Igor Bychkov

Igor Bychkov
Fox Chase Cancer Center · Cancer signaling and microenviroment

Doctor of Medicine

About

21
Publications
1,875
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117
Citations

Publications

Publications (21)
Article
Full-text available
Simple Summary This study identified the PIP4K2B protein as a key target of NSD1 in head and neck cancer. We found that PIP4K2B positively regulates the mTOR signaling pathway and promotes head and neck cancer cell growth. This study reveals a direct role of NSD1 in controlling PIP4K2B gene mRNA expression levels. We think that NSD1 controls the am...
Preprint
Full-text available
Lung cancer is one of the most common types of cancer worldwide. Non-small cell lung cancer (NSCLC), typically caused by KRAS and TP53 driver mutations, represents the majority of all new lung cancer diagnoses. Overexpression of the RNA-binding protein (RBP) Musashi-2 (MSI2) has been associated with NSCLC progression. To investigate the role of MSI...
Article
Full-text available
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide. Despite advances in therapeutic management and immunotherapy, the 5-year survival rate for head and neck cancer remains at ~66% of all diagnosed cases. A better definition of drivers of HPV-negative HNSCC that are targetable points of tumor vulnerability could...
Preprint
Full-text available
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide. Despite advances in therapeutic management and immunotherapy, the five-year survival rate for head and neck cancer remains at ~66% of all diagnosed cases. A better definition of drivers of HPV-negative HNSCC that are targetable points of tumor vulnerability cou...
Preprint
Lung cancer is one of the most common types of cancers worldwide. Non-small cell lung cancer (NSCLC), typically caused by KRAS and TP53 driver mutations, represents the majority of all new lung cancer diagnoses. Overexpression of the RNA-binding protein (RBP) Musashi-2 (MSI2) has been associated with NSCLC progression. To investigate the role of MS...
Article
Full-text available
Lung cancer is the most frequently diagnosed cancer type and the leading cause of cancer-related deaths worldwide. Non-small cell lung cancer (NSCLC) represents most of the diagnoses of lung cancer. Vascular endothelial growth factor receptor-2 (VEGFR2) is a member of the VEGF family of receptor tyrosine kinase proteins, which are expressed on both...
Article
Members of the NSD protein family (NSD1, NSD2, and NSD3) are histone methyltransferases (HMTs) that catalyze lysine 36 dimethylation (K36me2) at histone H3. H3K36 modifications play an important role in regulating the function and structure of chromatin, affecting transcription, replication, and repair. Abnormal H3K36 methylation is often detected...
Article
Lung cancer is one of the most frequently diagnosed cancers and is the leading cause of cancer-related death worldwide, accounting for >2.2 million of new cancer diagnoses and 1.8 million cancer-related deaths in 2020. Non-small cell lung cancer (NSCLC) is the most common type of lung cancer, including adenocarcinomas and squamous cell carcinomas....
Preprint
Full-text available
Lung cancer is the most frequently diagnosed cancer type and the leading cause of cancer-related deaths worldwide. Non-small cell lung cancer (NSCLC) represents most of the lung cancer. Vascular endothelial growth factor receptor-2 (VEGFR2) is a member of the VEGF family of receptor tyrosine kinase proteins, expressed on both endothelial and tumor...
Preprint
Full-text available
RNA-binding proteins (RBPs) are key post-transcriptional regulators of gene expression, and thus underlie many important biological processes. Here, we developed a strategy that entails extracting a "hotspot pharmacophore" from the structure of a protein-RNA complex, to create a template for designing small-molecule inhibitors and for exploring the...
Preprint
Full-text available
RNA-binding proteins (RBPs) are key post-transcriptional regulators of gene expression, and thus underlie many important biological processes. Here, we developed a strategy that entails extracting a "hotspot pharmacophore" from the structure of a protein-RNA complex, to create a template for designing small-molecule inhibitors and for exploring the...
Article
Lung cancer holds second place in incidence and first place in mortality among all cancers, both in men and women, with metastasis contributing to the vast majority of deaths. Recently, expression of vascular endothelial growth factor receptor-2 (VEGFR2) on both endothelial and tumor cells was demonstrated as one of the key mechanisms contributing...
Article
Histone modifications play important role in regulating the function and structure of chromatin. Abnormal histone methylation is often detected during tumor development and progression. NSD1, NSD2, and NSD3 are key histone methyltransferases (HMTs) that catalyze lysine 36 dimethylation (K36me2) at histone H3. Inactivating NSD1 mutations are frequen...
Article
Full-text available
NSD1, NSD2, and NSD3 constitute the nuclear receptor-binding SET Domain (NSD) family of histone 3 lysine 36 (H3K36) methyltransferases. These structurally similar enzymes mono- and di-methylate H3K36, which contribute to the maintenance of chromatin integrity and regulate the expression of genes that control cell division, apoptosis, DNA repair, an...
Article
Full-text available
Background The RNA-binding protein Musashi-2 (MSI2) controls the translation of proteins that support stem cell identity and lineage determination and is associated with progression in some cancers. We assessed MSI2 as potential clinical biomarker in colorectal cancer (CRC) and tubulovillous adenoma (TA) of colon mucosa. Methods We assessed 125 pa...
Article
Full-text available
Non-small cell lung cancer (NSCLC) has limited treatment options. Expression of the RNA-binding protein (RBP) Musashi-2 (MSI2) is elevated in a subset of non-small cell lung cancer (NSCLC) tumors upon progression, and drives NSCLC metastasis. We evaluated the mechanism of MSI2 action in NSCLC to gain therapeutically useful insights. Reverse phase p...
Article
e16009 Background: The RNA-binding protein Musashi-2 (MSI2) controls the translation of proteins that support stem cell identity and lineage determination. Elevated expression of MSI2 plays an important role during progression, dissemination, and drug resistance in numerous solid and hematological malignancies. This study assessed MSI2 as potential...
Conference Paper
Musashi-2 (MSI2) is an RNA-binding protein that regulates mRNA translation. We recently established that MSI2 is elevated in a subset of non-small cell lung cancer (NSCLC) tumors upon progression and drives NSCLC metastasis, in part based on activity supporting a TGF-beta/SMAD3/claudin signaling cascade. Here, reverse phase protein array (RPPA) ana...
Article
Herein we study the effect of doxorubicin-loaded BN nanoparticles (DOX-BNNPs) on cell lines that differ in the multidrug resistance (MDR), namely KB-3-1 and MDR KB-8-5 cervical carcinoma lines, and K562 and MDR i-S9 leukemia lines. We aim at revealing the possible differences in the cytotoxic effect of free DOX and DOX-BNNP nanoconjugates on these...
Article
The main problem in the treatment of many cancers is multidrug resistance due to tumor progression. Using nanosized drug delivery systems allows to overcome the mechanisms of multidrug resistance of cancer, in this case, chemotherapeutic agents can effectively introduce into cancer cells by endocytosis and accumulate near the nucleus and far from A...

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