Publications by authors named "Siddhartha Singh"

An experiment was performed to understand the effects of aluminium toxicity (AlCl·6HO) on Kachai lemon growth and development. The toxic effects of aluminium were assessed for 45 days in sand media. With untreated pots serving as the control, seedlings of 1 month old were exposed to three concentrations of AlCl·6HO: 300 μM, 600 μM and 900 μM.

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Article Synopsis
  • - BPA disrupts pancreatic islet function by interacting with estrogen receptors and activating the aryl hydrocarbon receptor, suggesting potential toxic effects on insulin regulation.
  • - In experiments, treating isolated pancreatic islet cells and live mice with BPA demonstrated that AhR plays a critical role in BPA's impact on insulin release and cell viability, with antagonists for both AhR and ER mitigating these effects.
  • - The study suggests that targeting both AhR and ER could be a therapeutic strategy to counteract the negative effects of BPA, particularly regarding insulin dysfunction and related diabetic conditions.
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Postoperative vision loss is an unusual but serious side effect that can occur after nonocular surgeries, particularly those involving the heart or spine. Various causes, including ischemic optic neuropathy, central retinal artery occlusion, central retinal vein occlusion, and ischemic orbital compartment syndrome, can cause this condition. Here, we present a case of a 28-year-old male patient who underwent spine surgery for cervicodorsal spine injury and experienced sudden, painless vision loss in his left eye following the surgery.

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Background: Although several systematic reviews found that ambulatory diabetes mellitus (DM) interventions involving pharmacists generally yielded better outcomes than the ones that did not, existing studies have limitations in rigor and study design.

Objective: To examine the intention-to-treat effects of the Ambulatory Diabetes Outreach Program (ADOP) on participants' A1c values and healthcare utilization over a 52-month follow-up period.

Design: Difference-in-differences with staggered adoption.

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Intensive crop residue burning (CRB) in northern India triggers severe air pollution episodes over the Indo-Gangetic Plain (IGP) each year during October and November. We have quantified the contribution of hotspot districts (HSDs) and total CRB to poor air quality over the IGP. Initially, we investigated the spatiotemporal distribution of CRB fire within the domain and pinpointed five HSD in each Punjab and Haryana.

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Bisphenol-A (BPA) is widely used in food packaging and household products, leading to daily human exposure and potential health risks including metabolic diseases like type 2 diabetes mellitus (T2DM). Understanding BPA's mechanisms and developing intervention strategies is urgent. Centella asiatica, a traditional herbal medicine containing pentacyclic triterpenoids, shows promise due to its antioxidant and anti-inflammatory properties, utilized for centuries in Ayurvedic therapy.

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Background: The Medicare Annual Wellness Visit is a preventive visit that is largely underutilized, a problem further compounded by the COVID-19 pandemic.

Methods: We implemented a digital outreach intervention to improve Annual Wellness Visit scheduling in our health system. Using a bulk outreach functionality in the electronic medical record, we sent a message to patients due for an Annual Wellness Visit and analyzed the efficacy of this message on scheduling rates while also assessing its impact by race.

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The estrogenic impact of Bisphenol-A (BPA), a widely recognized endocrine disruptor, causes disruption of pancreatic β-cell function through estrogen receptors (ERs). While BPA's binding affinity for ERs is significantly lower than that of its natural counterpart, estrogen, recent observations of BPA's affinity for aryl hydrocarbon receptor (AhR) in specific cellular contexts have sparked a specific question: does AhR play a role in BPA's toxicological effects within the endocrine pancreas? To explore this question, we investigated BPA's (10 and 100 μg/ kg body weight/day for 21 days) potential to activate AhR within pancreatic islets and assessed the protective role of ethanol extract of Centella asiatica (CA) (200 and 400 mg/kg body weight/day for 21 days) against BPA-mediated toxicity in mouse model. Our results indicate that BPA effectively triggers the activation of AhR and modulates its target genes within pancreatic islets.

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Giant cell tumor (GCT) of the proximal femur poses various challenges in its management and recurrence. We present a rare case of GCT of proximal femur in which recurrence and coxa vara deformity were encountered after index surgery. Management of the recurrence was done with intramedullary fixation with extended curettage and bone grafting.

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Despite the widespread adoption of early warning systems (EWSs), it is uncertain if their implementation improves patient outcomes. The authors report a pre-post quasi-experimental evaluation of a commercially available EWS on patient outcomes at a 700-bed academic medical center. The EWS risk scores were visible in the electronic medical record by bedside clinicians.

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Exploration into the causes of hereditary renal cystic diseases demonstrates a deep-rooted connection with the proteomic components of the cellular organelle cilia. Cilia are essential to the signaling cascades, and their dysfunction has been tied to a range of renal cystic diseases initiating with studies on the oak ridge polycystic kidney (ORPK) mouse model. Here, we delve into renal cystic pathologies that have been tied with ciliary proteosome and highlight the genetics associated with each.

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Caffeic acid-O-methyltransferase (COMT), an important enzyme governing the process of lignification in plants, functions at the level of caffeic acid methylation along with 3-O-methylation of monolignol precursors. The present investigation was carried out to decipher the role of COMT in tall fescue lignification and to clone and characterize the COMT gene. The study on COMT activity variation at different growth stages of tall fescue exhibited a significant increase in activity over all the growth stages of tall fescue.

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Importance: Health care systems have implemented remote patient monitoring (RPM) programs to manage patients with COVID-19 at home, but the associations between participation and outcomes or resource utilization are unclear.

Objective: To assess whether an RPM program for COVID-19 is associated with lower or higher likelihood of hospitalization and whether patients who are admitted present earlier or later for hospital care.

Design, Setting, And Participants: This retrospective, observational, cohort study of RPM was performed at Froedtert & Medical College of Wisconsin Health Network, an academic health system in southeastern Wisconsin.

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Bisphenol A (BPA) is an endocrine disrupting chemical which poses great concern because of its high proportionate industrial production, omnipresent human exposure and budding toxic consequences in human. A plethora of previous studies has connected BPA to a variety of negative health outcomes and diabetes mellitus is among the first bencher. However, there is disagreement over the degree of toxic effects generated by low and high doses of BPA and critical period of exposure.

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Background: Pediatric sepsis is a significant public health issue. This condition is exacerbated by rising serum creatinine and inflammatory cytokines that lead to deleterious effects upon the body. The current standard of care involves the use of continuous kidney replacement therapy to remove harmful cytokines until the body returns to homeostasis.

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Background: Unrecognised changes in a hospitalised patient's clinical course may lead to a preventable adverse event. Early warning systems (EWS) use patient data, such as vital signs, nursing assessments and laboratory values, to aid in the detection of early clinical deterioration. In 2018, an EWS programme was deployed at an academic hospital that consisted of a commercially available EWS algorithm and a centralised virtual nurse team to monitor alerts.

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This study was aimed to determine pesticides concentrations in fresh vegetables and assess human health risks in North-Western Himalayan region of India. Vegetable samples (n = 300) collected randomly from different agro-climatic zones were analyzed for 19 pesticides using gas chromatography. Pesticide residues were detected in 116 samples, of which 49 samples exceeded maximum permissible limits established by European Commission.

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Article Synopsis
  • * A rare inherited disorder due to LCAT deficiency primarily results in kidney problems (nephropathy), which is often the leading cause of death, along with other symptoms like corneal opacity and low levels of high-density lipoprotein.
  • * This case study discusses a 35-year-old man who faced renal failure and proteinuria; he underwent kidney biopsies that revealed specific damage patterns and eventually led to a diagnosis of LCAT deficiency after developing corneal opacity.
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Tall fescue, a promising temperate forage grass of Himalayan region, possesses extraordinary property of rapid growth with high biomass production, but its poor digestibility due to higher lignin content limits its utilization in livestock feeding. The lignification in Tall fescue is under the control of enzymatic cascade of different regulatory enzymes. Cinnamyl alcohol dehydrogenase (CAD) is a crucial regulatory enzyme that catalyzes the last step of monolignol biosynthesis and is a potential candidate for altering the content and types of lignin, and hence increasing the digestibility of fodder crops.

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The Medical College of Wisconsin (MCW) COVID-19 Vaccination Program facilitated early vaccination efforts in metro Milwaukee, Wisconsin from December, 2020 through April, 2021. Goals of the program were to work with clinical partners to ensure rapid vaccination availability for the institution's frontline workforce, to support state public health agencies in offering a vaccination opportunity for underserved and higher education community members, and to train vaccinators. A key component of the program was the MCW COVID-19 Vaccination Clinic, and 88% of MCW's workforce was fully immunized against COVID-19 with the 2-dose, mRNA vaccine by April 30, 2021.

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Background: Poverty and high viral load are associated with worse outcomes among COVID-19 patients.

Methods: We included patients admitted to Froedtert Health between March 16 and June 1, 2020. SARS-CoV-2 viral load was proxied by cycle-threshold values.

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COVID-19 has challenged the global healthcare system through rapid proliferation and lack of existing treatment resulting in over 180 million cases and 3.8 million deaths since December 2019. Although pediatric patients only comprise 1%-2% of diagnosed cases, their incidence of acute kidney injury ranges from 8.

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Introduction Newer implant designs such as Proximal Femoral Nail (PFN) and Proximal Femoral Nail Antirotation (PFN-A) have shown promising results in the treatment of intertrochanteric fractures. Despite the availability of various implants for the treatment of these fractures, there is no common consensus as to which implant would be ideal. Therefore, there is a need for further clinical trials to establish the biomechanical and functional outcome superiority of implants such as PFN and PFN-A, especially among osteoporotic patients.

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