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Ascites approach

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https://www.readbyqxmd.com/read/28717943/a-pyrrole-based-natural-small-molecule-mitigates-hsp90-expression-in-mda-mb-231-cells-and-inhibits-tumor-angiogenesis-in-mice-by-inactivating-hsf-1
#1
K C Rashmi, H S Atreya, M Harsha Raj, Bharathi P Salimath, H S Aparna
Heat shock proteins (HSPs), molecular chaperones, are crucial for the cancer cells to facilitate proper functioning of various oncoproteins involved in cell survival, proliferation, migration, and tumor angiogenesis. Tumor cells are said to be "addicted" to HSPs. HSPs are overexpressed in many cancers due to upregulation of transcription factor Heat-shock factor 1 (HSF-1), the multifaceted master regulator of heat shock response. Therefore, pharmacological targeting of HSPs via HSF-1 is an effective strategy to treat malignant cancers like triple negative breast cancer...
July 17, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28717029/the-metabolite-transporter-peg344-is-required-for-the-full-virulence-of-the-hypervirulent-klebsiella-pneumoniae-strain-hvkp1-after-pulmonary-but-not-subcutaneous-challenge
#2
Jeffrey Bulger, Ulrike MacDonald, Ruth Olson, Janet Beanan, Thomas A Russo
Hypervirulent Klebsiella pneumoniae (hvKP) is an emerging pathotype that is capable of causing tissue-invasive, organ and life threatening infections in healthy individuals from the community. Knowledge on the virulence factors specific to hvKP is limited. In this report we describe a new factor (PEG344) that increases the virulence of the hvKP strain hvKP1. peg344 is present on the hvKP1 virulence plasmid, is broadly prevalent among hvKP strains, and has increased RNA abundance when grown in human ascites...
July 17, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28672746/study-of-kallikrein-related-peptidase-6-klk6-and-its-complex-with-%C3%AE-1-antitrypsin-in-biological-fluids
#3
Dimitrios Korbakis, Antoninus Soosaipillai, Eleftherios P Diamandis
BACKGROUND: Human kallikrein-related peptidase 6 (KLK6) is a member of the kallikrein family of serine proteases. KLK6 is synthesized as a preproenzyme, mainly in tissues of the central nervous system (CNS), and secreted as an inactive precursor. Serum KLK6 is a biomarker of unfavorable prognosis for ovarian cancer, but its sensitivity for early detection is relatively low. Differential glycosylation of KLK6 has been identified in ascites fluid obtained from ovarian cancer patients, suggesting the presence of unique KLK6 isoforms in biological samples...
June 24, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28670489/heat-shock-protein-70-2-hsp70-2-a-novel-cancer-testis-antigen-that-promotes-growth-of-ovarian-cancer
#4
Namita Gupta, Nirmala Jagadish, Avadhesha Surolia, Anil Suri
Heat shock protein 70-2 (HSP70-2) is known to be involved in tumor progression. However, its molecular role and mechanism in epithelial ovarian cancer (EOC) remains unknown. In the present investigation, we examined the role of HSP70-2 in cell cycle, apoptosis and epithelial mesenchymal transition pathways in EOC cells in in vitro and in-vivo xenograft mouse model. To investigate the role of HSP70-2 in ovarian cancer, plasmid driven short hairpin RNA approach was used to examine HSP70-2 gene and protein expression in ovarian cancer cell line A-10 (origin: serous papillary cystadenocarcinoma), Caov-3 (origin: adenocarcinoma) and SKOV3 (origin: adenocarcinoma; derived from metastatic site: ascites) by RT-PCR, quantitative-PCR, immunohistochemistry and Western blotting...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28637257/effects-of-a-chromosome-9-quantitative-trait-locus-for-ascites-on-economically-important-traits-in-broilers
#5
Sriram Krishna, Katy J Tarrant, Douglas D Rhoads, Nicholas B Anthony
A quantitative trait locus on chromosome 9 was previously shown to be associated with ascites in multiple experimental and commercial populations. A study to evaluate the association of the QTL, based on variable number tandem repeat genotypes, with economically important traits was carried out on a commercial male elite line. Results indicated the highest fat and the lowest fillet mean were associated with the most resistant ascites genotype. All other traits measured for this genotype showed no trend towards positive or negatively impacting production values...
June 15, 2017: Poultry Science
https://www.readbyqxmd.com/read/28634161/oncolytic-adenovirus-expressing-bispecific-antibody-targets-t-cell-cytotoxicity-in-cancer-biopsies
#6
Joshua D Freedman, Joachim Hagel, Eleanor M Scott, Ioannis Psallidas, Avinash Gupta, Laura Spiers, Paul Miller, Nikolaos Kanellakis, Rebecca Ashfield, Kerry D Fisher, Margaret R Duffy, Leonard W Seymour
Oncolytic viruses exploit the cancer cell phenotype to complete their lytic life cycle, releasing progeny virus to infect nearby cells and repeat the process. We modified the oncolytic group B adenovirus EnAdenotucirev (EnAd) to express a bispecific single-chain antibody, secreted from infected tumour cells into the microenvironment. This bispecific T-cell engager (BiTE) binds to EpCAM on target cells and cross-links them to CD3 on T cells, leading to clustering and activation of both CD4 and CD8 T cells. BiTE transcription can be controlled by the virus major late promoter, limiting expression to cancer cells that are permissive for virus replication...
June 20, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28620570/perforated-bladder-as-a-cause-of-abdominal-ascites-in-a-patient-presenting-with-acute-onset-abdominal-pain
#7
Raj Shah, Madhuri Ramakrishnan, Beenish Ahmed, Khalil Abuamr, Osama Yousef
Bladder perforation, especially when atraumatic, is a rare cause of ascites and is often difficult to differentiate from other causes of abdominal pain and ascites in the acute setting.  A 43-year-old Caucasian woman with a history of multiple sclerosis presented with acute abdominal pain. A computed tomography (CT) scan of her abdomen and pelvis without contrast revealed ascites, acute kidney injury (AKI) was noted on laboratory workup, and very little urine was drained by Foley catheter. Over the next several days, the patient's clinical condition deteriorated with no definitive diagnosis...
May 11, 2017: Curēus
https://www.readbyqxmd.com/read/28616388/unusual-haemodynamics-in-two-dogs-and-two-cats-with-portosystemic-shunt-implications-for-distinguishing-between-congenital-and-acquired-conditions
#8
Mario Ricciardi
Extrahepatic porto-systemic shunt (PSS) in small animals can be congenital (CPSS) or acquired (APSS) as a consequence of portal hypertension (PH), and are distinguished on the bases of their anatomical pattern. A precise morphologic imaging assessment, along with clinical and histopathologic findings, is important for distinguishing patients with PH from those with congenital PSSs, which require different therapeutic approach. Expected findings in patients with PH are presence of ascites, multiple APSS, and a confirmed cause of portal flow obstruction...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28614632/high-pressure-nebulization-as-application-route-for-the-peritoneal-administration-of-sirna-complexes
#9
An-Katrien Minnaert, George R Dakwar, Juan M Benito, José M García Fernández, W Ceelen, Stefaan C De Smedt, Katrien Remaut
Peritoneal carcinomatosis is a severe form of cancer in the abdomen, currently treated with cytoreductive surgery and intravenous chemotherapy. Recently, nebulization has been proposed as a less invasive strategy for the local delivery of chemotherapeutic drugs. Also, RNA interference has been considered as a potential therapeutic approach for treatment of cancer. In this study, Lipofectamine RNAiMAX/siRNA complexes and cyclodextrin/siRNA complexes are evaluated before and after nebulization. Nebulization of the siRNA complexes does not significantly lower transfection efficiency when compared to non-nebulized complexes...
June 14, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28607529/ev-associated-mmp9-in-high-grade-serous-ovarian-cancer-is-preferentially-localized-to-annexin-v-binding-evs
#10
Agnes T Reiner, Sisareuth Tan, Christiane Agreiter, Katharina Auer, Anna Bachmayr-Heyda, Stefanie Aust, Nina Pecha, Mattias Mandorfer, Dietmar Pils, Alain R Brisson, Robert Zeillinger, Sai Kiang Lim
High-grade serous ovarian cancer (HGSOC) is the most aggressive type of ovarian cancer and is responsible for most deaths caused by gynecological cancers. Numerous candidate biomarkers were identified for this disease in the last decades, but most were not sensitive or specific enough for clinical applications. Hence, new biomarkers for HGSOC are urgently required. This study aimed to identify new markers by isolating different extracellular vesicle (EV) types from the ascites of ovarian cancer patients according to their affinities for lipid-binding proteins and analyzing their protein cargo...
2017: Disease Markers
https://www.readbyqxmd.com/read/28603226/infections-in-patients-affected-by-liver-cirrhosis-an-update
#11
Tiziana Ascione, Giusy Di Flumeri, Giovanni Boccia, Francesco De Caro
Patients with liver cirrhosis present an increased incidence of infections. The main cause has been founded in alterations of the enteric flora and of the intestinal barrier probably due to portal hypertension, in addition to a reticulo-endothelial system dysfunction. Furthermore, those living with cirrhosis can report a high predisposition to sepsis and septic shock, due to the excessive response of pro-inflammatory cytokines and a complessive hemodynamic derangement. By the analysis in the experimental model of the cirrhotic rat, it was demonstrated that radio-labelled Escherichia coli given by the oral route resulted in the location of the bacteria in the gut, the ascitic fluid and mesenteric lymph nodes, a phenomenon known as bacterial translocation...
June 1, 2017: Le Infezioni in Medicina
https://www.readbyqxmd.com/read/28596302/carcinoid-heart-disease
#12
REVIEW
Saamir A Hassan, Jose Banchs, Cezar Iliescu, Arvind Dasari, Juan Lopez-Mattei, Syed Wamique Yusuf
Rare neuroendocrine tumours (NETs) that most commonly arise in the gastrointestinal tract can lead to carcinoid syndrome and carcinoid heart disease. Patients with carcinoid syndrome present with vasomotor changes, hypermotility of the gastrointestinal system, hypotension and bronchospasm. Medical therapy for carcinoid syndrome, typically with somatostatin analogues, can help control symptoms, inhibit tumour progression and prolong survival. Carcinoid heart disease occurs in more than 50% of these patients and is the initial presentation of carcinoid syndrome in up to 20% of patients...
June 8, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28591006/assessment-of-functional-liver-reserve-old-and-new-in-99mtc-sulfur-colloid-scintigraphy
#13
Manuela M Matesan, Stephen R Bowen, Tobias R Chapman, Robert S Miyaoka, James W Velez, Michele F Wanner, Matthew J Nyflot, Smith Apisarnthanarax, Hubert J Vesselle
PURPOSE: A semiquantitative assessment of hepatic reticuloendothelial system function using colloidal particles scintigraphy has been proposed previously as a surrogate for liver function evaluation. In this article, we present an updated method for the overall assessment of technetium-99m (Tc)-sulfur colloid (SC) biodistribution that combines information from planar and attenuation-corrected Tc-SC single-photon emission computed tomography (SPECT) images. The imaging protocol described here was developed as an easy-to-implement method to assess overall and regional liver function changes associated with chronic liver disease...
June 6, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28588323/impact-of-body-mass-index-on-ovarian-cancer-survival-varies-by-stage
#14
Elisa V Bandera, Valerie S Lee, Bo Qin, Lorna Rodriguez-Rodriguez, C Bethan Powell, Lawrence H Kushi
BACKGROUND: Research on the effect of body mass index (BMI) on ovarian cancer survival is inconsistent, but previous studies did not consider the possible impact of ascites, bowel obstruction, or cachexia, which commonly occur in late-stage disease. METHODS: We evaluated the association of BMI, before and around the time of diagnosis, with overall and disease-specific survival in a cohort study of primary invasive epithelial ovarian cancers diagnosed from 2000 to 2013 in Kaiser Permanente Northern California (KPNC) (n=1184)...
July 11, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28567101/ascites-matters
#15
REVIEW
Velauthan Rudralingam, Clare Footitt, Ben Layton
The excess accumulation of intra-peritoneal fluid, referred to as ascites, is an important clue that points to a significant underlying illness. This may be due to a pathological event within the peritoneal cavity or secondary to an underlying systemic condition. Ascites is broadly classified into transudate and exudate, based on protein content, with a potential wide range of differential diagnoses. Traditionally, computed tomography has been regarded as the imaging modality of choice to demonstrate ascites and diagnose the underlying cause...
May 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/28549976/brca-mutational-status-initial-disease-presentation-and-clinical-outcome-in-high-grade-serous-advanced-ovarian-cancer-a-multicenter-study
#16
Marco Petrillo, Claudia Marchetti, Rossella De Leo, Angela Musella, Ettore Capoluongo, Ida Paris, Pierluigi Benedetti Panici, Giovanni Scambia, Anna Fagotti
BACKGROUND: In the last decades, there have been several efforts to clarify the role of BRCA mutational status in women with advanced ovarian cancer, demonstrating its role in cancer development, as well as the prognostic significance of BRCA genotype. OBJECTIVE: Our aim is to evaluate the correlation between BRCA mutational status and disease presentation in a large series of advanced high-grade serous ovarian cancer patients. STUDY DESIGN: This is a retrospective multicenter study including a consecutive series of newly diagnosed high-grade serous ovarian cancer patients with International Federation of Gynecology and Obstetrics stage IIIC-IV disease, at least 18 months of follow-up time, and tested for BRCA 1/2 germline mutation status...
May 23, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28533908/ascites-refractory-ascites-and-hyponatremia-in-cirrhosis
#17
Brett Fortune, Andres Cardenas
Ascites is the most common complication related to cirrhosis and is associated with increased morbidity and mortality. Ascites is a consequence of the loss of compensatory mechanisms to maintain the overall effective arterial blood volume due to worsening splanchnic arterial vasodilation as a result of clinically significant portal hypertension. In order to maintain effective arterial blood volume, vasoconstrictor and antinatriuretic pathways are activated, which increase overall sodium and fluid retention...
May 2017: Gastroenterology Report
https://www.readbyqxmd.com/read/28507377/spontaneous-evisceration-of-umbilical-hernia-in-a-patient-with-congenital-nephrotic-syndrome
#18
Nilufer Goknar, Gokhan Gundogdu, Mehmet Kucukkoc, Aysegul Dogan Demir, Aysel Vehapoglu, Faruk Oktem
Congenital nephrotic syndrome is a term used to describe a condition in babies who develop severe proteinuria and hypoalbuminaemia within their first three months of life. They generally have oedema and ascites from birth which, because of increased intra-abdominal pressure, can result in an umbilical hernia. The report presents a five-month old infant with congenital nephrotic syndrome who had spontaneous umbilical hernia rupture with evisceration. The approach to umbilical hernias is usually conservative, but in selected cases elective surgery may be indicated...
May 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28501971/electrolyte-and-acid-base-disturbances-in-end-stage-liver-disease-a-physiopathological-approach
#19
REVIEW
José Víctor Jiménez, Diego Luis Carrillo-Pérez, Rodrigo Rosado-Canto, Ignacio García-Juárez, Aldo Torre, David Kershenobich, Eduardo Carrillo-Maravilla
Electrolyte and acid-base disturbances are frequent in patients with end-stage liver disease; the underlying physiopathological mechanisms are often complex and represent a diagnostic and therapeutic challenge to the physician. Usually, these disorders do not develop in compensated cirrhotic patients, but with the onset of the classic complications of cirrhosis such as ascites, renal failure, spontaneous bacterial peritonitis and variceal bleeding, multiple electrolyte, and acid-base disturbances emerge. Hyponatremia parallels ascites formation and is a well-known trigger of hepatic encephalopathy; its management in this particular population poses a risky challenge due to the high susceptibility of cirrhotic patients to osmotic demyelination...
August 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28490010/a-novel-approach-of-synthesizing-and-evaluating-the-anticancer-potential-of-silver-oxide-nanoparticles-in-vitro
#20
Kaushik Banerjee, Satyajit Das, Pritha Choudhury, Sarbari Ghosh, Rathindranath Baral, Soumitra Kumar Choudhuri
BACKGROUND: Development of novel strategies to kill cancer by sparing normal cells is of utmost importance. Apart from their known antimicrobial activity, only limited information has been recorded regarding the antitumor potential of biocompatible silver oxide nanoparticles (AgONPs). There is a need to evaluate the anticancer potential of biocompatible AgONPs in vitro. METHODS: A new approach of utilizing the leaf extract of Excoecaria agallocha was used to synthesize AgONPs...
May 11, 2017: Chemotherapy
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