نتایج جستجو برای: cancer cell

تعداد نتایج: 2332371  

Journal: :gastroenterology and hepatology from bed to bench 0
florence folmer marcel jaspars mario dicato marc diederich

programmed cell death, which can be classified into apoptosis, autophagy, and oncosis, based on the cellular signalling pathways involved in the process, plays a critical role in cellular house-keeping. aberrant cell death regulation leads to body malformations, as well as to numerous diseases. here, we describe the effects of cytototoxins isolated from marine organisms on the various programme...

Journal: :journal of paramedical sciences 0
mohammad rahmati roodsar skin research center, loghman hakim hospital, shahid beheshti university of medical sciences, tehran hakimeh zali proteomics research center, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran

skin cancer has a broad and burdensome impact on the health and well-being of iranian and account for substantial health care costs to the nation. the first most common form of skin cancer is basal cell carcinoma (bcc); followed by the squamous cell carcinoma (scc) and the incidence of malignant melanoma (mm) is lower but is fatal. kaposi sarcoma (ks) is a tumor caused by human herpes virus 8. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم 1393

oct4 یکی از ژنهای مهم و کلیدی در سلولهای بنیادی است و کد کننده یک فاکتور رونویسی است که نقش کنترل بیان ژنهای مرتبط با بنیادی بودن (stemness) را به عهده دارد. با فرایند پیرایش افتراقیalternative splicing) ) حداقل سه واریانت مختلف با عملکرد متفاوت از این ژن سنتز میگردد. عمده ترین نقش این ژن کنترل پرتوانی (pluripotency) و خود باز آفرینی (self-renewal) در سلولهای بنیادی است، بطوریکه بیان این ژن نشا...

Journal: :acta medica iranica 0
maryam hassan esfehani department of surgical oncology, cancer institute, imam khomeini hospital complex, tehran university of medical sciences, tehran, iran. habibollah mahmoodzadeh department of surgical oncology, cancer institute, imam khomeini hospital complex, tehran university of medical sciences, tehran, iran. abbas alibakhshi department of surgical oncology, cancer institute, imam khomeini hospital complex, tehran university of medical sciences, tehran, iran. farinaz safavi department of surgical oncology, cancer institute, imam khomeini hospital complex, tehran university of medical sciences, tehran, iran.

malignant tumors of pancreas are usually primary neoplasms and pancreatic metastases are rare findings. we are reporting a case of squamous cell carcinoma (scc) of the esophagus with pancreatic metastasis. a 59-year old woman was admitted with chief complaint of abdominal pain and mass. she was a known case of esophageal scc since 4 years before when she had undergone transthoracic esophagectom...

Journal: :modares journal of medical sciences: pathobiology 2008
parvaneh nikpour seyed mehdi jafarnejad mahdi forouzandeh seyed javad mowla

objective: nucleostemin (ns) is a recently identified gene that is expressed mainly in the nucleoli of neuronal, embryonic and mesenchymal stem cells which plays a role in their self renewal. over expression of this gene has been reported in several cancer cell lines tumoral tissues including gastric, hepatic and prostate cancer. in this study, we investigated the effects of suppression of this...

Journal: :iranian journal of immunology 0
samaneh arab department of immunology, school of medicine, tehran university of medical sciences, tehran, iran masoumeh motamedi department of immunology, school of medicine, tehran university of medical sciences, tehran, iran nematollah khansari department of immunology, school of medicine, tehran university of medical sciences, tehran, iran seied mohammad moazzeni department of immunology, tarbiat modarres university, tehran, iran zahra gheflati department of immunology, school of medicine, tehran university of medical sciences, tehran, iran jamshid hadjati department of immunology, school of medicine, tehran university of medical sciences, tehran, iran

background: bacterial dna has immunostimulatory effects on different types of immune cells such as dendritic cells (dcs). application of dcs as a cellular adjuvant represents a promising approach in the immunotherapy of infectious disease and cancers. objectives: to investigate the effect of tumor antigen pulsed dcs in the presence of cpg-1826 in treatment of a murine model of cancer. methods: ...

Journal: :international journal of pediatrics 0
masoud hashemi arabi international branch of shahid beheshti university of medical sciences, tehran, iran. siamak salami cellular signaling and molecular basis of disease research lab, department of clinical biochemistry, faculty of medicine, shahid beheshti university of medical sciences, tehran, iran.

background cancer stem cells play crucial roles in resistance to therapeutic schemes and relapse of disease, so it is important to find targeted therapies that kill them selectively. breast cancer is the most common cancer in females living in all part of the world including iran and it has an important burden in public health with direct impact on patients’ families. breast cancer in young adu...

Journal: :research in molecular medicine 0
mohammad ali farziyan sari agricultural sciences and natural resources university, sari, mazandaran fatemeh moradian sari agricultural sciences and natural resources university, sari, mazandaran ali reza rafiei molecular and cell biology research center, faculty of medicine, mazandaran university of medical sciences, sari, mazandaran

background: lactoferrin (lf) is a glycoprotein, a member of the transferrin family.from ten known mechanisms of anti-cancer chemoperotecive compounds, lf alone, has six of these functions and inhibits cancer. in this study, the effect of lactoferrin purified from bovine colostrum was studied as an anti-cancer agent on esophageal cancer cell line. materials and methods: bovine colostrum were col...

Journal: :iranian journal of basic medical sciences 0
naghmeh ahmadiankia shahroud university of medical sciences, shahroud, iran hamid kalalian moghaddam shahroud university of medical sciences, shahroud, iran mohammad amir mishan department of biology, ferdowsi university of mashhad, mashhad, iran ahmad reza bahrami department of biology, ferdowsi university of mashhad, mashhad, iran cell and molecular biotechnology research group, institute of biotechnology, ferdowsi university of mashhad, mashhad, iran hojjat naderi-meshkin stem cell and regenerative medicine research group, iranian academic center for education, culture and research (acecr), mashhad branch, mashhad, iran

objective(s): berberine is one of the main alkaloids and it has been proven to have different pharmacological effects including inhibition of cell cycle and progression of apoptosis in various cancerous cells; however, its effects on cancer metastasis are not well known. cancer cells obtain the ability to change their chemokine system and convert into metastatic cells. in this study, we examine...

Journal: :acta medica iranica 0
laleh vahedi larijani department of pathology, faculty of medicine, mazandaran university of medical sciences, sari, iran. maryam ghasemi department of pathology, faculty of medicine, mazandaran university of medical sciences, sari, iran. saeid abediankenari department of immunology, faculty of medicine, mazandaran university of medical sciences, sari, iran. farshad naghshvar department of pathology, faculty of medicine, mazandaran university of medical sciences, sari, iran.

most patients with gastrointestinal cancers refer to the health centers at advanced stages of the disease and conventional treatments are not significantly effective for these patients. therefore, using modern therapeutic approaches with lower toxicity bring higher chance for successful treatment and reduced adverse effects in such patients. the aim of this study is to evaluate the effect of av...

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