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1.
Clin Neurol Neurosurg ; 241: 108286, 2024 06.
Artículo en Inglés | MEDLINE | ID: mdl-38657326

RESUMEN

Attempts at body contour modifications have led to the use of different alloplastic materials that can irreversibly damage health and risk patients' lives. These modeling substances can induce a general autoimmune inflammatory response, producing a very heterogeneous clinical spectrum ranging from mild and severe systemic to local symptoms that sometimes affect peripheral nerves. We report a unique case of a tumor-like sciatic nerve impairment produced months after the injection of a modeling substance into the buttocks for esthetic purposes. The patient was treated with a surgical decompression of the sciatic nerve that encompassed the removal of the injected mass. This approach ultimately yielded a complete neurological recovery of the affected nerve. We emphasize the diagnostic approach and surgical management employed in this unique case and review the current literature on this infrequent complication.


Asunto(s)
Neuropatía Ciática , Humanos , Neuropatía Ciática/cirugía , Femenino , Nervio Ciático , Descompresión Quirúrgica/métodos , Nalgas/cirugía , Adulto
2.
BMC Vet Res ; 20(1): 82, 2024 Mar 06.
Artículo en Inglés | MEDLINE | ID: mdl-38448902

RESUMEN

BACKGROUND: Senecavirus A (SVA) causes an emerging vesicular disease (VD) with clinical symptoms indistinguishable from other vesicular diseases, including vesicular stomatitis (VS), foot-and-mouth disease (FMD), and swine vesicular disease (SVD). Currently, SVA outbreaks have been reported in Canada, the U.S.A, Brazil, Thailand, Vietnam, Colombia, and China. Based on the experience of prevention and control of FMDV, vaccines are the best means to prevent SVA transmission. RESULTS: After preparing an SVA inactivated vaccine (CH-GX-01-2019), we evaluated the immunogenicity of the SVA inactivated vaccine mixed with Imject® Alum (SVA + AL) or Montanide ISA 201 (SVA + 201) adjuvant in mice, as well as the immunogenicity of the SVA inactivated vaccine combined with Montanide ISA 201 adjuvant in post-weaned pigs. The results of the mouse experiment showed that the immune effects in the SVA + 201 group were superior to that in the SVA + AL group. Results from pigs immunized with SVA inactivated vaccine combined with Montanide ISA 201 showed that the immune effects were largely consistent between the SVA-H group (200 µg) and SVA-L group (50 µg); the viral load in tissues and blood was significantly reduced and no clinical symptoms occurred in the vaccinated pigs. CONCLUSIONS: Montanide ISA 201 is a better adjuvant choice than the Imject® Alum adjuvant in the SVA inactivated vaccine preparation, and the CH-GX-01-2019 SVA inactivated vaccine can provide effective protection for pigs.


Asunto(s)
Adyuvantes Inmunológicos , Compuestos de Alumbre , Manitol/análogos & derivados , Aceite Mineral , Ácidos Oléicos , Picornaviridae , Animales , Ratones , Porcinos , Vacunas de Productos Inactivados
3.
Int Immunopharmacol ; 132: 111948, 2024 May 10.
Artículo en Inglés | MEDLINE | ID: mdl-38554445

RESUMEN

Cancer is attributed to uncontrolled cell growth and is among the leading causes of death with no known effective treatment while complex tumor microenvironment (TME) and multidrug resistance (MDR) are major challenges for developing an effective therapeutic strategy. Advancement in cancer immunotherapy has been limited by the over-activation of the host immune response that ultimately affects healthy tissues or organs and leads to a feeble response of the patient's immune system against tumor cells. Besides, traditional herbal medicines (THM) have been well-known for their essential role in the treatment of cancer and are considered relatively safe due to their compatibility with the human body. Yet, poor solubility, low bio-availability, and lack of understanding about their pathophysiological mechanism halt their clinical application. Moreover, considering the complex TME and drug resistance, the most precarious and least discussed concerns for developing THM-based nano-vaccination, are identification of specific biomarkers for drug inhibitory protein and targeted delivery of bioactive ingredients of THM on the specific sites in tumor cells. The concept of THM-based nano-vaccination indicates immunomodulation of TME by THM-based bioactive adjuvants, exerting immunomodulatory effects, via targeted inhibition of key proteins involved in the metastasis of cancer. However, this concept is at its nascent stage and very few preclinical studies provided the evidence to support clinical translation. Therefore, we attempted to capsulize previously reported studies highlighting the role of THM-based nano-medicine in reducing the risk of MDR and combating complex tumor environments to provide a reference for future study design by discussing the challenges and opportunities for developing an effective and safe therapeutic strategy against cancer.


Asunto(s)
Vacunas contra el Cáncer , Inmunoterapia , Nanovacunas , Neoplasias , Microambiente Tumoral , Animales , Humanos , Vacunas contra el Cáncer/inmunología , Resistencia a Múltiples Medicamentos , Resistencia a Antineoplásicos/efectos de los fármacos , Inmunoterapia/métodos , Neoplasias/inmunología , Neoplasias/terapia , Neoplasias/tratamiento farmacológico , Microambiente Tumoral/efectos de los fármacos , Microambiente Tumoral/inmunología
4.
J Trace Elem Med Biol ; 83: 127394, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38262194

RESUMEN

BACKGROUND: Aluminum-based adjuvants (ABAs) enhance the immune response following vaccine injection. Their mechanisms of action are not fully understood, and their bio-persistency have been described associated with long-term adverse effects. METHODS: We evaluated and compared the cellular effects of the two main ABAs and whole vaccines on ATP production, ROS generation and cytokines production (IL-6 and IL-10), using THP-1 cells. RESULTS: ABAs altered the cell energy metabolism by increasing ROS production after 24 h and reducing ATP production after 48 h. In addition, both ABAs and whole vaccines induced different kinetics of IL-6 production, whereas only ABAs induced IL-10 secretion. CONCLUSION: This study showed clearly, for a first time, a difference in cellular response to the ABAs and whole vaccines which should be taken into consideration in future studies focusing on the effect of ABA in vaccines. Future studies on ABAs should also pay attention to mitochondrial function alterations following exposure to ABA-containing vaccines.


Asunto(s)
Aluminio , Vacunas , Humanos , Aluminio/farmacología , Interleucina-10 , Monocitos , Células THP-1 , Interleucina-6 , Especies Reactivas de Oxígeno , Adyuvantes Inmunológicos/efectos adversos , Adenosina Trifosfato
5.
Biol Trace Elem Res ; 202(10): 4640-4653, 2024 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-38273184

RESUMEN

The most popular vaccine adjuvants are aluminum ones, which have significantly reduced the incidence and mortality of many diseases. However, aluminum-adjuvanted vaccines are constrained by their limited capacity to elicit cellular and mucosal immune responses, thus constraining their broader utilization. Biogenic selenium nanoparticles are a low-cost, environmentally friendly, low-toxicity, and highly bioactive form of selenium supplementation. Here, we purified selenium nanoparticles synthesized by Levilactobacillus brevis 23017 (L-SeNP) and characterized them using Fourier-transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, scanning electron microscopy, and transmission electron microscopy. The results indicate that the L-SeNP has a particle size ranging from 30 to 200 nm and is coated with proteins and polysaccharides. Subsequently, we assessed the immune-enhancing properties of L-SeNP in combination with an adjuvant-inactivated Clostridium perfringens type A vaccine using a mouse model. The findings demonstrate that L-SeNP can elevate the IgG and SIgA titers in immunized mice and modulate the Th1/Th2 immune response, thereby enhancing the protective effect of aluminum-adjuvanted vaccines. Furthermore, we observed that L-SeNP increases selenoprotein expression and regulates oxidative stress in immunized mice, which may be how L-SeNP regulates immunity. In conclusion, L-SeNP has the potential to augment the immune response of aluminum adjuvant vaccines and compensate for their limitations in eliciting Th1 and mucosal immune responses.


Asunto(s)
Adyuvantes Inmunológicos , Nanopartículas , Selenio , Animales , Selenio/química , Selenio/farmacología , Ratones , Adyuvantes Inmunológicos/farmacología , Adyuvantes Inmunológicos/química , Nanopartículas/química , Aluminio/química , Aluminio/farmacología , Femenino , Ratones Endogámicos BALB C , Clostridium perfringens , Tamaño de la Partícula
6.
Br Poult Sci ; 65(1): 28-33, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-38038674

RESUMEN

1. The effectiveness of inactivated vaccines depends on selecting the suitable adjuvant for vaccine formulation. The potency of vaccines with low antigen content can be improved with the appropriate adjuvant. This could allow production of more doses and lower the production cost.2. This study evaluated the efficiency of vaccines prepared using oil extracted from natural sources including argan oil, almond oil, sesame seed oil, pumpkin oil, cactus oil and black seed oil as alternative adjuvants for improving the protection capacity of inactivated influenza virus vaccine as compared to commonly used mineral oils.3. Each vaccine formulation was evaluated for stability, safety and immunogenicity in chickens, as well as for reducing the viral shedding after challenge infection.4. The cactus, sesame and pumpkin seed oil-based vaccines were found to be potent and successfully induced the production of humoral immunity in vaccinated chickens.


Asunto(s)
Vacunas contra la Influenza , Gripe Aviar , Animales , Pollos , Aceite Mineral , Aceites de Plantas , Gripe Aviar/prevención & control , Minerales
7.
Artículo en Chino | WPRIM | ID: wpr-999178

RESUMEN

ObjectiveThis study explored the application of Yiqi Zengmian prescription as a vaccine adjuvant, aiming to provide a new scheme for the prevention and control of corona virus disease 2019(COVID-19) with traditional Chinese medicine (TCM). By analyzing the compatibility and efficacy, this paper examines the compatibility effect of Yiqi Zengmian prescription, which is modified from the classic tonifying agent Si Junzitang, as a vaccine adjuvant. MethodUsing the Database of Ancient Classical Prescriptions, this paper analyzed the composition of Yiqi Zengmian prescription and probed into the theoretical basis for the compatibility of this prescription from the properties, medicine combination, and efficacy. Furthermore, the compatibility effect of this prescription with vaccines was analyzed. ResultAs a TCM prescription, Yiqi Zengmian prescription focuses on the lung and spleen and enhances the Qi in the two organs. The lung governs Qi movement. The body breathes fresh air through the lungs and exchanges the turbid gas in the lungs, and the gas circulates alternately in the lungs to ensure the normal breathing of the human body. The spleen governing transportation and transformation is the hub for Qi movement, and Qi is the embodiment of metabolic function. By regulating qi movement and enhancing the functions of Qi and blood, Yiqi Zengmian prescription can enhance the immunogenicity of the vaccine, which provides a theoretical basis for enhancing the immune effects of vaccines. ConclusionYiqi Zengmian prescription has the effects of replenishing Qi and invigorating spleen, regulating Qi and drying dampness, and enhancing immunity. The in-depth analysis of the TCM theory of Yiqi Zengmian prescription as a vaccine adjuvant and the results of clinical and laboratory studies suggest that Yiqi Zengmian prescription may enhance the induction of immune response after vaccination and maintain the immune memory. However, the mechanism of Yiqi Zengmian prescription in regulating the complex immune network remains to be elucidated.

8.
Zhongguo Zhong Yao Za Zhi ; 48(22): 5985-5992, 2023 Nov.
Artículo en Chino | MEDLINE | ID: mdl-38114204

RESUMEN

Vaccination is an effective method for preventing influenza, and adjuvants can enhance the immune response intensity and persistence of influenza vaccines. However, there are currently shortcomings in clinical adjuvant approvals, ineffectiveness against weak antigens, and a tendency to cause headaches. Therefore, the development of safe and effective novel adjuvants for influenza vaccines is particularly important to enhance vaccine immunogenicity and safety. Given the wide range of sources, high safety, and biodegradability of traditional Chinese medicine(TCM), some studies have described it as a vaccine adjuvant. This article reviewed the current status and challenges of influenza vaccine adjuvants, summarized the types of TCM adjuvants, the safety and immunomodulatory effects of natural active ingredients from TCM combined with influenza vaccines, the role of TCM adjuvants in antigen storage, antigen presentation capability, immune cells and cytokines, and immune responses, and analyzed the advantages and disadvantages of TCM adjuvants compared with small molecule adjuvants, with the aim of promoting the clinical development and commercialization of TCM adjuvants for influenza vaccines.


Asunto(s)
Vacunas contra la Influenza , Gripe Humana , Humanos , Adyuvantes Inmunológicos/farmacología , Medicina Tradicional China , Gripe Humana/prevención & control , Adyuvantes Farmacéuticos
9.
Vaccines (Basel) ; 11(11)2023 Nov 09.
Artículo en Inglés | MEDLINE | ID: mdl-38006036

RESUMEN

Vaccination is a groundbreaking approach in preventing and controlling infectious diseases. However, the effectiveness of vaccines can be greatly enhanced by the inclusion of adjuvants, which are substances that potentiate and modulate the immune response. This review is based on extensive searches in reputable databases such as Web of Science, PubMed, EMBASE, Scopus, and Google Scholar. The goal of this review is to provide a thorough analysis of the advances in the field of adjuvant research, to trace the evolution, and to understand the effects of the various adjuvants. Historically, alum was the pioneer in the field of adjuvants because it was the first to be approved for use in humans. It served as the foundation for subsequent research and innovation in the field. As science progressed, research shifted to identifying and exploiting the potential of newer adjuvants. One important area of interest is nano formulations. These advanced adjuvants have special properties that can be tailored to enhance the immune response to vaccines. The transition from traditional alum-based adjuvants to nano formulations is indicative of the dynamism and potential of vaccine research. Innovations in adjuvant research, particularly the development of nano formulations, are a promising step toward improving vaccine efficacy and safety. These advances have the potential to redefine the boundaries of vaccination and potentially expand the range of diseases that can be addressed with this approach. There is an optimistic view of the future in which improved vaccine formulations will contribute significantly to improving global health outcomes.

10.
Adv Healthc Mater ; 12(32): e2301261, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-37822133

RESUMEN

Cancer vaccines combined with immune checkpoint blockades (ICB) represent great potential application, yet the insufficient tumor antigen presentation and immature dendritic cells hinder improved efficacy. Here, a hybrid nano vaccine composed by hyper branched poly(beta-amino ester), modified iron oxide nano adjuvant and messenger RNA (mRNA) encoded with model antigen ovalbumin (OVA) is presented. The nano vaccine outperforms three commercialized reagents loaded with the same mRNA, including Lipofectamine MessengerMax, jetPRIME, and in vivo-jetRNA in promoting dendritic cells' transfection, maturation, and peptide presentation. In an OVA-expressing murine model, intratumoral administration of the nano vaccine significantly induced macrophages and dendritic cells' presenting peptides and expressing co-stimulatory CD86. The nano vaccine also elicited strong antigen-specific splenocyte response and promoted CD8+ T cell infiltration. In combination with ICB, the nano vaccine aroused robust tumor suppression in murine models with large tumor burdens (initial volume >300 mm3 ). The hybrid mRNA vaccine represents a versatile and readily transformable platform and augments response to ICB.


Asunto(s)
Vacunas contra el Cáncer , Neoplasias , Ratones , Animales , Presentación de Antígeno , Nanovacunas , Inhibidores de Puntos de Control Inmunológico/farmacología , ARN Mensajero , Células Dendríticas , Péptidos/farmacología , Ovalbúmina , Antígenos/farmacología , Ratones Endogámicos C57BL
11.
Front Plant Sci ; 14: 1246945, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37799553

RESUMEN

Agronomic biofortification of crops is a promising approach that can improve the nutritional value of staple foods by alleviating dietary micronutrient deficiencies. Iodine deficiency is prevalent in many countries, including Australia, but it is not clear what foliar application strategies will be effective for iodine fortification of grain. This study hypothesised that combining adjuvants with iodine in foliar sprays would improve iodine penetration in wheat, leading to more efficient biofortification of grains. The glasshouse experiment included a total of nine treatments, including three reference controls: 1) Water; 2) potassium iodate (KIO3) and 3) potassium chloride (KCl); and a series of six different non-ionic surfactant or oil-based adjuvants: 4) KIO3 + BS1000; 5) KIO3 + Pulse® Penetrant; 6) KIO3 + Uptake®; 7) KIO3 + Hot-Up®; 8) KIO3 + Hasten® and 9) KIO3 + Synerterol® Horti Oil. Wheat was treated at heading, and again during the early milk growth stage. Adding the organosilicon-based adjuvant (Pulse®) to the spray formulation resulted in a significant increase in grain loading of iodine to 1269 µg/kg compared to the non-adjuvant KIO3 control at 231µg/kg, and the water and KCl controls (both 51µg/kg). The second most effective adjuvant was Synerterol® Horti Oil, which increased grain iodine significantly to 450µg/kg. The Uptake®, BS1000, Hasten®, and Hot-Up® adjuvants did not affect grain iodine concentrations relative to the KIO3 control. Importantly, iodine application and the subsequent increase in grain iodine had no significant effects on biomass production and grain yield relative to the controls. These results indicate that adjuvants can play an important role in agronomic biofortification practices, and organosilicon-based products have a great potential to enhance foliar penetration resulting in a higher translocation rate of foliar-applied iodine to grains, which is required to increase the iodine density of staple grains effectively.

12.
Adv Sci (Weinh) ; 10(29): e2302119, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37541435

RESUMEN

Injectable hydrogels have attracted increasing attention for promoting systemic antitumor immune response through the co-delivery of chemotherapeutics and immunomodulators. However, the biosafety and bioactivity of conventional hydrogel depots are often impaired by insufficient possibilities for post-gelling injection and means for biofunction integration. Here, an unprecedented injectable stimuli-responsive immunomodulatory depot through programming a super-soft DNA hydrogel adjuvant is reported. This hydrogel system encoded with adenosine triphosphate aptamers can be intratumorally injected in a gel formulation and then undergoes significant molecular conformation change to stimulate the distinct release kinetics of co-encapsulated therapeutics. In this scenario, doxorubicin is first released to induce immunogenic cell death that intimately works together with the polymerized cytosine-phosphate-guanine oligodeoxynucleotide (CpG ODN) in gel scaffold for effectively recruiting and activating dendritic cells. The polymerized CpG ODN not only enhances tumor immunogenicity but minimizes free CpG-induced splenomegaly. Furthermore, the subsequently released anti-programmed cell death protein ligand 1 (aPDL1) blocks the corresponding immune inhibitory checkpoint molecule on tumor cells to sensitize antitumor T-cell immunity. This work thus contributes to the first proof-of-concept demonstration of a programmable super-soft DNA hydrogel system that perfectly matches the synergistic therapeutic modalities based on chemotherapeutic toxicity, in situ vaccination, and immune checkpoint blockade.


Asunto(s)
Hidrogeles , Microambiente Tumoral , Adyuvantes Inmunológicos/farmacología , Antígenos de Neoplasias , ADN , Inmunoterapia , Adenosina Trifosfato
14.
Best Pract Res Clin Anaesthesiol ; 37(2): 133-138, 2023 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-37321762

RESUMEN

Spinal anaesthesia is an established and frequently used anaesthetic technique in adults. However, this versatile regional anaesthetic technique is less frequently used in paediatric anaesthesia even though it can be used for minor (e.g. inguinal hernia repair) and major (e.g. cardiac surgery) surgical procedures. The aim of this narrative review was to summarize the current literature with regard to technical aspects, surgical context, choice of drugs, potential complications, as well as the effects of the neuroendocrine surgical stress response and potential long-term effects of anaesthesia during infancy. In summary, spinal anaesthesia represents a valid alternative in the paediatric anaesthesia setting also.


Asunto(s)
Anestesia Raquidea , Anestésicos , Hernia Inguinal , Adulto , Humanos , Niño , Anestesia Local , Hernia Inguinal/cirugía
15.
Vopr Virusol ; 67(6): 516-526, 2023 02 07.
Artículo en Ruso | MEDLINE | ID: mdl-37264841

RESUMEN

INTRODUCTION: A vaccine against hepatitis C has not yet been developed. Recombinant proteins and plasmids encoding hepatitis C virus (HCV) proteins, the components of candidate vaccines, induce a weak immune response and require the use of adjuvants. The aim of the work was to study the adjuvant action of an aqueous solution of fullerene C60 during immunization of mice with HCV recombinant protein NS5B (rNS5B) that is an RNA-dependent RNA polymerase, or with NS5B-encoding pcNS5B plasmid. MATERIALS AND METHODS: An aqueous solution of dispersed fullerene (dnC60) was obtained by ultrafiltration. C57BL/6 mice were immunized with rNS5B subcutaneously, pcNS5B intramuscularly mixed with different doses of dnC60 three times, then the humoral and cellular response to HCV was evaluated. RESULTS: Mice immunization with rNS5B in a mixture with dnC60 at doses of 250 g/mouse significantly induced humoral response: a dose-dependent increase in IgG1 antibody titers was 720 times higher than in the absence of fullerene. There was no increase in the cellular response to rNS5B when administered with dnC60. The humoral response to DNA immunization was weak in mice of all groups receiving pcNS5B. The cellular response was suppressed when the plasmid was injected in a mixture with dnC60. CONCLUSIONS: Dispersed fullerene dnC60 is a promising adjuvant for increasing the immunostimulating activity of weakly immunogenic proteins including surface and other HCV proteins, important for a protective response. Further research is needed to enhance the ability of dnC60 to boost the cellular immune response to the components of the candidate vaccine.


Asunto(s)
Fulerenos , Hepatitis C , Vacunas de ADN , Vacunas contra Hepatitis Viral , Ratones , Animales , Hepacivirus , Fulerenos/farmacología , Fulerenos/metabolismo , Secuencia de Bases , Aminoácidos/genética , Aminoácidos/metabolismo , Aminoácidos/farmacología , Ratones Endogámicos C57BL , Adyuvantes Inmunológicos/genética , Inmunidad Celular , Proteínas Recombinantes/genética , Ratones Endogámicos BALB C , Vacunas de ADN/genética , Vacunas de ADN/farmacología , Vacunas contra Hepatitis Viral/genética , Vacunas contra Hepatitis Viral/farmacología
16.
Rev. bras. cir. plást ; 38(2): 1-7, abr.jun.2023. ilus
Artículo en Inglés, Portugués | LILACS-Express | LILACS | ID: biblio-1443501

RESUMEN

Adjuvant-induced autoimmune/inflammatory syndrome leads to capsular contracture and fibrosis from the oxidation that takes place in silicone. Anaplastic large cell lymphoma occurs through the development of a seroma, with the formation of a periprosthetic effusion, or through the infiltration of the condition itself. To analyze these conditions, a review of the literature was carried out on the symptoms and pathophysiology of the autoimmune/inflammatory syndrome induced by adjuvants and anaplastic large cell lymphoma, searched using the terms "ASIA breast silicone," "Lymphoma," "Adjuvants" "Immunologic" " Breast Implants" on the PubMed platform. Analyzing the data obtained, it was noted that the symptoms of the autoimmune/inflammatory syndrome induced by adjuvants are nonspecific, such as fatigue, myalgia, arthralgia, morning stiffness, and night sweats, and therefore need attention. Anaplastic large cell lymphoma presents with breast pain, periprosthetic effusion, and palpable mass, among other characteristics. Because of these aspects, it is concluded that a good investigation should be carried out when nonspecific symptoms appear, regardless of the time the surgery was performed since these complications can occur years later.


A síndrome autoimune/inflamatória induzida por adjuvantes leva à contratura capsular e fibrose pela oxidação que acontece no silicone. O linfoma anaplásico de grandes células ocorre através do desenvolvimento de um seroma, com a formação de derrame periprotético ou por uma infiltração da própria afecção. Para análise destes acometimentos, foi realizada uma revisão da literatura acerca da sintomatologia e fisiopatologia da síndrome autoimune/inflamatória induzida por adjuvantes e linfoma anaplásico de grandes células, pesquisada através dos termos "ASIA breast silicone" "Lymphoma" "Adjuvants" "Immunologic" "Breast Implants" na plataforma PubMed. Analisando os dados obtidos, notou-se que os sintomas da síndrome autoimune/inflamatória induzida por adjuvantes são inespecíficos, como fadiga, mialgia, artralgia, rigidez matinal e suores noturnos, e, portanto, necessitam de atenção. Já o linfoma anaplásico de grandes células se apresenta com dor mamária, derrame periprotético, massa palpável, dentre outras características. Em vista destes aspectos, conclui-se que uma boa investigação deve ser realizada ao surgirem sintomas inespecíficos, independentemente do tempo que a cirurgia foi realizada, uma vez que estas complicações podem ocorrer anos após a cirurgia.

17.
Avicenna J Med Biotechnol ; 15(2): 91-99, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37034889

RESUMEN

Background: External factors have the potential to act as immunostimulants in order to influence the body's protection from many foreign antigens. We intended to investigate the ethanol extract Formulary of F-MaCg effect as an immunostimulant. Methods: A purely experimental with a completely randomized design was used on twenty-four white male rats. They were divided into four groups:1) G0 [given aquades (5 ml)]; 2) G1 [given F-MaCg-75 mg/gr BW (Body Weight)]; 3) G2 (F-MaCg -150 mg/gr plus Hepatitis B vaccine at the beginning and the end of treatment); and 4) G3 (F-MaCg -300 mg/gr BW plus hepatitis B vaccine at the end of treatment). The rat's spleen lymphocyte blast transformation was evaluated on the 15th and 37th days. Lymphocytes were examined using microtetrazolium assays. Optical Density (OD) was measured using an ELISA reader [493 nµ (nanomicro)]. Observation of lymphocyte viability by a counting chamber using a light microscope and trypan blue 1% before being cultured with Phytohaemoaglutinin. Results: Lymphocyte cell viability in the hepatitis B vaccine-induced group on the 15th day showed the highest average value in the G2 (1,484/mcl of blood); on the 37th day, it was in G3 (1,578/mcl of blood). The proliferative activity of spleen lymphocytes indicated by the difference in the OD values of the four treatment groups was 0.467, 0.913, 1.619, and 1.473 nµ, respectively. Histological observations of the spleen showed differences at all given formulary dose concentrations. Conclusion: F-MaCg could be an immunostimulant because of its ability to trigger a cellular immune response.

18.
Br J Anaesth ; 130(6): 647-650, 2023 06.
Artículo en Inglés | MEDLINE | ID: mdl-36967280

RESUMEN

A randomised trial published in the British Journal of Anaesthesia describes hypnosis compared with general anaesthesia in 60 children undergoing superficial surgery. We describe a definition of clinical hypnosis; the goals and conduct of hypnotic communication; and its potential as both an adjunct and, in suitable cases, alternative to traditional pharmacological anaesthesia.


Asunto(s)
Hipnosis , Niño , Humanos , Anestesia General , Atención Perioperativa
19.
Int J Mol Sci ; 24(5)2023 Feb 25.
Artículo en Inglés | MEDLINE | ID: mdl-36901992

RESUMEN

There is considerable controversy regarding the genotoxicity of glyphosate (N-(phosphonomethyl) glycine). It has been suggested that the genotoxicity of this herbicide is increased by the adjuvants added to commercial formulations based on glyphosate. The effect of various concentrations of glyphosate and three commercial glyphosate-based herbicides (GBH) on human lymphocytes was evaluated. Human blood cells were exposed to glyphosates of 0.1, 1, 10 and 50 mM as well as to equivalent concentrations of glyphosate on commercial formulations. Genetic damage (p < 0.05) was observed in all concentrations with glyphosate and with FAENA and TACKLE formulations. These two commercial formulations showed genotoxicity that was concentration-dependent but in a higher proportion compared to pure glyphosate only. Higher glyphosate concentrations increased the frequency and range of tail lengths of some migration groups, and the same was observed for FAENA and TACKLE, while in CENTELLA the migration range decreased but the frequency of migration groups increased. We show that pure glyphosate and commercial GBH (FAENA, TACKLE and CENTELLA) gave signals of genotoxicity in human blood samples in the comet assay. The genotoxicity increased in the formulations, indicating genotoxic activity also in the added adjuvants present in these products. The use of the MG parameter allowed us to detect a certain type of genetic damage associated with different formulations.


Asunto(s)
Herbicidas , Humanos , Ensayo Cometa , Células Sanguíneas , Glicina , Adyuvantes Inmunológicos , Adyuvantes Farmacéuticos , Glifosato
20.
Rheumatol Int ; 43(5): 975-981, 2023 05.
Artículo en Inglés | MEDLINE | ID: mdl-36920514

RESUMEN

Takayasu's arteritis (TA) is a chronic granulomatous vasculitis that predominantly affects the aorta and its major branches. Despite advancements in the understanding of the pathogenic pathways of vascular inflammation, the etiology and predisposing factors of TA remain to be fully understood. In susceptible individuals, exposure to adjuvants may trigger, unlock or unmask an autoimmune disorder, presenting as non-specific constitutional symptoms or a fully developed autoimmune syndrome such as vasculitis. Here, we hypothesize that TA could be triggered by siliconosis, a subtype of the autoimmune/inflammatory syndrome induced by adjuvants (ASIA). ASIA, also known as Shoenfeld syndrome, encompasses a wide range of autoimmune and immune-mediated diseases resulting from dysregulation of the immune response after exposure to agents with adjuvant activity. This case report describes the development of large artery vasculitis, TA, in an individual one year following the placement of silicone breast implants. The patient initially presented with non-specific symptoms, and multiple imaging methods were employed, including ultrasound diagnostics, CT angiography, and 18-fluorodeoxyglucose positron emission tomography/CT. These techniques revealed vasculitic alterations in the carotid arteries and thoracic aorta. Initial treatment with glucocorticosteroids proved ineffective, prompting the addition of steroid-sparing immunosuppressive agents. Due to the distinct clinical symptoms, disease progression, implant-associated fibrosis, and resistance to therapy, the potential involvement of implants in the development of large-vessel vasculitis was considered, and a potential association with ASIA was postulated. Although there is limited evidence to support a direct link between adjuvants and the pathogenesis of TA, similarities in cellular immunity between the two conditions exist. The diagnosis of this complex and potentially debilitating condition requires a comprehensive clinical examination, laboratory evaluation, and instrumental assessment. This will aid in identifying potential contributing factors and ensuring successful treatment.


Asunto(s)
Arteritis de Takayasu , Humanos , Arteritis de Takayasu/complicaciones , Arteritis de Takayasu/diagnóstico , Arteritis de Takayasu/tratamiento farmacológico , Tomografía de Emisión de Positrones , Aorta/patología , Arterias Carótidas/patología , Inmunosupresores/efectos adversos , Adyuvantes Inmunológicos
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