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https://www.readbyqxmd.com/read/29334652/insight-into-the-expression-variation-of-metal-responsive-genes-in-the-seedling-of-date-palm-phoenix-dactylifera
#1
Zayneb Chaâbene, Agnieszka Rorat, Imen Rekik Hakim, Fabien Bernard, Grubb C Douglas, Amine Elleuch, Franck Vandenbulcke, Hafedh Mejdoub
Phytochelatin synthase and metallothionein gene expressions were monitored via qPCR in order to investigate the molecular mechanisms involved in Cd and Cr detoxification in date palm (Phoenix dactylifera). A specific reference gene validation procedure using BestKeeper, NormFinder and geNorm programs allowed selection of the three most stable reference genes in a context of Cd or Cr contamination among six reference gene candidates, namely elongation factor α1, actin, aldehyde dehydrogenase, SAND family, tubulin 6 and TaTa box binding protein...
December 28, 2017: Chemosphere
https://www.readbyqxmd.com/read/29334565/reversal-of-intestinal-failure-in-children-with-tufting-enteropathy-supported-with-parenteral-nutrition-at-home
#2
Iona Ashworth, Alexander Wilson, Samuel Aquilina, Raymond Parascandalo, Victor Mercieca, Jurgen Gerada, Sarah Macdonald, Venetia Simchowitz, Susan Hill
OBJECTIVES: To review long-term outcome of Intestinal Epithelial Dysplasia(IED)/tufting enteropathy(TE) patients treated with parenteral nutrition(PN) at home managed by an intestinal failure(IF) rehabilitation service METHODS:: Infants presenting from 1986-2010 with IF, and TE histology were retrospectively reviewed for up to 30 years. Data collected included: outcome, presentation, nutrition(parenteral/enteral), country of residence, race, EpCAM gene, growth, bone age, occupation. RESULTS: 13 patients (6 male) in Malta and the UK with TE histology were established on home PN...
January 13, 2018: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29334470/heterologous-expression-of-rhizobial-celc2-cellulase-impairs-symbiotic-signaling-and-nodulation-in-medicago-truncatula
#3
Marta Robledo, Esther Menéndez, Jose Ignacio Jimenez-Zurdo, Raúl Rivas, Encarna Velazquez, Eustoquio Martinez-Molina, Giles Oldroyd, Pedro F Mateos
The infection of legume plants by rhizobia is tightly regulated to ensure accurate bacterial penetration, infection and development of functionally efficient nitrogen-fixing root nodules. Rhizobial Nod Factors (NF) have key roles in the elicitation of nodulation signalling. Infection of white clover roots also involves the tightly regulated specific breakdown of the non-crystalline apex of cell walls in growing root hairs, which is mediated by Rhizobium leguminosarum bv. trifolii cellulase CelC2. Here, we have analyzed the impact of this endoglucanase on symbiotic signalling in the model legume Medicago truncatula...
January 15, 2018: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/29334415/early-burst-in-body-size-evolution-is-uncoupled-from-species-diversification-in-diving-beetles-dytiscidae
#4
Aurélie Désamoré, Benjamin Laenen, Kelly B Miller, Johannes Bergsten
Changes in morphology are often thought to be linked to changes in species diversification, which is expected to leave a signal of Early Burst (EB) in phenotypic traits. However, such signal is rarely recovered in empirical phylogenies, even for groups with well-known adaptive radiation. Using a comprehensive phylogenetic approach in Dytiscidae, which harbors ~4,300 species with as much as 50-fold variation in body size among them, we ask whether pattern of species diversification correlates with morphological evolution...
January 15, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29334044/gene-environment-interplay-in-the-etiology-of-psychosis
#5
Alyson Zwicker, Eileen M Denovan-Wright, Rudolf Uher
Schizophrenia and other types of psychosis incur suffering, high health care costs and loss of human potential, due to the combination of early onset and poor response to treatment. Our ability to prevent or cure psychosis depends on knowledge of causal mechanisms. Molecular genetic studies show that thousands of common and rare variants contribute to the genetic risk for psychosis. Epidemiological studies have identified many environmental factors associated with increased risk of psychosis. However, no single genetic or environmental factor is sufficient to cause psychosis on its own...
January 15, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29333607/arabidopsis-mlo2-is-a-negative-regulator-of-sensitivity-to-extracellular-ros
#6
Fuqiang Cui, Hongpo Wu, Omid Safronov, Panpan Zhang, Rajeev Kumar, Hannes Kollist, Jarkko Salojärvi, Ralph Panstruga, Kirk Overmyer
The atmospheric pollutant ozone (O3 ) is a strong oxidant that causes extracellular reactive oxygen species (ROS) formation, has significant ecological relevance, and is used here as a non-invasive ROS inducer to study plant signalling. Previous genetic screens identified several mutants exhibiting enhanced O3- sensitivity, but few with enhanced tolerance. We found that loss-of-function mutants in Arabidopsis MLO2, a gene implicated in susceptibility to powdery mildew disease, exhibit enhanced dose-dependent tolerance to O3 and extracellular ROS, but a normal response to intracellular ROS...
January 15, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29333574/unique-metabolic-activation-of-adipose-tissue-macrophages-in-obesity-promotes-inflammatory-responses
#7
Lily Boutens, Guido J Hooiveld, Sourabh Dhingra, Robert A Cramer, Mihai G Netea, Rinke Stienstra
AIMS/HYPOTHESIS: Recent studies have identified intracellular metabolism as a fundamental determinant of macrophage function. In obesity, proinflammatory macrophages accumulate in adipose tissue and trigger chronic low-grade inflammation, that promotes the development of systemic insulin resistance, yet changes in their intracellular energy metabolism are currently unknown. We therefore set out to study metabolic signatures of adipose tissue macrophages (ATMs) in lean and obese conditions...
January 14, 2018: Diabetologia
https://www.readbyqxmd.com/read/29333326/evaluation-of-the-periodontal-regenerative-properties-of-patterned-human-periodontal-ligament-stem-cell-sheets
#8
Joong-Hyun Kim, Seok-Yeong Ko, Justin Ho Lee, Deok-Ho Kim, Jeong-Ho Yun
Purpose: The aim of this study was to determine the effects of patterned human periodontal ligament stem cell (hPDLSC) sheets fabricated using a thermoresponsive substratum. Methods: In this study, we fabricated patterned hPDLSC sheets using nanotopographical cues to modulate the alignment of the cell sheet. Results: The hPDLSCs showed rapid monolayer formation on various surface pattern widths. Compared to cell sheets grown on flat surfaces, there were no significant differences in cell attachment and growth on the nanopatterned substratum...
December 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29333101/variations-in-the-aurka-gene-biomarkers-for-the-development-and-progression-of-hepatocellular-carcinoma
#9
Bin Wang, Chin-Jung Hsu, Chia-Hsuan Chou, Hsiang-Lin Lee, Whei-Ling Chiang, Chen-Ming Su, Hsiao-Chi Tsai, Shun-Fa Yang, Chih-Hsin Tang
Hepatocellular carcinoma (HCC) is a liver malignancy and a major cause of cancer mortality worldwide. AURKA (aurora kinase A) is a mitotic serine/threonine kinase that functions as an oncogene and plays a critical role in hepatocarcinogenesis. We report on the association between 4 single nucleotide polymorphisms (SNPs) of the AURKA gene (rs1047972, rs2273535, rs2064836, and rs6024836) and HCC susceptibility as well as clinical outcomes in 312 patients with HCC and in 624 cancer-free controls. We found that carriers of the TT allele of the variant rs1047972 were at greater risk of HCC compared with wild-type (CC) carriers...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29332649/isoniazid-and-rifampicin-heteroresistant-mycobacterium-tuberculosis-isolated-from-tuberculous-meningitis-patients-in-india
#10
Renu Gupta, Rajeev Thakur, Suman Kushwaha, Nupur Jalan, Pumanshi Rawat, Piyush Gupta, Amitesh Aggarwal, Meena Gupta, Vikas Manchanda
BACKGROUND: Heteroresistant Mycobacterium tuberculosis (mixture of susceptible and resistant subpopulations) is thought to be a preliminary stage to full resistance and timely detection, initiation of correct treatment is vital for successful anti tubercular therapy. The aim of this study was to detect multi drug resistant (MDR) and heteroresistant M. tuberculosis with the associated gene mutations from patients of tuberculous meningitis. METHODS: A total of 197 M...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332587/lysosomal-acid-lipase-deficiency-could-dyslipidemia-drive-the-diagnosis
#11
Ornella Guardamagna
LAL-deficiency (LAL-D) is a rare and systemic condition, secondary to LIPA gene mutations, responsible for lysosomal accumulation of cholesteryl esters and triglycerides, whose manifestations are very heterogeneous in terms of age of onset, severity and type of clinical and radiological manifestations. Dyslipidemia, hepatomegaly and hepatosteatosis with increased levels of transaminases are the most common features. The increased risk of premature atherosclerosis and cardiovascular disorders,, secondary to a generalized alteration of lipid profile and lipoprotein dysfunction associated with LAL-D, has been increasingly pointed out...
January 11, 2018: Current Pediatric Reviews
https://www.readbyqxmd.com/read/29331839/functional-characterization-of-a-novel-herg-variant-in-a-family-with-recurrent-sudden-infant-death-syndrome-retracting-a-genetic-diagnosis
#12
Valentine Sergeev, Frances Perry, Thomas M Roston, Shubhayan Sanatani, Glen F Tibbits, Thomas W Claydon
Long QT syndrome (LQTS) is the most common cardiac ion channelopathy and has been found to be responsible for approximately 10% of sudden infant death syndrome (SIDS) cases. Despite increasing use of broad panels and now whole exome sequencing (WES) in the investigation of SIDS, the probability of identifying a pathogenic mutation in a SIDS victim is low. We report a family-based study who are afflicted by recurrent SIDS in which several members harbor a variant, p.Pro963Thr, in the C-terminal region of the human-ether-a-go-go (hERG) gene, published to be responsible for cases of LQTS type 2...
December 20, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29331522/nanos3-not-nanos1-and-nanos2-is-a-germ-cell-marker-gene-in-large-yellow-croaker-during-embryogenesis
#13
Kunhuang Han, Shihai Chen, Mingyi Cai, Yonghua Jiang, Ziping Zhang, Yilei Wang
In this study, three nanos gene subtypes (Lcnanos1, Lcnanos2 and Lcnanos3) from Larimichthys crocea, were cloned and characterized. We determined the spatio-temporal expression patterns of each subtype in tissues as well as the cellular localization of mRNA in embryos. Results showed that deduced Nanos proteins have two main homology domains: N-terminal CCR4/NOT1 deadenylase interaction domain and highly conserved carboxy-terminal region bearing two conserved CCHC zinc-finger motifs. The expression levels of Lcnanos1 in testis were significantly higher than other tissues, followed by heart, brain, eye, and ovary...
January 10, 2018: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29331495/role-of-bcl2l10-in-regulating-buffalo-bubalus-bubalis-oocyte-maturation
#14
Yu-Lin Huang, Huan-Jing Wang, Fu-Mei Chen, Xiu-Ling Zhao, Qiang Fu, Peng-Fei Zhang, Li-Ping Pu, Feng-Ling Huang, Yang-Qing Lu, Ming Zhang
It has been reported that BCL2L10 is abundantly and specifically expressed in adult human and mouse oocytes and played a very important role in oocytes maturation and early embryonic development. This study is to investigate the expression pattern of BCL2L10 in buffalo ovaries and its effect on the in vitro maturation of buffalo oocytes, so as to dissect mechanism of oocytes maturation and provide theoretical guidance for improvement of the in vitro maturation of buffalo oocytes. The results showed that BCL2L10 gene was enriched in ovary and the expression of BCL2L10 was oocyte specific and up-regulated during oocyte maturation...
December 30, 2017: Theriogenology
https://www.readbyqxmd.com/read/29331479/molecular-characterization-and-expression-of-piwil1-and-piwil2-during-gonadal-development-and-treatment-with-hcg-and-lhrh-a2-in-odontobutis-potamophila
#15
Cheng Zhao, Wenxu Zhu, Shaowu Yin, Quanquan Cao, Hongye Zhang, Xin Wen, Guosong Zhang, Wanli Xie, Shuqiao Chen
Piwi proteins play an important regulatory role in germ cell division during gametogenesis and gonad development. In order to understand the function of Piwi genes in the reproductive process of the dark sleeper, we identified and characterized Piwil1 and Piwil2 from gonad tissue. The tissue distribution demonstrated that Piwils were highly expressed in the gonad of the dark sleeper. During gonad development, higher expression was observed in stage I of both the testes and ovaries than in subsequent stages at mRNA and protein levels...
January 10, 2018: Gene
https://www.readbyqxmd.com/read/29331468/symposium-review-the-influences-of-heat-stress-on-bovine-mammary-gland-function
#16
S Tao, R M Orellana, X Weng, T N Marins, G E Dahl, J K Bernard
Heat stress reduces cow milk yield and results in a significant economic loss for the dairy industry. During lactation, heat stress lowers milk production by 25 to 40% with half of the decrease in milk synthesis resulting from the reduced feed intake. In vitro studies indicate that primary bovine mammary epithelial cells display greater rates of programmed cell death when exposed to high ambient temperatures, which may lead to a decrease in the total number of mammary epithelial cells in the mammary gland, partially explaining the lower milk production of lactating cows under heat stress...
January 10, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29331373/establishment-and-characterization-of-five-immortalized-human-scalp-dermal-papilla-cell-lines
#17
Mi Hee Kwack, Jung Min Yang, Gong Hee Won, Moon Kyu Kim, Jung Chul Kim, Young Kwan Sung
Dermal papilla (DP) regulates the growth and cycling of hair follicles. Cultured DP cells are useful for the study of their role in relation to hair growth and regeneration. However, cultivation of human DP cells is tedious and difficult. In addition, cultured DP cells possess a relatively short replicative life span, requiring immortalized human DP cell lines. We previously established an immortalized human DP cell line, SV40T-hTERT-DPC, by introducing human telomerase reverse transcriptase (hTERT) gene into the transformed cell line, SV40T-DPC...
January 10, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29331349/effect-of-a-lect2-on-the-immune-response-of-peritoneal-lecukocytes-against-vibrio-anguillarum-in-roughskin-sculpin
#18
Yingmei Chai, Bailin Cong, Shanshan Yu, Yingying Liu, Xin Man, Lujie Wang, Qian Zhu
Leukocyte cell-derived chemotaxin 2 (LECT2) is a multi-functional protein that is mainly synthesized by the liver. However, its role in roughskin scalping is less known. Here, we cloned a leukocyte cell-derived chemotaxin 2 (TfLECT2) genes in the liver of roughskin scalping, Trachidermus fasciatus, and studied its possible role involved in the immune response against Vibrio anguillarum (V. anguillarum) of peritoneal lecukocytes under in vivo conditions. The cDNA sequence of TfLECT2 is 566 bp in size. Its deduced amino acid (aa) sequence comprises 151 residues, of which the first 16 residues form a putative signal peptide and 101 residues compose a typical peptidase M23 domain in the C-terminal region...
January 10, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29331074/cryopyrin-associated-periodic-syndrome-in-early-childhood-can-be-successfully-treated-with-interleukin-1-blockades
#19
Vesa Eskola, Heini Pohjankoski, Liisa Kröger, Kristiina Aalto, Katariina Latva, Matti Korppi
Cryopyrin-associated periodic syndrome (CAPS) is caused by a mutation in the NLRP3 gene encoding cryopyrin production. Overproduction of interleukin-1 (IL-1) leads to symptoms that are associated with elevated inflammatory markers, including periodic fever and a rash. We provide a clinical overview of CAPS in children, including three Finnish case studies. Conclusion When CAPS has been diagnosed, an IL-1 blockade with biologicals should be introduced to lessen the symptoms and to prevent the progression of organ damage...
January 13, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29330906/generating-retinoic-acid-gradients-by-local-degradation-during-craniofacial-development-one-cell-s-cue-is-another-cell-s-poison
#20
REVIEW
Aditi Dubey, Rebecca E Rose, Drew R Jones, Jean-Pierre Saint-Jeannet
Retinoic acid (RA) is a vital morphogen for early patterning and organogenesis in the developing embryo. RA is a diffusible, lipophilic molecule that signals via nuclear RA receptor heterodimeric units that regulate gene expression by interacting with RA response elements in promoters of a significant number of genes. For precise RA signaling, a robust gradient of the morphogen is required. The developing embryo contains regions that produce RA, and specific intracellular concentrations of RA are created through local degradation mediated by Cyp26 enzymes...
January 13, 2018: Genesis: the Journal of Genetics and Development
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