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https://www.readbyqxmd.com/read/28933415/integrative-systems-biology-investigation-of-fabry-disease
#1
Marco Fernandes, Holger Husi
Fabry disease (FD) is a rare X-linked recessive genetic disorder caused by a deficient activity of the lysosomal enzyme alpha-galactosidase A (GLA) and is characterised by intra-lysosomal accumulation of globotriaosylceramide (Gb3). We performed a meta-analysis of peer-reviewed publications including high-throughput omics technologies including naïve patients and those undergoing enzyme replacement therapy (ERT). This study describes FD on a systems level using a systems biology approach, in which molecular data sourced from multi-omics studies is extracted from the literature and integrated as a whole in order to reveal the biochemical processes and molecular pathways potentially affected by the dysregulation of differentially expressed molecules...
November 15, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28933365/milk-s-role-as-an-epigenetic-regulator-in-health-and-disease
#2
REVIEW
Bodo C Melnik, Gerd Schmitz
It is the intention of this review to characterize milk's role as an epigenetic regulator in health and disease. Based on translational research, we identify milk as a major epigenetic modulator of gene expression of the milk recipient. Milk is presented as an epigenetic "doping system" of mammalian development. Milk exosome-derived micro-ribonucleic acids (miRNAs) that target DNA methyltransferases are implicated to play the key role in the upregulation of developmental genes such as FTO, INS, and IGF1. In contrast to miRNA-deficient infant formula, breastfeeding via physiological miRNA transfer provides the appropriate signals for adequate epigenetic programming of the newborn infant...
March 15, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/28933364/targeting-h19-an-imprinted-long-non-coding-rna-in-hepatic-functions-and-liver-diseases
#3
REVIEW
Chad Pope, Shashank Mishra, Joshua Russell, Qingqing Zhou, Xiao-Bo Zhong
H19 is a long non-coding RNA regulated by genomic imprinting through methylation at the locus between H19 and IGF2. H19 is important in normal liver development, controlling proliferation and impacting genes involved in an important network controlling fetal development. H19 also plays a major role in disease progression, particularly in hepatocellular carcinoma. H19 participates in the epigenetic regulation of many processes impacting diseases, such as activating the miR-200 pathway by histone acetylation to inhibit the epithelial-mesenchymal transition to suppress tumor metastasis...
March 8, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/28933293/micrornas-in-atrial-fibrillation
#4
Alexandros Briasoulis, Shikha Sharma, Tesfaye Telila, Sagar Mallikethi-Reddy, Nikolaos Papageorgiou, Evangelos Oikonomou, Dimitris Tousoulis
microRNAs (miRNAs) are small non-coding RNAs, involved in regulation of post-transcriptional gene expression. They exert key role not only in physiology and normal development of the cardiovascular system but also in cardiovascular disease development and progression. Recent animal and human studies of tissue specific miRNAs have suggested a role in structural and electrical remodeling in atrial fibrillation (AF). Their emerging role as biomarkers and potential therapeutic targets in patients with AF is discussed in this review...
September 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28933291/pharmacotranscriptomic-biomarkers-in-glucocorticoid-treatment-of-pediatric-inflammatory-bowel-disease
#5
Marianna Lucafò, Biljana Stankovic, Nikola Kotur, Alessia Di Silvestre, Stefano Martelossi, Alessandro Ventura, Branka Zukic, Sonya Pavlovic, Giuliana Decorti
Pharmacotranscriptomics aims to reach more accurate drug dosing based on interindividual transcriptome variations. Here, we provide an overview of RNA biomarkers that could predict the response to glucocorticoids (GCs), considered the standard for treatment of inflammatory bowel diseases (IBD), both in adult and pediatric patients. Although new biological agents are very effective in the IBD treatment, GCs are still widely used for induction of remission in IBD patients with moderate to severe disease. It is important to identify patients that are poor responders to GCs therapy, because suboptimal response is frequent and associated with various side effects...
September 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28932213/petri-net-based-model-of-helicobacter-pylori-mediated-disruption-of-tight-junction-proteins-in-stomach-lining-during-gastric-carcinoma
#6
Anam Naz, Ayesha Obaid, Faryal M Awan, Aqsa Ikram, Jamil Ahmad, Amjad Ali
Tight junctions help prevent the passage of digestive enzymes and microorganisms through the space between adjacent epithelial cells lining. However, Helicobacter pylori encoded virulence factors negatively regulate these tight junctions and contribute to dysfunction of gastric mucosa. Here, we have predicted the regulation of important tight junction proteins, such as Zonula occludens-1, Claudin-2 and Connexin32 in the presence of pathogenic proteins. Molecular events such as post translational modifications and crosstalk between phosphorylation, O-glycosylation, palmitoylation and methylation are explored which may compromise the integrity of these tight junction proteins...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28932208/invertebrate-gonadotropin-releasing-hormone-related-peptides-and-their-receptors-an-update
#7
REVIEW
Tsubasa Sakai, Akira Shiraishi, Tsuyoshi Kawada, Shin Matsubara, Masato Aoyama, Honoo Satake
Gonadotropin-releasing hormones (GnRHs) play pivotal roles in reproductive functions via the hypothalamus, pituitary, and gonad axis, namely, HPG axis in vertebrates. GnRHs and their receptors (GnRHRs) are likely to be conserved in invertebrate deuterostomes and lophotrochozoans. All vertebrate and urochordate GnRHs are composed of 10 amino acids, whereas protostome, echinoderm, and amphioxus GnRH-like peptides are 11- or 12-residue peptide containing two amino acids after an N-terminal pyro-Glu. In urochordates, Halocynthia roretzi GnRH gene encodes two GnRH peptide sequences, whereas two GnRH genes encode three different GnRH peptides in Ciona intestinalis...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28932199/bacillus-a-biological-tool-for-crop-improvement-through-bio-molecular-changes-in-adverse-environments
#8
REVIEW
Ramalingam Radhakrishnan, Abeer Hashem, Elsayed F Abd Allah
Crop productivity is affected by environmental and genetic factors. Microbes that are beneficial to plants are used to enhance the crop yield and are alternatives to chemical fertilizers and pesticides. Pseudomonas and Bacillus species are the predominant plant growth-promoting bacteria. The spore-forming ability of Bacillus is distinguished from that of Pseudomonas. Members of this genus also survive for a long time under unfavorable environmental conditions. Bacillus spp. secrete several metabolites that trigger plant growth and prevent pathogen infection...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28931564/towards-precision-medicine-for-hypertension-a-review-of-genomic-epigenomic-and-microbiomic-effects-on-blood-pressure-in-experimental-rat-models-and-humans
#9
REVIEW
Sandosh Padmanabhan, Bina Joe
Compelling evidence for the inherited nature of essential hypertension has led to extensive research in rats and humans. Rats have served as the primary model for research on the genetics of hypertension resulting in identification of genomic regions that are causally associated with hypertension. In more recent times, genome-wide studies in humans have also begun to improve our understanding of the inheritance of polygenic forms of hypertension. Based on the chronological progression of research into the genetics of hypertension as the "structural backbone," this review catalogs and discusses the rat and human genetic elements mapped and implicated in blood pressure regulation...
October 1, 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28931466/1-alpha-25-dihydroxyvitamin-d3-up-regulates-the-expression-of-2-types-of-human-intestinal-alkaline-phosphatase-alternative-splicing-variants-in-caco-2-cells-and-may-be-an-important-regulator-of-their-expression-in-gut-homeostasis
#10
Seiko Noda, Asako Yamada, Kanae Nakaoka, Masae Goseki-Sone
Vitamin D insufficiency is associated with a greater risk of osteoporosis and also influences skeletal muscle functions, differentiation, and development. The principal function of vitamin D in calcium homeostasis is to increase the absorption of calcium from the intestine, and the level of alkaline phosphatase (ALP) activity, a differentiation marker for intestinal epithelial cells, is regulated by vitamin D. Intestinal-type ALP is expressed at a high concentration in the brush border membrane of intestinal epithelial cells, and is known to be affected by several kinds of nutrients...
August 4, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28930539/transcriptional-regulation-of-p57-kip2-expression-during-development-differentiation-and-disease
#11
Marianna N Rossi, Oriella Andresini, Francesca Matteini, Rossella Maione
p57(kip2) is the most complex member of the CIP/KIP family of cyclin-dependent kinase inhibitors and plays a fundamental role in regulating cell cycle and differentiation during mammalian development. Consistently with a key role for p57(kip2) in the spatial and temporal control of cell proliferation, its expression is fine-tuned by multiple regulatory mechanisms, resulting in a tissue-, developmental phase- and cell type-specific pattern. Moreover, p57(kip2) is an imprinted gene, further supporting the importance of its proper expression dosage...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930521/multifactorial-role-of-long-non-coding-rnas-lncrnas-in-hematopoiesis
#12
Muhammad Babar Khawar, Rabia Mehmood, Muddasir Hassan Abbasi, Nadeem Sheikh
  Human genome project unveiled that only 1.5.-2.0.% of the genome is protein coding. ENCODE and related studies showed that most part of the genome transcribed into RNAs, and most of them do not code for a functional proteins, hence the name non-coding RNAs (ncRNAs). ncRNAs are small ncRNAs (less than 200 nucleotides) and long ncRNAs (longer than 200 nucleotides up to 10 kb). They act as a direct link between highly ordered chromosome structures, gene expression and serve as a bridge between genome and chromatin modification complexes as guides, scaffolds, and decoys...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28930517/mirna-as-viral-transcription-tuners-in-hpv-mediated-cervical-carcinogenesis
#13
Gauri Shishodia, Gaurav Verma, Bhudev Chandra Das, Alok Chandra Bharti
High-risk human papillomaviruses (HPVs) are oncogenic DNA viruses that promote carcinogenic signaling by their oncoproteins mainly E6 and E7. A well-defined promoter regulates expression and enhancer region on HPV genome containing number of cis elements that essentially require a set of cognate host transcription factors to regulate viral promoter gene activity. Expression of these host factors is tightly regulated at multiple levels such as transcriptional, post-transcriptional and post-translational level...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28930145/to-wnt-or-lose-the-missing-non-coding-linc-in-colorectal-cancer
#14
REVIEW
Peng Shen, Martin Pichler, Meng Chen, George A Calin, Hui Ling
Colorectal cancer (CRC) is the third most frequent cancer and one of the leading causes for cancer-related mortality. Aberrant activation of the Wnt signaling is an essential initiating factor in colon carcinogenesis, and a driving force of CRC progression. Recently, long non-coding RNAs (lncRNAs) have emerged as significant players in CRC pathogenesis through diversified mechanisms. Although both Wnt signaling and lncRNAs represent interesting research areas for CRC, an effort of directly connecting these two areas is lacking...
September 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28929190/mining-the-complex-family-of-protein-tyrosine-phosphatases-for-checkpoint-regulators-in-immunity
#15
Claudia Penafuerte, Luis Alberto Perez-Quintero, Valerie Vinette, Teri Hatzihristidis, Michel L Tremblay
The family of protein tyrosine phosphatases (PTPs) includes 107 genes in humans that are diverse in their structures and expression profiles. The majority are present in immune cells and play various roles in either inhibiting or promoting the duration and amplitude of signaling cascades. Several PTPs, including TC-PTP (PTPN2) and SHP-1 (PTPN6), have been recognized as being crucial for maintaining proper immune response and self-tolerance, and have gained recognition as true immune system checkpoint modulators...
September 20, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28928908/epithelial-plasticity-and-cancer-stem-cells-major-mechanisms-of-cancer-pathogenesis-and-therapy-resistance
#16
REVIEW
Minal Garg
Epithelial-mesenchymal transition (EMT) has been linked with aggressive tumor biology and therapy resistance. It plays central role not only in the generation of cancer stem cells (CSCs) but also direct them across the multiple organ systems to promote tumor recurrence and metastasis. CSCs are reported to express stem cell genes as well as specific cell surface markers and allow aberrant differentiation of progenies. It facilitates cancer cells to leave primary tumor, acquire migratory characteristics, grow into new environment and develop radio-chemo-resistance...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28928715/intrinsic-and-regulated-gonadotropin-releasing-hormone-receptor-gene-transcription-in-mammalian-pituitary-gonadotrophs
#17
REVIEW
Marija M Janjic, Stanko S Stojilkovic, Ivana Bjelobaba
The hypothalamic decapeptide gonadotropin-releasing hormone (GnRH), acting via its receptors (GnRHRs) expressed in pituitary gonadotrophs, represents a critical molecule in control of reproductive functions in all vertebrate species. GnRH-activated receptors regulate synthesis of gonadotropins in a frequency-dependent manner. The number of GnRHRs on the plasma membrane determines the responsiveness of gonadotrophs to GnRH and varies in relation to age, sex, and physiological status. This is achieved by a complex control that operates at transcriptional, translational, and posttranslational levels...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28928124/emerging-mechanisms-of-long-noncoding-rna-function-during-normal-and-malignant-hematopoiesis
#18
Juan R Alvarez-Dominguez, Harvey F Lodish
Long noncoding RNAs (lncRNAs) are increasingly recognized as vital components of gene programs controlling cell differentiation and function. Central to their functions is an ability to act as scaffolds or as decoys that recruit or sequester effector proteins from their DNA, RNA, or protein targets. lncRNA-modulated effectors include regulators of transcription, chromatin organization, RNA processing, and translation, such that lncRNAs can influence gene expression at multiple levels. Here we review the current understanding of how lncRNAs help coordinate gene expression to modulate cell fate in the hematopoietic system...
September 19, 2017: Blood
https://www.readbyqxmd.com/read/28927527/dna-mismatch-repair-and-its-many-roles-in-eukaryotic-cells
#19
REVIEW
Dekang Liu, Guido Keijzers, Lene Juel Rasmussen
DNA mismatch repair (MMR) is an important DNA repair pathway that plays critical roles in DNA replication fidelity, mutation avoidance and genome stability, all of which contribute significantly to the viability of cells and organisms. MMR is widely-used as a diagnostic biomarker for human cancers in the clinic, and as a biomarker of cancer susceptibility in animal model systems. Prokaryotic MMR is well-characterized at the molecular and mechanistic level; however, MMR is considerably more complex in eukaryotic cells than in prokaryotic cells, and in recent years, it has become evident that MMR plays novel roles in eukaryotic cells, several of which are not yet well-defined or understood...
July 2017: Mutation Research
https://www.readbyqxmd.com/read/28927253/comparative-aspects-of-microrna-expression-in-canine-and-human-cancer
#20
REVIEW
Kabiru Sahabi, Gayathri Thevi Selvarajah, Rasedee Abdullah, Cheah Yoke Kqueen, Tan Geok Chin
MicroRNAs (miRNAs) are important players in all biological pathways in multicellular organisms. Over 1,400 human miRNAs have been identified, and many are conserved among vertebrates and invertebrates. MicroRNA regulation is the most abundant mode of post-transcriptional gene regulation. MicroRNAs that are involved in the initiation and progression of cancers are termed oncomiRs, several of which have been identified in canine and human cancer. Similarly, several miRNAs have been reported to be down-regulated in cancers of the two species...
September 20, 2017: Journal of Veterinary Science
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