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Cell salvage

Hiroshi Chadani, Soichiro Usui, Oto Inoue, Takashi Kusayama, Shin-Ichiro Takashima, Takeshi Kato, Hisayoshi Murai, Hiroshi Furusho, Ayano Nomura, Hirofumi Misu, Toshinari Takamura, Shuichi Kaneko, Masayuki Takamura
Selenoprotein P (SeP), a liver-derived secretory protein, functions as a selenium supply protein in the body. SeP has been reported to be associated with insulin resistance in humans through serial analysis of gene expression. Recently, SeP has been found to inhibit vascular endothelial growth factor-stimulated cell proliferation in human umbilical vein endothelial cells, and impair angiogenesis in a mouse hind limb model. In this study, the role of SeP in ischemia/reperfusion (I/R) injury has been investigated...
March 16, 2018: International Journal of Molecular Sciences
Adam Gassas, Ponni Sivaprakasam, Michelle Cummins, Patricia Breslin, Katharine Patrick, Mary Slatter, Roderick Skinner, Geof Shenton, Brenda Gibson, Sarah Lawson, Toni Petterson, Michael Potter, Beki James, Rachael Hough, Prashant Hiwarkar, Ajay Vora, Paul Veys, Josu De La Fuente, Robert Wynn, Persis Amrolia
Paediatric therapy-related acute myeloid leukaemia (t-AML) is rare and the outcome is poor. While allogeneic haematopoietic stem cell transplantation (HSCT) is generally the accepted modality of treatment, data regarding salvage chemotherapy, remission induction, conditioning regimens, transplant-related mortality and outcome is scarce. Between 2000 and2016, 36 children with t-AML were treated in seven UK paediatric HSCT centres. The most common salvage protocol for remission induction was FLAG with or without idarubicin and 28 patients were in complete morphological remission prior to BMT...
March 15, 2018: Bone Marrow Transplantation
Steven M Kornblau, Peter P Ruvolo, Rui-Yu Wang, V Lokesh Battula, Elisabeth J Shpall, Vivian R Ruvolo, Teresa McQueen, YiHua Qui, Zhihong Zeng, Sherry Pierce, Rodrigo Jacamo, Suk-Young Yoo, Phuong M Le, Jeffery Sun, Numsen Hail, Marina Konopleva, Michael Andreeff
Mesenchymal stromal cells support acute myeloid leukemia cell survival in the bone marrow microenvironment. Protein expression profiles of acute myeloid leukemia-derived mesenchymal stromal cells are unknown. Reverse phase protein array analysis was performed to compare expression of 151 proteins from acute myeloid leukemia mesenchymal stromal cells (n = 106) with mesenchymal stromal cells from healthy donors (n = 71). Protein expression differed significantly between the two groups with nineteen proteins overexpressed in leukemia stromal cells and nine overexpressed in normal stromal cells...
March 15, 2018: Haematologica
Li-Na Zhang, Yongping Song, Delong Liu
The prognosis of adults with relapsed/refractory (R/R) acute lymphoblastic leukemia (ALL) remains dismal even at this day and age. With salvage chemotherapy, only 29% (range 18 to 44%) of the patients with R/R ALL can be induced into complete remission (CR), with a median overall survival (OS) of 4 months (range 2-6 months). Blinatumomab and inotuzumab ozogamycin (IO) are immunotherapeutic agents that increased CR to 80% and extended survival to 7.7 months in this high-risk population of patients. In the last few years, chimeric antigen receptor (CAR)--engineered T cells have led to major progress in cancer immunotherapy...
March 15, 2018: Journal of Hematology & Oncology
Antoneicka L Harris, Samantha E Lee, Louis K Dawson, Laura A Marlow, Brandy H Edenfield, William F Durham, Thomas J Flotte, Michael Thompson, Daniel L Small, Aidan J Synnott, Svetomir N Markovic, John A Copland
Patient-derived tumor xenograft (PDTX) mouse models were used to discover new therapies for naïve and drug resistant BRAF V600E -mutant melanoma. Tumor histology, oncogenic protein expression, and antitumor activity were comparable between patient and PDTX-matched models thereby validating PDTXs as predictive preclinical models of therapeutic response in patients. PDTX models responsive and non-responsive to BRAF/MEK standard of care (SOC) therapy were used to identify efficacious combination therapies. One such combination includes a CDK4/6 inhibitor that blocks cell cycle progression...
February 16, 2018: Oncotarget
Jad Chahoud, Miao Zhang, Amishi Shah, Sue-Hwa Lin, Louis L Pisters, Shi-Ming Tu
PURPOSE OF REVIEW: In the present review, we summarize the recent developments in the management of germ cell tumors (GCTs). RECENT FINDINGS: Treatment-related acute and late-onset toxicity remains a key challenge in the management of GCTs, with recent evidence showing that the adverse health outcomes of etoposide and cisplatin for four cycles in comparison to bleomycin, etoposide, and cisplatin for three cycles appear to be similar. Recent data showed that multidisciplinary clinic approach and management in experienced academic centers were associated with improved overall survival in GCT patients...
March 13, 2018: Current Opinion in Oncology
Guoqing Jiang, Dousheng Bai, Ping Chen, Jianjun Qian, Shengjie Jin
BACKGROUND: Liver resection was not formerly recommended in patients with both hepatocellular carcinoma (HCC) and portal hypertension because of difficult perioperative bleeding control and postoperative liver failure. Splenectomy is a proven method with which to overcome these problems. To investigate the safety and feasibility of synchronous laparoscopic splenectomy and azygoportal disconnection with hepatectomy (LSDH) for treatment of portal hypertension accompanied with HCC, we describe a clinical cohort of 10 patients who underwent a new technique of synchronous LSDH...
March 1, 2018: Surgical Innovation
Andrew J Jacobs, Carol D Morris, Adam S Levin
BACKGROUND: Reported rates of the incidence of lymph node metastasis in soft tissue sarcoma vary considerably. Many are based on single-institution series and small patient populations. Certain sarcoma subtypes, including synovial sarcoma, have been associated with a higher risk of lymph node involvement. Most single centers have insufficient numbers of patients to assess lymph node metastasis accurately, but larger national databases may allow a more accurate estimation. QUESTIONS/PURPOSES: We queried a large national database and asked the following questions: (1) What proportion of patients with soft tissue sarcoma have lymph node metastasis and distant metastasis? (2) What histologic subtypes are associated with increased risk of nodal metastasis? (3) What is the impact of lymph node metastases and histologic subtype on survival? (4) Does lymph node excision improve survival of patients with soft tissue sarcoma? METHODS: The National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) Program is a national database that covers a geographic cross-section representing approximately 28% of the US population across demographic groups...
March 2018: Clinical Orthopaedics and related Research
Kelly M DeMars, Austin O McCrea, David M Siwarski, Brian D Sanz, Changjun Yang, Eduardo Candelario-Jalil
Ischemic stroke occurs when a clot forms in the brain vasculature that starves downstream tissue of oxygen and nutrients resulting in cell death. The tissue immediately downstream of the blockage, the core, dies within minutes, but the surrounding tissue, the penumbra is potentially salvageable. Prostaglandin E2 binds to four different G-protein coupled membrane receptors EP1-EP4 mediating different and sometimes opposing responses. Pharmacological activation of the EP4 receptor has already been established as neuroprotective in stroke, but the mechanism(s) of protection are not well-characterized...
2018: Frontiers in Neuroscience
Christoph Oing, Pierre Tennstedt, Ronald Simon, Jennifer Volquardsen, Kerstin Borgmann, Carsten Bokemeyer, Cordula Petersen, Ekkehard Dikomey, Kai Rothkamm, Wael Y Mansour
Here we report that BCL2 blocks DNA double strand break (DSB) repair via nonhomologous end-joining (NHEJ), through sequestration of KU80 protein outside the nucleus. We find that this effect is associated with a repair switch to the error-prone PARP1-dependent end-joining (PARP1-EJ). We present in-vitro proof-of-concept for therapeutic targeting of this switch using PARP inhibitor to specifically enhance the radiosensitivity of BCL2-overexpressing cells. Given its erroneous behavior, PARP1-EJ might allow for the accumulation of genetic alterations and tumor progression...
March 8, 2018: Cancer Letters
Naoko Imanishi, Kazue Yoneda, Akihiro Taira, Yoshinobu Ichiki, Naoko Sato, Masanori Hisaoka, Fumihiro Tanaka
BACKGROUND: Alectinib is a highly selective tyrosine kinase inhibitor of anaplastic lymphoma kinase (ALK) and provided a significantly prolonged progression-free survival compared with chemotherapy in patients with advanced non-small cell lung cancer (NSCLC) harboring rearrangements of the ALK gene. Here, we present the first surgical case of ALK-rearranged lung adenocarcinoma with major pathological response in resected specimens after treatment with alectinib. CASE PRESENTATION: A 65-year-old female with clinical stage IIIA-N2 ALK-rearranged adenocarcinoma originating from the left lower lobe presented...
March 9, 2018: Surgical Case Reports
Chong Chyn Chua, Hui Yin Lim, Khai Li Chai, Jeremy Ong, Shirlene Sim, Colin Wood, Michael Dickinson, Philip Campbell, Jennifer Hempton, Hayley King, Claire Dowsing, Krystal Bergin, Sharon Muir, Simon Gibbs, Andrew Grigg
Bortezomib-based induction is often used in transplant-eligible patients with myeloma. The optimal peripheral blood stem cell (PBSC) mobilisation strategy in this context is unclear. We reviewed the efficacy of G-CSF alone (G-alone) vs. G-CSF and cyclophosphamide (G-cyclo: standard dose: 1.5-2 g/m2 ; high dose: 3-4 g/m2 ) PBSC mobilisation strategies in 288 patients who only received bortezomib, cyclophosphamide and dexamethasone (VCD) induction prior to autograft across six apheresis centres from November 2012 to June 2017...
March 9, 2018: Bone Marrow Transplantation
Neil Blumberg, Jill M Cholette, Anthony P Pietropaoli, Richard Phipps, Sherry L Spinelli, Michael P Eaton, Suzie A Noronha, Jerard Seghatchian, Joanna M Heal, Majed A Refaai
Crystalloid infusion is widely employed in patient care for volume replacement and resuscitation. In the United States the crystalloid of choice is often normal saline. Surgeons and anesthesiologists have long preferred buffered solutions such as Ringer's Lactate and Plasma-Lyte A. Normal saline is the solution most widely employed in medical and pediatric care, as well as in hematology and transfusion medicine. However, there is growing concern that normal saline is more toxic than balanced, buffered crystalloids such as Plasma-Lyte and Lactated Ringer's...
February 21, 2018: Transfusion and Apheresis Science
Nan Yang, Zhenyang Gu, Zhanxiang Liu, Wenrong Huang, Shuhong Wang, Lili Wang, Chunji Gao
Multi-kinase inhibitor sorafenib showed dramatic effects in acute myeloid leukemia (AML) cells harboring fms-related tyrosine kinase 3-internal tandem duplication(FLT3-ITD) mutation. However, little is known about its therapeutic effects and underlying mechanisms on AML without this mutation. In this report, sorafenib monotherapy was utilized as a salvage treatment in two relapse/refractory AML patients without FLT3-ITD mutation. A central nervous system(CNS) relapsed patient exhibited significant shrink of tumor volume, the other patient with refractory AML, arising from chronic myelomonocytic leukemia, achieved hematological improvements...
March 7, 2018: Anti-cancer Agents in Medicinal Chemistry
Avyakta Kallam, James O Armitage
Hodgkin's lymphoma (HL) is largely a curable disease with excellent prognosis. The standard of care in patients with relapsed disease has been to try salvage chemotherapy followed by an autologous stem cell transplantation (ASCT). Managing the patients who relapse after ASCT, is challenging. With the approval of targeted therapies such as PD-1 inhibitors, brentuximab vedotin, the outcomes have improved greatly. Areas covered: This review summarizes the current data available on the newer therapies as well as the present strategies used to treat patients with relapsed HL after an autologous stem cell transplantation...
March 9, 2018: Expert Review of Hematology
Christoph Oing, Christoph Seidel, Carsten Bokemeyer
Most germ cell cancer patients with metastatic disease are cured by cisplatin-based combination chemotherapy. 30% of metastatic patients will develop relapse or progress despite adequate first-line treatment and will require salvage therapy, with about 10% of metastasized patients ultimately developing platinum-resistant and fatal disease. Areas covered: Based on a comprehensive literature search of MEDLINE, EMBASE and conference proceedings of ESMO, ASCO and EAU meetings, this review provides an overview on current and potential future treatment options for platinum-refractory germ cell cancer patients including cytostatics and molecularly targeted therapies...
March 8, 2018: Expert Review of Anticancer Therapy
Joni Keto, Tanja Kaartinen, Urpu Salmenniemi, Johanna Castrén, Jukka Partanen, Arno Hänninen, Matti Korhonen, Kaarina Lähteenmäki, Maija Itälä-Remes, Johanna Nystedt
Mesenchymal stromal cells (MSCs) are used as salvage therapy to treat steroid-refractory acute graft-versus-host disease (aGvHD). We studied the immunological response to MSC treatment in 16 aGvHD patients by assessing lymphocyte profiles and three proposed aGvHD serum markers during the MSC treatment. Surprisingly, there were no obvious differences in the lymphocyte profiles between the responders and non-responders. The numbers of T, B, and NK cells were below the normal reference interval in all patients...
June 15, 2018: Molecular Therapy. Methods & Clinical Development
Alina Striha, A John Ashcroft, Anna Hockaday, David A Cairns, Karen Boardman, Gwen Jacques, Cathy Williams, John A Snowden, Mamta Garg, Jamie Cavenagh, Kwee Yong, Mark T Drayson, Roger Owen, Mark Cook, Gordon Cook
BACKGROUND: Multiple myeloma (MM) is a plasma cell tumour with an approximate annual incidence of 4500 in the UK. Therapeutic options for patients with MM have changed in the last decade with the arrival of proteasome inhibitors and immunomodulatory drugs. Despite these options, almost all patients will relapse post first-line autologous stem cell transplantation (ASCT). First relapse management (second-line treatment) has evolved in recent years with an expanding portfolio of novel agents, driving response rates influencing the durability of response...
March 7, 2018: Trials
Sarah J Mitchell, Michel Bernier, Miguel A Aon, Sonia Cortassa, Eun Young Kim, Evandro F Fang, Hector H Palacios, Ahmed Ali, Ignacio Navas-Enamorado, Andrea Di Francesco, Tamzin A Kaiser, Tyler B Waltz, Ning Zhang, James L Ellis, Peter J Elliott, David W Frederick, Vilhelm A Bohr, Mark S Schmidt, Charles Brenner, David A Sinclair, Anthony A Sauve, Joseph A Baur, Rafael de Cabo
The role in longevity and healthspan of nicotinamide (NAM), the physiological precursor of NAD+ , is elusive. Here, we report that chronic NAM supplementation improves healthspan measures in mice without extending lifespan. Untargeted metabolite profiling of the liver and metabolic flux analysis of liver-derived cells revealed NAM-mediated improvement in glucose homeostasis in mice on a high-fat diet (HFD) that was associated with reduced hepatic steatosis and inflammation concomitant with increased glycogen deposition and flux through the pentose phosphate and glycolytic pathways...
March 6, 2018: Cell Metabolism
Karolina Losenkova, Mariachiara Zuccarini, Mikko Helenius, Guillaume Jacquemet, Evgenia Gerasimovskaya, Camilla Tallgren, Sirpa Jalkanen, Gennady G Yegutkin
Intravascular ATP and adenosine have emerged as important regulators of endothelial barrier function, vascular remodeling and neovascularization at various pathological states, including hypoxia, inflammation and oxidative stress. By using human umbilical vein endothelial cells (HUVEC) and bovine vasa vasorum endothelial cells (VVEC) as representatives of macro- and microvessel phenotypes, this study was undertaken to evaluate cellular mechanisms contributing to physiological adaptation of vascular endothelium to hypoxia, with a particular emphasis on ectoenzymatic purine-converting activities and their link to intracellular ATP homeostasis and signaling pathways...
March 4, 2018: Biochimica et Biophysica Acta
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