نتایج جستجو برای: ovarian stem cells

تعداد نتایج: 1568347  

2013
Irma Virant-Klun Martin Stimpfel Branko Cvjeticanin Eda Vrtacnik-Bokal Thomas Skutella

BACKGROUND It has already been found that very small embyronic-like stem cells (VSELs) are present in adult human tissues and organs. The aim of this study was to find if there exists any similar population of cells in cell cultures of reproductive tissues and embryonic stem cells, and if these cells have any relation to pluripotency and germinal lineage. METHODS AND RESULTS Here we report th...

2012
Deepa Bhartiya Kalpana Sriraman Seema Parte

The spontaneous return of fertility after bone marrow transplantation or heterotopic grafting of cryopreserved ovarian cortical tissue has surprised many, and a possible link with stem cells has been proposed. We have reviewed the available literature on ovarian stem cells in adult mammalian ovaries and presented a model that proposes that the ovary harbors two distinct populations of stem cell...

Journal: :international journal of hematology-oncology and stem cell research 0
khushnuma cooper regenerative medicine group, reliance life sciences pvt. ltd., dhirubhai ambani life sciences centre, r-282, ttc area of midc, thane-belapur rd. rabale, navi mumbai - 400701, maharashtra, india. viru shah regenerative medicine group, reliance life sciences pvt. ltd., dhirubhai ambani life sciences centre, r-282, ttc area of midc, thane-belapur rd. rabale, navi mumbai - 400701, maharashtra, india. nupur sapre regenerative medicine group, reliance life sciences pvt. ltd., dhirubhai ambani life sciences centre, r-282, ttc area of midc, thane-belapur rd. rabale, navi mumbai - 400701, maharashtra, india. ekta sharma regenerative medicine group, reliance life sciences pvt. ltd., dhirubhai ambani life sciences centre, r-282, ttc area of midc, thane-belapur rd. rabale, navi mumbai - 400701, maharashtra, india. chetna mistry regenerative medicine group, reliance life sciences pvt. ltd., dhirubhai ambani life sciences centre, r-282, ttc area of midc, thane-belapur rd. rabale, navi mumbai - 400701, maharashtra, india. chandra viswanathan regenerative medicine group, reliance life sciences pvt. ltd., dhirubhai ambani life sciences centre, r-282, ttc area of midc, thane-belapur rd. rabale, navi mumbai - 400701, maharashtra, india.

background: umbilical cord tissue is a very rich source of mesenchymal stem cells. instead of discarding this source we are banking the tissue along with cord blood for possible future cell based applications. the cord tissue needs to be transported and stored properly in order for it to be good enough for cell isolation at a later date. in this paper we have carried out a validation study to d...

Journal: :journal of craniomaxillofacial research 0
maryam sohrabi craniomaxillofacial research center, tehran university of medical sciences, tehran, iran. ali hassani oral and maxillofacial surgery department ,school of dentistry, tehran azad medical university. abbas karimi craniomaxillofacial research center, tehran university of medical sciences department of oral and maxillofacial surgery, tehran university of medical sciences. mehrnoosh momeni craniomaxillofacial research center, tehran university of medical sciences, tehran, iran .oral and maxillofacial surgery department, school of dentistry, tehran university of medical sciences, tehran, iran. naghmeh bahrami oral and maxillofacial surgery department, school of dentistry, tehran university of medical sciences, tehran, iran. craniomaxillofacial research center, tehran university of medical sciences ,tehran, iran. iranian tissue bank & research center, tehran university of medical sciences, tehran, iran.

introduction : use of adipose-derived stem cells (adscs) is a suggested hypothesis to enhance the regeneration of bone defects. this technique is of particular interest since adscs are more easily accessible via a non-invasive harvesting technique compared to bone marrow stem cells (bmscs). this study sought to assess the efficacy of adsc implantation for regeneration of localized mandibular bo...

2016
Junli Deng Li Wang Hongmin Chen Jingli Hao Jie Ni Lei Chang Wei Duan Peter Graham Yong Li

Chemoresistance is the main challenge for the recurrent ovarian cancer therapy and responsible for treatment failure and unfavorable clinical outcome. Understanding mechanisms of chemoresistance in ovarian cancer would help to predict disease progression, develop new therapies and personalize systemic therapy. In the last decade, accumulating evidence demonstrates that epithelial-mesenchymal tr...

2016
Irma Virant-Klun Martin Stimpfel

Small stem cells with diameters of up to 5 μm previously isolated from adult human ovaries indicated pluripotency and germinal lineage, especially primordial germ cells, and developed into primitive oocyte-like cells in vitro. Here, we show that a comparable population of small stem cells can be found in the ovarian tissue of women with borderline ovarian cancer, which, in contrast to small ste...

2016
Yi-Jen Lee Chang-Cheng Wu Jhy-Wei Li Chien-Chih Ou Shih-Chung Hsu Hsiu-Hsueh Tseng Ming-Ching Kao Jah-Yao Liu

The availability of adequate cancer stem cells or cancer stem-like cell (CSC) is important in cancer study. From ovarian cancer cell lines, SKOV3 and OVCAR3, we induced peritoneal ascites tumors in immunodeficient mice. Among the cells (SKOV3.PX1 and OVCAR3.PX1) from those tumors, we sorted both CD44 and CD133 positive cells (SKOV3.PX1_133+44+, OVCAR3.PX1_133+44+), which manifest the characteri...

2011
Moorthy P Ponnusamy Parthasarathy Seshacharyulu ArokiaPriyanka Vaz Parama Dey Surinder K Batra

BACKGROUND Recent evidence has suggested that the capability of cancer to grow, propagate and relapse after therapy is dependent on a small subset of the cell population within the tumor, called cancer stem cells. Therefore, this subpopulation of cells needs to be targeted with different approaches by identification of unique stem-cell specific target antigens. One of the well known tumor antig...

Journal: :Histology and histopathology 2011
Irma Virant-Klun Martin Stimpfel Thomas Skutella

There has been a long persisting dilemma about potential ovarian stem cells in adult mammalian ovaries, including human, and now there is steadily increasing experimental evidence on their existence. After some previous indirect evidence about the presence of stem cells in adult mouse ovaries, an important breakthrough was made by Zou and his co-workers who successfully established long-persist...

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