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https://www.readbyqxmd.com/read/29351920/exceptional-response-to-pembrolizumab-in-a-metastatic-chemotherapy-radiation-resistant-ovarian-cancer-patient-harboring-a-cd274-pd-l1-genetic-rearrangement
#1
Stefania Bellone, Natalia Buza, Jungmin Choi, Luca Zammataro, Laurie Gay, Julia A Elvin, David L Rimm, Yuting Liu, Elena Ratner, Peter E Schwartz, Alessandro D Santin
PURPOSE: Ovarian carcinoma no longer responsive to surgery and chemotherapy remains an incurable disease. Alternative therapeutic options remain desperately needed. EXPERIMENTAL DESIGN: We describe a heavily pretreated ovarian cancer patient with recurrent disease experiencing a remarkable clinical response to treatment with the anti-PD1 immune check-point inhibitor pembrolizumab. The clinical, pathological, and genomic characteristics of this exceptional ovarian cancer responder were carefully investigated using immunohistochemistry (IHC), quantitative multiplex fluorescence methods (ie, automated quantitative analysis, AQUA) and whole exome sequencing (WES) techniques...
January 19, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29350594/determinants-of-perioperative-transfusion-risk-in-patients-with-adult-spinal-deformity
#2
Varun Puvanesarajah, Sandesh S Rao, Hamid Hassanzadeh, Khaled M Kebaish
OBJECTIVE To determine predictors of perioperative allogeneic packed red blood cell (pRBC) transfusion requirement (total units transfused) in patients with adult spinal deformity (ASD). METHODS The authors retrospectively analyzed records of patients aged 18 years or older who underwent surgical correction of ASD that involved 4 or more spinal levels by the same spine surgeon between 2010 and 2016. Data regarding patient characteristics, comorbidities, surgical factors, and perioperative transfusions (up to 10 days after surgery) were analyzed using a linear regression model...
January 19, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29349973/-progress-on-surgical-treatment-for-femoral-head-preservering-in-the-precollapse-stage-of-femoral-head-necrosis
#3
REVIEW
Yi-Heng Ye, Kai Chen, Ke-Ke Jin, Yi-Fan Zhang, Lei Chen
Osteonecrosis of the femoral head(ONFH), a refractory disease characterized by death of the osteocytes and the bone marrow due to inadequate blood supply caused by various mechanisms, usually leads to the collapse of the femoral head and malfunction of the hip joint. The crux is to diagnose ONFH early in the precollapse stage and prevent subsequent progression of collapsing through early interventions, thus delaying or avoiding the replacement of the hip joint. A number of joint salvaging operation treatments for early stage ONFH are available...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29346519/final-results-of-a-multi-institutional-phase-ii-trial-of-re-irradiation-with-concurrent-weekly-cisplatin-and-cetuximab-for-recurrent-or-second-primary-squamous-cell-carcinoma-of-the-head-and-neck
#4
M J Awan, L Nedzi, D Wang, V Tumati, B Sumer, X-J Xie, I Smith, J Truelson, R Hughes, L L Myers, P Lavertu, S Wong, M Yao
Background: The optimal regimen of chemotherapy and re-irradiation (re-XRT) for recurrent head and neck squamous cell carcinoma (HNSCC) is controversial. We report the final outcomes of a multi-center Phase II trial evaluating cetuximab and cisplatin-based chemotherapy concurrent with re-XRT for patients with recurrent HNSCC. Methods and Materials: Patients with unresectable recurrent disease or positive margins after salvage surgery arising within a previously irradiated field with KPS≥70 were eligible for this trial...
January 15, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29340055/concurrent-brain-radiotherapy-and-egfr-tki-may-improve-intracranial-metastases-control-in-non-small-cell-lung-cancer-and-have-survival-benefit-in-patients-with-low-ds-gpa-score
#5
Yongmei Liu, Lei Deng, Xiaojuan Zhou, Youling Gong, Yong Xu, Lin Zhou, Jin Wan, Bingwen Zou, Yongsheng Wang, Jiang Zhu, Zhenyu Ding, Feng Peng, Meijuan Huang, Li Ren, Tim Lautenschlaeger, Feng-Ming Spring Kong, You Lu
Epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) has intracranial activity in EGFR-mutant Non-Small Cell Lung Cancer (NSCLC). The optimal timing of brain radiotherapy (RT) and appropriate patients who need early brain RT remains undetermined. This is a retrospective study of EGFR-mutant NSCLC patients with newly diagnosed brain metastases (BMs) before EGFR-TKI initiation. Intra-cranial progression free survival (IC-PFS) and overall survival (OS) were measured from the date of EGFR-TKI treatment...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339642/significance-of-salvage-autologous-stem-cell-transplantation-for-relapsed-multiple-myeloma-a-nationwide-retrospective-study-in-japan
#6
Tsuyoshi Muta, Toshihiro Miyamoto, Tomohiko Kamimura, Yoshinobu Kanda, Masaharu Nohgawa, Yasunori Ueda, Koji Iwato, Osamu Sasaki, Takehiko Mori, Naoyuki Uchida, Shinsuke Iida, Takahiro Fukuda, Yoshiko Atsuta, Kazutaka Sunami
Autologous stem cell transplantation (ASCT) has been employed for patients with relapsed multiple myeloma (MM) after up-front ASCT. The present retrospective study aimed to examine the survival benefit from salvage ASCT. Among 446 patients with relapsed MM after up-front single ASCT, 70 patients received salvage ASCT, the employment of which reduced the risk of mortality after relapse (p = 0.041). Using the parameters before initial ASCT, the advantage of salvage ASCT compared to standard therapy was confirmed in the subgroup with an international staging system stage of I or II (p = 0...
January 17, 2018: Acta Haematologica
https://www.readbyqxmd.com/read/29337772/salvage-surgery-for-locoregional-failure-in-anal-squamous-cell-carcinoma
#7
Glen R Guerra, Joseph C Kong, Maria-Pia Bernardi, Robert G Ramsay, Wayne A Phillips, Satish K Warrier, A Craig Lynch, Samuel Y Ngan, Alexander G Heriot
BACKGROUND: Anal squamous cell carcinoma is a rare cancer with a high cure rate, making research into the treatment of locoregional failure difficult. OBJECTIVE: The purpose of this study was to examine factors related to local treatment failure and determine the outcomes of patients undergoing local salvage resection. DESIGN: This was a retrospective cohort study. SETTING: This study was conducted at a quaternary referral center...
February 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29335837/backbone-chemical-shift-assignments-of-the-glycine-cleavage-complex-h-protein-of-escherichia-coli
#8
Usha Yadav, Monica Sundd
Glycine cleavage complex H protein (GcvH) is one of the four components that form the glycine cleavage complex (GCS), essential for the synthesis of C1 (one-carbon units) for cell metabolism, by the oxidative cleavage of glycine. The activity of this complex is induced in the presence of exogenous glycine, and is repressed by purines. GCS, in cooperation with GCA (serine hydroxymethyltransferase) regulates the endogenous levels of glycine and C1 units in the cell. GcvH, the lipoamide containing component of the complex, plays an indispensable role in this reaction, as its prosthetic group shuttles between the active site of the three other components of the GCS complex sequentially...
January 15, 2018: Biomolecular NMR Assignments
https://www.readbyqxmd.com/read/29333026/renal-lymphoma-primary-or-first-manifestation-of-aggressive-pediatric-b-cell-lymphoma
#9
Pragnya Coca, Vijay Gandhi Linga, Sadashivudu Gundeti, Ashwani Tandon
Renal lymphoma is an uncommon renal tumor in children. Unlike renal lymphomas presenting as bilateral disease and renal failure, we report a boy who presented with unilateral renal involvement. After initial nephrectomy, he achieved remission with multiagent chemotherapy but relapsed systemically within 3 months. He was initiated on salvage chemotherapy with autologous bone marrow transplant. Even though the initial manifestation was localized lymphoma eventually, it turned out to be a systemic disease. He succumbed to disease at 14 months from diagnosis...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29331266/human-papilloma-virus-specific-t-cells-can-be-generated-from-na%C3%A3-ve-t-cells-for-use-as-an-immunotherapeutic-strategy-for-immunocompromised-patients
#10
Sarah E McCormack, Conrad Russell Y Cruz, Kaylor E Wright, Allison B Powell, Haili Lang, Cornelia Trimble, Michael D Keller, Ephraim Fuchs, Catherine M Bollard
Human papilloma virus (HPV) is a known cause of cervical cancer, squamous cell carcinoma and laryngeal cancer. Although treatments exist for HPV-associated malignancies, patients unresponsive to these therapies have a poor prognosis. Recent findings from vaccine studies suggest that T-cell immunity is essential for disease control. Because Epstein-Barr Virus (EBV)-specific T cells have been highly successful in treating or preventing EBV-associated tumors, we hypothesized that the development of a manufacturing platform for HPV-specific T cells from healthy donors could be used in a third-party setting to treat patients with high-risk/relapsed HPV-associated cancers...
January 10, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29327586/composite-hydrogel-modified-by-igf-1c-domain-improves-stem-cell-therapy-for-limb-ischemia
#11
Xiaomin Wang, Jimin Zhang, Weilong Cui, Yuan Fang, Li Li, Shenglu Ji, Duo Mao, Tingyu Ke, Xin Yao, Dan Ding, Guowei Feng, Deling Kong
Stem cell treatment for critical limb ischemia yields a limited therapeutic effect due to cell loss and dysfunction caused by local ischemic environment. Biomimetic scaffolds emerge as ideal cell delivery vehicles for regulating cell fate via mimicking the components of stem cell niche. Herein, we prepared a bioactive hydrogel by mixing chitosan and hyaluronic acid that is immobilized with C domain peptide of IGF-1 (IGF-1C), and examined whether this hydrogel could augment stem cell survival and therapeutic potential...
January 12, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29327458/lead-induced-dna-damage-and-cell-apoptosis-in-human-renal-proximal-tubular-epithelial-cell-attenuation-via-n-acetyl-cysteine-and-tannic-acid
#12
Manushi Siddarth, Diwesh Chawla, Alpana Raizada, Neelam Wadhwa, Basu D Banerjee, Meera Sikka
This study investigates the exposure of lead-induced reactive oxygen species (ROS) generation, DNA damage, and apoptosis and also evaluates the therapeutic intervention using antioxidants in human renal proximal tubular cells (HK-2 cells). Following treatment of HK-2 cells with an increasing concentration of lead nitrate (0-50 μM) for 24 h, the intracellular ROS level increased whereas the GSH level decreased significantly in a dose-dependent manner. Comet assay results revealed that lead nitrate showed the ability to increase the levels of DNA strand breaks in HK-2 cells...
January 12, 2018: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/29325107/2-o-2-methoxyethyl-nucleosides-are-not-phosphorylated-or-incorporated-into-the-genome-of-human-lymphoblastoid-tk6-cells
#13
Amer F Saleh, Martin Bachman, Catherine C Priestley, Nigel J Gooderham, Patrik Andersson, Scott P Henry, Nick Edmunds, Mick D Fellows
Nucleoside analogues with 2'-modified sugar moieties are often used to improve the RNA target affinity and nuclease resistance of therapeutic oligonucleotides in preclinical and clinical development. Despite their enhanced nuclease resistance, oligonucleotides could slowly degrade releasing nucleoside analogues that have the potential to become phosphorylated and incorporated into cellular DNA and RNA. For the first time, the phosphorylation and DNA and RNA incorporation of 2'-O-(2-methoxyethyl) (2'-O-MOE) nucleoside analogues have been investigated...
January 9, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29324933/brachytherapy-in-soft-tissue-tumours-an-interdisciplinary-challenge
#14
Silvanie Volz, Konstantinos Kalousis, Jung In Song, Tobias Kisch, Eike Wenzel, Peter Mailänder
OBJECTIVE: Interdisciplinary work including surgery and additive radiotherapy is often needed for the therapy of tumours. Beneath this, brachytherapy is an important part of the radiotherapy. It was first used over 100 years ago and is in regular use after the development of afterload technology in the early 1970s. Today it is often used in different tumour therapies, for example in soft tissue sarcoma or breast tumours, in order to decrease the risk of local recurrence. Concerning its benefits, higher doses could be used because of the localized effect with equivalent local control rate and less toxicity of treatment...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29318985/a-randomised-controlled-trial-and-economic-evaluation-of-intraoperative-cell-salvage-during-caesarean-section-in-women-at-risk-of-haemorrhage-the-salvo-cell-salvage-in-obstetrics-trial
#15
Khalid S Khan, Philip Moore, Matthew Wilson, Richard Hooper, Shubha Allard, Ian Wrench, Tracy Roberts, Carol McLoughlin, Lee Beresford, James Geoghegan, Jane Daniels, Sue Catling, Vicki A Clark, Paul Ayuk, Stephen Robson, Fang Gao-Smith, Matthew Hogg, Louise Jackson, Doris Lanz, Julie Dodds
BACKGROUND: Caesarean section is associated with blood loss and maternal morbidity. Excessive blood loss requires transfusion of donor (allogeneic) blood, which is a finite resource. Cell salvage returns blood lost during surgery to the mother. It may avoid the need for donor blood transfusion, but reliable evidence of its effects is lacking. OBJECTIVES: To determine if routine use of cell salvage during caesarean section in mothers at risk of haemorrhage reduces the rates of blood transfusion and postpartum maternal morbidity, and is cost-effective, in comparison with standard practice without routine salvage use...
January 2018: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/29317998/new-and-emerging-therapies-for-acute-and-chronic-graft-versus-host-disease
#16
REVIEW
LaQuisa Hill, Amin Alousi, Partow Kebriaei, Rohtesh Mehta, Katayoun Rezvani, Elizabeth Shpall
Graft versus host disease (GVHD) remains a major cause of morbidity and mortality following allogeneic hematopoietic stem-cell transplantation (HSCT). Despite the use of prophylactic GVHD regimens, a significant proportion of transplant recipients will develop acute or chronic GVHD following HSCT. Corticosteroids are standard first-line therapy, but are only effective in roughly half of all cases with ~50% of patients going on to develop steroid-refractory disease, which increases the risk of nonrelapse mortality...
January 2018: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/29306799/purine-salvage-in-plants
#17
REVIEW
Hiroshi Ashihara, Claudio Stasolla, Tatsuhito Fujimura, Alan Crozier
Purine bases and nucleosides are produced by turnover of nucleotides and nucleic acids as well as from some cellular metabolic pathways. Adenosine released from the S-adenosyl-L-methionine cycle is linked to many methyltransferase reactions, such as the biosynthesis of caffeine and glycine betaine. Adenine is produced by the methionine cycles, which is related to other biosynthesis pathways, such those for the production of ethylene, nicotianamine and polyamines. These purine compounds are recycled for nucleotide biosynthesis by so-called "salvage pathways"...
January 4, 2018: Phytochemistry
https://www.readbyqxmd.com/read/29304116/the-sorafenib-anti-relapse-effect-after-allohsct-is-associated-with-heightened-alloreactivity-and-accumulation-of-cd8-pd-1-cd279-lymphocytes-in-marrow
#18
Andrzej Lange, Emilia Jaskula, Janusz Lange, Grzegorz Dworacki, Dorota Nowak, Aleksandra Simiczyjew, Monika Mordak-Domagala, Mariola Sedzimirska
We studied three FLT3 ITD acute myeloid leukemia (AML) patients who relapsed after allogeneic haematopoietic stem cell transplantation (alloHSCT) and received multikinase inhibitor (MKI) sorafenib as part of salvage therapy. MKI was given to block the effect of FLT3 ITD mutation which powers proliferation of blast cells. However, the known facts that sorafenib is more effective in patents post alloHSCT suggested that this MKI can augment the immune system surveillance on leukaemia. In the present study, we investigated in depth the effect of sorafenib on the alloreactivity seen post-transplant including that on leukaemia...
2018: PloS One
https://www.readbyqxmd.com/read/29301121/association-of-soluble-interleukin-2-receptor-and-c-reactive-protein-with-the-efficacy-of-bendamustine-salvage-treatment-for-indolent-lymphomas-and-mantle-cell-lymphoma
#19
Yukiko Kawaguchi, Tsuyoshi Nakamaki, Maasa Abe, Yuta Baba, So Murai, Megumi Watanuki, Nana Arai, Shun Fujiwara, Nobuyuki Kabasawa, Hiroyuki Tsukamoto, Yui Uto, Hirotsugu Ariizumi, Kouji Yanagisawa, Norimichi Hattori, Hiroshi Harada, Bungo Saito
Bendamustine has demonstrated favourable efficacy in relapsed or refractory indolent lymphoma and mantle cell lymphoma. We retrospectively evaluated the pre-treatment clinical and laboratory factors and their correlation with the clinical outcome of these lymphomas. We analysed 53 patients who had been treated with bendamustine alone (n = 6) or rituximab plus bendamustine (n = 47). The overall response rate was 81.1%, with a complete response (CR) rate of 39.6%. The CR rate was significantly low in patients who had elevated levels of soluble interleukin-2 receptor (p = 0...
January 5, 2018: Acta Haematologica
https://www.readbyqxmd.com/read/29297171/treatment-of-hiv-associated-lymphomas-the-latest-approaches-for-optimizing-outcomes
#20
REVIEW
Natasha B Hunter, Samantha Vogt, Richard F Ambinder
Treatment outcomes for patients with HIV-related lymphoma have improved since the advent of combination antiretroviral therapy. Standard regimens, including intensive regimens, are being used with encouraging results in patients with diffuse large B-cell lymphoma, Burkitt lymphoma, Hodgkin lymphoma, and primary central nervous system lymphoma. Approaches to salvage therapy also parallel those used in patients without HIV infection, including autologous and allogeneic hematopoietic stem cell transplant. Drug interactions with particular antiretrovirals warrant close attention...
December 15, 2017: Oncology (Williston Park, NY)
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