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https://www.readbyqxmd.com/read/28092910/effects-of-in-utero-and-postnatal-exposure-to-secondhand-smoke-on-lung-function-by-gender-and-asthma-status-the-seven-northeastern-cities-snec-study
#1
Li-Wen Hu, Mo Yang, Shu Chen, Kuntal Shah, Yismaw Hailegiorgis, Richai Burgens, Michael Vaughn, Jin Huang, Pamela Xaverius, Gunther Paul, Lidia Morawska, Tao Lu, Shao Lin, Shou-Qiang Zhong, Min-Li Kong, Yan-Qi Xie, Yuan-Tao Hao, Xiao-Wen Zeng, Zhengmin Qian, Guang-Hui Dong
BACKGROUND: Little information exists on whether gender or asthma status modifies the effects of secondhand smoke (SHS) exposure on lung function. OBJECTIVE: To evaluate whether gender or asthma status modifies the association of SHS exposure with lung function. METHODS: A total of 6,740 children (average 11.6 years) were recruited from 24 districts of 7 cities in northeast China in 2012. SHS exposure included exposure to environmental and maternal smoking both in utero and during early childhood (postnatal)...
January 17, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28090565/thbs2-is-a-candidate-modifier-of-liver-disease-severity-in-alagille-syndrome
#2
Ellen A Tsai, Melissa A Gilbert, Christopher M Grochowski, Lara A Underkoffler, He Meng, Xiaojie Zhang, Michael M Wang, Hailu Shitaye, Kurt D Hankenson, David Piccoli, Henry Lin, Binita M Kamath, Marcella Devoto, Nancy B Spinner, Kathleen M Loomes
BACKGROUND & AIMS: Alagille syndrome is an autosomal-dominant, multisystem disorder caused primarily by mutations in JAG1, resulting in bile duct paucity, cholestasis, cardiac disease, and other features. Liver disease severity in Alagille syndrome is highly variable, however, factors influencing the hepatic phenotype are unknown. We hypothesized that genetic modifiers may contribute to the variable expressivity of this disorder. METHODS: We performed a genome-wide association study in a cohort of Caucasian subjects with known pathogenic JAG1 mutations, comparing patients with mild vs severe liver disease, followed by functional characterization of a candidate locus...
September 2016: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28089727/clinical-characteristics-associated-with-days-to-discharge-among-patients-admitted-with-a-primary-diagnosis-of-lower-limb-cellulitis
#3
Amit Garg, Jonathan Lavian, Gloria Lin, Cristina Sison, Michael Oppenheim, Bonnie Koo
BACKGROUND: Clinicians have limited ability to classify risk of prolonged hospitalization among patients with lower limb cellulitis. OBJECTIVE: We sought to identify characteristics associated with days to discharge and prolonged stay. METHODS: We conducted retrospective cohort analysis including patients admitted with a primary diagnosis of lower limb cellulitis at community and tertiary hospitals. RESULTS: There were 4224 admissions for lower limb cellulitis among 3692 patients...
January 12, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28088396/pulmonary-alveolar-proteinosis-in-association-with-secondary-hemophagocytic-lymphohistiocytosis
#4
Jenny Lin, Aliva De, Lisa Figueiredo, Rochelle Maxwell, Emily Wasserman, Kelly Adams, Jacqueline Weingarten, Giles Peek, Michael Miksa
Pulmonary alveolar proteinosis (PAP) is a rare diffuse lung disease in the pediatric population. There are currently few cases documenting hemophagocytic lymphohistiocytosis as a cause for secondary PAP. We describe an ex-preterm child with secondary hemophagocytic lymphohistiocytosis, complicated by PAP and hypoxemic respiratory failure.
January 12, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28088350/the-emotive-nature-of-conflict-monitoring-in-the-medial-prefrontal-cortex
#5
Blair Saunders, Hause Lin, Marina Milyavskaya, Michael Inzlicht
The detection of conflict between incompatible impulses, thoughts, and actions is a ubiquitous source of motivation across theories of goal-directed action. In this overview, we explore the hypothesis that conflict is emotive, integrating perspectives from affective science and cognitive neuroscience. Initially, we review evidence suggesting that the mental and biological processes that monitor for information processing conflict-particularly those generated by the anterior midcingulate cortex-track the affective significance of conflict and use this signal to motivate increased control...
January 11, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28078410/effects-of-direct-current-electric-fields-on-lung-cancer-cell-electrotaxis-in-a-pmma-based-microfluidic-device
#6
Yaping Li, Tao Xu, Xiaomei Chen, Shin Lin, Michael Cho, Dong Sun, Mengsu Yang
Tumor metastasis is the primary cause of cancer death. Numerous studies have demonstrated the electrotactic responses of various cancer cell types, and suggested its potential implications in metastasis. In this study, we used a microfluidic device to emulate endogenous direct current electric field (dcEF) environment, and studied the electrotactic migration of non-small cell lung cancer cell lines (H460, HCC827, H1299, and H1975) and the underlying mechanisms. These cell lines exhibited greatly different response in applied dcEFs (2-6 V/cm)...
January 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28076332/lysosomal-acid-phosphatase-2-is-an-unfavorable-prognostic-factor-but-is-associated-with-better-survival-in-stage-ii-colorectal-cancer-patients-receiving-chemotherapy
#7
Yu-Chieh Lee, Chia-Yu Su, Yuan-Feng Lin, Chun-Mao Lin, Chih-Yeu Fang, Yen-Kuang Lin, Michael Hsiao, Chi-Long Chen
Colorectal cancer (CRC) is one of the leading cancers worldwide. Surgery is the main therapeutic modality for stage II CRC. However, the implementation of adjuvant chemotherapy remains controversial and is not universally applied so far. In this study, we found that the protein expression of lysosomal acid phosphatase 2 (ACP2) was increased in CRC and that stage II CRC patients with high ACP2 expression showed a poorer outcome than those with low ACP2 expression (p = 0.004). To investigate this discrepancy, we analyzed the relation between ACP2 expression and several clinical cofactors...
January 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28068672/genomic-hallmarks-of-localized-non-indolent-prostate-cancer
#8
Michael Fraser, Veronica Y Sabelnykova, Takafumi N Yamaguchi, Lawrence E Heisler, Julie Livingstone, Vincent Huang, Yu-Jia Shiah, Fouad Yousif, Xihui Lin, Andre P Masella, Natalie S Fox, Michael Xie, Stephenie D Prokopec, Alejandro Berlin, Emilie Lalonde, Musaddeque Ahmed, Dominique Trudel, Xuemei Luo, Timothy A Beck, Alice Meng, Junyan Zhang, Alister D'Costa, Robert E Denroche, Haiying Kong, Shadrielle Melijah G Espiritu, Melvin L K Chua, Ada Wong, Taryne Chong, Michelle Sam, Jeremy Johns, Lee Timms, Nicholas B Buchner, Michèle Orain, Valérie Picard, Helène Hovington, Alexander Murison, Ken Kron, Nicholas J Harding, Christine P'ng, Kathleen E Houlahan, Kenneth C Chu, Bryan Lo, Francis Nguyen, Constance H Li, Ren X Sun, Richard de Borja, Christopher I Cooper, Julia F Hopkins, Shaylan K Govind, Clement Fung, Daryl Waggott, Jeffrey Green, Syed Haider, Michelle A Chan-Seng-Yue, Esther Jung, Zhiyuan Wang, Alain Bergeron, Alan Dal Pra, Louis Lacombe, Colin C Collins, Cenk Sahinalp, Mathieu Lupien, Neil E Fleshner, Housheng H He, Yves Fradet, Bernard Tetu, Theodorus van der Kwast, John D McPherson, Robert G Bristow, Paul C Boutros
Prostate tumours are highly variable in their response to therapies, but clinically available prognostic factors can explain only a fraction of this heterogeneity. Here we analysed 200 whole-genome sequences and 277 additional whole-exome sequences from localized, non-indolent prostate tumours with similar clinical risk profiles, and carried out RNA and methylation analyses in a subset. These tumours had a paucity of clinically actionable single nucleotide variants, unlike those seen in metastatic disease. Rather, a significant proportion of tumours harboured recurrent non-coding aberrations, large-scale genomic rearrangements, and alterations in which an inversion repressed transcription within its boundaries...
January 9, 2017: Nature
https://www.readbyqxmd.com/read/28067909/smchd1-mutations-associated-with-a-rare-muscular-dystrophy-can-also-cause-isolated-arhinia-and-bosma-arhinia-microphthalmia-syndrome
#9
Natalie D Shaw, Harrison Brand, Zachary A Kupchinsky, Hemant Bengani, Lacey Plummer, Takako I Jones, Serkan Erdin, Kathleen A Williamson, Joe Rainger, Alexei Stortchevoi, Kaitlin Samocha, Benjamin B Currall, Donncha S Dunican, Ryan L Collins, Jason R Willer, Angela Lek, Monkol Lek, Malik Nassan, Shahrin Pereira, Tammy Kammin, Diane Lucente, Alexandra Silva, Catarina M Seabra, Colby Chiang, Yu An, Morad Ansari, Jacqueline K Rainger, Shelagh Joss, Jill Clayton Smith, Margaret F Lippincott, Sylvia S Singh, Nirav Patel, Jenny W Jing, Jennifer R Law, Nalton Ferraro, Alain Verloes, Anita Rauch, Katharina Steindl, Markus Zweier, Ianina Scheer, Daisuke Sato, Nobuhiko Okamoto, Christina Jacobsen, Jeanie Tryggestad, Steven Chernausek, Lisa A Schimmenti, Benjamin Brasseur, Claudia Cesaretti, Jose E García-Ortiz, Tatiana Pineda Buitrago, Orlando Perez Silva, Jodi D Hoffman, Wolfgang Mühlbauer, Klaus W Ruprecht, Bart L Loeys, Masato Shino, Angela M Kaindl, Chie-Hee Cho, Cynthia C Morton, Richard R Meehan, Veronica van Heyningen, Eric C Liao, Ravikumar Balasubramanian, Janet E Hall, Stephanie B Seminara, Daniel Macarthur, Steven A Moore, Koh-Ichiro Yoshiura, James F Gusella, Joseph A Marsh, John M Graham, Angela E Lin, Nicholas Katsanis, Peter L Jones, William F Crowley, Erica E Davis, David R FitzPatrick, Michael E Talkowski
Arhinia, or absence of the nose, is a rare malformation of unknown etiology that is often accompanied by ocular and reproductive defects. Sequencing of 40 people with arhinia revealed that 84% of probands harbor a missense mutation localized to a constrained region of SMCHD1 encompassing the ATPase domain. SMCHD1 mutations cause facioscapulohumeral muscular dystrophy type 2 (FSHD2) via a trans-acting loss-of-function epigenetic mechanism. We discovered shared mutations and comparable DNA hypomethylation patterning between these distinct disorders...
January 9, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28067385/a-dbu-catalyzed-michael-pinner-isomerization-cascade-reaction-of-3-hydroxyoxindoles-with-isatylidene-malononitriles-access-to-highly-functionalized-bispirooxindoles-containing-a-fully-substituted-dihydrofuran-motif
#10
Yan-Shuo Zhu, Wen-Bo Wang, Bei-Bei Yuan, Ya-Ning Li, Qi-Lin Wang, Zhan-Wei Bu
The first DBU-catalyzed Michael/Pinner/isomerization cascade reaction of 3-hydrooxindoles with isatylidene malononitriles was developed, and the corresponding highly functionalized bispirooxindoles containing a fully substituted dihydrofuran motif were obtained in up to 92% yields. This protocol also provides an efficient method for the synthesis of an α-cyano-γ-butyrolactone bispirooxindole. In addition, a one-pot three-component cascade reaction was conducted. Also, the asymmetric version of the cascade reaction was achieved...
January 9, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28067321/methylome-wide-association-study-of-atrial-fibrillation-in-framingham-heart-study
#11
Honghuang Lin, Xiaoyan Yin, Zhijun Xie, Kathryn L Lunetta, Steven A Lubitz, Martin G Larson, Darae Ko, Jared W Magnani, Michael M Mendelson, Chunyu Liu, David D McManus, Daniel Levy, Patrick T Ellinor, Emelia J Benjamin
Atrial fibrillation (AF) is the most common cardiac arrhythmia, but little is known about the molecular mechanisms associated with AF arrhythmogenesis. DNA methylation is an important epigenetic mechanism that regulates gene expression and downstream biological processes. We hypothesize that DNA methylation might play an important role in the susceptibility to develop AF. A total of 2,639 participants from the Offspring Cohort of Framingham Heart Study were enrolled in the current study. These participants included 183 participants with prevalent AF and 220 with incident AF during up to 9 years follow up...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28067225/hepatitis-c-virus-has-a-genetically-determined-lymphotropism-through-co-receptor-b7-2
#12
Chia-Lin Chen, Jeffrey Y Huang, Chun-Hsiang Wang, Stanley M Tahara, Lin Zhou, Yasuteru Kondo, Joel Schechter, Lishan Su, Michael M C Lai, Takaji Wakita, François-Loïc Cosset, Jae U Jung, Keigo Machida
B-cell infection by hepatitis C virus (HCV) has been a controversial topic. To examine whether HCV has a genetically determined lymphotropism through a co-receptor specific for the infection by lymphotropic HCV, we established an infectious clone and chimeric virus of hepatotropic and lymphotropic HCV strains derived from an HCV-positive B-cell lymphoma. The viral envelope and 5'-UTR sequences of the lymphotropic HCV strain were responsible for the lymphotropism. Silencing of the virus sensor, RIGI, or overexpression of microRNA-122 promoted persistent viral replication in B cells...
January 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28061796/glucose-transporter-4-promotes-head-and-neck-squamous-cell-carcinoma-metastasis-through-the-trim24-ddx58-axis
#13
Yu-Chan Chang, Li-Hsing Chi, Wei-Ming Chang, Chia-Yi Su, Yuang-Feng Lin, Chi-Long Chen, Ming-Huang Chen, Peter Mu-Hsin Chang, Alex T H Wu, Michael Hsiao
BACKGROUND: Head and neck squamous cell carcinoma (HNSCC) represents a unique and major health concern worldwide. Significant increases in glucose uptake and aerobic glycolysis have been observed in HNSCC cells. Glucose transporters (GLUTs) represent a major hub in the glycolysis pathway, with GLUT4 having the highest glucose affinity. However, GLUT4's role in HNSCC has not been fully appreciated. METHODS: An in silico analysis was performed in HNSCC cohorts to identify the most significant glucose transporter associated with HNSCC patient prognosis...
January 7, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28060425/strong-tough-stretchable-and-self-adhesive-hydrogels-from-intrinsically-unstructured-proteins
#14
Mark A Gonzalez, Joseph R Simon, Ali Ghoorchian, Zachary Scholl, Shaoting Lin, Michael Rubinstein, Piotr Marszalek, Ashutosh Chilkoti, Gabriel P López, Xuanhe Zhao
Strong, tough, stretchable, and self-adhesive hydrogels have been designed with intrinsically unstructured proteins. The extraordinary mechanical properties exhibited by these materials are enabled by an integration of toughening mechanisms that maintain high elasticity and dissipate mechanical energy within the protein networks.
January 6, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28057705/translational-control-of-lipogenic-enzymes-in-the-cell-cycle-of-synchronous-growing-yeast-cells
#15
Heidi M Blank, Ricardo Perez, Chong He, Nairita Maitra, Richard Metz, Joshua Hill, Yuhong Lin, Charles D Johnson, Vytas A Bankaitis, Brian K Kennedy, Rodolfo Aramayo, Michael Polymenis
Translational control during cell division determines when cells start a new cell cycle, how fast they complete it, the number of successive divisions, and how cells coordinate proliferation with available nutrients. The translational efficiencies of mRNAs in cells progressing synchronously through the mitotic cell cycle, while preserving the coupling of cell division with cell growth, remain uninvestigated. We now report comprehensive ribosome profiling of a yeast cell size series from the time of cell birth, to identify mRNAs under periodic translational control...
January 5, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28052373/best-time-window-for-the-use-of-calcium-modulating-agents-to-improve-functional-recovery-in-injured-peripheral-nerves-an-experiment-in-rats
#16
Yuhui Yan, Feng-Yi Shen, Michael Agresti, Lin-Ling Zhang, Hani S Matloub, John A LoGiudice, Robert Havlik, Jifeng Li, Yu-Dong Gu, Ji-Geng Yan
Peripheral nerve injury can have a devastating effect on daily life. Calcium concentrations in nerve fibers drastically increase after nerve injury, and this activates downstream processes leading to neuron death. Our previous studies showed that calcium-modulating agents decrease calcium accumulation, which aids in regeneration of injured peripheral nerves; however, the optimal therapeutic window for this application has not yet been identified. In this study, we show that calcium clearance after nerve injury is positively correlated with functional recovery in rats suffering from a crushed sciatic nerve injury...
January 4, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28045631/head-and-neck-cancer
#17
Peter F Svider, Michael A Blasco, S Naweed Raza, Mahdi Shkoukani, Ammar Sukari, George H Yoo, Adam J Folbe, Ho-Sheng Lin, Andrew M Fribley
Despite a considerable expansion in our therapeutic repertoire for management of other malignancies, mortality from head and neck cancer (HNC) has not significantly improved in recent decades. Upon normalizing National Institutes of Health-awarded R01 and R01-equivalent grants by incidence, thyroid cancer ($214) and HNC ($1329) received the fewest funding dollars. Upon adjusting funding totals by mortality, HNC was 7th out of 9 cancers evaluated ($6138). These findings highlight HNC as an underfunded disease versus other cancers...
January 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28045370/atomic-structures-of-fibrillar-segments-of-hiapp-suggest-tightly-mated-%C3%AE-sheets-are-important-for-cytotoxicity
#18
Pascal Krotee, Jose A Rodriguez, Michael R Sawaya, Duilio Cascio, Francis E Reyes, Dan Shi, Johan Hattne, Brent L Nannenga, Marie E Oskarsson, Stephan Philipp, Sarah Griner, Lin Jiang, Charles G Glabe, Gunilla T Westermark, Tamir Gonen, David S Eisenberg
hIAPP fibrils are associated with Type-II Diabetes, but the link of hIAPP structure to islet cell death remains elusive. Here we observe that hIAPP fibrils are cytotoxic to cultured pancreatic β-cells, leading us to determine the structure and cytotoxicity of protein segments composing the amyloid spine of hIAPP. Using the cryoEM method MicroED, we discover that one segment, 19-29 S20G, forms pairs of β-sheets mated by a dry interface that share structural features with and are similarly cytotoxic to full-length hIAPP fibrils...
January 3, 2017: ELife
https://www.readbyqxmd.com/read/28041896/a-quiescent-bcl11b-high-stem-cell-population-is-required-for-maintenance-of-the-mammary-gland
#19
Shang Cai, Tomer Kalisky, Debashis Sahoo, Piero Dalerba, Weiguo Feng, Yuan Lin, Dalong Qian, Angela Kong, Jeffrey Yu, Flora Wang, Elizabeth Y Chen, Ferenc A Scheeren, Angera H Kuo, Shaheen S Sikandar, Shigeo Hisamori, Linda J van Weele, Diane Heiser, Sopheak Sim, Jessica Lam, Stephen Quake, Michael F Clarke
Stem cells in many tissues sustain themselves by entering a quiescent state to avoid genomic insults and to prevent exhaustion caused by excessive proliferation. In the mammary gland, the identity and characteristics of quiescent epithelial stem cells are not clear. Here, we identify a quiescent mammary epithelial cell population expressing high levels of Bcl11b and located at the interface between luminal and basal cells. Bcl11b(high) cells are enriched for cells that can regenerate mammary glands in secondary transplants...
December 19, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/28035895/predator-prey-coevolution-drives-productivity-richness-relationships-in-planktonic-systems
#20
Zhichao Pu, Michael H Cortez, Lin Jiang
The relationship between environmental productivity and species richness often varies among empirical studies, and despite much research, simple explanations for this phenomenon remain elusive. We investigated how phytoplankton and zooplankton coevolution shapes productivity-richness relationships in both phytoplankton and zooplankton, using a simple nutrient-phytoplankton-zooplankton model that incorporates size-dependent metabolic rates summarized from empirical studies. The model allowed comparisons of evolved species richness across productivity levels and at different evolutionary times...
January 2017: American Naturalist
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