Gonadotropin stimulation of pregnenolone metabolism in Chinese hamster ovary cells in culture.

abstract：:Cultures of HeLa cells, strains S3G (HeLa65) and S3K (HeLa71) were grown in plastic dishes until firmly attached and were then treated with sonic dispersions of Rosenthal's phospholipase inhibitor. A rapid increase in alkaline phosphatase activity occurred following this treatment in the S3G strain (low inducible alka...

journal_title：Journal of cellular physiology

authors： Melnykovych G,Lopez IC

更新日期：1977-07-01 00:00:00

abstract：:Exosomes extracted from mesenchymal stem cells (MSCs) was reported to reduce myocardial ischemia/reperfusion damage. Besides, stromal-derived factor 1 (SDF1a) functions as cardiac repair after myocardial infarction (MI). Therefore, the present study aims to identify whether exosomes (Exo) released from SDF1-overexpres...

journal_title：Journal of cellular physiology

authors： Gong XH,Liu H,Wang SJ,Liang SW,Wang GG

更新日期：2019-08-01 00:00:00

abstract：:Recent findings point to low oxygen tension (hypoxia) as an important mechanism for the expression of several eukaryotic genes. We have previously shown that hypoxia (2% O2), when compared to standard oxygen tension (20% O2), upregulates the mRNA levels of the human alpha1(I) (COL1A1) procollagen gene and transforming...

journal_title：Journal of cellular physiology

authors： Falanga V,Zhou L,Yufit T

更新日期：2002-04-01 00:00:00

abstract：:Kinetic studies of binding and internalization of 125I-platelet-derived growth factor (PDGF) demonstrate that up to 15% of membrane-associated radioactivity is internalized within 2 minutes after warming to 37 degrees C in a variety of cell types. The T 1/2 for internalization is approximately 20 minutes. The T 1/2 fo...

journal_title：Journal of cellular physiology

authors： Rosenfeld ME,Bowen-Pope DF,Ross R

更新日期：1984-11-01 00:00:00

abstract：:We have previously demonstrated that insulin-like growth factor binding protein-5 (IGFBP-5) is upregulated following treatment of the mouse mammary epithelial cell line HC11 with lactogenic hormones (dexamethasone, insulin, and prolactin-DIP). In addition, we have also shown that IGFBP-5 is upregulated in mammary epit...

journal_title：Journal of cellular physiology

authors： Lochrie JD,Phillips K,Tonner E,Flint DJ,Allan GJ,Price NC,Beattie J

更新日期：2006-05-01 00:00:00

abstract：:The snRNAs are abundant and stable components of the interphase nucleus. Aqueous and non-aqueous cell fractionation demonstrate that the snRNAs appear transiently in the cytoplasm shortly after transcription, before returning permanently to the interphase nucleus. In pulse label and chase experiments, the newly synthe...

journal_title：Journal of cellular physiology

authors： Zieve GW

更新日期：1987-05-01 00:00:00

abstract：:Obesity is a risk factor for endometrial cancer in pre- and post-menopausal women. Leptin, an adipocyte-derived hormone, in addition to the control weight homeostasis, is implicated in multiple biological actions. A recent study demonstrated that leptin promotes endometrial cancer growth and invasiveness through STAT/...

journal_title：Journal of cellular physiology

authors： Catalano S,Giordano C,Rizza P,Gu G,Barone I,Bonofiglio D,Giordano F,Malivindi R,Gaccione D,Lanzino M,De Amicis F,Andò S

更新日期：2009-03-01 00:00:00

abstract：:Matrix metalloproteinase-9 (MMP-9) is implicated in the invasion and metastasis of breast cancer cells. We investigated the modulatory effects of nitric oxide (NO) on the 12-O-tetradecanoylphorbol 13-acetate (TPA)-induced MMP-9 expression in MCF-7 cells. Different chemical NO donors inhibited the extracellular content...

journal_title：Journal of cellular physiology

authors： Jespersen C,Doller A,Akool el-S,Bachmann M,Müller R,Gutwein P,Mühl H,Pfeilschifter J,Eberhardt W

更新日期：2009-05-01 00:00:00

abstract：:Growing evidence has shown that pulsed electromagnetic fields (PEMF) can modulate bone metabolism in vivo and regulate the activities of osteoblasts and osteoclasts in vitro. Osteocytes, accounting for 95% of bone cells, act as the major mechanosensors in bone for transducing external mechanical signals and producing ...

journal_title：Journal of cellular physiology

authors： Wang P,Tang C,Wu J,Yang Y,Yan Z,Liu X,Shao X,Zhai M,Gao J,Liang S,Luo E,Jing D

更新日期：2019-07-01 00:00:00

abstract：:Cells from kidney proximal tubules have been successfully isolated, characterized, and cultured from male Fischer 344 rats between 150-400 g using a two-step collagenase perfusion. The cells undergo high levels of DNA synthesis and mitosis in both serum free media (with an without hormone supplementation) and media co...

journal_title：Journal of cellular physiology

authors： Rosenberg MR,Michalopoulos G

更新日期：1987-04-01 00:00:00

abstract：:Human skin fibroblasts contracted fibrin gels in a time- and cell-dependent manner. Under optimal conditions, gel contraction amounted to more than 50% in 2 hr. Fibronectin did not promote contraction, and fibrinolysis was not required for contraction, although gels contracted without serum or aprotinin were lysed. Be...

journal_title：Journal of cellular physiology

authors： Tuan TL,Grinnell F

更新日期：1989-09-01 00:00:00

abstract：:We examined the expression of the estrogen and epidermal growth factor (EGF) receptors in a drug-resistant subline of MCF-7 cells in order to study potential alterations in hormone dependence or in the growth factor pathway that could be related to the development of drug resistance in human breast cancer. The drug-re...

journal_title：Journal of cellular physiology

authors： Dickstein B,Valverius EM,Wosikowski K,Saceda M,Pearson JW,Martin MB,Bates SE

更新日期：1993-10-01 00:00:00

abstract：:Nerve growth factor (NGF) is required for the growth and development of sensory and sympathetic neurons. Incubation of chick dorsal root ganglionic cells without NGF resulted in a decrease of active (Na+,K+-pump-mediated) K+ influx over a period of several hours. Addition of NGF to NGF-deprived cells caused 1) a retur...

journal_title：Journal of cellular physiology

authors： Boonstra J,Skaper SD,Varon S

更新日期：1982-10-01 00:00:00

abstract：:The protease nexins (PN-I, Mr approximately 38,000; PN-II, Mr approximately 95,000; and PN-III, Mr approximately 31,000) are recently described cell-secreted proteins that selectively link to regulatory serine proteases in the extracellular environment and mediate their cellular binding, internalization, and degradati...

journal_title：Journal of cellular physiology

authors： Knauer DJ,Thompson JA,Cunningham DD

更新日期：1983-12-01 00:00:00

abstract：:Cultured hepatic stellate cells (HSCs), the cell type primarily involved in the progression of liver fibrosis, secrete insulin-like growth factor-I (IGF-I) and IGF binding protein (IGFBP) activity. IGF-I exerts a mitogenic effect on HSCs, thus potentially contributing to the fibrogenic process in an autocrine fashion....

journal_title：Journal of cellular physiology

authors： Gentilini A,Feliers D,Pinzani M,Woodruff K,Abboud S

更新日期：1998-02-01 00:00:00

abstract：:Transformation of Sprague-Dawley rat embryo (RE) cells and a cloned Fischer rat embryo cell line (CREF) with wild-type (Ad5) or a temperature-sensitive DNA-minus mutant (H5ts125) of type 5 adenovirus results in a reduction in binding of epidermal growth factor (EGF) to cell surface receptors. A reduction in EGF bindin...

journal_title：Journal of cellular physiology

authors： Fisher PB,Boersig MR,Graham GM,Weinstein IB

更新日期：1983-03-01 00:00:00

abstract：:Differentiation of myofibroblast, as evidenced by alpha-smooth muscle actin (alpha-SMA) expression, is largely mediated by transforming growth factor-beta1 (TGF-beta1). This mechanism often follows inflammatory events such as endothelial damage due to oxidative stress, which can further leads to vascular thickening, s...

journal_title：Journal of cellular physiology

authors： Sen U,Moshal KS,Tyagi N,Kartha GK,Tyagi SC

更新日期：2006-12-01 00:00:00

abstract：:Incubation of cultured bovine pulmonary artery endothelial cells with 200 microM of 3-isobutyl-1-methylxanthine (IBMX) for 24 hr produced a five- to tenfold increase in cellular angiotensin converting enzyme activity (ACE) above that of untreated control cells. A lesser increase was observed in medium ACE. Other methy...

journal_title：Journal of cellular physiology

authors： Dasarathy Y,Fanburg BL

更新日期：1988-10-01 00:00:00

abstract：:Nitric oxide (NO) has been shown to be both an intercellular and intracellular messenger. We propose here that exogenous NO induces chemotactic locomotion of human neutrophils. Indeed, when human neutrophils were placed in a gradient of a nitric oxide donor (S-nitroso-N-acetylpenicillamine; SNAP), a directed locomotio...

journal_title：Journal of cellular physiology

authors： Beauvais F,Michel L,Dubertret L

更新日期：1995-12-01 00:00:00

abstract：:Neuropathic pain (NP) may cause serious brain diseases, but the genes associated with the metabolic pathway and transcript factors of NP remain unclear. This study is aimed to identify the therapy target genes for NP and to investigate the metabolic pathways and transcript factors associated with NP. The differentiall...

journal_title：Journal of cellular physiology

authors： Yan XT,Xu Y,Cheng XL,He XH,Wang Y,Zheng WZ,Zhao Y,Chen H,Wang YL

更新日期：2019-05-01 00:00:00

abstract：:Activation of hepatic progenitor cells (HPCs) is commonly observed in chronic liver disease and Wnt/β-catenin signaling plays a crucial role in the expansion of HPCs. However, the molecular mechanisms that regulate the activation of Wnt/β-catenin signaling in the liver, especially in HPCs, remain largely elusive. Here...

journal_title：Journal of cellular physiology

authors： Ding ZY,Liang HF,Jin GN,Chen WX,Wang W,Datta PK,Zhang MZ,Zhang B,Chen XP

更新日期：2014-05-01 00:00:00

abstract：:Proteolytic cleavage of extracellular matrix (ECM) is a critical feature of tumor cell invasion, and affects cancer cell growth, differentiation, apoptosis, and migration. Malignant cells secrete most proteases as inactive proenzymes that undergo proteolytic cleavage for activation, and proteolytic activity is elevate...

journal_title：Journal of cellular physiology

authors： Kusick S,Bertram H,Oberleithner H,Ludwig T

更新日期：2005-09-01 00:00:00

abstract：:Mammalian sperm require to spend a limited period of time in the female reproductive tract to become competent to fertilize in a process called capacitation. It is well established that HCO3- is essential for capacitation because it activates the atypical soluble adenylate cyclase ADCY10 leading to cAMP production, an...

journal_title：Journal of cellular physiology

authors： Puga Molina LC,Pinto NA,Torres Rodríguez P,Romarowski A,Vicens Sanchez A,Visconti PE,Darszon A,Treviño CL,Buffone MG

更新日期：2017-06-01 00:00:00

abstract：:The endocannabinoid system (ECS) is activated at the onset of obesity and diverse metabolic diseases. Endocannabinoids mediate their physiological and behavioral effects by activating specific cannabinoid receptors, mainly cannabinoid receptor 1 (CB(1)R). Diabetic nephropathy (DN) is induced by hyperlipidemia, and ren...

journal_title：Journal of cellular physiology

authors： Lim JC,Lim SK,Han HJ,Park SH

更新日期：2010-11-01 00:00:00

abstract：:Regulation of lipid synthesis from acetate in human diploid fibroblast cultures has been studied at various passage levels and at different stages of cell growth. When cultures were transferred to lipid free medium, a stimulation of [14C]acetate incorporation into lipid occurred within three to six hours after removal...

journal_title：Journal of cellular physiology

authors： Howard BV,Howard WJ,Kefalides NA

更新日期：1976-10-01 00:00:00

abstract：:Long suspected, recently recognized, and increasingly studied, non protein-coding RNAs (ncRNAs) are emerging as key drivers of biological control and pathology. Since their discovery in 1993, microRNAs (miRNAs) have been the subject of intense research focus and investigations have revealed striking findings, establis...

journal_title：Journal of cellular physiology

authors： Tye CE,Gordon JA,Martin-Buley LA,Stein JL,Lian JB,Stein GS

更新日期：2015-03-01 00:00:00

abstract：:The epithelium-specific ETS (ESE)-1 transcription factor is induced in chondrocytes by interleukin-1beta (IL-1beta). We reported previously that early activation of EGR-1 by IL-1beta results in suppression of the proximal COL2A1 promoter activity by displacement of Sp1 from GC boxes. Here we report that ESE-1 is a pot...

journal_title：Journal of cellular physiology

authors： Peng H,Tan L,Osaki M,Zhan Y,Ijiri K,Tsuchimochi K,Otero M,Wang H,Choy BK,Grall FT,Gu X,Libermann TA,Oettgen P,Goldring MB

更新日期：2008-05-01 00:00:00

abstract：:Photoperiod regulates the seasonal reproductive rhythms of mammals by influencing the development and function of sexual organs; however, the underlying mechanism remains unclear. We examined the morphology and functioning of the main sex organs of striped dwarf hamsters (Cricetulus barabensis) under different photope...

journal_title：Journal of cellular physiology

authors： Mou J,Xu J,Wang Z,Wang C,Yang X,Wang X,Xue H,Wu M,Xu L

更新日期：2021-03-01 00:00:00

abstract：:The nuclear lamina is a fibrous structure at the nucleoplasmic surface of the inner nuclear membrane. Its assembly state is regulated by phosphorylation of its protein components, the lamins A, B, and C. The isoprenylation of the lamins is essential for their proper membrane anchoring and functionality. The content an...

journal_title：Journal of cellular physiology

authors： Bruscalupi G,Di Croce L,Lamartina S,Zaccaria ML,Luzzatto AC,Trentalance A

更新日期：1997-05-01 00:00:00

abstract：:We have previously identified two stimulatory activities affecting blood cell maturation in PHA-stimulated human lymphocytes conditioned medium (PHA-LyCM). One was granulocyte-macrophage colony stimulatory activity (GM-CSA), and the other was T lymphocyte growth stimulatory activity (TL-GSA) in suspension culture. In ...

journal_title：Journal of cellular physiology

authors： Wu AM

更新日期：1979-11-01 00:00:00