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https://www.readbyqxmd.com/read/28549344/metformin-increases-chemo-sensitivity-via-gene-downregulation-encoding-dna-replication-proteins-in-5-fu-resistant-colorectal-cancer-cells
#1
Sung-Hee Kim, Soon-Chan Kim, Ja-Lok Ku
Metformin is most widely prescribed for type 2 diabetes. Recently, evidences have shown that metformin has anticancer effects on pancreatic-, colorectal-, ovarian-, and other cancers. Because metformin has less adverse effects and is inexpensive, it could be a useful chemo-therapeutic agent with anticancer effects. In this study, we demonstrated metformin inhibited by cell proliferation, cell migration ability, clonogenic ability, and cancer stem cell population. Metformin also induced cell cycle arrest in parental-(SNU-C5), and 5-Fu resistant-colorectal cancer cell line (SNU-C5_5FuR)...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549334/molecular-insight-into-specific-14-3-3-modulators-inhibitors-and-stabilisers-of-protein-protein-interactions-of-14-3-3
#2
Alwin M Hartman, Anna K H Hirsch
The 14-3-3 protein family is implicated in several diseases and biological processes. Several recent reviews have summarised knowledge on certain aspects of 14-3-3 proteins, ranging from a historic overview to the structure, function and regulation. This review focuses on the structures and molecular recognition of the modulators by the 14-3-3 proteins, and small modifications of certain modulators are proposed where cocrystal structures have been reported. Our analysis opens up possibilities for the optimisation of the reported compounds...
April 24, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28549297/diabetes-care-provider-perceptions-on-family-challenges-of-pediatric-type-1-diabetes
#3
Maria J Redondo, Chishinga S Callender, Caroline Gonynor, Dora Cantu, Karen W Cullen, Barbara Anderson, Debbe Thompson
Pediatric healthcare providers' perspectives on barriers to diabetes self-management among youth with type 1 diabetes and strategies to overcome them were explored qualitatively. Family conflict about diabetes care was viewed as a common problem, addressable by behavioral interventions to improve communication and promote family teamwork in diabetes management responsibilities.
May 16, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28549264/effectiveness-of-family-group-conferencing-in-preventing-repeat-referrals-to-child-protective-services-and-out-of-home-placements
#4
Dana M Hollinshead, Tyler W Corwin, Erin J Maher, Lisa Merkel-Holguin, Heather Allan, John D Fluke
Rigorous research on the efficacy of family group conferencing is rare. This randomized control trial study used an intent-to-treat approach to examine whether a referral to a family group conference (FGC) was associated with re-referrals, substantiated re-referrals, or out-of-home placements among child welfare-involved families receiving in-home services. We found no significant associations between treatment and control group assignment and the three outcomes for the sample as a whole. However, families with more children had higher odds of a re-referral and a substantiated re-referral, families with more than one parent had higher odds of re-referral, and families where a substance abuse services referral was noted had higher odds of out-of-home placement...
May 23, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28549232/identification-and-characterization-of-transcription-factor-zmereb94-involved-in-starch-synthesis-in-maize
#5
Hui Li, Qianlin Xiao, Chunxia Zhang, Jia Du, Xiao Li, Huanhuan Huang, Bin Wei, Yangping Li, Guowu Yu, Hanmei Liu, Yufeng Hu, Yinghong Liu, Junjie Zhang, Yubi Huang
Maize is an important food crop and industrial material owing to its high starch content. However, the mechanism of starch synthesis is not fully elucidated, especially with regard to the expression and regulation of starch synthetic genes. The APETALA2/Ethylene Responsive Factor (AP2/ERF) family plays a crucial role in various biological processes via regulating gene expression. In this study, the ZmEREB94 gene was identified through co-expression analysis. Bioinformatics analysis confirmed that ZmEREB94 belongs to the AP2/ERF family...
May 4, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28549200/effects-of-cell-death-inducing-dff45-like-effector-b-on-meat-quality-traits-in-berkshire-pigs
#6
G E Yu, S Kwon, J H Hwang, S M An, D H Park, D G Kang, T W Kim, I-S Kim, H C Park, J Ha, C W Kim
Cell death-inducing DFF45-like effector (CIDE) B is a member of the CIDE family of apoptosis-inducing factors. In the present study, we detected a single nucleotide polymorphism (SNP), c.414G>A, which corresponds to the synonymous SNP 414Arg, in CIDE-B in the Berkshire pigs. We also analyzed the relationships between the CIDE-B SNP and various meat quality traits. The SNP was significantly associated with post-mortem pH24h, water-holding capacity (WHC), fat content, protein content, drip loss, post-mortem temperature at 12 h (T12) and 24 h (T24) in a co-dominant model (P < 0...
May 25, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28549186/applying-within-family-differences-approaches-to-enhance-understanding-of-the-complexity-of-intergenerational-relations
#7
J Jill Suitor, Megan Gilligan, Karl Pillemer, Karen L Fingerman, Kyungmin Kim, Merril Silverstein, Vern L Bengtson
Objectives: The role of family relationships in the lives of older adults has received substantial attention in recent decades. Scholars have increasingly looked beyond simple models of family relations to approaches that recognize the complex and sometimes contradictory nature of these ties. One of the most exciting conceptual and methodological developments is the application of within-family differences approaches. In this paper, we focus on the ways in which such within-family approaches can extend the understanding of patterns and consequences of intergenerational ties in adulthood...
May 25, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28549172/orrm5-an-rna-recognition-motif-containing-protein-has-a-unique-effect-on-mitochondrial-rna-editing
#8
Xiaowen Shi, Benoit Castandet, Arnaud Germain, Maureen R Hanson, Stéphane Bentolila
Plants have an RNA editing mechanism that prevents deleterious organelle mutations from resulting in impaired proteins. A typical flowering plant modifies about 40 cytidines in chloroplast transcripts and many hundreds of cytidines in mitochondrial transcripts. The plant editosome, the molecular machinery responsible for this process, contains members of several protein families, including the organelle RNA recognition motif (ORRM)-containing family. ORRM1 and ORRM6 are chloroplast editing factors, while ORRM2, ORRM3, and ORRM4 are mitochondrial editing factors...
May 26, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28549167/parental-involvement-and-adolescent-smoking-in-vocational-setting-in-finland
#9
Hanna Aho, Anna-Maija Koivisto, Eija Paavilainen, Katja Joronen
The present study examined whether parental involvement in their adolescents' lives is associated with adolescent smoking in a vocational school setting when controlling for socioeconomic background and parental smoking. The study was conducted in spring 2013 and involved 34 776 Finnish vocational school students (mean age 17.6 years). The data were analyzed using multinomial regression. The results showed that lower parental involvement was significantly associated with adolescent daily smoking in both genders and with occasional smoking in girls...
May 26, 2017: Health Promotion International
https://www.readbyqxmd.com/read/28549128/atad3-gene-cluster-deletions-cause-cerebellar-dysfunction-associated-with-altered-mitochondrial-dna-and-cholesterol-metabolism
#10
Radha Desai, Ann E Frazier, Romina Durigon, Harshil Patel, Aleck W Jones, Ilaria Dalla Rosa, Nicole J Lake, Alison G Compton, Hayley S Mountford, Elena J Tucker, Alice L R Mitchell, Deborah Jackson, Abdul Sesay, Miriam Di Re, Lambert P van den Heuvel, Derek Burke, David Francis, Sebastian Lunke, George McGillivray, Simone Mandelstam, Fanny Mochel, Boris Keren, Claude Jardel, Anne M Turner, P Ian Andrews, Jan Smeitink, Johannes N Spelbrink, Simon J Heales, Masakazu Kohda, Akira Ohtake, Kei Murayama, Yasushi Okazaki, Anne Lombès, Ian J Holt, David R Thorburn, Antonella Spinazzola
Although mitochondrial disorders are clinically heterogeneous, they frequently involve the central nervous system and are among the most common neurogenetic disorders. Identifying the causal genes has benefited enormously from advances in high-throughput sequencing technologies; however, once the defect is known, researchers face the challenge of deciphering the underlying disease mechanism. Here we characterize large biallelic deletions in the region encoding the ATAD3C, ATAD3B and ATAD3A genes. Although high homology complicates genomic analysis of the ATAD3 defects, they can be identified by targeted analysis of standard single nucleotide polymorphism array and whole exome sequencing data...
June 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28549094/a-novel-dominant-mutation-in-sag-the-arrestin-1-gene-is-a-common-cause-of-retinitis-pigmentosa-in-hispanic-families-in-the-southwestern-united-states
#11
Lori S Sullivan, Sara J Bowne, Daniel C Koboldt, Elizabeth L Cadena, John R Heckenlively, Kari E Branham, Dianna H Wheaton, Kaylie D Jones, Richard S Ruiz, Mark E Pennesi, Paul Yang, David Davis-Boozer, Hope Northrup, Vsevold V Gurevich, Rui Chen, Mingchu Xu, Yumei Li, David G Birch, Stephen P Daiger
Purpose: To identify the causes of autosomal dominant retinitis pigmentosa (adRP) in a cohort of families without mutations in known adRP genes and consequently to characterize a novel dominant-acting missense mutation in SAG. Methods: Patients underwent ophthalmologic testing and were screened for mutations using targeted-capture and whole-exome next-generation sequencing. Confirmation and additional screening were done by Sanger sequencing. Haplotypes segregating with the mutation were determined using short tandem repeat and single nucleotide variant polymorphisms...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28549074/cwdprnp-a-tool-for-cervid-prion-sequence-analysis-in-program-r
#12
William L Miller, W David Walter
Summary: Chronic wasting disease is a fatal neurological, disease caused by an infectious prion protein, which affects economically and ecologically important members of the family Cervidae. Single nucleotide polymorphisms within the prion protein gene have been linked to differential susceptibility to the disease in many species. Wildlife managers are seeking to determine the frequencies of disease-associated alleles and genotypes and delineate spatial genetic patterns. The CWDPRNP package, implemented in program R, provides a unified framework for analyzing prion protein gene variability and spatial structure...
May 26, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28549064/chemomechanical-regulation-of-myosin-ic-cross-bridges-deducing-the-elastic-properties-of-an-ensemble-from-single-molecule-mechanisms
#13
Florian Berger, A J Hudspeth
Myosin Ic is thought to be the principal constituent of the motor that adjusts mechanical responsiveness during adaptation to prolonged stimuli by hair cells, the sensory receptors of the inner ear. In this context myosin molecules operate neither as filaments, as occurs in muscles, nor as single or few molecules, as characterizes intracellular transport. Instead, myosin Ic molecules occur in a complex cluster in which they may exhibit cooperative properties. To better understand the motor's remarkable function, we introduce a theoretical description of myosin Ic's chemomechanical cycle based on experimental data from recent single-molecule studies...
May 26, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28548960/severe-hypertriglyceridemia-due-to-two-novel-loss-of-function-lipoprotein-lipase-gene-mutations-c310r-e396v-in-a-chinese-family-associated-with-recurrent-acute-pancreatitis
#14
Yu Lun, Xiaofang Sun, Ping Wang, Jingwei Chi, Xu Hou, Yangang Wang
Lipoprotein lipase (LPL) is widely expressed in skeletal muscles, cardiac muscles as well as adipose tissue and involved in the catabolism of triglyceride. Herein we have systematically characterized two novel loss-of-function mutations in LPL from a Chinese family in which afflicted members were manifested by severe hypertriglyceridemia and recurrent pancreatitis. DNA sequencing revealed that the proband was a heterozygote carrying a novel c.T928C (p.C310R) mutation in exon 6 of the LPL gene. Another member of the family was detected to be a compound heterozygote who along with the c...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548934/ikbke-regulates-cell-proliferation-and-epithelial-mesenchymal-transition-of-human-malignant-glioma-via-the-hippo-pathway
#15
Jie Lu, Yi Yang, Gaochao Guo, Yang Liu, Zhimeng Zhang, Shicai Dong, Yang Nan, Zhenyi Zhao, Yue Zhong, Qiang Huang
IKBKE is increased in several types of cancers and is associated with tumour malignancy. In this study, we confirmed that IKBKE promoted glioma proliferation, migration and invasion in vitro. Then, we further discovered that IKBKE increased Yes-associated protein 1 (YAP1) and TEA domain family member 2 (TEAD2), two important Hippo pathway downstream factors, to induce an epithelial-mesenchymal transition (EMT), thus contributing to tumour invasion and metastasis. We also testified that YAP1 and TEAD2 promoted epithelial-mesenchymal transition (EMT) in malignant glioma...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548917/family-experiences-of-the-transition-to-palliative-care-in-aged-residential-care-arc-a-qualitative-study
#16
Rosemary Frey, Susan Foster, Michal Boyd, Jackie Robinson, Merryn Gott
PURPOSE: To address a gap in the literature by exploring bereaved families' perceptions of the transition to palliative care for their relative in long-term care. METHODS: In-depth interviews were conducted with a convenience sample of twenty-six family members who were most involved in the care of residents who had died within the last 12 months. Interviews explored care, perceptions of staff palliative care knowledge, communication with staff, care planning and decision-making...
May 2, 2017: International Journal of Palliative Nursing
https://www.readbyqxmd.com/read/28548905/brca-associated-cancers-role-of-imaging-in-screening-diagnosis-and-management
#17
Michelle V Lee, Venkata S Katabathina, Michyla L Bowerson, Marina I Mityul, Anup S Shetty, Khaled M Elsayes, Aparna Balachandran, Priya R Bhosale, Ann E McCullough, Christine O Menias
Harmful mutations of the BRCA tumor suppressor genes result in a greater lifetime risk for malignancy-breast and ovarian cancers in particular. An increased risk for male breast, fallopian tube, primary peritoneal, pancreatic, prostate, and colon cancers also has been reported. The BRCA gene is inherited in an autosomal dominant pattern and tends to be highly penetrant; thus, there is an increased incidence of these cancers in affected families. Compared with sporadic tumors, BRCA-associated malignancies have unique manifestations, clinical features, and pathologic profiles...
May 26, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28548904/utilization-of-a-patient-centered-asthma-passport-tool-in-a-subspecialty-clinic
#18
Jonathan Greenberg, Olga Prushinskaya, Joshua D Harris, Gillian Guidetti-Myers, Jacqueline Steiding, Gregory S Sawicki, Jonathan M Gaffin
INTRODUCTION: Despite available and effective tools for asthma self-assessment (Asthma Control Test, ACT) and self-management (Asthma Action Plan, AAP), they are underutilized in outpatient specialty clinics. We evaluated the impact of a patient-centered checklist, the Asthma Passport, on improving ACT and AAP utilization in clinic. METHODS: This was a randomized, interventional quality-improvement project in which the Asthma Passport was distributed to 120 pediatric asthma patients over the duration of 16 weeks...
May 26, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28548882/finding-conducting-and-nurturing-science-a-virologist-s-memoir
#19
Anna Marie Ann Skalka Skalka
My laboratory investigations have been driven by an abiding interest in understanding the consequences of genetic rearrangement in evolution and disease, and in using viruses to elucidate fundamental mechanisms in biology. Starting with bacteriophages and moving to the retroviruses, my use of the tools of genetics, molecular biology, biochemistry, and biophysics has spanned more than half a century-from the time when DNA structure was just discovered to the present day of big data and epigenetics. Both riding and contributing to the successive waves of technology, my laboratory has elucidated fundamental mechanisms in DNA replication, repair, and recombination...
May 26, 2017: Annual Review of Virology
https://www.readbyqxmd.com/read/28548879/ras-and-rho-gtpase-regulation-of-pol-ii-transcription-a-shortcut-model-revisited
#20
Zhi-Liang Zheng
Transcriptional control is critical in relaying signals mediated by Ras and Rho family small GTPases to effect gene expression. In the classical model, signaling components such as MAP kinase target sequence-specific transcription factors, which in turn recruit RNA polymerase (Pol) II holoenzyme to the promoter and activate transcription. Findings in recent years have led to the proposal of a shortcut model in which the mediator components of the Pol II holoenzyme are regulated by signaling pathways. A very recent finding shows that an evolutionarily conserved Rho GTPase signaling pathway can directly modulate the Pol II C-terminal domain (CTD) phosphorylation by inhibiting the CTD phosphatase in yeast and Arabidopsis...
May 26, 2017: Transcription
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