Journal of the Egyptian National Cancer Institute最新文献

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Impact of cetuximab plus cisplatin alone and cetuximab plus cisplatin and paclitaxel regimen on humanistic outcome in head and neck cancer. 西妥昔单抗联合顺铂单独治疗和西妥昔单抗联合顺铂和紫杉醇治疗方案对头颈癌人文预后的影响。
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2023-01-19 DOI: 10.1186/s43046-023-00160-9
Avinash Khadela, Bhavin Vyas, Mustakim Mansuri, Dipen Sureja, Kunjan Bodiwala
{"title":"Impact of cetuximab plus cisplatin alone and cetuximab plus cisplatin and paclitaxel regimen on humanistic outcome in head and neck cancer.","authors":"Avinash Khadela,&nbsp;Bhavin Vyas,&nbsp;Mustakim Mansuri,&nbsp;Dipen Sureja,&nbsp;Kunjan Bodiwala","doi":"10.1186/s43046-023-00160-9","DOIUrl":"https://doi.org/10.1186/s43046-023-00160-9","url":null,"abstract":"<p><strong>Background: </strong>The prevalence of head and neck cancer (HNC) is increasing rapidly, and the prognosis is poor in the advance stage. For the patient suffering from advance stage HNC, the improvement in quality of life and decrease mortality remain as the mainstay of treatment. The aim was to assess the change in quality-adjusted life-years (QALYs) in recurrent or metastatic HNC patients receiving cetuximab plus cisplatin and cetuximab plus cisplatin-paclitaxel.</p><p><strong>Methods: </strong>It was a single-centric prospective-observational study. Patients were divided into two cohorts based on the chemotherapy regimens they were prescribed. Patients in cohort 1 were prescribed with cetuximab and cisplatin and in cohort 2 were prescribed with cetuximab, cisplatin, and paclitaxel. The QALYs were the primary outcome of the study, and it was calculated using EQ-5D-5L instrument. Patients were followed until the completion of the therapy, i.e., six chemotherapy cycles. The statistical analysis was carried out using SPSS for descriptive and inferential analysis.</p><p><strong>Results: </strong>Amongst 175 patients screened, 100 patients were enrolled which further distributed in cohorts 1 and 2 equally. The mean QALYs were 0.016 and 0.017 at the time of diagnosis, i.e., before initiation of chemotherapy for patients in cohorts 1 and 2, respectively. At every chemotherapy cycle, the QALYs were calculated. After the completion of six chemotherapy cycles, the mean QALYs were 0.029 and 0.032 for patients in cohorts 1 and 2, respectively.</p><p><strong>Conclusion: </strong>The three-drug therapy consisting of cetuximab, cisplatin, and paclitaxel has shown significant improvement in patients' QALYs compared to two-drug regimens of cetuximab and cisplatin. Thus, if the therapy consisted of three-drug regimen is used instead of two-drug regimen, it will have a positive impact on humanistic outcome in recurrent or metastatic HNC patients.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"35 1","pages":"1"},"PeriodicalIF":1.8,"publicationDate":"2023-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10613425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Combination of chemotherapeutic agents and biological response modifiers (immunotherapy) in triple-negative/Her2( +) breast cancer, multiple myeloma, and non-small-cell lung cancer. 化疗药物和生物反应调节剂(免疫疗法)联合治疗三阴性/Her2(+)乳腺癌、多发性骨髓瘤和非小细胞肺癌。
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2023-01-02 DOI: 10.1186/s43046-022-00159-8
William Morse, Haroon Nawaz, Ayesha A Choudhry
{"title":"Combination of chemotherapeutic agents and biological response modifiers (immunotherapy) in triple-negative/Her2( +) breast cancer, multiple myeloma, and non-small-cell lung cancer.","authors":"William Morse,&nbsp;Haroon Nawaz,&nbsp;Ayesha A Choudhry","doi":"10.1186/s43046-022-00159-8","DOIUrl":"https://doi.org/10.1186/s43046-022-00159-8","url":null,"abstract":"<p><strong>Hypothesis: </strong>Biological response modifiers (immunotherapy) in combination to chemotherapy are superior to that of chemotherapy in treatment of breast cancer (triple-negative/HER-2 ( +)), multiple myeloma, and non-small-cell lung cancer.</p><p><strong>Methods: </strong>This review article consists of a total of eighteen independent randomized controlled clinical trials ranging from phases one to three. Patients were randomly selected for immunomodulatory treatment or chemotherapy and assessed for a specific mutation expression that the immunomodulatory agent targets. Kaplan-Meier plots, swimmer plots, and bar graphs depict overall/progression-free survival, objective response, and clinical response rates. The data collected was assessed by using 95% confidence interval and a p value of 0.05. Patients were treated until disease progression.</p><p><strong>Results: </strong>Biological response modifiers (immunotherapy) resulted in significantly longer median progression-free survival in PD-L1-positive breast cancer (7.5 months compared to 5.0 months in control group), multiple myeloma (60.7% compared to 26.9% in the daratumumab and placebo groups, respectively), and in non-small-cell lung cancer (median progression-free survival was 10.3 months in the pembrolizumab group compared to 6.0 months in the chemotherapy group): higher complete responses in multiple myeloma (79% and 66% in the elotuzumab and control groups, respectively) and lower disease progression in PD-L1-positive non-small-cell lung cancer (62.1% of pembrolizumab versus 50.3% of chemotherapy patients had no disease progression at 6 months).</p><p><strong>Conclusion: </strong>Combination biological response modifiers (immunotherapy) and chemotherapy displayed benefit in overall/progression-free survival, response rate, duration of response, clinical benefit, and invasive disease-free survival in triple-negative/HER2-2( +) breast cancer, multiple myeloma, and non-small-cell lung cancer.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"34 1","pages":"58"},"PeriodicalIF":1.8,"publicationDate":"2023-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10816208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Identification of significant genes associated with prognosis of gastric cancer by bioinformatics analysis. 生物信息学分析与胃癌预后相关的重要基因鉴定。
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2022-12-26 DOI: 10.1186/s43046-022-00157-w
Shuanhu Wang, Song Tao, Yakui Liu, Yi Shi, Mulin Liu
{"title":"Identification of significant genes associated with prognosis of gastric cancer by bioinformatics analysis.","authors":"Shuanhu Wang,&nbsp;Song Tao,&nbsp;Yakui Liu,&nbsp;Yi Shi,&nbsp;Mulin Liu","doi":"10.1186/s43046-022-00157-w","DOIUrl":"https://doi.org/10.1186/s43046-022-00157-w","url":null,"abstract":"<p><strong>Background: </strong>Gastric cancer (GC) ranks second in mortality among all malignant diseases worldwide. However, the cause and molecular mechanism underlying gastric cancer are not clear. Here, we used integrated bioinformatics to identify possible key genes and reveal the pathogenesis and prognosis of gastric cancer.</p><p><strong>Methods: </strong>The gene expression profiles of GSE118916, GSE79973, and GSE29272 were available from the Gene Expression Omnibus (GEO) database. Differentially expressed genes (DEGs) between GC and normal gastric tissues were screened by R software and Venn diagram software. GO and KEGG pathway enrichment of DEGs was performed using the DAVID database. A protein-protein interaction (PPI) network was established by STRING and visualized using Cytoscape software. Then the influence of hub genes on expression and survival was assessed using TCGA database.</p><p><strong>Results: </strong>A total of 83 DEGs were found in the three datasets, including 41 up-regulated genes and 42 down-regulated genes. These DEGs were mainly enriched in extracellular matrix organization and cell adhesion. The enriched pathways obtained in the KEGG pathway analysis were extracellular matrix (ECM)-receptor interaction and focal adhesion. A PPI network of DEGs was analyzed using the Molecular Complex Detection (MCODE) app of Cytoscape. Four genes were considered hub genes, including COL5A1, FBN1, SPARC, and LUM. Among them, LUM was found to have a significantly worse prognosis based on TCGA database.</p><p><strong>Conclusions: </strong>We screened DEGs associated with GC by integrated bioinformatics analysis and found one potential biomarker that may be involved in the progress of GC. This hub gene may serve as a guide for further molecular biological experiments.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"34 1","pages":"55"},"PeriodicalIF":1.8,"publicationDate":"2022-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10428157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Primary therapy of early breast cancer: Egyptian view of 2021 St. Gallen consensus. 早期乳腺癌的主要治疗:埃及对2021年圣加仑共识的看法。
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2022-12-26 DOI: 10.1186/s43046-022-00156-x
Hussein Khaled, Yousry Wasef Nada, Kareem Mohamed Ramadan, Shawkat Fekry, Mohamed Samy Seleam, Rabab Gaafar, Mohamed Lotayef
{"title":"Primary therapy of early breast cancer: Egyptian view of 2021 St. Gallen consensus.","authors":"Hussein Khaled,&nbsp;Yousry Wasef Nada,&nbsp;Kareem Mohamed Ramadan,&nbsp;Shawkat Fekry,&nbsp;Mohamed Samy Seleam,&nbsp;Rabab Gaafar,&nbsp;Mohamed Lotayef","doi":"10.1186/s43046-022-00156-x","DOIUrl":"https://doi.org/10.1186/s43046-022-00156-x","url":null,"abstract":"<p><strong>Purpose: </strong>The theme of the St. Gallen International Breast Cancer Conference 2021 held virtually for the first time, due to the COVID-19 pandemic, was on tailoring therapies for patients with early breast cancer. A monkey survey that included an Egyptian Panel voted on most of the questions of the original St. Gallen consensus, and some added new questions most relevant to oncology practice in the country, to be able to compare voting results that reflect differences in breast cancer management and decision making.</p><p><strong>Methods: </strong>The panel included 74 Egyptian scientists from different oncology specialties. Management issues including controversial diagnostic and therapeutic interventions were prepared by a small committee and then projected using the online monkey survey website: https://www.surveymonkey.com . The survey included 130 questions. Results were then analyzed, tabulated, and compared to the voting results of the original St. Gallen consensus.</p><p><strong>Results and conclusions: </strong>Voting questions and resulting percentages of answers from the Egyptian panel were summarized. There was no consensus between the Egyptian and the original St. Gallen panels on 28/130 statements. They mostly included genetic and pathologic aspects, specifically the routine use of gene signature assays and a few queries involving surgical, radiotherapeutic, and systemic interventions. Probably, available resources and healthcare system differences in Egypt compared to European and the USA were the cause of these differences. This would also be applicable to other low- and low-middle-income healthcare scenarios present in many countries, especially with the present constraints of the COVID-19 pandemic.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"34 1","pages":"56"},"PeriodicalIF":1.8,"publicationDate":"2022-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9790763/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10449380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predictors of peritoneal metastasis of gastric origin. 胃源性腹膜转移的预测因素。
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2022-12-19 DOI: 10.1186/s43046-022-00155-y
Mohamed Atef ElKordy, Rady Mansour Soliman, Mahitab Ibrahim ElTohamy, Dalia Negm Eldin Mohamed, Ahmed Morsi Mustafa
{"title":"Predictors of peritoneal metastasis of gastric origin.","authors":"Mohamed Atef ElKordy,&nbsp;Rady Mansour Soliman,&nbsp;Mahitab Ibrahim ElTohamy,&nbsp;Dalia Negm Eldin Mohamed,&nbsp;Ahmed Morsi Mustafa","doi":"10.1186/s43046-022-00155-y","DOIUrl":"https://doi.org/10.1186/s43046-022-00155-y","url":null,"abstract":"<p><strong>Background: </strong>Gastric adenocarcinoma is one of the most aggressive forms of cancer. Despite marked advancements in radiological techniques, peritoneal deposits are still only discovered during laparotomies in a significant number of cases. The role of surgery in the management of metastatic gastric cancer is very limited, reducing the value of conducting laparotomies. In addition, conducting laparoscopies for the purposes of properly staging every case of gastric cancer is difficult, especially in healthcare systems with limited resources. It is thus crucial to investigate all possible predictors of peritoneal metastasis of gastric cancer, with the aim of reserving the use of laparoscopies to cases known to have high incidences of peritoneal metastasis despite negative radiological results.</p><p><strong>Patients and methods: </strong>This is a case control study that included all cases of gastric adenocarcinoma that had presented to the National Cancer Institute-Cairo University between January 2018 and December 2019. The 'cases' group encompassed all gastric adenocarcinoma patients who were found to have peritoneal metastasis, whilst the 'control' group included those patients who were apparently metastasis-free. Comparisons were made between the two groups in terms of demographics, tumor characteristics, and results of laboratory tumor marker investigations.</p><p><strong>Results: </strong>Patients with peritoneal metastasis were statistically significantly younger than those who had no apparent metastasis (mean ± SD 51.4 ± 12.5 and 56.2 ± 12.6 respectively; P = 0.020). Significant associations were found between a finding of peritoneal metastasis and (i) a middle tumor site (P = 0.002); (ii) tumor thickening morphology (P < 0.001); (iii) undifferentiated histopathology (P = 0.040); (iv) tumor grade III (P < 0.001); (v) lower lymphocyte counts of < 1.9/ml (P = 0.030); and (vi) high levels of CA 19-9 of > 37 units/ml (P = 0.032).</p><p><strong>Conclusion: </strong>Tumor pathological criteria, including tumor site, degree of differentiation, shape, and grading, as well as laboratory findings of low lymphocytic counts and high levels of CA 19-9 appear to be reliable predictors of the presence of peritoneal metastasis from a gastric adenocarcinoma.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"34 1","pages":"53"},"PeriodicalIF":1.8,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10374431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Six potential biomarkers for bladder cancer: key proteins in cell-cycle division and apoptosis pathways. 膀胱癌的六个潜在生物标志物:细胞周期分裂和凋亡途径的关键蛋白。
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2022-12-19 DOI: 10.1186/s43046-022-00153-0
Güldal Inal Gültekin, Özlem Timirci Kahraman, Murat Işbilen, Saliha Durmuş, Tunahan Çakir, İlhan Yaylim, Turgay Isbir
{"title":"Six potential biomarkers for bladder cancer: key proteins in cell-cycle division and apoptosis pathways.","authors":"Güldal Inal Gültekin,&nbsp;Özlem Timirci Kahraman,&nbsp;Murat Işbilen,&nbsp;Saliha Durmuş,&nbsp;Tunahan Çakir,&nbsp;İlhan Yaylim,&nbsp;Turgay Isbir","doi":"10.1186/s43046-022-00153-0","DOIUrl":"https://doi.org/10.1186/s43046-022-00153-0","url":null,"abstract":"<p><strong>Background: </strong>The bladder cancer (BC) pathology is caused by both exogenous environmental and endogenous molecular factors. Several genes have been implicated, but the molecular pathogenesis of BC and its subtypes remains debatable. The bioinformatic analysis evaluates high numbers of proteins in a single study, increasing the opportunity to identify possible biomarkers for disorders.</p><p><strong>Methods: </strong>The aim of this study is to identify biomarkers for the identification of BC using several bioinformatic analytical tools and methods. BC and normal samples were compared for each probeset with T test in GSE13507 and GSE37817 datasets, and statistical probesets were verified with GSE52519 and E-MTAB-1940 datasets. Differential gene expression, hierarchical clustering, gene ontology enrichment analysis, and heuristic online phenotype prediction algorithm methods were utilized. Statistically significant proteins were assessed in the Human Protein Atlas database. GSE13507 (6271 probesets) and GSE37817 (3267 probesets) data were significant after the extraction of probesets without gene annotation information. Common probesets in both datasets (2888) were further narrowed by analyzing the first 100 upregulated and downregulated probesets in BC samples.</p><p><strong>Results: </strong>Among the total 400 probesets, 68 were significant for both datasets with similar fold-change values (Pearson r: 0.995). Protein-protein interaction networks demonstrated strong interactions between CCNB1, BUB1B, and AURKB. The HPA database revealed similar protein expression levels for CKAP2L, AURKB, APIP, and LGALS3 both for BC and control samples.</p><p><strong>Conclusion: </strong>This study disclosed six candidate biomarkers for the early diagnosis of BC. It is suggested that these candidate proteins be investigated in a wet lab to identify their functions in BC pathology and possible treatment approaches.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"34 1","pages":"54"},"PeriodicalIF":1.8,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9760318/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10403897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Genomic landscape of mature B-cell non-Hodgkin lymphomas - an appraisal from lymphomagenesis to drug resistance. 成熟b细胞非霍奇金淋巴瘤的基因组图谱——从淋巴瘤形成到耐药性的评估。
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2022-12-12 DOI: 10.1186/s43046-022-00154-z
Devasis Panda, Nupur Das, Deepshi Thakral, Ritu Gupta
{"title":"Genomic landscape of mature B-cell non-Hodgkin lymphomas - an appraisal from lymphomagenesis to drug resistance.","authors":"Devasis Panda,&nbsp;Nupur Das,&nbsp;Deepshi Thakral,&nbsp;Ritu Gupta","doi":"10.1186/s43046-022-00154-z","DOIUrl":"https://doi.org/10.1186/s43046-022-00154-z","url":null,"abstract":"<p><strong>Background: </strong>Mature B-cell non-Hodgkin lymphomas are one of the most common hematological malignancies with a divergent clinical presentation, phenotype, and course of disease regulated by underlying genetic mechanism.</p><p><strong>Main body: </strong>Genetic and molecular alterations are not only critical for lymphomagenesis but also largely responsible for differing therapeutic response in these neoplasms. In recent years, advanced molecular tools have provided a deeper understanding regarding these oncogenic drives for predicting progression as well as refractory behavior in these diseases. The prognostic models based on gene expression profiling have also been proved effective in various clinical scenarios. However, considerable overlap does exist between the genotypes of individual lymphomas and at the same time where additional molecular lesions may be associated with each entity apart from the key genetic event. Therefore, genomics is one of the cornerstones in the multimodality approach essential for classification and risk stratification of B-cell non-Hodgkin lymphomas.</p><p><strong>Conclusion: </strong>We hereby in this review discuss the wide range of genetic aberrancies associated with tumorigenesis, immune escape, and chemoresistance in major B-cell non-Hodgkin lymphomas.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"34 1","pages":"52"},"PeriodicalIF":1.8,"publicationDate":"2022-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10356294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of mammosphere formation from stem-like cells of normal breast, malignant primary breast tumors, and MCF-7 cell line. 正常乳腺、恶性原发乳腺肿瘤和MCF-7细胞系干细胞样细胞形成乳腺球的比较
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2022-12-12 DOI: 10.1186/s43046-022-00152-1
Jenifer Mallavarpu Ambrose, Vishnu Priya Veeraraghavan, Rosy Vennila, Secunda Rupert, Jeswanth Sathyanesan, Rajasundari Meenakshisundaram, Sakthivel Selvaraj, Sarubala Malayaperumal, Malathi Kullappan, Sudarsanam Dorairaj, Jayesh R Gujarathi, Sri Harshini Gandhamaneni, Krishna Mohan Surapaneni
{"title":"Comparison of mammosphere formation from stem-like cells of normal breast, malignant primary breast tumors, and MCF-7 cell line.","authors":"Jenifer Mallavarpu Ambrose,&nbsp;Vishnu Priya Veeraraghavan,&nbsp;Rosy Vennila,&nbsp;Secunda Rupert,&nbsp;Jeswanth Sathyanesan,&nbsp;Rajasundari Meenakshisundaram,&nbsp;Sakthivel Selvaraj,&nbsp;Sarubala Malayaperumal,&nbsp;Malathi Kullappan,&nbsp;Sudarsanam Dorairaj,&nbsp;Jayesh R Gujarathi,&nbsp;Sri Harshini Gandhamaneni,&nbsp;Krishna Mohan Surapaneni","doi":"10.1186/s43046-022-00152-1","DOIUrl":"https://doi.org/10.1186/s43046-022-00152-1","url":null,"abstract":"<p><strong>Background: </strong>Mammosphere formation assay has become a versatile tool to quantify the activity of putative breast cancer stem cells in non-adherent in vitro cultures. However, optimizing the suspension culture system is crucial to establish mammosphere cultures from primary breast tumors.</p><p><strong>Methods: </strong>This study aimed at determining the self-renewal and sphere-forming potential of breast cancer stem-like cells derived from human primary invasive ductal carcinoma and normal breast tissue samples, and MCF-7 breast cancer cell line using an optimal suspension culture system. Mammosphere-forming efficiency of the mammospheres generated from the tissue samples and cell line were compared. We evaluated the expression of CD44<sup>+</sup>/CD24<sup>-</sup>/<sup>low</sup> and CD49f<sup>+</sup>/EpCAM<sup>-</sup>/<sup>low</sup> phenotypes in the stem-like cells by flow cytometry. CK-18, CK-19, α-SMA, and EpCAM marker expression was assessed using immunohistochemical staining.</p><p><strong>Results: </strong>Breast epithelial cells isolated from the three samples formed two-dimensional spheroids in suspension cultures. Interestingly, mammospheres formed from patient-derived primary breast tumors were enriched in breast cancer stem-like cells with the phenotype CD44<sup>+</sup>/CD24<sup>-</sup>/<sup>low</sup> and exhibited a relatively more number of large spheres when compared to the normal breast stem cells. MCF-7-derived SCs were more aggressive and resulted in the formation of a significantly higher number of spheroids. The expression of CK-18/CK-19 and α-SMA/EpCAM proteins was confirmed in breast cancer tissues.</p><p><strong>Conclusions: </strong>Thus, the use of primary tumor specimens and breast cancer cell lines as suitable models for elucidating the breast cancer stem cell activity was validated using mammosphere culture system.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"34 1","pages":"51"},"PeriodicalIF":1.8,"publicationDate":"2022-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10705998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
MUTYH and KLF6 gene expression fluctuations in tumor tissue and tumor margins tissues of colorectal cancer. MUTYH和KLF6基因在结直肠癌肿瘤组织和肿瘤边缘组织中的表达波动。
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2022-12-05 DOI: 10.1186/s43046-022-00158-9
Hoora Naebi, Ahmadreza Bandegi, Fereshteh Talebinasab, Pirouz Samidoust, Seyedeh Elham Norollahi, Sogand Vahidi, Ali Akbar Samadani
{"title":"MUTYH and KLF6 gene expression fluctuations in tumor tissue and tumor margins tissues of colorectal cancer.","authors":"Hoora Naebi,&nbsp;Ahmadreza Bandegi,&nbsp;Fereshteh Talebinasab,&nbsp;Pirouz Samidoust,&nbsp;Seyedeh Elham Norollahi,&nbsp;Sogand Vahidi,&nbsp;Ali Akbar Samadani","doi":"10.1186/s43046-022-00158-9","DOIUrl":"https://doi.org/10.1186/s43046-022-00158-9","url":null,"abstract":"<p><strong>Background: </strong>Colorectal cancer (CRC) is one of the most important cancers in the world, and its prevalence varies depending on the geographical area. Genetically, tumor regeneration in CRC as a multi-step process involves activating mutations in protocogenes and losing the function of tumor suppressor genes as well as DNA repair and recovery genes. Occur in this way, our goal was to investigate the expression of KLF6 genes as a tumor suppressor and MUTYH involved in the DNA repair process in colorectal cancer.</p><p><strong>Methods: </strong>This research was conducted during the years 2019-2018 in Razi Hospital, Rasht. The subjects included 30 tumoral and 30 non-tumoral tissues of colorectal cancer and 20 healthy controls. The real-time PCR method was used to investigate the gene expression. For data analysis by SPSS, parametric statistical tests ANOVA and T test and regression analysis were used and p value values less than 0.05 were considered significant.</p><p><strong>Results: </strong>The expression of KLF6 gene in tumoral tissues showed a significant decrease compared to non-tumoral tissues (P = 0.04). Also, the expression of MUTYH gene in tumor tissue showed a significant decrease compared to non-tumoral (P = 0.02) and this decrease in MUTYH gene expression had a significant relationship with increasing tumor stage (P = 0.01).</p><p><strong>Conclusion: </strong>These findings suggest that decreased expression of KLF6 and MUTYH genes in the study population has a significant relationship with colorectal cancer and can be considered as tumor marker in diagnostic purpose.</p>","PeriodicalId":17301,"journal":{"name":"Journal of the Egyptian National Cancer Institute","volume":"34 1","pages":"57"},"PeriodicalIF":1.8,"publicationDate":"2022-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10398736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
St. Jude Total Therapy studies from I to XVII for childhood acute lymphoblastic leukemia: a brief review St. Jude全疗法治疗儿童急性淋巴细胞白血病的研究从I到XVII:简要回顾
IF 1.8
Journal of the Egyptian National Cancer Institute Pub Date : 2022-06-13 DOI: 10.1186/s43046-022-00126-3
Abdallah A Omar, L. Basiouny, Ahmed S. Elnoby, A. Zaki, Mohamed Abouzid
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引用次数: 4
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