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Journal of Regenerative Medicine & Biology Research​

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Journal Papers (21) Details
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Indexed Journal

1 The Application of Transgenesis to Abraham Trembley’s Hydra, an Ancient Animal Model for the Study of Regeneration that has now entered the 21st Century , Michael P Sarras Jr*
Developmental biology and regenerative biology began with the studies of Abraham Trembley who was a mathematician. Trembley initiated studies with the freshwater hydrozoan, hydra to determine if the organism was a plant or animal. His first studies in 1740 found that bisection of the organism lead to the formation of two complete adult appearing hydra and he then proceeded to perform extensive experiments to evaluate the extent of hydra’s “regenerative capabilities”. He performed numerous experiments that culminated in the publication of his book in 1744 on the biology and regenerative nature of hydra. His studies established the early foundations of regenerative biology that have been built upon over the years and has led to current studies focusing on cellular and molecular mechanisms. From Trembley’s initial studies, regenerative biology has grown to encompass the field of regenerative medicine that applies our understanding of regenerative processes to the human condition.
2 Local Anesthetics Can Affect the Efficacy of Telomerase-Positive Stem Cells , Henry E Young1-3*, Mark O Speight4-6
Early clinical studies with telomerase-positive stem cells demonstrated no response when these stem cells were mixed with lidocaine prior to clinical treatments in multiple individuals. Their stem cells demonstrated a positive response when mixed with normal sterile saline utilizing alternative routes of implantation. We hypothesized that lidocaine killed the stem cells before injection and that dead stem cells would give no response. We tested five local anesthetics, e.g., bupivacaine, lidocaine, marcaine, novocaine and procaine, with sterile saline in a series of blinded experiments to determine their ability to affect the viability of telomerase-positive stem cells. A mixture of TSCs, PSCs and MesoSCs were utilized from five individuals, three males and two females. Trypan blue was used to distinguish live versus dead PSCs and MesoSCs. The number of dead cells divided by total number of cells and multiplied by 100 was used for each test solution to determine their respective % kill ratio. Sample size was n=180 for each test solution. Lidocaine demonstrated a 100% kill ratio; novocaine and procaine demonstrated a 50% kill ratio and marcaine, bupivacaine and sterile saline demonstrated a 0% kill ratio. The results showed that lidocaine should not be used with telomerase-positive stem cells for clinical treatments.
3 Informed Consent Guidelines for Optimizing the Use of Telomerase-Positive Stem Cells , Henry E Young1-3*, Mark O Speight4-6
The objectives of the work, based on previous characterization studies, pre-clinical animal models of induced diseases, e.g., Parkinson disease, cardiovascular disease, pulmonary disease, and type-I diabetes mellitus, and early clinical human studies of Parkinson disease, cardiovascular disease, and pulmonary diseases, were to established a set of criteria that needed to be followed for using telomerase-positive stem cells in future human clinical trials. From this set of criteria, informed consent guidelines were established to optimize the safety and efficacy of using endogenous adult-derived telomerase-positive stem cells to restore organ function by either repair and/or regeneration of cells and tissues resulting from tissue damage and/or loss. Inclusion criteria were any male or female, 18 to 120 years of age, with preferably no serious comorbidities. Exclusion criteria were use of alcohol, tobacco products, vaping, recreational drugs, lidocaine, and/or chemotherapeutic drugs. We also cautioned use of caffeine and corticosteroids, as well as limiting moderate to strenuous physical activity within a two-week window before and after stem cell treatment. Following these inclusion and exclusion criteria, endogenous adult-derived autologous and/or allogeneic telomerase-positive stem cells have proven to be both safe and effective at restoring (up to 50% above pre-treatment values in compliant individuals) organ function for diseases and/or disorders caused by trauma or chronic diseases. Conditions treated thus far, within IRB-approved human study protocols, include neurodegenerative, cardiovascular, pulmonary, autoimmune, renal, and orthopedic disorders.
4 Management of Resistant Endometrium in Cases of Recurrent Implantation Failure Using Endometrial Mesenchymal Stem Cells as an Innovative Regenerative Therapy-A Short Communication , Kulvinder Kochar Kaur1*, Gautam Allahbadia2, Mandeep Singh3
Currently the most accepted definition of Recurrent Implantation Failure (RIF) ,is the absence of achieving clinical pregnancy following transfer of 3 or more good quality embryos in women under 35 years age as well as 4 or in ≥ 35 years age women in fresh or frozen ET’s We had reviewed earlier comprehensively how to manage the endometrial factor in cases of RIF utilizing antibiotics not only orally but further using intrauterine antibiotics and then Platelet Rich Plasma (PRP).Despite that there are certain cases that refuse to respond .We have further delved deeper into pathophysiology of Recurrent Implantation Failure (RIF) along with describing innovatively the use of Mesenchymal Stem Cells (MSCs) cells derived from endometrial stem cells in 29 cases of RIF mixed with PRP that was successful in 23/29 cases besides improving Endometrial Thickness (EMT), but further in Clinical Pregnancy (CP) as well as Live Birth Delivery Rates (LBDR). Further we describe the role of Platelet and Endothelial Cell Adhesion Molecule 1 (PECAM) along with Transforming Growth Factor Beta (TGFβ) besides CDYL in RIF.
5 Criteria to Distinguish Endogenous Telomerase-Positive Totipotent Stem Cells from Exosomes as Major Players in Regenerative Medicine , Henry E Young1-3*, Mark O Speight4-6
Endogenous adult-derived Totipotent Stem Cells (TSCs) and tissue-resident exosomes are major players in the field of regenerative medicine. TSCs provide the undifferentiated building blocks for tissue repair, while exosomes provide the directions on how these building blocks should be used to accomplish this feat, i.e., restoration of fully functional tissue. Both TSCs and exosomes have been extensively characterized with respect to composition and function. While they have similar characteristics in four categories, they differ with respect to each other in a myriad of other categories. The following is criteria used by this lab to distinguish telomerase-positive totipotent stem cells from bioactive factor-containing exosomes.
6 Patient Perspectives on Use of Stem Cells to Treat Osteoporosis , Hilary Isla Brown1, Tom Clutton-Brock2, Dawn-Marie Walker3, Opinder Sahota4, Brigitte E Scammell5, Ifty Ahmed6*
Osteoporosis is a systemic skeletal disease leading to increased risk of fragility fractures. These fractures lead to significant patient morbidity, increased mortality and substantial health and social care costs. The use of stem cells for cell-based therapies is currently an exciting, promising and growing area for disease treatment and regenerative medicine. However, the attitudes of participants towards the use of stem cells for regenerative medicine applications, particularly for therapeutic interventions amongst the older population, have not been well explored. This study explored patient perceptions of a proposed new treatment utilising a novel orthobiologic stem cell therapy. An online questionnaire for participants affected by osteoporosis was designed using the ‘Bristol Online Survey’ tool. In addition, three focus groups were held to explore a number of the issues raised by the findings in more depth. Findings showed that acceptability for the new treatment was high, as current treatments were variable in their effectiveness and new treatments were keenly welcomed. Participants indicated a willingness to have the proposed treatment in order to reduce their chance of experiencing a fracture, regardless of whether the treatment would reduce existing pain, or improve existing quality of life. The use of both autologous and allogeneic stem cells was acceptable, with slight differences in opinion indicating reservations regarding the potentially painful nature of stem cell extraction and allogeneic stem cell rejection. The findings demonstrated a clear mandate to the research team (and community) to continue their efforts in developing stem cell-based treatments for bone repair applications.
7 The Future Role of Mesenchymal Stem Cells in Tissue Repair and Medical Therapeutics: Realities and Expectations , Khalid A Al-Anazi1*
Mesenchymal Stem Cells (MSCs); which were first described by Alexander Fridenstein in the 1960s; are heterogeneous, non-hematopoietic, adult multipotent stromal progenitor cells that are capable of self-renewal and differentiation into various cell types [1-8]. They can be isolated from various sources including: Bone Marrow (BM) which is the main source, peripheral blood, umbilical cord blood, amniotic fluid, placenta, Adipose Tissue (AT), dental pulp, synovial fluid, salivary glands, liver, lung, skin and skeletal muscles [1-10]. MSCs have the following distinguishing features: adherence to the plastic vessel; capacity to different into osteoblasts, adipocytes and chondrocytes; and being characteristically positive for CD105, CD73, and CD90 and characteristically negative for CD45, CD34, CD11b, CD14, CD19, CD79a, and human leukocyte antigen (HLA)-DR on flow cytometry [1,3,4,11-16]. However, under certain circumstances, MSCs obtained from BM, AT, and other sources may express CD34 surface markers [5-8,17]. Additionally, MSCs do not express significant histocompatibility complexes and immune stimulating molecules. Consequently, they escape immune surveillance and their clinical utilization in transplantation is not associated with graft rejection [10].
8 Stem Cell Therapies in Systemic Sclerosis: An Updated Review , Rehab Y Al-Ansari01, Khalid A Al-Anazi2*
Systemic sclerosis systemic is a systemic autoimmune disease that ultimately leads to severe damage and failure of multiple body organs. The disease is associated with significant morbidity and mortality as well as poor response to the available immunosuppressive therapies. Stem cells particularly hematopoietic and mesenchymal stem cells have recently been shown to be not only safe but also efficacious in the treatment of patients with systemic sclerosis. Autologous transplantation of hematopoietic stem cells has become the standard of care for patients with severe systemic sclerosis. Mesenchymal stem cells, alone or in combination with other therapies, have been shown to be effective in the treatment of certain forms and complications of systemic sclerosis such as chronic sclerodermatous graft versus host disease. The review will discuss the various aspects of systemic sclerosis and it will highlight the role of hematopoietic as well as mesenchymal stem cells in the treatment of systemic sclerosis.
9 Donor Selection is a Critical Component Using Naïve Endogenous Adult Stem Cells for the Treatment of Chronic Diseases and Traumatic Injuries , Henry E Young1-3*, Mark O Speight4-6
Naïve adult endogenous stem cell transplants have been used as a substitute for embryonic stem cells and/or induced pluripotent stem cells for treating individuals with autoimmune, cardiovascular, neurological, orthopedic, pulmonary, renal and systemic chronic diseases and traumatic injuries. This is primarily due to the absence of moral and ethical issues, absence of teratoma formation when transplanting stem cells in the naïve state, readily available populations of stem cells and ease of stem cell isolation for transplant. While a majority of the ongoing clinical trials utilize autologous naive adult endogenous stem cells for treating the individual with their own stem cells, other trials have utilized similar types of allogenic stem cells from donors for the treatment of chronic diseases. For allogeneic naïve endogenous adult stem cells to be utilized for transplant, the donor stem cells should be screened to prevent the potential for Graft Versus Host Disease (GvHD) response where the recipient may destroy the graft or the graft may destroy the recipient; to prevent inoculation of new infectious diseases into the recipient and to prevent transplantation of stem cells with deleterious gene mutations into the recipient. This paper describes the various types of adult telomerase negative and telomerase positive endogenous stem cells being used for transplantation therapies, disease entities they have treated, whether treatments utilized autologous and/or allogeneic stem cells, reported outcomes and proposed selection criteria used in the future for allogeneic adult endogenous stem cells in regenerative medicine.
10 Telomerase-Positive Stem Cells in Adult Porcine and Adult Rat Spleens I. Totipotent Stem Cells , Henry E Young1-3*, Ioannis Jason Limnios4, Frank Lochner5, George McCommon6
Previous studies have reported the presence of endogenous undifferentiated totipotent stem cells within the organs and tissues of various animal species, including the spleen. Since one major function of the spleen is to filter out damaged red blood cells, we wanted to ascertain whether totipotent stem cells existed as a potentially transient circulating population solely within the vasculature and sinusoids of the spleen or whether they existed as an endogenous resident population of primitive stem cells throughout the tissues of the spleen, and potentially involved in the repair of the spleen. The spleens from two separate mammalian species were examined, i.e., adult pigs and adult rats. Adult pigs were euthanized following the guidelines of Fort Valley State University’s IACUC.  Adult rats were euthanized following the guidelines of Mercer University School of Medicine’s IACUC. The spleens were harvested, fixed, frozen, cryosectioned, and stained with an antibody diagnostic for the endogenous totipotent stem cells, i.e., Carcinoembryonic Antigen-Cell Adhesion Molecule-1 (CEA-CAM-1). CEA-CAM-1 positive stem cells were located within the capsule of the spleen, along the splenic trabeculae, within the red pulp, within the white pulp, along the central arteries and surrounding the penicillar arteries of the spleen in both the adult pig and in the adult rat. These results suggested that the totipotent stem cells are a resident population of stem cells within the splenic tissues. Studies are ongoing to address their functional significance in repair of the spleen.
11 Utilizing Adipose Tissue-Derived Stem Cell Strategies for Obtaining Regeneration of Respiratory Tract Fistulas-A Systematic Review , Kulvinder Kochar Kaur1*, Gautam Allahbadia2, Mandeep Singh3
Fistula of the respiratory tract represent an aberrant communication or passage among the respiratory system as well as the digestive tract or the nearby organs. They might originate congenitally or more commonly, iatrogenic with a heterogeneous presenting features. These fistulas of the respiratory tract might cause decreased health-associated Quality of Life (QOL) as well as short lifespan. Treatment is basically dependent on an endoscopic surgical procedure but mostly patients need continued hospitalization as well as might develop complications. Thus with the advent of stem cells, the more conservative strategies utilizing regenerative medicine strategies basically dependent on lipotransfer, have been evaluated. After having reviewed the role of Adipose Tissue-Obtained Stem/Stromal Cells (ASC’S) in various kinds of regenerative medicine, here we tried to conduct a systematic review on ASC. Adipose Tissue (AT) might be administered in the form of unprocessed tissue or subsequent to enzymatic treatment to be able to obtain the cellular Stromal Vascular Fraction (SVF).Thus here we conducted a systematic review on the same. With role of stem cells be it Mesenchymal Stem/Stromal Cells (MSCs) or Adipose tissue-derived stem/ stromal cells (ASC’S) in the repair of respiratory tract fistulas. Utilizing the Pubmed search Engine, along with Google Scholar ,Web of Science Scopus, Clinicaltrials.gov for clinical trials utilizing MeSH terms like Bronchopleural Fistula (BPF); to Tracheooesophageal Fistula (TEF); Mesenchymal Stem Cells (MSCs); Mesenchymal stromal cells; Adipose tissue-derived Stem/ Stromal Cells (ASC’S); respiratory tract fistulas; post cancer head and neck fistulas; lipoaspirate from 1960-2020 till date . We found a total of 175 articles out of which we selected 110 articles for this review. No meta-analysis was done. With minimal clinical experience maximum of which comes from case reports as well as case studies, a total concluding proof is still not there. But definitely it is a gradually evolving field with more experience gained, grafting of adipose tissue obtained stem/stromal cells might turn out to me the least invasive as well as more conservative therapy alternative towards the more mutilating damaging extensive surgeries. The safety as well as tolerance observed in earlier studies might aid in strategizing as well as designing larger designs in future which might utilize novel methods with regards to tissue processing along with utilization of scaffolds as well as awa 3D printing in the longer plans for enhancing the clinical results.
12 Longitudinal Assessment of FEV1 Change Following Autologous Cellular Therapy , Melissa M Rubio1*
Objective: Current pharmacologic management of Chronic Obstructive Pulmonary Disease (COPD) is aimed at improving symptoms and preventing exacerbations, yet none can alter the natural progression of lung function decline typical of the disease. Autologous-derived PRP-PC may prevent lung function decline and improve quality of life. Methods: 281 patients with COPD underwent autologous cellular therapy with PRP-PC. Baseline lung function and quality of life data were collected and re-assessed after 3 months and after at least 12 months and compared to baseline. Results: Participants undergoing autologous cellular therapy with PRP-PC had a and clinically significant increase in lung function after both 3 months and after at least one year with along with a significant improvement in subjective quality of life from baseline. Compared with findings in the literature that FEV1 typically declines over time, participants in this study had a significant increase in lung function on average. Conclusion: Innovative treatments such as autologous cellular therapy can be a safe, effective option for preventing lung function decline over time. These therapies should be an option for patients where pharmacologic management has failed, or as an adjunct treatment.
13 Telomerase Positive Totipotent Stem Cells and Pluripotent Stem Cells in the Adult Brain I. Cerebral Cortex , Henry E Young1-3*, Frank Lochner1,4
Previous isolation studies noted the presence of native undifferentiated telomerase positive stem cells within the brains of adult rats. Further segregation of the cells from the brain isolates demonstrated the presence of telomerase positive totipotent stem cells and pluripotent stem cells within the cell isolates. Characterization studies of their differentiation potential noted that both the telomerase positive totipotent stem cells and pluripotent stem cells would form neurons, ganglion cells and glial cells, as well as cells from surface ectoderm, mesodermal and endodermal embryonic germ layer lineages. Since reports from other groups noted the presence of neural stem cells within the subventricular zone of the lateral ventricles and the dentate gyrus of the hippocampus, we wanted to ascertain the locations of these native telomerase positive totipotent stem cells and pluripotent stem cells within various regions of the adult brain. The brains from adult rats were examined. Adult rats were euthanized following the guidelines of Mercer University School of Medicine’s IACUC. The rats were perfused with ELICA fixative, the brains harvested, frozen, cryosectioned and stained with antibodies diagnostic for the endogenous totipotent stem cells, i.e., carcinoembryonic antigen-cell adhesion moleculae-1 (CEA-CAM-1) and pluripotent stem cells, i.e., stage-specific embryonic antigen-4 (SSEA-4). Both CEA-CAM-1 and SSEA-4 positive stem cells were located within the gray matter of the cerebral cortex, whereas SSEA-4 positive cells were also located in the white matter. These results suggest that the totipotent stem cells and pluripotent stem cells are a resident population of stem cells within the cerebral cortex of the adult brain. Studies are ongoing to address their functional significance in the brain.
14 The Jounced Entrails-Intestine in COVID-19 , Anubha Bajaj1*
Coronavirus disease 2019 (COVID-19), initiated by contemporary coronavirus is a pandemic which engenders severe respiratory disease. SARS-CoV-2 preponderantly transmits through airborne particles and mammoth respiratory droplets additionally, gastrointestinal symptoms are manifested as anorexia, diarrhoea, vomiting, nausea, abdominal pain, hepatic involvement and gastrointestinal haemorrhage. SARS-CoV-2 employs receptors for Transmembrane Protease Serine 2 (TMRPSS2) in order to infect cells in order to engender modifications of Angiotensin Converting Enzyme II (ACE2) within the gut which enhances probability of intestinal inflammation and diarrhoea. Comorbidities such as asthma, hypertension, smoking, Alzheimer’s disease, dementia or disease occurrence in male subjects are associated with disease severity, concurrent complications and mortality in COVID-19.
15 Platelet Rich Plasma- Platelet Concentrate Therapy in COPD: An Observational Cohort Study , Melissa M Rubio1*
Objective: Current management of Chronic Obstructive Pulmonary Disease (COPD) is aimed at improving symptoms and preventing exacerbations, yet those treatments cannot alter the natural progression of lung function decline over time.  Autologous cellular therapy with PRP-PC may help prevent decline and improve quality of life among these patients. Methods: 419 participants with COPD enrolled in this study underwent autologous cellular therapy with PRP-PC and outcomes measures assessed over the course of a year. Lung function with spirometry and breathing-related quality of life was assessed on all patients at baseline.  Quality of life was re-assessed on all participants after 3, 6 and 12 months by phone and 150 participants returned for repeat spirometry after 3 months. Safety monitoring was done on all participants during the study. Results: Participants with COPD, undergoing autologous cellular therapy with PRP-PC, had a statistically significant increase in FEV1% predicted at 3 months post-treatment. In addition, they had a statistically and clinically significant increase in subjective quality of life at 3-, 6-months and 12 months post-treatment.  Adverse events were rare and minor and largely related to the process of drawing blood. Conclusion: Advanced treatments such as autologous cellular therapy with PRP-PC can be a safe, effective option for helping to mitigate the natural progression of COPD.  This study and others published in the literature have found significant improvements in pulmonary function and quality of life when autologous PRP-PC is used. Current pharmacologic therapies are aimed at relieving symptoms and preventing acute exacerbations, but cellular therapy may alter the progressive decline of chronic lung disease over time. Cellular therapies should be considered as a safe, valuable, potential therapy for these patients. An additional comparative, randomized, double blind study comparing this PRP-PC protocol plus standard of care versus standard of care alone is being planned.
16 Expression of Neuron Specific Neuronal Nuclei Protein (NeuNNP) by AAV2 Shows Diagnosis Ability in Spinal Cord Injury Using Neural Stem Cells , Prithiv Kumar KR1,2*, Albert Alukkal3,4
Fibroblast Growth Factor (FGF) shows promising therapy for Spinal Cord Injury (SCI). Neural stem transplantation has been on the role implementing tactics to repair SCI. Considering the hostile hypoxia condition in SCI, Adeno Associated Virus 2 (AAV2) a prototype to AAV is being used for most trials. Basic FGF gene was used in that hostile environment, results showed improved functional recovery in SCI. The regulation of this gene FGF is transduce to yield AAV2-5HRE-bFGF. The improved scores on inclined plane test of BBB (Basso-Bettie- Bresnahan) scale and footprint analysis of functional recovery when compared with vehicle control of AAV2 treatment showed inclination in NeuNNP, neuromodelin GAP43 and neurofilament NF200 and declination in Glial Fibrillary Acidic Protein (GFAP). Other expressions such as LC3-II and Beclin 1 and autophagy-associated proteins all show decline, P62 protein is the oynone that has increased in AAV2 treatment group. This is the key to future treatments of the expression in SCI.
17 A Porcine Model for Repair of Long Bone Non-Union Defects Using Three-Dimensionally Printed Scaffolds , Derek J Milner1†, Sierra A Long1†, Colleen L Flanagan2, Scott J Hollister3, Robert Gurtler1,4, Robert Bane1,4, Jerrad Zimmerman1,4, Jo Ann Cameron1, Santiago D Gutierrez-Nibeyro1, Matthew B Wheeler1*
Background: Approximately 5-10% of bone injuries in the United States result in non-union, costing an estimated $10.4-26.1 billion annually for treatment. While several orthopedic strategies to address non-unions in long bones are available, all have drawbacks and risks of complications. A possible alternative is the recent advances in tissue engineering treatments that are improvements over current treatment options. Methods and Findings: We have developed a porcine long bone segmental defect model for testing osseous non-union repair using 3D-printed biodegradable scaffolds. We generated a 3.5 cm mid-diaphyseal defect in the right radius of a six-month-old pig. A Polycaprolactone (PCL) scaffold implant designed from radius Computed Tomography (CT) scans and produced using solid form fabrication was implanted into the defect and stabilized with a stainless-steel plate.  The animal could stand and place weight on the limb at six hours post-surgery and ambulating without a noticeable limp by four weeks. CT imaging post-surgery show bone fill in the defect space by two weeks, significant defect closure by eight weeks and complete union by 24 weeks. This healing has taken place on a PCL scaffold with no other treatments in conjunction with the implant. Conclusion: The porcine radius segmental defect model provides a viable platform for testing printed scaffolds and bioengineered composite scaffold constructs for the efficacy of healing segmental defects and other forms of non-union in long bones.
18 Unprecedented Year Story to Success , Prof. Laila M Montaser1*
I was thinking of finding what I would discuss in a 2 page new Editorial as I have several matters to say and then destiny made it easy by suddenly receiving three invitations to be nominated for three global awards. So, I have emphasized to write this paper highlighting the story from the start behind these invitations. This is the most recent upshot presage of success I gained after a one year journey from the fighting of COVID-19 pandemic by my unmatched notion to warfare the virus during the world shutdown and staying at home by acting from my home desk [1]. The three global awards are: two from an esteemed American Global Association for the Advancement of Science; the first one honor scientists whose exemplary actions have demonstrated scientific responsibility in challenging circumstances, while the second awards scientists whose ideal work have proved advancement of science. The announcement about the third prize I received was from an Italian respected World Academy of Science will be awarded in recognition of scientists who have made significant contributions to popularize science and have developed new strategies that serve the popularization of science and technology in developing countries. Thanks to awards organizers for selecting and inviting me to nominate for these honorable prizes in this particular time which indicate their awareness and following my continuous efforts in offering significant and innovative contributions to popularize science, development of scientific thought, to the application of science and technology to industry and to human well-being, doing to save the public health integrity and wellbeing of people and presenting an exceptionally model in holding out the duties of scientists in braving situations as happened during COVID-19 crisis.
19 Jejunal Atresia with Hirschsprung’s Disease: A Case Report , Michinobu Ohno1*, Miwako Nakano1, Endo Masao1, Fumiko Yoshida1, Rie Irie1
A rare case of congenital intestinal atresia associated with Hirschsprung disease was?reported. A 0-day-old boy who was diagnosed to have intestinal atresia and he underwent intestinal anastomosis. The movement of the intestinal tract was slow after surgery. The abdominal distension is getting stronger. The radiograph and contrast enema revealed the possibility of Hirschsprung disease. The biopsy of rectum also revealed aganglionosis. Transverse colostomy was performed on the 145th days after surgery of ileal atresia. The radical surgery for laparotomy-assisted trans anal pull-through technique was performed on the 376th days after first surgery. Discussion was made as to its pathogenesis and timing of surgery.
20 After Effects of COVID-19 and Repair of Lungs , Prithiv Kumar KR1*
Lung disease is the most effected organ in patients. Corona (CoV) targets the lungs and causes death of millions of patients across the globe. There has been increasing burden in lung associated disease due to the pandemic. CoV is a deadly pandemic that cause respiratory problems and affects trachea of lungs. CoV which enters the respiratory system, where enzyme is present, and destroy the respiratory organ, causing patients to face difficulty in breathing. There are two steps basically for virus to infect lungs. First pathogenesis converting enzyme to its protein, second cellular protease letting virus through respiratory system. The spike activates into membrane and releases the virus RNA. The present target for the virus is to infect the lungs, while T and B lymphocytes is always negative in ACE2. So proposed solution is stem cell treatment. The release of cytokines S1, S2 and RBD results in edena dysfunction of acute respiratory collapse and cardiac arrest.
21 Adipose-Derived Stem Migration in the Vascular System after Transplantation and the Potential Colonization of Ectopic Sites in Swine , Shanna M Wilson1, Michael S Goldwasser1, Sherrie G Clark1, Elisa Monaco1, Sandra Rodriguez-Zas1, Walter L Hurley1, Matthew B Wheeler1*
Background: Adipose-derived Stem Cells (ASC) are obtained from adipose tissue. They can be harvested by liposuction under local anesthesia, making these cells particularly desirable for use in tissue engineering or cell transplantation. However, little is known about the in-vivo characteristics of these cells post-transplantation. Methods and Findings: Here we evaluate the potential of ASC to migrate systemically and the potential for accumulation and colonization in ectopic tissues in a pig model. ASC injected via ear vein can travel through the entire vasculature of the pig within 60 seconds and the cells continue to be present in the bloodstream for at least 1-hour post- transplantation. However, labeled cells were not present in the bloodstream at 2 or 4 weeks after ASC injection. The injected ASC appear to travel to areas of induced trauma and are not observed in filtering tissues of the body such as the spleen, liver, lung and liver. Conclusion: These findings suggest that systemic administration of ASC could be a successful method of cell transplantation for tissue regeneration.