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Chemotherapy executive function

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https://www.readbyqxmd.com/read/27908748/the-chemotherapeutic-agent-paclitaxel-selectively-impairs-learning-while-sparing-source-memory-and-spatial-memory
#1
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...
November 28, 2016: 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
#2
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...
November 13, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27878584/altered-intrinsic-brain-activity-after-chemotherapy-in-patients-with-gastric-cancer-a-preliminary-study
#3
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
#4
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...
November 13, 2016: 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
#5
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
#6
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...
October 10, 2016: 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
#7
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
https://www.readbyqxmd.com/read/27658980/leukoencephalopathy-and-long-term-neurobehavioural-neurocognitive-and-brain-imaging-outcomes-in-survivors-of-childhood-acute-lymphoblastic-leukaemia-treated-with-chemotherapy-a-longitudinal-analysis
#8
Yin Ting Cheung, Noah D Sabin, Wilburn E Reddick, Deepa Bhojwani, Wei Liu, Tara M Brinkman, John O Glass, Scott N Hwang, Deokumar Srivastava, Ching-Hon Pui, Leslie L Robison, Melissa M Hudson, Kevin R Krull
BACKGROUND: Leukoencephalopathy is observed in some children undergoing chemotherapy for acute lymphoblastic leukaemia, although its effects on long-term outcomes is unknown. This study examines the associations between acute leukoencephalopathy and neurobehavioural, neurocognitive, and brain white matter imaging outcomes in long-term survivors of childhood acute lymphoblastic leukaemia treated with chemotherapy without cranial radiation. METHODS: In this longitudinal analysis, we used data of children with acute lymphoblastic leukaemia at St Jude Children's Research Hospital (Memphis, TN, USA) who had been treated between June 1, 2000, and Oct 31, 2010...
October 2016: Lancet Haematology
https://www.readbyqxmd.com/read/27605868/treatment-resistant-depression-or-dementia-a-case-report
#9
Zhongyong Shi, Shifu Xiao, Xia Li
The current case describes a 78-year-old female with two previous episodes of major depression who presented with both symptoms of depression (amotivation and flattened affect) and typical symptoms of dementia (impaired memory and executive functioning). Even after a detailed clinical exam and neuropsychiatric testing, it remained difficult to definitively classify the diagnosis as either treatment-resistant depression or old-age dementia. After 8 weeks of inpatient treatment, including changing her reserpine-based antihypertensive medication, adjusting her antidepressants, and providing psychotherapy, her depressive and anxiety symptoms improved, but most of her cognitive symptoms persisted...
April 25, 2016: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/27531547/cancer-chemopreventive-effects-of-boswellia-sacra-gum-resin-hydrodistillates-on-invasive-urothelial-cell-carcinoma-report-of-a-case
#10
Ding Xia, Weiwei Lou, Kar-Ming Fung, Cole L Wolley, Mahmoud M Suhail, Hsueh-Kung Lin
A 52-year-old Hispanic male presented with hematuria and was later diagnosed with a large invasive high-grade urothelial cell carcinoma (UCC) of the urinary bladder, but with ambiguous pT1/pT2 staging regarding musclaris propria invasion by UCC. The conventional treatment including radical cystoprostatectomy followed by neoadjuvant chemotherapy with or without radiation therapy was presented. The patient decided to delay the standard therapy until a later stage, but elected to go through transurethral resection of bladder tumor (TURBT) without Bacillus Calmette-Guérin instillation...
August 16, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27529826/non-pharmacological-interventions-for-cognitive-impairment-due-to-systemic-cancer-treatment
#11
REVIEW
Charlene J Treanor, Una C McMenamin, Roisin F O'Neill, Chris R Cardwell, Mike J Clarke, Marie Cantwell, Michael Donnelly
BACKGROUND: It is estimated that up to 75% of cancer survivors may experience cognitive impairment as a result of cancer treatment and given the increasing size of the cancer survivor population, the number of affected people is set to rise considerably in coming years. There is a need, therefore, to identify effective, non-pharmacological interventions for maintaining cognitive function or ameliorating cognitive impairment among people with a previous cancer diagnosis. OBJECTIVES: To evaluate the cognitive effects, non-cognitive effects, duration and safety of non-pharmacological interventions among cancer patients targeted at maintaining cognitive function or ameliorating cognitive impairment as a result of cancer or receipt of systemic cancer treatment (i...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27498291/impaired-brain-metabolism-and-neurocognitive-function-in-childhood-leukemia-survivors-despite-complete-hormone-supplementation-in-adulthood
#12
Cecilia Follin, Eva Marie Erfurth, Aki Johansson, Jimmy Lätt, Pia C Sundgren, Kai Österberg, Gabriella Spulber, Peter Mannfolk, Isabella M Björkman-Burtscher
Cranial radiotherapy is a known risk factor for neurocognitive impairment in survivors of childhood acute lymphoblastic leukemia (ALL). Understanding the nature of cognitive dysfunction during adulthood in ALL survivors is important as it has an impact on major life situations. Thirty-eight (21 women) ALL survivors were investigated 34 years after diagnosis. Median-age was 38 (27-46) years. All were treated with a CRT dose of 24Gy and 11 years (3-13) of complete hormone supplementation. Comparisons were made to 29 matched controls...
November 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27436790/impairment-of-the-executive-function-in-breast-cancer-patients-receiving-chemotherapy-treatment-a-functional-mri-study
#13
L Tao, H Lin, Y Yan, X Xu, L Wang, J Zhang, Y Yu
The aim of this study is to investigate chemotherapy-induced alterations in the functional framework of the brain, and probe the relationship between these changes and executive function impairments in breast cancer patients. Thirty-three breast cancer patients (BC) after receiving chemotherapy and 31 matched healthy controls (HC) were enrolled in this study. All participants received resting-state functional connectivity magnetic resonance imaging (rs-fcMRI) and neuropsychological background tests. The lower functional connectivity of the posterior cingulate cortex (PCC) was found in the left postcentral gyrus, left precentral gyrus, right superior temporal gyrus, right cingulate gyrus and right middle frontal gyrus...
July 19, 2016: European Journal of Cancer Care
https://www.readbyqxmd.com/read/27367824/cytokine-mediated-blood-brain-barrier-disruption-as-a-conduit-for-cancer-chemotherapy-associated-neurotoxicity-and-cognitive-dysfunction
#14
Hannah R Wardill, Kimberley A Mander, Ysabella Za Van Sebille, Rachel J Gibson, Richard M Logan, Joanne M Bowen, Stephen T Sonis
Neurotoxicity is a common side effect of chemotherapy treatment, with unclear molecular mechanisms. Clinical studies suggest that the most frequent neurotoxic adverse events affect memory and learning, attention, concentration, processing speeds and executive function. Emerging preclinical research points toward direct cellular toxicity and induction of neuroinflammation as key drivers of neurotoxicity and subsequent cognitive impairment. Emerging data now show detectable levels of some chemotherapeutic agents within the CNS, indicating potential disruption of blood brain barrier integrity or transport mechanisms...
July 1, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27346235/executive-function-alternations-of-breast-cancer-patients-after-chemotherapy-evidence-from-resting-state-functional-mri
#15
Lu Wang, Yunwen Yan, Xiaofeng Wang, Longxiang Tao, Quan Chen, Yunpeng Bian, Xiaoxuan He, Yikang Liu, Weiping Ding, Yongqiang Yu, Bensheng Qiu
RATIONALE AND OBJECTIVES: Chemotherapy has many side effects on breast cancer patients, including cognition and other brain functions impairment, which can be studied using functional magnetic resonance imaging (fMRI). Our study aimed at investigating the executive function alternations of breast cancer patients after chemotherapy using resting-state fMRI. MATERIALS AND METHODS: This study included 32 breast cancer patients (BC group) and 24 control subjects (HC group)...
October 2016: Academic Radiology
https://www.readbyqxmd.com/read/27345588/uric-acid-and-neurocognitive-function-in-survivors-of-childhood-acute-lymphoblastic-leukemia-treated-with-chemotherapy-only
#16
Yin Ting Cheung, Michelle N Edelmann, Daniel A Mulrooney, Daniel M Green, Wassim Chemaitilly, Neena John, Leslie L Robison, Melissa M Hudson, Kevin R Krull
BACKGROUND: Hyperuricemia is implicated in cardiovascular and cerebrovascular diseases. This study evaluated associations between uric acid (UA), cardiovascular health, and neurocognitive function in adolescent and adult survivors of childhood acute lymphoblastic leukemia treated with chemotherapy only. METHODS: 126 adolescent [mean (SD) age 14.6 (5.0); 7.8 (1.7) years postdiagnosis] and 226 adult survivors [age 25.4 (4.2) years; 18.1 (4.4) years postdiagnosis] completed comprehensive neurocognitive testing...
August 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27269941/chemotherapy-pharmacodynamics-and-neuroimaging-and-neurocognitive-outcomes-in-long-term-survivors-of-childhood-acute-lymphoblastic-leukemia
#17
Kevin R Krull, Yin Ting Cheung, Wei Liu, Slim Fellah, Wilburn E Reddick, Tara M Brinkman, Cara Kimberg, Robert Ogg, Deokumar Srivastava, Ching-Hon Pui, Leslie L Robison, Melissa M Hudson
PURPOSE: To examine associations among methotrexate pharmacodynamics, neuroimaging, and neurocognitive outcomes in long-term survivors of childhood acute lymphoblastic leukemia treated on a contemporary chemotherapy-only protocol. PATIENTS AND METHODS: This longitudinal study linked pharmacokinetic assays collected during therapy to neurocognitive and brain imaging outcomes during long-term follow-up. A total of 218 (72.2%) of 302 eligible long-term survivors were recruited for outcome studies when they were more than 5 years post-diagnosis and older than 8 years of age...
August 1, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27211810/investigation-of-apoptotic-events-at-molecular-level-induced-by-sers-guided-targeted-theranostic-nanoprobe
#18
Nisha Narayanan, Lakshmi V Nair, Varsha Karunakaran, Manu M Joseph, Jyothi B Nair, Ramya A N, Ramapurath S Jayasree, Kaustabh Kumar Maiti
Herein, we have examined distinctive structural and functional variations of cellular components during apoptotic cell death induced by a targeted theranostic nanoprobe, MMP-SQ@GNR@LAH-DOX, which acted as a SERS "on/off" probe in the presence of a MMP protease and executed synergistic photothermal chemotherapy, as reflected by the SERS fingerprinting, corresponding to the phosphodiester backbone of DNA.
June 2, 2016: Nanoscale
https://www.readbyqxmd.com/read/27179744/multifunctional-roles-of-pkc%C3%AE-opportunities-for-targeted-therapy-in-human-disease
#19
REVIEW
Mary E Reyland, David N M Jones
The serine-threonine protein kinase, protein kinase C-δ (PKCδ), is emerging as a bi-functional regulator of cell death and proliferation. Studies in PKCδ-/- mice have confirmed a pro-apoptotic role for this kinase in response to DNA damage and a tumor promoter role in some oncogenic contexts. In non-transformed cells, inhibition of PKCδ suppresses the release of cytochrome c and caspase activation, indicating a function upstream of apoptotic pathways. Data from PKCδ-/- mice demonstrate a role for PKCδ in the execution of DNA damage-induced and physiologic apoptosis...
September 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27168474/levetiracetam-mitigates-doxorubicin-induced-dna-and-synaptic-damage-in-neurons
#20
Jose Felix Moruno Manchon, Yuri Dabaghian, Ndidi-Ese Uzor, Shelli R Kesler, Jeffrey S Wefel, Andrey S Tsvetkov
Neurotoxicity may occur in cancer patients and survivors during or after chemotherapy. Cognitive deficits associated with neurotoxicity can be subtle or disabling and frequently include disturbances in memory, attention, executive function and processing speed. Searching for pathways altered by anti-cancer treatments in cultured primary neurons, we discovered that doxorubicin, a commonly used anti-neoplastic drug, significantly decreased neuronal survival. The drug promoted the formation of DNA double-strand breaks in primary neurons and reduced synaptic and neurite density...
2016: Scientific Reports
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