Year 2019,
, 33 - 44, 01.02.2019
Serkan İsmail Göktuna
,
Tieu Lan Chau
Erta Xhafa
Abstract
Kanser
tüm dünyadaki ölümlerin en önde gelen sebebi olma yolunda ilerlemektedir.
Kansere karşı daha etkili tedavi seçenekleri geliştirmek için tümör gelişimi ve
yayılmasının çok daha iyi anlaşılması gerekmektedir. Konuyla ilgili
bilgilerimiz arttıkça kanserin çok karmaşık bir hastalık olduğu ve bu
karmaşıklığın kısmen aynı tümör kitlesinde dahi görülebilen yüksek heterojenlik
düzeyine bağlı olduğu ortaya çıkmaktadır. Bu nedenle, farklı hiyerarşilere yol
açan tümör hücreleri arasındaki karmaşık düzenleme ve etkileşimlerin açıklığa
kavuşturulması için artan bir ihtiyaç söz konusudur. Tümör başlatan ve kendini
yenileyen kök hücre kavramları, monoklonal tümör gelişiminde görülen çok
sayıdaki neslin ortaya çıkışını açıklamak için uzun zamandan beri ileri sürülmektedirler.
Artık günümüzde çoğu kanser tipinde bulunan kanser kök hücrelerinin tümör
gelişimi ve yayılmasında çok sayıda rolleri olduğu bilinmektedir. Kanser kök
hücrelerinin sahip oldukları pek çok ilginç özellikleri, tümör hücresi
plastisitesi, epitemezenkimal dönüşüm ve kemoterapi direncindeki rollerinin
açıklığa kavuşturulması ve yeni tedavi stratejilerinin geliştirilmesi için daha
da ilgi çekmektedir. Bu çalışmada kanser kök hücresi biyolojisi ile ilgili
bildiklerimizde yaşanan gelişmeleri ortaya koyabilmek için yapılan son
çalışmalar özetlenmiştir.
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Year 2019,
, 33 - 44, 01.02.2019
Serkan İsmail Göktuna
,
Tieu Lan Chau
Erta Xhafa
Abstract
Cancer is becoming the leading cause of death
all around the world. To develop better therapeutic options against cancer, we
need a thorough understanding of tumor development and dissemination. As our
knowledge increases, it becomes apparent that cancer is a very complex disease
and this complexity is partially due to the great level of heterogeneity even
within the same tumor mass. Therefore, there is a pressing need to decipher
complex regulations and interactions of the tumor cells that lead to different
hierarchies. Concepts of tumor-initiating and self-renewing stem cell have long
been proposed to explain the emergence of a vast number of progenies within
monoclonal neoplastic growth. It is now known that cancer stem cells which are
found in many cancers have many roles in tumor development and dissemination.
Many fascinating properties of cancer stem cells draw further attention to
clarify their involvement in tumor cell plasticity, epithelial to mesenchymal
transition, chemotherapy resistance and to develop therapeutic strategies for
their targeting. Here we summarized recent efforts to illustrate the progress in
our understanding of the biology of cancer stem cells.
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