National University - Sudan (NUSU)
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Item Possible role of inflammasomes in the pathogenesis of periodontal diseases(Preprints, 2023) Hashim, Nada; Babiker, Rasha; Mohammed, Riham; Gismalla, Bakri; Rehman, Mohammed MustahsenDr. Jurg Tschopp created the word "inflammasome" in 2002. Inflammasome activation and its function in disease processes have been the subject of significant investigation over the last 15 years. Four important inflammasomes have been identified: NLRP1, NLRP3, NLRC4, and AIM2. When these inflammasomes are activated, they process and secrete inflammatory cytokines such as IL-1b and IL-18, as well as cause pyroptosis, an inflammatory form of cell death. In this review, we will look at how these inflammasomes have been connected to Periodontitis pathogenesis.Item Highlighting the Effect of Pro‑inflammatory Mediators in the Pathogenesis of Periodontal Diseases and Alzheimer’s Disease(Journal of Pharmacy and Bioallied Sciences, 2024) Hashim, Nada; Babiker, Rasha; Mohammed, Riham; Chaitanya, Nallan CSK; Rahman, Muhammed M.; Gismalla, BakriAlzheimer’s disease (AD) is a neurological condition that is much more common as people get older. It may start out early or late. Increased levels of pro‑inflammatory cytokines and microglial activation, both of which contribute to the central nervous system’s inflammatory state, are characteristics of AD. As opposed to this, periodontitis is a widespread oral infection brought on by Gram‑negative anaerobic bacteria. By releasing pro‑inflammatory cytokines into the systemic circulation, periodontitis can be classified as a “low‑grade systemic disease.” Periodontitis and AD are linked by inflammation, which is recognized to play a crucial part in both the disease processes. The current review sought to highlight the effects of pro‑inflammatory cytokines, which are released during periodontal and Alzheimer’s diseases in the pathophysiology of both conditions. It also addresses the puzzling relationship between AD and periodontitis, highlighting the etiology and potential ramifications.Item The Impact of Ozone on Periodontal Cell Line Viability and Function(Current Issues in Molecular Biology, 2025) Hashim, Nada Tawfig; Babiker, Rasha; Dasnadi, Shahistha Parveen; Islam, Md Sofiqul; Chaitanya, Nallan CSK; Mohammed, Riham; Farghal, Nancy Soliman; Gobara, Bakri; Rahman, Muhammed MustahsenPeriodontal diseases, including gingivitis and periodontitis, are chronic inflam matory conditions of the teeth’ supporting structures that can lead to progressive tissue destruction and loss if left untreated. Basic treatments like scaling and root planing, alone or combined with antimicrobial agents, are the standard of care. However, with the increas ing prevalence of antibiotic resistance and the need for new ideas in therapy, adjunctive treatments like ozone therapy have gained attention. Ozone (O3), a triatomic oxygen molecule, is used because of its strong antimicrobial, anti-inflammatory, and regenera tive activity and, hence, as a potential tool in periodontal therapy. This review of the use of ozone therapy in periodontal disease breaks down the multifaceted mechanism of ozone therapy, which includes the selective antimicrobial action against biofilm-associated pathogens, immunomodulatory effects on host cells, and stimulation of tissue repair. O3 therapy disrupts microbial biofilms, enhances immune cell function, and promotes healing by activating Nuclear Factor Erythroid 2-Related Factor 2 (Nrf2) and Mitogen-Activated Protein Kinase (MAPK) signaling pathways that regulate oxidative stress, inflammation, and apoptosis. Additional findings include its ability to upregulate growth factors and extracellular matrix proteins, which is significant for periodontal tissue regeneration. This review also discusses the application of O3 therapy in periodontal cell lines, emphasizing its impact on cell viability, proliferation, and differentiation. Advances in periodontal re generative techniques, combined with the antimicrobial and healing properties of O3, have demonstrated significant clinical benefits. Challenges, including the need for standardized dosages, effective delivery systems, and long-term studies, are also addressed to ensure safe and effective clinical integration. O3 therapy, with its dual antimicrobial and regenerative capabilities, offers an innovative adjunctive approach to periodontal treatment. Future research focusing on optimized protocols and evidence-based guidelines is essential to fully realize its potential in enhancing periodontal health and improving patient outcomes.Item Gum Arabic as a potential candidate in quorum quenching and treatment of periodontal diseases(Frontiers in Oral Health, 2024) Hashim, Nada Tawfig; Babiker, Rasha; Rahman, Mohammed Mustahsen; Chaitanya, Nallan C. S. K.; Mohammed, Riham; Dasnadi, Shahistha Parveen; Gismalla, Bakri GobaraPeriodontal diseases are chronic inflammatory conditions influenced by bacterial biofilm formation and host immune responses, affecting millions worldwide. Traditional treatments like mechanical debridement and systemic antibiotics often face limitations, including biofilm resilience and antibiotic resistance. Gum Arabic (GA), a natural exudate from Acacia trees, presents a promising alternative with its anti-biofilm and anti-inflammatory properties. This review highlights the role of GA in periodontal therapy, particularly its ability to interfere with quorum sensing (QS) pathways, specifically the AI-2 signaling system used by key periodontal pathogens such as Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, andFusobacterium nucleatum. By disrupting QS, GA inhibits biofilm formation, reduces bacterial virulence, and promotes a balanced oral microbiome. GA’s prebiotic properties also encourage the growth of beneficial bacteria, enhancing the host’s immune response while preserving the systemic microbiome. Clinical studies demonstrate GA’s effectiveness as an adjunct in periodontal therapy, with significant reductions in plaque accumulation, gingival inflammation, and bleeding. This highlights GA’spotential as a natural therapeutic agent, offering an effective, antibiotic-sparing option in managing periodontal disease. However, further research is warranted to fully establish GA’s role in comprehensive periodontal care and its long-term benefits.Item Exploring Salivary Alpha-Amylase as a Biomarker in Periodontitis: A Comparative Analysis of Disease Stages and Clinical Correlations(Current Issues in Molecular Biology, 2024) Hashim, Nada Tawfig; Fathima, Sadiah; Hisham, Nurain Mohammad; Shivappa, Pooja; Magaogao, Michael V.; Islam, Md Sofiqul; Ahmed, Sara Faisal; Babiker, Rasha; Rahman, MuhammedMustahsenPeriodontal disease, characterized by bacterial plaque accumulation and subsequent im muneresponse, can lead to gingivitis and periodontitis if untreated. Salivary alpha-amylase (sAA) has emerged as a potential biomarker with implications in periodontal disease progression. Objec tives: This study aimed to assess and compare salivary alpha-amylase levels in individuals with periodontitis and healthy controls and to investigate its relationship with clinical parameters of periodontal disease. Forty-five participants were categorized into periodontally healthy (n = 13), Stage I and II Periodontitis (n = 17), and Stage III and IV periodontitis (n = 15) groups. Saliva samples were collected and analyzed using ELISA kits. Statistical analyses included tests for normality, group comparisons, post hoc analysis, and correlation analysis. Significant differences in salivary alpha-amylase levels were observed among severity groups (p < 0.05), with higher levels in periodon titis patients than healthy controls. Spearman correlation revealed moderate positive associations between alpha-amylase levels and probing depth (PD) and clinical attachment loss (CAL). Elevated salivary alpha-amylase levels were found to be associated with more severe periodontal disease, suggesting its potential as a biomarker for periodontitis severity. These findings support the utility of salivary biomarkers in periodontal disease diagnosis and monitoring, although further validation and standardization are warranted for clinical application.Item The Global Burden of Periodontal Disease: A Narrative Review on Unveiling Socioeconomic and Health Challenges(International Journal of Environmental Research and Public Health, 2025) Hashim, Nada Tawfig; Babiker, Rasha; Padmanabhan, Vivek; Ahmed, Azza Tagelsir; Chaitanya, Nallan C. S. K.; Mohammed, Riham; Priya, Sivan Padma; Ahmed, Ayman; El Bahra, Shadi; Islam, Md Sofiqul; Gismalla, Bakri Gobara; Rahman, Muhammed MustahsenAbstract: Periodontal disease is a prevalent chronic inflammatory condition that impacts over a billion people worldwide, leading to substantial tooth loss, reduced quality of life, and heightened systemic health risks. This narrative review synthesizes current evidence regarding the global burden of periodontal disease, its established associations with systemic conditions including cardiovascular disease, diabetes, adverse pregnancy outcomes, respiratory infections, and neurodegenerative disorders, and its significant socioeconomic implications. The review focused on the following research question: What is the global burden of periodontal disease, and how do its systemic and socioeconomic implications necessitate integrated public health strategies? A structured search of the PubMed,Scopus, andWHOdatabasesfrom2000to2024wasconductedtoidentifyrelevant literature using key terms, including “periodontal disease”, “global burden”, “systemic inflammation”, and “public health strategies”. Out of 312 initially identified articles, 175 satisfied the inclusion criteria for the final synthesis. The findings underscore the significance of periodontal disease as a modifiable risk factor for various noncommunicable diseases, the influence of healthcare disparities on disease progression, and the critical necessity for integrated public health strategies to mitigate the global burden of periodontal disease and its consequences. The review concludes that coordinated policy reform, health system integration, and enhanced research efforts are crucial for mitigating the global burden of periodontal disease and advancing health equity.Item NewInsights in Natural Bioactive Compounds for Periodontal Disease: Advanced Molecular Mechanisms and Therapeutic Potential(Molecules, 2025) Hashim, Nada Tawfig; Babiker, Rasha; Chaitanya, Nallan C. S. K.; Mohammed, Riham; Priya, Sivan Padma; Padmanabhan, Vivek; Ahmed, Ayman; Dasnadi, Shahista Parveen; Islam, Md Sofiqul; Gismalla, Bakri Gobara; Rahman, Muhammed MustahsenAbstract: Periodontal disease is a chronic inflammatory condition that destroys the tooth supporting structures due to the host’s immune response to microbial biofilms. Traditional periodontal treatments, such as scaling and root planing, pharmacological interventions, and surgical procedures, have significant limitations, including difficulty accessing deep periodontal pockets, biofilm recolonization, and the development of antibiotic resistance. In light of these challenges, natural bioactive compounds derived from plants, herbs, and other natural sources offer a promising alternative due to their anti-inflammatory, an tioxidant, antimicrobial, and tissue-regenerative properties. This review focuses on the molecular mechanisms through which bioactive compounds, such as curcumin, resveratrol, epigallocatechin gallate (EGCG), baicalin, carvacrol, berberine, essential oils, and Gum Arabic, exert therapeutic effects in periodontal disease. Bioactive compounds inhibit critical inflammatory pathways like NF-κB, JAK/STAT, and MAPK while activating protective pathways such as Nrf2/ARE, reducing cytokine production and oxidative stress. They also inhibit the activity of matrix metalloproteinases (MMPs), preventing tissue degradation and promoting healing. In addition, these compounds have demonstrated the potential to disrupt bacterial biofilms by interfering with quorum sensing, targeting bacterial cell membranes, and enhancing antibiotic efficacy.Bioactive compounds also modulate the immune system by shifting the balance from pro-inflammatory to anti-inflammatory re sponses andpromotingefferocytosis, which helps resolve inflammation and supports tissue regeneration. However, despite the promising potential of these compounds, challenges related to their poor bioavailability, stability in the oral cavity, and the absence of large-scale clinical trials need to be addressed. Future strategies should prioritize the development of advanced delivery systems like nanoparticles and hydrogels to enhance bioavailability and sustain release, alongside long-term studies to assess the effects of these compounds in human populations. Furthermore, combining bioactive compounds with traditional treatments could provide synergistic benefits in managing periodontal disease. This review aims to explore the therapeutic potential of natural bioactive compounds in managing peri strategies should prioritize the development of advanced delivery systems like nanoparticles and hydrogels to enhance bioavailability and sustain release, alongside long-term studies to assess the effects of these compounds in human populations. Furthermore, combining bioactive compounds with traditional treatments could provide synergistic benefits in managing periodontal disease. This review aims to explore the therapeutic potential of natural bioactive compounds in managing periodontal disease, emphasizing their molecular mechanisms of action and offering insights into their integration with conventional therapies for a more comprehensive approach to periodontal health. odontal disease, emphasizing their molecular mechanisms of action and offering insights into their integration with conventional therapies for a more comprehensive approach to periodontal heal