Publications by authors named "Ghatak S"

Context: Interprofessional education (IPE) is crucial in promoting a better understanding of collaborative practices within the healthcare system. Unfortunately, healthcare professionals are still working in isolation. To address this issue, a study was conducted to develop a module-based teaching and learning activity focusing on sports injuries and to promote IPE.

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  • - Tissue nanotransfection (TNT) uses plasmids (Etv2, Foxc2, and Fli1) to enhance the formation of vasculogenic fibroblasts (VF) in ischemic skin of mice, promoting new blood vessel growth.
  • - In vitro studies show that human dermal fibroblasts exhibit increased endothelial gene expression upon EFF nanoelectroporation, with a link to higher ten-eleven translocase (TET) expression.
  • - The study demonstrates that TET activation is crucial for VF development in diabetic ischemic limbs, facilitating blood flow restoration and improved wound healing, especially since TET levels are usually lower in diabetic conditions.
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and are recognized as emerging pathogens with zoonotic potential. Despite their increasing importance, there is a paucity of data on the cytotoxicity of these two pathogens. Therefore, in the present study, we investigated the cytotoxic potentials of the cell-free supernatants from 10 and 15 isolates for their cytotoxic effects on four different cell lines (CHO, Vero, HeLa, and MDCK).

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During routine dissection, we observed a unique case of unilateral polydactyly in the left foot of a 61-year-old male cadaver. We observed the medial head of the quadratus plantae (QP) muscle, which gave off an additional tendinous slip before joining the lateral head of QP. The 4th tendon of the flexor digitorum longus (FDL) was bifurcated into two tendinous parts after receiving a thin fibrous slip from the tendinous slip of the medial head of QP.

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Background: During neurosurgeries like corpus callosotomy (palliative procedure performed in case of intractable seizures) surgical separation of corpus callosum is required. In order to perform the surgical separation of corpus callosum, one needs to have complete knowledge about anatomy and morphometry of corpus callosum. The current study was carried out in order to establish the normative data about morphometry of corpus callosum across various age groups.

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  • This study highlights the role of macrophage-derived exosomes, particularly those enhanced with the protein TOMM70, in supporting keratinocyte function during the early stages of wound healing.* -
  • TOMM70 helps maintain mitochondrial function in leading-edge keratinocytes by compensating for depleted proteins during hypoxic conditions, which is vital for their energy needs and migration.* -
  • Disruption of exosome uptake impedes wound healing and maintains inflammation, suggesting that effective communication between keratinocytes and macrophages is crucial for recovery, especially in patients with chronic wounds.*
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Background: Metopic suture is a dense fibrous joint extending from nasion to bregma. Normally, closure of this suture takes place between 1-8 years of age. Failure of this closure beyond 8 years leads to persistent metopic suture.

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  • This study focuses on the genomics of zoonotic foodborne pathogens originating from pigs, highlighting the limited knowledge in this area.
  • Researchers analyzed pig-derived genomes alongside existing data to explore their genetic features, virulence, resistance, and phylogenomic relationships.
  • Findings show that most pig isolates belong to a specific clonal complex, with a significant presence of antibiotic resistance genes and a diverse set of mobile genetic elements, indicating potential public health implications.
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Wound healing, an intricate biological process, comprises orderly phases of simple biological processed including hemostasis, inflammation, angiogenesis, cell proliferation, and ECM remodeling. The regulation of the shift in these phases can be influenced by systemic or environmental conditions. Any untimely transitions between these phases can lead to chronic wounds and scarring, imposing a significant socio-economic burden on patients.

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MEF2C is a critical transcription factor in neurodevelopment, whose loss-of-function mutation in humans results in MEF2C haploinsufficiency syndrome (MHS), a severe form of autism spectrum disorder (ASD)/intellectual disability (ID). Despite prior animal studies of MEF2C heterozygosity to mimic MHS, MHS-specific mutations have not been investigated previously, particularly in a human context as hiPSCs afford. Here, for the first time, we use patient hiPSC-derived cerebrocortical neurons and cerebral organoids to characterize MHS deficits.

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Colorectal cancer (CRC) remains a significant global health burden with high incidence and mortality. MicroRNAs (miRNAs) are small non-protein coding transcripts, conserved throughout evolution, with an important role in CRC tumorigenesis, and are either upregulated or downregulated in various cancers. RNA-binding proteins (RBPs) are known as essential regulators of miRNA activity.

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The landscape of exosome research has undergone a significant paradigm shift, with a departure from early conceptions of exosomes as vehicles for cellular waste disposal towards their recognition as integral components of cellular communication with therapeutic potential. This chapter presents an exhaustive elucidation of exosome biology, detailing the processes of exosome biogenesis, release, and uptake, and their pivotal roles in signal transduction, tissue repair, regeneration, and intercellular communication. Additionally, the chapter highlights recent innovations and anticipates future directions in exosome research, emphasizing their applicability in clinical settings.

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Of all the numerous nanosized extracellular vesicles released by a cell, the endosomal-originated exosomes are increasingly recognized as potential therapeutics, owing to their inherent stability, low immunogenicity, and targeted delivery capabilities. This review critically evaluates the transformative potential of exosome-based modalities across pharmaceutical and precision medicine landscapes. Because of their precise targeted biomolecular cargo delivery, exosomes are posited as ideal candidates in drug delivery, enhancing regenerative medicine strategies, and advancing diagnostic technologies.

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The study of extracellular vesicles (EVs), especially exosomes, has unlocked new avenues in understanding cellular communication and potential therapeutic applications. Advancements in EV research have shown significant contributions from the International Society for Extracellular Vesicles (ISEV), in establishing methodological standards. The evolution of the Minimal Information for Studies of Extracellular Vesicles (MISEV) guidelines from 2014 to 2023 reflects enhanced research rigor and reproducibility.

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  • A new method was created to analyze extracellular vesicles (EVs) in bovine milk by using serial-pelleting purification combined with mass spectrometry to identify differences in EV populations.
  • Different speeds of ultracentrifugation helped separate large EVs (>200 nm) from small EVs (<200 nm), leading to the discovery of 476 proteins, with 340 tied to vesicular components.
  • Findings showed that a greater number of proteins were enriched in large EVs, with specific protein types indicating their origins, thus offering potential new marker proteins for distinct vesicle populations.
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Standard single-cell (sc) proteomics of disease states inferred from multicellular organs or organoids cannot currently be related to single-cell physiology. Here, a scPatch-Clamp/Proteomics platform is developed on single neurons generated from hiPSCs bearing an Alzheimer's disease (AD) genetic mutation and compares them to isogenic wild-type controls. This approach provides both current and voltage electrophysiological data plus detailed proteomics information on single-cells.

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Background: Utilization of maternal healthcare services has a direct bearing on maternal mortality but is contingent on a wide range of socioeconomic factors, including the sex of the household head. This paper studies the role of the sex of the household head in the utilization of maternal healthcare services in India using data from the National Family Health Survey-V (2019-2021).

Methods: The outcome variable of this study is maternal healthcare service utilization.

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  • * A new diagnostic method called single-tube nested PCR (STN-PCR) has been developed to detect the virus, using specially designed primers for better sensitivity and lower contamination risks.
  • * The STN-PCR assay showed a 100-fold improvement in detecting the virus compared to traditional methods, successfully identifying 100 copies of ASFV genomic DNA, and demonstrated 100% specificity with strong agreement with existing assays.
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  • Oestrogen receptor alpha (ERα) is normally low in healthy colon tissue but is upregulated in colon cancer, indicating a possible role in colorectal cancer (CRC) progression.
  • In a study of 351 CRC patients, positive ERα expression was linked to poorer prognosis and correlated with tumor-promoting factors such as CysLTR and nuclear β-catenin.
  • Experimental models showed that ERα activation enhances tumor cell survival and metastasis, suggesting its potential as a prognostic marker and therapeutic target in CRC.
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 Drilling in neurosurgery is an integral part of surgical exposure, especially in skull base approaches and craniovertebral junction (CVJ) surgeries. Most of such drillings are done in close proximity to the neurovascular structures in skull base surgeries and cervical-medullary junction or facet/pedicle in CVJ surgeries. Reluctance to drilling among young neurosurgeons is due to less hands-on experience during training and also, in the early part of the career, due to fear of injury to neurovascular structures.

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Toxoplasma gondii and Trichinella spp. are critical tissue-dwelling foodborne zoonotic parasites associated with pork consumption and pig rearing. Despite being a major pig-rearing region in the country, Northeastern India has not undergone any investigation regarding the presence of T.

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An interesting case of unusual unilateral variant of palmaris longus (PL) tendon of forearm was noticed by us. We found two bellies of PL as well as their different insertions. These observations will help in understanding morphological variations of this muscle and its clinical implications.

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