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https://www.readbyqxmd.com/read/28898476/proceeding-report-of-the-symposium-on-hidradenitis-suppurativa-advances-shsa
#1
Ali Mehdizadeh, Afsaneh Alavi, Raed Alhusayen, Boris Bauer, Falk G Bechara, Marc Bourcier, Alain Brassard, Vahid Djamei, Jan Dutz, Ralph George, Mondana Ghias, Melinda Gooderham, Iltefat Hamzavi, Lauren K Hoffman, Angela Hou, Howard Hu, Alexa Boer Kimball, Mark Kirchhof, Darya Kryzskaya, Maria Del Carmen Liy Wong, Michelle A Lowes, Charles W Lynde, Chelsea McLellen, Errol Prens, Lisette Prens, Tetyana Rogalska, R Gary Sibbald, Mia Sisic, Marcus G Tan, Dennis D Wong
The Symposium on Hidradenitis Suppurativa Advances (SHSA) took place on 22-23 October 2016 at Women's College Hospital in Toronto, Canada. This symposium was a joint meeting of the Canadian Hidradenitis Suppurativa Foundation (CHSF), and the Hidradenitis Suppurativa Foundation (HSF Inc.) founded in USA. The purpose of this meeting was to gather well-known researchers from different disciplines to discuss most recent innovations, practical challenges and potential solutions to issues related to management and care of HS patients...
September 12, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28888664/regulatory-t-cells-and-tlr9-activation-shape-antibody-formation-to-a-secreted-transgene-product-in-aav-muscle-gene-transfer
#2
Roland W Herzog, Mario Cooper, George Q Perrin, Moanaro Biswas, Ashley T Martino, Laurence Morel, Cox Terhorst, Brad E Hoffman
Adeno-associated viral (AAV) gene delivery to skeletal muscle is being explored for systemic delivery of therapeutic proteins. To better understand the signals that govern antibody formation against secreted transgene products in this approach, we administered an intramuscular dose of AAV1 vector expressing human coagulation factor IX (hFIX), which does not cause antibody formation against hFIX in C57BL/6 mice. Interestingly, co-administration of a TLR9 agonist (CpG-deoxyoligonucleotide, ODN) but not of lipopolysaccharide, caused a transient anti-hFIX response...
August 1, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28843370/a-phase-ii-study-of-preoperative-capecitabine-and-concomitant-radiation-in-women-with-advanced-breast-cancer
#3
Wendy A Woodward, Penny Fang, Lisa Arriaga, Hui Gao, Evan N Cohen, James M Reuben, Vicente Valero, Huong Le-Petross, Lavinia P Middleton, Gildy V Babiera, Eric A Strom, Welela Tereffe, Karen Hoffman, Benjamin D Smith, Thomas A Buchholz, George H Perkins
PURPOSE: To examine the response rate of gross chemo-refractory breast cancer treated with concurrent capecitabine (CAP) and radiation therapy in a prospective Phase II study. METHODS AND MATERIALS: Breast cancer patients with inoperable disease after chemotherapy, residual nodal disease after definitive surgical resection, unresectable chest wall or nodal recurrence after a prior mastectomy, or oligometastatic disease were eligible. Response by RECIST criteria was assessed after 45 Gy...
May 3, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28766219/a-10-year-experience-with-mastectomy-and-tissue-expander-placement-to-facilitate-subsequent-radiation-and-reconstruction
#4
Zeina Ayoub, Eric A Strom, Valentina Ovalle, George H Perkins, Wendy A Woodward, Welela Tereffe, Benjamin D Smith, Simona F Shaitelman, Michael C Stauder, Karen E Hoffman, Sarah M DeSnyder, Patrick B Garvey, Mark W Clemens, Carlos H Barcenas, Henry M Kuerer, Steven Kronowitz
BACKGROUND: An integrated approach to skin sparing mastectomy with tissue expander placement followed by radiotherapy and delayed reconstruction was initiated in our institution in 2002. The purpose of this study was to assess the surgical outcomes of this strategy. METHODS: Between September 2002 and August 2013, a total of 384 reconstructions had a tissue expander placed at the time of mastectomy and subsequently underwent radiotherapy. Rates and causes of tissue expander explantation before, during, and after radiotherapy, as well as tumor specific outcomes and reconstruction approaches, were collected...
August 1, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28724990/large-meta-analysis-of-genome-wide-association-studies-identifies-five-loci-for-lean-body-mass
#5
M Carola Zillikens, Serkalem Demissie, Yi-Hsiang Hsu, Laura M Yerges-Armstrong, Wen-Chi Chou, Lisette Stolk, Gregory Livshits, Linda Broer, Toby Johnson, Daniel L Koller, Zoltán Kutalik, Jian'an Luan, Ida Malkin, Janina S Ried, Albert V Smith, Gudmar Thorleifsson, Liesbeth Vandenput, Jing Hua Zhao, Weihua Zhang, Ali Aghdassi, Kristina Åkesson, Najaf Amin, Leslie J Baier, Inês Barroso, David A Bennett, Lars Bertram, Rainer Biffar, Murielle Bochud, Michael Boehnke, Ingrid B Borecki, Aron S Buchman, Liisa Byberg, Harry Campbell, Natalia Campos Obanda, Jane A Cauley, Peggy M Cawthon, Henna Cederberg, Zhao Chen, Nam H Cho, Hyung Jin Choi, Melina Claussnitzer, Francis Collins, Steven R Cummings, Philip L De Jager, Ilja Demuth, Rosalie A M Dhonukshe-Rutten, Luda Diatchenko, Gudny Eiriksdottir, Anke W Enneman, Mike Erdos, Johan G Eriksson, Joel Eriksson, Karol Estrada, Daniel S Evans, Mary F Feitosa, Mao Fu, Melissa Garcia, Christian Gieger, Thomas Girke, Nicole L Glazer, Harald Grallert, Jagvir Grewal, Bok-Ghee Han, Robert L Hanson, Caroline Hayward, Albert Hofman, Eric P Hoffman, Georg Homuth, Wen-Chi Hsueh, Monica J Hubal, Alan Hubbard, Kim M Huffman, Lise B Husted, Thomas Illig, Erik Ingelsson, Till Ittermann, John-Olov Jansson, Joanne M Jordan, Antti Jula, Magnus Karlsson, Kay-Tee Khaw, Tuomas O Kilpeläinen, Norman Klopp, Jacqueline S L Kloth, Heikki A Koistinen, William E Kraus, Stephen Kritchevsky, Teemu Kuulasmaa, Johanna Kuusisto, Markku Laakso, Jari Lahti, Thomas Lang, Bente L Langdahl, Lenore J Launer, Jong-Young Lee, Markus M Lerch, Joshua R Lewis, Lars Lind, Cecilia Lindgren, Yongmei Liu, Tian Liu, Youfang Liu, Östen Ljunggren, Mattias Lorentzon, Robert N Luben, William Maixner, Fiona E McGuigan, Carolina Medina-Gomez, Thomas Meitinger, Håkan Melhus, Dan Mellström, Simon Melov, Karl Michaëlsson, Braxton D Mitchell, Andrew P Morris, Leif Mosekilde, Anne Newman, Carrie M Nielson, Jeffrey R O'Connell, Ben A Oostra, Eric S Orwoll, Aarno Palotie, Stephan Parker, Munro Peacock, Markus Perola, Annette Peters, Ozren Polasek, Richard L Prince, Katri Räikkönen, Stuart H Ralston, Samuli Ripatti, John A Robbins, Jerome I Rotter, Igor Rudan, Veikko Salomaa, Suzanne Satterfield, Eric E Schadt, Sabine Schipf, Laura Scott, Joban Sehmi, Jian Shen, Chan Soo Shin, Gunnar Sigurdsson, Shad Smith, Nicole Soranzo, Alena Stančáková, Elisabeth Steinhagen-Thiessen, Elizabeth A Streeten, Unnur Styrkarsdottir, Karin M A Swart, Sian-Tsung Tan, Mark A Tarnopolsky, Patricia Thompson, Cynthia A Thomson, Unnur Thorsteinsdottir, Emmi Tikkanen, Gregory J Tranah, Jaakko Tuomilehto, Natasja M van Schoor, Arjun Verma, Peter Vollenweider, Henry Völzke, Jean Wactawski-Wende, Mark Walker, Michael N Weedon, Ryan Welch, H-Erich Wichman, Elisabeth Widen, Frances M K Williams, James F Wilson, Nicole C Wright, Weijia Xie, Lei Yu, Yanhua Zhou, John C Chambers, Angela Döring, Cornelia M van Duijn, Michael J Econs, Vilmundur Gudnason, Jaspal S Kooner, Bruce M Psaty, Timothy D Spector, Kari Stefansson, Fernando Rivadeneira, André G Uitterlinden, Nicholas J Wareham, Vicky Ossowski, Dawn Waterworth, Ruth J F Loos, David Karasik, Tamara B Harris, Claes Ohlsson, Douglas P Kiel
Lean body mass, consisting mostly of skeletal muscle, is important for healthy aging. We performed a genome-wide association study for whole body (20 cohorts of European ancestry with n = 38,292) and appendicular (arms and legs) lean body mass (n = 28,330) measured using dual energy X-ray absorptiometry or bioelectrical impedance analysis, adjusted for sex, age, height, and fat mass. Twenty-one single-nucleotide polymorphisms were significantly associated with lean body mass either genome wide (p < 5 × 10(-8)) or suggestively genome wide (p < 2...
July 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28707983/signs-of-gas-trapping-in-normal-lung-density-regions-in-smokers
#6
Sandeep Bodduluri, Joseph M Reinhardt, Eric A Hoffman, John D Newell, Hrudaya Nath, Mark T Dransfield, Surya P Bhatt
RATIONALE: A substantial proportion of subjects without overt airflow obstruction have significant respiratory morbidity and structural abnormalities on computed tomography (CT). Whether regions of the lung that appear normal using traditional CT criteria have mild disease is not known. OBJECTIVE: To identity subthreshold structural disease in normal appearing lung regions in smokers. METHODS: We analyzed 8034 subjects with complete inspiratory and expiratory CT data participating in COPDGene including 103 lifetime non-smokers...
July 14, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28661698/the-role-of-chest-computed-tomography-in-the-evaluation-and-management-of-the-patient-with-copd
#7
Wassim W Labaki, Carlos H Martinez, Fernando J Martinez, Craig J Galbán, Brian D Ross, George R Washko, R Graham Barr, Elizabeth A Regan, Harvey O Coxson, Eric A Hoffman, John D Newell, Douglas Curran-Everett, James C Hogg, James D Crapo, David A Lynch, Ella A Kazerooni, MeiLan K Han
Chronic obstructive pulmonary disease (COPD) exhibits significant heterogeneity in clinical presentation and rate of disease progression, owing at least in part to differing underlying morphologic abnormalities. Symptom assessment and spirometry have traditionally been used to determine disease severity and guide management. However, chest computed tomography (CT) is a widely available and increasingly used imaging modality that can provide additional insight into structural and pathophysiologic pulmonary parameters...
June 29, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28612468/decision-making-processes-among-men-with-low-risk-prostate-cancer-a-survey-study
#8
Richard M Hoffman, Stephen K Van Den Eeden, Kimberly M Davis, Tania Lobo, George Luta, Jun Shan, David Aaronson, David F Penson, Amethyst D Leimpeter, Kathryn L Taylor
OBJECTIVE: To characterize decision-making processes and outcomes among men expressing early-treatment preferences for low-risk prostate cancer. METHODS: We conducted telephone surveys of men newly diagnosed with low-risk prostate cancer in 2012 to 2014. We analyzed subjects who had discussed prostate cancer treatment with a clinician and expressed a treatment preference. We asked about decision-making processes, including physician discussions, prostate-cancer knowledge, decision-making styles, treatment preference, and decisional conflict...
June 13, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28521775/genome-wide-association-study-of-subclinical-interstitial-lung-disease-in-mesa
#9
Ani Manichaikul, Xin-Qun Wang, Li Sun, Josée Dupuis, Alain C Borczuk, Jennifer N Nguyen, Ganesh Raghu, Eric A Hoffman, Suna Onengut-Gumuscu, Emily A Farber, Joel D Kaufman, Dan Rabinowitz, Karen D Hinckley Stukovsky, Steven M Kawut, Gary M Hunninghake, George R Washko, George T O'Connor, Stephen S Rich, R Graham Barr, David J Lederer
BACKGROUND: We conducted a genome-wide association study (GWAS) of subclinical interstitial lung disease (ILD), defined as high attenuation areas (HAA) on CT, in the population-based Multi-Ethnic Study of Atherosclerosis Study. METHODS: We measured the percentage of high attenuation areas (HAA) in the lung fields on cardiac CT scan defined as voxels with CT attenuation values between -600 and -250 HU. Genetic analyses were performed in MESA combined across race/ethnic groups: non-Hispanic White (n = 2,434), African American (n = 2,470), Hispanic (n = 2,065) and Chinese (n = 702), as well as stratified by race/ethnicity...
May 18, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28471517/the-duffy-antigen-receptor-for-chemokines-regulates-asthma-pathophysiology
#10
D G Chapman, E B Mougey, J L Van der Velden, K G Lahue, M Aliyeva, N Daphtary, K L George, S M Hoffman, R W Schneider, R P Tracy, G S Worthen, M E Poynter, S P Peters, J J Lima, Y M W Janssen-Heininger, C G Irvin
BACKGROUND: The Duffy antigen receptor for chemokines (DARC) is an atypical receptor that regulates pro-inflammatory cytokines. However, the role of DARC in asthma pathophysiology is unknown. OBJECTIVE: To determine the role of DARC in allergic airways disease in mice, and the association between DARC single nucleotide polymorphisms (SNPs) and clinical outcomes in patients with asthma. METHODS: Mice with targeted disruption of the Darc gene (Darc(∆E2) ) or WT mice were challenged over 3 weeks with house dust mite (HDM) antigen...
September 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28468798/plasmacytoid-and-conventional-dendritic-cells-cooperate-in-crosspriming-aav-capsid-specific-cd8-t-cells
#11
Geoffrey L Rogers, Jamie L Shirley, Irene Zolotukhin, Sandeep R P Kumar, Alexandra Sherman, George Q Perrin, Brad E Hoffman, Arun Srivastava, Etiena Basner-Tschakarjan, Mark A Wallet, Cox Terhorst, Moanaro Biswas, Roland W Herzog
Adeno-associated virus (AAV) is a replication-deficient parvovirus that is extensively used as a gene therapy vector. CD8(+) T-cell responses against the AAV capsid protein can, however, affect therapeutic efficacy. Little is known about the in vivo mechanism that leads to the crosspriming of CD8(+) T cells against the input viral capsid antigen. In this study, we report that the Toll-like receptor 9 (TLR9)-MyD88 pattern-recognition receptor pathway is uniquely capable of initiating this response. By contrast, the absence of TLR2, STING, or the addition of TLR4 agonist has no effect...
June 15, 2017: Blood
https://www.readbyqxmd.com/read/28454988/physicians-perceptions-of-factors-influencing-the-treatment-decision-making-process-for-men-with-low-risk-prostate-cancer
#12
Kimberly Davis, Paula Bellini, Charlotte Hagerman, Riley Zinar, Daniel Leigh, Richard Hoffman, David Aaronson, Stephen Van Den Eeden, George Philips, Kathryn Taylor
OBJECTIVE: To assess physicians' attitudes regarding multiple factors that may influence recommendations for active surveillance (AS) vs active treatment (AT) given the central role physicians play in the treatment decision-making process. MATERIALS AND METHODS: We conducted semistructured interviews to assess factors that physicians consider important when recommending AS vs AT, as well as physicians' perceptions of what their patients consider important in the decision...
April 25, 2017: Urology
https://www.readbyqxmd.com/read/28404971/association-between-tumor-architecture-derived-from-generalized-q-space-mri-and-survival-in-glioblastoma
#13
Erik N Taylor, Yao Ding, Shan Zhu, Eric Cheah, Phillip Alexander, Leon Lin, George E Aninwene, Matthew P Hoffman, Anita Mahajan, Abdallah S R Mohamed, Nathan McDannold, Clifton D Fuller, Clark C Chen, Richard J Gilbert
While it is recognized that the overall resistance of glioblastoma to treatment may be related to intra-tumor patterns of structural heterogeneity, imaging methods to assess such patterns remain rudimentary. METHODS: We utilized a generalized Q-space imaging (GQI) algorithm to analyze magnetic resonance imaging (MRI) derived from a rodent model of glioblastoma and 2 clinical datasets to correlate GQI, histology, and survival. RESULTS: In a rodent glioblastoma model, GQI demonstrated a poorly coherent core region, consisting of diffusion tracts <5 mm, surrounded by a shell of highly coherent diffusion tracts, 6-25 mm...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28362108/alpha-1-antitrypsin-deficient-macrophages-have-increased-matriptase-mediated-proteolytic-activity
#14
Karina Krotova, George W Marek, Rejean L Wang, George Aslanidi, Brad E Hoffman, Nazli Khodayari, Farshid N Rouhani, Mark L Brantly
Alpha-1 antitrypsin (AAT) deficiency-associated emphysema is largely attributed to insufficient inhibition of neutrophil elastase released from neutrophils. Correcting AAT levels using augmentation therapy only slows disease progression, and that suggests a more complex process of lung destruction. Because alveolar macrophages (Mɸ) express AAT, we propose that the expression and intracellular accumulation of mutated Z-AAT (the most common mutation) compromises Mɸ function and contributes to emphysema development...
August 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28320597/racial-or-ethnic-and-socioeconomic-inequalities-in-adherence-to-national-dietary-guidance-in-a-large-cohort-of-us-pregnant-women
#15
MULTICENTER STUDY
Lisa M Bodnar, Hyagriv N Simhan, Corette B Parker, Heather Meier, Brian M Mercer, William A Grobman, David M Haas, Deborah A Wing, Matthew K Hoffman, Samuel Parry, Robert M Silver, George R Saade, Ronald Wapner, Jay D Iams, Pathik D Wadhwa, Michal Elovitz, Alan M Peaceman, Sean Esplin, Shannon Barnes, Uma M Reddy
BACKGROUND: The significance of periconceptional nutrition for optimizing offspring and maternal health and reducing social inequalities warrants greater understanding of diet quality among US women. OBJECTIVE: Our objective was to evaluate racial or ethnic and education inequalities in periconceptional diet quality and sources of energy and micronutrients. DESIGN: Cross-sectional analysis of data from the Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-Be cohort...
June 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28319090/a-single-copy-sleeping-beauty-transposon-mutagenesis-screen-identifies-new-pten-cooperating-tumor-suppressor-genes
#16
Jorge de la Rosa, Julia Weber, Mathias Josef Friedrich, Yilong Li, Lena Rad, Hannes Ponstingl, Qi Liang, Sandra Bernaldo de Quirós, Imran Noorani, Emmanouil Metzakopian, Alexander Strong, Meng Amy Li, Aurora Astudillo, María Teresa Fernández-García, María Soledad Fernández-García, Gary J Hoffman, Rocío Fuente, George S Vassiliou, Roland Rad, Carlos López-Otín, Allan Bradley, Juan Cadiñanos
The overwhelming number of genetic alterations identified through cancer genome sequencing requires complementary approaches to interpret their significance and interactions. Here we developed a novel whole-body insertional mutagenesis screen in mice, which was designed for the discovery of Pten-cooperating tumor suppressors. Toward this aim, we coupled mobilization of a single-copy inactivating Sleeping Beauty transposon to Pten disruption within the same genome. The analysis of 278 transposition-induced prostate, breast and skin tumors detected tissue-specific and shared data sets of known and candidate genes involved in cancer...
May 2017: Nature Genetics
https://www.readbyqxmd.com/read/28291893/predictive-accuracy-of-serial-transvaginal-cervical-lengths-and-quantitative-vaginal-fetal-fibronectin-levels-for-spontaneous-preterm-birth-among-nulliparous-women
#17
M Sean Esplin, Michal A Elovitz, Jay D Iams, Corette B Parker, Ronald J Wapner, William A Grobman, Hyagriv N Simhan, Deborah A Wing, David M Haas, Robert M Silver, Matthew K Hoffman, Alan M Peaceman, Steve N Caritis, Samuel Parry, Pathik Wadhwa, Tatiana Foroud, Brian M Mercer, Shannon M Hunter, George R Saade, Uma M Reddy
Importance: Spontaneous preterm birth is a leading cause of infant mortality. Prediction, largely based on prior pregnancy outcomes, is not possible in women pregnant for the first time. Objective: To assess the accuracy of universal screening to predict spontaneous preterm birth in nulliparous women using serial measurements of vaginal fetal fibronectin levels and cervical length. Design, Settings, and Participants: A prospective observational cohort study of nulliparous women with singleton pregnancies, from 8 clinical sites across the United States between October 2010 and May 2014...
March 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28257758/cognition-in-female-rats-after-blocking-conversion-of-androgens-to-estrogens
#18
George T Taylor, Francesca M Manzella, Jacob Huffman, Omar H Cabrera, Jessica Hoffman
Women and non-human females have surprisingly high levels of circulating testosterone, yet the effects of androgens on non-reproductive behaviors, including cognition, of females are not well characterized. The current project used an aromatase inhibitor, letrozole, to block conversion of androgens to estrogens. Adult female rats were ovariectomized and administered either vehicle only, testosterone propionate only (400μg/kg, TP only), letrozole only (1mg/kg, Letro only), or the combination of letrozole and testosterone (TP+Letro) over 4weeks...
March 12, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28211105/joint-reconstruction-of-ictal-inter-ictal-spect-data-for-improved-epileptic-foci-localization
#19
Yothin Rakvongthai, Frederic Fahey, Korn Borvorntanajanya, Supatporn Tepmongkol, Usanee Vutrapongwatana, Katherine Zukotynski, Georges El Fakhri, Jinsong Ouyang
PURPOSE: To improve the performance for localizing epileptic foci, we have developed a joint ictal/inter-ictal SPECT reconstruction method in which ictal and inter-ictal SPECT projections are simultaneously reconstructed to obtain the differential image. METHODS: We have developed a SPECT reconstruction method that jointly reconstructs ictal and inter-ictal SPECT projection data. We performed both phantom and patient studies to evaluate the performance of our joint method for epileptic foci localization as compared with the conventional subtraction method in which the differential image is obtained by subtracting the inter-ictal image from the co-registered ictal image...
April 2017: Medical Physics
https://www.readbyqxmd.com/read/28121140/-13-c-endor-spectroscopy-of-lipoxygenase-substrate-complexes-reveals-the-structural-basis-for-c-h-activation-by-tunneling
#20
Masaki Horitani, Adam R Offenbacher, Cody A Marcus Carr, Tao Yu, Veronika Hoeke, George E Cutsail, Sharon Hammes-Schiffer, Judith P Klinman, Brian M Hoffman
In enzymatic C-H activation by hydrogen tunneling, reduced barrier width is important for efficient hydrogen wave function overlap during catalysis. For native enzymes displaying nonadiabatic tunneling, the dominant reactive hydrogen donor-acceptor distance (DAD) is typically ca. 2.7 Å, considerably shorter than normal van der Waals distances. Without a ground state substrate-bound structure for the prototypical nonadiabatic tunneling system, soybean lipoxygenase (SLO), it has remained unclear whether the requisite close tunneling distance occurs through an unusual ground state active site arrangement or by thermally sampling conformational substates...
February 8, 2017: Journal of the American Chemical Society
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