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lung transplantation pathology

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https://www.readbyqxmd.com/read/29327719/the-histomorphological-spectrum-of-restrictive-chronic-lung-allograft-dysfunction-and-implications-for-prognosis
#1
Jan H von der Thüsen, Elly Vandermeulen, Robin Vos, Birgit Weynand, Erik K Verbeken, Stijn E Verleden
Chronic lung allograft dysfunction continues to be the main contributor to poor long-term allograft survival after lung transplantation. The restrictive phenotype of chronic lung allograft dysfunction carries a particularly poor prognosis. Little is known about the pathogenetic mechanisms involved in restrictive chronic lung allograft dysfunction. In this study, we performed histomorphological and immunohistochemical analysis of restrictive chronic lung allograft dysfunction lungs. Explant lung tissue from 21 restrictive chronic lung allograft dysfunction patients was collected and histopathologic patterns of rejection, fibrosis and vascular changes were scored after routine histochemical stains and additional immunohistochemistry for endothelial markers and C4d...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29250453/pulmonary-neuroendocrine-cell-hyperplasia-associated-with-surfactant-protein-c-gene-mutation
#2
Norlalak Jiramethee, David Erasmus, Lawrence Nogee, Andras Khoor
Familial interstitial lung disease (ILD) is defined as presence of ILD in 2 or more family members. Surfactant protein C (SFTPC) gene mutations are rare, but well-known cause of familial ILD. We reported a 20-year-old male, who was referred for lung transplantation. He was symptomatic at age 3 and underwent surgical lung biopsy at age 6, which revealed a nonspecific interstitial pneumonia (NSIP) pattern. Genetic workup revealed a novel SFTPC mutation in the first intron with a C to A transversion. At age 21, he underwent bilateral lung transplantation...
2017: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/29216777/the-long-and-winding-road-stem-cells-for-cystic-fibrosis
#3
Massimo Conese, Elisa Beccia, Stefano Castellani, Sante Di Gioia, Carla Colombo, Antonella Angiolillo, Annalucia Carbone
Cystic fibrosis (CF) is a genetic syndrome with a high mortality rate due to severe lung disease. Despite having several drugs targeting specific mutated CFTR proteins already in clinical trials, new therapies, based on stem cells, are also emerging to treat those patients. Areas covered: The authors review the main sources of stem cells, including embryonic stem cells (ESCs), induced-pluripotent stem cells (iPSCs), gestational stem cells, and adult stem cells, such as mesenchymal stem cells (MSCs) in the context of CF...
December 8, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29198690/preexisting-cerebral-aspergillosis-successfully-treated-after-liver-transplantation-a-case-report
#4
J S Lee, S-H Kim, J H Kwon, Y C Yoon
BACKGROUND: Invasive aspergillosis (IA) is a rare condition that generally affects immunosuppressed patients. The mortality of IA is known to be >90% in liver transplantation (LT) recipients; the lung is the most commonly affected organ, followed by the brain. There have been reports in the literature of cerebral aspergillosis (CA) in LT recipients. In all previous reports, CA developed after LT. We present the first case (to the best of our knowledge) of preexisting CA diagnosed and successfully treated after LT...
December 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29190645/cd105-mesenchymal-stem-cells-migrate-into-osteoarthritis-joint-an-animal-model
#5
Pablo Fernandez-Pernas, Iván Rodríguez-Lesende, Alexandre de la Fuente, Jesús Mateos, Isaac Fuentes, Javier De Toro, Fco J Blanco, M C Arufe
Mesenchymal stem cells are being the focus of connective tissue technology and regenerative medicine, presenting a good choice cell source for improving old and well recognized techniques of cartilage defect repair. For instance, the autologous chondrocyte transplantation using new concepts of regenerative medicine. The present study investigated the risk of xenogenicity of human synovial membrane-derived MSCs, injected into the monkeys using intravenous and intra-articular administration. The animal models used were adult monkeys Rhesus which had been injured into the left knee to create an Osteoarthritis (OA) animal model...
2017: PloS One
https://www.readbyqxmd.com/read/29188366/pre-operative-neutrophil-count-and-neutrophil-lymphocyte-count-ratio-nlcr-in-predicting-the-histological-grade-of-paediatric-brain-tumours-a-preliminary-study
#6
J R F Wilson, F Saeed, A K Tyagi, J R Goodden, G Sivakumar, D Crimmins, M Elliott, S Picton, P D Chumas
INTRODUCTION: The neutrophil-lymphocyte count ratio (NLCR) is an established prognostic marker for renal, lung and colorectal carcinomas and has been suggested to be predictive of histological grade and outcome in adult intracranial tumours. The purpose of this study was to determine whether a correlation of the pre-operative neutrophil count (NC) and NLCR with the final histological grade exists in paediatric intracranial tumours. METHODS: A retrospective analysis was undertaken at a single centre...
November 29, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29183009/hypoxia-induced-mesenchymal-stromal-cells-exhibit-an-enhanced-therapeutic-effect-on-radiation-induced-lung-injury-in-mice-due-to-an-increased-proliferation-potential-and-enhanced-antioxidant-ability
#7
Bailong Li, Cheng Li, Mo Zhu, Youjun Zhang, Jicong Du, Yang Xu, Bin Liu, Fu Gao, Hu Liu, Jianming Cai, Yanyong Yang
BACKGROUND/AIMS: Radiation therapy is an important treatment for thoracic cancer; however, side effects accompanied with radiotherapy lead to limited tumor control and a decline in patient quality of life. Among these side effects, radiation-induced lung injury (RILI) is the most serious and common. Hence, an effective remedy for RILI is needed. Mesenchymal stromal cells (MSCs) are multipotent adult stem cells that have been demonstrated to be an effective treatment in some disease caused by tissue damage...
November 29, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29151418/-vegf165-transfected-endothelial-progenitor-cells-mediated-by-lentivirus-alleviated-ali-in-rats
#8
Zhaohui He, Huiwei He, Yuanhua Lu, Zhi Chen, Fanghua Xu, Rongsheng Wang, Chunli Yang
OBJECTIVE: To investigate the protective effects of vascular endothelial growth factor-165 (VEGF165) transfected the endothelial progenitor cells (EPCs) mediated by lentivirus on acute lung injury (ALI) in rats. METHODS: The mononuclear cells from the male Sprague-Dawley (SD) rats were isolated and cultured to get the EPCs for study. The lentivirus vector carrying the human VEGF165 gene was constructed. According to the random number table method, 90 male SD rats were divided into ALI model group, phosphate buffer solution (PBS) group, EPCs treatment group, none transfected EPCs treatment group and VEGF165 transfected EPCs treatment group, and the rats in each group were subdivided into 4, 12 and 48 hours subgroups, with 6 rats in each subgroup...
November 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29141316/-a-clinical-analysis-of-micafungin-treatment-of-pulmonary-invasive-fungal-infection-in-pediatric-patients-with-acute-leukemia-or-post-hematopoietic-stem-cells-transplantation
#9
K Huang, K Y Qiu, L L Deng, J P Fang, Y Li, H X Guo, D H Zhou
Objective: To investigate the efficacy and safety of micafungin (MCF) for pulmonary invasive fungal disease (PIFD) in pediatric patients with acute leukemia or post hematopoietic stem cells transplantation. Method: Twenty-five neutropenic PIFD children with acute leukemia or post hematopoietic stem cells transplantation in Sun Yat-sen Memorial Hospital of Sun Yat-sen University were selected from January 2012 to June 2015, including 12 males and 13 females, age range 2-15 (average 6.2±2.0) years. There were 12 cases of acute leukemia (AL) after chemotherapy, 4 cases of acute leukemia (AL) after allogeneic hematopoietic stem cell transplantation (allo-HSCT) and 9 cases of β-thalassemia major after allo-HSCT...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29133921/metabolomics-identifies-metabolite-biomarkers-associated-with-acute-rejection-after-heart-transplantation-in-rats
#10
Feng Lin, Yi Ou, Chuan-Zhong Huang, Sheng-Zhe Lin, Yun-Bin Ye
The aim of this study was to identify metabolite biomarkers associated with acute rejection after heart transplantation in rats using a LC-MS-based metabolomics approach. A model of heterotopic cardiac xenotransplantation was established in rats, with Wistar rats as donors and SD rats as recipients. Blood and cardiac samples were collected from blank control rats (Group A), rats 5 (Group B) and 7 days (Group C) after heart transplantation, and pretreated rats 5 (Group D) and 7 days (Group E) post-transplantation for pathological and metabolomics analyses...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29050111/-a-long-term-follow-up-report-of-pediatric-relapsed-wilms-tumor-after-retreatment
#11
T Y Wang, C Pan, Y J Gao, W T Hu, Q D Ye, M Zhou, J Y Tang
Objective: To investigate the long-term efficacy and prognostic factors of pediatric relapsed Wilms tumor (WT) after retreatment. Method: Sixteen children in Shanghai Children's Medical Center with relapsed Wilms tumor were enrolled consecutively in this study between April 2006 and June 2016. All patients were diagnosed according to pathology, imaging and medical and surgical oncologist's assistance. Relapse treatment included surgical excision, chemotherapy and selective radiation therapy. The clinical features, long-term outcomes and prognostic factors of patients were analyzed retrospectively...
October 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29044226/bone-marrow-transplant-induced-alterations-in-notch-signaling-promote-pathologic-th17-responses-to-%C3%AE-herpesvirus-infection
#12
S J Gurczynski, X Zhou, M Flaherty, C A Wilke, B B Moore
Idiopathic pneumonia syndrome (IPS) is a common, often fatal, complication following hematopoietic stem cell transplantation (HSCT) characterized by severe pneumonitis and interstitial fibrosis. Fully reconstituted syngeneic bone marrow transplant (BMT) mice infected with murine γ-herpesvirus-68 develop interleukin-17 (IL-17)-driven pneumonitis and fibrosis, which mimics clinical manifestations of IPS. We found CD103+ and CD11b+ dendritic cells (DCs) are selectively deficient for the Notch ligand, DLL4, following BMT and CD4+ T cells isolated from lungs and spleens of infected BMT mice display Notch signaling defects...
October 18, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/29019755/interstitial-lung-disease-in-children-made-easier%C3%A2-well-almost
#13
Thomas R Semple, Michael T Ashworth, Catherine M Owens
Interstitial lung disease (ILD) in pediatric patients is different from that in adults, with a vast array of pathologic conditions unique to childhood, varied modes of presentation, and a different range of radiologic appearances. Although rare, childhood ILD (chILD) is associated with significant morbidity and mortality, most notably in conditions of disordered surfactant function, with respiratory failure in 100% of neonates with surfactant protein B dysfunction and 100% mortality without lung transplantation...
October 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28993607/liver-transplantation-for-high-risk-hepatocellular-carcinoma-after-liver-resection-a-sequential-or-salvage-approach
#14
Chih-Che Lin, Ahmed M Elsarawy, Wei-Feng Li, Ting-Lung Lin, Chee-Chien Yong, Shih-Ho Wang, Chih-Chi Wang, Fang-Ying Kuo, Yu-Fan Cheng, Chao-Long Chen
BACKGROUND Liver transplantation (LT) is the best radical treatment of hepatocellular carcinoma (HCC). Salvage liver transplantation (SalvLT) provides good outcomes for recurrent HCC cases after initial curative liver resection (LR). However, the salvage strategy is not feasible in all situations due to aggressive recurrences. Recently, sequential liver transplantation (SeqLT) was proposed for cases that show adverse pathological features after LR, thus LT is performed pre-emptively before recurrence. In this report, we compared the outcomes of SalvLT and SeqLT for surgical treatment of HCC...
October 10, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28988608/routine-c4d-immunohistochemistry-in-cardiac-allografts-long-term-outcomes
#15
Aliya N Husain, Kamran M Mirza, Savitri E Fedson
BACKGROUND: In the past decade, C4d has emerged as a potential marker for antibody-mediated rejection (AMR); however, evidence on its use as a prognostic tool has been controversial. Although the International Society for Heart and Lung Transplantation guideline recommends early routine surveillance of C4d in heart transplantation, there is no consensus on its value in the pathologic assessment of AMR. Herein we present a correlation analysis of C4d immunoreactivity in endomyocardial biopsies with clinical cardiac dysfunction, cellular rejection, human leukocyte antigen (HLA) status, cardiac allograft vasculopathy (CAV) and death...
December 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28967806/pulmonary-pathologic-manifestations-of-anti-alanyl-trna-synthetase-anti-pl-12-related-inflammatory-myopathy
#16
Frank Schneider, Samuel A Yousem, Chester V Oddis, Rohit Aggarwal
CONTEXT: - Patients with anti-aminoacyl-tRNA synthetase syndrome (ARS), a subset of idiopathic inflammatory myopathy, have a high prevalence of lung involvement. Autoantibodies directed against alanyl-tRNA synthetase (anti-PL-12 Abs) represent 1 of the 8 autoantibodies currently described under the rubric of ARS. OBJECTIVE: - To describe the clinical, radiographic, and pulmonary histopathologic findings in patients possessing anti-PL-12 autoantibodies. DESIGN: - Patients with anti-PL-12 ARS were identified in the University of Pittsburgh Idiopathic Inflammatory Myopathy registry...
October 2, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28966983/late-recurrence-of-hepatocellular-carcinoma-after-liver-transplantation
#17
Julia A Zhang, Sandi A Kwee, Linda L Wong
AIMS: Hepatocellular carcinoma (HCC) is the third leading cause of cancer deaths worldwide and liver transplant (LT) prolongs survival. However, 15-20% will experience recurrent HCC, most occurring within 2 years of LT. HCC patients with late recurrences (>5 years after LT) may have distinctive clinical/biological characteristics. METHODS: A retrospective review was conducted of 88 patients who underwent LT for HCC between 1993-2015, analyzing demographics, clinical factors, explant pathology, and outcome...
2017: Hepatoma Research
https://www.readbyqxmd.com/read/28965826/transfusion-associated-hypoxemia-in-pediatric-patients-with-solid-tumors-after-autologous-peripheral-blood-stem-cell-transplantation
#18
Ryu Yanagisawa, Seiki Abe, Ikuko Fujihara, Kazutoshi Komori, Yoshiaki Kondo, Kazuo Sakashita, Tomohiko Nakamura
BACKGROUND: Although several types of transfusion-related adverse reactions (TRARs) have been reported, one of the most important involves respiratory features during and after blood transfusion. Transfusion-related acute lung injury (TRALI) and transfusion-associated circulatory overload (TACO) are the most severe adverse events following blood transfusion, whereas transfusion-associated dyspnea (TAD) is a less severe respiratory distress. However, there exists little evidence of these factors in pediatric populations...
September 20, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28954696/the-effect-of-immune-checkpoint-inhibitors-on-lung-metastases-of-osteosarcoma
#19
Takahiro Shimizu, Yasushi Fuchimoto, Kazumasa Fukuda, Hajime Okita, Yuko Kitagawa, Tatsuo Kuroda
BACKGROUND/PURPOSE: The prognosis of patients with metastases remains unsatisfactory in certain pediatric solid tumors. In this study, we evaluated the efficacy of immune checkpoint inhibitors against such metastases using a murine model of osteosarcoma. METHODS: Murine osteosarcoma LM8 cells were transplanted subcutaneously into C3H mice. The primary tumor lesion was surgically resected 11 days after transplantation. Two hundred micrograms of three antibodies (anti-PD-1, anti-PD-L1, and anti-OX-86) or an isotype antibody were administered intraperitoneally on post-transplantation days 11, 14, 18, and 21...
September 4, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28912844/triptolide-inhibits-cd4-memory-t-cell-mediated-acute-rejection-and-prolongs-cardiac-allograft-survival-in-mice
#20
Shuiwei Qiu, Dingliang Lv
There have been numerous investigations into the immunosuppressive effects of triptolide; however, its inhibitory effects on memory T cells remain to be elucidated. Using a cluster of differentiation (CD)4(+) memory T-cell transfer model, the aim of the present study was to determine the inhibitory effects of triptolide on CD4(+) memory T cell-mediated acute rejection and to determine the potential underlying mechanisms. At 4 weeks after skin transplantation, mouse cervical heart transplantation was performed following the transfer of CD4(+) memory T cells...
October 2017: Experimental and Therapeutic Medicine
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