Publications by authors named "Kalpana"

This article provides a basic summary of computational research on benzimidazole and its molecular targets in breast cancer (BC) drug discovery. The drug development process is streamlined, expenses are decreased, and the possibility of finding successful therapies for this difficult illness is increased with the use of computational tools. The utilization of benzimidazole derivatives in medication research and discovery is discussed, along with the results of benzimidazole derivative-related clinical trials conducted against blood cancer during the previous five years.

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HIV-1 subtype C viruses are responsible for 50% of global HIV burden. However, nearly all currently available reporter viruses widely used in HIV research are based on subtype B. We constructed and characterized a replication-competent HIV-1 subtype C reporter virus expressing mGreenLantern.

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Background: Snake bite is a well-known occupational hazard amongst farmers, plantation workers, and other outdoor workers and results in much morbidity and mortality throughout the world. The complications related to kidneys are observed in most patients with snake bites admitted to a hospital. The current study aimed to study the renal involvement in patients with snake bites with reference to clinical features and the time of onset of acute renal failure.

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Heterogeneous photocatalysis has been widely explored as a promising solution for dye degradation due to its cost-effectiveness, ease of recovery, and use of green technology. Precisely, iron-doped cadmium sulfide (CdS) exhibits greater efficiency because of its higher charge separation, more electron transfer efficiency, and adsorption under visible region. In this study, two different ratios of iron-doped cadmium sulfide (CdFeS/GO) nanocomposites such as CdFeS/GO and CdFeS/GO were synthesized using the coprecipitation method and characterized with UV-Vis DRS, XRD, FT-IR, Raman, XPS, and HR-TEM.

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Predicting the Remaining Useful Life (RUL) of an industrial pneumatic actuator is crucial for enhancing maintenance strategies, reducing downtime and optimizing resource allocation. However, estimation becomes challenging when no historical RUL data is available for modeling. In this paper, a novel hybrid prognostic approach that combines Dynamic Time Warping (DTW), Exponential Degradation Model (EDM) and Random Forest Regressor (RFR) is proposed to estimate the RUL of pneumatic actuators under the absence of apriori RUL history.

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Disruption of parvalbumin positive (PVALB+) cortical interneurons is implicated in the pathogenesis of schizophrenia. However, how these defects emerge during brain development remains poorly understood. The protracted maturation of these cells during postnatal life has made their derivation from human pluripotent stem cells (hPSCs) extremely difficult, precluding hPSC-based disease modeling of their role in neuropsychiatric disease.

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Article Synopsis
  • Prostate cancer shows significant disparities between African American and Caucasian men, with AA men facing higher incidence and mortality rates due to a mix of socioeconomic, environmental, and biological factors.
  • Recent research highlights the role of the Aryl Hydrocarbon Receptor (AHR) and Androgen Receptor (AR) in this issue, particularly that higher AHR activity in AA men may drive more aggressive cancer progression.
  • Understanding these signaling pathways and their genetic variations is crucial for developing targeted therapies that can improve outcomes across different populations.
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Fresh produce prone to microbial contamination is a potential reservoir for antimicrobial-resistant bacteria (ARB) and antimicrobial resistance genes (ARGs), posing challenges to food safety and public health. This systematic review aims to comprehensively assess the prevalence of bacterial pathogens and the incidence of ARB/ARGs in fresh produce and agro-ecosystems across South Asia. Twenty-two relevant studies published between 2012 and 2022 from three major scientific databases and the grey literature were identified.

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Background: Research evidence suggests the role of the vestibular system in cognitive functions like visuospatial memory, objective memory, spatial navigation, etc. Vestibular cortices send projection to the hippocampus and to the medial entorhinal cortex (MEC); the latter houses place cells, grid cells, and head direction cells, which play a major role in the formation of a cognitive map based on inputs from the vestibular apparatus. So, the present study aimed to assess cognitive functions in vestibular disorder patients.

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Introduction: COVID-19 was first reported in Wuhan, China, and subsequently spread worldwide. There were numerous restrictions on daily life activities, including lifestyles, social distancing, isolation and access to many forms of exercise and home confinement. All these activities have health benefits, as they enhance the immune system, which is the need of the hour during the COVID-19 pandemic.

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  • The study investigates low energy availability (LEA) and mental health issues among female football players, noting these problems are common but under-researched, especially in India.
  • In a sample of 25 professional players, they found that 24% exhibited signs of LEA, while 44% showed poor mental health, with disordered eating and sleep disturbances being frequent issues.
  • The results suggest a high prevalence of LEA and mental health disorders in female athletes, emphasizing the need for early detection and intervention to improve their overall health and performance.
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HIV-1 subtype C viruses are responsible for 50% of global HIV burden. However, nearly all currently available reporter viruses widely used in HIV research are based on subtype B. We constructed and characterized a replication competent HIV-1 subtype C reporter virus expressing mGreenLantern.

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Introduction: Lung ultrasound is emerging as a rapid, simple and safe alternative for diagnosing pneumonia since it has a higher sensitivity than X-rays and lower radiation exposure than computerized tomography. This is a prospective observational study done at a tertiary care centre in Chennai to study the diagnostic utility of lung ultrasound in pneumonia.

Methods: Children aged 1 month to 12 years who were admitted to the hospital with complaints of cough, fever and/or breathing difficulty and on examination had tachypnea and/or chest indrawing were included in the study.

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  • Orthorexia Nervosa (ON) is characterized by an unhealthy obsession with healthy eating, but it lacks formal diagnostic criteria, prompting this study to examine its prevalence among female football players in Poland, Turkey, and India.* -
  • The research involved 142 participants and utilized various statistical methods to assess the relationship between socio-cultural attitudes, social media usage, and the risk of ON, finding nearly 50% of athletes at risk, particularly among Indian players.* -
  • The study concluded that while socio-cultural factors and media influence ON risk, psychological aspects and individual behaviors may be more significant, emphasizing the need for targeted educational interventions.*
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  • Carbapenemase-producing organisms (CPOs) pose a significant public health threat, which has led to the need for accurate diagnostic methods for their detection.
  • The study examined the effectiveness of a new unbiased colony selection method (FirstAll) in improving the detection rates of carbapenemase compared to conventional methods.
  • Results showed that using the FirstAll method led to higher detection rates of carbapenemase in bacterial isolates and highlighted the limitations of existing tests like Carba5 and the CPO panel in delivering consistent performance.
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Background: Thermal threshold testing (TTT) is a simple non-invasive approach for diagnosing diabetic neuropathy earlier. Conventionally the TTT is done in all four limbs and at least 6 trials are done to obtain the mean threshold, which is time consuming.

Aim: We propose to assess the validity and reliability of reduced number of trials of TTT in the lower limbs.

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Cancer therapies, notably chemotherapy, have significantly improved survival rates and quality of life for many patients. However, chemotherapy's cytotoxic effects also impact normal cells, leading to adverse effects, including metabolic disturbances. This paper explores the link between chemotherapy and metabolic syndrome, a cluster of metabolic abnormalities that increase the risk of cardiovascular diseases and type 2 diabetes.

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Background: Cardiovascular diseases (CVD) account for approximately one-third of all deaths worldwide. The incidence of cardiovascular events such as myocardial infraction has been reported to be progressively increasing with age, especially with existing comorbidities such as hypertension, diabetes and obesity. Assessing arterial stiffness indices may serve as a screening tool in identification of population at risk of cardiovascular diseases and assist in implementation of preventive measures and early treatment in this population.

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  • * A case study of a 57-year-old woman with MTS illustrates her medical history involving multiple skin tumors and a recurring bladder cancer, confirmed by an MSH2 mutation.
  • * The report highlights the importance of genetic testing, proactive cancer surveillance, and collaboration among healthcare professionals, while advocating for continued research to improve understanding and treatment of MTS.
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Multiple sclerosis (MS) is an inflammatory and neurodegenerative disease of the central nervous system (CNS), resulting in neurological disability that worsens over time. While progress has been made in defining the immune system's role in MS pathophysiology, the contribution of intrinsic CNS cell dysfunction remains unclear. Here, we generated a collection of induced pluripotent stem cell (iPSC) lines from people with MS spanning diverse clinical subtypes and differentiated them into glia-enriched cultures.

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A 14-year-old girl with congenital hydrocephalus and early-onset scoliosis presented with sudden onset of severe headache on the fourth postoperative day of scoliosis correction (definitive fusion). On evaluation, she was found to have cerebellar haemorrhage on computed tomography scan with the findings of obstructive hydrocephalus. Posterior fossa bleed with hydrocephalus contributing to raised ICP was suspected initially.

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Acute respiratory virus infections (ARIs) are a significant cause of morbidity and mortality among children worldwide. Respiratory viral infections in children have been significantly impacted during the COVID-19 pandemic. Variations in the prevalence of respiratory virus infections have been associated with the COVID-19 pandemic, which corresponds to the clinical epidemiology of community-acquired respiratory viruses.

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The emergence of brain organoids has revolutionized our understanding of neurodevelopment and neurological diseases by providing an in vitro model system that recapitulates key aspects of human brain development. However, conventional organoid protocols often overlook the role of microglia, the resident immune cells of the central nervous system. Microglia dysfunction is implicated in various neurological disorders, highlighting the need for their inclusion in organoid models.

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Three-dimensional polymeric networks called hydrogels have drawn a lot of interest in a variety of biomedical applications because of their distinctive qualities, like high water content and biocompatibility. Hydrogels can be strengthened mechanically and become more stable via cross-linking. In this study, we described the synthesis and characterization of a cross-linked hydrogel made of polyethylene glycol (PEG) capable of absorbing drug.

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