Human Genetics And Molecular Medicine - Research Publications

Permanent URI for this collectionhttps://kr.cup.edu.in/handle/32116/107

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    Apoptotic and antimetastatic effect of cucurbitacins in cancer: recent trends and advancement
    (Springer Science and Business Media Deutschland GmbH, 2023-04-03T00:00:00) Kumar, Ajay; Sharma, Bunty; Sharma, Ujjawal; Parashar, Gaurav; Parashar, Nidarshana Chaturvedi; Rani, Isha; Ramniwas, Seema; Kaur, Satwinderjeet; Haque, Shafiul; Tuli, Hardeep Singh
    The Cucurbitaceae family produces a class of secondary metabolites known as cucurbitacins. The eight cucurbitacin subunits are cucurbitacin B, D, E, I, IIa, L glucoside, Q, and R with the most significant anticancer activity. They are reported to inhibit cell proliferation, invasion, and migration; induce apoptosis; and encourage cell cycle arrest, as some of their modes of action. The JAK-STAT3, Wnt, PI3K/Akt, and MAPK signaling pathways, which are essential for the survival and apoptosis of cancer cells, have also been shown to be suppressed by cucurbitacins. The goal of the current study is to summarize potential molecular targets that cucurbitacins could inhibit in order to suppress various malignant processes. The review is noteworthy since it presents all putative molecular targets for cucurbitacins in cancer on a single podium. � 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
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    Long non-coding RNAs involved in different steps of cancer metastasis
    (Springer Science and Business Media Deutschland GmbH, 2022-02-04T00:00:00) Suman, P.; Chhichholiya, Y.; Kaur, P.; Ghosh, S.; Munshi, A.
    Non-proteincoding transcripts bearing 200 base pairs known as long non-coding RNAs (lncRNAs) play a role in a variety of molecular mechanisms, including cell differentiation, apoptosis and metastasis. Previous studies have suggested that frequently dysregulated lncRNAs play a crucial role in various aspects of cancer metastasis. Metastasis is the main leading cause of death in cancer. The role of lncRNAs in different stages of metastasis is the subject of this review. Based on in vitro and in vivo investigations on metastasis, we categorized lncRNAs into distinct stages of metastasis including angiogenesis, invasion, intravasation, survival in circulation, and extravasation. The involvement of lncRNAs in angiogenesis and invasion has been extensively studied. Here, we comprehensively discuss the role and functions of these lncRNAs with a particular focus on the molecular mechanisms. � 2022, The Author(s), under exclusive licence to Federaci�n de Sociedades Espa�olas de Oncolog�a (FESEO).
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    Complex roles of discoidin domain receptor tyrosine kinases in cancer
    (Springer Science and Business Media Deutschland GmbH, 2021-02-25T00:00:00) Mehta, V.; Chander, H.; Munshi, A.
    Discoidin domain receptors, DDR1 and DDR2 are members of the receptor tyrosine kinase (RTK) family that serves as a non-integrin collagen receptor and were initially identified as critical regulators of embryonic development and cellular homeostasis. In recent years, numerous studies have focused on the role of these receptors in disease development, in particular, cancer where they have been reported to augment ECM remodeling, invasion, drug resistance to facilitate tumor progression and metastasis. Interestingly, accumulating evidence also suggests that DDRs promote apoptosis and suppress tumor progression in various human cancers due to which their functions in cancer remain ill-defined and presents a case of an interesting therapeutic target. The present review has discussed the role of DDRs in tumorigenesis and the metastasis. � 2021, Federaci�n de Sociedades Espa�olas de Oncolog�a (FESEO).
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    Transcriptional Regulation of Pro-metastatic Protein Formin Binding Protein17 (FBP17) in Breast Cancer
    (Central University of Punjab, 2018) Suman, Prabhat; Chander, Harish
    Breast cancer is a diverse disease with multiple subtypes. Among the different molecular subtypes, triple negative breast cancers (TNBC) harbor frequent mutation in tumor suppressor p53. Recently it was shown that p53 suppresses Transducer of Cdc42-dependent Actin assembly-1 (Toca-1) that belongs to CIP4 subfamily. Members of the family including FBP17 play a significant role in actin assembly. FBP17 and Toca-1 have been recognized as key scaffolds for recruiting actin regulatory protein to promote invadopodia formation. Metastatic cancer cells form invadopodia and the F-BAR proteins are shown to enhance invadopodia. FBP17 consists of F-BAR domain, Cdc-15 homology, putative Rho-binding domain and SH3 domain. In the present study, we elucidate the correlation between p53 and FBP17 that affects metastatic potential of cancer cells. We observed that cancer cell lines with mutated p53 have high levels of FBP17. Activation of wild type p53 reduces FBP17 both at mRNA and protein level. Further, the ectopic expression of wild type p53 reduces FBP17 whereas mutant p53 failed to do so. Different cell lines and different methods of p53 activation were used to study the p53-FBP17 axis. Chromatin immunoprecipitation studies revealed the binding of p53 in the promoter of FBP17. The metastatic potential of breast cancer cells was observed after double knock down of both p53 and FBP17. Interestingly, we found that combined silencing of these two proteins led to a partial rescue of invasion upon p53 silencing in vitro. In conclusion we suggest that p53 controls FBP17 expression and FBP17 contributes to the invasion of cancer cells upon loss of p53 activity in cancer.