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Family functionality

Anastasia K Atabekova, Anna V Pankratenko, Svetlana S Makarova, Ekaterina A Lazareva, Robert A Owens, Andrey G Solovyev, Sergey Y Morozov
Human B-cell receptor-associated protein BAP31 (HsBAP31) is the endoplasmic reticulum-resident protein involved in protein sorting and transport as well as pro-apoptotic signaling. Plant orthologs of HsBAP31 termed 'plant BAP-like proteins' (PBL proteins) have thus far remained unstudied. Recently, the PBL protein from Nicotiana tabacum (NtPBL) was identified as an interactor of Nt-4/1, a plant protein known to interact with plant virus movement proteins and affect the long-distance transport of potato spindle tuber viroid (PSTVd) via the phloem...
October 19, 2016: Biochimie
Yun Bai, Jia Wang, Jing Han, Xiao-Li Xie, Cheng-Guang Ji, Jie Yin, Lei Chen, Cun-Kai Wang, Xiao-Yu Jiang, Wei Qi, Hui-Qing Jiang
BACKGROUND AND AIMS: BCL2L10 is an apoptosis-related member of the BCL-2 protein family. The role of BCL2L10 in the pathogenesis of hepatocellular carcinoma (HCC) is poorly understood. This study was aimed to investigate the function and underlying mechanisms of BCL2L10 in HCC. METHODS: BCL2L10 expression in human HCC and corresponding adjacent normal tissues was investigated by quantitative real-time PCR and western blot. The biological functions of BCL2L10 in HCC cell lines were determined by cell viability, colony formation, cell apoptosis, cell cycle and cell metastasis assays, and in vivo by tumorigenicity and lung metastasis assays in nude mice...
October 22, 2016: Molecular Carcinogenesis
Anita Kozyrskyj, Nicole Letourneau, Liane Kang, Mahin Salmani
BACKGROUND: Affecting 19% of women, postpartum depression is a major concern to the immediate health of mothers and infants. In the longterm, it has been linked to the development of early-onset asthma at school entry, but only if the depression persists beyond the postnatal period. No studies have tested whether associations with postpartum depressive symptoms and early-onset asthma phenotypes persist into later school age. OBJECTIVE: To determine associations between maternal postpartum depressive symptoms and childhood asthma between the ages of 5-10 by using a nested longitudinal design...
October 22, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
Hisateru Komatsu, Tomohiro Iguchi, Takaaki Masuda, Hidenari Hirata, Masami Ueda, Shinya Kidogami, Yushi Ogawa, Kuniaki Sato, Qingjiang Hu, Sho Nambara, Tomoko Saito, Shotaro Sakimura, Ryutaro Uchi, Shuhei Ito, Hidetoshi Eguchi, Keishi Sugimachi, Hidetoshi Eguchi, Yuichiro Doki, Masaki Mori, Koshi Mimori
BACKGROUND: The RND1 gene encodes a protein that belongs to the Rho GTPase family, which regulates various cellular functions. Depletion of RND1 expression activates the oncogenic Ras signaling pathway. In this study, we aimed to clarify the clinical significance of RND1 expression in predicting prognosis and to investigate its biological role in human hepatocellular carcinoma (HCC). METHODS: The association between RND1 expression and clinical outcomes in patients with HCC was analyzed in three independent cohorts: 120 cases resected in our hospital; 370 cases in The Cancer Genome Atlas (TCGA); and 242 cases in GSE14520...
October 21, 2016: Annals of Surgical Oncology
Mara A Schonberg, Vicky W Li, A Heather Eliassen, Roger B Davis, Andrea Z LaCroix, Ellen P McCarthy, Bernard A Rosner, Rowan T Chlebowski, Susan E Hankinson, Edward R Marcantonio, Long H Ngo
PURPOSE: Accurate risk assessment is necessary for decision-making around breast cancer prevention. We aimed to develop a breast cancer prediction model for postmenopausal women that would take into account their individualized competing risk of non-breast cancer death. METHODS: We included 73,066 women who completed the 2004 Nurses' Health Study (NHS) questionnaire (all ≥57 years) and followed participants until May 2014. We considered 17 breast cancer risk factors (health behaviors, demographics, family history, reproductive factors) and 7 risk factors for non-breast cancer death (comorbidities, functional dependency) and mammography use...
October 21, 2016: Breast Cancer Research and Treatment
Frances Marcus Lewis, Kristin A Griffith, Amy Walker, Robin M Lally, Elizabeth T Loggers, Ellen H Zahlis, Mary Ellen Shands, Zainab Alzawad, Hebah Al Mulla, Nai-Ching Chi
PURPOSE: The purposes of the study were to (1) test the short-term impact of a telephone-delivered cancer parenting education program, the Enhancing Connections-Telephone (EC-T) Program, on maternal anxiety, depressed mood, parenting competencies, and child behavioral-emotional adjustment and (2) compare those outcomes with outcomes achieved from an in-person delivery of the same program (EC). METHODS: Thirty-two mothers comprised the sample for the within-group design and 77 mothers for the between-group design...
October 21, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
Hye-Yeon Seok, Dong-Hyuk Woo, Linh Vu Nguyen, Huong T Tran, Vaishali N Tarte, Syed Muhammad Muntazir Mehdi, Sun-Young Lee, Yong-Hwan Moon
AtNAP , an Arabidopsis NAC transcription factor family gene, functions as a negative regulator via transcriptional repression of AREB1 in salt stress response. AtNAP is an NAC family transcription factor in Arabidopsis and is known to be a positive regulator of senescence. However, its exact function and underlying molecular mechanism in stress responses are not well known. Here, we investigated functional roles of AtNAP in salt stress response. AtNAP expression significantly increased at the seedling stage, with higher expression in both shoots and roots under NaCl, mannitol, and ABA treatments...
October 21, 2016: Planta
Joe Wark, Jo-Ann Vis
Research shows that child sexual abuse (CSA) can have detrimental effects on adult functioning. While much research regarding the effects of CSA on parenting of mothers is available, there is a dearth of information on how CSA impacts fatherhood. This literature review finds that the parenting experiences of male survivors are characterized by self-perceptions as adequate parents, deficient parenting as measured by standardized instruments, conceptualization of parenting as an intergenerational legacy and potential healing experience, fear of becoming an abuser, and physical and emotional distance from their children...
October 21, 2016: Trauma, Violence & Abuse
Carolina Anazco, Alberto J Lopez-Jimenez, Mohamed Rafi, Lorenzo Vega-Montoto, Ming-Zhi Zhang, Billy G Hudson, Roberto M Vanacore
The 7S dodecamer is recognized as an important structural crosslinking domain of collagen IV networks that provide mechanical stability to basement membranes, a specialized form of extracellular matrix essential for the development and maintenance of tissue architecture. Although the 7S dodecamer is stabilized by covalent crosslinking, the molecular mechanism by which such crosslinks are formed has not been revealed. Here we aimed to identify the enzyme(s) that crosslinks the 7S dodecamer and characterize its expression in the kidney glomerulus...
October 21, 2016: Journal of Biological Chemistry
Peter G K Clark, Darren J Dixon, Paul E Brennan
The bromodomain family of proteins are 'readers' of acetylated lysines of histones, a key mark in the epigenetic code of gene regulation. Without high quality chemical probes with which to study these proteins, their biological function, and potential use in therapeutics, remains unknown. Recently, a number of chemical ligands were reported for the previously unprobed bromodomain proteins BRD7 and BRD9. Herein the development and characterisation of probes against these proteins is detailed, including the preliminary biological activity of BRD7 and BRD9 assessed using these probes...
March 2016: Drug Discovery Today. Technologies
Wylie S Palmer
The entry of small molecule inhibitors of the bromodomain and extra C-terminal domain (BET) family of bromodomains into the clinic has demonstrated the therapeutic potential for this class of epigenetic acetyl-lysine reader proteins. Within the past two years, the development of potent inhibitors for the bromodomain and PHD finger containing protein (BRPF) family and the tripartite motif containing protein 24 (TRIM24) have been reported and are the subject of this review. Both proteins contain other domains with diverse functions and can also be part of a complex of proteins which have implications in epigenetic signaling and disease...
March 2016: Drug Discovery Today. Technologies
Jamel Meslamani, Steven G Smith, Roberto Sanchez, Ming-Ming Zhou
Bromodomains are conserved structural modules responsible for recognizing acetylated-lysine residues on histone tails and other transcription-associated proteins, such as transcription factors and co-factors. Owing to their important functions in the regulation of ordered gene transcription in chromatin, bromodomains of the BET family proteins have recently been shown as druggable targets for a wide array of human diseases, including cancer and inflammation. Here we review the structural and functional features of the bromodomains and their small-molecule inhibitors...
March 2016: Drug Discovery Today. Technologies
Aaron J Stonestrom, Sarah C Hsu, Michael T Werner, Gerd A Blobel
Pharmacologic inhibitors of the bromodomain and extra-terminal motif (BET) protein family are in clinical trials for the treatment of hematologic malignancies, yet the functions of individual BET proteins remain largely uncharacterized. We review the molecular roles of BETs in the context of erythropoiesis. Studies in this lineage have provided valuable insights into their mechanisms of action, and helped define the individual and overlapping functions of BET protein family members BRD2, BRD3, and BRD4. These studies have important ramifications for our understanding of the molecular and physiologic roles of BET proteins, and provide a framework for elucidating some of the beneficial and adverse effects of pharmacologic inhibitors...
March 2016: Drug Discovery Today. Technologies
Cheng-Ming Chiang
BRD4 is an epigenetic regulator and transcription cofactor whose phosphorylation by CK2 and dephosphorylation by PP2A modulates its function in chromatin targeting, factor recruitment, and cancer progression. While the bromodomains of BET family proteins, including BRD4, BRD2, BRD3 and BRDT, have been the primary targets of small compounds such as JQ1, I-BET and MS417 that show promising anticancer effects against some hematopoietic cancer and solid tumors, drug resistance upon prolonged treatment necessitates a better understanding of alternative pathways underlying not only the resistance but also persistent BET protein dependence for identifying new targets and effective combination therapy strategies...
March 2016: Drug Discovery Today. Technologies
Hassol Lim, Young-Mi Park, Jong-Keuk Lee, Hyun Taek Lim
OBJECTIVE: To present an efficient and successful application of a single-exome sequencing study in a family clinically diagnosed with X-linked retinitis pigmentosa. DESIGN: Exome sequencing study based on clinical examination data. PARTICIPANTS: An 8-year-old proband and his family. METHODS: The proband and his family members underwent comprehensive ophthalmologic examinations. Exome sequencing was undertaken in the proband using Agilent SureSelect Human All Exon Kit and Illumina HiSeq 2000 platform...
October 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
Allan M Showalter, Brian D Keppler, Xiao Liu, Jens Lichtenberg, Lonnie R Welch
BACKGROUND: Hydroxyproline-rich glycoproteins (HRGPs) constitute a plant cell wall protein superfamily that functions in diverse aspects of growth and development. This superfamily contains three members: the highly glycosylated arabinogalactan-proteins (AGPs), the moderately glycosylated extensins (EXTs), and the lightly glycosylated proline-rich proteins (PRPs). Chimeric and hybrid HRGPs, however, also exist. A bioinformatics approach is employed here to identify and classify AGPs, EXTs, PRPs, chimeric HRGPs, and hybrid HRGPs from the proteins predicted by the completed genome sequence of poplar (Populus trichocarpa)...
October 21, 2016: BMC Plant Biology
Michał Książkiewicz, Sandra Rychel, Matthew N Nelson, Katarzyna Wyrwa, Barbara Naganowska, Bogdan Wolko
BACKGROUND: The Arabidopsis FLOWERING LOCUS T (FT) gene, a member of the phosphatidylethanolamine binding protein (PEBP) family, is a major controller of flowering in response to photoperiod, vernalization and light quality. In legumes, FT evolved into three, functionally diversified clades, FTa, FTb and FTc. A milestone achievement in narrow-leafed lupin (Lupinus angustifolius L.) domestication was the loss of vernalization responsiveness at the Ku locus. Recently, one of two existing L...
October 21, 2016: BMC Genomics
Fufa Qu, Zhiming Xiang, Yang Zhang, Jun Li, Shu Xiao, Yuehuan Zhang, Fan Mao, Haitao Ma, Ziniu Yu
p38 mitogen-activated protein kinases (MAPKs) are conserved serine/threonine-specific kinases that are activated by various extracellular stimuli and play crucial regulatory roles in immunity, development and homeostasis. However, the function of p38s in mollusks, the second most diverse group of animals, is still poorly understood. In this study, a novel molluscan p38 (designated Chp38) was cloned and characterized from the Hong Kong oyster Crassostrea hongkongensis. Its full-length cDNA encoded a putative protein of 353 amino acids with a calculated molecular weight of approximately 40...
October 18, 2016: Molecular Immunology
Aindrila Chatterjee, Janine Seyfferth, Jacopo Lucci, Ralf Gilsbach, Sebastian Preissl, Lena Böttinger, Christoph U Mårtensson, Amol Panhale, Thomas Stehle, Oliver Kretz, Abdullah H Sahyoun, Sergiy Avilov, Stefan Eimer, Lutz Hein, Nikolaus Pfanner, Thomas Becker, Asifa Akhtar
A functional crosstalk between epigenetic regulators and metabolic control could provide a mechanism to adapt cellular responses to environmental cues. We report that the well-known nuclear MYST family acetyl transferase MOF and a subset of its non-specific lethal complex partners reside in mitochondria. MOF regulates oxidative phosphorylation by controlling expression of respiratory genes from both nuclear and mtDNA in aerobically respiring cells. MOF binds mtDNA, and this binding is dependent on KANSL3. The mitochondrial pool of MOF, but not a catalytically deficient mutant, rescues respiratory and mtDNA transcriptional defects triggered by the absence of MOF...
October 20, 2016: Cell
Julia Elisabeth von Oettingen, Tesha Dawn Brathwaite, Christopher Carpenter, Ric Bonnell, Xuemei He, Lewis E Braverman, Elizabeth N Pearce, Philippe Larco, Nancy Charles Larco, Eddy Jean-Baptiste, Rosalind S Brown
CONTEXT: Iodine deficiency is the leading cause of preventable neurodevelopmental delay in children worldwide. It is a possible public health concern in Haiti. OBJECTIVE: To perform a population iodine survey in Haitian young children, and its influence by environmental factors. DESIGN: Cross-sectional study, March-June 2015. SETTING: Community churches in 3 geographical regions in Haiti. PARTICIPANTS: 299 healthy Haitian children aged 9 months to 6 years; 100 enrolled in coastal (C) and mountainous (M) regions, and 99 in an urban region (U)...
October 21, 2016: Journal of Clinical Endocrinology and Metabolism
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