دانلود مقالات ISI درباره ماتریکس خارج سلولی + ترجمه فارسی

Neuronal myosin-X is upregulated after peripheral nerve injury and mediates laminin-induced growth of neurites

Keywords: ماتریکس خارج سلولی; Extracellular matrix; axon regeneration; peripheral neuron; cell culture; lesion models;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Identification of Rorβ targets in cultured osteoblasts and in human bone

Keywords: ماتریکس خارج سلولی; Osteoblast; Rorβ; Extracellular matrix; Proliferation; Microarray; Pathway analysis;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Transglutaminase 2 as a novel activator of LRP6/β-catenin signaling

Keywords: ماتریکس خارج سلولی; Fzd; Frizzled; LRP5/6; LRP5 or LRP6; APC; Adenomatosis Polyposis Coli; GSK3; Glycogen Synthase Kinase 3; TG2; Tissue transglutaminase; VSMCs; Vascular smooth muscle cells; TGases; Transglutaminases; ECM; Extracellular matrix; MEFs; Mouse embryonic fibrobl

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Mesenchymal stem cells ability to generate traction stress in response to substrate stiffness is modulated by the changing extracellular matrix composition of the heart during development

Keywords: ماتریکس خارج سلولی; Extracellular matrix; Mesenchymal stem cells; Traction stress; Mechanotransduction;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Role of microRNAs in atrial fibrillation: New insights and perspectives

Keywords: ماتریکس خارج سلولی; ECMs; extracellular matrix; TGF-β1; transforming growth factor-β1; MiRNAs; microRNAs; AF; atrial fibrillation; HF; heart failure; RISC; RNA-induced silencing complex; AGO; Argonaute; Cx; connexin; Spry1; sprouty 1; CTGF; connective tissue growth factor;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Compound heterozygous mutations of the TNXB gene cause primary myopathy

Keywords: ماتریکس خارج سلولی; Myopathy; Extracellular matrix; Tenascin-X; Ehlers-Danlos syndrome; Connective tissue disorders;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Modulation of bone marrow mesenchymal stem cell secretome by ECM-like hydrogels

Keywords: ماتریکس خارج سلولی; Hydrogels; Mesenchymal stem cells; Extracellular matrix; Secretome; Neurons;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Migfilin's elimination from osteoarthritic chondrocytes further promotes the osteoarthritic phenotype via β-catenin upregulation

Keywords: ماتریکس خارج سلولی; Osteoarthritis; Migfilin; β-Catenin; Chondrocytes; Extracellular matrix;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

The extracellular domain of syndecan-2 regulates the interaction of HCT116 human colon carcinoma cells with fibronectin

Keywords: ماتریکس خارج سلولی; ECM; extracellular matrix; FGF2; fibroblast growth factor 2; FN; fibronectin; MMP; matrix metalloproteinase; mPADs; microfabricated post array detector system; MT1-MMP; membrane-type-1 matrix metalloprotease; PDMS; polydimethyl siloxane; Syndecan-2; Colon

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Bovine lactoferricin induces TIMP-3 via the ERK1/2-Sp1 axis in human articular chondrocytes

Keywords: ماتریکس خارج سلولی; OA; osteoarthritis; IL-1β; interleukin-1 β; FGF-2; fibroblast growth factor 2; ECM; extracellular matrix; TIMP; tissue inhibitor of metalloproteinase; ADAM; a disintegrin and metalloproteinase; MMP; matrix metalloproteinase; LfcinB; bovine lactoferricin

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Dynamic mechanical compression of devitalized articular cartilage does not activate latent TGF-β

Keywords: ماتریکس خارج سلولی; TGF-β activation; Articular cartilage; Dynamic loading; Growth factors; Extracellular matrix;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Genetic variation in tissue inhibitors of metalloproteinases as a risk factor for idiopathic recurrent spontaneous abortion

Keywords: ماتریکس خارج سلولی; Extracellular matrix; genetic association; miscarriage; pregnancy; single nucleotide polymorphisms;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Research ArticlemiR-133a mediates TGF-β-dependent derepression of collagen synthesis in hepatic stellate cells during liver fibrosis

Keywords: ماتریکس خارج سلولی; miRNA; microRNA; RNA; ribonucleic acid; FACS; fluorescence activated cell sorting; HSC; hepatic stellate cells; ECM; extracellular matrix; TGF; transforming growth factor; TNF; tumour necrosis factor; CD; cluster of differentiation; UV; ultraviolet; CCl4;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Research ArticleThe Enhanced Liver Fibrosis (ELF) score: Normal values, influence factors and proposed cut-off values

Keywords: ماتریکس خارج سلولی; ELF; enhanced liver fibrosis; ECM; extracellular matrix; TIMP-1; tissue inhibitor of metalloproteinases 1; PIIINP; amino-terminal propeptide of type III procollagen; HA; hyaluronic acid; HSC; hepatic stellate cells; CHC; chronic hepatitis C; HCV; hepatiti

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Myocardial and circulating levels of microRNA-21 reflect left ventricular fibrosis in aortic stenosis patients

Keywords: ماتریکس خارج سلولی; AS; aortic stenosis; Col; collagen; ECM; extracellular matrix; FN; fibronectin 1; LV; left ventricle; miRNA; microRNA; PDCD4; programmed cell death 4; PTEN; phosphatase and tensin homolog; RECK; reversion-inducing-cysteine-rich protein with kazal motifs;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Current evidence on the relationship between five polymorphisms in the matrix metalloproteinases (MMP) gene and lung cancer risk: A meta-analysis

Keywords: ماتریکس خارج سلولی; MMP; matrix metalloproteinase; miRNA; microRNA; SNP; single nucleotide polymorphism; OR; odds ratio; CI; confidence interval; ECM; extracellular matrix; PCR-RFLP; polymerase chain reaction-restriction fragment length polymorphism; NA; not available; PCC;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Selective JAK/STAT3 signalling regulates transcription of colony stimulating factor-2 and -3 in Concanavalin-A-activated mesenchymal stromal cells

Keywords: ماتریکس خارج سلولی; ConA; Concanavalin-A; CSF; colony stimulating factor; ECM; extracellular matrix; JAK; janus kinase; MSC; mesenchymal stromal cells; MT1-MMP; membrane type-1 matrix metalloproteinase; STAT; signal transducers and activators of transcription; TLRs; Toll-lik

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Selaginella tamariscina (Beauv.) possesses antimetastatic effects on human osteosarcoma cells by decreasing MMP-2 and MMP-9 secretions via p38 and Akt signaling pathways

Keywords: ماتریکس خارج سلولی; Metastasis; Selaginella tamariscina; Osteosarcoma; MMP-2; MMP-9; ECM; extracellular matrix; ERK; extracellular signal-regulated protein kinase; JNK; c-Jun N-terminal kinase; MAPK; mitogen-activated protein kinase; MMP; matrix metalloproteinase; PI3K; phos

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

MinireviewTumor angiogenesis and lymphangiogenesis: Tumor/endothelial crosstalk and cellular/microenvironmental signaling mechanisms

Keywords: ماتریکس خارج سلولی; Angiogenesis; Angiogenesis stimulators; Lymphangiogenesis; Lymphangiogenesis stimulators; Tumor microenvironment; Endothelial cells; Tumor cells; Extracellular matrix;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Fuzheng Huayu inhibits carbon tetrachloride-induced liver fibrosis in mice through activating hepatic NK cells

Keywords: ماتریکس خارج سلولی; FZHY; Fuzheng Huayu; CCl4; Carbon tetrachloride; NK; Natural killer; SMA; Smooth muscle actin; IFN; Interferon; ECM; Extracellular matrix; HSCs; Hepatic stellate cells; TGF-β; transforming growth factor-beta; PDGF; Platelet-derived growth factor; TCM; Tr

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Topical application of serine proteases from Wrightia tinctoria R. Br. (Apocyanaceae) latex augments healing of experimentally induced excision wound in mice

Keywords: ماتریکس خارج سلولی; BSA; Bovine serum albumin; ECM; Extracellular matrix; EDTA; Ethylene diamine tetra-acetic acid; IAA; Iodo acetic acid; MMPs; Matrix metalloproteinases; p-DMAB; Para dimethyl amino benzaldehyde; PMSF; Phenyl methyl sulphonyl fluoride; SDS-PAGE; Sodium dode

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Thymoquinone attenuates liver fibrosis via PI3K and TLR4 signaling pathways in activated hepatic stellate cells

Keywords: ماتریکس خارج سلولی; Akt; serine/threonine kinase-protein kinase B; ALT; alanine aminotransferase; AST; aspartate aminotransferase; α-SMA; α-smooth muscle actin; c-FLIP; cellular FLIP; d-GlaN; d-galactosamine; ECM; extracellular matrix; HSCs; hepatic stellate cells; LPS; li

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Activation of beta 1 but not beta 3 integrin increases cell traction forces

Keywords: ماتریکس خارج سلولی; β1KO; β1-integrin null mouse embryonic fibroblast; β3KO; β3-integrin null mouse embryonic fibroblast; BSA; bovine serum albumin; ECM; extracellular matrix; FA; focal adhesion; FN; fibronectin; LPA; lysophosphatidic acid; mPAD; micropost array detector

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Pentacyclic triterpenes from Manilkara bidentata resin. Isolation, identification and biological properties

Keywords: ماتریکس خارج سلولی; Manilkara bidentata; Sapotaceae; Pentacyclic triterpenes; Radical scavenging activity; Anti-inflammatory activity; Extracellular matrix;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

New advances of DNA methylation in liver fibrosis, with special emphasis on the crosstalk between microRNAs and DNA methylation machinery

Keywords: ماتریکس خارج سلولی; miRNAs; small non-coding RNAs; HSC; hepatic stellate cell; ECM; extracellular matrix; α-SMA; α-smooth muscle actin; TGF-β; transforming growth factor-β; PDGF; platelet-derived growth factor; FGF; fibroblast growth factor; ICAM-1; intercellular adhesio

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

A Mn(II)-Mn(II) center in human prolidase

Keywords: ماتریکس خارج سلولی; ECM; extracellular matrix; ICP-MS; inductively coupled plasma mass spectrometry; XANES; X-ray absorption near edge structure; DTT; dithiothreitol; GSH; reduced glutathione; Prolidase; Metallo-enzyme; Mn(II)-Mn(II) cluster; Apoenzyme;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Mechanical loading promotes mast cell degranulation via RGD-integrin dependent pathways

Keywords: ماتریکس خارج سلولی; Mast cells; Mechanical load; Extracellular matrix; Integrin; Fibrin; 3D culture;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Hyperelastic remodeling in the intrauterine growth restricted (IUGR) carotid artery in the near-term fetus

Keywords: ماتریکس خارج سلولی; Fetal programming; Extracellular matrix; Vascular remodeling; Collagen; Mechanics;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Modulation of turkey myogenic satellite cell differentiation through the shedding of glypican-1

Keywords: ماتریکس خارج سلولی; CON; control; DMEM; Dulbecco's Modified Eagle Medium; ECM; extracellular matrix; FGF2; fibroblast growth factor 2; GAPDH; glyceraldehyde-3-phosphate dehydrogenase; GAG; glycosaminoglycan; GPI; glycosylphosphatidylinositol; sol-GPC1; glypican-1 without GPI

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Pulmonary, gastrointestinal and urogenital pharmacologyCurcumin modulates cannabinoid receptors in liver fibrosis in vivo and inhibits extracellular matrix expression in hepatic stellate cells by suppressing cannabinoid receptor type-1 in vitro

Keywords: ماتریکس خارج سلولی; Liver fibrosis; Hepatic stellate cell; Curcumin; Cannabinoid receptor; Extracellular matrix;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Paeoniflorin, the main active constituent of Paeonia lactiflora roots, attenuates bleomycin-induced pulmonary fibrosis in mice by suppressing the synthesis of type I collagen

Keywords: ماتریکس خارج سلولی; Paeoniflorin; Pulmonary fibrosis; Extracellular matrix; Type I collagen; TGF-β/Smad pathway;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

An Infernal Trio: The chemokine CXCL12 and its receptors CXCR4 and CXCR7 in tumor biology

Keywords: ماتریکس خارج سلولی; AP-1; activator protein 1; cAMP; cyclic adenosine monophosphate; CNS; central nervous system; CREB; cAMP response element-binding; DPP; dipeptidyl peptidase; ECM; extracellular matrix; ELK-1; ETS-like transcription factor 1; ERK; extracellular-signal rela

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Substratum stiffness and latrunculin B modulate the gene expression of the mechanotransducers YAP and TAZ in human trabecular meshwork cells

Keywords: ماتریکس خارج سلولی; trabecular meshwork; glaucoma; biophysical cues; substratum compliance; extracellular matrix; mechanotransduction;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Production of Cyr61 protein is modulated by extracellular acidification and PI3K/Akt signaling in prostate carcinoma PC-3 cells

Keywords: ماتریکس خارج سلولی; NAC; N-acetylcysteine; ECM; extracellular matrix; PI3K; phosphoinositide 3-kinase; SDS; sodium dodecyl sulfate; HRP; horseradish peroxidase; ECL; enhanced chemiluminescence; siRNA; small interfering RNA; PBS; phosphate buffered saline; Akt; serine/threoni

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Evaluation of the effects of transient or continuous PTH administration to odontoblast-like cells

Keywords: ماتریکس خارج سلولی; Dentine; Extracellular matrix; PTH; Mmps; Alkaline phosphatase;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Tenascin-C deficiency in apo E−/− mouse increases eotaxin levels: Implications for atherosclerosis

Keywords: ماتریکس خارج سلولی; Tenascin-C; Eotaxin; Atherosclerosis; Mast cells; Chemokines; Matricellular protein; Extracellular matrix;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Effects of non-linearity on cell-ECM interactions

Keywords: ماتریکس خارج سلولی; non-linear elasticity; strain-stiffening; cell; extracellular matrix; cell-ECM interaction;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Specific VEGF sequestering to biomaterials: Influence of serum stability

Keywords: ماتریکس خارج سلولی; Angiogenesis; VEGF; Sequestration; Poly(ethylene glycol); Extracellular matrix;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Matrix metalloproteinase (MMP)-9: A proximal biomarker for cardiac remodeling and a distal biomarker for inflammation

Keywords: ماتریکس خارج سلولی; Biomarker; Cardiovascular; Congestive heart failure; Inflammation; MMP-9; Myocardial infarction; AAA; abdominal aortic aneurysms; ACS; acute coronary syndrome; BNP; brain natriuretic peptide; CRP; C-reactive protein; ECM; extracellular matrix; IL; interle

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Original Full Length ArticleOsmolarity determines the in vitro chondrogenic differentiation capacity of progenitor cells via nuclear factor of activated T-cells 5

Keywords: ماتریکس خارج سلولی; Acan/ACAN; aggrecan; Col1a1/COL1A1; collagen type I; Col2a1/COL2A1; collagen type II; Col10a1/COL10A1; collagen type X; ECM; extracellular matrix; GAGs; glycosaminoglycans; hBMSCs; human bone marrow stem cells; MAPK; mitogen-activated protein kinase; Nfat

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Chemokine receptor expression on integrin-mediated stellate projections of prostate cancer cells in 3D culture

Keywords: ماتریکس خارج سلولی; PCa; Prostate Cancer; CXCR7; CXC Chemokine Receptor 7; CXCR4; CXC Chemokine Receptor 4; SDF-1α; Stromal Derived Factor-1 alpha; 2D; 2-Dimensional; 3D; 3-Dimensional; ECM; Extracellular Matrix; MMP-11; Matrix Metalloproteinase 11; EMT; Epithelial-to-Mesen

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Regulation of ADAMTS-1, -4 and -5 expression in human macrophages: Differential regulation by key cytokines implicated in atherosclerosis and novel synergism between TL1A and IL-17

Keywords: ماتریکس خارج سلولی; ADAMTS; a disintegrin and metalloproteinase with thrombospondin motifs; ApoB; apolipoprotein B; ApoE; apolipoprotein E; DR3; death receptor 3; ECM; extracellular matrix; GAPDH; glyceraldehyde-3-phosphate dehydrogenase; HMDM; human monocyte-derived macroph

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Age‐related expression, enzymatic solubility and modification with advanced glycation end‐products of fibrillar collagens in mouse lung

Keywords: ماتریکس خارج سلولی; AGE; advanced glycation end-product; AGE-FL; AGE-related fluorescence; ArgPyr; argpyrimidine; ATPase; adenosine triphosphate synthase; ε-CML; N-ε-carboxymethyllysine; CS; calf serum; CTGF; connective tissue growth factor; DMEM; Dulbecco's modified Eagle

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Transcriptional profiling in rats and an ex vivo analysis implicate novel beneficial function of egg shell membrane in liver fibrosis

Keywords: ماتریکس خارج سلولی; α-Sma; smooth muscle-α-actin; BHLHB2; basic helix-loop-helix domain containing class B2; COL1A1; collagen, type I, alpha 1; COL1A2; collagen, type I, alpha 2; CYP7A1; cytochrome P450 Family 7 Subfamily A Polypeptide 1; DMEM; Dulbecco's modified eagleâ

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Research ArticleHCV core-mediated activation of latent TGF-β via thrombospondin drives the crosstalk between hepatocytes and stromal environment

Keywords: ماتریکس خارج سلولی; HCV core; Active TGF-beta; Stellate cell activation; Paracrine effect; HCV; hepatitis C virus; HCC; hepatocellular carcinoma; EMT; epithelial mesenchymal transition; TGF-β; transforming growth factor beta; ECM; extracellular matrix; TSP; trombospondin; c

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Direct measurement of matrix metalloproteinase activity in 3D cellular microenvironments using a fluorogenic peptide substrate

Keywords: ماتریکس خارج سلولی; Biosensor; Degradation; Hydrogel; Matrix metalloproteinases; Mechanical properties; Peptide; 2D; two-dimensional; 3D; three-dimensional; ECM; extracellular matrix; hMSC; human mesenchymal stem cells; LAP; lithium phenyl-2,4,6-trimethylbenzoylphosphinate;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Artificial extracellular matrices composed of collagen I and high-sulfated hyaluronan promote phenotypic and functional modulation of human pro-inflammatory M1 macrophages

Keywords: ماتریکس خارج سلولی; Extracellular matrix; Biomaterial coatings; Wound healing; Immunomodulation; Inflammatory M1 macrophages;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Hydrogels derived from demineralized and decellularized bone extracellular matrix

Keywords: ماتریکس خارج سلولی; Extracellular matrix; Demineralized bone matrix; Hydrogel; Bone graft; Decellularization;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Thymosin β4 and its degradation product, Ac-SDKP, are novel reparative factors in renal fibrosis

Keywords: ماتریکس خارج سلولی; extracellular matrix; obstructive nephropathy; renal fibrosis; TGF-β;

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2013 سفارش ترجمه

Dynamic expression of miR-126∗ and its effects on proliferation and contraction of hepatic stellate cells

Keywords: ماتریکس خارج سلولی; miRNA; microRNA; HSC; hepatic stellate cell; VEGF; vascular endothelial growth factor; GO; gene ontology; KEGG; kyoto encyclopedia of genes and genomes; VG; Van Gieson; ECM; extracellular matrix; 3′UTR; 3′untranslated region; HE; hematoxylin/eosin; PI

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2013 سفارش ترجمه