Phytoplasmas belong to the parasitic group of mollicutes, which represent a phylogenetically coherent group of pathogens that colonize a wide spectrum of hosts and insects [1].
Jaime Mejías-Bielsa, Beatriz Agredano-Ávila, Eva Vázquez Tarrio and Ana Teijo-Quintáns*
Published on: 23rd September, 2024
The ciliated hepatic cyst of the anterior intestine is a less frequent benign entity that arises from the alteration in the migration of embryological remains. Most of them are found in the left lobe of the liver, especially in segment IV. Its wall is covered by a pseudostratified ciliated columnar epithelium, a layer of connective tissue, smooth muscle, and a surrounding fibrous outer layer. We present the case of a 61-year-old man who, in the context of a scheduled admission for drainage of an intraabdominal abscess, was incidentally discovered to have a hepatic lesion of cystic aspect. The anatomopathological diagnosis was that of a ciliated hepatic cyst. Due to its low frequency in clinical practice (in part due to its incidental character), a review of the case and a review in the literature of the peculiarities of said entity are proposed.
Background: Clinical research is a vital component of medical advancements, contributing to the discovery of new treatments, procedures, and health interventions. This paper discusses the importance of clinical trials, the structure and phases of trials, ethical considerations in research, and the role of modern technologies in reshaping clinical trials.Objective: This article aims to provide a comprehensive overview of the clinical trial process, ethical compliance, and the integration of technological advancements, with real-world examples and recent studies to support the discussion.Methods: The article provides a descriptive analysis of the different types of clinical research, the various phases of clinical trials, and ethical considerations based on established guidelines such as the Declaration of Helsinki and the Belmont Report. It also examines how recent technological innovations, including AI, wearable devices, and Electronic Health Records (EHRs), have revolutionized the field.Results: The integration of technology into clinical research has resulted in more efficient, data-driven, and patient-centric trials. Ethical compliance, guided by international regulations, remains a critical factor in ensuring patient safety and maintaining public trust in clinical research.Conclusion: The future of clinical research relies heavily on technological innovation and strict adherence to ethical guidelines. As new treatments and therapies emerge, the structure of trials and the responsible use of technology will play an essential role in shaping the future of healthcare.
Luisetto M*, Nili B Ahmadabadi, Khaled Edbey and Oleg Yurevich Latyshev
Published on: 29th March, 2024
In the biopharmaceutical production field, the purification process is a crucial step in order to obtain Drugs with an impurity profile according to the regulatory agency requirement.The aim of this work is to verify some relevant and recent literature and after analysis to submit to the researcher new Solutions in order to improve global safety and the toxicological profile: Submit a project related to the continuous testing of the purified materials using Raman spectroscopy – with pre-treatment of the sample: using solvents.Nanolipis Payload of Biopharmaceutical is not efficiently detected by direct Raman spectroscopy allowed by the regulatory agency for PAT process analytical technology.
Jianing Chen, Guangping Wang, Hanyun Liang, Yan Zhao, Xin Gao, Xiankuan Li* and Jian Zhang*
Published on: 8th April, 2024
Methyl Jasmonate (MeJA) can be used as a signal molecule to regulate the expression of resistance genes in the resistance to abiotic stress, thus improving the salt tolerance of wild jujube. Among the resistance genes combined with methyl jasmonate, transcription factors play an important role in response to salt stress. However, the interaction of transcription factors in different tissues under salt stress and the regulation of transcription factors by MeJA remain unclear. In this study, the effects of MeJA on transcription factor expression in wild jujube under salt stress were investigated, and the differences in transcription factor expression among different tissues were compared. It was found that MeJA could increase the type and quantity of transcription factors responding to salt stress. The types of transcription factors responding to salt stress were roughly the same among different tissues, but the quantity and expression of the transcription factors were significantly different. The results of transcription factor co-expression analysis showed that transcription factors play synergistic roles in the face of abiotic stress, which can provide preferable genes for subsequent transgenic work.
Ernesto López-Chávez*, Alberto García-Quiroz, Yesica Antonia Peña-Castañeda, José Antonio Irán Díaz-Góngora, José Alberto Mendoza-Espinoza, Jose Antonio López-Barrera and Fray de Landa Castillo-Alvarado
Published on: 12th April, 2024
Today, it is well known that Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has four types of proteins within its structure, between them the spike protein (S). The infection mechanism is carried out by the entry of the virus into the human host cell through the S protein, which strongly interacts with the human cell receptor angiotensin-converting enzyme 2 (ACE2). In this work, we propose an atomic model of the Receptor Binding Domain (RBD) of the S spike protein of the wild-type SARS-CoV-2 virus. The molecular structure of the model was composed of 50 amino acids that were chemically bonded, starting with Leucine and ending with one amino acid Tyrosine. The novelty of our work lies in the importance of knowing the sites and zones of maximum reactivity of the RBD from the fundamental levels of quantum mechanics considering the atomic structure of matter. For this, the local and global reactivity indices of the RBD were calculated, such as frontier orbitals, Highest Occupied Molecular Orbital (HOMO) and Lowest Unoccupied Molecular Orbital (LUMO), Fukui indices, chemical potential, chemical hardness, electrophilicity index; with this, it will be possible to know what type of molecules are more likely to interact with the RBD structure, and in this way, new knowledge will be generated at the quantum, atomic and molecular level to inhibit the virulent effects of wild-type SARS-CoV-2. Finally, in order to identify the functional groups within the most stable structure and thereby verify the future reactions that can be carried out between the RBD structure and biomolecules, the Infrared (IR) absorption spectrum was calculated. For this work, we used Material Studio v6.0 which uses the density functional theory (DFT) implemented in its DMol3 computational code. The IR spectrum was obtained using the Spartan ‘94 computer code. One novelty would be that we found nine amino acids more that could make the RBD and ACE2 binding further the already known. Thus, the Mulliken charge distribution indicates that the highest concentrations of positive and negative charge are found in the zones 477S, 478T, 484E, and 501N amino acids letting ionic or Van der Waals possible interactions with other structures.
Background: Relapsing polychondritis is a rare systemic disease characterized by recurrent inflammation, and often destruction, of cartilaginous tissues. Renal manifestations are rare. Membranous nephropathy complicating relapsing polychondritis has been reported only once previously, and there is no standardized treatment for membranous nephropathy associated with relapsing polychondritis.Case presentation: A 67-year-old Caucasian man with a history of chronic renal disease presented with 9 months of progressive dyspnea on exertion and 5 months of erythema, pain, and collapse of auricular cartilage. Imaging studies confirmed active inflammation of laryngeal, auricular, and costal cartilage and he was diagnosed with relapsing polychondritis. Patient had longstanding proteinuria and renal biopsy demonstrated membranous nephropathy. Patient initially showed renal and respiratory improvement with etanercept, a tumor necrosis factor alpha inhibitor, treatment. However, subsequent disease and treatment-related complications led to a progressive overall clinical decline and patient died approximately 1 year following relapsing polychondritis diagnosis.Conclusion: Membranous nephropathy may rarely complicate relapsing polychondritis. In our case, both the cartilaginous inflammation and the renal disease improved after treatment with tumor necrosis factor alpha blockade, however complications of existing airway disease led to recurrent hospitalizations and eventually death.
Oleg Shevelev*, Smolensky AV, Mengistu EM and Yuriev MY
Published on: 28th June, 2022
Cerebral brain injuries (CBIs) account for up to 20% of all injuries in boxing. Approximately 97% of sports-related brain injuries are mild, their neurological symptoms are unexpressed, and young, strong, highly motivated athletes tend to dismiss the severity of their injuries. This may lead to an underestimation of the severity and extent of brain injuries. Changes in computed tomography (CT) and magnetic resonance imaging (MRI) in mild traumatic brain injury are absent in the early stages, making diagnosis difficult. Frequent repetitive traumatic brain injuries, including mild brain injuries, can result in functional and structural brain lesions that affect athletes’ performance and, in the long term, significantly impair their quality of life. Also, the consequences of cerebral brain injuries, including mild brain injury, can be affected by the individual condition of the Circle of Willis.
Objectives: Investigate binge-watching (BW) behavior among students and assess its correlation with anxiety and depressive symptoms. Methods: Medical students who met the definition of BW were divided, according to their viewing frequency, into three groups: G1: once a month or less, G2: once a week or once every two weeks, and G3: twice a week or more. Beck Depression Inventory and State-Trait Anxiety Inventory were used. Results: Ninety-four participants were recruited. The prevalence of BW was 72.3%. Depression and anxiety scores didn’t differ between binge watchers and the non-binge watcher group. G2 was found to be significantly less depressed (p = 0.014) and had a lower anxiety state (p = 0.05) and anxiety trait scores (p = 0.026) than the control group. Feeling tired was the most prevalent reason to stop viewing among G3 (p = 0.001). Conclusion: Binge-watching could be when used in a specific manner, a way to cope with negative feelings.
Chronic fatigue syndrome (CFS) is a poorly-understood respiratory condition that affects millions of individuals. Hyperbaric oxygen therapy (HBOT) is a treatment option being considered to address CFS as it is suggested to combat fatigue and increase oxygenation. HBOT provides two opportunities in advancing research of CFS: it may provide data on symptom amelioration and be utilized in the search for a biomarker. By either identifying biomarkers before using HBOT to compare epigenomes of patients before and after treatment or using HBOT to find epigenetic discrepancies between patients with and without treatment, matching epigenetic regulation with symptom amelioration may significantly advance the understanding of the etiology and treatment mechanism for CFS. EPAS1/HIF-2α is a leading candidate for an epigenetic biomarker as it responds differentially to hypoxic and normoxic conditions, which degrades more slowly in hypoxic conditions. Epigenetic regulation of EPAS1/HIF-2α in such differential conditions may be explored in HBOT experiments. In addition to HBOT as a promising treatment option for CFS symptoms, it may aid the identification of biomarkers in CFS. Further research into both outcomes is strongly encouraged.
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