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1.
Cureus ; 16(7): e64042, 2024 Jul.
Article in English | MEDLINE | ID: mdl-39114212

ABSTRACT

OBJECTIVES: Good Clinical Practices (GCP) are essential for patient-centric research. The standard bioethics and GCP training emphasizing a "one-size-fits-all" approach may not adequately equip ethics committee members, especially the lay and social scientist members, towards their critical role in reviewing clinical trials and related documentation. This article explores a patient-centered, patient advocates-driven training program focused on raising awareness about research ethics and GCP among patients, advocates and ethics committee members. METHODS: A patient advocates-driven program called Patient Advocates for Clinical Research (PACER) conducted trainings focused on GCP for patient-centric research for patients, advocates and ethics committee members. Pre- and post-workshop questionnaires were used to assess the participants' knowledge of GCP. RESULTS: The workshop was attended by 116 participants. Of these 91 consented to participate in questionnaire evaluation that assessed participants' knowledge on ethics committee (EC) functionality, research ethics and data confidentiality. Pre-workshop evaluations highlighted knowledge gaps. Only 16.5% were familiar with the primary ethical consideration for vulnerable populations and 69.2% were knowledgeable about data governance. Post-workshop evaluations demonstrated significant overall response improvement of 5.4% (𝜒2=13.890; p<0.001). The understanding of ethical considerations for vulnerable populations rose by 15.4% (p=0.007), and knowledge of data privacy regulations improved by 11.0% (p=0.041). CONCLUSION: The workshop under PACER initiative highlighted the knowledge gaps in understanding the EC functionality, research ethics and data confidentiality. The workshop effectively fostered participants' understanding of ethical research practices.

2.
Food Chem (Oxf) ; 9: 100214, 2024 Dec 30.
Article in English | MEDLINE | ID: mdl-39149574

ABSTRACT

The by-products of the grain processing industry are a vital resource for the valorization methods in the food industry. In comparison to the whole grain, the broken kernels and seeds own similar nutrient and bioactive compounds having multifaceted health properties. This study aims to develop a nutritional bar by utilizing the by-products from barnyard millet and foxnut with added sweeteners. Furthermore, high-resolution mass spectrometry (HR-MS) metabolomics was carried out in positive and negative both ion modes to identify the major bioactive compounds formed in the matrix of the best-optimized valorized bar. The formulation of the bar having 15 % foxnut flour and the barnyard flour each, was elucidated highest rheological and sensory scores. A sum of 29 bioactive metabolites has been observed in the obtained metabolome. Major metabolites were palmitoyl serinol, glycitein, persin, bufagargarizin, apigenin, carvone, etc. covering a wide area in the mass spectrum. The therapeutic value of these compounds is heart health promotion, anti-inflammatory, anti-carcinogenic, anti-diabetic, anti-microbial, etc. This work highlights the bioactivity of the valorized nutritional bar employing robust and accurate tool of mass spectrometry. The developed snack is a functional food for the consumers.

3.
Cureus ; 16(7): e64775, 2024 Jul.
Article in English | MEDLINE | ID: mdl-39156461

ABSTRACT

BACKGROUND: Lumbar spine surgery is associated with a significant degree of moderate-to-severe perioperative pain which can be alleviated by using different pain-relieving modalities; of these, erector spinae plane block and intrathecal morphine have promise. PURPOSE: To compare the analgesic efficacy between intrathecal morphine (ITM) versus erector spinae plane block (ESPB) for perioperative analgesia in patients undergoing lumbar spine surgery. METHOD: A total of 74 patients aged between 20 and 65 years of either sex were posted for elective lumbar spine surgery. Patients were divided into two groups: Group A patients received 0.3 mg intrathecal morphine and Group B received bilateral erector spinae plane block at L3 level by using 30 mL of 0.5% ropivacaine before starting the surgery for perioperative analgesia. In the perioperative period, pain was assessed by hemodynamic parameters (heart rate and mean arterial pressure), numeric rating scale (NRS), and patient satisfaction score.  Result: The difference in heart rate and mean arterial pressure was found to be statistically significant between groups at three, six, 12, and 24 hours (p<0.05). The patients who required rescue analgesia in Group A and Group B were 23 (62.2%) and 37 (100%) patients in the first 24 hours. The rate of complication was higher in Group A than in Group B (45% vs 5.4%). The patient satisfaction score was found to be better in Group A than in Group B. CONCLUSION: Intrathecal morphine provides more substantial and extended analgesia up to 48 hours postoperatively as compared to erector spinae plane block.

4.
Leukemia ; 2024 Jul 13.
Article in English | MEDLINE | ID: mdl-39003397

ABSTRACT

The interaction between stromal and tumor cells in tumor microenvironment is a crucial factor in Mantle cell lymphoma (MCL) progression and therapy resistance. We have identified a long non-coding RNA, CERS6-AS1, upregulated in MCL and associated with poor overall survival. CERS6-AS1 expression was elevated in primary MCL within stromal microenvironment and in a subset of MCL cells adhered to stromal layer. These stromal-adhered MCL-subsets exhibited cancer stem cell signatures than suspension counterparts. Mechanistically, we found that downregulating CERS6-AS1 in MCL reduced Fibroblast Growth Factor Receptor-1 (FGFR1), expression attributed to loss of its interaction with RNA-binding protein nucleolin. In addition, using in-silico approach, we have discovered a direct interaction between nucleolin and 5'UTR of FGFR1, thereby regulating FGFR1 transcript stability. We discovered a positive association of CERS6-AS1 with cancer stem cell signatures, and Wnt signaling. Building on these, we explored potential therapeutic strategies where combining nucleolin-targeting agent with FGFR1 inhibition significantly contributed to reversing cancer stem cell signatures and abrogated primary MCL cell growth on stromal layer. These findings provide mechanistic insights into regulatory network involving CERS6-AS1, nucleolin, and FGFR1 axis-associated crosstalk between tumor cells and stromal cell interaction and highlights therapeutic potential of targeting a non-coding RNA in MCL.

6.
Cureus ; 16(6): e62840, 2024 Jun.
Article in English | MEDLINE | ID: mdl-39036166

ABSTRACT

Background The antecedents of readmission among survivors of intensive care units (ICUs) are complex and comprise an array of elements that impact the rehabilitation process after leaving the ICU. The aforementioned determinants may comprise socioeconomic factors, access to follow-up healthcare, the nature and severity of the initial illness or injury, the presence of comorbidities, the sufficiency of transitional care and rehabilitation services, and patient and family support systems. Added to this, the risk of readmission may be increased by complications that develop during the ICU stay, including but not limited to infections, organ dysfunction, and psychological distress. Comprehending these determinants is of the utmost importance for healthcare providers in order to execute focused interventions that seek to diminish readmission rates, enhance patient outcomes, and elevate the standard of care for survivors of ICUs. Objective The objective of the study is to determine the factors associated with readmission among ICU survivors and the cause of readmission. Methodology This prospective observational study was conducted in a tertiary-level ICU. The duration of the study was one year and we enrolled 108 ICU survivors in our study. We have recorded patient demographic data, comorbidity, primary diagnosis, previous treatment history (vasopressor, sedation), causes of readmission, duration of previous ICU stay, and outcome of readmitted patient (discharge, death, and transfer to lower facility). Result The incidence of readmission in our ICU is 10.4%; 50-70 age groups are more prone to readmission of which the male sex is predominant (64.81%). In our study, hypertension (cardiac, 18.52%) and diabetes mellitus (11.11%) were the most common comorbidities reported in readmitted patients. The majority of patients who get readmission suffered from blunt trauma abdomen. In the majority of readmitted patients, sedation was used in the previous admission for ventilation and patient comfort (66.67%). Most of the readmitted patients (68.51%) have a previous ICU stay of more than five days. Patients were readmitted mainly because of respiratory (30.56%) and neurological (25%) complications. In this study, readmitted patients have high mortality (59.26%). Conclusion In a tertiary care ICU, the incidence rate of readmitted patients was 10.4%. Respiratory and neurological problems were the main cause of readmission. In readmitted patients, mortality was high up to 59.26%. Old age, male sex, prolonged ICU stay, comorbidities like hypertension, blunt trauma abdomen, use of sedation, and prolonged mechanical ventilation in previous ICU admission are major risk factors for ICU readmission.

7.
Cureus ; 16(6): e63017, 2024 Jun.
Article in English | MEDLINE | ID: mdl-39050331

ABSTRACT

BACKGROUND: With advanced virtual reality (VR) technology, its usage in health care is creating an impact on patient outcomes. Patients undergoing knee replacement surgery are already anxious due to the surgery, anaesthesia, and unfamiliar environment of the operation theatre. In addition to that, the unpleasant noise of tools makes it worse. Peri-operative anxiety correlates with increased anaesthesia requirements and prolonged recovery. It causes the release of stress hormones such as cortisol, adrenaline, and norepinephrine, which can lead to difficult intravascular access due to vasoconstriction and heightened cardiovascular responses. Studies on music therapy have shown a reduction in cortisol levels, contributing to anxiety alleviation. VR glasses create immersive environments to distract patients from various stress factors. Investigating the use of VR/music on serum cortisol and adrenocorticotropic hormone (ACTH) levels in knee replacement surgery can improve peri-operative care, improving patient outcomes. AIM: The study was done to investigate the impact of virtual reality glasses and music therapy on serum cortisol and ACTH levels in patients undergoing knee replacement surgery under combined spinal epidural anaesthesia. METHODS: In this prospective randomised control, single-centric study, patients of either sex, aged between 18 and 65 years, undergoing knee replacement surgery under combined spinal and epidural (CSE) anaesthesia, were included. The primary objective was to compare serum cortisol and ACTH levels, while the secondary objective was to compare the State-Trait Anxiety Inventory for State Anxiety (STAI-SA) score and Patient Satisfaction Score (PSS) in the peri-operative period. A total of 100 patients were assessed for eligibility, and 66 patients met the inclusion and exclusion criteria and were finally randomised and equally assigned to group M-VR (music-virtual reality) and group C (control). Three blood samples were collected for serum cortisol and serum ACTH levels one hour before surgery (T1), one hour after skin incision (T2), and two hours after the completion of surgery (T3). STAI-SA was measured one hour before surgery (T1) and two hours after the completion of surgery (T2), while PSS was recorded two hours after the completion of surgery. Hemodynamic parameters were noted during the entire peri-operative period. RESULTS: The demographic and anthropometric parameters were comparable in both groups. Hemodynamic parameters (heart rate [HR], mean arterial pressure [MAP]) were found to be comparable in the pre-operative period, while significant differences (p > 0.05) were noted after 30 minutes of surgery and continued till the end of surgery. Serum cortisol and serum ACTH levels were comparable in the pre-operative period but showed significantly lower variations in group M-VR in comparison to group C in the intra-operative period. PSS was significantly higher in group M-VR in comparison to group C. CONCLUSION: This study substantiates the role of virtual reality and music therapy (VR/music) on anxiety reduction, improved satisfaction scores, and lesser ACTH/cortisol level variations in knee replacement surgery. It further emphasises larger randomised controlled studies in various other surgical populations, along with long-term follow-up and outcome assessment.

8.
Vision (Basel) ; 8(3)2024 Jul 04.
Article in English | MEDLINE | ID: mdl-39051229

ABSTRACT

Most existing research on the perception of 3D shape from motion has focused on rigidly moving objects. However, many natural objects deform non-rigidly, leading to image motion with no rigid interpretation. We investigated potential biases underlying the perception of non-rigid shape interpretations from motion. We presented observers with stimuli that were consistent with two qualitatively different interpretations. Observers were shown a two-part 3D object with the smaller part changing in length dynamically as the whole object rotated back and forth. In two experiments, we studied the misperception (i.e., perceptual reinterpretation) of the non-rigid length change to a part. In Experiment 1, observers misperceived this length change as a part orientation change (i.e., the smaller part was seen as articulating with respect to the larger part). In Experiment 2, the stimuli were similar, except the silhouette of the part was visible in the image. Here, the non-rigid length change was reinterpreted as a rigidly attached part with an "illusory" non-orthogonal horizontal angle relative to the larger part. We developed a model that incorporated this perceptual reinterpretation and could predict observer data. We propose that the visual system may be biased towards part-wise rigid interpretations of non-rigid motion, likely due to the ecological significance of movements of humans and other animals, which are generally constrained to move approximately part-wise rigidly. That is, not all non-rigid deformations are created equal: the visual systems' prior expectations may bias the system to interpret motion in terms of biologically plausible shape transformations.

9.
Biochem Biophys Res Commun ; 733: 150446, 2024 Jul 25.
Article in English | MEDLINE | ID: mdl-39067249

ABSTRACT

Alzheimer's disease (AD), caused by amyloid beta (Aß) plaques and Tau tangles, is a neurodegenerative disease characterized by progressive memory impairment and cognitive dysfunction. High-fat diet (HFD), which induces type 2 diabetes, exacerbates Aß plaque deposition in the brain. To investigate the function of HFD in Tau-mediated AD, we fed an HFD to the Drosophila Tau model and found that HFD aggravates Tau-induced neurological phenotypes. Since microRNAs (miRNAs) are biomarkers for diabetes and AD, we evaluated the expression levels of common miRNAs of HFD and AD in HFD-fed Tau model fly brains. Among the common miRNAs, the expression levels of Let-7 and miR-34 were increased. We found that the inhibition of these miRNAs alleviates Tau-mediated AD phenotypes. Our research provides valuable insights into how HFD accelerates tau toxicity. Additionally, our work highlights the therapeutic potential of targeting Let-7 and miR-34 to develop innovative treatment approaches for AD.

10.
Asian J Neurosurg ; 19(2): 107-111, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38974433

ABSTRACT

The new World Health Organization nomenclature of pituitary tumors was introduced in the year 2022 after much deliberation. This nomenclature clearly demarcates the anterior lobe (adenohypophyseal), posterior lobe (neurohypophyseal), and hypothalamic tumors. There is also focus on other tumors arising in the sellar region. The nomenclature has also advocated the routine use of immunohistochemistry in describing the pituitary transcription factors that plays a fundamental role in distinguishing the cell lineage of these tumors. However, the nomenclature is complex in understanding due to inclusion of pathological correlates like transcription factors, hormones, biomarkers, and various controversies that have emerged regarding the renaming of pituitary adenomas (PA) as PiTNETs ("Pituitary Neuroendocrine tumors") because majority of the adenomas are benign and have rare metastatic behavior while classifying them as PiTNETs will create unnecessary misinterpretation of these as aggressive tumors that will lead to apprehension among the patients. The new classification gives deeper insight into the histological picture of the various pituitary tumors but other than contributing to the follow-up strategy and postsurgery management, this classification does not add anything new that could be advantageous for the neurosurgeons in clinical practice and decision making, especially in deciding the plan of action for surgery. Hence, there is need of a more comprehensive, integrated, neuroradiological-based classification with more emphasis on the invasiveness of these tumors that would assist the neurosurgeons in planning the treatment strategy and managing patients of pituitary tumors.

11.
Int J Mol Sci ; 25(13)2024 Jun 24.
Article in English | MEDLINE | ID: mdl-39000011

ABSTRACT

Alzheimer's disease (AD) is the most prevalent neurodegenerative disorder and affects millions of individuals globally. AD is associated with cognitive decline and memory loss that worsens with aging. A statistical report using U.S. data on AD estimates that approximately 6.9 million individuals suffer from AD, a number projected to surge to 13.8 million by 2060. Thus, there is a critical imperative to pinpoint and address AD and its hallmark tau protein aggregation early to prevent and manage its debilitating effects. Amyloid-ß and tau proteins are primarily associated with the formation of plaques and neurofibril tangles in the brain. Current research efforts focus on degrading amyloid-ß and tau or inhibiting their synthesis, particularly targeting APP processing and tau hyperphosphorylation, aiming to develop effective clinical interventions. However, navigating this intricate landscape requires ongoing studies and clinical trials to develop treatments that truly make a difference. Genome-wide association studies (GWASs) across various cohorts identified 40 loci and over 300 genes associated with AD. Despite this wealth of genetic data, much remains to be understood about the functions of these genes and their role in the disease process, prompting continued investigation. By delving deeper into these genetic associations, novel targets such as kinases, proteases, cytokines, and degradation pathways, offer new directions for drug discovery and therapeutic intervention in AD. This review delves into the intricate biological pathways disrupted in AD and identifies how genetic variations within these pathways could serve as potential targets for drug discovery and treatment strategies. Through a comprehensive understanding of the molecular underpinnings of AD, researchers aim to pave the way for more effective therapies that can alleviate the burden of this devastating disease.


Subject(s)
Alzheimer Disease , tau Proteins , Alzheimer Disease/metabolism , Alzheimer Disease/etiology , Humans , tau Proteins/metabolism , Amyloid beta-Peptides/metabolism , Animals , Genome-Wide Association Study , Proteolysis
12.
ACS Infect Dis ; 10(8): 2775-2784, 2024 Aug 09.
Article in English | MEDLINE | ID: mdl-38876983

ABSTRACT

Francisella tularensis is a Gram-negative facultative intracellular bacterial pathogen that is classified by the Centers for Disease Control and Prevention as a Tier 1 Select Agent. F. tularensis infection causes the disease tularemia, also known as rabbit fever. Treatment of tularemia is limited to few effective antibiotics which are associated with high relapse rates, toxicity, and potential emergence of antibiotic-resistant strains. Consequently, new therapeutic options for tularemia are needed. Through screening a focused chemical library and subsequent structure-activity relationship studies, we have discovered a new and potent inhibitor of intracellular growth of Francisella tularensis, D8-03. Importantly, D8-03 effectively reduces bacterial burden in mice infected with F. tularensis. Preliminary mechanistic investigations suggest that D8-03 works through a potentially novel host-dependent mechanism and serves as a promising lead compound for further development.


Subject(s)
Anti-Bacterial Agents , Francisella tularensis , Tularemia , Francisella tularensis/drug effects , Francisella tularensis/growth & development , Animals , Tularemia/drug therapy , Tularemia/microbiology , Mice , Anti-Bacterial Agents/pharmacology , Anti-Bacterial Agents/chemistry , Structure-Activity Relationship , Humans , Microbial Sensitivity Tests , Drug Discovery , Female , Disease Models, Animal
13.
J Mol Biol ; 436(16): 168666, 2024 Aug 15.
Article in English | MEDLINE | ID: mdl-38880378

ABSTRACT

Heliorhodopsin (HeR) is a new rhodopsin family discovered in 2018 through functional metagenomic analysis. Similar to microbial rhodopsins, HeR has an all-trans retinal chromophore, and its photoisomerization to the 13-cis form triggers a relatively slow photocycle with sequential intermediate states (K, M, and O intermediates). The O intermediate has a relatively long lifetime and is a putative active state for transferring signals or regulating enzymatic reactions. Although the first discovered HeR, 48C12, was found in bacteria and the second HeR (TaHeR) was found in archaea, their key amino acid residues and molecular architectures have been recognized to be well conserved. Nevertheless, the rise and decay kinetics of the O intermediate are faster in 48C12 than in TaHeR. Here, using a new infrared spectroscopic technique with quantum cascade lasers, we clarified that the hydrogen bond between transmembrane helices (TM) 3 and 4 is essential for the altered O kinetics (Ser112 and Asn138 in 48C12). Interconverting mutants of 48C12 and TaHeR clearly revealed that the hydrogen bond is important for regulating the dynamics of the O intermediate. Overall, our study sheds light on the importance of the hydrogen bond between TM3 and TM4 in heliorhodopsins, similar to the DC gate in channelrhodopsins.


Subject(s)
Hydrogen Bonding , Kinetics , Rhodopsins, Microbial/chemistry , Rhodopsins, Microbial/metabolism , Rhodopsins, Microbial/genetics , Serine/chemistry , Serine/metabolism , Asparagine/chemistry , Asparagine/metabolism , Models, Molecular , Protein Conformation
14.
Food Chem ; 456: 139985, 2024 Oct 30.
Article in English | MEDLINE | ID: mdl-38878533

ABSTRACT

In this investigation, three medicinal plant powders and a composite flour developed from them were analyzed. FESEM/EDS illustrated irregularly shaped particles in the plant powders except for Withania, which had round to oval shape particles. XRD analysis displayed a semi-crystalline nature of powders, except for Asparagus, which showed amorphous behavior. Both methanol and ethanol plant extracts exhibited significantly higher antioxidants, total phenols, and cell viability. Amongst, optimized composite flour (OCF) methanolic extract demonstrated the highest total phenolic content (69.2 ± 0.11 µg GAE/ml), potent cell viability against A549 cells (3.35 ± 0.15% at 50 µg/ml), and strong free-radical scavenging activity (48.89 ± 0.67 at 200 µg/ml). GCMS and FTIR analyses of the methanolic extracts demonstrated the presence of essential phytoconstituents and functional groups. In silico studies of the phytocomponents, ethyl isoallocholate, 3-Deoxy-d-mannoic lactone, and 4,5-Diamino-2-hydroxypyrimidine suggested good binding affinity against BAX, P53, and EGFR proteins with no toxicity and a good drug score.


Subject(s)
Antioxidants , Cell Survival , Flour , Phytochemicals , Plant Extracts , Plants, Medicinal , Humans , Antioxidants/chemistry , Antioxidants/pharmacology , Plant Extracts/chemistry , Plant Extracts/pharmacology , Phytochemicals/chemistry , Phytochemicals/pharmacology , Plants, Medicinal/chemistry , Flour/analysis , Cell Survival/drug effects , A549 Cells , Phenols/chemistry
15.
Entropy (Basel) ; 26(6)2024 May 28.
Article in English | MEDLINE | ID: mdl-38920470

ABSTRACT

Quantum computing (QC) has opened the door to advancements in machine learning (ML) tasks that are currently implemented in the classical domain. Convolutional neural networks (CNNs) are classical ML architectures that exploit data locality and possess a simpler structure than a fully connected multi-layer perceptrons (MLPs) without compromising the accuracy of classification. However, the concept of preserving data locality is usually overlooked in the existing quantum counterparts of CNNs, particularly for extracting multifeatures in multidimensional data. In this paper, we present an multidimensional quantum convolutional classifier (MQCC) that performs multidimensional and multifeature quantum convolution with average and Euclidean pooling, thus adapting the CNN structure to a variational quantum algorithm (VQA). The experimental work was conducted using multidimensional data to validate the correctness and demonstrate the scalability of the proposed method utilizing both noisy and noise-free quantum simulations. We evaluated the MQCC model with reference to reported work on state-of-the-art quantum simulators from IBM Quantum and Xanadu using a variety of standard ML datasets. The experimental results show the favorable characteristics of our proposed techniques compared with existing work with respect to a number of quantitative metrics, such as the number of training parameters, cross-entropy loss, classification accuracy, circuit depth, and quantum gate count.

16.
Fitoterapia ; 176: 106036, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38801891

ABSTRACT

The variety of bioactive compounds found in different species of Amaranthus, an herb that is a staple food in many parts of India. The plethora of herb Amaranthus has been a rich source of bioactive compounds like essential oils, sesquiterpenes, diterpenes, triterpenes, phenolic acids, flavonoids, etc. The traditional uses of Amaranthus, spp. have been established scientifically and were shown due to the presence of different phytochemicals. Although the pharmacological activities of Amaranthus genus have been well-documented, further studies are needed to fully understand their mechanisms of action and clinical applications. In conclusion, the phytochemistry and pharmacological activity of genus Amaranthus make it a promising source of natural products for drug discovery and development. The present is review mainly concise to the ethnopharmacological relevance and pharmacological studies of Amaranthus species. This conclusive review work may on Amaranthus species provided the interconnection of bioactive molecules with its ethno pharmacological utility of plant species.


Subject(s)
Amaranthus , Phytochemicals , Amaranthus/chemistry , Phytochemicals/pharmacology , Phytochemicals/isolation & purification , Humans , Molecular Structure , Ethnopharmacology , India , Plant Extracts/pharmacology , Plant Extracts/chemistry , Oils, Volatile/pharmacology , Oils, Volatile/chemistry
17.
Article in English | MEDLINE | ID: mdl-38718214

ABSTRACT

BACKGROUND: Recurrent somatic mutations in the JAK2, CALR, and the MPL genes are noted in BCR: ABL1 negative classic myeloproliferative neoplasms (MPN) that includes polycythemia vera (PV), essential thrombocytosis (ET), and primary myelofibrosis (PMF). MATERIALS AND METHODS: Mutation profile and clinical features of MPN cases diagnosed at a tertiary care center in North India are being described. JAK2V617F mutation was screened using ARMS PCR, and CALR mutation was screened using allele-specific PCR followed by fragment analysis. MPL and JAK2 Exon 12 mutations were screened by Sanger sequencing. Some of the samples were also screened using commercial kits based on single-plex RT PCR. RESULTS: A total of 378 cases (including 124 PV, 121 ET, and 133 PMF cases) were screened over 6.5 years. JAK2V617F mutation was noted in 90.3%, 61.1%, and 69.2% of cases of PV, ET, and PMF, respectively. In PV, JAK2V617F wild-type cases were associated with a significantly lower age (44 yrs vs 54 yrs; P = 0.001), lower TLC (6.3 vs 16.9; P = 0.001), and a lower platelet count (188 × 109/L vs 435 × 109/L; P = 0.009) as compared to the JAK2V617F mutated cases. CALR and MPL mutations were noted in 17.4% and 12% and 0.8% and 5.3% of ET and PMF cases, respectively. Type 1 CALR mutations were commoner in both ET and PMF. The triple negative cases constituted 20.7% and 13.5% cases of ET and PMF, respectively. In ET, the triple negative cases were found to have a significantly lower median age of presentation (42 yrs vs 52 yrs; P = 0.001), lower median TLC (10.2 × 109/L vs 13.2 × 109/L; P = 0.024), and a higher median platelet count (1238 × 109/L vs 906 × 109/L; P = 0.001) as compared to driver genes mutated cases. In PMF, the triple negative cases were found to have a significantly lower hemoglobin level (7.9 g/dl vs 11.0 gl/dl; P = 0.001) and a significant female preponderance (P = 0.05) as compared to the mutated cases. CALR mutations were found to have a significantly lower median age (43 yrs vs 56 yrs; P = 0.001) and lower hemoglobin (9.6 g/dl vs 11.3 g/dl) as compared to the JAK2 mutations. CONCLUSION: Our data on the driver gene mutational profile of BCR: ABL1 negative MPN is one of the largest patient cohorts. The prevalence and clinicopathological features corroborate with that of other Asian studies.

18.
Cureus ; 16(4): e58454, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38765448

ABSTRACT

Background Clinical research presents a promising path for improving healthcare in contemporary India. Yet, researchers identify gaps in trust, awareness, as well as misconceptions about being a '"guinea pig." We proposed building the capacity of training patient advocacy groups (PAGs) in patient-centered clinical research and through them creating aware patients as research partners. Methodology Patient Advocates for Clinical Research (PACER) is a tiered program to share information and education about clinical research with PAGs. Tier one is a self-paced online learning course, followed by workshops on clinical research, Good Clinical Practice, research consent, case studies, and group discussions. Results A total of 20 PAGs represented by 48 participants, active in areas of pediatric cancer, breast cancer, multiple myeloma, type I diabetes, spinal muscular atrophy, sickle cell disease, and inflammatory bowel diseases, participated. Among 48 participants 30 successfully completed the online course (multiple-choice question evaluation score cut-off >70%), attaining an average score of 23.9 ± 2.1 out of 30. Overall, 48 participants attended workshop 1 and 45 workshop 2, with 140 participants joining the focus group discussion (FGD). An overall improvement of 9.4% (𝜒2 = 46.173; p < 0.001) for workshop 1 and 8.2% (𝜒2 = 25.412; p < 0.001) for workshop 2 was seen in knowledge gain about clinical research. The FGD raised issues such as misleading information from research teams, unethical recruitment, incomprehensible information sheets, and limited trial-related knowledge fostering fear of participation in clinical research. Conclusions Multimodal and tiered learning of clinical research such as that used by PACER has a good participatory and learning response from PAGs and may be further explored.

19.
Int J Mol Sci ; 25(10)2024 May 17.
Article in English | MEDLINE | ID: mdl-38791521

ABSTRACT

Molecular chaperones are highly conserved across evolution and play a crucial role in preserving protein homeostasis. The 60 kDa heat shock protein (HSP60), also referred to as chaperonin 60 (Cpn60), resides within mitochondria and is involved in maintaining the organelle's proteome integrity and homeostasis. The HSP60 family, encompassing Cpn60, plays diverse roles in cellular processes, including protein folding, cell signaling, and managing high-temperature stress. In prokaryotes, HSP60 is well understood as a GroEL/GroES complex, which forms a double-ring cavity and aids in protein folding. In eukaryotes, HSP60 is implicated in numerous biological functions, like facilitating the folding of native proteins and influencing disease and development processes. Notably, research highlights its critical involvement in sustaining oxidative stress and preserving mitochondrial integrity. HSP60 perturbation results in the loss of the mitochondria integrity and activates apoptosis. Currently, numerous clinical investigations are in progress to explore targeting HSP60 both in vivo and in vitro across various disease models. These studies aim to enhance our comprehension of disease mechanisms and potentially harness HSP60 as a therapeutic target for various conditions, including cancer, inflammatory disorders, and neurodegenerative diseases. This review delves into the diverse functions of HSP60 in regulating proteo-homeostasis, oxidative stress, ROS, apoptosis, and its implications in diseases like cancer and neurodegeneration.


Subject(s)
Chaperonin 60 , Mitochondria , Oxidative Stress , Chaperonin 60/metabolism , Chaperonin 60/genetics , Humans , Animals , Mitochondria/metabolism , Neoplasms/metabolism , Neoplasms/genetics , Neoplasms/pathology , Apoptosis , Neurodegenerative Diseases/metabolism , Protein Folding , Reactive Oxygen Species/metabolism
20.
Int J Lab Hematol ; 2024 May 06.
Article in English | MEDLINE | ID: mdl-38711332

ABSTRACT

INTRODUCTION: Leukemic stem cells (LSCs) are the transcriptionally low/silent cells which are resistant to the tyrosine kinase inhibitor. These have been found to play a pivotal role in disease relapse in chronic myeloid leukemia (CML) cases. The present study evaluated the correlation of absolute CML-LSC count in the peripheral blood (PB) at diagnosis and achievement of major molecular response (MMR) at 12 months in patients of CML-CP. METHODS: This was a prospective, observational, non-interventional single center study including newly diagnosed adult (>18 yrs) CML-CP patients. Absolute CD26 + CML-LSC quantification was done by multiparametric flow cytometry. Patients were treated with Imatinib treatment and subsequently monitored at 3-month intervals for BCR::ABL transcript levels. MMR was defined as a BCR::ABL1 transcript level of less than 0.1% on international scale. RESULTS: A total of 89 patients were enrolled in the study out of which 40.5% achieved MMR at 12 months. There was a significant difference in the median absolute CML-LSC count of the patients who achieved MMR at 12 months as compared to those who did not (58.5 vs 368.1 cells/µL; p value <0.001). Using a ROC analysis, a count of <165.69 CML LSC/µL was identified to have a sensitivity of 83.8% and specificity of 72.4%, in predicting the MMR at 12 months. CONCLUSION: Absolute CML-LSC count at diagnosis in the PB predicts the MMR achievement at 12 months. An absolute count of less than 165 cells/µL is highly predictive of achieving MMR at 12 months.

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