Stem cell mobilization and diabetic skin ulcers
干细胞动员和糖尿病皮肤溃疡
基本信息
- 批准号:8538377
- 负责人:
- 金额:$ 58.57万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-09-01 至 2017-08-31
- 项目状态:已结题
- 来源:
- 关键词:AcuteAddressAgreementAmputationAnimalsAreaBiochemicalBiopsyBlood specimenCaringCell CountCell physiologyCellsCellular biologyCharacteristicsClinicClinicalClinical ResearchClinical ServicesCohort StudiesCommunitiesDataDebridementDiabetes MellitusDiabetic Foot UlcerDiseaseDistalDocumentationEthicsEventFoot UlcerGoalsHealedHematopoietic Stem Cell MobilizationHomingHyperbaric OxygenHypoxia Inducible FactorImpairmentInstitutesInstitutional Review BoardsInterventionLimb structureLower ExtremityManualsMarylandMeasurementMetabolicMethodsNeuropathyNew YorkOhioPatientsPersonsPharmaceutical PreparationsPopulation StudyProceduresProcessProteinsPublicationsPublishingRecruitment ActivityRefractoryRemunerationsResearchRiskSecureSiteSkin UlcerStem cellsSterile coveringsTechniquesTissue SampleTissuesTreatment ProtocolsUlcerVariantWorkWound Healingbasecommunity based treatmentdiabeticdiabetic patientdiabetic wound healingeffective therapygenetic regulatory proteinhealingimprovedinsightneovascularizationpatient populationresponsestandard carestemsuccesstooltreatment planningwound
项目摘要
DESCRIPTION (provided by applicant): Management of lower extremity neuropathic ulcers in diabetic patients has changed little in the past decade. The healing rate is poor, risk of amputations relatively high, and there is a paucity of objective methods for choosing treatments. We will carry out a multi-center clinical cohort study of circulating and wound margin vasculogenic stem/progenitor cells (SPCs) in diabetic patients undergoing treatment for lower extremity neuropathic ulcers. The goal is to develop simple, quantitative methods that provide guidance on effective treatment choices. Our hypothesis is that an analysis of SPCs number and their biochemical characteristics can predict whether diabetic foot ulcers will heal. The experimental approach is built on the very productive framework used in our preliminary R21 project and recent publication. The four specific aims center on SPCs and their association with traditional methods for assessing diabetic control and wound characteristics. Aims are as follows: (1) Determine whether SPCs mobilization/wound recruitment and hypoxia inducible factor-related processes are associated with wound repair, (2) Assess if wound care practices are associated with SPCs mobilization and SPCs homing to wounds, (3) Determine if variations in SPCs are associated with healing, and (4) Assess whether SPCs differences observed between a healing acute biopsy wound versus the foot ulcer are related to clinical issues such as metabolic status. We will evaluate whether SPCs number and content of several intracellular proteins correlate with wound and disease-related factors and whether these measurements can be used to predict diabetic wound healing.
描述(由申请人提供):糖尿病患者下肢神经性溃疡的管理在过去十年中变化不大。治愈率很低,截肢的风险相对较高,并且缺乏选择治疗方法的客观方法。我们将在接受下肢神经性溃疡治疗的糖尿病患者中开展一项循环和伤口边缘血管生成干/祖细胞(SPC)的多中心临床队列研究。目标是开发简单的定量方法,为有效的治疗选择提供指导。 我们的假设是,SPC的数量和生化特征的分析可以预测糖尿病足溃疡是否会愈合。实验方法是建立在我们的初步R21项目和最近出版的非常富有成效的框架。这四个具体目标集中在SPC及其与评估糖尿病控制和伤口特征的传统方法的关联。目标如下:(1)确定SPC动员/伤口募集和缺氧诱导因子相关过程是否与伤口修复相关,(2)评估伤口护理实践是否与SPC动员和SPC归巢到伤口相关,(3)确定SPC的变化是否与愈合相关,和(4)评估愈合的急性活检伤口与足部溃疡之间观察到的SPC差异是否与临床问题如代谢状态有关。我们将评估SPC的数量和几种细胞内蛋白质的含量是否与伤口和疾病相关因素相关,以及这些测量是否可用于预测糖尿病伤口愈合。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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David Margolis其他文献
David Margolis的其他文献
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A randomized, double-blind, multi-center comparative effectiveness study of spironolactone versus doxycycline hyclate for the treatment of acne in women
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Comparative effectiveness of spironolactone versus oral tetracycline-class antibiotics for the treatment of moderate to severe acne in women
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NOS1AP and Capon Associated Impaired Healing in Those with Diabetic Foot Ulcers
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9925084 - 财政年份:2018
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African-Americans with Atopic Dermatitis: Skin Barrier and Immune
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9228322 - 财政年份:2016
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African-Americans with Atopic Dermatitis: Skin Barrier and Immune
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- 批准号:
9868281 - 财政年份:2016
- 资助金额:
$ 58.57万 - 项目类别:
Stem cell mobilization and diabetic skin ulcers
干细胞动员和糖尿病皮肤溃疡
- 批准号:
8370929 - 财政年份:2012
- 资助金额:
$ 58.57万 - 项目类别:
Stem cell mobilization and diabetic skin ulcers
干细胞动员和糖尿病皮肤溃疡
- 批准号:
8731122 - 财政年份:2012
- 资助金额:
$ 58.57万 - 项目类别:
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