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https://www.readbyqxmd.com/read/28649597/early-diagnosis-of-mild-cognitive-impairment-and-alzheimer-s-disease-based-on-salivary-lactoferrin
#1
Eva Carro, Fernando Bartolomé, Félix Bermejo-Pareja, Alberto Villarejo-Galende, José Antonio Molina, Pablo Ortiz, Miguel Calero, Alberto Rabano, José Luis Cantero, Gorka Orive
INTRODUCTION: The Alzheimer's disease (AD) process is likely initiated many years before clinical onset. Biomarkers of preclinical disease are critical for the development of disease-modifying or even preventative therapies. Current biomarkers for early disease, including cerebrospinal fluid tau and amyloid β (Aβ) levels, structural and functional magnetic resonance imaging, and the use of brain amyloid imaging, are limited because they are very invasive or expensive. Noninvasive biomarkers may be a more accessible alternative, but none can currently detect preclinical AD with the required sensitivity and specificity...
2017: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
https://www.readbyqxmd.com/read/28649419/identification-of-transcription-factors-that-promote-the-differentiation-of-human-pluripotent-stem-cells-into-lacrimal-gland-epithelium-like-cells
#2
Masatoshi Hirayama, Shigeru B H Ko, Tetsuya Kawakita, Tomohiko Akiyama, Sravan K Goparaju, Atsumi Soma, Yuhki Nakatake, Miki Sakota, Nana Chikazawa-Nohtomi, Shigeto Shimmura, Kazuo Tsubota, Minoru S H Ko
Dry eye disease is the most prevalent pathological condition in aging eyes. One potential therapeutic strategy is the transplantation of lacrimal glands, generated in vitro from pluripotent stem cells such as human embryonic stem cells, into patients. One of the preceding requirements is a method to differentiate human embryonic stem cells into lacrimal gland epithelium cells. As the first step for this approach, this study aims to identify a set of transcription factors whose overexpression can promote the differentiation of human embryonic stem cells into lacrimal gland epithelium-like cells...
2017: NPJ Aging and Mechanisms of Disease
https://www.readbyqxmd.com/read/28647590/differences-in-the-coronal-proteome-acquired-by-particles-depositing-in-the-lungs-of-asthmatic-versus-healthy-humans
#3
Abhinav Kumar, Elif Melis Bicer, Paul Pfeffer, Marco P Monopoli, Kenneth A Dawson, Jonny Eriksson, Katarina Edwards, Steven Lynham, Matthew Arno, Annelie F Behndig, Anders Blomberg, Graham Somers, Dave Hassall, Lea Ann Dailey, Ben Forbes, Ian Mudway
Most inhaled nanomedicines in development are for the treatment of lung disease, yet little is known about their interaction with the respiratory tract lining fluids (RTLF). Here we combined the use of nano-silica, as a protein concentrator, with label-free snapshot proteomics (LC-MS/MS; key findings confirmed by ELISA) to generate a quantitative profile of the RTLF proteome and provided insight into the evolved corona; information that may be used in future to improve drug targeting to the lungs by inhaled medicines...
June 21, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28647337/comparison-of-bayesian-regression-models-and-partial-least-squares-regression-for-the-development-of-infrared-prediction-equations
#4
V Bonfatti, F Tiezzi, F Miglior, P Carnier
The objective of this study was to compare the prediction accuracy of 92 infrared prediction equations obtained by different statistical approaches. The predicted traits included fatty acid composition (n = 1,040); detailed protein composition (n = 1,137); lactoferrin (n = 558); pH and coagulation properties (n = 1,296); curd yield and composition obtained by a micro-cheese making procedure (n = 1,177); and Ca, P, Mg, and K contents (n = 689). The statistical methods used to develop the prediction equations were partial least squares regression (PLSR), Bayesian ridge regression, Bayes A, Bayes B, Bayes C, and Bayesian least absolute shrinkage and selection operator...
June 21, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28646814/nutritional-management-of-metabolic-endotoxemia-a-clinical-review
#5
Benjamin I Brown
Context • Diet-induced, metabolic endotoxemia is emerging as an important contributory factor to the development of a wide range of chronic diseases, including cardiometabolic, autoimmune, psychiatric, and neurodegenerative illnesses. Emerging human clinical studies have demonstrated that diet and dietary components are potent modifiers of circulating endotoxins and can be used to reduce plasma levels significantly and improve metabolic health. Objective • The aim of the current study was to explore briefly the concept of metabolic endotoxemia and its relationship to disease development, to examine the influence of diet and dietary components on circulating endotoxins, and, finally, discuss the clinical relevance of nutritional interventions for management of metabolic endotoxemia...
July 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28642848/mycobacterium-tuberculosis-glyceraldehyde-3-phosphate-dehydrogenase-gapdh-functions-as-a-receptor-for-human-lactoferrin
#6
Himanshu Malhotra, Anil Patidar, Vishant M Boradia, Rajender Kumar, Rakesh D Nimbalkar, Ajay Kumar, Zahid Gani, Rajbeer Kaur, Prabha Garg, Manoj Raje, Chaaya I Raje
Iron is crucial for the survival of living cells, particularly the human pathogen Mycobacterium tuberculosis (M.tb) which uses multiple strategies to acquire and store iron. M.tb synthesizes high affinity iron chelators (siderophores), these extract iron from host iron carrier proteins such as transferrin (Tf) and lactoferrin (Lf). Recent studies have revealed that M.tb may also relocate several housekeeping proteins to the cell surface for capture and internalization of host iron carrier protein transferrin...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28642299/dysfunctional-neutrophil-effector-organelle-mobilisation-and-microbicidal-protein-release-in-alcohol-related-cirrhosis
#7
Thomas Henry Tranah, Godhev K Manakkat Vijay, Jennifer M Ryan, Robin Daniel Abeles, Paul Kevin Middleton, Debbie Lindsay Shawcross
BACKGROUND AND AIMS: Patients with alcohol-related cirrhosis (ALD) are prone to infection. Circulating neutrophils in ALD are dysfunctional and predict development of sepsis, organ dysfunction and survival. Neutrophil granules are important effector organelles containing a toxic array of microbicidal proteins, whose controlled release is required to kill micro-organisms whilst minimising inflammation and damage to host tissue. We investigated the role of these granular responses in contributing to immune disarray in ALD...
June 22, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28637804/bioactive-immune-components-of-anti-diarrheagenic-enterotoxigenic-e-coli-etec-hyperimmune-bovine-colostrum-products
#8
Khandra T Sears, Sharon M Tennant, Mardi K Reymann, Raphael Simon, Nicky Konstantopoulos, William C Blackwelder, Eileen M Barry, Marcela F Pasetti
Diarrhea is a common illness among travelers to resource-limited countries, the most prevalent attributable agent being enterotoxigenic Escherichia coli (ETEC). There are presently no vaccines licensed specifically for the prevention of ETEC-induced traveler's diarrhea (TD), and this has propelled investigation of alternative preventive methods. Colostrum, the first milk expressed after birthing, is rich in immunoglobulins and innate immune components for protection of newborns against infectious agents. Hyperimmune bovine colostrum (HBC) produced by immunization of cows during gestation (and containing high levels of specific antibodies) is a practical and effective prophylactic tool against gastrointestinal illnesses...
June 21, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28631934/breast-milk-from-smokers-contains-less-cholesterol-and-protein-and-smaller-size-of-apolipoprotein-a-i-resulting-in-lower-zebrafish-embryo-survivability
#9
Seong-Min Kim, Suk-Jeong Kim, Jae-Yong Kim, Jae-Ryong Kim, Kyung-Hyun Cho
BACKGROUND: To determine the quality of breast milk (BM), we compared the functions of BM from ex-smokers and nonsmokers. SUBJECTS AND METHODS: We analyzed the contents of lipids, glucose, and protein in BM from ex-smokers (10 cigarettes/day for 13 ± 3 years) as well as infant formula. RESULTS: Nonsmokers' BM showed 2.4- and 1.4-fold higher cholesterol and protein contents, respectively, than BM from smokers. Infant formula contained almost no cholesterol, but did show remarkably higher glucose and triglyceride levels than BM...
June 20, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28626840/role-of-lactoferrin-in-the-carcinogenesis-of-triple-negative-breast-cancer
#10
Srirupa Hari Gopal, Salil K Das
No abstract text is available yet for this article.
August 2016: Journal of Cancer Clinical Trials
https://www.readbyqxmd.com/read/28622061/formulation-and-in-vitro-evaluation-of-curcumin-lactoferrin-conjugated-nanostructures-for-cancerous-cells
#11
Farkhondeh Chaharband, Golnaz Kamalinia, Fatemeh Atyabi, S Alireza Mortazavi, Zahra H Mirzaie, Rassoul Dinarvand
Curcumin, a natural polyphenol, exhibits anti-oxidant, anti-inflammatory, anti-neoplastic and chemopreventive properties. In fact, targeting of this natural anticancer agent has received a great deal of attention during the recent years. In this study, we proposed that curcumin conjugation with lactoferrin molecules may lead to a potential drug delivery system targeted toward cancerous cells through both active and passive targeting. In this regard, curcumin conjugated lactoferrin was developed via a carbodiimide-based coupling reaction and the resulting conjugates were appraised for their molecular properties as a potential targeted drug delivery system...
June 16, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28617764/oropharyngeal-colostrum-administration-in-very-low-birth-weight-infants-a-randomized-controlled-trial
#12
Yuxia Zhang, Futing Ji, Xiaojing Hu, Yun Cao, Jos M Latour
OBJECTIVES: Studies have confirmed the safety of oropharyngeal administration of colostrum in very low birth weight infants. However, the effect of oropharyngeal administration of colostrum on immune system is inconclusive. This study aims to evaluate the effect of oropharyngeal administration of colostrum on secretory immunoglobulin A and lactoferrin in very low birth weight infants. DESIGN: Randomized controlled trial. SETTING: Forty-bedded neonatal ICU in a university children's hospital in the People's Republic of China...
June 14, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28614672/composition-and-variation-of-macronutrients-immune-proteins-and-human-milk-oligosaccharides-in-human-milk-from-nonprofit-and-commercial-milk-banks
#13
Laura Meredith-Dennis, Gege Xu, Elisha Goonatilleke, Carlito B Lebrilla, Mark A Underwood, Jennifer T Smilowitz
BACKGROUND: When human milk is unavailable, banked milk is recommended for feeding premature infants. Milk banks use processes to eliminate pathogens; however, variability among methods exists. Research aim: The aim of this study was to compare the macronutrient (protein, carbohydrate, fat, energy), immune-protective protein, and human milk oligosaccharide (HMO) content of human milk from three independent milk banks that use pasteurization (Holder vs. vat techniques) or retort sterilization...
June 1, 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28614589/lactoferrin-protects-against-intestinal-inflammation-and-bacteria-induced-barrier-dysfunction-in-vitro
#14
Nina A Hering, Julia Luettig, Susanne M Krug, Stephanie Wiegand, Gabriele Gross, Eric A van Tol, Jörg D Schulzke, Rita Rosenthal
The iron-binding glycoprotein lactoferrin (LF) is naturally present in human breast milk. Several studies suggest that LF contributes to infant health and development owing to a variety of protective effects, including antimicrobial and anti-inflammatory features. Therefore, we aimed to elucidate its protective properties on intestinal epithelial barrier dysfunction induced by infection or inflammation using the human epithelial cell culture models HT-29/B6 and T84. During barrier perturbation induced by the proinflammatory cytokine tumor necrosis factor α (TNF-α), bovine LF restored tight junction (TJ) morphometry and inhibited TNF-α-induced epithelial apoptosis...
June 14, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28605125/isoflavones-and-their-metabolites-influence-the-milk-component-synthesis-ability-of-mammary-epithelial-cells-through-prolactin-stat5-signaling
#15
Yusaku Tsugami, Kota Matsunaga, Takahiro Suzuki, Takanori Nishimura, Ken Kobayashi
SCOPE: Isoflavones are a class of polyphonic compounds present in legumes and are called phytoestrogens because of their estrogen-like activity. Estrogen influences the behavior of mammary epithelial cells (MECs) during pregnancy and lactation. In this study, we investigated the direct influences of isoflavones and their metabolites in milk production ability of MECs. METHODS AND RESULTS: Mouse MECs were cultured with prolactin and dexamethasone (glucocorticoid analog) to induce milk production ability...
June 12, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28602840/rational-selection-of-broadly-cross-reactive-family-2-pspa-molecules-for-inclusion-in-chimeric-pneumococcal-vaccines
#16
T R Converso, C Goulart, D Rodriguez, M Darrieux, L C C Leite
Pneumococcal surface protein A (PspA) is a widely studied pneumococcal protein, exposed at the surface of all strains. It is an important virulence factor, preventing complement deposition as well as inhibiting the lytic effects of lactoferrin over pneumococci. Several studies have investigated the use of PspA as a candidate in alternative pneumococcal vaccines, with great success. However, PspA presents sequence variability - there are six clades, grouped in three families - and PspAs within the same clade exhibit different levels of cross-reactivity...
June 7, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28594999/regenerating-bone-via-multifunctional-coatings-the-blending-of-cell-integration-and-bacterial-inhibition-properties-on-the-surface-of-biomaterials
#17
Mireia Hoyos-Nogués, Ferran Velasco, Maria-Pau Ginebra, José María Manero, F Javier Gil, Carlos Mas-Moruno
In dentistry and orthopedics, it is well accepted that implant fixation is a major goal. However, an emerging concern is bacterial infection. Infection of metallic implants can be catastrophic and significantly reduce patient quality of life. Accordingly, in this work, we focus on multifunctional coatings to simultaneously address and mitigate both these problems. We have developed a tailor-made peptide-based chemical platform that integrates the well-known RGD cell adhesive sequence and the lactoferrin-derived LF1-11 antimicrobial peptide...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28583810/antitumor-efficacy-of-lf-modified-daunorubicin-plus-honokiol-liposomes-in-treatment-of-brain-glioma
#18
Shuang Liu, Shi-Meng Zhang, Rui-Jun Ju, Yao Xiao, Xin Wang, Xiao-Li Song, Li-Yan Gu, Lan Cheng, Xue-Tao Li, Gui-Rong Chen
Malignant brain glioma is the most common and aggressive type of primary intracranial neoplasm. Regular chemotherapy cannot eradicate brain glioma cells and the residual glioma cells could form vasculogenic mimicry (VM) channels under hypoxic conditions to provide nutrients for tumor cell invasion. In addition, the existence of the blood-brain barrier (BBB) restricts most antitumor drugs into brain glioma. In this study, we developed a kind of lactoferrin (Lf) modified daunorubicin plus honokiol liposomes to transport antitumor drugs across BBB, eliminate the VM channels and block tumor cell invasion...
June 3, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28578067/in-vitro-uptake-and-immune-functionality-of-digested-rosemary-extract-delivered-through-food-grade-vehicles
#19
E Arranz, A Guri, T Fornari, J A Mendiola, G Reglero, M Corredig
The digestion, absorption, uptake and bioavailability of a rosemary supercritical fluid extract encapsulated in oil in water emulsion were studied. Two emulsions with opposite surface charge were prepared, containing 7% canola oil, and either 2% lactoferrin or whey protein isolate. When absorption and uptake of carnosic acid and carnosol were followed on Caco-2 cell monolayers, there were no differences with protein type. However, when co-cultures of HT-29 MTX were employed, the presence of mucus caused a higher retention of carnosic acid in the apical layer for lactoferrin emulsions...
July 2017: Food Research International
https://www.readbyqxmd.com/read/28577525/unstimulated-salivary-flow-ph-proteins-and-oral-health-in-patients-with-juvenile-idiopathic-arthritis
#20
Agnieszka Kobus, Anna Kierklo, Anna Zalewska, Anna Kuźmiuk, Sławomir Dariusz Szajda, Sławomir Ławicki, Joanna Bagińska
BACKGROUND: There have been inconsistent conclusions regarding salivary abnormalities and their effect on oral health of Juvenile Idiopathic Arthritis (JIA) patients. The purpose of the study was to evaluate the flow rate and selected biochemical parameters of unstimulated whole saliva in correlation to oral health in JIA children. METHODS: Thirty-four JIA patients and 34 age- and sex-matched controls not affected by JIA (C) were divided into two groups: with mixed and permanent dentition...
June 2, 2017: BMC Oral Health
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