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milk fat globule epidermal growth factor Ⅷ

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https://www.readbyqxmd.com/read/30366501/efficient-method-for-isolation-of-exosomes-from-raw-bovine-milk
#1
Marika Yamauchi, Kaori Shimizu, Matiur Rahman, Hinata Ishikawa, Hiroshi Takase, Shinya Ugawa, Ayaka Okada, Yasuo Inoshima
OBJECTIVE: This study aimed to establish a rapid and simple method for isolating exosomes from raw bovine milk and to compare the quality of the isolated exosomes with those isolated by a standard method involving ultracentrifugation (UC). METHODS: To remove caseins, which are major milk proteins consisting more than 80% of milk protein (35% in human breast milk) and hamper isolation and purification of exosomes, hydrochloride (HCl) was added to milk for isoelectric precipitation (IP)...
October 26, 2018: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/30174295/autocrine-mfge8-signaling-prevents-developmental-exhaustion-of-the-adult-neural-stem-cell-pool
#2
Yi Zhou, Allison M Bond, Jamie E Shade, Yunhua Zhu, Chung-Ha O Davis, Xinyuan Wang, Yijing Su, Ki-Jun Yoon, Alexander T Phan, William J Chen, Justin H Oh, Nicholas Marsh-Armstrong, Kamran Atabai, Guo-Li Ming, Hongjun Song
Adult neurogenesis, arising from quiescent radial-glia-like neural stem cells (RGLs), occurs throughout life in the dentate gyrus. How neural stem cells are maintained throughout development to sustain adult mammalian neurogenesis is not well understood. Here, we show that milk fat globule-epidermal growth factor (EGF) 8 (Mfge8), a known phagocytosis factor, is highly enriched in quiescent RGLs in the dentate gyrus. Mfge8-null mice exhibit decreased adult dentate neurogenesis, and furthermore, adult RGL-specific deletion of Mfge8 leads to RGL overactivation and depletion...
September 6, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/30100715/identification-of-novel-target-genes-in-human-lung-tissue-involved-in-chronic-obstructive-pulmonary-disease
#3
Lena Heinbockel, Sebastian Marwitz, Andra B Schromm, Henrik Watz, Christian Kugler, Ole Ammerpohl, Karoline Schnepf, Klaus F Rabe, Daniel Droemann, Torsten Goldmann
Introduction: As part of a study aimed at illuminating at least some of the complex molecular events taking place in COPD, we screened tissues by means of transcriptome analyses. Materials and methods: Tissues were subjected to transcriptome analysis. Candidate genes were identified and validated by immunohistochemistry. Primary human lung cells were subjected to stimulation with cigarette smoke extract for further validation by real time PCR. Results: Six candidate genes were selected for further investigations: Aquaporin 3 ( AQP3 ), extracellular matrix protein 1 ( ECM1 ), four and a half LIM domain 1 ( FHL1 ), milk fat globule epidermal growth factor 8 ( MFGE8 , lactadherin), phosphodiesterase 4D-interacting protein ( PDE4DIP ), and creatine transporter SLC6A8 ...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/30076715/mfg-e8-reverses-microglial-induced-neurotoxic-astrocyte-a1-via-nf-%C3%AE%C2%BAb-and-pi3k-akt-pathways
#4
Xiaotian Xu, Aiwu Zhang, Yingting Zhu, Wen He, Wei Di, Yannan Fang, Xiaolei Shi
Recent evidence have suggested that neuroinflammation and ischemia induce the activation of two different types of reactive astrocytes, termed A1 and A2. Additionally, A1 astrocytes contribute to the death of neurons and oligodendrocytes in neurodegenerative diseases, such as Alzheimer's disease (AD). In the current study, we constructed an Aβ42-activated microglia-conditioned medium to induce A1 astrocytic activation via secretion of interleukin 1α, tumor necrosis factor, and complement component 1q in vitro, and indicated the regulatory role of milk fat globule epidermal growth factor 8 (MFG-E8) on A1/A2 astrocytic alteration through the downregulation of nuclear factor-κB and the upregulation of PI3K-Akt...
January 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30076648/mfg-e8-integrin-%C3%AE-3-signaling-contributes-to-airway-inflammation-response-and-airway-remodeling-in-an-ovalbumin-induced-murine-model-of-asthma
#5
Yueli Zhi, Han Huang, Lihong Liang
Asthma is the most common chronic childhood disease worldwide, characterized by airway remodeling and chronic inflammation, orchestrated primarily by Th2 cytokines. The aim of the current study was to explore the influences of milk fat globule epidermal growth factor 8 (MFG-E8)/integrin β3 signaling involved in airway inflammation and remodeling in asthma. BALB/c mice were sensitized by intraperitoneal injection of ovalbumin (OVA), followed by OVA nebulization. The levels of MFG-E8 expression were declined markedly in the OVA-induced allergy murine model...
November 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/30053459/mfge8-polymorphisms-are-significantly-associated-with-metabolism-related-indicators-rather-than-metabolic-syndrome-in-chinese-people-a-nested-case-control-study
#6
Leilei Liu, Cheng Cheng, Dongdong Zhang, Ruiyuan Zhang, Yu Liu, Xizhuo Sun, Zhaoxia Yin, Honghui Li, Yang Zhao, Bingyuan Wang, Yongcheng Ren, Xuejiao Liu, Dechen Liu, Feiyan Liu, Xu Chen, Qionggui Zhou, Yihan Xiong, Qihuan Xu, Jiali Liu, Shihao Hong, Ziyang You, Dongsheng Hu, Ming Zhang
BACKGROUND: The correlation between single nucleotide polymorphisms (SNPs) of milk fat globule-epidermal growth factor 8 (MFGE8) and metabolic syndrome (MetS) and metabolism-related indicators are limited. The present study explored the relation in Chinese adults. METHODS: We conducted a nested case-control study based on the Rural Chinese Cohort Study including 408 people with MetS and 408 controls matched by baseline sex, age (±2 years), marital status, and residence village...
November 30, 2018: Gene
https://www.readbyqxmd.com/read/29861070/mfg-e8-inhibits-a%C3%AE-induced-microglial-production-of-cathelicidin-related-antimicrobial-peptide-a-suitable-target-against-alzheimer-s-disease
#7
Xiaotian Xu, Xiaoying Cai, Yingting Zhu, Wen He, Qi Wu, Xiaolei Shi, Yannan Fang, Zhong Pei
Neuroinflammation plays a pivotal role in the incidence and progression of Alzheimer's disease (AD). Cathelicidin-related antimicrobial peptide (CRAMP) is critically involved in the innate neuronal responses of chronic neuroinflammation in AD and thus plays a key role in the disease. Here, we show that Aβ42 induced microglial production of CRAMP, which was effectively inhibited by milk-fat globule-epidermal growth factor 8 (MFG-E8). Production of CRAMP was associated with activation of ERK1/2, p38 and phospho-P65-NF-kB upregulation...
September 2018: Cellular Immunology
https://www.readbyqxmd.com/read/29763381/the-mfge8-%C3%AE-8%C3%AE-1-pten-pathway-regulates-airway-smooth-muscle-contraction-in-allergic-inflammation
#8
Amin Khalifeh-Soltani, Deepti Gupta, Arnold Ha, Michael J Podolsky, Ritwik Datta, Kamran Atabai
Asthma affects ∼300 million people worldwide. Despite multiple treatment options, asthma treatment remains unsatisfactory in a subset of patients. Airway obstruction is a hallmark of allergic asthma and is largely due to airway smooth muscle hypercontractility induced by airway inflammation. Identification of molecular pathways that regulate airway smooth muscle hypercontractility is of considerable therapeutic interest. We previously identified roles for milk fat globule epidermal growth factor-like 8 (Mfge8) in opposing the effects of allergic inflammation on increasing airway smooth muscle contractile force...
May 15, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29535679/milk-fat-globule-epidermal-growth-factor-8-pretreatment-attenuates-apoptosis-and-inflammation-via-the-integrin-%C3%AE-3-pathway-after-surgical-brain-injury-in-rats
#9
Yicai Xiao, Gaofeng Li, Yujie Chen, Yuchun Zuo, Kauthar Rashid, Tibiao He, Hua Feng, John H Zhang, Fei Liu
Iatrogenic brain injury inevitably occurs in neurosurgical operations, leading to brain edema, ischemia, intracranial hematoma, and other postoperative complications, eventually worsening neurological outcomes of patients. If apoptotic cells are not rapidly eliminated by phagocytic engulfment, they may communicate with surrounding cells to undergo secondary necrosis and releasing toxic signals. Recent studies have shown that milk fat globule-epidermal growth factor-8 (MFGE8), which promotes phagocytosis and inhibits inflammation, is an endogenous protective factor in response to brain infarction, Alzheimer's disease, subarachnoid hemorrhage, and prion disease...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29475373/inflammatory-bone-loss-associated-with-mfg-e8-deficiency-is-rescued-by-teriparatide
#10
Megan N Michalski, Anna L Seydel, Erica M Siismets, Laura E Zweifler, Amy J Koh, Benjamin P Sinder, J Ignacio Aguirre, Kamran Atabai, Hernan Roca, Laurie K McCauley
A prolonged increase in proinflammatory cytokines is associated with osteoporotic and autoimmune bone loss and, conversely, anti-inflammatory pathways are associated with protection against bone loss. Milk fat globule-epidermal growth factor (MFG-E)-8 is a glycoprotein that is proresolving, regulates apoptotic cell clearance, and has been linked to autoimmune disease and skeletal homeostasis. The role of MFG-E8 in the young vs. adult skeleton was determined in mice deficient in MFG-E8 (KO). In vivo, trabecular bone was similar in MFG-E8KO and wild-type (WT) mice at 6 and 16 wk, whereas 22 wk adult MFG-E8KO mice displayed significantly reduced trabecular BV/TV...
July 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29340071/hypoxia-inducible-factor-1%C3%AE-regulates-microglial-functions-affecting-neuronal-survival-in-the-acute-phase-of-ischemic-stroke-in-mice
#11
Seoyeon Bok, Young-Eun Kim, Youngsik Woo, Soeun Kim, Suk-Jo Kang, Yoontae Lee, Sang Ki Park, Irving L Weissman, G-One Ahn
Cells universally adapt to ischemic conditions by turning on a transcription factor hypoxia-inducible factor (HIF), in which its role is known to differ widely across many different types of cells. Given that microglia have been reported as an essential mediator of neuroinflammation in many brain diseases, we examined the role of HIF in microglia in the progression of an acute phase of ischemic stroke by challenging our novel strains of myeloid-specific Hif-1α or Hif-2α knockout (KO) mice created by Cre-loxP system via middle cerebral artery occlusion (MCAO)...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28923329/prognostic-correlation-between-mfg-e8-expression-level-and-colorectal-cancer
#12
Min Jia, Huaning Yao, Chao Chen, Yueqin Wang, Han Wang, Tianpen Cui, Jianhua Zhu
BACKGROUND AND AIMS: Colorectal cancer (CRC) is one of the leading causes of cancer-related death all over the world. Milk fat globule-epidermal growth factor (EGF)-factor VIII (MFG-E8) was found to be highly expressed in a variety of cancers. However its role in CRC is unclear. This study investigates the expression of MFG-E8 in CRC tissues and the correlation with clinicopathological features and prognosis in CRC patients. METHODS: The expression of MFG-E8 proteins was detected by immunohistochemical staining in 90 samples of CRC...
April 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28850807/milk-fat-globule-epidermal-growth-factor-8-mfge8-is-expressed-at-the-embryo-and-fetal-maternal-interface-in-equine-pregnancy
#13
S Barua, A Macedo, D S Kolb, K E Wynne-Edwards, C Klein
Milk-fat globule epidermal growth factor (EGF) 8 protein (MFGE8), also known as lactadherin, promotes cell adhesion in an Arg-Gly-Asp (RGD)-dependent modus via integrins. In the present study, the expression of MFGE8 was examined in equine endometrium during oestrus and at Days 12 and 16 after ovulation in pregnant and non-pregnant mares and in mares during the 5th month of gestation. Results demonstrated that MFGE8 is expressed at the embryo- and fetal-maternal interface in equine pregnancy. In non-pregnant endometrium its expression was upregulated by oestrogen, a finding that was confirmed using endometrial explant culture...
August 30, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28653875/mfg-e8-overexpression-promotes-colorectal-cancer-progression-via-akt-mmps-signalling
#14
Qiujie Zhao, Lin Xu, Xiaoyan Sun, Kai Zhang, Huimin Shen, Yanan Tian, Fengkai Sun, Yanqing Li
Several studies have revealed that MFG-E8 (milk fat globule-epidermal growth factor 8) is related to tumour development and progression. However, the relationship between MFG-E8 expression and metastasis in colorectal cancer patients and the role of MFG-E8 in colorectal cancer invasion and progression remain unknown. In this study, we performed immunohistochemistry and quantitative real-time polymerase chain reaction to assess MFG-E8 expression in colorectal cancer and adjacent non-cancerous tissues. Colorectal cancer RNAseq data from The Cancer Genome Atlas project were downloaded and MFG-E8 expression was analysed...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28601327/milk-fat-globule-epidermal-growth-factor-factor-viii-attenuates-sepsis-induced-acute-kidney-injury
#15
Cindy Cen, Monowar Aziz, Weng-Lang Yang, Mian Zhou, Jeffrey M Nicastro, Gene F Coppa, Ping Wang
BACKGROUND: Acute kidney injury (AKI) is most commonly caused by sepsis in critically ill patients, and it is associated with high morbidity and mortality. The pathophysiology of sepsis-induced AKI is generally accepted to include direct inflammatory injury, endothelial cell dysfunction, and apoptosis. Milk fat globule-epidermal growth factor-factor VIII (MFG-E8) is a secretory glycoprotein with a known role in the enhancement of apoptotic cell clearance and regulation of inflammation...
June 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28343695/treatment-with-milk-fat-globule-epidermal-growth-factor-factor-8-mfg-e8-reduces-inflammation-and-lung-injury-in-neonatal-sepsis
#16
Laura W Hansen, Weng Lang Yang, Alexandra C Bolognese, Asha Jacob, Tracy Chen, Jose M Prince, Jeffrey M Nicastro, Gene F Coppa, Ping Wang
BACKGROUND: Sepsis remains one of the leading causes of infant death worldwide. It is characterized by uncontrolled inflammatory responses due to proven bacterial infection. Despite improvement in supportive care and the availability of effective antibiotics, no specific therapy targeting the dysregulated inflammatory response is available for neonatal sepsis. Milk fat globule epidermal growth factor-factor 8 (MFG-E8) is a secretory glycoprotein abundantly present in human milk. MFG-E8 suppresses the systemic inflammatory responses in adult murine injury models by improving the clearance of dying cells...
August 2017: Surgery
https://www.readbyqxmd.com/read/28316187/-milk-fat-globule-epidermal-growth-factor-%C3%A2-signaling-in-arterial-remodeling-with-advancing-age-and-arterial-diseases
#17
L Zhang, Y Liu, Y Huang
No abstract text is available yet for this article.
March 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28207941/milk-fat-globule-epidermal-growth-factor-8-inhibits-periodontitis-in-non-human-primates-and-its-gingival-crevicular-fluid-levels-can-differentiate-periodontal-health-from-disease-in-humans
#18
Tetsuhiro Kajikawa, Fatimah Meshikhes, Tomoki Maekawa, Evlambia Hajishengallis, Kavita B Hosur, Toshiharu Abe, Kevin Moss, Triantafyllos Chavakis, George Hajishengallis
AIM: We have previously shown that the secreted glycoprotein milk fat globule epidermal growth factor 8 (MFG-E8) has anti-inflammatory and anti-osteoclastogenic properties. Our objective was to investigate the potential of MFG-E8 as a diagnostic or therapeutic agent in periodontitis. MATERIALS AND METHODS: Periodontitis was induced in non-human primates (NHPs) by placing ligatures around posterior teeth on both halves of the mandible for a split-mouth design: one side was treated with MFG-E8-Fc and the other with Fc control...
May 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28096298/mfg-e8-derived-peptide-attenuates-adhesion-and-migration-of-immune-cells-to-endothelial-cells
#19
Yohei Hirano, Weng-Lang Yang, Monowar Aziz, Fangming Zhang, Barbara Sherry, Ping Wang
Milk fat globule-epidermal growth factor-factor 8 (MFG-E8) plays an immunomodulatory role in inflammatory diseases. MFG-E8-derived short peptide (MSP68) greatly reduces neutrophil infiltration and injury in the lung during sepsis. In this study, we examined the effect of MSP68 on chemotaxis of various immune cells and its regulatory mechanism. Bone marrow-derived neutrophils (BMDNs) from C57BL/6 mice, human monocyte THP-1 cell line, and human T lymphocyte Jurkat cell line were used for adhesion and migration assays using a Transwell method in the presence of MSP68...
May 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28089751/reduced-serum-milk-fat-globule-epidermal-growth-factor-8-mfg-e8-concentrations-are-associated-with-an-increased-risk-of-microvascular-complications-in-patients-with-type-2-diabetes
#20
Guohua Sun, Juxiang Liu, Guanghao Xia, Lijuan Zhang, Yonghong Li, Zubang Zhou, Yaya Lv, Suhong Wei, Jing Liu, Jinxing Quan
BACKGROUND: The association between serum milk fat globule-epidermal growth factor 8 (MFG-E8) concentrations and vascular complications in T2DM remains unclear. METHODS: A total of 149 patients with T2DM were included. The serum concentrations of MFG-E8, glycosylated hemoglobin (HbA1c), and high-sensitivity C-reactive protein (hs-CRP) were measured. RESULTS: There was no significant difference in serum MFG-E8 concentrations between the T2DM group and the T2DM with subclinical atherosclerosis (AS) group (615...
March 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
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