نتایج جستجو برای: sscs

تعداد نتایج: 935  

2013
Tayebeh Rastegar Mohammad Bagher Minaee Mehryar Habibi Roudkenar Iraj Raghardi Kashani Fardin Amidi Farid Abolhasani Mohammad Barbarestani

OBJECTIVE(S) Spermatogonial Stem Cells (SSCs) maintain spermatogenesis throughout the life of the male. Because of the small number of SSCs in adult, enriching and culturing them is a crucial step prior to differentiation or transplantation. Maintenance of SSCs and transplantation or induction of in vitro spermio-genesis may provide a therapeutic strategy to treat male infertility. This study i...

2016
Vahid Akbarinejad Parviz Tajik Mansoureh Movahedin Reza Youssefi

BACKGROUND Niche cells, regulating Spermatogonial Stem Cells (SSCs) fate are believed to have a reciprocal communication with SSCs. The present study was conducted to evaluate the effect of SSC elimination on the gene expression of Glial cell line-Derived Neurotrophic Factor (GDNF), Fibroblast Growth Factor 2 (FGF2) and Kit Ligand (KITLG), which are the main growth factors regulating SSCs devel...

Journal: :Journal of stem cell research & therapy 2011
Maria Kokkinaki Ardalan Djourabtchi Nady Golestaneh

Recently we and two other groups have shown that human spermatogonial stem cells (SSCs) have the potential to become pluripotent in vitro in defined culture conditions and to differentiate into cells of the three embryonic germ layers. This discovery could open new avenues for autologous cell-based therapy in degenerative diseases, bypassing the ethical and immunological problems related to the...

2017
Alexandre Lädermann Patrick Joel Denard Jérome Tirefort Philippe Collin Alexandra Nowak Adrien Jean-Pierre Schwitzguebel

BACKGROUND With the growth of reverse shoulder arthroplasty (RSA), it is becoming increasingly necessary to establish the most cost-effective methods for the procedure. The surgical approach is one factor that may influence the cost and outcome of RSA. The purpose of this study was to compare the clinical results of a subscapularis- and deltoid-sparing (SSCS) approach to a traditional deltopect...

2013
Gautam Kaul Shashi Kumar Sunita Kumari

The well documented source for adult multipotent stem cells is spermatogonial stem cells (SSCs) of mammalian testis. It is foundation of spermatogenesis in the testis throughout adult life by balancing self-renewal and differentiation. SSCs isolation from mammalian testis is difficult because of their scarcity and the lack of well characterized cell surface markers. Thus, the isolation of SSCs ...

2005
F. M. Soares M. K. Smit

Low-loss spot size converters (SSC) are important elements for coupling photonic integrated circuits to fibres. We have developed a Cl2-based inductively-coupled-plasma process to etch non-selectively InP and photo-resist (PR). This process was then used to transfer a vertically-tapered PR pattern into an InP/InGaAsP structure. The tapered PR pattern was made using a standard optical lithograph...

2016
Maysoun Ibrahim Carl Adams Ali El-Zaart

Rapid urbanization and globalization make the move toward Smart Sustainable Cities (SSC) a must. Achieving successful transformation towards SSCs constitutes a significant challenge for policy makers. One area that is not well covered in the literature is the application of SSCs in specific regions, such as the Arab region. This paper draws upon examples of SSCs initiatives and existing SSC tra...

Journal: :international journal of environmental research 2013
n. sravanthi i.v. ramana p. yunus ali m. ashraf m.m. ali

this study presents an empirical relationship of suspended sediment concentrations (sscs) inthe coastal waters, which is derived from the conventional methods, to radiometer remote sensing reflectance values (rrs) and satellite data in coastal waters of kerala. an algorithm is then developed to utilize both in situ sscs measured from conventional methods and rrs values. this algorithm is valida...

2010
Bart T. Phillips Kathrin Gassei Kyle E. Orwig

This article will provide an updated review of spermatogonial stem cells and their role in maintaining the spermatogenic lineage. Experimental tools used to study spermatogonial stem cells (SSCs) will be described, along with research using these tools to enhance our understanding of stem cell biology and spermatogenesis. Increased knowledge about the biology of SSCs improves our capacity to ma...

2016
Seung-Jung Ha Byung-Gak Kim Yong-An Lee Yong-Hee Kim Bang-Jin Kim Sang-Eun Jung Myeong-Geol Pang Buom-Yong Ryu

Spermatogonial stem cells (SSCs) are germline stem cells that serve as the foundation of spermatogenesis to maintain fertility throughout a male's lifetime. To treat male infertility using stem cell banking systems and transplantation, it is important to be able to preserve SSCs for long periods of time. Therefore, this study was conducted to develop an optimal cryopreservation protocol for SSC...

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