Jin-Hua Leng

BACKGROUND: Endometriosis is a controversial and enigmatic disease. Deep infiltrating endometriosis (DIE) is responsible for painful symptoms and is the least understood type of endometriosis. Little work has been devoted to define the loca…

OBJECTIVE: To investigate the expression of transient receptor potential vanilloid subtype 1 (TRPV1) in uterosacral ligament and its correlation with pain in endometriosis. METHODS: Total of 54 patients undergoing endometriotic lesions exc…

Endometriosis has critical implications for women's quality of life. However, an overview of the current knowledge of this issue is limited. The objective of this systematic review was to determine the extent of endometriosis and its treatm…

OBJECTIVE: To investigate the influence of gonadotropin releasing hormone agonist (GnRH-a) on the expression mRNA of nerve growth factor (NGF) and its receptors (TrkA and P75NTR) in normal and eutopic endometrial stromal cells (ESC). METHO…

STUDY QUESTION: What are the psychometric properties in mainland China of the 30-item Endometriosis Health Profile (EHP-30) translated into simplified Chinese? SUMMARY ANSWER: The simplified Chinese version of the EHP-30 is a valid, reliab…

OBJECTIVE: To investigate clinicopathological characteristics of recurrent endometriosis and outcomes of secondary surgery. METHODS: From Jan. 2003 to Dec. 2008, 69 cases with recurrent endometriosis operated by the same senior gynecologis…

OBJECTIVE: To investigate strategies of diagnosis and treatment of ureter endometriosis. METHODS: From 1983 to 2010, the cases registered in Peking Union Medical College Hospital and confirmed as ureter endometriosis by surgery were enroll…

OBJECTIVE: To explore the hospital expenses and hospital stay of surgical management for endometriosis and adenomyosis. METHODS: The average hospital expenses and average hospital stay were compared for a total of 12003 patients of endomet…

OBJECTIVE: To investigate the expression of transforming growth factor (TGF)-β and Smad pathway expressed in adhesion peritoneums in patients with endometriosis (EM). METHODS: From Dec. 2009 to Mar. 2010, 11 patients with EM [including 3 p…

BACKGROUND: Endometriosis (EM) is a benign gynecologic disease predominantly found in women of reproductive age. However, its pathogenesis is still poorly understood. Our experiment was designed to establish a stable and reliable cultural e…

OBJECTIVE: To investigate the characteristics and trends of surgical management on endometriosis in Peking Union Medical College Hospital From 1983 to 2009. METHODS: The medical documents of patients with endometriosis diagnosed by surgica…

OBJECTIVE: To investigate the characteristics of the anatomical distribution of posterior deeply infiltrating endometriosis (PDIE) lesions, pain symptoms and effects of laparoscopic surgery. METHODS: Clinical data of 176 PDIE patients with…

OBJECTIVE: To investigate the relationship between the distribution of nerve fibers in multiple endometriosis lesions and pelvic pain. METHODS: From Sept. 2007 to Sept. 2008, 120 endometriosis patients treated in Peking Union Hospital were…

OBJECTIVE: To establish the diagnostic model for endometriosis by screening the plasma biomarkers of endometriosis using surface enhanced laser desorption/ionization time of flight mass spectrometry (SELDI-TOF-MS)coupled with bioinformatics…

OBJECTIVE: To explore the magnetic resonance (MR) characteristics of endometriosis. METHODS: The clinical and MR data of 33 patients with endometriosis were retrospectively analyzed. RESULTS: MR manifestations of endometriosis included en…

Thrombospondin-1 messenger RNA and protein levels in cultured human endometrial stromal cells (ESCs) treated with 17-beta estradiol (10 nM) were reduced by 47.6% (+/-6.5% SD; P < 0.05) and 49.0% (+/-8.6%; P < 0.05) compared with untreated c…

OBJECTIVE: To investigate the relationship between degree of endometrioma adhesions and clinical feature, surgical treatment and postoperative recurrence. METHODS: From Jan 2003 to Mar 2008, 662 patients with endometrioma undergoing laparo…

OBJECTIVE: To set up the proteomic protein profiling of adenomyotic tissue and normal uterine muscle and identify the abnormally expressed proteins in adenomyotic tissue. METHODS: Samples of adenomyotic tissue (adenomyosis group) and age-m…

OBJECTIVE: To investigate the diagnosis and treatment of perineal endometriosis. METHODS: The clinical date of 30 patients with perineal endometriosis, aged 32.3 (23 approximately 44), who were admitted 1983 - 2006, operated on, and follow…

OBJECTIVE: To compare the clinical characteristics of three subcategories of laparoscopic hysterectomy: total laparoscopic hysterectomy (TLH) and two subcategories of laparoscopic-assisted vaginal hysterectomy (LAVH): LAVHs and LAVHb. METH…

OBJECTIVE: To investigate the apoptosis-related mechanisms of levenorgestrel-releasing intrauterine system (LNG-IUS), oral medroxyprogesterone (MPA), and injective gonadotrophic hormone releasing hormone agonist (GnRHa) on eutopic endometri…

OBJECTIVE: To investigate the effects of progesterone and progestin on the expressions of regulated on activation, normal T cell expressed and secreted (RANTES) in eutopic endometrium from patients with endometriosis. METHODS: We collected…

OBJECTIVE: To study the relationship between pain symptoms and the clinico-pathological features of pelvic endometriosis (EM). METHODS: One hundred thirty patients with laparoscopic diagnosis of EM were studied retrospectively and the rela…