Search published articles


Showing 9 results for Baharara

Nazanin Vasei, Javad Baharara, Saeedeh Zafar Balanezhad, Elahe Amini,
Volume 2, Issue 3 (12-2015)
Abstract

Electromagnetic field is a stress factor which can interfere with the functions of body organs. This study aims to evaluate the protective impact of the aqua extract of Persian Gulf sea cucumber on damages induced by low frequency electromagnetic field in male gonads of Balb/C mice. Mice were divided into control, sham-exposed and 5 experimental groups. The experimental groups were then exposed to electromagnetic field (for 10 days and 4 hours per day). Experimental groups 2-5 also received extract of sea cucumber (6h before electromagnetic field). The samples were fixed for histological studies and stained by H & E method. The measurement of the diameter and number of seminiferous tubules, testis diameter, testis and epididymis weight, tunica albuginea thickness, the number of spermatogenic cells including spermatogonia, spermatocytes, spermatids, Sertoli cells and Leydig cells was then executed. The results showed that the impact of electromagnetic field exposure was not significant on epididymis weight, seminiferous tubules diameter and tunica albuginea thickness, while its impact on the reduction of the testis diameter and weight, the number of seminiferous tubules and spermatogenic cells was significant in experimental group 1. In addition, the experimental groups pre-treated with sea cucumber extract indicated significant increment, as compared with experimental group 1.The results proved the destructive effect of electromagnetic field on testis tissue parameters, while sea cucumber extract prevents damages induced by electromagnetic field on male sexual glands of mice. 


Nastaran Sohrabifa, Javad Baharara, Naser Mahdavi Shahri, Saeedeh Zafar Balanejad, Elahe Amini,
Volume 3, Issue 1 (6-2016)
Abstract

Since administration of androgens has been considered appreciable in hair follicle growth and wound healing, therefore the main objective in this study is evaluation the effect of sheep testis extract on improvement and growth of hair follicle and regeneration of injured Wistar rat skin. In this experimental study, rats were randomly divided into 7 groups, control (negative control), sham (treatment with physiologic serum), experimental group 1 (treatment with 100% sheep testis extract), experimental group 2 (treatment with 75% extract), experimental group 3 (treatment with 50% extract), positive control 1 (treatment with honey) for evaluation of wound healing and positive control 2 (treatment with Minoxidil) for evaluation of hair follicle growth. Then, rats were killed after and removed approximate wound skin, fixed in 10% formalin, kept in paraffin block. In addition, it was prepared serial section with 6 µm thickness and performed hematoxylin eosin staining. Then, epidermal thickness, the number of fibroblast, basal cells, inflammatory cells, vessel bud and hair follicle were assessed. Statistical analysis was performed by one way ANOVA, Tukey test at p ˃0.05. The results showed that wound healing process, hair follicle formation, the re-epithelialization, angiogenesis, the number of basal cell, fibroblasts, and the number of follicles was significantly improved in the experimental group 1, 2, rather than control group (p ˃0.05).  Results of this study demonstrated that the sheep testis extract induced improvement in regeneration process, wound healing and hair follicle growth in rats which can be suggested as an appreciable candidate due to rich source of androgen and growth factors in clinical wound healing studies.


Sakineh Kaboli Kafshgiri , Kazem Parivar, Javad Baharara, Nasim Hayati Roodbari, Mohammad Amin Kerachian,
Volume 3, Issue 4 (3-2017)
Abstract

Chemical pesticides possess toxic and destructive impacts on the reproductive system and disrupt endocrine function. In this experimental study, the effect of movento, as a chemical pesticide, was investigated in comparison with chitosan, a biological pesticide, on the female reproductive system in vivo. In this study, 56 mice were randomly dived into 7 groups including control and experimental groups treated with movento and chitosan. After a 21-day treatment, mice were killed and their ovaries and blood being collected. In addition, the samples were fixed and stained with H & E method. The results exhibited that treatment with 2.5 and 5 mg/kg chitosan had no significant effect on the number and diameter of primary, secondary and antral follicles, while these items were significantly reduced in 10 mg/kg ch-itosan group and all movento-treated groups as well. In addition, the level of sexual hormones, such as estradiol, FSH and LH, was decreased in 10 mg/kg chitosan group and all movento-treated groups in comparison with the control gr-oup. The findings showed that movento affected the sexual hormone levels, ovary and ovarian follicle structure and in-duced abnormality in female reproductive system, while chitosan, as a biological pesticide, should be used due to its minimum effects on female reproductive system


Sajjad Farrokyar, Javad Baharara, Tayyebe Ramzani,
Volume 5, Issue 3 (12-2018)
Abstract

Nowadays natural compounds are increasingly used in various fields since they cause fewer adverse side effects than their chemical counterparts. In addition, preparation and production of natural compounds are comparatively simple. The present study aimed to evaluate the anti-cancer effects of brittle star methanol extract on MCF-7 cells. Anti-cancer effects of brittle star methanol extract were examined on the MCF-7 cell line. Moreover, the toxicity of this compound was assessed using cell apoptosis methods, ethidium bromide/acridine orange (EB/AO) staining and Annexin V Apoptosis Detection Kit. According to the MTT assay, the methanolic extract of brittle star could prevent proliferation in a time- and dose-dependent manner. The calculated inhibitory concentration that decreased the cell-viability by half (IC50) was estimated at 150 µg/ml. On the other hand, results of EB/AO staining were indicative of increased apoptotic cells in the treatment group. In addition, results of Annexin V/PI protocol demonstrated a significant enhancement in the percentage of late apoptotic cells (29.02%) in the treatment groups (150 µg/ml) and the percentage of necrotic cells were 2.77% for a period of 24 hours. According to the results, the methanolic extract of Persian Gulf brittle star induced apoptosis in the MCF-7 cell line. These effects could be attributed to the presence of certain active biological compounds, such as Saponins, Naphthoquinones and Carotenoids. Furthermore, our findings suggested that brittle star might have beneficial effects on cancer management. Therefore, this natural marine compound could be used as a complementary element in the prevention and treatment of cancer.
J-Avad Baharara, Tayebe Ramezani, Negar Saghiri, Farzane Salek,
Volume 6, Issue 2 (8-2019)
Abstract

In recent years using of silver nanoparticles due to its unique properties was increased. Medical plant, the Achillea biebersteinii is rich in anti-cancers compounds. The aim of this study was to investigate the cytotoxicity effects of AgNPs synthesized using Achillea biebersteinii extract on human ovarian cancer A2780 cells. Cytotoxic effects of AgNPs with MTT test was performed at 48 hours in concentration of 2, 4, 6, 8, 16 and 32 µg/ml. To study the cell death induced by AgNPs DAPI, acridine orange (AO)/ Propidium iodide (PI) staining and Annexin v/ Propidium iodide assay and activation of caspase 3 and 9 were assessed. Results: The results showed that the synthesized AgNPs decreased cell viability dose dependently, calculated inhibitory concentration of 50 % (IC50) was 4 µg/ml.  The results from AO / PI, DAPI staining, Annexin V / PI showed that in treated cells the percentage of apoptotic cells compared with control increased. In addition, the treated cells showed increased activation of caspase 3/9. Hence silver nanoparticles induced cell death through the caspase dependent pathway. The results suggest that AgNPs synthesized using Achillea biebersteinii   extract exert their cytotoxic effect by inducing apoptosis.


Ilnaz Abolhasani, Javad Baharara, Naser Mahdavi Shahri, Elaheh Amini,
Volume 7, Issue 1 (4-2020)
Abstract

In traditional medicine, extracts of polysaccharide-containing plants are widely employed for the treatment of cutaneus wounds. The brittle star, as one of marine organisms, encompasses bioactive compounds, which confer the healing potency of damaged arms. The aim of the present study is to investigate the effects of extracted polysaccharide from the Persian Gulf brittle star )Ophiocoma erinaceus( on male Wistar rat skin wound healing. In this experimental study, 60 male Wistar rats were divided randomly into 5 groups including control, positive control (treatment with honey), experimental 1 to 3 (treatment with 12.5, 25, 37.5 mg/kg body weight of extracted polysaccharide, respectively). In all groups, the wound was inflicted in the posterior part of the body of rats. Then, rats were treated locally. On the 3th, 7th, 10th and 14th days, samples were collected from the healing hole and histological changes were investigated by light microscopy. Then, quantitative data were analyzed by SPSS software, one-way ANOVA at the level of p<0.05. Microscopic results showed that, in treated wounds by 37.5 mg/kg of extracted polysaccharide, as well as positive control, the re-epithelialization, the angiogenesis and the attenuation of inflammatory cells were significantly improved in comparison with the control group. Maximum epithelium thickness (on the 7th day) and minimum inflammatory cells (on the 14th day) were observed in the experimental group 3 (treated with 37.5 mg/kg of extracted polysaccharide) and positive control, as compared with the control group (p≤0.05). The findings of this research indicated that the polysaccharide extracted from O. erinaceus accelerated the cutaneus wound healing in male rats, which can be used as a natural component in the development of natural source agents for the treatment of cutaneous wounds.

 
Azita Mehrbakhsh, Javad Baharara, Saeedeh Zafar Balanejad, Mohammad Amin Kerachian,
Volume 7, Issue 3 (11-2020)
Abstract

Electromagnetic waves (EMF) are a mixture of electrical and magnetic waves. The energy transmitted by these radiations is absorbed by living tissues. Electromagnetic fields seem to cause infertility in women. Cannabis is annual herbaceous plant grows in tropical areas. This study was conducted to investigate the protective effects of hydroalcoholic extract of Cannabis sativa in various doses of 50, 100 and 150 mg / kg on the damages induced by electromagnetic fields of 50 Hz and 50 Gauss, on the puberty of ovarian follicles and levels of FSH, LH, estradiol and progesterone hormones in NMRI immature mice. In this study, 48 NMRI immature female mice with an approximate age of 16 days and approximate weight of 18 grams were divided into 8 (experimental, sham, positive control and negative control) groups. After the treatment, the ovaries were extracted and weighed, and sections with H& E staining, the number of primordial, primary, secondary, and atretic follicles were counted, and the level of hormones have been done. The results showed that the concentration of 50 mg / kg of cannabis extract after the exposure to electromagnetic field of 50 Gauss could increase the number of follicles and reduce the number of atresia follicles. The group treated with the concentration of 50 mg / kg of cannabis extract after the exposure to electromagnetic field of 50 Gauss showed increased levels of FSH, LH and estradiol hormones (p <0.01) and a reduced level of progesterone (p <0.01). Therefore, the concentration of 50 mg / kg of cannabis extract have a protective role in preventing infertility due to ovarian tissue damages induced by electromagnetic fields.
 


Najme Nikdel, Javad Baharara, Saeed Zakerbostanabad, Maryam Tehranipour,
Volume 8, Issue 1 (6-2021)
Abstract

Exosomes are secreted by different types of cells and known as biological packages. Exosomes have significant role in intercellular communications and involved in the development and progression of various diseases such as cancer. Inhibin B and anti-mullerian hormone (AMH) are markers of granulosa cell tumors (GCT) and due to the role of exosomes in the progression of cancer, in this experimental study, the effect of exosomes derived from human ovarian cancer cells on the secretion of Inhibin B and antimullerian hormone (AMH) by granulosa cells was investigated. First, A2780 human ovarian cancer cells were cultured, then the supernatant was collected to extract the exosomes by ultracentrifugation and subsequently, the extracted exosomes were checked out using dynamic light scattering (DLS) and Scanning electron microscopy (SEM). In addition, granulosa cells were isolated and cultured from the ovaries immature female Balb / C mice and treated with 25 μg/ml of exosomes derived from the ovarian cancer cell-line. Inhibin B and AMH hormones levels were then measured. The results showed the significant (P<0/05) increase of the level of inhibin B and AMH hormones in the treated cells in comparison with the control group. According to the results, exosomes increased the secretion of Inhibin B and AMH hormones and seems to be effective in the proliferation of granulosa cell tumors.
 
 
Mojtaba Cheravi, Javad Baharara, Parichehreh Yaghmaei, Nasim Hayati Roudbari,
Volume 8, Issue 4 (1-2022)
Abstract

Nowadays, researchers have made extensive efforts to find new treatments for nerve damage. Meanwhile, the role of exosomes in cell-cell communication is considered to be a new mechanism. Exosomes can act as suitable differentiating agents. The aim of this study was to investigate the differentiating effect of cerebrospinal fluid-derived exosomes on adipose mesenchymal stem cells in alginate hydrogel. Exosomes were extracted from the cerebrospinal fluid by ultracentrifugation and were then identified by atomic force microscopy (AFM), SEM and DLS technique. In addition, Adipose Mesenchymal Stem cells in alginate hydrogel were treated with different concentrations of exosomes. Cell survival was assessed by MTT and Acridine Orange/Ethidium Bromide methods. Cell differentiation was processed by immunocytochemistry and Real-Time PCR. Examinations confirmed the presence of exosomes with an approximate size of 70 nm. Cell survival results indicate that he ability of cells to survive and proliferate during 14 days. Also, the expression of MAP2 proteins (microtubule-associated protein 2) and Nestin (intermediate filament protein) was confirmed by immunocytochemistry. The results of Real Time - PCR showed that during the seventh and fourteenth days the expression level of MAP2 gene increased and the expression of Nestin gene showed a significant decrease compared to the control group. This study showed that exosomes extracted from cerebrospinal fluid can cause neuronal differentiation of Adipose mesenchymal stem cells in alginate hydrogel scaffolds.
 



Page 1 from 1     

Creative Commons Licence
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.



© 2022 CC BY-NC 4.0 | Nova Biologica Reperta

Designed & Developed by : Yektaweb