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J F Ji, Y P Zhao
The article outlined the speeches of Surgeon Branch during the Annual Scientific Conference of Chinese Medical Association in 2018.From the perspectives of inheritance, innovation, standardization and improvement, it summarizes the major progress of Chinese surgery in 2017 and introduces the objectives and action plans of Chinese Medical Association Branch of Surgery this year.
April 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
A E Webb, I A Youngworth, M Kaya, C L Gitter, E A O'Hare, B May, H H Cheng, M E Delany
Wingless-2 (wg-2) is an autosomal recessive mutation in chicken that results in an embryonic lethal condition. Affected individuals exhibit a multisystem syndrome characterized by absent wings, truncated legs, and craniofacial, kidney, and feather malformations. Previously, work focused on phenotype description, establishing the autosomal recessive pattern of Mendelian inheritance and placing the mutation on an inbred genetic background to create the congenic line UCD Wingless-2.331. The research described in this paper employed the complementary tools of breeding, genetics, and genomics to map the chromosomal location of the mutation and successively narrow the size of the region for analysis of the causative element...
March 19, 2018: Poultry Science
Adam Domonkos Tarnoki, Andrea Agnes Molnar, David Laszlo Tarnoki, Levente Littvay, Emanuela Medda, Corrado Fagnani, Antonio Arnolfi, Filippo Farina, Claudio Baracchini, Giorgio Meneghetti, Giacomo Pucci, Giuseppe Schillaci, Maria Antonietta Stazi, György L Nadasy
AIMS: The elasticity of the internal jugular vein (IJV) is a major determinant of cerebral venous drainage and right atrium venous return. However, the level of genetic determination of IJV dimensions, compliance and distensibility has not been studied yet. METHODS: 170 adult Caucasian twins (43 monozygotic [MZ] and 42 dizygotic [DZ] pairs) were involved from the Italian twin registry. Anteroposterior and mediolateral diameters of the IJV were measured bilaterally by ultrasonography...
2018: PloS One
Shaoran Yang, Kaili Zhang
Carbon materials derived from biomass are promising electrode materials for supercapacitor application due to their specific porosity, low cost and electrochemical stability. Herein, a hierarchical porous carbon derived from corncob was developed for use as electrodes. Benefitting from its hierarchical porosity, inherited from the natural structure of corncob, high BET surface area (1471.4 m²·g-1 ) and excellent electrical conductivity, the novel carbon material exhibited a specific capacitance of 293 F·g-1 at 1 A·g-1 in 6 M KOH electrolyte and maintained at 195 F·g-1 at 5 A·g-1 ...
March 21, 2018: Nanomaterials
Hirofumi Noguchi, Chika Miyagi-Shiohira, Yoshiki Nakashima
Induced pluripotent stem (iPS) cells have significant implications for overcoming most of the ethical issues associated with embryonic stem (ES) cells. The pattern of expressed genes, DNA methylation, and covalent histone modifications in iPS cells are very similar to those in ES cells. However, it has recently been shown that, following the reprogramming of mouse/human iPS cells, epigenetic memory is inherited from the parental cells. These findings suggest that the phenotype of iPS cells may be influenced by their cells of origin and that their skewed differentiation potential may prove useful in the generation of differentiated cell types that are currently difficult to produce from ES/iPS cells for the treatment of human diseases...
March 21, 2018: International Journal of Molecular Sciences
Despina Apostolopoulou, Olga S Kaxira, Angeliki Hatzaki, Kanaris P Panagopoulos, Konstantinos Alexandrou, Alexander Stratoudakis, Panagoula Kollia, Vassiliki Aleporou
INTRODUCTION: Craniosynostosis, the premature fusion of cranial sutures, is usually divided into 2 major categories: syndromic and nonsyndromic. Mutations in the FGFR1, FGFR2, FGFR3, TWIST1, and EFNB1 genes cause the common craniosynostosis syndromes Muenke, Crouzon and Crouzon with acanthosis nigricans, Apert, Pfeiffer, Saethre-Chotzen, and Craniofrontonasal. Overlapping features among craniosynostosis syndromes, phenotypic heterogeneity even within the same syndrome, especially in the case of Muenke syndrome, and inadequate clinical evaluation can lead to misdiagnosis, which molecular testing can help clarify...
January 1, 2018: Cleft Palate-craniofacial Journal
Jane E Wilcox, Ray E Hershberger
PURPOSE OF REVIEW: To describe recent advancements in cardiovascular genetics made possible by leveraging next-generation sequencing (NGS), and to provide a framework for practical applications of genetic testing for hypertrophic (HCM), dilated (DCM), and arrhythmogenic right ventricular cardiomyopathies (ARVC). RECENT FINDINGS: The availability of NGS has made possible extensive reference databases. These, combined with recent initiatives to compile previously siloed commercial and research cardiomyopathy data sets, provide a more powerful and precise approach to cardiovascular genetic medicine...
March 19, 2018: Current Opinion in Cardiology
Tina Stopp, Michael Feichtinger, Wolfgang Eppel, Thomas M Stulnig, Peter Husslein, Christian Göbl
McArdle disease or glycogen storage disease (GSD) type V is a rare autosomal recessive inherited disorder in skeletal muscle metabolism leading to exercise intolerance, muscle cramps and in some cases to rhabdomyolysis and acute renal failure due to elevated serum myoglobin levels. Albeit the uterine smooth muscle is not affected, pregnancy and delivery can be physically strenuous and may require specific anesthesiologic care. However, data on pregnancy progress and outcome and on special implications linked to anesthesia in women with McArdle's disease is scarce, thus posing a challenge to pre- and peripartal management...
March 21, 2018: Gynecological Endocrinology
Hagit Schayek, Hila Korach, Yael Laitman, Rinat Bernstein-Molho, Eitan Friedman
PURPOSE: To define the mutational spectrum of several candidate gene mutations in Israeli male breast cancer cases. METHODS: MBC cases counselled at the Oncogenetics unit, Sheba Medical Center from January 1998 to June 2017 were included. Relevant clinical and oncological data and cancer phenotype were retrieved. All participants were genotyped for the predominant Jewish BRCA1 and BRCA2 germline mutations using a chip-based assay. Those who tested negative were further genotyped for three recurring mutations in CHEK2 (c...
March 21, 2018: Breast Cancer Research and Treatment
Yuyuan Deng, Zhijie Niu, LiangLiang Fan, Jie Ling, Hongsheng Chen, Xinzhang Cai, Lingyun Mei, Chufeng He, Xuewei Zhang, Jie Wen, Meng Li, Wu Li, Taoxi Li, Shushan Sang, Yalan Liu, Yong Feng
X-linked inheritance is very rare and is estimated to account for only 1-5% of all nonsyndromic hearing loss cases. We found a multiplex family from China segregating with X-linked nonsyndromic hearing loss. After exclusive analysis of 10 common variations of three hearing loss-related genes, GJB2, mtDNA12srRNA and SLC26A4, a novel truncated variant of SMPX, c.87dupA (p.Gly30Argfs*12) (NCBI ClinVar Submission ID: SUB3136126), was identified by whole-exome sequencing. This variant was co-segregated with hearing loss in the entire family and was absent in 576 unrelated ethnically and geographically matched controls...
March 20, 2018: Journal of Human Genetics
Alba Di Pardo, Vittorio Maglione
Huntington's disease (HD) is a single-gene inheritable neurodegenerative disorder with an associated complex molecular pathogenic profile that renders it the most 'curable incurable' brain disorder. Continuous effort in the field has contributed to the recent discovery of novel potential pathogenic mechanisms. Findings in preclinical models of the disease as well as in human post-mortem brains from affected patients demonstrate that alteration of the sphingosine-1-phosphate (S1P) axis may represent a possible key player in the pathogenesis of the disease and may act as a potential actionable drug target for the development of more targeted and effective therapeutic approaches...
March 17, 2018: Trends in Pharmacological Sciences
Cyril Pottier, Evadnie Rampersaud, Matt Baker, Gang Wu, Joanne Wuu, Jacob L McCauley, Stephan Zuchner, Rebecca Schule, Christin Bermudez, Sumaira Hussain, Anne Cooley, Marielle Wallace, Jinghui Zhang, J Paul Taylor, Michael Benatar, Rosa Rademakers
Homozygous loss-of-function mutations in optineurin (OPTN) are a rare cause of amyotrophic lateral sclerosis (ALS), whereas heterozygous loss-of-function mutations have been suggested to increase ALS disease risk. We report a patient with ALS and frontotemporal dementia (FTD) from the Clinical Research in ALS and Related Disorders for Therapeutic Development (CReATe) Consortium carrying compound heterozygous loss-of-function variants in OPTN. Quantitative real-time mRNA expression analyses revealed a 75-80% reduction in OPTN expression in blood in the OPTN carrier as compared to controls, suggesting at least partial nonsense-mediated decay of the mutant transcripts...
March 20, 2018: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
Nora E Fritz, Nicholas R Boileau, Julie C Stout, Rebecca Ready, Joel S Perlmutter, Jane S Paulsen, Kimberly Quaid, Stacey Barton, Michael K McCormack, Susan L Perlman, Noelle E Carlozzi
Up to 90% of individuals with Huntington's disease (HD)-a progressive, inherited neurodegenerative disorder-experience apathy. Apathy is particularly debilitating because it is marked by a reduction in goal-directed behaviors, including self-care, social interactions, and mobility. The objective of this study was to examine relationships between variables of apathy, functional status, physical function, cognitive function, behavioral status/emotional function, and health-related quality of life. Clinician-rated measures of physical, cognitive, and behavioral function, including one clinician-rated item on apathy, and self-reported measures of physical function, health-related quality of life, and emotional, cognitive, and social function were collected in a single session from 487 persons with the HD mutation (prodromal, N=193; early-stage manifest, N=186; late-stage manifest, N=108)...
March 21, 2018: Journal of Neuropsychiatry and Clinical Neurosciences
Stefanos Siozios, Michael Gerth, Joanne S Griffin, Gregory D D Hurst
The inherited bacterium Wolbachia is an important component of the biology of many arthropods. What makes it so common? An analysis of drosophilids revealed one strain host shifts at a surprisingly high rate, infecting eight species in under 30,000 years.
March 19, 2018: Current Biology: CB
Xiaofen Zhang, Guoyun Wang, Bin Chen, Heshan Du, Fenglan Zhang, Haiying Zhang, Qian Wang, Sansheng Geng
First flower node (FFN) is an important trait for evaluating fruit earliness in pepper (Capsicum annuum L.), but the genetic mechanisms that control FFN are still poorly understood. In the present study, we developed 249 F2 plants derived from an intraspecific cross between the inbred pepper lines Z4 and Z5. Thirty plants with the highest FFN and 30 plants with the lowest FFN were chosen and their DNAs were pooled according to phenotype to construct two bulked DNA pools. Specific-locus amplified fragment sequencing (SLAF-seq) was combined with bulked segregant analysis (BSA) to identify candidate regions related to FFN...
2018: PloS One
Ozlem Kurnaz-Gomleksiz, Ozlem Kucukhuseyin, Elif Ozkok, Zehra Bugra, Oguz Ozturk, Hulya Yilmaz-Aydogan
BACKGROUND: The OLR1 gene has been identified as a candidate gene for coronary artery disease (CAD). Six single-nucleotide polymorphisms (SNPs) of the OLR1 gene located within intron 4 (IVS4-27G>C, IVS4-73C>T, IVS4-14A>G), intron 5 (IVS5-70A>G, IVS5-27G>T) and 3'UTR (188C>T) comprise a linkage disequilibrium (LD) block, which is strongly associated with the elevated risk of CAD. OBJECTIVES: We aimed to investigate the effects of the OLR1 IVS4-14A>G and -73C>T SNPs on metabolic parameters in Turkish CAD patients, and the linkage between these 2 genetic variants...
March 20, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Marcin Kubik, Alicja Dąbrowska-Kugacka, Ewa Lewicka, Ludmiła Daniłowicz-Szymanowicz, Grzegorz Raczak
Left ventricular noncompaction (LVNC) is a unique inherited cardiomyopathy, characterized by an increased risk of adverse cardiovascular events such as heart failure, arrhythmia or sudden cardiac death. Although in comparison to dilated cardiomyopathy, the number of clinical studies concerning LVNC is still small, it is quickly increasing, which reflects a huge effort of the cardiovascular society to develop data to improve understanding of this cardiomyopathy. However, the predictors of adverse outcomes in LVNC are not well established...
March 16, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Victoria Huckstadt, María E Heis Mendoza, Angélica Moresco, María G Obregon
Pai syndrome is a very rare congenital disorder characterized by medial cleft lip, nasal and facial cutaneous polyps, and pericallosal lipoma. Broad phenotypic variability exists in this condition. Neurodevelopment is usually normal. Up to date 42 cases have been reported in the literature. Different types of inheritance have been proposed, but most cases are sporadic. No gene has been identified. We report two cases with Pai syndrome, one of them with novel clinical findings as vertebral segmentation defects and choroidal osteoma...
April 1, 2018: Archivos Argentinos de Pediatría
Erdem Kucukal, Jane A Little, Umut A Gurkan
Non-adherence and deformability are the key intrinsic biomechanical features of the red blood cell (RBC), which allow it to tightly squeeze and pass through even the narrowest of microcirculatory networks. Blockage of microcirculatory flow, also known as vaso-occlusion, is a consequence of abnormal cellular adhesion to the vascular endothelium. In sickle cell disease (SCD), an inherited anaemia, even though RBCs have been shown to be heterogeneous in adhesiveness and deformability, this has not been studied in the context of physiologically relevant dynamic shear gradients at the microscale...
March 20, 2018: Integrative Biology: Quantitative Biosciences From Nano to Macro
Samuel James Alexander Dobson, Kanna Mannadiar Jayaprakasan
We conducted a retrospective review into the role of commonly prescribed conventional adjuvant treatments in improving live birth rates after recurrent miscarriage (RM). Data from 301 couples attending the RM clinic in two Tertiary teaching hospitals were analysed with their live birth rate following a further pregnancy and a prevalence of conditions investigated in RM being the main outcomes measured. We found that 26% of women had explained RM and 74% had unexplained RM. Adjuvant versus conservative management did not improve the live birth rates in those with unexplained RM (68...
March 20, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
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