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https://www.readbyqxmd.com/read/29355114/synergistic-role-of-caspase-8-and-caspase-3-expressions-prognostic-and-predictive-biomarkers-in-colorectal-cancer
#1
Qiang Yao, Weimin Wang, Jun Jin, Ke Min, Jian Yang, Yubing Zhong, Chunni Xu, Jianliang Deng, Yan Zhou
BACKGROUND: Expressions of Caspase-8 and Caspase-3 have been identified as important markers in many malignant tumors, but their roles in colorectal cancer (CRC) have not been confirmed. The purpose of this study was to investigate the role of Caspase-8 and Caspase-3 in CRC. METHODS: We enrolled 470 CRC patients in this study. Archival paraffin-embedded CRC tissue samples were used to construct tissue microarray (TMA), expressions of Caspase-8 and Caspase-3 that were stained by immunohistochemistry...
January 12, 2018: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29353400/a-stard-compliant-prediction-model-for-diagnosing-thrombotic-microangiopathies
#2
Pietro Manuel Ferraro, Gianmarco Lombardi, Alessandro Naticchia, Antonio Sturniolo, Cecilia Zuppi, Valerio De Stefano, Patrizia Bonelli, Ruggero Buonocore, Gianfranco Cervellin, Giuseppe Lippi, Giovanni Gambaro
Aim of the study was the definition of a predictive model for the initial diagnosis of thrombotic microangiopathies (TMA). We retrospectively collected data on all adult patients admitted to the Gemelli Hospital from 2010 to 2014. ICD-9 codes from primary diagnoses were used for TMA diagnosis. Demographic and laboratory characteristics on admission of patients with TMA were then compared with a random sample of 500 patients with other diagnoses. The prediction model was externally validated in a cohort from another hospital...
January 20, 2018: Journal of Nephrology
https://www.readbyqxmd.com/read/29352455/clinical-features-in-a-series-of-258-japanese-pediatric-patients-with-thrombotic-microangiopathy
#3
Akira Ashida, Hideki Matsumura, Toshihiro Sawai, Rika Fujimaru, Yuko Fujii, Akihiko Shirasu, Hyogo Nakakura, Kazumoto Iijima
BACKGROUND: Thrombotic microangiopathy (TMA) includes hemolytic uremic syndrome (HUS) and thrombotic thrombocytopenic purpura (TTP). This study examined the epidemiological characteristics of pediatric patients with TMA classified according to etiology. METHODS: The survey evaluated 258 Japanese pediatric patients diagnosed with TMA between 2012 and 2015. RESULTS: The primary diseases responsible for TMA were categorized as TTP (15 cases), Shiga toxin-producing Escherichia coli-associated HUS (STEC-HUS) (166 cases), atypical HUS (aHUS) (40 cases), and secondary TMA (27 cases)...
January 19, 2018: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29339271/early-increase-in-complement-terminal-pathway-activation-marker-sc5b-9-is-predictive-for-the-development-of-thrombotic-microangiopathy-after-stem-cell-transplantation
#4
Orsolya Horváth, Krisztián Kállay, Dorottya Csuka, Blanka Mező, György Sinkovits, Csaba Kassa, Anita Stréhn, Katalin Csordás, János Sinkó, Zoltán Prohászka, Gergely Kriván
Hematopoietic stem cell transplantation- (HSCT-) associated thrombotic microangiopathy (TA-TMA) is a multifactorial complication, and its prediction is largely unresolved.Our aim was to analyze changes of complement profile after HSCT in order to identify potential markers of TA-TMA development. Thirty- three consecutive pediatric patients (9.6 ± 4.4 years old) were included in this study who underwent allogeneic HSCT due to malignant (n=17) or non malignant (n=16) indications. Graft versus host disease (GVHD) was diagnosed using Glucksberg criteria, viral reactivation was monitored, five different TA-TMA diagnostic criteria were applied and all important clinical and laboratory parameters of TA-TMA activity were registered...
January 12, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29338170/peald-of-sio2-and-al2o3-thin-films-on-polypropylene-investigations-of-the-film-growth-at-the-interface-stress-and-gas-barrier-properties-of-dyads
#5
Maximilian Gebhard, Lukas Mai, Lars Banko, Felix Mitschker, Christian Hoppe, Montgomery Jaritz, Dennis Kirchheim, Christoph Zekorn, Teresa de Los Arcos, Dario Grochla, Rainer Dahlmann, Guido Grundmeier, Peter Awakowicz, Alfred Ludwig, Anjana Devi
A study on the plasma-enhanced atomic layer deposition (PEALD) of amorphous inorganic oxides, SiO2 and Al2O3, on polypropylene (PP) was carried out with respect to growth taking place at the interface of the polymer substrate and the thin film employing in-situ quartz-crystal microbalance (QCM) experiments. A model-layer of spin-coated PP (scPP) was deposited on QCM crystals prior to depositions to allow a transfer of findings from QCM studies to industrially applied PP foil. The influence from precursor choice (trimethyl-aluminum (TMA) vs...
January 17, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29334455/modulating-the-molybdenum-coordination-sphere-of-escherichia-coli-trimethylamine-n-oxide-reductase
#6
Paul Kaufmann, Benjamin R Duffus, Biljana Mitrova, Chantal Iobbi-Nivol, Christian Teutloff, Manfred Nimtz, Lothar Jänsch, Ulla Wollenberger, Silke Leimkühler
The well-studied enterobacterium Escherichia coli present in the human gut is able to reduce TMAO to trimethylamine (TMA) during anaerobic respiration. The TMAO reductase TorA is a monomeric, bis-molybdopterin guanine dinucleotide (bis-MGD) cofactor-containing enzyme belonging to the dimethylsulfoxide (DMSO) reductase family of molybdoenzymes. We report on a system for the in vitro reconstitution of TorA with molybdenum cofactors (Moco) from different sources. Higher TMAO reductase activities for TorA were obtained when using Moco-sources containing a sulfido ligand at the molybdenum atom...
January 15, 2018: Biochemistry
https://www.readbyqxmd.com/read/29331477/atypical-presentation-of-pregnancy-related-hemolytic-uremic-syndrome
#7
Salim Baghli, Catherine Abendroth, Umar Farooq, Jennifer A Schaub
The cause of acute kidney injury during pregnancy and in the postpartum period can be particularly challenging to diagnose, especially when it is necessary to differentiate among preeclampsia; eclampsia; hemolysis, elevated liver enzymes and low platelets (HELLP) syndrome; and thrombotic microangiopathies (TMAs). All these disease entities can present with kidney failure, microangiopathic hemolytic anemia, and thrombocytopenia. We present a teaching case of atypical hemolytic uremic syndrome in the postpartum period in a young woman who was found to have mutations of uncertain clinical significance in the complement cascade, including in C3, CFH, and CFI...
January 10, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29330283/centriole-overduplication-is-the-predominant-mechanism-leading-to-centrosome-amplification-in-melanoma
#8
Ryan A Denu, Maria Shabbir, Minakshi Nihal, Chandra K Singh, B Jack Longley, Mark E Burkard, Nihal Ahmad
Centrosome amplification (CA) is common in cancer and can arise by centriole overduplication or by cell doubling events, including the failure of cell division and cell-cell fusion. To assess the relative contributions of these two mechanisms, the number of centrosomes with mature/mother centrioles was examined by immunofluorescence in a tissue microarray (TMA) of human melanomas and benign nevi (n=79 and 17, respectively). The centrosomal protein 170 (CEP170) was used to identify centrosomes with mature centrioles; this is expected to be present in most centrosomes with cell doubling, but on fewer centrosomes with overduplication...
January 12, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29329518/the-use-of-eculizumab-in-gemcitabine-induced-thrombotic-microangiopathy
#9
Vinod Krishnappa, Mohit Gupta, Haikoo Shah, Abhijit Das, Natthavat Tanphaichitr, Robert Novak, Rupesh Raina
BACKGROUND: Thrombotic microangiopathy (TMA) secondary to gemcitabine therapy (GiTMA) is a very rare pathology that carries a poor prognosis, with nearly half of the cases progressing to end stage renal disease. GiTMA is most commonly associated with adenocarcinomas, most notably pancreatic cancers. The mainstay of management is withdrawal of the offending drug and supportive care. Plasmapheresis has a limited role and hemodialysis may help in the management of fluid overload secondary to renal failure...
January 12, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29329020/a-novel-mouse-model-of-atopic-dermatitis-that-is-t-helper-2-th2-polarized-by-an-epicutaneous-allergen
#10
Hyun Jung Park, Wahn Soo Choi, Won Young Lee, Youngsok Choi, Chankyu Park, Jin Hoi Kim, Kwon Ho Hong, Hyuk Song
The pathogenesis of atopic dermatitis (AD) involves T helper 2 (Th2) cells, and effective therapies remain elusive due to the paucity of animal models. We aimed to develop a mouse model of an immune system aberration caused by allergen. Experiments were conducted in two phases. In experiment 1, BALB/c mice were sensitized with one of four chemical allergens - toluene diisocyanate (TDI), hexamethylene diisocyanate (HDI), trimellitic anhydride (TMA), or 2,4-dinitrochlorobenzene (DNCB) - for 3 weeks. Based on results of experiment 1, immunological features were compared between TMA-sensitized BALB/c mice and NC/Nga mice, after exposure to mite extracts, harmful chemicals and detergents in experiment 2...
December 29, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29328306/compensation-factors-for-3rd-order-coma-in-three-mirror-anastigmatic-tma-telescopes
#11
S Xu, Z Cui, B Qi
Misalignment induced third-order coma with respect to misaligned parameters in TMA optical systems is derived by using Nodal Aberration Theory, which yields the compensation factors that can be used to accomplish coma compensation in both coaxial and off-axis misaligned TMA telescopes. By using the compensation factors, coma free point for the tertiary mirror in TMA telescopes is derived and proved to be the negative form of the one for the secondary mirror in the Cassegrain telescope. The compensation factors can also be used to design the off-axis TMAs due to their capability of eliminating the coma over the field of view...
January 8, 2018: Optics Express
https://www.readbyqxmd.com/read/29326043/upregulation-of-cdca5-promotes-gastric-cancer-malignant-progression-via-influencing-cyclin-e1
#12
Zhengyuan Zhang, Mingyang Shen, Guangrong Zhou
The cell division cycle associated 5(CDCA5) was reported to be associated with progression of several human cancers, however, its clinical significance and biological role still remain unknown in gastric cancer(GC). By analyzing The Cancer Genome Atlas(TCGA), we found CDCA5 was significantly upregulated in GC tissues compared to adjacent normal tissues. Tissue microarray(TMA) indicated upregulation of CDCA5 was significantly correlated with more advanced clinicopathological features, and acts as an independent risk factor for worse overall survival(OS) in GC patients...
January 8, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29323222/a-triangle-study-of-human-instrument-and-bioelectronic-nose-for-non-destructive-sensing-of-seafood-freshness
#13
Kyung Mi Lee, Manki Son, Ju Hee Kang, Daesan Kim, Seunghun Hong, Tai Hyun Park, Hyang Sook Chun, Shin Sik Choi
Because the freshness of seafood determines its consumer preference and food safety, the rapid monitoring of seafood deterioration is considered essential. However, the conventional analysis of seafood deterioration using chromatography instruments and bacterial colony counting depends on time-consuming and food-destructive treatments. In this study, we demonstrate a non-destructive and rapid food freshness monitoring system by a triangular study of sensory evaluation, gas chromatography-mass spectroscopy (GC-MS), and a bioelectronic nose...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29318693/4-6-4-trimethylangelicin-shows-high-anti-proliferative-activity-on-du145-cells-under-both-uva-and-blue-light
#14
G Miolo, G Sturaro, G Cigolini, L Menilli, A Tasso, I Zago, M T Conconi
OBJECTIVES: Furocoumarins (psoralens and angelicins) have been already used under ultraviolet A light (UVA) for the treatment of skin diseases and cutaneous T-cell lymphoma. Besides their high anti-proliferative activity, some severe long-term side effects have been observed, for example genotoxicity and mutagenicity, likely strictly related to the formation of crosslinks. It has been demonstrated that blue light (BL) activation of 8-methoxypsoralen, an FDA-approved drug, leads to less mutagenic monoadducts in the DNA...
January 10, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/29318579/evaluation-of-icam-1-expression-and-vascular-changes-in-the-skin-of-patients-with-plaque-pustular-and-erythrodermic-psoriasis
#15
Aline L Bressan, Bruna L S Picciani, Luna Azulay-Abulafia, Anna K Fausto-Silva, Paula N Almeida, Karin S G Cunha, Eliane P Dias, Sueli Carneiro
BACKGROUND: Psoriasis is a chronic inflammatory disease. Pustular, erythrodermic, and extensive plaque psoriasis are responsible for systemic complications. Systemic capillary leak syndrome is the complication with greater progression to death and occurs due to vascular changes. PURPOSE: The aim of this study was to evaluate vascular changes through the expression of CD34 and ICAM-1 in plaque, pustular, and erythrodermic psoriasis. METHODS: The sample consisted of seven patients with erythrodermic psoriasis, 24 with moderate-severe plaque psoriasis, 14 with mild plaque psoriasis and 13 with pustular psoriasis...
January 10, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29316317/cytotechnologists-as-coinvestigators-in-anatomical-pathology-research
#16
Karla J Kopp, Marie R Passow, Kristina M Del Rosario, Michael R Christensen, John W O'Shaughnessy, Mary K Bartholet, Mary E Francis, Thomas J Flotte
BACKGROUND: The amount of time available to pathologists with which to perform research is becoming limited due to an increasing manpower shortage in pathology, decreased reimbursement, and increased workload. This is occurring at the same time as demands escalate for pathologists to develop new companion tests, correlate the molecular findings with traditional methods, and assist in the development of individualized medicine. This study examined whether cytotechnologists may be integrated into a research team that uses their expertise in understanding pathology and clinical disease to provide interpretations of experiments that traditionally were performed by pathologists...
January 9, 2018: Cancer
https://www.readbyqxmd.com/read/29313594/effects-of-different-rearing-temperatures-on-muscle-development-and-stress-response-in-the-early-larval-stages-of-acipenser-baerii
#17
Lucia Aidos, Luisa M Pinheiro Valente, Vera Sousa, Marco Lanfranchi, Cinzia Domeneghini, Alessia Di Giancamillo
The present study aims at investigating muscle development and stress response in early stages of Siberian sturgeon when subjected to different rearing temperatures, by analysing growth and development of the muscle and by assessing the stress response of yolk-sac larvae. Siberian sturgeon larvae were reared at 16°C, 19°C and 22°C until the yolk-sac was completely absorbed. Sampling timepoints were: hatching, schooling and complete yolk-sac absorption stage. Histometrical, histochemical and immunohistochemical analyses were performed in order to characterize muscle growth (total muscle area, TMA; slow muscle area, SMA; fast muscle area, FMA), development (anti-proliferating cell nuclear antigen -PCNA or anticaspase) as well as stress conditions by specific stress biomarkers (heat shock protein 70 or 90, HSP70 or HSP90)...
November 28, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/29313573/p-vivax-malaria-presenting-as-thrombotic-microangiopathy
#18
Dharmendra Bhadauria, Harsh Vardhan, Anupma Kaul, Raj Kumar Sharma, Amit Gupta, Narayan Prasad, Manoj Jain
Introduction: Acute kidney injury (AKI) is reported to occur in patients with falciparum malaria but not uncommon with vivax malaria. AKI, anemia, thrombocytopenia and jaundice is a recurrent finding in severe malaria and can mimic as thrombotic microangiopathy (TMA). Relationship of malaria with TMA is unclear till date however evidences suggest their association. Methods & Material: We reviewed our electronic database to evaluate relationship of malaria with TMA, of cases of malaria, jaundice and AKI...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29313264/positivity-for-gata3-and-ttf-1-spt24-and-negativity-for-monoclonal-pax8-expand-the-biomarker-profile-of-the-solid-cell-nests-of-the-thyroid-gland
#19
Hasan Gucer, Ozgur Mete
Solid cell nests (SCNs) are usually distinguished on conventional H&E-stained sections; however, the morphological heterogeneity in SCNs and hyperplasia of these ultimobranchial body remnants can mimic other diagnostic entities including but not limited to papillary microcarcinoma. In order to confirm the thyroid follicular epithelial origin and exclude the possibility of SCNs, most diagnosticians use immunohistochemical biomarkers of thyroid follicular epithelial cells and/or those of SCNs. While the expression profile of monoclonal PAX8 has not been reported previously in SCNs, the status of TTF-1 expression using the 8G7G3/1 clone has been inconsistent among several studies...
January 8, 2018: Endocrine Pathology
https://www.readbyqxmd.com/read/29312707/rare-causes-of-hyperbilirubinemia-after-lung-transplantation-our-experience-at-a-single-center
#20
Su Hwan Lee, Moo Suk Park, Jin Gu Lee, Joo Han Song, Kyung Soo Chung, Ji Ye Jung, Eun Young Kim, Young Sam Kim, Se Kyu Kim, Joon Chang, Hyo Chae Paik, Song Yee Kim
Background: Lung transplantation is the last treatment option for end-stage lung disease, and the number of lung transplantations has been steadily increasing. Hyperbilirubinemia is a rare complication after lung transplantation. The aim of this study was to review rare causes of hyperbilirubinemia after lung transplantation at our center. Methods: In this single-center study, we retrospectively reviewed the records of 116 consecutive lung transplantation patients who underwent lung transplantation at Severance Hospital and Gangnam Severance Hospital of Yonsei University College of Medicine in South Korea between December 22, 2010 and January 1, 2016...
December 2017: Journal of Thoracic Disease
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