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Amirijavid, Shaghayegh,Entezari, Maliheh,Movafagh, Abolfazl,Hashemi, Mehrdad,Mosavi-Jarahi, Alireza,Dehghani, Hossein Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.no.sup3
Cancer causes cells to avoid death while being the second cause of death in the world itself. Damaged cells in the absence of apoptosis will increasingly amplify their inefficient genome. Of the two main apoptosis inducing pathways in cells, the first has p53 protein as the main initiating factor in the cascade. According to research results this protein s mutated in 50% of cancers and sointerest has cooncentrated on the second pathway that features death receptors. Among these receptors TRAIL1/DR5 is especially expressed in cancer cells. So targeting such receptors can initiate the apoptotic cascade in cells. Interestingly by substitution of activating ligands with antibodies as agonists, we could efficiently turn on the apoptosis pathway. First of all, three small peptides from the DR5 protein extracellular domain were synthesized and injected with two different kind of adjuvants (Fround and liposomal encapsulation) separately into mice at 15 day intervals. As a result, liposomal peptides induced the immune system more efficient than Frounds adjuvant and at the end point the antibodies which were obtained from liposomal peptide injection induced much more effective death. Liposomal formol could be used as an adjuvant in immunization utilizing small peptides. They carry, protect and deliver peptides very efficiently. In addition, small peptides of a certain size from the extracellular domain of DR5 proteins not only can induce immune system but also produce antibodies playing a remarkable anti-cancer roles against breast cancer cells (MCF-7).
Genomic Profiling of Chronic Myelogenous Leukemia: Basic and Clinical Approach
Aliasghar Keramatinia,Alireza Ahadi,Mohammad Esmaeil Akbari,Maryam Mohseny,Alireza Mosavi Jarahi,Narjes Mehrvar,Neda Mansouri,S.A. Mortazavi Tabatabaei,Abolfazl Movafagh 대한암예방학회 2017 Journal of cancer prevention Vol.22 No.2
Chronic myeloid leukemia (CML) is a hematological stem cell cancer driven by BCR-ABL1 fusion protein. We review the previous and recent evidence on the significance of CML in diagnostic and clinic management. The technical monitoring of BCR-ABL1 with quantitative real time-PCR has been used in assessing patient outcome. The cytogenetic mark of CML is Philadelphia chromosome, that is formed by reciprocal chromosomal translocations between human chromosome 9 and 22, t(9:22) (q34:q11). It makes a BCR-ABL1 fusion protein with an anomaly tyrosine kinase activity that promotes the characteristic proliferation of progenitor cells in CML and acute lymphoblastic lymphoma. The targeting of BCR-ABL1 fusion kinase is the first novel paradigm of molecularly targeted curing.
Amirijavid, Shaghayegh,Entezari, Maliheh,Movafagh, Abolfazl,Hashemi, Mehrdad,Mosavi-Jarahi, Alireza,Dehghani, Hossein Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.no.sup3
TRAIL, tumor necrosis factor (TNF)-related apoptosis-inducing ligand belongs to one of important cytokine superfamilIES, tumor necrosis factor ($TNF{\alpha}$). TRAIL-2 receptor agonists activate several cell signaling pathways in cells in different manners and could lead to apoptosis or necrosis. Agonistic egg yolk antibodies like IgY which have been developed in a selective manner could activate TRAIL death receptors such as TRAIL-2 (DR5) and thus apoptosis signaling. We here investigated induction of apoptosis in human breast cancer cells (MCF7 cell line) by an IgY produced against an 21 aminoacid epitope of the human TRAIL-2 receptor. As the first step a small peptide of 21 aminoacids choosen from the extracellular domain of DR5 protein was produced with a peptide synthesizer. After control assays and confirmation of the correct amino acid sequence, it was injected to hens immunized to achieve high affinity IgYs. At the next step, the produced IgYs were extracted and examined for specificity against DR5 protein by ELISA assay. Subsequently, the anticancer effect of such IgYs was determined by MTT assay in the MCF7 human breast cancer cell line. The produced peptides successfully immunized hens and the produced antibodies which accumulated in egg yolk specifically recognized the DR5 protein. IgYs exerted significant toxicity and killed MCF7 cells as shown by MTT assay.
Overexpression of the MUC1 Gene in Iranian Women with Breast Cancer Micrometastasis
Mansouri, Neda,Movafagh, Abolfazl,Soleimani, Shahrzad,Taheri, Mohammad,Hashemi, Mehrdad,Pour, Atefeh Heidary,Shargh, Shohreh Alizadeh,Mosavi-Jarahi, Alireza,Sasaninejad, Zahra,Zham, Hanieh,Hajian, Par Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.no.sup3
The membrane epithelial mucin MUC1 is expressed at the luminal surface of most simple epithelial cells, but expression is greatly increased in most breast cancers. The aims of present study were to investigate expression of the MUC1 gene and interactive affects in metastases. Whole cell RNA isolation from 50 sentinel lymph nodes (SNLs) of breast cancer patients was performed using reverse transcription and real-time PCR. All patients were diagnosed with breast cancer and without metastasis, confirmed by IHC staining. The evaluation of tumor and normal samples for expression of MUC1 gene, the results were 49.1% non-expressive and 45.3% expression (Student t, p = 0.03). Also in comparison of normal breast tissue and breast cancer SLN for MUC1 gene, MUC1 negative SLNs were 75.0% (18 samples) and MUC1 positive samples were 25.0% (6 samples). Over-expression of MUC1 gene may offer a target for therapy related to progression and metastasis in women with breast cancer.