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https://www.readbyqxmd.com/read/28930983/personalized-peptide-arrays-for-detection-of-hla-alloantibodies-in-organ-transplantation
#1
Pan Liu, Tomokazu Souma, Andrew Zu-Sern Wei, Xueying Xie, Xunrong Luo, Jing Jin
In organ transplantation, the function and longevity of the graft critically rely on the success of controlling immunological rejection reactivity against human leukocyte antigens (HLA). Histocompatibility guidelines are based on laboratory tests of anti-HLA immunity, which presents either as pre-existing or de novo generated HLA antibodies that constitute a major transplantation barrier. Current tests are built on a single-antigen beads (SAB) platform using a fixed set of ~100 preselected recombinant HLA antigens to probe transplant sera...
September 6, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28920028/type-i-jejunal-atresia-in-identical-twins-a-rare-occurrence
#2
Amrollah Salimi, Shervin Rashidi Nia, Seyed Shahin Eftekhari, Mahsa Besharati, Sara Shahmoradi
Jejunoileal atresia is of familial and non-familial in origins and classified into four different types. We herein report a rare occurrence of type I jejunal atresia in identical twins who were presented with neonatal intestinal obstruction. This report points towards common etiology of atresia in our cases and factors more than vascular accident appear to be involved.
July 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28918370/a-metric-study-of-insole-foot-impressions-in-footwear-of-identical-twins
#3
Michael S Nirenberg, Kewal Krishan, Tanuj Kanchan
Foot impressions are of utmost importance in crime scene investigations. Foot impressions are available in the form of barefoot prints, sock-clad footprints, and as impressions within footwear. Sometimes suspects leave their footwear at the crime scene, and the insole of this footwear may contain the foot impression of the suspect which may be important evidence linking him or her to the crime. The task of identification based on the analysis of footprints can be challenging when the footprints belonging to one of the identical twin is available for examination...
September 11, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28899225/international-teleconsultation-on-conjoined-twins-leading-to-a-successful-separation-a-case-report
#4
Mario V Fusaro, Christian Becker, Samir Pandya, Whitney Mcbride, Kaveh Alizadeh, Vicki Iannotti, Paul Zelkovic, Samuel Barst, Michael E Tobias, Avinash Mohan, Jeffrey Freda, Michael Gewitz, Corey Scurlock
Conjoined twins are identical twins that have incompletely separated in utero. The prognosis for conjoined twins is poor and management in a skilled tertiary care centre is paramount for definitive care. We describe our experience with a telemedical consultation on conjoined twins in The Dominican Republic from our eHealth centre in Valhalla, NY. The patients were two month old, female, pygopagus conjoined twins. A multidisciplinary teleconference was initiated with the patients, their family, the referring paediatrician and our team...
January 1, 2017: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/28893331/diminished-medial-prefrontal-cortex-activation-during-the-recollection-of-stressful-events-is-an-acquired-characteristic-of-ptsd
#5
M K Dahlgren, L M Laifer, M B VanElzakker, R Offringa, K C Hughes, L K Staples-Bradley, S J Dubois, N B Lasko, C A Hinojosa, S P Orr, R K Pitman, L M Shin
BACKGROUND: Previous research has shown relatively diminished medial prefrontal cortex activation and heightened psychophysiological responses during the recollection of personal events in post-traumatic stress disorder (PTSD), but the origin of these abnormalities is unknown. Twin studies provide the opportunity to determine whether such abnormalities reflect familial vulnerabilities, result from trauma exposure, or are acquired characteristics of PTSD. METHODS: In this case-control twin study, 26 male identical twin pairs (12 PTSD; 14 non-PTSD) discordant for PTSD and combat exposure recalled and imagined trauma-unrelated stressful and neutral life events using a standard script-driven imagery paradigm during functional magnetic resonance imaging and concurrent skin conductance measurement...
September 12, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28887017/establishment-and-activity-of-the-d-quadrant-organizer-in-the-marine-gastropod-crepidula-fornicata
#6
Jonathan Q Henry, Deirdre C Lyons, Kimberly J Perry, Chen Cornelia Osborne
During development in metazoan embryos, the fundamental embryonic axes are established by organizing centers that influence the fates of nearby cells. Among the spiralians, a large and diverse branch of protostome metazoans, studies have shown that an organizer sets up the dorsal-ventral axis, which arises from one of the four basic cell quadrants during development (the dorsal, D quadrant). Studies in a few species have also revealed variation in terms of how and when the D quadrant and the organizer are established...
September 5, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28874636/growth-and-development-of-dentofacial-complex-influenced-by-genetic-and-environmental-factors-using-monozygotic-twins
#7
K K Manjusha, K Jyothindrakumar, A Nishad, K Madhav Manoj
AIM: The purpose of this study was to determine the possible effects of genetic and environmental factors on dentofacial complex using monozygotic twins. MATERIALS AND METHODS: The study sample was made of 21 pairs of monozygotic twins (14 female pairs and seven male pairs) between 10 and 25 years. Pretreatment lateral cephalo-grams were used which were traced and digitized, and various landmarks to determine the anteroposterior and vertical proportions were marked...
September 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28871878/premature-identical-twin-neonates-with-sleep-apnea
#8
Anirudh Ramesh, Johanna Diaz, Lawrence Nogee, Jessica Duis, Dae Song Jang, Cathleen Lawson, Gustavo Maegawa
No abstract text is available yet for this article.
October 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28854398/epigenetic-discrimination-of-identical-twins-from-blood-under-the-forensic-scenario
#9
Athina Vidaki, Celia Díez López, Elena Carnero-Montoro, Arwin Ralf, Kirsten Ward, Timothy Spector, Jordana T Bell, Manfred Kayser
Monozygotic (MZ) twins share the same STR profile, demonstrating a practical problem in forensic casework. DNA methylation has provided a suitable resource for MZ twin differentiation; however, studies addressing the forensic feasibility are lacking. Here, we investigated epigenetic MZ twin differentiation from blood under the forensic scenario comprising i) the discovery of candidate markers in reference-type blood DNA via genome-wide analysis, ii) the technical validation of candidate markers in reference-type blood DNA using a suitable targeted method, and iii) the analysis of the validated markers in trace-type DNA...
August 18, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28852152/functional-and-effective-whole-brain-connectivity-using-magnetoencephalography-to-identify-monozygotic-twin-pairs
#10
M Demuru, A A Gouw, A Hillebrand, C J Stam, B W van Dijk, P Scheltens, B M Tijms, E Konijnenberg, M Ten Kate, A den Braber, D J A Smit, D I Boomsma, P J Visser
Resting-state functional connectivity patterns are highly stable over time within subjects. This suggests that such 'functional fingerprints' may have strong genetic component. We investigated whether the functional (FC) or effective (EC) connectivity patterns of one monozygotic twin could be used to identify the co-twin among a larger sample and determined the overlap in functional fingerprints within monozygotic (MZ) twin pairs using resting state magnetoencephalography (MEG). We included 32 cognitively normal MZ twin pairs from the Netherlands Twin Register who participate in the EMIF-AD preclinAD study (average age 68 years)...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28838318/anesthetic-management-during-adenotonsillectomy-for-twins-with-congenital-insensitivity-to-pain-with-anhidrosis-two-case-reports
#11
Cong Wang, Xianwei Zhang, Shanna Guo, Jiaoli Sun, Ningbo Li
BACKGROUND: Congenital insensitivity to pain with anhidrosis is a rare autosomal recessive disorder characterized by hyperpyrexia, anhidrosis, pain insensitivity, self-inflicted injuries, and intellectual disability. The anesthetic management of these patients is challenging owing to the high risk of perioperative complications resulting from their autonomic dysfunction, such as hyperthermia, hypotension, and bradycardia, which result from autonomic nervous system dysfunction. CASE PRESENTATION: Two 3-year-old Han Chinese identical male twins (weighing 13...
August 25, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28830440/cross-sectional-association-between-soda-consumption-and-body-mass-index-in-a-community-based-sample-of-twins
#12
Anna E Eney, Siny Tsang, Joseph A Delaney, Eric Turkheimer, Glen E Duncan
BACKGROUND: Consumption of sugar-sweetened beverages, such as soda, have been shown to play an important role in weight gain. Although soda consumption has been associated with body mass index (BMI) in many studies, it has been difficult to ascertain a true causal relationship between soda consumption and BMI for two reasons. First, findings have been based largely on observational and cross-sectional studies, with much less evidence from randomized controlled trials. Second, the reported relationships may be confounded by genetic and shared environmental factors that affect both soda consumption and BMI...
August 22, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28821748/anxiety-related-experience-dependent-white-matter-structural-differences-in-adolescence-a-monozygotic-twin-difference-approach
#13
Nagesh Adluru, Zhan Luo, Carol A Van Hulle, Andrew J Schoen, Richard J Davidson, Andrew L Alexander, H Hill Goldsmith
Anxiety is linked to deficits in structural and functional connectivity between limbic structures and pre-frontal cortices. We employed a monozygotic (MZ) twin difference design to examine the relationship between structural characteristics of the uncinate fasciculus (UF) measured by Diffusion Tensor Imaging (DTI) and anxiety symptoms in a sample of N = 100 monozygotic (genetically identical), adolescent twins. The MZ difference design allowed us focus on environmental factors that vary within twin pairs while controlling for genetic and environmental factors shared by twin pairs...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28803597/somali-latino-and-hmong-parents-perceptions-and-approaches-about-raising-healthy-weight-children-a-community-based-participatory-research-study
#14
Chrisa Arcan, Kathleen A Culhane-Pera, Shannon Pergament, Maira Rosas-Lee, Mai Bao Xiong
OBJECTIVE: Immigrants in the USA are confronted with health disparities, including childhood obesity and obesity-related chronic diseases. We aimed to identify perceptions of childhood body weight, approaches to raising healthy children and desires for supportive programmes of Somali, Latino and Hmong (SLM) parents in the Twin Cities, Minnesota, USA. DESIGN: Using community-based participatory research, ten focus groups (FG) were conducted with sixty-seven parents (n 28 Somali, three FG; n 19 Latino, four FG; n 20 Hmong, three FG) of 3-12-year-old children in their native language...
August 14, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28796570/pedigree-analysis-of-familial-primary-concomitant-horizontal-strabismus-in-northern-india
#15
Zia Chaudhuri, Jibin John, Satinder Aneja, B K Thelma
PURPOSE: Familial clustering of common forms of primary strabismus like esotropia (ET) and exotropia (XT) is observed in a proportion of the strabismus cohort. The genetic components of this remain unidentified. Linkage studies have demonstrated susceptibility locus for primary strabismus at the STBMS1 locus on 7p22.1 as well as other loci on 4q28.3 and 7q31.2. Recently next generation sequencing (NGS) technology has emerged as a powerful tool in discovery genomics and a large number of novel disease-causing variants are being reported...
August 10, 2017: Strabismus
https://www.readbyqxmd.com/read/28765789/deep-sequencing-reveals-variations-in-somatic-cell-mosaic-mutations-between-monozygotic-twins-with-discordant-psychiatric-disease
#16
Yoshiro Morimoto, Shinji Ono, Akira Imamura, Yuji Okazaki, Akira Kinoshita, Hiroyuki Mishima, Hideyuki Nakane, Hiroki Ozawa, Koh-Ichiro Yoshiura, Naohiro Kurotaki
Monozygotic (MZ) twins have been thought to be genetically identical. However, recent studies have shown discordant variants between them. We performed whole-exome sequencing (WES) in five MZ twin pairs with discordant neurodevelopmental disorders and one healthy control MZ twin to detect discordant variants. We identified three discordant variants confirmed by deep sequencing after analysis by personalized next-generation sequencing (NGS). Three mutations in FBXO38 (chr5:147774428;T>G), SMOC2 (chr6:169051385;A>G) and TDRP (chr8:442616;A>G), were detected with low allele frequency of mutant alleles on deep sequencing, suggesting that these loci are mosaic due to somatic mutations in a developmental stage...
2017: Human Genome Variation
https://www.readbyqxmd.com/read/28750823/major-depressive-disorder-suicidal-thoughts-and-behaviours-and-cannabis-involvement-in-discordant-twins-a-retrospective-cohort-study
#17
Arpana Agrawal, Elliot C Nelson, Kathleen K Bucholz, Rebecca Tillman, Richard A Grucza, Dixie J Statham, Pamela Af Madden, Nicholas G Martin, Andrew C Heath, Michael T Lynskey
BACKGROUND: Early and frequent cannabis use are associated with an increased likelihood of major depressive disorder (MDD) as well as suicidal thoughts and behaviours. We identify associations between aspects of cannabis use, MDD, and suicidal thoughts and behaviours and examine whether such associations persist after accounting for those predisposing factors, including genetic liability and early family environment, that are shared by identical twins who are discordant for cannabis exposure...
September 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28741130/epigenetic-involvement-in-etiopathogenesis-and-implications-in-treatment-of-systemic-lupus-erythematous
#18
REVIEW
Arron Munggela Foma, Saeed Aslani, Jafar Karami, Ahmadreza Jamshidi, Mahdi Mahmoudi
BACKGROUND: Recent researches in the field of genetics have extended our knowledge through the discovery of genetic factors associated with autoimmune diseases (AID). Genetics by itself, however, cannot elucidate all the uncertainties encountered in the etiopathology of AID. On the other hand, incomplete harmony in the prevalence of AID in identical twins suggests that non-genetic factors may play an important role in determining the disease susceptibility. Besides, epigenetics, which is defined by changes in gene expression without a corresponding change in the DNA sequences, has come in to provide new awareness in the disease etiopathology by bridging the genetic and epigenetic factors...
July 24, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28713498/identical-twins-with-pierre-robin-syndrome-unusual-encounter
#19
Nabil Shdaifat, Zaid Al-Zoubi, Hazem Khraisat, Rana Al-Omor, Khaled Matar
New born babies could suffer from multiple craniofacial abnormalities, such as Pierre Robin syndrome, which consists of micrognathia and relative macroglossia with or without cleft palate. Although Pierre Robin syndrome is well described in literature, only a few have mentioned its occurrence in identical twins. This paper presents a rare incident of full-term twin babies born with the sequence of Pierre Robin syndrome, which consists of micrognathia, cleft palate, and glossoptosis. Although it is a rare coincidence, Pierre Robin syndrome still can occur in identical twin babies...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28712365/psychoneurometric-assessment-of-dispositional-liabilities-for-suicidal-behavior-phenotypic-and-etiological-associations
#20
N C Venables, J R Yancey, M D Kramer, B M Hicks, R F Krueger, W G Iacono, T E Joiner, C J Patrick
BACKGROUND: Can core genetic liabilities for suicidal behavior be indexed using psychological and neural indicators combined? The current work addressed this question by examining phenotypic and genetic associations of two biobehavioral traits, threat sensitivity (THT) and disinhibition (DIS) - operationalized as psychoneurometric variables (i.e., composites of psychological-scale and neurophysiological measures) - with suicidal behaviors in a sample of adult twins. METHODS: Participants were 444 identical and fraternal twins recruited from an urban community...
July 17, 2017: Psychological Medicine
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