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https://www.readbyqxmd.com/read/29458146/enhanced-anticancer-effects-of-scutellaria-barbata-d-don-in-combination-with-traditional-chinese-medicine-components-on-non-small-cell-lung-cancer-cells
#1
Qian Wang, Narayan Acharya, Zhongwei Liu, Xianmei Zhou, Meghan Cromie, Jia Zhu, Weimin Gao
ETHNOPHARMACOLOGICAL RELEVANCE: Experience-based herbal medicine as a complementary to modern western medicine has triggered an array of studies in quest of novel anticancer drugs. Scutellaria barbata D. Don (SB) is commonly used to treat different types of cancers, but its molecular mechanism of action is not clearly understood. In this study, we attempted to elucidate the mode of action of a traditional Chinese medicine prescription with a total of 14 components, named Lian-Jia-San-Jie-Fang (LJSJF, in Chinese), where SB works as the "principle" against non-small cell lung cancer (NSCLC) cells...
February 16, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29456854/novel-braf-mutation-in-melanoma-a-case-report
#2
Serena Trubini, Alessandro Ubiali, Carlo Terenzio Paties, Luigi Cavanna
In melanoma, a number of specific genetic and genomic aberrations have been identified to be important in tumorigenesis. In particular, the mutant B-Raf proto-oncogene, Serine/Threonine kinase (BRAF) gene is the target of tailored therapy with kinase inhibitor molecules. Identification of the array of mutations in patients with melanoma will be useful in determining a genetic profile of the tumor with potential implications for treatment decisions. A rare aminoacidic insertion in codon 599 of the BRAF gene (c...
March 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29456844/an-efficient-biomarker-panel-for-diagnosis-of-breast-cancer-using-surface-enhanced-laser-desorption-ionization-time-of-flight-mass-spectrometry
#3
Turkan Yigitbasi, Gizem Calibasi-Kocal, Nihal Buyukuslu, Murat Kemal Atahan, Hakan Kupeli, Seyran Yigit, Ercument Tarcan, Yasemin Baskin
Breast cancer (BC) is the most frequently diagnosed cancer that affects women worldwide. Early detection of BC is important to improve survival rates and decrease mortality. The aim of the present study was to investigate serum biomarkers using surface-enhanced laser desorption ionization time-of-flight mass spectrometry (SELDI-TOF-MS) to distinguish patients with BC from the healthy population and patients with benign breast diseases (BBDs). A total of 62 patients with invasive ductal carcinoma, as confirmed by histopathology, and 47 non-cancerous individuals (NCIs) [16 healthy controls (HCs) and 31 patients with BBD] were enrolled in the present study...
March 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29456538/an-uncoupling-of-canonical-phenotypic-markers-and-functional-potency-of-ex-vivo-expanded-natural-killer-cells
#4
Nicole A P Lieberman, Kole DeGolier, Kristen Haberthur, Harrison Chinn, Kara W Moyes, Myriam N Bouchlaka, Kirsti L Walker, Christian M Capitini, Courtney A Crane
Recent advances in cellular therapies for patients with cancer, including checkpoint blockade and ex vivo -expanded, tumor-specific T cells, have demonstrated that targeting the immune system is a powerful approach to the elimination of tumor cells. Clinical efforts have also demonstrated limitations, however, including the potential for tumor cell antigenic drift and neoantigen formation, which promote tumor escape and recurrence, as well as rapid onset of T cell exhaustion in vivo . These findings suggest that antigen unrestricted cells, such as natural killer (NK) cells, may be beneficial for use as an alternative to or in combination with T cell based approaches...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29456100/the-coding-regions-of-germline-mrnas-confer-sensitivity-to-argonaute-regulation-in-c-elegans
#5
Meetu Seth, Masaki Shirayama, Wen Tang, En-Zhi Shen, Shikui Tu, Heng-Chi Lee, Zhiping Weng, Craig C Mello
Protein-coding genes undergo a wide array of regulatory interactions with factors that engage non-coding regions. Open reading frames (ORFs), in contrast, are thought to be constrained by coding function, precluding a major role in gene regulation. Here, we explore Piwi-interacting (pi)RNA-mediated transgene silencing in C. elegans and show that marked differences in the sensitivity to piRNA silencing map to the endogenous sequences within transgene ORFs. Artificially increasing piRNA targeting within the ORF of a resistant transgene can lead to a partial yet stable reduction in expression, revealing that piRNAs not only silence but can also "tune" gene expression...
February 14, 2018: Cell Reports
https://www.readbyqxmd.com/read/29455667/role-of-non-receptor-tyrosine-kinases-in-hematological-malignances-and-its-targeting-by-natural-products
#6
REVIEW
Kodappully S Siveen, Kirti S Prabhu, Iman W Achkar, Shilpa Kuttikrishnan, Sunitha Shyam, Abdul Q Khan, Maysaloun Merhi, Said Dermime, Shahab Uddin
Tyrosine kinases belong to a family of enzymes that mediate the movement of the phosphate group to tyrosine residues of target protein, thus transmitting signals from the cell surface to cytoplasmic proteins and the nucleus to regulate physiological processes. Non-receptor tyrosine kinases (NRTK) are a sub-group of tyrosine kinases, which can relay intracellular signals originating from extracellular receptor. NRTKs can regulate a huge array of cellular functions such as cell survival, division/propagation and adhesion, gene expression, immune response, etc...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29455278/a-review-of-the-design-and-modification-of-lactoferricins-and-their-derivatives
#7
Ya Hao, Na Yang, Da Teng, Xiumin Wang, Ruoyu Mao, Jianhua Wang
Lactoferricin (Lfcin), a multifunction short peptide with a length of 25 residues, is derived from the whey protein lactoferrin by acidic pepsin hydrolysis. It has potent nutritional enhancement, antimicrobial, anticancer, antiviral, antiparasitic, and anti-inflammatory activities. This review describes the research advantages of the above biological functions, with attention to the molecular design and modification of Lfcin. In this examination of design and modification studies, research on the identification of Lfcin active derivatives and crucial amino acid residues is also reviewed...
February 17, 2018: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/29455188/laboratory-hemostasis-from-biology-to-the-bench
#8
Giuseppe Lippi, Emmanuel J Favaloro
Physiological hemostasis is an intricate biological system, where procoagulant and anticoagulant forces interplay and preserves blood fluidity when blood vessels are intact, or trigger clot formation to prevent excessive bleeding when blood vessels are injured. The modern model of hemostasis is divided into two principal phases. The first, defined as primary hemostasis, involves the platelet-vessel interplay, whilst the second, defined as secondary hemostasis, mainly involves coagulation factors, damaged cells and platelet surfaces, where the so-called coagulation cascade rapidly develops...
February 19, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29454903/estrogen-receptor-alpha-isoforms-are-the-main-estrogen-receptors-expressed-in-non-small-cell-lung-carcinoma
#9
Vasiliki Pelekanou, Eleftheria Anastasiou, Efstathia Bakogeorgou, George Notas, Marilena Kampa, Rolando Garcia-Milian, Katerina Lavredaki, Eleni Moustou, Georgia Chinari, Petroula Arapantoni, Anthony O'Grady, Vassilios Georgoulias, Andreas Tsapis, Efstathios N Stathopoulos, Elias Castanas
The expression profile of estrogen receptors (ER) in Non-Small Cell Lung Carcinoma (NSCLC) remains contradictory. Here we investigated protein and transcriptome expression of ERα wild type and variants. Tissue Micro-Arrays of 200 cases of NSCLC (paired tumor/non-tumor) were assayed by immunohistochemistry using a panel of ERα antibodies targeting different epitopes (HC20, 6F11, 1D5, ERα36 and ERα17p). ERβ epitopes were also examined for comparison. In parallel we conducted a probe-set mapping (Affymetrix HGU133 plus 2 chip) meta-analysis of 12 NSCLC tumor public transcriptomic studies (1418 cases) and 39 NSCLC cell lines...
February 15, 2018: Steroids
https://www.readbyqxmd.com/read/29454075/the-g-protein-coupled-p2y-6-receptor-promotes-colorectal-cancer-tumorigenesis-by-inhibiting-apoptosis
#10
Morgane Placet, Guillaume Arguin, Caroline M Molle, Jean-Philippe Babeu, Christine Jones, Julie C Carrier, Bernand Robaye, Sameh Geha, Francois Boudreau, Fernand-Pierre Gendron
Colorectal tumors are immersed in an array of tumor-promoting factors including extracellular nucleotides such as uridine 5'‑diphosphate (UDP). UDP is the endogenous agonist of the G protein-coupled P2Y 6 receptor (P2Y 6 R), which may contribute to the formation of a tumor-promoting microenvironment by coordinating resistance to apoptosis. Colorectal cancer (CRC) was chemically induced in P2ry6 knockout (P2ry6 -/- ) mice using azoxymethane and dextran sulfate sodium challenges. Mice were euthanatized and their tumor load determined...
February 14, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29453948/noncritical-signaling-role-of-a-kinase-receptor-interaction-surface-in-the-escherichia-coli-chemosensory-core-complex
#11
Germán E Piñas, Michael D DeSantis, John S Parkinson
In E. coli chemosensory arrays, transmembrane receptors, a histidine autokinase CheA, and a scaffolding protein CheW interact to form an extended hexagonal lattice of signaling complexes. One interaction, previously assigned a crucial signaling role, occurs between chemoreceptors and the CheW-binding P5 domain of CheA. Structural studies showed a receptor helix fitting into a hydrophobic cleft at the boundary between P5 subdomains. Our work aimed to elucidate the in vivo roles of the receptor-P5 interface, employing as a model the interaction between E...
February 14, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29453721/fenton-treatment-of-bio-treated-fermentation-based-pharmaceutical-wastewater-removal-and-conversion-of-organic-pollutants-as-well-as-estimation-of-operational-costs
#12
Yunqin Cheng, Yunlu Chen, Juncheng Lu, Jianxin Nie, Yan Liu
The Fenton process is used as a tertiary treatment to remove organic pollutants from the effluent of bio-treated pharmaceutical wastewater (EBPW). The optimal and most appropriate Fenton conditions were determined by an orthogonal array test and single-factor experiments. The removal of chemical oxygen demand (COD) was influenced by the following factors in a descending order: H 2 O 2 /Fe(II) molar ratio > H 2 O 2 dosage > reaction time. Under the most appropriate Fenton conditions (H 2 O 2 /Fe(II) molar ratio of 1:1, H 2 O 2 dosage of 120 mg L -1 and reaction time of 10 min), the COD and dissolved organic carbon (DOC) were removed with efficiencies of 62 and 53%, respectively, which met the national discharge standard (GB 21903-2008) for the Lake Tai Basin, China...
February 16, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29453420/a-multiplex-serologic-platform-for-diagnosis-of-tick-borne-diseases
#13
Rafal Tokarz, Nischay Mishra, Teresa Tagliafierro, Stephen Sameroff, Adrian Caciula, Lokendrasingh Chauhan, Jigar Patel, Eric Sullivan, Azad Gucwa, Brian Fallon, Marc Golightly, Claudia Molins, Martin Schriefer, Adriana Marques, Thomas Briese, W Ian Lipkin
Tick-borne diseases are the most common vector-borne diseases in the United States, with serology being the primary method of diagnosis. We developed the first multiplex, array-based assay for serodiagnosis of tick-borne diseases called the TBD-Serochip. The TBD-Serochip was designed to discriminate antibody responses to 8 major tick-borne pathogens present in the United States, including Anaplasma phagocytophilum, Babesia microti, Borrelia burgdorferi, Borrelia miyamotoi, Ehrlichia chaffeensis, Rickettsia rickettsii, Heartland virus and Powassan virus...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29451913/identification-of-the-s-transferase-like-superfamily-bacillithiol-transferases-encoded-by-bacillus-subtilis
#14
Varahenage R Perera, John D Lapek, Gerald L Newton, David J Gonzalez, Kit Pogliano
Bacillithiol is a low molecular weight thiol found in Firmicutes that is analogous to glutathione, which is absent in these bacteria. Bacillithiol transferases catalyze the transfer of bacillithiol to various substrates. The S-transferase-like (STL) superfamily contains over 30,000 putative members, including bacillithiol transferases. Proteins in this family are extremely divergent and are related by structural rather than sequence similarity, leaving it unclear if all share the same biochemical activity. Bacillus subtilis encodes eight predicted STL superfamily members, only one of which has been shown to be a bacillithiol transferase...
2018: PloS One
https://www.readbyqxmd.com/read/29451301/intu-related-oral-facial-digital-syndrome-type-vi-a-confirmatory-report
#15
A-L Bruel, J Levy, N Elenga, A Defo, A Favre, H Lucron, Y Capri, L Perrin, S Passemard, Y Vial, A-C Tabet, L Faivre, C Thauvin-Robinet, A Verloes
Oral-facial-digital (OFD) syndromes are a subgroup of ciliopathies distinguished by the co-occurrence of hamartomas and/or multiple frenula of the oral region and digital anomalies. Several clinical forms of OFD are distinguished by their associated anomalies and/or inheritance patterns, and at least 20 genetic types of OFD have been delineated. We describe here a child with preaxial and postaxial polydactyly, lingual hamartoma, a congenital heart defect, delayed development and cerebellar peduncles displaying the molar tooth sign...
February 16, 2018: Clinical Genetics
https://www.readbyqxmd.com/read/29450800/the-endogenous-subcellular-localisations-of-the-long-chain-fatty-acid-activating-enzymes-acsl3-and-acsl4-in-sarcoma-and-breast-cancer-cells
#16
Yassmeen Radif, Haarith Ndiaye, Vasiliki Kalantzi, Ruth Jacobs, Andrew Hall, Shane Minogue, Mark G Waugh
Fatty acid uptake and metabolism are often dysregulated in cancer cells. Fatty acid activation is a critical step that allows these biomolecules to enter cellular metabolic pathways such as mitochondrial β-oxidation for ATP generation or the lipogenic routes that generate bioactive lipids such as the inositol phospholipids. Fatty acid activation by the addition of coenzyme A is catalysed by a family of enzymes called the acyl CoA synthetase ligases (ACSL). Furthermore, enhanced expression of particular ACSL isoforms, such as ACSL4, is a feature of some more aggressive cancers and may contribute to the oncogenic phenotype...
February 15, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29449571/an-in-silico-argument-for-mitochondrial-microrna-as-a-determinant-of-primary-non-function-in-liver-transplantation
#17
Shirin Elizabeth Khorsandi, Siamak Salehi, Miriam Cortes, Hector Vilca-Melendez, Krishna Menon, Parthi Srinivasan, Andreas Prachalias, Wayel Jassem, Nigel Heaton
Mitochondria have their own genomic, transcriptomic and proteomic machinery but are unable to be autonomous, needing both nuclear and mitochondrial genomes. The aim of this work was to use computational biology to explore the involvement of Mitochondrial microRNAs (MitomiRs) and their interactions with the mitochondrial proteome in a clinical model of primary non function (PNF) of the donor after cardiac death (DCD) liver. Archival array data on the differential expression of miRNA in DCD PNF was re-analyzed using a number of publically available computational algorithms...
February 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29448249/the-placental-secretome-identifying-potential-cross-talk-between-placenta-and-islet-%C3%AE-cells
#18
Robert Drynda, Shanta J Persaud, James E Bowe, Peter M Jones
BACKGROUND/AIMS: Insulin-secreting islet β-cells adapt to the insulin resistance associated with pregnancy by increasing functional β-cell mass, but the placental signals involved in this process are not well defined. In the current study, we analysed expression of G-protein coupled receptor (GPCR) mRNAs in mouse islets and islet GPCR ligand mRNAs in placenta during pregnancy to generate an atlas of potential interactions between the placenta and β-cells to inform future functional studies of islet adaptive responses to pregnancy...
February 8, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29447920/over-expression-of-bcat1-is-a-prognostic-marker-in-gastric-cancer
#19
Yuan Xu, Weiming Yu, Taotao Yang, Miaozun Zhang, Chao Liang, Xianlei Cai, Qinshu Shao
As one form of branched chain amino-acid transaminase(BCAT) enzymes, It has been found that up-regulation of BCAT1 is associated with poor prognosis in numerous types of tumors, but studies on the role of BCAT1 expression in gastric cancer(GC) are rare. The aim of this study was to detect BCAT1 expression in (GC) and to analyze its association with prognosis of GC patients. Microarray experiments were performed on the Affymetrix U133 plus 2.0 GeneChip Array. The protein and mRNA levels of BCAT1 were validated by immunohistochemistry (IHC) and Real-Time quantitative PCR (RT-qPCR) in GC tissues and adjacent noncancerous tissues (ANCT)...
February 12, 2018: Human Pathology
https://www.readbyqxmd.com/read/29446696/expression-profiles-of-stress-related-genes-in-islets-from-donors-with-progressively-impaired-glucose-metabolism
#20
Marcus Lundberg, Anton Stenwall, Angie Tegehall, Olle Korsgren, Oskar Skog
It is currently unknown how the islet transcriptional pattern changes as glucose metabolism deteriorates and progresses to fulminant type 2 diabetes (T2D). In this study, we hypothesized that islets from donors with elevated HbA1c levels, but not yet diagnosed with T2D, would show signs of cell stress on a transcriptional level. Laser capture microdissection and qPCR arrays including 330 genes related to mitochondria, oxidative stress, or the unfolded protein response were used to extract and analyze islets from organ donors with HbA1c <5...
February 15, 2018: Islets
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