Publications by authors named "Kazmi S"

Colorectal cancer (CRC) is globally ranked as the third leading cause of cancer-related deaths in both men and women. There is an urgent need for novel biomarkers to facilitate early diagnosis and enhance patient care, thereby improving treatment response and reducing mortality rates. Signal transducer and activator of transcription 3 (STAT3) is essential for controlling the anti-tumor immune response since it is a hub for several oncogenic signaling pathways.

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The extensive use of antibiotics and their persistence in the environment have seriously threatened marine ecosystems in recent years. The frequent occurrence of extreme weather due to climate change has also increased the uncertainty of effective toxicity identification and risk assessment of the chemicals of concern. This study aimed to investigate the toxic effects and potential mechanisms of florfenicol (0.

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Commonly used adenine-induced chronic kidney disease (CKD) murine models often employ C57BL/6 mice; however, this strain has inherent limitations due to its natural resistance to developing key pathological features of CKD, such as tubulointerstitial fibrosis and inflammation. There have been attempts to overcome these barriers by using multiple concentrations of adenine-supplemented diets or by performing prolonged experiments up to 20 weeks. Here, we demonstrate that SKH1 Elite mice develop clinically relevant CKD phenotypes (e.

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Purpose: overexpression/amplification in wild-type (WT) metastatic colorectal cancer (mCRC; human epidermal growth factor receptor 2 [HER2]-positive mCRC) appears to be associated with limited benefit from anti-EGFR antibodies and promising responses to dual-HER2 inhibition; however, comparative efficacy has not been investigated. We conducted a randomized phase II trial to evaluate efficacy and safety of dual-HER2 inhibition against standard-of-care anti-EGFR antibody-based therapy as second/third-line treatment in HER2-positive mCRC.

Methods: Patients with -WT mCRC after central confirmation of HER2 positivity (immunohistochemistry 3+ or 2+ and in situ hybridization amplified [HER2/CEP17 ratio >2.

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Irritable Bowel Syndrome (IBS) patients and Somatization Symptom Disorder (SSD) patients experience somatization symptoms relative to their corresponding processes. IBS patients may also have a diagnosis of both IBS and SSD. Somatization symptoms cause significant psychological, emotional and social distress.

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Background: Simulation-based learning (SBL) and augmented reality (AR) /virtual reality (VR) are increasingly adapted and investigated globally to aid traditional teaching methods of clinical skills in several fields of clinical dentistry. This cross-sectional study was, therefore, aimed to assess the availability of such technology to Prosthodontics postgraduate trainees in Pakistan, as well as their introspective views regarding the effectiveness of adapting to simulation-based learning methods.

Method: Total population sampling yielded a sample of 200 participants.

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Background: Angiosarcoma is a rapidly proliferating vascular tumor that originates in endothelial cells of vessels. Rarely, it can be associated with consumptive coagulopathy due to disseminated intravascular coagulation eventually leading to thrombocytopenia and microangiopathic hemolytic anemia. This specific manifestation is termed Kasabach-Merritt syndrome.

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The long non-coding RNA Growth Arrest-Specific 5 (GAS5) is pivotal in modulating key signaling pathways by functioning as a molecular sponge for microRNAs (miRNAs). GAS5 is notably recognized for its antitumor properties, primarily through its ability to sequester oncogenic miRNAs, thereby influencing critical pathways such as p53, Wnt/β-catenin, and PI3K/Akt, all of which are integral to cell proliferation, apoptosis, and metastasis. The disruption of GAS5-miRNA interactions has been implicated in various malignancies, reinforcing its potential as both a biomarker and a therapeutic target.

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Background: Appendicitis is a common surgical emergency in the pediatric population, affecting over 70,000 children per year in the United States alone. While historically practitioners predominately used computed tomography (CT) as the main diagnostic imaging modality, multiple professional societies have released guidelines recommending an ultrasound (US) first strategy when using imaging to confirm suspected appendicitis in pediatric populations. To date, no studies have quantified the change in imaging trends for pediatric appendicitis across the spectrum of healthcare facilities in the United States utilizing the Nationwide Emergency Department Sample (NEDS).

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Background: The impact of smoking on ulcerative colitis (UC) among Asian populations is controversial, and interactions between genetic factors and smoking are not well studied. We evaluated the association between smoking and UC and assessed interactions between smoking and family history.

Methods: Using the National Health Insurance database, we identified 5.

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The emergence of 6G networks promises ultra-high data rates and unprecedented connectivity. However, the effective utilization of the millimeter-wave (mmWave) as a critical enabler of foreseen potential in 6G, poses significant challenges due to its unique propagation characteristics and security concerns. Deep learning (DL)/machine learning (ML) based approaches emerged as potential solutions; however, DL/ML contains centralization and data privacy issues.

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Objectives: Dental health is integral to overall well-being, with early detection of issues critical for prevention. This research work focuses on utilizing artificial intelligence and deep learning-based object detection techniques for automated detection of common dental issues in orthopantomography x-ray images, including broken roots, periodontally compromised teeth, and the Kennedy classification of partially edentulous arches.

Methods: An orthopantomography dataset has been used to train several models employing various object detection architectures, hyperparameters, and training techniques.

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Nonmelanoma skin cancer (NMSC) represents the most prevalent form of skin cancer globally, with basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) being the most common types. The search for effective chemopreventive and therapeutic agents has led to the exploration of natural compounds, among which resveratrol (RES), a polyphenolic phytoalexin found in grapes, berries, peanuts, and red wine, has garnered significant attention. This comprehensive review aims to elucidate the effects of RES on NMSC, focusing on its mechanisms of action, efficacy in preclinical studies, and potential as a chemopreventive and therapeutic agent.

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Neural crest progenitor cells give rise to neuroblasts, the growing nerve cells of the sympathetic nervous system. These cells can undergo changes leading to neuroblastoma, a malignancy responsible for 15% of all pediatric cancer-related deaths. The molecular pathogenesis of this pediatric cancer involves complex genetic alterations, such as MYCN amplification, chromosomal abnormalities, and gene expression changes.

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Background: Evaluate the impact of chest X-ray (CXR) screening on mortality and treatment adherence by comparing pulmonary tuberculosis (PTB) cases detected through screening and those routinely diagnosed at healthcare facilities.

Methods: A retrospective analysis of 10% randomly sampled National Health Insurance Service claims data assessed PTB cases diagnosed during 2004-2020. Patients were categorized as 'screening-detected (ACF, active case finding)' or 'routinely detected (PCF, passive case finding)' based on CXR screening history.

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Article Synopsis
  • Acute bacterial cholangitis can lead to serious health issues, making timely antibiotic treatment and biliary decompression crucial for better patient outcomes.
  • The study at Shifa International Hospital analyzed 144 patients from July 2016 to June 2022, finding that E. coli was the most common bacteria identified in positive blood cultures, along with other organisms like Klebsiella pneumonia.
  • Significant antibiotic resistance was noted, with high levels of resistance to commonly used antibiotics, suggesting that previous antibiotic use in community hospitals may influence treatment effectiveness at referral centers.
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This study investigated the effect of Transcutaneous Electrical Nerve Stimulation (TENS) for fibromyalgia-like symptoms including chronic widespread musculoskeletal pain, fatigue, and/or gait impairment in twenty-five individuals with long-COVID. Participants were randomized to a high dose (intervention group, IG) or low dose (placebo group, PG) TENS device. Both groups received daily 3-5 h of TENS therapy for 4-weeks.

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Pediatric autoimmune neuropsychiatric disorders associated with or without streptococcal and other bacterial infections (PANDAS/CANS) are emerging as a featured pediatric disorder. Although there is some controversy regarding treatment approaches, especially related to the behavioral sequelae, we have hypothesized in other published work that it is characterized by the rapid onset of Reward Deficiency Syndrome (RDS) in children. We propose utilizing a multi-systems biological approach involving the coupling of genetic addiction risk testing and pro-dopamine regulation (KB220/POLYGEN) to help induce "dopamine homeostasis" in patients with PANDAS, especially those with known DNA-induced hypodopaminergia.

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  • PMMA resins, commonly used in medical and dental fields, are vulnerable to bacterial biofilm formation, which can lead to material degradation and increased infection risk.
  • In a study, the effects of Pseudomonas aeruginosa and Staphylococcus aureus biofilms on PMMA surfaces were examined over a 45-day incubation period, focusing on factors like biofilm adhesion, surface roughness, and hydrophobicity.
  • Results showed that biofilm exposure significantly altered PMMA surface properties, including increased roughness and hydrophobicity, suggesting a need for strategies to mitigate biofilm formation on these materials.
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Objective: This study investigated the effects of adding tricalcium silicate nanoparticles (TCSNp) to the universal G2 bond adhesive (G2BU) in self-etch (SE) mode on shear bond strength (SBS) to orthodontic brackets, cytotoxicity, and degree of conversion (DC).

Material And Methods: A total of 176 human teeth were divided into four groups based on TCSNp concentration in G2BU adhesive: 0% (control), 1%, 3%, and 5%. The G2BU adhesive consists of a hydrophilic primer (P) and a hydrophobic bonding agent (2B).

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Article Synopsis
  • - Parkinson's disease (PD) is a progressive neurological condition leading to both motor symptoms (like tremors and stiffness) and non-motor symptoms that affect daily living, with an increasing prevalence, especially in older populations.
  • - A review of treatment options for PD shows an uptick in research since 2000, peaking from 2011 to 2016, with significant contributions from the U.S., China, Canada, and the U.K.
  • - The study used a bibliometric analysis of over 3,700 PD publications to identify key researchers, trends in pharmacological therapies, and the impact of major institutions on current research and treatment methodologies.
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The environmental fate and risks associated with tire wear particles (TWPs) are closely linked to their biogeochemical behaviors. However, reviews that focus on TWPs from this perspective remain scarce, hindering our understanding of their environmental fate and cascading effects on ecosystems. In this review, we summarize the existing knowledge on TWPs by addressing five key areas: (i) the generation and size-dependent distribution of TWPs; (ii) the release and transformation of TWP-leachates; (iii) methodologies for the quantification of TWPs; (iv) the toxicity of TWPs; and (v) interactions of TWPs with other environmental processes.

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  • The study aimed to gather insights from postgraduate prosthodontic trainees and their supervisors about the quality of education and clinical training in Pakistan.
  • Conducted at Aga Khan University Hospital between May and October 2021, data was collected through a survey on various training aspects and analyzed using statistical software.
  • Results indicated mixed satisfaction levels among trainees regarding their training experiences, highlighting the necessity for better regulation and monitoring of the education and induction processes in prosthodontics.
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  • Stem cell therapy is an exciting area of medicine that could change how we treat cancer and brain diseases.
  • Scientists are looking at special cells called Mesenchymal Stem Cells (MSCs), which can help either grow or fight tumors, and how they release tiny particles called exosomes that affect cancer growth.
  • Genetic changes to stem cells might help deliver medicine directly to tumors, making this therapy promising for healing and managing diseases in the future.
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The rapid evolution of power electronics has triggered an intensified focus on thermal management within electronics circuits, stemming from the critical necessity to mitigate thermal-related failure rates. Thermal management in power electronics circuits relies heavily on efficient heat transfer to prevent overheating of components and ensure their reliable operation, optimal performance, and safety. To facilitate the effective heat transfer, a thermal interface material (TIM) is utilized between switching components such as MOSFETs and heat sinks to improve surface contact, which increases heat transfer.

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