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Peripheral neurotoxicity

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https://www.readbyqxmd.com/read/27921357/interrelationship-between-mini-mental-state-examination-scores-and-biochemical-parameters-in-patients-with-mild-cognitive-impairment-and-alzheimer-s-disease
#1
Ramasamy Vasantharekha, Hannah P Priyanka, Thangavel Swarnalingam, Avathvadi Venkatesan Srinivasan, Srinivasan ThyagaRajan
AIM: The aim of the present study was to provide first-hand information about the prevalence of mild cognitive impairment (MCI) and Alzheimer's disease (AD) in Tamil Nadu, a southern state in India, and examine if there exists a relationship between cognitive functions and biochemical parameters in these patients. METHODS: Surveys were collected from adults, older men and women (n = 3126) from different regions of Tamil Nadu, which were followed up after 12 months for 1337 participants...
December 6, 2016: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/27920498/feasibility-of-sequential-adjuvant-chemotherapy-with-a-3-month-oxaliplatin-based-regimen-followed-by-3-months-of-capecitabine-in-patients-with-stage-iii-and-high-risk-stage-ii-colorectal-cancer-jswog-c2-study
#2
Atsushi Tsuruta, Kazuki Yamashita, Hiroaki Tanioka, Akihito Tsuji, Michio Inukai, Toshiki Yamakawa, Tomoki Yamatsuji, Masanori Yoshimitsu, Kazuhiro Toyota, Taketoshi Yamano, Takeshi Nagasaka, Masazumi Okajima
BACKGROUND: Six months of oxaliplatin-based chemotherapy is the standard adjuvant chemotherapy for completely resected stage III colorectal cancer (CRC). Also, patients with stage II CRC who are considered to be at high risk of disease recurrence often receive the same adjuvant chemotherapy treatment. We prospectively investigated the extent and degree of neuropathy suffered by stage III and high-risk stage II resectable CRC patients who underwent sequential approach involving 3 months of an oxaliplatin-based regimen followed by 3 months of capecitabine...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27899981/the-effect-and-clinical-efficacy-of-lienal-polypeptide-injection-combined-with-folfox-chemotherapy-regimen-in-colon-cancer-patients
#3
Juan Zhou, Guoping Niu, Yunfeng Pei, Chunping Cao, Chen Ding, Guangming Sun, Jing Guo, Yong Liu, Yang Yu
The aim was to investigate the clinical efficacy and immunomodulatory effect of lienal polypeptide injection combined with postoperative FOLFOX chemotherapy regimen in colon cancer patients. A total of 84 colon cancer patients were selected between January, 2014 and December, 2015. The selected patients were randomly divided into the observation (42 patients) and control (42 patients) groups. The observation group patients were treated with FOLFOX chemotherapy regimen combined with lienal polypeptide, whereas, the control group patients were treated with FOLFOX chemotherapeutic regimen only...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27894788/neurotoxic-mechanisms-of-paclitaxel-are-local-to-the-distal-axon-and-independent-of-transport-defects
#4
Erica L Gornstein, Thomas L Schwarz
Chemotherapy-induced peripheral neuropathy (CIPN) is a dose-limiting side effect of paclitaxel and other chemotherapeutic agents. Paclitaxel binds and stabilizes microtubules, but the cellular mechanisms that underlie paclitaxel's neurotoxic effects are not well understood. We therefore used primary cultures of adult murine dorsal root ganglion neurons, the cell type affected in patients, to examine leading hypotheses to explain paclitaxel neurotoxicity. We address the role of microtubule hyperstabilization and its downstream effects...
November 26, 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27881717/localization-of-1-deoxysphingolipids-to-mitochondria-induces-mitochondrial-dysfunction
#5
Irina Alecu, Andrea Tedeschi, Natascha Behler, Klaus Wunderling, Christian Lamberz, Mario A R Lauterbach, Anne Gaebler, Daniela Ernst, Paul P Van Veldhoven, Ashraf Al-Amoudi, Eicke Latz, Alaa Othman, Lars Kuerschner, Thorsten Hornemann, Frank Bradke, Christoph Thiele, Anke Penno
1-Deoxysphingolipids (deoxySLs) are atypical sphingolipids that are elevated in the plasma of patients with type 2 diabetes and hereditary sensory and autonomic neuropathy type 1 (HSAN1). Clinically, diabetic neuropathy and HSAN1 are very similar, suggesting the involvement of deoxySLs in the pathology of both diseases. However, very little is known about the biology of these lipids and the underlying pathomechanism. We synthesized an alkyne analogue of 1-deoxysphinganine (doxSA), the metabolic precursor of all deoxySLs, to trace the metabolism and localization of deoxySLs...
November 23, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27866096/comparative-effectiveness-and-safety-of-thalidomide-and-lenalidomide-in-patients-with-multiple-myeloma-in-the-united-states-of-america-a-population-based-cohort-study
#6
Jing Luo, Joshua J Gagne, Joan Landon, Jerry Avorn, Aaron S Kesselheim
BACKGROUND: The comparative effectiveness of thalidomide and lenalidomide in the treatment of multiple myeloma has not been established. We conducted an observational cohort study of multiple myeloma patients receiving either thalidomide or lenalidomide in routine care in the United States of America to assess their comparative survival and rates of peripheral neuropathy. METHODS: Myeloma patients were identified and followed using administrative claims data from a large national health insurance provider (UnitedHealth)...
November 17, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27860187/autophagy-activated-by-tuberin-mtor-p70s6k-suppression-is-a-protective-mechanism-against-local-anaesthetics-neurotoxicity
#7
Jingwei Xiong, Qiuyue Kong, Leyang Dai, He Ma, Xiaofei Cao, Li Liu, Zhengnian Ding
The local anaesthetics (LAs) are widely used for peripheral nerve blocks, epidural anaesthesia, spinal anaesthesia and pain management. However, exposure to LAs for long duration or at high dosage can provoke potential neuronal damages. Autophagy is an intracellular bulk degradation process for proteins and organelles. However, both the effects of LAs on autophagy in neuronal cells and the effects of autophagy on LAs neurotoxicity are not clear. To answer these questions, both lipid LAs (procaine and tetracaine) and amide LAs (bupivacaine, lidocaine and ropivacaine) were administrated to human neuroblastoma SH-SY5Y cells...
November 15, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27858292/cisplatin-toxicity-in-dorsal-root-ganglion-neurons-is-relieved-by-meclizine-via-diminution-of-mitochondrial-compromise-and-improved-clearance-of-dna-damage
#8
Murat F Gorgun, Ming Zhuo, Ella W Englander
Chemotherapy-induced neurotoxicity of peripheral nervous system (PNS) hinders efficacy of cancer treatments. Mechanisms initiating PNS injury by anticancer drugs are incompletely understood delaying development of effective management strategies. To understand events triggered in PNS by cancer drugs, we exposed dorsal root ganglion (DRG) neurons to cisplatin, a drug from platinum-based class of chemotherapeutics frequently implicated in peripheral neuropathies. While cisplatin enters cancer cells and forms cisplatin/DNA crosslinks that block cell proliferation, circulating cisplatin can also reach the PNS and produce crosslinks that impede critical DNA transactions in postmitotic neurons...
November 17, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27837574/there-is-no-safe-threshold-for-lead-exposure-%C3%AE-literature-review
#9
Th Vorvolakos, S Arseniou, M Samakouri
: Lead was one of the most dangerous environmental toxic substances for a long time in western countries, and this is still the case for many places on earth today. Its neurotoxic potential is highly significant but its secure blood level concentration remains unknown. The aim of this study was to approach the above issue from the perspective of social psychiatry. A systematic search was made of Dialog and Datastar interfaces for data regarding the neuropsychiatric complications of direct or chronic exposure to lead, and a review of the relevant literature was conducted using the databases Medline, Embase, CAB Global Health and Cochrane...
July 2016: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/27821553/potential-biomarkers-to-follow-the-progression-and-treatment-response-of-huntington-s-disease
#10
Marie-Hélène Disatnik, Amit U Joshi, Nay L Saw, Mehrdad Shamloo, Blair R Leavitt, Xin Qi, Daria Mochly-Rosen
Huntington's disease (HD) is a rare genetic disease caused by expanded polyglutamine repeats in the huntingtin protein resulting in selective neuronal loss. Although genetic testing readily identifies those who will be affected, current pharmacological treatments do not prevent or slow down disease progression. A major challenge is the slow clinical progression and the inability to biopsy the affected tissue, the brain, making it difficult to design short and effective proof of concept clinical trials to assess treatment benefit...
November 14, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27819147/chemotherapy-induced-peripheral-neurotoxicity-outcome-measures-the-issue
#11
Paola Alberti
No abstract text is available yet for this article.
November 17, 2016: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/27795728/radix-astragali-based-chinese-herbal-medicine-for-oxaliplatin-induced-peripheral-neuropathy-a-systematic-review-and-meta-analysis
#12
REVIEW
Bo Deng, Liqun Jia, Zhiqiang Cheng
Background. Treatment of chemotherapy-induced peripheral neuropathy (CIPN) remains a big challenge for oncologists. The aim of this study is to evaluate the effects of Radix Astragali- (RA-) based Chinese herbal medicine in the prevention and treatment of oxaliplatin-induced peripheral neuropathy, including the incidence and grading of neurotoxicity, effective percentage, and nerve conduction velocity. Methods. All randomized controlled trials (RCTs) were found using PubMed, Cochrane, Springer, China National Knowledge Infrastructure (CNKI), and Wanfang Database of China Science Periodical Database (CSPD) by keyword search...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27794123/bmi-lifestyle-factors-and-taxane-induced-neuropathy-in-breast-cancer-patients-the-pathways-study
#13
Heather Greenlee, Dawn L Hershman, Zaixing Shi, Marilyn L Kwan, Isaac J Ergas, Janise M Roh, Lawrence H Kushi
BACKGROUND: Lifestyle factors may be associated with chemotherapy-induced peripheral neuropathy (CIPN). We examined associations between body mass index (BMI) and lifestyle factors with CIPN in the Pathways Study, a prospective cohort of women with invasive breast cancer. METHODS: Analyses included 1237 women who received taxane treatment and provided data on neurotoxicity symptoms. Baseline interviews assessed BMI (normal: <25 kg/m(2); overweight: 25-29.9 kg/m(2); obese: ≥30 kg/m(2)), moderate-to-vigorous physical activity (MVPA) (low: <2...
February 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/27782842/aqueous-extract-of-lithospermi-radix-attenuates-oxaliplatin-induced-neurotoxicity-in-both-in-vitro-and-in-vivo-models
#14
Eun-Sang Cho, Jin-Mu Yi, Jong-Shik Park, You Jin Lee, Chae Jun Lim, Ok-Sun Bang, No Soo Kim
BACKGROUND: Oxaliplatin can induce peripheral neuropathy (OXIPN) as an adverse side effect in cancer patients. Until now, no effective preventive or therapeutic drug has been developed; therefore, the dose-limiting factor of OXIPN is still an obstacle in the use of oxaliplatin to treat cancer patients. In the present study, we report for the first time that the aqueous extract of Lithospermi radix (WLR) can attenuate the OXIPN in both in vitro and in vivo neuropathic models. METHODS: The protective effect of WLR on OXIPN was evaluated in vitro by quantifying nerve growth factor (NGF)-stimulated neurite outgrowth in PC12 cells treated with a combination of oxaliplatin and WLR...
October 26, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27765518/phase-1-2-multiple-ascending-dose-trial-of-the-prostate-specific-membrane-antigen-targeted-antibody-drug-conjugate-mln2704-in-metastatic-castration-resistant-prostate-cancer
#15
Matthew I Milowsky, Matthew D Galsky, Michael J Morris, Daniel J Crona, Daniel J George, Robert Dreicer, Kin Tse, Jesika Petruck, Iain J Webb, Neil H Bander, David M Nanus, Howard I Scher
BACKGROUND: This phase 1/2 study evaluated the dose-limiting toxicity and maximum tolerated dose of MLN2704, a humanized monoclonal antibody MLN591 targeting prostate-specific membrane antigen, linked to the maytansinoid DM1 in patients with progressive metastatic castration-resistant prostate cancer. PATIENTS AND METHODS: A total of 62 patients received MLN2704 at ascending doses on 4 schedules: weekly (60, 84, 118, and 165mg/m(2); 12 patients); every 2 weeks (120, 168, 236, and 330mg/m(2); 15 patients); every 3 weeks (330 and 426mg/m(2); 18 patients); and on days 1 and 15 of a 6-week schedule (6-week cycle, 330mg/m(2); 17 patients)...
December 2016: Urologic Oncology
https://www.readbyqxmd.com/read/27754481/neurotoxic-kynurenine-metabolism-is-increased-in-the-dorsal-hippocampus-and-drives-distinct-depressive-behaviors-during-inflammation
#16
J M Parrott, L Redus, D Santana-Coelho, J Morales, X Gao, J C O'Connor
The kynurenine pathway of tryptophan metabolism has an important role in mediating the behavioral effects of inflammation, which has implications in understanding neuropsychiatric comorbidity and for the development of novel therapies. Inhibition of the rate-limiting enzyme, indoleamine 2,3-dioxygenase (IDO), prevents the development of many of these inflammation-induced preclinical behaviors. However, dysregulation in the balance of downstream metabolism, where neuroactive kynurenines are generated, is hypothesized to be a functionally important pathogenic feature of inflammation-induced depression...
October 18, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27749615/quantification-of-chronic-oxaliplatin-induced-hypoesthesia-in-two-areas-of-the-hand
#17
M Andriamamonjy, J-B Delmotte, F Savinelli, H Beaussier, F Coudore
INTRODUCTION: Oxaliplatin is a platinum derivate widely used in cancer treatment but producing dose-limiting peripheral neurotoxicity. Acute neuropathy is characterized by a transient cold-induced distal allodynia whereas chronic neuropathy leads to sensory loss. In order to design a method for quantitative assessment of oxaliplatin-induced peripheral neuropathy, we developed a study that aims to characterize the most appropriate skin area of the hand to perform sensory tests. METHODS: We included patients treated during at least 6 months with oxaliplatin...
October 1, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/27730514/intranasal-insulin-administration-ameliorates-streptozotocin-icv-induced-insulin-receptor-dysfunction-neuroinflammation-amyloidogenesis-and-memory-impairment-in-rats
#18
N Rajasekar, Chandishwar Nath, Kashif Hanif, Rakesh Shukla
Alzheimer's disease (AD) is associated with reduced insulin level and impairment of insulin receptor (IR) signaling in the brain, which correlates to amyloid pathology, neuroinflammation, and synaptic neurotoxicity. Clinical studies show that intranasal insulin improves memory in AD patients without peripheral hypoglycemia. However, neuroprotective molecular mechanism of the beneficial effect of intranasal insulin in AD pathology is unexplored. Therefore, we investigated the role of intranasal insulin on intracerebroventricular (ICV) streptozotocin (STZ)-induced memory impairment in rats as evaluated in the Morris water maze test...
October 11, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27705071/sarin-gb-o-isopropyl-methylphosphonofluoridate-neurotoxicity-critical-review
#19
Mohamed B Abou-Donia, Briana Siracuse, Natasha Gupta, Ashly Sobel Sokol
Sarin (GB, O-isopropyl methylphosphonofluoridate) is a potent organophosphorus (OP) nerve agent that inhibits acetylcholinesterase (AChE) irreversibly. The subsequent build-up of acetylcholine (ACh) in the central nervous system (CNS) provokes seizures and, at sufficient doses, centrally-mediated respiratory arrest. Accumulation of ACh at peripheral autonomic synapses leads to peripheral signs of intoxication and overstimulation of the muscarinic and nicotinic receptors, which is described as "cholinergic crisis" (i...
November 2016: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/27701409/rgs2-expression-predicts-amyloid-%C3%AE-sensitivity-mci-and-alzheimer-s-disease-genome-wide-transcriptomic-profiling-and-bioinformatics-data-mining
#20
A Hadar, E Milanesi, A Squassina, P Niola, C Chillotti, M Pasmanik-Chor, O Yaron, P Martásek, M Rehavi, D Weissglas-Volkov, N Shomron, I Gozes, D Gurwitz
Alzheimer's disease (AD) is the most frequent cause of dementia. Misfolded protein pathological hallmarks of AD are brain deposits of amyloid-β (Aβ) plaques and phosphorylated tau neurofibrillary tangles. However, doubts about the role of Aβ in AD pathology have been raised as Aβ is a common component of extracellular brain deposits found, also by in vivo imaging, in non-demented aged individuals. It has been suggested that some individuals are more prone to Aβ neurotoxicity and hence more likely to develop AD when aging brains start accumulating Aβ plaques...
October 4, 2016: Translational Psychiatry
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