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https://www.readbyqxmd.com/read/28346874/protective-effects-of-hepatocyte-specific-glycyrrhetic-derivatives-against-carbon-tetrachloride-induced-liver-damage-in-mice
#1
Yifei Yang, Lingyun Yang, Yaodan Han, Zhenwei Wu, Pan Chen, Huibin Zhang, Jinpei Zhou
Glycyrrhetic acid (GA), the main hydrolysate of glycyrrhizic acid extracted from the roots of the Chinese herb Glycyrrhiza glabra, was reported to be accumulated in hepatocytes due to the extensive distribution of GA receptors in liver. A series of hepatocyte-specific derivatives on the basis of anetholtrithione and glycyrrhizic were designed and synthesized. The potential beneficial effect was evaluated in carbon tetrachloride (CCl4)-induced liver injury model. In addition, the hepatoprotective activity of these derivatives was assessed by measuring levels of serum marker enzymes, including serum glutamate oxaloacetate transaminase (GOT), serum glutamate pyruvate transaminase (GPT), alkaline phosphatase (AKP), lactate dehydrogenase (LDH) and the ratio of GSH to GSSG...
March 20, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28335884/prognostic-factors-and-survival-according-to-tumour-subtype-in-women-presenting-with-breast-cancer-brain-metastases-at-initial-diagnosis
#2
José Pablo Leone, Julieta Leone, Ariel Osvaldo Zwenger, Julián Iturbe, Bernardo Amadeo Leone, Carlos Teodoro Vallejo
BACKGROUND: The presence of brain metastases at the time of initial breast cancer diagnosis (BMIBCD) is uncommon. Hence, the prognostic assessment and management of these patients is very challenging. The aim of this study was to analyse the influence of tumour subtype compared with other prognostic factors in the survival of patients with BMIBCD. METHODS: We evaluated women with BMIBCD, reported to Surveillance, Epidemiology and End Results program from 2010 to 2013...
March 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28332033/surgeon-attitudes-and-use-of-mri-in-patients-newly-diagnosed-with-breast-cancer
#3
Monica Morrow, Sarah T Hawley, M Chandler McLeod, Ann S Hamilton, Kevin C Ward, Steven J Katz, Reshma Jagsi
BACKGROUND: Usage of magnetic resonance imaging (MRI) in newly diagnosed breast cancer patients is increasing, despite scant evidence that it improves outcomes. Little is known about the knowledge, perspectives, and clinical characteristics of surgeons associated with MRI use. METHODS: Women with early-stage breast cancer undergoing definitive surgery between July 2013 and August 2015 were identified from the Los Angeles and Georgia Surveillance, Epidemiology and End Results (SEER) registries and were asked to name their attending surgeons...
March 22, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28331775/diagonal-earlobe-crease-as-a-significant-marker-for-coronary-artery-disease-a-case-control-study
#4
Rida Kamal, Komal Kausar, Ahmed H Qavi, Moeed H Minto, Fariha Ilyas, Salman Assad, Saeed U Shah
OBJECTIVES: To investigate the association between diagonal earlobe crease (DELC) and coronary artery disease (CAD). Limited data exists in South Asia and no prior studies have been performed in Pakistan to assess this relationship. METHODS: In this case-control study, 200 participants from December 2015 to March 2016 at Shifa International Hospital, Islamabad, Pakistan were enrolled. Consecutive non-probability sampling was used to recruit patients. Cases were enrolled from cardiac care unit (CCU) of the hospital with angiography-proven CAD...
February 5, 2017: Curēus
https://www.readbyqxmd.com/read/28331756/the-management-and-outcomes-of-male-breast-cancer
#5
Ömer Uslukaya, Metehan Gümüş, Hatice Gümüş, Zübeyir Bozdağ, Ahmet Türkoğlu
OBJECTIVE: Due to a lack of sufficient data, the treatment protocols for male breast cancer are usually the same as those used for female breast cancer. The aim of the current study was to present our clinical experience with male breast cancer. MATERIALS AND METHODS: The records of 37 patients who were treated for male breast cancer in our hospital between 2004 and 2014 were reviewed retrospectively. The data of patients were recorded and analyzed. RESULTS: The mean age of the patients was 63...
October 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331738/sentinel-node-biopsy-in-special-histologic-types-of-invasive-breast-cancer
#6
Montserrat Solà, Mireia Recaj, Eva Castellà, Pere Puig, Josep Maria Gubern, Juan Francisco Julian, Manel Fraile
OBJECTIVE: To assess the feasibility of sentinel node biopsy (SNB) in ductal and lobular invasive breast cancer, a group of tumors known as special histologic type (SHT) of breast cancer. MATERIALS AND METHODS: Between January 1997 and July 2008, 2253 patients from 6 affiliated hospitals underwent SNB who had early breast cancer and clinically negative axilla. The patients' data were collected in a multicenter database. For lymphatic mapping, all patients received an intralesional dose of radiocolloid Tc-99m (4mCi in 0...
April 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28330992/localized-hepatic-lobular-regeneration-by-central-vein-associated-lineage-restricted-progenitors
#7
Jonathan M Tsai, Pang Wei Koh, Ania Stefanska, Liujing Xing, Graham G Walmsley, Nicolas Poux, Irving L Weissman, Yuval Rinkevich
The regeneration of organ morphology and function following tissue loss is critical to restore normal physiology, yet few cases are documented in mammalian postnatal life. Partial hepatectomy of the adult mammalian liver activates compensatory hepatocyte hypertrophy and cell division across remaining lobes, resulting in restitution of organ mass but with permanent alteration of architecture. Here, we identify a time window in early postnatal life wherein partial amputation culminates in a localized regeneration instead of global hypertrophy and proliferation...
March 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28328941/cynomolgus-monkeys-are-successfully-and-persistently-infected-with-hepatitis-e-virus-genotype-3-hev-3-after-long-term-immunosuppressive-therapy
#8
Noemi Rovaris Gardinali, Juliana Rodrigues Guimarães, Juliana Gil Melgaço, Yohan Britto Kevorkian, Fernanda de Oliveira Bottino, Yasmine Rangel Vieira, Aline Campos de Azevedo da Silva, Douglas Pereira Pinto, Laís Bastos da Fonseca, Leandro Schiavo Vilhena, Edilson Uiechi, Maria Cristina Carlan da Silva, Julio Moran, Renato Sérgio Marchevsky, Oswaldo Gonçalves Cruz, Rodrigo Alejandro Arellano Otonel, Amauri Alcindo Alfieri, Jaqueline Mendes de Oliveira, Ana Maria Coimbra Gaspar, Marcelo Alves Pinto
Epidemiological studies found that hepatitis E virus genotype 3 (HEV-3) infection was associated with chronic hepatitis and cirrhosis in immunocompromised patients. Our study aimed to investigate the relationship between the host immunosuppressive status and the occurrence of HEV-related chronic hepatitis. Here we describe a successful experimental study, using cynomolgus monkeys previously treated with tacrolimus, a potent calcineurin inhibitor immunosuppressant, and infected with a Brazilian HEV-3 strain isolated from naturally infected pigs...
2017: PloS One
https://www.readbyqxmd.com/read/28327449/integrated-local-binary-pattern-texture-features-for-classification-of-breast-tissue-imaged-by-optical-coherence-microscopy
#9
Sunhua Wan, Hsiang-Chieh Lee, Xiaolei Huang, Ting Xu, Tao Xu, Xianxu Zeng, Zhan Zhang, Yuri Sheikine, James L Connolly, James G Fujimoto, Chao Zhou
This paper proposes a texture analysis technique that can effectively classify different types of human breast tissue imaged by Optical Coherence Microscopy (OCM). OCM is an emerging imaging modality for rapid tissue screening and has the potential to provide high resolution microscopic images that approach those of histology. OCM images, acquired without tissue staining, however, pose unique challenges to image analysis and pattern classification. We examined multiple types of texture features and found Local Binary Pattern (LBP) features to perform better in classifying tissues imaged by OCM...
March 8, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28327103/morphological-and-phenotypical-features-of-ovarian-metastases-in-breast-cancer-patients
#10
Inge T A Peters, Merle A van der Steen, Bertine W Huisman, Carina G J M Hilders, Vincent T H B M Smit, Alexander L Vahrmeijer, Cornelis F M Sier, J Baptist Trimbos, Peter J K Kuppen
BACKGROUND: Autotransplantation of frozen-thawed ovarian tissue is a method to preserve ovarian function and fertility in patients undergoing gonadotoxic therapy. In oncology patients, the safety cannot yet be guaranteed, since current tumor detection methods can only exclude the presence of malignant cells in ovarian fragments that are not transplanted. We determined the need for a novel detection method by studying the distribution of tumor cells in ovaries from patients with breast cancer...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28326242/nasal-lobular-capillary-hemangioma-as-a-complication-after-an-endoscopic-transsphenoidal-gonadotrophin-producing-pituitary-adenoma-resection
#11
Dalila Forte, Amets Sagarribay Irañeta, Anabela Nabais, António Figueiredo, Manuela Mafra, Victor Gonçalves
Background Lobular capillary hemangioma is a rare benign tumor, most frequently located in the head or neck region, the nasal cavity being uncommonly affected. Its etiopathogenesis is not fully established, although traumatic and hormonal factors have been implied. Case Description A 50-year-old female patient underwent an uneventful endoscopic transsphenoidal removal of a pituitary cystic macroadenoma at our institution. Nasal packing was used in postoperative hemostasis. Histopathology was compatible with a gonadotrophin-producing adenoma...
January 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28325619/effects-of-online-cone-beam-computed-tomography-with-active-breath-control-in-determining-planning-target-volume-during-accelerated-partial-breast-irradiation
#12
Y Li, R Zhong, X Wang, P Ai, F Henderson, N Chen, F Luo
PURPOSE: To test if active breath control during cone-beam computed tomography (CBCT) could improve planning target volume during accelerated partial breast radiotherapy for breast cancer. METHODS: Patients who were more than 40 years old, underwent breast-conserving dissection and planned for accelerated partial breast irradiation, and with postoperative staging limited to T1-2 N0 M0, or postoperative staging T2 lesion no larger than 3cm with a negative surgical margin greater than 2mm were enrolled...
March 18, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28319602/low-hepatic-tissue-copper-in-pediatric-non-alcoholic-fatty-liver-disease
#13
Michael Mendoza, Shelley Caltharp, Ming Song, Lindsay Collin, Juna V Konomi, Craig J McClain, Miriam B Vos
OBJECTIVE: Animal models and studies in adults have demonstrated that copper restriction increases severity of liver injury in non-alcoholic fatty liver disease (NAFLD). This has not been studied in children. We aimed to determine if lower tissue copper is associated with increased NAFLD severity in children. METHODS: This was a retrospective study of pediatric patients who had a liver biopsy including a hepatic copper quantitation. The primary outcome compared hepatic copper concentration in NAFLD versus non-NAFLD...
March 17, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28318112/diagnostic-dilemmas-and-pitfalls-in-thinprep-%C3%A2-cytology-of-breast-fine-needle-aspiration-biopsy-report-of-six-cases-with-histological-correlates
#14
Jose Victor Scarpa Carniello, Fresia Pareja, Maria Laureana Santos-Zabala, Marcia Edelweiss
Fine needle aspirations (FNA) of the breast for primary diagnoses have become less popular in the USA and are usually performed for lesions with low or extremely high clinical suspicion. They are also performed for lesions in close proximity to a breast implant. Liquid-based cytological preparations, such as ThinPrep(®) (TP), provide a practical alternative to clinicians who are performing FNA. Using a selection of cases that represent challenging diagnoses, we describe common diagnostic pitfalls of breast FNA that are specifically associated with this preparation...
March 20, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28303974/antifibrotic-effect-of-pirfenidone-in-a-mouse-model-of-human-nonalcoholic-steatohepatitis
#15
Chikara Komiya, Miyako Tanaka, Kyoichiro Tsuchiya, Noriko Shimazu, Kentaro Mori, Shunsaku Furuke, Yasutaka Miyachi, Kumiko Shiba, Shinobu Yamaguchi, Kenji Ikeda, Kozue Ochi, Kazuhiko Nakabayashi, Ken-Ichiro Hata, Michiko Itoh, Takayoshi Suganami, Yoshihiro Ogawa
Non-alcoholic steatohepatitis (NASH) is characterized by steatosis with lobular inflammation and hepatocyte injury. Pirfenidone (PFD) is an orally bioavailable pyridone derivative that has been clinically used for the treatment of idiopathic pulmonary fibrosis. However, it remains unknown whether PFD improves liver fibrosis in a mouse model with human NASH-like phenotypes. In this study, we employed melanocortin 4 receptor-deficient (MC4R-KO) mice as a mouse model with human NASH-like phenotypes to elucidate the effect and action mechanisms of PFD on the development of NASH...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303886/molecular-classification-of-lobular-carcinoma-of-the-breast
#16
Denggang Fu, Qi Zuo, Qi Huang, Li Su, Huijun Z Ring, Brian Z Ring
The morphology of breast tumors is complicated and diagnosis can be difficult. We present here a novel diagnostic model which we validate on both array-based and RNA sequencing platforms which reliably distinguishes this tumor type across multiple cohorts. We also examine how this molecular classification predicts sensitivity to common chemotherapeutics in cell-line based assays. A total of 1845 invasive breast cancer cases in six cohorts were collected, split into discovery and validation cohorts, and a classifier was created and compared to pathological diagnosis, grade and survival...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303349/multicolor-immunofluorescence-reveals-that-p63-and-or-k5-positive-progenitor-cells-contribute-to-normal-breast-epithelium-and-usual-ductal-hyperplasia-but-not-to-low-grade-intraepithelial-neoplasia-of-the-breast
#17
Werner Boecker, Göran Stenman, Tina Schroeder, Udo Schumacher, Thomas Loening, Lisa Stahnke, Catharina Löhnert, Robert Michael Siering, Arthur Kuper, Vera Samoilova, Markus Tiemann, Eberhard Korsching, Igor Buchwalow
We contend that knowledge about the cellular composition of normal breast epithelium is a prerequisite for understanding proliferative breast disease. Against this background, we used multicolor immunofluorescence to study normal breast epithelium and two types of intraepithelial proliferative breast lesion for expression of the p63, basal keratin K5, glandular keratin K8/18, SMA, ER-alpha, and Ki67. We studied eight normal breast epithelium samples, 12 cases of usual ductal hyperplasia, and 33 cases of low-grade intraepithelial neoplasia (9 flat epithelial atypia, 14 low-grade ductal carcinoma in situ and 10 cases of lobular neoplasia)...
March 16, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28302212/-effects-of-%C3%AF-3-polyunsaturated-fatty-acids-on-lymphocyte-apoptosis-rate-in-rats-with-sepsis
#18
Hong-Jun Miao, Dan Wang, Xu-Hua Ge, Xiao-Nan Li
OBJECTIVE: To investigate the effects of ω-3 polyunsaturated fatty acids (ω-3 PUFAs) on the apoptosis of thymic and splenic lymphocytes in rats with sepsis. METHODS: A total of 80 female Sprague-Dawley rats aged 7-8 weeks were randomly divided into model group, conventional lipid emulsion group (0.1 g/kg daily), low-dose ω-3 PUFAs group (0.1 g/kg daily), middle-dose ω-3 PUFAs group (0.2 g/kg daily), and high-dose ω-3 PUFAs group (0.3 g/kg daily). Cecal ligation and puncture were used to establish a rat model of sepsis...
March 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28295828/are-the-acosog-z0011-trial-findings-being-applied-to-breast-cancer-patients-undergoing-neoadjuvant-chemotherapy
#19
Olga Kantor, Catherine Pesce, Erik Liederbach, Chi-Hsiung Wang, David J Winchester, Katharine Yao
In 2010, the ACOSOG Z0011 trial showed equivalent survival and recurrence between sentinel lymph node biopsy (SLNB) alone versus axillary lymph node dissection (ALND) for those with a tumor positive sentinel node (SN). We examined national trends in axillary surgery following neoadjuvant chemotherapy (NAC) for clinically node positive disease in the years prior to and after the Z0011 trial publication. 12,063 women with cT1-4N1M0 invasive breast cancer who underwent NAC from 2006 to 2013 and had 1-3 positive nodes on pathology were selected from the National Cancer Data Base...
March 13, 2017: Breast Journal
https://www.readbyqxmd.com/read/28295003/-epithelial-cadherins-and-associated-molecules-in-invasive-lobular-breast-cancer
#20
Yu M Brilliant, A A Brilliant, S V Sazonov
AIM: to estimate the expression of cell adhesion molecules E- and P-cadherin, as well as that of cadherin-catenin complexes in invasive lobular breast cancer (BC) cells. MATERIAL AND METHODS: 250 cases of postoperative material from patients diagnosed with invasive lobular BC were studied. The expressions of cell adhesion molecules E-cadherin, P-cadherin, β-catenin, p120 catenin, and vimentin were determined by immunohistochemical assay in all cases. The examined cases were divided into molecular biological subtypes, based on the evaluation of estrogen receptors (ER), progesterone receptors (PR), HER-2/neu, and Ki-67 proliferative index...
2017: Arkhiv Patologii
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