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https://www.readbyqxmd.com/read/28103132/functional-gains-in-energy-and-cell-metabolism-after-tspo-gene-insertion
#1
Guo-Jun Liu, Ryan J Middleton, Winnie Wai-Ying Kam, David Y Chin, Claire R Hatty, Ronald H Y Chan, Richard B Banati
Recent loss-of-function studies in tissue-specific as well as global Tspo (Translocator Protein 18 kDa) knockout mice have not confirmed its long assumed indispensability for the translocation of cholesterol across the mitochondrial inter-membrane space, a rate-limiting step in steroid biosynthesis. Instead, recent studies in global Tspo knockout mice indicate that TSPO may play a more fundamental role in cellular bioenergetics, which may include the indirect down-stream regulation of transport or metabolic functions...
January 19, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28101680/application-of-tissue-engineered-bone-grafts-for-alveolar-cleft-osteoplasty-in-a-rodent-model
#2
Paula Korn, Maria Hauptstock, Ursula Range, Christiane Kunert-Keil, Winnie Pradel, Günter Lauer, Matthias C Schulz
OBJECTIVES: The clinical standard for alveolar cleft osteoplasty is augmentation with autologous bone being available in limited amounts and might be associated with donor site morbidity. The aim of the present study was the creation of tissue-engineered bone grafts and their in vivo evaluation regarding their potential to promote osteogenesis in an alveolar cleft model. MATERIALS AND METHODS: Artificial bone defects with a diameter of 3.3 mm were created surgically in the palate of 84 adult Lewis rats...
January 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28093199/effect-of-different-cryo-devices-on-in-vitro-maturation-and-development-of-vitrified-warmed-immature-buffalo-oocytes
#3
Yelisetti Uma Mahesh, Henderson Rose Winnie Gibence, Sisinthy Shivaji, Brahmasani Sambasiva Rao
The aim of the study was to identify a cryo-device that would be best suited for the vitrification of buffalo immature cumulus-oocyte complexes (COCs) as judged by viability and meiotic competence of the vitrified-warmed oocytes and their development ability following in vitro fertilization (IVF). The expression of oocyte secreting factors and their receptors (GDF9, BMP15, BMPR2, TGFBR1) and apoptosis related genes (BCL2, BAX, P53, C-MYC) were compared in vitrified-warmed oocytes after in vitro maturation. COCs from the ovaries of slaughtered buffaloes were vitrified in a combination of dimethyl sulfoxide, ethylene glycol, and sucrose using either a conventional straw (CS), open pulled straw (OPS), cryoloop (CL), hemistraw (HS) or cryotop (CT)...
January 13, 2017: Cryobiology
https://www.readbyqxmd.com/read/28092409/quantification-of-brown-and-white-adipose-tissue-based-on-gaussian-mixture-model-using-water-fat-and-t2-mri-in-adolescents
#4
Steve C N Hui, Jacky K L Ko, Teng Zhang, Lin Shi, David K W Yeung, Defeng Wang, Queenie Chan, Winnie C W Chu
PURPOSE: To develop a technique for the separation and quantification of brown adipose tissue (BAT) and white adipose tissue (WAT) using fat fraction and T2* intensity based on the Gaussian mixture model (GMM). MATERIALS AND METHODS: Chemical-shift water-fat and T2* images were acquired at the neck, supraclavicular, interscapular, and paravertebral regions in 24 volunteers (Obese: n = 12, female/male = 6/6, body mass index [BMI] = 31.3 ± 2.3 kg/m(2) , age = 16...
January 16, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28081537/impact-of-disease-stage-and-aetiology-on-survival-in-hepatocellular-carcinoma-implications-for-surveillance
#5
Philip Johnson, Sarah Berhane, Chiaki Kagebayashi, Shinji Satomura, Mabel Teng, Richard Fox, Winnie Yeo, Frankie Mo, Paul Lai, Stephen L Chan, Toshifumi Tada, Hidenori Toyoda, Takashi Kumada
BACKGROUND: Variation in survival in hepatocellular carcinoma (HCC) has been attributed to different aetiologies or disease stages at presentation. While international guidelines recommend surveillance of high-risk groups to permit early diagnosis and curative treatment, the evidence that surveillance decreases disease-specific mortality is weak. METHODS: We compared HCC survival figures from Japan (n=1174) and Hong Kong (n=1675) over similar time periods (Japan 2000-2013, Hong Kong, China 2003-2014)...
January 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28081046/evaluation-of-herpes-simplex-virus-type-2-serological-tests-for-use-with-dried-blood-spots-in-kenya
#6
Marcia M Hobbs, Sophie W Mwanyumba, Winnie K Luseno, Shane Hartman, Carolyn T Halpern, Denise D Hallfors, Hyunsan Cho
We evaluated 2 assays to detect antibodies to herpes simplex virus type 2 in dried blood spots prepared from blood specimens submitted to a reference laboratory in Kenya. Dried blood spots did not perform well with the Kalon herpes simplex virus type 2 assay. Focus HerpeSelect 2 was 98.8% sensitive and 98.9% specific with dried blood spots.
February 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28081032/a-systematic-review-of-the-factors-influencing-ethnic-minority-women-s-cervical-cancer-screening-behavior-from-intrapersonal-to-policy-level
#7
Dorothy N S Chan, Winnie K W So
BACKGROUND: Cervical cancer can be prevented by effective screening using Papanicolaou tests, but the utilization rate is lower among ethnic minorities than in the general population. Understanding the factors influencing minorities' use of such screening can aid the design of an appropriate intervention to increase their uptake rate. OBJECTIVE: The aims of this study were to examine the factors that influence ethnic minority women in using cervical cancer screening and the similarities and differences in associated factors across different groups and to explore the interrelationships between the factors identified...
January 9, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28067867/germline-brca2-mutations-drive-prostate-cancers-with-distinct-evolutionary-trajectories
#8
Renea A Taylor, Michael Fraser, Julie Livingstone, Shadrielle Melijah G Espiritu, Heather Thorne, Vincent Huang, Winnie Lo, Yu-Jia Shiah, Takafumi N Yamaguchi, Ania Sliwinski, Sheri Horsburgh, Alice Meng, Lawrence E Heisler, Nancy Yu, Fouad Yousif, Melissa Papargiris, Mitchell G Lawrence, Lee Timms, Declan G Murphy, Mark Frydenberg, Julia F Hopkins, Damien Bolton, David Clouston, John D McPherson, Theodorus van der Kwast, Paul C Boutros, Gail P Risbridger, Robert G Bristow
Germline mutations in the BRCA2 tumour suppressor are associated with both an increased lifetime risk of developing prostate cancer (PCa) and increased risk of aggressive disease. To understand this aggression, here we profile the genomes and methylomes of localized PCa from 14 carriers of deleterious germline BRCA2 mutations (BRCA2-mutant PCa). We show that BRCA2-mutant PCa harbour increased genomic instability and a mutational profile that more closely resembles metastastic than localized disease. BRCA2-mutant PCa shows genomic and epigenomic dysregulation of the MED12L/MED12 axis, which is frequently dysregulated in metastatic castration-resistant prostate cancer (mCRPC)...
January 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28065827/gastric-bypass-surgery-recruits-a-gut-ppar-%C3%AE-striatal-d1r-pathway-to-reduce-fat-appetite-in-obese-rats
#9
Mohammed K Hankir, Florian Seyfried, Constantin A Hintschich, Thi-Ai Diep, Karen Kleberg, Mathias Kranz, Winnie Deuther-Conrad, Luis A Tellez, Michael Rullmann, Marianne Patt, Jens Teichert, Swen Hesse, Osama Sabri, Peter Brust, Harald S Hansen, Ivan E de Araujo, Ute Krügel, Wiebke K Fenske
Bariatric surgery remains the single most effective long-term treatment modality for morbid obesity, achieved mainly by lowering caloric intake through as yet ill-defined mechanisms. Here we show in rats that Roux-en-Y gastric bypass (RYGB)-like rerouting of ingested fat mobilizes lower small intestine production of the fat-satiety molecule oleoylethanolamide (OEA). This was associated with vagus nerve-driven increases in dorsal striatal dopamine release. We also demonstrate that RYGB upregulates striatal dopamine 1 receptor (D1R) expression specifically under high-fat diet feeding conditions...
January 2, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28061857/coordinated-regulation-of-acid-resistance-in-escherichia-coli
#10
Patricia Aquino, Brent Honda, Suma Jaini, Anna Lyubetskaya, Krutika Hosur, Joanna G Chiu, Iriny Ekladious, Dongjian Hu, Lin Jin, Marianna K Sayeg, Arion I Stettner, Julia Wang, Brandon G Wong, Winnie S Wong, Stephen L Alexander, Cong Ba, Seth I Bensussen, David B Bernstein, Dana Braff, Susie Cha, Daniel I Cheng, Jang Hwan Cho, Kenny Chou, James Chuang, Daniel E Gastler, Daniel J Grasso, John S Greifenberger, Chen Guo, Anna K Hawes, Divya V Israni, Saloni R Jain, Jessica Kim, Junyu Lei, Hao Li, David Li, Qian Li, Christopher P Mancuso, Ning Mao, Salwa F Masud, Cari L Meisel, Jing Mi, Christine S Nykyforchyn, Minhee Park, Hannah M Peterson, Alfred K Ramirez, Daniel S Reynolds, Nae Gyune Rim, Jared C Saffie, Hang Su, Wendell R Su, Yaqing Su, Meng Sun, Meghan M Thommes, Tao Tu, Nitinun Varongchayakul, Tyler E Wagner, Benjamin H Weinberg, Rouhui Yang, Anastasia Yaroslavsky, Christine Yoon, Yanyu Zhao, Alicia J Zollinger, Anne M Stringer, John W Foster, Joseph Wade, Sahadaven Raman, Natasha Broude, Wilson W Wong, James E Galagan
BACKGROUND: Enteric Escherichia coli survives the highly acidic environment of the stomach through multiple acid resistance (AR) mechanisms. The most effective system, AR2, decarboxylates externally-derived glutamate to remove cytoplasmic protons and excrete GABA. The first described system, AR1, does not require an external amino acid. Its mechanism has not been determined. The regulation of the multiple AR systems and their coordination with broader cellular metabolism has not been fully explored...
January 6, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28061006/confirmation-of-promise-a-simple-genomics-based-clinical-classifier-for-endometrial-cancer
#11
Aline Talhouk, Melissa K McConechy, Samuel Leung, Winnie Yang, Amy Lum, Janine Senz, Niki Boyd, Judith Pike, Michael Anglesio, Janice S Kwon, Anthony N Karnezis, David G Huntsman, C Blake Gilks, Jessica N McAlpine
BACKGROUND: Classification of endometrial carcinomas (ECs) by morphologic features is irreproducible and imperfectly reflects tumor biology. The authors developed the Proactive Molecular Risk Classifier for Endometrial Cancer (ProMisE), a molecular classification system based on The Cancer Genome Atlas genomic subgroups, and sought to confirm both feasibility and prognostic ability in a new, large cohort of ECs. METHODS: Immunohistochemistry (IHC) for the presence or absence of mismatch repair (MMR) proteins (to identify MMR deficiency [MMR-D]), sequencing for polymerase-ɛ (POLE) exonuclease domain mutations (POLE EDMs), and IHC for tumor protein 53 (p53) (wild type vs null/missense mutations; p53 wt and p53 abn, respectively) were performed on 319 new EC samples...
January 6, 2017: Cancer
https://www.readbyqxmd.com/read/28057415/comprehensive-genomic-analysis-of-metastatic-mucinous-urethral-adenocarcinoma-guides-precision-oncology-treatment-targetable-egfr-amplification-leading-to-successful-treatment-with-erlotinib
#12
Alan H Bryce, Mitesh J Borad, Jan B Egan, Rachel M Condjella, Winnie S Liang, Rafael Fonseca, Ann E McCullough, Katherine S Hunt, Nicole R Ritacca, Michael T Barrett, Maitray D Patel, Scott W Young, Alvin C Silva, Thai H Ho, Thorvardur R Halfdanarson, Melissa L Stanton, John Cheville, Scott Swanson, Daniel E Schneider, Robert R McWilliams, Angela Baker, Jessica Aldrich, Ahmet Kurdoglu, Tyler Izatt, Alexis Christoforides, Irene Cherni, Sara Nasser, Rebecca Reiman, Lori Cuyugan, Jacquelyn McDonald, Jonathan Adkins, Stephen D Mastrian, Daniel D Von Hoff, David W Craig, A Keith Stewart, John D Carpten
No abstract text is available yet for this article.
December 1, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28054997/synthesis-and-preliminary-biological-evaluation-of-indol-3-yl-oxoacetamides-as-potent-cannabinoid-receptor-type-2-ligands
#13
Rareş-Petru Moldovan, Winnie Deuther-Conrad, Andrew G Horti, Peter Brust
A small series of indol-3-yl-oxoacetamides was synthesized starting from the literature known N-(adamantan-1-yl)-2-(5-(furan-2-yl)-1-pentyl-1H-indol-3-yl)-2-oxoacetamide (5) by substituting the 1-pentyl-1H-indole subunit. Our preliminary biological evaluation showed that the fluorinated derivative 8 is a potent and selective CB₂ ligand with Ki = 6.2 nM.
January 4, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28052758/prognostic-values-of-eortc-qlq-c30-and-qlq-hcc18-index-scores-in-patients-with-hepatocellular-carcinoma-clinical-application-of-health-related-quality-of-life-data
#14
Leung Li, Frankie Kf Mo, Stephen L Chan, Edwin P Hui, Nelson Sl Tang, Jane Koh, Linda Ks Leung, Annette Ny Poon, Joyce Hui, Cheuk M Chu, Kit F Lee, Brigette By Ma, Paul Bs Lai, Anthony Tc Chan, Simon Ch Yu, Winnie Yeo
BACKGROUND: Health-related quality-of-life (HRQOL) assessment with EORTC QLQ-C30 was prognostic for overall survival (OS) in patients with advance-stage hepatocellular carcinoma (HCC), but no data existed for early-stage patients. The HCC-specific QLQ-HCC18 has not been evaluated for prognostic value in HCC patients. Utilization of raw HRQOL data in clinical setting has been impractical and non-meaningful. Therefore we developed index scores of QLQ-C30 and QLQ-HCC18 in an attempt to enable clinical utilization of these HRQOL measurements...
January 4, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28052652/anti-angiogenic-therapy-in-patients-with-advanced-gastric-and-gastroesophageal-junction-cancer-a-systematic-review
#15
Li-Tzong Chen, Do-Youn Oh, Min-Hee Ryu, Kun-Huei Yeh, Winnie Yeo, Roberto Carlesi, Rebecca Cheng, Jongseok Kim, Mauro Orlando, Yoon-Koo Kang
Despite advancements in therapy for advanced gastric and gastroesophageal junction cancers, their prognosis remains dismal. Tumor angiogenesis plays a key role in cancer growth and metastasis, and recent studies indicate that pharmacologic blockade of angiogenesis is a promising approach to therapy. In this systematic review, we summarize current literature on the clinical benefit of anti-angiogenic agents in advanced gastric cancer. We conducted a systematic search of PubMed and conference proceedings including the American Society of Clinical Oncology, the European Society for Medical Oncology, and the European Cancer Congress...
January 3, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28042985/enhancing-elderly-health-examination-effectiveness-by-adding-physical-function-evaluations-and-interventions
#16
Chia-Ming Li, Ching-I Chang, Wen-Ruey Yu, Winnie Yang, Chih-Cheng Hsu, Ching-Yu Chen
This study aimed to assess the benefit of adding physical function evaluations and interventions to routine elderly health examination. This is a Quasi-experimental controlled trial. 404 elderly adults (aged 70 and over) scoring 3-6 on the Canadian Study of Health and Aging Clinical Frailty Scale Chinese In-Person Interview Version (CSHA-CFS) in a 2012 annual elderly health examination were enrolled. Both the control and experimental groups received the routine annual health examination with the latter further provided with functional evaluations, exercise instruction, and nutrition education...
December 24, 2016: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28039039/group-comparison-of-cortical-fiber-connectivity-map-an-application-between-post-stroke-patients-and-healthy-subjects
#17
Kai Liu, Teng Zhang, Winnie C W Chu, Vincent C T Mok, Defeng Wang, Lin Shi
Structural connectome measurement combined with diffusion magnetic resonance imaging (MRI) and tractography allows generation of a whole-brain connectome. However, current cortical structural connectivity (SC) measurements have not been well combined with the vertex-wise multi-subjects statistical analysis. The aim of this study was to examine the feasibility of using group comparison vertex-wise analysis for cortical SC measurement. A fiber connectivity density (FiCD) method based on a combination of a diffusion fiber tracking technique and cortical surface-based analysis was used to measure the whole-brain cortical SC map (FiCD map)...
December 28, 2016: Neuroscience
https://www.readbyqxmd.com/read/28038692/asymmetry-of-the-vertebral-body-and-pedicles-in-the-true-transverse-plane-in-adolescent-idiopathic-scoliosis-a-ct-based-study
#18
Rob C Brink, Tom P C Schlösser, Dino Colo, Koen L Vincken, Marijn van Stralen, Steve C N Hui, Winnie C W Chu, Jack C Y Cheng, René M Castelein
STUDY DESIGN: Cross-sectional. OBJECTIVES: To quantify the asymmetry of the vertebral bodies and pedicles in the true transverse plane in adolescent idiopathic scoliosis (AIS) and to compare this with normal anatomy. SUMMARY OF BACKGROUND DATA: There is an ongoing debate about the existence and magnitude of the vertebral body and pedicle asymmetry in AIS and whether this is an expression of a primary growth disturbance, or secondary to asymmetrical loading...
January 2017: Spine Deformity
https://www.readbyqxmd.com/read/28035824/charge-and-spin-state-characterization-of-cobalt-bis-o-dioxolene-valence-tautomers-using-co-k%C3%AE-x-ray-emission-and-l-edge-x-ray-absorption-spectroscopies
#19
H Winnie Liang, Thomas Kroll, Dennis Nordlund, Tsu-Chien Weng, Dimosthenis Sokaras, Cortlandt G Pierpont, Kelly J Gaffney
The valence tautomeric states of Co(phen)(3,5-DBQ)2 and Co(tmeda)(3,5-DBQ)2, where 3,5-DBQ is either the semiquinone (SQ(-)) or catecholate (Cat(2-)) form of 3,5-di-tert-butyl-1,2-benzoquinone, have been examined by a series of cobalt-specific X-ray spectroscopies. In this work, we have utilized the sensitivity of 1s3p X-ray emission spectroscopy (Kβ XES) to the oxidation and spin states of 3d transition-metal ions to determine the cobalt-specific electronic structure of valence tautomers. A comparison of their Kβ XES spectra with the spectra of cobalt coordination complexes with known oxidation and spin states demonstrates that the low-temperature valence tautomer can be described as a low-spin Co(III) configuration and the high-temperature valence tautomer as a high-spin Co(II) configuration...
December 30, 2016: Inorganic Chemistry
https://www.readbyqxmd.com/read/28034669/pioglitazone-improves-insulin-sensitivity-and-reduces-weight-loss-in-walker-256-tumor-bearing-rats
#20
Flaviane de Fatima Silva, Milene Ortiz-Silva, Winny Beatriz de Souza Galia, Priscila Cassolla, Maria Fernanda Rodrigues Graciano, Cassia Thaïs Bussamra Vieira Zaia, Dimas Zaia, Ângelo Rafael Carpinelli, Francemilson Goulart da Silva, Helenir Medri de Souza
AIM: The lipogenic effect of pioglitazone (PGZ), an insulin (INS) sensitizer, is well established. However, few studies have evaluated PGZ effects in preventing weight loss in cancer. We investigated PGZ effects, alone or associated with INS, on INS resistance, cachexia and metabolic abnormalities induced by Walker-256 tumor in rats MAIN METHODS: PGZ (5.0mg·kg(-1), oral) or PGZ+INS (NPH, 1.0UI·kg(-1), sc), were once-daily administered during 12days, starting on the day inoculation of Walker-256 tumor cells...
December 26, 2016: Life Sciences
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