نتایج جستجو برای: 122

تعداد نتایج: 15685  

2016
ARUN DEBRAY

1. Modules: 4/2/13 1 2. Quotient Modules: 4/4/13 3 3. The Isomorphism Theorems: 4/9/13 5 4. Universal Properties: 4/11/13 7 5. The Tensor Product: 4/16/13 10 6. More Tensor Products: 4/18/13 12 7. Exact Sequences: 4/23/13 14 8. Projective and Injective Modules: 4/25/13 17 9. Finitely Generated Modules Over a Euclidean Domain: 4/30/13 19 10. Finitely Generated Modules Over a PID: 5/2/13 21 11. T...

2015
Yoon Mee Yang Chan Gyu Lee Ja Hyun Koo Tae Hyun Kim Jung Min Lee Jihyun An Kang Mo Kim Sang Geon Kim

MicroRNA-122 (miR-122) is implicated as a regulator of physiological and pathophysiological processes in the liver. Overexpression of Gα12 is associated with overall survival in patients with hepatocellular carcinoma (HCC). Array-based miRNA profiling was performed on Huh7 stably transfected with activated Gα12 to find miRNAs regulated by the Gα12 pathway; among them, miR-122 was most greatly r...

2013
Katarzyna Michalska-Małecka Mariusz Nowak Piotr Gościniewicz Jacek Karpe Ludmiła Słowińska-Łożyńska Agnieszka Łypaczewska Dorota Romaniuk

AIM The aim of our study was to retrospectively evaluate the effectiveness and safety of cataract surgery and intraocular lens implantation (IOL) for patients aged 90 years or older, whom we define as "very elderly." METHODS The study involved a total number of 122 patients (122 eyes) with senile cataracts. The mean age of patients was 91.2 ± 2.3 years (range 90-100 years old). Phacoemulsific...

2008
Joacim Elmén Morten Lindow Asli Silahtaroglu Mads Bak Mette Christensen Allan Lind-Thomsen Maj Hedtjärn Jens Bo Hansen Henrik Frydenlund Hansen Ellen Marie Straarup Keith McCullagh Phil Kearney Sakari Kauppinen

MicroRNA-122 (miR-122) is an abundant liver-specific miRNA, implicated in fatty acid and cholesterol metabolism as well as hepatitis C viral replication. Here, we report that a systemically administered 16-nt, unconjugated LNA (locked nucleic acid)-antimiR oligonucleotide complementary to the 5' end of miR-122 leads to specific, dose-dependent silencing of miR-122 and shows no hepatotoxicity in...

Journal: :Biochemical and biophysical research communications 2010
Lipeng Qiu Hongxia Fan Wensong Jin Bao Zhao Yanzhong Wang Ying Ju Lizhao Chen Yu Chen Zhongping Duan Songdong Meng

As the most abundant liver-specific microRNA (miRNA), miR-122 has been extensively studied for its role in the regulation of lipid metabolism, hepatocarcinogenesis and hepatitis C virus (HCV) replication, but little is known regarding its role in the replication of Hepatitis B virus (HBV), a highly prevalent hepatotropic virus that can cause life-threatening complications. In this study we exam...

2017
Yingpu Yu Troels K H Scheel Joseph M Luna Hachung Chung Eiko Nishiuchi Margaret A Scull Natalia Echeverría Inna Ricardo-Lax Amit Kapoor Ian W Lipkin Thomas J Divers Douglas F Antczak Bud C Tennant Charles M Rice

Hepatitis C virus (HCV) requires the liver specific micro-RNA (miRNA), miR-122, to replicate. This was considered unique among RNA viruses until recent discoveries of HCV-related hepaciviruses prompting the question of a more general miR-122 dependence. Among hepaciviruses, the closest known HCV relative is the equine non-primate hepacivirus (NPHV). Here, we used Argonaute cross-linking immunop...

2015
Masato Nakamura Tatsuo Kanda Reina Sasaki Yuki Haga Xia Jiang Shuang Wu Shingo Nakamoto Osamu Yokosuka Ranjit Ray

MicroRNA-122 (miR-122) is one of the most abundant miRs in the liver. Previous studies have demonstrated that miR-122 plays a role in inflammation in the liver and functions in hepatic stellate cells (HSCs), which reside in the space of Disse. Here, we showed that the transient inhibition of PKR-activating protein (PACT) expression, by miR-122 or siRNA targeting of PACT, suppressed the producti...

2013
Youkyung Choi Hans-Peter Dienes Kris Krawczynski

The relationships among micro RNA-122 (miR-122) expression in the liver, hepatitis C virus (HCV) replication and hepatic damage were analyzed in three chimpanzees observed for 180 days after inoculation with HCV genotype 1a. Levels of miR-122 in the liver and serum were measured by real-time RT PCR in serial liver biopsies and serum samples. Hepatic miR-122 levels were normalized separately for...

2013
Carolyn Spaniel Masao Honda Sara R. Selitsky Daisuke Yamane Tetsuro Shimakami Shuichi Kaneko Robert E. Lanford Stanley M. Lemon

Mechanisms of hepatic carcinogenesis in chronic hepatitis B and hepatitis C are incompletely defined but often assumed to be similar and related to immune-mediated inflammation. Despite this, several studies hint at differences in expression of miR-122, a liver-specific microRNA with tumor suppressor properties, in hepatocellular carcinoma (HCC) associated with hepatitis B virus (HBV) versus he...

Journal: :Gastroenterology 2007
Ying Shan Jianyu Zheng Richard W Lambrecht Herbert L Bonkovsky

BACKGROUND & AIMS Heme oxygenase-1 (HO-1) is an antioxidant defense and key cytoprotective enzyme, which is repressed by Bach1. Micro-RNA-122 (miR-122) is specifically expressed and highly abundant in human liver and required for replication of hepatitis C virus (HCV) RNA. This study was to assess whether a specific miR-122 antagomir down-regulates HCV protein replication and up-regulates HO-1....

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