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Deciphering resistancemechanisms and novel strategies to overcome drug resistance in ovarian cancer:a comprehensive review

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Oncology Research 2024年第5期32卷 831-847页

作者： EFFAT ALEMZADEH LEILA ALLAHQOLI AFROOZ MAZIDIMORADI ESMAT ALEMZADEH fahimeh ghasemi HAMID SALEHINIYA IBRAHIM ALKATOUT Infectious Diseases Research Center Birjand University of Medical SciencesBirjandIran Department of Midwifery Ministry of Health and Medical EducationTehranIran Student Research Committee Shiraz University of Medical SciencesShirazIran Department of Biotechnology Faculty of MedicineBirjand University of Medical SciencesBirjandIran Cellular and Molecular Research Center Birjand University of Medical SciencesBirjandIran Social Determinants of Health Research Center Birjand University of Medical SciencesBirjandIran Kiel School of Gynaecological Endoscopy Campus KielUniversity Hospitals Schleswig-HolsteinKielGermany

Ovarian cancer is among the most lethal gynecological cancers,primarily due to the lack of specific symptoms leading to an advanced-stage diagnosis and resistance to *** resistance(DR)poses the most significant challenge in treating patients with existing *** Food and Drug Administration(FDA)has recently approved three new therapeutic drugs,including two poly(ADP-ribose)polymerase(PARP)inhibitors(olaparib and niraparib)and one vascular endothelial growth factor(VEGF)inhibitor(bevacizumab)for maintenance ***,resistance to these new drugs has ***,understanding the mechanisms of DR and exploring new approaches to overcome them is crucial for effective *** this review,we summarize the major molecular mechanisms of DR and discuss novel strategies to combat DR.

关键词： Chemotherapy Drug resistance mechanisms Ovarian cancer PARP inhibitors VEGF inhibitor

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Effect of Melatonin on Proliferative Activity and Apoptosis in Spermatogenic Cells in Mouse under Chemotherapy

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Journal of Reproduction and Contraception 2010年第2期21卷 79-94页

作者： fahimeh Mohamad ghasemi Masoumeh Faghani Sina Khajehjahromi Mohamadhadi Bahadori Ebrahim Nasiri E Masoud Hemadi Cellular and Molecular Research Center Faculty of MedicineGuilan University of Medical Sciences(Iran) Histotechnique Laboratory Histology DivisionAnatomical Sciences DepartmentFaculty of MedicineGuilan University of Medical Sciences(Iran) Student Research Committee Guilan University of Medical Sciences(Iran) Anatomy Department Faculty of MedicineJoundishapur University(Iran)

Objective To investigate the possible protective role of melatonin on the proliferative activity, and apoptosis of germ cells in chemotherapy-induced spermiotoxicity. Methods Male adult NMRI mice were divided into four groups. Then each group was divided into two subgroups of a and b. Group A （control）： mice received vehicle （1% ethanol）for 5 d. Group B （busulfan）： mice received a single dose of 20 mg/kg busulfan. Group C （melatonin）： mice received melatonin （10 mg/kg） for 5 d. Group D （busulfan＋melatonin）： mice received a 5-day course of melatonin （10 mg/kg） following an initial dose of busulfan （20 mg/kg）. Evaluations were made using bromodeoxyuridine （BrdU） labeling and in situ TUNEL assay after 5 d （subgroup a） or 35 d （subgroup b）. Results Busulfan-treated mice both in subgroups a and b, showed a significant increase in the number of apoptotic cells （P〈0.01） and decrease in BrdU labeling index （P〈0.01） compared with controls. Melatonin in group C significantly decreased BrdU labeling index compared with the control （P〈0.01）. Melatonin in group D significantly reduced apoptosis rate and increased BrdU labeling index compared with group B. Conclusion Melatonin may have a protective effect against busulfan-induced testicular damage, partly by decreasing of apoptosis and alteration in proliferative activity of germ cells.

关键词： melatonin busulfan testis apoptosis proliferative activity sperm parameters

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Relevance of Hepatocyte Growth Factor and Fibroblast Growth Factor on Mouse Preimplantation Embryo Development

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Journal of Reproduction and Contraception 2009年第4期20卷 195-204页

作者： Mohammad Hadi Bahadori Mahnaz Azarnia Fatemeh ghasemian fahimeh ghasemi Shervin Ghadarjani Narges Khojasteh Masumeh Ahmadi Jalali Moghaddam Department of Anatomy Faculty of medicineGuilan University of medical sciences Department of Biology Faculty of scienceKharazmi (Tarbiat moallem) university Medical intern Faculty of medicineGuilan University of medical sciences Cellular and molecular research center Faculty of medicineGuilan University of medical sciences

Objective To explore the effect of hepatocyte growth factor （HGF） and fibroblast growth factor （FGF） on preimplantation embryo development of mouse.Methods Mated mice were killed by cervical dislocation to collect two pronucleous （2 PN） zygotes from oviduct of pregnant 1 d NMRI mice and were cultured to the hatching blastocyst stage and the number of embryo in different stages was recorded under an invert microscope. The cleavage rates of formed 2 PN zygotes were compared with blastocyst and hatching blastocyst stage in drops of T6 medium with or without HGF or FGF （0 ng/ml, 10 ng/ml, 20 ng/ml, 50 ng/ml, 1 000 ng/ml）. Results HGF and FGF enriched embryo culture media promotea the aevetopment from 2 PN stage embryos to blastocyst. Adding 20 ng/ml of FGF or HGF to the culture medium significantly increased the percentage of 2PN embryos that developed into blastocysts （P〈0.05）, but culture of embryos in drops of T6 medium with HGF （20 ng/ml） had no improvement in in-vitro hatching.Conclusion Exogenous HGF and FGF at low concentrations promote in-vitro mouse blastocyst formation.

关键词： fibroblast growth factor (FGF) hepatocyte growth factor (HGF) preimplantation development cleavage blastocyst

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