Background: Multiple sclerosis (MS) is an autoimmune disorder of the central nerve system (CNS), which affects the brain and spinal cord. Experimental autoimmune encephalomyelitis (EAE) is the most commonly applied experimental model for studying the MS. The aim of this study was to determine the effects of Sesamum indicum seeds oil on Experimental Autoimmune Encephalomyelitis (EAE) in mice.
Methods: Sesame oil was administrated intraperitoneally three days before immunization. IFN-γ, IL-10, IL-17 and TGF-β levels and mRNA expression in supernatant of and within cultured mononuclear cells were assessed.
Results: According to our results, sesame oil treated mice demonstrated significant disease severity reduction (P=0.01 and 0.001, respectively). Treated EAE mice also represented statistically significant delay in the onset of symptoms in comparison with control group. The average IFN-γ levels and mRNA of sesame oil treated EAE mice were less than untreated EAE group. IL-10 and TGF-β levels and mRNA did not differ significantly in sesame oil treated EAE mice in comparison to untreated EAE group. IL-17 levels and mRNA were also found to be decreased significantly in treated mice in comparison to untreated mice.
Conclusions: Even thoughTH1 and TH17 cells through secretion of IFN-γ and IL-17, respectively, are involved in the pathogenesis of multiple sclerosis and EAE, but IL-10 has been shown to exhibit suppressive effects on these disorders. It can be concluded that sesame oil is able to induce TH2 and TH17-related immune responses and suppress TH1 type in EAE
Depression is a psychiatric disease resulting mainly by dysfunction of serotoninergic and monoaminergic neurotransmission in central nervous system (CNS). Due to the multifaceted nature of depression and our limited understanding on its etiology, depression is difficult to be treated with currently available pharmaceuticals. Then, new therapeutic strategies for depression have been proposed. Since 1975, several clinical studies have reported that L-type Ca2+ channel blockers (CCBs), used in anti-hypertensive therapy, produce increase of plasma catecholamine levels and tachycardia, typical symptoms of sympathetic hyperactivity. Despite these adverse effects of CCBs have been initially attributed to adjust reflex of arterial pressure, during almost four decades these enigmatic phenomena remained unclear. In 2013, we discovered that this paradoxical sympathetic hyperactivity produced by CCBs results from the increase of catecholamines release from sympathetic nerves, and adrenal chromaffin cells, due to its modulatory action on the interaction between intracellular signaling pathways mediated by Ca2+ and cAMP (Ca2+/cAMP signalling interaction). Then, the pharmacological modulation of this interaction by combined use of L-type CCBs, and cAMP-enhancer compounds, could be a more efficient (and safer) therapeutic strategy to produce increase of serotoninergic and monoaminergic neurotransmission in the CNS due to enhance of serotonin and monoamines release, thus attenuating clinical symptoms of depression in humans.
According to literature, about 90% of death from cancer is related to metastasis. Metastatic process present many similarity to some other biological processes. Once we have examined some relevant biomedical literature, by understanding the real causes of metastasis, it would become much more possible to introduce new therapeutic strategies to delay or in some cases even to stop this kind of killer process. Breast cancer, as an example, produces metastasis to different organs, which seems to be related to the subtype. We believe that a deep understanding of the roles of breast cancer cells and their interactions with the liver microenvironment in early breast cancer metastasis could be a crucial factor for the design and development of effective BCLM breast cancer liver metastases therapeutic strategies and to better understand the general process. Let’s suppose the secondary organ or organs can be considered as incubator/s for the primary metastatic cells. What kind of consequences we can have in therapy field if there is an active regulating role in determining the location of secondary cancers?
Let’s observe the role played by liver, bone marrow, CNS central nervous system, lungs, lymphocytes and other secondary locations/organs a little bit closer or maybe from a different angle let’s suppose we try to come up with just a hypothesis. Just let’s take this as a possibility, and we take the thread to see where it takes us.
Ependymomas, which account for 10% of pediatric central nervous system (CNS) tumors, arise from the ependymal cells that line the cerebral ventricles and the central canal of the spinal cord. Extraneural metastasis to lung is rare for ependymomas primary tumors. Repeated surgeries that disrupt the blood-brain barrier may contribute to haematogenous spread, but the mechanism remains unclear. We present a case of ependymoma with extraneural metastasis to lung in a child and discuss reported cases of extracranial metastatic ependymoma with this presentation.
Introduction and aim: Idiopathic nephrotic syndrome (INS) is the most common type of this disease during childhood. Minimal change nephrotic syndrome (MCNS) is the most common histopathological lesion (80 – 90%) of INS in children and about 90% of patients are steroid responsive, while congenital nephrotic syndrome is disorder that may be caused by several diseases. Intrauterine infections, especially CMV infection, have frequently been incriminated as etiological factors of secondary CNS. The aim of this research was to evaluate the frequency of CMV infection children with active nephrotic syndrome in our pediatric nephrology unit
Patients and methods: This descriptive (cross sectional) study was conducted in pediatric nephrology unit, Zagazig University Hospitals and included 60 patients WITH NS in activity; Participants were subjected to, Full history taking, Clinical examination; general & local, Routine laboratory investigations and Serum samples were tested for HCMV specific immunoglobulin G (IgG) and immunoglobulin M (IgM) using ELISA Kit.
Results: We found 100% of cases were IgG positive and 7/60 cases were IgM positive, There were no statistically significant differences between IgM positive-patients vs IgM-negative patients according to age, sex and first attack or relapsed NS, There were statistically significant differences between IgM positive-patients vs IgM-negative patients in blood laboratory data in decreases in HB (P=0.024) and serum urea nitrogen (P=0.04)
Conclusion: We concluded that serofrequency of cytomegalovirus infection in pediatric nephrology unit, Zagazig university hospitals during follow-up was 12% for cmv IgM and 100% for cmv IgG at ns children patients
Long Ching*, Ming Him Yuen, Tak Lap Poon, Fung Ching Cheung, Shun Hin Ting and Wing Chi Fong
Published on: 9th July, 2019
Lesions that spontaneously come and go in central nervous system without any treatment at different time points and at different locations (CNS) usually lead ones to think of the possibilities of multiple sclerosis. However, sometimes there are exceptions. Surgical biopsy remains an important tool for definitive diagnosis in difficult cases. We report a case of intracranial diffuse large B cell lymphoma that spontaneously disappeared without any treatment and then reappeared at different time points and different locations.
Background: Gliomas represent the most frequent primary tumors of central nervous system (CNS), contributing to more than half of the incidence of brain tumors. Cancer stem cell markers (CSC) identify a group of patients at high risk for progression. Nestin is an intermediate filament (IF) protein was first described as a neural stem cell/progenitor cell marker. Nestin-positive neuroepithelial stem cells are detected in the subventricular zone of the human adult brain and they remain mitotically active throughout adulthood. The expression of Nestin in gliomas has been suggested to be related to dedifferentiation, improved cell motility, invasive potential and increased malignancy. This study aims to investigate Nestin immunohistochemical expression in different types of glioma and its correlation with different clinicopathological parameters.
Materials and Methods: Nestin immunostaining was studied in 60 specimens of glioma using avidin-biotin peroxidase method.
Results: Nestin was strongly expressed in 11/60 (18.33%), moderately expressed in 29/60 (48.33%) and weekly expressed in 15/60 (25%) of studied gliomas. A significant positive correlation was found between Nestin expression and histologic type (p < 0.001) and increasing grade of gliomas (p < 0.001).
Conclusion: Increased Nestin expression is correlated with tumor progression, increasing grade and poor prognostic parameter of glioma. Nestin is a useful marker for detection of CSC in high-grade glioma which is responsible for resistance to chemo-radiotherapy and may serve as a predictor for patient outcomes.
Observing the epidemiology of some neurodegenerative disease is interesting to verify some similarity and also related advanced or non-advanced countries and related diet habits. There are relationship between this conditions and diet habits? Some neurological condition related neuro-degeneration can be related to a complex dynamic system like the glymphatic system and the brain vascular clearance. Failure in this system seem related to aggravates of some condition like PD or vascular or diabetic dementia. (Animal model). But what happen if this dynamic system is saturated? A deep investigation related the specific role in CNS make possible to search new innovative strategies. The social economic cost for the neurodegenerative disease is the right tool to new research.
Blood vessels that supply and feed the central nervous system (CNS) possess unique and exclusive properties, named as blood–brain barrier (BBB). It is responsible for tight regulation of the movement of ions, molecules, and cells between the blood and the brain thereby maintaining controlled chemical composition of the neuronal milieu required for appropriate functioning. It also protects the neural tissue from toxic plasma components, blood cells and pathogens from entering the brain. In this review the importance of BBB and its disruption causing brain pathology and progression to different neurological diseases like Alzheimer’s disease (AD), Parkinson’s disease (PD), Amyotrophic lateral sclerosis (ALS), Huntington’s disease (HD) etc. will be discussed.
We described a case of specific (tuberculous) encephalitis in a patient after kidney transplantation. Immunosuppressive therapy, continuously required in post-tranplant period, may cause various complications, such as infections. Specific meningoencephalitis is an infection that is rarely diagnosed and more common in immunocompromised patients.
Case report: A 30-year-old man had kidney transplantation (kidney donor was his father). He previously was two years on chronic hemodialysis treatment because of end-stagerenal disease based on diabetic nephropathy. He has diabetes type 1. The early post-transplant period duly passed with satisfactory clinical and laboratory parameters of renal function. Two months after transplantation, he presented with febrile condition, signs of septicemia and dehydration with significant neurological deficit and expressed meningeal signs. In cerebrospinal fluid we found lymphocytosis, elevated proteins and positive micobacterium tuberculosis antibodies (Hexagon method) and we suspected to specific etiology of meningitis. Performed computed tomography (CT) scan of the brain with contrast confirmed the expected finding.
Due to the poor prognosis of infections of the central nervous system (CNS) in immunocompromised patients, only prompt diagnosis can improve survival in this group of patients. The therapeutic protocol after kidney transplantation include the prophylactic use of antituberculous drug (Isoniazid 300 mg) during the 9 months.
Background: A misguided auto-reactive injury is responsible for several types of central nervous system (CNS) conditions in pediatrics. We propose that, in some of these conditions, the adaptive immune system has a common cellular immune pathogenesis, driven predominantly by T cells, despite variability on the phenotypical clinical presentation.
Methods: We have characterized the CD4+/CD8+ adaptive immune response (AIR) on pediatric patients presenting with clinical symptoms compatible with Neuroimmune Disorders (NID). Flow cytometry with deep immunophenotyping of T cells was performed on peripheral blood obtained during the acute clinical phase and compared to an age-matched cohort group (Co).
Results: We found that pediatric patients with confirmed NID, exhibit a pattern of dysregulation of CD4+ lineages associated with autoimmune processes.
Discussion: The autoimmune associated CD4+ dysregulation was associated with patients with NID, as compared to healthy controls and patients with non-autoimmune diagnoses. If we can improve our capacity for early accurate diagnosis and meaningful disease monitoring of pathogenic T cell subsets, we can both expedite disease detection and may serve as a guide to the administration of effective immunotherapeutic agents.
Air pollution exposure is among the most prevalent reasons for environmentally-induced oxidative stress and inflammation, both of which are implicated in the central nervous system (CNS) diseases. The CNS has emerged as an important target for adverse health effects of exposure to air pollutants, where it can cause neurological and neurodevelopmental disorders. Air pollution includes various components of gases, particulate matter (PM), ultrafine particulate (UFPs), metals, and organic compounds. An important source of PM and UFPM in the ambient air is associated with air pollution-related trafficking, and primarily diesel exhaust particles (DEPs). Controlled animal studies and epidemiological studies show that exposure to air pollution, and in particular urban air pollution or DEPs, may lead to neurotoxicity. In specific, exposure to air pollutants as an important factor may be in neurodevelopmental disorders (eg Autism) and neurological disorders (eg.., Alzheimer’s Disease (AD)). The most noticeable effects of exposure to air pollutants in animals and humans are oxidative stress and neurodegeneration. Studies in rats exposed to DEPs showed microglial activity, increased lipid peroxidation, and neuronal accumulation in various areas of the brain, especially the olfactory bulb (OB) and the hippocampus (HI). Disorders of adult neurogenesis were also found. In most cases, the effects of DEP are more pronounced in male mice, probably due to lower antioxidant capacity due to less expression of paraoxonase 2.
Kübra ARSLAN*, Ayça TÖREL ERGÜR and Mehmet Ali YİNANÇ
Published on: 7th March, 2022
Central Diabetes Insipidus (CDI) results from the inability to secrete ADH secreted by the neurohypophysis system to control water-electrolyte metabolism. In the etiology of CDI in childhood, many congenital and acquired central nervous system (CNS) tumors (germinoma, pinealoma, craniopharyngioma, optic glioma, acute myeloid leukemia), infiltrative diseases (Langerhans cell histiocytosis, sarcoidosis), infections (meningitis, tuberculosis, encephalitis), autoimmune events, head trauma, idiopathic) can be responsible [1]. Hibernomas, which are very rare in childhood, may also rarely involve the central nervous system.
Oriba Dan Langoya*, Adrian Mwota Nampogo and Andia Irene
Published on: 15th March, 2022
Introduction: Tuberculosis (TB) continues to pose a significant public health problem worldwide. Tuberculous meningitis (TBM) is the most devastating form of extrapulmonary TB however other forms of central nervous system (CNS) disease include tuberculoma and spinal arachnoiditis. TBM carries high mortality even for a patient who is already receiving treatment. The difficulty in diagnosis often leads to a delay in treatment and subsequent mortality. The emergence of Xpert ultra has improved the rapid detection of MTB and rifampicin resistance in CSF and is the preferred diagnostic tool in TBM.Case: In this case report we present a 33 years patient of concern who presented with progressive lower limb weakness associated with pain and paresthesia for 4 months, admitted via the Orthopedic unit with a diagnosis of spinal mass (meningioma, neurofibroma, or nerve sheath tumor) for which biopsy was done and revealed a chronic inflammatory process, necrotic bone lesions with no granulomas and no malignancy, he was later diagnosed with tuberculous meningitis and promptly started anti-tuberculous therapy with a dramatic recovery and improvement in neurological function.Conclusion: Tuberculous meningitis conditions have high morbidity and mortality yet diagnosis and start of treatment continue to experience an important delay. Clinicians should keep in mind the limitations of clinical presentation due to pleiotropy and current diagnostics and should employ a combination of diagnostic modalities in addition to a high index of suspicion to prevent morbidity in patients with TBM.
Souhir Khemiri*, Sonda Masmoudi, Wala Ben Kridis and Afef Khanfir
Published on: 3rd June, 2022
Introduction: Primary central nervous system (PCNS) posttransplant lymphoproliferative disease (PTLD) is a rare complication of solid organ transplantation and treatment is not yet standardized.Case presentation: Here we report the case of a 54-year-old man who underwent renaltransplantation 22 years ago for end-stage renal disease. He had been on long-term immunosuppressive treatment consisting of orally administered prednisolone 10 mg and then 5 mg daily and orally administered Mycophenolate Mofetil 500 mg twice daily. He presented in January 2019 to emergency with aphasia and then partial seizure. On brain MRI there was an expansive cortical mass in the left temporal lobe with perilesional edema. Biopsy revealed a diffuse large B-cell lymphoma. He was treated with one cycle of Cytarabine with his usual immunosuppressive treatment. In view of his renal allograft, he was not suitable for Methotrexate due to the risk of toxicity. He died on day 15 caused by a sepsis choc secondary to febrile neutropenia.Conclusion: PCNS-PTLD is regarded as one of the most serious posttransplant complications due to its high mortality. Further clinical and experimental investigations are required to develop optimal diagnostic and treatment modalities.
Multiple Sclerosis (MS) is a chronic and often progressive condition that affects the Central Nervous System (CNS) and as a result has negative consequences on a person’s physical condition, functioning, mood, and Activities of Daily Living (ADL) [1].
Raheel Khan, Atiq-ur-Rehman Selehria, Hafsa Aquil, Atif Sheraz, Sara Khan, Najwa Zahoor and Anashia Kayani*
Published on: 10th April, 2023
Gliomas are known to be one of the most grievous malignant central nervous system (CNS) tumors and have a high mortality rate with a low survival rate severe disability and increase risk of recurrence. Aim of his study is to determine the diagnostic accuracy of apparent diffusion coefficient (ADC) in differentiating low-grade and high-grade gliomas, taking histopathology as the gold standard. It is a Cross-sectional validation study conducted at the Armed Forces Institute of Radiology and Imaging, (AFIRI) Rawalpindi, Pakistan from 28th February 2022 to 27th August 2022.Materials and methods: A total of 215 patients with focal brain lesions of age 25-65 years of either gender were included. Patients with a cardiac pacemaker, breastfeeding females, de-myelinating lesions and malignant infiltrates, and renal failure were excluded. Then diffusion-weighted magnetic resonance imaging was performed on each patient by using a 1.5 Tesla MR system. The area of greatest diffusion restriction (lowest ADC) within the solid tumor component was identified while avoiding areas of peritumoral edema. Results of ADC were interpreted by a consultant radiologist (at least 5 years of post-fellowship experience) for high or low-grade glioma. After this, each patient has undergone a biopsy in the concerned ward, and histopathology results were compared with ADC findings. Results: Overall sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy of apparent diffusion coefficient (ADC) in differentiating low- and high-grade gliomas, taking histopathology as the gold standard was 93.65%, 87.64%, 91.47%, 90.70% and 91.16% respectively. Conclusion: This study concluded that apparent diffusion coefficient (ADC) is the non-invasive modality of choice with high diagnostic accuracy in differentiating low- and high-grade gliomas.
Microbiome-gut-brain axis represents a complex, bidirectional communication network connecting the gastrointestinal tract and its microbial populations with the central nervous system (CNS). This complex system is important for maintaining physiological homeostasis and has significant implications for mental health. The human gut has trillions of microorganisms, collectively termed gut microbiota, which play important roles in digestion, immune function, and production of various metabolites. Some current research shows that these microorganisms strongly influence the brain function and behaviour of individuals, forming the basis of the microbiome-gut-brain axis. The communication between gut microbiota and the brain occurs via multiple pathways: neural pathway (e.g., vagus nerve), endocrine pathway (e.g., hormone production), immune pathway (e.g., inflammation modulation), and metabolic pathway (e.g., production of short-chain fatty acids). Dysbiosis, or imbalance of gut microbiota, has been linked to mental health disorders such as anxiety, depression, multiple sclerosis, autism spectrum disorders, etc, offering new perspectives on their etiology and potential therapeutic interventions. Artificial Intelligence (AI) has emerged as a powerful tool in interpreting the complexities of the microbiome-gut-brain axis. AI techniques, such as machine learning and deep learning, enable the integration and analysis of large, multifaceted datasets, uncovering patterns and correlations that can be avoided by traditional methods. These techniques enable predictive modeling, biomarker discovery, and understanding of underlying biological mechanisms, enhancing research efficiency and covering ways for personalized therapeutic approaches. The application of AI in microbiome research has provided valuable insights into mental health conditions. AI models have identified specific gut bacteria linked to disease, offered predictive models, and discovered distinct microbiome signatures associated with specific diseases. Integrating AI with microbiome research holds promise for revolutionizing mental health care, offering new diagnostic tools and targeted therapies. Challenges remain, but the potential benefits of AI-driven insights into microbiome-gut-brain interactions are immense and offer hope for innovative treatments and preventative measures to improve mental health outcomes.
The SARS-CoV-2 pandemic, which began in late 2019, initially manifested with acute respiratory symptoms, including bilateral pneumonia, and later emerged as a systemic disease. This brief report assesses changes in the clinical profiles of psychiatric outpatients before, during, and after the pandemic’s most severe periods, focusing on mood, anxiety, and cognitive symptoms. Data from a private psychiatric facility in Rome reveal that both pandemic-related stressors and SARS-CoV-2 infection itself may contribute to enduring affective and cognitive symptoms in both older and younger adult subgroups. Notably, during the pandemic, older patients showed elevated psychopathology scores (BPRS-24) compared to younger individuals. In the post-pandemic period, younger adults exhibited increased positive symptoms on the PANSS Positive subscale, suggesting a gradual worsening in symptoms post-pandemic ( = 0.47). Cognitive assessments (MMSE and PM38) further highlighted fluctuating performance over time, with older adults showing two distinct declines during the pandemic and in 2024. This work underscores the importance of sustained mental health interventions to address the pandemic’s psychosocial and neuroinflammatory legacy. This perspective also considers new data on the CNS effects of “toxin-like peptides” synthesized by microbiome bacteria.
Gizem Kavak, Mehmet Ali Nahit Şendur, Dilek Kösehan, Ayşen Aydin, Mehmet Ferat Kiran and Yildiz Güney*
Published on: 27th January, 2025
Anaplastic Pleomorphic Xanthoastrocytoma is a very rare tumor of the Central Nervous System (CNS). BRAFV600E mutation is a common mutation in pleomorphic xanthoastrocytoma. We present a 52-year-old male patient who underwent total resection due to a temporal lobe mass. The primary tumor in the temporal lobe was given postoperative radiotherapy. During follow-up, genetically and histologically proven metastasis was detected in the paraspinal region. The adjuvant RT was given to metastasis after surgery. The patient, who used the combination of dabrafenib and trametinib after recurrence, is being monitored in remission.
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