cAMP-dependent protein kinase in chondrocyte cultures: holoenzyme activation, phosphorylation of cellular proteins, effects of NSAIDs and possible role in proteoglycan synthesis.

cAMP-dependent protein kinase in chondrocyte cultures: holoenzyme activation, phosphorylation of cellular proteins, effects of NSAIDs and possible role in proteoglycan synthesis.
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软骨细胞培养物中的 cAMP 依赖性蛋白激酶:全酶激活、细胞蛋白磷酸化、非甾体抗炎药的作用以及在蛋白聚糖合成中的可能作用。

DOI:
10.1016/0049-0172(90)90079-u
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发表时间:
1990
影响因子:
5
通讯作者:
Kammer,GM
Kammer,GM
中科院分区:
医学2区
文献类型:
--
作者:
Malemud,CJ;Papay,RS;Hasler,P;Kammer,GM

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最新证据表明,在用非甾体类抗炎药(NSAID)处理的培养物中,软骨细胞表现出减少的类二十烷酸产生,这与减少的环磷酸腺苷(cAMP)的细胞内积累相关联。通常,NSAID对软骨蛋白聚糖和胶原蛋白合成和软骨炎具有不同的影响。2* 3已知一些NSAID刺激蛋白聚糖合成。这些包括舒林酸硫化物4和苯恶洛芬5。然而,大多数药物,包括非诺洛芬4、布洛芬4、吲哚美辛、2 T6 * 7保泰松、8水杨酸盐、7~ 9 β ′ 0和托美丁,抑制蛋白聚糖的合成。吡罗昔康可能会增强蛋白多糖的合成I,也可能没有作用12,13,硫芬酸2以及在某些情况下吲哚美辛和舒林酸亚砜的作用也是如此。4这些结果中的许多来自对关节软骨外植体培养物或培养的软骨细胞“2 q”3进行的研究,其中可以容易地测试NSAID的浓度范围。最近对这一问题进行了审查。”通过从二乙氨基乙基纤维素(DEAE-纤维素)中的差示洗脱分离的两种类型的cAMP依赖性蛋白激酶(cAMPPk),1型和2型,已被证明是
R ECENT EVIDENCE showed that chondrocytes treated in culture with nonsteroidal antiinflammatory drugs (NSAIDs) exhibited reduced eicosanoid production, which was coupled to reduced intracellular accumulation of cyclic adenosine monophosphate(CAMP).’Typically, NSAIDs have variable effects on cartilage proteoglycan and collagen synthesis and catabolism. 2* 3 Some NSAIDs are known to stimulate proteoglycan synthesis. These include sulindac sulfide4 and benoxaprofen5 However, the majority, including fenoprofen4 ibuprofen4 indomethacin, 2T6* 7 phenylbutazone, 8 salicylates, 7~ 9~‘0 and tolmetin,” suppress proteoglycan synthesis. Piroxicam may enhance proteolycan synthesisI or be without effect 12, 13 the same can be said of the effect of tiaprdfenic acid2 and in some cases, indomethatin and sulindac sulfoxide. 4 Many of these results come from studies conducted on articular cartilage explant culturesI or on cultured chondrocytes’ 2q’3 where a concentration range of NSAIDs can be tested readily. A recent review has appeared on this subject.” Two types of CAMP-dependent protein kinase (cAMPPk), type 1 and type 2, resolved by differential elution from diethylaminoethylcellulose (DEAE-cellulose), have been shown to
水杨酸盐和其他非甾体抗炎药对关节软骨的影响。
DOI: 10.1016/s0002-9343(84)80021-2
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发表时间: 1982
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影响因子: --
作者:
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DOI: --
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影响因子: 5
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