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Chemotherapy executive function

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https://www.readbyqxmd.com/read/28541578/disrupted-development-and-integrity-of-frontal-white-matter-in-patients-treated-for-pediatric-medulloblastoma
#1
John O Glass, Robert J Ogg, Jung W Hyun, Julie H Harreld, Jane E Schreiber, Yimei Li, Amar J Gajjar, Wilburn E Reddick
Background.: Treatment of pediatric medulloblastoma is associated with known neurocognitive deficits that we hypothesize are caused by microstructural damage to frontal white matter (WM). Methods.: Longitudinal MRI examinations were collected from baseline (after surgery but before therapy) to 36 months in 146 patients and at 3 time points in 72 controls. Regional analyses of frontal WM volume and diffusion tensor imaging metrics were performed and verified with tract-based spatial statistics...
May 25, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28459430/chemotherapy-drugs-induce-pyroptosis-through-caspase-3-cleavage-of-a-gasdermin
#2
Yupeng Wang, Wenqing Gao, Xuyan Shi, Jingjin Ding, Wang Liu, Huabin He, Kun Wang, Feng Shao
Pyroptosis, activated by the canonical caspase-1 inflammasomes or caspase-4/5/11 by cytosolic LPS, is critical for immunity(1,2,3). The caspases cleave Gasdermin D (GSDMD) in the middle linker to release autoinhibition on its Gasdermin-N domain that executes pyroptosis via the pore-forming activity(4,5,6,7,8,9). GSDMD belongs to a Gasdermin family sharing the pore-forming domain(4,6,10). The function and mechanism of activation for other Gasdermins are unknown. Here we show that GSDME, originally identified as DFNA5 (Deafness, Autosomal Dominant 5)(11), could switch TNFα or chemotherapy drugs-induced and caspase-3-mediated apoptosis to pyroptosis...
May 1, 2017: Nature
https://www.readbyqxmd.com/read/28452142/impact-of-sleep-fatigue-and-systemic-inflammation-on-neurocognitive-and-behavioral-outcomes-in-long-term-survivors-of-childhood-acute-lymphoblastic-leukemia
#3
Yin Ting Cheung, Tara M Brinkman, Daniel A Mulrooney, Yasmin Mzayek, Wei Liu, Pia Banerjee, Angela Panoskaltsis-Mortari, Deokumar Srivastava, Ching-Hon Pui, Leslie L Robison, Melissa M Hudson, Kevin R Krull
BACKGROUND: Long-term survivors of childhood acute lymphoblastic leukemia (ALL) are at risk for neurocognitive impairment, which may be associated with fatigue, sleep problems, systemic inflammation, and oxidative stress. We examined these associations among survivors of childhood ALL treated with chemotherapy only. METHODS: Survivors of childhood ALL (male, n = 35 and female, n = 35; mean age, 14.3 years [standard deviation, 4.7 years] and mean years from diagnosis, 7...
April 27, 2017: Cancer
https://www.readbyqxmd.com/read/28424560/an-exploratory-study-of-host-polymorphisms-in-genes-that-clinically-characterize-breast-cancer-tumors-and-pretreatment-cognitive-performance-in-breast-cancer-survivors
#4
Theresa A Koleck, Catherine M Bender, Beth Z Clark, Christopher M Ryan, Puja Ghotkar, Adam Brufsky, Priscilla F McAuliffe, Priya Rastogi, Susan M Sereika, Yvette P Conley
PURPOSE: Inspired by the hypothesis that heterogeneity in the biology of breast cancers at the cellular level may account for cognitive dysfunction symptom variability in survivors, the current study explored relationships between host single-nucleotide polymorphisms (SNPs) in 25 breast cancer-related candidate genes (AURKA, BAG1, BCL2, BIRC5, CCNB1, CD68, CENPA, CMC2, CTSL2, DIAPH3, ERBB2, ESR1, GRB7, GSTM1, MELK, MKI67, MMP11, MYBL2, NDC80, ORC6, PGR, RACGAP1, RFC4, RRM2, and SCUBE2), identified from clinically relevant prognostic multigene-expression profiles for breast cancer, and pretreatment cognitive performance...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28421379/role-of-taxanes-in-chemotherapy-related-cognitive-impairment-a-prospective-longitudinal-study
#5
Noemí Cerulla, Àngels Arcusa, José-Blas Navarro, Maite Garolera, Cristina Enero, Glòria Chico, Luís Fernández-Morales
PURPOSE: The aim of this study is to elucidate the role of taxanes on cognition when they are administered as a part of the treatment with a fluorouracil, epirubicin and cyclophosphamide (FEC) regimen for breast cancer (BC). METHODS: Two groups of women (n = 51) with a novel diagnostic of BC that were treated with a combination of FEC alone (6 cycles of FEC) or with taxanes (4 cycles of FEC plus 8 cycles of taxanes) were compared at three moments: before chemotherapy, after its completion (short-term evaluation) and at a mean of 74...
April 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28397504/-chemotherapy-related-cognitive-impairment-in-patients-with-hodgkin-lymphoma-pathophysiology-and-risk-factors
#6
D Fayette, Ľ Gahérová, H Móciková, J Marková, T Kozák, J Horáček
BACKGROUND: Cognitive impairment (impairment of memory, attention, or concentration) is documented in 17-75% of patients with various malignancies treated with chemotherapeutic agents that worsen quality of life. CRCI affects patients of all ages. The impairment of cognitive function in connection with chemotherapy is usually mild, but an event. relationship with dementia remains to be confirmed. Chemotherapy in combination with radiotherapy in Hodgkin lymphoma can cure 80-90% of patients...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28377717/biomarkers-associated-with-cognitive-impairment-in-treated-cancer-patients-potential-predisposition-and-risk-factors
#7
REVIEW
Hélène Castel, Angeline Denouel, Marie Lange, Marie-Christine Tonon, Martine Dubois, Florence Joly
Purpose: Cognitive impairment in cancer patients induced, at least in part, by treatment are frequently observed and likely have negative impacts on patient quality of life. Such cognitive dysfunctions can affect attention, executive functions, and memory and processing speed, can persist after treatment, and their exact causes remain unclear. The aim of this review was to create an inventory and analysis of clinical studies evaluating biological markers and risk factors for cognitive decline in cancer patients before, during, or after therapy...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28359881/ku32-prevents-5-fluorouracil-induced-cognitive-impairment
#8
Michael J Sofis, David P Jarmolowicz, Sam V Kaplan, Rachel C Gehringer, Shea M Lemley, Gaurav Garg, Brian S Blagg, Michael A Johnson
Chemotherapy induced cognitive impairment (i.e. chemobrain) involves acute and long-term deficits in memory, executive function, and processing speed. Animal studies investigating these cognitive deficits have had mixed results, potentially due to variability in the complexity of behavioral tasks across experiments. Further, common chemotherapy treatments such as 5-fluorouracil (5-FU) break down myelin integrity corresponding to hippocampal neurodegenerative deficits and mitochondrial dysfunction. There is little evidence, however, of pharmacological treatments that may target mitochondrial dysfunction...
March 27, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28267750/changes-in-brain-activation-in-breast-cancer-patients-depend-on-cognitive-domain-and-treatment-type
#9
Sanne Menning, Michiel B de Ruiter, Dick J Veltman, Willem Boogerd, Hester S A Oldenburg, Liesbeth Reneman, Sanne B Schagen
BACKGROUND: Cognitive problems in breast cancer patients are common after systemic treatment, particularly chemotherapy. An increasing number of fMRI studies show altered brain activation in breast cancer patients after treatment, suggestive of neurotoxicity. Previous prospective fMRI studies administered a single cognitive task. The current study employed two task paradigms to evaluate whether treatment-induced changes depend on the probed cognitive domain. METHODS: Participants were breast cancer patients scheduled to receive systemic treatment (anthracycline-based chemotherapy +/- endocrine treatment, n = 28), or no systemic treatment (n = 24) and no-cancer controls (n = 31)...
2017: PloS One
https://www.readbyqxmd.com/read/28239298/mir-335-negatively-regulates-osteosarcoma-stem-cell-like-properties-by-targeting-pou5f1
#10
Xiaodong Guo, Ling Yu, Zhengpei Zhang, Guo Dai, Tian Gao, Weichun Guo
BACKGROUND: Evidence is accumulating to link cancer stem cells to the pathogenesis and progression of osteosarcoma. The aim of this study is to investigate the role of miR-335 in osteosarcoma stem cells. METHODS: Tumor spheroid culture and flow cytometry were applied to screen out osteosarcoma stem cells. Real-time quantitative PCR was used to detect the expression level of miR-335 in MG63, U2OS and 143B osteosarcoma stem cells. The relationship of miR-335 expression with osteosarcoma stem cells was then analyzed...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28063894/dysregulation-of-cytokine-mediated-chemotherapy-induced-cognitive-impairment
#11
REVIEW
Xiaojia Ren, Daret K St Clair, D Allan Butterfield
One of the major complaints patients who survive cancer often make is chemotherapy induced cognitive impairment (CICI), which survivors often call "chemo brain." CICI is a side effect of chemotherapy due to the cytotoxicity and neurotoxicity of anti-cancer drugs causing structural and functional changes in brain, even when drugs that do not cross the blood brain barrier (BBB) are used. Diminished cognitive functions including diminution of learning and memory, concentration and attention, processing speed and executive functions that reduce quality of life and ability to work are common signs and symptoms of CICI...
March 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28009650/cancer-related-cognitive-impairment-in-children
#12
Amanda D Hutchinson, Susan M Pfeiffer, Carlene Wilson
PURPOSE OF REVIEW: To review recent research on cancer-related cognitive impairment (CRCI) in children, including correlational studies and interventions in which outcomes have included cognitive test performance, neuroimaging or academic performance. RECENT FINDINGS: Impairments in processing speed, working memory, executive function and attention continue to be demonstrated in survivors of childhood cancers. Children receiving radiation treatment for their cancer demonstrate greater impairment than those who undergo surgery and/or chemotherapy without radiation...
March 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/27965041/trichodermin-induces-c-jun-n-terminal-kinase-dependent-apoptosis-caused-by-mitotic-arrest-and-dna-damage-in-human-p53-mutated-pancreatic-cancer-cells-and-xenografts
#13
Ming-Hsien Chien, Tzong-Huei Lee, Wei-Jiunn Lee, Yen-Hsiu Yeh, Tsai-Kun Li, Po-Chuan Wang, Jih-Jung Chen, Jyh-Ming Chow, Yung-Wei Lin, Michael Hsiao, Shih-Wei Wang, Kuo-Tai Hua
Pancreatic cancer is an aggressive malignancy, which generally responds poorly to chemotherapy. In this study, trichodermin, an endophytic fungal metabolite from Nalanthamala psidii, was identified as a potent and selective antitumor agent in human pancreatic cancer. Trichodermin exhibited antiproliferative effects against pancreatic cancer cells, especially p53-mutated cells (MIA PaCa-2 and BxPC-3) rather than normal pancreatic epithelial cells. We found that trichodermin induced caspase-dependent and mitochondrial intrinsic apoptosis...
March 1, 2017: Cancer Letters
https://www.readbyqxmd.com/read/27908748/the-chemotherapeutic-agent-paclitaxel-selectively-impairs-learning-while-sparing-source-memory-and-spatial-memory
#14
Alexandra E Smith, Richard A Slivicki, Andrea G Hohmann, Jonathon D Crystal
Chemotherapeutic agents are widely used to treat patients with systemic cancer. The efficacy of these therapies is undermined by their adverse side-effect profiles such as cognitive deficits that have a negative impact on the quality of life of cancer survivors. Cognitive side effects occur across a variety of domains, including memory, executive function, and processing speed. Such impairments are exacerbated under cognitive challenges and a subgroup of patients experience long-term impairments. Episodic memory in rats can be examined using a source memory task...
March 1, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/27890459/relationship-of-systemic-cytokine-concentrations-to-cognitive-function-over-two-years-in-women-with-early-stage-breast-cancer
#15
Debra E Lyon, Ronald Cohen, Huaihou Chen, Debra L Kelly, Nancy L McCain, Angela Starkweather, Hyochol Ahn, Jamie Sturgill, Colleen K Jackson-Cook
Cancer and its treatment are frequently associated with cancer-related cognitive impairment (CRCI). While CRCI has been associated with linked to chemotherapy, there is increasing evidence that the condition may start prior to treatment and for some, remain unresolved after active treatment and into survivorship. Although the pathophysiology of the condition is complex, alterations in systemic cytokines, signaling molecules activated in response to infection or injury that trigger inflammation, are a possible mechanism linked to cognitive dysfunction in breast cancer and other conditions...
December 15, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27878584/altered-intrinsic-brain-activity-after-chemotherapy-in-patients-with-gastric-cancer-a-preliminary-study
#16
Hyun Gi Kim, Na-Young Shin, Yunjin Bak, Kyung Ran Kim, Young-Chul Jung, Kyunghwa Han, Seung-Koo Lee, Soo Mee Lim
OBJECTIVES: To characterize the pattern of altered intrinsic brain activity in gastric cancer patients after chemotherapy (CTx). METHODS: Patients before and after CTx (n = 14) and control subjects (n = 11) underwent resting-state functional MRI (rsfMRI) at baseline and 3 months after CTx. Regional homogeneity (ReHo), amplitude of low-frequency fluctuation (ALFF), and fractional ALFF (fALFF) were calculated and compared between the groups using the two-sample t test...
November 23, 2016: European Radiology
https://www.readbyqxmd.com/read/27851909/systemic-cisplatin-exposure-during-infancy-and-adolescence-causes-impaired-cognitive-function-in-adulthood
#17
Tami John, Naomi Lomeli, Daniela A Bota
Cancer survivors diagnosed during infancy and adolescence may be at risk for chemotherapy-related cognitive impairments (CRCI), however the effects of pediatric chemotherapy treatment on adulthood cognitive function are not well understood. Impairments in memory, attention and executive function affect 15-50% of childhood leukemia survivors related to methotrexate exposure. Systemic cisplatin is used to treat a variety of childhood and adult cancers, yet the risk and extent of cognitive impairment due to platinum-based chemotherapy in pediatric patients is unknown...
February 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/27766586/brain-structure-and-function-in-patients-with-ovarian-cancer-treated-with-first-line-chemotherapy-a-pilot-study
#18
D D Correa, J C Root, M Kryza-Lacombe, M Mehta, S Karimi, M L Hensley, N Relkin
Women with ovarian cancer often undergo chemotherapy involving multiple agents. However, little is known about treatment-related central neurotoxicity in this population. The goal of this cross-sectional study was to assess brain structure and function and neurocognitive abilities in patients with ovarian cancer following first-line chemotherapy. Eighteen patients with ovarian, peritoneal and fallopian tube cancer and eighteen healthy controls matched for gender, age and education participated in the study...
October 20, 2016: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/27726029/feasibility-of-baseline-neurocognitive-assessment-using-cogstate-during-the-first-month-of-therapy-for-childhood-leukemia
#19
Stephen A Sands, Brian T Harel, Mirko Savone, Kara Kelly, Veena Vijayanathan, Jennifer Greene Welch, Lynda Vrooman, Lewis B Silverman, Peter D Cole
PURPOSE: Neurocognitive impairment is frequently observed among acute lymphoblastic leukemia (ALL) survivors within the domains of intelligence, attention, processing speed, working memory, learning, and memory. However, few have investigated treatment-induced changes in neurocognitive function during the first months of treatment. Additionally, dysfunction during treatment may be preceded by changes in biomarkers measured within cerebrospinal fluid (CSF). Identification of acute declines in neurocognitive function, as well as predictive genotypes or biomarkers, could guide therapeutic trials of protective interventions...
February 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27709849/neurocognitive-function-and-health-related-quality-of-life-in-pediatric-korean-survivors-of-medulloblastoma
#20
Hee Jung Yoo, Hyery Kim, Hyeon Jin Park, Dong Seok Kim, Young Shin Ra, Hee Young Shin
The neurocognitive function and quality of life of 58 Korean survivors of childhood medulloblastoma were assessed after surgery, cranial radiation and chemotherapy. All patients were evaluated with a battery of neurocognitive function tests and the Pediatric Functional Assessment of Cancer Therapy-Brain Tumor Survivors, which consists of self-report questionnaires on quality of life. The mean full-scale intelligence quotient (IQ), verbal IQ, and performance IQ scores were 90.2, 97.1, and 84.16, respectively...
November 2016: Journal of Korean Medical Science
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