نتایج جستجو برای: acc

تعداد نتایج: 8648  

Journal: :International journal of case reports in surgery 2023

Adrenocortical carcinoma (ACC) despite being a rare endocrine malignancy arising from adrenal cortex carries poor prognosis. It is also challenging to diagnose these tumours preoperatively especially if it non-functioning tumour. As the rarity of disease pose great challenge in taking up statistically significant studies that would be needed improve management strategies and outcomes ACC, all r...

2015
Young Kwang Chae Su Yun Chung Andrew A. Davis Benedito A. Carneiro Sunandana Chandra Jason Kaplan Aparna Kalyan Francis J. Giles

Adenoid cystic carcinoma (ACC) is a rare cancer with high potential for recurrence and metastasis. Efficacy of current treatment options, particularly for advanced disease, is very limited. Recent whole genome and exome sequencing has dramatically improved our understanding of ACC pathogenesis. A balanced translocation resulting in the MYB-NFIB fusion gene appears to be a fundamental signature ...

Journal: :Experimental and therapeutic medicine 2015
Xunhong Duan G E Yang Dongqi Yu Changlong Yu Biao Wang Yibin Guo

Aplasia cutis congenita (ACC) is a rare condition with an unclear pathogenic mechanism, although the condition has been suggested to occur as a result of the disrupted development or degeneration of skin in utero. ACC associated with fetus papyraceus has been described in numerous studies. Although there have been several reports of ACC, surgical treatment of ACC using the head as a site of don...

Journal: :Plant physiology 1982
N E Hoffman S F Yang

Although intact fruits of unripe cantaloupe (Cucumis melo L.) produce very little ethylene, a massive increase in ethylene production occurred in response to excision. The evidence indicates that this wound ethylene is produced from methionine via 1-aminocyclopropanecarboxylic acid (ACC) as in ripening fruits. Excision induced an increase in both ACC synthase and the enzyme converting ACC to et...

2010
Hwon Kyum Park Jae Hoon Lee Kyeong Geun Lee Seung Sam Paik Kwang Soo Lee

Acinar cell carcinoma (ACC) of the pancreas is a rare malignancy making up approximately 1% of pancreatic non-endocrine malignant tumors. The common finding on computed tomography is a solitary, well-defined, heterogenous hypodense mass with enhancing capsule. ACC is a highly cellular tumor with minimal stroma and a lack of stromal desmoplasia. The accurate diagnosis of ACC cannot typically be ...

2012
Kanji Yoshimoto Yoshihisa Watanabe Masaki Tanaka Minoru Kimura

Dopamine and serotonin (5-HT) in the nucleus accumbens (ACC) and ventral tegmental area of the mesoaccumbens reward pathways have been implicated in the mechanisms underlying development of alcohol dependence. We used a C57BL/6J mouse model with increased voluntary alcohol-drinking behavior by exposing the mice to alcohol vapor for 20 consecutive days. In the alcohol-exposed mice, the expressio...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2005
Natalia Sánchez-Soriano Andreas Prokop

The phenomenon of pioneer neurons has been known for almost a century, but so far we have little insights into mechanisms and molecules involved. Here, we study the formation of the Drosophila intersegmental motor nerve (ISN). We show that aCC/RP2 and U motor neurons grow together at the leading front of the ISN. Nevertheless, aCC/RP2 neurons are the pioneers, and U neurons are the followers, b...

Journal: :Plant physiology 1984
G Bufler

Apples (Malus sylvestris Mill, cv Golden Delicious) were treated before harvest with aminoethoxyvinylglycine (AVG). AVG is presumed to reversibly inhibit 1-aminocyclopropane-1-carboxylic acid (ACC) activity, but not the formation of ACC synthase. AVG treatment effectively blocked initiation of autocatalytic ethylene production and ripening of harvested apples. Exogenous ethylene induced extract...

Journal: :Plant physiology 1989
A A Khan J Prusinski

The thermoinhibition at 35 and 32 degrees C of pregermination ethylene production and germination in lettuce (Lactuca sativa L. cv Mesa 659) seeds was synergistically or additively alleviated by 0.05 millimolar kinetin (KIN) and 10 millimolar 1-aminocyclopropane-1-carboxylic acid (ACC). The synergistic effect of KIN + ACC on ethylene production and germination at 35 degrees C was inhibited by C...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2009
Nick Yeung Sander Nieuwenhuis

Neuroimaging studies consistently report activity in anterior cingulate cortex (ACC) in conditions of high cognitive demand, leading to the view that ACC plays a crucial role in the control of cognitive processes. According to one prominent theory, the sensitivity of ACC to task difficulty reflects its role in monitoring for the occurrence of competition, or "conflict," between responses to sig...

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