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https://www.readbyqxmd.com/read/28694783/mpa-modulates-tight-junctions-permeability-via-midkine-pi3k-pathway-in-caco-2-cells-a-possible-mechanism-of-leak-flux-diarrhea-in-organ-transplanted-patients
#1
Niamat Khan, Lutz Binder, D V Krishna Pantakani, Abdul R Asif
Mycophenolic acid (MPA) is prescribed to prevent allograft rejection in organ transplanted patients. However, its use is sporadically linked to leak flux diarrhea and other gastrointestinal (GI) disturbances in around 75% of patients through yet unknown mechanisms. Recently, we identified Midkine as a modulator of tight junctions (TJs) permeability in MPA treated Caco-2 monolayer. In the present study, we investigated the possible involvement of Midkine dependent PI3K pathway in alteration of TJs under MPA treatment...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28687568/a-lymphoreporter-mouse-model-identifies-midkine-as-a-metastasis-driver
#2
(no author information available yet)
Midkine systemically induces neo-lymphangiogenesis via mTOR signaling in patients with melanoma.
July 7, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28686647/diagnostic-accuracy-of-elisa-for-detecting-serum-midkine-in-cancer-patients
#3
Xuan Jing, Xiangrong Cui, Hongping Liang, Chonghua Hao, Chongyang Han
Midkine (MK) has been reported as the potential novel diagnostic biomarker for cancer in several studies, but their results were controversial. Therefore, we performed a diagnostic meta-analysis to assess the diagnostic value of serum MK in cancer patients. A systematic electronic and manual search was performed for relevant literatures through several databases up to June 1, 2017. The quality of the studies included in the meta-analysis was assessed using the Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2) tool...
2017: PloS One
https://www.readbyqxmd.com/read/28683813/the-inflammatory-phase-of-fracture-healing-is-influenced-by-oestrogen-status-in-mice
#4
Melanie Haffner-Luntzer, Verena Fischer, Katja Prystaz, Astrid Liedert, Anita Ignatius
BACKGROUND: Fracture healing is known to be delayed in postmenopausal, osteoporotic females under oestrogen-deficient conditions. Confirming this, experimental studies demonstrated impaired callus formation in ovariectomised animals. Oestrogen-deficiency is known to affect the immune system and the inflammatory response during wound healing. Because a balanced immune response is required for proper bone healing, we were interested to ascertain whether the early immune response after facture is affected by oestrogen depletion...
July 6, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28658220/whole-body-imaging-of-lymphovascular-niches-identifies-pre-metastatic-roles-of-midkine
#5
David Olmeda, Daniela Cerezo-Wallis, Erica Riveiro-Falkenbach, Paula C Pennacchi, Marta Contreras-Alcalde, Nuria Ibarz, Metehan Cifdaloz, Xavier Catena, Tonantzin G Calvo, Estela Cañón, Direna Alonso-Curbelo, Javier Suarez, Lisa Osterloh, Osvaldo Graña, Francisca Mulero, Diego Megías, Marta Cañamero, Jorge L Martínez-Torrecuadrada, Chandrani Mondal, Julie Di Martino, David Lora, Inés Martinez-Corral, J Javier Bravo-Cordero, Javier Muñoz, Susana Puig, Pablo Ortiz-Romero, José L Rodriguez-Peralto, Sagrario Ortega, María S Soengas
Cutaneous melanoma is a type of cancer with an inherent potential for lymph node colonization, which is generally preceded by neolymphangiogenesis. However, sentinel lymph node removal does not necessarily extend the overall survival of patients with melanoma. Moreover, lymphatic vessels collapse and become dysfunctional as melanomas progress. Therefore, it is unclear whether (and how) lymphangiogenesis contributes to visceral metastasis. Soluble and vesicle-associated proteins secreted by tumours and/or their stroma have been proposed to condition pre-metastatic sites in patients with melanoma...
June 28, 2017: Nature
https://www.readbyqxmd.com/read/28656262/suppression-of-midkine-gene-promotes-the-antitumoral-effect-of-cisplatin-on-human-gastric-cancer-cell-line-ags-in-vitro-and-in-vivo-via-the-modulation-of-notch-signaling-pathway
#6
Wenyan Tian, Jiaqing Shen, Weichang Chen
Midkine (MK) is reported to be associated with the clinical stages and distant metastases in gastric cancer, and to positively regulate the proliferation of human gastric cancer cells. However, the possible mechanisms of MK in the development of gastric cancer are still not fully clarified. In this study, the therapeutic effect of MK inhibition in gastric cancer in vivo and in vitro was investigated, by knock-down of MK expression with a small interfering RNA (siRNA). MK was expressed in gastric carcinoma tissues and cancer cells...
June 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28621483/glycodendrimers-as-chondroitin-sulfate-mimetics-synthesis-and-binding-to-growth-factor-midkine
#7
Pedro Domínguez-Rodríguez, José J Reina, Sergio Gil-Caballero, Pedro M Nieto, Jose L De Paz, Javier Rojo
Chondroitin sulfate (CS) is a member of the glycosaminoglycan (GAG) family, a class of polysaccharides implicated in relevant biological functions. The structural complexity of these carbohydrates demands the development of simple glycomimetics as useful tools to study the biological processes where GAGs are involved. In this work we described the synthesis of the disaccharide unit of the CS-E (GlcA-GalNAc(4,6-di-OSO3)), in a multivalent presentation. Using a fluorescence polarization competition assay we have demonstrated that a hexavalent dendrimer of this disaccharide interact with midkine, in the low micromolar range...
June 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28559305/biochemical-and-functional-characterization-of-the-human-tissue-kallikrein-9
#8
Panagiota S Filippou, Sofia Farkona, Davor Brinc, Yijing Yu, Ioannis Prassas, Eleftherios P Diamandis
Human tissue kallikrein 9 (KLK9) is a member of the kallikrein-related family of proteases. Despite its known expression profile, much less is known about the functional roles of this protease and its implications in normal physiology and disease. We present here the first data on the biochemical characterization of KLK9, investigate parameters that affect its enzymatic activity (such as inhibitors) and provide preliminary insights into its putative substrates. We show that mature KLK9 is a glycosylated chymotrypsin-like enzyme with strong preference for tyrosine over phenylalanine at the P1 cleavage position...
July 6, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28430645/midkine-promotes-hepatocellular-carcinoma-metastasis-by-elevating-anoikis-resistance-of-circulating-tumor-cells
#9
Bin Sun, Congli Hu, Zhibin Yang, Xiaofeng Zhang, Linlin Zhao, Junye Xiong, Junyong Ma, Lei Chen, Haihua Qian, Xiangji Luo, Lehua Shi, Jun Li, Xianshuo Cheng, Zhengfeng Yin
Midkine is overexpressed in hepatocellular carcinoma (HCC) and plays a role in tumor progression, but less is known about its role in resistance of circulating tumor cells (CTCs) to anoikis which leading to recurrence and metastasis. The aim of the present study was to analyze whether midkine was associated with HCC progression with anoikis resistance. We found that cultured HCC cells were more resistant to anoikis, which paralleled midkine expression, and midkine treatment significantly inhibited anoikis in a dose-dependent manner...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28398003/midkine-in-the-mouse-ventral-tegmental-area-limits-ethanol-intake-and-ccl2-gene-expression
#10
H Chen, D He, A W Lasek
Midkine (MDK) is a cytokine and neurotrophic factor that is more highly expressed in the brains of alcoholics and in mice predisposed to drink large amounts of ethanol, suggesting that MDK may regulate ethanol consumption. Here we measured ethanol consumption in male and female Mdk knockout (-/-) mice using the two-bottle choice and the drinking in the dark (DID) tests. We found that Mdk -/- mice consumed significantly more ethanol than wild-type controls in both tests. To determine if MDK acts in the ventral tegmental area (VTA) to regulate ethanol consumption, we delivered lentivirus expressing a Mdk shRNA into the VTA of male C57BL/6J mice to locally knockdown Mdk and performed the DID test...
April 11, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28392548/effect-of-retinoic-acid-on-midkine-gene-expression-in-rat-anterior-pituitary-cells
#11
Rita Maliza, Ken Fujiwara, Morio Azuma, Motoshi Kikuchi, Takashi Yashiro
Retinoic acid (RA) is converted from retinal by retinaldehyde dehydrogenases (RALDHs) and is an essential signaling molecule in embryonic and adult tissue. We previously reported that RALDH1 was produced in the rat anterior pituitary gland and hypothesized that RA was generated in the gland. Midkine (MK) is an RA-inducible growth factor, and MK production in the rat anterior pituitary gland was recently reported. However, the mechanism that regulates gene expression of MK in the pituitary gland has not been determined...
April 7, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28356350/from-top-to-bottom-midkine-and-pleiotrophin-as-emerging-players-in-immune-regulation
#12
REVIEW
Noah Sorrelle, Adrian T A Dominguez, Rolf A Brekken
Cytokines are pivotal in the generation and resolution of the inflammatory response. The midkine/pleiotrophin (MK/PTN) family of cytokines, composed of just two members, was discovered as heparin-binding neurite outgrowth-promoting factors. Since their discovery, expression of this cytokine family has been reported in a wide array of inflammatory diseases and cancer. In this minireview, we will discuss the emerging appreciation of the functions of the MK/PTN family in the immune system, which include promoting lymphocyte survival, sculpting myeloid cell phenotype, driving immune cell chemotaxis, and maintaining hematopoiesis...
March 29, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28335760/midkine-is-a-potential-novel-marker-for-malignant-mesothelioma-with-different-prognostic-and-diagnostic-values-from-mesothelin
#13
Guntulu Ak, Yuji Tada, Hideaki Shimada, Selma Metintas, Masaaki Ito, Kenzo Hiroshima, Masatoshi Tagawa, Muzaffer Metintas
BACKGROUND: We evaluated possible diagnostic and prognostic values of serum midkine in malignant pleural mesothelioma in comparison with those of serum mesothelin, a well-established diagnostic biomarker. METHODS: Serum mesothelin and midkine levels were determined with an enzyme-linked immunosorbent assay. We examined specimens from 95 Turkish cases with malignant pleural mesothelioma, 56 metastatic cancers to pleura, 27 other types of benign pleural diseases and 20 benign asbestos pleurisy...
March 23, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28254177/a-clinical-and-biomarker-scoring-system-to-predict-the-presence-of-obstructive-coronary-artery-disease
#14
Nasrien E Ibrahim, James L Januzzi, Craig A Magaret, Hanna K Gaggin, Rhonda F Rhyne, Parul U Gandhi, Noreen Kelly, Mandy L Simon, Shweta R Motiwala, Arianna M Belcher, Roland R J van Kimmenade
BACKGROUND: Noninvasive models to predict the presence of coronary artery disease (CAD) may help reduce the societal burden of CAD. OBJECTIVES: From a prospective registry of patients referred for coronary angiography, the goal of this study was to develop a clinical and biomarker score to predict the presence of significant CAD. METHODS: In a training cohort of 649 subjects, predictors of ≥70% stenosis in at least 1 major coronary vessel were identified from >200 candidate variables, including 109 biomarkers...
March 7, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28245398/-clinical-significance-of-serum-midkine-in-children-with-henoch-schonlein-purpura
#15
Mo-Min Li, Ni Liu, Miao Zhagn, Hai-Rong Xue
OBJECTIVE: To investigate the clinical significance of serum midkine (MK) in children with henoch-schnlein purpura(HSP). METHODS: One hundred and six children with HSP admitted in our hospital from March 2013 to March 2016 were enrolled in HSP group, but then 80 healthy volunteers were used as control. MK, interleukin-2 (IL-2), IL-4, IL-6, IL-10, tumor necrosis factor (TNF), interferon γ (IFN-γ) and IL-17 in peripheral blood were measured by ELISA, biochemical indicators including white blood cell count (WBC), platelet (Plt), C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), D-dimer, immunoglobulin A (IgA), IgE, IgG, IgM and other clinical data were recorded and analyzed...
February 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28243398/serum-midkine-and-osteopontin-levels-as-diagnostic-biomarkers-of-hepatocellular-carcinoma
#16
Hossam Hodeib, Ola ELshora, Amal Selim, Nesreen Mohammed Sabry, Heba Mohamed El-Ashry
INTRODUCTION: Hepatocellular Carcinoma (HCC) is a primary tumor of the liver; it is one of the most common cancers worldwide. Osteopontin (OPN) is a phosphorylated glycoprotein which is implicated in enhancing invasive and metastatic progression of many tumors. Midkine (MDK) is a 13-kDa small heparin-binding growth factor which plays a significant role in carcinogenesis related activities. The aim of this study was to assess the efficacy of serum Midkine and Osteopontin levels as diagnostic biomarkers of Hepatocellular Carcinoma...
January 2017: Electronic Physician
https://www.readbyqxmd.com/read/28240744/serum-midkine-as-a-surrogate-biomarker-for-metastatic-prediction-in-differentiated-thyroid-cancer-patients-with-positive-thyroglobulin-antibody
#17
Qiang Jia, Zhaowei Meng, Ke Xu, Xianghui He, Jian Tan, Guizhi Zhang, Xue Li, Na Liu, Tianpeng Hu, Pingping Zhou, Sen Wang, Arun Upadhyaya, Xiaoxia Liu, Huiying Wang, Chunmei Zhang
Serum thyroglobulin (Tg) is the main post-operative tumor biomarker for patients with differentiated thyroid cancer (DTC). However, the presence of thyroglobulin antibodies (TgAb) can interfere with Tg level and invalidate the test. In this study, we aimed to investigate the predicative value of midkine (MK) as a cancer biomarker for DTC patients with positive TgAb before the first (131)I therapy. MK levels were measured by enzyme-linked immunosorbent assay in 151 recruited DTC patients after exercising strict inclusion and exclusion criteria...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28183532/growth-factor-midkine-promotes-t-cell-activation-through-nuclear-factor-of-activated-t-cells-signaling-and-th1-cell-differentiation-in-lupus-nephritis
#18
Tomohiro Masuda, Kayaho Maeda, Waichi Sato, Tomoki Kosugi, Yuka Sato, Hiroshi Kojima, Noritoshi Kato, Takuji Ishimoto, Naotake Tsuboi, Kenji Uchimura, Yukio Yuzawa, Shoichi Maruyama, Kenji Kadomatsu
Activated T cells play crucial roles in the pathogenesis of autoimmune diseases, including lupus nephritis (LN). The activation of calcineurin/nuclear factor of activated T cells (NFAT) and STAT4 signaling is essential for T cells to perform various effector functions. Here, we identified the growth factor midkine (MK; gene name, Mdk) as a novel regulator in the pathogenesis of 2,6,10,14-tetramethylpentadecane-induced LN via activation of NFAT and IL-12/STAT4 signaling. Wild-type (Mdk(+/+)) mice showed more severe glomerular injury than MK-deficient (Mdk(-/-)) mice, as demonstrated by mesangial hypercellularity and matrix expansion, and glomerular capillary loops with immune-complex deposition...
April 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28177680/the-effect-of-midkine-on-growth-factors-and-oxidative-status-in-an-experimental-wound-model-in-diabetic-and-healthy-rats
#19
Burak Dik, Ahmet Levent Baş, Nuray Yazıhan
Wound healing is important for longevity. Midkine is a cytokine involved in controlling tissue repair and new tissue development, and in regulating inflammation. We investigated the effect of midkine on wound healing in rats. In total, 108 Wistar albino rats were used: 12 as healthy and diabetic controls; 96 were split into 4 groups: healthy, saline treated; healthy, midkine (10 ng/kg, 48 h intervals) treated; diabetic, saline treated; and diabetic, midkine treated. Following wound creation, 6 rats per group were euthanized on days 3, 7, 14, and 28; the wounded skin was removed...
May 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28011057/the-ischemic-nephrotoxic-acute-kidney-injury-and-the-use-of-renal-biomarkers-in-clinical-practice
#20
REVIEW
Michele Andreucci, Teresa Faga, Antonio Pisani, Maria Perticone, Ashour Michael
The term Acute Renal Failure (ARF) has been replaced by the term Acute Kidney Injury (AKI). AKI indicates an abrupt (within 24-48h) decrease in Glomerular Filtraton Rate, due to renal damage, that causes fluid and metabolic waste retention and alteration of electrolyte and acid-base balance. The renal biomarkers of AKI are substances or processes that are indicators of normal or impaired function of the kidney. The most used renal biomarker is still serum creatinine that is inadequate for several reasons, one of which is its inability to differentiate between hemodynamic changes of renal function ("prerenal azotemia") from intrinsic renal failure or obstructive nephropathy...
April 2017: European Journal of Internal Medicine
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