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https://www.readbyqxmd.com/read/28210552/capsular-contracture-in-implant-based-breast-reconstruction-the-effect-of-porcine-acellular-dermal-matrix
#1
Alessia M Lardi, Mark Ho-Asjoe, Klaus Junge, Jian Farhadi
BACKGROUND: Irradiation of implant-based breast reconstructions (BR) is known to increase capsular contracture (CC) rates on average by 4-fold over non-irradiated reconstructions. The use of acellular dermal matrix (ADM) has been associated with lower CC rates in non-irradiated reconstructions (0-3%). Experimental and clinical studies suggest that ADM may also reduce CC rates in irradiated breasts. The aim of this study was to evaluate CC rates in non-irradiated and irradiated one- and two-stage BRs performed with the assistance of porcine ADM (PADM)...
February 2017: Gland Surgery
https://www.readbyqxmd.com/read/28210551/factors-influencing-the-decision-to-pursue-immediate-breast-reconstruction-after-mastectomy-for-breast-cancer
#2
Mariska Weenk, Philipp Wunschel, Erwin Heine, Luc J Strobbe
BACKGROUND: Immediate breast reconstruction (IBR) after mastectomy has shown to be oncologically safe and to improve quality of life in breast cancer patients. However, most women undergoing mastectomy do not undergo IBR. In this study, we aim to identify breast surgeon-related factors in considering IBR and factors affecting patients' decision to choose for IBR. METHODS: Retrospective analysis of the records of breast cancer patients who underwent mastectomy with or without IBR between 2010 and 2013...
February 2017: Gland Surgery
https://www.readbyqxmd.com/read/28206996/the-quest-for-sustained-multiple-morbidity-reduction-in-very-low-birth-weight-infants-the-antifragility-project
#3
J W Kaempf, N M Schmidt, S Rogers, C Novack, M Friant, L Wang, N Tipping
OBJECTIVE: Can a comprehensive, explicitly directive evidence-based guideline for all therapies that might affect the major morbidities of very low-birth-weight (VLBW) infants help a neonatal intensive care unit (NICU) further improve generally favorable morbidity rates? Can Antifragility principles of provider adaptive growth from stressors, enhanced infant risk assessment and adherence to effective therapies minimize unproven treatments and reduce all morbidities? STUDY DESIGN: Prospectively planned observational trial in VLBW infants: control group born October 2011 to September 2013 and study group October 2013 to September 2015...
February 16, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28204936/impact-of-acellular-dermal-matrix-adm-use-under-mastectomy-flap-necrosis-on-perioperative-outcomes-of-prosthetic-breast-reconstruction
#4
So Young Kim, Sa Ik Bang
BACKGROUND: There is conflicting data on the potential necrotic complications of acellular dermal matrix (ADM) use in breast reconstruction, and most studies focus on mastectomy flap necrosis as an outcome measure associated with ADM use. The aim of this study was to examine cases with necrotic complications with and without the use of ADM and to investigate whether ADM affected perioperative outcomes in cases with necrotic complications. METHODS: Patients who experienced mastectomy flap necrosis following mastectomy with tissue expander placement between January 2009 and March 2015 were retrospectively reviewed...
February 15, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28204930/immediate-nipple-reconstruction-during-implant-based-breast-reconstruction
#5
Ki Yong Hong, Young-Eun Kim, Kyung Won Minn, Ung Sik Jin
BACKGROUND: Nipple reconstruction is usually performed as a separate procedure, several months after the primary breast reconstruction. This study compared the outcomes of immediate and delayed nipple reconstructions during implant-based breast reconstructions. METHODS: A retrospective review was conducted of patients who underwent nipple reconstruction, after implant-based breast reconstruction, between September 2014 and August 2015. The nipple was simultaneously reconstructed following tissue expander removal and implant placement...
February 15, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28203509/the-breastrial-stage-ii-adm-breast-reconstruction-outcomes-from-definitive-reconstruction-to-3-months-postoperative
#6
Shaun D Mendenhall, Layla A Anderson, Jian Ying, Kenneth M Boucher, Leigh A Neumayer, Jayant P Agarwal
BACKGROUND: The Breast Reconstruction Evaluation of Acellular Dermal Matrix as a Sling Trial is a prospective randomized trial comparing outcomes of tissue expander breast reconstruction using either AlloDerm or DermaMatrix. The trial was divided into 3 outcome stages; this study reports stage II outcomes, which are those from the time of definitive reconstruction to 3 months postoperative. METHODS: A randomized trial was conducted to compare complication rates between AlloDerm and DermaMatrix groups...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28202042/hoxc8-regulates-self-renewal-differentiation-and-transformation-of-breast-cancer-stem-cells
#7
Mansi Shah, Ryan Cardenas, Belinda Wang, Jenny Persson, Nigel P Mongan, Anna Grabowska, Cinzia Allegrucci
BACKGROUND: Homeobox genes are master regulators of cell fate during embryonic development and their expression is altered in cancer. By regulating the balance between cell proliferation and differentiation, they maintain homeostasis of normal tissues. Here, we screened the expression of homeobox genes in mammary stem cells to establish their role in stem cells transformation in breast cancer. METHODS: Using a Homeobox Genes PCR array, we screened 83 homeobox genes in normal cancer breast stem/progenitor cells isolated by flow cytometry...
February 16, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28198179/breast-reconstruction-after-mastectomy-for-breast-cancer-comparative-analysis-of-early-and-delayed-reconstruction
#8
William Seidel, Jorge Bins Ely, Daniel Ongaratto Barazzetti, Renata Della Giustina, Gustavo P Walter, Thiago A Ferri, Rosemeri Maurici, Janaína L Narciso-Schiavon
BACKGROUND: Early reconstruction after mastectomy for breast cancer with definitive implants has been widely used, especially with the evolution of conservative surgical breast cancer treatments. We aimed to identify different characteristics associated with plastic surgery, based on immediate or delayed reconstruction time and evaluate quality of life in patients undergoing mastectomy for cancer. METHODS: This is a cross-sectional analytical study that evaluated adult patients undergoing mastectomy for breast cancer and breast reconstruction in Plastic Surgery Service at a tertiary hospital...
February 14, 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/28192249/a-glucose-targeted-mixed-micellar-formulation-outperforms-genexol-in-breast-cancer-cells
#9
Marcela A Moretton, Ezequiel Bernabeu, Estefanía Grotz, Lorena Gonzalez, Marcela Zubillaga, Diego A Chiappetta
Breast cancer represents the top cancer among women, accounting 521.000 deaths per year. Development of targeted nanomedicines to breast cancer tissues represents a milestone to reduce chemotherapy side effects. Taking advantage of the over-expression of glucose (Glu) membrane transporters in breast cancer cells, we aim to expand the potential of a paclitaxel (PTX)-loaded mixed micellar formulation based on polyvinyl caprolactam-polyvinylacetate-polyethylene glycol graft copolymer (Soluplus®) and D-α-tocopheryl polyethylene glycol 1000 succinate (TPGS) by its surface decoration with Glu moieties...
February 10, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28191959/mitoxantrone-and-folate-tpgs2k-conjugate-hybrid-micellar-aggregates-to-circumvent-toxicity-and-enhance-efficiency-for-breast-cancer-therapy
#10
Nida El Islem Guissi, Huipeng Li, Yurui Xu, Farouk Semcheddine, Minglei Chen, Zhigui Su, Qineng Ping
Mitoxantrone (MTO) is a potent drug used to treat breast cancer; however, efforts to expand its applicability have been limited by the risk of cardiotoxicity. In this study, we successfully conjugated MTO or folic acid (FA) to a synthesized d-α-tocopheryl polyethylene glycol 2000 succinate (TPGS2k), which were short for MCT or FCT. These two micellar materials could self-assemble to form MCT micelles or MCT/FCT mixed micelles (FMCT) aiming to lower systemic toxicity, enhance entrapment efficiency and provide a platform for targeting delivery...
February 13, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28182080/cytopathology-practice-in-kumasi-a-2-year-retrospective-audit
#11
Babatunde M Duduyemi, Osei Owusu-Afriyie, Kwabena O Danquah, Derick Na Osakunor
AIM: Surgical pathology service is generally unavailable in most developing countries and comes with challenges. Cytopathology is a reliable, inexpensive adjunct to surgical histopathology. We present a retrospective review of the various cytopathology cases received at the department. MATERIALS AND METHODS: A retrospective review of 836 cytopathology cases from January 2010 to December 2011 at the Department of Pathology of our hospital was conducted. All cytopathology reports and records from the department were retrieved and analyzed using the Statistical Package for the Social Sciences version 16 for windows...
January 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28179988/ips-derived-mscs-from-an-expandable-bank-to-deliver-a-prodrug-converting-enzyme-that-limits-growth-and-metastases-of-human-breast-cancers
#12
M Ullah, Y Kuroda, T J Bartosh, F Liu, Q Zhao, C Gregory, R Reger, J Xu, R H Lee, D J Prockop
One attractive strategy to treat cancers is to deliver an exogenous enzyme that will convert a non-toxic compound to a highly toxic derivative. The strategy was tested with viral vectors but was disappointing because the efficiency of transduction into tumor cells was too low. Recent reports demonstrated that the limitation can be addressed by using tissue-derived mesenchymal stromal cells (MSCs) to deliver enzyme/prodrug systems that kill adjacent cancer cells through bystander effects. Here we addressed the limitation that tissue-derived MSCs vary in their properties and are difficult to generate in the large numbers needed for clinical applications...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28175968/augmentation-of-the-nipples-reconstructed-with-modified-top-hat-flap-using-dermal-grafts-in-implant-based-breast-reconstruction-a-comparative-study
#13
Hoon Kim, Sang Il Kim, Won Ha, Chi Sun Yoon, Taik Jong Lee, Kyu Nam Kim
BACKGROUND: Nipple reconstruction in implant-based breast reconstruction remains challenging, as the remaining thin skin envelope results in a less projected neo-nipple with a reduced volume. This study presents a modified top-hat flap technique with rolled dermal grafts from the dog-ears of lateral wings for augmenting reconstructed nipples during implant-based breast reconstruction. METHODS: Between April 2011 and December 2014, among 34 patients who underwent immediate post-mastectomy reconstruction with a direct silicone implant, nipple reconstruction was performed using the modified top-hat flap technique in only 21 patients (group A), whereas 13 patients underwent the modified top-hat flap technique with rolled dermal grafts from the dog-ears of lateral wings (group B)...
February 7, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28166223/activated-oncogenic-pathway-modifies-iron-network-in-breast-epithelial-cells-a-dynamic-modeling-perspective
#14
Julia Chifman, Seda Arat, Zhiyong Deng, Erica Lemler, James C Pino, Leonard A Harris, Michael A Kochen, Carlos F Lopez, Steven A Akman, Frank M Torti, Suzy V Torti, Reinhard Laubenbacher
Dysregulation of iron metabolism in cancer is well documented and it has been suggested that there is interdependence between excess iron and increased cancer incidence and progression. In an effort to better understand the linkages between iron metabolism and breast cancer, a predictive mathematical model of an expanded iron homeostasis pathway was constructed that includes species involved in iron utilization, oxidative stress response and oncogenic pathways. The model leads to three predictions. The first is that overexpression of iron regulatory protein 2 (IRP2) recapitulates many aspects of the alterations in free iron and iron-related proteins in cancer cells without affecting the oxidative stress response or the oncogenic pathways included in the model...
February 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28166138/postmastectomy-breast-reconstruction-combined-with-contralateral-breast-augmentation-for-taiwanese-women-with-small-breasts
#15
Hung-Hui Liu, I-Han Chiang, Chih-Hsin Wang, Hao-Yu Chiao, Chang-Yi Chou, Chi-Yu Wang, Yuan-Sheng Tzeng, Tim-Mo Chen, Shyi-Gen Chen
BACKGROUND: Although autogenous tissue-based breast reconstruction has been widely used in the past decade, implant-based breast reconstruction is more often used in Taiwan because Asian women are generally slender with small breasts. For patients with very small breasts, it is hard to achieve the goal of reconstructing a similar breast to the contralateral one, even with the smallest size implant available commercially. Therefore, these patients need not only breast reconstruction but also contralateral breast augmentation...
February 4, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28164708/expanding-proteome-coverage-with-charge-ordered-parallel-ion-analysis-chopin-combined-with-broad-specificity-proteolysis
#16
Simon Davis, Philip D Charles, Lin He, Peter Mowlds, Benedikt M Kessler, Roman Fischer
The "deep" proteome has been accessible by mass spectrometry for some time. However, the number of proteins identified in cells of the same type has plateaued at ~8,000-10,000 without ID transfer from reference proteomes/data. Moreover, limited sequence coverage hampers the discrimination of protein isoforms when using trypsin as standard protease. Multi-enzyme approaches appear to improve sequence coverage and subsequent isoform discrimination. Here, we expanded proteome and protein sequence coverage in MCF-7 breast cancer cells to an as yet unmatched depth, by employing a workflow that addresses current limitations in deep proteome analysis at multiple stages: We used i) Gel-aided sample preparation (GASP) and combined trypsin/elastase digests to increase peptide orthogonality, ii) concatenated high pH pre-fractionation and iii) CHarge Ordered Parallel Ion aNalysis (CHOPIN)- available on an Orbitrap Fusion (Lumos) mass spectrometer- to achieve 57% median protein sequence coverage in 13,728 protein groups (8,949 Unigene IDs) in a single cell line...
February 6, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28161871/the-role-of-tgf%C3%AE-in-bone-muscle-crosstalk
#17
REVIEW
Jenna N Regan, Trupti Trivedi, Theresa A Guise, David L Waning
PURPOSE OF REVIEW: The role of bone-derived factors in regulation of skeletal muscle function is an important emerging aspect of research into bone-muscle crosstalk. Implications for this area of research are far reaching and include understanding skeletal muscle weakness in cancer, osteoporosis, cachexia, rare diseases of bone, and aging. RECENT FINDINGS: Recent research shows that bone-derived factors can lead to changes in the skeletal muscle. These changes can either be anabolic or catabolic, and we focus this review on the role of TGFβ in driving oxidative stress and skeletal muscle weakness in the setting of osteolytic cancer in the bone...
February 4, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28156504/how-can-palliative-care-specialists-best-integrate-into-multidisciplinary-oncology-care-for-patients-with-metastatic-breast-cancer
#18
Melissa F Miller, Joanne S Buzaglo, Arif Kamal
: 182 Background: Current evidence for palliative care/oncology integration derives from cancers with either very short prognoses or relatively limited treatment options (e.g. pancreas). Little is know about the role of palliative care in metastatic breast cancer, where prognosis may be measured in years and the treatment option portfolio is continuously expanding. METHODS: The Cancer Support Community Metastatic Breast Cancer Experience Registry is a voluntary, patient-reported, online registry of patient experiences with cancer...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28156495/palliative-care-and-health-care-utilization-at-the-end-of-life
#19
Wendi G LeBrett, Rayna Matsuno, Lindsay Hwang, Isabel Boero, Eric Roeland, Heidi Yeung, James Don Murphy
: 152 Background: Palliative care's role in oncology has expanded, but its impact on aggressiveness of care at the end of life has not been characterized at the population level. METHODS: This matched retrospective cohort study examined the effect of an encounter with palliative care on healthcare utilization at the end of life among 6,580 Medicare beneficiaries with advanced prostate, breast, lung, or colorectal cancer. We compared healthcare utilization before and after palliative care consultation to a matched non-palliative care cohort...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28155638/a-network-based-pathway-expanding-approach-for-pathway-analysis
#20
Qiaosheng Zhang, Jie Li, Haozhe Xie, Hanqing Xue, Yadong Wang
BACKGROUND: Pathway analysis combining multiple types of high-throughput data, such as genomics and proteomics, has become the first choice to gain insights into the pathogenesis of complex diseases. Currently, several pathway analysis methods have been developed to study complex diseases. However, these methods did not take into account the interaction between internal and external genes of the pathway and between pathways. Hence, these approaches still face some challenges. Here, we propose a network-based pathway-expanding approach that takes the topological structures of biological networks into account...
December 23, 2016: BMC Bioinformatics
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