Publications by authors named "Sameer Ahmad Guru"

Intravenous infusion has been used as the method of cell delivery in many preclinical studies as well as in some early clinical trials. Among its advantages are broad distribution, ability to handle a large-volume infusion, and ease of access. Progenitor cells used in cell-based therapy act through their secretomes, rather than their ability to differentiate into lineage-specific cell type.

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Article Synopsis
  • - The study investigates the potential of miR-155-5p and miR-1246 as diagnostic and prognostic biomarkers in Oral Squamous Cell Carcinoma (OSCC) among the Indian population, highlighting the lack of research in this area.
  • - A total of 50 confirmed OSCC cases were analyzed, showing that miR-155-5p and miR-1246 were significantly upregulated in cancer tissues compared to normal controls, with miR-1246 showing better diagnostic accuracy based on receiver operating curve analysis.
  • - The findings suggest that both miRNAs are associated with key clinicopathological factors in OSCC, with miR-1246 linked to increased tumor size and other severity indicators
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Background: Altered levels of miRNAs might affect the pathogenesis of oral squamous cell carcinoma (OSCC) and oral potentially malignant disorders (OPMD). This study evaluated the diagnostic potential of salivary miRNA-21 and miRNA-184 in OSCC and OPMD.

Methods: We recruited a total of 90 subjects including OSCC, OPMD, and healthy controls.

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Stem cell therapy provides a hope to no option heart disease patient group. Stem cells work via different mechanisms of which paracrine mechanism is reported to justify most of the effects. Therefore, identifying the control arms for paracrine cocktail production is necessary to tailor stem cell functions in disease contextual manner.

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We generated a new iPSC line (LCHi003-A) from the pediatric dilated cardiomyopathy patient carrying the de novo mutation on DNM1L gene. The new iPSC line expressed high pluripotent markers and were capable to differentiate into trilineage.

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Human phospholipase A group IIa (sPLAIIa) is an inflammatory enzyme that plays a significant role in tumorigenesis. Inhibiting the sPLAIIa enzyme with an effective molecule can reduce the inflammatory response and halt cancer progression. The present study evaluates quercitrin, a biflavonoid, for sPLAIIa inhibition and anticancer activity.

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Background: Despite promising results in clinical studies, the mechanism for the beneficial effects of allogenic cell-based therapies remains unclear. Macrophages are not only critical mediators of inflammation but also critical players in cardiac remodeling. We hypothesized that transplanted allogenic rat cardiac progenitor cells (rCPCs) augment T-regulatory cells which ultimately promote proliferation of M2 like macrophages by an as-yet undefined mechanism.

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Background: There is strong evidence that disease progression, drug response and overall clinical outcomes of CML disease are not only decided by BCR/ABL1 oncoprotein but depend on accumulation of additional genetic and epigenetic aberrations. DNA hydroxymethylation is implicated in the development of variety of diseases. DNA hydroxymethylation in gene promoters plays important roles in disease progression, drug response and clinical outcome of various diseases.

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: The aim of this review and meta-analysis was to identify, assess, meta-analyze and summarize the comparative effectiveness and safety of filgrastim in head-to-head trials with placebo/no treatment, pegfilgrastim (and biosimilar filgrastim to update advances in the field. : The preferred reporting items for systematic reviews and meta-analyses PRISMA statement were applied, and a random-effect model was used. Primary endpoints were the rate and duration of grade 3 or 4 neutropenia, and an incidence rate of febrile neutropenia.

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Background: MicroRNAs (miRNAs) have been observed to exhibit altered expression patterns in chronic myeloid leukemia (CML). Therefore, this study was aimed to evaluate the clinical importance of miR-126 and miR-122 expression in concert to imatinib response in CML patients.

Methods: The present study included 100 CML and 100 healthy subjects.

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MicroRNA miR-486-5p has been reported as a potential biomarker for diagnosis, prognosis, and as a therapeutic target in various cancers. In this study, we analyzed alterations in the expression of miR-486-5p in chronic Myeloid Leukemia (CML) patients. Initially, the expression of miR-486-5p was studied in the BCR-ABL1+ve CML K562 cell line by quantitative real-time polymerase chain reaction (qRT-PCR).

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One of the emerging treatment strategies for cancer particularly for haematological malignancies is natural killer (NK) cell therapy. However, the availability of a best approach to maximize NK cell anticancer potential is still awaited. It is well established that cytokine-induced memory-like NK cells have the potential to differentiate after a short period of preactivation with interleukins-IL-12, IL-15, and IL-18 and exhibit increased responses to cytokine or activating receptor restimulation for weeks to months after preactivation.

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Background: Chronic myeloid leukaemia (CML) is a myeloproliferative disorder categorized by malignant transformation of a single stem cell of hematopoietic cells. microRNAs (miRNAs) belong to transcription regulators in hematopoiesis and their altered expression associates with pathogenesis of CML. Aim: Current study aimed to access the miR-21 expression profile in CML patients and therapy response as well as its prognostic significance.

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The influence of Estrogen Receptor 1 (ESR1) gene -397T>C (PvuII) and -351A>G (XbaI) polymorphisms on the risk of development of coronary artery disease (CAD) in the north Indian population was analysed. We hypothesized that ESR1 gene polymorphisms may influence the susceptibility to CAD through variation in Estrogen Receptor α (ERα) expression. To assess this concept, we evaluated ERα mRNA expression in blood plasma of CAD patients.

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Background: Epithelial ovarian cancer continues to be a deleterious threat to women as it is asymptomatic and is typically detected in advanced stages. Cogent non-invasive biomarkers are therefore needed which are effective in apprehending the disease in early stages. Recently, miRNA deregulation has shown a promising magnitude in ovarian cancer tumorigenesis.

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GABA has always been an inviting target in the etiology and treatment of epilepsy. The GABRA1, GABRG2, and GABRD genes provide instructions for making α1, ϒ2, and δ subunits of GABAA receptor protein respectively. GABAA is considered as one of the most important proteins and has found to play an important role in many neurological disorders.

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Platelet-derived growth factor receptor has been implicated in many malignant and non-malignant diseases. Platelet-derived growth factor receptor-α is a tyrosine kinase and a side target for imatinib, a revolutionary drug for the treatment of chronic myeloid leukemia that has dramatically improved the survival of chronic myeloid leukemia patients. Given the importance of platelet-derived growth factor receptor in platelet development and its inhibition by imatinib, it was intriguing to analyze the role of platelet-derived growth factor receptor-α in relation to imatinib treatment in the development of imatinib-induced thrombocytopenia in chronic myeloid leukemia patients.

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