60 research outputs found
Transcranial Photobiomodulation (tPBM) Therapy in Brain Disorders
Photobiomodulation (PBM) portrays the utilization of red or near infrared light to stimulate, heal, recover, and protect tissue that has either been harmed, is degenerating, or, else likely is in risk of dying. The brain experiences various issues that can be ordered into three general groupings: traumatic (stroke, traumatic brain injury, and global ischemia), degenerative diseases (dementia, Alzheimer's and Parkinson's), and psychiatric (depression, anxiety, post- traumatic stress disorder). There is some proof that this multitude of apparently different circumstances can be advantageously impacted by applying light to the head. There is even the likelihood that PBM could be utilized for cognitive enhancement in normal healthy individuals. In this transcranial PBM (tPBM) application, near infrared (NIR) light is frequently applied to the temple in view of the better entrance (no hair, longer wavelength). A few workers have utilized lasers, yet as of late the presentation of modest light emitting diode (LED) arrays has permitted the improvement of light radiating head helmets or "brain caps". This review will cover the mechanisms of action of photobiomodulation to the brain and sum up some of the key pre-clinical studies and clinical trials that have been embraced for different brain disorders
Xenotransplantation: Is a Clinical Challenge, Literature Review
Tissue and organ failure that outcomes from congenital abnormalities, injury, illness, or aging to significant morbidity and mortality. Albeit the twentieth and early 21st centuries have gotten dramatic progressions in the utilization of synthetic and mechanical devices to replace tissues, the restoration of tissue and organ structure and function stays a clinical challenge. Numerous biologic functions can't be replicated with such devices, and the unavoidable immune reactions that are prompted when allografts of human organs, tissues, or cells are implanted can restrict the functionality and longevity of biologic approaches. Regenerative medicine has arisen as a potential alternative approach for tissue and organ restoration in which the engineered tissue is biologically functional. Traditional methodologies for regenerative medicine include biomaterial platforms, stem and progenitor cells, and biologic signalling molecules, alone or in mix, to advance new development of healthy tissue. A recent technique, "regenerative immunology," advances tissue recuperating and recovery through reprogramming of the host immune system. Be that as it may, organ transplantation is as yet the most incredibly complete choice in regenerative medicine, giving an autologous, allogeneic, or possibly xenogeneic replacement for complete physical and biologic restoration. Advances in immune and genome engineering (or editing) make an establishment for new treatments to speed up the restoration and substitution of tissues and organs, including those from xenogeneic sources. Regenerative immunology depends on the way that immune cells, for example, macrophages and T-cells, which are usually considered as in their protective role against pathogens or "nonself" cells and as mediators of inflammation, can be made to adopt on programs that can advance healing of tissues that have been damaged by the initial inflammatory antimicrobial response.[1,2] Such regenerative immune reactions can likewise promote healing after xenogeneic transplantation, provided that the anti-xenogeneic reaction to nonself tissue can be suppressed. Genome engineering has the ability to enrich xenogeneic tissues with down-modulating, anti-xenogeneic immune reactions that can facilitate with cross-species transplantation. Thusly, the origins, challanges, innovations, and future of regenerative medicine and transplantation are firmly interlaced inside the fields of immune and genome engineering. In this review, we sum up some recent developments in this field
3D-Bioengineering of Reproductive Organoids Review
Engineered male and female biomimetic reproductive tissues are being created as self-supporting in vitro units or as incorporated multi-organ in vitro constructions to help germ cell and embryo function, and to show characteristic endocrine phenotypic patterns, for example, the 28-days human ovulatory cycle. In this Review, we sum up how engineered reproductive tissues work with research in reproductive science, and outline strategies for making engineered reproductive tissues that may sometimes permit the rebuilding of reproductive potential in patients.Individuals can confront reproductive or endocrine failure due to hereditary inclination, age, iatrogenic impacts of treatment or infection. More than a hundred years of progress that started with headways in reproductive tissue and reproductive organ transplantation, trailed by innovative improvements at the connection point of reproductive science, materials science, bioengineering and advanced manufacturing, has brought about engineered reproductive tissues that can restore and support normal organ function [1-20] (Table 1). Current engineered reproductive tissues and culture structures are empowering an expanding number of physiological in vitro modelling of homeostasis, development, disease, pregnancy and aging. Engineered reproductive tissues are utilized for the proficient screening of new pharmacologic agents (for both therapeutic efficacy and toxicity), or are transplanted to restore damaged or diseased reproductive tissue.In this Review, we spotlight current advancement in the development of engineering systems utilized in reproductive science and medicine, with a point of convergence on biomaterials and microfluidic approaches that permits the generation of functional builds at the tissue and organ levels for use in research and in clinical applications
Perinatalcovid-19: Viewpoints Review
The Covid disease 2019 (COVID-19) pandemic, coming about due to the fact of disease with severe acute respiratory syndrome Covid 2 (SARS-Co2) , has brought about severe and boundless ailment in adults, along with pregnant women, whilst not often infecting neonates. An incomplete comprehension of disease pathogenesis and viral spread has brought about growing guidelines to lessen transmission from infected mothers to neonates. The risk of neonatal infection via perinatal/neonatal transmission is low when recommended precautions are followed. Notwithstanding, the psychosocial implications of these practices and racial/ethnic disparities featured via this pandemic should likewise be tended to when actually focusing on mothers and their new-borns. This review offers an exhaustive define of neonatal–perinatal viewpoints of COVID-19, going from the basic science of disease and proposals for care of pregnant female and neonates to necessary psychosocial, moral, and racial/ethnic factors emerging due to the fact of both the pandemic and the reaction of the healthcare community to the care of infected individuals
3D Bioprinting In Bone And Cartilage Regeneration Review
Bone and articular cartilage degeneration and damage are the most common causes of musculoskeletal disability. 3D bioprinting can help regenerate these structures. Autologous/allogeneic bone and cartilage transplantation, vascularized bone transplantation, autologous chondrocyte implantation, mosaicplasty, and joint replacement are all common clinical and surgical procedures. In vitro layer-by-layer printing of biological materials, living cells, and other biologically active substances using 3D bio printing technology is anticipated to replace the aforementioned repair methods. With the ability to prepare various organs and tissue structures, 3D bio printing has largely solved the issue of insufficient organ donors. Researchers use biomedical materials and cells as discrete materials. Bioprinting cell selection and its use in bone and cartilage repair are the primary topics of discussion in this paper
miRNAs and COVID-19 Therapy Review
These days, the extreme intense respiratory condition Coronavirus 2 (SARS-CoV-2) disease is recognised on the grounds that the primary cause behind mortality in people. SARS-CoV-2 is transmitted through human-to-human contact and is a symptomless in many patients. furthermore, to approved vaccines against SARS-CoV-2 infection, miRNAs may additionally be promising decisions against the current new virus. miRNAs are small and noncoding RNAs 18–25 nucleotides in length that focus on the mRNAs to degrade them or block their interpretation miRNAs go about as an observer in cells.This review in regards to evaluated the writing on the potential role of cellular miRNAs inside the SARS-CoV-2-have collaboration as a therapeutic option in COVID-19 patients
Nanotechnology in Sepsis: Diagnosis and Treatment, Review
AbstractSepsis is one of the main reasons of deaths internationally, with excessive mortality rates and a pathological complexity hindering early and correct diagnosis. Today, laboratory culture checks are the epitome of pathogen recognition in sepsis. However, their consistency stays a problem of controversy with false negative results frequently observed. Clinically used blood markers, C reactive protein (CRP) and procalcitonin (PCT) are indications of an acute-phase response and as a result lack specificity, supplying restrained diagnostic efficacy. In addition to bad diagnosis, inefficient drug delivery and the increasing prevalence of antibiotic-resistant microorganisms represent significant obstacles in antibiotic stewardship and hinder high quality therapy. These challenges have brought on the exploration for choice techniques that pursue accurate prognosis and high-quality treatment. Nanomaterials are examined for each diagnostic and therapeutic functions in sepsis. The nanoparticle (NP)-enabled seize of sepsis causative agents and/or sepsis biomarkers in biofluids can revolutionize sepsis diagnosis. From the therapeutic factor of view, presently current nanoscale drug transport structures have established to be extraordinary allies in focused therapy, whilst many different nanotherapeutic functions are envisioned. Herein, the most applicable purposes of nanomedicine for the diagnosis, prognosis, and treatment of sepsis is reviewed, imparting a quintessential evaluation of their potentiality for scientific translation
Biomarkers in Prediction of Preeclampsia
Preeclampsia is being pregnant-specific, and notably contributes to maternal, and perinatal morbidity and mortality worldwide. An effective predictive test for preeclampsia could facilitate early diagnosis, focused surveillance and well timed delivery; however, restrained alternatives presently exist. A first-trimester screening algorithms has been evolved and demonstrated to expect preterm preeclampsia, with poor utility for term disease, wherein the greatest burden lies. Biomarkers consisting of sFlt-1 and placental growth factor also are now getting used clinically in cases of suspected preterm preeclampsia; their high negative predictive value allows assured exclusion of disease in women with normal results, however sensitivity is modest. There has been a concerted attempt to become aware of ability novel biomarkers that could enhance prediction. These in large part originate from organs concerned in preeclampsia’s pathogenesis, which includes placental, cardiovascular and urinary biomarkers. This review outlines the clinical imperative for an effective test and those already in use and summarises modern-day preeclampsia biomarker studies
Fetal Growth Restriction (FGR): Review
In recent years, there has been a growing amount of interest in the possibility that inadequate maternal hemodynamic adaptations to the pregnancy and adverse pregnancy outcomes (APOs) are connected. It has been suggested that "placental syndromes," such as preeclampsia (PE) and fetal growth restriction (FGR), may be linked to later maternal cardiovascular diseases (CVD). The two subtypes of FGR have distinct clinical and pathogenetic characteristics. It is thought that poor trophoblastic invasion of the maternal spiral arteries during placentation is a major factor in the development of early-onset PE and FGR. A pre-existing or subsequent cardiovascular impairment may play a significant role in the pathogenesis of early-onset FGR because placental functioning is dependent on the cardiovascular system of the mother. A primary abnormal placentation in the first trimester does not appear to be the factor that determines late FGR. A primary cardiovascular maladaptation in the mother may be the cause of the pathological pathway of late-onset FGR: The CV system displays a profile that is flat and remains comparable to that of non-pregnant women. A hypovolemic state could result in placental hypoperfusion, altered villous tree maturation, and altered fetal growth during the second trimester, when the placenta is already developed and has a higher functional demand. As a result, the focus of this review is on the possible connection between placentation and maternal cardiac function during pregnancy and the onset and progression of FGR. A superior comprehension of maternal hemodynamics in pregnancies confounded by FGR could get different advantages in clinical work, further developing screening and therapeutic tools
Management of Chronic Venous Insufficiency (CVI): Literature Review
Chronic venous insufficiency (CVI) of the lower extremities manifests itself in a variety of clinical spectrums, ranging from cosmetic issues that are asymptomatic to severe symptoms like venous ulcer. Due to a lack of understanding of the various presenting manifestations of primary and secondary venous disorders and an underestimation of the problem's magnitude and impact, CVI is a relatively common medical condition that is frequently overlooked by healthcare providers. Due to the possibility of underdiagnosis of CVI, an increase in obesity, and an aging population, it is anticipated that the prevalence of CVI will rise. Duplex ultrasound, radiofrequency ablation, and iliac vein stenting play an important role in the diagnosis, treatment, and prevention of CVI of the lower extremities
- …