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1.
Adv Exp Med Biol ; 1451: 383-397, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38801592

RESUMO

Monkeypox (Mpox) virus is a zoonotic disease that was recently declared a public health emergency of international concern (PHEIC) by the World Health Organization (WHO). Symptoms of Mpox include fever, headache, muscle pain, and a rash which starts on the face and spreads to the rest of the body. The stigma surrounding the Mpox virus has been one of the greatest challenges in dealing with the disease. People with Mpox have been often shunned by their communities, and many are afraid to seek medical care for fear of ostracism. For those affected by the virus, this stigma can significantly impact their mental health and quality of life. It is further fueled by misinformation and societal norms. Hence, a multifaceted approach that includes education, awareness campaigns, and community engagement is needed to overcome the stigma associated with Mpox. Effective communication strategies are critical to the dispelling of rumors and the reduction of fear. Interventional measures need to be shaped according to the needs of those affected.


Assuntos
Mpox , Estigma Social , Humanos , Animais , Mpox/psicologia , Mpox/epidemiologia , Monkeypox virus/patogenicidade , Conhecimentos, Atitudes e Prática em Saúde
2.
Int Braz J Urol ; 50(3): 277-286, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38598830

RESUMO

PURPOSE: CT-guided MWA is a safe and effective tool that should be utilized in the treatment of small renal masses (SRMs). We aim to clarify the utility of CT-guided MWA by examining patient outcomes such as recurrence, treatment success, changes in renal function, and complications. METHODS: A retrospective review of consecutive patients with SRMs who underwent same day renal mass biopsy (RMB) and CT-guided MWA between 2015 and 2022 was performed. Treatment safety was assessed by 30-day complications according to the Clavien-Dindo system and change in eGFR >30 days post-procedure. Treatment efficacy was defined by local recurrence and incomplete treatment rates and calculated using the Kaplan-Meier method. RESULTS: A total of 108 renal masses were found in 104 patients. The overall complication rate was 7.4% (8/108), of which 4 were major complications (3.7%). For those with renal function available >30 days post ablation, the median eGFR was 47.2 (IQR: 36.0, 57), compared to 52.3 (IQR: 43.7, 61.5) pre-ablation, p<0.0001. 5-year local recurrence free survival was 86%. Among those with biopsy proven malignancy (n= 66), there were five local recurrences (7.54%) occurring at a median of 25.1 months (IQR 19.9, 36.2) and one case (1.5%) of incomplete treatment. CONCLUSIONS: As the medical field continues to evolve towards less invasive interventions, MWA offers a valuable tool in the management of renal masses. With low major complication and recurrence rates, our findings support the utility of CT-guided MWA as a tool for treatment of SRMs.


Assuntos
Técnicas de Ablação , Carcinoma de Células Renais , Ablação por Cateter , Neoplasias Renais , Humanos , Neoplasias Renais/patologia , Carcinoma de Células Renais/patologia , Micro-Ondas/uso terapêutico , Resultado do Tratamento , Técnicas de Ablação/efeitos adversos , Técnicas de Ablação/métodos , Estudos Retrospectivos , Ablação por Cateter/métodos
3.
Proc Natl Acad Sci U S A ; 116(42): 20959-20968, 2019 10 15.
Artigo em Inglês | MEDLINE | ID: mdl-31570623

RESUMO

Genome editing using the CRISPR/Cas9 system has been used to make precise heritable changes in the DNA of organisms. Although the widely used Streptococcus pyogenes Cas9 (SpCas9) and its engineered variants have been efficiently harnessed for numerous gene-editing applications across different platforms, concerns remain regarding their putative off-targeting at multiple loci across the genome. Here we report that Francisella novicida Cas9 (FnCas9) shows a very high specificity of binding to its intended targets and negligible binding to off-target loci. The specificity is determined by its minimal binding affinity with DNA when mismatches to the target single-guide RNA (sgRNA) are present in the sgRNA:DNA heteroduplex. FnCas9 produces staggered cleavage, higher homology-directed repair rates, and very low nonspecific genome editing compared to SpCas9. We demonstrate FnCas9-mediated correction of the sickle cell mutation in patient-derived induced pluripotent stem cells and propose that it can be used for precise therapeutic genome editing for a wide variety of genetic disorders.


Assuntos
Proteína 9 Associada à CRISPR/química , Proteína 9 Associada à CRISPR/metabolismo , DNA/genética , Francisella/enzimologia , Edição de Genes , Animais , Proteína 9 Associada à CRISPR/genética , Catálise , DNA/química , DNA/metabolismo , Francisella/genética , Genoma , Humanos , Cinética , Especificidade por Substrato
4.
Stem Cells ; 36(3): 313-324, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-29230913

RESUMO

Cell type-specific investigations commonly use gene reporters or single-cell analytical techniques. However, reporter line development is arduous and generally limited to a single gene of interest, while single-cell RNA (scRNA)-sequencing (seq) frequently yields equivocal results that preclude definitive cell identification. To examine gene expression profiles of multiple retinal cell types derived from human pluripotent stem cells (hPSCs), we performed scRNA-seq on optic vesicle (OV)-like structures cultured under cGMP-compatible conditions. However, efforts to apply traditional scRNA-seq analytical methods based on unbiased algorithms were unrevealing. Therefore, we developed a simple, versatile, and universally applicable approach that generates gene expression data akin to those obtained from reporter lines. This method ranks single cells by expression level of a bait gene and searches the transcriptome for genes whose cell-to-cell rank order expression most closely matches that of the bait. Moreover, multiple bait genes can be combined to refine datasets. Using this approach, we provide further evidence for the authenticity of hPSC-derived retinal cell types. Stem Cells 2018;36:313-324.


Assuntos
Sequenciamento de Nucleotídeos em Larga Escala/métodos , Células-Tronco Pluripotentes/citologia , Células-Tronco Pluripotentes/metabolismo , Retina/citologia , Análise de Célula Única/métodos , Perfilação da Expressão Gênica , Humanos , Análise de Sequência de RNA/métodos
9.
Ecotoxicol Environ Saf ; 121: 105-9, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-25957849

RESUMO

The production of biofuels as alternative energy source over fossil fuels has gained immense interest over the years as it can contribute significantly to reduce the greenhouse gas (GHG) emissions from energy production and utilization. Also with rapidly increasing fuel price and fall in oil wells, the present scenario forces us to look for an alternative source of energy that will help us in the operation of industrial as well as the transportation sector. The pulp mills in India are one of the many options. The pulp mills in India can help us to produce bio-fuels by thermo-chemical/biochemical conversion of black liquor and wood residues. These technologies include extraction of hemi-cellulose from wooden chips and black liquor, lignin from black liquor, methanol from evaporator condensates, biogas production from waste sludge, syngas production from biomass using gasification and bio-oil production from biomass using pyrolysis. The objective of this paper is to overview these emerging bio-refinery technologies that can be implemented in Indian Forest Industry to get bio-fuels, bio-chemicals and bio-energy to reduce GHG emissions.


Assuntos
Biocombustíveis/análise , Fontes Geradoras de Energia , Efeito Estufa , Fenômenos Bioquímicos , Biomassa , Conservação dos Recursos Naturais , Florestas , Combustíveis Fósseis , Índia , Resíduos Industriais/análise , Lignina/isolamento & purificação , Metanol/isolamento & purificação , Polissacarídeos/isolamento & purificação , Esgotos/análise , Madeira/química
10.
Arch Dermatol Res ; 316(7): 445, 2024 Jul 02.
Artigo em Inglês | MEDLINE | ID: mdl-38955839

RESUMO

Hidradenitis suppurativa (HS) is a chronic inflammatory cutaneous disease that often leads to decreased quality of life. Prior research assessing stress and discrimination related to stigmatization of those with HS is limited. The aim of this study was to examine the association between HS and the following factors related to psychosocial well-being: stress, discrimination, and loneliness. We performed secondary analysis of participants 18 years and older registered in the National Institutes of Health's All of Us Research Program in March 2024. The study sample was limited to individuals who had completed ≥ 1 of 4 psychosocial well-being surveys. Among 1,352 individuals with HS, 135 were included in the sample. Among 208,290 individuals without HS, 56,902 were included. The following surveys assessed loneliness, stress, perceived discrimination in everyday settings, and perceived discrimination in medical settings, respectively: the UCLA Loneliness Scale, Cohen Perceived Stress Scale, Everyday Discrimination Scale, and Discrimination in Medical Settings Scale. The association between HS and survey scores was modeled using multivariable linear regression adjusted for self-reported sex, self-reported race and ethnicity, age, and income. In an unadjusted model, those with HS reported a significantly higher degree of stress (MeanHS (SD) = 21.5 (4.74); Meannon-HS (SD) = 19.8 (3.98); p < 0.001), discrimination in everyday settings (MeanHS (SD) = 18.9 (8.16); Meannon-HS (SD) = 16.0 (7.06); p < 0.0001), and discrimination in healthcare settings (MeanHS (SD) = 1.77 (0.64); Meannon-HS (SD) = 1.56 (0.62); p < 0.001). After adjusting for sex, race, age, and income, the association between HS and discrimination in healthcare settings was non-significant; however, associations between HS and increased levels of perceived stress and everyday discrimination remained significant. Low survey completion rates and demographic differences between those who did and did not complete the study surveys may limit generalizability of results. Findings suggest that those with HS may benefit from regular screening for psychosocial well-being and provision of support resources.


Assuntos
Hidradenite Supurativa , Solidão , Qualidade de Vida , Estresse Psicológico , Humanos , Hidradenite Supurativa/psicologia , Masculino , Feminino , Estudos Transversais , Adulto , Pessoa de Meia-Idade , Estresse Psicológico/psicologia , Estresse Psicológico/epidemiologia , Solidão/psicologia , Qualidade de Vida/psicologia , Estados Unidos/epidemiologia , Estigma Social , Inquéritos e Questionários/estatística & dados numéricos , Adulto Jovem , Adolescente
11.
Semin Intervent Radiol ; 40(1): 3-8, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37152802

RESUMO

Sarcopenia is a progressive muscle wasting syndrome involving loss in skeletal muscle mass, strength, and function. It is closely associated with cirrhosis and its complications with up to more than half of cirrhotic patients demonstrating imaging findings of sarcopenia. The pathogenesis of this syndrome remains complex, including multiple factors involved in skeletal muscle homeostasis, systemic inflammation, and energy dysregulation. Many modalities exist in assessing and measuring sarcopenia. The use of cross-sectional imaging, such as computed tomography and magnetic resonance imaging, with accurate and clinically proven assessment software should be considered the gold standard. Sarcopenia has become the focus of ongoing extensive research with initial findings highlighting increased mortality and complication rates in patient with cirrhosis and hepatocellular carcinoma. Additional studies have demonstrated reversal and improved survival in sarcopenic patients who have undergone transjugular intrahepatic portosystemic shunt placement. Thus, accounting for sarcopenia can help risk stratify patients prior to interventional procedures to allow for better outcomes and improved survival.

12.
Dent J (Basel) ; 11(1)2023 Jan 03.
Artigo em Inglês | MEDLINE | ID: mdl-36661553

RESUMO

Temporomandibular joint ankylosis (TMJA) is a rare, but debilitating, condition that leads to TMJ joint hypomobility. Surgery is the mainstay for treatment, which is accompanied by rehabilitative and psychological support. Despite the advances in surgical techniques, the recurrence of TMJA post-surgery has been reported as a common complication. Therefore, it becomes essential to investigate and understand the histo-morpho-pathological processes governing these ankylotic changes. Given the lack of such studies in the literature, herein we present a case of a girl child who underwent primary surgery at the age of six years, followed by a second surgery at the age of twelve years. Ankylotic tissue samples collected during both surgeries were studied using various immunohistochemical markers for tissue remodeling, inflammation, antimicrobial activity, and transcriptional regulation. The expression of MMP-2 and -9 was downregulated in repeated surgery materials, whilst MMP-13 was rarely detected in both tissues. Strong MMP-8, TIMP-2, and TIMP-4 expressions were noted in both tissues, showing their anti-inflammatory and protective roles. Moderately strong expression of bFGF, FGFR-1, IL-1α, and TNF-α could indicate sustained tissue growth in the background of inflammation (wound healing). Interestingly, the expression of ß-defensin-2 was found to be constant in both tissues, thereby indicating possible ECM remodeling and collagen breakdown. Finally, a moderate expression of RUNX-2, coupled with a low expression of WNT-1 and -3a, could indicate a slow and delayed bone regeneration process. Our results showcase the complex myriad of pathways that could be involved in the progression of TMJA and post-surgery healing processes. Immunopathological studies could aid in improving the diagnosis, treatment, and prognosis for patients affected with TMJA.

13.
Am Surg ; 89(9): 3859-3861, 2023 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-37144782

RESUMO

Utilization of CT scans in the work-up of trauma patients has led to increasing diagnosis of traumatic pseudoaneurysms (PSAs). While rare, PSAs have devastating consequences if ruptured. Evidence for the benefit of early detection of PSAs is lacking. The objective of this case series was to determine the incidence of solid organ PSAs after trauma. A retrospective chart review of patients with AAST grade 3-5 traumatic solid organ injuries was performed. 47 patients were identified with PSAs. PSAs were most common in the spleen. A CT finding of contrast blush or extravasation was found in 33 patients. 36 patients underwent embolization. 12 patients had an abdominal CTA prior to discharge. Re-admission was required for 3 patients. 1 patient presented with PSA rupture. During the study, there was no consistency in surveillance for PSAs. Future studies are needed to develop evidence-based practice guidelines for PSA surveillance in high risk populations.


Assuntos
Traumatismos Abdominais , Falso Aneurisma , Ferimentos não Penetrantes , Masculino , Humanos , Falso Aneurisma/diagnóstico por imagem , Falso Aneurisma/epidemiologia , Falso Aneurisma/etiologia , Estudos Retrospectivos , Antígeno Prostático Específico , Ferimentos não Penetrantes/complicações , Ferimentos não Penetrantes/diagnóstico por imagem , Ferimentos não Penetrantes/terapia , Baço/lesões , Traumatismos Abdominais/complicações , Traumatismos Abdominais/diagnóstico por imagem
14.
AIMS Public Health ; 10(4): 849-866, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38187896

RESUMO

In November 2022, the global population had officially crossed eight billion. It has long been recognized that socioeconomic or health-related problems in the community always accompany an uncontrolled population expansion. International calls have been made regarding lack of universal health coverage, an insufficient supply of healthcare providers, the burden of noncommunicable disease, population aging and the difficulty in obtaining safe drinking water and food. The present health policy paper discusses how to conquer these crowded world issues, including (1) promoting government and international organization participation in providing appropriate infrastructure, funding and distribution to assist people's health and well-being; (2) shifting health program towards a more preventive approach and (3) reducing inequalities, particularly for the marginalized, isolated and underrepresented population. These fundamental principles of health policy delivery as a response to an increasingly crowded world and its challenges are crucial for reducing the burden associated with excessive healthcare costs, decreased productivity and deteriorating environmental quality.

15.
J Lab Physicians ; 15(1): 69-77, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37064982

RESUMO

Objective The evaluation of bone marrow (BM) status is an integral part of the initial workup of patients diagnosed with lymphoma as it plays an important role in staging and predicting prognosis in these patients. This article determines the incidence and pattern of BM involvement in lymphoma cases and distinguishes benign from malignant lymphoid aggregates in BM biopsies. Materials and Methods The study group included 121 cases of Hodgkin and non-Hodgkin lymphomas for which BM biopsies were performed, fixed in acetic acid-zinc formalin solution, decalcified using 10% formic acid, and subjected to hematoxylin and eosin and immunohistochemistry. Results The overall incidence of BM biopsy involvement in our study was 31.4% (37/118), including 34.7% (35/101) in cases of B cell lymphomas, 25% (2/8) in cases of T cell lymphomas, and no involvement in Hodgkin lymphoma. The predominant histological pattern of BM involvement was diffused (14/37; 37.8%), followed by interstitial (10/37; 27.1%). Five cases revealed benign nonparatrabecular lymphoid aggregates which could be confused with lymphomatous involvement, especially in low grade lymphomas. Conclusion A careful examination of the BM biopsies along with clinical history, peripheral blood examination, flow cytometry, and immunohistochemistry will help in arriving at the correct diagnosis.

16.
SAGE Open Med Case Rep ; 10: 2050313X221089756, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35433002

RESUMO

Orofacial epidermoid cysts are rare entities that present as encapsulated, subepidermal painless masses, usually slow growing and asymptomatic. They are mostly limited to the floor of the mouth, tongue, lips, palate or jaws. Herein, we present an atypical case of epidermoid cyst originating from the left cheek facial epidermis in a 27-year-old male patient. The cyst presented as a swelling that was slowly progressing in size since the past 1 year with no discharge. Complete excision of the mass was done, and the cyst cavity was found to be filled with a cheesy-white, granular, semi-solid proteinaceous exudate which completely occluded the punctum. The patient post-operatively revealed persistent mechanical trauma due to incorrect workplace habits he developed, which led to the formation of the epidermoid cyst. Patient education was done and was advised to use proper workplace instrumentation.

17.
J Med Educ Curric Dev ; 9: 23821205221096347, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35493964

RESUMO

Conflict medicine is an age-old branch of medicine which focuses on delivering healthcare services to the injured in the setting of conflicts, wars, disasters, and/or other calamities. The course in its purest form has been traditionally given only in military medical schools while civilian medical students are usually taught parts of the course in other overlapping subjects like surgery, infectious diseases, etc. However, in a crisis situation, civilian doctors are expected to double up as military doctors, which leads to emotional, mental, and physical stress for the civilian doctors along with logistical and organizational challenges. The current Covid-19 pandemic and the Russo-Ukrainian conflict have highlighted once again the emergent need for the implementation of conflict medicine courses in regular medical curricula, so as to make the medical students situation-ready. With our present discussion, we aim to provide a brief overview of the course, its core modules, challenges to its implementation, and possible solutions. We believe that the complex management skills gained by this course are not only useful in conflict scenario but are also valuable in managing day-to-day medical emergencies.

18.
J Prim Care Community Health ; 13: 21501319221095358, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35465746

RESUMO

On the 24th of February 2022, the Russian Federation began an unprovoked invasion of Ukraine, marking the biggest military attack in Europe since the second world war. Over 4 million people have fled their homeland within the first month of the war and have triggered a large refugee crisis with impacts far beyond the Ukrainian border. People in the neighboring countries have shown tremendous support by stepping forward to donate food, clothes, medications, money, and other essential supplies. The governments and other regional stakeholders have also been supportive in accommodating and easing regulations for the incoming refugees. Herein, we summarize the humanitarian measures and medical donations that have been made by European countries as they stepped up their efforts to provide refugees with all necessary basic services. We further highlight potential oncoming challenges in Ukraine and the host countries along with relevant solutions to these challenges. The current scenario highlights the need for multi-party and multi-level collaborations (both public and private) to tackle the emerging situation.


Assuntos
Refugiados , Europa (Continente) , Humanos , Assistência Médica , Federação Russa , Ucrânia
19.
J Prim Care Community Health ; 13: 21501319221106625, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35726205

RESUMO

War refugees and veterans have been known to frequently develop neuropsychiatric conditions including depression, post-traumatic stress disorder (PTSD), and anxiety disorders that tend to leave a long-lasting scar and impact their emotional response system. The shear stress, trauma, and mental breakdown from overnight displacement, family separation, and killing of friends and families cannot be described enough. Victims often require years of mental health support as they struggle with sleep difficulties, recurring memories, anxiety, grief, and anger. Everyone develops their coping mechanism which can involve dependence and long-term addiction to alcohol, drugs, violence, or gambling. The high prevalence of mental health disorders during and after the war indicates an undeniable necessity for screening those in need of treatment. For medical health professionals, it is crucial to identify such vulnerable groups who are prone to developing neuropsychiatric morbidities and associated risk factors. It is pivotal to develop and deploy effective and affordable multi-sectoral collaborative care models and therapy, which primarily depends upon family and primary care physicians in the conflict zones. Herein, we provide a brief overview regarding the identification and management of vulnerable populations, alongside discussing the challenges and possible solutions to the same.


Assuntos
Psiquiatria , Refugiados , Transtornos de Estresse Pós-Traumáticos , Veteranos , Conflitos Armados/psicologia , Humanos , Refugiados/psicologia , Transtornos de Estresse Pós-Traumáticos/epidemiologia , Transtornos de Estresse Pós-Traumáticos/terapia
20.
Lancet Reg Health Southeast Asia ; 4: 100031, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-35775040

RESUMO

Background: Tackling the spread of COVID-19 remains a crucial part of ending the pandemic. Its highly contagious nature and constant evolution coupled with a relative lack of immunity make the virus difficult to control. For this, various strategies have been proposed and adopted including limiting contact, social isolation, vaccination, contact tracing, etc. However, given the heterogeneity in the enforcement of these strategies and constant fluctuations in the strictness levels of these strategies, it becomes challenging to assess the true impact of these strategies in controlling the spread of COVID-19. Methods: In the present study, we evaluated various transmission control measures that were imposed in 10 global urban cities and provinces in 2021- Bangkok, Gauteng, Ho Chi Minh City, Jakarta, London, Manila City, New Delhi, New York City, Singapore, and Tokyo. Findings: Based on our analysis, we herein propose the population-level Swiss cheese model for the failures and pitfalls in various strategies that each of these cities and provinces had. Furthermore, whilst all the evaluated cities and provinces took a different personalized approach to managing the pandemic, what remained common was dynamic enforcement and monitoring of breaches of each barrier of protection. The measures taken to reinforce the barriers were adjusted continuously based on the evolving epidemiological situation. Interpretation: How an individual city or province handled the pandemic profoundly affected and determined how the entire country handled the pandemic since the chain of transmission needs to be broken at the very grassroot level to achieve nationwide control. Funding: The present study did not receive any external funding.

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