Publications by authors named "Jahirul Islam"

Background: Previously, we demonstrated therapeutic benefits following intraperitoneal delivery of the TGR5 agonist HY209 in 5xFAD, a transgenic mouse model of Alzheimer’s Disease (AD). Given the desirability of a more acceptable administration route for prolonged AD treatment, we assessed the efficacy of HY209 via oral delivery. This study aims to elucidate the therapeutic potential of NuCerin, an oral formulation of HY209, in the aforementioned AD model, while simultaneously identifying potential blood biomarkers indicative of NuCerin’s therapeutic action.

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Background: Rapid human movement plays a crucial role in the spatial dissemination of the dengue virus. Nevertheless, robust quantification of this relationship using both spatial and temporal models remains necessary. This study aims to explore the spatial and temporal patterns of dengue transmission under various human movement contexts.

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  • The global shift toward sustainability in electrical engineering is driving the demand for biomass-derived carbon materials (BCMs) due to their eco-friendliness and cost-effectiveness.
  • This review highlights the crucial role of BCMs in applications like energy storage (batteries, supercapacitors) and advanced electronic components (sensors, shielding composites) and discusses their superior properties.
  • It also addresses challenges such as scalability and property uniformity while suggesting future research directions to enhance the use of BCMs in sustainable technology solutions.
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  • Two-dimensional TiC MXene is gaining attention as a lithium-ion battery electrode due to its excellent ion transport and lithium absorption capabilities.
  • A molecular dynamics simulation study shows that TiC MXene exhibits better tensile strength and elasticity along zigzag directions, while armchair-oriented TiC MXene demonstrates greater fracture strain under certain conditions.
  • The study highlights that temperature and strain rate affect the material's mechanical properties differently, and the presence of carbon vacancies significantly weakens the elastic modulus of TiC MXene.
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Background: Anaemia among preeclamptic (PE) women is a major undefined health issue in Bangladesh. This study explored the risk factors associated with anaemia and mapped the regional influences to understand the geographical inequalities.

Methods: Data from 180 respondents were prospectively collected from the Preeclampsia ward of Dhaka Medical College Hospital (DMCH), Bangladesh.

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  • The study investigates the diversity of Helicobacter pylori populations and how this heterogeneity affects its ability to cause diseases and resist treatment.
  • Researchers tested four antibiotics on samples from 42 Japanese patients, discovering that over 60% exhibited a mix of drug-resistant and sensitive strains.
  • The findings suggest that resistance patterns differ between treatment-naïve patients and those who failed previous treatment, highlighting the importance of analyzing multiple stomach isolates to better understand H. pylori infection.
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  • Tuberculous pleural effusion (TPE) is a type of tuberculosis that can cause fluid build-up in the lungs, and it's common in areas where TB is widespread.
  • Researchers wanted to see if certain immune cells, called myeloid-derived suppressor cells (MDSCs), can help tell the difference between TPE and another similar condition called parapneumonic pleural effusion (PPE).
  • They found that MDSCs were more common in cases of PPE, suggesting that measuring these cells can help doctors make better diagnoses between the two conditions.
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In context with growing concerns regarding mechanical damage in nanoelectromechanical systems (NEMS) and energy devices, this study implemented atomistic molecular dynamics simulation to examine the mechanical performance of TiC MXene, a high prospectus material in the field of NEMS and energy technologies. Bond-order Tersoff potential was employed to assess the distinction in the mechanical performance of pristine and vacancy-induced TiC depending on different physiological conditions, including temperature, loading rate, and chirality. A competitive elastic modulus of 130.

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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of COVID-19, is a highly transmittable and pathogenic human coronavirus that first emerged in China in December 2019. The unprecedented outbreak of SARS-CoV-2 devastated human health within a short time leading to a global public health emergency. A detailed understanding of the viral proteins including their structural characteristics and virulence mechanism on human health is very crucial for developing vaccines and therapeutics.

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Amyloid β (Aβ) and/or ATP activate the NLRP3 inflammasome (N3I) P2X7R in microglia, which is crucial in neuroinflammation in Alzheimer's disease (AD). Due to polymorphisms, subtypes, and ubiquitous expression of P2X7R, inhibition of P2X7R has not been effective for AD. We first report that taurodeoxycholate (TDCA), a GPCR19 ligand, inhibited the priming phase of N3I activation, suppressed P2X7R expression and P2X7R-mediated Ca mobilization and N3I oligomerization, which is essential for production of IL-1β/IL-18 by microglia.

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  • Global trends emphasize balanced nutrition for health, and a specific drinking water from deep sea water (DSW) offshore Muroto, Japan, has been noted for its health benefits.
  • A study was conducted comparing a mineral water control group with a group drinking this deep sea water (MIU) for 12 weeks, measuring health indicators through questionnaires and biological samples.
  • Results showed that the MIU group experienced increased levels of beneficial short-chain fatty acids (SCFAs) and secretory immunoglobulin A (sIgA), indicating positive impacts on gut health and metabolism.
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Coronavirus disease 2019 (COVID-19) or severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is a global issue. In addition to managing acute cases, post-COVID-19 persisting symptoms/complaints and different hematological values are of great concern. These have an impact on the patient's well-being and are yet to be evaluated.

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Immune thrombocytopenia (ITP) is an acquired autoimmune disorder characterized by antiplatelet antibodies and/or CD8 + T cells, resulting in the destruction of platelets and decreased platelet counts. that persistently colonizes the stomach causes various disorders, including extragastric diseases such as chronic ITP (cITP). Several studies have reported increased platelet counts in -infected cITP patients with eradication treatment and also the pathophysiological pathways involving cross-reaction of antibodies against with platelets, the modulation of Fcrγ receptors balance and others.

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Introduction: Typhoid incidence in children is higher in urban areas than in rural areas of Bangladesh. This study examined whether healthy urban children harboured higher levels of Salmonella genes than healthy rural children.

Methodology: Stool samples from 140 children were studied: 70 from rural areas and 70 from urban metropolitan areas.

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  • World health trends emphasize a balanced diet for better health, with a focus on the benefits of mineral-rich refined deep-sea water (RDSW), which has been shown to improve gut health.
  • A study involving 98 healthy adults compared the effects of RDSW to a control mineral water over 12 weeks, examining fecal biomarkers and urinary samples.
  • Results showed that RDSW consumption led to increased short-chain fatty acids (SCFAs), reduced harmful substances, and alleviated constipation more effectively than the control group, suggesting RDSW promotes a healthier intestinal environment.
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Inhibition of immune checkpoint proteins like programmed death 1 (PD-1) is a promising therapeutic approach for several cancers, including non-small cell lung cancer (NSCLC). Although PD-1 ligand (PD-L1) expression is used to predict anti-PD-1 therapy responses in NSCLC, its accuracy is relatively less. Therefore, we sought to identify a more accurate predictive blood biomarker for evaluating anti-PD-1 response.

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Type 2 diabetic nephropathy (T2DN) progresses with an increasingly inflammatory milieu, wherein various immune cells are relevant. Herein, we investigated the levels of myeloid-derived suppressor cells (MDSCs) and their clinical implication in patients with T2DN. A total of 91 subjects (T2DN, n=80; healthy, n=11) were recruited and their PBMCs were used for flow cytometric analysis of polymorphonuclear (PMN-) and monocytic (M-) MDSCs, in addition to other immune cell subsets.

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Objectives: We aimed to examine whether an association exists between maternal high-risk fertility behavior and chronic undernutrition among children under 5 y of age. In addition, we explored the relationship between poverty and high-risk fertility behavior and the relative roles they play as obstacles in the reduction of the risk of undernutrition among children.

Methods: The analysis was based on responses from married women ages 15 to 49 who lived with at least one child under the age of 5; and three cross-sectional, nationally representative samples from India, Bangladesh, and Nepal were considered.

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