Publications by authors named "Priyanka Priyadarshini"

Background: Deep cerebral venous thrombosis (DCVT) is an uncommon cause of stroke with diverse predisposing factors, clinical presentations, imaging findings, and functional outcomes, which makes the diagnosis of DCVT even more challenging.

Materials And Methods: Retrospective observational study (December 2018 to January 2023). Cases with imaging data suggestive of DCVT were included.

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The ternary ZnInS has recently gained significant attention due to its potential applications in various optoelectronics and photocatalysis sectors. In the current study, ZnInS nanoparticles were prepared using a simple microwave-assisted synthesis method with different irradiation powers varying from 180 W-720 W. Structural analysis confirmed their polycrystalline nature with the appearance of ZnInS and InS phases.

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Portable clean water consumption is the basic right of every individual. The major global concern is water pollution which can cause mortality. Change in physicochemical characteristics in drinking water is not only a pollution problem, but the presence of antibiotic-resistant microbes is also a significant issue.

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Chalcogenide thin films have been investigated and explored in the last several decades to widen their use in optical, electronic, and optoelectronic device sectors. The phenomenon corresponding to different induced stimuli effects, doping foreign elements is the most productive and efficient way to improve their structural ability, optical characteristics, and electronic approaches. Based on that, metal doping has an enormous impact on the aspects and understanding of the mechanism inside the matrix.

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Glioblastoma (GB), an aggressive primary tumor of the central nervous system, represents about 60% of all adult primary brain tumors. It is notorious for its extremely low (~5%) 5-year survival rate which signals the unsatisfactory results of the standard protocol for GB therapy. This issue has become, over time, the impetus for the discipline of bringing novel therapeutics to the surface and challenging them so they can be improved.

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Distal arthrogryposis type 5D (DA5D), a rare autosomal recessive disorder, is caused by mutations in We describe two consanguineous families (three patients) with novel gene mutations detected by next-generation sequencing (NGS). A 12-year-old boy (patient 1) presented with birth asphyxia, motor developmental delay, multiple joint contractures, pes planus, kyphoscoliosis, undescended testis, hypophonic speech with a nasal twang, asymmetric ptosis, facial weakness, absent abductor pollicis brevis, bifacial, and distal lower limb weakness. Muscle MRI revealed asymmetric fatty infiltration of tensor fascia lata, hamstring, lateral compartment of the leg, and gastrocnemius.

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Background And Purpose: Rabies encephalitis is a near-fatal zoonotic disease that is usually diagnosed on clinical grounds in conjunction with characteristic history. Owing to its rapidly progressive nature, imaging is seldom performed, and hence a description of imaging findings in rabies encephalitis is anecdotal and limited.

Methods: We describe MRI findings in eight confirmed rabies cases that presented to our institute over the last 21 years.

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KdsC, the third enzyme of the 3-deoxy-D-manno-octulosonic acid (KDO) biosynthetic pathway, catalyzes a substrate-specific reaction to hydrolyze 3-deoxy-D-manno-octulosonate 8-phosphate to generate a molecule of KDO and phosphate. KdsC is a phosphatase that belongs to the C0 subfamily of the HAD superfamily. To understand the molecular basis for the substrate specificity of this tetrameric enzyme, the crystal structures of KdsC from Moraxella catarrhalis (Mc-KdsC) with several combinations of ligands, namely metal ion, citrate and products, were determined.

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A decade since the availability of Mycobacterium tuberculosis (Mtb) genome sequence, no promising drug has seen the light of the day. This not only indicates the challenges in discovering new drugs but also suggests a gap in our current understanding of Mtb biology. We attempt to bridge this gap by carrying out extensive re-annotation and constructing a systems level protein interaction map of Mtb with an objective of finding novel drug target candidates.

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A novel series of thaizole and oxazole containing phenoxy acetic acid derivatives is reported as PPAR-pan agonists. Incorporation of structurally constrained oxime-ether based linker in the chemotype of a potent PPARδ selective agonist GW-501516 was adapted as designing strategy. In vitro, selected test compounds 12a, 12c, 17a and 18a showed PPAR-pan agonists activities and among these four compounds tested, 12a emerged as highly potent and efficacious compound, while 17a exhibited moderate and balanced PPAR-pan agonistic activity.

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A novel series of oxime containing benzyl-1,3-dioxane-r-2-carboxylic acid derivatives (6a-k) were designed as selective PPARα agonists, through bioisosteric modification in the lipophilic tail region of PPARα/γ dual agonist. Some of the test compounds (6a, 6b, 6c and 6f) showed high selectivity towards PPARα over PPARγ in vitro. Further, highly potent and selective PPARα agonist 6c exhibited significant antihyperglycemic and antihyperlipidemic activity in vivo, along with its improved pharmacokinetic profile.

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Bis-oximinoalkanoic acid derivatives were designed and synthesized to aid in the characterization of selective PPARalpha agonists by replacing the oxazole ring with flexible oximino group in the lipophilic tail part of a previously reported compound 3. Selected compounds 9d and 9m showed excellent potency and high selectivity towards PPARalpha in vitro. These compounds found effective in reducing serum triglycerides (TG) in vivo.

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