Publications by authors named "Jeevan Shetty"

Article Synopsis
  • Microglial activation has been linked to neurodegenerative diseases like Alzheimer's and Parkinson's, but its role in metabolic disorders, particularly insulin resistance and type 2 diabetes, is gaining attention.
  • The text examines the biochemical pathways involved in this connection, including IKKβ/NF-κβ and IRS-1/PI3K/Akt, as well as the impact of non-coding RNAs on insulin resistance.
  • Finally, potential therapeutic strategies, both pharmaceutical and lifestyle-based, are discussed to reduce microglial activation and mitigate its effects on metabolism.
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Objectives: To estimate thresholds for defining meaningful within-patient improvement from baseline to weeks 13-24 and interpreting meaningfulness of between-group difference for the non-transfusion-dependent beta-thalassaemia patient-reported outcome (NTDT-PRO) tiredness/weakness (T/W) and shortness of breath (SoB) scores. A secondary objective was to determine the symptom severity threshold for the NTDT-PRO T/W domain to identify patients with symptomatic T/W.

Design: Pooled blinded data from the phase 2, double-blind, placebo-controlled, randomised BEYOND trial in NTDT (NCT03342404) were used.

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Background: Type 2 diabetes mellitus (T2DM) is a complex, chronic condition that can cause multiple complications due to poor glycemic control. Self-management plays a crucial role in the management of T2DM. Lifestyle modifications, including physical activity (PA), are fundamental for self-management.

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Luspatercept, a ligand-trapping fusion protein, binds select TGF-β superfamily ligands implicated in thalassemic erythropoiesis, promoting late-stage erythroid maturation. Luspatercept reduced transfusion burden in the BELIEVE trial (NCT02604433) of 336 adults with transfusion-dependent thalassemia (TDT). Analysis of biomarkers in BELIEVE offers novel physiological and clinical insights into benefits offered by luspatercept.

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Article Synopsis
  • Lip, oral, and pharyngeal cancers pose significant global health challenges, making it essential to analyze their burden for effective health policies.
  • The study utilized data from the 2019 Global Burden of Diseases, Injuries, and Risk Factors Study to assess cancer incidence, mortality, and life years lost across 204 countries, linking these to socio-demographic factors.
  • Findings revealed approximately 370,000 cases and 199,000 deaths for lip and oral cavity cancer, and 167,000 cases and 114,000 deaths for other pharyngeal cancers in 2019, with smoking being the leading risk factor for these cancers, especially in low and middle SDI regions.
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Background: Erythropoiesis-stimulating agents (ESAs) are the standard-of-care treatment for anaemia in most patients with lower-risk myelodysplastic syndromes but responses are limited and transient. Luspatercept promotes late-stage erythroid maturation and has shown durable clinical efficacy in patients with lower-risk myelodysplastic syndromes. In this study, we report the results of a prespecified interim analysis of luspatercept versus epoetin alfa for the treatment of anaemia due to lower-risk myelodysplastic syndromes in the phase 3 COMMANDS trial.

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Article Synopsis
  • Patients with transfusion-dependent β-thalassemia often face health-related quality of life (HRQoL) issues due to long-term red blood cell transfusions leading to iron overload.
  • The phase 3 BELIEVE trial studied the effects of luspatercept, an erythroid maturation agent, on HRQoL compared to a placebo, evaluating results at baseline and every 12 weeks using SF-36 and TranQol questionnaires.
  • At week 48, while overall HRQoL scores remained stable for both groups, luspatercept patients who responded to treatment showed significant improvement in physical function compared to those on placebo.
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Article Synopsis
  • - The NTDT-PRO questionnaire was created to measure fatigue and shortness of breath among non-transfusion-dependent beta-thalassaemia patients, using data from the BEYOND trial to ensure its reliability and validity.
  • - The trial involved 145 adults from several countries, assessing their symptoms and overall health through various scales over a 24-week period.
  • - Results showed that the NTDT-PRO had strong internal consistency and test-retest reliability, with significant correlations between patients' T/W and SoB scores and their overall health and hemoglobin levels.
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Background: β-thalassemia is a hereditary blood disorder resulting in ineffective erythropoiesis and anemia. Management of anemia with regular blood transfusions is associated with complications including iron overload. Here, we report long-term safety and efficacy results of the first clinical study of luspatercept in β-thalassemia, initiated in 2013, enrolling adults with both nontransfusion-dependent (NTD) and transfusion-dependent (TD) β-thalassemia.

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Diabetes mellitus, a well-established risk factor for stroke, is related to higher mortality and poorer outcomes following the stroke event. Advanced glycation end products(AGEs), their receptors RAGEs, other ligands, and several other processes contribute to the cerebrovascular pathomechanism interaction in the diabetes-ischemic stroke combination. Critical reappraisal of molecular targets and therapeutic agents to mitigate them is required to identify key elements for therapeutic interventions that may improve patient outcomes.

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Background: In patients with non-transfusion-dependent β-thalassaemia, haemoglobin concentrations lower than 10 g/dL are associated with a higher risk of morbidity, mortality, and impaired quality of life. No drugs are specifically approved for anaemia management in patients with non-transfusion-dependent β-thalassaemia, other than transfusion therapy administered infrequently in accordance with patients' needs. We assessed the efficacy and safety of luspatercept versus placebo in patients with non-transfusion-dependent β-thalassaemia.

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JCO Luspatercept has high clinical activity in patients with transfusion-dependent lower-risk myelodysplastic syndromes (LR-MDS) and ring sideroblasts (RS) relapsed or refractory to erythropoietin. We report long-term luspatercept safety and efficacy in 108 patients with LR-MDS in the PACE-MDS study, including 44 non-RS and 34 non-transfusion-dependent or previously untreated patients. The primary end point was safety.

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Luspatercept is an approved therapy for selected patients with lower risk myelodysplasia requiring transfusion despite erythropoiesis-stimulating agents, based on the early results of a randomized trial against placebo. Zeidan and colleagues report that after a median of 26 months follow-up, 27% of patients commencing luspatercept were continuing therapy. Their updated analyses confirm that a significant minority (45%) of eligible patients can achieve transfusion independence, with a median durability of 30 weeks.

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Patients with myelodysplastic syndromes (MDS) often experience chronic anemia and long-term red blood cell transfusion dependence associated with significant burden on clinical and health-related quality of life (HRQoL) outcomes. In the MEDALIST trial (NCT02631070), luspatercept significantly reduced transfusion burden in patients with lower-risk MDS who had ring sideroblasts and were refractory to, intolerant to, or ineligible for prior treatment with erythropoiesis-stimulating agents. We evaluated the effect of luspatercept on HRQoL in patients enrolled in MEDALIST using the EORTC QLQ-C30 and the QOL-E questionnaire.

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Article Synopsis
  • The GBD 2019 study systematically estimated the global cancer burden, providing data on incidence, mortality, and disability to help address cancer worldwide.
  • In 2019, an estimated 23.6 million new cancer cases and 10 million cancer deaths occurred globally, marking significant increases in rates since 2010, with cancer becoming a leading cause of both death and disability-adjusted life years (DALYs).
  • The impact of cancer varied across sociodemographic index (SDI) quintiles, with higher SDI areas seeing more new cases, while middle SDI areas experienced more deaths and DALYs, highlighting disparities in cancer burden.
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Article Synopsis
  • β-Thalassemia is a genetic blood disorder that causes issues with hemoglobin production, leading to the need for regular blood transfusions and potential complications like iron overload.
  • Luspatercept is the first approved therapy in the U.S. that helps improve anemia in adult patients with β-thalassemia who rely on these transfusions, showing effective dosage and reduced transfusion needs.
  • Studies indicate that luspatercept has a favorable safety profile and its administration is based on body weight, making it a promising alternative therapy for managing β-thalassemia.
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Background: Patients with transfusion-dependent β-thalassemia need regular red-cell transfusions. Luspatercept, a recombinant fusion protein that binds to select transforming growth factor β superfamily ligands, may enhance erythroid maturation and reduce the transfusion burden (the total number of red-cell units transfused) in such patients.

Methods: In this randomized, double-blind, phase 3 trial, we assigned, in a 2:1 ratio, adults with transfusion-dependent β-thalassemia to receive best supportive care plus luspatercept (at a dose of 1.

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Aim: The objective of this study was to determine the vertical and horizontal marginal bone levels in platform-switched and platform-matched dental implants.

Materials And Methods: In the present study, 50 dental implants were placed in 50 patients over a 1-year period. Measurement was performed from the implant shoulder to the most apical and horizontal marginal defect by periapical radiographs to examine the changes of peri-implant alveolar bone before and 12 months after prosthodontic restoration delivery.

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Bisalbuminemia is a rarely encountered anomaly characterized by presence of bifid albumin bands or a single widened albumin band in electrophoretogram. Inherited bisalbuminemia is quite rare and inherited as an autosomal dominant form. The acquired form of bisalbuminemia is usually transient and may be observed during long term beta lactam antibiotic therapy, acute pancreatitis, myeloma and nephrotic syndrome.

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Total thiol status of plasma, especially thiol groups over protein contributes maximum to the plasma antioxidant status of the body. Serum protein thiols were found to be decreased in various disease conditions including chronic renal failure patients. Only few studies determined the levels of urinary protein thiols in disease conditions.

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Context: Clindamycin is one of the important alternative antibiotics in the therapy of Staphylococcus aureus, particularly in methicillin-resistant S. aureus (MRSA) infections. Inducible clindamycin resistance (iMLS B--inducible Macrolide-Lincosamide-Streptogramin B resistance) is a critical factor in antimicrobial susceptibility testing.

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The existence of oxidative stress in uremia is well proved but the relative importance of uremic status versus the role of free iron in exacerbating oxidative stress in patients with uremia is not been clarified. Serum creatinine, free iron both in ferrous and ferric state, protein thiols, lipid hydroperoxides levels were estimated by spectrophotometric methods. The study groups comprised of patients with chronic kidney disease on conservative management, on hemodialysis with and without iron supplementation, and compared with healthy controls.

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Free iron in serum has been found in several disease conditions including diabetes. In the present work, we studied the relationship between free iron, fasting blood glucose (FBG) and glycated haemoglobin (HbA(1c)). Study was carried out on 50 type 2 diabetes cases under poor glycemic control associated with complications, 53 type 2 diabetes cases under good glycemic control and 40 healthy controls.

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