title: Stem cell transplantation for treating Parkinson's disease: Literature analysis based on the Web of Science.
abstract: OBJECTIVE
  To identify global research trends of stem cell transplantation for treating Parkinson's disease using a bibliometric analysis of the Web of Science.
  
  
  METHODS
  We performed a bibliometric analysis of data retrievals for stem cell transplantation for treating Parkinson's disease from 2002 to 2011 using the Web of Science.
  
  
  METHODS
  
  
  
  METHODS
  (a) peer-reviewed articles on stem cell transplantation for treating Parkinson's disease which were published and indexed in the Web of Science; (b) type of articles: original research articles, reviews, meeting abstracts, proceedings papers, book chapters, editorial material and news items; (c) year of publication: 2002-2011.
  
  
  METHODS
  (a) articles that required manual searching or telephone access; (b) we excluded documents that were not published in the public domain; (c) we excluded a number of corrected papers from the total number of articles.
  
  
  METHODS
  (1) Type of literature; (2) annual publication output; (3) distribution according to journals; (4) distribution according to subject areas; (5) distribution according to country; (6) distribution according to institution; (7) comparison of countries that published the most papers on stem cell transplantation from different cell sources for treating Parkinson's disease; (8) comparison of institutions that published the most papers on stem cell transplantation from different cell sources for treating Parkinson's disease in the Web of Science from 2002 to 2011; (9) comparison of studies on stem cell transplantation from different cell sources for treating Parkinson's disease.
  
  
  RESULTS
  In total, 1 062 studies on stem cell transplantation for treating Parkinson's disease appeared in the Web of Science from 2002 to 2011, almost one third of which were from American authors and institutes. The number of studies on stem cell transplantation for treating Parkinson's disease had gradually increased over the past 10 years. Papers on stem cell transplantation for treating Parkinson's disease appeared in journals such as Stem Cells and Experimental Neurology. Although the United States published more articles addressing neural stem cell and embryonic stem cell transplantation for treating Parkinson's disease, China ranked first for articles published on bone marrow mesenchymal stem cell transplantation for treating Parkinson's disease.
  
  
  CONCLUSIONS
  From our analysis of the literature and research trends, we found that stem cell transplantation for treating Parkinson's disease may offer further benefits in regenerative medicine.
authors.affiliation: Department of Neurology, Fengtian Hospital of Shenyang Medical College, Shenyang 110024, Liaoning Province, China.
authors.forename: Runhui
authors.initials: R
authors.lastname: Li
keywords: Parkinson's disease; Web of Science; bibliometric analysis; bone marrow mesenchymal stem cells; cell transplantation; embryonic stem cells; neural regeneration; neural stem cells