Publications by authors named "Shrivastava A"

Rhino-orbito-cerebral mucormycosis (ROCM) is a life-threatening addition to the COVID-19 disease spectrum and is caused by an angioinvasive saprophytic opportunistic fungus. Early diagnosis is important to avoid disease spread and mortality. Contrast-enhanced magnetic resonance imaging plays a major role in detection of intraorbital and intracranial extension.

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The 'inverse problem' of mass spectrometric molecular identification ('given a mass spectrum, calculate/predict the 2D structure of the molecule whence it came') is largely unsolved, and is especially acute in metabolomics where many small molecules remain unidentified. This is largely because the number of experimentally available electrospray mass spectra of small molecules is quite limited. However, the forward problem ('calculate a small molecule's likely fragmentation and hence at least some of its mass spectrum from its structure alone') is much more tractable, because the strengths of different chemical bonds are roughly known.

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Unlabelled: LncRNAs (long noncoding RNAs) are 200 bp length crucial RNA molecules, lacking coding potential and having important roles in regulating gene expression, particularly in response to abiotic stresses. In this study, we identified salt stress-induced lncRNAs in chickpea roots and predicted their intricate regulatory roles. A total of 3452 novel lncRNAs were identified to be distributed across all 08 chickpea chromosomes.

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Alzheimer's disease is a cerebrovascular disorder characterized by progressive loss of the mental capabilities. The novel therapeutic agent piracetam is a cyclic derivative of γ-aminobutyric acid and one of the oldest recognized synthetic nootropics. Piracetam improves cognitive function without stimulation or sedation.

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Cancer is known to have systemic impact by targeting various organs that ultimately compromises the overall physiology of the host. Several reports have demonstrated the role of neutrophils in cancer wherein the focus has been drawn on the elevated neutrophil count in blood or at tumor loci. However, their role in mediating systemic effects during cancer progression has not been deciphered so far.

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Although malaria related cases and deaths have consistently declined over time, growing resistance to existing anti-malarial drugs in remains a matter of extreme concern. Since we rely so heavily on use of chemotherapy for malaria treatment and knowing that all the available anti-malarial drug will become virtually useless in the near future, we have to increase our understanding of basic biology of the parasite as well as characterize new molecular targets that can be exploited for anti-malarial therapy. In the present study, PfRUVBLs (AAA family member proteins) were evaluated for their potential as novel anti-malarial drug target candidates, using computational approaches.

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Background: Mothers with children with ASD, often being primary caregivers, experience high levels of parenting stress and hold essential information about their children's wellbeing. There is however lack of information about their experiences in the UAE.

Aims: The study aims to explore challenges and support structures of mothers with children with ASD in the UAE.

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The prion protein (PrP) is a central player in neurodegenerative diseases, such as prion diseases or Alzheimer’s disease. In contrast to disease-promoting cell surface PrP, extracellular fragments act neuroprotective by blocking neurotoxic disease-associated protein conformers. Fittingly, PrP release by the metalloprotease ADAM10 represents a protective mechanism.

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Article Synopsis
  • - The study explored how environmental factors affect child health in rural Pakistan, particularly focusing on acute respiratory infections (ARIs), diarrhea, and growth, using geographical information systems (GIS) technology.
  • - Data from 416 children revealed that those living closer to secondary hospitals and Maternal Health Centers (MHCs) experienced lower rates of ARIs and diarrhea compared to those near primary healthcare facilities.
  • - The findings suggest that distance to healthcare facilities significantly impacts disease prevalence, indicating potential gaps in public policy that could improve health outcomes in rural areas.
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Background And Aims: Tracheostomy is a commonly performed procedure in critically ill patients because patients requiring chronic mechanical ventilation (MV) are rising by as much as 5.5% per year. The controversy on likely benefits of early versus late tracheostomy is ongoing.

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Plants produce interesting secondary metabolites that are a valuable source of both medicines for human use, along with significant advantages for the manufacturer species. The active compounds which lead to these instrumental effects are generally secondary metabolites produced during various plant growth phases, which provide the host survival advantages while affecting human health inadvertently. Different chemical classes of secondary metabolites are biosynthesized by the plant type III polyketide synthases (PKSs).

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Egocentric vision holds great promise for increasing access to visual information and improving the quality of life for blind people. While we strive to improve recognition performance, it remains difficult to identify which object is of interest to the user; the object may not even be included in the frame due to challenges in camera aiming without visual feedback. Also, gaze information, commonly used to infer the area of interest in egocentric vision, is often not dependable.

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Article Synopsis
  • Hematoxylin and Eosin (H&E) stained Whole Slide Images (WSIs) can vary in appearance due to differences in staining processes across laboratories, which may cause bias in diagnostic assessments.
  • Traditional stain normalization methods can reduce human bias, but deep learning models often struggle to generalize due to their inability to adapt beyond simple linear transformations.
  • The proposed Self-Attentive Adversarial Stain Normalization (SAASN) method utilizes a generative adversarial framework with a self-attention mechanism to effectively standardize stain appearances while maintaining the integrity of biopsy features, outperforming other normalization techniques.
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Background: We performed a retrospective study of 67 patients and their data for radiological investigations by serial Xrays, computed tomography, magnetic resonance imaging, uniform surgical procedure of craniotomy. The results were analyzed to determine the natural course of the disease, anatomical changes at various intervals following trauma, and outcome of surgical procedure in terms of cranial reconstruction, seizures, and progress in neurological deficit.

Results: Among 67 patients, 34 (50.

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Introduction Atrial fibrillation and mitral stenosis, especially in combination, increase the risk of left atrial thrombus formation and systemic embolization. However, whether severe mitral regurgitation (MR) improves systemic hypercoagulable state in these patients is unclear. remains unclear.

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Resistance to Tamoxifen constitutes a major therapeutic challenge in treating hormone sensitive breast cancer. The induction of autophagy has been shown to be involved as one of the mechanism responsible for Tamoxifen resistance. Autophagy related gene (ATG) members are the regulators and effectors of Macroautophagy process in the cellular systems.

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Background And Objectives: Hematinic deficiency irrespective of anemia is not uncommon in patients with heart failure. We studied the prevalence, distribution, and etiology of anemia in patients with heart failure with reduced ejection fraction (HFrEF) and compared it with non-anemic patients.

Methods: Congestive heart failure (CHF) was diagnosed by modified Framingham criteria and ejection fraction (EF) <40%.

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Purpose: To evaluate performance and assessments by expert surgeons tasked to create a continuous curvilinear capsulorhexis (CCC) on 3 commercially available surgical simulators.

Setting: Montefiore Medical Center Department of Ophthalmology and Visual Sciences, Bronx, New York.

Design: Randomized, cross-sectional, comparative study.

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