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Chaya Shwaartz, Adam C Fields, Jake G Prigoff, Jeffrey J Aalberg, Celia M Divino
BACKGROUND: Up to 20% of patients with colorectal cancer present with obstruction. The goal of this study was to compare the short-term outcomes of patients with obstructing colon cancer who underwent resection and primary anastomosis with or without proximal diversion. METHODS: The American College of Surgeons' National Surgical Quality Improvement Program Procedure Targeted Colectomy databases from 2012 to 2014 were reviewed. Patients undergoing colorectal resection with or without diverting ostomy for obstructing colorectal cancer were analyzed...
September 2, 2016: American Journal of Surgery
Chaya Shwaartz, Adam C Fields, Jeffrey J Aalberg, Celia M Divino
BACKGROUND: The value of drain placement in hepatic surgery has not been conclusive. The aim of this study was to determine whether drain placement during major hepatectomy was associated with negative postoperative outcomes and whether its placement reduced the need for secondary procedures. METHODS: The American College of Surgeons National Surgical Quality Improvement Program Procedure-Targeted Hepatectomy Database was used to identify patients who underwent major hepatectomy...
October 13, 2016: World Journal of Surgery
Ritu Tiwari, Chaya Manoranjini David, Datturao Ramanand Mahesh, Uma Sambargi, Kademadkal Javaraiah Rashmi, Prabhavati Benakanal
Potentially malignant disorders (PMDs) of oral cavity and oral cancer remain a cause of serious concern despite intensive research and development. Diet and immunity have been identified to play a crucial role as modifying factors in these diseases. Our study intended to explore this relationship by estimating and comparing the serum levels of copper, iron and circulating immune complexes (CICs) in patients diagnosed with PMDs and oral cancer and normal healthy individuals. In this study, 40 histopathologically diagnosed cases of PMDs and oral cancer were included along with 30 healthy controls and 5 ml of venous blood was drawn using venipuncture...
October 10, 2016: Brazilian Oral Research
Gila Kazimirsky, Wei Jiang, Shimon Slavin, Amotz Ziv-Av, Chaya Brodie
BACKGROUND: Newcastle disease virus (NDV) is an avian paramyxovirus, which selectively exerts oncolytic effects in cancer cells. Mesenchymal stem cells (MSCs) have been reported to affect tumor growth and deliver anti-tumor agents to experimental glioblastoma (GBM). Here, we explored the effects of NDV-infected MSCs derived from different sources, on glioma cells and glioma stem cells (GSCs) and the mechanisms involved in their effects. METHODS: The glioma cell lines (A172 and U87) and primary GSCs that were generated from GBM tumors were used in this study...
October 10, 2016: Stem Cell Research & Therapy
Rinat Meir, Oshra Betzer, Menachem Motiei, Noam Kronfeld, Chaya Brodie, Rachela Popovtzer
Contradictory results in clinical trials are preventing the advancement and implementation of cell-based therapy. To explain such results, there is a need to uncover the mystery regarding the fate of the transplanted cells. To answer this need, we developed a technique for noninvasive in vivo cell tracking, which uses gold nanoparticles as contrast agents for CT imaging. Herein, we investigate the design principles of this technique for intramuscular transplantation of therapeutic cells. Longitudinal studies were performed, displaying the ability to track cells over long periods of time...
October 6, 2016: Nanomedicine: Nanotechnology, Biology, and Medicine
Hisashi Nomura, Takeru Funakoshi, Ayaka Chaya, Akiko Tanikawa, Yuji Miyamoto, Norihisa Ishii
No abstract text is available yet for this article.
October 6, 2016: European Journal of Dermatology: EJD
Lisa Wickerson, Dmitry Rozenberg, Tania Janaudis-Ferreira, Robin Deliva, Vincent Lo, Gary Beauchamp, Denise Helm, Chaya Gottesman, Polyana Mendes, Luciana Vieira, Margaret Herridge, Lianne G Singer, Sunita Mathur
Physical rehabilitation of lung transplant candidates and recipients plays an important in optimizing physical function prior to transplant and facilitating recovery of function post-transplant. As medical and surgical interventions in lung transplantation have evolved over time, there has been a demographic shift of individuals undergoing lung transplantation including older individuals, those with multiple co-morbidites, and candidates with respiratory failure requiring bridging to transplantation. These changes have an impact on the rehabilitation needs of lung transplant candidates and recipients...
September 24, 2016: World Journal of Transplantation
Meriam Boubakri, Taro Chaya, Hiromi Hirata, Naoko Kajimura, Ryusuke Kuwahara, Akiko Ueno, Jarema Malicki, Takahisa Furukawa, Yoshihiro Omori
In the retina, aberrant opsin transport from cell bodies to outer segments leads to retinal degenerative diseases such as retinitis pigmentosa. Opsin transport is facilitated by the intraflagellar transport (IFT) system which mediates the bidirectional movement of proteins within cilia. In contrast to functions of the anterograde transport executed by IFT complex B (IFT-B), the precise functions of the retrograde transport mediated by IFT complex A (IFT-A) have not been well studied in photoreceptor cilia. Here, we analyzed developing zebrafish larvae carrying a null mutation in ift122 encoding a component of IFT-A...
September 28, 2016: Journal of Biological Chemistry
Teruyuki Mizutani, Osamu Yamamuro, Noriko Kato, Kazumasa Hayashi, Junya Chaya, Norihiko Goto, Toyonori Tsuzuki
•We analyzed the epidemiological factors for clinical manifestations of uterine adenomatoid tumors.•Renal transplantation with immunosuppression therapy is risk factor for the development of uterine adenomatoid tumors.•The length of time on dialysis is risk factor for the development of uterine adenomatoid tumors.
August 2016: Gynecologic Oncology Reports
Satoshi Shibata, Tsubasa Kawanai, Takayuki Hara, Asuka Yamamoto, Taro Chaya, Yasunori Tokuhara, Chinami Tsuji, Manabu Sakai, Taro Tachibana, Shinobu Inagaki
The function of ARHGEF10, a known guanine nucleotide exchange factor (GEF) for RhoA with proposed roles in various diseases, is poorly understood. To understand the precise function of this protein, we raised a monoclonal antibody against ARHGEF10 and determined its localization in HeLa cells. ARHGEF10 was found to localize to vesicles containing Rab6 (of which there are three isoforms, Rab6a, Rab6b and Rab6c), Rab8 (of which there are two isoforms, Rab8a and Rab8b), and/or the secretion marker neuropeptide Y (NPY)-Venus in a Rab6-dependent manner...
October 1, 2016: Journal of Cell Science
Jesse P Frumkin, Biranchi N Patra, Anthony Sevold, Kumkum Ganguly, Chaya Patel, Stephanie Yoon, Molly B Schmid, Animesh Ray
Chromosome stability models are usually qualitative models derived from molecular-genetic mechanisms for DNA repair, DNA synthesis, and cell division. While qualitative models are informative, they are also challenging to reformulate as precise quantitative models. In this report we explore how (A) laboratory experiments, (B) quantitative simulation, and (C) seriation algorithms can inform models of chromosome stability. Laboratory experiments were used to identify 19 genes that when over-expressed cause chromosome instability in the yeast Saccharomyces cerevisiae To better understand the molecular mechanisms by which these genes act, we explored their genetic interactions with 18 deletion mutations known to cause chromosome instability...
September 30, 2016: Nucleic Acids Research
Gergely Kacso, Dora Ravasz, Judit Doczi, Beáta Németh, Ory Madgar, Ann Saada, Polina Ilin, Chaya Miller, Elsebet Ostergaard, Iordan Iordanov, Daniel Adams, Zsuzsanna Vargedo, Masatake Araki, Kimi Araki, Mai Nakahara, Haruka Ito, Aniko Gál, Mária J Molnár, Zsolt Nagy, Attila Patocs, Vera Adam-Vizi, Christos Chinopoulos
Succinate-CoA ligase (SUCL) is a heterodimer enzyme composed of Suclg1 α-subunit and a substrate-specific Sucla2 or Suclg2 β-subunit yielding ATP or GTP, respectively. In humans, the deficiency of this enzyme leads to encephalomyopathy with or without methylmalonyl aciduria, in addition to resulting in mitochondrial DNA depletion. We generated mice lacking either one Sucla2 or Suclg2 allele. Sucla2 heterozygote mice exhibited tissue- and age-dependent decreases in Sucla2 expression associated with decreases in ATP-forming activity, but rebound increases in cardiac Suclg2 expression and GTP-forming activity...
October 15, 2016: Biochemical Journal
Chaya Greenberger, Pnina Mor
BACKGROUND: There is a consensus among the halachic authorities that life-saving actions override Sabbath prohibitions. They are painstaking in securing that the sanctity of the Sabbath is maintained but that not a single life be lost. OBJECTIVE: This manuscript examines if and when a relative's presence at the bedside of a seriously ill individual is potentially life-saving against the backdrop of the scientific literature. It specifically addresses the permissibility of traveling in a motorized vehicle, generally prohibited on the Sabbath, to be with one's relative in hospital for the provision of emotional support...
2016: Rambam Maimonides Medical Journal
Wei Jiang, Susan Finniss, Simona Cazacu, Cunli Xiang, Ziv Brodie, Tom Mikkelsen, Laila Poisson, David B Shackelford, Chaya Brodie
Glioblastoma (GBM) is the most aggressive primary brain tumor with poor prognosis. Here, we studied the effects of phenformin, a mitochondrial complex I inhibitor and more potent chemical analog of the diabetes drug metformin on the inhibition of cell growth and induction of apoptosis of glioma stem cells (GSCs) using both in vitro and in vivo models. Phenformin inhibited the self-renewal of GSCs, decreased the expression of stemness and mesenchymal markers and increased the expression of miR-124, 137 and let-7...
July 29, 2016: Oncotarget
Reut Shainer, Osnat Almogi-Hazan, Arye Berger, Liad Hinden, Martin Mueller, Chaya Brodie, Cedric Simillion, Michael Paidas, Eytan R Barnea, Reuven Or
Acute Radiation Syndrome (ARS) may lead to cancer and death and has few effective countermeasures. Efficacy of synthetic PIF treatment was demonstrated in preclinical autoimmune and transplantation models. PIF protected against inflammation and mortality following lethal irradiation in allogeneic bone marrow transplant (BMT) model. Herein, we demonstrate that PIF imparts comprehensive local and systemic protection against lethal and sub-lethal ARS in murine models. PIF treatment 2 h after lethal irradiation led to 100% survival and global hematopoietic recovery at 2 weeks after therapy...
July 16, 2016: Oncotarget
Chaya Shwaartz, Adam C Fields, Maximiliano Sobrero, Brian D Cohen, Celia M Divino
BACKGROUND: Anti-tumor necrosis factor (TNF) agents have been an integral part in the treatment of inflammatory bowel disease. However, a subset of inflammatory bowel disease patients ultimately requires surgery and up to 30 % of them have undergone treatment with anti-TNF agents. Studies assessing the effect of anti-TNF agents on postoperative outcomes have been inconsistent. The aim of this study is to assess postoperative morbidity in inflammatory bowel disease patients who underwent surgery with anti-TNF therapy prior to surgery...
September 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
Julie Sogani, Elizabeth A Morris, Jennifer B Kaplan, Donna D'Alessio, Debra Goldman, Chaya S Moskowitz, Maxine S Jochelson
Purpose To assess the extent of background parenchymal enhancement (BPE) at contrast material-enhanced (CE) spectral mammography and breast magnetic resonance (MR) imaging, to evaluate interreader agreement in BPE assessment, and to examine the relationships between clinical factors and BPE. Materials and Methods This was a retrospective, institutional review board-approved, HIPAA-compliant study. Two hundred seventy-eight women from 25 to 76 years of age with increased breast cancer risk who underwent CE spectral mammography and MR imaging for screening or staging from 2010 through 2014 were included...
July 4, 2016: Radiology
Chaya R Spears Johnson, Anne E Kraemer Diaz, Thomas A Arcury
Community-based participatory research (CBPR) seeks to conduct relevant, sustainable research that is tailored to the needs of the communities with which it is engaged through equitable collaboration between community representatives and professional researchers. Like other participatory approaches to research and planning, CBPR has been criticized for the potential to engage a biased sample of community representatives and, thereby, undermine the fundamental purpose of the approach. Moreover, the varying educational levels and areas of expertise, especially regarding science literacy, among those participating in CBPR has raised concern about the ability for true collaboration to exist within CBPR projects...
June 6, 2016: Health Education & Behavior: the Official Publication of the Society for Public Health Education
Chaya A Babu Kandregula, G Smilin Bell Aseervatham, Gary T Bentley, Ruckmani Kandasamy
No abstract text is available yet for this article.
August 1, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
Chaya Murali
No abstract text is available yet for this article.
May 23, 2016: Current Problems in Pediatric and Adolescent Health Care
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