BACKGROUND Intracranial and extracranial artery stenosis is associated with cerebral infarction.Vascular calcification and atherosclerosis are the main causes of stenosis and major risk factors for cardiovascular and ...BACKGROUND Intracranial and extracranial artery stenosis is associated with cerebral infarction.Vascular calcification and atherosclerosis are the main causes of stenosis and major risk factors for cardiovascular and cerebrovascular events in patients with type 2 diabetes mellitus(T2DM).Bone turnover biomarkers(BTMs)are associated with vascular calcification,atherosclerosis,glucose,and lipid metabolism.AIM To investigate the association of circulating BTM levels with severe intracranial and extracranial artery stenosis in patients with T2DM.METHODS For this cross-sectional study including 257 T2DM patients,levels of the BTMs serum osteocalcin(OC),C-terminal cross-linked telopeptide of type I collagen(CTX),and procollagen type I N-peptide were measured by electrical chemiluminescent immunoassay,and artery stenosis was assessed by color Doppler and transcranial Doppler.Patients were grouped according to the existence and location(intracranial vs.extracranial)of artery stenosis.Correlations between BTM levels,previous stroke,stenosis location,and glucose and lipid metabolism were analyzed.RESULTS T2DM patients with severe artery stenosis had a higher frequency of previous stroke and levels of all three tested BTMs(all P<0.05)than patients without.Some differences in OC and CTX levels were observed according to the location of artery stenosis.Significant associations were also observed between BTM levels and some glucose and lipid homeostasis parameters.On multivariate logistic regression analysis,all BTMs were significant predictors of artery stenosis in T2DM patients with and without adjustment for confounding factors(all P<0.001),and receiver operating characteristic curve analysis demonstrated the ability of BTM levels to predict artery stenosis in T2DM patients.CONCLUSION BTM levels were found to be independent risk factors for severe intracranial and extracranial artery stenosis and were differentially associated with glucose and lipid metabolism in patients with T2DM.Therefore,BTMs may be promising biomarkers and potential therapeutic targets for artery stenosis.展开更多
目的探讨骨形成指标I型胶原氨基端肽原(procollagen type I N-terminal propeptide,PINP)与骨吸收指标β-异构C-端肽(beta-isomerized C-telopeptide,β-CTX)的表达在2型糖尿病(type 2 diabetes,T2DM)合并骨质疏松(osteoprosis,OP)中的...目的探讨骨形成指标I型胶原氨基端肽原(procollagen type I N-terminal propeptide,PINP)与骨吸收指标β-异构C-端肽(beta-isomerized C-telopeptide,β-CTX)的表达在2型糖尿病(type 2 diabetes,T2DM)合并骨质疏松(osteoprosis,OP)中的意义。方法将118例研究对象按双能X线检测骨密度(bone mineral density,BMD)的检查结果分为3组,骨量正常组41例,骨量减少组42例,骨质疏松组35例。记录其性别、年龄、身高、体重、体质指数(body mass index,BMI)、糖尿病病程等一般基线资料。使用全自动生化分析仪测定空腹血糖(fasting blood glucose,FBG)、血钙(blood calcium,Ca)、血磷(phosphate,P)、血清胆固醇(total cholesterol,TC)、甘油三酯(triglyceride,TG)、碱性磷酸酶(alkaline phosphatase,ALP)、甲状旁腺素(parathyroid hormone,PTH)等生化指标,高压液相法测定糖化血红蛋白(Hb A1c),ELISA法检测血清骨形成指标PINP及血清骨吸收指标β-CTX并进行组间比较。结果与骨量正常组比较,骨量减少组与OP组中的PINP、β-CTX均高于正常组(P<0.05),与骨量减少组相比,OP组中PINP、β-CTX均高于减少组(P<0.05)。股骨颈BMD与年龄、病程、FPG、Hb A1c、β-CTX、PINP呈负相关(r=-0.559、-0.368、-0.255、-0.284、-0.613、-0.314,P<0.05),与BMI无明显相关性(P>0.05)。结论 T2DM合并OP患者中骨形成与骨吸收均增高,属于高转换性的骨代谢,监测骨代谢标志物PINP与β-CTX,有助于早期诊断及防治T2DM合并OP的发生与发展。展开更多
目的探讨2型糖尿病(T2DM)合并骨质疏松患者血清I型胶原氨基端肽原(procollagen type I N-terminal propeptide,PINP)和β-异构C-端肽(beta-isomerized C-telopeptide,β-CTx)的变化及意义。方法采用电化学发光法测定60例T2DM患者(其中...目的探讨2型糖尿病(T2DM)合并骨质疏松患者血清I型胶原氨基端肽原(procollagen type I N-terminal propeptide,PINP)和β-异构C-端肽(beta-isomerized C-telopeptide,β-CTx)的变化及意义。方法采用电化学发光法测定60例T2DM患者(其中合并及无合并骨质疏松者各30例)及30例健康对照者血清PINP和β-CTx,并对性别、年龄、骨密度(BMD)、体质指数(BMI)、空腹胰岛素(FIns)、血清雌二醇(E2)、钙(Ca)、碱性磷酸酶(ALP)等指标进行比较。结果 T2DM合并骨质疏松组PINP水平高于无骨质疏松及对照组(P均<0.05),而T2DM无骨质疏松组PINP与对照组比较无统计学意义(P>0.05)。合并骨质疏松组β-CTx高于无骨质疏松组(P<0.05)及对照组(P<0.01),且无骨质疏松组β-CTx也高于对照组(P<0.05)。合并骨质疏松患者血清PINP与BMD呈负相关(r=-0.402),与ALP呈正相关(r=0.270);β-CTx与BMD、E2呈负相关(r=-0.457,r=-0.385),与ALP呈正相关(r=0.362),P值均<0.05。结论 T2DM合并骨质疏松患者与PINP、β-CTx水平升高有一定关系,二者与其他指标联合检测可为T2DM患者发生骨质疏松的早期诊断和病情监测提供帮助。展开更多
目的:探讨骨代谢生化指标血清Ⅰ型胶原交联氨基末端肽(N-telopeptide of typeⅠcollagen,NTx)和骨涎酸蛋白(bone sialoprotein,BSP)的检测对肺癌和乳腺癌骨转移的临床意义。方法:选择2006年1月至2006年7月长海医院肿瘤科经病理确诊的肺...目的:探讨骨代谢生化指标血清Ⅰ型胶原交联氨基末端肽(N-telopeptide of typeⅠcollagen,NTx)和骨涎酸蛋白(bone sialoprotein,BSP)的检测对肺癌和乳腺癌骨转移的临床意义。方法:选择2006年1月至2006年7月长海医院肿瘤科经病理确诊的肺癌或乳腺癌患者105例,分为两组,其中骨转移组50例,无骨转移组55例。应用ELISA法检测患者血清NTx和BSP浓度。结果:骨转移组患者血清NTx和BSP水平均明显高于无骨转移组(P<0.01)。NTx诊断骨转移的灵敏度和特异度分别为90.0%和67.3%,BSP诊断骨转移的灵敏度和特异度分别为84.0%和70.9%。临床发生骨相关事件(skeletal related event,SRE)的骨转移患者,血清NTx水平明显高于未发生SRE的骨转移患者(P<0.05)。在6～13个月随访期内,21例患者确诊了新发骨转移;采用Cox比例风险回归模型分析,血清NTx浓度升高提示骨转移发生的相对危险度为1.127;乳腺癌患者血清BSP增高是唯一预测骨转移的危险因素(P<0.05),其相对危险度为1.058。随访期共有33例患者死亡;无论肺癌还是乳腺癌,血清BSP增高患者的累积生存率均明显低于血清BSP正常组(P<0.05)。结论:血清NTx和BSP是诊断肺癌和乳腺癌骨转移的重要参考指标,其水平的增高是预测骨转移发生的高危因素;BSP可能是肺癌和乳腺癌患者独立预后指标。展开更多
背景与目的肺癌易发生骨转移,I型胶原羧基端肽β特殊序列(β isomer of C-terminal telopeptide of type I collagen,β-CTX)和骨源性碱性磷酸酶(bone-specific alkaline phosphates,BAP)在骨质代谢中是重要的生化标记物,本研究旨在探...背景与目的肺癌易发生骨转移,I型胶原羧基端肽β特殊序列(β isomer of C-terminal telopeptide of type I collagen,β-CTX)和骨源性碱性磷酸酶(bone-specific alkaline phosphates,BAP)在骨质代谢中是重要的生化标记物,本研究旨在探讨骨代谢生化指标和肺癌骨转移进展程度的相关性,有助于早期判断是否有肺癌骨转移的发生。方法天津市人民医院2009年7月-2012年7月共收治92例肺癌并发生骨转移患者,全部病例其原发灶均经细胞学检查证实,骨转移灶的数目及类型经ECT结合X线片、CT证实,采用ELISA方法检测血β-CTX、BAP的浓度水平。结果收集的92例肺癌伴骨转移的患者中,转移灶<3处为58例,≥3处为34例;溶骨型68例,成骨型9例,混合型15例。血β-CTX、BAP水平在不同的骨转移数目组间差异有统计学意义(P<0.05),β-CTX在肺癌溶骨型骨转移患者中具有较高的敏感性。结论骨代谢生化指标β-CTX、BAP对肺癌骨转移具有辅助诊断意义,是判断转移进展程度的良好指标。展开更多
基金Supported by Beijing Municipal Hospital Management Center“Cultivation Plan”,No.PX2022032.
文摘BACKGROUND Intracranial and extracranial artery stenosis is associated with cerebral infarction.Vascular calcification and atherosclerosis are the main causes of stenosis and major risk factors for cardiovascular and cerebrovascular events in patients with type 2 diabetes mellitus(T2DM).Bone turnover biomarkers(BTMs)are associated with vascular calcification,atherosclerosis,glucose,and lipid metabolism.AIM To investigate the association of circulating BTM levels with severe intracranial and extracranial artery stenosis in patients with T2DM.METHODS For this cross-sectional study including 257 T2DM patients,levels of the BTMs serum osteocalcin(OC),C-terminal cross-linked telopeptide of type I collagen(CTX),and procollagen type I N-peptide were measured by electrical chemiluminescent immunoassay,and artery stenosis was assessed by color Doppler and transcranial Doppler.Patients were grouped according to the existence and location(intracranial vs.extracranial)of artery stenosis.Correlations between BTM levels,previous stroke,stenosis location,and glucose and lipid metabolism were analyzed.RESULTS T2DM patients with severe artery stenosis had a higher frequency of previous stroke and levels of all three tested BTMs(all P<0.05)than patients without.Some differences in OC and CTX levels were observed according to the location of artery stenosis.Significant associations were also observed between BTM levels and some glucose and lipid homeostasis parameters.On multivariate logistic regression analysis,all BTMs were significant predictors of artery stenosis in T2DM patients with and without adjustment for confounding factors(all P<0.001),and receiver operating characteristic curve analysis demonstrated the ability of BTM levels to predict artery stenosis in T2DM patients.CONCLUSION BTM levels were found to be independent risk factors for severe intracranial and extracranial artery stenosis and were differentially associated with glucose and lipid metabolism in patients with T2DM.Therefore,BTMs may be promising biomarkers and potential therapeutic targets for artery stenosis.
文摘目的探讨2型糖尿病(T2DM)合并骨质疏松患者血清I型胶原氨基端肽原(procollagen type I N-terminal propeptide,PINP)和β-异构C-端肽(beta-isomerized C-telopeptide,β-CTx)的变化及意义。方法采用电化学发光法测定60例T2DM患者(其中合并及无合并骨质疏松者各30例)及30例健康对照者血清PINP和β-CTx,并对性别、年龄、骨密度(BMD)、体质指数(BMI)、空腹胰岛素(FIns)、血清雌二醇(E2)、钙(Ca)、碱性磷酸酶(ALP)等指标进行比较。结果 T2DM合并骨质疏松组PINP水平高于无骨质疏松及对照组(P均<0.05),而T2DM无骨质疏松组PINP与对照组比较无统计学意义(P>0.05)。合并骨质疏松组β-CTx高于无骨质疏松组(P<0.05)及对照组(P<0.01),且无骨质疏松组β-CTx也高于对照组(P<0.05)。合并骨质疏松患者血清PINP与BMD呈负相关(r=-0.402),与ALP呈正相关(r=0.270);β-CTx与BMD、E2呈负相关(r=-0.457,r=-0.385),与ALP呈正相关(r=0.362),P值均<0.05。结论 T2DM合并骨质疏松患者与PINP、β-CTx水平升高有一定关系,二者与其他指标联合检测可为T2DM患者发生骨质疏松的早期诊断和病情监测提供帮助。
文摘目的:探讨骨代谢生化指标血清Ⅰ型胶原交联氨基末端肽(N-telopeptide of typeⅠcollagen,NTx)和骨涎酸蛋白(bone sialoprotein,BSP)的检测对肺癌和乳腺癌骨转移的临床意义。方法:选择2006年1月至2006年7月长海医院肿瘤科经病理确诊的肺癌或乳腺癌患者105例,分为两组,其中骨转移组50例,无骨转移组55例。应用ELISA法检测患者血清NTx和BSP浓度。结果:骨转移组患者血清NTx和BSP水平均明显高于无骨转移组(P<0.01)。NTx诊断骨转移的灵敏度和特异度分别为90.0%和67.3%,BSP诊断骨转移的灵敏度和特异度分别为84.0%和70.9%。临床发生骨相关事件(skeletal related event,SRE)的骨转移患者,血清NTx水平明显高于未发生SRE的骨转移患者(P<0.05)。在6～13个月随访期内,21例患者确诊了新发骨转移;采用Cox比例风险回归模型分析,血清NTx浓度升高提示骨转移发生的相对危险度为1.127;乳腺癌患者血清BSP增高是唯一预测骨转移的危险因素(P<0.05),其相对危险度为1.058。随访期共有33例患者死亡;无论肺癌还是乳腺癌,血清BSP增高患者的累积生存率均明显低于血清BSP正常组(P<0.05)。结论:血清NTx和BSP是诊断肺癌和乳腺癌骨转移的重要参考指标,其水平的增高是预测骨转移发生的高危因素;BSP可能是肺癌和乳腺癌患者独立预后指标。
文摘背景与目的肺癌易发生骨转移,I型胶原羧基端肽β特殊序列(β isomer of C-terminal telopeptide of type I collagen,β-CTX)和骨源性碱性磷酸酶(bone-specific alkaline phosphates,BAP)在骨质代谢中是重要的生化标记物,本研究旨在探讨骨代谢生化指标和肺癌骨转移进展程度的相关性,有助于早期判断是否有肺癌骨转移的发生。方法天津市人民医院2009年7月-2012年7月共收治92例肺癌并发生骨转移患者,全部病例其原发灶均经细胞学检查证实,骨转移灶的数目及类型经ECT结合X线片、CT证实,采用ELISA方法检测血β-CTX、BAP的浓度水平。结果收集的92例肺癌伴骨转移的患者中,转移灶<3处为58例,≥3处为34例;溶骨型68例,成骨型9例,混合型15例。血β-CTX、BAP水平在不同的骨转移数目组间差异有统计学意义(P<0.05),β-CTX在肺癌溶骨型骨转移患者中具有较高的敏感性。结论骨代谢生化指标β-CTX、BAP对肺癌骨转移具有辅助诊断意义,是判断转移进展程度的良好指标。
