目的 通過(guò)觀察鹽酸氨溴索對(duì)吸煙大鼠氣道上皮細(xì)胞核因子κB(NF-κB)和細(xì)胞間黏附分子1(ICAM-1)表達(dá)的影響,探討氨溴索在慢性阻塞性肺疾病(COPD)治療中的抗炎作用。方法 30只Wistar大鼠隨機(jī)分為三組:①對(duì)照組:不加任何干預(yù);②吸煙組:吸煙15支/次×2次/d×6d/周×12周;③氨溴索組:吸煙情況同吸煙組,于吸煙4周后開(kāi)始每日吸煙前給予鹽酸氨溴索(40 mg/kg)灌胃治療至第12周末。12周后測(cè)定氣道阻力和肺順應(yīng)性,采用免疫組織化學(xué)方法測(cè)定各組大鼠氣道上皮細(xì)胞NF-κB和ICAM-1的表達(dá)。結(jié)果 ①吸煙組和氨溴索組較對(duì)照組氣道阻力升高,肺順應(yīng)性均降低(P均 lt;0.01);其中氨溴索組較吸煙組氣道阻力降低(P lt;0.01),肺順應(yīng)性升高(P lt;0.05)。②吸煙組和氨溴索組氣道上皮細(xì)胞NF-κB和ICAM-1的表達(dá)均較對(duì)照組增高(P均 lt;0.05),其中氨溴索組較吸煙組表達(dá)降低(P均 lt;0.05)。③氣道上皮細(xì)胞NF-κB與ICAM-1的表達(dá)呈明顯正相關(guān)(r=0.924,P lt;0.01)。結(jié)論 吸煙可以使大鼠氣道阻力增高,肺順應(yīng)性降低,引起氣道上皮細(xì)胞NF-κB和ICAM-1表達(dá)升高,鹽酸氨溴索可以改善吸煙引起的肺功能減退,并可能通過(guò)影響氣道上皮細(xì)胞NF-κB和ICAM-1的表達(dá)而在COPD治療中發(fā)揮一定的抗炎作用。
引用本文: 劉小敏,許建英. 鹽酸氨溴索對(duì)吸煙大鼠氣道上皮細(xì)胞核因子κB和細(xì)胞間黏附分子1表達(dá)的影響. 中國(guó)呼吸與危重監(jiān)護(hù)雜志, 2008, 08(4): 271-273. doi: 復(fù)制
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- 1. Yamamoto Y,Gaynor RB.Therapeutic potential of inhabition of the NF-kappaB pathway in the treatment of inflammation and cancer.J Clin Invest,2001,107:135-142.
- 2. Noguera A,Sala E,Pons AR,et al.Expression of adhesion molecules during apoptosis of circulating neutrophils in COPD.Chest,2004,125:1837-1842.
- 3. Rogers DF.Mucus hyper secretion in chronic obstructive pulmonary disease.Novartis Found Symp,2001,234:65-77.
- 4. 許三林,吳人亮,陳春蓮,等.上皮鈣粘素在吸煙小鼠呼吸道上皮損傷修復(fù)表達(dá)的研究.中華結(jié)核和呼吸雜志,1999,22:417-419.
- 5. 關(guān)鍵,鄭碧霞,程德云.核因子-κB在慢性阻塞性肺疾病大鼠肺內(nèi)的表達(dá)及潑尼松對(duì)其的影響.中國(guó)呼吸與危重監(jiān)護(hù)雜志,2008,7:52-56.
- 6. Di Stefano A,Caramori G,Oates T,et al.Increased expression of nuclear factor-kappaB in bronchial biopsies from smokers and patients with COPD.Eur Respir J,2002,20:556-563.
- 7. 許建英,杜永成,李冬艷,等.核因子κB、細(xì)胞間粘附分子1在吸煙大鼠氣道上皮細(xì)胞中的表達(dá).中華結(jié)核和呼吸雜志,2002,8:493-496.
- 8. Barnes PJ,Shapiro SD,Pauwels RA.Chronic obstructive pulmonary disease:molecular and cellular mechanisms.Eur Respir J,2003,22:672-688.
- 9. Malerba M,Ponticiello A,Radaeli A,et al.Effect of twelve-month therapy with oral ambroxol in prevention exacerbations in patients with COPD.Pulm Pharmacol Ther,2004,17:27-34.