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https://www.readbyqxmd.com/read/29313588/paraneoplastic-inverse-myasthenic-syndrome-as-a-presentation-of-bronchogenic-carcinoma
#1
G S Chowdhary, Malav Jhala
Tumours may produce growth factors and cytokines responsible for signs and symptoms distant to the primary or metastatic site. This may be the first sign of a malignancy and its recognition may be critical for early cancer detection. Moreover, proper diagnosis spares the patient of extensive and expensive search for an alternate cause of the neurological dysfunction. In neurological paraneoplastic syndromes like Lambert Eaton Myasthenic syndrome associated with small cell lung cancer, evidence of autoimmunity against presynaptic neuro-muscular junction by anti voltage gated calcium channel anti bodies is well documented...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29278013/behind-human-milk-and-breastfeeding-not-only-food
#2
Luca Pecoraro, Carlo Agostoni, Orsiol Pepaj, Angelo Pietrobelli
After birth, breastfeeding should not be considered only a normal and physiological event; in fact, it encloses both physical and the psychological aspects. Human milk cannot be compared to any formula milk. Specifically, human milk has immunological and nutritional properties and it is considered the best available option which guarantees an adequate growth and an optimal development of a child. Differences in term of mediators and hormones have been shown between infants who were breastfed and ones who were not...
December 26, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/29275318/hypoxia-inducible-factor-expression-and-angiogenesis-analysis-in-the-pituitary-gland-and-patterns-of-death
#3
Maria Kouroupi, Efthimios Sivridis, Dimitrios Papazoglou, Michael I Koukourakis, Alexandra Giatromanolaki
BACKGROUND/AIM: We investigated the expression of angiogenesis and hypoxia markers in the adenohypophysis and neurohypophysis of patients who died from various acute or chronic diseases. MATERIALS AND METHODS: Paraffin-embedded material of pituitary glands (97 patients) was investigated immunohistochemically for vascular density (CD31) and the expression of vascular endothelial growth factor (VEGF) and of hypoxia inducible factors HIF1α and HIF2α. RESULTS: Vascular density, and HIF1α/HIF2α reactivity is directly related with VEGF expression in the pituitary gland, suggesting that the HIF pathway may regulate the vascular density and blood flow in the gland under hypoxic conditions...
January 2018: In Vivo
https://www.readbyqxmd.com/read/29244089/the-historical-progression-from-adl-scrutiny-to-iadl-to-advanced-adl-assessing-functional-status-in-the-earliest-stages-of-dementia
#4
Robert Fieo, Laura Zahodne, Ming X Tang, Jennifer J Manly, Ron Cohen, Yaakov Stern
Background: Decrements in instrumental activities (IADL) have been observed in the prodromal phase of dementia. Given the long pre-dementia stage in neuro-degenerative diseases, it has been proposed that subtle functional changes may precede clinical IADL impairment. Incorporating more challenging advanced ADLs (e.g., volunteer work) into the assessment process may increase the sensitivity of functional measures, thus expanding the window for monitoring or interventions. Methods: Longitudinal cohort study (follow-ups, 18-24 month), subjects aged >60 (n=3635)...
December 13, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29240511/meeting-the-nutritional-needs-of-premature-babies-their-future-is-in-our-hands
#5
Arieh Riskin
The goals of early nutrition in preterm infants are to provide all the necessary vital nutrients, achieve extra-uterine growth rates similar to fetuses of the same gestational age, and support functional neurodevelopmental outcomes that are comparable to those of infants born at term. It is vital to provide nutrition that will maximally support brain growth and development, but over-feeding with accelerated growth, fat accumulation and long-term metabolic consequences should also be avoided. Because the morbidity associated with prematurity increases nutritional and energetic demands, the basic approach is of providing early intensive nutrition...
December 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/29229321/the-role-of-aspirin-heparin-and-other-interventions-in-the-prevention-and-treatment-of-fetal-growth-restriction
#6
REVIEW
Katie M Groom, Anna L David
Fetal growth restriction and related placental pathologies such as preeclampsia, stillbirth, and placental abruption are believed to arise in early pregnancy when inadequate remodeling of the maternal spiral arteries leads to persistent high-resistance and low-flow uteroplacental circulation. The consequent placental ischaemia, reperfusion injury, and oxidative stress are associated with an imbalance in angiogenic/antiangiogenic factors. Many interventions have centered on the prevention and/or treatment of preeclampsia with results pertaining to fetal growth restriction and small-for-gestational-age pregnancy often included as secondary outcomes because of the common pathophysiology...
December 8, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29202272/fish-as-a-model-to-assess-chemical-toxicity-in-bone
#7
REVIEW
Ignacio Fernández, Paulo J Gavaia, Vincent Laizé, M Leonor Cancela
Environmental toxicology has been expanding as growing concerns on the impact of produced and released chemical compounds over the environment and human health are being demonstrated. Among the toxic effects observed in organisms exposed to pollutants, those affecting skeletal tissues (osteotoxicity) have been somehow overlooked in comparison to hepato-, immune-, neuro- and/or reproductive toxicities. Nevertheless, sub-lethal effects of toxicants on skeletal development and/or bone maintenance may result in impaired growth, reduced survival rate, increased disease susceptibility and diminished welfare...
January 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29171434/nischarin-sirna-delivered-by-polyethylenimine-alginate-nanoparticles-accelerates-motor-function-recovery-after-spinal-cord-injury
#8
Yue-Min Ding, Yu-Ying Li, Chu Wang, Hao Huang, Chen-Chen Zheng, Shao-Han Huang, Yang Xuan, Xiao-Yi Sun, Xiong Zhang
A previous study by our group found that inhibition of nischarin promotes neurite outgrowth and neuronal regeneration in Neuro-2a cells and primary cortical neurons. In recent years, more and more studies have shown that nanomaterials have good prospects in treatment of spinal cord injury. We proposed that small interfering RNA targeting nischarin (Nis-siRNA) delivered by polyethyleneimine-alginate (PEI-ALG) nanoparticles promoted motor function recovery in rats with spinal cord injury. Direct microinjection of 5 μL PEI-ALG/Nis-siRNA into the spinal cord lesion area of spinal cord injury rats was performed...
October 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29163530/sense-and-immunity-context-dependent-neuro-immune-interplay
#9
REVIEW
Simmie L Foster, Corey R Seehus, Clifford J Woolf, Sébastien Talbot
The sensory nervous and immune systems, historically considered autonomous, actually work in concert to promote host defense and tissue homeostasis. These systems interact with each other through a common language of cell surface G protein-coupled receptors and receptor tyrosine kinases as well as cytokines, growth factors, and neuropeptides. While this bidirectional communication is adaptive in many settings, helping protect from danger, it can also become maladaptive and contribute to disease pathophysiology...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29143276/long-term-impact-of-temozolomide-on-1p-19q-codeleted-low-grade-glioma-growth-kinetics
#10
C Izquierdo, A Alentorn, A Idbaih, M Simó, G Kaloshi, D Ricard, M Barritault, D Meyronet, J Bruna, J Honnorat, J Y Delattre, F Ducray
Although upfront temozolomide (TMZ) has been widely-used to treat 1p/19q-codeleted diffuse low-grade gliomas (LGG), its long-term impact on the growth kinetics of these tumors has not been determined. Based on serial magnetic resonance images we retrospectively evaluated the evolution of the mean tumor diameter (MTD) in 36 progressive 1p/19q-codeleted LGG treated with upfront TMZ. After TMZ onset, all but two patients (94.4%) presented a progressive MTD decrease that lasted for a median duration of 23 months (range 3-114)...
November 15, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29138651/melanotic-neuroectodermal-tumor-of-infancy-a-rare-presentation-of-an-extremely-rare-neoplasm-and-diagnostic-implications-in-gombe-nigeria
#11
Babatunde Oludare Fakuade, Joshua Biodun Adeoye
Melanotic neuro-ectodermal tumor of infancy is very rare. A unique neoplasm of the formative years, it typically involves the face or cranium; possesses rapid, expansile growth; presents as a firm swelling and displays a high rate of recurrence. Its rarity and unique features make diagnosis and management quite challenging. This challenge is increased in resource-limited settings like ours and with atypical presentation, such as was seen at our center, where patient presented with a bony hard swelling.
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29138647/nodding-syndrome-ns-and-onchocerca-volvulus-ov-in-northern-uganda
#12
David Kitara Lagoro, Denis Anywar Arony
Nodding Syndrome (NS) is a childhood neurological disorder characterized by atonic seizures, cognitive decline, school dropout, muscle weakness, thermal dysfunction, wasting and stunted growth. There are recent published information suggesting associations between Nodding Syndrome (NS) with cerebrospinal fluid (CSF) VGKC antibodies and serum leiomidin-1 antibody cross reacting with Onchocerca Volvulus (OV). These findings suggest a neuro-inflammatory cause of NS and they are important findings in the search for the cause of Nodding Syndrome...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29138344/targeting-the-mycn-parp-dna-damage-response-pathway-inneuroendocrine-prostate-cancer
#13
Wei Zhang, Bo Liu, Wenhui Wu, Likun Li, Bradley M Broom, Spyridon M Basourakos, Dimitrios Korentzelos, Yang Luan, Jianxiang Wang, Guang Yang, Sanghee Park, Abul K Azad, Xuhong Cao, Jeri Kim, Paul Corn, Christopher Logothetis, Ana M Aparicio, Arul M Chinnayan, Nora M Navone, Patricia Troncoso, Timothy C Thompson
PURPOSE: We investigated MYCN-regulated molecular pathways in castration-resistant prostate cancer (CRPC) classified by morphological criteria as adenocarcinoma or neuroendocrine to extend the molecular phenotype, establish driver pathways, and identify novel approaches to combination therapy for NEPC. RESULTS: Using comparative bioinformatics analyses of CRPC-Adeno and CRPC-Neuro RNA sequence data from public datasets and a panel of 28 PDX models we identified a MYCN-PARP-DNA damage response (DDR) pathway that is enriched in CRPC with neuroendocrine differentiation (NED) and CRPC-Neuro...
November 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29125563/effects-of-resveratrol-against-lung-cancer-in-vitro-and-in-vivo-studies
#14
REVIEW
Michael Yousef, Ioannis A Vlachogiannis, Evangelia Tsiani
Uncontrolled cell growth and resistance to apoptosis characterize cancer cells. These two main features are initiated in cancer cells through mutations in key signaling molecules, which regulate pathways that are directly involved in controlling cell proliferation and apoptosis. Resveratrol (RSV), a naturally occurring plant polyphenol, has been shown to have biological effects counteracting different diseases. It has been found to provide cardio-protective, neuro-protective, immuno-modulatory, and anti-cancer health benefits...
November 10, 2017: Nutrients
https://www.readbyqxmd.com/read/29119332/therapeutic-effect-of-vinorine-on-sciatic-nerve-injured-rat
#15
Dongdong Guo, Xingang Lu, Xiaoli Xu, Haixin Gou, Zhiqian Wang, Yi Cao, Xingjing Luo
Vinorine is a monoterpenoid indole alkaloid, a type of natural alkaloids. Growing reports exhibited the numerous pharmacology activities of vinorine such as anti-inflammation, anti-bacterial and anti-tumor. In this study, the effect of vinorine injection (7.5, 15 and 30 mg/kg) on motor function, sensation and nerve regeneration in sciatic nerve crush injury rat was investigated. The results of behavioral analysis, electrophysiological analysis and muscle histological analysis suggested that vinorine promoted the motor function recovery after sciatic nerve injury...
November 8, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/29113931/neurobiological-mechanisms-of-chemotherapy-induced-cognitive-impairment-in-a-transgenic-model-of-breast-cancer
#16
Gordon Winocur, Hal Berman, Mary Nguyen, Malcolm A Binns, Mark Henkelman, Matthijs van Eede, Micheline Piquette-Miller, Melanie J Sekeres, J Martin Wojtowicz, Johnson Yu, Haibo Zhang, Ian F Tannock
Animal studies have reinforced clinical reports of cognitive impairment in cancer survivors following chemotherapy but, until now, all pre-clinical research in this area has been conducted on normal rodents. The present study investigated the effects of chemotherapy on cognition and underlying biological mechanisms in the FVB/N-Tg (MMTV-neu) 202 Mul/J mouse, a well-characterized transgenic model of breast cancer that has similarities to the tumorigenesis which occurs in humans. Tumor-bearing and control mice received three weekly injections of a combination of methotrexate + 5-fluorouracil, or an equal volume of saline...
November 4, 2017: Neuroscience
https://www.readbyqxmd.com/read/29111302/-cryopyrin-associated-periodic-syndromes
#17
P Quartier, F Rodrigues, S Georgin-Lavialle
Cryopyrin-associated periodic syndromes (CAPS) are linked to one single gene mutations, however they are associated with 3 syndromes, which are, from the mildest to the most severe phenotype familial cold urticaria, Muckle-Wells syndrome and chronic, infantile, neurologic, cutaneous, articular (CINCA) syndrome also called neonatal-onset multisystem inflammatory disease (NOMID). Autosomic dominant inheritance is present in most cases but in CINCA/NOMID syndrome where neomutations are more common. Mutations in the gene encoding cryopyrin, NLRP3, are associated with deregulation of caspase-1 activity, excessive interleukin-1 production and an autoinflammatory syndrome, which in familial cold urticaria and Muckle-Wells syndrome may be triggered or worsened by exposure to coldness...
October 27, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29108879/remyelination-modulators-in-multiple-sclerosis-patients
#18
Rabeah Al-Temaimi, Jehad AbuBaker, Irina Al-Khairi, Raed Alroughani
Multiple Sclerosis (MS) is a complex autoimmune neuro-inflammatory disorder characterized by persistent MS plaques in the central nervous system. Resolution of MS plaques is dependent on the remyelination competence of surviving oligodendrocytes and surrounding environment. Here, we assessed myelination modulators in a 100 MS patients against 77 healthy controls. Plasma fractions were used for the assessment of insulin growth factor binding protein1 (IGFBP1), brain-derived neurotrophic factor (BDNF), and lipocalin2 (LCN2) using a Luminex multiplex assay, whereas neurofilament light chain (NF-L) was assessed with an enzyme-linked immunosorbent assay...
December 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29076856/organization-and-scope-of-the-neuro-psychiatric-unit
#19
(no author information available yet)
Editor's note: From its first issue in 1900 through to the present day, AJN has unparalleled archives detailing nurses' work and lives over more than a century. These articles not only chronicle nursing's growth as a profession within the context of the events of the day, but they also reveal prevailing societal attitudes about women, health care, and human rights. Today's nursing school curricula rarely include nursing's history, but it's a history worth knowing. To this end, From the AJN Archives highlights articles selected to fit today's topics and times...
November 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/29046256/capping-effects-on-polymorphic-a%C3%AE-16-21-amyloids-depend-on-their-size-a-molecular-dynamics-simulation-study
#20
Myeongsang Lee, Hyun Joon Chang, Hyunsung Choi, Sungsoo Na
Understanding Aβ amyloid oligomers associated with neuro-degenerative diseases is needed due to their toxic characteristics and mediation of amyloid fibril growth. Depending on various physiological circumstances such as ionic strength, metal ion, and point-residue mutation, oligomeric amyloids exhibit polymorphic behavior and structural stabilities, i.e. showing different conformation and stabilities. Specifically, experimental and computational researchers have found that the capping modulates the physical and chemical properties of amyloids by preserving electrostatic energy interactions, which is one of the dominant factors for amyloid stability...
October 10, 2017: Biophysical Chemistry
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