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https://www.readbyqxmd.com/read/27920591/left-atrial-myxomectomy-with-intraoperative-severe-mitral-regurgitation-and-complicated-postoperative-course-case-report
#1
Nareg Minaskeian, Patrick P Hu
Primary cardiac tumors are a rare occurrence with myxomas accounting for about half of the benign tumors. Once diagnosed, surgical resection is the standard of care. Our case describes a female in her 50s who underwent a myxoma resection under cardiopulmonary bypass via biatrial approach. Intraoperatively, the thin septal crux between the wall of the aorta and mitral valve was damaged during resection, requiring stem cell tissue matrix for repair. The patient also developed severe mitral regurgitation suggesting infarct to the left coronary system during resection, subsequently receiving a mechanical mitral valve and a saphenous vein bypass graft...
2016: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/27918727/the-current-state-of-reproductive-biology-research-in-australia-and-new-zealand-core-themes-from-the-society-for-reproductive-biology-annual-meeting-2016
#2
L K Akison, P H Andraweera, M J Bertoldo, H M Brown, J S M Cuffe, T Fullston, O Holland, J E Schjenken
Because reproduction is essential for all life, it is central to our understanding of all aspects of biology. The Society for Reproductive Biology (SRB) 2016 conference held on the Gold Coast (Qld, Australia) displayed the current breadth of reproductive research in Australia and New Zealand, with additional insights from world leaders in the field. This conference review provides a focused summary of the key questions, emerging ideas and novel technologies that were presented in the symposia. Presented research demonstrated key advances in how stem cell biology may allow us to better understand pluripotency, as well as how environmental and lifestyle factors, such as circadian disruption, smoking, alcohol and diet, affect gametogenesis, embryo implantation, placental function and reproductive capacity...
December 6, 2016: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/27903524/graft-versus-host-disease-targets-ovary-and-causes-female-infertility-in-mice
#3
Sonoko Shimoji, Daigo Hashimoto, Hidetsugu Tsujigiwa, Kohta Miyawaki, Koji Kato, Shuichiro Takahashi, Reiki Ogasawara, Takashi Jiromaru, Hiromi Iwasaki, Toshihiro Miyamoto, Koichi Akashi, Takanori Teshima
Infertility associated with ovarian failure is a serious late complication for female survivors of allogeneic hematopoietic stem cell transplantation (SCT). While the role of pretransplant conditioning regimen has been well appreciated, increasing application of reduced-intensity conditioning facilitated us to revisit the other factors possibly affecting ovarian function after allogeneic SCT. We have addressed whether donor T-cell mediated graft-versus-host disease (GVHD) could be causally related to female infertility in mice...
November 30, 2016: Blood
https://www.readbyqxmd.com/read/27897136/an-image-based-skeletal-dosimetry-model-for-the-icrp-reference-adult-female-internal-electron-sources
#4
Shannon E O'Reilly, Lindsay S DeWeese, Matthew R Maynard, Didier A Rajon, Michael B Wayson, Emily L Marshall, Wesley E Bolch
An image-based skeletal dosimetry model for internal electron sources was created for the ICRP-defined reference adult female. Many previous skeletal dosimetry models, which are still employed in commonly used internal dosimetry software, do not properly account for electron escape from trabecular spongiosa, electron cross-fire from cortical bone, and the impact of marrow cellularity on active marrow self-irradiation. Furthermore, these existing models do not employ the current ICRP definition of a 50 µm bone endosteum (or shallow marrow)...
December 21, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27892749/high-non-relapse-mortality-and-low-relapse-incidence-in-gender-mismatched-allogeneic-hematopoietic-stem-cell-transplantation-from-a-parous-female-donor-with-a-male-child
#5
Akihito Shinohara, Yoshihiro Inamoto, Saiko Kurosawa, Nobuhiro Hiramoto, Ryosuke Ueda, Takashi Tanaka, Kohei Tada, Yujin Kobayashi, Noriyuki Morikawa, Keiji Okinaka, Sung-Won Kim, Kinuko Tajima, Takahiro Fukuda
To clarify the influence of exposure to a male fetus during a female donor's (FD) pregnancy in allogeneic hematopoietic stem cell transplantation (HSCT), we retrospectively examined 292 HSCT patients. The 5-year non-relapse mortality (NRM) was 33.5% among 31 male recipients who had HSCT from FD with a male child (MC), 23.0% among 40 male recipients who had HSCT from FD without MC and 19.6% among 221 other recipients. The 5-year relapse incidence (RI) was 22.6%, 42.0%, and 43.1% for the respective group. In multivariate analysis, male recipients who had HSCT from FD with MC had an increased risk of NRM (hazard ratio [HR] 1...
November 28, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27891662/acute-mechanical-hemolysis-as-a-complication-of-extracorporeal-photopheresis-in-a-low-weight-child
#6
Robert A DeSimone, Sandeep N Wontakal, Alexander K Lyashchenko, Joseph Schwartz
Graft-versus-host disease (GVHD) is a complication of allogeneic hematopoietic stem cell transplantation with high morbidity and mortality. Extracorporeal photopheresis (ECP) is an effective therapy for treating medication-refractory GVHD, however, there is scant evidence of whether ECP can be safely performed in patients weighing less than 15 kg. Here, we report the implementation of a successful protocol to perform ECP in a 21-month-old, 10.6 kg female with medication-refractory GVHD. Our initial ECP treatment resulted in significant hemolysis that was most likely mechanical...
November 28, 2016: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/27887984/impact-of-%C3%AE-hydroxy-%C3%AE-methylbutyrate-hmb-on-age-related-functional-deficits-in-mice
#7
Michael Munroe, Yair Pincu, Jennifer Merritt, Adam Cobert, Ryan Brander, Tor Jensen, Justin Rhodes, Marni D Boppart
β-Hydroxy β-methylbutyrate (HMB) is a metabolite of the essential amino acid leucine. Recent studies demonstrate a decline in plasma HMB concentrations in humans across the lifespan, and HMB supplementation may be able to preserve muscle mass and strength in older adults. However, the impact of HMB supplementation on hippocampal neurogenesis and cognition remains largely unexplored. The purpose of this study was to simultaneously evaluate the impact of HMB on muscle strength, neurogenesis and cognition in young and aged mice...
November 23, 2016: Experimental Gerontology
https://www.readbyqxmd.com/read/27887660/co-infusion-of-haplo-identical-cd19-chimeric-antigen-receptor-t-cells-and-stem-cells-achieved-full-donor-engraftment-in-refractory-acute-lymphoblastic-leukemia
#8
Bo Cai, Mei Guo, Yao Wang, Yajing Zhang, Jun Yang, Yelei Guo, Hanren Dai, Changlin Yu, Qiyun Sun, Jianhui Qiao, Kaixun Hu, Hongli Zuo, Zheng Dong, Zechuan Zhang, Mingxing Feng, Bingxia Li, Yujing Sun, Tieqiang Liu, Zhiqing Liu, Yi Wang, Yajing Huang, Bo Yao, Weidong Han, Huisheng Ai
BACKGROUND: Elderly patients with relapsed and refractory acute lymphoblastic leukemia (ALL) have poor prognosis. Autologous CD19 chimeric antigen receptor-modified T (CAR-T) cells have potentials to cure patients with B cell ALL; however, safety and efficacy of allogeneic CD19 CAR-T cells are still undetermined. CASE PRESENTATION: We treated a 71-year-old female with relapsed and refractory ALL who received co-infusion of haplo-identical donor-derived CD19-directed CAR-T cells and mobilized peripheral blood stem cells (PBSC) following induction chemotherapy...
November 25, 2016: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/27877223/prognostic-impact-of-hormone-receptor-and-her2-defined-subtypes-in-inflammatory-breast-cancer-treated-with-high-dose-chemotherapy-a-retrospective-study
#9
Laurys Boudin, Anthony Gonçalves, Patrick Sfumato, Renaud Sabatier, François Bertucci, Carole Tarpin, Magali Provansal, Gilles Houvenaeghel, Eric Lambaudie, Agnes Tallet, Michel Resbeut, Emmanuelle Charafe-Jauffret, Boris Calmels, Claude Lemarie, Jean-Marie Boher, Jean-Marc Extra, Patrice Viens, Christian Chabannon
Purpose: Studies examining high-dose chemotherapy with autologous hematopoietic stem cell transplantation (HDC-AHSCT) strategies in inflammatory breast cancer (IBC), showed encouraging results in terms of disease-free survival (DFS), and overall survival (OS). The lack of data regarding HER2 status in all of these studies prevented any prognostic analysis involving breast cancer subtypes. Methods: All consecutive female patients treated for IBC with HDC and AHSCT at Institut Paoli-Calmettes between 2003 and 2012 were included...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27872734/allogeneic-hematopoietic-stem-cell-transplantation-for-adult-patients-with-fanconi-anemia
#10
Hosein Kamranzadeh Fumani, Mohammad Zokaasadi, Amir Kasaeian, Kamran Alimoghaddam, Asadollah Mousavi, Babak Bahar, Mohammad Vaezi, Ardeshir Ghavamzadeh
BACKGROUND AND OBJECTIVES: Fanconi anemia (FA) is a rare genetic disorder caused by an impaired DNA repair mechanism which leads to an increased tendency toward malignancies and progressive bone marrow failure. The only curative management available for hematologic abnormalities in FA patients is hematopoietic stem cell transplantation (HSCT). This study aimed to report the results of HSCT in adult or adolescent FA patients. PATIENTS AND METHODS: Twenty FA patients with ages of 16 or more who underwent HSCT between 2002 and 2015 enrolled in this study...
2016: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/27872713/expression-of-pluripotent-stem-cell-markers-in-mouse-uterine-tissue-during-estrous-cycle
#11
Kolsum Choobineh, Saeed Zavareh, Mojdeh Salehnia, Mohamad Taghi Ghorbanian, Seyed Hassan Paylakhi
It was assumed that uterine stem cells are responsible for the unique regenerative capacity of uterine. Therefore, the aim of the present study was to investigate the expression of the pluripotent stem cell markers in the mice uterine tissue during different stages of estrous cycles. Twelve virgin female NMRI mice (6 to 8 weeks old) were considered at proestrus, estrus, metestrus and diestrus according to the cell types observed in the vaginal smear and underwent hysterectomy operation. Quantitative real-time polymerase chain reaction (PCR) and immunohistochemical staining for pluripotent stem cell markers (SOX2, OCT4, KLF4, and NANOG) were performed...
2016: Veterinary Research Forum
https://www.readbyqxmd.com/read/27872648/a-58-year-old-female-with-progressive-cough-and-right-shoulder-pain
#12
Sanket R Thakore, Faisal A Khasawneh
Cavitary pneumonia in immunocompromised patients is a challenging entity. Establishing accurate diagnosis and starting effective antibiotics are essential steps towards improving outcome. A 58-year-old stem cell transplant patient was admitted to the hospital with necrotizing pneumonia caused by nocardia. The disease progressed despite of aggrieve antimicrobial therapy. Nocardiosis continues to be a difficult disease to diagnose and treat.
2016: Canadian Journal of Infectious Diseases & Medical Microbiology
https://www.readbyqxmd.com/read/27870437/sex-differences-in-stroke-therapies
#13
REVIEW
Farida Sohrabji, Min Jung Park, Amanda H Mahnke
Stroke is the fifth leading cause of death and acquired disability in aged populations. Women are disproportionally affected by stroke, having a higher incidence and worse outcomes than men. Numerous preclinical studies have discovered novel therapies for the treatment of stroke, but almost all of these have been shown to be unsuccessful in clinical trials. Despite known sex differences in occurrence and severity of stroke, few preclinical or clinical therapeutics take into account possible sex differences in treatment...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27861489/characterizing-transcriptional-networks-in-male-rainbow-darter-etheostoma-caeruleum-that-regulate-testis-development-over-a-complete-reproductive-cycle
#14
Paulina A Bahamonde, Mark E McMaster, Mark R Servos, Christopher J Martyniuk, Kelly R Munkittrick
Intersex is a condition that has been associated with exposure to sewage effluents in male rainbow darter (Etheostoma caeruleum). To better understand changes in the transcriptome that are associated with intersex, we characterized annual changes in the testis transcriptome in wild, unexposed fish. Rainbow darter males were collected from the Grand River (Ontario, Canada) in May (spawning), August (post-spawning), October (recrudescence), January (developing) and March (pre-spawning). Histology was used to determine the proportion of spermatogenic cell types that were present during each period of testicular maturation...
2016: PloS One
https://www.readbyqxmd.com/read/27856208/randomized-comparison-of-allogeneic-vs-autologous-mesenchymal-stem-cells-for-non-lschemic-dilated-cardiomyopathy-poseidon-dcm-trial
#15
Joshua M Hare, Darcy L DiFede, Angela M Castellanos, Victoria Florea, Ana M Landin, Jill El-Khorazaty, Aisha Khan, Muzammil Mushtaq, Maureen H Lowery, John J Byrnes, Robert C Hendel, Mauricio G Cohen, Carlos E Alfonso, Krystalenia Valasaki, Marietsy V Pujol, Samuel Golpanian, Eduard Ghersin, Joel E Fishman, Pradip Pattany, Samirah A Gomes, Cindy Delgado, Roberto Miki, Fouad Abuzeid, Mayra Vidro-Casiano, Courtney Premer, Audrey Medina, Valeria Porras, Konstantinos E Hatzistergos, Erica Anderson, Adam Mendizabal, Raul Mitrani, Alan W Heldman
BACKGROUND: While human mesenchymal stem cells (hMSCs) have been tested in ischemic cardiomyopathy, few studies exist in chronic non-ischemic dilated cardiomyopathy (NIDCM). OBJECTIVES: The POSEIDON-DCM trial is a randomized comparison of safety and efficacy of autologous (auto) vs. allogeneic (allo) bone marrow-derived hMSCs in NIDCM. METHODS: Thirty-seven patients were randomized to either allo- or auto-hMSCs in a 1:1 ratio. Patients were recruited between December 2011 and July 2015 at the University of Miami Hospital...
November 14, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27852680/successful-recovery-and-allogeneic-stem-cell-transplant-following-chemotherapy-induced-severe-cardiomyopathy-literature-review-of-management-and-prognostic-factors
#16
Muhammad Asim Shahzad, Rizwan Ishtiaq, Umar Zahid, Faiz Anwer
Chemotherapy-induced cardiomyopathy is one of the major possible hazards that can result from potential cardiotoxic agents while treating cancer. Prognostic risk factors include the rate of drug administration, history of hypertension, female gender, extremes of age, previous history of mediastinal irradiation, cumulative dose and pre-existing heart disease. Close monitoring of the patients, timely diagnosis, use of well-known biomarkers including cardiac troponins, NT-ProBNP and imaging studies like 2D Echo or cardiac MRI are essential...
November 16, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27848185/pediatric-intestinal-beh%C3%A3-et-disease-complicated-by-myeloid-malignancies
#17
Kiichiro Kanamitsu, Akira Shimada, Ritsuo Nishiuchi, Tomonari Shigemura, Yozo Nakazawa, Kenichi Koike, Yuichi Kodama, Yuichi Shinkoda, Yoshifumi Kawano, Kozo Yasui, Koji Sasaki, Ryosuke Kajiwara, Hirokazu Tsukahara, Atsushi Manabe
Behçet disease (BD) is rarely seen in children. Its clinical manifestations are believed to differ between pediatric and adult patients. The characteristics of BD complicated by myelodysplastic syndrome (MDS) are well established for adult patients; however, because only a few cases of pediatric-onset BD complicated by MDS have been reported, its clinical characteristics remain unknown. We here retrospectively review pediatric-onset BD complicated by myeloid malignancies in Japan, having identified five such patients...
November 15, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27844403/defective-bone-repair-in-c57bl6-mice-with-acute-systemic-inflammation
#18
D A Behrends, D Hui, C Gao, A Awlia, Y Al-Saran, A Li, J E Henderson, P A Martineau
BACKGROUND: Bone repair is initiated with a local inflammatory response to injury. The presence of systemic inflammation impairs bone healing and often leads to malunion, although the underlying mechanisms remain poorly defined. Our research objective was to use a mouse model of cortical bone repair to determine the effect of systemic inflammation on cells in the bone healing microenvironment. QUESTION/PURPOSES: (1) Does systemic inflammation, induced by lipopolysaccharide (LPS) administration affect the quantity and quality of regenerating bone in primary bone healing? (2) Does systemic inflammation alter vascularization and the number or activity of inflammatory cells, osteoblasts, and osteoclasts in the bone healing microenvironment? METHODS: Cortical defects were drilled in the femoral diaphysis of female and male C57BL/6 mice aged 5 to 9 months that were treated with daily systemic injections of LPS or physiologic saline as control for 7 days...
November 14, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27832748/invasive-mucormycosis-in-children-an-epidemiologic-study-in-european-and-non-european-countries-based-on-two-registries
#19
Zoi Dorothea Pana, Danila Seidel, Anna Skiada, Andreas H Groll, Georgios Petrikkos, Oliver A Cornely, Emmanuel Roilides
BACKGROUND: Mucormycosis has emerged as a rare but frequently fatal invasive fungal disease. Current knowledge on paediatric mucormycosis is based on case reports and small series reported over several decades. Contemporary data on a large cohort of patients is lacking. METHODS: Two large international registries (Zygomyco.net and FungiScope™) were searched for mucormycosis cases in ≤19 year-old patients. Cases enrolled between 2005 and 2014 were extracted, and dual entries in the two databases merged...
November 10, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27821706/longitudinal-follow-up-in-female-childhood-cancer-survivors-no-signs-of-accelerated-ovarian-function-loss
#20
A L F van der Kooi, M M van den Heuvel-Eibrink, A van Noortwijk, S J C M M Neggers, S M F Pluijm, E van Dulmen-den Broeder, W van Dorp, J S E Laven
STUDY QUESTION: Is the long-term decline of ovarian function, as reflected by a decrease in serum anti-Müllerian hormone (AMH) concentration, accelerated over time in female childhood cancer survivors (CCS) as compared to healthy women of the same age? SUMMARY ANSWER: The median decline of AMH levels in long-term female CCS is not accelerated and similar to that observed in healthy controls. WHAT IS KNOWN ALREADY: Gonadal function is compromised in female CCS treated with chemotherapy and/or radiation therapy...
November 7, 2016: Human Reproduction
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