Zahra Tayarani Najjaran

[ 1 ] - Effects of Biebersteinia multifida hydro-ethanol extract on proliferation and apoptosis of human prostate cancer and human embryonic kidney cells

Objective: Biebersteinia (Geraniaceae) has a history of use in traditional medicine in some countries including Iran. In the present study, cytotoxic and apoptogenic properties of hydro-ethanol extract of B. multifidi was investigated on human prostate cancer cell lines (PC3 and DU 145) and human embryonic kidney 293 (HEK293) cells. Materials and Methods: Cells were cultured in RPMI-1640 medium...

[ 2 ] - Comparative analysis of the cytotoxic effect of 7-prenyloxycoumarin compounds and herniarin on MCF-7 cell line

Objectives: 7-prenyloxycoumarins are a group of secondary metabolites that are found mainly in plants belonging to the Rutaceae and Umbelliferae families. This study was designed to evaluate and compare the cytotoxic and apoptotic activity of 7-prenyloxycoumarin compounds and herniarin on MCF-7, a breast carcinoma cell line. Materials and Methods: Cells were cultured in RPMI medium and incubate...

[ 3 ] - Growth inhibition and apoptosis induction of Scutellaria luteo-coerulea Bornm. & Sint. on leukemia cancer cell lines K562 and HL-60

Objective: Scutellaria (Lamiaceae) has been implicated for medicinal purposes both in modern and traditional medicine. Some species of the genus Scutellaria has extensively been studied for anticancer activity. Scutellaria luteo-coerulea (S. luteo-coerulea) is one of the Iranian species of the genus Scutellaria. Materials and Methods: In the present study, cytotoxic and apoptogenic properties o...

[ 4 ] - In vitro assessment of alendronate toxic and apoptotic effects on human dental pulp stem cells

Objective(s): Osteonecrosis of the jaw, as an exposed necrotic bone in the oral cavity, is one of the adverse effects of bisphosphonates, which have an affinity for bone minerals. This study investigates the cytotoxic effects of alendronate (ALN) as a nitrogen-containing bisphosphonate, on human dental pulp stem cells (hDPSCs). Materials and Methods: The mesenchymal stem cells (MSCs), obtained ...

[ 5 ] - Evaluation of Antioxidant and Anti-Melanogenic Activity of Different Extracts of Aerial Parts of N. Sintenisii in Murine Melanoma B16F10 Cells

Nepeta (Lamiaceae) is an important genus with beneficial medicinal properties. N. sintenisiiBornm. has been used in folk medicine of Iran to cure various diseases. We investigated theanti-melanogenesis effects of n-hexane, MeOH, CH2Cl2, n-BuOH, EtOAc, and H2O extractsisolated from the plant in B16 melanoma cells. Various assays including cytotoxicity, mushroomtyrosinase inhibition, inhibition o...

[ 6 ] - Cytotoxic properties of three isolated coumarin-hemiterpene ether derivatives from Artemisia armeniaca Lam

Considering multiple reports on cytotoxic activity of the Artemisia genus and its phytochemicals, in the current study A. armeniaca Lam. and the three components isolated from the plant were subjected to cytotoxic studies. Analytical fractionation of A. armeniaca aerial parts for the first time was directed to the isolation of 7-hydroxy-8-(4-hydroxy-3-methylbutoxy) comarin (armenin), 8-hydroxy-...

[ 7 ] - Evaluation of Antioxidant and Anti-Melanogenic Activity of Different Extracts of Aerial Parts of N. Sintenisii in Murine Melanoma B16F10 Cells

Nepeta (Lamiaceae) is an important genus with beneficial medicinal properties. N. sintenisiiBornm. has been used in folk medicine of Iran to cure various diseases. We investigated theanti-melanogenesis effects of n-hexane, MeOH, CH2Cl2, n-BuOH, EtOAc, and H2O extractsisolated from the plant in B16 melanoma cells. Various assays including cytotoxicity, mushroomtyrosinase inhibition, inhibition o...

[ 8 ] - Cytotoxic properties of three isolated coumarin-hemiterpene ether derivatives from Artemisia armeniaca Lam

Considering multiple reports on cytotoxic activity of the Artemisia genus and its phytochemicals, in the current study A. armeniaca Lam. and the three components isolated from the plant were subjected to cytotoxic studies. Analytical fractionation of A. armeniaca aerial parts for the first time was directed to the isolation of 7-hydroxy-8-(4-hydroxy-3-methylbutoxy) comarin (armenin), 8-hydroxy-...

[ 9 ] - اثر مهاری کروسین بر ملانوژنز در سلول‌های رده ملانومای موشی B16F10

Introduction: Saffron has some applications such as anti-spasmodic and analgesic effects in traditional medicine. The aim of this study was to evaluate the anti melanogenesis and antioxidant properties of crocin (one of the saffron active components) on B16F10 mouse melanoma cell line. Methods: In this experimental study, B16F10 cells were prepared from Pasteur Institute (NCBI) and were grow...

[ 10 ] - Anti-melanogenic activity of different extracts from aerial parts of Nepeta glomeruloasin on murine melanoma B16F10 cells

Nepeta glomerulosa Boiss. is a medicinal plant has been used in traditional medicine. The aim of this study was to evaluate the anti-melanogenesis inhibitory activity of MeOH, n-hexane, ethyl Acetate (EtAc), dichloromethane (CH2Cl2), n-butanol (BuOH) and H2O extracts isolated from N. glomerulosa in B16 melanoma cell line. The B16F10 cell line viability after treatment with increasing concentrat...

[ 11 ] - The mechanism of neuroprotective effect of Viola odorata against serum/glucose deprivation-induced PC12 cell death

Objective: Oxidative stress is associated with the pathogenesis of brain ischemia and other neurodegenerative disorders. Previous researches have shown the antioxidant activity of Viola odorata L. In this project, we studied neuro-protective and reactive oxygen species (ROS) scavenging activities of methanol (MeOH) extract and other fractions isolated from <e...

[ 12 ] - Celecoxib, indomethacin and ibuprofen prevent 6-hydroxydopamine-induced PC12 cell death through the inhibition of NFκB and SAPK/JNK pathways

Objective(s): The possible action of nonsteroidal anti-inflammatory drugs (NSAIDs) in the reduction of reactive oxygen species (ROS) and also as anti-apoptotic agents may suggest them as putative agents for the treatment of neurodegenerative diseases. This study was designed to explore some pathways alterations induced by NSAIDs following 6-hydroxydopamine (6-OHDA)-ind...

[ 13 ] - Cytotoxic activity of thirteen endemic and rare plants from Chaharmahal and Bakhtiari Province in Iran

Chaharmahal and Bakhtiari province is a most important endemism states of flora of Iran with a considerable plant species diversity in the country. In the present study the cytotoxic activity of 13 plant species grown in Chaharmahal and Bakhtiari have been evaluated on prostate (PC-3), breast (MCF-7), liver (HepG2), ovary (CHO) and melanoma (B16-F10) cancer cell lines. The cytotoxicity and apop...

[ 14 ] - Cytotoxic activity of thirteen endemic and rare plants from Chaharmahal and Bakhtiari Province in Iran

Chaharmahal and Bakhtiari province is a most important endemism states of flora of Iran with a considerable plant species diversity in the country. In the present study the cytotoxic activity of 13 plant species grown in Chaharmahal and Bakhtiari have been evaluated on prostate (PC-3), breast (MCF-7), liver (HepG2), ovary (CHO) and melanoma (B16-F10) cancer cell lines. The cytotoxicity and apop...

[ 15 ] - تأثیر روش ساخت بر ریزساختار و خواص مکانیکی داربست های کامپوزیتی کلسیم فسفات/ ژلاتین- نشاسته

وقوع آسیب های استخوانی مانند شکستگی های بزرگ استخوان در اثر عوامل متعدّد غیرقابل انکار است. در این موارد به داربستی نیاز است تا به کمک آن، منطقه آسیب دیده ترمیم شود. هدف از این پژوهش، ساخت و بررسی خواص مکانیکی داربست های کلسیم فسفات/ ژلاتین- نشاسته است. بدین منظور پس از سنتز ذرّات کلسیم فسفات به روش سل ژل، از سه روش مختلف برای ساخت داربست کامپوزیتی کلسیم فسفات-ژلاتین استفاده شد. درنهایت روشی که د...

[ 16 ] - A Comparative Study of Neuroprotective Effects of Human Adipose and Dental Pulp Derived Stem Cells on Hypoxic SH-SY5Y Cells Exposed to CoCl2

Background and purpose: Recent studies have demonstrated the promising effects of mesenchymal stem cells (MSCs) in some neurodegenerative diseases and proved their neuroprotective effects. But, the detailed pathways and the ability of MSCs from various sources has not been fully investigated. Materials and methods: Here, we isolated MSCs from two sources; adipose tissue and dental pulp, and co...

[ 17 ] - Portulaca oleracea protects H9c2 cardiomyocytes against doxorubicin-induced toxicity via regulation of oxidative stress and apoptosis

Abstract Background and Objectives: Doxorubicin as an effective chemotherapeutic agent is frequently used in various cancers. Nowadays, the application of doxorubicin is limited due to its cardiotoxic effects. The important mechanism which is involved in the cardiac injury of doxorubicin is the generation of reactive oxygen species; therefore antioxidant compounds may reduce cardiotoxicity. ...