Background: Gliomas possess low immunogenicity, which is an inevitable hinder in front of cancer immunotherapy. Different interferons (IFNs) may proceed apoptosis instead in p53-dependent or independent pathways. P53 induces the anti-inflammatory programmed cell death in cancer cells; on the other hand, IFN gamma (IFNγ) is a modulatory/pro-inflammatory cytokine. There are contradictory reports of whether this cytokine can possess an anti- or pro-cancerous impact on tumors. Hence, we aimed to investigate the possible cooperative apoptotic effect of the P53 and IFNγ over expressions on the U87 glioblastoma cell line. Materials and Methods: The P53 expressing vector was amplified by Escherichia coli BL21. This vector was confirmed by the aid of sequencing. At the next step, U87 cells were transfected using lipofectamine. Cells were treated with P53 vector and/or IFNγ. The type of cellular death investigated by flow cytometry and the expression level of cleaved caspase-3 protein was also precisely demonstrated by western blotting. Results: Sequencing results revealed that inserted P53 was identical with human P53. Western blot results revealed that both IFNγ and P53 overexpression could up-regulate cleaved caspase-3 protein expression in this cell line. Interestingly, flow cytometry data determined that concurrent treatment with P53 exogenous overexpression and IFNγ induces about 70% apoptosis in U87; more than the sum of cell death occurs after IFNγ or P53 overexpression alone (~18%+21%=39%). Conclusion: The present study results showed that p53-overexpression and IFNγ could ultimately induce up-regulation of the caspase-3 and ultimately significant apoptosis increasing in the U87 cell line. Although IFNγ is believed to be a pro-inflammatory cytokine and P53 is an anti-inflammatory agent, our results demonstrated that they could act synergistically to induce apoptosis in U87 cells. [GMJ.2021;10:e2270]
Introduction: Idiopathic intracranial hypertension (IIH), also known as pseudotumor cerebri, is a rare neurological manifestation of coronavirus disease 2019 (COVID-19) infection. Case Presentation: In this case study, we present a 10-year-old girl with headache, diplopia, bilateral sixth nerve palsy, and papilledema following a history of seven days of fever about two weeks ago. In lumbar puncture, the opening pressure was 56 cmH2O. Cerebrospinal fluid analysis was normal. Brain magnetic resonance imaging (MRI) was suggestive of IIH. Nasopharyngeal reverse transcription-polymerase chain reaction (RT-PCR) was positive for COVID-19. Oral acetazolamide was prescribed, and the patient improved completely after three weeks of continuous medical treatment. Conclusions: Since IIH is a rare neurological complication of COVID-19, we have to suspect COVID-19 infection in any patient with IIH.
Objectives: Wound healing is a complex and dynamic process that begins immediately following tissue injury and continues until the wound is completely healed and remodeled. Applying the most effective burn repair techniques is a constant challenge in medicine. Antiulcerogenic and wound healing properties of Areca palm leaves have been validated through various investigations and animal studies. This study aimed to determine the potential for A. palm hydroalcoholic extract to heal burn wounds in rats. Materials and Methods: For 14 days, we examined 40 male Wistar albino rats in 5 groups: those receiving 1% silver sulfadiazine cream (reference standard), those receiving eucerin (positive control), and those receiving 5% and 10% ointments of Areca catechu hydroalcoholic extract (treatment groups). No treatment was given to the negative control group. On the dorsal part of the animals’ necks, burn wounds were made. After the rats were sacrificed, the wound contraction rate (WCR) was determined, and the wound sites were histopathologically examined. Results: On the 14th day, the WCR was significantly higher in rats treated with A. palm 10% extract ointment than in rats treated with 5% extract, positive or negative control groups ( p < 0.001), or rats treated with silver sulphfadiazine ( p = 0.01). After applying a 10% extract ointment to burn wound sites, complete healing occurred with only mild tissue inflammation and edema. Conclusion: The study’s findings indicate that the hydroalcoholic extract of A. palm L. has the ability to expedite the wound healing process. Additional research is necessary to identify the compounds responsible for their wound healing properties and comprehend their action mechanism.
Background: Breast cancer (BC) is the major cause of death from cancer among women. Some studies have indicated the cytotoxic effects of vanadyl oxide sulfate (VOSO4). This study aimed to evaluate the anti-cancer effect of VOSO4 in the treatment of MCF-7 cell line. Materials and Method: The MCF-7 cell line was treated with different concentrations of VOSO4 for 24 and 48 hours. The measurement of cell death was performed by MTT assay. The cell apoptosis rate was measured using Annexin V/Propidium Iodide assay through flow cytometry. Also, the expression levels of p53, P21, Caspase8, superoxide dismutase type 1 (SOD1), Sod2, and Bcl2 mRNAs were evaluated, and Western blotting was performed for Sod1 protein. Results: The results showed that the half-maximal inhibitory concentration (IC50) for VOSO4 was 25 and 20 μg/ml for 24 and 48 hours, respectively. Indeed, VOSO4 has dose-dependent cytotoxic effects on the MCF-7. Also, the apoptosis of the cells after 24 hours of exposure to VOSO4 reached 52% compared with untreated cells. Moreover, after 24 hours of exposure to VOSO4 with IC50 concentration, the expression of p53, P21, Caspase8, Sod1, and Sod2 mRNAs increased (P<0.05), and the expression of Bcl2 mRNA was decreased (P<0.05). Also, the Western blotting revealed Sod1 protein level markedly increased following exposure to VOSO4 (P<0.05). Conclusion: Our results demonstrated that VOSO4 has an apoptotic and cytotoxic effect on BC cells. Therefore, it could be considered as a complementary agent for the medical treatment of patients with BC.
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