Purpose: The effects of coronavirus disease 2019 vaccination on fertility and pregnancy have turned out to be a main topic of public attention. Inactivated or recombinant protein vaccines are a reliable and safe method but mostly suffer from weak immunogenicity just in case formulated with a suitable adjuvant. The purpose of this research was to assess the impacts of new SpikoGen subunit vaccine administration during pregnancy on organogenesis in the rat fetus, which is a novel achievement in teratogenesis studies.
View Article and Find Full Text PDFIn present study, we investigated the relationship between the pregnancy exposure to monosodium glutamate (MSG) and autism development in male offspring of rats. Pregnant Wistar rats were allocated into five groups. The first group was control group that pregnant animals received normal saline orally from day 1-18 of pregnancy.
View Article and Find Full Text PDFBackground: Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized by the degeneration of nigrostriatal dopaminergic neurons and movement impairment. Based on theories, neuroinflammatory processes may be vital in the etiology of PD and other neurodegenerative diseases. Reports show that rotenone has neurotoxic, inflammatory, and motor impairment effects in PD.
View Article and Find Full Text PDFIntroduction: C-X-C Chemokine receptor type 4 (CXCR4) is often overexpressed or overactivated in different types and stages of cancer disease. Therefore, it is considered a promising target for imaging and early detection of primary tumors and metastasis. In the present research, a new cyclo-peptide radiolabelled with Tc, Tc-Cyclo [D-Phe-D-Tyr-Lys (HYNIC)- D-Arg-2-Nal-Gly-Lys(iPr)], was designed based on the parental LY251029 peptide, as a potential imaging agent of CXCR4-expressing tumors.
View Article and Find Full Text PDFAutism is a neurodevelopmental disorder. A variety of molecular and cellular abnormalities leads to behavioral deficits in autism. Nevertheless, its etiology and treatment strategy are not completely understood.
View Article and Find Full Text PDFIn recent years, numerous investigations have evaluated the efficacy of adipose tissue-derived stem cells (ADSCs) and their exosome transplantation in managing Alzheimer's disease (AD) in different animal models. However, there are still many contradictions among the studies that hinder reaching a reliable conclusion. Therefore, we aimed to systematically review the existing evidence regarding the efficacy of ADSCs administration in treatment of AD.
View Article and Find Full Text PDFMed J Islam Repub Iran
October 2021
A wide variety of cytokines are released from human amniotic membrane cells (hAMCs), which can increase the rate of differentiation of mesenchymal stem cells into the neurons. We studied the effect of Retinoic Acid (RA) on the differentiation rate of human Umbilical Cord Mesenchymal Stem Cells (hUMSCs) which were co-cultured with hAMCs. In this experimental study, both hUMSCs and hAMCs were isolated from postpartum human umbilical cords and placenta respectively.
View Article and Find Full Text PDFObjectives: Alzheimer's disease (AD) is a constant, developing brain impairment that is described as the aggregation of misfolded amyloid-beta-peptide (Ab) and abnormal tau protein in the brain. Stem cell therapy became a favorable candidate for the regeneration of neurodegenerative disorders like AD, but there is still shortage of knowledge about the underlying mechanisms. The goal of this survey was the determination of the necroptotic pathway as the possible mechanism for the effect of human adipose-derived stem cells (hADSCs) in the rat model of AD.
View Article and Find Full Text PDFThe role of nitric oxide/protein kinase G (NO/PKG) in neurodegenerative disorders is controversial in different circumstances. PKG affects neurons both by itself and as a result of increased NO concentration. In this study, we examined the influence of PKG on spatial memory by intrahippocampal administration of three different concentrations of KT5823 as a PKG inhibitor.
View Article and Find Full Text PDFIt has been proposed that appearance of amyloid beta (Aβ) in hippocampus is one of the characteristic features of Alzheimer's disease (AD). The role of Nitric oxide (NO) in neurodegenerative disorders is controversy in different contexts. Here, we examined the effect of NO on spatial memory.
View Article and Find Full Text PDFSeveral lines of evidence show that cAMP-PKA signaling pathway plays critical role in memory functions and suggest nitric oxide as an important modulator in learning and memory. In this study, we assessed the effects of intra-hippocampal infusion of H-89, a selective PKAII inhibitor, and 1400 W, a selective inducible nitric oxide synthase (iNOS) inhibitor, on spatial memory in rats. By using the Morris water maze, spatial memory retention parameters were examined 48 h after the infusions through measuring escape latency, traveled distance, and swimming speed.
View Article and Find Full Text PDFLearning can be severely impaired as a consequence of exposure to environmental pollutants. Vanadium (V), a metalloid which is widely distributed in the environment, has been shown to exert toxic effects on a variety of biological systems including the nervous system. However, studies exploring the impact of vanadium on learning are limited.
View Article and Find Full Text PDFThe present study was designed to determine the effect of a new (25)Mg(2+)-carrying nanoparticle ((25)MgPMC16) on energy depletion, oxidative stress, and electrocardiographic (ECG) parameters on heart tissue of the rats poisoned by aluminum phosphide (AlP). (25)MgPMC16 at doses of 0.025, 0.
View Article and Find Full Text PDFPresent study aimed to find the clinicopathological significance of PgR and its association with TP expression in colorectal cancer. Immunohistochemical studies were performed on 83 colorectal adenocarcinoma patients using corresponding monoclonal antibodies of PgR and TP and LSAB detection kit. Mucin producing cells showed PgR expression and its expression was detected in 15.
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