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1.
Midwifery ; 122: 103700, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-37099827

RESUMO

OBJECTIVE: The purpose of this phenomenological study is to understand mothers' lived pregnancy experiences during the COVID-19 pandemic. DESIGN: A qualitative, phenomenological study SETTING: Participants completed the demographic survey online and semi-structured interviews, via video conferencing between November and December 2021 PARTICIPANTS: A sample of 28 mothers who were pregnant during the COVID-19 pandemic participated in the study. METHODS AND RESULTS: An inductive, thematic approach was used to analyze the data. Two central themes and eight subthemes emerged from the six-phase thematic analysis. The first central theme, Depth of Knowledge About COVID-19, included the following subthemes: 1) Vaccines and 2) Uncertainty for Exposure. The second central theme, Impacts of COVID-19, had six subthemes: 1) Types of Support Received, 2) COVID-19 Restrictions, 3) Childcare, 4) Mental Health, 5) Spending More Time at Home, and 6) Isolation. CONCLUSIONS: Findings of this study revealed mothers experienced a significant amount of stress and anxiety related to the coronavirus pandemic during their pregnancy. IMPLICATIONS FOR PRACTICE: Our findings highlight the need to provide pregnant mothers comprehensive care, including mental health services, adequate access to social support, and providing clear information regarding COVID-19 vaccination and its impacts on pregnancy.


Assuntos
COVID-19 , Mães , Feminino , Gravidez , Humanos , Estados Unidos , Mães/psicologia , Pandemias , Vacinas contra COVID-19 , Ansiedade/etiologia , Medo , Pesquisa Qualitativa
2.
Acc Chem Res ; 54(10): 2377-2385, 2021 05 18.
Artigo em Inglês | MEDLINE | ID: mdl-33881843

RESUMO

Antibiotic resistance (AMR) is an increasing public health crisis worldwide. This threatens our ability to adequately care for patients with infections due to multi-drug-resistant (MDR) pathogens. As such, there is an urgent need to develop new classes of antimicrobials that are not based on currently utilized antibiotic scaffolds. One promising avenue of antimicrobial research that deserves renewed examination involves the use of peptides. Although antimicrobial peptides (AMPs) have been studied for a number of years, innovations in peptide design and their applications are increasingly making this approach a viable alternative to traditional small-molecule antibiotics. This review will provide updates on two ways in which peptides are being explored as antibiotics. The first topic will focus on novel types of peptides and conjugation methods that are being exploited to act as antibiotics themselves. These direct-acting modified peptides could serve as potentially useful drugs while mitigating many of the known liabilities of AMPs. The second topic relates to the use of peptides as delivery vehicles for other active compounds with antimicrobial activity. Cell-penetrating peptides (CPPs) are peptides designed to carry compounds across cell membranes and are a promising method for delivering a variety of antimicrobial compounds. When conjugated to other compounds, CPPs have been shown to be effective at increasing the uptake of both small- and large-molecular-weight compounds. This includes conjugation to antisense molecules and traditional antibiotics, resulting in increased effectiveness of these antimicrobials. One particular approach utilizes CPPs conjugated to phosphorodiamidate morpholino oligomers (PMOs). PMOs are designed to target particular pathogens in a gene-specific way. They target mRNA and block protein translation. Peptide-conjugated PMOs (PPMOs) allow for efficient delivery into the Gram-negative cytoplasm, and recent updates to their in vitro and in vivo activity are reviewed. This includes recent data to suggest that PPMOs maintain activity in the setting of multi-drug-resistant (MDR) strains, an important finding as it relates to the further development of this therapeutic approach. Other topics include the ability to have activity in the biofilm setting, a finding that likely relates to the peptide portion of the conjugate. Finally, what is known and anticipated related to the development of resistance to these peptides will be discussed.


Assuntos
Antibacterianos/farmacologia , Bactérias/efeitos dos fármacos , Peptídeos Penetradores de Células/farmacologia , Sistemas de Liberação de Medicamentos , Desenho de Fármacos , Antibacterianos/síntese química , Antibacterianos/química , Peptídeos Penetradores de Células/síntese química , Peptídeos Penetradores de Células/química , Farmacorresistência Bacteriana Múltipla/efeitos dos fármacos
3.
Altern Ther Health Med ; 27(4): 24-27, 2021 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-32619202

RESUMO

CONTEXT: With the rise of antibiotic resistance, new strategies are needed to treat minor bacterial infections so that conventional antibiotics may be reserved for more serious conditions. One herbal formula, known as the HMPE formula, is often prescribed for minor infections. It includes Hydrastis canadensis (H. canadensis), Commiphora habessinica (C. habessinica), Phytolacca americana (P. americana), and Echinacea purpurea (E. purpurea). These herbs offer promise as treatments that may inhibit bacterial growth and stimulate the immune system. OBJECTIVE: To investigate the antibacterial effects of the HMPE formula and its constituent herbs against two organisms, Staphylococcus epidermidis and Escherichia coli. DESIGN: The research team performed an in-vitro study. SETTING: The study occurred at the Helfgott Research Institute at the National University of Natural Medicine in Portland, OR, USA. INTERVENTION: The study tested HMPE and each of its ingredients alone for antibacterial properties. OUTCOME MEASURES: The outcome measure was a disc diffusion assay. Sterile paper discs were impregnated with 15 µl of E. purpurea, H. canadensis, C. habessinica , or P. americana as herbal tinctures; with the complete HMPE formula; or with 65% ethanol as the negative control, and dried at room temperature for 40 minutes. Commercially prepared 10 µg ampicillin discs were used as a positive control. RESULTS: H. Canadensis and, to a lesser extent, the complete HMPE formula significantly inhibited the growth of the gram-positive bacteria Staphylococcus epidermidis, but not the gram-negative bacteria Escherichia coli. C. habessinica, P. americana, and E. purpurea alone did not inhibit growth of either bacterial strain. CONCLUSIONS: The results demonstrated that H. canadensis had antibacterial activity against S. epidermidis, but the HMPE formula was not active against S. epidermidis, when a zone of inhibition threshold of 12 millimeters (mm) was used to determine antibiotic activity. Because the HMPE formula was shown to be less effective than H. canadensis alone, the formula might benefit from an increased percentage of H. canadensis.


Assuntos
Echinacea , Hydrastis , Phytolacca americana , Antibacterianos/farmacologia , Commiphora , Humanos , Extratos Vegetais/farmacologia
4.
Med Sci Educ ; 25(2): 171-175, 2015 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-26500806

RESUMO

Training in fundamental laboratory methodologies is valuable to medical students because it enables them to understand the published literature, critically evaluate clinical studies, and make informed decisions regarding patient care. It also prepares them for research opportunities that may complement their medical practice. The National College of Natural Medicine's (NCNM) Master of Science in Integrative Medicine Research (MSiMR) program has developed an Introduction to Laboratory Methods course. The objective of the course it to train clinical students how to perform basic laboratory skills, analyze and manage data, and judiciously assess biomedical studies. Here we describe the course development and implementation as it applies to complementary and integrative medicine students.

5.
J Altern Complement Med ; 21(5): 288-93, 2015 May.
Artigo em Inglês | MEDLINE | ID: mdl-25893960

RESUMO

OBJECTIVES: Elevated blood cholesterol levels are a major risk factor for coronary artery disease, the leading cause of death worldwide. Probiotics have been investigated as potential cholesterol-lowering therapies, but no previous studies have assessed the effect of the probiotic yeast Saccharomyces boulardii on cholesterol levels in human volunteers. The objective of this study was to examine the effect of S. boulardii on serum cholesterol and lipoprotein particles in hypercholesterolemic adults. DESIGN: This study was a single-arm, open-label pilot study. SUBJECTS: Twelve hypercholesterolemic participants were recruited into the study; one dropped out. INTERVENTION: Participants took 5.6×10(10) colony forming unit (CFU) encapsulated S. boulardii (Saccharomyces cerevisiae var. boulardii CNCM I-1079) twice daily for an 8-week period. OUTCOME MEASURES: Fasting concentrations of cholesterol (total cholesterol, low-density lipoprotein-cholesterol [LDL-C], high-density lipoprotein-cholesterol [HDL-C], and triglycerides), lipoprotein particles (very-low-density lipoprotein-particle [VLDL-P], remnant lipoprotein particle [RLP-P], total LDL-P, LDL III-P, LDL IV-P, total HDL-P, and HDL 2b-P), and additional cardiovascular biomarkers (apo B-100, lipoprotein [a], high-sensitivity C-reactive protein, homocysteine, fibrinogen, and insulin) were measured at baseline, after 4 weeks, and after 8 weeks. RESULTS: Remnant lipoprotein particles decreased by 15.5% (p=0.03) over the 8-week period. The remaining outcome measures were not significantly altered. CONCLUSIONS: In this pilot study, 8 weeks of daily supplementation with S. boulardii lowered remnant lipoprotein, a predictive biomarker and potential therapeutic target in the treatment and prevention of coronary artery disease.


Assuntos
Colesterol/sangue , Hipercolesterolemia/sangue , Hipercolesterolemia/dietoterapia , Probióticos/administração & dosagem , Saccharomyces , Adulto , Idoso , Biomarcadores/sangue , Índice de Massa Corporal , Feminino , Humanos , Estilo de Vida , Lipoproteínas/sangue , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Adulto Jovem
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