Role of Pten in leukemia stem cells

Role of Pten in leukemia stem cells


Chronic myeloid leukemia (CML) is initiated from the BCR-ABL-expressing leukemia stem cells (LSCs). These LSCs are highly resistant to BCR-ABL kinase inhibitors, imatinib, dasantinib and nilotinib, and methods for eradication of LSCs are still not available. It is critical to identify genes that play roles in survival and proliferation of LSCs. We recently discovered that the tumor suppressor gene Pten is downregulated in LSCs of CML mice. By genetic deletion or overexpression of Pten, we confirmed that Pten functions as a tumor suppressor in LSCs of CML, consistent with the role of Pten in LSCs of acute myeloid leukemia (AML) and progenitor cells of T-ALL progenitors. Functional enhancement of the Pten pathway provides a therapeutic strategy for targeting LSCs.



oncotarget impact Zoya Demidenko Dr. Zoya N. Demidenko Zoya N. Demidenko , Ph.D. is Executive Manager of the Oncotarget journal . Oncotarget publishes high-impact research papers of general interest and outstanding significance and novelty in all areas of biology and medicine: in translational, basic and clinical research including but not limited to cancer research, oncogenes, oncoproteins and tumor suppressors, signaling pathways as potential targets for therapeutic intervention, shared targets in different diseases (cancer, benign tumors, atherosclerosis, eukaryotic infections, metabolic syndrome and other age-related diseases), chemotherapy, and new therapeutic strategies. After earning her Ph.D. in molecular biology, Zoya was awarded a Fogarty post-doctoral Fellowship from the National Institutes of Health in Bethesda, MD. After successful completion of post-doctoral training, she continued her professional career at George Washington University and Albert Einstein School of Medicine . In 2005 she cofounded the startup company Oncotarget Inc. which is focused on the development of anti-aging and anti-cancer drugs. Her research interests include signal transduction, cell cycle and cellular senescence, and their pharmacological targeting. In 2009 she cofounded the publishing house Impact Journals which specializes in publishing scientific journals. In 2011 she was selected to be a Member of the National Association of Professional Women .


When general population discuss modern medicine, precision plays one of the most important roles and human lives are literally dependent on it. Likewise, any researches related to medicine are necessary to comply with the highest standards. The issue nowadays is that any conclusions of researches can be published online and used as a reference without being properly checked and approved. Mikhail (Misha) Blagosklonny of Oncotarget clearly understood this issue and attempted to develop an alternative solution. That’s how a weekly oncology-focused research journal called “Oncotarget” has been founded back in 2010. The main principle of this journal is related to Altmetric scores that are used as a quality measure. That helps both readers and authors to verify publications with Altmetric Article Reports that provide “real-time feedback containing data summary related to a particular publication.” Oncotarget website provides a complete publications list with corresponding scores higher than 100 as well as reports discussed previously. Mikhail (Misha) Blagosklonny glad to share his new approach and hopes it creates the required assistance to anyone, who has interest in oncology.
“A diagnostic autoantibody signature for primary cutaneous melanoma” has the Altmetric score of 594. This article was released back in 2018 by Oncotarget and written by several experts from Hollywood Private Hospital, Edith Cowan University, Dermatology Specialist Group, St. John of God Hospital and The University of Western Australia. The introduction of the study mentions that “recent data shows that Australians are four times more likely to develop a cancer of the skin than any other type of cancer”, and shares an insight on melanoma that “is curable by surgical excision in the majority of cases, if detected at an early stage.”
The publication has got an Altmetric score of 594. Mikhail (Misha) Blagosklonny realizes that majority of readers are willing to understand the very meaning of it. Based on the Altmetric website, the score indicates “how many people have been exposed to and engaged with a scholarly output.” Hereby, the paper about melanoma, was used for citations in various news articles 69 times. In addition, it was referred to in 2 online blogs, as well as 25 Tweets on Twitter and 1 Facebook post. FOX23 of Tulsa, Oklahoma has headlined their news on July 20, 2018 as “New blood test could detect skin cancer early”, using the main content of Australia study 
Another Oncotarget’s research with a top score of 476, is “Biomarkers for early diagnosis of malignant mesothelioma: Do we need another moon-shot,”. This publication has appeared in 60 news stories, 1 online blog post and 6 Twitter posts. The majority of public may have seen a short overview only, however those who visit Mikhail (Misha) Blagosklonny at Oncotarget, do get useful scientific facts. Oncotarget is glad to have the ability to share with online readers this highly appreciated and high-quality information, that is trustworthy and reliable.

When general population discuss modern medicine, accuracy plays one of the most significant roles and human lives are literally dependent on it. Hereby, any researches related to medicine are required to comply with the highest standards. The challenge nowadays is that any recommendations of researches can be posted online and used as a reference without being adequately verified and validated. Mikhail (Misha) Blagosklonny of Oncotarget clearly understood this problem and decided to create an alternative solution. That’s how a weekly oncology-focused research journal called “Oncotarget” has been established back in 2010. The key principle of this journal is based on Altmetric scores that are used as a quality measure. That allows both readers and authors to quality-check publications with Altmetric Article Reports that generate “real-time feedback containing data summary related to a particular publication.” Oncotarget website has a full publications list with respective scores higher than 100 as well as reports mentioned previously. Mikhail (Misha) Blagosklonny proud to share his new approach and hopes it creates the necessary help to anybody, who has interest in oncology.
“A diagnostic autoantibody signature for primary cutaneous melanoma” has the Altmetric score of 594. This paper was published back in 2018 by Oncotarget and completed by several experts from Hollywood Private Hospital, Edith Cowan University, Dermatology Specialist Group, St. John of God Hospital and The University of Western Australia. The introduction of the study mentions that “recent data shows that Australians are four times more likely to develop a cancer of the skin than any other type of cancer”, and provides an insight on melanoma that “is curable by surgical excision in the majority of cases, if detected at an early stage.”
The paper has got an Altmetric score of 594. Mikhail (Misha) Blagosklonny realizes that majority of readers are willing to comprehend the very meaning of it. Based on the Altmetric website, the score relates to “how many people have been exposed to and engaged with a scholarly output.” Hereby, the publication about melanoma, was utilized for citations in different news articles 69 times. Besides that, it was quoted in 2 online blogs, as well as 25 Tweets on Twitter and 1 Facebook post. FOX23 of Tulsa, Oklahoma has headlined their news on July 20, 2018 as “New blood test could detect skin cancer early”, using the main content of Australia study 
Another Oncotarget’s study with a top score of 476, is “Biomarkers for early diagnosis of malignant mesothelioma: Do we need another moon-shot,”. This study has appeared in 60 news stories, 1 online blog post and 6 Twitter posts. The majority of public may have seen a brief overview only, however those who visit Mikhail (Misha) Blagosklonny at Oncotarget, do get helpful scientific facts. Oncotarget is happy to have the chance to share with online customers this highly appreciated and high-quality information, that is trustworthy and reliable.

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