structures or circuits implicated in motivation, self-control, and mood-regulation. However, attributing these differences to the neurotoxicological effects of chronic substance use has been problematic in that these circuits are also aberrant in at-risk children, such as those with prenatal substance exposure, externalizing disorders (such as conduct disorder), or prodromal internalizing disorders such as depression...
June 2017: Current Treatment Options in Psychiatry
https://www.readbyqxmd.com/read/29038486/experimental-investigation-on-the-geometry-of-ghz-states
#19
Gonzalo Carvacho, Francesco Graffitti, Vincenzo D'Ambrosio, Beatrix C Hiesmayr, Fabio Sciarrino
Greenberger-Horne-Zeilinger (GHZ) states and their mixtures exhibit fascinating properties. A complete basis of GHZ states can be constructed by properly choosing local basis rotations. We demonstrate this experimentally for the Hilbert space [Formula: see text] by entangling two photons in polarization and orbital angular momentum. Mixing GHZ states unmasks different entanglement features based on their particular local geometrical connectedness. In particular, a specific GHZ state in a complete orthonormal basis has a "twin" GHZ state for which equally mixing leads to full separability in opposition to any other basis-state...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29037589/a-twin-purification-enrichment-procedure-based-on-two-versatile-solid-liquid-extracting-agents-for-efficient-uptake-of-ultra-trace-levels-of-lorazepam-and-clonazepam-from-complex-bio-matrices
#20
Maryam Hemmati, Maryam Rajabi, Alireza Asghari
In this research work, two consecutive dispersive solid/liquid phase microextractions based on efficient extraction media were developed for the influential and clean pre-concentration of clonazepam and lorazepam from complicated bio-samples. The magnetism nature of the proposed nanoadsorbent proceeded the clean-up step conveniently and swiftly (∼5min), pursued by a further enrichment via a highly effective and rapid emulsification microextraction process (∼4min) based on a deep eutectic solvent (DES). Finally, the instrumental analysis step was practicable via high performance liquid chromatography-ultraviolet detection...
September 21, 2017: Journal of Chromatography. A
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