Publications by authors named "Kannan B"

Head and neck squamous cell carcinoma (HNSCC) is genetically complex and difficult to treat. Detection in the early stage is challenging, leading to diagnosis at advanced stages with limited treatment options. This study examined the collagen triple helix repeat containing 1 gene (CTHRC1) as a potential biomarker and therapeutic target in HNSCC.

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Background: Oral squamous cell carcinoma (OSCC) is one of the most prevalent oral cancers in the world. The major etiological factors are considered to be tobacco and alcohol. However, the etiological factors for non-habit associated oral squamous cell carcinoma (NHOSCC) remains an enigma.

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  • Drones are improving nutrient management by allowing precise spraying techniques, which are especially important under climate change.
  • Current research focuses on optimizing various parameters like flight height, pressure, and nozzle configuration to enhance spray efficiency and reduce waste.
  • The study found that a hover height of 2.0 meters provided the best spray uniformity and distribution, showing the effectiveness of careful drone operation in agricultural practices.
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In human breast cancer the mitochondrial translocator protein (TSPO) aids pro-survival cellular response by facilitating the formation of mitochondrial contact sites with the nucleus termed Nucleus Associated Mitochondria (NAM). Here, we show that TSPO positively associates with the aggressiveness of tissues and cells isolated from Canine Mammary Tumours (CMTs). TSPO is also readily upregulated in reprogrammed mammary tumour cells following long-term deprivation of oestrogen or exposure to the endocrine chemotherapeutic (ET) agent Tamoxifen.

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  • * The research analyzed 72 cases of angiosarcoma, highlighting overexpressed genes in chemoresistant cases and identifying significant signaling pathway enrichments related to immune responses.
  • * Key findings suggest that certain gene overexpressions are linked to lower chemotherapy sensitivity and poorer survival outcomes, indicating their potential as biomarkers for chemoresistance in angiosarcoma.
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Periodontitis, a prevalent inflammatory disease, involves the destruction of tooth-supporting tissues. N6-methyladenosine (m6A) is a type of post-transcriptional modification that significantly influences gene and protein expression. It is involved in the regulation of various diseases, including those with an inflammatory component.

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Objective: This study aimed to investigate the role of a novel m6A and cell cycle regulator YWHAG in oral squamous cell carcinoma (OSCC) by analyzing its expression and functional implications.

Design: Tumor samples (n = 51) and adjacent non-tumor samples (n = 38) were collected from patients with OSCC, and cell lines were processed. YWHAG mRNA expression was assessed using quantitative reverse transcription PCR (RT-qPCR) analysis.

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Background Triggering receptor expression on myeloid cells-1 (TREM1) belongs to the immunoglobulin superfamily and is implicated in various conditions, including infectious and non-infectious diseases, autoimmune disorders, and cancer. Notably, TREM1 is significantly dysregulated in numerous cancer types. However, the underlying mechanism driving TREM1 mRNA expression in cancers remains unclear.

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Background: Biotinidase deficiency (BD) is a rare, autosomal recessive metabolic disorder characterized by neurocutaneous symptoms. This study investigates a case of profound BD in an Indian infant and the underlying genetic basis.

Methods: A 10-month-old male presenting with seizures, hypotonia, ataxia, visual impairments, and developmental delay underwent biochemical and genetic analysis.

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Objective: To investigate the potential role of a novel m6A RNA regulator, Insulin-like Growth Factor-2 mRNA-binding protein 1 (IGF2BP1), in periodontal disease pathogenesis.

Materials And Methods: Gingival tissue samples from 60 periodontitis patients and 60 healthy individuals were analyzed for IGF2BP1 mRNA and protein expression real-time quantitative PCR (RT-qPCR) and Western blotting. Additionally, Lipopolysaccharide (Pg-LPS) -induced human gingival fibroblasts (HGFs) were evaluated for IGF2BP1 and proinflammatory cytokine expression.

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  • - Angiosarcoma is a rare cancer that arises from blood vessels and has a wide range of characteristics, making it hard to treat and understand.
  • - Current treatments, including targeted therapies and immunotherapy, have had only limited success due to the cancer's heterogeneous nature and the absence of reliable drug targets and biomarkers.
  • - The review focuses on exploring the molecular and immune features of angiosarcoma, looking at how different subtypes can be categorized, and suggests new technologies that could enhance our understanding and treatment of this and other rare cancers.
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Stomata regulate CO2 and water vapor exchange between leaves and the atmosphere. Stomata are a target for engineering to improve crop intrinsic water use efficiency (iWUE). One example is by expressing genes that lower stomatal density (SD) and reduce stomatal conductance (gsw).

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  • * Key findings included identifying high-yielding and stable genotypes (G1, G25, G3, G27) that outperformed the parent strain, with yield advantages ranging from 28.68% to 42.99%.
  • * Nutritional analysis indicated variations in macronutrient levels, strong positive correlations between yield and protein, and highlighted the potential of G1 and G25 for specific food products like pastries and weaning foods, respectively.
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Background: Emerging research has identified the N6-methyladenosine (m6A) modification and its regulatory enzymes, including methyltransferase 5 (METTL5), as critical players in cancer biology. However, the role of METTL5 in oral squamous cell carcinoma (OSCC) remains poorly understood.

Materials And Methods: We conducted a comprehensive study to investigate the expression and implications of METTL5 in OSCC.

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Objective: Disrupted brain network connectivity underlies major depressive disorder (MDD). Altered EEG based Functional connectivity (FC) with Emotional stimuli in major depressive disorder (MDD) in addition to resting state FC may help in improving the diagnostic accuracy of machine learning classification models. We explored the potential of EEG-based FC during resting state and emotional processing, for diagnosing MDD using machine learning approach.

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  • Extramammary Paget's disease (EMPD) is a rare skin cancer that mostly occurs in areas with many apocrine glands, like the vulva and scrotum, and the study aims to connect clinical data with genetic analysis of aggressive EMPD that responds to HER2-targeted treatments.
  • Immunohistochemical analysis showed HER2 overexpression in tumors, and whole genome sequencing revealed significant copy number gains on chromosomes 7 and 8, particularly in genes associated with cancer, although the ERBB2 gene did not show high gains despite many tumor cells being HER2-positive.
  • The analysis indicates that there are alternative signaling pathways involved, suggesting that these pathways may interact with HER2 signaling, contributing to the cancer's
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Objective: To address the molecular markers linked to the development and progression of oral squamous cell carcinoma (OSCC), we sought to analyze the expression of vasodilator-stimulated phosphoproteins (VASP) in OSCC samples.

Study Design: This study used 51 OSCC patients and The Cancer Genome Atlas-Head and Neck Squamous Cell Carcinoma (TCGA-HNSC) dataset to analyze VASP expression. The association between VASP mRNA expression and HNSCC clinicopathological features, tumor infiltration, functional roles, and gene co-expression of VASP also were evaluated.

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Sugarcane (Saccharum spp. hybrid) is a prime feedstock for commercial production of biofuel and table sugar. Optimizing canopy architecture for improved light capture has great potential for elevating biomass yield.

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Background/purpose: Smoking is a major contributor to global oral cancer cases, necessitating urgent intervention. FOXD1, involved in developmental processes and various cancers, shows promise as a prognostic marker in oral squamous cell carcinoma (OSCC). This study investigates the impact of waterpipe smoke condensate (WPSC) on OSCC, focusing on FOXD1 role in inducing epithelial-mesenchymal transition (EMT) and metastasis.

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Membrane contact sites (MCS) between mitochondria and the nucleus have been recently described. Termed nucleus associated mitochondria (NAM), they prime the expression of genes required for cellular resistance to stressors, thus offering a tethering mechanism for homeostatic communication. Here, we discuss the composition of NAM and their physiological and pathological significance.

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Abnormal expression of SEC14L2 has been implicated in many human cancers. However, the role of SEC14L2 in oral squamous cell carcinoma (OSCC) remains unclear. Therefore, this study aimed to evaluate the expression and prognostic roles of SEC14L2 in OSCC.

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An experimental study was conducted to assess the detrimental effect of ground-level ozone (O) on garlic physiology and to find out appropriate control measures against ground-level O, at TNAU-Horticultural Research farm, Udhagamandalam. Elevated ground ozone levels significantly decreased garlic leaf chlorophyll, photosynthetic rate, stomatal conductance, total soluble solids and pungency. The garlic chlorophyll content was highest in ambient ozone level and lowest in elevated ozone@200 ppb, highest stomatal conductance was recorded in ambient ozone with foliar spray of 3%Panchagavya, and the lowest was observed in elevated ozone@200 ppb.

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Objective: The objective of this study is to investigate the significance and impact of Triggering Receptor Expression on Myeloid Cells-1 (TREM-1) in the context of oral squamous cell carcinoma (OSCC).

Methods: This study involved 51 OSCC patients, 21 oral epithelial dysplasia patients (OED), and the TCGA-HNSCC dataset. TREM1 expression was analyzed using quantitative reverse transcription PCR (RT-qPCR), and Western blot.

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Background/purpose: Head and neck squamous cell carcinoma (HNSCC) is the sixth leading cause of cancer-related death worldwide and contributes significantly to the burden of disease in South Asia, partially due to the lack of effective screening strategies. Identifying essential biomarkers is crucial for improved prognosis and treatment. This study investigates the potential of SERPINH1 as a prognostic marker in HNSCC, highlighting its significance amidst the molecular complexity.

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